:root {
  --navy: #10243F;
  --navy2: #1C3A5E;
  --blue: #3E6FA8;
  --steel: #6B97CC;
  --amber: #E0A12B;
  --amberd: #B97F12;
  --red: #C0392B;
  --green: #2E8B6B;
  --ink: #1B2A41;
  --mut: #6B7A90;
  --card: #F4F7FB;
  --line: #DDE5EF;
  --white: #fff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, .serif { font-family: Georgia, 'Times New Roman', serif; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 22px; }

/* Buttons */
.btn {
  display: inline-block;
  background: var(--amber);
  color: var(--navy);
  font-weight: 700;
  text-decoration: none;
  padding: 16px 30px;
  border-radius: 8px;
  font-size: 17px;
  border: 0;
  cursor: pointer;
  transition: transform .12s, box-shadow .12s;
  box-shadow: 0 6px 18px rgba(224, 161, 43, .35);
}
.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(224, 161, 43, .45);
}
.btn:disabled, .btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}
.btn-outline {
  display: inline-block;
  background: transparent;
  color: var(--blue);
  font-weight: 700;
  text-decoration: none;
  padding: 12px 22px;
  border-radius: 8px;
  font-size: 15px;
  border: 2px solid var(--blue);
  cursor: pointer;
  transition: all .15s;
}
.btn-outline:hover {
  background: var(--blue);
  color: #fff;
}
.btn-sm {
  padding: 10px 18px;
  font-size: 14px;
}

/* Hero */
.hero {
  background: linear-gradient(160deg, #0c1d35 0%, #10243F 55%, #1C3A5E 100%);
  color: #fff;
  padding: 46px 0 60px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .03);
  right: -160px;
  top: -150px;
}
.hero .wrap { position: relative; z-index: 2; }
.hero-logo {
  height: 48px;
  width: auto;
  margin-bottom: 16px;
  display: block;
  filter: brightness(0) invert(1);
}
.hero h1 {
  font-size: 48px;
  line-height: 1.1;
  margin: 10px 0 14px;
  letter-spacing: -.5px;
}
.hero .sub {
  font-size: 19px;
  color: #CBD8EA;
  max-width: 760px;
}
.hero .amber { color: var(--amber); }
.eyebrow {
  color: var(--amberd);
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-size: 13px;
  margin-bottom: 10px;
}

/* Section */
section { padding: 48px 0; }
.alt { background: var(--card); }
h2 {
  font-size: 33px;
  color: var(--navy);
  margin-bottom: 8px;
  line-height: 1.15;
}
.lead {
  color: var(--mut);
  font-size: 17px;
  max-width: 760px;
  margin-bottom: 22px;
}

/* Step indicator */
.steps-bar {
  display: flex;
  gap: 0;
  margin-bottom: 32px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.step-indicator {
  flex: 1;
  padding: 14px 20px;
  text-align: center;
  font-weight: 700;
  font-size: 14px;
  color: var(--mut);
  background: var(--card);
  position: relative;
  transition: all .3s;
}
.step-indicator.active {
  background: var(--navy);
  color: #fff;
}
.step-indicator.completed {
  background: var(--green);
  color: #fff;
}
.step-indicator .step-num {
  display: inline-flex;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(255,255,255,.2);
  align-items: center;
  justify-content: center;
  font-size: 13px;
  margin-right: 8px;
}
.step-indicator.active .step-num,
.step-indicator.completed .step-num {
  background: rgba(255,255,255,.25);
}

/* Form card */
.formcard {
  background: #fff;
  border-radius: 14px;
  padding: 32px 28px;
  box-shadow: 0 8px 32px rgba(16, 36, 63, .08);
  border: 1px solid var(--line);
  max-width: 520px;
  margin: 0 auto;
}
.formcard h3 {
  color: var(--navy);
  font-size: 22px;
  margin-bottom: 4px;
  text-align: center;
}
.formcard .fsub {
  color: var(--mut);
  font-size: 13.5px;
  text-align: center;
  margin-bottom: 18px;
}
.form-group { margin-bottom: 14px; }
.form-group label {
  display: block;
  font-size: 13px;
  color: var(--mut);
  font-weight: 600;
  margin-bottom: 5px;
}
.form-group input {
  width: 100%;
  padding: 13px 14px;
  border: 1.5px solid var(--line);
  border-radius: 8px;
  font-size: 15px;
  background: #fff;
  color: var(--ink);
  transition: border-color .2s, box-shadow .2s;
}
.form-group input:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(62, 111, 168, .15);
}
.form-group input.error {
  border-color: var(--red);
}
.form-error {
  color: var(--red);
  font-size: 12px;
  margin-top: 4px;
  display: none;
}
.form-error.visible { display: block; }

/* Event badges row */
.event-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}
.badge-platform {
  background: rgba(107, 151, 204, .12);
  color: var(--steel);
}

/* Appointment section */
.appointment-section {
  margin-top: 40px;
}
.appointment-divider {
  border-top: 2px solid var(--line);
  margin-bottom: 28px;
}

/* Event cards */
.events-grid {
  display: grid;
  gap: 18px;
}
.event-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 4px 16px rgba(16, 36, 63, .05);
  position: relative;
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s;
}
.event-card.selectable {
  cursor: pointer;
}
.event-card.selectable:hover {
  border-color: var(--blue);
  box-shadow: 0 6px 24px rgba(62, 111, 168, .12);
}
.event-card.disabled {
  opacity: 0.55;
  cursor: not-allowed;
}
.event-card.disabled:hover {
  border-color: var(--line);
  box-shadow: 0 4px 16px rgba(16, 36, 63, .05);
}

/* Full overlay */
.event-card .full-overlay {
  display: none;
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 2;
}
.event-card.is-full .full-overlay {
  display: block;
}
.event-card .full-banner {
  position: absolute;
  top: 22px;
  right: -38px;
  background: var(--red);
  color: #fff;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 6px 50px;
  transform: rotate(45deg);
  z-index: 3;
  box-shadow: 0 2px 8px rgba(192, 57, 43, .3);
}

.event-card h3 {
  font-size: 20px;
  color: var(--navy);
  margin-bottom: 8px;
  padding-right: 30px;
}
.event-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 14px;
  color: var(--mut);
  margin-bottom: 12px;
}
.event-meta span { display: flex; align-items: center; gap: 5px; }
.event-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.badge-online {
  background: rgba(62, 111, 168, .12);
  color: var(--blue);
}
.badge-in-person {
  background: rgba(46, 139, 107, .12);
  color: var(--green);
}
.badge-completed {
  background: rgba(107, 122, 144, .12);
  color: var(--mut);
}
.event-desc {
  font-size: 14px;
  color: var(--mut);
  margin-top: 8px;
  line-height: 1.5;
}
.event-presenters {
  font-size: 13px;
  color: var(--ink);
  margin-top: 8px;
}
.event-presenters strong { color: var(--navy); }
.event-address {
  font-size: 13px;
  color: var(--mut);
  margin-top: 6px;
}
.event-select-btn {
  margin-top: 14px;
}

/* Map embed */
.map-container {
  margin-top: 12px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.map-container iframe {
  width: 100%;
  height: 200px;
  border: 0;
}

/* Appointment section */
.appointment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}
.appointment-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  box-shadow: 0 4px 16px rgba(16, 36, 63, .05);
  transition: border-color .2s, box-shadow .2s;
  display: flex;
  flex-direction: column;
}
.appointment-card:hover {
  border-color: var(--blue);
  box-shadow: 0 6px 24px rgba(62, 111, 168, .12);
}
.appt-icon {
  font-size: 32px;
  margin-bottom: 12px;
}
.appointment-card h3 {
  font-size: 17px;
  color: var(--navy);
  margin-bottom: 6px;
}
.appointment-card p {
  font-size: 13px;
  color: var(--mut);
  margin-bottom: 14px;
  flex: 1;
}

/* Loading/spinner */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255,255,255,.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin .7s ease-in-out infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--mut);
}
.loading-state .spinner {
  width: 36px;
  height: 36px;
  border-color: var(--line);
  border-top-color: var(--blue);
  margin-bottom: 14px;
}

/* Error/success alerts */
.alert {
  padding: 14px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  display: none;
}
.alert.visible { display: block; }
.alert-error {
  background: #FBEBE8;
  border: 1px solid #f1cfc9;
  color: #7A2E25;
}
.alert-success {
  background: #E8F5EF;
  border: 1px solid #B8DFC9;
  color: #1A5E3A;
}
.alert-info {
  background: #EBF2FA;
  border: 1px solid #C5D9EF;
  color: var(--navy2);
}

/* Confirmation page */
.confirm-hero {
  background: linear-gradient(160deg, #0c1d35 0%, #10243F 55%, #1C3A5E 100%);
  color: #fff;
  padding: 46px 0 50px;
  text-align: center;
}
.confirm-hero .check-circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--green);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.confirm-hero .check-circle svg {
  width: 32px;
  height: 32px;
  fill: #fff;
}
.confirm-hero h1 {
  font-size: 36px;
  margin-bottom: 8px;
}
.confirm-hero p {
  color: #CBD8EA;
  font-size: 17px;
}

.confirm-details {
  max-width: 680px;
  margin: -30px auto 0;
  position: relative;
  z-index: 2;
}
.detail-card {
  background: #fff;
  border-radius: 14px;
  padding: 28px;
  box-shadow: 0 8px 32px rgba(16, 36, 63, .1);
  border: 1px solid var(--line);
  margin-bottom: 20px;
}
.detail-card h2 {
  font-size: 24px;
  margin-bottom: 16px;
}
.detail-row {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
}
.detail-row:last-child { border-bottom: 0; }
.detail-label {
  font-weight: 700;
  color: var(--navy);
  min-width: 120px;
  flex-shrink: 0;
}
.detail-value { color: var(--ink); }
.detail-value a { color: var(--blue); }

.join-link-box {
  background: rgba(62, 111, 168, .08);
  border: 1px solid rgba(62, 111, 168, .2);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  margin: 20px 0;
}
.join-link-box .label {
  font-size: 13px;
  color: var(--mut);
  font-weight: 600;
  margin-bottom: 8px;
}

/* Calendar buttons */
.cal-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}
.cal-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--line);
  color: var(--ink);
  background: #fff;
  cursor: pointer;
  transition: all .15s;
}
.cal-btn:hover {
  border-color: var(--blue);
  color: var(--blue);
}

/* Footer */
footer {
  background: #0b1a2e;
  color: #9FB3CC;
  padding: 34px 0;
  font-size: 12.5px;
}
footer p { max-width: 920px; }
footer a { color: #CBD8EA; }

/* No events message */
.no-events {
  text-align: center;
  padding: 40px 20px;
  color: var(--mut);
  font-size: 15px;
}

/* Hidden */
.hidden { display: none !important; }

/* Responsive */
@media (max-width: 880px) {
  .hero h1 { font-size: 32px; }
  h2 { font-size: 26px; }
  .steps-bar { flex-direction: column; }
  .formcard { padding: 24px 18px; }
  .detail-row { flex-direction: column; gap: 4px; }
  .detail-label { min-width: auto; }
  .cal-buttons { flex-direction: column; }
}

@media (max-width: 480px) {
  .hero { padding: 30px 0 40px; }
  .hero h1 { font-size: 26px; }
  .tabs { overflow-x: auto; }
  .tab { padding: 10px 16px; font-size: 13px; white-space: nowrap; }
  .event-card { padding: 18px; }
  .appointment-grid { grid-template-columns: 1fr; }
}