:root {
  --bg: #0f1117;
  --surface: #171a21;
  --surface-alt: #20242d;
  --surface-hi: #2a2f3a;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --primary: #ff465c;
  --primary-strong: #d62f45;
  --primary-hover: #e23a50;
  --success: #2bd9a6;

  /* 5 tamanhos: título, seção, destaque, texto, nota */
  --fs-display: clamp(42px, 5.4vw, 80px);
  --fs-h2: clamp(30px, 3.6vw, 48px);
  --fs-lead: clamp(18px, 1.5vw, 21px);
  --fs-body: 17px;
  --fs-small: 14px;

  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}
* { box-sizing: border-box; }
html { color-scheme: dark; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body {
  font-family: "Montserrat", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: var(--fs-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  touch-action: manipulation;
  -webkit-tap-highlight-color: rgba(255, 70, 92, 0.2);
}
img { display: block; max-width: 100%; }
a { color: var(--primary); }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 clamp(16px, 3vw, 32px); }

/* acessibilidade */
.skip { position: absolute; left: 16px; top: -60px; z-index: 10; background: var(--primary-strong); color: #fff; padding: 10px 14px; border-radius: 8px; font-weight: 700; text-decoration: none; }
.skip:focus { top: 12px; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; border-radius: 8px; }
section[id] { scroll-margin-top: 24px; }
h1, h2, h3 { text-wrap: balance; }

/* topo */
.nav { display: flex; align-items: center; justify-content: space-between; padding: 22px 0; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.mark { width: 26px; height: 26px; transform: rotate(45deg); border-radius: 5px; background: var(--primary); display: grid; place-items: center; }
.mark::after { content: ""; width: 8px; height: 8px; border-radius: 2px; background: var(--bg); }
.word { font-weight: 900; font-size: var(--fs-lead); letter-spacing: 0.06em; }
.word b { color: var(--primary); }
.nav nav { display: flex; align-items: center; gap: 22px; }
.nav nav a { color: var(--muted); text-decoration: none; font-weight: 600; font-size: var(--fs-small); transition: color 0.15s; }
.nav nav a:hover { color: var(--text); }
.nav nav a.nav-cta { color: #fff; background: var(--primary-strong); padding: 9px 16px; border-radius: 999px; transition: background-color 0.15s, transform 0.15s var(--ease); }
.nav nav a.nav-cta:hover { background: var(--primary-hover); }

/* botões: pílula, uma cor */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 15px 26px; border-radius: 999px; background: var(--primary-strong);
  color: #fff; font-weight: 800; font-size: var(--fs-body); text-decoration: none;
  transition: background-color 0.15s, transform 0.2s var(--ease);
}
.btn:hover { background: var(--primary-hover); transform: translateY(-2px); }
.btn:active, .nav-cta:active { transform: translateY(0) scale(0.97); }
.tag { font-size: var(--fs-small); color: var(--muted); }

/* hero: título à esquerda, o Descobrir de verdade à direita */
.hero {
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(32px, 5vw, 80px); align-items: center;
  padding: clamp(24px, 5vw, 72px) 0 clamp(80px, 10vw, 160px);
}
.hero h1 { font-size: var(--fs-display); line-height: 0.98; font-weight: 900; letter-spacing: -0.035em; margin: 0 0 32px; }
.hero .lead { font-size: var(--fs-lead); color: var(--text); max-width: 46ch; margin: 0 0 36px; line-height: 1.55; }
.cta { display: flex; flex-wrap: wrap; gap: 14px 20px; align-items: center; }

.hero-deck { margin: 0; display: grid; justify-items: center; gap: 18px; }
.hero-deck figcaption { font-size: var(--fs-small); color: var(--muted); }
.deck { position: relative; width: min(100%, 360px); aspect-ratio: 360 / 560; }
.pcard {
  position: absolute; inset: 0; display: grid; grid-template-rows: 1fr auto;
  background: var(--surface); border-radius: 22px; overflow: hidden;
  transform-origin: 50% 100%;
  transition: transform 0.45s var(--ease), opacity 0.45s var(--ease);
}
/* os de trás aparecem como a pilha do app */
.pcard:nth-child(2) { transform: translateY(12px) scale(0.95); background: var(--surface-alt); }
.pcard:nth-child(3) { transform: translateY(24px) scale(0.9); background: var(--surface-alt); }
/* os de trás só mostram a borda: a arte fica apagada pra não brigar com o card de cima */
.pcard:not(:first-child) .art { opacity: 0.35; }
.pcard:nth-child(n + 4) { display: none; }
/* só o card de cima mostra as informações (os de trás são a borda da pilha) */
.pcard:not(:first-child) .pinfo { display: none; }
.pcard:nth-child(1) { z-index: 4; } .pcard:nth-child(2) { z-index: 3; } .pcard:nth-child(3) { z-index: 2; }
.pcard .art { width: 100%; height: 100%; object-fit: cover; object-position: 50% 22%; min-height: 0; }
.pcard:first-child .art { animation: drift 14s ease-in-out infinite alternate; }
.pinfo { padding: 16px 18px 18px; background: var(--surface); display: grid; gap: 6px; }
.phead { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.pname { margin: 0; font-size: var(--fs-lead); font-weight: 900; letter-spacing: -0.02em; line-height: 1; }
.rank { display: inline-flex; align-items: center; gap: 6px; font-weight: 800; font-size: var(--fs-small); white-space: nowrap; }
.rank img { width: 32px; height: 32px; }
.rid { margin: 0; color: var(--muted); font-size: var(--fs-small); }
.stats { margin: 2px 0 0; font-size: var(--fs-small); color: var(--muted); }
.stats b { color: var(--text); }
.bio { margin: 0; font-size: var(--fs-small); }
.chips { list-style: none; margin: 4px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.chips li { font-size: var(--fs-small); font-weight: 700; padding: 5px 11px; border-radius: 999px; background: var(--surface-hi); color: var(--text); }
.chips li.on { background: var(--primary-strong); color: #fff; }
/* saindo da pilha */
.pcard.out-like { transform: translate(120%, -4%) rotate(14deg); opacity: 0; }
.pcard.out-pass { transform: translate(-120%, -4%) rotate(-14deg); opacity: 0; }
.deck-end {
  position: absolute; inset: 0; z-index: 0; display: none; align-content: center; justify-items: start; gap: 14px;
  padding: 28px; border-radius: 22px; background: var(--surface);
}
.deck:not(:has(.pcard)) .deck-end { display: grid; }
.deck-end p { margin: 0; }
.end-title { font-size: var(--fs-lead); font-weight: 900; letter-spacing: -0.02em; }
.deck-actions { display: none; gap: 14px; width: min(100%, 360px); margin-top: 28px; }
.js .deck-actions { display: flex; }
.act {
  flex: 1; height: 60px; border: 0; border-radius: 18px; cursor: pointer;
  display: grid; place-items: center; color: var(--text); background: var(--surface-alt);
  transition: background-color 0.15s, transform 0.2s var(--ease);
}
.act.like { background: var(--primary-strong); color: #fff; }
.act:hover { transform: translateY(-2px); }
.act.pass:hover { background: var(--surface-hi); }
.act.like:hover { background: var(--primary-hover); }
.act:active { transform: scale(0.95); }
.act:disabled { opacity: 0.4; cursor: default; transform: none; }

/* por que o Spikr: título à esquerda, lista grande à direita */
.why {
  display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: clamp(32px, 6vw, 96px);
  padding: 0 0 clamp(96px, 12vw, 200px);
}
.why h2, .how h2, .use h2 { font-size: var(--fs-h2); font-weight: 900; letter-spacing: -0.03em; line-height: 1.05; margin: 0 0 18px; }
.why-head p { margin: 0; font-size: var(--fs-lead); max-width: 30ch; }
.why-list { margin: 0; display: grid; gap: 40px; }
.why-list dt { font-size: clamp(21px, 2.2vw, 30px); font-weight: 900; letter-spacing: -0.02em; line-height: 1.15; margin: 0 0 8px; }
.why-list dd { margin: 0; max-width: 52ch; }

/* como funciona: as telas do app, grandes */
.how { padding: 0 0 clamp(96px, 12vw, 200px); }
.how h2 { margin-bottom: 36px; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: clamp(14px, 1.8vw, 24px); }
.step img { width: 100%; height: auto; border-radius: 20px; background: var(--surface); }
.step h3 { margin: 18px 0 6px; font-size: var(--fs-lead); font-weight: 900; letter-spacing: -0.01em; }
.step p { margin: 0; font-size: 16px; }

/* sem baixar: faixa de cor inteira */
.use {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 80px); align-items: start;
  background: var(--surface); border-radius: 28px; padding: clamp(28px, 5vw, 72px);
  margin: 0 0 clamp(96px, 12vw, 200px);
}
.use-lead { font-size: var(--fs-lead); margin: 0 0 28px; max-width: 34ch; }
.install { margin: 0; padding-left: 22px; display: grid; gap: 16px; font-size: var(--fs-body); }
.install li::marker { color: var(--primary); font-weight: 900; }
.install b { font-weight: 800; }

/* fechamento: o nome volta grande */
footer { padding: 0 0 40px; color: var(--muted); font-size: var(--fs-small); }
.close { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px 40px; flex-wrap: wrap; padding: 0 0 48px; }
.close-word { margin: 0; font-size: clamp(72px, 17vw, 240px); font-weight: 900; letter-spacing: -0.04em; line-height: 0.8; color: var(--text); }
.close-word b { color: var(--primary); }
.close-cta { display: grid; gap: 16px; justify-items: start; padding-bottom: 8px; }
.close-line { margin: 0; font-size: var(--fs-h2); font-weight: 900; letter-spacing: -0.03em; color: var(--text); line-height: 1; }
footer .row { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; padding: 24px 0 0; }
footer a { color: var(--muted); margin-right: 18px; }
footer a:hover { color: var(--text); }
footer .disclaimer { margin: 12px 0 0; max-width: 60ch; }

/* documentos (privacidade/termos) */
.doc { max-width: 760px; padding: 24px 0 80px; }
.doc h1 { font-size: 34px; font-weight: 900; margin: 8px 0 4px; }
.doc h2 { font-size: 20px; font-weight: 800; margin: 36px 0 10px; }
.doc p, .doc li { color: var(--text); font-size: 16px; }
.doc em { color: var(--muted); }
.doc blockquote { margin: 18px 0; padding: 12px 16px; background: var(--surface); border-radius: 8px; color: var(--muted); }
.doc blockquote p { margin: 0; color: var(--muted); }
.doc table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 14px; display: block; overflow-x: auto; }
.doc th, .doc td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--surface-hi); vertical-align: top; } /* taste-skill-ignore: tabela de verdade */
.doc th { color: var(--text); font-weight: 700; background: var(--surface); }
.doc td { color: var(--text); }

/* entrada das partes de cada seção (o script põe .in quando aparece na tela).
   Só pra quem não pediu "menos movimento": nesse caso tudo já começa visível. */
@media (prefers-reduced-motion: no-preference) {
  .js [data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); transition-delay: var(--d, 0ms); }
  .js [data-reveal].in { opacity: 1; transform: none; }
}
@keyframes drift { from { transform: scale(1); } to { transform: scale(1.08) translateY(-2%); } }

@media (max-width: 1000px) {
  .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 40px; }
}
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; }
  .why, .use { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .nav nav { gap: 14px; }
  .nav nav a:not(.nav-cta):first-child { display: none; }
  .hero h1 { margin-bottom: 22px; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .close { padding-bottom: 32px; }
}
@media (prefers-reduced-motion: reduce) {
  .pcard, .btn, .act { transition: opacity 0.2s; }
  .pcard.out-like, .pcard.out-pass { transform: none; }
  .pcard:first-child .art { animation: none; }
  .btn:hover, .act:hover { transform: none; }
}