/* ── Google Fonts ─────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&family=DM+Sans:wght@400;500;600;700&display=swap');

/* ── Variables ────────────────────────────────── */
:root {
  --bg:         #050510;
  --bg-2:       #0a0a1a;
  --bg-3:       #0d0d2b;
  --primary:    #3F51B5;
  --primary-l:  #7986CB;
  --primary-d:  #283593;
  --accent:     #e8eaf6;
  --warm:       #fffde7;
  --text:       #e8eaf6;
  --text-body:  #c5cae9;
  --text-muted: #9fa8da;
  --border:     rgba(121,134,203,0.2);
  --gold:       #fffde7;
  --radius:     12px;
  --radius-lg:  20px;
  --container:  1160px;
  --font-h:     'Nunito', system-ui, sans-serif;
  --font-b:     'DM Sans', system-ui, sans-serif;
  --shadow:     0 24px 64px rgba(0,0,0,0.6);
}

/* ── Reset ────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-b);
  background: var(--bg);
  color: var(--text-body);
  line-height: 1.65;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }

/* ── Layout ───────────────────────────────────── */
.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }

/* ── Starfield ────────────────────────────────── */
.stars-bg {
  position: absolute; inset: 0; overflow: hidden; pointer-events: none;
}
.star {
  position: absolute;
  width: 2px; height: 2px;
  background: white;
  border-radius: 50%;
  animation: twinkle var(--duration, 3s) var(--delay, 0s) infinite alternate ease-in-out;
}
@keyframes twinkle {
  from { opacity: var(--op-from, 0.3); transform: scale(1); }
  to   { opacity: var(--op-to, 0.9); transform: scale(1.4); }
}

/* ── Header ───────────────────────────────────── */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 999;
  padding: 0;
  background: rgba(5,5,16,0.75);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}
.header .container {
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; gap: 16px;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-h); font-weight: 900; font-size: 20px;
  color: var(--text); letter-spacing: -0.02em;
}
.brand .moon { font-size: 22px; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  padding: 7px 14px; border-radius: 8px; font-size: 14px; font-weight: 600;
  color: var(--text-muted); transition: all 0.2s;
}
.nav-links a:hover { color: var(--text); background: rgba(121,134,203,0.1); }
.header-cta {
  background: var(--primary); color: white;
  padding: 9px 20px; border-radius: var(--radius);
  font-size: 14px; font-weight: 700; font-family: var(--font-h);
  transition: all 0.2s;
}
.header-cta:hover { background: var(--primary-l); transform: translateY(-1px); }
.burger-btn { display: none; background: none; border: none; color: var(--text); cursor: pointer; font-size: 22px; }

/* ── Hero ─────────────────────────────────────── */
.hero {
  position: relative; padding-top: 140px; padding-bottom: 100px;
  background: linear-gradient(180deg, #050510 0%, #080818 70%, #050510 100%);
  text-align: center; overflow: hidden;
  min-height: 100vh; display: flex; align-items: center;
}
.hero .container { position: relative; z-index: 2; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; border-radius: 999px;
  border: 1px solid rgba(121,134,203,0.3);
  background: rgba(63,81,181,0.1);
  color: var(--primary-l); font-size: 13px; font-weight: 700;
  margin-bottom: 28px; letter-spacing: 0.04em; text-transform: uppercase;
}
.hero h1 {
  font-family: var(--font-h); font-size: clamp(36px, 6vw, 70px);
  font-weight: 900; line-height: 1.08; letter-spacing: -0.03em;
  color: var(--text); margin-bottom: 24px;
}
.hero h1 em { font-style: normal; color: var(--primary-l); }
.hero-sub {
  font-size: clamp(16px, 2vw, 20px); color: var(--text-muted);
  max-width: 580px; margin: 0 auto 44px; line-height: 1.6;
}
.cta-group { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn-hero {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 36px; border-radius: var(--radius-lg);
  font-family: var(--font-h); font-weight: 800; font-size: 17px;
  transition: all 0.2s; cursor: pointer; border: 1px solid transparent;
}
.btn-primary-hero {
  background: linear-gradient(135deg, var(--primary), var(--primary-d));
  color: white;
  box-shadow: 0 10px 32px rgba(63,81,181,0.4);
}
.btn-primary-hero:hover { box-shadow: 0 16px 44px rgba(63,81,181,0.55); transform: translateY(-2px); }
.btn-ghost-hero {
  background: rgba(255,255,255,0.05);
  border-color: var(--border);
  color: var(--text-muted);
}
.btn-ghost-hero:hover { border-color: var(--primary-l); color: var(--text); }

.trust-badges {
  display: flex; justify-content: center; gap: 28px; flex-wrap: wrap;
  margin-top: 44px;
}
.trust-badge {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; color: var(--text-muted);
}
.trust-badge span { color: var(--primary-l); font-size: 16px; }

/* Moon deco */
.moon-deco {
  position: absolute; top: 12%; right: 8%;
  font-size: clamp(80px, 12vw, 160px);
  opacity: 0.06; user-select: none;
  animation: float 8s ease-in-out infinite;
}
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-14px)} }

/* ── Section Labels ───────────────────────────── */
.kicker {
  display: inline-block; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--primary-l); margin-bottom: 14px;
}
.section-title {
  font-family: var(--font-h);
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 900; line-height: 1.1;
  letter-spacing: -0.025em; color: var(--text);
  margin-bottom: 14px;
}
.section-sub {
  color: var(--text-muted); font-size: clamp(15px, 1.8vw, 18px);
  max-width: 60ch; line-height: 1.65;
}

/* ── Pain Points ──────────────────────────────── */
.pain { background: var(--bg-2); }
.pain-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px; margin-top: 48px;
}
.pain-card {
  background: rgba(63,81,181,0.06);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 24px 26px;
  display: flex; align-items: flex-start; gap: 16px;
  transition: all 0.2s;
}
.pain-card:hover { border-color: rgba(121,134,203,0.4); transform: translateY(-2px); }
.pain-icon { font-size: 28px; flex-shrink: 0; margin-top: 2px; }
.pain-text { font-size: 15px; font-weight: 600; color: var(--text-body); line-height: 1.5; }

/* ── Solution ─────────────────────────────────── */
.solution-pillars {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  margin-top: 56px;
}
.pillar {
  text-align: center; padding: 36px 24px;
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all 0.2s;
}
.pillar:hover { border-color: rgba(121,134,203,0.4); }
.pillar-icon { font-size: 48px; margin-bottom: 18px; }
.pillar-title { font-family: var(--font-h); font-size: 18px; font-weight: 800; color: var(--text); margin-bottom: 10px; }
.pillar-desc { color: var(--text-muted); font-size: 14px; line-height: 1.6; }

/* ── Wave Divider ─────────────────────────────── */
.wave { width: 100%; overflow: hidden; line-height: 0; }
.wave svg { display: block; width: 100%; height: 60px; }

/* ── Includes ─────────────────────────────────── */
.includes { background: var(--bg-2); }
.includes-list {
  list-style: none; display: grid;
  grid-template-columns: repeat(2, 1fr); gap: 14px;
  margin-top: 40px;
}
.includes-list li {
  display: flex; gap: 12px; align-items: flex-start;
  background: rgba(63,81,181,0.06); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px;
  font-size: 14px; font-weight: 600; color: var(--text-body); line-height: 1.4;
}
.includes-list li::before {
  content: '✓'; color: var(--primary-l); font-weight: 900; flex-shrink: 0; margin-top: 1px;
}

/* ── Science ──────────────────────────────────── */
.science-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; margin-top: 60px; }
.sleep-phases { background: var(--bg-2); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; }
.phase-bars { display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }
.phase-row { display: flex; align-items: center; gap: 12px; }
.phase-label { font-size: 12px; font-weight: 700; color: var(--text-muted); width: 80px; flex-shrink: 0; }
.phase-bar { height: 10px; border-radius: 999px; flex: 1; }
.phase-rem { background: linear-gradient(90deg, var(--primary), var(--primary-l)); }
.phase-deep { background: linear-gradient(90deg, #283593, var(--primary)); }
.phase-light { background: rgba(121,134,203,0.3); }
.phase-pct { font-size: 12px; font-weight: 700; color: var(--text-muted); width: 36px; text-align: right; }

.science-points { display: flex; flex-direction: column; gap: 20px; }
.science-point { display: flex; gap: 16px; align-items: flex-start; }
.science-point-icon {
  width: 44px; height: 44px; min-width: 44px;
  background: rgba(63,81,181,0.15); border: 1px solid var(--border);
  border-radius: 12px; display: flex; align-items: center; justify-content: center;
  font-size: 20px;
}
.science-point-title { font-family: var(--font-h); font-weight: 800; font-size: 15px; color: var(--text); margin-bottom: 4px; }
.science-point-desc { font-size: 13px; color: var(--text-muted); line-height: 1.5; }

/* ── Testimonials ─────────────────────────────── */
.testimonials { background: var(--bg-2); }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; }
.testi-card {
  background: var(--bg-3); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px; position: relative;
}
.testi-quote { font-size: 64px; line-height: 0.8; color: var(--primary); opacity: 0.3; font-family: Georgia,serif; position: absolute; top: 20px; left: 22px; }
.testi-text { font-size: 14px; color: var(--text-body); line-height: 1.65; margin: 24px 0 20px; }
.testi-stars { color: #FFD700; font-size: 13px; margin-bottom: 8px; }
.testi-author { font-size: 13px; font-weight: 700; color: var(--primary-l); }

/* ── Pricing ──────────────────────────────────── */
.pricing-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 56px; max-width: 820px; margin-left: auto; margin-right: auto; }
.pricing-card {
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 36px; position: relative;
  display: flex; flex-direction: column; gap: 20px;
  transition: all 0.2s;
}
.pricing-card:hover { border-color: rgba(121,134,203,0.4); }
.pricing-card.featured {
  background: linear-gradient(160deg, rgba(63,81,181,0.12), var(--bg-2) 60%);
  border-color: rgba(63,81,181,0.45);
}
.plan-badge {
  position: absolute; top: 20px; right: 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-d));
  color: white; font-size: 11px; font-weight: 800;
  padding: 4px 12px; border-radius: 999px; text-transform: uppercase; letter-spacing: 0.05em;
}
.plan-name { font-family: var(--font-h); font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); }
.plan-price { display: flex; align-items: baseline; gap: 4px; line-height: 1; }
.plan-price-amount { font-family: var(--font-h); font-size: 56px; font-weight: 900; color: var(--text); letter-spacing: -3px; }
.plan-price-cur { font-size: 24px; font-weight: 800; color: var(--text-muted); align-self: flex-start; padding-top: 8px; }
.plan-price-note { font-size: 13px; color: var(--text-muted); font-weight: 600; margin-top: 4px; }
.plan-desc { font-size: 14px; color: var(--text-muted); line-height: 1.5; }
.plan-features { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.plan-features li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 14px; color: var(--text-body); line-height: 1.4;
}
.plan-features li::before { content: '✓'; color: var(--primary-l); font-weight: 900; flex-shrink: 0; margin-top: 1px; }
.plan-cta { margin-top: auto; }
.btn-plan {
  display: block; width: 100%; text-align: center;
  padding: 15px; border-radius: var(--radius-lg);
  font-family: var(--font-h); font-weight: 800; font-size: 15px;
  transition: all 0.2s;
}
.btn-plan-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-d));
  color: white; box-shadow: 0 8px 24px rgba(63,81,181,0.35);
}
.btn-plan-primary:hover { box-shadow: 0 12px 36px rgba(63,81,181,0.5); transform: translateY(-1px); }
.btn-plan-ghost { background: rgba(255,255,255,0.04); border: 1px solid var(--border); color: var(--text-muted); }
.btn-plan-ghost:hover { border-color: var(--primary-l); color: var(--text); }
.guarantee {
  text-align: center; margin-top: 24px;
  font-size: 13px; color: var(--text-muted);
}
.guarantee strong { color: var(--primary-l); }

/* ── FAQ ──────────────────────────────────────── */
.faq { background: var(--bg-2); }
.faq-list { max-width: 720px; margin: 48px auto 0; display: flex; flex-direction: column; gap: 10px; }
.faq-item { background: var(--bg-3); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.faq-question {
  width: 100%; padding: 18px 22px; background: none; border: none;
  color: var(--text); font-size: 15px; font-weight: 700; font-family: inherit;
  text-align: left; cursor: pointer; display: flex; justify-content: space-between;
  align-items: center; gap: 12px; transition: background 0.2s;
}
.faq-question:hover { background: rgba(63,81,181,0.06); }
.faq-icon { font-size: 18px; color: var(--primary-l); transition: transform 0.25s; flex-shrink: 0; }
.faq-answer { padding: 0 22px; color: var(--text-muted); font-size: 14px; line-height: 1.65; max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; }
.faq-item.open .faq-answer { max-height: 400px; padding: 0 22px 18px; }
.faq-item.open .faq-icon { transform: rotate(45deg); }

/* ── Final CTA ────────────────────────────────── */
.final-cta {
  position: relative; overflow: hidden;
  background: linear-gradient(160deg, var(--bg-3) 0%, var(--bg) 100%);
  text-align: center; padding: 96px 0;
}
.final-cta h2 { font-family: var(--font-h); font-size: clamp(28px,4.5vw,52px); font-weight: 900; color: var(--text); letter-spacing: -0.02em; margin-bottom: 14px; }
.final-cta p { color: var(--text-muted); font-size: 18px; max-width: 540px; margin: 0 auto 40px; }

/* ── Footer ───────────────────────────────────── */
footer {
  background: var(--bg); border-top: 1px solid var(--border);
  padding: 40px 0 32px;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; margin-bottom: 32px; }
.footer-brand-text { font-family: var(--font-h); font-weight: 900; font-size: 18px; color: var(--text); margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.footer-desc { font-size: 13px; color: var(--text-muted); line-height: 1.6; }
.footer-col h4 { font-family: var(--font-h); font-weight: 800; font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 14px; }
.footer-col a { display: block; font-size: 14px; color: var(--text-muted); margin-bottom: 8px; transition: color 0.2s; }
.footer-col a:hover { color: var(--primary-l); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 13px; color: var(--text-muted); }

/* ── Floating CTA ─────────────────────────────── */
.float-cta {
  position: fixed; bottom: 24px; right: 24px; z-index: 998;
  background: linear-gradient(135deg, var(--primary), var(--primary-d));
  color: white; padding: 12px 22px; border-radius: 999px;
  font-family: var(--font-h); font-size: 14px; font-weight: 800;
  box-shadow: 0 10px 30px rgba(63,81,181,0.45);
  display: flex; align-items: center; gap: 8px;
  transition: all 0.2s;
}
.float-cta:hover { box-shadow: 0 14px 40px rgba(63,81,181,0.6); transform: translateY(-2px); }

/* ── Responsive ───────────────────────────────── */
@media (max-width: 860px) {
  .nav-links { display: none; }
  .header-cta { display: none; }
  .burger-btn { display: block; }
  .solution-pillars { grid-template-columns: 1fr; }
  .science-cols { grid-template-columns: 1fr; gap: 40px; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 440px; }
  .footer-grid { grid-template-columns: 1fr; }
  .includes-list { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .pain-grid { grid-template-columns: 1fr; }
  .cta-group { flex-direction: column; align-items: center; }
  .trust-badges { gap: 16px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ── Mobile Menu ──────────────────────────────── */
.mobile-menu {
  display: none; position: fixed; inset: 64px 0 0;
  background: var(--bg); z-index: 998; padding: 24px;
  flex-direction: column; gap: 8px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 14px 16px; border-radius: 10px; font-size: 16px; font-weight: 700;
  color: var(--text-muted); border: 1px solid transparent;
  transition: all 0.2s;
}
.mobile-menu a:hover { color: var(--text); border-color: var(--border); }
.mobile-menu .mobile-cta { margin-top: 8px; background: var(--primary); color: white; text-align: center; border-color: transparent; }