/* CARLA 2021 visual system
   Built for the Latin America High Performance Computing Conference archive.
   Naming prefix: c21 (site specific). */

:root {
  --c21-ink: #0c1f2c;
  --c21-navy: #002d4b;
  --c21-navy-soft: #0d3554;
  --c21-blue: #1a6ea6;
  --c21-teal: #0a8ba8;
  --c21-teal-dark: #07708a;
  --c21-cyan: #6fc7df;
  --c21-purple: #6b3b9a;
  --c21-violet: #5b4aa6;
  --c21-magenta: #a63fa8;
  --c21-coral: #e8685a;
  --c21-coral-dark: #c94f43;
  --c21-mist: #f2f7f9;
  --c21-paper: #ffffff;
  --c21-line: #d6e3ea;
  --c21-line-strong: #b9ced9;
  --c21-text: #2d404d;
  --c21-muted: #5d7280;
  --c21-footer: #0e1c2a;
  --c21-radius: 12px;
  --c21-radius-sm: 6px;
  --c21-container: 1180px;
  --c21-font: "Quicksand", "Trebuchet MS", sans-serif;
  --c21-font-label: "Archivo Narrow", "Arial Narrow", sans-serif;
  --c21-font-program: "Pragati Narrow", "Arial Narrow", sans-serif;

  --bulma-family-primary: var(--c21-font);
  --bulma-family-secondary: var(--c21-font);
  --bulma-body-background-color: var(--c21-paper);
  --bulma-body-color: var(--c21-text);
  --bulma-radius: var(--c21-radius);
  --bulma-radius-small: var(--c21-radius-sm);
  --bulma-primary: var(--c21-teal);
  --bulma-link: var(--c21-teal-dark);
  --bulma-text: var(--c21-text);
  --bulma-title-color: var(--c21-ink);
  --bulma-strong-color: var(--c21-ink);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--c21-paper);
  color: var(--c21-text);
  font-family: var(--c21-font);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: 0.005em;
  overflow-x: clip;
}

img,
svg,
video {
  max-width: 100%;
  height: auto;
}

img {
  display: block;
}

a {
  color: var(--c21-teal-dark);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--c21-purple);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--c21-coral);
  outline-offset: 3px;
}

button {
  font: inherit;
}

h1,
h2,
h3,
h4,
h5 {
  margin: 0 0 0.65em;
  color: var(--c21-ink);
  font-family: var(--c21-font);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.015em;
}

h1 {
  font-size: clamp(2.35rem, 5.2vw, 4.35rem);
  line-height: 1.02;
}

h2 {
  font-size: clamp(1.85rem, 3.4vw, 2.9rem);
}

h3 {
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  line-height: 1.25;
}

h4 {
  font-size: 1.08rem;
  line-height: 1.35;
}

p {
  margin: 0 0 1.1em;
}

ul,
ol {
  margin: 0 0 1.2em;
  padding-left: 1.2em;
}

li {
  margin-bottom: 0.4em;
}

strong {
  color: var(--c21-ink);
  font-weight: 600;
}

small {
  font-size: 0.84rem;
}

hr {
  border: 0;
  border-top: 1px solid var(--c21-line);
  margin: 2.4rem 0;
}

::selection {
  background: rgba(232, 104, 90, 0.28);
  color: var(--c21-ink);
}

.c21-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--c21-ink);
  color: #fff;
  padding: 0.8rem 1.2rem;
  font-family: var(--c21-font-label);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  text-decoration: none;
}

.c21-skip:focus {
  left: 1rem;
  top: 1rem;
}

.c21-container {
  width: min(100% - 2.5rem, var(--c21-container));
  margin-inline: auto;
}

.c21-container--narrow {
  width: min(100% - 2.5rem, 860px);
  margin-inline: auto;
}

.c21-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 0.9rem;
  color: var(--c21-teal-dark);
  font-family: var(--c21-font-label);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.c21-eyebrow::before {
  content: "";
  width: 2.2rem;
  height: 2px;
  flex: 0 0 auto;
  background: linear-gradient(90deg, var(--c21-teal), var(--c21-purple));
}

.c21-eyebrow--light {
  color: #9fdfea;
}

.c21-eyebrow--light::before {
  background: linear-gradient(90deg, #9fdfea, #d1b3e6);
}

.c21-lead {
  max-width: 63ch;
  color: var(--c21-text);
  font-size: 1.12rem;
  line-height: 1.75;
}

.c21-muted {
  color: var(--c21-muted);
}

.c21-gradient-text {
  background: linear-gradient(100deg, var(--c21-teal) 0%, var(--c21-blue) 45%, var(--c21-purple) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.c21-rule {
  height: 4px;
  width: 100%;
  background: linear-gradient(90deg, var(--c21-teal), var(--c21-blue) 55%, var(--c21-purple));
}

/* Buttons */
.c21-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 46px;
  padding: 0.8rem 1.25rem;
  border: 1px solid transparent;
  border-radius: 0;
  background: transparent;
  color: var(--c21-navy);
  font-family: var(--c21-font-label);
  font-size: 0.79rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  line-height: 1.2;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease;
}

.c21-btn svg {
  flex: 0 0 auto;
}

.c21-btn--primary {
  background: linear-gradient(100deg, var(--c21-teal) 0%, var(--c21-blue) 48%, var(--c21-purple) 100%);
  color: #fff;
}

.c21-btn--primary:hover {
  color: #fff;
  background: linear-gradient(100deg, var(--c21-teal-dark) 0%, var(--c21-blue) 48%, #552f7d 100%);
}

.c21-btn--secondary {
  border-color: var(--c21-navy);
  background: transparent;
  color: var(--c21-navy);
}

.c21-btn--secondary:hover {
  background: var(--c21-navy);
  color: #fff;
}

.c21-btn--ghost {
  border-color: rgba(255, 255, 255, 0.48);
  color: #fff;
}

.c21-btn--ghost:hover {
  border-color: #fff;
  background: #fff;
  color: var(--c21-navy);
}

.c21-btn--light {
  background: #fff;
  color: var(--c21-navy);
}

.c21-btn--light:hover {
  background: var(--c21-cyan);
  color: var(--c21-navy);
}

.c21-btn--sm {
  min-height: 38px;
  padding: 0.55rem 0.9rem;
  font-size: 0.72rem;
}

.c21-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.c21-text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--c21-teal-dark);
  font-family: var(--c21-font-label);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

.c21-text-link:hover {
  color: var(--c21-purple);
}

/* Utility bar */
.c21-utility {
  position: relative;
  z-index: 80;
  background: var(--c21-navy);
  color: #d7e7f0;
  font-family: var(--c21-font-label);
  font-size: 0.72rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.c21-utility__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 38px;
  padding-block: 0.35rem;
}

.c21-utility p {
  margin: 0;
}

.c21-utility__edition {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: #fff;
}

.c21-utility__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c21-coral);
  box-shadow: 0 0 0 3px rgba(232, 104, 90, 0.2);
}

.c21-utility__meta {
  display: flex;
  gap: 0.6rem;
  color: #b9d1de;
}

.c21-search-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border: 0;
  background: transparent;
  color: #fff;
  font-family: inherit;
  font-size: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  cursor: pointer;
  padding: 0.35rem 0;
}

.c21-search-toggle:hover {
  color: var(--c21-cyan);
}

.c21-search-panel {
  padding: 0 0 1rem;
}

.c21-search-panel[hidden] {
  display: none;
}

.c21-search-panel form {
  display: flex;
  gap: 0.5rem;
  max-width: 640px;
}

.c21-search-panel input {
  flex: 1 1 auto;
  min-width: 0;
  border: 1px solid #3f6480;
  border-radius: 0;
  background: #0b3a5a;
  color: #fff;
  padding: 0.7rem 0.9rem;
  font-family: var(--c21-font);
  font-size: 0.95rem;
  letter-spacing: 0;
  text-transform: none;
}

.c21-search-panel input::placeholder {
  color: #9fbacb;
}

.c21-search-panel button {
  border: 0;
  background: var(--c21-coral);
  color: #fff;
  padding: 0.7rem 1rem;
  font-family: var(--c21-font-label);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
}

/* Header */
.c21-header {
  position: sticky;
  top: 0;
  z-index: 70;
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--c21-line);
}

.c21-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  min-height: 84px;
}

.c21-brand {
  display: block;
  flex: 0 1 390px;
  max-width: 390px;
  text-decoration: none;
}

.c21-brand img {
  width: 100%;
  height: auto;
}

.c21-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex: 1 1 auto;
}

.c21-nav__list {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.05rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.c21-nav__item {
  position: relative;
  margin: 0;
}

.c21-nav__link,
.c21-nav__toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.65rem 0.62rem;
  border: 0;
  background: transparent;
  color: var(--c21-navy);
  font-family: var(--c21-font-label);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  line-height: 1.2;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: color 160ms ease;
}

.c21-nav__link:hover,
.c21-nav__toggle:hover,
.c21-nav__link.is-active,
.c21-nav__toggle.is-active {
  color: var(--c21-teal-dark);
}

.c21-nav__link.is-active {
  box-shadow: inset 0 -2px 0 var(--c21-teal);
}

.c21-nav__toggle::after {
  content: "";
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform 160ms ease;
}

.c21-nav__item.is-open > .c21-nav__toggle::after {
  transform: rotate(225deg) translateY(-2px);
}

.c21-nav__dropdown {
  position: absolute;
  top: calc(100% + 0.4rem);
  left: 0;
  z-index: 90;
  display: none;
  min-width: 270px;
  margin: 0;
  padding: 0.5rem;
  list-style: none;
  background: #fff;
  border: 1px solid var(--c21-line);
  border-top: 3px solid var(--c21-teal);
  border-radius: 0 0 var(--c21-radius) var(--c21-radius);
}

.c21-nav__item.is-open > .c21-nav__dropdown {
  display: block;
}

.c21-nav__dropdown li {
  margin: 0;
}

.c21-nav__dropdown a {
  display: block;
  padding: 0.55rem 0.7rem;
  color: var(--c21-text);
  font-family: var(--c21-font);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1.35;
  text-transform: none;
  text-decoration: none;
}

.c21-nav__dropdown a:hover {
  background: var(--c21-mist);
  color: var(--c21-teal-dark);
}

.c21-nav__cta {
  margin-left: 0.35rem;
  padding: 0.7rem 1rem;
  background: var(--c21-ink);
  color: #fff;
  text-decoration: none;
}

.c21-nav__cta:hover {
  background: var(--c21-teal-dark);
  color: #fff;
}

.c21-nav-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--c21-line-strong);
  background: #fff;
  color: var(--c21-navy);
  font-family: var(--c21-font-label);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
}

.c21-nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 18px;
}

.c21-nav-toggle__bars span {
  display: block;
  height: 2px;
  background: currentColor;
}

/* Hero */
.c21-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(2.2rem, 5vw, 4.6rem) 0 clamp(2.8rem, 7vw, 6rem);
  background:
    radial-gradient(circle at 82% 18%, rgba(111, 199, 223, 0.22), transparent 34%),
    radial-gradient(circle at 12% 84%, rgba(107, 59, 154, 0.12), transparent 32%),
    linear-gradient(180deg, #fbfdfe 0%, #f2f7f9 100%);
}

.c21-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../img/circuit.svg");
  background-size: 320px 320px;
  opacity: 0.55;
  pointer-events: none;
  mask-image: linear-gradient(100deg, transparent 0%, #000 38%, #000 76%, transparent 100%);
  -webkit-mask-image: linear-gradient(100deg, transparent 0%, #000 38%, #000 76%, transparent 100%);
}

.c21-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.c21-hero__copy h1 {
  max-width: 19ch;
  margin-bottom: 0.55em;
}

.c21-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 1.1rem;
  padding: 0.38rem 0.7rem;
  border: 1px solid rgba(10, 139, 168, 0.35);
  background: rgba(255, 255, 255, 0.72);
  color: var(--c21-teal-dark);
  font-family: var(--c21-font-label);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.c21-hero__kicker span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c21-coral);
}

.c21-hero__poster {
  position: relative;
  justify-self: end;
  width: min(100%, 390px);
  padding: 0.75rem;
  background: #fff;
  border: 1px solid var(--c21-line);
  border-radius: var(--c21-radius);
}

.c21-hero__poster::before {
  content: "";
  position: absolute;
  inset: -0.65rem -0.65rem auto auto;
  width: 5.2rem;
  height: 5.2rem;
  border-top: 2px solid var(--c21-coral);
  border-right: 2px solid var(--c21-coral);
  border-radius: 0 var(--c21-radius) 0 0;
}

.c21-hero__poster img {
  width: 100%;
  border-radius: calc(var(--c21-radius) - 4px);
}

.c21-hero__poster figcaption {
  margin-top: 0.65rem;
  color: var(--c21-muted);
  font-family: var(--c21-font-label);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
}

.c21-hero__note {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  max-width: 58ch;
  margin-top: 1.3rem;
  color: var(--c21-muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

.c21-hero__note svg {
  flex: 0 0 auto;
  margin-top: 0.2rem;
  color: var(--c21-coral);
}

/* Date rail */
.c21-date-rail {
  border-top: 1px solid var(--c21-line);
  border-bottom: 1px solid var(--c21-line);
  background: #fff;
}

.c21-date-rail__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.c21-date-rail__item {
  padding: 1.15rem 1.3rem;
  border-left: 1px solid var(--c21-line);
}

.c21-date-rail__item:first-child {
  border-left: 0;
}

.c21-date-rail__item.is-accent {
  background: #fff7f5;
}

.c21-date-rail__label {
  display: block;
  margin-bottom: 0.2rem;
  color: var(--c21-muted);
  font-family: var(--c21-font-label);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.c21-date-rail__value {
  color: var(--c21-navy);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.35;
}

.c21-date-rail__item.is-accent .c21-date-rail__label {
  color: var(--c21-coral-dark);
}

/* Sections */
.c21-section {
  padding: clamp(3.2rem, 6.5vw, 6rem) 0;
}

.c21-section--mist {
  background: var(--c21-mist);
}

.c21-section--tight {
  padding-top: clamp(2.2rem, 4vw, 3.2rem);
}

.c21-section--dark {
  position: relative;
  overflow: hidden;
  background: var(--c21-navy);
  color: #dbe8f0;
}

.c21-section--dark::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../img/circuit.svg");
  background-size: 320px 320px;
  opacity: 0.35;
  pointer-events: none;
}

.c21-section--dark > * {
  position: relative;
  z-index: 1;
}

.c21-section--dark h2,
.c21-section--dark h3,
.c21-section--dark h4 {
  color: #fff;
}

.c21-section--dark a {
  color: #9fdfea;
}

.c21-section--dark a:hover {
  color: #fff;
}

.c21-section--dark .c21-lead,
.c21-section--dark p {
  color: #c6d9e4;
}

.c21-section__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: clamp(1.6rem, 3vw, 2.6rem);
}

.c21-section__head h2 {
  max-width: 20ch;
  margin-bottom: 0;
}

.c21-section__head .c21-lead {
  margin-bottom: 0;
}

.c21-section__aside {
  flex: 0 0 auto;
}

.c21-grid {
  display: grid;
  gap: 1.35rem;
}

.c21-grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.c21-grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.c21-grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.c21-grid--auto {
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}

.c21-stack {
  display: grid;
  gap: 1.1rem;
}

/* Cards */
.c21-card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 1.45rem;
  background: #fff;
  border: 1px solid var(--c21-line);
  border-radius: var(--c21-radius);
  transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.c21-card:hover {
  border-color: var(--c21-teal);
  transform: translateY(-2px);
}

.c21-card--accent {
  border-top: 4px solid var(--c21-purple);
}

.c21-card--teal {
  border-top: 4px solid var(--c21-teal);
}

.c21-card--coral {
  border-top: 4px solid var(--c21-coral);
}

.c21-card--dark {
  background: var(--c21-navy);
  border-color: #2c4a63;
  color: #dbe8f0;
}

.c21-card--dark h3,
.c21-card--dark h4 {
  color: #fff;
}

.c21-card--dark p,
.c21-card--dark li {
  color: #c6d9e4;
}

.c21-card__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  align-self: flex-start;
  margin-bottom: 0.85rem;
  padding: 0.22rem 0.5rem;
  border: 1px solid rgba(10, 139, 168, 0.28);
  background: #eef8fb;
  color: var(--c21-teal-dark);
  font-family: var(--c21-font-label);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.c21-card__tag--coral {
  border-color: rgba(232, 104, 90, 0.35);
  background: #fff1ee;
  color: var(--c21-coral-dark);
}

.c21-card__tag--purple {
  border-color: rgba(107, 59, 154, 0.28);
  background: #f4eff9;
  color: var(--c21-purple);
}

.c21-card h3 {
  margin-bottom: 0.45em;
}

.c21-card h3 a {
  color: inherit;
  text-decoration: none;
}

.c21-card h3 a:hover {
  color: var(--c21-teal-dark);
}

.c21-card p:last-child,
.c21-card ul:last-child {
  margin-bottom: 0;
}

.c21-card__meta {
  margin-top: auto;
  padding-top: 1rem;
  color: var(--c21-muted);
  font-family: var(--c21-font-label);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.c21-card__footer {
  margin-top: auto;
  padding-top: 1.1rem;
}

.c21-card__icon {
  width: 64px;
  height: 64px;
  margin-bottom: 1rem;
  object-fit: contain;
}

.c21-card__icon--lg {
  width: 84px;
  height: 84px;
}

.c21-card__number {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--c21-teal);
  font-family: var(--c21-font-program);
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1;
}

.c21-card--dark .c21-card__number {
  color: #9fdfea;
}

.c21-fact {
  padding: 1.25rem 1.3rem;
  background: #fff;
  border-left: 3px solid var(--c21-teal);
}

.c21-fact:nth-child(2n) {
  border-left-color: var(--c21-purple);
}

.c21-fact:nth-child(3n) {
  border-left-color: var(--c21-coral);
}

.c21-fact strong {
  display: block;
  color: var(--c21-ink);
  font-size: 1.6rem;
  font-weight: 600;
  line-height: 1.1;
}

.c21-fact span {
  display: block;
  margin-top: 0.35rem;
  color: var(--c21-muted);
  font-family: var(--c21-font-label);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Speaker cards and profiles */
.c21-speaker {
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  padding: 1.4rem 1rem 1.2rem;
  background: #fff;
  border: 1px solid var(--c21-line);
  border-radius: var(--c21-radius);
  text-align: center;
  transition: border-color 180ms ease, transform 180ms ease;
}

.c21-speaker:hover {
  border-color: var(--c21-teal);
  transform: translateY(-2px);
}

.c21-speaker__photo {
  width: 104px;
  height: 104px;
  margin-bottom: 0.9rem;
  border: 3px solid #bfe6ef;
  border-radius: 50%;
  object-fit: cover;
  background: var(--c21-mist);
}

.c21-speaker__initials {
  display: grid;
  place-items: center;
  width: 104px;
  height: 104px;
  margin-bottom: 0.9rem;
  border: 3px solid #bfe6ef;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c21-teal) 0%, var(--c21-blue) 55%, var(--c21-purple) 100%);
  color: #fff;
  font-family: var(--c21-font-label);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.c21-speaker__name {
  margin: 0 0 0.25em;
  color: var(--c21-ink);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.25;
}

.c21-speaker__name a {
  color: inherit;
  text-decoration: none;
}

.c21-speaker__name a:hover {
  color: var(--c21-teal-dark);
}

.c21-speaker__role {
  margin: 0;
  color: var(--c21-muted);
  font-size: 0.84rem;
  line-height: 1.45;
}

.c21-speaker__tag {
  margin-top: 0.6rem;
  color: var(--c21-teal-dark);
  font-family: var(--c21-font-label);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.c21-profile {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  padding: clamp(1.5rem, 3vw, 2.4rem) 0;
  border-top: 1px solid var(--c21-line);
}

.c21-profile:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.c21-profile__media {
  align-self: start;
}

.c21-profile__photo {
  width: 100%;
  max-width: 190px;
  aspect-ratio: 1;
  border: 4px solid #bfe6ef;
  border-radius: 50%;
  object-fit: cover;
  background: var(--c21-mist);
}

.c21-profile__initials {
  display: grid;
  place-items: center;
  width: 100%;
  max-width: 190px;
  aspect-ratio: 1;
  border: 4px solid #bfe6ef;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c21-teal) 0%, var(--c21-blue) 55%, var(--c21-purple) 100%);
  color: #fff;
  font-family: var(--c21-font-label);
  font-size: 3rem;
  font-weight: 700;
}

.c21-profile__body h2 {
  margin-bottom: 0.2em;
  font-size: clamp(1.45rem, 2.4vw, 1.9rem);
}

.c21-profile__affiliation {
  margin-bottom: 0.9rem;
  color: var(--c21-teal-dark);
  font-family: var(--c21-font-label);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.c21-profile__body p {
  line-height: 1.78;
}

.c21-profile__link {
  margin-top: 0.6rem;
}

/* Program */
.c21-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.6rem;
  border-bottom: 1px solid var(--c21-line);
}

.c21-tab {
  padding: 0.7rem 1rem;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--c21-muted);
  font-family: var(--c21-font-label);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
}

.c21-tab:hover {
  color: var(--c21-teal-dark);
}

.c21-tab[aria-selected="true"] {
  color: var(--c21-ink);
  border-bottom-color: var(--c21-teal);
}

.c21-tab-panel[hidden] {
  display: none;
}

.c21-session {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 1.2rem;
  padding: 1.15rem 0;
  border-top: 1px solid var(--c21-line);
}

.c21-session:first-child {
  border-top: 0;
}

.c21-session__time {
  color: var(--c21-navy);
  font-family: var(--c21-font-program);
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.25;
}

.c21-session__body h3 {
  margin-bottom: 0.25em;
  font-size: 1.08rem;
  line-height: 1.35;
}

.c21-session__body p {
  margin-bottom: 0.5em;
  font-size: 0.94rem;
}

.c21-session__papers {
  margin: 0.5rem 0 0;
  padding-left: 1.1rem;
  color: var(--c21-muted);
  font-size: 0.92rem;
}

.c21-session__papers li {
  margin-bottom: 0.28em;
}

.c21-badge {
  display: inline-block;
  margin-bottom: 0.4rem;
  padding: 0.18rem 0.45rem;
  border-radius: 2px;
  background: #e6f4f8;
  color: var(--c21-teal-dark);
  font-family: var(--c21-font-label);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.c21-badge--keynote {
  background: #f1e9f8;
  color: var(--c21-purple);
}

.c21-badge--invited {
  background: #e6f4f8;
  color: var(--c21-teal-dark);
}

.c21-badge--panel {
  background: #ece9f8;
  color: var(--c21-violet);
}

.c21-badge--sponsor {
  background: #e8effa;
  color: #2d5f9e;
}

.c21-badge--poster {
  background: #f8e9f7;
  color: var(--c21-magenta);
}

.c21-badge--workshop {
  background: #e9f6ef;
  color: #2f7a53;
}

.c21-badge--tutorial {
  background: #e6f4f8;
  color: var(--c21-teal-dark);
}

.c21-badge--track {
  background: #e8eef3;
  color: var(--c21-navy);
}

.c21-badge--break {
  background: #f2f2f2;
  color: #5c5c5c;
}

.c21-glance {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
  align-items: start;
}

.c21-glance__day {
  background: #fff;
  border: 1px solid var(--c21-line);
  border-radius: var(--c21-radius);
  padding: 1.1rem;
}

.c21-glance__day h2 {
  margin-bottom: 0.9rem;
  padding-bottom: 0.65rem;
  border-bottom: 2px solid var(--c21-line);
  font-family: var(--c21-font-program);
  font-size: 1.25rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.c21-glance__item {
  padding: 0.7rem 0.8rem;
  margin-bottom: 0.55rem;
  border-left: 4px solid var(--c21-teal);
  background: var(--c21-mist);
  border-radius: 0 var(--c21-radius-sm) var(--c21-radius-sm) 0;
}

.c21-glance__item:last-child {
  margin-bottom: 0;
}

.c21-glance__item.is-keynote {
  border-left-color: var(--c21-purple);
}

.c21-glance__item.is-panel {
  border-left-color: var(--c21-violet);
}

.c21-glance__item.is-sponsor {
  border-left-color: #2d5f9e;
}

.c21-glance__item.is-poster {
  border-left-color: var(--c21-magenta);
}

.c21-glance__item.is-special {
  border-left-color: #7a3c74;
}

.c21-glance__time {
  display: block;
  color: var(--c21-muted);
  font-family: var(--c21-font-program);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.c21-glance__title {
  display: block;
  color: var(--c21-ink);
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.35;
}

.c21-glance__meta {
  display: block;
  margin-top: 0.2rem;
  color: var(--c21-muted);
  font-size: 0.8rem;
  line-height: 1.4;
}

/* Prose and notices */
.c21-prose {
  max-width: 74ch;
  font-size: 1.01rem;
  line-height: 1.8;
}

.c21-prose h2 {
  margin-top: 1.8em;
}

.c21-prose h3 {
  margin-top: 1.5em;
}

.c21-prose > :first-child {
  margin-top: 0;
}

.c21-prose ul,
.c21-prose ol {
  padding-left: 1.25em;
}

.c21-prose li {
  margin-bottom: 0.45em;
}

.c21-prose--wide {
  max-width: none;
}

.c21-note {
  margin: 1.5rem 0;
  padding: 1rem 1.2rem;
  background: #fff7f5;
  border: 1px solid #f3cdc7;
  border-left: 4px solid var(--c21-coral);
  border-radius: var(--c21-radius-sm);
  color: #4b3633;
  font-size: 0.94rem;
  line-height: 1.65;
}

.c21-note strong {
  color: #3d2724;
}

.c21-note--info {
  background: #eef8fb;
  border-color: #c7e6ef;
  border-left-color: var(--c21-teal);
  color: #28434e;
}

.c21-note--info strong {
  color: #16333d;
}

.c21-kicker-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.c21-kicker-list li {
  margin: 0;
  padding: 0.3rem 0.55rem;
  border: 1px solid var(--c21-line);
  background: #fff;
  color: var(--c21-muted);
  font-family: var(--c21-font-label);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.c21-two-col {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.c21-aside-card {
  padding: 1.4rem;
  background: #fff;
  border: 1px solid var(--c21-line);
  border-top: 4px solid var(--c21-teal);
  border-radius: var(--c21-radius);
}

.c21-aside-card h2,
.c21-aside-card h3 {
  font-size: 1.15rem;
}

.c21-aside-card ul {
  margin-bottom: 0;
}

.c21-meta-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.c21-meta-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px dashed var(--c21-line);
  font-size: 0.9rem;
}

.c21-meta-list li:last-child {
  border-bottom: 0;
}

.c21-meta-list span:first-child {
  color: var(--c21-muted);
  font-family: var(--c21-font-label);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.c21-meta-list span:last-child {
  color: var(--c21-ink);
  font-weight: 600;
  text-align: right;
}

/* Page hero */
.c21-page-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(2.2rem, 5vw, 4rem) 0 clamp(2rem, 4vw, 3.2rem);
  background:
    radial-gradient(circle at 88% 12%, rgba(111, 199, 223, 0.22), transparent 36%),
    linear-gradient(180deg, #fbfdfe 0%, #f2f7f9 100%);
  border-bottom: 1px solid var(--c21-line);
}

.c21-page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../img/circuit.svg");
  background-size: 320px 320px;
  opacity: 0.35;
  pointer-events: none;
  mask-image: linear-gradient(90deg, transparent 0%, #000 45%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 45%, transparent 100%);
}

.c21-page-hero > * {
  position: relative;
  z-index: 1;
}

.c21-page-hero h1 {
  max-width: 22ch;
  margin-bottom: 0.35em;
  font-size: clamp(2.1rem, 4.5vw, 3.5rem);
}

.c21-page-hero .c21-lead {
  margin-bottom: 1.1rem;
}

.c21-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  color: var(--c21-muted);
  font-family: var(--c21-font-label);
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.c21-breadcrumb a {
  color: var(--c21-muted);
  text-decoration: none;
}

.c21-breadcrumb a:hover {
  color: var(--c21-teal-dark);
}

.c21-breadcrumb span[aria-current="page"] {
  color: var(--c21-ink);
}

/* Forms */
.c21-field {
  margin-bottom: 1rem;
}

.c21-label {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--c21-ink);
  font-family: var(--c21-font-label);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.c21-input,
.c21-select,
.c21-textarea {
  width: 100%;
  border: 1px solid var(--c21-line-strong);
  border-radius: 2px;
  background: #fff;
  color: var(--c21-text);
  padding: 0.75rem 0.9rem;
  font-family: var(--c21-font);
  font-size: 0.98rem;
  line-height: 1.5;
}

.c21-input:focus,
.c21-select:focus,
.c21-textarea:focus {
  border-color: var(--c21-teal);
  outline: 3px solid rgba(232, 104, 90, 0.28);
  outline-offset: 1px;
}

.c21-textarea {
  min-height: 140px;
  resize: vertical;
}

/* Search */
.c21-search-hero {
  background: var(--c21-navy);
  color: #dbe8f0;
  padding: 2.4rem 0;
}

.c21-search-hero h1 {
  color: #fff;
}

.c21-search-form {
  display: flex;
  gap: 0.6rem;
  max-width: 680px;
  margin-top: 1rem;
}

.c21-search-form input {
  flex: 1 1 auto;
  min-width: 0;
  border: 1px solid #4d718b;
  border-radius: 0;
  background: #0b3a5a;
  color: #fff;
  padding: 0.85rem 1rem;
  font-family: var(--c21-font);
  font-size: 1rem;
}

.c21-search-form input::placeholder {
  color: #9fbacb;
}

.c21-search-results {
  margin-top: 1.2rem;
}

.c21-search-result {
  padding: 1rem 0;
  border-top: 1px solid var(--c21-line);
}

.c21-search-result:first-child {
  border-top: 0;
}

.c21-search-result h2 {
  margin-bottom: 0.2em;
  font-size: 1.25rem;
}

.c21-search-result h2 a {
  text-decoration: none;
}

.c21-search-result p {
  margin-bottom: 0.2em;
  color: var(--c21-muted);
  font-size: 0.94rem;
}

.c21-search-result span {
  color: var(--c21-teal-dark);
  font-family: var(--c21-font-label);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Sponsors and organizers */
.c21-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
}

.c21-logo-chip {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--c21-line);
  background: #fff;
  color: var(--c21-navy);
  font-family: var(--c21-font-label);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
}

.c21-logo-chip:hover {
  border-color: var(--c21-teal);
  color: var(--c21-teal-dark);
}

.c21-section--dark .c21-logo-chip {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.22);
  color: #fff;
}

.c21-section--dark .c21-logo-chip:hover {
  border-color: #9fdfea;
  color: #9fdfea;
}

/* Call to action band */
.c21-cta {
  position: relative;
  overflow: hidden;
  padding: clamp(2.6rem, 5vw, 4.5rem) 0;
  background: linear-gradient(110deg, #063a55 0%, #0a6f88 45%, #5a2f82 100%);
  color: #fff;
}

.c21-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../img/circuit.svg");
  background-size: 320px 320px;
  opacity: 0.4;
  pointer-events: none;
}

.c21-cta > * {
  position: relative;
  z-index: 1;
}

.c21-cta h2 {
  max-width: 22ch;
  color: #fff;
}

.c21-cta p {
  max-width: 62ch;
  color: #d7e7f0;
}

/* Footer */
.c21-footer {
  position: relative;
  overflow: hidden;
  background: var(--c21-footer);
  color: #c7d7e2;
  padding: clamp(2.6rem, 5vw, 4.2rem) 0 1.4rem;
  font-size: 0.92rem;
}

.c21-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("../img/circuit.svg");
  background-size: 320px 320px;
  opacity: 0.2;
  pointer-events: none;
}

.c21-footer > * {
  position: relative;
  z-index: 1;
}

.c21-footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr) minmax(0, 1fr);
  gap: clamp(2rem, 4vw, 3.5rem);
}

.c21-footer__brand img {
  width: 200px;
  height: auto;
  margin-bottom: 1rem;
}

.c21-footer__brand p {
  max-width: 38ch;
  color: #a9c0cf;
  line-height: 1.65;
}

.c21-footer h2 {
  margin-bottom: 0.9rem;
  color: #fff;
  font-family: var(--c21-font-label);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.c21-footer ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.c21-footer li {
  margin-bottom: 0.42rem;
}

.c21-footer a {
  color: #c7d7e2;
  text-decoration: none;
}

.c21-footer a:hover {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.c21-footer__address {
  font-style: normal;
  line-height: 1.65;
  color: #a9c0cf;
}

.c21-footer__address strong {
  color: #fff;
  font-weight: 600;
}

.c21-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2.2rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  color: #8fa9ba;
  font-family: var(--c21-font-label);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.c21-footer__bottom a {
  color: #c7d7e2;
}

/* Utility classes */
.c21-mt-0 { margin-top: 0; }
.c21-mt-1 { margin-top: 0.6rem; }
.c21-mt-2 { margin-top: 1.2rem; }
.c21-mt-3 { margin-top: 2rem; }
.c21-mb-0 { margin-bottom: 0; }
.c21-mb-1 { margin-bottom: 0.6rem; }
.c21-mb-2 { margin-bottom: 1.2rem; }
.c21-mb-3 { margin-bottom: 2rem; }
.c21-center { text-align: center; }
.c21-nowrap { white-space: nowrap; }
.c21-hr {
  height: 1px;
  border: 0;
  background: var(--c21-line);
  margin: 2rem 0;
}

/* Responsive */
@media (max-width: 1120px) {
  .c21-nav__link,
  .c21-nav__toggle {
    padding-inline: 0.5rem;
    font-size: 0.72rem;
  }

  .c21-brand {
    flex-basis: 330px;
  }
}

@media (max-width: 1024px) {
  .c21-nav-toggle {
    display: inline-flex;
  }

  .c21-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    max-height: calc(100vh - 122px);
    overflow-y: auto;
    padding: 0.8rem 1.25rem 1.4rem;
    background: #fff;
    border-top: 1px solid var(--c21-line);
    border-bottom: 1px solid var(--c21-line);
  }

  .c21-nav.is-open {
    display: block;
  }

  .c21-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .c21-nav__item {
    border-bottom: 1px solid var(--c21-line);
  }

  .c21-nav__link,
  .c21-nav__toggle {
    display: flex;
    justify-content: space-between;
    width: 100%;
    padding: 0.85rem 0.2rem;
    font-size: 0.82rem;
  }

  .c21-nav__link.is-active {
    box-shadow: none;
  }

  .c21-nav__dropdown {
    position: static;
    display: none;
    min-width: 0;
    padding: 0 0 0.6rem 0.9rem;
    border: 0;
    border-left: 2px solid var(--c21-line);
    border-radius: 0;
  }

  .c21-nav__item.is-open > .c21-nav__dropdown {
    display: block;
  }

  .c21-nav__cta {
    justify-content: center;
    margin: 1rem 0 0;
  }

  .c21-hero__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .c21-hero__poster {
    justify-self: start;
    width: min(100%, 340px);
  }

  .c21-grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .c21-glance {
    grid-template-columns: 1fr;
  }

  .c21-footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .c21-footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 820px) {
  .c21-date-rail__grid {
    grid-template-columns: 1fr;
  }

  .c21-date-rail__item {
    border-left: 0;
    border-top: 1px solid var(--c21-line);
  }

  .c21-date-rail__item:first-child {
    border-top: 0;
  }

  .c21-grid--3,
  .c21-grid--2 {
    grid-template-columns: 1fr;
  }

  .c21-section__head {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .c21-two-col {
    grid-template-columns: 1fr;
  }

  .c21-profile {
    grid-template-columns: 1fr;
  }

  .c21-profile__media {
    max-width: 170px;
  }

  .c21-profile__photo,
  .c21-profile__initials {
    max-width: 170px;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 16px;
  }

  .c21-utility__inner {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.3rem 1rem;
    text-align: center;
  }

  .c21-utility__meta {
    display: none;
  }

  .c21-header__inner {
    min-height: 68px;
    gap: 0.7rem;
  }

  .c21-brand {
    flex-basis: 250px;
    max-width: 250px;
  }

  .c21-hero {
    padding-top: 1.8rem;
  }

  .c21-hero__copy h1 {
    max-width: none;
  }

  .c21-actions {
    align-items: stretch;
  }

  .c21-actions .c21-btn {
    width: 100%;
  }

  .c21-grid--4 {
    grid-template-columns: 1fr;
  }

  .c21-session {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }

  .c21-session__time {
    font-size: 0.95rem;
  }

  .c21-footer__grid {
    grid-template-columns: 1fr;
  }

  .c21-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .c21-search-form {
    flex-direction: column;
  }

  .c21-search-panel form {
    flex-direction: column;
  }

  .c21-profile__body h2 {
    font-size: 1.4rem;
  }

  .c21-tabs {
    gap: 0.2rem;
  }

  .c21-tab {
    padding: 0.6rem 0.65rem;
    font-size: 0.72rem;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .c21-utility,
  .c21-header,
  .c21-footer,
  .c21-cta,
  .c21-search-toggle {
    display: none !important;
  }

  body {
    color: #000;
    font-size: 12pt;
  }

  a {
    color: #000;
    text-decoration: none;
  }
}

@media (hover: hover) and (min-width: 1025px) {
  .c21-nav__item:hover > .c21-nav__dropdown {
    display: block;
  }

  .c21-nav__item:hover > .c21-nav__toggle::after {
    transform: rotate(225deg) translateY(-2px);
  }
}

.c21-role-title {
  display: block;
  margin: 0 0 0.8rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--c21-line);
  color: var(--c21-teal-dark);
  font-family: var(--c21-font-label);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.c21-role-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.c21-role-list li {
  margin: 0;
  padding: 0.55rem 0;
  border-bottom: 1px dashed var(--c21-line);
}

.c21-role-list li:last-child {
  border-bottom: 0;
}

.c21-role-list strong {
  display: block;
  color: var(--c21-ink);
  font-size: 0.98rem;
  font-weight: 600;
  line-height: 1.35;
}

.c21-role-list span {
  display: block;
  margin-top: 0.12rem;
  color: var(--c21-muted);
  font-size: 0.84rem;
  line-height: 1.45;
}

.c21-page-cta {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: start;
}

.c21-page-cta .c21-grid {
  grid-template-columns: 1fr;
}

.c21-timeline {
  position: relative;
  margin-top: 1rem;
  padding-left: 1.4rem;
  border-left: 2px solid var(--c21-line);
}

.c21-timeline__item {
  position: relative;
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 1.4rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--c21-line);
}

.c21-timeline__item:last-child {
  border-bottom: 0;
}

.c21-timeline__item::before {
  content: "";
  position: absolute;
  left: -1.86rem;
  top: 1.55rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c21-teal);
}

.c21-timeline__year {
  color: var(--c21-purple);
  font-family: var(--c21-font-program);
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1.2;
}

.c21-timeline h3 {
  margin-bottom: 0.15em;
  font-size: 1.15rem;
}

@media (max-width: 820px) {
  .c21-page-cta {
    grid-template-columns: 1fr;
  }
}

.c21-people {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 1rem;
}

.c21-person {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.55rem;
  padding: 1rem 0.7rem;
  border: 1px solid var(--c21-line);
  border-radius: var(--c21-radius);
  background: #fff;
  text-align: center;
  text-decoration: none;
  transition: border-color 180ms ease, transform 180ms ease;
}

a.c21-person:hover {
  border-color: var(--c21-teal);
  transform: translateY(-2px);
}

.c21-person__photo,
.c21-person__initials {
  width: 82px;
  height: 82px;
  border: 3px solid #bfe6ef;
  border-radius: 50%;
  object-fit: cover;
  background: var(--c21-mist);
}

.c21-person__initials {
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--c21-teal) 0%, var(--c21-blue) 55%, var(--c21-purple) 100%);
  color: #fff;
  font-family: var(--c21-font-label);
  font-size: 1.25rem;
  font-weight: 700;
}

.c21-person__name {
  color: var(--c21-ink);
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.3;
}

.c21-person__tag {
  color: var(--c21-muted);
  font-family: var(--c21-font-label);
  font-size: 0.62rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.c21-hero__grid > *,
.c21-grid > *,
.c21-two-col > *,
.c21-footer__grid > *,
.c21-page-cta > *,
.c21-glance > *,
.c21-profile > *,
.c21-timeline__item > *,
.c21-date-rail__grid > *,
.c21-search-form > *,
.c21-utility__inner > * {
  min-width: 0;
}

.c21-hero__poster,
.c21-hero__poster img,
.c21-card img,
.c21-profile img,
.c21-person img {
  max-width: 100%;
}

h1,
h2,
h3,
h4,
p,
li,
a,
span {
  overflow-wrap: break-word;
}

a.c21-card,
a.c21-card:hover,
a.c21-card h2,
a.c21-card h3,
a.c21-card h4 {
  text-decoration: none;
}

a.c21-card h2,
a.c21-card h3,
a.c21-card h4 {
  color: var(--c21-ink);
}

a.c21-card:hover h2,
a.c21-card:hover h3,
a.c21-card:hover h4 {
  color: var(--c21-teal-dark);
}

.c21-badge--special {
  background: #fff1ee;
  color: var(--c21-coral-dark);
}

/* ============================================================
   Layout revision: editorial masthead, poster led hero,
   rail sections, board style calls and split footer.
   These rules intentionally override the first layout pass.
   ============================================================ */

/* Masthead: centered brand above a centered navigation row */
.c21-header {
  position: sticky;
  top: 0;
  z-index: 70;
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--c21-line);
}

.c21-header__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "brand toggle"
    "nav nav";
  gap: 0;
  min-height: 0;
}

.c21-brand {
  grid-area: brand;
  justify-self: center;
  flex: 0 1 auto;
  width: min(100%, 430px);
  max-width: 430px;
  padding: 1.25rem 0 1.1rem;
}

.c21-nav-toggle {
  grid-area: toggle;
  align-self: center;
}

.c21-nav {
  grid-area: nav;
  justify-content: center;
  border-top: 1px solid var(--c21-line);
}

.c21-nav__list {
  justify-content: center;
  padding: 0.15rem 0;
}

.c21-nav__cta {
  margin-left: 0.6rem;
  background: var(--c21-coral-dark);
}

.c21-nav__cta:hover {
  background: var(--c21-ink);
}

.c21-header.is-compact .c21-brand {
  display: none;
}

.c21-header.is-compact .c21-header__inner {
  grid-template-columns: 1fr;
  grid-template-areas: "nav";
}

.c21-header.is-compact .c21-nav {
  border-top: 0;
}

/* Poster led dark hero */
.c21-hero {
  padding: clamp(2.4rem, 5vw, 4.4rem) 0 clamp(4.8rem, 8vw, 7rem);
  background:
    radial-gradient(circle at 82% 18%, rgba(111, 199, 223, 0.24), transparent 34%),
    radial-gradient(circle at 14% 86%, rgba(166, 63, 168, 0.18), transparent 34%),
    linear-gradient(118deg, #002d4b 0%, #063a55 54%, #241a3f 100%);
  color: #dbe8f0;
}

.c21-hero::before {
  opacity: 0.3;
  mask-image: linear-gradient(100deg, transparent 0%, #000 34%, #000 82%, transparent 100%);
  -webkit-mask-image: linear-gradient(100deg, transparent 0%, #000 34%, #000 82%, transparent 100%);
}

.c21-hero__grid {
  grid-template-columns: minmax(260px, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}

.c21-hero__poster {
  order: -1;
  justify-self: start;
  width: min(100%, 350px);
  padding: 0.7rem;
  background: #fff;
  border-color: rgba(255, 255, 255, 0.22);
}

.c21-hero__poster figcaption {
  color: #b9d1de;
}

.c21-hero__copy h1 {
  max-width: 20ch;
  color: #fff;
}

.c21-hero__copy .c21-lead {
  color: #c6d9e4;
}

.c21-hero__kicker {
  border-color: rgba(159, 223, 234, 0.35);
  background: rgba(255, 255, 255, 0.08);
  color: #9fdfea;
}

.c21-hero__note,
.c21-hero__note p {
  color: #a9c0cf;
}

.c21-hero .c21-btn--secondary {
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
}

.c21-hero .c21-btn--secondary:hover {
  border-color: #fff;
  background: #fff;
  color: var(--c21-navy);
}

/* Floating date and venue rail */
.c21-date-rail {
  position: relative;
  z-index: 3;
  margin-top: -2.6rem;
  border: 0;
  background: transparent;
}

.c21-date-rail__grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--c21-line);
  border-top: 4px solid var(--c21-teal);
  border-radius: var(--c21-radius);
  background: #fff;
}

.c21-date-rail__item {
  padding: 1.2rem 1.4rem;
}

/* Editorial split sections */
.c21-editorial {
  display: grid;
  grid-template-columns: minmax(240px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}

.c21-editorial__rail h2 {
  max-width: 14ch;
}

.c21-editorial__rail .c21-actions {
  margin-top: 1.1rem;
}

.c21-editorial__body .c21-prose {
  max-width: none;
}

.c21-fact-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 1.8rem;
  border-top: 1px solid var(--c21-line);
  border-bottom: 1px solid var(--c21-line);
}

.c21-fact-row .c21-fact {
  padding: 1.1rem 1rem;
  border-left: 1px solid var(--c21-line);
  background: transparent;
}

.c21-fact-row .c21-fact:nth-child(n) {
  border-left-color: var(--c21-line);
}

.c21-fact-row .c21-fact:first-child {
  border-left: 0;
}

/* Featured keynote and compact speaker list */
.c21-keynotes {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 1.35rem;
  align-items: stretch;
}

.c21-keynote-feature {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 1.4rem;
  align-items: center;
  padding: 1.5rem;
  background: #fff;
  border: 1px solid var(--c21-line);
  border-top: 4px solid var(--c21-purple);
  border-radius: var(--c21-radius);
}

.c21-keynote-feature .c21-speaker__photo {
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  margin: 0;
}

.c21-keynote-feature h3 {
  margin-bottom: 0.2em;
  font-size: 1.5rem;
}

.c21-keynote-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.8rem;
}

.c21-keynote-grid .c21-speaker {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  grid-template-rows: auto auto auto;
  column-gap: 1rem;
  align-content: center;
  align-items: center;
  padding: 0.9rem 1rem;
  text-align: left;
}

.c21-keynote-grid .c21-speaker__photo,
.c21-keynote-grid .c21-speaker__initials {
  grid-row: 1 / span 3;
  width: 76px;
  height: 76px;
  margin: 0;
}

.c21-keynote-grid .c21-speaker__role {
  grid-column: 2;
}

.c21-keynote-grid .c21-speaker__tag {
  grid-column: 2;
  margin-top: 0.15rem;
}

/* Program rail */
.c21-program-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.c21-program-day {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1.1rem;
  margin: 0;
  padding: 1.6rem 1.4rem 1.6rem 0;
  border-left: 1px solid rgba(255, 255, 255, 0.18);
}

.c21-program-day:first-child {
  padding-left: 0;
  border-left: 0;
}

.c21-program-day__num {
  color: #9fdfea;
  font-family: var(--c21-font-program);
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1;
}

.c21-program-day__date {
  display: block;
  margin-bottom: 0.35rem;
  color: #9fdfea;
  font-family: var(--c21-font-label);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.c21-program-day h3 {
  margin-bottom: 0.35em;
  color: #fff;
  font-size: 1.15rem;
}

.c21-program-day p {
  margin-bottom: 0.8em;
  color: #c6d9e4;
  font-size: 0.92rem;
}

/* Workshop split list */
.c21-workshop-layout {
  display: grid;
  grid-template-columns: minmax(240px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}

.c21-workshop-list {
  border-top: 1px solid var(--c21-line);
}

.c21-workshop-item {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--c21-line);
  text-decoration: none;
}

.c21-workshop-item:hover {
  background: var(--c21-mist);
}

.c21-workshop-item img {
  width: 64px;
  height: 64px;
  padding: 0.3rem;
  border-radius: var(--c21-radius-sm);
  background: var(--c21-mist);
  object-fit: contain;
}

.c21-workshop-item h3 {
  margin: 0;
  color: var(--c21-ink);
  font-size: 1rem;
  line-height: 1.3;
}

.c21-workshop-item p {
  margin: 0.1rem 0 0;
  color: var(--c21-muted);
  font-size: 0.84rem;
}

.c21-workshop-item__arrow {
  color: var(--c21-teal-dark);
  font-size: 1.2rem;
}

/* Calls board */
.c21-call-board {
  border-top: 1px solid var(--c21-line);
}

.c21-call-row {
  display: grid;
  grid-template-columns: 82px minmax(0, 1.05fr) minmax(0, 1.4fr) 150px 24px;
  gap: 1.2rem;
  align-items: center;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--c21-line);
  color: inherit;
  text-decoration: none;
}

.c21-call-row:hover {
  background: rgba(255, 255, 255, 0.6);
}

.c21-call-row__status {
  color: var(--c21-coral-dark);
  font-family: var(--c21-font-label);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.c21-call-row__title {
  color: var(--c21-ink);
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.3;
}

.c21-call-row__desc {
  color: var(--c21-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.c21-call-row__date {
  color: var(--c21-muted);
  font-family: var(--c21-font-label);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  line-height: 1.4;
  text-align: right;
  text-transform: uppercase;
}

.c21-call-row__arrow {
  color: var(--c21-teal-dark);
  font-size: 1.1rem;
}

/* Archive index */
.c21-archive-index {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--c21-line);
  border-bottom: 1px solid var(--c21-line);
}

.c21-archive-link {
  position: relative;
  display: block;
  padding: 1.4rem 1.4rem 2.2rem;
  border-left: 1px solid var(--c21-line);
  text-decoration: none;
}

.c21-archive-link:first-child {
  border-left: 0;
}

.c21-archive-link:hover {
  background: var(--c21-mist);
}

.c21-archive-link__num {
  display: block;
  color: var(--c21-teal);
  font-family: var(--c21-font-program);
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1;
}

.c21-archive-link__label {
  display: block;
  margin-top: 0.5rem;
  color: var(--c21-muted);
  font-family: var(--c21-font-label);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.c21-archive-link h3 {
  margin: 0.35rem 0 0.35em;
  color: var(--c21-ink);
  font-size: 1.15rem;
}

.c21-archive-link p {
  margin: 0;
  color: var(--c21-muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.c21-archive-link__arrow {
  position: absolute;
  right: 1.2rem;
  bottom: 1.1rem;
  color: var(--c21-teal-dark);
  font-size: 1.1rem;
}

/* Partner band */
.c21-partner-band {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.c21-partner-band .c21-role-title {
  margin-top: 2rem;
}

/* Split call to action */
.c21-cta__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.c21-cta__grid .c21-actions {
  justify-content: flex-end;
  margin-top: 0;
}

/* Page hero: title and context in an editorial split */
.c21-page-hero {
  padding: clamp(2rem, 4.5vw, 3.6rem) 0;
  background:
    radial-gradient(circle at 88% 12%, rgba(111, 199, 223, 0.18), transparent 38%),
    linear-gradient(180deg, #f7fafb 0%, #eef5f7 100%);
}

.c21-page-hero::before {
  opacity: 0.2;
}

.c21-page-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: clamp(1.6rem, 4vw, 3.5rem);
  align-items: end;
}

.c21-page-hero__main h1 {
  max-width: 18ch;
  margin-bottom: 0;
}

.c21-page-hero__aside .c21-lead {
  margin-bottom: 1.1rem;
  font-size: 1.05rem;
}

.c21-page-hero__aside .c21-breadcrumb {
  padding-top: 0.9rem;
  border-top: 1px solid var(--c21-line);
}

/* Section headings gain a rule and a baseline */
.c21-section__head {
  align-items: end;
  padding-top: 1.1rem;
  border-top: 1px solid var(--c21-line);
}

.c21-section--dark .c21-section__head {
  border-top-color: rgba(255, 255, 255, 0.18);
}

/* Split footer masthead */
.c21-footer__masthead {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.c21-footer__masthead img {
  width: 220px;
  height: auto;
  margin: 0;
}

.c21-footer__masthead p {
  max-width: 62ch;
  margin: 0;
  color: #a9c0cf;
}

.c21-footer__grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

/* Layout revision responsive rules */
@media (max-width: 1024px) {
  .c21-header__inner {
    grid-template-columns: 1fr auto;
    grid-template-areas: "brand toggle";
    min-height: 68px;
    gap: 0.7rem;
  }

  .c21-brand {
    justify-self: start;
    width: 250px;
    max-width: 250px;
    padding: 0;
  }

  .c21-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    justify-content: flex-start;
    max-height: calc(100vh - 122px);
    overflow-y: auto;
    padding: 0.8rem 1.25rem 1.4rem;
    background: #fff;
    border-top: 1px solid var(--c21-line);
    border-bottom: 1px solid var(--c21-line);
  }

  .c21-nav.is-open {
    display: block;
  }

  .c21-nav__list {
    justify-content: flex-start;
    padding: 0;
  }

  .c21-header.is-compact .c21-brand {
    display: block;
  }

  .c21-header.is-compact .c21-header__inner {
    grid-template-columns: 1fr auto;
    grid-template-areas: "brand toggle";
  }

  .c21-header.is-compact .c21-nav {
    border-top: 1px solid var(--c21-line);
  }

  .c21-hero__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .c21-hero__poster {
    order: 0;
    justify-self: start;
    width: min(100%, 330px);
  }

  .c21-date-rail__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .c21-date-rail__item:nth-child(odd) {
    border-left: 0;
  }

  .c21-date-rail__item:nth-child(n+3) {
    border-top: 1px solid var(--c21-line);
  }

  .c21-editorial,
  .c21-workshop-layout,
  .c21-partner-band {
    grid-template-columns: 1fr;
  }

  .c21-keynotes {
    grid-template-columns: 1fr;
  }

  .c21-program-strip {
    grid-template-columns: 1fr;
    border-top: 0;
  }

  .c21-program-day {
    padding: 1.4rem 0;
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
  }

  .c21-program-day:first-child {
    border-top: 0;
  }

  .c21-footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .c21-footer__masthead {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
}

@media (max-width: 900px) {
  .c21-call-row {
    grid-template-columns: 82px minmax(0, 1fr) 140px 24px;
    gap: 1rem;
  }

  .c21-call-row__desc {
    display: none;
  }

  .c21-fact-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .c21-fact-row .c21-fact:nth-child(odd) {
    border-left: 0;
  }

  .c21-fact-row .c21-fact:nth-child(n+3) {
    border-top: 1px solid var(--c21-line);
  }
}

@media (max-width: 820px) {
  .c21-page-hero__grid {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .c21-page-hero__main h1 {
    max-width: none;
  }

  .c21-archive-index {
    grid-template-columns: 1fr;
  }

  .c21-archive-link {
    border-left: 0;
    border-top: 1px solid var(--c21-line);
  }

  .c21-archive-link:first-child {
    border-top: 0;
  }

  .c21-cta__grid {
    grid-template-columns: 1fr;
  }

  .c21-cta__grid .c21-actions {
    justify-content: flex-start;
    margin-top: 1.2rem;
  }
}

@media (max-width: 700px) {
  .c21-date-rail {
    margin-top: 0;
  }

  .c21-date-rail__grid {
    grid-template-columns: 1fr;
  }

  .c21-date-rail__item {
    border-left: 0;
  }

  .c21-date-rail__item:nth-child(n+2) {
    border-top: 1px solid var(--c21-line);
  }

  .c21-keynote-feature {
    grid-template-columns: 1fr;
  }

  .c21-keynote-feature .c21-speaker__photo {
    width: 130px;
  }

  .c21-call-row {
    grid-template-columns: 1fr 24px;
    gap: 0.35rem 1rem;
    padding: 1.1rem 0;
  }

  .c21-call-row__status,
  .c21-call-row__title,
  .c21-call-row__desc,
  .c21-call-row__date {
    grid-column: 1;
  }

  .c21-call-row__desc {
    display: block;
  }

  .c21-call-row__date {
    text-align: left;
  }

  .c21-call-row__arrow {
    grid-column: 2;
    grid-row: 1 / span 4;
    align-self: center;
  }

  .c21-workshop-item {
    grid-template-columns: 56px minmax(0, 1fr);
  }

  .c21-workshop-item img {
    width: 56px;
    height: 56px;
  }

  .c21-workshop-item__arrow {
    display: none;
  }

  .c21-footer__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .c21-brand {
    width: 210px;
    max-width: 210px;
  }

  .c21-fact-row {
    grid-template-columns: 1fr;
  }

  .c21-fact-row .c21-fact {
    border-left: 0;
  }

  .c21-fact-row .c21-fact:nth-child(n+2) {
    border-top: 1px solid var(--c21-line);
  }

  .c21-cta__grid .c21-actions .c21-btn {
    width: 100%;
  }
}