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

:root {
    --primary-dark: #307A59;
    --primary-light: #74C69D;
    --background: #F7FFF7;
    --text-dark: #243B2E;
    --text-light: #5A7D6E;
    --white: #FFFFFF;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    background-color: var(--background);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    margin-bottom: 1rem;
}

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

/* Header dan Navigasi */
header {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand h1 {
    color: var(--primary-dark);
    margin: 0;
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-menu a:hover, .nav-menu a.active {
    color: var(--primary-dark);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    min-height: 80vh;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.highlight {
    color: var(--primary-dark);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text-light);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.placeholder-image {
    width: 100%;
    height: 300px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 500;
    font-size: 1.2rem;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
}

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

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

.btn-secondary {
    background-color: transparent;
    color: var(--primary-dark);
    border: 2px solid var(--primary-dark);
}

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

/* Stats Section */
.stats {
    padding: 4rem 0;
    background-color: var(--white);
}

.stats h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.stat-card {
    text-align: center;
    padding: 2rem;
    background-color: var(--background);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.stat-card h3 {
    font-size: 2.5rem;
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

/* How It Works Section */
.how-it-works {
    padding: 4rem 0;
}

.how-it-works h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.step {
    text-align: center;
    padding: 2rem;
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: var(--primary-light);
    color: var(--white);
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

/* Featured Trees Section */
.featured-trees {
    padding: 4rem 0;
}

.featured-trees h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.trees-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.tree-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.tree-card:hover {
    transform: translateY(-5px);
}

.tree-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.tree-card-content {
    padding: 1.5rem;
}

.tree-card h3 {
    margin-bottom: 0.5rem;
}

.tree-species {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.tree-status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.status-seedling {
    background-color: #FFF3CD;
    color: #856404;
}

.status-growing {
    background-color: #D1ECF1;
    color: #0C5460;
}

.status-mature {
    background-color: #D4EDDA;
    color: #155724;
}

/* Page Header */
.page-header {
    padding: 3rem 0;
    text-align: center;
    background-color: var(--white);
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

/* Map Controls */
.map-controls {
    padding: 2rem 0;
    background-color: var(--white);
}

.filter-controls {
    display: flex;
    gap: 1rem;
    align-items: end;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    flex-direction: column;
}

.filter-group label {
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.filter-group select {
    padding: 0.5rem;
    border-radius: var(--border-radius);
    border: 1px solid #ddd;
    background-color: var(--white);
}

/* Map Container */
.map-container {
    height: 600px;
    margin-bottom: 2rem;
}

#map {
    height: 100%;
    width: 100%;
    border-radius: var(--border-radius);
}

/* Tree Detail Page */
.tree-detail {
    padding: 2rem 0;
}

.breadcrumb {
    margin-bottom: 2rem;
    color: var(--text-light);
}

.breadcrumb a {
    color: var(--primary-dark);
    text-decoration: none;
}

.tree-detail-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.tree-image-section {
    position: relative;
}

.tree-image-section .placeholder-image {
    height: 400px;
}

.tree-status {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.status-badge {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 500;
    color: white;
}

.status-badge.seedling {
    background-color: #FFC107;
}

.status-badge.growing {
    background-color: #17A2B8;
}

.status-badge.mature {
    background-color: #28A745;
}

.tree-location {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.tree-specs {
    margin: 2rem 0;
}

.specs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 1rem;
}

.spec-item h4 {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

.tree-benefits {
    margin: 2rem 0;
}

.tree-benefits ul {
    list-style-type: none;
    padding-left: 0;
}

.tree-benefits li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.tree-benefits li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-dark);
    font-weight: bold;
}

.adoption-section {
    margin-top: 2rem;
    padding: 1.5rem;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.adoption-note {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-light);
}

/* Timeline */
.tree-timeline {
    margin-top: 3rem;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline:before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--primary-light);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
    width: 50%;
    padding: 0 2rem;
}

.timeline-item:nth-child(odd) {
    left: 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-content {
    background-color: var(--white);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    position: relative;
}

.timeline-content:after {
    content: '';
    position: absolute;
    top: 1.5rem;
    width: 15px;
    height: 15px;
    background-color: var(--primary-dark);
    border-radius: 50%;
}

.timeline-item:nth-child(odd) .timeline-content:after {
    right: -2.5rem;
}

.timeline-item:nth-child(even) .timeline-content:after {
    left: -2.5rem;
}

.timeline-date {
    font-weight: 500;
    color: var(--primary-dark);
    margin-bottom: 0.5rem;
}

/* Dashboard */
.dashboard-stats {
    padding: 2rem 0;
    background-color: var(--white);
}

.adopted-trees {
    padding: 3rem 0;
}

.no-trees-message {
    text-align: center;
    padding: 3rem;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

/* About Page */
.about-intro {
    padding: 3rem 0;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text h2 {
    margin-top: 2rem;
}

.about-text h2:first-child {
    margin-top: 0;
}

.about-text ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.about-text li {
    margin-bottom: 0.5rem;
}

.about-image .placeholder-image {
    height: 400px;
}

.environmental-impact {
    padding: 3rem 0;
    background-color: var(--white);
}

.environmental-impact h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.impact-card {
    padding: 2rem;
    background-color: var(--background);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
}

.impact-card h3 {
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

.call-to-action {
    padding: 4rem 0;
    text-align: center;
}

.cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    margin-bottom: 1rem;
}

.cta-content p {
    margin-bottom: 2rem;
    color: var(--text-light);
}

/* Footer */
footer {
    background-color: var(--text-dark);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-brand h2 {
    color: var(--primary-light);
}

.footer-links h3, .footer-contact h3 {
    margin-bottom: 1rem;
    color: var(--primary-light);
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 2rem 1rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .tree-detail-content {
        grid-template-columns: 1fr;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .filter-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .timeline:before {
        left: 30px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 0;
    }
    
    .timeline-item:nth-child(even) {
        left: 0;
    }
    
    .timeline-content:after {
        left: -2.5rem;
    }
}