@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=Orbitron:wght@500;700&display=swap');

:root {
  --bg-0: #05080c;
  --bg-1: #0a1218;
  --panel: rgba(10, 18, 24, 0.82);
  --line: #1a2e38;
  --line-hot: #2a4a52;
  --text: #d5e6ef;
  --muted: #6f8796;
  --accent: #2dd4bf;
  --accent-dim: #1a9e8f;
  --warn: #fbbf24;
  --danger: #fb7185;
  --ok: #34d399;
  --glow: rgba(45, 212, 191, 0.18);
  --font-display: 'Orbitron', sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg-0);
  color: var(--text);
  font-family: var(--font-mono);
}

body {
  position: relative;
  overflow-x: hidden;
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(20, 80, 90, 0.35), transparent 60%),
    radial-gradient(700px 400px at 0% 100%, rgba(10, 50, 40, 0.3), transparent 55%),
    linear-gradient(180deg, #071015 0%, #05080c 100%);
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(45, 212, 191, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45, 212, 191, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.08) 3px
  );
  opacity: 0.35;
  z-index: 1;
}

.shell {
  position: relative;
  z-index: 2;
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 64px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 36px;
  animation: fadeUp 0.7s ease both;
}

.brand-block { display: grid; gap: 6px; }

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 3vw, 2rem);
  letter-spacing: 0.22em;
  color: var(--accent);
  text-shadow: 0 0 24px var(--glow);
  margin: 0;
}

.brand-sub {
  margin: 0;
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  color: var(--muted);
}

.lang-switch {
  display: flex;
  gap: 6px;
  align-items: center;
}

.lang-switch span {
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-right: 4px;
}

.lang-btn {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  font-family: inherit;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  padding: 8px 10px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.lang-btn:hover,
.lang-btn[aria-pressed="true"] {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(45, 212, 191, 0.08);
}

.hero {
  margin-bottom: 28px;
  animation: fadeUp 0.8s ease 0.08s both;
}

.steps {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-bottom: 18px;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.steps .on { color: var(--accent); }

.headline {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3.4vw, 2.1rem);
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.25;
  margin: 0 0 12px;
  max-width: 18ch;
}

.lead {
  margin: 0;
  max-width: 52ch;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
  padding: 28px 24px;
  position: relative;
  animation: fadeUp 0.85s ease 0.14s both;
}

.panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 72px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.panel::after {
  content: '';
  position: absolute;
  right: 0;
  bottom: 0;
  width: 2px;
  height: 48px;
  background: linear-gradient(0deg, var(--accent-dim), transparent);
}

.form-grid {
  display: grid;
  gap: 18px;
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.field input {
  width: 100%;
  background: #070d12;
  border: 1px solid var(--line);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  padding: 13px 14px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.field input:focus {
  border-color: var(--accent-dim);
  box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.12);
}

.field input::placeholder { color: #3d5360; }

.legal {
  margin-top: 6px;
  border: 1px solid var(--line-hot);
  background: rgba(8, 20, 24, 0.7);
  padding: 16px;
}

.legal h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--warn);
  font-weight: 500;
}

.legal-scroll {
  max-height: 150px;
  overflow: auto;
  font-size: 0.8rem;
  line-height: 1.55;
  color: #9db3c0;
  margin-bottom: 14px;
  padding-right: 6px;
}

.legal-scroll::-webkit-scrollbar { width: 6px; }
.legal-scroll::-webkit-scrollbar-thumb { background: #2a4048; }

.check {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--text);
  cursor: pointer;
}

.check input {
  margin-top: 3px;
  accent-color: var(--accent);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 8px;
}

.btn {
  appearance: none;
  border: 1px solid var(--accent);
  background: linear-gradient(180deg, rgba(45, 212, 191, 0.2), rgba(45, 212, 191, 0.05));
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 14px 22px;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s, box-shadow 0.2s;
}

.btn:hover:not(:disabled) {
  background: rgba(45, 212, 191, 0.28);
  box-shadow: 0 0 24px rgba(45, 212, 191, 0.2);
}

.btn:active:not(:disabled) { transform: translateY(1px); }

.btn:disabled {
  opacity: 0.55;
  cursor: wait;
}

.status {
  min-height: 1.2em;
  font-size: 0.82rem;
  color: var(--muted);
}

.status.error { color: var(--danger); }
.status.ok { color: var(--ok); }

.hidden { display: none !important; }

.done-box {
  text-align: left;
  padding: 8px 0;
}

.done-box h2 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  color: var(--ok);
  margin: 0 0 10px;
}

.done-box p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.footer {
  margin-top: 28px;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: #456070;
  text-align: center;
  animation: fadeUp 1s ease 0.2s both;
}

.scanline {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(45, 212, 191, 0.35), transparent);
  animation: scan 5.5s linear infinite;
  pointer-events: none;
  opacity: 0.5;
}

@keyframes scan {
  0% { top: 0%; }
  100% { top: 100%; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 640px) {
  .topbar { flex-direction: column; }
  .panel { padding: 22px 16px; }
  .headline { max-width: none; }
}