:root {
  --bg: #f5f4f0;
  --bg-alt: #eae8e0;
  --fg: #1c2b1c;
  --accent: #5b8a5b;
  --accent-warm: #c2714f;
  --muted: #6b7c6b;
  --border: #d4d0c8;
  --card-bg: #ffffff;
}

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

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

/* Navigation */
nav {
  padding: 20px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--accent);
}

.nav-logo {
  font-family: 'Fraunces', serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.5px;
}

/* Hero */
.hero {
  padding: 80px 48px 96px;
  border-bottom: 1px solid var(--border);
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-text h1 {
  font-family: 'Fraunces', serif;
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1px;
  color: var(--fg);
  margin-bottom: 24px;
}

.lede {
  font-size: 19px;
  color: var(--muted);
  line-height: 1.65;
  max-width: 440px;
}

.hero-cta {
  display: inline-block;
  margin-top: 28px;
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 500;
  color: var(--fg);
  background: var(--accent);
  padding: 12px 28px;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.2s ease;
}

.hero-cta:hover {
  background: #4a7a4a;
}

/* Signal Visual */
.hero-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.signal-ring {
  position: relative;
  width: 180px;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ring {
  position: absolute;
  border-radius: 50%;
  border: 2px solid var(--accent);
  opacity: 0.3;
  animation: pulse-ring 3s ease-out infinite;
}

.r1 { width: 80px; height: 80px; animation-delay: 0s; }
.r2 { width: 120px; height: 120px; animation-delay: 0.5s; opacity: 0.2; }
.r3 { width: 160px; height: 160px; animation-delay: 1s; opacity: 0.1; }

@keyframes pulse-ring {
  0% { transform: scale(0.95); opacity: 0.4; }
  50% { transform: scale(1.05); opacity: 0.15; }
  100% { transform: scale(0.95); opacity: 0.4; }
}

.center-dot {
  width: 48px;
  height: 48px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  animation: pulse-dot 2.5s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

.pulse-icon {
  color: white;
  font-size: 12px;
  display: block;
}

.signal-labels {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.label-live {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent-warm);
}

.label-text {
  font-size: 13px;
  color: var(--muted);
}

/* Problem */
.problem {
  padding: 72px 48px;
  background: var(--fg);
  color: var(--bg);
}

.problem-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0;
  align-items: start;
}

.problem-stat {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.stat-number {
  font-family: 'Fraunces', serif;
  font-size: clamp(42px, 6vw, 64px);
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -2px;
}

.stat-label {
  font-size: 15px;
  color: #a8b8a8;
  line-height: 1.55;
  max-width: 200px;
}

.problem-divider {
  width: 1px;
  background: #3d5a3d;
  margin: 8px 32px;
  align-self: stretch;
}

/* Features */
.features {
  padding: 88px 48px;
}

.features-header {
  max-width: 600px;
  margin: 0 auto 64px;
  text-align: center;
}

.features-header h2 {
  font-family: 'Fraunces', serif;
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.features-header p {
  font-size: 18px;
  color: var(--muted);
}

.feature-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
}

.feature-card {
  background: var(--card-bg);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.feature-icon {
  color: var(--accent);
  width: 28px;
}

.feature-card h3 {
  font-family: 'Fraunces', serif;
  font-size: 22px;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: -0.3px;
}

.feature-card p {
  font-size: 16px;
  color: var(--muted);
  line-height: 1.6;
}

/* Manifesto */
.manifesto {
  padding: 80px 48px;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.manifesto-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.manifesto blockquote {
  font-family: 'Fraunces', serif;
  font-size: clamp(20px, 3vw, 28px);
  font-style: italic;
  font-weight: 400;
  color: var(--fg);
  line-height: 1.55;
  letter-spacing: -0.3px;
  margin-bottom: 20px;
}

.manifesto-source {
  font-size: 13px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

/* Closing */
.closing {
  padding: 96px 48px;
  background: var(--fg);
  color: var(--bg);
}

.closing-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.closing h2 {
  font-family: 'Fraunces', serif;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
}

.closing p {
  font-size: 20px;
  color: #8aab8a;
  font-style: italic;
}

/* Footer */
footer {
  padding: 32px 48px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-brand {
  font-family: 'Fraunces', serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--fg);
}

.footer-tagline {
  font-size: 14px;
  color: var(--muted);
}

/* Responsive */
@media (max-width: 768px) {
  nav, .hero, .problem, .features, .manifesto, .closing, footer {
    padding-left: 24px;
    padding-right: 24px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-visual {
    order: -1;
  }

  .problem-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .problem-divider {
    display: none;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }
}