/* =============================================
   DESIGN SYSTEM — AGNALDO AUGUSTO PORTFÓLIO
   Cinematic Precision — 2025/2026
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif:ital,wght@0,400;0,500;0,600;0,700;0,900;1,400;1,500;1,600;1,700&display=swap');

/* --- Tokens --- */
:root {
  --clr-bg: #0B0E14;
  --clr-surface: #1a212c;
  --clr-surface-2: #222933;
  --clr-accent: #A32D32;
  --clr-accent-2: #7A2226;
  --clr-accent-glow: rgba(163, 45, 50, 0.15);
  --clr-text: #CBD1B6;
  --clr-muted: #A39B8B;
  --clr-border: #2c3542;

  --ff-display: 'Noto Serif', Georgia, serif;
  --ff-heading: 'Noto Serif', Georgia, serif;
  --ff-body: 'Noto Serif', Georgia, serif;
  --ff-mono: 'Noto Serif', Georgia, serif;

  --fs-hero: clamp(3.75rem, 5vw, 4.25rem);
  --fs-h2: clamp(1.8rem, 4vw, 3rem);
  --fs-h3: clamp(1.1rem, 2.5vw, 1.5rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 7rem;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-card: 0 4px 32px rgba(0, 0, 0, 0.5);
  --nav-height: 64px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--ff-body);
  font-size: var(--fs-body);
  color: var(--clr-text);
  background-color: var(--clr-bg);
  line-height: 1.7;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* =============================================
   NOISE TEXTURE OVERLAY — sutil
   ============================================= */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.12;
}

/* =============================================
   TYPOGRAPHY
   ============================================= */
h1 { font-family: var(--ff-display); font-size: var(--fs-hero); font-weight: 600; line-height: 1.1; }
h2 { font-family: var(--ff-heading); font-size: var(--fs-h2); font-weight: 700; line-height: 1.15; }
h3 { font-family: var(--ff-heading); font-size: var(--fs-h3); font-weight: 700; line-height: 1.2; }
h4 { font-family: var(--ff-heading); font-weight: 600; line-height: 1.3; }
p { color: var(--clr-muted); line-height: 1.8; }
.mono { font-family: var(--ff-mono); }

.accent { color: var(--clr-accent); }
.section-label {
  display: inline-block;
  font-family: var(--ff-body);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: var(--space-sm);
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: 100px;
  font-family: var(--ff-body);
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  min-height: 52px; /* touch target */
  cursor: pointer;
}
.btn-primary {
  background: var(--clr-accent);
  color: #CBD1B6;
}
.btn-ghost {
  background: transparent;
  color: var(--clr-text);
  border: 1px solid rgba(203, 209, 182, 0.45);
}
@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover {
    background: #B8353A;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(163, 45, 50, 0.35);
  }
  .btn-ghost:hover {
    border-color: var(--clr-accent);
    color: var(--clr-accent);
    transform: translateY(-2px);
  }
}
.btn-primary:active, .btn-primary.tapped { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(163,45,50,0.35); background: #B8353A; }
.btn-ghost:active, .btn-ghost.tapped     { transform: translateY(-2px); border-color: var(--clr-accent); color: var(--clr-accent); }
.btn-arrow::after { content: '→'; }

/* =============================================
   LAYOUT HELPERS
   ============================================= */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: var(--space-md);
}
.section-pad {
  padding-block: var(--space-xl);
}

/* =============================================
   GHOST BUTTON — INVISIBLE ROAMING HOTSPOT
   ============================================= */
#ghost-btn {
  position: absolute;
  width: 96px;
  height: 96px;
  background: transparent;
  border: 0;
  padding: 0;
  margin: 0;
  z-index: 50; /* above section content, below nav (1000) */
  pointer-events: auto;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}
#ghost-btn:focus { outline: none; }

/* Tooltip — posição definida por .ghost-tip--* (JS); formato horizontal */
#ghost-btn::after {
  content: 'Parece que você encontrou algo… \A clique para ver mais.';
  white-space: pre-line;
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: max-content;
  max-width: min(220px, 88vw);
  min-width: 160px;
  padding: 8px 10px;
  border-radius: 8px;
  color: rgba(18, 18, 18, 0.92);
  font-family: var(--ff-body);
  font-size: 0.76rem;
  line-height: 1.4;
  text-align: left;
  letter-spacing: 0.005em;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow:
    0 18px 44px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(163, 45, 50, 0.16);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 60;
  transition:
    opacity 220ms ease,
    transform 320ms cubic-bezier(0.23, 1, 0.32, 1);
}

/* Default: acima, centralizado (até o JS aplicar outra classe) */
#ghost-btn.ghost-tip--above::after {
  left: 50%;
  bottom: calc(100% + 14px);
  top: auto;
  right: auto;
  transform: translateX(calc(-50% + var(--ghost-tip-shift-x, 0px)))
             translateY(calc(6px + var(--ghost-tip-shift-y, 0px)));
}
#ghost-btn.ghost-tip--below::after {
  left: 50%;
  top: calc(100% + 14px);
  bottom: auto;
  right: auto;
  transform: translateX(calc(-50% + var(--ghost-tip-shift-x, 0px)))
             translateY(calc(-6px + var(--ghost-tip-shift-y, 0px)));
}
#ghost-btn.ghost-tip--left::after {
  right: calc(100% + 14px);
  left: auto;
  top: 50%;
  bottom: auto;
  transform: translateY(calc(-50% + var(--ghost-tip-shift-y, 0px)))
             translateX(calc(6px + var(--ghost-tip-shift-x, 0px)));
}
#ghost-btn.ghost-tip--right::after {
  left: calc(100% + 14px);
  right: auto;
  top: 50%;
  bottom: auto;
  transform: translateY(calc(-50% + var(--ghost-tip-shift-y, 0px)))
             translateX(calc(-6px + var(--ghost-tip-shift-x, 0px)));
}

#ghost-btn:hover::after,
#ghost-btn:focus-visible::after {
  opacity: 1;
}
#ghost-btn.ghost-tip--above:hover::after,
#ghost-btn.ghost-tip--above:focus-visible::after {
  transform: translateX(calc(-50% + var(--ghost-tip-shift-x, 0px)))
             translateY(var(--ghost-tip-shift-y, 0px));
}
#ghost-btn.ghost-tip--below:hover::after,
#ghost-btn.ghost-tip--below:focus-visible::after {
  transform: translateX(calc(-50% + var(--ghost-tip-shift-x, 0px)))
             translateY(var(--ghost-tip-shift-y, 0px));
}
#ghost-btn.ghost-tip--left:hover::after,
#ghost-btn.ghost-tip--left:focus-visible::after {
  transform: translateY(calc(-50% + var(--ghost-tip-shift-y, 0px)))
             translateX(var(--ghost-tip-shift-x, 0px));
}
#ghost-btn.ghost-tip--right:hover::after,
#ghost-btn.ghost-tip--right:focus-visible::after {
  transform: translateY(calc(-50% + var(--ghost-tip-shift-y, 0px)))
             translateX(var(--ghost-tip-shift-x, 0px));
}

/* Ghost button: desktop-only (hide on touch and narrow layouts) */
@media (hover: none), (max-width: 900px) {
  #ghost-btn { display: none !important; }
}

/* =============================================
   NAV — STICKY
   ============================================= */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: box-shadow var(--transition);
}
.nav::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: transparent;
  transition: background var(--transition);
}
.nav.scrolled {
  box-shadow: 0 1px 0 var(--clr-border);
}
.nav.scrolled::before {
  background: rgba(11, 14, 20, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.nav.menu-open::before {
  background: rgb(11, 14, 20);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  opacity: 1;
}
.nav__logo {
  font-family: var(--ff-display);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--clr-text);
}
.nav__logo span { color: var(--clr-accent); }
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-left: auto;
}
.nav__links li a {
  font-size: var(--fs-small);
  font-weight: 400;
  color: var(--clr-muted);
  transition: color var(--transition);
  letter-spacing: 0.03em;
}
.nav__links li a:hover { color: var(--clr-text); }
.nav__cta {
  margin-left: var(--space-sm);
  position: relative;
  z-index: 1;
  isolation: isolate;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}
.nav__links li a.nav__cta {
  color: #CBD1B6;
  font-weight: 500;
}
.nav__social-section { display: none; }

.nav__menu-btn {
  display: none;
  font-size: 1.5rem;
  color: var(--clr-text);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  min-width: 44px;
  min-height: 44px;
}

/* Mobile Nav */
@media (max-width: 768px) {
  .nav__menu-btn { display: flex; align-items: center; justify-content: center; }

  /* Keep logo + hamburger ABOVE the slide-in panel (nav creates stacking context) */
  .nav__logo { position: relative; z-index: 1000; }
  .nav__menu-btn { position: relative; z-index: 1000; }

  .nav__links {
    position: fixed;
    top: var(--nav-height);
    right: -100%;
    bottom: 0;
    width: 78%;
    max-width: 320px;
    background:
      linear-gradient(to bottom, transparent 55%, rgba(0,0,0,0.65) 100%),
      rgb(11, 14, 20);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 0;
    padding: 2rem 1.75rem 1.5rem;
    transition: right var(--transition);
    box-shadow: -4px 0 32px rgba(0,0,0,0.5);
    overflow-y: auto;
    z-index: 999;
  }
  .nav__links.open { right: 0; }

  /* Nav link items */
  .nav__links > li { width: 100%; }
  .nav__links li a:not(.nav__cta) {
    display: block;
    padding: 1rem 0;
    font-family: var(--ff-heading);
    font-size: 1rem;
    font-weight: 500;
    color: var(--clr-muted);
    border-bottom: 1px solid var(--clr-border);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    transition: color var(--transition), padding-left var(--transition);
  }
  .nav__links li a:not(.nav__cta):hover { color: var(--clr-text); padding-left: 0.5rem; }

  .nav__overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    z-index: 998;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
  }
  .nav__overlay.open { display: block; }
  .nav { z-index: 999; }

  /* Nav CTA inside mobile drawer */
  .nav__links li a.nav__cta {
    background: var(--clr-accent);
    color: #CBD1B6;
    padding: 0.65rem 1.5rem;
    border-radius: 100px;
    display: inline-block;
    font-size: 0.95rem;
    font-family: var(--ff-body);
    font-weight: 500;
    text-transform: none;
    letter-spacing: normal;
    border-bottom: none;
    margin-top: 1.75rem;
  }

  /* Social section — pinned to bottom of sidebar */
  .nav__social-section {
    display: block;
    margin-top: auto;
    flex-shrink: 0;
    width: 100%;
    padding-top: 1.25rem;
    padding-bottom: 1.5rem;
    border-top: 1px solid var(--clr-border);
  }
  .nav__social-icons {
    display: flex;
    gap: 0.6rem;
    align-items: center;
  }
  .nav__social-section .nav__social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    padding: 0;
    font-size: 1.1rem;
    color: var(--clr-muted);
    border: 1px solid var(--clr-border);
    border-radius: 50%;
    transition: color var(--transition), border-color var(--transition), background var(--transition);
  }
  .nav__social-section .nav__social-icons a:hover {
    color: var(--clr-accent);
    border-color: var(--clr-accent);
    background: var(--clr-accent-glow);
  }
}

/* =============================================
   MOBILE — NEW IMPLEMENTATIONS
   ============================================= */
@media (max-width: 768px) {
  /* Disable 3D tilt on project cards — no hover on touch */
  .project-card {
    transform-style: flat;
    will-change: auto;
  }
  .project-card__body {
    transform: none;
  }
  .pc-glare { display: none; }

  /* Reduce heavy backdrop-filter blur for mobile performance */
  .service__card {
    backdrop-filter: blur(12px) saturate(130%);
    -webkit-backdrop-filter: blur(12px) saturate(130%);
  }
  .proof,
  .projects,
  .contact {
    backdrop-filter: blur(14px) saturate(135%) brightness(1.03);
    -webkit-backdrop-filter: blur(14px) saturate(135%) brightness(1.03);
  }
  .madlibs-form {
    backdrop-filter: blur(12px) saturate(130%);
    -webkit-backdrop-filter: blur(12px) saturate(130%);
  }

  /* Shorten bottom gradient so it doesn't overwhelm short sections */
  .proof::after,
  .projects::after,
  .contact::after {
    height: 30%;
  }

  /* Hero — h1 font size on mobile */
  h1 { font-size: clamp(2.3rem, 8vw, 3.1rem); }
  .hero__line { font-size: 7.8vw; white-space: nowrap; }
  .hero__line:nth-child(2) { font-size: 9.5vw; }
  .hero__line:nth-child(3) { font-size: 9vw; }
  .hero__line:nth-child(4) { font-size: 12vw; }
  .hero { padding-top: var(--nav-height, 64px); }
  .hero__sub { font-size: 0.95rem; }

  /* Reveal — smaller offset so overflow:hidden never clips translated elements */
  [data-reveal] { transform: translateY(18px); }

  /* Skill tags — ensure they wrap cleanly */
  .about__skills { gap: 0.4rem; }
  .skill-tag { font-size: 0.72rem; padding: 0.3rem 0.7rem; }

  /* Contact section — reduce section padding + element spacing */
  .contact.section-pad { padding-block: var(--space-lg); }
  .contact__avatar { margin-bottom: 0.4rem; }
  .contact__avatar-caption { margin-bottom: 0.25rem; }
  .contact__inner h2 { margin-bottom: 0.5rem; }

  /* Contact section — stack columns on mobile */
  .contact__inner {
    grid-template-columns: 1fr;
    max-width: 100%;
  }
  /* Form card edge-to-edge; padding only on copy + alt bar */
  .contact > .container {
    padding-inline: 0;
  }
  .contact__info,
  .contact__alt {
    padding-inline: var(--space-sm);
  }
  .madlibs-form {
    border-radius: var(--radius-md);
    padding: 1.25rem 0;
  }
  #contact-form { padding: 0.75rem 1.25rem; }
  .madlibs-form .madlibs-line { font-size: 0.75rem; line-height: 1.65; }
  .madlibs-input { min-width: 70px; }
  .madlibs-input.wide { min-width: 120px; }
  .madlibs-input.medium { min-width: 85px; }
  .madlibs-input.short { min-width: 60px; }
}

/* =============================================
   NAV LINK HOVER — desktop only
   ============================================= */
@media (hover: hover) and (pointer: fine) {
  .nav__links li a:hover { color: var(--clr-text); }
}

@media (max-width: 480px) {
  /* Extra-small screens */
  .madlibs-form .madlibs-line { font-size: 0.7rem; line-height: 1.6; }
  #contact-form { padding: 0.5rem 0.9rem; }
  .madlibs-input { min-width: 58px; padding: 0.1em 0.25em; }
  .madlibs-input.wide { min-width: 100px; }
  .madlibs-input.medium { min-width: 72px; }
  .madlibs-input.short { min-width: 50px; }
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
  overflow: hidden;
}
/* CAD Grid texture overlay */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(203,209,182,0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(203,209,182,0.09) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
}
@media (max-width: 768px) {
  .hero::after { background-size: 11.11vw 11.11vw; }
}
.hero__content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin-inline: auto;
}
.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.hero__eyebrow-line {
  width: 40px;
  height: 1px;
  background: var(--clr-accent);
}
.hero h1 {
  margin-bottom: 1.5rem;
  color: var(--clr-text);
}
.hero__line { display: block; }
.hero h1 em {
  font-style: italic;
  color: var(--clr-accent);
}
.hero__sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--clr-muted);
  max-width: 560px;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}
.hero__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}
.hero__scroll {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: var(--fs-small);
  color: var(--clr-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: scrollBounce 2s ease-in-out infinite;
}
.hero__scroll-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clr-accent);
}
@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(4px); }
}

/* =============================================
   SOCIAL PROOF STRIP
   ============================================= */
.proof {
  padding-block: var(--space-lg);
}
.proof__inner {
  display: grid;
  gap: var(--space-lg);
}
.proof__quote {
  position: relative;
  padding-left: 1.5rem;
}
.proof__quote::before {
  content: '"';
  position: absolute;
  left: 0;
  top: -0.2em;
  font-family: var(--ff-display);
  font-size: 2.4rem;
  color: var(--clr-accent);
  line-height: 1;
}
.proof__quote p {
  font-size: 0.95rem;
  color: var(--clr-text);
  font-style: italic;
  margin-bottom: 0.5rem;
}
.proof__author {
  font-size: 0.8rem;
  color: var(--clr-muted);
}
.proof__logos {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.proof__logo-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--ff-body);
  font-weight: 600;
  font-size: 0.75rem;
  color: var(--clr-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 1px solid var(--clr-border);
  padding: 0.4rem 0.9rem;
  border-radius: 100px;
  transition: border-color var(--transition), color var(--transition);
}
@media (hover: hover) and (pointer: fine) {
  .proof__logo-item:hover {
    border-color: var(--clr-accent-2);
    color: var(--clr-text);
  }
}
.proof__logo-item:active,
.proof__logo-item.tapped {
  border-color: var(--clr-accent-2);
  color: var(--clr-text);
}
.proof__stat {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.proof__stat-number {
  font-family: var(--ff-mono);
  font-size: 2rem;
  font-weight: 500;
  color: var(--clr-accent);
  line-height: 1;
  letter-spacing: -0.02em;
}
.proof__stat-label {
  font-size: 0.8rem;
  color: var(--clr-muted);
}
.proof__stats {
  display: flex;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

@media (min-width: 768px) {
  .proof__inner {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

/* =============================================
   SERVICES
   ============================================= */
.services { 
  background: var(--clr-bg);
  position: relative;
  overflow: hidden;
}
.services::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(203,209,182,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(203,209,182,0.07) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
}
.services__header,
.services__grid {
  position: relative;
  z-index: 1;
}
.services__header {
  margin-bottom: var(--space-lg);
}
.services__grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}
.service__card {
  background:
    linear-gradient(135deg, rgba(255,255,255,0.14) 0%, rgba(255,255,255,0.04) 60%),
    rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(28px) saturate(160%) brightness(1.05);
  -webkit-backdrop-filter: blur(28px) saturate(160%) brightness(1.05);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-md) var(--space-lg);
  transition: background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
  position: relative;
  overflow: hidden;
  box-shadow:
    0 4px 8px rgba(0,0,0,0.30),
    0 18px 48px -6px rgba(0,0,0,0.55),
    inset 0 1px 0 rgba(255,255,255,0.22),
    inset 0 -1px 0 rgba(255,255,255,0.04);
}
/* Glass edge shimmer */
.service__card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(160deg, rgba(255,255,255,0.10) 0%, transparent 45%);
  pointer-events: none;
  z-index: 0;
}
.service__card > * { position: relative; z-index: 1; }
.service__card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-accent-2), var(--clr-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
@media (hover: hover) and (pointer: fine) {
  .service__card:hover {
    background:
      linear-gradient(135deg, rgba(255,255,255,0.32) 0%, rgba(255,255,255,0.10) 55%),
      rgba(255, 255, 255, 0.16);
    backdrop-filter: blur(32px) saturate(200%) brightness(1.28);
    -webkit-backdrop-filter: blur(32px) saturate(200%) brightness(1.28);
    border-color: rgba(255, 255, 255, 0.42);
    transform: translateY(-4px);
    box-shadow:
      0 6px 12px rgba(0,0,0,0.30),
      0 28px 60px -8px rgba(0,0,0,0.70),
      inset 0 1.5px 0 rgba(255,255,255,0.50),
      inset 0 -1px 0 rgba(255,255,255,0.06);
  }
  .service__card:hover::after { transform: scaleX(1); }
}
.service__card:active,
.service__card.tapped {
  background:
    linear-gradient(135deg, rgba(255,255,255,0.32) 0%, rgba(255,255,255,0.10) 55%),
    rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(32px) saturate(200%) brightness(1.28);
  -webkit-backdrop-filter: blur(32px) saturate(200%) brightness(1.28);
  border-color: rgba(255, 255, 255, 0.42);
  transform: translateY(-4px);
  box-shadow:
    0 6px 12px rgba(0,0,0,0.30),
    0 28px 60px -8px rgba(0,0,0,0.70),
    inset 0 1.5px 0 rgba(255,255,255,0.50),
    inset 0 -1px 0 rgba(255,255,255,0.06);
}
.service__card.tapped::after { transform: scaleX(1); }
.service__icon {
  font-size: 2rem;
  color: var(--clr-accent);
  margin-bottom: var(--space-sm);
  filter:
    drop-shadow(0 1px 1px rgba(0, 0, 0, 0.72))
    drop-shadow(0 2px 5px rgba(0, 0, 0, 0.48));
}
.service__card h3 {
  color: var(--clr-text);
  margin-bottom: 0.5rem;
  transition: color var(--transition);
}
.service__card p {
  font-size: var(--fs-small);
  line-height: 1.7;
  transition: color var(--transition);
}
@media (hover: hover) and (pointer: fine) {
  .service__card:hover h3 { color: #ffffff; text-shadow: 0 1px 4px rgba(0,0,0,0.45); }
  .service__card:hover p  { color: rgba(203,209,182,0.82); text-shadow: 0 1px 3px rgba(0,0,0,0.35); }
}
.service__card:active h3,
.service__card.tapped h3 { color: #ffffff; text-shadow: 0 1px 4px rgba(0,0,0,0.45); }
.service__card:active p,
.service__card.tapped p  { color: rgba(203,209,182,0.82); text-shadow: 0 1px 3px rgba(0,0,0,0.35); }

@media (min-width: 640px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .services__grid { grid-template-columns: repeat(3, 1fr); }
}

/* =============================================
   PROJECTS — BENTO GRID
   ============================================= */
.projects__header {
  margin-bottom: var(--space-lg);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.bento-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: 1fr;
}
.project-card {
  background: transparent;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
  transform-style: preserve-3d;
  /* [PERF §2] will-change removed — injected via JS on mouseenter only */
  box-shadow:
    0 4px 8px rgba(0,0,0,0.28),
    0 16px 40px -8px rgba(0,0,0,0.48);
}
@media (hover: hover) and (pointer: fine) {
  .project-card:hover {
    border-color: var(--clr-accent);
    box-shadow: var(--shadow-card);
  }
}
.project-card:active,
.project-card.tapped {
  border-color: var(--clr-accent);
  box-shadow:
    0 8px 16px rgba(0,0,0,0.32),
    0 28px 56px -8px rgba(0,0,0,0.62);
}
.project-card.tapped::before {
  transform: scale(1);
  opacity: 1;
}
.project-card.tapped .project-card__thumb img { transform: scale(1.05); }
/* Technical diagonal line on hover — CAD/sketch aesthetic */
.project-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 32px;
  border-left: 2px solid var(--clr-accent);
  border-bottom: 2px solid var(--clr-accent);
  border-radius: 0 0 0 var(--radius-lg);
  opacity: 0;
  transform: scale(0);
  transform-origin: bottom left;
  /* [PERF §1 Compositor-only] scale + opacity instead of width/height */
  transition: transform 0.4s ease, opacity 0.3s ease;
  z-index: 1;
}
@media (hover: hover) and (pointer: fine) {
  .project-card:hover::before {
    transform: scale(1);
    opacity: 1;
  }
}
.project-card__thumb {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--clr-surface-2);
}
.project-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
@media (hover: hover) and (pointer: fine) {
  .project-card:hover .project-card__thumb img { transform: scale(1.05); }
}
.project-card__body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
  transform: translateZ(30px);
  position: relative;
  background: var(--clr-bg);
  backdrop-filter: blur(14px) saturate(130%);
  -webkit-backdrop-filter: blur(14px) saturate(130%);
  border-top: 1px solid rgba(163, 45, 50, 0.09);
}
.project-card__body::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(203,209,182,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(203,209,182,0.07) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
}
.project-card__body > * {
  position: relative;
  z-index: 1;
}
/* Specular glare injected by JS */
.pc-glare {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    circle at var(--mx, 50%) var(--my, 50%),
    rgba(255,255,255,0.08) 0%,
    transparent 55%
  );
  pointer-events: none;
  z-index: 5;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.project-card__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 0.75rem;
}
.project-card__tag::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clr-accent);
  flex-shrink: 0;
}
.project-card h3 {
  color: var(--clr-text);
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}
.project-card__impact {
  font-size: var(--fs-small);
  color: var(--clr-muted);
  line-height: 1.6;
  flex: 1;
}
.project-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.25rem;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--clr-accent);
  transition: gap var(--transition);
}
.project-card__link:hover { gap: 0.7rem; }

/* Bento layout — desktop colspans */
@media (min-width: 768px) {
  .bento-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto;
  }
  .bento-span-2 { grid-column: span 2; }
  .bento-span-3 { grid-column: span 3; }
  .bento-tall { grid-row: span 2; }
}

/* ── Briefing CTA Card ── */
.briefing-card {
  overflow: hidden;
  cursor: pointer;
}
.briefing-card__inner {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  padding: 2.5rem 2.5rem;
  min-height: 160px;
  position: relative;
  text-decoration: none;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #0B0E14 0%, #12161E 50%, #1a1214 100%);
}
.briefing-card__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 5% 50%, rgba(163, 45, 50, 0.14) 0%, transparent 55%),
    radial-gradient(ellipse at 95% 50%, rgba(11, 14, 20, 0.12) 0%, transparent 55%);
  transition: opacity 0.4s ease;
}
@media (hover: hover) and (pointer: fine) {
  .briefing-card:hover .briefing-card__bg {
    background:
      radial-gradient(ellipse at 5% 50%, rgba(163, 45, 50, 0.26) 0%, transparent 55%),
      radial-gradient(ellipse at 95% 50%, rgba(11, 14, 20, 0.22) 0%, transparent 55%);
  }
}
.briefing-card__bg-icon {
  position: absolute;
  right: 2rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 8rem;
  color: rgba(163, 45, 50, 0.06);
  line-height: 1;
  transition: color 0.4s ease, transform 0.4s ease;
  pointer-events: none;
}
@media (hover: hover) and (pointer: fine) {
  .briefing-card:hover .briefing-card__bg-icon {
    color: rgba(163, 45, 50, 0.12);
    transform: translateY(-50%) scale(1.05) rotate(-5deg);
  }
}
.briefing-card__content {
  flex: 1;
  position: relative;
  z-index: 1;
}
.briefing-card__content h3 {
  font-size: clamp(1.2rem, 2.5vw, 1.75rem);
  color: var(--clr-text);
  margin-bottom: 0.6rem;
  font-weight: 700;
}
.briefing-card__content h3 em {
  color: var(--clr-accent);
  font-style: italic;
}
.briefing-card__content .project-card__impact strong {
  color: var(--clr-accent);
  font-weight: 500;
}
.briefing-card__cta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.75rem;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
@media (max-width: 640px) {
  .briefing-card__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1.75rem;
  }
  .briefing-card__cta { align-items: flex-start; }
  .briefing-card__bg-icon { display: none; }
}

/* Placeholder thumb for projects without real images */
.project-card__thumb--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--clr-border);
}

/* =============================================
   ABOUT / PROCESS STRIP
   ============================================= */
.about { 
  background: var(--clr-bg);
  position: relative;
  overflow: hidden;
}
.about::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(203,209,182,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(203,209,182,0.07) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
}
.about__grid {
  position: relative;
  z-index: 1;
}
.about__grid {
  display: grid;
  gap: var(--space-lg);
  align-items: center;
}
.about__image-wrap {
  position: relative;
}
.about__image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
  background: var(--clr-surface-2);
}
.about__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}
.about__badge {
  position: absolute;
  bottom: -1rem;
  right: -1rem;
  background: var(--clr-accent);
  color: #CBD1B6;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  font-family: var(--ff-display);
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1.2;
  box-shadow: var(--shadow-card);
}
.about__badge span { display: block; font-size: 0.75rem; font-weight: 400; font-family: var(--ff-body); }
.about__text h2 { margin-bottom: 1rem; }
.about__text p { margin-bottom: 1.5rem; }
.about__skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}
.skill-tag {
  font-size: 0.78rem;
  font-weight: 500;
  color: rgba(203, 209, 182, 0.65);
  border: 1px solid rgba(203, 209, 182, 0.45);
  padding: 0.35rem 0.85rem;
  border-radius: 100px;
  transition: border-color var(--transition), color var(--transition);
}
@media (hover: hover) and (pointer: fine) {
  .skill-tag:hover {
    background: rgba(203, 209, 182, 0.08);
    border-color: rgba(203, 209, 182, 0.65);
    color: var(--clr-text);
  }
}
.skill-tag:active,
.skill-tag.tapped {
  background: rgba(203, 209, 182, 0.08);
  border-color: rgba(203, 209, 182, 0.65);
  color: var(--clr-text);
}

@media (min-width: 900px) {
  .about__grid { grid-template-columns: 1fr 1.5fr; }
}

/* =============================================
   CONTACT — MAD LIBS FORM
   ============================================= */
.contact {
  position: relative;
  max-width: 100%;
  overflow-x: clip;
}

/* ── Surface sections: vidro fosco ── */
.proof,
.projects,
.contact,
.cs-particle-section + .footer {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.08) 0%, transparent 46%),
    rgba(26, 33, 44, 0.55);
  backdrop-filter: blur(24px) saturate(150%) brightness(1.05);
  -webkit-backdrop-filter: blur(24px) saturate(150%) brightness(1.05);
  border-top: 1px solid rgba(255, 255, 255, 0.10);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.10),
    inset 0 -1px 0 rgba(0, 0, 0, 0.14);
}
.proof::before,
.projects::before,
.contact::before,
.cs-particle-section + .footer::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0.028;
  pointer-events: none;
  z-index: 0;
}

/* ── Surface sections: bottom fade ── */
.proof::after,
.projects::after,
.contact::after,
.cs-particle-section + .footer::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 50%;
  background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.32));
  pointer-events: none;
  z-index: 0;
}
.proof > .container,
.projects > .container,
.contact > .container,
.cs-particle-section + .footer > .container {
  position: relative;
  z-index: 1;
}
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-lg);
  align-items: center;
  max-width: 1100px;
  margin-inline: auto;
  margin-bottom: var(--space-lg);
  min-width: 0;
}

/* Left info column — hierarchy spacing */
.contact__info {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0; /* controlled per-element below */
}
.contact__info .section-label {
  margin-bottom: 1rem; /* label → título: espaço generoso */
}
.contact__info h2 {
  margin-bottom: 2rem; /* título → avatar: separação clara */
}
.contact__info .contact__avatar {
  margin-bottom: 0.5rem; /* avatar → caption: próximos */
}
.contact__info .contact__avatar-caption {
  margin-bottom: 1.75rem; /* caption → desc: respira um pouco */
}
.contact__desc {
  font-size: var(--fs-small);
  color: var(--clr-muted);
  max-width: 300px;
  text-align: center;
  line-height: 1.65;
  margin: 0;
}

/* Right form column */
.contact__form-col {
  width: 100%;
  min-width: 0;
  max-width: 100%;
}
/* Contact avatar micro-interaction */
.contact__avatar {
  display: inline-block;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 2px solid var(--clr-accent);
  overflow: hidden;
  margin-bottom: 1.5rem;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s ease;
  background: var(--clr-surface-2);
  flex-shrink: 0;
}
.contact__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.contact__avatar-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--clr-accent);
}
.contact__avatar.reacting {
  transform: scale(1.08);
  box-shadow: 0 0 0 4px rgba(163,45,50,0.25);
}
.contact__avatar-caption {
  font-size: 0.75rem;
  color: var(--clr-muted);
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
}
/* Note: avatar/caption margins overridden per-element via .contact__info rules */
.contact__inner h2 { margin-bottom: 1rem; }
.contact.section-pad { padding-block: 5rem; }

/* Responsive: stack vertically on tablet/mobile */
@media (max-width: 900px) {
  .contact__inner {
    grid-template-columns: 1fr;
  }
  .contact__info {
    align-items: center;
    text-align: center;
  }
  /* Card do formulário full-bleed (igual ao mobile em @media 768px) */
  .contact > .container {
    padding-inline: 0;
  }
  .contact__info,
  .contact__alt {
    padding-inline: var(--space-sm);
  }
}
@media (max-width: 768px) {
  .contact__info .contact__avatar { margin-bottom: 0.4rem; }
  .contact__info .contact__avatar-caption { margin-bottom: 1rem; }
  .contact__info h2 { margin-bottom: 1.25rem; }
  .contact.section-pad { padding-block: 3rem; }
}

/* Card do formulário — mesma base e grid que .project-card__body (Portfólio) */
.madlibs-form {
  background: var(--clr-bg);
  backdrop-filter: blur(14px) saturate(130%);
  -webkit-backdrop-filter: blur(14px) saturate(130%);
  border: 1px solid var(--clr-border);
  box-shadow:
    0 4px 8px rgba(0, 0, 0, 0.28),
    0 16px 40px -8px rgba(0, 0, 0, 0.48);
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-sm);
  position: relative;
  overflow: hidden;
  min-width: 0;
  max-width: 100%;
}
.madlibs-form::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(203,209,182,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(203,209,182,0.07) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
}
.madlibs-form > * {
  position: relative;
  z-index: 1;
}
#contact-form {
  padding: 1.5rem 1rem;
  min-width: 0;
  max-width: 100%;
}
.madlibs-form .madlibs-line {
  font-size: clamp(0.875rem, 2vw, 1rem);
  line-height: 1.85;
  color: var(--clr-text);
  text-align: left;
  margin-bottom: 1.4rem;
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: flex-start;
  gap: 0.25rem 0.45rem;
  overflow-wrap: break-word;
}
.madlibs-form .madlibs-line:last-of-type { margin-bottom: 0; }
.madlibs-line__text {
  color: inherit;
  flex: 0 1 auto;
  min-width: 0;
}
.madlibs-input {
  display: inline-block;
  background: transparent;
  border: none;
  border-bottom: 2px solid var(--clr-accent-2);
  color: var(--clr-accent);
  font-family: var(--ff-display);
  font-size: inherit;
  font-weight: 700;
  font-style: italic;
  padding: 0.1em 0.3em;
  width: auto;
  min-width: 2.5ch;
  max-width: 100%;
  box-sizing: border-box;
  outline: none;
  flex: 0 0 auto;
  text-overflow: clip;
  transition: border-color var(--transition);
  text-align: center;
}
.madlibs-input::placeholder { color: rgba(163, 155, 139, 0.35); font-style: normal; font-size: 0.9em; }
.madlibs-input:focus { border-color: var(--clr-accent); }
/* ── Mobile contact card overrides (must be AFTER .madlibs-form to win cascade) ── */
@media (max-width: 768px) {
  .madlibs-form {
    border-radius: 0;
    padding: 1.25rem 0;
    border-left: none;
    border-right: none;
  }
  #contact-form { padding: 0.75rem 2rem; }
  .madlibs-form-footer { margin-top: 0.5rem; }
}
@media (max-width: 480px) {
  #contact-form { padding: 0.5rem 1.5rem; }
  .madlibs-form-footer { margin-top: 0.4rem; }
  .madlibs-input { padding: 0.1em 0.2em; }
}

.madlibs-form-footer {
  margin-top: var(--space-lg);
  display: flex;
  justify-content: center;
}
/* Contact alt bar — full width below grid */
.contact__alt {
  max-width: 1100px;
  margin-inline: auto;
  padding-top: var(--space-md);
  border-top: 1px solid var(--clr-border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem 1.5rem;
}
.contact__alt a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-small);
  color: var(--clr-muted);
  transition: color var(--transition);
}
.contact__alt a:hover { color: var(--clr-accent); }
.contact__alt i { font-size: 1.1rem; }
.contact__alt-divider {
  color: var(--clr-border);
  font-size: 1.25rem;
  line-height: 1;
  user-select: none;
}
.contact__alt-social {
  display: flex;
  gap: 1.25rem;
  align-items: center;
}
@media (max-width: 640px) {
  .contact__alt-divider { display: none; }
  .contact__alt {
    flex-direction: column;
    align-items: center;
    gap: 0.85rem;
  }
}

/* Form success state */
.form-success {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: var(--space-md);
}
.form-success.show { display: flex; }
.form-success-icon { font-size: 3rem; color: var(--clr-accent); }
.form-success p { color: var(--clr-text); text-align: center; }

/* =============================================
   BRIEFING BANNER — IDENTIDADE VISUAL
   ============================================= */
.briefing-banner {
  background: var(--clr-bg);
  border-top: 1px solid var(--clr-border);
  padding-block: 6rem;
  position: relative;
  overflow: hidden;
}

/* Grid lines de fundo — igual aos project cards */
.briefing-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(203,209,182,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(203,209,182,0.07) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
}
.briefing-banner > .container {
  position: relative;
  z-index: 1;
}

/* Case study: mesmo tom da seção Contexto, sem grid de fundo */
.briefing-banner.briefing-banner--surface {
  background: var(--clr-surface);
}
.briefing-banner.briefing-banner--surface::before {
  content: none;
  display: none;
}

/* Card do briefing (surface): azul um pouco mais claro + grid como .project-card__body, mantendo borda/sombra/glow */
.briefing-banner.briefing-banner--surface .briefing-banner__card {
  /* mesmo tom do card do Portfólio (project-card body) */
  background-color: var(--clr-bg);
  background-image:
    linear-gradient(rgba(203, 209, 182, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(203, 209, 182, 0.07) 1px, transparent 1px);
  background-size: 50px 50px;
  background-position: 0 0, 0 0;
  border-top: 1px solid rgba(163, 45, 50, 0.09);
  backdrop-filter: blur(14px) saturate(130%);
  -webkit-backdrop-filter: blur(14px) saturate(130%);
}
.briefing-banner.briefing-banner--surface .briefing-banner__glow {
  z-index: 0;
}

/* Card clicável — herda estética dos project cards */
.briefing-banner__card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2.5rem;
  padding: 3.5rem;
  text-decoration: none;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  cursor: default;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  box-shadow:
    0 4px 8px rgba(0,0,0,0.28),
    0 16px 40px -8px rgba(0,0,0,0.48);
  background: var(--clr-surface);
}

/* Glow radial que aparece ao hover */
.briefing-banner__glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 8% 50%, rgba(163, 45, 50, 0) 0%, transparent 55%),
    radial-gradient(ellipse at 92% 50%, rgba(11, 14, 20, 0) 0%, transparent 55%);
  transition: background 0.5s ease;
  pointer-events: none;
  z-index: 0;
}

/* Diagonal técnica no canto (igual ao project-card::before) */
.briefing-banner__card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 32px;
  border-left: 2px solid var(--clr-accent);
  border-bottom: 2px solid var(--clr-accent);
  border-radius: 0 0 0 var(--radius-lg);
  opacity: 0;
  transform: scale(0);
  transform-origin: bottom left;
  /* [PERF §1 Compositor-only] */
  transition: transform 0.4s ease, opacity 0.3s ease;
  z-index: 1;
}
/* Activated by both CSS :hover and JS .bb-hovered class */
.briefing-banner__card:hover::before,
.briefing-banner__card.bb-hovered::before {
  transform: scale(1);
  opacity: 1;
}

@media (hover: hover) and (pointer: fine) {
  .briefing-banner__card:hover {
    border-color: var(--clr-accent);
    transform: translateY(-6px);
    box-shadow:
      0 0 0 1px var(--clr-accent),
      0 12px 48px rgba(163, 45, 50, 0.25),
      0 24px 64px -8px rgba(0,0,0,0.7);
  }
  .briefing-banner__card:hover::before {
    transform: scale(1);
    opacity: 1;
  }
  .briefing-banner__card:hover .briefing-banner__glow {
    background:
      radial-gradient(ellipse at 8% 50%, rgba(163, 45, 50, 0.22) 0%, transparent 55%),
      radial-gradient(ellipse at 92% 50%, rgba(11, 14, 20, 0.20) 0%, transparent 55%);
  }
  .briefing-banner__card:hover .briefing-banner__icon {
    background: rgba(163, 45, 50, 0.18);
    border-color: rgba(163, 45, 50, 0.55);
    transform: scale(1.1);
  }
}

/* Tap / clique — mesmo visual do hover (como project-card / service__card) */
.briefing-banner__card:active,
.briefing-banner__card.tapped {
  border-color: var(--clr-accent);
  transform: translateY(-6px);
  box-shadow:
    0 0 0 1px var(--clr-accent),
    0 12px 48px rgba(163, 45, 50, 0.25),
    0 24px 64px -8px rgba(0, 0, 0, 0.7);
}
.briefing-banner__card:active::before,
.briefing-banner__card.tapped::before {
  width: 32px;
  height: 32px;
  opacity: 1;
}
.briefing-banner__card:active .briefing-banner__glow,
.briefing-banner__card.tapped .briefing-banner__glow {
  background:
    radial-gradient(ellipse at 8% 50%, rgba(163, 45, 50, 0.22) 0%, transparent 55%),
    radial-gradient(ellipse at 92% 50%, rgba(11, 14, 20, 0.20) 0%, transparent 55%);
}
.briefing-banner__card:active .briefing-banner__icon,
.briefing-banner__card.tapped .briefing-banner__icon {
  background: rgba(163, 45, 50, 0.18);
  border-color: rgba(163, 45, 50, 0.55);
  transform: scale(1.1);
}

.briefing-banner__icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(163, 45, 50, 0.08);
  border: 1px solid rgba(163, 45, 50, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--clr-accent);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
@media (hover: hover) and (pointer: fine) {
  .briefing-banner__card:hover .briefing-banner__icon {
    background: rgba(163, 45, 50, 0.15);
    border-color: rgba(163, 45, 50, 0.5);
    transform: scale(1.08);
  }
}

.briefing-banner__text {
  position: relative;
  z-index: 1;
}
.briefing-banner__text .section-label { margin-bottom: 0.4rem; display: block; }
.briefing-banner__text h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  margin-bottom: 0.75rem;
  color: var(--clr-text);
}
.briefing-banner__text p {
  font-size: var(--fs-small);
  color: var(--clr-muted);
  line-height: 1.7;
  max-width: 540px;
}
.briefing-banner__text strong { color: var(--clr-accent); font-weight: 500; }

.briefing-banner__cta {
  display: inline-grid;
  justify-items: stretch;
  align-items: start;
  gap: 0.75rem;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
.briefing-banner__cta > a {
  width: 100%;
}
.briefing-banner__note {
  font-size: 0.75rem;
  color: var(--clr-muted);
  display: inline-flex;
  align-items: flex-start; /* ícone alinhado à primeira linha (“Briefing”) */
  gap: 0.3rem;
  width: 100%;
  line-height: 1.35;
}
.briefing-banner__note > i {
  flex-shrink: 0;
  margin-top: 0.12em; /* ajuste fino com a altura da linha do texto */
}
@media (max-width: 900px) {
  .briefing-banner__card {
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
  }
  .briefing-banner__cta {
    grid-column: 1 / -1;
    align-items: flex-start;
  }
}
@media (max-width: 640px) {
  .briefing-banner__card {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 1.5rem;
    padding: 1.75rem;
  }
  .briefing-banner__icon { margin-inline: auto; }
  .briefing-banner__cta { align-items: center; }
  .briefing-banner__text p { max-width: 100%; }
}


/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  padding-block: var(--space-lg);
}
.footer__inner {
  position: relative;
  z-index: 1;
}
.footer__inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.footer__logo {
  font-family: var(--ff-display);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--clr-text);
}
.footer__logo span { color: var(--clr-accent); }
.footer__copy {
  font-size: var(--fs-small);
  color: var(--clr-muted);
}
.footer__socials {
  display: flex;
  gap: 1rem;
}
.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;  /* alvo de toque mínimo (§45) */
  height: 44px;
  border: 1px solid var(--clr-border);
  border-radius: 50%;
  color: var(--clr-muted);
  font-size: 1.1rem;
  transition: border-color var(--transition), color var(--transition);
}
.footer__social-link:hover {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
}
@media (min-width: 640px) {
  .footer__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

/* Home / alternância: rodapé com grid + partículas após seção surface (ex.: contact, briefing) */
.footer.footer--grid {
  background: var(--clr-bg);
  position: relative;
  overflow: hidden;
}
.footer.footer--grid::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(203,209,182,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(203,209,182,0.07) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
}
.footer.footer--grid > .container {
  position: relative;
  z-index: 1;
}

/* Case study: após seção de partículas → footer surface (alternância grid ↔ vidro) */
/* Sobrescreve .footer.footer--grid quando vem direto após partículas */
.cs-particle-section + .footer.footer--grid {
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.08) 0%, transparent 46%),
    rgba(26, 33, 44, 0.55);
  backdrop-filter: blur(24px) saturate(150%) brightness(1.05);
  -webkit-backdrop-filter: blur(24px) saturate(150%) brightness(1.05);
  border-top: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.10),
    inset 0 -1px 0 rgba(0, 0, 0, 0.14);
}
.cs-particle-section + .footer.footer--grid::before {
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: auto;
  opacity: 0.028;
}
.cs-particle-section + .footer.footer--grid::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 50%;
  background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.32));
  pointer-events: none;
  z-index: 0;
}
/* briefing surface no meio → footer volta ao grid (--grid sobrescreve surface) */
.briefing-banner--surface + .footer.footer--grid {
  background: var(--clr-bg);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-top: 1px solid var(--clr-border);
  border-bottom: none;
  box-shadow: none;
}
.briefing-banner--surface + .footer.footer--grid::before {
  background-image:
    linear-gradient(rgba(203,209,182,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(203,209,182,0.07) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 1;
}
.briefing-banner--surface + .footer.footer--grid::after {
  content: none;
  display: none;
}

/* =============================================
   SCROLL REVEAL UTILITY
   ============================================= */
[data-reveal] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}
[data-reveal-delay="1"] { transition-delay: 0.1s; }
[data-reveal-delay="2"] { transition-delay: 0.2s; }
[data-reveal-delay="3"] { transition-delay: 0.3s; }
[data-reveal-delay="4"] { transition-delay: 0.4s; }
[data-reveal-delay="5"] { transition-delay: 0.5s; }

/* [PERF §9 Reduced Motion] skip animation, show content immediately */
@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero__scroll-indicator {
    animation: none;
    opacity: 0.8;
  }

  .project-card::before,
  .briefing-banner__card::before {
    transition: opacity 0.3s ease;
    transform: none;
    opacity: 0;
  }

  .project-card:hover::before,
  .project-card.tapped::before,
  .briefing-banner__card:hover::before,
  .briefing-banner__card.bb-hovered::before {
    transform: none;
    opacity: 1;
  }

  .cs-snapshot,
  .cs-snapshot-card,
  .cs-problem-callout,
  .cs-particle-section + .footer {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

/* Scramble Text Effect */
.sc {
  display: inline-block;
  /* durante a animação o JS trava a largura no caractere final; centralizar
     mantém o caractere aleatório no lugar sem alargar a linha */
  text-align: center;
  color: rgba(163, 45, 50, 0.75);
  font-style: normal;
  transition: color 0.15s ease;
}
.sc.sc--done {
  color: inherit;
  font-style: inherit;
}

/* =============================================
   CASE STUDY PAGE
   ============================================= */

/* Particle-enabled sections — canvas sits at z-index:0 behind content */
.cs-particle-section {
  background: transparent !important;
  position: relative;
  overflow: hidden;
}
/* Grid CAD (partículas visíveis atrás) */
.cs-particle-section::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(203,209,182,0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(203,209,182,0.09) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
}
/* Escurecimento na base — igual .proof/.projects/.contact do index */
.cs-particle-section::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 50%;
  background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.32));
  pointer-events: none;
  z-index: 0;
}
@media (max-width: 768px) {
  .cs-particle-section::after { background-size: 11.11vw 11.11vw; }
}
.cs-particle-section > * { position: relative; z-index: 1; }

.cs-hero {
  padding-top: 100px;
  padding-bottom: var(--space-xl);
  background: var(--clr-bg);
  position: relative;
  overflow: hidden;
}
.cs-hero__back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--clr-muted);
  font-size: var(--fs-small);
  margin-bottom: var(--space-md);
  transition: color var(--transition);
}
.cs-hero__back:hover { color: var(--clr-accent); }
.cs-hero__metrics {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-md);
}
.cs-metric {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  flex: 1;
  min-width: 120px;
}
.cs-metric__value {
  font-family: var(--ff-mono);
  font-size: 2.2rem;
  font-weight: 500;
  color: var(--clr-accent);
  letter-spacing: -0.02em;
}
.cs-metric__label { font-size: var(--fs-small); color: var(--clr-muted); }

/* Seção de contexto / snapshot — superfície com ruído + fade inferior (index) */
.cs-context-section,
.cs-surface-section {
  position: relative;
  overflow: hidden;
  background: var(--clr-surface);
}
.cs-context-section::before,
.cs-surface-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0.028;
  pointer-events: none;
  z-index: 0;
}
.cs-context-section::after,
.cs-surface-section::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 50%;
  background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.32));
  pointer-events: none;
  z-index: 0;
}
.cs-context-section > .container,
.cs-surface-section > .container {
  position: relative;
  z-index: 1;
}

.cs-snapshot,
.cs-snapshot-card {
  background:
    linear-gradient(135deg, rgba(255,255,255,0.14) 0%, rgba(255,255,255,0.04) 60%),
    rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(28px) saturate(160%) brightness(1.05);
  -webkit-backdrop-filter: blur(28px) saturate(160%) brightness(1.05);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-block: var(--space-lg);
  box-shadow:
    0 8px 32px rgba(0,0,0,0.35),
    inset 0 1px 0 rgba(255,255,255,0.10);
}
/* Case study: tabela + “O Problema” no mesmo card (leitura linear) */
.cs-snapshot-card {
  background:
    linear-gradient(135deg, rgba(255,255,255,0.14) 0%, rgba(255,255,255,0.04) 60%),
    rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(28px) saturate(160%) brightness(1.05);
  -webkit-backdrop-filter: blur(28px) saturate(160%) brightness(1.05);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-block: var(--space-lg);
  box-shadow:
    0 8px 32px rgba(0,0,0,0.35),
    inset 0 1px 0 rgba(255,255,255,0.10);
}
.cs-snapshot table,
.cs-snapshot-card table {
  width: 100%;
  border-collapse: collapse;
}
.cs-snapshot td,
.cs-snapshot-card td {
  padding: 0.85rem var(--space-md);
  font-size: var(--fs-small);
  border-bottom: 1px solid var(--clr-border);
  vertical-align: top;
}
.cs-snapshot td:first-child,
.cs-snapshot-card td:first-child {
  color: var(--clr-muted);
  font-weight: 500;
  white-space: nowrap;
  width: 130px;
}
.cs-snapshot td:last-child,
.cs-snapshot-card td:last-child {
  color: var(--clr-text);
  font-weight: 500;
}
.cs-snapshot tr:last-child td,
.cs-snapshot-card tr:last-child td {
  border-bottom: none;
}

/* “O Problema” — callout forte (bloco separado) */
.cs-problem-callout {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.1rem;
  align-items: start;
  padding: 1.35rem 1.35rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(203, 209, 182, 0.12);
  border-left: 4px solid var(--clr-accent);
  background:
    linear-gradient(135deg, rgba(255,255,255,0.06) 0%, rgba(255,255,255,0.02) 55%),
    rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  box-shadow:
    0 8px 28px rgba(0,0,0,0.38),
    inset 0 1px 0 rgba(255,255,255,0.10);
}
.cs-problem-callout__icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: var(--clr-accent);
  background: rgba(163, 45, 50, 0.10);
  border: 1px solid rgba(163, 45, 50, 0.22);
  flex-shrink: 0;
}
.cs-problem-callout__icon i { font-size: 1.25rem; }
.cs-problem-callout__title {
  font-family: var(--ff-display);
  font-size: clamp(0.95rem, 1.9vw, 1.2rem);
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--clr-text);
  margin: 0 0 0.65rem;
}
.cs-problem-callout p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.65;
  color: rgba(203, 209, 182, 0.64);
  max-width: none;
}
@media (max-width: 520px) {
  .cs-problem-callout {
    grid-template-columns: 1fr;
  }
  .cs-problem-callout__icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
  }
}
.cs-context__meta-label {
  /* mais respiro após o callout */
  margin-top: 2.85rem;
  /* menos respiro até o card da ficha */
  margin-bottom: 0.75rem;
}
.cs-context__snapshot.cs-snapshot {
  /* remove o margin-top padrão do .cs-snapshot e reduz a “sobra” no fim da seção */
  margin-top: 0;
  margin-bottom: var(--space-md);
}
.cs-context-section.section-pad {
  /* iguala o respiro final ao respiro inicial da sessão */
  padding-bottom: var(--space-xl);
}
.cs-problema p {
  max-width: 62ch;
  margin: 0;
}
.cs-problema__title {
  font-family: var(--ff-heading);
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--clr-text);
  margin: 0 0 0.85rem;
  letter-spacing: 0.02em;
}

.cs-section { margin-bottom: var(--space-xl); }
.cs-section h2 { margin-bottom: 1rem; }
.cs-section h3 { margin-bottom: 0.75rem; font-size: 1.1rem; }
.cs-section p { max-width: 680px; }
.cs-gallery {
  display: grid;
  gap: 1.25rem;
  margin-top: var(--space-md);
}
@media (min-width: 640px) {
  .cs-gallery { grid-template-columns: repeat(2, 1fr); }
}
.cs-gallery img {
  border-radius: var(--radius-md);
  border: 1px solid var(--clr-border);
  width: 100%;
}
/* Paper milimetrado background for process wireframe section */
.cs-process-wireframe {
  position: relative;
}
.cs-process-wireframe::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(203,209,182,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(203,209,182,0.06) 1px, transparent 1px);
  background-size: 24px 24px;
  border-radius: var(--radius-md);
  pointer-events: none;
}

/* =============================================
   MOBILE — Grid size reduction
   ============================================= */
@media (max-width: 767px) {
  .services__grid { gap: 0.85rem; }
  .bento-grid     { gap: 0.75rem; }
  .about__grid    { gap: var(--space-md); }
}

/* =============================================
   ART GALLERY — Art.html (easter egg)
   ============================================= */
.art-page {
  min-height: 100svh;
  padding-top: calc(var(--nav-height, 64px) + 1rem);
  padding-bottom: 0;
  background: var(--clr-bg);
  display: flex;
  flex-direction: column;
}

html:has(body.art-page) {
  background: var(--clr-bg);
}

body.art-page main {
  background: var(--clr-bg);
  flex: 0 1 auto;
}

body.art-page main.section-pad {
  padding-top: 0;
  padding-bottom: 1.5rem;
}

body.art-page .footer.art-page__footer {
  margin-top: 2rem;
  margin-bottom: 0;
  flex-shrink: 0;
  padding-block: 1.25rem 1.5rem;
  background: var(--clr-bg);
  border-top: none;
  box-shadow: inset 0 1px 0 rgba(44, 53, 66, 0.65);
}

.art-hero {
  width: min(1100px, calc(100% - 2 * var(--space-md)));
  margin-inline: auto;
  margin-bottom: var(--space-xl);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  background: rgba(11, 14, 20, 0.28);
  backdrop-filter: blur(28px) saturate(160%) brightness(1.05);
  -webkit-backdrop-filter: blur(28px) saturate(160%) brightness(1.05);
  box-shadow:
    0 8px 40px rgba(0, 0, 0, 0.40),
    0 24px 64px -8px rgba(0, 0, 0, 0.60);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  position: relative;
  overflow: hidden;
  will-change: transform, opacity;
  transform-origin: center top;
}

.art-gallery-wrap {
  width: min(1100px, calc(100% - 2 * var(--space-md)));
  margin-inline: auto;
  overflow: visible;
  perspective: 1200px;
}

.art-gallery-wrap__track {
  transform: translate3d(0, 28px, 0);
  transition: transform 0.85s cubic-bezier(0.22, 1, 0.36, 1);
}

.art-gallery-wrap.is-inview .art-gallery-wrap__track {
  transform: translate3d(0, 0, 0);
}

@media (prefers-reduced-motion: reduce) {
  .art-hero {
    transform: none !important;
    opacity: 1 !important;
  }

  .art-gallery-wrap__track {
    transform: none;
    transition: none;
  }
}

.art-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(203,209,182,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(203,209,182,0.07) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.9;
  pointer-events: none;
  z-index: 0;
}

.art-hero > * { position: relative; z-index: 1; }

/* Hero visível mesmo antes do scroll-reveal (script.js é módulo) */
.art-hero [data-reveal] {
  opacity: 1;
  transform: none;
}

.art-title {
  transform-origin: center center;
  will-change: transform;
}

.art-svg-filters {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  .art-title {
    transform: none !important;
  }
}
.art-gooey-cursor {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2000;
  filter: url(#art-gooey);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.art-gooey-cursor.is-active {
  opacity: 1;
}

.art-gooey-cursor__blob,
.art-gooey-cursor__dot {
  position: fixed;
  top: 0;
  left: 0;
  border-radius: 50%;
  background: var(--clr-accent, #a32d32);
  will-change: transform;
  pointer-events: none;
}

.art-gooey-cursor__dot {
  width: 10px;
  height: 10px;
}

.art-gooey-cursor__blob {
  width: 28px;
  height: 28px;
  opacity: 0.82;
}

.art-no-gooey .art-gooey-cursor {
  display: none;
}

@media (hover: none), (pointer: coarse) {
  .art-gooey-cursor {
    display: none;
  }
}

.art-kicker {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--clr-muted);
  font-size: var(--fs-small);
}

.art-kicker i { color: var(--clr-accent); }

.art-title { margin-top: 0.6rem; }

.art-desc {
  color: var(--clr-muted);
  max-width: 58ch;
  line-height: 1.8;
  margin-top: 0.8rem;
}

.art-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
  align-items: center;
}

.art-hint {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--clr-border);
  color: rgba(203, 209, 182, 0.55);
  font-size: 0.85rem;
  line-height: 1.7;
}

.art-section-label {
  margin-bottom: 1rem;
}

.art-featured {
  margin-bottom: var(--space-xl);
  perspective: 1100px;
}

.art-featured__trigger {
  display: grid;
  gap: 0;
  width: 100%;
  padding: 0;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  background: rgba(11, 14, 20, 0.35);
  overflow: hidden;
  cursor: pointer;
  text-align: left;
  color: inherit;
  font: inherit;
  transform-style: preserve-3d;
  transform-origin: center center;
  transition: border-color 0.25s ease, box-shadow 0.35s ease;
}

.art-featured__trigger.is-card-tilt {
  position: relative;
  z-index: 3;
  border-color: rgba(163, 45, 50, 0.5);
  box-shadow: 0 22px 50px rgba(163, 45, 50, 0.28);
}

@media (hover: hover) {
  .art-featured__trigger:hover:not(.is-card-tilt) {
    border-color: var(--clr-accent);
  }
}

.art-featured__media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--clr-surface-2);
}

.art-featured__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.art-featured__copy {
  padding: clamp(1rem, 3vw, 1.5rem);
}

.art-featured__title {
  font-family: var(--ff-heading);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  margin: 0.35rem 0 0;
}

.art-featured__meta {
  color: var(--clr-muted);
  font-size: var(--fs-small);
  margin: 0.35rem 0 0;
}

.art-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--space-md);
}

.art-filter {
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--clr-border);
  background: transparent;
  color: var(--clr-muted);
  font-family: var(--ff-body);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: capitalize;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
  will-change: transform;
}

.art-lightbox__figure.is-fold-open .art-lightbox__media {
  animation: art-fold-open 0.72s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  transform-origin: center top;
}

@keyframes art-fold-open {
  0% {
    clip-path: inset(46% 0 46% 0 round 12px);
    transform: scaleY(0.12);
    opacity: 0.55;
  }
  55% {
    clip-path: inset(8% 0 8% 0 round 10px);
    transform: scaleY(0.92);
    opacity: 0.92;
  }
  100% {
    clip-path: inset(0 0 0 0 round 12px);
    transform: scaleY(1);
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .art-lightbox__figure.is-fold-open .art-lightbox__media {
    animation: none;
  }
}

.art-filter[aria-pressed="true"] {
  border-color: var(--clr-accent);
  color: var(--clr-accent);
  background: rgba(163, 45, 50, 0.12);
}

@media (hover: hover) {
  .art-filter:hover:not([aria-pressed="true"]) {
    border-color: rgba(203, 209, 182, 0.45);
    color: var(--clr-text);
  }
}

.art-status {
  color: var(--clr-muted);
  text-align: center;
  padding: var(--space-lg);
  border: 1px dashed var(--clr-border);
  border-radius: var(--radius-md);
}

.art-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr));
  gap: 1.25rem;
  padding-bottom: 2.5rem;
  overflow: visible;
}

html.art-scroll-native {
  scroll-snap-type: y proximity;
}

.art-snap-anchor {
  scroll-snap-align: start;
  scroll-margin-top: calc(var(--nav-height, 64px) + 1rem);
}

.art-card {
  opacity: 1;
  transform: none;
  perspective: 1100px;
}

.art-page .art-card {
  opacity: 0;
  background: transparent;
  overflow: visible;
}

.art-page .art-card.is-inview {
  animation: art-card-fade 0.62s cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: var(--art-stagger, 0s);
}

.art-page .art-card:not(.is-inview) .art-card__trigger {
  transform: translateY(22px);
}

.art-page .art-card.is-inview .art-card__trigger {
  animation: art-card-rise 0.62s cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: var(--art-stagger, 0s);
}

.art-page .art-card.is-inview.is-motion-settled .art-card__trigger,
.art-page .art-card.is-motion-settled .art-card__trigger {
  animation: none;
}

.art-card__trigger {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  padding: 0;
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  background: rgba(11, 14, 20, 0.55);
  overflow: hidden;
  cursor: pointer;
  text-align: left;
  color: inherit;
  font: inherit;
  transform-style: preserve-3d;
  transform-origin: center center;
  transition: border-color 0.25s ease, box-shadow 0.35s ease;
}

.art-card__trigger.is-card-tilt {
  position: relative;
  z-index: 3;
  border-color: rgba(163, 45, 50, 0.5);
  box-shadow: 0 22px 50px rgba(163, 45, 50, 0.28);
}

/* Destaque oculto no layout até entrar no viewport */
.art-page .art-featured:not(.is-inview) {
  opacity: 0;
  visibility: hidden;
  max-height: 0;
  margin: 0;
  overflow: hidden;
  pointer-events: none;
}

.art-page .art-featured.is-inview {
  visibility: visible;
  max-height: none;
  overflow: visible;
  pointer-events: auto;
  animation: art-block-in 0.68s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.art-page .art-section-label,
.art-page .art-filters {
  opacity: 0;
  transform: translateY(18px);
}

.art-page .art-section-label.is-inview,
.art-page .art-filters.is-inview {
  animation: art-block-in 0.68s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.art-page .art-filters.is-inview {
  animation-delay: 0.08s;
}

@keyframes art-block-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes art-card-fade {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes art-card-rise {
  from {
    transform: translateY(22px);
  }
  to {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html.art-scroll-native {
    scroll-snap-type: none;
  }

  .art-page .art-card,
  .art-page .art-featured,
  .art-page .art-section-label,
  .art-page .art-filters {
    opacity: 1;
    transform: none;
    animation: none;
    visibility: visible;
    max-height: none;
    overflow: visible;
    pointer-events: auto;
  }

  .art-page .art-card .art-card__trigger {
    animation: none;
    transform: none;
  }
}

@media (hover: hover) {
  .art-card:hover .art-card__trigger {
    border-color: rgba(163, 45, 50, 0.55);
  }
}

.art-card__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--clr-surface-2);
}

.art-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.art-card__body {
  padding: 0.85rem 1rem 1rem;
}

.art-card__title {
  font-family: var(--ff-heading);
  font-size: 1.05rem;
  margin: 0;
  line-height: 1.3;
}

.art-card__meta {
  margin: 0.35rem 0 0;
  font-size: 0.78rem;
  color: var(--clr-muted);
}

/* Lightbox */
.art-lightbox {
  padding: 0;
  border: none;
  max-width: none;
  max-height: none;
  width: 100%;
  height: 100%;
  background: rgba(11, 14, 20, 0.94);
  color: var(--clr-text);
}

.art-lightbox::backdrop {
  background: rgba(0, 0, 0, 0.75);
}

.art-lightbox__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100%;
  padding: clamp(1rem, 4vw, 2rem);
  gap: 1rem;
  position: relative;
}

.art-lightbox__figure {
  margin: 0;
  max-width: min(1100px, 100%);
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.art-lightbox__media {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: min(40vh, 320px);
}

.art-lightbox__layer {
  max-width: 100%;
  max-height: min(72vh, 820px);
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-md);
  border: 1px solid var(--clr-border);
  will-change: transform, opacity;
}

.art-lightbox__layer--reveal {
  position: absolute;
  left: 0;
  right: 0;
  margin-inline: auto;
}

.art-lightbox__layer.is-morphing {
  filter: url(#art-lightbox-displace);
}

.art-lightbox__caption {
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.art-lightbox__caption.is-changing {
  opacity: 0.55;
  transform: translateY(6px);
}

@media (prefers-reduced-motion: reduce) {
  .art-lightbox__layer.is-morphing {
    filter: none;
  }

  .art-lightbox__caption.is-changing {
    opacity: 1;
    transform: none;
  }
}

.art-lightbox__caption {
  text-align: center;
  max-width: 48ch;
}

.art-lightbox__caption h2 {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  margin: 0;
}

.art-lightbox__caption p {
  margin: 0.35rem 0 0;
  color: var(--clr-muted);
  font-size: var(--fs-small);
}

.art-lightbox__close,
.art-lightbox__nav {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--clr-border);
  background: rgba(11, 14, 20, 0.85);
  color: var(--clr-text);
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.art-lightbox__close {
  top: 1rem;
  right: 1rem;
  font-size: 1.25rem;
}

.art-lightbox__nav {
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.35rem;
}

.art-lightbox__nav--prev { left: clamp(0.5rem, 2vw, 1.5rem); }
.art-lightbox__nav--next { right: clamp(0.5rem, 2vw, 1.5rem); }

.art-lightbox__nav:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

@media (hover: hover) {
  .art-lightbox__close:hover,
  .art-lightbox__nav:hover:not(:disabled) {
    border-color: var(--clr-accent);
    color: var(--clr-accent);
  }
}

@media (max-width: 640px) {
  .art-lightbox__nav--prev { left: 0.25rem; }
  .art-lightbox__nav--next { right: 0.25rem; }
}

/* Fase 5 — cortina + ghost FLIP no lightbox */
.art-curtain-root {
  position: fixed;
  inset: 0;
  z-index: 10000;
  pointer-events: none;
}

.art-curtain-root.is-active {
  pointer-events: auto;
}

.art-curtain__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.78);
  opacity: 0;
}

.art-curtain__panel {
  position: absolute;
  top: 0;
  width: 50.5%;
  height: 100%;
  background: var(--clr-bg, #0b0e14);
  box-shadow: inset 0 0 80px rgba(0, 0, 0, 0.35);
  will-change: transform;
  z-index: 1;
}

.art-curtain__panel--left {
  left: 0;
  border-right: 1px solid rgba(163, 45, 50, 0.25);
}

.art-curtain__panel--right {
  right: 0;
  border-left: 1px solid rgba(163, 45, 50, 0.25);
}

.art-curtain__ghost {
  position: fixed;
  top: 0;
  left: 0;
  object-fit: cover;
  z-index: 2;
  pointer-events: none;
  border: 1px solid var(--clr-border);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.55);
  will-change: left, top, width, height;
}

.art-lightbox[open] {
  animation: art-lightbox-in 0.35s ease forwards;
}

@keyframes art-lightbox-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .art-curtain-root {
    display: none !important;
  }

  .art-lightbox[open] {
    animation: none;
  }
}

/* =============================================
   CASE STUDY — MÍDIA, PRANCHAS & GALERIA
   ============================================= */

/* Pull-quote e blocos de fecho (antes presos no <style> local da página) */
.cs-highlight {
  margin: 2.5rem 0;
  max-width: 28ch;
  font-size: clamp(1.6rem, 3.2vw, 2.85rem);
  line-height: 1.15;
}
.cs-final-result {
  margin-top: var(--space-lg);
  padding: clamp(2rem, 6vw, 5rem);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  background: var(--clr-surface-2);
}
.cs-final-result p { max-width: 54rem; }
.cs-final-result__statement {
  margin-top: var(--space-md);
  font-size: clamp(1.5rem, 2.6vw, 2.35rem);
  line-height: 1.22;
}

.cs-cta { margin-top: 5rem; }
.cs-cta h2 { max-width: 30ch; margin-bottom: 1rem; }
.cs-cta > p { margin-bottom: var(--space-md); }

/* --- Largura estendida: extrapola o .container para pranchas densas ---
   Usa margin negativo (não transform) para não conflitar com [data-reveal]. */
.cs-bleed {
  --cs-bleed-w: min(calc(100vw - 3rem), 1560px);
  width: var(--cs-bleed-w);
  max-width: none;
  margin-left: calc(50% - var(--cs-bleed-w) / 2);
}

/* --- Bloco de mídia --- */
.cs-media {
  margin-block: var(--space-md) 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-border);
  background: var(--clr-surface-2);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.cs-media picture { display: block; }
.cs-media img {
  display: block;
  width: 100%;
  height: auto;
}
.cs-media__caption {
  padding: 1rem var(--space-md) 1.15rem;
  font-size: var(--fs-small);
  line-height: 1.6;
  color: var(--clr-muted);
  border-top: 1px solid var(--clr-border);
  background: rgba(0, 0, 0, 0.18);
}
.cs-media__caption strong {
  color: var(--clr-text);
  font-weight: 600;
}

/* Gatilho de zoom — <button> real, acessível por teclado */
.cs-media__trigger {
  display: block;
  position: relative;
  width: 100%;
  padding: 0;
  margin: 0;
  border: 0;
  background: none;
  font: inherit;
  color: inherit;
  cursor: zoom-in;
  overflow: hidden;
}
.cs-media__trigger::after {
  content: '';
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 0 0 var(--clr-accent);
  transition: box-shadow var(--transition), background-color var(--transition);
  pointer-events: none;
}
.cs-media__trigger:hover::after,
.cs-media__trigger:focus-visible::after {
  box-shadow: inset 0 0 0 2px var(--clr-accent);
  background-color: var(--clr-accent-glow);
}
.cs-media__trigger:focus-visible { outline: none; }

.cs-media__zoom {
  position: absolute;
  top: 0.9rem;
  right: 0.9rem;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.75rem;
  border-radius: 100px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(11, 14, 20, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--clr-text);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity var(--transition), transform var(--transition);
}
.cs-media__trigger:hover .cs-media__zoom,
.cs-media__trigger:focus-visible .cs-media__zoom {
  opacity: 1;
  transform: translateY(0);
}
@media (hover: none) {
  .cs-media__zoom { opacity: 1; transform: none; }
}

/* --- Cabeçalho de capítulo --- */
.cs-chapter { margin-bottom: var(--space-lg); }
.cs-chapter h2 { margin: 0.75rem 0 1.25rem; }
/* Linha longa o bastante para o texto correr por extenso, sem virar bloco maciço */
.cs-chapter__lead { max-width: 54rem; }
.cs-chapter__lead + .cs-chapter__lead { margin-top: 1rem; }

/* Kicker de sub-bloco dentro de uma seção */
.cs-subblock { margin-top: 5rem; }
.cs-subblock:first-of-type { margin-top: 0; }
.cs-subblock h3 {
  margin: 0.6rem 0 0.75rem;
  font-size: clamp(1.15rem, 2.4vw, 1.6rem);
}
.cs-subblock p { max-width: 54rem; }

/* --- Grid dos posts --- */
.cs-posts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}
.cs-posts .cs-media { margin-block: 0; }
.cs-post__meta {
  padding: 1rem var(--space-sm) 1.15rem;
  border-top: 1px solid var(--clr-border);
  background: rgba(0, 0, 0, 0.18);
}
.cs-post__kicker {
  display: block;
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-accent);
  margin-bottom: 0.4rem;
}
.cs-post__meta p {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.6;
  max-width: none;
}
@media (max-width: 1024px) {
  .cs-posts { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .cs-posts { grid-template-columns: 1fr; }
}

/* --- Pilares do sistema (marca → digital) --- */
.cs-pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
  counter-reset: cs-pillar;
}
.cs-pillar {
  position: relative;
  padding: 1.5rem;
  border: 1px solid var(--clr-border);
  border-top: 3px solid var(--clr-accent);
  border-radius: var(--radius-md);
  background: var(--clr-surface);
}
.cs-pillar::before {
  counter-increment: cs-pillar;
  content: '0' counter(cs-pillar);
  display: block;
  font-family: var(--ff-mono);
  font-size: var(--fs-small);
  letter-spacing: 0.12em;
  color: var(--clr-accent);
  margin-bottom: 0.6rem;
}
.cs-pillar h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}
.cs-pillar p {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.65;
  max-width: none;
}
/* Conector entre os pilares */
.cs-pillar:not(:last-child)::after {
  content: '';
  position: absolute;
  top: -3px;
  right: calc(var(--space-md) * -1);
  width: var(--space-md);
  height: 3px;
  background: linear-gradient(90deg, var(--clr-accent), var(--clr-border));
}
@media (max-width: 900px) {
  .cs-pillars { grid-template-columns: repeat(2, 1fr); }
  .cs-pillar:not(:last-child)::after { display: none; }
}
@media (max-width: 520px) {
  .cs-pillars { grid-template-columns: 1fr; }
}

/* --- CTA do site ao vivo --- */
.cs-site-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--clr-border);
  border-left: 4px solid var(--clr-accent);
  border-radius: var(--radius-lg);
  background: var(--clr-surface-2);
}
.cs-site-cta__text { flex: 1 1 320px; }
.cs-site-cta__text h3 { margin: 0 0 0.5rem; font-size: 1.25rem; }
.cs-site-cta__text p { margin: 0; max-width: 46ch; }
.cs-site-cta__url {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.75rem;
  font-family: var(--ff-mono);
  font-size: var(--fs-small);
  color: var(--clr-muted);
  transition: color var(--transition);
}
.cs-site-cta__url:hover { color: var(--clr-accent); }

/* Link do site no hero */
.cs-hero__site-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 1rem;
  font-size: var(--fs-small);
  color: var(--clr-muted);
  border-bottom: 1px solid var(--clr-border);
  padding-bottom: 0.2rem;
  transition: color var(--transition), border-color var(--transition);
}
.cs-hero__site-link:hover {
  color: var(--clr-accent);
  border-color: var(--clr-accent);
}

/* --- Lightbox das pranchas --- */
.cs-lightbox {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  /* Safe areas: sem isso o topo/base do overlay some sob notch, status bar e
     barra de gestos no iOS — principalmente em landscape (§46). */
  padding:
    max(clamp(1rem, 4vw, 3rem), env(safe-area-inset-top))
    max(clamp(1rem, 4vw, 3rem), env(safe-area-inset-right))
    max(clamp(1rem, 4vw, 3rem), env(safe-area-inset-bottom))
    max(clamp(1rem, 4vw, 3rem), env(safe-area-inset-left));
  background: rgba(11, 14, 20, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity 0.25s ease;
  /* impede que o gesto de rolagem "vaze" para a página atrás do modal (§6) */
  overscroll-behavior: contain;
}
.cs-lightbox[data-open] { display: flex; }
.cs-lightbox[data-open].is-visible { opacity: 1; }
/* Ordem: legenda em cima · imagem · controles de zoom embaixo */
.cs-lightbox__figure {
  margin: 0;
  width: 100%;
  max-width: 100%;
  max-height: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  align-items: center;
  justify-content: center;
}
.cs-lightbox__figure > * { flex: 0 0 auto; }
/* Área de recorte: o zoom acontece dentro dela, sem vazar da moldura */
.cs-lightbox__viewport {
  position: relative;
  overflow: hidden;
  line-height: 0;
  max-width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--clr-border);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6);
  background: var(--clr-surface-2);
  cursor: zoom-in;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}
.cs-lightbox__viewport.is-zoomed { cursor: grab; }
.cs-lightbox__viewport.is-panning { cursor: grabbing; }

/* max-width/max-height reais são calculados em js/cs-lightbox.js (fit) —
   os valores abaixo são só o fallback antes da primeira medição. */
.cs-lightbox__img {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - 14rem);
  max-height: calc(100dvh - 14rem); /* dvh acompanha a barra do navegador (§59) */
  width: auto;
  height: auto;
  object-fit: contain;
  transform-origin: center center;
  transition: transform 0.2s ease;
  will-change: transform;
  -webkit-user-drag: none;
}
.cs-lightbox__viewport.is-panning .cs-lightbox__img { transition: none; }

/* Controles de zoom */
.cs-lightbox__zoom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.4rem 0.5rem;
  border-radius: 100px;
  border: 1px solid var(--clr-border);
  background: var(--clr-surface);
}
.cs-lightbox__zoom button {
  display: grid;
  place-items: center;
  min-width: 34px;
  height: 34px;
  padding: 0 0.75rem;
  border-radius: 100px;
  border: 1px solid var(--clr-border);
  background: var(--clr-surface-2);
  color: var(--clr-text);
  font-family: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background-color var(--transition), border-color var(--transition), color var(--transition);
}
.cs-lightbox__zoom button:hover:not(:disabled),
.cs-lightbox__zoom button:focus-visible {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  color: #fff;
}
.cs-lightbox__zoom button:disabled { opacity: 0.35; cursor: default; }
.cs-lightbox__level {
  min-width: 4.5ch;
  text-align: center;
  font-family: var(--ff-mono);
  font-size: var(--fs-small);
  color: var(--clr-muted);
}
.cs-lightbox__hint {
  padding-inline: 0.5rem;
  font-size: 0.72rem;
  color: var(--clr-muted);
}
@media (max-width: 600px) {
  .cs-lightbox__hint { display: none; }
}
.cs-lightbox__caption {
  font-size: var(--fs-small);
  color: var(--clr-muted);
  text-align: center;
  max-width: 70ch;
}
.cs-lightbox__close {
  position: absolute;
  /* fora da safe area o botão fecha desaparecia sob a status bar do iOS (§4.12) */
  top: max(clamp(0.75rem, 2vw, 1.5rem), env(safe-area-inset-top));
  right: max(clamp(0.75rem, 2vw, 1.5rem), env(safe-area-inset-right));
  z-index: 2;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--clr-border);
  background: var(--clr-surface);
  color: var(--clr-text);
  font-size: 1.25rem;
  cursor: pointer;
  transition: background-color var(--transition), border-color var(--transition), color var(--transition);
}
.cs-lightbox__close:hover,
.cs-lightbox__close:focus-visible {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  color: #fff;
}
body.cs-lightbox-open { overflow: hidden; }

@media (prefers-reduced-motion: reduce) {
  .cs-lightbox,
  .cs-lightbox__img,
  .cs-media__trigger::after,
  .cs-media__zoom { transition: none; }
  .cs-media__zoom { opacity: 1; transform: none; }
}

/* =============================================
   CASE STUDY — BLOCOS EXTRAS (Kibeleza, Perso)
   Essas páginas usam a identidade padrão do site (mesmos tokens, nav, rodapé,
   partículas e lightbox da Abrolhos). Aqui só entram o zoom-reveal das pranchas
   e os layouts que o case da Abrolhos não tinha. Escopado em `.cs-page` (ou em
   modificadores próprios) para não afetar as outras páginas.
   ============================================= */

/* --- Zoom reveal das pranchas ---
   Aproveita o MESMO IntersectionObserver de [data-reveal] usado na Abrolhos
   (script.js) — nada de observer novo. A escala entra junto com o fade +
   translate do figure; como .cs-media__trigger tem overflow:hidden, a imagem
   nunca vaza nem empurra o layout. Roda uma vez só: o observer dá unobserve. */
.cs-page .cs-media[data-reveal] img {
  transform: scale(1.06);
  transition: transform 1.1s cubic-bezier(0.22, 1, 0.36, 1);
}
.cs-page .cs-media[data-reveal].revealed img { transform: scale(1); }

/* Microzoom de hover — só depois do reveal, para não brigar com a entrada */
@media (hover: hover) and (pointer: fine) {
  .cs-page .cs-media[data-reveal].revealed .cs-media__trigger:hover img,
  .cs-page .cs-media[data-reveal].revealed .cs-media__trigger:focus-visible img {
    transform: scale(1.025);
    transition: transform 700ms cubic-bezier(0.2, 0.8, 0.2, 1);
  }
}
@media (prefers-reduced-motion: reduce) {
  .cs-page .cs-media[data-reveal] img,
  .cs-page .cs-media[data-reveal].revealed img {
    transform: none;
    transition: none;
  }
}

/* --- Split texto | imagem (peças de social) --- */
.cs-split {
  display: grid;
  grid-template-columns: minmax(0, 35fr) minmax(0, 65fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  margin-top: var(--space-lg);
}
.cs-split__text > .section-label { display: block; }
.cs-split__text h3 {
  margin: 0.4rem 0 1rem;
  font-size: clamp(1.15rem, 2.4vw, 1.6rem);
}
.cs-split__text p { max-width: 44ch; }
.cs-split__text p + p { margin-top: 0.9rem; }
.cs-split .cs-media { margin-block: 0; }
/* Alternância: imagem à esquerda, texto à direita */
.cs-split--reverse { grid-template-columns: minmax(0, 65fr) minmax(0, 35fr); }
.cs-split--reverse .cs-split__media { order: 1; }
.cs-split--reverse .cs-split__text { order: 2; }
@media (max-width: 1024px) {
  .cs-split,
  .cs-split--reverse { grid-template-columns: minmax(0, 40fr) minmax(0, 60fr); }
}
@media (max-width: 760px) {
  .cs-split,
  .cs-split--reverse {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  /* Mobile é sempre texto → imagem */
  .cs-split--reverse .cs-split__media { order: 2; }
  .cs-split--reverse .cs-split__text { order: 1; }
  .cs-split__text p { max-width: none; }
}

/* --- Peça vertical (tela de celular) ---
   Uma captura 9:16 na largura do container ficaria com quase 2000px de altura.
   Aqui ela fica no tamanho de um aparelho de verdade, centralizada. */
.cs-media--phone {
  max-width: 400px;
  margin-inline: auto;
}

/* Split com a peça vertical à esquerda: a coluna da imagem precisa ser estreita
   o bastante para o celular não nadar em espaço vazio.
   Precisa vir DEPOIS das media queries de .cs-split acima — mesma
   especificidade, quem decide é a ordem. */
.cs-split--phone { grid-template-columns: minmax(0, 38fr) minmax(0, 62fr); }
.cs-split--phone .cs-split__media { order: 1; }
.cs-split--phone .cs-split__text { order: 2; }
@media (max-width: 1024px) {
  .cs-split--phone { grid-template-columns: minmax(0, 42fr) minmax(0, 58fr); }
}
@media (max-width: 760px) {
  .cs-split--phone { grid-template-columns: 1fr; }
  /* Mobile é sempre texto → imagem */
  .cs-split--phone .cs-split__media { order: 2; }
  .cs-split--phone .cs-split__text { order: 1; }
}

/* =============================================
   CASE STUDY — TIPOGRAFIA FLUIDA E RITMO MOBILE

   Estas regras vinham repetidas no <style> de cada página de case. Foram
   centralizadas aqui (§52) e reescritas para escalar de verdade no celular:
   as clamps antigas usavam um termo em vw que só saía do mínimo por volta de
   870px, ou seja, de 320px a 768px o título tinha SEMPRE o mesmo tamanho.
   Os valores de desktop foram preservados (§72 — refinar, não redesenhar).
   ============================================= */

/* 320px → 30px · 768px → 42px · ≥1200px → 3.3rem (idêntico ao anterior) */
.cs-page .cs-hero h1 {
  font-size: clamp(1.85rem, 1.35rem + 2.6vw, 3.3rem);
  line-height: 1.12;
  text-wrap: balance;
}
/* 320px → 22px · 768px → 29px · ≥1270px → 2.3rem (idêntico ao anterior) */
.cs-page main h2 {
  font-size: clamp(1.375rem, 1.06rem + 1.56vw, 2.3rem);
  line-height: 1.2;
  text-wrap: balance;
}
.cs-page .cs-subblock h3 {
  font-size: clamp(1.05rem, 0.94rem + 0.55vw, 1.4rem);
}
/* Ritmo dos blocos de texto (também vinha do <style> de cada página) */
.cs-page .cs-section + .cs-section { margin-top: var(--space-lg); }
.cs-page .cs-section p + p,
.cs-page .cs-subblock p + p,
.cs-page .cs-final-result p + p { margin-top: 1rem; }
.cs-page .cs-problem-callout p + p { margin-top: 0.85rem; }
.cs-page .cs-section p { max-width: 54rem; }
.cs-page .cs-final-result h3 { margin-bottom: 0.75rem; }
/* O rótulo do case não pode ficar na mesma linha do link de voltar */
.cs-page .cs-hero__back { display: flex; width: fit-content; }
.cs-page .cs-hero .section-label { display: block; }
.cs-page .cs-hero .cs-media { margin-top: 3rem; }

/* Demais textos de destaque: mesma correção do termo vw morto */
.cs-highlight { font-size: clamp(1.5rem, 1.1rem + 1.95vw, 2.85rem); }
.cs-final-result__statement { font-size: clamp(1.375rem, 1.1rem + 1.39vw, 2.35rem); }
.cs-metric__value { font-size: clamp(1.375rem, 1.075rem + 1.5vw, 2.2rem); }

/* Parágrafos longos quebram melhor quando o browser suporta (§62) */
.cs-page p,
.cs-page .cs-media__caption { text-wrap: pretty; }

/* §45 — links autônomos (não os que correm dentro de um parágrafo) precisam de
   44px de área de toque. Expandir com pseudo-elemento em vez de min-height:
   assim a assinatura sublinhada, o espaçamento dos cards e o ritmo do hero
   continuam exatamente como estão. */
.cs-hero__back,
.cs-hero__site-link,
.cs-site-cta__url,
.project-card__link {
  position: relative;
}
.cs-hero__back::before,
.cs-hero__site-link::before,
.cs-site-cta__url::before,
.project-card__link::before {
  content: '';
  position: absolute;
  left: -0.35rem;
  right: -0.35rem;
  top: 50%;
  height: 44px;
  transform: translateY(-50%);
}


/* =============================================
   CASE STUDY — MOBILE

   Breakpoint principal 768px (o mesmo do menu, §15). Nada de breakpoint novo.
   ============================================= */
@media (max-width: 768px) {
  /* §12 — 2rem fixos de cada lado comiam 20% de uma tela de 320px */
  .container { padding-inline: clamp(1.125rem, 5vw, 2rem); }

  /* §13 — as 9 seções de um case mantinham os 7rem de desktop: a página
     virava uma rolagem interminável no celular */
  .cs-hero,
  .cs-particle-section.section-pad,
  .cs-context-section.section-pad,
  .cs-surface-section.section-pad { padding-block: clamp(3.25rem, 12vw, 5rem); }

  /* §60 — hero nunca sob o header; --nav-height é medido por JS.
     Precisa de `.section-pad` junto: o seletor acima casa o hero por
     `.cs-particle-section.section-pad` (0,2,0) e venceria um `.cs-hero` sozinho. */
  .cs-hero.section-pad { padding-top: calc(var(--nav-height, 64px) + 1.75rem); }

  .cs-chapter { margin-bottom: var(--space-md); }
  .cs-subblock { margin-top: clamp(2.5rem, 9vw, 3.5rem); }
  .cs-section { margin-bottom: clamp(2.5rem, 9vw, 4rem); }
  .cs-cta { margin-top: clamp(2.75rem, 10vw, 4rem); }
  .cs-snapshot,
  .cs-snapshot-card { margin-block: var(--space-md); }
  .cs-page .cs-hero .cs-media { margin-top: var(--space-md); }

  /* §23 e §57 — stagger mais curto no mobile, senão o último item
     de um grid só aparece meio segundo depois do primeiro */
  [data-reveal-delay="1"] { transition-delay: 0.06s; }
  [data-reveal-delay="2"] { transition-delay: 0.12s; }
  [data-reveal-delay="3"] { transition-delay: 0.18s; }
  [data-reveal-delay="4"] { transition-delay: 0.24s; }
  [data-reveal-delay="5"] { transition-delay: 0.30s; }

  /* §22 — zoom-out mais discreto no toque, para não dar sensação de travamento */
  .cs-page .cs-media[data-reveal] img { transform: scale(1.025); }
}

/* --- Ficha do projeto: tabela vira lista (§14, §68) ---
   `td:first-child` tinha 130px + 2rem de padding de cada lado; em 320px
   sobravam ~60px para valores como "Direção criativa · Branding · UX/UI". */
@media (max-width: 640px) {
  .cs-snapshot table, .cs-snapshot-card table,
  .cs-snapshot tbody, .cs-snapshot-card tbody,
  .cs-snapshot tr,    .cs-snapshot-card tr,
  .cs-snapshot td,    .cs-snapshot-card td {
    display: block;
    width: auto;
  }
  .cs-snapshot tr, .cs-snapshot-card tr {
    padding: 0.85rem var(--space-sm);
    border-bottom: 1px solid var(--clr-border);
  }
  .cs-snapshot tr:last-child, .cs-snapshot-card tr:last-child { border-bottom: none; }
  .cs-snapshot td, .cs-snapshot-card td {
    padding: 0;
    border-bottom: none;
  }
  .cs-snapshot td:first-child, .cs-snapshot-card td:first-child {
    width: auto;
    white-space: normal;
    margin-bottom: 0.3rem;
    /* §10 — nada abaixo de 14px em informação essencial; o rótulo se distingue
       do valor por caixa alta, tracking e cor de acento, não por tamanho */
    font-size: var(--fs-small);
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--clr-accent);
  }

  /* Legendas e metadados: 2rem de padding lateral era muito para telas estreitas */
  .cs-media__caption,
  .cs-post__meta { padding: 0.9rem var(--space-sm) 1rem; }

  /* §61 e §39 — CTAs empilhados e do tamanho do dedo */
  .cs-cta .btn,
  .cs-site-cta .btn {
    width: 100%;
    justify-content: center;
  }

  /* Indicadores do hero: 3 cards altos com 2rem de gap ocupavam meia tela.
     Viram linhas (valor · rótulo), na mesma ordem de leitura. */
  .cs-hero__metrics { gap: 0.6rem; }
  .cs-metric {
    flex: 1 1 100%;
    min-width: 0;
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    padding: 0.85rem 1.1rem;
  }
  .cs-metric__value { flex: 0 0 auto; }
  /* o <br> do rótulo continua valendo: escondê-lo colaria as palavras
     ("Sistema visual" + "integrado"), já que não há espaço em volta dele */
}


/* =============================================
   LIGHTBOX — TOQUE, SAFE AREA E LANDSCAPE
   ============================================= */

/* §45 — os botões de zoom tinham 34px de altura */
@media (pointer: coarse) {
  .cs-lightbox__zoom button {
    min-width: 44px;
    height: 44px;
  }
  .cs-lightbox__zoom { gap: 0.4rem; }
  /* §34 — indicador de ampliar mais legível no toque */
  .cs-media__zoom { font-size: 0.72rem; padding: 0.5rem 0.85rem; }
  /* A dica fala em "roda do mouse" e "clique": sem sentido no toque. Só a
     largura (<600px) não bastava — um celular em landscape tem 812px. */
  .cs-lightbox__hint { display: none; }
}

/* A legenda é centralizada e o botão fechar fica no canto: sem esta folga
   o texto passava por baixo dele em telas estreitas (§4.12). */
@media (max-width: 700px) {
  .cs-lightbox__caption { padding-inline: 3.5rem; }
}

/* §42 — landscape de celular: legenda + barra de zoom + gaps consumiam ~130px
   dos 360px de altura e a prancha ficava ilegível. A legenda já existe abaixo
   da imagem na própria página; aqui ela sai e devolve a altura para o zoom.
   O fit() em js/cs-lightbox.js mede a legenda, então o cálculo se ajusta só. */
@media (max-height: 540px) and (orientation: landscape) {
  .cs-lightbox__caption { display: none; }
  .cs-lightbox { padding-block: max(0.5rem, env(safe-area-inset-top)) max(0.5rem, env(safe-area-inset-bottom)); }
  .cs-lightbox__figure { gap: 0.5rem; }
  .cs-lightbox__zoom { padding: 0.25rem 0.4rem; }
}


/* =============================================
   MENU MOBILE — SAFE AREA (§46)
   O drawer usa top/bottom (nunca 100vh), mas o conteúdo do rodapé do painel
   ficava sob a barra de gestos do iOS.
   ============================================= */
@media (max-width: 768px) {
  .nav__links {
    padding-right: max(1.75rem, env(safe-area-inset-right));
    padding-bottom: calc(1.5rem + env(safe-area-inset-bottom));
  }
  .nav { padding-right: max(var(--space-md), env(safe-area-inset-right)); }
}


/* =============================================
   §27 — PREFERS-REDUCED-MOTION (rede de segurança global)
   Precisa ser a última regra do arquivo para vencer o que vier antes.
   ============================================= */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}