/* ============================================
   Layout - Navigation
   ============================================ */

nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: background var(--transition-base);
}

nav.scrolled {
    background: rgba(10, 10, 15, 0.95);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 42px;
    height: 42px;
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.logo-text span {
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-base);
    position: relative;
}

.nav-links a:hover {
    color: var(--text-primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transition: width var(--transition-base);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    display: flex;
    gap: var(--spacing-sm);
}


/* ============================================
   Layout - Hero Section
   ============================================ */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px var(--spacing-lg) var(--spacing-3xl);
}

.hero-content {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-text {
    animation: slideUp 1s ease-out;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    letter-spacing: -2px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 500px;
}

.hero-ctas {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.hero-visual {
    animation: slideUp 1s ease-out 0.2s both;
}

.hero-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-lg);
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.hero-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
}

.hero-plane-svg {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    display: block;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.stat-item {
    text-align: center;
}

.stat-value {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}


/* ============================================
   Layout - Section Header (Shared)
   ============================================ */

.section-header {
    max-width: var(--max-width);
    margin: 0 auto var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
}


/* ============================================
   Layout - Stats Section
   ============================================ */

.stats-section {
    padding: var(--spacing-2xl) var(--spacing-lg);
    background: linear-gradient(180deg, transparent, rgba(255, 99, 0, 0.02), transparent);
}

.stats-grid {
    max-width: var(--max-width-sm);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}


/* ============================================
   Layout - Map Section
   ============================================ */

.map-section {
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.map-container {
    max-width: var(--max-width);
    margin: 0 auto;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    overflow: hidden;
}

.map-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.3);
}

.map-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.map-title h3 {
    font-size: 1.2rem;
    font-weight: 600;
}

#flight-map {
    height: 500px;
    background: #0D0D12;
}

.flight-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(0, 0, 0, 0.2);
}


/* ============================================
   Layout - Features Section
   ============================================ */

.features-section {
    padding: var(--spacing-3xl) var(--spacing-lg);
    background: linear-gradient(180deg, transparent, rgba(92, 15, 217, 0.03), transparent);
}

.features-section .section-header {
    max-width: var(--max-width-sm);
}

.features-grid {
    max-width: var(--max-width-sm);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}


/* ============================================
   Layout - EFB Section
   ============================================ */

.efb-section {
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.efb-container {
    max-width: var(--max-width-sm);
    margin: 0 auto;
    background: linear-gradient(135deg, rgba(92, 15, 217, 0.1), rgba(255, 99, 0, 0.1));
    border: 1px solid var(--border-color);
    border-radius: 32px;
    padding: var(--spacing-2xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    position: relative;
    overflow: hidden;
}

.efb-container::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 400px;
    height: 400px;
    background: var(--color-secondary);
    filter: blur(150px);
    opacity: 0.2;
    pointer-events: none;
}

.efb-content {
    position: relative;
    z-index: 1;
}

.efb-content h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.efb-content > p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    max-width: 450px;
}

.efb-mockup {
    position: relative;
    z-index: 1;
}


/* ============================================
   Layout - Footer
   ============================================ */

footer {
    padding: var(--spacing-2xl) var(--spacing-lg) var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.3);
}

.footer-container {
    max-width: var(--max-width-sm);
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo {
    margin-bottom: var(--spacing-sm);
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

.footer-column h4 {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.footer-column li {
    margin-bottom: 0.75rem;
}

.footer-column a {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: color var(--transition-base);
}

.footer-column a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.footer-social svg {
    width: 18px;
    height: 18px;
    fill: var(--text-secondary);
    transition: fill var(--transition-base);
}

.footer-social a:hover svg {
    fill: white;
}