/* ============================================
   SEASTAR WORK - Global Enterprise Portal
   Premium Maritime Engineering Design System
   ============================================ */

/* === CSS Variables === */
:root {
  --primary: #0a2e5c;
  --primary-light: #1a4a8a;
  --primary-dark: #061d3a;
  --accent: #00b4d8;
  --accent-light: #48cae4;
  --accent-dark: #0096c7;
  --gold: #d4a843;
  --gold-light: #e8c96a;
  --success: #2ecc71;
  --warning: #f39c12;
  --danger: #e74c3c;
  --dark: #0d1b2a;
  --dark-lighter: #1b2838;
  --gray-900: #1a1a2e;
  --gray-800: #2d2d44;
  --gray-700: #404060;
  --gray-600: #555577;
  --gray-500: #8888aa;
  --gray-400: #aaaabb;
  --gray-300: #ccccdd;
  --gray-200: #e8e8f0;
  --gray-100: #f4f4f8;
  --white: #ffffff;
  --font-main: 'Pretendard', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Montserrat', 'Pretendard', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.16);
  --shadow-xl: 0 16px 60px rgba(0,0,0,0.2);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.2s ease;
  --transition-slow: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-main);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: var(--transition-fast); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
h1,h2,h3,h4,h5,h6 { font-family: var(--font-heading); font-weight: 700; line-height: 1.3; }

/* === Utility === */
.container { max-width: 1320px; margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: 1600px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section-sm { padding: 60px 0; }
.text-center { text-align: center; }
.text-white { color: var(--white); }
.text-accent { color: var(--accent); }
.text-gold { color: var(--gold); }
.bg-dark { background: var(--dark); }
.bg-primary { background: var(--primary); }
.bg-gray { background: var(--gray-100); }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* === Section Headers === */
.section-header { text-align: center; margin-bottom: 60px; }
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  border: 2px solid var(--accent);
  padding: 6px 20px;
  border-radius: 30px;
  margin-bottom: 20px;
}
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--primary);
  margin-bottom: 16px;
}
.section-title span { color: var(--accent); }
.section-desc {
  font-size: 1.1rem;
  color: var(--gray-600);
  max-width: 640px;
  margin: 0 auto;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  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 0.5s;
}
.btn:hover::before { left: 100%; }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--white);
  box-shadow: 0 4px 15px rgba(0,180,216,0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0,180,216,0.5);
}
.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--primary);
}
.btn-dark {
  background: var(--primary);
  color: var(--white);
}
.btn-dark:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}
.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--dark);
  font-weight: 700;
}
.btn-sm { padding: 8px 20px; font-size: 0.85rem; }
.btn-lg { padding: 18px 40px; font-size: 1.05rem; }
.btn-icon { width: 48px; height: 48px; padding: 0; justify-content: center; border-radius: 50%; }

/* === Navigation === */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(10, 46, 92, 0.97);
  backdrop-filter: blur(20px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  padding: 0 40px;
}
.navbar.scrolled .navbar-inner { height: 64px; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 1.2rem; color: var(--white);
}
.logo-text {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 1px;
}
.logo-text span { display: block; font-size: 0.6rem; font-weight: 400; letter-spacing: 3px; text-transform: uppercase; color: var(--accent-light); opacity: 0.8; }

.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-item { position: relative; }
.nav-link {
  display: block;
  padding: 10px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  transition: var(--transition-fast);
  letter-spacing: 0.5px;
}
.nav-link:hover, .nav-link.active { color: var(--accent-light); }
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  width: 0; height: 2px;
  background: var(--accent);
  transition: var(--transition);
  transform: translateX(-50%);
}
.nav-link:hover::after, .nav-link.active::after { width: 60%; }

/* Mega Menu */
.mega-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  min-width: 240px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 12px 0;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  border-top: 3px solid var(--accent);
}
.nav-item:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.mega-menu a {
  display: block;
  padding: 10px 24px;
  font-size: 0.88rem;
  color: var(--gray-700);
  font-weight: 500;
  transition: var(--transition-fast);
}
.mega-menu a:hover {
  background: var(--gray-100);
  color: var(--accent-dark);
  padding-left: 30px;
}

.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-lang {
  padding: 6px 14px;
  font-size: 0.8rem;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 20px;
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  transition: var(--transition-fast);
}
.nav-lang:hover { border-color: var(--accent); color: var(--accent); }
.nav-login-btn {
  padding: 8px 22px;
  background: var(--accent);
  color: var(--white);
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
}
.nav-login-btn:hover { background: var(--accent-dark); }

/* Mobile */
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: var(--transition); }

/* === Hero Section === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}
.hero-bg-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.5s ease;
}
.hero-bg-slide.active { opacity: 1; }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(10,46,92,0.85) 0%, rgba(0,0,0,0.6) 50%, rgba(0,180,216,0.2) 100%);
  z-index: 2;
}
.hero-particles {
  position: absolute;
  inset: 0;
  z-index: 3;
  overflow: hidden;
}
.particle {
  position: absolute;
  width: 4px; height: 4px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0.3;
  animation: float-particle 15s infinite linear;
}
@keyframes float-particle {
  0% { transform: translateY(100vh) translateX(0); opacity: 0; }
  10% { opacity: 0.3; }
  90% { opacity: 0.3; }
  100% { transform: translateY(-100px) translateX(200px); opacity: 0; }
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 800px;
  padding: 0 40px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(0,180,216,0.15);
  border: 1px solid rgba(0,180,216,0.3);
  border-radius: 30px;
  color: var(--accent-light);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease both;
}
.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s 0.2s ease both;
}
.hero-title .highlight {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-desc {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 40px;
  max-width: 560px;
  animation: fadeInUp 0.8s 0.4s ease both;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s 0.6s ease both;
}
.hero-stats {
  position: absolute;
  right: 60px;
  bottom: 120px;
  z-index: 10;
  display: flex;
  gap: 40px;
}
.hero-stat {
  text-align: center;
  animation: fadeInUp 0.8s ease both;
}
.hero-stat-num {
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  font-family: var(--font-heading);
}
.hero-stat-label {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* Hero scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.5);
  font-size: 0.7rem;
  letter-spacing: 3px;
  text-transform: uppercase;
}
.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scroll-pulse 2s infinite;
}
@keyframes scroll-pulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.5; transform: scaleY(0.6); }
}

/* === Animations === */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes slideInUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}
.animate-delay-1 { transition-delay: 0.1s; }
.animate-delay-2 { transition-delay: 0.2s; }
.animate-delay-3 { transition-delay: 0.3s; }
.animate-delay-4 { transition-delay: 0.4s; }

/* === Cards === */
.card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}
.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}
.card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: var(--transition-slow);
}
.card:hover .card-img { transform: scale(1.05); }
.card-img-wrapper { overflow: hidden; position: relative; }
.card-body { padding: 28px; }
.card-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(0,180,216,0.1);
  color: var(--accent-dark);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.card-title {
  font-size: 1.2rem;
  color: var(--primary);
  margin-bottom: 12px;
}
.card-text {
  color: var(--gray-600);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* === Service Cards === */
.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--gray-200);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: var(--transition);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  border-color: transparent;
}
.service-icon {
  width: 80px; height: 80px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, rgba(0,180,216,0.1), rgba(0,180,216,0.05));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--accent);
  transition: var(--transition);
}
.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--white);
  transform: scale(1.1) rotate(5deg);
}
.service-card h3 { font-size: 1.2rem; color: var(--primary); margin-bottom: 12px; }
.service-card p { color: var(--gray-600); font-size: 0.9rem; }
.service-num {
  position: absolute;
  top: 16px; right: 24px;
  font-size: 3rem;
  font-weight: 900;
  color: var(--gray-200);
  font-family: var(--font-heading);
}

/* === Grid Layouts === */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; }

/* === Counter Section === */
.counter-section {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
.counter-section::before {
  content: '';
  position: absolute;
  top: -50%; right: -20%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0,180,216,0.1), transparent);
  border-radius: 50%;
}
.counter-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
.counter-item { text-align: center; position: relative; }
.counter-item::after {
  content: '';
  position: absolute;
  top: 10%; right: 0;
  height: 80%;
  width: 1px;
  background: rgba(255,255,255,0.15);
}
.counter-item:last-child::after { display: none; }
.counter-num {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--accent);
  font-family: var(--font-heading);
}
.counter-label {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  margin-top: 8px;
  letter-spacing: 1px;
}

/* === Enterprise Portal Section === */
.portal-card {
  background: linear-gradient(135deg, var(--dark), var(--dark-lighter));
  border-radius: var(--radius-lg);
  padding: 48px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.05);
  transition: var(--transition);
}
.portal-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}
.portal-card::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(0,180,216,0.15), transparent);
  border-radius: 50%;
}
.portal-card h3 {
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: 12px;
}
.portal-card p {
  color: rgba(255,255,255,0.6);
  font-size: 0.95rem;
  margin-bottom: 24px;
}
.portal-features { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.portal-feature {
  padding: 6px 14px;
  background: rgba(0,180,216,0.1);
  border: 1px solid rgba(0,180,216,0.2);
  border-radius: 20px;
  font-size: 0.78rem;
  color: var(--accent-light);
}

/* === Timeline === */
.timeline { position: relative; padding: 40px 0; }
.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 2px;
  background: var(--gray-300);
  transform: translateX(-50%);
}
.timeline-item {
  display: flex;
  align-items: center;
  margin-bottom: 60px;
  position: relative;
}
.timeline-item:nth-child(odd) { flex-direction: row-reverse; }
.timeline-content {
  width: 45%;
  padding: 32px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}
.timeline-content:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.timeline-dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 20px; height: 20px;
  background: var(--accent);
  border-radius: 50%;
  border: 4px solid var(--white);
  box-shadow: 0 0 0 4px rgba(0,180,216,0.3);
  z-index: 2;
}
.timeline-year {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 8px;
}

/* === Reference Table === */
.ref-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.ref-table thead {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
}
.ref-table th {
  padding: 16px 20px;
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-align: left;
}
.ref-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--gray-200);
  font-size: 0.9rem;
  color: var(--gray-700);
}
.ref-table tbody tr { transition: var(--transition-fast); }
.ref-table tbody tr:hover { background: rgba(0,180,216,0.05); }

/* === Board / News === */
.board-item {
  display: flex;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--gray-200);
  transition: var(--transition-fast);
}
.board-item:hover { padding-left: 8px; }
.board-category {
  padding: 4px 12px;
  background: var(--accent);
  color: var(--white);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  min-width: 60px;
  text-align: center;
  margin-right: 20px;
}
.board-title-text { flex: 1; font-weight: 500; color: var(--gray-800); }
.board-date { color: var(--gray-500); font-size: 0.85rem; }

/* === Login Page === */
.login-container {
  min-height: 100vh;
  display: flex;
}
.login-visual {
  flex: 1;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.login-form-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}
.login-form {
  width: 100%;
  max-width: 420px;
}
.login-form h2 {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 8px;
}
.login-form p { color: var(--gray-600); margin-bottom: 32px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 8px;
}
.form-control {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  transition: var(--transition-fast);
  font-family: var(--font-main);
}
.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(0,180,216,0.1);
}
.form-check { display: flex; align-items: center; gap: 8px; }
.form-check input[type="checkbox"] { accent-color: var(--accent); }

/* === Admin Panel === */
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: 280px;
  background: var(--dark);
  padding: 24px 0;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  overflow-y: auto;
  z-index: 100;
}
.admin-sidebar-header {
  padding: 0 24px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 16px;
}
.admin-nav-group { padding: 8px 16px; }
.admin-nav-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gray-500);
  padding: 8px 8px;
  margin-top: 8px;
}
.admin-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,0.7);
  font-size: 0.9rem;
  transition: var(--transition-fast);
  cursor: pointer;
}
.admin-nav-item:hover, .admin-nav-item.active {
  background: rgba(0,180,216,0.15);
  color: var(--accent-light);
}
.admin-nav-item i { width: 20px; text-align: center; }
.admin-main { flex: 1; margin-left: 280px; background: var(--gray-100); }
.admin-header {
  height: 64px;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
}
.admin-content { padding: 32px; }
.admin-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}
.admin-stat {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 16px;
}
.admin-stat-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--white);
}
.admin-stat-num { font-size: 1.8rem; font-weight: 800; color: var(--primary); }
.admin-stat-label { font-size: 0.8rem; color: var(--gray-500); }

/* === Footer === */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.6);
  padding: 80px 0 0;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 60px; }
.footer-brand p { margin-top: 16px; font-size: 0.9rem; line-height: 1.7; }
.footer h4 {
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.5);
  transition: var(--transition-fast);
}
.footer-links a:hover { color: var(--accent-light); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 0.82rem;
}
.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.88rem;
}
.footer-contact-item i { color: var(--accent); width: 16px; }

/* === Breadcrumb === */
.page-header {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}
.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.page-header h1 {
  font-size: 2.5rem;
  color: var(--white);
  margin-bottom: 12px;
}
.breadcrumb {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.5);
}
.breadcrumb a { color: rgba(255,255,255,0.7); }
.breadcrumb a:hover { color: var(--accent-light); }
.breadcrumb .sep { margin: 0 4px; }

/* === Loading Screen === */
.loading-screen {
  position: fixed;
  inset: 0;
  background: var(--dark);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.6s ease;
}
.loading-screen.loaded { opacity: 0; pointer-events: none; }
.loader {
  width: 60px; height: 60px;
  border: 3px solid rgba(0,180,216,0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* === Scroll to Top === */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px;
  height: 48px;
  background: var(--accent);
  color: var(--white);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  z-index: 100;
  box-shadow: 0 4px 15px rgba(0,180,216,0.4);
}
.scroll-top.visible { opacity: 1; transform: translateY(0); }
.scroll-top:hover { background: var(--accent-dark); transform: translateY(-4px); }

/* === Toast Notifications === */
.toast-container {
  position: fixed;
  top: 100px; right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.toast {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--white);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  animation: slideInRight 0.4s ease;
  min-width: 300px;
  border-left: 4px solid var(--accent);
}
@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}
.toast-success { border-left-color: var(--success); }
.toast-error { border-left-color: var(--danger); }
.toast-warning { border-left-color: var(--warning); }

/* === Modal === */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 5000;
  display: none;
  align-items: center;
  justify-content: center;
}
.modal-overlay.show { display: flex; }
.modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  animation: scaleIn 0.3s ease;
}
.modal-header {
  padding: 24px 28px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-body { padding: 28px; }
.modal-footer {
  padding: 16px 28px;
  border-top: 1px solid var(--gray-200);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* === Responsive === */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .counter-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-stats { display: none; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-menu { display: none; }
  .nav-toggle { display: flex; }
  .nav-menu.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--dark);
    padding: 80px 24px;
    z-index: 999;
  }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
  .hero-content { padding: 0 24px; }
  .hero-title { font-size: 2rem; }
  .counter-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .timeline::before { left: 24px; }
  .timeline-item, .timeline-item:nth-child(odd) { flex-direction: column; align-items: flex-start; padding-left: 48px; }
  .timeline-content { width: 100%; }
  .timeline-dot { left: 24px; }
  .login-container { flex-direction: column; }
  .login-visual { min-height: 200px; }
  .admin-sidebar { width: 60px; }
  .admin-sidebar .admin-nav-label,
  .admin-sidebar .admin-nav-item span { display: none; }
  .admin-main { margin-left: 60px; }
}

/* === Print === */
@media print {
  .navbar, .footer, .scroll-top, .loading-screen { display: none; }
  body { color: #000; background: #fff; }
}