/* ── Reset & Variables ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0a0b;
  --bg-card: #131315;
  --bg-elevated: #1a1a1e;
  --border: #232326;
  --text: #e8e8ea;
  --text-secondary: #949496;
  --text-muted: #636366;
  --accent: #6c5ce7;
  --accent-hover: #7f6ff0;
  --accent-subtle: rgba(108, 92, 231, 0.08);
  --accent-glow: rgba(108, 92, 231, 0.3);
  --success: #34d399;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --max-width: 1100px;
  --nav-height: 64px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85em;
  background: var(--bg-elevated);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--accent);
}

/* ── Typography ──────────────────────────────────────────── */
.section__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 24px;
}

.section__title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-align: center;
  margin-bottom: 12px;
  line-height: 1.2;
}

.section__subtitle {
  text-align: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 640px;
  margin: 0 auto 56px;
  line-height: 1.6;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent), #a78bfa, #60a5fa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.btn--primary {
  background: var(--accent);
  color: #fff;
}

.btn--primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 24px var(--accent-glow);
}

.btn--secondary {
  background: var(--bg-elevated);
  color: var(--text);
  border-color: var(--border);
}

.btn--secondary:hover {
  border-color: var(--text-muted);
  background: var(--bg-card);
}

.btn--lg { padding: 14px 32px; font-size: 1.05rem; }
.btn--small { padding: 8px 16px; font-size: 0.875rem; }
.btn--full { width: 100%; justify-content: center; }

/* ── Navigation ───────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(10, 10, 11, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.2rem;
  text-decoration: none;
  color: var(--text);
}

.nav__logo-icon {
  color: var(--accent);
  font-size: 1.4rem;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav__links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav__links a:hover { color: var(--text); }

.nav__cta {
  background: var(--accent);
  color: #fff !important;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: background 0.2s !important;
}

.nav__cta:hover { background: var(--accent-hover) !important; }

/* ── Hero ─────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 24px 60px;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% -10%, var(--accent-glow) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 60%, rgba(120, 90, 240, 0.06) 0%, transparent 50%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  text-align: center;
  max-width: 760px;
}

.hero__badge {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-subtle);
  border: 1px solid rgba(108, 92, 231, 0.2);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.05;
  margin-bottom: 20px;
}

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero__stats {
  display: flex;
  justify-content: center;
  gap: 48px;
}

.stat {
  text-align: center;
}

.stat__number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
}

.stat__label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ── Pipeline / How It Works ──────────────────────────────── */
.pipeline { background: var(--bg-card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.pipeline__flow {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
}

.pipeline__stage {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  width: 180px;
  text-align: center;
  position: relative;
  transition: border-color 0.2s;
}

.pipeline__stage:hover { border-color: var(--accent); }

.pipeline__stage-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  margin: 0 auto 10px;
}

.pipeline__stage h3 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.pipeline__stage p {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.pipeline__stage--gate {
  border-color: rgba(251, 191, 36, 0.3);
  background: rgba(251, 191, 36, 0.04);
}

.pipeline__stage--gate:hover { border-color: rgba(251, 191, 36, 0.6); }

.pipeline__stage-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(251, 191, 36, 0.12);
  color: #fbbf24;
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.pipeline__arrow {
  font-size: 1.4rem;
  color: var(--text-muted);
  align-self: center;
  padding: 0 4px;
}

.pipeline__note {
  text-align: center;
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 16px;
  background: var(--bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.pipeline__note-icon { margin-right: 6px; }

/* ── Features ─────────────────────────────────────────────── */
.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.feature-card__icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── Waitlist ─────────────────────────────────────────────── */
.waitlist {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.waitlist__container {
  max-width: 540px;
  margin: 0 auto;
}

.waitlist__title {
  font-size: 2rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 12px;
}

.waitlist__desc {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
}

.referral-incentive {
  background: rgba(52, 211, 153, 0.06);
  border: 1px solid rgba(52, 211, 153, 0.2);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 24px;
  text-align: center;
}

.referral-incentive__badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--success);
  margin-bottom: 6px;
}

.referral-incentive p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.waitlist__form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-group input,
.form-group select {
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  padding: 12px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  transition: border-color 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-subtle);
}

.form-group select option {
  background: var(--bg);
  color: var(--text);
}

.form-error {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #f87171;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  text-align: center;
}

.waitlist__disclaimer {
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.waitlist__success {
  text-align: center;
  padding: 40px 0;
}

.waitlist__success-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.waitlist__success h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.waitlist__success p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* ── Referral Section (post-signup) ───────────────────────── */
.referral-section {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  margin-top: 8px;
}

.referral-section h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.referral-section > p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.referral-link-box {
  display: flex;
  gap: 8px;
  max-width: 480px;
  margin: 0 auto;
}

.referral-link-box input {
  flex: 1;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  padding: 10px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  outline: none;
}

.referral-link-box input:focus {
  border-color: var(--accent);
}

.referral-section__note {
  font-size: 0.8rem !important;
  color: var(--text-muted) !important;
  margin-top: 12px !important;
}

/* ── Referral Program Section ─────────────────────────────── */
.referral-program__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.referral-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  transition: border-color 0.2s;
}

.referral-card:hover { border-color: var(--accent); }

.referral-card__icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.referral-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.referral-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── FAQ ──────────────────────────────────────────────────── */
.faq__list {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq__item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
}

.faq__item summary {
  padding: 18px 24px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

.faq__item summary::marker { content: ''; display: none; }

.faq__item summary::after {
  content: '+';
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--text-muted);
  transition: transform 0.2s;
}

.faq__item[open] summary::after { content: '−'; }

.faq__item p {
  padding: 0 24px 18px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ── Footer ───────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
}

.footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 24px 32px;
}

.footer__main {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  margin-bottom: 32px;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.2rem;
}

.footer__desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer__links {
  display: flex;
  gap: 24px;
}

.footer__links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.2s;
}

.footer__links a:hover { color: var(--text); }

.footer__bottom {
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
  .hero__title { font-size: clamp(2rem, 8vw, 3rem); }
  .hero__stats { gap: 24px; }
  .section__inner { padding: 56px 20px; }
  .section__title { font-size: 1.75rem; }
  .pipeline__flow { flex-direction: column; align-items: center; }
  .pipeline__arrow { transform: rotate(90deg); }
  .pipeline__stage { width: 100%; max-width: 320px; }
  .features__grid { grid-template-columns: 1fr; }
  .nav__links a:not(.nav__cta) { display: none; }
  .referral-link-box { flex-direction: column; }
  .stat__number { font-size: 1.5rem; }
}

@media (max-width: 480px) {
  .hero__actions { flex-direction: column; align-items: center; }
  .hero__stats { flex-wrap: wrap; gap: 16px; }
  .stat { flex: 1; min-width: 80px; }
}