@font-face {
  font-family: 'Exo 2';
  src: url('/fonts/exo-2/Exo2-Variable.woff2') format('woff2');
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

@font-face {
  font-family: 'Exo 2';
  src: url('/fonts/exo-2/Exo2-Italic-Variable.woff2') format('woff2');
  font-style: italic;
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --width-page: 90rem;
  --width-content: calc(var(--width-page) - var(--width-nav) - 2 * var(--gutter));
  --width-reading: 95ch;
  --width-nav: 15rem;
  --gutter: clamp(1.1rem, 4vw, 3.5rem);
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
  --font-default: 'Exo 2', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-family: var(--font-default);
  line-height: 1.65;
  background: var(--color-bg);
  color: var(--color-text);
}
@media screen {
  :root {
    color-scheme: dark;
    --color-bg: #09110e;
    --color-surface: #101d17;
    --color-text: #d7e7d8;
    --color-muted: #a1b5a7;
    --color-accent: #b2f57b;
    --color-border: #354f40;
    --color-notice: #e5ce86;
    --color-on-accent: #101b0a;
    --color-schedule-row-odd: #101d17;
    --color-schedule-row-even: #0c1712;
  }
}
@media screen and (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --color-bg: #eff2e8;
    --color-surface: #e4eadb;
    --color-text: #192e23;
    --color-muted: #475f4e;
    --color-accent: #285b21;
    --color-border: #a6b69e;
    --color-notice: #6d4d09;
    --color-on-accent: #f2f8e8;
    --color-schedule-row-odd: #e4eadb;
    --color-schedule-row-even: #eaf0e0;
  }
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  border-top: 4px solid var(--color-accent);
}
a {
  color: var(--color-accent);
  text-underline-offset: 0.22em;
}
a:hover {
  text-decoration-thickness: 2px;
}
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 5px;
}
::selection {
  background: var(--color-accent);
  color: var(--color-on-accent);
}
.skip-link {
  position: absolute;
  left: 1rem;
  top: -8rem;
  padding: 1rem;
  background: var(--color-surface);
  z-index: 2;
}
.skip-link:focus {
  top: 1rem;
}
.site-header {
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  flex-wrap: wrap;
  max-width: var(--width-page);
  margin: auto;
  padding: 1.4rem var(--gutter);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font: bold 2rem var(--font-mono);
  text-decoration: none;
}
.brand-name {
  margin-left: 0.8rem;
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.layout {
  max-width: var(--width-page);
  margin: auto;
  display: grid;
  grid-template-columns: var(--width-nav) minmax(0, 1fr);
  padding-inline: var(--gutter);
}
nav {
  padding: 2.5rem 1.5rem 2.5rem 0;
  border-right: 1px solid var(--color-border);
}
.nav-label,
.eyebrow {
  font: 0.72rem var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
}
nav ul {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 3rem;
}
nav li {
  margin-bottom: 0.35rem;
}
nav a {
  display: block;
  padding: 0.65rem 0.5rem;
  font-size: 0.88rem;
  color: var(--color-muted);
  text-decoration: none;
  border-left: 2px solid transparent;
}
nav a[aria-current],
nav a:hover {
  color: var(--color-accent);
  background: var(--color-surface);
  border-left-color: var(--color-accent);
}
.nav-note {
  font: 0.7rem/1.9 var(--font-mono);
  color: var(--color-muted);
}
main {
  padding: 2.5rem 0 0 var(--gutter);
  min-width: 0;
  max-width: var(--width-content);
}
.hero {
  padding: 3.5rem 0 2.5rem;
  border-bottom: 1px solid var(--color-border);
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 5px,
    color-mix(in srgb, var(--color-accent) 3%, transparent) 6px
  );
}
h1 {
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  font-weight: 650;
  letter-spacing: -0.055em;
  line-height: 1.03;
  margin: 1.2rem 0;
  color: var(--color-accent);
  max-width: 16ch;
}
.intro {
  max-width: 42ch;
  color: var(--color-muted);
  font-size: clamp(1.1rem, 2vw, 1.35rem);
}
.event-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding: 1.6rem 0;
  border-bottom: 1px solid var(--color-border);
}
.event-facts span {
  display: block;
  text-transform: uppercase;
  font: 0.65rem var(--font-mono);
  letter-spacing: 0.08em;
  color: var(--color-muted);
  margin-bottom: 0.65rem;
}
.event-facts strong {
  display: block;
  font-size: 0.88rem;
}
.event-facts small {
  font-size: 0.7rem;
  color: var(--color-muted);
}
section {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--color-border);
}
section:last-child {
  border: none;
}
h2 {
  font-size: 1.3rem;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin: 0.6rem 0 1rem;
}
p {
  max-width: var(--width-reading);
}
iframe {
  display: block;
  width: 100%;
  border: 1px solid var(--color-border);
}
.faq {
  max-width: var(--width-reading);
}
.faq > div + div {
  margin-top: 1.5rem;
}
.faq dt {
  font-weight: 650;
}
.faq dd {
  margin: 0.5rem 0 0;
}
.placeholder {
  margin: 1.2rem 0 0.5rem;
  padding: 1rem 1.2rem;
  border-left: 2px solid var(--color-notice);
  background: var(--color-surface);
}
.placeholder strong {
  font: 0.7rem var(--font-mono);
  color: var(--color-notice);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.placeholder p {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin: 0.5rem 0 0;
}
.next-steps {
  padding-block: 2rem;
}
.button {
  display: inline-flex;
  justify-content: space-between;
  gap: 2rem;
  background: var(--color-accent);
  color: var(--color-on-accent);
  padding: 0.8rem 1.1rem;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 650;
}
.text-link {
  display: inline-block;
  padding: 0.8rem 1.1rem;
  font-size: 0.85rem;
}
footer {
  margin-top: 2rem;
  padding: 1.5rem 0 2rem;
  border-top: 1px solid var(--color-border);
  font: 0.7rem/1.8 var(--font-mono);
  color: var(--color-muted);
}
@media screen and (max-width: 760px) {
  .layout {
    display: block;
  }
  nav {
    border-right: 0;
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
  }
  .nav-label,
  .nav-note {
    display: none;
  }
  nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.2rem 0.6rem;
    margin: 0;
  }
  nav a {
    font-size: 0.8rem;
    padding: 0.5rem;
  }
  main {
    padding: 1.5rem 0 0;
  }
  .hero {
    padding-top: 2rem;
  }
  .event-facts {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .brand-name {
    font-size: 1.1rem;
    margin-left: 0.2rem;
  }
}

.kit-gallery {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  gap: clamp(0.5rem, 2vw, 1.5rem);
  margin: 1.5rem 0;
}
.kit-gallery figure {
  margin: 0;
  min-width: 0;
}
.gallery-trigger {
  display: block;
  width: 100%;
  padding: 0;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: zoom-in;
}
.gallery-trigger img {
  display: block;
  width: 100%;
  height: auto;
}
.photo-backdrop {
  position: fixed;
  inset: 0;
  background: rgb(0 0 0 / 85%);
  z-index: 10;
}
.photo-lightbox {
  position: fixed;
  inset: 0;
  z-index: 11;
  display: flex;
  flex-direction: column;
  height: 100dvh;
  background: var(--color-bg);
  color: var(--color-text);
}
.photo-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
}
.photo-control {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font: inherit;
  font-size: 0.85rem;
  padding: 0.65rem 0.85rem;
  min-height: 44px;
  min-width: 44px;
  background: var(--color-surface);
  color: var(--color-accent);
  border: 1px solid var(--color-border);
  cursor: pointer;
}
.photo-control:disabled {
  opacity: 0.5;
  cursor: default;
}
.photo-slides {
  display: flex;
  flex: 1;
  min-height: 0;
  width: 100%;
}
.photo-slide {
  flex: 0 0 100%;
  min-width: 0;
  padding: 1rem;
}
.photo-item,
.photo-zoom {
  width: 100%;
  height: 100%;
}
.photo-lightbox img {
  object-fit: contain;
}
.photo-lightbox picture,
.photo-lightbox picture img {
  display: block;
  width: 100%;
  height: 100%;
}
.photo-footer {
  padding: 0.5rem 1rem 1rem;
  max-height: 35dvh;
  overflow-y: auto;
}
.photo-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
}
.photo-paging,
.photo-zoom-controls {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.photo-zoom-controls {
  margin-inline-start: 1rem;
}
.photo-counter {
  display: inline-block;
  flex: 0 0 8ch;
  width: 8ch;
  text-align: center;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.photo-caption {
  font-size: 0.85rem;
  min-width: 0;
  overflow-wrap: anywhere;
}
.photo-toolbar .photo-control {
  flex-shrink: 0;
}

.schedule {
  display: grid;
  grid-template-columns: 8ch minmax(0, 1fr);
}
.schedule > dt,
.schedule > dd {
  margin: 0;
  padding: 0.65rem 0.4rem;
}
.schedule > dt {
  grid-column: 1;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.schedule > dd {
  grid-column: 2;
  min-width: 0;
  overflow-wrap: anywhere;
}
.schedule > dt:nth-of-type(odd),
.schedule > dd:nth-of-type(odd) {
  background: var(--color-schedule-row-odd);
}
.schedule > dt:nth-of-type(even),
.schedule > dd:nth-of-type(even) {
  background: var(--color-schedule-row-even);
}

.about-us-content {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.about-us-content .uklta-logo {
  flex: 0 0 12rem;
  max-width: 35%;
}
.about-us-content p {
  flex: 1;
  min-width: 0;
  max-width: none;
  margin: 0;
}
.uklta-logo {
  display: block;
  width: 12rem;
  max-width: 100%;
}
.uklta-logo img {
  display: block;
  width: 100%;
  height: auto;
}

.high-frontier-logo {
  display: block;
  flex-shrink: 0;
  width: 10rem;
}
.high-frontier-logo img {
  display: block;
  width: 100%;
  height: auto;
}
@media screen and (prefers-color-scheme: light) {
  :root .high-frontier-logo img {
    filter: invert(1);
  }
}
@media screen and (max-width: 760px) {
  .high-frontier-logo {
    width: 5rem;
  }
}