:root {
  --bg: #0a0a0c;
  --bg-elevated: #111114;
  --bg-card: #161619;
  --fg: #e8e6e3;
  --fg-muted: #8a8785;
  --fg-dim: #5a5856;
  --accent: #d4a853;
  --accent-glow: rgba(212, 168, 83, 0.15);
  --accent-bright: #edc46e;
  --border: rgba(255,255,255,0.06);
  --radius: 12px;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

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

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 80px;
  text-align: center;
  overflow: hidden;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--accent);
  border: 1px solid rgba(212, 168, 83, 0.3);
  padding: 6px 18px;
  border-radius: 40px;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

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

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.7;
}

.hero-cta {
  margin-top: 36px;
}

.btn-primary {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--bg);
  background: var(--accent);
  border: none;
  border-radius: 40px;
  padding: 14px 32px;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
}

.btn-primary:hover {
  background: var(--accent-bright);
  transform: translateY(-1px);
}

.hero-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  pointer-events: none;
}

/* --- Problem --- */
.problem {
  padding: 100px 24px;
  background: var(--bg);
}

.problem-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.problem-label,
.features-label,
.network-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.problem h2,
.features h2,
.network h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: 48px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
}

.problem-number {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 12px;
}

.problem-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* --- Features --- */
.features {
  padding: 100px 24px;
  background: var(--bg-elevated);
}

.features-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: border-color 0.2s;
}

.feature-item:hover {
  border-color: rgba(212, 168, 83, 0.25);
}

.feature-icon {
  font-size: 1.6rem;
  color: var(--accent);
  margin-bottom: 16px;
}

.feature-item h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-item p {
  color: var(--fg-muted);
  font-size: 0.93rem;
  line-height: 1.6;
}

/* --- Network --- */
.network {
  padding: 100px 24px;
  background: var(--bg);
}

.network-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.network-columns {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: start;
}

.network-col p {
  color: var(--fg-muted);
  margin-bottom: 16px;
  line-height: 1.7;
}

.network-big {
  font-size: 1.1rem;
  color: var(--fg) !important;
  font-weight: 500;
}

.network-stat {
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}

.network-stat:last-child {
  border-bottom: none;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
}

.stat-label {
  color: var(--fg-muted);
  font-size: 0.9rem;
  margin-top: 4px;
}

/* --- Closing --- */
.closing {
  padding: 120px 24px;
  text-align: center;
  background: var(--bg-elevated);
  position: relative;
}

.closing-inner {
  max-width: 750px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 24px;
}

.closing-sub {
  color: var(--fg-muted);
  font-size: 1.05rem;
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.7;
}

/* --- Footer --- */
.site-footer {
  padding: 40px 24px;
  border-top: 1px solid var(--border);
  background: var(--bg);
}

.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--accent);
  letter-spacing: 1px;
}

.footer-note {
  color: var(--fg-dim);
  font-size: 0.82rem;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
  }

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

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

  .hero {
    min-height: 70vh;
    padding: 80px 20px 60px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 15px;
  }

  .problem-card,
  .feature-item {
    padding: 28px 20px;
  }
}