/* ===================================
   파인더북스 - 스타일시트
   금성출판사 스타일 참고 리디자인
   =================================== */

/* CSS Variables - 디자인 시스템 */
:root {
    /* 색상 */
    --color-primary: #1a1a1a;
    --color-secondary: #4a4a4a;
    --color-muted: #888888;
    --color-light: #f8f9fa;
    --color-white: #ffffff;
    --color-border: #e5e5e5;
    --color-accent: #2563eb;
    --color-accent-hover: #1d4ed8;

    /* 타이포그래피 */
    --font-sans: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Noto Serif KR', Georgia, serif;

    /* 간격 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 5rem;

    /* 전환 효과 */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* 그림자 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);

    /* 최대 너비 */
    --max-width: 1200px;
    --max-width-narrow: 900px;

    /* 헤더 높이 */
    --header-height: 72px;
}

/* Reset & Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-primary);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* ===================================
   사이트 헤더 (메가 메뉴)
   =================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    height: var(--header-height);
    transition: all var(--transition-base);
}

.site-header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* 로고 */
.header-logo {
    display: flex;
    align-items: center;
}

.header-logo .logo-img {
    height: 44px;
    width: auto;
}

.header-logo .logo-text {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
}

/* 메가 메뉴 네비게이션 */
.mega-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-item {
    position: relative;
}

.nav-link {
    display: block;
    padding: var(--spacing-md) 0;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--color-secondary);
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-primary);
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-accent);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.nav-item:hover::after {
    transform: scaleX(1);
}

/* 메가 드롭다운 */
.mega-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 220px;
    background: var(--color-white);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    padding: var(--spacing-md) 0;
}

.nav-item:hover .mega-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

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

.dropdown-menu {
    list-style: none;
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-sm);
    font-size: 0.9rem;
    color: var(--color-secondary);
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.dropdown-menu a:hover {
    background: var(--color-light);
    color: var(--color-primary);
}

/* 브랜드 링크 버튼 (한국시사) */
.brand-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--color-accent);
    color: var(--color-white);
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-base);
}

.brand-link:hover {
    background: var(--color-accent-hover);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.brand-link .arrow {
    transition: transform var(--transition-fast);
}

.brand-link:hover .arrow {
    transform: translateX(3px);
}

.brand-link-light {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.brand-link-light:hover {
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

/* 모바일 메뉴 버튼 */
.mobile-menu-btn {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
}

.hamburger {
    position: relative;
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    transition: all var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    transition: all var(--transition-fast);
}

.hamburger::before {
    top: -7px;
}

.hamburger::after {
    top: 7px;
}

.hamburger-light,
.hamburger-light::before,
.hamburger-light::after {
    background: var(--color-white);
}

.mobile-menu-btn.active .hamburger {
    background: transparent;
}

.mobile-menu-btn.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.mobile-menu-btn.active .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* 모바일 메뉴 */
.mobile-menu {
    display: none;
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    padding: var(--spacing-lg);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-nav-group {
    margin-bottom: var(--spacing-lg);
}

.mobile-nav-title {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-muted);
    margin-bottom: var(--spacing-sm);
}

.mobile-nav-link {
    display: block;
    padding: var(--spacing-sm) 0;
    font-size: 1rem;
    color: var(--color-primary);
    border-bottom: 1px solid var(--color-border);
}

.mobile-brand-link {
    display: block;
    margin-top: var(--spacing-xl);
    padding: var(--spacing-md);
    background: var(--color-accent);
    color: var(--color-white);
    text-align: center;
    border-radius: 8px;
    font-weight: 500;
}

/* 다크 헤더 (한국시사) */
.site-header-dark {
    background: transparent;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.site-header-dark .nav-link {
    color: rgba(255, 255, 255, 0.8);
}

.site-header-dark .nav-link:hover {
    color: var(--color-white);
}

/* ===================================
   풀스크린 히어로 섹션
   =================================== */
.hero-fullscreen {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--header-height) var(--spacing-lg) var(--spacing-2xl);
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    overflow: hidden;
}

.hero-dark {
    background: linear-gradient(135deg, #0f0f0f 0%, #1a1a2e 50%, #16213e 100%);
    color: var(--color-white);
}

/* 배경 도형 애니메이션 */
.hero-bg-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    animation: float 15s ease-in-out infinite;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    top: -150px;
    right: -100px;
    animation-delay: 0s;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    bottom: -100px;
    left: 5%;
    animation-delay: -5s;
}

.shape-3 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    top: 40%;
    left: -80px;
    animation-delay: -10s;
}

.shape-4 {
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    top: 20%;
    right: 15%;
    animation-delay: -7s;
}

.shape-5 {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    bottom: 30%;
    right: 5%;
    animation-delay: -3s;
}

.shape-dark-1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    top: -200px;
    right: -200px;
    opacity: 0.15;
}

.shape-dark-2 {
    width: 350px;
    height: 350px;
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    bottom: -150px;
    left: -100px;
    opacity: 0.1;
}

.shape-dark-3 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    top: 50%;
    left: 20%;
    opacity: 0.08;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    25% {
        transform: translateY(-20px) rotate(2deg);
    }

    50% {
        transform: translateY(-40px) rotate(-1deg);
    }

    75% {
        transform: translateY(-20px) rotate(1deg);
    }
}

/* 히어로 콘텐츠 */
.hero-content {
    text-align: center;
    z-index: 10;
    max-width: 800px;
}

.hero-eyebrow {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.hero-dark .hero-eyebrow {
    color: rgba(255, 255, 255, 0.6);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 7vw, 4.5rem);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
}

.hero-title span {
    display: block;
}

.hero-title-large {
    font-size: clamp(3rem, 10vw, 6rem);
}

.hero-subtitle {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-xl);
}

.hero-dark .hero-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 8px;
    font-weight: 500;
    transition: all var(--transition-base);
}

.hero-cta:hover {
    background: var(--color-secondary);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.hero-cta svg {
    transition: transform var(--transition-fast);
}

.hero-cta:hover svg {
    transform: translate(3px, -3px);
}

/* Coming Soon 배지 */
.coming-soon-badge {
    display: inline-block;
    padding: 0.75rem 2rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: rgba(255, 255, 255, 0.8);
}

/* 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);
}

.scroll-text {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--color-muted);
}

.scroll-indicator-light .scroll-text {
    color: rgba(255, 255, 255, 0.5);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-muted), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

.scroll-indicator-light .scroll-line {
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.5), transparent);
}

@keyframes scrollPulse {

    0%,
    100% {
        opacity: 0.3;
        transform: scaleY(0.8);
    }

    50% {
        opacity: 1;
        transform: scaleY(1);
    }
}

/* 텍스트 애니메이션 */
.animate-text {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

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

/* ===================================
   섹션 공통 스타일
   =================================== */
.section-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.section-header {
    margin-bottom: var(--spacing-xl);
}

.section-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 600;
    letter-spacing: -0.02em;
}

.section-desc {
    font-size: 1rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-xl);
}

/* 섹션 애니메이션 */
.section-animate {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease;
}

.section-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===================================
   회사 소개 섹션
   =================================== */
.about-section {
    background: var(--color-white);
}

.about-content {
    max-width: var(--max-width-narrow);
}

.about-lead {
    font-family: var(--font-serif);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.about-text {
    font-size: 1rem;
    line-height: 2;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-xl);
}

.about-stats {
    display: flex;
    gap: var(--spacing-2xl);
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-muted);
}

/* ===================================
   POD 섹션
   =================================== */
.pod-section {
    background: var(--color-light);
}

.pod-intro {
    margin-bottom: var(--spacing-2xl);
}

.pod-lead {
    font-family: var(--font-serif);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.pod-desc {
    font-size: 1rem;
    color: var(--color-secondary);
    max-width: 600px;
}

.pod-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.pod-feature {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.pod-feature:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-light);
    border-radius: 12px;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

.feature-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.feature-desc {
    font-size: 0.9rem;
    color: var(--color-secondary);
}

.pod-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: var(--color-accent);
    color: var(--color-white);
    border-radius: 8px;
    font-weight: 500;
    transition: all var(--transition-base);
}

.pod-cta:hover {
    background: var(--color-accent-hover);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* ===================================
   도서 섹션
   =================================== */
.books-section {
    background: var(--color-white);
}

.books-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.book-card {
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-base);
}

.book-card:hover {
    transform: translateY(-8px);
}

.book-cover {
    position: relative;
    aspect-ratio: 3/4;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transition: box-shadow var(--transition-base);
}

.book-card:hover .book-cover {
    box-shadow: var(--shadow-lg);
}

.book-cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.book-cover-inner,
.book-cover-fallback {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-md);
    color: var(--color-white);
}

.book-cover-title {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.book-cover-author {
    font-size: 0.85rem;
    opacity: 0.9;
}

.book-cover-year {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.95);
    color: var(--color-primary);
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 4px;
}

.book-status-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: var(--color-primary);
    color: var(--color-white);
    padding: 0.25rem 0.75rem;
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 4px;
}

.book-status-badge.soldout {
    background: #dc3545;
}

.book-info {
    flex: 1;
}

.book-title {
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.5;
    margin-bottom: 0.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.book-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-muted);
    font-size: 0.85rem;
}

.book-price {
    font-weight: 500;
    color: var(--color-primary);
}

/* ===================================
   저자 섹션
   =================================== */
.authors-section {
    background: var(--color-light);
}

.authors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.author-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--color-white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.author-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.author-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-white);
    flex-shrink: 0;
}

.author-info {
    flex: 1;
}

.author-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.author-bio {
    font-size: 0.85rem;
    color: var(--color-secondary);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.author-books {
    font-size: 0.8rem;
    color: var(--color-muted);
    margin-top: 0.5rem;
}

/* ===================================
   Support 섹션
   =================================== */
.support-section {
    background: var(--color-primary);
    color: var(--color-white);
}

.support-section .section-label {
    color: rgba(255, 255, 255, 0.6);
}

.support-section .section-title {
    color: var(--color-white);
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.support-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.support-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
}

.support-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--color-white);
}

.support-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.support-desc {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.support-link {
    display: inline-block;
    color: var(--color-white);
    font-weight: 500;
    padding-bottom: 2px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    transition: all var(--transition-fast);
}

.support-link:hover {
    color: var(--color-white);
    border-bottom-color: var(--color-white);
}

.support-link-phone {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

/* ===================================
   Coming Soon 섹션 (한국시사)
   =================================== */
.coming-soon-section {
    background: var(--color-light);
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.coming-soon-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.coming-soon-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border-radius: 50%;
    color: var(--color-muted);
    box-shadow: var(--shadow-sm);
}

.coming-soon-title {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.coming-soon-desc {
    font-size: 1rem;
    color: var(--color-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.coming-soon-divider {
    width: 60px;
    height: 2px;
    background: var(--color-border);
    margin: 0 auto var(--spacing-lg);
}

.coming-soon-contact {
    font-size: 0.9rem;
    color: var(--color-muted);
    margin-bottom: var(--spacing-md);
}

.coming-soon-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 6px;
    font-weight: 500;
    transition: all var(--transition-base);
}

.coming-soon-cta:hover {
    background: var(--color-secondary);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* ===================================
   푸터
   =================================== */
.site-footer {
    padding: var(--spacing-xl) var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    background: var(--color-white);
}

.site-footer-dark {
    background: #0f0f0f;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-white);
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.footer-brand {
    display: flex;
    align-items: center;
}

.footer-logo-img {
    height: 36px;
    width: auto;
}

.footer-logo-text {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.85rem;
}

.footer-links .divider {
    color: var(--color-border);
}

.site-footer-dark .footer-links .divider {
    color: rgba(255, 255, 255, 0.2);
}

.footer-links a {
    color: var(--color-secondary);
}

.site-footer-dark .footer-links a {
    color: rgba(255, 255, 255, 0.6);
}

.footer-links a:hover {
    color: var(--color-primary);
}

.site-footer-dark .footer-links a:hover {
    color: var(--color-white);
}

.footer-copyright {
    font-size: 0.8rem;
    color: var(--color-muted);
}

.site-footer-dark .footer-copyright {
    color: rgba(255, 255, 255, 0.4);
}

/* ===================================
   반응형 디자인
   =================================== */
@media (max-width: 1024px) {
    .nav-list {
        gap: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 64px;
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-2xl: 3rem;
    }

    /* 모바일 헤더 */
    .mega-nav {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-menu {
        display: block;
    }

    .brand-link {
        display: none;
    }

    /* 히어로 */
    .hero-fullscreen {
        min-height: calc(100vh - 64px);
        padding: var(--spacing-xl) var(--spacing-sm);
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

    /* 섹션 */
    .section-container {
        padding: var(--spacing-xl) var(--spacing-sm);
    }

    .about-stats {
        justify-content: center;
        gap: var(--spacing-xl);
    }

    .stat-number {
        font-size: 2.25rem;
    }

    .pod-features {
        grid-template-columns: 1fr;
    }

    .books-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

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

@media (max-width: 480px) {
    .books-grid {
        grid-template-columns: 1fr;
    }

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

    .author-card {
        flex-direction: column;
        text-align: center;
    }

    .about-stats {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-lg);
    }
}

/* ===================================
   POD 페이지 전용 스타일
   =================================== */

/* POD 히어로 */
.hero-pod {
    background: linear-gradient(135deg, #1e3a5f 0%, #0d1b2a 50%, #1b263b 100%);
    color: var(--color-white);
}

.shape-pod-1 {
    width: 450px;
    height: 450px;
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    top: -200px;
    right: -150px;
    opacity: 0.15;
}

.shape-pod-2 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    bottom: -100px;
    left: -50px;
    opacity: 0.12;
}

.shape-pod-3 {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    top: 40%;
    left: 15%;
    opacity: 0.08;
}

.hero-pod .hero-eyebrow {
    color: rgba(255, 255, 255, 0.6);
}

.hero-pod .hero-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.hero-pod .hero-cta {
    background: var(--color-accent);
}

.hero-pod .hero-cta:hover {
    background: var(--color-accent-hover);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

/* POD 소개 섹션 */
.pod-intro-section {
    background: var(--color-white);
}

.pod-intro-text {
    font-size: 1.1rem;
    line-height: 2;
    color: var(--color-secondary);
    max-width: 700px;
}

/* POD 특징 섹션 */
.pod-features-section {
    background: var(--color-light);
}

.pod-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-lg);
}

.pod-feature-card {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.pod-feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-number {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-light);
    line-height: 1;
}

.feature-icon-large {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
    border-radius: 16px;
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
}

.feature-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.feature-card-desc {
    font-size: 0.95rem;
    color: var(--color-secondary);
    line-height: 1.7;
}

/* POD CTA 섹션 */
.pod-cta-section {
    background: linear-gradient(135deg, #1e3a5f 0%, #0d1b2a 100%);
    color: var(--color-white);
}

.pod-cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.pod-cta-title {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--spacing-md);
}

.pod-cta-desc {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

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

.pod-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 500;
    transition: all var(--transition-base);
}

.pod-cta-btn.primary {
    background: var(--color-accent);
    color: var(--color-white);
}

.pod-cta-btn.primary:hover {
    background: var(--color-accent-hover);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

.pod-cta-btn.secondary {
    background: transparent;
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.pod-cta-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.5);
}

/* 반응형 POD 페이지 */
@media (max-width: 768px) {
    .pod-features-grid {
        grid-template-columns: 1fr;
    }

    .feature-number {
        font-size: 2rem;
    }

    .pod-cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .pod-cta-btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
}

/* ===================================
   Spline 3D 뷰어 스타일
   =================================== */

/* Spline 히어로 섹션 */
.hero-spline {
    position: relative;
    overflow: hidden;
    background: #0d1b2a;
}

.spline-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.spline-container spline-viewer {
    width: 100%;
    height: 100%;
}

/* Spline 워터마크 숨기기 */
.spline-container spline-viewer::part(logo) {
    display: none !important;
}

/* iframe 워터마크 가리기 - 우측 하단 */
.spline-container::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 250px;
    height: 80px;
    background: linear-gradient(to right, transparent 0%, #fff 40%);
    pointer-events: none;
    z-index: 100;
}

/* 추가: 좌측 하단도 가리기 (혹시 다른 위치에 있을 경우) */
.spline-container::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 250px;
    height: 80px;
    background: linear-gradient(to left, transparent 0%, #fff 40%);
    pointer-events: none;
    z-index: 100;
}

/* Spline 위에 컨텐츠 오버레이 */
.hero-overlay-content {
    position: relative;
    z-index: 10;
    pointer-events: none;
}

.hero-overlay-content .hero-cta {
    pointer-events: auto;
}

/* Spline 위의 스크롤 인디케이터 */
.hero-spline .scroll-indicator {
    z-index: 10;
}

/* 반응형 Spline */
@media (max-width: 768px) {
    .hero-spline .hero-overlay-content {
        padding: 0 var(--spacing-md);
    }

    .hero-spline .hero-title span {
        font-size: clamp(2rem, 8vw, 3rem);
    }
}

/* ===================================
   BEYOND POD 커스텀 히어로 섹션
   =================================== */

.hero-beyond-pod {
    position: relative;
    width: 100%;
    min-height: 100vh;
    background: linear-gradient(180deg,
            #fff 0%,
            #ffe4ec 30%,
            #ffd6e7 50%,
            #e8d5f2 70%,
            #fff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* 마우스 따라다니는 그라데이션 원 */
#mouse-circle {
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle,
            rgba(255, 150, 180, 0.6) 0%,
            rgba(192, 132, 252, 0.5) 40%,
            rgba(96, 165, 250, 0.3) 70%,
            transparent 100%);
    pointer-events: none;
    z-index: 2;
    transform: translate(-50%, -50%);
    transition: left 0.15s ease-out, top 0.15s ease-out;
    filter: blur(40px);
}

/* 파티클 캔버스 */
#particle-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* 콘텐츠 */
.beyond-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: var(--spacing-lg);
    animation: slideUp 1s ease-out;
}

@keyframes slideUp {
    0% {
        opacity: 0;
        transform: translateY(60px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 상단 태그라인 - 더 두껍고 크게 */
.beyond-tagline {
    font-size: clamp(1.4rem, 3vw, 1.8rem);
    font-weight: 700;
    letter-spacing: 0.25em;
    margin-bottom: var(--spacing-xl);
    background: linear-gradient(90deg, #ff6b9d, #c084fc, #60a5fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: slideUp 1s ease-out 0.2s both;
}

@keyframes shimmer {

    0%,
    100% {
        opacity: 0.8;
    }

    50% {
        opacity: 1;
    }
}

/* 메인 타이틀 */
.beyond-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    margin-bottom: var(--spacing-2xl);
}

.beyond-title .title-line {
    font-size: clamp(4rem, 18vw, 12rem);
    font-weight: 900;
    line-height: 0.85;
    letter-spacing: -0.02em;
    color: #1a1a1a;
    position: relative;
}

/* 노이즈/글리터 효과 오버레이 */
.beyond-title .title-line::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"><filter id="noise"><feTurbulence type="fractalNoise" baseFrequency="0.9" numOctaves="4" stitchTiles="stitch"/></filter><rect width="100%" height="100%" filter="url(%23noise)" opacity="0.08"/></svg>');
    mix-blend-mode: overlay;
    pointer-events: none;
    opacity: 0.5;
}

/* CTA 버튼 */
.beyond-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 3rem;
    font-size: 1rem;
    font-weight: 500;
    color: #fff;
    background: #1a1a1a;
    border: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    cursor: pointer;
    animation: slideUp 1s ease-out 0.6s both;
}

.beyond-cta:hover {
    background: #333;
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    color: #fff;
}

/* 반응형 */
@media (max-width: 768px) {
    .beyond-tagline {
        letter-spacing: 0.15em;
        padding: 0 var(--spacing-sm);
    }

    .beyond-title .title-line {
        font-size: clamp(3rem, 15vw, 6rem);
    }

    .beyond-cta {
        padding: 0.875rem 2rem;
    }
}