/* =============================================================
   1. Tokens

   Dark theme only. There is no light variant and no
   prefers-color-scheme switch: one palette, deliberately.
   ============================================================= */

:root {
  color-scheme: dark;

  /* colour - warm near-black, hemp accent */
  --color-bg: #14110d;
  --color-surface: #1c1813;
  --color-text: #ece5da;
  --color-muted: #a89d8d;
  --color-border: #332c23;
  --color-accent: #d8ad76;
  --color-accent-hover: #e8c294;
  --color-accent-contrast: #14110d;
  --color-focus: #f5f0e8;

  /* type */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  --font-size-base: 1rem;
  --font-size-lead: clamp(1.0625rem, 1rem + 0.3vw, 1.25rem);
  --font-size-small: 0.875rem;
  --font-size-h1: clamp(2rem, 1.6rem + 1.8vw, 3.25rem);
  --font-size-h2: clamp(1.375rem, 1.2rem + 0.75vw, 1.75rem);
  --line-height-base: 1.6;
  --line-height-heading: 1.15;

  /* spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2.5rem;
  --space-6: 4rem;

  /* radii */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;

  /* layout */
  --content-width: 46rem;
  --border-width: 1px;
}

/* =============================================================
   2. Reset / base
   ============================================================= */

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

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

body,
h1,
h2,
h3,
p,
ul,
ol,
figure {
  margin: 0;
}

ul,
ol {
  padding: 0;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

h1,
h2,
h3 {
  line-height: var(--line-height-heading);
}

h1 {
  font-size: var(--font-size-h1);
  letter-spacing: -0.01em;
}

h2 {
  font-size: var(--font-size-h2);
}

* + p,
* + ul,
* + ol {
  margin-top: var(--space-3);
}

a {
  color: var(--color-accent);
}

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

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}

/* =============================================================
   3. Layout
   ============================================================= */

.wrapper {
  width: 100%;
  max-width: var(--content-width);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.site-header {
  border-bottom: var(--border-width) solid var(--color-border);
  background: var(--color-surface);
}

.site-header__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-block: var(--space-3);
}

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1) var(--space-4);
  list-style: none;
}

.site-main {
  flex: 1 0 auto;
  padding-block: var(--space-5);
}

.site-main > .wrapper {
  display: grid;
  gap: var(--space-6);
}

.site-footer {
  border-top: var(--border-width) solid var(--color-border);
  background: var(--color-surface);
  margin-top: var(--space-6);
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-block: var(--space-4);
  font-size: var(--font-size-small);
  color: var(--color-muted);
}

@media (min-width: 40rem) {
  .site-footer__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

/* =============================================================
   4. Components
   ============================================================= */

.skip-link {
  position: absolute;
  top: -3rem;
  left: var(--space-3);
  z-index: 10;
  background: var(--color-accent);
  color: var(--color-accent-contrast);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  text-decoration: none;
}

.skip-link:focus-visible {
  top: var(--space-3);
}

.site-header__brand {
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: 0.02em;
  color: var(--color-text);
  text-decoration: none;
}

.site-nav__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding-inline: var(--space-2);
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.site-nav__link:hover {
  border-bottom-color: var(--color-border);
}

.site-nav__link[aria-current="page"] {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
  font-weight: 700;
}

/* --- hero --- */

.hero__figure {
  margin-bottom: var(--space-5);
}

.hero__image {
  width: 100%;
  border-radius: var(--radius-md);
  border: var(--border-width) solid var(--color-border);
}

.hero__lead {
  font-size: var(--font-size-lead);
  color: var(--color-text);
  margin-top: var(--space-4);
}

.hero p + p {
  color: var(--color-muted);
}

/* --- schedule --- */

.schedule__list {
  list-style: none;
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.session-card {
  background: var(--color-surface);
  border: var(--border-width) solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.session-card__date {
  font-weight: 700;
  font-size: var(--font-size-lead);
}

.session-card__meta {
  color: var(--color-muted);
  font-size: var(--font-size-small);
  margin-top: var(--space-1);
}

.session-card__body {
  color: var(--color-muted);
}

/* --- join --- */

.join__action {
  margin-top: var(--space-4);
}

.join__note {
  color: var(--color-muted);
  font-size: var(--font-size-small);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  font-weight: 700;
  text-decoration: none;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-accent-contrast);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
}

.site-footer__contact a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-muted);
  margin-right: var(--space-3);
}

.site-footer__contact a:last-child {
  margin-right: 0;
}

.site-footer__contact a:hover,
.site-footer__contact a:focus-visible {
  color: var(--color-accent);
}

.site-footer__icon {
  width: 1rem;
  height: 1rem;
  fill: currentColor;
  flex-shrink: 0;
}

/* =============================================================
   5. Utilities
   ============================================================= */

/* Deliberately empty. Add a utility only once a rule repeats three
   or more times across components. */