/* ==========================================================================
   Program pre rozvoj HTF VŠMU 2027 – 2031 · verzia 2 · spoločný základ
   Dva typografické hlasy podľa motta programu:
   – obsah  (výpovede, citáty, text programu): Newsreader
   – forma  (štruktúra, navigácia, údaje):      Poppins
   ========================================================================== */

/* ---------- Písma ---------- */
@font-face{font-family:"Poppins";src:url("assets/fonts/poppins-300.woff2") format("woff2");font-weight:300;font-style:normal;font-display:swap}
@font-face{font-family:"Poppins";src:url("assets/fonts/poppins-400.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Poppins";src:url("assets/fonts/poppins-500.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Poppins";src:url("assets/fonts/poppins-600.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Newsreader Display";src:url("assets/fonts/newsreader-display-400.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Newsreader Display";src:url("assets/fonts/newsreader-display-italic-400.woff2") format("woff2");font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:"Newsreader Text";src:url("assets/fonts/newsreader-text-400.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Newsreader Text";src:url("assets/fonts/newsreader-text-600.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Newsreader Text";src:url("assets/fonts/newsreader-text-italic-400.woff2") format("woff2");font-weight:400;font-style:italic;font-display:swap}
/* Metricky zladené náhradné písma: text pri načítaní písiem neposkakuje. */
@font-face{font-family:"Poppins Fallback";src:local("Arial"),local("ArialMT");size-adjust:111.4%;ascent-override:94.3%;descent-override:31.4%;line-gap-override:9%}
@font-face{font-family:"Newsreader Text Fallback";src:local("Georgia");size-adjust:92.1%;ascent-override:79.8%;descent-override:28.8%;line-gap-override:0%}
@font-face{font-family:"Newsreader Display Fallback";src:local("Georgia");size-adjust:97.7%;ascent-override:75.3%;descent-override:27.1%;line-gap-override:0%}

/* ---------- Tokeny ---------- */
:root{
  --yellow:#f7b91e;
  --yellow-hi:#ffc83a;
  --coral:#ff5463;
  --black:#0b0b0a;
  --ink:#121110;
  --paper:#faf8f3;
  --paper-2:#f2eee5;
  --stone:#66625a;
  --gold-ink:#7f5c00;
  --on-dark:#f3f0e8;

  --sans:"Poppins","Poppins Fallback",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  --serif:"Newsreader Text","Newsreader Text Fallback",Georgia,"Times New Roman",serif;
  --display:"Newsreader Display","Newsreader Display Fallback",Georgia,"Times New Roman",serif;

  --gutter:clamp(20px,4.6vw,72px);
  --shell:min(1320px,100% - 2 * var(--gutter));
  --col-gap:clamp(16px,2.2vw,32px);
  /* Vertikálny rytmus (4. 10. 2026): odsadenie sekcie, medzera nadpis → obsah, medzera medzi blokmi v sekcii. */
  --section:clamp(72px,7.5vw,120px);
  --head-gap:clamp(40px,4.4vw,72px);
  --block-gap:clamp(48px,5.5vw,88px);
  --header-h:68px;
  --ease:cubic-bezier(.16,1,.3,1);

  /* Tónové premenné svetlého podkladu; tmavé a žlté sekcie ich prepíšu. */
  --bg:var(--paper);
  --fg:var(--ink);
  --fg-2:#3b3833;
  --fg-3:var(--stone);
  --rule:rgba(18,17,16,.14);
  --rule-strong:var(--ink);
  --accent-ink:var(--gold-ink);
}
.theme-dark{--bg:var(--black);--fg:var(--on-dark);--fg-2:rgba(243,240,232,.74);--fg-3:rgba(243,240,232,.58);--rule:rgba(243,240,232,.15);--rule-strong:rgba(243,240,232,.5);--accent-ink:var(--yellow);background:var(--bg);color:var(--fg)}
.theme-yellow{--bg:var(--yellow);--fg:var(--ink);--fg-2:rgba(18,17,16,.82);--fg-3:rgba(18,17,16,.68);--rule:rgba(18,17,16,.22);--rule-strong:var(--ink);--accent-ink:var(--ink);background:var(--bg);color:var(--fg)}
.theme-paper-2{--bg:var(--paper-2);background:var(--bg)}

/* ---------- Základ ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;background:var(--black);scroll-padding-top:calc(var(--header-h) + 24px)}
body{margin:0;min-height:100vh;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;font-synthesis-weight:none;font-kerning:normal;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}
img,svg{display:block;max-width:100%}
img{height:auto}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:.24em}
/* Kým nie sú použité štýly, prechody sú vypnuté (site.js): WebKit vie vypočítať vzhľad ešte bez CSS
   a po príchode štýlov by prvky „prešli“ z predvolenej podoby – odkazy v hlavičke napr. z modrej. */
.is-styling,.is-styling *,.is-styling *::before,.is-styling *::after{transition:none!important}
button{font:inherit;color:inherit}
:where(h1,h2,h3,h4,p,blockquote,figure,ol,ul){margin:0}
:where(ol,ul){padding:0;list-style:none}
::selection{background:var(--yellow);color:var(--ink)}
:focus-visible{outline:2px solid var(--fg);outline-offset:3px}
.shell{width:var(--shell);margin-inline:auto}
.section{padding-block:var(--section)}
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.skip-link{position:fixed;left:16px;top:-100px;z-index:2000;padding:12px 18px;background:var(--yellow);color:var(--ink);font-weight:600;text-decoration:none}
.skip-link:focus{top:12px}

/* ---------- Typografické prvky ---------- */
.eyebrow{display:flex;align-items:center;gap:14px;margin-bottom:24px;font-family:var(--sans);font-size:12px;font-weight:500;line-height:1.35;letter-spacing:.16em;text-transform:uppercase;color:var(--fg-3)}
.eyebrow::before{content:"";flex:0 0 auto;width:24px;height:2px;background:var(--yellow)}
.theme-yellow .eyebrow::before{background:var(--ink)}
.display{font-family:var(--display);font-weight:400;font-size:clamp(38px,4.6vw,68px);line-height:1.05;letter-spacing:-.018em;color:var(--fg);text-wrap:balance}
.lede{font-family:var(--serif);font-size:clamp(18px,1.35vw,20px);line-height:1.6;color:var(--fg-3);text-wrap:pretty}
.icon{flex:0 0 auto;width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:square}

/* ---------- Tlačidlá a odkazy ---------- */
.button{--btn-bg:transparent;--btn-fg:var(--fg);--btn-bd:var(--rule-strong);display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:54px;padding:0 24px;border:1px solid var(--btn-bd);background:var(--btn-bg);color:var(--btn-fg);font-family:var(--sans);font-size:15px;font-weight:500;line-height:1.2;text-decoration:none;cursor:pointer;transition:background-color .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease)}
.button-text{display:flex;flex-wrap:wrap;align-items:baseline;column-gap:12px;row-gap:2px}
.button .icon{margin-left:auto;transition:transform .4s var(--ease)}
.button:hover .icon-arrow{transform:translateX(4px)}
.button:hover .icon-down{transform:translateY(3px)}
.button--primary{--btn-bg:var(--yellow);--btn-fg:var(--ink);--btn-bd:var(--yellow);font-weight:600}
.button--primary:hover{--btn-bg:var(--yellow-hi);--btn-bd:var(--yellow-hi)}
.button--ghost:hover{--btn-bg:var(--fg);--btn-fg:var(--bg);--btn-bd:var(--fg)}
.theme-dark .button--primary:focus-visible{outline-color:var(--on-dark)}
.file-meta{font-size:12px;font-weight:400;letter-spacing:.02em}
.button .file-meta{opacity:.8}
.text-link .file-meta{color:var(--fg-3)}
.text-link{display:inline-flex;flex-wrap:wrap;align-items:baseline;column-gap:12px;row-gap:2px;min-height:44px;padding-block:10px;font-size:15px;font-weight:500;line-height:1.35;color:var(--fg);text-decoration:none}
.text-link-label{text-decoration:underline;text-decoration-color:var(--rule-strong);text-decoration-thickness:1px;text-underline-offset:.32em;transition:text-decoration-color .25s,color .25s}
.text-link .icon{align-self:center}
.text-link .icon{transition:transform .4s var(--ease)}
.text-link:hover .text-link-label{text-decoration-color:currentColor}
.text-link:hover .icon-arrow{transform:translateX(4px)}
.text-link:hover .icon-down{transform:translateY(3px)}
.text-link--muted{color:var(--fg-3)}

/* ---------- Priebeh čítania ---------- */
.scroll-progress{position:fixed;inset:0 0 auto;z-index:120;height:2px;pointer-events:none}
.scroll-progress span{display:block;width:100%;height:100%;background:var(--coral);transform:scaleX(0);transform-origin:left}

/* ---------- Hlavička ---------- */
.site-header{position:fixed;inset:0 0 auto;z-index:100;height:var(--header-h);color:var(--on-dark);border-bottom:1px solid transparent;transition:background-color .45s var(--ease),border-color .45s var(--ease);view-transition-name:site-header}
.site-header.is-scrolled{background:rgba(11,11,10,.93);border-bottom-color:rgba(243,240,232,.1);-webkit-backdrop-filter:saturate(1.3) blur(16px);backdrop-filter:saturate(1.3) blur(16px)}
/* Otvorené menu: bez backdrop-filter, inak by sa z hlavičky stal kontajner pre fixný panel menu. */
.site-header.menu-open{background:var(--black);border-bottom-color:rgba(243,240,232,.1);-webkit-backdrop-filter:none;backdrop-filter:none}
.header-inner{width:var(--shell);height:100%;margin-inline:auto;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;gap:13px;min-height:44px;color:var(--on-dark);text-decoration:none}
.brand-mark{width:30px;height:30px;flex:0 0 auto}
.brand-text{display:grid;gap:4px;line-height:1.1}
.brand-text strong{font-size:14px;font-weight:600;letter-spacing:.02em}
.brand-text small{font-size:12px;font-weight:400;color:rgba(243,240,232,.64)}
.site-nav{display:flex;align-items:center;gap:2px}
.site-nav a{position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 13px;font-size:14px;font-weight:500;color:rgba(243,240,232,.72);text-decoration:none;transition:color .25s}
.site-nav a::after{content:"";position:absolute;left:13px;right:13px;bottom:8px;height:2px;background:var(--yellow);transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease)}
.site-nav a:hover,.site-nav a.is-current,.site-nav a[aria-current="page"]{color:var(--on-dark)}
.site-nav a:hover::after,.site-nav a.is-current::after,.site-nav a[aria-current="page"]::after{transform:scaleX(1)}
.site-nav .nav-cta{margin-left:14px;padding:0 18px;background:var(--yellow);color:var(--ink);font-weight:600}
.site-nav .nav-cta::after{display:none}
.site-nav .nav-cta:hover,.site-nav .nav-cta:focus-visible{background:var(--yellow-hi);color:var(--ink)}
.site-nav .nav-cta:focus-visible{outline-color:var(--on-dark)}
.nav-extra{display:none}
.menu-toggle{display:none;position:relative;width:48px;height:48px;margin-right:-12px;padding:0;border:0;background:none;color:var(--on-dark);cursor:pointer}
.menu-toggle i{position:absolute;left:13px;width:22px;height:1.5px;background:currentColor;transition:transform .45s var(--ease),top .45s var(--ease)}
.menu-toggle i:first-child{top:19px}
.menu-toggle i:nth-child(2){top:27px}
.menu-toggle[aria-expanded="true"] i:first-child{top:23px;transform:rotate(45deg)}
.menu-toggle[aria-expanded="true"] i:nth-child(2){top:23px;transform:rotate(-45deg)}/* Hlavička sa pri čítaní smerom nadol skryje a pri pohybe nahor sa vráti. */
.site-header{transition:transform .6s var(--ease),background-color .45s var(--ease),border-color .45s var(--ease)}
.site-header.is-hidden{transform:translate3d(0,-100%,0)}

/* ---------- Pätička ---------- */
.site-footer{padding:clamp(48px,4.6vw,72px) 0 28px;border-top:1px solid var(--rule)}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr) minmax(0,1.1fr) minmax(0,.9fr);gap:36px var(--col-gap)}
.footer-identity{display:flex;align-items:flex-start;gap:16px}
.footer-identity .brand-mark{width:36px;height:36px}
.footer-identity p{display:grid;gap:6px;line-height:1.25}
.footer-identity strong{font-size:18px;font-weight:600;letter-spacing:.01em}
.footer-identity span{font-size:12px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--fg-3)}
.footer-title{margin-bottom:8px;font-size:12px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--fg-3)}
.footer-nav a{display:flex;align-items:center;min-height:34px;font-size:15px;color:var(--fg-2);text-decoration:none;transition:color .2s}
.footer-nav a:hover{color:var(--fg);text-decoration:underline;text-decoration-color:var(--yellow)}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 32px;margin-top:clamp(36px,3.6vw,52px);padding-top:22px;border-top:1px solid var(--rule);font-size:13.5px;line-height:1.55;color:var(--fg-3)}
.footer-bottom strong{font-weight:500;color:var(--fg-2)}
.footer-note{display:block;margin-top:10px;font-size:12.5px;line-height:1.5;text-wrap:pretty}
.back-to-top{display:inline-flex;align-items:center;gap:10px;min-height:44px;font-size:14px;font-weight:500;color:var(--fg);text-decoration:none}
.back-to-top span{text-decoration:underline;text-decoration-color:var(--rule-strong);text-underline-offset:.32em}
.back-to-top .icon{transform:rotate(-90deg);transition:transform .4s var(--ease)}
.back-to-top:hover .icon{transform:rotate(-90deg) translateX(3px)}.footer-revision{font-size:12px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--fg-3)}

/* ---------- Postupné odkrývanie obsahu (čítačky) ---------- */
.js [data-reveal]{opacity:0;transform:translate3d(0,22px,0);transition:opacity 1s var(--ease),transform 1.2s var(--ease);transition-delay:var(--reveal-delay,0ms)}
.js [data-reveal].is-revealed{opacity:1;transform:none}

/* Prechod medzi stránkami (View Transitions, „opona“) bol 6. 10. 2026 odstránený: v Safari sa pri návrate
   na homepage nová stránka najprv ukázala, potom sa vrátil obraz starej a úvod sa odkryl druhýkrát –
   navyše súbežne s vlastnou úvodnou animáciou. Stránky sa teraz menia bežne, úvod sa prehrá raz. */
@media (prefers-reduced-motion:no-preference){
  html{scroll-behavior:smooth}
}

/* ---------- Responzivita spoločných prvkov ---------- */
@media (max-width:1180px){
  .site-nav a{padding-inline:10px}
  .site-nav a::after{left:10px;right:10px}
  .site-nav .nav-cta{margin-left:8px}
}
/* Mobilné menu: od 960 px nižšie (navigácia homepage má šesť položiek). */
@media (max-width:960px){
  :root{--header-h:64px}
  .menu-toggle{display:block}
  .site-nav{position:fixed;inset:var(--header-h) 0 0;z-index:99;display:flex;flex-direction:column;align-items:stretch;gap:0;padding:12px var(--gutter) 40px;overflow-y:auto;background:var(--black);opacity:0;visibility:hidden;transform:translateY(-10px);transition:opacity .3s var(--ease),transform .45s var(--ease),visibility 0s linear .45s}
  .site-nav.open{opacity:1;visibility:visible;transform:none;transition:opacity .3s var(--ease),transform .45s var(--ease),visibility 0s}
  .site-nav a{min-height:64px;padding:0;border-bottom:1px solid rgba(243,240,232,.12);font-family:var(--display);font-size:clamp(28px,7vw,38px);font-weight:400;color:var(--on-dark)}
  .site-nav a::after{display:none}
  .site-nav a.is-current,.site-nav a[aria-current="page"]{color:var(--yellow)}
  .site-nav .nav-cta{justify-content:center;min-height:56px;margin:28px 0 0;padding:0 20px;border:0;font-family:var(--sans);font-size:16px}
  .nav-extra{display:grid;gap:0;margin-top:28px}
  .nav-extra a{min-height:48px;border-bottom:0;font-family:var(--sans);font-size:15px;font-weight:500;color:rgba(243,240,232,.72)}
  .nav-extra a.nav-download{color:var(--on-dark)}
  html.menu-locked{overflow:hidden}
}
@media (pointer:coarse){
  .footer-nav a{min-height:44px}
}
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-identity{grid-column:1/-1}
}
@media (max-width:640px){
  body{font-size:15px}
  .brand-text small{font-size:11px}
  .button{width:100%;justify-content:flex-start}
  .footer-grid{column-gap:16px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .js [data-reveal]{opacity:1!important;transform:none!important}
}

@media print{
  .site-header,.scroll-progress,.menu-toggle,.skip-link{display:none!important}
  html,body{background:#fff!important}
  .theme-dark,.theme-yellow,.theme-paper-2{--bg:#fff;--fg:#000;--fg-2:#222;--fg-3:#444;--rule:#bbb;--rule-strong:#000;background:#fff!important;color:#000!important}
  .js [data-reveal]{opacity:1!important;transform:none!important}
}