/* Index Page Version 4 - Compact Solutions with Rotating Images */
/* 2025년 12월 디자인 개선 버전 */

/* Variables - site.css와 동기화 */
:root {
    --primary-color: #2563eb;
    --primary-light: #60a5fa;
    --primary-dark: #1d4ed8;
    --secondary-color: #22c55e;
    --accent-color: #f97316;
    --text-dark: #111827;
    --text-light: #6b7280;
    --text-muted: #9ca3af;
    --bg-light: #f8fafc;
    --bg-lighter: #f1f5f9;
    --dark-color: #1f2937;
}

/* Hero Section Styles */
.hero-section {
    position: relative;
    height: 100vh;
    overflow: hidden;
    width: 100%;
    margin: 0;
    padding: 0;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    background-size: cover;
    background-position: center;
}

.hero-slide.active {
    opacity: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 10;
    height: 100%;
    color: white;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

/* 히어로 텍스트 래퍼 스타일 */
.hero-text-wrapper {
    position: absolute;
    width: 90%;
    text-align: center;
    transition: all 0.3s ease;
}

/* 배경 로고 스타일 */
.hero-bg-logo {
    position: absolute;
    z-index: 5;
    transition: all 0.3s ease;
}

.hero-bg-logo img {
    width: 100%;  /* 부모 요소의 크기를 상속받도록 변경 */
    height: 100%; /* 부모 요소의 크기를 상속받도록 변경 */
    object-fit: contain; /* 비율 유지하면서 크기 조정 */
    /* opacity는 Index.razor에서 동적으로 설정됨 */
    /* filter는 GetVisualEffectStyle()에서 처리됨 */
}

.hero-title {
    font-size: 3.75rem;
    margin-bottom: 1.25rem;
    font-weight: 800;
    animation: fadeInUp 0.8s ease;
    letter-spacing: -0.03em;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.75rem;
    margin-bottom: 1.25rem;
    font-weight: 500;
    animation: fadeInUp 0.8s ease 0.15s;
    animation-fill-mode: both;
    letter-spacing: -0.01em;
    opacity: 0.95;
}

.hero-description {
    font-size: 1.15rem;
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    animation: fadeInUp 0.8s ease 0.3s;
    animation-fill-mode: both;
    line-height: 1.7;
    opacity: 0.9;
}

/* Paradigm Section V2 - 2025년 12월 개선 */
.paradigm-section-v2 {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--bg-light) 0%, #ffffff 100%);
}

.paradigm-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.section-label {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 8px 24px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 24px;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
}

.section-title-v2 {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
    line-height: 1.25;
}

.section-desc {
    font-size: 1.125rem;
    color: var(--text-light);
    max-width: 680px;
    margin: 0 auto;
    line-height: 1.7;
}

.paradigm-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.paradigm-card-v2 {
    background: white;
    border-radius: 20px;
    padding: 48px 32px;
    text-align: center;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.04), 0 10px 24px rgba(0, 0, 0, 0.08);
    border: 2px solid transparent;
    opacity: 1 !important;
    visibility: visible !important;
    display: block;
    pointer-events: auto !important;
}

/* 비활성 카드 스타일 - 투명도 절대 변경하지 않음 */
.paradigm-grid.has-active .paradigm-card-v2:not(.active) {
    opacity: 1 !important;  /* 투명도 강제 유지 */
    transform: scale(0.98);
    visibility: visible !important;
    pointer-events: auto !important;
    filter: none !important;
    transition: transform 0.3s ease !important;  /* 투명도 트랜지션 제거 */
}

.paradigm-grid.has-active .paradigm-card-v2:not(.active):hover {
    opacity: 1 !important;  /* 투명도 강제 유지 */
    transform: translateY(-5px) scale(1);
    visibility: visible !important;
    filter: none !important;
}

.paradigm-card-v2:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12), 0 24px 48px rgba(37, 99, 235, 0.1);
    border-color: var(--primary-light);
    opacity: 1 !important;
    visibility: visible !important;
    filter: none !important;
}

.paradigm-card-v2.active {
    background: white;
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 15px 35px rgba(0, 86, 179, 0.25), 0 0 0 4px rgba(37, 99, 235, 0.1);
    border: 3px solid var(--primary-color);
    position: relative;
    opacity: 1 !important;
    visibility: visible !important;
    z-index: 10;
    animation: cardSelected 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* 카드 선택 시 바운스 애니메이션 */
@keyframes cardSelected {
    0% { transform: translateY(0) scale(1); }
    40% { transform: translateY(-12px) scale(1.05); }
    70% { transform: translateY(-3px) scale(1.01); }
    100% { transform: translateY(-5px) scale(1.02); }
}

/* 선택된 카드 글로우 펄스 효과 */
.paradigm-card-v2.active::before {
    animation: glowPulse 2s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.4);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(37, 99, 235, 0);
        transform: scale(1.1);
    }
}

.paradigm-card-v2.active::before {
    content: '';
    position: absolute;
    top: -10px;
    right: -10px;
    width: 30px;
    height: 30px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.paradigm-card-v2.active::after {
    content: '✓';
    position: absolute;
    top: -10px;
    right: -10px;
    width: 30px;
    height: 30px;
    color: white;
    font-size: 18px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.paradigm-card-v2.active .card-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    transform: scale(1.1);
    animation: iconBounce 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* 아이콘 선택 시 바운스 */
@keyframes iconBounce {
    0% { transform: scale(1) rotate(0deg); }
    30% { transform: scale(1.2) rotate(-5deg); }
    60% { transform: scale(1.05) rotate(3deg); }
    100% { transform: scale(1.1) rotate(0deg); }
}

/* 카드 기본 설정 */
.paradigm-card-v2 {
    overflow: hidden;
}

/* 비활성 카드에만 리플 효과 적용 */
.paradigm-card-v2:not(.active)::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: width 0.5s ease-out, height 0.5s ease-out, opacity 0.5s ease-out;
    pointer-events: none;
    z-index: 0;
}

.paradigm-card-v2:not(.active):active::after {
    width: 400px;
    height: 400px;
    opacity: 1;
    transition: width 0s, height 0s, opacity 0s;
}

.paradigm-card-v2.active .card-title {
    color: var(--primary-color);
    font-weight: 800;
}

.paradigm-card-v2.active .card-desc {
    color: var(--text-dark);
    font-weight: 500;
}

.card-icon {
    width: 88px;
    height: 88px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.25rem;
    color: white;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
}

.paradigm-card-v2:hover .card-icon {
    transform: scale(1.08);
    box-shadow: 0 12px 28px rgba(37, 99, 235, 0.35);
}

/* SVG 아이콘 스타일 */
.card-icon-svg {
    padding: 16px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
}

.card-icon-svg img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: brightness(0) invert(1); /* 흰색으로 변환 */
}

.paradigm-card-v2.active .card-icon-svg img {
    filter: brightness(0) invert(1);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.card-desc {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.6;
}

.card-hover-content {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
    transition: all 0.3s;
    z-index: 10;
}

.card-hover-content.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(10px);
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.feature-list li {
    padding: 8px 0;
    color: var(--text-light);
}

/* Paradigm Detail Section - 개선된 디자인 */
.paradigm-detail-section {
    margin-top: 40px;  /* 상단 여백 축소 80px -> 40px */
    display: none;
    animation: fadeInUp 0.5s ease;
    padding: 40px 20px;  /* 패딩 대폭 축소 */
    background: linear-gradient(135deg, rgba(245, 247, 250, 0.5) 0%, rgba(195, 207, 226, 0.3) 100%);
    border-radius: 20px;  /* 둥글기 축소 */
}

/* 선택된 카드가 있을 때 표시 */
.paradigm-grid.has-active ~ .paradigm-detail-section {
    display: block;
}

.detail-content {
    background: white;
    border-radius: 20px;
    padding: 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

/* 카드 그리드 레이아웃 - 크기 축소 */
.feature-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;  /* 간격 축소 40px -> 20px */
    max-width: 1200px;  /* 최대 너비 축소 1400px -> 1200px */
    margin: 0 auto;
}

.feature-detail-card {
    padding: 25px;  /* 패딩 대폭 축소 45px -> 25px */
    position: relative;
    transition: all 0.3s;
    background: white;
    border-radius: 15px;  /* 둥글기 약간 축소 */
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-detail-card:last-child {
    border-right: none;
}

.feature-detail-card:hover {
    transform: translateY(-3px);  /* 호버 효과 축소 */
    box-shadow: 0 10px 25px rgba(0, 86, 179, 0.12);
}

/* 아이콘 디자인 - 크기 축소 */
.detail-icon {
    width: 50px;  /* 크기 대폭 축소 80px -> 50px */
    height: 50px;
    margin-bottom: 15px;  /* 여백 축소 */
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    border-radius: 12px;  /* 둥글기 축소 */
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;  /* 아이콘 크기 축소 2rem -> 1.25rem */
    box-shadow: 0 5px 15px rgba(0, 86, 179, 0.2);
    transition: all 0.3s;
}

.feature-detail-card:hover .detail-icon {
    transform: scale(1.1) rotate(3deg);  /* 호버 효과 축소 */
    box-shadow: 0 8px 20px rgba(0, 86, 179, 0.25);
}

/* 상세 카드 PNG/SVG 아이콘 스타일 */
.detail-icon-svg {
    padding: 5px;
    background: white !important;
    border: 2px solid var(--primary-light);
}

.detail-icon-svg img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: none !important; /* PNG 이미지는 필터 적용 안함 */
}

.detail-icon-svg svg {
    width: 100% !important;
    height: 100% !important;
    color: #3b82f6 !important;
    fill: #3b82f6 !important;
}

.detail-icon.detail-icon-svg {
    background: white !important;
    border: 2px solid #3b82f6;
}

/* 제목 및 설명 - 크기 축소 */
.detail-title {
    font-size: 1.1rem;  /* 크기 축소 1.5rem -> 1.1rem */
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;  /* 여백 축소 */
}

.detail-desc {
    font-size: 0.9rem;  /* 크기 축소 1.125rem -> 0.9rem */
    color: var(--text-light);
    line-height: 1.5;  /* 줄 간격 축소 */
    margin-bottom: 15px;  /* 여백 축소 */
}

/* 추가 정보 리스트 */
.detail-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.detail-features li {
    padding: 8px 0;  /* 패딩 축소 12px -> 8px */
    color: var(--text-light);
    font-size: 0.85rem;  /* 크기 축소 1.1rem -> 0.85rem */
    display: flex;
    align-items: center;
    gap: 10px;  /* 간격 축소 */
    transition: all 0.2s;
}

.detail-features li:hover {
    color: var(--primary-color);
    transform: translateX(8px);
}

.detail-features li i {
    color: var(--secondary-color);
    font-size: 0.9rem;  /* 아이콘 크기 축소 1.3rem -> 0.9rem */
    width: 18px;  /* 너비 축소 */
    text-align: center;
}

/* 구분선 스타일 */
.detail-divider {
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(0, 86, 179, 0.15), transparent);
    margin: 25px 0;
}

/* 강조 배지 */
.detail-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    color: white;
    padding: 5px 15px;  /* 패딩 축소 */
    border-radius: 15px;  /* 둥글기 축소 */
    font-size: 0.8rem;  /* 크기 축소 */
    font-weight: 600;
    margin-bottom: 12px;  /* 여백 축소 */
    box-shadow: 0 3px 10px rgba(0, 86, 179, 0.15);
}

/* 통합관리 섹션 특별 스타일 */
.detail-content[data-paradigm="0"] .feature-detail-card:nth-child(1) .detail-icon {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
}

.detail-content[data-paradigm="0"] .feature-detail-card:nth-child(2) .detail-icon {
    background: linear-gradient(135deg, #10b981, #059669);
}

.detail-content[data-paradigm="0"] .feature-detail-card:nth-child(3) .detail-icon {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

/* 업무 표준화 섹션 특별 스타일 */
.detail-content[data-paradigm="1"] .feature-detail-card:nth-child(1) .detail-icon {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.detail-content[data-paradigm="1"] .feature-detail-card:nth-child(2) .detail-icon {
    background: linear-gradient(135deg, #ec4899, #db2777);
}

.detail-content[data-paradigm="1"] .feature-detail-card:nth-child(3) .detail-icon {
    background: linear-gradient(135deg, #06b6d4, #0891b2);
}

/* 경쟁력 강화 섹션 특별 스타일 */
.detail-content[data-paradigm="2"] .feature-detail-card:nth-child(1) .detail-icon {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

.detail-content[data-paradigm="2"] .feature-detail-card:nth-child(2) .detail-icon {
    background: linear-gradient(135deg, #84cc16, #65a30d);
}

.detail-content[data-paradigm="2"] .feature-detail-card:nth-child(3) .detail-icon {
    background: linear-gradient(135deg, #14b8a6, #0d9488);
}

/* 반응형 디자인 - 패러다임 상세 섹션 */
@media (max-width: 1200px) {
    .feature-cards-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .feature-detail-card {
        border-right: none;
    }
    
    .paradigm-detail-section {
        padding: 60px 30px;
    }
}

@media (max-width: 768px) {
    .paradigm-detail-section {
        margin-top: 50px;
        padding: 40px 20px;
    }
    
    .feature-detail-card {
        padding: 35px;
    }
    
    .detail-icon {
        width: 70px;
        height: 70px;
        font-size: 1.75rem;
    }
    
    .detail-title {
        font-size: 1.35rem;
    }
    
    .detail-desc {
        font-size: 1.05rem;
    }
    
    .detail-features li {
        font-size: 1rem;
    }
    
    .detail-title {
        font-size: 1.1rem;
    }
    
    .detail-desc {
        font-size: 0.95rem;
    }
    
    .detail-features li {
        font-size: 0.9rem;
        padding: 8px 0;
    }
}

/* Paradigm Detail Section - Old Style (Removed) */
.paradigm-detail-section {
    margin-top: 50px;
    padding: 40px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    animation: fadeInUp 0.5s ease;
    border: 2px solid var(--primary-light);
    position: relative;
}

.paradigm-detail-section::before {
    content: '• 선택된 항목의 상세 내용';
    position: absolute;
    top: -15px;
    left: 30px;
    background: var(--primary-color);
    color: white;
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.detail-content {
    max-width: 800px;
    margin: 0 auto;
}

.feature-list-main {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.feature-list-main li {
    display: flex;
    align-items: center;
    padding: 18px;
    background: white;
    border-radius: 12px;
    transition: all 0.3s;
    border: 2px solid var(--primary-light);
    position: relative;
    overflow: hidden;
}

.feature-list-main li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 5px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    transition: width 0.3s;
}

.feature-list-main li:hover {
    transform: translateX(10px);
    box-shadow: 0 8px 20px rgba(0, 86, 179, 0.2);
    background: linear-gradient(135deg, white, #f0f9ff);
}

.feature-list-main li:hover::before {
    width: 100%;
    opacity: 0.1;
}

.feature-list-main li i {
    font-size: 1.25rem;
    color: var(--secondary-color);
    margin-right: 15px;
    min-width: 25px;
}

/* Compact Solutions Section with Rotating Images - 2025년 12월 개선 */
.solutions-section-compact {
    padding: 100px 0;
    background: linear-gradient(180deg, #ffffff 0%, var(--bg-light) 100%);
    min-height: auto;
    display: flex;
    align-items: center;
}

.solutions-container-compact {
    width: 100%;
    max-width: 1200px; /* 최대 너비를 1200px로 축소 */
    margin: 0 auto; /* 중앙 정렬 */
    padding: 0 180px; /* 양쪽 패딩을 180px로 더 증가시켜 좌우 길이 축소 */
}

.solutions-showcase-compact {
    display: grid;
    grid-template-columns: 1fr 350px; /* 이미지 영역을 350px로 더 축소 */
    gap: 40px; /* 간격을 40px로 더 축소 */
    align-items: center;
    margin-top: 50px;
    max-width: 100%; /* 부모 컨테이너 너비에 맞춤 */
    margin-left: auto;
    margin-right: auto;
}

/* Solutions Cards Area */
.solutions-cards-area {
    display: flex;
    flex-direction: column;
    gap: 15px; /* 카드 간 간격 축소 */
}

.solution-card-compact {
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 20px;
    padding: 28px 32px;
    display: flex;
    align-items: center;
    gap: 24px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);
}

.solution-card-compact::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    transition: width 0.3s;
}

.solution-card-compact:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1), 0 16px 40px rgba(37, 99, 235, 0.12);
    border-color: var(--primary-light);
}

.solution-card-compact:hover::before {
    width: 8px;
}

.card-header-compact {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-width: 100px;
}

.card-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
}

.card-badge.new {
    background: linear-gradient(135deg, #10b981, #059669);
}

.card-badge.special {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.card-icon-compact {
    font-size: 3rem;
    color: var(--primary-color);
    transition: all 0.3s;
}

.solution-card-compact:hover .card-icon-compact {
    transform: scale(1.1);
    color: var(--primary-light);
}

.card-body-compact {
    flex: 1;
}

.card-body-compact h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.card-body-compact p {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-bottom: 15px;
}

.solution-btn-compact {
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.solution-btn-compact:hover {
    transform: translateY(-2px);
}

.solution-btn-compact i {
    font-size: 0.85rem;
    transition: transform 0.3s;
}

.solution-btn-compact:hover i {
    transform: translateX(3px);
}

/* ====================================================
   솔루션 카드별 차별화된 테마 - 2025년 12월 추가
   ==================================================== */

/* 시내/시외버스 ERP - 블루 테마 */
.solution-card-blue::before {
    background: linear-gradient(135deg, #2563eb, #3b82f6) !important;
}

.solution-card-blue .card-icon-compact {
    color: #2563eb !important;
}

.solution-card-blue:hover {
    border-color: #60a5fa !important;
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.2), 0 16px 40px rgba(37, 99, 235, 0.15) !important;
}

.solution-card-blue:hover .card-icon-compact {
    color: #60a5fa !important;
}

.solution-card-blue .solution-btn-compact {
    background: linear-gradient(135deg, #2563eb, #3b82f6) !important;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25) !important;
}

.solution-card-blue .solution-btn-compact:hover {
    background: linear-gradient(135deg, #1d4ed8, #2563eb) !important;
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35) !important;
}

/* 전세/관광버스 ERP - 그린 테마 */
.solution-card-green::before {
    background: linear-gradient(135deg, #059669, #10b981) !important;
}

.solution-card-green .card-icon-compact {
    color: #059669 !important;
}

.solution-card-green:hover {
    border-color: #34d399 !important;
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.2), 0 16px 40px rgba(16, 185, 129, 0.15) !important;
}

.solution-card-green:hover .card-icon-compact {
    color: #34d399 !important;
}

.solution-card-green .solution-btn-compact {
    background: linear-gradient(135deg, #059669, #10b981) !important;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25) !important;
}

.solution-card-green .solution-btn-compact:hover {
    background: linear-gradient(135deg, #047857, #059669) !important;
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35) !important;
}

/* 장애인택시 ERP - 오렌지/앰버 테마 */
.solution-card-orange::before {
    background: linear-gradient(135deg, #d97706, #f59e0b) !important;
}

.solution-card-orange .card-icon-compact {
    color: #d97706 !important;
}

.solution-card-orange:hover {
    border-color: #fbbf24 !important;
    box-shadow: 0 8px 24px rgba(245, 158, 11, 0.2), 0 16px 40px rgba(245, 158, 11, 0.15) !important;
}

.solution-card-orange:hover .card-icon-compact {
    color: #fbbf24 !important;
}

.solution-card-orange .solution-btn-compact {
    background: linear-gradient(135deg, #d97706, #f59e0b) !important;
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.25) !important;
}

.solution-card-orange .solution-btn-compact:hover {
    background: linear-gradient(135deg, #b45309, #d97706) !important;
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35) !important;
}

/* 카드 호버 시 아이콘 애니메이션 강화 */
.solution-card-compact:hover .card-icon-compact {
    animation: iconPulse 0.5s ease;
}

@keyframes iconPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.15); }
    100% { transform: scale(1.1); }
}

/* Animated Triangle Images Container - 애니메이션 삼각형 배치 */
.rotating-images-container {
    position: relative;
    height: 320px;  /* 컨테이너 높이 조정 */
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: visible;
    perspective: 1000px; /* 3D 효과를 위한 perspective 추가 */
}

.rotating-wrapper {
    position: relative;
    width: 300px;  /* 컨테이너 너비 조정 */
    height: 300px; /* 컨테이너 높이 조정 */
    transform-style: preserve-3d; /* 3D 변환 보존 */
}

/* 이미지 기본 스타일 - 삼각형 배치용 - GPU 가속 최적화 */
.rotating-image-item {
    position: absolute;
    width: 160px;
    height: 160px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.8);
    background: white;
    /* GPU 가속을 위한 최적화 */
    will-change: transform, opacity;
    transform: translateZ(0);
    backface-visibility: hidden;
    /* 부드러운 전환 - cubic-bezier 사용 */
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 삼각형 배치 - 캐러셀 위치 교차 애니메이션 */
/* 위치: top-center(0, 70px), bottom-left(112px, 20px), bottom-right(112px, 120px) */
/* 컨테이너 300px 기준, 이미지 160px */
.rotating-image-item:nth-child(1) {
    left: 70px; /* 초기 위치: top-center */
    animation: carouselPos1 9s ease-in-out infinite;
}

.rotating-image-item:nth-child(2) {
    left: 20px; /* 초기 위치: bottom-left */
    animation: carouselPos2 9s ease-in-out infinite;
}

.rotating-image-item:nth-child(3) {
    left: 120px; /* 초기 위치: bottom-right */
    animation: carouselPos3 9s ease-in-out infinite;
}

/* 첫 번째 이미지: TopCenter → BottomRight → BottomLeft → TopCenter */
@keyframes carouselPos1 {
    0%, 5% {
        top: 0;
        left: 70px;
        transform: scale(1.1);
        z-index: 3;
        box-shadow: 0 20px 40px rgba(37, 99, 235, 0.3);
    }
    30%, 38% {
        top: 112px;
        left: 120px;
        transform: scale(1);
        z-index: 1;
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    }
    63%, 71% {
        top: 112px;
        left: 20px;
        transform: scale(1);
        z-index: 2;
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    }
    96%, 100% {
        top: 0;
        left: 70px;
        transform: scale(1.1);
        z-index: 3;
        box-shadow: 0 20px 40px rgba(37, 99, 235, 0.3);
    }
}

/* 두 번째 이미지: BottomLeft → TopCenter → BottomRight → BottomLeft */
@keyframes carouselPos2 {
    0%, 5% {
        top: 112px;
        left: 20px;
        transform: scale(1);
        z-index: 2;
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    }
    30%, 38% {
        top: 0;
        left: 70px;
        transform: scale(1.1);
        z-index: 3;
        box-shadow: 0 20px 40px rgba(37, 99, 235, 0.3);
    }
    63%, 71% {
        top: 112px;
        left: 120px;
        transform: scale(1);
        z-index: 1;
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    }
    96%, 100% {
        top: 112px;
        left: 20px;
        transform: scale(1);
        z-index: 2;
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    }
}

/* 세 번째 이미지: BottomRight → BottomLeft → TopCenter → BottomRight */
@keyframes carouselPos3 {
    0%, 5% {
        top: 112px;
        left: 120px;
        transform: scale(1);
        z-index: 1;
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    }
    30%, 38% {
        top: 112px;
        left: 20px;
        transform: scale(1);
        z-index: 2;
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    }
    63%, 71% {
        top: 0;
        left: 70px;
        transform: scale(1.1);
        z-index: 3;
        box-shadow: 0 20px 40px rgba(37, 99, 235, 0.3);
    }
    96%, 100% {
        top: 112px;
        left: 120px;
        transform: scale(1);
        z-index: 1;
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
    }
}

/* Hover 효과 - 애니메이션 일시정지 및 확대 */
.rotating-images-container:hover .rotating-image-item {
    animation-play-state: paused;
}

.rotating-image-item:hover {
    transform: scale(1.2) translateZ(0);
    z-index: 20 !important;
    box-shadow: 0 25px 50px rgba(37, 99, 235, 0.35);
    cursor: pointer;
    border-color: var(--primary-color);
    border-width: 3px;
}

/* 첫 번째 이미지 호버 시 위치 유지 */
.rotating-image-item:nth-child(1):hover {
    transform: translateX(-50%) scale(1.2) translateZ(0) !important;
}

.rotating-image-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    /* GPU 가속 최적화 */
    transform: translateZ(0);
    backface-visibility: hidden;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.rotating-image-item:hover img {
    transform: scale(1.05) translateZ(0);
}

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.85), rgba(0,0,0,0.3) 60%, transparent 100%);
    padding: 15px 10px 12px;
    color: white;
    font-weight: 700;
    font-size: 0.95rem;
    opacity: 1;
    text-align: center;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
    /* GPU 가속 및 부드러운 전환 */
    transform: translateZ(0);
    transition: padding 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                background 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.rotating-image-item:hover .image-overlay {
    padding-bottom: 18px;
    background: linear-gradient(to top, rgba(37, 99, 235, 0.9), rgba(37, 99, 235, 0.4) 60%, transparent 100%);
}

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



/* Responsive Design - 2025년 12월 개선 버전 */

/* 대형 데스크탑 (1400px 이상) */
@media (min-width: 1401px) {
    .solutions-container-compact {
        padding: 0 180px;
    }
}

/* 중형 데스크탑 (1200px ~ 1400px) */
@media (max-width: 1400px) {
    .solutions-container-compact {
        padding: 0 100px;
    }

    .paradigm-container {
        padding: 0 40px;
    }
}

/* 소형 데스크탑 / 대형 태블릿 (992px ~ 1200px) */
@media (max-width: 1200px) {
    .solutions-container-compact {
        padding: 0 60px;
    }

    .solutions-showcase-compact {
        grid-template-columns: 1fr;
        gap: 40px;
        max-width: 100%;
    }

    .rotating-images-container {
        height: 320px;
        margin-top: 40px;
    }

    .rotating-wrapper {
        width: 280px;
        height: 280px;
    }

    .rotating-image-item {
        width: 140px;
        height: 140px;
    }

    /* 태블릿용 삼각형 배치 조정 (30% 겹침 = 42px) */
    .rotating-image-item:nth-child(1) {
        top: 0;
        left: 50%;
        transform: translateX(-50%);
    }

    .rotating-image-item:nth-child(2) {
        top: 98px;
        left: 10px;
    }

    .rotating-image-item:nth-child(3) {
        top: 98px;
        right: 10px;
    }

    .paradigm-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .paradigm-card-v2 {
        padding: 36px 24px;
    }

    .card-icon {
        width: 72px;
        height: 72px;
        font-size: 1.875rem;
    }
}

/* 태블릿 (768px ~ 992px) */
@media (max-width: 992px) {
    .paradigm-section-v2 {
        padding: 80px 0;
    }

    .solutions-section-compact {
        padding: 80px 0;
    }

    .paradigm-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        max-width: 500px;
        margin: 0 auto;
    }

    .paradigm-card-v2 {
        padding: 16px 18px !important;
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        text-align: left !important;
        gap: 15px !important;
    }

    .paradigm-card-v2 .card-icon {
        width: 50px;
        height: 50px;
        min-width: 50px;
        font-size: 1.25rem;
        border-radius: 12px;
        margin: 0;
    }

    .paradigm-card-v2 .card-content {
        flex: 1;
    }

    .paradigm-card-v2 .card-title {
        font-size: 1rem;
        margin-bottom: 4px;
    }

    .paradigm-card-v2 .card-desc {
        font-size: 0.85rem;
        margin-bottom: 0;
    }

    .section-title-v2 {
        font-size: 2.25rem;
    }

    .section-desc {
        font-size: 1rem;
        padding: 0 20px;
    }

    /* 회전 이미지 - 태블릿에서는 가로 배치 */
    .rotating-images-container {
        height: 180px;
    }

    .rotating-wrapper {
        width: 100%;
        max-width: 450px;
        height: 150px;
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 15px;
    }

    .rotating-image-item {
        position: relative !important;
        width: 130px;
        height: 130px;
        top: auto !important;
        left: auto !important;
        right: auto !important;
        transform: none !important;
        animation: none !important;
    }

    .rotating-image-item:nth-child(1),
    .rotating-image-item:nth-child(2),
    .rotating-image-item:nth-child(3) {
        top: auto !important;
        left: auto !important;
        right: auto !important;
        transform: none !important;
    }

    .rotating-image-item:hover {
        transform: scale(1.1) !important;
    }
}

/* 모바일 (768px 이하) */
@media (max-width: 768px) {
    .hero-section {
        height: 85vh;
        min-height: 500px;
    }

    .hero-title {
        font-size: 2.25rem;
        line-height: 1.25;
    }

    .hero-subtitle {
        font-size: 1.35rem;
    }

    .hero-description {
        font-size: 1rem;
        padding: 0 15px;
    }

    .paradigm-section-v2 {
        padding: 60px 0;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .section-label {
        padding: 6px 18px;
        font-size: 0.75rem;
    }

    .section-title-v2 {
        font-size: 1.875rem;
    }

    .paradigm-grid {
        max-width: 100%;
        padding: 0 15px;
    }

    .solutions-container-compact {
        padding: 0 20px;
    }

    .solutions-section-compact {
        padding: 60px 0;
    }

    .solutions-cards-area {
        gap: 12px;
    }

    .solution-card-compact {
        padding: 20px;
        flex-direction: column;
        text-align: center;
        border-radius: 16px;
    }

    .solution-card-compact::before {
        width: 100%;
        height: 4px;
        left: 0;
        top: 0;
    }

    .card-header-compact {
        margin-bottom: 15px;
        flex-direction: row;
        gap: 15px;
    }

    .card-badge {
        font-size: 0.7rem;
        padding: 3px 10px;
    }

    .card-icon-compact {
        font-size: 2.5rem;
    }

    .card-body-compact h3 {
        font-size: 1.15rem;
    }

    .card-body-compact p {
        font-size: 0.9rem;
    }

    /* 모바일용 이미지 그리드 표시 */
    .rotating-images-container {
        display: flex !important;
        height: auto;
        padding: 20px 0;
    }

    .rotating-wrapper {
        width: 100%;
        max-width: 100%;
        height: auto;
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
        padding: 0 10px;
    }

    .rotating-image-item {
        position: relative !important;
        width: 100%;
        height: auto;
        aspect-ratio: 1;
        top: auto !important;
        left: auto !important;
        right: auto !important;
        transform: none !important;
        animation: none !important;
        border-radius: 14px;
    }

    .rotating-image-item:hover {
        transform: scale(1.05) !important;
    }

    .image-overlay {
        padding: 10px 6px 8px;
        font-size: 0.75rem;
    }

    /* 패러다임 상세 섹션 모바일 */
    .paradigm-detail-section {
        padding: 30px 15px;
        margin-top: 30px;
    }

    .feature-cards-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .feature-detail-card {
        padding: 20px;
    }
}

/* 소형 모바일 (480px 이하) */
@media (max-width: 480px) {
    .hero-section {
        height: 80vh;
        min-height: 450px;
    }

    .hero-title {
        font-size: 1.875rem;
    }

    .hero-subtitle {
        font-size: 1.15rem;
    }

    .hero-description {
        font-size: 0.9rem;
        line-height: 1.6;
    }

    .section-title-v2 {
        font-size: 1.625rem;
    }

    .section-desc {
        font-size: 0.9rem;
    }

    .paradigm-section-v2 {
        padding: 50px 0;
    }

    .solutions-section-compact {
        padding: 50px 0;
    }

    .solutions-container-compact {
        padding: 0 15px;
    }

    .solution-card-compact {
        padding: 16px;
    }

    .card-icon-compact {
        font-size: 2rem;
    }

    .card-body-compact h3 {
        font-size: 1.05rem;
    }

    .card-body-compact p {
        font-size: 0.85rem;
    }

    .solution-btn-compact {
        width: 100%;
        justify-content: center;
        padding: 10px 20px;
        font-size: 0.85rem;
    }

    /* 이미지 그리드 - 소형 모바일 */
    .rotating-wrapper {
        gap: 8px;
        padding: 0 5px;
    }

    .rotating-image-item {
        border-radius: 10px;
    }

    .image-overlay {
        padding: 8px 4px 6px;
        font-size: 0.65rem;
    }

    /* 패러다임 카드 - 소형 모바일 (수평 레이아웃 유지) */
    .paradigm-card-v2 {
        padding: 14px 16px !important;
        border-radius: 14px !important;
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        gap: 12px !important;
    }

    .paradigm-card-v2 .card-icon {
        width: 44px !important;
        height: 44px !important;
        min-width: 44px !important;
        font-size: 1.1rem !important;
        border-radius: 10px !important;
        margin: 0 !important;
    }

    .paradigm-card-v2 .card-title {
        font-size: 0.95rem !important;
    }

    .paradigm-card-v2 .card-desc {
        font-size: 0.8rem !important;
    }
}

/* 가로 모드 모바일 */
@media (max-height: 500px) and (orientation: landscape) {
    .hero-section {
        height: auto;
        min-height: 100vh;
        padding: 80px 0 40px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }
}

/* Solution Features List */
.solution-features {
    list-style: none;
    padding: 0;
    margin: 15px 0;
}

.solution-features li {
    padding: 8px 0;
    font-size: 0.95rem;
    color: #6b7280;
    display: flex;
    align-items: center;
    gap: 10px;
}

.solution-features li i {
    color: #10b981;
    font-size: 0.875rem;
}

/* Hero Background Logo */
.hero-bg-logo {
    position: absolute;
    width: 750px;  /* 크기 증가: 600px → 750px (25% 추가 증가) */
    height: 750px;  /* 크기 증가: 600px → 750px (25% 추가 증가) */
    /* opacity는 Index.razor에서 동적으로 설정됨 */
    z-index: 0;
    pointer-events: none;
    transition: all 0.3s ease;
}

/* 기본 위치 - 중앙 */
.hero-bg-logo.hero-bg-logo-center {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* 중앙 상단 */
.hero-bg-logo.hero-bg-logo-top-center {
    top: 10%;
    left: 50%;
    transform: translateX(-50%);
}

/* 좌측 상단 */
.hero-bg-logo.hero-bg-logo-top-left {
    top: 10%;
    left: 10%;
    transform: none;
}

/* 우측 상단 */
.hero-bg-logo.hero-bg-logo-top-right {
    top: 10%;
    right: 10%;
    left: auto;
    transform: none;
}

.hero-bg-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background-color: transparent !important;  /* design-improvements.css의 전역 img 배경색 무효화 */
    filter: brightness(0) invert(1);  /* 원본 이미지를 흰색 실루엣으로 변환 */
}

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

@media (max-width: 768px) {
    .hero-bg-logo {
        width: 500px;  /* 크기 증가: 400px → 500px (25% 추가 증가) */
        height: 500px;  /* 크기 증가: 400px → 500px (25% 추가 증가) */
    }
    
    /* 태블릿에서 위치 조정 */
    .hero-bg-logo.hero-bg-logo-top-left,
    .hero-bg-logo.hero-bg-logo-top-right {
        top: 5%;
        left: 5%;
        right: auto;
        transform: none;
    }
    
    .hero-bg-logo.hero-bg-logo-top-right {
        left: auto;
        right: 5%;
    }
}

@media (max-width: 480px) {
    .hero-bg-logo {
        width: 312px;  /* 크기 증가: 250px → 312px (25% 추가 증가) */
        height: 312px;  /* 크기 증가: 250px → 312px (25% 추가 증가) */
    }
    
    /* 모바일에서 위치 조정 */
    .hero-bg-logo.hero-bg-logo-top-center {
        top: 15%;
    }
    
    .hero-bg-logo.hero-bg-logo-top-left,
    .hero-bg-logo.hero-bg-logo-top-right {
        top: 10%;
        left: 50%;
        right: auto;
        transform: translateX(-50%);
    }
}