/* Vizuální příručka jiu-jitsu – prodejní stránka. Barvy a typografie podle ebooku. */
@font-face{font-family:Inter;font-weight:400;font-display:swap;src:url(fonts/inter-400.woff2) format("woff2")}
@font-face{font-family:Inter;font-weight:600;font-display:swap;src:url(fonts/inter-600.woff2) format("woff2")}
@font-face{font-family:Inter;font-weight:700;font-display:swap;src:url(fonts/inter-700.woff2) format("woff2")}
@font-face{font-family:Inter;font-weight:800;font-display:swap;src:url(fonts/inter-800.woff2) format("woff2")}
@font-face{font-family:"Inter Display";font-weight:900;font-display:swap;src:url(fonts/interdisplay-900.woff2) format("woff2")}

:root{
  --navy:#14284B;--navy-t:#E9EDF4;--text:#1E2A3B;--muted:#5E6878;--bg:#F5F3EE;--line:#E3DED4;
  --red:#B3322B;--red-t:#FBE8E6;--ok:#1D7A55;--light:#B9C6DC;--sky:#9FC3F0;
  --m1:#2B67A8;--m1t:#E7EFF8;--m2:#1D7A55;--m2t:#E4F2EB;--m3:#8A5608;--m3t:#FAF0DF;--m4:#0B6A73;--m4t:#E2F3F4;--m5:#6A4BB0;--m5t:#EEE9F8;
  --cta:var(--navy);
  --shadow:0 1px 2px rgba(20,40,75,.06);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:400 16px/1.5 Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--navy)}
a:hover{color:var(--m1)}
:focus-visible{outline:3px solid var(--m1);outline-offset:3px}
h1,h2,h3,p,figure,blockquote,ul{margin:0}
.wrap{max-width:1180px;margin:0 auto;padding:0 16px}
.sec{padding:48px 0}
.sec.white{background:#fff}
.sec.tint{background:var(--navy-t)}
.stack{display:flex;flex-direction:column;gap:16px}
.ph{background:#FFF7D6;color:#6B5310;border-radius:4px;padding:0 4px}

/* štítky, nadpisy */
.lbl{align-self:flex-start;display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;border-radius:999px;padding:7px 13px;line-height:1;background:var(--navy-t);color:var(--navy)}
.lbl.dark{background:var(--navy);color:#fff}
.h2{font-family:"Inter Display",Inter,sans-serif;font-size:clamp(30px,4.4vw,44px);line-height:1.14;font-weight:900;text-transform:uppercase;letter-spacing:-.01em;color:var(--navy)}
.sub{font-size:17px;color:var(--muted)}
.head2{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px 40px}
.head2 .h2{flex:1 1 380px}.head2 .sub{flex:1 1 340px}

/* tlačítka */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:56px;padding:0 28px;border:0;border-radius:14px;background:var(--cta);color:#fff;font:800 17px/1 Inter,sans-serif;text-decoration:none;cursor:pointer;transition:transform .15s,box-shadow .15s}
.btn:hover{color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(20,40,75,.22)}
.btn.light{background:#fff;color:var(--navy)}
.btn.light:hover{color:var(--navy)}
.btn.sm{min-height:44px;padding:0 18px;border-radius:999px;font-size:14px}
.btn svg{flex:none}

/* lišta */
.top{position:sticky;top:0;z-index:10;background:rgba(245,243,238,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand b{width:36px;height:36px;border-radius:10px;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:900}
.brand span{font-size:11px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;line-height:1.25;color:var(--navy);max-width:130px}
.nav{display:flex;align-items:center;gap:24px;font-size:15px;font-weight:600}
.nav a.link{display:none;text-decoration:none}

/* hero */
.hero{padding:28px 0 40px}
.hero .wrap{display:flex;flex-direction:column;gap:28px}
.hero h1{font-family:"Inter Display",Inter,sans-serif;font-size:clamp(50px,7vw,90px);line-height:1.06;font-weight:900;text-transform:uppercase;letter-spacing:-.02em;color:var(--navy)}
.lead{font-size:18px;line-height:1.45;max-width:540px}
.covers{--pw:186px;position:relative;width:100%;max-width:420px;height:calc(var(--pw)*2.05 + 8px);margin:0 auto}
.covers .back{position:absolute;right:0;top:12%;width:52%;border-radius:6px;box-shadow:0 10px 30px rgba(20,40,75,.18);transform:rotate(6deg)}
.phone{position:absolute;left:4%;top:0;width:var(--pw);aspect-ratio:9/18.5;background:#0E1A30;border-radius:calc(var(--pw)*.17);padding:calc(var(--pw)*.045);box-shadow:0 18px 44px rgba(20,40,75,.30);transform:rotate(-3deg)}
.phone::before{content:"";position:absolute;top:calc(var(--pw)*.07);left:50%;width:28%;height:calc(var(--pw)*.045);margin-left:-14%;border-radius:99px;background:#0E1A30;z-index:2}
.screen{height:100%;overflow:hidden;border-radius:calc(var(--pw)*.13);background:#D9D6CF;display:flex;flex-direction:column;gap:5px}
.screen img{width:100%;flex:none}
.buy{background:#fff;border-radius:16px;box-shadow:var(--shadow);padding:18px;display:flex;flex-direction:column;gap:14px}
.buy .row{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:12px}
.buy .row .btn{flex:1 1 100%}
.price{font-family:"Inter Display",Inter,sans-serif;font-size:34px;font-weight:900;color:var(--navy);letter-spacing:-.01em;white-space:nowrap}
.muted{color:var(--muted)}
.ticks{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:14px;color:var(--muted);padding:0;list-style:none}
.ticks li{display:inline-flex;align-items:center;gap:6px}
.dock{position:fixed;left:0;right:0;bottom:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.97);border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(20,40,75,.10);transform:translateY(110%);transition:transform .25s}
.dock.on{transform:none}
.dock .t{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.dock .t span{font-size:12px;font-weight:700;color:var(--muted)}
.dock .t strong{font-size:20px;font-weight:900;color:var(--navy);white-space:nowrap}
.dock .btn{min-height:48px;padding:0 20px;font-size:16px}

/* čísla */
.stats{background:var(--navy);padding:28px 0}
.stats .wrap{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 14px}
.stats b{display:block;font-family:"Inter Display",Inter,sans-serif;font-size:42px;font-weight:900;color:#fff;line-height:1}
.stats span{display:block;margin-top:6px;font-size:14px;font-weight:600;color:var(--light)}

/* karty */
.cards{display:grid;gap:12px;grid-template-columns:1fr}
.card{background:#fff;border-radius:16px;box-shadow:var(--shadow);padding:20px;display:flex;gap:14px;align-items:flex-start}
.card h3{font-size:17px;font-weight:800;color:var(--navy)}
.card p{margin-top:4px;font-size:15px;color:var(--muted)}
.ico{flex:none;width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;background:var(--navy-t);color:var(--navy)}
.sec.white .card{background:var(--bg);box-shadow:none}
.sec.white .ico{background:#fff}
.ico.warn{background:var(--red-t);color:var(--red)}

/* ukázky */
.pages{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding:8px 16px 18px;margin:0 -16px;list-style:none;scroll-padding-inline:16px}
.pages figure{flex:none;width:250px;scroll-snap-align:start}
.pages img{width:100%;border-radius:8px;border:1px solid var(--line);box-shadow:0 6px 18px rgba(20,40,75,.10)}
.pages figcaption{margin-top:10px;font-size:13px;font-weight:700}
.pages a{position:relative;display:block;border-radius:8px}
.pages a::after{content:"";position:absolute;right:10px;bottom:10px;width:36px;height:36px;border-radius:50%;background:rgba(20,40,75,.85) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2.4' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-4-4M11 8v6M8 11h6'/%3E%3C/svg%3E") center/18px no-repeat}
.lb{border:0;padding:0;margin:auto;background:transparent;max-width:none;max-height:none;width:100%;height:100%;overflow:hidden}
.lb::backdrop{background:rgba(10,18,34,.96)}
.lb[open]{display:flex;align-items:center;justify-content:center}
.lb img{max-width:min(94vw,900px);max-height:86vh;width:auto;height:auto;border-radius:6px;box-shadow:0 20px 60px rgba(0,0,0,.5);background:#fff}
.lb p{position:absolute;left:0;right:0;bottom:max(14px,env(safe-area-inset-bottom));text-align:center;color:#fff;font-weight:700;font-size:14px}
.lb button{position:absolute;z-index:1;width:48px;height:48px;border:0;border-radius:50%;background:rgba(255,255,255,.14);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer}
.lb button:hover{background:rgba(255,255,255,.26)}
.lb .x{top:14px;right:14px}
.lb .pv{left:10px;top:50%;margin-top:-24px}
.lb .nx{right:10px;top:50%;margin-top:-24px}
.anat{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.anat div{background:var(--bg);border-radius:14px;padding:14px}
.anat b{display:block;font-size:12px;font-weight:800;letter-spacing:.08em;color:var(--m1)}
.anat b.r{color:var(--red)}
.anat span{display:block;margin-top:4px;font-size:14px;line-height:1.4}

/* moduly */
.mods{display:grid;gap:14px;grid-template-columns:1fr}
.mod{background:#fff;border-radius:16px;box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column}
.mod .hd{display:flex;gap:14px;padding:16px;align-items:center}
.mod img{flex:none;width:80px;height:80px;object-fit:cover;border-radius:12px;mix-blend-mode:multiply}
.mod .tag{display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;border-radius:999px;padding:5px 10px;line-height:1;color:#fff;background:var(--c)}
.mod h3{margin-top:8px;font-size:20px;line-height:1.25;font-weight:800;text-transform:uppercase;color:var(--navy)}
.mod .s{font-size:14px;font-weight:600;color:var(--c)}
.mod .ls{flex:1;background:var(--t);padding:12px 16px 14px;font-size:14.5px;line-height:1.6}
.mod.cta{background:var(--navy);color:#fff;padding:26px;justify-content:center;gap:12px;text-decoration:none}
.mod.cta strong{font-size:21px;font-weight:800;text-transform:uppercase;line-height:1.25}
.mod.cta span{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--sky)}
.mod.cta:hover{color:#fff}

/* recenze */
.split{display:flex;flex-wrap:wrap;gap:44px}
.split>*{flex:1 1 340px;min-width:0}
.quote{background:var(--bg);border-radius:16px;padding:20px}
.sec:not(.white) .quote{background:#fff;box-shadow:var(--shadow)}
.quote{display:flex;flex-direction:column;justify-content:space-between}
.quote blockquote{font-size:16.5px;line-height:1.5}
.quote figcaption{margin-top:12px;font-size:14px;font-weight:700;color:var(--navy)}
.quote figcaption span{font-weight:500;color:var(--muted)}

/* objednávka */
.order{display:flex;flex-wrap:wrap;align-items:center;gap:32px 48px}
.order>.stack{flex:1 1 380px;min-width:0}
.checks{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px;font-size:16px}
.checks li{display:flex;gap:10px}
.checks svg{flex:none;margin-top:1px}
.panel{flex:1 1 400px;min-width:0;max-width:520px;background:#fff;border-radius:18px;box-shadow:var(--shadow);padding:22px;display:flex;flex-direction:column;gap:18px}
.prod{display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.prod img{flex:none;width:60px;border-radius:4px;box-shadow:0 4px 12px rgba(20,40,75,.18)}
.prod strong{display:block;font-size:17px;color:var(--navy)}
.prod span{font-size:13px;color:var(--muted)}
.simpleshop{min-height:120px;border:2px dashed #9FB0CC;border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:12px;background:#FAFBFD}
.simpleshop .note{font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.secure{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted)}
.secure svg{flex:none;margin-top:2px}

/* FAQ */
.faqs{display:flex;flex-direction:column;gap:12px}
.faq{background:#fff;border-radius:16px;box-shadow:var(--shadow);padding:0 18px}
.faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:58px;font-size:16.5px;font-weight:700;color:var(--navy)}
.faq summary::-webkit-details-marker{display:none}
.faq summary svg{flex:none;transition:transform .2s}
.faq[open] summary svg{transform:rotate(180deg)}
.faq p{padding-bottom:18px;font-size:15.5px;line-height:1.55}

/* závěr, patička */
.final{background:var(--navy);color:#fff;border-radius:22px;padding:30px 22px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px}
.final>div{flex:1 1 400px;min-width:0}
.final .t{font-family:"Inter Display",Inter,sans-serif;font-size:clamp(30px,3.6vw,46px);line-height:1.14;font-weight:900;text-transform:uppercase}
.final .t em{font-style:normal;color:var(--sky)}
.final p{margin-top:12px;font-size:16px;color:var(--light)}
.foot{border-top:1px solid var(--line);padding:26px 0 40px;font-size:14px;color:var(--muted)}
.foot .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 32px}
.foot .motto{font-size:11px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--navy)}
.foot nav{display:flex;flex-wrap:wrap;gap:4px 22px}
.foot nav a{min-height:32px;display:inline-flex;align-items:center}

/* právní stránky */
.doc{max-width:760px;padding-top:40px;padding-bottom:64px}
.doc h1{font-family:"Inter Display",Inter,sans-serif;font-size:36px;line-height:1.14;font-weight:900;text-transform:uppercase;color:var(--navy);margin-bottom:24px}
.doc h2{font-size:20px;color:var(--navy);margin:28px 0 8px}
.doc p,.doc li{font-size:16px;line-height:1.6}

/* tablet a desktop */
@media (min-width:860px){
  .wrap{padding:0 32px}
  .sec{padding:88px 0}
  .nav a.link{display:inline}
  .brand span{max-width:none}
  .hero{padding:64px 0 72px}
  .hero .wrap{flex-direction:row;flex-wrap:wrap;align-items:center;gap:48px}
  .hero .txt{flex:1 1 460px;min-width:0;display:flex;flex-direction:column;gap:22px}
  .hero .vis{flex:1 1 400px;display:flex;justify-content:center}
  .covers{--pw:270px;max-width:520px}
  .lead{font-size:20px}
  .buy{background:none;box-shadow:none;padding:0}
  .buy .row{justify-content:flex-start;flex-direction:row-reverse;align-items:center;gap:24px}
  .buy .row .muted{display:none}
  .buy .row .btn{flex:none}
  .stats{padding:40px 0}
  .stats .wrap{grid-template-columns:repeat(4,minmax(0,1fr))}
  .stats b{font-size:52px}
  .cards{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
  .card{flex-direction:column;padding:24px}
  .pages{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;overflow:visible;padding:8px 0 0;margin:0}
  .pages figure{width:auto}
  .pages li:nth-child(5){display:none}
  .anat{grid-template-columns:repeat(4,minmax(0,1fr))}
  .mods{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
  .final{padding:48px}
  .panel{padding:28px}
  .dock{display:none}
}
/* na mobilu má hero vlastní pořadí: text, obálky, nákupní box */
@media (max-width:859px){
  .hero .wrap{gap:20px}
  .hero .txt{display:contents}
  .hero .vis{order:3}
  .hero .buy{order:4}
  .foot{padding-bottom:110px}
  .lb .pv,.lb .nx{top:auto;margin-top:0;bottom:max(6px,env(safe-area-inset-bottom))}
  .lb p{bottom:max(18px,calc(env(safe-area-inset-bottom) + 12px));padding:0 64px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn,.faq summary svg,.dock{transition:none}}