/* Lokální písma (SIL OFL 1.1; licence a zdroje v assets/fonts/) */
@font-face{font-family:'Source Serif 4';font-style:normal;font-weight:200 900;font-display:swap;src:url('../assets/fonts/source-serif-4-variable.woff2') format('woff2')}
@font-face{font-family:'Manrope';font-style:normal;font-weight:200 800;font-display:swap;src:url('../assets/fonts/manrope-variable.woff2') format('woff2')}
@font-face{font-family:'Manrope';font-style:normal;font-weight:400 700;font-display:swap;src:url('../assets/fonts/Manrope-Variable.woff2') format('woff2')}
:root{--ink:#06111F;--navy:#0B1D37;--navy2:#102A4C;--gold:#B89B5E;--gold-dark:#7A5A12;--paper:#F4F1EA;--paper2:#E9E6E0;--text:#F4F1EA;--muted:#C9CFD8;--muted2:#8E97A6;--text-dark:#06111F;--muted-dark:#5B6572;--line:rgba(244,241,234,.15);--line-dark:#C9C3B6;--serif:'Source Serif 4',Georgia,'Times New Roman',serif;--sans:'Manrope',system-ui,-apple-system,'Segoe UI',sans-serif;--pad:clamp(20px,4vw,56px)}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ink);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--gold)}
h1,h2,h3{margin:0;font-family:var(--serif);font-weight:300;text-wrap:balance;letter-spacing:-.02em}
p,ul,ol{margin:0;text-wrap:pretty}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.skip{position:absolute;left:-999px;top:8px;background:var(--gold);color:var(--ink);padding:10px 16px;border-radius:999px;z-index:100;font-weight:700}
.skip:focus{left:16px}
[hidden]{display:none!important}
.form__notice{font-size:14px;line-height:1.55;color:#5B6572;background:#FBFAF7;border:1px solid #E3DED4;border-radius:4px;padding:10px 12px}
.form__submit[disabled]{opacity:.6;cursor:progress}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* header */
.site-header{position:fixed;inset:0 0 auto 0;z-index:40;isolation:isolate;display:flex;align-items:center;justify-content:space-between;padding:clamp(18px,2.5vw,32px) var(--pad);pointer-events:none}
.site-header>*{pointer-events:auto}
.site-header::before{content:"";position:absolute;inset:0;background:rgba(6,17,31,.82);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);opacity:0;transition:opacity .25s;z-index:-1;border-bottom:1px solid rgba(244,241,234,.08)}
.scrolled .site-header::before{opacity:1}
.scrolled.on-light .site-header::before{background:rgba(244,241,234,.88);border-bottom-color:rgba(6,17,31,.1)}
.scrolled{--hdr:1}
.brand{display:flex;align-items:center;gap:12px;white-space:nowrap;color:var(--text);mix-blend-mode:difference}
.brand__mark{width:36px;height:36px;display:block;flex:none}
.brand__text{display:flex;flex-direction:column;line-height:1.05}
.brand__name{font-family:var(--serif);font-size:20px;letter-spacing:.14em}
.brand__sig{font-size:10px;letter-spacing:.06em;opacity:.8}
.header-actions{display:flex;align-items:center;gap:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:999px;font-weight:700;font-size:15px;padding:18px 30px;border:0;cursor:pointer;white-space:nowrap;transition:background .2s,color .2s,border-color .2s}
.btn--gold{background:var(--gold);color:var(--ink)}
.btn--gold:hover{background:var(--paper);color:var(--ink)}
.btn--ghost{background:rgba(6,17,31,.35);color:var(--text);border:1px solid rgba(244,241,234,.5);padding:12px 20px;font-size:14px;letter-spacing:.04em;font-weight:600;backdrop-filter:blur(6px)}
.btn--ghost:hover{border-color:var(--gold);color:var(--gold);background:#0B1D37}
.btn--outline{background:none;border:1px solid var(--navy2);color:var(--navy2);padding:12px 18px;font-size:15px;font-weight:600}
.btn--outline:hover{background:var(--navy2);color:#fff}
.icon-btn{width:46px;height:46px;border-radius:999px;border:1px solid rgba(244,241,234,.5);background:rgba(6,17,31,.35);backdrop-filter:blur(6px);display:grid;place-items:center;cursor:pointer;color:var(--text)}
.icon-btn:hover{border-color:var(--gold);color:var(--gold);background:#0B1D37}
.on-light .btn--ghost,.on-light .icon-btn{color:#06111F;background:rgba(244,241,234,.7);border-color:rgba(6,17,31,.45)}
.on-light .btn--ghost:hover,.on-light .icon-btn:hover{color:var(--gold-dark);border-color:var(--gold-dark);background:#F4F1EA}
.burger{display:block;width:18px;height:1.5px;background:currentColor;box-shadow:0 -5px 0 currentColor,0 5px 0 currentColor}

/* menu */
.menu{position:fixed;inset:0;z-index:50;background:var(--ink);display:flex;flex-direction:column;justify-content:center;padding:clamp(72px,10vw,100px) var(--pad) var(--pad);overflow-y:auto}
.menu[hidden]{display:none}
.menu__close{position:absolute;top:clamp(18px,2.5vw,32px);right:var(--pad);font-size:22px}
.menu__list{list-style:none;padding:0;margin:auto 0;display:flex;flex-direction:column;gap:clamp(2px,.8vw,12px)}
.menu__link{display:flex;align-items:baseline;gap:20px;font-family:var(--serif);font-size:clamp(26px,4.2vw,56px);font-weight:300;line-height:1.1;padding:4px 0}
.menu__link small{font-family:var(--sans);font-size:13px;color:var(--gold);letter-spacing:.1em}
.menu__link[aria-current=page]{color:var(--gold)}

/* chapter index */
.idx{position:fixed;right:clamp(16px,2.5vw,40px);top:50%;transform:translateY(-50%);z-index:30;list-style:none;margin:0;padding:10px 12px;display:none;flex-direction:column;gap:10px;align-items:flex-end;background:#0B1D37;border-radius:4px}
@media(min-width:900px){.idx{display:flex}}
.idx button{background:none;border:0;cursor:pointer;display:flex;align-items:center;gap:10px;color:#C9CFD8;font-size:11px;letter-spacing:.12em;padding:4px 0}
.idx button::before{content:"";width:12px;height:1px;background:currentColor;transition:width .3s}
.idx button[aria-current=true]{color:var(--gold)}
.idx button[aria-current=true]::before{width:28px}
.idx--dark{background:#F4F1EA}
.idx--dark button{color:#5B6572}
.idx--dark button[aria-current=true]{color:var(--gold-dark)}

/* chapters */
.chapter{position:relative;min-height:100svh;display:flex;align-items:center;background:var(--navy)}
.chapter--end{align-items:flex-end}
.chapter--ink{background:var(--ink)}
.chapter--light{background:var(--paper);color:var(--text-dark)}
.chapter__media{position:absolute;inset:0;overflow:hidden;z-index:0;background:linear-gradient(160deg,#102A4C 0%,#0B1D37 55%,#06111F 100%)}
.chapter__media img{width:100%;height:100%;object-fit:cover;object-position:var(--focus,50% 50%)}
@media(max-width:700px){.chapter__media img{object-position:var(--focus-m,var(--focus,50% 50%))}}
.chapter__media::after{content:"";position:absolute;inset:0;background:var(--overlay,linear-gradient(180deg,rgba(6,17,31,.35) 0%,rgba(6,17,31,.2) 35%,rgba(6,17,31,.94) 72%,rgba(6,17,31,.97) 100%))}
.chapter__media--side::after{background:linear-gradient(90deg,rgba(6,17,31,.95) 0%,rgba(6,17,31,.9) 45%,rgba(6,17,31,.55) 75%,rgba(6,17,31,.35) 100%)}
@media(max-width:700px){.chapter__media--side::after{background:linear-gradient(180deg,rgba(6,17,31,.45) 0%,rgba(6,17,31,.92) 45%,rgba(6,17,31,.97) 100%)}}
.chapter__body{position:relative;z-index:2;width:100%;padding:clamp(90px,12vw,140px) var(--pad) clamp(40px,6vw,72px);display:flex;flex-direction:column;gap:clamp(20px,3vw,32px)}
.chapter__body--grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));gap:clamp(28px,4vw,64px);align-items:end}
.chapter__body--grid .stack--panel{background:rgba(11,29,55,.94);padding:clamp(20px,2.4vw,28px);border-radius:4px;box-sizing:border-box}
.chapter__body--split{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,380px),1fr));gap:clamp(32px,5vw,80px);align-items:start}
.stack{display:flex;flex-direction:column;gap:clamp(16px,2.5vw,28px)}
.stack--tight{gap:16px}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--gold)}
.eyebrow span{margin-right:14px}
.eyebrow--pill{display:inline-flex;align-items:center;width:max-content;max-width:100%;background:#0B1D37;color:#B89B5E;padding:8px 12px;border-radius:3px;line-height:1.3}
/* Kontrast: #B89B5E na #0B1D37 = 6,34:1 nezávisle na fotografii */
.chapter--light .eyebrow{color:var(--gold-dark)}
.display{font-size:clamp(38px,6.4vw,96px);line-height:1;max-width:16ch}
.display--md{font-size:clamp(36px,5.6vw,80px);line-height:1.02;max-width:18ch}
.display--sm{font-size:clamp(32px,4.2vw,56px);line-height:1.05;max-width:22ch}
.lead{font-size:clamp(16px,1.4vw,19px);line-height:1.55;color:var(--muted);max-width:50ch}
.chapter--light .lead{color:var(--muted-dark)}
.note{font-size:14px;line-height:1.6;color:var(--muted2);max-width:48ch}
.note b{color:var(--gold);font-weight:600}
.chapter--light .note{color:var(--muted-dark)}
.row{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:24px}
.row--panel .lead{background:rgba(11,29,55,.94);padding:clamp(16px,2vw,22px);border-radius:4px}
.link{display:inline-flex;align-items:center;gap:12px;font-weight:600;font-size:15px;border-bottom:1px solid rgba(244,241,234,.4);padding-bottom:8px;width:max-content}
.chapter--light .link{border-color:rgba(6,17,31,.3)}
.scroll-hint{display:flex;align-items:center;gap:12px;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);padding-top:8px}
.scroll-hint::before{content:"";display:inline-block;width:1px;height:28px;background:var(--gold);animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{transform:translateY(0);opacity:.5}50%{transform:translateY(8px);opacity:1}}

/* lists & grids */
.cells{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.chapter--light .cells{background:var(--line-dark);border-color:var(--line-dark)}
.cell{background:var(--navy);padding:clamp(20px,2.4vw,32px);display:flex;flex-direction:column;gap:clamp(24px,4vw,56px)}
.chapter--light .cell{background:var(--paper)}
.cell small{font-size:12px;letter-spacing:.14em;color:var(--gold)}
.chapter--light .cell small{color:var(--gold-dark)}
.cell h3{font-size:clamp(20px,1.7vw,26px);line-height:1.15;font-weight:400}
.cell p{font-size:15px;line-height:1.6;color:var(--muted);margin-top:10px}
.chapter--light .cell p{color:var(--muted-dark)}
.lines{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.chapter--light .lines{border-color:var(--line-dark)}
.lines li{display:flex;gap:20px;padding:16px 0;border-bottom:1px solid var(--line);font-size:clamp(15px,1.3vw,18px);line-height:1.5}
.chapter--light .lines li{border-color:var(--line-dark)}
.lines li small{color:var(--gold);font-size:12px;letter-spacing:.1em;padding-top:5px;flex:none}
.chapter--light .lines li small{color:var(--gold-dark)}
.lines li b{display:block;font-weight:600;font-size:17px}
.lines li span{color:var(--muted-dark);font-size:15px}
.aside{display:flex;flex-direction:column;gap:32px;padding-top:clamp(0px,4vw,56px)}
.aside h3{font-size:22px;font-weight:400}
.aside p{font-size:15px;line-height:1.6;color:var(--muted-dark);margin-top:10px}
.aside .rule{border-left:1px solid var(--gold-dark);padding-left:20px}
.aside .qa{border-top:1px solid var(--line-dark);padding:14px 0}
.aside .qa b{font-weight:600}
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;border-top:1px solid var(--line);padding-top:20px;max-width:560px}
.facts b{display:block;font-family:var(--serif);font-weight:300;font-size:clamp(24px,2.6vw,36px)}
.facts span{font-size:13px;color:var(--muted2)}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:clamp(24px,4vw,64px);border-top:1px solid var(--line-dark);padding-top:32px}
.cols ul{padding-left:18px;line-height:1.7;font-size:15px}
.cols .eyebrow{display:block;margin-bottom:12px}
.cols ul.dim{color:var(--muted-dark)}

/* faq */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:16px 0;cursor:pointer;font-weight:500}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--gold);font-size:20px;font-weight:300}
.faq details[open] summary::after{content:"−"}
.faq p{padding:0 0 18px;font-size:15px;color:var(--muted);max-width:60ch}

/* form */
.form{background:#fff;color:#1B2430;border:1px solid #E3DED4;border-radius:6px;padding:clamp(24px,3vw,36px);display:flex;flex-direction:column;gap:18px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:14px;font-weight:600}
.field label i{font-style:normal;font-weight:400;color:var(--muted-dark)}
.field input,.field select,.field textarea{border:1px solid #D8D2C6;border-radius:4px;padding:0 14px;height:48px;font-size:16px;background:#FBFAF7;width:100%}
.field textarea{height:auto;padding:12px 14px;resize:vertical;line-height:1.5}
.field[data-invalid] input,.field[data-invalid] select{border-color:#A33A2B}
.field .err{font-size:13px;color:#A33A2B;display:none}
.field[data-invalid] .err{display:block}
.form__submit{height:52px;background:var(--navy2);color:#fff;border:0;border-radius:4px;font-size:16px;font-weight:700;cursor:pointer}
.form__submit:hover{background:var(--navy)}
.form__legal{font-size:13px;line-height:1.55;color:var(--muted-dark)}
.form__legal a{text-decoration:underline}
.form__result{display:none;flex-direction:column;gap:14px}
.form__result[data-show]{display:flex}
.form__result h3{font-family:var(--serif);font-weight:500;font-size:24px}
.form,.form__result,.field{scroll-margin-top:clamp(120px,10vw,140px)}
.form__result p{font-size:15px;color:var(--muted-dark)}
.form__result pre{white-space:pre-wrap;font:inherit;font-size:14px;line-height:1.6;background:#FBFAF7;border:1px solid #E3DED4;border-radius:4px;padding:14px;margin:0;color:#1B2430}
.form__result .actions{display:flex;flex-wrap:wrap;gap:10px}
.form__result pre{scroll-margin-top:clamp(120px,10vw,140px)}
.form__result pre:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.form__copy-hint{font-size:13px;line-height:1.5;color:var(--muted-dark);margin:0}
.form__copy-msg{font-size:14px;line-height:1.5;color:#1B2430;min-height:0;margin:0}
.form__copy-msg:empty{display:none}

/* footer */
.site-footer{background:var(--ink);color:var(--muted2);font-size:13px;border-top:1px solid rgba(244,241,234,.1);padding:28px var(--pad);display:flex;flex-wrap:wrap;gap:16px 40px;justify-content:space-between;align-items:center}
.site-footer nav{display:flex;flex-wrap:wrap;gap:10px 24px}
.site-footer__id{display:flex;flex-direction:column;gap:4px}
.site-footer__id strong{color:var(--text);font-weight:600;letter-spacing:.1em}
.site-footer__note{font-size:12px;opacity:.8;max-width:60ch;margin-top:6px}
.form__notice a{text-decoration:underline}

/* prose page */
.prose{max-width:70ch;padding:clamp(120px,16vw,180px) var(--pad) clamp(56px,8vw,96px);display:flex;flex-direction:column;gap:18px}
.prose h1{font-size:clamp(34px,4.4vw,56px);line-height:1.05}
.prose h2{font-size:22px;font-weight:400;margin-top:14px}
.prose p,.prose li{color:var(--muted);font-size:16px}
.prose mark{background:rgba(184,155,94,.25);color:var(--text);padding:0 4px}

@media(max-width:600px){.header-actions .btn--ghost{display:none}.facts{grid-template-columns:1fr 1fr}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.scroll-hint::before{animation:none}*{transition:none!important}}