:root {
  --bg: #fbfaf7;
  --bg-alt: #f1efe9;
  --surface: #ffffff;
  --ink: #1b1d22;
  --ink-soft: #4a4f5a;
  --line: #dcd8ce;
  --accent: #c2410c;
  --accent-ink: #ffffff;
  --ok: #15803d;
  --ok-bg: #e9f6ee;
  --bad: #b91c1c;
  --bad-bg: #fdeceb;
  --warn: #a16207;
  --warn-bg: #fdf5e1;
  --code-bg: #1e2129;
  --code-ink: #e6e3da;
  --radius: 10px;
  --wrap: 1080px;
  --sans: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161b;
    --bg-alt: #1b1e24;
    --surface: #20242b;
    --ink: #ece9e1;
    --ink-soft: #a9adb7;
    --line: #333842;
    --accent: #f97316;
    --accent-ink: #14161b;
    --ok: #4ade80;
    --ok-bg: #12291b;
    --bad: #f87171;
    --bad-bg: #2d1515;
    --warn: #facc15;
    --warn-bg: #2b2410;
    --code-bg: #0e1014;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
code { font-family: var(--mono); font-size: .9em; background: var(--bg-alt); padding: .1em .35em; border-radius: 4px; }
pre { margin: 1rem 0; background: var(--code-bg); color: var(--code-ink); padding: 1rem 1.1rem; border-radius: var(--radius); overflow-x: auto; font-size: 14px; line-height: 1.55; }
pre code { background: none; padding: 0; color: inherit; font-size: inherit; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.01em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); margin: 0 0 .5rem; }
h3 { font-size: 1.15rem; margin: .2rem 0 .5rem; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 28px; } }

.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 8px; z-index: 100; background: var(--surface); padding: .5rem 1rem; }

.alert-bar {
  background: var(--accent); color: var(--accent-ink);
  font-size: 14.5px; text-align: center; padding: .55rem 16px;
}
.alert-bar a { color: inherit; font-weight: 600; }
.alert-bar .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: currentColor; margin-right: .4rem; animation: pulse 1.6s infinite; vertical-align: middle; }
@keyframes pulse { 50% { opacity: .3; } }
@media (prefers-reduced-motion: reduce) { .alert-bar .dot { animation: none; } html { scroll-behavior: auto; } }

.site-header { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 60px; }
.logo { font: 700 1.35rem var(--mono); color: var(--ink); text-decoration: none; letter-spacing: -.03em; }
.logo span { color: var(--accent); }
nav { display: flex; align-items: center; gap: 1.2rem; font-size: 15px; }
nav a:not(.btn) { color: var(--ink-soft); text-decoration: none; }
nav a:not(.btn):hover { color: var(--ink); }
@media (max-width: 860px) { nav a:not(.btn) { display: none; } }

.btn {
  display: inline-block; border: 0; cursor: pointer;
  background: var(--accent); color: var(--accent-ink);
  font: 600 16px var(--sans); padding: .75rem 1.3rem; border-radius: 8px; text-decoration: none;
}
.btn:hover { filter: brightness(1.08); }
.btn-sm { padding: .45rem .9rem; font-size: 14.5px; }
.btn-ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--line); }

.hero { padding: clamp(3rem, 8vw, 6rem) 0 clamp(2.5rem, 6vw, 4.5rem); }
.eyebrow { font: 600 13px var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--accent); margin: 0 0 1rem; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.3rem); max-width: 18ch; margin: 0 0 1.2rem; }
.lede { font-size: 1.15rem; color: var(--ink-soft); max-width: 62ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.8rem; }

.section { padding: clamp(3rem, 7vw, 5rem) 0; }
.section.alt { background: var(--bg-alt); }
.section-lede { color: var(--ink-soft); max-width: 66ch; margin: 0 0 2rem; }
.sub { margin-top: 2.5rem; }

.cards { display: grid; gap: 1.2rem; }
.cards.two { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.cards.three { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.4rem; min-width: 0; }
.card p { margin: .4rem 0; }
.tag { font: 600 12.5px var(--mono); color: var(--accent); letter-spacing: .04em; }
.src { display: inline-block; margin-top: .6rem; font-size: 14.5px; }

.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-top: 2.2rem; border-top: 1px solid var(--line); padding-top: 1.8rem; }
.fact-num { display: block; font: 700 1.9rem var(--mono); color: var(--ink); }
.fact-label { color: var(--ink-soft); font-size: 15px; }

.checker { max-width: 520px; }
.checker label { display: block; font-weight: 600; margin-bottom: .4rem; }
.checker-row { display: flex; gap: .6rem; }
input, select, textarea {
  width: 100%; font: 16px var(--sans); color: var(--ink);
  background: var(--surface); border: 1.5px solid var(--line); border-radius: 8px; padding: .7rem .85rem;
}
.checker input { font-family: var(--mono); font-size: 18px; }
input:focus, select:focus, textarea:focus, .btn:focus-visible, [role=tab]:focus-visible { outline: 2.5px solid var(--accent); outline-offset: 2px; }

.result { max-width: 680px; margin-top: 1.2rem; padding: 1.1rem 1.3rem; border-radius: var(--radius); border-left: 5px solid; }
.result h3 { margin-top: 0; }
.result p { margin: .4rem 0; }
.result.ok { background: var(--ok-bg); border-color: var(--ok); }
.result.bad { background: var(--bad-bg); border-color: var(--bad); }
.result.warn { background: var(--warn-bg); border-color: var(--warn); }

.howto { margin-top: 2rem; max-width: 780px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.howto summary { cursor: pointer; padding: 1rem 1.2rem; font-weight: 600; }
.howto-body { padding: 0 1.2rem 1.2rem; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
table { width: 100%; border-collapse: collapse; font-size: 15.5px; }
th, td { text-align: left; padding: .75rem 1rem; border-bottom: 1px solid var(--line); }
th { font-size: 13px; text-transform: uppercase; letter-spacing: .05em; color: var(--ink-soft); }
tr:last-child td { border-bottom: 0; }
tr.warn td { background: var(--warn-bg); }

.tabs { display: flex; flex-wrap: wrap; gap: .4rem; margin: 1rem 0 0; }
[role=tab] { font: 500 15px var(--sans); background: transparent; color: var(--ink-soft); border: 1.5px solid var(--line); border-radius: 999px; padding: .4rem .95rem; cursor: pointer; }
[role=tab][aria-selected=true] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.tabpanel { margin-top: .8rem; max-width: 820px; }
.steps li { margin-bottom: .5rem; }

.callout { background: var(--warn-bg); border-left: 5px solid var(--warn); padding: 1rem 1.2rem; border-radius: var(--radius); max-width: 820px; margin: 0 0 2rem; }
.checklist { list-style: none; padding: 0; margin: 2rem 0 0; max-width: 820px; }
.checklist li { position: relative; padding-left: 1.8rem; margin-bottom: .8rem; }
.checklist li::before { content: "→"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }

.help { display: grid; gap: 2.5rem; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); align-items: start; }
.contact { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; display: grid; gap: 1rem; }
.contact label { display: grid; gap: .35rem; font-weight: 500; font-size: 15px; }
.fine { font-size: 13.5px; color: var(--ink-soft); margin: 0; }
.form-status { margin: 0; font-size: 15px; }

.sources ul { padding-left: 1.2rem; }
.sources li { margin-bottom: .4rem; }

.site-footer { border-top: 1px solid var(--line); padding: 2rem 0; font-size: 14px; color: var(--ink-soft); }

/* --- Sales sections --- */
.hero-grid { display: grid; gap: 2.5rem; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); align-items: center; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }
.hero-points { list-style: none; padding: 0; margin: 1.5rem 0 0; display: flex; flex-wrap: wrap; gap: .4rem 1.4rem; font-size: 15px; color: var(--ink-soft); }
.hero-points li::before { content: "✓ "; color: var(--ok); font-weight: 700; }
.hero-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; }
.hero-card dl { margin: .5rem 0 0; display: grid; gap: 1rem; }
.hero-card dl div { display: grid; grid-template-columns: 5.5rem 1fr; gap: .8rem; align-items: baseline; }
.hero-card dt { font: 700 1.35rem var(--mono); color: var(--accent); }
.hero-card dd { margin: 0; color: var(--ink-soft); font-size: 15px; }

.check-note { margin-top: 1.2rem; }

.services { display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 440px), 1fr)); }
.service { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; display: flex; flex-direction: column; }
.service.featured { border: 2px solid var(--accent); }
.service ul { padding-left: 1.1rem; margin: .6rem 0 1rem; }
.service li { margin-bottom: .35rem; }
.service .btn { align-self: flex-start; margin-top: auto; }
.svc-head { display: flex; align-items: baseline; gap: .7rem; }
.svc-head h3 { font-size: 1.35rem; margin: 0; }
.svc-num { font: 700 .95rem var(--mono); color: var(--accent); }
.svc-for { color: var(--ink-soft); font-size: 15px; margin: .5rem 0 0; }
.svc-out { background: var(--bg-alt); border-radius: 8px; padding: .7rem .9rem; font-size: 15px; margin: 0 0 1.2rem; }
.badge { position: absolute; top: -12px; right: 1.2rem; margin: 0; background: var(--accent); color: var(--accent-ink); font: 600 12px var(--mono); text-transform: uppercase; letter-spacing: .06em; padding: .25rem .6rem; border-radius: 999px; }

.process { list-style: none; counter-reset: step; padding: 0; margin: 1.5rem 0 0; display: grid; gap: 1.2rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.process li { counter-increment: step; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.3rem; }
.process li::before { content: counter(step); display: grid; place-items: center; width: 2rem; height: 2rem; border-radius: 50%; background: var(--ink); color: var(--bg); font: 700 1rem var(--mono); margin-bottom: .7rem; }
.process p { color: var(--ink-soft); margin: 0; font-size: 15.5px; }

.cta-band { background: var(--ink); color: var(--bg); padding: clamp(2.5rem, 6vw, 3.5rem) 0; }
.cta-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem; }
.cta-band h2 { margin: 0 0 .3rem; }
.cta-band p { margin: 0; opacity: .8; max-width: 55ch; }
.btn-invert { background: var(--bg); color: var(--ink); }

.affected { margin-top: 1rem; }
#guide .sub { margin-top: 3rem; }
#guide .tabs { margin-top: 1.5rem; }

.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: .7rem; max-width: 820px; }
.faq summary { cursor: pointer; padding: 1rem 1.2rem; font-weight: 600; }
.faq details p { margin: 0; padding: 0 1.2rem 1.1rem; color: var(--ink-soft); }

.row2 { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
fieldset { border: 1.5px solid var(--line); border-radius: 8px; padding: .8rem 1rem; margin: 0; display: grid; gap: .45rem; }
legend { font-weight: 500; font-size: 15px; padding: 0 .3rem; }
.contact label.check { display: flex; align-items: center; gap: .55rem; font-weight: 400; }
.check input { width: auto; accent-color: var(--accent); }
.result .btn { margin-top: .6rem; }