/* 
===========================================
하프노마드 바이오그래피 - 컴포넌트 CSS
===========================================
Purpose: 각 섹션별 특화된 컴포넌트 스타일
Dependencies: main.css (기본 프레임워크)
=========================================== 
*/

/* ===============================
   1. HERO SECTION COMPONENTS (업데이트됨)
=============================== */

.section-hero {
    background: linear-gradient(135deg, 
        var(--bg-primary) 0%, 
        var(--tertiary) 50%, 
        var(--primary) 100%
    );
    position: relative;
    overflow: hidden;
}

.section-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, 
        rgba(101, 175, 255, 0.1) 0%, 
        transparent 50%
    );
    pointer-events: none;
}

.hero-layout {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    font-weight: 500;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    justify-content: center;
}

/* CTA 버튼 기본 스타일 */
.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    min-width: 160px;
}

/* Primary CTA 버튼 */
.cta-button.primary {
    background: var(--gradient-cta);
    color: var(--text-primary);
    box-shadow: 0 4px 15px rgba(101, 175, 255, 0.3);
}

.cta-button.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(101, 175, 255, 0.4);
}

/* Secondary CTA 버튼 */
.cta-button.secondary {
    background: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
}

.cta-button.secondary:hover {
    background: var(--accent);
    color: var(--bg-primary);
    transform: translateY(-2px);
}

/* 프로필 이미지 섹션 */
.profile-section {
    text-align: center;
}

.profile-image-container {
    position: relative;
    display: inline-block;
    margin-bottom: 1rem;
}

.profile-image {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--accent);
    box-shadow: 0 8px 24px rgba(39, 64, 96, 0.3);
    transition: all 0.3s ease;
}

.profile-badge {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: var(--gradient-cta);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* 통계 섹션 */
.stats-section {
    margin: 2rem 0;
}

.stat-item {
    text-align: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(39, 64, 96, 0.2);
}

.stat-number {
    display: block;
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: var(--gradient-headline);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.4;
    font-weight: 500;
}

/* 브랜드 섹션 */
.brands-section {
    text-align: center;
}

.brands-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    font-weight: 500;
}

.brand-tag {
    display: inline-block;
    background: rgba(101, 175, 255, 0.1);
    color: var(--accent);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(101, 175, 255, 0.2);
    transition: all 0.3s ease;
}

.brand-tag:hover {
    background: rgba(101, 175, 255, 0.2);
    border-color: var(--accent);
    transform: translateY(-1px);
}

/* 스크롤 인디케이터 */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    cursor: pointer;
    z-index: 3;
    transition: opacity 0.3s ease;
}

.scroll-arrow {
    color: var(--accent);
    font-size: 1.5rem;
    animation: bounce-subtle 2s infinite;
}

.scroll-arrow:hover {
    color: var(--highlight);
    transform: scale(1.1);
}
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(101, 175, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(39, 64, 96, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(88, 153, 226, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

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

.hero-profile-image {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-full);
    margin: 0 auto var(--spacing-xl);
    border: 4px solid var(--accent);
    padding: 4px;
    background: var(--gradient-cta);
    box-shadow: var(--shadow-accent);
    transition: all var(--transition-normal);
}

.hero-profile-image:hover {
    transform: scale(1.05);
    box-shadow: 0 16px 40px rgba(101, 175, 255, 0.4);
}

.hero-profile-image img {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.hero-headline {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extrabold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-md);
    background: var(--gradient-headline);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-muted);
    margin-bottom: var(--spacing-2xl);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    line-height: var(--line-height-relaxed);
}

.hero-cta-group {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-2xl);
}

/* 스크롤 인디케이터 */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    animation: bounce 2s infinite;
}

.scroll-indicator::after {
    content: '↓';
    font-size: var(--font-size-lg);
    color: var(--accent);
}

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

/* ===============================
   2. EXPERTISE CARDS
=============================== */

.expertise-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

/* Responsive Grid */
@media (min-width: 768px) {
    .expertise-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-2xl);
    }
}

@media (min-width: 1024px) {
    .expertise-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-xl);
    }
}

.expertise-card {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.05) 0%, 
        rgba(255, 255, 255, 0.02) 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-smooth);
    cursor: pointer;
    transform: translateZ(0); /* GPU 가속 */
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-box);
    opacity: 0;
    transition: opacity var(--transition-smooth);
    pointer-events: none;
}

/* Featured 카드 특별 스타일링 */
.expertise-card.featured {
    border: 2px solid transparent;
    background: linear-gradient(var(--bg-primary), var(--bg-primary)) padding-box,
                linear-gradient(135deg, var(--accent), var(--highlight), var(--secondary)) border-box;
    box-shadow: 0 0 30px rgba(101, 175, 255, 0.15);
    animation: featuredPulse 3s ease-in-out infinite;
}

@keyframes featuredPulse {
    0%, 100% { 
        box-shadow: 0 0 30px rgba(101, 175, 255, 0.15);
        transform: scale(1) translateZ(0);
    }
    50% { 
        box-shadow: 0 0 40px rgba(101, 175, 255, 0.25);
        transform: scale(1.02) translateZ(0);
    }
}

.expertise-card:hover {
    transform: translateY(-12px) scale(1.02) translateZ(0);
    box-shadow: var(--shadow-2xl);
    border-color: rgba(101, 175, 255, 0.4);
}

.expertise-card.featured:hover {
    transform: translateY(-15px) scale(1.03) translateZ(0);
    box-shadow: 0 20px 60px rgba(101, 175, 255, 0.3);
}

.expertise-card:hover::before {
    opacity: 0.05;
}

/* 아이콘 스타일링 및 애니메이션 */
.expertise-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    position: relative;
    z-index: 1;
    transition: all var(--transition-smooth);
    animation: iconFloat 2s ease-in-out infinite;
}

@keyframes iconFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-5px) rotate(2deg); }
}

/* 개별 아이콘 스타일링 */
.expertise-icon.ai-marketing {
    background: linear-gradient(135deg, #8B5CF6, #3B82F6);
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.3);
}

.expertise-icon.automation {
    background: linear-gradient(135deg, var(--accent), var(--highlight));
    box-shadow: 0 10px 30px rgba(101, 175, 255, 0.4);
    animation: featuredIconPulse 2s ease-in-out infinite;
}

@keyframes featuredIconPulse {
    0%, 100% { 
        transform: translateY(0) rotate(0deg) scale(1); 
        box-shadow: 0 10px 30px rgba(101, 175, 255, 0.4);
    }
    50% { 
        transform: translateY(-5px) rotate(2deg) scale(1.1); 
        box-shadow: 0 15px 40px rgba(101, 175, 255, 0.6);
    }
}

.expertise-icon.notion-framework {
    background: linear-gradient(135deg, #10B981, #3B82F6);
    box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
}

.expertise-card:hover .expertise-icon {
    transform: translateY(-8px) rotate(5deg) scale(1.15);
}

.expertise-card.featured:hover .expertise-icon.automation {
    transform: translateY(-10px) rotate(10deg) scale(1.2);
}

.expertise-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    position: relative;
    z-index: 1;
    transition: color var(--transition-normal);
}

.expertise-card.featured .expertise-title {
    background: linear-gradient(135deg, var(--accent), var(--highlight));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: var(--font-weight-extrabold);
}

.expertise-description {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.expertise-highlights {
    list-style: none;
    position: relative;
    z-index: 1;
    margin-bottom: var(--spacing-xl);
}

.expertise-highlights li {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-lg);
    position: relative;
    transition: color var(--transition-normal);
}

.expertise-highlights li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-base);
    transition: all var(--transition-normal);
}

.expertise-card:hover .expertise-highlights li {
    color: var(--text-secondary);
}

.expertise-card:hover .expertise-highlights li::before {
    color: var(--highlight);
    transform: scale(1.2);
}

/* CTA 버튼 스타일링 */
.expertise-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, 
        rgba(101, 175, 255, 0.1) 0%, 
        rgba(88, 153, 226, 0.1) 100%);
    border: 1px solid rgba(101, 175, 255, 0.3);
    border-radius: var(--radius-lg);
    color: var(--accent);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
    z-index: 1;
}

.expertise-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(101, 175, 255, 0.2) 50%, 
        transparent 100%);
    transition: left var(--transition-smooth);
}

.expertise-cta:hover {
    background: linear-gradient(135deg, 
        rgba(101, 175, 255, 0.2) 0%, 
        rgba(88, 153, 226, 0.2) 100%);
    border-color: var(--accent);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(101, 175, 255, 0.3);
}

.expertise-cta:hover::before {
    left: 100%;
}

.expertise-cta-icon {
    transition: transform var(--transition-normal);
    font-size: var(--font-size-lg);
}

.expertise-cta:hover .expertise-cta-icon {
    transform: translateX(4px);
}

/* Featured 카드 CTA 특별 스타일 */
.expertise-card.featured .expertise-cta {
    background: linear-gradient(135deg, var(--accent), var(--highlight));
    color: var(--bg-primary);
    border: none;
    font-weight: var(--font-weight-bold);
}

.expertise-card.featured .expertise-cta:hover {
    background: linear-gradient(135deg, var(--highlight), var(--accent));
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(101, 175, 255, 0.4);
}

/* ===============================
   3. APPROACH SECTION
=============================== */

.approach-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.approach-item {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-normal);
}

.approach-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(101, 175, 255, 0.2);
    transform: translateX(8px);
}

.approach-number {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    background: var(--gradient-cta);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

.approach-content h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.approach-content p {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
}

/* ===============================
   4. SERVICES SECTION
=============================== */

.services-tabs {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    justify-content: center;
    flex-wrap: wrap;
}

.service-tab {
    padding: var(--spacing-md) var(--spacing-xl);
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.service-tab:hover,
.service-tab.active {
    border-color: var(--accent);
    background: rgba(101, 175, 255, 0.1);
    color: var(--text-primary);
    transform: translateY(-2px);
}

.service-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.service-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.service-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.service-item {
    background: var(--highlight-box);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
}

.service-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-accent);
}

.service-item h4 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.service-item p {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-md);
}

.service-price {
    font-size: var(--font-size-sm);
    color: var(--accent);
    font-weight: var(--font-weight-semibold);
}

/* ===============================
   5. PORTFOLIO SHOWCASE
=============================== */

.portfolio-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.portfolio-item {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    padding: var(--spacing-2xl);
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
}

.portfolio-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(101, 175, 255, 0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.portfolio-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
}

.portfolio-image:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-xl);
}

.portfolio-image img {
    width: 100%;
    height: auto;
    display: block;
}

.portfolio-content h3 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.portfolio-content p {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-lg);
}

.portfolio-tags {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.portfolio-tag {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(101, 175, 255, 0.2);
    color: var(--accent);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
}

.portfolio-links {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ===============================
   6. SOCIAL PROOF
=============================== */

.social-proof-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.social-proof-item {
    text-align: center;
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
}

.social-proof-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(101, 175, 255, 0.2);
    transform: translateY(-4px);
}

.social-proof-number {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-extrabold);
    background: var(--gradient-headline);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.social-proof-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
}

/* ===============================
   7. CTA SECTION
=============================== */

.cta-section {
    background: var(--gradient-box);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 30%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

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

.cta-headline {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-extrabold);
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.cta-description {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: var(--line-height-relaxed);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.cta-contact {
    font-size: var(--font-size-base);
    color: rgba(255, 255, 255, 0.8);
}

.cta-contact a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    transition: all var(--transition-normal);
}

.cta-contact a:hover {
    border-bottom-color: var(--text-primary);
}

/* ===============================
   8. DIVIDERS & DECORATIVE
=============================== */

.section-divider {
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.2) 25%, 
        rgba(255, 255, 255, 0.2) 75%, 
        transparent 100%);
    margin: var(--spacing-3xl) 0;
}

.section-divider-dots {
    text-align: center;
    margin: var(--spacing-3xl) 0;
    color: var(--text-muted);
    font-size: var(--font-size-lg);
    letter-spacing: 1rem;
}

.section-divider-dots::before {
    content: '• • •';
}

/* 섹션 넘버링 */
.section-number {
    display: inline-block;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--gradient-cta);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-md);
}

/* 강조 인용문 */
.quote-block {
    padding: var(--spacing-2xl);
    background: rgba(101, 175, 255, 0.05);
    border-left: 4px solid var(--accent);
    border-radius: var(--radius-lg);
    margin: var(--spacing-2xl) 0;
    position: relative;
}

.quote-block::before {
    content: '"';
    font-size: var(--font-size-4xl);
    color: var(--accent);
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-lg);
    line-height: 1;
    opacity: 0.5;
}

.quote-text {
    font-size: var(--font-size-lg);
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-xl);
}

.quote-author {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    font-weight: var(--font-weight-medium);
    padding-left: var(--spacing-xl);
}

/* ===============================
   9. LOADING & SKELETON STATES
=============================== */

.skeleton {
    background: linear-gradient(90deg, 
        rgba(255, 255, 255, 0.05) 25%, 
        rgba(255, 255, 255, 0.1) 50%, 
        rgba(255, 255, 255, 0.05) 75%);
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
    border-radius: var(--radius-md);
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.skeleton-text {
    height: 1em;
    margin-bottom: var(--spacing-sm);
}

.skeleton-headline {
    height: 2em;
    margin-bottom: var(--spacing-md);
}

.skeleton-image {
    height: 200px;
    margin-bottom: var(--spacing-md);
}

/* 로딩 스피너 */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(101, 175, 255, 0.3);
    border-top: 3px solid var(--accent);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
    margin: var(--spacing-lg) auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===============================
   10. CORE EXPERTISE SECTION
=============================== */

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

@media (max-width: 768px) {
    .expertise-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

/* 전문분야 카드 */
.expertise-card {
    position: relative;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(101, 175, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    overflow: hidden;
    cursor: pointer;
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(101, 175, 255, 0.05) 0%, 
        rgba(88, 153, 226, 0.03) 50%,
        rgba(39, 64, 96, 0.05) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

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

.expertise-card:hover {
    transform: translateY(-8px);
    border-color: rgba(101, 175, 255, 0.3);
    box-shadow: 0 20px 40px rgba(101, 175, 255, 0.15);
}

/* Featured 카드 특별 스타일링 */
.expertise-card.featured {
    border: 1px solid rgba(101, 175, 255, 0.3);
    background: rgba(101, 175, 255, 0.05);
    position: relative;
}

.expertise-card.featured::after {
    content: '✨ FEATURED';
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: linear-gradient(135deg, var(--accent) 0%, var(--united-nations-blue) 100%);
    color: var(--text-primary);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    letter-spacing: 0.5px;
}

/* 아이콘 박스 */
.expertise-icon {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
    position: relative;
    transition: all 0.4s ease;
}

.expertise-icon.ai-marketing {
    background: linear-gradient(135deg, 
        rgba(101, 175, 255, 0.2) 0%, 
        rgba(88, 153, 226, 0.1) 100%);
    border: 1px solid rgba(101, 175, 255, 0.3);
}

.expertise-icon.automation {
    background: linear-gradient(135deg, 
        rgba(88, 153, 226, 0.2) 0%, 
        rgba(51, 92, 129, 0.1) 100%);
    border: 1px solid rgba(88, 153, 226, 0.3);
}

.expertise-icon.notion-framework {
    background: linear-gradient(135deg, 
        rgba(51, 92, 129, 0.2) 0%, 
        rgba(39, 64, 96, 0.1) 100%);
    border: 1px solid rgba(51, 92, 129, 0.3);
}

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

/* 카드 콘텐츠 */
.expertise-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.3;
}

.expertise-description {
    font-size: 1rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-lg);
}

.expertise-highlights {
    list-style: none;
    padding: 0;
    margin: var(--spacing-lg) 0;
}

.expertise-highlights li {
    position: relative;
    padding-left: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.expertise-highlights li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: 700;
    transform: translateX(0);
    transition: transform 0.3s ease;
}

.expertise-card:hover .expertise-highlights li::before {
    transform: translateX(4px);
}

/* CTA 버튼 */
.expertise-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 1rem 1.5rem;
    background: transparent;
    border: 1px solid rgba(101, 175, 255, 0.3);
    border-radius: var(--radius-full);
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.expertise-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(101, 175, 255, 0.1) 50%, 
        transparent 100%);
    transition: left 0.6s ease;
}

.expertise-cta:hover::before {
    left: 100%;
}

.expertise-cta:hover {
    border-color: var(--accent);
    background: rgba(101, 175, 255, 0.1);
    transform: translateX(4px);
}

.expertise-cta-icon {
    transition: transform 0.3s ease;
}

.expertise-cta:hover .expertise-cta-icon {
    transform: translateX(2px);
}

/* 반응형 최적화 */
@media (max-width: 768px) {
    .expertise-card {
        padding: var(--spacing-lg);
    }
    
    .expertise-icon {
        width: 70px;
        height: 70px;
        font-size: 2rem;
    }
    
    .expertise-title {
        font-size: 1.3rem;
    }
    
    .expertise-card.featured::after {
        font-size: 0.7rem;
        padding: 0.4rem 0.8rem;
    }
}

/* ================================
   My Approach Section 
================================ */

.approach-section {
    background: linear-gradient(135deg, 
        var(--tertiary) 0%, 
        var(--primary) 50%, 
        var(--secondary) 100%);
    position: relative;
}

.approach-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 70%, 
        rgba(101, 175, 255, 0.1) 0%, 
        transparent 50%);
}

.approach-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    position: relative;
    z-index: 1;
}

.approach-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: var(--spacing-xl);
    position: relative;
    transition: all 0.4s ease;
    backdrop-filter: blur(10px);
}

.approach-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 16px;
    padding: 1px;
    background: linear-gradient(135deg, 
        var(--accent) 0%, 
        transparent 30%, 
        transparent 70%, 
        var(--highlight) 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

.approach-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(101, 175, 255, 0.2);
}

.approach-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent) 0%, var(--highlight) 100%);
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: var(--spacing-lg);
    position: relative;
    box-shadow: 0 8px 24px rgba(101, 175, 255, 0.3);
}

.approach-number::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--highlight));
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.approach-card:hover .approach-number::after {
    opacity: 0.3;
}

.approach-card h3 {
    font-size: clamp(1.3rem, 3vw, 1.6rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.approach-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: clamp(0.95rem, 2vw, 1.05rem);
    margin-bottom: var(--spacing-lg);
}

.approach-highlight {
    display: inline-block;
    background: rgba(101, 175, 255, 0.15);
    border: 1px solid rgba(101, 175, 255, 0.3);
    border-radius: 24px;
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent);
    position: relative;
    overflow: hidden;
}

.approach-highlight::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(101, 175, 255, 0.1) 50%, 
        transparent 100%);
    transition: left 0.6s ease;
}

.approach-card:hover .approach-highlight::before {
    left: 100%;
}

/* 순차적 애니메이션 효과 */
.approach-card:nth-child(1) {
    animation-delay: 0.1s;
}

.approach-card:nth-child(2) {
    animation-delay: 0.2s;
}

.approach-card:nth-child(3) {
    animation-delay: 0.3s;
}

/* 반응형 최적화 */
@media (max-width: 768px) {
    .approach-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .approach-card {
        padding: var(--spacing-lg);
    }
    
    .approach-number {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
}