:root {
    --primary: #0f4c5c;
    /* Deep Teal */
    --secondary: #e2c044;
    /* Gold */
    --accent: #d00000;
    /* Rich Red for CTAs */
    --bg-light: #f8f9fa;
    --text-dark: #212529;
    --text-muted: #6c757d;
    --glass: rgba(255, 255, 255, 0.85);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

h1,
h2,
h3,
.logo {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: transparent;
    transition: var(--transition);
    z-index: 1000;
}

.navbar.scrolled {
    background: var(--glass);
    backdrop-filter: blur(10px);
    padding: 1rem 5%;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.logo {
    font-size: 1.8rem;
    color: white;
    letter-spacing: 2px;
}

.navbar.scrolled .logo {
    color: var(--primary);
}

.logo span {
    color: var(--secondary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: white;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

.navbar.scrolled .nav-links a {
    color: var(--text-dark);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

/* --- Hero Section --- */
.hero {
    height: 100vh;
    background: url('https://images.unsplash.com/photo-1544735716-392fe2489ffa?auto=format&fit=crop&w=1920&q=80') no-repeat center center/cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(15, 76, 92, 0.7), rgba(0, 0, 0, 0.3));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 2rem;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
}

.hero h1 span {
    color: var(--secondary);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

.btn-primary {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--secondary);
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition);
    border: 2px solid var(--secondary);
}

.btn-primary:hover {
    background: transparent;
    color: white;
    transform: translateY(-3px);
}

/* --- Detailed Inquiry/Booking Card --- */
.booking-section {
    margin-top: -100px;
    padding: 0 5%;
    position: relative;
    z-index: 10;
}

.booking-card {
    background: white;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    max-width: 1100px;
    margin: 0 auto;
}

.booking-card h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 2rem;
    color: var(--primary);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.input-group input,
.input-group select {
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(15, 76, 92, 0.1);
}

.btn-submit {
    grid-column: 1 / -1;
    padding: 1rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 5px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 1rem;
}

.btn-submit:hover {
    background: #0a333d;
    transform: translateY(-2px);
}

/* --- Featured Tours --- */
.section-padding {
    padding: 100px 5%;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.tours-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.tour-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    position: relative;
    cursor: pointer;
}

.tour-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
}

.tour-img {
    height: 250px;
    position: relative;
    overflow: hidden;
}

.tour-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.tour-card:hover .tour-img img {
    transform: scale(1.1);
}

.tour-badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    padding: 0.5rem 1.2rem;
    background: var(--secondary);
    color: var(--primary);
    font-weight: 600;
    font-size: 0.75rem;
    border-radius: 30px;
    text-transform: uppercase;
}

.tour-content {
    padding: 2rem;
}

.tour-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.tour-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* --- About Section --- */
.about-section {
    display: flex;
    align-items: center;
    gap: 4rem;
    background: white;
}

.about-img {
    flex: 1;
    border-radius: 20px;
    overflow: hidden;
    height: 500px;
}

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

.about-content {
    flex: 1;
}

.about-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.about-content p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
    color: var(--text-muted);
}

/* --- Footer --- */
footer {
    background: var(--primary);
    color: white;
    padding: 80px 5% 40px;
}

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

.footer-info h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--secondary);
}

.footer-info p {
    opacity: 0.8;
}

.footer-links h4 {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

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

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: white;
    text-decoration: none;
    opacity: 0.7;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    opacity: 0.6;
}

/* --- Animations --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 3rem;
    }

    .about-section {
        flex-direction: column;
    }

    .footer-grid {
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

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

    .booking-card {
        padding: 2rem;
    }
}