:root {
  --bg: #0a0a0f;
  --bg-surface: #12121a;
  --bg-card: #181824;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --accent: #00e5a0;
  --accent-dim: rgba(0, 229, 160, 0.12);
  --accent-glow: rgba(0, 229, 160, 0.25);
  --red: #ff5f56;
  --yellow: #ffbd2e;
  --green: #27c93f;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-w: 1140px;
  --radius: 12px;
}

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

html { scroll-behavior: smooth; }

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

/* ─── HERO ─── */
.hero {
  padding: 100px 40px 80px;
  background: linear-gradient(170deg, #0a0a0f 0%, #0f1a15 50%, #0a0a0f 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-tag {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--accent);
  margin-bottom: 24px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4.5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -1.5px;
  color: #fff;
  margin-bottom: 28px;
}

.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 480px;
}

/* Terminal */
.hero-terminal {
  background: var(--bg-surface);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5), 0 0 60px var(--accent-dim);
}

.terminal-bar {
  background: rgba(255,255,255,0.04);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.dot.red { background: var(--red); }
.dot.yellow { background: var(--yellow); }
.dot.green { background: var(--green); }

.terminal-title {
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--fg-muted);
  margin-left: 8px;
}

.terminal-body {
  padding: 24px;
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 13.5px;
  line-height: 2;
}

.t-line { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.t-prompt { color: var(--accent); font-weight: 600; }
.t-cmd { color: #fff; }
.t-output { color: var(--fg-muted); }
.t-suggestion { color: var(--yellow); padding-left: 12px; }
.t-success { color: var(--accent); margin-top: 4px; }

/* ─── HOW ─── */
.how {
  padding: 100px 40px;
  background: var(--bg);
}

.how-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--accent);
  margin-bottom: 16px;
}

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -1px;
  color: #fff;
  margin-bottom: 56px;
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.how-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.how-card:hover {
  border-color: rgba(0, 229, 160, 0.2);
  box-shadow: 0 0 40px var(--accent-dim);
}

.how-num {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 20px;
  opacity: 0.7;
}

.how-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 12px;
}

.how-card p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ─── FEATURES ─── */
.features {
  padding: 100px 40px;
  background: var(--bg-surface);
}

.features-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}

.feature-row {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 80px;
  align-items: center;
}

.feature-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.8px;
  color: #fff;
  margin-bottom: 24px;
  line-height: 1.2;
}

.feature-text p {
  color: var(--fg-muted);
  margin-bottom: 16px;
  font-size: 16px;
}

.feature-text p:last-child {
  color: var(--fg);
  font-weight: 500;
}

.feature-stats {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.stat {
  display: flex;
  flex-direction: column;
  padding: 28px 32px;
  background: var(--bg-card);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-family: var(--font-display);
  font-weight: 500;
}

/* ─── CLOSING ─── */
.closing {
  padding: 120px 40px;
  background: linear-gradient(170deg, #0a0a0f 0%, #0f1a15 100%);
  text-align: center;
  position: relative;
}

.closing::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 400px;
  background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: -1.2px;
  color: #fff;
  margin-bottom: 24px;
  line-height: 1.15;
}

.closing-text {
  font-size: 18px;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ─── FOOTER ─── */
.site-footer {
  padding: 40px;
  background: var(--bg);
  border-top: 1px solid rgba(255,255,255,0.04);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--fg);
}

.footer-sep {
  color: var(--fg-muted);
  opacity: 0.4;
}

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

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero { padding: 80px 24px 60px; }
  .how-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .feature-row {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 600px) {
  .hero { padding: 60px 20px 48px; }
  .how, .features, .closing { padding: 64px 20px; }
  .how-grid {
    grid-template-columns: 1fr;
  }
  .terminal-body { font-size: 11.5px; padding: 16px; }
  .t-line { white-space: normal; }
  .feature-stats { gap: 16px; }
  .stat { padding: 20px 24px; }
  .stat-num { font-size: 28px; }
  .footer-inner { flex-direction: column; gap: 4px; }
}