/* Color Palette & Variables */
:root {
    --pine-dark: #0B1C14;
    --forest-green: #1F3B2B;
    --charcoal: #121212;
    --ember: #D9531E;
    --ember-glow: #FF6B35;
    --smoke: #E0E0E0;
    --dirt: #8B7355;
}

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

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--charcoal);
    color: var(--smoke);
    line-height: 1.6;
}

h1, h2, h3, .logo-text {
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
}

/* --- Sticky Header & Navigation --- */
header {
    background-color: var(--pine-dark);
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 2px solid var(--forest-green);
    position: sticky;
    top: 0;
    z-index: 1000;
}

/* Logo Lockup */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-img {
    width: 45px; 
    height: auto; 
}

.logo-text {
    font-size: 2rem;
    font-weight: 700;
    color: var(--smoke);
    letter-spacing: 2px;
    display: flex;
    align-items: baseline;
}

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

/* CSS-Only Mobile Hamburger Menu */
.nav-toggle {
    display: none;
}

.nav-toggle-label {
    cursor: pointer;
    display: flex;
    align-items: center;
    padding: 10px;
    z-index: 1001;
}

.nav-toggle-label span,
.nav-toggle-label span::before,
.nav-toggle-label span::after {
    display: block;
    background: var(--smoke);
    height: 3px;
    width: 25px;
    border-radius: 2px;
    position: relative;
    transition: all 0.3s ease-in-out;
}

.nav-toggle-label span::before,
.nav-toggle-label span::after {
    content: '';
    position: absolute;
}

.nav-toggle-label span::before { bottom: 8px; }
.nav-toggle-label span::after { top: 8px; }

/* The Hidden Mobile Nav Menu */
.main-nav {
    display: none; 
    width: 100%;
    flex-direction: column;
    text-align: center;
    gap: 2rem;
    padding: 2rem 0;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--pine-dark);
    border-bottom: 2px solid var(--forest-green);
    box-shadow: 0 10px 20px rgba(0,0,0,0.5);
}

/* Show nav when hamburger is clicked */
.nav-toggle:checked ~ .main-nav {
    display: flex;
}

/* Animate Hamburger into an 'X' */
.nav-toggle:checked ~ .nav-toggle-label span { background: transparent; }
.nav-toggle:checked ~ .nav-toggle-label span::before { transform: rotate(45deg); bottom: 0; background: var(--ember); }
.nav-toggle:checked ~ .nav-toggle-label span::after { transform: rotate(-45deg); top: 0; background: var(--ember); }

.main-nav a {
    color: var(--smoke);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s ease;
}

.main-nav a:hover, .main-nav a:focus {
    color: var(--ember-glow);
    outline: none;
}

/* --- Hero Section --- */
.hero {
    background: linear-gradient(rgba(11, 28, 20, 0.8), rgba(18, 18, 18, 0.9)), url('https://images.unsplash.com/photo-1478131143081-80f7f84ca84d?ixlib=rb-1.2.1&auto=format&fit=crop&w=1920&q=80') center/cover;
    min-height: 50vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 3rem 1rem;
    border-bottom: 4px solid var(--ember);
}

.hero-content h1 {
    font-size: 3rem;
    color: var(--smoke);
    text-shadow: 2px 2px 10px rgba(0,0,0,0.8);
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.hero-content p {
    font-size: 1rem;
    margin-bottom: 20px;
    color: #ccc;
}

/* Mobile-First Search Bar */
.search-bar {
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

.search-bar input {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    outline: none;
    border: 2px solid var(--forest-green);
    border-radius: 4px;
    transition: border-color 0.3s;
}

.search-bar input:focus {
    border-color: var(--ember);
}

.search-bar input::placeholder {
    color: #aaa;
}

.search-bar button {
    width: 100%;
    padding: 12px;
    font-size: 1.1rem;
    font-family: 'Oswald', sans-serif;
    font-weight: 700;
    background-color: var(--ember);
    color: white;
    border: 2px solid var(--ember);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
}

.search-bar button:hover, .search-bar button:focus {
    background-color: var(--ember-glow);
    border-color: var(--ember-glow);
    outline: none;
}

/* --- Main Content & Grid --- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 1rem;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    border-left: 5px solid var(--ember);
    padding-left: 10px;
}

.campground-grid {
    display: grid;
    grid-template-columns: 1fr; 
    gap: 20px;
}

/* Status Messages (Loading/Error) */
.loading-msg, .error-msg {
    grid-column: 1 / -1;
    text-align: center;
    font-size: 1.5rem;
    font-family: 'Oswald', sans-serif;
    padding: 50px;
}

.loading-msg {
    color: var(--smoke);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { opacity: 0.5; }
    50% { opacity: 1; }
    100% { opacity: 0.5; }
}

.error-msg {
    color: var(--ember);
}

/* --- Cards --- */
.card {
    background-color: var(--pine-dark);
    border: 1px solid var(--forest-green);
    border-radius: 6px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.5);
    border-color: var(--ember);
}

.card-img {
    height: 180px;
    background-color: var(--forest-green);
    background-image: url('https://images.unsplash.com/photo-1523987355523-c7b5b0dd90a7?ixlib=rb-1.2.1&auto=format&fit=crop&w=600&q=80');
    background-size: cover;
    background-position: center;
}

.card-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-title {
    font-size: 1.3rem;
    color: var(--ember-glow);
    margin-bottom: 5px;
    line-height: 1.2;
}

.card-region {
    font-size: 0.85rem;
    color: var(--dirt);
    text-transform: uppercase;
    font-weight: bold;
    margin-bottom: 5px;
}

.sub-title {
    color: var(--dirt);
    font-size: 0.9rem;
    font-style: italic;
    margin-bottom: 10px;
}

.card-desc {
    font-size: 0.9rem;
    margin-bottom: 15px;
    flex-grow: 1;
}

/* Badges */
.badge-row {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.badge {
    background: var(--forest-green);
    color: var(--smoke);
    font-size: 0.75rem;
    font-weight: bold;
    padding: 3px 8px;
    border-radius: 3px;
    border: 1px solid var(--dirt);
}

.badge.wifi { border-color: #3498db; }
.badge.rv { border-color: var(--ember); }

.card-btn {
    display: block;
    text-align: center;
    padding: 12px;
    background-color: transparent;
    color: var(--smoke);
    border: 2px solid var(--forest-green);
    border-radius: 4px;
    text-decoration: none;
    font-family: 'Oswald', sans-serif;
    font-weight: 700;
    transition: all 0.3s;
    margin-top: auto;
}

.card-btn:hover, .card-btn:focus {
    background-color: var(--forest-green);
    color: white;
    outline: none;
}

/* --- Footer --- */
footer {
    text-align: center;
    padding: 2rem;
    background-color: var(--pine-dark);
    border-top: 2px solid var(--forest-green);
    margin-top: 3rem;
    font-family: 'Oswald', sans-serif;
    font-size: 0.9rem;
}

/* Mobile font tweak */
@media (max-width: 767px) {
    .card-title { font-size: 1.5rem; }
    .logo-text {
    font-size: 1.7rem;
}
}

/* --- TABLET & DESKTOP OVERRIDES --- */
@media (min-width: 768px) {
    header {
        padding: 1rem 5%;
    }

    /* Hide the hamburger icon on desktop */
    .nav-toggle-label {
        display: none; 
    }

    /* Reset the nav to a horizontal row on desktop */
    .main-nav {
        display: flex;
        position: static;
        flex-direction: row;
        width: auto;
        padding: 0;
        border-bottom: none;
        box-shadow: none;
        gap: 2rem;
    }
    
    .main-nav a {
        font-size: 1rem;
        text-transform: none; /* Optional: you can remove this if you want it to stay uppercase */
    }

    .hero {
        height: 60vh;
        padding: 0 2rem;
    }

    .hero-content h1 {
        font-size: 5rem;
        letter-spacing: 4px;
    }

    .hero-content p {
        font-size: 1.2rem;
    }

    .search-bar {
        flex-direction: row;
        gap: 0;
    }

    .search-bar input {
        border-radius: 4px 0 0 4px;
        border-right: none;
    }

    .search-bar button {
        width: auto;
        padding: 15px 40px;
        border-radius: 0 4px 4px 0;
    }

    .campground-grid {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        gap: 30px;
    }

    .card-img {
        height: 200px;
    }
}