/* =============================================
   Contact Page — contact-page.css
   ============================================= */

/* Hero */
.contact-hero {
    position: relative;
    height: 340px;
    background: url('/images/contact.png') center center / cover no-repeat;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: #fff;
    overflow: hidden;
}

.contact-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.3) 0%,
        rgba(0, 0, 0, 0.55) 100%
    );
}

.contact-hero .hero-inner {
    position: relative;
    z-index: 1;
}

.contact-hero .hero-eyebrow {
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    font-weight: var(--font-semibold);
}

.contact-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: 0.05em;
    margin: 0 0 0.5rem;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.contact-hero .hero-sub {
    font-size: 1rem;
    opacity: 0.8;
    letter-spacing: 0.05em;
}

/* ── Body: 非對稱兩欄 ── */
.contact-body {
    display: grid;
    grid-template-columns: 2fr 3fr;
    min-height: 520px;
}

/* ── 左側深色面板 ── */
.contact-panel {
    background: var(--page-bg);
    padding: 4rem 3rem;
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

/* 背景裝飾：大型透明文字 */
.contact-panel::after {
    content: "CONTACT";
    position: absolute;
    bottom: -1rem;
    right: -1rem;
    font-size: 6rem;
    font-weight: 900;
    letter-spacing: -0.02em;
    color: rgba(255, 255, 255, 0.03);
    line-height: 1;
    pointer-events: none;
    user-select: none;
}

.panel-eyebrow {
    font-size: 0.65rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--primary-color);
    margin-bottom: 0.6rem;
    font-weight: var(--font-semibold);
}

.panel-heading {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: var(--font-bold);
    line-height: 1.2;
    margin: 0 0 2rem;
}

.contact-rule {
    width: 36px;
    height: 2px;
    background: var(--primary-color);
    margin-bottom: 2.5rem;
    border: none;
    opacity: 1;
}

/* ── 聯絡資訊：dt/dd 無 icon ── */
.contact-list {
    display: grid;
    grid-template-columns: auto 1fr;
    column-gap: 1.75rem;
    row-gap: 0.6rem;
    margin-bottom: 2.5rem;
}

.contact-list dt {
    font-size: 0.62rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--primary-color);
    font-weight: var(--font-semibold);
    padding-top: 0.2rem;
    white-space: nowrap;
    align-self: start;
}

.contact-list dd {
    font-size: 0.92rem;
    color: rgba(255, 255, 255, 0.88);
    line-height: 1.65;
    margin: 0;
}

/* 每組 dt/dd 之間的視覺間距 */
.contact-list dt:not(:first-child) {
    margin-top: 0.75rem;
}
.contact-list dd:not(:first-of-type) {
    margin-top: 0.75rem;
}

/* ── Email 連結 ── */
.contact-email-link {
    display: inline-block;
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    padding-bottom: 3px;
    transition:
        color var(--transition-base),
        border-color var(--transition-base);
}

.contact-email-link:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

/* ── 右側地圖 ── */
.contact-map-side {
    position: relative;
    overflow: hidden;
    background: var(--bg-muted);
}

.contact-map-side iframe {
    width: 100%;
    height: 100%;
    min-height: 520px;
    border: none;
    display: block;
    filter: grayscale(15%);
    transition: filter var(--transition-slow);
}

.contact-map-side:hover iframe {
    filter: grayscale(0%);
}

/* ── 進場動畫 ── */
.contact-panel,
.contact-map-side {
    opacity: 0;
    transform: translateY(20px);
    transition:
        opacity 0.7s ease,
        transform 0.7s ease;
}

.contact-panel.visible {
    opacity: 1;
    transform: translateY(0);
}

.contact-map-side.visible {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.15s;
}

/* ── RWD ── */
@media (max-width: 900px) {
    .contact-body {
        grid-template-columns: 1fr;
    }

    .contact-panel {
        padding: 3rem 2rem;
    }

    .contact-panel::after {
        font-size: 4rem;
    }

    .contact-map-side iframe {
        min-height: 320px;
    }
}