:root {
  --bg: #0a0a0f;
  --bg-alt: #111118;
  --fg: #e8e8ed;
  --fg-dim: #8888a0;
  --accent: #22ee88;
  --accent-dim: rgba(34, 238, 136, 0.12);
  --bad: #ff4466;
  --bad-dim: rgba(255, 68, 102, 0.1);
  --border: rgba(255,255,255,0.06);
  --radius: 12px;
  --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: flex;
  align-items: center;
  padding: 80px 48px;
  position: relative;
  overflow: hidden;
}

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

.hero-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  width: 100%;
}

.hero-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

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

.hero-sub {
  font-size: 1.1rem;
  color: var(--fg-dim);
  max-width: 440px;
  line-height: 1.7;
}

/* Terminal */
.terminal {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.terminal-title {
  font-family: var(--font-display);
  font-size: 0.75rem;
  color: var(--fg-dim);
  margin-left: 8px;
}

.terminal-body {
  padding: 20px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.82rem;
  line-height: 2;
}

.terminal-body .line { color: var(--fg); }
.terminal-body .line.dim { color: var(--fg-dim); }
.terminal-body .line.success { color: var(--accent); }
.terminal-body .prompt { color: var(--accent); margin-right: 8px; }
.terminal-body .cursor {
  animation: blink 1s step-end infinite;
  color: var(--accent);
}

@keyframes blink {
  50% { opacity: 0; }
}

/* ===== PROBLEM ===== */
.problem {
  padding: 120px 48px;
  background: var(--bg-alt);
}

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

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
  text-align: center;
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.problem-card {
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.problem-card.bad {
  background: var(--bad-dim);
  border-color: rgba(255, 68, 102, 0.2);
}

.problem-card.good {
  background: var(--accent-dim);
  border-color: rgba(34, 238, 136, 0.2);
}

.card-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-dim);
  margin-bottom: 16px;
}

.problem-card.bad .card-label { color: var(--bad); }
.problem-card.good .card-label { color: var(--accent); }

.stat {
  font-family: var(--font-display);
  font-size: 3.2rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 4px;
}

.problem-card.bad .stat { color: var(--bad); }
.problem-card.good .stat { color: var(--accent); }

.stat-label {
  font-size: 0.9rem;
  color: var(--fg-dim);
  margin-bottom: 20px;
}

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

/* ===== HOW ===== */
.how {
  padding: 120px 48px;
}

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

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 64px;
  text-align: center;
}

.steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.step {
  padding: 32px;
  border-left: 2px solid var(--border);
  transition: border-color 0.3s;
}

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

.step-num {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.step h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.step p {
  color: var(--fg-dim);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ===== NUMBERS ===== */
.numbers {
  padding: 100px 48px;
  background: var(--bg-alt);
}

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

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.number {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}

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

/* ===== CLOSING ===== */
.closing {
  padding: 140px 48px;
  text-align: center;
}

.closing-inner {
  max-width: 760px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.closing-sub {
  font-size: 1.05rem;
  color: var(--fg-dim);
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 48px;
  border-top: 1px solid var(--border);
}

.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: 1.1rem;
}

.footer-text {
  font-size: 0.85rem;
  color: var(--fg-dim);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero { padding: 60px 24px; min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .problem { padding: 80px 24px; }
  .problem-grid { grid-template-columns: 1fr; }
  .how { padding: 80px 24px; }
  .steps { grid-template-columns: 1fr; gap: 32px; }
  .numbers { padding: 80px 24px; }
  .numbers-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .closing { padding: 80px 24px; }
  .site-footer { padding: 32px 24px; }
  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
}