/* Informační web (o-aplikaci.html a en/index.html): společné styly. */
/* Písmo a barvy jako v aplikaci (src/theme.css), světlý i tmavý režim. */
@font-face {
  font-family: 'Sora';
  font-weight: 300;
  font-display: swap;
  src: url(/fonts/sora-latin-ext-300-normal.woff2) format('woff2');
  unicode-range:
    U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329,
    U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F,
    U+A720-A7FF;
}
@font-face {
  font-family: 'Sora';
  font-weight: 300;
  font-display: swap;
  src: url(/fonts/sora-latin-300-normal.woff2) format('woff2');
  unicode-range:
    U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329,
    U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Sora';
  font-weight: 800;
  font-display: swap;
  src: url(/fonts/sora-latin-ext-800-normal.woff2) format('woff2');
  unicode-range:
    U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329,
    U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F,
    U+A720-A7FF;
}
@font-face {
  font-family: 'Sora';
  font-weight: 800;
  font-display: swap;
  src: url(/fonts/sora-latin-800-normal.woff2) format('woff2');
  unicode-range:
    U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329,
    U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
:root {
  --bg: #f4f1eb;
  --surface: #ffffff;
  --text: #1f2430;
  --muted: #5d6474;
  --border: #ddd7cc;
  --blue: #1d4e9e;
  --blue-soft: #e3eaf6;
  --red: #c8102e;
  --red-soft: #f8e3e6;
  --on-accent: #ffffff;
  --done: #2e9d5b;
  --frame: #1f2430;
  --shadow: 0 24px 60px rgb(31 36 48 / 0.18);
  --font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-brand: 'Sora', var(--font-ui);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #1e2230;
    --surface: #282d3d;
    --text: #eceef3;
    --muted: #a3a9b8;
    --border: #3a4054;
    --blue: #7fa8f0;
    --blue-soft: #2c3550;
    --red: #ff5c66;
    --red-soft: #3b2a35;
    --on-accent: #1e2230;
    --done: #4cc47e;
    --frame: #0f121a;
    --shadow: 0 24px 60px rgb(0 0 0 / 0.45);
  }
}
/* Ručně zvolený tmavý režim (web/theme.js, stejná volba jako v aplikaci). */
:root[data-theme='dark'] {
  --bg: #1e2230;
  --surface: #282d3d;
  --text: #eceef3;
  --muted: #a3a9b8;
  --border: #3a4054;
  --blue: #7fa8f0;
  --blue-soft: #2c3550;
  --red: #ff5c66;
  --red-soft: #3b2a35;
  --on-accent: #1e2230;
  --done: #4cc47e;
  --frame: #0f121a;
  --shadow: 0 24px 60px rgb(0 0 0 / 0.45);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 var(--font-ui);
  overflow-x: hidden;
}
a {
  color: var(--blue);
}
img {
  max-width: 100%;
}
.wrap {
  max-width: 70rem;
  margin: 0 auto;
  padding: 0 1rem;
}
.skip {
  position: absolute;
  left: -999px;
}
.skip:focus {
  left: 1rem;
  top: 1rem;
  z-index: 3;
  padding: 0.5rem 1rem;
  background: var(--surface);
}

/* Záhlaví */
header.bar {
  position: sticky;
  top: 0;
  z-index: 2;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
header.bar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-brand);
  font-size: 1.7rem;
  letter-spacing: -0.044em;
  text-decoration: none;
  white-space: nowrap;
}
/* Ikona aplikace u názvu: stejné logo jako na přihlašovací obrazovce Google. */
.brand img {
  width: 40px;
  height: 40px;
  margin-right: 0.5rem;
  border-radius: 9px;
}
.brand .my {
  font-weight: 300;
  color: var(--red);
}
.brand .hhd {
  font-weight: 800;
  color: var(--blue);
}
.brand small {
  font-family: var(--font-ui);
  font-size: 0.9rem;
  letter-spacing: 0;
  color: var(--muted);
  margin-left: 0.4rem;
}
nav.links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}
nav.links a:not(.button) {
  color: var(--text);
  text-decoration: none;
}
nav.links a:not(.button):hover {
  color: var(--blue);
}

/* Tlačítka a štítky */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0 1.4rem;
  border-radius: 14px;
  background: var(--red);
  color: var(--on-accent);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}
.button.big {
  min-height: 56px;
  padding: 0 1.75rem;
  font-size: 1.1rem;
}
.button.secondary {
  background: var(--surface);
  color: var(--blue);
  border: 1px solid var(--border);
}
.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}
.badges li {
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 0.9rem;
}
.badges li::before {
  content: '✓ ';
  color: var(--done);
  font-weight: 700;
}
.new {
  display: inline-block;
  margin-left: 0.5rem;
  padding: 0.1rem 0.6rem;
  border-radius: 999px;
  background: var(--red);
  color: var(--on-accent);
  font: 700 0.75rem/1.6 var(--font-ui);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  vertical-align: middle;
}

/* Nadpisy a text */
h1 {
  font-family: var(--font-brand);
  font-weight: 800;
  font-size: clamp(2.2rem, 6.5vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
  margin: 0 0 1rem;
}
h1 .accent,
h2 .accent {
  color: var(--red);
}
h2 {
  font-family: var(--font-brand);
  font-weight: 800;
  font-size: clamp(1.6rem, 4.5vw, 2.3rem);
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin: 0 0 1rem;
}
h3 {
  margin: 0 0 0.4rem;
  font-size: 1.1rem;
  line-height: 1.3;
}
.eyebrow {
  margin: 0 0 0.5rem;
  color: var(--blue);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.lead {
  font-size: 1.15rem;
  color: var(--muted);
  margin: 0 0 1.5rem;
}
.center {
  text-align: center;
}
.center .lead {
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
}
section {
  padding: 3.5rem 0;
}
section.alt {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* Rámeček telefonu kolem snímku */
.phone {
  display: block;
  width: min(290px, 78vw);
  margin: 0;
  border-radius: 34px;
  border: 9px solid var(--frame);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--surface);
}
.phone img {
  display: block;
  width: 100%;
  height: auto;
}

/* Úvod */
.hero {
  display: grid;
  gap: 2.5rem;
  align-items: center;
  padding: 3rem 0 2.5rem;
}
.hero .lead {
  font-size: 1.25rem;
}
.duo {
  position: relative;
  justify-self: center;
  width: min(460px, 100%);
  height: 560px;
}
.duo .phone {
  position: absolute;
  width: 260px;
}
.duo .phone:first-child {
  left: 0;
  top: 0;
  z-index: 1;
  transform: rotate(-4deg);
}
.duo .phone:last-child {
  right: 0;
  top: 70px;
  transform: rotate(5deg);
}

/* Pruh s čísly */
.stats {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  margin: 0;
}
.stats div {
  padding: 1.25rem;
  border-radius: 18px;
  background: var(--bg);
  border: 1px solid var(--border);
}
.stats dt {
  font-family: var(--font-brand);
  font-weight: 800;
  font-size: 2.4rem;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--blue);
}
.stats dd {
  margin: 0.25rem 0 0;
  color: var(--muted);
}
.more {
  margin: 1.5rem 0 0;
}

/* Hlavní funkce: text a snímek vedle sebe, střídavě */
.spot {
  display: grid;
  gap: 2rem;
  align-items: center;
  padding: 2.5rem 0;
}
.spot + .spot {
  border-top: 1px solid var(--border);
}
.spot .shot {
  justify-self: center;
}
ul.ticks {
  margin: 0;
  padding: 0;
  list-style: none;
}
ul.ticks li {
  position: relative;
  padding-left: 1.75rem;
}
ul.ticks li + li {
  margin-top: 0.45rem;
}
ul.ticks li::before {
  content: '';
  position: absolute;
  left: 0.15rem;
  top: 0.5rem;
  width: 0.8rem;
  height: 0.45rem;
  border-left: 2.5px solid var(--done);
  border-bottom: 2.5px solid var(--done);
  transform: rotate(-45deg);
}
ul.ticks strong {
  color: var(--text);
}
.spot p,
.spot li {
  color: var(--muted);
}

/* Galerie snímků */
.shots {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  padding: 1rem 1rem 1.5rem;
  margin: 0 -1rem;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}
.shots figure {
  flex: none;
  width: min(220px, 62vw);
  margin: 0;
  scroll-snap-align: center;
}
.shots img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 24px;
  border: 6px solid var(--frame);
  box-shadow: 0 10px 30px rgb(0 0 0 / 0.12);
}
.shots figcaption {
  margin-top: 0.6rem;
  text-align: center;
  font-size: 0.95rem;
  color: var(--muted);
}
.hint {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

/* Zařízení: počítač s telefonem před ním */
.devices {
  position: relative;
  max-width: 54rem;
  margin: 2.5rem auto 0;
  padding-bottom: 2rem;
}
.laptop {
  margin: 0 3.5rem 0 0;
}
.laptop .screen {
  border: 12px solid var(--frame);
  border-bottom-width: 18px;
  border-radius: 18px 18px 0 0;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--surface);
}
.laptop .screen img {
  display: block;
  width: 100%;
  height: auto;
}
.laptop .base {
  height: 14px;
  margin: 0 -4%;
  border-radius: 0 0 14px 14px;
  background: linear-gradient(var(--muted), var(--frame));
}
.devices .phone {
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(170px, 28%);
  border-width: 6px;
  border-radius: 22px;
}
.platforms {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}
.platforms li {
  padding: 0.45rem 1rem;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--text);
  font-weight: 600;
}
.pair {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.pair figure {
  margin: 0;
}
.pair .phone {
  width: min(230px, 42vw);
}
.pair figcaption {
  margin-top: 0.75rem;
  text-align: center;
  color: var(--muted);
}

/* Čtyři telefony vedle sebe, na užší obrazovce dva a dva. */
.pair.quad {
  display: grid;
  grid-template-columns: repeat(2, auto);
  justify-content: center;
}
.pair.quad .phone {
  width: min(220px, 42vw);
}
@media (min-width: 1000px) {
  .pair.quad {
    grid-template-columns: repeat(4, auto);
  }
}

/* Jazyky */
.langs {
  display: grid;
  gap: 0.6rem;
  grid-template-columns: repeat(2, 1fr);
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}
.langs li {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.65rem 0.9rem;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-weight: 600;
}
.langnote {
  max-width: 48rem;
  margin: 1.5rem auto 0;
  padding: 1rem 1.25rem;
  border-radius: 14px;
  border: 1px dashed var(--border);
  color: var(--muted);
  font-size: 0.95rem;
}
.langnote p {
  margin: 0;
}
.langnote p + p {
  margin-top: 0.4rem;
}
.langnote strong {
  color: var(--text);
}
.langs img {
  width: 30px;
  height: 20px;
  border-radius: 3px;
  box-shadow: 0 0 0 1px rgb(0 0 0 / 0.12);
  flex: none;
}

/* Karty */
.grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}
.permissions {
  margin-top: 1rem;
}
.permissions ul {
  margin: 0.5rem 0 0;
  padding-left: 1.2rem;
}
.permissions li + li {
  margin-top: 0.4rem;
}
.card {
  padding: 1.25rem;
  border-radius: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
}
section.alt .card {
  background: var(--bg);
}
.card p {
  margin: 0;
  color: var(--muted);
}
.icon {
  display: inline-grid;
  place-items: center;
  width: 2.6rem;
  height: 2.6rem;
  margin-bottom: 0.7rem;
  border-radius: 12px;
  background: var(--blue-soft);
  color: var(--blue);
}
.icon svg {
  width: 1.4rem;
  height: 1.4rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
ol.steps {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--muted);
}
ol.steps li + li {
  margin-top: 0.3rem;
}

/* Otázky a odpovědi */
.faq {
  max-width: 48rem;
  margin: 0 auto;
}
.faq details {
  border-bottom: 1px solid var(--border);
}
.faq summary {
  cursor: pointer;
  padding: 1rem 2rem 1rem 0;
  font-weight: 700;
  list-style: none;
  position: relative;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary::after {
  content: '+';
  position: absolute;
  right: 0.25rem;
  top: 0.75rem;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--blue);
}
.faq details[open] summary::after {
  content: '−';
}
.faq details p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.note {
  padding: 1.5rem;
  border-radius: 18px;
  border: 1px solid var(--red);
  background: var(--surface);
}
.note h2 {
  font-size: 1.4rem;
}
.note p {
  margin: 0;
}
.note p + p {
  margin-top: 0.5rem;
}
.final {
  padding: 3rem 1.5rem;
  border-radius: 28px;
  background: var(--blue);
  color: var(--on-accent);
  text-align: center;
}
.final h2 {
  color: var(--on-accent);
}
.final p {
  margin: 0 auto 1.75rem;
  max-width: 36rem;
  font-size: 1.15rem;
}
.final .button {
  background: var(--on-accent);
  color: var(--blue);
}
footer {
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.95rem;
}
footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}

@media (min-width: 860px) {
  .hero {
    grid-template-columns: 1.1fr 1fr;
    padding: 4.5rem 0 3.5rem;
  }
  .spot {
    grid-template-columns: 1.15fr 1fr;
    gap: 4rem;
  }
  .spot.flip .text {
    order: 2;
  }
  .langs {
    grid-template-columns: repeat(4, 1fr);
  }
}
@media (max-width: 860px) {
  nav.links a.opt {
    display: none;
  }
}
@media (max-width: 560px) {
  nav.links a:not(.button) {
    display: none;
  }
  .brand small {
    display: none;
  }
  .brand img {
    width: 32px;
    height: 32px;
    border-radius: 7px;
  }
}
/* Na úzkém telefonu se ikona s názvem, přepínačem režimu a tlačítkem nevejde. */
@media (max-width: 420px) {
  .brand img {
    display: none;
  }
  .duo {
    height: 440px;
  }
  .duo .phone {
    width: 200px;
  }
  /* Natočený telefon nesmí přesáhnout šířku displeje. */
  .duo .phone:first-child {
    left: 16px;
  }
  .duo .phone:last-child {
    top: 60px;
    right: 16px;
  }
  .laptop {
    margin-right: 2rem;
  }
  .laptop .screen {
    border-width: 6px;
    border-bottom-width: 10px;
    border-radius: 10px 10px 0 0;
  }
  .laptop .base {
    height: 8px;
  }
  .devices .phone {
    border-width: 4px;
    border-radius: 14px;
  }
}

/* Přepínač češtiny a angličtiny zůstává vidět i na mobilu. */
nav.links a.lang {
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
}
@media (max-width: 560px) {
  nav.links a.lang {
    display: inline;
  }
  /* Logo, režim, nabídka jazyků a tlačítko se musí vejít i na iPhone mini (375 px). */
  nav.links {
    gap: 0.5rem;
  }
  header.bar .button {
    padding: 0 1rem;
  }
}

/* Přepínač světlého a tmavého režimu v záhlaví (web/theme.js). Ukazuje režim, na který
   se přepne: ve světlém měsíc, v tmavém slunce. */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin: 0 -0.5rem;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--text);
  cursor: pointer;
}
.theme-toggle:hover {
  color: var(--blue);
}
.theme-toggle svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.theme-toggle .sun {
  display: none;
}
:root[data-theme='dark'] .theme-toggle .sun {
  display: block;
}
:root[data-theme='dark'] .theme-toggle .moon {
  display: none;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) .theme-toggle .sun {
    display: block;
  }
  :root:not([data-theme='light']) .theme-toggle .moon {
    display: none;
  }
}

/* Snímek s tmavou verzí (<picture> uvnitř rámečku telefonu nebo galerie): obrázek se
   chová jako přímý potomek rámečku, styly .phone img a .shots img platí beze změny. */
picture:not([class]) {
  display: contents;
}

/* Nabídka jazyků v záhlaví (site/about.ts): <details>, funguje i bez skriptu. */
.langmenu {
  position: relative;
}
.langmenu summary {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  list-style: none;
}
.langmenu summary::-webkit-details-marker {
  display: none;
}
.langmenu summary::after {
  content: '';
  margin-left: 0.3rem;
  border: 4px solid transparent;
  border-top-color: currentColor;
  transform: translateY(2px);
}
.langmenu ul {
  position: absolute;
  right: 0;
  top: 100%;
  z-index: 20;
  min-width: 13rem;
  max-height: 70vh;
  overflow-y: auto;
  margin: 0.25rem 0 0;
  padding: 0.4rem;
  list-style: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow);
}
nav.links .langmenu a {
  display: flex;
  align-items: center;
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
}
.langmenu img {
  flex: none;
  margin-right: 0.6rem;
  border-radius: 3px;
  box-shadow: 0 0 0 1px var(--border);
}
.langmenu summary img {
  margin-right: 0.4rem;
}
nav.links .langmenu a:hover {
  background: var(--blue-soft);
}
nav.links .langmenu a[aria-current='page'] {
  font-weight: 800;
  color: var(--blue);
}
@media (max-width: 560px) {
  nav.links .langmenu a {
    display: flex;
  }
}
/* Patička: odkazy na web v ostatních jazycích. */
.footlangs {
  flex-basis: 100%;
  font-size: 0.85rem;
}

/* Instalace: karta zařízení návštěvníka (web/install.js) je první a zvýrazněná. */
.install .yours {
  border-color: var(--blue);
  box-shadow: 0 0 0 1px var(--blue);
}