/* Product & Service Page - UI UX Pro Max Design System */
/* Blue-dominant theme, Figtree/Noto Sans, responsive clamp() */
/* Breakpoints: 1440, 1200, 1024, 768, 640, 480, 425, 375, 360, 320px */

:root {
    --ps-primary: #0369A1;
    --ps-primary-hover: #0284C7;
    --ps-primary-dark: #0c4a6e;
    --ps-primary-ultra: #075985;
    --ps-bg: #ffffff;
    --ps-bg-light: #f0f9ff;
    --ps-text: #334155;
    --ps-text-light: #64748b;
    --ps-text-lighter: #94a3b8;
    --ps-border: #bae6fd;
    --ps-border-light: #e0f2fe;
    --font-heading: 'Figtree', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-body: 'Noto Sans', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --section-max-width: min(1700px, 95vw);
    --section-padding-x: clamp(16px, 4vw, 64px);
    --section-padding-y: clamp(32px, 5vw, 80px);
    --transition-speed: 200ms;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ========== Banner Slider ========== */
/* UI UX Pro Max: Stable layout, image fixed in card - padding-bottom 16:9 trick */
.banner-slider {
    position: relative;
    width: 95%;
    max-width: var(--section-max-width);
    margin: clamp(16px, 2vw, 24px) auto;
    overflow: hidden;
    border-radius: clamp(10px, 1.2vw, 16px);
    box-shadow: 0 clamp(8px, 1vw, 16px) clamp(24px, 3vw, 40px) rgba(3, 105, 161, 0.12);
    /* Shorter banner: crop out built-in white bands from source image */
    aspect-ratio: 2417 / 721;
}

.slider-container {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.slider-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.slider-item {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.4s ease-in-out;
    overflow: hidden;
}

.slider-item.active {
    opacity: 1;
    height: 100%;
}

/* Image locked to card - no vertical shift, fills container */
.slider-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100% !important;
    object-fit: cover !important;
    object-position: center center;
    display: block;
    z-index: 1;
}

.slider-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    background: rgba(0, 0, 0, 0.5);
    padding: clamp(20px, 3vw, 30px);
    border-radius: clamp(10px, 1.2vw, 14px);
    max-width: min(600px, 90vw);
}

.slider-content h2 {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    margin-bottom: clamp(10px, 1.5vw, 15px);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.slider-content p {
    font-size: clamp(0.9rem, 1.5vw, 1.2rem);
    margin-bottom: clamp(12px, 2vw, 20px);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.7);
}

.slider-btn-prev,
.slider-btn-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--ps-border-light);
    border-radius: 50%;
    cursor: pointer;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(0.9rem, 1.2vw, 1.2rem);
    color: var(--ps-text);
    transition: background-color var(--transition-speed) ease,
                border-color var(--transition-speed) ease,
                box-shadow var(--transition-speed) ease;
    min-width: 44px;
    min-height: 44px;
    width: clamp(40px, 5vw, 50px);
    height: clamp(40px, 5vw, 50px);
}

.slider-btn-prev:hover,
.slider-btn-next:hover {
    background: var(--ps-primary);
    border-color: var(--ps-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(3, 105, 161, 0.35);
}

.slider-btn-prev { left: clamp(10px, 1.5vw, 20px); }
.slider-btn-next { right: clamp(10px, 1.5vw, 20px); }

.slider-dots {
    position: absolute;
    bottom: clamp(12px, 2vw, 20px);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: clamp(6px, 1vw, 10px);
    z-index: 3;
}

.dot {
    width: clamp(8px, 1.2vw, 12px);
    height: clamp(8px, 1.2vw, 12px);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background-color var(--transition-speed) ease;
}

.dot.active { background: #ffffff; }

/* ========== Product Listing Section ========== */
.product-listing {
    width: 95%;
    max-width: var(--section-max-width);
    min-height: fit-content;
    border-radius: clamp(10px, 1.2vw, 16px);
    padding: clamp(24px, 4vw, 48px) 0;
    background: var(--ps-bg);
    margin: clamp(16px, 2vw, 24px) auto;
    display: block;
    overflow: visible;
}

.container {
    width: 100%;
    max-width: var(--section-max-width);
    margin: 0 auto;
    padding: 0 var(--section-padding-x);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.flex_title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(15px, 2.5vw, 32px);
    margin-top: clamp(30px, 5vw, 50px);
}

.title_line {
    flex: 1;
    height: 3px;
    background: linear-gradient(90deg, #bae6fd 0%, var(--ps-primary) 100%);
    border-radius: 2px;
    max-width: clamp(100px, 20vw, 320px);
    min-width: clamp(40px, 8vw, 100px);
    opacity: 0.9;
}

.product-listing h1 {
    text-align: center;
    font-family: var(--font-heading);
    font-size: clamp(28px, 5vw, 64px);
    font-weight: 700;
    color: var(--ps-text);
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(8px, 1.5vw, 15px);
    width: 100%;
}

.product-listing p {
    font-size: clamp(0.9rem, 1.2vw, 1.2rem);
    color: var(--ps-text-light);
}

/* ========== Categories Section ========== */
.categories-section {
    position: sticky !important;
    top: 72px !important;
    background: var(--ps-bg);
    z-index: 100;
    padding: clamp(12px, 2vw, 20px) 0;
    border-radius: clamp(8px, 1vw, 12px);
    width: 100%;
    max-width: var(--section-max-width);
    margin: 0 auto;
    box-shadow: 0 clamp(8px, 1vw, 16px) clamp(16px, 2vw, 24px) rgba(3, 105, 161, 0.12);
}

.categories-container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    margin-top: clamp(12px, 2vw, 20px);
}

.mobile-category-filter {
    display: none;
}

.mobile-category-filter::before {
    content: 'Browse by category';
    display: block;
    margin-bottom: 8px;
    font-family: var(--font-heading);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--ps-primary);
}

.mobile-category-select {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    min-height: 48px;
    border: 1px solid rgba(3, 105, 161, 0.3);
    border-radius: 14px;
    padding: 12px 44px 12px 14px;
    font-family: var(--font-body);
    font-size: 14px;
    font-weight: 600;
    color: var(--ps-text);
    background-color: #ffffff;
    background-image:
        linear-gradient(135deg, rgba(3, 105, 161, 0.06) 0%, rgba(2, 132, 199, 0.02) 100%),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%230369A1' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat, no-repeat;
    background-position: center, right 14px center;
    background-size: auto, 18px;
    box-shadow: 0 8px 18px rgba(3, 105, 161, 0.12);
    transition: border-color var(--transition-speed) ease,
                box-shadow var(--transition-speed) ease,
                transform var(--transition-speed) ease;
}

.mobile-category-select:hover {
    border-color: rgba(3, 105, 161, 0.45);
    box-shadow: 0 10px 20px rgba(3, 105, 161, 0.16);
}

.mobile-category-select:focus {
    outline: none;
    border-color: var(--ps-primary);
    box-shadow: 0 0 0 3px rgba(3, 105, 161, 0.2),
                0 12px 24px rgba(3, 105, 161, 0.18);
    transform: translateY(-1px);
}

.categories-wrapper {
    flex: 1;
    overflow: hidden;
    margin: 0;
    max-width: min(1400px, 92vw);
}

.categories-scroll {
    display: flex;
    gap: clamp(12px, 1.5vw, 24px);
    transition: transform 0.3s ease;
    padding: clamp(10px, 1.5vw, 18px) 0;
    justify-content: flex-start;
    width: 100%;
}

.category-btn {
    padding: clamp(12px, 1.5vw, 18px) clamp(20px, 2.5vw, 44px);
    border-radius: 999px;
    cursor: pointer;
    font-family: var(--font-body);
    font-size: clamp(12px, 1.2vw, 17px);
    font-weight: 600;
    transition: background-color var(--transition-speed) ease,
                border-color var(--transition-speed) ease,
                color var(--transition-speed) ease;
    min-width: fit-content;
    min-height: 44px;
    flex-shrink: 0;
    text-align: center;
    white-space: nowrap;
    background: linear-gradient(135deg, var(--ps-primary) 0%, #38bdf8 100%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
}

.category-btn:hover {
    background: linear-gradient(135deg, var(--ps-primary-hover) 0%, var(--ps-primary) 100%);
}

.category-btn.active {
    background: linear-gradient(135deg, var(--ps-primary-dark) 0%, var(--ps-primary-ultra) 100%);
    border-color: rgba(255, 255, 255, 0.2);
}

.category-btn.active:hover {
    background: linear-gradient(135deg, var(--ps-primary-ultra) 0%, var(--ps-primary) 100%);
}

.category-btn-prev,
.category-btn-next {
    background: var(--ps-bg);
    border: 2px solid var(--ps-border-light);
    color: var(--ps-text);
    width: clamp(36px, 4.5vw, 44px);
    height: clamp(36px, 4.5vw, 44px);
    min-width: 44px;
    min-height: 44px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(12px, 1.2vw, 16px);
    transition: background-color var(--transition-speed) ease,
                border-color var(--transition-speed) ease,
                color var(--transition-speed) ease,
                box-shadow var(--transition-speed) ease;
    flex-shrink: 0;
    z-index: 2;
}

.category-btn-prev:hover,
.category-btn-next:hover {
    background: var(--ps-primary);
    border-color: var(--ps-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(3, 105, 161, 0.35);
}

.category-btn-prev:disabled,
.category-btn-next:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.category-btn-prev:disabled:hover,
.category-btn-next:disabled:hover {
    background: var(--ps-bg);
    border-color: var(--ps-border-light);
    color: var(--ps-text-light);
    box-shadow: none;
}

/* ========== Product Display ========== */
.product-display-section {
    background: var(--ps-bg);
    margin: clamp(10px, 1.5vw, 16px) 0 clamp(48px, 8vw, 96px);
    padding: clamp(12px, 2vw, 24px);
    width: 100%;
    max-width: var(--section-max-width);
    margin-left: auto;
    margin-right: auto;
}

.product-display-container {
    width: 100%;
    max-width: var(--section-max-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.product-category-group {
    margin-bottom: clamp(40px, 5vw, 60px);
    width: 100%;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.25s ease, transform 0.25s ease;
}

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

.product-category-group.hidden {
    opacity: 0;
    transform: translateY(10px);
}

.product-category-title {
    font-family: var(--font-heading);
    text-align: center;
    font-size: clamp(24px, 4vw, 48px);
    font-weight: 800;
    color: var(--ps-primary-ultra);
    margin-bottom: clamp(24px, 3vw, 40px);
    position: relative;
}

.product-category-title::after {
    content: '';
    position: absolute;
    bottom: clamp(-10px, -1.5vw, -15px);
    left: 50%;
    transform: translateX(-50%);
    width: clamp(60px, 10vw, 100px);
    height: 4px;
    background: linear-gradient(135deg, var(--ps-primary) 0%, #38bdf8 100%);
    border-radius: 2px;
}

.product-display-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(12px, 1.5vw, 24px);
    width: 100%;
}

.product-display-card {
    text-align: justify;
    background: var(--ps-bg);
    border: 1px solid var(--ps-border);
    border-radius: clamp(12px, 1.5vw, 18px);
    padding: clamp(16px, 2vw, 24px);
    box-shadow: 0 clamp(6px, 1vw, 12px) clamp(16px, 2vw, 28px) rgba(0, 0, 0, 0.06);
    display: flex;
    flex-direction: column;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color var(--transition-speed) ease;
    width: 100%;
    cursor: pointer;
}

.product-display-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 clamp(12px, 1.5vw, 20px) clamp(24px, 3vw, 40px) rgba(3, 105, 161, 0.15);
    border-color: rgba(3, 105, 161, 0.25);
}

.product-display-img {
    width: 100%;
    max-width: 275px;
    height: auto;
    aspect-ratio: 1 / 1;
    object-fit: contain;
    object-position: center center;
    border-radius: clamp(8px, 1vw, 12px);
    margin: 0 auto clamp(10px, 1.2vw, 14px) auto;
    display: block;
    background-color: var(--ps-bg-light);
}

.product-display-name {
    font-family: var(--font-body);
    font-size: clamp(14px, 1.1vw, 18px);
    font-weight: 700;
    color: var(--ps-text);
    margin-bottom: clamp(8px, 1vw, 12px);
    text-align: center;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.8em;
}

.product-display-desc {
    font-size: clamp(12px, 1vw, 14px);
    text-align: justify;
    color: var(--ps-text-light);
    line-height: 1.7;
    margin-bottom: clamp(8px, 1vw, 12px);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-display-meta {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: clamp(8px, 1vw, 12px);
}

.product-display-price {
    font-weight: 800;
    color: var(--ps-primary-ultra);
    font-size: clamp(16px, 1.2vw, 18px);
    text-align: center;
    margin-bottom: 0;
}

.product-display-more,
.product-add-cart {
    text-decoration: none;
    color: var(--ps-primary);
    font-weight: 700;
    padding: clamp(6px, 0.8vw, 10px) clamp(10px, 1.2vw, 14px);
    border-radius: clamp(8px, 1vw, 12px);
    transition: background-color var(--transition-speed) ease,
                color var(--transition-speed) ease,
                border-color var(--transition-speed) ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    flex: 1;
    cursor: pointer;
    min-height: 44px;
    font-size: clamp(12px, 1vw, 14px);
}

.product-display-more {
    border: 1.5px solid rgba(3, 105, 161, 0.35);
    background: transparent;
}

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

.product-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(6px, 1vw, 12px);
    width: 100%;
}

.product-add-cart {
    border: 1.5px solid rgba(3, 105, 161, 0.3);
    background: rgba(3, 105, 161, 0.08);
}

.product-add-cart i { font-size: clamp(12px, 1vw, 14px); }

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

/* Focus states for accessibility */
.category-btn:focus-visible,
.category-btn-prev:focus-visible,
.category-btn-next:focus-visible,
.product-display-card:focus-within,
.product-display-more:focus-visible,
.product-add-cart:focus-visible {
    outline: 3px solid var(--ps-primary);
    outline-offset: 2px;
}

/* ========== Responsive Breakpoints ========== */
@media (max-width: 1440px) {
    .product-display-grid { gap: clamp(14px, 1.2vw, 20px); }
}

@media (max-width: 1200px) {
    .product-listing { width: 98%; padding: clamp(28px, 4vw, 40px) 0; }
    .container { padding: 0 clamp(16px, 2.5vw, 28px); }
    .product-display-section { padding: clamp(18px, 2vw, 24px); }
    .product-display-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: clamp(14px, 1.5vw, 20px);
    }
    .product-display-card { padding: clamp(14px, 1.8vw, 18px); }
    .product-category-title { font-size: clamp(36px, 3.5vw, 44px); margin-bottom: clamp(28px, 3vw, 36px); }
    .categories-scroll { gap: clamp(14px, 1.2vw, 18px); }
    .category-btn { padding: clamp(12px, 1.2vw, 14px) clamp(24px, 2vw, 32px); font-size: clamp(13px, 1.1vw, 15px); }
}

@media (max-width: 1024px) {
    .banner-slider {
        width: 98%;
        margin: clamp(12px, 1.5vw, 18px) auto;
        aspect-ratio: 16 / 7;
    }
    .product-display-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: clamp(12px, 1.5vw, 16px);
    }
    .product-category-title { font-size: clamp(28px, 3.5vw, 40px); margin-bottom: clamp(22px, 2.5vw, 32px); }
    .product-display-card { padding: clamp(12px, 1.5vw, 16px); }
    .product-display-more,
    .product-add-cart { padding: clamp(6px, 0.8vw, 8px) clamp(10px, 1vw, 12px); font-size: clamp(12px, 1vw, 13px); }
}

@media (max-width: 768px) {
    .banner-slider {
        width: 100%;
        max-width: 100%;
        margin: 0;
        border-radius: 0;
        /* Mobile: let container follow image natural ratio */
        aspect-ratio: auto;
    }
    .product-listing,
    .container,
    .categories-section,
    .product-display-section,
    .product-display-container {
        max-width: 100%;
    }
    .mobile-category-filter {
        display: block;
        width: 100%;
        padding: 0 clamp(12px, 3vw, 20px);
        margin-top: 0;
    }
    .categories-container {
        display: none;
    }
    .slider-container,
    .slider-wrapper,
    .slider-item,
    .slider-item.active {
        position: static;
        inset: auto;
        height: auto;
    }
    .slider-item {
        opacity: 1;
    }
    .slider-item picture {
        display: block;
        width: 100%;
    }
    .slider-image {
        position: static;
        width: 100%;
        height: auto !important;
        object-fit: contain !important;
    }
    .product-listing {
        width: 100%;
        margin: clamp(8px, 1vw, 12px) 0;
        border-radius: 0;
        padding: clamp(16px, 3vw, 24px) 0;
    }
    .container { padding: 0 clamp(12px, 3vw, 20px); }
    .product-display-section {
        padding: clamp(10px, 2vw, 16px);
        margin: clamp(8px, 1.5vw, 12px) 0 clamp(32px, 6vw, 48px);
    }
    .product-display-grid { gap: clamp(10px, 1.2vw, 14px); }
    .product-category-title {
        font-size: clamp(24px, 4vw, 32px);
        margin-bottom: clamp(16px, 2.5vw, 24px);
    }
    .product-category-title::after { width: clamp(60px, 12vw, 80px); height: 3px; }
    .product-display-card { padding: clamp(10px, 1.5vw, 14px); border-radius: clamp(10px, 1.2vw, 14px); }
    .product-display-img { border-radius: clamp(8px, 1vw, 10px); margin-bottom: clamp(8px, 1vw, 10px); }
    .product-display-name { font-size: clamp(12px, 2vw, 14px); min-height: 2.4em; }
    .product-display-desc { font-size: clamp(11px, 1.5vw, 12px); -webkit-line-clamp: 2; line-clamp: 2; }
    .product-display-price { font-size: clamp(14px, 1.5vw, 16px); }
    .product-display-more,
    .product-add-cart { padding: clamp(5px, 0.8vw, 7px) clamp(8px, 1.2vw, 12px); font-size: clamp(11px, 1.5vw, 12px); border-radius: clamp(6px, 1vw, 10px); }
    .product-actions { gap: clamp(4px, 1vw, 8px); }
    .categories-section {
        width: 100%;
        border-radius: 0;
        padding: clamp(10px, 1.5vw, 16px) 0;
    }
    .categories-container { margin: 0 clamp(8px, 2vw, 12px); }
    .categories-scroll { gap: clamp(8px, 1.5vw, 12px); padding: clamp(8px, 1.2vw, 12px) 0; }
    .category-btn {
        padding: clamp(10px, 1.2vw, 12px) clamp(16px, 2vw, 20px);
        font-size: clamp(11px, 1.8vw, 14px);
        max-width: clamp(100px, 35vw, 150px);
    }
    .category-btn-prev,
    .category-btn-next {
        width: clamp(36px, 8vw, 42px);
        height: clamp(36px, 8vw, 42px);
        min-width: 44px;
        min-height: 44px;
    }
}

@media (max-width: 640px) {
    .flex_title { gap: clamp(10px, 3vw, 16px); margin-top: clamp(20px, 4vw, 28px); }
    .title_line { max-width: clamp(60px, 18vw, 120px); min-width: clamp(30px, 10vw, 60px); }
}

@media (max-width: 480px) {
    .banner-slider { aspect-ratio: auto; }
    .mobile-category-filter::before { font-size: 11px; margin-bottom: 6px; }
    .mobile-category-select { min-height: 46px; border-radius: 12px; font-size: 13px; }
    .product-listing h1 { font-size: clamp(24px, 6vw, 28px); }
    .product-display-section { padding: clamp(8px, 2vw, 12px); }
    .product-display-grid { gap: clamp(6px, 1.5vw, 10px); }
    .product-category-title { font-size: clamp(20px, 5vw, 26px); margin-bottom: clamp(12px, 3vw, 18px); }
    .product-category-title::after { width: clamp(50px, 15vw, 70px); }
    .product-display-card { padding: clamp(8px, 2vw, 12px); border-radius: clamp(8px, 1.5vw, 12px); }
    .product-display-img { border-radius: clamp(6px, 1.2vw, 10px); margin-bottom: clamp(6px, 1.2vw, 8px); }
    .product-display-name { font-size: clamp(11px, 2.5vw, 13px); min-height: 2.2em; }
    .product-display-desc { font-size: clamp(10px, 2vw, 11px); }
    .product-display-price { font-size: clamp(13px, 2vw, 15px); }
    .product-display-more,
    .product-add-cart { padding: clamp(4px, 1vw, 6px) clamp(6px, 1.5vw, 10px); font-size: clamp(10px, 2vw, 11px); border-radius: clamp(6px, 1.2vw, 8px); }
    .product-actions { gap: clamp(4px, 1vw, 6px); }
    .categories-section { padding: clamp(8px, 2vw, 12px) 0; }
    .categories-container { margin: 0 clamp(4px, 1.5vw, 8px); }
    .category-btn {
        padding: clamp(8px, 1.5vw, 10px) clamp(12px, 2.5vw, 16px);
        font-size: clamp(10px, 2.2vw, 12px);
        max-width: clamp(90px, 40vw, 130px);
    }
    .category-btn-prev,
    .category-btn-next {
        width: clamp(32px, 10vw, 40px);
        height: clamp(32px, 10vw, 40px);
        min-width: 44px;
        min-height: 44px;
    }
}

@media (max-width: 425px) {
    .product-listing h1 { font-size: clamp(22px, 5.5vw, 26px); }
    .flex_title { gap: clamp(8px, 2.5vw, 14px); }
}

@media (max-width: 375px) {
    .product-listing h1 { font-size: clamp(20px, 5.2vw, 24px); }
    .product-display-name { font-size: clamp(10px, 2.8vw, 12px); min-height: 2em; }
}

@media (max-width: 360px) {
    .product-display-grid { gap: clamp(4px, 1.2vw, 8px); }
    .product-display-card { padding: clamp(6px, 2vw, 10px); }
    .product-display-name { font-size: clamp(10px, 2.8vw, 12px); min-height: 2em; }
    .product-display-desc { font-size: 10px; }
    .product-display-price { font-size: clamp(12px, 2.2vw, 14px); }
    .product-display-more,
    .product-add-cart { padding: clamp(4px, 1vw, 5px) clamp(5px, 1.5vw, 8px); font-size: clamp(9px, 2.5vw, 10px); }
    .product-category-title { font-size: clamp(18px, 5.5vw, 24px); }
}

@media (max-width: 320px) {
    .product-listing h1 { font-size: 18px; }
    .product-category-title { font-size: clamp(16px, 5vw, 20px); }
}