/* =========================================
   GrowthRoot Landing Page
   ========================================= */

:root {
  --bg: #FAFAF5;
  --bg-dark: #1B4332;
  --bg-mid: #2D6A4F;
  --primary: #1B4332;
  --accent: #F59E0B;
  --accent-light: #FCD34D;
  --text: #1A1A1A;
  --text-muted: #6B7280;
  --text-light: #F9FAFB;
}

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

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

h1, h2, h3 {
  font-family: 'Syne', sans-serif;
  line-height: 1.15;
}

/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(250, 250, 245, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(27, 67, 50, 0.08);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 18px;
  color: var(--primary);
  letter-spacing: -0.3px;
}

.nav-tagline {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0.5px;
}

/* Hero */
.hero {
  min-height: 100vh;
  background: var(--bg-dark);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 0 32px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.5;
}

.hero-network {
  width: min(900px, 120%);
  height: auto;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
  padding: 120px 0 100px;
}

.hero-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.25);
  padding: 5px 12px;
  border-radius: 20px;
  margin-bottom: 28px;
}

.hero-headline {
  font-size: clamp(48px, 7vw, 88px);
  font-weight: 800;
  color: var(--text-light);
  margin-bottom: 24px;
  letter-spacing: -2px;
}

.hero-sub {
  font-size: clamp(16px, 2vw, 20px);
  color: rgba(249, 250, 251, 0.65);
  max-width: 540px;
  margin-bottom: 56px;
  line-height: 1.7;
  font-weight: 300;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
}

.stat {
  display: flex;
  flex-direction: column;
  padding: 0 40px 0 0;
}

.stat:first-child {
  padding-left: 0;
}

.stat-value {
  font-family: 'Syne', sans-serif;
  font-size: 32px;
  font-weight: 700;
  color: var(--text-light);
  line-height: 1;
}

.stat-label {
  font-size: 13px;
  color: rgba(249, 250, 251, 0.5);
  margin-top: 6px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: rgba(249, 250, 251, 0.15);
  margin-right: 40px;
}

/* How */
.how {
  background: var(--bg);
  padding: 120px 32px;
}

.how-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-heading {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 72px;
  letter-spacing: -1px;
}

.how-steps {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  flex-wrap: wrap;
}

.step {
  flex: 1;
  min-width: 240px;
  padding: 28px;
  background: white;
  border: 1px solid rgba(27, 67, 50, 0.08);
  border-radius: 12px;
}

.step-num {
  font-family: 'Syne', sans-serif;
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.step-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}

.step-content p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}

.step-arrow {
  display: flex;
  align-items: center;
  padding-top: 24px;
  flex-shrink: 0;
}

/* Features */
.features {
  background: #F3F5F0;
  padding: 120px 32px;
}

.features-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1px;
  background: rgba(27, 67, 50, 0.08);
  border: 1px solid rgba(27, 67, 50, 0.08);
  border-radius: 16px;
  overflow: hidden;
}

.feature-card {
  background: #F3F5F0;
  padding: 36px;
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: rgba(27, 67, 50, 0.06);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Dashboard */
.dashboard-section {
  background: var(--bg);
  padding: 120px 32px;
}

.dashboard-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.dashboard-desc {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 28px;
}

.dashboard-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.dashboard-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--text);
  font-weight: 500;
}

.dashboard-mockup {
  background: #0F2419;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 32px 80px rgba(27, 67, 50, 0.2);
}

.mockup-bar {
  background: #0A1A10;
  padding: 12px 16px;
  display: flex;
  gap: 8px;
}

.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
}

.mockup-content {
  padding: 24px;
}

.mockup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.mockup-title {
  font-family: 'Syne', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: #F9FAFB;
}

.mockup-badge {
  font-size: 11px;
  font-weight: 500;
  background: rgba(34, 197, 94, 0.2);
  color: #4ADE80;
  padding: 3px 10px;
  border-radius: 20px;
}

.mockup-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.mock-metric {
  background: rgba(255,255,255,0.04);
  border-radius: 8px;
  padding: 12px;
}

.mock-metric-label {
  font-size: 10px;
  color: rgba(249,250,251,0.4);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.mock-metric-val {
  font-family: 'Syne', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: #F9FAFB;
}

.mock-metric-up {
  font-size: 11px;
  color: #4ADE80;
  margin-top: 2px;
}

.mockup-chart {
  margin-bottom: 20px;
}

.sparkline {
  width: 100%;
  height: 60px;
}

.mockup-channels {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.channel {
  display: grid;
  grid-template-columns: 56px 1fr 60px;
  align-items: center;
  gap: 10px;
}

.channel-name {
  font-size: 12px;
  color: rgba(249,250,251,0.6);
  font-weight: 500;
}

.channel-bar {
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
}

.channel-fill {
  height: 100%;
  background: #40916C;
  border-radius: 2px;
}

.channel-val {
  font-size: 12px;
  color: rgba(249,250,251,0.8);
  text-align: right;
  font-weight: 500;
}

/* Closing */
.closing {
  background: var(--primary);
  padding: 120px 32px;
}

.closing-inner {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.closing-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 800;
  color: var(--text-light);
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.closing-sub {
  font-size: 18px;
  color: rgba(249,250,251,0.6);
  max-width: 520px;
  margin: 0 auto 56px;
  line-height: 1.7;
  font-weight: 300;
}

.closing-edge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}

.edge-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 48px;
}

.edge-item strong {
  font-family: 'Syne', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
}

.edge-item span {
  font-size: 13px;
  color: rgba(249,250,251,0.5);
  margin-top: 4px;
}

.edge-sep {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.12);
}

/* Footer */
.footer {
  background: #0F2419;
  padding: 48px 32px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.footer-logo {
  font-family: 'Syne', sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 8px;
}

.footer-tagline {
  font-size: 14px;
  color: rgba(249,250,251,0.4);
  margin-bottom: 20px;
}

.footer-copy {
  font-size: 12px;
  color: rgba(249,250,251,0.25);
}

/* Responsive */
@media (max-width: 768px) {
  .hero-stats {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  
  .stat-divider {
    display: none;
  }
  
  .how-steps {
    flex-direction: column;
  }
  
  .step-arrow {
    display: none;
  }
  
  .dashboard-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .closing-edge {
    flex-direction: column;
    gap: 24px;
  }
  
  .edge-sep {
    display: none;
  }
  
  .edge-item {
    padding: 0;
  }
  
  .mockup-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .hero-headline {
    letter-spacing: -1px;
  }
  
  .hero {
    padding: 0 20px;
  }
  
  .mockup-metrics {
    grid-template-columns: 1fr;
  }
}