/* Base & Variables */
:root {
    --primary: #00d255;
    --primary-glow: rgba(0, 210, 85, 0.4);
    --bg-dark: #0a0a0a;
    --bg-card: #161616;
    --text-main: #f5f5f5;
    --text-muted: #a0a0a0;
    --border: #2a2a2a;
    --glass-bg: rgba(22, 22, 22, 0.6);
    --glass-border: rgba(255, 255, 255, 0.08);
    --transition: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Pretendard', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    word-break: keep-all;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-padding {
    padding: 6rem 0;
}

#contact.section-padding {
    padding-top: 2rem; /* Reduced to ~32px */
}

.text-center {
    text-align: center;
}

.accent-text {
    color: var(--primary);
}

/* Typography */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
    padding: 1.5rem 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.8), transparent); /* Fallback background for visibility */
}

.header.scrolled {
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 0.8rem 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-img {
    height: 40px;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.mobile-menu-btn.active i {
    transform: rotate(90deg);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--primary);
    color: #000;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-outline {
    border: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    backdrop-filter: blur(4px);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    min-height: auto;
    padding-top: 180px; /* Definitive space for fixed header */
    padding-bottom: 30px;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    padding: 0 2rem;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    word-break: keep-all;
    overflow-wrap: break-word;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: bounce 2s infinite;
}

.scroll-indicator i {
    font-size: 1.5rem;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
    40% { transform: translateY(-10px) translateX(-50%); }
    60% { transform: translateY(-5px) translateX(-50%); }
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
}

.about-img {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.glass-card {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    padding: 1.5rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.glass-card i {
    font-size: 2rem;
    color: var(--primary);
}

.glass-card span {
    font-weight: 600;
    font-size: 1rem;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.feature-list li {
    display: flex;
    gap: 1.5rem;
}

.icon-box {
    width: 50px;
    height: 50px;
    background: rgba(0, 210, 85, 0.1);
    border: 1px solid rgba(0, 210, 85, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.icon-box i {
    font-size: 1.5rem;
    color: var(--primary);
}

.feature-list h3 {
    font-size: 1.2rem;
    margin-bottom: 0.3rem;
}

.feature-list p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* SNS Section */
.sns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.sns-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2.5rem 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.sns-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    background: linear-gradient(145deg, var(--bg-card), rgba(0, 210, 85, 0.05));
    box-shadow: 0 15px 35px rgba(0, 210, 85, 0.1);
}

.sns-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.8rem;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    transition: var(--transition);
}

.sns-card:hover .sns-icon.youtube { color: #FF0000; background: rgba(255, 0, 0, 0.1); }
.sns-card:hover .sns-icon.kakao { color: #FEE500; background: rgba(254, 229, 0, 0.1); }
.sns-card:hover .sns-icon.instagram { color: #E1306C; background: rgba(225, 48, 108, 0.1); }
.sns-card:hover .sns-icon.blog { color: #03C75A; background: rgba(3, 199, 90, 0.1); }
.sns-card:hover .sns-icon.quote { color: #00a8ff; background: rgba(0, 168, 255, 0.1); }
.sns-card:hover .sns-icon.email { color: var(--primary); background: rgba(0, 210, 85, 0.1); }

.sns-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.sns-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Footer */
.footer {
    border-top: 1px solid var(--border);
    padding: 4rem 0 2rem;
    margin-top: 4rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-logo-img {
    height: 30px;
    opacity: 0.5;
    filter: grayscale(100%);
    transition: var(--transition);
}

.footer-logo-img:hover {
    opacity: 1;
    filter: grayscale(0%);
}

.footer-links {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--text-main);
}

.divider {
    color: var(--border);
}

.footer-bottom {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Animations */
.fade-in-up {
    animation: fadeInUp 1s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reveal-up, .reveal-left, .reveal-right {
    opacity: 0;
    visibility: hidden;
}

.reveal-up.active {
    animation: fadeInUp 0.8s ease forwards;
    visibility: visible;
}

.reveal-left.active {
    animation: fadeInLeft 0.8s ease forwards;
    visibility: visible;
}

.reveal-right.active {
    animation: fadeInRight 0.8s ease forwards;
    visibility: visible;
}

@keyframes fadeInLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

/* Responsive Design */
@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-dark);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .nav-menu.active {
        max-height: 300px;
        padding: 1rem 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }
    
    .nav-list li {
        width: 100%;
    }
    
    .nav-list li a {
        display: block;
        padding: 1rem 2rem;
        border-bottom: 1px solid var(--border);
    }
    
    .nav-list li:last-child a {
        border-bottom: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }

    .hero {
        background-attachment: scroll;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center; /* Center buttons and prevent stretching */
    }

    .hero-actions .btn {
        display: inline-flex;
        width: auto !important;
        padding: 0.7rem 1.2rem; /* Even tighter for mobile */
        font-size: 0.95rem; /* Slightly smaller font */
        justify-content: center;
        min-width: unset;
    }
    
    .glass-card {
        right: 0;
        bottom: 0;
        width: 100%;
        justify-content: center;
        border-radius: 0 0 16px 16px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
    }

    .pc-br {
        display: none;
    }

    .sns-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.8rem;
        margin-top: 2rem;
    }

    .sns-card {
        padding: 1.2rem 0.8rem;
        border-radius: 12px;
    }

    .sns-icon {
        width: 42px;
        height: 42px;
        font-size: 1.4rem;
        margin-bottom: 0.6rem;
    }

    .sns-card h3 {
        font-size: 0.8rem;
        margin-bottom: 0.2rem;
    }

    .sns-card p {
        font-size: 0.7rem;
    }
}

/* Contents & Feed Section */
.contents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feed-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
}

.feed-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(0, 210, 85, 0.1);
}

.feed-img-box {
    width: 100%;
    height: 200px;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feed-placeholder i {
    font-size: 3rem;
    color: var(--text-muted);
    opacity: 0.5;
}

.feed-content {
    padding: 2rem;
}

.feed-tag {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: rgba(255, 0, 0, 0.1);
    color: #FF0000;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.feed-tag.kakao-tag { background: rgba(3, 199, 90, 0.1); color: #03C75A; }
.feed-tag.insta-tag { background: rgba(225, 48, 108, 0.1); color: #E1306C; }

.feed-content h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.feed-content p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.feed-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.95rem;
}

.feed-link:hover {
    gap: 0.8rem;
}

/* History Timeline */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: 3rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: 13px;
    top: 5px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--bg-dark);
    border: 3px solid var(--primary);
    box-shadow: 0 0 10px var(--primary-glow);
    z-index: 2;
}

.glass-card-alt {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border);
    padding: 2rem;
    border-radius: 12px;
    transition: var(--transition);
}

.glass-card-alt:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--glass-border);
}

.timeline-content h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.timeline-date {
    display: inline-block;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.timeline-content p {
    color: var(--text-muted);
}

/* Responsive updates for Timeline */
@media (min-width: 769px) {
    .timeline::before {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .timeline-item {
        width: 50%;
        padding-left: 0;
        padding-right: 40px;
    }
    
    .timeline-item:nth-child(even) {
        margin-left: auto;
        padding-right: 0;
        padding-left: 40px;
    }
    
    .timeline-item:nth-child(even) .timeline-dot {
        left: -8px;
    }
    
    .timeline-item:nth-child(odd) .timeline-dot {
        left: auto;
        right: -8px;
    }
    
    .timeline-item:nth-child(odd) {
        text-align: right;
    }
}

/* =====================================================
   2026 올인원 믹싱세미나 Section
   ===================================================== */
.seminar-section {
    background: var(--bg-dark);
    padding-bottom: 0;
    padding-top: 80px; /* fixed 헤더 높이 보정 */
}

/* 메인 포스터 */
.seminar-main-image {
    width: 100%;
    max-width: 860px;
    margin: 0 auto;
    padding: 4rem 1.5rem 0;
}
.seminar-poster {
    width: 100%;
    height: auto;
    border-radius: 16px;
    display: block;
    box-shadow: 0 12px 60px rgba(0, 0, 0, 0.6);
}

/* 본문 래퍼 */
.seminar-content-wrap {
    max-width: 1100px;
    margin: 0 auto;
    padding: 3rem 1.5rem 2rem;
}

/* 인트로 텍스트 */
.seminar-intro {
    text-align: center;
    margin-bottom: 3rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 2.5rem;
}
.seminar-intro p {
    color: var(--text-muted);
    line-height: 1.85;
    margin-bottom: 0.9rem;
    font-size: 0.97rem;
}
.seminar-highlight {
    color: var(--primary) !important;
    font-weight: 600;
    font-size: 1.05rem !important;
}

/* 카드 그리드 */
.seminar-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}
.seminar-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.8rem;
    transition: border-color var(--transition);
}
.seminar-card:hover {
    border-color: var(--primary);
}
.seminar-card-wide {
    grid-column: 1 / -1;
}
.seminar-card-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1.2rem;
    padding-bottom: 0.7rem;
    border-bottom: 1px solid var(--border);
}
.seminar-card-title i {
    font-size: 1.15rem;
}
.seminar-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.seminar-list li {
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.7;
    padding-left: 1rem;
    position: relative;
    margin-bottom: 0.4rem;
}
.seminar-list li::before {
    content: '·';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

/* 대상 타겟 그리드 */
.seminar-target-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem 2rem;
}
.target-group h4 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.5rem;
    border-left: 3px solid var(--primary);
    padding-left: 0.6rem;
}

/* 일정 */
.seminar-schedule {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    margin-bottom: 1.5rem;
}
.schedule-item {
    display: flex;
    align-items: flex-start;
    gap: 1.2rem;
    padding: 0.85rem 1rem;
    background: rgba(0, 210, 85, 0.04);
    border: 1px solid rgba(0, 210, 85, 0.12);
    border-radius: 10px;
}
.schedule-date {
    flex-shrink: 0;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary);
    min-width: 100px;
    padding-top: 2px;
}
.schedule-info {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}
.schedule-info strong {
    font-size: 0.95rem;
    color: var(--text-main);
}
.schedule-info span {
    font-size: 0.85rem;
    color: var(--text-muted);
}
.schedule-note {
    font-size: 0.8rem !important;
    color: #f0a000 !important;
}
.seminar-fee-row {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    padding: 1rem 1.2rem;
    background: var(--bg-dark);
    border-radius: 10px;
    border: 1px solid var(--border);
    font-size: 0.92rem;
    color: var(--text-main);
    font-weight: 600;
}
.seminar-fee-row i {
    color: var(--primary);
    margin-right: 0.3rem;
}

/* 신청 안내 강조 */
.seminar-inquiry {
    margin-top: 1.2rem;
    padding: 1rem 1.2rem;
    background: rgba(0, 210, 85, 0.06);
    border-left: 3px solid var(--primary);
    border-radius: 0 8px 8px 0;
    color: var(--text-muted);
    font-size: 0.88rem;
    line-height: 1.7;
}

/* 지역별 QR 카드 섹션 */
.seminar-qr-section {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem 1.5rem 4rem;
    box-sizing: border-box;
}
.seminar-qr-heading {
    text-align: center;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 2rem;
    letter-spacing: 0.05em;
}
.seminar-qr-grid {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    width: 100%;
    box-sizing: border-box;
}
.qr-card {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-direction: column;
    flex-direction: column;
    align-items: center;
    gap: 0.9rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.6rem 1.4rem;
    width: 180px;
    box-sizing: border-box;
    transition: border-color 0.3s ease, transform 0.3s ease;
}
.qr-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}
.qr-card-pending {
    border-color: rgba(240, 160, 0, 0.35);
}
.qr-date {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--primary);
    text-align: center;
    white-space: nowrap;
}
.qr-image-wrap {
    width: 130px;
    height: 130px;
    display: -ms-flexbox;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-sizing: border-box;
}
.qr-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}
.qr-placeholder {
    background: rgba(240, 160, 0, 0.08);
    border: 1px dashed rgba(240, 160, 0, 0.5);
    flex-direction: column;
    gap: 0.4rem;
}
.qr-placeholder i {
    font-size: 2rem;
    color: #f0a000;
}
.qr-placeholder p {
    font-size: 0.8rem;
    color: #f0a000;
    font-weight: 600;
    text-align: center;
    margin: 0;
}
.qr-region {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-main);
    text-align: center;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
    .seminar-grid {
        grid-template-columns: 1fr;
    }
    .seminar-target-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .qr-card {
        width: 160px;
    }
    .qr-image-wrap {
        width: 110px;
        height: 110px;
    }
}
@media (max-width: 600px) {
    .seminar-main-image {
        padding: 2.5rem 1rem 0;
    }
    .seminar-target-grid {
        grid-template-columns: 1fr;
    }
    .seminar-fee-row {
        -ms-flex-direction: column;
        flex-direction: column;
        gap: 0.5rem;
    }
    .schedule-date {
        min-width: 82px;
    }
    .seminar-qr-grid {
        gap: 1rem;
    }
    .qr-card {
        width: calc(50% - 0.5rem);
        min-width: 130px;
    }
    .qr-image-wrap {
        width: 100px;
        height: 100px;
    }
}

/* ===== Windows Chrome 레이아웃 보정 ===== */
.seminar-section,
.seminar-content-wrap,
.seminar-qr-section,
.seminar-grid,
.seminar-card {
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}
.seminar-content-wrap {
    width: 100%;
}
.seminar-grid {
    width: 100%;
}

/* ===== 세미나 특별 혜택 배너 ===== */
.seminar-benefit-banner {
    max-width: 900px;
    margin: 0 auto 2.5rem;
    padding: 0 1.5rem;
}

.benefit-banner-inner {
    background: rgba(30, 24, 10, 0.7);
    border: 1px solid rgba(200, 150, 50, 0.35);
    border-left: 3px solid rgba(200, 150, 50, 0.7);
    border-radius: 10px;
    padding: 1.6rem 2rem;
    position: relative;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.35);
}

.benefit-badge {
    display: inline-block;
    background: rgba(200, 150, 50, 0.15);
    border: 1px solid rgba(200, 150, 50, 0.4);
    color: #c89640;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    border-radius: 30px;
    padding: 0.25rem 0.9rem;
    margin-bottom: 0.9rem;
}

.benefit-main {
    font-size: 0.97rem;
    font-weight: 600;
    color: #d4b870;
    line-height: 1.65;
    margin-bottom: 0;
}

.benefit-divider {
    width: 100%;
    height: 1px;
    background: rgba(200, 150, 50, 0.2);
    margin: 1rem 0;
}

.benefit-body {
    font-size: 0.9rem;
    color: #b8a06a;
    line-height: 1.85;
    margin-bottom: 0;
}

.benefit-body em {
    font-style: normal;
    color: #c8a855;
    font-weight: 600;
}

.benefit-body strong {
    color: #c8a855;
    font-weight: 600;
}

.benefit-price {
    color: #d4b870 !important;
    font-weight: 700;
}

.benefit-note {
    font-size: 0.82rem;
    color: #8a7040;
    display: block;
    margin-top: 0.4rem;
}

@media (max-width: 600px) {
    .benefit-banner-inner {
        padding: 1.2rem 1.1rem;
    }
    .benefit-main {
        font-size: 0.92rem;
    }
    .benefit-body {
        font-size: 0.85rem;
    }
}