/* lastuvka.dev — runtime styles of the shared renderer (T012). Derived from template/assets/css/styles.css; see implementation/reports/T012-validation.md for the deliberate differences. */
/* Optional display avoids late font swaps moving headings on slow connections. */
/* Self-hosted variable fonts, SIL OFL 1.1 (fonts/OFL-*.txt), latin and latin-ext subsets (D009) */
@font-face{font-family:'Fira Code';font-style:normal;font-weight:400 700;font-display:optional;src:url("fonts/fira-code-latin-ext-801677342d11.woff2") format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Fira Code';font-style:normal;font-weight:400 700;font-display:optional;src:url("fonts/fira-code-latin-771bf4b79a97.woff2") format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
@font-face{font-family:'Instrument Sans';font-style:normal;font-weight:400 600;font-display:optional;src:url("fonts/instrument-sans-latin-ext-c4fcfea41f2c.woff2") format('woff2');unicode-range:U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF}
@font-face{font-family:'Instrument Sans';font-style:normal;font-weight:400 600;font-display:optional;src:url("fonts/instrument-sans-latin-2ee17598a98d.woff2") format('woff2');unicode-range:U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD}
:root{
  --font-sans:'Instrument Sans',system-ui,sans-serif;
  --font-mono:'Fira Code',ui-monospace,monospace;
  --white:#fff;
  --r-sm:14px;--r-md:24px;--r-lg:28px;--r-xl:32px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --shadow-hover:0 14px 32px oklch(0 0 0/.12);
  --pad-x:64px;
}
/* 1 · Námořnická + žlutá (výchozí) */
:root,[data-theme="navy"]{
  --ink:oklch(0.22 0.04 260);--accent:oklch(0.85 0.17 90);--second:oklch(0.6 0.17 250);
  --bg:oklch(0.965 0.012 85);--line:oklch(0.9 0.01 85);--muted:oklch(0.45 0.02 260);
  --on-ink-muted:oklch(0.85 0.02 260);--on-second:oklch(0.95 0.01 250);--on-accent:oklch(0.3 0.04 260);
  --ph-dark-a:oklch(0.3 0.05 260);--ph-dark-b:oklch(0.34 0.05 260);--ph-a:oklch(0.91 0.012 85);--ph-b:oklch(0.94 0.01 85);
}
/* 2 · Lesní zeleň + měď */
[data-theme="forest"]{
  --ink:oklch(0.27 0.05 165);--accent:oklch(0.8 0.12 70);--second:oklch(0.52 0.11 170);
  --bg:oklch(0.965 0.008 110);--line:oklch(0.9 0.01 110);--muted:oklch(0.45 0.03 165);
  --on-ink-muted:oklch(0.85 0.03 165);--on-second:oklch(0.96 0.01 170);--on-accent:oklch(0.3 0.05 60);
  --ph-dark-a:oklch(0.33 0.05 165);--ph-dark-b:oklch(0.37 0.05 165);--ph-a:oklch(0.91 0.01 110);--ph-b:oklch(0.94 0.008 110);
}
/* 3 · Grafit + ledová modř */
[data-theme="graphite"]{
  --ink:oklch(0.21 0.01 260);--accent:oklch(0.84 0.09 200);--second:oklch(0.55 0.17 255);
  --bg:oklch(0.97 0.003 260);--line:oklch(0.9 0.004 260);--muted:oklch(0.45 0.01 260);
  --on-ink-muted:oklch(0.82 0.01 260);--on-second:oklch(0.96 0.01 255);--on-accent:oklch(0.25 0.03 220);
  --ph-dark-a:oklch(0.29 0.01 260);--ph-dark-b:oklch(0.33 0.01 260);--ph-a:oklch(0.92 0.003 260);--ph-b:oklch(0.945 0.003 260);
}
/* 4 · Vínová + písková */
[data-theme="wine"]{
  --ink:oklch(0.3 0.08 20);--accent:oklch(0.86 0.08 80);--second:oklch(0.55 0.15 28);
  --bg:oklch(0.97 0.01 70);--line:oklch(0.9 0.012 70);--muted:oklch(0.47 0.04 20);
  --on-ink-muted:oklch(0.86 0.03 20);--on-second:oklch(0.96 0.01 30);--on-accent:oklch(0.3 0.06 30);
  --ph-dark-a:oklch(0.36 0.07 20);--ph-dark-b:oklch(0.4 0.07 20);--ph-a:oklch(0.92 0.012 70);--ph-b:oklch(0.945 0.01 70);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.5 var(--font-sans);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:opacity .2s ease}
a:hover{opacity:.75}
h1,h2,h3,h4,p{margin:0}
img{display:block;max-width:100%}
input,textarea,button,select{font:inherit;color:inherit}
mark{background:var(--accent);padding:0 8px;border-radius:8px;color:inherit}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

@keyframes up{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
@keyframes marquee{to{transform:translateX(-50%)}}
@keyframes float{0%,100%{transform:rotate(var(--r,0deg)) translateY(0)}50%{transform:rotate(var(--r,0deg)) translateY(-8px)}}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 oklch(0.65 0.18 150/.6)}70%{box-shadow:0 0 0 8px oklch(0.65 0.18 150/0)}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}

/* ---------- Layout ---------- */
.page{max-width:1280px;margin:0 auto;overflow:clip}
.section{padding:80px var(--pad-x)}
.section--tight{padding-top:0}
.section--white{background:var(--white)}
.section--rounded-top{border-radius:40px 40px 0 0}
.section__head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:40px}
.section__title{font-size:clamp(30px,3.4vw,44px);font-weight:600;letter-spacing:-.02em;line-height:1.1;max-width:620px;text-wrap:pretty}
.grid{display:grid;gap:16px}
.grid--2{grid-template-columns:1fr 1fr}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--4{grid-template-columns:repeat(4,1fr)}
.grid--gap-lg{gap:20px}

/* ---------- Atoms ---------- */
.eyebrow{font:400 13px var(--font-mono);color:var(--muted);text-transform:uppercase;letter-spacing:.02em}
.eyebrow--accent{color:var(--accent)}
.eyebrow--light{color:var(--on-ink-muted)}
.eyebrow--inherit{color:inherit}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:18px 28px;border-radius:999px;border:1px solid transparent;font-weight:600;font-size:16px;line-height:1;white-space:nowrap;cursor:pointer;background:none;transition:transform .2s ease,opacity .2s ease}
.btn:hover{transform:translateY(-2px);opacity:1}
.btn--accent{background:var(--accent);color:var(--on-accent)}
.btn--ink{background:var(--ink);color:var(--white)}
.btn--white{background:var(--white);color:var(--ink)}
.btn--outline-light{border-color:oklch(1 0 0/.3);color:var(--white);font-weight:500;padding:18px 22px}
.btn--outline-ink{border-color:var(--ink);color:var(--ink);font-weight:500}
.btn--sm{padding:12px 20px;font-size:15px;font-weight:500}
.btn--xs{padding:10px 16px;font-size:15px;font-weight:500}
.btn--link{padding:0;border:0;font-weight:500;background:none;color:inherit}
.btn--block{width:100%}

.chip{display:inline-flex;align-items:center;padding:10px 16px;border-radius:999px;font-size:14px;font-weight:500;white-space:nowrap;border:1px solid var(--line);background:var(--white);color:var(--ink);cursor:pointer;transition:transform .2s ease}
.chip:hover{transform:translateY(-1px);opacity:1}
.chip--active{background:var(--ink);color:var(--white);border-color:var(--ink)}
.chip--on-dark{border-color:oklch(1 0 0/.35);background:transparent;color:var(--white)}
.chip--on-dark.chip--active,.chip--accent{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}
.chip-group{display:flex;gap:8px;flex-wrap:wrap}
.chip-group input{position:absolute;opacity:0;pointer-events:none}
.chip-group input:checked+.chip{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}
.chip-group--light .chip{border-color:oklch(1 0 0/.35);background:transparent;color:var(--white)}

.tag{display:inline-flex;align-self:flex-start;padding:6px 12px;border-radius:999px;font-size:13px;font-weight:600;background:var(--accent);color:var(--on-accent)}
.tag--mono{font:400 12px var(--font-mono);background:var(--bg);border:1px solid var(--line);color:var(--ink);padding:4px 10px}

.num{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:52px;height:52px;border-radius:16px;background:var(--ink);color:var(--accent);font:700 16px var(--font-mono)}
.num--inverse{background:var(--white);color:var(--second)}
.num--md{width:44px;height:44px;border-radius:14px;font-size:14px}
.num--sm{width:36px;height:36px;border-radius:12px;font-size:14px}
.num--big{width:auto;height:auto;background:none;color:var(--ink);font:600 40px/1 var(--font-sans);letter-spacing:-.03em;border-radius:0}

.sticker{position:absolute;padding:12px 16px;border-radius:14px;font-size:14px;font-weight:600;box-shadow:0 8px 24px oklch(0 0 0/.25);transform:rotate(var(--r,0deg));animation:float var(--dur,5s) ease-in-out var(--delay,0s) infinite}
.sticker--white{background:var(--white);color:var(--ink)}
.sticker--second{background:var(--second);color:var(--white)}
.sticker--accent{background:var(--accent);color:var(--ink)}

.ph{border-radius:16px;background:repeating-linear-gradient(135deg,var(--ph-a) 0 10px,var(--ph-b) 10px 20px);display:flex;align-items:flex-end;padding:12px;font:400 12px var(--font-mono);color:var(--muted);overflow:hidden;position:relative}
.ph--dark{background:repeating-linear-gradient(135deg,var(--ph-dark-a) 0 10px,var(--ph-dark-b) 10px 20px);color:var(--on-ink-muted)}
.ph--16-10{aspect-ratio:16/10}
.ph--16-11{aspect-ratio:16/11}
.ph--round{border-radius:50%;width:44px;height:44px;padding:0}
.ph>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}

.blob{position:absolute;border-radius:50%;background:var(--second);opacity:.35;pointer-events:none}
.blob--ink{background:var(--ink);opacity:.12}
.blob--strong{opacity:.5}

.field{width:100%;padding:16px 18px;border:0;border-radius:var(--r-sm);background:var(--white);color:var(--ink);font-size:16px}
.field::placeholder{color:var(--muted)}
.field:focus{outline:2px solid var(--accent);outline-offset:2px}
textarea.field{resize:none}
.form{display:flex;flex-direction:column;gap:12px;position:relative}
.form--loose{gap:20px}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form__group{display:flex;flex-direction:column;gap:10px}
.form__footer{display:flex;justify-content:space-between;align-items:center;gap:16px}
.form__note{font-size:13px;color:var(--on-ink-muted)}
.form__status{margin:0 0 12px;padding:0;font-size:15px;outline:0}
.form__status:empty{display:none}
.form__status--ok,.form__status--error,.form__status--busy{padding:12px 14px;border-radius:8px;border:1px solid currentColor}
.form__status--ok{color:#1f6b3a;background:#e6f4ea}
.form__status--error{color:#9a1f1f;background:#fdecea}
.form__status--busy{color:inherit}
.form__error{margin:4px 0 0;padding:2px 8px;font-size:13px;color:#9a1f1f;background:#fdecea;border-radius:6px;align-self:flex-start}
.field[aria-invalid=true]{outline:2px solid #d93025}

/* ---------- Cards ---------- */
.card{border-radius:var(--r-md);padding:28px;display:flex;flex-direction:column;gap:14px;position:relative;overflow:hidden}
.card--hover{transition:transform .25s ease,box-shadow .25s ease}
.card--hover:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);opacity:1}
.card--white{background:var(--white);border:1px solid var(--line)}
.card--bg{background:var(--bg);border:1px solid var(--line)}
.card--ink{background:var(--ink);color:var(--white)}
.card--second{background:var(--second);color:var(--white)}
.card--accent{background:var(--accent);color:var(--on-accent)}
.card--lg{border-radius:var(--r-lg);padding:40px;gap:16px}
.card--md{border-radius:var(--r-lg);padding:32px;gap:18px}
.card--xl{border-radius:var(--r-xl)}
.card__body{display:flex;flex-direction:column;gap:10px}
.card__title{font-size:21px;font-weight:600;line-height:1.2}
.card__title--lg{font-size:30px;letter-spacing:-.015em;line-height:1.1}
.card__title--xl{font-size:32px;letter-spacing:-.015em;line-height:1.1}
.card__text{font-size:15px;line-height:1.5;color:var(--muted)}
.card__text--md{font-size:16px;line-height:1.55}
.card--ink .card__text,.card--second .card__text,.card--accent .card__text{color:inherit}
.card--ink .card__text{color:var(--on-ink-muted)}
.card--second .card__text{color:var(--on-second)}
.card--ink .eyebrow{color:var(--accent)}
.card--second .eyebrow,.card--accent .eyebrow{color:inherit}
.card>*{position:relative}
.card>.blob{position:absolute}

.service-card{gap:40px;min-height:280px}

.work-card{display:flex;flex-direction:column;gap:14px;padding:24px;border-radius:var(--r-lg)}
.work-card__meta{display:flex;justify-content:space-between;gap:12px;font-size:16px}
.work-card__name{font-weight:600}
.work-card__stack{color:var(--muted)}
.works-grid{grid-template-columns:1.4fr 1fr 1fr}
.works-grid .quote-card{grid-column:2/4}
.work-card--feature{grid-row:1/3;padding:28px;justify-content:space-between;min-height:520px}
.work-card--feature .ph{position:absolute;inset:120px -40px -40px 60px;border-radius:24px;align-items:flex-start;padding:16px}
.work-card--feature .work-card__meta{flex-direction:column;align-items:flex-start;gap:8px;z-index:2}
.work-card--feature .work-card__name{font-size:28px}


/* Per-card overlay: validated tens + units encode 0–100 without inline CSS. */
.ph--work-overlay{isolation:isolate;--work-overlay-t:0;--work-overlay-u:0}
.ph--work-overlay::after{content:"";position:absolute;inset:0;z-index:1;background:#000;opacity:calc(var(--work-overlay-t) + var(--work-overlay-u));pointer-events:none;border-radius:inherit}
.work-overlay-t0{--work-overlay-t:.0}
.work-overlay-t1{--work-overlay-t:.1}
.work-overlay-t2{--work-overlay-t:.2}
.work-overlay-t3{--work-overlay-t:.3}
.work-overlay-t4{--work-overlay-t:.4}
.work-overlay-t5{--work-overlay-t:.5}
.work-overlay-t6{--work-overlay-t:.6}
.work-overlay-t7{--work-overlay-t:.7}
.work-overlay-t8{--work-overlay-t:.8}
.work-overlay-t9{--work-overlay-t:.9}
.work-overlay-t10{--work-overlay-t:1.0}
.work-overlay-u0{--work-overlay-u:.0}
.work-overlay-u1{--work-overlay-u:.01}
.work-overlay-u2{--work-overlay-u:.02}
.work-overlay-u3{--work-overlay-u:.03}
.work-overlay-u4{--work-overlay-u:.04}
.work-overlay-u5{--work-overlay-u:.05}
.work-overlay-u6{--work-overlay-u:.06}
.work-overlay-u7{--work-overlay-u:.07}
.work-overlay-u8{--work-overlay-u:.08}
.work-overlay-u9{--work-overlay-u:.09}

.ref-card{display:flex;flex-direction:column;gap:16px;padding:24px;border-radius:var(--r-lg)}
.ref-card__head{display:flex;justify-content:space-between;align-items:center;gap:12px}
.ref-card__stack{font:400 13px var(--font-mono);color:var(--muted)}
.ref-card__title{font-size:22px;font-weight:600;letter-spacing:-.01em;line-height:1.2}
.ref-card--feature{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;padding:36px}
.ref-card--feature .ref-card__title{font-size:34px;letter-spacing:-.02em;line-height:1.1}
.ref-card--feature .ref-card__stack{color:var(--on-ink-muted)}
.ref-card--feature .card__text{font-size:16px}

.quote-card{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:28px 32px;border-radius:var(--r-lg)}
.quote-card__text{font-size:22px;font-weight:600;line-height:1.3;max-width:420px}
.quote-card__author{font-size:14px;color:var(--on-second);text-align:right;white-space:nowrap}

.testimonial{gap:20px;padding:36px}
.testimonial__text{font-size:22px;font-weight:500;line-height:1.4;letter-spacing:-.01em}
.testimonial__author{display:flex;align-items:center;gap:14px;font-size:14px}
.testimonial__name{font-weight:600;display:block}
.testimonial__role{color:var(--muted)}

.stat-card{gap:6px}
.stat-card__value{font-size:52px;font-weight:600;letter-spacing:-.03em;line-height:1}
.stat-card__label{font-size:15px;color:var(--muted)}
.card--ink .stat-card__label{color:var(--on-ink-muted)}
.card--second .stat-card__label{color:var(--on-second)}

.article-card{display:flex;flex-direction:column;gap:16px;padding:20px;border-radius:var(--r-lg)}
.article-card__title{font-size:21px;font-weight:600;letter-spacing:-.01em;line-height:1.25;text-wrap:pretty}
.article-card__meta{font-size:14px;color:var(--muted)}
.article-card--feature{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;padding:40px;border-radius:var(--r-xl)}
.article-card--feature .card__body{gap:18px}
.article-card--feature .article-card__title{font-size:40px;letter-spacing:-.02em;line-height:1.08}
.article-card--feature .card__text{font-size:17px}
.article-card--feature .article-card__meta{font:400 13px var(--font-mono);color:var(--on-ink-muted)}

.lesson{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:24px 0;border-bottom:1px solid var(--line);align-items:start}
.lesson__body{display:flex;flex-direction:column;gap:6px}
.lesson__title{font-size:19px;font-weight:600}
.lesson__text{font-size:15px;line-height:1.5;color:var(--muted)}

.faq{gap:10px;padding:24px 28px;border-radius:20px}
.faq summary{list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center;cursor:pointer}
.faq summary::-webkit-details-marker{display:none}
.faq__q{font-size:19px;font-weight:600}
.faq__icon{width:32px;height:32px;border-radius:50%;background:var(--bg);display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--muted);flex-shrink:0}
.faq__icon::before{content:'+'}
.faq[open] .faq__icon::before{content:'−'}
.faq__a{font-size:15px;line-height:1.55;color:var(--muted);padding-top:10px}

.step{display:flex;gap:16px;align-items:flex-start}
.step__body{display:flex;flex-direction:column;gap:2px}
.step__title{font-weight:600;font-size:16px}
.step__text{font-size:14px;line-height:1.5}

.post-list{display:flex;flex-direction:column;font-size:17px}
.post-list__item{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px solid var(--line);align-items:center}
.post-list__item:last-child{border-bottom:0}
.post-list__title{font-weight:500}
.post-list__date{font:400 12px var(--font-mono);background:var(--bg);padding:4px 8px;border-radius:6px;white-space:nowrap}

/* ---------- Navigation ---------- */
.site-nav{display:flex;justify-content:space-between;align-items:center;padding:24px var(--pad-x);font-size:15px;position:relative;z-index:5}
.site-nav__brand{display:flex;align-items:center;gap:10px;font-weight:600}
.site-nav__logo{width:34px;height:34px;border-radius:10px;background:var(--ink);color:var(--accent);display:flex;align-items:center;justify-content:center;font:700 14px var(--font-mono)}
.site-nav__menu{display:flex;gap:6px;background:var(--white);border:1px solid var(--line);border-radius:999px;padding:6px;list-style:none;margin:0}
.site-nav__link{display:block;padding:8px 16px;border-radius:999px}
.site-nav__link--active{background:var(--ink);color:var(--white)}
.site-nav__aside{display:flex;gap:16px;align-items:center}
.site-nav__lang{color:var(--muted)}
.site-nav__toggle{display:none;background:var(--white);border:1px solid var(--line);border-radius:999px;padding:10px 16px;font-weight:500;cursor:pointer}

/* ---------- Hero ---------- */
.hero{margin:16px 24px 0;background:var(--ink);color:var(--white);border-radius:var(--r-xl);padding:88px var(--pad-x) 0;display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:48px;align-items:end;position:relative;overflow:hidden}
.hero__content{display:flex;flex-direction:column;gap:32px;padding-bottom:88px;position:relative}
.hero__content>*{animation:up .8s var(--ease) both}
.hero__content>:nth-child(2){animation-delay:.1s}
.hero__content>:nth-child(3){animation-delay:.2s}
.hero__content>:nth-child(4){animation-delay:.3s}
.hero__content>:nth-child(5){animation-delay:.4s}
.hero__status{display:inline-flex;align-self:flex-start;align-items:center;gap:10px;font-size:14px;font-weight:500;background:var(--accent);color:var(--ink);padding:8px 14px;border-radius:999px}
.hero__dot{width:8px;height:8px;border-radius:50%;background:var(--ink);animation:pulse 2s ease-out infinite}
.hero__title{font-size:clamp(40px,5.8vw,74px);line-height:1.02;font-weight:600;letter-spacing:-.025em;text-wrap:pretty;max-width:720px}
.hero__highlight{display:inline-block;background:var(--second);padding:0 16px;border-radius:14px}
.hero__lead{font-size:21px;line-height:1.5;color:var(--on-ink-muted);max-width:580px;text-wrap:pretty}
.hero__actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.hero__visual{position:relative;width:420px;height:480px;animation:up .9s var(--ease) .2s both}
.hero__photo{position:absolute;inset:40px 0 0 0;border-radius:28px 28px 0 0;align-items:flex-start;justify-content:flex-end;padding:20px;font-size:13px}
.hero--course{padding:80px var(--pad-x);grid-template-columns:1fr 440px;align-items:center}
.hero--course .hero__content{padding-bottom:0;gap:28px}
.hero--course .hero__title{font-size:clamp(38px,5vw,64px)}
.hero--course .hero__visual{width:440px;height:400px}
.hero--course .hero__photo{inset:0;border-radius:28px}

.page-hero{padding:88px var(--pad-x) 48px;display:flex;flex-direction:column;gap:24px}
.page-hero>*{animation:up .8s var(--ease) both}
.page-hero>:nth-child(2){animation-delay:.1s}
.page-hero>:nth-child(3){animation-delay:.2s}
.page-hero>:nth-child(4){animation-delay:.3s}
.page-hero__title{font-size:clamp(40px,5.6vw,72px);line-height:1.02;font-weight:600;letter-spacing:-.025em;max-width:820px;text-wrap:pretty}
.page-hero__lead{font-size:20px;line-height:1.5;color:var(--muted);max-width:620px;text-wrap:pretty}
.page-hero__meta{display:flex;gap:16px;align-items:center;flex-wrap:wrap;font:400 13px var(--font-mono);color:var(--muted)}

.marquee{margin:0 24px;overflow:hidden;padding:22px 0;font:500 15px var(--font-mono);color:var(--muted)}
.marquee__track{display:flex;gap:40px;width:max-content;animation:marquee 40s linear infinite}
.marquee__group{display:flex;gap:40px;white-space:nowrap}
.marquee__sep{color:var(--second)}

/* ---------- Sections ---------- */
.about{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding-top:40px;padding-bottom:96px}
.about__content{display:flex;flex-direction:column;gap:28px}
.about__text{font-size:clamp(21px,2.5vw,32px);line-height:1.3;font-weight:500;letter-spacing:-.015em;text-wrap:pretty}

.teasers{display:grid;grid-template-columns:1fr 1fr;gap:20px}

.cta{margin:0 24px;background:var(--ink);color:var(--white);border-radius:var(--r-xl);padding:88px var(--pad-x);display:grid;grid-template-columns:1fr 1fr;gap:80px;position:relative;overflow:hidden}
.cta>*{position:relative}
.cta>.blob{position:absolute}
.cta__content{display:flex;flex-direction:column;gap:20px}
.cta__title{font-size:clamp(34px,4.4vw,56px);font-weight:600;letter-spacing:-.025em;line-height:1.02;text-wrap:pretty}
.cta__text{font-size:18px;line-height:1.5;color:var(--on-ink-muted);text-wrap:pretty}
.cta__links{display:flex;gap:10px;margin-top:8px;flex-wrap:wrap}
.cta--order{padding:80px var(--pad-x);grid-template-columns:1fr 1.2fr;gap:64px}
.cta--order .cta__title{font-size:52px}
.cta--order .cta__text{font-size:17px}
.cta--banner{display:flex;justify-content:space-between;align-items:center;gap:48px;padding:64px;margin-bottom:24px}
.cta--banner .cta__title{font-size:44px;letter-spacing:-.02em;line-height:1.05}
.cta--banner .cta__text{font-size:17px}
.cta--banner .cta__content{gap:12px}

.lessons{display:grid;grid-template-columns:1fr 1fr;gap:0 48px}
.course-info{grid-template-columns:1.2fr 1fr;gap:20px}
.price{font-size:56px;font-weight:600;letter-spacing:-.03em;line-height:1}

.faq-section{display:grid;grid-template-columns:380px 1fr;gap:64px;align-items:start}
.faq-section__head{display:flex;flex-direction:column;gap:16px}
.faq-section__list{display:flex;flex-direction:column;gap:12px}

.instructor{display:grid;grid-template-columns:300px 1fr;gap:48px;align-items:center}
.instructor__photo{width:300px;height:340px;border-radius:28px;border:1px solid var(--line);padding:16px;font-size:13px}
.instructor__content{display:flex;flex-direction:column;gap:20px}
.instructor__text{font-size:18px;line-height:1.55;color:var(--muted);max-width:680px;text-wrap:pretty}

.contact{display:grid;grid-template-columns:1.2fr 1fr;gap:20px;align-items:start;padding-top:0}
.contact__form{background:var(--ink);color:var(--white);border-radius:var(--r-xl);padding:48px;gap:20px;overflow:hidden;animation:up .8s var(--ease) .3s both}
.contact__form>*{position:relative}
.contact__form>.blob{position:absolute}
.contact__aside{display:flex;flex-direction:column;gap:20px;animation:up .8s var(--ease) .4s both}
.contact__email{font-size:24px;font-weight:600;letter-spacing:-.01em}
.contact__link{font-size:17px;color:var(--muted);display:flex;justify-content:space-between}
.contact__billing{font-size:15px;color:var(--muted);gap:8px}
.contact__billing strong{color:var(--ink);font-weight:600;font-size:17px}

.references{padding-top:16px;grid-template-columns:1fr 1fr;gap:20px}
.case{grid-template-columns:repeat(3,1fr)}
.testimonials{grid-template-columns:1fr 1fr;gap:20px}

.blog-featured{padding:16px var(--pad-x) 20px}
.blog-grid{padding-top:20px;grid-template-columns:repeat(3,1fr);gap:20px}
.newsletter{justify-content:space-between;padding:32px;gap:16px}
.newsletter__title{font-size:24px;font-weight:600;letter-spacing:-.01em;line-height:1.15}
.newsletter__form{display:flex;flex-direction:column;gap:10px}
.newsletter .field{padding:14px 16px;border-radius:12px;font-size:15px}
.more{display:flex;justify-content:center;padding:0 var(--pad-x) 64px}

/* ---------- Článek / detail ---------- */
.article{padding:0 var(--pad-x) 80px;display:grid;grid-template-columns:1fr 720px 1fr;gap:40px}
.article__cover{grid-column:1/-1;border-radius:var(--r-xl);aspect-ratio:21/9}
.article__body{grid-column:2;font-size:19px;line-height:1.65;display:flex;flex-direction:column;gap:24px}
.article__body h2{font-size:32px;font-weight:600;letter-spacing:-.02em;line-height:1.15;margin-top:24px}
.article__body h3{font-size:22px;font-weight:600}
.article__body ul,.article__body ol{margin:0;padding-left:24px}
.article__body blockquote{margin:0;padding:24px 28px;border-radius:20px;background:var(--white);border:1px solid var(--line);font-size:22px;font-weight:500;line-height:1.4;letter-spacing:-.01em}
.article__body pre{margin:0;padding:20px 24px;border-radius:16px;background:var(--ink);color:var(--white);font:400 14px/1.6 var(--font-mono);overflow:auto}
.article__body code{font-family:var(--font-mono);font-size:.9em}
.article__body a{text-decoration:underline;text-underline-offset:3px}
.article__figure{margin:0}
.article__figure .ph{display:block;padding:0;background:none}
.article__figure img,.article__figure .ph>img{position:static;display:block;width:100%;height:auto;border-radius:20px}
.article__figure--w20{width:20%}.article__figure--w30{width:30%}.article__figure--w40{width:40%}.article__figure--w50{width:50%}.article__figure--w60{width:60%}.article__figure--w70{width:70%}.article__figure--w80{width:80%}.article__figure--w90{width:90%}
.article__figure--left{margin-right:auto}.article__figure--center{margin-left:auto;margin-right:auto}.article__figure--right{margin-left:auto}
.article__footer{grid-column:2;display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:32px;border-top:1px solid var(--line)}
.article__author{display:flex;align-items:center;gap:14px;font-size:14px}

.ref-detail{padding:0 var(--pad-x) 80px;display:flex;flex-direction:column;gap:20px}
.ref-detail__cover{border-radius:var(--r-xl);aspect-ratio:16/8}
.ref-detail__facts{grid-template-columns:repeat(4,1fr)}
.fact{gap:6px;padding:24px}
.fact__label{font:400 12px var(--font-mono);color:var(--muted);text-transform:uppercase}
.fact__value{font-size:18px;font-weight:600}

/* ---------- Patička ---------- */
.site-footer{padding:32px var(--pad-x);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:14px;color:var(--muted)}
.site-footer__links{display:flex;gap:20px}

/* ---------- Scroll reveal ---------- */
[data-reveal]{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
[data-reveal]>*:not(.blob){opacity:0;transform:translateY(16px);transition:opacity .7s var(--ease),transform .7s var(--ease);transition-delay:calc(var(--i,0)*90ms)}
[data-reveal].is-visible,[data-reveal].is-visible>*:not(.blob){opacity:1;transform:none}
.no-js [data-reveal],.no-js [data-reveal]>*{opacity:1;transform:none}

/* ---------- Responzivita ---------- */
@media (max-width:1100px){
  :root{--pad-x:40px}
  .grid--4{grid-template-columns:1fr 1fr}
  .hero{grid-template-columns:1fr 360px}
  .hero__visual{width:360px;height:420px}
  .hero--course{grid-template-columns:1fr 360px}
  .hero--course .hero__visual{width:360px;height:340px}
  .cta{gap:48px}
  .faq-section{grid-template-columns:1fr;gap:32px}
  .article{grid-template-columns:1fr;gap:32px}
  .article__body,.article__footer{grid-column:1;max-width:720px}
  .blog-grid,.case{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  :root{--pad-x:20px}
  .section{padding:40px var(--pad-x)}
  .section--rounded-top{border-radius:28px 28px 0 0}
  .section__head{flex-direction:column-reverse;align-items:flex-start;gap:8px;margin-bottom:20px}
  .section__title{font-size:30px}
  .grid--2,.grid--3,.grid--4,.teasers,.lessons,.course-info,.references,.case,.testimonials,.blog-grid,.ref-detail__facts{grid-template-columns:1fr}
  .grid{gap:12px}
  .site-nav{padding:16px var(--pad-x)}
  .site-nav__menu{display:none;position:absolute;top:calc(100% + 8px);left:var(--pad-x);right:var(--pad-x);flex-direction:column;gap:2px;border-radius:20px;padding:8px;box-shadow:var(--shadow-hover)}
  .site-nav.is-open .site-nav__menu{display:flex}
  .site-nav__link{padding:12px 16px}
  .site-nav__toggle{display:block}
  .site-nav__cta{display:none}
  .hero{margin:8px 12px 0;border-radius:24px;padding:40px 24px 0;grid-template-columns:1fr;gap:24px;align-items:start}
  .hero__content{gap:20px;padding-bottom:0}
  .hero__title{font-size:40px}
  .hero__highlight{padding:0 10px;border-radius:10px}
  .hero__lead{font-size:17px}
  .hero__actions .btn{flex:1 1 auto}
  .hero__visual{width:auto;height:320px;margin:0 16px}
  .hero__photo{inset:30px 0 0 0}
  .hero--course{padding:40px 24px}
  .hero--course .hero__title{font-size:38px}
  .hero--course .hero__visual{width:auto;height:240px;margin:0}
  .page-hero{padding:40px var(--pad-x) 24px;gap:16px}
  .page-hero__title{font-size:40px}
  .page-hero__lead{font-size:17px}
  .marquee{margin:0 12px;padding:18px 0;font-size:13px}
  .marquee__track,.marquee__group{gap:28px}
  .service-card{min-height:0;gap:24px}
  .works-grid{grid-template-columns:1fr}
  .works-grid .quote-card{grid-column:auto}
  .work-card--feature{grid-row:auto;min-height:360px}
  .work-card--feature .ph{inset:100px -24px -24px 40px}
  .about{grid-template-columns:1fr;gap:28px;padding-top:16px;padding-bottom:56px}
  .stat-card__value{font-size:40px}
  .cta,.cta--order,.cta--banner{margin:0 12px;border-radius:24px;padding:40px 24px;grid-template-columns:1fr;gap:24px;flex-direction:column;align-items:stretch}
  .cta__title,.cta--order .cta__title,.cta--banner .cta__title{font-size:34px}
  .form__row{grid-template-columns:1fr}
  .form__footer{flex-direction:column;align-items:flex-start}
  .lesson{grid-template-columns:44px 1fr;gap:12px;padding:14px 0}
  .num--big{font-size:28px}
  .price{font-size:44px}
  .instructor{grid-template-columns:1fr;gap:24px}
  .instructor__photo{width:100%;height:280px}
  .contact{grid-template-columns:1fr;padding:0 12px 40px}
  .contact__form{padding:28px 24px;border-radius:24px}
  .ref-card--feature{grid-template-columns:1fr;padding:24px;gap:20px}
  .ref-card--feature .ref-card__title{font-size:26px}
  .article-card--feature{grid-template-columns:1fr;padding:24px;gap:20px}
  .article-card--feature .article-card__title{font-size:28px}
  .quote-card{flex-direction:column;align-items:flex-start}
  .quote-card__author{text-align:left;white-space:normal}
  .article__body{font-size:17px}
  .article__figure--w20,.article__figure--w30,.article__figure--w40{width:50%}
  .article__cover{aspect-ratio:16/10}
  .site-footer{flex-direction:column;padding:24px var(--pad-x)}
}

/* ---------- T012: runtime additions and fixes of known defects of the static reference ---------- */
/* Fixed class replacing inline styles of the reference (nowrap marks, link weight, case-study title, prose layout) */
.nowrap{white-space:nowrap}
.about__link{font-weight:500}
.card__title--sm{font-size:20px}
.prose{display:grid;grid-template-columns:380px 1fr;gap:64px;align-items:start}
.prose__body{grid-column:auto}
.site-nav__logo--image{background:none;overflow:hidden;padding:0}
.site-nav__logo--image img{width:100%;height:100%;object-fit:contain;display:block}
/* Keyboard access: skip link and visible focus for every interactive element */
.skip-link{position:absolute;left:12px;top:-60px;z-index:20;background:var(--ink);color:var(--white);padding:10px 16px;border-radius:12px;font-weight:500}
.skip-link:focus{top:12px}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible,.chip:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
input:focus-visible+.chip{outline:2px solid var(--accent);outline-offset:3px}
@media (max-width:1100px){
  .prose{grid-template-columns:1fr;gap:32px}
}
@media (max-width:760px){
  .prose{gap:24px}
  .no-js .site-nav{flex-wrap:wrap;gap:12px}
  .no-js .site-nav__menu{display:flex;position:static;flex-direction:row;flex-wrap:wrap;width:100%;border-radius:20px;box-shadow:none}
  .no-js .site-nav__toggle{display:none}
}
/* The authenticated preview is edited while it is shown: no reveal animation may hide or move content */
[data-preview] [data-reveal],[data-preview] [data-reveal]>*{opacity:1;transform:none;transition:none}

/* T033: pick the no-JS menu before first paint, instead of collapsing it after the deferred script arrives.
   Browsers without the scripting media feature retain the existing no-js progressive fallback. */
@media (max-width:760px) and (scripting:enabled){
  .no-js .site-nav{flex-wrap:nowrap;gap:0}
  .no-js .site-nav__menu{display:none}
  .no-js .site-nav__toggle{display:block}
}

/* T045: validated per-use desktop focus, classes keep content out of inline CSS. */
@media (min-width: 761px){
.ph img{object-position:var(--focal-x,50%) var(--focal-y,50%)}
.focal-x-0{--focal-x:0%}.focal-y-0{--focal-y:0%}
.focal-x-1{--focal-x:1%}.focal-y-1{--focal-y:1%}
.focal-x-2{--focal-x:2%}.focal-y-2{--focal-y:2%}
.focal-x-3{--focal-x:3%}.focal-y-3{--focal-y:3%}
.focal-x-4{--focal-x:4%}.focal-y-4{--focal-y:4%}
.focal-x-5{--focal-x:5%}.focal-y-5{--focal-y:5%}
.focal-x-6{--focal-x:6%}.focal-y-6{--focal-y:6%}
.focal-x-7{--focal-x:7%}.focal-y-7{--focal-y:7%}
.focal-x-8{--focal-x:8%}.focal-y-8{--focal-y:8%}
.focal-x-9{--focal-x:9%}.focal-y-9{--focal-y:9%}
.focal-x-10{--focal-x:10%}.focal-y-10{--focal-y:10%}
.focal-x-11{--focal-x:11%}.focal-y-11{--focal-y:11%}
.focal-x-12{--focal-x:12%}.focal-y-12{--focal-y:12%}
.focal-x-13{--focal-x:13%}.focal-y-13{--focal-y:13%}
.focal-x-14{--focal-x:14%}.focal-y-14{--focal-y:14%}
.focal-x-15{--focal-x:15%}.focal-y-15{--focal-y:15%}
.focal-x-16{--focal-x:16%}.focal-y-16{--focal-y:16%}
.focal-x-17{--focal-x:17%}.focal-y-17{--focal-y:17%}
.focal-x-18{--focal-x:18%}.focal-y-18{--focal-y:18%}
.focal-x-19{--focal-x:19%}.focal-y-19{--focal-y:19%}
.focal-x-20{--focal-x:20%}.focal-y-20{--focal-y:20%}
.focal-x-21{--focal-x:21%}.focal-y-21{--focal-y:21%}
.focal-x-22{--focal-x:22%}.focal-y-22{--focal-y:22%}
.focal-x-23{--focal-x:23%}.focal-y-23{--focal-y:23%}
.focal-x-24{--focal-x:24%}.focal-y-24{--focal-y:24%}
.focal-x-25{--focal-x:25%}.focal-y-25{--focal-y:25%}
.focal-x-26{--focal-x:26%}.focal-y-26{--focal-y:26%}
.focal-x-27{--focal-x:27%}.focal-y-27{--focal-y:27%}
.focal-x-28{--focal-x:28%}.focal-y-28{--focal-y:28%}
.focal-x-29{--focal-x:29%}.focal-y-29{--focal-y:29%}
.focal-x-30{--focal-x:30%}.focal-y-30{--focal-y:30%}
.focal-x-31{--focal-x:31%}.focal-y-31{--focal-y:31%}
.focal-x-32{--focal-x:32%}.focal-y-32{--focal-y:32%}
.focal-x-33{--focal-x:33%}.focal-y-33{--focal-y:33%}
.focal-x-34{--focal-x:34%}.focal-y-34{--focal-y:34%}
.focal-x-35{--focal-x:35%}.focal-y-35{--focal-y:35%}
.focal-x-36{--focal-x:36%}.focal-y-36{--focal-y:36%}
.focal-x-37{--focal-x:37%}.focal-y-37{--focal-y:37%}
.focal-x-38{--focal-x:38%}.focal-y-38{--focal-y:38%}
.focal-x-39{--focal-x:39%}.focal-y-39{--focal-y:39%}
.focal-x-40{--focal-x:40%}.focal-y-40{--focal-y:40%}
.focal-x-41{--focal-x:41%}.focal-y-41{--focal-y:41%}
.focal-x-42{--focal-x:42%}.focal-y-42{--focal-y:42%}
.focal-x-43{--focal-x:43%}.focal-y-43{--focal-y:43%}
.focal-x-44{--focal-x:44%}.focal-y-44{--focal-y:44%}
.focal-x-45{--focal-x:45%}.focal-y-45{--focal-y:45%}
.focal-x-46{--focal-x:46%}.focal-y-46{--focal-y:46%}
.focal-x-47{--focal-x:47%}.focal-y-47{--focal-y:47%}
.focal-x-48{--focal-x:48%}.focal-y-48{--focal-y:48%}
.focal-x-49{--focal-x:49%}.focal-y-49{--focal-y:49%}
.focal-x-50{--focal-x:50%}.focal-y-50{--focal-y:50%}
.focal-x-51{--focal-x:51%}.focal-y-51{--focal-y:51%}
.focal-x-52{--focal-x:52%}.focal-y-52{--focal-y:52%}
.focal-x-53{--focal-x:53%}.focal-y-53{--focal-y:53%}
.focal-x-54{--focal-x:54%}.focal-y-54{--focal-y:54%}
.focal-x-55{--focal-x:55%}.focal-y-55{--focal-y:55%}
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}
.form__group > legend{margin-bottom:10px}