/**
 * Shop Support — MTV Music Video Concept
 * STEP 8 / 2026-05-20
 *
 * 마크업/JS 100% 보존, 스타일만 MTV 톤으로.
 * 토큰: css/shop/_mtv-tokens.css
 *
 * 보존 기능:
 *   - 섹션 탭 전환 (SHIPPING / FAQ / CONTACT)
 *   - FAQ 아코디언
 *   - URL 해시 라우팅 (#shipping, #faq, #contact)
 */

@import url('/css/shop/_mtv-tokens.css');

.support-main {
    min-height: calc(100vh - 200px);
    min-height: calc(100dvh - 200px);
    background: var(--mtv-bg);
    color: var(--mtv-black);
    font-family: var(--mtv-font-body);
}

.support-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px 80px;
}

/* Hero */
.support-hero {
    text-align: center;
    padding: 32px 0 24px;
    border-bottom: 3px solid var(--mtv-black);
    margin-bottom: 0;
}

.support-title {
    font-family: var(--mtv-font-display);
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 400;
    letter-spacing: var(--mtv-tracking-tight);
    margin-bottom: 10px;
    color: var(--mtv-black);
    text-transform: uppercase;
    text-shadow: 3px 3px 0 var(--mtv-hot-pink);
}

.support-subtitle {
    font-family: var(--mtv-font-mono);
    font-size: 12px;
    color: var(--mtv-hot-pink);
    letter-spacing: var(--mtv-tracking-wide);
    font-weight: 700;
    text-transform: uppercase;
}

/* Nav (tabs) */
.support-nav {
    display: flex;
    justify-content: center;
    gap: 8px;
    padding: 22px 0;
    border-bottom: 3px solid var(--mtv-black);
    margin-bottom: 44px;
    flex-wrap: wrap;
}

.support-nav-link {
    text-decoration: none;
    color: var(--mtv-black);
    font-family: var(--mtv-font-body);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    padding: 10px 18px;
    border: 2px solid var(--mtv-black);
    background: var(--mtv-bg);
    transition: all var(--mtv-trans-fast);
    text-transform: uppercase;
}

.support-nav-link:hover {
    background: var(--mtv-yellow);
}

.support-nav-link.active {
    background: var(--mtv-hot-pink);
    color: var(--mtv-bg);
    box-shadow: 3px 3px 0 var(--mtv-black);
}

/* Sections */
.support-section { display: none; }
.support-section.active { display: block; }

.support-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.support-col {
    background: var(--mtv-bg);
    border: var(--mtv-border-thick);
    padding: 26px 24px;
    box-shadow: 5px 5px 0 var(--mtv-black);
}

.support-col-title {
    font-family: var(--mtv-font-body);
    font-size: 17px;
    font-weight: 700;
    letter-spacing: var(--mtv-tracking-wide);
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px dashed var(--mtv-black);
    color: var(--mtv-black);
    text-transform: uppercase;
}

.support-block {
    margin-bottom: 26px;
}
.support-block:last-child { margin-bottom: 0; }

.support-block h3 {
    font-family: var(--mtv-font-body);
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 10px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--mtv-hot-pink);
}

.support-block p {
    font-family: var(--mtv-font-body);
    font-size: 14px;
    line-height: 1.7;
    color: var(--mtv-black);
    margin-bottom: 6px;
    font-weight: 500;
}

.support-block ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.support-block ul li {
    font-family: var(--mtv-font-body);
    font-size: 13px;
    line-height: 1.75;
    color: var(--mtv-black);
    padding-left: 16px;
    position: relative;
    font-weight: 500;
}

.support-block ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 6px;
    height: 6px;
    background: var(--mtv-hot-pink);
}

.support-block a {
    color: var(--mtv-hot-pink);
    text-decoration: underline;
    font-weight: 700;
}

.support-block a:hover {
    color: var(--mtv-black);
    opacity: 1;
}

.support-block strong {
    font-weight: 700;
    color: var(--mtv-hot-pink);
    background: var(--mtv-yellow);
    padding: 0 4px;
}

.support-link {
    color: var(--mtv-hot-pink);
    text-decoration: underline;
    font-weight: 700;
}
.support-link:hover { color: var(--mtv-black); opacity: 1; }

/* FAQ section */
.support-sec-heading {
    font-family: var(--mtv-font-display);
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 400;
    letter-spacing: var(--mtv-tracking-tight);
    text-align: center;
    margin-bottom: 36px;
    color: var(--mtv-black);
    text-transform: uppercase;
}

.support-faq-list {
    max-width: 820px;
    margin: 0 auto;
    background: var(--mtv-bg);
    border: var(--mtv-border-thick);
    box-shadow: 5px 5px 0 var(--mtv-black);
    padding: 8px 22px;
}

.support-faq-item {
    border-bottom: 2px dashed var(--mtv-black);
}
.support-faq-item:last-child { border-bottom: none; }

.support-faq-q {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
    cursor: pointer;
    font-family: var(--mtv-font-body);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: color var(--mtv-trans-fast);
    color: var(--mtv-black);
    text-transform: uppercase;
}

.support-faq-q:hover { color: var(--mtv-hot-pink); }

.support-faq-icon {
    font-family: var(--mtv-font-display);
    font-size: 22px;
    color: var(--mtv-hot-pink);
    transition: transform var(--mtv-trans-base);
    flex-shrink: 0;
    margin-left: 16px;
    font-weight: 400;
}

.support-faq-item.open .support-faq-icon {
    transform: rotate(45deg);
    color: var(--mtv-black);
}

.support-faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    font-family: var(--mtv-font-body);
    font-size: 13px;
    line-height: 1.75;
    color: var(--mtv-black);
    font-weight: 500;
}

.support-faq-item.open .support-faq-a {
    max-height: 400px;
    padding: 0 0 18px;
}

.support-faq-a a {
    color: var(--mtv-hot-pink);
    text-decoration: underline;
    font-weight: 700;
}

/* Contact */
.support-contact-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.support-contact-single {
    max-width: 440px;
    margin: 0 auto;
}

.support-contact-card {
    background: var(--mtv-bg);
    border: var(--mtv-border-thick);
    padding: 36px 28px;
    text-align: center;
    transition: all var(--mtv-trans-fast);
    box-shadow: 5px 5px 0 var(--mtv-black);
}

.support-contact-card:hover {
    transform: translate(-2px, -2px);
    box-shadow: 7px 7px 0 var(--mtv-hot-pink);
}

.support-contact-icon {
    margin-bottom: 18px;
    color: var(--mtv-hot-pink);
}

.support-contact-label {
    font-family: var(--mtv-font-mono);
    font-size: 11px;
    color: var(--mtv-hot-pink);
    font-weight: 700;
    letter-spacing: var(--mtv-tracking-wide);
    margin-bottom: 10px;
    text-transform: uppercase;
}

.support-contact-value {
    font-family: var(--mtv-font-body);
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--mtv-black);
    text-transform: uppercase;
}

.support-contact-value a {
    color: var(--mtv-black);
    text-decoration: underline;
}

.support-contact-sub {
    font-family: var(--mtv-font-mono);
    font-size: 12px;
    color: var(--mtv-mute);
    font-weight: 500;
    letter-spacing: 0.5px;
}

@media (max-width: 768px) {
    .support-two-col {
        grid-template-columns: 1fr;
        gap: 22px;
    }

    .support-nav {
        gap: 6px;
        padding: 18px 0;
    }
    .support-nav-link {
        font-size: 11px;
        padding: 10px 14px;
        letter-spacing: 0.5px;
        min-height: var(--mtv-touch-min);
        display: inline-flex;
        align-items: center;
    }

    .support-contact-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .support-hero { padding: 24px 0 18px; }
}

/* Step 9: 메인 폰 — 한글 가독성 + 패딩 콤팩트 */
@media (max-width: 480px) {
    .support-container { padding: 20px 12px 40px; }
    .support-hero-title { font-size: 28px; }
    .support-section { padding: 16px 14px; box-shadow: 3px 3px 0 var(--mtv-black); }
    .support-section h2 { font-size: 16px; }
    .support-section p,
    .support-faq-q,
    .support-faq-a,
    .support-contact-item {
        word-break: keep-all;
        overflow-wrap: break-word;
    }
    /* FAQ 아코디언 터치 영역 */
    .support-faq-q {
        min-height: var(--mtv-touch-min);
        font-size: 14px;
    }
    .support-faq-a { font-size: 13px; line-height: 1.7; }
}

/* Step 9: 폴드 외화면 */
@media (max-width: 360px) {
    .support-container { padding: 16px 10px 32px; }
    .support-hero-title { font-size: 24px; }
    .support-section { padding: 14px 12px; }
    .support-nav-link { padding: 9px 12px; font-size: 10.5px; }
}