:root {
  /* Primary Colors - Based on palette */
  --color-primary: #C5A73C;
  --color-secondary: #004C8F;
  --color-accent: #5FCDDA;

  /* Background Colors */
  --color-bg: #F5F5F0;
  --color-surface: #004C8F;

  /* Text Colors */
  --color-text: #FFFFFF;
  --color-text-muted: #C5A73C;

  /* Border Colors */
  --color-border: #5FCDDA;

  /* New variables for smoothness */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
  --transition-slow: 0.5s ease;
  --shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 8px 24px rgba(0, 0, 0, 0.15);
  --border-radius: 12px;
}

/* Form field styles (applies to inputs & textareas) */
input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
  background-color: var(--color-bg);
  color: var(--color-secondary);
  border-radius: var(--border-radius);
  padding: 0.6rem 0.75rem;
  transition: all var(--transition-medium);
}

/* Placeholder text color */
input::placeholder,
textarea::placeholder {
  color: var(--color-primary);
  opacity: 0.8;
}

/* Focus effect */
input:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(95, 205, 218, 0.3);
  background-color: var(--color-surface);
  color: var(--color-text);
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  /* Account for fixed navbar */
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--color-bg);
  color: var(--color-secondary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Improved Navbar */
#main-nav {
  background-color: var(--color-surface);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
  transition: all var(--transition-medium);
}

#main-nav.scrolled {
  padding: 0.5rem 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* Brand */
.navbar-brand {
  color: var(--color-text);
  font-size: 1.5rem;
  text-decoration: none;
  transition: color var(--transition-medium);
  font-weight: 700;
}

.navbar-brand:hover {
  color: var(--color-primary);
  transform: translateY(-1px);
}

/* Links */
.nav-link {
  color: var(--color-text);
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition-medium);
  padding: 0.5rem 1rem !important;
  margin-left: 0.5rem;
  margin-right: 0.5rem;
  border-radius: var(--border-radius);
  position: relative;
}


.nav-link:hover,
.nav-link.active,
.nav-link:active {
  color: var(--color-surface);
  /* text color when active */
  background-color: var(--color-primary);
  /* gold background */
  transform: translateY(-1px);
}


/* .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: all var(--transition-medium);
  transform: translateX(-50%);
} */

.nav-link:hover::after,
.nav-link.active::after {
  width: 80%;
}

/* Navbar toggler */
.navbar-toggler {
  border: none;
  background-color: transparent;
  padding: 0.25rem;
  transition: transform var(--transition-medium);
}

.navbar-toggler:hover {
  transform: scale(1.1);
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 2px var(--color-primary);
}

/* Section Improvements */
.start-section,
.event-section {
  background-color: var(--color-surface);
  color: var(--color-text);
  padding: 8rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.start-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), transparent);
}

.start-section {
  background-color: #004b87;
  /* deep blue background (adjust as needed) */
  color: white;
  min-height: 90vh;
  /* gives the section breathing space */
  display: flex;
  align-items: center;
}

.highlight {
  color: #d6b34a;
  /* gold accent */
}

.esl-logo {
  max-height: 340px;
  /* make the image bigger */
  width: auto;
  object-fit: contain;
  margin: 0 auto;
}

.btn-primary-custom {
  background: linear-gradient(90deg, #d6b34a, #a1c4d9);
  border: none;
  color: #003366;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  transition: 0.3s;
}

.btn-primary-custom:hover {
  background: linear-gradient(90deg, #a1c4d9, #d6b34a);
  transform: scale(1.05);
}


.info-section {
  background-color: var(--color-bg);
  color: var(--color-secondary);
  padding: 5rem 0;
  position: relative;
}

.contact-section {
  background-color: var(--color-surface);
  color: var(--color-secondary);
  padding: 5rem 0;
  position: relative;
}

.footer-section {
  background-color: var(--color-surface);
  color: var(--color-text);
  padding: 3rem 0;
  position: relative;
}

.section-title {
  font-weight: 800;
  margin-bottom: 3rem;
  font-size: 2.5rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 60px;
  height: 4px;
  background: var(--color-primary);
  border-radius: 2px;
}

/* Typography Improvements */
.highlight {
  color: var(--color-primary);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
}

.lead {
  font-size: 1.2rem;
  line-height: 1.8;
  opacity: 0.9;
}

/* Button Improvements */
.btn-primary-custom {
  background: linear-gradient(135deg, var(--color-primary), #D4B645);
  color: var(--color-surface);
  border: none;
  padding: 1rem 2rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  transition: all var(--transition-medium);
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}

.btn-primary-custom:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
  color: var(--color-surface);
}

.btn-primary-custom::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-primary-custom:hover::before {
  left: 100%;
}

.btn-secondary-custom {
  background-color: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  padding: 0.875rem 1.75rem;
  border-radius: var(--border-radius);
  transition: all var(--transition-medium);
  font-weight: 600;
}

.btn-secondary-custom:hover {
  background-color: var(--color-primary);
  color: var(--color-surface);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

/* Card Improvements */
.card-custom {
  background-color: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 2rem;
  transition: all var(--transition-medium);
  box-shadow: var(--shadow-soft);
  height: 100%;
  position: relative;
  overflow: hidden;
}

.card-custom::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--color-primary);
  transform: scaleY(0);
  transition: transform var(--transition-medium);
}

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

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

.card-title {
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 1rem;
}

/* Form Improvements */
.form-control,
.form-select {
  background-color: var(--color-bg);
  color: var(--color-secondary);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  transition: all var(--transition-medium);
  font-size: 1rem;
}

.form-control::placeholder {
  color: var(--color-primary);
  opacity: 0.7;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(197, 167, 60, 0.1);
  background-color: var(--color-bg);
  color: var(--color-secondary);
}

/* Modal Improvements */
.custom-modal {
  background-color: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-medium);
}

.custom-modal .modal-header {
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-surface);
  color: var(--color-text);
  padding: 1.5rem 2rem;
}

.custom-modal .modal-body {
  background-color: var(--color-surface);
  color: var(--color-text);
  padding: 2rem;
}

.custom-modal .btn-close {
  filter: invert(1);
  transition: transform var(--transition-fast);
}

.custom-modal .btn-close:hover {
  transform: rotate(90deg);
}

/* Scroll to top button */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  color: var(--color-surface);
  background: var(--color-primary);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: var(--shadow-medium);
  transition: all var(--transition-medium);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  transform: translateY(-3px);
  background-color: var(--color-accent);
}

/* Loading animations */
.fade-in {
  animation: fadeIn 0.8s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

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

/* Image improvements */
.img-fluid {
  border-radius: var(--border-radius);
  transition: transform var(--transition-medium);
}

.img-fluid:hover {
  transform: scale(1.02);
}

/* Responsive improvements */
@media (max-width: 768px) {

  .start-section,
  .event-section {
    padding: 6rem 0 3rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .btn-primary-custom,
  .btn-secondary-custom {
    width: 100%;
    margin-bottom: 1rem;
  }
}

/* Focus improvements for accessibility */
*:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Selection color */
::selection {
  background-color: var(--color-primary);
  color: var(--color-surface);
}

/* Force visible text and consistent colors in form fields */
form input,
form textarea {
  background-color: var(--color-bg) !important;
  color: var(--color-secondary) !important;
  border: 1px solid var(--color-primary) !important;
  border-radius: var(--border-radius);
  padding: 0.6rem 0.75rem;
  transition: all var(--transition-medium);
}

/* Make placeholder visible */
form input::placeholder,
form textarea::placeholder {
  color: var(--color-primary) !important;
  opacity: 0.9;
}

/* When user focuses a field */
form input:focus,
form textarea:focus {
  /* background-color: var(--color-surface) !important; */
  color: var(--color-secondary) !important;
  border-color: var(--color-accent) !important;
  box-shadow: 0 0 0 3px rgba(95, 205, 218, 0.25);
  outline: none;
}