/* =================================================================
   Talk Studio - 브랜드 메시지 페이지 전용 스타일
   - default/style.css 위에 얹는 페이지 전용 추가 스타일
   ================================================================= */

/* 친구톡 종료 카운트다운 박스 */
.brand_countdown {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border-radius: var(--tdf-radius);
    padding: 44px 44px;
    color: #fff;
    overflow: hidden;
    position: relative;
}

.brand_countdown::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 28px 28px;
    pointer-events: none;
    mask-image: radial-gradient(ellipse at center, #000 30%, transparent 90%);
    -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 90%);
}

.bc_inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 36px;
    align-items: center;
}

.bc_text .bc_eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    background: rgba(244, 114, 182, 0.18);
    border: 1px solid rgba(244, 114, 182, 0.32);
    border-radius: 100px;
    color: #f9a8d4;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1.2px;
    margin-bottom: 16px;
}

.bc_text h2 {
    font-size: 30px;
    font-weight: 800;
    color: #fff;
    line-height: 1.35;
    letter-spacing: -0.02em;
    margin-bottom: 14px;
}

.bc_text h2 .strike {
    text-decoration: line-through;
    color: rgba(255, 255, 255, 0.45);
    text-decoration-color: rgba(244, 114, 182, 0.6);
    text-decoration-thickness: 3px;
}

.bc_text p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.7;
}

.bc_date {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--tdf-radius);
    padding: 26px 28px;
    text-align: center;
    backdrop-filter: blur(12px);
}

.bc_date_label {
    font-size: 11px;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 1.4px;
    margin-bottom: 8px;
}

.bc_date_main {
    font-size: 38px;
    font-weight: 900;
    color: #fff;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 6px;
    background: linear-gradient(135deg, #fff 0%, #f9a8d4 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
}

.bc_date_hint {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.55);
    font-weight: 600;
}

/* 메시지 유형 4종 카드 */
.msg_types {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.mt_card {
    background: #fff;
    border: 1px solid var(--tdf-border);
    border-radius: var(--tdf-radius);
    padding: 28px 24px;
    box-shadow: var(--tdf-card-shadow);
    transition: transform 0.25s, box-shadow 0.25s;
    text-align: center;
}

.mt_card:hover {
    transform: translateY(-4px);
    box-shadow: var(--tdf-card-shadow-hover);
}

.mt_visual {
    width: 100%;
    aspect-ratio: 4/3;
    border-radius: var(--tdf-radius-sm);
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: var(--tdf-accent);
    margin-bottom: 18px;
}

.mt_card h3 {
    font-size: 17px;
    font-weight: 800;
    color: var(--tdf-text);
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.mt_card .mt_spec {
    font-size: 12px;
    color: var(--tdf-text-sub);
    font-weight: 700;
    background: #f1f5f9;
    padding: 4px 10px;
    border-radius: 100px;
    display: inline-block;
}

/* 채널 7요건 체크리스트 */
.req_list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.req_list li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 22px 24px;
    background: #fff;
    border: 1px solid var(--tdf-border);
    border-radius: var(--tdf-radius-sm);
    box-shadow: var(--tdf-card-shadow);
}

.req_check {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.12);
    color: #047857;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.req_list h4 {
    font-size: 15px;
    font-weight: 800;
    color: var(--tdf-text);
    margin-bottom: 4px;
    letter-spacing: -0.01em;
}

.req_list p {
    font-size: 13px;
    color: var(--tdf-text-sub);
    line-height: 1.5;
}

@media screen and (max-width: 1023px) {
    .brand_countdown { padding: 32px 28px; }
    .bc_inner { grid-template-columns: 1fr; gap: 24px; }
    .bc_text h2 { font-size: 24px; }
    .bc_date_main { font-size: 32px; }
    .msg_types { grid-template-columns: repeat(2, 1fr); }
    .req_list { grid-template-columns: 1fr; }
}

@media screen and (max-width: 767px) {
    .brand_countdown { padding: 26px 22px; }
    .bc_text h2 { font-size: 20px; }
    .bc_date { padding: 22px 24px; }
    .bc_date_main { font-size: 28px; }
    .msg_types { grid-template-columns: 1fr; gap: 14px; }
    .mt_card { padding: 22px 20px; }
    .req_list li { padding: 18px 20px; }
}