/* Poppins Font Family */
@font-face {
  font-family: 'Poppins';
  src: url('/fonts/poppins/poppins-regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Poppins';
  src: url('/fonts/poppins/poppins-medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Poppins';
  src: url('/fonts/poppins/poppins-semibold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Poppins';
  src: url('/fonts/poppins/poppins-bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* Playfair Display Font Family */
@font-face {
  font-family: 'Playfair Display';
  src: url('/fonts/playfair-display/playfair-display-semibold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Playfair Display';
  src: url('/fonts/playfair-display/playfair-display-bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --color-overlay: rgba(0, 0, 0, 0.5);
  --color-card-bg: rgba(255, 255, 255, 0.95);
  --color-text-primary: #1a1a1a;
  --color-text-secondary: #4a4a4a;
  --color-accent: #2d5016;
  --color-accent-light: #4a7a2a;
  --color-accent-dark: #1a3009;
  --color-link: #2d5016;
  --color-link-hover: #1a3009;
  --color-nav-bg: rgba(255, 255, 255, 0.95);
  --color-nav-hover: rgba(45, 80, 22, 0.08);
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --border-radius: 12px;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-nav: 0 2px 8px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.1);
}

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

html {
  font-size: 16px;
}

body {
  font-family: 'Poppins', 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  color: var(--color-text-primary);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Background Image */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('/img/brunswick-gazebo.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  z-index: -2;
}

/* Overlay for readability */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-overlay);
  z-index: -1;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: calc(3.5rem + var(--spacing-md)) var(--spacing-sm) var(--spacing-sm);
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .container {
    padding-top: calc(3.75rem + var(--spacing-md));
  }
}

/* Header Navigation */
.site-header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1000;
  border-bottom: 1px solid rgba(45, 80, 22, 0.15);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  padding: 0.75rem var(--spacing-lg);
  margin: 0;
}

.nav-container {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
}

.nav-brand {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.125rem;
  white-space: nowrap;
  transition: color 0.2s ease;
  letter-spacing: -0.02em;
  position: relative;
  flex-shrink: 0;
  font-family: 'Playfair Display', Georgia, serif;
}

.nav-brand:hover,
.nav-brand:focus {
  color: var(--color-link-hover);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  z-index: 10;
}

.hamburger-icon {
  display: block;
  width: 24px;
  height: 2px;
  position: relative;
  background-color: var(--color-accent);
  transition: all 0.3s ease;
  margin: 8px 0;
}

.hamburger-icon::before,
.hamburger-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-accent);
  transition: all 0.3s ease;
}

.hamburger-icon::before {
  top: -8px;
}

.hamburger-icon::after {
  top: 8px;
}

.nav-toggle-open .hamburger-icon {
  background-color: transparent;
}

.nav-toggle-open .hamburger-icon::before {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.nav-toggle-open .hamburger-icon::after {
  top: 50%;
  transform: translateY(-50%) rotate(-45deg);
}

.nav-logo {
  height: 50px;
  width: auto;
}

.nav-menu {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.25rem;
  justify-content: flex-end;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
}

.nav-menu a {
  display: block;
  padding: 0.5rem 0.875rem;
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
  border-radius: 6px;
  transition: all 0.2s ease;
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
  position: relative;
  white-space: nowrap;
}

.nav-menu a:hover,
.nav-menu a:focus {
  background-color: var(--color-nav-hover);
  color: var(--color-accent);
}

.nav-menu a.active {
  background-color: var(--color-accent);
  color: white;
  font-weight: 600;
}

/* Main Content Card */
.main-content {
  background: var(--color-card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-xl) var(--spacing-lg);
  margin: 0 auto var(--spacing-xl);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  animation: fadeInUp 0.6s ease;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Typography */
.subtitle {
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  font-style: italic;
  color: var(--color-text-secondary);
  text-align: center;
  margin-bottom: var(--spacing-sm);
  font-weight: 400;
  letter-spacing: 0.02em;
}

h1 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
  letter-spacing: -0.02em;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

h3 {
  font-family: 'Poppins', sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
  letter-spacing: 0.01em;
}

.date-label {
  font-family: 'Poppins', sans-serif;
  font-size: 1.125rem;
  font-weight: 600;
  text-align: center;
  color: var(--color-accent);
  margin-bottom: var(--spacing-lg);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.9;
}

.event-details {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  line-height: 1.4;
}

.event-details p {
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-primary);
  font-size: 1rem;
}

.event-details .date-time {
  font-weight: 600;
  font-size: 1.125rem;
  margin-bottom: var(--spacing-sm);
}

.event-details .location {
  margin-top: var(--spacing-sm);
}

.highlight {
  font-family: 'Poppins', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  text-align: center;
  color: var(--color-accent);
  margin: var(--spacing-lg) 0 var(--spacing-lg);
  letter-spacing: 0.02em;
}

/* Event Info Card */
.event-info-card {
  background: linear-gradient(135deg, rgba(45, 80, 22, 0.08) 0%, rgba(45, 80, 22, 0.03) 100%);
  border: 2px solid rgba(45, 80, 22, 0.2);
  border-radius: var(--border-radius);
  padding: var(--spacing-xl);
  margin: var(--spacing-xl) 0;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.event-info-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
}

.event-info-card__header {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.event-info-card__label {
  font-family: 'Poppins', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  opacity: 0.9;
}

.event-info-card__content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  align-items: center;
  text-align: center;
}

.event-info-card__date {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
}

.event-info-card__icon {
  font-size: 1.5rem;
  line-height: 1;
  opacity: 0.8;
}

.event-info-card__date-text {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.2;
}

.event-info-card__time {
  font-family: 'Poppins', sans-serif;
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-text-primary);
  margin-top: var(--spacing-xs);
}

.event-info-card__location {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
  max-width: 100%;
}

.event-info-card__location-details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  text-align: center;
}

.event-info-card__location-name {
  font-family: 'Poppins', sans-serif;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.4;
}

.event-info-card__location-address {
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
}

.event-info-card__admission {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(45, 80, 22, 0.15);
  width: 100%;
}

.event-info-card__admission-badge {
  display: inline-block;
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-accent);
  background: rgba(45, 80, 22, 0.1);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 6px;
  letter-spacing: 0.02em;
}

/* Section Divider */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(45, 80, 22, 0.2) 50%, transparent 100%);
  margin: var(--spacing-xl) auto;
  max-width: 200px;
}

/* Sponsor Acknowledgement */
.sponsor-acknowledgement {
  text-align: center;
  margin: var(--spacing-lg) 0;
  padding: 0 var(--spacing-sm);
}

.sponsor-acknowledgement p {
  font-family: 'Poppins', sans-serif;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  font-style: italic;
}

.sponsor-acknowledgement a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.sponsor-acknowledgement a:hover,
.sponsor-acknowledgement a:focus {
  color: var(--color-link-hover);
  text-decoration: underline;
}

/* Hero Taglines */
.hero-taglines {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  padding: 0 var(--spacing-sm);
}

.tagline-primary {
  font-family: 'Playfair Display', Georgia, serif;
  color: var(--color-accent);
  font-size: 1.375rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.01em;
  margin-bottom: var(--spacing-sm);
}

.tagline-secondary {
  font-family: 'Poppins', sans-serif;
  color: var(--color-text-secondary);
  font-size: 1.125rem;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.01em;
  margin-bottom: var(--spacing-md);
}

.description {
  font-family: 'Poppins', sans-serif;
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
  font-size: 1rem;
}

.call-to-action {
  font-family: 'Poppins', sans-serif;
  font-style: italic;
  text-align: center;
  color: var(--color-text-secondary);
  margin: var(--spacing-xl) 0 var(--spacing-md);
  font-size: 1rem;
  line-height: 1.6;
}

/* Poster Contest CTA */
.poster-contest-cta {
  text-align: center;
  margin: var(--spacing-xl) 0;
  padding: 0 var(--spacing-sm);
}

.poster-contest-cta > div {
  font-family: 'Poppins', sans-serif;
  font-size: 1.125rem;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

/* Info Sessions Section */
.info-sessions-section {
  margin: var(--spacing-xl) 0;
  padding: 0 var(--spacing-sm);
}

.info-sessions-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.info-sessions-graphic {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.info-sessions-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  max-width: 1000px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .info-sessions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Info Session Card */
.info-session-card {
  background: linear-gradient(135deg, rgba(45, 80, 22, 0.08) 0%, rgba(45, 80, 22, 0.03) 100%);
  border: 2px solid rgba(45, 80, 22, 0.2);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.info-session-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
}

.info-session-card__date {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.2;
  text-align: center;
}

.info-session-card__time {
  font-family: 'Poppins', sans-serif;
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-text-primary);
  text-align: center;
}

.info-session-card__format {
  text-align: center;
  margin: var(--spacing-xs) 0;
}

.info-session-card__format-badge {
  display: inline-block;
  font-family: 'Poppins', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 6px;
  letter-spacing: 0.02em;
}

.info-session-card__format-badge--in-person {
  background: rgba(45, 80, 22, 0.15);
  color: var(--color-accent);
}

.info-session-card__format-badge--zoom {
  background: rgba(2, 132, 199, 0.15);
  color: #0284c7;
}

.info-session-card__location {
  text-align: center;
  margin-top: var(--spacing-xs);
}

.info-session-card__location-name {
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.4;
}

.info-session-card__zoom-details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin: var(--spacing-sm) 0;
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.5);
  border-radius: 6px;
  border: 1px solid rgba(45, 80, 22, 0.1);
}

.info-session-card__zoom-credential {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  text-align: center;
}

.info-session-card__zoom-label {
  font-family: 'Poppins', sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.info-session-card__zoom-value {
  font-family: 'Courier New', 'Monaco', monospace;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  letter-spacing: 0.1em;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: rgba(255, 255, 255, 0.8);
  border-radius: 4px;
  border: 1px solid rgba(45, 80, 22, 0.15);
  user-select: all;
  cursor: text;
}

.info-session-card__action {
  margin-top: auto;
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(45, 80, 22, 0.15);
}

.info-session-card__action .btn-link {
  width: 100%;
  max-width: 300px;
}

/* Links */
.links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  align-items: center;
  margin-top: var(--spacing-lg);
  flex-wrap: wrap;
}

/* Button System - Base Class */
.btn-link {
  display: inline-flex;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-accent);
  color: white;
  text-decoration: none;
  border: none;
  border-radius: 6px;
  font-weight: 500;
  transition: background-color 0.3s ease, transform 0.2s ease;
  width: auto;
  min-width: auto;
  text-align: center;
  font-size: 1rem;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.btn-link:hover,
.btn-link:focus {
  background-color: var(--color-link-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-link:active {
  transform: translateY(0);
}

/* Button Modifiers */
.btn-link--primary {
  background-color: var(--color-accent);
}

.btn-link--primary:hover,
.btn-link--primary:focus {
  background-color: var(--color-link-hover);
}

.btn-link--poster-contest {
  font-size: 1.25rem;
  font-weight: 600;
  padding: var(--spacing-md) var(--spacing-lg);
  min-height: 56px;
  box-shadow: 0 4px 12px rgba(45, 80, 22, 0.3);
  letter-spacing: 0.02em;
}

.btn-link--poster-contest:hover,
.btn-link--poster-contest:focus {
  box-shadow: 0 6px 16px rgba(45, 80, 22, 0.4);
  transform: translateY(-3px);
}

.btn-link--secondary {
  background-color: var(--color-text-secondary);
}

.btn-link--secondary:hover,
.btn-link--secondary:focus {
  background-color: var(--color-text-primary);
}

.btn-link--paypal {
  background-color: #0070ba;
}

.btn-link--paypal:hover,
.btn-link--paypal:focus {
  background-color: #005a9a;
}

/* Footer */
.footer {
  background: linear-gradient(180deg, #2d5016 0%, #23410f 100%);
  color: #ffffff;
  margin-top: var(--spacing-xl);
  border-top: 3px solid rgba(255, 255, 255, 0.1);
}

.footer .container {
  padding: var(--spacing-xl) var(--spacing-sm);
  max-width: 900px;
}

.footer-brand {
  text-align: center;
  margin-bottom: var(--spacing-md);
}

.footer-logo {
  height: 56px;
  width: auto;
  filter: brightness(0) invert(1) contrast(1.1);
  opacity: 0.95;
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.footer-intro {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.95);
  text-align: center;
  font-weight: 400;
  letter-spacing: 0.01em;
}

.footer-intro .organization-name {
  font-size: 1.125rem;
  font-weight: 600;
  color: #ffffff;
  letter-spacing: 0.02em;
  font-style: normal;
}

.footer-intro .founders {
  display: block;
  margin-top: 0.25em;
  font-style: italic;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.85);
  font-size: 1rem;
}

.footer-info {
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
  text-align: center;
  margin-top: var(--spacing-sm);
  font-weight: 300;
}

.footer-link {
  text-align: center;
  margin-top: var(--spacing-sm);
}

.footer-link a {
  color: #ffffff;
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 6px;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(5px);
}

.footer-link a:hover,
.footer-link a:focus {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.6);
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.footer-link a:active {
  transform: translateY(0);
}

.footer-meta {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-version {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  margin: 0 0 var(--spacing-xs) 0;
  font-weight: 400;
}

.footer-copyright {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
  font-weight: 400;
}

.footer-privacy {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  margin: var(--spacing-xs) 0 0 0;
  font-weight: 400;
}

.footer-privacy a {
  color: #ffffff;
  text-decoration: underline;
  transition: color 0.3s ease;
}

.footer-privacy a:hover,
.footer-privacy a:focus {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: underline;
}

/* Content sections */
.content-section {
  margin-bottom: var(--spacing-lg);
}

.content-section p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
  line-height: 1.7;
  font-family: 'Poppins', sans-serif;
}

.content-section ul,
.content-section ol {
  margin-left: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.content-section li {
  margin-bottom: var(--spacing-xs);
  line-height: 1.7;
}

/* Responsive Design */
@media (min-width: 768px) {
  html {
    font-size: 17px;
  }

  .container {
    padding: calc(3.75rem + var(--spacing-md)) var(--spacing-md) var(--spacing-md);
  }

  .site-header {
    padding: 0.875rem var(--spacing-lg);
  }

  .nav-container {
    flex-direction: row;
    justify-content: space-between;
  }

  .nav-toggle {
    display: none;
  }

  .nav-menu {
    display: flex;
    gap: 0.375rem;
    flex-wrap: nowrap;
  }

  .nav-menu a {
    font-size: 0.9375rem;
    padding: 0.5rem 0.875rem;
  }

  .main-content {
    padding: var(--spacing-xl) var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
  }

  h1 {
    font-size: 2rem;
    line-height: 1.1;
  }

  h2 {
    font-size: 2rem;
  }

  h3 {
    font-size: 1.75rem;
  }

  .subtitle {
    font-size: 0.95rem;
    margin-bottom: var(--spacing-xs);
  }

  .date-label {
    font-size: 1.25rem;
  }

  .event-details {
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
  }

  .event-details .date-time {
    font-size: 1.0625rem;
  }

  .event-details .location {
    font-size: 0.9rem;
  }

  .highlight {
    font-size: 1.0625rem;
    margin-top: var(--spacing-sm);
  }

  .event-info-card {
    padding: var(--spacing-xl) var(--spacing-lg);
    margin: var(--spacing-xl) auto;
    max-width: 700px;
  }

  .event-info-card__date-text {
    font-size: 1.875rem;
  }

  .event-info-card__time {
    font-size: 1.1875rem;
  }

  .event-info-card__location-name {
    font-size: 1.1875rem;
  }

  .event-info-card__location-address {
    font-size: 1.0625rem;
  }

  .tagline-primary { 
    font-size: 1.25rem;
    line-height: 1.2;
    white-space: nowrap;
  }
  .tagline-secondary { 
    font-size: 1rem;
    line-height: 1.3;
  }

  .description {
    font-size: 1.0625rem;
  }

  .poster-contest-box {
    padding: var(--spacing-xl);
  }

  .poster-contest-box .contest-heading {
    font-size: 1.5rem;
  }

  .poster-contest-box .contest-content {
    font-size: 1.125rem;
  }

  .poster-contest-box .contest-content .date {
    font-size: 1.25rem;
  }

  .links {
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
  }

  .footer-logo {
    height: 72px;
  }

  .footer-intro {
    font-size: 1.125rem;
  }

  .footer-intro .organization-name {
    font-size: 1.25rem;
  }

  .footer-info {
    font-size: 1.0625rem;
  }

  .footer-link a {
    font-size: 1.375rem;
  }
}

@media (min-width: 1024px) {
  html {
    font-size: 18px;
  }

  .container {
    padding: calc(3.75rem + var(--spacing-lg)) var(--spacing-lg) var(--spacing-lg);
  }

  .site-header {
    padding: 0.875rem var(--spacing-lg);
  }

  .nav-menu {
    gap: 0.5rem;
  }

  .nav-menu a {
    font-size: 0.9375rem;
    padding: 0.5rem 1rem;
  }

  .main-content {
    padding: var(--spacing-xl) var(--spacing-xl);
  }

  h1 {
    font-size: 2.25rem;
    line-height: 1.1;
  }

  h2 {
    font-size: 2.5rem;
  }

  h3 {
    font-size: 2rem;
  }

  .subtitle {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
  }

  .date-label {
    font-size: 1.375rem;
  }

  .event-details {
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
  }

  .event-details .date-time {
    font-size: 1.125rem;
  }

  .highlight {
    font-size: 1.125rem;
    margin-top: var(--spacing-sm);
  }

  .event-info-card {
    padding: var(--spacing-xl) var(--spacing-xl);
    max-width: 750px;
  }

  .event-info-card__date-text {
    font-size: 2rem;
  }

  .event-info-card__time {
    font-size: 1.25rem;
  }

  .event-info-card__location-name {
    font-size: 1.25rem;
  }

  .event-info-card__location-address {
    font-size: 1.125rem;
  }

  .tagline-primary { 
    font-size: 1.375rem;
    line-height: 1.2;
    white-space: nowrap;
  }
  .tagline-secondary { 
    font-size: 1.125rem;
    line-height: 1.3;
  }

  .description {
    font-size: 1.125rem;
  }

  .poster-contest-box {
    padding: var(--spacing-xl) var(--spacing-xl);
  }

  .poster-contest-box .contest-heading {
    font-size: 1.625rem;
  }

  .poster-contest-box .contest-content {
    font-size: 1.1875rem;
  }

  .poster-contest-box .contest-content .date {
    font-size: 1.375rem;
  }

  .footer-logo {
    height: 88px;
  }

  .footer-intro {
    font-size: 1.1875rem;
  }

  .footer-intro .organization-name {
    font-size: 1.375rem;
  }

  .footer-info {
    font-size: 1.125rem;
  }

  .footer-link a {
    font-size: 1.5rem;
  }
}

/* Mobile specific adjustments */
@media (max-width: 767px) {
  body::before {
    background-attachment: scroll;
  }

  .site-header {
    padding: 0.75rem var(--spacing-md);
  }

  .nav-container {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .nav-brand {
    font-size: 1rem;
  }

  .nav-toggle {
    display: block;
    min-width: 44px;
    min-height: 44px;
    padding: 0.5rem;
  }

  .nav-menu {
    display: none;
    position: fixed;
    top: 3.5rem;
    left: 0;
    right: 0;
    flex-direction: column;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: var(--spacing-sm) var(--spacing-md);
    border-top: 1px solid rgba(45, 80, 22, 0.15);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    gap: 0.25rem;
    max-height: calc(100vh - 3.5rem);
    overflow-y: auto;
    animation: slideDown 0.3s ease;
    z-index: 999;
  }

  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  /* Mobile menu backdrop overlay */
  .nav-menu.nav-menu-open::before {
    content: '';
    position: fixed;
    top: 3.5rem;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    z-index: -1;
    animation: fadeIn 0.3s ease;
  }

  @keyframes fadeIn {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
  }

  .nav-menu.nav-menu-open {
    display: flex;
  }

  .nav-menu li {
    width: 100%;
  }

  .nav-menu a {
    width: 100%;
    padding: 0.875rem var(--spacing-md);
    text-align: left;
    font-size: 1rem;
    min-height: 44px;
    display: flex;
    align-items: center;
    border-radius: 6px;
  }

  .main-content {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
  }

  h1 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
  }

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  .subtitle {
    margin-bottom: var(--spacing-xs);
  }

  .poster-contest-cta {
    margin: var(--spacing-lg) 0;
    padding: 0;
  }

  .poster-contest-cta > div {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
  }

  .info-sessions-section {
    margin: var(--spacing-lg) 0;
    padding: 0;
  }

  .info-sessions-header {
    margin-bottom: var(--spacing-lg);
  }

  .info-sessions-grid {
    gap: var(--spacing-md);
  }

  .info-session-card {
    padding: var(--spacing-md);
  }

  .info-session-card__date {
    font-size: 1.25rem;
  }

  .info-session-card__time {
    font-size: 1rem;
  }

  .info-session-card__zoom-value {
    font-size: 1rem;
  }

  .btn-link--poster-contest {
    font-size: 1.125rem;
    padding: var(--spacing-sm) var(--spacing-md);
    min-height: 48px;
    width: 100%;
    max-width: 100%;
  }

  .hero-taglines {
    margin-bottom: var(--spacing-lg);
  }

  .tagline-primary {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
  }

  .tagline-secondary {
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
  }

  .date-label {
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
  }

  .event-details {
    margin-bottom: var(--spacing-xs);
  }

  .event-details .date-time {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
  }

  .event-details .location {
    font-size: 0.9rem;
    margin-top: var(--spacing-xs);
  }

  .highlight {
    margin: var(--spacing-xs) 0 var(--spacing-sm);
    font-size: 1rem;
  }

  .event-info-card {
    padding: var(--spacing-lg) var(--spacing-md);
    margin: var(--spacing-lg) 0;
  }

  .event-info-card__date-text {
    font-size: 1.5rem;
  }

  .event-info-card__time {
    font-size: 1rem;
  }

  .event-info-card__location {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .event-info-card__location-details {
    text-align: center;
    align-items: center;
  }

  .event-info-card__location-name {
    font-size: 1rem;
  }

  .event-info-card__location-address {
    font-size: 0.9375rem;
  }

  .event-info-card__admission-badge {
    font-size: 0.9375rem;
    padding: var(--spacing-xs) var(--spacing-sm);
  }

  .section-divider {
    margin: var(--spacing-lg) auto;
  }

  .footer-intro {
    font-size: 1rem;
  }

  .footer-intro .organization-name {
    font-size: 1.125rem;
  }

  .footer-link a {
    font-size: 1.125rem;
    padding: var(--spacing-xs) var(--spacing-sm);
  }

  /* Stack activities table on mobile */
  .activities-table {
    display: flex;
    flex-direction: column;
  }

  .activities-table thead,
  .activities-table tbody {
    display: contents;
  }

  .activities-table tr {
    display: contents;
  }

  .activities-table th,
  .activities-table td {
    display: block;
    width: 100%;
    box-sizing: border-box;
  }

  /* Pair first header with first data cell */
  .activities-table thead tr th:first-child {
    order: 1;
  }

  .activities-table tbody tr td:first-child {
    order: 2;
  }

  /* Pair second header with second data cell */
  .activities-table thead tr th:last-child {
    order: 3;
  }

  .activities-table tbody tr td:last-child {
    order: 4;
  }

  .activities-table th {
    border-bottom: none;
    margin-bottom: var(--spacing-xs);
    background-color: var(--color-accent);
    color: #ffffff;
  }

  .activities-table td {
    border-top: none;
    margin-bottom: var(--spacing-md);
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.text-center-mt-md {
  text-align: center;
  margin-top: var(--spacing-md);
}

.page-title {
  text-align: center;
  font-size: 2rem;
  font-weight: bold;
  color: var(--color-accent);
  margin: var(--spacing-xs) 0;
}

.page-subtitle {
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

.note-text {
  margin-top: var(--spacing-sm);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --color-overlay: rgba(0, 0, 0, 0.7);
    --color-card-bg: rgba(255, 255, 255, 1);
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Sponsorship Cards */
.sponsorship-levels {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-md);
}

.sponsorship-card {
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(45, 80, 22, 0.2);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.sponsorship-card h3,
.sponsorship-card h4 {
  margin-top: 0;
  margin-bottom: var(--spacing-sm);
  color: var(--color-accent);
}

.sponsorship-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.sponsorship-description {
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

.sponsorship-benefits {
  list-style: none;
  margin-left: 0;
  margin-bottom: var(--spacing-md);
  padding-left: 0;
}

.sponsorship-benefits li {
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: var(--spacing-xs);
  line-height: 1.6;
}

.sponsorship-benefits li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: bold;
}

.sponsorship-actions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-md);
  align-items: center;
}

.payment-note {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  font-style: italic;
  margin-top: var(--spacing-sm);
  text-align: center;
}

.business-sponsorship-intro {
  background: rgba(45, 80, 22, 0.05);
  border-left: 4px solid var(--color-accent);
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
  border-radius: 4px;
}

.business-sponsorship-intro ul {
  margin-top: var(--spacing-sm);
}

.sponsorship-subsection {
  margin-top: var(--spacing-lg);
}

.sponsorship-subsection h3 {
  margin-bottom: var(--spacing-sm);
}

/* Modal Dialogs */
/* Modal container - hidden by default */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  margin: 0;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(2px);
}

.modal-content {
  position: relative;
  background: var(--color-card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  z-index: 1001;
  animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .modal-content {
    animation: none;
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  border-bottom: 1px solid rgba(45, 80, 22, 0.2);
  flex-shrink: 0;
}

.modal-header h2 {
  margin: 0;
  font-size: 1.5rem;
}

.modal-close {
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: background-color 0.2s ease, color 0.2s ease;
  line-height: 1;
}

.modal-close:hover,
.modal-close:focus {
  background-color: rgba(45, 80, 22, 0.1);
  color: var(--color-accent);
}

.modal-body {
  padding: var(--spacing-lg);
  flex: 1;
  overflow-y: auto;
}

.modal-body p {
  margin-bottom: var(--spacing-sm);
}

.modal-body ul {
  margin-bottom: var(--spacing-md);
}

/* Benefits Table */
.benefits-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--spacing-md);
}

.benefits-table th {
  background: var(--color-accent);
  color: white;
  padding: var(--spacing-sm);
  text-align: left;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.benefits-table td {
  padding: var(--spacing-sm);
  border: 1px solid rgba(45, 80, 22, 0.2);
  text-align: center;
}

.benefits-table td:first-child {
  text-align: left;
  font-weight: 500;
}

.benefits-table tbody tr:nth-child(even) {
  background: rgba(45, 80, 22, 0.05);
}

.benefits-table td:not(:first-child) {
  color: var(--color-accent);
  font-weight: 600;
}

/* Responsive adjustments for sponsorship cards and modals */
@media (min-width: 768px) {
  .sponsorship-levels {
    grid-template-columns: repeat(2, 1fr);
  }

  .sponsorship-actions {
    align-items: center;
  }

  .modal-content {
    max-width: 900px;
  }
}

@media (min-width: 1024px) {
  .sponsorship-levels {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 767px) {
  .modal-content {
    max-height: 95vh;
    margin: var(--spacing-sm);
  }

  .modal-header {
    padding: var(--spacing-md);
  }

  .modal-header h2 {
    font-size: 1.25rem;
  }

  .modal-body {
    padding: var(--spacing-md);
  }

  .benefits-table {
    font-size: 0.9rem;
  }

  .benefits-table th,
  .benefits-table td {
    padding: var(--spacing-xs);
  }
}

/* Mailing List Form */
.mailing-list-form-container {
  font-family: 'Poppins', sans-serif;
  max-width: 800px;
  margin: var(--spacing-xl) auto;
  text-align: center;
  padding: 0 var(--spacing-sm);
}

.mailing-list-title {
  font-size: 1.5em;
  font-weight: bold;
  margin-bottom: 12px;
}

.mailing-list-privacy {
  font-size: 0.875em;
  margin-top: 8px;
  color: #666;
}

.mailing-list-form-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  max-width: 600px;
  margin: 0 auto;
}

.mailing-list-input {
  padding: 10px;
  font-size: 16px;
  border: 1px solid #ccc;
  border-radius: 4px;
  flex-grow: 1;
  min-width: 200px;
  font-family: 'Poppins', sans-serif;
}

.mailing-list-button {
  background-color: #8B1C1C;
  color: white;
  border: none;
  padding: 10px 20px;
  font-size: 16px;
  font-weight: bold;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s;
  font-family: 'Poppins', sans-serif;
  min-height: 44px;
  white-space: nowrap;
}

.mailing-list-button:hover,
.mailing-list-button:focus {
  background-color: #681212;
}

.mailing-list-button:active {
  transform: translateY(1px);
}

.mailing-list-success {
  display: none;
  color: #1b4d1b;
  font-weight: bold;
  padding: 10px 0;
  margin-top: var(--spacing-sm);
}

/* Responsive adjustments for mailing list form */
@media (max-width: 767px) {
  .mailing-list-form-container {
    max-width: 100%;
    margin: var(--spacing-md) auto;
  }

  .mailing-list-form-row {
    flex-direction: column;
  }

  .mailing-list-input {
    min-width: 100%;
    width: 100%;
  }

  .mailing-list-button {
    width: 100%;
  }
}