/* ==========================================================================
   IEEE Photonics AI 2028 - Standalone Pure CSS
   Color Palette, Typography, Responsive Layout, Animations & Modals
   ========================================================================== */

:root {
  --primary-blue: #2563eb;
  --primary-blue-hover: #1d4ed8;
  --primary-navy: #0b1b3d;
  --primary-dark: #061329;
  --footer-dark: #040e1f;
  --bg-hero: linear-gradient(135deg, #edf4ff 0%, #f4f8ff 50%, #fafcff 100%);
  --bg-light: #f8fafc;
  --bg-card: #ffffff;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --border-light: #e2e8f0;
  --border-blue: #dbeafe;
  --border-navy: rgba(30, 58, 138, 0.4);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  --font-sans: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: #ffffff;
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background-color: var(--primary-blue);
  color: #ffffff;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 7px;
  height: 7px;
}
::-webkit-scrollbar-track {
  background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 80rem; /* 1280px */
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 640px) {
  .container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--primary-blue);
  background-color: #eff6ff;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid #dbeafe;
}

.section-tag.dark {
  background-color: rgba(30, 58, 138, 0.6);
  color: #93c5fd;
  border-color: rgba(59, 130, 246, 0.5);
}

.section-title {
  font-size: 1.875rem;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: -0.025em;
  line-height: 1.25;
}

@media (min-width: 640px) {
  .section-title {
    font-size: 2.25rem;
  }
}

.section-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
}

@media (min-width: 640px) {
  .section-desc {
    font-size: 1rem;
  }
}

/* ==========================================================================
   HEADER & NAVBAR
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--primary-navy);
  border-bottom: 1px solid rgba(30, 58, 138, 0.4);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 5rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo img {
  height: 2.5rem;
  width: auto;
  object-fit: contain;
}

.brand-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.brand-name {
  color: #ffffff;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.025em;
  line-height: 1.2;
  transition: color 0.15s ease;
}

.brand-logo:hover .brand-name {
  color: #93c5fd;
}

.brand-tagline {
  font-size: 0.625rem;
  letter-spacing: 0.05em;
  color: #cbd5e1;
  font-weight: 500;
  text-transform: uppercase;
}

/* Desktop Navigation */
.nav-links-desktop {
  display: none;
  align-items: center;
  gap: 1.5rem;
}

@media (min-width: 1024px) {
  .nav-links-desktop {
    display: flex;
  }
}

.nav-link {
  color: #e2e8f0;
  font-size: 0.75rem;
  font-weight: 600;
  transition: color 0.15s ease;
  padding: 0.5rem 0;
}

.nav-link:hover {
  color: #ffffff;
}

/* More Dropdown */
.dropdown-wrapper {
  position: relative;
}

.dropdown-trigger {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  background: transparent;
  border: none;
  color: #e2e8f0;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.5rem 0;
}

.dropdown-trigger:hover {
  color: #ffffff;
}

.dropdown-chevron {
  width: 0.875rem;
  height: 0.875rem;
  transition: transform 0.2s ease;
}

.dropdown-wrapper.open .dropdown-chevron {
  transform: rotate(180deg);
}

.dropdown-menu {
  display: none;
  position: absolute;
  right: 0;
  top: 100%;
  margin-top: 0.25rem;
  width: 13rem;
  background-color: var(--primary-navy);
  border: 1px solid rgba(30, 58, 138, 0.6);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  padding: 0.5rem 0;
  z-index: 50;
  animation: fadeIn 0.15s ease-out;
}

.dropdown-wrapper.open .dropdown-menu {
  display: block;
}

.dropdown-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: #e2e8f0;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.dropdown-item:hover {
  background-color: rgba(30, 58, 138, 0.4);
  color: #ffffff;
}

/* Mobile Hamburger */
.mobile-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: #cbd5e1;
  padding: 0.5rem;
  cursor: pointer;
  border-radius: var(--radius-md);
}

@media (min-width: 1024px) {
  .mobile-menu-toggle {
    display: none;
  }
}

.mobile-menu-toggle:hover {
  color: #ffffff;
}

.mobile-drawer {
  display: none;
  background-color: var(--primary-navy);
  border-top: 1px solid rgba(30, 58, 138, 0.4);
  padding: 0.75rem 1rem 1.5rem;
}

.mobile-drawer.open {
  display: block;
}

.mobile-drawer .nav-link {
  display: block;
  font-size: 0.875rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
}

.mobile-drawer .nav-link:hover {
  background-color: rgba(30, 58, 138, 0.3);
}

.mobile-more-section {
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(30, 58, 138, 0.4);
}

.mobile-more-title {
  display: block;
  font-size: 0.625rem;
  font-weight: 700;
  color: #60a5fa;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0 0.75rem 0.25rem;
}

.mobile-drawer .dropdown-item {
  font-size: 0.75rem;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-md);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  padding-top: 2.5rem;
  padding-bottom: 3.5rem;
  background: var(--bg-hero);
  border-bottom: 1px solid rgba(219, 234, 254, 0.8);
  overflow: hidden;
}

@media (min-width: 1024px) {
  .hero-section {
    padding-top: 4rem;
    padding-bottom: 7rem;
  }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 5fr 7fr;
    gap: 1.5rem;
  }
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  z-index: 10;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--primary-blue);
  text-transform: uppercase;
}

@media (min-width: 640px) {
  .hero-tag {
    font-size: 0.875rem;
  }
}

.hero-tag .dot {
  color: #60a5fa;
  font-weight: 700;
}

.hero-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: -0.025em;
  line-height: 1.1;
}

@media (min-width: 640px) {
  .hero-title {
    font-size: 3rem;
  }
}

@media (min-width: 1024px) {
  .hero-title {
    font-size: 3.75rem;
  }
}

.hero-title .highlight {
  color: var(--primary-blue);
}

.hero-subtitle {
  font-size: 1.125rem;
  font-weight: 500;
  font-style: italic;
  color: #475569;
}

@media (min-width: 640px) {
  .hero-subtitle {
    font-size: 1.25rem;
  }
}

.hero-info-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: #334155;
  padding-top: 0.25rem;
}

@media (min-width: 640px) {
  .hero-info-strip {
    gap: 1rem;
    font-size: 1rem;
  }
}

.hero-info-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-info-item svg {
  width: 1rem;
  height: 1rem;
  color: var(--primary-blue);
  flex-shrink: 0;
}

.hero-info-divider {
  display: none;
  color: #cbd5e1;
}

@media (min-width: 640px) {
  .hero-info-divider {
    display: inline;
  }
}

.hero-college-link {
  font-weight: 700;
  color: #1e293b;
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: rgba(96, 165, 250, 0.5);
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}

.hero-college-link:hover {
  color: var(--primary-blue);
  text-decoration-color: var(--primary-blue);
}

.hero-dept-subtext {
  display: block;
  font-size: 0.75rem;
  color: #64748b;
  font-weight: 500;
}

/* Countdown */
.countdown-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  max-width: 28rem;
  padding-top: 0.25rem;
}

.countdown-card {
  background-color: #ffffff;
  border-radius: var(--radius-xl);
  padding: 0.875rem;
  text-align: center;
  border: 1px solid rgba(191, 219, 254, 0.8);
  box-shadow: var(--shadow-sm);
}

.countdown-number {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: #0f172a;
  line-height: 1;
  letter-spacing: -0.025em;
}

@media (min-width: 640px) {
  .countdown-number {
    font-size: 1.875rem;
  }
}

@media (min-width: 1024px) {
  .countdown-number {
    font-size: 2.25rem;
  }
}

.countdown-number.blue {
  color: var(--primary-blue);
}

.countdown-label {
  display: block;
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #94a3b8;
  margin-top: 0.5rem;
}

@media (min-width: 640px) {
  .countdown-label {
    font-size: 0.75rem;
  }
}

/* Hero Image Right */
.hero-image-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1.5rem;
  pointer-events: none;
}

@media (min-width: 1024px) {
  .hero-image-wrapper {
    margin-top: 0;
    justify-content: flex-end;
  }
}

.hero-figure {
  width: 100%;
}

@media (min-width: 1024px) {
  .hero-figure {
    width: 130%;
    margin-right: -5rem;
    transform: scale(1.15);
    transform-origin: right center;
  }
}

@media (min-width: 1280px) {
  .hero-figure {
    margin-right: -7rem;
    transform: scale(1.25);
  }
}

.hero-figure img {
  width: 100%;
  max-height: 660px;
  object-fit: contain;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.05));
}

/* ==========================================================================
   ABOUT SECTION
   ========================================================================== */
.about-section {
  padding-top: 3.5rem;
  padding-bottom: 3.5rem;
  background-color: #ffffff;
  border-bottom: 1px solid #f1f5f9;
}

@media (min-width: 1024px) {
  .about-section {
    padding-top: 5rem;
    padding-bottom: 5rem;
  }
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: start;
}

@media (min-width: 1024px) {
  .about-grid {
    grid-template-columns: 5fr 7fr;
    gap: 3rem;
  }
}

.about-left {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.about-badge-bar {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  background-color: rgba(239, 246, 255, 0.8);
  padding: 0.75rem;
  border-radius: var(--radius-xl);
  border: 1px solid #dbeafe;
  font-size: 0.75rem;
  font-weight: 700;
  color: #1e293b;
}

.about-badge-bar svg {
  width: 1rem;
  height: 1rem;
  color: var(--primary-blue);
  flex-shrink: 0;
}

.about-badge-bar a {
  color: var(--primary-blue);
  font-weight: 700;
}

.about-badge-bar a:hover {
  text-decoration: underline;
}

.about-expander {
  display: none;
  font-size: 0.75rem;
  color: #475569;
  border-top: 1px solid #f1f5f9;
  padding-top: 0.75rem;
  flex-direction: column;
  gap: 0.75rem;
  animation: fadeIn 0.2s ease-out;
}

.about-expander.open {
  display: flex;
}

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--primary-blue);
  font-weight: 700;
  font-size: 0.875rem;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: color 0.15s ease;
}

.btn-link:hover {
  color: var(--primary-blue-hover);
}

.btn-link svg {
  width: 1rem;
  height: 1rem;
  transition: transform 0.15s ease;
}

.btn-link:hover svg {
  transform: translateX(3px);
}

/* Features Right */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  padding-top: 0.5rem;
}

@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1280px) {
  .features-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
  }
  .feature-item {
    padding: 0 1.25rem;
    border-left: 1px solid #e2e8f0;
  }
  .feature-item:first-child {
    padding-left: 0;
    border-left: none;
  }
  .feature-item:last-child {
    padding-right: 0;
  }
}

.feature-item {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.feature-icon-box {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-full);
  background-color: #eff6ff;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-blue);
}

.feature-icon-box svg {
  width: 1.5rem;
  height: 1.5rem;
}

.feature-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: #0f172a;
  line-height: 1.35;
}

.feature-desc {
  font-size: 0.75rem;
  color: #64748b;
  line-height: 1.5;
}

/* ==========================================================================
   TRACKS SECTION
   ========================================================================== */
.tracks-section {
  padding-top: 4rem;
  padding-bottom: 4rem;
  background-color: #f8fafc;
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

@media (min-width: 1024px) {
  .tracks-section {
    padding-top: 6rem;
    padding-bottom: 6rem;
  }
}

.tracks-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 1024px) {
  .tracks-grid {
    grid-template-columns: 5fr 7fr;
  }
}

.tracks-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 640px;
  overflow-y: auto;
  padding-right: 0.25rem;
}

.track-nav-btn {
  width: 100%;
  text-align: left;
  padding: 0.875rem 1rem;
  border-radius: var(--radius-xl);
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid #e2e8f0;
  background-color: rgba(255, 255, 255, 0.7);
  color: #334155;
  cursor: pointer;
}

.track-nav-btn:hover {
  background-color: #ffffff;
}

.track-nav-btn.active {
  background-color: #ffffff;
  border-color: var(--primary-blue);
  box-shadow: var(--shadow-sm);
  color: #0f172a;
  font-weight: 700;
}

.track-btn-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
  padding-right: 0.5rem;
}

.track-btn-icon {
  padding: 0.5rem;
  border-radius: var(--radius-md);
  flex-shrink: 0;
  background-color: #f1f5f9;
  color: #475569;
  display: flex;
  align-items: center;
  justify-content: center;
}

.track-nav-btn.active .track-btn-icon {
  background-color: var(--primary-blue);
  color: #ffffff;
}

.track-btn-icon svg {
  width: 1rem;
  height: 1rem;
}

.track-btn-title {
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (min-width: 640px) {
  .track-btn-title {
    font-size: 0.875rem;
  }
}

.track-btn-arrow {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  color: #cbd5e1;
  transition: transform 0.15s ease, color 0.15s ease;
}

.track-nav-btn.active .track-btn-arrow {
  color: var(--primary-blue);
  transform: translateX(4px);
}

/* Track Detail Panel */
.track-detail-panel {
  background-color: #ffffff;
  border-radius: var(--radius-2xl);
  padding: 1.5rem;
  border: 1px solid #e2e8f0;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .track-detail-panel {
    padding: 2rem;
  }
}

@media (min-width: 1024px) {
  .track-detail-panel {
    position: sticky;
    top: 6rem;
  }
}

.track-detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #f1f5f9;
  padding-bottom: 1rem;
}

.track-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary-blue);
  background-color: #eff6ff;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
}

.track-detail-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: #0f172a;
  line-height: 1.25;
}

.topics-header {
  font-size: 0.75rem;
  font-weight: 700;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.topics-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.625rem;
}

@media (min-width: 640px) {
  .topics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.topic-card {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  background-color: #f8fafc;
  padding: 0.625rem;
  border-radius: var(--radius-md);
  border: 1px solid #f1f5f9;
}

.topic-card svg {
  width: 0.875rem;
  height: 0.875rem;
  color: var(--primary-blue);
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.topic-text {
  font-size: 0.75rem;
  font-weight: 500;
  color: #334155;
  line-height: 1.35;
}

.track-chairs-footer {
  padding-top: 1rem;
  border-top: 1px solid #f1f5f9;
  font-size: 0.75rem;
  color: #64748b;
}

.track-chairs-footer strong {
  color: #334155;
}

/* ==========================================================================
   DATES SECTION (TIMELINE)
   ========================================================================== */
.dates-section {
  padding-top: 4rem;
  padding-bottom: 4rem;
  background-color: #ffffff;
  border-bottom: 1px solid #f1f5f9;
}

@media (min-width: 1024px) {
  .dates-section {
    padding-top: 5rem;
    padding-bottom: 5rem;
  }
}

.timeline-wrapper {
  position: relative;
  max-width: 56rem;
  margin-left: auto;
  margin-right: auto;
}

.timeline-line {
  display: none;
  position: absolute;
  left: 50%;
  top: 1rem;
  bottom: 1rem;
  width: 2px;
  background-color: #dbeafe;
  transform: translateX(-50%);
}

@media (min-width: 640px) {
  .timeline-line {
    display: block;
  }
}

.timeline-list {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  position: relative;
}

.timeline-row {
  display: flex;
  flex-direction: column;
  align-items: center;
}

@media (min-width: 640px) {
  .timeline-row {
    flex-direction: row;
  }
  .timeline-row.even {
    flex-direction: row-reverse;
  }
}

.timeline-card-col {
  width: 100%;
  margin-bottom: 1rem;
}

@media (min-width: 640px) {
  .timeline-card-col {
    width: 50%;
    margin-bottom: 0;
    padding-right: 2rem;
    text-align: right;
  }
  .timeline-row.even .timeline-card-col {
    padding-right: 0;
    padding-left: 2rem;
    text-align: left;
  }
}

.timeline-card {
  padding: 1.5rem;
  border-radius: var(--radius-2xl);
  border: 1px solid rgba(226, 232, 240, 0.8);
  background-color: #ffffff;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.timeline-card.active {
  background-color: rgba(239, 246, 255, 0.6);
  border-color: #93c5fd;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

.timeline-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

@media (min-width: 640px) {
  .timeline-card-col .timeline-header {
    justify-content: flex-end;
  }
  .timeline-row.even .timeline-card-col .timeline-header {
    justify-content: flex-start;
  }
}

.timeline-pill {
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.125rem 0.625rem;
  border-radius: var(--radius-full);
  background-color: #f1f5f9;
  color: #334155;
}

.timeline-card.active .timeline-pill {
  background-color: var(--primary-blue);
  color: #ffffff;
}

.timeline-date-str {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--primary-blue);
  letter-spacing: 0.025em;
}

.timeline-card-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 0.25rem;
}

.timeline-card-desc {
  font-size: 0.75rem;
  color: #475569;
  line-height: 1.5;
}

@media (min-width: 640px) {
  .timeline-card-desc {
    font-size: 0.875rem;
  }
}

.timeline-node {
  z-index: 10;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
  background-color: #ffffff;
  border: 2px solid var(--primary-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-blue);
  box-shadow: var(--shadow-md);
  margin: 0.5rem 0;
  flex-shrink: 0;
}

@media (min-width: 640px) {
  .timeline-node {
    margin: 0;
  }
}

.timeline-node svg {
  width: 1.25rem;
  height: 1.25rem;
}

.timeline-spacer {
  display: none;
  width: 50%;
}

@media (min-width: 640px) {
  .timeline-spacer {
    display: block;
  }
}

/* ==========================================================================
   REGISTRATION OVERVIEW
   ========================================================================== */
.reg-section {
  padding-top: 4rem;
  padding-bottom: 4rem;
  background-color: #f8fafc;
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

@media (min-width: 1024px) {
  .reg-section {
    padding-top: 6rem;
    padding-bottom: 6rem;
  }
}

.reg-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 1024px) {
  .reg-grid {
    grid-template-columns: 7fr 5fr;
  }
}

.categories-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.category-card {
  background-color: #ffffff;
  padding: 1rem;
  border-radius: var(--radius-xl);
  border: 1px solid #e2e8f0;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.category-card-title {
  font-weight: 700;
  color: #0f172a;
  font-size: 0.875rem;
}

.category-card-desc {
  font-size: 0.75rem;
  color: #64748b;
}

.steps-card {
  background-color: #ffffff;
  padding: 1.5rem;
  border-radius: var(--radius-2xl);
  border: 1px solid #e2e8f0;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1.5rem;
}

.steps-title {
  font-weight: 700;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary-blue);
}

.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .steps-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.step-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.step-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--primary-blue);
  background-color: #eff6ff;
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius-sm);
  width: fit-content;
}

.step-text {
  font-size: 0.75rem;
  font-weight: 700;
  color: #1e293b;
}

/* Benefits Card Right */
.benefits-card {
  background-color: #ffffff;
  padding: 1.5rem;
  border-radius: var(--radius-2xl);
  border: 1px solid #e2e8f0;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .benefits-card {
    padding: 2rem;
  }
}

.benefits-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: #334155;
}

.benefit-item svg {
  width: 1rem;
  height: 1rem;
  color: var(--primary-blue);
  margin-top: 0.125rem;
  flex-shrink: 0;
}

.author-guidelines-box {
  padding: 1rem;
  background-color: #fffbeb;
  border-radius: var(--radius-2xl);
  border: 1px solid rgba(253, 230, 138, 0.8);
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  font-size: 0.75rem;
  color: #451a03;
}

.author-guidelines-box-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  color: #78350f;
}

.author-guidelines-box-header svg {
  width: 1rem;
  height: 1rem;
  color: #b45309;
}

/* ==========================================================================
   SPEAKERS SECTION
   ========================================================================== */
.speakers-section {
  padding-top: 4rem;
  padding-bottom: 4rem;
  background-color: #f8fafc;
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

@media (min-width: 1024px) {
  .speakers-section {
    padding-top: 6rem;
    padding-bottom: 6rem;
  }
}

.filter-btn-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 3rem;
}

.filter-btn {
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 1px solid #e2e8f0;
  background-color: #ffffff;
  color: #475569;
  cursor: pointer;
  transition: all 0.15s ease;
}

@media (min-width: 640px) {
  .filter-btn {
    font-size: 0.875rem;
  }
}

.filter-btn:hover {
  background-color: #f1f5f9;
}

.filter-btn.active {
  background-color: var(--primary-blue);
  color: #ffffff;
  border-color: var(--primary-blue);
  box-shadow: 0 4px 6px -1px rgba(37, 99, 235, 0.2);
}

.speakers-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

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

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

@media (min-width: 1280px) {
  .speakers-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.speaker-card {
  background-color: #ffffff;
  border-radius: var(--radius-2xl);
  border: 1px solid #e2e8f0;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.speaker-card:hover {
  box-shadow: var(--shadow-md);
  border-color: #93c5fd;
  transform: translateY(-2px);
}

.speaker-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.speaker-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.speaker-avatar {
  width: 5rem;
  height: 5rem;
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 2px solid #dbeafe;
  box-shadow: var(--shadow-sm);
  background-color: #f1f5f9;
  flex-shrink: 0;
}

.speaker-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.speaker-card:hover .speaker-avatar img {
  transform: scale(1.05);
}

.speaker-role-pill {
  font-size: 0.625rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-full);
  text-align: center;
  line-height: 1.25;
  max-width: 7.5rem;
}

.speaker-role-pill.blue {
  color: #1d4ed8;
  background-color: #eff6ff;
  border: 1px solid #bfdbfe;
}

.speaker-role-pill.purple {
  color: #6d28d9;
  background-color: #f5f3ff;
  border: 1px solid #ddd6fe;
}

.speaker-role-pill.green {
  color: #047857;
  background-color: #ecfdf5;
  border: 1px solid #a7f3d0;
}

.speaker-role-pill.slate {
  color: #334155;
  background-color: #f1f5f9;
  border: 1px solid #cbd5e1;
}

.speaker-name {
  font-size: 1rem;
  font-weight: 700;
  color: #0f172a;
  line-height: 1.35;
}

.speaker-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary-blue);
  margin-top: 0.125rem;
}

.speaker-inst {
  font-size: 0.75rem;
  color: #64748b;
  margin-top: 0.25rem;
  line-height: 1.35;
}

.speaker-honor-box {
  padding-top: 0.75rem;
  border-top: 1px solid #f1f5f9;
  font-size: 0.6875rem;
  font-weight: 500;
  color: #475569;
  line-height: 1.35;
}

.speaker-footer {
  padding: 0.75rem 1rem;
  background-color: #f8fafc;
  border-top: 1px solid #f1f5f9;
  text-align: right;
}

.speaker-footer a {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary-blue);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.speaker-footer a:hover {
  text-decoration: underline;
}

.speaker-footer a svg {
  width: 0.75rem;
  height: 0.75rem;
}

/* ==========================================================================
   COMMITTEE SECTION
   ========================================================================== */
.committee-section {
  padding-top: 4rem;
  padding-bottom: 4rem;
  background-color: #ffffff;
  border-bottom: 1px solid #f1f5f9;
}

@media (min-width: 1024px) {
  .committee-section {
    padding-top: 6rem;
    padding-bottom: 6rem;
  }
}

.committee-controls {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.committee-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

.committee-tab-btn {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  border: none;
  background-color: #f1f5f9;
  color: #334155;
  cursor: pointer;
  transition: all 0.15s ease;
}

.committee-tab-btn:hover {
  background-color: #e2e8f0;
}

.committee-tab-btn.active {
  background-color: var(--primary-blue);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.search-box-wrapper {
  max-width: 28rem;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 0.875rem;
  top: 0.75rem;
  width: 1rem;
  height: 1rem;
  color: #94a3b8;
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 0.5rem 1rem 0.5rem 2.5rem;
  border-radius: var(--radius-full);
  border: 1px solid #cbd5e1;
  font-size: 0.75rem;
  background-color: rgba(248, 250, 252, 0.5);
  outline: none;
  transition: border-color 0.15s ease;
}

.search-input:focus {
  border-color: var(--primary-blue);
  background-color: #ffffff;
}

/* Committee Cards Grid */
.committee-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .committee-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

@media (min-width: 1280px) {
  .committee-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.committee-card {
  background-color: #f8fafc;
  padding: 1.25rem;
  border-radius: var(--radius-2xl);
  border: 1px solid rgba(226, 232, 240, 0.8);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.comm-pill {
  font-size: 0.625rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.125rem 0.625rem;
  border-radius: var(--radius-full);
  width: fit-content;
}

.comm-pill.purple {
  color: #6d28d9;
  background-color: rgba(243, 232, 255, 0.6);
}

.comm-pill.blue {
  color: var(--primary-blue);
  background-color: rgba(219, 234, 254, 0.6);
}

.comm-pill.pink {
  color: #be185d;
  background-color: #fce7f3;
}

.comm-name {
  font-weight: 700;
  color: #0f172a;
  font-size: 1rem;
  line-height: 1.35;
}

.comm-desig {
  font-size: 0.75rem;
  font-weight: 500;
  color: #334155;
}

.comm-affil {
  font-size: 0.6875rem;
  color: #64748b;
  line-height: 1.35;
}

.comm-affil a {
  color: inherit;
}

.comm-affil a:hover {
  color: var(--primary-blue);
  text-decoration: underline;
}

/* Compact Advisory / TPC Grid */
.committee-grid-compact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .committee-grid-compact {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .committee-grid-compact {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .committee-grid-compact {
    grid-template-columns: repeat(4, 1fr);
  }
}

.committee-card-compact {
  background-color: #f8fafc;
  padding: 0.875rem;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(226, 232, 240, 0.8);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.comm-name-compact {
  font-weight: 700;
  color: #0f172a;
  font-size: 0.75rem;
  line-height: 1.35;
}

/* ==========================================================================
   SUBMISSION & GUIDELINES
   ========================================================================== */
.submit-section {
  padding-top: 4rem;
  padding-bottom: 4rem;
  background-color: #f8fafc;
  border-top: 1px solid rgba(226, 232, 240, 0.6);
}

@media (min-width: 1024px) {
  .submit-section {
    padding-top: 6rem;
    padding-bottom: 6rem;
  }
}

.submit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .submit-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.check-cards-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-top: 0.5rem;
}

.check-card {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background-color: #ffffff;
  padding: 0.875rem;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(226, 232, 240, 0.8);
  box-shadow: var(--shadow-sm);
}

.check-card svg {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--primary-blue);
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.check-card-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: #0f172a;
}

.check-card-desc {
  font-size: 0.75rem;
  color: #475569;
}

.btn-white {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: #ffffff;
  color: #334155;
  font-weight: 700;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-full);
  border: 1px solid #cbd5e1;
  box-shadow: var(--shadow-sm);
  font-size: 0.875rem;
  transition: all 0.15s ease;
}

.btn-white:hover {
  background-color: #f1f5f9;
}

.btn-white svg {
  width: 1rem;
  height: 1rem;
}

.submit-right-card {
  background-color: #ffffff;
  border-radius: var(--radius-2xl);
  padding: 2rem;
  border: 1px solid #e2e8f0;
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.submit-right-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #f1f5f9;
  padding-bottom: 1rem;
}

.submit-icon-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.submit-icon-box {
  padding: 0.75rem;
  background-color: #eff6ff;
  color: var(--primary-blue);
  border-radius: var(--radius-2xl);
  border: 1px solid #dbeafe;
}

.submit-icon-box svg {
  width: 1.5rem;
  height: 1.5rem;
}

.badge-green {
  font-size: 0.75rem;
  font-weight: 700;
  color: #059669;
  background-color: #ecfdf5;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid #a7f3d0;
}

.recommendation-box {
  background-color: rgba(239, 246, 255, 0.7);
  padding: 1rem;
  border-radius: var(--radius-2xl);
  border: 1px solid #dbeafe;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.rec-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #1e3a8a;
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.rec-title svg {
  width: 1rem;
  height: 1rem;
  color: var(--primary-blue);
}

.rec-desc {
  font-size: 0.75rem;
  color: #172554;
  line-height: 1.5;
}

/* ==========================================================================
   ACCOMMODATION & TRAVEL
   ========================================================================== */
.travel-section {
  padding-top: 4rem;
  padding-bottom: 4rem;
  background-color: #ffffff;
  border-bottom: 1px solid #f1f5f9;
}

@media (min-width: 1024px) {
  .travel-section {
    padding-top: 6rem;
    padding-bottom: 6rem;
  }
}

.travel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 1024px) {
  .travel-grid {
    grid-template-columns: 7fr 5fr;
  }
}

.hotels-wrapper {
  background-color: #f8fafc;
  padding: 1.5rem;
  border-radius: var(--radius-2xl);
  border: 1px solid #e2e8f0;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .hotels-wrapper {
    padding: 2rem;
  }
}

.hotels-header {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: space-between;
}

@media (min-width: 640px) {
  .hotels-header {
    flex-direction: row;
    align-items: center;
  }
}

.hotel-tabs {
  display: flex;
  align-items: center;
  background-color: rgba(226, 232, 240, 0.8);
  padding: 0.25rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
}

.hotel-tab-btn {
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  border: none;
  background: transparent;
  color: #334155;
  cursor: pointer;
  transition: all 0.15s ease;
}

.hotel-tab-btn.active {
  background-color: var(--primary-blue);
  color: #ffffff;
}

.hotel-table-container {
  overflow-x: auto;
  background-color: #ffffff;
  border-radius: var(--radius-2xl);
  border: 1px solid #e2e8f0;
}

.hotel-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.75rem;
}

.hotel-table th {
  background-color: rgba(241, 245, 249, 0.8);
  color: #334155;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.625rem;
  letter-spacing: 0.05em;
  padding: 0.875rem;
  border-bottom: 1px solid #e2e8f0;
}

.hotel-table td {
  padding: 0.875rem;
  border-bottom: 1px solid #f1f5f9;
}

.hotel-table tr:hover {
  background-color: rgba(239, 246, 255, 0.4);
}

.hotel-table .hotel-name {
  font-weight: 700;
  color: #0f172a;
}

.hotel-table .hotel-dist {
  color: #475569;
}

.hotel-table .hotel-tariff {
  font-weight: 600;
  color: var(--primary-blue);
}

.btn-check-rates {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background-color: var(--primary-blue);
  color: #ffffff;
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.375rem 0.875rem;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  transition: all 0.15s ease;
}

.btn-check-rates:hover {
  background-color: var(--primary-blue-hover);
}

.btn-check-rates svg {
  width: 0.75rem;
  height: 0.75rem;
}

/* Transit Card Right */
.transit-card {
  background-color: var(--primary-navy);
  color: #ffffff;
  padding: 1.5rem;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .transit-card {
    padding: 2rem;
  }
}

.transit-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-size: 0.75rem;
}

.transit-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem;
  background-color: rgba(30, 58, 138, 0.3);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(30, 58, 138, 0.4);
}

.transit-item svg {
  width: 1.25rem;
  height: 1.25rem;
  color: #60a5fa;
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.transit-title {
  font-weight: 700;
  color: #ffffff;
}

.transit-desc {
  color: #cbd5e1;
}

.transit-notice {
  padding: 0.875rem;
  background-color: rgba(23, 37, 84, 0.8);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(30, 58, 138, 0.6);
  font-size: 0.75rem;
  color: #bfdbfe;
}

.btn-maps {
  width: 100%;
  background-color: var(--primary-blue);
  color: #ffffff;
  font-weight: 700;
  padding: 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.15s ease;
}

.btn-maps:hover {
  background-color: var(--primary-blue-hover);
}

.btn-maps svg {
  width: 1rem;
  height: 1rem;
}

/* ==========================================================================
   TRAVEL GRANT SECTION
   ========================================================================== */
.travelgrant-section {
  padding-top: 4rem;
  padding-bottom: 4rem;
  background-color: #f8fafc;
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

@media (min-width: 1024px) {
  .travelgrant-section {
    padding-top: 6rem;
    padding-bottom: 6rem;
  }
}

.travelgrant-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 1024px) {
  .travelgrant-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.grant-box {
  background-color: #ffffff;
  padding: 1.5rem;
  border-radius: var(--radius-2xl);
  border: 1px solid #e2e8f0;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

@media (min-width: 640px) {
  .grant-box {
    padding: 2rem;
  }
}

.grant-box-tag {
  font-size: 0.625rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-full);
  width: fit-content;
}

.grant-box-tag.blue {
  color: var(--primary-blue);
  background-color: #eff6ff;
}

.grant-box-tag.green {
  color: #047857;
  background-color: #ecfdf5;
}

.btn-download-grant {
  width: 100%;
  background-color: var(--primary-blue);
  color: #ffffff;
  font-weight: 700;
  padding: 0.875rem 1.5rem;
  border-radius: var(--radius-full);
  box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.25);
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  transition: all 0.15s ease;
}

@media (min-width: 640px) {
  .btn-download-grant {
    font-size: 0.875rem;
  }
}

.btn-download-grant:hover {
  background-color: var(--primary-blue-hover);
}

.btn-download-grant svg {
  width: 1.25rem;
  height: 1.25rem;
  transition: transform 0.15s ease;
}

.btn-download-grant:hover svg {
  transform: translateY(2px);
}

/* ==========================================================================
   VISA SECTION
   ========================================================================== */
.visa-section {
  padding-top: 4rem;
  padding-bottom: 4rem;
  background-color: #ffffff;
  border-bottom: 1px solid #f1f5f9;
}

@media (min-width: 1024px) {
  .visa-section {
    padding-top: 5rem;
    padding-bottom: 5rem;
  }
}

.visa-card {
  background-color: var(--primary-navy);
  color: #ffffff;
  border-radius: var(--radius-2xl);
  padding: 2rem;
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

@media (min-width: 640px) {
  .visa-card {
    padding: 3rem;
  }
}

.visa-header {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  border-bottom: 1px solid rgba(30, 58, 138, 0.6);
  padding-bottom: 1.5rem;
}

@media (min-width: 768px) {
  .visa-header {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.visa-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
}

@media (min-width: 640px) {
  .visa-title {
    font-size: 1.875rem;
  }
}

.visa-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
  font-size: 0.75rem;
}

@media (min-width: 640px) {
  .visa-grid {
    font-size: 0.875rem;
  }
}

@media (min-width: 1024px) {
  .visa-grid {
    grid-template-columns: 7fr 5fr;
  }
}

.visa-left {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  color: #cbd5e1;
  line-height: 1.6;
}

.visa-alert-box {
  padding: 1rem;
  background-color: rgba(23, 37, 84, 0.8);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(30, 58, 138, 0.6);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.75rem;
}

.visa-alert-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #facc15;
  font-weight: 700;
}

.visa-alert-title svg {
  width: 1rem;
  height: 1rem;
}

.visa-right-box {
  background-color: rgba(30, 58, 138, 0.4);
  padding: 1.5rem;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(30, 58, 138, 0.5);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.visa-right-title {
  font-weight: 700;
  color: #ffffff;
  font-size: 1rem;
}

.visa-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: #93c5fd;
  text-decoration: underline;
}

.visa-link-btn:hover {
  color: #ffffff;
}

.visa-link-btn svg {
  width: 1rem;
  height: 1rem;
}

/* ==========================================================================
   LIVE FLAG VISITOR COUNTER WIDGET
   ========================================================================== */
.counter-section {
  background-color: var(--footer-dark);
  padding: 2rem 1rem;
  border-top: 1px solid rgba(30, 58, 138, 0.4);
}

.counter-widget {
  background-color: #071630;
  border-radius: var(--radius-xl);
  padding: 1.25rem;
  border: 1px solid rgba(30, 58, 138, 0.6);
  box-shadow: var(--shadow-lg);
  color: #cbd5e1;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.counter-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(30, 58, 138, 0.5);
  padding-bottom: 0.75rem;
}

.counter-header-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.counter-header-left svg {
  width: 1rem;
  height: 1rem;
  color: #60a5fa;
}

.counter-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.counter-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: rgba(23, 37, 84, 0.9);
  border: 1px solid rgba(29, 78, 216, 0.6);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.6875rem;
  font-weight: 700;
  color: #bfdbfe;
}

.pulse-dot {
  position: relative;
  display: flex;
  width: 0.5rem;
  height: 0.5rem;
}

.pulse-dot .ping {
  animation: ping 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
  position: absolute;
  display: inline-flex;
  height: 100%;
  width: 100%;
  border-radius: 50%;
  background-color: #60a5fa;
  opacity: 0.75;
}

.pulse-dot .dot {
  position: relative;
  display: inline-flex;
  border-radius: 50%;
  height: 0.5rem;
  width: 0.5rem;
  background-color: #3b82f6;
}

.counter-badge-white {
  background-color: #ffffff;
  color: #0f172a;
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius-md);
  font-family: monospace;
  font-weight: 800;
  font-size: 0.75rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid #e2e8f0;
}

.counter-flags-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.625rem;
  padding-top: 0.25rem;
}

@media (min-width: 640px) {
  .counter-flags-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1024px) {
  .counter-flags-grid {
    grid-template-columns: repeat(8, 1fr);
  }
}

.flag-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: rgba(23, 37, 84, 0.6);
  padding: 0.375rem 0.625rem;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(30, 58, 138, 0.5);
  transition: border-color 0.15s ease;
  font-size: 0.75rem;
}

.flag-box:hover {
  border-color: #2563eb;
}

.flag-box-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
  overflow: hidden;
}

.flag-box-left img {
  width: 1.25rem;
  height: 0.875rem;
  object-fit: cover;
  border-radius: 2px;
  flex-shrink: 0;
}

.flag-country-name {
  font-weight: 600;
  color: #e2e8f0;
  font-size: 0.6875rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 65px;
}

.flag-count-badge {
  background-color: #ffffff;
  color: #0f172a;
  font-family: monospace;
  font-size: 0.6875rem;
  font-weight: 800;
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid #e2e8f0;
  flex-shrink: 0;
  margin-left: 0.25rem;
}

.counter-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.625rem;
  color: #94a3b8;
  padding-top: 0.25rem;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background-color: var(--footer-dark);
  color: #94a3b8;
  border-top: 1px solid rgba(30, 58, 138, 0.5);
  padding-top: 4rem;
  padding-bottom: 3rem;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid #1e293b;
}

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

@media (min-width: 1024px) {
  .footer-top-grid {
    grid-template-columns: 4fr 2fr 3fr 3fr;
  }
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-brand img {
  height: 3rem;
  width: auto;
  object-fit: contain;
}

.footer-col-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #ffffff;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.75rem;
}

.footer-links-list a {
  color: #94a3b8;
  transition: color 0.15s ease;
}

.footer-links-list a:hover {
  color: #60a5fa;
}

.secretariat-list {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  font-size: 0.75rem;
}

.secretariat-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.secretariat-item svg {
  width: 1rem;
  height: 1rem;
  color: #60a5fa;
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.footer-bottom-bar {
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.75rem;
  color: #64748b;
}

@media (min-width: 640px) {
  .footer-bottom-bar {
    flex-direction: row;
  }
}

.footer-bottom-bar a {
  color: #94a3b8;
  text-decoration: underline;
  transition: color 0.15s ease;
}

.footer-bottom-bar a:hover {
  color: #60a5fa;
}

/* Team Apollo Popup */
.team-credits-wrapper {
  position: relative;
}

.btn-team-credits {
  background: transparent;
  border: none;
  color: #64748b;
  font-size: 0.75rem;
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
  transition: color 0.15s ease;
}

.btn-team-credits:hover {
  color: #60a5fa;
}

.team-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 40;
}

.team-backdrop.open {
  display: block;
}

.team-popup {
  display: none;
  position: absolute;
  bottom: 2rem;
  right: 0;
  z-index: 50;
  background-color: #0d1f3c;
  border: 1px solid rgba(30, 58, 138, 0.6);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  padding: 1.25rem;
  width: 16rem;
  animation: fadeIn 0.15s ease-out;
}

.team-popup.open {
  display: block;
}

.team-popup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.team-popup-title {
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.team-close-btn {
  background: transparent;
  border: none;
  color: #94a3b8;
  cursor: pointer;
}

.team-close-btn:hover {
  color: #ffffff;
}

.team-close-btn svg {
  width: 1rem;
  height: 1rem;
}

.team-members-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.team-member-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.team-member-name {
  color: #e2e8f0;
  font-size: 0.75rem;
  font-weight: 500;
}

.team-member-link {
  color: #60a5fa;
  transition: color 0.15s ease;
}

.team-member-link:hover {
  color: #93c5fd;
}

.team-member-link svg {
  width: 1rem;
  height: 1rem;
}

/* ==========================================================================
   MODALS (Registration & Submission)
   ========================================================================== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 100;
  padding: 1rem;
  background-color: rgba(2, 6, 23, 0.7);
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease-out;
}

.modal-overlay.open {
  display: flex;
}

.modal-card {
  background-color: #ffffff;
  border-radius: var(--radius-2xl);
  max-width: 36rem;
  width: 100%;
  border: 1px solid #e2e8f0;
  box-shadow: var(--shadow-2xl);
  overflow: hidden;
  position: relative;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
}

.modal-card.sm {
  max-width: 32rem;
}

.modal-header {
  background-color: var(--primary-dark);
  color: #ffffff;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header.blue {
  background-color: var(--primary-blue);
}

.modal-header-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.modal-header-left img {
  height: 2rem;
  width: auto;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: #94a3b8;
  padding: 0.5rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.modal-close-btn:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.modal-close-btn svg {
  width: 1.25rem;
  height: 1.25rem;
}

.modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.tier-selector-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .tier-selector-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.tier-btn {
  padding: 0.75rem;
  border-radius: var(--radius-xl);
  border: 1px solid #e2e8f0;
  text-align: left;
  background-color: #ffffff;
  color: #334155;
  cursor: pointer;
  transition: all 0.15s ease;
}

.tier-btn:hover {
  background-color: #f8fafc;
}

.tier-btn.active {
  background-color: #eff6ff;
  border-color: #3b82f6;
  color: #1e3a8a;
  font-weight: 700;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.tier-label {
  font-size: 0.75rem;
  font-weight: 600;
}

.tier-price {
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--primary-blue);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.form-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: #334155;
}

.form-input-wrapper {
  position: relative;
}

.form-input-wrapper svg {
  position: absolute;
  left: 0.75rem;
  top: 0.75rem;
  width: 1rem;
  height: 1rem;
  color: #94a3b8;
  pointer-events: none;
}

.form-input {
  width: 100%;
  padding: 0.625rem 1rem;
  border-radius: var(--radius-xl);
  border: 1px solid #e2e8f0;
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.15s ease;
}

.form-input-with-icon {
  padding-left: 2.25rem;
}

.form-input:focus {
  border-color: var(--primary-blue);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

@media (min-width: 640px) {
  .form-row {
    grid-template-columns: repeat(2, 1fr);
  }
}

.btn-submit-modal {
  width: 100%;
  background-color: var(--primary-blue);
  color: #ffffff;
  font-weight: 700;
  padding: 0.75rem;
  border-radius: var(--radius-xl);
  box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.3);
  font-size: 0.875rem;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.15s ease;
}

.btn-submit-modal:hover {
  background-color: var(--primary-blue-hover);
}

.file-dropzone {
  border: 2px dashed #bfdbfe;
  border-radius: var(--radius-2xl);
  padding: 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.file-dropzone:hover {
  background-color: rgba(239, 246, 255, 0.5);
}

.file-dropzone svg {
  width: 2rem;
  height: 2rem;
  color: var(--primary-blue);
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 0.5rem;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.98);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes ping {
  75%, 100% {
    transform: scale(2);
    opacity: 0;
  }
}