/* Shared styles for the gvia.net public pages (index, about, privacy, terms). Light, plain, readable. */
:root {
  --bg: #f5f7f6;
  --surface: #ffffff;
  --text: #1c2b27;
  --muted: #5b6b66;
  --line: #dfe6e3;
  --accent: #0f6b5c;
  --accent-dark: #0a4f44;
  --accent-soft: #e6f2ef;
  --radius: 10px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: 'Heebo', 'Assistant', 'Segoe UI', Tahoma, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  overflow-wrap: anywhere;
}

a { color: var(--accent); }
a:hover { color: var(--accent-dark); }
a:focus-visible, button:focus-visible { outline: 3px solid #f0b429; outline-offset: 2px; }

.wrap { width: 100%; max-width: 880px; margin: 0 auto; padding-inline: 20px; }

/* ---------- header ---------- */
.site-header { background: var(--surface); border-bottom: 1px solid var(--line); }
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; padding-top: 14px; padding-bottom: 14px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--text); }
.brand .mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 42px; height: 42px; border-radius: 9px;
  background: var(--accent); color: #fff; font-weight: 700; font-size: 0.85rem; letter-spacing: 0.02em;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { font-size: 1.1rem; }
.brand-text small { color: var(--muted); font-size: 0.82rem; }
.site-nav { display: flex; gap: 6px; flex-wrap: wrap; }
.site-nav a {
  padding: 6px 12px; border-radius: 6px; text-decoration: none; color: var(--text); font-size: 0.95rem;
}
.site-nav a:hover { background: var(--accent-soft); color: var(--accent-dark); }
.site-nav a[aria-current="page"] { background: var(--accent-soft); color: var(--accent-dark); font-weight: 600; }

/* ---------- main ---------- */
main { flex: 1; padding-top: 32px; padding-bottom: 48px; }

.hero { text-align: center; padding: 24px 0 12px; }
.hero h1 { font-size: 2rem; margin: 0 0 6px; }
.hero p { margin: 0; color: var(--muted); font-size: 1.05rem; }

.cities {
  list-style: none; margin: 28px 0 0; padding: 0;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px;
}
.cities a {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  min-height: 64px; padding: 14px 18px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  color: var(--text); text-decoration: none; font-size: 1.08rem; font-weight: 500;
  transition: border-color .15s, box-shadow .15s;
}
.cities a::after { content: "\2190"; color: var(--accent); font-size: 1.1rem; }
.cities a:hover { border-color: var(--accent); box-shadow: 0 2px 10px rgba(15, 107, 92, .12); }
.cities a.example { border-style: dashed; color: var(--muted); font-size: 1rem; }

.info-strip {
  margin-top: 36px; padding: 18px 20px; background: var(--accent-soft);
  border-radius: var(--radius); color: var(--accent-dark); font-size: 0.95rem;
}
.info-strip a { font-weight: 600; }

/* ---------- document pages (about / privacy / terms) ---------- */
.content h1 { font-size: 1.7rem; margin: 0 0 4px; }
.content .sub { margin: 0 0 24px; color: var(--muted); font-size: 0.95rem; }
.content section {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px 22px; margin: 14px 0;
}
.content h2 { font-size: 1.1rem; margin: 0 0 6px; color: var(--accent-dark); }
.content p, .content li { margin: 0 0 8px; }
.content ul, .content ol { margin: 0; padding-inline-start: 1.4rem; }
.content dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; margin: 0; }
.content dt { color: var(--muted); }
.content dd { margin: 0; }

.content .en {
  margin-top: 44px; padding-top: 28px; border-top: 2px solid var(--line);
}

/* ---------- footer ---------- */
.site-footer { background: #17342d; color: #d7e6e1; font-size: 0.9rem; padding: 26px 0; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 18px 40px; }
.site-footer strong { color: #fff; display: block; margin-bottom: 2px; }
.site-footer a { color: #fff; }
.site-footer address { font-style: normal; line-height: 1.8; }
.site-footer .links { display: flex; flex-direction: column; gap: 2px; }

@media (max-width: 560px) {
  .hero h1 { font-size: 1.6rem; }
  .content section { padding: 16px; }
  .content dl { grid-template-columns: 1fr; gap: 0; }
  .content dt { margin-top: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  .cities a { transition: none; }
}

/* Public solution overview; document-page layout remains independent. */
html { scroll-padding-top: 24px; }
.skip-link { position: absolute; top: -100px; inset-inline-start: 20px; padding: 10px 18px; background: white; z-index: 10; }
.skip-link:focus { top: 10px; }
.marketing .wrap { max-width: 1160px; }
.marketing .site-header .brand-text small { max-width: 280px; line-height: 1.6; }
.marketing main { padding-top: 0; }
.overview { display: grid; grid-template-columns: 1.35fr 1fr; gap: 56px; padding: 76px 0 64px; align-items: center; }
.eyebrow { color: var(--accent); font-size: .8rem; font-weight: 700; letter-spacing: .05em; margin: 0 0 12px; }
.overview h1 { font-size: clamp(2rem, 3.7vw, 3.2rem); line-height: 1.25; letter-spacing: -.035em; margin: 0 0 22px; }
.overview h1 span { color: var(--accent); }
.lead { color: var(--muted); font-size: 1.15rem; max-width: 560px; }
.english-intro { color: var(--muted); font-size: .92rem; text-align: start; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 48px; padding: 10px 20px; border-radius: 8px; text-decoration: none; font-weight: 600; }
.button.primary { background: var(--accent); color: white; }
.button.primary:hover { background: var(--accent-dark); }
.button.secondary { border: 1px solid var(--line); background: white; }
.journey { background: #173e35; color: white; padding: 30px; border-radius: 20px; box-shadow: 0 18px 50px #173e3514; }
.journey .eyebrow { color: #a8d9c5; }
.journey ol { list-style: none; padding: 0; margin: 24px 0; }
.journey li { display: flex; align-items: start; gap: 18px; padding: 20px 0; border-bottom: 1px solid #ffffff26; }
.journey li:last-child { border-bottom: 0; }
.step { font-size: .8rem; color: #b9e4d3; border: 1px solid #ffffff40; border-radius: 50%; min-width: 36px; height: 36px; display: grid; place-items: center; }
.journey strong { font-size: 1.12rem; }
.journey p:not(.eyebrow) { margin: 4px 0 0; color: #c7dfd5; font-size: .95rem; }
.journey .channel-note { border-top: 1px solid #ffffff26; padding-top: 16px; }
.feature-section, .portal-section, .english-overview { padding: 48px 0; border-top: 1px solid var(--line); }
.marketing h2 { font-size: clamp(1.5rem, 2.5vw, 2rem); line-height: 1.4; margin: 0 0 20px; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 32px; }
.feature-grid article { border-top: 3px solid #b6d5c9; padding-top: 22px; }
.feature-number { font-size: .72rem; letter-spacing: .04em; color: var(--accent); }
.feature-grid h3 { font-size: 1.08rem; margin: 12px 0 8px; }
.feature-grid p, .section-heading > p { color: var(--muted); margin: 0; }
.section-heading { display: flex; justify-content: space-between; gap: 20px; align-items: center; }
.marketing .cities { grid-template-columns: repeat(4, 1fr); margin-top: 12px; }
.demo-link { font-size: .92rem; color: var(--muted); margin-top: 22px; }
.english-overview { max-width: 850px; }
.english-overview > p:not(.eyebrow) { color: var(--muted); }
.contact-panel { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 32px; background: var(--accent-soft); border-radius: 16px; margin-top: 24px; }
.contact-panel h2 { margin-bottom: 8px; }
.contact-panel p { margin-bottom: 0; }
.contact-panel .button { flex-shrink: 0; }
@media (max-width: 900px) {
  .overview { gap: 28px; padding-top: 44px; }
  .feature-grid, .marketing .cities { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .overview { grid-template-columns: 1fr; padding: 36px 0; }
  .journey { padding: 24px; }
  .marketing .site-nav a { padding: 6px 8px; font-size: .85rem; }
  .feature-grid { gap: 24px 18px; }
  .section-heading, .contact-panel { align-items: start; flex-direction: column; }
  .contact-panel { padding: 24px; }
  .feature-section, .portal-section, .english-overview { padding: 32px 0; }
}
@media (max-width: 380px) { .feature-grid, .marketing .cities { grid-template-columns: 1fr; } }

/* Identical header geometry on all public marketing and information pages. */
.site-header .wrap { max-width: 1160px; }
.site-header .brand-text small { max-width: 280px; line-height: 1.6; }
@media (max-width: 640px) {
  .site-nav a { padding: 6px 8px; font-size: .85rem; }
}