/* ============================================================
   AQUARUBIN — components.css
   Reusable UI: Buttons, Product Cards, Category Cards, Badges
   DARK THEME
   ============================================================ */

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    border-radius: var(--radius-pill);
    padding: 0.75em 1.6em;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition:
        background 0.3s var(--ease-spring),
        color 0.3s var(--ease-spring),
        transform 0.25s var(--ease-spring),
        box-shadow 0.3s var(--ease-spring),
        border-color 0.3s var(--ease-spring);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn:active { transform: scale(0.97); }

/* Primary — pink gradient */
.btn--primary {
    background: linear-gradient(135deg, #cc00cc 0%, #ff00ff 60%, #a000d0 100%);
    color: #fff;
    box-shadow: 0 4px 20px rgba(255,0,255,0.30), 0 0 0 1px rgba(255,0,255,0.20);
}

.btn--primary:hover {
    background: linear-gradient(135deg, #aa00aa 0%, #dd00dd 60%, #8800bb 100%);
    box-shadow: 0 8px 32px rgba(255,0,255,0.40), 0 0 0 1px rgba(255,0,255,0.30);
    transform: translateY(-2px);
    color: #fff;
}

/* Ghost — dark glassmorphism */
.btn--ghost {
    background: rgba(255,255,255,0.05);
    color: var(--clr-text);
    border: 1px solid rgba(255,255,255,0.14);
    backdrop-filter: blur(10px);
}

.btn--ghost:hover {
    border-color: var(--clr-border-ruby);
    color: var(--clr-ruby);
    background: var(--clr-ruby-glow-sm);
    transform: translateY(-2px);
}

/* Blue variant */
.btn--blue {
    background: linear-gradient(135deg, #0066cc 0%, #0080ff 60%, #0055bb 100%);
    color: #fff;
    box-shadow: 0 4px 20px rgba(0,128,255,0.30);
}

.btn--blue:hover {
    background: linear-gradient(135deg, #0055aa 0%, #0070ee 60%, #0044aa 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0,128,255,0.40);
    color: #fff;
}

.btn--lg { font-size: 1rem; padding: 0.9em 2em; }
.btn--sm { font-size: 0.78rem; padding: 0.5em 1.1em; }
.btn--full { width: 100%; justify-content: center; }

/* Nested icon inside button */
.btn__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.6em;
    height: 1.6em;
    border-radius: var(--radius-pill);
    background: rgba(255,255,255,0.15);
    flex-shrink: 0;
    transition: transform 0.3s var(--ease-spring), background 0.3s;
}

.btn--ghost .btn__icon { background: rgba(255,255,255,0.08); }
.btn:hover .btn__icon { transform: translate(2px, -1px); background: rgba(255,255,255,0.22); }

/* Premium shine sweep on the gradient CTAs (buttons already clip via overflow:hidden).
   Reduced-motion is handled globally in main.css. */
.btn--primary::after,
.btn--blue::after {
    content: '';
    position: absolute;
    top: 0;
    left: -75%;
    width: 55%;
    height: 100%;
    background: linear-gradient(100deg, transparent, rgba(255,255,255,0.28), transparent);
    transform: skewX(-20deg);
    pointer-events: none;
    opacity: 0;
}
.btn--primary:hover::after,
.btn--blue:hover::after {
    animation: btn-shine 0.7s var(--ease-out-expo);
}
@keyframes btn-shine {
    0%   { left: -75%; opacity: 0; }
    28%  { opacity: 1; }
    100% { left: 125%; opacity: 0; }
}

/* ---- Product Cards ---- */
.product-card {
    background: var(--clr-bg-card);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm), var(--edge-light);
    transition:
        transform 0.4s var(--ease-spring),
        border-color 0.3s var(--ease-spring),
        box-shadow 0.4s var(--ease-spring);
    position: relative;
}

.product-card:hover {
    transform: translateY(-6px) scale(1.01);
    border-color: var(--clr-border-ruby);
    box-shadow: var(--shadow-card-lg), var(--shadow-glow-ruby), var(--edge-light-hover);
}

/* Invisible full-card link — z-index 1, cart button at z-index 4 sits above */
.product-card .product-card__link {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: block;
    text-decoration: none;
}

/* Square image */
.product-card .product-card__image-wrap {
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: var(--clr-bg-3);
    display: block;
    width: 100%;
    position: relative;
}

.product-card .product-card__image-wrap img,
.product-card .product-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s var(--ease-spring), filter 0.5s ease;
    filter: brightness(0.92) saturate(1.08);
}

.product-card:hover .product-card__image-wrap img,
.product-card:hover .product-card__image {
    transform: scale(1.06);
    filter: brightness(1.0) saturate(1.18);
}

/* Badges */
.product-card .product-card__badge {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.25em 0.75em;
    border-radius: var(--radius-pill);
    z-index: 3;
    pointer-events: none;
}

.product-card .product-card__badge--sale     { background: var(--clr-ruby);  color: #fff; box-shadow: 0 2px 10px rgba(255,0,255,0.35); }
.product-card .product-card__badge--featured { background: var(--clr-blue);  color: #fff; box-shadow: 0 2px 10px rgba(0,128,255,0.35); }
.product-card .product-card__badge--new      { background: #00cc88;           color: #fff; }

/* Cart button — circle, top-right of image, z-index 4 */
.product-card .product-card__cart-btn {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    z-index: 4;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--clr-blue);
    border: none;
    color: #fff;
    text-decoration: none;
    box-shadow: 0 3px 10px rgba(0,0,0,0.45);
    outline: none;
    -webkit-tap-highlight-color: transparent;
    opacity: 0;
    transform: scale(0.78) translateY(4px);
    transition:
        opacity    0.22s ease,
        transform  0.30s cubic-bezier(0.34, 1.46, 0.64, 1),
        box-shadow 0.22s ease,
        background 0.22s ease;
    overflow: hidden;
}

.product-card .product-card__cart-btn:focus,
.product-card .product-card__cart-btn:focus-visible {
    outline: none;
    box-shadow: 0 3px 10px rgba(0,0,0,0.45);
}

.product-card .product-card__cart-btn .product-card__cart-icon {
    display: block;
    transition: opacity 0.18s ease, transform 0.18s ease;
}

.product-card .product-card__cart-btn .product-card__check-icon {
    display: none;
    opacity: 0;
}

.product-card:hover .product-card__cart-btn {
    opacity: 1;
    transform: scale(1) translateY(0);
    background: var(--clr-blue);
    box-shadow: 0 4px 14px rgba(0,0,0,0.45);
}

.product-card .product-card__cart-btn:hover {
    transform: scale(1.10) translateY(0) !important;
    background: #1a7aff !important;
    box-shadow: 0 4px 14px rgba(0,0,0,0.45) !important;
}

.product-card .product-card__cart-btn:active {
    transform: scale(0.93) translateY(0) !important;
    transition: transform 0.08s ease !important;
    box-shadow: 0 3px 12px rgba(0,0,0,0.30) !important;
}

.product-card .product-card__cart-btn.loading {
    pointer-events: none;
    opacity: 1 !important;
    transform: scale(1) translateY(0) !important;
    animation: pc-cart-spin 0.8s linear infinite;
}

.product-card .product-card__cart-btn.added {
    background: linear-gradient(145deg, #00b055, #007a3a) !important;
    box-shadow: 0 6px 22px rgba(0,150,65,0.50) !important;
    opacity: 1 !important;
    transform: scale(1) translateY(0) !important;
    animation: pc-cart-pop 0.42s cubic-bezier(0.34, 1.46, 0.64, 1) forwards;
}

.product-card .product-card__cart-btn.added .product-card__cart-icon { display: none; }
.product-card .product-card__cart-btn.added .product-card__check-icon {
    display: block;
    opacity: 1;
    animation: pc-check-in 0.28s ease 0.10s both;
}

@keyframes pc-cart-spin { to { transform: rotate(360deg); } }
@keyframes pc-cart-pop {
    0%   { transform: scale(1)    translateY(0); }
    45%  { transform: scale(1.16) translateY(0); }
    75%  { transform: scale(0.95) translateY(0); }
    100% { transform: scale(1)    translateY(0); }
}
@keyframes pc-check-in {
    from { opacity: 0; transform: scale(0.4) rotate(-15deg); }
    to   { opacity: 1; transform: scale(1)   rotate(0deg);   }
}

/* Text body below image */
.product-card .product-card__body {
    padding: var(--space-4) var(--space-4) var(--space-5);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
    text-align: center;
    border-top: 1px solid var(--clr-border);
    flex: 1;
}

.product-card .product-card__cat {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--clr-blue-light);
    opacity: 0.9;
    margin-bottom: 3px;
}

.product-card .product-card__title {
    font-size: 1.08rem;
    font-weight: 600;
    line-height: 1.35;
    letter-spacing: -0.015em;
    color: var(--clr-text);
}

.product-card .product-card__price {
    font-size: 1.22rem;
    font-weight: 700;
    color: var(--clr-text);
    margin-top: var(--space-2);
    display: block;
    letter-spacing: -0.015em;
}

.product-card .product-card__price del { color: var(--clr-text-faint); font-weight: 400; font-size: 0.85em; }
.product-card .product-card__price ins { text-decoration: none; color: var(--clr-ruby); }

/* WooCommerce onsale badge — hidden (we use our own) */
.onsale { display: none !important; }

/* ---- Category Cards ---- */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.category-card {
    display: block;
    border-radius: var(--radius-xl);
    overflow: hidden;
    position: relative;
    background: var(--clr-bg-card);
    border: 1px solid var(--clr-border);
    box-shadow: var(--shadow-sm), var(--edge-light);
    transition:
        transform 0.4s var(--ease-spring),
        border-color 0.3s,
        box-shadow 0.4s var(--ease-spring);
}

.category-card:hover {
    transform: translateY(-5px) scale(1.01);
    border-color: var(--clr-border-blue);
    box-shadow: var(--shadow-card-lg), var(--shadow-glow-blue), var(--edge-light-hover);
}

.category-card__image-wrap {
    aspect-ratio: 16/10;
    overflow: hidden;
    position: relative;
    background: linear-gradient(135deg, var(--clr-bg-2), var(--clr-bg-3));
}

.category-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.55s var(--ease-spring);
    filter: brightness(0.85) saturate(1.1);
}

.category-card:hover .category-card__image { transform: scale(1.08); filter: brightness(0.95) saturate(1.25); }

.category-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 30%, rgba(16, 14, 32,0.70) 100%);
    pointer-events: none;
}

.category-card__body {
    padding: var(--space-4) var(--space-5);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--clr-bg-card);
    border-top: 1px solid var(--clr-border);
}

.category-card__name {
    font-size: 0.975rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--clr-text);
}

.category-card__count {
    font-size: 0.75rem;
    color: var(--clr-text-faint);
    font-variant-numeric: tabular-nums;
}

/* ---- Topics Bento ---- */
.topics-bento {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto;
    gap: var(--space-6);
}

.topic-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-8);
    background: var(--clr-bg-card);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-xl);
    text-decoration: none;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm), var(--edge-light);
    transition:
        transform 0.4s var(--ease-spring),
        border-color 0.3s,
        box-shadow 0.4s var(--ease-spring);
}

.topic-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at top left, rgba(255,0,255,0.07) 0%, transparent 65%);
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
}

.topic-card:hover {
    transform: translateY(-4px);
    border-color: var(--clr-border-ruby);
    box-shadow: var(--shadow-card-lg), var(--shadow-glow-ruby), var(--edge-light-hover);
}

.topic-card:hover::before { opacity: 1; }

.topic-card--large { grid-column: span 2; }
.topic-card--wide  { grid-column: span 2; }

.topic-card__icon {
    color: var(--clr-ruby);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--clr-ruby-glow-sm);
    border-radius: var(--radius-md);
    flex-shrink: 0;
    border: 1px solid var(--clr-border-ruby);
}

.topic-card__title {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--clr-text);
}

.topic-card__desc {
    font-size: 0.875rem;
    color: var(--clr-text-muted);
    flex: 1;
    margin: 0;
}

.topic-card__arrow {
    color: var(--clr-text-faint);
    align-self: flex-end;
    transition: transform 0.3s var(--ease-spring), color 0.3s;
}

.topic-card:hover .topic-card__arrow {
    transform: translate(4px, -4px);
    color: var(--clr-ruby);
}

/* ---- Why-Aquarubin Features ---- */
.why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.why-content .section-title { margin-bottom: var(--space-5); text-align: left; }
.why-content .btn { margin-top: var(--space-6); }
.why-content__text { font-size: 1.05rem; }

.why-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.why-feature-card {
    padding: var(--space-5);
    background: var(--clr-bg-card);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    box-shadow: var(--shadow-sm), var(--edge-light);
    transition: border-color 0.3s, transform 0.4s var(--ease-spring), box-shadow 0.4s;
}

.why-feature-card:hover {
    border-color: var(--clr-border-ruby);
    transform: translateY(-3px);
    box-shadow: var(--shadow-card);
}

.why-feature-card__icon {
    color: var(--clr-ruby);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--clr-ruby-glow-sm);
    border-radius: var(--radius-md);
    border: 1px solid var(--clr-border-ruby);
}

.why-feature-card__title {
    font-size: 0.9rem;
    font-weight: 700;
    margin: 0;
    color: var(--clr-text);
}

.why-feature-card__text {
    font-size: 0.82rem;
    color: var(--clr-text-muted);
    margin: 0;
}

/* ---- Trust Bar ---- */
.trust-bar {
    background: var(--clr-bg-2);
    border-block: 1px solid var(--clr-border);
    padding-block: var(--space-6);
    position: relative;
}

.trust-bar::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(0,128,255,0.05) 22%,
        rgba(133,116,216,0.07) 50%,
        rgba(255,0,255,0.04) 78%,
        transparent 100%);
    pointer-events: none;
}

.trust-bar__list {
    display: flex;
    gap: var(--space-8);
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.trust-bar__item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 0.875rem;
    color: var(--clr-text);
}

.trust-bar__item strong {
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--clr-text);
}

.trust-bar__item span {
    color: var(--clr-text-muted);
    font-size: 0.78rem;
}

.trust-bar__icon {
    color: var(--clr-ruby);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--clr-ruby-glow-sm);
    border-radius: var(--radius-md);
    border: 1px solid var(--clr-border-ruby);
}

/* ---- Products Grid (general) ---- */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.products-grid--featured {
    grid-template-columns: repeat(4, 1fr);
}

/* ---- Responsive ---- */
@media (max-width: 1100px) {
    .products-grid--featured { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 1024px) {
    .categories-grid { grid-template-columns: repeat(2, 1fr); }
    .topics-bento { grid-template-columns: repeat(2, 1fr); }
    .topic-card--large,
    .topic-card--wide { grid-column: span 2; }
    .why-grid { grid-template-columns: 1fr; gap: var(--space-10); }
    .why-features { grid-template-columns: repeat(2, 1fr); }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .products-grid,
    .products-grid--featured { grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
    .categories-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
    .topics-bento { grid-template-columns: 1fr; gap: var(--space-4); }
    .topic-card--large,
    .topic-card--wide { grid-column: span 1; }
    .topic-card { padding: var(--space-6); }
    .trust-bar__list { gap: var(--space-5); flex-wrap: wrap; justify-content: flex-start; }
    .why-content .section-title { text-align: left; }
}

@media (max-width: 480px) {
    .products-grid,
    .products-grid--featured { grid-template-columns: 1fr; }
    .categories-grid { grid-template-columns: 1fr; }
    .why-features { grid-template-columns: 1fr; }
}