:root {
  --bg: #0b1020;
  --bg-alt: #0f1530;
  --card: rgba(255, 255, 255, 0.06);
  --text: #e8ebff;
  --muted: #a9b2ff;
  --brand: #2f66cc; /* logo blue */
  --brand-2: #64d36e; /* logo green */
  --accent: #b58cff;
  --success: #18b87a;
  --danger: #f66;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 20% -10%, rgba(91,124,250,0.25), transparent 60%),
    radial-gradient(900px 500px at 80% 10%, rgba(122,214,255,0.18), transparent 50%),
    linear-gradient(180deg, var(--bg), var(--bg-alt));
}

.container { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 20px; }

.site-header {
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: saturate(150%) blur(10px);
  background: linear-gradient(180deg, rgba(11,16,32,0.85), rgba(11,16,32,0.4));
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 32px; height: 32px; display: grid; place-items: center; background: linear-gradient(135deg, var(--brand), var(--accent)); border-radius: 8px; box-shadow: var(--shadow); }
.brand-logo { width: 36px; height: 36px; border-radius: 8px; object-fit: contain; display: block; background: transparent; box-shadow: var(--shadow); }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-name { font-weight: 800; letter-spacing: 0.2px; }
.brand-tag { font-size: 12px; color: var(--muted); margin-top: 4px; }
.header-nav { display: flex; gap: 14px; }
.nav-link { color: var(--muted); text-decoration: none; font-weight: 500; }
.nav-link:hover { color: var(--text); }

.hero { padding: 96px 0 48px; }
.hero-inner { text-align: center; }
.hero-title { font-size: clamp(28px, 5vw, 54px); margin: 0 0 16px; letter-spacing: -0.5px; }
.hero-subtitle { margin: 0 auto 28px; max-width: 780px; color: var(--muted); font-size: 18px; }

.cta-row { display: flex; flex-direction: column; align-items: center; gap: 18px; }
.notify-form { display: flex; gap: 10px; width: 100%; max-width: 560px; }
.notify-form.inline { justify-content: center; }
.input { flex: 1; height: 48px; padding: 0 14px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.12); background: rgba(255,255,255,0.06); color: var(--text); }
.input::placeholder { color: #c9cffb; opacity: 0.7; }
.btn { height: 48px; padding: 0 16px; border-radius: 10px; border: 1px solid rgba(255,255,255,0.18); background: rgba(255,255,255,0.08); color: var(--text); font-weight: 600; cursor: pointer; }
.btn.primary { background: linear-gradient(135deg, var(--brand), var(--accent)); border: none; }
.btn:hover { filter: brightness(1.08); }
.form-message { margin-left: 6px; font-size: 14px; color: var(--muted); align-self: center; }

.section { padding: 56px 0; }
.section.alt { background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.00)); border-top: 1px solid rgba(255,255,255,0.06); border-bottom: 1px solid rgba(255,255,255,0.06); }
.section-title { font-size: 28px; margin: 0 0 10px; }
.section-lead { color: var(--muted); margin: 0 0 18px; }

.pill-list { list-style: none; padding: 0; margin: 16px 0 0; display: flex; flex-wrap: wrap; gap: 10px; }
.pill { padding: 10px 14px; border-radius: 999px; border: 1px solid rgba(255,255,255,0.14); background: rgba(255,255,255,0.06); font-weight: 600; color: #dfe5ff; }

.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.feature { padding: 18px; background: var(--card); border: 1px solid rgba(255,255,255,0.08); border-radius: 14px; box-shadow: var(--shadow); }
.feature h3 { margin: 0 0 8px; font-size: 18px; }
.feature p { margin: 0; color: var(--muted); }

.updates-card { padding: 22px; background: var(--card); border: 1px solid rgba(255,255,255,0.08); border-radius: 14px; box-shadow: var(--shadow); }

.socials { display: flex; align-items: center; gap: 12px; }
.social { width: 42px; height: 42px; display: grid; place-items: center; color: #e6e9ff; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12); border-radius: 10px; text-decoration: none; }
.social:hover { color: white; border-color: rgba(255,255,255,0.3); }

.site-footer { padding: 26px 0 40px; border-top: 1px solid rgba(255,255,255,0.06); margin-top: 32px; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.foot-left, .foot-right { display: flex; align-items: center; gap: 12px; color: var(--muted); }
.foot-link { color: var(--muted); text-decoration: none; }
.foot-link:hover { color: var(--text); }
.divider { opacity: 0.4; }

@media (max-width: 900px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .notify-form { flex-direction: column; }
  .features-grid { grid-template-columns: 1fr; }
  .header-nav { display: none; }
}