/* Base theme inspired by tospin.com: dark, clean, neon accents */
:root {
  --bg: #0b1020;
  --surface: #0f172a;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --primary: #7c3aed; /* purple accent */
  --secondary: #38bdf8; /* cyan accent */
  --brand: #2bd59f; /* wordmark green */
  --primary-contrast: #f8fafc;
  --border: #1f2937;
  --header-h: 64px; /* fixed header height */
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; background: linear-gradient(180deg, #060a18 0%, var(--bg) 100%); color: var(--text); font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif; line-height: 1.65; }

.container { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 16px; }

.header { position: fixed; top: 0; left: 0; right: 0; background: rgba(15, 23, 42, 0.9); backdrop-filter: blur(6px); border-bottom: 1px solid var(--border); z-index: 100; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 8px; font-weight: 900; letter-spacing: 0.4px; text-decoration: none; color: var(--text); filter: drop-shadow(0 2px 8px rgba(0,0,0,0.3)); }
.logo-icon { width: 28px; height: 28px; filter: drop-shadow(0 6px 12px rgba(124,58,237,0.35)); }
.brand:hover .logo-icon { filter: brightness(1.1) drop-shadow(0 8px 16px rgba(124,58,237,0.45)); }

/* Wordmark */
.logo-word { display: inline-flex; align-items: baseline; gap: 6px; font-weight: 900; font-size: 20px; letter-spacing: 0.6px; }
.logo-word .to { color: #ffffff; text-shadow: 0 2px 10px rgba(255,255,255,0.08); }
.logo-word .spin { color: var(--brand); text-shadow: 0 2px 12px rgba(43,213,159,0.25); }
.brand:hover .logo-word .spin { filter: brightness(1.08); }
.nav { display: flex; gap: 8px; flex-wrap: wrap; }
.nav-link { color: var(--muted); padding: 8px 12px; border-radius: 8px; text-decoration: none; }
.nav-link:hover { color: var(--text); background: #121a31; }
.lang-link { color: var(--primary); font-weight: 700; text-decoration: none; }

.main { padding: calc(var(--header-h) + 28px) 0 48px; }

.hero { padding: 28px; border-radius: 18px; background:
  radial-gradient(1000px 420px at 10% -10%, rgba(124, 58, 237, 0.22), transparent),
  radial-gradient(800px 320px at 90% -10%, rgba(56, 189, 248, 0.18), transparent),
  var(--surface);
  border: 1px solid var(--border);
  box-shadow: 0 30px 60px rgba(124,58,237,0.15), 0 12px 30px rgba(56,189,248,0.12);
}
.page-title { font-size: 28px; margin: 0 0 6px; }
.page-subtitle { color: var(--muted); margin: 0 0 10px; }
.hero-desc { margin: 0 0 16px; }
.btn.primary { display: inline-block; background: linear-gradient(90deg, var(--primary), var(--secondary)); color: var(--primary-contrast); padding: 12px 16px; border-radius: 12px; text-decoration: none; font-weight: 800; box-shadow: 0 10px 24px rgba(124,58,237,0.35); transition: transform .15s ease, box-shadow .2s ease, filter .2s ease; }
.btn.primary:hover { transform: translateY(-1px); filter: brightness(1.08); box-shadow: 0 14px 30px rgba(124,58,237,0.45); }

.section { margin-top: 28px; scroll-margin-top: calc(var(--header-h) + 16px); }
.section-title { font-size: 22px; margin: 0 0 12px; }
.feature-grid { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.feature-card { background: #121a31; border: 1px solid var(--border); padding: 16px; border-radius: 14px; box-shadow: 0 4px 18px rgba(0,0,0,0.25); }

.grid-two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.card { background: #121a31; border: 1px solid var(--border); padding: 18px; border-radius: 14px; box-shadow: 0 6px 18px rgba(0,0,0,0.25); }

.steps { margin: 0; padding-left: 18px; }
.steps li { margin: 8px 0; }

.faq { margin-top: 24px; }
.faq-list { display: grid; gap: 8px; }
.faq-item { background: #121a31; border: 1px solid var(--border); border-radius: 12px; padding: 10px 12px; box-shadow: inset 0 0 0 1px rgba(124,58,237,0.08); }
.faq-item summary { cursor: pointer; font-weight: 700; }
.faq-item p { margin: 8px 0 0; color: var(--muted); }

.footer { border-top: 1px solid var(--border); background: rgba(15, 23, 42, 0.9); }
.footer-inner { padding: 20px 0; color: var(--muted); font-size: 14px; }

/* Icon cards */
.icon-row { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 14px; margin-top: 10px; }
.icon-card { background: #121a31; border: 1px solid var(--border); border-radius: 14px; padding: 14px; display: flex; align-items: center; gap: 12px; box-shadow: 0 6px 18px rgba(0,0,0,0.25); }
.icon-card svg { width: 28px; height: 28px; flex: 0 0 28px; }
.icon-card .label { font-weight: 700; }

/* Subtle gradient animation */
@keyframes pulseGradient {
  0% { box-shadow: 0 30px 60px rgba(124,58,237,0.15), 0 12px 30px rgba(56,189,248,0.12); }
  50% { box-shadow: 0 36px 70px rgba(124,58,237,0.22), 0 16px 36px rgba(56,189,248,0.18); }
  100% { box-shadow: 0 30px 60px rgba(124,58,237,0.15), 0 12px 30px rgba(56,189,248,0.12); }
}
.hero { animation: pulseGradient 6s ease-in-out infinite; }

/* Promotions grid */
.promo-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; margin-top: 10px; }
.promo-card { background: #121a31; border: 1px solid var(--border); border-radius: 14px; padding: 16px; box-shadow: 0 6px 18px rgba(0,0,0,0.25); display: flex; flex-direction: column; gap: 8px; }
.promo-card .promo-icon { width: 40px; height: 40px; }
.promo-card h3 { margin: 0; font-size: 16px; letter-spacing: .2px; }
.promo-card p { margin: 0; color: var(--muted); }


@media (max-width: 860px) {
  :root { --header-h: 84px; }
  .feature-grid, .grid-two, .icon-row { grid-template-columns: 1fr; }
  .promo-grid { grid-template-columns: 1fr; }

/* Promo: cover image and details */
.promo-cover { width: 100%; height: auto; border-radius: 10px; display: block; background: linear-gradient(135deg, #1b2547, #0f1429); }
.promo-card details { border-top: 1px dashed var(--border); padding-top: 8px; margin-top: 6px; }
.promo-card details summary { cursor: pointer; color: var(--accent); font-weight: 600; }
.promo-card ul { margin: 8px 0 0; padding-left: 18px; color: var(--muted); }
.promo-card .cta { align-self: flex-start; margin-top: 6px; }
.promo-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.promo-table th, .promo-table td { border: 1px solid var(--border); padding: 6px 8px; text-align: right; }
.promo-table th:first-child, .promo-table td:first-child { text-align: left; }
.promo-table thead th { background: #0f1429; color: #cbd5e1; }

  .header-inner { height: auto; padding: 10px 0; }
}