/* ========================================
   Nederland Groenteland - Plantaardig Eten
   CSS Stylesheet
   ======================================== */

/* Self-hosted Poppins Font */
@font-face {
    font-family: 'Poppins';
    font-weight: 300;
    font-style: normal;
    src: url('assets/fonts/poppins-light.woff2') format('woff2');
    font-display: swap;
}

@font-face {
    font-family: 'Poppins';
    font-weight: 400;
    font-style: normal;
    src: url('assets/fonts/poppins-regular.woff2') format('woff2');
    font-display: swap;
}

@font-face {
    font-family: 'Poppins';
    font-weight: 600;
    font-style: normal;
    src: url('assets/fonts/poppins-semibold.woff2') format('woff2');
    font-display: swap;
}

@font-face {
    font-family: 'Poppins';
    font-weight: 700;
    font-style: normal;
    src: url('assets/fonts/poppins-bold.woff2') format('woff2');
    font-display: swap;
}

/* CSS Variables */
:root {
    /* Colors - Earthy Green Theme */
    --primary: #2d7d32;
    --primary-dark: #1b5e20;
    --primary-light: #4caf50;
    --primary-lighter: #81c784;
    --secondary: #ff9800;
    --secondary-dark: #e68a00;
    --accent: #00bcd4;
    
    --text-dark: #212121;
    --text-light: #f5f5f5;
    --text-medium: #666;
    --text-secondary: #9e9e9e;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-dark: #1a4d2e;
    --bg-darker: #0d2e1c;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 16px 32px rgba(0, 0, 0, 0.25);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50%;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Spacing */
    --section-padding: 80px 0;
    --container-width: 1200px;
    
    /* Typography */
    --font-family: 'Poppins', sans-serif;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 32px;
    --font-size-4xl: 40px;
    --font-size-5xl: 48px;
    
    /* Line Height */
    --leading-tight: 1.1;
    --leading-normal: 1.5;
    --leading-relaxed: 1.75;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--leading-normal);
    color: var(--text-dark);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

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

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

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

ul {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: var(--leading-tight);
    color: var(--text-dark);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

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

/* ========================================
   Header
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: var(--font-size-lg);
    line-height: 1.2;
}

.logo-icon {
    width: 40px;
    height: 40px;
    color: var(--primary);
}

.nav {
    display: flex;
    gap: 30px;
}

.nav-link {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--text-dark);
    padding: 8px 0;
    position: relative;
    transition: color var(--transition-fast);
}

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

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

.nav-link:hover::after {
    width: 100%;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--text-dark);
    transition: all var(--transition-fast);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-light);
    box-shadow: var(--shadow-md);
}

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

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

.btn-secondary:hover {
    background: var(--primary);
    color: var(--text-light);
}

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

.btn-outline:hover {
    background: var(--primary);
    color: var(--text-light);
}

.btn-large {
    padding: 16px 32px;
    font-size: var(--font-size-lg);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    padding: 120px 0 60px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #f0f8f0 0%, #e8f5e8 50%, #d0efd0 100%);
    opacity: 0.5;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%232d7d32' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    flex: 1;
}

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

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: var(--leading-tight);
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-medium);
    margin-bottom: 40px;
    line-height: var(--leading-relaxed);
}

.hero-stats {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
}

.stat {
    text-align: center;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    min-width: 120px;
}

.stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-dark);
    margin-top: 5px;
}

.stat-desc {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-top: 5px;
}

.hero-visual {
    justify-self: end;
}

.hero-image {
    max-width: 500px;
    width: 100%;
    height: auto;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 30px 0;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    animation: bounce 2s infinite;
}

.scroll-indicator svg {
    width: 24px;
    height: 24px;
    color: var(--primary);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* ========================================
   Sections
   ======================================== */
.section {
    padding: var(--section-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header.light .section-title,
.section-header.light .section-subtitle {
    color: var(--text-light);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* Dierenleed Section */
.dierenleed {
    background: var(--bg-secondary);
}

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

.card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

.card-image {
    height: 220px;
    overflow: hidden;
    background-color: var(--primary);
}

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

.card:hover .card-image img {
    transform: scale(1.05);
}

.card-content {
    padding: 25px;
}

.card-content h3 {
    color: var(--text-dark);
    margin-bottom: 15px;
}

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

/* Voordelen Section */
.voordelen {
    background: var(--primary-dark);
    color: var(--text-light);
    position: relative;
}

.voordelen::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M50 30c-11 0-20 9-20 20s9 20 20 20 20-9 20-20-9-20-20-20zm0 35c-8.3 0-15-6.7-15-15s6.7-15 15-15 15 6.7 15 15-6.7 15-15 15z' fill='%23ffffff' fill-opacity='0.05'/%3E%3C/svg%3E");
    pointer-events: none;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.benefit {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
}

.benefit:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.benefit-icon svg {
    width: 30px;
    height: 30px;
    color: var(--text-light);
}

.benefit h3 {
    color: var(--text-light);
    margin-bottom: 15px;
}

.benefit p {
    color: rgba(255, 255, 255, 0.8);
}

/* Stappen Section */
.stappen {
    background: var(--bg-primary);
}

.steps-container {
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 30px;
    padding: 30px 0;
    border-bottom: 1px solid var(--bg-secondary);
    transition: all var(--transition-base);
}

.step:hover {
    background: var(--bg-secondary);
    padding-left: 20px;
    padding-right: 20px;
    border-radius: var(--radius-md);
}

.step:last-child {
    border-bottom: none;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--text-light);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    color: var(--text-dark);
    margin-bottom: 10px;
}

.step-content p {
    color: var(--text-medium);
}

/* Recepten Section */
.recepten {
    background: var(--bg-secondary);
}

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

.recipe-card {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.recipe-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.recipe-image {
    height: 220px;
    position: relative;
    overflow: hidden;
}

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

.recipe-card:hover .recipe-image img {
    transform: scale(1.05);
}

.recipe-tag {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--primary);
    color: var(--text-light);
    padding: 5px 12px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.recipe-content {
    padding: 25px;
}

.recipe-content h3 {
    color: var(--text-dark);
    margin-bottom: 10px;
}

.recipe-content p {
    color: var(--text-medium);
    margin-bottom: 20px;
    font-size: var(--font-size-base);
}

.recipe-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Testimonials Section */
.testimonials {
    background: var(--bg-primary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial {
    background: var(--bg-secondary);
    padding: 30px;
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary);
}

.testimonial p {
    color: var(--text-dark);
    font-style: italic;
    margin-bottom: 25px;
    font-size: var(--font-size-lg);
    line-height: var(--leading-relaxed);
}

.testimonial footer {
    display: flex;
    gap: 15px;
    align-items: center;
}

.testimonial footer img {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 2px solid var(--primary);
}

.testimonial footer strong {
    display: block;
    color: var(--text-dark);
    font-size: var(--font-size-base);
}

.testimonial footer span {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

/* CTA Section */
.cta-section {
    background: var(--gradient-primary);
    color: var(--text-light);
    padding: 80px 0;
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-section h2 {
    color: var(--text-light);
    margin-bottom: 20px;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
    font-size: var(--font-size-xl);
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-section .btn-primary {
    background: var(--text-light);
    color: var(--primary);
}

.cta-section .btn-primary:hover {
    background: var(--bg-secondary);
    color: var(--primary);
}

.cta-section .btn-outline {
    background: transparent;
    color: var(--text-light);
    border-color: var(--text-light);
}

.cta-section .btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-light);
    color: var(--text-light);
}

/* Footer */
.footer {
    background: var(--bg-darker);
    color: var(--text-light);
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-about .logo {
    margin-bottom: 20px;
}

.footer-about .logo span {
    font-size: var(--font-size-xl);
}

.footer-about p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 25px;
    max-width: 300px;
}

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

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

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

.social-link svg {
    width: 20px;
    height: 20px;
}

.footer-links h4 {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: var(--font-size-lg);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

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

.footer-address {
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-address p {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    margin-bottom: 5px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
}

.footer-legal {
    display: flex;
    gap: 20px;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
}

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

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--text-light);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    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: 1000;
}

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

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
        margin: 0 auto;
    }
    
    .hero-visual {
        justify-self: center;
        margin-top: 40px;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
        --container-width: 100%;
    }
    
    .nav {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero {
        padding: 100px 0 40px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .stat {
        min-width: auto;
    }
    
    .steps-container {
        padding: 0 15px;
    }
    
    .step {
        flex-direction: column;
        gap: 15px;
    }
    
    .step-number {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-xl);
    }
    
    .step-content {
        text-align: center;
    }
    
    .step-content h3,
    .step-content p {
        text-align: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .footer-legal {
        justify-content: center;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-large {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        flex-direction: column;
    }
    
    .cards-grid,
    .benefits-grid,
    .recipes-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        gap: 15px;
    }
}

/* Mobile Navigation (will be added by JavaScript) */
.mobile-nav {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    padding: 20px;
    display: none;
    flex-direction: column;
    gap: 15px;
    box-shadow: var(--shadow-md);
    z-index: 999;
}

.mobile-nav.active {
    display: flex;
}

.mobile-nav .nav-link {
    padding: 12px 15px;
    text-align: center;
    border-radius: var(--radius-md);
}

.mobile-nav .nav-link:hover {
    background: var(--bg-secondary);
}

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

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease forwards;
}

/* Loading State */
* {
    -webkit-tap-highlight-color: transparent;
}

/* Focus States for Accessibility */
:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

button:focus,
a:focus {
    outline: none;
}

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

/* Selection */
::selection {
    background: var(--primary);
    color: var(--text-light);
}