:root {
  --bg-primary: #0A0F1C;
  --bg-secondary: #0F1629;
  --bg-card: #141B2D;
  --bg-card-hover: #1A2340;
  --fg-primary: #F1F5F9;
  --fg-secondary: #94A3B8;
  --fg-muted: #64748B;
  --accent: #F59E0B;
  --accent-dim: rgba(245, 158, 11, 0.15);
  --accent-glow: rgba(245, 158, 11, 0.3);
  --border: rgba(148, 163, 184, 0.1);
  --font-heading: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-primary);
  color: var(--fg-primary);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ===== NAV ===== */
.nav {
  padding: 28px 48px;
  display: flex;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  color: var(--accent);
  font-size: 22px;
}

.logo-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.02em;
  color: var(--fg-primary);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg-primary);
  background-image:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(245, 158, 11, 0.06) 0%, transparent 60%),
    radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.04) 0%, transparent 40%);
}

.hero-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 48px;
  max-width: 900px;
}

.hero-tag {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(42px, 6.5vw, 76px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fg-primary);
  margin-bottom: 28px;
}

.hero-title .accent {
  color: var(--accent);
}

.hero-sub {
  font-size: 19px;
  color: var(--fg-secondary);
  max-width: 600px;
  line-height: 1.6;
  margin-bottom: 40px;
}

.hero-search-mock {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 24px;
  max-width: 620px;
  position: relative;
  overflow: hidden;
}

.hero-search-mock::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 12px;
  padding: 1px;
  background: linear-gradient(135deg, var(--accent-glow), transparent 60%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.search-icon {
  color: var(--accent);
  font-size: 20px;
  flex-shrink: 0;
}

.search-text {
  color: var(--fg-muted);
  font-size: 15px;
  font-family: var(--font-body);
}

.search-cursor {
  width: 2px;
  height: 20px;
  background: var(--accent);
  animation: blink 1.2s infinite;
  flex-shrink: 0;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 40px 48px;
  border-top: 1px solid var(--border);
}

.stat-num {
  display: block;
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 700;
  color: var(--fg-primary);
  letter-spacing: -0.02em;
}

.stat-label {
  display: block;
  font-size: 13px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

/* ===== SECTION SHARED ===== */
.section-tag {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

/* ===== PROBLEM ===== */
.problem {
  padding: 120px 48px;
  background: var(--bg-secondary);
}

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

.problem h2 {
  font-family: var(--font-heading);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 56px;
  color: var(--fg-primary);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 32px;
  transition: border-color 0.3s, background 0.3s;
}

.problem-card:hover {
  border-color: var(--accent-glow);
  background: var(--bg-card-hover);
}

.problem-num {
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}

.problem-card h3 {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 600;
  color: var(--fg-primary);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.problem-card p {
  font-size: 15px;
  color: var(--fg-secondary);
  line-height: 1.6;
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
  padding: 120px 48px;
  background: var(--bg-primary);
}

.hiw-inner {
  max-width: 800px;
  margin: 0 auto;
}

.how-it-works h2 {
  font-family: var(--font-heading);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 64px;
  color: var(--fg-primary);
}

.pipeline {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.pipe-step {
  display: flex;
  gap: 28px;
  align-items: flex-start;
}

.pipe-icon {
  width: 56px;
  height: 56px;
  background: var(--accent-dim);
  border: 1px solid var(--accent-glow);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--accent);
  flex-shrink: 0;
}

.pipe-content h3 {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 600;
  color: var(--fg-primary);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.pipe-content p {
  font-size: 16px;
  color: var(--fg-secondary);
  line-height: 1.6;
}

.pipe-connector {
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent-glow), transparent);
  margin-left: 27px;
}

/* ===== COVERAGE ===== */
.coverage {
  padding: 120px 48px;
  background: var(--bg-secondary);
}

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

.coverage h2 {
  font-family: var(--font-heading);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 56px;
  color: var(--fg-primary);
}

.coverage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.cov-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 28px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.3s;
}

.cov-item:hover {
  border-color: var(--accent-glow);
}

.cov-label {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 600;
  color: var(--fg-primary);
}

.cov-desc {
  font-size: 14px;
  color: var(--fg-muted);
}

/* ===== WHO ===== */
.who {
  padding: 120px 48px;
  background: var(--bg-primary);
}

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

.who h2 {
  font-family: var(--font-heading);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 56px;
  color: var(--fg-primary);
}

.who-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.who-card {
  padding: 40px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: border-color 0.3s, transform 0.3s;
}

.who-card:hover {
  border-color: var(--accent-glow);
  transform: translateY(-2px);
}

.who-role {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 14px;
}

.who-card p {
  font-size: 15px;
  color: var(--fg-secondary);
  line-height: 1.6;
}

/* ===== MANIFESTO ===== */
.manifesto {
  padding: 140px 48px;
  background: var(--bg-primary);
  background-image:
    radial-gradient(ellipse 70% 50% at 50% 100%, rgba(245, 158, 11, 0.05) 0%, transparent 60%);
  text-align: center;
}

.manifesto-inner {
  max-width: 720px;
  margin: 0 auto;
}

.manifesto h2 {
  font-family: var(--font-heading);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 28px;
  color: var(--fg-primary);
}

.manifesto-body {
  font-size: 18px;
  color: var(--fg-secondary);
  line-height: 1.7;
  margin-bottom: 40px;
}

.manifesto-accent {
  width: 48px;
  height: 3px;
  background: var(--accent);
  margin: 0 auto;
  border-radius: 2px;
}

/* ===== FOOTER ===== */
.footer {
  padding: 48px;
  border-top: 1px solid var(--border);
  background: var(--bg-primary);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

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

.footer-copy {
  font-size: 13px;
  color: var(--fg-muted);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav { padding: 20px 24px; }
  .hero-content { padding: 0 24px; }
  .hero-stats { padding: 32px 24px; gap: 24px; flex-wrap: wrap; }
  .stat-divider { display: none; }
  
  .problem,
  .how-it-works,
  .coverage,
  .who,
  .manifesto { padding: 80px 24px; }
  
  .problem-grid,
  .coverage-grid,
  .who-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
  
  .hero-search-mock {
    padding: 14px 18px;
  }
  
  .search-text {
    font-size: 13px;
  }
}