/* 슬라이드 11: 마무리 및 Q&A 레이아웃 (3단 분할 최적화) */
.closing-section {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    width: 100%;
    height: 100%;
    background-color: #FAFAFA;
    color: #333333;
    font-family: 'Noto Sans KR', sans-serif;
    position: relative;
    overflow: hidden;
    padding: 60px 0 !important; /* 상하 여백 확보 */
    box-sizing: border-box;
}

/* 배경 초음파 파동 그래픽 */
.wave-background {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.wave-line {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 1px solid rgba(212, 175, 55, 0.08);
    border-radius: 50%;
    animation: wave-pulse 8s infinite ease-out;
}

@keyframes wave-pulse {
    0% { width: 100px; height: 100px; opacity: 0.8; }
    100% { width: 1500px; height: 1500px; opacity: 0; }
}

/* 상단 영역: 슬로건 및 브랜드 로고 */
.top-branding-area {
    position: relative;
    z-index: 10;
    text-align: center;
    margin-bottom: auto; /* 중앙 영역을 밀어냄 */
}

.main-slogan {
    font-size: 2.8rem !important; /* 상단 배치를 위해 크기 최적화 */
    font-weight: 800 !important;
    color: #333333 !important;
    margin-bottom: 15px !important;
    letter-spacing: -1.5px;
}

.brand-logo-final {
    font-size: 2.2rem !important;
    font-weight: 900 !important;
    color: #D4AF37 !important;
    letter-spacing: 6px;
}

/* 중앙 영역: THANK YOU / Q&A (가장 큰 강조) */
.middle-qa-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 10;
    width: 100%;
}

.qa-header-center {
    font-size: 3.5rem !important; /* 중앙 강조를 위해 대폭 확대 */
    font-weight: 900 !important;
    color: #333333 !important;
    letter-spacing: 2px;
    margin: 0 !important;
    text-transform: uppercase;
}

.qa-accent {
    color: #D4AF37;
}

/* 하단 영역: 연락처 및 안내 문구 */
.bottom-contact-area {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 1100px;
    margin-top: auto; /* 바닥으로 밀착 */
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    padding-top: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.contact-info-row {
    display: flex;
    gap: 40px;
    font-size: 1.25rem;
    color: #555555;
    align-items: center;
}

.contact-item strong {
    color: #333333;
    font-weight: 700;
}

.vertical-bar {
    width: 1px;
    height: 18px;
    background-color: #CCCCCC;
}

.guide-text {
    font-size: 1.15rem !important; /* 피드백 반영: 가독성 확보 */
    color: #888888;
    margin: 0 !important;
    letter-spacing: 1px;
    font-weight: 500;
}