/* ====================================================================
   data-stat.css — stránka „O stanici" (Nordic Clean redesign)
   --------------------------------------------------------------------
   Implementace designu z handoff_o_stanici. 7 sekcí:
   Hero · 01 Lokalita · 02 Hardware · 03 Datový tok · 04 Provozovatel ·
   05 Stav · 06 Časová osa · 07 FAQ
   ==================================================================== */

/* Načtení Google fontů (Inter, Instrument Serif, JetBrains Mono) je v top.php */

/* ---- Page reset (jen v rámci .page-about pro neovlivnění zbytku webu) ---- */
.page-about, .page-about * { box-sizing: border-box; }
.page-about { background: var(--bg, #FBFBFD); }
.page-about, .page-about body { font-family: 'Inter', system-ui, sans-serif; color: var(--ink, #0F1933); line-height: 1.5; }
.page-about a { color: inherit; }

/* Lokální tokeny (mimo již definované v design-tokens.css) */
.page-about {
  --green-deep:    #4A9B1D;
  --green-50:      #F1F9EA;
  --green-100:     #E1F2D1;
  --blue-50:       #EEF1FA;
  --blue-100:      #DCE3F3;
  --blue-deep:     #001550;
  --line:          #ECEEF4;
  --line-strong:   #DDE1EB;
  --ink-soft:      #3D4869;
  --ink-muted:     #727A92;
  --ink-faint:     #A5ACBF;
  --cream:         #FBFAF6;
  --cream-deep:    #F4F1E5;
  --warn:          #E8994F;
  --shadow-card:       0 4px 24px rgba(15, 25, 51, 0.04);
  --shadow-card-hover: 0 12px 32px rgba(15, 25, 51, 0.07);
}

/* =============================================================
   LAYOUT
   ============================================================= */
.page-about .page { max-width: var(--max-content); margin: 0 auto; padding: 0 32px; }

/* Pojistka — tato stránka nemá globální header/footer wrapper;
   vlastní header je render přímo v PHP. Stávající site header je nahoře. */

/* ---------- Breadcrumb ---------- */
.page-about .breadcrumb {
  font-size: 12.5px; color: var(--ink-muted);
  padding: 4px 0 18px;
}
.page-about .breadcrumb a { color: var(--ink-soft); text-decoration: none; border-bottom: 1px solid transparent; }
.page-about .breadcrumb a:hover { border-bottom-color: var(--line-strong); color: var(--ink); }
.page-about .breadcrumb .sep { margin: 0 8px; color: var(--ink-faint); }

/* =============================================================
   HERO
   ============================================================= */
.page-about .hero {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 56px;
  padding: 24px 0 40px;
  /* Text vlevo začíná zarovnaný nahoru u portrétu (ne dole) — větší
     vyvážení sloupců, popis netlačí dolů. */
  align-items: start;
  position: relative;
}
/* Pruh v barvách kraje — globálně, viz includes/css/components/kraj-stripe.css.
   Předchozí lokální .page-about variant ponechán deaktivovaný pro zpětnou kompat. */
.page-about .hero::before { content: none; }
.page-about .hero-eyebrow {
  font-size: 11px; text-transform: uppercase; letter-spacing: .14em;
  color: var(--ink-muted); font-weight: 600;
  margin-bottom: 14px;
  display: inline-flex; align-items: center; gap: 10px;
}
.page-about .hero-eyebrow::before {
  content: ''; width: 22px; height: 1px; background: var(--ink-faint);
}
.page-about .hero h1 {
  font-family: 'Instrument Serif', Georgia, serif;
  font-weight: 400;
  font-size: 96px;
  line-height: .98;
  color: var(--ink);
  letter-spacing: -.01em;
  margin-bottom: 28px;
}
.page-about .hero h1 em { font-style: italic; color: var(--blue); }
.page-about .hero-lead {
  font-size: 18px; line-height: 1.55; color: var(--ink-soft);
  max-width: 560px; margin-bottom: 32px;
}
.page-about .hero-lead strong { color: var(--ink); font-weight: 600; }

.page-about .hero-meta-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  padding: 24px 0 0;
  border-top: 1px solid var(--line);
}
.page-about .hero-stat .num {
  font-family: 'Instrument Serif', serif;
  font-weight: 400;
  font-size: 56px; line-height: 1; color: var(--ink);
  font-feature-settings: "tnum";
  letter-spacing: -.02em;
  display: flex; align-items: baseline; gap: 4px;
}
.page-about .hero-stat .num em { font-style: italic; color: var(--blue); }
.page-about .hero-stat .num sup {
  font-size: 22px;
  font-family: 'Instrument Serif', serif;
  color: var(--green-deep);
  font-style: italic;
}
.page-about .hero-stat .lbl {
  margin-top: 8px;
  font-size: 11px; text-transform: uppercase; letter-spacing: .12em;
  color: var(--ink-muted); font-weight: 600;
}
.page-about .hero-stat .sub {
  font-size: 12px; color: var(--ink-faint); margin-top: 2px;
}

/* Hero portrait (right side) */
.page-about .hero-portrait {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: 24px;
  overflow: hidden;
  background: linear-gradient(160deg, #DDE5F1 0%, #F0F4FA 50%, #E8EDF6 100%);
  border: 1px solid var(--line);
  box-shadow: 0 24px 60px rgba(15,25,51,.08);
}
.page-about .hero-portrait .portrait-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: 50% 35%;
}
.page-about .hero-portrait .portrait-meta {
  position: absolute; left: 20px; bottom: 20px; right: 20px;
  display: flex; justify-content: space-between; align-items: end; gap: 12px;
  z-index: 3;
}
.page-about .pmeta-card {
  background: rgba(255,255,255,.86);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px 14px;
  font-size: 12px; color: var(--ink-soft);
}
.page-about .pmeta-card strong { display: block; color: var(--ink); font-weight: 600; font-size: 13px; }
.page-about .pmeta-card .mono {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px; color: var(--ink-muted);
  margin-top: 2px;
}
.page-about .pmeta-tag {
  background: rgba(0,32,114,.92);
  color: #fff;
  border-radius: 14px;
  padding: 8px 12px;
  font-size: 11px;
  text-transform: uppercase; letter-spacing: .1em;
  font-weight: 600;
}
.page-about .pmeta-tag::before {
  content: ''; display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--green); margin-right: 6px; vertical-align: 1px;
  animation: pulseGreen 2s infinite;
}
@keyframes pulseGreen { 0%,100% { opacity: 1; } 50% { opacity: .4; } }

/* Hero corner annotations */
.page-about .annot {
  position: absolute;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10px; color: rgba(255,255,255,.85);
  text-transform: uppercase; letter-spacing: .08em;
  display: flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  background: rgba(15,25,51,.55);
  backdrop-filter: blur(4px);
  border-radius: 99px;
  z-index: 3;
}
.page-about .annot::before { content: ''; width: 14px; height: 1px; background: rgba(255,255,255,.5); }
.page-about .annot.top-right { top: 18px; right: 18px; }
.page-about .annot.bottom-left { bottom: 78px; left: 18px; }

/* =============================================================
   SECTION HEAD
   ============================================================= */
.page-about .sec {
  padding: 72px 0 0;
  position: relative;
}
.page-about .sec-num {
  font-size: 11px; text-transform: uppercase; letter-spacing: .14em;
  color: var(--ink-muted); font-weight: 600;
  display: inline-flex; align-items: center; gap: 12px;
  margin-bottom: 12px;
}
.page-about .sec-num span { color: var(--green-deep); font-weight: 700; font-family: 'JetBrains Mono', ui-monospace, monospace; }
.page-about .sec-num::after {
  content: ''; width: 56px; height: 1px; background: var(--line-strong);
}
.page-about .sec h2 {
  font-family: 'Instrument Serif', Georgia, serif;
  font-weight: 400;
  font-size: 44px; line-height: 1.05;
  color: var(--ink);
  letter-spacing: -.005em;
}
.page-about .sec h2 em { font-style: italic; color: var(--blue); }
.page-about .sec-lead {
  margin-top: 14px;
  font-size: 15px; color: var(--ink-soft); line-height: 1.6;
  max-width: 640px;
}

/* =============================================================
   01 LOKALITA
   ============================================================= */
.page-about .locality-grid {
  display: grid; grid-template-columns: 1.5fr 1fr; gap: 32px;
  margin-top: 32px;
}
.page-about .map-card {
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  position: relative;
  background: #E5E7EE;
  box-shadow: var(--shadow-card);
  /* Vlastní stacking context — Leaflet panes (z-index až 700) zůstanou
     uvnitř karty a nepřebijí sticky site-header (z-index 50). */
  isolation: isolate;
  z-index: 0;
}
.page-about .map-card .leaflet-container {
  width: 100%; height: 100%;
  background: #E5E7EE;
}
.page-about .map-card__loading {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-muted); font-size: 13px; font-style: italic;
}

/* Custom Leaflet station marker */
.station-marker { position: relative; width: 22px; height: 22px; }
.station-marker__dot {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 14px; height: 14px;
  background: var(--alert);
  border: 2.5px solid #fff;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(15,25,51,.3);
  z-index: 2;
}
.station-marker__pulse {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 38px; height: 38px;
  border: 2px solid var(--alert);
  border-radius: 50%;
  opacity: .4;
  animation: pingRing 2.5s ease-out infinite;
}
@keyframes pingRing {
  0% { transform: translate(-50%, -50%) scale(.6); opacity: .8; }
  100% { transform: translate(-50%, -50%) scale(2); opacity: 0; }
}

.page-about .info-list {
  background: var(--surface, #fff);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 8px 24px;
  box-shadow: var(--shadow-card);
}
.page-about .info-row {
  display: grid; grid-template-columns: 1fr auto;
  gap: 12px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--line);
  align-items: start;
}
.page-about .info-row:last-child { border-bottom: none; }
.page-about .info-row dt {
  font-size: 10.5px; text-transform: uppercase; letter-spacing: .12em;
  color: var(--ink-muted); font-weight: 600;
  grid-column: 1 / -1;
  margin-bottom: 2px;
}
.page-about .info-row dd {
  font-size: 15px; color: var(--ink); font-weight: 500;
  grid-column: 1;
}
.page-about .info-row .mono {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 13px;
  background: var(--cream);
  border: 1px solid var(--line);
  padding: 4px 8px;
  border-radius: 6px;
  color: var(--ink-soft);
  font-weight: 400;
}
.page-about .info-row .copy-btn {
  grid-column: 2; grid-row: 2;
  background: none; border: 1px solid var(--line);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 11px; color: var(--ink-muted);
  cursor: pointer;
  align-self: end;
  transition: all .15s;
  font-family: 'Inter', sans-serif;
}
.page-about .info-row .copy-btn:hover { background: var(--blue-50); color: var(--blue); border-color: var(--blue-100); }
.page-about .info-row .copy-btn.copied { background: var(--green-50); color: var(--green-deep); border-color: var(--green-100); }
.page-about .info-row .sub { font-size: 12px; color: var(--ink-muted); margin-top: 4px; font-weight: 400; }

/* =============================================================
   02 HARDWARE — diagram + cards
   ============================================================= */
.page-about .hw-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 40px;
  margin-top: 36px;
  align-items: start;
}
.page-about .hw-diagram {
  /* Site header je sticky top:0 (~80px). Diagram musí být pod ní,
     jinak se schovává za navigací při rolování. */
  position: sticky; top: 100px;
  /* Pojistka — pokud je diagram vyšší než dostupný prostor, nech ho
     scrollovat uvnitř, nikdy nepřesahuje výšku okna. */
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  background: linear-gradient(170deg, #1A2340 0%, #0F1933 100%);
  border-radius: 24px;
  padding: 28px 24px;
  color: rgba(255,255,255,.92);
  box-shadow: 0 24px 60px rgba(15,25,51,.18);
}
/* Skryjeme scrollbar uvnitř diagramu — vizuální čistota */
.page-about .hw-diagram::-webkit-scrollbar { width: 0; }
.page-about .hw-diagram::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 50% 40% at 50% 20%, rgba(102,188,41,.16), transparent 70%),
    radial-gradient(ellipse 70% 30% at 50% 90%, rgba(102,188,41,.08), transparent 70%);
  pointer-events: none;
}
.page-about .hw-diagram-head {
  position: relative; z-index: 2;
  font-family: 'Instrument Serif', serif;
  font-size: 24px;
  margin-bottom: 8px;
}
.page-about .hw-diagram-head em { font-style: italic; color: #B5DC8A; }
.page-about .hw-diagram .sub {
  position: relative; z-index: 2;
  font-size: 12px; color: rgba(255,255,255,.5);
  margin-bottom: 24px;
}
.page-about .hw-diagram svg { position: relative; z-index: 2; width: 100%; }

/* HW legend */
.page-about .hw-legend {
  position: relative; z-index: 2;
  margin-top: 18px;
  display: flex; flex-wrap: wrap; gap: 14px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px; color: rgba(255,255,255,.65);
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,.1);
}
.page-about .hw-legend > div { display: inline-flex; align-items: center; gap: 6px; }
.page-about .hw-legend .dot {
  width: 8px; height: 8px; border-radius: 50%;
  border: 1.5px solid;
}
.page-about .hw-legend .dot.iss { border-color: #B5DC8A; background: rgba(181,220,138,.2); }
.page-about .hw-legend .dot.air { border-color: #9DBCE8; background: rgba(157,188,232,.2); }
.page-about .hw-legend .dot.soil { border-color: #FFD96B; background: rgba(255,217,107,.2); }

/* HW cards */
.page-about .hw-cards { display: flex; flex-direction: column; gap: 20px; }
.page-about .hw-card {
  background: var(--surface, #fff);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px 28px 24px;
  box-shadow: var(--shadow-card);
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 24px;
  transition: all .2s;
}
.page-about .hw-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-1px); }
.page-about .hw-card.iss  { border-left: 3px solid var(--blue); }
.page-about .hw-card.soil { border-left: 3px solid var(--green-deep); }
.page-about .hw-card.air  { border-left: 3px solid var(--info); }

.page-about .hw-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: grid; place-items: center;
}
.page-about .hw-card.iss  .hw-icon { background: var(--blue-50); color: var(--blue); }
.page-about .hw-card.soil .hw-icon { background: var(--green-50); color: var(--green-deep); }
.page-about .hw-card.air  .hw-icon { background: #E8F0F9; color: var(--info); }

.page-about .hw-body .hw-eyebrow {
  font-size: 10.5px; text-transform: uppercase; letter-spacing: .12em;
  color: var(--ink-muted); font-weight: 600;
  margin-bottom: 6px;
}
.page-about .hw-body h3 {
  font-family: 'Instrument Serif', serif; font-weight: 400;
  font-size: 30px; color: var(--ink); line-height: 1.1;
  margin-bottom: 4px;
}
.page-about .hw-body h3 em { font-style: italic; color: var(--blue); }
.page-about .hw-card.soil .hw-body h3 em { color: var(--green-deep); }
.page-about .hw-card.air  .hw-body h3 em { color: var(--info); }
.page-about .hw-body .placement {
  font-size: 13.5px; color: var(--ink-soft); line-height: 1.55;
  margin: 8px 0 18px;
}
.page-about .hw-body .placement strong { color: var(--ink); font-weight: 600; }

/* sensor table */
.page-about .sensor-table { width: 100%; border-top: 1px solid var(--line); }
.page-about .sensor-table .row {
  display: grid; grid-template-columns: 28px 1fr auto auto;
  gap: 14px;
  padding: 11px 0;
  align-items: center;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.page-about .sensor-table .row:last-child { border-bottom: none; }
.page-about .sensor-table .ico {
  width: 28px; height: 28px; border-radius: 8px;
  display: grid; place-items: center;
  background: var(--bg); color: var(--ink-soft);
}
.page-about .sensor-table .name { color: var(--ink); font-weight: 500; }
.page-about .sensor-table .name .desc { display: block; font-size: 11.5px; color: var(--ink-muted); font-weight: 400; margin-top: 1px; }
.page-about .sensor-table .range, .page-about .sensor-table .acc {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11.5px; color: var(--ink-muted);
  text-align: right;
  white-space: nowrap;
}
.page-about .sensor-table .row.head .name.head,
.page-about .sensor-table .row.head .range.head,
.page-about .sensor-table .row.head .acc.head {
  font-family: 'Inter', sans-serif;
  font-size: 10px; text-transform: uppercase; letter-spacing: .1em;
  color: var(--ink-faint); font-weight: 600;
}
.page-about .sensor-table .row.head { padding-bottom: 8px; padding-top: 0; border-bottom: 1px solid var(--line); }

.page-about .hw-foot {
  margin-top: 16px;
  background: var(--cream);
  border: 1px solid #ECE6D2;
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 12.5px; color: var(--ink-soft);
  display: flex; gap: 10px; align-items: start;
}
.page-about .hw-foot::before { content: 'i'; flex-shrink: 0; width: 18px; height: 18px; border-radius: 50%; background: #D4C796; color: #fff; font-family: 'Instrument Serif', serif; font-style: italic; display: grid; place-items: center; font-size: 12px; margin-top: 1px; }

/* "Co se neměří" panel */
.page-about .not-measured {
  margin-top: 28px;
  background: var(--cream);
  border: 1px dashed #D4C796;
  border-radius: 16px;
  padding: 24px 28px;
}
.page-about .not-measured h4 {
  font-family: 'Instrument Serif', serif; font-weight: 400;
  font-size: 22px; margin-bottom: 6px; color: var(--ink);
}
.page-about .not-measured h4 em { font-style: italic; color: #8A7747; }
.page-about .not-measured p { font-size: 13px; color: var(--ink-soft); margin-bottom: 14px; }
.page-about .not-measured ul {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 8px 24px;
}
.page-about .not-measured li {
  font-size: 13px; color: var(--ink-soft);
  padding-left: 18px; position: relative;
}
.page-about .not-measured li::before {
  content: '×'; position: absolute; left: 0; color: #B89C5F; font-weight: 600;
}

/* =============================================================
   03 DATOVÝ TOK
   ============================================================= */
.page-about .flow2-wrap { margin-top: 36px; }
.page-about .flow2 {
  background: var(--surface, #fff);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 32px;
  box-shadow: var(--shadow-card);
  display: grid;
  grid-template-columns: 1fr 220px 1.1fr;
  gap: 0;
  align-items: stretch;
  position: relative;
}
.page-about .flow2-col { display: flex; flex-direction: column; gap: 14px; }
.page-about .flow2-col.sources { padding-right: 8px; }
.page-about .flow2-col.target  { padding-left: 8px; }
.page-about .flow2-col-head {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 4px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}
.page-about .flow2-col-head em {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  text-transform: none;
  letter-spacing: 0;
  color: var(--green-deep);
  font-size: 14px;
}

.page-about .flow2-node {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 12px;
  align-items: start;
  position: relative;
}
.page-about .flow2-node.iss  { border-left: 3px solid #2D6A4F; }
.page-about .flow2-node.soil { border-left: 3px solid #2D6A4F; }
.page-about .flow2-node.air  { border-left: 3px solid #3B6DB8; background: linear-gradient(180deg, #F4F8FC, #fff); }
.page-about .flow2-ico {
  width: 36px; height: 36px;
  border-radius: 10px;
  display: grid; place-items: center;
  background: var(--green-50); color: var(--green-deep);
}
.page-about .flow2-node.air .flow2-ico { background: var(--blue-50); color: var(--blue); }
.page-about .flow2-ico.server { background: var(--cream); color: #8A7747; width: 44px; height: 44px; }
.page-about .flow2-body h4 {
  font-family: 'Instrument Serif', serif;
  font-weight: 400; font-size: 19px; line-height: 1.15;
  color: var(--ink); margin-bottom: 2px;
}
.page-about .flow2-body .loc {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10.5px; color: var(--ink-muted);
  display: block; margin-bottom: 6px;
}
.page-about .flow2-body p { font-size: 12.5px; color: var(--ink-soft); line-height: 1.5; margin: 0; }
.page-about .flow2-meta {
  margin-top: 8px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10.5px; color: var(--green-deep);
  background: var(--green-50);
  padding: 2px 7px;
  border-radius: 4px;
  display: inline-block;
}
.page-about .flow2-node.air .flow2-meta { color: var(--blue); background: var(--blue-50); }

.page-about .flow2-svg { width: 100%; height: 100%; align-self: stretch; }

/* server card */
.page-about .flow2-server {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 20px;
  height: 100%;
  display: flex; flex-direction: column;
  border-left: 3px solid #8A7747;
}
.page-about .flow2-server-head {
  display: flex; gap: 14px; align-items: center;
  margin-bottom: 10px;
}
.page-about .flow2-server-head h4 {
  font-family: 'Instrument Serif', serif;
  font-weight: 400; font-size: 22px; line-height: 1.1;
  color: var(--ink);
}
.page-about .flow2-server-head .loc {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10.5px; color: var(--ink-muted);
}
.page-about .flow2-server > p {
  font-size: 13px; color: var(--ink-soft); line-height: 1.55;
  margin-bottom: 14px;
}
.page-about .flow2-server-stack {
  display: flex; flex-direction: column; gap: 8px;
  margin-top: auto;
}
.page-about .flow2-server-stack .step {
  display: grid; grid-template-columns: 22px 1fr auto;
  gap: 10px; align-items: center;
  padding: 8px 10px;
  background: var(--cream);
  border-radius: 8px;
  font-size: 12.5px;
  color: var(--ink);
}
.page-about .flow2-server-stack .step .num {
  width: 22px; height: 22px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: #fff; border: 1px solid var(--line);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px; color: #8A7747; font-weight: 700;
}
.page-about .flow2-server-stack .step .t {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 10.5px; color: var(--ink-muted);
}
.page-about .flow2-server-stack .step.out {
  background: #2D6A4F; color: #fff;
}
.page-about .flow2-server-stack .step.out .num {
  background: rgba(255,255,255,.15); border-color: transparent; color: #B5DC8A;
}
.page-about .flow2-server-stack .step.out .t { color: rgba(255,255,255,.7); }

.page-about .flow2-legend {
  margin-top: 20px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
  font-size: 12.5px; color: var(--ink-soft); line-height: 1.5;
}
.page-about .flow2-legend > div {
  background: var(--surface, #fff);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  display: flex; gap: 10px; align-items: flex-start;
}
.page-about .flow2-legend .dot {
  flex: 0 0 10px;
  width: 10px; height: 10px;
  border-radius: 50%;
  margin-top: 4px;
}
.page-about .flow2-legend .dot.direct { background: #2D6A4F; }
.page-about .flow2-legend .dot.cloud  { background: #3B6DB8; box-shadow: 0 0 0 2px rgba(59,109,184,.2); }
.page-about .flow2-legend strong { color: var(--ink); font-weight: 600; }

/* =============================================================
   04 PROVOZOVATEL
   ============================================================= */
.page-about .op-grid {
  margin-top: 36px;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px;
}
.page-about .op-card {
  background: var(--surface, #fff);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 32px 36px;
  box-shadow: var(--shadow-card);
  position: relative;
}
.page-about .op-card.primary {
  background: linear-gradient(135deg, var(--cream) 0%, #F8F4E5 100%);
  border-color: #ECE6D2;
}
.page-about .op-card h3 {
  font-family: 'Instrument Serif', serif;
  font-weight: 400; font-size: 30px; color: var(--ink);
  line-height: 1.15; margin-bottom: 4px;
}
.page-about .op-card h3 em { font-style: italic; color: var(--blue); }
.page-about .op-card .role {
  font-family: 'Instrument Serif', serif; font-style: italic;
  color: var(--ink-soft); font-size: 16px; margin-bottom: 16px;
}
.page-about .op-card p { font-size: 14px; color: var(--ink-soft); line-height: 1.65; }
.page-about .op-card p a { color: var(--blue); text-decoration: none; border-bottom: 1px solid var(--blue-100); }
.page-about .op-card p a:hover { border-bottom-color: var(--blue); }
.page-about .op-card .contacts {
  margin-top: 20px; padding-top: 20px;
  border-top: 1px solid #E8DFC4;
  display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
}
.page-about .op-card .contact dt {
  font-size: 10.5px; text-transform: uppercase; letter-spacing: .12em;
  color: var(--ink-muted); font-weight: 600; margin-bottom: 4px;
}
.page-about .op-card .contact dd { margin: 0; }
.page-about .op-card .contact dd a {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 13px; color: var(--ink); text-decoration: none;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.7);
  border-radius: 8px;
  padding: 6px 10px;
  display: inline-block;
}
.page-about .op-card .contact dd a:hover { border-color: var(--blue); color: var(--blue); }

.page-about .method-card { padding: 28px 32px; }
.page-about .method-card h4 {
  font-family: 'Instrument Serif', serif; font-weight: 400;
  font-size: 22px; color: var(--ink); margin-bottom: 12px;
}
.page-about .method-card h4 em { font-style: italic; color: var(--green-deep); }
.page-about .method-card ul { list-style: none; padding: 0; margin: 0; }
.page-about .method-card li {
  padding: 10px 0;
  font-size: 13.5px; color: var(--ink-soft);
  border-bottom: 1px dashed var(--line);
  display: grid; grid-template-columns: 36px 1fr; gap: 10px;
  align-items: start;
}
.page-about .method-card li:last-child { border-bottom: none; }
.page-about .method-card li .badge {
  background: var(--green-50);
  color: var(--green-deep);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 9.5px;
  padding: 3px 0;
  text-align: center;
  border-radius: 4px;
  font-weight: 600;
  margin-top: 1px;
}
.page-about .method-card li strong { color: var(--ink); font-weight: 600; }

/* =============================================================
   05 STAV STANICE
   ============================================================= */
.page-about .status-grid {
  margin-top: 36px;
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.page-about .status-cell {
  background: var(--surface, #fff);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  box-shadow: var(--shadow-card);
}
.page-about .status-cell.alert  { background: #FBF1E8; border-color: #F0C58A; }
.page-about .status-cell.ok     { background: var(--green-50); border-color: #CDE7B4; }
.page-about .status-cell.info   { background: var(--cream); border-color: #ECE6D2; }
.page-about .status-cell .head {
  display: flex; align-items: center; gap: 8px;
  font-size: 10.5px; text-transform: uppercase; letter-spacing: .12em;
  color: var(--ink-muted); font-weight: 600;
  margin-bottom: 12px;
}
.page-about .status-cell .head .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--ink-faint);
}
.page-about .status-cell.alert .head .dot {
  background: var(--alert); animation: pulseRed 2s ease-out infinite;
}
.page-about .status-cell.ok    .head .dot { background: var(--green); }
.page-about .status-cell.info  .head .dot { background: #B89C5F; }
@keyframes pulseRed {
  0%   { box-shadow: 0 0 0 0 rgba(192,48,48,.4); }
  70%  { box-shadow: 0 0 0 8px rgba(192,48,48,0); }
  100% { box-shadow: 0 0 0 0 rgba(192,48,48,0); }
}
.page-about .status-cell .val {
  font-family: 'Instrument Serif', serif; font-weight: 400;
  font-size: 30px; line-height: 1.05; color: var(--ink);
}
.page-about .status-cell.alert .val { color: var(--alert); font-style: italic; }
.page-about .status-cell.ok    .val { color: var(--green-deep); }
.page-about .status-cell .sub {
  margin-top: 8px;
  font-size: 12px; color: var(--ink-soft); line-height: 1.45;
}
.page-about .status-cell .mono {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px; color: var(--ink-muted); margin-top: 4px;
}

/* Uptime */
.page-about .uptime-card {
  margin-top: 24px;
  background: var(--surface, #fff);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px 32px;
  box-shadow: var(--shadow-card);
}
.page-about .uptime-head {
  display: flex; justify-content: space-between; align-items: end;
  margin-bottom: 18px;
}
.page-about .uptime-head h4 {
  font-family: 'Instrument Serif', serif; font-weight: 400;
  font-size: 22px; color: var(--ink);
}
.page-about .uptime-head h4 em { font-style: italic; color: var(--green-deep); }
.page-about .uptime-head .legend {
  display: flex; gap: 14px;
  font-size: 11px; color: var(--ink-muted);
}
.page-about .uptime-head .legend span { display: inline-flex; align-items: center; gap: 5px; }
.page-about .uptime-head .legend i {
  width: 10px; height: 10px; border-radius: 2px; display: inline-block;
}
.page-about .uptime-head .legend .ok-l    { background: var(--green); }
.page-about .uptime-head .legend .warn-l  { background: var(--warn); }
.page-about .uptime-head .legend .alert-l { background: var(--alert); }

.page-about .uptime-bars {
  display: grid; grid-template-columns: repeat(30, 1fr);
  gap: 3px;
  margin-bottom: 12px;
}
.page-about .uptime-bars .bar {
  aspect-ratio: 1 / 4;
  border-radius: 2px;
  background: var(--green);
  transition: transform .15s;
}
.page-about .uptime-bars .bar:hover { transform: scaleY(1.05); }
.page-about .uptime-bars .bar.warn  { background: var(--warn); }
.page-about .uptime-bars .bar.alert { background: var(--alert); }
.page-about .uptime-axis {
  display: flex; justify-content: space-between;
  font-size: 11px; color: var(--ink-muted);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
}
.page-about .uptime-summary {
  margin-top: 18px; padding-top: 18px;
  border-top: 1px solid var(--line);
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px;
}
.page-about .uptime-summary .stat .num {
  font-family: 'Instrument Serif', serif;
  font-size: 30px; color: var(--ink);
  font-feature-settings: "tnum";
}
.page-about .uptime-summary .stat .num em { font-style: italic; color: var(--green-deep); }
.page-about .uptime-summary .stat .lbl {
  font-size: 11px; text-transform: uppercase; letter-spacing: .1em;
  color: var(--ink-muted); margin-top: 4px;
}

/* =============================================================
   06 TIMELINE
   ============================================================= */
.page-about .timeline {
  margin-top: 40px;
  position: relative;
  padding-left: 32px;
}
.page-about .timeline::before {
  content: '';
  position: absolute; left: 11px; top: 8px; bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--green) 0%, var(--blue) 100%);
  border-radius: 1px;
}
.page-about .tl-item {
  position: relative;
  padding-bottom: 36px;
  display: grid; grid-template-columns: 130px 1fr; gap: 32px;
  align-items: start;
}
.page-about .tl-item:last-child { padding-bottom: 0; }
.page-about .tl-item::before {
  content: '';
  position: absolute; left: -28px; top: 6px;
  width: 14px; height: 14px;
  background: #fff;
  border: 2.5px solid var(--blue);
  border-radius: 50%;
  box-shadow: 0 0 0 3px var(--bg);
}
.page-about .tl-item.green::before { border-color: var(--green-deep); }
.page-about .tl-item.now::before   { background: var(--green); border-color: var(--green-deep); }
.page-about .tl-date {
  font-family: 'Instrument Serif', serif;
  font-size: 24px; color: var(--ink); line-height: 1;
  font-style: italic;
}
.page-about .tl-date .yr {
  display: block; font-size: 12px; color: var(--ink-muted);
  font-style: normal; font-family: 'JetBrains Mono', ui-monospace, monospace;
  margin-top: 4px; letter-spacing: .08em;
}
.page-about .tl-body h4 {
  font-size: 16px; font-weight: 600; color: var(--ink);
  margin-bottom: 4px;
}
.page-about .tl-body p { font-size: 13.5px; color: var(--ink-soft); line-height: 1.6; max-width: 560px; margin: 0; }
.page-about .tl-tag {
  display: inline-block;
  font-size: 10px; text-transform: uppercase; letter-spacing: .1em;
  color: var(--ink-muted); font-weight: 600;
  background: var(--bg); border: 1px solid var(--line);
  padding: 2px 8px; border-radius: 4px;
  margin-bottom: 8px;
}
.page-about .tl-item.green .tl-tag { background: var(--green-50); color: var(--green-deep); border-color: #CDE7B4; }
.page-about .tl-item.now   .tl-tag { background: var(--blue-50); color: var(--blue); border-color: var(--blue-100); }

/* =============================================================
   07 FAQ
   ============================================================= */
.page-about .faq {
  margin-top: 36px;
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 16px 24px;
  /* Při otevření jedné <details> nesmí stejný řádek protáhnout druhou
     položku — každá karta drží svou přirozenou výšku. */
  align-items: start;
}
.page-about .faq details {
  background: var(--surface, #fff);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 22px;
  transition: all .2s;
}
.page-about .faq details[open] { box-shadow: var(--shadow-card); border-color: var(--line-strong); }
.page-about .faq summary {
  cursor: pointer;
  list-style: none;
  font-size: 15px; font-weight: 600;
  color: var(--ink);
  display: flex; justify-content: space-between; align-items: center;
  gap: 16px;
}
.page-about .faq summary::-webkit-details-marker { display: none; }
.page-about .faq summary::after {
  content: '+';
  font-family: 'Instrument Serif', serif;
  font-size: 22px;
  color: var(--blue);
  line-height: .8;
  transition: transform .2s;
}
.page-about .faq details[open] summary::after { content: '−'; }
.page-about .faq details p {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 13.5px; color: var(--ink-soft); line-height: 1.65;
}
.page-about .faq details p a { color: var(--blue); }

/* =============================================================
   RESPONSIVE
   ============================================================= */
@media (max-width: 1100px) {
  .page-about .hw-grid { grid-template-columns: 1fr; }
  .page-about .hw-diagram { position: static; max-width: 380px; margin: 0 auto; aspect-ratio: 340/540; }
  .page-about .flow2 { grid-template-columns: 1fr; }
  .page-about .flow2-svg { display: none; }
  .page-about .flow2-legend { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .page-about .hero { grid-template-columns: 1fr; gap: 40px; }
  .page-about .hero h1 { font-size: 64px; }
  .page-about .hero-meta-row { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .page-about .hero-stat .num { font-size: 44px; }
  .page-about .locality-grid { grid-template-columns: 1fr; }
  .page-about .op-grid { grid-template-columns: 1fr; }
  .page-about .status-grid { grid-template-columns: repeat(2, 1fr); }
  .page-about .faq { grid-template-columns: 1fr; }
  .page-about .uptime-summary { grid-template-columns: 1fr; gap: 14px; }
  .page-about .op-card .contacts { grid-template-columns: 1fr; }
  .page-about .not-measured ul { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .page-about .page { padding: 0 16px; }
  .page-about .hero { padding: 18px 0 32px; }
  .page-about .hero h1 { font-size: 48px; }
  .page-about .sec { padding: 56px 0 0; }
  .page-about .sec h2 { font-size: 32px; }
  .page-about .status-grid { grid-template-columns: 1fr; }
  .page-about .hw-card { grid-template-columns: 1fr; gap: 16px; }
  .page-about .hw-icon { width: 48px; height: 48px; }
  .page-about .timeline { padding-left: 24px; }
  .page-about .tl-item { grid-template-columns: 1fr; gap: 8px; }
}

/* ============================================================
   Vstupní displej — odkaz na kioskovou stránku (sekce 05)
   ============================================================ */
.page-about .display-link-card {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 32px;
  align-items: stretch;
  margin-top: 32px;
  padding: 28px;
  background: #FFFFFF;
  border: 1px solid var(--line, rgba(26,26,26,.08));
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  position: relative;
  overflow: hidden;
}
.page-about .display-link-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(102,188,41,.04), transparent 50%);
  pointer-events: none;
  opacity: 0;
  transition: opacity .25s ease;
}
.page-about .display-link-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(15, 25, 51, 0.08);
  border-color: rgba(102,188,41,.3);
}
.page-about .display-link-card:hover::before { opacity: 1; }

.page-about .display-link-card .dlc-preview {
  border-radius: 8px;
  overflow: hidden;
  background: #FAF8F4;
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-about .display-link-card .dlc-preview svg {
  width: 100%;
  height: 100%;
  display: block;
}

.page-about .display-link-card .dlc-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
}
.page-about .display-link-card .dlc-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent, #66BC29);
  font-weight: 600;
}
.page-about .display-link-card h4 {
  font-size: 28px;
  font-weight: 500;
  line-height: 1.15;
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--ink, #1A1A1A);
}
.page-about .display-link-card h4 em {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-weight: 400;
}
.page-about .display-link-card .dlc-desc {
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink-soft, #4A4A4A);
  margin: 0;
}
.page-about .display-link-card .dlc-action {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink, #1A1A1A);
  font-weight: 600;
  margin-top: 4px;
}
.page-about .display-link-card .dlc-action span {
  display: inline-block;
  transition: transform .25s ease;
}
.page-about .display-link-card:hover .dlc-action span {
  transform: translateX(4px);
}

@media (max-width: 900px) {
  .page-about .display-link-card { grid-template-columns: 1fr; gap: 20px; padding: 20px; }
}