/* EDEL public landing page — V1 Aurora (charter §1.1). Shares the production
   palette with the client (aurora.css) so the brand reads the same on both
   pages. No external fonts or images: everything is CSS + inline SVG, and the
   page works with the strict CSP served by the Go binary. */

:root {
  --bg: #05080d;
  --panel: rgba(14, 22, 29, .72);
  --panel2: rgba(10, 17, 23, .9);
  --text: #edf6f2;
  --muted: #8fa4a7;
  --line: rgba(168, 230, 200, .16);
  --accent: #a8e6c8;
  --accent2: #8fb8ff;
  --ink: #072018;
  --radius: 22px;
  --display: "Segoe UI", Roboto, system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(760px 520px at 8% -8%, rgba(92, 207, 169, .22), transparent 66%),
    radial-gradient(720px 560px at 98% 66%, rgba(102, 151, 255, .16), transparent 72%),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--display);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 28px; }
.mono { font-family: var(--mono); }

/* top bar */
.topbar { display: flex; align-items: center; gap: 26px; padding: 22px 0; }
.wordmark { display: flex; align-items: baseline; gap: 10px; text-decoration: none; }
.wordmark b { font: 700 23px/1 var(--display); letter-spacing: .16em; }
.wordmark span { font: 600 9.5px/1 var(--mono); letter-spacing: .28em; color: var(--muted); text-transform: uppercase; }
.nav { display: flex; gap: 22px; margin-left: auto; }
.nav a { color: var(--muted); text-decoration: none; font-size: 13.5px; }
.nav a:hover { color: var(--text); }
.top-actions { display: flex; gap: 10px; align-items: center; }
.lang { display: flex; gap: 2px; padding: 3px; border: 1px solid var(--line); border-radius: 999px; }
.lang span { font: 600 10px/1 var(--mono); letter-spacing: .08em; padding: 4px 7px; border-radius: 999px; color: var(--muted); }
.lang span.on { background: var(--accent); color: var(--ink); }
/* Landing language selector (charter §1.1): same five languages as the login form. */
.lang-sel { appearance: none; -webkit-appearance: none; background-color: #0b131a; color: var(--text);
  color-scheme: dark;
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 26px 6px 10px;
  font: 600 10px/1 var(--mono); letter-spacing: .08em; cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 12px) 50%, calc(100% - 8px) 50%;
  background-size: 4px 4px, 4px 4px; background-repeat: no-repeat; }
/* Native option popups inherit the page text colour in some browsers; give both
   the closed control and the list an explicit dark background (white-on-white). */
.lang-sel option { background: #0b131a; color: var(--text); }
.lang-sel:focus { outline: 1px solid var(--accent); outline-offset: 2px; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  text-decoration: none; font: 650 13.5px/1 var(--display); padding: 13px 20px;
  border-radius: 999px; border: 1px solid transparent; white-space: nowrap;
}
.btn.primary { background: var(--accent); color: var(--ink); box-shadow: 0 14px 34px -16px var(--accent); }
.btn.secondary { border-color: var(--line); color: var(--text); }
.btn.ghost { color: var(--muted); padding: 13px 8px; }
.btn.small { padding: 10px 15px; font-size: 12.5px; }

/* hero */
.hero { display: grid; grid-template-columns: 1.08fr .92fr; gap: 54px; align-items: center; padding: 54px 0 62px; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; margin: 0; font: 600 10.5px/1 var(--mono); letter-spacing: .2em; color: var(--accent); text-transform: uppercase; }
.eyebrow i { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 12px var(--accent); }
h1 { margin: 18px 0 0; font: 650 clamp(30px, 4.4vw, 54px)/1.06 var(--display); letter-spacing: -.02em; }
h1 .mark { color: var(--accent); }
.lede { margin: 18px 0 0; max-width: 56ch; color: var(--muted); font-size: 15.5px; line-height: 1.62; }
.cta { display: flex; gap: 12px; align-items: center; margin-top: 26px; flex-wrap: wrap; }
/* The APK block is a real download button, with the Android logo on the left
   (charter §1.1): same visual weight as the other hero CTAs, no tiny caption. */
.btn.apk { background: rgba(168, 230, 200, .06); }
.btn.apk .apk-logo { color: var(--accent); flex: none; }
.trustrow { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 26px; }
.trustrow span { font: 600 10px/1 var(--mono); letter-spacing: .09em; text-transform: uppercase; color: var(--muted); border: 1px solid var(--line); padding: 7px 10px; border-radius: 999px; }

/* hero visual */
.vault { background: #0f1419; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 0 0 1px rgba(255,255,255,.04), 0 30px 80px -30px rgba(0,0,0,.85); padding: 18px; backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); }
.vault-head { display: flex; align-items: center; gap: 8px; padding-bottom: 13px; border-bottom: 1px solid var(--line); font: 600 11.5px/1 var(--mono); letter-spacing: .06em; color: var(--muted); }
.vault-head .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px var(--accent); }
.vault-head .pill { margin-left: auto; font-size: 9.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); border: 1px solid var(--line); border-radius: 999px; padding: 5px 8px; }
.bubble { max-width: 84%; margin-top: 13px; padding: 11px 14px; border-radius: 15px; font-size: 13.5px; line-height: 1.45; }
.bubble.in { background: var(--panel2); border: 1px solid var(--line); border-bottom-left-radius: 5px; }
.bubble.out { margin-left: auto; background: #131d21; color: var(--text); border-bottom-right-radius: 5px; }
.bubble .sub { display: block; margin-top: 5px; font: 500 9.5px/1 var(--mono); letter-spacing: .08em; opacity: .62; text-transform: uppercase; }
.meta { margin-top: 13px; font: 600 9.5px/1 var(--mono); letter-spacing: .1em; color: var(--muted); text-transform: uppercase; display: flex; gap: 8px; align-items: center; }
.meta .bar { flex: 1; height: 1px; background: var(--line); }
.keycard { margin-top: 15px; display: flex; align-items: center; gap: 13px; padding: 13px; border: 1px solid var(--line); border-radius: 16px; background: var(--panel2); }
.keycard .qr { width: 46px; height: 46px; flex: 0 0 46px; border-radius: 4px; background: #fff; padding: 4px; }
.keycard .qr i { display: block; width: 100%; height: 100%; background: repeating-conic-gradient(#0a0f0c 0 25%, #fff 0 50%) 0 0/7px 7px; }
.keycard b { display: block; font-size: 12.5px; }
.keycard em { display: block; margin-top: 3px; font: 500 10px/1.3 var(--mono); color: var(--muted); font-style: normal; }
.keycard .lock { margin-left: auto; color: var(--accent); display: flex; }

/* proof strip */
.proof { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.proof div { background: var(--panel); padding: 16px 18px; }
.proof b { display: block; font: 700 12px/1 var(--mono); letter-spacing: .12em; color: var(--accent); text-transform: uppercase; }
.proof span { display: block; margin-top: 7px; color: var(--muted); font-size: 12px; }

/* sections */
section { padding: 64px 0 0; }
.shead { max-width: 660px; }
.shead .eyebrow { font-size: 9.5px; }
h2 { margin: 12px 0 0; font: 650 clamp(22px, 2.6vw, 32px)/1.14 var(--display); letter-spacing: -.015em; }
.shead p { margin: 12px 0 0; color: var(--muted); font-size: 14px; line-height: 1.6; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 28px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card .num { font: 700 10px/1 var(--mono); letter-spacing: .14em; color: var(--accent); }
.card h3 { margin: 12px 0 0; font: 650 15.5px/1.3 var(--display); }
.card p { margin: 9px 0 0; color: var(--muted); font-size: 13px; line-height: 1.58; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 28px; counter-reset: s; }
.step { border-top: 1px solid var(--line); padding-top: 16px; }
.step:before { counter-increment: s; content: "0" counter(s); display: block; font: 700 11px/1 var(--mono); letter-spacing: .14em; color: var(--accent); }
.step h3 { margin: 10px 0 0; font: 650 15px/1.3 var(--display); }
.step p { margin: 8px 0 0; color: var(--muted); font-size: 13px; line-height: 1.55; }

/* access + payments */
.prices { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 28px; }
.price { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; position: relative; }
.price.best { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset, 0 26px 60px -34px var(--accent); }
.price .tag { position: absolute; top: 14px; right: 14px; font: 700 8.5px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ink); background: var(--accent); padding: 5px 8px; border-radius: 999px; }
.price h3 { margin: 0; font: 600 11px/1 var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.price .amount { margin: 14px 0 0; font: 650 34px/1 var(--display); letter-spacing: -.02em; }
.price .amount small { font: 500 12px/1 var(--mono); letter-spacing: .04em; color: var(--muted); }
.price ul { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 8px; }
.price li { color: var(--muted); font-size: 12.5px; line-height: 1.5; padding-left: 18px; position: relative; }
.price li:before { content: ""; position: absolute; left: 0; top: 6px; width: 7px; height: 7px; border-radius: 2px; background: var(--accent); opacity: .75; }

.paybox { margin-top: 16px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.paybox .payhead { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.paybox .payhead b { font: 650 15px/1.3 var(--display); }
.paybox .payhead span { color: var(--muted); font-size: 12.5px; }
.paygrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 280px)); gap: 10px; margin-top: 16px; }
.paybtn {
  display: flex; flex-direction: column; gap: 6px; align-items: flex-start;
  background: var(--panel2); border: 1px solid var(--line); border-radius: 14px;
  padding: 14px; color: var(--text); cursor: pointer; text-align: left; font: inherit;
}
.paybtn:hover { border-color: var(--accent); }
.paybtn b { font: 650 13px/1 var(--display); }
.paybtn span { font: 600 9.5px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.paybtn .soon { margin-top: 4px; font: 700 8px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
.fineprint { margin-top: 16px; color: var(--muted); font-size: 11.5px; line-height: 1.6; max-width: 80ch; }
.fineprint a { color: var(--accent); }
.pay-addr-row { margin: 10px 0 0; display: flex; align-items: center; gap: 8px; }
.pay-addr-row code { color: var(--text); font-size: 12px; word-break: break-all; min-width: 0; }
/* Copy action: the single SVG icon from index.html (charter §0, 2026-11-02). */
.ico { width: 1.05em; height: 1.05em; display: block; }
.ico-btn { display: inline-flex; align-items: center; justify-content: center; flex: none;
  width: 30px; height: 30px; padding: 0; background: transparent;
  border: 1px solid var(--line); border-radius: 9px; color: var(--accent); cursor: pointer; }
.ico-btn:hover { background: rgba(168, 230, 200, .08); }
.ico-btn:focus-visible { outline: 1px solid var(--accent); outline-offset: 2px; }

/* security */
.security { display: grid; grid-template-columns: 1.05fr .95fr; gap: 34px; align-items: start; margin-top: 28px; }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.checks li { display: flex; gap: 11px; align-items: flex-start; color: var(--muted); font-size: 13.5px; line-height: 1.5; }
.checks svg { flex: 0 0 16px; margin-top: 1px; color: var(--accent); }
.checks b { color: var(--text); font-weight: 600; }
.console { background: var(--panel2); border: 1px solid var(--line); border-radius: var(--radius); padding: 17px; font: 500 11px/1.75 var(--mono); color: var(--muted); }
.console .ln { display: flex; gap: 10px; }
.console .ok { color: var(--accent); }
.console .key { color: var(--text); }
.console .hint { margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--line); font-size: 10px; letter-spacing: .05em; }

/* faq */
.faq { margin-top: 26px; display: grid; gap: 10px; }
details { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 15px 18px; }
details summary { cursor: pointer; font: 650 14px/1.4 var(--display); list-style: none; display: flex; gap: 12px; align-items: center; }
details summary::-webkit-details-marker { display: none; }
details summary:after { content: "+"; margin-left: auto; color: var(--accent); font: 600 17px/1 var(--mono); }
details[open] summary:after { content: "–"; }
details p { margin: 11px 0 0; color: var(--muted); font-size: 13px; line-height: 1.6; }

/* footer */
footer { margin-top: 74px; border-top: 1px solid var(--line); padding: 26px 0 34px; }
.foot { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; color: var(--muted); font-size: 11.5px; }
.foot a { color: var(--muted); text-decoration: none; }
.foot a:hover { color: var(--text); }
.foot .sep { opacity: .4; }
.foot .ver { margin-left: auto; font-family: var(--mono); font-size: 10px; letter-spacing: .08em; }

/* payment dialog (stub) */
dialog { border: 1px solid var(--line); border-radius: 18px; background: #0a1117; color: var(--text); padding: 0; max-width: 440px; width: calc(100% - 32px); }
dialog::backdrop { background: rgba(2, 4, 7, .72); }
.dlg-head { display: flex; align-items: center; gap: 10px; padding: 18px 20px 0; font: 650 15px/1.3 var(--display); }
.dlg-body { padding: 12px 20px 20px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.dlg-body b { color: var(--text); }
.dlg-body .note { margin-top: 12px; padding: 10px 12px; border: 1px dashed var(--line); border-radius: 12px; font-size: 12px; }

/* responsive */
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; gap: 36px; padding-top: 36px; }
  .cards, .steps, .prices, .security, .paygrid { grid-template-columns: 1fr; }
  .paygrid { grid-template-columns: repeat(2, 1fr); }
  .proof { grid-template-columns: repeat(2, 1fr); }
  .nav { display: none; }
  .topbar { flex-wrap: wrap; gap: 14px; }
  .top-actions { margin-left: auto; }
  .wrap { padding: 0 18px; }
  section { padding-top: 48px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* Access payment flow (charter §7.14): package/asset → TX → codes. */
.access-flow { display: grid; gap: 10px; }
.access-label { margin: 6px 0 0; font: 600 10px/1 var(--mono, ui-monospace); letter-spacing: .14em; text-transform: uppercase; color: var(--muted, #9aa4b2); }
.access-pkgs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.access-pkg { display: grid; gap: 3px; padding: 10px 8px; border: 1px solid var(--line, rgba(255,255,255,.12)); border-radius: 10px; background: var(--panel, #262c34); color: var(--ink, #e6ebf1); cursor: pointer; text-align: left; }
.access-pkg.is-on { border-color: var(--accent, #6f93ba); box-shadow: 0 0 0 1px var(--accent, #6f93ba) inset; }
.access-pkg b { font: 650 17px/1 var(--display, inherit); }
.access-pkg span { font: 500 10px/1.2 var(--mono, ui-monospace); color: var(--muted, #9aa4b2); }
.access-assets { display: flex; gap: 8px; }
.access-asset { padding: 7px 14px; border-radius: 999px; border: 1px solid var(--line, rgba(255,255,255,.12)); background: transparent; color: var(--muted, #9aa4b2); cursor: pointer; font: 600 11px/1 var(--mono, ui-monospace); }
.access-asset.is-on { background: var(--accent, #6f93ba); color: var(--ink, #e6ebf1); border-color: var(--accent, #6f93ba); }
.access-amount-line { margin: 4px 0 0; }
.access-amount { color: var(--ink, #e6ebf1); }
.access-tx { width: 100%; margin-top: 6px; font-family: ui-monospace, monospace; }
.access-hint { margin: 6px 0 8px; }
.access-msg { min-height: 16px; margin: 8px 0 0; color: var(--muted, #9aa4b2); font-size: 12px; line-height: 1.4; }
.access-warn { margin: 0 0 8px; padding: 10px 12px; border-radius: 10px; border: 1px solid #b4543a; background: rgba(180,84,58,.12); color: var(--ink, #e6ebf1); font-size: 12.5px; line-height: 1.45; }
.access-codes { margin: 0 0 10px; padding-left: 20px; font-family: ui-monospace, monospace; font-size: 13px; line-height: 1.6; user-select: all; }
.access-codes li { word-break: break-all; }
.access-step .access-back { margin-top: 10px; }
.access-copied { margin-left: 6px; }