:root {
  --navy: #0b2545;
  --muted: #6b7280;
  --light: #f4f6f9;
  --card-bg: #ffffff;
  --border-color: #e2e8f0;
  --accent: #1e3a8a;
  --text: #1f2937;
  --max-width: 860px;
  --radius: 8px;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background-color: var(--light);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background-color: var(--light);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

/* Yläpalkki */
.site-header {
  background: var(--navy);
  color: white;
  padding: 1.25rem 0;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.06);
}

.brand h1 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
}

.brand .reg {
  margin: 0.15rem 0 0;
  font-size: 0.85rem;
  color: #cbd5e1;
}

.nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.25rem;
}

.nav a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-size: 0.95rem;
}

.nav a:hover {
  text-decoration: underline;
}

/* Painikkeet */
.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--card-bg);
  color: var(--navy);
  border: 1px solid #d1d5db;
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  margin-bottom: 1.5rem;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.btn-back:hover {
  background: var(--light);
  border-color: var(--accent);
}

/* Hero-alue */
.hero {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-top: 1.25rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

.lead {
  margin-top: 0.5rem;
  color: var(--muted);
}

/* Yhtenäiset valkoiset sisältökortit kaikille lohkoille */
main section,
article.legal-content {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  margin-top: 1.25rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

/* Otsikot osioissa */
main h2,
main h3 {
  color: var(--navy);
  font-size: 1.25rem;
  margin-top: 0;
  margin-bottom: 0.85rem;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid #eef2f6;
}

.legal-content h2 {
  margin-top: 1.75rem;
  margin-bottom: 0.5rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid #e6eef7;
}

.legal-content h2:first-of-type {
  margin-top: 0;
}

main h4 {
  color: var(--navy);
  margin-top: 1.25rem;
  margin-bottom: 0.35rem;
  font-size: 1.05rem;
}

/* Palvelulistauksen kortit */
.services-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.services-list li {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  padding: 1rem 1.25rem;
  border-radius: 6px;
}

.services-list h4 {
  margin: 0 0 0.3rem 0;
  color: var(--navy);
}

.services-list p {
  margin: 0;
}

/* Tekstit ja listat */
p {
  margin: 0.4rem 0 0.8rem;
}

ul {
  margin: 0.4rem 0 1rem 1.25rem;
  padding: 0;
}

li {
  margin-bottom: 0.4rem;
}

/* Alatunniste */
.site-footer {
  margin-top: 2.5rem;
  padding: 1.5rem 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--border-color);
}

/* Saavutettavuus ja linkit */
.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  position: static;
  width: auto;
  height: auto;
  padding: 0.5rem;
  background: #000;
  color: #fff;
  z-index: 1000;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
}

a:hover {
  text-decoration: underline;
}

a:focus {
  outline: 3px solid rgba(30, 58, 138, 0.25);
  outline-offset: 2px;
}