/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #0A1628;
  --bg-2: #0E1F36;
  --bg-3: #132440;
  --fg: #F0EBE3;
  --fg-dim: rgba(240,235,227,0.55);
  --fg-xdim: rgba(240,235,227,0.25);
  --accent: #00E5C4;
  --accent-dim: rgba(0,229,196,0.15);
  --accent-glow: rgba(0,229,196,0.3);
  --teal-dark: #00B5A0;
  --border: rgba(240,235,227,0.08);
  --card-bg: rgba(255,255,255,0.03);
}
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Outfit', system-ui, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* === NAV === */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 5%;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10,22,40,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav__brand { display: flex; align-items: center; gap: 0.5rem; }
.nav__logo { font-size: 1.1rem; color: var(--accent); }
.nav__name { font-family: 'DM Serif Display', serif; font-size: 1.2rem; color: var(--fg); letter-spacing: 0.02em; }
.nav__links { display: flex; gap: 2rem; }
.nav__link { color: var(--fg-dim); text-decoration: none; font-size: 0.875rem; font-weight: 500; transition: color 0.2s; }
.nav__link:hover { color: var(--fg); }

/* === HERO === */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem 5% 5rem;
  position: relative;
  overflow: hidden;
}
.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,229,196,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,196,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
}
.hero__pulse-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0,229,196,0.12);
  pointer-events: none;
}
.hero__pulse-ring--1 { width: 500px; height: 500px; right: -100px; top: 50%; transform: translateY(-50%); }
.hero__pulse-ring--2 { width: 800px; height: 800px; right: -250px; top: 50%; transform: translateY(-50%); }
.hero__pulse-ring--3 { width: 1100px; height: 1100px; right: -400px; top: 50%; transform: translateY(-50%); }
.hero__eyebrow { display: flex; align-items: center; gap: 1rem; margin-bottom: 2rem; }
.hero__badge { font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.12em; color: var(--accent); border: 1px solid rgba(0,229,196,0.3); padding: 0.25rem 0.75rem; border-radius: 100px; }
.hero__badge--dim { color: var(--fg-dim); border-color: var(--border); }
.hero__headline {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: 400;
  line-height: 1.05;
  color: var(--fg);
  margin-bottom: 2.5rem;
  max-width: 700px;
}
.hero__headline em { color: var(--accent); font-style: italic; }
.hero__body-row { display: grid; grid-template-columns: 1fr auto; gap: 3rem; align-items: end; margin-bottom: 4rem; max-width: 900px; }
.hero__lede { font-size: 1.15rem; color: var(--fg-dim); line-height: 1.7; max-width: 440px; font-weight: 300; }
.hero__stats { display: flex; flex-direction: column; gap: 1rem; align-items: flex-end; }
.hero__stat { text-align: right; }
.hero__stat-num { display: block; font-family: 'DM Serif Display', serif; font-size: 2.5rem; color: var(--fg); line-height: 1; }
.hero__stat-label { font-size: 0.7rem; color: var(--fg-xdim); text-transform: uppercase; letter-spacing: 0.1em; }

/* Scan Demo */
.hero__scan-demo { display: flex; align-items: center; gap: 3rem; margin-bottom: 4rem; }
.scan-ring { position: relative; width: 120px; height: 120px; flex-shrink: 0; }
.scan-ring__outer {
  position: absolute; inset: 0; border-radius: 50%;
  border: 1px solid rgba(0,229,196,0.3);
  animation: pulse-outer 3s ease-in-out infinite;
}
.scan-ring__inner {
  position: absolute; inset: 15px; border-radius: 50%;
  border: 1.5px solid rgba(0,229,196,0.5);
  display: flex; align-items: center; justify-content: center;
}
.scan-ring__face {
  width: 28px; height: 28px;
  background: rgba(0,229,196,0.15);
  border-radius: 50%;
  border: 1.5px solid var(--accent);
}
.scan-ring__label { position: absolute; bottom: -1.5rem; left: 50%; transform: translateX(-50%); font-size: 0.65rem; color: var(--accent); letter-spacing: 0.1em; text-transform: uppercase; white-space: nowrap; }
@keyframes pulse-outer {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.08); opacity: 0.15; }
}

/* Vitals Panel */
.hero__vitals { display: flex; flex-direction: column; gap: 0.75rem; }
.vital-row { display: flex; align-items: center; gap: 0.75rem; }
.vital-row__dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }
.vital-row__dot--pulse { background: #ff6b6b; box-shadow: 0 0 6px rgba(255,107,107,0.6); }
.vital-row__dot--bp { background: var(--accent); }
.vital-row__dot--hrv { background: #a78bfa; }
.vital-row__dot--stress { background: #fbbf24; }
.vital-row__key { font-size: 0.75rem; color: var(--fg-dim); min-width: 100px; }
.vital-row__val { font-size: 0.95rem; font-weight: 500; color: var(--fg); }
.vital-row__unit { font-size: 0.7rem; color: var(--fg-dim); margin-left: 0.25rem; }
.vital-row__unit--good { color: var(--accent); font-size: 0.8rem; }

/* Logos */
.hero__logos { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.hero__logos-label { font-size: 0.7rem; color: var(--fg-xdim); text-transform: uppercase; letter-spacing: 0.1em; }
.hero__logos-row { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero__logo-chip { font-size: 0.7rem; color: var(--fg-dim); border: 1px solid var(--border); padding: 0.25rem 0.75rem; border-radius: 100px; }

/* === SECTIONS === */
.section-label { display: block; font-size: 0.7rem; color: var(--accent); text-transform: uppercase; letter-spacing: 0.15em; font-weight: 600; margin-bottom: 1.5rem; }

/* === MANIFESTO === */
.manifesto {
  background: var(--bg-2);
  padding: 8rem 5%;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.manifesto__inner { max-width: 820px; margin: 0 auto; text-align: center; }
.manifesto__quote { font-family: 'DM Serif Display', serif; font-size: clamp(1.4rem, 3vw, 2.2rem); font-weight: 400; color: var(--fg); line-height: 1.4; font-style: italic; margin-bottom: 2.5rem; }
.manifesto__attribution { display: flex; align-items: center; justify-content: center; gap: 1.5rem; }
.manifesto__rule { width: 40px; height: 1px; background: var(--accent); opacity: 0.5; }
.manifesto__attr { font-size: 0.7rem; color: var(--accent); text-transform: uppercase; letter-spacing: 0.15em; }

/* === FEATURES === */
.features { padding: 8rem 5%; }
.features__header { margin-bottom: 4rem; }
.features__title {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 400;
  color: var(--fg);
  line-height: 1.15;
}
.features__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  transition: border-color 0.3s, background 0.3s;
}
.feature-card:hover { border-color: rgba(0,229,196,0.3); background: rgba(0,229,196,0.03); }
.feature-card__icon { margin-bottom: 1.25rem; }
.feature-card__title { font-size: 1rem; font-weight: 600; color: var(--fg); margin-bottom: 0.75rem; }
.feature-card__desc { font-size: 0.875rem; color: var(--fg-dim); line-height: 1.6; }

/* === HOW IT WORKS === */
.howitworks { padding: 8rem 5%; background: var(--bg-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.howitworks__header { margin-bottom: 4rem; }
.howitworks__title { font-family: 'DM Serif Display', serif; font-size: clamp(1.8rem, 3.5vw, 3rem); font-weight: 400; color: var(--fg); line-height: 1.2; }
.steps { display: flex; align-items: center; gap: 2rem; flex-wrap: wrap; }
.step { flex: 1; min-width: 200px; }
.step__number { font-family: 'DM Serif Display', serif; font-size: 3rem; color: var(--accent); opacity: 0.3; line-height: 1; margin-bottom: 1rem; }
.step__title { font-size: 1.1rem; font-weight: 600; color: var(--fg); margin-bottom: 0.75rem; }
.step__desc { font-size: 0.875rem; color: var(--fg-dim); line-height: 1.6; }
.step__arrow { width: 40px; height: 1px; background: var(--border); flex-shrink: 0; position: relative; }
.step__arrow::after { content: ''; position: absolute; right: 0; top: -3px; width: 8px; height: 8px; border-right: 1.5px solid var(--fg-xdim); border-top: 1.5px solid var(--fg-xdim); transform: rotate(45deg); }

/* === MARKETS === */
.markets { padding: 8rem 5%; }
.markets__header { margin-bottom: 4rem; }
.markets__title { font-family: 'DM Serif Display', serif; font-size: clamp(2rem, 4vw, 3.5rem); font-weight: 400; color: var(--fg); line-height: 1.15; }
.markets__row { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; margin-bottom: 4rem; }
.market-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
}
.market-card__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; }
.market-card__icon-wrap { width: 40px; height: 40px; border-radius: 10px; border: 1px solid rgba(0,229,196,0.2); display: flex; align-items: center; justify-content: center; }
.market-card__tag { font-size: 0.65rem; color: var(--accent); text-transform: uppercase; letter-spacing: 0.1em; border: 1px solid rgba(0,229,196,0.2); padding: 0.2rem 0.6rem; border-radius: 100px; }
.market-card__title { font-size: 1rem; font-weight: 600; color: var(--fg); margin-bottom: 0.75rem; }
.market-card__desc { font-size: 0.875rem; color: var(--fg-dim); line-height: 1.6; margin-bottom: 1rem; }
.market-card__use { font-size: 0.7rem; color: var(--fg-xdim); font-style: italic; }

/* Market stats */
.markets__stat-row { display: flex; align-items: center; gap: 3rem; border-top: 1px solid var(--border); padding-top: 3rem; flex-wrap: wrap; }
.market-stat { flex: 1; min-width: 150px; }
.market-stat__num { display: block; font-family: 'DM Serif Display', serif; font-size: 2.5rem; color: var(--fg); line-height: 1; margin-bottom: 0.5rem; }
.market-stat__desc { font-size: 0.75rem; color: var(--fg-dim); line-height: 1.5; }
.market-stat__divider { width: 1px; height: 50px; background: var(--border); flex-shrink: 0; }

/* === CLOSING === */
.closing { padding: 10rem 5%; }
.closing__inner { max-width: 720px; }
.closing__title { font-family: 'DM Serif Display', serif; font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 400; color: var(--fg); line-height: 1.1; margin-bottom: 2rem; }
.closing__body { font-size: 1.05rem; color: var(--fg-dim); line-height: 1.8; margin-bottom: 2.5rem; font-weight: 300; }
.closing__rule { width: 60px; height: 1px; background: var(--border); margin-bottom: 1.5rem; }
.closing__sub { font-size: 0.875rem; color: var(--fg-xdim); line-height: 1.7; }

/* === FOOTER === */
.footer { padding: 4rem 5% 3rem; border-top: 1px solid var(--border); }
.footer__inner { max-width: 600px; }
.footer__brand { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1rem; }
.footer__logo { font-size: 1rem; color: var(--accent); }
.footer__name { font-family: 'DM Serif Display', serif; font-size: 1.1rem; color: var(--fg); }
.footer__tagline { font-size: 0.875rem; color: var(--fg-dim); margin-bottom: 1rem; }
.footer__meta { font-size: 0.7rem; color: var(--fg-xdim); }

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .hero__headline { font-size: 3rem; }
  .hero__body-row { grid-template-columns: 1fr; gap: 1.5rem; }
  .hero__stats { flex-direction: row; align-items: flex-start; gap: 2rem; }
  .hero__stat { text-align: left; }
  .hero__scan-demo { flex-direction: column; align-items: flex-start; gap: 1.5rem; }
  .steps { flex-direction: column; gap: 1rem; }
  .step__arrow { display: none; }
  .markets__stat-row { flex-direction: column; gap: 1.5rem; }
  .market-stat__divider { display: none; }
  .nav__links { display: none; }
}
@media (max-width: 480px) {
  .hero { padding: 7rem 5% 4rem; }
  .hero__headline { font-size: 2.5rem; }
}