@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg: #07101d;
  --bg-elevated: #0e1830;
  --bg-soft: #13213f;
  --surface: rgba(18, 30, 58, 0.82);
  --surface-2: rgba(24, 38, 74, 0.92);
  --border: rgba(177, 193, 255, 0.15);
  --text: #ecf1ff;
  --muted: #b4bfdc;
  --muted-2: #93a1c8;
  --brand: #8a7dff;
  --brand-2: #5f87ff;
  --accent: #f0b56a;
  --accent-2: #f49a83;
  --success: #7fd7b5;
  --danger: #ffb3b7;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
  --radius: 24px;
  --radius-sm: 16px;
  --radius-xs: 12px;
  --max: 1200px;
  --nav-h: 78px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background-color: #07101d; }
body {
  margin: 0;
  background-color: #07101d;
  font-family: 'Inter', system-ui, sans-serif;
  background:
    radial-gradient(circle at 20% 0%, rgba(138,125,255,0.18), transparent 28%),
    radial-gradient(circle at 80% 0%, rgba(95,135,255,0.14), transparent 32%),
    linear-gradient(180deg, #091120 0%, #07101d 45%, #091425 100%);
  color: var(--text);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; }
.container { width: min(calc(100% - 2rem), var(--max)); margin: 0 auto; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .55rem; padding: .45rem .8rem;
  border: 1px solid rgba(240,181,106,0.24); border-radius: 999px; font-size: .82rem;
  letter-spacing: .08em; text-transform: uppercase; color: #ffd7a7; background: rgba(240,181,106,0.08);
}
.site-header {
  position: sticky; top: 0; z-index: 50; backdrop-filter: blur(18px);
  background: rgba(7, 16, 29, 0.78); border-bottom: 1px solid var(--border);
}
.nav-wrap {
  min-height: var(--nav-h); display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.brand { display: flex; align-items: center; gap: .9rem; font-weight: 800; letter-spacing: .02em; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 14px;
  background: linear-gradient(135deg, var(--brand), var(--brand-2) 55%, var(--accent));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.18), 0 12px 24px rgba(95,135,255,0.22);
  position: relative;
}
.brand-mark::after {
  content: ''; position: absolute; inset: 10px; border-radius: 999px;
  border: 2px solid rgba(255,255,255,0.7); border-top-color: transparent; transform: rotate(26deg);
}
.brand small { display: block; font-weight: 500; color: var(--muted-2); font-size: .75rem; }
.nav-toggle {
  display: none; border: 1px solid var(--border); background: var(--surface); color: var(--text);
  width: 46px; height: 46px; border-radius: 14px;
}
.nav-links { display: flex; align-items: center; gap: 1.2rem; }
.nav-links a { color: var(--muted); font-size: .96rem; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .65rem; border-radius: 999px;
  padding: .95rem 1.25rem; font-weight: 700; border: 1px solid transparent; transition: .2s ease;
}
.btn-primary {
  color: #15101a; background: linear-gradient(135deg, #ffd08e, #f2b367 50%, #ee947f);
  box-shadow: 0 16px 30px rgba(240,181,106,0.25);
}
.btn-secondary { background: rgba(255,255,255,0.04); border-color: var(--border); color: var(--text); }
.btn:hover { transform: translateY(-1px); }
.hero { padding: 5rem 0 4rem; }
.hero-grid, .two-col, .grid-3, .grid-4, .stats-grid { display: grid; gap: 1.25rem; }
.hero-grid { grid-template-columns: 1.2fr .9fr; align-items: center; }
.hero h1 { font-size: clamp(2.6rem, 5vw, 5rem); line-height: .98; margin: 1rem 0 1rem; letter-spacing: -.04em; }
.hero p.lead { font-size: 1.12rem; color: var(--muted); max-width: 60ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; margin: 1.6rem 0 1rem; }
.hero-card, .card, .stat, .testimonial, .isi-box, .table-wrap, .quiz-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow);
}
.hero-card { padding: 1.5rem; position: relative; overflow: hidden; min-height: 520px; }
.hero-card::before {
  content: ''; position: absolute; inset: 0; background:
  radial-gradient(circle at 65% 20%, rgba(240,181,106,0.22), transparent 22%),
  radial-gradient(circle at 28% 35%, rgba(138,125,255,0.3), transparent 30%),
  radial-gradient(circle at 50% 100%, rgba(95,135,255,0.18), transparent 35%);
}
.sleep-graphic {
  position: relative; z-index: 2; min-height: 100%; border-radius: 22px; overflow: hidden; border: 1px solid rgba(255,255,255,0.08);
  background: linear-gradient(180deg, rgba(8,12,26,0.9), rgba(21,32,61,0.72)); padding: 1.5rem;
}
.diagram-ring {
  width: min(320px, 80%); aspect-ratio: 1; margin: 1.5rem auto; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.12); position: relative;
  background: radial-gradient(circle, rgba(138,125,255,0.22) 0%, rgba(95,135,255,0.08) 45%, transparent 62%);
}
.diagram-ring::before, .diagram-ring::after {
  content: ''; position: absolute; border-radius: 50%; inset: 18%; border: 1px dashed rgba(255,255,255,0.14);
}
.diagram-ring::after { inset: 34%; border-style: solid; border-color: rgba(240,181,106,0.4); }
.diagram-node {
  position: absolute; padding: .55rem .7rem; border-radius: 999px; font-size: .82rem; background: rgba(10,18,36,0.92);
  border: 1px solid var(--border); backdrop-filter: blur(8px);
}
.node-1 { top: 11%; left: 50%; transform: translateX(-50%); }
.node-2 { right: 5%; top: 50%; transform: translateY(-50%); }
.node-3 { bottom: 12%; left: 50%; transform: translateX(-50%); }
.node-4 { left: 4%; top: 50%; transform: translateY(-50%); }
.section { padding: 4.5rem 0; }
.section-alt { background: rgba(255,255,255,0.02); }
.section-brand { background: linear-gradient(180deg, rgba(72,53,138,0.2), rgba(12,20,38,0.2)); }
.section h2 { font-size: clamp(2rem, 4vw, 3rem); line-height: 1.05; margin: .5rem 0 1rem; letter-spacing: -.03em; }
.section p.section-lead { color: var(--muted); max-width: 70ch; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.two-col { grid-template-columns: 1fr 1fr; }
.card, .stat, .testimonial, .isi-box, .quiz-card { padding: 1.4rem; }
.card h3, .testimonial h3 { margin-top: 0; font-size: 1.15rem; }
.kicker { font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; color: #d4cfff; }
.stat-value { font-size: clamp(2rem, 4vw, 3.25rem); font-weight: 800; line-height: .95; letter-spacing: -.04em; }
.stat small, .muted { color: var(--muted-2); }
.list-clean { list-style: none; padding: 0; margin: 0; display: grid; gap: .8rem; }
.list-clean li { position: relative; padding-left: 1.1rem; color: var(--muted); }
.list-clean li::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); position: absolute; left: 0; top: .62rem; }
.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; min-width: 760px; }
th, td { padding: 1rem; text-align: left; border-bottom: 1px solid rgba(255,255,255,0.08); vertical-align: top; }
th { color: #ffe0b9; font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; }
.testimonial blockquote { margin: 0 0 1rem; color: var(--text); font-size: 1rem; }
.testimonial footer { color: var(--muted-2); font-size: .92rem; }
.moa-panel {
  min-height: 340px; border-radius: 22px; border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(11,18,34,0.9), rgba(20,30,57,0.9)); padding: 1.4rem; position: relative; overflow: hidden;
}
.moa-axis { position: absolute; inset: 50% 10% auto 10%; height: 2px; background: linear-gradient(90deg, transparent, rgba(255,255,255,0.16), transparent); }
.moa-wave {
  position: absolute; left: 10%; right: 10%; top: 28%; height: 140px;
  background: radial-gradient(circle at 10% 60%, rgba(240,181,106,0.34), transparent 8%), radial-gradient(circle at 30% 28%, rgba(138,125,255,0.42), transparent 10%), radial-gradient(circle at 50% 62%, rgba(95,135,255,0.35), transparent 8%), radial-gradient(circle at 72% 36%, rgba(138,125,255,0.35), transparent 9%), radial-gradient(circle at 90% 64%, rgba(240,181,106,0.28), transparent 8%);
  filter: blur(6px);
}
.pathway {
  display: inline-flex; align-items: center; gap: .55rem; padding: .65rem .9rem; border-radius: 14px;
  border: 1px solid var(--border); background: rgba(255,255,255,0.04); margin: .35rem .35rem .35rem 0;
}
.cta-band {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.5rem; flex-wrap: wrap;
  border-radius: var(--radius); border: 1px solid rgba(240,181,106,0.2); background: linear-gradient(135deg, rgba(56,41,100,0.82), rgba(23,34,64,0.96));
}
.page-hero { padding: 3.5rem 0 2rem; }
.page-hero h1 { font-size: clamp(2.3rem, 5vw, 4.2rem); line-height: 1; margin-bottom: .8rem; letter-spacing: -.04em; }
.aside-note { border-left: 3px solid var(--accent); padding-left: 1rem; color: var(--muted); }
.footer { padding: 2rem 0 8rem; color: var(--muted-2); }
.isi-sticky {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; background: rgba(6,12,22,0.94); backdrop-filter: blur(16px);
  border-top: 1px solid var(--border); box-shadow: 0 -20px 50px rgba(0,0,0,0.25);
}
.isi-inner { width: min(calc(100% - 1rem), 1280px); margin: 0 auto; padding: .8rem 0 calc(.8rem + env(safe-area-inset-bottom)); display: grid; grid-template-columns: 1.2fr auto; gap: 1rem; align-items: center; }
.isi-inner p { margin: 0; font-size: .9rem; color: var(--muted); }
.isi-actions { display: flex; gap: .6rem; align-items: center; }
.modal {
  position: fixed; inset: 0; background: rgba(3,8,16,0.72); backdrop-filter: blur(6px); z-index: 100; display: none; place-items: center; padding: 1rem;
}
.modal.open { display: grid; }
.modal-panel {
  width: min(760px, 100%); max-height: min(88vh, 920px); overflow: auto; background: linear-gradient(180deg, #0b1528, #111d37);
  border: 1px solid var(--border); border-radius: 28px; box-shadow: var(--shadow); padding: 1.25rem;
}
.modal-close { float: right; border: 0; background: transparent; color: var(--muted); font-size: 1.5rem; }
.quiz-step { display: none; }
.quiz-step.active { display: block; }
.quiz-options { display: grid; gap: .8rem; margin-top: 1rem; }
.quiz-option { border: 1px solid var(--border); background: rgba(255,255,255,0.03); color: var(--text); padding: 1rem; border-radius: 16px; text-align: left; cursor: pointer; }
.quiz-progress { height: 10px; border-radius: 999px; background: rgba(255,255,255,0.06); overflow: hidden; margin: 1rem 0 1.2rem; }
.quiz-progress > span { display: block; height: 100%; background: linear-gradient(90deg, var(--brand), var(--accent)); width: 0%; }
.notice { color: var(--muted-2); font-size: .93rem; }
@media (max-width: 980px) {
  .hero-grid, .two-col, .grid-3, .grid-4, .stats-grid { grid-template-columns: 1fr; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .nav-links {
    position: absolute; top: calc(var(--nav-h) - 2px); left: 1rem; right: 1rem; display: none; flex-direction: column; align-items: stretch;
    background: rgba(10,16,29,0.98); border: 1px solid var(--border); border-radius: 18px; padding: 1rem;
  }
  .nav-links.open { display: flex; }
  .isi-inner { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .hero { padding-top: 3rem; }
  .hero h1 { font-size: 2.45rem; }
  .section, .page-hero { padding-top: 3rem; padding-bottom: 3rem; }
  .hero-card { min-height: 420px; }
}