@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');

:root {
  color-scheme: dark;
  --bg: #000000;
  --surface: #141414;
  --card: #1c1c1e;
  --elevated: #24242c;
  --line: #2c2c2e;
  --text: #ffffff;
  --muted: #a1a1aa;
  --muted-soft: #6b7280;
  --accent: #ffc107;
  --accent-deep: #d4a017;
  --accent-bright: #ffd54f;
  --success: #00d26a;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: linear-gradient(180deg, #000000 0%, #0d0d0d 52%, #000000 100%);
  color: var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.65;
}
.topbar, footer {
  max-width: 1160px;
  margin: auto;
  padding: 26px 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-family: Manrope, sans-serif;
  letter-spacing: -.04em;
}
.brand-ai { color: var(--accent); font-size: .78em; }
.top-link, footer nav a {
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}
.top-link:hover, footer nav a:hover { color: var(--accent-bright); }
.hero {
  max-width: 1160px;
  margin: 65px auto 112px;
  padding: 0 30px;
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  align-items: center;
  gap: 65px;
}
.eyebrow { font-size: 11px; letter-spacing: .16em; color: var(--accent); font-weight: 700; }
.dot, .live i {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  margin-right: 8px;
}
.hero h1, .guide h2, .categories h2, .faq h2 {
  font-family: Manrope, sans-serif;
  letter-spacing: -.055em;
  line-height: 1.12;
}
.hero h1 { font-size: clamp(42px, 5.3vw, 67px); margin: 18px 0 22px; }
.hero h1 em { font-style: normal; color: var(--accent-bright); }
.intro { color: #c4c4c7; font-size: 18px; max-width: 590px; line-height: 1.7; }
.button {
  display: inline-flex;
  align-items: center;
  gap: 22px;
  margin-top: 17px;
  background: linear-gradient(90deg, var(--accent-deep), var(--accent));
  color: #000;
  padding: 14px 20px;
  border-radius: 16px;
  text-decoration: none;
  font-weight: 700;
  transition: filter .18s ease, transform .18s ease;
}
.button:hover { filter: brightness(1.12); transform: translateY(-1px); }
.fineprint { color: var(--muted); font-size: 12px; }
.scan-card {
  max-width: 410px;
  width: 100%;
  justify-self: center;
  padding: 20px;
  background: linear-gradient(145deg, var(--card), var(--surface) 70%);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 30px 90px #000a;
  transform: rotate(1deg);
}
.scan-head, .scan-foot {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: .1em;
}
.live { color: var(--success); }
.object-art {
  height: 240px;
  margin: 18px 0;
  background: var(--elevated);
  border: 1px solid var(--line);
  border-radius: 14px;
  position: relative;
  overflow: hidden;
}
.object-art img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 53%;
}
.item-name { font-family: Manrope, sans-serif; font-weight: 700; font-size: 21px; }
.item-sub { font-size: 12px; color: var(--muted); margin: 3px 0 18px; }
.estimate { background: var(--elevated); border: 1px solid var(--line); border-radius: 11px; padding: 13px 15px; }
.estimate span { font-size: 9px; letter-spacing: .13em; color: var(--accent-bright); display: block; }
.estimate strong { font-size: 16px; font-family: Manrope, sans-serif; }
.scan-foot { padding: 14px 2px 0; letter-spacing: 0; }
.uses {
  max-width: 1100px;
  margin: 0 auto 120px;
  padding: 40px 30px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px;
}
.number { font-family: Manrope, sans-serif; color: var(--accent); font-size: 13px; }
.uses h2 { font-family: Manrope, sans-serif; font-size: 19px; letter-spacing: -.03em; margin: 8px 0; }
.uses p, .guide-copy p, .categories > p:last-child { color: var(--muted); font-size: 14px; margin: 0; }
.guide {
  max-width: 1040px;
  margin: 0 auto 110px;
  padding: 0 30px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
}
.guide h2, .categories h2, .faq h2 { font-size: 36px; margin: 12px 0; }
.guide-copy p + p { margin-top: 14px; }
.text-link { display: inline-block; margin-top: 18px; color: var(--accent-bright); text-decoration: none; font-weight: 600; }
.text-link:hover { color: var(--accent); }
.categories {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 115px;
  padding: 44px 24px;
  background: linear-gradient(130deg, var(--card), var(--surface));
  border: 1px solid var(--line);
  border-radius: 18px;
}
.categories > p:last-child { max-width: 570px; margin: 16px auto 0; }
.faq { max-width: 820px; margin: 0 auto 100px; padding: 0 30px; }
.faq h2 { margin-bottom: 25px; }
.faq details { border-top: 1px solid var(--line); padding: 17px 0; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 600; }
.faq details p { color: var(--muted); font-size: 14px; max-width: 680px; }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
footer nav { display: flex; gap: 20px; }

@media (max-width: 760px) {
  .topbar, footer { padding: 20px; }
  .hero { margin: 38px auto 75px; padding: 0 22px; grid-template-columns: 1fr; gap: 42px; }
  .hero h1 { font-size: 46px; }
  .intro { font-size: 16px; }
  .scan-card { max-width: 370px; }
  .uses { margin: 0 22px 75px; padding: 30px 5px; grid-template-columns: 1fr; gap: 27px; }
  .guide { padding: 0 24px; grid-template-columns: 1fr; gap: 20px; margin-bottom: 75px; }
  .guide h2, .categories h2, .faq h2 { font-size: 30px; }
  .categories { margin: 0 20px 75px; }
  .faq { margin-bottom: 75px; }
  .top-link { font-size: 13px; }
  footer { gap: 12px; flex-wrap: wrap; }
  footer > span { display: none; }
}