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

:root {
    --primary: #059669;
    --primary-dark: #047857;
    --primary-light: #10B981;
    --accent: #FBBF24;
    --dark: #111827;
    --dark-alt: #1F2937;
    --gray-900: #374151;
    --gray-700: #4B5563;
    --gray-500: #6B7280;
    --gray-300: #D1D5DB;
    --gray-100: #F3F4F6;
    --white: #ffffff;
    --border: #E5E7EB;
    --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 30px rgba(5, 150, 105, 0.12);
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--white);
    color: var(--gray-900);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--white);
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

.header-top {
    background: var(--dark);
    padding: 8px 0;
    font-size: 13px;
    color: var(--gray-300);
}

.header-top .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-top a {
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 600;
}

.header-main {
    padding: 14px 0;
}

.header-main .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo img {
    height: auto;
    width: 280px;
}

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

.nav a {
    color: var(--gray-700);
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    transition: color 0.3s;
    position: relative;
}

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

.nav a.active::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary);
    border-radius: 1px;
}

.header-cta {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-phone {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
}

/* Buttons */
.btn-primary {
    display: inline-block;
    background: var(--primary);
    color: var(--white);
    padding: 12px 26px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

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

.btn-white {
    display: inline-block;
    background: var(--white);
    color: var(--primary);
    padding: 12px 26px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    transition: all 0.3s;
}

.btn-white:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
}

.btn-outline {
    display: inline-block;
    border: 2px solid var(--primary);
    color: var(--primary);
    padding: 10px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 13px;
    transition: all 0.3s;
}

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

/* Hero */
.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    margin-top: 90px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(17, 24, 39, 0.95) 0%, rgba(17, 24, 39, 0.6) 60%, transparent 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 580px;
    padding: 60px 24px;
}

.hero-badge {
    display: inline-block;
    background: rgba(5, 150, 105, 0.15);
    color: var(--primary-light);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
    border: 1px solid rgba(5, 150, 105, 0.3);
}

.hero-content h1 {
    font-size: 46px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
    line-height: 1.15;
}

.hero-content h1 span {
    color: var(--primary-light);
}

.hero-content p {
    font-size: 17px;
    color: var(--gray-300);
    margin-bottom: 30px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

/* Sections */
.section {
    padding: 80px 0;
}

.section-alt {
    background: var(--gray-100);
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 30px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 10px;
}

.section-header p {
    color: var(--gray-500);
    font-size: 16px;
}

.section-header .divider {
    width: 50px;
    height: 4px;
    background: var(--primary);
    margin: 14px auto 0;
    border-radius: 2px;
}

/* Category Grid */
.category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.category-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid var(--border);
}

.category-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.category-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.category-info {
    padding: 22px;
}

.category-info h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--dark);
}

.category-info p {
    color: var(--gray-500);
    margin-bottom: 14px;
    font-size: 14px;
    line-height: 1.5;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    text-align: center;
    padding: 32px 18px;
    border-radius: 12px;
    background: var(--white);
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.feature-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.feature-icon {
    width: 54px;
    height: 54px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px;
    font-size: 22px;
    color: var(--white);
}

.feature-card h3 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--dark);
}

.feature-card p {
    color: var(--gray-500);
    font-size: 13px;
    line-height: 1.6;
}

/* Products */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.product-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.product-info {
    padding: 20px;
}

.product-info .brand {
    font-size: 11px;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.product-info h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.product-info .price {
    font-size: 20px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 12px;
}

.product-info .desc {
    color: var(--gray-500);
    font-size: 14px;
    margin-bottom: 12px;
    line-height: 1.5;
}

/* Brands */
.brands-section {
    padding: 50px 0;
    text-align: center;
    background: var(--white);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.brands-section h3 {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--gray-500);
    margin-bottom: 20px;
}

.brands-list {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 36px;
    flex-wrap: wrap;
}

.brands-list span {
    font-size: 15px;
    font-weight: 800;
    color: var(--gray-700);
    text-transform: uppercase;
}

/* CTA */
.cta {
    padding: 80px 0;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}

.cta h2 {
    font-size: 30px;
    font-weight: 800;
    margin-bottom: 14px;
    color: var(--white);
}

.cta p {
    font-size: 17px;
    color: rgba(255,255,255,0.85);
    margin-bottom: 28px;
    max-width: 550px;
    margin-left: auto;
    margin-right: auto;
}

/* Page Header */
.page-header {
    padding: 140px 0 50px;
    text-align: center;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-alt) 100%);
}

.page-header h1 {
    font-size: 36px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 10px;
}

.page-header p {
    font-size: 16px;
    color: var(--gray-300);
}

/* About */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    margin-bottom: 60px;
}

.about-text h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 16px;
}

.about-text p {
    color: var(--gray-700);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 14px;
}

.about-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}

.stat-card {
    background: var(--gray-100);
    padding: 30px 18px;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.stat-card .stat-number {
    font-size: 30px;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 4px;
}

.stat-card .stat-label {
    color: var(--gray-500);
    font-size: 13px;
    font-weight: 600;
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
}

.contact-form {
    background: var(--gray-100);
    padding: 36px;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.contact-form h3 {
    font-size: 20px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 14px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--dark);
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.1);
}

.form-group textarea {
    height: 120px;
    resize: vertical;
}

.contact-info-card {
    background: var(--gray-100);
    padding: 36px;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.contact-info-card h3 {
    font-size: 20px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 24px;
}

.info-item {
    margin-bottom: 18px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border);
}

.info-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.info-item strong {
    display: block;
    color: var(--primary);
    font-size: 12px;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-item p {
    color: var(--gray-700);
    font-size: 15px;
}

/* Footer */
.footer {
    background: var(--dark);
    padding: 60px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 36px;
    margin-bottom: 40px;
}

.footer-logo {
    height: auto;
    width: 220px;
    margin-bottom: 14px;
}

.footer-col p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.7;
}

.footer-col h4 {
    font-size: 13px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-col a {
    display: block;
    color: var(--gray-500);
    text-decoration: none;
    font-size: 14px;
    margin-bottom: 8px;
    transition: color 0.3s;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--gray-500);
}

/* Responsive */
@media (max-width: 768px) {
    .nav { display: none; }
    .header-cta { display: none; }
    .hero-content h1 { font-size: 30px; }
    .hero { min-height: 70vh; }
    .category-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr 1fr; }
    .products-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .about-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .header-top .container { flex-direction: column; gap: 4px; text-align: center; }
}