/* ========================================
   SILICONE SEX WORLD - JONY IVE STYLE
   Minimalist • Clean • Elegant
   ======================================== */

/* ========== IMPORTS ========== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@200;300;400;500;600&display=swap');

/* ========== CSS VARIABLES ========== */
:root {
    /* Jony Ive Color Palette */
    --white: #ffffff;
    --off-white: #fafafa;
    --light-gray: #f5f5f7;
    --mid-gray: #e8e8ed;
    --text-gray: #86868b;
    --dark-gray: #1d1d1f;
    --black: #000000;
    
    /* Accent - subtle warm tone */
    --accent: #0071e3;
    --accent-hover: #0077ed;
    --accent-light: rgba(0, 113, 227, 0.1);
    
    /* Glass Effect */
    --glass-bg: rgba(255, 255, 255, 0.72);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    
    /* Shadows - very subtle */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', sans-serif;
    --font-weight-light: 200;
    --font-weight-regular: 300;
    --font-weight-medium: 400;
    --font-weight-semibold: 500;
    --font-weight-bold: 600;
    
    /* Transitions - smooth and elegant */
    --transition-fast: 0.2s cubic-bezier(0.25, 0.1, 0.25, 1);
    --transition-normal: 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
    --transition-slow: 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
    
    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1200px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    background: var(--white);
    color: var(--dark-gray);
    line-height: 1.6;
    font-weight: var(--font-weight-regular);
    letter-spacing: -0.01em;
}

/* Custom Scrollbar - minimal */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-gray);
}

::-webkit-scrollbar-thumb {
    background: var(--mid-gray);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-gray);
}

::selection {
    background: var(--accent-light);
    color: var(--dark-gray);
}

/* ========== CONTAINER ========== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-semibold);
    letter-spacing: -0.02em;
    color: var(--dark-gray);
}

h1 {
    font-size: clamp(40px, 6vw, 64px);
    line-height: 1.1;
    font-weight: var(--font-weight-bold);
}

h2 {
    font-size: clamp(32px, 4vw, 48px);
    line-height: 1.15;
}

h3 {
    font-size: clamp(20px, 2.5vw, 24px);
    line-height: 1.25;
}

h4 {
    font-size: 18px;
    line-height: 1.3;
}

p {
    color: var(--text-gray);
    font-size: 17px;
    line-height: 1.7;
}

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

a:hover {
    color: var(--accent-hover);
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-family: var(--font-family);
    font-size: 15px;
    font-weight: var(--font-weight-medium);
    letter-spacing: -0.01em;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--black);
    transform: scale(1.02);
}

.btn-secondary {
    background: transparent;
    color: var(--dark-gray);
    border: 1px solid var(--mid-gray);
}

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

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

.btn-accent:hover {
    background: var(--accent-hover);
    transform: scale(1.02);
}

/* ========== AGE GATE ========== */
.age-gate {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-slow);
}

.age-gate.active {
    opacity: 1;
    visibility: visible;
}

.age-gate-content {
    text-align: center;
    max-width: 400px;
    padding: 48px;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.age-gate-icon {
    font-size: 48px;
    margin-bottom: 24px;
    display: block;
}

.age-gate-content h2 {
    font-size: 28px;
    margin-bottom: 16px;
}

.age-gate-content p {
    font-size: 15px;
    margin-bottom: 32px;
}

.age-gate-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.age-gate-buttons .btn {
    width: 100%;
}

/* ========== PROMO BANNER ========== */
.promo-banner {
    background: var(--dark-gray);
    color: var(--white);
    text-align: center;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: var(--font-weight-medium);
}

.promo-banner strong {
    color: var(--white);
}

/* ========== TOP BAR ========== */
.top-bar {
    background: var(--light-gray);
    padding: 8px 0;
    font-size: 13px;
    border-bottom: 1px solid var(--mid-gray);
}

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

.top-bar-contact {
    display: flex;
    gap: 24px;
}

.top-bar-contact a,
.top-bar-links a {
    color: var(--text-gray);
    font-weight: var(--font-weight-medium);
}

.top-bar-contact a:hover,
.top-bar-links a:hover {
    color: var(--dark-gray);
}

/* ========== HEADER ========== */
.header-main {
    position: sticky;
    top: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    z-index: 1000;
    transition: var(--transition-normal);
}

.header-main .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.header-main.scrolled {
    box-shadow: var(--shadow-sm);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: var(--font-weight-semibold);
    color: var(--dark-gray);
    letter-spacing: -0.02em;
}

.logo-icon {
    font-size: 20px;
}

.logo span {
    font-weight: var(--font-weight-bold);
}

/* Navigation */
.nav-main {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-main a {
    color: var(--text-gray);
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    transition: var(--transition-fast);
}

.nav-main a:hover,
.nav-main a.active {
    color: var(--dark-gray);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--light-gray);
    border-radius: var(--radius-full);
    padding: 8px 16px;
    gap: 8px;
}

.search-box input {
    border: none;
    background: transparent;
    font-size: 14px;
    width: 160px;
    color: var(--dark-gray);
    font-family: var(--font-family);
}

.search-box input::placeholder {
    color: var(--text-gray);
}

.search-box input:focus {
    outline: none;
}

.icon-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--light-gray);
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.icon-btn:hover {
    background: var(--mid-gray);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: none;
    background: transparent;
    cursor: pointer;
    position: relative;
    z-index: 1001;
}

.hamburger {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--dark-gray);
    position: relative;
    transition: var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 2px;
    background: var(--dark-gray);
    transition: var(--transition-fast);
}

.hamburger::before {
    top: -6px;
}

.hamburger::after {
    bottom: -6px;
}

.mobile-menu-toggle.active .hamburger {
    background: transparent;
}

.mobile-menu-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.mobile-menu-toggle.active .hamburger::after {
    bottom: 0;
    transform: rotate(-45deg);
}

/* ========== HERO SECTION ========== */
.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--light-gray);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.9;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0.3) 0%,
        rgba(255, 255, 255, 0.6) 50%,
        rgba(255, 255, 255, 0.95) 100%
    );
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 700px;
    padding: 60px 0;
}

.hero-badge {
    display: inline-block;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    padding: 10px 20px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: var(--font-weight-medium);
    color: var(--text-gray);
    margin-bottom: 24px;
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.hero h1 {
    margin-bottom: 24px;
    color: var(--dark-gray);
}

.gradient-text {
    background: linear-gradient(135deg, var(--dark-gray) 0%, var(--text-gray) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 19px;
    color: var(--text-gray);
    margin-bottom: 40px;
    max-width: 560px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

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

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 64px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header p {
    font-size: 17px;
}

/* ========== TRUST ROW ========== */
.trust-row {
    padding: 80px 0;
    background: var(--white);
    border-bottom: 1px solid var(--mid-gray);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.trust-item {
    text-align: center;
    padding: 32px 24px;
    background: var(--light-gray);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.trust-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.trust-icon {
    font-size: 32px;
    margin-bottom: 16px;
    display: block;
}

.trust-item h4 {
    margin-bottom: 8px;
    font-size: 16px;
}

.trust-item p {
    font-size: 14px;
    color: var(--text-gray);
}

/* ========== PRODUCTS SECTION ========== */
.products-section {
    background: var(--off-white);
}

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

.product-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
    border: 1px solid var(--mid-gray);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.product-image {
    position: relative;
    aspect-ratio: 3/4;
    overflow: hidden;
    background: var(--light-gray);
}

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

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

.product-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 12px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-badge.new {
    background: var(--dark-gray);
    color: var(--white);
}

.product-badge.sale {
    background: #ff3b30;
    color: var(--white);
}

.product-badge.stock {
    background: #34c759;
    color: var(--white);
}

.product-wishlist {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border: none;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    cursor: pointer;
    font-size: 16px;
    transition: var(--transition-fast);
    opacity: 0;
}

.product-card:hover .product-wishlist {
    opacity: 1;
}

.product-wishlist:hover {
    background: var(--white);
    transform: scale(1.1);
}

.product-wishlist.active {
    color: #ff3b30;
}

.product-info {
    padding: 20px;
}

.product-info h3 {
    font-size: 16px;
    font-weight: var(--font-weight-medium);
    margin-bottom: 8px;
    color: var(--dark-gray);
}

.product-meta {
    font-size: 13px;
    color: var(--text-gray);
    margin-bottom: 12px;
}

.product-price {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.price-current {
    font-size: 18px;
    font-weight: var(--font-weight-semibold);
    color: var(--dark-gray);
}

.price-old {
    font-size: 14px;
    color: var(--text-gray);
    text-decoration: line-through;
}

.product-actions .btn {
    width: 100%;
    padding: 12px 20px;
    font-size: 14px;
}

/* ========== DETAILS SECTION ========== */
.details-section {
    background: var(--white);
}

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

.detail-card {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
}

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

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

.detail-card::after {
    content: attr(data-label);
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px 16px;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, transparent 100%);
    color: var(--white);
    font-size: 14px;
    font-weight: var(--font-weight-medium);
}

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

.category-card {
    position: relative;
    aspect-ratio: 3/4;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
}

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

.category-card:hover img {
    transform: scale(1.08);
}

.category-content {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 32px 24px;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.2) 50%, transparent 100%);
    color: var(--white);
}

.category-icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.category-content h3 {
    color: var(--white);
    font-size: 20px;
    margin-bottom: 8px;
}

.category-content p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

/* ========== CUSTOMIZATION ========== */
.customization-section {
    position: relative;
    background: var(--dark-gray);
    color: var(--white);
    overflow: hidden;
}

.customization-section .section-bg {
    position: absolute;
    inset: 0;
    opacity: 0.3;
}

.customization-section .section-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.customization-section .container {
    position: relative;
    z-index: 2;
}

.customization-section .section-header h2,
.customization-section .section-header p {
    color: var(--white);
}

.customization-section .section-header p {
    opacity: 0.8;
}

.customization-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 48px;
}

.custom-option {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    padding: 24px;
    text-align: center;
    transition: var(--transition-normal);
}

.custom-option:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

.custom-icon {
    font-size: 28px;
    margin-bottom: 12px;
    display: block;
}

.custom-option h4 {
    color: var(--white);
    font-size: 14px;
    font-weight: var(--font-weight-medium);
}

.btn-gold {
    background: var(--white);
    color: var(--dark-gray);
}

.btn-gold:hover {
    background: var(--off-white);
    transform: scale(1.02);
}

/* ========== BRANDS ========== */
.brands-section {
    background: var(--light-gray);
}

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

.brand-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    text-align: center;
    transition: var(--transition-normal);
    border: 1px solid var(--mid-gray);
}

.brand-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.brand-logo {
    width: 64px;
    height: 64px;
    background: var(--light-gray);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 20px;
    font-weight: var(--font-weight-bold);
    color: var(--dark-gray);
}

.brand-card h4 {
    margin-bottom: 8px;
}

.brand-card p {
    font-size: 14px;
}

/* ========== WHY US ========== */
.why-us-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.why-card {
    background: var(--light-gray);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition-normal);
}

.why-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
}

.why-icon {
    font-size: 28px;
    margin-bottom: 16px;
    display: block;
}

.why-card h4 {
    margin-bottom: 8px;
}

.why-card p {
    font-size: 14px;
}

/* ========== FAQ ========== */
.faq-section {
    background: var(--off-white);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    overflow: hidden;
    border: 1px solid var(--mid-gray);
    transition: var(--transition-normal);
}

.faq-item:hover {
    border-color: var(--text-gray);
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    background: transparent;
    border: none;
    text-align: left;
    font-family: var(--font-family);
    font-size: 16px;
    font-weight: var(--font-weight-medium);
    color: var(--dark-gray);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
}

.faq-icon {
    font-size: 12px;
    color: var(--text-gray);
    transition: var(--transition-normal);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: var(--transition-normal);
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer-content {
    padding: 0 24px 20px;
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.7;
}

.faq-answer-content a {
    color: var(--accent);
}

/* ========== FOOTER ========== */
.footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 20px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    margin-bottom: 24px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.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(--white);
    font-size: 16px;
    transition: var(--transition-fast);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.footer-column h4 {
    color: var(--white);
    font-size: 14px;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

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

.footer-column a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    transition: var(--transition-fast);
}

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

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
}

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

/* ========== BLOG ========== */
.blog-hero {
    position: relative;
    padding: 120px 0 80px;
    background: var(--light-gray);
    overflow: hidden;
}

.blog-hero .hero-bg {
    position: absolute;
    inset: 0;
    opacity: 0.3;
}

.blog-hero .hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-hero .container {
    position: relative;
    z-index: 2;
}

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

.blog-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 48px;
}

.filter-btn {
    padding: 10px 20px;
    background: var(--white);
    border: 1px solid var(--mid-gray);
    border-radius: var(--radius-full);
    font-family: var(--font-family);
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    color: var(--text-gray);
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--dark-gray);
    color: var(--white);
    border-color: var(--dark-gray);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.blog-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
    border: 1px solid var(--mid-gray);
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.blog-card-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

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

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

.blog-category {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 12px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: var(--font-weight-medium);
    color: var(--dark-gray);
}

.blog-card-content {
    padding: 24px;
}

.blog-card-content h3 {
    font-size: 18px;
    margin-bottom: 12px;
    line-height: 1.4;
}

.blog-card-content p {
    font-size: 14px;
    margin-bottom: 16px;
}

.blog-meta {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--text-gray);
}

/* ========== ARTICLE ========== */
.article-hero {
    position: relative;
    padding: 120px 0 80px;
    background: var(--light-gray);
    overflow: hidden;
}

.article-hero .hero-bg {
    position: absolute;
    inset: 0;
    opacity: 0.4;
}

.article-hero .hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-hero .container {
    position: relative;
    z-index: 2;
}

.breadcrumb {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 24px;
}

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

.breadcrumb a:hover {
    color: var(--dark-gray);
}

.article-category {
    display: inline-block;
    padding: 6px 14px;
    background: var(--dark-gray);
    color: var(--white);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: var(--font-weight-medium);
    margin-bottom: 16px;
}

.article-hero h1 {
    font-size: clamp(32px, 5vw, 48px);
    margin-bottom: 20px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 14px;
    color: var(--text-gray);
}

.article-content {
    padding: 80px 0;
}

.article-body {
    max-width: 720px;
    margin: 0 auto;
}

.article-body .lead {
    font-size: 20px;
    color: var(--dark-gray);
    line-height: 1.7;
    margin-bottom: 40px;
}

.article-body h2 {
    font-size: 28px;
    margin: 48px 0 20px;
}

.article-body h3 {
    font-size: 22px;
    margin: 32px 0 16px;
}

.article-body p {
    margin-bottom: 20px;
}

.article-body ul,
.article-body ol {
    margin: 20px 0;
    padding-left: 24px;
}

.article-body li {
    margin-bottom: 8px;
    color: var(--text-gray);
}

.info-box {
    background: var(--light-gray);
    border-radius: var(--radius-md);
    padding: 24px;
    margin: 32px 0;
}

.info-box h4 {
    margin-bottom: 16px;
}

.info-box ul {
    margin: 0;
}

.comparison-table {
    margin: 32px 0;
    overflow-x: auto;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--mid-gray);
}

.comparison-table th {
    background: var(--light-gray);
    font-weight: var(--font-weight-semibold);
    font-size: 14px;
}

.comparison-table td {
    font-size: 14px;
    color: var(--text-gray);
}

.choice-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin: 32px 0;
}

.choice-card {
    background: var(--light-gray);
    border-radius: var(--radius-md);
    padding: 24px;
}

.choice-card h3 {
    font-size: 18px;
    margin-bottom: 16px;
}

.choice-card ul {
    margin: 0;
}

.featured-image {
    margin: 40px 0;
}

.featured-image img {
    width: 100%;
    border-radius: var(--radius-lg);
}

.featured-image .caption {
    text-align: center;
    font-size: 14px;
    color: var(--text-gray);
    margin-top: 12px;
}

.cta-box {
    background: var(--dark-gray);
    color: var(--white);
    border-radius: var(--radius-lg);
    padding: 48px;
    text-align: center;
    margin: 48px 0;
}

.cta-box h3 {
    color: var(--white);
    margin-bottom: 12px;
}

.cta-box p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 24px;
}

.related-articles {
    background: var(--light-gray);
}

.related-articles h2 {
    text-align: center;
    margin-bottom: 48px;
}

/* ========== ANIMATIONS ========== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }

/* ========== RESPONSIVE - MOBILE MENU ========== */
@media (max-width: 1024px) {
    .nav-main {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        max-width: 400px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        padding: 100px 40px 40px;
        gap: 0;
        box-shadow: var(--shadow-xl);
        transition: right 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
        z-index: 999;
    }
    
    .nav-main.active {
        right: 0;
    }
    
    .nav-main a {
        font-size: 24px;
        font-weight: var(--font-weight-medium);
        color: var(--dark-gray);
        padding: 16px 0;
        width: 100%;
        border-bottom: 1px solid var(--mid-gray);
    }
    
    .mobile-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .mobile-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-normal);
        z-index: 998;
    }
    
    .mobile-overlay.active {
        opacity: 1;
        visibility: visible;
    }
    
    .header-actions .search-box {
        display: none;
    }
    
    .products-grid,
    .categories-grid,
    .details-grid,
    .brands-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .trust-grid,
    .customization-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .why-us-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .choice-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }
    
    .top-bar {
        display: none;
    }
    
    .promo-banner {
        font-size: 12px;
        padding: 10px 16px;
    }
    
    .header-main .container {
        height: 56px;
    }
    
    .logo {
        font-size: 16px;
    }
    
    .hero {
        min-height: 70vh;
    }
    
    .hero-content {
        padding: 40px 0;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .products-grid,
    .categories-grid,
    .details-grid,
    .brands-grid,
    .trust-grid,
    .customization-grid,
    .why-us-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .blog-filters {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 8px;
    }
    
    .filter-btn {
        flex-shrink: 0;
    }
    
    .article-body {
        padding: 0 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    h1 {
        font-size: 32px;
    }
    
    h2 {
        font-size: 26px;
    }
    
    .section-header {
        margin-bottom: 40px;
    }
    
    .product-info {
        padding: 16px;
    }
    
    .nav-main {
        max-width: 100%;
        padding: 80px 24px 24px;
    }
    
    .nav-main a {
        font-size: 20px;
        padding: 14px 0;
    }
}

/* ========== UTILITY CLASSES ========== */
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

/* Hide elements */
.hidden { display: none !important; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}