:root {
    --color-primary: #2E7D32;
    /* Agri-Green */
    --color-primary-dark: #1B5E20;
    --color-accent: #FFD700;
    /* Corn Gold */
    --color-accent-hover: #FFC107;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-background: #F9F9F9;
    --color-white: #FFFFFF;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --radius: 8px;
    --font-heading: 'Sarabun', sans-serif;
    --font-body: 'Sarabun', sans-serif;
}

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s;
}

ul {
    list-style: none;
}

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

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-primary-dark);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
}

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

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

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

.btn-accent:hover {
    background-color: var(--color-accent-hover);
}

.section {
    padding: 60px 0;
}

.text-center {
    text-align: center;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-3 {
    margin-bottom: 2rem;
}

/* Navbar */
.navbar {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

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

.nav-links {
    display: flex;
    gap: 30px;
}

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

.mobile-menu-btn {
    display: none;
}

/* Footer */
footer {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    padding: 40px 0;
    margin-top: auto;
}

/* Responsiveness */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        /* simple toggle for now */
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--color-white);
        padding: 20px;
        box-shadow: var(--shadow-md);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
        background: none;
        border: none;
        font-size: 1.5rem;
        cursor: pointer;
    }
}

/* Admin Dashboard Styles */
.admin-login-container {
    max-width: 400px;
    margin: 100px auto;
    background: white;
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.admin-table-container {
    background: white;
    padding: 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

.admin-table th,
.admin-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.admin-table th {
    background-color: var(--color-primary);
    color: white;
    font-weight: 600;
}

.admin-table tr:hover {
    background-color: #f9f9f9;
}

.status-badge {
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
}

.status-new {
    background-color: #e3f2fd;
    color: #1976d2;
}

.status-read {
    background-color: #f5f5f5;
    color: #616161;
}

.action-btn {
    padding: 5px 10px;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    font-size: 0.9rem;
    margin-right: 5px;
}

.btn-delete {
    background-color: #ffcdd2;
    color: #c62828;
}

.btn-delete:hover {
    background-color: #ef9a9a;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Enhanced Hover Effects */
.product-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
}

.feature-item {
    transition: transform 0.3s ease;
    padding: 20px;
    border-radius: var(--radius);
}

.feature-item:hover {
    transform: translateY(-5px);
    background-color: #f0fdf4;
    /* Slightly lighter green background */
}

.feature-item i {
    transition: transform 0.5s ease;
}

.feature-item:hover i {
    transform: scale(1.2) rotate(5deg);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}