/* QB Express website: warm ledger paper, deep accounting green, editorial serif headings. */
:root {
  --paper: oklch(0.975 0.012 85);
  --paper-2: oklch(0.955 0.018 85);
  --card: oklch(0.99 0.006 85);
  --ink: oklch(0.22 0.02 160);
  --ink-soft: oklch(0.45 0.02 160);
  --line: oklch(0.86 0.02 85);
  --green: oklch(0.42 0.09 158);
  --green-deep: oklch(0.3 0.07 160);
  --green-wash: oklch(0.93 0.04 158);
  --amber: oklch(0.78 0.12 75);
  --amber-wash: oklch(0.94 0.05 80);
  --red-wash: oklch(0.94 0.03 28);
  --red-ink: oklch(0.5 0.15 28);
  --on-green: oklch(0.98 0.01 85);
  --shadow: 0 1px 0 oklch(0.86 0.02 85), 0 24px 48px -24px oklch(0.3 0.07 160 / 0.35);
  --radius: 14px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "IBM Plex Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.6 var(--font-body);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--green); }
h1, h2, h3 { font-family: var(--font-display); font-weight: 700; line-height: 1.1; margin: 0; letter-spacing: -0.01em; }
p { margin: 0; }
.wrap { width: min(1200px, 100% - 48px); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--paper); padding: 8px 12px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
.num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 22px; border-radius: 999px; font-weight: 600; text-decoration: none; border: 1.5px solid transparent; transition: transform .15s ease, background .15s ease, border-color .15s ease; }
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible, .filters button:focus-visible, .nav-toggle:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }
.btn-primary { background: var(--green); color: var(--on-green); }
.btn-primary:hover { background: var(--green-deep); }
.btn-ghost { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--ink); color: var(--paper); }
.btn-sm { padding: 9px 18px; font-size: 15px; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 50; background: oklch(0.975 0.012 85 / 0.9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-family: var(--font-display); font-weight: 700; font-size: 21px; }
.brand img { width: 44px; height: auto; }
.brand.small { font-size: 18px; }
.brand.small img { width: 36px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a:not(.btn) { color: var(--ink); text-decoration: none; font-weight: 500; font-size: 15px; }
.nav-links a:not(.btn):hover { color: var(--green); }
.nav-toggle { display: none; background: none; border: 0; padding: 10px; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 5px 0; border-radius: 2px; }

/* Hero */
.hero { padding: 72px 0 96px; background:
  radial-gradient(900px 400px at 85% 10%, var(--green-wash), transparent 70%),
  repeating-linear-gradient(0deg, transparent 0 31px, oklch(0.86 0.02 85 / 0.45) 31px 32px); }
.hero-grid { display: grid; grid-template-columns: 1fr; }
.hero-copy { max-width: 860px; }
.eyebrow { font-family: var(--font-mono); font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--green); font-weight: 500; margin-bottom: 16px; }
.hero h1 { font-size: clamp(42px, 5.6vw, 76px); }
.hero h1 em { font-style: italic; color: var(--green); font-weight: 500; }
.lead { font-size: 19px; color: var(--ink-soft); margin-top: 24px; max-width: 720px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.hero-points { list-style: none; padding: 0; margin: 28px 0 0; display: flex; flex-wrap: wrap; gap: 10px 22px; font-size: 15px; color: var(--ink-soft); }
.hero-points li::before { content: "✓"; color: var(--green); font-weight: 700; margin-right: 8px; }

.window { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.window-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; background: var(--paper-2); border-bottom: 1px solid var(--line); }
.window-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.showcase { margin-top: 56px; }
.shot-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.shot-tabs button { display: inline-flex; align-items: center; gap: 8px; font: 500 15px var(--font-body); padding: 10px 18px; border-radius: 999px; border: 1px solid var(--line); background: var(--card); color: var(--ink); cursor: pointer; }
.shot-tabs button[aria-selected="true"] { background: var(--green); color: var(--on-green); border-color: var(--green); }
.shot-tabs button:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }
.shot-tabs .tag { margin: 0; }
.shot { margin: 0; }
.shot[hidden] { display: none; }
.shot-link { display: block; cursor: zoom-in; }
.shot img { width: 100%; height: auto; }
.shot figcaption { margin-top: 14px; color: var(--ink-soft); font-size: 15.5px; max-width: 860px; }
.shot-note { margin-top: 10px; font: 500 13px var(--font-mono); color: var(--ink-soft); }
.window-bar span { margin-left: 12px; font: 500 12px var(--font-mono); color: var(--ink-soft); background: var(--card); padding: 3px 10px; border-radius: 6px; border: 1px solid var(--line); }
@keyframes pulse { 50% { box-shadow: 0 0 0 7px oklch(0.42 0.09 158 / 0.05); } }

.ok { color: var(--amber); font-weight: 600; }

/* Sections */
.section { padding: 104px 0; }
.section.alt { background: var(--paper-2); border-block: 1px solid var(--line); }
.section h2 { font-size: clamp(32px, 3.8vw, 50px); max-width: 820px; }
.section-lead { font-size: 18px; color: var(--ink-soft); margin-top: 18px; max-width: 720px; }

.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 56px; }
.pillar { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.pillar-icon { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: var(--green); color: var(--on-green); font: 700 22px var(--font-display); margin-bottom: 18px; }
.pillar h3 { font-size: 24px; margin-bottom: 10px; }
.pillar p { color: var(--ink-soft); }

.compare { margin-top: 48px; overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); }
.compare table { width: 100%; border-collapse: collapse; min-width: 760px; font-size: 15px; }
.compare th, .compare td { padding: 16px 18px; text-align: left; border-top: 1px solid var(--line); vertical-align: top; }
.compare thead th { border-top: 0; font-family: var(--font-display); font-size: 17px; background: var(--paper-2); }
.compare tbody th { font-weight: 500; width: 32%; }
.compare thead th.us { background: var(--green); color: var(--on-green); }
.compare td.us { background: var(--green-wash); font-weight: 600; }
.compare td.yes::before { content: "● "; color: var(--green); }
.compare td.part::before { content: "◐ "; color: var(--amber); }
.compare td.no::before { content: "○ "; color: var(--red-ink); }
.compare td.no { color: var(--ink-soft); }

.swipe-hint { display: none; margin-top: 40px; font: 500 13px var(--font-mono); color: var(--ink-soft); }
@media (max-width: 820px) { .swipe-hint { display: block; } .swipe-hint + .compare { margin-top: 10px; } }

/* Features */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 40px; }
.filters button { font: 500 14px var(--font-body); padding: 9px 16px; border-radius: 999px; border: 1px solid var(--line); background: var(--card); color: var(--ink); cursor: pointer; }
.filters button[aria-selected="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 28px; }
.feature { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; transition: border-color .2s ease, transform .2s ease; }
.feature:hover { border-color: var(--green); transform: translateY(-2px); }
.feature[hidden] { display: none; }
.tag { display: inline-block; font: 500 11px var(--font-mono); text-transform: uppercase; letter-spacing: .1em; color: var(--green); background: var(--green-wash); padding: 3px 8px; border-radius: 5px; margin-bottom: 14px; }
.tag-pending { color: var(--ink); background: var(--amber-wash); border: 1px solid var(--amber); margin-left: 6px; }
.feature.pending { border-style: dashed; }
.pending-note { margin-top: 10px; font-size: 14px !important; color: var(--ink) !important; background: var(--amber-wash); border-radius: 8px; padding: 8px 10px; }
.feature h3 { font-size: 20px; margin-bottom: 8px; }
.feature p { color: var(--ink-soft); font-size: 15.5px; }

.compare-note { margin-top: 16px; max-width: 860px; font-size: 14.5px; color: var(--ink-soft); }
.compare-note strong { color: var(--ink); }

/* Steps */
.steps { list-style: none; padding: 0; margin: 56px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 2px solid var(--ink); }
.steps li { padding: 28px 28px 0 0; border-right: 1px solid var(--line); margin-right: 28px; }
.steps li:last-child { border-right: 0; margin-right: 0; }
.step-no { font: 500 15px var(--font-mono); color: var(--green); }
.steps h3 { font-size: 26px; margin: 12px 0 10px; }
.steps p { color: var(--ink-soft); }

.requirement { margin-top: 48px; padding: 24px 28px; background: var(--amber-wash); border: 1px solid var(--amber); border-left-width: 6px; border-radius: var(--radius); }
.requirement h3 { font-size: 22px; margin-bottom: 8px; }
.requirement p { color: var(--ink); max-width: 900px; }

/* Security */
.section.dark { background: var(--green-deep); color: var(--on-green); }
.section.dark .eyebrow { color: var(--amber); }
.section.dark .section-lead { color: oklch(0.9 0.02 85); }
.security-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: start; }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.checks li { padding: 14px 18px 14px 46px; border: 1px solid oklch(0.98 0.01 85 / 0.18); border-radius: 12px; position: relative; color: oklch(0.9 0.02 85); }
.checks li::before { content: "✓"; position: absolute; left: 18px; top: 14px; color: var(--amber); font-weight: 700; }
.checks strong { color: var(--on-green); }

/* CTA */
.cta-inner { display: grid; grid-template-columns: auto 1fr auto; gap: 40px; align-items: center; background: var(--card); border: 1px solid var(--line); border-radius: 22px; padding: 40px 44px; box-shadow: var(--shadow); }
.cta-inner img { width: 140px; }
.cta-inner h2 { font-size: clamp(28px, 3vw, 40px); }
.cta-inner p { color: var(--ink-soft); margin-top: 10px; }
.cta-actions { display: flex; flex-direction: column; gap: 10px; }

/* Footer */
.footer { border-top: 1px solid var(--line); padding: 32px 0 44px; font-size: 14px; color: var(--ink-soft); }
.footer-inner { display: grid; grid-template-columns: auto 1fr auto; gap: 28px; align-items: center; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 1000px) {
  .hero-grid, .security-grid { grid-template-columns: 1fr; }
  .features { grid-template-columns: repeat(2, 1fr); }
  .cta-inner { grid-template-columns: 1fr; text-align: left; }
  .cta-actions { flex-direction: row; flex-wrap: wrap; }
}
@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .nav-links { position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--paper); border-bottom: 1px solid var(--line); padding: 8px 24px 20px; display: none; }
  .nav-links.open { display: flex; }
  .nav-links a:not(.btn) { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav-links .btn { margin-top: 14px; }
  .pillars, .steps { grid-template-columns: 1fr; }
  .steps li { border-right: 0; margin-right: 0; padding-right: 0; border-bottom: 1px solid var(--line); padding-bottom: 24px; }
  .footer-inner { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .wrap { width: min(1200px, 100% - 32px); }
  .hero { padding: 44px 0 64px; }
  .section { padding: 72px 0; }
  .features { grid-template-columns: 1fr; }
  .cta-inner { padding: 28px 22px; }
}