:root {
  --bg: #ffffff;
  --bg-surface: #f5f5f5;
  --bg-elevated: #ebebeb;
  --fg: #111111;
  --fg-muted: #555555;
  --fg-dim: #888888;
  --accent: #000000;
  --accent-hover: #333333;
  --border: #e0e0e0;
  --border-strong: #cccccc;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* { 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;
}

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px 60px;
  background: #ffffff;
}

.hero-inner {
  max-width: 820px;
  width: 100%;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 2px;
  color: var(--fg);
  background: #f0f0f0;
  border: 1px solid #e0e0e0;
  padding: 6px 14px;
  border-radius: 4px;
  margin-bottom: 28px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: #111111;
  margin-bottom: 24px;
}

.hero h1 .accent {
  color: #444444;
}

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 600px;
  margin-bottom: 48px;
  line-height: 1.7;
}

/* Terminal */
.terminal {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.08);
}

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

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #d0d0d0;
}

.terminal-title {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg-dim);
  margin-left: 8px;
}

.terminal-body {
  padding: 20px 24px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.9;
}

.line { color: var(--fg); }
.line .prompt { color: #333333; margin-right: 8px; }
.line.output { color: var(--fg-muted); }
.line .success { color: #222222; }
.line .dim { color: var(--fg-dim); }

/* ---- HOW ---- */
.how {
  padding: 120px 24px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
}

.how-inner {
  max-width: 960px;
  margin: 0 auto;
}

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 600;
  color: #111111;
  margin-bottom: 60px;
  letter-spacing: -0.01em;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.step-number {
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 700;
  color: #cccccc;
  line-height: 1;
  margin-bottom: 16px;
}

.step h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: #111111;
  margin-bottom: 10px;
}

.step p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ---- PROOF ---- */
.proof {
  padding: 120px 24px;
  background: #ffffff;
}

.proof-inner {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.proof-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 600;
  color: #111111;
  margin-bottom: 24px;
}

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

.proof-text strong {
  color: #333333;
}

.proof-numbers {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.number-block {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px 28px;
}

.big-number {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: #111111;
  line-height: 1;
  margin-bottom: 6px;
}

.number-label {
  font-size: 0.9rem;
  color: var(--fg-dim);
}

/* ---- FEATURES ---- */
.features {
  padding: 120px 24px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
}

.features-inner {
  max-width: 960px;
  margin: 0 auto;
}

.features h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 600;
  color: #111111;
  margin-bottom: 60px;
}

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

.feature-card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: #999999;
}

.feature-icon {
  font-size: 28px;
  margin-bottom: 16px;
  filter: grayscale(0.2);
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: #111111;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ---- CLOSING ---- */
.closing {
  padding: 140px 24px;
  text-align: center;
  background: #ffffff;
}

.closing-inner {
  max-width: 680px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: #111111;
  margin-bottom: 24px;
  line-height: 1.2;
}

.closing-text {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.75;
}

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

.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
}

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

.footer-note a {
  color: #333333;
  text-decoration: none;
}

.footer-note a:hover { text-decoration: underline; }

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .hero { padding: 60px 20px 40px; min-height: auto; }
  .steps { grid-template-columns: 1fr; gap: 36px; }
  .proof-inner { grid-template-columns: 1fr; gap: 40px; }
  .feature-grid { grid-template-columns: 1fr; }
  .how, .proof, .features { padding: 80px 20px; }
  .closing { padding: 100px 20px; }
  .terminal-body { font-size: 12px; padding: 16px; overflow-x: auto; }
  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
}