/* ========================================
   홈페이지 전용 스타일 - 트렌디하고 화려한 디자인
   ======================================== */

/* 파티클 캔버스 */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* 메인 히어로 섹션 */
.hero-main {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, #003C71 0%, #0A5599 100%);
    margin-top: 88px;
}

.hero-gradient-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 60, 113, 0.3), transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 107, 53, 0.3), transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(255, 140, 66, 0.2), transparent 50%);
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.1) rotate(5deg); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 24px;
    max-width: 1000px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 32px;
    animation: floatBadge 3s ease-in-out infinite;
}

@keyframes floatBadge {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #FF8C42;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-main-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.title-gradient {
    background: linear-gradient(135deg, #ffffff 0%, #f0f0f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.2); }
}

.title-outline {
    background: linear-gradient(135deg, #ffffff 0%, #f0f0f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    animation: shimmer 3s ease-in-out infinite;
}

.hero-main-subtitle {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: rgba(255, 255, 255, 0.9);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.8;
    margin-bottom: 48px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 80px;
}

.btn-single {
    min-width: 200px;
    font-size: 1.3rem;
    padding: 20px 50px;
}

.btn-hero {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 36px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-hero:hover::before {
    width: 300px;
    height: 300px;
}

.btn-hero span,
.btn-hero i {
    position: relative;
    z-index: 1;
}

.btn-primary-hero {
    background: linear-gradient(135deg, #FF8C42, #FFB380);
    color: white;
    box-shadow: 0 10px 30px rgba(255, 140, 66, 0.4);
}

.btn-primary-hero:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 140, 66, 0.5);
}

.btn-secondary-hero {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary-hero:hover {
    background: white;
    color: #003C71;
    transform: translateY(-3px);
}

/* 히어로 안내 문구 */
.hero-notice {
    margin-top: 16px;
    margin-bottom: 20px;
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.8rem;
    font-weight: 400;
    font-style: italic;
    text-align: center;
    letter-spacing: 0.02em;
}

.hero-scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    animation: bounce 2s infinite;
}

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

.scroll-mouse {
    width: 28px;
    height: 45px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 15px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 1.5s infinite;
}

@keyframes scrollWheel {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 25px; }
}

/* 히어로 배경 도형 */
.hero-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.3;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #003C71, #0A5599);
    top: -10%;
    left: -5%;
    animation-delay: 0s;
}

.shape-2 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, #FF8C42, #FFB380);
    bottom: -15%;
    right: -10%;
    animation-delay: 5s;
}

.shape-3 {
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, #0A5599, #4A90E2);
    top: 50%;
    left: 50%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(50px, -50px) scale(1.1); }
    66% { transform: translate(-50px, 50px) scale(0.9); }
}

/* 통계 쇼케이스 섹션 */
.stats-showcase {
    padding: 80px 0;
    background: linear-gradient(180deg, #f8f9ff 0%, #ffffff 100%);
    position: relative;
    margin-top: -50px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.stat-card {
    position: relative;
    background: white;
    border-radius: 20px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.stat-card:hover::before {
    transform: scaleX(1);
}

.stat-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 60, 113, 0.3);
}

.stat-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, #003C71, #0A5599);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    transition: all 0.4s ease;
}

.stat-card:hover .stat-icon {
    transform: rotateY(360deg);
}

.stat-content {
    position: relative;
    z-index: 1;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, #003C71, #0A5599);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: 6px;
    line-height: 1;
}

.stat-label {
    font-size: 1rem;
    font-weight: 700;
    color: #1d1d1f;
    margin-bottom: 6px;
}

.stat-description {
    font-size: 0.85rem;
    color: #6e6e73;
}

.stat-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.1), transparent);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.stat-card:hover .stat-glow {
    opacity: 1;
}

/* 소개 섹션 */
.about-section {
    padding: 100px 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-subtitle {
    display: inline-block;
    font-size: 0.9rem;
    font-weight: 700;
    color: #003C71;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 16px;
    position: relative;
    padding-bottom: 8px;
}

.section-subtitle::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, #667eea, #764ba2);
}

.section-title-modern {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    color: #1d1d1f;
    letter-spacing: -0.02em;
    margin: 0;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.about-card {
    position: relative;
    padding: 50px 40px;
    border-radius: 30px;
    background: white;
    transition: all 0.4s ease;
    overflow: hidden;
}

.about-card-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.about-card:hover .about-card-bg {
    opacity: 1;
}

.about-icon-wrapper {
    margin-bottom: 30px;
}

.about-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #003C71, #0A5599);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    transition: all 0.4s ease;
    box-shadow: 0 10px 30px rgba(0, 60, 113, 0.3);
}

.about-card:hover .about-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 15px 40px rgba(0, 60, 113, 0.4);
}

.about-card h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #1d1d1f;
    margin-bottom: 16px;
}

.about-card p {
    font-size: 1rem;
    color: #6e6e73;
    line-height: 1.8;
}

.card-border {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 2px solid transparent;
    border-radius: 30px;
    background: linear-gradient(135deg, #667eea, #764ba2) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.about-card:hover .card-border {
    opacity: 1;
}

/* 연구 분야 섹션 */
.research-section {
    padding: 100px 0;
    position: relative;
    background: linear-gradient(135deg, #FF7A2F, #FFA566);
    overflow: hidden;
}

.research-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(0, 0, 0, 0.1), transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(0, 0, 0, 0.1), transparent 40%);
}

.research-section .section-subtitle {
    color: rgba(255, 255, 255, 0.9);
}

.research-section .section-title-modern {
    color: white;
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
}

.research-card {
    position: relative;
    padding: 40px 30px;
    background: linear-gradient(145deg, #ffffff, #f5f5f5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 24px;
    transition: all 0.4s ease;
    overflow: hidden;
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.8),
        inset 0 -1px 0 rgba(0, 0, 0, 0.05);
}

.research-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 140, 66, 0.05), rgba(255, 179, 128, 0.05));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.research-card:hover::before {
    opacity: 1;
}

.research-card:hover {
    transform: translateY(-10px);
    border-color: rgba(255, 255, 255, 0.8);
    box-shadow: 
        0 20px 60px rgba(255, 140, 66, 0.25),
        0 5px 15px rgba(0, 0, 0, 0.1),
        inset 0 2px 0 rgba(255, 255, 255, 0.9),
        inset 0 -2px 0 rgba(0, 0, 0, 0.1);
}

.research-number {
    display: none;
}

.research-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(145deg, #0A5599, #003C71);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
    transition: all 0.4s ease;
    box-shadow: 
        0 8px 20px rgba(0, 60, 113, 0.3),
        inset 0 2px 0 rgba(255, 255, 255, 0.2),
        inset 0 -2px 0 rgba(0, 0, 0, 0.2);
}

.research-card:hover .research-icon {
    transform: translateY(-8px) scale(1.08);
    box-shadow: 
        0 15px 40px rgba(255, 122, 47, 0.4),
        0 8px 20px rgba(0, 60, 113, 0.3),
        inset 0 3px 0 rgba(255, 255, 255, 0.3),
        inset 0 -3px 0 rgba(0, 0, 0, 0.3);
    background: linear-gradient(145deg, #4A90E2, #0A5599);
}

.research-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1d1d1f;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

.research-card p {
    font-size: 0.95rem;
    color: #4a4a4a;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* 최근 소식 섹션 */
.news-section {
    padding: 100px 0;
    background: white;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.news-card {
    background: white;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
}

.news-content-full {
    padding: 40px 30px;
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 60, 113, 0.2);
}

.news-image {
    position: relative;
    height: 200px;
    background: linear-gradient(135deg, #003C71, #0A5599);
    display: flex;
    align-items: center;
    justify-content: center;
}

.news-image-book {
    background: #f5f5f7;
    overflow: hidden;
}

.news-image-book img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.news-card:hover .news-image-book img {
    transform: scale(1.1);
}

.news-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: white;
}

.date-day {
    font-size: 3rem;
    font-weight: 900;
    line-height: 1;
}

.date-month {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.news-content {
    padding: 30px;
}

.news-tag {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(135deg, rgba(0, 60, 113, 0.1), rgba(255, 140, 66, 0.1));
    color: #003C71;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
    position: relative;
    overflow: hidden;
}

.news-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 140, 66, 0.3), transparent);
    transition: left 0.6s ease;
}

.news-card:hover .news-tag::before {
    left: 100%;
}

.news-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1d1d1f;
    margin-bottom: 12px;
    line-height: 1.4;
    position: relative;
    background: linear-gradient(135deg, #003C71, #FF8C42, #003C71);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: newsCardShine 4s ease-in-out infinite;
    transition: all 0.3s ease;
}

@keyframes newsCardShine {
    0%, 100% {
        background-position: 0% center;
    }
    50% {
        background-position: 100% center;
    }
}

.news-card:hover h3 {
    animation: newsCardShine 1.5s ease-in-out infinite;
    transform: scale(1.02);
}

.news-content p {
    font-size: 0.95rem;
    color: #6e6e73;
    line-height: 1.7;
    margin-bottom: 20px;
}

.news-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #003C71;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.news-link:hover {
    gap: 12px;
    color: #FF8C42;
}

.news-link i {
    transition: transform 0.3s ease;
}

.news-link:hover i {
    transform: translateX(5px);
}

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

.btn-modern {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 40px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn-modern:hover::before {
    left: 100%;
}

.btn-primary-modern {
    background: linear-gradient(135deg, #003C71, #0A5599);
    color: white;
    box-shadow: 0 10px 30px rgba(0, 60, 113, 0.3);
}

.btn-primary-modern:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 60, 113, 0.4);
}

/* CTA 섹션 */
.cta-section {
    position: relative;
    padding: 120px 0;
    overflow: hidden;
    background: #1d1d1f;
}

.cta-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #003C71, #0A5599);
    opacity: 0.9;
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: white;
}

.cta-content h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.cta-content p {
    font-size: clamp(1rem, 2vw, 1.3rem);
    margin-bottom: 48px;
    line-height: 1.8;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 36px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-white {
    background: white;
    color: #003C71;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.btn-white:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.btn-outline-white {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-outline-white:hover {
    background: white;
    color: #003C71;
    transform: translateY(-3px);
}

/* AOS 애니메이션 커스터마이징 */
[data-aos="fade-up"] {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="fade-up"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos="fade-down"] {
    opacity: 0;
    transform: translateY(-50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="fade-down"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos="fade-left"] {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="fade-left"].aos-animate {
    opacity: 1;
    transform: translateX(0);
}

[data-aos="fade-right"] {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="fade-right"].aos-animate {
    opacity: 1;
    transform: translateX(0);
}

[data-aos="zoom-in"] {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="zoom-in"].aos-animate {
    opacity: 1;
    transform: scale(1);
}

[data-aos="flip-left"] {
    opacity: 0;
    transform: perspective(600px) rotateY(-45deg);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="flip-left"].aos-animate {
    opacity: 1;
    transform: perspective(600px) rotateY(0);
}

[data-aos="fade"] {
    opacity: 0;
    transition: opacity 0.6s ease;
}

[data-aos="fade"].aos-animate {
    opacity: 1;
}

/* 반응형 디자인 */
@media (max-width: 768px) {
    .hero-main {
        min-height: 90vh;
        margin-top: 72px;
    }
    
    .hero-main-title {
        font-size: 2.5rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn-hero {
        width: 100%;
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .research-grid {
        grid-template-columns: 1fr;
    }
    
    .research-grid .research-card:nth-child(4),
    .research-grid .research-card:nth-child(5) {
        grid-column: 1;
        max-width: 100%;
        margin: 0;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn-cta {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .section-title-modern {
        font-size: 2rem;
    }
    
    .stat-card {
        padding: 30px 20px;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .about-card {
        padding: 40px 30px;
    }
    
    .research-card {
        padding: 30px 20px;
    }
}

/* Contact 섹션 */
.contact-section {
    padding: 100px 0;
    background: linear-gradient(180deg, #ffffff 0%, #f8f9ff 100%);
}

.section-description {
    text-align: center;
    font-size: 1.1rem;
    color: #6e6e73;
    margin-top: 16px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 80px;
}

/* 연락처 정보 */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-info-card {
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.contact-info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 60, 113, 0.15);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #003C71, #0A5599);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.contact-info-card:hover .contact-icon {
    transform: scale(1.1) rotate(5deg);
}

.contact-info-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #1d1d1f;
    margin-bottom: 12px;
}

.contact-info-card p {
    font-size: 1rem;
    color: #6e6e73;
    line-height: 1.6;
    margin: 4px 0;
}

.text-secondary {
    font-size: 0.9rem !important;
    color: #8b8b8f !important;
}

/* 문의 폼 */
.contact-form-wrapper {
    background: white;
    padding: 50px;
    border-radius: 24px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.95rem;
    font-weight: 600;
    color: #1d1d1f;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 18px;
    border: 2px solid #e5e5e7;
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    color: #1d1d1f;
    transition: all 0.3s ease;
    background: #f8f9ff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #003C71;
    background: white;
    box-shadow: 0 0 0 4px rgba(0, 60, 113, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.btn-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 18px 40px;
    background: linear-gradient(135deg, #003C71, #0A5599);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-submit::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn-submit:hover::before {
    left: 100%;
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 60, 113, 0.3);
}

.btn-submit:active {
    transform: translateY(-1px);
}

/* 지원 섹션 */
.support-section {
    text-align: center;
    padding: 60px 40px;
    background: white;
    border-radius: 24px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.support-section h3 {
    font-size: 2.2rem;
    font-weight: 700;
    color: #1d1d1f;
    margin-bottom: 16px;
}

.support-section > p {
    font-size: 1.1rem;
    color: #6e6e73;
    margin-bottom: 48px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.support-card {
    padding: 40px 30px;
    background: linear-gradient(180deg, #f8f9ff, white);
    border-radius: 20px;
    border: 2px solid #e5e5e7;
    transition: all 0.3s ease;
}

.support-card:hover {
    border-color: #003C71;
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 60, 113, 0.15);
}

.support-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #FF8C42, #FFB380);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin: 0 auto 24px;
    transition: all 0.3s ease;
}

.support-card:hover .support-icon {
    transform: scale(1.1) rotate(-5deg);
}

.support-card h4 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #1d1d1f;
    margin-bottom: 12px;
}

.support-card p {
    font-size: 0.95rem;
    color: #6e6e73;
    line-height: 1.7;
}

/* 푸터 - 간결한 중앙 정렬 디자인 */
footer {
    background: #3a4047;
    color: white;
    padding: 40px 0 30px;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 25px;
}

.footer-left {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer-logo {
    width: auto;
    height: 80px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

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

.footer-right p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    margin: 6px 0;
    line-height: 1.6;
}

.scroll-to-top {
    width: 50px;
    height: 50px;
    background: #C65D21;
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 15px auto 0;
}

.scroll-to-top:hover {
    background: #D67842;
    transform: scale(1.1);
}

/* 반응형 */
@media (max-width: 992px) {
    .footer-container {
        padding: 0 24px;
    }
    
    .footer-logo {
        height: 70px;
    }
    
    .footer-text h2 {
        font-size: 1.1rem;
    }
    
    .footer-middle p {
        font-size: 0.9rem;
    }
    
    .footer-right p {
        font-size: 0.8rem;
    }
}

@media (max-width: 768px) {
    .footer-container {
        padding: 0 24px;
    }
    
    .footer-text h2 {
        font-size: 1rem;
    }
    
    .footer-middle p {
        font-size: 0.85rem;
    }
    
    .footer-right p {
        font-size: 0.75rem;
    }
}
@media (max-width: 992px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-form-wrapper {
        padding: 40px 30px;
    }
}

@media (max-width: 768px) {
    .support-section {
        padding: 40px 24px;
    }
    
    .support-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrapper {
        padding: 30px 20px;
    }
}