/* Vibe Gênio — páginas de coleção, som, portas da página inicial. Usa os tokens de site.css. */
@view-transition { navigation: auto; }
::view-transition-old(root), ::view-transition-new(root) { animation-duration: 0.45s; animation-timing-function: var(--ease-out); }

/* botão de som */
.som { display: inline-flex; align-items: center; gap: 0.55rem; min-height: 2.5rem; padding: 0 0.85rem; background: transparent; color: var(--text-dim); border: 1px solid color-mix(in oklch, var(--text) 28%, transparent); border-radius: 2px; font: 500 0.8125rem/1 var(--sans); letter-spacing: 0.04em; cursor: pointer; transition: color 0.25s var(--ease-out), border-color 0.25s var(--ease-out), background-color 0.25s var(--ease-out); }
.som:hover { color: var(--text); border-color: var(--brass); }
.som svg { width: 1.3rem; height: 1.1rem; fill: currentColor; stroke: currentColor; }
.som .alto { stroke: none; }
.som .onda, .som .corte { fill: none; stroke-width: 1.6; stroke-linecap: round; transition: opacity 0.25s var(--ease-out); }
.som .onda { opacity: 0; }
.som[aria-pressed="true"] { color: var(--brass); border-color: var(--brass); }
.som[aria-pressed="true"] .onda { opacity: 1; }
.som[aria-pressed="true"] .corte { opacity: 0; }
.menu { margin-left: auto; }
.menu a[aria-current="page"] { color: var(--text); }
.menu a[aria-current="page"]::after { transform: scaleX(1); }

/* topo sobre fundo claro (página Matemática, antes de rolar) */
body[data-page="matematica"] .topo:not(.is-solido):not(.menu-aberto) { color: var(--ink); }
body[data-page="matematica"] .topo:not(.is-solido):not(.menu-aberto) .menu a { color: var(--ink-dim); }
body[data-page="matematica"] .topo:not(.is-solido):not(.menu-aberto) .menu a:hover,
body[data-page="matematica"] .topo:not(.is-solido):not(.menu-aberto) .menu a[aria-current="page"] { color: var(--ink); }
body[data-page="matematica"] .topo:not(.is-solido):not(.menu-aberto) .btn-ghost,
body[data-page="matematica"] .topo:not(.is-solido):not(.menu-aberto) .som,
body[data-page="matematica"] .topo:not(.is-solido):not(.menu-aberto) .menu-botao { color: var(--ink); border-color: color-mix(in oklch, var(--ink) 40%, transparent); }

.acoes-linha { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-md) var(--space-xl); }
.rodape-nav { display: flex; flex-wrap: wrap; gap: var(--space-sm) var(--space-xl); }
.rodape-nav a { text-decoration: none; font-weight: 500; font-size: 0.95rem; color: var(--text); border-bottom: 1px solid var(--ink-3); padding-bottom: 2px; transition: border-color 0.25s var(--ease-out), color 0.25s var(--ease-out); }
.rodape-nav a:hover { color: var(--brass); border-color: var(--brass); }

/* ---------- portas da página inicial ---------- */
.portas { display: grid; grid-template-columns: 1fr 1fr; min-height: min(92svh, 860px); transition: grid-template-columns 0.9s var(--ease); }
.portas:has(.porta-xadrez:hover) { grid-template-columns: 1.4fr 1fr; }
.portas:has(.porta-mat:hover) { grid-template-columns: 1fr 1.4fr; }
.porta { position: relative; display: flex; flex-direction: column; justify-content: flex-end; padding: clamp(1.5rem, 4vw, 3.5rem); overflow: hidden; isolation: isolate; text-decoration: none; }
.porta-conteudo { display: grid; gap: var(--space-md); justify-items: start; position: relative; z-index: 2; }
.porta-rotulo { font: 500 0.75rem/1 var(--sans); letter-spacing: 0.18em; text-transform: uppercase; }
.porta-titulo { font: 700 clamp(3rem, 7.4vw, 7.5rem)/0.95 var(--serif); letter-spacing: -0.015em; }
.porta-info { max-width: 30ch; line-height: 1.5; }
.porta-cta { display: inline-flex; align-items: center; gap: 0.65rem; min-height: 3rem; padding: 0 1.35rem; font: 500 0.9375rem/1 var(--sans); border: 1px solid currentColor; border-radius: 2px; transition: background-color 0.3s var(--ease-out), color 0.3s var(--ease-out), border-color 0.3s var(--ease-out); }
.porta-cta .seta { width: 1rem; height: 1rem; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: square; transition: transform 0.3s var(--ease); }
.porta:hover .porta-cta .seta { transform: translateX(4px); }
.porta-arte { position: absolute; z-index: 1; right: 6%; top: 3%; width: min(64%, 500px); transition: transform 1.1s var(--ease); }
.porta:hover .porta-arte { transform: scale(1.045) translateY(-6px); }
.porta-xadrez { background: var(--ink-2); color: var(--text); }
.porta-xadrez::before { content: ""; position: absolute; z-index: 0; inset: 0; background: radial-gradient(55% 50% at 62% 36%, color-mix(in oklch, var(--teal) 38%, transparent), transparent 72%); }
.porta-xadrez .porta-rotulo { color: var(--brass); }
.porta-xadrez .porta-info { color: var(--text-dim); }
.porta-xadrez:hover .porta-cta { background: var(--brass); color: var(--ink); border-color: var(--brass); }
.porta-mat { background: var(--ivory); color: var(--ink); }
.porta-mat::before { content: ""; position: absolute; z-index: 0; inset: 0; background: linear-gradient(var(--paper-line) 1px, transparent 1px) 0 0 / 40px 40px, linear-gradient(90deg, var(--paper-line) 1px, transparent 1px) 0 0 / 40px 40px; opacity: 0.7; }
.porta-mat .porta-rotulo { color: oklch(0.45 0.1 70); }
.porta-mat .porta-info { color: var(--ink-dim); }
.porta-mat:hover .porta-cta { background: var(--ink); color: var(--ivory); }
.porta-arte-mat { width: min(46%, 330px); right: 8%; top: 8%; outline: 1px solid oklch(0.16 0.008 70 / 0.18); box-shadow: 0 24px 50px -20px oklch(0.16 0.008 70 / 0.35); }

/* ---------- abertura da coleção Xadrez ---------- */
.ch { position: relative; min-height: 100svh; padding: calc(var(--topo-h) + 3rem) var(--gutter) 4.5rem; display: grid; align-items: center; overflow: hidden; isolation: isolate; background: var(--ink); }
.ch::before { content: ""; position: absolute; inset: 0; z-index: -2; background: repeating-linear-gradient(90deg, transparent 0 calc(12.5% - 1px), oklch(1 0 0 / 0.045) calc(12.5% - 1px) 12.5%); }
.ch-glows i { position: absolute; z-index: -1; right: -6%; top: 50%; width: min(80vw, 1060px); aspect-ratio: 1; translate: 0 -50%; opacity: 0; transition: opacity 1.4s var(--ease-out); }
.ch-glows i.on { opacity: 1; }
.ch-glows i[data-k="0"] { background: radial-gradient(closest-side, color-mix(in oklch, var(--plum) 55%, transparent), color-mix(in oklch, var(--plum) 12%, transparent) 55%, transparent 72%); }
.ch-glows i[data-k="1"] { background: radial-gradient(closest-side, color-mix(in oklch, var(--ember) 52%, transparent), color-mix(in oklch, var(--ember) 12%, transparent) 55%, transparent 72%); }
.ch-glows i[data-k="2"] { background: radial-gradient(closest-side, color-mix(in oklch, var(--teal) 42%, transparent), color-mix(in oklch, var(--teal) 10%, transparent) 55%, transparent 72%); }
.ch-glows i[data-k="3"] { background: radial-gradient(closest-side, color-mix(in oklch, var(--cobalt) 60%, transparent), color-mix(in oklch, var(--cobalt) 14%, transparent) 55%, transparent 72%); }
.ch-inner { width: 100%; max-width: var(--max); margin-inline: auto; display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); align-items: center; gap: var(--space-xl); }
.ch-texto { display: grid; gap: var(--space-lg); justify-items: start; position: relative; z-index: 2; }
.display-colecao { font-size: clamp(2.6rem, 12.5vw, 12rem); line-height: 0.92; }
.ch-atual { display: flex; align-items: baseline; gap: var(--space-md); }
.ch-n { font: 500 0.875rem/1 var(--sans); letter-spacing: 0.2em; color: var(--brass); font-variant-numeric: tabular-nums; }
.ch-nome { font: 700 1.25rem/1.1 var(--serif); letter-spacing: 0.06em; text-transform: uppercase; }
.ch-arte { position: relative; aspect-ratio: 4 / 5; width: 100%; max-height: calc(100svh - 7rem); margin-right: calc(var(--gutter) * -0.4); animation: emerge 1.4s var(--ease) 0.15s both; }
.ch-arte img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; opacity: 0; transform: scale(0.95); transition: opacity 1.1s var(--ease-out), transform 1.6s var(--ease); }
.ch-arte img.on { opacity: 1; transform: none; }

/* lances que aparecem um a um */
.palco-lances b { font-weight: 500; opacity: 0; transform: translateY(5px); display: inline-block; transition: opacity 0.4s var(--ease-out), transform 0.5s var(--ease); }
.palco-lances b.v { opacity: 1; transform: none; }
.palco-lances .jog { margin-right: 0.5em; white-space: nowrap; }

/* ---------- vestida: vídeo ao lado da camisa ---------- */
.vestida { background: var(--ink); padding: var(--space-4xl) var(--gutter); }
.vestida-cab { max-width: var(--max); margin-inline: auto; display: grid; gap: var(--space-md); justify-items: start; }
.vestida-abas { display: flex; flex-wrap: wrap; gap: var(--space-xs); margin-top: var(--space-sm); }
.vestida-abas button { display: inline-flex; align-items: center; gap: 0.6rem; min-height: 2.75rem; padding: 0 1.1rem; background: transparent; color: var(--text-dim); border: 1px solid var(--ink-3); border-radius: 2px; font: 500 0.9rem/1 var(--sans); cursor: pointer; transition: color 0.25s var(--ease-out), border-color 0.25s var(--ease-out), background-color 0.25s var(--ease-out); }
.vestida-abas button i { width: 0.7rem; height: 0.7rem; background: var(--c); border-radius: 1px; }
.vestida-abas button:hover { color: var(--text); border-color: color-mix(in oklch, var(--c) 70%, var(--text)); }
.vestida-abas button[aria-selected="true"] { background: var(--ivory); color: var(--ink); border-color: var(--ivory); }
.vestida-palco { max-width: var(--max); margin: var(--space-2xl) auto 0; }
.vestida-item { display: grid; grid-template-columns: 1fr; gap: var(--space-xl); animation: rise 0.8s var(--ease) both; }
.vestida-trio { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(0.75rem, 2vw, 1.75rem); align-items: start; }
.vestida-trio figure { margin: 0; }
.vestida-trio .video-moldura { max-width: none; max-height: none; aspect-ratio: 4 / 5; }
.vestida-foto img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; display: block; background: #1d1b19; border: 1px solid var(--ink-3); }
.js .vestida-item:not(.is-ativo) { display: none; }
.video-moldura { position: relative; aspect-ratio: 9 / 16; width: 100%; max-width: 440px; max-height: 82svh; background: #1d1b19; border: 1px solid var(--ink-3); overflow: hidden; }
.video-moldura video { width: 100%; height: 100%; object-fit: cover; display: block; }
.video-som { position: absolute; right: 0.75rem; bottom: 0.75rem; width: 2.75rem; height: 2.75rem; display: grid; place-items: center; background: color-mix(in oklch, var(--ink) 78%, transparent); color: var(--text); border: 1px solid color-mix(in oklch, var(--text) 30%, transparent); border-radius: 50%; cursor: pointer; transition: color 0.25s var(--ease-out), border-color 0.25s var(--ease-out); }
.video-som:hover, .video-som[aria-pressed="true"] { color: var(--brass); border-color: var(--brass); }
.video-som svg { width: 1.2rem; height: 1.05rem; fill: currentColor; stroke: currentColor; }
.video-som .alto { stroke: none; }
.video-som .onda, .video-som .corte { fill: none; stroke-width: 1.6; stroke-linecap: round; }
.video-som .onda { opacity: 0; }
.video-som[aria-pressed="true"] .onda { opacity: 1; }
.video-som[aria-pressed="true"] .corte { opacity: 0; }
.vestida-trio figcaption { margin-top: var(--space-sm); max-width: 44ch; font-size: 0.8125rem; line-height: 1.55; color: var(--text-dim); }
.vestida-trio figcaption span { display: inline-block; margin-right: 0.5rem; font-size: 0.6875rem; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: var(--brass); }
.vestida-camisa img { width: 100%; background: #1d1b19; border: 1px solid var(--ink-3); }
.vestida-info { display: grid; grid-template-columns: 1fr auto; gap: var(--space-lg) var(--space-xl); align-items: end; padding-top: var(--space-md); border-top: 1px solid var(--ink-3); }
.vestida-info > div { display: grid; gap: var(--space-sm); justify-items: start; }
.vestida-info .rotulo { color: var(--text-dim); font: 500 0.75rem/1 var(--sans); letter-spacing: 0.18em; text-transform: uppercase; }

/* ---------- como ler os lances ---------- */
.ler { background: var(--ink-2); padding: var(--space-4xl) var(--gutter); }
.ler-cab { max-width: var(--max); margin-inline: auto; display: grid; gap: var(--space-md); justify-items: start; }
.ler-corpo { max-width: var(--max); margin: var(--space-3xl) auto 0; display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; }
.ler-texto { display: grid; gap: var(--space-md); }
.ler-texto p { max-width: 46ch; color: var(--text-dim); }
.ler-texto p:first-child { font: 400 clamp(1.2rem, 1.9vw, 1.5rem)/1.5 var(--serif); color: var(--text); }
.lances-inline { white-space: nowrap; font: 500 0.9em var(--sans); letter-spacing: 0.06em; }
.ler-pecas { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: var(--ink-3); border: 1px solid var(--ink-3); }
.ler-pecas div { background: var(--ink-2); padding: var(--space-lg) var(--space-xs); text-align: center; }
.ler-pecas dt { font: 700 clamp(1.9rem, 3.2vw, 2.75rem)/1 var(--serif); color: var(--brass); }
.ler-pecas dd { margin: var(--space-xs) 0 0; font-size: 0.8125rem; color: var(--text-dim); }
.ler-cores { max-width: var(--max); margin: var(--space-3xl) auto 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: var(--space-md) var(--space-xl); }
.ler-cores li { display: inline-flex; align-items: center; gap: 0.6rem; font-size: 0.9375rem; color: var(--text-dim); }
.ler-cores i { width: 0.95rem; height: 0.95rem; background: var(--c); border-radius: 1px; display: inline-block; }

/* ---------- próxima coleção ---------- */
.proxima { display: flex; flex-direction: column; gap: var(--space-sm); padding: clamp(3.5rem, 8vw, 6rem) var(--gutter); background: var(--ivory); color: var(--ink); text-decoration: none; transition: background-color 0.5s var(--ease-out), color 0.5s var(--ease-out); }
.proxima > * { width: 100%; max-width: var(--max); margin-inline: auto; }
.proxima-rotulo { font: 500 0.75rem/1 var(--sans); letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-dim); }
.proxima-titulo { display: flex; align-items: center; gap: var(--space-lg); font: 700 clamp(2.75rem, 8vw, 7rem)/1 var(--serif); letter-spacing: -0.015em; }
.proxima-titulo .seta { width: 0.6em; height: 0.6em; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: square; transition: transform 0.5s var(--ease); }
.proxima:hover { background: var(--ink); color: var(--ivory); }
.proxima:hover .proxima-rotulo { color: var(--brass); }
.proxima:hover .seta { transform: translateX(12px); }
.proxima-escura { background: var(--ink-2); color: var(--text); }
.proxima-escura .proxima-rotulo { color: var(--text-dim); }
.proxima-escura:hover { background: var(--ivory); color: var(--ink); }
.proxima-escura:hover .proxima-rotulo { color: var(--ink-dim); }

/* ---------- abertura da coleção Matemática ---------- */
.mh { position: relative; background: var(--ivory); color: var(--ink); min-height: 100svh; padding: calc(var(--topo-h) + 3rem) var(--gutter) 4rem; display: grid; align-content: center; overflow: hidden; isolation: isolate; }
.mh::before { content: ""; position: absolute; inset: 0; z-index: -2; background: linear-gradient(var(--paper-line-2) 1px, transparent 1px) 0 0 / 200px 200px, linear-gradient(90deg, var(--paper-line-2) 1px, transparent 1px) 0 0 / 200px 200px, linear-gradient(var(--paper-line) 1px, transparent 1px) 0 0 / 40px 40px, linear-gradient(90deg, var(--paper-line) 1px, transparent 1px) 0 0 / 40px 40px; opacity: 0.65; }
.mh-inner { position: relative; z-index: 2; width: 100%; max-width: var(--max); margin-inline: auto; display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-lg); justify-items: start; }
.mh .eyebrow { color: oklch(0.45 0.1 70); }
.mh .lead { color: var(--ink-dim); }
.mh-formula { position: absolute; z-index: 1; right: calc(var(--gutter) * 0.5); bottom: 3%; font: 800 clamp(4rem, 15vw, 15rem)/1 var(--sans); letter-spacing: -0.045em; white-space: nowrap; color: oklch(0.16 0.008 70 / 0.1); pointer-events: none; user-select: none; }
.mh-formula sup { font-size: 0.6em; line-height: 0; position: relative; top: -0.12em; }

/* ---------- a conta por trás ---------- */
.conta { background: var(--ink); padding: var(--space-4xl) var(--gutter); }
.conta-cab { max-width: var(--max); margin-inline: auto; display: grid; gap: var(--space-md); justify-items: start; }
.conta-cab .h2 { max-width: 20ch; }
.conta-lista { max-width: var(--max); margin: var(--space-3xl) auto 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--gutter); }
.conta-lista li { border-top: 1px solid var(--ink-3); padding-top: var(--space-lg); display: grid; gap: var(--space-sm); align-content: start; }
.conta-n { font: italic 400 1.5rem/1 var(--serif); color: var(--brass); }
.conta-lista p { color: var(--text-dim); max-width: 40ch; }
.conta-lista em { font-family: var(--serif); font-style: italic; color: var(--text); }

/* ---------- telas menores ---------- */
@media (max-width: 960px) {
  .portas { grid-template-columns: 1fr; min-height: 0; }
  .portas:has(.porta-xadrez:hover), .portas:has(.porta-mat:hover) { grid-template-columns: 1fr; }
  .porta { min-height: 78svh; }
  .porta-arte { right: 50%; translate: 50% 0; top: 4%; width: min(62%, 340px); }
  .porta-arte-mat { width: min(40%, 200px); right: 50%; }
  .ch { min-height: 0; padding-top: calc(var(--topo-h) + 2rem); padding-bottom: 5rem; }
  .ch-inner { grid-template-columns: 1fr; gap: var(--space-lg); justify-items: start; }
  .ch-texto { display: contents; }
  .ch-texto .eyebrow { order: 1; }
  .ch-texto .display { order: 2; }
  .ch-arte { order: 3; margin: 0 auto; max-width: 440px; max-height: none; }
  .ch-texto .lead { order: 4; }
  .ch-texto .ch-atual { order: 5; }
  .ch-texto .hero-acoes { order: 6; width: 100%; }
  .ch-glows i { right: 50%; translate: 50% -30%; width: 120vw; top: 58%; }
  .vestida-trio { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .vestida-trio .vestida-video { grid-column: 1 / -1; }
  .vestida-info { grid-template-columns: 1fr; }
  .video-moldura { max-width: 380px; margin-inline: auto; }
  .vestida-video figcaption { margin-inline: auto; max-width: 380px; }
  .ler-corpo { grid-template-columns: 1fr; }
  .conta-lista { grid-template-columns: 1fr; gap: var(--space-xl); }
  .mh { min-height: 0; padding-top: calc(var(--topo-h) + 2rem); padding-bottom: 7rem; }
  .mh-formula { right: auto; left: var(--gutter); bottom: 2.5%; font-size: clamp(2.75rem, 15vw, 6rem); }
  .som-rotulo { display: none; }
  .som { padding: 0 0.7rem; }
  .topo { gap: var(--space-sm); }
  .topo-cta { padding: 0.55rem 0.8rem; }
  .topo-cta .seta { display: none; }
  .menu-botao { padding: 0 0.7rem; }
}
@media (max-width: 560px) {
  .porta-titulo { font-size: clamp(2.9rem, 15vw, 4.5rem); }
  .ler-pecas dt { font-size: 1.7rem; }
}
@media (prefers-reduced-motion: reduce) {
  .portas, .porta-arte, .proxima, .ch-arte img, .palco-lances b { transition-duration: 0.001ms !important; }
  .ch-arte { animation: none; }
}