/**
 * 소개 페이지 스타일
 * 상공 We Are Work 레퍼런스 기반
 */

/* 페이지 전체 배경 검정색으로 */
body.menu-board {
    background-color: #0a0a0a;
}

body.menu-board .user-content {
    background-color: #0a0a0a;
}

/* 푸터도 어두운 배경에 맞게 */
body.menu-board .user-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.about-container {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0;
    background-color: #0a0a0a;
}

/* SEO를 위한 스크린 리더 전용 헤딩 */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* common.css의 전역 p태그 스타일 덮어쓰기 */
.about-container p {
    color: rgba(255, 255, 255, 0.95);
}

/* ===== 히어로 섹션 (상공 스타일) ===== */
.about-hero {
    background-color: #0a0a0a;
    padding: 120px 0 80px;
    position: relative;
    overflow: hidden;
}

.about-hero-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
    position: relative;
}

.about-hero-content {
    margin-left: 0;
}

.about-hero-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 4rem;
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 1.5rem;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.about-hero-desc {
    font-size: 1.125rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
    margin: 0;
    max-width: 600px;
}

/* ===== 카드 슬라이더 섹션 ===== */
.about-cards-section {
    background-color: #0a0a0a;
    padding: 40px 0 100px;
    position: relative;
    overflow: hidden; /* 트랙이 넘치지 않도록 */
}

.about-cards-track {
    display: flex;
    gap: 24px;
    padding: 0 3rem;
    cursor: grab;
    user-select: none;
    will-change: transform;
}

.about-cards-track.is-dragging {
    cursor: grabbing;
}

.about-cards-track.is-dragging .about-card {
    pointer-events: none;
}

/* 카드 스타일 (상공 레퍼런스) - 3개가 화면에 맞게 */
.about-card {
    flex: 0 0 calc((100vw - 6rem - 48px) / 3); /* 전체 너비에서 패딩과 갭 빼고 3등분 */
    min-width: calc((100vw - 6rem - 48px) / 3);
    max-width: 420px;
    background: #0a0a0a;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    padding: 40px 32px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

/* 호버 시 밝아지는 효과 */
.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.about-card:hover {
    border-color: rgba(23, 232, 196, 0.4);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

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

/* 카드 아이콘 */
.about-card-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 32px;
    color: rgba(255, 255, 255, 0.9);
    transition: all 0.4s ease;
}

.about-card-icon svg {
    width: 100%;
    height: 100%;
}

.about-card:hover .about-card-icon {
    color: #17e8c4;
    transform: scale(1.05);
}

/* 카드 라벨 */
.about-card-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: #17e8c4;
    margin-bottom: 8px;
    letter-spacing: 0.05em;
    text-transform: capitalize;
}

/* 카드 제목 */
.about-card-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 20px;
    line-height: 1.3;
}

/* 카드 설명 */
.about-card-desc {
    font-size: 1rem;
    line-height: 1.75;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

.about-card:hover .about-card-desc {
    color: rgba(255, 255, 255, 0.85);
}

/* 드래그 힌트 */
.about-cards-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.875rem;
    transition: opacity 0.3s ease;
}

.about-cards-hint .hint-icon {
    animation: hintSlide 1.5s ease-in-out infinite;
}

@keyframes hintSlide {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(8px);
    }
}

.about-cards-hint .hint-icon svg {
    width: 20px;
    height: 20px;
}

/* 스크롤 시 힌트 숨김 */
.about-cards-track:not(:hover) + .about-cards-hint {
    opacity: 1;
}

.about-cards-section:has(.about-cards-track.is-dragging) .about-cards-hint {
    opacity: 0;
}

/* ===== 반응형 디자인 ===== */

/* 데스크탑 대형 (1400px+) */
@media (min-width: 1400px) {
    .about-cards-track {
        padding: 0 calc((100vw - 1400px) / 2 + 3rem);
    }
    
    .about-card {
        flex: 0 0 calc((1400px - 6rem - 48px) / 3);
        min-width: calc((1600px - 6rem - 48px) / 3);
    }
}

/* 태블릿 가로 (1024px ~ 1199px) */
@media (max-width: 1199px) {
    .about-hero {
        padding: 100px 0 60px;
    }
    
    .about-hero-inner {
        padding: 0 2rem;
    }
    
    .about-hero-title {
        font-size: 3.5rem;
    }
    
    .about-card {
        flex: 0 0 calc((100vw - 4rem - 48px) / 3);
        min-width: calc((100vw - 4rem - 48px) / 3);
        padding: 32px 28px;
    }
    
    .about-cards-track {
        padding: 0 2rem;
        gap: 20px;
    }
}

/* 태블릿 세로 (768px ~ 1023px) - 2개 카드 보이기 */
@media (max-width: 1023px) {
    .about-hero {
        padding: 80px 0 50px;
    }
    
    .about-hero-inner {
        padding: 0 1.5rem;
    }
    
    .about-hero-title {
        font-size: 3rem;
    }
    
    .about-hero-desc {
        font-size: 1rem;
    }
    
    /* 2개 카드 보이기 */
    .about-card {
        flex: 0 0 calc((100vw - 3rem - 16px) / 2);
        min-width: calc((100vw - 3rem - 16px) / 2);
        max-width: none;
        padding: 28px 24px;
    }
    
    .about-card-icon {
        width: 64px;
        height: 64px;
        margin-bottom: 24px;
    }
    
    .about-card-title {
        font-size: 1.5rem;
        margin-bottom: 16px;
    }
    
    .about-card-desc {
        font-size: 0.9375rem;
    }
    
    .about-cards-track {
        padding: 0 1.5rem;
        gap: 16px;
    }
    
    .about-cards-section {
        padding: 30px 0 80px;
    }
}

/* 모바일 중형 (480px ~ 767px) - 1개 카드 보이기 */
@media (max-width: 767px) {
    .about-hero {
        padding: 70px 0 40px;
    }
    
    .about-hero-inner {
        padding: 0 1.25rem;
    }
    
    .about-hero-title {
        font-size: 2.25rem;
    }
    
    .about-hero-desc {
        font-size: 0.9375rem;
        line-height: 1.7;
    }
    
    /* 1개 카드 보이기 */
    .about-card {
        flex: 0 0 calc(100vw - 2.5rem);
        min-width: calc(100vw - 2.5rem);
        padding: 24px 20px;
        border-radius: 12px;
    }
    
    .about-card-icon {
        width: 56px;
        height: 56px;
        margin-bottom: 20px;
    }
    
    .about-card-label {
        font-size: 0.8125rem;
    }
    
    .about-card-title {
        font-size: 1.375rem;
        margin-bottom: 12px;
    }
    
    .about-card-desc {
        font-size: 0.875rem;
        line-height: 1.65;
    }
    
    .about-cards-track {
        padding: 0 1.25rem;
        gap: 14px;
    }
    
    .about-cards-section {
        padding: 20px 0 60px;
    }
    
    .about-cards-hint {
        margin-top: 30px;
        font-size: 0.8125rem;
    }
}

/* 모바일 소형 (320px ~ 479px) - 1개 카드 보이기 */
@media (max-width: 479px) {
    .about-hero {
        padding: 60px 0 30px;
    }
    
    .about-hero-inner {
        padding: 0 1rem;
    }
    
    .about-hero-title {
        font-size: 1.875rem;
    }
    
    .about-hero-desc {
        font-size: 0.875rem;
        line-height: 1.65;
    }
    
    /* 1개 카드 보이기 */
    .about-card {
        flex: 0 0 calc(100vw - 4rem);
        min-width: calc(100vw - 4rem);
        padding: 20px 16px;
    }
    
    .about-card-icon {
        width: 48px;
        height: 48px;
        margin-bottom: 16px;
    }
    
    .about-card-label {
        font-size: 0.75rem;
    }
    
    .about-card-title {
        font-size: 1.25rem;
        margin-bottom: 10px;
    }
    
    .about-card-desc {
        font-size: 0.8125rem;
        line-height: 1.6;
    }
    
    .about-cards-track {
        padding: 0 1rem;
        gap: 12px;
    }
    
    .about-cards-section {
        padding: 16px 0 50px;
    }
    
    .about-cards-hint {
        margin-top: 24px;
        font-size: 0.75rem;
    }
}

/* ===== 콘텐츠 섹션 ===== */
.about-content-section {
    background-color: #0a0a0a;
    padding: 100px 0 80px;
}

.about-content-section-alt {
    background-color: #111111;
}

.about-content-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
}

.about-content-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 3rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid rgba(23, 232, 196, 0.3);
    letter-spacing: -0.02em;
    position: relative;
    display: block;
    cursor: default;
    width: 100%;
}

/* 호버 시 그라데이션 오버레이 */
.about-content-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #17e8c4 0%, #00D4FF 50%, #17e8c4 100%);
    background-size: 200% auto;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.about-content-title .title-text {
    position: relative;
    display: inline-block;
    transition: color 0.4s ease;
}

/* 호버 시 그라데이션 텍스트 효과 */
.about-content-title:hover .title-text {
    background: linear-gradient(135deg, #17e8c4 0%, #00D4FF 50%, #17e8c4 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shineTitle 2s linear infinite;
}

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

/* 호버 시 그라데이션 오버레이 표시 및 애니메이션 */
.about-content-title:hover::after {
    opacity: 1;
    animation: shineLine 2s linear infinite;
}

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

.about-content-text {
    font-size: 1.125rem;
    line-height: 2;
    color: rgba(255, 255, 255, 0.95);
}

.about-content-text p {
    margin: 0 0 1.5rem;
    color: rgba(255, 255, 255, 0.70);
    line-height: 2;
}

.about-content-text p:last-child {
    margin-bottom: 0;
}

.about-content-text ul,
.about-content-text ol {
    margin: 1.5rem 0;
    padding-left: 2rem;
}

.about-content-text li {
    margin-bottom: 0.75rem;
    line-height: 1.8;
}

.about-content-text li:last-child {
    margin-bottom: 0;
}

/* 비전 및 전략 */
.about-vision-strategy {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 2rem;
}

.about-vision-item,
.about-strategy-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2.5rem;
    transition: all 0.3s ease;
}

.about-vision-item:hover,
.about-strategy-item:hover {
    border-color: rgba(23, 232, 196, 0.3);
    background: rgba(23, 232, 196, 0.05);
}

.about-vision-title,
.about-strategy-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #17e8c4;
    margin: 0 0 1.5rem;
    letter-spacing: -0.01em;
}

.about-vision-text {
    font-size: 1.25rem;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.95);
    margin: 0 0 1.5rem;
    font-weight: 500;
}

.about-vision-details {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.about-vision-details p {
    font-size: 1rem;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.9);
    margin: 0 0 1rem;
}

.about-vision-details p:last-child {
    margin-bottom: 0;
}

.about-strategy-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
}

.about-strategy-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 1rem;
    font-size: 1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.95);
}

.about-strategy-list li:last-child {
    margin-bottom: 0;
}

.about-strategy-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #17e8c4;
    font-weight: bold;
}

.about-strategy-note {
    font-size: 0.9375rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
    margin: 1.5rem 0 0;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-style: italic;
}

/* 핵심 목표 과제 */
.about-goals-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.about-goal-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2.5rem;
    position: relative;
    transition: all 0.3s ease;
}

.about-goal-item:hover {
    border-color: rgba(23, 232, 196, 0.4);
    background: rgba(23, 232, 196, 0.05);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.about-goal-number {
    position: absolute;
    top: -20px;
    left: 2.5rem;
    width: 48px;
    height: 48px;
    background: #17e8c4;
    color: #0a0a0a;
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    font-weight: 900;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(23, 232, 196, 0.4);
}

.about-goal-title {
    font-size: 1.375rem;
    font-weight: 700;
    color: #ffffff;
    margin: 0.5rem 0 1rem;
    line-height: 1.4;
}

.about-goal-desc {
    font-size: 1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.95);
    margin: 0;
}

/* 모수의 특징 */
.about-features-list {
    margin-top: 2rem;
}

.about-feature-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 2.5rem;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

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

.about-feature-item:hover {
    border-color: rgba(23, 232, 196, 0.4);
    background: rgba(23, 232, 196, 0.05);
    transform: translateX(8px);
}

.about-feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #17e8c4;
    margin: 0 0 1rem;
    letter-spacing: -0.01em;
}

.about-feature-desc {
    font-size: 1.125rem;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.95);
    margin: 0 0 1rem;
}

.about-feature-sublist {
    list-style: none;
    padding: 0;
    margin: 1rem 0 0;
}

.about-feature-sublist li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    font-size: 1rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.95);
}

.about-feature-sublist li:last-child {
    margin-bottom: 0;
}

.about-feature-sublist li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #17e8c4;
    font-weight: bold;
    font-size: 1.25rem;
}

/* 반응형 디자인 - 콘텐츠 섹션 */
@media (max-width: 1199px) {
    .about-content-section {
        padding: 80px 0 60px;
    }

    .about-content-inner {
        padding: 0 2rem;
    }
}

@media (max-width: 1023px) {
    .about-content-section {
        padding: 60px 0 50px;
    }

    .about-content-inner {
        padding: 0 1.5rem;
    }

    .about-content-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    .about-content-text {
        font-size: 1rem;
    }

    .about-vision-strategy {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-goals-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-goal-item {
        padding: 2rem;
    }

    .about-feature-item {
        padding: 2rem;
    }
}

@media (max-width: 767px) {
    .about-content-section {
        padding: 50px 0 40px;
    }

    .about-content-inner {
        padding: 0 1.25rem;
    }

    .about-content-title {
        font-size: 1.75rem;
        margin-bottom: 1.5rem;
        padding-bottom: 1rem;
    }

    .about-content-text {
        font-size: 0.9375rem;
        line-height: 1.9;
    }

    .about-vision-item,
    .about-strategy-item {
        padding: 1.5rem;
    }

    .about-vision-title,
    .about-strategy-title {
        font-size: 1.25rem;
        margin-bottom: 1rem;
    }

    .about-vision-text {
        font-size: 1rem;
    }

    .about-goal-item {
        padding: 1.5rem;
    }

    .about-goal-number {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
        top: -15px;
        left: 1.5rem;
    }

    .about-goal-title {
        font-size: 1.125rem;
    }

    .about-goal-desc {
        font-size: 0.9375rem;
    }

    .about-feature-item {
        padding: 1.5rem;
    }

    .about-feature-title {
        font-size: 1.25rem;
    }

    .about-feature-desc {
        font-size: 1rem;
    }
}

@media (max-width: 479px) {
    .about-content-section {
        padding: 40px 0 30px;
    }

    .about-content-inner {
        padding: 0 1rem;
    }

    .about-content-title {
        font-size: 1.5rem;
    }

    .about-content-text {
        font-size: 0.875rem;
    }
}

/* ===== CTA 네트워크 섹션 ===== */
.about-cta-network {
    background-color: #0a0a0a;
    padding: 0px 0 120px;
    position: relative;
    overflow: hidden;
    min-height: 800px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    perspective: 2000px;
    perspective-origin: center center;
}

.about-cta-network-inner {
    position: relative;
    width: 100%;
    max-width: 1200px;
    height: 800px;
    margin: 0 auto;
    padding: 0 3rem;
    transform-style: preserve-3d;
    will-change: transform;
}

.about-cta-network-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

/* 중앙 MOSU */
.network-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate3d(-50%, -50%, 0);
    z-index: 10;
    text-align: center;
    transform-style: preserve-3d;
    transition: transform 0.3s ease;
}

/* network-center 호버 시 transform 충돌 방지 */
.network-center:hover {
    transform: translate3d(-50%, -50%, 0);
}

.network-center-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 6rem;
    font-weight: 900;
    color: #ffffff;
    margin: 0;
    letter-spacing: -0.02em;
    line-height: 1;
    text-transform: uppercase;
    cursor: default;
    transform: translateZ(50px);
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.2);
    display: inline-block;
    position: relative;
    transition: color 0.5s ease;
}

/* 그라데이션 텍스트를 위한 오버레이 (기본 상태: 투명) */
.network-center-title::after {
    content: 'MOSU';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #17e8c4 0%, #00D4FF 50%, #17e8c4 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
    z-index: 1;
    /* 기본 텍스트와 정확히 겹치도록 설정 */
    line-height: 1;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    will-change: opacity;
}

/* 호버 시 그라데이션 텍스트 효과 (about-content-title과 동일, 밑줄 제외) */
/* 기존 글로우 유지하면서 그라데이션 텍스트 오버레이 (호버 색상 글로우 제거) */
.network-center:hover .network-center-title::after {
    opacity: 1;
    animation: shineTitle 2s linear infinite;
}

.network-center:hover .network-center-title {
    color: transparent;
    /* text-shadow는 유지하여 기존 글로우 효과 유지 (호버 색상과 다른 색상) */
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.2);
}

/* 네트워크 노드 */
.network-node {
    position: absolute;
    z-index: 5;
    cursor: pointer;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
}

.network-node-content {
    background: rgba(23, 232, 196, 0.1);
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 16px 24px;
    white-space: nowrap;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    transform: translateZ(0);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.network-node-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 0.02em;
    transition: color 0.3s ease;
}

/* 노드 호버 효과 */
.network-node:hover {
    transform: scale(1.15) translateZ(30px);
    z-index: 15;
}

.network-node:hover .network-node-content {
    background: rgba(23, 232, 196, 0.2);
    border-color: #17e8c4;
    box-shadow: 0 12px 32px rgba(23, 232, 196, 0.4), 0 0 20px rgba(23, 232, 196, 0.3);
    transform: translateZ(30px);
}

.network-node:hover .network-node-label {
    color: #17e8c4;
}

/* 연결선 기본 스타일은 SVG에서 정의 */

/* CTA 버튼 */
.about-cta-button-wrapper {
    margin-top: 80px;
    z-index: 20;
    position: relative;
}

.about-cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: #ffffff;
    color: #0a0a0a;
    font-size: 1.125rem;
    font-weight: 700;
    padding: 18px 40px;
    border-radius: 50px;
    text-decoration: none;
    transition: background 0.5s ease, transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s ease, color 0.3s ease;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

/* 호버 시 그라데이션 배경 효과 (about-content-title과 동일한 애니메이션, 밑줄 제외) */
.about-cta-button:hover {
    background: linear-gradient(135deg, #17e8c4 0%, #00D4FF 50%, #17e8c4 100%);
    background-size: 200% auto;
    animation: shineTitle 2s linear infinite;
    color: #0a0a0a;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(23, 232, 196, 0.4);
}

.cta-button-arrow {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
}

.about-cta-button:hover .cta-button-arrow {
    transform: translateX(4px);
}

/* 반응형 디자인 - CTA 네트워크 */
@media (max-width: 1199px) {
    .about-cta-network {
        padding: 100px 0 80px;
        min-height: 700px;
    }
    
    .about-cta-network-inner {
        height: 700px;
        padding: 0 2rem;
    }
    
    .network-center-title {
        font-size: 5rem;
    }
    
    .network-node-content {
        padding: 14px 20px;
    }
    
    .network-node-label {
        font-size: 0.8125rem;
    }
}

@media (max-width: 1023px) {
    .about-cta-network {
        padding: 80px 0 60px;
        min-height: 600px;
    }
    
    .about-cta-network-inner {
        height: 600px;
        padding: 0 1.5rem;
    }
    
    .network-center-title {
        font-size: 4rem;
    }
    
    .network-node-content {
        padding: 12px 18px;
        border-radius: 10px;
    }
    
    .network-node-label {
        font-size: 0.75rem;
    }
    
    .about-cta-button {
        font-size: 1rem;
        padding: 16px 32px;
    }
}

@media (max-width: 767px) {
    .about-cta-network {
        padding: 60px 0 50px;
        min-height: 500px;
    }
    
    .about-cta-network-inner {
        height: 500px;
        padding: 0 1.25rem;
    }
    
    .network-center-title {
        font-size: 3rem;
    }
    
    .network-node {
        transform: scale(0.85);
    }
    
    .network-node-content {
        padding: 10px 14px;
        border-radius: 8px;
    }
    
    .network-node-label {
        font-size: 0.6875rem;
    }
    
    .about-cta-button-wrapper {
        margin-top: 60px;
    }
    
    .about-cta-button {
        font-size: 0.9375rem;
        padding: 14px 28px;
    }
}

@media (max-width: 479px) {
    .about-cta-network {
        padding: 50px 0 40px;
        min-height: 450px;
    }
    
    .about-cta-network-inner {
        height: 450px;
        padding: 0 1rem;
    }
    
    .network-center-title {
        font-size: 2.5rem;
    }
    
    .network-node {
        transform: scale(0.75);
    }
    
    .network-node-content {
        padding: 4px 8px;
    }
    
    .network-node-label {
        font-size: 0.625rem;
    }
    
    .about-cta-button-wrapper {
        margin-top: 50px;
    }
    
    .about-cta-button {
        font-size: 0.875rem;
        padding: 12px 24px;
    }
}