/* ==========================================================================
   CSS Variables & Theme Configuration 
   ========================================================================== */
:root {
    /* Colors - Dark Cinematic Mode */
    --bg-main: #0c0d11;
    --bg-secondary: #14161b;
    --bg-card: #191b22;
    --bg-glass: rgba(20, 22, 27, 0.6);
    --border-glass: rgba(255, 255, 255, 0.08);
    
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    /* Accents */
    --accent-gold: #c39846; /* Elegant subdued gold */
    --accent-gold-hover: #dac087;
    --accent-glow: rgba(195, 152, 70, 0.3);

    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    /* Layout */
    --container-max-width: 1200px;
    --nav-height: 80px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   Reset & Base 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;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--accent-gold);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--accent-gold-hover);
}

ul {
    list-style: none;
}

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

/* Typography Base */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
}

.text-accent {
    color: var(--accent-gold);
    font-style: italic;
}

/* Utility Classes */
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }
.text-center { text-align: center; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 18px 36px;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--accent-gold);
    color: var(--bg-main);
}

.btn-primary:hover {
    background-color: var(--accent-gold-hover);
    box-shadow: 0 4px 20px var(--accent-glow);
    color: #000;
}

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

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

/* Section Globals */
.section-padding {
    padding: 100px 0;
}

.dark-section {
    background-color: var(--bg-secondary);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-title {
    font-size: 2.8rem;
    margin-bottom: 16px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* ==========================================================================
   Header / Navbar
   ========================================================================== */
#main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    z-index: 1000;
    transition: var(--transition-smooth);
    border-bottom: 1px solid transparent;
}

#main-header.scrolled {
    background-color: rgba(12, 13, 17, 0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-glass);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.footer-logo {
    height: 56px;
    width: auto;
    object-fit: contain;
    margin-bottom: 20px;
}

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

.nav-menu a {
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-gold);
    transition: var(--transition-smooth);
}

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

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

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

.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.hero-slide::after {
    content: '';
    position: absolute;
    inset: 0;
    background: inherit;
    transform: scale(1.05); /* Slight zoom effect for cinematic feel */
}

.hero-slide.active {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    /* Gradient overlay to ensure text readability */
    background: linear-gradient(to bottom, rgba(12, 13, 17, 0.4) 0%, rgba(12, 13, 17, 0.9) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
    padding-top: 60px; /* Offset for header */
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    margin-bottom: 24px;
    line-height: 1.1;
    color: #fff;
    text-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

.hero-desc {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: 1.5rem;
    margin-top: 8px;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
    40% { transform: translateY(-10px) translateX(-50%); }
    60% { transform: translateY(-5px) translateX(-50%); }
}

/* ==========================================================================
   Featured Trips
   ========================================================================== */
.trips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.trip-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.trip-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.5);
    border-color: var(--accent-gold);
}

.trip-img {
    position: relative;
    /* height: 240px; Dihapus agar mengikuti tinggi rasio foto asli */
    overflow: hidden;
}

.trip-img img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.trip-card:hover .trip-img img {
    transform: scale(1.08);
}

.trip-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--bg-glass);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #fff;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 1px solid var(--border-glass);
}

/* Coming Soon Mode */
.trip-img.is-coming-soon img {
    filter: blur(4px) brightness(0.4) grayscale(0.5);
}
.trip-card:hover .trip-img.is-coming-soon img {
    transform: scale(1.05);
    filter: blur(2px) brightness(0.6) grayscale(0.2);
}
.coming-soon-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    pointer-events: none;
}
.coming-soon-overlay span {
    font-family: 'Playfair Display', serif;
    font-size: 1.6rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 3px;
    text-shadow: 0 0 20px rgba(195,152,70,0.8);
    border: 1px solid rgba(195,152,70,0.5);
    padding: 8px 16px;
    background: rgba(12,13,17,0.4);
    backdrop-filter: blur(4px);
    border-radius: 4px;
    opacity: 0;
    transform: translateY(15px);
    animation: slideUpFade 0.6s ease forwards;
}

@keyframes slideUpFade {
    to { transform: translateY(0); opacity: 1; }
}

.trip-info {
    padding: 24px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.trip-info h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.trip-excerpt {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
    flex-grow: 1;
}

.trip-meta {
    display: flex;
    justify-content: space-between;
    border-top: 1px solid var(--border-glass);
    border-bottom: 1px solid var(--border-glass);
    padding: 16px 0;
    margin-bottom: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.trip-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.trip-meta i {
    color: var(--accent-gold);
    font-size: 1.1rem;
}

.trip-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.trip-price {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: #fff;
}

/* ==========================================================================
   Experience / About Section
   ========================================================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-content h2.section-title {
    text-align: left;
    margin-bottom: 24px;
}

.about-content p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 16px;
}

.features-list {
    margin-top: 32px;
}

.features-list li {
    display: flex;
    gap: 20px;
    margin-bottom: 24px;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--accent-gold);
    flex-shrink: 0;
}

.feature-text h4 {
    font-family: var(--font-body);
    font-size: 1.1rem;
    margin-bottom: 6px;
    color: #fff;
}

.feature-text p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.6);
}

.experience-card {
    position: absolute;
    bottom: -30px;
    left: -30px;
    background: var(--bg-card);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-glass);
    border-left: 4px solid var(--accent-gold);
    max-width: 250px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.experience-card h3 {
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--accent-gold);
    line-height: 1;
    margin-bottom: 8px;
}

.experience-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.4;
}

/* ==========================================================================
   Gallery Section
   ========================================================================== */
.masonry-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    grid-auto-rows: 250px;
    gap: 20px;
    grid-auto-flow: dense;
}

.gallery-item {
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    cursor: zoom-in;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(12, 13, 17, 0.4);
    opacity: 0;
    transition: var(--transition-fast);
    pointer-events: none;
}

.gallery-item:hover::after {
    opacity: 1;
}

/* Masonry spans for variation */
@media (min-width: 768px) {
    .gallery-item.wide { grid-column: span 2; }
    .gallery-item.tall { grid-row: span 2; }
}

/* ==========================================================================
   Blog Section
   ========================================================================== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.5);
    border-color: var(--accent-gold);
}

.blog-img {
    height: 220px;
    overflow: hidden;
}

.blog-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.blog-card:hover .blog-img img {
    transform: scale(1.08);
}

.blog-info {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.blog-meta {
    display: flex;
    justify-content: space-between;
    color: var(--accent-gold);
    font-size: 0.85rem;
    margin-bottom: 12px;
    font-weight: 500;
}

.blog-info h3 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    line-height: 1.4;
}

.blog-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
    flex-grow: 1;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.read-more:hover {
    color: var(--accent-gold);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background-color: #08090b; /* Even darker than main bg */
    padding: 80px 0 24px;
    border-top: 1px solid var(--border-glass);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand h2 {
    font-family: var(--font-body);
    font-size: 1.5rem;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 24px;
    max-width: 300px;
}

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

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-card);
    border-radius: 50%;
    color: var(--text-secondary);
    font-size: 1.2rem;
    border: 1px solid var(--border-glass);
}

.social-links a:hover {
    background: var(--accent-gold);
    color: #000;
    border-color: var(--accent-gold);
}

.footer-links h3,
.footer-contact h3,
.footer-newsletter h3 {
    font-family: var(--font-body);
    font-size: 1.1rem;
    margin-bottom: 24px;
    color: #fff;
}

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

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

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

.contact-list li {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.contact-list i {
    color: var(--accent-gold);
    font-size: 1.2rem;
    margin-top: 2px;
}

.contact-list a {
    color: var(--text-secondary);
}

.contact-list a:hover {
    color: var(--accent-gold);
}

.footer-newsletter p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.newsletter-form {
    display: flex;
    border: 1px solid var(--border-glass);
    border-radius: 4px;
    overflow: hidden;
}

.newsletter-form input {
    flex-grow: 1;
    background: var(--bg-main);
    border: none;
    padding: 12px 16px;
    color: #fff;
}

.newsletter-form input:focus {
    outline: none;
}

.newsletter-form .btn {
    border-radius: 0;
    padding: 12px 20px;
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--border-glass);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ==========================================================================
   Responsive / Media Queries
   ========================================================================== */
@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
    }
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .experience-card {
        bottom: 20px;
        left: 20px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.8rem;
    }
    .hero-buttons {
        flex-direction: column;
    }
    
    .nav-menu {
        position: fixed;
        top: var(--nav-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--nav-height));
        background-color: var(--bg-main);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: var(--transition-smooth);
    }
    
    .nav-menu.active {
        left: 0;
    }

    .nav-menu ul {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }

    .nav-menu a {
        font-size: 1.2rem;
    }

    .mobile-toggle {
        display: block;
    }

    .header-actions .btn {
        display: none; /* Hide 'Book Now' btn on mobile header to save space, rely on mobile menu or hero */
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }
    .blog-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Booking Modal
   ========================================================================== */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    background-color: var(--bg-card);
    margin: 5% auto;
    padding: 30px;
    border: 1px solid var(--border-glass);
    width: 90%;
    max-width: 600px;
    border-radius: 12px;
    position: relative;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.close-modal {
    color: var(--text-secondary);
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition-fast);
}

.close-modal:hover {
    color: #fff;
}

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

.booking-form label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.booking-form .text-danger {
    color: #ef4444;
}

.booking-form input[type="text"],
.booking-form input[type="email"],
.booking-form textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-main);
    border: 1px solid var(--border-glass);
    border-radius: 6px;
    color: #fff;
    font-family: var(--font-body);
}

.booking-form input:focus,
.booking-form textarea:focus {
    outline: none;
    border-color: var(--accent-gold);
}

.booking-form .radio-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.booking-form .radio-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-weight: normal;
    cursor: pointer;
}

.bank-info {
    background: rgba(195, 152, 70, 0.1);
    border-left: 4px solid var(--accent-gold);
    padding: 16px;
    border-radius: 4px;
}

.bank-info p {
    margin-bottom: 4px;
    font-size: 0.9rem;
}

.mb-1 { margin-bottom: 4px; }
.mb-3 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 24px; }
.my-4 { margin-top: 24px; margin-bottom: 24px; }
.w-100 { width: 100%; }

/* Lightbox Modal */
.lightbox-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    align-items: center;
    justify-content: center;
}
.lightbox-content {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.5);
    animation: zoomIn 0.3s ease;
}
.close-lightbox {
    position: absolute;
    top: 20px;
    right: 40px;
    color: #fff;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
    user-select: none;
    z-index: 2001;
}
.close-lightbox:hover {
    color: var(--accent);
}
@keyframes zoomIn {
    from {transform: scale(0.9); opacity: 0;}
    to {transform: scale(1); opacity: 1;}
}