/* --- Variables & Reset --- */
:root {
    --color-bg: #09090b; /* zinc-950 */
    --color-bg-light: #18181b; /* zinc-900 */
    --color-text: #f4f4f5; /* zinc-100 */
    --color-text-muted: #a1a1aa; /* zinc-400 */
    --color-primary: #dc2626; /* red-600 */
    --color-primary-hover: #b91c1c; /* red-700 */
    --color-border: rgba(255, 255, 255, 0.1);
    
    --font-sans: 'Inter', sans-serif;
    --font-serif: 'Playfair Display', serif;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(220, 38, 38, 0.4);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(220, 38, 38, 0.6);
}

.btn-primary:active {
    transform: scale(0.95);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--color-border);
    color: var(--color-text);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 10px 0;
    background-color: transparent;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background-color: rgba(9, 9, 11, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 100%;
    padding: 0 32px;
}

.logo {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logo {
    height: 180px;
    width: auto;
    object-fit: contain;
}

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

.logo-text {
    font-size: 2.2rem;
    font-weight: 700;
    transition: var(--transition);
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 600;
    position: relative;
    padding-bottom: 4px;
}

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

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

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

/* --- Dropdown Menu --- */
.dropdown {
    position: relative;
}

.dropdown > a {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background-color: #1a1a1a;
    border: 1px solid #333;
    list-style: none;
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1000;
    margin: 0;
}

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

.dropdown-menu li {
    position: relative;
    padding: 0;
}

.dropdown-menu a {
    display: block;
    padding: 12px 20px;
    font-size: 0.85rem;
    font-weight: 500;
    color: #e0e0e0;
    transition: background-color 0.2s ease, color 0.2s ease;
    text-transform: uppercase;
}

.dropdown-menu a::after {
    display: none;
}

.dropdown-menu a:hover {
    background-color: #2a2a2a;
    color: var(--color-primary);
}

/* Submenu */
.dropdown-submenu > a::after {
    content: '›';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2rem;
    display: block;
    width: auto;
    height: auto;
    background: none;
}

.dropdown-submenu .dropdown-menu {
    top: 0;
    left: 100%;
    margin-left: 1px;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn .bar {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    margin: 5px 0;
    transition: var(--transition);
}

/* --- Mobile Menu --- */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(9, 9, 11, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: 99;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transform: translateY(-100%);
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu.open {
    transform: translateY(0);
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.mobile-nav-links a {
    font-size: 1.5rem;
    font-weight: 600;
    font-family: var(--font-serif);
}

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

.mobile-btn {
    margin-top: 24px;
    font-size: 1rem;
    padding: 16px 32px;
}

/* --- Hero Section --- */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(rgba(0,0,0,0.4), rgba(9,9,11,1)), url('assets/images/river_rafting.png');
    background-size: cover;
    background-position: center;
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    animation: fadeInUp 1s ease-out forwards;
    opacity: 0;
    transform: translateY(30px);
}

.hero-subtitle {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 24px;
    text-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.hero-text {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.search-widget {
    background: rgba(24, 24, 27, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    padding: 12px 12px 12px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    max-width: 800px;
    margin: 0 auto;
}

.search-field {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding-right: 24px;
    border-right: 1px solid var(--color-border);
}

.search-field:last-of-type {
    border-right: none;
    padding-right: 16px;
}

.search-field label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-muted);
    font-weight: 600;
    margin-bottom: 4px;
}

.search-field input,
.search-field select {
    background: transparent;
    border: none;
    color: var(--color-text);
    font-size: 1rem;
    font-weight: 500;
    font-family: var(--font-sans);
    outline: none;
    cursor: pointer;
    width: 100%;
}

.search-field input::placeholder {
    color: #71717a;
}

.search-field select option {
    background-color: var(--color-bg-light);
    color: var(--color-text);
}

.search-btn {
    padding: 16px 32px;
}

/* --- Sections --- */
.section {
    padding: 120px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header h2 {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--color-text-muted);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* --- Destinations --- */
.destinations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.dest-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    height: 350px;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.dest-image {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.7s ease;
}

.dest-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.4) 50%, transparent 80%);
}

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

.dest-info {
    position: absolute;
    inset: 0;
    padding: 30px;
    z-index: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-start;
}

.dest-info h3 {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    color: #ffffff;
    margin-bottom: 30px;
}

.dest-info p {
    display: none;
}

.dest-info .btn-primary {
    background-color: #ef4444 !important;
    border: none !important;
    border-radius: 50px !important;
    padding: 10px 24px !important;
    font-size: 0.9rem !important;
    font-weight: 600 !important;
    color: #ffffff !important;
    margin-top: 0 !important;
}

.dest-info .btn-primary:hover {
    background-color: #dc2626 !important;
}

/* --- Packages --- */
.packages {
    background-color: var(--color-bg-light);
}

.packages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.pkg-card {
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
}

.pkg-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    border-color: rgba(255, 255, 255, 0.2);
}

.pkg-image {
    height: 240px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.pkg-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background-color: var(--color-primary);
    color: white;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.pkg-content {
    padding: 32px;
}

.pkg-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.pkg-content h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.pkg-content p {
    color: var(--color-text-muted);
    margin-bottom: 24px;
    font-size: 0.95rem;
}

.pkg-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.pkg-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
}

/* --- Footer --- */
.footer {
    border-top: 1px solid var(--color-border);
    padding-top: 80px;
    background-color: var(--color-bg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 64px;
}

.footer-brand h2 {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    margin-bottom: 16px;
}

.footer-brand span {
    color: var(--color-primary);
}

.footer-brand p {
    color: var(--color-text-muted);
    max-width: 300px;
}

.footer-links h4,
.footer-contact h4,
.footer-newsletter h4 {
    font-size: 1.125rem;
    margin-bottom: 24px;
    font-weight: 600;
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links ul li a {
    color: var(--color-text-muted);
}

.footer-links ul li a:hover {
    color: var(--color-primary);
    padding-left: 4px;
}

.footer-contact p {
    color: var(--color-text-muted);
    margin-bottom: 12px;
}

.footer-newsletter p {
    color: var(--color-text-muted);
    margin-bottom: 16px;
}

.newsletter-form {
    display: flex;
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    padding: 4px;
}

.newsletter-form input {
    background: transparent;
    border: none;
    color: var(--color-text);
    padding: 8px 16px;
    width: 100%;
    outline: none;
}

.newsletter-form .btn {
    padding: 8px 20px;
}

.footer-bottom {
    text-align: center;
    padding: 24px 0;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* --- Animations --- */
@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- New Responsive Grid Classes --- */
.package-layout-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 60px;
}

.about-do-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

/* --- Media Queries --- */
@media (max-width: 992px) {
    .logo {
        font-size: 2rem;
    }
    
    .logo-text {
        font-size: 1.5rem;
    }
    
    .nav-logo {
        height: 80px;
    }
    
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
        z-index: 101;
    }
    
    .nav-actions .btn {
        display: none;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .search-widget {
        flex-direction: column;
        border-radius: 20px;
        padding: 24px;
        gap: 16px;
    }
    
    .search-field {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
        padding: 0 0 16px 0;
    }
    
    .search-btn {
        width: 100%;
        margin-top: 8px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .package-layout-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .logo {
        font-size: 1.5rem;
        gap: 8px;
    }
    
    .logo-text {
        display: none;
    }
    
    .nav-logo {
        height: 130px;
    }

    .hero-title {
        font-size: 2.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.2rem;
    }
    
    .nav-logo {
        height: 120px;
    }
}

/* --- Booking Modal --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transform: translateY(-20px);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--color-border);
}

.modal-header h2 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: var(--color-text);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: var(--color-primary);
}

.modal-body {
    padding: 24px;
}

.form-group {
    margin-bottom: 16px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
}