/* Studio Evolution BJJ · estilo comum a todas as páginas do redesign.
   Linguagem "noite de luta": preto quente, ouro metálico, tipografia pesada em caixa-alta e rótulos em mono.
   Black é a versão padrão; Claro continua no botão da navegação. A versão vem de data-look no <html>,
   definido antes da primeira pintura. --serif ficou com o nome antigo, mas agora é a fonte de títulos. */
:root {
  color-scheme: light;
  --paper: oklch(0.985 0.002 90);
  --paper-2: oklch(0.945 0.004 85);
  --ink: oklch(0.16 0.006 70);
  --ink-2: oklch(0.38 0.008 70);
  --ink-3: oklch(0.50 0.008 70);  /* 4,5:1 ou mais sobre --paper-2, onde ficam os textos pequenos dos painéis */
  --rule: oklch(0.16 0.006 70 / 0.14);
  --gold: oklch(0.74 0.13 80);
  --gold-deep: oklch(0.58 0.12 70);
  --gold-text: oklch(0.52 0.11 70);
  --hot: oklch(0.6 0.22 28);
  --inv-bg: oklch(0.12 0.005 70);
  --inv-fg: oklch(0.97 0.004 85);
  --inv-fg-2: oklch(0.78 0.008 80);
  --inv-rule: oklch(1 0 0 / 0.14);
  --inv-accent: oklch(0.82 0.13 84);
  --btn-bg: oklch(0.16 0.006 70);
  --btn-fg: oklch(0.985 0.002 90);
  --btn-hover: oklch(0.74 0.13 80);
  --btn-hover-fg: oklch(0.12 0.005 70);
  --btn-glow: 0 14px 34px -16px oklch(0.16 0.006 70 / 0.55);
  --glass: color-mix(in oklch, white 80%, transparent);
  --field: white;
  /* verde e laranja escuros o bastante para texto de 11 px (pílulas de status) no fundo claro */
  --ok: oklch(0.45 0.13 150);
  --warn: oklch(0.48 0.16 40);
  --wa: oklch(0.72 0.17 150);
  --dim-color: oklch(0.1 0.005 75);
  --shadow-lg: 0 40px 80px -40px oklch(0.15 0.02 70 / 0.45), 0 12px 24px -16px oklch(0.15 0.02 70 / 0.25);
  --grain-op: 0.06;
  --grain-blend: multiply;
  /* ouro metálico: no papel claro, um ouro mais escuro (o brilho claro apagava letras); no escuro, o ouro aceso */
  --gold-metal: linear-gradient(100deg, oklch(0.45 0.1 68) 0%, oklch(0.56 0.12 72) 26%, oklch(0.66 0.13 80) 46%, oklch(0.56 0.12 72) 62%, oklch(0.45 0.1 68) 100%);
  --gold-metal-lit: linear-gradient(100deg, oklch(0.62 0.12 72) 0%, oklch(0.82 0.13 84) 26%, oklch(0.96 0.07 92) 46%, oklch(0.82 0.13 84) 62%, oklch(0.62 0.12 72) 100%);
  --cta-bg: linear-gradient(115deg, oklch(0.7 0.12 76) 0%, oklch(0.85 0.13 87) 46%, oklch(0.74 0.125 80) 100%);
  --cta-fg: oklch(0.13 0.005 70);
  --logo-fill: linear-gradient(110deg, var(--ink) 0%, var(--ink) 42%, var(--gold) 50%, var(--ink) 58%, var(--ink) 100%);
  --logo-bjj: var(--gold-deep);
  --serif: "Archivo Black", "Arial Black", "Helvetica Neue", Impact, sans-serif;
  --sans: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --mincho: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --gut: max(clamp(20px, 4vw, 64px), env(safe-area-inset-left, 0px));
  --gut-r: max(clamp(20px, 4vw, 64px), env(safe-area-inset-right, 0px));
  /* capítulos de cinema: sempre escuros, nas duas versões */
  --cine-bg: oklch(0.11 0.004 70);
  --cine-bg-2: oklch(0.165 0.005 70);
  --cine-fg: oklch(0.97 0.004 85);
  --cine-fg-2: oklch(0.8 0.008 80);
  --cine-fg-3: oklch(0.62 0.009 80);
  --cine-rule: oklch(1 0 0 / 0.12);
  --cine-gold: oklch(0.83 0.13 84);
  /* ouro da logo oficial: claro em cima, queimado embaixo; o brilho diagonal só passa na animação */
  --logo-gold: linear-gradient(180deg, #fff1b3 0%, #efcc76 50%, #b98b35 100%);
  --cine-logo: linear-gradient(110deg, transparent 0% 42%, oklch(1 0.03 95 / 0.85) 50%, transparent 58% 100%), var(--logo-gold);
  --cine-bjj: #f7f7f7;
}
:root[data-look="black"] {
  color-scheme: dark;
  --paper: oklch(0.145 0.005 70);
  --paper-2: oklch(0.19 0.006 70);
  --ink: oklch(0.97 0.004 85);
  --ink-2: oklch(0.79 0.008 80);
  --ink-3: oklch(0.6 0.009 80);
  --rule: oklch(1 0 0 / 0.11);
  --gold: oklch(0.82 0.13 84);
  --gold-deep: oklch(0.62 0.12 72);
  --gold-text: oklch(0.85 0.12 86);
  --inv-bg: oklch(0.97 0.004 85);
  --inv-fg: oklch(0.14 0.005 70);
  --inv-fg-2: oklch(0.4 0.008 70);
  --inv-rule: oklch(0.14 0.005 70 / 0.16);
  --inv-accent: oklch(0.52 0.11 70);
  --btn-bg: oklch(0.82 0.13 84);
  --btn-fg: oklch(0.13 0.005 70);
  --btn-hover: oklch(0.97 0.004 85);
  --btn-hover-fg: oklch(0.13 0.005 70);
  --btn-glow: 0 0 0 1px oklch(0.82 0.13 84 / 0.35), 0 18px 44px -14px oklch(0.82 0.13 84 / 0.5);
  --glass: color-mix(in oklch, oklch(0.2 0.006 70) 78%, transparent);
  --field: oklch(0.19 0.006 70);
  --ok: oklch(0.76 0.16 150);
  --warn: oklch(0.76 0.14 52);
  --shadow-lg: 0 50px 90px -40px oklch(0 0 0 / 0.9), 0 16px 30px -18px oklch(0 0 0 / 0.65);
  --grain-op: 0.08;
  --grain-blend: overlay;
  --gold-metal: var(--gold-metal-lit);
  --logo-fill: var(--cine-logo); --logo-bjj: var(--cine-bjj);
}

/* base */
* { box-sizing: border-box; }
html { background: var(--paper); scroll-padding-top: calc(88px + env(safe-area-inset-top, 0px)); scroll-padding-bottom: 24px; }  /* o item focado com Tab nunca fica sob a barra fixa */
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 17px/1.6 var(--sans); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; overflow-x: clip; }
::selection { background: var(--gold); color: oklch(0.13 0.005 70); }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; letter-spacing: -0.02em; text-wrap: balance; margin: 0; }
h1, h2 { text-transform: uppercase; line-height: 0.92; }
h1 em, h2 em, h3 em { font-style: normal; color: var(--gold-text); }
p em { font-style: italic; }
/* palavras em destaque nos títulos: ouro metálico, como a placa do Studio */
@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  h1 em:not(:has(.wi)), h2 em:not(:has(.wi)), h3 em:not(:has(.wi)), h1 em .wi, h2 em .wi, h3 em .wi, .metal {
    background: var(--gold-metal); background-size: 100% 100%; -webkit-background-clip: text; background-clip: text; color: transparent; }
}
p, figure, dl, dd, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, video { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; }
a, button, label, input { -webkit-tap-highlight-color: transparent; }
html.menu-open, html.menu-open body { overflow: hidden; }
[hidden] { display: none !important; }
/* anel de foco no ouro de texto: o token muda com o tema e com os capítulos escuros (5,4:1 no Claro) */
:focus-visible { outline: 2px solid var(--gold-text); outline-offset: 3px; }
/* fica fora da tela, mas o leitor de tela lê */
.sr-only { position: absolute !important; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; border: 0; }
.wrap { width: 100%; max-width: 1560px; margin-inline: auto; padding-left: var(--gut); padding-right: var(--gut-r); }
/* rótulos em mono, com um quadradinho de ouro aceso */
.label { display: flex; align-items: center; gap: 12px; font: 500 11.5px/1.4 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-2); }
.label::before { content: ""; width: 7px; height: 7px; flex-shrink: 0; border-radius: 1px; background: var(--gold); box-shadow: 0 0 14px 1px color-mix(in oklch, var(--gold) 70%, transparent); }
.label.gold { color: var(--gold-text); }
.mono { font-family: var(--mono); }
.tnum { font-variant-numeric: tabular-nums; }
/* para de crescer junto com o .wrap (1560px): em tela larga o título não invade a coluna ao lado */
.h2 { font-size: clamp(36px, 5.2vw, 76px); line-height: 0.92; letter-spacing: -0.02em; }
.lead { color: var(--ink-2); font-size: 18px; max-width: 44ch; }
.ic { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.sec-head { display: grid; gap: 24px; }
@media (min-width: 1000px) { .sec-head.split2 { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); align-items: end; gap: 48px; } }
.sec-head .h2 { margin-top: 26px; }

/* capítulos escuros: redefinem os tokens só dentro deles, então todo componente se adapta sozinho */
.cine { --paper: var(--cine-bg); --paper-2: var(--cine-bg-2); --ink: var(--cine-fg); --ink-2: var(--cine-fg-2); --ink-3: var(--cine-fg-3); --rule: var(--cine-rule); --gold-text: var(--cine-gold); --gold: var(--cine-gold); --gold-deep: oklch(0.62 0.12 72);
  --btn-bg: var(--cine-gold); --btn-fg: oklch(0.13 0.005 70); --btn-hover: var(--cine-fg); --btn-hover-fg: oklch(0.13 0.005 70);
  --btn-glow: 0 0 0 1px oklch(0.83 0.13 84 / 0.35), 0 18px 44px -14px oklch(0.83 0.13 84 / 0.5);
  --glass: color-mix(in oklch, oklch(0.2 0.006 70) 78%, transparent); --logo-fill: var(--cine-logo); --logo-bjj: var(--cine-bjj); --field: oklch(0.19 0.006 70);
  --ok: oklch(0.76 0.16 150); --warn: oklch(0.76 0.14 52); --gold-metal: var(--gold-metal-lit);
  --shadow-lg: 0 50px 90px -40px oklch(0 0 0 / 0.9), 0 16px 30px -18px oklch(0 0 0 / 0.65);
  background: var(--paper); color: var(--ink); color-scheme: dark; }

/* tema Claro: os capítulos escuros do meio da página ganham cantos arredondados, para o corte entre o preto e o
   branco não ficar seco. Sem margem lateral: as seções presas na rolagem (GSAP pin) medem a largura cheia */
:root:not([data-look="black"]) main > .cine:not(.hero):not(.phero), :root:not([data-look="black"]) main > .quote { border-radius: clamp(18px, 2.4vw, 34px); }

/* logo (máscara: a cor vem dos tokens, com um brilho que passa). A máscara só usa o canal alfa:
   o WebP sem perda tem 41 KB, contra 263 KB do PNG colorido */
.logo { position: relative; display: block; aspect-ratio: 32 / 9; background: var(--logo-fill); background-size: 300% 100%; background-position: 100% 0;
  -webkit-mask: url("img/logo-evolution-mask.webp") center / contain no-repeat; mask: url("img/logo-evolution-mask.webp") center / contain no-repeat; }
/* o BJJ da logo tem cor própria (branco no escuro), por cima do ouro */
.logo::after { content: ""; position: absolute; inset: 0; background: var(--logo-bjj);
  -webkit-mask: url("img/logo-evolution-bjj.webp") center / contain no-repeat; mask: url("img/logo-evolution-bjj.webp") center / contain no-repeat; }
.shine:hover .logo { animation: shine 1.4s var(--ease); }
@keyframes shine { from { background-position: 100% 0; } to { background-position: 0% 0; } }

/* divisões feitas pelo script: cada palavra inteira numa máscara (folga em cima para acentos, embaixo para descendentes) */
.w { display: inline-block; overflow: hidden; vertical-align: top; white-space: nowrap; padding: 0.14em 0.1em 0.14em; margin: -0.14em -0.1em -0.14em; perspective: 520px; }
.wi { display: inline-block; }  /* sem will-change: o GSAP promove a camada só durante o movimento */
.hy { position: relative; color: transparent; }
.hy::after { content: ""; position: absolute; left: 0.06em; right: 0.06em; top: 50%; height: max(3px, 0.1em); background: var(--ink); }

/* textura de filme e barra de progresso */
.grain { position: fixed; inset: -50%; z-index: 90; pointer-events: none; opacity: var(--grain-op); mix-blend-mode: var(--grain-blend);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>"); }
@media (prefers-reduced-motion: no-preference) and (hover: hover) { .grain { animation: grain 0.9s steps(5) infinite; } }
@keyframes grain { 0% { transform: translate(0, 0); } 20% { transform: translate(-3%, 2%); } 40% { transform: translate(2%, -3%); } 60% { transform: translate(-2%, -1%); } 80% { transform: translate(3%, 3%); } 100% { transform: translate(0, 0); } }
/* no celular a textura sai: uma camada fixa misturada à tela inteira pesa na rolagem */
@media (hover: none), (max-width: 760px) { .grain { display: none; } }
.progress { position: fixed; top: env(safe-area-inset-top, 0px); left: 0; right: 0; height: 2px; z-index: 86; pointer-events: none; }
.progress i { display: block; height: 100%; background: var(--gold-metal); box-shadow: 0 0 12px var(--gold); transform: scaleX(0); transform-origin: left; }

/* cursor próprio (só com mouse): um anel que segue com atraso e cresce sobre o que dá para clicar */
.cur { position: fixed; left: 0; top: 0; z-index: 210; pointer-events: none; mix-blend-mode: difference; }
.cur-dot { width: 6px; height: 6px; margin: -3px 0 0 -3px; border-radius: 50%; background: oklch(1 0 0); }
.cur-ring { display: grid; place-items: center; width: 42px; height: 42px; margin: -21px 0 0 -21px; border-radius: 50%; box-shadow: inset 0 0 0 1.5px oklch(1 0 0); transition: width 450ms var(--ease), height 450ms var(--ease), margin 450ms var(--ease), background-color 450ms var(--ease), box-shadow 450ms var(--ease); }
.cur-ring b { font: 600 11px/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: oklch(0.13 0 0); opacity: 0; transition: opacity 300ms var(--ease); }
.cur-ring.is-link { width: 64px; height: 64px; margin: -32px 0 0 -32px; background: oklch(1 0 0 / 0.12); }
.cur-ring.is-label { width: 96px; height: 96px; margin: -48px 0 0 -48px; background: oklch(1 0 0); box-shadow: none; }
.cur-ring.is-label b { opacity: 1; }
.cur.is-down .cur-ring { width: 30px; height: 30px; margin: -15px 0 0 -15px; }
.cur.is-off { opacity: 0; }
@media (hover: none), (pointer: coarse) { .cur { display: none; } }
/* luz ambiente: um brilho de ouro bem suave segue o mouse no escuro */
.amb { position: fixed; left: 0; top: 0; z-index: 2; width: 70vmax; height: 70vmax; margin: -35vmax 0 0 -35vmax; border-radius: 50%; pointer-events: none; mix-blend-mode: screen;
  background: radial-gradient(circle, color-mix(in oklch, var(--gold) 7%, transparent) 0%, transparent 62%); }
:root:not([data-look="black"]) .amb, .menu-open .amb { opacity: 0; }
@media (hover: none), (pointer: coarse) { .amb { display: none; } }
/* cartões com brilho que acompanha o mouse */
.spot { position: relative; isolation: isolate; }
.spot::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; opacity: 0; transition: opacity 500ms var(--ease);
  background: radial-gradient(380px circle at var(--mx, 50%) var(--my, 50%), color-mix(in oklch, var(--gold) 16%, transparent), transparent 62%); }
.spot:hover::after { opacity: 1; }

/* cortina entre páginas */
html.entering::after { content: ""; position: fixed; inset: 0; z-index: 139; background: var(--paper); animation: cover-out 0.4s ease 2.6s forwards; }
@keyframes cover-out { to { opacity: 0; visibility: hidden; } }
.curtain { position: fixed; inset: 0; z-index: 140; display: grid; place-items: center; background: var(--cine-bg); pointer-events: none; transform: translateY(130%); --logo-fill: var(--cine-logo); --logo-bjj: var(--cine-bjj); }
.curtain .logo { width: min(56vw, 560px); }
.curtain .tt, .curtain .tb { position: absolute; left: -5%; right: -5%; height: 20vh; background: var(--cine-bg); }
.curtain .tt { bottom: 100%; border-radius: 50% 50% 0 0 / 100% 100% 0 0; }
.curtain .tb { top: 100%; border-radius: 0 0 50% 50% / 0 0 100% 100%; }
/* transição com foto: a imagem tocada cresce até cobrir a tela e a página seguinte nasce dela */
.vt-img { position: fixed; z-index: 141; overflow: hidden; pointer-events: none; background: var(--cine-bg); }
.vt-img img { width: 100%; height: 100%; object-fit: cover; }
html.entering-img::after, .enter-cover { background-color: var(--cine-bg); background-image: var(--enter-img); background-size: cover; background-position: center; }
.enter-cover { position: fixed; inset: 0; z-index: 140; pointer-events: none; }

/* botões: caixa-alta, peso e um brilho de ouro por baixo */
.btn { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 14px; min-height: 58px; padding: 0 30px; border: 0; border-radius: 999px; font: 700 13px/1 var(--sans); letter-spacing: 0.14em; text-transform: uppercase; white-space: nowrap; text-decoration: none; cursor: pointer; overflow: hidden; isolation: isolate; transition: color 400ms var(--ease), box-shadow 500ms var(--ease); }
@media (max-width: 520px) { .btn { min-height: 54px; padding: 0 22px; gap: 12px; font-size: 12.5px; letter-spacing: 0.12em; } }
/* no toque, o aperto usa a propriedade scale: transition em transform brigava com o GSAP e deixava o botão 24px abaixo */
@media (hover: none) { .btn { transition: color 400ms var(--ease), scale 250ms var(--ease); } .btn:active { scale: 0.97; } }
.btn::before { content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit; transform: translateY(101%); transition: transform 550ms var(--ease); }
.btn:hover::before { transform: none; }
.btn svg { width: 18px; height: 18px; transition: transform 400ms var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.bt { position: relative; display: inline-block; overflow: hidden; line-height: 1.25; }
.bt > span { display: block; transition: transform 550ms var(--ease); }
.bt::after { content: attr(data-t); position: absolute; left: 0; top: 100%; transition: transform 550ms var(--ease); }
.btn:hover .bt > span, .btn:hover .bt::after { transform: translateY(-100%); }
.btn-ink { background: var(--btn-bg); color: var(--btn-fg); box-shadow: var(--btn-glow); }
.btn-ink::before { background: var(--btn-hover); }
.btn-ink:hover { color: var(--btn-hover-fg); }
.btn-gold { background: var(--gold); color: oklch(0.13 0.005 70); box-shadow: 0 18px 44px -16px color-mix(in oklch, var(--gold) 60%, transparent); }
.btn-gold::before { background: oklch(0.97 0.004 85); }
.btn-gold:hover { color: oklch(0.13 0.005 70); }
.btn-line { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--rule); }
.btn-line::before { background: var(--gold); }
.btn-line:hover { color: oklch(0.13 0.005 70); }
.link { font: 700 12.5px/1.2 var(--sans); letter-spacing: 0.14em; text-transform: uppercase; text-decoration: none; background: linear-gradient(var(--gold), var(--gold)) 0 100% / 100% 2px no-repeat; padding-bottom: 7px; transition: background-size 500ms var(--ease), color 300ms var(--ease); }
.link:hover { background-size: 0% 2px; background-position: 100% 100%; color: var(--gold-text); }
.ctas { display: flex; flex-wrap: wrap; align-items: center; gap: 18px 32px; }

/* navegação */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 80; padding-top: env(safe-area-inset-top, 0px); transition: transform 600ms var(--ease), background-color 400ms var(--ease), border-color 400ms var(--ease); border-bottom: 1px solid transparent; }
.nav.scrolled { background: color-mix(in oklch, var(--paper) 78%, transparent); -webkit-backdrop-filter: blur(18px) saturate(1.3); backdrop-filter: blur(18px) saturate(1.3); border-bottom-color: var(--rule); }
/* sobre um capítulo escuro, a navegação troca para tinta clara */
.nav.on-dark { --paper: var(--cine-bg); --ink: var(--cine-fg); --ink-2: var(--cine-fg-2); --ink-3: var(--cine-fg-3); --rule: oklch(1 0 0 / 0.18); --gold: var(--cine-gold); --gold-text: var(--cine-gold);
  --btn-bg: var(--cine-gold); --btn-fg: oklch(0.13 0.005 70); --btn-hover: var(--cine-fg); --btn-hover-fg: oklch(0.13 0.005 70); --btn-glow: 0 0 0 1px oklch(0.83 0.13 84 / 0.35), 0 14px 34px -14px oklch(0.83 0.13 84 / 0.5); --logo-fill: var(--cine-logo); --logo-bjj: var(--cine-bjj); --gold-metal: var(--gold-metal-lit); color: var(--ink); }
.nav .roll, .nav .look, .nav .tagp, .nav .menu-btn { transition: color 400ms var(--ease), border-color 400ms var(--ease); }
.nav.hide { transform: translateY(-100%); }
.nav-in { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 80px; }
.brandrow { display: flex; align-items: center; gap: 16px; min-width: 0; }
.brand { display: block; text-decoration: none; }
.brand .logo { height: 44px; }
.tagp { display: inline-flex; padding: 7px 11px; border: 1px solid var(--rule); border-radius: 999px; font: 500 10px/1 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-2); white-space: nowrap; text-decoration: none; }
.tagp .sm { display: none; }
.links { display: flex; gap: 30px; }
.roll { position: relative; display: inline-block; overflow: hidden; text-decoration: none; font: 600 12.5px/1.3 var(--sans); letter-spacing: 0.14em; text-transform: uppercase; }
.roll span { display: block; transition: transform 500ms var(--ease); }
.roll span::after { content: attr(data-t); position: absolute; left: 0; top: 100%; color: var(--gold-text); }
.roll:hover span { transform: translateY(-100%); }
.links .roll { padding-bottom: 5px; }
.links .roll::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--gold); box-shadow: 0 0 10px var(--gold); transform: scaleX(0); transform-origin: left; transition: transform 500ms var(--ease); }
[data-page="inicio"] .links [data-nav="inicio"], [data-page="aulas"] .links [data-nav="aulas"], [data-page="agendar"] .links [data-nav="agendar"], [data-page="perguntas"] .links [data-nav="perguntas"], [data-page="contato"] .links [data-nav="contato"] { color: var(--gold-text); }
[data-page="inicio"] .links [data-nav="inicio"]::after, [data-page="aulas"] .links [data-nav="aulas"]::after, [data-page="agendar"] .links [data-nav="agendar"]::after, [data-page="perguntas"] .links [data-nav="perguntas"]::after, [data-page="contato"] .links [data-nav="contato"]::after { transform: scaleX(1); }
.nav-right { display: flex; align-items: center; gap: 18px; flex-shrink: 0; }
.nav-cta { display: flex; align-items: center; gap: 22px; }
.nav-cta .btn { min-height: 46px; padding: 0 22px; font-size: 12px; }
.look { display: inline-flex; align-items: center; gap: 10px; height: 42px; padding: 0 14px 0 6px; border-radius: 999px; border: 1px solid var(--rule); background: transparent; color: var(--ink); font: 500 10.5px/1 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; cursor: pointer; transition: border-color 300ms var(--ease); }
.look:hover { border-color: var(--gold); }
.lk-dot { position: relative; width: 30px; height: 30px; border-radius: 50%; background: var(--ink); overflow: hidden; box-shadow: inset 0 0 0 1px var(--ink); }
.lk-dot::after { content: ""; position: absolute; inset: 0; background: var(--paper); clip-path: inset(0 0 0 50%); transition: transform 700ms var(--ease); }
:root[data-look="black"] .lk-dot::after { transform: rotate(180deg); }
.menu-btn { display: none; position: relative; width: 44px; height: 44px; border: 1px solid var(--rule); border-radius: 50%; background: transparent; color: var(--ink); cursor: pointer; }
.menu-btn i { position: absolute; left: 13px; right: 13px; height: 1.5px; background: currentColor; transition: transform 500ms var(--ease), top 500ms var(--ease); }
.menu-btn i:first-child { top: 17px; }
.menu-btn i:last-child { top: 25px; }
.menu-open .menu-btn i:first-child { top: 21px; transform: rotate(45deg); }
.menu-open .menu-btn i:last-child { top: 21px; transform: rotate(-45deg); }
/* tablet e celular: os links vão para o menu de tela cheia, que também tem "Área do aluno" */
@media (max-width: 1180px) { .links { display: none; } .menu-btn { display: inline-block; } .nav-cta .roll { display: none; } }
/* notebooks (1181 a 1400px): o menu completo cabe numa linha, sem espremer o botão "Aula grátis" */
.nav-cta .btn, .nav-cta .roll, .look { flex-shrink: 0; white-space: nowrap; }
@media (min-width: 1181px) and (max-width: 1400px) { .tagp .lg { display: none; } .tagp .sm { display: inline; } .links { gap: 22px; } .nav-right { gap: 14px; } .nav-cta { gap: 18px; } }
/* sem espaço, a troca de versão fica só com a bolinha; o texto sai da tela, mas continua sendo o nome do botão */
@media (min-width: 1181px) and (max-width: 1280px), (max-width: 1023px) {
  .look { padding: 0 6px; }
  .look .lk-txt { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
}
/* iPad em retrato (761 a 1023px): selo curto, para o menu e "Aula grátis" caberem inteiros */
@media (max-width: 1023px) { .tagp .lg { display: none; } .tagp .sm { display: inline; } }
@media (max-width: 760px) { .nav-cta { display: none; } }
@media (max-width: 520px) { .brand .logo { height: 34px; } .brandrow { gap: 10px; } .nav-right { gap: 10px; } }

/* menu em tela cheia (celular e tablet) */
.menu { position: fixed; inset: 0; z-index: 79; display: grid; align-content: space-between; gap: 32px; padding: calc(110px + env(safe-area-inset-top, 0px)) var(--gut-r) calc(36px + env(safe-area-inset-bottom, 0px)) var(--gut); background: var(--cine-bg); color: var(--cine-fg); clip-path: circle(0% at 100% 0%); visibility: hidden; }
.menu::before { content: ""; position: absolute; right: -20vmax; top: -20vmax; width: 70vmax; height: 70vmax; border-radius: 50%; background: radial-gradient(circle, oklch(0.83 0.13 84 / 0.14), transparent 62%); pointer-events: none; }
.menu nav { position: relative; display: grid; }
.menu nav a { display: block; overflow: hidden; padding-block: 8px 4px; border-bottom: 1px solid oklch(1 0 0 / 0.12); font: 400 clamp(36px, 10vw, 72px)/1 var(--serif); letter-spacing: -0.02em; text-transform: uppercase; text-decoration: none; }
.menu nav a span { display: inline-block; }
.menu nav a em { font-style: normal; color: var(--cine-gold); }
.menu .menu-foot { position: relative; display: grid; gap: 6px; font: 500 12px/1.5 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--cine-fg-2); }
.menu .menu-foot b { color: var(--cine-gold); font: 400 22px/1.2 var(--serif); letter-spacing: 0; }

::view-transition-old(root), ::view-transition-new(root) { animation: none; mix-blend-mode: normal; }
::view-transition-old(root) { z-index: 1; }
::view-transition-new(root) { z-index: 2; }

/* abertura das páginas internas */
.phero { position: relative; padding-top: clamp(140px, 19vh, 200px); padding-bottom: clamp(56px, 8vh, 110px); overflow: hidden; }
.phero::before { content: ""; position: absolute; right: -15vw; top: -25vh; width: 70vw; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, color-mix(in oklch, var(--gold) 12%, transparent), transparent 62%); pointer-events: none; }
.phero-top { position: relative; display: flex; justify-content: space-between; align-items: center; gap: 12px 24px; flex-wrap: wrap; }
.phero-meta { font: 500 12px/1.4 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-2); }
.phero-title { position: relative; margin-top: clamp(26px, 4vh, 48px); font-size: clamp(46px, 7.8vw, 150px); line-height: 0.88; letter-spacing: -0.025em; }
.phero-title .gl { color: var(--gold-text); }
.phero .lede { position: relative; margin-top: 32px; font-size: 19px; color: var(--ink-2); max-width: 46ch; }
.phero .ctas { position: relative; margin-top: 38px; }
.phero-kanji { position: absolute; right: var(--gut-r); top: clamp(240px, 32vh, 320px); writing-mode: vertical-rl; font: 500 clamp(30px, 3vw, 44px)/1 var(--mincho); letter-spacing: 0.2em; color: var(--gold-text); pointer-events: none; }
@media (max-width: 760px) { .phero-kanji { display: none; } }
.rimg { position: relative; overflow: hidden; border-radius: 4px; box-shadow: var(--shadow-lg); background: var(--paper-2); clip-path: inset(0% 0% 0% 0% round 4px); }
.rimg img { width: 100%; height: 100%; object-fit: cover; }
.cap { margin-top: 14px; font: 500 11px/1.5 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }

/* convite final: uma placa de ouro metálico, com tinta preta */
.cta { padding: 0; }
.cta-inner { position: relative; background: var(--cta-bg); color: var(--cta-fg); clip-path: inset(0% 0% 0% 0% round 0px); padding-block: clamp(110px, 13vw, 200px); overflow: hidden;
  --ink: var(--cta-fg); --gold-text: var(--cta-fg); --rule: oklch(0.13 0.005 70 / 0.2); }
.cta-inner::before { content: "柔術"; position: absolute; right: -2vw; bottom: -6vw; font: 500 min(34vw, 520px)/1 var(--mincho); color: oklch(0.13 0.005 70 / 0.07); pointer-events: none; user-select: none; }
.cta-grid { position: relative; display: grid; gap: 64px; align-items: center; }
@media (min-width: 1000px) { .cta-grid { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 6vw; } }
.cta .label { color: var(--cta-fg); }
.cta .label::before { background: var(--cta-fg); box-shadow: none; }
.cta .h2 { margin-top: 28px; color: var(--cta-fg); font-size: clamp(42px, 6.2vw, 112px); }
.cta .h2 em, .cta .h2 em .wi { background: none; color: transparent; -webkit-text-stroke: 0.035em var(--cta-fg); }
.cta .lead { margin-top: 28px; color: oklch(0.13 0.005 70 / 0.78); }
.cta .btn { margin-top: 44px; }
.cta .btn-gold { background: var(--cta-fg); color: oklch(0.85 0.13 86); box-shadow: 0 24px 50px -20px oklch(0.13 0.005 70 / 0.7); }
.cta .btn-gold::before { background: oklch(0.97 0.004 85); }
.cta .btn-gold:hover { color: var(--cta-fg); }
.contact { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-top: 64px; padding-top: 26px; border-top: 1.5px solid oklch(0.13 0.005 70 / 0.25); }
.contact dt { font: 600 11px/1.4 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: oklch(0.13 0.005 70 / 0.7); }
.contact dd { margin-top: 8px; font-size: 15.5px; font-weight: 500; }
.contact dd a { color: var(--cta-fg); text-decoration-color: oklch(0.13 0.005 70 / 0.4); text-underline-offset: 4px; }
@media (max-width: 700px) { .contact { grid-template-columns: minmax(0, 1fr); } }
.cta-photo { overflow: hidden; aspect-ratio: 4 / 5; border-radius: 4px; box-shadow: 0 50px 90px -40px oklch(0.13 0.005 70 / 0.8), 0 0 0 6px oklch(0.13 0.005 70); }
.cta-photo img { width: 100%; height: 120%; object-fit: cover; object-position: 50% 40%; margin-top: -10%; will-change: transform; }

/* rodapé */
.foot { position: relative; padding-top: clamp(80px, 9vw, 140px); overflow: hidden; }
.foot-grid { display: grid; gap: 40px; grid-template-columns: minmax(0, 5fr) repeat(3, minmax(0, 2fr)); }
.foot h4, .foot .foot-h { margin: 0 0 14px; font: 500 11px/1.4 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold-text); }
.foot li { font-size: 15px; color: var(--ink-2); padding-block: 3px; }
.foot li a { text-decoration: none; transition: color 300ms var(--ease); }
.foot li a:hover { color: var(--gold-text); }
.foot .about { color: var(--ink-2); font-size: 16px; max-width: 34ch; }
@media (max-width: 900px) { .foot-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } .foot-grid > :first-child, .foot-grid > :last-child { grid-column: 1 / -1; } }
.foot-logo-wrap { margin-top: clamp(60px, 8vw, 120px); padding-bottom: clamp(28px, 4vw, 56px); }
.foot-logo { width: 100%; clip-path: inset(0% 0% 0% 0%); filter: drop-shadow(0 0 40px color-mix(in oklch, var(--gold) 22%, transparent)); }
/* logo 3D (logo3d.js): o canvas cobre a logo plana com folga para a profundidade e a sombra no chão;
   a plana continua embaixo para o leitor de tela e para quem não tem WebGL */
.foot-logo-wrap { position: relative; }
.foot-gl { position: absolute; left: -3%; width: 106%; top: -34%; height: 150%; pointer-events: none; opacity: 0; transition: opacity 900ms var(--ease); }
.foot-logo-wrap.gl .foot-gl { opacity: 1; }
.foot-logo-wrap.gl .foot-logo { opacity: 0; transition: opacity 500ms var(--ease); }
/* o brilho só roda com a logo na tela: site.js liga .live no .foot-logo-wrap enquanto ele aparece */
@media (prefers-reduced-motion: no-preference) { .foot-logo-wrap.live .foot-logo { animation: shine-loop 7s var(--ease) 2s infinite; } }
@keyframes shine-loop { 0%, 70% { background-position: 100% 0; } 100% { background-position: 0% 0; } }
.foot-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-block: 22px max(28px, env(safe-area-inset-bottom, 0px)); border-top: 1px solid var(--rule); font: 500 11px/1.5 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); }

/* elementos fixos */
.wa-float { position: fixed; z-index: 70; right: calc(20px + env(safe-area-inset-right, 0px)); bottom: calc(24px + env(safe-area-inset-bottom, 0px)); display: grid; place-items: center; width: 62px; height: 62px; border-radius: 50%; text-decoration: none; color: #fff; isolation: isolate;
  /* botão verde com volume: luz de cima, borda inferior escura (a "espessura") e sombra no chão */
  background: radial-gradient(120% 120% at 30% 22%, #7dfaa6 0%, #34de72 34%, #1fb85a 68%, #13924a 100%);
  box-shadow: inset 0 2px 1px rgb(255 255 255 / 0.55), inset 0 -6px 10px rgb(0 70 30 / 0.45), 0 5px 0 #0c6f37, 0 7px 0 #0a5a2d, 0 18px 26px -8px rgb(6 60 28 / 0.65), 0 4px 10px rgb(0 0 0 / 0.25); }
/* botão da trilha: redondo, no canto oposto ao WhatsApp; as barras dançam com o som ligado.
   Aparece depois da primeira tela e some perto do convite final (site.js: Site.music) */
.snd { position: fixed; z-index: 70; left: calc(20px + env(safe-area-inset-left, 0px)); bottom: calc(20px + env(safe-area-inset-bottom, 0px)); display: grid; place-items: center; width: 48px; height: 48px; padding: 0; border: 0; border-radius: 50%; background: color-mix(in oklch, var(--paper) 74%, transparent); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); box-shadow: inset 0 0 0 1px var(--rule), 0 12px 28px -16px oklch(0 0 0 / 0.6); color: var(--ink-2); cursor: pointer;
  opacity: 0; visibility: hidden; transform: translateY(18px) scale(0.94); transition: opacity 400ms var(--ease), transform 600ms var(--ease), visibility 0s linear 600ms, color 300ms var(--ease); }
.snd.shown { opacity: 1; visibility: visible; transform: none; transition: opacity 400ms var(--ease), transform 600ms var(--ease), visibility 0s, color 300ms var(--ease); }
.snd:hover { color: var(--ink); }
.snd-bars { display: flex; align-items: flex-end; gap: 2px; width: 16px; height: 14px; }
.snd-bars i { flex: 1; height: 3px; background: currentColor; border-radius: 1px; transition: height 300ms var(--ease); }
.snd.on { color: var(--gold-text); }
.snd.on .snd-bars i { animation: snd-eq 900ms ease-in-out infinite alternate; }
.snd.on .snd-bars i:nth-child(2) { animation-delay: -300ms; } .snd.on .snd-bars i:nth-child(3) { animation-delay: -600ms; } .snd.on .snd-bars i:nth-child(4) { animation-delay: -150ms; }
@keyframes snd-eq { from { height: 3px; } to { height: 14px; } }
/* quando o navegador bloqueou o som automático: um anel de ouro convida a tocar */
.snd.ask { box-shadow: inset 0 0 0 1.5px var(--gold), 0 12px 28px -16px oklch(0 0 0 / 0.6); }
@media (prefers-reduced-motion: reduce) { .snd.on .snd-bars i { animation: none; height: 10px; } }
/* com a barra fixa do Agendar (celular e tablet), o botão sobe para não ficar embaixo dela */
body:has(.ag-bar.on) .snd { bottom: calc(96px + env(safe-area-inset-bottom, 0px)); }
.wa-float i { display: none; }
.wa-float .wa-t { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.wa-float .wa-ic { position: relative; z-index: 1; width: 31px; height: 31px; fill: currentColor; filter: drop-shadow(0 1.5px 0 rgb(0 80 35 / 0.55)) drop-shadow(0 0 1px rgb(0 60 25 / 0.4)); }
/* reflexo de vidro em cima e o anel que pulsa devagar */
.wa-float::before { content: ""; position: absolute; left: 14%; right: 14%; top: 6%; height: 42%; border-radius: 50% / 60% 60% 40% 40%; background: linear-gradient(180deg, rgb(255 255 255 / 0.6), rgb(255 255 255 / 0)); pointer-events: none; z-index: 2; mix-blend-mode: screen; }
.wa-float::after { content: ""; position: absolute; inset: 0; border-radius: 50%; box-shadow: 0 0 0 0 rgb(37 211 102 / 0.55); z-index: -1; pointer-events: none; }
@media (prefers-reduced-motion: no-preference) { .wa-float.on::after { animation: wa-ring 2.8s ease-out 1.2s infinite; } }
@keyframes wa-ring { 0% { box-shadow: 0 0 0 0 rgb(37 211 102 / 0.5); } 70%, 100% { box-shadow: 0 0 0 18px rgb(37 211 102 / 0); } }
.wa-float:hover { filter: brightness(1.06) saturate(1.05); }
.wa-float:active { translate: 0 4px; box-shadow: inset 0 2px 1px rgb(255 255 255 / 0.5), inset 0 -4px 8px rgb(0 70 30 / 0.45), 0 1px 0 #0c6f37, 0 2px 0 #0a5a2d, 0 8px 14px -6px rgb(6 60 28 / 0.6); }
.wa-float:focus-visible { outline: 3px solid #25d366; outline-offset: 4px; }
/* com o script ativo, o botão só aparece depois da primeira tela e some perto do convite final */
html.wa-js .wa-float { opacity: 0; visibility: hidden; transform: translateY(18px) scale(0.94); transition: opacity 400ms var(--ease), transform 600ms var(--ease), visibility 0s linear 600ms; }
html.wa-js .wa-float.on { opacity: 1; visibility: visible; transform: none; transition: opacity 400ms var(--ease), transform 600ms var(--ease), visibility 0s; }
@media (max-width: 760px) { .wa-float { width: 58px; height: 58px; } .wa-float .wa-ic { width: 29px; height: 29px; } }

/* ---------- abertura de cinema das páginas internas: foto ao fundo e kanji em contorno ---------- */
.cin { display: flex; flex-direction: column; justify-content: flex-end; min-height: min(100svh, 1000px); padding-top: clamp(118px, 15vh, 170px); padding-bottom: 0; isolation: isolate; }
.cin .lede { margin-top: 24px; }
.cin .phero-title { margin-top: clamp(20px, 3vh, 40px); }
.cin.cin-s { min-height: min(86svh, 880px); }
.cin-bg { position: absolute; inset: -6% 0; z-index: -4; overflow: hidden; background: var(--cine-bg); }
.cin-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.5; filter: grayscale(0.35) sepia(0.25) contrast(1.12) brightness(0.85); will-change: transform; }
.cin-shade { position: absolute; inset: 0; z-index: -3; pointer-events: none;
  background: radial-gradient(ellipse 110% 90% at 72% 28%, transparent 0%, color-mix(in oklch, var(--cine-bg) 55%, transparent) 55%, var(--cine-bg) 100%),
              linear-gradient(180deg, color-mix(in oklch, var(--cine-bg) 78%, transparent) 0%, transparent 30%, transparent 42%, var(--cine-bg) 100%); }
.cin-ghost { position: absolute; z-index: -1; right: -2vw; top: 50%; translate: 0 -50%; writing-mode: vertical-rl; font: 500 min(64vh, 38vw)/0.9 var(--mincho); color: transparent; -webkit-text-stroke: 1px oklch(0.83 0.13 84 / 0.22); pointer-events: none; user-select: none; will-change: transform; }
.cin .phero-title { max-width: 18ch; }
@media (min-width: 601px) { .cin .phero-title { font-size: clamp(44px, min(6.6vw, 11vh), 132px); } }
.cin .phero-title .o { color: transparent; -webkit-text-stroke: 0.022em var(--ink); }
.cin .lede { text-shadow: 0 1px 18px oklch(0 0 0 / 0.8); }
.cin-row { position: relative; display: flex; flex-wrap: wrap; align-items: center; gap: 18px 28px; margin-top: 30px; }
/* faixa de dados no pé da abertura, como a ficha técnica de um evento */
.cin-data { position: relative; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: clamp(28px, 4.5vh, 64px); border-top: 1px solid var(--rule); }
.cin-data > div { padding: 18px 18px 26px 0; }
.cin-data > div + div { padding-left: 18px; border-left: 1px solid var(--rule); }
.cin-data b { display: block; font: 400 clamp(20px, 1.9vw, 30px)/1 var(--serif); letter-spacing: -0.01em; }
.cin-data span { display: block; margin-top: 8px; font: 500 11px/1.4 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); }
@media (max-width: 800px) {
  .cin-data { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cin-data > div:nth-child(3) { padding-left: 0; border-left: 0; }
  .cin-data > div:nth-child(n+3) { border-top: 1px solid var(--rule); }
}
@media (max-width: 760px) { .cin-ghost { font-size: 86vw; right: -20vw; opacity: 0.55; } }

/* selo ao vivo: próxima aula, aberto agora */
.pill-live { display: inline-flex; align-items: center; gap: 12px; padding: 11px 18px 11px 14px; border-radius: 999px; background: oklch(1 0 0 / 0.06); box-shadow: inset 0 0 0 1px oklch(1 0 0 / 0.14); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); font: 500 11px/1.2 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-2); white-space: nowrap; }
.pill-live i { position: relative; width: 8px; height: 8px; flex-shrink: 0; border-radius: 50%; background: var(--gold); }
.pill-live i::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; box-shadow: 0 0 0 1.5px currentColor; color: var(--gold); opacity: 0; }
@media (prefers-reduced-motion: no-preference) { .pill-live i::after { animation: live-ping 1.8s var(--ease) infinite; } }
@keyframes live-ping { 0% { transform: scale(0.6); opacity: 0.9; } 100% { transform: scale(2.2); opacity: 0; } }
.pill-live.hot i { background: var(--hot); } .pill-live.hot i::after { color: var(--hot); }
.pill-live.open i { background: oklch(0.76 0.16 150); } .pill-live.open i::after { color: oklch(0.76 0.16 150); }
.pill-live.closed i { background: var(--ink-3); } .pill-live.closed i::after { display: none; }
.pill-live b { color: var(--ink); font-weight: 600; }

/* fitas cruzadas: duas faixas pretas de jiu-jitsu em sentidos opostos, que aceleram com a rolagem e invertem
   quando a página sobe. O tecido (trama e fileiras de costura) vem de img/faixa-preta.webp, gerado por
   tools/faixa-texturas.py, e anda junto com o bordado; a luz fica parada por cima, como num tecido de verdade. */
.bands { position: relative; height: clamp(170px, 19vw, 300px); overflow: hidden; perspective: 1100px; }
.band { position: absolute; left: -10%; right: -10%; top: 50%; overflow: hidden; border-radius: 3px; }
/* as duas faixas se cruzam em profundidade: uma vem para a frente, a outra fica atrás, mais escura */
.band.b1 { z-index: 2; transform: translateY(-72%) rotate(-3deg) rotateY(-9deg) translateZ(30px); box-shadow: 0 26px 50px -22px oklch(0 0 0 / 0.85), 0 2px 0 oklch(0 0 0 / 0.5); }
.band.b2 { left: -25%; right: -25%; transform: translateY(-10%) rotate(2.4deg) rotateY(11deg) translateZ(-60px); filter: brightness(0.66); box-shadow: 0 18px 40px -20px oklch(0 0 0 / 0.8); }
.band .mq-track { display: flex; width: max-content; will-change: transform; }
.band .mq-item { --h: clamp(56px, 6.2vw, 112px); display: flex; align-items: center; gap: 0.55em; height: var(--h); padding-left: 0.6em;
  font: 400 clamp(26px, 3.4vw, 60px)/1 var(--serif); letter-spacing: 0.04em; text-transform: uppercase; white-space: nowrap;
  background: #0d0d0e url("img/faixa-preta.webp") 0 0 / auto 100% repeat-x; }
/* bordado em fio dourado: o ponto cheio aparece em diagonal dentro das letras, com relevo */
.band .mq-item > span { color: transparent; background: repeating-linear-gradient(112deg, oklch(0.9 0.11 88) 0 2px, oklch(0.8 0.12 82) 2px 3px, oklch(0.62 0.12 72) 3px 4px);
  -webkit-background-clip: text; background-clip: text; filter: drop-shadow(0 1px 0 oklch(0 0 0 / 0.85)) drop-shadow(0 -1px 0 oklch(1 0 0 / 0.08)); }
.band .mq-item > span.o { background: none; -webkit-text-stroke: 1.4px oklch(0.8 0.12 82); }
.band .mq-item > span.k { background: none; color: oklch(0.83 0.13 84 / 0.8); font: 500 0.7em/1 var(--mincho); }
/* a ponteira da faixa preta: vermelha, com quatro graus em fita branca e as fileiras de costura */
.band .mq-item::after { content: ""; align-self: stretch; flex: 0 0 3.2em; margin-left: 0.5em; margin-right: 0.1em;
  background:
    linear-gradient(90deg, transparent 0 34%, oklch(0.95 0 0) 34% 40%, transparent 40% 49%, oklch(0.95 0 0) 49% 55%, transparent 55% 64%, oklch(0.95 0 0) 64% 70%, transparent 70% 79%, oklch(0.95 0 0) 79% 85%, transparent 85%),
    linear-gradient(180deg, oklch(1 0 0 / 0.14), transparent 30%, oklch(0 0 0 / 0.32)),
    repeating-linear-gradient(180deg, transparent 0 calc(var(--h) / 10 - 1px), oklch(0 0 0 / 0.22) calc(var(--h) / 10 - 1px) calc(var(--h) / 10)),
    oklch(0.5 0.19 27);
  box-shadow: inset 2px 0 0 oklch(0 0 0 / 0.35), inset -2px 0 0 oklch(0 0 0 / 0.35); }
/* luz fixa sobre o tecido que passa: brilho na borda de cima e sombra embaixo, como numa faixa de verdade */
.band::after { content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background: linear-gradient(180deg, oklch(1 0 0 / 0.14) 0%, oklch(1 0 0 / 0.03) 9%, transparent 22%, transparent 70%, oklch(0 0 0 / 0.5) 100%); }
/* um reflexo atravessa a faixa da frente de tempos em tempos */
.band::before { content: ""; position: absolute; top: 0; bottom: 0; left: 0; width: 22%; z-index: 3; pointer-events: none; transform: translateX(-120%);
  background: linear-gradient(100deg, transparent, oklch(1 0 0 / 0.07) 45%, oklch(1 0 0 / 0.13) 50%, oklch(1 0 0 / 0.07) 55%, transparent); }
@media (prefers-reduced-motion: no-preference) { .band.b1::before { animation: belt-sheen 7s cubic-bezier(.6, 0, .2, 1) 1.2s infinite; } }
@keyframes belt-sheen { 0% { transform: translateX(-120%); } 38%, 100% { transform: translateX(560%); } }
@media (max-width: 700px) {
  .bands { height: 200px; }
  .band.b1 { transform: translateY(-92%) rotate(-6deg) translateZ(30px); }
  .band.b2 { transform: translateY(8%) rotate(5deg) translateZ(-40px); }
}
.bands.one { height: clamp(110px, 12vw, 180px); }
.bands.one .band.b1 { transform: translateY(-50%) rotate(-2deg) rotateY(-10deg); }

/* ---------- profundidade 3D (site.js: depthFx) ---------- */
/* quando um cartão inclina perto da borda, a parte que se aproxima pode passar da tela: o recorte fica em cada seção */
main > section { overflow-x: clip; }
.d3 { transform-style: preserve-3d; will-change: transform; }
.d3-glare { position: absolute; inset: 0; z-index: 6; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity 600ms var(--ease);
  background: radial-gradient(circle at var(--gx, 50%) var(--gy, 50%), oklch(1 0 0 / 0.22), oklch(1 0 0 / 0.05) 34%, transparent 62%); }
.d3-on > .d3-glare { opacity: 1; }
/* kanji e números em volume: o mesmo contorno repetido em camadas, uma atrás da outra */
.x3-host { perspective: 1100px; }
.x3 { position: relative; display: block; transform-style: preserve-3d; will-change: transform; }
.x3 > i { display: block; font-style: normal; }
.x3 > i + i { position: absolute; inset: 0; }
/* aberturas de cinema: o título tem camadas (o contorno fica ao fundo, o ouro vem para a frente) */
.cin > .wrap { perspective: 1300px; perspective-origin: 30% 70%; }
.cin .phero-title { transform-style: preserve-3d; }
.cin .phero-title .o .w { transform: translateZ(-46px); }
.cin .phero-title em .w { transform: translateZ(58px); }
.cin-data { perspective: 900px; }

/* trilho que desliza para o lado no celular (programas e turmas) */
.swipe-dots { display: flex; justify-content: center; gap: 8px; margin-top: 22px; }
.swipe-dots i { width: 6px; height: 6px; border-radius: 3px; background: var(--rule); transition: width 450ms var(--ease), background-color 450ms var(--ease); }
.swipe-dots i.on { width: 24px; background: var(--gold); }