/* dashiox – rozvržení webu, portálu a adminu (kap. 25.3, 25.5): hlavička, patička, přepínání variant loga,
   homepage (hero, sekce, karty, kroky, FAQ, výzva), obsahové a právní stránky, formuláře.
   Jen proměnné tokenů (lint_ui) a pomocné --ui-* z ui/base.css; barevné dvojice textu jsou v contrast-pairs.json.
   Pořadí: brand/tokens.css → brand/fonts/fonts.css → ui/base.css → ui/web.css.
   Pohyb: jen jemné přechody a „odhalení“ sekcí (ui/site.js), vše vypnuté při prefers-reduced-motion. */

:root {
  --fs-xs: 0.8125rem;
  --fs-sm: 0.9375rem;
  --fs-base: 1rem;
  --fs-lg: clamp(1.0625rem, 0.98rem + 0.45vw, 1.25rem);
  --fs-h2: clamp(1.75rem, 1.3rem + 1.8vw, 2.6rem);
  --fs-display: clamp(2.1rem, 1.25rem + 2.7vw, 3.35rem);
  --header-h: 4rem;
  --radius: 14px;
  --radius-lg: 22px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --grid-line: color-mix(in srgb, var(--dx-border) 60%, transparent);
}

html {
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3 {
  letter-spacing: -0.015em;
}

.icon {
  width: 1.25rem;
  height: 1.25rem;
  flex: none;
}

@media (max-width: 30rem) {
  .container {
    padding-inline: 1rem;
  }
}

.site-main {
  flex: 1 0 auto;
  padding-block: clamp(2rem, 4vw, 3.5rem) clamp(3rem, 6vw, 5rem);
}

.site-main--home {
  padding-block: 0;
}

/* ---------------------------------------------------------------- Hlavička (sticky, průsvitná, rozostření) */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--dx-bg);
  border-bottom: 1px solid color-mix(in srgb, var(--dx-border) 55%, transparent);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

@supports ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .site-header {
    background: color-mix(in srgb, var(--dx-bg) 80%, transparent);
    -webkit-backdrop-filter: saturate(1.4) blur(14px);
    backdrop-filter: saturate(1.4) blur(14px);
  }
}

.site-header.is-scrolled {
  border-bottom-color: var(--dx-border);
  box-shadow: 0 10px 30px -18px var(--ui-shadow);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  min-height: var(--header-h);
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  display: inline-block;
  padding: 0.45rem 0.75rem;
  border-radius: 8px;
  color: var(--dx-muted);
  font-weight: 500;
  text-decoration: none;
  transition: color 0.15s ease, background-color 0.15s ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--dx-text);
  background: var(--dx-surface);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
}

.site-header__actions .btn {
  padding: 0.5rem 0.95rem;
}

.lang-link {
  color: var(--dx-muted);
  font-family: var(--dx-font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  padding: 0.45rem 0.55rem;
  border-radius: 8px;
  text-decoration: none;
}

.lang-link:hover {
  color: var(--dx-text);
  background: var(--dx-surface);
}

/* Mobilní menu: <details> (funguje bez JS), na širokém displeji skryté. */
.menu {
  display: none;
  position: relative;
  margin-left: auto;
}

.menu__toggle {
  display: inline-grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--dx-border);
  border-radius: 10px;
  background: var(--dx-surface);
  color: var(--dx-text);
  cursor: pointer;
  list-style: none;
}

.menu__toggle::-webkit-details-marker {
  display: none;
}

.menu__icon-close,
.menu[open] .menu__icon-open {
  display: none;
}

.menu[open] .menu__icon-close {
  display: block;
}

.menu__panel {
  position: absolute;
  right: 0;
  top: calc(100% + 0.6rem);
  width: min(20rem, calc(100vw - 2rem));
  padding: 0.6rem;
  background: var(--dx-surface);
  border: 1px solid var(--dx-border);
  border-radius: var(--radius);
  box-shadow: 0 24px 48px -20px var(--ui-shadow);
}

.menu__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.menu__list a {
  display: block;
  padding: 0.75rem 0.8rem;
  border-radius: 8px;
  color: var(--dx-text);
  font-weight: 500;
  text-decoration: none;
}

.menu__list a:hover,
.menu__list a[aria-current="page"] {
  background: var(--dx-bg);
}

.menu__actions {
  display: grid;
  gap: 0.5rem;
  margin-top: 0.5rem;
  padding: 0.75rem 0.2rem 0.2rem;
  border-top: 1px solid var(--dx-border);
}

.menu__actions .btn {
  justify-content: center;
  padding: 0.7rem 1rem;
}

.menu__actions .lang-link {
  text-align: center;
  padding: 0.6rem;
}

@media (max-width: 55.99rem) {
  .site-nav,
  .site-header__actions {
    display: none;
  }

  .menu {
    display: block;
  }
}

/* Admin má víc položek navigace → menu už od širšího displeje. */
@media (min-width: 56rem) and (max-width: 71.99rem) {
  .app-admin .site-nav,
  .app-admin .site-header__actions {
    display: none;
  }

  .app-admin .menu {
    display: block;
  }
}

/* Logo se nepřebarvuje — přepíná se varianta souboru (primary na světlém, inverse na tmavém; kap. 25.5).
   Explicitní data-theme má přednost, bez atributu („Systém“) rozhoduje prefers-color-scheme. */
.logo {
  display: inline-flex;
  align-items: center;
  flex: none;
}

.logo .logo-for-dark {
  display: none;
}

[data-theme="dark"] .logo .logo-for-light {
  display: none;
}

[data-theme="dark"] .logo .logo-for-dark {
  display: block;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .logo .logo-for-light {
    display: none;
  }

  :root:not([data-theme="light"]) .logo .logo-for-dark {
    display: block;
  }
}

/* ---------------------------------------------------------------- Společné prvky sekcí */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1rem;
  color: var(--dx-muted);
  font-family: var(--dx-font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 1.25rem;
  height: 2px;
  border-radius: 2px;
  background: var(--dx-accent);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1.75rem;
  padding: 0.35rem 0.85rem 0.35rem 0.7rem;
  border: 1px solid var(--dx-border);
  border-radius: 999px;
  background: var(--dx-surface);
  color: var(--dx-text);
  font-family: var(--dx-font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.03em;
}

.pill__dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--dx-accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--dx-signal) 22%, transparent);
}

.btn--lg {
  min-height: 3rem;
  padding: 0.8rem 1.35rem;
  border-radius: 10px;
  font-size: 1.0625rem;
}

.btn__icon {
  width: 1.1em;
  height: 1.1em;
  transition: transform 0.2s var(--ease);
}

.btn:hover .btn__icon {
  transform: translateX(3px);
}

.icon-tile {
  display: inline-grid;
  place-items: center;
  flex: none;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 12px;
  background: var(--ui-tint);
  border: 1px solid color-mix(in srgb, var(--dx-signal) 24%, var(--dx-border));
  color: var(--ui-accent-ink);
}

.icon-tile .icon {
  width: 1.35rem;
  height: 1.35rem;
}

.icon-tile--sm {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 10px;
}

.icon-tile--sm .icon {
  width: 1.1rem;
  height: 1.1rem;
}

.section {
  padding-block: clamp(4rem, 8vw, 7rem);
}

.section--tight {
  padding-block: clamp(1rem, 3vw, 2rem) clamp(3rem, 6vw, 5rem);
}

.section--alt {
  background: var(--dx-surface);
  border-block: 1px solid var(--dx-border);
}

.section-head {
  max-width: 46rem;
  margin-bottom: clamp(2rem, 4vw, 3.25rem);
}

.section-head--center {
  margin-inline: auto;
  text-align: center;
}

.section-title {
  margin: 0 0 1rem;
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.section-title--sm {
  font-size: clamp(1.4rem, 1.2rem + 0.8vw, 1.8rem);
  margin-bottom: 0.6rem;
}

.section-lead {
  margin: 0;
  color: var(--dx-muted);
  font-size: var(--fs-lg);
  line-height: 1.55;
  text-wrap: pretty;
}

.section-foot {
  margin-top: 2rem;
  color: var(--dx-muted);
}

.section-foot p {
  margin: 0;
}

.section-foot--fine {
  font-size: var(--fs-xs);
  max-width: 52rem;
}

/* ---------------------------------------------------------------- Hero */

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(3rem, 8vw, 7rem) clamp(3rem, 6vw, 5.5rem);
}

.hero__backdrop {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60rem 32rem at 88% -12%, color-mix(in srgb, var(--dx-signal) 15%, transparent), transparent 62%),
    radial-gradient(42rem 26rem at -12% 8%, color-mix(in srgb, var(--dx-signal) 6%, transparent), transparent 60%);
}

.hero__backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 70% 20%, black, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 60% at 70% 20%, black, transparent 75%);
  opacity: 0.55;
}

.hero__grid {
  display: grid;
  gap: clamp(2.75rem, 6vw, 4.5rem);
  align-items: center;
}

@media (min-width: 62rem) {
  .hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
}

/* H1 = název aplikace (malý mono řádek s akcentovou tečkou, jediný „eyebrow“ nad nadpisem) + hodnotová nabídka. */
.hero__title {
  margin: 0 0 1.5rem;
  color: var(--dx-muted);
  font-family: var(--dx-font-mono);
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.hero__title::before {
  content: "";
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  margin-right: 0.6rem;
  border-radius: 50%;
  background: var(--dx-accent);
  vertical-align: 0.05em;
}

.hero__claim {
  display: block;
  margin-top: 0.75rem;
  color: var(--dx-text);
  font-family: var(--dx-font-sans);
  font-size: var(--fs-display);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.hero__lead {
  max-width: 36rem;
  margin: 0 0 2.25rem;
  color: var(--dx-muted);
  font-size: var(--fs-lg);
  line-height: 1.6;
  text-wrap: pretty;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0 0 1.5rem;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
}

.hero__meta .pill {
  margin: 0;
}

.hero__note {
  max-width: 34rem;
  margin: 0;
  font-size: var(--fs-sm);
}

/* Náhled produktu — čisté HTML/SVG, smyšlená data. */
.preview {
  margin: 0;
  overflow: hidden;
  background: var(--dx-surface);
  border: 1px solid var(--dx-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 50px 90px -45px var(--ui-shadow), 0 0 0 6px color-mix(in srgb, var(--dx-surface) 45%, transparent);
}

.preview__bar {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--dx-border);
}

.preview__dots {
  display: flex;
  gap: 0.35rem;
}

.preview__dots i {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
  background: var(--dx-border);
}

.preview__title {
  color: var(--dx-muted);
  font-size: 0.75rem;
}

.preview__body {
  display: grid;
  gap: 1rem;
  padding: 1.25rem;
}

.preview__q {
  justify-self: end;
  max-width: 88%;
  margin: 0;
  padding: 0.6rem 0.95rem;
  background: var(--dx-bg);
  border: 1px solid var(--dx-border);
  border-radius: 14px 14px 4px 14px;
  font-size: var(--fs-sm);
}

.preview__a {
  display: grid;
  gap: 0.8rem;
}

.preview__tool {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  justify-self: start;
  margin: 0;
  padding: 0.25rem 0.55rem;
  border: 1px dashed var(--dx-border);
  border-radius: 6px;
  color: var(--dx-muted);
  font-size: 0.75rem;
}

.preview__tool-label {
  opacity: 0.8;
}

.preview__tool .icon {
  width: 0.9rem;
  height: 0.9rem;
  color: var(--ui-accent-ink);
}

.preview__summary {
  margin: 0;
  font-weight: 600;
}

.preview__kpis {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
}

.kpi {
  display: grid;
  gap: 0.15rem;
  min-width: 0;
  padding: 0.65rem 0.75rem;
  background: var(--dx-bg);
  border: 1px solid var(--dx-border);
  border-radius: 10px;
}

.kpi__label {
  color: var(--dx-muted);
  font-size: 0.75rem;
}

.kpi__value {
  overflow: hidden;
  font-size: clamp(0.95rem, 0.85rem + 0.5vw, 1.25rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.kpi__delta {
  color: var(--dx-muted);
  font-family: var(--dx-font-mono);
  font-size: 0.72rem;
}

.kpi__delta--good {
  color: var(--dx-status-ok);
}

.preview__chart {
  padding: 0.65rem 0.75rem 0.55rem;
  background: var(--dx-bg);
  border: 1px solid var(--dx-border);
  border-radius: 10px;
}

.preview__chart-label {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--dx-muted);
  font-size: 0.75rem;
}

.chart {
  width: 100%;
  height: auto;
}

.chart__grid {
  stroke: var(--dx-border);
  stroke-width: 1;
  stroke-dasharray: 3 4;
}

.chart__bar {
  fill: color-mix(in srgb, var(--dx-signal) 35%, var(--dx-bg));
}

.chart__bar--hl {
  fill: var(--dx-accent);
}

.preview__approval {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.6rem;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--dx-border);
  border-radius: 10px;
  font-size: var(--fs-sm);
}

.preview__approval .icon {
  color: var(--ui-accent-ink);
}

.preview__proposal {
  flex: 1 1 12rem;
}

.preview__note {
  margin: 0;
  padding: 0.55rem 1rem;
  border-top: 1px solid var(--dx-border);
  color: var(--dx-muted);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-align: right;
  text-transform: uppercase;
}

@media (max-width: 30rem) {
  .preview__body {
    padding: 1rem 0.85rem;
  }

  .preview__kpis {
    gap: 0.4rem;
  }

  .kpi {
    padding: 0.5rem 0.55rem;
  }
}

/* Pás platforem: jen textové štítky (žádná loga Google/Meta — kap. 6.7.1). */
.logos {
  padding-block: 1.75rem;
  border-block: 1px solid var(--dx-border);
}

.logos__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 1rem 2rem;
}

.logos__label {
  margin: 0;
  color: var(--dx-muted);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.logos__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.logos__list li {
  padding: 0.4rem 0.85rem;
  background: var(--dx-surface);
  border: 1px solid var(--dx-border);
  border-radius: 999px;
  color: var(--dx-text);
  font-size: var(--fs-sm);
  font-weight: 600;
  white-space: nowrap;
}

/* ---------------------------------------------------------------- Jak to funguje (kroky) */

.steps {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 52rem) {
  .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }
}

.step {
  position: relative;
  padding: 1.6rem 1.5rem 1.6rem;
  background: var(--dx-surface);
  border: 1px solid var(--dx-border);
  border-radius: var(--radius);
}

.step__num {
  position: absolute;
  top: 1.6rem;
  right: 1.5rem;
  display: inline-grid;
  place-items: center;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 50%;
  background: var(--dx-accent);
  color: var(--dx-on-accent);
  font-size: 0.875rem;
  font-weight: 700;
}

.step__title {
  margin: 1.35rem 0 0.5rem;
  font-size: 1.1875rem;
}

.step p {
  margin: 0;
  color: var(--dx-muted);
  line-height: 1.6;
}

@media (min-width: 52rem) {
  .step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 2.95rem;
    right: calc(-1.25rem - 1px);
    width: 1.25rem;
    height: 1px;
    background: var(--dx-border);
  }
}

/* ---------------------------------------------------------------- Karty */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 15.5rem), 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Vyvážené mřížky bez prázdných slotů: platformy 2 → 4 sloupce (lichý počet → první karta přes 2 sloupce),
   výstupy 1 → 2 → 3 sloupce na 6dílné mřížce (zbytek poslední řady se roztáhne). */
.card-grid--platforms {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card-grid--platforms > li:first-child:nth-last-child(odd) {
  grid-column: span 2;
}

@media (min-width: 64rem) {
  .card-grid--platforms {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 22rem) {
  .card-grid--platforms {
    grid-template-columns: minmax(0, 1fr);
  }

  .card-grid--platforms > li:first-child:nth-last-child(odd) {
    grid-column: auto;
  }
}

.card-grid--features {
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 44rem) and (max-width: 63.99rem) {
  .card-grid--features {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .card-grid--features > li:first-child:nth-last-child(odd) {
    grid-column: span 2;
  }
}

@media (min-width: 64rem) {
  .card-grid--features {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .card-grid--features > li {
    grid-column: span 2;
  }

  .card-grid--features > li:nth-child(3n + 1):nth-last-child(2),
  .card-grid--features > li:nth-child(3n + 1):nth-last-child(2) ~ li {
    grid-column: span 3;
  }

  .card-grid--features > li:nth-child(3n + 1):last-child {
    grid-column: span 6;
  }
}

.feature-card {
  padding: 1.35rem 1.4rem;
  background: var(--dx-surface);
  border: 1px solid var(--dx-border);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, transform 0.2s var(--ease);
}

.section--alt .feature-card {
  background: var(--dx-bg);
}

.feature-card:hover {
  border-color: color-mix(in srgb, var(--dx-signal) 45%, var(--dx-border));
  transform: translateY(-2px);
}

.feature-card__title {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 0.45rem;
  font-size: 1.0625rem;
}

.card-grid--platforms .feature-card__title::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 2px;
  background: var(--dx-accent);
}

.feature-card p {
  margin: 0;
  color: var(--dx-muted);
  font-size: var(--fs-sm);
  line-height: 1.55;
}

.feature-card--icon {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.feature-card--icon p {
  color: var(--dx-text);
  font-size: var(--fs-base);
  padding-top: 0.55rem;
}

/* ---------------------------------------------------------------- Data a soukromí (dělené rozvržení) */

.split {
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 62rem) {
  .split {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 4rem;
    align-items: start;
  }

  .split__aside {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
  }
}

.split__aside .section-head {
  margin-bottom: 1.5rem;
}

.checklist {
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  background: var(--dx-bg);
  border: 1px solid var(--dx-border);
  border-radius: var(--radius);
}

.checklist__title {
  margin: 0.15rem 0 0.3rem;
  font-size: 1.0625rem;
}

.checklist p {
  margin: 0;
  color: var(--dx-muted);
  font-size: var(--fs-sm);
  line-height: 1.6;
}

.checklist p strong {
  color: var(--dx-text);
}

/* ---------------------------------------------------------------- Pás důvěry / zabezpečení */

.trust__inner {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 2.25rem;
  padding: clamp(1.5rem, 4vw, 3rem);
  background: var(--dx-surface);
  border: 1px solid var(--dx-border);
  border-radius: var(--radius-lg);
}

.trust__inner::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--dx-accent), transparent 70%);
}

@media (min-width: 62rem) {
  .trust__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    gap: 4rem;
  }
}

.trust__copy .section-head {
  margin-bottom: 1rem;
}

.trust__copy p {
  margin: 0;
  color: var(--dx-muted);
}

.trust__list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 13.5rem), 1fr));
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.trust__list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  background: var(--dx-bg);
  border: 1px solid var(--dx-border);
  border-radius: 12px;
  font-size: var(--fs-sm);
  font-weight: 600;
  line-height: 1.35;
}

/* ---------------------------------------------------------------- Pro agentury (plánováno) */

.highlight-card {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  background: var(--dx-surface);
  border: 1px dashed color-mix(in srgb, var(--dx-signal) 45%, var(--dx-border));
  border-radius: var(--radius-lg);
}

.highlight-card .badge {
  margin: 0 0 0.75rem;
}

.highlight-card p:not(.badge) {
  max-width: 48rem;
  margin: 0;
  color: var(--dx-muted);
}

@media (max-width: 30rem) {
  .highlight-card {
    flex-direction: column;
  }
}

/* ---------------------------------------------------------------- FAQ (details/summary, bez JS) */

.faq {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 62rem) {
  .faq {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 4rem;
    align-items: start;
  }

  .faq__aside {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
  }
}

.faq__aside .section-head {
  margin-bottom: 0;
}

.faq__list {
  display: grid;
  gap: 0.75rem;
}

.faq__item {
  background: var(--dx-bg);
  border: 1px solid var(--dx-border);
  border-radius: var(--radius);
  transition: border-color 0.2s ease;
}

.faq__item[open] {
  border-color: color-mix(in srgb, var(--dx-signal) 40%, var(--dx-border));
}

.faq__item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  border-radius: var(--radius);
  cursor: pointer;
  list-style: none;
}

.faq__item summary::-webkit-details-marker {
  display: none;
}

.faq__q {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.35;
}

.faq__icon {
  display: grid;
  place-items: center;
  flex: none;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--dx-border);
  border-radius: 50%;
  transition: transform 0.25s var(--ease);
}

.faq__icon .icon {
  width: 1rem;
  height: 1rem;
}

.faq__item[open] .faq__icon {
  transform: rotate(45deg);
}

.faq__a {
  max-width: 46rem;
  padding: 0 1.25rem 1.25rem;
  color: var(--dx-muted);
  line-height: 1.65;
}

.faq__a p {
  margin: 0;
}

/* ---------------------------------------------------------------- Závěrečná výzva */

.cta-band__inner {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  gap: 2rem;
  padding: clamp(1.75rem, 5vw, 3.75rem);
  background: var(--dx-surface);
  border: 1px solid var(--dx-border);
  border-radius: var(--radius-lg);
}

.cta-band__inner::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -12rem;
  right: -10rem;
  width: 30rem;
  height: 30rem;
  border-radius: 50%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--dx-signal) 20%, transparent), transparent);
}

@media (min-width: 56rem) {
  .cta-band__inner {
    grid-template-columns: minmax(0, 1.4fr) auto;
    align-items: center;
    gap: 3rem;
  }
}

.cta-band__inner p:not(.eyebrow):not(.cta-band__actions) {
  max-width: 40rem;
  margin: 0;
  color: var(--dx-muted);
  font-size: var(--fs-lg);
}

.cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0;
}

/* ---------------------------------------------------------------- Obsahové a právní stránky */

.doc {
  display: grid;
  gap: 2rem;
}

@media (min-width: 64rem) {
  .doc--toc {
    grid-template-columns: 15.5rem minmax(0, 1fr);
    gap: 4rem;
    align-items: start;
  }

  .toc {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
    max-height: calc(100vh - var(--header-h) - 3rem);
    overflow: auto;
    overscroll-behavior: contain;
  }
}

.toc {
  font-size: var(--fs-sm);
}

.toc__details {
  padding: 0.9rem 1rem;
  background: var(--dx-surface);
  border: 1px solid var(--dx-border);
  border-radius: var(--radius);
}

.toc__title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--dx-muted);
  font-family: var(--dx-font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  list-style: none;
}

.toc__title::-webkit-details-marker {
  display: none;
}

.toc__title::after {
  content: "+";
  font-size: 1rem;
}

.toc__details[open] .toc__title::after {
  content: "–";
}

.toc__list {
  margin: 0.85rem 0 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--dx-border);
}

.toc__list a {
  display: block;
  margin-left: -1px;
  padding: 0.3rem 0 0.3rem 0.9rem;
  border-left: 2px solid transparent;
  color: var(--dx-muted);
  line-height: 1.35;
  text-decoration: none;
}

.toc__list a:hover {
  color: var(--dx-text);
  border-left-color: var(--dx-accent);
}

@media (min-width: 64rem) {
  .toc__details {
    padding: 0;
    background: transparent;
    border: 0;
  }

  /* Na desktopu je obsah statický panel: titulek nejde sbalit a nemá znak +/–
     (pravidlo s [open] musí mít stejnou specifitu jako obecné, jinak by „–“ zůstalo). */
  .toc__title,
  .toc__details[open] .toc__title {
    cursor: default;
    pointer-events: none;
  }

  .toc__title::after,
  .toc__details[open] .toc__title::after {
    content: none;
  }
}

.doc__main {
  min-width: 0;
}

.prose {
  max-width: 46rem;
  font-size: 1.0625rem;
  line-height: 1.7;
  overflow-wrap: break-word;
}

.prose h1 {
  margin: 0 0 1.5rem;
  font-size: clamp(2rem, 1.45rem + 2.2vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
  text-wrap: balance;
}

.prose h1 + p {
  color: var(--dx-muted);
  font-size: var(--fs-lg);
}

.prose h2 {
  margin: 3rem 0 0.85rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--dx-border);
  font-size: clamp(1.35rem, 1.2rem + 0.6vw, 1.65rem);
  line-height: 1.25;
}

.prose h3 {
  margin: 2rem 0 0.5rem;
  font-size: 1.15rem;
  line-height: 1.35;
}

.heading-link {
  color: inherit;
  text-decoration: none;
}

.heading-link::after {
  content: "#";
  margin-left: 0.45rem;
  color: var(--dx-muted);
  font-weight: 400;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.heading-link:hover::after,
.heading-link:focus-visible::after {
  opacity: 1;
}

.prose a:not(.heading-link),
.site-footer__google a,
.form-row--check label a {
  color: var(--dx-text);
  text-decoration-color: var(--dx-accent);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

.prose a:not(.heading-link):hover {
  color: var(--ui-accent-ink);
}

.prose ul,
.prose ol {
  padding-left: 1.35rem;
}

.prose li + li {
  margin-top: 0.4rem;
}

.prose li::marker {
  color: var(--dx-muted);
}

.prose strong {
  font-weight: 650;
}

.table-scroll {
  margin: 1.5rem 0;
  overflow-x: auto;
  border: 1px solid var(--dx-border);
  border-radius: 12px;
}

.prose table {
  min-width: 32rem;
  font-size: 0.9375rem;
  line-height: 1.5;
}

.prose th,
.prose td {
  padding: 0.7rem 0.85rem;
  vertical-align: top;
}

.prose thead th {
  background: var(--dx-surface);
}

.prose tr:last-child td {
  border-bottom: 0;
}

.prose code {
  padding: 0.08em 0.35em;
  background: var(--dx-surface);
  border: 1px solid var(--dx-border);
  border-radius: 5px;
  font-size: 0.84em;
  overflow-wrap: anywhere;
}

.legal-version {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--dx-border);
  font-size: var(--fs-sm);
}

mark.missing {
  background: var(--dx-status-warn);
  color: var(--dx-bg);
  padding: 0 0.3rem;
  border-radius: 4px;
}

.error-page,
.placeholder {
  max-width: 40rem;
  padding-block: clamp(2rem, 6vw, 5rem);
}

.error-page h1,
.placeholder h1 {
  font-size: clamp(2rem, 1.5rem + 2vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
}

/* ---------------------------------------------------------------- Formuláře (žádost o přístup, kontakt) */

.form-card {
  max-width: 40rem;
  margin-top: 2.5rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  border-radius: var(--radius);
}

.form-card h2 {
  margin: 0 0 0.35rem;
}

.form-intro {
  margin: 0 0 1.5rem;
  font-size: var(--fs-sm);
}

.form-group {
  margin: 0 0 1.5rem;
  padding: 0 0 1.5rem;
  border: 0;
  border-bottom: 1px solid var(--dx-border);
}

.form-group__title {
  margin-bottom: 1rem;
  padding: 0;
  color: var(--dx-muted);
  font-family: var(--dx-font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.form-grid {
  display: grid;
  gap: 0 1rem;
}

@media (min-width: 40rem) {
  .form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.form-row .form-hint {
  margin: 0.35rem 0 0;
  font-size: var(--fs-xs);
}

.form-choices legend + .form-hint {
  margin: -0.15rem 0 0.6rem;
}

.form-actions {
  margin: 1.5rem 0 0;
}

.field:focus-visible {
  outline: 2px solid var(--ui-focus);
  outline-offset: 1px;
  border-color: var(--ui-focus);
}

/* Volby jako přepínací štítky: skutečný radio/checkbox je vizuálně schovaný (zůstává fokusovatelný a odesílá se). */
.pill-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.form-row .choice--pill {
  position: relative;
  display: inline-flex;
  margin: 0;
  font-weight: 500;
}

.choice--pill input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.choice--pill span {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  min-height: 2.5rem;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--dx-border);
  border-radius: 999px;
  background: var(--dx-bg);
  color: var(--dx-text);
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.choice--pill span::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border: 1.5px solid var(--dx-muted);
  border-radius: 50%;
}

.choice--pill input[type="checkbox"] + span::before {
  border-radius: 3px;
}

.choice--pill:hover span {
  border-color: var(--dx-muted);
}

/* Zvolený stav: rámeček a indikátor v --ui-accent-ink (světlý režim Inkoust — Signál má na Papíru jen 2,7 : 1). */
.choice--pill input:checked + span {
  border-color: var(--ui-accent-ink);
  background: var(--ui-tint);
  font-weight: 600;
}

.choice--pill input:checked + span::before {
  border-color: var(--ui-accent-ink);
  background: var(--ui-accent-ink);
}

.choice--pill input:focus-visible + span {
  outline: 2px solid var(--ui-focus);
  outline-offset: 2px;
}

.has-error .choice--pill span {
  border-color: var(--dx-status-critical);
}

/* Žádost o přístup: úvod + „Co bude následovat“ vlevo, formulář vpravo. */
@media (min-width: 64rem) {
  .doc--form .doc__main {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 4rem;
    align-items: start;
  }

  .doc--form .doc__intro {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
  }

  .doc--form .form-card {
    max-width: none;
    margin-top: 0;
  }
}

.next-steps {
  margin-top: 2rem;
  padding: 1.25rem 1.4rem;
  background: var(--dx-surface);
  border: 1px solid var(--dx-border);
  border-radius: var(--radius);
}

.next-steps__title {
  margin: 0 0 0.85rem;
  font-size: 1.0625rem;
}

.next-steps__list {
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: next;
}

.next-steps__list li {
  display: grid;
  grid-template-columns: 1.75rem minmax(0, 1fr);
  gap: 0.75rem;
  color: var(--dx-muted);
  font-size: var(--fs-sm);
  counter-increment: next;
}

.next-steps__list li::before {
  content: counter(next);
  display: inline-grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: var(--dx-accent);
  color: var(--dx-on-accent);
  font-size: 0.8125rem;
  font-weight: 700;
}

.field {
  min-height: 2.75rem;
  transition: border-color 0.15s ease;
}

.field:hover {
  border-color: var(--dx-muted);
}

.form-row {
  margin-bottom: 1rem;
}

.form-row label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

/* Skupina voleb (radio / checkbox) — žádost o přístup (W2-T5) */
.form-choices {
  border: 0;
  padding: 0;
  margin-inline: 0;
}

.form-choices legend {
  font-weight: 600;
  margin-bottom: 0.35rem;
  padding: 0;
}

.form-row .choice {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  font-weight: 400;
  margin-bottom: 0.25rem;
}

.form-row--check {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.25rem 0.6rem;
  align-items: start;
}

.form-row--check label {
  font-weight: 400;
}

.form-row--check .form-error {
  grid-column: 1 / -1;
}

.form-error,
.form-summary {
  color: var(--dx-status-critical);
  font-weight: 600;
  margin: 0.35rem 0 0;
}

.form-summary {
  margin-bottom: 1rem;
}

.has-error .field {
  border-color: var(--dx-status-critical);
}

/* Honeypot: mimo obrazovku (ne display:none, které některé roboty přeskakují), mimo pořadí fokusu. */
.hp {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ---------------------------------------------------------------- Patička */

.site-footer {
  padding-block: clamp(2.5rem, 5vw, 4rem) 2rem;
  background: var(--dx-surface);
  border-top: 1px solid var(--dx-border);
  font-size: var(--fs-sm);
}

.site-footer__top {
  display: grid;
  gap: 2rem;
  margin-bottom: 1.75rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--dx-border);
}

@media (min-width: 48rem) {
  .site-footer__top {
    grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr));
  }
}

.site-footer__tagline {
  max-width: 20rem;
  margin: 0.9rem 0 0;
}

.site-footer__heading {
  margin: 0 0 0.9rem;
  color: var(--dx-muted);
  font-family: var(--dx-font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-footer__col ul {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer__col a {
  color: var(--dx-text);
  text-decoration: none;
}

.site-footer__col a:hover {
  text-decoration: underline;
  text-decoration-color: var(--dx-accent);
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem 2rem;
}

.site-footer__legal {
  display: grid;
  gap: 0.5rem;
  max-width: 60rem;
}

.site-footer__legal p {
  margin: 0;
}

.site-footer__google,
.site-footer__tm {
  font-size: var(--fs-xs);
}

.lang-switch {
  display: flex;
  gap: 0.35rem;
}

.lang-switch a {
  padding: 0.35rem 0.6rem;
  border: 1px solid var(--dx-border);
  border-radius: 8px;
  color: var(--dx-text);
  font-family: var(--dx-font-mono);
  font-size: var(--fs-xs);
  text-decoration: none;
}

.lang-switch a[aria-current="true"] {
  border-color: var(--dx-accent);
  color: var(--ui-accent-ink);
  font-weight: 600;
}

/* ---------------------------------------------------------------- Kompaktní homepage na mobilu
   Kratší stránka: menší vertikální rytmus, bez vedlejších úvodních vět sekcí a bez duplicitního pásu platforem
   (platformy jsou hned v sekci níže), náhled bez grafu, menší karty. */
@media (max-width: 40rem) {
  .section {
    padding-block: 3.25rem;
  }

  .section--tight {
    padding-block: 0.5rem 3.25rem;
  }

  .section-head {
    margin-bottom: 1.5rem;
  }

  .section-head .section-lead,
  .logos {
    display: none;
  }

  .hero {
    padding-block: 2.25rem 3rem;
  }

  .hero__lead {
    margin-bottom: 1.5rem;
  }

  .step,
  .feature-card,
  .checklist li {
    padding: 1.1rem 1.15rem;
  }

  .step__title {
    margin-top: 0.9rem;
  }

  .card-grid--platforms .feature-card p {
    font-size: var(--fs-xs);
  }

  .section-foot {
    margin-top: 1.25rem;
  }

  .form-card {
    padding: 1.1rem;
  }
}

@media (max-width: 30rem) {
  .preview__chart,
  .preview__tool {
    display: none;
  }
}

/* ---------------------------------------------------------------- Pohyb (jen bez prefers-reduced-motion) */

@keyframes dx-rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .hero__copy > *,
  .hero__visual {
    animation: dx-rise 0.8s var(--ease) both;
  }

  .hero__copy > :nth-child(2) {
    animation-delay: 0.05s;
  }

  .hero__copy > :nth-child(3) {
    animation-delay: 0.1s;
  }

  .hero__copy > :nth-child(4) {
    animation-delay: 0.15s;
  }

  .hero__copy > :nth-child(5) {
    animation-delay: 0.2s;
  }

  .hero__visual {
    animation-delay: 0.25s;
  }

  .reveal-ready [data-reveal] {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  }

  .reveal-ready [data-reveal].is-visible {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .feature-card:hover {
    transform: none;
  }
}