/* =========================================================
   JH — styly
   Rozměry jsou ve vw podle návrhu (šířka 1458 px),
   takže web drží proporce na všech šířkách desktopu.
   ========================================================= */

:root {
  --bg: #111111;
  --fg: #f1f0ed;
  --muted: #5a5a5a;     /* „FULL STUCK DESIGNERKA“ */
  --label: #767676;     /* „VZDĚLÁNÍ:“, „SKILLS:“ … */
  --img-bg: #1b1b1b;

  --pad: 2.2vw;                       /* okraj stránky */
  --col: 26.25vw;                     /* šířka sloupce */
  --col1: calc(29.2vw - var(--pad));  /* první sloupec (logo) */

  --fs-nav: clamp(11px, 0.82vw, 16px);
  --fs-h: clamp(20px, 1.78vw, 36px);
  --fs-s: clamp(11px, 0.8vw, 15px);

  --font: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { background: var(--bg); -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { display: block; max-width: 100%; }
::selection { background: var(--fg); color: var(--bg); }

/* ---------- Mřížka 4 sloupců ---------- */
.grid {
  display: grid;
  grid-template-columns: var(--col1) var(--col) var(--col) 1fr;
  padding: 0 var(--pad);
}

/* ---------- Hlavička ---------- */
.site-header {
  position: relative;
  z-index: 3;
  padding-top: 1.05vw;
  align-items: start;
}
.logo { display: inline-block; width: max(1.95vw, 26px); }
.logo img { width: 100%; height: auto; }
.site-header nav { display: contents; }
.site-header nav a {
  font-size: var(--fs-nav);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding-top: 0.55vw;
  justify-self: start;
  transition: opacity .2s;
}
.site-header nav a:hover,
.site-header nav a[aria-current="page"] { opacity: .55; }

/* ---------- Typografie ---------- */
.title {
  font-size: var(--fs-h);
  font-weight: 700;
  line-height: 1.26;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}
.title .sub { display: block; color: var(--muted); }

.small {
  font-size: var(--fs-s);
  line-height: 1.36;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.small p + p { margin-top: 1.36em; }
.small a:hover { opacity: .55; }
.label { color: var(--label); display: block; }
.stack span { display: block; }
.stack + .label { margin-top: 1.36em; }

/* ---------- Úvod + About (jedna obrazovka) ---------- */
.screen {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.screen-title { padding-top: 2.45vw; position: relative; z-index: 2; }

.screen-bottom {
  margin-top: auto;
  padding-top: 4vw;
  padding-bottom: 3.1vw;
  align-items: start;
  position: relative;
  z-index: 2;
}
.screen-bottom > * { padding-right: 2vw; }
.contact { grid-column: 4; }

.big-links { grid-column: 1 / span 2; }
.big-links a {
  display: table;
  font-size: var(--fs-h);
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  margin-bottom: 1.4vw;
  transition: transform .25s ease, opacity .2s;
}
.big-links a:last-child { margin-bottom: 0; }
.big-links a:hover { transform: translateX(.6vw); opacity: .7; }

.about-bio { max-width: 22vw; }

/* ---------- 3D plátno ---------- */
.stage {
  position: absolute;
  z-index: 1;
  top: 3.6vw;
  left: 56.6vw;
  width: 40vw;
  height: min(33vw, 62vh);
  opacity: 0;
  transition: opacity .8s ease;
}
.stage.is-ready { opacity: 1; }
.stage canvas { display: block; width: 100% !important; height: 100% !important; }
.stage.no-webgl {
  opacity: 1;
  background: url('../assets/logo.svg') center / contain no-repeat;
}

/* ---------- Maskované animace ---------- */
.rv-pending body { opacity: 0; }
.rv { overflow: hidden; }
span.rv { display: block; }
.rv-i { display: block; will-change: transform; }

/* velké odkazy: vyšší řádek, aby maska neuřízla háčky a čárky (Š, Č, Á) */
.big-links a { line-height: 1.18; margin-bottom: 1.05vw; }
.big-links.single { grid-column: 1; }
.stack span span { display: inline; }

/* Call me: velké telefonní číslo a e-mail */

/* Výběr portfolia: roky a typy */
.select-list a { display: table; transition: opacity .2s, transform .25s ease; }
.select-list a:hover { opacity: .55; transform: translateX(.4vw); }
.select-list .count { color: var(--label); display: inline; }

/* široký nápis .jH·026 na úvodu: přes celou šířku mezi nadpisem a odkazy */
.stage.stage-wide {
  left: 0.8vw;
  width: 98.4vw;
  top: 9.5vw;
  height: min(30vw, calc(100vh - 24vw));
}

/* ---------- Portfolio (jedna obrazovka) ---------- */
.page-portfolio { overflow: hidden; height: 100vh; height: 100svh; }
.pf { padding-top: 1.1vw; }

.pf-frame {
  position: relative;
  margin: 0 0.8vw;
  height: min(39vw, calc(100vh - 17vw));
  overflow: hidden;
  background: var(--img-bg);
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}
@media (hover: hover) and (pointer: fine) {
  .pf-frame.is-ready { cursor: none; }
}
.pf-msg {
  position: absolute;
  inset: auto var(--pad) var(--pad);
  font-size: var(--fs-s);
  letter-spacing: .04em;
  line-height: 1.5;
  color: var(--fg);
}
.file-warning {
  position: fixed;
  left: 16px; right: 16px; bottom: 16px;
  z-index: 100;
  padding: 16px 18px;
  background: var(--fg);
  color: var(--bg);
  font: 13px/1.5 var(--font);
}
.file-warning code { font-weight: 700; }
.pf-slide {
  position: absolute;
  inset: 0;
  overflow: hidden;
  will-change: clip-path;
}
.pf-slide img,
.pf-slide video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  will-change: transform;
  pointer-events: none;
}

/* texty na černé ploše – pořád na stejném místě */
.pf-info { margin-top: 2.25vw; align-items: start; position: relative; }
.pf-head { padding-left: 0.75vw; }
.pf-text {
  padding-right: 5.3vw;
  text-transform: none;
  letter-spacing: 0.04em;
}
.pf-measure {
  position: absolute;
  visibility: hidden;
  pointer-events: none;
  left: 0; top: 0;
  text-transform: none;
  letter-spacing: 0.04em;
}
.pf-measure span { display: inline; }
.ln .rv-i { white-space: nowrap; }

/* vlastní kurzor nad obrázkem */
.cursor {
  position: fixed;
  left: 0; top: 0;
  z-index: 10;
  pointer-events: none;
  mix-blend-mode: difference;
  color: #fff;
}
.cursor-label {
  display: block;
  transform: translate(-50%, -50%) scale(.6);
  opacity: 0;
  font-size: var(--fs-nav);
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: opacity .3s, transform .5s cubic-bezier(.19,1,.22,1);
}
.cursor.is-on .cursor-label { opacity: 1; transform: translate(-50%, -50%) scale(1); }
@media (hover: none) { .cursor { display: none; } }

/* ---------- 404 ---------- */
.page-404 .stage { left: 30vw; }
.msg {
  position: absolute;
  top: 44.7vw;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.msg a { display: inline-block; margin-top: 4.3vw; }
.msg a:hover { opacity: .55; }
@media (max-aspect-ratio: 16/10) and (min-width: 761px) {
  .msg { top: auto; bottom: 7vh; }
}

/* ---------- Mobil ---------- */
@media (max-width: 760px) {
  :root { --pad: 18px; }
  .grid { grid-template-columns: 1fr 1fr 1fr; column-gap: 12px; }
  .site-header { padding-top: 16px; row-gap: 22px; }
  .logo { grid-column: 1 / -1; width: 30px; }
  .site-header nav a { padding-top: 0; }

  .screen-title { padding-top: 32px; }
  .stage,
  .stage.stage-wide,
  .page-404 .stage {
    position: relative;
    top: auto; left: auto;
    width: 100%;
    height: 88vw;
    margin: 10px 0;
  }
  .screen-bottom { padding-top: 12px; padding-bottom: 28px; row-gap: 32px; }
  .screen-bottom > * { grid-column: 1 / -1; padding-right: 0; }
  .contact { grid-column: 1 / -1; }
  .big-links a { margin-bottom: 14px; }
  .about-bio { max-width: none; }

  .page-portfolio { overflow: auto; height: auto; }
  .pf { padding-top: 22px; }
  .pf-frame { margin: 0 8px; height: auto; aspect-ratio: 4 / 3; touch-action: pan-y; }
  .pf-info { margin-top: 18px; row-gap: 0; padding-bottom: 40px; }
  .pf-info > * { grid-column: 1 / -1; }
  .pf-head { padding-left: 0; margin-bottom: 16px; }
  .pf-text { padding-right: 0; }
  .pf-tags { margin-top: 16px; }

  .msg { position: static; transform: none; padding: 24px var(--pad) 40px; text-align: left; }
  .msg a { margin-top: 32px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/* vypnuté stránky (js/pages.js): v menu zůstane místo, jinde odkaz zmizí */
.site-header nav a.is-off { visibility: hidden; }
a.is-off:not(.site-header nav a) { display: none; }

/* písmena při animaci (js/motion.js → letters) */
.ch { display: inline-block; white-space: pre; will-change: transform, opacity; }

/* galerie: video a 3D model */
.pf-slide video { display: block; }
.pf-model {
  width: 100%; height: 100%;
  background: radial-gradient(ellipse at 50% 45%, #3a3a3a 0%, #232323 70%);
}
.pf-model canvas { display: block; width: 100% !important; height: 100% !important; }