/* Preview da landing Ideia 4: só tokens do design system, nenhum valor solto de cor. */
@font-face { font-family: "Anton"; src: url("/assets/ideia4/fonts/Anton-Regular.ttf") format("truetype"); font-weight: 400; font-display: swap; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--surface); color: var(--ink-body); font-family: var(--font-sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }

.wrap { padding-inline: var(--space-16); max-width: 1440px; margin-inline: auto; }
section { position: relative; overflow: hidden; padding-block: var(--space-32); border-top: 1px solid var(--border); }
.sec-head { display: grid; gap: var(--space-6); margin-bottom: var(--space-16); }

/* Nav */
.nav { position: sticky; top: 0; z-index: 20; background: var(--surface); border-bottom: 1px solid var(--border); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav__logo img { height: 28px; width: auto; }
.nav__links { display: flex; gap: var(--space-8); font-family: var(--font-sans); font-size: 13px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; }
.nav__links a { color: var(--ink-body); transition: color var(--dur-fast); }
.nav__links a:hover { color: var(--accent-text); }

/* Hero */
.hero { min-height: calc(100vh - 72px); display: flex; align-items: center; border-top: 0; }
.hero .wrap { position: relative; z-index: 1; display: grid; gap: var(--space-8); }
.hero .i4-headline { font-size: clamp(44px, 8vw, 150px); line-height: 0.9; }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-top: var(--space-4); }
.hero__mark { position: absolute; right: -6%; top: 50%; transform: translateY(-50%); width: min(50vw, 640px); opacity: 0.16; }
.hud-foot { position: absolute; left: var(--space-16); right: var(--space-16); bottom: var(--space-6); display: flex; justify-content: space-between; color: var(--ink-muted); font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.04em; z-index: 1; }

/* Eyebrow animado: letras são inline-block, então precisa de bloco para quebrar linha */
.i4-eyebrow[data-scramble] { display: block; }
.i4-eyebrow[data-scramble]::before { display: inline-block; vertical-align: -1px; margin-right: var(--space-3); }

/* Grids */
.grid { display: grid; gap: var(--space-6); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--6 { grid-template-columns: repeat(6, 1fr); }
.grid--2 { grid-template-columns: 1fr 1fr; align-items: center; gap: var(--space-16); }
.tags { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-6); }
.tag { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink-muted); border: 1px solid var(--border); padding: 4px var(--space-3); border-radius: var(--radius-sm); }
.i4-card { transition: border-color var(--dur-fast); }
.i4-card:hover { border-color: var(--laranja-ideia); }

/* Mídia */
.frame-media img, .frame-media iframe { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border: 0; filter: grayscale(1) contrast(1.1); }
.frame-media iframe { filter: none; }
.stat { font-family: var(--font-display); font-size: 72px; line-height: 1; color: var(--ink); }
.stat small { display: block; margin-top: var(--space-2); font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.04em; color: var(--ink-muted); text-transform: uppercase; }
.list { list-style: none; margin: var(--space-6) 0 0; padding: 0; display: grid; gap: var(--space-3); }
.list li { display: flex; gap: var(--space-3); font-size: 15px; line-height: 23px; }
.list li::before { content: ""; width: 8px; height: 8px; background: var(--laranja-ideia); flex: none; margin-top: 8px; }

/* Faixa em loop */
.marquee { border-block: 1px solid var(--border); overflow: hidden; padding-block: var(--space-6); }
.marquee__track { display: flex; gap: var(--space-12); width: max-content; animation: i4-loop 32s linear infinite; font-family: var(--font-display); font-size: 40px; text-transform: uppercase; color: var(--ink); white-space: nowrap; }
.marquee__track span:nth-child(even) { color: var(--laranja-ideia); }
@keyframes i4-loop { to { transform: translateX(-50%); } }

/* CTA + rodapé */
.cta { text-align: left; }
.cta .i4-headline { font-size: clamp(48px, 8vw, 120px); }
.cta .i4-lead { margin-block: var(--space-6) var(--space-12); }
.foot { border-top: 1px solid var(--border); padding-block: var(--space-8); }
.foot .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-4); font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.04em; color: var(--ink-muted); }
.foot a:hover { color: var(--accent-text); }

/* Boot */
.i4-boot--page { position: fixed; inset: 0; z-index: 100; }
.i4-boot--page.is-done { display: none; }

@media (max-width: 1100px) { .nav__links { display: none; } }
@media (max-width: 900px) {
  .wrap { padding-inline: var(--space-4); }
  section { padding-block: var(--space-24); }
  .grid--4, .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .grid--6 { grid-template-columns: repeat(2, 1fr); }
  .nav__links { display: none; }
  .hud-foot { left: var(--space-4); right: var(--space-4); }
  .i4-boot__main { grid-template-columns: 1fr; padding: var(--space-6); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee__track { animation: none; }
  html { scroll-behavior: auto; }
}

/* Reels (embed do Instagram) */
.reel .i4-frame__media { background: var(--surface-raised); }
.reel .i4-frame__media > * { transform: none; }
.reel iframe { width: 100%; height: 720px; border: 0; display: block; background: var(--surface-raised); }
@media (max-width: 900px) { .reel iframe { height: 640px; } }

/* Cards de post (embed do Instagram) */
.posts { grid-template-columns: repeat(auto-fit, minmax(340px, 420px)); }
.postcard { padding: 0; display: flex; flex-direction: column; overflow: hidden; }
.postcard__bar { display: flex; justify-content: space-between; align-items: center; padding: var(--space-4) var(--space-6); border-bottom: 1px solid var(--border); }
.postcard iframe { width: 100%; height: 640px; border: 0; display: block; background: var(--surface-raised); }
.postcard__foot { padding: var(--space-4) var(--space-6); border-top: 1px solid var(--border); }
@media (max-width: 900px) { .posts { grid-template-columns: 1fr; } .postcard iframe { height: 600px; } }

/* Galeria horizontal (rail): arrasta, setas, contador e progresso */
.rail { position: relative; }
.rail__track { display: flex; gap: var(--space-6); overflow-x: auto; overscroll-behavior-x: contain; scroll-snap-type: x mandatory;
  scrollbar-width: none; padding-block: var(--space-2) var(--space-6); cursor: grab; outline: none; }
.rail__track::-webkit-scrollbar { display: none; }
.rail__track:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 4px; }
.rail__track.is-drag { cursor: grabbing; scroll-snap-type: none; scroll-behavior: auto; user-select: none; }
.rail__track.is-drag iframe { pointer-events: none; }
.rail .postcard { flex: 0 0 min(420px, 82vw); scroll-snap-align: start; opacity: 0.45; transform: scale(0.97);
  transition: opacity var(--dur-base) var(--ease-out-expo), transform var(--dur-slow) var(--ease-out-expo), border-color var(--dur-fast); }
.rail .postcard.is-active { opacity: 1; transform: none; }
.rail .postcard:hover { opacity: 1; }
.rail__bar { display: flex; align-items: center; gap: var(--space-6); margin-top: var(--space-6); }
.rail__progress { flex: 1; height: 2px; background: var(--border); position: relative; overflow: hidden; }
.rail__progress span { position: absolute; inset: 0 auto 0 0; width: 20%; background: var(--laranja-ideia); transition: width var(--dur-base) var(--ease-out-expo); }
.rail__count { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.04em; color: var(--ink-muted); min-width: 64px; text-align: center; }
.rail__btn { width: 48px; height: 48px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface-raised); color: var(--ink);
  font-family: var(--font-sans); font-size: 18px; display: grid; place-items: center; cursor: pointer;
  transition: border-color var(--dur-fast), background var(--dur-fast), color var(--dur-fast), box-shadow var(--dur-fast); }
.rail__btn:hover:not(:disabled) { background: var(--laranja-ideia); color: var(--on-laranja); border-color: var(--laranja-ideia); box-shadow: var(--glow-laranja); }
.rail__btn:focus-visible { outline: 2px solid var(--focus-ring); outline-offset: 2px; }
.rail__btn:disabled { opacity: 0.3; cursor: default; }
@media (prefers-reduced-motion: reduce) { .rail .postcard { transition: none; opacity: 1; transform: none; } .rail__track { scroll-behavior: auto; } }