@font-face {
  font-family: 'Playfair Display';
  font-style: normal;
  font-weight: 400 500;
  font-display: swap;
  src: url(assets/fonts/playfair-display.woff2) format('woff2');
}
@font-face {
  font-family: 'DM Sans';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url(assets/fonts/dm-sans.woff2) format('woff2');
}

:root {
  --ivory: #faf7f2;
  --ink: #141310;
  --ink-soft: #3a352f;
  --terracotta: #a4502b;
  --terracotta-dark: #8c4222;
  /* #a85c37 sobre #faf7f2 dá 4,62:1 (mínimo WCAG AA para texto é 4,5:1); a cor original (#b0603a) ficava em 4,29:1 */
  --terracotta-text: #a85c37;
  --line: rgba(176, 96, 58, .24);
  --serif: 'Playfair Display', 'Times New Roman', serif;
  --sans: 'DM Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  /* unidade da composição desktop: 1px em 1440×865; escala junto com a tela e mantém a hero inteira na primeira dobra */
  --u: clamp(.72px, min(100vw / 1440, 100svh / 865), 1.4px);
  /* centraliza a composição quando a tela é mais larga que ela; fotos seguem full-bleed */
  --edge: max(0px, (100% - 1440 * var(--u)) / 2);
  --gutter: clamp(20px, 5vw, 40px);
  --ease: cubic-bezier(.2, .7, .2, 1);
  --ease-panel: cubic-bezier(.22, 1, .36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--ivory);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p, ul, ol, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; color: var(--ink); }
h1, h2 { letter-spacing: -.01em; }

/* uma gramática de ícones: traço de 1,5px na tela em qualquer tamanho, do 15px ao 44px */
.icon { display: block; flex: none; width: 24px; height: 24px; stroke-width: 1.5; }
.icon-sprite *, .menu-toggle__line { vector-effect: non-scaling-stroke; }
.icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.sr-only {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 16px; top: -64px; z-index: 100;
  padding: 12px 18px; border-radius: 999px;
  background: var(--ink); color: var(--ivory);
}
.skip-link:focus { top: 12px; }
:focus-visible { outline: 2px solid var(--terracotta); outline-offset: 3px; }

/* ---------- Elementos base ---------- */
.eyebrow {
  display: flex;
  align-items: center;
  gap: calc(18 * var(--u));
  font: 500 max(11px, calc(12 * var(--u)))/calc(16 * var(--u)) var(--sans);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--terracotta-text);
}
.eyebrow::after { content: ""; flex: none; width: calc(56 * var(--u)); height: 1px; background: currentColor; opacity: .7; }

/* botão único do sistema: cor sólida, cantos arquitetônicos, ícone do WhatsApp + verbo; sem seta redundante */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: calc(12 * var(--u));
  height: max(48px, calc(50 * var(--u)));
  padding-inline: calc(24 * var(--u));
  border-radius: 6px;
  background: var(--terracotta);
  color: #fff8f1;
  font: 500 max(14px, calc(15 * var(--u)))/1 var(--sans);
  white-space: nowrap;
  transition: background-color .25s var(--ease), scale .12s var(--ease);
}
.btn .btn__wa { width: calc(20 * var(--u)); height: calc(20 * var(--u)); }
.btn:hover { background: var(--terracotta-dark); }
.btn:active { scale: .985; }
.btn--lg { height: max(52px, calc(56 * var(--u))); padding-inline: calc(28 * var(--u)); font-size: max(15px, calc(16 * var(--u))); }
.btn--lg .btn__wa { width: calc(22 * var(--u)); height: calc(22 * var(--u)); }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: calc(8 * var(--u));
  padding-block: calc(14 * var(--u));
  font: 500 max(14px, calc(15 * var(--u)))/calc(16 * var(--u)) var(--sans);
  color: var(--terracotta-text);
}
.text-link .icon { width: calc(15 * var(--u)); height: calc(15 * var(--u)); transition: transform .25s var(--ease); }
.text-link:hover .icon { transform: translateX(3px); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: flex-start;
  padding: calc(28 * var(--u)) calc(var(--edge) + 66 * var(--u)) 0 calc(var(--edge) + 93 * var(--u));
  border-bottom: 1px solid transparent;
  transition: padding .3s var(--ease), background-color .3s var(--ease), border-color .3s var(--ease);
}
.brand { flex: none; }
.brand img { width: auto; height: calc(97 * var(--u)); transition: height .3s var(--ease); }
.site-header__menu { display: contents; }
.nav { position: relative; display: flex; gap: calc(40 * var(--u)); margin: calc(32 * var(--u)) 0 0 calc(139 * var(--u)); transition: margin .3s var(--ease); }
.nav a { position: relative; font: 500 max(14px, calc(15 * var(--u)))/calc(24 * var(--u)) var(--sans); transition: color .2s; }
.nav a::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: calc(-4 * var(--u));
  height: 2px;
  background: var(--terracotta);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease);
}
.nav a:hover { color: var(--terracotta-dark); }
.nav a[aria-current="page"]::after, .nav a:hover::after { transform: scaleX(1); }
/* indicador único que desliza entre os links (desktop com JS); sem JS vale o sublinhado de cada link */
.nav__indicator {
  position: absolute; left: 0; bottom: calc(-4 * var(--u));
  width: 1px; height: 2px;
  background: var(--terracotta);
  transform: translateX(var(--x, 0)) scaleX(var(--w, 0));
  transform-origin: left;
  pointer-events: none;
}
.nav__indicator.is-ready { transition: transform .4s var(--ease-panel); }
@media (min-width: 1180px) { .js .nav a::after { display: none; } }
.btn--header {
  margin: calc(18 * var(--u)) 0 0 auto;
  transition: background-color .25s var(--ease), scale .12s var(--ease), margin .3s var(--ease);
}
.header-note {
  margin: calc(17 * var(--u)) 0 0 calc(30 * var(--u));
  padding-left: calc(39 * var(--u));
  border-left: 1px solid var(--line);
  font: 500 max(9px, calc(10 * var(--u)))/calc(18 * var(--u)) var(--sans);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(176, 96, 58, .5);
  transition: margin .3s var(--ease);
}
.menu-toggle { display: none; }
.site-header.is-scrolled {
  align-items: center;
  padding-top: calc(10 * var(--u));
  padding-bottom: calc(10 * var(--u));
  background: rgba(250, 247, 242, .94);
  border-bottom-color: rgba(176, 96, 58, .12);
}
.site-header.is-scrolled .brand img { height: calc(52 * var(--u)); }
.site-header.is-scrolled .nav,
.site-header.is-scrolled .btn--header,
.site-header.is-scrolled .header-note { margin-top: 0; }

/* ---------- Hero ---------- */
.hero { position: relative; background: #3a2a1e; }
.hero__stage { position: relative; height: calc(865 * var(--u)); overflow: hidden; }
.hero__media { position: absolute; inset: 0; }
.hero__media img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: 35% 50%;
}
.hero__content { position: relative; z-index: 1; padding: calc(194 * var(--u)) 0 0 calc(var(--edge) + 94 * var(--u)); }
.hero h1 { display: flex; flex-direction: column; margin-top: calc(35 * var(--u)); font-size: calc(80 * var(--u)); line-height: .91; letter-spacing: -.015em; }
.hero__lead { max-width: calc(360 * var(--u)); margin-top: calc(37 * var(--u)); font-size: max(15px, calc(21 * var(--u))); line-height: calc(29 * var(--u)); color: #2b2621; }
.btn--hero { margin-top: calc(28 * var(--u)); }
.hero__bottom {
  position: absolute; z-index: 1;
  left: calc(var(--edge) + 75 * var(--u));
  right: calc(var(--edge) + 67 * var(--u));
  bottom: calc(44 * var(--u));
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: calc(40 * var(--u));
  color: #fbf6ef;
}
.hero__benefits { display: flex; gap: calc(60 * var(--u)); }
.hero__benefits li { display: flex; align-items: center; gap: calc(11 * var(--u)); font-size: max(13px, calc(15 * var(--u))); line-height: calc(21 * var(--u)); }
.benefit-icon {
  display: grid; place-items: center;
  width: calc(58 * var(--u)); height: calc(58 * var(--u));
  border-radius: 50%;
  background: rgba(28, 20, 12, .2);
  border: 1px solid rgba(255, 246, 236, .16);
}
.benefit-icon .icon { width: calc(44 * var(--u)); height: calc(44 * var(--u)); }
.hero__note {
  display: flex;
  gap: calc(19 * var(--u));
  margin-bottom: calc(8 * var(--u));
  font: 500 max(10px, calc(11.5 * var(--u)))/calc(19.5 * var(--u)) var(--sans);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255, 250, 244, .92);
}
/* vídeo de fundo: entra por cima da foto só quando começa a tocar; a foto continua sendo o primeiro quadro (LCP) */
.hero__video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 35% 50%; opacity: 0; transition: opacity .8s var(--ease); pointer-events: none; }
.hero__video.is-playing { opacity: 1; }
.hero__note { margin-left: auto; }
.hero__note::before { content: ""; flex: none; width: calc(57 * var(--u)); height: 1px; margin-top: calc(9.5 * var(--u)); background: currentColor; opacity: .75; }

/* ---------- Processo ---------- */
.process {
  display: grid;
  grid-template-columns: 367fr 943fr;
  column-gap: calc(8 * var(--u));
  padding: calc(55 * var(--u)) calc(var(--edge) + 58 * var(--u)) calc(56 * var(--u)) calc(var(--edge) + 64 * var(--u));
}
.process__intro { padding-top: calc(38 * var(--u)); }
.process h2 { margin-top: calc(43 * var(--u)); font-size: calc(54 * var(--u)); line-height: .95; }
.process__text { margin-top: calc(40 * var(--u)); font-size: max(15px, calc(19.5 * var(--u))); line-height: calc(28.5 * var(--u)); color: var(--ink-soft); }
.process .text-link { margin-top: calc(52 * var(--u)); }
.process__steps { display: flex; gap: calc(8 * var(--u)); }
.step { flex: 1 1 0; min-width: 0; transition: flex-grow .52s var(--ease-panel); }
.step__media { height: calc(336 * var(--u)); overflow: hidden; background: #d9c7b5; }
.step__media img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.04); transition: transform .7s var(--ease-panel); }
/* assunto no terço inferior da foto: mantém no quadro quando o painel alarga */
.step__media--bottom img { object-position: 50% 88%; }
.step__body { position: relative; overflow: hidden; min-height: calc(174 * var(--u)); padding: calc(18.5 * var(--u)) calc(8 * var(--u)) 0 calc(26 * var(--u)); border-left: 1px solid var(--line); }
.step__body::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px; background: var(--terracotta); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease); }
/* ao voltar de comprimido, o texto espera o espaço abrir antes de reaparecer */
.step__body > :not(.step__num) { transition: opacity .26s var(--ease) .2s; }
/* expansão só com ponteiro preciso: em toque, hover não vira tap e nada fica escondido */
@media (min-width: 1180px) and (hover: hover) and (pointer: fine) {
  /* painel ativo (hover ou foco) cresce para ~43% da largura; os demais comprimem.
     Fases: espaço abre (0–520ms) → foto assenta (60–760ms) → linha (180–480ms) → CTA (260–520ms) */
  .step:hover, .step:focus-within { flex-grow: 2.26; }
  .step:hover .step__media img, .step:focus-within .step__media img { transform: scale(1); transition-delay: .06s; }
  .step:hover .step__body::before, .step:focus-within .step__body::before { transform: scaleX(1); transition-delay: .18s; }
  /* com um painel ativo, os comprimidos mantêm só o número; em repouso tudo fica visível */
  .process__steps:has(.step:hover, .step:focus-within) .step:not(:hover, :focus-within) .step__body > :not(.step__num) { opacity: 0; transition-duration: .2s; transition-delay: 0s; }
}
.step__num { display: block; font: 400 calc(25 * var(--u))/1 var(--serif); color: var(--terracotta); }
.step__num::after { content: ""; display: block; width: calc(25 * var(--u)); height: 1px; margin-top: calc(5.5 * var(--u)); background: currentColor; opacity: .55; }
.step h3 { margin-top: calc(12 * var(--u)); font-size: calc(26 * var(--u)); line-height: 1.1; white-space: nowrap; }
/* largura fixa: o texto não reflui enquanto o painel expande */
.step p { width: calc(190 * var(--u)); margin-top: calc(12 * var(--u)); font-size: max(13px, calc(14 * var(--u))); line-height: calc(21 * var(--u)); color: var(--ink-soft); }
.step__cta {
  display: inline-flex;
  align-items: center;
  gap: calc(10 * var(--u));
  padding-block: calc(14 * var(--u));
  font: 500 max(14px, calc(14 * var(--u)))/calc(16 * var(--u)) var(--sans);
  color: var(--terracotta-text);
}
.step__cta .icon { width: calc(14 * var(--u)); height: calc(14 * var(--u)); transition: transform .3s var(--ease); }
.step__cta:hover .icon, .step__cta:focus-visible .icon { transform: translateX(3px); }

/* ---------- Materiais ---------- */
.materials { position: relative; min-height: calc(490 * var(--u)); padding: calc(64 * var(--u)) 0 calc(35 * var(--u)); overflow: hidden; }
.materials__media img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: 0 50%;
}
.materials__content { position: relative; max-width: calc(500 * var(--u)); margin-left: 64.1%; padding-right: calc(24 * var(--u)); }
.materials h2 { margin-top: calc(17 * var(--u)); font-size: calc(56 * var(--u)); line-height: 1; }
.materials__text { margin-top: calc(30 * var(--u)); font-size: max(15px, calc(18 * var(--u))); line-height: calc(26.8 * var(--u)); color: var(--ink-soft); }
.materials__list { display: flex; gap: calc(42 * var(--u)); margin-top: calc(41 * var(--u)); }
.materials__list li { display: flex; flex-direction: column; gap: calc(10 * var(--u)); font-size: max(14px, calc(17 * var(--u))); line-height: calc(20.5 * var(--u)); color: var(--ink-soft); }
.materials__list .icon { width: calc(38 * var(--u)); height: calc(38 * var(--u)); color: var(--ink); }

/* ---------- Projetos ---------- */
/* sequência fotográfica assimétrica sobre fundo escuro: a obra é o espetáculo, a UI quase some */
.projects {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-template-rows: calc(276 * var(--u)) calc(276 * var(--u)) calc(420 * var(--u));
  gap: calc(8 * var(--u));
  padding: calc(96 * var(--u)) calc(var(--edge) + 58 * var(--u)) calc(96 * var(--u)) calc(var(--edge) + 64 * var(--u));
  background: #1c1611;
  color: var(--ivory);
}
.projects__intro { grid-column: 1 / 5; grid-row: 1 / 3; padding-top: calc(38 * var(--u)); }
.projects .eyebrow { color: #cf9470; }
.projects h2 { margin-top: calc(43 * var(--u)); font-size: calc(52 * var(--u)); line-height: .95; color: var(--ivory); }
.projects__text { max-width: calc(300 * var(--u)); margin-top: calc(32 * var(--u)); font-size: max(15px, calc(19.5 * var(--u))); line-height: calc(28.5 * var(--u)); color: rgba(250, 247, 242, .72); }
.projects__grid { display: contents; }
.work { overflow: hidden; background: #2a2119; }
.work img { width: 100%; height: 100%; object-fit: cover; }
.work--a { grid-column: 5 / 9; grid-row: 1 / 3; }
.work--b { grid-column: 9 / 13; grid-row: 1; }
.work--b img { object-position: 50% 30%; }
.work--c { grid-column: 9 / 13; grid-row: 2; }
.work--c img { object-position: 50% 40%; }
.work--d { grid-column: 1 / 7; grid-row: 3; }
.work--d img { object-position: 50% 55%; }
.work--e { grid-column: 7 / 10; grid-row: 3; }
.work--f { grid-column: 10 / 13; grid-row: 3; }

/* ---------- Contato ---------- */
.contact {
  display: grid;
  grid-template-columns: 474fr 523fr 293fr;
  padding: calc(50 * var(--u)) calc(var(--edge) + 70 * var(--u)) calc(46 * var(--u)) calc(var(--edge) + 80 * var(--u));
}
.contact h2 { margin-top: calc(21 * var(--u)); font-size: calc(50 * var(--u)); line-height: .95; }
.contact__text { margin-top: calc(16.5 * var(--u)); font-size: max(15px, calc(18 * var(--u))); line-height: calc(24 * var(--u)); color: var(--ink-soft); }
.btn--contact { margin-top: calc(24 * var(--u)); }
.contact__list { position: relative; display: flex; flex-direction: column; gap: calc(21 * var(--u)); padding: calc(32 * var(--u)) 0 0 calc(61 * var(--u)); }
.contact__list::before { content: ""; position: absolute; left: 0; top: calc(13 * var(--u)); bottom: calc(23 * var(--u)); width: 1px; background: var(--line); }
.contact__list li { display: flex; align-items: center; gap: calc(28 * var(--u)); font-size: max(14px, calc(16 * var(--u))); line-height: calc(22 * var(--u)); color: #2f2a25; }
.ring { display: grid; place-items: center; flex: none; width: calc(66 * var(--u)); height: calc(66 * var(--u)); border-radius: 50%; border: 1px solid rgba(176, 96, 58, .3); }
.ring .icon { width: calc(42 * var(--u)); height: calc(42 * var(--u)); }

/* ---------- Footer ---------- */
.site-footer {
  display: flex;
  align-items: center;
  padding: calc(24 * var(--u)) calc(var(--edge) + 65 * var(--u)) calc(45 * var(--u)) calc(var(--edge) + 82 * var(--u));
  border-top: 1px solid rgba(176, 96, 58, .14);
}
.site-footer .brand img { height: calc(98 * var(--u)); }
.site-footer__tagline { display: flex; align-items: center; gap: calc(43 * var(--u)); margin-left: calc(49 * var(--u)); font: 400 calc(22 * var(--u))/1.2 var(--serif); }
.site-footer__tagline::before { content: ""; flex: none; width: 1px; height: calc(50 * var(--u)); background: var(--line); }
.site-footer__social { display: grid; place-items: center; width: calc(44 * var(--u)); height: calc(44 * var(--u)); margin-left: auto; transition: color .2s; }
.site-footer__social .icon { width: calc(22 * var(--u)); height: calc(22 * var(--u)); }
.site-footer__social:hover { color: var(--terracotta); }
.site-footer__copy { display: flex; align-items: center; gap: calc(45 * var(--u)); margin-left: calc(29 * var(--u)); font-size: max(11.5px, calc(12.5 * var(--u))); line-height: calc(19 * var(--u)); color: #4a453f; }
.site-footer__copy::before { content: ""; flex: none; width: 1px; height: calc(50 * var(--u)); background: var(--line); }

/* ---------- Tablet e mobile: layout próprio em px ---------- */
@media (max-width: 1179px) {
  :root { --u: 1px; }
  .header-note { display: none; }
  .br-lg { display: none; }

  .site-header, .site-header.is-scrolled { align-items: center; padding: 12px var(--gutter); }
  .brand img, .site-header.is-scrolled .brand img { height: 60px; }
  .menu-toggle {
    display: grid; place-items: center;
    width: 48px; height: 48px;
    margin-left: auto;
    border: 0; border-radius: 6px;
    background: rgba(250, 247, 242, .75);
    color: var(--ink);
    cursor: pointer;
  }
  /* duas linhas que viram X: o mesmo controle muda de estado, sem trocar de ícone */
  .menu-toggle .icon { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-linecap: round; }
  .menu-toggle__line { transform-box: fill-box; transform-origin: center; transition: transform .22s var(--ease); }
  .site-header.is-open .menu-toggle__line:first-child { transform: translateY(3px) rotate(45deg); }
  .site-header.is-open .menu-toggle__line:last-child { transform: translateY(-3px) rotate(-45deg); }
  .site-header__menu {
    position: fixed; inset: 0; z-index: -1;
    display: flex;
    visibility: hidden;
    opacity: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 32px;
    padding: 120px var(--gutter) 40px;
    background: var(--ivory);
    overflow-y: auto;
  }
  .site-header.is-open { background: var(--ivory); }
  .site-header.is-open .site-header__menu { visibility: visible; opacity: 1; }
  .nav, .site-header.is-scrolled .nav { flex-direction: column; align-items: flex-start; gap: 4px; margin: 0; }
  .nav__indicator { display: none; }
  .nav a { padding: 6px 0; font: 400 34px/1.25 var(--serif); }
  .nav a::after { bottom: 4px; height: 1px; }
  .btn--header, .site-header.is-scrolled .btn--header { height: 52px; margin: 0; padding: 0 24px; }

  .hero__stage { height: auto; min-height: 780px; }
  .hero__media img { object-position: 18% 50%; }
  .hero__content { padding: 170px var(--gutter) 280px; }
  .hero h1 { font-size: clamp(50px, 6.5vw, 72px); }
  /* mesma entrega do desktop: nota e benefícios sobre a foto, nota numa linha acima */
  .hero__bottom { left: var(--gutter); right: var(--gutter); flex-direction: column-reverse; align-items: flex-start; gap: 20px; }
  .hero__note { margin: 0; }
  .hero__note br { display: none; }
  .hero__benefits { gap: 32px; }

  .process { grid-template-columns: 1fr; row-gap: 56px; padding: 72px var(--gutter); }
  .process__intro { max-width: 560px; padding-top: 0; }
  .process h2 { font-size: clamp(40px, 5.5vw, 56px); }
  .process__steps { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px 16px; }
  .step__media { height: auto; aspect-ratio: 4 / 5; }
  .step p { width: auto; }
  .step__body { min-height: 0; padding-bottom: 8px; }

  .projects { grid-template-columns: 1fr; grid-template-rows: none; row-gap: 48px; padding: 72px var(--gutter); }
  .projects__intro { grid-column: auto; grid-row: auto; max-width: 560px; padding: 0; }
  .projects h2 { font-size: clamp(40px, 5.5vw, 56px); }
  .projects__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .work { grid-column: auto; grid-row: auto; aspect-ratio: 4 / 5; }

  .materials { min-height: 0; padding: 0; }
  .materials__media { display: block; overflow: hidden; }
  .materials__media img { position: static; aspect-ratio: 16 / 9; height: auto; transform: none; }
  .materials__content { max-width: 640px; margin: 0; padding: 56px var(--gutter) 64px; }
  .materials h2 { font-size: clamp(40px, 5.5vw, 58px); }

  .contact { grid-template-columns: 1fr 1fr; gap: 56px 40px; padding: 72px var(--gutter); }
  .contact h2 { font-size: clamp(38px, 5vw, 52px); }
  .contact__list { padding: 0 0 0 40px; }
  .contact__list::before { top: 0; bottom: 0; }

  .site-footer { flex-wrap: wrap; gap: 24px 0; padding: 32px var(--gutter) 40px; }
  .site-footer__tagline { margin-left: 40px; gap: 32px; }
}

@media (max-width: 767px) {
  /* eyebrows cabem numa linha até 320px */
  .eyebrow { gap: 12px; }
  .btn--lg { height: 54px; font-size: 16px; }
  .eyebrow::after { width: 32px; }
  /* mobile: a foto fica atrás da hero inteira, como no desktop. Um véu marfim no topo mantém o texto escuro legível
     e disfarça a ampliação; embaixo a foto escurece para receber nota e benefícios em branco */
  .hero { background: var(--ivory); }
  .hero__stage { min-height: max(720px, 100svh); }
  .hero__media { overflow: hidden; }
  .hero__media::before, .hero__media::after { content: ""; position: absolute; left: 0; right: 0; z-index: 1; pointer-events: none; }
  .hero__media::before { top: 0; height: 64%; background: linear-gradient(rgba(250, 247, 242, .95), rgba(250, 247, 242, .88) 62%, rgba(250, 247, 242, 0)); }
  .hero__media::after { bottom: 0; height: 42%; background: linear-gradient(rgba(28, 20, 12, 0), rgba(28, 20, 12, .76)); }
  .hero__media img { object-position: 62% 50%; }
  .hero__content { padding: 104px var(--gutter) 0; }
  .hero h1 { font-size: clamp(44px, 13vw, 62px); line-height: .94; }
  .hero__lead { max-width: 330px; margin-top: 24px; font-size: 17px; line-height: 26px; }
  .btn--hero { width: 100%; max-width: 330px; margin-top: 28px; }
  .hero__bottom { bottom: 28px; gap: 18px; }
  .hero__note { gap: 12px; font-size: 10.5px; }
  .hero__note::before { width: 32px; }
  .hero__benefits { width: 100%; gap: 10px; }
  .hero__benefits li { flex: 1; flex-direction: column; align-items: flex-start; gap: 8px; font-size: 13px; line-height: 18px; }
  .benefit-icon { width: 44px; height: 44px; }
  .benefit-icon .icon { width: 32px; height: 32px; }

  .process { row-gap: 40px; padding-block: 64px; }
  .process .text-link { margin-top: 24px; }
  /* trilho horizontal com snap: o próximo card aparece na borda e sugere o gesto;
     snap-stop faz cada gesto avançar um card, sem arremessar a lista */
  .process__steps {
    display: flex;
    gap: 12px;
    margin-inline: calc(-1 * var(--gutter));
    padding-inline: var(--gutter);
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory;
    scroll-padding-inline: var(--gutter);
    scrollbar-width: none;
  }
  .process__steps::-webkit-scrollbar { display: none; }
  .step { flex: 0 0 84%; scroll-snap-align: start; scroll-snap-stop: always; }
  .step__cta { min-height: 48px; }
  .step h3 { font-size: 28px; }
  /* progresso do trilho: fio terracota que acompanha o próprio gesto; sem suporte, o trilho segue sem o fio */
  @supports (animation-timeline: scroll()) {
    .process { timeline-scope: --rail; }
    .process__steps { scroll-timeline: --rail x; }
    .process::after {
      content: "";
      height: 2px;
      margin-top: -16px;
      background: linear-gradient(var(--terracotta), var(--terracotta)) 0 0 / 25% 100% no-repeat, var(--line);
      animation: rail-progress linear both;
      animation-timeline: --rail;
    }
  }

  /* projetos: sequência fotográfica vertical — obras na largura toda, alturas alternadas, um par de detalhe no fim */
  .projects { padding-block: 72px; row-gap: 36px; }
  .projects__grid { gap: 8px; }
  .work { grid-column: 1 / -1; }
  .work--a { aspect-ratio: 4 / 5; }
  .work--b { aspect-ratio: 3 / 2; }
  .work--c { aspect-ratio: 1; }
  .work--d { aspect-ratio: 16 / 10; }
  .work--e, .work--f { grid-column: auto; aspect-ratio: 3 / 4; }

  /* materiais: a foto se dissolve no marfim e o texto nasce dela, como a composição do desktop */
  .materials__media { position: relative; }
  .materials__media::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 38%; background: linear-gradient(rgba(250, 247, 242, 0), var(--ivory)); }
  .materials__media img { aspect-ratio: 4 / 3; object-position: 20% 50%; }
  .materials__content { margin-top: -44px; padding-block: 0 56px; }
  .materials__list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
  .materials__list li { font-size: 14px; line-height: 19px; }

  /* contato: mais silêncio antes da decisão */
  .contact { gap: 40px; padding-block: 88px 80px; }
  .contact__list li { gap: 16px; }
  .ring { width: 56px; height: 56px; }
  .ring .icon { width: 36px; height: 36px; }
  .btn--contact { width: 100%; max-width: 330px; }
  /* de 600px para cima, texto e argumentos lado a lado (como no tablet); abaixo disso,
     os três argumentos viram uma linha de três colunas, ícone sobre texto, como em Materiais */
  @media (max-width: 599px) {
    .contact { grid-template-columns: 1fr; }
    .contact__list { flex-direction: row; gap: 12px; padding: 0; }
    .contact__list::before { display: none; }
    .contact__list li { flex: 1; flex-direction: column; align-items: flex-start; gap: 12px; font-size: 14px; line-height: 19px; }
    .ring { width: 48px; height: 48px; }
    .ring .icon { width: 32px; height: 32px; }
  }

  /* rodapé: marca e WhatsApp na mesma linha, assinatura e direitos abaixo */
  .site-footer { display: grid; grid-template-columns: 1fr auto; grid-template-areas: "brand social" "tagline tagline" "copy copy"; align-items: center; gap: 16px; }
  .site-footer .brand { grid-area: brand; }
  .site-footer .brand img { height: 72px; }
  .site-footer__tagline { grid-area: tagline; }
  .site-footer__social { grid-area: social; }
  .site-footer__copy { grid-area: copy; }
  .site-footer__tagline, .site-footer__social, .site-footer__copy { margin: 0; }
  .site-footer__social { margin-left: -11px; }
  .site-footer__tagline::before, .site-footer__copy::before { display: none; }
  .site-footer__tagline { font-size: 21px; }
}

/* ---------- Motion ---------- */
/* Uma técnica de revelação por capítulo:
   Hero = escala + máscara tipográfica · Coberturas = cortes horizontais e fotos subindo · Materiais = reenquadramento */
@media (prefers-reduced-motion: no-preference) {
  /* Hero: arquitetura (0–900ms) → contexto (180–600ms) → declaração (260–1080ms) → argumento (500–1100ms) */
  .hero__media img { animation: hero-zoom .9s var(--ease) both; }
  .hero .eyebrow { animation: fade .42s var(--ease) .18s both; }
  .hero .eyebrow::after { transform-origin: left; animation: draw .6s var(--ease-panel) .28s both; }
  /* cada linha sobe dentro da própria máscara; o respiro vertical protege acentos e descendentes */
  .hero h1 .line { overflow: hidden; padding-block: .08em .16em; margin-block: -.08em -.16em; }
  .hero h1 .line > span { display: block; animation: line-up .7s var(--ease-panel) .26s both; }
  .hero h1 .line:nth-child(2) > span { animation-delay: .32s; }
  .hero h1 .line:nth-child(3) > span { animation-delay: .38s; }
  .hero__lead, .btn--hero { animation: rise .6s var(--ease) .5s both; }

  /* fotos das coberturas sobem de baixo para cima, como a estrutura */
  .js .step__media { clip-path: inset(100% 0 0 0); transition: clip-path 1.1s var(--ease); }
  .js .step.is-visible .step__media { clip-path: inset(0); }
  .step:nth-child(2) .step__media { transition-delay: 70ms; }
  .step:nth-child(3) .step__media { transition-delay: 140ms; }
  .step:nth-child(4) .step__media { transition-delay: 210ms; }

  /* intro das coberturas abre na horizontal; a folga negativa preserva o contorno de foco */
  .js .process__intro > * { clip-path: inset(-16px 100% -16px -16px); transition: clip-path .9s var(--ease); }
  .js .process__intro.is-visible > * { clip-path: inset(-16px); }
  .process__intro > :nth-child(2) { transition-delay: 80ms; }
  .process__intro > :nth-child(3) { transition-delay: 160ms; }
  .process__intro > :nth-child(4) { transition-delay: 220ms; }

  /* materiais: o recorte fechado abre uma única vez quando a seção chega */
  .js .materials__media img { transform: translate3d(0, 2.5%, 0) scale(1.035); transition: transform 1.4s var(--ease); }
  .js .materials.is-visible .materials__media img { transform: none; }

  /* projetos: travelling lateral — cada foto desliza dentro da própria moldura até o enquadramento final.
     Nada começa invisível: a foto já está lá, só muda o enquadramento */
  .js .work img { transform: translate3d(var(--pan, -4%), 0, 0) scale(1.08); transition: transform 1s var(--ease-panel); }
  .js .work:nth-child(even) img { --pan: 4%; }
  .js .work.is-visible img { transform: none; }
  .work--b img, .work--e img { transition-delay: 80ms; }
  .work--c img, .work--f img { transition-delay: 160ms; }
}
/* mobile: mesma hierarquia, montagem mais curta (hero completa em ~820ms) e revelações sem cascata */
@media (prefers-reduced-motion: no-preference) and (max-width: 767px) {
  .hero__media img { animation-duration: .65s; }
  .hero .eyebrow { animation-duration: .3s; animation-delay: .08s; }
  .hero .eyebrow::after { animation-duration: .4s; animation-delay: .12s; }
  /* título sem máscara no mobile: a foto de fundo cobre o viewport inteiro e por isso o Chrome já a
     descarta como candidata a LCP (heurística de "fullscreen background"); o título precisa existir
     pronto no primeiro paint para assumir esse papel, em vez de ficar preso atrás da revelação */
  .hero h1 .line { overflow: visible; padding-block: 0; margin-block: 0; }
  .hero h1 .line > span { animation: none; transform: none; }
  .hero__lead, .btn--hero { animation-duration: .42s; animation-delay: .38s; }
  .js .step__media { transition-duration: .7s; }
  .js .step .step__media, .js .work img { transition-delay: 0s; }
  .js .process__intro > * { transition-duration: .6s; }
  .js .materials__media img { transition-duration: .65s; }
  .js .work img { transition-duration: .6s; }
}
/* passagem Hero → Coberturas: a foto recua (90% da rolagem, leve aproximação) e a seção seguinte assume a tela */
@media (prefers-reduced-motion: no-preference) and (min-width: 1180px) {
  .hero__media, .hero__video { transform: translate3d(0, calc(var(--hero-p, 0) * 10%), 0) scale(calc(1 + var(--hero-p, 0) * .05)); will-change: transform; }
}
/* menu mobile: extensão do header; abre em 340ms com os links em cascata, fecha em 240ms */
@media (prefers-reduced-motion: no-preference) and (max-width: 1179px) {
  .site-header__menu { transform: translateY(-8px); transition: opacity .24s var(--ease), transform .24s var(--ease), visibility 0s .24s; }
  .site-header.is-open .site-header__menu { transform: none; transition: opacity .34s var(--ease-panel), transform .34s var(--ease-panel), visibility 0s; }
  .site-header__menu .nav a, .site-header__menu .btn--header { opacity: 0; transform: translateY(-6px); transition: opacity .24s var(--ease), transform .24s var(--ease), color .2s, background-color .25s var(--ease); }
  .site-header.is-open .site-header__menu .nav a, .site-header.is-open .site-header__menu .btn--header { opacity: 1; transform: none; transition: opacity .34s var(--ease-panel) .06s, transform .34s var(--ease-panel) .06s, color .2s, background-color .25s var(--ease); }
  .site-header.is-open .site-header__menu .nav a:nth-of-type(2) { transition-delay: .1s, .1s, 0s, 0s; }
  .site-header.is-open .site-header__menu .nav a:nth-of-type(3) { transition-delay: .14s, .14s, 0s, 0s; }
  .site-header.is-open .site-header__menu .nav a:nth-of-type(4) { transition-delay: .18s, .18s, 0s, 0s; }
  .site-header.is-open .site-header__menu .nav a:nth-of-type(5) { transition-delay: .22s, .22s, 0s, 0s; }
  .site-header.is-open .site-header__menu .btn--header { transition-delay: .26s, .26s, 0s, 0s; }
}
/* toque: resposta imediata ao pressionar controles reais; nada fica "grudado" como hover */
@media (hover: none) {
  .step__cta:active, .text-link:active, .site-footer__social:active { scale: .96; }
}
@keyframes rail-progress { to { background-size: 100% 100%; } }
@keyframes hero-zoom { from { transform: scale(1.025); } }
@keyframes rise { from { opacity: 0; transform: translateY(12px); } }
@keyframes fade { from { opacity: 0; } }
@keyframes draw { from { transform: scaleX(0); } }
@keyframes line-up { from { transform: translateY(115%); } }

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
    scroll-behavior: auto !important;
  }
}