/* dppas.cz — odborný hub pro Digital Product Passport a ESPR
   Identita: chladný dokumentní papír + inkoustová modř
   Typografie: IBM Plex Sans (text) + IBM Plex Mono (termíny, čísla předpisů) */

:root {
  --paper: #F7F8FA;
  --card: #FFFFFF;
  --ink: #171C26;
  --ink-soft: #4A5361;
  --blue: #1F3A5F;
  --blue-bright: #2C5282;
  --blue-tint: #E9EEF5;
  --line: #DDE2E9;
  --radius: 4px;
  --max: 1040px;
  --measure: 68ch;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.7;
  font-size: 1.0313rem;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.01em; font-weight: 600; }

a { color: var(--blue-bright); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--blue); }

code, .mono, time.mono {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.88em;
}

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ---------- header ---------- */
header { background: var(--card); border-bottom: 1px solid var(--line); }
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: 62px; max-width: var(--max); margin: 0 auto; padding: 0 24px;
}
.logo {
  display: flex; align-items: baseline; gap: 8px;
  font-weight: 700; font-size: 1.2rem; color: var(--ink);
  text-decoration: none; letter-spacing: -0.01em;
}
.logo .logo-mark {
  font-family: "IBM Plex Mono", monospace; background: var(--blue); color: #fff;
  padding: 2px 7px; border-radius: var(--radius); font-size: 0.95rem; font-weight: 600;
}
.logo .logo-sub { font-size: 0.8rem; color: var(--ink-soft); font-weight: 400; }
.nav-links { display: flex; gap: 24px; list-style: none; align-items: center; }
.nav-links a { color: var(--ink-soft); text-decoration: none; font-size: 0.92rem; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--blue); }
@media (max-width: 720px) {
  .nav-links { gap: 14px; }
  .nav-links .hide-m { display: none; }
  .logo .logo-sub { display: none; }
}

/* lišta s odkazem na digipas */
.crossbar {
  background: var(--blue); color: #C7D6E8; font-size: 0.85rem;
  text-align: center; padding: 7px 16px;
}
.crossbar a { color: #fff; }

/* ---------- hlavička stránky ---------- */
.page-head { padding: 56px 0 40px; border-bottom: 1px solid var(--line); background: var(--card); }
.page-head .eyebrow {
  font-family: "IBM Plex Mono", monospace; font-size: 0.78rem;
  color: var(--ink-soft); letter-spacing: 0.04em; margin-bottom: 14px;
}
.page-head h1 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); max-width: 24ch; }
.page-head p.lead { margin-top: 16px; color: var(--ink-soft); max-width: var(--measure); font-size: 1.1rem; }
.page-head .meta { margin-top: 18px; font-family: "IBM Plex Mono", monospace; font-size: 0.8rem; color: var(--ink-soft); }

/* ---------- obsah ---------- */
main section { padding: 52px 0; }
section + section { border-top: 1px solid var(--line); }
h2.sec { font-size: 1.45rem; margin-bottom: 20px; }
.prose { max-width: var(--measure); }
.prose p + p, .prose ul + p, .prose p + ul { margin-top: 14px; }
.prose ul { padding-left: 22px; }
.prose li + li { margin-top: 6px; }
.prose .note {
  background: var(--blue-tint); border-left: 3px solid var(--blue);
  padding: 14px 18px; margin-top: 18px; font-size: 0.95rem;
}

/* rozcestník hubu */
.hub-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.hub-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 22px 20px; text-decoration: none; color: var(--ink); display: block;
  transition: border-color 0.15s;
}
.hub-card:hover { border-color: var(--blue); color: var(--ink); }
.hub-card h3 { font-size: 1.08rem; margin-bottom: 6px; color: var(--blue); }
.hub-card p { color: var(--ink-soft); font-size: 0.93rem; }
@media (max-width: 680px) { .hub-grid { grid-template-columns: 1fr; } }

/* ---------- tabulky (dokumentní jádro webu) ---------- */
.tbl-scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; background: var(--card); border: 1px solid var(--line); font-size: 0.95rem; }
caption { text-align: left; font-size: 0.85rem; color: var(--ink-soft); padding: 8px 2px; caption-side: bottom; }
th, td { text-align: left; padding: 12px 14px; vertical-align: top; }
thead th {
  background: var(--blue-tint); color: var(--blue); font-size: 0.82rem;
  letter-spacing: 0.03em; border-bottom: 1px solid var(--line);
}
tbody tr + tr td { border-top: 1px solid var(--line); }
td .mono { color: var(--blue); font-weight: 500; white-space: nowrap; }
td small { color: var(--ink-soft); }

.status-tag {
  display: inline-block; font-family: "IBM Plex Mono", monospace; font-size: 0.72rem;
  padding: 1px 8px; border-radius: 999px; border: 1px solid var(--line);
  color: var(--ink-soft); white-space: nowrap;
}
.status-tag.on { border-color: #2F7D4F; color: #2F7D4F; background: #EAF3ED; }

/* ---------- slovník ---------- */
dl.glossary { max-width: var(--measure); }
dl.glossary dt {
  font-weight: 600; font-size: 1.08rem; padding-top: 26px; color: var(--blue);
}
dl.glossary dt .en { font-weight: 400; color: var(--ink-soft); font-size: 0.9rem; }
dl.glossary dd { margin-top: 6px; color: var(--ink); padding-bottom: 22px; border-bottom: 1px solid var(--line); }

/* ---------- FAQ ---------- */
.faq { max-width: var(--measure); }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer; padding: 16px 0; font-weight: 600; font-size: 1.02rem;
  list-style: none; position: relative; padding-right: 32px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  font-family: "IBM Plex Mono", monospace; color: var(--blue); font-size: 1.1rem;
}
.faq details[open] summary::after { content: "\2013"; }
.faq .faq-a { padding: 0 0 18px; color: var(--ink-soft); max-width: 62ch; }
.faq .faq-a p + p { margin-top: 10px; }

/* ---------- články ---------- */
.article-list { list-style: none; max-width: var(--measure); }
.article-list li { border-top: 1px solid var(--line); padding: 20px 0; }
.article-list li:last-child { border-bottom: 1px solid var(--line); }
.article-list a { font-size: 1.12rem; font-weight: 600; text-decoration: none; }
.article-list a:hover { text-decoration: underline; }
.article-list p { color: var(--ink-soft); font-size: 0.95rem; margin-top: 4px; }
.article-list .meta { font-family: "IBM Plex Mono", monospace; font-size: 0.78rem; color: var(--ink-soft); margin-top: 6px; }

article.post { background: var(--card); border-bottom: 1px solid var(--line); }
article.post .post-inner { max-width: 760px; margin: 0 auto; padding: 56px 24px 64px; }
article.post h1 { font-size: clamp(1.6rem, 3.4vw, 2.2rem); max-width: 26ch; }
article.post .post-meta {
  font-family: "IBM Plex Mono", monospace; font-size: 0.8rem; color: var(--ink-soft);
  margin: 14px 0 34px; padding-bottom: 18px; border-bottom: 1px solid var(--line);
}
article.post h2 { font-size: 1.35rem; margin: 34px 0 12px; }
article.post p + p { margin-top: 14px; }
article.post ul, article.post ol { margin: 14px 0 0 22px; }
article.post li + li { margin-top: 6px; }
.sources {
  margin-top: 40px; padding: 18px 20px; background: var(--paper);
  border: 1px solid var(--line); border-radius: var(--radius); font-size: 0.9rem;
}
.sources h2 { font-size: 1rem !important; margin: 0 0 10px !important; }
.sources ol { margin: 0 0 0 20px; }
.sources a { word-break: break-word; }

/* breadcrumb */
.crumbs { font-size: 0.85rem; color: var(--ink-soft); margin-bottom: 22px; }
.crumbs a { color: var(--ink-soft); }
.crumbs a:hover { color: var(--blue); }

/* ---------- lead magnet ---------- */
.magnet {
  background: var(--blue); color: #fff; border-radius: var(--radius);
  padding: 40px 40px 44px;
}
.magnet h2 { font-size: 1.5rem; max-width: 28ch; }
.magnet p { margin-top: 12px; color: #C7D6E8; max-width: 60ch; }
.magnet .tag {
  display: inline-block; font-family: "IBM Plex Mono", monospace; font-size: 0.75rem;
  border: 1px solid rgba(255,255,255,0.35); color: #C7D6E8;
  padding: 2px 10px; border-radius: 999px; margin-bottom: 16px;
}
.magnet-form { margin-top: 24px; display: flex; gap: 10px; flex-wrap: wrap; }
.magnet-form input[type="email"] {
  flex: 1 1 260px; padding: 12px 14px; border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.4); background: rgba(255,255,255,0.08);
  color: #fff; font-family: inherit; font-size: 0.98rem;
}
.magnet-form input[type="email"]::placeholder { color: #9FB4CC; }
.magnet-form button {
  padding: 12px 22px; border-radius: var(--radius); border: 0;
  background: #fff; color: var(--blue); font-weight: 600; font-size: 0.98rem;
  font-family: inherit; cursor: pointer;
}
.magnet-form button:hover { background: var(--blue-tint); }
.magnet .fineprint { margin-top: 12px; font-size: 0.8rem; color: #9FB4CC; }
@media (max-width: 640px) { .magnet { padding: 30px 24px 34px; } }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--line); background: var(--card); padding: 40px 0 48px; }
.foot-grid { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.foot-grid p { color: var(--ink-soft); font-size: 0.9rem; max-width: 44ch; }
.foot-links { list-style: none; display: flex; flex-direction: column; gap: 7px; }
.foot-links a { color: var(--ink-soft); font-size: 0.9rem; }
.foot-note { margin-top: 26px; font-size: 0.82rem; color: var(--ink-soft); }