/**
 * Cindeki Ofisiniz - Ana Stil Dosyası
 * Modern B2B Tedarik Sistemi
 */

/* ===== CSS Variables ===== */
:root {
    /* Renkler */
    --primary: #c41e3a;
    --primary-dark: #a01830;
    --primary-light: #e8354f;
    --secondary: #1a1a2e;
    --secondary-light: #16213e;
    --accent: #f0a500;
    --accent-light: #ffbe2e;
    
    /* Nötr Renkler */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Durum Renkleri */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    
    /* Tipografi */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Poppins', var(--font-primary);
    
    /* Boyutlar */
    --container-max: 1320px;
    --header-height: 80px;
    --header-height-mobile: 60px;
    
    /* Geçişler */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Gölgeler */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
    list-style: none;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    color: var(--gray-900);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
}

.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-accent { color: var(--accent); }
.text-muted { color: var(--gray-500); }
.text-center { text-align: center; }

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

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

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

.btn-secondary {
    background: var(--secondary);
    color: var(--white);
}

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

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

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

.btn-accent {
    background: var(--accent);
    color: var(--gray-900);
}

.btn-accent:hover {
    background: var(--accent-light);
}

.btn-whatsapp {
    background: #25d366;
    color: var(--white);
}

.btn-whatsapp:hover {
    background: #1da851;
    color: var(--white);
}

.btn-wechat {
    background: #7bb32e;
    color: var(--white);
}

.btn-wechat:hover {
    background: #6a9d27;
    color: var(--white);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.125rem;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--white);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: all var(--transition-base);
}

.header.scrolled {
    height: 70px;
    box-shadow: var(--shadow-lg);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 45px;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--secondary);
}

.logo-text span {
    color: var(--primary);
}

/* Navigation */
.main-nav {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 10px 16px;
    color: var(--gray-700);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: var(--gray-50);
}

/* Dropdown */
.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
}

.nav-item:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 10px 20px;
    color: var(--gray-700);
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--gray-50);
    color: var(--primary);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.lang-switcher {
    display: flex;
    gap: 5px;
}

.lang-btn {
    padding: 6px 12px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-600);
    background: var(--gray-100);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-btn:hover,
.lang-btn.active {
    background: var(--primary);
    color: var(--white);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 10px;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    transition: all var(--transition-fast);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    margin-top: var(--header-height);
    min-height: 600px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.2;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    padding: 60px 0;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--accent);
    color: var(--gray-900);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 3rem;
    color: var(--white);
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.25rem;
    color: var(--gray-300);
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

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

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--primary);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 15px;
}

.section-title {
    font-size: 2.25rem;
    margin-bottom: 15px;
}

.section-desc {
    font-size: 1.125rem;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto;
}

.bg-gray {
    background: var(--gray-50);
}

.bg-dark {
    background: var(--secondary);
}

/* ===== Product Cards ===== */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

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

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

.product-image {
    position: relative;
    height: 220px;
    overflow: hidden;
    background: var(--gray-100);
}

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

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-badges {
    position: absolute;
    top: 10px;
    left: 10px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.badge {
    display: inline-block;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
}

.badge-new {
    background: var(--success);
    color: var(--white);
}

.badge-oem {
    background: var(--accent);
    color: var(--gray-900);
}

.badge-featured {
    background: var(--primary);
    color: var(--white);
}

.product-content {
    padding: 20px;
}

.product-category {
    font-size: 0.75rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 5px;
}

.product-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-title a {
    color: var(--gray-800);
}

.product-title a:hover {
    color: var(--primary);
}

.product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
}

.product-price .from {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--gray-500);
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--gray-200);
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* ===== Category Cards ===== */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.category-card {
    text-align: center;
    padding: 30px 20px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

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

.category-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    font-size: 1.5rem;
    color: var(--primary);
    transition: all var(--transition-base);
}

.category-card:hover .category-icon {
    background: var(--primary);
    color: var(--white);
}

.category-name {
    font-weight: 600;
    color: var(--gray-800);
}

.category-count {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* ===== Services Section ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service-card {
    padding: 40px 30px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-base);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-xl);
    font-size: 2rem;
    color: var(--white);
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: 15px;
}

.service-desc {
    color: var(--gray-500);
    margin-bottom: 20px;
}

/* ===== Price Table ===== */
.price-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.price-table th,
.price-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.price-table th {
    background: var(--gray-50);
    font-weight: 600;
    color: var(--gray-700);
}

.price-table tr:hover {
    background: var(--gray-50);
}

.price-highlight {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
}

.price-highlight th,
.price-highlight td {
    background: transparent;
    border-color: rgba(255,255,255,0.2);
}

/* ===== Blog Cards ===== */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

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

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

.blog-image {
    height: 200px;
    overflow: hidden;
}

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

.blog-card:hover .blog-image img {
    transform: scale(1.1);
}

.blog-content {
    padding: 25px;
}

.blog-meta {
    display: flex;
    gap: 15px;
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: 10px;
}

.blog-title {
    font-size: 1.125rem;
    margin-bottom: 10px;
}

.blog-title a {
    color: var(--gray-800);
}

.blog-title a:hover {
    color: var(--primary);
}

.blog-excerpt {
    color: var(--gray-600);
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ===== Contact Section ===== */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
}

.contact-info {
    padding: 40px;
    background: var(--secondary);
    border-radius: var(--radius-lg);
    color: var(--white);
}

.contact-info h3 {
    color: var(--white);
    margin-bottom: 20px;
}

.contact-info p {
    color: var(--gray-300);
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    color: var(--accent);
}

.contact-text h4 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: 5px;
}

.contact-text p {
    color: var(--gray-300);
    margin: 0;
}

.contact-text a {
    color: var(--gray-300);
}

.contact-text a:hover {
    color: var(--white);
}

.social-links {
    display: flex;
    gap: 10px;
    margin-top: 30px;
}

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

.social-link:hover {
    background: var(--primary);
    color: var(--white);
}

/* Contact Form */
.contact-form {
    padding: 40px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--gray-700);
}

.form-label .required {
    color: var(--error);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(196, 30, 58, 0.1);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

/* ===== Footer ===== */
.footer {
    background: var(--secondary);
    color: var(--gray-300);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

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

.footer-about .logo-text {
    color: var(--white);
}

.footer-about p {
    color: var(--gray-400);
    margin-bottom: 20px;
}

.footer-title {
    color: var(--white);
    font-size: 1.125rem;
    margin-bottom: 25px;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--gray-400);
}

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

.footer-contact-item {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    color: var(--gray-400);
}

.footer-contact-item i {
    color: var(--primary);
}

.footer-bottom {
    padding: 25px 0;
    text-align: center;
    color: var(--gray-500);
}

/* ===== Breadcrumb ===== */
.breadcrumb {
    padding: 15px 0;
    background: var(--gray-50);
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gray-500);
}

.breadcrumb-item a {
    color: var(--gray-600);
}

.breadcrumb-item a:hover {
    color: var(--primary);
}

.breadcrumb-item.active {
    color: var(--primary);
}

/* ===== Pagination ===== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}

.page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    color: var(--gray-700);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.page-link:hover,
.page-link.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

.page-link.disabled {
    opacity: 0.5;
    pointer-events: none;
}

/* ===== Alert Messages ===== */
.alert {
    padding: 15px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid var(--success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
    border: 1px solid var(--error);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
    border: 1px solid var(--warning);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info);
    border: 1px solid var(--info);
}

/* ===== Floating Action Buttons ===== */
.floating-buttons {
    position: fixed;
    right: 30px;
    bottom: 30px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 999;
}

.floating-btn {
    width: 55px;
    height: 55px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    color: var(--white);
    font-size: 1.5rem;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.floating-btn:hover {
    transform: scale(1.1);
    color: var(--white);
}

.btn-scroll-top {
    background: var(--secondary);
    opacity: 0;
    visibility: hidden;
}

.btn-scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

/* ===== Responsive Design ===== */
@media (max-width: 1200px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .categories-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .header {
        height: var(--header-height-mobile);
    }
    
    .hero {
        margin-top: var(--header-height-mobile);
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .main-nav {
        position: fixed;
        top: var(--header-height-mobile);
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--white);
        padding: 20px;
        transform: translateX(-100%);
        transition: transform var(--transition-base);
    }
    
    .main-nav.active {
        transform: translateX(0);
    }
    
    .nav-menu {
        flex-direction: column;
        width: 100%;
    }
    
    .nav-link {
        width: 100%;
        padding: 15px;
    }
    
    .nav-dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding-left: 20px;
        display: none;
    }
    
    .nav-item.open .nav-dropdown {
        display: block;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .hero h1 {
        font-size: 2.25rem;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }
    
    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-about .logo {
        justify-content: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
}

@media (max-width: 576px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .hero h1 {
        font-size: 1.75rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .floating-buttons {
        right: 15px;
        bottom: 15px;
    }
}