/* getkhuhu.com: one stylesheet for every page.
   Colour tokens match the extension's pages (extension/page.css in the khuhu
   repo), so the site and the product look like one thing. Light and dark. */

:root {
  --bg: #fbf8f1;
  --surface: #ffffff;
  --surface-2: #f4f1ea;
  --fg: #1d2421;
  --muted: #5d6763;
  --line: #e4e0d6;
  --accent: #243a61;
  --accent-hover: #1b2d4d;
  --accent-fg: #ffffff;
  --accent-soft: #e4eaf5;
  --warn-bg: #fff4e2;
  --warn-line: #f1d3a1;
  --warn-fg: #6b4100;
  --shadow: 0 1px 2px rgba(20, 30, 25, .06), 0 4px 16px rgba(20, 30, 25, .05);
  --radius: 14px;
  --wrap: 1040px;
  --gutter: 20px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17191d; --surface: #212429; --surface-2: #2a2d33; --fg: #e9eaee; --muted: #a3a8b0; --line: #343840;
    --accent: #9db9ee; --accent-hover: #b4caf3; --accent-fg: #101b30; --accent-soft: #26344f;
    --warn-bg: #3a3122; --warn-line: #5a4a2c; --warn-fg: #f3d49b; --shadow: none;
    color-scheme: dark;
  }
}

/* ---------- base ---------- */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}
img { max-width: 100%; height: auto; }
a { color: var(--accent); }
a:hover { color: var(--accent-hover); }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.01em; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 5vw, 3.1rem); }
h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.3em; }
li { margin: .3em 0; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: var(--gutter); top: 8px; z-index: 10; background: var(--surface); padding: 6px 10px; }

/* ---------- header and footer ---------- */
.site-header { border-bottom: 1px solid var(--line); background: var(--bg); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--fg); text-decoration: none; font-weight: 700; font-size: 1.15rem; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.nav { display: flex; gap: 18px; flex-wrap: wrap; }
.nav a { color: var(--muted); text-decoration: none; font-weight: 600; font-size: .95rem; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--fg); }

.site-footer { border-top: 1px solid var(--line); margin-top: 72px; padding: 28px 0 40px; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; }
.site-footer nav { display: flex; gap: 18px; flex-wrap: wrap; }
.site-footer a { color: var(--muted); }
.footer-note { flex-basis: 100%; margin: 0; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 18px; border-radius: 10px; border: 1px solid transparent;
  font-weight: 600; text-decoration: none; font-size: 1rem;
}
.btn.primary { background: var(--accent); color: var(--accent-fg); }
.btn.primary:hover { background: var(--accent-hover); color: var(--accent-fg); }
.btn.secondary { background: var(--surface); color: var(--fg); border-color: var(--line); }
.btn.secondary:hover { background: var(--surface-2); color: var(--fg); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0 8px; }

/* ---------- home ---------- */
.hero { padding: 64px 0 40px; }
.hero .lead { font-size: clamp(1.05rem, 2.2vw, 1.25rem); color: var(--muted); max-width: 40em; }
.hero .lead strong { color: var(--fg); }
.eyebrow { display: inline-block; background: var(--accent-soft); color: var(--accent); font-weight: 700; font-size: .8rem;
  letter-spacing: .04em; text-transform: uppercase; padding: 4px 10px; border-radius: 999px; margin-bottom: 16px; }

.section { padding: 40px 0; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px; }
.card p:last-child { margin-bottom: 0; }
.step-num { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent); font-weight: 700; margin-bottom: 10px; }

.points { list-style: none; padding: 0; display: grid; gap: 14px 28px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 400px), 1fr)); }
.points li { margin: 0; padding-left: 30px; position: relative; }
.points li::before { content: ""; position: absolute; left: 0; top: .35em; width: 18px; height: 18px; border-radius: 50%;
  background: var(--accent-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='m5.5 10.5 3 3 6-7' fill='none' stroke='%23243a61' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 14px no-repeat; }

/* The tick is drawn in the accent colour, which is lighter in dark mode. */
@media (prefers-color-scheme: dark) {
  .points li::before { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='m5.5 10.5 3 3 6-7' fill='none' stroke='%239db9ee' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); }
}

.note { background: var(--warn-bg); color: var(--warn-fg); border: 1px solid var(--warn-line); border-radius: var(--radius); padding: 16px 18px; }

/* ---------- text pages (privacy, support) ---------- */
.prose { max-width: 760px; padding-top: 48px; }
.prose h2 { font-size: 1.3rem; margin-top: 2em; }
.prose h3 { margin-top: 1.5em; }
.table-wrap { overflow-x: auto; margin: 0 0 1em; }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
th, td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
th { background: var(--surface-2); }
details { border: 1px solid var(--line); border-radius: 10px; background: var(--surface); padding: 12px 16px; margin: 0 0 10px; }
summary { cursor: pointer; font-weight: 600; }
details[open] summary { margin-bottom: 8px; }

/* Text still to be filled in before launch (see docs/tasks.md). */
.placeholder { background: #fff3a8; color: #3d3400; padding: 0 3px; border-radius: 3px; }