/* Organizers */
.cis-organizers {
  position: relative;
  z-index: 3;
  margin-top: -42px;
}

.cis-organizers__title {
  margin: 0 0 16px;
  color: var(--color-primary-deep);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  text-align: center;
  text-transform: uppercase;
}

.cis-organizers__panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-border);
  box-shadow: var(--shadow-md);
}

.cis-organizer-card {
  display: flex;
  min-width: 0;
  min-height: 152px;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 25px 28px;
  background: #fff;
  color: var(--color-text);
  text-align: center;
  text-decoration: none;
  transition: background-color var(--transition), color var(--transition);
}

a.cis-organizer-card:hover {
  background: #f5f9ff;
  color: var(--color-primary);
}

.cis-organizer-card__logo {
  display: grid;
  width: min(42%, 170px);
  flex: 0 0 auto;
  place-items: center;
}

.cis-organizer-card__logo img {
  width: 100%;
  max-height: 82px;
  object-fit: contain;
}

.cis-organizer-card__name {
  max-width: 330px;
  font-size: 0.82rem;
  font-weight: 750;
  line-height: 1.45;
}

/* Section cards */
.cis-sections__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.cis-section-card {
  --card-accent: var(--color-accent-blue);
  position: relative;
  min-width: 0;
  min-height: 390px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: 0 10px 30px rgba(16, 50, 116, 0.06);
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.cis-section-card::after {
  position: absolute;
  z-index: 0;
  right: -70px;
  bottom: -90px;
  width: 260px;
  height: 260px;
  border: 1px solid color-mix(in srgb, var(--card-accent), transparent 70%);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 0 35px color-mix(in srgb, var(--card-accent), transparent 94%), 0 0 0 70px color-mix(in srgb, var(--card-accent), transparent 97%);
  opacity: 0.5;
  transition: transform var(--transition), opacity var(--transition);
}

.cis-section-card--accent-2 { --card-accent: var(--color-accent-cyan); }
.cis-section-card--accent-3 { --card-accent: #277bb7; }
.cis-section-card--accent-4 { --card-accent: var(--color-accent-violet); }

.cis-section-card:hover {
  transform: translateY(-7px);
  border-color: color-mix(in srgb, var(--card-accent), #fff 45%);
  box-shadow: var(--shadow-card-hover);
}

.cis-section-card:hover::after {
  transform: scale(1.08);
  opacity: 0.85;
}

.cis-section-card:focus-within {
  box-shadow: 0 0 0 3px var(--color-focus), var(--shadow-card-hover);
}

.cis-section-card__link {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 390px;
  flex-direction: column;
  padding: 30px;
  color: inherit;
  text-decoration: none;
}

.cis-section-card__link:focus-visible {
  outline: 0;
}

.cis-section-card__number {
  margin-bottom: 42px;
  color: var(--card-accent);
  font-family: var(--font-heading);
  font-size: 3.6rem;
  line-height: 0.9;
}

.cis-section-card__icon {
  display: grid;
  width: 48px;
  height: 48px;
  margin-bottom: 23px;
  border: 1px solid color-mix(in srgb, var(--card-accent), #fff 60%);
  border-radius: 13px;
  background: color-mix(in srgb, var(--card-accent), #fff 91%);
  color: var(--card-accent);
  place-items: center;
}

.cis-section-card__icon .cis-icon {
  width: 24px;
  height: 24px;
}

.cis-section-card h3 {
  margin-bottom: 15px;
  font-family: var(--font-body);
  font-size: 1.12rem;
  font-weight: 850;
  line-height: 1.34;
}

.cis-section-card p {
  margin-bottom: 28px;
  color: var(--color-text-muted);
  font-size: 0.88rem;
  line-height: 1.58;
}

.cis-section-card__more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  color: var(--card-accent);
  font-size: 0.78rem;
  font-weight: 850;
}

.cis-section-card__more .cis-icon {
  transition: transform var(--transition);
}

.cis-section-card:hover .cis-section-card__more .cis-icon {
  transform: translateX(5px);
}

/* People */
.cis-slider-controls {
  display: none;
  align-items: center;
  gap: 10px;
}

.cis-people.is-overflowing .cis-slider-controls {
  display: flex;
}

.cis-slider-controls button {
  display: grid;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid var(--color-border-strong);
  border-radius: 11px;
  background: #fff;
  color: var(--color-primary-deep);
  cursor: pointer;
  place-items: center;
}

.cis-slider-controls button:disabled {
  opacity: 0.38;
  cursor: default;
}

.cis-slider-status {
  min-width: 54px;
  color: var(--color-text-muted);
  font-size: 0.78rem;
  font-weight: 750;
  text-align: center;
}

.cis-people__track {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.js .cis-people__track {
  display: flex;
  padding: 5px 4px 24px;
  overflow-x: auto;
  overflow-y: visible;
  scroll-snap-type: x mandatory;
  scrollbar-color: var(--color-border-strong) transparent;
  scrollbar-width: thin;
}

.js .cis-people__track .cis-person-card {
  min-width: calc((100% - 60px) / 4);
  scroll-snap-align: start;
}

.cis-person-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: 0 8px 26px rgba(18, 58, 125, 0.06);
  transition: transform var(--transition), box-shadow var(--transition);
}

.cis-person-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 18px 38px rgba(18, 58, 125, 0.12);
}

.cis-person-card__media {
  position: relative;
  aspect-ratio: 4 / 4.55;
  overflow: hidden;
  background: linear-gradient(145deg, #e7f1ff, #f7f9ff);
}

.cis-person-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cis-person-card__placeholder {
  display: grid;
  width: 100%;
  height: 100%;
  color: rgba(7, 58, 155, 0.26);
  place-items: center;
}

.cis-person-card__placeholder .cis-icon {
  width: 92px;
  height: 92px;
}

.cis-person-card__role {
  position: absolute;
  bottom: 16px;
  left: 16px;
  padding: 7px 11px;
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 8px;
  background: rgba(2, 29, 85, 0.86);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
}

.cis-person-card__body {
  padding: 22px 22px 24px;
}

.cis-person-card h3,
.cis-person-card h4 {
  margin-bottom: 10px;
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 850;
  line-height: 1.3;
}

.cis-person-card__position,
.cis-person-card__organization {
  margin-bottom: 8px;
  color: var(--color-text-muted);
  font-size: 0.84rem;
  line-height: 1.5;
}

.cis-person-card__organization {
  color: var(--color-text);
  font-weight: 700;
}

.cis-person-card__section {
  display: inline-block;
  margin-top: 10px;
  color: var(--color-primary);
  font-size: 0.77rem;
  font-weight: 800;
  line-height: 1.45;
  text-decoration: none;
}

/* Schedule */
.cis-schedule-tabs {
  display: none;
  gap: 9px;
  padding: 8px;
  margin-bottom: 28px;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  background: #eef5ff;
}

.js .cis-schedule-tabs {
  display: flex;
}

.cis-schedule-tabs a {
  flex: 1;
  padding: 14px 18px;
  border-radius: 11px;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
  transition: background-color var(--transition), color var(--transition), box-shadow var(--transition);
}

.cis-schedule-tabs a[aria-selected="true"] {
  background: #fff;
  color: var(--color-primary-deep);
  box-shadow: var(--shadow-sm);
}

.cis-schedule-panel + .cis-schedule-panel {
  margin-top: 46px;
}

.cis-schedule-panel__date {
  margin: 14px 0 20px;
  color: var(--color-primary-deep);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 850;
}

.cis-schedule.is-tabs-ready .cis-schedule-panel__date {
  display: none;
}

.cis-schedule-panel__items {
  display: grid;
  gap: 12px;
}

.cis-schedule-item {
  --schedule-accent: var(--color-accent-blue);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}

.cis-schedule-item:hover {
  transform: translateY(-2px);
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-sm);
}

.cis-schedule-item--section { --schedule-accent: var(--color-accent-violet); }
.cis-schedule-item--opening,
.cis-schedule-item--closing { --schedule-accent: var(--color-primary); }
.cis-schedule-item--break,
.cis-schedule-item--lunch { --schedule-accent: var(--color-accent-cyan); }
.cis-schedule-item--cultural { --schedule-accent: #b76620; }

.cis-schedule-item__time {
  display: flex;
  min-width: 180px;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 22px 20px;
  border-right: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--schedule-accent), #fff 94%);
  color: var(--color-primary-deep);
  white-space: nowrap;
}

.cis-schedule-item__time time {
  font-size: 1.05rem;
  font-weight: 850;
}

.cis-schedule-item__content {
  position: relative;
  min-width: 0;
  padding: 22px 25px;
}

.cis-schedule-item__content::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 4px;
  content: "";
  background: var(--schedule-accent);
}

.cis-schedule-item__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-bottom: 8px;
  color: var(--color-text-muted);
  font-size: 0.7rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.cis-schedule-item__meta a {
  color: var(--schedule-accent);
  text-decoration: none;
}

.cis-schedule-item h3,
.cis-schedule-item h4 {
  margin-bottom: 8px;
  font-family: var(--font-body);
  font-weight: 850;
  line-height: 1.35;
}

.cis-schedule-item__location {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.82rem;
}

.cis-schedule-item__location .cis-icon {
  margin-top: 2px;
}

/* Registration */
.cis-registration {
  padding-block: 0 clamp(76px, 8vw, 116px);
  background: var(--color-background);
}

.cis-registration__card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 25px;
  align-items: center;
  padding: clamp(28px, 4vw, 52px);
  overflow: hidden;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 90% 10%, rgba(17, 167, 196, 0.32), transparent 24%),
    linear-gradient(130deg, var(--color-primary-deep), var(--color-primary));
  color: rgba(255, 255, 255, 0.78);
  box-shadow: 0 25px 55px rgba(2, 29, 85, 0.2);
}

.cis-registration__card--upcoming {
  background: linear-gradient(130deg, #1d426f, #376fa9);
}

.cis-registration__card--closed {
  background: linear-gradient(130deg, #34445e, #53657f);
}

.cis-registration__icon {
  display: grid;
  width: 78px;
  height: 78px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  place-items: center;
}

.cis-registration__icon .cis-icon {
  width: 34px;
  height: 34px;
}

.cis-registration .cis-kicker {
  color: #8de7f6;
}

.cis-registration h2 {
  margin-bottom: 8px;
  color: #fff;
  font-size: clamp(2rem, 3vw, 3.2rem);
}

.cis-registration__content p:last-child {
  margin-bottom: 0;
}

/* Section page */
.cis-section-detail__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: clamp(42px, 6vw, 86px);
  align-items: start;
}

.cis-section-detail__main {
  min-width: 0;
}

.cis-section-description,
.cis-section-questions,
.cis-section-people-group,
.cis-section-speakers {
  margin-bottom: clamp(58px, 7vw, 92px);
}

.cis-section-description h2,
.cis-section-questions h2,
.cis-section-people-group h2,
.cis-section-speakers h2 {
  margin-bottom: 28px;
  font-size: clamp(2rem, 3.5vw, 3.2rem);
}

.cis-section-questions__list {
  display: grid;
  gap: 12px;
  padding: 0;
  counter-reset: section-question;
  list-style: none;
}

.cis-section-questions__item {
  position: relative;
  display: grid;
  min-height: 80px;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  padding: 17px 22px;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent-blue);
  border-radius: var(--radius-md);
  background: linear-gradient(90deg, #f3f8ff, #fff);
  color: #2d416d;
  counter-increment: section-question;
}

.cis-section-questions__item::before {
  display: grid;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #fff;
  color: var(--color-primary);
  box-shadow: 0 5px 16px rgba(7, 58, 155, 0.1);
  content: counter(section-question, decimal-leading-zero);
  font-family: var(--font-heading);
  font-size: 1rem;
  place-items: center;
}

.cis-section-people-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.cis-speaker-list {
  display: grid;
  gap: 14px;
}

.cis-speaker-row {
  display: grid;
  grid-template-columns: 104px minmax(190px, 0.85fr) minmax(260px, 1.15fr);
  gap: 22px;
  align-items: start;
  padding: 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: 0 8px 25px rgba(18, 58, 125, 0.05);
}

.cis-speaker-row__person img,
.cis-speaker-row__placeholder {
  width: 104px;
  height: 118px;
  border-radius: 12px;
  object-fit: cover;
}

.cis-speaker-row__placeholder {
  display: grid;
  background: #edf4ff;
  color: rgba(7, 58, 155, 0.3);
  place-items: center;
}

.cis-speaker-row__content h3 {
  margin-bottom: 8px;
  font-family: var(--font-body);
  font-size: 1.08rem;
  font-weight: 850;
}

.cis-speaker-row__content p,
.cis-speaker-row__report p {
  margin-bottom: 7px;
  color: var(--color-text-muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

.cis-speaker-row__organization,
.cis-speaker-row__report-title {
  color: var(--color-text) !important;
  font-weight: 750;
}

.cis-speaker-row__materials {
  display: flex;
  flex-wrap: wrap;
  gap: 9px 14px;
  margin-top: 13px;
}

.cis-speaker-row__materials a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 800;
  text-decoration: none;
}

.cis-section-venue {
  position: sticky;
  top: calc(var(--header-height) + 28px);
  padding: 26px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.admin-bar .cis-section-venue {
  top: calc(var(--header-height) + 60px);
}

.cis-section-venue h2 {
  margin-bottom: 22px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 850;
}

.cis-section-venue dl {
  display: grid;
  gap: 0;
  margin: 0 0 22px;
}

.cis-section-venue dl > div {
  padding-block: 14px;
  border-bottom: 1px solid var(--color-border);
}

.cis-section-venue dt {
  margin-bottom: 4px;
  color: var(--color-text-muted);
  font-size: 0.7rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.cis-section-venue dd {
  margin: 0;
  color: var(--color-text);
  font-weight: 700;
}

.cis-section-venue .cis-button {
  width: 100%;
}

.cis-section-back {
  margin: 0;
}

.cis-section-back .cis-text-link:hover .cis-icon {
  transform: translateX(-4px);
}


/* Version 1.1.1 additions */
.cis-schedule-panel__more {
  margin: 18px 0 0;
}

.cis-speaker-row__report-description > *:last-child {
  margin-bottom: 0;
}

.cis-speaker-row__report-description ul,
.cis-speaker-row__report-description ol {
  margin: 0 0 12px 1.25rem;
  color: var(--color-text-muted);
}

.cis-archive-notice {
  display: flex;
  width: fit-content;
  max-width: 100%;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  margin-bottom: 24px;
  padding: 10px 14px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.8);
  color: var(--color-text-muted);
  font-size: 0.86rem;
  font-weight: 700;
}

.cis-archive-notice a {
  font-weight: 800;
}

/* Public content pages introduced in 1.2.0. */
.cis-page-hero {
  position: relative;
  overflow: clip;
  padding-block: clamp(56px, 7vw, 92px);
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(circle at 85% 20%, rgba(19, 119, 232, 0.14), transparent 32%),
    linear-gradient(135deg, #f9fcff, #eef5ff);
}

.cis-page-hero::after {
  position: absolute;
  inset: 0;
  background-image: url("../images/section-pattern.svg");
  background-position: right center;
  background-repeat: no-repeat;
  background-size: min(48vw, 680px) auto;
  content: "";
  opacity: 0.18;
  pointer-events: none;
}

.cis-page-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 920px;
}

.cis-page-hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(2.6rem, 6vw, 5.6rem);
  line-height: 1.02;
}

.cis-page-hero__inner > p:last-child {
  max-width: 760px;
  margin: 20px 0 0;
  color: var(--color-text-muted);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
}

.cis-program-page,
.cis-participants-page,
.cis-registration-page {
  padding-block: clamp(52px, 7vw, 96px);
}

.cis-page-hero--sections-archive {
  padding-block: clamp(42px, 5vw, 70px);
}

.cis-page-hero--sections-archive .cis-archive-notice {
  width: fit-content;
  margin-top: 24px;
  margin-bottom: 0;
}

.cis-sections-archive {
  padding-block: clamp(52px, 7vw, 92px);
}

.cis-program-page__days {
  min-height: 0;
}

.cis-program-day .cis-schedule-item__description {
  margin-top: 14px;
}

.cis-schedule-item__online {
  margin: 14px 0 0;
}

.cis-participants-page__sections {
  display: grid;
  gap: clamp(56px, 7vw, 96px);
}

.cis-participant-section {
  scroll-margin-top: 110px;
}

.cis-participant-section__header {
  max-width: 1040px;
  margin-bottom: 34px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.cis-participant-section__header h2 {
  margin: 8px 0 0;
  font-size: clamp(1.8rem, 4vw, 3.25rem);
}

.cis-participant-section__header h2 a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-decoration-color: transparent;
  text-underline-offset: 0.15em;
}

.cis-participant-section__header h2 a:hover {
  color: var(--color-primary);
  text-decoration-color: currentColor;
}

.cis-participant-role + .cis-participant-role {
  margin-top: 44px;
}

.cis-participant-role > h3 {
  margin: 0 0 22px;
  color: var(--color-primary-deep);
  font-family: var(--font-body);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
}

.cis-participant-role__grid,
.cis-section-people__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.cis-person-card--directory,
.cis-person-card--section-role {
  height: 100%;
}

.cis-person-card--speaker {
  display: grid;
  grid-template-columns: minmax(220px, 0.35fr) minmax(0, 1fr);
  align-items: start;
}

.cis-person-card--speaker .cis-person-card__media {
  height: 100%;
  min-height: 320px;
}

.cis-person-card--speaker .cis-person-card__media img {
  height: 100%;
}

.cis-person-card__country,
.cis-person-card__report-title {
  margin: 10px 0 0;
}

.cis-person-card__country {
  color: var(--color-text-muted);
}

.cis-person-card__report-title {
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  color: var(--color-primary-deep);
  font-weight: 750;
}

.cis-person-card__report-description {
  margin-top: 14px;
}

.cis-person-card__materials {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 18px;
}

.cis-person-card__materials:empty {
  display: none;
}

.cis-person-card__materials a {
  font-size: 0.9rem;
  font-weight: 700;
}

.cis-registration-page__container {
  max-width: 1120px;
}

.cis-registration-form,
.cis-registration-status,
.cis-form-errors {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.cis-registration-form {
  padding: clamp(24px, 4vw, 48px);
}

.cis-registration-form__required-note {
  margin: 0 0 24px;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.cis-registration-form__grid {
  display: grid;
  gap: 22px;
  margin-bottom: 22px;
}

.cis-registration-form__grid--names {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.cis-registration-form__grid--contacts {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.cis-form-field {
  min-width: 0;
}

.cis-form-field label {
  display: block;
  margin-bottom: 8px;
  color: var(--color-primary-deep);
  font-weight: 750;
}

.cis-form-field input,
.cis-form-field select {
  width: 100%;
  min-height: 52px;
  padding: 12px 14px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--color-text);
  font: inherit;
  font-size: 1rem;
}

.cis-form-field input:focus,
.cis-form-field select:focus {
  border-color: var(--color-primary);
  outline: 3px solid rgba(19, 119, 232, 0.2);
  outline-offset: 1px;
}

.cis-form-field [aria-invalid="true"] {
  border-color: #b42318;
}

.cis-field-help,
.cis-field-error {
  margin: 7px 0 0;
  font-size: 0.875rem;
}

.cis-field-help {
  color: var(--color-text-muted);
}

.cis-field-error {
  color: #9b1c12;
  font-weight: 650;
}

.cis-field-error--form {
  margin: 0 0 20px;
}

.cis-registration-form__submit {
  margin-top: 28px;
}

.cis-form-errors {
  margin-bottom: 24px;
  padding: 22px 26px;
  border-color: rgba(180, 35, 24, 0.38);
  background: #fff7f6;
}

.cis-form-errors:focus {
  outline: 3px solid rgba(180, 35, 24, 0.25);
  outline-offset: 3px;
}

.cis-form-errors h2 {
  margin: 0 0 10px;
  font-family: var(--font-body);
  font-size: 1.15rem;
}

.cis-form-errors ul {
  margin: 0;
  padding-left: 22px;
}

.cis-registration-status {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: clamp(26px, 5vw, 48px);
}

.cis-registration-status h2 {
  margin: 0 0 8px;
}

.cis-registration-status p {
  margin: 0;
}

.cis-registration-status__icon {
  display: grid;
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  background: #e9f8f0;
  color: #137a4b;
}

.cis-honeypot {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

.cis-not-found {
  min-height: min(680px, 72vh);
  padding-block: clamp(64px, 9vw, 120px);
  background: linear-gradient(135deg, #f9fcff, #eef5ff);
}

.cis-not-found__inner {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(280px, 0.65fr);
  align-items: center;
  gap: clamp(30px, 7vw, 96px);
}

.cis-not-found__code {
  margin: 0;
  color: rgba(7, 58, 155, 0.12);
  font-family: var(--font-heading);
  font-size: clamp(7rem, 18vw, 15rem);
  line-height: 0.72;
}

.cis-not-found h1 {
  margin: 28px 0 18px;
  font-size: clamp(2.3rem, 5vw, 4.8rem);
}

.cis-not-found__content > p:not(.cis-not-found__code) {
  max-width: 620px;
  margin: 0 0 28px;
  color: var(--color-text-muted);
  font-size: 1.08rem;
}

.cis-not-found__links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  margin-top: 26px;
}

.cis-not-found__links a {
  font-weight: 700;
}

.cis-not-found__art {
  width: 100%;
  max-width: 620px;
  justify-self: end;
}

.cis-section-people,
.cis-section-speakers {
  margin-bottom: clamp(58px, 7vw, 92px);
  scroll-margin-top: 110px;
}

.cis-section-people h2,
.cis-section-speakers h2 {
  margin-bottom: 28px;
  font-size: clamp(2rem, 3.5vw, 3.2rem);
}

.cis-section-speakers__list {
  display: grid;
  gap: 24px;
}

/* Registration speaking choice and conditional topic. */
.cis-form-choice-group {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.cis-form-choice-group legend {
  margin-bottom: 10px;
  color: var(--color-primary-deep);
  font-weight: 750;
}

.cis-form-choice-group__options {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
}

.cis-form-choice {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  color: var(--color-text);
  font-weight: 650;
  cursor: pointer;
}

.cis-form-choice input[type="radio"] {
  width: 20px;
  min-height: 20px;
  height: 20px;
  margin: 0;
  padding: 0;
  accent-color: var(--color-primary);
}

.cis-form-choice input[type="radio"]:focus-visible {
  outline: 3px solid rgba(19, 119, 232, 0.24);
  outline-offset: 3px;
}

.cis-form-choice-group[aria-invalid="true"] {
  padding: 14px;
  border: 1px solid #b42318;
  border-radius: var(--radius-sm);
}

.cis-presentation-topic[hidden] {
  display: none;
}