/* styles.css */
:root {
    /* Colors */
    --primary-color: #0056b3;
    --primary-hover: #003d82;
    --secondary-color: #f8f9fa;
    --text-color: #333333;
    --text-light: #666666;
    --background-color: #ffffff;
    --card-bg: #ffffff;
    --footer-bg: #1a1a1a;
    --footer-text: #f8f9fa;
    
    /* Spacing Grid (8px base) */
    --space-1: 8px;
    --space-2: 16px;
    --space-3: 24px;
    --space-4: 32px;
    --space-5: 40px;
    --space-6: 48px;
    --space-8: 64px;
    --space-12: 96px;

    /* Borders & Shadows */
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    background-color: var(--background-color);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-3);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

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

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Header & Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--footer-bg);
    backdrop-filter: blur(8px);
    box-shadow: var(--box-shadow);
    z-index: 1000;
    padding: var(--space-2) 0;
    transition: var(--transition);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.logo img {
    height: 50px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: var(--space-4);
}

.nav-links a {
    font-weight: 600;
    color: var(--footer-text);
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

/* Hero Section */
.hero {
    height: 100vh;
    min-height: 600px;
    background-image: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url('../assets/hero_bg.png');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    padding-top: var(--space-8);
}

.hero-content {
    max-width: 800px;
    padding: 0 var(--space-3);
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: var(--space-3);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: var(--space-4);
}

/* Travel Options */
.travel-options {
    padding: var(--space-12) 0;
    background-color: var(--secondary-color);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: var(--space-8);
    color: var(--primary-color);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-4);
}

.card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.15);
}

.card-image {
    height: 250px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.card:hover .card-image img {
    transform: scale(1.05);
}

.card-content {
    padding: var(--space-4);
    text-align: center;
}

.card-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-2);
    color: var(--primary-color);
}

.card-content p {
    color: var(--text-light);
    margin-bottom: var(--space-3);
}

/* Footer Styles */
.site-footer {
    background-color: var(--footer-bg);
    color: var(--footer-text);
    padding: var(--space-8) 0 var(--space-3);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.footer-brand .footer-logo {
    height: 50px;
    margin-bottom: var(--space-3);
    filter: brightness(0) invert(1);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.25rem;
    margin-bottom: var(--space-3);
    color: var(--primary-color);
}

.footer-links ul li {
    margin-bottom: var(--space-1);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--space-3);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }

    .hero h1 {
        font-size: 2rem;
    }
}

/* Accessibility: Prefers Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}