/* Ponto Grave · site da marca. Escuro, dourado, tipografia pesada; animações respeitam prefers-reduced-motion. */
:root {
  --preto: #0E0C0A; --carvao: #171411; --card: #1E1B18; --linha: rgba(242, 236, 226, .12);
  --marfim: #F2ECE2; --cinza: #A79F94; --ouro: #E2B45E; --ouro-e: #B8862F; --vermelho: #D0493A; --azul: #4C7BE0;
  --raio: 18px; --larg: 1200px;
  --t-titulo: 'Archivo Black', 'Arial Black', sans-serif; --t-texto: 'Archivo', system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--preto); color: var(--marfim); font: 400 17px/1.6 var(--t-texto); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; }
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3 { font-family: var(--t-titulo); font-weight: 400; line-height: .98; margin: 0; letter-spacing: -.01em; }
.o { color: var(--ouro); }
.wrap { width: min(var(--larg), 100% - 32px); margin: 0 auto; }
.rot { font: 700 12px/1.4 var(--t-texto); letter-spacing: .24em; text-transform: uppercase; color: var(--ouro); }
.sub { color: var(--cinza); font-size: 19px; max-width: 640px; }
section { position: relative; }
.secao { padding: clamp(80px, 12vw, 150px) 0; }

/* ---------- Grão e brilho que segue o cursor ---------- */
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 100; opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E"); }
.brilho-cursor { position: fixed; left: 0; top: 0; width: 520px; height: 520px; margin: -260px 0 0 -260px; border-radius: 50%; pointer-events: none; z-index: 0;
  background: radial-gradient(circle, rgba(226, 180, 94, .13), transparent 60%); transition: opacity .4s; will-change: transform; }

/* ---------- Navegação ---------- */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 50; transition: background .4s, backdrop-filter .4s, transform .4s; }
.nav.solida { background: rgba(14, 12, 10, .78); backdrop-filter: blur(14px); border-bottom: 1px solid var(--linha); }
.nav.oculta { transform: translateY(-100%); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 20px; }
.nav .marca img { height: 34px; width: auto; }
.nav ul { list-style: none; display: flex; gap: 30px; margin: 0; padding: 0; }
.nav ul a { text-decoration: none; font-weight: 600; font-size: 15px; color: var(--cinza); position: relative; transition: color .3s; }
.nav ul a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -6px; height: 2px; background: var(--ouro); transition: right .35s cubic-bezier(.2, .8, .2, 1); }
.nav ul a:hover, .nav ul a.ativo { color: var(--marfim); }
.nav ul a:hover::after, .nav ul a.ativo::after { right: 0; }
.nav .acoes { display: flex; gap: 12px; align-items: center; }
.som { width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--linha); background: transparent; color: var(--marfim); cursor: pointer; display: grid; place-items: center; transition: border-color .3s, background .3s; }
.som:hover { border-color: var(--ouro); }
.som.ligado { background: var(--ouro); color: var(--preto); border-color: var(--ouro); }
.som svg { width: 18px; height: 18px; }
.menu-btn { display: none; }

/* ---------- Botões ---------- */
.btn { --c: var(--ouro); display: inline-flex; align-items: center; gap: 12px; padding: 17px 30px; border-radius: 60px; font: 700 15px var(--t-texto); letter-spacing: .06em; text-transform: uppercase;
  text-decoration: none; cursor: pointer; border: 0; position: relative; overflow: hidden; isolation: isolate; transition: transform .3s cubic-bezier(.2, .8, .2, 1); }
.btn-ouro { background: var(--ouro); color: var(--preto); }
.btn-ouro::before { content: ""; position: absolute; inset: 0; background: var(--marfim); transform: translateY(101%); transition: transform .45s cubic-bezier(.2, .8, .2, 1); z-index: -1; }
.btn-ouro:hover::before { transform: translateY(0); }
.btn-linha { color: var(--marfim); background: transparent; border: 1px solid rgba(242, 236, 226, .3); }
.btn-linha:hover { border-color: var(--ouro); color: var(--ouro); }
.btn .seta { transition: transform .35s; }
.btn:hover .seta { transform: translateX(5px); }

/* ---------- Hero ---------- */
.hero { min-height: 100svh; display: flex; align-items: center; overflow: hidden; }
.hero video, .hero .poster { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .38; filter: saturate(.85); }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(14, 12, 10, .55), rgba(14, 12, 10, .2) 40%, var(--preto)), radial-gradient(circle at 70% 40%, transparent, rgba(14, 12, 10, .7)); }
.hero .wrap { position: relative; z-index: 2; padding-top: 100px; padding-bottom: calc(190px + 7vh); }
.hero h1 { font-size: clamp(46px, 7.2vw, 108px); margin: 18px 0 24px; max-width: 1100px; }
.hero h1 .linha { display: block; overflow: hidden; padding-bottom: .06em; }
.hero h1 .linha > span { display: inline-block; transform: translateY(105%); animation: subir 1.1s cubic-bezier(.2, .8, .2, 1) forwards; }
.hero h1 .linha:nth-child(2) > span { animation-delay: .14s; }
.hero h1 .linha:nth-child(3) > span { animation-delay: .28s; }
.hero .sub { opacity: 0; animation: aparecer 1s .7s forwards; }
.hero .cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; opacity: 0; animation: aparecer 1s .9s forwards; }
.hero .rot { opacity: 0; animation: aparecer 1s .1s forwards; }
@keyframes subir { to { transform: translateY(0); } }
@keyframes aparecer { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

/* As 4 cordas do baixo no hero */
.cordas { position: absolute; left: 0; right: 0; bottom: 7vh; height: 180px; z-index: 3; cursor: crosshair; }
.cordas svg { width: 100%; height: 100%; overflow: visible; }
.cordas path { fill: none; stroke: url(#grad-corda); stroke-linecap: round; filter: drop-shadow(0 0 6px rgba(226, 180, 94, .35)); }
.cordas .nome { font: 700 12px var(--t-texto); fill: var(--cinza); letter-spacing: .2em; }
.dica-cordas { position: absolute; right: 24px; bottom: calc(9vh - 34px); z-index: 4; font-size: 13px; color: var(--cinza); letter-spacing: .08em; opacity: 0; animation: aparecer 1s 1.6s forwards; }
.rolar { position: absolute; left: 50%; bottom: 26px; z-index: 4; width: 26px; height: 42px; border: 2px solid rgba(242, 236, 226, .4); border-radius: 20px; transform: translateX(-50%); }
.rolar::after { content: ""; position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px; border-radius: 2px; background: var(--ouro); animation: rolar 1.8s infinite; }
@keyframes rolar { 0% { opacity: 0; transform: translateY(0); } 40% { opacity: 1; } 100% { opacity: 0; transform: translateY(14px); } }

/* ---------- Faixa infinita de estilos ---------- */
.faixa { border-block: 1px solid var(--linha); padding: 26px 0; overflow: hidden; background: var(--carvao); }
.faixa .trilho { display: flex; gap: 60px; width: max-content; animation: deslizar 38s linear infinite; }
.faixa:hover .trilho { animation-play-state: paused; }
.faixa span { font: 400 clamp(28px, 4vw, 52px) var(--t-titulo); color: transparent; -webkit-text-stroke: 1px rgba(242, 236, 226, .35); white-space: nowrap; transition: color .3s; }
.faixa span:hover { color: var(--ouro); -webkit-text-stroke-color: var(--ouro); }
.faixa i { font-style: normal; color: var(--ouro); font-size: 26px; align-self: center; }
@keyframes deslizar { to { transform: translateX(-50%); } }

/* ---------- Revelar ao rolar ---------- */
.revelar { opacity: 0; transform: translateY(40px); transition: opacity 1s cubic-bezier(.2, .8, .2, 1), transform 1s cubic-bezier(.2, .8, .2, 1); transition-delay: var(--atraso, 0s); }
.revelar.visivel { opacity: 1; transform: none; }
.titulo-letras .l { display: inline-block; opacity: 0; transform: translateY(.5em) rotate(6deg); transition: opacity .6s, transform .7s cubic-bezier(.2, .8, .2, 1); }
.titulo-letras.visivel .l { opacity: 1; transform: none; }

/* ---------- Coleção de livros ---------- */
.cab-secao { display: flex; justify-content: space-between; align-items: end; gap: 30px; flex-wrap: wrap; margin-bottom: 60px; }
.cab-secao h2 { font-size: clamp(40px, 6vw, 84px); max-width: 820px; }
.livros { display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px; }
.livro { perspective: 1100px; text-decoration: none; display: block; }
.livro .cartao { position: relative; border-radius: var(--raio); background: var(--card); padding: 34px 30px 30px; border: 1px solid var(--linha); transform-style: preserve-3d; transition: transform .25s ease-out, border-color .4s; height: 100%; }
.livro:hover .cartao { border-color: rgba(226, 180, 94, .45); }
.livro .capa { width: 72%; margin: 0 auto 28px; transform: translateZ(60px) rotate(-2deg); border-radius: 6px; box-shadow: 0 40px 60px -20px rgba(0, 0, 0, .8); transition: transform .5s cubic-bezier(.2, .8, .2, 1); }
.livro:hover .capa { transform: translateZ(90px) rotate(0) scale(1.03); }
.livro .selo { position: absolute; top: 18px; right: 18px; transform: translateZ(70px); font: 700 11px var(--t-texto); letter-spacing: .14em; text-transform: uppercase; padding: 7px 12px; border-radius: 30px; background: var(--ouro); color: var(--preto); }
.livro .selo.breve { background: transparent; color: var(--cinza); border: 1px solid var(--linha); }
.livro h3 { font-size: 30px; transform: translateZ(40px); }
.livro p { color: var(--cinza); margin: 10px 0 18px; transform: translateZ(30px); }
.livro .mais { font-weight: 700; color: var(--ouro); transform: translateZ(30px); display: inline-flex; gap: 8px; }
.livro .reflexo { position: absolute; inset: 0; border-radius: var(--raio); pointer-events: none; background: radial-gradient(circle at var(--mx, 50%) var(--my, 0%), rgba(255, 255, 255, .08), transparent 45%); }

/* ---------- Braço interativo ---------- */
.braco-sec { background: linear-gradient(180deg, var(--preto), var(--carvao)); overflow: hidden; }
.braco-grid { display: grid; grid-template-columns: 5fr 7fr; gap: 60px; align-items: center; }
.braco-grid h2 { font-size: clamp(38px, 5vw, 70px); margin: 18px 0 22px; }
.braco { position: relative; border-radius: var(--raio); background: #2A1F16; padding: 26px 16px 34px; box-shadow: inset 0 0 60px rgba(0, 0, 0, .6), 0 40px 80px -30px rgba(0, 0, 0, .9); }
.braco svg { width: 100%; height: auto; display: block; }
.braco .nota { cursor: pointer; }
.braco .nota circle { fill: rgba(242, 236, 226, .08); stroke: rgba(242, 236, 226, .25); transition: fill .25s, transform .25s; transform-box: fill-box; transform-origin: center; }
.braco .nota text { fill: transparent; font: 700 13px var(--t-texto); text-anchor: middle; pointer-events: none; transition: fill .25s; }
.braco .nota.acesa circle { fill: var(--ouro); stroke: var(--ouro); transform: scale(1.12); }
.braco .nota.acesa.tonica circle { fill: var(--vermelho); stroke: var(--vermelho); }
.braco .nota.acesa text { fill: var(--preto); }
.braco .nota.acesa.tonica text { fill: #fff; }
.braco .nota:hover circle { transform: scale(1.25); }
.legenda-braco { display: flex; gap: 18px; color: var(--cinza); font-size: 14px; margin-top: 18px; flex-wrap: wrap; }
.legenda-braco i { display: inline-block; width: 12px; height: 12px; border-radius: 50%; margin-right: 7px; vertical-align: -1px; }

/* ---------- Números ---------- */
.numeros { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--linha); border: 1px solid var(--linha); border-radius: var(--raio); overflow: hidden; }
.numeros div { background: var(--preto); padding: 44px 28px; }
.numeros b { display: block; font: 400 clamp(44px, 5vw, 72px) var(--t-titulo); color: var(--ouro); line-height: 1; }
.numeros span { color: var(--cinza); }

/* ---------- Método (cartões) ---------- */
.metodo { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.metodo article { padding: 34px 28px; border-radius: var(--raio); background: var(--card); border: 1px solid var(--linha); transition: transform .4s cubic-bezier(.2, .8, .2, 1), border-color .4s; }
.metodo article:hover { transform: translateY(-8px); border-color: rgba(226, 180, 94, .4); }
.metodo em { font: 400 46px var(--t-titulo); font-style: normal; color: transparent; -webkit-text-stroke: 1px var(--ouro); }
.metodo h3 { font-size: 22px; margin: 18px 0 10px; }
.metodo p { color: var(--cinza); margin: 0; font-size: 16px; }

/* ---------- Brinde ---------- */
.brinde { border-radius: 28px; background: linear-gradient(135deg, #2A2116, var(--card) 55%); border: 1px solid rgba(226, 180, 94, .25); padding: clamp(40px, 6vw, 80px); display: grid; grid-template-columns: 6fr 5fr; gap: 50px; align-items: center; overflow: hidden; }
.brinde h2 { font-size: clamp(38px, 5vw, 66px); margin: 16px 0 18px; }
.folhas { position: relative; height: 420px; }
.folhas img { position: absolute; width: 58%; border-radius: 6px; box-shadow: 0 40px 70px -20px rgba(0, 0, 0, .8); animation: flutuar 7s ease-in-out infinite; }
.folhas img:first-child { left: 4%; top: 6%; --r: -7deg; }
.folhas img:last-child { right: 2%; top: 14%; --r: 6deg; animation-delay: -3.5s; }
@keyframes flutuar { 0%, 100% { transform: translateY(0) rotate(var(--r)); } 50% { transform: translateY(-16px) rotate(calc(var(--r) * .6)); } }

/* ---------- Blog ---------- */
.posts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.post-card { text-decoration: none; display: flex; flex-direction: column; border-radius: var(--raio); overflow: hidden; background: var(--card); border: 1px solid var(--linha); transition: transform .45s cubic-bezier(.2, .8, .2, 1), border-color .4s; }
.post-card:hover { transform: translateY(-8px); border-color: rgba(226, 180, 94, .4); }
.post-card .img { aspect-ratio: 16 / 10; overflow: hidden; }
.post-card .img img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s cubic-bezier(.2, .8, .2, 1); filter: saturate(.8) brightness(.8); }
.post-card:hover .img img { transform: scale(1.07); filter: none; }
.post-card .txt { padding: 24px 26px 28px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.post-card h3 { font-size: 23px; line-height: 1.1; }
.post-card p { color: var(--cinza); margin: 0; font-size: 15.5px; }
.post-card .meta { margin-top: auto; padding-top: 10px; font-size: 13px; color: var(--cinza); }

/* ---------- Artigo ---------- */
.artigo-topo { padding: 170px 0 60px; }
.artigo-topo h1 { font-size: clamp(38px, 6vw, 76px); max-width: 960px; margin: 18px 0 22px; }
.artigo-capa { border-radius: 24px; overflow: hidden; aspect-ratio: 21 / 9; margin-bottom: 70px; }
.artigo-capa img { width: 100%; height: 100%; object-fit: cover; }
.prosa { max-width: 760px; margin: 0 auto; font-size: 19px; }
.prosa h2 { font-size: clamp(28px, 3.4vw, 40px); margin: 64px 0 18px; }
.prosa p, .prosa li { color: #DAD3C8; }
.prosa strong { color: var(--marfim); }
.prosa pre { background: #120F0C; border: 1px solid var(--linha); border-radius: 14px; padding: 20px 22px; overflow-x: auto; font: 15px/1.5 'JetBrains Mono', Consolas, monospace; color: var(--ouro); }
.prosa table { width: 100%; border-collapse: collapse; margin: 26px 0; font-size: 16px; display: block; overflow-x: auto; }
.prosa th, .prosa td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--linha); }
.prosa th { color: var(--ouro); font-size: 13px; letter-spacing: .1em; text-transform: uppercase; }
.prosa blockquote { margin: 40px 0; padding: 28px 30px; border-radius: 16px; background: rgba(226, 180, 94, .08); border-left: 4px solid var(--ouro); }
.prosa blockquote p { margin: 0; }
.barra-leitura { position: fixed; top: 0; left: 0; height: 3px; background: var(--ouro); z-index: 60; width: 0; }
.fim-artigo { max-width: 760px; margin: 80px auto 0; }

/* ---------- Página de livro ---------- */
.livro-hero { padding: 160px 0 100px; overflow: hidden; }
.livro-hero .grid { display: grid; grid-template-columns: 6fr 5fr; gap: 60px; align-items: center; }
.livro-hero h1 { font-size: clamp(56px, 9vw, 130px); margin: 16px 0 6px; }
.livro-hero h2 { font-family: var(--t-texto); font-weight: 600; font-size: clamp(20px, 2.4vw, 28px); color: var(--cinza); margin-bottom: 26px; }
.capa-3d { perspective: 1400px; }
.capa-3d .livro3d { position: relative; width: min(380px, 80%); margin: 0 auto; transform-style: preserve-3d; transform: rotateY(-24deg) rotateX(6deg); transition: transform .3s ease-out; animation: girar-entrada 1.6s cubic-bezier(.2, .8, .2, 1); }
.capa-3d .livro3d img { border-radius: 4px 8px 8px 4px; box-shadow: 30px 50px 80px -20px rgba(0, 0, 0, .9); }
.capa-3d .livro3d::before { content: ""; position: absolute; top: 1%; bottom: 1%; right: -18px; width: 18px; background: linear-gradient(90deg, #EEE6D8, #CFC6B8); transform: rotateY(90deg) translateZ(-9px) translateX(9px); transform-origin: left; }
@keyframes girar-entrada { from { transform: rotateY(-70deg) rotateX(10deg) translateY(40px); opacity: 0; } }
.preco-box { display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap; margin: 26px 0 10px; }
.preco-box s { color: var(--cinza); font-size: 22px; }
.preco-box b { font: 400 72px var(--t-titulo); color: var(--ouro); line-height: 1; }
.preco-box b small { font-size: 28px; margin-right: 4px; }
.contagem { display: flex; gap: 12px; margin: 24px 0 30px; }
.contagem div { min-width: 82px; text-align: center; padding: 14px 10px; border-radius: 14px; background: var(--card); border: 1px solid var(--linha); }
.contagem b { display: block; font: 400 34px var(--t-titulo); color: var(--marfim); }
.contagem span { font-size: 12px; color: var(--cinza); letter-spacing: .12em; text-transform: uppercase; }
.lista-check { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.lista-check li { padding-left: 38px; position: relative; color: #DAD3C8; }
.lista-check li::before { content: "✓"; position: absolute; left: 0; top: 1px; width: 26px; height: 26px; border-radius: 50%; background: var(--ouro); color: var(--preto); font-weight: 800; font-size: 14px; display: grid; place-items: center; }
.bonus-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.bonus-grid figure { margin: 0; text-align: center; transition: transform .4s cubic-bezier(.2, .8, .2, 1); }
.bonus-grid figure:hover { transform: translateY(-10px) rotate(-1.5deg); }
.bonus-grid img { border-radius: 6px; box-shadow: 0 24px 40px -16px rgba(0, 0, 0, .8); }
.bonus-grid figcaption { font-size: 14px; color: var(--cinza); margin-top: 12px; }
.faq details { border-bottom: 1px solid var(--linha); padding: 22px 0; }
.faq summary { cursor: pointer; font-weight: 700; font-size: 19px; list-style: none; display: flex; justify-content: space-between; gap: 20px; }
.faq summary::after { content: "+"; color: var(--ouro); font-size: 28px; line-height: 1; transition: transform .3s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq p { color: var(--cinza); margin: 14px 0 0; }
.garantia { display: flex; gap: 30px; align-items: center; padding: 36px; border-radius: var(--raio); background: var(--card); border: 1px solid var(--linha); }
.garantia .selo-g { flex: none; width: 120px; height: 120px; border-radius: 50%; display: grid; place-items: center; text-align: center; color: var(--preto);
  background: radial-gradient(circle at 35% 30%, #F3D58E, var(--ouro) 55%, var(--ouro-e)); font: 700 12px var(--t-texto); letter-spacing: .14em; animation: girar 18s linear infinite; }
.garantia .selo-g b { display: block; font: 400 44px/1 var(--t-titulo); letter-spacing: 0; }
@keyframes girar { to { transform: rotate(360deg); } }

/* ---------- Rodapé ---------- */
.rodape { border-top: 1px solid var(--linha); padding: 80px 0 40px; margin-top: 40px; }
.rodape .grande { font: 400 clamp(48px, 9vw, 130px) var(--t-titulo); line-height: .9; color: transparent; -webkit-text-stroke: 1px rgba(242, 236, 226, .2); margin-bottom: 60px; }
.rodape .cols { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.rodape h4 { font: 700 12px var(--t-texto); letter-spacing: .2em; text-transform: uppercase; color: var(--ouro); margin: 0 0 16px; }
.rodape ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.rodape a { text-decoration: none; color: var(--cinza); transition: color .3s; }
.rodape a:hover { color: var(--marfim); }
.rodape .base { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-top: 60px; padding-top: 26px; border-top: 1px solid var(--linha); color: var(--cinza); font-size: 14px; }

/* ---------- Responsivo ---------- */
@media (max-width: 960px) {
  .livros, .posts { grid-template-columns: 1fr; }
  .metodo, .numeros { grid-template-columns: 1fr 1fr; }
  .braco-grid, .brinde, .livro-hero .grid { grid-template-columns: 1fr; }
  .bonus-grid { grid-template-columns: repeat(3, 1fr); }
  .rodape .cols { grid-template-columns: 1fr 1fr; }
  .folhas { height: 340px; }
  .nav ul { position: fixed; inset: 76px 0 auto 0; flex-direction: column; gap: 0; background: rgba(14, 12, 10, .97); padding: 10px 16px 24px; transform: translateY(-120%); transition: transform .4s; }
  .nav ul.aberto { transform: none; }
  .nav ul a { display: block; padding: 14px 0; font-size: 20px; }
  .menu-btn { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--linha); background: transparent; color: var(--marfim); cursor: pointer; }
  .nav .acoes .btn { display: none; }
  .cordas { height: 150px; }
  .hero .wrap { padding-bottom: calc(150px + 9vh); }
}
@media (max-width: 560px) {
  .metodo, .numeros { grid-template-columns: 1fr; }
  .rodape .cols { grid-template-columns: 1fr; }
  .contagem div { min-width: 0; flex: 1; }
  .dica-cordas { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .revelar, .titulo-letras .l { opacity: 1; transform: none; }
  .brilho-cursor { display: none; }
}

/* =====================================================================
   TEMA CLARO (marca, blog, institucional): papel, tinta e dourado.
   A página de venda do livro continua no tema escuro.
   ===================================================================== */
body.tema-claro {
  --fundo: #F6F1E8; --papel: #FBF8F2; --tinta: #1A1612; --suave: #6B6259; --linha-c: #E3DACB;
  background: var(--fundo); color: var(--tinta);
}
body.tema-claro::before { opacity: .035; }
body.tema-claro .brilho-cursor { background: radial-gradient(circle, rgba(226, 180, 94, .16), transparent 60%); }
body.tema-claro .sub, body.tema-claro .metodo p, body.tema-claro .post-card p, body.tema-claro .post-card .meta { color: var(--suave); }
body.tema-claro .rot { color: var(--ouro-e); }
body.tema-claro .o { color: var(--ouro-e); }
body.tema-claro .nav.solida { background: rgba(246, 241, 232, .85); border-bottom-color: var(--linha-c); }
body.tema-claro .nav ul a { color: var(--suave); }
body.tema-claro .nav ul a:hover, body.tema-claro .nav ul a.ativo { color: var(--tinta); }
body.tema-claro .som, body.tema-claro .menu-btn { color: var(--tinta); border-color: var(--linha-c); }
body.tema-claro .btn-linha { color: var(--tinta); border-color: rgba(26, 22, 18, .25); }
body.tema-claro .btn-linha:hover { color: var(--ouro-e); border-color: var(--ouro-e); }
body.tema-claro .btn-ouro::before { background: var(--tinta); }
body.tema-claro .btn-ouro:hover { color: var(--papel); }
@media (max-width: 960px) { body.tema-claro .nav ul { background: rgba(246, 241, 232, .98); } }

/* Hero editorial: texto à esquerda, foto emoldurada à direita, cordas sobre o papel */
.hero-clean { min-height: 100svh; display: flex; align-items: center; overflow: hidden; }
.hero-clean .wrap { position: relative; z-index: 2; display: grid; grid-template-columns: 7fr 5fr; gap: 60px; align-items: center; padding: 120px 0 calc(150px + 6vh); }
.hero-clean h1 { font-size: clamp(46px, 6.6vw, 100px); margin: 18px 0 24px; }
.hero-clean h1 .linha { display: block; overflow: hidden; padding-bottom: .06em; }
.hero-clean h1 .linha > span { display: inline-block; transform: translateY(105%); animation: subir 1.1s cubic-bezier(.2, .8, .2, 1) forwards; }
.hero-clean h1 .linha:nth-child(2) > span { animation-delay: .14s; }
.hero-clean h1 .linha:nth-child(3) > span { animation-delay: .28s; }
.hero-clean .sub, .hero-clean .cta, .hero-clean .rot { opacity: 0; animation: aparecer 1s .6s forwards; }
.hero-clean .cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; animation-delay: .8s; }
.hero-clean .rot { animation-delay: .1s; }
.moldura { position: relative; border-radius: 26px; overflow: hidden; aspect-ratio: 4 / 5; box-shadow: 0 50px 90px -40px rgba(26, 22, 18, .55);
  opacity: 0; animation: aparecer 1.3s .4s forwards; }
.moldura img, .moldura video { width: 100%; height: 100%; object-fit: cover; transform: scale(1.08); transition: transform 1.6s cubic-bezier(.2, .8, .2, 1); }
.moldura:hover img, .moldura:hover video { transform: scale(1.02); }
.moldura .etiqueta { position: absolute; left: 18px; bottom: 18px; padding: 10px 16px; border-radius: 30px; background: rgba(246, 241, 232, .92); color: var(--tinta);
  font: 700 12px var(--t-texto); letter-spacing: .12em; text-transform: uppercase; }
body.tema-claro .cordas { bottom: 4vh; height: 150px; }
body.tema-claro .cordas path { filter: none; }
body.tema-claro .cordas .nome { fill: var(--suave); }
body.tema-claro .dica-cordas { color: var(--suave); bottom: calc(4vh - 30px); }
body.tema-claro .rolar { display: none; }

/* Blocos no tema claro */
body.tema-claro .faixa { background: var(--papel); border-color: var(--linha-c); }
body.tema-claro .faixa span { -webkit-text-stroke-color: rgba(26, 22, 18, .28); }
body.tema-claro .faixa span:hover { color: var(--ouro-e); -webkit-text-stroke-color: var(--ouro-e); }
body.tema-claro .livro .cartao, body.tema-claro .metodo article, body.tema-claro .post-card { background: var(--papel); border-color: var(--linha-c); }
body.tema-claro .livro p { color: var(--suave); }
body.tema-claro .livro .mais { color: var(--ouro-e); }
body.tema-claro .livro .selo.breve { color: var(--suave); border-color: var(--linha-c); }
body.tema-claro .livro .capa { box-shadow: 0 40px 60px -24px rgba(26, 22, 18, .55); }
body.tema-claro .livro .reflexo { background: radial-gradient(circle at var(--mx, 50%) var(--my, 0%), rgba(226, 180, 94, .14), transparent 45%); }
body.tema-claro .numeros { background: var(--linha-c); border-color: var(--linha-c); }
body.tema-claro .numeros div { background: var(--papel); }
body.tema-claro .numeros b { color: var(--tinta); }
body.tema-claro .numeros span { color: var(--suave); }
body.tema-claro .metodo em { -webkit-text-stroke-color: var(--ouro-e); }
body.tema-claro .post-card .img img { filter: saturate(.9); }
body.tema-claro .braco-sec { background: transparent; }
body.tema-claro .braco-sec .sub { color: var(--suave); }
body.tema-claro .legenda-braco { color: var(--suave); }
body.tema-claro .brinde { background: var(--tinta); color: var(--marfim); border: 0; }
body.tema-claro .brinde .sub { color: #CFC6B8; }
body.tema-claro .brinde .rot, body.tema-claro .brinde .o { color: var(--ouro); }
body.tema-claro .app-bloco { background: var(--papel) !important; border-color: var(--linha-c) !important; }

/* Leitura (blog e institucional) */
body.tema-claro .prosa { font: 400 19px/1.75 Georgia, 'Times New Roman', serif; }
body.tema-claro .prosa p, body.tema-claro .prosa li { color: #2B251F; }
body.tema-claro .prosa strong { color: var(--tinta); }
body.tema-claro .prosa h2 { color: var(--tinta); }
body.tema-claro .prosa pre { background: var(--tinta); color: var(--ouro); border: 0; }
body.tema-claro .prosa th { color: var(--ouro-e); }
body.tema-claro .prosa th, body.tema-claro .prosa td { border-bottom-color: var(--linha-c); }
body.tema-claro .prosa blockquote { background: var(--papel); border-left-color: var(--ouro-e); }
body.tema-claro .prosa a { color: var(--ouro-e); }
body.tema-claro .artigo-capa { box-shadow: 0 40px 80px -40px rgba(26, 22, 18, .5); }

/* Rodapé escuro, para "aterrar" as páginas claras */
body.tema-claro .rodape { background: var(--tinta); color: var(--marfim); border: 0; margin-top: 60px; }
@media (max-width: 960px) {
  .hero-clean .wrap { grid-template-columns: 1fr; gap: 40px; padding-top: 110px; }
  .moldura { aspect-ratio: 16 / 11; }
}
body.tema-claro .cordas path { stroke: #9C7A45; }

/* ---------- Clareza das interações ---------- */
.braco .nota text { fill: rgba(242, 236, 226, .55); }
.braco .regiao { fill: rgba(226, 180, 94, .12); stroke: rgba(226, 180, 94, .55); stroke-dasharray: 6 5; }
.braco .regiao-rot { fill: var(--ouro); font: 700 12px var(--t-texto); letter-spacing: .12em; }
.passo-braco { min-height: 26px; margin-top: 14px; font: 700 15px var(--t-texto); color: var(--ouro); letter-spacing: .04em; }
body.tema-claro .passo-braco { color: var(--ouro-e); }
.aviso-corda { position: absolute; z-index: 5; left: 50%; bottom: calc(4vh + 8px); transform: translateX(-50%); padding: 8px 16px; border-radius: 30px; pointer-events: none;
  background: var(--tinta, #1A1612); color: var(--marfim); font: 700 13px var(--t-texto); letter-spacing: .06em; box-shadow: 0 10px 30px rgba(0, 0, 0, .25);
  animation: pulsar 2s ease-in-out infinite; transition: opacity .4s; }
.aviso-corda.some { opacity: 0; animation: none; }
@keyframes pulsar { 0%, 100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, -6px); } }
.nome-corda { position: absolute; z-index: 5; pointer-events: none; padding: 4px 10px; border-radius: 20px; background: var(--ouro); color: var(--preto);
  font: 700 12px var(--t-texto); letter-spacing: .08em; transform: translate(-50%, -140%); opacity: 0; transition: opacity .2s; }
.nome-corda.ve { opacity: 1; }
.toast { position: fixed; z-index: 90; left: 50%; bottom: 28px; transform: translate(-50%, 20px); opacity: 0; padding: 12px 20px; border-radius: 30px;
  background: #1A1612; color: #F2ECE2; font: 600 14px var(--t-texto); transition: opacity .3s, transform .3s; pointer-events: none; }
.toast.ve { opacity: 1; transform: translate(-50%, 0); }
/* Capas que não podem ser cortadas (diagramas): encaixam inteiras */
.encaixar img { object-fit: contain !important; background: #FFFFFF; }