/* Arkeon — landing (ETAPA 21A). Tema ouro/preto, espelhando o app. */
:root {
  --black: #000000;
  --ink: #0a0a0a;
  --charcoal: #121212;
  --charcoal-alt: #1a1a1a;
  --elevated: #202020;
  --gold: #d4af37;
  --gold-soft: #f5d76e;
  --gold-deep: #8a6d1f;
  --white: #ffffff;
  --gray: #b0b0b0;
  --gray-dim: #6e6e6e;
  --line: #262626;
  --danger: #c9564f;
  --maxw: 1080px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--white);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
strong { color: var(--white); font-weight: 700; }

/* ---- Botões ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.2px;
  padding: 14px 28px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-gold {
  background: linear-gradient(135deg, var(--gold-soft), var(--gold));
  color: var(--ink);
  box-shadow: 0 8px 30px rgba(212, 175, 55, 0.28);
}
.btn-gold:hover { box-shadow: 0 12px 40px rgba(212, 175, 55, 0.42); }
.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: var(--line);
}
.btn-ghost:hover { border-color: var(--gold-deep); background: var(--charcoal); }
.btn-lg { padding: 18px 40px; font-size: 17px; }

/* ---- Topbar ---- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.brand-mark { height: 34px; width: auto; display: block; }
.topbar-cta { padding: 10px 20px; font-size: 14px; }

/* ---- Kicker / títulos ---- */
.kicker {
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 3px;
  text-transform: uppercase;
}
.kicker.center { text-align: center; }
.section-title {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 900;
  letter-spacing: -0.5px;
  text-align: center;
  margin-top: 10px;
}
.section-lead {
  color: var(--gray);
  font-size: clamp(15px, 2vw, 18px);
  text-align: center;
  max-width: 620px;
  margin: 14px auto 0;
}

/* ---- Hero ---- */
.hero {
  position: relative;
  padding: 80px 24px 96px;
  text-align: center;
  background:
    radial-gradient(circle at 50% 0%, rgba(212, 175, 55, 0.16), transparent 55%),
    radial-gradient(circle at 50% 120%, rgba(212, 175, 55, 0.08), transparent 50%),
    var(--black);
  border-bottom: 1px solid var(--line);
}
.hero-inner { max-width: 760px; margin: 0 auto; }
.hero-logo {
  width: 120px;
  height: auto;
  margin-bottom: 28px;
  filter: drop-shadow(0 8px 40px rgba(212, 175, 55, 0.35));
}
.hero-title {
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 900;
  letter-spacing: -1.5px;
  line-height: 1.04;
  margin-top: 14px;
  background: linear-gradient(180deg, #ffffff 0%, #e9d9a8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-sub {
  color: var(--gray);
  font-size: clamp(16px, 2.4vw, 20px);
  margin: 22px auto 0;
  max-width: 600px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 36px;
}
.hero-note {
  color: var(--gray-dim);
  font-size: 13px;
  font-weight: 600;
  margin-top: 20px;
  letter-spacing: 0.3px;
}

/* ---- Seções ---- */
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 88px 24px;
}

/* ---- Grid "como funciona" ---- */
.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.card {
  position: relative;
  background: var(--charcoal);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 32px 28px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.card:hover { border-color: var(--gold-deep); transform: translateY(-3px); }
.card-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid var(--gold-deep);
  color: var(--gold);
  font-weight: 900;
  font-size: 18px;
  margin-bottom: 18px;
}
.card-title { font-size: 19px; font-weight: 800; margin-bottom: 8px; }
.card-text { color: var(--gray); font-size: 15px; }
.card-tag {
  display: inline-block;
  margin-top: 18px;
  color: var(--gold-soft);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ---- Diferencial ---- */
.diff { border-top: 1px solid var(--line); }
.diff-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 44px;
}
.diff-col {
  border-radius: 22px;
  padding: 32px;
  border: 1px solid var(--line);
}
.diff-no { background: #140d0d; border-color: rgba(201, 86, 79, 0.35); }
.diff-yes { background: #12100a; border-color: var(--gold-deep); }
.diff-head {
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.diff-no .diff-head { color: var(--danger); }
.diff-yes .diff-head { color: var(--gold); }
.diff-list { list-style: none; display: grid; gap: 12px; }
.diff-list li {
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
  padding-left: 30px;
  position: relative;
}
.diff-no .diff-list li::before { content: '✕'; color: var(--danger); }
.diff-yes .diff-list li::before { content: '✓'; color: var(--gold); }
.diff-list li::before {
  position: absolute;
  left: 4px;
  font-weight: 900;
}

/* ---- CTA final ---- */
.cta-final {
  text-align: center;
  border-top: 1px solid var(--line);
}
.cta-final .btn { margin-top: 32px; }

/* ---- Footer ---- */
.footer {
  border-top: 1px solid var(--line);
  padding: 48px 24px;
  text-align: center;
  background: var(--ink);
}
.footer-mark { height: 30px; width: auto; opacity: 0.85; margin-bottom: 18px; }
.footer-links {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.footer-links a {
  color: var(--gray);
  font-size: 14px;
  font-weight: 600;
  transition: color 0.15s ease;
}
.footer-links a:hover { color: var(--gold); }
.footer-copy { color: var(--gray-dim); font-size: 13px; }

/* ---- Páginas legais ---- */
.legal {
  max-width: 760px;
  margin: 0 auto;
  padding: 64px 24px 96px;
}
.legal .back {
  color: var(--gold);
  font-size: 14px;
  font-weight: 700;
  display: inline-block;
  margin-bottom: 24px;
}
.legal h1 { font-size: 32px; font-weight: 900; letter-spacing: -0.5px; }
.legal .updated { color: var(--gray-dim); font-size: 13px; margin-top: 6px; }
.legal .intro { color: var(--gray); font-size: 16px; margin-top: 18px; }
.legal h2 {
  font-size: 18px;
  font-weight: 800;
  margin-top: 32px;
  margin-bottom: 10px;
}
.legal p { color: var(--gray); font-size: 15px; margin-bottom: 12px; }
.legal ul { color: var(--gray); font-size: 15px; padding-left: 22px; margin-bottom: 12px; }
.legal li { margin-bottom: 8px; }
.legal a { color: var(--gold-soft); }

/* ---- Responsivo ---- */
@media (max-width: 720px) {
  .grid, .diff-grid { grid-template-columns: 1fr; }
  .section { padding: 64px 20px; }
  .hero { padding: 56px 20px 72px; }
}