/* --- Global Styles --- */
:root {
    --primary-color: #0d6e6e; /* Teal accent */
    --secondary-color: #4a5568; /* Warm Gray */
    --dark-green: #1a3a3a;
    --white: #ffffff;
    --light-gray: #f7fafc;
    --body-font: 'Arial', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--body-font);
    color: #333;
    line-height: 1.6;
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* --- Buttons --- */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 5px;
    font-weight: bold;
    text-transform: uppercase;
    transition: background 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--dark-green);
}

.btn-secondary {
    background-color: var(--light-gray);
    color: #333;
    border: 1px solid #ddd;
}

.btn-secondary:hover {
    background-color: #e2e8f0;
}

.btn-affiliate {
    background-color: #c05621; /* Burnt orange for affiliate CTAs */
    color: var(--white);
}

.btn-affiliate:hover {
    background-color: #9c4217;
}

/* --- Header --- */
header {
    background-color: var(--white);
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--dark-green);
    display: flex;
    align-items: center;
    gap: 10px;
}

nav ul {
    display: flex;
    gap: 30px;
}

nav a:hover {
    color: var(--primary-color);
}

.header-icons {
    display: flex;
    gap: 20px;
    font-size: 1.2rem;
    color: var(--secondary-color);
}

#hamburger {
    display: none; /* Hidden on desktop */
    cursor: pointer;
}

/* --- Hero Section --- */
.hero {
    margin-top: 80px; /* Offset for fixed header */
    height: 80vh;
    background: url('https://via.placeholder.com/1600x900?text=Hiking+Mountains') no-repeat center center/cover;
    color: var(--white);
    position: relative;
}

.hero-overlay {
    background-color: rgba(0, 0, 0, 0.3); /* Transparent overlay */
    height: 100%;
    width: 100%;
    display: flex;
    align-items: center;
}

.hero-content {
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

/* --- Featured Categories --- */
.categories {
    padding: 60px 0;
}

.categories h2, .reviews h2 {
    text-align: center;
    color: var(--dark-green);
    margin-bottom: 40px;
    font-size: 2rem;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.category-card {
    background: var(--light-gray);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.category-card img {
    max-width: 100%;
    border-radius: 5px;
    margin-bottom: 20px;
}

.category-card h3 {
    color: var(--dark-green);
    margin-bottom: 10px;
}

/* --- Reviews --- */
.reviews {
    padding-bottom: 60px;
}

.review-grid {
    display: grid;
    grid-template-columns: 1fr; /* Single column for top reviews conceptually */
    gap: 30px;
}

.review-card {
    background: var(--white);
    padding: 30px;
    border: 1px solid #eee;
    border-radius: 8px;
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 20px;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.review-card img {
    max-width: 100%;
}

.review-card h3 {
    margin-bottom: 5px;
    color: var(--dark-green);
}

.rating {
    color: #f6ad55;
    margin-bottom: 10px;
    font-weight: bold;
}

.card-buttons {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

/* --- Footer --- */
footer {
    background-color: var(--dark-green);
    color: var(--white);
    padding: 30px 0;
    text-align: center;
}

footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.social-links {
    display: flex;
    gap: 15px;
}

/* --- Mobile Responsive --- */
@media (max-width: 768px) {
    nav ul {
        display: none; /* Hide standard menu */
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: var(--white);
        padding: 20px;
        box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    }
    
    nav ul.active {
        display: flex; /* Show menu when active */
    }

    #hamburger {
        display: block; /* Show hamburger */
    }

    .hero h1 {
        font-size: 2rem;
    }

    .review-card {
        grid-template-columns: 1fr; /* Stack visually */
        text-align: center;
    }

    .review-card img {
        margin: 0 auto;
    }

    .card-buttons {
        justify-content: center;
    }
}