/* ============================================
   KOREAN AIRLINES GUIDE - Components
   ============================================ */

/* ----------------------------------------
   Navigation
   ---------------------------------------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    box-shadow: var(--shadow-lg);
}

.navbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.navbar__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
}

.navbar__logo-icon {
    font-size: var(--font-size-2xl);
}

.navbar__nav {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.navbar__link {
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
    position: relative;
}

.navbar__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

.navbar__link:hover,
.navbar__link.active {
    color: var(--color-text-primary);
}

.navbar__link:hover::after,
.navbar__link.active::after {
    width: 100%;
}

/* ----------------------------------------
   Buttons
   ---------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    text-decoration: none;
}

.btn--primary {
    background: var(--gradient-primary);
    color: var(--color-text-primary);
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(14, 165, 233, 0.4);
}

.btn--secondary {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn--secondary:hover {
    background: var(--color-bg-card);
    border-color: var(--color-primary);
}

.btn--outline {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.btn--outline:hover {
    background: var(--color-primary);
    color: var(--color-text-primary);
}

.btn--lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-base);
}

.btn--sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-xs);
}

/* ----------------------------------------
   Cards
   ---------------------------------------- */
.card {
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    transition: all var(--transition-base);
}

.card:hover {
    border-color: rgba(14, 165, 233, 0.3);
    box-shadow: var(--shadow-glow);
}

.airline-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--gradient-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    overflow: hidden;
    transition: all var(--transition-base);
    cursor: pointer;
}

.airline-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--airline-color, var(--gradient-primary));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.airline-card:hover {
    transform: translateY(-8px) perspective(1000px) rotateX(2deg);
    border-color: rgba(14, 165, 233, 0.4);
    box-shadow:
        0 25px 50px -12px rgba(0, 0, 0, 0.5),
        0 0 40px rgba(14, 165, 233, 0.15);
}

.airline-card:hover::before {
    opacity: 1;
}

.airline-card__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--space-4);
}

.airline-card__logo {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-lg);
    background: var(--color-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
}

.airline-card__badge {
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
    text-transform: uppercase;
}

.airline-card__badge--fsc {
    background: rgba(14, 165, 233, 0.2);
    color: var(--color-primary-light);
}

.airline-card__badge--lcc {
    background: rgba(245, 158, 11, 0.2);
    color: var(--color-secondary-light);
}

.airline-card__name {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-1);
}

.airline-card__name-en {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-4);
}

.airline-card__codes {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.airline-card__code {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.airline-card__code-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
}

.airline-card__code-value {
    font-family: var(--font-family-mono);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.airline-card__stats {
    display: flex;
    gap: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.airline-card__stat {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.airline-card__stat-icon {
    font-size: var(--font-size-lg);
}

/* ----------------------------------------
   Tags & Badges
   ---------------------------------------- */
.tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-full);
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
}

.tag--primary {
    background: rgba(14, 165, 233, 0.15);
    color: var(--color-primary-light);
}

.tag--secondary {
    background: rgba(245, 158, 11, 0.15);
    color: var(--color-secondary-light);
}

/* ----------------------------------------
   Stats Grid
   ---------------------------------------- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-6);
}

.stat-card {
    text-align: center;
    padding: var(--space-8);
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
}

.stat-card__value {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-2);
}

.stat-card__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* ----------------------------------------
   Tabs
   ---------------------------------------- */
.tabs {
    display: flex;
    gap: var(--space-2);
    padding: var(--space-2);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-8);
}

.tabs__btn {
    flex: 1;
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    background: transparent;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

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

.tabs__btn.active {
    background: var(--gradient-primary);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-md);
}

/* ----------------------------------------
   Tables
   ---------------------------------------- */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: var(--space-4);
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.table th {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    background: var(--color-bg-secondary);
}

.table td {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.table tr:hover td {
    background: rgba(14, 165, 233, 0.05);
}

/* ----------------------------------------
   Footer
   ---------------------------------------- */
.footer {
    padding: var(--space-12) 0;
    background: var(--color-bg-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin-top: var(--space-20);
}

.footer__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    text-align: center;
}

.footer__text {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.footer__links {
    display: flex;
    gap: var(--space-6);
}

.footer__link {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.footer__link:hover {
    color: var(--color-primary);
}

/* ----------------------------------------
   Animations
   ---------------------------------------- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-delay-1 {
    animation-delay: 0.1s;
}

.animate-delay-2 {
    animation-delay: 0.2s;
}

.animate-delay-3 {
    animation-delay: 0.3s;
}

.animate-delay-4 {
    animation-delay: 0.4s;
}

/* Scroll-triggered animations */
.scroll-animate {
    opacity: 1;
    /* Hotfix: Changed from 0 to 1 to ensure content visibility */
    transform: translateY(0);
    /* Hotfix: Reset transform */
    transition: all 0.6s ease-out;
}

.scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ----------------------------------------
   Responsive
   ---------------------------------------- */
@media (max-width: 768px) {
    .navbar__nav {
        display: none;
    }

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

    .airline-card__codes {
        flex-wrap: wrap;
    }

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

    .tabs {
        flex-wrap: wrap;
    }

    .tabs__btn {
        flex: 1 1 45%;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .tabs__btn {
        flex: 1 1 100%;
    }
}