@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=DM+Sans:ital,wght@0,400;0,500;1,400&display=swap');

:root {
  --bg-deep: #0a0e1a;
  --bg-surface: #111827;
  --bg-card: #1a2235;
  --fg-primary: #e8ecf4;
  --fg-secondary: #8892a8;
  --fg-muted: #5a6478;
  --accent: #00d4aa;
  --accent-glow: rgba(0, 212, 170, 0.15);
  --accent-dim: #00a888;
  --signal-amber: #f59e0b;
  --signal-red: #ef4444;
  --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; }

html { scroll-behavior: smooth; }

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

/* ─── HERO ─── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), var(--accent-dim), var(--border), transparent);
}

.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 80px;
  align-items: center;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 28px;
}

.hero-tag::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(42px, 5.5vw, 72px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fg-primary);
  margin-bottom: 24px;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent);
}

.hero .lede {
  font-size: 19px;
  line-height: 1.6;
  color: var(--fg-secondary);
  max-width: 520px;
}

/* Hero visual — console display */
.hero-visual {
  position: relative;
}

.console-frame {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
}

.console-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid var(--border);
}

.console-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.console-dot:nth-child(1) { background: var(--signal-red); }
.console-dot:nth-child(2) { background: var(--signal-amber); }
.console-dot:nth-child(3) { background: var(--accent); }

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

.console-body {
  padding: 24px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 13px;
  line-height: 1.8;
  color: var(--fg-secondary);
}

.console-line {
  display: flex;
  gap: 12px;
  margin-bottom: 2px;
}

.console-line .prompt { color: var(--accent); }
.console-line .cmd { color: var(--fg-primary); }
.console-line .arg { color: var(--signal-amber); }
.console-line .ok { color: var(--accent); }
.console-line .dim { color: var(--fg-muted); }

/* ─── METRICS BAR ─── */
.metrics {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 56px 40px;
}

.metrics-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.metric {
  text-align: center;
}

.metric-value {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.metric-label {
  font-size: 14px;
  color: var(--fg-muted);
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}

/* ─── FEATURES ─── */
.features {
  padding: 120px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.features-header {
  max-width: 640px;
  margin-bottom: 72px;
}

.section-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.features-header p {
  font-size: 18px;
  color: var(--fg-secondary);
  line-height: 1.6;
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
  border-color: rgba(0, 212, 170, 0.2);
  box-shadow: 0 0 40px var(--accent-glow);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-glow);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 15px;
  color: var(--fg-secondary);
  line-height: 1.6;
}

/* ─── HOW IT WORKS ─── */
.how-it-works {
  padding: 100px 40px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.how-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.how-it-works h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 60px;
  text-align: center;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.step {
  position: relative;
  padding-left: 24px;
  border-left: 2px solid var(--border);
}

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

.step-number {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 16px;
}

.step h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}

.step p {
  font-size: 15px;
  color: var(--fg-secondary);
  line-height: 1.6;
}

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

.closing::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

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

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.closing p {
  font-size: 19px;
  color: var(--fg-secondary);
  line-height: 1.65;
}

/* ─── PAYMENT SUCCESS ─── */
.success-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
  position: relative;
}

.success-page::before {
  content: '';
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.success-inner {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
  position: relative;
}

.success-icon {
  width: 72px;
  height: 72px;
  background: var(--accent-glow);
  border: 2px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  color: var(--accent);
  margin: 0 auto 32px;
}

.success-inner h1 {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: var(--fg-primary);
}

.success-inner p {
  font-size: 18px;
  color: var(--fg-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.success-email {
  font-size: 15px;
  color: var(--fg-muted);
  margin-bottom: 40px;
}

.success-next {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: left;
  margin-bottom: 40px;
}

.success-next h2 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--fg-primary);
}

.success-next ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.success-next ul li {
  font-size: 15px;
  color: var(--fg-secondary);
  padding: 10px 0;
  padding-left: 28px;
  position: relative;
}

.success-next ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 14px;
}

.btn-home {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--fg-secondary);
  text-decoration: none;
  font-size: 15px;
  transition: border-color 0.2s, color 0.2s;
}

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

/* ─── FOOTER ─── */
footer {
  padding: 40px;
  border-top: 1px solid var(--border);
  text-align: center;
}

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

.footer-brand {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--fg-primary);
}

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

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
    padding: 0 24px;
  }

  .hero { padding: 100px 0 60px; min-height: auto; }

  .metrics-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  .features { padding: 80px 24px; }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .how-it-works { padding: 80px 24px; }
  .closing { padding: 80px 24px; }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
  }
}

@media (max-width: 480px) {
  .metrics-inner {
    grid-template-columns: 1fr;
  }

  .hero h1 { font-size: 36px; }
  .metric-value { font-size: 32px; }
}