/* --- Global Styles & Variables --- */
:root {
    --primary-color: #0056b3;
    --secondary-color: #f8f9fa;
    --accent-color: #ffc107;
    --text-color: #333;
    --light-text-color: #fff;
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fff;
}

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

.section-padding {
    padding: 60px 0;
}

.bg-light {
    background-color: var(--secondary-color);
}

h1, h2, h3 {
    margin-bottom: 1rem;
    font-weight: 600;
}

h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

p {
    margin-bottom: 1rem;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 500;
    transition: background-color 0.3s ease, color 0.3s ease;
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background-color: #004494;
}

.btn-secondary {
    background-color: transparent;
    color: var(--light-text-color);
    border: 1px solid var(--light-text-color);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.btn-search {
    background-color: var(--accent-color);
    color: var(--text-color);
    font-size: 1.1rem;
    padding: 12px 25px;
    width: 100%;
}

.btn-search:hover {
    background-color: #e0a800;
}

/* --- Header --- */
.main-header {
    background: rgba(0, 0, 0, 0.7);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 15px 0;
}

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

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

.main-nav ul {
    list-style: none;
    display: flex;
}

.main-nav ul li a {
    color: var(--light-text-color);
    text-decoration: none;
    padding: 10px 15px;
    transition: color 0.3s ease;
}

.main-nav ul li a:hover,
.main-nav ul li a.active {
    color: var(--accent-color);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--light-text-color);
    font-size: 1.5rem;
    cursor: pointer;
}

/* --- Hero Section --- */
.hero {
    background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)), url('images/hero-bg.jpg') no-repeat center center/cover;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--light-text-color);
    padding-top: 80px; /* Offset for fixed header */
}

.booking-widget {
    background: rgba(0, 0, 0, 0.75);
    padding: 40px;
    border-radius: 10px;
    width: 100%;
    max-width: 800px;
}

.booking-widget h1 {
    margin-bottom: 30px;
    font-size: 2.2rem;
}

.trip-type {
    display: flex;
    gap: 30px;
    margin-bottom: 20px;
    justify-content: center;
}

.trip-type label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.form-row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    text-align: left;
}

.form-group label {
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group select {
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1rem;
    background-color: #fff;
}

/* --- Destinations Section --- */
.destination-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.destination-card {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.destination-card:hover {
    transform: translateY(-10px);
}

.destination-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.destination-card h3 {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(0,0,0,0.6);
    color: var(--light-text-color);
    padding: 15px;
    margin: 0;
}

/* --- Services Section --- */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 40px;
    text-align: center;
}

.service-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-item h3 {
    font-size: 1.3rem;
}

/* --- Footer --- */
.main-footer {
    background-color: #222;
    color: #aaa;
    padding: 60px 0 20px;
}

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

.footer-section h4 {
    color: var(--light-text-color);
    margin-bottom: 20px;
    font-size: 1.2rem;
}

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

.footer-section ul li a {
    color: #aaa;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--accent-color);
}

.footer-section p i {
    margin-right: 10px;
    color: var(--primary-color);
}

.social-links a {
    color: #aaa;
    font-size: 1.5rem;
    margin-right: 15px;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--light-text-color);
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid #444;
    padding-top: 20px;
    font-size: 0.9rem;
}

/* --- Responsive Design --- */
@media (max-width: 992px) {
    .header-actions .btn-secondary {
        display: none;
    }
}

@media (max-width: 768px) {
    .main-nav {
        position: fixed;
        top: 0;
        left: -100%;
        width: 80%;
        height: 100vh;
        background-color: var(--primary-color);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: left 0.4s ease;
    }

    .main-nav.is-open {
        left: 0;
    }

    .main-nav ul {
        flex-direction: column;
    }

    .main-nav ul li a {
        font-size: 1.2rem;
        padding: 15px 0;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .booking-widget {
        padding: 20px;
    }

    .form-row {
        flex-direction: column;
    }

    .trip-type {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
}