/**
 * JF Meeting — Landing Page Styling
 * High-conversion, premium SaaS landing presentation
 */

.landing-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(9, 13, 22, 0.85);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1rem 0;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
}

.brand-icon {
  width: 2rem;
  height: 2rem;
  background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Hero Section */
.hero-section {
  padding: 6rem 0 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 350px;
  background: radial-gradient(circle, var(--primary-glow) 0%, rgba(6, 182, 212, 0.15) 50%, transparent 70%);
  filter: blur(80px);
  z-index: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 840px;
  margin: 0 auto;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.875rem;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-full);
  color: #a5b4fc;
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 3.75rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  background: linear-gradient(180deg, #ffffff 40%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 2.5rem;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

/* Hero Meeting Preview Card */
.hero-preview {
  position: relative;
  max-width: 980px;
  margin: 0 auto;
  border-radius: var(--radius-xl);
  padding: 0.5rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.02) 100%);
  box-shadow: var(--shadow-lg), 0 0 60px rgba(79, 70, 229, 0.2);
}

.hero-preview-inner {
  background: var(--bg-card);
  border-radius: calc(var(--radius-xl) - 4px);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  aspect-ratio: 16 / 9;
  display: flex;
  flex-direction: column;
}

/* Feature Grid */
.features-section {
  padding: 5rem 0;
  border-top: 1px solid var(--border-subtle);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3.5rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: #fff;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--trans-fast);
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.feature-icon-wrapper {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-md);
  background: rgba(79, 70, 229, 0.15);
  color: #818cf8;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.feature-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.5rem;
}

.feature-desc {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Architecture Comparison */
.arch-card {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.6) 0%, rgba(15, 23, 42, 0.8) 100%);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  margin-top: 3rem;
}

/* Footer */
.landing-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 3rem 0;
  background: rgba(11, 15, 23, 0.9);
}

@media (max-width: 768px) {
  .hero-title { font-size: 2.5rem; }
  .hero-subtitle { font-size: 1.05rem; }
  .hero-section { padding: 4rem 0 2.5rem; }
}