:root {
    /* Deep Blue Ocean Theme */
    --clr-ocean-dark: #001f3f;
    --clr-ocean-mid: #003366;
    --clr-ocean-light: #005b9f;
    --clr-accent-gold: #c5a059;
    --clr-accent-gold-hover: #e0bb6b;
    --clr-white: #ffffff;
    --clr-off-white: #f5f8fa;
    --clr-text-main: #333333;
    --clr-text-light: #666666;
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Outfit', sans-serif;
    
    /* Spacing */
    --section-padding: 6rem 0;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--clr-off-white);
    color: var(--clr-text-main);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--clr-ocean-dark);
}

/* Buttons */
.btn-primary, .btn-primary-outline {
    display: inline-block;
    padding: 0.8rem 2rem;
    font-family: var(--font-body);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--clr-accent-gold);
    color: var(--clr-white);
    border: 2px solid var(--clr-accent-gold);
}

.btn-primary:hover {
    background-color: var(--clr-accent-gold-hover);
    border-color: var(--clr-accent-gold-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(197, 160, 89, 0.3);
}

.btn-primary-outline {
    background-color: transparent;
    color: var(--clr-white);
    border: 2px solid var(--clr-white);
}

.btn-primary-outline:hover {
    background-color: var(--clr-white);
    color: var(--clr-ocean-dark);
}

/* Navigation */
#navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: all 0.4s ease;
    background: transparent;
}

#navbar.scrolled {
    background: rgba(0, 31, 63, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--clr-white);
    text-decoration: none;
}

.logo span {
    color: var(--clr-accent-gold);
}

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

.nav-links a {
    color: var(--clr-white);
    text-decoration: none;
    font-weight: 400;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--clr-accent-gold);
}

/* Hero Section */
.hero {
    height: 100vh;
    background-image: linear-gradient(rgba(0, 31, 63, 0.5), rgba(0, 31, 63, 0.7)), url('assets/images/hero.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    padding: 0 2rem;
    color: var(--clr-white);
    animation: fadeIn 1.5s ease;
}

.hero-content h1 {
    color: var(--clr-white);
    font-size: 5rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-content p {
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
    font-weight: 300;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

/* Sections Common */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--clr-accent-gold);
}

.section-header p {
    font-size: 1.2rem;
    color: var(--clr-text-light);
}

/* Destinations Section */
.destinations-section {
    padding: var(--section-padding);
    background-color: var(--clr-white);
}

.destinations-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 300px;
    gap: 1.5rem;
}

.destination-card {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.4s ease;
}

.destination-card.featured {
    grid-column: span 2;
    grid-row: span 2;
}

.destination-card:hover {
    transform: scale(1.02);
}

.card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem;
    background: linear-gradient(to top, rgba(0,31,63,0.9), transparent);
    color: var(--clr-white);
    transition: all 0.3s ease;
}

.card-overlay h3 {
    color: var(--clr-white);
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    transform: translateY(10px);
    transition: transform 0.3s ease;
}

.featured .card-overlay h3 {
    font-size: 2.5rem;
}

.card-overlay p {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    font-weight: 300;
}

.destination-card:hover .card-overlay h3 {
    transform: translateY(0);
}

.destination-card:hover .card-overlay p {
    opacity: 1;
    transform: translateY(0);
}

/* Packages Section */
.packages-section {
    padding: var(--section-padding);
    background-color: var(--clr-off-white);
}

.packages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.package-card {
    background: var(--clr-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0,31,63,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.package-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0,31,63,0.15);
}

.package-image {
    height: 300px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.package-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    z-index: 2;
}

.premium {
    background-color: var(--clr-accent-gold);
    color: var(--clr-white);
}

.exclusive {
    background-color: var(--clr-ocean-dark);
    color: var(--clr-white);
}

.package-content {
    padding: 3rem 2.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.package-content h3 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.package-desc {
    color: var(--clr-text-light);
    margin-bottom: 2rem;
    flex-grow: 1;
}

.price {
    font-size: 3rem;
    font-family: var(--font-heading);
    color: var(--clr-ocean-dark);
    font-weight: 600;
    margin-bottom: 2rem;
}

.price .currency {
    font-size: 1.5rem;
    vertical-align: top;
    margin-right: 2px;
}

.price .per {
    font-size: 1rem;
    color: var(--clr-text-light);
    font-family: var(--font-body);
    font-weight: 400;
}

/* Footer */
footer {
    background-color: var(--clr-ocean-dark);
    color: var(--clr-white);
    padding: 5rem 0 2rem;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand h2 {
    color: var(--clr-white);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.footer-brand span {
    color: var(--clr-accent-gold);
}

.footer-brand p {
    color: #a0b2c6;
    max-width: 300px;
}

.footer-links h4, .footer-contact h4 {
    color: var(--clr-white);
    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: #a0b2c6;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--clr-accent-gold);
}

.footer-contact p {
    color: #a0b2c6;
    margin-bottom: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #a0b2c6;
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 992px) {
    .destinations-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .packages-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 3.5rem;
    }
    .destinations-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 250px;
    }
    .destination-card.featured {
        grid-column: 1;
        grid-row: span 1;
    }
    .footer-container {
        grid-template-columns: 1fr;
    }
    .nav-links {
        display: none; /* simple mobile handling */
    }
}

/* Booking Page Styles */
.booking-page {
    background-color: var(--clr-off-white);
}

.booking-section {
    padding: 120px 0 var(--section-padding);
    min-height: 80vh;
}

.booking-header {
    text-align: center;
    margin-bottom: 3rem;
}

.booking-header h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.booking-form-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background: var(--clr-white);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 15px 40px rgba(0,31,63,0.08);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group.row {
    display: flex;
    gap: 1.5rem;
}

.form-group.row .col {
    flex: 1;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--clr-ocean-dark);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--clr-ocean-light);
    box-shadow: 0 0 0 2px rgba(0, 91, 159, 0.1);
}

.submit-btn {
    width: 100%;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    padding: 1rem;
    margin-top: 1rem;
}

@media (max-width: 768px) {
    .form-group.row {
        flex-direction: column;
        gap: 1.5rem;
    }
    .booking-form-wrapper {
        padding: 2rem;
    }
}