:root {
  color-scheme: dark;
  --ink: #f7f5ef;
  --muted: #aaa9a4;
  --page: #090a0c;
  --surface: #14171b;
  --surface-2: #101216;
  --line: rgba(255,255,255,.11);
  --gold: #f4b942;
  --gold-soft: #ffd77d;
  --green: #75dda4;
  --shadow: 0 24px 80px rgba(0,0,0,.34);
  --radius: 1.35rem;
  --max: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(circle at 10% 0%, rgba(244,185,66,.1), transparent 30rem), var(--page);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 4px; }
.skip-link {
  position: fixed; top: .75rem; left: .75rem; z-index: 100; transform: translateY(-200%);
  background: var(--gold); color: #111; padding: .7rem 1rem; border-radius: .55rem; font-weight: 850;
}
.skip-link:focus { transform: none; }
.shell { width: min(calc(100% - 2rem), var(--max)); margin-inline: auto; }
.site-header {
  position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--line);
  background: rgba(9,10,12,.9); backdrop-filter: blur(18px);
}
.nav { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.brand { display: inline-flex; align-items: center; gap: .8rem; text-decoration: none; }
.barcode-mark {
  width: 44px; height: 36px; border: 1px solid rgba(244,185,66,.35); border-radius: .55rem;
  background: linear-gradient(90deg, transparent 0 8%, var(--gold) 8% 12%, transparent 12% 17%, var(--gold) 17% 25%, transparent 25% 31%, var(--gold) 31% 34%, transparent 34% 43%, var(--gold) 43% 49%, transparent 49% 55%, var(--gold) 55% 66%, transparent 66% 72%, var(--gold) 72% 76%, transparent 76% 84%, var(--gold) 84% 91%, transparent 91% 100%);
}
.brand-copy { display: grid; line-height: 1; }
.brand-copy strong { font-size: .95rem; letter-spacing: .075em; }
.brand-copy small { margin-top: .3rem; color: var(--muted); font-size: .64rem; letter-spacing: .15em; }
.nav-actions { display: flex; align-items: center; gap: .7rem; }
.nav-link { color: #d8d7d2; font-size: .88rem; font-weight: 750; text-decoration: none; }
.nav-link:hover { color: var(--gold-soft); }
.button {
  display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: .5rem;
  border: 1px solid transparent; border-radius: .8rem; padding: .78rem 1.15rem; font-size: .94rem;
  font-weight: 850; line-height: 1.15; text-align: center; text-decoration: none;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: linear-gradient(135deg, var(--gold-soft), var(--gold)); color: #15110a; box-shadow: 0 10px 35px rgba(244,185,66,.2); }
.button-ghost { border-color: var(--line); background: rgba(255,255,255,.035); }
.button-ghost:hover { border-color: rgba(244,185,66,.5); }
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero::before {
  content: ""; position: absolute; inset: 0; opacity: .26;
  background: linear-gradient(90deg, #090a0c 8%, rgba(9,10,12,.6), #090a0c 92%), url("assets/hero-barcode-business.webp") center 56% / cover no-repeat;
}
.hero::after {
  content: ""; position: absolute; inset: 0; opacity: .12;
  background-image: repeating-linear-gradient(90deg, transparent 0 22px, rgba(244,185,66,.18) 22px 24px, transparent 24px 37px);
  mask-image: linear-gradient(90deg, transparent, black 70%, transparent);
}
.hero-inner { position: relative; z-index: 1; padding: clamp(4.5rem, 10vw, 8rem) 0; }
.crumbs { display: flex; flex-wrap: wrap; gap: .45rem; margin-bottom: 2rem; color: #aeada8; font-size: .82rem; }
.crumbs a { color: var(--gold-soft); text-underline-offset: .2em; }
.kicker { margin: 0 0 .85rem; color: var(--gold); font-size: .76rem; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3 { text-wrap: balance; }
h1 { max-width: 920px; margin: 0; font-size: clamp(2.6rem, 7vw, 5.6rem); line-height: .98; letter-spacing: -.055em; }
.lede { max-width: 760px; margin: 1.35rem 0 0; color: #d3d1cb; font-size: clamp(1.02rem, 2vw, 1.22rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2rem; }
.status-row { display: flex; flex-wrap: wrap; gap: .65rem; margin-top: 1.55rem; }
.status {
  display: inline-flex; align-items: center; gap: .45rem; padding: .42rem .7rem;
  border: 1px solid rgba(117,221,164,.25); border-radius: 999px; color: #a4ecc2;
  background: rgba(117,221,164,.06); font-size: .74rem; font-weight: 800;
}
.status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--green); }
.status-neutral { border-color: rgba(244,185,66,.27); color: var(--gold-soft); background: rgba(244,185,66,.06); }
.status-neutral::before { background: var(--gold); }
.facts { border-bottom: 1px solid var(--line); background: #0d0f12; }
.fact-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.fact { min-height: 118px; padding: 1.4rem; border-right: 1px solid var(--line); }
.fact:last-child { border-right: 0; }
.fact small { display: block; color: #8e8f8b; font-size: .69rem; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.fact strong { display: block; margin-top: .35rem; color: var(--gold-soft); font-size: 1.18rem; line-height: 1.25; }
main section { padding: clamp(3.4rem, 7vw, 6.5rem) 0; }
.intro-grid, .split { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(300px, .9fr); gap: clamp(2.2rem, 7vw, 6rem); align-items: start; }
.section-label { margin: 0 0 .75rem; color: var(--gold); font-size: .75rem; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
h2 { margin: 0 0 1rem; font-size: clamp(2rem, 5vw, 3.7rem); line-height: 1.04; letter-spacing: -.045em; }
h3 { margin: 0 0 .55rem; font-size: 1.12rem; line-height: 1.3; }
p { margin: 0 0 1rem; }
.copy { color: #c7c5bf; }
.notice, .proof-card, .partner-card, .method-card {
  border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, rgba(255,255,255,.04), rgba(255,255,255,.018)); box-shadow: var(--shadow);
}
.notice { padding: 1.4rem 1.5rem; border-left: 3px solid var(--gold); color: #d2d0ca; }
.notice strong { color: var(--ink); }
.check-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .9rem; margin-top: 1.6rem; }
.check {
  position: relative; min-height: 148px; padding: 1.25rem 1.25rem 1.25rem 3.2rem;
  border: 1px solid var(--line); border-radius: 1rem; background: var(--surface);
}
.check::before { content: "✓"; position: absolute; top: 1.18rem; left: 1.2rem; color: var(--gold); font-size: 1.15rem; font-weight: 900; }
.check p { margin: 0; color: var(--muted); font-size: .9rem; }
.proof-card { overflow: hidden; }
.proof-visual { min-height: 230px; background: linear-gradient(0deg, rgba(9,10,12,.84), rgba(9,10,12,.12)), url("assets/hero-barcode-business.webp") center 60% / cover no-repeat; }
.proof-body { padding: 1.5rem; }
.proof-number { display: block; color: var(--gold-soft); font-size: clamp(2.4rem, 6vw, 4.2rem); font-weight: 900; line-height: 1; letter-spacing: -.04em; }
.proof-label { display: block; margin-top: .5rem; color: #dedbd4; font-weight: 750; }
.proof-note { margin: 1rem 0 0; color: #8f908c; font-size: .76rem; line-height: 1.5; }
.method-section { border-block: 1px solid var(--line); background: #0d0f12; }
.method-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .9rem; margin-top: 1.6rem; }
.method-card { padding: 1.35rem; box-shadow: none; }
.method-card span { display: grid; width: 34px; height: 34px; place-items: center; margin-bottom: 1rem; border-radius: 50%; background: var(--gold); color: #16120a; font-weight: 900; }
.method-card p { margin: 0; color: var(--muted); font-size: .9rem; }
.partner-card { padding: clamp(1.6rem, 5vw, 3rem); border-color: rgba(244,185,66,.3); background: linear-gradient(135deg, rgba(244,185,66,.1), #121419 60%); }
.partner-card ul { display: grid; gap: .55rem; margin: 1.2rem 0 1.5rem; padding-left: 1.2rem; color: #d1cec8; }
.link-panel { display: grid; gap: .8rem; padding: 1.4rem; border: 1px solid var(--line); border-radius: var(--radius); background: #0a0c0f; }
.link-panel .button { width: 100%; }
.external-note { margin: 0; color: #888984; font-size: .75rem; line-height: 1.5; }
.guide-nav { border-top: 1px solid var(--line); }
.guide-links { display: grid; grid-template-columns: repeat(5, 1fr); gap: .7rem; }
.guide-links a { padding: 1rem; border: 1px solid var(--line); border-radius: .85rem; color: #d8d6d0; text-decoration: none; font-size: .86rem; font-weight: 800; }
.guide-links a:hover, .guide-links a[aria-current="page"] { border-color: rgba(244,185,66,.45); background: rgba(244,185,66,.06); color: var(--gold-soft); }
.site-footer { border-top: 1px solid var(--line); padding: 2rem 0 2.5rem; }
.footer-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; color: var(--muted); font-size: .8rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: .6rem 1rem; }
.footer-links a { color: #d1cfc9; }
@media (max-width: 820px) {
  .nav-actions .nav-link { display: none; }
  .intro-grid, .split { grid-template-columns: 1fr; }
  .fact-grid { grid-template-columns: 1fr; }
  .fact { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .fact:last-child { border-bottom: 0; }
  .method-grid { grid-template-columns: 1fr; }
  .guide-links { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .shell { width: min(calc(100% - 1.25rem), var(--max)); }
  .brand-copy small { display: none; }
  .nav-actions .button { min-height: 42px; padding: .65rem .8rem; font-size: .8rem; }
  .hero-actions, .hero-actions .button { display: grid; width: 100%; }
  .check-grid, .guide-links { grid-template-columns: 1fr; }
  .footer-row { display: grid; }
}