:root {
  --ink: #1a1a1a;
  --muted: #5f6772;
  --line: #e3e6ea;
  --paper: #ffffff;
  --cream: #f4f5f7;
  --navy: #1f2a44;
  --accent: #2f5fd0;
  --accent-dark: #1e3f96;
  --accent-line: color-mix(in srgb, var(--accent) 26%, white);
  --accent-wash: color-mix(in srgb, var(--accent) 6%, white);
  --accent-light: color-mix(in srgb, var(--accent) 55%, white);
  --gold: #ffb800;
  --live: #1b7f4b;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(20, 20, 20, .08);
  --content: 1280px;
  --peli: #d9700f;
  --web: #0d9488;
  --ohjelmointi: #2f5fd0;
  --kyber: #b3283f;
  --ittuki: #7c3aed;
  --muu: #5f6772;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
[id] { scroll-margin-top: 90px; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--cream);
  font-family: Inter, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { margin: 0; line-height: 1.15; letter-spacing: -.02em; }
p { margin: 0 0 .8rem; }
a { color: var(--accent-dark); }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 20;
  padding: .7rem 1rem; color: white; background: var(--navy);
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }

/* ---------- header ---------- */
.site-header {
  color: white;
  background:
    radial-gradient(circle at 82% 20%, color-mix(in srgb, var(--accent) 42%, transparent), transparent 46%),
    var(--navy);
}
.header-inner { max-width: var(--content); margin: 0 auto; padding: clamp(2.6rem, 6vw, 4.5rem) clamp(1rem, 4vw, 2.5rem) clamp(2rem, 4vw, 3rem); }
.eyebrow { margin: 0 0 .7rem; color: var(--accent-light); font-size: .72rem; font-weight: 900; letter-spacing: .14em; text-transform: uppercase; }
.site-header h1 { max-width: 18ch; font-size: clamp(2.1rem, 5.5vw, 3.4rem); font-weight: 850; }
.lead { max-width: 62ch; margin: 1rem 0 0; color: #d5dae4; font-size: clamp(1rem, 1.6vw, 1.1rem); }

.header-stats { display: flex; flex-wrap: wrap; gap: clamp(1.4rem, 4vw, 3rem); margin: 2rem 0 0; }
.header-stats div { display: flex; flex-direction: column-reverse; }
.header-stats dt { color: #9aa5b8; font-size: .74rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.header-stats dd { margin: 0; color: white; font-size: 2rem; font-weight: 850; line-height: 1.1; }

/* ---------- suodattimet ---------- */
.controls {
  position: sticky; top: 0; z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .93);
  backdrop-filter: blur(8px);
}
.controls-inner {
  display: flex; flex-wrap: wrap; align-items: center; gap: .7rem 1rem;
  max-width: var(--content); margin: 0 auto; padding: .85rem clamp(1rem, 4vw, 2.5rem);
}
.search { flex: 1 1 280px; min-width: 220px; }
.search input {
  width: 100%; min-height: 44px; padding: .6rem .9rem;
  border: 1px solid var(--line); border-radius: 999px;
  color: inherit; background: var(--paper); font: inherit;
}
.search input:focus { border-color: var(--accent); outline: 3px solid color-mix(in srgb, var(--accent) 20%, transparent); }

.chip-row { display: flex; flex-wrap: wrap; gap: .4rem; }
.chip {
  display: inline-flex; align-items: center; gap: .45rem;
  min-height: 40px; padding: .35rem .8rem;
  border: 1px solid var(--line); border-radius: 999px;
  color: var(--ink); background: var(--paper);
  font: inherit; font-size: .86rem; font-weight: 700; cursor: pointer;
  transition: border-color .15s ease, background .15s ease, color .15s ease;
}
.chip:hover { border-color: var(--accent); }
.chip .count { color: var(--muted); font-size: .78rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.chip .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--muu); }
.chip[aria-pressed="true"] { color: white; background: var(--navy); border-color: var(--navy); }
.chip[aria-pressed="true"] .count { color: #b9c2d4; }
.chip.tyhja { opacity: .5; }
.chip.tyhja:hover { opacity: 1; }
.chip-row.secondary .chip { font-size: .8rem; min-height: 36px; }

/* ---------- lista ---------- */
main { max-width: var(--content); margin: 0 auto; padding: clamp(1.4rem, 3vw, 2.4rem) clamp(1rem, 4vw, 2.5rem) 4rem; }
.result-count { color: var(--muted); font-size: .86rem; font-weight: 600; }

.ryhma { margin: 0 0 2.6rem; }
.ryhma-otsikko {
  display: flex; align-items: baseline; gap: .7rem;
  margin: 0 0 1rem; padding-bottom: .55rem;
  border-bottom: 2px solid var(--line);
}
.ryhma-otsikko h2 { font-size: 1.22rem; font-weight: 850; }
.ryhma-otsikko .mark { width: 12px; height: 12px; border-radius: 3px; }
.ryhma-otsikko .count { margin-left: auto; color: var(--muted); font-size: .82rem; font-weight: 700; }
.ryhma-kuvaus { margin: -.5rem 0 1.1rem; color: var(--muted); font-size: .9rem; max-width: 70ch; }

.kortit { display: grid; gap: 1.1rem; grid-template-columns: repeat(auto-fill, minmax(310px, 1fr)); }

.kortti {
  display: flex; flex-direction: column;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--paper); box-shadow: var(--shadow);
  overflow: hidden;
}
.kortti-kuva { position: relative; aspect-ratio: 16 / 10; background: var(--cream); border-bottom: 1px solid var(--line); }
.kortti-kuva img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: top center; }
.kortti-kuva .placeholder {
  display: grid; place-items: center; height: 100%;
  color: var(--muted); font-size: .82rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
}
.tyyppi-merkki {
  position: absolute; left: .7rem; top: .7rem;
  padding: .25rem .6rem; border-radius: 999px;
  color: white; font-size: .7rem; font-weight: 800; letter-spacing: .05em; text-transform: uppercase;
}
.tila-merkki {
  position: absolute; right: .7rem; top: .7rem;
  display: inline-flex; align-items: center; gap: .35rem;
  padding: .25rem .6rem; border-radius: 999px;
  color: var(--navy); background: rgba(255,255,255,.94);
  font-size: .7rem; font-weight: 800;
}
.tila-merkki::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--muted); }
.tila-merkki.kaynnissa::before { background: var(--live); }
.kieli-merkki {
  position: absolute; left: .7rem; bottom: .7rem;
  display: inline-flex; align-items: center; gap: .3rem;
  padding: .22rem .55rem; border-radius: 999px;
  color: var(--navy); background: rgba(255,255,255,.94);
  font-size: .7rem; font-weight: 800; letter-spacing: .04em;
}
.vain-ruudunlukijalle {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.kortti-sisalto { display: flex; flex-direction: column; flex: 1; padding: 1rem 1.05rem 1.05rem; }
.kortti h3 { font-size: 1.12rem; font-weight: 850; }
.kortti h3 a { color: inherit; text-decoration: none; }
.kortti h3 a:hover { color: var(--accent-dark); text-decoration: underline; }
.kortti-kuvaus { margin: .5rem 0 .75rem; color: #3d444e; font-size: .92rem; }

.meta { display: flex; flex-wrap: wrap; gap: .3rem .7rem; margin: 0 0 .7rem; color: var(--muted); font-size: .8rem; font-weight: 650; }
.meta span::after { content: " ·"; color: var(--line); }
.meta span:last-child::after { content: ""; }

.tekniikat { display: flex; flex-wrap: wrap; gap: .3rem; margin: 0 0 .9rem; padding: 0; list-style: none; }
.tekniikat li {
  padding: .16rem .5rem; border: 1px solid var(--accent-line); border-radius: 5px;
  color: var(--accent-dark); background: var(--accent-wash);
  font-size: .74rem; font-weight: 750;
}

.kortti-linkit { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: auto; padding-top: .3rem; }
.nappi {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 40px; padding: .45rem .85rem;
  border: 1.5px solid transparent; border-radius: 8px;
  font-size: .86rem; font-weight: 800; text-decoration: none;
}
.nappi-ensisijainen { color: white; background: var(--accent); }
.nappi-ensisijainen:hover { background: var(--accent-dark); }
.nappi-toissijainen { color: var(--navy); border-color: var(--line); background: var(--paper); }
.nappi-toissijainen:hover { border-color: var(--navy); }

.opettajalle { margin: .85rem -1.05rem -1.05rem; border-top: 1px solid var(--line); background: #fafbfc; }
.opettajalle summary {
  padding: .6rem 1.05rem; color: var(--muted);
  font-size: .8rem; font-weight: 800; cursor: pointer;
}
.opettajalle summary:hover { color: var(--navy); }
.opettajalle[open] summary { color: var(--navy); }
.opettajalle-sisalto { padding: 0 1.05rem 1rem; font-size: .82rem; }
.opettajalle h4 { margin: .2rem 0 .35rem; color: var(--muted); font-size: .7rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.opettajalle ul { margin: 0 0 .7rem; padding-left: 1.1rem; }
.opettajalle li { margin-bottom: .18rem; }
.opettajalle .rivi { display: flex; justify-content: space-between; gap: 1rem; padding: .25rem 0; border-top: 1px solid var(--line); }
.opettajalle .rivi span:first-child { color: var(--muted); }
.opettajalle .rivi span:last-child { font-weight: 700; text-align: right; }

.empty-state { padding: 3rem 1rem; color: var(--muted); text-align: center; font-weight: 600; }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--line); background: var(--paper); }
.footer-inner { max-width: var(--content); margin: 0 auto; padding: 2rem clamp(1rem, 4vw, 2.5rem) 3rem; color: var(--muted); font-size: .88rem; }
.footer-inner .muted { font-size: .82rem; }
code { padding: .1rem .3rem; border-radius: 4px; background: var(--cream); font-size: .92em; }

@media (max-width: 620px) {
  .header-stats { gap: 1.2rem; }
  .header-stats dd { font-size: 1.6rem; }
  .kortit { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

@media print {
  .controls, .skip-link, .kortti-linkit { display: none; }
  body { background: white; }
  .kortti { break-inside: avoid; box-shadow: none; }
}