:root {
    /* Color Palette - Adventure Theme */
    --color-bg-dark: #1F2922;
    /* Deep forest green / dark earthy tone */
    --color-bg-light: #F4F1EA;
    /* Sand / Canvas */
    --color-accent-gold: #D4A373;
    /* Earthy wood / desert sand */
    --color-accent-hover: #C58A51;
    --color-text-main: #E8EBE9;
    --color-text-muted: #A3B1AA;
    --color-dark-card: #2B3A30;
    /* Darker green */
    --color-dark-nav: rgba(31, 41, 34, 0.95);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Outfit', sans-serif;

    /* Spacing */
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 8rem;

    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

/* Typography Base */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    color: #ffffff;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 4px;
    font-weight: 600;
    font-family: var(--font-body);
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    outline: none;
}

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

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(212, 175, 55, 0.2);
}

.btn-large {
    padding: 1.2rem 3rem;
    font-size: 1rem;
}

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

.navbar.scrolled {
    background: var(--color-dark-nav);
    backdrop-filter: blur(10px);
    padding: 1rem 5%;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 1px;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    font-size: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
}

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

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

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

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

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.2s ease-in-out, transform 6s ease-out;
    transform: scale(1.05);
    /* Slight zoom for dynamic feel */
}

.carousel-slide.active {
    opacity: 1;
    transform: scale(1);
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(15, 23, 42, 0.4) 0%, rgba(31, 41, 34, 0.9) 100%);
    z-index: 1;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.3);
    color: white;
    font-size: 2rem;
    padding: 1rem 1.5rem;
    border: none;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition-smooth);
    border-radius: 50%;
    backdrop-filter: blur(5px);
}

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

.prev-btn {
    left: 20px;
}

.next-btn {
    right: 20px;
}

.carousel-indicators {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.indicator.active {
    background: var(--color-accent-gold);
    width: 35px;
    border-radius: 6px;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1.2s ease forwards;
}

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

.hero .subtitle {
    font-family: var(--font-body);
    color: var(--color-accent-gold);
    text-transform: uppercase;
    letter-spacing: 4px;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.hero .title {
    font-size: 5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.hero .description {
    font-size: 1.2rem;
    color: var(--color-text-main);
    margin-bottom: 2.5rem;
    font-weight: 300;
}

/* --- Layout & Utilities --- */
.py-section {
    padding: var(--spacing-xxl) 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

.section-subtitle {
    font-family: var(--font-body);
    color: var(--color-accent-gold);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- About Section --- */
.about {
    background-color: var(--color-bg-light);
    color: var(--color-dark-card);
}

.about .section-title {
    color: var(--color-dark-card);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: #475569;
}

.feature-list {
    list-style: none;
    margin-top: 2rem;
}

.feature-list li {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    font-weight: 500;
}

.feature-list .icon {
    color: var(--color-accent-gold);
    margin-right: 1rem;
    font-size: 1.2rem;
}

.about-image {
    position: relative;
    border-radius: 8px;
}

.about-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 2;
    transition: var(--transition-smooth);
}

.about-image:hover img {
    transform: scale(1.02);
}

.image-accent {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--color-accent-gold);
    border-radius: 8px;
    z-index: 1;
}

/* --- Utilities --- */
.text-center {
    text-align: center;
}

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

/* --- Pricing Section --- */
.pricing {
    background-color: var(--color-bg-dark);
}

.pricing-card {
    background-color: var(--color-dark-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.pricing-header {
    background: linear-gradient(135deg, var(--color-dark-card), #162032);
    padding: 3rem 2rem;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-accent-gold);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.price {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

.price .currency {
    font-size: 1.2rem;
    font-weight: 500;
}

.price .amount {
    font-size: 4rem;
    font-family: var(--font-heading);
    font-weight: 700;
}

.price .duration {
    font-size: 1rem;
    color: var(--color-text-muted);
}

.pricing-body {
    padding: 3rem 4rem;
    text-align: center;
}

.inclusions-list {
    list-style: none;
    text-align: left;
    margin-bottom: 2.5rem;
}

.inclusions-list li {
    padding: 0.8rem 0;
    font-size: 1.1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
}

.inclusions-list .check {
    color: #10b981;
    /* Emerald Green */
    margin-right: 1rem;
    font-weight: bold;
}

.booking-terms {
    background-color: rgba(212, 175, 55, 0.05);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    border-left: 3px solid var(--color-accent-gold);
    text-align: left;
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.booking-terms strong {
    color: var(--color-text-main);
}

/* --- Itinerary Timeline --- */
.itinerary {
    background-color: var(--color-bg-light);
    color: var(--color-bg-dark);
}

.itinerary .section-title {
    color: var(--color-bg-dark);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 2px;
    background-color: var(--color-accent-gold);
    top: 0;
    bottom: 0;
    left: 40px;
    margin-left: -1px;
}

.timeline-item {
    padding: 2rem 0 2rem 100px;
    position: relative;
    background-color: inherit;
    width: 100%;
}

.timeline-dot {
    position: absolute;
    width: 20px;
    height: 20px;
    right: -10px;
    background-color: var(--color-bg-light);
    border: 4px solid var(--color-accent-gold);
    top: 2.5rem;
    left: 30px;
    border-radius: 50%;
    z-index: 1;
}

.timeline-content {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    position: relative;
}

.timeline-date {
    color: var(--color-accent-gold);
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.timeline-content h3 {
    color: var(--color-dark-card);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.timeline-content p {
    color: #64748b;
    margin-bottom: 1rem;
}

.timeline-content strong {
    color: var(--color-dark-card);
}

.timeline-content img {
    width: 100%;
    border-radius: 6px;
    margin-top: 1rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* --- Gallery Section --- */
.gallery {
    background-color: var(--color-bg-dark);
    position: relative;
}

.gallery .section-title {
    color: var(--color-text-main);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    aspect-ratio: 4/3;
    border: 1px solid rgba(212, 163, 115, 0.1);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1), filter 0.6s ease;
    filter: brightness(0.8) contrast(1.1) saturate(1.1);
}

.gallery-item:hover img {
    transform: scale(1.08);
    filter: brightness(1.1) contrast(1.0) saturate(1.2);
}

/* Responsive */
@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

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

    .hero .title {
        font-size: 3.5rem;
    }

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

    .pricing-body {
        padding: 2rem;
    }

    .timeline::after {
        left: 20px;
    }

    .timeline-item {
        padding: 2rem 0 2rem 60px;
    }

    .timeline-dot {
        left: 10px;
    }

    .carousel-btn {
        padding: 0.5rem 1.2rem;
        font-size: 1.5rem;
    }

    .hero-content {
        padding: 0 40px;
        /* Make space for carousel buttons */
    }
}

@media (max-width: 480px) {
    .hero .title {
        font-size: 2.5rem;
    }

    .price .amount {
        font-size: 3rem;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .pricing-header h3 {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .carousel-btn {
        display: none;
        /* Hide side arrows on very small screens, rely on indicators/swipes */
    }

    .btn-large {
        padding: 1rem 2rem;
    }
}

/* --- Booking Section --- */
.booking {
    position: relative;
    padding: var(--spacing-xxl) 0;
    text-align: center;
    background-image: url('assets/gallery/train.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: #ffffff;
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.booking-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(31, 41, 34, 0.8), rgba(31, 41, 34, 0.95));
    z-index: 1;
}

.booking-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.booking .section-subtitle {
    color: var(--color-accent-gold) !important;
}

.booking-description {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    color: var(--color-text-muted);
    line-height: 1.8;
}

.btn-book-now {
    background-color: var(--color-accent-gold);
    color: var(--color-bg-dark);
    padding: 1.5rem 4rem;
    font-size: 1.1rem;
    border-radius: 50px;
    box-shadow: 0 15px 30px rgba(212, 163, 115, 0.3);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 2px;
}

.btn-book-now:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 20px 40px rgba(212, 163, 115, 0.4);
}

/* --- Footer Redesign --- */
.footer {
    background-color: #161D18;
    /* Darker than main bg */
    padding: var(--spacing-xl) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-brand .logo {
    margin-bottom: 0.5rem;
}

.footer-brand p {
    font-style: italic;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

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

.footer-links a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

@media (max-width: 768px) {
    .booking-details {
        gap: 1.5rem;
    }

    .footer-grid {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .footer-links ul {
        flex-direction: column;
        gap: 1rem;
    }
}