:root {
  --bg: #f4f3ee;
  --fg: #0d1b2a;
  --accent: #baff39;
  --accent-dim: #8fb82a;
  --muted: #8b9ab4;
  --surface: #ffffff;
  --border: #d8d7cf;
  --ink: #1a2a3a;
}

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

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

/* --- NAV --- */
.nav {
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 14px;
  background: var(--fg);
  color: var(--accent);
  padding: 4px 8px;
  letter-spacing: 0.05em;
}
.nav-name {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: -0.01em;
}

/* --- HERO --- */
.hero {
  padding: 96px 48px 80px;
  border-bottom: 1px solid var(--border);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-overline {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-dim);
  margin-bottom: 24px;
}
.hero-headline {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
  color: var(--ink);
}
.hero-body {
  font-size: 18px;
  font-weight: 400;
  color: #4a5568;
  max-width: 480px;
  line-height: 1.7;
}

/* radar visual */
.hero-visual {
  position: relative;
  width: 360px;
  height: 360px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}
.radar-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--border);
}
.radar-ring-1 { width: 360px; height: 360px; }
.radar-ring-2 { width: 260px; height: 260px; }
.radar-ring-3 { width: 160px; height: 160px; }
.radar-center {
  position: relative;
  width: 80px;
  height: 80px;
  background: var(--fg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}
.radar-icon {
  width: 28px;
  height: 28px;
  background: var(--accent);
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
}
.radar-blip {
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0.9;
}
.radar-blip-1 { top: 20px; left: 50%; transform: translateX(-50%); }
.radar-blip-2 { top: 50%; right: 20px; transform: translateY(-50%); }
.radar-blip-3 { bottom: 20px; left: 50%; transform: translateX(-50%); }
.radar-blip-4 { top: 50%; left: 20px; transform: translateY(-50%); }
.alert-popup {
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--fg);
  color: var(--accent);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 12px;
  font-weight: 600;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.alert-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* stats bar */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 40px;
  max-width: 1200px;
  margin: 64px auto 0;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: 13px;
  color: var(--muted);
  font-weight: 400;
}
.stat-sep {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* --- HOW IT WORKS --- */
.howitworks {
  padding: 96px 48px;
  border-bottom: 1px solid var(--border);
}
.howitworks-header {
  max-width: 1200px;
  margin: 0 auto 64px;
}
.section-overline {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-dim);
  margin-bottom: 16px;
}
.section-headline {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.steps-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0;
  max-width: 1200px;
  margin: 0 auto;
  align-items: start;
}
.step { padding: 0 32px; }
.step-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 48px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 16px;
  display: block;
}
.step-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 12px;
}
.step-body {
  font-size: 15px;
  color: #4a5568;
  line-height: 1.65;
}
.step-connector {
  width: 40px;
  height: 1px;
  background: var(--border);
  margin-top: 60px;
  flex-shrink: 0;
}

/* --- FEATURES --- */
.features {
  padding: 96px 48px;
  border-bottom: 1px solid var(--border);
  background: var(--fg);
}
.features-header { max-width: 1200px; margin: 0 auto 56px; }
.features .section-overline { color: var(--accent-dim); }
.features .section-headline { color: #f0efe8; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  max-width: 1200px;
  margin: 0 auto;
  background: #1e2d3d;
  border: 1px solid #1e2d3d;
}
.feature {
  background: var(--fg);
  padding: 40px 36px;
}
.feature-icon {
  width: 36px;
  height: 36px;
  background: var(--accent);
  margin-bottom: 20px;
  clip-path: polygon(0 0, 100% 0, 100% 4px, 4px 4px, 4px 100%, 0 100%);
}
.feature-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 17px;
  font-weight: 600;
  color: #f0efe8;
  margin-bottom: 10px;
}
.feature-body {
  font-size: 14px;
  color: #8b9ab4;
  line-height: 1.65;
}

/* --- MANIFESTO --- */
.manifesto {
  padding: 96px 48px;
  border-bottom: 1px solid var(--border);
}
.manifesto-inner {
  max-width: 760px;
  margin: 0 auto;
}
.manifesto-quote {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(22px, 2.5vw, 30px);
  font-weight: 500;
  color: var(--ink);
  line-height: 1.4;
  letter-spacing: -0.01em;
  margin-bottom: 40px;
  font-style: normal;
  border-left: 4px solid var(--accent);
  padding-left: 28px;
}
.manifesto-body {
  font-size: 17px;
  color: #4a5568;
  line-height: 1.75;
  margin-bottom: 20px;
}

/* --- CLOSING --- */
.closing {
  padding: 96px 48px;
  background: var(--ink);
}
.closing-headline {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(36px, 5vw, 72px);
  font-weight: 700;
  color: #f0efe8;
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 28px;
}
.closing-body {
  font-size: 18px;
  color: #8b9ab4;
  max-width: 560px;
  line-height: 1.7;
}

/* --- FOOTER --- */
.footer {
  padding: 40px 48px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 13px;
  background: var(--fg);
  color: var(--accent);
  padding: 4px 8px;
}
.footer-name {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
}
.footer-tagline {
  font-size: 13px;
  color: var(--muted);
}

/* --- RESPONSIVE --- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { width: 280px; height: 280px; }
  .radar-ring-1 { width: 280px; height: 280px; }
  .radar-ring-2 { width: 200px; height: 200px; }
  .radar-ring-3 { width: 120px; height: 120px; }
  .hero-stats { flex-wrap: wrap; gap: 24px; }
  .steps-row { grid-template-columns: 1fr; gap: 40px; }
  .step-connector { display: none; }
  .features-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .hero, .howitworks, .features, .manifesto, .closing { padding: 64px 24px; }
  .nav { padding: 16px 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; gap: 16px; align-items: flex-start; }
}