/*
 * collecticloud.org -- one stylesheet for every page. No framework, no web
 * fonts (system stack: fast, private, nothing fetched from a third party),
 * no JavaScript needed for any of it.
 *
 * Colours are tokens on :root, redefined for dark mode; components only ever
 * use the tokens, so both themes stay in step.
 */
:root {
  --bg: #f7f8fb;
  --surface: #ffffff;
  --surface-2: #eef2f8;
  --text: #172033;
  --muted: #566078;
  --line: #d9dfea;
  --accent: #1f5fd6;        /* links, primary buttons */
  --accent-ink: #ffffff;
  --accent-soft: #e5edfc;
  --sky: #0e9f8f;           /* the "cloud" second colour: tags, highlights */
  --radius: 14px;
  --shadow: 0 1px 2px rgba(23, 32, 51, .06), 0 8px 24px rgba(23, 32, 51, .06);
  --max: 1080px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1220;
    --surface: #151c2e;
    --surface-2: #1b2438;
    --text: #e7ecf6;
    --muted: #a3adc2;
    --line: #2a3550;
    --accent: #6ea3ff;
    --accent-ink: #0d1220;
    --accent-soft: #1d2b4a;
    --sky: #3fd1bf;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--accent); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
img, svg { max-width: 100%; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.01em; }
code { font: .92em ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
       background: var(--surface-2); padding: .1em .35em; border-radius: 5px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; background: var(--surface); padding: 8px 12px; z-index: 10; }

/* ---- header / footer ---- */
.site-header { border-bottom: 1px solid var(--line); background: var(--surface); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between;
                     gap: 16px; min-height: 64px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text);
         text-decoration: none; font-weight: 700; font-size: 1.1rem; }
.brand svg { width: 30px; height: 30px; flex: none; }
.nav { display: flex; gap: 20px; flex-wrap: wrap; }
.nav a { color: var(--muted); text-decoration: none; font-weight: 500; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); }

.site-footer { border-top: 1px solid var(--line); margin-top: 72px; padding: 28px 0 40px;
               color: var(--muted); font-size: .92rem; }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.site-footer a { color: var(--muted); }

/* ---- sections ---- */
.hero { padding: 72px 0 40px; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.1rem); margin: 0 0 16px; max-width: 18ch; }
.hero p.lead { font-size: 1.18rem; color: var(--muted); max-width: 60ch; margin: 0 0 28px; }
.eyebrow { color: var(--sky); font-weight: 700; text-transform: uppercase;
           letter-spacing: .08em; font-size: .8rem; margin: 0 0 10px; }

section { padding: 40px 0; }
section > .wrap > h2 { font-size: 1.7rem; margin: 0 0 8px; }
section > .wrap > p.sub { color: var(--muted); margin: 0 0 28px; max-width: 65ch; }

.btns { display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 11px 18px;
       border-radius: 10px; font-weight: 600; text-decoration: none;
       border: 1px solid var(--line); color: var(--text); background: var(--surface); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn:hover { box-shadow: var(--shadow); text-decoration: none; }

.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
        padding: 22px; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.card h3 { margin: 0 0 6px; font-size: 1.15rem; }
.card p { margin: 0 0 12px; color: var(--muted); }
.card .more { margin-top: auto; font-weight: 600; }
.tags { display: flex; gap: 6px; flex-wrap: wrap; margin: 0 0 10px; padding: 0; list-style: none; }
.tags li { font-size: .78rem; font-weight: 600; color: var(--sky); background: var(--surface-2);
           border-radius: 999px; padding: 2px 10px; }

.feature { display: grid; gap: 28px; grid-template-columns: 1.1fr .9fr; align-items: center; }
@media (max-width: 760px) { .feature { grid-template-columns: 1fr; } }
.panel { background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius);
         padding: 22px; }

ul.checks { list-style: none; padding: 0; margin: 0 0 20px; }
ul.checks li { padding-left: 28px; position: relative; margin: 6px 0; }
ul.checks li::before { content: ""; position: absolute; left: 4px; top: .55em; width: 12px; height: 7px;
                       border-left: 2.5px solid var(--sky); border-bottom: 2.5px solid var(--sky);
                       transform: rotate(-45deg); }

.contact { background: var(--accent-soft); border-radius: var(--radius); padding: 32px;
           border: 1px solid var(--line); }
.contact h2 { margin-top: 0; }

/* ---- long-form pages (tool page, privacy) ---- */
.prose { max-width: 72ch; }
.prose h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); margin: 48px 0 12px; }
.prose h2 { margin: 36px 0 8px; font-size: 1.35rem; }
.prose p, .prose li { color: var(--text); }
.prose .muted { color: var(--muted); }
table.dl { border-collapse: collapse; width: 100%; margin: 12px 0 20px; font-size: .95rem; }
table.dl th, table.dl td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line);
                           vertical-align: top; }
table.dl th { color: var(--muted); font-weight: 600; }
@media (max-width: 600px) { table.dl th:nth-child(3), table.dl td:nth-child(3) { display: none; } }
figure { margin: 20px 0; }
figure img { border-radius: var(--radius); border: 1px solid var(--line); display: block; height: auto; }
figcaption { color: var(--muted); font-size: .9rem; margin-top: 8px; }

/* Page-title spacing on long-form pages (no inline styles: the CSP forbids them). */
.eyebrow.top { margin-top: 48px; }
.prose h1.flush { margin-top: 0; }