:root {
  color-scheme: light;
  --ink: #101512;
  --muted: #5a665f;
  --paper: #f6f5ee;
  --panel: #fff;
  --line: #d8ddd8;
  --accent: #20ad67;
  --accent-dark: #087443;
  --accent-soft: #d9f4e5;
  --display: "Arial Black", "Avenir Next", "Segoe UI", sans-serif;
  --body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--paper); color: var(--ink); font: 1rem/1.65 var(--body); }
a { color: inherit; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; border-radius: .2rem; }
.site-shell { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; }
.site-header { border-bottom: 1px solid var(--line); background: var(--paper); }
.nav { min-height: 4.75rem; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; font-family: var(--display); font-size: 1.1rem; letter-spacing: -.03em; }
.brand-mark { display: grid; place-items: center; width: 2.2rem; height: 2.2rem; border-radius: .65rem .65rem .65rem .15rem; background: var(--ink); color: var(--paper); font-size: .95rem; box-shadow: .35rem .35rem 0 var(--accent); }
.nav-links { display: flex; align-items: center; gap: 1.4rem; list-style: none; padding: 0; margin: 0; font-size: .94rem; font-weight: 650; }
.nav-links a { text-decoration-thickness: 1px; text-underline-offset: .3rem; }
.nav-links a:not(:hover):not([aria-current="page"]) { text-decoration-color: transparent; }
.status-pill { display: inline-flex; align-items: center; gap: .55rem; width: fit-content; padding: .42rem .72rem; border: 1px solid #a8d8bb; border-radius: 999px; background: var(--accent-soft); color: #075734; font-size: .78rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.status-pill::before { content: ""; width: .5rem; height: .5rem; border-radius: 50%; background: var(--accent); }
.hero { position: relative; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr); gap: clamp(2.5rem, 8vw, 7rem); align-items: center; min-height: 690px; padding: 5.5rem 0 6rem; overflow: hidden; }
.hero::after { content: ""; position: absolute; z-index: -1; right: -13rem; bottom: -17rem; width: 42rem; height: 42rem; border: 1px solid #bdc8c0; border-radius: 50%; box-shadow: 0 0 0 4rem rgba(32,173,103,.06), 0 0 0 8rem rgba(16,21,18,.025); }
h1, h2, h3 { font-family: var(--display); letter-spacing: -.045em; line-height: 1.03; }
h1 { max-width: 13ch; margin: 1.5rem 0 1.35rem; font-size: clamp(3.2rem, 8vw, 6.9rem); }
.hero-lead { max-width: 40rem; margin: 0; color: var(--muted); font-size: clamp(1.1rem, 2vw, 1.35rem); line-height: 1.55; }
.hero-note { margin: 2rem 0 0; padding-left: 1rem; border-left: 3px solid var(--accent); color: var(--muted); font-size: .94rem; }
.signal-board { position: relative; min-height: 430px; border: 1px solid var(--ink); border-radius: 1.4rem; background: linear-gradient(rgba(16,21,18,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(16,21,18,.07) 1px, transparent 1px), var(--panel); background-size: 2.25rem 2.25rem; box-shadow: 1rem 1rem 0 var(--ink); overflow: hidden; }
.signal-board::before, .signal-board::after { content: ""; position: absolute; border-radius: 50%; }
.signal-board::before { width: 16rem; height: 16rem; top: 3.8rem; left: 4rem; border: 2px solid var(--ink); background: rgba(217,244,229,.82); }
.signal-board::after { width: 7rem; height: 7rem; right: 2.2rem; bottom: 2.4rem; background: var(--accent); box-shadow: -11rem 7rem 0 -1.2rem var(--ink); }
.signal-line { position: absolute; z-index: 1; height: 2px; background: var(--ink); transform-origin: left center; }
.signal-line.one { width: 12rem; top: 12rem; left: 8rem; transform: rotate(35deg); }
.signal-line.two { width: 9rem; top: 18rem; right: 3rem; transform: rotate(-42deg); }
.signal-label { position: absolute; z-index: 2; padding: .5rem .7rem; border: 1px solid var(--ink); border-radius: .45rem; background: var(--paper); font-size: .74rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.signal-label.collection { top: 2rem; left: 2rem; }
.signal-label.market { top: 13rem; right: 1.6rem; }
.signal-label.decision { bottom: 2rem; left: 2.4rem; }
.section { padding: 6rem 0; border-top: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 3rem; margin-bottom: 3rem; }
.eyebrow { margin: 0 0 .7rem; color: var(--accent-dark); font-size: .78rem; font-weight: 850; letter-spacing: .11em; text-transform: uppercase; }
.section h2 { margin: 0; font-size: clamp(2.1rem, 5vw, 4.2rem); }
.section-intro { max-width: 43rem; margin: 0; color: var(--muted); font-size: 1.08rem; }
.pillar-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; border: 1px solid var(--line); background: var(--line); }
.pillar { min-height: 265px; padding: 2rem; background: var(--panel); }
.pillar-number { display: block; margin-bottom: 4rem; color: var(--accent-dark); font: 800 .75rem/1 var(--body); letter-spacing: .1em; }
.pillar h3 { margin: 0 0 .85rem; font-size: 1.45rem; }
.pillar p { margin: 0; color: var(--muted); }
.oauth-strip { padding: 4rem 0; border-top: 1px solid #a8d8bb; background: var(--accent-soft); }
.oauth-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 3rem; align-items: start; }
.oauth-layout h2 { max-width: 15ch; margin: 0; font-size: clamp(1.8rem, 4vw, 3.2rem); }
.oauth-layout p { max-width: 44rem; margin: 0 0 1rem; color: #244833; }
.oauth-layout a { color: #075734; font-weight: 800; text-underline-offset: .3rem; }
.scope-band { background: var(--ink); color: var(--paper); }
.scope-band .section { border: 0; }
.scope-band .eyebrow { color: #65e09d; }
.scope-band .section-intro { color: #bbc6bf; }
.scope-list { display: flex; flex-wrap: wrap; gap: .8rem; }
.scope-item { padding: .85rem 1.1rem; border: 1px solid #49534d; border-radius: 999px; color: #eaf0ec; font-weight: 700; }
.scope-item.future { color: #9eaaa3; border-style: dashed; }
.legal-page { padding: 5.5rem 0 7rem; }
.legal-header { max-width: 780px; margin-bottom: 4rem; }
.legal-header h1 { max-width: none; margin-bottom: 1rem; font-size: clamp(2.8rem, 7vw, 5.6rem); }
.legal-header p { max-width: 44rem; color: var(--muted); font-size: 1.1rem; }
.updated { display: inline-block; margin-top: 1rem; color: var(--muted); font-size: .88rem; font-weight: 700; }
.legal-layout { display: grid; grid-template-columns: 220px minmax(0, 720px); gap: clamp(2rem, 8vw, 7rem); align-items: start; }
.legal-nav { position: sticky; top: 2rem; padding: 1.25rem; border: 1px solid var(--line); background: var(--panel); }
.legal-nav strong { display: block; margin-bottom: .8rem; font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; }
.legal-nav a { display: block; padding: .35rem 0; color: var(--muted); font-size: .9rem; text-underline-offset: .25rem; }
.legal-content section { scroll-margin-top: 2rem; padding: 0 0 2.5rem; }
.legal-content h2 { margin: 0 0 1rem; font-size: clamp(1.5rem, 3vw, 2rem); letter-spacing: -.025em; }
.legal-content p, .legal-content li { color: #303a34; }
.legal-content ul { padding-left: 1.35rem; }
.notice { margin: 1.5rem 0; padding: 1.2rem 1.35rem; border-left: 4px solid var(--accent); background: var(--accent-soft); color: #164b30; }
.site-footer { padding: 2.4rem 0; border-top: 1px solid var(--line); }
.footer-layout { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.footer-copy { margin: 0; color: var(--muted); font-size: .88rem; }
.footer-links { display: flex; gap: 1.2rem; font-size: .9rem; font-weight: 700; }

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 4rem; }
  .signal-board { min-height: 340px; width: min(100%, 500px); box-shadow: .65rem .65rem 0 var(--ink); }
  .signal-board::before { width: 13rem; height: 13rem; }
  .section-heading, .legal-layout, .oauth-layout { grid-template-columns: 1fr; }
  .pillar-grid { grid-template-columns: 1fr; }
  .pillar { min-height: 0; }
  .pillar-number { margin-bottom: 2.5rem; }
  .legal-nav { position: static; }
}

@media (max-width: 580px) {
  .site-shell { width: min(100% - 1.25rem, 1120px); }
  .nav { align-items: flex-start; padding: 1rem 0; }
  .nav-links { align-items: flex-end; flex-direction: column; gap: .35rem; }
  .hero { padding: 3.5rem 0 4.5rem; }
  h1 { font-size: clamp(2.75rem, 16vw, 4.4rem); }
  .signal-board { min-height: 300px; }
  .signal-board::before { top: 4rem; left: 2.8rem; width: 10rem; height: 10rem; }
  .signal-line.one { left: 5rem; width: 10rem; }
  .signal-label.market { top: 10rem; }
  .section, .legal-page { padding: 4.5rem 0; }
  .footer-layout { align-items: flex-start; flex-direction: column; }
}

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