:root {
  --ink: #10212A;
  --paper: #F2F0E9;
  --teal: #2A746E;
  --coral: #D96754;
  --steel: #65747C;
  --white: #FCFBF6;
  --line: rgba(16, 33, 42, .14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-underline-offset: .25em; }
img { display: block; max-width: 100%; }
.skip { position: fixed; top: .75rem; left: -100%; z-index: 20; background: var(--white); padding: .75rem 1rem; }
.skip:focus { left: .75rem; }
:focus-visible { outline: 3px solid var(--coral); outline-offset: 4px; }

.site-header {
  min-height: 5rem;
  padding: 1rem clamp(1.25rem, 4vw, 4rem);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2rem;
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; font-size: 1.25rem; font-weight: 800; letter-spacing: -.03em; }
.brand img { width: 2.75rem; height: 2.75rem; border-radius: .8rem; }
.site-header nav, footer nav { display: flex; justify-content: center; flex-wrap: wrap; gap: clamp(.8rem, 2.5vw, 2rem); }
.site-header nav a, footer nav a { text-decoration: none; font-size: .88rem; }
.site-header nav a:hover, footer nav a:hover { text-decoration: underline; }
.language { font-size: .82rem; font-weight: 700; }

.hero {
  background: var(--ink);
  color: var(--white);
  min-height: min(48rem, calc(100vh - 5rem));
  padding: clamp(4rem, 9vw, 8rem) clamp(1.25rem, 7vw, 7rem) 0;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(18rem, .75fr);
  gap: clamp(2rem, 6vw, 7rem);
  overflow: hidden;
  position: relative;
}
.hero::after { content: ""; position: absolute; width: 30rem; height: 30rem; border: 1px solid rgba(242,240,233,.18); border-radius: 50%; right: -12rem; top: -15rem; }
.hero-copy { max-width: 47rem; align-self: center; padding-bottom: 6rem; position: relative; z-index: 1; }
.eyebrow { color: var(--teal); font-size: .72rem; line-height: 1.2; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.hero .eyebrow { color: #6BC3BA; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(3rem, 8vw, 7.25rem); line-height: .92; letter-spacing: -.065em; margin-bottom: 1.75rem; }
.lead { font-size: clamp(1.15rem, 2vw, 1.55rem); color: var(--steel); max-width: 48rem; }
.hero .lead { color: rgba(252,251,246,.72); max-width: 42rem; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; margin: 2rem 0; }
.store { display: inline-flex; align-items: center; min-height: 3.25rem; padding: .8rem 1.2rem; border-radius: .4rem; background: var(--teal); color: white; text-decoration: none; font-weight: 750; }
.store.disabled { background: rgba(252,251,246,.11); color: rgba(252,251,246,.68); border: 1px solid rgba(252,251,246,.18); }
.proof { display: flex; flex-wrap: wrap; gap: .7rem 1.5rem; list-style: none; padding: 0; font-size: .83rem; color: rgba(252,251,246,.65); }
.proof li::before { content: "✓"; color: #6BC3BA; margin-right: .45rem; }

.device { align-self: end; position: relative; z-index: 1; width: min(100%, 29rem); margin-inline: auto; transform: rotate(2deg) translateY(3rem); }
.device img { border: .65rem solid #080F13; border-radius: 3.1rem; box-shadow: 0 2.5rem 6rem rgba(0,0,0,.35); }
.seal { position: absolute; width: 7rem; height: 7rem; border-radius: 50%; background: var(--coral); right: -2rem; top: 8%; z-index: 2; }
.seal::before { content: ""; position: absolute; width: 1.35rem; height: 1.35rem; background: var(--paper); border-radius: 50%; left: 2.85rem; top: 2rem; }
.seal::after { content: ""; position: absolute; width: .85rem; height: 2.2rem; background: var(--paper); left: 3.1rem; top: 3rem; clip-path: polygon(50% 0, 100% 100%, 0 100%); }

.principles { padding: clamp(5rem, 10vw, 9rem) clamp(1.25rem, 7vw, 7rem); }
.principles > header { display: grid; grid-template-columns: 1fr 2fr; align-items: end; margin-bottom: 4rem; }
.principles h2, .boundary h2, .closing h2 { font-size: clamp(2.3rem, 5vw, 5rem); line-height: 1; letter-spacing: -.055em; max-width: 54rem; margin-bottom: 0; }
.principles > div { border-top: 1px solid var(--ink); }
.principles article { display: grid; grid-template-columns: 5rem minmax(12rem, .7fr) minmax(15rem, 1fr); gap: 2rem; padding: 2rem 0; border-bottom: 1px solid var(--line); }
.principles article > span { color: var(--coral); font-family: ui-monospace, monospace; }
.principles article h3 { font-size: 1.25rem; }
.principles article p { color: var(--steel); max-width: 38rem; }

.boundary { background: var(--teal); color: white; padding: clamp(5rem, 10vw, 9rem) clamp(1.25rem, 10vw, 11rem); }
.boundary .eyebrow { color: rgba(255,255,255,.66); }
.boundary p:last-child { max-width: 58rem; font-size: clamp(1.1rem, 2vw, 1.5rem); color: rgba(255,255,255,.78); margin: 2.5rem 0 0 auto; }
.closing { min-height: 30rem; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 2.5rem; padding: 5rem clamp(1.25rem, 10vw, 11rem); }
.closing .store.disabled { background: var(--ink); color: var(--paper); }

.legal { width: min(100% - 2.5rem, 70rem); margin: 0 auto; padding: clamp(4rem, 8vw, 7rem) 0 8rem; }
.legal > header { max-width: 60rem; border-bottom: 1px solid var(--ink); padding-bottom: 3rem; margin-bottom: 1rem; }
.legal h1 { font-size: clamp(3rem, 7vw, 6.5rem); }
.legal > section { display: grid; grid-template-columns: minmax(12rem, .5fr) minmax(18rem, 1fr); gap: 3rem; padding: 2.5rem 0; border-bottom: 1px solid var(--line); }
.legal > section h2 { font-size: 1.25rem; }
.legal > section p { color: var(--steel); font-size: 1.05rem; }

footer { background: var(--ink); color: rgba(252,251,246,.72); padding: 2.5rem clamp(1.25rem, 4vw, 4rem); display: grid; grid-template-columns: 1fr auto 1fr; gap: 2rem; align-items: center; font-size: .78rem; }
footer p { margin: 0; }
footer p:last-child { text-align: right; }

@media (max-width: 800px) {
  .site-header { grid-template-columns: 1fr auto; gap: .75rem; }
  .site-header nav { grid-column: 1 / -1; order: 3; justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding: .5rem 0; }
  .hero { grid-template-columns: 1fr; padding-top: 4rem; }
  .hero-copy { padding-bottom: 1rem; }
  .device { width: min(78vw, 23rem); }
  .principles > header { grid-template-columns: 1fr; gap: 1rem; }
  .principles article, .legal > section { grid-template-columns: 1fr; gap: .5rem; }
  .principles article { grid-template-columns: 3rem 1fr; }
  .principles article p { grid-column: 2; }
  footer { grid-template-columns: 1fr; }
  footer nav { justify-content: flex-start; }
  footer p:last-child { text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .device { transform: none; }
}