/* KRB CREATOR — site. Mesmo visual do app: preto, cinza, branco; amarelo/vermelho só no karaokê. */
:root {
  --bg: #050505; --bg2: #0b0b0b; --panel: #101010; --panel2: #161616; --line: #262626; --line2: #333;
  --text: #f2f2f2; --dim: #9a9a9a; --faint: #6b6b6b;
  --yellow: #ffe600; --red: #ff3b2f;
  --r: 18px; --max: 1180px;
  --font: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.6 var(--font); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.dim { color: var(--dim); }
.muted { color: var(--faint); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* fundo vivo, discreto */
.glow { position: fixed; inset: 0; pointer-events: none; z-index: -1;
  background: radial-gradient(900px 600px at 15% -10%, #2a2a2a 0%, transparent 60%), radial-gradient(800px 600px at 100% 10%, #1e1e1e 0%, transparent 60%), var(--bg); }

/* topo */
header.top { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(14px); background: rgba(5,5,5,.72); border-bottom: 1px solid transparent; transition: border-color .2s; }
header.top.scrolled { border-color: var(--line); }
.nav { display: flex; align-items: center; gap: 28px; height: 68px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 800; letter-spacing: 3px; font-size: 15px; }
.brand img { width: 34px; height: 34px; border-radius: 9px; }
.brand span { color: var(--dim); }
.nav nav { display: flex; gap: 26px; margin-left: auto; font-size: 15px; }
.nav nav a { text-decoration: none; color: var(--dim); }
.nav nav a:hover { color: var(--text); }

/* botões (iguais aos do app) */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 14px 26px; border-radius: 12px; font: 700 16px var(--font); text-decoration: none; cursor: pointer; border: 1px solid var(--line2); background: var(--panel2); color: var(--text); transition: transform .15s, background .15s, box-shadow .15s; }
.btn:hover { transform: translateY(-1px); background: #1d1d1d; }
.btn.primary { background: #fff; color: #000; border-color: #fff; letter-spacing: .5px; }
.btn.primary:hover { background: #e9e9e9; box-shadow: 0 12px 40px rgba(255,255,255,.12); }
.btn.lg { padding: 18px 34px; font-size: 18px; border-radius: 14px; }
.btn.sm { padding: 10px 18px; font-size: 14px; }
.btn svg { width: 20px; height: 20px; }

/* ícones (mesmo desenho do app) */
.ic { display: inline-grid; place-items: center; flex: none; width: 52px; height: 52px; border-radius: 14px; background: var(--panel2); border: 1px solid var(--line2); }
.ic svg { width: 26px; height: 26px; stroke: #f2f2f2; fill: none; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }

/* hero */
.hero { padding: 72px 0 40px; text-align: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; padding: 7px 16px 7px 8px; border-radius: 999px; border: 1px solid var(--line2); background: var(--panel); font-size: 14px; color: var(--dim); }
.eyebrow b { background: #fff; color: #000; border-radius: 999px; padding: 2px 10px; font-size: 12px; letter-spacing: 1px; }
.hero h1 { font-size: clamp(40px, 6.4vw, 84px); line-height: 1.02; letter-spacing: -2px; margin: 26px auto 22px; max-width: 980px; font-weight: 800; }
.kara { color: transparent; -webkit-background-clip: text; background-clip: text; background-image: linear-gradient(90deg, var(--red) var(--p, 0%), var(--yellow) var(--p, 0%)); }
.hero p.lead { font-size: clamp(18px, 2vw, 22px); color: var(--dim); max-width: 760px; margin: 0 auto 34px; }
.ctas { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.trust { display: flex; gap: 22px; justify-content: center; flex-wrap: wrap; margin-top: 26px; font-size: 14px; color: var(--dim); }
.trust span { display: inline-flex; align-items: center; gap: 8px; }
.trust svg { width: 18px; height: 18px; stroke: #cfcfcf; fill: none; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }
.hero-shot { margin: 56px auto 0; max-width: 1100px; perspective: 2200px; }
.hero-shot .frame { transform: rotateX(14deg) scale(.96); transform-origin: top; transition: transform .2s linear; }
.frame { border-radius: var(--r); overflow: hidden; border: 1px solid var(--line2); background: #000; box-shadow: 0 40px 120px rgba(0,0,0,.85), 0 0 0 1px rgba(255,255,255,.04), 0 0 120px rgba(255,255,255,.05); }
.frame .bar { height: 34px; display: flex; align-items: center; gap: 7px; padding: 0 14px; background: #0c0c0c; border-bottom: 1px solid var(--line); }
.frame .bar i { width: 11px; height: 11px; border-radius: 50%; background: #2c2c2c; }

/* seções */
section { padding: 96px 0; }
.sec-head { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.kicker { font-size: 13px; font-weight: 700; letter-spacing: 4px; color: var(--dim); text-transform: uppercase; }
h2 { font-size: clamp(32px, 4.2vw, 54px); line-height: 1.06; letter-spacing: -1.2px; margin: 14px 0 16px; font-weight: 800; }
h2 .g { color: #8c8c8c; }
.sec-head p { color: var(--dim); font-size: 19px; margin: 0; }
.line-top { border-top: 1px solid var(--line); }

/* trailer */
.trailer { position: relative; max-width: 1040px; margin: 0 auto; cursor: pointer; }
.trailer video { width: 100%; aspect-ratio: 16/9; background: #000; }
.play { position: absolute; inset: 0; display: grid; place-items: center; background: linear-gradient(transparent 40%, rgba(0,0,0,.55)); transition: opacity .2s; }
.play span { width: 96px; height: 96px; border-radius: 50%; background: #fff; display: grid; place-items: center; box-shadow: 0 20px 60px rgba(0,0,0,.6); transition: transform .2s; }
.trailer:hover .play span { transform: scale(1.06); }
.play svg { width: 36px; height: 36px; fill: #000; margin-left: 6px; }
.trailer.playing .play { opacity: 0; pointer-events: none; }

/* passos */
.steps { display: grid; grid-template-columns: 380px 1fr; gap: 40px; align-items: center; }
.step-list { display: grid; gap: 12px; }
.step-btn { display: flex; gap: 16px; text-align: left; padding: 18px; border-radius: 16px; border: 1px solid transparent; background: transparent; color: var(--text); cursor: pointer; font: inherit; transition: background .2s, border-color .2s; }
.step-btn[aria-selected="true"] { background: var(--panel); border-color: var(--line2); }
.step-btn .num { width: 36px; height: 36px; flex: none; border-radius: 50%; display: grid; place-items: center; font-weight: 800; background: var(--panel2); border: 1px solid var(--line2); }
.step-btn[aria-selected="true"] .num { background: #fff; color: #000; border-color: #fff; }
.step-btn b { display: block; font-size: 19px; }
.step-btn small { display: block; color: var(--dim); font-size: 15px; line-height: 1.45; margin-top: 4px; }
.step-btn .prog { height: 2px; background: var(--line); margin-top: 12px; border-radius: 2px; overflow: hidden; display: none; }
.step-btn[aria-selected="true"] .prog { display: block; }
.step-btn .prog i { display: block; height: 100%; width: 0; background: #fff; }
.step-view { position: relative; aspect-ratio: 16/9.3; }
.step-view .frame { position: absolute; inset: 0; opacity: 0; transform: translateY(10px) scale(.99); transition: opacity .45s, transform .45s; }
.step-view .frame.on { opacity: 1; transform: none; }
.step-view .frame img { width: 100%; height: calc(100% - 34px); object-fit: cover; object-position: top left; }

/* Sync AI */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split.rev > :first-child { order: 2; }
.ticks { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 16px; }
.ticks li { display: flex; gap: 14px; align-items: flex-start; }
.ticks li .ic { width: 44px; height: 44px; border-radius: 12px; }
.ticks li .ic svg { width: 22px; height: 22px; }
.ticks b { display: block; }
.ticks span { color: var(--dim); font-size: 16px; }
.ai-shot { max-width: 520px; margin-left: auto; }
.badge-new { display: inline-block; margin-left: 10px; font-size: 12px; letter-spacing: 2px; padding: 3px 10px; border-radius: 999px; background: #fff; color: #000; vertical-align: middle; }

/* letra por letra */
.letters { overflow: hidden; text-align: center; padding: 70px 24px; border-radius: 28px; border: 1px solid var(--line); background: radial-gradient(700px 300px at 50% 0%, #1f1f1f, #070707 70%); }
.letters .line { font: 800 clamp(34px, 5.4vw, 72px) Arial, var(--font); letter-spacing: .5px; line-height: 1.25; }
.letters .line span { color: transparent; -webkit-background-clip: text; background-clip: text; -webkit-text-stroke: 2px rgba(0,0,0,.6); paint-order: stroke fill; background-image: linear-gradient(90deg, var(--red) var(--p, 0%), var(--yellow) var(--p, 0%)); }
.letters .modes { display: inline-flex; gap: 6px; padding: 5px; border-radius: 12px; background: #0c0c0c; border: 1px solid var(--line2); margin-top: 34px; }
.letters .modes button { font: 600 14px var(--font); padding: 9px 16px; border-radius: 8px; border: 0; background: transparent; color: var(--dim); cursor: pointer; }
.letters .modes button[aria-pressed="true"] { background: #fff; color: #000; }
.letters p { color: var(--dim); max-width: 640px; margin: 22px auto 0; }

/* vídeo */
.vid-demo video { width: 100%; aspect-ratio: 16/9; object-fit: cover; }

/* recursos */
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.card { padding: 26px; border-radius: var(--r); background: var(--panel); border: 1px solid var(--line); transition: border-color .2s, transform .2s; }
.card:hover { border-color: var(--line2); transform: translateY(-2px); }
.card h3 { font-size: 19px; margin: 18px 0 8px; }
.card p { color: var(--dim); font-size: 15px; margin: 0; line-height: 1.5; }

/* idiomas */
.langs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.langs figure { margin: 0; }
.langs figcaption { text-align: center; margin-top: 14px; color: var(--dim); font-weight: 600; }

/* preço */
.price-wrap { display: grid; grid-template-columns: 1.05fr .95fr; gap: 28px; align-items: stretch; max-width: 1040px; margin: 0 auto; }
.price { padding: 40px; border-radius: 26px; background: linear-gradient(180deg, #151515, #0c0c0c); border: 1px solid #3a3a3a; position: relative; box-shadow: 0 40px 120px rgba(0,0,0,.7); }
.price .tag { position: absolute; top: -14px; left: 40px; background: #fff; color: #000; font-weight: 800; font-size: 12px; letter-spacing: 2px; padding: 5px 14px; border-radius: 999px; }
.price h3 { margin: 0; font-size: 22px; }
.price .was { margin-top: 18px; color: var(--dim); font-size: 16px; }
.price .was s { color: var(--dim); }
.price .was b { margin-left: 8px; background: #fff; color: #000; font-size: 12px; font-weight: 800; letter-spacing: 1px; padding: 3px 9px; border-radius: 999px; }
#barPrice s { opacity: .6; font-weight: 500; }
.price .val { font-size: 64px; font-weight: 800; letter-spacing: -2px; margin: 8px 0 0; line-height: 1; }
.price .val small { font-size: 20px; color: var(--dim); font-weight: 600; letter-spacing: 0; }
.price .inst { color: var(--dim); margin-top: 8px; min-height: 1.6em; }
.price ul { list-style: none; padding: 0; margin: 26px 0 30px; display: grid; gap: 12px; }
.price li { display: flex; gap: 12px; align-items: center; }
.price li svg { width: 20px; height: 20px; flex: none; stroke: #fff; fill: none; stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.price .btn { width: 100%; }
.price .secure { display: flex; gap: 10px; align-items: center; justify-content: center; color: var(--dim); font-size: 14px; margin-top: 16px; text-align: center; }
.price .secure svg { width: 18px; height: 18px; stroke: var(--dim); fill: none; stroke-width: 1.75; flex: none; }
.side { display: grid; gap: 16px; }
.side .card { display: flex; gap: 16px; align-items: flex-start; }
.side .card h3 { margin: 0 0 6px; }
.howbuy { counter-reset: s; list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.howbuy li { counter-increment: s; position: relative; padding-left: 36px; color: var(--dim); font-size: 15px; }
.howbuy li::before { content: counter(s); position: absolute; left: 0; top: 1px; width: 24px; height: 24px; border-radius: 50%; background: var(--panel2); border: 1px solid var(--line2); display: grid; place-items: center; font-size: 12px; font-weight: 800; color: var(--text); }

/* FAQ */
.faq { max-width: 820px; margin: 0 auto; display: grid; gap: 12px; }
.faq details { border: 1px solid var(--line); background: var(--panel); border-radius: 14px; padding: 0 22px; }
.faq summary { cursor: pointer; list-style: none; padding: 20px 0; font-weight: 700; font-size: 18px; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-size: 24px; line-height: 1; color: var(--dim); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--dim); margin: 0 0 20px; }

/* chamada final */
.final { text-align: center; padding: 110px 0; }
.final img { width: 92px; height: 92px; border-radius: 22px; margin: 0 auto 26px; box-shadow: 0 20px 60px rgba(0,0,0,.6); }

/* rodapé */
footer { border-top: 1px solid var(--line); padding: 46px 0 120px; color: var(--faint); font-size: 14px; }
.foot { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 30px; }
footer h4 { color: var(--text); margin: 0 0 12px; font-size: 14px; letter-spacing: 1px; }
footer a { color: var(--dim); text-decoration: none; display: block; margin: 6px 0; }
footer a:hover { color: var(--text); }

/* barra de compra fixa (celular) */
.buybar { position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 60; display: none; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 12px 12px 18px; border-radius: 16px; background: rgba(16,16,16,.92); border: 1px solid var(--line2); backdrop-filter: blur(12px); box-shadow: 0 20px 50px rgba(0,0,0,.7); transform: translateY(140%); transition: transform .3s; }
.buybar.show { transform: none; }
.buybar b { display: block; font-size: 15px; }
.buybar small { color: var(--dim); }

/* aparecer ao rolar */
.js .rv { opacity: 0; transform: translateY(20px); transition: opacity .45s ease, transform .45s ease; }
.js .rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js .rv { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* páginas de texto (termos/privacidade) */
.doc { max-width: 820px; margin: 0 auto; padding: 60px 24px 120px; }
.doc h1 { font-size: 44px; letter-spacing: -1px; margin: 0 0 8px; }
.doc h2 { font-size: 24px; letter-spacing: 0; margin: 40px 0 10px; }
.doc p, .doc li { color: #cfcfcf; }

@media (max-width: 980px) {
  .steps, .split, .price-wrap { grid-template-columns: 1fr; }
  .split.rev > :first-child { order: 0; }
  .ai-shot { margin: 0 auto; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .nav nav { display: none; }
  .foot { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  section { padding: 70px 0; }
  .hero { padding-top: 44px; }
  .grid, .langs { grid-template-columns: 1fr; }
  .buybar { display: flex; }
  .price { padding: 30px 22px; }
  .nav .btn { display: none; }
  .letters { padding: 50px 12px; }
}

/* imagens sempre na proporção certa (mesmo com cache antigo/atributos de tamanho) */
.frame img { width: 100%; height: auto; }
.hero-shot img { aspect-ratio: 16 / 9; object-fit: cover; object-position: top left; }
.langs img { aspect-ratio: 16 / 9; object-fit: cover; object-position: top left; }