/* ================================================
   FORESTS EXPLORER - MAIN STYLESHEET
   A Nature-Immersive Educational Web Application
   ================================================ */

/* ================================
   CSS VARIABLES & ROOT SETTINGS
   ================================ */
:root {
    /* Forest Color Palette */
    --deep-forest: #1a4d2e;
    --moss-green: #2d5016;
    --canopy-green: #4f772d;
    --light-foliage: #90a955;
    --bark-brown: #8b4513;
    --soil-dark: #3d2817;
    --forest-shadow: #0d260d;
    --canopy-jade: #31572c;
    
    /* Extended Palette */
    --leaf-bright: #a7c957;
    --forest-mist: #ccd5ae;
    --morning-dew: #e9f5db;
    --twilight-green: #132a13;
    --autumn-gold: #d4a574;
    --river-blue: #4a90a4;
    
    /* Neutral Colors */
    --white: #ffffff;
    --off-white: #fefae0;
    --cream: #f5f5dc;
    --light-gray: #f0f0f0;
    --medium-gray: #6b7280;
    --dark-gray: #374151;
    --near-black: #1a1a1a;
    
    /* Semantic Colors */
    --success: #22c55e;
    --warning: #eab308;
    --error: #ef4444;
    --info: #3b82f6;
    
    /* Gradients */
    --gradient-forest: linear-gradient(135deg, var(--deep-forest) 0%, var(--canopy-green) 100%);
    --gradient-canopy: linear-gradient(180deg, var(--forest-shadow) 0%, var(--deep-forest) 50%, var(--canopy-green) 100%);
    --gradient-moss: linear-gradient(135deg, var(--moss-green) 0%, var(--light-foliage) 100%);
    --gradient-earth: linear-gradient(135deg, var(--soil-dark) 0%, var(--bark-brown) 100%);
    --gradient-overlay: linear-gradient(180deg, rgba(13, 38, 13, 0.8) 0%, rgba(26, 77, 46, 0.6) 100%);
    
    /* Typography */
    --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-secondary: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-forest: 0 10px 40px rgba(26, 77, 46, 0.3);
    --shadow-glow: 0 0 30px rgba(79, 119, 45, 0.4);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Z-Index Scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
    --z-preloader: 1000;
}

/* Dark Theme Variables */
[data-theme="dark"] {
    --deep-forest: #0d1f12;
    --forest-shadow: #050d06;
    --white: #1a1a1a;
    --off-white: #252525;
    --cream: #2d2d2d;
    --light-gray: #333333;
    --near-black: #f5f5f5;
}

/* ================================
   CSS RESET & BASE STYLES
   ================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--near-black);
    background-color: var(--off-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.menu-open,
body.modal-open {
    overflow: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-base);
}

button {
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    border: none;
    background: none;
    outline: none;
}

button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--canopy-green);
    outline-offset: 2px;
}

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

/* ================================
   UTILITY CLASSES
   ================================ */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-4);
    }
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ================================
   PRELOADER
   ================================ */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-canopy);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-preloader);
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

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

.leaf-loader {
    position: relative;
    width: 100px;
    height: 100px;
    margin: 0 auto var(--space-6);
}

.leaf {
    position: absolute;
    animation: leafFloat 2s ease-in-out infinite;
}

.leaf:first-child {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.leaf-2 {
    top: 30%;
    left: 10%;
    animation-delay: 0.3s;
}

.leaf-3 {
    top: 40%;
    right: 10%;
    animation-delay: 0.6s;
}

@keyframes leafFloat {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
        opacity: 1;
    }
    50% {
        transform: translateY(-15px) rotate(10deg);
        opacity: 0.8;
    }
}

.preloader-text {
    color: var(--light-foliage);
    font-size: var(--text-lg);
    font-weight: 500;
    animation: pulse 1.5s ease-in-out infinite;
}

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

/* ================================
   NAVIGATION
   ================================ */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-fixed);
    background: transparent;
    transition: all var(--transition-base);
}

.main-nav.scrolled {
    background: rgba(26, 77, 46, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-lg);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    max-width: 1400px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 700;
    font-size: var(--text-xl);
    color: var(--white);
}

.logo-icon {
    font-size: var(--text-2xl);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    color: var(--white);
    font-weight: 500;
    font-size: var(--text-sm);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    opacity: 0.9;
}

.nav-link:hover,
.nav-link.active {
    background: rgba(255, 255, 255, 0.15);
    opacity: 1;
}

.nav-icon {
    font-size: var(--text-base);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.search-toggle,
.theme-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.search-toggle:hover,
.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.15);
}

.theme-icon {
    font-size: var(--text-lg);
}

.mobile-menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
}

.hamburger {
    position: relative;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

.mobile-menu-toggle.active .hamburger {
    background: transparent;
}

.mobile-menu-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.mobile-menu-toggle.active .hamburger::after {
    bottom: 0;
    transform: rotate(-45deg);
}

/* Search Bar */
.search-bar {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(26, 77, 46, 0.98);
    backdrop-filter: blur(10px);
    padding: var(--space-4) var(--space-6);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.search-bar.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.search-container {
    display: flex;
    align-items: center;
    max-width: 800px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    padding: var(--space-2);
}

.search-container input {
    flex: 1;
    background: none;
    border: none;
    color: var(--white);
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    outline: none;
}

.search-container input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.search-btn,
.search-close {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.search-btn:hover,
.search-close:hover {
    background: rgba(255, 255, 255, 0.15);
}

.search-close {
    font-size: var(--text-2xl);
}

.search-suggestions {
    max-width: 800px;
    margin: var(--space-4) auto 0;
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    height: calc(100vh - 70px);
    background: rgba(26, 77, 46, 0.98);
    backdrop-filter: blur(10px);
    transform: translateX(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
    overflow-y: auto;
}

.mobile-menu.active {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
}

.mobile-menu-content {
    padding: var(--space-8) var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.mobile-nav-link {
    display: block;
    padding: var(--space-4);
    color: var(--white);
    font-size: var(--text-lg);
    font-weight: 500;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    background: rgba(255, 255, 255, 0.1);
}

@media (max-width: 1024px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: var(--space-3) var(--space-4);
    }
    
    .logo-text {
        display: none;
    }
}

/* ================================
   HERO SECTION
   ================================ */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transform: scale(1.1);
    animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
    0% { transform: scale(1.1) translateY(0); }
    100% { transform: scale(1.15) translateY(-2%); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-overlay);
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.hero-content {
    position: relative;
    text-align: center;
    padding: var(--space-8);
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-6);
    animation: fadeInUp 0.8s ease forwards;
}

.badge-icon {
    font-size: var(--text-lg);
}

.badge-text {
    color: var(--light-foliage);
    font-size: var(--text-sm);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.hero-title {
    color: var(--white);
    margin-bottom: var(--space-6);
    animation: fadeInUp 0.8s ease 0.2s forwards;
    opacity: 0;
}

.title-line {
    display: block;
    font-size: var(--text-4xl);
    font-weight: 300;
}

.title-highlight {
    font-size: var(--text-6xl);
    font-weight: 800;
    background: linear-gradient(135deg, var(--light-foliage) 0%, var(--leaf-bright) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-emoji {
    display: inline-block;
    font-size: var(--text-5xl);
    animation: sway 3s ease-in-out infinite;
}

@keyframes sway {
    0%, 100% { transform: rotate(-5deg); }
    50% { transform: rotate(5deg); }
}

.hero-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--text-xl);
    font-weight: 300;
    margin-bottom: var(--space-8);
    animation: fadeInUp 0.8s ease 0.4s forwards;
    opacity: 0;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    margin-bottom: var(--space-10);
    animation: fadeInUp 0.8s ease 0.6s forwards;
    opacity: 0;
}

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

.stat-number {
    display: block;
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--light-foliage);
}

.stat-plus,
.stat-percent {
    font-size: var(--text-2xl);
    color: var(--light-foliage);
}

.stat-label {
    display: block;
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: var(--space-1);
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    animation: fadeInUp 0.8s ease 0.8s forwards;
    opacity: 0;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.btn-primary {
    background: var(--gradient-moss);
    color: var(--white);
    box-shadow: var(--shadow-forest);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.btn-light {
    background: var(--white);
    color: var(--deep-forest);
}

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

.btn-outline-light {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-outline-light:hover {
    background: var(--white);
    color: var(--deep-forest);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-sm);
    animation: fadeInUp 0.8s ease 1s forwards;
    opacity: 0;
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 13px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--light-foliage);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(15px); }
}

@media (max-width: 768px) {
    .hero-content {
        padding: var(--space-6);
    }
    
    .title-line {
        font-size: var(--text-2xl);
    }
    
    .title-highlight {
        font-size: var(--text-4xl);
    }
    
    .hero-subtitle {
        font-size: var(--text-lg);
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: var(--space-4);
    }
    
    .stat-divider {
        display: none;
    }
    
    .stat-number {
        font-size: var(--text-2xl);
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ================================
   QUICK FACTS SECTION
   ================================ */
.quick-facts-section {
    background: var(--deep-forest);
    padding: var(--space-12) 0;
    margin-top: -1px;
}

.facts-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.fact-card {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-6);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.fact-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.fact-icon {
    font-size: var(--text-4xl);
    flex-shrink: 0;
}

.fact-number {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--light-foliage);
    margin-bottom: var(--space-1);
}

.fact-text {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
}

@media (max-width: 1024px) {
    .facts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .facts-grid {
        grid-template-columns: 1fr;
    }
    
    .fact-card {
        padding: var(--space-4);
    }
}

/* ================================
   SECTION HEADERS
   ================================ */
.section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(79, 119, 45, 0.1);
    color: var(--canopy-green);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.section-badge.light {
    background: rgba(255, 255, 255, 0.1);
    color: var(--light-foliage);
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--deep-forest);
    margin-bottom: var(--space-4);
}

.section-title.light {
    color: var(--white);
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--medium-gray);
    max-width: 600px;
    margin: 0 auto;
}

.section-text.light {
    color: rgba(255, 255, 255, 0.8);
    max-width: 700px;
    margin: 0 auto var(--space-8);
}

@media (max-width: 768px) {
    .section-title {
        font-size: var(--text-3xl);
    }
}

/* ================================
   FILTER SECTION
   ================================ */
.filter-section {
    padding: var(--space-16) 0 var(--space-8);
    background: var(--off-white);
}

.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3);
    margin-bottom: var(--space-8);
}

.filter-tab {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    background: var(--white);
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--dark-gray);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.filter-tab:hover {
    border-color: var(--canopy-green);
    color: var(--canopy-green);
}

.filter-tab.active {
    background: var(--gradient-forest);
    color: var(--white);
    border-color: transparent;
}

.tab-icon {
    font-size: var(--text-lg);
}

.tab-count {
    background: rgba(0, 0, 0, 0.1);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
}

.filter-tab.active .tab-count {
    background: rgba(255, 255, 255, 0.2);
}

/* Sort Options */
.sort-options {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.sort-label {
    font-size: var(--text-sm);
    color: var(--medium-gray);
    font-weight: 500;
}

.sort-select {
    padding: var(--space-2) var(--space-4);
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    color: var(--dark-gray);
    background: var(--white);
    cursor: pointer;
    transition: all var(--transition-base);
}

.sort-select:hover,
.sort-select:focus {
    border-color: var(--canopy-green);
    outline: none;
}

.view-toggle {
    display: flex;
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.view-btn {
    padding: var(--space-2) var(--space-3);
    color: var(--medium-gray);
    transition: all var(--transition-base);
}

.view-btn:hover {
    color: var(--canopy-green);
}

.view-btn.active {
    background: var(--canopy-green);
    color: var(--white);
}

@media (max-width: 768px) {
    .filter-tabs {
        gap: var(--space-2);
    }
    
    .filter-tab {
        padding: var(--space-2) var(--space-3);
        font-size: var(--text-xs);
    }
    
    .tab-text {
        display: none;
    }
    
    .tab-icon {
        font-size: var(--text-xl);
    }
}

/* ================================
   FORESTS GRID
   ================================ */
.forests-main {
    padding: var(--space-8) 0 var(--space-16);
    background: linear-gradient(180deg, var(--off-white) 0%, var(--cream) 100%);
}

.results-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
    padding: var(--space-4);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.results-count {
    font-size: var(--text-sm);
    color: var(--medium-gray);
}

.results-count strong {
    color: var(--deep-forest);
}

.results-filter {
    font-size: var(--text-sm);
    color: var(--canopy-green);
    font-weight: 500;
}

.forests-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-8);
}

/* Forest Card */
.forest-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.forest-card:hover {
    transform: translateY(-10px);
}

.forest-card:focus-visible {
    outline: 3px solid var(--canopy-green);
    outline-offset: 5px;
    border-radius: var(--radius-full);
}

.card-image-wrapper {
    position: relative;
    width: 160px;
    height: 160px;
    border-radius: var(--radius-full);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.forest-card:hover .card-image-wrapper {
    box-shadow: var(--shadow-glow), var(--shadow-xl);
    transform: scale(1.05);
}

.card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.forest-card:hover .card-image {
    transform: scale(1.1);
}

.card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to top, rgba(13, 38, 13, 0.8), transparent);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: var(--space-3);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.forest-card:hover .card-overlay {
    opacity: 1;
}

.card-type {
    font-size: var(--text-xs);
    color: var(--light-foliage);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-rank {
    position: absolute;
    top: 5px;
    left: 5px;
    width: 28px;
    height: 28px;
    background: var(--gradient-forest);
    color: var(--white);
    font-size: var(--text-xs);
    font-weight: 700;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    z-index: 1;
}

.card-content {
    padding: var(--space-4) 0;
}

.card-title {
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--deep-forest);
    margin-bottom: var(--space-1);
    line-height: 1.3;
}

.card-region {
    font-size: var(--text-xs);
    color: var(--medium-gray);
    margin-bottom: var(--space-2);
}

.card-stats {
    display: flex;
    justify-content: center;
}

.card-area {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    color: var(--canopy-green);
    background: rgba(79, 119, 45, 0.1);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-full);
}

.card-hover-content {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--gradient-forest);
    color: var(--white);
    font-size: var(--text-sm);
    font-weight: 500;
    border-radius: var(--radius-full);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.forest-card:hover .card-hover-content {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* Coming Soon Card */
.coming-soon-card {
    cursor: default;
}

.coming-soon-card:hover {
    transform: none;
}

.coming-soon-wrapper {
    background: var(--gradient-moss);
}

.coming-soon-bg {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.leaf-pattern {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2);
    font-size: var(--text-xl);
    animation: patternPulse 3s ease-in-out infinite;
}

@keyframes patternPulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

.coming-soon-overlay {
    background: rgba(45, 80, 22, 0.3);
}

.coming-soon-content {
    padding-top: var(--space-6);
}

.coming-soon-emoji {
    font-size: var(--text-2xl);
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

/* Grid Responsive */
@media (max-width: 1400px) {
    .forests-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 1024px) {
    .forests-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-6);
    }
    
    .card-image-wrapper {
        width: 140px;
        height: 140px;
    }
}

@media (max-width: 768px) {
    .forests-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }
    
    .card-image-wrapper {
        width: 120px;
        height: 120px;
    }
    
    .card-title {
        font-size: var(--text-sm);
    }
}

@media (max-width: 480px) {
    .forests-grid {
        gap: var(--space-3);
    }
    
    .card-image-wrapper {
        width: 100px;
        height: 100px;
    }
    
    .card-rank {
        width: 22px;
        height: 22px;
        font-size: 10px;
    }
}

/* List View */
.forests-grid.list-view {
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

.forests-grid.list-view .forest-card {
    flex-direction: row;
    text-align: left;
    padding: var(--space-4);
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.forests-grid.list-view .card-image-wrapper {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
}

.forests-grid.list-view .card-content {
    flex: 1;
    padding: 0 var(--space-4);
}

.forests-grid.list-view .card-hover-content {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    margin-left: auto;
}

/* Loading State */
.loading-state {
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-16);
    color: var(--medium-gray);
}

.loading-state.active {
    display: flex;
}

.loading-spinner {
    position: relative;
    width: 60px;
    height: 60px;
    margin-bottom: var(--space-4);
}

.spinner-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid transparent;
    border-top-color: var(--canopy-green);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

.spinner-ring:nth-child(2) {
    width: 80%;
    height: 80%;
    top: 10%;
    left: 10%;
    border-top-color: var(--light-foliage);
    animation-delay: 0.15s;
}

.spinner-ring:nth-child(3) {
    width: 60%;
    height: 60%;
    top: 20%;
    left: 20%;
    border-top-color: var(--moss-green);
    animation-delay: 0.3s;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* No Results */
.no-results {
    text-align: center;
    padding: var(--space-16);
}

.no-results-icon {
    font-size: var(--text-6xl);
    margin-bottom: var(--space-4);
}

.no-results h3 {
    font-size: var(--text-2xl);
    color: var(--deep-forest);
    margin-bottom: var(--space-2);
}

.no-results p {
    color: var(--medium-gray);
    margin-bottom: var(--space-6);
}

/* ================================
   MAP SECTION
   ================================ */
.map-section {
    padding: var(--space-16) 0;
    background: var(--cream);
}

.map-container {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.world-map {
    width: 100%;
    height: 500px;
    background: var(--light-gray);
}

.map-legend {
    position: absolute;
    bottom: var(--space-4);
    left: var(--space-4);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 10;
}

.map-legend h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--deep-forest);
    margin-bottom: var(--space-3);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
    font-size: var(--text-xs);
    color: var(--dark-gray);
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: var(--radius-sm);
}

@media (max-width: 768px) {
    .world-map {
        height: 350px;
    }
    
    .map-legend {
        position: static;
        margin-top: var(--space-4);
        border-radius: var(--radius-lg);
    }
}

/* ================================
   CONSERVATION SECTION
   ================================ */
.conservation-section {
    position: relative;
    padding: var(--space-24) 0;
    overflow: hidden;
}

.conservation-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.conservation-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.conservation-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(13, 38, 13, 0.9) 0%, rgba(26, 77, 46, 0.85) 100%);
}

.conservation-content {
    position: relative;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.conservation-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-12);
    margin-bottom: var(--space-10);
}

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

.cons-number {
    display: block;
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--light-foliage);
}

.cons-label {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
}

.conservation-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
}

@media (max-width: 768px) {
    .conservation-stats {
        flex-direction: column;
        gap: var(--space-6);
    }
    
    .cons-number {
        font-size: var(--text-3xl);
    }
    
    .conservation-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .conservation-actions .btn {
        width: 100%;
        max-width: 300px;
    }
}

/* ================================
   FOOTER
   ================================ */
.main-footer {
    background: var(--deep-forest);
    color: var(--white);
}

.footer-top {
    padding: var(--space-16) 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-12);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-6);
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--canopy-green);
    transform: translateY(-3px);
}

.footer-links h4 {
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: var(--light-foliage);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-sm);
    transition: all var(--transition-base);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: var(--space-2);
}

.footer-bottom {
    padding: var(--space-6) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.copyright {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.6);
}

.credits {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.6);
}

.credits a {
    color: var(--light-foliage);
    text-decoration: underline;
}

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-8);
    }
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-tagline {
        max-width: none;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-2);
        text-align: center;
    }
}

/* ================================
   BACK TO TOP BUTTON
   ================================ */
.back-to-top {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    width: 50px;
    height: 50px;
    background: var(--gradient-forest);
    color: var(--white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

@media (max-width: 768px) {
    .back-to-top {
        bottom: var(--space-4);
        right: var(--space-4);
        width: 44px;
        height: 44px;
    }
}

/* ================================
   ANIMATIONS
   ================================ */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Intersection Observer Animation Classes */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger animations for grid items */
.forests-grid .forest-card {
    opacity: 0;
    animation: scaleIn 0.5s ease forwards;
}

.forests-grid .forest-card:nth-child(1) { animation-delay: 0.05s; }
.forests-grid .forest-card:nth-child(2) { animation-delay: 0.1s; }
.forests-grid .forest-card:nth-child(3) { animation-delay: 0.15s; }
.forests-grid .forest-card:nth-child(4) { animation-delay: 0.2s; }
.forests-grid .forest-card:nth-child(5) { animation-delay: 0.25s; }
.forests-grid .forest-card:nth-child(6) { animation-delay: 0.3s; }
.forests-grid .forest-card:nth-child(7) { animation-delay: 0.35s; }
.forests-grid .forest-card:nth-child(8) { animation-delay: 0.4s; }
.forests-grid .forest-card:nth-child(9) { animation-delay: 0.45s; }
.forests-grid .forest-card:nth-child(10) { animation-delay: 0.5s; }

/* ================================
   LEAFLET MAP CUSTOMIZATION
   ================================ */
.leaflet-container {
    font-family: var(--font-primary);
}

.leaflet-popup-content-wrapper {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.leaflet-popup-content {
    margin: var(--space-3);
}

.forest-popup {
    text-align: center;
    min-width: 150px;
}

.forest-popup h4 {
    color: var(--deep-forest);
    font-size: var(--text-base);
    margin-bottom: var(--space-1);
}

.forest-popup p {
    color: var(--medium-gray);
    font-size: var(--text-sm);
    margin-bottom: var(--space-2);
}

.forest-popup a {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: var(--gradient-forest);
    color: var(--white);
    font-size: var(--text-sm);
    font-weight: 500;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.forest-popup a:hover {
    transform: scale(1.05);
}

/* Custom Marker Styles */
.forest-marker {
    background: var(--gradient-forest);
    border: 3px solid var(--white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-lg);
}

/* ================================
   PRINT STYLES
   ================================ */
@media print {
    .main-nav,
    .preloader,
    .back-to-top,
    .scroll-indicator,
    .hero-actions,
    .filter-section,
    .map-section,
    .conservation-section {
        display: none !important;
    }
    
    .hero-section {
        min-height: auto;
        padding: var(--space-8);
    }
    
    .forests-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .forest-card {
        break-inside: avoid;
    }
}

/* ================================
   ACCESSIBILITY IMPROVEMENTS
   ================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .hero-image {
        animation: none;
    }
    
    .scroll-indicator .wheel {
        animation: none;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --deep-forest: #004d00;
        --canopy-green: #006600;
        --light-foliage: #00cc00;
    }
    
    .forest-card {
        border: 2px solid var(--near-black);
    }
}