:root {
  --bg: #0D0F1A;
  --bg-alt: #12141F;
  --fg: #F0EDE8;
  --fg-muted: #9B9BA8;
  --accent: #F5A623;
  --accent-dim: rgba(245, 166, 35, 0.12);
  --border: rgba(240, 237, 232, 0.08);
  --font-head: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 48px;
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 20px;
  color: var(--fg);
  letter-spacing: -0.5px;
}
.nav-tag {
  font-size: 13px;
  color: var(--fg-muted);
  letter-spacing: 0.03em;
}

/* HERO */
.hero {
  padding: 100px 48px 80px;
}
.hero-inner { max-width: 880px; }
.hero-eyebrow {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(48px, 7vw, 96px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -2px;
  color: var(--fg);
  margin-bottom: 32px;
}
.hero-sub {
  font-size: 20px;
  color: var(--fg-muted);
  max-width: 580px;
  line-height: 1.6;
  margin-bottom: 56px;
  font-weight: 300;
}
.hero-stat-row {
  display: flex;
  align-items: center;
  gap: 0;
}
.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 0 40px 0 0;
}
.hero-stat:first-child { padding-left: 0; }
.stat-num {
  font-family: var(--font-head);
  font-size: 52px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -1px;
  line-height: 1;
}
.stat-desc {
  font-size: 13px;
  color: var(--fg-muted);
  max-width: 220px;
  line-height: 1.4;
}
.hero-stat-divider {
  width: 1px;
  height: 64px;
  background: var(--border);
  margin-right: 40px;
}

/* PROOF */
.proof {
  background: var(--accent-dim);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 40px 48px;
}
.proof-inner { max-width: 800px; }
.proof-text {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 400;
  color: var(--fg);
  line-height: 1.5;
  font-style: italic;
  margin-bottom: 16px;
}
.proof-attr {
  font-size: 14px;
  color: var(--fg-muted);
}

/* SYMPTOM */
.symptom {
  background: var(--bg-alt);
  padding: 100px 48px;
}
.symptom-inner { max-width: 1100px; }
.symptom-title {
  font-family: var(--font-head);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -1px;
  margin-bottom: 56px;
  max-width: 600px;
}
.symptom-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.symptom-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px;
}
.symptom-icon {
  font-size: 28px;
  margin-bottom: 20px;
}
.symptom-card h3 {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 12px;
}
.symptom-card p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* FEATURES */
.features {
  padding: 100px 48px;
}
.features-inner { max-width: 1100px; }
.features-label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.features-title {
  font-family: var(--font-head);
  font-size: clamp(30px, 3.5vw, 44px);
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -1px;
  margin-bottom: 64px;
  max-width: 640px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
}
.feature-item {
  display: flex;
  gap: 20px;
  padding: 36px 0;
  border-top: 1px solid var(--border);
}
.feature-dot {
  width: 10px;
  height: 10px;
  min-width: 10px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 8px;
}
.feature-body h3 {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 8px;
}
.feature-body p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* HOW */
.how {
  background: var(--bg-alt);
  padding: 100px 48px;
}
.how-inner { max-width: 900px; }
.how-title {
  font-family: var(--font-head);
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -1px;
  margin-bottom: 64px;
}
.how-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.how-step {
  display: flex;
  gap: 48px;
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}
.step-num {
  font-family: var(--font-head);
  font-size: 52px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -1px;
  line-height: 1;
  min-width: 80px;
}
.step-body h3 {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 12px;
}
.step-body p {
  font-size: 16px;
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.6;
}

/* WHOFOR */
.whofor {
  padding: 100px 48px;
}
.whofor-inner { max-width: 900px; }
.whofor-title {
  font-family: var(--font-head);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -1px;
  margin-bottom: 48px;
  max-width: 680px;
}
.whofor-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.whofor-tag {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 10px 24px;
  font-size: 15px;
  color: var(--fg);
}

/* CLOSING */
.closing {
  padding: 120px 48px;
  border-top: 1px solid var(--border);
}
.closing-inner { max-width: 800px; }
.closing-title {
  font-family: var(--font-head);
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: 24px;
}
.closing-sub {
  font-size: 20px;
  color: var(--fg-muted);
  line-height: 1.6;
  max-width: 540px;
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--border);
  padding: 64px 48px;
}
.footer-inner { max-width: 800px; }
.footer-brand {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 16px;
}
.footer-desc {
  font-size: 15px;
  color: var(--fg-muted);
  max-width: 500px;
  line-height: 1.6;
  margin-bottom: 40px;
}
.footer-copy {
  font-size: 13px;
  color: var(--fg-muted);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav { padding: 20px 24px; }
  .hero { padding: 60px 24px 48px; }
  .hero-stat-row { flex-direction: column; gap: 32px; }
  .hero-stat-divider { display: none; }
  .hero-stat { padding: 0; }
  .symptom { padding: 64px 24px; }
  .symptom-grid { grid-template-columns: 1fr; }
  .features { padding: 64px 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .how { padding: 64px 24px; }
  .how-step { flex-direction: column; gap: 16px; }
  .whofor { padding: 64px 24px; }
  .closing { padding: 80px 24px; }
  .proof { padding: 32px 24px; }
  .footer { padding: 48px 24px; }
}