:root {
  --bg: #0f1412;
  --panel: #171e1b;
  --ink: #e8f0ea;
  --muted: #93a399;
  --line: #2a3530;
  --accent: #7dffa3;
  --accent-ink: #08210f;
  --danger: #ff8b8b;
  --radius: 18px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  min-height: 100vh;
  font: 16px/1.5 "Segoe UI", "Helvetica Neue", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(900px 500px at 10% -10%, rgba(125, 255, 163, 0.12), transparent 50%),
    radial-gradient(700px 400px at 100% 0%, rgba(110, 180, 255, 0.08), transparent 45%),
    var(--bg);
}

a { color: var(--accent); text-decoration: none; }
.top, footer {
  max-width: 920px;
  margin: 0 auto;
  padding: 22px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand {
  display: flex;
  gap: 10px;
  align-items: center;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.03em;
}
.mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 13px;
}
nav { display: flex; gap: 18px; }
nav a { color: var(--muted); }
main { max-width: 920px; margin: 0 auto; padding: 10px 20px 64px; }
.hero { padding: 18px 0 28px; }
.eyebrow {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 12px;
  margin: 0 0 10px;
}
h1 {
  font-size: clamp(32px, 6vw, 52px);
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin: 0 0 14px;
}
.lead { max-width: 640px; color: var(--muted); margin: 0; }

.panel {
  background: color-mix(in srgb, var(--panel) 88%, black);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) + 6px);
  padding: 18px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.28);
}
.drop {
  display: grid;
  place-items: center;
  text-align: center;
  gap: 8px;
  min-height: 180px;
  padding: 28px;
  border: 1.5px dashed var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.02);
  cursor: pointer;
}
.drop input { display: none; }
.drop strong { font-size: 18px; }
.drop span, .status { color: var(--muted); font-size: 14px; }
.drop.over { border-color: var(--accent); background: rgba(125, 255, 163, 0.06); }
.row {
  display: flex;
  gap: 12px;
  align-items: end;
  margin-top: 16px;
}
.field { flex: 1; display: grid; gap: 8px; color: var(--muted); font-size: 13px; }
select, button {
  height: 48px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #101613;
  color: var(--ink);
  font-size: 15px;
}
select { width: 100%; padding: 0 12px; }
button {
  min-width: 148px;
  background: var(--accent);
  color: var(--accent-ink);
  border: 0;
  font-weight: 700;
  cursor: pointer;
}
button:disabled { opacity: 0.55; cursor: wait; }
.status { margin: 12px 0 0; }
.status.err { color: var(--danger); }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 28px 0;
}
.grid article, .privacy {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  background: rgba(23, 30, 27, 0.6);
}
h2 { margin: 0 0 8px; font-size: 18px; }
.grid p, .privacy li { color: var(--muted); }
.privacy ul { margin: 0; padding-left: 18px; }
footer { color: var(--muted); font-size: 13px; }

@media (max-width: 800px) {
  .grid { grid-template-columns: 1fr; }
  .row { flex-direction: column; align-items: stretch; }
  nav { display: none; }
}