:root {
  --bg: #0a0a0c;
  --bg-elevated: #141418;
  --bg-card: #1a1a20;
  --fg: #e8e6e3;
  --fg-muted: #8a8889;
  --accent: #f59e0b;
  --accent-soft: rgba(245, 158, 11, 0.12);
  --accent-glow: rgba(245, 158, 11, 0.25);
  --border: rgba(255, 255, 255, 0.06);
  --radius: 16px;
  --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);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* === HERO === */
.hero {
  min-height: 85vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 80px 24px 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 65%);
  pointer-events: none;
  opacity: 0.4;
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  border-radius: 100px;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 32px;
  position: relative;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(42px, 7vw, 80px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  position: relative;
}

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

.hero .lede {
  font-size: clamp(17px, 2.2vw, 20px);
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.65;
  position: relative;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-top: 56px;
  padding: 28px 48px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 13px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* === FEATURES === */
.features {
  padding: 100px 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.features-header {
  text-align: center;
  margin-bottom: 64px;
}

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.features-sub {
  color: var(--fg-muted);
  font-size: 18px;
  max-width: 580px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
  transition: border-color 0.2s ease;
}

.feature-card:hover {
  border-color: rgba(245, 158, 11, 0.2);
}

.feature-card-large {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(245, 158, 11, 0.04) 100%);
}

.feature-icon {
  font-size: 28px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

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

/* === HOW === */
.how {
  padding: 100px 24px;
  max-width: 800px;
  margin: 0 auto;
}

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
  text-align: center;
}

.how-steps {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.how-step {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.step-number {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.3;
  line-height: 1;
  min-width: 72px;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.step-content p {
  color: var(--fg-muted);
  font-size: 16px;
  line-height: 1.6;
}

/* === CLOSING === */
.closing {
  padding: 120px 24px;
  text-align: center;
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  bottom: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 65%);
  pointer-events: none;
  opacity: 0.25;
}

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

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4.5vw, 48px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.closing p {
  color: var(--fg-muted);
  font-size: 18px;
  line-height: 1.65;
}

/* === FOOTER === */
.site-footer {
  padding: 48px 24px;
  text-align: center;
  border-top: 1px solid var(--border);
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
}

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

/* === MOBILE === */
@media (max-width: 768px) {
  .hero {
    min-height: 75vh;
    padding: 60px 20px 40px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 20px;
    padding: 24px 32px;
  }

  .stat-divider {
    width: 40px;
    height: 1px;
  }

  .features {
    padding: 60px 20px;
  }

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

  .feature-card-large {
    grid-column: span 1;
  }

  .how {
    padding: 60px 20px;
  }

  .how-step {
    flex-direction: column;
    gap: 12px;
  }

  .step-number {
    font-size: 36px;
    min-width: auto;
  }

  .closing {
    padding: 80px 20px;
  }
}

/* === SUBSCRIBE SECTION === */
.subscribe-section {
  padding: 100px 24px;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
}

.subscribe-inner {
  max-width: 560px;
  margin: 0 auto;
}

.subscribe-header {
  text-align: center;
  margin-bottom: 48px;
}

.subscribe-header h2 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.subscribe-sub {
  color: var(--fg-muted);
  font-size: 17px;
  line-height: 1.6;
}

/* Form */
.subscribe-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.form-row {
  margin-bottom: 16px;
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--fg-muted);
  margin-bottom: 10px;
}

.form-input {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  outline: none;
  transition: border-color 0.2s;
}

.form-input:focus {
  border-color: var(--accent);
}

.form-select {
  cursor: pointer;
}

/* Chip groups */
.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 8px 16px;
  color: var(--fg-muted);
  font-family: var(--font-body);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s;
}

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

.chip.active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}

/* Buttons */
.form-next-btn {
  width: 100%;
  background: var(--accent);
  color: #0a0a0c;
  border: none;
  border-radius: 12px;
  padding: 16px 24px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s;
  margin-top: 8px;
}

.form-next-btn:hover { opacity: 0.9; }

.form-submit-btn {
  width: 100%;
  background: var(--accent);
  color: #0a0a0c;
  border: none;
  border-radius: 12px;
  padding: 16px 24px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.2s;
  margin-top: 8px;
}

.form-submit-btn:hover { opacity: 0.9; }

.form-fine-print {
  text-align: center;
  font-size: 13px;
  color: var(--fg-muted);
  margin-top: 12px;
}

.form-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 8px;
  padding: 12px 16px;
  color: #ef4444;
  font-size: 14px;
  margin-top: 12px;
}

/* Success state */
.subscribe-success {
  text-align: center;
  background: var(--bg-card);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: var(--radius);
  padding: 48px 32px;
}

.success-icon { font-size: 48px; margin-bottom: 16px; }

.subscribe-success h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
}

.subscribe-success p {
  color: var(--fg-muted);
  font-size: 16px;
}

@media (max-width: 600px) {
  .subscribe-section { padding: 60px 20px; }
  .subscribe-form { padding: 24px 20px; }
}