:root {
  --ink: #101923;
  --ink-soft: #4b5967;
  --paper: #f7f4ed;
  --white: #fff;
  --line: #d8d5ce;
  --accent: #e4542c;
  --accent-dark: #bd3817;
  --max-width: 1180px;
  --shadow: 0 20px 60px rgb(16 25 35 / 18%);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
}

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

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.08;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 12ch;
  margin-bottom: 1.5rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.2rem, 7vw, 6.7rem);
  font-weight: 400;
}

h2 {
  max-width: 15ch;
  margin-bottom: 1.5rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.25rem, 4.2vw, 4.2rem);
  font-weight: 400;
}

h3 {
  margin-bottom: 0.8rem;
  font-size: 1.35rem;
}

.container {
  width: min(calc(100% - 2.5rem), var(--max-width));
  margin-inline: auto;
}

.narrow {
  max-width: 900px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 1rem;
  left: 1rem;
  padding: 0.7rem 1rem;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid rgb(16 25 35 / 12%);
}

.nav {
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.wordmark {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.06em;
  text-decoration: none;
}

.wordmark span {
  color: var(--accent);
}

.nav-links,
.footer-links,
.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}

.nav-links > a:not(.button),
.footer-links a {
  text-decoration: none;
}

.nav-links > a:not(.button):hover,
.nav-links > a[aria-current="page"] {
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.2rem;
  border: 2px solid var(--accent);
  color: var(--white);
  background: var(--accent);
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  transition: background 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.button:hover {
  border-color: var(--accent-dark);
  background: var(--accent-dark);
  transform: translateY(-2px);
}

.button-small {
  min-height: 40px;
  padding: 0.55rem 1rem;
}

.button-dark {
  border-color: var(--ink);
  background: var(--ink);
}

.button-dark:hover {
  border-color: #2a3947;
  background: #2a3947;
}

.text-link {
  font-weight: 700;
  text-decoration-color: var(--accent);
}

.hero {
  padding: clamp(4rem, 9vw, 8rem) 0;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(400px, 1.1fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 7rem);
}

.eyebrow {
  margin-bottom: 1rem;
  color: var(--accent-dark);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.lede {
  max-width: 42rem;
  margin-bottom: 2rem;
  color: var(--ink-soft);
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  line-height: 1.5;
}

.status {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 2.2rem 0 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.status span {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: #3b9868;
  box-shadow: 0 0 0 4px rgb(59 152 104 / 14%);
}

.hero-image {
  position: relative;
  display: block;
  color: var(--white);
  background: var(--ink);
  box-shadow: var(--shadow);
  text-decoration: none;
  transform: rotate(1.5deg);
}

.hero-image::before {
  position: absolute;
  z-index: -1;
  inset: -1.2rem 1.2rem 1.2rem -1.2rem;
  border: 2px solid var(--accent);
  content: "";
}

.hero-image img {
  width: 100%;
  aspect-ratio: 815 / 599;
  object-fit: cover;
}

.hero-image span {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  padding: 0.45rem 0.7rem;
  background: rgb(16 25 35 / 84%);
  font-size: 0.78rem;
  font-weight: 700;
}

.section {
  padding: clamp(5rem, 10vw, 9rem) 0;
  border-top: 1px solid var(--line);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(3rem, 8vw, 9rem);
}

.prose {
  max-width: 45rem;
  color: var(--ink-soft);
  font-size: 1.1rem;
}

.prose a {
  color: var(--ink);
}

.section-dark {
  color: var(--white);
  background: var(--ink);
  border: 0;
}

.section-dark .eyebrow {
  color: #ff855f;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 4rem;
  background: rgb(255 255 255 / 20%);
}

.feature-card {
  min-height: 290px;
  padding: clamp(1.5rem, 3vw, 2.3rem);
  background: var(--ink);
}

.feature-card p:last-child {
  color: #b8c1c8;
}

.feature-number {
  margin-bottom: 4rem;
  color: #ff855f;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.4rem;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 3rem;
}

.section-heading h2 {
  margin-bottom: 0;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.gallery a {
  display: block;
  overflow: hidden;
  background: var(--ink);
}

.gallery img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: opacity 180ms ease, transform 350ms ease;
}

.gallery a:hover img,
.platform-gallery figure a:hover img {
  opacity: 0.82;
  transform: scale(1.025);
}

.history-layout {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: clamp(3rem, 8vw, 9rem);
}

.muted {
  color: var(--ink-soft);
}

.timeline {
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  display: grid;
  grid-template-columns: 9rem 1fr;
  gap: 2rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
}

.timeline li:last-child {
  border-bottom: 1px solid var(--line);
}

.timeline time,
.timeline-date {
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}

.timeline div {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: 1rem;
}

.timeline div span {
  color: var(--ink-soft);
}

.site-footer {
  padding: 4rem 0;
  color: #bac3cb;
  background: #0a1118;
}

.footer-grid {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 3rem;
}

.wordmark-light {
  color: var(--white);
}

.site-footer p {
  margin: 0.8rem 0 0;
}

.footer-links {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.footer-links a:hover {
  color: var(--white);
}

.page-hero {
  padding: clamp(5rem, 12vw, 10rem) 0;
  color: var(--white);
  background: var(--ink);
}

.page-hero h1 {
  max-width: 11ch;
}

.page-hero .eyebrow {
  color: #ff855f;
}

.page-hero .lede {
  color: #bac3cb;
}

.platform-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3rem 2rem;
}

.platform-gallery figure {
  margin: 0;
}

.platform-gallery figure a {
  display: block;
  overflow: hidden;
  background: var(--ink);
}

.platform-gallery figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: opacity 180ms ease, transform 350ms ease;
}

.platform-gallery figcaption {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1rem;
}

.platform-gallery figcaption span {
  color: var(--ink-soft);
  text-align: right;
}

.contribute-card {
  display: flex;
  min-height: 350px;
  align-items: flex-start;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 5vw, 4rem);
  color: var(--white);
  background: var(--accent);
}

.contribute-card .eyebrow {
  color: var(--ink);
}

.contribute-card h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.contribute-card .button {
  margin-top: 1rem;
}

@media (max-width: 900px) {
  .hero-grid,
  .split,
  .history-layout {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: 5rem;
  }

  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-card {
    min-height: 240px;
  }

  .feature-number {
    margin-bottom: 2.5rem;
  }
}

@media (max-width: 680px) {
  .nav {
    min-height: 68px;
  }

  .nav-links > a:not(.button) {
    display: none;
  }

  .nav-links {
    gap: 0;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-actions,
  .section-heading,
  .footer-grid {
    align-items: flex-start;
    flex-direction: column;
  }

  .feature-grid,
  .gallery,
  .platform-gallery {
    grid-template-columns: 1fr;
  }

  .timeline li,
  .timeline div {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .footer-links {
    justify-content: flex-start;
  }

  .platform-gallery figcaption {
    flex-direction: column;
    gap: 0.2rem;
  }

  .platform-gallery figcaption span {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}