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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Arial', 'Helvetica', sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background: #ffffff;
    min-height: 100vh;
}

.page-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar-nav {
    width: 280px;
    background: linear-gradient(180deg, #0a1929 0%, #1a3a5a 100%);
    color: #ffffff;
    padding: 2rem 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.2);
}

.sidebar-header {
    padding: 0 2rem;
    margin-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 2rem;
}

.sidebar-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #ffffff;
}

.subtitle {
    font-size: 0.9rem;
    color: #bdc3c7;
    font-weight: 300;
}

.sidebar-menu {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0 1rem;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    color: #bdc3c7;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.nav-item:hover,
.nav-item.active {
    background: linear-gradient(90deg, #0066cc 0%, #004d99 100%);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

.main-content-area {
    margin-left: 280px;
    flex: 1;
    width: calc(100% - 280px);
}

.hero-section {
    position: relative;
    height: 500px;
    overflow: hidden;
}

.hero-image {
    width: 100%;
    height: 100%;
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 3rem;
    color: #ffffff;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.6;
    max-width: 800px;
}

.content-section {
    padding: 4rem 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: #1a252f;
    margin-bottom: 0.5rem;
}

.section-intro {
    font-size: 1.1rem;
    color: #7f8c8d;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.info-card {
    background: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.card-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.card-content {
    padding: 1.5rem;
}

.card-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #1a252f;
    margin-bottom: 1rem;
}

.card-content p {
    color: #555;
    line-height: 1.7;
}

.routes-cards {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}

.route-card {
    display: flex;
    background: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    flex-wrap: wrap;
}

.route-card:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.route-photo {
    width: 400px;
    min-width: 300px;
    height: 300px;
    flex: 1 1 300px;
    overflow: hidden;
}

.route-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.route-info {
    padding: 2rem;
    flex: 1;
}

.route-info h3 {
    font-size: 1.6rem;
    font-weight: 600;
    color: #1a252f;
    margin-bottom: 1rem;
}

.route-info p {
    color: #555;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.route-features {
    list-style: none;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.route-features li {
    background: #ecf0f1;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    color: #555;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.benefit-card {
    background: linear-gradient(135deg, #ffffff 0%, #e8f4f8 100%);
    padding: 2rem;
    border-radius: 16px;
    border-left: 5px solid #0066cc;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 102, 204, 0.1);
}

.benefit-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 8px 25px rgba(0, 102, 204, 0.25);
    border-left-width: 6px;
}

.benefit-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1a252f;
    margin-bottom: 1rem;
}

.benefit-card p {
    color: #555;
    line-height: 1.7;
}

.contact-section {
    background: #f8f9fa;
    padding: 4rem 3rem;
    border-radius: 12px;
    margin-top: 2rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.contact-card {
    background: #ffffff;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #e0e0e0;
}

.contact-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1a252f;
    margin-bottom: 1rem;
}

.contact-card p {
    color: #555;
    margin-bottom: 0.5rem;
}

.contact-note {
    font-size: 0.9rem;
    color: #7f8c8d;
    font-style: italic;
}

.main-footer {
    background: #1a252f;
    color: #ffffff;
    padding: 3rem 3rem 1.5rem;
    margin-top: 4rem;
    margin-left: 280px;
    width: calc(100% - 280px);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-column h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-column p {
    color: #bdc3c7;
    line-height: 1.7;
    margin-bottom: 0.5rem;
}

.footer-column a {
    color: #bdc3c7;
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: #ffffff;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
    color: #bdc3c7;
    font-size: 0.9rem;
}

@media (max-width: 1024px) {
    .sidebar-nav {
        width: 250px;
    }
    
    .main-content-area {
        margin-left: 250px;
        width: calc(100% - 250px);
    }
    
    .main-footer {
        margin-left: 250px;
        width: calc(100% - 250px);
    }
    
    .route-photo {
        width: 100%;
        min-width: 100%;
        flex: 1 1 100%;
        height: 280px;
    }
    
    .cards-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .benefits-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .contact-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }
}

@media (max-width: 768px) {
    .page-layout {
        flex-direction: column;
    }
    
    .sidebar-nav {
        width: 100%;
        height: auto;
        position: relative;
        padding: 1.5rem 0;
    }
    
    .sidebar-header {
        padding: 0 1.5rem;
        margin-bottom: 2rem;
        padding-bottom: 1.5rem;
    }
    
    .sidebar-header h1 {
        font-size: 1.5rem;
    }
    
    .sidebar-menu {
        padding: 0 1rem;
    }
    
    .nav-item {
        padding: 0.8rem 1.2rem;
        font-size: 0.95rem;
    }
    
    .main-content-area {
        margin-left: 0;
        width: 100%;
    }
    
    .hero-section {
        height: 400px;
    }
    
    .hero-overlay {
        padding: 2rem 1.5rem;
    }
    
    .hero-title {
        font-size: 1.8rem;
        margin-bottom: 0.8rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .main-footer {
        margin-left: 0;
        width: 100%;
        padding: 2rem 1.5rem 1rem;
    }
    
    .content-section {
        padding: 2rem 1.5rem;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .section-intro {
        font-size: 1rem;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .card-image {
        height: 220px;
    }
    
    .card-content {
        padding: 1.2rem;
    }
    
    .card-content h3 {
        font-size: 1.2rem;
    }
    
    .route-card {
        flex-direction: column;
    }
    
    .route-photo {
        width: 100%;
        min-width: 100%;
        height: 250px;
        flex: 1 1 100%;
    }
    
    .route-info {
        padding: 1.5rem;
    }
    
    .route-info h3 {
        font-size: 1.4rem;
    }
    
    .route-features {
        gap: 0.8rem;
    }
    
    .route-features li {
        font-size: 0.85rem;
        padding: 0.4rem 0.8rem;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .benefit-card {
        padding: 1.5rem;
    }
    
    .benefit-card h3 {
        font-size: 1.2rem;
    }
    
    .contact-section {
        padding: 2rem 1.5rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .contact-card {
        padding: 1.5rem;
    }
    
    .contact-card h3 {
        font-size: 1.2rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .sidebar-header h1 {
        font-size: 1.3rem;
    }
    
    .subtitle {
        font-size: 0.85rem;
    }
    
    .hero-section {
        height: 300px;
    }
    
    .hero-overlay {
        padding: 1.5rem 1rem;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .hero-description {
        font-size: 0.95rem;
    }
    
    .content-section {
        padding: 1.5rem 1rem;
    }
    
    .section-header h2 {
        font-size: 1.5rem;
    }
    
    .section-intro {
        font-size: 0.95rem;
    }
    
    .card-image {
        height: 200px;
    }
    
    .card-content h3 {
        font-size: 1.1rem;
    }
    
    .card-content p {
        font-size: 0.95rem;
    }
    
    .route-photo {
        height: 220px;
    }
    
    .route-info {
        padding: 1.2rem;
    }
    
    .route-info h3 {
        font-size: 1.2rem;
    }
    
    .route-info p {
        font-size: 0.95rem;
    }
    
    .benefit-card {
        padding: 1.2rem;
    }
    
    .benefit-card h3 {
        font-size: 1.1rem;
    }
    
    .benefit-card p {
        font-size: 0.95rem;
    }
    
    .contact-card {
        padding: 1.2rem;
    }
    
    .contact-card h3 {
        font-size: 1.1rem;
    }
    
    .contact-card p {
        font-size: 0.95rem;
    }
    
    .main-footer {
        padding: 1.5rem 1rem 1rem;
    }
    
    .footer-column h3 {
        font-size: 1.1rem;
    }
    
    .footer-column p,
    .footer-column a {
        font-size: 0.9rem;
    }
    
    .footer-bottom {
        font-size: 0.85rem;
    }
}
