/* Rawcorder — public site (landing, privacy, support). No external requests: system fonts only. */
:root {
  --bg: #E3E3DF;
  --surface: #ECECE8;
  --sunken: #D6D6D1;
  --hairline: rgba(17, 17, 17, 0.14);
  --ink: #111111;
  --ink2: #5E5E59;
  --ink3: #8F8F89;
  --display: #0C0C0C;
  --dot-off: rgba(255, 255, 255, 0.075);
  --signal: #FF5A1F;
  --signal-deep: #B8360A;
  --signal-ink: #C2410C;
  --radius: 18px;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111111;
    --surface: #1B1B1A;
    --sunken: #0A0A0A;
    --hairline: rgba(255, 255, 255, 0.10);
    --ink: #EDEDE9;
    --ink2: #A3A39D;
    --ink3: #75756F;
    --display: #000000;
    --signal: #FF6A30;
    --signal-ink: #FF8A5A;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.55 var(--sans);
  overflow-x: hidden;
}
/* subtle anodised grain */
body::before {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 0; opacity: .5;
  background-image: repeating-linear-gradient(0deg, rgba(0,0,0,.018) 0 1px, transparent 1px 3px);
}
main, header.site, footer.site { position: relative; z-index: 1; }
a { color: var(--signal-ink); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
img { max-width: 100%; height: auto; display: block; }

/* language switch: content tagged lang="cs"/"en" inside body */
html[data-lang="cs"] body [lang="en"] { display: none !important; }
html[data-lang="en"] body [lang="cs"] { display: none !important; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }

/* ---------- top bar ---------- */
header.site { position: sticky; top: 0; z-index: 20; backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px); background: color-mix(in srgb, var(--bg) 82%, transparent); border-bottom: 1px solid var(--hairline); }
header.site .wrap { display: flex; align-items: center; gap: 18px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font: 700 13px/1 var(--mono); letter-spacing: .18em; }
.brand .rec { width: 10px; height: 10px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 0 color-mix(in srgb, var(--signal) 60%, transparent); animation: rec 1.6s ease-out infinite; }
header.site nav { margin-left: auto; display: flex; align-items: center; gap: 4px; }
header.site nav a { color: var(--ink2); text-decoration: none; font: 600 14px/1 var(--sans); padding: 10px 12px; border-radius: 999px; }
header.site nav a:hover, header.site nav a[aria-current="page"] { color: var(--ink); background: var(--surface); }
.lang { display: inline-flex; background: var(--sunken); border-radius: 999px; padding: 3px; margin-left: 6px; }
.lang button { font: 700 11px/1 var(--mono); letter-spacing: .12em; border: 0; background: transparent; color: var(--ink2); padding: 7px 10px; border-radius: 999px; cursor: pointer; }
html[data-lang="cs"] .lang [data-set="cs"], html[data-lang="en"] .lang [data-set="en"] { background: var(--ink); color: var(--bg); }
@media (max-width: 720px) { header.site nav a.hide-sm { display: none; } }

/* ---------- LCD ---------- */
.lcd {
  position: relative; overflow: hidden;
  background: var(--display);
  background-image: radial-gradient(var(--dot-off) 1.15px, transparent 1.35px);
  background-size: 7px 7px;
  border-radius: 28px;
  border: 1px solid rgba(255,255,255,.10);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 30px 60px -30px rgba(0,0,0,.45);
  color: var(--signal);
}
.lcd::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(255,255,255,.06), transparent 40%); pointer-events: none; }
.label { font: 600 11px/1.4 var(--mono); letter-spacing: .14em; text-transform: uppercase; }
.lcd .label { color: var(--signal); }
.lcd .row { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.lcd .blink { animation: blink 1s steps(2, start) infinite; }

/* hero display (nahrávám → přepisuji → hotovo), animated by hero.js */
.dev { margin-top: 22px; aspect-ratio: 1000 / 340; container-type: inline-size; --pad: 3.2cqw; --slot-h: 3.4cqw; }
.dev .label { font-size: clamp(9px, 1.15cqw, 13px); letter-spacing: .16em; }
.dev .dim { opacity: .55; }
.dev-top, .dev-bot { position: absolute; left: var(--pad); right: var(--pad); display: flex; justify-content: space-between; z-index: 2; }
.dev-top { top: 3cqw; } .dev-bot { bottom: 3cqw; }
.dev-state { display: inline-flex; gap: .8em; align-items: center; }
.dev-state .dot { width: .8em; height: .8em; border-radius: 50%; background: var(--signal); }
.dev-time { position: absolute; left: var(--pad); top: 50%; transform: translateY(-58%); font: 800 13.5cqw/1 var(--sans); letter-spacing: -.04em; color: var(--signal); font-variant-numeric: tabular-nums; white-space: nowrap; }
.dev-name { position: absolute; right: var(--pad); top: 29%; font: 800 7.4cqw/1 var(--sans); letter-spacing: -.045em; color: #EDEDE9; }
.dev-slot { position: absolute; right: var(--pad); top: 51%; height: var(--slot-h); overflow: hidden; text-align: right; font: 600 2.6cqw/var(--slot-h) var(--sans); color: rgba(237,237,233,.6); }
.dev-slot > div { display: flex; flex-direction: column; transform: translateY(calc(var(--k, 0) * -1 * var(--slot-h))); }
.dev-meter { position: absolute; left: var(--pad); right: var(--pad); bottom: 9.6cqw; height: 1.6cqw; display: grid; grid-template-columns: repeat(48, 1fr); gap: .45cqw; }
.dev-meter i { border-radius: .3cqw; background: color-mix(in srgb, var(--signal) 12%, transparent); }
.dev-meter i.on { background: var(--signal); } .dev-meter i.hot { background: #FFB08A; }
@container (max-width: 620px) {
  .dev { --pad: 5.5cqw; --slot-h: 6.2cqw; }
  .dev-time { top: 30%; font-size: 19cqw; }
  .dev-name { left: var(--pad); right: auto; top: 47%; font-size: 11cqw; }
  .dev-slot { left: var(--pad); right: auto; top: 64%; text-align: left; font-size: 4.3cqw; }
  .dev-meter { bottom: 13cqw; height: 2.6cqw; grid-template-columns: repeat(32, 1fr); }
  .dev-meter i:nth-child(n+33) { display: none; }
  .dev-top { top: 5cqw; } .dev-bot { bottom: 5cqw; }
}
@media (max-width: 620px) { .dev { aspect-ratio: 10 / 7.5; } }
.status { opacity: .75; }

/* ---------- hero ---------- */
.hero { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; padding: 56px 0 30px; }
.two-tone { font-size: clamp(42px, 7vw, 78px); line-height: .98; letter-spacing: -0.035em; font-weight: 800; margin: 0 0 22px; }
.two-tone span { display: block; color: var(--ink3); }
.lead { font-size: 20px; line-height: 1.5; color: var(--ink2); max-width: 34em; margin: 0 0 28px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.badge {
  display: inline-flex; align-items: center; gap: 12px; text-decoration: none;
  background: #000; color: #fff; border-radius: 14px; padding: 11px 18px 11px 14px;
  border: 1px solid rgba(255,255,255,.14); box-shadow: 0 10px 24px -14px rgba(0,0,0,.6);
  transition: transform .2s cubic-bezier(.3,.7,.4,1.4);
}
.badge:hover { transform: translateY(-2px); }
.badge .ico { width: 30px; height: 30px; border-radius: 8px; background: url(img/icon-512.png) center/cover; }
.badge small { display: block; font: 600 10px/1.2 var(--mono); letter-spacing: .12em; text-transform: uppercase; opacity: .7; }
.badge strong { display: block; font: 700 18px/1.15 var(--sans); }
.badge.muted { background: var(--surface); color: var(--ink); border-color: var(--hairline); box-shadow: none; cursor: default; }
.badge.muted .ico { filter: grayscale(1); opacity: .6; }
.soon { font: 700 10px/1 var(--mono); letter-spacing: .12em; color: #fff; background: var(--signal); border-radius: 999px; padding: 4px 7px; margin-left: 4px; vertical-align: middle; }

.phone { position: relative; justify-self: center; width: min(330px, 86%); animation: float 7s ease-in-out infinite; }
.phone .frame { background: #0b0b0b; border-radius: 54px; padding: 11px; box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.14), 0 0 0 1px rgba(0,0,0,.5), 0 60px 90px -45px rgba(0,0,0,.6); }
.phone .frame img { border-radius: 44px; }
.phone .island { position: absolute; top: 22px; left: 50%; transform: translateX(-50%); width: 30%; height: 26px; border-radius: 20px; background: #000; z-index: 2; }
.phone::before { content: ""; position: absolute; inset: 12% -10% -6% -10%; background: radial-gradient(closest-side, color-mix(in srgb, var(--signal) 28%, transparent), transparent); filter: blur(30px); z-index: -1; }

/* ---------- sections ---------- */
section.block { padding: 72px 0; }
.kicker { display: inline-flex; align-items: center; gap: 8px; color: var(--ink2); margin-bottom: 14px; }
.kicker::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--signal); }
h2 { font-size: clamp(30px, 4.6vw, 48px); line-height: 1.04; letter-spacing: -0.03em; margin: 0 0 18px; font-weight: 800; }
h2 span { color: var(--ink3); }
h3 { font-size: 19px; margin: 0 0 6px; letter-spacing: -0.01em; }
p { margin: 0 0 14px; }
.muted { color: var(--ink2); }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 30px; }
@media (max-width: 900px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid { grid-template-columns: 1fr; } }
.card { background: var(--surface); border: 1px solid var(--hairline); border-radius: var(--radius); padding: 22px; position: relative; }
.card p:last-child { margin-bottom: 0; }
.card .glyph { width: 38px; height: 38px; border-radius: 50%; background: var(--display); display: grid; place-items: center; margin-bottom: 16px; }
.card .glyph i { width: 10px; height: 10px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 12px var(--signal); }

/* screens gallery */
.gallery { display: flex; gap: 18px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 30px 20px 24px; margin: 0 -20px; scrollbar-width: none; }
.gallery::-webkit-scrollbar { display: none; }
.gallery figure { flex: 0 0 auto; width: min(260px, 70vw); margin: 0; scroll-snap-align: center; }
.gallery img { border-radius: 26px; box-shadow: 0 30px 50px -30px rgba(0,0,0,.5); transition: transform .4s cubic-bezier(.3,.7,.4,1); }
.gallery figure:hover img { transform: translateY(-6px) rotate(-.6deg); }

/* steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 30px; }
.step { background: var(--display); color: #fff; border-radius: var(--radius); padding: 22px; background-image: radial-gradient(var(--dot-off) 1.1px, transparent 1.3px); background-size: 7px 7px; }
.step .num { font: 800 54px/1 var(--mono); color: var(--signal); letter-spacing: -.04em; margin-bottom: 18px; }
.step h3 { color: #fff; }
.step p { color: rgba(255,255,255,.7); margin: 0; }

/* models */
.models { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 30px; }
.meter { display: flex; gap: 4px; }
.meter i { width: 16px; height: 7px; border-radius: 2px; background: var(--sunken); }
.meter i.on { background: var(--ink); }
.meters { display: grid; grid-template-columns: repeat(3, auto); justify-content: start; gap: 8px 22px; margin: 16px 0 6px; }
.chip { display: inline-block; font: 700 10px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; border: 1px solid color-mix(in srgb, var(--ink) 35%, transparent); border-radius: 999px; padding: 5px 9px; margin-left: 8px; vertical-align: middle; }
.chip.hot { background: var(--signal); border-color: var(--signal); color: #fff; }

/* privacy statement */
.statement { padding: 46px 40px; }
.statement h2 { color: #fff; }
.statement h2 span { color: rgba(255,255,255,.45); }
.statement p { color: rgba(255,255,255,.72); max-width: 40em; }
.statement ul { list-style: none; padding: 0; margin: 24px 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 10px 24px; }
.statement li { color: #fff; display: flex; gap: 10px; align-items: baseline; }
.statement li::before { content: ""; flex: 0 0 8px; height: 8px; border-radius: 50%; background: var(--signal); transform: translateY(-1px); }

/* doc pages */
.doc h1 { font-size: clamp(34px, 6vw, 52px); line-height: 1.02; letter-spacing: -0.03em; margin: 40px 0 6px; font-weight: 800; }
.doc h1 span { display: block; color: var(--ink3); }
.doc h2 { font-size: 23px; letter-spacing: -0.01em; margin: 38px 0 10px; }
.doc .card.signal { border-left: 4px solid var(--signal); }
dl.facts { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; margin: 0; }
dl.facts dt { font: 600 12px/1.7 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink3); }
dl.facts dd { margin: 0; }
details { background: var(--surface); border: 1px solid var(--hairline); border-radius: var(--radius); padding: 16px 20px; margin: 10px 0; }
details summary { cursor: pointer; font-weight: 650; list-style: none; }
details summary::-webkit-details-marker { display: none; }
details summary::after { content: "+"; float: right; color: var(--signal-ink); font-weight: 800; }
details[open] summary::after { content: "–"; }
details p { margin: 10px 0 0; color: var(--ink2); }

/* footer */
footer.site { border-top: 1px solid var(--hairline); margin-top: 60px; padding: 34px 0 48px; color: var(--ink3); font-size: 14px; }
footer.site .wrap { display: flex; flex-wrap: wrap; gap: 14px 28px; align-items: center; justify-content: space-between; }
footer.site nav { display: flex; gap: 18px; flex-wrap: wrap; }
footer.site a { color: var(--ink2); text-decoration: none; }
footer.site a:hover { color: var(--ink); }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }

@keyframes blink { to { visibility: hidden; } }
@keyframes rec { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--signal) 55%, transparent); } 100% { box-shadow: 0 0 0 10px transparent; } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 34px; padding-top: 40px; }
  .steps, .models { grid-template-columns: 1fr; }
  .statement { padding: 32px 22px; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .dev { border-radius: 22px; }
  .lcd .row .label:last-child { display: none; }
  .lead { font-size: 18px; }
  dl.facts { grid-template-columns: 1fr; gap: 0; }
  dl.facts dd { margin-bottom: 8px; }
}