/* أزرار، عناوين أقسام، كروت — مطابقة المرجع */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0 1.05rem;
    min-height: 44px;
    border-radius: 16px;
    font-weight: 800;
    font-size: var(--fluid-text-sm);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
    transition: transform 0.18s, box-shadow 0.22s, background 0.22s, filter 0.22s, border-color 0.22s;
}

.btn:active {
    transform: translateY(1px);
}

.btn--primary {
    background: linear-gradient(135deg, #7c3aed, #a855f7);
    color: #ffffff;
    box-shadow: var(--glow-accent);
}

.btn--primary:hover {
    background: linear-gradient(135deg, var(--color-accent-hover), var(--accent-glow));
    box-shadow: var(--glow-accent-strong);
    filter: brightness(1.03);
    transform: translateY(-1px) scale(1.02);
}

.btn--ghost {
    background: color-mix(in srgb, var(--bg-glass) 80%, transparent);
    color: var(--text);
    border-color: color-mix(in srgb, var(--gold) 58%, transparent);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.03);
}

.btn--ghost:hover {
    border-color: color-mix(in srgb, var(--gold) 80%, transparent);
    box-shadow: var(--glow-gold);
    transform: translateY(-1px) scale(1.02);
}

.section-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--fluid-gap);
    margin-bottom: 1.25rem;
}

.section-heading__title {
    margin: 0;
    font-size: clamp(1.2rem, 2.6vw, 1.45rem);
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.03em;
}

.section-heading__link {
    font-weight: 800;
    font-size: var(--fluid-text-sm);
    color: var(--accent);
    white-space: nowrap;
    transition: opacity 0.15s;
}

.section-heading__link:hover {
    text-decoration: underline;
    opacity: 0.9;
}

.section-heading__link:focus-visible {
    border-radius: 8px;
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(0.5rem, 0.28rem + 0.8vw, 0.75rem);
    padding: var(--fluid-card-pad) clamp(0.7rem, 0.5rem + 1vw, 0.95rem);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    background:
        linear-gradient(145deg, color-mix(in srgb, var(--bg-elevated) 86%, transparent), color-mix(in srgb, var(--bg-glass) 85%, transparent));
    min-width: clamp(120px, 100px + 8vw, 146px);
    flex: 0 0 auto;
    box-shadow: var(--shadow-card);
    transition: box-shadow 0.22s, transform 0.22s, border-color 0.22s;
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md), var(--glow-accent);
    border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
}

.category-card:focus-visible {
    border-color: var(--accent);
}

.category-card__icon-wrap {
    width: clamp(52px, 46px + 2.1vw, 64px);
    height: clamp(52px, 46px + 2.1vw, 64px);
    border-radius: 20px;
    display: grid;
    place-items: center;
    background: color-mix(in srgb, var(--accent) 12%, var(--bg-glass));
    border: 1px solid color-mix(in srgb, var(--accent) 20%, transparent);
}

.category-card--blue .category-card__icon-wrap {
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.35);
}
.category-card--purple .category-card__icon-wrap {
    box-shadow: 0 0 20px rgba(124, 58, 237, 0.35);
}
.category-card--green .category-card__icon-wrap {
    box-shadow: 0 0 20px rgba(34, 197, 94, 0.35);
}
.category-card--orange .category-card__icon-wrap {
    box-shadow: 0 0 20px rgba(249, 115, 22, 0.35);
}
.category-card--cyan .category-card__icon-wrap {
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.35);
}

.category-card__icon {
    width: clamp(30px, 26px + 1.4vw, 40px);
    height: clamp(30px, 26px + 1.4vw, 40px);
}

.category-card__label {
    font-weight: 800;
    font-size: var(--fluid-text-sm);
    text-align: center;
    line-height: 1.35;
    color: var(--text);
}

.product-card {
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    background: var(--bg-glass);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-card);
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md), var(--glow-accent), 0 0 0 1px color-mix(in srgb, var(--accent) 25%, transparent);
}

.product-card__link {
    display: block;
    color: inherit;
}

.product-card__link:focus-visible {
    border-radius: var(--radius-xl);
}

.product-card__discount {
    position: absolute;
    top: 12px;
    inset-inline-end: 12px;
    z-index: 3;
    background: var(--danger);
    color: #fff;
    font-weight: 800;
    font-size: var(--fluid-text-xs);
    padding: 0.3rem 0.5rem;
    border-radius: var(--radius-sm);
    box-shadow: 0 0 16px rgba(239, 68, 68, 0.55);
}

/* منطقة الصورة — خلفية سوداء (#000) كما في المرجع */
.product-card__media {
    aspect-ratio: 1;
    display: grid;
    place-items: center;
    padding: clamp(0.8rem, 0.5rem + 1.4vw, 1.35rem);
    background:
        radial-gradient(circle at 50% 18%, color-mix(in srgb, var(--accent) 24%, transparent), transparent 38%),
        var(--product-media-bg);
    position: relative;
}

.product-card--glow-yellow .product-card__media {
    box-shadow: inset 0 0 50px rgba(234, 179, 8, 0.12);
}
.product-card--glow-blue .product-card__media {
    box-shadow: inset 0 0 50px rgba(37, 99, 235, 0.15);
}
.product-card--glow-green .product-card__media {
    box-shadow: inset 0 0 50px rgba(34, 197, 94, 0.12);
}
.product-card--glow-red .product-card__media {
    box-shadow: inset 0 0 50px rgba(239, 68, 68, 0.12);
}
.product-card--glow-multi .product-card__media {
    box-shadow: inset 0 0 40px rgba(99, 102, 241, 0.1), inset 0 0 50px rgba(34, 197, 94, 0.08);
}

.product-card__img {
    width: min(180px, 78%);
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 10px 28px rgba(0, 0, 0, 0.45));
}

.product-card__body {
    padding: clamp(0.8rem, 0.55rem + 0.9vw, 1rem) clamp(0.85rem, 0.6rem + 1vw, 1.1rem) clamp(0.95rem, 0.7rem + 0.9vw, 1.15rem);
    border-top: 1px solid var(--border);
    background: color-mix(in srgb, var(--bg-elevated) 82%, transparent);
}

.product-card__title {
    margin: 0;
    font-size: var(--fluid-text-md);
    font-weight: 800;
    color: var(--text);
}

.product-card__desc {
    margin: 0.3rem 0 0.7rem;
    font-size: var(--fluid-text-sm);
    color: var(--text-muted);
    font-weight: 500;
}

.product-card__prices {
    display: flex;
    align-items: baseline;
    gap: 0.55rem;
    flex-wrap: wrap;
}

.product-card__price {
    font-weight: 800;
    color: var(--gold);
    font-size: var(--fluid-text-lg);
}

.product-card__old {
    font-size: var(--fluid-text-sm);
    color: var(--text-muted);
    text-decoration: line-through;
    font-weight: 500;
}

.offer-card {
    position: relative;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    background: var(--bg-glass);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: box-shadow 0.2s, transform 0.2s;
}

.offer-card:hover {
    box-shadow: var(--shadow-md), var(--glow-accent);
    transform: translateY(-2px);
}

.offer-card__glow {
    position: absolute;
    inset: -45%;
    background: radial-gradient(circle at 28% 18%, rgba(79, 70, 229, 0.28), transparent 55%),
        radial-gradient(circle at 78% 62%, rgba(219, 39, 119, 0.18), transparent 52%);
    pointer-events: none;
}

.offer-card__content {
    position: relative;
    padding: clamp(1rem, 0.65rem + 1.6vw, 1.65rem);
    z-index: 1;
}

.offer-card__badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 800;
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-pill);
    background: var(--accent-soft);
    color: var(--accent);
    margin-bottom: 0.85rem;
}

.offer-card__title {
    margin: 0 0 0.55rem;
    font-size: clamp(1.2rem, 2.5vw, 1.55rem);
    font-weight: 800;
    line-height: 1.35;
    color: var(--text);
}

.offer-card__title--sm {
    font-size: var(--fluid-text-lg);
    margin-bottom: 0.4rem;
}

.offer-card__text {
    margin: 0 0 1.1rem;
    color: var(--text-muted);
    font-weight: 500;
    max-width: 48ch;
}

.offer-card__percent {
    font-size: clamp(1.3rem, 1rem + 1.8vw, 1.85rem);
    font-weight: 900;
    color: var(--danger);
    text-shadow: 0 0 20px rgba(239, 68, 68, 0.4);
}

.offer-card__link {
    font-weight: 800;
    color: var(--accent);
}

.offer-card__link:hover {
    text-decoration: underline;
}

.offer-card__link:focus-visible {
    border-radius: 8px;
}

.offer-card--small {
    min-height: 128px;
    display: flex;
    align-items: center;
}

.offer-card--accent {
    background: linear-gradient(145deg, color-mix(in srgb, var(--bg-elevated) 88%, #312e81), var(--bg-elevated));
}

html.dark .offer-card--accent {
    background: linear-gradient(145deg, #1a1740, #151921);
}

/* Micro-interactions أخف على الأجهزة اللمسية */
@media (hover: none), (pointer: coarse) {
    .btn:active {
        transform: none;
    }

    .category-card:hover,
    .product-card:hover,
    .offer-card:hover {
        transform: none;
        box-shadow: var(--shadow-card);
        border-color: var(--border);
    }

    .btn--primary:hover {
        filter: none;
        box-shadow: var(--glow-accent);
    }
}