/* LoadLens — landing / marketing pages.
   Palette, spacing and font stack are copied from css/style.css so the public
   pages look like the calculator. style.css is NOT imported or edited here.
   No external fonts, no CDN, no external images: inline SVG and CSS shapes only. */

:root {
  --bg: #f2f5f8;
  --card: #ffffff;
  --ink: #1b2430;
  --ink-soft: #5b6774;
  --line: #d3dbe4;
  --line-soft: #e6ebf1;
  --accent: #1b5e9c;
  --accent-dark: #14456f;
  --accent-soft: #e8f1fa;
  --ok: #1d7a4b;
  --ok-soft: #e7f5ee;
  --warn: #8a5a00;
  --warn-soft: #fdf6e3;
  --danger: #b3261e;
  --danger-soft: #fdecea;
  --radius: 8px;
  --shadow: 0 1px 2px rgba(20, 40, 70, .06), 0 1px 8px rgba(20, 40, 70, .05);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

img, svg { max-width: 100%; }

/* ---------- layout ---------- */
.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 18px; }
.prose { max-width: 72ch; }
.prose p { margin: 0 0 12px; }

h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 10px; letter-spacing: .1px; }
h1 { font-size: 34px; }
h2 { font-size: 22px; color: var(--accent-dark); }
h3 { font-size: 16px; }
h4 { font-size: 15px; color: var(--accent-dark); }
p { margin: 0 0 10px; }
a { color: var(--accent); }
a:hover { color: var(--accent-dark); }
ul, ol { margin: 0 0 12px; padding-left: 22px; }
li { margin-bottom: 6px; }
code, kbd {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 13.5px;
  background: var(--accent-soft);
  border: 1px solid #cfe1f2;
  border-radius: 4px;
  padding: 1px 5px;
  overflow-wrap: anywhere;
}

.muted { color: var(--ink-soft); }
.small { font-size: 13px; }
.lead { font-size: 18px; color: var(--ink-soft); max-width: 62ch; }
.section { padding: 34px 0; }
.section + .section { border-top: 1px solid var(--line); }
.section-head { margin-bottom: 18px; }

/* ---------- top navigation (sticky, on every page) ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: linear-gradient(180deg, #ffffff, #f6f9fc);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 3px rgba(20, 40, 70, .05);
}
.site-nav .nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 56px;
  flex-wrap: wrap;
  padding: 8px 18px;
}
.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; color: var(--accent-dark); }
/* The brand is a link home on every page: kill the anchor underline, keep a visible hover/focus cue. */
a.brand { text-decoration: none; }
a.brand:hover .brand-text { color: var(--accent); }
a.brand:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 8px; }
.brand .brand-mark { color: var(--accent); flex: 0 0 auto; }
.brand .brand-text { font-size: 17px; letter-spacing: .2px; white-space: nowrap; }
.brand .brand-sub { display: block; font-size: 11px; font-weight: 600; color: var(--ink-soft); letter-spacing: .4px; }
.nav-links { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.nav-links a {
  display: inline-block;
  padding: 7px 11px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-dark);
  text-decoration: none;
}
.nav-links a:hover { background: var(--accent-soft); color: var(--accent-dark); }
.nav-links a.primary {
  background: var(--accent);
  color: #fff;
  border: 1px solid var(--accent);
}
.nav-links a.primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }
.nav-links a[aria-current="page"] { background: var(--accent-soft); text-decoration: underline; }

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  padding: 10px 18px;
  cursor: pointer;
}
.btn:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; }
.btn-ghost { background: #fff; color: var(--accent-dark); border-color: var(--line); }
.btn-ghost:hover { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-dark); }
.btn-lg { font-size: 17px; padding: 13px 24px; }

/* ---------- hero ---------- */
.hero {
  background:
    radial-gradient(1100px 340px at 12% -12%, #ffffff 0%, rgba(255, 255, 255, 0) 62%),
    linear-gradient(180deg, #f7fafd, var(--bg));
  border-bottom: 1px solid var(--line);
  padding: 42px 0 36px;
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 30px; align-items: center; }
.hero h1 { margin-bottom: 12px; }
.hero h1 .hl { color: var(--accent); }
.hero .lead { margin-bottom: 20px; }
.hero-cta { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
.hero-note { font-size: 13.5px; color: var(--ink-soft); margin: 0; }
.badges { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; padding: 0; list-style: none; }
.badges li {
  margin: 0;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--accent-dark);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px 11px;
}

/* hero illustration: pure CSS/SVG card, no external image */
.hero-figure {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px 16px 16px;
}
.hero-figure .fig-title { font-size: 12px; font-weight: 700; color: var(--ink-soft); letter-spacing: .5px; text-transform: uppercase; }
.hero-figure svg { display: block; width: 100%; height: auto; color: var(--accent); }
.fig-legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12px; color: var(--ink-soft); margin-top: 10px; }
.fig-legend span { display: inline-flex; align-items: center; gap: 5px; }
.swatch { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }

/* ---------- cards ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 20px 20px;
}

/* ---------- 3 steps ---------- */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; padding: 0; list-style: none; margin: 0; counter-reset: step; }
.steps > li {
  margin: 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 18px 18px;
  counter-increment: step;
}
.steps > li::before {
  content: counter(step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 10px;
}
.steps h3 { margin-bottom: 4px; }
.steps p { margin: 0; color: var(--ink-soft); font-size: 14.5px; }

/* ---------- feature grid ---------- */
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; padding: 0; list-style: none; margin: 0; }
.features > li {
  margin: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  padding: 12px 14px;
}
.features h3 { font-size: 14.5px; margin-bottom: 3px; }
.features p { margin: 0; font-size: 13.8px; color: var(--ink-soft); }

/* ---------- audience / two column ---------- */
.cols2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 16px; }
.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.panel h3 { color: var(--accent-dark); }
.panel ul { margin: 0; }

/* ---------- callouts ---------- */
.callout {
  border-radius: var(--radius);
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: #fff;
}
.callout.warn { background: var(--warn-soft); border-color: #e8d7a6; }
.callout.warn h2, .callout.warn h3 { color: var(--warn); }
.callout.ok { background: var(--ok-soft); border-color: #b7ddc6; }
.callout.ok h3 { color: #135c39; }
.callout.tip { background: var(--accent-soft); border-color: #bcd7ef; }
.callout h3 { margin-top: 0; }
.callout p:last-child, .callout ul:last-child { margin-bottom: 0; }

/* ---------- tables ---------- */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
table.num-table { border-collapse: separate; border-spacing: 0; width: 100%; font-size: 14px; min-width: 460px; }
.num-table th, .num-table td {
  border-bottom: 1px solid var(--line-soft);
  border-right: 1px solid var(--line-soft);
  padding: 7px 10px;
  text-align: right;
  vertical-align: top;
}
.num-table th { background: #eef3f8; color: var(--accent-dark); font-weight: 600; text-align: right; font-size: 13px; }
.num-table th.l, .num-table td.l { text-align: left; }
.num-table thead th:last-child, .num-table tbody td:last-child { border-right: none; }
.num-table tbody tr:last-child td { border-bottom: none; }
.num-table td { font-variant-numeric: tabular-nums; }
.num-table td.l { font-variant-numeric: normal; }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 10px; }
.faq details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 16px;
}
.faq summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--accent-dark);
  font-size: 15.5px;
}
.faq summary:hover { color: var(--accent); }
.faq details[open] summary { margin-bottom: 8px; }
.faq details > *:last-child { margin-bottom: 0; }
.faq p { margin: 0 0 8px; }
.faq ul { margin: 0 0 8px; }

/* ---------- footer (every page) ---------- */
.site-footer {
  background: #fff;
  border-top: 1px solid var(--line);
  margin-top: 34px;
  padding: 26px 0 34px;
}
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 20px; }
.footer-grid h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .6px; color: var(--ink-soft); margin-bottom: 8px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 5px; }
.footer-grid a { text-decoration: none; font-size: 14px; overflow-wrap: anywhere; }
.footer-grid a:hover { text-decoration: underline; }
.footer-grid p { font-size: 13.5px; color: var(--ink-soft); margin: 0 0 8px; }
.footer-bottom {
  border-top: 1px solid var(--line-soft);
  margin-top: 22px;
  padding-top: 14px;
  font-size: 12.5px;
  color: var(--ink-soft);
}

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  h1 { font-size: 28px; }
  .hero { padding: 30px 0 26px; }
  .hero-grid { grid-template-columns: 1fr; gap: 22px; }
  .hero-figure { order: 2; }
}

@media (max-width: 560px) {
  .wrap { padding: 0 14px; }
  h1 { font-size: 25px; }
  h2 { font-size: 19px; }
  .lead { font-size: 16.5px; }
  .site-nav .nav-inner { padding: 8px 14px; gap: 8px; }
  .brand .brand-text { font-size: 15.5px; }
  .nav-links { width: 100%; gap: 2px; }
  .nav-links a { flex: 1 1 auto; text-align: center; padding: 8px 8px; font-size: 13.5px; }
  .section { padding: 26px 0; }
  .steps, .features, .cols2 { grid-template-columns: 1fr; }
  .btn, .btn-lg { font-size: 15.5px; padding: 11px 16px; }
  .hero-cta .btn { flex: 1 1 100%; text-align: center; }
}

/* ------------------------------------------- hamburger menu on narrow screens
   js/nav.js adds .js-nav and the button; without JavaScript the links stay visible. */
.nav-burger {
  display: none;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  padding: 7px 11px;
  font: inherit;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--accent-dark);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 7px;
  cursor: pointer;
}
.nav-burger:hover { background: var(--accent-soft); }
.nav-burger:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.nav-burger-bars { display: inline-flex; flex-direction: column; gap: 3px; }
.nav-burger-bars span { display: block; width: 16px; height: 2px; background: currentColor; border-radius: 2px; }

@media (max-width: 700px) {
  header.site-nav.js-nav .nav-inner { flex-wrap: wrap; }
  header.site-nav.js-nav .brand { order: 1; }
  header.site-nav.js-nav .nav-burger { display: inline-flex; order: 2; }
  header.site-nav.js-nav .nav-links { display: none; order: 3; }
  header.site-nav.js-nav.nav-open .nav-links {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    margin: 4px 0 6px;
    gap: 2px;
  }
  header.site-nav.js-nav.nav-open .nav-links a {
    flex: 0 0 auto;
    width: 100%;
    text-align: left;
    padding: 11px 12px;
    font-size: 15px;
  }
}

@media (max-width: 400px) {
  h1 { font-size: 23px; }
  .brand .brand-sub { display: none; }
  .nav-links a { font-size: 13px; padding: 7px 6px; }
}

@media print {
  .site-nav, .hero-cta, .btn { display: none !important; }
  body { background: #fff; }
  .card, .panel, .hero-figure { box-shadow: none; }
}