:root {
  color-scheme: dark;
  --bg: #07090d;
  --panel: #0e1219;
  --ink: #f5f8fb;
  --muted: #aeb8c7;
  --line: #2a3443;
  --lime: #c7ff4a;
  --mint: #6af5c6;
  --red: #ff8e8e;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: radial-gradient(circle at 15% 0, rgba(199, 255, 74, 0.11), transparent 34rem), var(--bg);
  color: var(--ink);
}
a { color: inherit; }
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 18px clamp(18px, 5vw, 72px);
  border-bottom: 1px solid var(--line);
}
nav div { display: flex; gap: 18px; color: var(--muted); }
.brand { font-weight: 850; text-decoration: none; }
main { width: min(1080px, calc(100% - 36px)); margin: auto; }
.hero { max-width: 900px; padding: clamp(72px, 10vw, 130px) 0 64px; }
.eyebrow {
  color: var(--lime);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
h1 {
  margin: 0.18em 0;
  font-size: clamp(48px, 8vw, 92px);
  letter-spacing: -0.065em;
  line-height: 0.94;
}
h2 { font-size: clamp(27px, 4vw, 43px); letter-spacing: -0.04em; line-height: 1.08; }
.lead { color: #c5cedb; font-size: clamp(18px, 2.2vw, 24px); line-height: 1.55; }
.file-button {
  position: relative;
  display: inline-flex;
  margin-top: 26px;
  padding: 16px 22px;
  border-radius: 10px;
  background: var(--lime);
  color: #0a0d12;
  font-weight: 850;
  cursor: pointer;
}
.file-button input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.file-button:focus-within { outline: 2px solid var(--ink); outline-offset: 3px; }
.privacy-line { color: var(--muted); font-size: 13px; }
.result {
  margin-bottom: 72px;
  padding: clamp(26px, 5vw, 54px);
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel);
}
.result[data-state="risk"] { border-color: var(--red); }
.result[data-state="clear"] { border-color: var(--mint); }
.result ul { display: grid; gap: 8px; color: var(--muted); line-height: 1.6; }
.conversion {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.conversion > div:first-child { display: grid; gap: 8px; max-width: 620px; }
.conversion span { color: var(--muted); line-height: 1.55; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; }
.actions a,
.actions button {
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: transparent;
  color: var(--ink);
  font: inherit;
  text-decoration: none;
  font-weight: 780;
  cursor: pointer;
}
.actions .primary { border-color: var(--lime); background: var(--lime); color: #0a0d12; }
.actions button:disabled { cursor: wait; opacity: 0.65; }
.export-note,
.conversion > p {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}
.conversion > p:not(.export-note) { font-size: 12px; }
.product-proof {
  margin: 0 0 72px;
  padding: clamp(26px, 5vw, 54px);
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(145deg, rgba(22, 31, 39, 0.96), rgba(8, 13, 18, 0.98));
}
.proof-heading { max-width: 760px; margin-bottom: 24px; }
.proof-heading h2 { margin: 0.35rem 0 0.65rem; }
.proof-heading p:last-child,
.proof-note { color: var(--muted); line-height: 1.6; }
.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.proof-grid figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(4, 8, 12, 0.8);
}
.proof-grid img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top left;
  border-bottom: 1px solid var(--line);
}
.proof-grid figcaption {
  display: grid;
  gap: 6px;
  padding: 16px;
}
.proof-grid figcaption span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}
.proof-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}
.proof-actions a {
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 780;
}
.proof-actions .primary-link {
  border-color: var(--lime);
  background: var(--lime);
  color: #0a0d12;
}
.proof-note { margin: 14px 0 0; font-size: 13px; }
.explain {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 60px 0 90px;
  border-top: 1px solid var(--line);
}
.explain article { padding: 25px; border: 1px solid var(--line); border-radius: 16px; background: var(--panel); }
.explain article > span { color: var(--lime); font-weight: 850; }
.explain h2 { font-size: 25px; }
.explain p { color: var(--muted); line-height: 1.65; }
footer { padding: 35px clamp(18px, 5vw, 72px); border-top: 1px solid var(--line); color: var(--muted); }
@media (max-width: 760px) {
  nav div { display: none; }
  .conversion,
  .proof-grid,
  .explain { grid-template-columns: 1fr; }
  .actions { align-items: stretch; flex-direction: column; }
  .actions a,
  .actions button { text-align: center; }
}