:root {
  --bg: #FDF8F3;
  --bg-dark: #1A1A1A;
  --accent: #E8502A;
  --accent-light: #FFF0EB;
  --fg: #1A1A1A;
  --fg-muted: #6B6560;
  --fg-light: #F7F4F0;
  --border: #E8E0D6;
  --card-bg: #FFFFFF;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* NAV */
.nav {
  padding: 20px 40px;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 22px;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.5px;
}
.nav-tagline {
  font-size: 13px;
  color: var(--fg-muted);
  font-weight: 400;
  letter-spacing: 0.02em;
}

/* HERO */
.hero {
  padding: 80px 40px 60px;
  border-bottom: 1px solid var(--border);
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-headline {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: clamp(42px, 5vw, 68px);
  line-height: 1.05;
  letter-spacing: -2px;
  color: var(--fg);
  margin-bottom: 24px;
}
.hero-highlight {
  color: var(--accent);
}
.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 32px;
}
.hero-visual-block {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.platform-icon {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 500;
  color: var(--fg-muted);
}
.platform-icon svg { opacity: 0.6; }

/* RIGHT - multiplication diagram */
.multiplication-diagram {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 20px;
}
.source-node {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-dark);
  color: var(--fg-light);
  padding: 16px 20px;
  border-radius: 12px;
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: 15px;
  align-self: flex-start;
}
.source-icon {
  background: var(--accent);
  border-radius: 8px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.arrow-flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding-left: 80px;
}
.flow-line {
  width: 2px;
  height: 32px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  border-radius: 1px;
}
.flow-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}
.output-nodes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.output-card {
  background: var(--card-bg);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 12px;
  font-weight: 500;
  color: var(--fg-muted);
  text-align: center;
}

/* MANIFESTO */
.manifesto {
  padding: 80px 40px;
  background: var(--bg-dark);
  color: var(--fg-light);
}
.manifesto-inner { max-width: 900px; margin: 0 auto; text-align: center; }
.manifesto-text {
  font-family: 'Syne', sans-serif;
  font-weight: 600;
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.3;
  letter-spacing: -0.5px;
  margin-bottom: 28px;
  color: var(--fg-light);
}
.manifesto-statement {
  font-size: 16px;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.01em;
}

/* HOW IT WORKS */
.howitworks {
  padding: 80px 40px;
  border-bottom: 1px solid var(--border);
}
.howitworks-inner { max-width: 1000px; margin: 0 auto; }
.section-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 36px;
  letter-spacing: -1px;
  margin-bottom: 48px;
  color: var(--fg);
}
.steps-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0;
  align-items: start;
}
.step { padding: 0 20px; }
.step-number {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.step-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.3px;
  margin-bottom: 10px;
  color: var(--fg);
}
.step-desc {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.65;
}
.step-connector {
  width: 40px;
  height: 2px;
  background: var(--border);
  margin-top: 36px;
  flex-shrink: 0;
}

/* FEATURES */
.features {
  padding: 80px 40px;
  border-bottom: 1px solid var(--border);
}
.features-inner { max-width: 1100px; margin: 0 auto; }
.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 32px 48px;
}
.feature { }
.feature-icon-wrap {
  width: 44px;
  height: 44px;
  background: var(--accent-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--accent);
}
.feature-title {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 17px;
  margin-bottom: 8px;
  color: var(--fg);
  letter-spacing: -0.2px;
}
.feature-desc {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* OUTRO */
.outro {
  padding: 80px 40px;
  background: var(--accent-light);
}
.outro-inner { max-width: 800px; margin: 0 auto; text-align: center; }
.outro-quote {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: clamp(26px, 3.5vw, 44px);
  line-height: 1.2;
  letter-spacing: -1px;
  color: var(--fg);
  margin-bottom: 20px;
}
.outro-sub {
  font-size: 17px;
  color: var(--fg-muted);
}

/* FOOTER */
.footer {
  padding: 40px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
}
.footer-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.3px;
}
.footer-note {
  font-size: 13px;
  color: var(--fg-muted);
}
.footer-tag {
  font-size: 12px;
  color: var(--fg-muted);
  margin-left: auto;
  font-style: italic;
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-right { order: -1; }
  .steps-grid { grid-template-columns: 1fr; gap: 24px; }
  .step-connector { display: none; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .footer-inner { flex-wrap: wrap; gap: 8px; }
  .footer-tag { margin-left: 0; }
}
@media (max-width: 600px) {
  .hero, .manifesto, .howitworks, .features, .outro { padding: 60px 24px; }
  .nav { padding: 16px 24px; }
  .footer { padding: 32px 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .output-nodes { grid-template-columns: 1fr; }
}