/* WanderWay — produktová stránka.
   Paleta vychází z aplikace: tmavý podklad, korálová #FF6663, skleněné plochy. */

:root {
  --coral: #ff6663;
  --coral-2: #e76f51;
  --bg: #0b0d12;
  --bg-2: #11141c;
  --glass: rgba(255, 255, 255, .05);
  --line: rgba(255, 255, 255, .1);
  --ink: #f4f5f8;
  --body: #a2a9bb;
  --wrap: 1180px;
  --font: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;

  /* rozměry telefonu */
  --pw: 300px;
  --ph: 620px;
  --pd: 18px;
}

* { box-sizing: border-box; }

/* overflow-x: clip (ne hidden) — nevytvoří scroll kontejner, takže sticky scéna funguje dál */
html { scroll-behavior: smooth; background: var(--bg); overflow-x: clip; }
body { overflow-x: clip; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  color: var(--body);
  background:
    radial-gradient(900px 600px at 15% -5%, rgba(255, 102, 99, .16), transparent 60%),
    radial-gradient(800px 700px at 95% 20%, rgba(231, 111, 81, .1), transparent 65%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { color: var(--ink); line-height: 1.15; margin: 0 0 .5em; font-weight: 700; letter-spacing: -.025em; }
h1 { font-size: clamp(2.3rem, 6vw, 4.2rem); }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1rem; }
a { color: inherit; }

.wrap { width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto; }
.center { text-align: center; }
.lead { font-size: 1.14rem; }
.fineprint { font-size: .86rem; opacity: .7; }

.skip { position: absolute; left: -9999px; background: var(--coral); color: #1a0b0b; padding: .6rem 1rem; z-index: 100; }
.skip:focus { left: 0; top: 0; }
:focus-visible { outline: 3px solid var(--coral); outline-offset: 3px; border-radius: 6px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(11, 13, 18, .72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 1rem; min-height: 62px; }
.logo { display: flex; align-items: center; gap: .55rem; text-decoration: none; color: var(--ink); font-weight: 700; }
.logo-mark {
  width: 22px; height: 22px; border-radius: 50% 50% 4px 50%; transform: rotate(45deg);
  background: linear-gradient(140deg, var(--coral), var(--coral-2));
}
.by { margin-left: auto; font-size: .86rem; text-decoration: none; color: var(--body); }
.by strong { color: var(--ink); }
.by:hover { color: var(--coral); }

/* Výběr jazyka — dropdown, ať v hlavičce zbude místo na účet */
.lang { position: relative; flex: 0 0 auto; }
.lang-btn {
  font: inherit; font-size: .74rem; font-weight: 600; letter-spacing: .05em;
  display: flex; align-items: center; gap: .35rem;
  padding: .32rem .5rem; border: 1px solid var(--line); background: transparent;
  color: var(--body); border-radius: 9px; cursor: pointer;
}
.lang-btn:hover { color: var(--ink); border-color: var(--coral); }
.lang-caret { width: 9px; height: 6px; flex: 0 0 auto; opacity: .75; }
.lang-btn[aria-expanded="true"] .lang-caret { transform: rotate(180deg); }

.lang-menu {
  position: absolute; top: calc(100% + .45rem); right: 0; z-index: 80;
  min-width: 9.5rem; margin: 0; padding: .3rem; list-style: none;
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 12px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, .45);
}
.lang-menu[hidden] { display: none; }
.lang-menu button {
  font: inherit; font-size: .9rem; width: 100%; text-align: left;
  padding: .45rem .6rem; border: 0; border-radius: 8px;
  background: transparent; color: var(--body); cursor: pointer;
}
.lang-menu button:hover { background: rgba(255, 255, 255, .07); color: var(--ink); }
.lang-menu button[aria-selected="true"] { background: var(--coral); color: #1a0b0b; font-weight: 600; }

/* Vlaječky u jazyků. `.flag` vykresluje assets/flags.js; vnitřní stín dělá
   rámeček, aby bílý pruh na světlém podkladu nesplynul s okolím. */
.flag {
  width: 20px; height: 14px; flex: 0 0 auto; display: block;
  border-radius: 2px; box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .22);
}
.lang-flag { display: flex; flex: 0 0 auto; }
.lang-menu button { display: flex; align-items: center; gap: .5rem; }


@media (max-width: 620px) {
  .by { display: none; }
  .lang { margin-left: auto; }
  /* Na úzkém displeji zbývá na hlavičku málo místa — zůstane jen glóbus a kód. */
  .lang-caret { display: none; }
  .lang-btn { padding: .32rem .45rem; gap: .25rem; }
  .header-inner { gap: .5rem; }
}

/* ---------- Hero ---------- */
.hero { padding: clamp(4rem, 12vh, 8rem) 0 clamp(3rem, 8vh, 5rem); }
.hero-inner { max-width: 860px; }
.badge {
  display: inline-block; font-size: .76rem; font-weight: 600; letter-spacing: .12em;
  text-transform: uppercase; color: var(--coral);
  border: 1px solid rgba(255, 102, 99, .4); border-radius: 999px;
  padding: .32rem .85rem; margin-bottom: 1.4rem;
}
.hero .lead { max-width: 56ch; }
.scroll-hint { margin-top: 3rem; font-size: .84rem; letter-spacing: .12em; text-transform: uppercase; opacity: .6; }
.scroll-hint::after {
  content: ""; display: block; width: 1px; height: 46px; margin-top: .8rem;
  background: linear-gradient(180deg, var(--coral), transparent);
}

/* ---------- Scroll příběh ---------- */
.story { position: relative; }

.stage {
  position: sticky; top: 0; height: 100vh; height: 100svh;
  display: grid; place-items: center;
  pointer-events: none; z-index: 2;
}
.stage-inner { perspective: 1400px; perspective-origin: 50% 45%; position: relative; }
/* měkká záře za telefonem, aby silueta nesplynula s pozadím */
.stage-inner::before {
  content: ""; position: absolute; top: 50%; left: 50%;
  width: calc(var(--pw) * 2.1); height: calc(var(--ph) * 1.15);
  transform: translate(-50%, -50%);
  background: radial-gradient(ellipse at center, rgba(255, 102, 99, .18), transparent 62%);
  filter: blur(14px); pointer-events: none;
}

/* Telefon je na pravé polovině, text na levé */
@media (min-width: 940px) {
  .stage { justify-items: end; }
  .stage-inner { width: 50vw; display: grid; place-items: center; }
}

/* Když se rozjede WebGL, CSS maketa se schová a scénu vyplní plátno.
   Bez WebGL (nebo když se three.js nenačte) zůstane v provozu maketa. */
.stage.is-3d .stage-inner { height: 100%; }
.stage.is-3d .phone3d { display: none; }
.phone-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

.phone3d {
  position: relative;
  width: var(--pw); height: var(--ph);
  transform-style: preserve-3d;
  transform: rotateY(-8deg) rotateX(4deg);
  will-change: transform;
  /* Pozor: filter (drop-shadow) by tady zploštil 3D scénu — stín řeší .face a záře pod telefonem. */
}
.face, .side, .edge, .key { position: absolute; }

/* Rám telefonu: titanový přechod s ostrými odlesky na hranách */
.face {
  inset: 0; border-radius: 46px; backface-visibility: hidden;
  background:
    linear-gradient(112deg,
      #6d7381 0%, #454b58 6%, #22262f 14%, #171a22 30%, #13161d 52%,
      #1a1e26 70%, #3d4351 86%, #767d8c 93%, #23272f 100%);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, .26),
    inset 0 0 0 3px rgba(0, 0, 0, .6),
    inset 0 1px 16px rgba(255, 255, 255, .1),
    0 34px 60px rgba(0, 0, 0, .55);
  padding: 7px;
}
.face-front { transform: translateZ(calc(var(--pd) / 2)); }
.face-back { transform: translateZ(calc(var(--pd) / -2)) rotateY(180deg); }

/* ---- Záda: matné sklo + fotomodul ---- */
.back-glass {
  position: absolute; inset: 7px; border-radius: 39px;
  background:
    radial-gradient(120% 80% at 22% 12%, rgba(255, 255, 255, .07), transparent 55%),
    linear-gradient(155deg, #262b35 0%, #171b22 38%, #10131a 62%, #1d222b 100%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .07);
}
.cam {
  position: absolute; top: 3.6%; left: 5%;
  width: 43%; aspect-ratio: 1; border-radius: 30%;
  background: linear-gradient(150deg, #333944, #191d25 55%, #232832);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, .13),
    0 3px 10px rgba(0, 0, 0, .5);
}
.lens {
  position: absolute; width: 39%; aspect-ratio: 1; border-radius: 50%;
  background:
    radial-gradient(circle at 34% 28%, #4a5a72 0%, #1b2331 38%, #05070c 72%),
    #05070c;
  box-shadow:
    inset 0 0 0 2px rgba(255, 255, 255, .1),
    0 0 0 2px #2b313c, 0 0 0 3px rgba(255, 255, 255, .08);
}
.lens::after {
  content: ""; position: absolute; inset: 26%; border-radius: 50%;
  background: radial-gradient(circle at 40% 34%, rgba(120, 190, 255, .5), rgba(20, 60, 110, .18) 55%, transparent 70%);
}
/* Dvě čočky vlevo nad sebou, třetí vpravo uprostřed modulu. */
.lens-a { top: 7%; left: 7%; }
.lens-b { bottom: 7%; left: 7%; }
.lens-c { top: 50%; right: 7%; transform: translateY(-50%); }
.lidar {
  position: absolute; bottom: 11%; right: 12%; width: 14%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle at 40% 35%, #2a3242, #0a0d13 70%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .1);
}
.flash {
  position: absolute; top: 9%; right: 10%; width: 17%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle at 45% 40%, #fff6e2, #f0c98a 45%, #6d5a3c 75%, #23282f);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .18);
}

/* Boky nejdou až do rohů — jinak by kolem zaobleného těla svítil ostrý obdélník. */
.side {
  top: 4%; height: 92%; width: var(--pd);
  left: calc(50% - var(--pd) / 2);
  background: linear-gradient(90deg, #0c0e13 0%, #262b35 26%, #3d4351 42%, #1b1f27 64%, #0c0e13 100%);
  border-radius: 3px;
}
.side-l { transform: rotateY(-90deg) translateZ(calc(var(--pw) / 2)); }
.side-r { transform: rotateY(90deg) translateZ(calc(var(--pw) / 2)); }
/* Anténní předěly v rámu */
.side::before, .side::after {
  content: ""; position: absolute; left: 0; width: 100%; height: 2px;
  background: rgba(255, 255, 255, .16);
}
.side::before { top: 16%; }
.side::after { bottom: 16%; }
.edge {
  left: 8%; width: 84%; height: var(--pd);
  top: calc(50% - var(--pd) / 2);
  /* Horní a spodní hrana je skoro pořád mimo pohled — ať nesvítí přes sklo. */
  background: linear-gradient(180deg, #0a0c11 0%, #191d25 50%, #0a0c11 100%);
  border-radius: 3px;
}
.edge-t { transform: rotateX(90deg) translateZ(calc(var(--ph) / 2)); }
.edge-b { transform: rotateX(-90deg) translateZ(calc(var(--ph) / 2)); }

/* Boční tlačítka — sedí těsně na hraně rámu */
/* Široké ploché slabiky, ne tenké zaoblené proužky. */
.key {
  width: calc(var(--pd) * 0.42); border-radius: 99px;
  background: linear-gradient(90deg, #3f4553, #8790a3 45%, #262b35);
  box-shadow: 0 0 2px rgba(0, 0, 0, .6);
}
.key-power {
  height: 16%; top: 22%; left: calc(50% - var(--pd) * 0.41);
  transform: rotateY(90deg) translateZ(calc(var(--pw) / 2 + 1px));
}
.key-vol-up, .key-vol-dn, .key-action {
  height: 9%; left: calc(50% - var(--pd) * 0.41);
  transform: rotateY(-90deg) translateZ(calc(var(--pw) / 2 + 1px));
}
.key-action { top: 13%; height: 7%; }
.key-vol-up { top: 25%; }
.key-vol-dn { top: 36%; }

.bezel {
  position: absolute; inset: 7px; border-radius: 39px; overflow: hidden;
  background: #05070b;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .1), inset 0 0 22px rgba(0, 0, 0, .9);
}

/* Dynamic island s náznakem objektivu */
.island {
  position: absolute; top: 11px; left: 50%; transform: translateX(-50%);
  width: 42%; height: 22px; border-radius: 99px; background: #000; z-index: 5;
  display: flex; align-items: center; justify-content: flex-end; padding-right: 7px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .05);
}
.island i {
  width: 8px; height: 8px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #2c3f5c, #060a12 65%);
  box-shadow: 0 0 0 1px rgba(120, 160, 220, .18);
}
/* Lišta gesta u spodní hrany */
.home {
  position: absolute; bottom: 8px; left: 50%; transform: translateX(-50%);
  width: 36%; height: 4px; border-radius: 99px; background: rgba(255, 255, 255, .5); z-index: 5;
}
.glare {
  position: absolute; inset: 0; z-index: 4; pointer-events: none;
  background:
    linear-gradient(118deg, rgba(255, 255, 255, .16) 0%, rgba(255, 255, 255, .04) 22%,
      rgba(255, 255, 255, 0) 44%, rgba(255, 255, 255, 0) 74%, rgba(255, 255, 255, .07) 100%),
    radial-gradient(120% 60% at 15% 0%, rgba(255, 255, 255, .1), transparent 55%);
}

.screens { position: absolute; inset: 0; }
.screen {
  position: absolute; inset: 0; opacity: 0;
  display: grid; place-items: center;
  background: linear-gradient(170deg, #141826, #0a0c13);
}
.screen img { width: 100%; height: 100%; object-fit: cover; display: block; }
.screen.is-missing img { display: none; }

/* Zástupný obsah, dokud nejsou nahrané screenshoty */
.screen-ph {
  display: none; text-align: center; color: #5f6883; font-size: .8rem; letter-spacing: .04em;
  padding: 1rem;
}
.screen.is-missing .screen-ph { display: grid; gap: .3rem; }
.screen-ph b { color: #9aa3bd; font-size: .92rem; }
.screen-ph small { opacity: .7; }

/* Postranní ukazatel s kotvami (jen na širokých obrazovkách) */
.rail {
  position: fixed; left: 1.6rem; top: 50%; transform: translateY(-50%);
  z-index: 40; display: none; flex-direction: column; gap: .95rem;
  opacity: 0; transition: opacity .35s ease; pointer-events: none;
}
.rail.is-visible { opacity: 1; pointer-events: auto; }
.rail a {
  display: flex; align-items: center; gap: .7rem; text-decoration: none;
  color: var(--body); padding: .2rem 0;
}
.rail .tick {
  width: 16px; height: 2px; border-radius: 2px; background: rgba(255, 255, 255, .25);
  transition: width .3s ease, background .3s ease;
}
.rail .lbl {
  display: none;
  font-size: .7rem; letter-spacing: .14em; text-transform: uppercase;
  opacity: 0; transform: translateX(-4px); transition: opacity .3s ease, transform .3s ease;
  white-space: nowrap;
}
.rail a:hover .tick { background: rgba(255, 255, 255, .55); }
.rail a:hover .lbl { opacity: .8; transform: none; }
.rail a.on .tick { width: 34px; background: var(--coral); }
.rail a.on .lbl { opacity: 1; transform: none; color: var(--ink); }

/* Ukazatel se vejde vedle textu až od téhle šířky, text mu proto uhne doprava. */
@media (min-width: 1080px) {
  .rail { display: flex; }
  .panels { padding-left: 5rem; }
}
/* Na širokém displeji je místo i na popisky. */
@media (min-width: 1400px) { .rail .lbl { display: block; } }

/* Puntíky s pořadím scény */
.dots {
  position: absolute; left: 50%; bottom: 2.2rem; transform: translateX(-50%);
  display: flex; gap: .5rem; list-style: none; margin: 0; padding: 0;
}
.dots li { width: 7px; height: 7px; border-radius: 50%; background: rgba(255, 255, 255, .22); transition: all .3s ease; }
.dots li.on { background: var(--coral); width: 22px; border-radius: 99px; }

@media (min-width: 940px) {
  .dots { left: 75%; }
}

/* Textové panely */
.panels { position: relative; z-index: 3; margin-top: -100vh; }
.panel {
  min-height: 100vh; min-height: 100svh;
  display: grid; align-items: center;
  padding: 4rem 0;
}
.panel-box {
  width: min(100% - 2.5rem, calc(var(--wrap) / 2 - 1rem));
  margin-left: max(1.25rem, calc((100vw - var(--wrap)) / 2));
  opacity: .25; transform: translateY(24px);
  transition: opacity .5s ease, transform .5s ease;
}
.panel.is-active .panel-box { opacity: 1; transform: none; }

.step { font-size: .78rem; letter-spacing: .16em; text-transform: uppercase; color: var(--coral); margin-bottom: .7rem; }
.panel-box p:not(.step) { max-width: 46ch; }

.tags { display: flex; flex-wrap: wrap; gap: .5rem; list-style: none; padding: 0; margin: 1.4rem 0 0; }
.tags li {
  font-size: .82rem; padding: .32rem .8rem; border-radius: 999px;
  background: var(--glass); border: 1px solid var(--line); color: var(--ink);
  backdrop-filter: blur(6px);
}

@media (max-width: 939px) {
  /* Telefon se odvíjí od výšky okna, ať se vejde i na nízké displeje. */
  :root { --pw: 19.4vh; --ph: 40vh; --pd: 1.4vh; }
  /* padding-top = výška lepivé hlavičky, aby telefon nemizel pod ní */
  .stage { height: 50vh; height: 50svh; align-content: center; padding-top: 62px; }
  .stage-inner { perspective: 900px; }
  .dots { bottom: .4rem; }
  .panels { margin-top: -50vh; }
  .panel { min-height: 100vh; align-items: center; padding: 52vh 0 3rem; }
  /* na mobilu text leží pod telefonem — ať se překrývají vždycky jen dva stavy, ne tři */
  .panel-box { margin-inline: auto; width: min(100% - 2.5rem, 640px); opacity: 0; }
  .panel-box p:not(.step) { max-width: none; }
}

/* Na velkém displeji má telefon větší prostor. */
@media (min-width: 1280px) {
  :root { --pw: 330px; --ph: 682px; --pd: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .phone3d { transform: none !important; }
  .panel-box { opacity: 1; transform: none; transition: none; }
}

/* ---------- Závěr ---------- */
.outro { padding: clamp(4rem, 10vw, 7rem) 0 5rem; border-top: 1px solid var(--line); background: var(--bg-2); }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.25rem; margin: 2.5rem 0 3.5rem; }
.card {
  background: var(--glass); border: 1px solid var(--line); border-radius: 18px; padding: 1.6rem 1.4rem;
  backdrop-filter: blur(8px);
}
.card p { margin: 0; font-size: .96rem; }
.cta .lead { max-width: 46ch; margin-inline: auto; }
.btn {
  display: inline-block; text-decoration: none; font-weight: 600;
  padding: .85rem 1.7rem; border-radius: 12px; margin-top: .6rem;
}
.btn-primary { background: var(--coral); color: #1a0b0b; }
.btn-primary:hover { background: #ff7f7c; }

/* ---------- Footer ---------- */
.site-footer { padding: 2.5rem 0; border-top: 1px solid var(--line); }
.footer-inner { display: flex; flex-wrap: wrap; gap: .5rem 2rem; justify-content: space-between; }
.site-footer p { margin: 0; font-size: .9rem; }
.site-footer strong { color: var(--ink); }
.site-footer a { color: var(--coral); text-decoration: none; }

/* ---------- Přesměrování do aplikace ----------

   Třídu `is-deeplink` nasazuje inline skript v hlavičce index.html, tedy ještě
   před prvním vykreslením. Skrytí obsahu je proto v CSS, ne v JS: kdyby to
   dělal až modul deeplink.js, marketingová stránka by na okamžik problikla.

   Panel se `.dl-panel` dokresluje z assets/deeplink.js. */
html.is-deeplink body > *:not(.dl-panel) { display: none; }
html.is-deeplink body { background: var(--bg); }

.dl-panel {
  position: fixed; inset: 0; z-index: 200;
  display: grid; place-items: center; padding: 1.5rem;
  background: var(--bg);
}
.dl-card {
  max-width: 26rem; text-align: center;
  display: grid; gap: .9rem; justify-items: center;
}
.dl-mark { width: 34px; height: 34px; }
.dl-msg { color: var(--body); margin: 0; }
.dl-card h2 { margin: 0; font-size: 1.4rem; }
.dl-card p { margin: 0; color: var(--body); }
.dl-actions { display: flex; flex-wrap: wrap; gap: .6rem; justify-content: center; margin-top: .4rem; }
.dl-btn {
  display: inline-block; padding: .7rem 1.25rem; border-radius: 12px;
  font-weight: 600; text-decoration: none;
  border: 1px solid var(--line); color: var(--ink);
}
.dl-btn:hover { border-color: var(--coral); }
.dl-btn-primary { background: var(--coral); border-color: var(--coral); color: #1a0b0b; }
.dl-btn-primary:hover { background: var(--coral-2); border-color: var(--coral-2); }
.dl-link {
  font: inherit; font-size: .9rem; background: none; border: 0; cursor: pointer;
  color: var(--body); text-decoration: underline; text-underline-offset: 3px;
}
.dl-link:hover { color: var(--ink); }