/* =========================================================
   REAL ESTATE VISION & TRENDS 2026
   Vizuálna identita podľa partnerskej ponuky (REVT_2026_Partnerska_ponuka_v2.pdf)
   Fonty: Clash Display (nadpisy) + Questrial (text)
   ========================================================= */

/* ---------- Fonty ---------- */
@import url('https://api.fontshare.com/v2/css?f[]=clash-display@600,700,500&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Questrial&display=swap');

/* ---------- Premenné ---------- */
:root{
  --ink:#012A2D;          /* tmavá petrolová – hlavná farba */
  --ink-2:#0B383F;        /* tmavý podklad hero */
  --teal:#048A81;         /* akcent */
  --teal-dark:#036B64;
  --mint:#E5F3F2;         /* svetlá plocha */
  --mint-2:#F2F9F9;
  --sand:#D6C5A3;         /* pieskový akcent */
  --white:#FFFFFF;
  --grey:#5B6B6C;
  --line:rgba(1,42,45,.12);

  --hdl:'Clash Display','Aptos','Segoe UI',system-ui,sans-serif;
  --body:'Questrial','Aptos','Segoe UI',system-ui,sans-serif;

  --wrap:1180px;
  --pad:24px;
  --radius:2px;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--body);
  font-size:17px;
  line-height:1.65;
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--teal);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--hdl);font-weight:600;line-height:1.08;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(34px,5.6vw,62px)}
h2{font-size:clamp(27px,3.6vw,42px)}
h3{font-size:clamp(19px,1.7vw,23px)}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}
section{padding:clamp(56px,7vw,104px) 0}
.eyebrow{
  font-family:var(--hdl);font-weight:600;text-transform:uppercase;
  letter-spacing:.14em;font-size:13px;color:var(--teal);margin-bottom:14px
}
.section-head{max-width:760px;margin-bottom:clamp(32px,4vw,56px)}
.lead{font-size:clamp(18px,1.5vw,21px);color:var(--grey)}

/* ---------- Tlačidlá ---------- */
.btn{
  display:inline-block;font-family:var(--hdl);font-weight:600;font-size:15px;
  letter-spacing:.04em;text-transform:uppercase;
  padding:15px 30px;border:1.5px solid var(--teal);border-radius:var(--radius);
  background:var(--teal);color:#fff;transition:.18s ease;cursor:pointer
}
.btn:hover{background:var(--teal-dark);border-color:var(--teal-dark);text-decoration:none;color:#fff}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn--ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.btn--dark{background:var(--ink);border-color:var(--ink)}
.btn--dark:hover{background:#023237;border-color:#023237}
.btn--sm{padding:11px 20px;font-size:13px}

/* ---------- Hlavička ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  background:rgba(1,42,45,.0);
  transition:background .25s ease, box-shadow .25s ease, padding .25s ease;
  padding:16px 0;
}
.site-header.is-solid{background:rgba(1,42,45,.97);box-shadow:0 1px 0 rgba(255,255,255,.08);padding:10px 0}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand img{height:38px;width:auto}
.nav{display:flex;align-items:center;gap:26px}
.nav a{
  font-family:var(--hdl);font-weight:500;font-size:14.5px;color:#fff;
  letter-spacing:.02em;text-transform:uppercase
}
.nav a:hover{color:var(--sand);text-decoration:none}
.lang{display:flex;align-items:center;gap:6px;font-family:var(--hdl);font-size:13.5px;letter-spacing:.06em}
.lang a{color:rgba(255,255,255,.6)}
.lang a.is-active{color:#fff}
.lang span{color:rgba(255,255,255,.35)}
.nav-toggle{
  display:none;background:none;border:0;padding:8px;cursor:pointer
}
.nav-toggle span{display:block;width:26px;height:2px;background:#fff;margin:5px 0;transition:.2s}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:min(94vh,860px);display:flex;align-items:flex-end;
  background:var(--ink);color:#fff;overflow:hidden;padding:150px 0 64px
}
.hero__bg{position:absolute;inset:0}
.hero__bg img{width:100%;height:100%;object-fit:cover;object-position:center 62%}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(1,42,45,.92) 0%,rgba(1,42,45,.72) 40%,rgba(1,42,45,.86) 100%),
             linear-gradient(90deg,rgba(1,42,45,.75) 0%,rgba(1,42,45,.25) 70%)
}
.hero__mark{
  position:absolute;right:5%;top:14%;width:min(34vw,400px);opacity:.09;
  pointer-events:none;user-select:none
}
@media (max-width:820px){
  .hero__mark{right:-6%;top:8%;width:46vw;opacity:.07}
}
.hero__inner{position:relative;z-index:2;max-width:900px}
.hero h1{color:#fff;max-width:18ch}
.hero__sub{font-size:clamp(18px,1.8vw,23px);color:rgba(255,255,255,.86);max-width:52ch}
.hero__meta{
  display:flex;flex-wrap:wrap;gap:10px 28px;margin:30px 0 34px;
  font-family:var(--hdl);font-weight:500;text-transform:uppercase;letter-spacing:.08em;font-size:15px
}
.hero__meta .date{color:var(--sand);font-weight:600;font-size:19px;letter-spacing:.04em}
.hero__meta .venue{color:rgba(255,255,255,.8)}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px}
.hero__org{
  display:flex;align-items:center;gap:26px;margin-top:44px;
  padding-top:26px;border-top:1px solid rgba(255,255,255,.18)
}
.hero__org span{
  font-family:var(--hdl);font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:rgba(255,255,255,.55)
}

/* Logá organizátorov na tmavom podklade – negatívne (biele) verzie */
.hero__org img{height:22px;width:auto;opacity:.95}
.hero__org img.amcham{height:30px}

/* ---------- Čísla ---------- */
.stats{background:var(--white);position:relative;overflow:hidden}
.stats__year{
  position:absolute;left:-2%;top:6%;font-family:var(--hdl);font-weight:700;
  font-size:clamp(120px,20vw,260px);line-height:.8;color:var(--mint);z-index:0;user-select:none
}
.stats__inner{position:relative;z-index:1}
.stats__grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:32px;
  max-width:760px;margin:0 auto;text-align:center
}
.stat__num{font-family:var(--hdl);font-weight:600;font-size:clamp(46px,6vw,78px);color:var(--teal);line-height:1}
.stat__label{font-family:var(--hdl);font-weight:500;font-size:16px;margin-top:6px}
.stats__note{text-align:center;margin-top:26px;font-size:14.5px;color:var(--grey)}
.stats__claim{
  text-align:center;max-width:840px;margin:0 auto clamp(34px,4vw,54px);
  font-family:var(--hdl);font-weight:600;font-size:clamp(23px,2.8vw,34px);line-height:1.2
}

/* ---------- Pre koho ---------- */
.audience{background:var(--mint-2)}
.audience__grid{display:grid;grid-template-columns:repeat(3,1fr);row-gap:22px}
@media (max-width:860px){.audience__grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.audience__grid{grid-template-columns:1fr}}
.audience__item{
  background:transparent;padding:24px 26px 24px 0;
  border-top:2px solid var(--teal);margin-right:26px
}
.audience__item strong{
  display:block;font-family:var(--hdl);font-weight:600;color:var(--teal);
  font-size:13px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:8px
}
.audience__item p{margin:0;font-size:16px}

/* ---------- Priebeh (3 hodnoty) ---------- */
.format__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:clamp(24px,3vw,44px)}
.format__card{border-top:3px solid var(--teal);padding-top:22px}
.format__card h3{color:var(--ink);text-transform:uppercase;letter-spacing:.01em;font-size:19px}
.format__card p{margin:0;color:var(--grey);font-size:16.5px}

/* ---------- Program / témy ---------- */
.program{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.program h2,.program .lead{color:#fff}
.program .lead{color:rgba(255,255,255,.72)}
.program .eyebrow{color:var(--sand)}
.topics{border-top:1px solid rgba(255,255,255,.16)}
.topic{
  display:grid;grid-template-columns:64px 1fr;gap:18px;align-items:start;
  padding:30px 0;border-bottom:1px solid rgba(255,255,255,.16)
}
.topic__num{
  font-family:var(--hdl);font-weight:600;font-size:15px;color:var(--sand);
  letter-spacing:.06em;padding-top:6px
}
.topic__title{
  font-family:var(--hdl);font-weight:600;font-size:clamp(20px,2.3vw,28px);
  text-transform:uppercase;line-height:1.15;margin:0 0 6px;color:#fff
}
.topic__sub{
  font-family:var(--hdl);font-weight:500;font-size:14.5px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--teal);margin:0
}
.topic__desc{margin:12px 0 0;color:rgba(255,255,255,.74);max-width:70ch;font-size:16.5px}
.program__note{margin-top:34px;font-size:15px;color:rgba(255,255,255,.6)}

/* ---------- Rečníci ---------- */
.speakers__grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:28px}
.speaker{border-top:1px solid var(--line);padding-top:18px}
.speaker__photo{
  aspect-ratio:1/1;background:var(--mint);margin-bottom:14px;overflow:hidden
}
.speaker__photo img{width:100%;height:100%;object-fit:cover}
.speaker__name{font-family:var(--hdl);font-weight:600;font-size:18px;margin:0}
.speaker__org{font-size:14.5px;color:var(--teal);margin:2px 0 0;font-family:var(--hdl);letter-spacing:.04em;text-transform:uppercase}
.speaker__role{font-size:15px;color:var(--grey);margin:6px 0 0}
.placeholder{
  background:var(--mint-2);border-left:3px solid var(--teal);padding:26px 28px;
  font-size:17px;max-width:760px
}

/* ---------- Registrácia ---------- */
.registration{background:var(--mint-2)}
.registration__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:start}
.registration__info p{font-size:16.5px}
.registration__info ul{padding-left:20px;margin:0 0 1em;font-size:16.5px}
.registration__info li{margin-bottom:6px}
.reg-widget{background:#fff;padding:26px;border:1px solid var(--line);min-height:180px}
.reg-widget__title{
  font-family:var(--hdl);font-weight:600;font-size:18px;margin:0 0 16px;
  text-transform:uppercase;letter-spacing:.04em
}
.reg-widget .btn{border:0}
[hidden]{display:none!important}

/* ---------- Partneri ---------- */
.partners__block{margin-bottom:clamp(38px,4vw,58px)}
.partners__label{
  font-family:var(--hdl);font-weight:600;font-size:13px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--teal);padding-bottom:12px;
  border-bottom:1px solid var(--line);margin-bottom:26px
}
.logo-row{display:flex;flex-wrap:wrap;align-items:center;gap:clamp(24px,3.5vw,48px)}
.logo-row img{height:32px;width:auto;object-fit:contain;filter:grayscale(100%);opacity:.72;transition:.2s}
.logo-row img:hover{filter:none;opacity:1}
.logo-row--lg img{height:34px;filter:none;opacity:1}
.logo-row--lg img.amcham{height:46px}
.logo-row--sm img{height:24px}
/* Havel & Partners je zložené logo s claimom, potrebuje o pár px viac */
.logo-row img[alt*="HAVEL"]{height:38px}
.partners__note{font-size:14.5px;color:var(--grey);margin-top:8px}

/* ---------- Galéria ---------- */
.gallery{background:var(--mint-2)}
.gallery__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px}
.gallery__grid a{display:block;overflow:hidden;background:var(--ink)}
.gallery__grid img{aspect-ratio:3/2;object-fit:cover;transition:transform .4s ease}
.gallery__grid a:hover img{transform:scale(1.04)}

/* ---------- Miesto konania ---------- */
.venue__grid{display:grid;grid-template-columns:1fr 1.25fr;gap:clamp(30px,4vw,60px);align-items:start}
.venue__map{aspect-ratio:16/10;border:0;width:100%;filter:grayscale(30%)}
.venue address{font-style:normal;font-size:17px;line-height:1.7}

/* ---------- Kontakt ---------- */
.contact{background:var(--ink);color:#fff}
.contact h2,.contact .lead{color:#fff}
.contact .lead{color:rgba(255,255,255,.72)}
.contact__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:clamp(28px,4vw,56px)}
.person{border-top:1px solid rgba(255,255,255,.2);padding-top:20px}
.person__name{font-family:var(--hdl);font-weight:600;font-size:21px;margin:0}
.person__role{font-family:var(--hdl);font-size:13.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--sand);margin:4px 0 12px}
.person a{color:#fff;display:block;font-size:16.5px}
.person a:hover{color:var(--sand)}

/* ---------- Footer ---------- */
.site-footer{background:#011F22;color:rgba(255,255,255,.7);padding:56px 0 40px;font-size:15px}
.footer__top{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:30px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.12)
}
.footer__logo img{height:44px}
.footer__org{display:flex;align-items:center;gap:26px}
.footer__org img{height:20px;opacity:.85}
.footer__org img.amcham{height:28px}
.footer__bottom{
  display:flex;flex-wrap:wrap;gap:16px 32px;justify-content:space-between;
  padding-top:24px;font-size:14px
}
.footer__nav{display:flex;flex-wrap:wrap;gap:20px}
.footer__nav a{color:rgba(255,255,255,.7)}
.footer__nav a:hover{color:#fff}

/* ---------- Mobil ---------- */
@media (max-width:900px){
  .registration__grid,.venue__grid{grid-template-columns:1fr}
  .stats__grid{grid-template-columns:1fr;gap:26px}
}
@media (max-width:820px){
  .nav-toggle{display:block}
  .nav{
    position:fixed;inset:0 0 auto 0;top:0;padding:88px 24px 32px;
    flex-direction:column;align-items:flex-start;gap:4px;
    background:rgba(1,42,45,.985);transform:translateY(-102%);transition:transform .3s ease;
    height:100vh
  }
  .nav.is-open{transform:translateY(0)}
  .nav a{font-size:22px;padding:12px 0;font-weight:600}
  .lang{margin-top:22px}
  .header-inner{position:relative;z-index:110}
  .hero{padding-top:120px}
  .topic{grid-template-columns:1fr;gap:4px}
  .topic__num{padding-top:0}
}
@media (max-width:520px){
  body{font-size:16.5px}
  .hero__org{flex-wrap:wrap;gap:18px}
  .logo-row{gap:24px}
  .logo-row img{height:34px}
  .logo-row--lg img{height:42px}
}

/* ---------- Tlač / prístupnosť ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
}
:focus-visible{outline:3px solid var(--sand);outline-offset:3px}
.skip-link{
  position:absolute;left:-9999px;top:0;background:#fff;color:var(--ink);
  padding:12px 18px;z-index:200
}
.skip-link:focus{left:12px;top:12px}