:root {
  color-scheme: light;
  --ink: #111820;
  --muted: #53606b;
  --paper: #f7fafb;
  --white: #ffffff;
  --line: #d7e0e4;
  --cyan: #087f8c;
  --aqua: #42d6d1;
  --coral: #db604b;
  --lime: #b8d46a;
  --navy: #06182b;
  --max: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a { color: inherit; }

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

.site-nav {
  position: absolute;
  z-index: 5;
  inset: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  padding: 22px 0;
  color: var(--white);
}

.site-nav.static {
  position: static;
  color: var(--ink);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  font-size: 20px;
  font-weight: 760;
  text-decoration: none;
}

.brand img { width: 36px; height: 36px; border-radius: 7px; }

.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { font-size: 14px; font-weight: 650; text-decoration: none; }
.nav-links a:hover { text-decoration: underline; text-underline-offset: 4px; }

.hero {
  position: relative;
  min-height: min(82vh, 760px);
  overflow: hidden;
  background: var(--navy);
  color: var(--white);
}

.hero > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 47%;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(3, 13, 25, 0.42);
}

.hero-copy {
  position: relative;
  z-index: 2;
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  padding-top: clamp(330px, 54vh, 500px);
  padding-bottom: 54px;
}

.hero h1 {
  max-width: 780px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(58px, 9vw, 112px);
  font-weight: 500;
  line-height: 0.92;
  letter-spacing: 0;
}

.hero p {
  max-width: 620px;
  margin: 18px 0 0;
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.35;
}

.release-note {
  display: inline-block;
  margin-top: 24px;
  border-left: 4px solid var(--aqua);
  padding: 4px 0 4px 14px;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
}

.band { padding: 88px 20px; }
.band.white { background: var(--white); }
.band.dark { background: #14232d; color: var(--white); }
.inner { width: min(100%, var(--max)); margin: 0 auto; }

.eyebrow {
  margin: 0 0 12px;
  color: var(--coral);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.section-title {
  max-width: 760px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(38px, 5vw, 62px);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: 0;
}

.lede { max-width: 680px; margin: 20px 0 0; color: var(--muted); font-size: 18px; }
.dark .lede { color: #c8d2d8; }

.feed-preview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 48px;
}

.post {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
}

.post img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.post-copy { padding: 20px; }
.post small { color: var(--cyan); font-weight: 750; }
.post h3 { margin: 7px 0 8px; font-family: Georgia, serif; font-size: 25px; line-height: 1.1; }
.post p { margin: 0; color: var(--muted); font-size: 15px; }

.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 48px;
  background: #40505a;
  border: 1px solid #40505a;
}

.principle { min-height: 240px; padding: 30px; background: #14232d; }
.principle strong { color: var(--lime); font-size: 42px; font-family: Georgia, serif; font-weight: 500; }
.principle h3 { margin: 22px 0 8px; font-size: 20px; }
.principle p { margin: 0; color: #c8d2d8; }

.closing { display: flex; align-items: end; justify-content: space-between; gap: 40px; }
.closing a { color: var(--cyan); font-weight: 750; }

footer { padding: 34px 20px; border-top: 1px solid var(--line); background: var(--white); }
.footer-inner { display: flex; justify-content: space-between; gap: 24px; width: min(100%, var(--max)); margin: 0 auto; font-size: 14px; color: var(--muted); }
.footer-links { display: flex; gap: 20px; }

.document { width: min(calc(100% - 40px), 760px); margin: 64px auto 100px; }
.document h1 { margin: 0 0 14px; font-family: Georgia, serif; font-size: clamp(44px, 7vw, 72px); font-weight: 500; line-height: 1; letter-spacing: 0; }
.document .updated { color: var(--muted); }
.document h2 { margin: 42px 0 10px; font-size: 23px; letter-spacing: 0; }
.document p, .document li { color: #34414b; }
.document a { color: var(--cyan); font-weight: 650; }
.support-callout { margin: 34px 0; border-left: 5px solid var(--coral); padding: 10px 0 10px 20px; }

@media (max-width: 760px) {
  .site-nav { width: min(calc(100% - 28px), var(--max)); }
  .nav-links a:not(:last-child) { display: none; }
  .hero { min-height: 76vh; }
  .hero-copy { width: min(calc(100% - 28px), var(--max)); padding-top: 46vh; padding-bottom: 40px; }
  .band { padding: 64px 18px; }
  .feed-preview, .principles { grid-template-columns: 1fr; }
  .post { display: grid; grid-template-columns: 42% 58%; }
  .post img { height: 100%; aspect-ratio: auto; }
  .post-copy { padding: 16px; }
  .post h3 { font-size: 21px; }
  .post p { font-size: 14px; }
  .principle { min-height: 0; }
  .closing, .footer-inner { align-items: flex-start; flex-direction: column; }
}

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