/* =========================================
   VARIABLES & DESIGN SYSTEM
   ========================================= */
:root {
    /* Colors - Dark Luxury Theme */
    --primary: #D4AF37; /* Metallic Gold */
    --primary-hover: #b5952f;
    --bg-main: #0B0C10; /* Deep Dark */
    --bg-surface: #1F2833; /* Dark Slate */
    --bg-surface-light: #2c3846;
    --text-primary: #FFFFFF;
    --text-secondary: #C5C6C7;
    --border-color: rgba(255, 255, 255, 0.1);
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --section-padding: 100px 0;
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
}

/* =========================================
   RESET & GLOBAL STYLES
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

p {
    color: var(--text-secondary);
}

.section-padding {
    padding: var(--section-padding);
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    color: var(--primary);
}

.section-title p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.grid {
    display: grid;
    gap: 32px;
}

/* =========================================
   BUTTONS
   ========================================= */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--bg-main);
    font-weight: 600;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(212, 175, 55, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}

.btn-outline:hover {
    background-color: var(--primary);
    color: var(--bg-main);
}

/* =========================================
   NAVBAR
   ========================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 24px 0;
    transition: var(--transition-fast);
}

.navbar.scrolled {
    padding: 16px 0;
    background-color: rgba(11, 12, 16, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 1px;
}

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

.nav-links a {
    font-weight: 500;
    font-size: 1rem;
    position: relative;
    transition: var(--transition-fast);
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    bottom: -6px;
    left: 0;
    transition: var(--transition-fast);
}

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

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

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
}

/* =========================================
   HERO SECTION
   ========================================= */
.hero {
    height: 100vh;
    min-height: 800px;
    position: relative;
    display: flex;
    align-items: center;
    background-image: url('../assets/hero_bg.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(11,12,16,0.3) 0%, rgba(11,12,16,0.8) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding-top: 80px;
}

.hero h1 {
    font-size: 4.5rem;
    margin-bottom: 24px;
    color: var(--text-primary);
    text-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-primary);
    max-width: 700px;
    margin: 0 auto 60px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

/* Search Form */
.search-form {
    display: flex;
    background: rgba(31, 40, 51, 0.85);
    backdrop-filter: blur(16px);
    border-radius: var(--radius-lg);
    padding: 16px;
    max-width: 900px;
    margin: 0 auto;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    align-items: center;
}

.input-group {
    flex: 1;
    padding: 0 24px;
    border-right: 1px solid rgba(255,255,255,0.1);
    text-align: left;
}

.input-group:last-of-type {
    border-right: none;
}

.input-group label {
    display: block;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.input-group input {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: var(--font-body);
    outline: none;
}

.input-group input::placeholder {
    color: rgba(197, 198, 199, 0.5);
}

/* Fix for date picker icon on dark mode */
input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
    opacity: 0.5;
    cursor: pointer;
}

.btn-search {
    padding: 20px 40px;
    border-radius: var(--radius-md);
    margin-left: 16px;
}

/* =========================================
   POPULAR DESTINATIONS
   ========================================= */
.destination-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.dest-card {
    background-color: var(--bg-surface);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition-slow);
    border: 1px solid transparent;
}

.dest-card:hover {
    transform: translateY(-10px);
    border-color: rgba(212, 175, 55, 0.3);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.dest-img {
    height: 250px;
    background-size: cover;
    background-position: center;
    position: relative;
    transition: var(--transition-slow);
}

.dest-card:hover .dest-img {
    transform: scale(1.05);
}

.rating {
    position: absolute;
    top: 16px;
    right: 16px;
    background: rgba(11, 12, 16, 0.8);
    backdrop-filter: blur(4px);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.rating i {
    color: var(--primary);
    margin-right: 4px;
}

.dest-info {
    padding: 24px;
    position: relative;
    background-color: var(--bg-surface);
    z-index: 2;
}

.dest-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.dest-header h3 {
    font-size: 1.5rem;
}

.price {
    font-size: 1.25rem;
    color: var(--primary);
    font-weight: 600;
    font-family: var(--font-heading);
}

.location {
    font-size: 0.875rem;
}

.location i {
    color: var(--primary);
    margin-right: 8px;
}

/* =========================================
   PACKAGES
   ========================================= */
.package-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    align-items: center;
}

.package-card {
    background-color: var(--bg-surface);
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition-slow);
    border: 1px solid rgba(255,255,255,0.05);
    position: relative;
    overflow: hidden;
}

.package-card:hover {
    transform: translateY(-10px);
    border-color: rgba(212, 175, 55, 0.2);
}

.package-card.premium {
    background: linear-gradient(145deg, var(--bg-surface) 0%, #151b22 100%);
    border-color: var(--primary);
    padding: 56px 32px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    transform: scale(1.05);
}

.package-card.premium:hover {
    transform: scale(1.05) translateY(-10px);
}

.premium-badge {
    position: absolute;
    top: 24px;
    right: -32px;
    background-color: var(--primary);
    color: var(--bg-main);
    padding: 6px 40px;
    transform: rotate(45deg);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.package-icon {
    width: 72px;
    height: 72px;
    background: rgba(212, 175, 55, 0.1);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 24px;
}

.package-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.package-price {
    font-size: 2.5rem;
    font-family: var(--font-heading);
    color: var(--primary);
    margin-bottom: 32px;
}

.package-price span {
    font-size: 1rem;
    color: var(--text-secondary);
    font-family: var(--font-body);
}

.package-features {
    text-align: left;
    margin-bottom: 40px;
}

.package-features li {
    margin-bottom: 16px;
    display: flex;
    align-items: center;
}

.package-features i {
    color: var(--primary);
    margin-right: 12px;
    font-size: 0.875rem;
}

.package-card .btn {
    width: 100%;
}

/* =========================================
   WHY CHOOSE US
   ========================================= */
.why-us {
    background-color: var(--bg-surface);
    border-top: 1px solid rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.why-us-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.why-us h2 {
    color: var(--primary);
}

.why-us > .container > .why-us-content > .text-content > p {
    margin-bottom: 60px;
    font-size: 1.1rem;
}

.features-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    text-align: left;
}

.feature-item {
    display: flex;
    align-items: flex-start;
}

.feature-icon {
    width: 56px;
    height: 56px;
    min-width: 56px;
    background: rgba(212, 175, 55, 0.1);
    color: var(--primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-right: 24px;
}

.feature-item h4 {
    font-size: 1.25rem;
    margin-bottom: 8px;
    font-family: var(--font-body);
}

.feature-item p {
    font-size: 0.875rem;
}

/* =========================================
   CUSTOMER REVIEWS
   ========================================= */
.testimonial-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    text-align: center;
}

.testimonial {
    display: none;
    padding: 0 40px;
    animation: fadeEffect 1s ease;
}

.testimonial.active {
    display: block;
}

@keyframes fadeEffect {
    from {opacity: 0;}
    to {opacity: 1;}
}

.quote {
    font-size: 1.5rem;
    font-family: var(--font-heading);
    color: var(--text-primary);
    font-style: italic;
    margin-bottom: 32px;
    line-height: 1.8;
}

.quote::before {
    content: '\201C';
    font-size: 4rem;
    color: var(--primary);
    opacity: 0.3;
    position: absolute;
    top: -20px;
    left: 0;
    font-family: serif;
}

.client-info h4 {
    color: var(--primary);
    font-size: 1.1rem;
    font-family: var(--font-body);
}

.client-info span {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.slider-controls {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 40px;
}

.slider-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--bg-surface);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.slider-btn:hover {
    background: var(--primary);
    color: var(--bg-main);
    border-color: var(--primary);
}

/* =========================================
   NEWSLETTER
   ========================================= */
.newsletter-box {
    background: linear-gradient(135deg, var(--bg-surface) 0%, #151b22 100%);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: var(--radius-lg);
    padding: 80px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.newsletter-box::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(212,175,55,0.1) 0%, rgba(0,0,0,0) 70%);
    border-radius: 50%;
    transform: translate(30%, -30%);
}

.newsletter-box h2 {
    color: var(--primary);
}

.newsletter-box p {
    margin-bottom: 40px;
    font-size: 1.1rem;
}

.newsletter-form {
    display: flex;
    max-width: 500px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.newsletter-form input {
    flex: 1;
    padding: 16px 24px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(11,12,16,0.5);
    color: var(--text-primary);
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    font-family: var(--font-body);
    outline: none;
    transition: var(--transition-fast);
}

.newsletter-form input:focus {
    border-color: var(--primary);
}

.newsletter-form .btn {
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* =========================================
   FOOTER
   ========================================= */
.footer {
    background-color: #050608;
    padding-top: 80px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-col .logo {
    display: inline-block;
    margin-bottom: 24px;
}

.footer-col p {
    margin-bottom: 24px;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--bg-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition-fast);
}

.social-links a:hover {
    background: var(--primary);
    color: var(--bg-main);
    transform: translateY(-3px);
}

.footer-col h4 {
    font-size: 1.25rem;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.footer-col ul li {
    margin-bottom: 16px;
}

.footer-col ul li a {
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.footer-col ul li a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.contact-info li {
    display: flex;
    align-items: flex-start;
    color: var(--text-secondary);
}

.contact-info i {
    color: var(--primary);
    margin-right: 12px;
    margin-top: 4px;
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-bottom p {
    font-size: 0.875rem;
    margin: 0;
}

/* =========================================
   ANIMATIONS & RESPONSIVE
   ========================================= */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.slide-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-up {
    animation: slideUpFade 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

.delay-1 { animation-delay: 0.2s; transition-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; transition-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; transition-delay: 0.6s; }

@keyframes slideUpFade {
    0% {
        opacity: 0;
        transform: translateY(40px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .hero h1 { font-size: 3.5rem; }
    .search-form { flex-direction: column; padding: 24px; gap: 16px; }
    .input-group { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.1); padding: 16px 0; width: 100%; }
    .input-group:last-of-type { border-bottom: none; }
    .btn-search { width: 100%; margin-left: 0; margin-top: 16px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .package-card.premium { transform: scale(1); }
    .package-card.premium:hover { transform: translateY(-10px); }
}

@media (max-width: 768px) {
    .nav-links, .navbar .btn-primary { display: none; }
    .mobile-menu-btn { display: block; }
    .hero h1 { font-size: 2.5rem; }
    .section-padding { padding: 60px 0; }
    .footer-grid { grid-template-columns: 1fr; gap: 40px; }
    .newsletter-form { flex-direction: column; gap: 16px; }
    .newsletter-form input { border-radius: var(--radius-sm); }
    .newsletter-form .btn { border-radius: var(--radius-sm); }
}