/* =============================================
   충북안실련 웹사이트 - 메인 스타일시트
   ============================================= */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;600;700;900&display=swap');

/* =============================================
   CSS Custom Properties (Design Tokens)
   ============================================= */
:root {
  /* Primary Colors */
  --primary: #1B4F8A;
  --primary-dark: #133A66;
  --primary-light: #2A6CB8;
  --primary-50: rgba(27, 79, 138, 0.05);
  --primary-100: rgba(27, 79, 138, 0.1);
  --primary-200: rgba(27, 79, 138, 0.2);

  /* Accent Colors */
  --accent: #2E8B57;
  --accent-dark: #1F6B3F;
  --accent-light: #3DAE6E;

  /* Neutral Colors */
  --white: #FFFFFF;
  --gray-50: #F8FAFB;
  --gray-100: #F1F4F7;
  --gray-200: #E2E7ED;
  --gray-300: #CDD4DC;
  --gray-400: #9BA5B1;
  --gray-500: #6B7785;
  --gray-600: #4A5568;
  --gray-700: #2D3748;
  --gray-800: #1A202C;
  --gray-900: #0F1419;

  /* Semantic Colors */
  --success: #38A169;
  --warning: #DD6B20;
  --danger: #E53E3E;
  --info: #3182CE;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #1B4F8A 0%, #2A6CB8 50%, #2E8B57 100%);
  --gradient-hero: linear-gradient(135deg, #0F2B46 0%, #1B4F8A 40%, #1a5276 70%, #1d6a4a 100%);
  --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.6));
  --gradient-dark: linear-gradient(135deg, #1A202C, #2D3748);

  /* Typography */
  --font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 40px rgba(27, 79, 138, 0.15);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.06);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --container-max: 1200px;
  --header-height: 80px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  color: var(--gray-700);
  line-height: 1.7;
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

ul,
ol {
  list-style: none;
}

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

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

/* =============================================
   Utilities
   ============================================= */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-24) 0;
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--gray-800);
  text-align: center;
  margin-bottom: var(--space-4);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  margin: var(--space-4) auto 0;
}

.section-subtitle {
  text-align: center;
  color: var(--gray-500);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-16);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--font-size-base);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-slow);
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(27, 79, 138, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(27, 79, 138, 0.4);
}

.btn-outline {
  border: 2px solid var(--white);
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(4px);
}

.btn-outline:hover {
  background: var(--white);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-accent {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(46, 139, 87, 0.3);
}

.btn-accent:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(46, 139, 87, 0.4);
}

.btn-lg {
  padding: var(--space-4) var(--space-10);
  font-size: var(--font-size-lg);
}

/* =============================================
   Header & Navigation
   ============================================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  transition: all var(--transition-base);
  background: transparent;
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-md);
}

.header.scrolled .nav-link {
  color: var(--gray-700);
}

.header.scrolled .nav-link:hover,
.header.scrolled .nav-link.active {
  color: var(--primary);
}

.header.scrolled .logo-text {
  color: var(--primary);
}

.header.scrolled .logo-sub {
  color: var(--gray-500);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  z-index: 1001;
}

.logo-icon {
  width: auto;
  height: 40px;
  border-radius: 0;
  overflow: visible;
  flex-shrink: 0;
}

.logo-icon img {
  width: auto;
  height: 100%;
  display: block;
  object-fit: contain;
}

.logo-text {
  font-size: var(--font-size-xl);
  font-weight: 800;
  color: var(--white);
  transition: color var(--transition-base);
  line-height: 1.2;
}

.logo-sub {
  font-size: var(--font-size-xs);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-base);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  padding: var(--space-2) var(--space-4);
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
}

.header.scrolled .nav-link:hover,
.header.scrolled .nav-link.active {
  background: var(--primary-50);
}

.nav-cta {
  margin-left: var(--space-4);
  padding: var(--space-2) var(--space-6);
  background: var(--accent);
  color: var(--white) !important;
  border-radius: var(--radius-full);
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(46, 139, 87, 0.3);
}

.nav-cta:hover {
  background: var(--accent-dark) !important;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(46, 139, 87, 0.4);
}

/* Mobile Menu */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: var(--radius-full);
  transition: all var(--transition-base);
}

.header.scrolled .nav-toggle span {
  background: var(--gray-700);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* =============================================
   Hero Section
   ============================================= */
.hero {
  min-height: 100vh;
  background: var(--gradient-hero);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(46, 139, 87, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 8s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(27, 79, 138, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {

  0%,
  100% {
    transform: translate(0, 0);
  }

  50% {
    transform: translate(30px, -30px);
  }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--space-8);
  backdrop-filter: blur(10px);
  animation: fadeInUp 0.8s ease;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 900;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: var(--space-6);
  animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-title .highlight {
  background: linear-gradient(135deg, #5BC0EB, #3DAE6E);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.8;
  margin-bottom: var(--space-10);
  max-width: 560px;
  animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-buttons {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.6s both;
}

.hero-stats {
  display: flex;
  gap: var(--space-12);
  margin-top: var(--space-16);
  animation: fadeInUp 0.8s ease 0.8s both;
}

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

.hero-stat-number {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--white);
  display: block;
}

.hero-stat-label {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.6);
  margin-top: var(--space-1);
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--font-size-xs);
  animation: bounce 2s infinite;
}

.scroll-indicator .mouse {
  width: 24px;
  height: 38px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  position: relative;
}

.scroll-indicator .mouse::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 8px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-full);
  animation: scrollMouse 2s infinite;
}

@keyframes scrollMouse {
  0% {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }

  100% {
    opacity: 0;
    transform: translateX(-50%) translateY(12px);
  }
}

@keyframes bounce {

  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateX(-50%) translateY(0);
  }

  40% {
    transform: translateX(-50%) translateY(-8px);
  }

  60% {
    transform: translateX(-50%) translateY(-4px);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

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

/* =============================================
   Features / Activities Section
   ============================================= */
.features {
  background: var(--gray-50);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.feature-card {
  background: var(--white);
  padding: var(--space-10) var(--space-8);
  border-radius: var(--radius-xl);
  text-align: center;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--gray-100);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

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

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

.feature-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-6);
  background: var(--primary-50);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  transition: all var(--transition-base);
}

.feature-card:hover .feature-icon {
  background: var(--gradient-primary);
  transform: scale(1.1) rotate(5deg);
}

.feature-card:hover .feature-icon span {
  filter: brightness(0) invert(1);
}

.feature-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--space-3);
}

.feature-card p {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  line-height: 1.7;
}

/* =============================================
   News / Notice Section
   ============================================= */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.news-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--gray-100);
  transition: all var(--transition-base);
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.news-card-image {
  height: 200px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  position: relative;
  overflow: hidden;
}

.news-card-image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.3), transparent);
}

.news-card-body {
  padding: var(--space-6);
}

.news-card-tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: var(--primary-50);
  color: var(--primary);
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
}

.news-card-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--space-3);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card-date {
  font-size: var(--font-size-sm);
  color: var(--gray-400);
}

.news-more {
  text-align: center;
  margin-top: var(--space-12);
}

/* =============================================
   Education Section
   ============================================= */
.education-banner {
  background: var(--gradient-hero);
  border-radius: var(--radius-2xl);
  padding: var(--space-16) var(--space-12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-12);
  position: relative;
  overflow: hidden;
}

.education-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.education-info {
  position: relative;
  z-index: 1;
  flex: 1;
}

.education-info h2 {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--white);
  margin-bottom: var(--space-4);
}

.education-info p {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.8;
  margin-bottom: var(--space-8);
}

.education-features {
  display: flex;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.education-feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: rgba(255, 255, 255, 0.9);
  font-weight: 500;
}

.education-feature .icon {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

/* =============================================
   Support / Donation Section
   ============================================= */
.support {
  background: var(--gray-50);
}

.support-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.support-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 50%;
  margin: 0 auto var(--space-8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {

  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(27, 79, 138, 0.3);
  }

  50% {
    box-shadow: 0 0 0 20px rgba(27, 79, 138, 0);
  }
}

.support-content h2 {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--gray-800);
  margin-bottom: var(--space-4);
}

.support-content p {
  font-size: var(--font-size-lg);
  color: var(--gray-500);
  line-height: 1.8;
  margin-bottom: var(--space-10);
}

.support-methods {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}

.support-method {
  background: var(--white);
  padding: var(--space-6) var(--space-8);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--gray-100);
  text-align: center;
  min-width: 200px;
  transition: all var(--transition-base);
}

.support-method:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.support-method .icon {
  font-size: 2rem;
  margin-bottom: var(--space-3);
}

.support-method h4 {
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--space-2);
}

.support-method p {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  margin-bottom: 0;
}

/* =============================================
   Page Hero (Sub-pages)
   ============================================= */
.page-hero {
  padding-top: calc(var(--header-height) + var(--space-16));
  padding-bottom: var(--space-16);
  background: var(--gradient-hero);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -15%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(46, 139, 87, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.page-hero h1 {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--white);
  margin-bottom: var(--space-4);
  position: relative;
  z-index: 1;
}

.page-hero p {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.7);
  position: relative;
  z-index: 1;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
  position: relative;
  z-index: 1;
}

.breadcrumb a {
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: rgba(255, 255, 255, 0.9);
}

.breadcrumb .separator {
  margin: 0 var(--space-1);
}

/* =============================================
   About Page
   ============================================= */
.about-greeting {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.about-greeting-text h2 {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--gray-800);
  margin-bottom: var(--space-6);
}

.about-greeting-text p {
  font-size: var(--font-size-base);
  color: var(--gray-600);
  line-height: 2;
  margin-bottom: var(--space-4);
}

.about-greeting-image {
  background: none !important;
  border-radius: var(--radius-2xl);
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem;
  position: relative;
  overflow: hidden;
}

/* .about-greeting-image::after removed */

/* Organization chart */
.org-chart {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.org-card {
  background: var(--white);
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  text-align: center;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--gray-100);
  transition: all var(--transition-base);
}

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

.org-card-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-4);
  background: var(--primary-50);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

.org-card h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--space-2);
}

.org-card p {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  line-height: 1.7;
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gray-200);
  border-radius: var(--radius-full);
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: var(--space-10);
  position: relative;
}

.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
  text-align: right;
}

.timeline-dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  background: var(--primary);
  border: 3px solid var(--white);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  z-index: 1;
}

.timeline-content {
  width: 45%;
  background: var(--white);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--gray-100);
}

.timeline-year {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: var(--space-2);
}

.timeline-content h3 {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--space-2);
}

.timeline-content p {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
}

/* =============================================
   News Page
   ============================================= */
.news-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-bottom: var(--space-10);
}

.news-tab {
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  background: var(--gray-100);
  transition: all var(--transition-base);
  cursor: pointer;
}

.news-tab.active,
.news-tab:hover {
  background: var(--primary);
  color: var(--white);
}

.news-list-item {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-6);
  border-bottom: 1px solid var(--gray-100);
  transition: all var(--transition-base);
}

.news-list-item:hover {
  background: var(--gray-50);
  border-radius: var(--radius-lg);
}

.news-list-item .tag {
  padding: var(--space-1) var(--space-3);
  background: var(--primary-50);
  color: var(--primary);
  font-size: var(--font-size-xs);
  font-weight: 700;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.news-list-item .title {
  flex: 1;
  font-weight: 600;
  color: var(--gray-800);
}

.news-list-item .date {
  font-size: var(--font-size-sm);
  color: var(--gray-400);
  white-space: nowrap;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-12);
}

.pagination a,
.pagination span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--font-size-sm);
  transition: all var(--transition-base);
  color: var(--gray-500);
  background: var(--white);
  border: 1px solid var(--gray-200);
}

.pagination a:hover,
.pagination .active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

/* =============================================
   Programs Page
   ============================================= */
.programs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.program-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--gray-100);
  transition: all var(--transition-base);
  display: flex;
  gap: var(--space-6);
}

.program-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.program-card-icon {
  width: 64px;
  height: 64px;
  min-width: 64px;
  background: var(--primary-50);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  transition: all var(--transition-base);
}

.program-card:hover .program-card-icon {
  background: var(--gradient-primary);
  transform: rotate(10deg);
}

.program-card:hover .program-card-icon span {
  filter: brightness(0) invert(1);
}

.program-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--space-3);
}

.program-card p {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  line-height: 1.8;
  margin-bottom: var(--space-4);
}

.program-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.program-card-tags span {
  padding: var(--space-1) var(--space-3);
  background: var(--gray-50);
  color: var(--gray-600);
  font-size: var(--font-size-xs);
  font-weight: 500;
  border-radius: var(--radius-full);
}

/* =============================================
   Education Page
   ============================================= */
.edu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.edu-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--gray-100);
  transition: all var(--transition-base);
}

.edu-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.edu-card-header {
  padding: var(--space-8) var(--space-6);
  background: var(--gradient-primary);
  text-align: center;
  position: relative;
}

.edu-card-header .icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-3);
}

.edu-card-header h3 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--white);
}

.edu-card-body {
  padding: var(--space-6);
}

.edu-card-body ul {
  list-style: none;
}

.edu-card-body ul li {
  font-size: var(--font-size-sm);
  color: var(--gray-600);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.edu-card-body ul li:last-child {
  border-bottom: none;
}

.edu-card-body ul li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 700;
}

.edu-apply {
  text-align: center;
  margin-top: var(--space-12);
  padding: var(--space-10);
  background: var(--gray-50);
  border-radius: var(--radius-2xl);
}

.edu-apply h3 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--space-4);
}

.edu-apply p {
  color: var(--gray-500);
  margin-bottom: var(--space-6);
}

/* =============================================
   Support Page
   ============================================= */
.support-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-bottom: var(--space-16);
}

.support-info-card {
  background: var(--white);
  padding: var(--space-10);
  border-radius: var(--radius-xl);
  text-align: center;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--gray-100);
  transition: all var(--transition-base);
}

.support-info-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.support-info-card .icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
}

.support-info-card h3 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: var(--space-3);
}

.support-info-card p {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
  line-height: 1.8;
}

.support-account {
  background: var(--gradient-hero);
  border-radius: var(--radius-2xl);
  padding: var(--space-12);
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.support-account::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -15%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.support-account h3 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--space-6);
  position: relative;
}

.support-account-info {
  font-size: var(--font-size-xl);
  font-weight: 600;
  background: rgba(255, 255, 255, 0.15);
  padding: var(--space-6) var(--space-10);
  border-radius: var(--radius-lg);
  display: inline-block;
  position: relative;
  margin-bottom: var(--space-4);
  backdrop-filter: blur(10px);
}

.support-account p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  position: relative;
}

/* =============================================
   Footer
   ============================================= */
.footer {
  background: var(--gray-900);
  color: rgba(255, 255, 255, 0.6);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-brand .logo {
  margin-bottom: var(--space-4);
}

.footer-brand .logo .logo-text {
  color: var(--white);
}

.footer-brand .logo .logo-sub {
  color: rgba(255, 255, 255, 0.4);
}

.footer-brand p {
  font-size: var(--font-size-sm);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.5);
}

.footer-section h4 {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-6);
}

.footer-section ul li {
  margin-bottom: var(--space-3);
}

.footer-section ul li a {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.5);
  transition: all var(--transition-base);
}

.footer-section ul li a:hover {
  color: var(--white);
  padding-left: var(--space-2);
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-sm);
}

.footer-contact {
  display: flex;
  gap: var(--space-6);
}

.footer-contact span {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* =============================================
   Animations (Scroll Reveal)
   ============================================= */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal-left.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
}

/* =============================================
   Back to Top Button
   ============================================= */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  z-index: 999;
  cursor: pointer;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
}

/* =============================================
   Responsive Design
   ============================================= */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .about-greeting {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .education-banner {
    flex-direction: column;
    text-align: center;
    padding: var(--space-10);
  }

  .education-features {
    justify-content: center;
  }

  .org-chart {
    grid-template-columns: repeat(2, 1fr);
  }

  .edu-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .support-info-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 350px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: calc(var(--header-height) + var(--space-8)) var(--space-8) var(--space-8);
    gap: var(--space-1);
    transition: right var(--transition-base);
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
  }

  .nav-menu.open {
    right: 0;
  }

  .nav-link {
    color: var(--gray-700);
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-base);
  }

  .nav-link:hover,
  .nav-link.active {
    background: var(--primary-50);
    color: var(--primary);
  }

  .nav-cta {
    margin-left: 0;
    margin-top: var(--space-4);
    text-align: center;
    width: 100%;
    justify-content: center;
  }

  .mobile-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }

  .mobile-overlay.active {
    opacity: 1;
    visibility: visible;
  }

  .hero-title {
    font-size: var(--font-size-3xl);
  }

  .hero-stats {
    gap: var(--space-6);
  }

  .hero-stat-number {
    font-size: var(--font-size-2xl);
  }

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

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

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

  .support-methods {
    flex-direction: column;
    align-items: center;
  }

  .support-method {
    width: 100%;
    max-width: 300px;
  }

  .section-title {
    font-size: var(--font-size-2xl);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

  .footer-contact {
    flex-direction: column;
    align-items: center;
  }

  .timeline::before {
    left: 20px;
  }

  .timeline-dot {
    left: 20px;
  }

  .timeline-item,
  .timeline-item:nth-child(odd) {
    flex-direction: row;
    text-align: left;
    padding-left: 50px;
  }

  .timeline-content {
    width: 100%;
  }

  .org-chart {
    grid-template-columns: 1fr;
  }

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

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

  .news-list-item {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn {
    text-align: center;
    justify-content: center;
  }

  .page-hero h1 {
    font-size: var(--font-size-2xl);
  }

  .education-features {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-4);
  }

  .section {
    padding: var(--space-16) 0;
  }

  .hero-title {
    font-size: var(--font-size-2xl);
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-4);
  }

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

  .program-card-icon {
    margin: 0 auto;
  }

  .program-card-tags {
    justify-content: center;
  }
}