/* ========================================================================
   首頁「產品系列」水平捲動 — Module
   依賴：design-system.css 的 token（--color-primary / --color-interactive 等）
   ======================================================================== */

.home-products {
    background: linear-gradient(180deg, #EEF2F8 0%, #FFFFFF 100%);
    padding: var(--spacing-16) 0 var(--spacing-16) 0;
    overflow: hidden;
}
.home-products .hp-inner {
    width: min(1200px, 92vw);
    margin: 0 auto;
}
.home-products .hp-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--spacing-6);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-10);
}
.home-products .hp-kicker {
    display: block;
    font-family: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    color: var(--color-interactive);
    margin-bottom: var(--spacing-3);
    text-transform: uppercase;
}
.home-products .hp-head h2 {
    font-family: var(--font-family-heading);
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    color: var(--color-primary);
    font-weight: 700;
    line-height: 1.2;
    margin: 0;
    letter-spacing: -0.01em;
}
.home-products .hp-head p {
    color: var(--color-text-secondary);
    margin: var(--spacing-2) 0 0 0;
    max-width: 480px;
    font-size: 1rem;
    line-height: 1.65;
}
.home-products .hp-nav { display: flex; gap: var(--spacing-2); }
.home-products .hp-nav button {
    width: 44px; height: 44px;
    border-radius: 50%;
    border: 1px solid var(--color-gray-300);
    background: var(--color-surface);
    color: var(--color-primary);
    display: grid;
    place-items: center;
    transition: var(--transition-smooth);
    cursor: pointer;
    padding: 0;
}
.home-products .hp-nav button:hover {
    background: var(--color-primary);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 8px 20px rgba(10, 36, 99, 0.25);
}
.home-products .hp-nav button:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
}
.home-products .hp-nav button svg { width: 18px; height: 18px; }

/* === 捲動容器 ===
   --cards-per-view 用浮點數可控制「露出下一張幾分」：3.0 = 剛好 3 張、3.2 = 3 張 + 露 0.2 張提示可滑 */
.home-products .hp-scroller {
    --cards-per-view: 3.1;
    --card-gap: 20px;
    display: flex;
    gap: var(--card-gap);
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    padding: 12px 2px 28px 2px;
    margin: 0 -2px;
    scrollbar-width: thin;
    scrollbar-color: var(--color-gray-300) transparent;
    -webkit-overflow-scrolling: touch;
}
.home-products .hp-scroller::-webkit-scrollbar { height: 6px; }
.home-products .hp-scroller::-webkit-scrollbar-track { background: transparent; }
.home-products .hp-scroller::-webkit-scrollbar-thumb {
    background: var(--color-gray-300);
    border-radius: 3px;
}
.home-products .hp-scroller::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* === 產品卡（一次顯示 cards-per-view 張，等比放大） === */
.home-products .hp-card {
    flex: 0 0 calc((100% - (var(--cards-per-view) - 1) * var(--card-gap)) / var(--cards-per-view));
    min-width: 0;
    scroll-snap-align: start;
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--color-gray-200);
    transition: transform 0.4s var(--transition-smooth), box-shadow 0.4s var(--transition-smooth), border-color 0.4s;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    box-shadow: 0 1px 2px rgba(10, 36, 99, 0.04);
}
.home-products .hp-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 40px rgba(10, 36, 99, 0.12);
    border-color: transparent;
}
.home-products .hp-card:focus-visible {
    outline: 3px solid var(--color-interactive);
    outline-offset: 3px;
}
.home-products .hp-card .hp-img {
    aspect-ratio: 1 / 1;
    background: linear-gradient(135deg, #F1F5FB, #E5ECF6);
    overflow: hidden;
    position: relative;
}
.home-products .hp-card .hp-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s var(--transition-smooth);
}
.home-products .hp-card:hover .hp-img img {
    transform: scale(1.06);
}
.home-products .hp-card .hp-body {
    padding: var(--spacing-6);
    display: flex;
    flex-direction: column;
    flex: 1;
}
.home-products .hp-card .hp-cat {
    font-family: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
    font-size: 0.78rem;
    letter-spacing: 0.14em;
    color: var(--color-interactive);
    text-transform: uppercase;
    margin-bottom: var(--spacing-3);
    font-weight: 500;
}
.home-products .hp-card h3 {
    font-family: var(--font-family-heading);
    font-size: 1.35rem;
    color: var(--color-primary);
    line-height: 1.4;
    margin: 0 0 var(--spacing-3) 0;
    font-weight: 700;
    letter-spacing: -0.01em;
}
.home-products .hp-card p {
    color: var(--color-text-secondary);
    font-size: 1rem;
    margin: 0;
    line-height: 1.65;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.home-products .hp-card .hp-foot {
    margin-top: auto;
    padding-top: var(--spacing-5);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--color-interactive);
    font-size: 0.95rem;
    font-weight: 500;
}
.home-products .hp-card .hp-foot svg {
    width: 18px;
    height: 18px;
    transition: transform 0.3s var(--transition-smooth);
}
.home-products .hp-card:hover .hp-foot svg {
    transform: translateX(4px);
}

/* === 空狀態 === */
.home-products .hp-empty {
    text-align: center;
    color: var(--color-text-muted);
    padding: var(--spacing-12) 0;
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    border: 1px dashed var(--color-gray-300);
}

/* === 響應式：所有尺寸都露一點下一張，暗示「右邊還有」 === */
@media (max-width: 1024px) {
    .home-products .hp-scroller { --cards-per-view: 2.1; }
}
@media (max-width: 640px) {
    .home-products { padding: var(--spacing-12) 0; }
    .home-products .hp-head { flex-direction: column; align-items: flex-start; }
    .home-products .hp-scroller { --cards-per-view: 1.08; --card-gap: 16px; }
    .home-products .hp-card h3 { font-size: 1.2rem; }
}

/* === Reduced motion === */
@media (prefers-reduced-motion: reduce) {
    .home-products .hp-scroller { scroll-behavior: auto; }
    .home-products .hp-card,
    .home-products .hp-card img,
    .home-products .hp-card .hp-foot svg { transition: none; }
    .home-products .hp-card:hover { transform: none; }
    .home-products .hp-card:hover .hp-img img { transform: none; }
}