:root {
  color-scheme: dark;
  --bg: #08070b;
  --surface: rgba(25, 22, 30, .82);
  --surface-strong: #17141c;
  --line: rgba(255, 255, 255, .12);
  --text: #f8f6fb;
  --muted: #aaa4b2;
  --pink: #f226dc;
  --purple: #8d63ff;
  --focus: #fb7ded;
  --error: #ff8b97;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-height: 100vh; color: var(--text); background: var(--bg); }
body::before {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: -2;
  background:
    radial-gradient(circle at 77% 15%, rgba(242, 38, 220, .25), transparent 34rem),
    radial-gradient(circle at 20% 82%, rgba(89, 50, 172, .22), transparent 34rem),
    linear-gradient(115deg, #050507 0%, #100b12 48%, #070608 100%);
}
body::after {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: -1; opacity: .24;
  background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 42px 42px; mask-image: linear-gradient(to bottom, black, transparent 78%);
}

button, input, a { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 20; padding: 12px 16px; color: #08070b; background: white; border-radius: 10px; }
.skip-link:focus { top: 16px; }
.site-header { max-width: 1240px; height: 86px; margin: auto; padding: 0 28px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--text); text-decoration: none; font-weight: 760; letter-spacing: -.02em; }
.brand-mark { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 12px; background: linear-gradient(135deg, var(--pink), var(--purple)); box-shadow: 0 12px 34px rgba(207, 42, 226, .3); }
.secure-label { color: var(--muted); font-size: 13px; }
.secure-label span { margin-right: 7px; color: var(--pink); }

main { overflow: hidden; }
.hero { max-width: 1240px; min-height: 720px; margin: auto; padding: 72px 28px 96px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(410px, 510px); align-items: center; gap: clamp(48px, 9vw, 130px); }
.hero-copy { max-width: 630px; }
.eyebrow { margin: 0; color: #ee5cde; font-size: 12px; font-weight: 820; letter-spacing: .19em; }
h1 { margin: 20px 0 24px; font-size: clamp(48px, 6vw, 82px); line-height: .98; letter-spacing: -.055em; }
.lead { margin: 0; max-width: 590px; color: var(--muted); font-size: 19px; line-height: 1.62; }
.trust-list { display: flex; flex-wrap: wrap; gap: 9px; margin: 30px 0 0; padding: 0; list-style: none; }
.trust-list li { padding: 9px 12px; color: #d7d2dc; background: rgba(255,255,255,.045); border: 1px solid var(--line); border-radius: 99px; font-size: 12px; }

.portal-card { min-height: 540px; padding: 30px; background: linear-gradient(150deg, rgba(31,27,36,.94), rgba(16,14,19,.91)); border: 1px solid rgba(255,255,255,.14); border-radius: 28px; box-shadow: 0 40px 110px rgba(0,0,0,.55), inset 0 1px rgba(255,255,255,.06); backdrop-filter: blur(28px); }
.card-heading { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 30px; }
.step-badge { width: 42px; height: 42px; flex: none; display: grid; place-items: center; color: white; background: linear-gradient(135deg, var(--pink), var(--purple)); border-radius: 13px; font-size: 12px; font-weight: 850; }
.card-heading h2, .pair-symbol + .eyebrow + h2 { margin: 7px 0 0; font-size: 28px; letter-spacing: -.035em; }
.view { animation: reveal .28s ease both; }
@keyframes reveal { from { opacity: 0; transform: translateY(8px); } }
.choice { width: 100%; min-height: 108px; margin: 0 0 13px; padding: 17px; display: grid; grid-template-columns: 48px 1fr auto; align-items: center; gap: 14px; color: var(--text); text-align: left; background: rgba(255,255,255,.035); border: 1px solid var(--line); border-radius: 18px; cursor: pointer; transition: .2s ease; }
.choice:hover { transform: translateY(-2px); border-color: rgba(242,38,220,.48); background: rgba(242,38,220,.07); }
.choice.featured { background: linear-gradient(120deg, rgba(242,38,220,.08), rgba(141,99,255,.1)); }
.choice-icon { width: 48px; height: 48px; display: grid; place-items: center; color: #f275e4; background: rgba(242,38,220,.1); border: 1px solid rgba(242,38,220,.25); border-radius: 14px; font-size: 22px; font-weight: 800; }
.choice strong, .licence-summary strong { display: block; font-size: 17px; }
.choice small, .licence-summary small { display: block; margin-top: 5px; color: var(--muted); line-height: 1.4; }
.arrow { color: #e77cda; font-size: 22px; }
.back-button { margin: -5px 0 25px; padding: 7px 0; color: #d69bea; background: none; border: 0; cursor: pointer; }
label { display: block; margin-bottom: 9px; color: #ded9e2; font-size: 13px; font-weight: 700; }
input { width: 100%; height: 62px; padding: 0 18px; color: white; background: #0d0b0f; border: 1px solid var(--line); border-radius: 15px; font-size: 22px; font-weight: 750; letter-spacing: .16em; text-transform: uppercase; }
input:focus { outline: 3px solid rgba(251,125,237,.2); border-color: var(--focus); }
.help { color: var(--muted); line-height: 1.55; }
.field-error { min-height: 20px; color: var(--error); font-size: 13px; }
.primary-button { width: 100%; min-height: 56px; display: grid; place-items: center; padding: 0 20px; color: white; background: linear-gradient(100deg, #b62bd9, #7858ff); border: 0; border-radius: 15px; font-weight: 780; text-decoration: none; cursor: pointer; box-shadow: 0 16px 34px rgba(127,57,221,.24); }
.primary-button:hover { filter: brightness(1.08); }
.primary-button:disabled { opacity: .45; cursor: not-allowed; }
.link-button[aria-disabled="true"] { opacity: .48; pointer-events: none; }
.boundary { margin: 17px 0 0; color: #85808c; text-align: center; font-size: 12px; line-height: 1.5; }
.notice { margin: -12px 0 18px; padding: 12px 14px; color: #ffe4fb; background: rgba(242,38,220,.09); border: 1px solid rgba(242,38,220,.25); border-radius: 12px; font-size: 13px; }
.licence-summary { display: flex; align-items: center; gap: 14px; padding: 16px; background: rgba(255,255,255,.035); border: 1px solid var(--line); border-radius: 17px; }
.licence-points { margin: 18px 0; border-block: 1px solid var(--line); }
.licence-points div { padding: 13px 2px; display: flex; justify-content: space-between; border-bottom: 1px solid rgba(255,255,255,.07); }
.licence-points div:last-child { border: 0; }
.licence-points dt { color: var(--muted); }
.licence-points dd { margin: 0; font-weight: 720; }
.pair-symbol { width: 64px; height: 64px; display: grid; place-items: center; margin: 5px 0 22px; color: white; background: linear-gradient(135deg, var(--pink), var(--purple)); border-radius: 20px; font-size: 30px; }
.pair-reference { margin: 22px 0; padding: 16px; display: flex; justify-content: space-between; background: #0c0a0e; border: 1px solid var(--line); border-radius: 14px; }
.pair-reference span { color: var(--muted); }
.pair-reference strong { direction: ltr; letter-spacing: .08em; }

.how-it-works { padding: 100px max(28px, calc((100vw - 1184px) / 2)); background: rgba(255,255,255,.025); border-block: 1px solid rgba(255,255,255,.07); }
.how-it-works h2 { max-width: 720px; margin: 14px 0 46px; font-size: clamp(34px, 4vw, 54px); line-height: 1.06; letter-spacing: -.045em; }
.how-it-works ol { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; list-style: none; }
.how-it-works li { min-height: 210px; padding: 24px; display: flex; align-items: flex-start; gap: 16px; background: rgba(16,14,19,.65); border: 1px solid var(--line); border-radius: 20px; }
.how-it-works li > span { width: 34px; height: 34px; flex: none; display: grid; place-items: center; color: #f189e5; border: 1px solid rgba(242,38,220,.3); border-radius: 50%; font-weight: 800; }
.how-it-works strong { font-size: 20px; }
.how-it-works p { color: var(--muted); line-height: 1.6; }
footer { max-width: 1240px; margin: auto; padding: 34px 28px; display: flex; justify-content: space-between; gap: 24px; color: #797480; font-size: 12px; }

button:focus-visible, a:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; }
[hidden] { display: none !important; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 34px; gap: 46px; }
  .hero-copy { max-width: 720px; }
  .portal-card { width: min(100%, 600px); }
  .how-it-works ol { grid-template-columns: 1fr; }
  .how-it-works li { min-height: 0; }
}
@media (max-width: 560px) {
  .site-header { height: 72px; padding-inline: 18px; }
  .secure-label { display: none; }
  .hero { padding: 38px 16px 70px; }
  h1 { font-size: 45px; }
  .lead { font-size: 17px; }
  .portal-card { min-height: 520px; padding: 22px 18px; border-radius: 22px; }
  .choice { grid-template-columns: 44px 1fr; }
  .choice-icon { width: 44px; height: 44px; }
  .arrow { display: none; }
  .how-it-works { padding: 70px 16px; }
  footer { padding-inline: 18px; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}