/* Národní robotická konference 2026 – styl webu (barvy MZ ČR) */
/* Písmo Inter (SIL OFL 1.1) je hostováno lokálně – bez požadavků na Google */
@font-face{font-family:Inter;font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/Inter-Regular.woff2) format('woff2')}
@font-face{font-family:Inter;font-style:normal;font-weight:500;font-display:swap;src:url(../fonts/Inter-Medium.woff2) format('woff2')}
@font-face{font-family:Inter;font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/Inter-SemiBold.woff2) format('woff2')}
@font-face{font-family:Inter;font-style:normal;font-weight:700;font-display:swap;src:url(../fonts/Inter-Bold.woff2) format('woff2')}
@font-face{font-family:Inter;font-style:normal;font-weight:800;font-display:swap;src:url(../fonts/Inter-ExtraBold.woff2) format('woff2')}
@font-face{font-family:Inter;font-style:italic;font-weight:400;font-display:swap;src:url(../fonts/Inter-Italic.woff2) format('woff2')}
@font-face{font-family:Inter;font-style:italic;font-weight:500;font-display:swap;src:url(../fonts/Inter-MediumItalic.woff2) format('woff2')}
@font-face{font-family:Inter;font-style:italic;font-weight:700;font-display:swap;src:url(../fonts/Inter-BoldItalic.woff2) format('woff2')}
:root{
  --blue:#00459B; --blue-d:#00326F; --red:#D70C0F; --gray:#545860; --ink:#2B2E33;
  --lblue:#9DC8E9; --tint:#EAF2FB; --tint2:#F4F8FD; --line:#D5D8DF; --soft:#F2F3F6;
  --ok:#1B7F3B; --radius:4px; --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--ink);font-family:Inter,Arial,Helvetica,sans-serif;font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--blue)}
img,svg{max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--blue);color:#fff;padding:8px 12px;z-index:50}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--lblue);outline-offset:2px}

/* hlavička */
.top{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--ink)}
.brand .mz-logo{height:46px;width:auto;display:block}
.brand .sep{width:1px;height:36px;background:var(--line)}
.brand .znacka{height:40px;width:auto;display:block}
.brand b{font-size:14px;line-height:1.2;font-weight:700;color:var(--blue)}
.brand b span{display:block;color:var(--gray);font-weight:600}
.nav{display:flex;align-items:center;gap:26px}
.nav a{color:var(--ink);text-decoration:none;font-weight:600;font-size:15px;padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover{color:var(--blue)}
.nav a[aria-current="page"]{color:var(--blue);border-bottom-color:var(--red)}
.nav .cta{color:#fff;background:var(--blue);padding:9px 16px;border-radius:var(--radius);border:0}
.nav .cta:hover,.nav .cta[aria-current="page"]{background:var(--blue-d);color:#fff}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:var(--radius);padding:8px 12px;font:inherit;font-weight:700;color:var(--blue);cursor:pointer}
.stripe{height:6px;background:linear-gradient(90deg,var(--red) 0 70%,var(--blue) 70% 100%)}

/* hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#fff 0%,var(--tint2) 100%);border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:40px;align-items:center;padding-top:60px;padding-bottom:60px}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--red);margin:0 0 18px}
.conf-logo{width:100%;max-width:560px;height:auto;display:block}
.lead{font-size:20px;line-height:1.5;color:var(--blue);max-width:600px;margin:26px 0 0}
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:30px 0 0;padding:0;list-style:none;max-width:680px}
.facts li{background:#fff;border:1px solid var(--line);border-top:3px solid var(--blue);padding:14px 16px;border-radius:var(--radius)}
.facts b{display:block;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--blue);margin-bottom:4px}
.facts span{display:block;font-weight:600;line-height:1.35}
.facts small{display:block;color:var(--gray);font-size:14px;margin-top:2px}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:700;font-size:15px;text-decoration:none;padding:12px 18px;border-radius:var(--radius);border:2px solid var(--blue);cursor:pointer;line-height:1.2}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-d);border-color:var(--blue-d)}
.btn-ghost{color:var(--blue);background:#fff}
.btn-ghost:hover{background:var(--tint)}
.btn-white{background:#fff;color:var(--blue);border-color:#fff}
.btn-white:hover{background:var(--tint)}
.countdown{margin-top:22px;font-size:15px;color:var(--gray)}
.countdown strong{color:var(--red);font-size:18px}
.deco{position:relative;justify-self:end;width:100%;max-width:330px;aspect-ratio:64/128}
.deco svg{width:100%;height:100%;display:block}

/* podstránky */
.page-head{background:linear-gradient(180deg,#fff 0%,var(--tint2) 100%);border-bottom:1px solid var(--line);padding:44px 0 38px}
.page-head h1{margin:0;font-size:38px;line-height:1.15;letter-spacing:-.01em}
.page-head p{margin:10px 0 0;font-size:18px;color:var(--blue);max-width:760px}
.crumbs{font-size:14px;color:var(--gray);margin-bottom:10px}
.crumbs a{color:var(--gray)}

/* sekce */
section{padding:68px 0}
section + section{border-top:1px solid var(--line)}
.sec-head{display:flex;align-items:center;gap:16px;margin-bottom:26px;flex-wrap:wrap}
.sec-head h2{font-size:30px;line-height:1.2;margin:0;letter-spacing:-.01em}
.sec-head .bar{width:6px;height:28px;background:var(--red);box-shadow:4px 0 0 var(--blue);flex:none}
.sec-head .more{margin-left:auto;font-weight:700;text-decoration:none}
.sec-head .more:hover{text-decoration:underline}
.intro{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);gap:48px}
.intro p{margin:0 0 14px;font-size:17px}
.pillars{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;list-style:none;margin:0;padding:0}
.pillars li{background:var(--tint);padding:20px;border-radius:var(--radius)}
.pillars .n{font-size:13px;font-weight:800;color:var(--red);letter-spacing:.06em}
.pillars h3{margin:6px 0;font-size:18px;color:var(--blue)}
.pillars p{margin:0;font-size:15px}

/* bloky na úvodní stránce */
.blocks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.blockcard{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;display:flex;flex-direction:column}
.blockcard header{background:var(--blue);color:#fff;padding:18px 20px}
.blockcard header small{display:block;font-size:12px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--lblue)}
.blockcard header h3{margin:4px 0 0;font-size:20px;line-height:1.3}
.blockcard header p{margin:4px 0 0;font-size:14px;color:var(--lblue)}
.blockcard ul{list-style:none;margin:0;padding:6px 20px 14px}
.blockcard li{padding:10px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:100px minmax(0,1fr);gap:12px;font-size:15px}
.blockcard li:last-child{border-bottom:0}
.blockcard li time{font-weight:700;font-variant-numeric:tabular-nums}
.blockcard li span small{display:block;color:var(--gray);font-size:13px;margin-top:2px}

/* program */
.prog{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.prog li{display:grid;grid-template-columns:132px minmax(0,1fr);gap:20px;padding:14px 20px;border-bottom:1px solid var(--line)}
.p-time{font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap}
.p-title{margin:0;font-weight:500}
.p-speaker{margin:4px 0 0;font-size:15px;color:var(--gray)}
.p-speaker strong{color:var(--ink);font-weight:700;margin-right:8px}
.p-speaker a{color:inherit;text-decoration:none}
.p-speaker a:hover strong{color:var(--blue);text-decoration:underline}
.p-speaker.p-tbd strong{color:var(--gray);font-style:italic;font-weight:500}
.p-tag{display:inline-block;font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--red);margin-bottom:2px}
.prog .p-block{background:var(--blue);color:#fff;padding:18px 20px;margin-top:28px;border-bottom:0;border-radius:var(--radius) var(--radius) 0 0}
.prog .p-block:first-child{margin-top:0}
.p-blocknum{font-size:12px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--lblue)}
.p-block h3{margin:2px 0;font-size:21px;line-height:1.3}
.p-mod{margin:0;font-size:14px;color:var(--lblue)}
.prog .p-open{background:var(--soft)}
.prog .p-open .p-title,.prog .p-panel .p-title{font-weight:700}
.prog .p-disc .p-time,.prog .p-disc .p-title{color:var(--gray);font-weight:500;font-style:italic}
.prog .p-break{background:var(--tint)}
.prog .p-break .p-time,.prog .p-break .p-title{color:var(--blue);font-weight:700;font-style:italic}
.note{color:var(--gray);font-size:14px;margin:16px 0 0}
.toolbar{display:flex;flex-wrap:wrap;gap:12px;margin:0 0 26px}

/* řečníci */
.speakers{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.speakers li{display:flex;align-items:center;gap:14px;border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;background:#fff}
.sp-ini{flex:none;width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:var(--tint);color:var(--blue);font-weight:800;font-size:15px}
.sp-ini.sp-mod{background:var(--blue);color:#fff}
.speakers strong{display:block;line-height:1.3}
.speakers span:not(.sp-ini){display:block;color:var(--gray);font-size:14px}
.sp-tbd strong{color:var(--gray);font-style:italic;font-weight:500}
.speaker-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.speaker{display:grid;grid-template-columns:72px minmax(0,1fr);gap:20px;border:1px solid var(--line);border-radius:var(--radius);padding:20px;background:#fff;scroll-margin-top:96px}
.speaker .sp-ini{width:72px;height:72px;font-size:22px}
.speaker h3{margin:0;font-size:20px}
.speaker .inst{margin:2px 0 10px;color:var(--gray)}
.speaker .role{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--red);margin-left:8px}
.speaker ul{margin:0;padding:0;list-style:none}
.speaker ul li{padding:6px 0;border-top:1px dashed var(--line);font-size:15px}
.speaker ul li time{font-weight:700;color:var(--blue);margin-right:10px;font-variant-numeric:tabular-nums}
.speaker:target{border-color:var(--blue);box-shadow:0 0 0 3px var(--tint)}

/* karty, místo */
.two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:26px;background:#fff}
.card h3{margin:0 0 10px;font-size:20px;color:var(--blue)}
.card p{margin:0 0 10px}
.card p:last-child{margin-bottom:0}
.card .big{font-size:18px;font-weight:700}
.fill{background:transparent;color:var(--red);font-weight:700}
.orgs{display:flex;flex-wrap:wrap;gap:12px;list-style:none;margin:0;padding:0}
.orgs li{border:1px solid var(--line);border-radius:var(--radius);padding:14px 18px;font-weight:700;color:var(--ink);background:#fff}
.orgs li small{display:block;font-weight:500;color:var(--gray)}
.committee{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:12px}
.committee li{display:flex;align-items:flex-start;gap:16px;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;background:#fff}
.committee strong{display:block;font-size:17px;line-height:1.3;margin-bottom:4px}
.committee span:not(.sp-ini){display:block;color:var(--gray);font-size:14px;line-height:1.45}
.committee .role{font-size:12px!important;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--red)!important;margin-bottom:2px}
@media (max-width:420px){.committee{grid-template-columns:1fr}}

/* výzva */
.band{background:var(--blue);color:#fff}
.band .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.band h2{margin:0;font-size:28px}
.band p{margin:6px 0 0;color:#DCE8F6}

/* formulář */
.form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 20px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-weight:700;font-size:15px}
.field label .opt{font-weight:500;color:var(--gray);font-size:13px;margin-left:6px}
.field input,.field select,.field textarea{font:inherit;font-size:16px;padding:11px 12px;border:1px solid #B8BDC8;border-radius:var(--radius);background:#fff;color:var(--ink);width:100%}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--tint)}
.field input[aria-invalid="true"],.field select[aria-invalid="true"]{border-color:var(--red)}
.err{color:var(--red);font-size:13px;min-height:0}
.check{display:flex;gap:12px;align-items:flex-start;font-size:15px}
.check input{width:20px;height:20px;margin-top:2px;flex:none;accent-color:var(--blue)}
.hp{position:absolute;left:-5000px}
.form-actions{grid-column:1/-1;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.form-note{color:var(--gray);font-size:14px}
.side{display:grid;gap:16px;align-content:start}
.layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:36px}

/* text (GDPR) */
.prose{max-width:780px}
.prose h2{font-size:22px;margin:32px 0 10px;color:var(--blue)}
.prose p,.prose li{font-size:16px}
.prose ul{padding-left:20px}

/* patička */
.foot{background:var(--blue-d);color:#fff;padding:44px 0 30px}
.foot .cols{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:28px}
.foot h3{margin:0 0 10px;font-size:15px;letter-spacing:.04em;text-transform:uppercase;color:var(--lblue)}
.foot p{margin:0 0 6px;color:#E3EEF9}
.foot a{color:#fff}
.foot ul{list-style:none;margin:0;padding:0}
.foot li{margin:0 0 6px}
.foot .legal{border-top:1px solid rgba(255,255,255,.2);margin-top:26px;padding-top:16px;font-size:13px;color:#C9D9EE}

@media (max-width:960px){
  .menu-btn{display:inline-block}
  .nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;padding:8px 24px 16px}
  .nav.open{display:flex}
  .nav a{padding:12px 0;border-bottom:1px solid var(--line)}
  .nav a[aria-current="page"]{border-bottom-color:var(--line);color:var(--red)}
  .nav .cta{margin-top:12px;text-align:center;padding:12px 16px}
  .hero .wrap{grid-template-columns:1fr}
  .deco{display:none}
  .intro,.layout{grid-template-columns:1fr;gap:24px}
  .pillars,.three{grid-template-columns:1fr}
  .two,.blocks{grid-template-columns:1fr}
  .foot .cols{grid-template-columns:1fr}
}
@media (max-width:600px){
  .wrap{padding:0 16px}
  .top .wrap{height:62px}
  .brand .mz-logo{height:38px}
  .brand .sep,.brand .znacka,.brand b{display:none}
  .nav{padding:8px 16px 16px}
  .hero .wrap{padding-top:34px;padding-bottom:40px}
  .lead{font-size:18px}
  .facts{grid-template-columns:1fr}
  section{padding:46px 0}
  .sec-head h2{font-size:25px}
  .page-head h1{font-size:30px}
  .prog li{grid-template-columns:1fr;gap:4px;padding:12px}
  .prog .p-block{padding:16px}
  .blockcard li{grid-template-columns:1fr;gap:2px}
  .form{grid-template-columns:1fr}
  .speaker{grid-template-columns:1fr;gap:12px}
  .card{padding:20px}
}
@media print{
  .top,.stripe,.foot,.band,.toolbar,.menu-btn{display:none}
  .prog .p-block{background:none;color:var(--ink);border:2px solid var(--blue)}
  .p-blocknum,.p-mod{color:var(--gray)}
}