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

:root {
    --deep-blue: #213448;
    --slate-blue: #547792;
    --sky-blue: #94B4C1;
    --light-cream: #ECEFCA;
    --white: #ffffff;
    --text-dark: #333333;
    --shadow: rgba(0, 0, 0, 0.1);
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(33, 52, 72, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo a {
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-logo a:hover {
    color: var(--sky-blue);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 400;
    transition: all 0.3s ease;
    padding: 10px 0;
    position: relative;
}

.nav-link:hover {
    color: var(--sky-blue);
}

.dropdown {
    position: relative;
}
.dropdown > .nav-link{
    pointer-events: none;
    user-select: none;

}
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--deep-blue);
    min-width: 180px;
    box-shadow: 0 8px 25px var(--shadow);
    border-radius: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    list-style: none;
    padding: 10px 0;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    display: block;
    padding: 12px 20px;
    color: var(--light-cream);
    text-decoration: none;
    transition: all 0.3s ease;
}

.dropdown-menu a:hover {
    background: var(--slate-blue);
    color: var(--white);
}

.btn-book {
    background: var(--sky-blue);
    color: var(--deep-blue) !important;
    padding: 10px 20px !important;
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-book:hover {
    background: var(--light-cream);
    transform: translateY(-2px);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger .bar {
    width: 25px;
    height: 3px;
    background: var(--light-cream);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--deep-blue) 0%, var(--slate-blue) 50%, var(--sky-blue) 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero-content {
    text-align: center;
    color: var(--white);
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.btn-cta {
    display: inline-block;
    background: var(--light-cream);
    color: var(--deep-blue);
    padding: 15px 35px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
    background: var(--sky-blue);
    color: var(--white);
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--light-cream);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--deep-blue);
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 8px 25px var(--shadow);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.feature-card i {
    font-size: 3rem;
    color: var(--slate-blue);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    color: var(--deep-blue);
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-dark);
    line-height: 1.6;
}

/* Destinations Preview */
.destinations-preview {
    padding: 100px 0;
    background: var(--white);
}

.destinations-preview h2 {
    text-align: center;
    font-size: 2.5rem;
    color: var(--deep-blue);
    margin-bottom: 60px;
}

.destinations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.destination-card {
    background: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 25px var(--shadow);
    transition: all 0.3s ease;
}

.destination-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

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

.placeholder-image {
    width: 100%;
    height: 100%;
    transition: transform 0.3s ease;
}

.placeholder-image.asia {
    background: url('./images/asia.jpg') center center/cover no-repeat;
}

.placeholder-image.europe {
    background: url('./images/eu.jpg') center center/cover no-repeat;
}

.placeholder-image.america {
    background: url('./images/us.jpg') center center/cover no-repeat;
}

.destination-card:hover .placeholder-image {
    transform: scale(1.1);
}

.card-content {
    padding: 30px;
}

.card-content h3 {
    font-size: 1.5rem;
    color: var(--deep-blue);
    margin-bottom: 15px;
}

.card-content p {
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.6;
}

.btn-secondary {
    display: inline-block;
    background: var(--slate-blue);
    color: var(--white);
    padding: 12px 25px;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: var(--deep-blue);
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: var(--deep-blue);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
    color: var(--sky-blue);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--sky-blue);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    color: var(--light-cream);
    font-size: 20px;
    transition: color 0.3s ease;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--slate-blue);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--deep-blue);
        width: 100%;
        height: 100vh;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 10px 0;
        gap: 10;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-link.btn-book {
        display: none;
    }
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border-radius: 0;
        margin-left: 100px;
        font-size:10px ;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    .features-grid,
    .destinations-grid {
        grid-template-columns: 1fr;
    }

    .destinations-grid {
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .features h2,
    .destinations-preview h2 {
        font-size: 2rem;
    }

    .feature-card,
    .card-content {
        padding: 25px 20px;
    }
}

/* Page-specific styles */
.page-header {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, var(--deep-blue), var(--slate-blue));
    color: var(--white);
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

.page-content {
    padding: 80px 0;
    background: var(--white);
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.content-card {
    background: var(--light-cream);
    padding: 30px;
    border-radius: 15px;
    border-left: 4px solid var(--slate-blue);
    transition: all 0.3s ease;
}

.content-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow);
}

.content-card h3 {
    color: var(--deep-blue);
    margin-bottom: 15px;
}