/* ================================
   YIZA AUTOPARTES - Main Stylesheet
   ================================ */

:root {
    --red: #c1121f;
    --red-dark: #9b0e17;
    --red-light: #e63946;
    --black: #0d0d0d;
    --dark: #1a1a1a;
    --dark-2: #252525;
    --dark-3: #333333;
    --gray: #666666;
    --gray-light: #aaaaaa;
    --white: #ffffff;
    --off-white: #f5f5f0;
    --cream: #faf9f6;
    --border: #e0e0e0;
    
    --font-main: 'Barlow', sans-serif;
    --font-display: 'Barlow Condensed', sans-serif;
    
    --radius: 4px;
    --radius-lg: 8px;
    --shadow: 0 2px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.15);
    --transition: 0.3s ease;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-main); color: var(--dark); background: var(--white); line-height: 1.6; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* Container */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===== TOPBAR ===== */
.topbar {
    background: var(--black);
    color: var(--gray-light);
    font-size: 13px;
    padding: 8px 0;
    border-bottom: 1px solid var(--red-dark);
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.topbar-left { display: flex; gap: 20px; flex-wrap: wrap; }
.topbar-left a, .topbar-left span { color: var(--gray-light); display: flex; align-items: center; gap: 6px; }
.topbar-left a:hover { color: var(--red-light); }
.topbar-right { display: flex; gap: 10px; }
.social-icon { width: 28px; height: 28px; background: var(--dark-2); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--gray-light); font-size: 12px; }
.social-icon:hover { background: var(--red); color: var(--white); }

/* ===== HEADER ===== */
.header {
    background: var(--white);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
    border-bottom: 3px solid var(--red);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; gap: 20px; }

/* Logo */
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon { 
    width: 46px; height: 46px; 
    background: var(--red); 
    color: var(--white);
    font-family: var(--font-display);
    font-size: 28px; font-weight: 900;
    display: flex; align-items: center; justify-content: center;
    clip-path: polygon(10% 0%, 100% 0%, 90% 100%, 0% 100%);
}
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-main { font-family: var(--font-display); font-size: 22px; font-weight: 800; color: var(--dark); letter-spacing: 2px; }
.logo-sub { font-size: 10px; font-weight: 600; color: var(--gray); letter-spacing: 3px; text-transform: uppercase; }

/* Nav */
.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-menu > li { position: relative; }
.nav-menu > li > a {
    display: flex; align-items: center; gap: 5px;
    padding: 8px 14px;
    font-size: 14px; font-weight: 600;
    color: var(--dark); text-transform: uppercase; letter-spacing: 0.5px;
    border-radius: var(--radius);
    transition: var(--transition);
}
.nav-menu > li > a:hover, .nav-menu > li > a.active { color: var(--red); }
.nav-menu > li > a .fa-chevron-down { font-size: 10px; }

/* Dropdown */
.dropdown {
    position: absolute; top: calc(100% + 4px); left: 0;
    background: var(--white); min-width: 200px;
    border-top: 3px solid var(--red);
    box-shadow: var(--shadow-lg);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    opacity: 0; visibility: hidden; transform: translateY(-10px);
    transition: var(--transition);
    z-index: 100;
}
.dropdown-wide { min-width: 300px; columns: 2; }
.dropdown li a {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 16px;
    font-size: 13px; color: var(--dark-3);
    border-bottom: 1px solid var(--border);
    break-inside: avoid;
}
.dropdown li a i { width: 16px; color: var(--red); font-size: 12px; }
.dropdown li a:hover { background: var(--off-white); color: var(--red); padding-left: 22px; }
.has-dropdown:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }

/* Header Actions */
.header-actions { display: flex; align-items: center; gap: 10px; }
.btn-search { 
    width: 38px; height: 38px; 
    border: 2px solid var(--border); border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    color: var(--gray); font-size: 14px;
    transition: var(--transition);
}
.btn-search:hover { border-color: var(--red); color: var(--red); }
.btn-cta {
    display: flex; align-items: center; gap: 8px;
    background: #25d366; color: var(--white);
    padding: 8px 16px; border-radius: var(--radius);
    font-size: 14px; font-weight: 600;
    transition: var(--transition);
}
.btn-cta:hover { background: #1da851; }
.hamburger { display: none; flex-direction: column; gap: 5px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--dark); transition: var(--transition); }

/* Search Bar */
.search-bar {
    background: var(--dark); padding: 12px 0;
    display: none; border-top: 1px solid var(--dark-3);
}
.search-bar.active { display: block; }
.search-form { display: flex; gap: 0; }
.search-form input {
    flex: 1; padding: 10px 16px;
    background: var(--dark-2); border: 1px solid var(--dark-3);
    border-right: none; color: var(--white);
    border-radius: var(--radius) 0 0 var(--radius);
    font-size: 14px;
}
.search-form input::placeholder { color: var(--gray); }
.search-form input:focus { outline: none; border-color: var(--red); }
.search-form button {
    background: var(--red); color: var(--white);
    padding: 10px 20px; font-weight: 600; font-size: 14px;
    border-radius: 0 var(--radius) var(--radius) 0;
    transition: var(--transition); display: flex; align-items: center; gap: 8px;
}
.search-form button:hover { background: var(--red-dark); }

/* ===== HERO / SLIDER ===== */
.hero { position: relative; overflow: hidden; }
.hero-swiper { height: 580px; }
.hero-slide { 
    position: relative; 
    display: flex; align-items: center;
    background: var(--black);
    overflow: hidden;
}
.hero-bg {
    position: absolute; inset: 0;
    background-size: cover; background-position: center;
    opacity: 0.5;
    transition: transform 8s ease;
}
.hero-slide.swiper-slide-active .hero-bg { transform: scale(1.05); }
.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(90deg, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.2) 100%);
}
.hero-content { position: relative; z-index: 2; padding: 0 60px; max-width: 700px; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--red); color: var(--white);
    font-size: 11px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
    padding: 6px 14px; margin-bottom: 20px;
    clip-path: polygon(0 0, 100% 0, 95% 100%, 0 100%);
}
.hero-title {
    font-family: var(--font-display);
    font-size: clamp(42px, 6vw, 72px);
    font-weight: 900; line-height: 1; color: var(--white);
    text-transform: uppercase; letter-spacing: 1px;
    margin-bottom: 16px;
}
.hero-title span { color: var(--red-light); }
.hero-desc { color: rgba(255,255,255,0.75); font-size: 16px; margin-bottom: 30px; max-width: 500px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn { 
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 28px; border-radius: var(--radius);
    font-size: 14px; font-weight: 600; letter-spacing: 0.5px;
    transition: var(--transition); border: 2px solid transparent;
}
.btn-primary { background: var(--red); color: var(--white); }
.btn-primary:hover { background: var(--red-dark); }
.btn-outline { border-color: rgba(255,255,255,0.5); color: var(--white); }
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,0.1); }
.btn-dark { background: var(--dark); color: var(--white); }
.btn-dark:hover { background: var(--black); }

/* Slider nav */
.swiper-button-next, .swiper-button-prev {
    width: 44px !important; height: 44px !important;
    background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius);
    color: var(--white) !important;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}
.swiper-button-next:hover, .swiper-button-prev:hover { background: var(--red); border-color: var(--red); }
.swiper-button-next::after, .swiper-button-prev::after { font-size: 14px !important; font-weight: 700 !important; }
.swiper-pagination-bullet { background: rgba(255,255,255,0.5) !important; }
.swiper-pagination-bullet-active { background: var(--red) !important; width: 24px !important; border-radius: 2px !important; }

/* ===== BRANDS BAR ===== */
.brands-bar { background: var(--dark); padding: 20px 0; border-bottom: 3px solid var(--red); }
.brands-bar .container { display: flex; align-items: center; gap: 0; overflow-x: auto; }
.brand-item {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 24px; color: var(--gray-light);
    font-family: var(--font-display); font-size: 18px; font-weight: 700; letter-spacing: 2px;
    border-right: 1px solid var(--dark-3);
    white-space: nowrap; transition: var(--transition); flex-shrink: 0;
}
.brand-item:hover { color: var(--red-light); }

/* ===== SECTION HEADERS ===== */
.section { padding: 80px 0; }
.section-alt { background: var(--cream); }
.section-header { text-align: center; margin-bottom: 50px; }
.section-tag {
    display: inline-block;
    background: var(--red); color: var(--white);
    font-size: 11px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase;
    padding: 4px 14px; margin-bottom: 12px;
}
.section-title {
    font-family: var(--font-display);
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 800; color: var(--dark); text-transform: uppercase; line-height: 1.1;
}
.section-title span { color: var(--red); }
.section-desc { color: var(--gray); font-size: 16px; margin-top: 12px; max-width: 600px; margin-left: auto; margin-right: auto; }
.section-line {
    display: flex; align-items: center; justify-content: center; gap: 10px;
    margin-top: 16px;
}
.section-line::before, .section-line::after {
    content: ''; width: 60px; height: 2px; background: var(--border);
}
.section-line span { width: 8px; height: 8px; background: var(--red); transform: rotate(45deg); }

/* ===== CATEGORIES GRID ===== */
.categories-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); 
    gap: 16px; 
}
.category-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 16px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    position: relative; overflow: hidden;
}
.category-card::before {
    content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 3px;
    background: var(--red); transform: scaleX(0); transform-origin: left;
    transition: var(--transition);
}
.category-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--red); }
.category-card:hover::before { transform: scaleX(1); }
.category-icon {
    width: 56px; height: 56px; border-radius: 50%;
    background: linear-gradient(135deg, var(--off-white), var(--cream));
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 14px;
    font-size: 22px; color: var(--red);
    transition: var(--transition);
    border: 2px solid transparent;
}
.category-card:hover .category-icon { background: var(--red); color: var(--white); border-color: var(--red); }
.category-name { font-size: 13px; font-weight: 600; color: var(--dark); text-transform: uppercase; letter-spacing: 0.5px; }

/* ===== PRODUCTS GRID ===== */
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.product-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}
.product-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.product-img-wrap { position: relative; overflow: hidden; aspect-ratio: 4/3; background: var(--off-white); }
.product-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.product-card:hover .product-img-wrap img { transform: scale(1.05); }
.product-badge {
    position: absolute; top: 12px; left: 12px;
    background: var(--red); color: var(--white);
    font-size: 11px; font-weight: 700; padding: 3px 10px;
    text-transform: uppercase; letter-spacing: 1px;
}
.product-no-img { width: 100%; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; color: var(--gray-light); gap: 8px; }
.product-no-img i { font-size: 40px; }
.product-body { padding: 16px; }
.product-brand { font-size: 11px; font-weight: 700; color: var(--red); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px; }
.product-name { font-size: 15px; font-weight: 600; color: var(--dark); margin-bottom: 8px; line-height: 1.4; }
.product-code { font-size: 12px; color: var(--gray); margin-bottom: 12px; }
.product-price { font-family: var(--font-display); font-size: 22px; font-weight: 700; color: var(--red); }
.product-footer { padding: 12px 16px; border-top: 1px solid var(--border); display: flex; gap: 8px; }
.product-footer .btn { flex: 1; justify-content: center; padding: 8px 12px; font-size: 13px; }

/* ===== ABOUT / STATS ===== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-images { position: relative; }
.about-img-main { border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4/3; }
.about-img-main img { width: 100%; height: 100%; object-fit: cover; }
.about-img-badge {
    position: absolute; bottom: -20px; right: -20px;
    background: var(--red); color: var(--white);
    padding: 24px; text-align: center;
    font-family: var(--font-display); border-radius: var(--radius-lg);
}
.about-img-badge .number { font-size: 48px; font-weight: 900; line-height: 1; }
.about-img-badge .text { font-size: 13px; font-weight: 600; letter-spacing: 1px; }
.about-content { }
.about-features { margin-top: 28px; display: flex; flex-direction: column; gap: 16px; }
.about-feature { display: flex; gap: 16px; align-items: flex-start; }
.feature-icon { 
    width: 44px; height: 44px; background: var(--off-white); border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    color: var(--red); font-size: 18px; flex-shrink: 0;
    transition: var(--transition);
}
.about-feature:hover .feature-icon { background: var(--red); color: var(--white); }
.feature-text h4 { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.feature-text p { font-size: 13px; color: var(--gray); }

.stats-bar { background: var(--red); padding: 40px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.stat-item { text-align: center; padding: 20px; border-right: 1px solid rgba(255,255,255,0.2); }
.stat-item:last-child { border-right: none; }
.stat-number { font-family: var(--font-display); font-size: 48px; font-weight: 900; color: var(--white); line-height: 1; }
.stat-label { font-size: 13px; color: rgba(255,255,255,0.75); text-transform: uppercase; letter-spacing: 1px; margin-top: 6px; }

/* ===== BRANDS SECTION ===== */
.brands-showcase { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 16px; }
.brand-card {
    background: var(--white); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 28px 20px;
    text-align: center; transition: var(--transition);
    cursor: pointer;
}
.brand-card:hover { border-color: var(--red); box-shadow: var(--shadow); }
.brand-card i { font-size: 32px; color: var(--gray-light); margin-bottom: 10px; transition: var(--transition); }
.brand-card:hover i { color: var(--red); }
.brand-card h4 { font-family: var(--font-display); font-size: 18px; font-weight: 700; letter-spacing: 2px; }

/* ===== GALLERY ===== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(2, 200px);
    gap: 12px;
}
.gallery-item { overflow: hidden; border-radius: var(--radius); cursor: pointer; }
.gallery-item:first-child { grid-column: span 2; grid-row: span 2; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.gallery-item:hover img { transform: scale(1.08); }

/* ===== CONTACT ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 40px; }
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-info-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-info-icon {
    width: 48px; height: 48px; background: var(--red);
    border-radius: var(--radius); display: flex; align-items: center; justify-content: center;
    color: var(--white); font-size: 18px; flex-shrink: 0;
}
.contact-info-text h4 { font-size: 14px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
.contact-info-text p, .contact-info-text a { font-size: 14px; color: var(--gray); }
.contact-info-text a:hover { color: var(--red); }

.contact-form-wrap { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 40px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; color: var(--dark); }
.form-group input, .form-group textarea, .form-group select {
    width: 100%; padding: 12px 16px;
    border: 1px solid var(--border); border-radius: var(--radius);
    font-size: 14px; color: var(--dark);
    transition: var(--transition);
    background: var(--white);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    outline: none; border-color: var(--red);
    box-shadow: 0 0 0 3px rgba(193,18,31,0.1);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group textarea { height: 120px; resize: vertical; }

/* ===== TESTIMONIALS ===== */
.testimonials-swiper { padding-bottom: 50px !important; }
.testimonial-card {
    background: var(--white); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 32px;
}
.testimonial-stars { color: #f4a261; margin-bottom: 16px; font-size: 14px; }
.testimonial-text { font-size: 15px; color: var(--dark-3); font-style: italic; line-height: 1.7; margin-bottom: 20px; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
    width: 44px; height: 44px; border-radius: 50%;
    background: var(--red); color: var(--white);
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-display); font-size: 18px; font-weight: 700;
}
.testimonial-name { font-weight: 600; font-size: 14px; }
.testimonial-role { font-size: 12px; color: var(--gray); }

/* ===== ALERT / FLASH ===== */
.alert { padding: 14px 20px; border-radius: var(--radius); margin-bottom: 20px; display: flex; align-items: center; gap: 10px; font-size: 14px; }
.alert-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.alert-error { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.alert-info { background: #d1ecf1; color: #0c5460; border: 1px solid #bee5eb; }

/* ===== BREADCRUMB ===== */
.breadcrumb-bar { background: var(--off-white); border-bottom: 1px solid var(--border); padding: 14px 0; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--gray); }
.breadcrumb a { color: var(--gray); }
.breadcrumb a:hover { color: var(--red); }
.breadcrumb .sep { color: var(--border); }
.breadcrumb .current { color: var(--dark); font-weight: 500; }

/* ===== PAGE HEADER ===== */
.page-header {
    background: var(--dark);
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}
.page-header::before {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(135deg, var(--red-dark) 0%, var(--black) 60%);
    opacity: 0.6;
}
.page-header .container { position: relative; z-index: 1; }
.page-header h1 {
    font-family: var(--font-display);
    font-size: clamp(36px, 5vw, 56px); font-weight: 900;
    color: var(--white); text-transform: uppercase;
}
.page-header p { color: rgba(255,255,255,0.7); font-size: 16px; margin-top: 8px; }

/* ===== PAGINATION ===== */
.pagination { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 40px; }
.page-link {
    width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
    border: 1px solid var(--border); border-radius: var(--radius);
    font-size: 14px; color: var(--dark); transition: var(--transition);
}
.page-link:hover, .page-link.active { background: var(--red); border-color: var(--red); color: var(--white); }

/* ===== FOOTER ===== */
.footer-top { background: var(--dark); padding: 60px 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 2fr; gap: 40px; }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer .logo-main { color: var(--white); }
.footer .logo-sub { color: var(--gray-light); }
.footer-desc { color: var(--gray-light); font-size: 14px; line-height: 1.7; margin-bottom: 20px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a { 
    width: 36px; height: 36px; background: var(--dark-3);
    border-radius: var(--radius); display: flex; align-items: center; justify-content: center;
    color: var(--gray-light); transition: var(--transition);
}
.footer-social a:hover { background: var(--red); color: var(--white); }
.footer-col h4 { 
    color: var(--white); font-size: 14px; font-weight: 700;
    text-transform: uppercase; letter-spacing: 1px;
    margin-bottom: 20px; padding-bottom: 12px;
    border-bottom: 2px solid var(--red);
}
.footer-links li a {
    color: var(--gray-light); font-size: 13px;
    display: flex; align-items: center; gap: 8px;
    padding: 5px 0; border-bottom: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
}
.footer-links li a:hover { color: var(--white); padding-left: 8px; }
.footer-links li a i { font-size: 10px; color: var(--red); }
.footer-contact li {
    display: flex; gap: 12px; align-items: flex-start;
    color: var(--gray-light); font-size: 13px;
    padding: 6px 0; border-bottom: 1px solid rgba(255,255,255,0.05);
}
.footer-contact li i { color: var(--red); margin-top: 3px; flex-shrink: 0; }
.footer-contact li a { color: var(--gray-light); }
.footer-contact li a:hover { color: var(--white); }
.footer-bottom {
    background: var(--black); padding: 16px 0;
    border-top: 1px solid var(--dark-3);
}
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { color: var(--gray); font-size: 13px; }

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
    position: fixed; bottom: 80px; right: 24px;
    width: 56px; height: 56px;
    background: #25d366; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--white); font-size: 28px;
    box-shadow: 0 4px 20px rgba(37,211,102,0.4);
    z-index: 999; transition: var(--transition);
    animation: pulse 2s infinite;
}
.whatsapp-float:hover { background: #1da851; transform: scale(1.1); }
.whatsapp-tooltip {
    position: absolute; right: 66px; white-space: nowrap;
    background: var(--dark); color: var(--white);
    font-size: 12px; padding: 6px 12px; border-radius: var(--radius);
    opacity: 0; transition: var(--transition); pointer-events: none;
}
.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; }
@keyframes pulse { 0%,100% { box-shadow: 0 4px 20px rgba(37,211,102,0.4); } 50% { box-shadow: 0 4px 30px rgba(37,211,102,0.7); } }

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed; bottom: 24px; right: 24px;
    width: 44px; height: 44px; background: var(--dark);
    border-radius: var(--radius); color: var(--white);
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; z-index: 998;
    opacity: 0; transform: translateY(10px); pointer-events: none;
    transition: var(--transition);
}
.back-to-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-to-top:hover { background: var(--red); }

/* ===== FILTERS ===== */
.filters-bar {
    background: var(--white); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 20px;
    margin-bottom: 28px; display: flex; gap: 16px; flex-wrap: wrap; align-items: flex-end;
}
.filter-group { flex: 1; min-width: 150px; }
.filter-group label { display: block; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; color: var(--gray); }
.filter-group select, .filter-group input {
    width: 100%; padding: 9px 12px;
    border: 1px solid var(--border); border-radius: var(--radius);
    font-size: 14px;
}
.filter-group select:focus, .filter-group input:focus { outline: none; border-color: var(--red); }

/* ===== PRODUCT DETAIL ===== */
.product-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.product-gallery-main { aspect-ratio: 1; overflow: hidden; border-radius: var(--radius-lg); border: 1px solid var(--border); }
.product-gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.product-gallery-thumbs { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.product-thumb { width: 72px; height: 72px; overflow: hidden; border-radius: var(--radius); border: 2px solid transparent; cursor: pointer; transition: var(--transition); }
.product-thumb.active, .product-thumb:hover { border-color: var(--red); }
.product-thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-detail-name { font-family: var(--font-display); font-size: 32px; font-weight: 800; text-transform: uppercase; margin-bottom: 12px; }
.product-detail-price { font-family: var(--font-display); font-size: 36px; font-weight: 700; color: var(--red); margin: 20px 0; }
.product-compat { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0; }
.compat-tag {
    padding: 4px 12px; background: var(--off-white); border: 1px solid var(--border);
    border-radius: 20px; font-size: 12px; font-weight: 600;
}

/* ===== EMPTY STATE ===== */
.empty-state { text-align: center; padding: 80px 20px; }
.empty-state i { font-size: 64px; color: var(--border); margin-bottom: 20px; }
.empty-state h3 { font-size: 20px; font-weight: 600; margin-bottom: 8px; }
.empty-state p { color: var(--gray); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .about-grid { grid-template-columns: 1fr; }
    .about-images { display: none; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .gallery-grid { grid-template-columns: repeat(3, 1fr); grid-template-rows: auto; }
    .gallery-item:first-child { grid-column: span 1; grid-row: span 1; }
}

@media (max-width: 768px) {
    .topbar { display: none; }
    .nav { 
        position: fixed; top: 0; left: -100%; bottom: 0;
        width: 80%; max-width: 320px;
        background: var(--white); z-index: 999;
        box-shadow: var(--shadow-lg);
        overflow-y: auto; padding: 70px 0 30px;
        transition: var(--transition);
    }
    .nav.open { left: 0; }
    .nav-menu { flex-direction: column; gap: 0; }
    .nav-menu > li > a { padding: 14px 20px; border-bottom: 1px solid var(--border); }
    .dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border-top: none; background: var(--off-white); columns: 1; display: none; }
    .has-dropdown.open .dropdown { display: block; }
    .hamburger { display: flex; }
    .logo-sub { display: none; }
    
    .hero-swiper { height: 400px; }
    .hero-content { padding: 0 20px; }
    .hero-title { font-size: 36px; }
    .footer-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .product-detail-grid { grid-template-columns: 1fr; }
    .categories-grid { grid-template-columns: repeat(3, 1fr); }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-bottom .container { flex-direction: column; gap: 8px; text-align: center; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .brands-showcase { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 480px) {
    .categories-grid { grid-template-columns: repeat(2, 1fr); }
    .products-grid { grid-template-columns: 1fr; }
    .btn-search { display: none; }
}