:root {
  color-scheme: light;
  --ink: #182633;
  --slate: #53606b;
  --coral: #e76f51;
  --coral-dark: #bd4e35;
  --teal: #2a7f78;
  --warm: #f6f1e8;
  --paper: #fffdf9;
  --line: #d8d2c7;
  --shadow: 0 18px 54px rgb(24 38 51 / 10%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 86% 5%, rgb(42 127 120 / 10%), transparent 27rem),
    var(--paper);
  font-size: 17px;
  line-height: 1.65;
}
a { color: var(--teal); text-underline-offset: .18em; }
a:hover { color: var(--coral-dark); }
img { max-width: 100%; }
.skip-link {
  position: absolute;
  left: -9999px;
  top: .5rem;
  z-index: 100;
  padding: .7rem 1rem;
  color: white;
  background: var(--ink);
}
.skip-link:focus { left: .5rem; }
.site-header {
  border-bottom: 1px solid var(--line);
  background: rgb(255 253 249 / 92%);
  backdrop-filter: blur(12px);
}
.header-inner, .page, .footer-inner {
  width: min(1120px, calc(100% - 2.2rem));
  margin-inline: auto;
}
.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand-link {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  color: var(--ink);
  font-weight: 760;
  text-decoration: none;
  letter-spacing: -.02em;
}
.brand-link img { width: 44px; height: 44px; }
.nav-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: .3rem 1.1rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: .92rem;
}
.nav-list a { color: var(--ink); text-decoration: none; }
.nav-list a[aria-current="page"] { color: var(--coral-dark); font-weight: 700; }
.language-link { padding-left: 1rem; border-left: 1px solid var(--line); }
.hero {
  min-height: 680px;
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(280px, .72fr);
  align-items: center;
  gap: clamp(2rem, 7vw, 7rem);
  padding-block: clamp(4.5rem, 9vw, 8rem);
}
.eyebrow {
  margin: 0 0 1rem;
  color: var(--coral-dark);
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .13em;
  text-transform: uppercase;
}
h1, h2, h3 { line-height: 1.15; letter-spacing: -.035em; }
h1 { max-width: 900px; margin: 0; font-size: clamp(3.1rem, 8vw, 6.8rem); }
h2 { margin: 0 0 1rem; font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { margin-top: 1.8rem; font-size: 1.25rem; }
.lede { max-width: 720px; margin: 1.5rem 0 0; color: var(--slate); font-size: clamp(1.12rem, 2vw, 1.35rem); }
.actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: .7rem 1.15rem;
  border: 1px solid var(--ink);
  border-radius: 999px;
  color: white;
  background: var(--ink);
  font-weight: 720;
  text-decoration: none;
}
.button.secondary { color: var(--ink); background: transparent; }
.button:hover { color: white; background: var(--coral-dark); border-color: var(--coral-dark); }
.hero-mark {
  width: min(100%, 390px);
  justify-self: center;
  filter: drop-shadow(0 28px 42px rgb(24 38 51 / 16%));
}
.section { padding-block: clamp(4rem, 8vw, 7rem); border-top: 1px solid var(--line); }
.section-intro { max-width: 760px; color: var(--slate); font-size: 1.15rem; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 2rem; }
.comparison-grid { grid-template-columns: repeat(2, 1fr); }
.card {
  padding: clamp(1.4rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgb(255 255 255 / 72%);
  box-shadow: var(--shadow);
}
.card h3 { margin-top: 0; }
.number { color: var(--coral-dark); font-weight: 850; }
.callout {
  padding: clamp(1.5rem, 4vw, 2.7rem);
  border-radius: 26px;
  color: white;
  background: var(--ink);
}
.callout a { color: #9cddd7; }
.document { width: min(820px, 100%); padding-block: clamp(3.5rem, 7vw, 6rem); }
.document h1 { font-size: clamp(2.6rem, 7vw, 4.8rem); }
.document h2 { margin-top: 3.2rem; font-size: 1.75rem; }
.document-meta {
  margin: 1.5rem 0 3rem;
  padding: 1rem 1.2rem;
  border-left: 4px solid var(--coral);
  color: var(--slate);
  background: var(--warm);
}
.document li + li { margin-top: .5rem; }
.site-footer { border-top: 1px solid var(--line); background: var(--warm); }
.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem 3rem;
  padding-block: 2.5rem;
  color: var(--slate);
  font-size: .9rem;
}
.footer-links { display: flex; flex-wrap: wrap; gap: .6rem 1rem; justify-content: flex-end; }
.footer-links a { color: var(--ink); }
code { padding: .12em .35em; border-radius: .35em; background: var(--warm); font-size: .9em; }

@media (max-width: 820px) {
  .header-inner { align-items: flex-start; flex-direction: column; padding-block: .8rem; }
  .nav-list { justify-content: flex-start; }
  .language-link { padding-left: 0; border-left: 0; }
  .hero { min-height: auto; grid-template-columns: 1fr; }
  .hero-mark { width: min(72vw, 320px); grid-row: 1; }
  .grid { grid-template-columns: 1fr; }
  .comparison-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
}

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