/* CSS Variables for Earthy, Organic Theme */
:root {
    --color-bg-light: #f9f6f0; /* Warm off-white / parchment */
    --color-bg-dark: #3a3531; /* Charcoal brown */
    --color-bg-earthy: #e8dfd5; /* Light clay */
    
    --color-text-main: #2c2825; /* Dark brown */
    --color-text-light: #f9f6f0;
    
    --color-accent-primary: #a65d37; /* Terracotta / Burnt Sienna */
    --color-accent-secondary: #6b705c; /* Muted forest green */
    --color-accent-hover: #8a4a29;
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Lora', serif;
    
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-text-main);
    background-color: var(--color-bg-light);
    line-height: 1.6;
    font-size: 18px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1.5rem;
}

a {
    color: var(--color-accent-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.text-center { text-align: center; }
.mb-4 { margin-bottom: 2rem; }
.max-w-800 { max-width: 800px; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.btn-primary {
    background-color: var(--color-accent-primary);
    color: var(--color-text-light);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    color: var(--color-text-light);
    transform: translateY(-2px);
}

/* Navigation */
.navbar {
    padding: 1.5rem 0;
    background-color: var(--color-bg-light);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo h2 {
    margin: 0;
    font-size: 1.8rem;
    letter-spacing: 1px;
}

.logo span {
    font-weight: 400;
    color: var(--color-accent-primary);
}

.lang-switch button {
    background: none;
    border: none;
    font-family: var(--font-body);
    font-size: 1rem;
    cursor: pointer;
    margin-left: 1rem;
    color: #888;
    transition: color 0.3s ease;
}

.lang-switch button.active {
    color: var(--color-text-main);
    font-weight: 600;
    border-bottom: 2px solid var(--color-accent-primary);
}

/* Sections */
.section-light {
    background-color: var(--color-bg-light);
    padding: var(--spacing-xl) 0;
}

.section-earthy {
    background-color: var(--color-bg-earthy);
    padding: var(--spacing-xl) 0;
}

.section-dark {
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--color-accent-primary);
}

.text-center .section-title::after {
    left: 50%;
    transform: translateX(-50%);
}

/* Hero Section */
.hero {
    position: relative;
    height: 80vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    background-image: url('images/wild-clay-safari-hdr.webp');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(44, 40, 37, 0.6);
}

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

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    color: var(--color-text-light);
}

.hero .subtitle {
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
    font-style: italic;
    color: #e8dfd5;
}

/* Concept & Basecamp (Two Column Layouts) */
.concept-container, .basecamp-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.rounded-img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    object-fit: cover;
}

.shadow {
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.feature-list {
    list-style: none;
    margin-top: 1.5rem;
}

.feature-list li {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
}

.feature-list li::before {
    content: '•';
    color: var(--color-accent-primary);
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -5px;
}

/* Basecamp Paper Texture */
.basecamp-text {
    background-color: #f6f1e9; /* Subtle warm paper tone */
    /* SVG Noise Filter for paper grain */
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.04'/%3E%3C/svg%3E");
    padding: 3rem;
    border-radius: 4px;
    box-shadow: inset 0 0 50px rgba(139, 51, 22, 0.03), 0 10px 30px rgba(0,0,0,0.03);
    border: 1px solid rgba(139, 51, 22, 0.08); /* Faint earthy outline */
}

@media (max-width: 768px) {
    .basecamp-text {
        padding: 2rem 1.5rem;
    }
}

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

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 24px;
    height: 100%;
    width: 2px;
    background-color: rgba(166, 93, 55, 0.3);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 80px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-icon {
    position: absolute;
    left: 0;
    top: 0;
    width: 50px;
    height: 50px;
    background-color: var(--color-bg-light);
    border: 2px solid var(--color-accent-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-accent-primary);
    z-index: 2;
}

.timeline-content h3 {
    color: var(--color-accent-primary);
    margin-bottom: 0.5rem;
}

/* Ethics Section */
.ethics-section {
    position: relative;
    padding: var(--spacing-xl) 0;
    color: var(--color-text-light);
    background-image: url('images/ethics-bg.webp');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.ethics-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(58, 53, 49, 0.85); /* Dark earthy overlay */
}

.ethics-content {
    position: relative;
    z-index: 1;
}

/* Form */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-form input, .contact-form select {
    padding: 1rem;
    font-family: var(--font-body);
    font-size: 1rem;
    border: 1px solid #ccc;
    background-color: #fff;
    border-radius: 2px;
}

.contact-form input:focus, .contact-form select:focus {
    outline: none;
    border-color: var(--color-accent-primary);
}

/* Footer */
.footer {
    background-color: #221f1d;
    color: #aaa;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    margin-bottom: 3rem;
    gap: 2rem;
}

.footer-logo h3 {
    color: var(--color-text-light);
    margin-bottom: 0.5rem;
}

.footer-logo span {
    color: var(--color-accent-primary);
    font-weight: 400;
}

.footer-logo img {
    margin: 0 auto 1.5rem auto;
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

.footer-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.footer-links a {
    color: #ccc;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .hero .subtitle { font-size: 1.2rem; }
    
    .concept-container, .basecamp-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .basecamp-container {
        display: flex;
        flex-direction: column-reverse;
    }
    
    .timeline::before { left: 20px; }
    .timeline-item { padding-left: 60px; }
    .timeline-icon { width: 40px; height: 40px; font-size: 1.2rem; }
    
    .footer-content { flex-direction: column; text-align: center; }
}