/* ==============================================
   GLOBAL RESET & VARIABLES
   ============================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Nature-inspired Color Palette */
    --forest-green: #2d5016;
    --moss-green: #4a7c30;
    --sage-green: #87a96b;
    --earth-brown: #5c4033;
    --sky-blue: #87ceeb;
    --sunset-orange: #ff6b35;
    --leaf-yellow: #ffd23f;
    --cream: #f5f5dc;
    --white: #ffffff;
    --black: #1a1a1a;
    
    /* Functional Colors */
    --primary: #4a7c30;
    --secondary: #87a96b;
    --accent: #ff6b35;
    --bg-light: #f9faf8;
    --bg-dark: #2d5016;
    --text-primary: #1a1a1a;
    --text-secondary: #5c5c5c;
    --text-light: #ffffff;
    
    /* Fonts */
    --font-heading: 'Merriweather', serif;
    --font-body: 'Montserrat', sans-serif;
    
    /* Spacing */
    --container-width: 1200px;
    --section-padding: 80px 20px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
}

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--bg-light);
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

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

/* ==============================================
   ANIMATED NATURE BACKGROUND
   ============================================== */
.nature-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(180deg, #e8f5e9 0%, #c8e6c9 50%, #a5d6a7 100%);
    overflow: hidden;
}

.forest-layer {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 300px;
    background-repeat: repeat-x;
    background-position: bottom;
    background-size: contain;
    opacity: 0.3;
}

.layer-1 {
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 300"><path fill="%232d5016" d="M0,100 Q150,50 300,100 T600,100 T900,100 T1200,100 L1200,300 L0,300 Z"/></svg>');
    animation: wave 20s ease-in-out infinite;
    height: 200px;
}

.layer-2 {
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 300"><path fill="%234a7c30" d="M0,150 Q200,100 400,150 T800,150 T1200,150 L1200,300 L0,300 Z"/></svg>');
    animation: wave 15s ease-in-out infinite reverse;
    height: 250px;
    opacity: 0.4;
}

.layer-3 {
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 300"><path fill="%2387a96b" d="M0,200 Q250,150 500,200 T1000,200 T1200,200 L1200,300 L0,300 Z"/></svg>');
    animation: wave 25s ease-in-out infinite;
    opacity: 0.5;
}

@keyframes wave {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(-50px); }
}

.birds-container {
    position: absolute;
    width: 100%;
    height: 100%;
}

.bird {
    position: absolute;
    width: 30px;
    height: 30px;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 50 50"><path fill="%231a1a1a" d="M25,20 Q15,15 5,20 Q15,17 25,15 Q35,17 45,20 Q35,15 25,20 Z"/></svg>') no-repeat center;
    background-size: contain;
    opacity: 0.6;
    animation: fly 30s linear infinite;
}

.bird-1 {
    top: 15%;
    left: -50px;
    animation-duration: 35s;
    animation-delay: 0s;
}

.bird-2 {
    top: 25%;
    left: -50px;
    animation-duration: 40s;
    animation-delay: 5s;
}

.bird-3 {
    top: 35%;
    left: -50px;
    animation-duration: 45s;
    animation-delay: 10s;
}

@keyframes fly {
    0% {
        transform: translateX(0) translateY(0);
    }
    50% {
        transform: translateX(50vw) translateY(-30px);
    }
    100% {
        transform: translateX(100vw) translateY(0);
    }
}

/* ==============================================
   NAVIGATION
   ============================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
}

.leaf-icon {
    font-size: 32px;
    animation: leaf-sway 3s ease-in-out infinite;
}

@keyframes leaf-sway {
    0%, 100% { transform: rotate(0deg); }
    50% { transform: rotate(10deg); }
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--forest-green);
}

.logo-accent {
    color: var(--accent);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    position: relative;
    transition: color 0.3s ease;
    padding: 5px 10px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 10px;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: calc(100% - 20px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary);
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* ==============================================
   HERO SECTION
   ============================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 20px 60px;
    background: url('https://images.unsplash.com/photo-1511497584788-876760111969?w=1920&h=1080&fit=crop&q=80') center/cover no-repeat;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(45, 80, 22, 0.7) 0%, rgba(135, 166, 107, 0.6) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
    text-align: center;
    color: var(--text-light);
}

.eco-badge {
    display: inline-block;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.main-title {
    display: block;
    font-family: var(--font-heading);
    font-size: 64px;
    font-weight: 700;
    line-height: 1.2;
    margin: 20px 0;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
}

.hero-description {
    font-size: 20px;
    line-height: 1.8;
    margin-bottom: 40px;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.3);
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 35px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-family: var(--font-body);
}

.btn-primary {
    background: var(--accent);
    color: var(--text-light);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
}

.btn-primary:hover {
    background: #e