:root {
  --bg: #F7F4EE;
  --ink: #1C1B19;
  --muted: #56524B;
  --hairline: rgba(28, 27, 25, 0.14);
  --accent: #2E3A4B;

  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  padding: clamp(2rem, 5vw, 4.5rem) clamp(1.5rem, 6vw, 6rem) clamp(2rem, 5vw, 4.5rem);
}

/* ---- Header / wordmark ---- */
.masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.masthead-link {
  display: inline-flex;
  align-items: center;
  gap: clamp(0.7rem, 1.2vw, 1rem);
  text-decoration: none;
  color: var(--ink);
}

/* Top-right link, in line with the wordmark */
.nav-link {
  font-family: var(--sans);
  font-weight: 700;
  font-size: clamp(0.8rem, 1.1vw, 0.95rem);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  text-underline-offset: 0.22em;
  text-decoration-thickness: 1px;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: var(--accent);
}

.nav-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 1px;
}

.nav-link.is-current {
  color: var(--muted);
  cursor: default;
}

.masthead-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 6px;
  border-radius: 2px;
}

.mark {
  flex: none;
  display: block;
  width: 30px;
  height: 30px;
  color: var(--ink);
}

.lockup {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.wordmark {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  letter-spacing: 0.005em;
  color: var(--ink);
}

.institute {
  margin-top: 0.42em;
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(0.6rem, 1vw, 0.7rem);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---- Landing statement ---- */
main {
  margin-top: clamp(5rem, 26vh, 15rem);
  margin-bottom: clamp(4rem, 16vh, 10rem);
}

.headline {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.2rem, 5.2vw, 4rem);
  line-height: 1.12;
  letter-spacing: -0.012em;
  max-width: 27ch;
  text-wrap: balance;

  animation: rise 1.9s cubic-bezier(0.22, 0.61, 0.36, 1) both;
}

.subhead {
  margin: clamp(1.5rem, 3vw, 2.25rem) 0 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.05rem, 1.55vw, 1.32rem);
  line-height: 1.55;
  color: var(--muted);
  max-width: 55ch;
  text-wrap: pretty;
}

@keyframes rise {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .headline,
  .mission { animation: none; }
}

/* ---- Mission ---- */
main.mission {
  margin-top: clamp(3rem, 11vh, 6.5rem);
  margin-bottom: 0;
  animation: rise 1.4s cubic-bezier(0.22, 0.61, 0.36, 1) both;
}

.eyebrow {
  margin: 0 0 clamp(1.5rem, 3vw, 2.25rem);
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(0.66rem, 0.95vw, 0.74rem);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.prose {
  max-width: 88ch;
}

.prose p {
  margin: 0 0 1em;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.1rem, 1.6vw, 1.35rem);
  line-height: 1.55;
  color: var(--ink);
  text-wrap: pretty;
}

.prose p:last-child { margin-bottom: 0; }

/* Confident opening line */
.prose .lead {
  max-width: 32ch;
  margin-bottom: 0.9em;
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

/* ---- Footer / colophon ---- */
.mission + .colophon {
  margin-top: clamp(3rem, 8vh, 5rem);
}

.colophon {
  margin-top: auto;
  padding-top: clamp(1.25rem, 2.5vw, 1.75rem);
  border-top: 1px solid var(--hairline);
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(0.72rem, 0.95vw, 0.8rem);
  line-height: 1.65;
  letter-spacing: 0.01em;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem clamp(2rem, 6vw, 5rem);
  align-items: baseline;
  justify-content: space-between;
}

.colophon .contact {
  font-style: normal;
  display: flex;
  flex-direction: column;
  gap: 0.35em;
}

.colophon a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  text-decoration-color: var(--hairline);
  transition: color 0.2s ease, text-decoration-color 0.2s ease;
}

.colophon a:hover {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

.colophon a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 1px;
}

.colophon .legal {
  margin: 0;
  max-width: 38ch;
  text-align: left;
}

.colophon .legal small {
  display: block;
  font-size: inherit;
}

@media (max-width: 34rem) {
  .colophon { justify-content: flex-start; }
}