:root {
    --sky-50: #f0f9ff;
    --sky-100: #e0f2fe;
    --sky-200: #bae6fd;
    --sky-300: #7dd3fc;
    --sky-400: #38bdf8;
    --sky-500: #0ea5e9;
    --sky-600: #0284c7;
    --sky-700: #0369a1;
    --sky-800: #075985;
    --sky-900: #0c4a6e;
    --cyan-400: #22d3ee;
    --cyan-500: #06b6d4;
    --cyan-600: #0891b2;
    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    --slate-950: #020617;
    --emerald-400: #34d399;
    --emerald-500: #10b981;
    --violet-400: #a78bfa;
    --violet-500: #8b5cf6;
    --rose-400: #fb7185;
    --amber-400: #fbbf24;
    --white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    --radius-xs: 6px;
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 9999px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 40px rgba(14, 165, 233, 0.3);
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --duration-fast: 0.2s;
    --duration-normal: 0.3s;
    --duration-slow: 0.5s;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

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

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--slate-800);
    background: linear-gradient(180deg, var(--sky-50) 0%, var(--white) 100%);
    overflow-x: hidden;
    min-height: 100vh;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--duration-normal) var(--ease-out);
}

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

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

.wrapper {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== PRELOADER ===== */
.loader {
    position: fixed;
    inset: 0;
    background: linear-gradient(135deg, var(--sky-600) 0%, var(--cyan-500) 100%);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 32px;
    transition: opacity 0.8s var(--ease-out), visibility 0.8s var(--ease-out);
}

.loader.fade-out {
    opacity: 0;
    visibility: hidden;
}

.loader-icon {
    width: 80px;
    height: 80px;
    position: relative;
}

.loader-icon::before,
.loader-icon::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    animation: loaderPulse 2s ease-in-out infinite;
}

.loader-icon::before {
    inset: 0;
    background: rgba(255, 255, 255, 0.3);
    animation-delay: 0s;
}

.loader-icon::after {
    inset: 15px;
    background: var(--white);
    animation-delay: 0.3s;
}

@keyframes loaderPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.15); opacity: 0.7; }
}

.loader-brand {
    font-size: 32px;
    font-weight: 900;
    color: var(--white);
    letter-spacing: 4px;
    text-transform: uppercase;
}

.loader-logo {
    height: 100px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.3));
    animation: loaderLogoPulse 2s ease-in-out infinite;
}

@keyframes loaderLogoPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.08); opacity: 0.85; }
}

.loader-dots {
    display: flex;
    gap: 8px;
}

.loader-dot {
    width: 12px;
    height: 12px;
    background: var(--white);
    border-radius: 50%;
    animation: loaderBounce 1.4s ease-in-out infinite both;
}

.loader-dot:nth-child(1) { animation-delay: -0.32s; }
.loader-dot:nth-child(2) { animation-delay: -0.16s; }
.loader-dot:nth-child(3) { animation-delay: 0s; }

@keyframes loaderBounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

/* ===== TOP BAR ===== */
.topbar {
    background: linear-gradient(90deg, var(--slate-900) 0%, var(--slate-800) 100%);
    padding: 10px 0;
    font-size: 13px;
    color: var(--slate-300);
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.topbar-info {
    display: flex;
    align-items: center;
    gap: 24px;
}

.topbar-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.topbar-item svg {
    width: 14px;
    height: 14px;
    color: var(--sky-400);
}

.topbar-item a:hover {
    color: var(--sky-400);
}

.topbar-socials {
    display: flex;
    gap: 12px;
}

.topbar-social {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    color: var(--slate-300);
    transition: all var(--duration-normal) var(--ease-out);
}

.topbar-social:hover {
    background: var(--sky-500);
    color: var(--white);
    transform: translateY(-2px);
}

/* ===== HEADER ===== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
    transition: all var(--duration-normal) var(--ease-out);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-lg);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    gap: 40px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.brand-logo {
    height: 52px;
    width: auto;
    object-fit: contain;
    transition: transform var(--duration-normal) var(--ease-spring);
}

.brand:hover .brand-logo {
    transform: scale(1.05) rotate(-2deg);
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-size: 24px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--sky-600), var(--cyan-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.brand-tagline {
    font-size: 11px;
    color: var(--slate-500);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 500;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-item {
    position: relative;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 15px;
    color: var(--slate-700);
    transition: all var(--duration-normal) var(--ease-out);
}

.nav-item::before {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--sky-500), var(--cyan-500));
    border-radius: var(--radius-full);
    transition: width var(--duration-normal) var(--ease-out);
}

.nav-item:hover,
.nav-item.current {
    color: var(--sky-600);
}

.nav-item:hover::before,
.nav-item.current::before {
    width: 60%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.nav-search-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    color: var(--slate-600);
    transition: all var(--duration-normal) var(--ease-out);
}

.nav-search-btn:hover {
    background: var(--sky-100);
    color: var(--sky-600);
    transform: scale(1.1);
}

.nav-phone {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--sky-500), var(--cyan-500));
    color: var(--white);
    font-weight: 700;
    font-size: 14px;
    box-shadow: 0 4px 14px rgba(14, 165, 233, 0.4);
    transition: all var(--duration-normal) var(--ease-out);
}

.nav-phone:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(14, 165, 233, 0.5);
}

.nav-phone svg {
    width: 18px;
    height: 18px;
    animation: phoneRing 2s ease-in-out infinite;
}

@keyframes phoneRing {
    0%, 100% { transform: rotate(0); }
    10%, 30% { transform: rotate(-10deg); }
    20%, 40% { transform: rotate(10deg); }
    50% { transform: rotate(0); }
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    width: 32px;
    padding: 6px 0;
}

.hamburger-line {
    display: block;
    height: 3px;
    background: var(--slate-700);
    border-radius: var(--radius-full);
    transition: all var(--duration-normal) var(--ease-out);
}

.hamburger.open .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.hamburger.open .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: translateX(-20px);
}

.hamburger.open .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===== SEARCH OVERLAY ===== */
.search-panel {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 24px 0;
    border-bottom: 1px solid var(--slate-200);
    box-shadow: var(--shadow-xl);
    transform: translateY(-20px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--duration-normal) var(--ease-out);
}

.search-panel.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.search-box {
    display: flex;
    gap: 12px;
    align-items: center;
}

.search-field {
    flex: 1;
    padding: 16px 24px;
    border: 2px solid var(--slate-200);
    border-radius: var(--radius-full);
    font-size: 16px;
    outline: none;
    transition: all var(--duration-normal) var(--ease-out);
    background: var(--slate-50);
}

.search-field:focus {
    border-color: var(--sky-500);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.1);
}

.search-submit {
    padding: 16px 32px;
    background: linear-gradient(135deg, var(--sky-500), var(--cyan-500));
    color: var(--white);
    border-radius: var(--radius-full);
    font-weight: 700;
    transition: all var(--duration-normal) var(--ease-out);
}

.search-submit:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(14, 165, 233, 0.4);
}

.search-dismiss {
    font-size: 32px;
    color: var(--slate-400);
    padding: 8px;
    transition: all var(--duration-normal) var(--ease-out);
}

.search-dismiss:hover {
    color: var(--rose-400);
    transform: rotate(90deg);
}

/* ===== MOBILE MENU ===== */
.mobile-panel {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--white);
    z-index: 999;
    padding: 32px 24px;
    overflow-y: auto;
    transform: translateX(-100%);
    transition: transform 0.5s var(--ease-out);
}

.mobile-panel.open {
    transform: translateX(0);
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 32px;
}

.mobile-nav-link {
    padding: 16px 20px;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 18px;
    color: var(--slate-700);
    transition: all var(--duration-normal) var(--ease-out);
}

.mobile-nav-link:hover {
    background: var(--sky-50);
    color: var(--sky-600);
    transform: translateX(8px);
}

.mobile-cats-title {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--slate-400);
    margin-bottom: 16px;
    font-weight: 700;
}

.mobile-cat-link {
    display: block;
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    color: var(--slate-600);
    transition: all var(--duration-normal) var(--ease-out);
}

.mobile-cat-link:hover {
    background: var(--sky-50);
    color: var(--sky-600);
}

/* ===== MAIN CONTENT ===== */
.content {
    padding-top: 0;
    min-height: 100vh;
}

/* ===== HERO SECTION ===== */
.hero-section {
    position: relative;
    min-height: 700px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, var(--slate-900) 0%, var(--sky-900) 50%, var(--cyan-600) 100%);
}

.hero-bg-image {
    position: absolute;
    inset: 0;
    opacity: 0.2;
}

.hero-bg-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); }
}

.hero-particles-container {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.floating-orb {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.4) 0%, transparent 70%);
    animation: orbFloat 8s ease-in-out infinite;
}

.floating-orb:nth-child(1) {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 5%;
    animation-delay: 0s;
}

.floating-orb:nth-child(2) {
    width: 200px;
    height: 200px;
    top: 60%;
    right: 10%;
    animation-delay: 2s;
}

.floating-orb:nth-child(3) {
    width: 150px;
    height: 150px;
    bottom: 20%;
    left: 30%;
    animation-delay: 4s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.1); }
    50% { transform: translate(-20px, 20px) scale(0.9); }
    75% { transform: translate(20px, 10px) scale(1.05); }
}

.hero-content-wrapper {
    position: relative;
    z-index: 2;
    max-width: 750px;
    padding: 80px 0;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: rgba(56, 189, 248, 0.2);
    border: 1px solid rgba(56, 189, 248, 0.4);
    border-radius: var(--radius-full);
    color: var(--sky-300);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 28px;
    animation: slideInUp 0.8s var(--ease-out) 0.2s both;
}

.hero-tag-dot {
    width: 8px;
    height: 8px;
    background: var(--sky-400);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-heading {
    font-size: clamp(40px, 6vw, 64px);
    font-weight: 900;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 24px;
    animation: slideInUp 0.8s var(--ease-out) 0.4s both;
}

.hero-heading-highlight {
    background: linear-gradient(135deg, var(--sky-300), var(--cyan-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 19px;
    color: var(--slate-300);
    margin-bottom: 40px;
    line-height: 1.7;
    animation: slideInUp 0.8s var(--ease-out) 0.6s both;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    animation: slideInUp 0.8s var(--ease-out) 0.8s both;
}

.hero-metrics {
    display: flex;
    gap: 48px;
    margin-top: 56px;
    animation: slideInUp 0.8s var(--ease-out) 1s both;
}

.hero-metric {
    text-align: center;
}

.hero-metric-value {
    font-size: 42px;
    font-weight: 900;
    color: var(--white);
    line-height: 1;
    margin-bottom: 4px;
}

.hero-metric-label {
    font-size: 14px;
    color: var(--slate-400);
    text-transform: uppercase;
    letter-spacing: 1px;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== BUTTONS ===== */
.btn-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 15px;
    transition: all var(--duration-normal) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.btn-action::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent);
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-out);
}

.btn-action:hover::before {
    opacity: 1;
}

.btn-primary-action {
    background: linear-gradient(135deg, var(--sky-500), var(--cyan-500));
    color: var(--white);
    box-shadow: 0 4px 14px rgba(14, 165, 233, 0.4);
}

.btn-primary-action:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(14, 165, 233, 0.5);
}

.btn-outline-action {
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
}

.btn-outline-action:hover {
    border-color: var(--white);
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

.btn-secondary-action {
    background: var(--white);
    color: var(--sky-600);
    box-shadow: var(--shadow-md);
}

.btn-secondary-action:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-ghost-action {
    background: var(--sky-50);
    color: var(--sky-600);
}

.btn-ghost-action:hover {
    background: var(--sky-100);
    transform: translateY(-2px);
}

.btn-sm-action {
    padding: 12px 24px;
    font-size: 14px;
}

.btn-lg-action {
    padding: 20px 40px;
    font-size: 17px;
}

/* ===== SECTION STYLES ===== */
.content-section {
    padding: 100px 0;
}

.content-section-dark {
    background: linear-gradient(135deg, var(--slate-900) 0%, var(--sky-900) 100%);
    color: var(--white);
}

.content-section-light {
    background: linear-gradient(180deg, var(--sky-50) 0%, var(--white) 100%);
}

.section-header-block {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1), rgba(6, 182, 212, 0.1));
    border-radius: var(--radius-full);
    color: var(--sky-600);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 20px;
}

.content-section-dark .section-tag {
    background: rgba(56, 189, 248, 0.2);
    color: var(--sky-300);
}

.section-heading {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--slate-900), var(--sky-700));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.content-section-dark .section-heading {
    background: linear-gradient(135deg, var(--white), var(--sky-200));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-description {
    font-size: 18px;
    color: var(--slate-500);
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.7;
}

.content-section-dark .section-description {
    color: var(--slate-400);
}

/* ===== CATEGORY CARDS ===== */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 28px;
}

.category-tile {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--white);
    box-shadow: var(--shadow-md);
    transition: all var(--duration-slow) var(--ease-out);
    cursor: pointer;
}

.category-tile:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-2xl);
}

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

.category-tile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s var(--ease-out);
}

.category-tile:hover .category-tile-image img {
    transform: scale(1.15);
}

.category-tile-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0.3) 50%, transparent 100%);
}

.category-tile-content {
    padding: 24px;
}

.category-tile-icon {
    font-size: 36px;
    margin-bottom: 12px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.category-tile-name {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 8px;
    color: var(--slate-800);
}

.category-tile-count {
    font-size: 14px;
    color: var(--slate-500);
    font-weight: 500;
}

.category-tile-arrow {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateX(-20px) rotate(-45deg);
    transition: all var(--duration-normal) var(--ease-out);
    box-shadow: var(--shadow-md);
}

.category-tile:hover .category-tile-arrow {
    opacity: 1;
    transform: translateX(0) rotate(0);
}

/* ===== PRODUCT CARDS ===== */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 28px;
}

.product-tile {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--duration-slow) var(--ease-out);
    position: relative;
}

.product-tile:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.product-tile-image {
    height: 240px;
    overflow: hidden;
    position: relative;
    background: linear-gradient(135deg, var(--sky-50), var(--slate-50));
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-tile-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 20px;
    transition: transform 0.6s var(--ease-out);
}

.product-tile:hover .product-tile-image img {
    transform: scale(1.1) rotate(-2deg);
}

.product-tile-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 14px;
    background: linear-gradient(135deg, var(--emerald-400), var(--emerald-500));
    color: var(--white);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-tile-badge-exchange {
    background: linear-gradient(135deg, var(--sky-400), var(--sky-500));
}

.product-tile-body {
    padding: 24px;
}

.product-tile-name {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 44px;
    color: var(--slate-800);
}

.product-tile-price {
    font-size: 24px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--sky-600), var(--cyan-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.product-tile-actions {
    display: flex;
    gap: 10px;
}

.product-tile-actions .btn-action {
    flex: 1;
}

/* ===== FEATURE CARDS ===== */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.feature-tile {
    text-align: center;
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--duration-normal) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.feature-tile::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--sky-400), var(--cyan-400));
    transform: scaleX(0);
    transition: transform var(--duration-normal) var(--ease-out);
}

.feature-tile:hover::before {
    transform: scaleX(1);
}

.feature-tile:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.feature-tile-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--sky-500), var(--cyan-500));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    box-shadow: 0 8px 20px rgba(14, 165, 233, 0.3);
    transition: transform var(--duration-normal) var(--ease-spring);
}

.feature-tile:hover .feature-tile-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-tile-title {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--white);
}

.feature-tile-text {
    font-size: 15px;
    color: var(--slate-400);
    line-height: 1.7;
}

/* ===== ABOUT IMAGES ===== */
.about-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 56px;
}

.about-gallery-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    height: 280px;
    transition: all var(--duration-normal) var(--ease-out);
}

.about-gallery-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-2xl);
}

.about-gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out);
}

.about-gallery-item:hover img {
    transform: scale(1.1);
}

.about-gallery-label {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    color: var(--white);
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 14px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===== CTA SECTION ===== */
.cta-block {
    background: linear-gradient(135deg, var(--sky-500), var(--cyan-500));
    border-radius: var(--radius-xl);
    padding: 80px 48px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-block::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: ctaFloat 6s ease-in-out infinite;
}

.cta-block::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    animation: ctaFloat 8s ease-in-out infinite reverse;
}

@keyframes ctaFloat {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, -30px); }
}

.cta-heading {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 900;
    color: var(--white);
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.cta-text {
    color: rgba(255, 255, 255, 0.9);
    font-size: 18px;
    margin-bottom: 36px;
    position: relative;
    z-index: 1;
}

.cta-block .btn-action {
    position: relative;
    z-index: 1;
}

/* ===== BREADCRUMBS ===== */
.breadcrumb-trail {
    padding: 24px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--slate-500);
    flex-wrap: wrap;
}

.breadcrumb-trail a {
    color: var(--slate-500);
    transition: color var(--duration-normal) var(--ease-out);
}

.breadcrumb-trail a:hover {
    color: var(--sky-600);
}

.breadcrumb-separator {
    color: var(--slate-300);
}

/* ===== CATALOG PAGE ===== */
.catalog-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 40px;
    padding: 40px 0 100px;
}

.catalog-sidebar {
    position: sticky;
    top: 120px;
    align-self: start;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
    padding-right: 20px;
}

.catalog-sidebar-title {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--slate-400);
    margin-bottom: 20px;
    font-weight: 800;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    color: var(--slate-600);
    transition: all var(--duration-normal) var(--ease-out);
    margin-bottom: 4px;
}

.sidebar-item:hover,
.sidebar-item.selected {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1), rgba(6, 182, 212, 0.1));
    color: var(--sky-600);
    transform: translateX(4px);
}

.sidebar-item.selected {
    font-weight: 700;
    border-left: 3px solid var(--sky-500);
}

.sidebar-item-icon {
    font-size: 20px;
}

.sidebar-item-count {
    margin-left: auto;
    font-size: 12px;
    background: var(--sky-100);
    padding: 4px 10px;
    border-radius: var(--radius-full);
    color: var(--sky-600);
    font-weight: 700;
}

.catalog-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 20px;
}

.catalog-page-title {
    font-size: 32px;
    font-weight: 900;
    color: var(--slate-800);
}

.catalog-results-count {
    font-size: 15px;
    color: var(--slate-500);
    margin-top: 4px;
}

.catalog-sort-dropdown {
    padding: 12px 20px;
    border: 2px solid var(--slate-200);
    border-radius: var(--radius-sm);
    background: var(--white);
    font-size: 14px;
    font-weight: 600;
    outline: none;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-out);
}

.catalog-sort-dropdown:focus {
    border-color: var(--sky-500);
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.1);
}

/* ===== PRODUCT PAGE ===== */
.product-detail-page {
    padding: 40px 0 100px;
}

.product-detail-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    margin-bottom: 80px;
}

.product-detail-gallery {
    position: sticky;
    top: 120px;
    align-self: start;
}

.product-detail-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: linear-gradient(135deg, var(--sky-50), var(--slate-50));
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 450px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.product-detail-image img {
    max-height: 500px;
    object-fit: contain;
    transition: transform 0.6s var(--ease-out);
}

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

.product-detail-info {
    padding-top: 12px;
}

.product-detail-category {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--sky-600);
    font-weight: 600;
    margin-bottom: 16px;
    padding: 8px 16px;
    background: var(--sky-50);
    border-radius: var(--radius-full);
}

.product-detail-category:hover {
    background: var(--sky-100);
}

.product-detail-name {
    font-size: clamp(28px, 3vw, 38px);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--slate-900);
}

.product-detail-price-block {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 32px;
    padding: 24px;
    background: linear-gradient(135deg, var(--sky-50), var(--slate-50));
    border-radius: var(--radius-md);
    border: 1px solid var(--sky-100);
}

.product-detail-price {
    font-size: 36px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--sky-600), var(--cyan-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.product-detail-stock {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--emerald-500);
    font-weight: 700;
}

.product-detail-description {
    font-size: 16px;
    line-height: 1.8;
    color: var(--slate-600);
    margin-bottom: 36px;
}

.product-detail-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.product-detail-perks {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    padding-top: 36px;
    border-top: 1px solid var(--slate-200);
}

.product-perk {
    text-align: center;
    padding: 20px;
    background: var(--sky-50);
    border-radius: var(--radius-md);
    transition: all var(--duration-normal) var(--ease-out);
}

.product-perk:hover {
    background: var(--sky-100);
    transform: translateY(-4px);
}

.product-perk-icon {
    font-size: 28px;
    margin-bottom: 10px;
}

.product-perk-text {
    font-size: 13px;
    color: var(--slate-600);
    font-weight: 600;
}

/* ===== RELATED PRODUCTS ===== */
.related-products-section {
    margin-top: 80px;
}

/* ===== ABOUT PAGE ===== */
.about-page-hero {
    padding: 80px 0 60px;
}

.about-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
    margin-bottom: 80px;
}

.about-block-text h2 {
    font-size: 36px;
    font-weight: 900;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--slate-900), var(--sky-700));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-block-text p {
    font-size: 17px;
    line-height: 1.8;
    color: var(--slate-600);
    margin-bottom: 20px;
}

.about-block-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 400px;
    box-shadow: var(--shadow-xl);
}

.about-block-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out);
}

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

/* ===== DELIVERY PAGE ===== */
.delivery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
}

.delivery-tile {
    padding: 36px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--duration-normal) var(--ease-out);
    border: 1px solid var(--slate-100);
}

.delivery-tile:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--sky-200);
}

.delivery-tile-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--sky-500), var(--cyan-500));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 24px;
    box-shadow: 0 8px 20px rgba(14, 165, 233, 0.3);
}

.delivery-tile h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--slate-800);
}

.delivery-tile p {
    font-size: 15px;
    color: var(--slate-500);
    line-height: 1.7;
}

/* ===== CONTACTS PAGE ===== */
.contacts-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
}

.contact-info-block {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.contact-info-row {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.contact-info-icon-box {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--sky-100), var(--sky-50));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 24px;
}

.contact-info-label {
    font-size: 13px;
    color: var(--slate-400);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.contact-info-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--slate-800);
}

.contact-info-value a:hover {
    color: var(--sky-600);
}

.contact-form-block {
    background: linear-gradient(135deg, var(--sky-50), var(--white));
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--sky-100);
}

.contact-form-block h3 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 28px;
    color: var(--slate-800);
}

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

.form-field label {
    display: block;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--slate-700);
}

.form-field input,
.form-field textarea {
    width: 100%;
    padding: 14px 20px;
    border: 2px solid var(--slate-200);
    border-radius: var(--radius-sm);
    outline: none;
    transition: all var(--duration-normal) var(--ease-out);
    background: var(--white);
}

.form-field input:focus,
.form-field textarea:focus {
    border-color: var(--sky-500);
    box-shadow: 0 0 0 4px rgba(14, 165, 233, 0.1);
}

.form-field textarea {
    resize: vertical;
    min-height: 140px;
}

/* ===== SEARCH RESULTS ===== */
.search-results-header {
    padding: 48px 0 32px;
}

.search-results-header h1 {
    font-size: 32px;
    font-weight: 900;
    margin-bottom: 12px;
    color: var(--slate-800);
}

.search-results-header p {
    color: var(--slate-500);
    font-size: 16px;
}

.search-results-section {
    padding-bottom: 100px;
}

.empty-state {
    text-align: center;
    padding: 100px 24px;
}

.empty-state-icon {
    font-size: 72px;
    margin-bottom: 24px;
    opacity: 0.8;
}

.empty-state h2 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--slate-800);
}

.empty-state p {
    color: var(--slate-500);
    margin-bottom: 32px;
    font-size: 16px;
}

/* ===== FOOTER ===== */
.site-footer {
    background: linear-gradient(135deg, var(--slate-900) 0%, var(--sky-900) 100%);
    color: var(--white);
    padding: 80px 0 0;
    position: relative;
    overflow: hidden;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--sky-400), var(--cyan-400), var(--sky-400));
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-brand-logo {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.footer-brand-name {
    font-size: 24px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--sky-300), var(--cyan-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-description {
    font-size: 15px;
    color: var(--slate-400);
    line-height: 1.7;
    margin-bottom: 24px;
}

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

.footer-social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    transition: all var(--duration-normal) var(--ease-out);
}

.footer-social-link:hover {
    background: var(--sky-500);
    transform: translateY(-4px) scale(1.1);
    box-shadow: 0 8px 20px rgba(14, 165, 233, 0.4);
}

.footer-column-title {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 24px;
    color: var(--slate-400);
    font-weight: 800;
}

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

.footer-column ul a {
    font-size: 15px;
    color: var(--slate-300);
    transition: all var(--duration-normal) var(--ease-out);
}

.footer-column ul a:hover {
    color: var(--sky-400);
    padding-left: 6px;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer-contact-item svg {
    color: var(--sky-400);
    flex-shrink: 0;
}

.footer-contact-item a:hover {
    color: var(--sky-400);
}

.footer-bottom-bar {
    padding: 28px 0;
    text-align: center;
    font-size: 14px;
    color: var(--slate-500);
}

/* ===== SCROLL TO TOP ===== */
.scroll-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--sky-500), var(--cyan-500));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 25px rgba(14, 165, 233, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.8);
    transition: all var(--duration-normal) var(--ease-out);
    z-index: 100;
}

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

.scroll-to-top:hover {
    transform: translateY(-4px) scale(1.1);
    box-shadow: 0 12px 35px rgba(14, 165, 233, 0.5);
}

/* ===== PAGINATION ===== */
.pagination-nav {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 48px;
}

.pagination-nav a,
.pagination-nav span {
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 14px;
    transition: all var(--duration-normal) var(--ease-out);
}

.pagination-nav a {
    background: var(--white);
    color: var(--slate-600);
    border: 1px solid var(--slate-200);
}

.pagination-nav a:hover {
    background: var(--sky-500);
    color: var(--white);
    border-color: var(--sky-500);
    transform: translateY(-2px);
}

.pagination-nav .current-page {
    background: linear-gradient(135deg, var(--sky-500), var(--cyan-500));
    color: var(--white);
    border: none;
}

/* ===== SCROLL ANIMATIONS ===== */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-left.revealed {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-right.revealed {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal-scale.revealed {
    opacity: 1;
    transform: scale(1);
}

/* ===== PROCESS STEPS ===== */
.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 50px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, var(--sky-200), var(--cyan-300), var(--sky-200));
    z-index: 0;
}

.process-step {
    text-align: center;
    position: relative;
    z-index: 1;
    padding: 32px 20px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--duration-normal) var(--ease-out);
}

.process-step:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.process-step-number {
    width: 72px;
    height: 72px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--sky-500), var(--cyan-500));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 900;
    color: var(--white);
    box-shadow: 0 8px 24px rgba(14, 165, 233, 0.35);
    transition: transform var(--duration-normal) var(--ease-spring);
}

.process-step:hover .process-step-number {
    transform: scale(1.15) rotate(10deg);
}

.process-step-title {
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--slate-800);
}

.process-step-text {
    font-size: 14px;
    color: var(--slate-500);
    line-height: 1.7;
}

@media (max-width: 1024px) {
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    .process-steps::before {
        display: none;
    }
}

@media (max-width: 480px) {
    .process-steps {
        grid-template-columns: 1fr;
    }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .catalog-layout {
        grid-template-columns: 1fr;
    }
    
    .catalog-sidebar {
        position: static;
        max-height: none;
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 8px;
        padding-right: 0;
    }
    
    .catalog-sidebar-title {
        grid-column: 1 / -1;
    }
    
    .product-detail-layout {
        grid-template-columns: 1fr;
    }
    
    .product-detail-gallery {
        position: static;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .about-block {
        grid-template-columns: 1fr;
    }
    
    .contacts-layout {
        grid-template-columns: 1fr;
    }
    
    .topbar {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .nav-phone span {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .navbar-inner {
        height: 64px;
        gap: 16px;
    }
    
    .brand-logo {
        height: 40px;
    }
    
    .brand-name {
        font-size: 18px;
    }
    
    .brand-tagline {
        font-size: 9px;
        letter-spacing: 1px;
    }
    
    .nav-phone {
        padding: 10px;
    }
    
    .nav-search-btn {
        width: 40px;
        height: 40px;
    }
    
    .hero-section {
        min-height: 600px;
    }
    
    .hero-metrics {
        gap: 32px;
    }
    
    .hero-metric-value {
        font-size: 32px;
    }
    
    .category-grid {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    }
    
    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    }
    
    .about-gallery {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .product-detail-perks {
        grid-template-columns: 1fr;
    }
    
    .content-section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .brand-text {
        display: none;
    }
    
    .brand-logo {
        height: 36px;
    }
    
    .navbar-inner {
        height: 56px;
        gap: 12px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn-action {
        width: 100%;
    }
    
    .category-grid {
        grid-template-columns: 1fr;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .product-detail-actions {
        flex-direction: column;
    }
    
    .product-detail-actions .btn-action {
        width: 100%;
    }
}