:root {
  --white: #ffffff;
  --gold: #d0a242;
  --green: #00823f;
  --blue: #26286f;
  --dark-gray: #333333;
  --light-gray: #f9f9f9;
}
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
body { line-height: 1.6; background-color: var(--white); color: #333; }

/* Header and Navigation */
.branding { 
  max-width: 1200px; 
  margin: auto; 
  display: flex; 
  align-items: center; 
  justify-content: flex-start; 
  padding: 10px 20px; 
  gap: 20px;
}
.branding img {
  height: 70px;
}
.site-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--light-gray);
  line-height: 1.2;
}
header { 
  background: var(--white); 
  border-bottom: 2px solid var(--blue); 
  position: sticky;
  top: 0;
  z-index: 1000;
}
nav { max-width: 1200px; margin: auto; display: flex; align-items: center; justify-content: space-between; padding: 10px 20px; }
nav img { height: 50px; }
/* full-width colored nav row */
/* Minimal Navigation Design */
.nav-row { 
  background: var(--blue); 
  position: sticky;
  top: 80px;
  z-index: 999;
  padding: 0;
}
.nav-row nav {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  padding: 0;
}
.nav-row ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0;
}
.nav-row li {
  margin: 0;
  padding: 0;
  border: none;
}
.nav-row li a {
  color: var(--white);
  text-decoration: none;
  font-weight: 500;
  padding: 15px 30px;
  display: block;
  transition: all 0.3s ease;
  border-bottom: 3px solid transparent;
}
.nav-row li a:hover {
  background: rgba(255,255,255,0.1);
  border-bottom: 3px solid var(--gold);
}
.nav-row li a.active {
  background: rgba(255,255,255,0.15);
  border-bottom: 3px solid var(--gold);
}
.portal-btn {
  background: var(--gold);
  color: var(--blue);
  padding: 8px 16px;
  border-radius: 20px;
  font-weight: bold;
  text-decoration: none;
  transition: 0.3s;
}
.portal-btn:hover {
  background: var(--blue);
  color: var(--white);
}

.site-title {
  text-align: center;
  padding: 10px;
  font-size: 1.3rem;
  background: var(--blue);
  color: var(--gold);
  font-weight: bold;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--blue) 0%, var(--green) 100%);
  color: var(--white);
  height: 25vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 20px;
}
.hero h1 { color: var(--gold); font-size: 2.5rem; margin-bottom: 10px; }
.hero p { max-width: 700px; margin-bottom: 20px; }
.btn {
  background: var(--gold);
  color: var(--blue);
  padding: 10px 20px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: .3s;
  display: inline-block;
}
.btn:hover { background: var(--white); }

/* Innovation Week Announcement */
.innovation-week-announcement {
  background: linear-gradient(135deg, var(--gold) 0%, var(--green) 100%);
  color: var(--white);
  padding: 40px 20px;
  text-align: center;
}
.announcement-container {
  max-width: 800px;
  margin: 0 auto;
}
.innovation-week-announcement h2 {
  font-size: 2.2rem;
  margin-bottom: 15px;
  color: var(--white);
}
.innovation-week-announcement h3 {
  font-size: 1.4rem;
  margin-bottom: 20px;
  color: var(--white);
  font-weight: 400;
}
.innovation-week-announcement p {
  font-size: 1.1rem;
  margin-bottom: 25px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}
.cta-button {
  background: var(--blue);
  color: var(--white);
  padding: 12px 30px;
  border-radius: 25px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  display: inline-block;
  border: 2px solid var(--white);
}
.cta-button:hover {
  background: var(--white);
  color: var(--blue);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* Four columns */
.three-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  max-width: 1200px;
  margin: auto;
  padding: 50px 20px;
}
.three-columns div {
  background: var(--light-gray);
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 3px 8px rgba(0,0,0,0.1);
}
.three-columns h3 { margin-bottom: 15px; color: var(--blue); }
.three-columns img { max-width: 150px; border-radius: 8px; }

/* Service Standards */
.services {
  padding: 60px 20px;
  background: #f5f5f5;
  max-width: 1200px;
  margin: auto;
}
.services h2 { text-align: center; margin-bottom: 30px; color: var(--blue); }
/* programs grid */
.programs-grid { 
  display: grid; 
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); 
  gap: 20px; 
}
.program-card { 
  background: var(--white); 
  border: 1px solid #e5e5e5; 
  border-radius: 10px; 
  padding: 20px; 
  box-shadow: 0 3px 8px rgba(0,0,0,0.06);
}
.program-card h3 { color: var(--blue); margin-bottom: 10px; }
.program-card p { margin-bottom: 10px; }
.program-card a { font-weight: 600; color: var(--blue); }
.program-card .icon { 
  display: inline-flex;
  width: 1.25rem;
  height: 1.25rem;
  margin-right: 8px;
  vertical-align: -2px;
}
.program-card .icon svg { width: 100%; height: 100%; fill: currentColor; color: var(--gold); }

/* Adjust list separators and link colors when nav is on dark row */
.nav-row nav li { border-right: 1px solid rgba(255,255,255,0.3); }
.nav-row nav li:last-child { border-right: none; }

footer {
  background: var(--dark-gray);
  color: var(--white);
  text-align: center;
  padding: 20px;
  margin-top: 40px;
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .nav-row {
    position: relative;
    top: auto;
  }
  .nav-row nav {
    justify-content: center;
  }
  .nav-row ul {
    flex-direction: column;
    width: 100%;
    display: none;
  }
  .nav-row ul.active {
    display: flex;
  }
  .nav-row .menu-toggle {
    display: block;
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--white);
    cursor: pointer;
    font-size: 1.5rem;
  }
  .nav-row li {
    width: 100%;
    text-align: center;
  }
  .nav-row li a {
    padding: 15px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
  }
  .branding {
    flex-direction: column;
    text-align: center;
    gap: 10px;
  }
  .site-title {
    font-size: 0.9rem;
    text-align: center;
  }
}
@media (min-width: 769px) { 
  .nav-row .menu-toggle { display: none; }
}

/* Event Details Page */
.event-details {
  padding: 60px 20px;
  max-width: 1000px;
  margin: 0 auto;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
}
.event-details h2 {
  color: var(--blue);
  font-size: 2rem;
  margin-bottom: 25px;
  text-align: center;
}
.event-details p {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 30px;
  color: var(--dark-gray);
}
.event-highlights {
  background: var(--light-gray);
  padding: 30px;
  border-radius: 10px;
  margin-bottom: 30px;
  border-left: 4px solid var(--gold);
}
.event-highlights h3 {
  color: var(--blue);
  margin-bottom: 20px;
  font-size: 1.4rem;
}
.event-highlights ul {
  list-style: none;
  padding: 0;
}
.event-highlights li {
  padding: 10px 0;
  border-bottom: 1px solid #ddd;
  position: relative;
  padding-left: 30px;
}
.event-highlights li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: bold;
  font-size: 1.2rem;
}
.event-highlights li:last-child {
  border-bottom: none;
}
.event-info {
  background: var(--white);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}
.event-info h3 {
  color: var(--blue);
  margin-bottom: 20px;
  font-size: 1.4rem;
}
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}
.info-item {
  padding: 20px;
  background: var(--light-gray);
  border-radius: 8px;
  border-left: 4px solid var(--green);
}
.info-item strong {
  color: var(--blue);
  display: block;
  margin-bottom: 8px;
  font-size: 1.1rem;
}

/* Enhanced Hero Section */
.hero {
  background: linear-gradient(135deg, var(--blue) 0%, var(--green) 100%);
  color: var(--white);
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 60px 20px;
  position: relative;
  overflow: hidden;
}
.hero-content {
  max-width: 600px;
  z-index: 2;
}
.hero h1 {
  color: var(--gold);
  font-size: 3rem;
  margin-bottom: 20px;
  line-height: 1.2;
}
.hero-subtitle {
  font-size: 1.3rem;
  margin-bottom: 30px;
  opacity: 0.9;
}
.hero-dates {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}
.date-badge, .venue-badge {
  background: rgba(255,255,255,0.2);
  padding: 10px 20px;
  border-radius: 25px;
  font-weight: 500;
  backdrop-filter: blur(10px);
}
.hero-visual {
  position: relative;
  width: 300px;
  height: 300px;
}
.floating-elements {
  position: relative;
  width: 100%;
  height: 100%;
}
.element {
  position: absolute;
  font-size: 3rem;
  animation: float 6s ease-in-out infinite;
}
.element-1 { top: 20%; left: 20%; animation-delay: 0s; }
.element-2 { top: 10%; right: 20%; animation-delay: 1s; }
.element-3 { bottom: 20%; left: 10%; animation-delay: 2s; }
.element-4 { bottom: 10%; right: 10%; animation-delay: 3s; }
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

/* Key Themes Section */
.key-themes {
  padding: 80px 20px;
  background: var(--light-gray);
}
.key-themes h2 {
  text-align: center;
  color: var(--blue);
  font-size: 2.5rem;
  margin-bottom: 50px;
}
.themes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  max-width: 1000px;
  margin: 0 auto;
}
.theme-card {
  background: var(--white);
  padding: 40px 30px;
  border-radius: 15px;
  text-align: center;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.theme-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}
.theme-icon {
  font-size: 3rem;
  margin-bottom: 20px;
}
.theme-card h3 {
  color: var(--blue);
  margin-bottom: 15px;
  font-size: 1.3rem;
}
.theme-card p {
  color: var(--dark-gray);
  line-height: 1.6;
}

/* Participation Section */
.participation {
  padding: 80px 20px;
  background: var(--white);
}
.participation h2 {
  text-align: center;
  color: var(--blue);
  font-size: 2.5rem;
  margin-bottom: 50px;
}
.participants-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1000px;
  margin: 0 auto;
}
.participant-group {
  background: linear-gradient(135deg, var(--blue) 0%, var(--green) 100%);
  color: var(--white);
  padding: 30px;
  border-radius: 15px;
  text-align: center;
  transition: transform 0.3s ease;
}
.participant-group:hover {
  transform: scale(1.05);
}
.participant-group h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
}
.participant-group p {
  opacity: 0.9;
  line-height: 1.6;
}

/* Registration Section */
.registration {
  padding: 80px 20px;
  background: linear-gradient(135deg, var(--gold) 0%, var(--green) 100%);
  color: var(--white);
}
.registration-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}
.registration h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}
.registration p {
  font-size: 1.2rem;
  margin-bottom: 40px;
  opacity: 0.9;
}
.registration-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
}
.reg-option {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  padding: 30px;
  border-radius: 15px;
  border: 2px solid rgba(255,255,255,0.2);
  transition: transform 0.3s ease, background 0.3s ease;
}
.reg-option:hover {
  transform: translateY(-5px);
  background: rgba(255,255,255,0.2);
}
.reg-option h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
}
.reg-option .price {
  font-size: 2rem;
  font-weight: bold;
  color: var(--gold);
  margin-bottom: 10px;
}
.reg-btn {
  display: inline-block;
  background: var(--white);
  color: var(--blue);
  padding: 12px 25px;
  border-radius: 25px;
  text-decoration: none;
  font-weight: bold;
  margin-top: 15px;
  transition: all 0.3s ease;
}
.reg-btn:hover {
  background: var(--blue);
  color: var(--white);
  transform: scale(1.05);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero {
    flex-direction: column;
    text-align: center;
    min-height: auto;
    padding: 40px 20px;
  }
  .hero h1 {
    font-size: 2.2rem;
  }
  .hero-visual {
    margin-top: 40px;
    width: 250px;
    height: 250px;
  }
  .element {
    font-size: 2.5rem;
  }
  .hero-dates {
    justify-content: center;
  }
  .themes-grid,
  .participants-grid {
    grid-template-columns: 1fr;
  }
  .registration-options {
    grid-template-columns: 1fr;
  }
}