/* ===================================================
   게동가이드 — 메인 스타일시트
   현대적 에디토리얼 스타일, 온페이지 SEO 랜딩
   =================================================== */

/* ------------------------------------------------------------------
   CSS Custom Properties (디자인 토큰)
   ------------------------------------------------------------------ */
:root {
    /* 컬러 — 내추럴 웜톤 */
    --color-bg: #FAF9F7;
    --color-surface: #FFFFFF;
    --color-bg-alt: #F3F0EC;
    --color-text: #1A1A1A;
    --color-text-light: #6B6B6B;
    --color-text-muted: #9B9B9B;
    --color-border: #E5E0DA;
    --color-border-dark: #D5CFC7;
    --color-accent: #C4756B;
    --color-accent-deep: #A85D53;
    --color-secondary: #8A9A7B;
    --color-footer: #2A2826;
    --color-footer-text: #A09B94;

    /* 타이포그래피 — Inter + 시스템 한글 폴백 */
    --font-heading: 'Inter', 'SF Pro Display', -apple-system, 'Apple SD Gothic Neo', sans-serif;
    --font-body: 'Inter', 'SF Pro Text', -apple-system, 'Apple SD Gothic Neo', sans-serif;

    /* 사이즈 스케일 (clamp 기반 반응형) */
    --text-hero: clamp(2.5rem, 5vw, 4rem);
    --text-3xl: clamp(1.75rem, 3vw, 2.5rem);
    --text-2xl: 1.5rem;
    --text-xl: 1.25rem;
    --text-base: 1rem;
    --text-sm: 0.875rem;
    --text-xs: 0.75rem;

    /* 간격 */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 5rem;
    --spacing-4xl: 7rem;

    /* 레이아웃 */
    --max-width: 1080px;
    --max-width-narrow: 780px;
    --header-height: 64px;

    /* 둥근 모서리 — 날카롭게 축소 */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;

    /* 그림자 — 미니멀 */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.05);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.06);

    /* 트랜지션 */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: 400;
    line-height: 1.75;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

/* 화면 읽기 전용 (접근성) */
.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;
}

/* ------------------------------------------------------------------
   헤더 / 내비게이션
   ------------------------------------------------------------------ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    height: var(--header-height);
    transition: box-shadow var(--transition-base);
}

.site-header.scrolled {
    box-shadow: 0 1px 6px rgba(0,0,0,0.06);
}

.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: 텍스트 + 미니멀 SVG 마크 */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--text-xl);
    color: var(--color-text);
    letter-spacing: -0.01em;
    transition: opacity var(--transition-fast);
}

.logo:hover {
    opacity: 0.75;
}

.logo-mark {
    flex-shrink: 0;
    color: var(--color-accent);
}

/* 내비게이션 */
.site-nav ul {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-link {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-light);
    padding: var(--spacing-xs) 0;
    transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-accent);
}

.nav-link.active {
    font-weight: 600;
}

/* 햄버거 메뉴 (모바일) */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    transition: transform var(--transition-base), opacity var(--transition-base);
}

/* ------------------------------------------------------------------
   버튼
   ------------------------------------------------------------------ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 1.6rem;
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 1.5px solid transparent;
    line-height: 1.4;
}

.btn-primary {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background: var(--color-accent-deep);
    border-color: var(--color-accent-deep);
}

.btn-outline {
    background: transparent;
    color: var(--color-accent);
    border-color: var(--color-border-dark);
}

.btn-outline:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
}

/* ------------------------------------------------------------------
   히어로 섹션
   ------------------------------------------------------------------ */
.hero {
    padding: var(--spacing-4xl) var(--spacing-lg);
    position: relative;
    overflow: hidden;
    background: var(--color-bg);
}

/* 대형 기하학 액센트 (우측) */
.hero::after {
    content: '';
    position: absolute;
    top: 10%;
    right: -8%;
    width: 460px;
    height: 460px;
    border-radius: 50%;
    background: var(--color-accent);
    opacity: 0.06;
    pointer-events: none;
}

.hero-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: var(--text-hero);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.025em;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
    max-width: 680px;
}

.hero-title-line {
    display: block;
}

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

.hero-desc {
    font-family: var(--font-body);
    font-size: var(--text-xl);
    color: var(--color-text-light);
    line-height: 1.75;
    max-width: 520px;
    margin-bottom: var(--spacing-2xl);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* 히어로 메인 CTA — 크고 잘 보이는 게동 바로가기 */
.btn-hero-main {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 1.1rem 2.8rem;
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 600;
    color: #fff;
    background: var(--color-accent);
    border-radius: var(--radius-sm);
    transition: background var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
    letter-spacing: -0.01em;
}

.btn-hero-main:hover {
    background: var(--color-accent-deep);
    transform: scale(1.04);
    box-shadow: 0 8px 28px rgba(196,117,107,0.35);
}

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

.btn-hero-main:hover svg {
    transform: translateX(4px);
}

/* ------------------------------------------------------------------
   섹션 공통
   ------------------------------------------------------------------ */
.section-header {
    margin-bottom: var(--spacing-2xl);
}

.section-rule {
    width: 32px;
    height: 2px;
    background: var(--color-accent);
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.015em;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.section-desc {
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--color-text-light);
    max-width: 480px;
    line-height: 1.75;
}

/* ------------------------------------------------------------------
   가이드 카드 그리드
   ------------------------------------------------------------------ */
.guides {
    padding: var(--spacing-4xl) var(--spacing-lg);
    background: var(--color-surface);
}

.guides-inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-2xl) var(--spacing-xl);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
    border-color: var(--color-border-dark);
    box-shadow: var(--shadow-lg);
}

.card-icon {
    margin-bottom: var(--spacing-lg);
    line-height: 1;
    color: var(--color-accent);
}

.card-icon svg {
    display: block;
}

.card-title {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.01em;
}

.card-desc {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.card-link {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-accent);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: color var(--transition-fast);
}

.card-link::after {
    content: '→';
    transition: transform var(--transition-fast);
}

.card-link:hover {
    color: var(--color-accent-deep);
}

.card-link:hover::after {
    transform: translateX(3px);
}

/* ------------------------------------------------------------------
   미션 / 소개 섹션
   ------------------------------------------------------------------ */
.mission {
    padding: var(--spacing-4xl) var(--spacing-lg);
    background: var(--color-bg-alt);
}

.mission-inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.mission-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

/* 풀-퀏 스타일 강조문 */
.mission-highlight {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 500;
    color: var(--color-accent);
    line-height: 1.4;
    padding-left: var(--spacing-lg);
    border-left: 2px solid var(--color-accent);
    margin-bottom: var(--spacing-xl);
}

.mission-text p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    font-size: var(--text-base);
    line-height: 1.85;
}

/* 밸류 아이템 */
.mission-values {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.value-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-lg) var(--spacing-md);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-base);
}

.value-item:hover {
    border-color: var(--color-border-dark);
}

.value-icon {
    flex-shrink: 0;
    color: var(--color-accent);
    margin-top: 2px;
}

.value-item h3 {
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 2px;
}

.value-item p {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ------------------------------------------------------------------
   본문 내 인라인 링크
   ------------------------------------------------------------------ */
.inline-link {
    color: var(--color-accent);
    font-weight: 500;
    text-decoration: underline;
    text-underline-offset: 2px;
    text-decoration-thickness: 1px;
}

.inline-link:hover {
    color: var(--color-accent-deep);
}

/* ------------------------------------------------------------------
   CTA / 메인사이트 이동 섹션
   ------------------------------------------------------------------ */
.cta {
    padding: var(--spacing-4xl) var(--spacing-lg);
    background: var(--color-footer);
    color: #fff;
    position: relative;
    overflow: hidden;
    text-align: center;
}

/* 기하학적 배경 액센트 */
.cta::after {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: var(--color-accent);
    opacity: 0.1;
    pointer-events: none;
}

.cta-inner {
    max-width: var(--max-width-narrow);
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.cta-title {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.015em;
    margin-bottom: var(--spacing-sm);
}

.cta-desc {
    font-size: var(--text-base);
    opacity: 0.7;
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.cta-action {
    margin-bottom: var(--spacing-md);
}

.btn-cta-large {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 1rem 2.5rem;
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 600;
    color: #fff;
    background: var(--color-accent);
    border-radius: var(--radius-sm);
    transition: background var(--transition-base), transform var(--transition-base);
}

.btn-cta-large:hover {
    background: var(--color-accent-deep);
    transform: scale(1.03);
}

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

.btn-cta-large:hover svg {
    transform: translateX(3px);
}

.cta-note {
    font-size: var(--text-xs);
    opacity: 0.45;
}

/* ------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------ */
.site-footer {
    background: var(--color-footer);
    color: var(--color-footer-text);
    padding: var(--spacing-3xl) var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
}

.footer-brand {
    margin-bottom: var(--spacing-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: var(--spacing-sm);
    color: #fff;
}

.footer-logo .logo-mark {
    color: var(--color-accent);
}

.footer-tagline {
    font-size: var(--text-sm);
    color: var(--color-footer-text);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-col h3 {
    font-family: var(--font-heading);
    font-size: var(--text-xs);
    font-weight: 600;
    color: rgba(255,255,255,0.5);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.footer-col li {
    margin-bottom: var(--spacing-sm);
}

.footer-col a {
    font-size: var(--text-sm);
    color: var(--color-footer-text);
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: #fff;
}

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-bottom p {
    font-size: var(--text-xs);
    color: rgba(255,255,255,0.35);
}

/* ------------------------------------------------------------------
   서브페이지 공통 레이아웃
   ------------------------------------------------------------------ */
.content-page {
    padding: var(--spacing-4xl) var(--spacing-lg);
}

.content-page-inner {
    max-width: var(--max-width-narrow);
    margin: 0 auto;
}

/* 본문 prose 스타일 */
.prose {
    font-size: var(--text-base);
    line-height: 1.85;
    color: var(--color-text);
}

.prose h1 { font-family: var(--font-heading); font-size: var(--text-3xl); font-weight: 700; margin: 2.5rem 0 1rem; line-height: 1.2; }
.prose h2 { font-family: var(--font-heading); font-size: var(--text-2xl); font-weight: 600; margin: 2.5rem 0 0.75rem; line-height: 1.25; }
.prose h3 { font-family: var(--font-heading); font-size: var(--text-xl); font-weight: 600; margin: 2rem 0 0.5rem; }
.prose p { margin-bottom: 1.25rem; }
.prose ul, .prose ol { margin: 0 0 1.25rem 1.5rem; }
.prose li { margin-bottom: 0.4rem; }
.prose strong { font-weight: 600; }
.prose a { color: var(--color-accent); text-decoration: underline; text-underline-offset: 2px; }
.prose a:hover { color: var(--color-accent-deep); }
.prose blockquote { border-left: 2px solid var(--color-accent); padding: 0.5rem 0 0.5rem 1.5rem; margin: 1.5rem 0; color: var(--color-text-light); font-style: italic; }
.prose code { background: var(--color-bg-alt); padding: 0.15em 0.4em; border-radius: 3px; font-size: 0.9em; }
.prose hr { border: none; border-top: 1px solid var(--color-border); margin: 2rem 0; }

/* ------------------------------------------------------------------
   브레드크럼
   ------------------------------------------------------------------ */
.breadcrumb {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-2xl);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--color-text-light);
}

.breadcrumb a:hover {
    color: var(--color-accent);
}

.breadcrumb span {
    color: var(--color-border-dark);
}

/* ------------------------------------------------------------------
   블로그 리스트
   ------------------------------------------------------------------ */
.post-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.post-card {
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
}

.post-card:last-child {
    border-bottom: none;
}

.post-date {
    font-family: var(--font-heading);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.post-card-title {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 600;
    line-height: 1.25;
    margin-bottom: var(--spacing-sm);
}

.post-card-title a {
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.post-card-title a:hover {
    color: var(--color-accent);
}

.post-card-desc {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.post-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.post-tag {
    font-family: var(--font-heading);
    font-size: var(--text-xs);
    color: var(--color-accent);
    background: rgba(196,117,107,0.08);
    padding: 0.15em 0.6em;
    border-radius: 3px;
    font-weight: 500;
}

/* ------------------------------------------------------------------
   페이지네이션
   ------------------------------------------------------------------ */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-border);
}

.page-link {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-accent);
    padding: 0.4rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.page-link:hover {
    border-color: var(--color-accent);
    background: rgba(196,117,107,0.04);
}

.page-current {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    font-weight: 500;
}

.empty-state {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
    color: var(--color-text-muted);
}

/* ------------------------------------------------------------------
   블로그 상세 페이지
   ------------------------------------------------------------------ */
.blog-post-header {
    margin-bottom: var(--spacing-2xl);
}

.blog-post-title {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.015em;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.blog-post-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    flex-wrap: wrap;
}

.meta-sep {
    color: var(--color-border-dark);
}

/* 이전/다음 글 네비게이션 */
.post-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-3xl);
    padding-top: var(--spacing-2xl);
    border-top: 1px solid var(--color-border);
}

.post-nav-link {
    display: block;
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast);
}

.post-nav-link:hover {
    border-color: var(--color-accent);
}

.post-nav-label {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.post-nav-title {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text);
    line-height: 1.4;
}

.post-nav-link.next {
    text-align: right;
}

/* ------------------------------------------------------------------
   메인 홈 블로그 미리보기
   ------------------------------------------------------------------ */
.blog-preview-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.blog-preview-card {
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-base);
}

.blog-preview-card:hover {
    border-color: var(--color-border-dark);
}

.blog-preview-card .post-date {
    margin-bottom: var(--spacing-sm);
}

.blog-preview-title {
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.blog-preview-title a {
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.blog-preview-title a:hover {
    color: var(--color-accent);
}

.blog-preview-desc {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ------------------------------------------------------------------
   반응형 (모바일)
   ------------------------------------------------------------------ */
@media (max-width: 768px) {
    :root {
        --spacing-4xl: 4rem;
        --spacing-3xl: 3rem;
    }

    .site-nav {
        display: none;
    }

    .site-nav.open {
        display: block;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--color-surface);
        border-bottom: 1px solid var(--color-border);
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .site-nav.open ul {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .menu-toggle {
        display: flex;
    }

    .hero-title {
        max-width: 100%;
    }

    .hero::after {
        width: 300px;
        height: 300px;
        top: 40%;
        right: -30%;
        opacity: 0.04;
    }

    .hero-desc {
        font-size: var(--text-base);
    }

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

    .mission-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .cta-form {
        flex-direction: column;
    }

    .blog-preview-grid {
        grid-template-columns: 1fr;
    }

    .post-nav {
        grid-template-columns: 1fr;
    }

    .post-card-title {
        font-size: var(--text-xl);
    }

    .blog-post-title {
        font-size: var(--text-2xl);
    }

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

/* ------------------------------------------------------------------
   콘텐츠 이미지
   ------------------------------------------------------------------ */
.content-image {
    display: block;
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: var(--spacing-xl) 0;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}