/* === BASE === */
:root {
  --bg: #09090e;
  --surface: #111118;
  --surface-2: #1a1a24;
  --border: rgba(255,255,255,0.08);
  --text: #e8e8ed;
  --text-muted: #8888a0;
  --accent: #4f6ef7;
  --accent-glow: rgba(79, 110, 247, 0.25);
  --green: #34d399;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* === NAV === */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--text);
}

.brand-mark {
  font-size: 20px;
  color: var(--accent);
}

.nav-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* === HERO === */
.hero {
  padding: 120px 48px 80px;
  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 32px;
  background: var(--surface);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.hero-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 800;
  line-height: 1.08;
  color: var(--text);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, #7b8cff 0%, #4f6ef7 50%, #34d399 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-lede {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 580px;
  line-height: 1.7;
  margin-bottom: 40px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  color: var(--text-muted);
  background: var(--surface);
}

/* === FEATURES === */
.features {
  padding: 80px 48px;
  border-top: 1px solid var(--border);
}

.features-header {
  max-width: 600px;
  margin-bottom: 56px;
}

.features-header h2 {
  font-family: 'Syne', sans-serif;
  font-size: 36px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}

.features-header p {
  font-size: 16px;
  color: var(--text-muted);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  max-width: 1100px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  border-color: rgba(79, 110, 247, 0.3);
  box-shadow: 0 0 40px rgba(79, 110, 247, 0.08);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
}

.feature-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* === HOW IT WORKS === */
.how-it-works {
  padding: 80px 48px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.how-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(79, 110, 247, 0.3);
  padding: 4px 12px;
  border-radius: 100px;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.how-content h2 {
  font-family: 'Syne', sans-serif;
  font-size: 36px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
  max-width: 500px;
}

.how-content > p {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 48px;
  line-height: 1.7;
}

.how-steps {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

.step {
  display: flex;
  gap: 16px;
  flex: 1;
  min-width: 200px;
}

.step-num {
  font-family: 'Syne', sans-serif;
  font-size: 28px;
  font-weight: 800;
  color: var(--border);
  line-height: 1;
  flex-shrink: 0;
}

.step-body h4 {
  font-family: 'Syne', sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.step-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* === VISION === */
.vision {
  padding: 100px 48px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.vision-content {
  max-width: 700px;
  margin: 0 auto;
}

.vision-statement {
  font-family: 'Syne', sans-serif;
  font-size: clamp(24px, 4vw, 40px);
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 24px;
  font-style: normal;
}

.vision-sub {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* === FOOTER === */
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 48px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 15px;
  color: var(--text-muted);
}

.footer-meta {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-meta strong {
  color: var(--text);
}

.separator { color: var(--border); }

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .nav { padding: 16px 24px; }
  .hero { padding: 80px 24px 60px; }
  .features { padding: 60px 24px; }
  .how-it-works { padding: 60px 24px; }
  .vision { padding: 80px 24px; }
  .footer { padding: 20px 24px; flex-direction: column; gap: 12px; }
  .how-steps { flex-direction: column; gap: 24px; }
  .hero-tags { gap: 8px; }
}

/* === BACKGROUND ATMOSPHERE === */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 0%, rgba(79, 110, 247, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(52, 211, 153, 0.05) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.hero, .features, .how-it-works, .vision, .footer, .nav {
  position: relative;
  z-index: 1;
}