/* Global Styles */
:root {
    --primary-green: #2d5016;
    --secondary-green: #4a7c28;
    --light-green: #6b9f3a;
    --earth-brown: #8b6f47;
    --light-brown: #c4a57b;
    --bg-light: #f5f7f3;
    --bg-white: #ffffff;
    --text-dark: #2c3e2e;
    --text-gray: #6b7267;
    --border-color: #d4ddd0;
    --shadow: rgba(45, 80, 22, 0.1);
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

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

/* Navigation */
.navbar {
    background: var(--primary-green);
    color: white;
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px var(--shadow);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    color: white;
    text-decoration: none;
}

.nav-brand i {
    font-size: 1.8rem;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0;
    margin: 0;
}

.nav-menu li a {
    display: block;
    padding: 1.2rem 1.5rem;
    color: white;
    text-decoration: none;
    transition: background 0.3s;
    font-weight: 500;
}

.nav-menu li a:hover,
.nav-menu li a.active {
    background: var(--secondary-green);
}

/* Hero Section */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--secondary-green) 100%);
    color: white;
    padding: 80px 20px 60px;
    text-align: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><path d="M0,300 Q300,100 600,300 T1200,300 L1200,600 L0,600 Z" fill="rgba(255,255,255,0.05)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto 50px;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 15px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    opacity: 0.95;
}

.hero-description {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-stats {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.stat-card {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    border: 2px solid rgba(255,255,255,0.2);
}

.stat-card i {
    font-size: 2.5rem;
    margin-bottom: 10px;
    opacity: 0.9;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 10px 0;
}

.stat-label {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    cursor: pointer;
    border: 2px solid transparent;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--bg-light);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-green);
    transform: translateY(-2px);
}

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

.btn-success:hover {
    background: #218838;
}

/* Sections */
section {
    padding: 80px 20px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 15px;
    color: var(--primary-green);
}

.section-subtitle {
    text-align: center;
    color: var(--text-gray);
    font-size: 1.1rem;
    margin-bottom: 50px;
}

/* Features Section */
.features {
    background: var(--bg-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background: var(--bg-light);
    padding: 35px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s;
    border: 2px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow);
    border-color: var(--light-green);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-green), var(--light-green));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 2rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-green);
}

.feature-card p {
    color: var(--text-gray);
    margin-bottom: 20px;
}

.feature-link {
    color: var(--secondary-green);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: gap 0.3s;
}

.feature-link:hover {
    gap: 10px;
}

/* Why Choose Section */
.why-choose {
    background: var(--bg-light);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.why-item {
    background: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 3px 10px var(--shadow);
}

.why-item i {
    font-size: 3rem;
    color: var(--success);
    margin-bottom: 15px;
}

.why-item h4 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--primary-green);
}

.why-item p {
    color: var(--text-gray);
}

/* Call to Action */
.cta {
    background: linear-gradient(135deg, var(--secondary-green), var(--light-green));
    color: white;
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: var(--primary-green);
    color: white;
    padding: 60px 20px 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 20px;
}

.footer-section p {
    margin-bottom: 10px;
    opacity: 0.9;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: white;
    text-decoration: none;
    opacity: 0.9;
    transition: opacity 0.3s;
}

.footer-section ul li a:hover {
    opacity: 1;
    text-decoration: underline;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: background 0.3s;
}

.social-links a:hover {
    background: rgba(255,255,255,0.2);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.2);
    opacity: 0.8;
}

/* Cards */
.card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 3px 15px var(--shadow);
    overflow: hidden;
    transition: all 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px var(--shadow);
}

.card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-body {
    padding: 20px;
}

.card-title {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--primary-green);
}

.card-text {
    color: var(--text-gray);
    margin-bottom: 10px;
}

.card-meta {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin: 15px 0;
    font-size: 0.9rem;
}

.card-meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--text-gray);
}

.card-meta-item i {
    color: var(--secondary-green);
}

.badge {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.badge-primary {
    background: var(--light-green);
    color: white;
}

.badge-secondary {
    background: var(--earth-brown);
    color: white;
}

.badge-success {
    background: var(--success);
    color: white;
}

.badge-warning {
    background: var(--warning);
    color: var(--text-dark);
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(500px, 1fr));
    gap: 30px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-dark);
}

.form-control,
.form-select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-control:focus,
.form-select:focus {
    outline: none;
    border-color: var(--light-green);
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

/* Filters */
.filters {
    background: white;
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: 0 3px 15px var(--shadow);
}

.filters-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    align-items: end;
}

/* Loading Spinner */
.loading {
    text-align: center;
    padding: 50px;
}

.spinner {
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--secondary-green);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Alert Messages */
.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
}

.alert-success {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.alert-info {
    background: #d1ecf1;
    border: 1px solid #bee5eb;
    color: #0c5460;
}

.alert-warning {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    color: #856404;
}

/* Unread Badge */
#unreadBadge {
    display: none;
    background: var(--danger);
    color: white;
    border-radius: 50%;
    padding: 2px 6px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-left: 5px;
    min-width: 20px;
    text-align: center;
}

/* Auth Links in Navigation */
#authLinks {
    display: contents;
}

/* Contact Info */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 15px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-gray);
}

.contact-item i {
    color: var(--secondary-green);
    width: 20px;
}

.price-tag {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--success);
    margin: 15px 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-menu {
        display: none !important;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--primary-green);
        flex-direction: column;
        padding: 0;
        z-index: 1000;
    }

    .nav-menu.active {
        display: flex !important;
    }

    .nav-menu li a {
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-stats {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .filters-row {
        grid-template-columns: 1fr;
    }

    .hero-buttons,
    .cta-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }
}