:root {
  color-scheme: light;
  --background: #ffffff;
  --ink: #111417;
  --secondary: #60666b;
  --quiet: #9da3a8;
  --hairline: rgba(17, 20, 23, 0.08);
  --veil: #fafcfc;
  --mist: #f0f7f7;
  --blue: #6ea8ba;
  --green: #8ab894;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--ink);
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "SF Pro Display",
    "Segoe UI",
    sans-serif;
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  color: var(--secondary);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 0 32px;
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid var(--hairline);
  backdrop-filter: blur(18px);
}

.brand,
.site-nav,
.site-footer {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-size: 16px;
  font-weight: 650;
}

.brand-mark {
  width: 18px;
  height: 18px;
  border: 1px solid rgba(110, 168, 186, 0.5);
  border-radius: 50%;
  box-shadow:
    inset 0 0 0 5px var(--background),
    0 0 0 6px rgba(138, 184, 148, 0.12);
}

.site-nav {
  gap: 22px;
  color: var(--secondary);
  font-size: 14px;
  font-weight: 500;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 56px;
  align-items: center;
  max-width: 1180px;
  min-height: calc(100svh - 72px);
  margin: 0 auto;
  padding: 64px 32px 74px;
}

.hero-copy {
  max-width: 560px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--quiet);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 4px;
  font-size: clamp(76px, 13vw, 156px);
  font-weight: 540;
  line-height: 0.9;
}

.tagline {
  margin-bottom: 28px;
  color: var(--secondary);
  font-size: 22px;
}

.lede {
  max-width: 470px;
  margin-bottom: 34px;
  color: var(--secondary);
  font-size: 19px;
  line-height: 1.62;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  background: var(--ink);
  color: #ffffff;
  font-size: 15px;
  font-weight: 650;
}

.button:hover {
  color: #ffffff;
  background: rgba(17, 20, 23, 0.82);
}

.hero-media {
  display: flex;
  justify-content: center;
}

.hero-media img {
  display: block;
  width: min(100%, 620px);
  height: auto;
  border-radius: 8px;
}

.principles,
.info-section {
  max-width: 1180px;
  margin: 0 auto;
  padding: 68px 32px;
  border-top: 1px solid var(--hairline);
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 42px;
}

.principles article span {
  display: block;
  margin-bottom: 24px;
  color: var(--quiet);
  font-size: 13px;
  font-weight: 650;
}

.principles h2,
.info-section h2,
.document h2 {
  margin-bottom: 14px;
  font-size: 24px;
  font-weight: 560;
  line-height: 1.2;
}

.principles p,
.info-copy p,
.document p {
  color: var(--secondary);
  font-size: 16px;
  line-height: 1.68;
}

.info-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 56px;
}

.info-copy {
  max-width: 660px;
}

.info-copy a,
.document a,
.site-footer a {
  color: var(--ink);
  font-weight: 650;
  text-decoration: underline;
  text-decoration-color: var(--hairline);
  text-underline-offset: 4px;
}

.site-footer {
  gap: 20px;
  justify-content: center;
  min-height: 96px;
  padding: 24px 32px;
  color: var(--secondary);
  border-top: 1px solid var(--hairline);
  font-size: 14px;
}

.document {
  max-width: 760px;
  margin: 0 auto;
  padding: 78px 32px 96px;
}

.document h1 {
  margin-bottom: 18px;
  font-size: clamp(44px, 8vw, 72px);
  line-height: 1;
}

.document h2 {
  margin-top: 42px;
}

@media (max-width: 820px) {
  .site-header {
    min-height: 68px;
    padding: 0 20px;
  }

  .site-nav {
    gap: 14px;
    font-size: 13px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 34px;
    min-height: auto;
    padding: 46px 20px 56px;
  }

  .hero-media {
    justify-content: flex-start;
  }

  .hero-media img {
    width: min(100%, 520px);
  }

  .principles,
  .info-section {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 52px 20px;
  }

  .site-footer {
    flex-wrap: wrap;
    justify-content: flex-start;
    padding: 24px 20px;
  }
}

@media (max-width: 560px) {
  .site-nav a:nth-child(2),
  .site-nav a:nth-child(3) {
    display: none;
  }

  .lede {
    font-size: 17px;
  }

  .principles {
    gap: 34px;
  }
}