/* File: public/css/portfolio.css */

/* ===========================
   CSS CUSTOM PROPERTIES
=========================== */
:root {
    --sp-primary: #f59e0b;
    --sp-primary-dark: #d97706;
    --sp-primary-light: #fef3c7;
    --sp-secondary: #1e3a5f;
    --sp-secondary-dark: #152b47;
    --sp-accent: #10b981;
    --sp-whatsapp: #25D366;
    --sp-whatsapp-dark: #128C7E;

    --sp-text-primary: #1f2937;
    --sp-text-secondary: #6b7280;
    --sp-text-light: #9ca3af;
    --sp-bg-white: #ffffff;
    --sp-bg-light: #f9fafb;
    --sp-bg-card: #ffffff;
    --sp-border: #e5e7eb;
    --sp-border-light: #f3f4f6;

    --sp-shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);
    --sp-shadow: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);
    --sp-shadow-md: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);
    --sp-shadow-lg: 0 20px 25px -5px rgba(0,0,0,.1), 0 10px 10px -5px rgba(0,0,0,.04);
    --sp-shadow-xl: 0 25px 50px -12px rgba(0,0,0,.25);

    --sp-radius-sm: 6px;
    --sp-radius: 12px;
    --sp-radius-lg: 16px;
    --sp-radius-xl: 24px;
    --sp-radius-full: 9999px;

    --sp-transition: 0.25s cubic-bezier(0.4,0,0.2,1);
    --sp-transition-slow: 0.4s cubic-bezier(0.4,0,0.2,1);

    --sp-font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Inter', sans-serif;
}

/* ===========================
   PORTFOLIO WRAPPER
=========================== */
.sp-portfolio-wrap {
    font-family: var(--sp-font-sans);
    color: var(--sp-text-primary);
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 16px;
}

/* ===========================
   SECTION HEADER
=========================== */
.sp-section-header {
    text-align: center;
    margin-bottom: 48px;
}

.sp-section-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    color: var(--sp-secondary);
    margin: 0 0 12px;
    letter-spacing: -0.5px;
}

.sp-title-line {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--sp-primary), var(--sp-accent));
    border-radius: var(--sp-radius-full);
    margin: 0 auto;
}

/* ===========================
   CONTROLS BAR
=========================== */
.sp-controls-bar {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    align-items: center;
    flex-wrap: wrap;
}

.sp-search-wrap {
    flex: 1;
    min-width: 240px;
    position: relative;
}

.sp-search-input-wrap {
    position: relative;
}

.sp-search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--sp-text-light);
    font-size: 14px;
    pointer-events: none;
    z-index: 1;
}

.sp-search-input {
    width: 100%;
    padding: 12px 16px 12px 42px;
    border: 2px solid var(--sp-border);
    border-radius: var(--sp-radius-full);
    font-size: 14px;
    color: var(--sp-text-primary);
    background: var(--sp-bg-white);
    transition: all var(--sp-transition);
    box-sizing: border-box;
    outline: none;
}

.sp-search-input:focus {
    border-color: var(--sp-primary);
    box-shadow: 0 0 0 4px rgba(245,158,11,0.15);
}

.sp-search-results {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--sp-bg-white);
    border: 1px solid var(--sp-border);
    border-radius: var(--sp-radius);
    box-shadow: var(--sp-shadow-lg);
    z-index: 1000;
    overflow: hidden;
    display: none;
}

.sp-search-result-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    text-decoration: none;
    color: var(--sp-text-primary);
    border-bottom: 1px solid var(--sp-border-light);
    transition: background var(--sp-transition);
}

.sp-search-result-item:hover {
    background: var(--sp-bg-light);
}

.sp-search-result-item:last-child {
    border-bottom: none;
}

.sp-search-result-img {
    width: 44px;
    height: 44px;
    object-fit: cover;
    border-radius: var(--sp-radius-sm);
    flex-shrink: 0;
}

.sp-search-result-title {
    font-weight: 600;
    font-size: 14px;
    margin-bottom: 2px;
}

.sp-search-result-excerpt {
    font-size: 12px;
    color: var(--sp-text-secondary);
}

.sp-sort-wrap select {
    padding: 11px 36px 11px 16px;
    border: 2px solid var(--sp-border);
    border-radius: var(--sp-radius-full);
    font-size: 14px;
    color: var(--sp-text-primary);
    background: var(--sp-bg-white);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    transition: all var(--sp-transition);
    outline: none;
}

.sp-sort-wrap select:focus {
    border-color: var(--sp-primary);
    box-shadow: 0 0 0 4px rgba(245,158,11,0.15);
}

/* ===========================
   FILTER BAR
=========================== */
.sp-filter-bar {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
    flex-wrap: wrap;
    align-items: center;
}

.sp-filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    border: 2px solid var(--sp-border);
    border-radius: var(--sp-radius-full);
    background: var(--sp-bg-white);
    color: var(--sp-text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--sp-transition);
    position: relative;
    white-space: nowrap;
}

.sp-filter-btn:hover {
    border-color: var(--sp-primary);
    color: var(--sp-primary);
    transform: translateY(-1px);
}

.sp-filter-btn.active {
    background: var(--sp-primary);
    border-color: var(--sp-primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(245,158,11,0.35);
    transform: translateY(-1px);
}

.sp-filter-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: rgba(255,255,255,0.25);
    border-radius: var(--sp-radius-full);
    font-size: 11px;
    font-weight: 700;
    line-height: 1;
}

.sp-filter-btn:not(.active) .sp-filter-count {
    background: var(--sp-border);
    color: var(--sp-text-secondary);
}

/* ===========================
   PRODUCT GRID
=========================== */
.sp-products-grid {
    display: grid;
    gap: 24px;
}

.sp-cols-1 { grid-template-columns: 1fr; }
.sp-cols-2 { grid-template-columns: repeat(2, 1fr); }
.sp-cols-3 { grid-template-columns: repeat(3, 1fr); }
.sp-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* ===========================
   PRODUCT CARD
=========================== */
.sp-product-card {
    position: relative;
}

.sp-card-inner {
    background: var(--sp-bg-card);
    border-radius: var(--sp-radius-lg);
    overflow: hidden;
    box-shadow: var(--sp-shadow-sm);
    border: 1px solid var(--sp-border-light);
    transition: all var(--sp-transition-slow);
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
}

.sp-card-inner:hover {
    transform: translateY(-6px);
    box-shadow: var(--sp-shadow-xl);
    border-color: transparent;
}

/* Badges */
.sp-badges {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 10;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.sp-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: var(--sp-radius-full);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    backdrop-filter: blur(8px);
}

.sp-badge-featured {
    background: linear-gradient(135deg, #f59e0b, #ef4444);
    color: #fff;
    box-shadow: 0 2px 8px rgba(245,158,11,0.4);
}

.sp-badge-new {
    background: linear-gradient(135deg, #3b82f6, #6366f1);
    color: #fff;
    box-shadow: 0 2px 8px rgba(59,130,246,0.4);
}

.sp-badge-popular {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #fff;
    box-shadow: 0 2px 8px rgba(16,185,129,0.4);
}

/* Card Image */
.sp-card-image-wrap {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
    background: var(--sp-bg-light);
}

.sp-card-image-link {
    display: block;
    width: 100%;
    height: 100%;
}

.sp-card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--sp-transition-slow);
}

.sp-card-inner:hover .sp-card-image {
    transform: scale(1.07);
}

.sp-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(30,58,95,0.75), rgba(245,158,11,0.5));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--sp-transition);
}

.sp-card-inner:hover .sp-image-overlay {
    opacity: 1;
}

.sp-view-details {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255,255,255,0.95);
    color: var(--sp-secondary);
    border-radius: var(--sp-radius-full);
    font-size: 13px;
    font-weight: 600;
    transform: translateY(8px);
    transition: transform var(--sp-transition);
    backdrop-filter: blur(8px);
}

.sp-card-inner:hover .sp-view-details {
    transform: translateY(0);
}

/* Availability */
.sp-availability {
    position: absolute;
    bottom: 10px;
    right: 10px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: var(--sp-radius-full);
    font-size: 11px;
    font-weight: 600;
    backdrop-filter: blur(12px);
}

.sp-avail-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    animation: sp-pulse 2s infinite;
}

@keyframes sp-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.sp-avail-green  { background: rgba(16,185,129,0.15); color: #065f46; border: 1px solid rgba(16,185,129,0.3); }
.sp-avail-green .sp-avail-dot { background: #10b981; }
.sp-avail-amber  { background: rgba(245,158,11,0.15); color: #92400e; border: 1px solid rgba(245,158,11,0.3); }
.sp-avail-amber .sp-avail-dot { background: #f59e0b; }
.sp-avail-blue   { background: rgba(59,130,246,0.15); color: #1e40af; border: 1px solid rgba(59,130,246,0.3); }
.sp-avail-blue .sp-avail-dot { background: #3b82f6; }
.sp-avail-red    { background: rgba(239,68,68,0.15); color: #991b1b; border: 1px solid rgba(239,68,68,0.3); }
.sp-avail-red .sp-avail-dot { background: #ef4444; }

/* Card Content */
.sp-card-content {
    padding: 20px 20px 0;
    flex: 1;
}

.sp-card-cats {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.sp-cat-pill {
    padding: 2px 10px;
    background: var(--sp-primary-light);
    color: var(--sp-primary-dark);
    border-radius: var(--sp-radius-full);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sp-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin: 0 0 14px;
    line-height: 1.4;
}

.sp-card-title a {
    color: var(--sp-secondary);
    text-decoration: none;
    transition: color var(--sp-transition);
}

.sp-card-title a:hover {
    color: var(--sp-primary);
}

/* Specs Grid */
.sp-specs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 14px;
    padding: 14px;
    background: var(--sp-bg-light);
    border-radius: var(--sp-radius);
}

.sp-spec-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.sp-spec-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--sp-primary-light);
    color: var(--sp-primary-dark);
    border-radius: var(--sp-radius-sm);
    font-size: 12px;
    flex-shrink: 0;
    margin-top: 1px;
}

.sp-spec-data {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.sp-spec-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--sp-text-light);
    font-weight: 600;
}

.sp-spec-value {
    font-size: 13px;
    font-weight: 700;
    color: var(--sp-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Excerpt */
.sp-card-excerpt {
    font-size: 13.5px;
    color: var(--sp-text-secondary);
    line-height: 1.6;
    margin: 0 0 14px;
}

/* Features List */
.sp-features-list {
    list-style: none;
    margin: 0 0 16px;
    padding: 0;
}

.sp-features-list li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 13px;
    color: var(--sp-text-secondary);
    margin-bottom: 6px;
    line-height: 1.4;
}

.sp-features-list li .fa-check-circle {
    color: var(--sp-accent);
    flex-shrink: 0;
    margin-top: 2px;
    font-size: 12px;
}

/* Card Footer */
.sp-card-footer {
    padding: 16px 20px 20px;
    border-top: 1px solid var(--sp-border-light);
    margin-top: auto;
}

.sp-inquiry-count {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--sp-whatsapp-dark);
    font-weight: 500;
    margin-bottom: 12px;
}

.sp-inquiry-count .fab {
    font-size: 14px;
    color: var(--sp-whatsapp);
}

.sp-card-actions {
    display: flex;
    gap: 8px;
}

/* Buttons */
.sp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 16px;
    border-radius: var(--sp-radius);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--sp-transition);
    border: none;
    white-space: nowrap;
    flex: 1;
}

.sp-btn-outline {
    background: transparent;
    color: var(--sp-secondary);
    border: 2px solid var(--sp-border);
}

.sp-btn-outline:hover {
    border-color: var(--sp-secondary);
    background: var(--sp-secondary);
    color: #fff;
    text-decoration: none;
}

.sp-btn-whatsapp {
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: #fff;
    box-shadow: 0 4px 12px rgba(37,211,102,0.35);
}

.sp-btn-whatsapp:hover {
    background: linear-gradient(135deg, #20ba58, #0d7068);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37,211,102,0.45);
    color: #fff;
    text-decoration: none;
}

.sp-btn-whatsapp:active {
    transform: translateY(0);
}

/* Standalone WhatsApp button */
.sp-whatsapp-btn-standalone {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: #fff;
    border-radius: var(--sp-radius-full);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--sp-transition);
    box-shadow: 0 4px 15px rgba(37,211,102,0.35);
}

.sp-whatsapp-btn-standalone:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37,211,102,0.45);
    color: #fff;
    text-decoration: none;
}

/* ===========================
   NO PRODUCTS
=========================== */
.sp-no-products {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 20px;
    color: var(--sp-text-light);
}

.sp-no-products i {
    font-size: 4rem;
    margin-bottom: 16px;
    display: block;
    opacity: 0.3;
}

.sp-no-products p {
    font-size: 1.1rem;
    margin: 0;
}

/* ===========================
   LOAD MORE
=========================== */
.sp-load-more-wrap {
    text-align: center;
    padding: 40px 0 20px;
}

.sp-load-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 36px;
    background: transparent;
    border: 2px solid var(--sp-primary);
    color: var(--sp-primary);
    border-radius: var(--sp-radius-full);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--sp-transition);
}

.sp-load-more-btn:hover {
    background: var(--sp-primary);
    color: #fff;
    box-shadow: 0 6px 20px rgba(245,158,11,0.35);
    transform: translateY(-2px);
}

/* ===========================
   SINGLE PRODUCT PAGE
=========================== */
.sp-single-product {
    font-family: var(--sp-font-sans);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}

.sp-product-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    margin-bottom: 64px;
    align-items: start;
}

.sp-product-gallery {
    position: sticky;
    top: 24px;
}

.sp-gallery-main {
    border-radius: var(--sp-radius-xl);
    overflow: hidden;
    background: var(--sp-bg-light);
    aspect-ratio: 4/3;
    margin-bottom: 16px;
}

.sp-gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sp-gallery-thumbs {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.sp-gallery-thumb {
    width: 72px;
    height: 72px;
    border-radius: var(--sp-radius);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color var(--sp-transition);
}

.sp-gallery-thumb.active,
.sp-gallery-thumb:hover {
    border-color: var(--sp-primary);
}

.sp-gallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sp-product-info-panel {
    padding: 8px 0;
}

.sp-product-cats-bar {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.sp-product-title {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 800;
    color: var(--sp-secondary);
    margin: 0 0 20px;
    line-height: 1.2;
}

.sp-product-meta-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 28px;
}

.sp-product-meta-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--sp-bg-light);
    border-radius: var(--sp-radius);
    border: 1px solid var(--sp-border-light);
}

.sp-product-meta-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--sp-primary), var(--sp-primary-dark));
    color: #fff;
    border-radius: var(--sp-radius);
    font-size: 16px;
    flex-shrink: 0;
}

.sp-product-meta-label {
    display: block;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--sp-text-light);
    font-weight: 600;
    margin-bottom: 2px;
}

.sp-product-meta-value {
    display: block;
    font-size: 15px;
    font-weight: 700;
    color: var(--sp-text-primary);
}

.sp-product-description {
    font-size: 15px;
    line-height: 1.7;
    color: var(--sp-text-secondary);
    margin-bottom: 28px;
}

.sp-product-features-box {
    background: linear-gradient(135deg, var(--sp-secondary), var(--sp-secondary-dark));
    color: #fff;
    padding: 24px;
    border-radius: var(--sp-radius-lg);
    margin-bottom: 28px;
}

.sp-product-features-box h4 {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 16px;
    color: var(--sp-primary);
}

.sp-product-features-box ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.sp-product-features-box ul li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 13px;
    line-height: 1.5;
    opacity: 0.9;
}

.sp-product-features-box ul li i {
    color: var(--sp-accent);
    flex-shrink: 0;
    margin-top: 2px;
}

.sp-product-cta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.sp-product-cta .sp-btn {
    flex: 1;
    min-width: 160px;
    padding: 14px 24px;
    font-size: 15px;
    border-radius: var(--sp-radius-lg);
}

.sp-product-cta .sp-btn-whatsapp {
    font-size: 16px;
}

/* ===========================
   ANIMATIONS
=========================== */
@keyframes sp-fade-in-up {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.sp-product-card {
    animation: sp-fade-in-up 0.4s ease both;
}

.sp-product-card:nth-child(1) { animation-delay: 0.05s; }
.sp-product-card:nth-child(2) { animation-delay: 0.10s; }
.sp-product-card:nth-child(3) { animation-delay: 0.15s; }
.sp-product-card:nth-child(4) { animation-delay: 0.20s; }
.sp-product-card:nth-child(5) { animation-delay: 0.25s; }
.sp-product-card:nth-child(6) { animation-delay: 0.30s; }

/* ===========================
   FLOATING WHATSAPP BUTTON
=========================== */
.sp-floating-whatsapp {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 9999;
}

.sp-floating-wa-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 58px;
    height: 58px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: #fff;
    border-radius: 50%;
    text-decoration: none;
    font-size: 24px;
    box-shadow: 0 4px 20px rgba(37,211,102,0.5);
    transition: all var(--sp-transition);
    position: relative;
}

.sp-floating-wa-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 28px rgba(37,211,102,0.6);
    color: #fff;
}

.sp-floating-wa-btn::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: rgba(37,211,102,0.2);
    animation: sp-wa-ripple 2s infinite;
}

@keyframes sp-wa-ripple {
    0%   { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

/* ===========================
   RESPONSIVE
=========================== */
@media (max-width: 1200px) {
    .sp-cols-4 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 1024px) {
    .sp-product-hero { grid-template-columns: 1fr; gap: 32px; }
    .sp-product-gallery { position: static; }
    .sp-cols-3 { grid-template-columns: repeat(2, 1fr); }
    .sp-cols-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .sp-controls-bar { flex-direction: column; align-items: stretch; }
    .sp-search-wrap { min-width: unset; }
    .sp-sort-wrap select { width: 100%; }
    .sp-filter-bar { gap: 6px; }
    .sp-filter-btn { padding: 7px 14px; font-size: 13px; }
    .sp-cols-2,
    .sp-cols-3,
    .sp-cols-4 { grid-template-columns: repeat(2, 1fr); }
    .sp-specs-grid { grid-template-columns: 1fr; }
    .sp-product-features-box ul { grid-template-columns: 1fr; }
    .sp-product-meta-grid { grid-template-columns: 1fr; }
}

@media (max-width: 540px) {
    .sp-cols-2,
    .sp-cols-3,
    .sp-cols-4 { grid-template-columns: 1fr; }
    .sp-card-actions { flex-direction: column; }
    .sp-product-cta { flex-direction: column; }
    .sp-floating-whatsapp { bottom: 16px; right: 16px; }
}

@media (max-width: 380px) {
    .sp-card-content { padding: 14px 14px 0; }
    .sp-card-footer { padding: 12px 14px 16px; }
}


/* ===========================
   MODERN SINGLE PRODUCT PAGE
=========================== */
.sp-modern-layout {
    font-family: var(--sp-font-sans);
    padding: 20px 0 60px;
}

.sp-modern-breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--sp-text-secondary);
    margin-bottom: 40px;
}

.sp-modern-breadcrumb a {
    color: var(--sp-text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.sp-modern-breadcrumb a:hover {
    color: var(--sp-primary);
}

.sp-modern-breadcrumb .sp-divider {
    font-size: 10px;
    opacity: 0.5;
}

.sp-modern-breadcrumb .sp-current {
    font-weight: 600;
    color: var(--sp-secondary);
}

.sp-modern-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

/* Gallery styling */
.sp-modern-gallery-wrapper {
    position: sticky;
    top: 30px;
}

.sp-modern-gallery-main {
    position: relative;
    border-radius: var(--sp-radius-xl);
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    background: #fff;
    aspect-ratio: 4/3;
    margin-bottom: 20px;
}

.sp-main-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.4s ease;
}

.sp-modern-gallery-main:hover .sp-main-img {
    transform: scale(1.03);
}

.sp-modern-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 10;
    padding: 6px 14px;
    border-radius: var(--sp-radius-full);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    display: flex;
    align-items: center;
    gap: 6px;
}

.sp-badge-new {
    color: #fff;
    background: linear-gradient(135deg, #10b981, #059669);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.sp-modern-gallery-thumbs {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 15px;
}

.sp-modern-thumb {
    border-radius: var(--sp-radius);
    overflow: hidden;
    aspect-ratio: 1;
    cursor: pointer;
    border: 2px solid transparent;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.sp-modern-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sp-modern-thumb:hover, .sp-modern-thumb.active {
    opacity: 1;
    border-color: var(--sp-primary);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Info Panel */
.sp-modern-info-panel {
    animation: sp-fade-in-up 0.6s ease-out forwards;
}

.sp-modern-cats {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.sp-modern-cat-tag {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--sp-primary);
    background: var(--sp-primary-light);
    padding: 4px 12px;
    border-radius: var(--sp-radius-full);
    text-decoration: none;
    letter-spacing: 0.5px;
}

.sp-modern-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.1;
    color: var(--sp-secondary);
    margin: 0 0 10px 0;
    letter-spacing: -1px;
}

.sp-modern-brand {
    font-size: 16px;
    color: var(--sp-text-light);
    font-weight: 500;
    margin-bottom: 30px;
}

/* Quick Specs */
.sp-modern-quick-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    padding: 24px;
    background: #fff;
    border-radius: var(--sp-radius-lg);
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    border: 1px solid var(--sp-border-light);
    margin-bottom: 40px;
}

.sp-quick-spec {
    display: flex;
    align-items: center;
    gap: 15px;
    flex: 1;
    min-width: 140px;
}

.sp-quick-spec i {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--sp-primary-light);
    color: var(--sp-primary-dark);
    font-size: 20px;
    border-radius: 50%;
}

.sp-qs-label {
    display: block;
    font-size: 12px;
    color: var(--sp-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.sp-qs-value {
    display: block;
    font-size: 16px;
    font-weight: 800;
    color: var(--sp-secondary);
}

/* Modern Action Buttons */
.sp-modern-actions {
    margin-bottom: 40px;
}

.sp-modern-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 700;
    border-radius: var(--sp-radius-full);
    text-decoration: none;
    overflow: hidden;
    transition: all 0.3s ease;
    width: 100%;
}

.sp-modern-btn-primary {
    background: linear-gradient(135deg, #10b981, #059669);
    color: #fff;
    box-shadow: 0 10px 25px rgba(16, 185, 129, 0.3);
}

.sp-modern-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(16, 185, 129, 0.4);
    color: #fff;
}

.sp-modern-btn .sp-btn-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.sp-modern-btn:hover .sp-btn-glow {
    opacity: 1;
    animation: sp-pulse-glow 2s infinite linear;
}

.sp-btn-icon {
    font-size: 24px;
    margin-right: 12px;
}

.sp-btn-arrow {
    transition: transform 0.3s ease;
}

.sp-modern-btn:hover .sp-btn-arrow {
    transform: translateX(5px);
}

@keyframes sp-pulse-glow {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* Tabs & Content Sections */
.sp-modern-section-title {
    font-size: 22px;
    font-weight: 800;
    color: var(--sp-secondary);
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.sp-modern-section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--sp-primary);
    border-radius: 2px;
}

.sp-modern-section-title.text-center::after {
    left: 50%;
    transform: translateX(-50%);
}

.sp-modern-desc-section,
.sp-modern-features-section {
    margin-bottom: 40px;
}

.sp-modern-content-box {
    color: var(--sp-text-secondary);
    font-size: 16px;
    line-height: 1.8;
}

.sp-modern-features-grid {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.sp-modern-features-grid li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 15px;
    color: var(--sp-text-primary);
    line-height: 1.5;
}

.sp-feature-icon-wrap {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    margin-top: 2px;
}

.sp-modern-glass-box {
    display: flex;
    align-items: center;
    gap: 20px;
    background: rgba(30, 58, 95, 0.04);
    border: 1px solid rgba(30, 58, 95, 0.08);
    padding: 24px;
    border-radius: var(--sp-radius-lg);
    backdrop-filter: blur(10px);
}

.sp-glass-icon {
    font-size: 32px;
    color: var(--sp-primary);
}

.sp-glass-content h4 {
    margin: 0 0 5px 0;
    font-size: 16px;
    color: var(--sp-secondary);
}

.sp-glass-content p {
    margin: 0;
    font-size: 14px;
    color: var(--sp-text-secondary);
}

/* Full Specs Table */
.sp-modern-full-specs {
    margin-top: 80px;
    background: #fff;
    padding: 60px 40px;
    border-radius: var(--sp-radius-xl);
    box-shadow: 0 10px 40px rgba(0,0,0,0.03);
}

.sp-modern-specs-table-wrapper {
    overflow-x: auto;
}

.sp-modern-specs-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 30px;
}

.sp-modern-specs-table tr {
    border-bottom: 1px solid var(--sp-border-light);
    transition: background 0.2s ease;
}

.sp-modern-specs-table tr:hover {
    background: var(--sp-bg-light);
}

.sp-modern-specs-table th {
    text-align: left;
    padding: 20px;
    font-size: 15px;
    color: var(--sp-secondary);
    width: 40%;
    font-weight: 600;
}

.sp-modern-specs-table th i {
    width: 24px;
    color: var(--sp-primary);
    margin-right: 10px;
    text-align: center;
}

.sp-modern-specs-table td {
    padding: 20px;
    font-size: 15px;
    color: var(--sp-text-secondary);
    font-weight: 500;
}

/* Related Products */
.sp-modern-related {
    margin-top: 80px;
}

@media (max-width: 992px) {
    .sp-modern-hero {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .sp-modern-gallery-wrapper {
        position: static;
    }
    
    .sp-modern-features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sp-modern-quick-specs {
        flex-direction: column;
        gap: 15px;
    }
    
    .sp-modern-full-specs {
        padding: 30px 20px;
    }
}