@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600&family=Spectral:ital,wght@0,400;0,600;0,700;1,400&family=Source+Sans+3:wght@300;400;600&display=swap');

:root {
  --c-primary:      #C9A84C;
  --c-primary-dark: #1C1400;
  --c-primary-mid:  #8B6914;
  --c-primary-pale: #FBF5E0;
  --c-bg:           #F5F0E5;
  --c-surface:      #FDFAF2;
  --c-border:       #D4C090;
  --c-text:         #1A1100;
  --c-muted:        #6B5020;
  --font-ui:        'DM Sans', system-ui, sans-serif;
  --font-body:      'Source Sans 3', Georgia, serif;
  --font-display:   'Spectral', Georgia, serif;
}

html { overflow-x: hidden; }

/* ── Yleiset tyylit ──────────────────────────────────────────── */
body {
  font-family: var(--font-body);
  line-height: 1.65;
  color: var(--c-text);
  background: var(--c-bg);
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  color: #1A1100;
}

/* ── Navigaatio ──────────────────────────────────────────────── */
.simple-nav {
  background-color: var(--c-primary-dark);
  height: 48px;
  display: flex;
  align-items: center;
  padding: 0 0.5rem;
  margin-bottom: 20px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 8px rgba(0,0,0,0.32);
}

.simple-nav a {
  text-decoration: none;
  color: rgba(255,255,255,0.65);
  padding: 0 0.9rem;
  height: 48px;
  display: inline-flex;
  align-items: center;
  font-size: 0.88em;
  font-family: var(--font-ui);
  letter-spacing: 0.02em;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.simple-nav a:hover {
  color: #fff;
  text-decoration: none;
}

.simple-nav a.nav-kesken {
  color: rgba(255,255,255,0.35);
}

.simple-nav a.nav-kesken::after {
  content: " 🚧";
  font-size: 0.8em;
}

.simple-nav a.nav-aktiv {
  color: #fff;
  font-weight: 600;
  border-bottom-color: #C9A84C;
}

.nav-random-btn {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.85);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 0;
  padding: 0.3rem 0.75rem;
  font-size: 0.82em;
  font-family: var(--font-ui);
  font-weight: 500;
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
  white-space: nowrap;
}
.nav-random-btn:hover {
  background: rgba(255,255,255,0.22);
  color: #fff;
}

@media (max-width: 600px) {
  .simple-nav a:not(.nav-aktiv) { display: none; }
}
@media (max-width: 360px) {
  .nav-random-btn .btn-text { display: none; }
  .nav-random-btn { padding: 0.3rem 0.6rem; }
}

/* ── Erikoisluokat ───────────────────────────────────────────── */
.fakta-laatikko {
  background-color: #FBF5E0;
  border-left: 6px solid #8B6914;
  padding: 15px;
  margin: 20px 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

caption {
  caption-side: bottom;
  text-align: left;
  font-size: 0.85em;
  color: #666;
  padding: 6px 0 0 0;
  font-style: italic;
}

th, td {
  border: 1px solid #ddd;
  padding: 10px;
  text-align: left;
}

th {
  background-color: #F5F0E5;
  color: #1A1100;
}

.saasto {
  color: #27ae60;
  font-weight: bold;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 20px 0;
}

.dataneuvos-opinion {
  margin-top: 16px;
  padding: 14px 18px;
  background-color: #FBF5E0;
  border: 2px solid #C9A84C;
  border-left: 4px solid #8B6914;
  border-radius: 0;
}

.dataneuvos-opinion .opinion-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: bold;
  color: #8B6914;
  margin-bottom: 6px;
  font-size: 0.95em;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.dataneuvos-opinion .opinion-label::before {
  content: "💬";
  font-size: 1em;
}

.dataneuvos-opinion p {
  margin: 0;
  color: #3d2e00;
  font-size: 0.95em;
  line-height: 1.65;
}

/* ── Footer ──────────────────────────────────────────────────── */
.sivusto-footer {
  margin-top: 56px;
  padding: 20px 0 12px 0;
  border-top: 1px solid #ddd;
  font-size: 0.86em;
  color: #777;
  text-align: center;
  line-height: 1.8;
}

.sivusto-footer strong {
  color: #555;
}

.sivusto-footer a {
  color: #8B6914;
  text-decoration: none;
}

.sivusto-footer a:hover {
  text-decoration: underline;
}

.footer-linkit {
  margin-top: 4px;
}

/* ── Termistö: kortti-pohja ──────────────────────────────────── */
.termi {
  margin-bottom: 1.2rem;
  border-radius: 0;
  border: 1px solid var(--c-border);
  border-top: 4px solid #7f8c8d;
  padding: 1.1rem 1.4rem 1.2rem;
  background: var(--c-surface);
  box-shadow: 0 1px 5px rgba(0,0,0,0.06);
  transition: background-color 0.3s ease, transform 0.15s ease, box-shadow 0.15s ease;
}

.termi:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(0,0,0,0.10);
}

/* Highlight kun navigoidaan ankkerilla */
.termi:target,
.termi.highlighted {
  background-color: #FBF5E0;
  border-left: 4px solid #C9A84C;
  scroll-margin-top: 80px;
}

.termi[id] {
  cursor: pointer;
}

/* ── Hakemisto / Sisällysluettelo ────────────────────────────── */
.hakemisto {
  background: #FBF5E0;
  border: 1px solid var(--c-border);
  border-top: 3px solid var(--c-primary);
  border-radius: 0;
  padding: 1.2rem 1.5rem 1rem;
  margin-bottom: 2rem;
}

.hakemisto > strong {
  display: block;
  font-size: 0.78em;
  color: #666;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  margin-bottom: 0.9rem;
  font-family: 'Source Sans 3', Arial, sans-serif;
  font-weight: 600;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid #d0cec7;
}

.hakemisto-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.25rem 1.5rem;
}

.hakemisto-grid a {
  font-size: 0.88em;
  color: var(--c-text);
  text-decoration: none;
  line-height: 1.6;
}

.hakemisto-grid a:hover {
  color: var(--c-primary-mid);
  text-decoration: underline;
}

/* ── Kategoroitu hakemisto ───────────────────────────────────── */
.hakemisto-kategoriat {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(185px, 1fr));
  gap: 1.2rem 1.5rem;
}

.hak-kategoria .hak-otsikko {
  font-size: 0.70em;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #777;
  font-weight: 600;
  margin-bottom: 0.45rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid #d8d6cf;
  font-family: 'Source Sans 3', Arial, sans-serif;
}

.hak-kategoria a {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.87em;
  color: var(--c-text);
  text-decoration: none;
  line-height: 1.75;
}

.hak-kategoria a:hover {
  color: var(--c-primary-mid);
  text-decoration: underline;
}

.hak-piste {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  opacity: 0.85;
}

/* ── Lue lisää ───────────────────────────────────────────── */
.lue-lisaa {
  margin-top: 2rem;
  padding: 1.1rem 1.2rem 0.9rem;
  border-radius: 0;
  background: #FBF5E0;
  border-top: 2px solid var(--c-primary, #C9A84C);
}
.lue-lisaa-otsikko {
  font-size: 0.67em;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--c-primary, #015E38);
  margin-bottom: 0.8rem;
  font-family: var(--font-ui, 'DM Sans', sans-serif);
  opacity: 0.7;
}
.lue-lisaa-rivi {
  display: flex;
  gap: 0.85rem;
  margin-bottom: 0.5rem;
  align-items: flex-start;
}
.lue-lisaa-tyyppi {
  flex-shrink: 0;
  width: 4.8rem;
  font-size: 0.7em;
  font-weight: 600;
  color: #999;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding-top: 0.22em;
  font-family: var(--font-ui, 'DM Sans', sans-serif);
}
.lue-lisaa-lista {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.85em;
  line-height: 1.6;
}
.lue-lisaa-lista li + li { margin-top: 0.25rem; }
.lue-lisaa-lista cite {
  font-style: italic;
  color: #1a2332;
  font-family: var(--font-display, 'Spectral', serif);
}
.lue-lisaa-lista a {
  color: var(--c-primary-mid, #8B6914);
  text-decoration: none;
  border-bottom: 1px solid rgba(139,105,20,0.3);
}
.lue-lisaa-lista a:hover { border-bottom-color: var(--c-primary-mid, #8B6914); }
@media (max-width: 480px) {
  .lue-lisaa-rivi { flex-direction: column; gap: 0.1rem; }
  .lue-lisaa-tyyppi { width: auto; }
}

/* Pikkulogo ilmiösivun yläpalkissa */
.kortti-logo { display: inline-flex; align-items: center; flex-shrink: 0; margin-right: 0.1rem; }
.kortti-logo img { width: 24px; height: 24px; display: block; }

/* H2: liittyvät ilmiöt -lohko */
.liittyvat { margin: 2.2rem 0 0; padding: 1.4rem 1.6rem; background: #FDFAF2;
  border: 1px solid #D4C090; border-left: 4px solid #C9A84C; }
.liittyvat h2 { font-family: 'Spectral', Georgia, serif; font-size: 1.15rem;
  color: #1C1400; margin: 0 0 0.85rem; }
.liittyvat ul { list-style: none; margin: 0; padding: 0; display: flex;
  flex-wrap: wrap; gap: 0.5rem 0.6rem; }
.liittyvat li { margin: 0; }
.liittyvat a { display: inline-block; color: #8B6914; text-decoration: none;
  font-size: 0.9rem; padding: 0.32rem 0.7rem; border: 1px solid #D4C090;
  background: #fff; transition: border-color .12s, color .12s; }
.liittyvat a:hover { border-color: #C9A84C; color: #1C1400; }

/* CLS: varaa tila Mermaid-diagrammeille ennen renderöintiä */
.mermaid { min-height: 220px; display: flex; align-items: center; justify-content: center; }
.mermaid svg { max-width: 100%; height: auto; }