:root {
  --colour-background: #f5f5f7;
  --colour-surface: #ffffff;
  --colour-green: #5e7f32;

  --colour-text-primary: #3a3836;
  --colour-text-heading: #42403d;
  --colour-text-body: #5f5b56;
  --colour-text-muted: #746f69;

  --colour-border-subtle: rgb(0 0 0 / 6%);
  --colour-shadow-subtle: rgb(0 0 0 / 3%);
  --colour-focus-ring: rgb(94 127 50 / 45%);

  --colour-carousel-button: var(--colour-text-muted);
  --colour-carousel-button-hover: var(--colour-text-muted);
  --colour-carousel-dot: var(--colour-text-muted);
  --colour-carousel-dot-active: var(--colour-text-muted);

  --font-family: "Inter", sans-serif;

  --font-size-display: clamp(34px, 7vw, 38px);
  --font-size-title: 18px;
  --font-size-body: 15px;
  --font-size-small: 13px;
  --font-size-badge: 12px;
  --font-size-carousel-button: 24px;

  --font-weight-regular: 400;
  --font-weight-accent: 500;
  --font-weight-medium: 520;
  --font-weight-bold: 430;
  --font-weight-display: 430;
  --font-weight-footer-separator: 450;

  --line-height-tight: 1.05;
  --line-height-compact: 1.2;
  --line-height-body: 1.42;
  --line-height-control: 1;

  --letter-spacing-display: -0.025em;
  --letter-spacing-title: -0.03em;
  --letter-spacing-badge: 0.06em;

  --space-tight: 8px;
  --space-standard: 16px;
  --space-generous: 32px;

  --space-icon-gap: calc(var(--space-tight) * 0.7);
  --space-cluster-gap: calc(var(--space-tight) / 2);
  --space-group-gap: var(--space-standard);

  --corner-radius-card: 12px;
  --corner-radius-media: var(--space-tight);
  --corner-radius-pill: 999px;

  --content-max-width: 448px;

  --safe-area-padding-block-start: calc(var(--space-generous) + var(--space-standard));
  --safe-area-padding-inline: var(--space-standard);
  --safe-area-padding-block-end: calc(var(--space-generous) * 2);

  --content-gap: calc(var(--space-standard) + var(--space-tight));
  --hero-gap: 0;
  --hero-padding-inline: calc(var(--space-standard) + var(--space-tight));

  --card-frame-gap: var(--space-standard);
  --card-gap: var(--space-standard);
  --card-padding: calc(var(--space-standard) + var(--space-tight));

  --event-slide-gap: var(--space-group-gap);
  --event-particulars-gap: var(--space-cluster-gap);
  --event-row-gap: var(--space-icon-gap);

  --contact-content-gap: var(--space-standard);
  --contact-link-list-gap: var(--space-cluster-gap);
  --contact-link-gap: var(--space-icon-gap);

  --carousel-gap: var(--card-gap);
  --carousel-dot-size: 8px;
  --carousel-dot-hit-area: calc(var(--space-standard) + var(--space-tight));
  --carousel-dot-gap: 0;
  --carousel-dot-border-width: 1.4px;
  --carousel-button-size: calc(var(--space-standard) + var(--space-tight));
  --carousel-control-gap: 0;

  --carousel-control-layout-size: var(--carousel-dot-size);
  --carousel-dot-hit-overhang:
    calc((var(--carousel-dot-hit-area) - var(--carousel-control-layout-size)) / 2);
  --carousel-button-hit-overhang:
    calc((var(--carousel-button-size) - var(--carousel-control-layout-size)) / 2);
  --carousel-controls-min-height: var(--carousel-control-layout-size);

  --logotype-accent-gap: var(--space-tight);
  --logotype-accent-margin-top: 0;
  --logotype-icon-height: 0.76em;

  --card-border-width: 1px;
  --card-border: var(--card-border-width) solid var(--colour-border-subtle);
  --card-shadow-offset-x: 0;
  --card-shadow-offset-y: 1px;
  --card-shadow-blur: 2px;
  --card-shadow-spread: 0;
  --card-shadow:
    var(--card-shadow-offset-x)
    var(--card-shadow-offset-y)
    var(--card-shadow-blur)
    var(--card-shadow-spread)
    var(--colour-shadow-subtle);

  --badge-padding-block: 5px;
  --badge-padding-inline: 9px;
  --badge-radius: var(--corner-radius-pill);
  --badge-border-width: 1.4px;
  --badge-border: var(--badge-border-width) solid var(--colour-green);

  --icon-size-inline: 16px;
  --icon-optical-offset-y: -0.015em;

  --gallery-aspect-ratio: 4 / 3;
  --gallery-image-object-position: center;

  --focus-outline-width: 2px;
  --focus-outline-offset: 3px;
  --focus-outline: var(--focus-outline-width) solid var(--colour-focus-ring);

  --link-underline-offset: 0.18em;

  --transition-duration-fast: 150ms;
  --transition-duration-standard: 220ms;
  --transition-timing-standard: ease;

  --footer-paragraph-gap: calc(var(--space-tight) / 2);
  --footer-separator-margin-inline: 0.1em;
  --footer-separator-opacity: 0.45;
  --footer-separator-font-size: 0.85em;
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  background: var(--colour-background);
  color: var(--colour-text-body);
  font-family: var(--font-family);
}

img {
  display: block;
  max-width: 100%;
}

button {
  font: inherit;
}

a,
button {
  -webkit-tap-highlight-color: transparent;
}

a:focus-visible,
button:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-outline-offset);
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  color: var(--colour-text-primary);
  font-size: var(--font-size-display);
  font-weight: var(--font-weight-display);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-display);
}

h2,
.card h1 {
  color: var(--colour-text-heading);
  font-size: var(--font-size-title);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-compact);
  letter-spacing: var(--letter-spacing-title);
}

p {
  color: var(--colour-text-body);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-body);
}

.safe-area-frame {
  padding:
    var(--safe-area-padding-block-start)
    var(--safe-area-padding-inline)
    var(--safe-area-padding-block-end);
}

.content-frame {
  width: 100%;
  max-width: var(--content-max-width);
  margin: 0 auto;

  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--content-gap);
}

.hero-frame {
  width: 100%;
  padding-inline: var(--hero-padding-inline);

  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--hero-gap);
}

/* ==========================================================================
   Logotype
   ========================================================================== */

.logotype {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  text-align: center;

  color: var(--colour-text-primary);
  font-size: var(--font-size-display);
  font-weight: var(--font-weight-display);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-display);
}

.logotype-link {
  text-decoration: none;
}

.logotype-link:hover,
.logotype-link:focus-visible {
  text-decoration: none;
}

.logotype-line-primary {
  display: block;
  white-space: nowrap;
}

.logotype-line-accent {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  gap: var(--logotype-accent-gap);
  margin-top: var(--logotype-accent-margin-top);

  color: var(--colour-green);
  white-space: nowrap;
}

.logotype-line-accent-text {
  color: inherit;
}

.logotype-icon {
  display: block;
  height: var(--logotype-icon-height);
  width: auto;
  max-width: none;
  flex: 0 0 auto;
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card-frame {
  width: 100%;

  display: flex;
  flex-direction: column;
  gap: var(--card-frame-gap);
}

.card {
  background: var(--colour-surface);
  border: var(--card-border);
  box-shadow: var(--card-shadow);
  border-radius: var(--corner-radius-card);
  padding: var(--card-padding);

  display: flex;
  flex-direction: column;
  gap: var(--card-gap);
}

/* ==========================================================================
   Badge
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: flex-start;

  min-height: calc(var(--font-size-badge) + (var(--badge-padding-block) * 2));
  padding:
    calc(var(--badge-padding-block) + 1px)
    var(--badge-padding-inline)
    calc(var(--badge-padding-block) - 1px);
  border: var(--badge-border);
  border-radius: var(--badge-radius);

  color: var(--colour-green);
  background: transparent;

  font-size: var(--font-size-badge);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-control);
  letter-spacing: var(--letter-spacing-badge);
  text-transform: uppercase;
}

/* ==========================================================================
   Carousel
   ========================================================================== */

.carousel {
  display: flex;
  flex-direction: column;
  gap: var(--carousel-gap);
}

.carousel-viewport {
  width: 100%;
  overflow: hidden;
  touch-action: pan-y;
}

.carousel-track {
  display: flex;
  transition:
    transform
    var(--transition-duration-standard)
    var(--transition-timing-standard);
}

.carousel-slide {
  flex: 0 0 100%;
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--carousel-control-gap);

  min-height: var(--carousel-controls-min-height);
}

.carousel-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--carousel-dot-gap);
}

.carousel-dot {
  position: relative;

  display: inline-grid;
  place-items: center;

  width: var(--carousel-dot-hit-area);
  height: var(--carousel-dot-hit-area);
  margin-block: calc(var(--carousel-dot-hit-overhang) * -1);
  padding: 0;
  border: 0;
  border-radius: var(--corner-radius-pill);
  background: transparent;
  cursor: pointer;
}

.carousel-dot::before {
  content: "";

  width: var(--carousel-dot-size);
  height: var(--carousel-dot-size);
  border: var(--carousel-dot-border-width) solid var(--colour-carousel-dot);
  border-radius: var(--corner-radius-pill);
  background: transparent;
}

.carousel-dot[aria-current="true"]::before {
  border-color: var(--colour-carousel-dot-active);
  background: var(--colour-carousel-dot-active);
}

.carousel-button {
  width: var(--carousel-button-size);
  height: var(--carousel-button-size);
  margin-block: calc(var(--carousel-button-hit-overhang) * -1);
  padding: 0;
  border: 0;
  border-radius: var(--corner-radius-pill);
  background: transparent;
  color: var(--colour-carousel-button);
  cursor: pointer;
  font-size: var(--font-size-carousel-button);
  line-height: var(--line-height-control);

  opacity: 0;
  pointer-events: none;

  transition:
    opacity
    var(--transition-duration-fast)
    var(--transition-timing-standard),
    color
    var(--transition-duration-fast)
    var(--transition-timing-standard);
}

.card:hover .carousel-button:not(:disabled),
.card:focus-within .carousel-button:not(:disabled) {
  opacity: 1;
  pointer-events: auto;
}

.carousel-button:hover,
.carousel-button:focus-visible {
  color: var(--colour-carousel-button-hover);
}

.carousel-button:disabled {
  opacity: 0;
  pointer-events: none;
  cursor: default;
}

@media (hover: none) {
  .carousel-button {
    display: none;
  }

  .carousel-controls {
    min-height: var(--carousel-controls-min-height);
    gap: 0;
  }
}

/* ==========================================================================
   Event card
   ========================================================================== */

.event-card {
  overflow: hidden;
}

.event-slide {
  display: flex;
  flex-direction: column;
  gap: var(--event-slide-gap);
}

.event-particulars {
  display: flex;
  flex-direction: column;
  gap: var(--event-particulars-gap);
}

.event-particular {
  color: var(--colour-text-heading);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-body);
}

.event-title {
  color: var(--colour-text-heading);
  font-weight: var(--font-weight-accent);
}

.event-title a {
  color: inherit;
  text-decoration: none;
  text-underline-offset: var(--link-underline-offset);
}

.event-title a:hover,
.event-title a:focus-visible {
  text-decoration: underline;
}

.event-row {
  display: flex;
  align-items: center;
  gap: var(--event-row-gap);

  font-size: var(--font-size-body);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-body);
}

.event-icon {
  width: var(--icon-size-inline);
  height: var(--icon-size-inline);
  flex: 0 0 var(--icon-size-inline);
  object-fit: contain;
  transform: translateY(var(--icon-optical-offset-y));
}

.event-date {
  color: var(--colour-green);
  text-decoration: none;
  text-underline-offset: var(--link-underline-offset);
  font-weight: var(--font-weight-accent);
}

.event-date:hover,
.event-date:focus-visible {
  text-decoration: underline;
}

.event-location {
  color: var(--colour-text-body);
  text-decoration: none;
  text-underline-offset: var(--link-underline-offset);
  font-weight: var(--font-weight-accent);
}

.event-location:hover,
.event-location:focus-visible {
  text-decoration: underline;
}

.event-description {
  color: var(--colour-text-body);
}

/* ==========================================================================
   Gallery
   ========================================================================== */

.gallery-card {
  overflow: hidden;
}

.gallery-slide {
  display: flex;
  flex-direction: column;
  gap: var(--card-gap);
  margin: 0;
}

.gallery-image-frame {
  width: 100%;
  aspect-ratio: var(--gallery-aspect-ratio);
  border-radius: var(--corner-radius-media);
  overflow: hidden;
  background: var(--colour-background);
}

.gallery-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: var(--gallery-image-object-position);
}

.gallery-caption-frame {
  display: flex;
  flex-direction: column;
  gap: var(--space-tight);
}

.gallery-caption {
  color: var(--colour-text-muted);
}

/* ==========================================================================
   Contact
   ========================================================================== */

.contact-card {
  gap: var(--contact-content-gap);
}

.contact-content {
  display: flex;
  flex-direction: column;
  gap: var(--contact-content-gap);
}

.contact-intro {
  color: var(--colour-text-muted);
}

.contact-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--contact-link-list-gap);
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: var(--contact-link-gap);

  color: var(--colour-text-body);
  text-decoration: none;
  text-underline-offset: var(--link-underline-offset);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-body);
}

.contact-link:hover,
.contact-link:focus-visible {
  text-decoration: underline;
}

.contact-link img {
  width: var(--icon-size-inline);
  height: var(--icon-size-inline);
  flex: 0 0 var(--icon-size-inline);
  object-fit: contain;
  transform: translateY(var(--icon-optical-offset-y));
}

.contact-link span {
  display: block;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer-frame {
  text-align: center;
}

.footer-frame p {
  color: var(--colour-text-muted);
  font-size: var(--font-size-small);
}

.footer-frame p + p {
  margin-top: var(--footer-paragraph-gap);
}

.footer-frame a {
  color: inherit;
  text-decoration: none;
  text-underline-offset: var(--link-underline-offset);
}

.footer-frame a:hover,
.footer-frame a:focus-visible {
  text-decoration: underline;
}

.footer-separator {
  display: inline-block;
  margin-inline: var(--footer-separator-margin-inline);
  opacity: var(--footer-separator-opacity);
  font-size: var(--footer-separator-font-size);
  font-weight: var(--font-weight-footer-separator);
}