:root {
    /* Colors */
    --color-turquoise: #40E0D0;
    --color-beige: #F5F5DC;
    --color-pale-green: #98FB98;
    --color-pale-orange: #FFDAB9;
    --color-pastel-blue: #AEC6CF;
    
    --color-primary: #1A535C; /* Darker teal for contrast */
    --color-secondary: #4ECDC4;
    --color-accent: #FF6B6B;
    --color-background: #F7FFF7;
    --color-text: #1A535C;
    --color-text-light: #F7FFF7;
    --color-white: #FFFFFF;
    
    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Montserrat', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    
    /* Transitions */
    --transition-smooth: all 0.3s ease;
    
    /* Container */
    --container-max-width: 1200px;

    /* Navbar */
    --navbar-height: 100px;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px; /* Accounts for fixed navbar height */
}

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

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

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

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

ul {
    list-style: none;
}

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

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: var(--color-secondary);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.btn-whatsapp {
    background-color: #25D366;
    color: white;
    display: flex;
    align-items: center;
    gap: 10px;
}

.testimonials-grid a.btn {
    grid-column: 1 / -1;
    justify-self: center; /* prevents full stretching */
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--navbar-height);

    background-color: rgba(255, 255, 255, 0.95);
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: var(--transition-smooth);

    display: flex;
    align-items: center;
}

.navbar.scrolled {
    padding: 10px 0;
    background-color: rgba(255, 255, 255, 0.98);
}

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

    width: 100%;
    padding: 0 var(--spacing-md);
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

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

.nav-menu ul {
    display: flex;
    gap: var(--spacing-md);
}

.nav-menu a:hover {
    color: var(--color-secondary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

/* Hero Section */
.hero {
    height: 100vh;
    background-image: url('../img/hero_image.webp');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    position: relative;
    color: var(--color-white);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.2));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero h1 {
    font-size: 3.5rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

.hero-btns {
    display: flex;
    gap: var(--spacing-sm);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-card {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--color-white);
    border-radius: 15px;
    transition: var(--transition-smooth);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

/* Tours Section */
.tours-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.tour-card {
    background: var(--color-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: var(--transition-smooth);
}

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

.tour-image {
    height: 250px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.tour-price {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--color-secondary);
    color: var(--color-white);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 700;
}

.tour-info {
    padding: var(--spacing-md);
}

.tour-meta {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
}

.tour-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--spacing-md);
}

.btn-outline {
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    background: transparent;
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
}

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

/* Instagram Grid */
.insta-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.insta-item {
    aspect-ratio: 1;
}

.insta-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 10px;
}

/* Footer */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-sm);
}

.footer h3, .footer h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: var(--spacing-lg);
}

.footer-links ul li {
    margin-bottom: 0.5rem;
}

.footer-contact p {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.social-icons {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.social-icons i {
    font-size: 1.5rem;
}

.footer-bottom {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.9rem;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

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

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-white);
        display: none;
        padding: var(--spacing-md);
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        z-index: 1001;
    }

    .nav-menu.active {
        display: block;
    }

    .nav-menu ul {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .insta-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-image img {
        width: 100%;
        height: auto;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero { 
        background-image: url('../img/hero_image_mobile.webp'); }
}

.section-padding {
    padding: var(--spacing-lg) 0;
}

/* Adjust for fixed header on internal pages */
main, .page-header {
    padding-top: var(--navbar-height);
}

/* Tour Detail Page */
.tour-header {
    margin-bottom: var(--spacing-md);
}

.tour-tagline {
    font-size: 1.2rem;
    color: var(--color-primary);
    font-weight: 600;
}

.tour-gallery-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-sm);
    height: 500px;
    margin-bottom: var(--spacing-lg);
}

.main-img {
    background-size: cover;
    background-position: center;
    border-radius: 20px 0 0 20px;
}

.side-imgs {
    display: grid;
    grid-template-rows: 1fr 1fr;
    gap: var(--spacing-sm);
}

.side-imgs div {
    background-size: cover;
    background-position: center;
}

.side-imgs div:first-child {
    border-radius: 0 20px 0 0;
}

.side-imgs div:last-child {
    border-radius: 0 0 20px 0;
}

.tour-content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
}

.tour-description h3 {
    margin: var(--spacing-md) 0 var(--spacing-sm);
}

.tour-description ul li {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.tour-description i {
    color: var(--color-secondary);
}

.booking-card {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    position: sticky;
    top: 100px;
}

.booking-card .price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
}

.price-detail {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: var(--spacing-sm);
}

.booking-meta {
    margin: var(--spacing-sm) 0 var(--spacing-md);
}

.booking-meta p {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

.booking-note {
    font-size: 0.8rem;
    color: #999;
    text-align: center;
    margin-top: 10px;
}

@media (max-width: 768px) {
    .tour-gallery-grid {
        grid-template-columns: 1fr;
        height: auto;
    }
    
    .main-img {
        height: 300px;
        border-radius: 20px;
    }
    
    .side-imgs {
        display: none;
    }
    
    .tour-content-grid {
        grid-template-columns: 1fr;
    }
    
    .booking-card {
        position: static;
        margin-top: var(--spacing-md);
    }
}