/* ==========================================================================
   Vault3D · Landing (uma dobra)
   Tudo cabe em uma tela: texto + download à esquerda, visualizador 3D à
   direita e as cinco funcionalidades em faixa na base. Em telas pequenas
   (celular, notebooks muito baixos) a página passa a rolar normalmente.
   ========================================================================== */

:root {
  --bg: #05080c;
  --bg-2: #0a1017;
  --surface: #0e151e;
  --surface-2: #141d28;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #f2f6fa;
  --muted: #8d9aaa;
  --accent: #22d3ee;
  --accent-soft: rgba(34, 211, 238, 0.12);
  --warm: #fbbf24;
  --on-accent: #031016;

  --font: 'Plus Jakarta Sans', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --gutter: clamp(16px, 3.2vw, 48px);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }

html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img, svg, canvas { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3 { margin: 0; text-wrap: balance; letter-spacing: -0.03em; }
p { margin: 0; }

/* ---------- Estrutura de tela única ---------- */
.page {
  position: relative; isolation: isolate; overflow: hidden;
  min-height: 100%; height: 100dvh;
  display: grid; grid-template-rows: auto minmax(0, 1fr);
  gap: clamp(12px, 2.2vh, 28px);
  padding: clamp(12px, 2.2vh, 24px) var(--gutter) clamp(14px, 2.6vh, 28px);
}
.page::before { content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(45% 55% at 74% 42%, rgba(34, 211, 238, .16), transparent 70%), radial-gradient(30% 35% at 8% 8%, rgba(8, 145, 178, .14), transparent 70%); }
.page::after { content: ""; position: absolute; inset: 0; z-index: -1; opacity: .45;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px; mask-image: radial-gradient(60% 60% at 62% 45%, #000 15%, transparent 75%); -webkit-mask-image: radial-gradient(60% 60% at 62% 45%, #000 15%, transparent 75%); }
.inner { width: 100%; max-width: 1320px; margin: 0 auto; }
/* Miolo + cards formam um bloco só, centralizado na altura disponível */
.stage { min-height: 0; display: flex; flex-direction: column; justify-content: center; gap: clamp(16px, 2.6vh, 32px); }

/* ---------- Topo ---------- */
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.15rem; letter-spacing: -0.02em; }
.brand img { width: 32px; height: 32px; border-radius: 9px; }
.brand b { color: var(--accent); font-weight: inherit; }
.top-meta { display: flex; align-items: center; gap: 18px; color: var(--muted); font-size: .88rem; }

/* ---------- Banner de login ---------- */
.deep-link-banner { position: fixed; inset: 0 0 auto; z-index: 50; display: none; align-items: center; justify-content: center; flex-wrap: wrap; gap: 10px 16px;
  padding: calc(12px + env(safe-area-inset-top, 0px)) var(--gutter) 12px; background: var(--accent); color: var(--on-accent); font-weight: 500; text-align: center; }
.deep-link-banner.active { display: flex; }
.deep-link-banner a { background: var(--on-accent); color: var(--accent); padding: 6px 16px; border-radius: 999px; font-weight: 600; }

/* ---------- Botões ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; font: 600 1rem var(--font); padding: 14px 26px; border-radius: 999px;
  border: 1px solid transparent; white-space: nowrap; transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease; }
.btn svg { width: 18px; height: 18px; flex: none; }
.btn-primary { background: var(--accent); color: var(--on-accent); box-shadow: 0 8px 30px -8px rgba(34, 211, 238, .55); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 40px -10px rgba(34, 211, 238, .75); }
.btn-sm { padding: 9px 18px; font-size: .9rem; }

/* ---------- Miolo: texto + visualizador ---------- */
.main { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(24px, 4vw, 64px); align-items: center; }
.copy { display: grid; gap: clamp(14px, 2.4vh, 24px); justify-items: start; align-content: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: .8rem; font-weight: 600; color: var(--accent);
  padding: 6px 14px; border-radius: 999px; background: var(--accent-soft); border: 1px solid rgba(34, 211, 238, .22); }
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: pulse 2.4s ease-in-out infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 6px rgba(34, 211, 238, 0); } 0%, 100% { box-shadow: 0 0 0 2px rgba(34, 211, 238, .25); } }
h1 { font-size: clamp(2.1rem, min(4.6vw, 7.4vh), 4.2rem); font-weight: 800; line-height: 1.04; }
.grad { background: linear-gradient(100deg, #ffffff 5%, var(--accent) 85%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: clamp(1rem, min(1.35vw, 2.3vh), 1.18rem); color: var(--muted); max-width: 52ch; }
.lead strong { color: var(--text); font-weight: 600; }
.cta { display: flex; flex-wrap: wrap; align-items: center; gap: clamp(18px, 3vh, 28px) 22px; }
.facts { display: flex; flex-wrap: wrap; gap: 10px 26px; color: var(--muted); font-size: .86rem; }
.facts span { display: inline-flex; align-items: center; gap: 7px; }
.facts svg { width: 15px; height: 15px; color: var(--accent); }

/* Visualizador 3D */
.viewer { position: relative; height: clamp(260px, calc(100dvh - 330px), 820px); min-height: 260px; border-radius: 24px; border: 1px solid var(--line-strong); overflow: hidden;
  background: radial-gradient(80% 70% at 50% 30%, #102331, var(--bg-2) 70%); box-shadow: 0 40px 120px -40px rgba(34, 211, 238, .35), inset 0 1px 0 rgba(255, 255, 255, .06); }
.viewer canvas { position: absolute; inset: 0; width: 100% !important; height: 100% !important; cursor: grab; touch-action: pan-y; }
.viewer canvas:active { cursor: grabbing; }
.vbar { position: absolute; left: 14px; right: 14px; display: flex; justify-content: space-between; align-items: center; gap: 10px; pointer-events: none; z-index: 1; }
.vbar.top-bar { top: 14px; }
.vbar.bottom-bar { bottom: 14px; align-items: flex-end; }
.chip { pointer-events: auto; display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px; border-radius: 999px; font-size: .8rem; font-weight: 600; min-width: 0;
  background: rgba(5, 8, 12, .7); border: 1px solid var(--line-strong); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); font-variant-numeric: tabular-nums; }
.chip .k { background: var(--accent); color: var(--on-accent); border-radius: 4px; padding: 1px 6px; font-size: .66rem; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
.caption { max-width: 100%; transition: opacity .25s ease; }
.caption.swap { opacity: 0; }
.caption .txt { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.caption.warm .k { background: var(--warm); color: #231800; }
.caption s { color: var(--muted); }
.caption b { color: var(--accent); font-weight: 700; }
.hint { color: var(--muted); font-size: .75rem; white-space: nowrap; }

/* ---------- Faixa de funcionalidades ---------- */
.features { list-style: none; margin: 0 auto; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.features li { display: flex; }
.feat { height: 100%; align-content: start; position: relative; overflow: hidden; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 4px 12px; align-items: start; text-align: left;
  padding: clamp(12px, 1.8vh, 18px) 16px; border-radius: 16px; border: 1px solid var(--line); background: rgba(14, 21, 30, .8);
  font: inherit; color: inherit; cursor: pointer; width: 100%; transition: border-color .25s, background-color .25s, transform .25s; }
.feat:hover { border-color: rgba(34, 211, 238, .35); transform: translateY(-2px); }
.feat[aria-pressed="true"] { border-color: rgba(34, 211, 238, .6); background: linear-gradient(180deg, rgba(34, 211, 238, .1), rgba(14, 21, 30, .9)); }
.feat .ico { grid-row: span 2; width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); }
.feat .ico svg { width: 20px; height: 20px; }
.feat h3 { font-size: .98rem; font-weight: 700; line-height: 1.25; letter-spacing: -0.01em; }
.feat p { font-size: .84rem; color: var(--muted); line-height: 1.4; }
.feat .bar { position: absolute; left: 0; bottom: 0; height: 2px; width: 0; background: var(--accent); }
.feat[aria-pressed="true"] .bar { animation: fill var(--cycle, 4.5s) linear forwards; }
.features.paused .feat .bar { animation-play-state: paused; }
@keyframes fill { to { width: 100%; } }

/* ---------- Telas menores: vira página com rolagem ---------- */
@media (max-width: 1180px) {
  .features { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .feat:nth-child(4), .feat:nth-child(5) { grid-column: span 1; }
}
@media (max-width: 1180px), (max-height: 600px) {
  .page { height: auto; min-height: 100dvh; overflow: visible; }
  .viewer { height: auto; aspect-ratio: 4 / 3; }
}
@media (max-width: 900px) {
  .main { grid-template-columns: minmax(0, 1fr); }
  .features { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .top-meta span { display: none; }
}
@media (max-width: 520px) {
  .features { grid-template-columns: minmax(0, 1fr); }
  .hint { display: none; }
  .cta .btn { width: 100%; }
}

/* Alternador Sólido / Aramado */
.seg-btn { font: 600 .76rem var(--font); color: var(--muted); background: none; border: 0; padding: 5px 11px; border-radius: 999px; cursor: pointer; }
.seg-btn[aria-pressed="true"] { background: var(--accent); color: var(--on-accent); }