/* EEIT 2027 - Modern Design System
 * The 5th International Conference on Engineering Education and Information Technology
 * Tokyo, Japan | March 27-29, 2027
 */

:root {
  --eeit-primary: #1e3a5f;
  --eeit-primary-light: #2c5282;
  --eeit-accent: #0078d4;
  --eeit-accent-light: #4a90e2;
  --eeit-gradient: linear-gradient(135deg, #1e3a5f 0%, #0078d4 100%);
  --eeit-gradient-light: linear-gradient(135deg, #2c5282 0%, #4a90e2 100%);
  --eeit-bg: #f7f9fc;
  --eeit-card: #ffffff;
  --eeit-text: #2d3748;
  --eeit-text-light: #718096;
  --eeit-border: #e2e8f0;
  --eeit-success: #48bb78;
  --eeit-warning: #ed8936;
  --eeit-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --eeit-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --eeit-radius: 12px;
  --eeit-radius-sm: 8px;
  --eeit-radius-lg: 16px;
  --eeit-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--eeit-bg);
  color: var(--eeit-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ========== Header / Navigation ========== */
.eeit-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  z-index: 1000;
  transition: var(--eeit-transition);
}

.eeit-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.eeit-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  flex-shrink: 0;
}

.eeit-logo img {
  height: 48px;
  width: auto;
}

.eeit-logo-text-wrap {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.eeit-logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--eeit-primary);
  letter-spacing: -0.01em;
}

.eeit-logo-year {
  font-size: 14px;
  font-weight: 600;
  color: var(--eeit-accent);
  margin-top: 2px;
}

.eeit-logo-sub {
  font-size: 11px;
  color: var(--eeit-text-light);
  font-weight: 500;
  white-space: nowrap;
  margin-top: 2px;
}

.eeit-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.eeit-nav a {
  position: relative;
  padding: 6px 12px;
  color: var(--eeit-text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--eeit-radius-sm);
  transition: var(--eeit-transition);
  white-space: nowrap;
}

.eeit-nav a:hover,
.eeit-nav a.active {
  background: var(--eeit-accent);
  color: #fff;
}

.eeit-nav .dropdown {
  position: relative;
}

.eeit-nav .dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: #fff;
  border-radius: var(--eeit-radius);
  box-shadow: var(--eeit-shadow-lg);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--eeit-transition);
  margin-top: 4px;
}

.eeit-nav .dropdown:hover .dropdown-menu,
.eeit-nav .dropdown-menu:hover {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.eeit-nav .dropdown-menu a {
  display: block;
  padding: 10px 14px;
  border-radius: var(--eeit-radius-sm);
  font-size: 13px;
}

.eeit-nav .dropdown-menu a:hover {
  background: var(--eeit-bg);
  color: var(--eeit-accent);
}

.eeit-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  font-size: 24px;
  color: var(--eeit-primary);
}

/* ========== Hero Section ========== */
.eeit-hero {
  position: relative;
  min-height: 500px;
  background: var(--eeit-gradient);
  overflow: hidden;
  padding-top: 80px;
}

.eeit-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 1200 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0,300 C300,350 600,250 1200,300 L1200,400 L0,400 Z' fill='rgba(255,255,255,0.08)'/%3E%3Cpath d='M0,320 C400,380 800,280 1200,320 L1200,400 L0,400 Z' fill='rgba(255,255,255,0.05)'/%3E%3C/svg%3E") no-repeat bottom;
  background-size: cover;
}

.eeit-hero .container {
  position: relative;
  z-index: 2;
  padding-top: 60px;
  padding-bottom: 80px;
}

.eeit-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  padding: 8px 20px;
  border-radius: 50px;
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 24px;
}

.eeit-hero-badge .dot {
  width: 8px;
  height: 8px;
  background: #48bb78;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.eeit-hero h1 {
  font-size: 48px;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.eeit-hero h2 {
  font-size: 22px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 12px;
}

.eeit-hero p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
  max-width: 680px;
}

.eeit-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 40px;
}

.eeit-hero-meta-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 15px;
}

.eeit-hero-meta-item i {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.eeit-hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ========== Slider ========== */
.eeit-slider {
  position: relative;
  width: 100%;
  height: 560px;
  overflow: hidden;
  margin-top: 80px;
  background: #1a202c;
}

.eeit-slider-track {
  position: relative;
  width: 100%;
  height: 100%;
}

.eeit-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease-in-out;
  background-size: cover;
  background-position: center;
}

.eeit-slide.active {
  opacity: 1;
}

.eeit-slide::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, rgba(30, 58, 95, 0.85) 0%, rgba(0, 120, 212, 0.65) 100%);
}

.eeit-slide-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: #fff;
}

.eeit-slide-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  width: fit-content;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}

.eeit-slide-title {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.eeit-slide-subtitle {
  font-size: 22px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 16px;
  max-width: 720px;
  line-height: 1.4;
}

.eeit-slide-desc {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  max-width: 640px;
  line-height: 1.6;
  margin-bottom: 32px;
}

.eeit-slide-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-bottom: 32px;
}

.eeit-slide-meta-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
}

.eeit-slide-meta-item i {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.eeit-slide-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Slider arrows */
.eeit-slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 20px;
  cursor: pointer;
  z-index: 10;
  transition: var(--eeit-transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.eeit-slider-arrow:hover {
  background: rgba(255, 255, 255, 0.35);
  transform: translateY(-50%) scale(1.08);
}

.eeit-slider-arrow.prev {
  left: 24px;
}

.eeit-slider-arrow.next {
  right: 24px;
}

/* Slider dots */
.eeit-slider-dots {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.eeit-slider-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  border: none;
  cursor: pointer;
  transition: var(--eeit-transition);
  padding: 0;
}

.eeit-slider-dot.active {
  background: #fff;
  width: 36px;
  border-radius: 6px;
}

@media (max-width: 768px) {
  .eeit-slider {
    height: 460px;
  }
  .eeit-slide-title {
    font-size: 32px;
  }
  .eeit-slide-subtitle {
    font-size: 17px;
  }
  .eeit-slide-desc {
    font-size: 14px;
  }
  .eeit-slide-meta {
    gap: 16px;
  }
  .eeit-slider-arrow {
    width: 40px;
    height: 40px;
    font-size: 16px;
  }
}

/* ========== Compact Dates Strip ========== */
.eeit-dates-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.eeit-date-strip-item {
  background: #fff;
  border-radius: var(--eeit-radius);
  padding: 24px 20px;
  text-align: center;
  box-shadow: var(--eeit-shadow);
  border-top: 3px solid var(--eeit-accent);
  transition: var(--eeit-transition);
}

.eeit-date-strip-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--eeit-shadow-lg);
}

.eeit-date-strip-item.highlight {
  border-top-color: var(--eeit-success);
  background: linear-gradient(135deg, #f0fff4 0%, #ffffff 100%);
}

.eeit-date-strip-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 14px;
  background: var(--eeit-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--eeit-accent);
}

.eeit-date-strip-item.highlight .eeit-date-strip-icon {
  background: #c6f6d5;
  color: var(--eeit-success);
}

.eeit-date-strip-label {
  font-size: 13px;
  color: var(--eeit-text-light);
  font-weight: 500;
  margin-bottom: 6px;
}

.eeit-date-strip-value {
  font-size: 17px;
  font-weight: 700;
  color: var(--eeit-primary);
}

@media (max-width: 992px) {
  .eeit-dates-strip {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

/* ========== Highlight Cards (compact) ========== */
.eeit-highlight-card {
  background: #fff;
  border-radius: var(--eeit-radius);
  padding: 24px;
  box-shadow: var(--eeit-shadow);
  transition: var(--eeit-transition);
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.eeit-highlight-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--eeit-shadow-lg);
}

.eeit-highlight-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--eeit-gradient);
  border-radius: var(--eeit-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #fff;
}

.eeit-highlight-body h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--eeit-primary);
  margin-bottom: 4px;
}

.eeit-highlight-body p {
  font-size: 13px;
  color: var(--eeit-text-light);
  line-height: 1.5;
  margin: 0;
}

/* ========== Compact Track Card ========== */
.eeit-track-mini {
  background: #fff;
  border-radius: var(--eeit-radius);
  padding: 28px 24px;
  box-shadow: var(--eeit-shadow);
  transition: var(--eeit-transition);
  text-align: center;
  border-bottom: 4px solid transparent;
}

.eeit-track-mini:hover {
  transform: translateY(-4px);
  box-shadow: var(--eeit-shadow-lg);
  border-bottom-color: var(--eeit-accent);
}

.eeit-track-mini-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, #ebf5ff 0%, #dbeafe 100%);
  border-radius: var(--eeit-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--eeit-accent);
}

.eeit-track-mini h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--eeit-primary);
  margin-bottom: 8px;
  line-height: 1.4;
}

.eeit-track-mini p {
  font-size: 13px;
  color: var(--eeit-text-light);
  line-height: 1.5;
  margin: 0;
}

/* ========== Buttons ========== */
.eeit-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--eeit-radius);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--eeit-transition);
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.eeit-btn-primary {
  background: #fff;
  color: var(--eeit-primary);
  box-shadow: var(--eeit-shadow);
}

.eeit-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--eeit-shadow-lg);
}

.eeit-btn-secondary {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.eeit-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.6);
}

.eeit-btn-outline {
  background: transparent;
  color: var(--eeit-accent);
  border: 2px solid var(--eeit-accent);
}

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

.eeit-btn-block {
  width: 100%;
  justify-content: center;
}

/* ========== Page Banner (inner pages) ========== */
.eeit-banner {
  background: var(--eeit-gradient);
  padding: 80px 0 36px;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.eeit-banner::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.eeit-banner h1 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 8px;
}

.eeit-banner p {
  font-size: 16px;
  opacity: 0.9;
}

/* ========== Breadcrumb ========== */
.eeit-breadcrumb {
  background: #fff;
  border-bottom: 1px solid var(--eeit-border);
  padding: 12px 0;
  font-size: 13px;
  color: var(--eeit-text-light);
}

.eeit-breadcrumb a {
  color: var(--eeit-accent);
  text-decoration: none;
}

.eeit-breadcrumb a:hover {
  text-decoration: underline;
}

.eeit-breadcrumb .separator {
  margin: 0 8px;
  color: var(--eeit-border);
}

/* ========== Section ========== */
.eeit-section {
  padding: 72px 0;
}

.eeit-section-alt {
  background: #fff;
}

.eeit-section-header {
  text-align: center;
  margin-bottom: 48px;
}

.eeit-section-subtitle {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--eeit-accent);
  margin-bottom: 8px;
}

.eeit-section-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--eeit-primary);
  margin-bottom: 16px;
}

.eeit-section-desc {
  font-size: 16px;
  color: var(--eeit-text-light);
  max-width: 680px;
  margin: 0 auto;
}

/* ========== Cards ========== */
.eeit-grid {
  display: grid;
  gap: 24px;
}

.eeit-grid-2 { grid-template-columns: repeat(2, 1fr); }
.eeit-grid-3 { grid-template-columns: repeat(3, 1fr); }
.eeit-grid-4 { grid-template-columns: repeat(4, 1fr); }

.eeit-card {
  background: var(--eeit-card);
  border-radius: var(--eeit-radius);
  padding: 28px;
  box-shadow: var(--eeit-shadow);
  transition: var(--eeit-transition);
  border: 1px solid var(--eeit-border);
}

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

.eeit-card-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--eeit-accent), var(--eeit-accent-light));
  border-radius: var(--eeit-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
  margin-bottom: 20px;
}

.eeit-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--eeit-primary);
  margin-bottom: 12px;
}

.eeit-card p {
  font-size: 14px;
  color: var(--eeit-text-light);
  line-height: 1.7;
}

/* ========== Feature Cards (reasons to attend) ========== */
.eeit-feature-card {
  text-align: center;
  padding: 32px 24px;
}

.eeit-feature-card .eeit-card-icon {
  margin: 0 auto 20px;
}

/* ========== Important Dates ========== */
.eeit-dates {
  background: linear-gradient(135deg, var(--eeit-primary) 0%, var(--eeit-primary-light) 100%);
  border-radius: var(--eeit-radius-lg);
  padding: 40px;
  color: #fff;
}

.eeit-dates h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.eeit-dates-list {
  display: grid;
  gap: 0;
}

.eeit-date-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.eeit-date-item:last-child {
  border-bottom: none;
}

.eeit-date-item .date-icon {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.eeit-date-item .date-label {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.9);
  flex: 1;
}

.eeit-date-item .date-value {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  background: rgba(255, 255, 255, 0.15);
  padding: 6px 16px;
  border-radius: 50px;
}

.eeit-date-item.highlight .date-value {
  background: #48bb78;
}

/* ========== Track Cards ========== */
.eeit-track-card {
  background: #fff;
  border-radius: var(--eeit-radius);
  padding: 28px;
  box-shadow: var(--eeit-shadow);
  border-top: 4px solid var(--eeit-accent);
  transition: var(--eeit-transition);
}

.eeit-track-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--eeit-shadow-lg);
}

.eeit-track-number {
  display: inline-block;
  width: 40px;
  height: 40px;
  background: var(--eeit-gradient);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin-bottom: 16px;
}

.eeit-track-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--eeit-primary);
  margin-bottom: 16px;
}

.eeit-track-card ul {
  list-style: none;
  padding: 0;
}

.eeit-track-card ul li {
  padding: 6px 0;
  font-size: 14px;
  color: var(--eeit-text);
  position: relative;
  padding-left: 20px;
}

.eeit-track-card ul li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--eeit-accent);
  font-weight: 700;
}

/* ========== Speaker Cards ========== */
.eeit-speaker-card {
  background: #fff;
  border-radius: var(--eeit-radius);
  overflow: hidden;
  box-shadow: var(--eeit-shadow);
  transition: var(--eeit-transition);
  text-align: center;
}

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

.eeit-speaker-photo {
  width: 100%;
  aspect-ratio: 1;
  background: var(--eeit-bg);
  overflow: hidden;
}

.eeit-speaker-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.eeit-speaker-info {
  padding: 20px;
}

.eeit-speaker-info h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--eeit-primary);
  margin-bottom: 4px;
}

.eeit-speaker-info p {
  font-size: 13px;
  color: var(--eeit-text-light);
}

.eeit-speaker-role {
  display: inline-block;
  background: var(--eeit-accent);
  color: #fff;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 12px;
}

/* ========== Info Boxes / Callouts ========== */
.eeit-callout {
  background: #ebf5ff;
  border-left: 4px solid var(--eeit-accent);
  padding: 20px 24px;
  border-radius: var(--eeit-radius-sm);
  margin: 24px 0;
}

.eeit-callout.warning {
  background: #fff8e1;
  border-left-color: var(--eeit-warning);
}

.eeit-callout.success {
  background: #e8f5e9;
  border-left-color: var(--eeit-success);
}

.eeit-callout strong {
  display: block;
  margin-bottom: 8px;
  color: var(--eeit-primary);
}

/* ========== Table ========== */
.eeit-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: var(--eeit-radius);
  overflow: hidden;
  box-shadow: var(--eeit-shadow);
}

.eeit-table th {
  background: var(--eeit-primary);
  color: #fff;
  padding: 16px 20px;
  text-align: left;
  font-weight: 600;
  font-size: 14px;
}

.eeit-table td {
  padding: 14px 20px;
  border-bottom: 1px solid var(--eeit-border);
  font-size: 14px;
}

.eeit-table tr:last-child td {
  border-bottom: none;
}

.eeit-table tr:hover td {
  background: var(--eeit-bg);
}

/* ========== Sidebar Layout ========== */
.eeit-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
}

.eeit-sidebar {
  position: sticky;
  top: 120px;
  align-self: start;
}

.eeit-sidebar-card {
  background: #fff;
  border-radius: var(--eeit-radius);
  padding: 24px;
  box-shadow: var(--eeit-shadow);
  margin-bottom: 24px;
}

.eeit-sidebar-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--eeit-primary);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--eeit-accent);
}

.eeit-sidebar-card ul {
  list-style: none;
  padding: 0;
}

.eeit-sidebar-card ul li {
  margin-bottom: 8px;
}

.eeit-sidebar-card ul li a {
  display: block;
  padding: 10px 14px;
  color: var(--eeit-text);
  text-decoration: none;
  border-radius: var(--eeit-radius-sm);
  font-size: 14px;
  transition: var(--eeit-transition);
}

.eeit-sidebar-card ul li a:hover,
.eeit-sidebar-card ul li a.active {
  background: var(--eeit-accent);
  color: #fff;
}

/* ========== Sponsors Section ========== */
.eeit-sponsors {
  background: #fff;
  padding: 60px 0;
  border-top: 1px solid var(--eeit-border);
  border-bottom: 1px solid var(--eeit-border);
}

.eeit-sponsors h3 {
  text-align: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--eeit-text-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 32px;
}

.eeit-sponsors-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 48px;
}

.eeit-sponsors-logos img {
  max-height: 80px;
  max-width: 220px;
  opacity: 1;
  transition: var(--eeit-transition);
}

.eeit-sponsors-logos img:hover {
  opacity: 1;
}

/* ========== Footer ========== */
.eeit-footer {
  background: var(--eeit-primary);
  color: rgba(255, 255, 255, 0.8);
  padding: 20px 0 0;
}

.eeit-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 24px;
  margin-bottom: 28px;
}

.eeit-footer h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 14px;
}

.eeit-footer p {
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 8px;
}

.eeit-footer a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--eeit-transition);
}

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

.eeit-footer-links {
  list-style: none;
  padding: 0;
}

.eeit-footer-links li {
  margin-bottom: 6px;
}

.eeit-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 16px 0;
  text-align: center;
  font-size: 13px;
}

/* ========== Countdown ========== */
.eeit-countdown {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin: 32px 0;
}

.eeit-countdown-item {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border-radius: var(--eeit-radius);
  padding: 16px 20px;
  text-align: center;
  min-width: 80px;
}

.eeit-countdown-value {
  font-size: 32px;
  font-weight: 700;
  color: #fff;
  line-height: 1;
}

.eeit-countdown-label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.8);
  text-transform: uppercase;
  margin-top: 4px;
}

/* ========== Upload / Action Buttons ========== */
.eeit-upload-zone {
  border: 2px dashed var(--eeit-border);
  border-radius: var(--eeit-radius);
  padding: 40px;
  text-align: center;
  transition: var(--eeit-transition);
  background: var(--eeit-bg);
}

.eeit-upload-zone:hover {
  border-color: var(--eeit-accent);
  background: #ebf5ff;
}

/* ========== Responsive ========== */
@media (max-width: 992px) {
  .eeit-nav-toggle {
    display: block;
  }

  .eeit-nav {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 16px;
    gap: 4px;
    box-shadow: var(--eeit-shadow-lg);
    transform: translateY(-120%);
    transition: var(--eeit-transition);
    max-height: calc(100vh - 80px);
    overflow-y: auto;
  }

  .eeit-nav.open {
    transform: translateY(0);
  }

  .eeit-nav a {
    width: 100%;
    text-align: left;
    padding: 12px 16px;
  }

  .eeit-nav .dropdown {
    width: 100%;
  }

  .eeit-nav .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
    box-shadow: none;
    padding-left: 16px;
  }

  .eeit-nav .dropdown.open .dropdown-menu {
    display: block;
  }

  .eeit-hero h1 {
    font-size: 36px;
  }

  .eeit-hero h2 {
    font-size: 18px;
  }

  .eeit-hero-meta {
    flex-direction: column;
    gap: 12px;
  }

  .eeit-grid-2,
  .eeit-grid-3,
  .eeit-grid-4 {
    grid-template-columns: 1fr;
  }

  .eeit-layout {
    grid-template-columns: 1fr;
  }

  .eeit-sidebar {
    position: static;
  }

  .eeit-footer-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .eeit-section {
    padding: 48px 0;
  }

  .eeit-banner {
    padding: 70px 0 28px;
  }

  .eeit-banner h1 {
    font-size: 28px;
  }

  .eeit-countdown {
    gap: 8px;
  }

  .eeit-countdown-item {
    padding: 12px 14px;
    min-width: 64px;
  }

  .eeit-countdown-value {
    font-size: 24px;
  }
}

@media (max-width: 576px) {
  .eeit-container {
    padding: 0 16px;
  }

  .eeit-hero h1 {
    font-size: 28px;
  }

  .eeit-hero-actions {
    flex-direction: column;
  }

  .eeit-btn {
    width: 100%;
    justify-content: center;
  }

  .eeit-dates {
    padding: 28px 20px;
  }

  .eeit-date-item {
    flex-wrap: wrap;
    gap: 8px;
  }

  .eeit-date-item .date-value {
    width: 100%;
    text-align: center;
  }
}

/* ========== Contact Cards ========== */
.eeit-contact-card {
  text-align: center;
  padding: 32px 24px;
}

.eeit-contact-card a {
  color: var(--eeit-accent);
  text-decoration: none;
  transition: var(--eeit-transition);
}

.eeit-contact-card a:hover {
  text-decoration: underline;
}

.eeit-contact-icon {
  width: 64px;
  height: 64px;
  background: var(--eeit-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: #fff;
  margin: 0 auto 20px;
}

/* ========== Contact Form ========== */
.eeit-contact-form {
  padding: 32px;
}

.eeit-form-group {
  margin-bottom: 20px;
}

.eeit-form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--eeit-primary);
  margin-bottom: 8px;
}

.eeit-form-input,
.eeit-form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--eeit-border);
  border-radius: var(--eeit-radius-sm);
  font-size: 14px;
  font-family: inherit;
  color: var(--eeit-text);
  background: #fff;
  transition: var(--eeit-transition);
  resize: vertical;
}

.eeit-form-input:focus,
.eeit-form-textarea:focus {
  outline: none;
  border-color: var(--eeit-accent);
  box-shadow: 0 0 0 3px rgba(0, 120, 212, 0.1);
}

.eeit-form-input::placeholder,
.eeit-form-textarea::placeholder {
  color: var(--eeit-text-light);
}

/* ========== Map Placeholder ========== */
.eeit-map-placeholder {
  background: linear-gradient(135deg, #ebf5ff 0%, #e1effe 100%);
  border-radius: var(--eeit-radius);
  padding: 40px 28px;
  text-align: center;
  border: 2px dashed var(--eeit-accent);
}

.eeit-map-icon {
  width: 72px;
  height: 72px;
  background: var(--eeit-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  color: #fff;
  margin: 0 auto 16px;
}

.eeit-map-placeholder h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--eeit-primary);
  margin-bottom: 8px;
}

.eeit-map-placeholder p {
  font-size: 14px;
  color: var(--eeit-text-light);
}

/* ========== News Cards ========== */
.eeit-news-card {
  padding: 28px;
  display: flex;
  flex-direction: column;
}

.eeit-news-date {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  background: var(--eeit-gradient);
  color: #fff;
  border-radius: var(--eeit-radius);
  margin-bottom: 16px;
  flex-shrink: 0;
}

.eeit-news-day {
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
}

.eeit-news-month {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  opacity: 0.9;
  margin-top: 2px;
}

.eeit-news-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 16px;
  width: fit-content;
}

.eeit-news-tag-active {
  background: #e8f5e9;
  color: #2e7d32;
}

.eeit-news-tag-deadline {
  background: #fff3e0;
  color: #e65100;
}

.eeit-news-tag-coming {
  background: #e3f2fd;
  color: #1565c0;
}

.eeit-news-tag-venue {
  background: #f3e5f5;
  color: #6a1b9a;
}

.eeit-news-tag-registration {
  background: #fff8e1;
  color: #f57f17;
}

.eeit-news-tag-program {
  background: #fce4ec;
  color: #c2185b;
}

.eeit-news-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--eeit-primary);
  margin-bottom: 10px;
}

.eeit-news-card p {
  font-size: 14px;
  color: var(--eeit-text-light);
  line-height: 1.7;
  flex: 1;
}

.eeit-news-read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  color: var(--eeit-accent);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--eeit-transition);
}

.eeit-news-read-more:hover {
  color: var(--eeit-primary);
  gap: 10px;
}

.eeit-news-read-more i {
  font-size: 12px;
  transition: transform 0.3s ease;
}

.eeit-news-card:hover .eeit-news-read-more i {
  transform: translateX(4px);
}

/* ========== Awards Page Styles ========== */
.eeit-award-card {
  background: #fff;
  border-radius: var(--eeit-radius);
  overflow: hidden;
  box-shadow: var(--eeit-shadow);
  transition: var(--eeit-transition);
  height: 100%;
  display: flex;
  flex-direction: column;
  border-top: 4px solid var(--eeit-accent);
}

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

.eeit-award-card.gold {
  border-top-color: #f0b429;
}

.eeit-award-card.silver {
  border-top-color: #a0aec0;
}

.eeit-award-card.bronze {
  border-top-color: #c05621;
}

.eeit-award-icon {
  width: 72px;
  height: 72px;
  margin: 24px auto 16px;
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: #d97706;
}

.eeit-award-card.gold .eeit-award-icon {
  background: linear-gradient(135deg, #fef3c7 0%, #fbbf24 100%);
  color: #b45309;
}

.eeit-award-card.silver .eeit-award-icon {
  background: linear-gradient(135deg, #f1f5f9 0%, #cbd5e0 100%);
  color: #475569;
}

.eeit-award-card.bronze .eeit-award-icon {
  background: linear-gradient(135deg, #fed7aa 0%, #fdba74 100%);
  color: #9a3412;
}

.eeit-award-body {
  padding: 0 28px 28px;
  text-align: center;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.eeit-award-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--eeit-primary);
  margin-bottom: 12px;
}

.eeit-award-body p {
  font-size: 14px;
  color: var(--eeit-text-light);
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}

.eeit-award-prize {
  display: inline-block;
  padding: 6px 16px;
  background: var(--eeit-bg);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--eeit-accent);
  margin-top: auto;
}

.eeit-award-card.gold .eeit-award-prize {
  background: #fef3c7;
  color: #92400e;
}

.eeit-award-card.silver .eeit-award-prize {
  background: #f1f5f9;
  color: #475569;
}

.eeit-award-card.bronze .eeit-award-prize {
  background: #fed7aa;
  color: #9a3412;
}

/* Award criteria steps */
.eeit-criteria-step {
  display: flex;
  gap: 20px;
  background: #fff;
  border-radius: var(--eeit-radius);
  padding: 24px;
  box-shadow: var(--eeit-shadow);
  margin-bottom: 16px;
  transition: var(--eeit-transition);
}

.eeit-criteria-step:hover {
  box-shadow: var(--eeit-shadow-lg);
  transform: translateX(4px);
}

.eeit-criteria-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: var(--eeit-gradient);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
}

.eeit-criteria-content h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--eeit-primary);
  margin-bottom: 6px;
}

.eeit-criteria-content p {
  font-size: 14px;
  color: var(--eeit-text-light);
  line-height: 1.7;
  margin: 0;
}

/* ========== Committee List Styles ========== */
.eeit-committee-section {
  margin-bottom: 48px;
}

.eeit-committee-section-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--eeit-primary);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--eeit-accent);
  display: flex;
  align-items: center;
  gap: 10px;
}

.eeit-committee-section-title i {
  color: var(--eeit-accent);
}

.eeit-committee-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 32px;
}

.eeit-committee-list li {
  padding: 10px 0;
  border-bottom: 1px dashed var(--eeit-border);
  font-size: 15px;
  color: var(--eeit-text);
  line-height: 1.6;
}

.eeit-committee-list li strong {
  color: var(--eeit-primary);
  font-weight: 600;
}

.eeit-committee-list li em {
  color: var(--eeit-text-light);
  font-style: normal;
  font-size: 14px;
}

/* Single column list for small sections */
.eeit-committee-list.single-column {
  grid-template-columns: 1fr;
}

/* Three column list */
.eeit-committee-list.three-column {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 992px) {
  .eeit-committee-list,
  .eeit-committee-list.three-column {
    grid-template-columns: 1fr;
  }
}

/* ========== Special Sessions Styles ========== */
.eeit-session-card {
  background: #fff;
  border-radius: var(--eeit-radius);
  padding: 28px;
  box-shadow: var(--eeit-shadow);
  border-left: 4px solid var(--eeit-accent);
  transition: var(--eeit-transition);
  height: 100%;
}

.eeit-session-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--eeit-shadow-lg);
}

.eeit-session-number {
  display: inline-block;
  width: 36px;
  height: 36px;
  background: var(--eeit-gradient);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 16px;
}

.eeit-session-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--eeit-primary);
  margin-bottom: 8px;
}

.eeit-session-card h4 {
  font-size: 14px;
  font-weight: 500;
  color: var(--eeit-accent);
  margin-bottom: 12px;
}

/* ========== History Timeline Styles ========== */
.eeit-history-card {
  background: #fff;
  border-radius: var(--eeit-radius);
  overflow: hidden;
  box-shadow: var(--eeit-shadow);
  transition: var(--eeit-transition);
  display: flex;
  flex-direction: column;
}

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

.eeit-history-header {
  background: var(--eeit-gradient);
  color: #fff;
  padding: 24px;
  text-align: center;
}

.eeit-history-year {
  font-size: 36px;
  font-weight: 800;
  line-height: 1;
}

.eeit-history-edition {
  font-size: 14px;
  opacity: 0.9;
  margin-top: 4px;
}

.eeit-history-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.eeit-history-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--eeit-primary);
  margin-bottom: 12px;
}

.eeit-history-info {
  list-style: none;
  padding: 0;
  margin: 0 0 20px 0;
}

.eeit-history-info li {
  padding: 6px 0;
  font-size: 14px;
  color: var(--eeit-text);
  display: flex;
  align-items: center;
  gap: 10px;
}

.eeit-history-info li i {
  color: var(--eeit-accent);
  width: 16px;
}

.eeit-history-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--eeit-border);
  color: var(--eeit-accent);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--eeit-transition);
}

.eeit-history-link:hover {
  color: var(--eeit-primary);
  gap: 10px;
}

/* ========== CFS Page Styles ========== */
.eeit-cfs-intro {
  background: linear-gradient(135deg, #ebf5ff 0%, #e1effe 100%);
  border-radius: var(--eeit-radius-lg);
  padding: 40px;
  margin-bottom: 48px;
}

.eeit-cfs-intro p {
  font-size: 16px;
  color: var(--eeit-text);
  line-height: 1.8;
  margin-bottom: 16px;
}

.eeit-cfs-intro p:last-child {
  margin-bottom: 0;
}

.eeit-cfs-guidelines {
  background: #fff;
  border-radius: var(--eeit-radius);
  padding: 32px;
  box-shadow: var(--eeit-shadow);
  margin-top: 32px;
}

.eeit-cfs-guidelines h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--eeit-primary);
  margin-bottom: 16px;
}

.eeit-cfs-guidelines ol {
  padding-left: 24px;
  margin-bottom: 16px;
}

.eeit-cfs-guidelines ol li {
  padding: 8px 0;
  font-size: 15px;
  color: var(--eeit-text);
  line-height: 1.7;
}

.eeit-cfs-guidelines p {
  font-size: 15px;
  color: var(--eeit-text-light);
  line-height: 1.8;
  margin-top: 16px;
}