/* =========================================================
   cardoso arquitetura — site
   is estúdio de criação
   preto e branco · linhas retas · fotografia protagonista
   tipografia oficial: uniform (miller type foundry)
   paleta: preto #010001 · areia #e7e4d9 · taupe · terracota · oliva
   ========================================================= */

/* ---------- fonte da marca: uniform / miller type foundry ---------- */
@font-face {
  font-family: "Uniform";
  src: url("../assets/fonts/uniform-light.woff2") format("woff2"),
       url("../assets/fonts/uniform-light.woff") format("woff"),
       url("../assets/fonts/uniform-light.otf") format("opentype");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Miller Type";
  src: url("../assets/fonts/uniform-light.woff2") format("woff2"),
       url("../assets/fonts/uniform-light.woff") format("woff"),
       url("../assets/fonts/uniform-light.otf") format("opentype");
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Uniform";
  src: url("../assets/fonts/uniform-regular.woff2") format("woff2"),
       url("../assets/fonts/uniform-regular.woff") format("woff"),
       url("../assets/fonts/uniform-regular.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Miller Type";
  src: url("../assets/fonts/uniform-regular.woff2") format("woff2"),
       url("../assets/fonts/uniform-regular.woff") format("woff"),
       url("../assets/fonts/uniform-regular.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Uniform";
  src: url("../assets/fonts/uniform-medium.woff2") format("woff2"),
       url("../assets/fonts/uniform-medium.woff") format("woff"),
       url("../assets/fonts/uniform-medium.otf") format("opentype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Miller Type";
  src: url("../assets/fonts/uniform-medium.woff2") format("woff2"),
       url("../assets/fonts/uniform-medium.woff") format("woff"),
       url("../assets/fonts/uniform-medium.otf") format("opentype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Uniform";
  src: url("../assets/fonts/uniform-bold.woff2") format("woff2"),
       url("../assets/fonts/uniform-bold.woff") format("woff"),
       url("../assets/fonts/uniform-bold.otf") format("opentype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Miller Type";
  src: url("../assets/fonts/uniform-bold.woff2") format("woff2"),
       url("../assets/fonts/uniform-bold.woff") format("woff"),
       url("../assets/fonts/uniform-bold.otf") format("opentype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Uniform";
  src: url("../assets/fonts/uniform-black.woff2") format("woff2"),
       url("../assets/fonts/uniform-black.woff") format("woff"),
       url("../assets/fonts/uniform-black.otf") format("opentype");
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Miller Type";
  src: url("../assets/fonts/uniform-black.woff2") format("woff2"),
       url("../assets/fonts/uniform-black.woff") format("woff"),
       url("../assets/fonts/uniform-black.otf") format("opentype");
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Uniform";
  src: url("../assets/fonts/uniform-ultra.woff2") format("woff2"),
       url("../assets/fonts/uniform-ultra.woff") format("woff"),
       url("../assets/fonts/uniform-ultra.otf") format("opentype");
  font-weight: 950;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Miller Type";
  src: url("../assets/fonts/uniform-ultra.woff2") format("woff2"),
       url("../assets/fonts/uniform-ultra.woff") format("woff"),
       url("../assets/fonts/uniform-ultra.otf") format("opentype");
  font-weight: 950;
  font-style: normal;
  font-display: swap;
}

/* ---------- reset ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

/* ---------- tokens ---------- */
:root {
  /* paleta oficial da marca */
  --preto: #0a0a0a;         /* preto da marca (pantone black 6c ≈ #010001) */
  --branco: #faf9f5;        /* branco quente — temperatura areia da marca */
  --areia: #e7e4d9;         /* areia oficial — seções de respiro e detalhes */
  --taupe: #675a4d;         /* acento terroso */
  --terracota: #7b5b45;     /* acento terroso */
  --oliva: #585b3e;         /* acento terroso */

  --cinza-01: #f1efe9;      /* areia bem clara (superfícies) */
  --cinza-02: #d8d4c8;
  --cinza-03: #8a8578;      /* cinza-areia (texto de apoio) */
  --cinza-04: #3a362f;

  --linha: rgba(10, 10, 10, 0.14);
  --linha-clara: rgba(255, 255, 255, 0.18);

  --fonte: "Uniform", "Miller Type", "Miller Type Foundry", "Helvetica Neue", Helvetica, Arial, sans-serif;

  --transicao-cor: 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  --transicao-ui: 0.35s cubic-bezier(0.22, 1, 0.36, 1);

  --header-h: clamp(74px, 8.5vw, 84px);
  --pad-x: clamp(1.25rem, 5vw, 5rem);
  --maxw: 1600px;
}

/* ---------- base ---------- */
body {
  font-family: var(--fonte);
  font-weight: 400;
  color: var(--preto);
  background: var(--branco);
  line-height: 1.5;
  text-transform: lowercase; /* regra do briefing: tudo minúsculo */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* =========================================================
   preloader / tela de carregamento autoral
   ========================================================= */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: #000000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.75s cubic-bezier(0.22, 1, 0.36, 1), visibility 0.75s cubic-bezier(0.22, 1, 0.36, 1), transform 0.75s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}

.preloader.carregado {
  opacity: 0;
  visibility: hidden;
  transform: scale(1.03);
  pointer-events: none;
}

.preloader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  max-width: 800px;
  width: 100%;
}

.preloader-logo-wrap {
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: preloaderPulse 2.2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
  will-change: transform, filter, opacity;
}

.preloader-logo {
  height: clamp(65px, 12vh, 105px);
  width: auto;
  aspect-ratio: 185 / 390;
  filter: brightness(0) invert(1);
  display: block;
}

@keyframes preloaderPulse {
  0% {
    transform: scale(0.92);
    opacity: 0.75;
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.2));
  }
  50% {
    transform: scale(1.08);
    opacity: 1;
    filter: drop-shadow(0 0 28px rgba(255, 255, 255, 0.65)) drop-shadow(0 0 45px rgba(255, 255, 255, 0.35));
  }
  100% {
    transform: scale(0.92);
    opacity: 0.75;
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.2));
  }
}

/* respeita quem prefere menos movimento */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

img,
video {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  text-transform: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

::selection {
  background: var(--preto);
  color: var(--branco);
}

/* ---------- tipografia ---------- */
h1, h2, h3, h4 {
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.display {
  font-size: clamp(2.6rem, 8vw, 7rem);
  font-weight: 200;
  letter-spacing: -0.035em;
}

.titulo-secao {
  font-size: clamp(1.6rem, 3.5vw, 2.8rem);
  font-weight: 300;
}

.sobrescrito {
  font-size: 0.72rem;
  letter-spacing: 0.32em;
  color: var(--cinza-03);
  font-weight: 400;
}

.texto {
  font-size: clamp(1rem, 1.3vw, 1.15rem);
  color: var(--cinza-04);
  max-width: 62ch;
  line-height: 1.75;
}

/* utilitário para ocultar visualmente mantendo acessível */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap; border: 0;
}

/* ---------- 2. header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--pad-x);
  background: transparent;
  transform: translateY(0);
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1),
              background 0.4s cubic-bezier(0.22, 1, 0.36, 1),
              border-color 0.4s cubic-bezier(0.22, 1, 0.36, 1),
              color 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  border-bottom: 1px solid transparent;
  color: var(--preto);
  will-change: transform, color, background-color;
}

/* header retrátil: desliza para cima ao rolar para baixo */
.site-header.oculto {
  transform: translateY(-100%);
}

/* home: header sobre o hero escuro no topo */
body.tema-hero .site-header {
  color: var(--branco);
}

.site-header.no-topo {
  background: transparent !important;
  border-bottom-color: transparent !important;
}

/* ao rolar sobre seções claras: preto no branco */
.site-header.solido.header-claro,
.site-header.solido:not(.header-escuro) {
  background: rgba(250, 249, 245, 0.92);
  backdrop-filter: saturate(140%) blur(16px);
  -webkit-backdrop-filter: saturate(140%) blur(16px);
  border-bottom-color: rgba(10, 10, 10, 0.12);
  color: #0a0a0a;
}

/* ao rolar sobre seções escuras: branco no preto */
.site-header.solido.header-escuro {
  background: rgba(8, 8, 8, 0.92);
  backdrop-filter: saturate(140%) blur(16px);
  -webkit-backdrop-filter: saturate(140%) blur(16px);
  border-bottom-color: rgba(255, 255, 255, 0.14);
  color: #faf9f5;
}

/* logo oficial: 60px por 60px com transição fluida de cor */
.marca {
  display: block;
  width: 60px;
  height: 60px;
  flex-shrink: 0;
  background-color: currentColor;
  -webkit-mask: url("../assets/brand/simbolo.svg") no-repeat center / contain;
  mask: url("../assets/brand/simbolo.svg") no-repeat center / contain;
  transition: opacity var(--transicao-ui), transform var(--transicao-ui), background-color 0.4s ease;
}
.marca:hover {
  opacity: 0.75;
  transform: scale(1.05);
}

@media (max-width: 768px) {
  .marca {
    width: 30px;
    height: 30px;
  }
}

/* navegação desktop */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: clamp(1.2rem, 2.4vw, 2.6rem);
}
.nav-desktop a {
  font-size: 0.86rem;
  letter-spacing: 0.04em;
  position: relative;
  padding: 0.2rem 0;
  opacity: 0.82;
  transition: opacity var(--transicao-ui);
}
.nav-desktop a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transicao-ui);
}
.nav-desktop a:hover { opacity: 1; }
.nav-desktop a:hover::after,
.nav-desktop a.ativo::after { transform: scaleX(1); }
.nav-desktop a.ativo { opacity: 1; }

/* controles: idioma + som + menu */
.controles {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.seletor-idioma {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
}
.seletor-idioma button {
  opacity: 0.5;
  transition: opacity var(--transicao-ui);
  padding: 0.2rem;
}
.seletor-idioma button.ativo { opacity: 1; text-decoration: underline; text-underline-offset: 3px; }
.seletor-idioma .sep { opacity: 0.35; }

/* =========================================================
   botões flutuantes fixos (spotify acima + whatsapp abaixo)
   apenas ícones, maiores, fixos no canto inferior direito
   ========================================================= */
.botoes-flutuantes-fixos {
  position: fixed;
  bottom: clamp(1.4rem, 3.5vh, 2.5rem);
  right: clamp(1.2rem, 3vw, 2.5rem);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  pointer-events: auto;
}

.btn-flutuante {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background: rgba(12, 12, 12, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 50%;
  color: #faf9f5;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  transition: transform var(--transicao-ui), background var(--transicao-ui), border-color var(--transicao-ui), box-shadow var(--transicao-ui);
}

.btn-flutuante svg {
  width: 26px;
  height: 26px;
  fill: #faf9f5;
  display: block;
  flex-shrink: 0;
  transition: transform var(--transicao-ui);
}

.btn-flutuante:hover {
  transform: translateY(-3px) scale(1.08);
  background: #000000;
  border-color: rgba(255, 255, 255, 0.5);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
}

.btn-flutuante:active {
  transform: translateY(-1px) scale(0.96);
}

@media (max-width: 640px) {
  .botoes-flutuantes-fixos {
    bottom: 1.1rem;
    right: 1.1rem;
    gap: 0.6rem;
  }
  .btn-flutuante {
    width: 46px;
    height: 46px;
  }
  .btn-flutuante svg {
    width: 22px;
    height: 22px;
  }
}

/* botão de som */
.btn-som {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  opacity: 0.85;
  transition: opacity var(--transicao-ui);
}
.btn-som:hover { opacity: 1; }
.btn-som .ondas { display: inline-flex; align-items: flex-end; gap: 2px; height: 13px; }
.btn-som .ondas i {
  width: 2px;
  height: 4px;
  background: currentColor;
  display: block;
  transition: height var(--transicao-ui);
}
.btn-som.tocando .ondas i { animation: eq 1s ease-in-out infinite; }
.btn-som.tocando .ondas i:nth-child(2) { animation-delay: 0.15s; }
.btn-som.tocando .ondas i:nth-child(3) { animation-delay: 0.3s; }
.btn-som.tocando .ondas i:nth-child(4) { animation-delay: 0.45s; }
@keyframes eq {
  0%, 100% { height: 4px; }
  50% { height: 13px; }
}
.btn-som .rotulo-som[data-estado="off"] { display: inline; }

/* menu mobile (hambúrguer) */
.btn-menu {
  display: none;
  width: 26px; height: 16px;
  position: relative;
}
.btn-menu span {
  position: absolute;
  left: 0; width: 100%; height: 1.5px;
  background: currentColor;
  transition: transform var(--transicao-ui), opacity var(--transicao-ui);
}
.btn-menu span:nth-child(1) { top: 0; }
.btn-menu span:nth-child(2) { top: 7px; }
.btn-menu span:nth-child(3) { top: 14px; }
body.menu-aberto .btn-menu span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.menu-aberto .btn-menu span:nth-child(2) { opacity: 0; }
body.menu-aberto .btn-menu span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* overlay do menu mobile */
.nav-mobile {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--preto);
  color: var(--branco);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--pad-x);
  gap: 0.4rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transicao-ui), transform var(--transicao-ui), visibility var(--transicao-ui);
}
body.menu-aberto .nav-mobile {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-mobile a {
  font-size: clamp(2rem, 9vw, 3.4rem);
  font-weight: 200;
  letter-spacing: -0.02em;
  padding: 0.35rem 0;
  opacity: 0.9;
}
.nav-mobile a.ativo { opacity: 1; }
.nav-mobile .rodape-mobile {
  margin-top: 2.4rem;
  font-size: 0.85rem;
  color: var(--cinza-03);
  letter-spacing: 0.06em;
}

/* =========================================================
   efeito P&B -> cor (coração do site)
   ========================================================= */
.midia {
  position: relative;
  overflow: hidden;
  background: var(--cinza-01);
}
.midia img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.02);
  transition: filter var(--transicao-cor), transform 1.2s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: filter, transform;
}
/* desktop: hover revela a cor */
@media (hover: hover) and (pointer: fine) {
  .midia:hover img {
    filter: grayscale(0%) contrast(1);
    transform: scale(1.03);
  }
}
/* mobile/touch: classe .revelado (via JS: toque + entrada na tela) */
.midia.revelado img {
  filter: grayscale(0%) contrast(1);
}

/* =========================================================
   home / hero
   ========================================================= */
.hero {
  position: relative;
  height: 100svh;
  min-height: 560px;
  width: 100%;
  overflow: hidden;
  background: var(--preto);
  display: flex;
  align-items: flex-end;
}
.hero-midia {
  position: absolute;
  inset: 0;
  z-index: 0;
}

/* slideshow de fotos com transição contínua e zoom sutil */
.hero-slides {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity 1.6s cubic-bezier(0.22, 1, 0.36, 1), transform 8s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
  pointer-events: none;
}

.hero-slide.ativo {
  opacity: 1;
  transform: scale(1);
  z-index: 1;
  pointer-events: auto;
}

.hero-slide img,
.hero-midia video,
.hero-fallback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-slide img {
  filter: grayscale(100%) contrast(1.06) brightness(0.85);
  transition: filter 0.8s ease;
}

/* indicadores minimalistas de barra de progresso no hero */
.hero-indicadores {
  position: absolute;
  right: var(--pad-x);
  bottom: clamp(2rem, 5vh, 3.5rem);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 4;
}

.hero-dot {
  position: relative;
  width: 28px;
  height: 2px;
  background: rgba(255, 255, 255, 0.28);
  border: none;
  padding: 0;
  cursor: pointer;
  overflow: hidden;
  transition: background 0.3s ease, width 0.3s ease;
}

.hero-dot::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: #ffffff;
}

.hero-dot.ativo {
  width: 44px;
  background: rgba(255, 255, 255, 0.35);
}

.hero-dot.ativo::after {
  width: 100%;
  transition: width 5.5s linear;
}

/* hero em p&b — coerente com o conceito; a cor vive nas obras, no toque */
.hero-video {
  filter: grayscale(100%) contrast(1.05) brightness(0.92);
}
/* fallback elegante quando não há vídeo ainda */
.hero-fallback {
  background:
    radial-gradient(120% 80% at 70% 20%, #1c1c1c 0%, #0a0a0a 60%),
    linear-gradient(180deg, #141414 0%, #050505 100%);
}
.hero-fallback::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(120% 90% at 60% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(120% 90% at 60% 30%, #000 30%, transparent 75%);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(0,0,0,0.35) 0%, rgba(0,0,0,0) 30%, rgba(0,0,0,0.55) 100%);
}
.hero-conteudo {
  position: relative;
  z-index: 2;
  color: var(--branco);
  padding: 0 var(--pad-x) clamp(3rem, 8vh, 6rem);
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
}
.hero-conteudo .sobrescrito { color: rgba(255,255,255,0.7); }
.hero-conteudo h1 { color: var(--branco); margin: 0.6rem 0 1.2rem; }

.hero-sub {
  color: rgba(255,255,255,0.78);
  font-size: clamp(1rem, 1.6vw, 1.3rem);
  font-weight: 300;
  max-width: 40ch;
}
.hero-scroll {
  position: absolute;
  z-index: 2;
  bottom: 1.6rem;
  right: var(--pad-x);
  color: rgba(255,255,255,0.7);
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.hero-scroll .traco {
  width: 40px; height: 1px; background: currentColor;
  transform-origin: left;
  animation: traco 2.4s ease-in-out infinite;
}
@keyframes traco {
  0%, 100% { transform: scaleX(0.3); opacity: 0.4; }
  50% { transform: scaleX(1); opacity: 1; }
}

/* =========================================================
   seções genéricas
   ========================================================= */
.secao {
  padding: clamp(4rem, 12vh, 9rem) var(--pad-x);
  max-width: var(--maxw);
  margin: 0 auto;
}
.secao.estreita { max-width: 1100px; }

.cabecalho-secao {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: clamp(2rem, 5vh, 3.5rem);
  padding-bottom: 1.4rem;
  border-bottom: 1px solid var(--linha);
}
.cabecalho-secao .indice {
  font-size: 0.75rem;
  letter-spacing: 0.24em;
  color: var(--cinza-03);
}

/* bloco intro (home) */
.intro {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.6rem;
}
@media (min-width: 860px) {
  .intro { grid-template-columns: 0.9fr 1.1fr; gap: 4rem; align-items: end; }
}

/* =========================================================
   grade de projetos
   ========================================================= */
.filtros {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.6rem;
  margin-bottom: 2.6rem;
}
.filtros button {
  font-size: 0.86rem;
  letter-spacing: 0.04em;
  color: var(--cinza-03);
  padding: 0.3rem 0;
  position: relative;
  transition: color var(--transicao-ui);
}
.filtros button::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--preto);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transicao-ui);
}
.filtros button:hover { color: var(--preto); }
.filtros button.ativo { color: var(--preto); }
.filtros button.ativo::after { transform: scaleX(1); }

.grade {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr));
  gap: clamp(1rem, 2.4vw, 2rem);
}
.grade.compacta {
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
}

/* grade em mosaico (estilo bernardes): 3 colunas, altura de linha fixa,
   cards de 1 ou 2 colunas — ritmo largo/quadrado. na língua cardoso:
   p&b→cor, e o nome surge numa faixa inferior no hover. */
.grade-mosaico {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: clamp(220px, 24vw, 380px);
  grid-auto-flow: dense;
  gap: clamp(0.5rem, 1vw, 1rem);
}
.grade-mosaico .card {
  position: relative;
  overflow: hidden;
  margin: 0;
  grid-column: span 1;
}
.grade-mosaico .card.largo { grid-column: span 2; }
.grade-mosaico .card .midia {
  aspect-ratio: auto;
  width: 100%;
  height: 100%;
  margin: 0;
}
.grade-mosaico .card .midia img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
/* faixa inferior com nome + categoria — surge no hover, junto com a cor */
.grade-mosaico .card-overlay {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 3;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.4rem 1.2rem 1.1rem;
  background: linear-gradient(0deg, rgba(10,10,10,0.72) 0%, rgba(10,10,10,0) 100%);
  color: var(--branco);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--transicao-ui), transform var(--transicao-ui);
  pointer-events: none;
}
.grade-mosaico .card:hover .card-overlay,
.grade-mosaico .card.revelado .card-overlay { opacity: 1; transform: translateY(0); }
.grade-mosaico .card-overlay .card-titulo { font-size: 1rem; font-weight: 400; color: var(--branco); }
.grade-mosaico .card-overlay .card-cat { font-size: 0.72rem; letter-spacing: 0.1em; color: rgba(255,255,255,0.7); white-space: nowrap; }
/* selo discreto de "obra" (cards largos, que têm página) */
.grade-mosaico .card.largo .card-overlay::before {
  content: "";
  position: absolute; left: 1.2rem; top: -1.1rem;
  width: 16px; height: 16px;
  background-color: var(--branco);
  -webkit-mask: url("../assets/brand/simbolo.svg") no-repeat center / contain;
  mask: url("../assets/brand/simbolo.svg") no-repeat center / contain;
  opacity: 0.85;
}

@media (max-width: 900px) {
  .grade-mosaico { grid-template-columns: repeat(2, 1fr); grid-auto-rows: clamp(200px, 34vw, 300px); }
  .grade-mosaico .card.largo { grid-column: span 2; }
}
@media (max-width: 560px) {
  .grade-mosaico { grid-template-columns: 1fr; grid-auto-rows: 68vw; }
  .grade-mosaico .card.largo { grid-column: span 1; }
  .grade-mosaico .card-overlay { opacity: 1; transform: none; } /* no mobile o nome fica sempre visível */
}

.card {
  display: block;
  opacity: 1;
  transition: opacity var(--transicao-ui), transform var(--transicao-ui);
}
.card.oculto {
  display: none;
}
.card .midia {
  aspect-ratio: 4 / 5;
  margin-bottom: 1rem;
}
.card.largo .midia { aspect-ratio: 16 / 10; }
.card-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}
.card-titulo {
  font-size: 1.05rem;
  font-weight: 400;
}
.card-cat {
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--cinza-03);
  white-space: nowrap;
}
.card-local {
  font-size: 0.8rem;
  color: var(--cinza-03);
  margin-top: 0.15rem;
}

/* destaque assimétrico (home) */
.destaques {
  display: grid;
  gap: clamp(1rem, 2.4vw, 2rem);
  grid-template-columns: 1fr;
}
@media (min-width: 760px) {
  .destaques { grid-template-columns: 1fr 1fr; }
  .destaques .card:first-child { grid-column: 1 / -1; }
  .destaques .card:first-child .midia { aspect-ratio: 16 / 8; }
}

/* =========================================================
   galeria de vídeos & modal player
   ========================================================= */
.grade-video {
  display: grid;
  gap: clamp(1rem, 2.4vw, 2rem);
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 440px), 1fr));
}
.video-item {
  display: block;
  cursor: pointer;
}
.video-item .midia {
  aspect-ratio: 16 / 9;
  position: relative;
  overflow: hidden;
  background: var(--preto);
}
.video-item .play {
  position: absolute;
  z-index: 3;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
}
.video-item .play span {
  width: 66px; height: 66px;
  border: 1px solid rgba(255,255,255,0.8);
  border-radius: 50%;
  display: grid;
  place-items: center;
  backdrop-filter: blur(2px);
  transition: transform var(--transicao-ui), background var(--transicao-ui);
}
.video-item .play span::before {
  content: "";
  border-left: 12px solid rgba(255,255,255,0.95);
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  margin-left: 3px;
}
.video-item:hover .play span { transform: scale(1.08); background: rgba(0,0,0,0.35); }

/* lightbox modal de vídeo */
.modal-video {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 4vw, 3rem);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.modal-video.ativo {
  opacity: 1;
  visibility: visible;
}
.modal-video-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.modal-video-box {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1100px;
  background: var(--preto);
  border: 1px solid var(--linha-clara);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
  transform: translateY(16px) scale(0.98);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.modal-video.ativo .modal-video-box {
  transform: translateY(0) scale(1);
}
.modal-video-fechar {
  position: absolute;
  top: -2.8rem;
  right: 0;
  color: var(--branco);
  font-size: 1.4rem;
  line-height: 1;
  padding: 0.4rem 0.6rem;
  cursor: pointer;
  opacity: 0.75;
  transition: opacity var(--transicao-ui), transform var(--transicao-ui);
}
.modal-video-fechar:hover {
  opacity: 1;
  transform: scale(1.15);
}
.modal-video-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
}
.modal-video-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}
.modal-video-legenda {
  padding: 0.9rem 1.2rem;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.04em;
  background: #111;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* =========================================================
   sobre
   ========================================================= */
.sobre-grid {
  display: grid;
  gap: clamp(2rem, 6vw, 5rem);
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .sobre-grid { grid-template-columns: 1fr 1fr; align-items: start; }
}
.sobre-retrato .midia { aspect-ratio: 3 / 4; }
.sobre-texto p + p { margin-top: 1.4rem; }
.lista-dados {
  margin-top: 2.6rem;
  border-top: 1px solid var(--linha);
}
.lista-dados div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--linha);
  font-size: 0.92rem;
}
.lista-dados dt { color: var(--cinza-03); letter-spacing: 0.04em; }
.lista-dados dd { text-align: right; }

/* =========================================================
   contato
   ========================================================= */
.contato-grid {
  display: grid;
  gap: clamp(2.4rem, 6vw, 5rem);
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .contato-grid { grid-template-columns: 1fr 1fr; }
}
.form-campo {
  position: relative;
  margin-bottom: 2rem;
}
.form-campo label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--cinza-03);
  margin-bottom: 0.6rem;
}
.form-campo input,
.form-campo textarea {
  width: 100%;
  font: inherit;
  text-transform: lowercase;
  font-size: 1rem;
  color: var(--preto);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--linha);
  padding: 0.5rem 0;
  transition: border-color var(--transicao-ui);
}
.form-campo input:focus,
.form-campo textarea:focus {
  outline: none;
  border-bottom-color: var(--preto);
}
.form-campo input.erro,
.form-campo textarea.erro {
  border-bottom-color: var(--terracota);
}
.form-campo textarea { resize: vertical; min-height: 120px; }

.form-acoes {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
}

.btn-enviar {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  border: 1px solid var(--preto);
  padding: 0.95rem 2rem;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  transition: background var(--transicao-ui), color var(--transicao-ui), opacity var(--transicao-ui);
}
.btn-enviar:hover { background: var(--preto); color: var(--branco); }
.btn-enviar .seta { transition: transform var(--transicao-ui); }
.btn-enviar:hover .seta { transform: translateX(4px); }
.btn-enviar:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-whats-direto {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--cinza-03);
  border-bottom: 1px solid var(--linha);
  padding-bottom: 0.2rem;
  transition: color var(--transicao-ui), border-color var(--transicao-ui);
}
.btn-whats-direto:hover {
  color: var(--preto);
  border-color: var(--preto);
}

.form-status {
  margin-top: 1.2rem;
  font-size: 0.85rem;
  color: var(--cinza-03);
  min-height: 1.2em;
  transition: color var(--transicao-ui);
}
.form-status.ok { color: var(--oliva); font-weight: 500; }
.form-status.erro { color: var(--terracota); }

.contato-canais { display: flex; flex-direction: column; }
.contato-canais a,
.contato-canais .canal {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--linha);
  align-items: baseline;
  transition: color var(--transicao-ui);
}
.contato-canais a:hover { color: var(--cinza-03); }
.contato-canais .rotulo { font-size: 0.75rem; letter-spacing: 0.14em; color: var(--cinza-03); }
.contato-canais .valor { font-size: 1.05rem; }
.contato-canais:first-child > *:first-child { border-top: 1px solid var(--linha); }

/* =========================================================
   seção "o autor" — retrato p&b que nunca ganha cor
   ========================================================= */
.secao-retrato {
  background: var(--preto);
  color: var(--branco);
  padding: clamp(4rem, 12vh, 9rem) var(--pad-x);
}
.retrato-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  gap: clamp(2rem, 6vw, 5rem);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 800px) {
  .retrato-inner { grid-template-columns: 0.75fr 1fr; }
}
.retrato-img {
  overflow: hidden;
  max-width: 440px;
  width: 100%;
}
.retrato-img img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center 30%;
  filter: grayscale(100%) contrast(1.08);
  /* permanece SEMPRE em p&b — o autor não se revela em cor */
}
.retrato-texto .display { color: var(--branco); margin: 0.8rem 0 1.5rem; }
.retrato-texto .sobrescrito { color: rgba(255,255,255,0.55); }
.retrato-frase {
  color: rgba(255,255,255,0.72);
  font-size: clamp(1.1rem, 1.9vw, 1.55rem);
  font-weight: 300;
  max-width: 32ch;
  line-height: 1.5;
  margin-bottom: 2.2rem;
}
.link-seta {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  padding-bottom: 0.35rem;
  transition: gap var(--transicao-ui);
}
.link-seta:hover { gap: 1.1rem; }
.link-seta .seta { transition: transform var(--transicao-ui); }

/* =========================================================
   páginas de projeto — "modo galeria"
   estrutura inspirada no studio mk27, na língua cardoso:
   p&b→cor, tudo minúsculo, fonte uniform, fundo escuro
   ========================================================= */
body.tema-escuro { background: var(--preto); color: rgba(255, 255, 255, 0.9); }
body.tema-escuro .site-header.solido {
  background: rgba(10, 10, 10, 0.82);
  border-bottom-color: var(--linha-clara);
  color: var(--branco);
}

.projeto {
  padding: calc(var(--header-h) + clamp(1.5rem, 4vh, 3rem)) var(--pad-x) 0;
  max-width: var(--maxw);
  margin: 0 auto;
}
.projeto-topo {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
@media (min-width: 940px) {
  .projeto-topo { grid-template-columns: minmax(0, 1.7fr) minmax(280px, 1fr); }
}

/* galeria: imagem principal + thumbnails */
.galeria-principal {
  aspect-ratio: 3 / 2;
  background: #141414;
  cursor: pointer;
}
.galeria-principal img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.03);
  transition: filter var(--transicao-cor), opacity 0.35s ease;
}
@media (hover: hover) and (pointer: fine) {
  .galeria-principal:hover img { filter: grayscale(0%); }
}
.galeria-principal.revelado img { filter: grayscale(0%); }

.galeria-thumbs { display: flex; flex-wrap: wrap; gap: 0.55rem; margin-top: 0.7rem; }
.galeria-thumbs .thumb {
  width: 80px; aspect-ratio: 4 / 3;
  overflow: hidden; opacity: 0.45;
  border: 1px solid transparent;
  transition: opacity var(--transicao-ui), border-color var(--transicao-ui);
}
.galeria-thumbs .thumb img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(100%); }
.galeria-thumbs .thumb:hover { opacity: 0.8; }
.galeria-thumbs .thumb.ativo { opacity: 1; border-color: rgba(255, 255, 255, 0.55); }

/* ficha técnica */
.projeto-ficha .indice-obra { font-size: 0.72rem; letter-spacing: 0.24em; color: var(--cinza-03); margin-bottom: 1rem; }
.projeto-ficha h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 300; color: var(--branco); margin-bottom: 0.35rem; }
.projeto-ficha .cat-obra { font-size: 0.8rem; letter-spacing: 0.14em; color: var(--cinza-03); margin-bottom: 2rem; }
.ficha .bloco { padding: 0.3rem 0; }
.ficha .linha { display: flex; gap: 0.8rem; font-size: 0.9rem; line-height: 1.45; padding: 0.32rem 0; }
.ficha .rot { color: var(--cinza-03); min-width: 42%; }
.ficha .val { color: rgba(255, 255, 255, 0.9); flex: 1; }
.ficha .val.pendente { color: var(--cinza-03); font-style: italic; }
.ficha .sep-simbolo {
  width: 18px; height: 18px; margin: 0.7rem 0;
  background-color: var(--cinza-03);
  -webkit-mask: url("../assets/brand/simbolo.svg") no-repeat center / contain;
  mask: url("../assets/brand/simbolo.svg") no-repeat center / contain;
}

/* texto do conceito */
.projeto-texto { max-width: 760px; padding: clamp(3rem, 8vh, 6rem) var(--pad-x) 0; margin: 0 auto; }
.projeto-texto .sobrescrito { color: var(--cinza-03); display: block; margin-bottom: 1.4rem; }
.projeto-texto p { font-size: clamp(1.05rem, 1.5vw, 1.2rem); line-height: 1.85; color: rgba(255, 255, 255, 0.78); font-weight: 300; }
.projeto-texto p + p { margin-top: 1.5rem; }

/* navegação entre obras */
.projeto-nav {
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem; flex-wrap: wrap;
  padding: clamp(3rem, 8vh, 6rem) var(--pad-x);
  max-width: var(--maxw); margin: clamp(3rem, 8vh, 6rem) auto 0;
  border-top: 1px solid var(--linha-clara);
}
.projeto-nav a { font-size: 0.9rem; letter-spacing: 0.05em; color: rgba(255, 255, 255, 0.82); display: inline-flex; gap: 0.5rem; align-items: center; transition: color var(--transicao-ui); }
.projeto-nav a:hover { color: var(--branco); }
.projeto-nav .central { letter-spacing: 0.2em; font-size: 0.72rem; color: var(--cinza-03); }

/* vídeos da obra (embeds youtube/vimeo) */
.projeto-videos { padding: clamp(3rem, 8vh, 6rem) var(--pad-x) 0; max-width: var(--maxw); margin: 0 auto; }
.projeto-videos .titulo-secao { color: var(--branco); }
.grade-video-proj {
  display: grid; gap: clamp(1rem, 2.4vw, 2rem); margin-top: 1.5rem;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 440px), 1fr));
}
.video-embed .video-frame {
  position: relative; aspect-ratio: 16 / 9; background: #141414; overflow: hidden;
}
.video-embed .video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-embed .video-titulo { margin-top: 0.9rem; font-size: 0.95rem; color: rgba(255, 255, 255, 0.8); }

/* =========================================================
   rodapé completo
   ========================================================= */
.site-footer {
  background: var(--preto);
  color: var(--branco);
  padding: clamp(3.5rem, 8vh, 6rem) var(--pad-x) 2.4rem;
}
.footer-inner { max-width: var(--maxw); margin: 0 auto; }
/* selo: símbolo da marca (assinatura silenciosa) */
.footer-simbolo {
  display: block;
  width: 92px;
  height: 92px;
  margin-bottom: 1.8rem;
  background-color: var(--branco);
  -webkit-mask: url("../assets/brand/simbolo.svg") no-repeat center / contain;
  mask: url("../assets/brand/simbolo.svg") no-repeat center / contain;
  opacity: 0.95;
}
.footer-top {
  display: grid;
  gap: 2.6rem;
  grid-template-columns: 1fr;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--linha-clara);
}
@media (min-width: 760px) {
  .footer-top { grid-template-columns: 1.4fr 1fr 1fr; }
}
.footer-marca .display {
  font-size: clamp(2rem, 5vw, 3.4rem);
  color: var(--branco);
  line-height: 0.95;
}
.footer-marca p {
  color: var(--cinza-03);
  margin-top: 1rem;
  max-width: 30ch;
  font-size: 0.92rem;
}
.footer-col h4 {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--cinza-03);
  margin-bottom: 1.2rem;
  font-weight: 400;
}
.footer-col a,
.footer-col p {
  display: block;
  color: rgba(255,255,255,0.85);
  font-size: 0.95rem;
  padding: 0.35rem 0;
  transition: color var(--transicao-ui);
}
.footer-col a:hover { color: var(--branco); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 2rem;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--cinza-03);
}
.footer-bottom a { color: var(--cinza-03); }
.footer-bottom a:hover { color: var(--branco); }

/* =========================================================
   animação de entrada (revelação suave)
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1), transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.visivel {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================================
   seção editorial / filmstrip carousel (acervo visual)
   ========================================================= */
.secao-filme {
  padding: clamp(3rem, 6vw, 5rem) var(--pad-x);
  background: var(--preto);
  color: var(--branco);
  overflow: hidden;
  position: relative;
}

.secao-filme .cabecalho-secao {
  border-bottom-color: rgba(255, 255, 255, 0.15);
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}
.secao-filme .titulo-secao {
  color: var(--branco);
}
.secao-filme .indice {
  color: var(--cinza-03);
}

.editorial-carousel {
  position: relative;
  width: 100%;
  min-height: clamp(540px, 72vh, 680px);
  height: clamp(540px, 72vh, 680px);
  background: #000;
  color: #fff;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  outline: none;
  border-radius: 2px;
}

.editorial-carousel:focus-visible {
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.4);
}

/* backdrop dinâmico re-colorido */
.ec-backdrop {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.ec-backdrop-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.15);
  transition: opacity 0.8s ease, transform 6s linear;
  opacity: 0.42;
  filter: grayscale(100%) contrast(110%) brightness(0.92);
}

.ec-backdrop-color {
  display: none !important;
}

.ec-backdrop-tint {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0.25) 45%, rgba(0,0,0,0.85) 100%);
}

.ec-grain {
  position: absolute;
  inset: 0;
  opacity: 0.18;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 180px 180px;
}

/* headline & facts: posicionado no topo com folga generosa */
.ec-headline-wrap {
  position: absolute;
  top: clamp(24px, 4.5vw, 44px);
  left: clamp(18px, 4vw, 44px);
  right: clamp(18px, 4vw, 44px);
  z-index: 8;
  pointer-events: none;
}

.ec-headline-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.5rem;
  width: 100%;
}

.ec-title-box {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  max-width: 65%;
}

.ec-title {
  font-family: var(--fonte-display);
  font-weight: 300;
  font-size: clamp(1.8rem, 3.8vw, 3.2rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: #fff;
  transition: opacity 0.3s ease, transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.ec-credit {
  font-family: var(--fonte-mono);
  font-size: clamp(0.68rem, 1vw, 0.78rem);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
}

.ec-meta {
  display: flex;
  align-items: center;
  gap: clamp(0.8rem, 1.8vw, 1.4rem);
  font-family: var(--fonte-mono);
  font-size: clamp(0.68rem, 0.95vw, 0.76rem);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
  margin-top: 0.4rem;
}

.ec-meta span {
  white-space: nowrap;
}

/* o filmstrip track: ancorado na base superior à régua */
.ec-strip-stage {
  position: absolute;
  inset-x: 0;
  bottom: clamp(60px, 9vh, 85px);
  height: clamp(210px, 32vh, 290px);
  z-index: 6;
  overflow: visible;
}

.ec-strip-track {
  display: flex;
  align-items: flex-end;
  gap: clamp(10px, 1.6vw, 18px);
  cursor: grab;
  will-change: transform;
  touch-action: pan-y;
  position: absolute;
  bottom: 0;
  left: 0;
}

.ec-strip-track.arrastando {
  cursor: grabbing;
}

/* card individual do filme */
.ec-card {
  position: relative;
  flex-shrink: 0;
  aspect-ratio: 3/4;
  height: clamp(100px, 15vh, 140px); /* inativo: altura menor */
  width: auto;
  border-radius: 0;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  cursor: pointer;
  padding: 0;
  transition: height 0.5s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.3s ease, box-shadow 0.3s ease;
}

.ec-card.ativo {
  height: clamp(190px, 29vh, 265px); /* ativo: expande com destaque sem invadir o texto superior */
  border-color: rgba(255, 255, 255, 0.9);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6);
  z-index: 2;
}

.ec-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 28%;
  display: block;
  pointer-events: none;
  filter: grayscale(100%);
  transition: filter 0.4s ease, transform 0.5s ease;
}

.ec-card.ativo img,
.ec-card:hover img {
  filter: grayscale(0%);
  transform: scale(1.03);
}

.ec-card-tint {
  position: absolute;
  inset: 0;
  background: #000;
  opacity: 0.35;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.ec-card.ativo .ec-card-tint {
  opacity: 0;
}

.ec-card-label {
  position: absolute;
  bottom: 0.4rem;
  left: 0.5rem;
  right: 0.5rem;
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: #fff;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  padding: 0.15rem 0.4rem;
  opacity: 0;
  transition: opacity 0.3s ease;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  pointer-events: none;
}

.ec-card.ativo .ec-card-label {
  opacity: 1;
}

/* position rail */
.ec-rail-wrap {
  position: absolute;
  left: clamp(16px, 3.5vw, 40px);
  bottom: clamp(12px, 2vw, 20px);
  width: clamp(140px, 22vw, 240px);
  z-index: 10;
  font-family: var(--fonte-mono);
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.75);
}

.ec-rail-numbers {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.4rem;
  letter-spacing: 0.1em;
}

.ec-rail-bar {
  position: relative;
  width: 100%;
  height: 1px;
  background: rgba(255, 255, 255, 0.25);
}

.ec-rail-progress {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 20%;
  background: #fff;
  transition: left 0.45s cubic-bezier(0.22, 1, 0.36, 1), width 0.3s ease;
}

.ec-botao-explorar {
  position: absolute;
  right: clamp(16px, 3.5vw, 40px);
  bottom: clamp(12px, 2vw, 20px);
  z-index: 10;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 0.45rem 1rem;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(8px);
  transition: background 0.3s, border-color 0.3s, color 0.3s;
}

.ec-botao-explorar:hover {
  background: #fff;
  color: var(--preto);
  border-color: #fff;
}

/* =========================================================
   seção 04 — túnel imersivo 3D / image stream corridor (fundo branco)
   ========================================================= */
.secao-stream {
  background: #ffffff;
  color: var(--preto);
  padding: clamp(2rem, 5vw, 4.5rem) var(--pad-x);
  overflow: hidden;
  position: relative;
}

.stream-hero-wrap {
  container-type: inline-size;
  position: relative;
  overflow: hidden;
  min-height: clamp(520px, 72vh, 680px);
  height: clamp(520px, 72vh, 680px);
  background: #ffffff;
  border: none;
  border-radius: 0;
}

.stream-corridor-3d {
  position: absolute;
  inset: 0;
  pointer-events: none;
  perspective: 30cqw;
  perspective-origin: 50% 52%;
  -webkit-mask-image: radial-gradient(ellipse 92% 88% at 50% 50%, #000000 60%, transparent 100%);
  mask-image: radial-gradient(ellipse 92% 88% at 50% 50%, #000000 60%, transparent 100%);
}

/* máscara de gradiente periférico: dissolve os cards suavemente no fundo branco */
.stream-gradient-mask {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 6;
  background:
    linear-gradient(90deg, #ffffff 0%, rgba(255,255,255,0.92) 5%, rgba(255,255,255,0) 20%, rgba(255,255,255,0) 80%, rgba(255,255,255,0.92) 95%, #ffffff 100%),
    linear-gradient(180deg, #ffffff 0%, rgba(255,255,255,0.85) 4%, rgba(255,255,255,0) 14%, rgba(255,255,255,0) 86%, rgba(255,255,255,0.85) 96%, #ffffff 100%);
}

.stream-corridor-track {
  position: absolute;
  inset: 0;
  transform-style: preserve-3d;
}

.stream-card {
  position: absolute;
  overflow: hidden;
  left: 50%;
  top: 52%;
  width: 18cqw;
  height: 25cqw;
  margin-left: -9cqw;
  margin-top: -12.5cqw;
  border-radius: 0.5cqw;
  backface-visibility: hidden;
  pointer-events: auto;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
  background: var(--cinza-01);
  border: none;
}

.stream-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.04);
  transition: filter 0.45s ease, transform 0.45s ease;
  user-select: none;
}

@media (hover: hover) and (pointer: fine) {
  .stream-card:hover img {
    filter: grayscale(0%) contrast(1);
    transform: scale(1.05);
  }
}
.stream-card.revelado img {
  filter: grayscale(0%) contrast(1);
}

.stream-card.right {
  animation: streamRight 18s linear infinite;
}

.stream-card.left {
  animation: streamLeft 18s linear infinite;
}

@media (prefers-reduced-motion: reduce) {
  .stream-card {
    animation-play-state: paused !important;
  }
}

.stream-overlay-content {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  padding: clamp(2rem, 5vw, 3.8rem) 1.5rem;
  text-align: center;
  pointer-events: none;
}

.stream-center-top {
  pointer-events: auto;
}

.stream-center-top .sobrescrito {
  color: var(--cinza-03);
  margin-bottom: 0.6rem;
}

.stream-title {
  font-family: var(--fonte-serif);
  font-size: clamp(1.9rem, 4.4vw, 3.4rem);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--preto);
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.95), 0 0 40px rgba(255, 255, 255, 0.85);
}

.stream-center-bottom {
  pointer-events: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
}

.stream-sub {
  font-size: clamp(0.85rem, 1.2vw, 0.98rem);
  color: var(--cinza-03);
  max-width: 46ch;
  line-height: 1.6;
  text-shadow: 0 0 16px rgba(255, 255, 255, 0.95);
}

.stream-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--preto);
  border-bottom: 1px solid var(--preto);
  padding-bottom: 0.25rem;
  transition: opacity var(--transicao-ui), transform var(--transicao-ui);
}

.stream-cta:hover {
  opacity: 0.65;
  transform: translateX(4px);
}

@keyframes streamRight {
  0.00% { transform: translate3d(-11.00cqw, 0, -258.46cqw) rotateY(-6.00deg); }
  4.17% { transform: translate3d(-3.79cqw, 0, -225.92cqw) rotateY(-6.92deg); }
  8.33% { transform: translate3d(2.73cqw, 0, -197.04cqw) rotateY(-7.83deg); }
  12.50% { transform: translate3d(8.60cqw, 0, -171.43cqw) rotateY(-8.75deg); }
  16.67% { transform: translate3d(13.87cqw, 0, -148.70cqw) rotateY(-9.67deg); }
  20.83% { transform: translate3d(18.56cqw, 0, -128.54cqw) rotateY(-10.58deg); }
  25.00% { transform: translate3d(22.72cqw, 0, -110.65cqw) rotateY(-11.50deg); }
  29.17% { transform: translate3d(26.37cqw, 0, -94.78cqw) rotateY(-12.42deg); }
  33.33% { transform: translate3d(29.57cqw, 0, -80.70cqw) rotateY(-13.33deg); }
  37.50% { transform: translate3d(32.34cqw, 0, -68.21cqw) rotateY(-14.25deg); }
  41.67% { transform: translate3d(34.71cqw, 0, -57.13cqw) rotateY(-15.17deg); }
  45.83% { transform: translate3d(36.73cqw, 0, -47.30cqw) rotateY(-16.08deg); }
  50.00% { transform: translate3d(38.42cqw, 0, -38.58cqw) rotateY(-17.00deg); }
  54.17% { transform: translate3d(39.81cqw, 0, -30.84cqw) rotateY(-17.92deg); }
  58.33% { transform: translate3d(40.94cqw, 0, -23.98cqw) rotateY(-18.83deg); }
  62.50% { transform: translate3d(41.84cqw, 0, -17.89cqw) rotateY(-19.75deg); }
  66.67% { transform: translate3d(42.53cqw, 0, -12.48cqw) rotateY(-20.67deg); }
  70.83% { transform: translate3d(43.06cqw, 0, -7.69cqw) rotateY(-21.58deg); }
  75.00% { transform: translate3d(43.43cqw, 0, -3.44cqw) rotateY(-22.50deg); }
  79.17% { transform: translate3d(43.69cqw, 0, 0.33cqw) rotateY(-23.42deg); }
  83.33% { transform: translate3d(43.85cqw, 0, 3.68cqw) rotateY(-24.33deg); }
  87.50% { transform: translate3d(43.94cqw, 0, 6.65cqw) rotateY(-25.25deg); }
  91.67% { transform: translate3d(43.98cqw, 0, 9.28cqw) rotateY(-26.17deg); }
  95.83% { transform: translate3d(44.00cqw, 0, 11.62cqw) rotateY(-27.08deg); }
  100.00% { transform: translate3d(44.00cqw, 0, 13.70cqw) rotateY(-28.00deg); }
}

@keyframes streamLeft {
  0.00% { transform: translate3d(11.00cqw, 0, -258.46cqw) rotateY(6.00deg); }
  4.17% { transform: translate3d(3.79cqw, 0, -225.92cqw) rotateY(6.92deg); }
  8.33% { transform: translate3d(-2.73cqw, 0, -197.04cqw) rotateY(7.83deg); }
  12.50% { transform: translate3d(-8.60cqw, 0, -171.43cqw) rotateY(8.75deg); }
  16.67% { transform: translate3d(-13.87cqw, 0, -148.70cqw) rotateY(9.67deg); }
  20.83% { transform: translate3d(-18.56cqw, 0, -128.54cqw) rotateY(10.58deg); }
  25.00% { transform: translate3d(-22.72cqw, 0, -110.65cqw) rotateY(11.50deg); }
  29.17% { transform: translate3d(-26.37cqw, 0, -94.78cqw) rotateY(12.42deg); }
  33.33% { transform: translate3d(-29.57cqw, 0, -80.70cqw) rotateY(13.33deg); }
  37.50% { transform: translate3d(-32.34cqw, 0, -68.21cqw) rotateY(14.25deg); }
  41.67% { transform: translate3d(-34.71cqw, 0, -57.13cqw) rotateY(15.17deg); }
  45.83% { transform: translate3d(-36.73cqw, 0, -47.30cqw) rotateY(16.08deg); }
  50.00% { transform: translate3d(-38.42cqw, 0, -38.58cqw) rotateY(17.00deg); }
  54.17% { transform: translate3d(-39.81cqw, 0, -30.84cqw) rotateY(17.92deg); }
  58.33% { transform: translate3d(-40.94cqw, 0, -23.98cqw) rotateY(18.83deg); }
  62.50% { transform: translate3d(-41.84cqw, 0, -17.89cqw) rotateY(19.75deg); }
  66.67% { transform: translate3d(-42.53cqw, 0, -12.48cqw) rotateY(20.67deg); }
  70.83% { transform: translate3d(-43.06cqw, 0, -7.69cqw) rotateY(21.58deg); }
  75.00% { transform: translate3d(-43.43cqw, 0, -3.44cqw) rotateY(22.50deg); }
  79.17% { transform: translate3d(-43.69cqw, 0, 0.33cqw) rotateY(23.42deg); }
  83.33% { transform: translate3d(-43.85cqw, 0, 3.68cqw) rotateY(24.33deg); }
  87.50% { transform: translate3d(-43.94cqw, 0, 6.65cqw) rotateY(25.25deg); }
  91.67% { transform: translate3d(-43.98cqw, 0, 9.28cqw) rotateY(26.17deg); }
  95.83% { transform: translate3d(-44.00cqw, 0, 11.62cqw) rotateY(27.08deg); }
  100.00% { transform: translate3d(-44.00cqw, 0, 13.70cqw) rotateY(28.00deg); }
}

/* =========================================================
   otimizações para mobile & touch
   ========================================================= */
@media (max-width: 820px) {
  :root { --header-h: 64px; }
  .nav-desktop { display: none; }
  .btn-menu { display: block; }
  .btn-som .texto-som { display: none; } /* mantém o ícone animado compacto no mobile */
  .ec-headline-inner { align-items: flex-start; }
  .ec-instrucao { display: none; }
  .stream-hero-wrap { min-height: clamp(440px, 62vh, 540px); height: clamp(440px, 62vh, 540px); }
  .stream-card {
    width: 22cqw;
    height: 30cqw;
    margin-left: -11cqw;
    margin-top: -15cqw;
    border-radius: 0.8cqw;
  }
}

@media (max-width: 640px) {
  /* toque fluido sem highlight cinza */
  * { -webkit-tap-highlight-color: transparent; }
  
  /* galeria editorial mobile */
  .editorial-carousel { min-height: clamp(500px, 70vh, 580px); height: clamp(500px, 70vh, 580px); }
  .ec-headline-wrap { top: 18px; left: 16px; right: 16px; padding: 0; }
  .ec-headline-inner { flex-direction: column; align-items: flex-start; gap: 0.35rem; }
  .ec-title-box { max-width: 100%; gap: 0.2rem; }
  .ec-title { font-size: clamp(1.4rem, 5.8vw, 2rem); }
  .ec-meta { margin-top: 0.2rem; gap: 0.5rem; font-size: 0.64rem; }
  .ec-strip-stage { bottom: 54px; height: 185px; }
  .ec-card { height: clamp(75px, 11vh, 95px); }
  .ec-card.ativo { height: clamp(145px, 22vh, 175px); }
  .ec-rail-wrap { left: 16px; bottom: 14px; width: 105px; }
  .ec-botao-explorar {
    display: inline-flex;
    right: 16px;
    bottom: 12px;
    font-size: 0.68rem;
    padding: 0.35rem 0.7rem;
    gap: 0.35rem;
  }

  /* túnel 3D corridor mobile */
  .secao-stream { padding: clamp(2rem, 5vw, 3rem) 0; }
  .stream-hero-wrap { min-height: clamp(380px, 58vh, 480px); height: clamp(380px, 58vh, 480px); }
  .stream-card {
    width: 26cqw;
    height: 36cqw;
    margin-left: -13cqw;
    margin-top: -18cqw;
    border-radius: 1.2cqw;
  }
  .stream-title { font-size: clamp(1.5rem, 6.2vw, 2.1rem); }
  .stream-sub { font-size: 0.8rem; line-height: 1.5; padding: 0 1rem; }
  .stream-overlay-content { padding: 2rem 1rem; }

  /* cabeçalhos e cards mosaico no mobile */
  .cabecalho-secao { flex-direction: column; gap: 0.5rem; align-items: flex-start; }
  .card-meta { flex-direction: column; gap: 0.15rem; }
  .card-cat { white-space: normal; }
}