/* Print Vault — storefront styles (clean & minimal) */
:root {
  --bg: #ffffff;
  --surface: #f7f7f8;
  --ink: #0e1014;
  --muted: #5c6370;
  --line: #e6e7eb;
  --accent: #e8572a;
  --accent-dark: #c9461d;
  --cell: #fff8e1;
  --ok: #1e7b34;
  --sans: "Geist", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --radius: 12px;
  --max: 1080px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-size: 16px; line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* header */
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.88); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 9px; text-decoration: none; font-weight: 600; font-size: 17px; letter-spacing: -0.02em; }
.logo-mark { width: 22px; height: 22px; display: grid; gap: 3px; align-content: center; }
.logo-mark span { display: block; height: 4px; border-radius: 2px; background: var(--ink); }
.logo-mark span:nth-child(2) { background: var(--accent); width: 80%; }
.logo-mark span:nth-child(3) { width: 60%; }
.nav { display: flex; align-items: center; gap: 24px; font-size: 14.5px; }
.nav a { text-decoration: none; color: var(--muted); }
.nav a:hover { color: var(--ink); }
.nav a.btn-dark, .nav a.btn-dark:hover { color: #fff; }
.nav a.btn.is-soon { color: var(--muted); }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 11px 18px; border-radius: 9px; font: 600 15px/1 var(--sans); text-decoration: none; border: 1px solid transparent; cursor: pointer; transition: background .15s, border-color .15s, color .15s; white-space: nowrap; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-secondary { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-secondary:hover { border-color: #c9ccd3; }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #2a2e36; }
.btn-sm { padding: 8px 13px; font-size: 14px; }
.btn.is-soon { background: var(--surface); color: var(--muted); border-color: var(--line); cursor: not-allowed; }

/* type */
.eyebrow { display: inline-block; font: 500 12.5px/1 var(--mono); letter-spacing: .04em; color: var(--muted); padding: 7px 11px; border: 1px solid var(--line); border-radius: 999px; background: #fff; margin: 0 0 22px; }
.eyebrow b { color: var(--accent); font-weight: 500; }
h1 { font-size: clamp(34px, 5vw, 54px); line-height: 1.06; letter-spacing: -0.04em; font-weight: 650; margin: 0 0 16px; }
h2 { font-size: clamp(24px, 3vw, 30px); line-height: 1.15; letter-spacing: -0.03em; font-weight: 650; margin: 0 0 8px; }
h3 { font-size: 17px; line-height: 1.3; letter-spacing: -0.015em; font-weight: 600; margin: 0; }
.muted { color: var(--muted); }
.small { font-size: 13.5px; color: var(--muted); }

/* hero */
.hero { padding: 84px 0 64px; text-align: center; }
.hero .lede { font-size: 18.5px; color: var(--muted); max-width: 36em; margin: 0 auto 28px; }
.ctas { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.trust { margin-top: 22px; display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 20px; font-size: 13.5px; color: var(--muted); }
.trust span::before { content: "✓"; color: var(--ok); font-weight: 700; margin-right: 6px; }

/* sections */
section { padding: 56px 0; }
.sec-head { display: flex; justify-content: space-between; align-items: end; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.sec-head p { margin: 0; color: var(--muted); }
.group + .group { margin-top: 40px; }
.group-label { font: 500 12.5px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin: 0 0 14px; }

/* product cards */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }
.card { position: relative; display: flex; flex-direction: column; gap: 8px; padding: 20px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; transition: border-color .15s, box-shadow .15s, transform .15s; }
.card:hover { border-color: #cfd2d8; box-shadow: 0 6px 20px rgba(14,16,20,.06); transform: translateY(-1px); }
.card p { margin: 0; font-size: 14.5px; color: var(--muted); }
.card .foot { margin-top: auto; padding-top: 12px; display: flex; justify-content: space-between; align-items: center; font-size: 14px; }
.card .go { color: var(--muted); }
.card:hover .go { color: var(--accent); }
.price { font: 600 15px/1 var(--mono); }
.price s { color: var(--muted); font-weight: 400; margin-right: 6px; }

/* bundle */
.bundle { margin-top: 40px; display: flex; justify-content: space-between; align-items: center; gap: 20px 32px; flex-wrap: wrap; padding: 26px 28px; background: var(--ink); color: #fff; border-radius: 16px; }
.bundle h2 { color: #fff; font-size: 22px; margin-bottom: 4px; }
.bundle p { margin: 0; color: #b9bdc6; font-size: 15px; }
.bundle .buy { display: flex; align-items: center; gap: 18px; }
.bundle .price { font-size: 20px; }
.bundle .price s { color: #8a8f99; }
.save { display: inline-block; font: 600 12px/1 var(--mono); color: var(--ink); background: #ffd9cb; padding: 5px 8px; border-radius: 6px; margin-left: 8px; vertical-align: 2px; }

/* how it works */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.step { padding: 18px 20px; background: var(--surface); border-radius: var(--radius); }
.step b { display: block; font: 500 12.5px/1 var(--mono); color: var(--accent); margin-bottom: 10px; }
.step p { margin: 4px 0 0; font-size: 14.5px; color: var(--muted); }

/* faq */
.faq { max-width: 720px; }
details { border-bottom: 1px solid var(--line); padding: 16px 0; }
details:first-of-type { border-top: 1px solid var(--line); }
summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 16px; font-weight: 550; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--muted); font: 400 20px/1 var(--mono); }
details[open] summary::after { content: "−"; }
details p { margin: 8px 0 0; color: var(--muted); font-size: 15px; }

/* product page */
.product { padding: 40px 0 48px; }
.crumbs { font-size: 13.5px; color: var(--muted); margin-bottom: 26px; }
.crumbs a { text-decoration: none; }
.crumbs a:hover { color: var(--ink); }
.product .cols { display: grid; grid-template-columns: 1fr 1.05fr; gap: 48px; align-items: start; }
.product h1 { font-size: clamp(30px, 4vw, 42px); }
.product .lede { font-size: 17px; color: var(--muted); margin: 0 0 22px; }
.buybox { display: flex; align-items: center; gap: 16px; padding: 16px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-bottom: 20px; flex-wrap: wrap; }
.buybox .price { font-size: 26px; }
.buybox .small { flex-basis: 100%; margin: 0; }
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.checks li { position: relative; padding-left: 28px; font-size: 15px; }
.checks li::before { content: ""; position: absolute; left: 0; top: 4px; width: 17px; height: 17px; border-radius: 50%; background: #fde6dd url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.3l2.6 2.5L12 5.4' fill='none' stroke='%23e8572a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/13px no-repeat; }
.checks b { font-weight: 600; }
.tabs { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.tab { padding: 16px; border: 1px solid var(--line); border-radius: 10px; }
.tab b { display: block; font: 500 13.5px/1.3 var(--mono); margin-bottom: 4px; }
.tab span { font-size: 14px; color: var(--muted); }
.callout { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; padding: 20px 22px; background: var(--surface); border-radius: var(--radius); }
.callout p { margin: 0; }

/* spreadsheet preview */
.sheet { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 20px 50px -20px rgba(14,16,20,.18); overflow: hidden; font: 12.5px/1.4 var(--mono); }
.sheet-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; border-bottom: 1px solid var(--line); background: var(--surface); }
.sheet-bar i { width: 9px; height: 9px; border-radius: 50%; background: #d9dbe0; }
.sheet-bar b { margin-left: 8px; font-weight: 400; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sheet-scroll { overflow-x: auto; }
.sheet table { border-collapse: collapse; width: 100%; min-width: 440px; }
.sheet th { text-align: left; font-weight: 500; color: var(--muted); padding: 9px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.sheet td { padding: 9px 12px; border-bottom: 1px solid #f0f1f3; white-space: nowrap; }
.sheet tr:last-child td { border-bottom: 0; }
.sheet td.in { background: var(--cell); color: #1d3fbf; }
.sheet td.hot { color: var(--accent); font-weight: 600; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 5px; font-size: 11px; font-weight: 600; }
.tag.ok { background: #e3f4e8; color: var(--ok); }
.tag.due { background: #fff0d6; color: #a35400; }
.tag.bad { background: #fde3e1; color: #b42318; }

/* legal */
.legal { max-width: 720px; padding: 56px 20px 72px; }
.legal h1 { font-size: 36px; }
.legal h2 { font-size: 19px; margin-top: 30px; }
.legal p, .legal li { color: var(--muted); }

/* footer */
.site-footer { border-top: 1px solid var(--line); padding: 32px 0 40px; font-size: 13.5px; color: var(--muted); }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.site-footer nav { display: flex; gap: 18px; flex-wrap: wrap; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--ink); }

@media (max-width: 860px) {
  .product .cols { grid-template-columns: 1fr; gap: 32px; }
  .steps { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .nav a.hide-sm { display: none; }
  .hero { padding: 56px 0 44px; }
  section { padding: 44px 0; }
  .bundle { padding: 22px; }
  .bundle .buy { width: 100%; justify-content: space-between; }
}

/* free download box */
.free { margin-top: 14px; display: flex; justify-content: space-between; align-items: center; gap: 16px 28px; flex-wrap: wrap; padding: 22px 26px; border: 1px dashed #cfd2d8; border-radius: 16px; background: #fff; }
.free h3 { display: inline; font-size: 18px; }
.free p { margin: 4px 0 0; color: var(--muted); font-size: 14.5px; }
.free-tag { display: inline-block; font: 600 11.5px/1 var(--mono); letter-spacing: .05em; color: var(--ok); background: #e3f4e8; padding: 5px 8px; border-radius: 6px; margin-right: 10px; vertical-align: 2px; }

/* guide links */
.sec-head h2 { margin: 0; }
.sec-head a { text-decoration: none; }
.sec-head a:hover { color: var(--ink); }
.guide-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.guide-links.one { grid-template-columns: 1fr; }
.guide-link { display: flex; flex-direction: column; gap: 6px; padding: 18px 20px; border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; transition: border-color .15s; }
.guide-link:hover { border-color: #cfd2d8; }
.guide-link b { font-weight: 600; font-size: 16px; line-height: 1.35; letter-spacing: -0.01em; }
.guide-link span { font-size: 14px; color: var(--muted); }

/* article */
.article { max-width: 760px; margin: 0 auto; padding: 44px 20px 40px; font-size: 17px; line-height: 1.7; }
.article h1 { font-size: clamp(30px, 4.4vw, 42px); margin-bottom: 8px; }
.article > .small { margin: 0 0 30px; }
.article h2 { font-size: 24px; margin: 40px 0 10px; }
.article h3 { font-size: 18px; margin: 26px 0 6px; }
.article p { margin: 0 0 16px; color: #2b2f36; }
.article ul, .article ol { margin: 0 0 18px; padding-left: 22px; color: #2b2f36; }
.article li { margin-bottom: 8px; }
.article a { color: var(--accent-dark); }
.article .formula { font: 500 15px/1.5 var(--mono); background: var(--surface); padding: 12px 16px; border-radius: 9px; color: var(--ink); }
.article table.calc { width: 100%; border-collapse: collapse; margin: 6px 0 20px; font-size: 15.5px; }
.calc td { padding: 10px 0; border-bottom: 1px solid var(--line); }
.calc td:last-child { text-align: right; font-family: var(--mono); white-space: nowrap; padding-left: 16px; }
.calc tr.total td { font-weight: 600; border-bottom: 1.5px solid var(--ink); }
.cta { margin: 30px 0; display: flex; justify-content: space-between; align-items: center; gap: 16px 24px; flex-wrap: wrap; padding: 22px 24px; background: var(--surface); border-radius: 14px; }
.cta h3 { margin: 2px 0 4px; font-size: 18px; }
.cta p { margin: 0; font-size: 14.5px; color: var(--muted); }
.cta .cta-kicker { font: 500 12px/1 var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--accent); }
.cta-buy { display: flex; align-items: center; gap: 14px; }
.cta-buy .price { font-size: 18px; }
.article .cta a.btn { color: #fff; }
.article .free a.btn { color: var(--ink); }
.article .free { margin: 24px 0; }

@media (max-width: 860px) { .guide-links { grid-template-columns: 1fr; } }