/* Hero Section */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: calc(100vh - var(--nav-height));
  padding: var(--space-16) var(--space-6);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle at 30% 40%,
    var(--color-accent-glow) 0%,
    transparent 50%
  ),
  radial-gradient(
    circle at 70% 60%,
    rgba(108, 92, 231, 0.1) 0%,
    transparent 40%
  );
  animation: gradientShift 15s ease infinite;
  background-size: 200% 200%;
  z-index: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero-greeting {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent-primary);
  margin-bottom: var(--space-4);
  letter-spacing: 0.05em;
}

.hero h1 {
  margin-bottom: var(--space-6);
}

.hero-subtitle {
  font-size: var(--text-2xl);
  color: var(--color-text-secondary);
  min-height: 2.4em;
  margin-bottom: var(--space-8);
}

.typing-cursor {
  display: inline-block;
  width: 3px;
  height: 1em;
  background: var(--color-accent-primary);
  margin-left: 2px;
  animation: blink 1s infinite;
  vertical-align: text-bottom;
}

.hero-cta {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-text-tertiary);
  animation: float 2s ease-in-out infinite;
  z-index: 1;
}

@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* Content Grid */
.content-grid {
  padding: var(--space-16) 0 var(--space-24);
}

.content-grid .section-header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.content-grid .section-header p {
  margin: 0 auto;
}

.section-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-6);
}

.section-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-6);
  text-decoration: none;
}

.section-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-accent-glow);
  color: var(--color-accent-primary);
  flex-shrink: 0;
}

.section-card-icon svg {
  width: 24px;
  height: 24px;
}

.section-card-content h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}

.section-card-content p {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
}

.section-card-arrow {
  margin-left: auto;
  color: var(--color-text-tertiary);
  transition: transform var(--transition-fast), color var(--transition-fast);
  flex-shrink: 0;
  align-self: center;
}

.section-card:hover .section-card-arrow {
  transform: translateX(4px);
  color: var(--color-accent-primary);
}

@media (max-width: 768px) {
  .hero {
    min-height: calc(80vh - var(--nav-height));
    padding: var(--space-12) var(--space-4);
  }

  .hero-subtitle {
    font-size: var(--text-xl);
  }

  .section-cards {
    grid-template-columns: 1fr;
  }
}