/* Premium Vanilla CSS for Parts Catalog */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --primary-color: #1e293b;     /* Dark Slate */
    --secondary-color: #eab308;   /* Yellow */
    --accent-color: #f97316;      /* Orange */
    --background-color: #f1f5f9;  /* Light Grey-Blue */
    --card-background: #ffffff;
    --text-color: #0f172a;        /* Dark Slate Text */
    --text-muted: #475569;
    --border-color: #cbd5e1;
    --success-color: #10b981;
    --danger-color: #ef4444;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --transition: all 0.2s ease-in-out;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.5;
}

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

/* Public Layout Structure */
.site-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
header {
    background: var(--primary-color);
    border-bottom: 3px solid var(--secondary-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
    color: white;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90px;
}

.logo a {
    font-size: 30px;
    font-weight: 900;
    color: var(--header-text-color, white);
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -0.5px;
}

.logo span {
    border-left: 2px solid var(--header-pipe-color, rgba(255, 255, 255, 0.2));
    padding-left: 10px;
    font-size: 21px;
    font-weight: 500;
    color: var(--secondary-color);
    text-transform: uppercase;
}

.logo img {
    max-height: 120px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav-link {
    font-weight: 700;
    color: var(--header-menu-text-color, #cbd5e1);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-link:hover, .nav-link.active {
    color: var(--header-menu-accent-color, var(--secondary-color-light));
}

.cart-button-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--secondary-color);
    color: #0f172a !important;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    font-weight: 800;
    font-size: 13px;
    text-transform: uppercase;
    box-shadow: 0 4px 6px rgba(234, 179, 8, 0.2);
}

.cart-button-nav:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 12px rgba(234, 179, 8, 0.3);
}

.cart-badge {
    background: #0f172a;
    color: white;
    font-weight: 800;
    font-size: 11px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Hero Section with Slider Carousel */
.hero-slider-wrapper {
    position: relative;
    width: 100%;
    height: 520px;
    overflow: hidden;
    color: white;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    border-bottom: 4px solid var(--secondary-color);
}

.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    z-index: 1;
}

.hero-slide.active {
    opacity: 1;
    z-index: 2;
}

.hero-content-overlay {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    text-align: left;
    padding: 60px 20px 0 20px;
}

.hero-content-overlay h1 {
    font-size: 48px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 15px;
    letter-spacing: -1px;
    text-transform: uppercase;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.7);
}

.hero-content-overlay p {
    font-size: 18px;
    color: #f1f5f9;
    margin-bottom: 35px;
    font-weight: 500;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.7);
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 12;
    transition: var(--transition);
    outline: none;
}

.slider-btn:hover {
    background: rgba(15, 23, 42, 0.8);
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

.prev-btn {
    left: 25px;
}

.next-btn {
    right: 25px;
}

.slider-dots {
    position: absolute;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 12;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--secondary-color);
    transform: scale(1.2);
}

@media (max-width: 768px) {
    .hero-slider-wrapper {
        height: 420px;
    }
    .hero-content-overlay h1 {
        font-size: 34px;
    }
    .hero-content-overlay p {
        font-size: 15px;
        margin-bottom: 25px;
    }
    .slider-btn {
        display: none;
    }
}


/* Multi-Search Bar Component */
.search-container {
    background: white;
    padding: 12px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    display: flex;
    gap: 12px;
}

.search-container input {
    flex: 1;
    background: #f8fafc;
    border: 1px solid var(--border-color);
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 15px;
    color: var(--text-color);
    outline: none;
}

.search-container input:focus {
    border-color: var(--secondary-color);
}

.search-container button {
    background: var(--secondary-color);
    color: #0f172a;
    border: none;
    padding: 14px 35px;
    border-radius: var(--radius-sm);
    font-weight: 800;
    font-size: 15px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
}

.search-container button:hover {
    background: #d9a406;
}

/* Main Layout Grid */
.main-content {
    flex: 1;
    padding: 50px 0;
}

/* Category & Brand Pills Section */
.quick-filters {
    margin-bottom: 35px;
}

.section-title {
    font-size: 24px;
    font-weight: 900;
    color: var(--primary-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: -0.5px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 8px;
}

.pills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.filter-pill {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 13px;
    color: var(--text-muted);
    text-transform: uppercase;
    box-shadow: var(--shadow-sm);
}

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

.filter-pill.active {
    border-bottom: 3px solid var(--secondary-color);
}

/* Parts Catalog Grid */
.parts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

@media (min-width: 993px) {
    .parts-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.part-card {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.part-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--secondary-color);
}

.part-image-wrapper {
    position: relative;
    padding-bottom: 70%;
    background: #f8fafc;
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
}

.part-image-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 10px;
}

.no-image-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: #f8fafc;
    color: #94a3b8;
    font-size: 13px;
    gap: 6px;
}

.no-image-placeholder svg {
    width: 32px;
    height: 32px;
    stroke: #94a3b8;
}

.part-info {
    padding: 18px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.part-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 10px;
}

.tag-brand {
    background: #f1f5f9;
    color: #0f172a;
    font-size: 10px;
    font-weight: 800;
    padding: 3px 6px;
    border-radius: 2px;
    text-transform: uppercase;
}

.tag-category {
    background: #eff6ff;
    color: #2563eb;
    font-size: 10px;
    font-weight: 800;
    padding: 3px 6px;
    border-radius: 2px;
    text-transform: uppercase;
}

.part-title {
    font-size: 16px;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 12px;
    line-height: 1.3;
}

.part-codes-preview {
    margin-bottom: 15px;
    font-size: 12px;
    border-top: 1px dashed var(--border-color);
    padding-top: 12px;
}

.part-code-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 4px;
    font-size: 12px;
}

.part-code-row span:first-child {
    font-weight: 600;
    color: var(--text-muted);
}

.part-code-row span:last-child {
    font-family: monospace;
    font-weight: 700;
    color: var(--text-color);
}

.part-footer {
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    padding-top: 14px;
    display: flex;
    gap: 10px;
}

.btn-quote-action {
    flex: 1;
    background: var(--secondary-color);
    color: #0f172a;
    text-align: center;
    padding: 10px;
    border-radius: var(--radius-sm);
    font-weight: 800;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 4px rgba(234, 179, 8, 0.1);
}

.btn-quote-action:hover {
    background: #d9a406;
}

.btn-details-action {
    background: #f1f5f9;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

.btn-details-action:hover {
    background: #e2e8f0;
}

/* Detail Page Layout */
.product-detail-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

@media (max-width: 768px) {
    .product-detail-grid {
        grid-template-columns: 1fr;
        gap: 35px;
    }
}

.product-gallery {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
    padding: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 380px;
    box-shadow: var(--shadow-sm);
}

.product-gallery img {
    max-width: 100%;
    max-height: 320px;
    object-fit: contain;
}

.product-specs h2 {
    font-size: 28px;
    font-weight: 900;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.product-meta-row {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.spec-block {
    margin-bottom: 25px;
}

.spec-block h4 {
    font-size: 13px;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-left: 3px solid var(--secondary-color);
    padding-left: 8px;
}

.spec-block p {
    color: var(--text-muted);
    font-size: 14px;
}

.codes-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 25px;
    border: 1px solid var(--border-color);
}

.codes-table th, .codes-table td {
    padding: 10px 14px;
    text-align: left;
}

.codes-table th {
    background: #f8fafc;
    font-weight: 800;
    font-size: 12px;
    color: var(--primary-color);
    text-transform: uppercase;
    border-bottom: 2px solid var(--border-color);
}

.codes-table td {
    background: white;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

.codes-table tr:last-child td {
    border-bottom: none;
}

.action-card {
    background: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 20px;
}

.btn-add-cart {
    width: 100%;
    background: var(--secondary-color);
    color: #0f172a;
    border: none;
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    font-weight: 800;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(234, 179, 8, 0.15);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.btn-add-cart:hover {
    background: #d9a406;
}

.btn-secondary {
    background: white;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 14px;
    text-align: center;
    text-transform: uppercase;
    display: inline-block;
}

.btn-secondary:hover {
    background: #f1f5f9;
}

/* Cart Page Layout (No Prices) */
.cart-layout {
    display: grid;
    grid-template-columns: 1.8fr 1fr;
    gap: 30px;
}

@media (max-width: 992px) {
    .cart-layout {
        grid-template-columns: 1fr;
    }
}

.cart-items-panel {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 25px;
    box-shadow: var(--shadow-sm);
}

.cart-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.cart-item:first-child {
    padding-top: 0;
}

.cart-item:last-child {
    padding-bottom: 0;
    border-bottom: none;
}

.cart-item-image {
    width: 60px;
    height: 60px;
    background: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.cart-item-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.cart-item-details {
    flex: 1;
}

.cart-item-title {
    font-size: 15px;
    font-weight: 800;
    color: var(--primary-color);
}

.cart-item-brand {
    font-size: 11px;
    color: var(--text-muted);
}

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

.btn-remove-item {
    background: transparent;
    border: none;
    color: var(--danger-color);
    cursor: pointer;
    padding: 5px;
}

.cart-checkout-panel {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 25px;
    box-shadow: var(--shadow-sm);
    height: fit-content;
}

.checkout-title {
    font-size: 18px;
    font-weight: 900;
    margin-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
    text-transform: uppercase;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--primary-color);
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 14px;
    outline: none;
}

.form-control:focus {
    border-color: var(--secondary-color);
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

.checkout-summary {
    background: #f8fafc;
    padding: 12px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
}

.summary-row:last-child {
    font-weight: 800;
    font-size: 14px;
}

/* Success Page Layout */
.success-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 40px;
    text-align: center;
    max-width: 550px;
    margin: 0 auto;
    box-shadow: var(--shadow-lg);
}

.success-icon {
    width: 70px;
    height: 70px;
    background: #d1fae5;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 25px;
}

.success-icon svg {
    width: 36px;
    height: 36px;
    stroke: var(--success-color);
}

.success-card h2 {
    font-size: 24px;
    font-weight: 900;
    margin-bottom: 12px;
    text-transform: uppercase;
}

.success-card p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 25px;
}

.btn-whatsapp-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: #25d366;
    color: white !important;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-weight: 800;
    font-size: 14px;
    text-transform: uppercase;
    width: 100%;
    box-shadow: 0 4px 6px rgba(37, 211, 102, 0.2);
}

.btn-whatsapp-submit:hover {
    background: #128c7e;
}

/* Footer Section */
footer {
    background: var(--primary-color);
    border-top: 4px solid var(--secondary-color);
    color: white;
    padding: 50px 0 25px;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
}

.footer-logo {
    font-size: 22px;
    font-weight: 900;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-logo img {
    max-height: 120px;
    width: auto;
}

.footer-desc {
    color: #94a3b8;
    max-width: 320px;
    font-size: 13px;
}

.footer-title {
    font-size: 14px;
    font-weight: 800;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--secondary-color);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #cbd5e1;
    font-size: 13px;
    font-weight: 500;
}

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

.social-links {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.social-link {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    color: white;
}

.social-link:hover {
    background: var(--secondary-color);
    color: #0f172a;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: #64748b;
}

@media (max-width: 768px) {
    .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}

/* Pagination Custom CSS */
.pagination-wrapper {
    margin-top: 30px;
}

.pagination {
    display: flex;
    justify-content: center;
    list-style: none;
    gap: 6px;
    flex-wrap: wrap;
    padding: 0;
    margin: 0;
}

.pagination li a, .pagination li span {
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    background: white;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 700;
}

.pagination li.active span {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.pagination li.disabled span {
    color: var(--text-muted);
    opacity: 0.6;
}

.alert {
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 13px;
    font-weight: 600;
}

.alert-success {
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-danger {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

/* Cleaner Header Authentication Links */
.auth-links-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
}

.auth-nav-link {
    color: var(--header-text-color, #cbd5e1) !important;
    text-transform: none !important;
    letter-spacing: 0.2px;
    font-weight: 500;
    transition: var(--transition);
}

.auth-nav-link:hover {
    color: var(--header-accent-color, var(--secondary-color-light)) !important;
    text-decoration: none;
}

/* Differentials Section */
.differentials-wrapper {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 40px;
    align-items: center;
}

.differentials-sidebar-text {
    writing-mode: vertical-lr;
    transform: rotate(180deg);
    text-align: center;
    font-size: 20px;
    font-weight: 900;
    color: var(--primary-color);
    letter-spacing: 2px;
    text-transform: uppercase;
    border-left: 4px solid var(--secondary-color);
    padding-right: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.differentials-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    width: 100%;
}

.diff-box {
    color: white;
    padding: 25px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.diff-box:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.diff-box-fabricacao {
    background: #f97316;
}

.diff-box-distribuicao {
    background: #64748b;
}

.diff-box-iso {
    background: var(--primary-color);
}

.diff-box-qualidade {
    background: var(--secondary-color);
    color: #0f172a;
}

.diff-box-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.diff-box-header h4 {
    font-size: 16px;
    font-weight: 800;
    text-transform: uppercase;
    margin: 0;
}

.diff-box p {
    font-size: 12.5px;
    line-height: 1.5;
    opacity: 0.95;
    font-weight: 500;
    margin: 0;
}

.diff-box-qualidade p {
    font-weight: 600;
}

.diff-bullets-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.diff-bullet-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.diff-bullet-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(234, 179, 8, 0.15);
    color: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-weight: 800;
    font-size: 14px;
    margin-top: 2px;
}

@media (max-width: 992px) {
    .differentials-wrapper {
        grid-template-columns: 1fr;
        gap: 35px;
    }
}

@media (max-width: 576px) {
    .differentials-grid {
        grid-template-columns: 1fr;
    }
}

/* Responsive Double-Row Header Adjustments */
@media (max-width: 768px) {
    header {
        padding-top: 12px !important;
    }
    
    header .container:first-child {
        flex-direction: column;
        gap: 12px !important;
        margin-bottom: 12px !important;
        align-items: center !important;
    }
    
    header .logo {
        align-self: center;
    }
    
    .header-utility {
        justify-content: center;
        width: 100%;
        margin-top: 5px;
    }
    
    .header-bottom-container {
        flex-direction: column !important;
        gap: 15px !important;
        align-items: center !important;
        text-align: center;
    }
    
    .header-nav {
        gap: 15px !important;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .header-search-form {
        width: 100% !important;
        margin: 0 !important;
    }
}

/* Catalog Sidebar Layout */
.catalog-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    align-items: start;
}

.catalog-sidebar {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

.filter-group {
    margin-bottom: 25px;
}

.filter-group:last-child {
    margin-bottom: 0;
}

.filter-title {
    font-size: 14px;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--background-color);
    padding-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.filter-link {
    display: block;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
    margin-bottom: 3px;
}

.filter-link:hover {
    background: #f1f5f9;
    color: var(--primary-color);
    padding-left: 15px;
}

.filter-link.active {
    background: rgba(234, 179, 8, 0.1);
    color: var(--primary-color);
    font-weight: 700;
    border-left: 3px solid var(--secondary-color);
    padding-left: 10px;
}

.btn-clear-filters {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 10px;
    border-radius: var(--radius-sm);
    background: #f1f5f9;
    color: var(--text-color);
    font-size: 13px;
    font-weight: 700;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    margin-top: 15px;
}

.btn-clear-filters:hover {
    background: #e2e8f0;
    color: var(--primary-color);
}

@media (max-width: 992px) {
    .catalog-layout {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .catalog-sidebar {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
        padding: 20px;
    }
    
    .filter-group {
        margin-bottom: 0;
    }
    
    .btn-clear-filters {
        grid-column: 1 / -1;
    }
}

@media (max-width: 576px) {
    .catalog-sidebar {
        grid-template-columns: 1fr;
    }
}