/* ============================================================
   DESIGN SYSTEM
   Dark theme · Instrument Serif headings · Satoshi body
   Accent: amber #f59e0b · Background: near-black #080808
   ============================================================ */

:root {
  --bg: #080808;
  --bg-surface: #111111;
  --bg-elevated: #1a1a1a;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.15);

  --text: #f0ede8;
  --text-muted: #8a8580;
  --text-faint: #4a4742;

  --accent: #f59e0b;
  --accent-hover: #fbbf24;
  --accent-glow: rgba(245, 158, 11, 0.18);
  --accent-dark: rgba(245, 158, 11, 0.08);

  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'Satoshi', -apple-system, system-ui, sans-serif;

  --radius: 6px;
  --radius-lg: 12px;
  --transition: 0.2s ease;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── Ambient background blobs ── */
.bg-blob {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.35;
}
.bg-blob--1 {
  width: 600px;
  height: 600px;
  top: -200px;
  right: -100px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.25) 0%, transparent 70%);
}
.bg-blob--2 {
  width: 500px;
  height: 500px;
  bottom: 10%;
  left: -150px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.12) 0%, transparent 70%);
}

/* ── Container ── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ── Header ── */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 8, 8, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.wordmark {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--text);
  letter-spacing: -0.01em;
}
.nav-cta {
  font-size: 14px;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  border: 1px solid var(--accent);
  padding: 7px 16px;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
}
.nav-cta:hover {
  background: var(--accent);
  color: #000;
}

/* ── Hero ── */
.hero {
  padding: 100px 0 80px;
}
.hero__inner {
  max-width: 760px;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dark);
  border: 1px solid rgba(245, 158, 11, 0.25);
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 32px;
}
.hero__badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.hero__headline {
  font-family: var(--font-display);
  font-size: clamp(44px, 7vw, 80px);
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 24px;
}
.hero__headline em {
  font-style: italic;
  color: var(--accent);
}

.hero__subhead {
  font-size: clamp(16px, 2.2vw, 20px);
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 540px;
  margin-bottom: 48px;
}

/* ── Waitlist form ── */
.waitlist-form {
  margin-bottom: 16px;
}
.waitlist-form__row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  max-width: 520px;
}
.waitlist-form__input {
  flex: 1;
  min-width: 200px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  padding: 14px 18px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.waitlist-form__input::placeholder { color: var(--text-faint); }
.waitlist-form__input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.waitlist-form__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #000;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  padding: 14px 24px;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.waitlist-form__btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(245, 158, 11, 0.35);
}
.waitlist-form__btn:active { transform: translateY(0); }

.btn-arrow {
  transition: transform var(--transition);
}
.waitlist-form__btn:hover .btn-arrow {
  transform: translateX(3px);
}

.waitlist-form__note {
  font-size: 12px;
  color: var(--text-faint);
  margin-top: 10px;
}

/* ── Success state ── */
.waitlist-success {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-dark);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: var(--radius);
  padding: 14px 20px;
  max-width: 400px;
  animation: fadeIn 0.3s ease;
}
.waitlist-success[hidden] { display: none; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Features strip ── */
.features {
  padding: 80px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.features__list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 40px;
}
.features__item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: transform var(--transition);
}
.features__item:hover { transform: translateY(-2px); }
.features__icon {
  font-size: 28px;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 2px;
}
.features__item strong {
  display: block;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.features__item p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ── Bottom CTA ── */
.cta-bottom {
  padding: 100px 0;
}
.cta-bottom__inner {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}
.cta-bottom__headline {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 54px);
  line-height: 1.12;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-bottom: 16px;
}
.cta-bottom__sub {
  font-size: 17px;
  color: var(--text-muted);
  margin-bottom: 36px;
}
.cta-bottom__btn {
  display: inline-flex;
  align-items: center;
  background: var(--accent);
  color: #000;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  padding: 16px 32px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.cta-bottom__btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 30px rgba(245, 158, 11, 0.35);
}
.cta-bottom__btn:active { transform: translateY(0); }

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer__copy {
  font-size: 13px;
  color: var(--text-faint);
}
.footer__links a {
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}
.footer__links a:hover { color: var(--text); }

/* ── Mobile ── */
@media (max-width: 600px) {
  .hero { padding: 72px 0 60px; }
  .waitlist-form__row { flex-direction: column; }
  .waitlist-form__btn { justify-content: center; }
  .features__list { grid-template-columns: 1fr; gap: 28px; }
  .cta-bottom { padding: 72px 0; }
  .footer__inner { flex-direction: column; align-items: flex-start; }
}