/* ============================================
   커스텀 디자인 시스템 - 기술 블로그
   독특하고 기억에 남는 미학적 방향
   ============================================ */

/* CSS 변수 - 색상 팔레트 (라이트 모드) */
:root {
  /* 주요 색상 - 차갑고 기술적인 느낌 */
  --color-primary: #0a0e27;
  --color-secondary: #1a1f3a;
  --color-accent: #00d9ff;
  --color-accent-warm: #ff6b9d;
  --color-accent-gold: #ffc857;
  
  /* 텍스트 색상 */
  --color-text-primary: #0a0e27;
  --color-text-secondary: #4a5568;
  --color-text-light: #718096;
  --color-text-inverse: #ffffff;
  
  /* 배경 색상 */
  --color-bg-primary: #ffffff;
  --color-bg-secondary: #ffffff;
  --color-bg-dark: #0a0e27;
  --color-bg-card: #ffffff;
  --color-bg-overlay: rgba(10, 14, 39, 0.5);
  
  /* 그라데이션 */
  --gradient-primary: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 100%);
  --gradient-accent: linear-gradient(135deg, #00d9ff 0%, #0099cc 100%);
  --gradient-warm: linear-gradient(135deg, #ff6b9d 0%, #ff4757 100%);
  
  /* 타이포그래피 */
  --font-display: 'Space Grotesk', 'IBM Plex Sans', -apple-system, sans-serif;
  --font-body: 'Inter', 'Noto Sans KR', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  
  /* 간격 */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* 그림자 */
  --shadow-sm: 0 2px 8px rgba(10, 14, 39, 0.08);
  --shadow-md: 0 4px 16px rgba(10, 14, 39, 0.12);
  --shadow-lg: 0 8px 32px rgba(10, 14, 39, 0.16);
  --shadow-glow: 0 0 20px rgba(0, 217, 255, 0.3);
  
  /* 전환 - 더 부드러운 easing */
  --transition-fast: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-base: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out-smooth: cubic-bezier(0.16, 1, 0.3, 1);
}

/* 다크 모드 변수 */
[data-theme="dark"] {
  /* 주요 색상 - 다크 모드용 */
  --color-primary: #e2e8f0;
  --color-secondary: #cbd5e0;
  
  /* 텍스트 색상 */
  --color-text-primary: #f7fafc;
  --color-text-secondary: #cbd5e0;
  --color-text-light: #a0aec0;
  --color-text-inverse: #0a0e27;
  
  /* 배경 색상 */
  --color-bg-primary: #0f172a;
  --color-bg-secondary: #1e293b;
  --color-bg-dark: #0a0e27;
  --color-bg-card: #1e293b;
  --color-bg-overlay: rgba(0, 0, 0, 0.7);
  
  /* 그라데이션 */
  --gradient-primary: linear-gradient(135deg, #e2e8f0 0%, #cbd5e0 100%);
  --gradient-accent: linear-gradient(135deg, #00d9ff 0%, #0099cc 100%);
  --gradient-warm: linear-gradient(135deg, #ff6b9d 0%, #ff4757 100%);
  
  /* 그림자 */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(0, 217, 255, 0.4);
}

/* 시스템 다크 모드 자동 감지 */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    /* 주요 색상 - 다크 모드용 */
    --color-primary: #e2e8f0;
    --color-secondary: #cbd5e0;
    
    /* 텍스트 색상 */
    --color-text-primary: #f7fafc;
    --color-text-secondary: #cbd5e0;
    --color-text-light: #a0aec0;
    --color-text-inverse: #0a0e27;
    
    /* 배경 색상 */
    --color-bg-primary: #0f172a;
    --color-bg-secondary: #1e293b;
    --color-bg-dark: #0a0e27;
    --color-bg-card: #1e293b;
    --color-bg-overlay: rgba(0, 0, 0, 0.7);
    
    /* 그라데이션 */
    --gradient-primary: linear-gradient(135deg, #e2e8f0 0%, #cbd5e0 100%);
    --gradient-accent: linear-gradient(135deg, #00d9ff 0%, #0099cc 100%);
    --gradient-warm: linear-gradient(135deg, #ff6b9d 0%, #ff4757 100%);
    
    /* 그림자 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(0, 217, 255, 0.4);
  }
}

/* Google Fonts 임포트 */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;600;700&display=swap');

/* ============================================
   전역 스타일 오버라이드
   ============================================ */

body {
  font-family: var(--font-body);
  color: var(--color-text-primary);
  background: var(--color-bg-primary) !important;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* ============================================
   모든 페이지 배경 색상 (다크모드 지원)
   ============================================ */

html {
  background-color: var(--color-bg-primary) !important;
  transition: background-color var(--transition-base);
}

body,
main,
article,
section,
header,
footer {
  background-color: var(--color-bg-primary) !important;
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* Ananke 테마의 Tachyons 클래스 오버라이드 */
.bg-near-white,
.bg-light-gray,
.bg-white,
.bg-black {
  background-color: var(--color-bg-primary) !important;
  transition: background-color var(--transition-base);
}

/* 모든 컨테이너와 래퍼도 배경 색상 적용 */
.container,
.wrapper,
.content,
.page-content,
.post-content {
  background-color: var(--color-bg-primary) !important;
  transition: background-color var(--transition-base);
}

/* 예외: 특정 UI 요소들은 원래 배경 유지 */
pre,
code:not(.post-content code),
button,
.hero-cta-primary,
.hero-cta-secondary,
.post-card a.ba,
.read-more-btn,
.all-posts-btn,
.quick-link-icon,
input,
textarea,
select,
.chroma,
.highlight {
  background-color: initial !important;
}

/* 배경 텍스처 효과 제거 - 흰 배경 */
body::before {
  display: none;
}

main {
  position: relative;
  z-index: 1;
}

/* ============================================
   타이포그래피
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

/* ============================================
   네비게이션 커스터마이징
   ============================================ */

/* 플로팅 네비게이션 (홈페이지 전용) */
.floating-nav,
.floating-nav[role="navigation"] {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--spacing-md) var(--spacing-md) 0;
  pointer-events: none;
  transition: all var(--transition-base);
  background: transparent;
  border: none !important;
  border-bottom: none !important;
}

.floating-nav-wrapper {
  max-width: 1400px;
  margin: 0 auto;
  pointer-events: auto;
}

.floating-nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-bg-card);
  padding: 1rem 2rem;
  border-radius: 1000px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  margin-bottom: 0;
  border: 1px solid transparent;
  gap: 0.75rem; /* 요소 간 일정한 간격 */
  min-height: 48px; /* 최소 높이 보장 */
}

[data-theme="dark"] .floating-nav-container,
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .floating-nav-container {
    border-color: rgba(255, 255, 255, 0.1);
  }
}

.floating-nav-container:hover {
  box-shadow: 0 4px 24px rgba(10, 14, 39, 0.12);
}

.floating-nav-logo-wrap {
  display: flex;
  align-items: center;
  flex-shrink: 1; /* 모바일에서 공간이 부족하면 줄어들 수 있음 */
  min-width: 0; /* 텍스트 오버플로우 허용 */
}

.floating-nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
  text-decoration: none;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.floating-nav-logo:hover {
  color: var(--color-accent);
}

.floating-nav-logo .logo-text {
  color: var(--color-text-primary);
  background: none;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: var(--color-text-primary);
  background-clip: unset;
}

.floating-nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  justify-content: center;
  margin: 0 var(--spacing-md);
  transition: opacity var(--transition-base), visibility var(--transition-base);
  opacity: 1;
  visibility: visible;
}

.floating-nav-link {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--color-text-primary);
  text-decoration: none;
  padding: 0.5rem 1.25rem;
  border-radius: 1000px;
  transition: all var(--transition-fast);
  display: inline-block;
  white-space: nowrap;
}

.floating-nav-link:hover {
  color: var(--color-text-primary);
  background: rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .floating-nav-link:hover,
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .floating-nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
  }
}

.floating-nav-buttons {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex-shrink: 0;
  margin-left: auto; /* 오른쪽 정렬 보장 */
}

.floating-nav-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  min-width: 40px; /* 최소 크기 보장 */
  min-height: 40px;
  color: var(--color-text-primary);
  text-decoration: none;
  border-radius: 50%;
  transition: all var(--transition-fast);
  background: transparent;
  line-height: 0;
  flex-shrink: 0;
  position: relative; /* SVG 중앙 정렬을 위한 기준점 */
}

.floating-nav-social-link:hover {
  background: rgba(0, 0, 0, 0.05);
  color: var(--color-accent);
  transform: translateY(-1px);
}

[data-theme="dark"] .floating-nav-social-link:hover,
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .floating-nav-social-link:hover {
    background: rgba(255, 255, 255, 0.1);
  }
}

.floating-nav-social-link svg {
  width: 100%;
  height: 100%;
  display: block;
  flex-shrink: 0;
  margin: auto; /* 중앙 정렬 보장 */
  /* 모든 아이콘을 같은 시각적 크기로 보이게 하기 위해 padding 추가 */
  padding: 20%;
  box-sizing: border-box;
}

/* 각 아이콘 타입별로 시각적 크기 조정 (실제 경로 크기에 따라) */
.floating-nav-social-link[title="GitHub"] svg {
  padding: 15%; /* GitHub 아이콘은 경로가 크므로 더 작은 padding */
}

.floating-nav-social-link[title="LinkedIn"] svg {
  padding: 25%; /* LinkedIn 아이콘은 경로가 작으므로 더 큰 padding */
}

.floating-nav-social-link[title="Email"] svg {
  padding: 20%; /* Email 아이콘은 중간 크기 */
}

/* 다크모드 토글 버튼 */
.dark-mode-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  min-width: 40px; /* 최소 크기 보장 */
  min-height: 40px;
  background: transparent;
  border: none;
  border-radius: 50%;
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  padding: 0;
  position: relative;
}

.dark-mode-toggle:hover {
  background: rgba(0, 0, 0, 0.05);
  color: var(--color-accent);
  transform: translateY(-1px);
}

[data-theme="dark"] .dark-mode-toggle:hover,
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .dark-mode-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
  }
}

.dark-mode-toggle svg {
  width: 20px;
  height: 20px;
  display: block;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.dark-mode-toggle .icon-sun {
  position: absolute;
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.dark-mode-toggle .icon-moon {
  position: absolute;
  opacity: 0;
  transform: rotate(90deg) scale(0.5);
}

[data-theme="dark"] .dark-mode-toggle .icon-sun,
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .dark-mode-toggle .icon-sun {
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
  }
}

[data-theme="dark"] .dark-mode-toggle .icon-moon,
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .dark-mode-toggle .icon-moon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
  }
}

/* 햄버거 버튼 - 기본적으로 숨김 (데스크톱) */
.floating-nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px; /* 라인 간 간격을 줄여서 더 컴팩트하게 */
  width: 40px;
  height: 40px;
  min-width: 40px; /* 최소 크기 보장 */
  min-height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
  position: relative;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.floating-nav-hamburger:hover {
  opacity: 0.7;
}

.hamburger-line {
  width: 22px; /* 약간 줄여서 더 심플하게 */
  height: 2.5px; /* 약간 두껍게 해서 더 임팩트 있게 */
  background-color: var(--color-text-primary);
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center;
  display: block;
}

.floating-nav-hamburger[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.floating-nav-hamburger[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.floating-nav-hamburger[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* 모바일 메뉴 - 기본적으로 숨김 */
.floating-nav-mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1001; /* floating-nav(1000)보다 높게 */
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  display: none; /* 기본적으로 숨김 */
  transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1), 
              visibility 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.floating-nav-mobile-menu.active {
  display: block; /* active일 때만 표시 */
  pointer-events: auto;
  opacity: 1;
  visibility: visible;
}

.mobile-menu-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg-overlay);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1), 
              background 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1001; /* 컨텐츠 아래 */
}

.floating-nav-mobile-menu.active .mobile-menu-overlay {
  opacity: 1;
}

.mobile-menu-content {
  position: fixed !important; /* absolute 대신 fixed 사용 */
  top: 0 !important;
  right: 0 !important; /* 오른쪽에서 시작 - 강제 적용 */
  left: auto !important; /* 왼쪽 정렬 방지 - 강제 적용 */
  width: 280px;
  max-width: 85vw;
  height: 100%;
  background: var(--color-bg-card);
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.3);
  transform: translateX(100%); /* 오른쪽 밖에 숨김 */
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), 
              background 0.3s cubic-bezier(0.4, 0, 0.2, 1), 
              box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  padding: var(--spacing-xl) var(--spacing-lg);
  z-index: 1002; /* 오버레이 위에 표시 */
  will-change: transform; /* 성능 최적화 */
}

/* 모바일 메뉴 닫기 버튼 */
.mobile-menu-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 50%;
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1003;
  padding: 0;
  opacity: 0;
  transform: scale(0.8);
}

.floating-nav-mobile-menu.active .mobile-menu-close {
  opacity: 1;
  transform: scale(1);
  transition-delay: 0.2s; /* 메뉴가 열린 후 나타남 */
}

.mobile-menu-close:hover {
  background: rgba(0, 0, 0, 0.05);
  color: var(--color-accent);
  transform: scale(1.1);
}

[data-theme="dark"] .mobile-menu-close:hover,
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .mobile-menu-close:hover {
    background: rgba(255, 255, 255, 0.1);
  }
}

.mobile-menu-close svg {
  width: 24px;
  height: 24px;
  display: block;
}

.floating-nav-mobile-menu.active .mobile-menu-content {
  transform: translateX(0) !important; /* 오른쪽에서 슬라이드 인 */
  right: 0 !important; /* 오른쪽 위치 유지 */
  left: auto !important; /* 왼쪽 정렬 방지 */
}

.mobile-menu-nav {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-xl);
}

.mobile-menu-link {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.125rem;
  color: var(--color-text-primary);
  text-decoration: none;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: 12px;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  display: block;
  opacity: 0;
  transform: translateX(20px);
}

/* 메뉴가 열릴 때 링크들이 순차적으로 나타남 */
.floating-nav-mobile-menu.active .mobile-menu-link {
  opacity: 1;
  transform: translateX(0);
}

.floating-nav-mobile-menu.active .mobile-menu-link:nth-child(1) {
  transition-delay: 0.1s;
}

.floating-nav-mobile-menu.active .mobile-menu-link:nth-child(2) {
  transition-delay: 0.15s;
}

.floating-nav-mobile-menu.active .mobile-menu-link:nth-child(3) {
  transition-delay: 0.2s;
}

.floating-nav-mobile-menu.active .mobile-menu-link:nth-child(4) {
  transition-delay: 0.25s;
}

.floating-nav-mobile-menu.active .mobile-menu-link:nth-child(5) {
  transition-delay: 0.3s;
}

.floating-nav-mobile-menu.active .mobile-menu-link:nth-child(6) {
  transition-delay: 0.35s;
}

.floating-nav-mobile-menu.active .mobile-menu-link:nth-child(7) {
  transition-delay: 0.4s;
}

.floating-nav-mobile-menu.active .mobile-menu-link:nth-child(8) {
  transition-delay: 0.45s;
}

.mobile-menu-link:hover {
  background: rgba(0, 0, 0, 0.05);
  color: var(--color-accent);
  transform: translateX(4px);
}

[data-theme="dark"] .mobile-menu-link:hover,
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .mobile-menu-link:hover {
    background: rgba(255, 255, 255, 0.1);
  }
}

/* 메뉴가 닫힐 때 링크들이 순차적으로 사라짐 */
.floating-nav-mobile-menu:not(.active) .mobile-menu-link {
  transition-delay: 0s; /* 닫힐 때는 지연 없이 */
}

[data-theme="dark"] .mobile-menu-link:hover,
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .mobile-menu-link:hover {
    background: rgba(255, 255, 255, 0.1);
  }
}

/* 일반 네비게이션 (다른 페이지용) */
nav[role="navigation"] {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(10, 14, 39, 0.08);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all var(--transition-base);
  padding: var(--spacing-sm) var(--spacing-md);
}

[data-theme="dark"] nav[role="navigation"],
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) nav[role="navigation"] {
    background: rgba(30, 41, 59, 0.95);
    border-bottom-color: rgba(255, 255, 255, 0.1);
  }
}
/* 
nav[role="navigation"]:hover {
  box-shadow: var(--shadow-md);
} */

nav[role="navigation"] a {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
  display: inline-block;
}

nav[role="navigation"] .f3 {
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

nav[role="navigation"] ul {
  list-style: none;
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

/* ============================================
   카드 및 포스트 요약
   ============================================ */

/* Notes 페이지의 post-item 호버 스타일 */
.post-item {
  transition: background-color 0.3s var(--ease-out-smooth);
}

.post-item:hover {
  background-color: rgba(247, 250, 252, 0.3) !important;
}

[data-theme="dark"] .post-item:hover,
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .post-item:hover {
    background-color: rgba(255, 255, 255, 0.05) !important;
  }
}

.post-item:hover .post-card,
.post-item:hover .summary-with-image {
  background-color: rgba(247, 250, 252, 0.5) !important;
}

[data-theme="dark"] .post-item:hover .post-card,
[data-theme="dark"] .post-item:hover .summary-with-image,
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .post-item:hover .post-card,
  :root:not([data-theme="light"]) .post-item:hover .summary-with-image {
    background-color: rgba(255, 255, 255, 0.08) !important;
  }
}

.post-card {
  background: var(--color-bg-card);
  border-radius: 16px;
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(10, 14, 39, 0.08);
  transition: transform 0.3s var(--ease-out-smooth), 
              box-shadow 0.3s var(--ease-out-smooth),
              border-color 0.3s var(--ease-out-smooth),
              background-color 0.3s var(--ease-out-smooth);
  position: relative;
  overflow: hidden;
  will-change: transform;
}

[data-theme="dark"] .post-card,
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .post-card {
    border-color: rgba(255, 255, 255, 0.1);
  }
}

.post-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-accent);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.3s var(--ease-out-smooth);
  will-change: transform;
}

.post-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
  background-color: rgba(247, 250, 252, 0.5) !important;
}

[data-theme="dark"] .post-card:hover,
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .post-card:hover {
    background-color: rgba(255, 255, 255, 0.08) !important;
  }
}

.post-card:hover::before {
  transform: scaleY(1);
}

.post-card h1,
.post-card h2,
.post-card h3 {
  margin-top: 0;
  margin-bottom: var(--spacing-sm);
}

.post-card h1 a,
.post-card h2 a,
.post-card h3 a {
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.post-card:hover h1 a,
.post-card:hover h2 a,
.post-card:hover h3 a {
  color: var(--color-accent);
}

.post-card .f6 {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.post-card .nested-links {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.post-card a.ba {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 2px solid var(--color-accent);
  border-radius: 8px;
  color: var(--color-accent);
  font-weight: 500;
  font-size: 0.875rem;
  text-decoration: none;
  transition: all var(--transition-fast);
  background: transparent;
}

.post-card a.ba:hover {
  background: var(--color-accent);
  color: white;
  transform: translateX(4px);
}

/* ============================================
   애니메이션
   ============================================ */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  opacity: 0;
  animation: fadeInUp 0.5s var(--ease-out-smooth) forwards;
}

.stagger-1 { animation-delay: 0.05s; }
.stagger-2 { animation-delay: 0.1s; }
.stagger-3 { animation-delay: 0.15s; }
.stagger-4 { animation-delay: 0.2s; }

/* ============================================
   홈페이지 히어로 섹션 - 개선된 디자인
   ============================================ */

.hero-section {
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: var(--spacing-lg) var(--spacing-md);
  padding-top: calc(var(--spacing-xl) + 120px); /* 플로팅 네비게이션과의 간격 */
  padding-bottom: var(--spacing-lg);
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  overflow: visible;
  margin-top: 0;
}

/* 배경 장식 효과 제거 (흰 배경에 맞춤) */
.hero-section::before,
.hero-section::after {
  display: none;
}

@keyframes floatBlob {
  0%, 100% {
    transform: translate(0, 0) scale(1);
    opacity: 0.8;
  }
  33% {
    transform: translate(30px, -30px) scale(1.1);
    opacity: 1;
  }
  66% {
    transform: translate(-20px, 20px) scale(0.9);
    opacity: 0.7;
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 0 var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.hero-badge {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  background: var(--color-bg-secondary);
  border: 1px solid rgba(10, 14, 39, 0.1);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 0.6s var(--ease-out-smooth) forwards;
  opacity: 0;
}

.hero-title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: var(--spacing-sm);
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text-primary);
  text-align: center;
  word-break: keep-all; /* 한글 단어 단위로 줄바꿈 */
  overflow-wrap: break-word; /* 긴 단어는 적절히 줄바꿈 */
}

.hero-title-text {
  display: inline;
  opacity: 1 !important;
  animation: fadeInUp 0.6s var(--ease-out-smooth) 0.1s forwards;
  color: var(--color-text-primary) !important;
  -webkit-text-fill-color: var(--color-text-primary) !important;
  text-fill-color: var(--color-text-primary) !important;
  white-space: nowrap; /* 텍스트가 끊기지 않도록 */
}

/* 모바일에서만 줄바꿈 허용 */
@media (max-width: 768px) {
  .hero-title-text {
    white-space: normal; /* 모바일에서는 자연스러운 줄바꿈 */
  }
}

.hero-title-accent {
  display: inline;
  background: linear-gradient(135deg, #00d9ff 0%, #ff6b9d 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInUp 0.6s var(--ease-out-smooth) 0.2s forwards;
  opacity: 0;
  /* Fallback: ensure text is visible */
  color: var(--color-accent);
  white-space: nowrap; /* 텍스트가 끊기지 않도록 */
}

/* 모바일에서만 줄바꿈 허용 */
@media (max-width: 768px) {
  .hero-title-accent {
    white-space: normal; /* 모바일에서는 자연스러운 줄바꿈 */
  }
}

/* Ensure text is visible even if gradient doesn't work */
@supports not (-webkit-background-clip: text) {
  .hero-title-accent {
    color: var(--color-accent) !important;
    -webkit-text-fill-color: var(--color-accent) !important;
    background: none;
  }
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 600px;
  margin: 0 auto;
  opacity: 0;
  animation: fadeInUp 0.8s var(--ease-out-smooth) 0.4s forwards;
}

.hero-scroll-indicator {
  position: relative;
  margin-top: var(--spacing-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-light);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  z-index: 1;
  opacity: 0;
  animation: fadeInUp 0.8s var(--ease-out-smooth) 0.6s forwards, bounce 2s 1.4s infinite;
}

.hero-scroll-indicator svg {
  animation: bounce-arrow 2s infinite;
}

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

@keyframes bounce-arrow {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(5px);
  }
}

/* ============================================
   링크 스타일
   ============================================ */

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

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

/* ============================================
   코드 블록 스타일
   ============================================ */

pre, code {
  font-family: var(--font-mono);
  background: var(--color-bg-secondary);
  border-radius: 8px;
  transition: background var(--transition-base), color var(--transition-base);
}

pre {
  padding: var(--spacing-md);
  overflow-x: auto;
  border-left: 4px solid var(--color-accent);
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

code {
  padding: 0.2em 0.4em;
  font-size: 0.9em;
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
}

/* 다크모드에서 코드 블록 배경 조정 */
[data-theme="dark"] pre,
[data-theme="dark"] code,
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) pre,
  :root:not([data-theme="light"]) code {
    background: var(--color-bg-secondary);
  }
}

/* ============================================
   반응형 디자인
   ============================================ */

/* ============================================
   모바일 반응형 개선
   ============================================ */

@media (max-width: 768px) {
  :root {
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
  }
  
  /* 터치 친화적인 버튼 크기 */
  button,
  a.hero-cta-btn,
  .read-more-btn,
  .all-posts-btn {
    min-height: 44px; /* iOS 권장 터치 영역 */
    min-width: 44px;
  }
  
  /* 텍스트 가독성 개선 */
  body {
    font-size: 16px; /* iOS 줌 방지 */
    -webkit-text-size-adjust: 100%;
  }
  
  /* 카드 패딩 조정 */
  .post-card {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
  }
  
  /* 네비게이션 링크 간격 */
  nav[role="navigation"] ul {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  /* 히어로 섹션 모바일 최적화 */
  .hero-section {
    min-height: 50vh;
    padding-top: calc(var(--spacing-lg) + 80px);
    padding-bottom: var(--spacing-md);
  }
  
  .hero-title {
    font-size: clamp(1.75rem, 6vw, 2.5rem);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4; /* 모바일에서 더 넉넉한 줄 간격 */
    gap: 0.25rem; /* 모바일에서 더 작은 간격 */
  }
  
  .hero-title-text,
  .hero-title-accent {
    white-space: normal; /* 모바일에서 자연스러운 줄바꿈 */
    display: inline-block; /* 줄바꿈이 자연스럽게 */
  }
  
  .hero-description {
    font-size: clamp(0.9375rem, 3vw, 1.125rem);
    padding: 0 var(--spacing-sm);
  }
  
  /* CTA 버튼 모바일 레이아웃 */
  .hero-cta {
    flex-direction: column;
    width: 100%;
    padding: 0 var(--spacing-sm);
  }
  
  .hero-cta-btn {
    width: 100%;
    max-width: 300px;
  }
  
  /* 포스트 그리드 모바일 */
  .posts-grid,
  .posts-grid-cards,
  .projects-grid-cards {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
  
  /* 컨테이너 패딩 조정 */
  .container-custom,
  .page-header-content,
  .page-description-content {
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
  }
  
  /* 페이지 헤더 모바일 */
  .page-header-section {
    padding-top: calc(var(--spacing-lg) + 80px);
    padding-bottom: var(--spacing-sm);
  }
  
  .page-title {
    font-size: clamp(1.75rem, 5vw, 2.25rem);
  }
  
  /* 리스트 아이템 모바일 */
  .post-list-item {
    padding: var(--spacing-sm);
  }
  
  .post-list-title {
    font-size: clamp(1.25rem, 4vw, 1.5rem);
  }
  
  /* 코드 블록 모바일 */
  pre {
    font-size: 0.875rem;
    padding: var(--spacing-sm);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  /* 테이블 모바일 스크롤 */
  table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
  }
}

/* 작은 모바일 화면 (480px 이하) */
@media (max-width: 480px) {
  :root {
    --spacing-md: 1.5rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
  }
  
  /* 더 작은 폰트 크기 */
  h1 {
    font-size: clamp(1.5rem, 6vw, 2rem);
  }
  
  h2 {
    font-size: clamp(1.25rem, 5vw, 1.75rem);
  }
  
  h3 {
    font-size: clamp(1.125rem, 4vw, 1.5rem);
  }
  
  /* 네비게이션 더 작게 */
  .floating-nav-container {
    padding: 0.75rem 1rem;
  }
  
  .floating-nav-logo {
    font-size: 0.875rem;
  }
  
  /* 소셜 링크 및 토글 버튼 크기 조정 */
  .floating-nav-social-link,
  .dark-mode-toggle {
    width: 36px;
    height: 36px;
  }
  
  .floating-nav-social-link svg,
  .dark-mode-toggle svg {
    width: 18px;
    height: 18px;
  }
  
  /* 모바일 메뉴 너비 조정 */
  .mobile-menu-content {
    width: 260px;
    padding: var(--spacing-lg) var(--spacing-md);
    right: 0 !important; /* 모바일에서도 오른쪽 유지 */
    left: auto !important;
  }
  
  /* 히어로 섹션 더 작게 */
  .hero-section {
    padding-top: calc(var(--spacing-md) + 70px);
    min-height: 45vh;
  }
  
  /* 섹션 타이틀 */
  .section-title {
    font-size: clamp(1.5rem, 6vw, 2rem);
  }
}

/* ============================================
   홈페이지 추가 스타일 - 개선된 디자인
   ============================================ */

.home-posts-wrapper {
  background: var(--color-bg-primary);
  padding: var(--spacing-xl) 0;
  margin-top: 0;
}

.home-posts-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.section-header {
  margin-bottom: var(--spacing-lg);
  text-align: left;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  text-align: left;
  color: var(--color-text-primary);
  position: relative;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--color-text-light);
  font-weight: 400;
  margin-top: 0.5rem;
}

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

@media (min-width: 768px) {
  .posts-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .posts-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.post-item-wrapper {
  opacity: 0;
  animation: fadeInUp 0.6s var(--ease-out-smooth) forwards;
  display: flex;
  height: 100%;
}

.post-item-wrapper .post-card {
  width: 100%;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.more-posts-section {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(10, 14, 39, 0.1);
}

.more-posts-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.more-posts-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.more-post-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 8px;
  text-decoration: none;
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
  background: transparent;
  border: 1px solid transparent;
}

.more-post-link:hover {
  background: var(--color-bg-secondary);
  border-color: rgba(0, 217, 255, 0.2);
  color: var(--color-text-primary);
  transform: translateX(4px);
}

.more-post-date {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-text-light);
  min-width: 80px;
  flex-shrink: 0;
}

.more-post-title {
  flex: 1;
  font-size: 1rem;
  font-weight: 500;
}

.more-post-link svg {
  flex-shrink: 0;
  color: var(--color-accent);
  transition: transform var(--transition-fast);
}

.more-post-link:hover svg {
  transform: translateX(4px);
}

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

.more-posts-section {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(10, 14, 39, 0.1);
}

.more-posts-title {
  font-family: var(--font-display);
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.more-post-item {
  display: inline-block;
  margin-right: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-bg-secondary);
  border-radius: 8px;
  transition: all var(--transition-fast);
}

.more-post-item:hover {
  background: var(--color-accent);
  transform: translateY(-1px);
}

.more-post-item a {
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
}

.more-post-item:hover a {
  color: white;
}

/* ============================================
   네비게이션 추가 스타일
   ============================================ */

.custom-nav {
  background: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

/* 홈페이지 헤더: 빈 공간 제거 */
header.home-header .home-header-bg {
  padding-bottom: 0 !important;
}

/* 홈페이지 네비게이션: 하단 패딩 최소화 */
header.home-header .custom-nav {
  padding-bottom: var(--spacing-sm) !important;
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  margin: 0;
}

.nav-link {
  color: var(--color-text-primary) !important;
  position: relative;
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-fast);
}

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

.nav-link:hover {
  color: var(--color-accent) !important;
}

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

/* ============================================
   포스트 요약 추가 스타일
   ============================================ */

.post-date {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.post-title {
  margin-top: 0;
  margin-bottom: var(--spacing-sm);
}

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

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

.post-summary {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
  line-height: 1.8;
}

.read-more-btn {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 2px solid var(--color-accent);
  border-radius: 8px;
  color: var(--color-accent);
  font-weight: 500;
  font-size: 0.875rem;
  text-decoration: none;
  transition: all var(--transition-fast);
  background: transparent;
  font-family: var(--font-display);
}

.read-more-btn:hover {
  background: var(--color-accent);
  color: white;
  transform: translateX(2px);
  box-shadow: 0 4px 12px rgba(0, 217, 255, 0.25);
}

/* ============================================
   이미지가 있는 포스트 요약
   ============================================ */

.summary-with-image {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  height: 100%;
  transition: background-color 0.3s var(--ease-out-smooth);
}

.summary-with-image.has-image {
  flex-direction: column;
  align-items: stretch;
}

.summary-with-image:hover,
.post-item:hover .summary-with-image {
  background-color: rgba(247, 250, 252, 0.5) !important;
}

[data-theme="dark"] .summary-with-image:hover,
[data-theme="dark"] .post-item:hover .summary-with-image,
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .summary-with-image:hover,
  :root:not([data-theme="light"]) .post-item:hover .summary-with-image {
    background-color: rgba(255, 255, 255, 0.08) !important;
  }
}

@media (min-width: 1024px) {
  .summary-with-image.has-image {
    flex-direction: row;
  }
}

.post-image-wrapper {
  flex: 0 0 40%;
  min-height: 200px;
  overflow: hidden;
  position: relative;
  background: var(--color-bg-secondary);
}

.post-image-link {
  display: block;
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.post-featured-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease-out-smooth);
  will-change: transform;
}

.post-card:hover .post-featured-image {
  transform: scale(1.05);
}

.post-content-wrapper {
  flex: 1;
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
}

.post-author {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-top: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}

@media (max-width: 768px) {
  .summary-with-image.has-image {
    flex-direction: column;
  }
  
  .post-image-wrapper {
    flex: 0 0 auto;
    height: 200px;
  }
}

/* ============================================
   유틸리티 클래스
   ============================================ */

.text-gradient {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glow-effect {
  box-shadow: var(--shadow-glow);
}

.section-spacing {
  padding: var(--spacing-xl) 0;
}

.container-custom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.custom-body {
  position: relative;
}

.custom-main {
  position: relative;
  z-index: 1;
  padding-top: 100px;
}

/* ============================================
   포트폴리오 프로젝트 스타일
   ============================================ */

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

.project-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-image-wrapper {
  width: 100%;
  height: 200px;
  overflow: hidden;
  border-radius: 12px 12px 0 0;
  background: var(--color-bg-secondary);
}

.project-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease-out-smooth);
}

.project-card:hover .project-image {
  transform: scale(1.05);
}

.project-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: var(--spacing-md);
}

.project-title {
  margin-top: 0;
  margin-bottom: var(--spacing-sm);
}

.project-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
  flex-grow: 1;
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}

.tech-tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--color-bg-secondary);
  border: 1px solid rgba(10, 14, 39, 0.1);
  border-radius: 6px;
  font-size: 0.875rem;
  font-family: var(--font-mono);
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
}

.tech-tag:hover {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

.project-links {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
  margin-top: auto;
}

.project-links .read-more-btn {
  font-size: 0.875rem;
  padding: 0.5rem 1rem;
}

@media (max-width: 768px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
  
  .project-image-wrapper {
    height: 180px;
  }
}

/* ============================================
   위키 스타일 링크
   ============================================ */

.wiki-link {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: rgba(0, 217, 255, 0.3);
  text-underline-offset: 2px;
  transition: all var(--transition-fast);
  font-weight: 500;
  border-bottom: 1px dotted var(--color-accent);
  padding: 0 2px;
}

.wiki-link:hover {
  color: var(--color-accent-warm);
  text-decoration-color: var(--color-accent-warm);
  background: rgba(0, 217, 255, 0.1);
  border-bottom-style: solid;
}

.wiki-link-missing {
  color: var(--color-text-light);
  border-bottom: 1px dotted var(--color-text-light);
  padding: 0 2px;
  cursor: help;
  opacity: 0.7;
}

/* ============================================
   히어로 CTA 버튼
   ============================================ */

.hero-cta {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeInUp 0.8s var(--ease-out-smooth) 0.5s forwards;
  position: relative;
  z-index: 2;
}

.hero-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border-radius: 12px;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.hero-cta-primary {
  background: var(--gradient-accent);
  color: white;
  box-shadow: 0 4px 20px rgba(0, 217, 255, 0.3);
}

.hero-cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(0, 217, 255, 0.4);
  color: white;
}

.hero-cta-secondary {
  background: transparent;
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
}

.hero-cta-secondary:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-2px);
  color: white;
  box-shadow: 0 4px 20px rgba(0, 217, 255, 0.3);
}

/* ============================================
   Quick Links 섹션
   ============================================ */

.quick-links-section {
  padding: var(--spacing-xl) 0;
  background: var(--color-bg-primary);
  border-top: 1px solid rgba(10, 14, 39, 0.08);
}

.quick-links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.quick-link-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--spacing-lg) var(--spacing-md);
  background: var(--color-bg-card);
  border-radius: 16px;
  border: 1px solid rgba(10, 14, 39, 0.08);
  text-decoration: none;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.quick-link-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease-out-smooth);
}

.quick-link-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.quick-link-card:hover::before {
  transform: scaleX(1);
}

.quick-link-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-accent);
  border-radius: 16px;
  margin-bottom: var(--spacing-md);
  color: white;
  transition: transform var(--transition-base);
}

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

.quick-link-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 var(--spacing-xs) 0;
  transition: color var(--transition-fast);
}

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

.quick-link-desc {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.6;
}

/* ============================================
   카드 프리뷰 스타일 (홈페이지용)
   ============================================ */

.post-card-preview {
  background: var(--color-bg-card);
  border-radius: 12px;
  padding: var(--spacing-md);
  border: 1px solid rgba(10, 14, 39, 0.08);
  transition: all var(--transition-base);
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.post-card-preview::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-accent);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.3s var(--ease-out-smooth);
}

.post-card-preview:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.post-card-preview:hover::before {
  transform: scaleY(1);
}

.post-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.post-card-date {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.post-card-tags {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.post-card-tag {
  display: inline-block;
  padding: 0.25rem 0.625rem;
  background: var(--color-bg-secondary);
  border: 1px solid rgba(10, 14, 39, 0.1);
  border-radius: 6px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.post-card-preview:hover .post-card-tag {
  background: rgba(0, 217, 255, 0.1);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.post-card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 var(--spacing-sm) 0;
  line-height: 1.3;
}

.post-card-title-link {
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.post-card-summary {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin: 0 0 var(--spacing-md) 0;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card-read-more {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--color-accent);
  text-decoration: none;
  margin-top: auto;
  transition: all var(--transition-fast);
}

.post-card-read-more svg {
  transition: transform var(--transition-fast);
}

.post-card-preview:hover .post-card-read-more {
  color: var(--color-accent-warm);
}

.post-card-preview:hover .post-card-read-more svg {
  transform: translateX(4px);
}

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

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

.post-card-wrapper {
  opacity: 0;
  animation: fadeInUp 0.6s var(--ease-out-smooth) forwards;
  display: flex;
  height: 100%;
}

/* ============================================
   섹션 푸터 (All posts 버튼)
   ============================================ */

.section-footer {
  margin-top: var(--spacing-lg);
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(10, 14, 39, 0.08);
}

.all-posts-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text-primary);
  text-decoration: none;
  border: 2px solid var(--color-accent);
  border-radius: 12px;
  background: transparent;
  transition: all var(--transition-base);
}

.all-posts-btn:hover {
  background: var(--color-accent);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 217, 255, 0.3);
}

.all-posts-btn svg {
  transition: transform var(--transition-fast);
}

.all-posts-btn:hover svg {
  transform: translateX(4px);
}

/* ============================================
   Featured Projects 섹션
   ============================================ */

.featured-projects-section {
  padding: var(--spacing-xl) 0;
  background: var(--color-bg-primary);
  border-top: 1px solid rgba(10, 14, 39, 0.08);
  transition: background var(--transition-base);
}

[data-theme="dark"] .featured-projects-section,
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .featured-projects-section {
    border-top-color: rgba(255, 255, 255, 0.1);
  }
}

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

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

.project-card {
  background: var(--color-bg-card);
  border-radius: 12px;
  padding: var(--spacing-md);
  border: 1px solid rgba(10, 14, 39, 0.08);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-warm);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.3s var(--ease-out-smooth);
}

.project-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent-warm);
}

.project-card:hover::before {
  transform: scaleY(1);
}

.project-card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 var(--spacing-sm) 0;
}

.project-card-title a {
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.project-card-summary {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin: 0 0 var(--spacing-md) 0;
  flex-grow: 1;
}

.project-card-tags {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-md);
}

.project-card-tag {
  display: inline-block;
  padding: 0.25rem 0.625rem;
  background: var(--color-bg-secondary);
  border: 1px solid rgba(10, 14, 39, 0.1);
  border-radius: 6px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.project-card:hover .project-card-tag {
  background: rgba(255, 107, 157, 0.1);
  border-color: var(--color-accent-warm);
  color: var(--color-accent-warm);
}

.project-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--color-accent-warm);
  text-decoration: none;
  margin-top: auto;
  transition: all var(--transition-fast);
}

.project-card-link svg {
  transition: transform var(--transition-fast);
}

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

.project-card:hover .project-card-link svg {
  transform: translateX(4px);
}

/* ============================================
   컨테이너 폭 통일
   ============================================ */

.recent-posts-section {
  padding: var(--spacing-xl) 0;
  background: var(--color-bg-primary);
}

.recent-posts-section .container-custom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.featured-projects-section .container-custom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.quick-links-section .container-custom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* 섹션 헤더 정렬 통일 */
.recent-posts-section .section-header,
.featured-projects-section .section-header,
.quick-links-section .section-header {
  max-width: 100%;
  margin-bottom: var(--spacing-lg);
}

/* 반응형 조정 */
/* 스크롤 시 네비게이션 스타일 유지 (이미 흰 배경이므로 변경 없음) */
.floating-nav.scrolled .floating-nav-container {
  box-shadow: 0 4px 24px rgba(10, 14, 39, 0.15);
}

/* 태블릿 크기 화면 (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
  .floating-nav-container {
    padding: 0.875rem 1.5rem;
    gap: 0.625rem;
  }
  
  .floating-nav-logo {
    font-size: clamp(1rem, 2vw, 1.125rem);
  }
  
  .floating-nav-social-link,
  .dark-mode-toggle,
  .floating-nav-hamburger {
    width: 38px;
    height: 38px;
    min-width: 38px;
    min-height: 38px;
  }
  
  .floating-nav-social-link svg {
    width: 100%;
    height: 100%;
  }
  
  .dark-mode-toggle svg {
    width: 19px;
    height: 19px;
  }
  
  .floating-nav-buttons {
    gap: 0.5rem;
  }
}

/* floating-nav-links는 JavaScript로 동적 처리 */
/* @media (max-width: 1024px) {
  .floating-nav-links {
    display: none;
  }
  
  .floating-nav-container {
    justify-content: space-between;
  }
} */

@media (max-width: 768px) {
  .floating-nav {
    padding: var(--spacing-sm) var(--spacing-sm) 0;
  }
  
  .floating-nav-container {
    padding: 0.625rem 1rem;
    gap: 0.5rem; /* 모바일에서 더 작은 간격 */
    min-height: 44px; /* 터치 친화적 크기 */
    justify-content: flex-start; /* 모바일에서 왼쪽 정렬 시작 */
  }
  
  .floating-nav-logo-wrap {
    flex-shrink: 1;
    min-width: 0;
    max-width: calc(100% - 200px); /* 버튼 영역 공간 확보 */
    margin-right: auto; /* 로고와 버튼 사이 공간 확보 */
  }
  
  .floating-nav-logo {
    font-size: clamp(0.875rem, 3.5vw, 1rem);
    max-width: 100%;
    line-height: 1.2;
  }
  
  .floating-nav-logo .logo-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
  }
  
  .floating-nav-link {
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
  }
  
  /* 모든 아이콘 버튼 크기 통일 */
  .floating-nav-social-link,
  .dark-mode-toggle,
  .floating-nav-hamburger {
    width: 36px;
    height: 36px;
    min-width: 36px;
    min-height: 36px;
  }
  
  .floating-nav-social-link svg {
    width: 100%;
    height: 100%;
  }
  
  .dark-mode-toggle svg {
    width: 18px;
    height: 18px;
  }
  
  .floating-nav-buttons {
    gap: 0.375rem; /* 모바일에서 더 작은 간격 */
    flex-shrink: 0;
  }
  
  .floating-nav-links {
    gap: 0.25rem;
    margin: 0 var(--spacing-sm);
  }
  
  /* 모바일에서 햄버거 버튼 표시 */
  .floating-nav-hamburger {
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
  }
  
  /* 모바일에서 링크는 숨김 (햄버거 메뉴로 대체) */
  .floating-nav-links {
    display: none !important;
  }
  
  /* 모바일 메뉴는 모바일에서만 표시 가능 */
  .floating-nav-mobile-menu {
    /* 기본 상태는 none, active일 때만 block */
  }
  
  .floating-nav-mobile-menu.active {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
  }
  
  .hero-section {
    padding-top: calc(var(--spacing-xl) + 100px);
  }
}

/* 작은 모바일 화면 (480px 이하) */
@media (max-width: 480px) {
  .floating-nav {
    padding: var(--spacing-xs) var(--spacing-xs) 0;
  }
  
  .floating-nav-container {
    padding: 0.5rem 0.75rem;
    gap: 0.375rem; /* 작은 화면에서 더 작은 간격 */
    min-height: 44px;
    justify-content: flex-start; /* 작은 화면에서도 왼쪽 정렬 */
  }
  
  .floating-nav-logo-wrap {
    max-width: calc(100% - 180px); /* 작은 화면에서 더 작은 로고 영역 */
    margin-right: auto;
  }
  
  .floating-nav-logo {
    font-size: clamp(0.75rem, 3vw, 0.875rem);
    line-height: 1.2;
  }
  
  .floating-nav-logo .logo-text {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
  }
  
  .floating-nav-link {
    font-size: 0.8125rem;
    padding: 0.375rem 0.75rem;
  }
  
  /* 작은 화면에서도 아이콘 크기 유지 (터치 친화적) */
  .floating-nav-social-link,
  .dark-mode-toggle,
  .floating-nav-hamburger {
    width: 36px;
    height: 36px;
    min-width: 36px;
    min-height: 36px;
  }
  
  .floating-nav-social-link svg {
    width: 100%;
    height: 100%;
  }
  
  .dark-mode-toggle svg {
    width: 18px;
    height: 18px;
  }
  
  .floating-nav-buttons {
    gap: 0.25rem; /* 작은 화면에서 최소 간격 */
  }
  
  .hamburger-line {
    width: 18px;
    height: 2.5px;
  }
  
  .floating-nav-hamburger {
    gap: 4px; /* 작은 화면에서 더 작은 간격 */
  }
  
  .mobile-menu-content {
    width: 260px;
    padding: var(--spacing-lg) var(--spacing-md);
    right: 0 !important; /* 작은 화면에서도 오른쪽 유지 */
    left: auto !important;
  }
  
  .mobile-menu-link {
    font-size: 1rem;
    padding: var(--spacing-sm) var(--spacing-md);
  }
}
  
  .hero-cta {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-cta-btn {
    width: 100%;
  }
  
  .quick-links-grid {
    grid-template-columns: 1fr;
  }
  
  .posts-grid-cards,
  .projects-grid-cards {
    grid-template-columns: 1fr;
  }
  /* ============================================
     페이지 헤더 섹션 (floating-nav 아래)
     ============================================ */

header.page-header-section,
.page-header-section {
  padding-top: 100px;
  padding-bottom: var(--spacing-md);
  padding-left: 0;
  padding-right: 0;
  background: var(--color-bg-primary);
  margin-top: 0;
  border-bottom: 1px solid rgba(10, 14, 39, 0.06);
}

.page-header-content {
  text-align: left;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  width: 100%;
  box-sizing: border-box;
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.page-description {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin: 0;
  font-weight: 400;
  max-width: 700px;
  margin-top: 0.5rem;
  opacity: 0.8;
  letter-spacing: -0.005em;
}

.page-description-content {
  max-width: 900px;
  margin: calc(var(--spacing-md) + 1rem) auto var(--spacing-lg) auto;
  padding: 0 var(--spacing-md);
  padding-top: var(--spacing-md);
  width: 100%;
}

.page-description-content .f4 {
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  color: var(--color-text-secondary);
  line-height: 1.75;
  font-weight: 400;
  opacity: 0.8;
  letter-spacing: -0.005em;
  margin: 0;
}

@media (max-width: 768px) {
  .page-header-section {
    padding: calc(var(--spacing-lg) + 80px) 0 var(--spacing-md) 0;
  }
}

/* ============================================
   컨테이너 및 섹션 스타일 - 모든 페이지 정렬 통일
   ============================================ */

.container-custom {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  width: 100%;
  box-sizing: border-box;
}

.section-spacing {
  padding: var(--spacing-lg) 0 var(--spacing-xl) 0;
}

.page-description-content {
  max-width: 900px;
  margin: 0 auto var(--spacing-lg) auto;
  padding: 0 var(--spacing-md);
  width: 100%;
  box-sizing: border-box;
}

.page-header-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ============================================
   간단하고 깔끔한 리스트 스타일
   ============================================ */

.posts-list-section {
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-md);
  background: rgba(247, 250, 252, 0.5);
  border-radius: 12px;
  border: 1px solid rgba(10, 14, 39, 0.08);
  width: 100%;
  box-sizing: border-box;
}

.post-list-item {
  padding: var(--spacing-md) var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  border-radius: 8px;
  border: 1px solid rgba(10, 14, 39, 0.08);
  transition: all var(--transition-fast);
  background: var(--color-bg-card);
  box-shadow: var(--shadow-sm);
}

.post-list-item:last-child {
  margin-bottom: 0;
}

.post-list-item:hover {
  background-color: rgba(247, 250, 252, 0.9) !important;
  box-shadow: 0 4px 12px rgba(10, 14, 39, 0.1);
  transform: translateY(-2px);
  border-color: rgba(0, 217, 255, 0.3);
}

.post-list-content {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.post-list-header {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.post-list-date {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-text-light);
  font-weight: 400;
  letter-spacing: 0.02em;
}

.post-list-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 600;
  line-height: 1.3;
  margin: 0;
  letter-spacing: -0.02em;
}

.post-list-title a {
  color: var(--color-text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.post-list-summary {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin: 0;
  font-weight: 400;
}

/* Pagination */
.pagination-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(10, 14, 39, 0.08);
}

.pagination-link {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  color: var(--color-text-primary);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: all var(--transition-fast);
}

.pagination-link:hover {
  background-color: rgba(247, 250, 252, 0.5);
  color: var(--color-accent);
}

.pagination-info {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-text-light);
}

@media (max-width: 768px) {
  .container-custom,
  .page-header-content,
  .page-description-content,
  .posts-list-section {
    padding-left: var(--spacing-sm);
    padding-right: var(--spacing-sm);
  }
  
  .post-list-title {
    font-size: 1.375rem;
  }
  
  .post-list-summary {
    font-size: 0.875rem;
  }
  
  .post-list-item {
    padding: var(--spacing-sm) var(--spacing-sm);
  }
  
  .posts-list-section {
    padding: var(--spacing-sm);
  }
}

/* ============================================
   Footer 스타일
   ============================================ */

footer[role="contentinfo"] {
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
  background-color: var(--color-bg-primary) !important;
  padding: var(--spacing-lg) var(--spacing-md) !important;
  margin-top: var(--spacing-xl);
  border-top: 1px solid rgba(10, 14, 39, 0.08);
  color: var(--color-text-primary) !important;
  transition: background-color var(--transition-base), color var(--transition-base), border-color var(--transition-base);
  min-height: 80px; /* 최소 높이 보장 */
}

[data-theme="dark"] footer[role="contentinfo"],
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) footer[role="contentinfo"] {
    border-top-color: rgba(255, 255, 255, 0.1);
  }
}

footer[role="contentinfo"] > div {
  display: flex !important;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
}

footer[role="contentinfo"] a {
  color: var(--color-text-primary) !important;
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  transition: color var(--transition-fast);
}

footer[role="contentinfo"] a:hover {
  color: var(--color-accent) !important;
}

footer[role="contentinfo"] .white-70 {
  color: var(--color-text-secondary) !important;
  font-size: 0.9375rem;
  font-weight: 400;
}

footer[role="contentinfo"] .hover-white:hover {
  color: var(--color-accent) !important;
}

/* Footer 내부 요소 스타일 */
footer[role="contentinfo"] .f4 {
  font-size: 0.9375rem !important;
  font-weight: 500 !important;
  color: var(--color-text-primary) !important;
}

footer[role="contentinfo"] .dn {
  display: none !important;
}

footer[role="contentinfo"] .dib-ns {
  display: inline-block !important;
}

/* 모바일에서 footer 개선 */
@media (max-width: 768px) {
  footer[role="contentinfo"] {
    padding: var(--spacing-md) var(--spacing-sm) !important;
    margin-top: var(--spacing-lg);
    border-top: 2px solid rgba(10, 14, 39, 0.15) !important; /* 모바일에서 더 두껍고 진하게 */
    min-height: auto;
    background-color: var(--color-bg-primary) !important;
  }
  
  [data-theme="dark"] footer[role="contentinfo"],
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) footer[role="contentinfo"] {
      border-top-color: rgba(255, 255, 255, 0.2) !important;
    }
  }
  
  footer[role="contentinfo"] > div {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-md); /* 간격 증가 */
    padding: 0;
    width: 100%;
  }
  
  footer[role="contentinfo"] a,
  footer[role="contentinfo"] .white-70,
  footer[role="contentinfo"] .f4 {
    font-size: 0.9375rem !important; /* 모바일에서도 읽기 쉬운 크기 */
    line-height: 1.8;
    font-weight: 500 !important;
    color: var(--color-text-primary) !important;
  }
  
  /* 모바일에서 copyright 표시 */
  footer[role="contentinfo"] .dn {
    display: block !important;
    margin-bottom: var(--spacing-xs);
  }
  
  /* 소셜 링크 모바일 스타일 */
  footer[role="contentinfo"] .ananke-socials {
    display: flex !important;
    gap: var(--spacing-sm);
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
  }
  
  footer[role="contentinfo"] .ananke-socials a {
    font-size: 1rem !important;
    padding: var(--spacing-xs);
    color: var(--color-text-primary) !important;
  }
}

@media (max-width: 480px) {
  footer[role="contentinfo"] {
    padding: var(--spacing-md) var(--spacing-sm) !important;
    border-top: 2px solid rgba(10, 14, 39, 0.15) !important;
    background-color: var(--color-bg-primary) !important;
  }
  
  [data-theme="dark"] footer[role="contentinfo"],
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) footer[role="contentinfo"] {
      border-top-color: rgba(255, 255, 255, 0.2) !important;
    }
  }
  
  footer[role="contentinfo"] > div {
    gap: var(--spacing-sm);
  }
  
  footer[role="contentinfo"] a,
  footer[role="contentinfo"] .white-70,
  footer[role="contentinfo"] .f4 {
    font-size: 0.875rem !important; /* 작은 화면에서도 읽기 쉬운 크기 */
    line-height: 1.8;
  }
  
  footer[role="contentinfo"] .ananke-socials a {
    font-size: 0.9375rem !important;
  }
}