/* ============================================================
   PORTFÓLIO 3.0: navegação, abertura, cursor-guia e cenas.
   Carrega DEPOIS do style.css e só acrescenta; o que está no
   style.css (design da 2.0) não se altera aqui.
   ============================================================ */

/* ── Tokens próprios ─────────────────────────────────────── */
:root {
  --ease-fluid: cubic-bezier(.32, .72, 0, 1);
  --nav-hair: rgba(127, 127, 160, .16);
  --nav-soft: rgba(127, 127, 160, .10);
  --z-guide: 90;
  --z-menu: 150;
}

/* logótipo do header é ligação para o início */
a.logo { text-decoration: none; color: inherit; cursor: pointer; }

/* ── Header: navegação central ───────────────────────────── */
.main-nav {
  display: none;
  align-items: center;
  gap: 2px;
  margin: 0 16px;
  padding: 4px;
  border-radius: var(--r-pill);
  border: 1px solid var(--nav-hair);
  background: var(--nav-soft);
}
@media (min-width: 1240px) { .main-nav { display: flex; } }
.main-nav a {
  position: relative;
  padding: 7px 14px;
  border-radius: var(--r-pill);
  font-size: 13px; font-weight: 600; letter-spacing: .01em;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--dur-2) var(--ease-mid), background var(--dur-3) var(--ease-fluid);
}
.main-nav a:hover { color: var(--text); background: var(--nav-soft); }
.main-nav a.is-active { color: var(--text); background: var(--surface); box-shadow: inset 0 1px 0 rgba(255,255,255,.06), 0 1px 2px rgba(0,0,0,.08); }
.main-nav a.is-active::after {
  content: ""; position: absolute; left: 50%; bottom: 3px;
  width: 12px; height: 2px; border-radius: 2px;
  background: var(--gradient-h);
  transform: translateX(-50%);
}

/* botão do menu (mobile e ecrãs médios) */
.menu-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--nav-hair);
  background: var(--nav-soft);
  color: var(--text);
  cursor: pointer;
  position: relative;
  touch-action: manipulation; -webkit-tap-highlight-color: transparent;
  transition: background var(--dur-2) var(--ease-mid), transform var(--dur-2) var(--ease-out);
}
.menu-btn:active { transform: scale(.94); }
.menu-btn span {
  position: absolute; left: 11px; width: 16px; height: 1.6px; border-radius: 2px;
  background: currentColor;
  transition: transform .5s var(--ease-fluid), opacity .3s var(--ease-mid);
}
.menu-btn span:nth-child(1) { transform: translateY(-3.5px); }
.menu-btn span:nth-child(2) { transform: translateY(3.5px); }
.menu-btn.is-open span:nth-child(1) { transform: rotate(45deg); }
.menu-btn.is-open span:nth-child(2) { transform: rotate(-45deg); }
@media (min-width: 1240px) { .menu-btn { display: none; } }

/* ── Menu de ecrã inteiro ────────────────────────────────── */
.menu-overlay {
  position: fixed; inset: 0; z-index: var(--z-menu);
  display: grid; grid-template-rows: auto 1fr auto;
  padding: calc(env(safe-area-inset-top) + 88px) 24px calc(env(safe-area-inset-bottom) + 28px);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  -webkit-backdrop-filter: blur(28px) saturate(1.2); backdrop-filter: blur(28px) saturate(1.2);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity .5s var(--ease-fluid), visibility 0s linear .5s;
}
.menu-overlay.is-open { opacity: 1; visibility: visible; pointer-events: auto; transition: opacity .5s var(--ease-fluid); }
.menu-eyebrow {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--text-dim);
  opacity: 0; transform: translateY(10px);
  transition: opacity .5s var(--ease-fluid) .1s, transform .5s var(--ease-fluid) .1s;
}
.menu-overlay.is-open .menu-eyebrow { opacity: 1; transform: none; }
.menu-list { list-style: none; margin: 0; padding: 0; align-self: center; }
.menu-list li { overflow: hidden; padding: 2px 0; }
.menu-link {
  display: inline-flex; align-items: baseline; gap: 14px;
  font-family: var(--font-display);
  font-size: clamp(36px, 9vw, 64px); font-weight: 700; line-height: 1.05; letter-spacing: -.02em;
  color: var(--text); text-decoration: none;
  transform: translateY(112%);
  transition: transform .7s var(--ease-fluid), color var(--dur-2) var(--ease-mid);
}
.menu-link small { font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; color: var(--text-dim); font-weight: 400; }
.menu-link:hover { color: var(--accent); }
.menu-overlay.is-open .menu-link { transform: none; }
.menu-overlay.is-open li:nth-child(1) .menu-link { transition-delay: .08s; }
.menu-overlay.is-open li:nth-child(2) .menu-link { transition-delay: .14s; }
.menu-overlay.is-open li:nth-child(3) .menu-link { transition-delay: .20s; }
.menu-overlay.is-open li:nth-child(4) .menu-link { transition-delay: .26s; }
.menu-overlay.is-open li:nth-child(5) .menu-link { transition-delay: .32s; }
.menu-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  opacity: 0; transform: translateY(12px);
  transition: opacity .5s var(--ease-fluid) .35s, transform .5s var(--ease-fluid) .35s;
}
.menu-overlay.is-open .menu-foot { opacity: 1; transform: none; }
.menu-foot .btn-hero { font-size: 15px; }
.menu-contacts { display: flex; gap: 14px; font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); }
.menu-contacts a { color: inherit; text-decoration: none; }
body.menu-open { overflow: hidden; }
/* com o menu aberto, o header (e o botão X) fica por cima do véu */
body.menu-open .header { z-index: calc(var(--z-menu) + 1); transform: none !important; }

/* ── Botões do site (pílula com ícone aninhado) ──────────── */
.btn-hero {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 8px 8px 8px 22px;
  border-radius: var(--r-pill);
  background: var(--gradient);
  color: #fff; font-size: 14px; font-weight: 600; letter-spacing: .01em;
  text-decoration: none; border: 0; cursor: pointer;
  box-shadow: var(--shadow-btn);
  transition: transform .5s var(--ease-fluid), box-shadow .5s var(--ease-fluid), filter var(--dur-2) var(--ease-mid);
  touch-action: manipulation; -webkit-tap-highlight-color: transparent;
}
.btn-hero .btn-ic {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 50%;
  background: rgba(255,255,255,.18);
  transition: transform .5s var(--ease-fluid), background var(--dur-2) var(--ease-mid);
}
.btn-hero .btn-ic svg { width: 14px; height: 14px; stroke: #fff; }
.btn-hero:hover { transform: translateY(-2px); box-shadow: var(--shadow-btn-hover); }
.btn-hero:hover .btn-ic { transform: translate(2px, -1px) scale(1.06); background: rgba(255,255,255,.28); }
.btn-hero:active { transform: scale(.98); }
.btn-hero--ghost {
  background: var(--nav-soft); color: var(--text);
  box-shadow: inset 0 0 0 1px var(--nav-hair);
}
.btn-hero--ghost .btn-ic { background: var(--surface); }
.btn-hero--ghost .btn-ic svg { stroke: var(--text); }
.btn-hero--ghost:hover { box-shadow: inset 0 0 0 1px var(--border-hover); }

/* ── Hero: cópia (eyebrow, H1, botões) ───────────────────── */
.hero-copy { min-width: 0; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  margin: 0 0 18px;
  padding: 5px 12px; border-radius: var(--r-pill);
  border: 1px solid var(--nav-hair); background: var(--nav-soft);
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--text-muted);
}
.hero-eyebrow i {
  width: 6px; height: 6px; border-radius: 50%; background: var(--gradient);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}
.hero-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 30px; justify-content: center; }
@media (min-width: 1000px) { .hero-cta { justify-content: flex-start; } }
.hero-hint {
  display: block; margin-top: 22px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--text-dim);
}
.hero-hint::before {
  content: ""; display: inline-block; width: 22px; height: 1px; margin-right: 10px; vertical-align: middle;
  background: var(--text-dim); transform-origin: left center;
  animation: hintPulse 2.2s var(--ease-fluid) infinite;
}
@keyframes hintPulse { 0%, 100% { transform: scaleX(.4); opacity: .5; } 50% { transform: scaleX(1); opacity: 1; } }

/* H1 em linhas com máscara (spans criados pelo story.js) */
.t-line { display: block; overflow: hidden; padding-bottom: .08em; margin-bottom: -.08em; }
.t-in { display: block; }

/* ── Abertura (0 a 1,4 s): o site aparece completo, com coreografia ── */
html.sp-js:not(.sp-open) .header { transform: translate3d(0, -110%, 0); }
html.sp-opening .header { transition: transform .8s var(--ease-fluid), box-shadow var(--dur-2) var(--ease-mid); }
html.sp-js .section-hero-title .t-in { transform: translateY(112%); transition: transform .9s var(--ease-fluid); }
html.sp-open .section-hero-title .t-in { transform: none; }
html.sp-js .hero-eyebrow, html.sp-js .hero-cta, html.sp-js .hero-hint {
  opacity: 0; transform: translateY(14px);
  transition: opacity .7s var(--ease-fluid), transform .7s var(--ease-fluid);
}
html.sp-js .hero-eyebrow { transition-delay: .05s; }
html.sp-js .hero-cta { transition-delay: .55s; }
html.sp-js .hero-hint { transition-delay: .75s; }
html.sp-open .hero-eyebrow, html.sp-open .hero-cta, html.sp-open .hero-hint { opacity: 1; transform: none; }
html.sp-js .hero-scene {
  opacity: 0; transform: translateY(18px) scale(.97);
  transition: opacity 1s var(--ease-fluid) .3s, transform 1s var(--ease-fluid) .3s;
}
html.sp-open .hero-scene { opacity: 1; transform: none; }
html.sp-settled .hero-scene { transition: none; } /* daqui em diante o transform é do scroll */
@media (prefers-reduced-motion: reduce) {
  html.sp-js .header, html.sp-js .section-hero-title .t-in, html.sp-js .hero-eyebrow, html.sp-js .hero-cta, html.sp-js .hero-hint, html.sp-js .hero-scene {
    transform: none !important; opacity: 1 !important; transition: none !important;
  }
  .hero-hint::before { animation: none; }
}

/* ── Cena 0: corredor mais longo e captura real no ecrã do portátil ── */
.hero-pin-wrap.is-scrub { height: 260vh; }
/* o hero preso ocupa o ecrã inteiro: nada aparece por baixo até o punho o empurrar */
.hero-pin-wrap.is-scrub .section-header { min-height: 100vh; min-height: 100svh; box-sizing: border-box; align-content: center; padding-bottom: 40px; }
@media (max-width: 999px) { .hero-pin-wrap.is-scrub .section-header { display: grid; align-content: center; justify-items: center; } }
@media (max-width: 899px) { .hero-pin-wrap.is-scrub { height: 215vh; } }
.hero-scene { position: relative; will-change: transform; }
.hero-shot {
  position: absolute;
  left: 1.43%; top: 12.4%; width: 82.9%; height: 69.8%;
  object-fit: cover; object-position: top;
  border-radius: 0 0 6px 6px;
  opacity: 0; pointer-events: none;
  box-shadow: 0 0 0 1px rgba(184,137,42,.25);
}

/* ── Cursor-guia ─────────────────────────────────────────── */
#guide {
  position: fixed; left: 0; top: 0; z-index: var(--z-guide);
  width: 30px; height: 40px;
  pointer-events: none; opacity: 0;
  will-change: transform;
  filter: drop-shadow(0 4px 10px rgba(0,0,0,.28));
}
#guide svg { display: block; width: 100%; height: 100%; overflow: visible; }
#guide .g-arrow { fill: var(--ouro, #B8892A); stroke: #FFFBFC; stroke-width: 1.2; transition: transform .3s var(--ease-fluid), opacity .25s var(--ease-fluid); transform-origin: 4px 4px; }
html[data-theme="dark"] #guide .g-arrow { fill: #F2F4FF; stroke: #05060E; }
#guide.is-grab .g-arrow { transform: scale(.88) rotate(-8deg); }
/* punho fechado: aparece no fim da cena 0 a empurrar o hero para cima */
#guide .g-fist { opacity: 0; transform: scale(.6) translateY(6px); transform-origin: 15px 22px; transition: opacity .28s var(--ease-fluid), transform .38s var(--ease-fluid); }
#guide .g-fist-body, #guide .g-fist-thumb { fill: var(--ouro, #B8892A); stroke: #FFFBFC; stroke-width: 1.3; stroke-linejoin: round; }
#guide .g-fist-lines { fill: none; stroke: #FFFBFC; stroke-width: 1.2; stroke-linecap: round; }
html[data-theme="dark"] #guide .g-fist-body, html[data-theme="dark"] #guide .g-fist-thumb { fill: #F2F4FF; stroke: #05060E; }
html[data-theme="dark"] #guide .g-fist-lines { stroke: #05060E; }
#guide.is-fist .g-arrow { opacity: 0; transform: scale(.5); }
#guide.is-fist .g-fist { opacity: 1; transform: scale(1) translateY(0); }
#guide .g-ring { fill: none; stroke: var(--accent); stroke-width: 2; opacity: 0; transform-origin: 4px 4px; }
#guide.is-click .g-arrow { animation: gPress .32s var(--ease-fluid); }
#guide.is-click .g-ring { animation: gRing .6s var(--ease-out); }
@keyframes gPress { 0% { transform: scale(1); } 40% { transform: scale(.8); } 100% { transform: scale(1); } }
@keyframes gRing { 0% { opacity: .9; transform: scale(.2); } 100% { opacity: 0; transform: scale(2.4); } }

/* ── CTA de capítulo (aparece no fim de cada capítulo) ───── */
.chapter-cta {
  max-width: 1200px; margin: 8px auto 0; padding: 0 var(--gutter);
}
.chapter-cta-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap;
  padding: 6px 6px 6px 22px;
  border-radius: 24px;
  border: 1px solid var(--nav-hair);
  background: var(--nav-soft);
}
.chapter-cta-inner > div {
  padding: 8px 12px 8px 0;
}
.chapter-cta p { margin: 0; font-size: 15px; font-weight: 600; color: var(--text); }
.chapter-cta p small { display: block; margin-top: 3px; font-size: 12.5px; font-weight: 400; color: var(--text-muted); }
@media (max-width: 640px) {
  .chapter-cta-inner { padding: 16px; }
  .chapter-cta .btn-hero { width: 100%; justify-content: space-between; }
}

/* ── Capítulos ainda por construir (placeholders) ────────── */
.chapter-soon {
  max-width: 1200px; margin: 0 auto; padding: var(--section-y) var(--gutter);
  text-align: center;
}
.chapter-soon .eyebrow {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--text-dim);
}
.chapter-soon h2 {
  font-family: var(--font-display); font-weight: 700; letter-spacing: -.02em;
  font-size: clamp(30px, 4.6vw, 52px); margin: 12px 0 8px; color: var(--text);
}
.chapter-soon p { margin: 0; color: var(--text-muted); font-size: 14px; }

/* ── Cena 3: Laboratório de animações (zona sempre escura) ── */
.lab {
  --lab-bg: #020308; --lab-ink: #F2F4FF; --lab-muted: #9BA3C7; --lab-dim: #5C6488;
  position: relative; overflow: clip;
  background: var(--lab-bg); color: var(--lab-ink);
  margin-top: var(--section-y);
}
.lab::after { /* grão fixo ao ecrã, só decorativo */
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .045; mix-blend-mode: screen;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}
.lab-band {
  position: relative; z-index: 2;
  margin: -28px -6vw 0; padding: 12px 0;
  transform: rotate(-2.4deg);
  background: var(--gradient-h);
  color: #fff; overflow: hidden; white-space: nowrap;
  font-family: var(--font-display); font-weight: 700; font-size: clamp(16px, 2vw, 24px); letter-spacing: .06em; text-transform: uppercase;
  box-shadow: 0 10px 40px rgba(139,92,246,.25);
}
.lab-band-inner { display: inline-flex; will-change: transform; }
.lab-band-inner span { display: inline-block; padding-right: .6em; }
.lab-pin {
  min-height: 100vh; min-height: 100svh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 64px 0 28px;
}
.lab-head { max-width: 1200px; width: 100%; margin: 0 auto; padding: 0 var(--gutter) 24px; }
.lab-label {
  display: inline-flex; align-items: center; gap: 10px; margin: 0 0 18px;
  padding: 6px 12px 6px 8px; border-radius: var(--r-pill);
  border: 1px solid rgba(255,255,255,.12); background: rgba(255,255,255,.05);
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--lab-muted);
}
.lab-dot { width: 8px; height: 8px; border-radius: 50%; background: #38E1FF; box-shadow: 0 0 12px #38E1FF; animation: labBlink 2.4s ease-in-out infinite; }
@keyframes labBlink { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
.lab-title {
  margin: 0; font-family: var(--font-display); font-weight: 700; letter-spacing: -.02em; line-height: 1.02;
  font-size: clamp(32px, 4vw, 52px); color: var(--lab-ink);
}
.lab-title .ch-line { display: block; overflow: hidden; padding-bottom: .1em; margin-bottom: -.1em; }
.lab-title .ch { display: inline-block; will-change: transform; }
.lab-lead { margin: 12px 0 0; max-width: 760px; font-size: 14.5px; line-height: 1.55; color: var(--lab-muted); }
.lab-track {
  display: flex; align-items: flex-start; gap: clamp(18px, 2.4vw, 32px);
  padding: 0 max(var(--gutter), calc(50vw - 380px));
  will-change: transform;
}
/* a largura da janela nasce da altura livre do ecrã: cabeçalho + janela + legenda + pista têm de caber num ecrã preso */
.lab-card { flex: 0 0 auto; width: min(54vw, 760px, calc((100vh - 530px) * 1.6)); width: min(54vw, 760px, calc((100svh - 530px) * 1.6)); min-width: 0; transform-origin: 50% 60%; }
.lab-win {
  padding: 6px; border-radius: 20px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.10);
  box-shadow: 0 30px 80px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.08);
  transition: box-shadow .5s var(--ease-fluid), border-color .5s var(--ease-fluid);
}
.lab-card.is-center .lab-win { border-color: rgba(56,225,255,.45); box-shadow: 0 30px 90px rgba(0,0,0,.6), 0 0 0 1px rgba(56,225,255,.18), 0 0 60px rgba(139,92,246,.25); }
.lab-winbar {
  display: flex; align-items: center; gap: 6px; padding: 8px 12px 8px 10px;
  font-family: var(--font-mono); font-size: 11px; color: var(--lab-dim); letter-spacing: .04em;
}
.lab-winbar i { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,.14); }
.lab-winbar i:nth-child(1) { background: #ff5f57; } .lab-winbar i:nth-child(2) { background: #febc2e; } .lab-winbar i:nth-child(3) { background: #28c840; }
.lab-winbar span { margin-left: 10px; padding: 3px 10px; border-radius: 6px; background: rgba(255,255,255,.05); color: var(--lab-muted); }
.lab-winbar em {
  margin-left: auto; font-style: normal; display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 9px; border-radius: var(--r-pill); border: 1px solid rgba(255,255,255,.12); color: var(--lab-muted); font-size: 10px; letter-spacing: .12em; text-transform: uppercase;
}
.lab-winbar em::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--gradient-h); }
.lab-screen { position: relative; aspect-ratio: 16 / 10; overflow: hidden; border-radius: 13px; background: #0b0d1c; }
.lab-video, .lab-screen img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.lab-meta { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding: 18px 8px 0; }
.lab-meta h3 { margin: 0; font-family: var(--font-display); font-weight: 700; font-size: 20px; letter-spacing: -.01em; color: var(--lab-ink); }
.lab-meta h3 small { display: inline-block; margin-left: 10px; font-family: var(--font-mono); font-weight: 400; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--lab-dim); }
.lab-tag { margin: 6px 0 0; font-family: var(--font-mono); font-size: 12px; color: var(--lab-muted); }
.lab-open {
  flex: 0 0 auto; display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 14px; border-radius: var(--r-pill);
  border: 1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.05);
  color: var(--lab-ink); font-size: 12.5px; font-weight: 600; text-decoration: none;
  transition: background .4s var(--ease-fluid), transform .4s var(--ease-fluid), border-color .4s var(--ease-fluid);
}
.lab-open:hover { background: rgba(255,255,255,.12); border-color: rgba(56,225,255,.5); transform: translateY(-1px); }
.lab-open svg { width: 12px; height: 12px; stroke: currentColor; }
.lab-rail { width: 100%; max-width: 1200px; margin: 30px auto 0; padding: 0 var(--gutter); display: flex; align-items: center; gap: 14px; }
.lab-rail-track { position: relative; flex: 1; height: 6px; border-radius: 6px; background: rgba(255,255,255,.08); }
.lab-rail-thumb { position: absolute; left: 0; top: -5px; width: 96px; height: 16px; border-radius: 16px; background: var(--gradient-h); box-shadow: 0 4px 16px rgba(139,92,246,.45); will-change: transform; }
.lab-rail-hint { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--lab-dim); }
.lab-cta-wrap { padding: 28px 0 8px; }
@media (max-width: 899px) {
  /* cena presa como no desktop, mas uma janela de cada vez (ver .lab-solo) */
  .lab-pin { padding: 60px 0 22px; }
  .lab-head { padding-bottom: 16px; }
  .lab-title { font-size: clamp(28px, 8vw, 40px); }
  .lab-lead { font-size: 13.5px; }
  .lab-track { padding: 4px var(--gutter) 6px; gap: 14px; }
  .lab-card { width: min(82vw, calc((100svh - 470px) * 1.6)); min-width: 0; }
  .lab-win { padding: 4px; border-radius: 16px; }
  .lab-screen { border-radius: 11px; }
  .lab-meta { flex-direction: column; gap: 8px; padding-top: 10px; }
  .lab-meta h3 { font-size: 17px; }
  .lab-rail { margin-top: 18px; }
  .lab-rail-thumb { width: 64px; }
  .lab-band { margin: -20px -8vw 0; padding: 9px 0; }
  .lab-label { font-size: 9.5px; letter-spacing: .12em; line-height: 1.5; align-items: flex-start; }
  .lab-label .lab-dot { margin-top: 3px; flex: 0 0 auto; }
  .lab-winbar span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
  .lab-winbar em { white-space: nowrap; flex: 0 0 auto; }
}

/* Laboratório em mobile (classe posta pelo story.js): as janelas empilham-se
   no mesmo sítio e o scroll troca-as com um fade, uma de cada vez, maior */
.lab-solo .lab-track { display: grid; justify-items: center; align-items: start; padding: 4px var(--gutter) 6px; }
.lab-solo .lab-card { grid-area: 1 / 1; pointer-events: none; will-change: transform, opacity; }
.lab-solo .lab-card.is-center { pointer-events: auto; }

/* ── Cena 4: Vídeos walkthrough (fotos voam para dentro do ecrã e viram vídeo) ── */
.wt { position: relative; overflow: clip; margin-top: var(--section-y); }
.wt-pin { min-height: 100vh; min-height: 100svh; display: flex; flex-direction: column; justify-content: center; padding: 64px 0 24px; box-sizing: border-box; }
.wt-head { max-width: 1200px; width: 100%; margin: 0 auto; padding: 0 var(--gutter); text-align: center; }
.wt-label {
  display: inline-flex; align-items: center; gap: 10px; margin: 0 0 14px;
  padding: 5px 12px 5px 6px; border-radius: var(--r-pill); border: 1px solid var(--nav-hair); background: var(--nav-soft);
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--text-muted);
}
.wt-label b { display: inline-flex; align-items: center; justify-content: center; width: 22px; height: 22px; border-radius: 50%; background: var(--gradient); color: #fff; font-size: 10px; font-weight: 700; letter-spacing: 0; }
.wt-title { margin: 0; font-family: var(--font-display); font-weight: 700; letter-spacing: -.02em; line-height: 1.02; font-size: clamp(32px, 3.8vw, 50px); color: var(--text); }
.wt-title .t-line { padding-bottom: .1em; margin-bottom: -.1em; }
.wt-stage { position: relative; width: 100%; max-width: 1200px; margin: 20px auto 0; padding: 0 var(--gutter); }
.wt-frame {
  position: relative; z-index: 2; margin: 0 auto;
  width: min(880px, 70vw, calc((100vh - 430px) * 1.7778)); width: min(880px, 70vw, calc((100svh - 430px) * 1.7778));
  min-width: 280px;
  padding: 6px; border-radius: 22px;
  background: rgba(127,127,160,.12); border: 1px solid var(--nav-hair);
  box-shadow: 0 30px 80px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.08);
}
html[data-theme="light"] .wt-frame { box-shadow: 0 30px 70px rgba(139,47,224,.16), inset 0 1px 0 rgba(255,255,255,.5); }
.wt-screen { position: relative; aspect-ratio: 16 / 9; overflow: hidden; border-radius: 16px; background: #0b0d1c; }
.wt-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.wt-play {
  position: absolute; left: 50%; top: 50%; z-index: 3;
  width: 74px; height: 74px; margin: -37px 0 0 -37px; border-radius: 50%; border: 0; cursor: pointer;
  background: rgba(255,255,255,.14); color: #fff;
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  box-shadow: 0 0 0 1px rgba(255,255,255,.25), 0 10px 30px rgba(0,0,0,.35);
  display: flex; align-items: center; justify-content: center;
  transition: transform .4s var(--ease-fluid), background .3s var(--ease-mid), opacity .4s var(--ease-fluid);
}
.wt-play svg { width: 26px; height: 26px; fill: #fff; margin-left: 4px; }
.wt-play:hover { transform: scale(1.06); background: rgba(255,255,255,.22); }
.wt-play.is-pressed { transform: scale(.86); }
.wt-frame.is-playing .wt-play { opacity: 0; pointer-events: none; }
.wt-frame-bar { display: flex; align-items: center; justify-content: space-between; padding: 10px 10px 4px; font-family: var(--font-mono); font-size: 11px; letter-spacing: .06em; color: var(--text-muted); }
.wt-frame-bar em { font-style: normal; color: var(--text-dim); }
.wt-photos { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.wt-photo {
  position: absolute; left: 50%; top: 50%;
  width: clamp(90px, 11vw, 168px); height: auto;
  border-radius: 10px; opacity: 0;
  box-shadow: 0 18px 40px rgba(0,0,0,.35), 0 0 0 1px rgba(255,255,255,.08);
  will-change: transform;
}
.wt-foot { max-width: 760px; width: 100%; margin: 18px auto 0; padding: 0 var(--gutter); text-align: center; }
.wt-lead { margin: 0 0 18px; font-size: 15px; line-height: 1.55; color: var(--text-muted); }
.wt-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.wt-actions .btn-hero { font-size: 13.5px; }
html.sp-js .wt .wt-foot { opacity: 0; transform: translateY(16px); }
.wt-foot.is-in { opacity: 1 !important; transform: none !important; transition: opacity .7s var(--ease-fluid), transform .7s var(--ease-fluid); }
/* lightbox com som */
.wt-lightbox {
  position: fixed; inset: 0; z-index: 600; display: flex; align-items: center; justify-content: center; padding: 24px;
  background: rgba(3,4,10,.86); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
  opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .35s var(--ease-fluid), visibility 0s linear .35s;
}
.wt-lightbox.is-open { opacity: 1; visibility: visible; pointer-events: auto; transition: opacity .35s var(--ease-fluid); }
.wt-lb-inner { position: relative; width: min(1100px, 100%); border-radius: 18px; overflow: hidden; background: #000; box-shadow: 0 40px 120px rgba(0,0,0,.6); transform: scale(.96); transition: transform .45s var(--ease-fluid); }
.wt-lightbox.is-open .wt-lb-inner { transform: none; }
.wt-lb-inner video { display: block; width: 100%; aspect-ratio: 16 / 9; }
.wt-lb-close {
  position: absolute; top: 12px; right: 12px; z-index: 2; width: 40px; height: 40px; border-radius: 50%; border: 0; cursor: pointer;
  background: rgba(255,255,255,.14); color: #fff; font-size: 22px; line-height: 1;
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
}
.wt-lb-close:hover { background: rgba(255,255,255,.26); }
body.lb-open { overflow: hidden; }
@media (max-width: 899px) {
  /* mesmo scrollytelling que no desktop: cena presa, leque de fotos, cursor a carregar no play */
  .wt-pin { padding: 64px 0 16px; }
  .wt-title { font-size: clamp(30px, 8.6vw, 44px); }
  .wt-frame { width: min(100%, calc((100svh - 430px) * 1.7778)); min-width: 260px; }
  .wt-photo { width: clamp(64px, 20vw, 90px); border-radius: 7px; }
  .wt-foot { margin-top: 14px; }
  .wt-lead { font-size: 13.5px; margin-bottom: 12px; }
  .wt-label { font-size: 9.5px; letter-spacing: .12em; line-height: 1.5; text-align: left; }
}

/* ── Cena 5: Serviços (os cartões montam-se ao chegar, brilho que segue o rato) ── */
html.sp-js .services-title, html.sp-js .services-lead { opacity: 0; transform: translateY(18px); }
.services.is-in .services-title, .services.is-in .services-lead { opacity: 1; transform: none; transition: opacity .8s var(--ease-fluid), transform .8s var(--ease-fluid); }
.services.is-in .services-lead { transition-delay: .12s; }
.services.is-in .services-lead + .services-lead { transition-delay: .22s; }
html.sp-js .service-card { opacity: 0; transform: translateY(34px) scale(.96); }
.services.is-in .service-card { opacity: 1; transform: none; transition: opacity .7s var(--ease-fluid), transform .7s var(--ease-fluid), border-color var(--dur-2) var(--ease-mid), box-shadow var(--dur-2) var(--ease-mid); }
.services.is-in .service-card:nth-child(1) { transition-delay: .10s; }
.services.is-in .service-card:nth-child(2) { transition-delay: .18s; }
.services.is-in .service-card:nth-child(3) { transition-delay: .26s; }
.services.is-in .service-card:nth-child(4) { transition-delay: .34s; }
.services.is-in .service-card:nth-child(5) { transition-delay: .42s; }
.services.is-in .service-card:nth-child(6) { transition-delay: .50s; }
html.sp-js .service-ic { transform: scale(.4) rotate(-12deg); }
.services.is-in .service-ic { transform: none; transition: transform .7s cubic-bezier(.34, 1.56, .64, 1); }
.services.is-in .service-card:nth-child(1) .service-ic { transition-delay: .32s; }
.services.is-in .service-card:nth-child(2) .service-ic { transition-delay: .40s; }
.services.is-in .service-card:nth-child(3) .service-ic { transition-delay: .48s; }
.services.is-in .service-card:nth-child(4) .service-ic { transition-delay: .56s; }
.services.is-in .service-card:nth-child(5) .service-ic { transition-delay: .64s; }
.services.is-in .service-card:nth-child(6) .service-ic { transition-delay: .72s; }
.services.is-in .service-ic svg path, .services.is-in .service-ic svg circle, .services.is-in .service-ic svg rect, .services.is-in .service-ic svg line, .services.is-in .service-ic svg polyline {
  stroke-dasharray: 60; stroke-dashoffset: 60; animation: svcDraw .9s var(--ease-fluid) forwards;
}
.services.is-in .service-card:nth-child(1) .service-ic svg * { animation-delay: .45s; }
.services.is-in .service-card:nth-child(2) .service-ic svg * { animation-delay: .53s; }
.services.is-in .service-card:nth-child(3) .service-ic svg * { animation-delay: .61s; }
.services.is-in .service-card:nth-child(4) .service-ic svg * { animation-delay: .69s; }
.services.is-in .service-card:nth-child(5) .service-ic svg * { animation-delay: .77s; }
.services.is-in .service-card:nth-child(6) .service-ic svg * { animation-delay: .85s; }
@keyframes svcDraw { to { stroke-dashoffset: 0; } }
/* brilho que segue o rato (--mx/--my postos pelo story.js) e o "hover" que o cursor-guia demonstra */
.service-card { position: relative; overflow: hidden; }
.service-card::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0;
  background: radial-gradient(220px circle at var(--mx, 50%) var(--my, 50%), color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%);
  transition: opacity .4s var(--ease-fluid);
}
@media (any-hover: hover) { .service-card:hover::after { opacity: 1; } }
.service-card.is-demo { transform: translateY(-3px) !important; border-color: var(--border-hover); box-shadow: var(--shadow-hover); }
.service-card.is-demo::after { opacity: 1; }

/* ── Cena 6: Blogue (cortina sobre a imagem) ── */
html.sp-js .blogsec-title, html.sp-js .blogsec-lead { opacity: 0; transform: translateY(18px); }
.blogsec.is-in .blogsec-title, .blogsec.is-in .blogsec-lead { opacity: 1; transform: none; transition: opacity .8s var(--ease-fluid), transform .8s var(--ease-fluid); }
.blogsec.is-in .blogsec-lead { transition-delay: .1s; }
html.sp-js .blogsec-card { opacity: 0; transform: translateY(28px); }
.blogsec.is-in .blogsec-card { opacity: 1; transform: none; transition: opacity .7s var(--ease-fluid), transform .7s var(--ease-fluid), border-color var(--dur-2) var(--ease-mid); }
.blogsec.is-in .blogsec-card:nth-child(2) { transition-delay: .14s; }
.blog-media { position: relative; overflow: hidden; }
.blog-media img { transform: scale(1.1); transition: transform 1.3s var(--ease-fluid) .2s; }
.blogsec.is-in .blog-media img { transform: none; }
.blog-curtain { position: absolute; inset: 0; background: var(--gradient); transform-origin: top; transition: transform 1s var(--ease-fluid) .25s; }
.blogsec.is-in .blog-curtain { transform: scaleY(0); }
.blogsec.is-in .blogsec-card:nth-child(2) .blog-curtain { transition-delay: .4s; }
.blogsec.is-in .blogsec-card:nth-child(2) .blog-media img { transition-delay: .35s; }

/* ── Cena 7: FAQ (o cursor abre a primeira pergunta) ── */
html.sp-js .faq-title { opacity: 0; transform: translateY(18px); }
.faq.is-in .faq-title { opacity: 1; transform: none; transition: opacity .8s var(--ease-fluid), transform .8s var(--ease-fluid); }
html.sp-js .faq-item { opacity: 0; transform: translateY(16px); }
.faq.is-in .faq-item { opacity: 1; transform: none; transition: opacity .6s var(--ease-fluid), transform .6s var(--ease-fluid); }
.faq.is-in .faq-item:nth-child(2) { transition-delay: .08s; }
.faq.is-in .faq-item:nth-child(3) { transition-delay: .16s; }
.faq.is-in .faq-item:nth-child(4) { transition-delay: .24s; }
.faq.is-in .faq-item:nth-child(5) { transition-delay: .32s; }
.faq.is-in .faq-item:nth-child(6) { transition-delay: .40s; }
.faq-a { overflow: hidden; }
.faq-q.is-demo { color: var(--text-muted); }

/* ── Cena 8: O convite (anel em gradiente, cursor pousa no botão e acena) ── */
.cta-section { overflow: clip; }
.cta-ring {
  position: absolute; left: 50%; top: 50%; width: 40px; height: 40px; margin: -20px 0 0 -20px;
  border-radius: 50%; pointer-events: none; z-index: 0;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 34%, transparent) 0%, color-mix(in srgb, #FF3D8A 22%, transparent) 40%, transparent 70%);
  transform: scale(0); opacity: 0; will-change: transform, opacity;
}
html[data-theme="light"] .cta-ring { background: radial-gradient(circle, rgba(255,85,0,.20) 0%, rgba(255,40,120,.14) 40%, transparent 70%); }
.cta-inner { z-index: 1; }
html.sp-js .cta-title .t-in { transform: translateY(112%); }
html.sp-js .cta-text, html.sp-js .btn-cta { opacity: 0; transform: translateY(14px); }
.cta-section.is-in .cta-title .t-in { transform: none; transition: transform .9s var(--ease-fluid); }
.cta-section.is-in .cta-title .t-line:nth-child(2) .t-in { transition-delay: .1s; }
.cta-section.is-in .cta-text, .cta-section.is-in .btn-cta { opacity: 1; transform: none; transition: opacity .7s var(--ease-fluid) .3s, transform .7s var(--ease-fluid) .3s, box-shadow .4s var(--ease-fluid); }
.btn-cta.is-lit { box-shadow: 0 0 0 6px color-mix(in srgb, var(--accent) 22%, transparent), 0 14px 44px rgba(255,40,120,.45); transform: translateY(-2px) scale(1.04) !important; }

/* ── Intro de capítulo (uma frase clara sobre o serviço mostrado) ── */
.chapter-intro { max-width: 760px; margin: 0 auto; padding: 56px var(--gutter) 0; text-align: center; }
.chapter-intro-label {
  display: inline-flex; align-items: center; gap: 10px; margin: 0 0 14px;
  padding: 5px 12px 5px 6px; border-radius: var(--r-pill); border: 1px solid var(--nav-hair); background: var(--nav-soft);
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--text-muted);
}
.chapter-intro-label b { display: inline-flex; align-items: center; justify-content: center; width: 22px; height: 22px; border-radius: 50%; background: var(--gradient); color: #fff; font-size: 10px; font-weight: 700; letter-spacing: 0; }
.chapter-intro-text { margin: 0; font-size: 16px; line-height: 1.6; color: var(--text-muted); }
.chapter-intro-text, .lab-lead, .wt-intro { text-wrap: balance; }
.wt-intro { margin: 10px auto 0; max-width: 640px; font-size: 15px; line-height: 1.6; color: var(--text-muted); }
@media (max-width: 899px) { .chapter-intro { padding-top: 36px; } .chapter-intro-text, .wt-intro { font-size: 14.5px; } }

/* ── Cena 1 (variante em teste, só com ?oficios na URL): "Os três ofícios" ── */
.ofc { display: block; position: relative; overflow: clip; }
.ofc-pin {
  min-height: 100vh; min-height: 100svh; box-sizing: border-box;
  max-width: 1200px; margin: 0 auto; padding: 96px var(--gutter) 40px;
  display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); align-items: center; gap: 40px;
}
.ofc-label {
  display: inline-flex; align-items: center; gap: 10px; margin: 0 0 22px;
  padding: 5px 12px 5px 6px; border-radius: var(--r-pill); border: 1px solid var(--nav-hair); background: var(--nav-soft);
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--text-muted);
}
.ofc-label b { display: inline-flex; align-items: center; justify-content: center; width: 22px; height: 22px; border-radius: 50%; background: var(--gradient); color: #fff; font-size: 10px; font-weight: 700; letter-spacing: 0; }
.ofc-copy { padding-right: 24px; min-width: 0; }
.ofc-words { position: relative; height: 300px; margin-top: 78px; }
.ofc-word { position: absolute; left: 0; top: 0; width: 100%; will-change: transform, opacity; transform-origin: left center; }
.ofc-word h3 { margin: 0; font-family: var(--font-display); font-weight: 700; font-size: clamp(44px, 5.6vw, 84px); line-height: .95; letter-spacing: -.035em; color: var(--text); white-space: nowrap; }
.ofc-word h3 em { font-style: normal; background: var(--gradient); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.ofc-word p { margin: 16px 0 0; max-width: 420px; font-size: 17px; line-height: 1.5; color: var(--text-muted); }
.ofc-hint { margin: 0; font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--text-dim); }
.ofc-ring { position: relative; perspective: 1400px; }
.ofc-dev { position: absolute; left: 50%; top: 50%; will-change: transform; border-radius: 18px; padding: 6px; background: rgba(127,127,160,.14); border: 1px solid var(--nav-hair); box-shadow: 0 30px 80px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.08); }
.ofc-dev .ofc-screen { position: relative; overflow: hidden; border-radius: 12px; background: #0b0d1c; }
.ofc-dev .ofc-screen img, .ofc-dev .ofc-screen video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top; display: block; }
.ofc-dev--laptop { width: 520px; } .ofc-dev--laptop .ofc-screen { aspect-ratio: 16 / 10; }
.ofc-dev--laptop::after { content: ""; display: block; height: 10px; margin: 6px -14px -6px; border-radius: 0 0 14px 14px; background: linear-gradient(180deg, rgba(200,200,220,.35), rgba(120,120,140,.25)); }
.ofc-dev--phone { width: 186px; border-radius: 30px; } .ofc-dev--phone .ofc-screen { aspect-ratio: 9 / 19; border-radius: 24px; }
.ofc-dev--phone .ofc-screen video { object-position: center top; }
.ofc-dev--wide { width: 480px; } .ofc-dev--wide .ofc-screen { aspect-ratio: 16 / 9; }
.ofc-dev--logo { width: 300px; } .ofc-dev--logo .ofc-screen { aspect-ratio: 1; background: #FDFAF4; color: #0E4C86; display: grid; place-items: center; align-content: center; gap: 14px; }
.ofc-dev--logo .ofc-screen svg { width: 52%; height: auto; fill: currentColor; }
.ofc-dev--logo .ofc-screen b { font-family: var(--font-display); font-size: 20px; font-weight: 700; letter-spacing: .01em; }
.ofc-dev .ofc-tag { position: absolute; left: 50%; bottom: -34px; transform: translateX(-50%); white-space: nowrap; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--text-dim); }
@media (max-width: 999px) {
  /* mobile: bloco encostado ao topo (a seguir ao header), roda logo por baixo do texto */
  .ofc-pin { grid-template-columns: 1fr; gap: 0; padding-top: 112px; align-content: start; }
  .ofc-words { height: 200px; margin-top: 34px; }
  .ofc-hint { margin-top: -6px; }
  .ofc-ring { margin-top: -28px; }
  .ofc-word h3 { font-size: clamp(44px, 12vw, 64px); }
  .ofc-word p { font-size: 15px; }
  .ofc-dev--laptop { width: min(420px, 96vw); } .ofc-dev--wide { width: min(400px, 92vw); } .ofc-dev--phone { width: 156px; } .ofc-dev--logo { width: min(240px, 60vw); }
}

/* ── Ecrãs baixos (portátil pequeno, tablet deitado, telemóvel): as cenas presas têm de caber ── */
.ofc-ring { height: min(520px, calc(100svh - 300px)); min-height: 240px; }
@media (max-width: 999px) { .ofc-ring { height: min(460px, calc(100svh - 430px)); min-height: 240px; } }
@media (max-height: 780px) {
  .ofc-pin { padding-top: 72px; }
  .ofc-words { height: 200px; margin-top: 96px; }
  .ofc-word h3 { font-size: clamp(40px, 5vw, 64px); }
  .lab-pin { padding: 56px 0 14px; }
  .lab-head { padding-bottom: 12px; }
  .lab-title { font-size: clamp(24px, 3.2vw, 38px); }
  .lab-lead { font-size: 12.5px; margin-top: 8px; }
  .lab-label { margin-bottom: 10px; }
  .lab-meta { padding-top: 8px; }
  .lab-meta h3 { font-size: 16px; }
  .lab-rail { margin-top: 14px; }
  .wt-pin { padding: 56px 0 14px; }
  .wt-intro { font-size: 13.5px; margin-top: 8px; }
  .wt-foot { margin-top: 12px; }
}
@media (max-width: 480px) {
  .lab-title { font-size: clamp(26px, 7.6vw, 34px); }
  .lab-lead { font-size: 12.5px; line-height: 1.45; }
  .lab-label { font-size: 9px; }
  .ofc-words { height: 180px; margin-top: 30px; }
  .ofc-word h3 { font-size: clamp(44px, 12.5vw, 62px); }
  .ofc-word p { font-size: 15px; }
}

/* ── Header estreito: língua e tema passam para dentro do menu (o botão de contacto nunca corta) ── */
.menu-ctrl { display: none; align-items: center; gap: 10px; width: 100%; }
@media (max-width: 560px) {
  .header .theme-toggle { display: none; }
  .header .lang-btn { padding: 7px 9px; font-size: 10px; }
  .header .lang-switcher { padding: 2px; }
  .menu-ctrl { display: flex; }
  .header-nav { gap: 6px; }
  .menu-btn { width: 34px; height: 34px; }
  .menu-btn span { left: 9px; }
  .lab-winbar em { display: none; }
}

/* ── Mobile: o hero tem de caber no ecrã para o pin funcionar (fica no fim para vencer a cascata) ── */
@media (max-width: 899px) {
  .hero-hint { display: none; }
  .hero-cta { margin-top: 18px; }
  .hero-eyebrow { margin-bottom: 12px; }
  .section-header { padding-top: 88px; }
  .hero-scene { margin-top: 22px; }
}