/* ==========================================
   ORGANIC FARMING WEBSITE - MODERN ECO DESIGN
   ========================================== */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&family=Lora:ital,wght@0,400;0,500;0,600;1,400&display=swap');

/* CSS Variables for consistent eco-friendly theming */
:root {
    /* Eco-friendly color palette */
    --primary-green: #2d5016;
    --secondary-green: #4a7c59;
    --accent-green: #6b8e23;
    --light-green: #a8d5ba;
    --pale-green: #f0f8f0;
    --beige: #f5f5dc;
    --warm-beige: #f0e68c;
    --brown: #8b4513;
    --light-brown: #d2b48c;
    --white: #ffffff;
    --off-white: #fafafa;
    --dark-text: #2c3e50;
    --medium-text: #34495e;
    --light-text: #7f8c8d;
    
    /* Shadows and effects */
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.2);
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    --transition-slow: 0.8s ease;
    
    /* Border radius */
    --radius-small: 8px;
    --radius-medium: 12px;
    --radius-large: 20px;
    --radius-round: 50%;
}

/* ==========================================
   GLOBAL STYLES & RESET
   ========================================== */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Lora', serif;
    font-weight: 400;
    line-height: 1.7;
    color: var(--dark-text);
    background: linear-gradient(135deg, var(--pale-green) 0%, var(--white) 100%);
    min-height: 100vh;
}

/* ==========================================
   TYPOGRAPHY
   ========================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    line-height: 1.3;
    color: var(--primary-green);
    margin-bottom: 1rem;
}

h1 {
    font-size: 3rem;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 2rem;
}

h4 {
    font-size: 1.75rem;
}

h5 {
    font-size: 1.5rem;
}

h6 {
    font-size: 1.25rem;
}

p {
    margin-bottom: 1rem;
    color: var(--medium-text);
}

a {
    color: var(--secondary-green);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--primary-green);
}

/* ==========================================
   NAVIGATION BAR
   ========================================== */

.navbar {
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
    padding: 1rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: var(--shadow-medium);
    backdrop-filter: blur(10px);
}

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

.nav-logo {
    font-family: 'Poppins', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition-fast);
}

.nav-logo:hover {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    color: var(--white);
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    text-decoration: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-medium);
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transition: var(--transition-fast);
}

.nav-link:hover::before {
    left: 0;
}

.nav-link:hover,
.nav-link.active {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: var(--shadow-light);
}

/* Mobile menu toggle */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--white);
    transition: var(--transition-fast);
}

/* ==========================================
   BUTTONS & CTA
   ========================================== */

.btn,
.btn-primary,
.btn-secondary,
.submit-btn,
.restart-btn {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--radius-large);
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
    display: inline-block;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary-green), var(--accent-green));
    color: var(--white);
    box-shadow: var(--shadow-light);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-green));
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

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

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

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-round);
    transition: var(--transition-fast);
    transform: translate(-50%, -50%);
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

/* ==========================================
   HERO SECTION
   ========================================== */

.hero {
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-green), var(--accent-green));
    color: var(--white);
    padding: 8rem 0 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="rgba(255,255,255,0.1)"><path d="M0,50 Q250,0 500,50 T1000,50 V100 H0 Z"/></svg>');
    background-size: cover;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

/* ==========================================
   CARD STYLES
   ========================================== */

.card {
    background: var(--white);
    border-radius: var(--radius-medium);
    padding: 2.5rem;
    margin: 1.5rem 0;
    box-shadow: var(--shadow-light);
    transition: var(--transition-medium);
    border: 1px solid rgba(107, 142, 35, 0.1);
}

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

.card-header {
    margin-bottom: 1.5rem;
}

.card-title {
    font-size: 1.5rem;
    color: var(--primary-green);
    margin-bottom: 0.5rem;
}

.card-subtitle {
    color: var(--light-text);
    font-size: 1rem;
}

.card-body {
    margin-bottom: 1.5rem;
}

.card-footer {
    border-top: 1px solid var(--light-green);
    padding-top: 1rem;
}

/* ==========================================
   SECTIONS & LAYOUT
   ========================================== */

.section {
    padding: 5rem 0;
}

.section:nth-child(even) {
    background: var(--off-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary-green), var(--accent-green));
    border-radius: 2px;
}

/* ==========================================
   GRID SYSTEM
   ========================================== */

.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* ==========================================
   FORMS & INPUTS
   ========================================== */

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--primary-green);
}

.form-control {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--light-green);
    border-radius: var(--radius-small);
    font-family: 'Lora', serif;
    font-size: 1rem;
    transition: var(--transition-fast);
    background: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary-green);
    box-shadow: 0 0 0 3px rgba(74, 124, 89, 0.1);
}

.form-control::placeholder {
    color: var(--light-text);
}

/* ==========================================
   FOOTER
   ========================================== */

.footer {
    background: linear-gradient(135deg, var(--primary-green), var(--dark-green));
    color: var(--white);
    padding: 3rem 0 1rem;
    margin-top: 5rem;
}

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

.footer-section h4 {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.8);
}

.footer-section a:hover {
    color: var(--light-green);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

/* ==========================================
   ANIMATIONS
   ========================================== */

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

/* Tablet styles */
@media screen and (max-width: 1024px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .hero h1 {
        font-size: 3rem;
    }
}

/* Mobile styles */
@media screen and (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--primary-green);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 2rem;
        transition: var(--transition-fast);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero {
        padding: 6rem 0 3rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .card {
        padding: 1.5rem;
    }
}

/* Small mobile styles */
@media screen and (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .container {
        padding: 0 1rem;
    }
}

/* ==========================================
   UTILITY CLASSES
   ========================================== */

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

.d-flex { display: flex; }
.justify-center { justify-content: center; }
.align-center { align-items: center; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

/* ==========================================
   CUSTOM SCROLLBAR
   ========================================== */

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--pale-green);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--secondary-green), var(--accent-green));
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-green);
}

/* ==========================================
   LOADING ANIMATION
   ========================================== */

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(74, 124, 89, 0.3);
    border-radius: 50%;
    border-top-color: var(--secondary-green);
    animation: spin 1s ease-in-out infinite;
}

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