/**
 * CPUTrainer Shop - Professional Stylesheet v4
 * Clean, modern, international-standard design
 * Color System: Primary #FF6B00, Dark #0F172A, Surface #FFFFFF
 */

/* ========================================
   CSS Custom Properties
   ======================================== */
:root {
    /* Colors */
    --primary: #FF6B00;
    --primary-dark: #E55D00;
    --primary-light: #FF8533;
    --primary-bg: #FFF7ED;
    --accent: #FF3D00;
    --success: #06D6A0;
    --success-dark: #05B384;
    --warning: #FFB800;
    --danger: #EF4444;
    --info: #3B82F6;
    
    /* Neutrals */
    --dark: #0F172A;
    --dark-800: #1E293B;
    --dark-700: #334155;
    --dark-600: #475569;
    --gray-500: #64748B;
    --gray-400: #94A3B8;
    --gray-300: #CBD5E1;
    --gray-200: #E2E8F0;
    --gray-100: #F1F5F9;
    --gray-50: #F8FAFC;
    --white: #FFFFFF;
    
    /* Typography */
    --font-primary: 'Inter', 'Sarabun', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-thai: 'Sarabun', 'Inter', sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Borders */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
    --shadow-card: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-card-hover: 0 10px 30px rgba(0,0,0,0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition: 250ms ease;
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Layout */
    --header-height: 64px;
    --nav-height: 48px;
    --mobile-nav-height: 64px;
    --container-max: 1280px;
    --sidebar-width: 260px;
}

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

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

body {
    font-family: var(--font-thai);
    font-size: 15px;
    line-height: 1.6;
    color: var(--dark);
    background: var(--gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body.sidebar-open {
    overflow: hidden;
}

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

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

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

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

/* ========================================
   Container
   ======================================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

@media (max-width: 768px) {
    .container { padding: 0 var(--space-md); }
}

/* ========================================
   Announcement Bar
   ======================================== */
.announce-bar {
    background: var(--dark);
    color: var(--white);
    font-size: 13px;
    padding: 8px 0;
    letter-spacing: 0.02em;
}

.announce-bar__content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.announce-bar__content i {
    color: var(--primary);
    margin-right: 4px;
}

.announce-bar__separator {
    color: var(--gray-500);
    font-size: 10px;
}

@media (max-width: 768px) {
    .announce-bar__separator,
    .announce-bar__content span:nth-child(n+4) {
        display: none;
    }
}

/* ========================================
   Header
   ======================================== */
.site-header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow var(--transition);
}

.site-header.scrolled {
    box-shadow: var(--shadow-lg);
}

.header__inner {
    display: flex;
    align-items: center;
    gap: 24px;
    height: var(--header-height);
}

/* Logo */
.header__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--dark);
    flex-shrink: 0;
}

.header__logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 18px;
}

.header__logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.header__logo-main {
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 18px;
    color: var(--dark);
}

.header__logo-sub {
    font-size: 11px;
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

/* Search */
.header__search {
    flex: 1;
    max-width: 520px;
    position: relative;
}

.search-form__wrapper {
    display: flex;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    transition: border-color var(--transition-fast);
}

.search-form__wrapper:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255,107,0,0.1);
}

.search-form__input {
    flex: 1;
    padding: 10px 18px;
    border: none;
    outline: none;
    font-size: 14px;
    background: transparent;
}

.search-form__btn {
    padding: 10px 18px;
    background: var(--primary);
    color: var(--white);
    border: none;
    font-size: 14px;
    transition: background var(--transition-fast);
}

.search-form__btn:hover {
    background: var(--primary-dark);
}

/* Search Suggestions */
.search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    display: none;
    z-index: 100;
    margin-top: 4px;
    max-height: 320px;
    overflow-y: auto;
}

/* Header Actions */
.header__actions {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.header__action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 8px 12px;
    border-radius: var(--radius-md);
    color: var(--dark-700);
    font-size: 18px;
    transition: all var(--transition-fast);
    position: relative;
    text-decoration: none;
    background: none;
    border: none;
    cursor: pointer;
}

.header__action-btn:hover {
    color: var(--primary);
    background: var(--primary-bg);
}

.header__action-label {
    font-size: 10px;
    font-weight: 500;
    color: var(--gray-500);
    letter-spacing: 0.02em;
}

.header__cart-badge {
    position: absolute;
    top: 2px;
    right: 6px;
    background: var(--primary);
    color: var(--white);
    font-size: 10px;
    font-weight: 700;
    min-width: 18px;
    height: 18px;
    line-height: 18px;
    text-align: center;
    border-radius: var(--radius-full);
    padding: 0 4px;
}

/* Mobile Menu Toggle */
.header__menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    cursor: pointer;
}

.header__menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: all var(--transition);
}

@media (max-width: 768px) {
    .header__search { display: none; }
    .header__action-label { display: none; }
    .header__action-btn { padding: 8px; }
    .header__menu-toggle { display: flex; }
    .header__logo-sub { display: none; }
}

/* ========================================
   Navigation
   ======================================== */
.main-nav {
    background: var(--dark);
    overflow: visible;
}

.main-nav__inner {
    display: flex;
    align-items: center;
}

.main-nav__list {
    display: flex;
    list-style: none;
    gap: 0;
}

.main-nav__link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 18px;
    color: var(--gray-300);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-fast);
    white-space: nowrap;
    position: relative;
}

.main-nav__link:hover,
.main-nav__link.active {
    color: var(--white);
    background: rgba(255,255,255,0.08);
}

.main-nav__link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 18px;
    right: 18px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px 2px 0 0;
}

.main-nav__link i:first-child {
    font-size: 13px;
    opacity: 0.9;
}

.main-nav__arrow {
    font-size: 10px;
    transition: transform var(--transition);
    margin-left: 2px;
}

/* Mega Menu */
.main-nav__dropdown {
    position: relative;
}

.main-nav__megamenu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    box-shadow: var(--shadow-xl);
    min-width: 320px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(4px);
    transition: all var(--transition);
    z-index: 100;
    padding: 12px;
}

.main-nav__dropdown:hover .main-nav__megamenu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.main-nav__dropdown:hover .main-nav__arrow {
    transform: rotate(180deg);
}

.megamenu__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
}

.megamenu__item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    color: var(--dark-700);
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.megamenu__item:hover {
    background: var(--primary-bg);
    color: var(--primary);
}

.megamenu__item i {
    color: var(--gray-400);
    width: 16px;
    text-align: center;
}

.megamenu__item:hover i {
    color: var(--primary);
}

.megamenu__item--all {
    grid-column: 1 / -1;
    border-top: 1px solid var(--gray-100);
    margin-top: 4px;
    padding-top: 12px;
    color: var(--primary);
    font-weight: 600;
}

/* Mobile Nav */
.main-nav__mobile-search {
    display: none;
    padding: 12px 0;
}

.main-nav__mobile-search form {
    display: flex;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.main-nav__mobile-search input {
    flex: 1;
    padding: 10px 16px;
    border: none;
    background: transparent;
    color: var(--white);
    outline: none;
}

.main-nav__mobile-search input::placeholder {
    color: var(--gray-400);
}

.main-nav__mobile-search button {
    padding: 10px 16px;
    color: var(--primary);
    background: transparent;
    border: none;
}

@media (max-width: 768px) {
    .main-nav {
        position: fixed;
        top: 0;
        left: -100%;
        width: 280px;
        height: 100vh;
        z-index: 2000;
        transition: left var(--transition-slow);
        overflow-y: auto;
        padding-top: 60px;
    }
    
    .main-nav.open {
        left: 0;
    }
    
    .main-nav__inner {
        flex-direction: column;
        align-items: stretch;
    }
    
    .main-nav__list {
        flex-direction: column;
    }
    
    .main-nav__link {
        padding: 14px 20px;
        border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    
    .main-nav__megamenu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: rgba(255,255,255,0.05);
        border-radius: 0;
        display: none;
    }
    
    .main-nav__dropdown.open .main-nav__megamenu {
        display: block;
    }
    
    .megamenu__item {
        color: var(--gray-300);
        padding: 10px 20px 10px 36px;
    }
    
    .megamenu__item:hover {
        background: rgba(255,255,255,0.08);
        color: var(--white);
    }
    
    .main-nav__mobile-search {
        display: block;
        padding: 12px 20px;
    }
}

/* ========================================
   Breadcrumb
   ======================================== */
.breadcrumb-bar {
    background: var(--white);
    border-bottom: 1px solid var(--gray-100);
    padding: 12px 0;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--gray-500);
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--gray-500);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.breadcrumb i {
    font-size: 8px;
    color: var(--gray-300);
}

.breadcrumb span {
    color: var(--dark);
    font-weight: 500;
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    transition: all var(--transition-fast);
    cursor: pointer;
    text-decoration: none;
    line-height: 1.4;
    font-family: var(--font-thai);
    white-space: nowrap;
}

.btn-sm {
    padding: 7px 14px;
    font-size: 13px;
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: 14px 30px;
    font-size: 16px;
    border-radius: var(--radius-md);
}

.btn-block {
    display: flex;
    width: 100%;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255,107,0,0.3);
}

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

.btn-accent:hover {
    background: #E83500;
    border-color: #E83500;
    color: var(--white);
    transform: translateY(-1px);
}

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

.btn-success:hover {
    background: var(--success-dark);
    border-color: var(--success-dark);
    color: var(--white);
}

.btn-outline {
    background: transparent;
    color: var(--dark);
    border-color: var(--gray-300);
}

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

.btn-outline-light {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.4);
}

.btn-outline-light:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--white);
    color: var(--white);
}

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

.btn-white:hover {
    background: var(--gray-50);
    color: var(--primary-dark);
}

.btn-disabled {
    background: var(--gray-200);
    color: var(--gray-400);
    cursor: not-allowed;
    border-color: var(--gray-200);
}

/* ========================================
   Hero
   ======================================== */
.hero {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-800) 50%, #1a1a3e 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
    padding: 80px 0 60px;
}

.hero__bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero__particles {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(255,107,0,0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255,107,0,0.05) 0%, transparent 50%);
}

.hero__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(255,107,0,0.15);
    border: 1px solid rgba(255,107,0,0.3);
    border-radius: var(--radius-full);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero__title {
    font-size: 42px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero__gradient {
    background: linear-gradient(135deg, var(--primary), #FF9F43);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.hero__actions {
    display: flex;
    gap: 14px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero__stats {
    display: flex;
    gap: 40px;
}

.hero__stat {
    text-align: center;
}

.hero__stat strong {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.hero__stat span {
    font-size: 13px;
    color: var(--gray-400);
    margin-top: 4px;
    display: block;
}

/* Hero Visual */
.hero__visual {
    display: flex;
    justify-content: center;
}

.hero__image-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    max-width: 400px;
}

.hero__image-card {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    padding: 12px;
    transition: transform var(--transition-slow);
}

.hero__image-card:hover {
    transform: translateY(-4px);
}

.hero__image-card--2 { transform: translateY(20px); }
.hero__image-card--4 { transform: translateY(20px); }
.hero__image-card--2:hover { transform: translateY(16px); }
.hero__image-card--4:hover { transform: translateY(16px); }

.hero__image-card img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

@media (max-width: 768px) {
    .hero { padding: 40px 0; }
    .hero__content { grid-template-columns: 1fr; gap: 30px; text-align: center; }
    .hero__title { font-size: 28px; }
    .hero__actions { justify-content: center; }
    .hero__stats { justify-content: center; gap: 28px; }
    .hero__visual { display: none; }
}

/* ========================================
   Trust Bar
   ======================================== */
.trust-bar {
    background: var(--white);
    padding: 20px 0;
    border-bottom: 1px solid var(--gray-100);
}

.trust-bar__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.trust-bar__item {
    display: flex;
    align-items: center;
    gap: 12px;
    justify-content: center;
}

.trust-bar__item i {
    font-size: 22px;
    color: var(--primary);
    flex-shrink: 0;
}

.trust-bar__item strong {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
}

.trust-bar__item span {
    font-size: 12px;
    color: var(--gray-500);
}

@media (max-width: 768px) {
    .trust-bar__grid { grid-template-columns: 1fr 1fr; gap: 14px; }
    .trust-bar__item { font-size: 13px; }
}

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

/* ========================================
   Section Headers
   ======================================== */
.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header__title {
    font-size: 30px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 8px;
    line-height: 1.3;
}

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

.section-footer {
    text-align: center;
    margin-top: 40px;
}

.section-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 24px;
}

/* ========================================
   Brands Grid
   ======================================== */
.brands-section {
    padding: 60px 0;
    background: var(--white);
}

.brands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.brand-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 28px 20px;
    background: var(--gray-50);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition);
}

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

.brand-card__icon {
    width: 160px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.brand-card__icon img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: all var(--transition);
}

.brand-card:hover .brand-card__icon img {
    transform: scale(1.1);
    filter: brightness(0.9) contrast(1.1);
}

.brand-card__name {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
}

.brand-card__count {
    font-size: 13px;
    color: var(--gray-500);
}

/* ========================================
   Product Grid
   ======================================== */
.featured-section {
    padding: 60px 0;
    background: var(--gray-50);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
}

.product-grid--related {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

/* List View */
.product-grid--list {
    grid-template-columns: 1fr;
}

.product-grid--list .product-card {
    display: grid;
    grid-template-columns: 180px 1fr auto;
    gap: 0;
}

.product-grid--list .product-card__image {
    aspect-ratio: 1;
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.product-grid--list .product-card__info {
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.product-grid--list .product-card__actions {
    display: flex;
    align-items: center;
    padding: 20px;
    border-top: none;
}

/* Product Card */
.product-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--gray-100);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    border-color: var(--gray-200);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-4px);
}

.product-card__link {
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.product-card__image {
    position: relative;
    aspect-ratio: 1;
    background: var(--gray-50);
    overflow: hidden;
}

.product-card__image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 16px;
    transition: transform var(--transition-slow);
}

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

.product-card__brand {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--dark);
    color: var(--white);
    font-size: 10px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.product-card__badge {
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: var(--radius-full);
}

.product-card__badge--out {
    background: var(--danger);
    color: var(--white);
}

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

.product-card__info {
    padding: 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-card__name {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
    line-height: 1.4;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-card__sku {
    font-size: 12px;
    color: var(--gray-400);
    margin-bottom: 8px;
}

.product-card__price {
    font-size: 18px;
    font-weight: 800;
    color: var(--primary);
    margin-top: auto;
}

.product-card__actions {
    padding: 12px 16px;
    border-top: 1px solid var(--gray-100);
}

.btn-add-cart {
    width: 100%;
}

@media (max-width: 640px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    .product-card__info { padding: 10px; }
    .product-card__name { font-size: 13px; }
    .product-card__price { font-size: 16px; }
    .product-card__actions { padding: 8px 10px; }
    .product-card__image img { padding: 10px; }
    .btn-add-cart { font-size: 12px; padding: 6px 10px; }
}

/* ========================================
   Products Page Layout
   ======================================== */
.products-section {
    padding: 24px 0 60px;
}

.products-layout {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    gap: 30px;
    align-items: start;
}

@media (max-width: 960px) {
    .products-layout {
        grid-template-columns: 1fr;
    }
}

/* Sidebar */
.products-sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--nav-height) + 24px);
}

.sidebar-overlay {
    display: none;
}

.sidebar-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-100);
    overflow: hidden;
}

.sidebar-header {
    display: none;
}

@media (max-width: 960px) {
    .products-sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        width: 300px;
        height: 100vh;
        z-index: 2000;
        transition: left var(--transition-slow);
    }
    
    .products-sidebar.open {
        left: 0;
    }
    
    .products-sidebar.open .sidebar-overlay {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.5);
        z-index: -1;
    }
    
    .sidebar-content {
        height: 100%;
        border-radius: 0;
        overflow-y: auto;
    }
    
    .sidebar-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 16px 20px;
        border-bottom: 1px solid var(--gray-100);
    }
    
    .sidebar-header h3 {
        font-size: 16px;
        font-weight: 700;
    }
    
    .sidebar-close {
        width: 32px;
        height: 32px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: var(--radius-sm);
        color: var(--gray-500);
        transition: all var(--transition-fast);
    }
    
    .sidebar-close:hover {
        background: var(--gray-100);
        color: var(--dark);
    }
}

/* Filter Groups */
.filter-group {
    border-bottom: 1px solid var(--gray-100);
}

.filter-group__title {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 16px 20px;
    font-size: 14px;
    font-weight: 700;
    color: var(--dark);
    cursor: pointer;
    user-select: none;
    transition: background var(--transition-fast);
}

.filter-group__title:hover {
    background: var(--gray-50);
}

.filter-group__title i:first-child {
    color: var(--primary);
    font-size: 13px;
    width: 16px;
    text-align: center;
}

.filter-group__toggle {
    margin-left: auto;
    font-size: 10px;
    color: var(--gray-400);
    transition: transform var(--transition);
}

.filter-group.collapsed .filter-group__toggle {
    transform: rotate(-90deg);
}

.filter-group__body {
    padding: 0 12px 12px;
    max-height: 360px;
    overflow-y: auto;
}

.filter-group.collapsed .filter-group__body {
    display: none;
}

.filter-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    color: var(--dark-700);
    font-size: 14px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all var(--transition-fast);
}

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

.filter-item.active {
    background: var(--primary-bg);
    color: var(--primary);
    font-weight: 600;
}

.filter-count {
    font-size: 12px;
    color: var(--gray-400);
    background: var(--gray-100);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-weight: 500;
}

.filter-item.active .filter-count {
    background: rgba(255,107,0,0.15);
    color: var(--primary);
}

/* Toolbar */
.products-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.products-toolbar__info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.products-toolbar__count {
    font-size: 14px;
    color: var(--gray-500);
}

.filter-toggle-btn {
    display: none;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    color: var(--dark);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-toggle-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

@media (max-width: 960px) {
    .filter-toggle-btn { display: flex; }
}

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

.products-toolbar__sort label {
    font-size: 14px;
    color: var(--gray-500);
    white-space: nowrap;
}

.sort-select {
    padding: 8px 14px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 14px;
    color: var(--dark);
    background: var(--white);
    cursor: pointer;
    outline: none;
    transition: border-color var(--transition-fast);
}

.sort-select:focus {
    border-color: var(--primary);
}

.view-toggle {
    display: flex;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.view-btn {
    padding: 8px 12px;
    color: var(--gray-400);
    transition: all var(--transition-fast);
    border: none;
    background: var(--white);
    cursor: pointer;
}

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

.view-btn:not(.active):hover {
    background: var(--gray-50);
    color: var(--dark);
}

/* Active Filters */
.active-filters {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.active-filter {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--primary-bg);
    border: 1px solid rgba(255,107,0,0.2);
    border-radius: var(--radius-full);
    font-size: 13px;
    color: var(--primary-dark);
    font-weight: 500;
}

.active-filter a {
    color: var(--primary);
    display: flex;
    padding: 2px;
}

.active-filter a:hover {
    color: var(--danger);
}

.clear-filters {
    font-size: 13px;
    color: var(--gray-500);
    text-decoration: underline;
}

.clear-filters:hover {
    color: var(--danger);
}

/* ========================================
   Empty State
   ======================================== */
.empty-state {
    text-align: center;
    padding: 80px 20px;
}

.empty-state__icon {
    font-size: 48px;
    color: var(--gray-300);
    margin-bottom: 20px;
}

.empty-state h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.empty-state p {
    color: var(--gray-500);
    margin-bottom: 24px;
}

/* ========================================
   Pagination
   ======================================== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: 40px;
}

.pagination__btn,
.pagination__num {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    color: var(--dark-700);
    background: var(--white);
    border: 1px solid var(--gray-200);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.pagination__btn:hover,
.pagination__num:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.pagination__num.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
    font-weight: 700;
}

.pagination__dots {
    padding: 0 4px;
    color: var(--gray-400);
}

/* ========================================
   Product Detail
   ======================================== */
.product-detail {
    padding: 30px 0 60px;
}

.product-detail__layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

@media (max-width: 768px) {
    .product-detail__layout {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

/* Gallery */
.product-detail__gallery {
    position: sticky;
    top: calc(var(--header-height) + var(--nav-height) + 24px);
}

.product-detail__main-image {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-100);
    overflow: hidden;
    cursor: zoom-in;
}

.product-detail__main-image img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: contain;
    padding: 30px;
}

.product-detail__brand-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--dark);
    color: var(--white);
    font-size: 12px;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-detail__zoom {
    position: absolute;
    bottom: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-500);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.product-detail__zoom:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

/* Info */
.product-detail__info {
    padding: 10px 0;
}

.product-detail__brand-link {
    display: inline-block;
    padding: 4px 14px;
    background: var(--primary-bg);
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
    text-decoration: none;
    transition: all var(--transition-fast);
}

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

.product-detail__title {
    font-size: 26px;
    font-weight: 800;
    color: var(--dark);
    line-height: 1.3;
    margin-bottom: 8px;
}

.product-detail__sku {
    font-size: 13px;
    color: var(--gray-400);
    margin-bottom: 20px;
}

.product-detail__sku span {
    font-weight: 600;
    color: var(--gray-500);
}

.product-detail__price-box {
    margin-bottom: 16px;
}

.product-detail__price {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.product-detail__price--inquiry {
    font-size: 24px;
    color: var(--info);
}

.product-detail__tax-note {
    display: block;
    font-size: 12px;
    color: var(--gray-400);
    margin-top: 4px;
}

/* Stock Badge */
.stock-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
}

.stock-badge--in {
    background: rgba(6,214,160,0.1);
    color: var(--success-dark);
}

.stock-badge--low {
    background: rgba(255,184,0,0.1);
    color: #B8860B;
}

.stock-badge--out {
    background: rgba(239,68,68,0.1);
    color: var(--danger);
}

.product-detail__divider {
    border: none;
    height: 1px;
    background: var(--gray-100);
    margin: 20px 0;
}

/* Cart Section */
.product-detail__cart-section {
    margin-bottom: 24px;
}

.qty-selector {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.qty-selector label {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
}

.qty-selector__controls {
    display: flex;
    align-items: center;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.qty-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-50);
    color: var(--dark-700);
    font-size: 12px;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

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

.qty-selector__controls input {
    width: 50px;
    height: 40px;
    text-align: center;
    border: none;
    border-left: 1px solid var(--gray-200);
    border-right: 1px solid var(--gray-200);
    font-size: 15px;
    font-weight: 600;
    color: var(--dark);
    outline: none;
    background: var(--white);
}

.product-detail__buttons {
    display: flex;
    gap: 12px;
}

.product-detail__buttons .btn {
    flex: 1;
}

@media (max-width: 480px) {
    .product-detail__buttons {
        flex-direction: column;
    }
}

/* Contact CTA */
.product-detail__contact-cta,
.product-detail__oos-cta {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
}

.product-detail__contact-cta p,
.product-detail__oos-cta p {
    font-size: 14px;
    color: var(--gray-500);
    margin-bottom: 16px;
}

/* Trust Items */
.product-detail__trust {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}

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

.trust-item i {
    font-size: 18px;
    color: var(--primary);
    flex-shrink: 0;
}

.trust-item strong {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--dark);
}

.trust-item span {
    font-size: 11px;
    color: var(--gray-500);
}

@media (max-width: 640px) {
    .product-detail__trust {
        grid-template-columns: 1fr;
    }
}

.product-detail__meta {
    font-size: 13px;
    color: var(--gray-500);
}

.meta-label {
    font-weight: 600;
    color: var(--dark-700);
    margin-right: 4px;
}

.product-detail__meta a {
    color: var(--primary);
    text-decoration: none;
}

.product-detail__meta a:hover {
    text-decoration: underline;
}

/* ========================================
   Description Tabs
   ======================================== */
.product-detail__description {
    margin-top: 50px;
}

.section-tabs {
    display: flex;
    gap: 4px;
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: 0;
}

.section-tab {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-500);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.section-tab:hover {
    color: var(--dark);
}

.section-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.section-tab-content {
    display: none;
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-top: none;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    padding: 32px;
}

.section-tab-content.active {
    display: block;
}

.description-content {
    font-size: 15px;
    line-height: 1.8;
    color: var(--dark-700);
}

/* Shipping Table */
.shipping-table {
    width: 100%;
    border-collapse: collapse;
}

.shipping-table th {
    text-align: left;
    padding: 12px 16px;
    background: var(--gray-50);
    font-size: 13px;
    font-weight: 700;
    color: var(--dark);
    border-bottom: 2px solid var(--gray-200);
}

.shipping-table td {
    padding: 12px 16px;
    font-size: 14px;
    color: var(--dark-700);
    border-bottom: 1px solid var(--gray-100);
}

.shipping-table i {
    color: var(--primary);
    margin-right: 6px;
    width: 16px;
    text-align: center;
}

/* ========================================
   Related Products
   ======================================== */
.related-products {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--gray-200);
}

/* ========================================
   Why Section
   ======================================== */
.why-section {
    padding: 60px 0;
    background: var(--white);
}

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

.why-card {
    text-align: center;
    padding: 30px 20px;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-100);
    transition: all var(--transition);
}

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

.why-card__icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 24px;
    color: var(--white);
}

.why-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.why-card p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .why-grid { grid-template-columns: 1fr 1fr; }
}

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

/* ========================================
   CTA Banner
   ======================================== */
.cta-banner {
    padding: 60px 0;
    background: var(--gray-50);
}

.cta-banner__inner {
    background: linear-gradient(135deg, var(--dark) 0%, #1a1a3e 100%);
    border-radius: var(--radius-xl);
    padding: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.cta-banner__text h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 8px;
}

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

.cta-banner__actions {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .cta-banner__inner {
        flex-direction: column;
        text-align: center;
        padding: 40px 24px;
    }
    .cta-banner__actions { flex-direction: column; width: 100%; }
}

/* ========================================
   Lightbox
   ======================================== */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.9);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    cursor: pointer;
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox__close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
    background: rgba(255,255,255,0.1);
    border: none;
    border-radius: var(--radius-full);
    color: var(--white);
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast);
}

.lightbox__close:hover {
    background: rgba(255,255,255,0.2);
}

.lightbox img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    cursor: auto;
}

/* ========================================
   Cart Drawer
   ======================================== */
.cart-drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 3000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

.cart-drawer-overlay.open {
    opacity: 1;
    visibility: visible;
}

.cart-drawer {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    max-width: 100vw;
    height: 100vh;
    background: var(--white);
    z-index: 3001;
    display: flex;
    flex-direction: column;
    transition: right var(--transition-slow);
    box-shadow: -10px 0 30px rgba(0,0,0,0.1);
}

.cart-drawer.open {
    right: 0;
}

.cart-drawer__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
}

.cart-drawer__header h3 {
    font-size: 18px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

.cart-drawer__header h3 i {
    color: var(--primary);
}

.cart-drawer__close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--gray-500);
    transition: all var(--transition-fast);
}

.cart-drawer__close:hover {
    background: var(--gray-100);
    color: var(--dark);
}

.cart-drawer__body {
    flex: 1;
    overflow-y: auto;
    padding: 20px 24px;
}

.cart-drawer__empty {
    text-align: center;
    padding: 60px 20px;
}

.cart-drawer__empty i {
    font-size: 48px;
    color: var(--gray-200);
    margin-bottom: 16px;
}

.cart-drawer__empty p {
    color: var(--gray-500);
    margin-bottom: 20px;
}

.cart-drawer__footer {
    padding: 20px 24px;
    border-top: 1px solid var(--gray-100);
    background: var(--gray-50);
}

.cart-drawer__total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
}

.cart-drawer__total span:last-child {
    color: var(--primary);
    font-size: 22px;
}

.cart-drawer__footer .btn + .btn {
    margin-top: 8px;
}

/* Cart Item */
.cart-item {
    display: flex;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid var(--gray-100);
}

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

.cart-item__image {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-md);
    background: var(--gray-50);
    overflow: hidden;
    flex-shrink: 0;
}

.cart-item__image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 4px;
}

.cart-item__info {
    flex: 1;
    min-width: 0;
}

.cart-item__name {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.cart-item__price {
    font-size: 15px;
    font-weight: 700;
    color: var(--primary);
}

.cart-item__controls {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
}

.cart-item__qty-btn {
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 10px;
    color: var(--dark);
    background: var(--white);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.cart-item__qty-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.cart-item__qty {
    font-size: 14px;
    font-weight: 600;
    min-width: 20px;
    text-align: center;
}

.cart-item__remove {
    margin-left: auto;
    color: var(--gray-400);
    font-size: 14px;
    cursor: pointer;
    padding: 4px;
    transition: color var(--transition-fast);
}

.cart-item__remove:hover {
    color: var(--danger);
}

/* ========================================
   Toast
   ======================================== */
.toast-container {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    border-left: 4px solid var(--success);
    font-size: 14px;
    font-weight: 500;
    color: var(--dark);
    min-width: 280px;
    max-width: 380px;
    animation: toastIn 0.3s ease;
}

.toast--error {
    border-left-color: var(--danger);
}

.toast i {
    font-size: 18px;
    color: var(--success);
    flex-shrink: 0;
}

.toast--error i {
    color: var(--danger);
}

.toast.removing {
    animation: toastOut 0.3s ease forwards;
}

@keyframes toastIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes toastOut {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(100%); opacity: 0; }
}

/* ========================================
   Footer
   ======================================== */
.site-footer {
    background: var(--dark);
    color: var(--gray-300);
}

.footer__top {
    padding: 60px 0 40px;
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
}

@media (max-width: 768px) {
    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}

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

.footer__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    margin-bottom: 16px;
}

.footer__logo-icon {
    width: 36px;
    height: 36px;
    background: var(--primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 16px;
}

.footer__logo-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--white);
}

.footer__desc {
    font-size: 14px;
    line-height: 1.7;
    color: var(--gray-400);
    margin-bottom: 20px;
}

.footer__social {
    display: flex;
    gap: 8px;
}

.footer__social-link {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.08);
    border-radius: var(--radius-sm);
    color: var(--gray-400);
    font-size: 16px;
    text-decoration: none;
    transition: all var(--transition-fast);
}

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

.footer__heading {
    font-size: 15px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer__links {
    list-style: none;
}

.footer__links li {
    margin-bottom: 10px;
}

.footer__links a {
    color: var(--gray-400);
    font-size: 14px;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer__contact {
    list-style: none;
}

.footer__contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 14px;
}

.footer__contact i {
    color: var(--primary);
    width: 16px;
    text-align: center;
    flex-shrink: 0;
}

.footer__contact a {
    color: var(--gray-400);
    text-decoration: none;
}

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

.footer__payments {
    margin-top: 20px;
}

.footer__payment-label {
    font-size: 12px;
    color: var(--gray-500);
    display: block;
    margin-bottom: 8px;
}

.footer__payment-icons {
    display: flex;
    gap: 8px;
}

.footer__payment-icons span {
    width: 40px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.08);
    border-radius: var(--radius-sm);
    font-size: 16px;
    color: var(--gray-400);
}

.footer__bottom {
    padding: 20px 0;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.footer__bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

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

.footer__bottom-links {
    display: flex;
    gap: 20px;
}

.footer__bottom-links a {
    font-size: 13px;
    color: var(--gray-500);
    text-decoration: none;
}

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

/* ========================================
   Mobile Bottom Nav
   ======================================== */
.mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    border-top: 1px solid var(--gray-200);
    z-index: 1000;
    height: var(--mobile-nav-height);
    padding: 0 8px;
    justify-content: space-around;
    align-items: center;
}

@media (max-width: 768px) {
    .mobile-nav { display: flex; }
    body { padding-bottom: var(--mobile-nav-height); }
}

.mobile-nav__item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding: 6px 10px;
    color: var(--gray-500);
    font-size: 18px;
    text-decoration: none;
    position: relative;
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
    transition: color var(--transition-fast);
}

.mobile-nav__item span {
    font-size: 10px;
    font-weight: 500;
}

.mobile-nav__item.active,
.mobile-nav__item:hover {
    color: var(--primary);
}

.mobile-nav__badge {
    position: absolute;
    top: 0;
    right: 4px;
    background: var(--primary);
    color: var(--white);
    font-size: 9px;
    font-weight: 700;
    min-width: 16px;
    height: 16px;
    line-height: 16px;
    text-align: center;
    border-radius: var(--radius-full);
    padding: 0 3px;
}

/* ========================================
   Back to Top
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 80px;
    right: 20px;
    width: 44px;
    height: 44px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-full);
    font-size: 16px;
    cursor: pointer;
    z-index: 900;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .back-to-top { bottom: calc(var(--mobile-nav-height) + 16px); }
}

/* ========================================
   Reveal Animation
   ======================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Scrollbar
   ======================================== */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    .site-header, .main-nav, .announce-bar, .mobile-nav, 
    .back-to-top, .cart-drawer, .cart-drawer-overlay,
    .toast-container, .site-footer { display: none !important; }
    body { padding: 0; background: white; }
}

.checkout-layout {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 40px;
}
.checkout-section {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    margin-bottom: 20px;
}
.checkout-section h4 {
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--dark);
}
.checkout-section h4 i { color: var(--primary); }

/* Form */
.form-label {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 6px;
}
.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: var(--font);
    outline: none;
    transition: border-color 0.2s;
    background: var(--bg);
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-glow); }
textarea.form-control { resize: vertical; }
.row { display: flex; flex-wrap: wrap; margin: 0 -8px; }
.g-3 { gap: 16px; }
.col-md-4, .col-md-6, .col-12 { padding: 0 8px; margin-bottom: 12px; }
.col-12 { width: 100%; }
.col-md-6 { width: 50%; }
.col-md-4 { width: 33.333%; }
.col-md-2 { width: 16.667%; padding: 0 8px; margin-bottom: 12px; }
.d-flex { display: flex; }
.align-items-center { align-items: center; }
.align-items-end { align-items: flex-end; }
.gap-2 { gap: 8px; }

/* Shipping/Payment Options */
.shipping-options, .payment-options { display: grid; gap: 10px; }
.shipping-option, .payment-option {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
}
.shipping-option:hover, .payment-option:hover { border-color: var(--primary); }
.shipping-option.selected, .payment-option.selected { border-color: var(--primary); background: var(--primary-light); }
.shipping-option input, .payment-option input { display: none; }
.shipping-option i, .payment-option i { font-size: 20px; color: var(--primary); flex-shrink: 0; }
.shipping-option-content { display: flex; align-items: center; gap: 14px; flex: 1; }
.shipping-option-content div { flex: 1; }
.shipping-option-content strong { font-size: 14px; display: block; }
.shipping-option-content small { font-size: 12px; color: var(--text-light); }
.shipping-price { font-weight: 800; color: var(--primary); font-size: 15px; }

.btn-place-order {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, var(--primary), #FF9F43);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 18px;
    font-weight: 800;
    font-family: var(--font);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s;
    box-shadow: 0 8px 24px var(--primary-glow);
}
.btn-place-order:hover { transform: translateY(-2px); box-shadow: 0 12px 32px var(--primary-glow); }
.btn-place-order:disabled { opacity: 0.6; }

/* Checkout Sidebar */
.checkout-sidebar {}
.order-summary-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    position: sticky;
    top: 140px;
    box-shadow: var(--shadow-md);
}
.order-summary-card h5 { font-size: 18px; font-weight: 800; margin-bottom: 20px; display: flex; align-items: center; gap: 8px; }
.order-summary-card hr { border: none; border-top: 1px solid var(--border); margin: 12px 0; }
.total-row { font-size: 18px; }
.fs-5 { font-size: 20px; }

.checkout-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}
.checkout-item:last-child { border-bottom: none; }
.checkout-item img {
    width: 48px; height: 48px;
    object-fit: cover;
    border-radius: var(--radius-xs);
    background: var(--bg-alt);
}
.checkout-item div { flex: 1; }
.checkout-item strong { font-size: 13px; display: block; }
.checkout-item small { font-size: 12px; color: var(--text-light); }
.checkout-item span { font-weight: 700; color: var(--primary); white-space: nowrap; }

/* ==================== ORDER COMPLETE ==================== */
.order-complete-card {
@media (max-width: 992px) { .checkout-layout { grid-template-columns: 1fr; } .order-summary-card { position: static; } }