:root {
  color-scheme: dark;
  --ink: #f7f8fb;
  --muted: #a8afbd;
  --line: rgba(255,255,255,.12);
  --panel: rgba(18,21,29,.82);
  --violet: #8b7cff;
  --cyan: #62e6d5;
  --danger: #ff7b91;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 14% 18%, rgba(98,230,213,.16), transparent 32rem),
    radial-gradient(circle at 84% 72%, rgba(139,124,255,.2), transparent 34rem),
    #080a0f;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .22;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 80%);
}

.shell {
  position: relative;
  width: min(1120px, calc(100% - 40px));
  min-height: 100vh;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 470px);
  gap: clamp(48px, 8vw, 112px);
  align-items: center;
  padding: 64px 0;
}

.brand { max-width: 580px; }
.mark { display: flex; gap: 7px; align-items: flex-end; height: 34px; margin-bottom: 32px; }
.mark span { width: 9px; border-radius: 999px; background: linear-gradient(180deg, var(--cyan), var(--violet)); box-shadow: 0 0 24px rgba(98,230,213,.3); }
.mark span:nth-child(1) { height: 18px; }
.mark span:nth-child(2) { height: 32px; }
.mark span:nth-child(3) { height: 24px; }

.eyebrow { margin: 0 0 12px; color: var(--cyan); font-size: .75rem; font-weight: 750; letter-spacing: .17em; text-transform: uppercase; }
h1 { margin: 0; max-width: 700px; font-size: clamp(3rem, 6vw, 5.6rem); line-height: .96; letter-spacing: -.06em; font-weight: 710; }
.intro { max-width: 560px; margin: 28px 0 0; color: var(--muted); font-size: 1.08rem; line-height: 1.7; }
.trust-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 34px; }
.trust-row span { border: 1px solid var(--line); border-radius: 999px; padding: 8px 12px; color: #ccd1dc; font-size: .78rem; }

.card {
  min-height: 540px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(28px, 5vw, 48px);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--panel);
  box-shadow: 0 36px 100px rgba(0,0,0,.45), inset 0 1px rgba(255,255,255,.06);
  backdrop-filter: blur(24px);
}

.state { text-align: center; }
.state h2, form h2 { margin: 0 0 12px; font-size: clamp(1.8rem, 4vw, 2.55rem); letter-spacing: -.04em; }
.state p:not(.eyebrow), .role-line { margin: 0; color: var(--muted); line-height: 1.6; }
.role-line { margin-bottom: 30px; }
.role-line strong { color: var(--ink); }
.hidden { display: none !important; }

label { display: block; margin: 18px 0 8px; font-size: .86rem; font-weight: 650; color: #dde1e9; }
input {
  width: 100%;
  height: 52px;
  border: 1px solid var(--line);
  border-radius: 13px;
  padding: 0 15px;
  color: var(--ink);
  background: rgba(6,8,12,.68);
  font: inherit;
  outline: none;
}
input:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(98,230,213,.12); }
.help, .fine-print { margin: 8px 0 0; color: #858d9c; font-size: .78rem; line-height: 1.45; }
.fine-print { text-align: center; }
.form-error { margin: 16px 0 0; padding: 11px 13px; border: 1px solid rgba(255,123,145,.35); border-radius: 11px; color: #ffc1cc; background: rgba(255,123,145,.08); font-size: .84rem; }
button {
  width: 100%;
  height: 54px;
  margin-top: 24px;
  border: 0;
  border-radius: 14px;
  color: #07100f;
  background: linear-gradient(110deg, var(--cyan), #b4f8ef);
  font: inherit;
  font-weight: 760;
  cursor: pointer;
  box-shadow: 0 13px 36px rgba(98,230,213,.18);
}
button:hover { filter: brightness(1.06); transform: translateY(-1px); }
button:disabled { cursor: wait; opacity: .65; transform: none; }

.spinner { width: 38px; height: 38px; margin: 0 auto 26px; border: 3px solid rgba(255,255,255,.12); border-top-color: var(--cyan); border-radius: 50%; animation: spin .85s linear infinite; }
.status-icon { display: grid; place-items: center; width: 54px; height: 54px; margin: 0 auto 24px; border-radius: 50%; font-size: 1.7rem; font-weight: 700; }
.status-icon.success { color: #07100f; background: var(--cyan); }
.status-icon.error { color: var(--danger); border: 1px solid rgba(255,123,145,.38); background: rgba(255,123,145,.09); }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 850px) {
  .shell { grid-template-columns: 1fr; width: min(620px, calc(100% - 28px)); gap: 40px; padding: 42px 0; }
  .brand { text-align: center; margin: 0 auto; }
  .mark { justify-content: center; }
  .trust-row { justify-content: center; }
  h1 { font-size: clamp(2.8rem, 13vw, 4.5rem); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .001ms !important; transition-duration: .001ms !important; }
}