/* ============================================================
   頁腳 Footer 樣式
   ============================================================ */

.site-footer {
    position: relative;
    margin-top: 100px;
    background: linear-gradient(180deg, #F7FAFC 0%, #EAF6FB 100%);
    overflow: hidden;
    color: var(--color-text);
}

/* 頂部裝飾漸變線 */
.site-footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg,
        transparent 0%,
        var(--color-primary) 30%,
        var(--color-primary-light) 70%,
        transparent 100%);
}

/* 背景裝飾圓斑 */
.site-footer::after {
    content: "";
    position: absolute;
    bottom: -120px;
    right: -120px;
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, rgba(51, 175, 225, 0.18) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.footer-inner {
    position: relative;
    z-index: 1;
    padding: 64px 24px 0;
}

/* ---------- 主體卡片區 ---------- */
.footer-main {
    max-width: var(--container-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 48px;
    padding-bottom: 40px;
}

.footer-brand-block {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.footer-brand img {
    width: 48px;
    height: 48px;
    padding: 6px;
    background: #fff;
    border-radius: 14px;
    box-shadow: var(--shadow-sm);
}

.footer-brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.footer-brand-name {
    font-size: 22px;
    font-weight: 800;
    color: var(--color-text);
}
.footer-brand-sub {
    font-size: 12px;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
    margin-top: 2px;
}

.footer-tagline {
    font-size: 15px;
    line-height: 1.8;
    color: var(--color-text-secondary);
    max-width: 460px;
}

/* 聯絡卡片 */
.footer-contact-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255, 255, 255, 0.8);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-contact-title {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 8px;
}
.footer-contact-title::before {
    content: "";
    width: 18px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 10px 0;
    color: var(--color-text);
    font-size: 15px;
    transition: all var(--transition);
}
.footer-contact-item:hover {
    color: var(--color-primary);
    transform: translateX(4px);
}

.footer-contact-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.footer-contact-icon svg {
    width: 18px;
    height: 18px;
}

.footer-contact-label {
    font-size: 11px;
    color: var(--color-text-muted);
    letter-spacing: 0.05em;
}
.footer-contact-value {
    font-size: 15px;
    font-weight: 600;
}

.footer-contact-info {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
}

/* ---------- 經銷商提示條 ---------- */
.footer-reseller {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 22px 28px;
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(51, 175, 225, 0.18);
    border-radius: var(--radius-md);
    font-size: 13px;
    line-height: 1.7;
    color: var(--color-text-secondary);
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.footer-reseller-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
}
.footer-reseller-icon svg { width: 18px; height: 18px; }

.footer-reseller p + p {
    margin-top: 6px;
    font-size: 12px;
    color: var(--color-text-muted);
    font-style: italic;
}

/* ---------- 底部版權條 ---------- */
.footer-bottom {
    margin-top: 40px;
    padding: 22px 24px;
    border-top: 1px solid rgba(51, 175, 225, 0.15);
    background: rgba(255, 255, 255, 0.4);
}

.footer-bottom-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: var(--color-text-muted);
}

.footer-bottom a {
    color: var(--color-text-secondary);
    margin-left: 18px;
    transition: color var(--transition);
}
.footer-bottom a:hover { color: var(--color-primary); }

/* ---------- 響應式 ---------- */
@media (max-width: 860px) {
    .footer-main {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer-inner { padding: 48px 18px 0; }
    .footer-reseller { padding: 18px; flex-direction: column; }
    .footer-bottom-inner { flex-direction: column; text-align: center; }
    .footer-bottom a { margin: 0 8px; }
}