:root {
    --bg-color: #f8f9fa;
    --text-color: #212529;
    --card-bg: #ffffff;
    --primary-color: #82b440;
    /* Envato Green-ish */
    --secondary-color: #6c757d;
    --border-color: #dee2e6;
    --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #212529;
        --text-color: #f8f9fa;
        --card-bg: #343a40;
        --primary-color: #82b440;
        --secondary-color: #adb5bd;
        --border-color: #495057;
    }
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

header {
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
}

.search-form {
    display: flex;
    gap: 0.5rem;
}

.search-input {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--bg-color);
    color: var(--text-color);
}

.btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    font-weight: bold;
}

.btn:hover {
    opacity: 0.9;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.2s;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.card-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.card-body {
    padding: 1rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card-title {
    font-size: 1.1rem;
    margin: 0 0 0.5rem 0;
}

.card-title a {
    color: var(--text-color);
    text-decoration: none;
}

.card-title a:hover {
    color: var(--primary-color);
}

.card-meta {
    font-size: 0.9rem;
    color: var(--secondary-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
}

.hero-section {
    padding: 2rem 0;
    text-align: center;
    background: linear-gradient(135deg, var(--card-bg) 0%, var(--bg-color) 100%);
    border-bottom: 1px solid var(--border-color);
    margin: 0 -1rem 1.5rem -1rem;
    /* Offset container side padding only */
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-color);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--secondary-color);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

.detail-view {
    padding: 2rem 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 768px) {
    .detail-view {
        grid-template-columns: 1fr;
    }
}

.detail-img {
    width: 100%;
    border-radius: 8px;
}

.description {
    line-height: 1.8;
    color: var(--text-color);
}

.description p {
    margin-bottom: 1.5rem;
}

.description ul,
.description ol {
    margin-bottom: 0;
    padding-left: 2rem;
}

.description h3,
.description h4,
.description h5 {
    margin: 2rem 0 1rem 0;
}

.description img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

.footer {
    text-align: center;
    padding: 2rem 0;
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--secondary-color);
}

/* Main Menu */
.main-menu {
    background-color: var(--card-bg);
    border-top: 1px solid var(--border-color);
    /* Separator from search row */
    padding: 0.5rem 0;
    overflow-x: auto;
    /* Scrollable on mobile */
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    margin-top: 1rem;
    /* Space from search row */
}

.menu-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 1.5rem;
}

.menu-list li {
    display: inline-block;
}

.menu-list a {
    text-decoration: none;
    color: var(--secondary-color);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.5rem 0;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

.menu-list a:hover,
.menu-list a.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

/* Dropdown Menu */
.menu-list li {
    display: inline-block;
    position: relative;
    padding-bottom: 0.5rem;
    /* Extends hover area to dropdown */
    margin-bottom: -0.5rem;
}

.has-dropdown:hover .dropdown {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown {
    display: none;
    /* Hide by default */
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    list-style: none;
    padding: 0.5rem 0;
    min-width: 200px;
    z-index: 1000;
    border-radius: 4px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.2s ease;
}

/* For hover effect to work, we need display block on hover, 
   but for transition we need opacity/visibility.
   Simple approach: use display none/block for functionality 
   and basic transition if possible, 
   or just display block.
*/
.has-dropdown:hover .dropdown {
    display: block;
    opacity: 1;
    visibility: visible;
}

.dropdown li {
    display: block;
    margin: 0;
    padding: 0;
}

.dropdown a {
    display: block;
    padding: 0.5rem 1rem;
    white-space: nowrap;
    border: none;
    color: var(--text-color);
}

.dropdown a:hover {
    background-color: var(--bg-color);
    color: var(--primary-color);
}

/* Footer */
.footer {
    text-align: center;
    padding: 2rem 0;
    margin-top: 4rem;
    border-top: 1px solid var(--border-color);
    background-color: var(--card-bg);
    color: var(--secondary-color);
}