/* redtubecz.com
   Grafit #1b1c20, písek #ece2cf, červená #e01e37 jen jako značka.
   Jednořádková hlavička: logo vlevo, menu vpravo. Hero vlevo text,
   vpravo snímek v silném pískovém rámu s adresním pruhem. Tělo staví
   vodorovné číslované řádky a jedno dvousloupcové srovnání. */

@font-face{
  font-family:"Instrument Sans";
  src:url("/assets/fonts/instrument-sans-latin.woff2") format("woff2");
  font-weight:400 700;font-style:normal;font-display:swap;
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+20AC,U+2122,U+2212;
}
@font-face{
  font-family:"Instrument Sans";
  src:url("/assets/fonts/instrument-sans-latin-ext.woff2") format("woff2");
  font-weight:400 700;font-style:normal;font-display:swap;
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+1E00-1E9F,U+1EF2-1EFF;
}
@font-face{
  font-family:"Inter";
  src:url("/assets/fonts/inter-latin.woff2") format("woff2");
  font-weight:100 900;font-style:normal;font-display:swap;
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+20AC,U+2122,U+2212;
}
@font-face{
  font-family:"Inter";
  src:url("/assets/fonts/inter-latin-ext.woff2") format("woff2");
  font-weight:100 900;font-style:normal;font-display:swap;
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+1E00-1E9F,U+1EF2-1EFF;
}

:root{
  --graphite:#1b1c20;
  --graphite-2:#212226;
  --sand:#ece2cf;
  --sand-2:#ded2bc;
  --sand-dim:#c9bfad;
  --muted:#a99f8e;
  --red:#e01e37;
  --red-d:#b8172c;
  --line:rgba(236,226,207,.18);
  --line-strong:rgba(236,226,207,.34);
  --disp:"Instrument Sans","Helvetica Neue",Arial,sans-serif;
  --sans:"Inter",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  --wrap:1180px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--graphite);color:var(--sand-dim);
  font-family:var(--sans);font-size:16.5px;line-height:1.7;
  -webkit-font-smoothing:antialiased;
  display:flex;flex-direction:column;min-height:100vh;
}
main{flex:1 0 auto}
img{max-width:100%}
a{color:inherit}
a:hover{color:var(--sand)}
:focus-visible{outline:2px solid var(--red);outline-offset:3px}
::selection{background:var(--red);color:#fff}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:-9999px;top:0}
.skip:focus{left:14px;top:12px;background:var(--red);color:#fff;padding:10px 16px;z-index:90;font-weight:600;text-decoration:none}

.wrap{width:min(var(--wrap),calc(100% - 56px));margin:0 auto}
h1,h2,h3{font-family:var(--disp);color:var(--sand)}
p{margin:0 0 12px}

/* ---------- hlavička */
.mast{background:rgba(27,28,32,.98);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:60}
.mast-in{
  width:min(var(--wrap),calc(100% - 56px));margin:0 auto;height:76px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:9px;text-decoration:none;line-height:1;flex:0 0 auto}
.brand .mk{
  width:34px;height:34px;background:var(--red);color:#fff;
  font:700 20px/34px var(--disp);text-align:center;
}
.brand .word{font:700 24px/1 var(--disp);letter-spacing:-.025em;color:var(--sand)}
.brand .word b{color:var(--red);font-weight:700}
.brand .cz{
  font:600 10px/1 var(--sans);letter-spacing:.14em;color:var(--sand);
  border:1px solid var(--line-strong);padding:5px 6px 4px;
}
.brand:hover .word{color:#fff}
.nav{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav a{
  font:500 16px/1 var(--sans);color:var(--sand);text-decoration:none;
  padding:8px 0;border-bottom:2px solid transparent;white-space:nowrap;
}
.nav a:hover{border-color:var(--red)}
.nav a[aria-current="page"]{border-color:var(--red);color:#fff}
.gobtn{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--red);color:#fff;text-decoration:none;white-space:nowrap;
  font:600 15px/1 var(--sans);padding:12px 18px;border:1px solid var(--red);
}
.gobtn:hover{background:var(--red-d);border-color:var(--red-d);color:#fff}
.burger{
  display:none;width:44px;height:44px;background:none;border:1px solid var(--line-strong);
  padding:11px 10px;flex-direction:column;justify-content:space-between;cursor:pointer;
}
.burger span{display:block;height:2px;background:var(--sand)}

.mpanel{
  position:fixed;inset:0;z-index:80;background:var(--graphite);
  padding:18px 22px 28px;display:flex;flex-direction:column;
  transform:translateX(100%);visibility:hidden;
  transition:transform .22s ease,visibility .22s ease;
  overflow-y:auto;
}
.mpanel.open{transform:none;visibility:visible}
.mp-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.mp-title{font:600 12px/1 var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--red)}
.mp-close{background:none;border:1px solid var(--line-strong);color:var(--sand);font:500 14px/1 var(--sans);padding:10px 13px;cursor:pointer}
.mm-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 2px;border-bottom:1px solid var(--line);
  font:500 18px/1.2 var(--disp);color:var(--sand);text-decoration:none;
}
.mm-link[aria-current="page"]{color:var(--red)}
.mp-note{margin-top:auto;padding-top:24px;font:400 13px/1.6 var(--sans);color:var(--muted);max-width:34ch}

/* ---------- hero */
.hero{padding:58px 0 66px;border-bottom:1px solid var(--line)}
.hero-in{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);gap:54px;align-items:center}
.kicker{
  display:flex;align-items:center;gap:11px;margin:0;
  font:600 12px/1 var(--sans);letter-spacing:.17em;text-transform:uppercase;color:var(--red);
}
.kicker::before{content:"";display:block;width:28px;height:2px;background:var(--red);flex:0 0 auto}
h1{
  font-weight:700;font-size:clamp(36px,4.5vw,58px);line-height:1.02;
  letter-spacing:-.032em;margin:18px 0 22px;max-width:17ch;
}
.lede{font-size:17px;line-height:1.72;color:#c9bfad;margin:0 0 14px;max-width:56ch}
.hero-act{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:26px}
.btn{
  display:inline-block;background:var(--red);color:#fff;text-decoration:none;
  font:600 15px/1 var(--sans);padding:15px 24px;border:1px solid var(--red);
  transition:background .15s ease,border-color .15s ease;
}
.btn:hover{background:var(--red-d);border-color:var(--red-d);color:#fff}
.age{font:500 12.5px/1 var(--sans);color:var(--muted);letter-spacing:.03em}

.shot{margin:0;background:var(--sand);padding:10px;align-self:start}
.addr{
  display:flex;align-items:center;gap:7px;height:36px;padding:0 12px;
  background:#141518;border-bottom:1px solid #2c2d32;
}
.addr i{width:8px;height:8px;border-radius:50%;background:#595a5f;display:block}
.addr i:first-child{background:var(--red)}
.addr span{margin-left:6px;font:500 12px/1 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:#d4c9b6}
.shot img{display:block;width:100%;height:auto;aspect-ratio:840/600;object-fit:cover}
.shot figcaption{padding:9px 3px 3px;font:400 12.5px/1.55 var(--sans);color:#5f584d}

/* ---------- vnitřní hlavička stránky */
.phead{padding:52px 0 38px;border-bottom:1px solid var(--line)}
.phead h1{font-size:clamp(32px,4vw,50px);max-width:24ch;margin-bottom:18px}
.phead .lede{max-width:72ch}
.pmeta{
  display:flex;flex-wrap:wrap;gap:12px 30px;margin-top:26px;padding-top:18px;
  border-top:1px solid var(--line);font:500 12px/1.4 var(--sans);
  letter-spacing:.09em;text-transform:uppercase;color:var(--muted);
}
.pmeta b{color:var(--sand);font-family:var(--disp);font-size:14px;letter-spacing:0;margin-right:4px}

/* ---------- řádky */
.rows{padding:0 0 10px}
.sec-head{padding:48px 0 8px}
.sec-head h2{font-weight:700;font-size:clamp(28px,3.2vw,40px);line-height:1.1;letter-spacing:-.025em;margin:12px 0 0;max-width:26ch}
.sec-lead{font-size:16px;line-height:1.7;color:var(--muted);margin:14px 0 0;max-width:66ch}
.row{
  display:grid;grid-template-columns:94px minmax(0,.82fr) minmax(0,1.18fr);
  gap:32px;padding:34px 0 36px;border-top:1px solid var(--line);
}
.sec-head + .row{border-top:2px solid var(--line-strong)}
.row .num{
  font-family:var(--disp);font-weight:700;font-size:56px;line-height:1;
  letter-spacing:-.045em;color:var(--red);margin:0;
}
.row h2{font-weight:600;font-size:25px;line-height:1.22;letter-spacing:-.015em;margin:0}
.row .prose{min-width:0}
.row .prose p{font-size:16.5px;line-height:1.74;color:#c4baa8;margin:0 0 14px}
.row .prose p:last-child{margin-bottom:0}

/* ---------- dvousloupcové srovnání */
.cmp{background:var(--sand);color:var(--graphite);padding:54px 0 50px;margin-top:26px}
.cmp h2{font-weight:700;font-size:clamp(28px,3.4vw,42px);line-height:1.08;letter-spacing:-.028em;margin:12px 0 0;color:#1b1c20;max-width:24ch}
.cmp-lead{font-size:16.5px;line-height:1.65;color:#3b3a36;max-width:64ch;margin:14px 0 0}
.cmp-grid{display:grid;grid-template-columns:1fr 1fr;margin-top:30px;border-top:2px solid #1b1c20}
.cmp-col{padding:24px 30px 16px 0}
.cmp-col + .cmp-col{border-left:1px solid rgba(27,28,32,.28);padding-left:34px}
.cmp-col h3{font-family:var(--sans);font-weight:600;font-size:12px;line-height:1;letter-spacing:.15em;text-transform:uppercase;margin:0 0 14px;color:#1b1c20}
.cmp-col ul{list-style:none;margin:0;padding:0}
.cmp-col li{
  position:relative;padding:11px 0 11px 18px;border-top:1px solid rgba(27,28,32,.16);
  font:400 15.5px/1.55 var(--sans);color:#33322f;
}
.cmp-col li::before{content:"";position:absolute;left:0;top:18px;width:6px;height:6px;background:var(--red)}

/* ---------- partneři */
.partners{background:var(--graphite);padding:52px 0 58px}
.part-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px}
.partners h2{font-weight:700;font-size:30px;line-height:1.1;margin:0}
.partners p{font:400 14px/1.6 var(--sans);color:var(--muted);margin:7px 0 0;max-width:62ch}
.pgrid{
  list-style:none;margin:24px 0 0;padding:0;display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  background:var(--sand);border:1px solid var(--sand);
}
.pcell{
  display:flex;align-items:center;justify-content:center;
  min-height:104px;padding:16px 18px;
  border-right:1px solid rgba(27,28,32,.22);border-bottom:1px solid rgba(27,28,32,.22);
}
.pcell:nth-child(3n){border-right:0}
.pcell:nth-child(n+4){border-bottom:0}
.pcell a{display:flex;align-items:center;justify-content:center;width:100%;height:100%;text-decoration:none}
.pcell img{display:block;height:60px;width:100%;object-fit:contain}
.pcell a:hover img{opacity:.82}

/* ---------- seznam kategorií */
.catsec{padding:6px 0 58px}
.catnote{font:400 14px/1.6 var(--sans);color:var(--muted);margin:0 0 6px;max-width:70ch}
.catlist{
  list-style:none;margin:18px 0 0;padding:0;display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));column-gap:26px;
}
.catlist li{
  display:flex;align-items:baseline;gap:10px;padding:10px 0;
  border-top:1px solid var(--line);font:500 14.5px/1.32 var(--sans);color:var(--sand);
}
.catlist .n{font:600 11px/1 var(--sans);color:var(--red);min-width:20px}

/* ---------- otázky */
.faqsec{padding:12px 0 52px}
.faq details{border-top:1px solid var(--line);padding:0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;
  gap:26px;padding:22px 0;font:600 19px/1.4 var(--disp);color:var(--sand);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:400 26px/1 var(--disp);color:var(--red);flex:0 0 auto}
.faq details[open] summary::after{content:"×"}
.faq .ans{padding:0 0 22px;max-width:78ch}
.faq .ans p{font-size:16px;line-height:1.72;color:#c4baa8;margin:0}

/* ---------- 404 */
.error{padding:78px 0 70px;min-height:52vh}
.error .code{
  font-family:var(--disp);font-weight:700;font-size:clamp(96px,17vw,180px);
  line-height:.86;letter-spacing:-.06em;color:var(--red);margin:0;
}
.error h1{font-size:clamp(32px,4vw,50px);max-width:18ch;margin:20px 0 16px}
.error .lede{max-width:56ch}
.error-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.error-links a{
  display:inline-block;border:1px solid var(--line-strong);padding:12px 18px;
  color:var(--sand);text-decoration:none;font:500 14px/1 var(--sans);
}
.error-links a:hover{border-color:var(--red);color:#fff}

/* ---------- patička */
.foot{background:#17181c;border-top:1px solid var(--line);padding:44px 0 24px;color:var(--muted)}
.foot-in{display:grid;grid-template-columns:1.35fr .7fr .95fr;gap:44px}
.fname{font:700 20px/1.2 var(--disp);color:var(--sand);margin:0 0 10px}
.fname b{color:var(--red)}
.foot p{font:400 13.5px/1.65 var(--sans);margin:0 0 9px}
.foot h3{font-family:var(--sans);font-weight:600;font-size:11.5px;line-height:1;letter-spacing:.15em;text-transform:uppercase;color:var(--red);margin:0 0 13px}
.foot ul{list-style:none;margin:0;padding:0}
.foot li{margin:0 0 8px}
.foot a{color:var(--sand);text-decoration:none;font-size:14px}
.foot a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.base{
  display:flex;justify-content:space-between;gap:18px;margin-top:32px;padding-top:16px;
  border-top:1px solid var(--line);font:400 12px/1.5 var(--sans);color:#8c8273;
}

/* ---------- responzivní */
@media (max-width:1120px){
  .gobtn{display:none}
  .nav{gap:18px}
  .hero-in{gap:40px}
  .row{grid-template-columns:78px minmax(0,.9fr) minmax(0,1.1fr);gap:26px}
}
@media (max-width:900px){
  .nav{gap:12px}
  .nav a{font-size:15px}
  .brand .cz{display:none}
  .brand .word{font-size:22px}
  .hero{padding:44px 0 52px}
  .hero-in{gap:30px}
  .row{grid-template-columns:64px minmax(0,.9fr) minmax(0,1.1fr);gap:22px}
  .row .num{font-size:44px}
  .row h2{font-size:22px}
  .catlist{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:767px){
  .wrap{width:calc(100% - 40px)}
  .mast-in{width:calc(100% - 40px);height:64px}
  .nav,.gobtn{display:none}
  .burger{display:flex}
  .brand .word{font-size:23px}
  .brand .mk{width:32px;height:32px;font-size:19px;line-height:32px}
  .hero{padding:28px 0 38px}
  .hero-in{grid-template-columns:1fr;gap:24px}
  h1{font-size:34px;line-height:1.04;max-width:none;margin:14px 0 16px}
  .lede{font-size:15.5px;line-height:1.62}
  .lede-2{display:none}
  .hero-act{margin-top:18px;gap:12px}
  .btn{padding:14px 20px;font-size:15px}
  .age{font-size:12px}
  .shot{padding:8px}
  .addr{height:32px}
  .addr span{font-size:11px}
  .shot figcaption{font-size:11.5px;padding:7px 2px 2px}
  .phead{padding:34px 0 28px}
  .phead h1{font-size:31px}
  .phead .lede{font-size:15.5px}
  .pmeta{gap:10px 18px;margin-top:20px;padding-top:14px}
  .sec-head{padding:34px 0 6px}
  .sec-head h2{font-size:26px}
  .row{grid-template-columns:1fr;gap:10px;padding:26px 0 28px}
  .row .num{font-size:34px;margin-bottom:2px}
  .row h2{font-size:21px}
  .row .prose p{font-size:15.5px;line-height:1.68}
  .cmp{padding:38px 0 34px}
  .cmp h2{font-size:27px}
  .cmp-grid{grid-template-columns:1fr;margin-top:22px}
  .cmp-col{padding:20px 0 12px}
  .cmp-col + .cmp-col{border-left:0;border-top:2px solid #1b1c20;padding-left:0;padding-top:24px}
  .partners{padding:40px 0 44px}
  .partners h2{font-size:26px}
  .pgrid{margin-top:18px}
  .pcell{min-height:74px;padding:8px 8px}
  .pcell img{height:44px}
  .catsec{padding-bottom:42px}
  .catlist{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:18px}
  .catlist li{font-size:13.5px;padding:9px 0}
  .faq summary{font-size:17px;padding:18px 0;gap:16px}
  .faq .ans p{font-size:15.5px}
  .faqsec{padding-bottom:38px}
  .error{padding:54px 0 48px}
  .foot-in{grid-template-columns:1fr;gap:26px}
  .base{flex-direction:column;gap:6px;margin-top:24px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .mpanel{transition:none}
  .btn{transition:none}
}

@media (max-width:900px){
  .hero-in{grid-template-columns:1fr}
  .shot img{height:300px;width:100%;aspect-ratio:auto;object-fit:cover;object-position:top center}
}
@media (max-width:600px){
  .shot img{height:260px}
}