:root {
  --bg: #0a0a0a;
  --fg: #f0f0f0;
  --fg-muted: #888;
  --accent: #00ff88;
  --accent-dim: rgba(0, 255, 136, 0.1);
  --card-bg: #141414;
  --card-border: #222;
  --font-main: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* NAV */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--fg);
}

.nav-tag {
  font-size: 0.8rem;
  color: var(--fg-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* HERO */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
}

.hero-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 0 40px 80px;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 3px;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 560px;
  margin-bottom: 48px;
  line-height: 1.7;
}

.url-demo { width: 100%; max-width: 600px; }

.url-bar {
  display: flex;
  align-items: center;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 16px 20px;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.url-icon { color: var(--accent); font-size: 0.75rem; }

.url-text {
  flex: 1;
  color: var(--fg-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.url-action {
  color: var(--bg);
  background: var(--accent);
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 1.5px;
}

/* SECTION LABEL */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 3px;
  color: var(--fg-muted);
  text-align: center;
  margin-bottom: 48px;
}

/* PLATFORMS */
.platforms {
  padding: 100px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.platform-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 32px;
  transition: border-color 0.2s;
}

.platform-card:hover { border-color: var(--accent); }

.platform-icon {
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 16px;
}

.platform-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.platform-card p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* HOW IT WORKS */
.how {
  padding: 100px 40px;
  max-width: 800px;
  margin: 0 auto;
}

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

.step {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  padding: 40px 0;
  border-bottom: 1px solid var(--card-border);
}

.step:last-child { border-bottom: none; }

.step-num {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  min-width: 80px;
}

.step-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-content p {
  color: var(--fg-muted);
  font-size: 0.95rem;
}

/* FEATURES */
.features {
  padding: 100px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.features-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.features-left h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1px;
}

.features-desc {
  color: var(--fg-muted);
  margin-top: 20px;
  font-size: 1rem;
  line-height: 1.7;
}

.features-right {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.feature-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  margin-top: 8px;
  flex-shrink: 0;
}

.feature-item h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.feature-item p {
  color: var(--fg-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* CLOSING */
.closing {
  padding: 120px 40px;
  text-align: center;
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
}

.closing p {
  color: var(--fg-muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

/* FOOTER */
.site-footer {
  padding: 40px;
  border-top: 1px solid var(--card-border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
}

.footer-note {
  color: var(--fg-muted);
  font-size: 0.8rem;
  max-width: 400px;
  text-align: right;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav { padding: 20px 24px; }
  .nav-tag { display: none; }
  .hero-content { padding: 0 24px 60px; }
  .hero h1 { letter-spacing: -1px; }

  .platforms { padding: 60px 24px; }
  .platform-grid { grid-template-columns: 1fr; gap: 12px; }
  .platform-card { padding: 24px; }

  .how { padding: 60px 24px; }
  .step { gap: 20px; }
  .step-num { font-size: 2rem; min-width: 50px; }

  .features { padding: 60px 24px; }
  .features-split { grid-template-columns: 1fr; gap: 40px; }

  .closing { padding: 80px 24px; }

  .site-footer { padding: 30px 24px; }
  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
  .footer-note { text-align: center; }

  .url-bar { padding: 12px 14px; }
  .url-action { padding: 6px 14px; }
}