/* Tercero design foundation.
   1. Tokens  2. Base  3. Layout  4. Components  5. Responsive/accessibility
   No framework, remote fonts, generated utility matrix, or runtime purging. */

/* 1. Tokens: begin the next design iteration here. */
:root {
  color-scheme: light;
  --color-ink: #1d242b;
  --color-muted: #59636e;
  --color-paper: #fff;
  --color-surface: #f3f4f4;
  --color-line: #d9dede;
  --color-dark: #121518;
  --color-on-dark: #f7f8f8;
  --color-muted-dark: #bdc5cc;
  --color-accent: #d45500;
  --color-link: #a33e00;
  --color-button: #ad4300;
  --spectrum-opacity: .3;
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-label: ui-monospace, "SFMono-Regular", Consolas, monospace;
  --space-1: .5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --gutter: clamp(1rem, 4vw, 3rem);
  --section-space: clamp(3rem, 7vw, 6rem);
  --content-width: 72rem;
  --reading-width: 48rem;
  --radius: .375rem;
}

/* 2. Base: intrinsic sizing prevents narrow-screen overflow. */
*, *::before, *::after {
  box-sizing: border-box;
}
html {
  scroll-padding-top: 6rem;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  min-width: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font: 400 1rem/1.7 var(--font-body);
  overflow-wrap: break-word;
}
[hidden] {
  display: none !important;
}
img, picture, svg, video {
  display: block;
  max-width: 100%;
}
img, video {
  height: auto;
}
button, input, select, textarea {
  font: inherit;
}
button {
  cursor: pointer;
}
a {
  color: var(--color-link);
  text-underline-offset: .2em;
  text-decoration-thickness: .08em;
}
a:hover {
  text-decoration-thickness: .14em;
}
a, button {
  -webkit-tap-highlight-color: transparent;
}
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 4px;
}
main:focus {
  outline: none;
}
h1, h2, h3 {
  margin: 0;
  line-height: 1.13;
  letter-spacing: -.035em;
  text-wrap: balance;
  overflow-wrap: anywhere;
}
h1 {
  font-size: clamp(2rem, 1.5rem + 3vw, 4.25rem);
  font-weight: 650;
}
h2 {
  font-size: clamp(1.75rem, 1.3rem + 1.6vw, 2.6rem);
  font-weight: 650;
}
h3 {
  font-size: clamp(1.25rem, 1.1rem + .6vw, 1.6rem);
  font-weight: 650;
}
p, ul, ol, dl, figure {
  margin: 0;
}
address {
  font-style: normal;
}
:target {
  scroll-margin-top: 6rem;
}

/* 3. Layout primitives. Each grid child can shrink below its content width. */
.container {
  width: min(100% - 2 * var(--gutter), var(--content-width));
  margin-inline: auto;
}
.container--reading {
  max-width: var(--reading-width);
}
.section {
  padding-block: var(--section-space);
}
.section--muted {
  background: var(--color-surface);
}
.split-layout, .leadership-layout, .contact-layout, .news-grid {
  display: grid;
  gap: var(--space-4);
}
.split-layout > *, .leadership-layout > *, .contact-layout > *, .news-grid > * {
  min-width: 0;
}
.section-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.section-heading h2 {
  max-width: 25ch;
}
.section-intro {
  margin-top: var(--space-3);
  color: var(--color-muted);
}
.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
}
.eyebrow {
  display: block;
  font: 500 .75rem/1.6 var(--font-label);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-muted);
}
.eyebrow + h1, .eyebrow + h2 {
  margin-top: var(--space-2);
}
/* Keep the real period in the text; its visible brand mark is a square. */
.accent {
  display: inline-block;
  width: .15em;
  height: .15em;
  margin-inline-start: .07em;
  overflow: hidden;
  vertical-align: baseline;
  border-radius: 0;
  background: var(--color-accent);
  color: transparent;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  min-height: 44px;
  font-weight: 650;
}

/* 4. Components */
.skip-link {
  position: fixed;
  z-index: 20;
  top: 1rem;
  left: 1rem;
  padding: .75rem 1rem;
  background: var(--color-paper);
  color: var(--color-ink);
  transform: translateY(-180%);
}
.skip-link:focus {
  transform: translateY(0);
}
.site-header {
  background: var(--color-paper);
  border-bottom: 1px solid var(--color-line);
}
.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding-block: 1rem;
}
.site-brand {
  display: flex;
  align-items: center;
  min-height: 44px;
  min-width: 0;
  max-width: 100%;
  flex-shrink: 1;
}
.site-brand img {
  width: clamp(9rem, 45vw, 15.1875rem);
}
.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  min-height: 44px;
  padding: .5rem .75rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-paper);
  color: var(--color-ink);
  font-size: .875rem;
  font-weight: 600;
}
.nav-toggle__icon {
  width: 1rem;
  height: .65rem;
  border-block: 2px solid currentColor;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__icon {
  height: 0;
  border-bottom: 0;
}
.nav-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .25rem;
  list-style: none;
  padding: .5rem 0 0;
  width: 100%;
}
.nav-links a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: .6rem .8rem;
  border-radius: var(--radius);
  color: var(--color-ink);
  font-size: .875rem;
  font-weight: 600;
  text-decoration: none;
}
.nav-links a:hover {
  background: var(--color-surface);
}
.nav-links a[aria-current] {
  color: var(--color-link);
  text-decoration: underline;
  text-underline-offset: .4em;
}

.hero, .page-hero {
  background: var(--color-dark);
  color: var(--color-on-dark);
  padding-block: var(--section-space);
}
.hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(3.5rem, 8vw, 7.5rem);
  background-image: radial-gradient(ellipse at 100% 0%, #303435 0, transparent 65%);
  border-bottom: 4px solid var(--color-accent);
}
.hero-spectrum {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: calc(var(--spectrum-opacity) * .65);
  -webkit-mask-image: linear-gradient(90deg, #0002, #000 85%);
  mask-image: linear-gradient(90deg, #0002, #000 85%);
}
.hero > .container {
  position: relative;
  z-index: 1;
}
.hero-status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .75rem 2rem;
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: 1px solid #43494e;
}
.spectrum-control {
  min-width: 9rem;
  min-height: 44px;
}
.spectrum-toggle {
  width: 100%;
  min-height: 44px;
  padding: .5rem .75rem;
  border: 1px solid #626d75;
  border-radius: var(--radius);
  background: transparent;
  color: var(--color-muted-dark);
  font: .75rem/1.5 var(--font-label);
}
.spectrum-toggle:hover {
  background: #30383e;
  color: var(--color-on-dark);
}
.hero h1 {
  max-width: 23ch;
  font-size: clamp(2rem, 1.4rem + 3.8vw, 4.8rem);
}
.hero .eyebrow, .page-hero .eyebrow, .location-card .eyebrow {
  color: var(--color-muted-dark);
}
.hero-summary {
  max-width: 45ch;
  margin-top: var(--space-3);
  color: var(--color-muted-dark);
  font-size: clamp(1.0625rem, 1rem + .45vw, 1.25rem);
}
.hero-topics {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.5rem;
  list-style: none;
  padding: 0;
  color: var(--color-muted-dark);
  font: .75rem/1.7 var(--font-label);
  text-transform: uppercase;
  letter-spacing: .07em;
}
.page-hero h1 {
  max-width: 24ch;
}
.page-hero .prose {
  margin-top: var(--space-4);
  max-width: 65ch;
}
.button {
  display: inline-flex;
  flex-wrap: wrap;
  max-width: 100%;
  overflow-wrap: anywhere;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  min-height: 48px;
  padding: .8rem 1.2rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--color-button);
  color: #fff;
  font-size: .9375rem;
  font-weight: 650;
  line-height: 1.4;
  text-align: center;
  text-decoration: none;
}
.button:hover {
  background: #8e3500;
  color: #fff;
}
.button--outline {
  background: transparent;
  border-color: #626d75;
  color: var(--color-on-dark);
}
.button--outline:hover {
  background: #30383e;
}
.button--subtle {
  background: var(--color-surface);
  border-color: var(--color-line);
  color: var(--color-ink);
}
.button--subtle:hover {
  background: #e6e9e9;
  color: var(--color-ink);
}

.prose {
  font-size: 1.0625rem;
}
.prose > * + * {
  margin-top: 1.25rem;
}
.prose h2, .prose h3 {
  margin-top: 2rem;
}
.prose > :first-child {
  margin-top: 0;
}
.prose ul, .prose ol {
  padding-left: 1.5rem;
}
.prose li + li {
  margin-top: .5rem;
}
.prose a {
  overflow-wrap: anywhere;
}
.prose blockquote {
  margin-inline: 0;
  padding-left: 1.25rem;
  border-left: 3px solid var(--color-accent);
}
.prose pre {
  max-width: 100%;
  overflow: auto;
  padding: 1rem;
  background: var(--color-surface);
}
.prose hr {
  border: 0;
  border-top: 1px solid var(--color-line);
  margin-block: var(--space-4);
}
.prose--light {
  color: var(--color-muted-dark);
}

.news-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: clamp(1.25rem, 2.3vw, 2rem);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  background: var(--color-paper);
}
.news-card h3 {
  font-size: 1.35rem;
  line-height: 1.35;
}
.news-card a {
  color: var(--color-ink);
  text-decoration: none;
}
.news-card a::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
}
.news-card:focus-within {
  outline: 3px solid var(--color-accent);
  outline-offset: 4px;
}
.news-card a:focus-visible {
  outline: none;
}
.news-card:hover {
  border-color: var(--color-accent);
}
.news-card:hover h3 {
  text-decoration: underline;
  text-underline-offset: .2em;
}
.news-card__arrow {
  margin-top: auto;
  padding-top: .5rem;
  color: var(--color-link);
  font-size: 1.5rem;
}
.news-list__item {
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--color-line);
}
.news-list__item:first-child {
  padding-top: 0;
}
.news-list__item h2 {
  margin-top: .75rem;
  font-size: clamp(1.375rem, 1.1rem + 1vw, 1.9rem);
  line-height: 1.3;
  max-width: 50ch;
}
.news-list__item a {
  display: block;
  min-height: 44px;
  color: var(--color-ink);
  text-decoration: none;
}
.news-list__item a:hover {
  color: var(--color-link);
  text-decoration: underline;
}
.organization-list {
  list-style: none;
  padding: 0;
  margin-top: var(--space-4);
  display: grid;
}
.organization-list li {
  padding: 1rem 0;
  border-top: 1px solid var(--color-line);
  font-size: .9375rem;
  font-weight: 600;
}

.leadership-layout {
  margin-top: var(--space-4);
  gap: var(--space-5);
}
.founder-profile {
  max-width: 20rem;
}
.founder-profile picture {
  overflow: hidden;
  border-radius: var(--radius);
}
.founder-profile .button {
  width: 100%;
  margin-top: var(--space-2);
}
.role-label {
  color: var(--color-muted);
  margin-top: .5rem;
}
.contact-card, .location-card {
  padding: clamp(1.5rem, 4vw, 3rem);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
}
.contact-card h2, .location-card h2 {
  font-size: clamp(1.5rem, 1.2rem + 1vw, 2rem);
}
.contact-card address {
  margin-top: var(--space-3);
}
.contact-details {
  margin-block: var(--space-4);
}
.contact-details > div + div {
  margin-top: var(--space-2);
}
.contact-details dt {
  font-size: .75rem;
  text-transform: uppercase;
  color: var(--color-muted);
  letter-spacing: .05em;
}
.contact-details dd {
  margin: 0;
}
.contact-details a {
  display: block;
  min-height: 44px;
  padding-block: .3rem;
  font-weight: 600;
  overflow-wrap: anywhere;
}
.location-card {
  background: var(--color-dark);
  color: var(--color-on-dark);
  border-color: var(--color-dark);
}
.location-card > p:not(.eyebrow) {
  margin-top: var(--space-3);
}
.location-card .button {
  margin-top: var(--space-4);
}
.location-note {
  max-width: 40ch;
  font-size: .875rem;
  color: var(--color-muted-dark);
}
.contact-about {
  margin-top: var(--space-5);
  max-width: var(--reading-width);
}

.breadcrumb {
  margin-bottom: var(--space-4);
}
.breadcrumb a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
}
.article-header {
  margin-bottom: var(--space-5);
}
.article-header h1 {
  font-size: clamp(1.875rem, 1.4rem + 2vw, 3.15rem);
}
.article-header time {
  display: block;
  margin-top: var(--space-3);
  color: var(--color-muted);
}
.article-image {
  width: min(100%, 40rem);
  margin-inline: auto;
}
.article-about {
  margin-top: var(--space-5);
  border-top: 1px solid var(--color-line);
  padding-top: var(--space-4);
}
.article-about h2 {
  font-size: 1.4rem;
}
.site-footer {
  background: var(--color-dark);
  color: var(--color-muted-dark);
  padding-block: var(--space-5);
}
.footer-layout {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
}
.footer-name {
  font-size: 1rem;
  font-weight: 650;
  color: var(--color-on-dark);
}
.footer-copyright {
  font-size: .8125rem;
  margin-top: .5rem;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1rem;
  list-style: none;
  padding: 0;
}
.footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--color-on-dark);
  font-size: .875rem;
}

/* 5. Responsive layout; 48rem must match the navigation's matchMedia query. */
@media (min-width: 48rem) {
  .hero-spectrum {
    opacity: var(--spectrum-opacity);
  }
  .site-header {
    position: sticky;
    top: 0;
    z-index: 10;
  }
  .site-nav {
    flex-wrap: nowrap;
  }
  .nav-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: end;
    width: auto;
    padding: 0;
  }
  .leadership-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 2.5fr);
  }
  .contact-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .organization-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--space-4);
  }
}
@media (min-width: 60rem) {
  .split-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
    gap: var(--space-5);
  }
  .news-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }
}
@media (forced-colors: active) {
  .hero-spectrum, .spectrum-toggle {
    display: none !important;
  }
  .accent {
    background: CanvasText;
    forced-color-adjust: none;
  }
  .button, .news-card, .nav-toggle {
    border: 1px solid ButtonText;
  }
  .nav-links a[aria-current] {
    outline: 1px solid LinkText;
  }
}
@media print {
  .site-header, .site-footer, .skip-link, .actions, .hero-status, .hero-spectrum {
    display: none !important;
  }
  .hero, .page-hero, .location-card {
    background: none;
    color: #000;
  }
  .hero-summary, .prose--light, .eyebrow {
    color: #333;
  }
  .container {
    width: 100%;
  }
  .section, .hero, .page-hero {
    padding-block: 1rem;
  }
  a {
    color: inherit;
  }
  h1, h2, h3 {
    break-after: avoid;
  }
  img, .news-card {
    break-inside: avoid;
  }
}