:root {
  color-scheme: light;
  --ink: #15263f;
  --muted: #647084;
  --paper: #f7f4ec;
  --surface: #fffdf8;
  --night: #12264a;
  --moon: #efe3ae;
  --blue: #4d78a8;
  --line: rgba(21, 38, 63, 0.14);
  --shadow: 0 24px 70px rgba(18, 38, 74, 0.12);
  --radius: 8px;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  background:
    linear-gradient(rgba(247, 244, 236, 0.95), rgba(247, 244, 236, 0.95)),
    url("/assets/pattern-tile.png") top center / 180px auto repeat,
    var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 12% 8%, rgba(77, 120, 168, 0.16), transparent 34rem),
    radial-gradient(circle at 88% 20%, rgba(239, 227, 174, 0.22), transparent 30rem),
    linear-gradient(to bottom, rgba(247, 244, 236, 0.08), var(--paper) 78%);
  pointer-events: none;
}

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.22em;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background: rgba(247, 244, 236, 0.86);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 760;
  text-decoration: none;
  white-space: nowrap;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
}

.site-header nav,
.site-footer nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
  color: var(--muted);
  font-size: 0.94rem;
}

.site-header nav a,
.site-footer nav a {
  text-decoration: none;
}

.site-header nav a:hover,
.site-footer nav a:hover {
  color: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 1fr);
  gap: clamp(28px, 5.5vw, 84px);
  align-items: center;
  min-height: calc(100svh - 72px);
  padding: clamp(18px, 3vw, 40px) clamp(18px, 6vw, 92px)
    clamp(8px, 1.5vw, 18px);
}

.hero__content {
  max-width: 820px;
}

.kicker {
  margin: 0 0 18px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 780;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 11ch;
  margin-bottom: 24px;
  font-size: 6em;
  line-height: 0.82;
  letter-spacing: 0;
}

h2 {
  max-width: 920px;
  margin-bottom: 0;
  font-size: clamp(2.1rem, 5vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: clamp(1.18rem, 2vw, 1.52rem);
  line-height: 1.16;
  letter-spacing: 0;
}

.hero__lead {
  max-width: 640px;
  color: #3f4d62;
  font-size: clamp(1.16rem, 2.1vw, 1.55rem);
  line-height: 1.42;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-weight: 740;
  text-decoration: none;
}

.button--primary {
  background: var(--ink);
  color: var(--surface);
}

.button--ghost {
  background: transparent;
}

.hero__signal {
  align-self: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero__signal img {
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

dl {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: clamp(20px, 2.8vw, 32px);
}

dt,
.contact-grid span {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 780;
  letter-spacing: 0;
  text-transform: uppercase;
}

dd {
  margin: 3px 0 0;
  font-size: clamp(1.04rem, 1.5vw, 1.24rem);
  font-weight: 720;
  line-height: 1.25;
}

.section {
  padding: clamp(52px, 8vw, 96px) clamp(18px, 6vw, 92px);
}

.section--news {
  padding-top: clamp(10px, 2vw, 24px);
}

.section--letter {
  padding-top: clamp(34px, 5vw, 64px);
}

.section__heading {
  display: grid;
  gap: 4px;
  margin-bottom: clamp(28px, 5vw, 56px);
}

.linked-title {
  display: flex;
  align-items: center;
  gap: 14px;
}

.copy-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
  color: var(--blue);
  cursor: pointer;
}

.copy-link:hover,
.copy-link:focus-visible {
  border-color: var(--blue);
  background: var(--blue);
  color: var(--surface);
}

.copy-link:active {
  transform: translateY(1px);
}

.copy-link.is-copied {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--surface);
}

.copy-link svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.letter-layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(260px, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.open-letter,
.signatories {
  background: var(--surface);
  padding: clamp(24px, 4vw, 44px);
}

.open-letter {
  font-size: clamp(1.02rem, 1.45vw, 1.2rem);
}

.open-letter header {
  margin-bottom: clamp(28px, 4vw, 46px);
}

.letter-label {
  margin-bottom: 8px;
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 780;
  text-transform: uppercase;
}

.open-letter h3,
.signatories h3 {
  margin: 0;
}

.open-letter h3 {
  max-width: 760px;
  font-size: clamp(1.55rem, 3vw, 2.8rem);
}

#letter-title {
  max-width: none;
  white-space: nowrap;
}

.open-letter p {
  max-width: 780px;
  color: #3f4d62;
}

.open-letter sup a {
  font-weight: 780;
  text-decoration: none;
}

.footnotes {
  display: grid;
  gap: 10px;
  margin: clamp(28px, 4vw, 42px) 0 0;
  padding-left: 1.2em;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.signatories h3 {
  margin-bottom: 28px;
  font-size: clamp(1.25rem, 2vw, 1.6rem);
}

.signatories ul {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.signatories li {
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-weight: 760;
}

.signatories__join {
  display: inline-flex;
  margin-top: 28px;
  color: var(--blue);
  font-weight: 780;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.news-card {
  display: flex;
  flex-direction: column;
  min-height: 360px;
  padding: clamp(22px, 3vw, 34px);
  background: var(--surface);
}

.news-card time {
  margin-bottom: 42px;
  color: var(--blue);
  font-size: 0.84rem;
  font-weight: 780;
}

.news-card p {
  color: #4c596d;
}

.news-card a {
  margin-top: auto;
  font-weight: 760;
}

.media-list {
  display: grid;
  margin: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
  list-style: none;
}

.media-item {
  display: grid;
  grid-template-columns: minmax(120px, 0.22fr) minmax(0, 1fr) minmax(150px, 0.28fr);
  gap: clamp(16px, 3vw, 34px);
  align-items: baseline;
  padding: clamp(18px, 2.5vw, 28px) clamp(20px, 3vw, 34px);
  background: var(--surface);
}

.media-item time,
.media-item span {
  color: var(--muted);
  font-size: 0.88rem;
}

.media-item a {
  font-size: clamp(1.04rem, 1.5vw, 1.26rem);
  font-weight: 760;
  line-height: 1.25;
}

.media-item span {
  justify-self: end;
  text-align: right;
}

.section--about {
  background: var(--night);
  color: var(--surface);
}

.section--about .kicker {
  color: var(--moon);
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(32px, 6vw, 90px);
  align-items: start;
}

.about-copy {
  color: rgba(255, 253, 248, 0.76);
  font-size: clamp(1.08rem, 1.8vw, 1.34rem);
}

.principles {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 253, 248, 0.17);
  border-radius: var(--radius);
  list-style: none;
  background: rgba(255, 253, 248, 0.16);
}

.principles li {
  display: grid;
  grid-template-columns: 0.85fr 1fr;
  gap: 18px;
  padding: clamp(20px, 3vw, 30px);
  background: rgba(255, 253, 248, 0.06);
}

.principles strong {
  font-size: 1.12rem;
  line-height: 1.2;
}

.principles span {
  color: rgba(255, 253, 248, 0.72);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
}

.contact {
  background: var(--night);
  color: var(--surface);
}

.contact .kicker {
  color: var(--moon);
}

.contact .contact-grid {
  border-color: rgba(255, 253, 248, 0.17);
  background: rgba(255, 253, 248, 0.16);
}

address,
.contact-panel {
  min-height: 220px;
  padding: clamp(22px, 3vw, 34px);
  background: var(--surface);
  font-style: normal;
}

.contact address,
.contact .contact-panel {
  background: rgba(255, 253, 248, 0.06);
  color: var(--surface);
}

.contact .contact-grid span {
  color: rgba(255, 253, 248, 0.68);
}

.contact .contact-panel p {
  color: rgba(255, 253, 248, 0.72);
}

address span,
.contact-panel span {
  display: block;
  margin-bottom: 22px;
}

.contact-panel {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.contact-panel strong {
  font-size: 1.28rem;
}

.contact-panel p {
  color: var(--muted);
}

.representative {
  display: grid;
  gap: 4px;
}

.representative + .representative {
  margin-top: 24px;
}

.representative p {
  margin: 0;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 26px clamp(18px, 4vw, 56px);
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 0;
  color: var(--muted);
}

@media (max-width: 900px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-header nav,
  .site-footer nav {
    flex-wrap: wrap;
  }

  .hero,
  .letter-layout,
  .about-layout,
  .news-grid,
  .media-item,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero__signal {
    min-height: 0;
  }

  .hero__signal img {
    width: 100%;
  }

  .news-card {
    min-height: 280px;
  }

  .media-item {
    gap: 8px;
  }

  .media-item span {
    justify-self: start;
    text-align: left;
  }
}

@media (max-width: 560px) {
  .brand span {
    white-space: normal;
  }

  .site-header nav {
    width: 100%;
    justify-content: space-between;
    gap: 8px;
    font-size: 0.88rem;
  }

  h1 {
    font-size: clamp(3.8rem, 17vw, 6em);
  }

  .hero__actions,
  .button {
    width: 100%;
  }

  .principles li {
    grid-template-columns: 1fr;
  }

  #letter-title {
    white-space: normal;
  }
}