/* ==========================================================================
   SaludPCB Store — Main Stylesheet
   風格：暗黑珊瑚橘 / 卡片網格
   ========================================================================== */

/* --- CSS 變數 --- */
:root {
    --bg-body: #0e0c1b;
    --bg-card: #18152b;
    --bg-header: rgba(14, 12, 27, 0.85);
    --coral: #FB7258;
    --coral-glow: rgba(251, 114, 88, 0.2);
    --text-main: #F4F4F5;
    --text-sub: #abb8c3;
    --border: #2e2a4f;
    --font-sans: 'Inter', sans-serif;
    --font-head: 'Space Grotesk', sans-serif;
}

/* --- 全域重置 --- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    background: var(--bg-body);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
}

/* --- 共用容器 --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ==========================================================================
   頂部導航列
   ========================================================================== */
.header {
    background: var(--bg-header);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    z-index: 100;
    height: 70px;
}
.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}
.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}
.logo-name {
    font-family: var(--font-head);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-main);
}
.logo-badge {
    background: linear-gradient(135deg, var(--coral), #F74D67);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    color: #fff;
}
.nav { display: flex; align-items: center; gap: 2rem; }
.lang-btn {
    border: 1px solid var(--coral);
    color: var(--coral);
    padding: 0.4rem 0.9rem;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s;
}
.lang-btn:hover {
    background: var(--coral);
    color: #fff;
}

/* ==========================================================================
   主視覺
   ========================================================================== */
.hero {
    padding: 160px 0 80px;
    text-align: center;
    position: relative;
}
.hero::before {
    content: '';
    position: absolute;
    top: -10%; right: -10%;
    width: 500px; height: 500px;
    background: radial-gradient(circle, var(--coral-glow), transparent 70%);
    pointer-events: none;
}
.hero-tag {
    display: inline-block;
    font-family: var(--font-head);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--coral);
    border: 1px solid var(--coral-glow);
    background: rgba(251, 114, 88, 0.08);
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
}
.hero-title {
    font-family: var(--font-head);
    font-size: 3.2rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}
.hero-highlight {
    background: linear-gradient(135deg, var(--coral), #F74D67);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-desc {
    color: var(--text-sub);
    font-size: 1.15rem;
    max-width: 500px;
    margin: 0 auto;
}

/* ==========================================================================
   插件卡片網格
   ========================================================================== */
.plugins {
    padding: 60px 0 120px;
}
.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

/* --- 卡片基礎 --- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
}
.card:hover {
    transform: translateY(-4px);
    border-color: var(--coral-glow);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}
/* 有內容的卡片 */
.card--active { border-color: var(--border); }
/* 空卡片（Coming Soon） */
.card--empty { opacity: 0.6; }
.card--empty:hover { opacity: 1; }

/* --- 卡片圖片區 --- */
.card-img {
    width: 100%;
    height: 180px;
    overflow: hidden;
    background: #12101f;
    display: flex;
    align-items: center;
    justify-content: center;
}
.card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.card-img--empty {
    display: flex;
    align-items: center;
    justify-content: center;
}
.card-empty-icon {
    font-size: 3rem;
    opacity: 0.4;
}

/* --- 卡片內文 --- */
.card-body {
    padding: 1.2rem 1.2rem 0.5rem;
    flex: 1;
}
.card-title {
    font-family: var(--font-head);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}
.card-desc {
    color: var(--text-sub);
    font-size: 0.9rem;
    line-height: 1.5;
}
.card-extra {
    margin-top: 0.8rem;
}
.card-extra ul {
    list-style: none;
}
.card-extra li {
    font-size: 0.85rem;
    color: var(--text-sub);
    margin-bottom: 0.3rem;
}

/* --- 卡片底部（價格 + 按鈕） --- */
.card-foot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 1.2rem 1.2rem;
}
.card-price {
    font-family: var(--font-head);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--coral);
}
.card-btn {
    background: linear-gradient(135deg, var(--coral), #F74D67);
    color: #fff;
    padding: 0.5rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s;
}
.card-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--coral-glow);
}
.card-btn:active {
    transform: translateY(0);
}
.card-btn--disabled {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-sub);
    cursor: default;
}
.card-btn--disabled:hover {
    transform: none;
    box-shadow: none;
}

/* ==========================================================================
   下載頁 — 安裝指南
   ========================================================================== */
.install-guide {
    max-width: 700px;
    margin: 3rem auto 0;
    text-align: left;
    border-top: 1px solid var(--border);
    padding-top: 2.5rem;
}
.install-guide h3 {
    font-family: var(--font-head);
    font-size: 1.2rem;
    margin-bottom: 1.2rem;
    color: var(--coral);
}
.install-steps {
    padding-left: 1.5rem;
    color: var(--text-sub);
}
.install-steps li {
    margin-bottom: 1rem;
    font-size: 0.9rem;
    line-height: 1.6;
}
.install-steps code {
    background: #12101f;
    border: 1px solid var(--border);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.85rem;
}
.code-snippet {
    display: block;
    background: #12101f;
    border: 1px solid var(--border);
    padding: 0.7rem 1rem;
    border-radius: 6px;
    font-family: monospace;
    font-size: 0.8rem;
    color: var(--text-main);
    word-break: break-all;
    margin: 0.4rem 0;
}
.download-meta {
    color: var(--text-sub);
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

/* ==========================================================================
   頁尾
   ========================================================================== */
.footer {
    border-top: 1px solid var(--border);
    padding: 2rem 0;
    background: #080611;
}
.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255, 255, 255, 0.35);
    font-size: 0.85rem;
}
.footer-links a {
    color: rgba(255, 255, 255, 0.35);
    text-decoration: none;
    transition: color 0.3s;
}
.footer-links a:hover { color: var(--coral); }

/* ==========================================================================
   手機版 RWD
   ========================================================================== */
@media (max-width: 900px) {
    .grid { grid-template-columns: repeat(2, 1fr); }
    .hero-title { font-size: 2.4rem; }
}
@media (max-width: 600px) {
    .grid { grid-template-columns: 1fr; }
    .hero-title { font-size: 2rem; }
    .footer-inner { flex-direction: column; gap: 1rem; text-align: center; }
}