/* ============================================================
   خوارزميات — صفحة الخدمة المفردة (service.show) بالهوية الجديدة
   معرض صور + بطاقة شراء لاصقة + تبويبات محتوى
   ============================================================ */

.khw-sp {
    padding: 66px 0 100px;
    background:
        radial-gradient(ellipse 50% 45% at 92% 5%, rgba(46, 185, 126, 0.06) 0%, transparent 60%),
        linear-gradient(180deg, #f6faf7 0%, #fbfdfb 100%);
    direction: rtl;
    position: relative;
}

.khw-sp__inner { position: relative; z-index: 2; }

/* شبكة الأعلى: معرض + بطاقة شراء */
.khw-sp__top {
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: 34px;
    align-items: start;
    margin-bottom: 50px;
}

@media (max-width: 991px) {
    .khw-sp__top { grid-template-columns: 1fr; gap: 26px; }
}

/* ---------- المعرض ---------- */
.khw-sp__gallery { position: relative; }

.khw-sp__stage {
    position: relative;
    border-radius: 22px;
    overflow: hidden;
    background: #fff;
    border: 1px solid rgba(22, 50, 79, 0.09);
    box-shadow: 0 2px 6px rgba(22, 50, 79, 0.05), 0 20px 44px -22px rgba(22, 50, 79, 0.2);
}

.khw-sp__stage .carousel,
.khw-sp__stage .carousel-inner { border-radius: 22px; }

.khw-sp__stage .carousel-item img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: contain;
    background: #eef6f0;
    display: block;
}

/* أزرار التنقل الدائرية */
.khw-sp__stage .carousel-control-prev,
.khw-sp__stage .carousel-control-next {
    width: 48px;
    height: 48px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(46, 185, 126, 0.3);
    border-radius: 50%;
    opacity: 1;
    box-shadow: 0 8px 20px -8px rgba(6, 35, 26, 0.4);
    transition: background 0.3s ease, transform 0.3s ease;
}

.khw-sp__stage .carousel-control-prev { right: 16px; left: auto; }
.khw-sp__stage .carousel-control-next { left: 16px; right: auto; }

.khw-sp__stage .carousel-control-prev:hover,
.khw-sp__stage .carousel-control-next:hover {
    background: var(--khw-green, #2eb97e);
    transform: translateY(-50%) scale(1.06);
}

.khw-sp__stage .carousel-control-prev-icon,
.khw-sp__stage .carousel-control-next-icon {
    width: 18px;
    height: 18px;
    filter: invert(18%) sepia(24%) saturate(1200%) hue-rotate(120deg);
}

.khw-sp__stage .carousel-control-prev:hover .carousel-control-prev-icon,
.khw-sp__stage .carousel-control-next:hover .carousel-control-next-icon { filter: invert(1); }

/* المصغّرات */
.khw-sp__thumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 14px;
}

.khw-sp__thumbs img {
    width: 74px;
    height: 74px;
    object-fit: cover;
    border-radius: 12px;
    border: 2px solid rgba(22, 50, 79, 0.12);
    cursor: pointer;
    transition: border-color 0.3s ease, transform 0.3s ease;
}

.khw-sp__thumbs img:hover { border-color: var(--khw-green, #2eb97e); transform: translateY(-2px); }
.khw-sp__thumbs img.is-active { border-color: var(--khw-green, #2eb97e); box-shadow: 0 0 0 3px rgba(46, 185, 126, 0.18); }

/* ---------- بطاقة الشراء ---------- */
.khw-sp__buy {
    position: sticky;
    top: 92px;
    background: #fff;
    border: 1px solid rgba(22, 50, 79, 0.09);
    border-radius: 22px;
    padding: 28px 28px 26px;
    box-shadow: 0 2px 6px rgba(22, 50, 79, 0.05), 0 20px 44px -22px rgba(22, 50, 79, 0.2);
}

@media (max-width: 991px) {
    .khw-sp__buy { position: static; }
}

.khw-sp__buy-title {
    font-family: "Tajawal", sans-serif;
    font-size: 21px;
    font-weight: 800;
    color: var(--khw-navy, #16324f);
    line-height: 1.5;
    margin: 0 0 16px;
}

/* السعر */
.khw-sp__price {
    display: flex;
    align-items: baseline;
    gap: 8px;
    flex-wrap: wrap;
    padding: 16px 0;
    border-top: 1px dashed rgba(22, 50, 79, 0.15);
    border-bottom: 1px dashed rgba(22, 50, 79, 0.15);
    margin-bottom: 20px;
}

.khw-sp__price-from {
    font-family: "Tajawal", sans-serif;
    font-size: 13px;
    font-weight: 700;
    color: #8aa0ac;
    background: rgba(46, 185, 126, 0.1);
    border-radius: 999px;
    padding: 4px 12px;
}

.khw-sp__price-num {
    font-family: "Tajawal", sans-serif;
    font-size: 40px;
    font-weight: 800;
    line-height: 1;
    color: #157f52;
}

.khw-sp__price-cur { font-family: "Tajawal", sans-serif; font-size: 17px; font-weight: 700; color: var(--khw-navy, #16324f); }

/* عناوين الخيارات */
.khw-sp__opt-title {
    font-family: "Tajawal", sans-serif;
    font-size: 16px;
    font-weight: 800;
    color: var(--khw-navy, #16324f);
    margin: 0 0 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.khw-sp__opt-title i { color: var(--khw-green, #2eb97e); font-size: 14px; }

/* خيار (راديو/تشيك) كصفّ أنيق */
.khw-sp__opt {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 13px 14px;
    border: 1.5px solid rgba(22, 50, 79, 0.12);
    border-radius: 14px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: border-color 0.25s ease, background 0.25s ease;
}

.khw-sp__opt:hover { border-color: rgba(46, 185, 126, 0.5); background: rgba(46, 185, 126, 0.03); }

.khw-sp__opt input { accent-color: var(--khw-green, #2eb97e); width: 18px; height: 18px; margin-top: 2px; flex: 0 0 auto; cursor: pointer; }

.khw-sp__opt-body { flex: 1; }

.khw-sp__opt-label {
    font-family: "Tajawal", sans-serif;
    font-size: 15.5px;
    font-weight: 700;
    color: var(--khw-navy, #16324f);
    display: block;
}

.khw-sp__opt-hint {
    font-family: "Tajawal", sans-serif;
    font-size: 13px;
    color: #8aa0ac;
    margin: 3px 0 0;
    line-height: 1.6;
}

.khw-sp__opt:has(input:checked) { border-color: var(--khw-green, #2eb97e); background: rgba(46, 185, 126, 0.06); }

.khw-sp__group { margin-bottom: 22px; }

/* أزرار الشراء والمشاركة */
.khw-sp__add {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    font-family: "Tajawal", sans-serif;
    font-size: 17px;
    font-weight: 800;
    color: #06231a;
    background: linear-gradient(135deg, #7fe3b0 0%, #2eb97e 55%);
    border: none;
    border-radius: 14px;
    padding: 16px;
    cursor: pointer;
    box-shadow: 0 12px 28px rgba(46, 185, 126, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.3);
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.3s ease;
}

.khw-sp__add:hover { transform: translateY(-3px); box-shadow: 0 18px 38px rgba(46, 185, 126, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.35); }
.khw-sp__add i { transition: transform 0.3s ease; }
.khw-sp__add:hover i { transform: translateX(-5px); }

.khw-sp__share {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    margin-top: 12px;
    font-family: "Tajawal", sans-serif;
    font-size: 15.5px;
    font-weight: 700;
    color: var(--khw-navy, #16324f);
    background: #fff;
    border: 1.6px solid rgba(22, 50, 79, 0.16);
    border-radius: 14px;
    padding: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.khw-sp__share:hover { border-color: var(--khw-navy, #16324f); background: var(--khw-navy, #16324f); color: #fff; }

.khw-sp__soon {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    justify-content: center;
    font-family: "Tajawal", sans-serif;
    font-size: 16px;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, #ffb56b, #f28c38);
    border-radius: 14px;
    padding: 16px;
    margin-bottom: 12px;
}

/* شارات الثقة */
.khw-sp__trust {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px solid rgba(22, 50, 79, 0.08);
}

.khw-sp__trust span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-family: "Tajawal", sans-serif;
    font-size: 13px;
    font-weight: 600;
    color: #52666f;
}

.khw-sp__trust i { color: var(--khw-green, #2eb97e); font-size: 13px; }

/* ---------- التبويبات ---------- */
.khw-sp__tabs-wrap {
    background: #fff;
    border: 1px solid rgba(22, 50, 79, 0.09);
    border-radius: 22px;
    padding: 8px;
    box-shadow: 0 2px 6px rgba(22, 50, 79, 0.05), 0 18px 40px -24px rgba(22, 50, 79, 0.18);
}

.khw-sp__tabs {
    display: flex;
    gap: 6px;
    padding: 8px;
    border-bottom: 1px solid rgba(22, 50, 79, 0.08);
    list-style: none;
    margin: 0;
}

.khw-sp__tabs .nav-link {
    font-family: "Tajawal", sans-serif;
    font-size: 16px;
    font-weight: 700;
    color: #52666f;
    border: none;
    border-radius: 12px;
    padding: 11px 24px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.khw-sp__tabs .nav-link:hover { color: #157f52; background: rgba(46, 185, 126, 0.06); }

.khw-sp__tabs .nav-link.active {
    color: #fff;
    background: linear-gradient(135deg, #7fe3b0 0%, #2eb97e 55%);
    box-shadow: 0 8px 18px rgba(46, 185, 126, 0.3);
}

.khw-sp__tab-content { padding: 26px 24px 22px; }

.khw-sp__tab-content,
.khw-sp__tab-content :is(p, li, span, div) {
    font-family: "Tajawal", sans-serif;
    font-size: 16.5px;
    line-height: 1.95;
    color: #45585f;
}

.khw-sp__tab-content :is(h1, h2, h3, h4) { color: var(--khw-navy, #16324f); font-weight: 800; }
.khw-sp__tab-content img { max-width: 100%; height: auto; border-radius: 12px; }
.khw-sp__tab-content strong { color: var(--khw-navy, #16324f); }
.khw-sp__tab-content:empty::before,
.khw-sp__tab-empty { color: #8aa0ac; font-family: "Tajawal", sans-serif; }

/* ---------- التقييم (rating) ---------- */
.khw-sp .feedback { margin-top: 40px; }

@media (max-width: 575px) {
    .khw-sp { padding: 50px 0 72px; }
    .khw-sp__buy { padding: 22px; }
    .khw-sp__price-num { font-size: 34px; }
    .khw-sp__tabs .nav-link { padding: 10px 16px; font-size: 15px; }
    .khw-sp__tab-content { padding: 20px 16px; }
}

@media (prefers-reduced-motion: reduce) {
    .khw-sp__add, .khw-sp__share, .khw-sp__opt, .khw-sp__thumbs img,
    .khw-sp__stage .carousel-control-prev, .khw-sp__stage .carousel-control-next { transition: none !important; }
}