:root {
  --site-bg: #eef4fb;
  --nav-bg: rgba(8, 23, 41, 0.93);
  --nav-line: rgba(172, 205, 231, 0.25);
  --ink-light: #e8f2fb;
  --header-h: 86px;
  --fx-cyan: rgba(19, 201, 179, 0.28);
  --fx-blue: rgba(50, 120, 243, 0.24);
}

* { box-sizing: border-box; }

html,
body {
  margin: 0;
  padding: 0;
  background:
    radial-gradient(circle at 18% -12%, #d9ebfa 0, rgba(217, 235, 250, 0) 40%),
    radial-gradient(circle at 86% 2%, rgba(148, 198, 251, 0.24), rgba(148, 198, 251, 0) 34%),
    var(--site-bg);
  color: #10243c;
  font-family: "Segoe UI", Arial, sans-serif;
}

body::before,
body::after {
  content: "";
  position: fixed;
  width: min(40vw, 560px);
  height: min(40vw, 560px);
  border-radius: 999px;
  pointer-events: none;
  z-index: -1;
  filter: blur(44px);
  opacity: 0.52;
  animation: shell-float 18s ease-in-out infinite;
}

body::before {
  top: -180px;
  left: -120px;
  background: radial-gradient(circle at 40% 40%, var(--fx-cyan), rgba(19, 201, 179, 0));
}

body::after {
  bottom: -220px;
  right: -120px;
  background: radial-gradient(circle at 40% 40%, var(--fx-blue), rgba(50, 120, 243, 0));
  animation-delay: -8s;
}

.skip-link {
  position: fixed;
  left: 12px;
  top: -64px;
  z-index: 3000;
  padding: 10px 14px;
  border-radius: 8px;
  background: #ffffff;
  color: #0f2843;
  text-decoration: none;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(10, 26, 44, 0.22);
  transition: top 0.2s ease;
}
.skip-link:focus-visible {
  top: 10px;
  outline: 2px solid #0f2843;
  outline-offset: 2px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1900;
  background: var(--nav-bg);
  border-bottom: 1px solid var(--nav-line);
  backdrop-filter: blur(8px);
  transition: background-color 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

.site-header.is-scrolled {
  background: rgba(7, 20, 35, 0.97);
  border-color: rgba(176, 213, 241, 0.38);
  box-shadow: 0 14px 34px rgba(7, 22, 38, 0.25);
}

.nav-wrap {
  max-width: min(1680px, calc(100vw - 24px));
  margin: 0 auto;
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  position: relative;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  color: #ffffff;
  min-width: 0;
}
.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  object-fit: contain;
  background: #ffffff;
  border: 1px solid rgba(190, 208, 226, 0.9);
  padding: 4px;
  box-shadow: 0 8px 20px rgba(7, 21, 38, 0.25);
  flex: 0 0 auto;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.brand:hover .brand-logo,
.brand:focus-visible .brand-logo {
  transform: translateY(-2px) rotate(-4deg);
  box-shadow: 0 14px 24px rgba(6, 19, 35, 0.28);
}
.brand-badge {
  display: none !important;
}
.brand-text strong {
  display: block;
  font-size: 16px;
  line-height: 1.1;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.brand-text span {
  display: block;
  color: #c2d9ec;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.menu-toggle {
  display: none;
  min-height: 40px;
  min-width: 40px;
  border-radius: 10px;
  border: 1px solid rgba(186, 219, 241, 0.28);
  background: #10314f;
  color: #e5f3ff;
  font-size: 20px;
  cursor: pointer;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.main-nav > a,
.main-nav .nav-link {
  color: var(--ink-light);
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.01em;
  padding: 10px 13px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: background-color 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.main-nav > a:hover,
.main-nav > a:focus-visible,
.main-nav .nav-link:hover,
.main-nav .nav-link:focus-visible {
  background: rgba(14, 151, 133, 0.16);
  border-color: rgba(143, 231, 218, 0.5);
  outline: none;
}
.main-nav > a,
.main-nav .nav-link,
.main-nav a.cta {
  position: relative;
  overflow: hidden;
}
.main-nav > a::before,
.main-nav .nav-link::before,
.main-nav a.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 34%, rgba(255, 255, 255, 0.26) 50%, transparent 66%);
  transform: translateX(-120%);
  transition: transform 0.55s ease;
  pointer-events: none;
}
.main-nav > a:hover::before,
.main-nav > a:focus-visible::before,
.main-nav .nav-link:hover::before,
.main-nav .nav-link:focus-visible::before,
.main-nav a.cta:hover::before,
.main-nav a.cta:focus-visible::before {
  transform: translateX(120%);
}
.main-nav a.cta {
  background: linear-gradient(145deg, #0d8f7c, #0d6785);
  border-color: rgba(178, 244, 235, 0.72);
  color: #ffffff;
}
.nav-item { position: relative; }
.nav-item.has-submenu::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 0;
  right: 0;
  height: 12px;
}
.nav-item.has-submenu > .nav-link::after {
  content: "▾";
  font-size: 11px;
  opacity: 0.78;
}
.submenu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  display: none;
  flex-direction: column;
  gap: 2px;
  padding: 10px;
  border: 1px solid rgba(180, 214, 238, 0.35);
  border-radius: 12px;
  background: rgba(10, 30, 50, 0.98);
  box-shadow: 0 18px 30px rgba(8, 23, 39, 0.35);
  z-index: 2100;
}
.submenu a {
  color: #e8f2fb;
  text-decoration: none;
  font-size: 14px;
  font-weight: 650;
  line-height: 1.35;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid transparent;
}
.submenu a:hover,
.submenu a:focus-visible {
  background: rgba(14, 151, 133, 0.14);
  border-color: rgba(143, 231, 218, 0.5);
  outline: none;
}
.nav-item.has-submenu:hover > .submenu,
.nav-item.has-submenu:focus-within > .submenu { display: flex; }

.page-main {
  max-width: 100%;
  margin: 0;
  padding: 0;
}

.static-page {
  margin: 0;
}

.fx-reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.42s ease, transform 0.42s ease;
}

.fx-reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

.scroll-top-btn {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 2200;
  min-width: 44px;
  min-height: 44px;
  border: 1px solid rgba(160, 226, 218, 0.85);
  border-radius: 999px;
  background: linear-gradient(145deg, #0d8f7c, #0d6785);
  color: #ffffff;
  font-size: 20px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 14px 26px rgba(5, 20, 36, 0.3);
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.scroll-top-btn.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.scroll-top-btn:hover,
.scroll-top-btn:focus-visible {
  box-shadow: 0 18px 30px rgba(5, 20, 36, 0.34);
  outline: none;
}

.site-footer {
  margin-top: 22px;
  background:
    linear-gradient(160deg, rgba(8, 21, 36, 0.96), rgba(8, 21, 36, 0.98)),
    radial-gradient(circle at 88% 20%, rgba(12, 140, 121, 0.2), transparent 44%),
    #0b1728;
  color: #deebf8;
  border-top: 1px solid rgba(178, 208, 233, 0.24);
}
.footer-inner {
  max-width: min(1680px, calc(100vw - 24px));
  margin: 0 auto;
  padding: 24px 16px 14px;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 16px;
}
.footer-brand h3 {
  margin: 0 0 6px;
  font-size: 31px;
  line-height: 1;
  color: #ffffff;
  font-family: Georgia, "Times New Roman", serif;
}
.footer-brand p,
.footer-col p {
  margin: 0;
  color: #c5d7e8;
  font-size: 13px;
  line-height: 1.65;
}
.footer-col h4 {
  margin: 0 0 8px;
  color: #aff0e8;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 11px;
  font-weight: 800;
}
.footer-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}
.footer-list a {
  color: #e4f0fa;
  text-decoration: none;
  font-size: 13px;
  font-weight: 650;
  border-bottom: 1px solid transparent;
}
.footer-list a:hover,
.footer-list a:focus-visible {
  border-color: rgba(176, 245, 235, 0.7);
  color: #cffff7;
  outline: none;
}
.footer-bottom {
  border-top: 1px solid rgba(169, 197, 221, 0.22);
  text-align: center;
  padding: 12px 14px 16px;
  color: #bdd0e2;
  font-size: 12px;
  line-height: 1.5;
}

@media (max-width: 980px) {
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .main-nav {
    position: absolute;
    left: 12px;
    right: 12px;
    top: calc(100% + 8px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 10px;
    border: 1px solid rgba(180, 214, 238, 0.35);
    border-radius: 12px;
    background: rgba(10, 30, 50, 0.98);
    box-shadow: 0 18px 30px rgba(8, 23, 39, 0.35);
  }
  .main-nav.open { display: flex; }
  .main-nav > a,
  .main-nav .nav-link { width: 100%; text-align: center; justify-content: center; }
  .nav-item { width: 100%; }
  .submenu {
    position: static;
    display: none;
    min-width: 0;
    margin-top: 4px;
    background: rgba(8, 23, 41, 0.56);
    box-shadow: none;
  }
  .nav-item.open > .submenu { display: flex; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@keyframes shell-float {
  0% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(20px, -28px, 0) scale(1.08); }
  100% { transform: translate3d(0, 0, 0) scale(1); }
}

@media (max-width: 620px) {
  html,
  body {
    overflow-x: hidden;
  }
  .site-header,
  .page-main,
  .site-footer {
    position: relative;
    left: 50%;
    right: 50%;
    width: 100vw;
    max-width: 100vw;
    margin-left: -50vw;
    margin-right: -50vw;
  }
  .page-main {
    padding: 0;
  }
  .page-main .sgsma-home-modern[data-sgsma-home-modern],
  .page-main .sgsma-welcome-page[data-sgsma-welcome],
  .page-main .sgsma-keynote-page[data-sgsma-keynotes],
  .page-main .sgsma-registration-page[data-sgsma-registration],
  .page-main .sgsma-venue-page[data-sgsma-venue],
  .page-main .sgsma-sponsor-wrap[data-sgsma-sponsorship],
  .page-main .sgsma-glance-wrap[data-sgsma-glance],
  .page-main .sgsma-call-wrap[data-sgsma-call],
  .page-main .sgsma-grant-wrap[data-sgsma-grant],
  .page-main .sgsma-phd-wrap[data-sgsma-phd],
  .page-main .sgsma-townhall-page[data-sgsma-townhall],
  .page-main .sgsma-tutorial-wrap[data-sgsma-tutorial],
  .page-main [data-spv2],
  .page-main [data-thv2],
  .page-main [data-cfav2],
  .page-main [data-ksv2],
  .page-main [data-wsv2],
  .page-main [data-pagv2],
  .page-main [data-tutv2],
  .page-main [data-cfpv2],
  .page-main [data-phdv2],
  .page-main [data-regv2],
  .page-main [data-venv2],
  .page-main [data-accv2],
  .page-main [data-trnv2],
  .page-main [data-prgv2],
  .page-main [data-cmtv2],
  .page-main [data-gstv2] {
    width: 100vw !important;
    max-width: none !important;
    margin: 0 !important;
    border: 0 !important;
    border-radius: 0 !important;
  }
  .page-main .sgsma-home-modern[data-sgsma-home-modern] .sgsma-hero-visual {
    display: none !important;
  }
  .page-main .sgsma-home-modern[data-sgsma-home-modern] .sgsma-hero-layout {
    grid-template-columns: 1fr !important;
  }
  .footer-inner { grid-template-columns: 1fr; }
  .scroll-top-btn {
    right: 12px;
    bottom: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  body::before,
  body::after {
    animation: none;
  }

  .brand-logo,
  .fx-reveal,
  .scroll-top-btn,
  .main-nav > a::before,
  .main-nav .nav-link::before,
  .main-nav a.cta::before {
    transition: none !important;
  }
}

/* Static-wide overrides (wider than WordPress templates) */
.page-main .sgsma-home-modern[data-sgsma-home-modern],
.page-main .sgsma-welcome-page[data-sgsma-welcome],
.page-main .sgsma-keynote-page[data-sgsma-keynotes],
.page-main .sgsma-registration-page[data-sgsma-registration],
.page-main .sgsma-venue-page[data-sgsma-venue],
.page-main .sgsma-sponsor-wrap[data-sgsma-sponsorship],
.page-main .sgsma-glance-wrap[data-sgsma-glance],
.page-main .sgsma-call-wrap[data-sgsma-call],
.page-main .sgsma-grant-wrap[data-sgsma-grant],
.page-main .sgsma-phd-wrap[data-sgsma-phd],
.page-main .sgsma-townhall-page[data-sgsma-townhall],
.page-main .sgsma-tutorial-wrap[data-sgsma-tutorial] {
  max-width: min(1680px, calc(100vw - 16px)) !important;
  margin-left: auto !important;
  margin-right: auto !important;
}

/* Remove WordPress widget card styling when served as full page */
.page-main [data-sgsma-v2],
.page-main [data-spv2],
.page-main [data-thv2],
.page-main [data-cfav2],
.page-main [data-ksv2],
.page-main [data-wsv2],
.page-main [data-pagv2],
.page-main [data-tutv2],
.page-main [data-cfpv2],
.page-main [data-phdv2],
.page-main [data-regv2],
.page-main [data-venv2],
.page-main [data-accv2],
.page-main [data-trnv2],
.page-main [data-prgv2],
.page-main [data-cmtv2],
.page-main [data-gstv2] {
  width: 100% !important;
  max-width: 100% !important;
  margin-left: 0 !important;
  margin-right: 0 !important;
  border-left: none !important;
  border-right: none !important;
  border-bottom: none !important;
  border-radius: 0 !important;
  box-shadow: none !important;
}