:root {
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at 20% 20%, rgba(255, 207, 92, 0.25), transparent 35%),
    radial-gradient(circle at 80% 10%, rgba(75, 193, 255, 0.2), transparent 30%),
    linear-gradient(180deg, #0c1021 0%, #0a0d1a 50%, #070910 100%);
  color: #e8edf5;
  min-height: 100vh;
}

.page-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

.page-bg::before,
.page-bg::after {
  content: "";
  position: absolute;
  border-radius: 9999px;
  filter: blur(110px);
}

.page-bg::before {
  width: 16rem;
  height: 16rem;
  top: 5rem;
  left: -4rem;
  background: rgba(255, 185, 77, 0.28);
}

.page-bg::after {
  width: 18rem;
  height: 18rem;
  top: 8rem;
  right: 2rem;
  background: rgba(95, 211, 243, 0.2);
}

.container {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
}

.glass {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.tagline {
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: #9cb4ff;
  font-size: 0.72rem;
  font-weight: 600;
}

a {
  color: #f4d58d;
  text-decoration-color: rgba(244, 213, 141, 0.45);
  text-underline-offset: 0.18em;
  transition: color 150ms ease, text-decoration-color 150ms ease;
}

a:hover {
  color: #ffe7b7;
  text-decoration-color: rgba(255, 231, 183, 0.8);
}

.site-nav {
  position: sticky;
  top: 0.8rem;
  z-index: 40;
  margin-top: 1rem;
}

.site-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 1rem;
  border-radius: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo {
  width: 2.35rem;
  height: 2.35rem;
  display: block;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.nav-link {
  color: #cdd6e8;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.5rem 0.8rem;
  border-radius: 0.8rem;
  border: 1px solid transparent;
  transition: 160ms ease;
}

.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

.nav-link.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.32);
}

.mobile-menu-btn {
  display: none;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-radius: 0.8rem;
  padding: 0.4rem 0.6rem;
  font-weight: 700;
}

.mobile-menu {
  display: none;
  margin-top: 0.7rem;
  padding: 0.7rem;
  border-radius: 1rem;
}

.mobile-menu.open {
  display: grid;
  gap: 0.35rem;
}

.mobile-menu .nav-link {
  display: block;
}

header.hero {
  margin-top: 1.4rem;
  padding: 1.4rem;
  border-radius: 1.4rem;
}

.hero h1 {
  margin: 0.5rem 0 0;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.14;
  color: #fff;
}

.hero p {
  margin: 0.85rem 0 0;
  color: #d2ddf0;
  max-width: 72ch;
}

.hero-meta {
  margin-top: 1.1rem;
  display: inline-block;
  padding: 0.8rem 1rem;
  border-radius: 1rem;
}

main.page {
  margin-top: 1rem;
  margin-bottom: 2rem;
  display: grid;
  gap: 1rem;
}

.panel {
  padding: 1.2rem;
  border-radius: 1.2rem;
}

.panel h2 {
  margin: 0.2rem 0 0;
  color: #fff;
  font-size: clamp(1.35rem, 2.8vw, 2rem);
}

.panel p {
  color: #d2ddf0;
}

.grid-3 {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-2 {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1rem;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.03);
}

.card h3,
.card h4 {
  margin: 0;
  color: #fff;
}

.muted {
  color: #b9c6dd;
}

.card-actions {
  margin-top: 0.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.card-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  border-radius: 0.7rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.06);
  color: #f8fafc;
  text-decoration: none;
  padding: 0.45rem 0.65rem;
  font-size: 0.8rem;
  font-weight: 700;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease, color 160ms ease;
}

.card-btn:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
}

.social-icon {
  width: 0.95rem;
  height: 0.95rem;
  display: inline-block;
  flex: 0 0 auto;
}

.linkedin-icon {
  color: #60a5fa;
}

.scholar-icon {
  color: #f4d58d;
}

.pill {
  display: inline-block;
  padding: 0.22rem 0.6rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.05);
  color: #d6e0ef;
  font-size: 0.77rem;
  font-weight: 600;
}

.speaker-card {
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  overflow: hidden;
}

.speaker-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.8rem;
  padding: 0.95rem;
}

.speaker-name {
  color: #fff;
  font-weight: 700;
}

.speaker-toggle {
  display: none;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  border-radius: 0.7rem;
  padding: 0.28rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 700;
}

.speaker-details {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.95rem;
}

.speaker-image {
  display: block;
  width: 100%;
  height: 220px;
  object-fit: contain;
  border-radius: 0.8rem;
  background: rgba(255, 255, 255, 0.04);
}

.placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 220px;
  border-radius: 0.8rem;
  border: 1px dashed rgba(255, 255, 255, 0.24);
  color: #bcc9df;
}

.committee-list {
  margin: 0.8rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.45rem;
}

.committee-list li {
  color: #d2ddf0;
}

.committee-list strong {
  color: #fff;
}

.profile-grid {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.profile-card {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.03);
  overflow: hidden;
}

.profile-image {
  width: 100%;
  height: 210px;
  object-fit: cover;
  display: block;
  background: rgba(255, 255, 255, 0.04);
}

.profile-placeholder {
  width: 100%;
  height: 210px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #bcc9df;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
}

.profile-body {
  padding: 0.85rem;
}

.profile-name {
  margin: 0;
  color: #fff;
  font-size: 1rem;
}

.profile-role {
  margin: 0.25rem 0 0;
  color: #b9c6dd;
  font-size: 0.85rem;
}

.profile-org {
  margin: 0.2rem 0 0;
  color: #d2ddf0;
  font-size: 0.85rem;
}

.cfp-accordion {
  display: grid;
  gap: 0.7rem;
}

.cfp-item {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.03);
  overflow: hidden;
}

.cfp-item > summary {
  cursor: pointer;
  list-style: none;
  padding: 0.9rem 1rem;
  color: #fff;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.cfp-item > summary::-webkit-details-marker {
  display: none;
}

.cfp-item > summary::after {
  content: "+";
  color: #f4d58d;
  font-weight: 700;
  font-size: 1rem;
}

.cfp-item[open] > summary {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.cfp-item[open] > summary::after {
  content: "-";
}

.cfp-content {
  padding: 1rem;
}

.call-body p {
  margin: 0.75rem 0;
}

.call-body .call-label {
  display: inline-block;
  margin-top: 0.45rem;
  color: #ffffff;
  font-weight: 700;
}

.call-body ul {
  margin: 0.5rem 0 0.8rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.4rem;
}

.call-body li {
  position: relative;
  padding-left: 0.9rem;
  color: #d2ddf0;
}

.call-body li::before {
  content: "·";
  position: absolute;
  left: 0;
  top: 0;
  color: #f4d58d;
  font-weight: 700;
}

iframe.map {
  width: 100%;
  height: 420px;
  border: 0;
  border-radius: 0.9rem;
}

footer.site-footer {
  margin-bottom: 1.6rem;
  padding: 0.95rem 1.1rem;
  border-radius: 1rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

footer a {
  color: #fff;
}

@media (max-width: 980px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .profile-grid {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: inline-block;
  }
}

@media (max-width: 1024px) {
  .speaker-toggle {
    display: inline-block;
  }

  .speaker-details {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    padding: 0 0.95rem;
    transition: max-height 180ms ease, opacity 180ms ease, padding 180ms ease;
  }

  .speaker-card.open .speaker-details {
    max-height: 28rem;
    opacity: 1;
    padding: 0.95rem;
  }
}