/* ========== CUSTOMER SERVICE — LUXURY AESTHETIC ========== */

/* Hero */
.customer-hero {
    height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('images/customer/customer_hero.png') center/cover no-repeat;
    position: relative;
    text-align: center;
}
.customer-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.4);
}
.customer-hero-inner {
    position: relative;
    z-index: 2;
}
.customer-hero h1 {
    font-family: 'Noto Serif KR', serif;
    font-size: clamp(2.4rem, 5vw, 3.6rem);
    font-weight: 300;
    color: #fff;
    letter-spacing: 0.08em;
    margin: 0;
}
.customer-hero .lux-label {
    margin-bottom: 16px;
    color: rgba(255,255,255,0.6);
}

/* Lux Label */
.lux-label {
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.75rem;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    font-weight: 400;
    display: block;
    margin-bottom: 12px;
}

/* Section Layout */
.section-lux {
    padding: 140px 24px;
}
.section-lux .container {
    max-width: 1080px;
    margin: 0 auto;
}
.section-lux--alt {
    background: #F7F5F0;
}
.section-lux--white {
    background: #fff;
}
.section-lux--dark {
    background: #1a1a1a;
    color: #fff;
}

/* Section Headings */
.section-title-lux {
    font-family: 'Noto Serif KR', serif;
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 300;
    letter-spacing: 0.02em;
    margin: 0 0 60px;
    text-align: center;
}

/* ========== FAQ ========== */
.faq-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px 32px;
    margin-bottom: 60px;
}
.faq-tab {
    font-family: 'Pretendard', sans-serif;
    font-size: 0.9rem;
    font-weight: 400;
    color: #999;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px 0;
    border-bottom: 1px solid transparent;
    transition: color 0.3s, border-color 0.3s;
    letter-spacing: 0.02em;
}
.faq-tab:hover,
.faq-tab.active {
    color: #1a1a1a;
    border-bottom-color: #1a1a1a;
}

.faq-group {
    display: none;
}
.faq-group.active {
    display: block;
    animation: luxFadeIn 0.4s ease;
}

@keyframes luxFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.faq-accordion-item {
    border-bottom: 1px solid rgba(0,0,0,0.08);
}
.faq-accordion-item:first-child {
    border-top: 1px solid rgba(0,0,0,0.08);
}

.faq-accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    cursor: pointer;
    transition: color 0.3s;
}
.faq-accordion-header:hover {
    color: #555;
}
.faq-accordion-header h3 {
    font-family: 'Pretendard', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    margin: 0;
    color: inherit;
    flex: 1;
    padding-right: 16px;
}
.faq-toggle {
    font-size: 1.2rem;
    font-weight: 300;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: #999;
    transition: transform 0.3s;
}
.faq-accordion-item.open .faq-toggle {
    transform: rotate(45deg);
}

.faq-accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-accordion-item.open .faq-accordion-body {
    max-height: 400px;
    padding-bottom: 24px;
}
.faq-accordion-body p {
    font-family: 'Pretendard', sans-serif;
    font-size: 0.9rem;
    font-weight: 300;
    line-height: 1.9;
    color: #666;
    margin: 0;
}

/* ========== TESTIMONIALS ========== */
.testimonials-carousel {
    position: relative;
    max-width: 780px;
    margin: 0 auto;
    min-height: 320px;
}
.testimonial-card {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    opacity: 0;
    transition: opacity 0.8s ease;
    pointer-events: none;
}
.testimonial-card.active {
    opacity: 1;
    pointer-events: auto;
}
.testimonial-quote-mark {
    font-family: 'Cormorant Garamond', serif;
    font-size: 4rem;
    line-height: 1;
    color: rgba(0,0,0,0.1);
    margin-bottom: 16px;
}
.testimonial-text {
    font-family: 'Noto Serif KR', serif;
    font-size: clamp(1rem, 2vw, 1.2rem);
    font-weight: 300;
    line-height: 2;
    color: #333;
    max-width: 640px;
    margin: 0 auto 32px;
}
.testimonial-author-name {
    font-family: 'Pretendard', sans-serif;
    font-size: 0.85rem;
    font-weight: 400;
    color: #999;
    letter-spacing: 0.05em;
}
.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 48px;
}
.testimonial-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(0,0,0,0.15);
    border: none;
    cursor: pointer;
    transition: background 0.3s, transform 0.3s;
}
.testimonial-dot.active {
    background: #1a1a1a;
    transform: scale(1.3);
}

/* ========== INQUIRY ========== */
.inquiry-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}
.inquiry-block h3 {
    font-family: 'Noto Serif KR', serif;
    font-size: 1.2rem;
    font-weight: 400;
    margin: 0 0 24px;
}
.inquiry-block p,
.inquiry-block li {
    font-family: 'Pretendard', sans-serif;
    font-size: 0.9rem;
    font-weight: 300;
    line-height: 1.9;
    color: #666;
}
.inquiry-block ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.inquiry-block li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}
.inquiry-block li:last-child {
    border-bottom: none;
}
.inquiry-contact-line {
    font-size: 1rem;
    font-weight: 400;
    color: #1a1a1a;
    margin-bottom: 8px;
    display: block;
}
.inquiry-contact-line a {
    color: #1a1a1a;
    text-decoration: none;
    border-bottom: 1px solid rgba(0,0,0,0.15);
    transition: border-color 0.3s;
}
.inquiry-contact-line a:hover {
    border-color: #1a1a1a;
}

/* ========== DARK CTA ========== */
.cta-dark {
    background: #1a1a1a;
    padding: 100px 24px;
    text-align: center;
}
.cta-dark .lux-label {
    color: rgba(255,255,255,0.5);
}
.cta-dark h2 {
    font-family: 'Noto Serif KR', serif;
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 300;
    color: #fff;
    margin: 0 0 24px;
}
.cta-dark .cta-phone {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.4rem;
    letter-spacing: 0.1em;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    border-bottom: 1px solid rgba(255,255,255,0.2);
    padding-bottom: 4px;
    transition: color 0.3s, border-color 0.3s;
}
.cta-dark .cta-phone:hover {
    color: #fff;
    border-color: #fff;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .section-lux {
        padding: 80px 20px;
    }
    .inquiry-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .testimonials-carousel {
        min-height: 380px;
    }
    .faq-tabs {
        gap: 4px 20px;
    }
}