:root {
  /* Tokens provisórios: substituir pelos tokens oficiais quando aprovados. */
  --otsar-background: #050505;
  --otsar-surface: #11110f;
  --otsar-surface-2: #191815;
  --otsar-gold: #d4af37;
  --otsar-gold-light: #f0d478;
  --otsar-text-primary: #ffffff;
  --otsar-text-secondary: #bdbdb5;
  --otsar-border: #363329;
  --max-width: 1160px;
  --radius: 18px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--otsar-background); color: var(--otsar-text-primary); font: 16px/1.65 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; overflow-x: hidden; }
a { color: var(--otsar-gold-light); }
a:hover { color: #fff0b5; }
img { max-width: 100%; height: auto; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; background: #fff; color: #000; padding: .75rem 1rem; }
.skip-link:focus { top: 1rem; }
:focus-visible { outline: 3px solid var(--otsar-gold-light); outline-offset: 3px; }
.container { width: min(calc(100% - 2rem), var(--max-width)); margin-inline: auto; }
.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(212,175,55,.18); background: rgba(5,5,5,.92); backdrop-filter: blur(14px); }
.header-inner { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .75rem; color: #fff; text-decoration: none; font-weight: 750; letter-spacing: -.02em; }
.brand img { width: 44px; height: 44px; object-fit: cover; border-radius: 50%; box-shadow: 0 0 0 1px rgba(212,175,55,.45); }
.brand-mark { display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid var(--otsar-gold); border-radius: 50%; color: var(--otsar-gold); font-family: Georgia, serif; }
.site-nav { display: flex; align-items: center; gap: 1.2rem; }
.site-nav a { color: var(--otsar-text-secondary); text-decoration: none; font-size: .94rem; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: #fff; }
.nav-toggle { display: none; border: 1px solid var(--otsar-border); border-radius: 10px; background: var(--otsar-surface); color: #fff; padding: .65rem .8rem; font: inherit; }
.hero { position: relative; padding: clamp(5rem, 11vw, 9rem) 0 5rem; background: radial-gradient(circle at 72% 18%, rgba(212,175,55,.17), transparent 28%), linear-gradient(180deg, #080806, #050505); }
.eyebrow { margin: 0 0 1rem; color: var(--otsar-gold-light); font-size: .78rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; line-height: 1.15; letter-spacing: -.035em; }
h1 { max-width: 850px; margin-bottom: 1.25rem; font-size: clamp(2.75rem, 7vw, 5.8rem); }
h2 { font-size: clamp(2rem, 4.5vw, 3.4rem); }
h3 { font-size: 1.25rem; }
.hero-copy { max-width: 720px; color: var(--otsar-text-secondary); font-size: clamp(1.05rem, 2vw, 1.25rem); }
.actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: .75rem 1.15rem; border: 1px solid var(--otsar-gold); border-radius: 999px; background: var(--otsar-gold); color: #090806; font-weight: 800; text-decoration: none; }
.button:hover { background: var(--otsar-gold-light); color: #090806; }
.button-secondary { background: transparent; color: #fff; border-color: var(--otsar-border); }
.button-secondary:hover { background: var(--otsar-surface-2); color: #fff; }
section { padding: clamp(4rem, 8vw, 7rem) 0; }
.section-lead { max-width: 700px; margin-bottom: 2rem; color: var(--otsar-text-secondary); }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.card { padding: 1.5rem; border: 1px solid var(--otsar-border); border-radius: var(--radius); background: linear-gradient(145deg, var(--otsar-surface), #0b0b0a); }
.card p, .muted { color: var(--otsar-text-secondary); }
.icon { width: 42px; height: 42px; display: grid; place-items: center; margin-bottom: 1.2rem; border-radius: 12px; background: rgba(212,175,55,.12); color: var(--otsar-gold-light); font-weight: 900; }
.band { border-block: 1px solid var(--otsar-border); background: var(--otsar-surface); }
.steps { counter-reset: step; display: grid; gap: 1rem; }
.step { position: relative; padding: 1.5rem 1.5rem 1.5rem 5rem; border: 1px solid var(--otsar-border); border-radius: var(--radius); }
.step::before { counter-increment: step; content: counter(step); position: absolute; left: 1.4rem; top: 1.35rem; width: 2.5rem; height: 2.5rem; display: grid; place-items: center; border-radius: 50%; background: var(--otsar-gold); color: #000; font-weight: 900; }
.step p { margin-bottom: 0; color: var(--otsar-text-secondary); }
.screens { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.screen-placeholder { aspect-ratio: 9/16; display: grid; place-items: center; padding: 1rem; border: 1px dashed #5b543d; border-radius: 24px; background: linear-gradient(145deg, #171610, #0d0d0b); color: var(--otsar-text-secondary); text-align: center; }
.notice { padding: 1rem 1.2rem; border-left: 4px solid var(--otsar-gold); background: rgba(212,175,55,.09); color: #e5e2d7; }
.legal { max-width: 820px; }
.legal h2 { margin-top: 3rem; font-size: 1.6rem; }
.legal li { margin-bottom: .5rem; color: var(--otsar-text-secondary); }
.pending { display: inline-block; padding: .1rem .45rem; border: 1px solid #7a6934; border-radius: 4px; color: var(--otsar-gold-light); font-size: .92em; }
.faq details { margin-bottom: .8rem; border: 1px solid var(--otsar-border); border-radius: 14px; background: var(--otsar-surface); }
.faq summary { cursor: pointer; padding: 1.2rem; font-weight: 750; }
.faq details > div { padding: 0 1.2rem 1.2rem; color: var(--otsar-text-secondary); }
.site-footer { padding: 2.5rem 0; border-top: 1px solid var(--otsar-border); color: var(--otsar-text-secondary); }
.footer-inner { display: flex; justify-content: space-between; gap: 2rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: .5rem 1rem; }
.footer-links a { color: var(--otsar-text-secondary); }
@media (max-width: 820px) {
  .nav-toggle { display: inline-flex; }
  .site-nav { display: none; position: absolute; inset: 74px 1rem auto; flex-direction: column; align-items: stretch; padding: 1rem; border: 1px solid var(--otsar-border); border-radius: 14px; background: #0b0b0a; }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: .55rem; }
  .grid { grid-template-columns: 1fr 1fr; }
  .screens { grid-template-columns: 1fr 1fr; }
  .footer-inner { flex-direction: column; }
}
@media (max-width: 520px) {
  .container { width: min(calc(100% - 1.25rem), var(--max-width)); }
  .brand span:last-child { font-size: .92rem; }
  .grid, .screens { grid-template-columns: 1fr; }
  .screen-placeholder { aspect-ratio: 16/10; }
  .actions { flex-direction: column; }
  .button { width: 100%; }
  .step { padding: 4.8rem 1.2rem 1.2rem; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; } }