:root {
    --primary-color: #0066cc;
    --secondary-color: #f0f8ff;
    --text-color: #333;
    --light-text: #666;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f9f9f9;
    color: var(--text-color);
    line-height: 1.6;
}

/* Header & Navigation */
header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
}

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

/* User avatar */
.avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: var(--shadow);
}

.user-menu {
    position: relative;
}
.user-dropdown {
    display: none;
    position: absolute;
    right: 0;
    top: 42px;
    background: var(--white);
    border: 1px solid #eee;
    border-radius: 8px;
    box-shadow: var(--shadow);
    min-width: 180px;
    padding: 8px;
    z-index: 2000;
}
.user-dropdown a, .user-dropdown .dropdown-btn {
    display: block;
    width: 100%;
    text-align: left;
    padding: 8px 10px;
    color: var(--text-color);
    text-decoration: none;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: 6px;
}
.user-dropdown a:hover, .user-dropdown .dropdown-btn:hover {
    background: var(--secondary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('https://images.unsplash.com/photo-1476514525535-07fb3b4ae5f1?q=80&w=2000&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    height: 500px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--white);
    text-align: center;
    padding: 20px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.btn {
    padding: 12px 30px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #0052a3;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
    color: var(--primary-color);
    font-size: 2rem;
}

/* Grid Layout for Packages */
.packages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.package-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.package-card:hover {
    transform: translateY(-5px);
}

.package-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.package-info {
    padding: 20px;
}

.package-info h3 {
    margin-bottom: 10px;
    color: var(--text-color);
}

.package-info .duration {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 10px;
    display: block;
}

.package-info p {
    color: var(--light-text);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

/* Detail Page */
.detail-header {
    position: relative;
    height: 400px;
    margin-bottom: 40px;
}

.detail-header img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.detail-title {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: var(--white);
    padding: 40px 20px;
    text-align: center;
}

.itinerary-section {
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.day-item {
    border-left: 3px solid var(--primary-color);
    padding-left: 20px;
    margin-bottom: 30px;
    position: relative;
}

.day-item::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 0;
    width: 13px;
    height: 13px;
    background: var(--primary-color);
    border-radius: 50%;
}

.day-number {
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 5px;
    display: block;
}

.day-title {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

.form-group textarea {
    height: 150px;
}

/* Footer */
footer {
    background-color: #333;
    color: var(--white);
    text-align: center;
    padding: 40px 20px;
    margin-top: 60px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* Simple hiding for mobile, ideally would be a hamburger menu */
    }
    .hero h1 {
        font-size: 2rem;
    }
}