:root {
  --bg: #0a0a0f;
  --bg-subtle: #111118;
  --bg-card: #16161f;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --fg-dim: #555568;
  --accent: #00e599;
  --accent-dim: #00e59933;
  --red: #ff4d4d;
  --yellow: #ffc554;
  --blue: #5599ff;
  --border: #222233;
  --font-display: 'Space Grotesk', 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);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  padding: 6rem 5vw 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-dim) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-block;
  padding: 0.35rem 1rem;
  border: 1px solid var(--accent);
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 2rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero h1 .accent {
  color: var(--accent);
}

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 480px;
  line-height: 1.7;
}

/* Terminal */
.terminal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: var(--bg-subtle);
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot.red { background: var(--red); }
.dot.yellow { background: var(--yellow); }
.dot.green { background: var(--accent); }

.terminal-title {
  margin-left: auto;
  font-family: var(--font-display);
  font-size: 0.75rem;
  color: var(--fg-dim);
  letter-spacing: 0.05em;
}

.terminal-body {
  padding: 1.5rem;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.85rem;
  line-height: 2.2;
}

.terminal-line .t-green { color: var(--accent); }
.terminal-line .t-yellow { color: var(--yellow); }
.terminal-line .t-blue { color: var(--blue); }
.terminal-line .t-dim { color: var(--fg-dim); }
.terminal-line.fade { opacity: 0.5; }

/* ---- PROBLEM ---- */
.problem {
  padding: 8rem 5vw;
  background: var(--bg-subtle);
}

.problem-container {
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 3rem;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.problem-card {
  padding: 2rem;
  border-left: 2px solid var(--border);
  transition: border-color 0.3s;
}

.problem-card:hover {
  border-left-color: var(--red);
}

.problem-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--fg-dim);
  margin-bottom: 1rem;
  line-height: 1;
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--fg);
}

.problem-card p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ---- FEATURES ---- */
.features {
  padding: 8rem 5vw;
}

.features-container {
  max-width: 1100px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

.feature-block {
  padding: 2.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.3s;
}

.feature-block:hover {
  border-color: var(--accent);
}

.feature-icon {
  color: var(--accent);
  font-size: 1.4rem;
  margin-bottom: 1.2rem;
}

.feature-block h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.feature-block p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ---- METRICS ---- */
.metrics {
  padding: 6rem 5vw;
  background: var(--bg-subtle);
}

.metrics-container {
  max-width: 1100px;
  margin: 0 auto;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-top: 1rem;
}

.metric {
  text-align: center;
  padding: 2.5rem 1rem;
}

.metric-value {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.75rem;
}

.metric-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* ---- CLOSING ---- */
.closing {
  padding: 8rem 5vw;
  text-align: center;
}

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

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.closing p {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.closing-accent {
  color: var(--accent) !important;
  font-weight: 500;
}

/* ---- FOOTER ---- */
.site-footer {
  padding: 3rem 5vw;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--fg-dim);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 4rem 5vw;
    gap: 3rem;
  }
  .hero-visual { order: -1; }
  .problem-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 500px) {
  .metrics-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2rem; }
  .terminal-body { font-size: 0.75rem; }
}