:root {
  --bg: #050507;
  --bg-subtle: #0a0a0f;
  --bg-card: #0d0d14;
  --fg: #e8e8ed;
  --fg-muted: #7a7a8e;
  --fg-dim: #4a4a5e;
  --accent-blue: #4d7cff;
  --accent-purple: #8b5cf6;
  --accent-glow: rgba(77, 124, 255, 0.15);
  --gradient: linear-gradient(135deg, #4d7cff 0%, #8b5cf6 50%, #c74dff 100%);
  --gradient-text: linear-gradient(135deg, #6d9bff 0%, #a78bfa 50%, #d77bff 100%);
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --radius: 16px;
  --radius-sm: 10px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Plus Jakarta 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: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ═══ SITE NAV ═══ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(5, 5, 7, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.site-nav-inner {
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-nav-logo {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.btn-nav-cta {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--fg-muted);
  text-decoration: none;
  padding: 8px 18px;
  border: 1px solid var(--border-hover);
  border-radius: 100px;
  transition: color 0.2s, border-color 0.2s;
}

.btn-nav-cta:hover {
  color: var(--fg);
  border-color: var(--accent-blue);
}

/* ═══ CTA BUTTON ═══ */
.hero-ctas {
  margin-bottom: 40px;
}

.btn-primary {
  display: inline-block;
  padding: 16px 36px;
  background: var(--gradient);
  border-radius: 12px;
  color: #fff;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.2px;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.2s;
  box-shadow: 0 8px 32px rgba(77, 124, 255, 0.25);
}

.btn-primary:hover {
  opacity: 0.88;
  transform: translateY(-2px);
}

/* ═══ HERO ═══ */
.hero {
  position: relative;
  padding: 140px 0 100px;
  text-align: center;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(77, 124, 255, 0.12) 0%, rgba(139, 92, 246, 0.06) 40%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 0%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 0%, black 20%, transparent 70%);
}

.badge {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid var(--border-hover);
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-blue);
  letter-spacing: 0.5px;
  margin-bottom: 32px;
  background: rgba(77, 124, 255, 0.05);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(40px, 7vw, 72px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lede {
  font-size: clamp(17px, 2.2vw, 20px);
  color: var(--fg-muted);
  max-width: 560px;
  margin: 0 auto 48px;
  line-height: 1.6;
}

.hero-stats {
  display: inline-flex;
  align-items: center;
  gap: 32px;
  padding: 20px 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 13px;
  color: var(--fg-dim);
  letter-spacing: 0.3px;
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* ═══ PROOF ═══ */
.proof {
  padding: 80px 0;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.proof-card {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.3s;
}

.proof-card:hover {
  border-color: var(--border-hover);
}

.proof-icon {
  font-size: 24px;
  margin-bottom: 16px;
  opacity: 0.8;
}

.proof-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.proof-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ═══ FEATURES ═══ */
.features {
  padding: 100px 0;
}

.section-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-purple);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.features h2, .how h2, .closing h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-card {
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.3s, transform 0.3s;
}

.feature-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.feature-large {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  padding: 40px;
  background: linear-gradient(135deg, rgba(77, 124, 255, 0.04) 0%, rgba(139, 92, 246, 0.04) 100%);
  border-color: rgba(77, 124, 255, 0.1);
}

.feature-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  background: rgba(139, 92, 246, 0.1);
  color: var(--accent-purple);
  margin-bottom: 14px;
}

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

.feature-card p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.65;
}

.feature-preview {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-self: center;
}

.preview-line {
  padding: 14px 18px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--fg);
  font-style: italic;
  line-height: 1.5;
}

.preview-line::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--accent-blue);
  border-radius: 50%;
  margin-right: 10px;
  vertical-align: middle;
  box-shadow: 0 0 8px var(--accent-blue);
}

/* ═══ HOW ═══ */
.how {
  padding: 100px 0;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 640px;
}

.step {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  padding: 28px 0;
}

.step-number {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  min-width: 70px;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

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

.step-line {
  width: 1px;
  height: 32px;
  background: linear-gradient(to bottom, var(--accent-blue), var(--accent-purple));
  margin-left: 35px;
  opacity: 0.3;
}

/* ═══ CLOSING ═══ */
.closing {
  position: relative;
  padding: 120px 0;
  text-align: center;
  overflow: hidden;
}

.closing-glow {
  position: absolute;
  bottom: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(139, 92, 246, 0.1) 0%, transparent 60%);
  pointer-events: none;
}

.closing-text {
  font-size: clamp(16px, 2vw, 18px);
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.closing-features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.closing-tag {
  padding: 8px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-muted);
  transition: border-color 0.3s, color 0.3s;
}

.closing-tag:hover {
  border-color: var(--accent-blue);
  color: var(--fg);
}

/* ═══ FOOTER ═══ */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-brand p {
  font-size: 13px;
  color: var(--fg-dim);
  margin-top: 4px;
}

.footer-links {
  font-size: 13px;
  color: var(--fg-dim);
}

/* ═══ RESPONSIVE ═══ */
@media (max-width: 768px) {
  .hero { padding: 100px 0 60px; }

  .hero-stats {
    flex-direction: column;
    gap: 16px;
    padding: 20px 28px;
  }

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

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

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

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

  .step {
    gap: 16px;
  }

  .step-number {
    font-size: 36px;
    min-width: 50px;
  }

  .footer-content {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 32px;
  }

  .features h2, .how h2, .closing h2 {
    font-size: 28px;
  }

  .closing-features {
    gap: 8px;
  }

  .closing-tag {
    font-size: 12px;
    padding: 6px 14px;
  }
}