/* Nova Lingvo — shared stylesheet.
   Palette is lifted from the IDK parrot logo (idk-app/branding/IDK-logo.pdf):
   crimson #E94847, saffron #F8AC2A. */

:root {
  color-scheme: light dark;

  --crimson: #E94847;
  --crimson-deep: #C4322F;
  --saffron: #F8AC2A;

  --paper: #FBF8F4;
  --card: #FFFFFF;
  --ink: #1D1A17;
  --ink-soft: #55504A;
  --ink-faint: #857D74;
  --rule: #E7E0D6;
  --shadow: 0 1px 2px rgba(29, 26, 23, .05), 0 8px 24px -12px rgba(29, 26, 23, .18);

  --measure: 34rem;
  --page: 46rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --crimson: #FF6B69;
    --crimson-deep: #FF8A88;
    --saffron: #FFC155;

    --paper: #16130F;
    --card: #201C17;
    --ink: #F3EDE4;
    --ink-soft: #BDB3A6;
    --ink-faint: #8B8177;
    --rule: #322C24;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px -12px rgba(0, 0, 0, .7);
  }
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.65 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Inter,
        Roboto, "Helvetica Neue", Arial, sans-serif;
  font-feature-settings: "kern", "liga";
}

.wrap {
  max-width: var(--page);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---- header ------------------------------------------------------------ */

.site-head {
  padding: 2.5rem 0 0;
}

.site-head .wrap {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  text-decoration: none;
  color: inherit;
  font-weight: 650;
  letter-spacing: -.01em;
}

.brand img { width: 34px; height: 34px; display: block; }

.site-nav {
  margin-left: auto;
  display: flex;
  gap: 1.1rem;
  font-size: .93rem;
}

.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--crimson);
}

/* ---- hero -------------------------------------------------------------- */

.hero {
  padding: 3.5rem 0 2.5rem;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2.5rem;
  align-items: center;
}

.hero-mark {
  width: 168px;
  height: 168px;
  flex: none;
}

.hero h1 {
  font-size: clamp(2rem, 6vw, 2.9rem);
  line-height: 1.1;
  letter-spacing: -.025em;
  margin: 0 0 .6rem;
  font-weight: 700;
}

.hero p.lede {
  font-size: 1.12rem;
  color: var(--ink-soft);
  margin: 0 0 1.5rem;
  max-width: var(--measure);
}

@media (max-width: 640px) {
  .hero-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .hero-mark { width: 120px; height: 120px; order: -1; }
}

/* ---- typography -------------------------------------------------------- */

main { padding-bottom: 4rem; }

h2 {
  font-size: 1.3rem;
  letter-spacing: -.015em;
  margin: 2.75rem 0 .75rem;
  font-weight: 650;
}

h3 {
  font-size: 1.05rem;
  margin: 1.75rem 0 .4rem;
  font-weight: 650;
}

p, li { max-width: var(--measure); }

a { color: var(--crimson-deep); text-underline-offset: .16em; }
a:hover { color: var(--crimson); }

ul, ol { padding-left: 1.15rem; }
li { margin: .3rem 0; }

code {
  font: 500 .88em/1.4 ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  background: color-mix(in srgb, var(--ink) 7%, transparent);
  padding: .12em .38em;
  border-radius: 4px;
}

hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 3rem 0;
}

.muted { color: var(--ink-faint); font-size: .93rem; }

.updated {
  color: var(--ink-faint);
  font-size: .9rem;
  margin: -.25rem 0 2rem;
}

/* ---- cards ------------------------------------------------------------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
  max-width: none;
}

.card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 1.25rem 1.35rem 1.35rem;
  box-shadow: var(--shadow);
  margin: 0;
  max-width: none;
}

.card h3 { margin: 0 0 .1rem; font-size: 1.08rem; }
.card p { margin: .55rem 0 0; font-size: .96rem; color: var(--ink-soft); max-width: none; }

.tag {
  display: inline-block;
  font-size: .72rem;
  font-weight: 650;
  letter-spacing: .045em;
  text-transform: uppercase;
  padding: .2rem .5rem;
  border-radius: 999px;
  vertical-align: 2px;
}

.tag-dev { background: color-mix(in srgb, var(--saffron) 26%, transparent); color: var(--ink); }
.tag-live { background: color-mix(in srgb, var(--crimson) 20%, transparent); color: var(--ink); }

/* ---- contact / callout ------------------------------------------------- */

.callout {
  background: var(--card);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--saffron);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin: 1.5rem 0;
  max-width: var(--measure);
}

.callout p { margin: 0; }
.callout p + p { margin-top: .6rem; }

.contact {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.25rem;
  align-items: baseline;
  margin: 1.25rem 0 0;
}

.btn {
  display: inline-block;
  background: var(--crimson);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: .97rem;
  padding: .62rem 1.15rem;
  border-radius: 8px;
  border: 1px solid transparent;
}

.btn:hover { background: var(--crimson-deep); color: #fff; }

.btn-quiet {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule);
}

.btn-quiet:hover { background: var(--card); color: var(--ink); border-color: var(--ink-faint); }

/* ---- tables ------------------------------------------------------------ */

.table-scroll { overflow-x: auto; margin: 1rem 0 1.5rem; }

table {
  border-collapse: collapse;
  width: 100%;
  min-width: 30rem;
  font-size: .94rem;
}

th, td {
  text-align: left;
  vertical-align: top;
  padding: .55rem .8rem .55rem 0;
  border-bottom: 1px solid var(--rule);
}

th { font-weight: 650; color: var(--ink-soft); font-size: .85rem; letter-spacing: .02em; }

/* ---- footer ------------------------------------------------------------ */

.site-foot {
  border-top: 1px solid var(--rule);
  padding: 2rem 0 3rem;
  color: var(--ink-faint);
  font-size: .9rem;
}

.site-foot .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.25rem;
  align-items: baseline;
}

.site-foot a { color: var(--ink-soft); }
.site-foot .spacer { margin-left: auto; }

:focus-visible {
  outline: 2px solid var(--crimson);
  outline-offset: 2px;
  border-radius: 3px;
}