/* 기본 스타일 초기화 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 루트 변수 */
:root {
    --color-bg: #000000;
    --color-text: #ffffff;
    --color-text-secondary: #a0a0a0;
    --color-card-bg: rgba(255, 255, 255, 0.05);
    --color-card-border: rgba(255, 255, 255, 0.1);
    --color-primary-yellow: #FFD93D;
    --color-primary-skyblue: #b3d9ff;
    --gradient-primary: linear-gradient(135deg, #FFD93D 0%, #b3d9ff 100%);
    --gradient-text: linear-gradient(90deg, #FFD93D, #b3d9ff);
    --font-main: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --max-width: 1920px;
    --spacing-xs: 1rem;
    --spacing-sm: 2rem;
    --spacing-md: 4rem;
    --spacing-lg: 6rem;
    --spacing-xl: 8rem;
}

/* 전역 스타일 */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
    font-size: 16px;
}

/* 컨테이너 */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 4rem;
}

@media (min-width: 1920px) {
    .container {
        max-width: 2200px;
        padding: 0 6rem;
    }
}

/* 무한 스크롤 배너 */
.marquee-container {
    background: #FFD93D;
    padding: 1rem 0;
    overflow: hidden;
    position: relative;
    z-index: 1000;
}

.marquee {
    display: flex;
    overflow: hidden;
    user-select: none;
}

.marquee-content {
    display: flex;
    animation: marquee 30s linear infinite;
    white-space: nowrap;
}

.marquee-item {
    display: inline-block;
    padding: 0 2rem;
    font-size: 1.3rem;
    font-weight: 600;
    color: #000000;
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* 헤더 */
.header {
    position: sticky;
    top: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-card-border);
    padding: 1.5rem 0;
    z-index: 999;
    box-shadow: 0 2px 20px rgba(179, 217, 255, 0.15);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 2rem;
    font-weight: 900;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #b3d9ff;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

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

.cta-button {
    background: #b3d9ff;
    color: #000000;
    padding: 0.7rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
}

.cta-button::after {
    display: none;
}

.cta-button:hover {
    color: #000000;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(179, 217, 255, 0.5);
}

/* 히어로 섹션 */
.hero-section {
    position: relative;
    padding: var(--spacing-xl) 0;
    text-align: center;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* 배경 동영상 레이어 */
.hero-video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.hero-background-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    opacity: 0.4;
}

.hero-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, 
        rgba(0, 0, 0, 0.75) 0%, 
        rgba(0, 0, 0, 0.6) 50%, 
        rgba(0, 0, 0, 0.85) 100%);
    z-index: 1;
}

/* 텍스트 레이어 */
.hero-content-wrapper {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: 5rem;
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
}

.hero-title-line1 {
    display: inline-block;
    font-size: 3.5rem;
}

.hero-title-line2 {
    display: inline-block;
    font-size: 5rem;
}

.hero-subtitle {
    font-size: 2.2rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    font-weight: 400;
}

/* WHY PIPELINE 섹션 */
.why-pipeline-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, transparent 0%, rgba(179, 217, 255, 0.05) 50%, transparent 100%);
}

.why-pipeline-content {
    text-align: center;
    max-width: 1400px;
    margin: 0 auto;
}

.why-pipeline-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--color-text-secondary);
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
}

.pipeline-concept {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: 40px;
    padding: 4rem;
    backdrop-filter: blur(10px);
}

.concept-main {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    line-height: 1.5;
}

.concept-description {
    font-size: 2.2rem;
    color: var(--color-text-secondary);
    line-height: 2;
    margin-bottom: var(--spacing-lg);
}

.pipeline-meaning {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.meaning-box {
    background: linear-gradient(135deg, rgba(179, 217, 255, 0.1), rgba(255, 217, 61, 0.1));
    border: 2px solid rgba(179, 217, 255, 0.3);
    border-radius: 28px;
    padding: 3rem 2.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.meaning-box:hover {
    background: linear-gradient(135deg, rgba(179, 217, 255, 0.2), rgba(255, 217, 61, 0.2));
    border-color: rgba(179, 217, 255, 0.6);
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(179, 217, 255, 0.3);
}

.meaning-box h3 {
    font-size: 2.4rem;
    font-weight: 700;
    color: #FFD93D;
    margin-bottom: 1.5rem;
    line-height: 1.4;
}

.meaning-box p {
    font-size: 1.8rem;
    color: var(--color-text-secondary);
    line-height: 2;
}

.concept-tagline {
    font-size: 2.6rem;
    font-weight: 700;
    line-height: 1.8;
    margin-top: var(--spacing-lg);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@media (max-width: 768px) {
    .pipeline-meaning {
        grid-template-columns: 1fr;
    }
}

/* 이벤트 섹션 */
.event-section {
    padding: var(--spacing-lg) 0;
}

.event-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: 32px;
    padding: var(--spacing-xl);
    text-align: center;
    backdrop-filter: blur(10px);
}

.section-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
    text-align: center;
}

.event-description {
    font-size: 2rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.event-highlight {
    font-size: 2.2rem;
    font-weight: 600;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.event-thanks {
    font-size: 1rem;
    color: var(--color-text-secondary);
}

.event-formula {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    background: rgba(179, 217, 255, 0.05);
    border-radius: 16px;
    border: 1px solid rgba(179, 217, 255, 0.2);
}

.event-formula p {
    font-size: 2.2rem;
    font-weight: 600;
    line-height: 2;
    color: var(--color-text);
}

.event-cta {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.8;
    margin-top: var(--spacing-md);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 포트폴리오 섹션 */
.portfolio-section {
    padding: var(--spacing-xl) 0;
}

.portfolio-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* 프로세스 탭 컨테이너 */
.process-tabs-container {
    max-width: 100%;
    margin: var(--spacing-lg) auto;
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: 32px;
    padding: var(--spacing-xl);
    backdrop-filter: blur(10px);
}

/* 탭 네비게이션 */
.process-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: nowrap;
    justify-content: center;
    overflow-x: auto;
}

.process-tabs-second-row {
    margin-bottom: var(--spacing-lg);
}

.tab-button {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-card-border);
    color: var(--color-text-secondary);
    padding: 1.6rem 3.5rem;
    border-radius: 50px;
    font-size: 1.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-main);
}

.tab-button:hover {
    background: rgba(179, 217, 255, 0.15);
    border-color: rgba(179, 217, 255, 0.4);
    transform: translateY(-2px);
}

.tab-button.active {
    background: #b3d9ff;
    border-color: #b3d9ff;
    color: #000000;
    font-weight: 700;
}

/* 탭 컨텐츠 */
.tab-content {
    display: none;
    animation: fadeInUp 0.5s ease;
}

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

.tab-content-inner {
    padding: var(--spacing-md) 0;
}

.tab-content-inner h3 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.tab-description {
    font-size: 2rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

/* 컨텐츠 그리드 */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.content-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-card-border);
    border-radius: 24px;
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
}

.content-card:hover {
    background: rgba(179, 217, 255, 0.08);
    border-color: rgba(179, 217, 255, 0.4);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(179, 217, 255, 0.2);
}

.content-card h4 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.content-card ul {
    list-style: none;
    padding: 0;
}

.content-card ul li {
    font-size: 1.7rem;
    color: var(--color-text-secondary);
    line-height: 2;
    padding: 0.6rem 0;
    padding-left: 2.5rem;
    position: relative;
}

.content-card ul li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #FFD93D;
    font-weight: 700;
}

/* S-T-A-R 다이어그램 (제거 또는 보존) */
.star-diagram-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--spacing-lg) 0;
}

.star-diagram {
    position: relative;
    width: 100%;
    max-width: 600px;
    height: 600px;
    margin: 0 auto var(--spacing-lg);
}

.star-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
}

.chatgpt-logo {
    width: 150px;
    height: 150px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid var(--color-card-border);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    backdrop-filter: blur(10px);
}

.chatgpt-logo span {
    font-size: 3rem;
}

.chatgpt-logo p {
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
    line-height: 1.3;
    color: var(--color-text-secondary);
}

.star-item {
    position: absolute;
    cursor: pointer;
    transition: all 0.4s ease;
}

.star-item:hover {
    transform: scale(1.1);
}

.star-item.active {
    transform: scale(1.15);
}

.star-letter {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #4A90E2 0%, #5B7FDB 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    font-weight: 900;
    color: white;
    box-shadow: 0 10px 30px rgba(74, 144, 226, 0.3);
    transition: all 0.3s ease;
}

.star-item:hover .star-letter {
    box-shadow: 0 15px 40px rgba(74, 144, 226, 0.5);
}

.star-label {
    text-align: center;
    margin-top: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-secondary);
}

/* S-T-A-R 위치 설정 */
.star-s {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.star-t {
    top: 50%;
    right: 0;
    transform: translateY(-50%);
}

.star-a {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.star-r {
    top: 50%;
    left: 0;
    transform: translateY(-50%);
}

/* 상세 설명 패널 */
.star-detail {
    display: none;
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: 20px;
    padding: var(--spacing-lg);
    margin-top: var(--spacing-md);
    animation: fadeInUp 0.5s ease;
    backdrop-filter: blur(10px);
}

.star-detail.active {
    display: block;
}

.star-detail h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.star-detail p {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.star-detail ul {
    list-style: none;
    padding: 0;
}

.star-detail ul li {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    padding: 0.7rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.star-detail ul li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #4A90E2;
    font-weight: 700;
}

.star-instruction {
    text-align: center;
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-md);
    font-style: italic;
}

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

.portfolio-intro {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.portfolio-logo {
    margin-bottom: var(--spacing-md);
}

.logo-placeholder {
    display: inline-block;
    font-size: 2rem;
    font-weight: 900;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding: 2rem;
    border: 2px solid var(--color-card-border);
    border-radius: 16px;
}

.portfolio-description {
    font-size: 1.1rem;
    line-height: 2;
    color: var(--color-text-secondary);
    max-width: 900px;
    margin: 0 auto;
}

/* 팀 그리드 */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.team-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: 28px;
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.4s ease;
    backdrop-filter: blur(10px);
}

.team-card:hover {
    transform: translateY(-10px);
    border-color: rgba(179, 217, 255, 0.5);
    box-shadow: 0 20px 40px rgba(179, 217, 255, 0.3);
}

.team-image {
    margin-bottom: var(--spacing-md);
}

.image-placeholder {
    width: 200px;
    height: 200px;
    margin: 0 auto;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
}

.team-photo {
    width: 200px;
    height: 200px;
    margin: 0 auto;
    border-radius: 50%;
    object-fit: cover;
    object-position: center;
    display: block;
    border: 3px solid rgba(179, 217, 255, 0.4);
    transition: all 0.3s ease;
}

.team-photo:hover {
    border-color: rgba(255, 217, 61, 0.8);
    transform: scale(1.05);
}

.team-name {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.team-role {
    font-size: 1.7rem;
    color: #b3d9ff;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.team-description {
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.team-card.coming-soon {
    opacity: 0.6;
}

.team-card.coming-soon:hover {
    opacity: 1;
}

/* 서비스 섹션 */
.service-section {
    padding: var(--spacing-xl) 0;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

@media (max-width: 1024px) {
    .service-grid {
        grid-template-columns: 1fr;
    }
}

.service-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: 32px;
    padding: 3rem;
    transition: all 0.4s ease;
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: rgba(179, 217, 255, 0.5);
    box-shadow: 0 20px 40px rgba(179, 217, 255, 0.3);
}

.service-number {
    font-size: 1.4rem;
    font-weight: 700;
    color: rgba(255, 217, 61, 0.9);
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
}

.service-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.4;
    color: var(--color-text);
}

.service-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #FFD93D, #b3d9ff);
    border-radius: 2px;
    margin-bottom: 2rem;
}

.service-intro {
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.service-description {
    font-size: 1.7rem;
    color: var(--color-text-secondary);
    line-height: 2;
    margin-bottom: 2rem;
}

.service-description strong {
    color: #6BCFFF;
    font-weight: 600;
}

.service-features {
    list-style: none;
    padding: 0;
    margin: 0;
    flex-grow: 1;
}

.service-features li {
    font-size: 1.7rem;
    color: var(--color-text-secondary);
    line-height: 2;
    padding-left: 2rem;
    margin-bottom: 1.2rem;
    position: relative;
}

.service-features li:before {
    content: '▸';
    position: absolute;
    left: 0;
    color: #FFD93D;
    font-weight: 700;
}

/* 클라이언트 섹션 */
.clients-section {
    padding: var(--spacing-xl) 0;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.client-logo {
    background: #ffffff;
    border: 1px solid var(--color-card-border);
    border-radius: 24px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 250px;
    font-weight: 600;
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.client-logo:hover {
    border-color: rgba(179, 217, 255, 0.5);
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(179, 217, 255, 0.25);
}

.partner-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: none;
}

/* Partner 1, 2는 contain으로 (비율 유지, 여백 있음) */
.partner-image[data-partner="1"],
.partner-image[data-partner="2"] {
    width: 90%;
    height: 90%;
    object-fit: contain;
    padding: 1rem;
}

/* Partner 3는 적당한 크기 (85% 크기, contain으로 잘림 방지) */
.partner-image[data-partner="3"] {
    width: 85%;
    height: 85%;
    object-fit: contain;
}

/* Partner 4는 cover로 (꽉 채움) */
.partner-image[data-partner="4"] {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.partner-image[src]:not([src=""]) {
    display: block;
}

.partner-image[src]:not([src=""]) ~ .partner-placeholder {
    display: none;
}

.partner-placeholder {
    display: block;
}

/* 브랜드 여정 시작 섹션 */
.journey-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, transparent 0%, rgba(179, 217, 255, 0.05) 50%, transparent 100%);
}

.journey-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: 32px;
    padding: var(--spacing-xl);
    backdrop-filter: blur(10px);
    text-align: center;
}

.journey-main-title {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.3;
    margin: var(--spacing-md) 0;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.journey-subtitle {
    font-size: 2rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
}

.journey-content {
    max-width: 900px;
    margin: 0 auto;
}

.journey-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

@media (max-width: 768px) {
    .journey-features {
        grid-template-columns: 1fr;
    }
}

.journey-feature-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2.5rem 3rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-card-border);
    border-radius: 20px;
    text-align: left;
    transition: all 0.3s ease;
}

.journey-feature-item:hover {
    background: rgba(179, 217, 255, 0.08);
    border-color: rgba(179, 217, 255, 0.5);
    transform: translateX(10px);
}

.feature-icon {
    font-size: 2.5rem;
    font-weight: 700;
    color: #FFD93D;
    flex-shrink: 0;
}

.journey-feature-item p {
    font-size: 1.9rem;
    color: var(--color-text);
    line-height: 1.9;
    margin: 0;
}

.journey-cta {
    margin-top: var(--spacing-lg);
}

.cta-button-large {
    display: inline-block;
    padding: 1.5rem 4rem;
    background: #b3d9ff;
    color: #000000;
    font-size: 1.8rem;
    font-weight: 700;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.4s ease;
    box-shadow: 0 10px 30px rgba(179, 217, 255, 0.4);
}

.cta-button-large:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(179, 217, 255, 0.6);
}

/* 파트너 섹션 */
.partners-section {
    padding: var(--spacing-xl) 0;
}

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

.partner-logo {
    background: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: 16px;
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 150px;
    font-weight: 600;
    color: var(--color-text-secondary);
    transition: all 0.3s ease;
}

.partner-logo:hover {
    border-color: rgba(139, 92, 246, 0.5);
    transform: scale(1.05);
}

/* 푸터 */
.footer {
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: 1px solid var(--color-card-border);
    margin-top: var(--spacing-xl);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 900;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-cta {
    background: #b3d9ff;
    color: #000000;
    text-decoration: none;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.footer-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(179, 217, 255, 0.4);
}

.footer-copyright {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-card-border);
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* 페이드 인 애니메이션 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 반응형 디자인 */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 4.5rem;
    }

    .hero-title-line1 {
        font-size: 3.5rem;
    }

    .hero-title-line2 {
        font-size: 4.5rem;
    }

    .hero-subtitle {
        font-size: 1.6rem;
    }

    .section-title {
        font-size: 3.5rem;
    }

    .tab-button {
        padding: 1.2rem 2.5rem;
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xs: 0.8rem;
        --spacing-sm: 1.5rem;
        --spacing-md: 2.5rem;
        --spacing-lg: 4rem;
        --spacing-xl: 5rem;
    }

    body {
        font-size: 16px;
    }

    .container {
        padding: 0 1.2rem;
    }

    /* 헤더 모바일 최적화 */
    .header {
        padding: 1rem 0;
    }

    .header-content {
        flex-direction: row;
        justify-content: space-between;
    }

    .logo {
        font-size: 1.2rem;
        letter-spacing: -0.05em;
    }

    .nav {
        gap: 0.5rem;
        flex-wrap: wrap;
        justify-content: flex-end;
    }

    .nav-link {
        font-size: 0.75rem;
        padding: 0.3rem 0.5rem;
    }

    .cta-button {
        padding: 0.5rem 1rem;
        font-size: 0.75rem;
    }

    /* 마퀴 배너 */
    .marquee-container {
        padding: 0.6rem 0;
    }

    .marquee-item {
        font-size: 0.85rem;
        padding: 0 1rem;
    }

    /* 히어로 섹션 모바일 최적화 */
    .hero-section {
        padding: 3rem 0;
        min-height: 60vh;
    }

    .hero-title {
        font-size: 2.5rem;
        margin-bottom: 1.5rem;
    }

    .hero-title-line1 {
        font-size: 1.8rem;
    }

    .hero-title-line2 {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 0.95rem;
        line-height: 1.6;
    }

    /* WHY PIPELINE 섹션 */
    .why-pipeline-title {
        font-size: 2rem;
    }

    .pipeline-concept {
        padding: 2rem 1.5rem;
        border-radius: 24px;
    }

    .concept-main {
        font-size: 1.6rem;
    }

    .concept-description {
        font-size: 1.1rem;
    }

    .meaning-box {
        padding: 2rem 1.5rem;
    }

    .meaning-box h3 {
        font-size: 1.4rem;
    }

    .meaning-box p {
        font-size: 1rem;
    }

    .concept-tagline {
        font-size: 1.4rem;
    }

    /* 이벤트 섹션 */
    .event-card {
        padding: 2.5rem 1.5rem;
    }

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

    .event-description {
        font-size: 1.05rem;
    }

    .event-highlight {
        font-size: 1.15rem;
    }

    .event-formula {
        padding: 1.5rem;
    }

    .event-formula p {
        font-size: 1.15rem;
    }

    .event-cta {
        font-size: 1.3rem;
    }

    /* 프로세스 탭 */
    .process-tabs-container {
        padding: 2rem 1rem;
    }

    .process-tabs {
        gap: 0.5rem;
        margin-bottom: 2rem;
        flex-wrap: wrap;
    }

    .tab-button {
        padding: 0.8rem 1.2rem;
        font-size: 0.85rem;
        white-space: nowrap;
        flex: 0 1 auto;
    }

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

    .tab-content-inner h3 {
        font-size: 1.8rem;
    }

    .tab-description {
        font-size: 1rem;
    }

    .content-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .content-card {
        padding: 2rem 1.5rem;
    }

    .content-card h4 {
        font-size: 1.4rem;
    }

    .content-card ul li {
        font-size: 0.95rem;
    }

    /* 팀 카드 */
    .team-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .team-card {
        padding: 2rem 1.5rem;
    }

    .team-photo,
    .image-placeholder {
        width: 150px;
        height: 150px;
    }

    .team-name {
        font-size: 1.6rem;
    }

    .team-role {
        font-size: 1.1rem;
    }

    .team-description {
        font-size: 0.95rem;
    }

    /* 서비스 섹션 */
    .service-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .service-card {
        padding: 2rem 1.5rem;
    }

    .service-number {
        font-size: 1rem;
    }

    .service-title {
        font-size: 1.8rem;
    }

    .service-intro {
        font-size: 1.2rem;
    }

    .service-description {
        font-size: 1rem;
    }

    .service-features li {
        font-size: 0.95rem;
    }

    /* 클라이언트 섹션 */
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .client-logo {
        height: 150px;
        font-size: 1rem;
    }

    /* 여정 섹션 */
    .journey-card {
        padding: 2.5rem 1.5rem;
    }

    .journey-main-title {
        font-size: 2rem;
    }

    .journey-subtitle {
        font-size: 1.1rem;
    }

    .journey-features {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .journey-feature-item {
        padding: 1.5rem 1.2rem;
    }

    .journey-feature-item p {
        font-size: 1rem;
    }

    .feature-icon {
        font-size: 1.8rem;
    }

    .cta-button-large {
        padding: 1.2rem 2.5rem;
        font-size: 1.1rem;
    }

    /* 푸터 */
    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .footer-logo {
        font-size: 1.2rem;
    }

    .footer-cta {
        padding: 0.7rem 1.8rem;
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1rem;
    }

    .nav-link {
        font-size: 0.7rem;
    }

    .cta-button {
        padding: 0.4rem 0.8rem;
        font-size: 0.7rem;
    }

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

    .hero-title-line1 {
        font-size: 1.5rem;
    }

    .hero-title-line2 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 0.85rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .tab-button {
        padding: 0.7rem 1rem;
        font-size: 0.75rem;
    }

    .content-card h4 {
        font-size: 1.2rem;
    }

    .service-title {
        font-size: 1.5rem;
    }

    .journey-main-title {
        font-size: 1.6rem;
    }

    .clients-grid {
        grid-template-columns: 1fr;
    }
}