/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #08080c;
  --bg-card: #0f0f16;
  --bg-elevated: #14141e;
  --fg: #f0f0f5;
  --fg-muted: #8a8a9a;
  --accent: #00e5cc;
  --accent-dim: rgba(0, 229, 204, 0.12);
  --accent-glow: rgba(0, 229, 204, 0.25);
  --amber: #f59e0b;
  --border: rgba(255, 255, 255, 0.06);
  --font-head: 'Syne', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

html { font-size: 16px; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
  background: rgba(8, 8, 12, 0.8);
  backdrop-filter: blur(12px);
}
.nav-brand {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -0.02em;
  text-decoration: none;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav-action-link {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-action-link:hover { color: var(--fg); }
.nav-action-btn {
  padding: 8px 18px;
  background: var(--accent);
  color: #08080c;
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 700;
  border-radius: 8px;
  text-decoration: none;
  transition: opacity 0.2s;
}
.nav-action-btn:hover { opacity: 0.85; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 48px 80px;
  position: relative;
  overflow: hidden;
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 229, 204, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 204, 0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 0%, black 40%, transparent 100%);
  pointer-events: none;
}
.hero-content {
  max-width: 820px;
  position: relative;
  z-index: 1;
}
.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 32px;
  padding: 6px 14px;
  border: 1px solid var(--accent-dim);
  border-radius: 2px;
}
.label-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 8px var(--accent); }
  50% { opacity: 0.6; box-shadow: 0 0 16px var(--accent-glow); }
}
.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 28px;
}
.hero-headline .accent { color: var(--accent); }
.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 56px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 28px 0;
  border-top: 1px solid var(--border);
}
.stat { padding: 0 40px 0 0; }
.stat:first-child { padding-left: 0; }
.stat-value {
  font-family: var(--font-head);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: 0.78rem;
  color: var(--fg-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
  margin-right: 40px;
}

/* ===== SECTION HEADER ===== */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-tag {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
}

/* ===== FEATURES ===== */
.features {
  padding: 100px 48px;
  background: var(--bg);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.feature-card {
  background: var(--bg-card);
  padding: 40px 36px;
  transition: background 0.2s ease;
}
.feature-card:hover { background: var(--bg-elevated); }
.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  background: var(--accent-dim);
  border-radius: 4px;
}
.feature-title {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.feature-desc {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ===== HOW IT WORKS ===== */
.howitworks {
  padding: 100px 48px;
  background: var(--bg-card);
}
.steps-row {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-top: 60px;
}
.step {
  flex: 1;
  padding: 0 32px;
}
.step:first-child { padding-left: 0; }
.step-number {
  font-family: var(--font-head);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-dim);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 20px;
}
.step-title {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
}
.step-desc {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.65;
}
.step-arrow {
  display: flex;
  align-items: center;
  padding-top: 20px;
  flex-shrink: 0;
}

/* ===== MANIFESTO ===== */
.manifesto {
  padding: 100px 48px;
  background: var(--bg);
  position: relative;
}
.manifesto-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 60% at 50% 50%, rgba(0, 229, 204, 0.04) 0%, transparent 70%);
  pointer-events: none;
}
.manifesto-content {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}
.manifesto-tag {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
  display: block;
  margin-bottom: 24px;
}
.manifesto-headline {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--fg);
  margin-bottom: 36px;
}
.manifesto-highlight { color: var(--accent); }
.manifesto-body {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.75;
  margin-bottom: 20px;
}
.manifesto-bold {
  font-weight: 600;
  color: var(--fg);
  margin-top: 32px;
  font-size: 1.05rem;
}

/* ===== CLOSING ===== */
.closing {
  padding: 100px 48px;
  background: var(--bg-card);
  text-align: center;
}
.closing-headline {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--fg);
  margin-bottom: 24px;
}
.closing-headline .accent { color: var(--accent); }
.closing-sub {
  font-size: 1rem;
  color: var(--fg-muted);
  max-width: 500px;
  margin: 0 auto 48px;
  line-height: 1.7;
}
.closing-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}
.tag {
  padding: 8px 18px;
  border: 1px solid var(--border);
  border-radius: 2px;
  font-size: 0.8rem;
  color: var(--fg-muted);
  letter-spacing: 0.04em;
}

/* ===== FOOTER ===== */
.footer {
  padding: 48px;
  border-top: 1px solid var(--border);
  background: var(--bg);
  text-align: center;
}
.footer-brand {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.footer-tagline {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-bottom: 20px;
}
.footer-copy {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.25);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .navbar { padding: 16px 24px; }
  .hero { padding: 100px 24px 60px; }
  .features { padding: 60px 24px; }
  .howitworks { padding: 60px 24px; }
  .manifesto { padding: 60px 24px; }
  .closing { padding: 60px 24px; }
  .footer { padding: 32px 24px; }

  .features-grid { grid-template-columns: 1fr; }
  .steps-row { flex-direction: column; gap: 40px; }
  .step { padding: 0; }
  .step-arrow { display: none; }

  .hero-stats { flex-wrap: wrap; gap: 24px; }
  .stat { padding: 0; }
  .stat-divider { display: none; }

  .closing-tags { justify-content: flex-start; }
}