/* ── Design tokens ────────────────────────────────────────────── */
:root {
  --color-bg: oklch(0.98 0.002 90);
  --color-text: oklch(0.18 0 0);
  --color-muted-30: oklch(0.3 0 0);
  --color-muted-32: oklch(0.32 0 0);
  --color-muted-40: oklch(0.4 0 0);
  --color-muted-45: oklch(0.45 0 0);
  --color-muted-50: oklch(0.5 0 0);
  --color-border: oklch(0.85 0 0);
  --color-accent: oklch(0.42 0.06 55);
  --color-accent-hover: oklch(0.5 0.15 255);
  --stripe-a: oklch(0.9 0 0);
  --stripe-b: oklch(0.94 0 0);

  --callout-note-bg: oklch(0.96 0.015 55);
  --callout-warning-bg: oklch(0.94 0 0);
  --callout-tip-bg: oklch(0.95 0.02 255);

  /* Only two text sizes are used across the site (the giant homepage
     wordmark is a logo/display treatment, not body or heading text,
     so it's the one deliberate exception). */
  --font-size-bigger: clamp(26px, 4vw, 40px);
  --font-size-smaller: 20px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: 'Inter', sans-serif;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
::selection { background: black; color: white; }
img { max-width: 100%; display: block; }

/* Links inside rendered Markdown body copy always get an underline,
   regardless of the global no-underline default above. */
.project-detail__body a,
.page-main a,
.mission-text a {
  text-decoration: underline;
}

.site-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.italic { font-style: italic; font-weight: 400; }

/* ── Header / nav (About, Contact, project pages) ────────────── */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 48px;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background: var(--color-bg);
  z-index: 10;
}

.site-header__logo {
  font-size: var(--font-size-smaller);
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
}

.site-header__nav {
  display: flex;
  gap: 40px;
  font-size: var(--font-size-smaller);
}

.nav-link {
  opacity: 0.55;
  border-bottom: 1px solid transparent;
  padding-bottom: 4px;
}

.nav-link--active {
  opacity: 1;
  border-bottom: 1px solid currentColor;
}

/* ── Shared section wrapper ───────────────────────────────────── */
.home-main,
.masthead-main { flex: 1; }

.hero-section,
.cards-section,
.mission-section,
.projects-section,
.site-footer {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

.hero-section { padding-top: 100px; margin-bottom: 48px; }
.cards-section { padding-top: 32px; padding-bottom: 32px; }
.mission-section { padding-top: 0; padding-bottom: 0; }
.projects-section { padding-top: 72px; padding-bottom: 0; }

/* ── Hero ──────────────────────────────────────────────────────── */
.hero-title-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.hero-nav {
  display: flex;
  gap: 40px;
  font-size: var(--font-size-smaller);
}

/* The one deliberate exception to the two-size system: the giant
   homepage wordmark acts as a logo/display graphic, not text. */
.hero-title {
  font-family: 'Anton', sans-serif;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin: 0;
  text-transform: uppercase;
  font-size: clamp(48px, 11vw, 148px);
  line-height: 0.92;
}

.hero-title__in {
  font-size: 0.46em;
  margin-left: 10px;
  font-style: italic;
}

.hero-title__tech {
  font-style: italic;
  margin-left: 12px;
}

.featured-link { display: block; position: relative; }

.featured-box {
  width: 100%;
  aspect-ratio: 220 / 150;
  border-radius: 2px;
  border-top: 12px solid var(--color-text);
  overflow: hidden;
  background-color: var(--stripe-a);
  background-image: repeating-linear-gradient(135deg, var(--stripe-a), var(--stripe-a) 10px, var(--stripe-b) 10px, var(--stripe-b) 20px);
  background-size: cover;
  background-position: center;
}

.featured-caption {
  position: absolute;
  left: 50%;
  bottom: 2rem;
  transform: translateX(-50%);
  width: fit-content;
  max-width: 100%;
  background: var(--color-bg);
  padding: 20px 28px;
  text-align: center;
}

.featured-caption h3 {
  font-family: 'Inter', sans-serif;
  font-size: var(--font-size-bigger);
  font-weight: 600;
  margin: 0;
}

.featured-caption__meta {
  font-size: var(--font-size-smaller);
  color: var(--color-accent);
  margin-top: 8px;
}

/* ── Cards ─────────────────────────────────────────────────────── */
.cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.card {
  display: block;
  color: var(--color-text);
  padding: 48px;
  border-top: 12px solid var(--color-text);
  text-align: center;
}

.card h3 {
  font-family: 'Inter', sans-serif;
  font-size: var(--font-size-bigger);
  font-weight: 600;
  margin: 0 0 12px;
  color: var(--color-text);
}

.card p {
  font-size: var(--font-size-smaller);
  line-height: 1.6;
  color: var(--color-muted-45);
  margin: 0;
}

/* ── Mission ───────────────────────────────────────────────────── */
.mission-box {
  padding: 56px 48px;
  background: var(--color-text);
  color: white;
}

.mission-text {
  font-family: 'Inter', sans-serif;
  font-size: var(--font-size-bigger);
  line-height: 1.4;
  font-weight: 600;
  margin: 0;
  text-align: center;
  color: white;
}

.mission-text em { font-style: italic; }
.mission-text p { margin: 0; }

.mission-link-wrap {
  text-align: center;
  margin-top: 28px;
}

.mission-link {
  font-size: var(--font-size-smaller);
  font-weight: 600;
  text-decoration: underline;
  color: white;
}

.mission-link:hover { color: var(--color-accent-hover); }

/* ── Projects timeline ─────────────────────────────────────────── */
.project-row {
  display: grid;
  grid-template-columns: 100px 1fr 220px;
  align-items: center;
  gap: 40px;
  padding: 44px 0;
  border-top: 12px solid var(--color-text);
}

.project-row__date {
  font-size: var(--font-size-smaller);
  color: var(--color-muted-50);
}

.project-row__body {
  text-align: center;
}

.project-row__body h3 {
  font-family: 'Inter', sans-serif;
  font-size: var(--font-size-bigger);
  font-weight: 600;
  margin: 0;
}

.project-row__tags {
  font-size: var(--font-size-smaller);
  color: var(--color-accent);
  margin-top: 8px;
}

.project-row__image {
  width: 220px;
  height: 150px;
  border-radius: 2px;
  position: relative;
  overflow: hidden;
  background-color: var(--stripe-a);
  background-image: repeating-linear-gradient(135deg, var(--stripe-a), var(--stripe-a) 8px, var(--stripe-b) 8px, var(--stripe-b) 16px);
  background-size: cover;
  background-position: center;
  justify-self: center;
}

/* ── Site footer (used on every page) ────────────────────────────── */
.site-footer__inner {
  padding-top: 72px;
  padding-bottom: 72px;
  border-top: 12px solid var(--color-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

.site-footer__blurb {
  font-size: var(--font-size-smaller);
  line-height: 1.6;
  color: var(--color-muted-32);
  margin: 0 0 20px;
  max-width: 480px;
}

.site-footer__nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: var(--font-size-smaller);
}

.site-footer__subscribe {
  font-size: var(--font-size-bigger);
  font-weight: 600;
  text-decoration: underline;
  color: var(--color-accent);
  white-space: nowrap;
}

.site-footer__subscribe:hover { color: var(--color-accent-hover); }

/* ── Generic page (About / Contact / Archive index) ──────────── */
.page-main {
  flex: 1;
  max-width: 820px;
  margin: 0 auto;
  padding: 100px 32px 120px;
  width: 100%;
}

.page-main--narrow { max-width: 680px; }

.page-title {
  font-family: 'Inter', sans-serif;
  font-size: var(--font-size-bigger);
  font-weight: 700;
  margin: 0 0 40px;
}

.page-main p {
  font-size: var(--font-size-smaller);
  line-height: 1.8;
  margin: 0 0 24px;
  color: var(--color-muted-32);
}

.page-main p:first-of-type { color: var(--color-text); }

/* Contact page specifics */
.contact-intro {
  font-size: var(--font-size-smaller);
  line-height: 1.7;
  color: var(--color-muted-40);
  margin: 0 0 40px;
}

.contact-email {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: var(--font-size-smaller);
  font-weight: 600;
  border-bottom: 1px solid var(--color-text);
  padding-bottom: 4px;
  margin-bottom: 56px;
}

.contact-newsletter {
  border-top: 1px solid var(--color-border);
  padding-top: 40px;
}

.contact-newsletter h2 {
  font-family: 'Inter', sans-serif;
  font-size: var(--font-size-smaller);
  font-weight: 700;
  margin: 0 0 8px;
}

.contact-newsletter p {
  font-size: var(--font-size-smaller);
  color: var(--color-muted-45);
  margin: 0 0 20px;
}

.contact-newsletter__button {
  display: inline-block;
  background: var(--color-text);
  color: white;
  border: none;
  padding: 13px 22px;
  font-size: var(--font-size-smaller);
  font-weight: 500;
  border-radius: 2px;
  cursor: pointer;
}

.contact-newsletter__button:hover { background: var(--color-accent-hover); }

/* Members list (About page) */
.members-section {
  border-top: 1px solid var(--color-border);
  padding-top: 40px;
  margin-top: 40px;
}

.members-section h2 {
  font-family: 'Inter', sans-serif;
  font-size: var(--font-size-smaller);
  font-weight: 700;
  margin: 0 0 20px;
}

.members-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.members-list li {
  font-size: var(--font-size-smaller);
  line-height: 1.6;
  color: var(--color-muted-32);
}

.members-list__name {
  font-weight: 600;
  color: var(--color-text);
}

.members-list__name a { text-decoration: underline; }
.members-list__name a:hover { color: var(--color-accent-hover); }

/* ── Masthead (Anton wordmark, thick top border) ─────────────────
   Used on project pages and the About page — an alternative to the
   plain .site-header used elsewhere (currently just Contact). ───── */
.masthead {
  position: sticky;
  top: 0;
  background: var(--color-bg);
  z-index: 10;
}

.masthead--mobile-only { display: none; }

.masthead__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}

.masthead__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0;
  border-top: 12px solid var(--color-text);
}

.masthead__logo {
  font-family: 'Anton', sans-serif;
  font-size: 32px;
  font-weight: 400;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.masthead__logo-in { font-size: 0.75em; }

.masthead__nav {
  display: flex;
  gap: 40px;
  font-size: var(--font-size-smaller);
}

/* ── Project detail page ──────────────────────────────────────── */
.project-detail__title-section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 64px 32px 0;
  text-align: center;
}

.project-detail__title {
  font-family: 'Inter', sans-serif;
  font-size: var(--font-size-bigger);
  font-weight: 700;
  margin: 0;
}

.project-detail__meta-tags {
  font-size: var(--font-size-smaller);
  color: var(--color-accent);
  margin-top: 12px;
}

.project-detail__meta-byline {
  font-size: var(--font-size-smaller);
  color: var(--color-muted-45);
  margin-top: 8px;
}

.project-detail__hero-section {
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 32px 0;
}

.project-detail__image {
  width: 100%;
  aspect-ratio: 16 / 8;
  border-radius: 2px;
  border-top: 12px solid var(--color-text);
  background-color: var(--stripe-a);
  background-size: cover;
  background-position: center;
}

.project-detail__image--placeholder {
  background-image: repeating-linear-gradient(135deg, var(--stripe-a), var(--stripe-a) 10px, var(--stripe-b) 10px, var(--stripe-b) 20px);
}

.project-detail__body-section {
  max-width: 780px;
  margin: 0 auto;
  padding: 64px 32px;
}

.project-detail__body {
  font-size: var(--font-size-smaller);
  line-height: 1.8;
  color: var(--color-muted-32);
}

.project-detail__body p:first-child {
  color: var(--color-text);
  font-weight: 600;
}

/* ── Callouts ──────────────────────────────────────────────────── */
/* A plain Markdown blockquote (> text) inside project or page copy.
   Add a kramdown IAL to get a labeled note/warning/tip variant, e.g.:
     > Union stewards must be looped in before a PIP is delivered.
     {: .callout-note}
*/
.project-detail__body blockquote,
.page-main blockquote {
  margin: 28px 0;
  padding: 20px 24px;
  border-left: 4px solid var(--color-text);
  background: var(--stripe-b);
}

.project-detail__body blockquote p,
.page-main blockquote p {
  margin: 0;
  color: var(--color-text);
  font-weight: 400;
}

.project-detail__body blockquote p + p,
.page-main blockquote p + p {
  margin-top: 12px;
}

.callout-note {
  border-left-color: var(--color-accent);
  background: var(--callout-note-bg);
}

.callout-warning {
  border-left-color: var(--color-text);
  background: var(--callout-warning-bg);
}

.callout-tip {
  border-left-color: var(--color-accent-hover);
  background: var(--callout-tip-bg);
}

/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 860px) {
  .site-header { padding: 20px 24px; }
  .site-header__nav { gap: 24px; }

  .hero-section { padding-top: 32px; }
  .hero-title-row { align-items: flex-start; margin-bottom: 32px; }
  .hero-nav { display: none; }
  .hero-title { width: 100%; }

  .featured-caption {
    position: static;
    transform: none;
    width: 100%;
    max-width: none;
    margin-top: 16px;
    padding: 0;
    background: none;
  }

  .cards-grid { grid-template-columns: 1fr; gap: 12px; }

  .card { padding: 20px 0 0; text-align: left; }
  .cards-grid .card:nth-child(2) { border-top: none; }

  .projects-section { padding-top: 32px; }
  .card h3 { text-decoration: underline; }
  .card h3::after { content: " →"; text-decoration: none; display: inline-block; }

  .project-row {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 16px;
    padding: 32px 0 44px 0;
  }

  .project-row__body { display: contents; }

  .project-row__date { order: 1; }
  .project-row__body h3 { order: 2; }
  .project-row__image { order: 3; width: 75%; height: 200px; margin: 0 auto; }
  .project-row__tags { order: 4; }

  .site-footer__inner { flex-direction: column; align-items: center; text-align: center; }
  .site-footer__left { display: flex; flex-direction: column; align-items: center; }

  .page-main { padding: 32px 32px; }

  .masthead__row { padding: 20px 0; flex-wrap: wrap; row-gap: 16px; }
  .masthead__logo { flex: 1 1 100%; }
  .masthead__nav { flex: 1 1 100%; justify-content: space-between; gap: 24px; }

  .masthead--hide-logo-mobile .masthead__logo { display: none; }
  .masthead--hide-logo-mobile .masthead__row { justify-content: center; }

  .masthead--mobile-only { display: block; }

  .project-detail__title-section { padding: 32px 32px 0; }
  .project-detail__hero-section { padding: 32px 32px 0; }
  .project-detail__image { aspect-ratio: 16 / 12; }
  .project-detail__body-section { padding: 32px; }
}