/* ============================================================
   HOME PAGE STYLES
   ============================================================ */

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--space-12);
  max-width: var(--container-max);
  margin: 0 auto;
  padding: calc(var(--nav-height) + var(--space-16)) var(--space-6) var(--space-16);
  overflow: hidden;
}

.hero__bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(49,120,198,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(49,120,198,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  pointer-events: none;
}

.hero__container {
  z-index: 1;
  max-width: 560px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-beginner);
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero__title {
  font-size: clamp(var(--text-4xl), 5vw, var(--text-7xl));
  font-weight: 800;
  line-height: 1.05;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}

.hero__title-highlight {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-10);
  max-width: 480px;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-12);
  flex-wrap: wrap;
}

.hero__stats {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.hero__stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero__stat-number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-text);
}

.hero__stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-mono);
}

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

.hero__code-preview {
  z-index: 1;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-12px); }
}

/* --- Why Section --- */
.why__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.why__card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.why__card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-accent-dim), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.why__card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.why__card:hover::before {
  opacity: 1;
}

.why__card-icon {
  font-size: 1.8rem;
  margin-bottom: var(--space-4);
}

.why__card-title {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  font-family: var(--font-display);
}

.why__card-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --- Roadmap Section --- */
.roadmap {
  background: var(--color-bg-secondary);
}

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

.roadmap__level {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  position: relative;
  transition: all var(--transition-base);
}

.roadmap__level:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
}

.roadmap__level--beginner     { border-left: 3px solid var(--color-beginner); }
.roadmap__level--intermediate { border-left: 3px solid var(--color-intermediate); }
.roadmap__level--advanced     { border-left: 3px solid var(--color-advanced); }

.roadmap__level-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.roadmap__level-badge {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--color-text-subtle);
  min-width: 52px;
}

.roadmap__level--beginner     .roadmap__level-badge { color: var(--color-beginner); }
.roadmap__level--intermediate .roadmap__level-badge { color: var(--color-intermediate); }
.roadmap__level--advanced     .roadmap__level-badge { color: var(--color-advanced); }

.roadmap__level-title {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
}

.roadmap__level-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
}

.roadmap__topics {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.roadmap__topic {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.roadmap__topic-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--color-border-hover);
  flex-shrink: 0;
}

.roadmap__level--beginner     .roadmap__topic-dot { background: var(--color-beginner); }
.roadmap__level--intermediate .roadmap__topic-dot { background: var(--color-intermediate); }
.roadmap__level--advanced     .roadmap__topic-dot { background: var(--color-advanced); }

.roadmap__cta {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent-light);
  text-decoration: none;
  font-family: var(--font-mono);
  transition: color var(--transition-fast);
}

.roadmap__cta:hover {
  color: var(--color-text);
}

.roadmap__connector {
  display: flex;
  justify-content: center;
  padding: var(--space-2) 0;
  color: var(--color-text-subtle);
}

.roadmap__connector svg {
  width: 24px;
  height: 50px;
}

/* --- CTA Section --- */
.cta-section {
  padding-bottom: var(--space-24);
}

.cta-card {
  position: relative;
  background: var(--color-bg-card);
  border: 1px solid var(--color-code-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-16);
  text-align: center;
  overflow: hidden;
}

.cta-card__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 400px;
  height: 200px;
  background: radial-gradient(ellipse, var(--color-accent-glow), transparent 70%);
  pointer-events: none;
}

.cta-card__title {
  font-size: var(--text-4xl);
  font-weight: 800;
  margin-bottom: var(--space-4);
  position: relative;
}

.cta-card__text {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}

.cta-card .btn {
  position: relative;
}

/* --- Responsive --- */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-bottom: var(--space-12);
    text-align: center;
  }

  .hero__container {
    max-width: 100%;
  }

  .hero__subtitle {
    max-width: 100%;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__stats {
    justify-content: center;
  }

  .hero__code-preview {
    display: none;
  }

  .why__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .why__grid {
    grid-template-columns: 1fr;
  }

  .cta-card {
    padding: var(--space-10) var(--space-6);
  }

  .cta-card__title {
    font-size: var(--text-3xl);
  }
}