:root {
  --rd-ink: #0e1014;
  --rd-ink-2: #15191e;
  --rd-ink-3: #1c2127;
  --rd-mint: #4fd1b0;
  --rd-mint-deep: #13705b;
  --rd-fog: #eef2f1;
  --rd-fog-2: #e2e8e6;
  --rd-muted: #4a5452;
  --rd-muted-dark: #aab6b3;
  --rd-line: rgba(79, 209, 176, 0.32);
  --rd-line-dark: rgba(14, 16, 20, 0.14);
  --rd-error: #ff9d90;
  --rd-error-deep: #b3261e;
  --rd-sans: "Helvetica Neue", Helvetica, "Segoe UI", Arial, sans-serif;
  --rd-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
  --rd-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 5.5rem; }
body {
  margin: 0;
  font-family: var(--rd-sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--rd-ink);
  background: var(--rd-fog);
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-underline-offset: 0.22em; text-decoration-thickness: 1px; }
button, input, select, textarea { font: inherit; }
:focus-visible { outline: 2px solid var(--rd-mint); outline-offset: 3px; }
.rd-svetla :focus-visible, .rd-obsah :focus-visible { outline-color: var(--rd-mint-deep); }

h1, h2, h3, h4 { margin: 0 0 0.6em; line-height: 1.08; letter-spacing: -0.025em; font-weight: 700; }
h1 { font-size: clamp(2.5rem, 5.4vw, 4.4rem); }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.75rem); }
h3 { font-size: clamp(1.15rem, 1.6vw, 1.4rem); letter-spacing: -0.01em; }
p { margin: 0 0 1em; max-width: 68ch; }
ul, ol { padding-left: 1.2em; }

.rd-wrap { width: min(1240px, 100% - 2.5rem); margin-inline: auto; }
.rd-uzky { max-width: 70ch; }
.rd-mono { font-family: var(--rd-mono); font-size: 0.8rem; letter-spacing: 0.04em; }
.rd-tlmene { color: var(--rd-muted); }
.rd-tmava .rd-tlmene, .rd-hero .rd-tlmene, .rd-uvod .rd-tlmene { color: var(--rd-muted-dark); }

.rd-skip {
  position: absolute; left: 1rem; top: -4rem; z-index: 100;
  background: var(--rd-mint); color: var(--rd-ink);
  padding: 0.7rem 1rem; font-weight: 700; text-decoration: none;
  transition: top 0.2s;
}
.rd-skip:focus { top: 1rem; }

/* ---------- hlavička ---------- */
.rd-hlava {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center; gap: 1rem;
  padding: 0.9rem 1.25rem;
  color: #fff;
  transition: background-color 0.25s, padding 0.25s, box-shadow 0.25s;
}
.rd-hlava.is-scrolled {
  background: rgba(14, 16, 20, 0.95);
  padding-block: 0.55rem;
  box-shadow: 0 1px 0 var(--rd-line);
}
.rd-znacka {
  position: relative; z-index: 2;
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-weight: 700; font-size: 1.05rem; letter-spacing: 0.02em;
  text-decoration: none; color: #fff;
  transition: opacity 0.2s;
}
.rd-znacka img { width: 36px; height: 36px; }
.rd-znacka:hover { opacity: 0.8; }
.rd-hlava-odkaz {
  position: relative; z-index: 2;
  margin-left: auto;
  font-family: var(--rd-mono); font-size: 0.82rem;
  color: #fff; text-decoration: none;
  padding: 0.5rem 0.8rem; border: 1px solid var(--rd-line);
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}
.rd-hlava-odkaz:hover { background: var(--rd-mint); color: var(--rd-ink); border-color: var(--rd-mint); }
.rd-hlava-odkaz:active { transform: translateY(1px); }

.rd-menu-btn {
  position: relative; z-index: 2;
  width: 52px; height: 52px; flex: none;
  border-radius: 50%;
  border: 1px solid var(--rd-mint);
  background: transparent; color: #fff;
  cursor: pointer;
  display: grid; place-items: center;
  transition: background-color 0.2s, transform 0.15s;
}
.rd-menu-btn:hover { background: rgba(79, 209, 176, 0.16); }
.rd-menu-btn:active { transform: scale(0.94); }
.rd-menu-ciary { position: relative; width: 20px; height: 12px; }
.rd-menu-ciary::before, .rd-menu-ciary::after {
  content: ""; position: absolute; left: 0; width: 100%; height: 1.5px;
  background: currentColor;
  transition: transform 0.25s var(--rd-ease), top 0.25s var(--rd-ease);
}
.rd-menu-ciary::before { top: 2px; }
.rd-menu-ciary::after { top: 9px; }
.rd-menu-btn[aria-expanded="true"] .rd-menu-ciary::before { top: 5.5px; transform: rotate(45deg); }
.rd-menu-btn[aria-expanded="true"] .rd-menu-ciary::after { top: 5.5px; transform: rotate(-45deg); }

/* kruhové menu */
.rd-arc {
  position: fixed; inset: 0; z-index: 1;
  visibility: hidden; pointer-events: none;
  transition: visibility 0s 0.4s;
}
.rd-arc.is-open { visibility: visible; pointer-events: auto; transition-delay: 0s; }
.rd-arc-tien {
  position: absolute; inset: 0;
  background: rgba(8, 10, 12, 0.86);
  opacity: 0; transition: opacity 0.3s;
}
.rd-arc.is-open .rd-arc-tien { opacity: 1; }
.rd-arc-stred { position: absolute; left: 46px; top: 41px; width: 0; height: 0; }
.rd-arc-stred::before, .rd-arc-stred::after {
  content: ""; position: absolute; left: 0; top: 0;
  border: 1px dashed var(--rd-line); border-radius: 50%;
  transform: translate(-50%, -50%) scale(0.2); opacity: 0;
  transition: transform 0.4s var(--rd-ease), opacity 0.3s;
}
.rd-arc-stred::before { width: 520px; height: 520px; }
.rd-arc-stred::after { width: 880px; height: 880px; border-style: solid; border-color: rgba(79, 209, 176, 0.12); }
.rd-arc.is-open .rd-arc-stred::before, .rd-arc.is-open .rd-arc-stred::after { transform: translate(-50%, -50%) scale(1); opacity: 1; }
.rd-arc-zoznam { list-style: none; margin: 0; padding: 0; }
.rd-arc-bod {
  position: absolute; left: 0; top: -18px;
  display: inline-flex; align-items: baseline; gap: 0.55rem;
  white-space: nowrap;
  padding: 0.5rem 0.85rem;
  background: var(--rd-ink); color: #fff;
  border: 1px solid var(--rd-line);
  text-decoration: none; font-size: 0.95rem;
  opacity: 0;
  transform: translate(0, 0) scale(0.4);
  transition: transform 0.34s var(--rd-ease), opacity 0.22s, background-color 0.2s, color 0.2s, border-color 0.2s;
  transition-delay: calc(var(--i, 0) * 45ms), calc(var(--i, 0) * 45ms), 0s, 0s, 0s;
}
.rd-arc-bod small { font-family: var(--rd-mono); font-size: 0.72rem; color: var(--rd-mint); transition: color 0.2s; }
.rd-arc.is-open .rd-arc-bod { opacity: 1; transform: translate(var(--x, 0), var(--y, 0)) scale(1); }
.rd-arc-bod:hover, .rd-arc-bod:focus-visible { background: var(--rd-mint); color: var(--rd-ink); border-color: var(--rd-mint); }
.rd-arc-bod:hover small, .rd-arc-bod:focus-visible small { color: var(--rd-ink); }
.rd-arc-bod:active { background: #3fb89a; }
.rd-arc-bod[aria-current="page"] { border-color: var(--rd-mint); }

/* ---------- hero ---------- */
.rd-hero {
  position: relative; isolation: isolate; overflow: hidden;
  min-height: 100vh;
  padding: 6.5rem 0 4.5rem;
  background: var(--rd-ink); color: #e9eeed;
}
.rd-hero::before {
  content: ""; position: absolute; z-index: -2;
  left: 52%; top: 52%;
  width: 240vmax; height: 240vmax;
  transform: translate(-50%, -50%);
  background: repeating-radial-gradient(circle, transparent 0 71px, rgba(79, 209, 176, 0.11) 71px 72px);
  -webkit-mask-image: radial-gradient(circle, #000 0%, rgba(0, 0, 0, 0.55) 30%, transparent 62%);
          mask-image: radial-gradient(circle, #000 0%, rgba(0, 0, 0, 0.55) 30%, transparent 62%);
}
.rd-hero::after {
  content: ""; position: absolute; z-index: -1;
  left: 52%; top: 52%;
  width: 60vmin; height: 60vmin;
  border: 1px solid rgba(79, 209, 176, 0.35); border-radius: 50%;
  transform: translate(-50%, -50%) scale(0.4);
  opacity: 0;
  animation: rd-vlna 7s linear infinite;
}
@keyframes rd-vlna {
  0% { transform: translate(-50%, -50%) scale(0.4); opacity: 0; }
  10% { opacity: 0.8; }
  100% { transform: translate(-50%, -50%) scale(3.6); opacity: 0; }
}
.rd-hero-mriezka {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.4fr) minmax(0, 0.5fr);
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: center;
}
.rd-hero-text p { color: #c9d3d1; font-size: 1.08rem; max-width: 38ch; }
.rd-hero-stitok { font-family: var(--rd-mono); font-size: 0.8rem; color: var(--rd-mint); margin-bottom: 1.4rem; display: block; }
.rd-hero-akcie { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.8rem; }
.rd-hero-text .rd-hero-pozn { margin-top: 1.6rem; font-family: var(--rd-mono); font-size: 0.78rem; color: var(--rd-muted-dark); }
.rd-hero-foto { margin: 0; }
.rd-hero-foto img {
  width: 100%; aspect-ratio: 9 / 16; object-fit: cover;
  border: 1px solid var(--rd-line);
  background: var(--rd-ink-3);
}
.rd-hero-foto figcaption { margin-top: 0.6rem; font-family: var(--rd-mono); font-size: 0.72rem; color: var(--rd-muted-dark); line-height: 1.4; }

/* schéma */
.rd-schema { position: relative; width: 100%; max-width: 600px; margin-inline: auto; aspect-ratio: 1; }
.rd-schema svg { display: block; width: 100%; height: 100%; overflow: visible; }
.rd-obruc { fill: none; stroke: rgba(79, 209, 176, 0.18); stroke-width: 1; }
.rd-obruc--ciarkovana { stroke-dasharray: 2 7; stroke: rgba(79, 209, 176, 0.4); }
.rd-sektor-g { cursor: pointer; transition: opacity 0.28s; }
.rd-sektor-g:focus { outline: none; }
.rd-sector {
  fill: rgba(79, 209, 176, 0.035);
  stroke: rgba(79, 209, 176, 0.3); stroke-width: 1;
  transition: fill 0.22s, stroke 0.22s, stroke-width 0.22s;
}
.rd-ray {
  stroke: var(--rd-mint); stroke-width: 1.3;
  stroke-dasharray: 200; stroke-dashoffset: 200;
  opacity: 0.6;
  transition: opacity 0.2s, stroke-width 0.2s;
}
.rd-node { fill: var(--rd-ink); stroke: var(--rd-mint); stroke-width: 1.5; transition: fill 0.2s; }
.rd-schema.is-drawn .rd-ray { animation: rd-kresli 0.9s var(--rd-ease) forwards; animation-delay: calc(var(--i) * 110ms); }
@keyframes rd-kresli { to { stroke-dashoffset: 0; } }
.rd-sektor-g:hover .rd-sector,
.rd-sektor-g.is-active .rd-sector { fill: rgba(79, 209, 176, 0.17); stroke: var(--rd-mint); }
.rd-sektor-g:focus-visible .rd-sector { fill: rgba(79, 209, 176, 0.17); stroke: #fff; stroke-width: 2.5; }
.rd-sektor-g:hover .rd-ray, .rd-sektor-g:focus-visible .rd-ray, .rd-sektor-g.is-active .rd-ray { opacity: 1; stroke-width: 2.6; }
.rd-sektor-g:hover .rd-node, .rd-sektor-g.is-active .rd-node, .rd-sektor-g:focus-visible .rd-node { fill: var(--rd-mint); }
.rd-schema.is-dim .rd-sektor-g:not(.is-active) { opacity: 0.28; }
.rd-schema.is-dim .rd-popis:not(.is-active) { opacity: 0.28; }
.rd-popis { fill: #dfe7e5; font-family: var(--rd-mono); pointer-events: none; paint-order: stroke; stroke: var(--rd-ink); stroke-width: 5px; stroke-linejoin: round; transition: opacity 0.28s, fill 0.2s; }
.rd-popis .rd-popis-cislo { fill: var(--rd-mint); font-size: 13px; }
.rd-popis .rd-popis-slovo { font-size: 12.5px; }
.rd-core-kruh { fill: var(--rd-ink); stroke: var(--rd-mint); stroke-width: 1.2; transition: fill 0.25s, stroke-width 0.25s; }
.rd-core-text { fill: #fff; font-family: var(--rd-sans); font-weight: 700; font-size: 17px; letter-spacing: 0.06em; }
.rd-core-sub { fill: var(--rd-mint); font-family: var(--rd-mono); font-size: 10.5px; }
.rd-schema.is-hot .rd-core-kruh { fill: rgba(79, 209, 176, 0.2); stroke-width: 2.4; }

.rd-panel {
  position: absolute; left: 50%; top: 50%;
  width: min(80%, 370px);
  padding: 1.15rem 1.25rem 1.2rem;
  background: rgba(14, 16, 20, 0.97);
  border: 1px solid var(--rd-mint);
  color: #e9eeed;
  opacity: 0; visibility: hidden;
  transform: translate(-50%, -50%) scale(0.9);
  transition: opacity 0.25s, transform 0.28s var(--rd-ease), visibility 0s 0.28s;
}
.rd-panel.is-open { opacity: 1; visibility: visible; transform: translate(-50%, -50%) scale(1); transition-delay: 0s; }
.rd-panel-nadpis { margin: 0.2rem 0 0.4em; font-size: 1.2rem; font-weight: 700; line-height: 1.2; color: #fff; }
.rd-panel p { font-size: 0.94rem; color: #c9d3d1; margin-bottom: 0.9em; }
.rd-panel-cislo { font-family: var(--rd-mono); font-size: 0.75rem; color: var(--rd-mint); }
.rd-panel-zavriet {
  position: absolute; right: 0.4rem; top: 0.4rem;
  width: 34px; height: 34px;
  border: 1px solid transparent; background: transparent; color: #fff;
  font-size: 1.2rem; line-height: 1; cursor: pointer;
  transition: border-color 0.2s, background-color 0.2s;
}
.rd-panel-zavriet:hover { border-color: var(--rd-line); background: rgba(79, 209, 176, 0.12); }
.rd-panel-zavriet:active { background: rgba(79, 209, 176, 0.25); }
.rd-panel-odkaz { color: var(--rd-mint); font-size: 0.92rem; transition: color 0.2s; }
.rd-panel-odkaz:hover { color: #fff; }
.rd-schema-napoveda { text-align: center; font-family: var(--rd-mono); font-size: 0.75rem; color: var(--rd-muted-dark); margin: 0.4rem auto 0; }

/* ---------- tlačidlá ---------- */
.rd-btn {
  position: relative; overflow: hidden;
  display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem;
  padding: 0.95rem 1.4rem;
  font-family: var(--rd-mono); font-size: 0.86rem; letter-spacing: 0.02em;
  border: 1px solid var(--rd-mint);
  background: var(--rd-mint); color: var(--rd-ink);
  text-decoration: none; cursor: pointer;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s, transform 0.15s;
}
.rd-btn:hover { background: transparent; color: var(--rd-mint); }
.rd-btn:active { transform: translateY(1px); }
.rd-btn--obrys { background: transparent; color: inherit; border-color: currentColor; }
.rd-btn--obrys:hover { background: var(--rd-mint); color: var(--rd-ink); border-color: var(--rd-mint); }
.rd-btn[disabled] { opacity: 0.6; cursor: progress; }
.rd-svetla .rd-btn:hover, .rd-obsah .rd-btn:hover { color: var(--rd-mint-deep); border-color: var(--rd-mint-deep); }
.rd-svetla .rd-btn--obrys:hover, .rd-obsah .rd-btn--obrys:hover { background: var(--rd-ink); color: #fff; border-color: var(--rd-ink); }
.rd-btn--mala { padding: 0.55rem 0.9rem; font-size: 0.8rem; }

/* ---------- sekcie ---------- */
.rd-sekcia { position: relative; padding: clamp(4rem, 9vw, 7.5rem) 0; }
.rd-sekcia--nizka { padding: clamp(3rem, 6vw, 4.5rem) 0; }
.rd-svetla { background: var(--rd-fog); overflow: hidden; isolation: isolate; }
.rd-svetla::before {
  content: ""; position: absolute; z-index: -1;
  left: var(--gx, 78%); top: var(--gy, 12%);
  width: 75vmax; height: 75vmax; border-radius: 50%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(79, 209, 176, 0.24) 0%, rgba(79, 209, 176, 0.08) 38%, transparent 66%);
  pointer-events: none;
}
.rd-svetla--b { --gx: 8%; --gy: 70%; background: var(--rd-fog-2); }
.rd-tmava { background: var(--rd-ink-2); color: #e4eae8; }

.rd-hlavicka-sekcie { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 2rem; align-items: end; margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.rd-hlavicka-sekcie h2 { margin: 0; max-width: 18ch; }
.rd-hlavicka-sekcie p { margin: 0; }

/* smery */
.rd-smer {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(1.5rem, 4.5vw, 4.5rem);
  align-items: start;
  padding: clamp(2.5rem, 5vw, 4rem) 0;
  border-top: 1px solid var(--rd-line-dark);
}
.rd-smer:nth-of-type(even) .rd-smer-obraz { order: 2; }
.rd-smer-obraz { position: relative; margin: 0; overflow: hidden; border: 1px solid var(--rd-line-dark); }
.rd-smer-obraz img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; background: var(--rd-fog-2); transition: transform 0.4s var(--rd-ease), filter 0.4s, opacity 0.4s; }
.rd-smer:hover .rd-smer-obraz img { transform: scale(1.035); }
.rd-smer-obraz::after {
  content: ""; position: absolute; inset: 12px; pointer-events: none;
  --t: rgba(255, 255, 255, 0.75);
  background:
    linear-gradient(var(--t), var(--t)) top left / 26px 1px no-repeat,
    linear-gradient(var(--t), var(--t)) top left / 1px 26px no-repeat,
    linear-gradient(var(--t), var(--t)) top right / 26px 1px no-repeat,
    linear-gradient(var(--t), var(--t)) top right / 1px 26px no-repeat,
    linear-gradient(var(--t), var(--t)) bottom left / 26px 1px no-repeat,
    linear-gradient(var(--t), var(--t)) bottom left / 1px 26px no-repeat,
    linear-gradient(var(--t), var(--t)) bottom right / 26px 1px no-repeat,
    linear-gradient(var(--t), var(--t)) bottom right / 1px 26px no-repeat;
}
.rd-smer-dekor {
  aspect-ratio: 3 / 4; position: relative;
  background:
    repeating-linear-gradient(90deg, transparent 0 39px, rgba(19, 112, 91, 0.16) 39px 40px),
    repeating-linear-gradient(0deg, transparent 0 39px, rgba(19, 112, 91, 0.16) 39px 40px),
    var(--rd-ink);
  display: grid; place-items: center;
}
.rd-smer-dekor::before, .rd-smer-dekor::after { content: ""; position: absolute; border: 1px solid var(--rd-mint); }
.rd-smer-dekor::before { width: 56%; aspect-ratio: 1; border-radius: 50%; opacity: 0.55; }
.rd-smer-dekor::after { width: 32%; aspect-ratio: 1; transform: rotate(45deg); opacity: 0.8; transition: transform 0.4s var(--rd-ease); }
.rd-smer:hover .rd-smer-dekor::after { transform: rotate(135deg); }
.rd-smer-dekor span { position: relative; z-index: 1; font-family: var(--rd-mono); font-size: 0.78rem; color: var(--rd-mint); background: var(--rd-ink); padding: 0.3rem 0.5rem; }
.rd-smer-cislo {
  display: block;
  font-family: var(--rd-mono); font-size: clamp(3rem, 7vw, 5.5rem); line-height: 1;
  color: transparent; -webkit-text-stroke: 1px var(--rd-mint-deep);
  margin-bottom: 0.8rem;
}
.rd-smer-cislo span { color: var(--rd-mint-deep); -webkit-text-stroke: 0; }
.rd-smer-text h3 { font-size: clamp(1.5rem, 2.4vw, 2rem); }
.rd-fakty { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 0.55rem 1.4rem; margin: 1.6rem 0; padding: 1.1rem 0; border-block: 1px solid var(--rd-line-dark); max-width: 68ch; }
.rd-fakty dt { font-family: var(--rd-mono); font-size: 0.8rem; color: var(--rd-mint-deep); padding-top: 0.15rem; }
.rd-fakty dd { margin: 0; }
.rd-odkaz { color: var(--rd-ink); font-weight: 600; text-decoration-color: var(--rd-mint-deep); text-decoration-thickness: 2px; transition: color 0.2s, text-decoration-color 0.2s; }
.rd-odkaz:hover { color: var(--rd-mint-deep); text-decoration-color: var(--rd-ink); }

/* tabuľka */
.rd-tab-obal { overflow-x: auto; border: 1px solid var(--rd-line-dark); background: rgba(255, 255, 255, 0.55); }
.rd-tab { width: 100%; min-width: 720px; border-collapse: collapse; font-size: 0.97rem; }
.rd-tab caption { text-align: left; padding: 0.9rem 1rem; font-family: var(--rd-mono); font-size: 0.8rem; color: var(--rd-muted); border-bottom: 1px solid var(--rd-line-dark); }
.rd-tab th, .rd-tab td { padding: 1rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--rd-line-dark); }
.rd-tab thead th { font-family: var(--rd-mono); font-size: 0.8rem; font-weight: 400; color: var(--rd-muted); background: rgba(14, 16, 20, 0.04); }
.rd-tab tbody tr { transition: background-color 0.2s; }
.rd-tab tbody tr:hover { background: rgba(79, 209, 176, 0.14); }
.rd-tab tbody th { font-weight: 700; }
.rd-kod { display: inline-block; font-family: var(--rd-mono); font-size: 0.82rem; white-space: nowrap; color: var(--rd-mint-deep); border: 1px solid currentColor; padding: 0.1rem 0.4rem; margin-bottom: 0.35rem; }

/* formulár */
.rd-form-mriezka { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.rd-form { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem 1.25rem; }
.rd-pole { display: flex; flex-direction: column; gap: 0.35rem; min-width: 0; }
.rd-pole--cela { grid-column: 1 / -1; }
.rd-pole label { font-family: var(--rd-mono); font-size: 0.78rem; color: #b9c4c1; }
.rd-pole label .rd-povinne { color: var(--rd-mint); }
.rd-pole input, .rd-pole select, .rd-pole textarea {
  width: 100%;
  color: #fff; background: var(--rd-ink);
  border: 1px solid #3d4649; border-radius: 0;
  padding: 0.75rem 0.85rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.rd-pole select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--rd-mint) 50%), linear-gradient(135deg, var(--rd-mint) 50%, transparent 50%); background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 2.2rem; }
.rd-pole input[type="date"] { color-scheme: dark; }
.rd-pole textarea { min-height: 130px; resize: vertical; }
.rd-pole input:hover, .rd-pole select:hover, .rd-pole textarea:hover { border-color: #5d6a6d; }
.rd-pole input:focus, .rd-pole select:focus, .rd-pole textarea:focus { outline: none; border-color: var(--rd-mint); box-shadow: 0 0 0 3px rgba(79, 209, 176, 0.28); }
.rd-pole.is-chyba input, .rd-pole.is-chyba select, .rd-pole.is-chyba textarea { border-color: var(--rd-error); }
.rd-pole.is-ok input, .rd-pole.is-ok select { border-color: rgba(79, 209, 176, 0.6); }
.rd-chyba { min-height: 1.2em; margin: 0; font-size: 0.84rem; color: var(--rd-error); }
.rd-suhlas { flex-direction: row; flex-wrap: wrap; align-items: flex-start; gap: 0.7rem; }
.rd-suhlas input { width: 20px; height: 20px; margin: 0.15rem 0 0; accent-color: var(--rd-mint); flex: none; padding: 0; }
.rd-suhlas label { font-family: var(--rd-sans); font-size: 0.92rem; color: #d3dcda; flex: 1; }
.rd-suhlas .rd-chyba { flex-basis: 100%; }
.rd-suhlas a { color: var(--rd-mint); }
.rd-form-spodok { grid-column: 1 / -1; display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; }
.rd-stav { margin: 0; font-size: 0.92rem; }
.rd-stav.is-chyba { color: var(--rd-error); }
.rd-skryte { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.rd-bok { border: 1px solid var(--rd-line); padding: 1.5rem; background: var(--rd-ink); }
.rd-bok h3 { font-size: 1.15rem; }
.rd-bok ul { margin: 0 0 1.2rem; padding: 0; list-style: none; }
.rd-bok li { position: relative; padding: 0.45rem 0 0.45rem 1.3rem; border-bottom: 1px solid rgba(79, 209, 176, 0.14); font-size: 0.95rem; }
.rd-bok li::before { content: ""; position: absolute; left: 0; top: 0.95rem; width: 7px; height: 7px; border: 1px solid var(--rd-mint); transform: rotate(45deg); }
.rd-bok a { color: var(--rd-mint); }
.rd-svetla .rd-form label, .rd-obsah .rd-form label { color: var(--rd-muted); }
.rd-obsah .rd-suhlas label { color: var(--rd-ink); }
.rd-obsah .rd-suhlas a { color: var(--rd-mint-deep); }
.rd-obsah .rd-chyba { color: var(--rd-error-deep); }
.rd-obsah .rd-pole.is-chyba input, .rd-obsah .rd-pole.is-chyba select, .rd-obsah .rd-pole.is-chyba textarea { border-color: var(--rd-error-deep); }
.rd-obsah .rd-stav.is-chyba { color: var(--rd-error-deep); }
.rd-obsah .rd-pole input, .rd-obsah .rd-pole select, .rd-obsah .rd-pole textarea { background: #fff; color: var(--rd-ink); border-color: #b9c4c1; }
.rd-obsah .rd-pole input[type="date"] { color-scheme: light; }
.rd-obsah .rd-pole input:focus, .rd-obsah .rd-pole select:focus, .rd-obsah .rd-pole textarea:focus { border-color: var(--rd-mint-deep); box-shadow: 0 0 0 3px rgba(19, 112, 91, 0.22); }

/* hranice možností */
.rd-hranice-zoznam { list-style: none; margin: 0; padding: 0; counter-reset: rdh; }
.rd-hranice-zoznam li {
  counter-increment: rdh;
  display: grid; grid-template-columns: 4.5rem minmax(0, 1fr) minmax(0, 1.2fr);
  gap: 1.5rem; align-items: baseline;
  padding: 1.3rem 0; border-top: 1px solid rgba(79, 209, 176, 0.18);
  transition: background-color 0.2s, padding-left 0.25s var(--rd-ease);
}
.rd-hranice-zoznam li:last-child { border-bottom: 1px solid rgba(79, 209, 176, 0.18); }
.rd-hranice-zoznam li::before { content: counter(rdh, decimal-leading-zero); font-family: var(--rd-mono); color: var(--rd-mint); font-size: 1.4rem; }
.rd-hranice-zoznam li:hover { background: rgba(79, 209, 176, 0.06); padding-left: 0.6rem; }
.rd-hranice-zoznam strong { font-size: 1.1rem; }
.rd-hranice-zoznam p { margin: 0; color: #c1cbc9; }
.rd-podpis { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 1.4rem; margin-top: 3rem; padding: 1.6rem; border-left: 3px solid var(--rd-mint); background: rgba(79, 209, 176, 0.06); max-width: 820px; }
.rd-podpis-inicialy { width: 64px; height: 64px; border: 1px solid var(--rd-mint); display: grid; place-items: center; font-family: var(--rd-mono); color: var(--rd-mint); font-size: 1.1rem; }
.rd-podpis p { color: #d3dcda; }
.rd-podpis-meno { font-weight: 700; margin: 0; }
.rd-podpis-rola { font-family: var(--rd-mono); font-size: 0.8rem; color: var(--rd-muted-dark); margin: 0 0 0.8rem; }

/* slovník */
.rd-slovnik { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 7fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.rd-slovnik-obraz { position: sticky; top: 6rem; margin: 0; }
.rd-slovnik-obraz img { width: 100%; aspect-ratio: 1; object-fit: cover; border: 1px solid var(--rd-line-dark); background: var(--rd-fog); transition: filter 0.4s, opacity 0.4s; }
.rd-slovnik-obraz figcaption { font-family: var(--rd-mono); font-size: 0.75rem; color: var(--rd-muted); margin-top: 0.6rem; }
.rd-pojmy { margin: 0; }
.rd-pojem { display: grid; grid-template-columns: minmax(0, 12rem) minmax(0, 1fr); gap: 0.4rem 1.5rem; padding: 1.1rem 0; border-top: 1px solid var(--rd-line-dark); transition: background-color 0.2s; }
.rd-pojem:hover { background: rgba(255, 255, 255, 0.6); }
.rd-pojem dt { font-weight: 700; }
.rd-pojem dt span { display: block; font-family: var(--rd-mono); font-weight: 400; font-size: 0.75rem; color: var(--rd-mint-deep); }
.rd-pojem dd { margin: 0; color: var(--rd-muted); }

/* minischéma */
.rd-minischema {
  position: fixed; right: 1rem; bottom: 1rem; z-index: 30;
  width: 104px; padding: 0.5rem 0.5rem 0.45rem;
  background: rgba(14, 16, 20, 0.95); border: 1px solid var(--rd-line);
  color: #e9eeed;
  opacity: 0; transform: translateY(12px); pointer-events: none;
  transition: opacity 0.25s, transform 0.25s var(--rd-ease);
}
.rd-minischema.is-on { opacity: 1; transform: none; pointer-events: auto; }
.rd-minischema svg { display: block; width: 100%; height: auto; }
.rd-mini-bod circle { fill: var(--rd-ink); stroke: var(--rd-mint); stroke-width: 1.5; transition: fill 0.2s, r 0.2s; }
.rd-mini-bod line { stroke: rgba(79, 209, 176, 0.35); stroke-width: 1; transition: stroke 0.2s; }
.rd-mini-bod:hover circle, .rd-mini-bod:focus-visible circle { fill: rgba(79, 209, 176, 0.5); }
.rd-mini-bod.is-current circle { fill: var(--rd-mint); }
.rd-mini-bod.is-current line { stroke: var(--rd-mint); }
.rd-mini-stred { fill: none; stroke: var(--rd-mint); stroke-width: 1; }
.rd-mini-text { display: block; margin-top: 0.3rem; text-align: center; font-family: var(--rd-mono); font-size: 0.68rem; line-height: 1.25; color: var(--rd-muted-dark); }

/* cookie */
.rd-cookie {
  position: fixed; left: 1rem; bottom: 1rem; z-index: 35;
  display: none;
  width: min(380px, calc(100% - 2rem - 118px));
  max-height: 25vh; overflow-y: auto;
  padding: 1rem 1.1rem;
  background: var(--rd-ink); color: #e4eae8;
  border: 1px solid var(--rd-line);
  font-size: 0.88rem;
}
.rd-cookie.is-on { display: block; }
.rd-cookie p { margin: 0 0 0.8rem; }
.rd-cookie a { color: var(--rd-mint); }
.rd-cookie-akcie { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.rd-cookie-akcie .rd-btn { flex: 1 1 7rem; background: transparent; color: #fff; border-color: var(--rd-mint); }
.rd-cookie-akcie .rd-btn:hover { background: var(--rd-mint); color: var(--rd-ink); }

/* pätička */
.rd-paticka { background: #0a0c0f; color: #b9c4c1; padding: 3.5rem 0 2rem; font-size: 0.92rem; }
.rd-paticka-mriezka { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr)); gap: 2rem; padding-bottom: 2rem; border-bottom: 1px solid rgba(79, 209, 176, 0.16); }
.rd-paticka h2 { font-size: 0.95rem; letter-spacing: 0; color: #fff; margin-bottom: 0.9rem; }
.rd-paticka ul { list-style: none; margin: 0; padding: 0; }
.rd-paticka li { margin-bottom: 0.45rem; }
.rd-paticka a { color: #dfe7e5; text-decoration: none; transition: color 0.2s; }
.rd-paticka a:hover { color: var(--rd-mint); text-decoration: underline; }
.rd-rekvizity { font-style: normal; line-height: 1.7; }
.rd-rekvizity span { display: block; }
.rd-paticka-spodok { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; padding-top: 1.4rem; font-family: var(--rd-mono); font-size: 0.75rem; color: #8e9a97; }

/* ---------- podstránky ---------- */
.rd-uvod { position: relative; isolation: isolate; overflow: hidden; background: var(--rd-ink); color: #e9eeed; padding: 8.5rem 0 3.5rem; }
.rd-uvod::before {
  content: ""; position: absolute; z-index: -1;
  right: -30vmax; top: -30vmax; width: 90vmax; height: 90vmax;
  background: repeating-radial-gradient(circle, transparent 0 55px, rgba(79, 209, 176, 0.12) 55px 56px);
  -webkit-mask-image: radial-gradient(circle, #000 10%, transparent 60%);
          mask-image: radial-gradient(circle, #000 10%, transparent 60%);
}
.rd-uvod h1 { max-width: 20ch; }
.rd-uvod p { color: #c9d3d1; font-size: 1.1rem; }
.rd-drobky ol { display: flex; flex-wrap: wrap; gap: 0.4rem; list-style: none; margin: 0 0 1.6rem; padding: 0; font-family: var(--rd-mono); font-size: 0.78rem; color: var(--rd-muted-dark); }
.rd-drobky li + li::before { content: "/"; margin-right: 0.4rem; color: var(--rd-mint); }
.rd-drobky a { color: #dfe7e5; }
.rd-drobky a:hover { color: var(--rd-mint); }
.rd-obsah { position: relative; padding: clamp(3rem, 7vw, 5.5rem) 0; }
.rd-rozlozenie { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 3.2fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.rd-text h2 { font-size: clamp(1.4rem, 2.4vw, 1.9rem); margin-top: 2.2em; }
.rd-text h2:first-child { margin-top: 0; }
.rd-text h3 { margin-top: 1.6em; }
.rd-text ul, .rd-text ol { max-width: 66ch; margin: 0 0 1.2em; }
.rd-text li { margin-bottom: 0.4em; }
.rd-text ul { list-style: none; padding: 0; }
.rd-text ul li { position: relative; padding-left: 1.3rem; }
.rd-text ul li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 7px; height: 7px; background: var(--rd-mint-deep); }
.rd-text a { color: var(--rd-mint-deep); font-weight: 600; }
.rd-text a:hover { color: var(--rd-ink); }
.rd-aside { position: sticky; top: 6rem; border: 1px solid var(--rd-line-dark); background: #fff; padding: 1.4rem; }
.rd-aside h2 { font-size: 1.05rem; margin-bottom: 0.8rem; }
.rd-aside ul { list-style: none; margin: 0 0 1rem; padding: 0; }
.rd-aside li { padding: 0.45rem 0; border-bottom: 1px solid var(--rd-line-dark); font-size: 0.94rem; }
.rd-aside a { color: var(--rd-ink); transition: color 0.2s; }
.rd-aside a:hover { color: var(--rd-mint-deep); }
.rd-tabulka-udajov { width: 100%; border-collapse: collapse; margin: 0 0 1.5rem; }
.rd-tabulka-udajov th, .rd-tabulka-udajov td { text-align: left; vertical-align: top; padding: 0.8rem 0.9rem; border-bottom: 1px solid var(--rd-line-dark); }
.rd-tabulka-udajov th { width: 38%; font-family: var(--rd-mono); font-weight: 400; font-size: 0.82rem; color: var(--rd-muted); }
.rd-rychly-obsah { border: 1px solid var(--rd-line-dark); padding: 1.1rem 1.3rem; margin-bottom: 2.5rem; background: #fff; max-width: 66ch; }
.rd-rychly-obsah h2 { font-size: 1rem !important; margin: 0 0 0.6rem !important; }
.rd-kroky { list-style: none; padding: 0; counter-reset: rdk; }
.rd-kroky li { counter-increment: rdk; position: relative; padding: 0.2rem 0 1.1rem 3rem; }
.rd-kroky li::before { content: counter(rdk); position: absolute; left: 0; top: 0; width: 2rem; height: 2rem; display: grid; place-items: center; border: 1px solid var(--rd-mint-deep); font-family: var(--rd-mono); font-size: 0.85rem; color: var(--rd-mint-deep); }
.rd-velky-kod { font-family: var(--rd-mono); font-size: clamp(5rem, 16vw, 11rem); line-height: 0.9; color: transparent; -webkit-text-stroke: 1px var(--rd-mint); margin: 0 0 1rem; }

/* ---------- objavovanie ---------- */
.js .rd-reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.4s var(--rd-ease), transform 0.4s var(--rd-ease); }
.js .rd-reveal.is-visible { opacity: 1; transform: none; }
.js .rd-blur { filter: blur(14px); opacity: 0.35; }
.js .rd-blur.is-visible { filter: blur(0); opacity: 1; transition: filter 0.4s ease-out, opacity 0.4s ease-out, transform 0.4s var(--rd-ease); }

/* ---------- responzívne ---------- */
@media (max-width: 1080px) {
  .rd-hero-mriezka { grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); }
  .rd-hero-foto { grid-column: 1 / -1; display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 1.2rem; align-items: end; }
}
@media (max-width: 860px) {
  .rd-hero { padding-top: 5.8rem; }
  .rd-hero::before, .rd-hero::after { top: 58%; left: 50%; }
  .rd-hero-mriezka, .rd-hlavicka-sekcie, .rd-form-mriezka, .rd-slovnik, .rd-rozlozenie, .rd-paticka-mriezka { grid-template-columns: minmax(0, 1fr); }
  .rd-smer { grid-template-columns: minmax(0, 1fr); }
  .rd-smer:nth-of-type(even) .rd-smer-obraz { order: 0; }
  .rd-smer-obraz, .rd-smer-dekor { max-width: 420px; }
  .rd-hranice-zoznam li { grid-template-columns: 3rem minmax(0, 1fr); }
  .rd-hranice-zoznam li p { grid-column: 2; }
  .rd-slovnik-obraz, .rd-aside { position: static; }
  .rd-slovnik-obraz { max-width: 320px; }
  .rd-pojem { grid-template-columns: minmax(0, 1fr); }
  .rd-panel { width: 88%; padding: 0.9rem 1rem; }
  .rd-panel p { font-size: 0.86rem; }
}
@media (max-width: 560px) {
  body { font-size: 1rem; }
  .rd-form { grid-template-columns: minmax(0, 1fr); }
  .rd-hero-foto { grid-template-columns: 130px minmax(0, 1fr); }
  .rd-hlava-odkaz { font-size: 0.75rem; padding: 0.45rem 0.6rem; }
  .rd-znacka span { display: none; }
  .rd-fakty { grid-template-columns: minmax(0, 1fr); gap: 0.2rem; }
  .rd-fakty dd { margin-bottom: 0.6rem; }
  .rd-podpis { grid-template-columns: minmax(0, 1fr); }
  .rd-minischema { width: 76px; bottom: auto; top: 5rem; right: 0.6rem; }
  .rd-cookie { width: calc(100% - 1.5rem); left: 0.75rem; bottom: 0.75rem; padding: 0.75rem 0.85rem; font-size: 0.82rem; }
  .rd-cookie p { margin-bottom: 0.55rem; }
  .rd-cookie-akcie .rd-btn { flex: 1 1 0; padding: 0.5rem; }
  .rd-popis .rd-popis-slovo { font-size: 15px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; transition-delay: 0s !important; scroll-behavior: auto !important; }
  html { scroll-behavior: auto; }
  .rd-hero::after { display: none; }
  .rd-ray { stroke-dashoffset: 0; }
  .js .rd-reveal, .js .rd-blur { opacity: 1; transform: none; filter: none; }
}