:root {
  --bg: #0F0F0F;
  --bg-alt: #161616;
  --fg: #F5F5F5;
  --fg-muted: #888888;
  --accent: #FF6B00;
  --accent-dim: rgba(255, 107, 0, 0.12);
  --border: #2A2A2A;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 40px;
  background: rgba(15,15,15,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
}
.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 20px;
  color: var(--fg);
  letter-spacing: -0.5px;
}
.nav-cta {
  font-size: 14px;
  font-weight: 500;
  color: var(--fg);
  text-decoration: none;
  padding: 10px 20px;
  border: 1px solid var(--border);
  border-radius: 2px;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.nav-cta:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
}

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px 40px 80px;
  background: var(--bg);
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 45%;
  background: linear-gradient(135deg, var(--accent-dim) 0%, transparent 60%);
  pointer-events: none;
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.hero-eyebrow {
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.hero-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(56px, 7vw, 88px);
  line-height: 0.95;
  letter-spacing: -3px;
  color: var(--fg);
  margin-bottom: 28px;
}
.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 520px;
  line-height: 1.65;
  margin-bottom: 36px;
}
.hero-cta {
  display: inline-block;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
  color: #0F0F0F;
  background: var(--accent);
  padding: 14px 28px;
  border-radius: 2px;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.15s ease;
}
.hero-cta:hover {
  background: #ff8533;
  transform: translateY(-1px);
}
.hero-right {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.hero-stat-block {
  padding: 32px 36px;
  border: 1px solid var(--border);
  border-radius: 4px;
}
.hero-stat-block.accent {
  border-color: var(--accent);
  background: var(--accent-dim);
}
.stat-number {
  display: block;
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 72px;
  color: var(--fg);
  letter-spacing: -4px;
  line-height: 1;
}
.hero-stat-block.accent .stat-number { color: var(--accent); }
.stat-label {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.hero-scroll-hint {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 64px;
  font-size: 13px;
  color: var(--fg-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

/* SECTIONS */
.section-header {
  max-width: 1200px;
  margin: 0 auto 64px;
  padding: 0 40px;
}
.section-label {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: clamp(32px, 4vw, 52px);
  letter-spacing: -1.5px;
  line-height: 1.1;
  color: var(--fg);
}

/* HOW IT WORKS */
.howitworks {
  padding: 100px 40px;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}
.loop-steps {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.loop-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  padding: 36px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}
.loop-step:first-child { border-top: 1px solid var(--border); }
.step-num {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 28px;
  color: var(--accent);
  letter-spacing: -1px;
  line-height: 1;
  padding-top: 4px;
}
.step-content h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 22px;
  color: var(--fg);
  margin-bottom: 10px;
}
.step-content p {
  font-size: 15px;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.65;
}

/* FEATURES */
.features {
  padding: 100px 40px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.feature-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.feature-item {
  background: var(--bg);
  padding: 40px 36px;
}
.feature-icon {
  color: var(--accent);
  margin-bottom: 20px;
}
.feature-item h3 {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 18px;
  color: var(--fg);
  margin-bottom: 12px;
}
.feature-item p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* PROOF */
.proof {
  padding: 100px 40px;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}
.proof-grid {
  max-width: 1200px;
  margin: 0 auto 64px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
}
.proof-stat {}
.proof-bullet-icon {
  color: var(--accent);
  margin-bottom: 20px;
}
.proof-desc {
  font-size: 16px;
  color: var(--fg-muted);
  line-height: 1.65;
  max-width: 280px;
}
.proof-callout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 36px 40px;
  border: 1px solid var(--border);
  background: var(--bg);
}
.proof-callout p {
  font-size: 22px;
  color: var(--fg);
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.4;
}

/* SOCIAL PROOF */
.social {
  padding: 100px 40px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.social-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.social-quote {
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.35;
  letter-spacing: -0.8px;
  color: var(--fg);
  margin-bottom: 28px;
}
.social-attr {
  font-size: 15px;
  color: var(--fg-muted);
  font-style: italic;
}
.manifesto {
  padding: 100px 40px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.manifesto-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.manifesto-text {
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.3;
  letter-spacing: -1px;
  color: var(--fg);
  margin-bottom: 24px;
}
.manifesto-attr {
  font-size: 14px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* CLOSING */
.closing {
  padding: 100px 40px;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}
.closing-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.closing-title {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(36px, 5vw, 64px);
  letter-spacing: -2px;
  line-height: 1.05;
  color: var(--fg);
  margin-bottom: 28px;
}
.closing-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.65;
  margin-bottom: 36px;
}
.closing-cta {
  display: inline-block;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.02em;
  color: #0F0F0F;
  background: var(--accent);
  padding: 16px 36px;
  border-radius: 2px;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.15s ease;
}
.closing-cta:hover {
  background: #ff8533;
  transform: translateY(-1px);
}

/* FOOTER */
.footer {
  padding: 40px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 18px;
  color: var(--fg);
}
.footer-copy {
  font-size: 13px;
  color: var(--fg-muted);
}

/* MOBILE */
@media (max-width: 768px) {
  .nav { padding: 16px 24px; }
  .hero { padding: 100px 24px 60px; min-height: auto; }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-right { display: none; }
  .hero-headline { font-size: 52px; letter-spacing: -2px; }
  .section-header { padding: 0 24px; }
  .section-title { font-size: 28px; }
  .howitworks, .features, .proof, .manifesto, .closing { padding: 72px 24px; }
  .loop-step { grid-template-columns: 56px 1fr; gap: 16px; padding: 28px 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .proof-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-inner { flex-direction: column; gap: 8px; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero-headline { font-size: 44px; }
  .proof-num { font-size: 44px; }
  .closing-title { font-size: 32px; }
}