:root {
  --ms-blue: #0078d4;
  --ms-blue-dark: #005a9e;
  --copilot-violet: #7c4dff;
  --ink: #1f1f1f;
  --muted: #605e5c;
  --line: #e3e8f5;
  --panel-soft: #f3f6ff;
  --panel-tint: #eef2ff;
  --accent-soft: #eef4ff;
  --disabled: #8a8886;
  --focus-ring: 0 0 0 3px rgba(0,120,212,.35);
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 10%, rgba(107,76,211,.18), transparent 40%),
    radial-gradient(circle at 85% 20%, rgba(0,120,212,.15), transparent 45%),
    radial-gradient(circle at 50% 100%, rgba(124,77,255,.12), transparent 50%),
    linear-gradient(180deg, #f6f8ff 0%, #ffffff 30%, #ffffff 100%);
  line-height: 1.5;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: 12px;
  z-index: 100;
  transform: translateY(-140%);
  background: #ffffff;
  color: var(--ms-blue-dark);
  border: 2px solid var(--ms-blue-dark);
  border-radius: 10px;
  padding: 10px 14px;
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  transform: translateY(0);
  box-shadow: var(--focus-ring);
}

a { color: var(--ms-blue-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(255,255,255,.95);
  border-bottom: 1px solid rgba(225,223,221,.95);
}

.nav-container,
.main-container,
.footer-container {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.nav-container {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo-container,
.footer-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.logo-line,
.footer-logo-line {
  width: 4px;
  height: 38px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--ms-blue-dark), #50b0ff);
  flex: 0 0 4px;
}

.logo-text,
.footer-logo-text {
  font-size: 14px;
  line-height: 1.2;
  color: #252423;
  font-weight: 600;
  letter-spacing: .1px;
}

.nav-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  color: #323130;
  background: rgba(255,255,255,.92);
  border: 1px solid var(--line);
  font-size: 14px;
  font-weight: 600;
}

.nav-links a:hover {
  text-decoration: none;
  border-color: rgba(0,120,212,.35);
  color: var(--ms-blue-dark);
  background: #fff;
}

.main-container { padding: 28px 0 60px; }

.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: stretch;
  margin-bottom: 24px;
}

.hero-card,
.hero-meta,
.about-section,
.session-box,
.quick-card,
.fit-panel,
.agenda-section {
  border-radius: 18px;
  background: #ffffff;
  border: 1px solid #d8def0;
}

.hero-card {
  position: relative;
  overflow: hidden;
  min-height: 420px;
  background: linear-gradient(135deg, rgba(0,120,212,.9), rgba(124,77,255,.85));
  display: flex;
  align-items: flex-end;
}

.hero-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.72) 0%, rgba(0,0,0,.48) 38%, rgba(0,0,0,.18) 68%, rgba(0,0,0,0) 100%);
}

.hero-panel {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 28px;
  color: #ffffff;
}

h1 {
  font-size: clamp(34px,4vw,44px);
  line-height: 1.15;
  margin: 6px 0 14px;
  letter-spacing: -.4px;
}

.eyebrow,
.section-kicker {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .7px;
  font-weight: 700;
  color: var(--ms-blue-dark);
  margin-bottom: 6px;
}

.hero-copy {
  font-size: 17px;
  line-height: 1.6;
  margin: 8px 0 18px;
  max-width: 680px;
}

.hero-cta {
  display: flex;
  gap: 12px;
  margin-top: 6px;
  flex-wrap: wrap;
}

.btn,
.register-btn,
.text-link-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  border: 1px solid var(--line);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--ms-blue-dark), var(--ms-blue));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 6px 16px rgba(0,90,158,.22);
}

.btn-secondary {
  background: #fff;
  color: var(--ms-blue-dark);
}

.register-btn {
  background: #ffffff;
  color: #252423;
  transition: background .18s ease, color .18s ease, border-color .18s ease, box-shadow .18s ease, transform .18s ease;
  gap: 8px;
}

.register-btn.primary {
  background: linear-gradient(135deg, var(--ms-blue-dark), var(--ms-blue));
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 6px 16px rgba(0,90,158,.22);
}

.register-btn.primary:hover {
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(0,90,158,.24);
}

.register-btn.primary .mode-dot.inperson {
  background: #ffffff;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,.92);
  box-shadow: none;
}

.register-btn.secondary {
  background: #ffffff;
  color: var(--ms-blue-dark);
  border-color: #d7deef;
  box-shadow: none;
}

.register-btn.secondary:hover {
  text-decoration: none;
  border-color: rgba(124,77,255,.30);
  box-shadow: 0 4px 12px rgba(31,41,55,.06);
  transform: translateY(-1px);
}

.hero-meta,
.about-section,
.agenda-section { padding: 24px; }

.hero-meta {
  background: linear-gradient(180deg, #ffffff, var(--panel-soft));
  border: 1px solid var(--line);
  box-shadow: 0 12px 30px rgba(31,41,55,.06);
}

.meta-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.meta-title { margin: 0; font-size: 18px; line-height: 1.2; color: #252423; }

.meta-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: #eef4ff;
  border: 1px solid #d8e6ff;
  color: var(--ms-blue-dark);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  align-items: stretch;
}

.quick-card {
  position: relative;
  padding: 16px 18px;
  background: linear-gradient(180deg, #ffffff, var(--panel-soft));
  border: 1px solid var(--line);
  box-shadow: 0 6px 18px rgba(31,41,55,.05);
  overflow: hidden;
}

.quick-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--copilot-violet), var(--ms-blue-dark));
}

.quick-label {
  display: block;
  color: #5b6476;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .55px;
  margin-bottom: 8px;
  padding-left: 4px;
}

.quick-value {
  font-size: clamp(18px, 1.8vw, 24px);
  font-weight: 700;
  line-height: 1.15;
  color: #1e2430;
  padding-left: 4px;
  text-wrap: balance;
}

.quick-subtext {
  margin-top: 8px;
  padding-left: 4px;
  color: #5f6779;
  font-size: 13px;
  line-height: 1.4;
}

.pill-row,
.foot-links,
.agenda-key {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.pill,
.agenda-key-item {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: #f5f8ff;
  border: 1px solid #dde6fb;
  color: #334155;
  font-size: 13px;
  font-weight: 600;
  gap: 8px;
}

.content-grid { display: block; margin-top: 18px; }

h2.section-title { font-size: 26px; margin: 4px 0 12px; line-height: 1.25; }
.about-text, .agenda-intro { margin: 10px 0 14px; font-size: 15.5px; line-height: 1.65; color: #3a3a3a; }
.agenda-intro { max-width: 78ch; }

.fit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 12px 0 8px;
}

.fit-panel { padding: 20px; }
.fit-heading { margin: 0 0 10px; font-size: 16px; line-height: 1.3; color: #252423; }
.fit-list, .agenda-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }

.fit-item {
  position: relative;
  padding: 12px 14px 12px 38px;
  background: #eef2ff;
  border: 1px solid #d7deef;
  border-radius: 14px;
  font-weight: 600;
  color: #222222;
  line-height: 1.45;
}

.fit-item::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  transform: translateY(-50%);
  background: linear-gradient(180deg, var(--ms-blue-dark), #58b6ff);
  box-shadow: 0 0 0 6px rgba(0,120,212,.14);
}

.session-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.session-header p { margin: 0; color: var(--muted); font-size: 15px; }

.legend {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #484644;
  font-weight: 600;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: #f7f9fc;
  border: 1px solid var(--line);
}

.session-list { display: grid; gap: 14px; margin-top: 8px; }

.session-box {
  position: relative;
  padding: 20px;
  background: linear-gradient(180deg, #ffffff, var(--panel-soft));
}

.session-box + .session-box::before {
  content: "";
  position: absolute;
  top: -8px;
  left: 8px;
  right: 8px;
  height: 1px;
  background: linear-gradient(90deg, transparent, #e6ebf7, transparent);
}

.session-top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.session-name { margin: 0; font-size: 21px; line-height: 1.15; color: #252423; }

.session-badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--panel-tint);
  border: 1px solid rgba(0,120,212,.16);
  color: var(--ms-blue-dark);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .3px;
  white-space: nowrap;
}

.session-meta { display: grid; gap: 6px; color: #484644; font-size: 15px; margin-bottom: 16px; }
.session-meta-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.meta-icon { width: 22px; text-align: center; opacity: .85; }
.btn-group { display: flex; flex-wrap: wrap; gap: 10px; }

.register-btn[aria-disabled="true"],
.register-btn.is-disabled {
  color: #60656f;
  background: #f3f5f8;
  border-color: #dde3ea;
  box-shadow: none;
  pointer-events: none;
}

.register-btn.is-disabled .mode-dot.inperson,
.register-btn[aria-disabled="true"] .mode-dot.inperson {
  background: var(--ms-blue-dark);
  border: none;
  box-shadow: 0 0 0 4px rgba(0,120,212,.10);
  opacity: .55;
}

.register-btn.is-disabled .mode-dot.virtual,
.register-btn[aria-disabled="true"] .mode-dot.virtual {
  background: var(--copilot-violet);
  border: none;
  box-shadow: 0 0 0 4px rgba(124,77,255,.12);
  opacity: .55;
}

.register-btn.is-disabled .mode-dot.closed,
.register-btn[aria-disabled="true"] .mode-dot.closed {
  background: var(--disabled);
  box-shadow: 0 0 0 4px rgba(138,136,134,.12);
}

.mode-dot { width: 12px; height: 12px; display: inline-block; flex: 0 0 12px; }
.mode-dot.inperson { background: var(--ms-blue-dark); border-radius: 50%; border: none; box-shadow: 0 0 0 4px rgba(0,120,212,.12); }
.register-btn.secondary .mode-dot.inperson { background: var(--ms-blue-dark); border: none; box-shadow: 0 0 0 4px rgba(0,120,212,.10); }
.mode-dot.virtual { background: var(--copilot-violet); border-radius: 50%; border: none; box-shadow: 0 0 0 4px rgba(124,77,255,.14); }
.mode-dot.closed { background: var(--disabled); border-radius: 50%; box-shadow: 0 0 0 4px rgba(138,136,134,.12); }
.legend .mode-dot.inperson { background: var(--ms-blue-dark); border: none; box-shadow: 0 0 0 4px rgba(0,120,212,.12); }
.legend .mode-dot.virtual { background: var(--copilot-violet); border: none; box-shadow: 0 0 0 4px rgba(124,77,255,.14); }

.subtle-note {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 16px;
  background: var(--accent-soft);
  border: 1px solid var(--line);
  color: #3b3f45;
  font-size: 14.5px;
  line-height: 1.6;
}

.outcome-box {
  margin: 18px 0 22px;
  padding: 18px 20px;
  border-radius: 16px;
  background: linear-gradient(180deg, #ffffff, var(--panel-soft));
  border: 1px solid var(--line);
  box-shadow: 0 6px 18px rgba(31,41,55,.05);
}

.outcome-title {
  display: block;
  margin-bottom: 10px;
  font-size: 16px;
  line-height: 1.3;
  color: #1e2430;
}

.expect-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.expect-item {
  position: relative;
  padding: 12px 14px 12px 38px;
  background: #eef2ff;
  border: 1px solid #d7deef;
  border-radius: 14px;
  font-weight: 600;
  color: #222222;
  line-height: 1.45;
}

.expect-item::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  transform: translateY(-50%);
  background: linear-gradient(180deg, var(--copilot-violet), var(--ms-blue-dark));
  box-shadow: 0 0 0 6px rgba(124,77,255,.10);
}

.agenda-accordion { display: grid; gap: 14px; margin-top: 16px; }

.agenda-details {
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  background: linear-gradient(180deg, #ffffff, var(--panel-soft));
  box-shadow: 0 6px 18px rgba(31,41,55,.05);
}

.agenda-summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 18px;
  background: linear-gradient(135deg, rgba(0,120,212,.08), rgba(124,77,255,.10));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.agenda-summary::-webkit-details-marker { display: none; }
.agenda-summary-left { display: grid; gap: 6px; }

.agenda-day-label {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  background: #ffffff;
  border: 1px solid #dbe6fb;
  color: var(--ms-blue-dark);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  width: fit-content;
}

.agenda-day-title { margin: 0; font-size: 20px; line-height: 1.2; color: #1e2430; }

.agenda-chevron {
  width: 18px;
  height: 18px;
  border-right: 2px solid var(--ms-blue-dark);
  border-bottom: 2px solid var(--ms-blue-dark);
  transform: rotate(45deg);
  transition: transform .2s ease;
  margin-right: 6px;
  flex: 0 0 18px;
}

.agenda-details[open] .agenda-chevron { transform: rotate(225deg); margin-top: 8px; }
.agenda-list { padding: 10px 0; }

.agenda-item {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 12px;
  padding: 12px 18px;
  align-items: start;
}

.agenda-item + .agenda-item { border-top: 1px solid #edf1f8; }
.agenda-time { font-size: 12px; line-height: 1.35; font-weight: 700; color: var(--ms-blue-dark); letter-spacing: .2px; }
.agenda-title { font-size: 14px; line-height: 1.45; color: #252423; font-weight: 600; }
.agenda-title.module { color: #1f3b68; }
.agenda-title.lab { color: #5b3cc4; }
.agenda-title.break { color: #605e5c; }
.agenda-title.interactive { color: #0f6c52; }
.agenda-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; flex: 0 0 10px; }
.agenda-dot.module { background: #1f5fbf; }
.agenda-dot.lab { background: #7c4dff; }
.agenda-dot.break { background: #8a8886; }
.agenda-dot.interactive { background: #0f6c52; }

.footer {
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer-container {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 18px 0;
}

.footer-copyright { font-size: 13px; color: var(--muted); }

@media (max-width: 900px) {
  .fit-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .meta-header { align-items: flex-start; flex-direction: column; }
  .nav-container { padding: 12px 0; align-items: start; flex-direction: column; }
  .nav-links { width: 100%; }
  .nav-links a { min-height: 38px; }
  .quick-grid { grid-template-columns: 1fr; }
  .legend { width: 100%; }
  .hero-card,
  .hero-meta,
  .about-section,
  .session-box,
  .fit-panel,
  .agenda-section { padding: 20px; border-radius: 18px; }
  .hero-card { min-height: 420px; background-position: center top; }
  .hero-panel { padding: 22px; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .btn, .register-btn, .text-link-chip { width: 100%; }
  .session-top, .session-header, .footer-container { align-items: start; }
  h1 { font-size: 30px; letter-spacing: -.5px; }
  .about-text, .agenda-intro { font-size: 15px; }
  .agenda-summary { align-items: start; }
  .agenda-item { grid-template-columns: 1fr; gap: 4px; }
}