/* Reset et base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Palette de couleurs inspirée du logo */
    --primary-blue: #1e3a8a;
    --primary-blue-light: #3b82f6;
    --primary-blue-dark: #1e40af;
    --accent-gold: #f59e0b;
    --accent-gold-light: #fbbf24;
    --accent-gold-dark: #d97706;
    --neutral-dark: #1f2937;
    --neutral-medium: #6b7280;
    --neutral-light: #f8fafc;
    --success-green: #059669;
    --warning-orange: #ea580c;
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --background-white: #ffffff;
    --background-light: #f8fafc;
    --border-light: #e5e7eb;
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-white);
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--border-light);
    transition: all 0.3s ease;
    transform: translateY(0);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.header.hidden {
    transform: translateY(-100%);
}

.navbar {
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: transparent;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}

.logo-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

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

.logo-text h1 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-blue);
    letter-spacing: -0.02em;
    margin: 0;
    line-height: 1.2;
}

.logo-text p {
    font-size: 0.8rem;
    color: var(--accent-gold);
    font-weight: 600;
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.nav-menu a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gold);
    transition: width 0.3s ease;
}

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

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

.hamburger span {
    width: 25px;
    height: 2px;
    background: #1a1a1a;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--background-light) 0%, var(--background-white) 100%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    min-height: 100vh;
}

.hero-text h1 {
    font-size: 4rem;
    font-weight: 300;
    color: #1a1a1a;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
    padding: 0 2rem;
}

.hero-text h2 {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 2rem;
    letter-spacing: -0.01em;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    line-height: 1.6;
    font-weight: 400;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}


.cta-primary, .cta-secondary {
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: 2px solid var(--primary-blue);
    display: inline-block;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.cta-primary {
    background: var(--primary-blue);
    color: white;
}

.cta-primary:hover {
    background: var(--primary-blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 15px -3px rgba(0, 0, 0, 0.2);
}

.cta-secondary {
    background: transparent;
    color: var(--primary-blue);
}

.cta-secondary:hover {
    background: var(--accent-gold);
    color: white;
    border-color: var(--accent-gold);
    transform: translateY(-2px);
    box-shadow: 0 8px 15px -3px rgba(0, 0, 0, 0.2);
}

/* Quick Contact Section */
.quick-contact-section {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: white;
}

.quick-contact-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.quick-contact-content h2 {
    font-size: 2.5rem;
    font-weight: 300;
    color: white;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.quick-contact-content p {
    color: #ccc;
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.quick-contact-form .form-group {
    display: flex;
    gap: 0;
    max-width: 400px;
    margin: 0 auto;
}

.quick-contact-form input {
    flex: 1;
    padding: 1rem 1.2rem;
    border: 2px solid #333;
    border-radius: 8px 0 0 8px;
    font-size: 1rem;
    background: white;
    transition: border-color 0.3s ease;
}

.quick-contact-form input:focus {
    outline: none;
    border-color: var(--accent-gold);
}

.submit-email-btn {
    background: var(--accent-gold);
    color: white;
    border: none;
    padding: 1rem 1.5rem;
    border-radius: 0 8px 8px 0;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.submit-email-btn:hover {
    background: var(--accent-gold-dark);
    transform: translateY(-1px);
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    min-height: 60vh;
}

.hero-image-container {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 60vh;
    overflow: hidden;
}

.hero-main-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: center;
    align-items: center;
}

.paper-stack {
    position: relative;
    width: 200px;
    height: 280px;
}

.paper-sheet {
    position: absolute;
    width: 120px;
    height: 160px;
    border-radius: 4px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
}

.paper-1 {
    transform: rotate(-5deg) translate(0, 0);
    z-index: 3;
}

.paper-2 {
    transform: rotate(2deg) translate(20px, 20px);
    z-index: 2;
}

.paper-3 {
    transform: rotate(-2deg) translate(40px, 40px);
    z-index: 1;
}

.hero-image-container:hover .paper-1 {
    transform: rotate(-8deg) translate(-10px, -10px);
}

.hero-image-container:hover .paper-2 {
    transform: rotate(5deg) translate(30px, 30px);
}

.hero-image-container:hover .paper-3 {
    transform: rotate(-5deg) translate(50px, 50px);
}

/* About Section */
.about-section {
    padding: 8rem 0;
    background: #ffffff;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 6rem;
    align-items: center;
}

.about-text h2 {
    font-size: 3rem;
    font-weight: 300;
    color: var(--primary-blue);
    margin-bottom: 3rem;
    text-align: left;
    letter-spacing: -0.02em;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.feature-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.feature-icon {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.feature-content h3 {
    color: var(--primary-blue);
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.feature-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 1rem;
}

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

.about-image-container {
    width: 100%;
    height: 300px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-main-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.about-image-container:hover .about-main-image {
    transform: scale(1.05);
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.stat-item {
    text-align: center;
    background: linear-gradient(135deg, var(--background-light) 0%, var(--background-white) 100%);
    padding: 2.5rem 1.5rem;
    border-radius: 12px;
    transition: transform 0.3s ease;
    border: 1px solid var(--border-light);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px -3px rgba(0, 0, 0, 0.2);
}

.stat-item h3 {
    font-size: 3.5rem;
    color: var(--accent-gold);
    margin-bottom: 0.5rem;
    font-weight: 300;
    letter-spacing: -0.02em;
}

.stat-item p {
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

/* Products Section */
.products-section {
    padding: 8rem 0;
    background: var(--background-light);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 3rem;
    font-weight: 300;
    color: var(--primary-blue);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}


.products-showcase {
    margin-top: 2rem;
}

.product-category-section {
    margin-bottom: 6rem;
}

.category-title {
    font-size: 2rem;
    font-weight: 300;
    color: var(--primary-blue);
    margin-bottom: 3rem;
    text-align: center;
    letter-spacing: -0.01em;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.products-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.product-item {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid var(--border-light);
    cursor: pointer;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    box-shadow: 0 2px 4px -1px rgba(0, 0, 0, 0.1);
}

.product-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 25px -5px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-blue);
}

.product-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.product-header h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin: 0;
    flex: 1;
}

.product-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0;
}

.product-formats {
    display: flex;
    gap: 0.5rem;
    margin: 0;
}

.format-tag {
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-light) 100%);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Couleurs différentes par catégorie */
.product-category-section[data-category="bobines"] .product-item {
    border-left: 4px solid var(--primary-blue);
}

.product-category-section[data-category="bobines"] .product-item:hover {
    border-left-color: var(--primary-blue-dark);
    background: linear-gradient(135deg, #f0f4ff 0%, #ffffff 100%);
}

.product-category-section[data-category="feuilles"] .product-item {
    border-left: 4px solid var(--accent-gold);
}

.product-category-section[data-category="feuilles"] .product-item:hover {
    border-left-color: var(--accent-gold-dark);
    background: linear-gradient(135deg, #fffbeb 0%, #ffffff 100%);
}

/* Specifications */
.specifications {
    padding: 8rem 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: white;
}

.specifications h2 {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 4rem;
    font-weight: 300;
    letter-spacing: -0.02em;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
}

.spec-item {
    text-align: center;
    padding: 3rem 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 0;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease;
}

.spec-item:hover {
    transform: translateY(-5px);
}

.spec-item i {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: white;
}

.spec-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.spec-item p {
    color: #ccc;
    line-height: 1.6;
}

/* Contact Section */
.contact-section {
    padding: 8rem 0;
    background: var(--background-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    margin-top: 4rem;
}

.contact-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.contact-item {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    transition: transform 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
}

.contact-icon {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.contact-details h3 {
    color: var(--primary-blue);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
}

.contact-details p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.contact-details a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.contact-details a:hover {
    color: var(--accent-gold);
}

.contact-hours {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    height: fit-content;
}

.contact-hours h3 {
    color: var(--primary-blue);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-align: center;
}

.hours-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.hours-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 0;
    border-bottom: 1px solid #e9ecef;
}

.hours-item:last-child {
    border-bottom: none;
}

.day {
    font-weight: 500;
    color: var(--primary-blue);
}

.time {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Order Form */
.order-form {
    padding: 8rem 0;
    background: white;
}

.order-form h2 {
    text-align: center;
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary-blue);
    font-weight: 300;
    letter-spacing: -0.02em;
}

.order-form > p {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 6rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.form {
    max-width: 800px;
    margin: 0 auto;
    background: var(--background-light);
    padding: 4rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 2rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.8rem;
    font-weight: 600;
    color: var(--primary-blue);
    font-size: 1rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-light);
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

.checkbox-grid label {
    display: flex;
    align-items: center;
    font-weight: normal;
    cursor: pointer;
    padding: 1rem;
    border-radius: 0;
    transition: background-color 0.3s ease;
    background: white;
    border: 1px solid #e9ecef;
}

.checkbox-grid label:hover {
    background: #f8f9fa;
}

.checkbox-grid input[type="checkbox"] {
    width: auto;
    margin-right: 1rem;
}

.form-help {
    font-size: 0.9rem;
    color: #666;
    margin-top: 1rem;
    padding: 1rem;
    background: white;
    border-radius: 0;
    border-left: 4px solid #1a1a1a;
}

.submit-btn {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: white;
    padding: 1.2rem 3rem;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin: 0 auto;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.submit-btn:hover {
    background: linear-gradient(135deg, var(--primary-blue-dark) 0%, var(--primary-blue) 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 15px -3px rgba(0, 0, 0, 0.2);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: white;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    margin-bottom: 1.5rem;
    color: white;
    font-size: 1.3rem;
    font-weight: 600;
}

.footer-section p {
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: #ccc;
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
    color: #ccc;
}

.footer-section ul li::before {
    content: '▶';
    position: absolute;
    left: 0;
    color: white;
    font-size: 0.8rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.social-links a:hover {
    background: var(--accent-gold);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.8);
}

/* Desktop optimizations */
@media (min-width: 1200px) {
    .hero-content {
        grid-template-columns: 1fr 1fr;
        gap: 6rem;
        max-width: 100%;
    }
    
    .hero-visual {
        min-height: 80vh;
        width: 100%;
    }
    
    .hero-image-container {
        min-height: 80vh;
        width: 100%;
    }
    
    .hero-text {
        padding: 0 2rem;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: none;
    }
    
    .nav-menu {
        display: none;
    }
    
    .navbar {
        padding: 0.5rem 0;
    }
    
    .hero {
        padding-top: 80px;
        min-height: calc(100vh - 80px);
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
        padding-top: 2rem;
    }
    
    .hero-text h1 {
        font-size: 2rem;
        margin-bottom: 0.5rem;
    }
    
    .hero-text h2 {
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .quick-contact-content h2 {
        font-size: 2rem;
    }
    
    .quick-contact-form .form-group {
        flex-direction: column;
        gap: 1rem;
    }
    
    .quick-contact-form input {
        border-radius: 8px;
    }
    
    .submit-email-btn {
        border-radius: 8px;
        justify-content: center;
    }
    
    .logo-container {
        flex-direction: row;
        gap: 0.8rem;
        text-align: left;
    }
    
    .logo-icon {
        width: 35px;
        height: 35px;
    }
    
    .logo-text h1 {
        font-size: 1rem;
        line-height: 1.1;
    }
    
    .logo-text p {
        font-size: 0.6rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-features {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
    
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .products-list {
        gap: 0.8rem;
    }
    
    .product-item {
        padding: 1rem;
    }
    
    .product-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.8rem;
    }
    
    .product-header h4 {
        font-size: 1.2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .checkbox-grid {
        grid-template-columns: 1fr;
    }
    
    .specs-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .contact-item {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .form {
        padding: 2rem 1rem;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .hero-text h2 {
        font-size: 1.5rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .about-text h2 {
        font-size: 2rem;
    }
}

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

.product-item,
.spec-item,
.feature-item {
    animation: fadeInUp 0.6s ease-out;
}

/* Scroll smooth */
html {
    scroll-behavior: smooth;
}

/* Loading animation for form submission */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.loading .submit-btn {
    background: #666;
}

/* Success message */
.success-message {
    background: #d4edda;
    color: #155724;
    padding: 1rem;
    border-radius: 0;
    margin-bottom: 1rem;
    border: 1px solid #c3e6cb;
    display: none;
}

/* Error message */
.error-message {
    background: #f8d7da;
    color: #721c24;
    padding: 1rem;
    border-radius: 0;
    margin-bottom: 1rem;
    border: 1px solid #f5c6cb;
    display: none;
}