/* ============================================================
   BLUERED — DESIGN SYSTEM 2026
   Rodinné DNA (www-v7 / aiframe / cifro / aivideoskoleni)
   přeložené do BlueRed identity: Barlow + modrá #0053B2 + červená #FF0000
   Samostatný soubor — nezávislý na Bootstrapu, jQuery, GSAP.
   ============================================================ */

/* ── TOKENY ────────────────────────────────────────────── */
:root {
   /* Základ — sdílená rodinná navy */
   --bg-base:      #0a0e17;
   --bg-deep:      #060912;
   --bg-raise:     #111827;

   /* Sklo */
   --glass:        rgba(255, 255, 255, 0.03);
   --glass-2:      rgba(255, 255, 255, 0.05);
   --glass-brd:    rgba(255, 255, 255, 0.08);
   --glass-brd-2:  rgba(255, 255, 255, 0.14);
   --blur:         blur(20px);

   /* Text — vyšší kontrast */
   --text:         #ffffff;
   --text-soft:    #d6dde8;
   --text-muted:   #9aa6b8;
   --text-dim:     #6b7688;

   /* BlueRed značka — TVRDÉ barvy přímo z loga */
   --blue:         #0053B2;
   --red:          #FF0000;
   --blue-lt:      #1c74e0;   /* jen tam, kde by čistá modrá nebyla čitelná */
   --red-lt:       #FF0000;
   --blue-glow:    rgba(0, 83, 178, 0.55);
   --red-glow:     rgba(255, 0, 0, 0.45);

   --grad:         linear-gradient(115deg, var(--blue) 0%, var(--blue) 22%, var(--red) 78%, var(--red) 100%);
   --grad-soft:    linear-gradient(115deg, rgba(0,83,178,.22), rgba(255,0,0,.22));

   /* Linky */
   --brd:          rgba(255, 255, 255, 0.12);
   --brd-soft:     rgba(255, 255, 255, 0.06);
   --brd-strong:   rgba(255, 255, 255, 0.24);

   /* Typografie */
   --font:         'Barlow', system-ui, -apple-system, 'Segoe UI', sans-serif;

   /* Rozměry — škáluje až na 4K */
   --maxw:         min(2040px, 90vw);
   --gutter:       clamp(1.25rem, 4vw, 4rem);
   --section-py:   clamp(4.5rem, 8vw, 10rem);

   --ease:         cubic-bezier(0.16, 1, 0.3, 1);
}

/* ── RESET ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
:where(.br) * { margin: 0; padding: 0; }

.br {
   font-family: var(--font);
   background: var(--bg-base);
   color: var(--text);
   line-height: 1.6;
   -webkit-font-smoothing: antialiased;
   overflow-x: clip;
   position: relative;
}
/* Resety přes :where() — mají nulovou specificitu, takže je komponentní
   třída vždy přebije. (Dřív `.br a` = (0,1,1) přebíjelo `.x-cta__btn--solid` = (0,1,0)
   a tlačítko zdědilo bílou barvu na bílém pozadí.) */
:where(.br) :where(img, video, svg) { max-width: 100%; display: block; }
:where(.br) :where(a) { color: inherit; text-decoration: none; }
:where(.br) :where(ul, ol) { list-style: none; }
:where(.br) :where(button) { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* ── ATMOSFÉRA (rodinný podpis) ────────────────────────── */
.br-glow {
   position: fixed; inset: 0; z-index: 0; pointer-events: none;
   background:
      radial-gradient(ellipse 70% 55% at 12% 12%, rgba(0, 83, 178, 0.20), transparent 70%),
      radial-gradient(ellipse 60% 50% at 88% 78%, rgba(255, 0, 0, 0.13), transparent 70%),
      radial-gradient(circle at 50% 55%, rgba(59, 142, 240, 0.05), transparent 60%);
}
.br-grid {
   position: fixed; inset: 0; z-index: 0; pointer-events: none;
   background-image:
      linear-gradient(rgba(255, 255, 255, 0.032) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255, 255, 255, 0.032) 1px, transparent 1px);
   background-size: 44px 44px;
   mask-image: radial-gradient(ellipse 100% 70% at 50% 30%, #000 40%, transparent 100%);
   -webkit-mask-image: radial-gradient(ellipse 100% 70% at 50% 30%, #000 40%, transparent 100%);
}

/* ── LAYOUT ────────────────────────────────────────────── */
.br-wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter); position: relative; z-index: 2; }
.br-section { padding-block: var(--section-py); position: relative; z-index: 2; }
.br-section--tight { padding-block: clamp(3rem, 6vw, 5rem); }

/* ── TYPOGRAFIE / BRUTALISMUS ──────────────────────────── */
.br-eyebrow {
   display: inline-flex; align-items: center; gap: .6rem;
   font-size: clamp(.68rem, 1.4vw, .76rem);
   font-weight: 700; letter-spacing: .22em; text-transform: uppercase;
   color: var(--red-lt);
}
.br-eyebrow::before {
   content: ''; width: 22px; height: 2px; background: var(--grad); flex-shrink: 0;
}

.br-h1 {
   font-size: clamp(2.6rem, 9vw, 6.5rem);
   font-weight: 900; line-height: .92; letter-spacing: -0.035em;
   text-transform: uppercase; text-wrap: balance;
}
.br-h2 {
   font-size: clamp(2rem, 5.5vw, 3.6rem);
   font-weight: 900; line-height: 1.0; letter-spacing: -0.03em;
   text-transform: uppercase; text-wrap: balance;
}
.br-h3 {
   font-size: clamp(1.15rem, 2.4vw, 1.5rem);
   font-weight: 700; line-height: 1.2; letter-spacing: -0.015em;
}
.br-lead {
   font-size: clamp(1rem, 2vw, 1.18rem);
   font-weight: 300; color: var(--text-soft); line-height: 1.75; max-width: 62ch;
}
.br-body { color: var(--text-muted); font-weight: 300; line-height: 1.8; }
.br-grad {
   background: var(--grad);
   -webkit-background-clip: text; background-clip: text;
   -webkit-text-fill-color: transparent; color: transparent;
}

/* Číslovaný oddíl (01/ 02/ …) */
.br-num {
   font-size: .72rem; font-weight: 900; letter-spacing: .2em;
   color: var(--text-dim); font-variant-numeric: tabular-nums;
}

/* ── TLAČÍTKA ──────────────────────────────────────────── */
.br-btn {
   display: inline-flex; align-items: center; justify-content: center; gap: .7rem;
   padding: 1rem 2rem; min-height: 52px;
   font-size: .85rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase;
   border: 1px solid transparent; position: relative; overflow: hidden;
   transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s, border-color .25s, color .25s;
}
.br-btn svg { width: 15px; height: 15px; flex-shrink: 0; transition: transform .25s var(--ease); }

.br-btn--primary { background: var(--grad); color: #fff; box-shadow: 0 8px 30px -8px var(--red-glow); }
.br-btn--primary:hover { transform: translateY(-2px); box-shadow: 0 14px 40px -8px var(--red-glow); color: #fff; }
.br-btn--primary:hover svg { transform: translateX(4px); }

.br-btn--ghost { background: var(--glass); border-color: var(--glass-brd-2); color: var(--text); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur); }
.br-btn--ghost:hover { background: var(--glass-2); border-color: var(--text-dim); transform: translateY(-2px); }
.br-btn--ghost:hover svg { transform: translateX(4px); }

/* ── KARTY (sklo) ──────────────────────────────────────── */
.br-card {
   background: var(--glass); border: 1px solid var(--glass-brd);
   backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
   padding: clamp(1.5rem, 3vw, 2.2rem);
   position: relative; overflow: hidden;
   transition: border-color .3s var(--ease), background .3s var(--ease), transform .3s var(--ease);
   height: 100%; display: flex; flex-direction: column;
}
.br-card::before {
   content: ''; position: absolute; inset: 0 auto auto 0; height: 2px; width: 100%;
   background: var(--grad); transform: scaleX(0); transform-origin: left;
   transition: transform .4s var(--ease);
}
.br-card:hover { border-color: var(--glass-brd-2); background: var(--glass-2); transform: translateY(-3px); }
.br-card:hover::before { transform: scaleX(1); }

.br-card__ico {
   width: 46px; height: 46px; display: grid; place-items: center; margin-bottom: 1.3rem;
   background: var(--grad-soft); border: 1px solid var(--glass-brd);
   color: var(--blue-lt); flex-shrink: 0;
}
.br-card__ico svg { width: 21px; height: 21px; }

/* ── MŘÍŽKY ────────────────────────────────────────────── */
.br-cols { display: grid; gap: clamp(1rem, 2vw, 1.5rem); }
.br-cols--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.br-cols--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 290px), 1fr)); }
.br-cols--4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); }

/* ── HLAVIČKA SEKCE ────────────────────────────────────── */
.br-head { margin-bottom: clamp(2.2rem, 5vw, 3.5rem); max-width: 760px; }
.br-head .br-eyebrow { margin-bottom: 1rem; }
.br-head .br-h2 { margin-bottom: 1.1rem; }

/* ── NAVIGACE ──────────────────────────────────────────── */
.br-nav {
   position: fixed; top: 0; left: 0; right: 0; z-index: 900;
   background: rgba(6, 9, 18, 0.72);
   backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
   border-bottom: 1px solid var(--brd-soft);
   transition: background .3s, border-color .3s;
}
.br-nav.is-stuck { background: rgba(6, 9, 18, 0.94); border-bottom-color: var(--brd); }
.br-nav__in {
   max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter);
   height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
}
.br-nav__logo { display: flex; align-items: center; flex-shrink: 0; }
.br-nav__logo img { height: 30px; width: auto; }

.br-nav__links { display: flex; align-items: center; gap: .3rem; }
.br-nav__links > li > a {
   display: flex; align-items: center; padding: .65rem 1rem; position: relative;
   font-size: .8rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase;
   color: var(--text); transition: color .2s; white-space: nowrap;
}
/* Podtržítko ve značkové barvě místo bojácného šedivění */
.br-nav__links > li > a::before {
   content: ''; position: absolute; left: 1rem; right: 1rem; bottom: .35rem; height: 3px;
   background: var(--red); transform: scaleX(0); transform-origin: left;
   transition: transform .28s var(--ease);
}
.br-nav__links > li > a:hover::before,
.br-nav__links > li > a[aria-current="page"]::before { transform: scaleX(1); }
.br-nav__links > li > a[aria-current="page"] { color: var(--text); }

/* Rozbalovací podmenu */
.br-nav__has > a::after {
   content: ''; width: 5px; height: 5px; margin-left: .45rem;
   border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
   transform: rotate(45deg) translateY(-2px); transition: transform .2s;
}
.br-nav__has { position: relative; }
.br-nav__sub {
   position: absolute; top: calc(100% + 6px); left: 0; min-width: 230px;
   background: rgba(10, 14, 23, 0.97); border: 1px solid var(--glass-brd);
   backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
   padding: .45rem; opacity: 0; visibility: hidden; transform: translateY(-6px);
   transition: all .22s var(--ease); box-shadow: 0 24px 60px -20px rgba(0,0,0,.9);
}
.br-nav__has:hover .br-nav__sub, .br-nav__has:focus-within .br-nav__sub { opacity: 1; visibility: visible; transform: translateY(0); }
.br-nav__has:hover > a::after { transform: rotate(225deg) translateY(-2px) translateX(-2px); }
.br-nav__sub a {
   display: flex; align-items: center; gap: .6rem; padding: .7rem .9rem;
   font-size: .82rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase;
   color: var(--text-soft); position: relative;
   transition: color .18s, background .18s, padding-left .18s var(--ease);
}
/* Výrazný hover — červený blok zleva, ne jen decentní zesvětlení */
.br-nav__sub a::before {
   content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
   background: var(--red); transform: scaleY(0); transition: transform .2s var(--ease);
}
.br-nav__sub a:hover { color: #fff; background: rgba(255, 0, 0, .14); padding-left: 1.25rem; }
.br-nav__sub a:hover::before { transform: scaleY(1); }

/* ── MEGA PANEL (3. úroveň) ────────────────────────────── */
.br-nav__has--mega { position: static; }
.br-mega {
   position: absolute; top: 100%; left: 0; right: 0; z-index: 880;
   background: rgba(6, 9, 18, .985); border-top: 2px solid var(--red);
   border-bottom: 2px solid var(--brd-strong);
   backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
   opacity: 0; visibility: hidden; transform: translateY(-8px);
   transition: opacity .24s var(--ease), transform .24s var(--ease), visibility .24s;
   box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .95);
}
.br-nav__has--mega:hover .br-mega,
.br-nav__has--mega:focus-within .br-mega { opacity: 1; visibility: visible; transform: translateY(0); }
.br-mega__in {
   max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter);
   display: grid; grid-template-columns: repeat(4, 1fr);
}
.br-mega__col { padding: 2rem 1.6rem; border-right: 1px solid var(--brd); }
.br-mega__col:last-child { border-right: 0; }
.br-mega__brand {
   display: block; font-size: .8rem; font-weight: 900; letter-spacing: .14em; text-transform: uppercase;
   color: var(--red); padding-bottom: .8rem; margin-bottom: .9rem; border-bottom: 2px solid var(--brd-strong);
   transition: color .2s;
}
.br-mega__brand:hover { color: #fff; }
/* Jazykový štítek u značky se dvěma mutacemi (ZanyStudio CZ / EN) */
.br-mega__brand i, .br-mobile__l2top i {
   font-style: normal; font-size: .62rem; font-weight: 900; letter-spacing: .1em;
   background: var(--red); color: #fff; padding: .1rem .32rem; margin-left: .4rem; vertical-align: .1em;
}
.br-mobile__l2top i { background: var(--red); }
.br-mega__col li + li { margin-top: .15rem; }
.br-mega__col ul a {
   display: block; padding: .5rem .7rem; font-size: .98rem; font-weight: 600;
   color: var(--text-muted); position: relative;
   transition: color .18s, background .18s, padding-left .18s var(--ease);
}
.br-mega__col ul a::before {
   content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
   background: var(--red); transform: scaleY(0); transition: transform .2s var(--ease);
}
.br-mega__col ul a:hover { color: #fff; background: rgba(255, 0, 0, .14); padding-left: 1rem; }
.br-mega__col ul a:hover::before { transform: scaleY(1); }

.br-nav__cta { flex-shrink: 0; }
.br-nav__cta .br-btn { padding: .7rem 1.4rem; min-height: 44px; font-size: .74rem; }

/* Hamburger — flex (ne grid: řádky gridu se roztahovaly a křížek se rozjel mimo tlačítko) */
.br-burger {
   display: none; width: 48px; height: 48px; flex-shrink: 0;
   flex-direction: column; align-items: center; justify-content: center; gap: 5px;
   border: 1px solid var(--brd-strong); background: var(--glass);
}
.br-burger span { display: block; width: 20px; height: 2px; background: var(--text); transition: transform .3s var(--ease), opacity .2s; }
.br-burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.br-burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.br-burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.br-burger:hover { border-color: var(--red); }

/* Mobilní panel */
.br-mobile {
   position: fixed; inset: 74px 0 0 0; z-index: 890;
   background: rgba(6, 9, 18, 0.985);
   backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
   padding: 1.5rem var(--gutter) 3rem; overflow-y: auto;
   opacity: 0; visibility: hidden; transform: translateY(-10px);
   transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
   overscroll-behavior: contain;
}
.br-mobile.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
.br-mobile__group + .br-mobile__group { border-top: 1px solid var(--brd-soft); }
.br-mobile__top {
   display: flex; align-items: center; justify-content: space-between; width: 100%;
   padding: 1.05rem 0; font-size: 1rem; font-weight: 800; letter-spacing: .06em;
   text-transform: uppercase; color: var(--text); text-align: left;
}
.br-mobile__top svg { width: 16px; height: 16px; color: var(--text-dim); transition: transform .3s var(--ease); flex-shrink: 0; }
.br-mobile__top[aria-expanded="true"] svg { transform: rotate(180deg); color: var(--red-lt); }
.br-mobile__panel { display: none; padding-bottom: .9rem; }
.br-mobile__panel.is-open { display: block; }
.br-mobile__panel a {
   display: block; padding: .68rem 0 .68rem 1.1rem; font-size: .9rem; font-weight: 500;
   color: var(--text-muted); border-left: 2px solid var(--brd); transition: color .2s, border-color .2s;
}
.br-mobile__panel a:hover { color: var(--text); border-left-color: var(--red-lt); }
/* Druhá úroveň na mobilu (značky uvnitř Apky) */
.br-mobile__l2 + .br-mobile__l2 { border-top: 1px solid var(--brd-soft); }
.br-mobile__l2top {
   display: flex; align-items: center; justify-content: space-between; width: 100%;
   padding: .78rem 0 .78rem 1.1rem; font-size: .84rem; font-weight: 800; letter-spacing: .1em;
   text-transform: uppercase; color: var(--text-soft); text-align: left;
   border-left: 2px solid var(--brd);
}
.br-mobile__l2top svg { width: 14px; height: 14px; color: var(--text-dim); transition: transform .3s var(--ease); flex-shrink: 0; }
.br-mobile__l2top[aria-expanded="true"] { color: #fff; border-left-color: var(--red); }
.br-mobile__l2top[aria-expanded="true"] svg { transform: rotate(180deg); color: var(--red); }
.br-mobile__l2panel { display: none; padding: .2rem 0 .7rem 1.1rem; }
.br-mobile__l2panel.is-open { display: block; }
.br-mobile__l2panel a {
   display: block; padding: .55rem 0 .55rem 1rem; font-size: .86rem; font-weight: 400;
   color: var(--text-muted); border-left: 2px solid var(--brd-soft); transition: color .2s, border-color .2s;
}
.br-mobile__l2panel a:hover { color: #fff; border-left-color: var(--red); }
.br-mobile__l2all { color: var(--red) !important; font-weight: 800 !important; letter-spacing: .06em; }

.br-mobile__cta { margin-top: 1.8rem; display: grid; gap: .7rem; }
.br-mobile__cta .br-btn { width: 100%; }

/* ── PATIČKA ───────────────────────────────────────────── */
.br-foot { background: var(--bg-deep); border-top: 1px solid var(--brd); position: relative; z-index: 2; }
.br-foot__in { max-width: var(--maxw); margin: 0 auto; padding: clamp(3rem, 6vw, 4.5rem) var(--gutter) 2rem; }
.br-foot__cols { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: clamp(1.5rem, 4vw, 3rem); }
.br-foot__brand img { height: 28px; margin-bottom: 1.1rem; }
.br-foot h4 {
   font-size: .72rem; font-weight: 800; letter-spacing: .18em; text-transform: uppercase;
   color: var(--text-dim); margin-bottom: 1.1rem;
}
.br-foot li + li { margin-top: .55rem; }
.br-foot__cols a { font-size: .89rem; color: var(--text-muted); transition: color .2s; }
.br-foot__cols a:hover { color: var(--text); }
.br-foot__bottom {
   margin-top: clamp(2.2rem, 5vw, 3.2rem); padding-top: 1.6rem; border-top: 1px solid var(--brd-soft);
   display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between;
   font-size: .8rem; color: var(--text-dim);
}
.br-social { display: flex; gap: .5rem; flex-wrap: wrap; }
.br-social a {
   width: 38px; height: 38px; display: grid; place-items: center;
   border: 1px solid var(--glass-brd); background: var(--glass); color: var(--text-muted);
   transition: color .2s, background .2s, border-color .2s, transform .2s var(--ease);
}
.br-social a:hover { color: #fff; background: var(--grad); border-color: transparent; transform: translateY(-2px); }
.br-social svg { width: 22px; height: 22px; }

/* ── ANIMACE ───────────────────────────────────────────── */
.br-rise { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.br-rise.is-in { opacity: 1; transform: none; }
.br-rise[data-d="1"] { transition-delay: .08s; }
.br-rise[data-d="2"] { transition-delay: .16s; }
.br-rise[data-d="3"] { transition-delay: .24s; }
.br-rise[data-d="4"] { transition-delay: .32s; }
.br-rise[data-d="5"] { transition-delay: .40s; }

/* Maska pro odkrývací animaci. Horní odsazení musí pokrýt české diakritické
   znaménka (Č, Ě, Í, Ý) — při line-height pod 1 přesahují nad em box a ořezaly by se.
   Záporný margin vrátí odsazení zpět, takže se nemění rozvržení. */
.br-mask { display: block; overflow: hidden; padding: .2em 0 .06em; margin: -.2em 0 -.06em; }
.br-mask > span { display: block; transform: translateY(105%); animation: brMask .9s var(--ease) forwards; }
.br-mask[data-d="1"] > span { animation-delay: .08s; }
.br-mask[data-d="2"] > span { animation-delay: .2s; }
@keyframes brMask { to { transform: translateY(0); } }

@media (prefers-reduced-motion: reduce) {
   .br *, .br *::before, .br *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
   .br-rise { opacity: 1; transform: none; }
   .br-mask > span { transform: none; }
}

/* ── SDÍLENÉ KOMPONENTY ────────────────────────────────── */

/* Klientská loga — greyscale v klidu, plná barva na hover.
   (brightness(0) invert(1) ničilo loga s vnitřními tvary — např. ČEZ přišel o „E".) */
.br-clients { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: clamp(1.6rem, 3vw, 3rem); align-items: center; justify-items: center; }
.br-clients img {
   max-height: 40px; width: auto; max-width: 100%;
   filter: grayscale(1) brightness(1.9) contrast(.85); opacity: .55;
   transition: filter .3s, opacity .3s, transform .3s var(--ease);
}
.br-clients img:hover { filter: none; opacity: 1; transform: scale(1.1); }

/* Odkaz „ukázat práce" */
.br-more { display: inline-flex; align-items: center; gap: .5rem; margin-top: 1.4rem;
   font-size: .76rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--text); transition: color .2s, gap .2s var(--ease); }
.br-more svg { width: 13px; height: 13px; }
.br-card:hover .br-more { color: var(--red); gap: .85rem; }

/* Mřížka referencí.
   Varianty existují proto, aby poslední řádek nikdy nezůstal poloprázdný:
   --4col přeskakuje 3 sloupce (dobré pro počty dělitelné 4),
   --3col přeskakuje 4 sloupce (dobré pro počty dělitelné 3).
   Šablona variantu volí podle počtu dlaždic. */
.br-work { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(.6rem, 1vw, 1rem); }
/* Dvojitá třída = vyšší specificita, aby varianta přebila obecná
   responzivní pravidla níže v souboru bez ohledu na pořadí. */
.br-work.br-work--3col { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 1400px) { .br-work.br-work--4col { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 900px)  { .br-work.br-work--3col { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .br-work.br-work--3col, .br-work.br-work--4col { grid-template-columns: 1fr; } }
.br-work__item { position: relative; overflow: hidden; aspect-ratio: 4/3; display: block; background: var(--bg-raise); border: 1px solid var(--brd); }
.br-work__item--w2 { grid-column: span 2; }
.br-work__item--h2 { aspect-ratio: 2/3; }
.br-work__item--wide { grid-column: span 2; aspect-ratio: 8/3; }
.br-work__item img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease), filter .5s; filter: grayscale(.7) brightness(.62); }
.br-work__item:hover img { transform: scale(1.07); filter: grayscale(0) brightness(.95); }
.br-work__meta { position: absolute; inset: auto 0 0 0; padding: clamp(1rem, 1.8vw, 1.7rem); z-index: 2;
   background: linear-gradient(0deg, rgba(6,9,18,.96) 8%, transparent 100%); }
.br-work__cat { font-size: .64rem; font-weight: 900; letter-spacing: .22em; text-transform: uppercase; color: var(--red); }
.br-work__name { font-size: clamp(1rem, 1.5vw, 1.4rem); font-weight: 900; letter-spacing: -.02em; text-transform: uppercase; margin-top: .3rem; line-height: 1.05; }

/* ── HLAVIČKA SEKCE S ČÍSLEM ───────────────────────────── */
.x-head { display: grid; grid-template-columns: auto 1fr; gap: clamp(1.5rem, 4vw, 4rem); align-items: start; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.x-num { font-size: clamp(3.5rem, 8vw, 7rem); font-weight: 900; line-height: .8; letter-spacing: -.06em;
   color: transparent; -webkit-text-stroke: 2px var(--brd-strong); }
.x-num--sm { font-size: clamp(2.5rem, 4vw, 3.5rem); }
.x-head .br-lead { max-width: 68ch; }
.x-hl { color: var(--red); }
.x-work__more { margin-top: clamp(1.6rem, 3vw, 2.4rem); display: flex; gap: .7rem; flex-wrap: wrap; }

/* ── KATEGORIOVÝ HERO ──────────────────────────────────── */
.k-hero { position: relative; display: flex; align-items: flex-end; min-height: min(64svh, 620px); padding-block: 9rem 3.5rem; overflow: hidden; }
.k-hero--slim { min-height: auto; padding-block: 9.5rem 3rem; }
.k-hero__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; filter: grayscale(.55) contrast(1.12); }
.k-hero__veil { position: absolute; inset: 0; z-index: 1;
   background: linear-gradient(180deg, rgba(6,9,18,.9) 0%, rgba(6,9,18,.6) 45%, rgba(10,14,23,.97) 100%),
               radial-gradient(ellipse 62% 76% at 16% 50%, rgba(6,9,18,.84), transparent 78%); }
.k-hero--slim .k-hero__veil { background: radial-gradient(ellipse 70% 90% at 20% 20%, rgba(0,83,178,.22), transparent 70%); }
.k-hero__in { z-index: 2; width: 100%; }
.k-h1 { font-size: clamp(2.6rem, 8.5vw, 7rem); font-weight: 900; line-height: .86; letter-spacing: -.045em; text-transform: uppercase; margin-top: 1.1rem; }
.k-h1__hl { color: var(--red); }

/* ── ÚVODNÍ BLOKY ──────────────────────────────────────── */
.k-intro { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr)); gap: clamp(1.5rem, 3vw, 3rem); }
.k-intro__i { border-top: 2px solid var(--brd-strong); padding-top: 1.4rem; }
.k-intro__i .br-h3 { display: flex; align-items: center; gap: .7rem; text-transform: uppercase; letter-spacing: -.01em; }
.k-intro__dot { width: 12px; height: 12px; background: var(--red); flex-shrink: 0; }

/* ── AKORDEON (FAQ, zásady) ────────────────────────────── */
.pr-faq { display: grid; gap: 0; border-top: 2px solid var(--brd-strong); margin-top: clamp(2rem, 4vw, 3rem); }
.pr-faq__i { border-bottom: 2px solid var(--brd-strong); }
.pr-faq__i summary {
   display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; cursor: pointer;
   padding: 1.4rem 0; font-size: clamp(1rem, 1.8vw, 1.22rem); font-weight: 800; letter-spacing: -.01em;
   color: var(--text-soft); transition: color .2s; list-style: none;
}
.pr-faq__i summary::-webkit-details-marker { display: none; }
.pr-faq__i summary:hover { color: #fff; }
.pr-faq__i summary svg { width: 20px; height: 20px; flex-shrink: 0; color: var(--red); transition: transform .3s var(--ease); }
.pr-faq__i[open] summary { color: #fff; }
.pr-faq__i[open] summary svg { transform: rotate(45deg); }
.pr-faq__a { padding-bottom: 1.6rem; max-width: 78ch; }
.pr-faq__a p { color: var(--text-muted); font-weight: 300; line-height: 1.85; }
.pr-faq__a a { color: var(--red); font-weight: 600; border-bottom: 1px solid currentColor; }
.pr-faq__a a:hover { color: #fff; }

/* ── DLAŽDICE VLASTNÍCH PROJEKTŮ ───────────────────────── */
.x-fam { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 2px solid var(--brd-strong); margin-top: clamp(2rem, 4vw, 3rem); }
.x-fam__i { padding: clamp(1.6rem, 2.4vw, 2.2rem); border-right: 2px solid var(--brd-strong); border-bottom: 2px solid var(--brd-strong); transition: background .28s; }
.x-fam__i:nth-child(3n) { border-right: 0; }
.x-fam__i:nth-last-child(-n+3) { border-bottom: 0; }
.x-fam__i:hover { background: rgba(255,255,255,.05); }
.x-fam__i h3 { font-size: clamp(1.05rem, 1.5vw, 1.3rem); font-weight: 900; text-transform: uppercase; letter-spacing: -.02em; display: flex; align-items: center; gap: .5rem; }
.x-fam__i h3 i { font-style: normal; color: var(--red); transition: transform .25s var(--ease); }
.x-fam__i:hover h3 i { transform: translate(3px, -3px); }
.x-fam__i p { font-size: .9rem; font-weight: 300; color: var(--text-muted); line-height: 1.7; margin-top: .6rem; }
.x-fam__tag { display: inline-block; font-size: .6rem; font-weight: 900; letter-spacing: .18em; text-transform: uppercase;
   color: var(--red); border: 1px solid currentColor; padding: .18rem .45rem; margin-bottom: .9rem; }

/* ── ZÁVĚREČNÁ VÝZVA ───────────────────────────────────── */
.x-cta { background: var(--grad); padding-block: clamp(4rem, 8vw, 7rem); position: relative; z-index: 2; text-align: center; }
.x-cta__t { font-size: clamp(2.4rem, 7vw, 5.5rem); font-weight: 900; line-height: .9; letter-spacing: -.04em; text-transform: uppercase; color: #fff; margin: 1.2rem 0 1.3rem; }
.x-cta__p { font-size: clamp(1rem, 1.6vw, 1.2rem); font-weight: 300; color: rgba(255,255,255,.92); line-height: 1.7; max-width: 60ch; margin-inline: auto; }
.x-cta .br-lead { text-align: center; margin-inline: auto; }
.x-cta__row { display: flex; gap: .8rem; flex-wrap: wrap; justify-content: center; margin-top: 2.4rem; }
.x-cta__btn { display: inline-flex; align-items: center; justify-content: center; gap: .7rem; padding: 1.05rem 2.2rem; min-height: 56px;
   font-size: .85rem; font-weight: 900; letter-spacing: .13em; text-transform: uppercase;
   border: 2px solid #fff; color: #fff; transition: background .25s, color .25s, transform .25s var(--ease); }
.x-cta__btn svg { width: 16px; height: 16px; }
.x-cta__btn--solid { background: #fff; color: var(--bg-deep); }
.x-cta__btn:hover { background: var(--bg-deep); border-color: var(--bg-deep); color: #fff; transform: translateY(-2px); }
.x-cta__note { margin-top: 1.8rem; font-size: .82rem; font-weight: 600; color: rgba(255,255,255,.78); }
.x-cta__soc { margin-top: 2.6rem; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,.28); }
.x-cta__soc > span { display: block; font-size: .7rem; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; color: rgba(255,255,255,.72); margin-bottom: 1.1rem; }
.x-cta__socrow { display: flex; gap: .6rem; flex-wrap: wrap; justify-content: center; }
.x-cta__socrow a { width: 48px; height: 48px; display: grid; place-items: center; border: 2px solid rgba(255,255,255,.55); color: #fff;
   transition: background .22s, color .22s, border-color .22s, transform .22s var(--ease); }
.x-cta__socrow svg { width: 28px; height: 28px; }
.x-cta__socrow a:hover { background: #fff; color: var(--bg-deep); border-color: #fff; transform: translateY(-3px); }

/* ── PŘEHRÁVACÍ TLAČÍTKO ───────────────────────────────────
   Rukopis studia: červený kotouč s vnitřkem videokazety
   (rytina LOCK ▶ 40N.m). Kulaté záměrně — kontrast k jinak
   hranaté grafice, stejně jako zakulacené rohy v logu.        */
.br-play {
   position: relative; width: 132px; aspect-ratio: 1; flex-shrink: 0;
   border-radius: 50%; display: grid; place-items: center;
   background: var(--red); box-shadow: 0 10px 34px -8px var(--red-glow);
   transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.br-play__reel {
   /* Kotouč je v PNG kresbě sám o sobě neprůhledný až do okraje plátna,
      takže 100% přesně vyplní kruh tlačítka bez červeného lemu kolem.
      Uprostřed má hvězdicový výřez — tudy prosvítá červené pozadí .br-play. */
   position: absolute; inset: 0; width: 100%; height: 100%;
   border-radius: 50%; object-fit: cover; pointer-events: none;
   transition: transform 1.4s cubic-bezier(.22,.9,.24,1);
}
.br-play__tri { position: relative; z-index: 2; width: 26%; height: auto; fill: #fff; pointer-events: none;
   margin-left: -3%; filter: drop-shadow(0 2px 6px rgba(0,0,0,.6)); }
/* Pulzující prstenec — upoutá pozornost bez blikání */
.br-play__ring { position: absolute; inset: 0; border-radius: 50%; border: 2px solid var(--red);
   animation: brPlayRing 2.6s var(--ease) infinite; pointer-events: none; }
@keyframes brPlayRing { 0% { transform: scale(1); opacity: .85; } 70%, 100% { transform: scale(1.55); opacity: 0; } }

/* Kotouč se při přejetí protočí, jako by se kazeta rozjela */
.br-play:hover, a:hover > .br-play, button:hover > .br-play { transform: scale(1.06); box-shadow: 0 18px 46px -8px var(--red-glow); }
.br-play:hover .br-play__reel, a:hover > .br-play .br-play__reel, button:hover > .br-play .br-play__reel { transform: rotate(140deg); }

.br-play--lg { width: 190px; }
.br-play--xl { width: 152px; }
.br-play--sm { width: 66px; }
.br-play--sm .br-play__ring { border-width: 1.5px; }
@media (max-width: 700px) {
   .br-play--lg { width: 128px; }
   .br-play--xl { width: 108px; }
}

/* Plocha s úvodním snímkem videa a tlačítkem uprostřed.
   Sdílí ji detail reference i detail aplikace — proto tady, ne v šabloně. */
.d-stage { position: relative; border: 1px solid var(--brd); background: var(--bg-raise); overflow: hidden; }
.d-stage > img { width: 100%; height: auto; display: block; }
.d-stage--sm { aspect-ratio: 16/9; }
.d-stage--sm > img { height: 100%; object-fit: cover; }

/* Jen vycentrování — vzhled tlačítka řeší .br-play výše */
.d-play { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); z-index: 2; }
.d-play:hover { transform: translate(-50%, -50%) scale(1.06); }

/* ── MODAL ─────────────────────────────────────────────── */
.x-modal { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; padding: var(--gutter); }
.x-modal[hidden] { display: none; }
.x-modal__bg { position: absolute; inset: 0; width: 100%; height: 100%;
   background: rgba(4, 6, 12, .84); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
   animation: xFade .28s var(--ease); cursor: pointer; }
@keyframes xFade { from { opacity: 0; } }
/* Bez overflow:auto — zavírací křížek leží záměrně mimo box (top/right -14px)
   a jakýkoli overflow jiný než visible by ho ořízl. Výšku místo toho
   omezuje samotný obsah v .x-modal__frame. */
/* Šířka roste s viewportem (85vw) místo pevného stropu — na velkém
   (4K) monitoru tak zabere výrazně víc místa, na běžném displeji
   nechá rozumné okraje. Strop 1700px, ať to na ultra-širokých
   monitorech nevypadá přehnaně. */
.x-modal__box { position: relative; z-index: 1; width: min(85vw, 1700px);
   background: rgba(255,255,255,.05); border: 1px solid var(--glass-brd-2);
   backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
   padding: clamp(.6rem, 1.4vw, 1rem); box-shadow: 0 50px 120px -30px rgba(0,0,0,.95);
   animation: xPop .38s var(--ease); }
@keyframes xPop { from { opacity: 0; transform: translateY(22px) scale(.97); } }
.x-modal__box::before { content: ''; position: absolute; inset: 0 auto auto 0; height: 3px; width: 100%; background: var(--grad); }
.x-modal__frame { position: relative; aspect-ratio: 16/9; background: #000; }
.x-modal__frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* Obrázek/video v galerii — sdílí _detail_ref2.php, _detail_app.php
   a ai-skoleni.php. width:100% (ne auto) je záměrně, aby se náhled
   mohl zvětšit i NAD svou nativní pixelovou velikost a využil
   dostupný prostor na velkém monitoru; height:auto drží poměr stran,
   max-height brání přetečení přes výšku obrazovky. */
.x-modal__frame--img { aspect-ratio: auto; background: transparent; }
.x-modal__frame img,
.x-modal__frame video { display: block; width: 100%; height: auto; max-height: 88svh; margin-inline: auto; }
.x-modal__frame video { background: #000; }
.x-modal__x { position: absolute; top: -14px; right: -14px; z-index: 2; width: 46px; height: 46px;
   display: grid; place-items: center; background: var(--red); color: #fff;
   transition: transform .22s var(--ease), background .22s; }
.x-modal__x svg { width: 18px; height: 18px; }
.x-modal__x:hover { transform: rotate(90deg); background: #fff; color: var(--red); }

/* Šipky pro listování galerií — JS je zobrazí jen když otevřený obrázek
   patří do skupiny s víc než jednou fotkou (jinak by byly zbytečné). */
.x-modal__nav { position: absolute; top: 50%; margin-top: -26px; z-index: 2; width: 52px; height: 52px;
   display: grid; place-items: center; border-radius: 50%; color: #fff;
   background: var(--glass); border: 1px solid var(--glass-brd-2);
   backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
   transition: background .22s, border-color .22s, transform .22s var(--ease); }
.x-modal__nav[hidden] { display: none; }
.x-modal__nav:hover { background: var(--red); border-color: var(--red); transform: scale(1.08); }
.x-modal__nav svg { width: 22px; height: 22px; }
.x-modal__nav--prev { left: clamp(.4rem, 3vw, 2.2rem); }
.x-modal__nav--next { right: clamp(.4rem, 3vw, 2.2rem); }

@media (max-width: 1000px) { .x-fam { grid-template-columns: repeat(2, 1fr); }
   .x-fam__i:nth-child(3n) { border-right: 2px solid var(--brd-strong); }
   .x-fam__i:nth-child(2n) { border-right: 0; }
   .x-fam__i:nth-last-child(-n+3) { border-bottom: 2px solid var(--brd-strong); }
   .x-fam__i:nth-last-child(-n+2) { border-bottom: 0; } }
@media (max-width: 700px) {
   .k-hero { min-height: auto; padding-block: 7.5rem 2.5rem; }
   .x-head { grid-template-columns: 1fr; gap: .8rem; }
   .x-num { font-size: 3rem; }
   .x-fam { grid-template-columns: 1fr; }
   .x-fam__i { border-right: 0 !important; border-bottom: 2px solid var(--brd-strong) !important; }
   .x-fam__i:last-child { border-bottom: 0 !important; }
   .x-cta__row { flex-direction: column; }
   .x-cta__btn { width: 100%; }
   .x-modal__x { top: -10px; right: -10px; width: 40px; height: 40px; }
   .x-modal__nav { width: 42px; height: 42px; margin-top: -21px; }
   .x-modal__nav svg { width: 18px; height: 18px; }
   .x-modal__nav--prev { left: .3rem; }
   .x-modal__nav--next { right: .3rem; }
   .x-cta__socrow a { width: 44px; height: 44px; }
}

/* Běžící pás (brutalistický podpis rodiny) */
.br-ticker { overflow: hidden; border-block: 2px solid var(--brd-strong); background: var(--bg-deep); padding-block: 1.2rem; position: relative; z-index: 2; }
.br-ticker__row { display: flex; gap: 3rem; width: max-content; animation: brTick 38s linear infinite; }
.br-ticker span { font-size: clamp(1.6rem, 3.4vw, 3rem); font-weight: 900; letter-spacing: -.02em; text-transform: uppercase; white-space: nowrap; color: transparent; -webkit-text-stroke: 1.5px var(--brd-strong); }
.br-ticker span:nth-child(even) { -webkit-text-stroke: 0; color: var(--red); }
@keyframes brTick { to { transform: translateX(-50%); } }
.br-ticker:hover .br-ticker__row { animation-play-state: paused; }

/* ── RESPONZIVA ────────────────────────────────────────── */
/* Velké monitory — využít plochu, ne úzký proužek */
@media (min-width: 1900px) {
   :root { --section-py: clamp(6rem, 7vw, 11rem); }
   .br-nav__in { height: 86px; }
   .br-nav__logo img { height: 36px; }
   .br-nav__links > li > a { font-size: .92rem; padding: .7rem 1.25rem; }
   .br-mobile { inset-block-start: 86px; }
   .br-clients img { max-height: 52px; }
}
@media (min-width: 2600px) {
   :root { --maxw: min(2500px, 88vw); }
}

@media (max-width: 1400px) {
   .br-work { grid-template-columns: repeat(3, 1fr); }
   .br-work__item--wide { grid-column: span 3; }
}
@media (max-width: 1300px) {
   .br-mega__col { padding: 1.5rem 1.1rem; }
   .br-mega__col ul a { font-size: .92rem; padding: .42rem .6rem; }
}
@media (max-width: 1100px) {
   .br-nav__links > li > a { padding: .6rem .7rem; font-size: .73rem; }
   .br-foot__cols { grid-template-columns: 1fr 1fr; }
   .br-mega__in { grid-template-columns: repeat(2, 1fr); }
   .br-mega__col:nth-child(2) { border-right: 0; }
   .br-mega__col:nth-child(-n+2) { border-bottom: 1px solid var(--brd); }
}
@media (max-width: 980px) {
   .br-nav__links, .br-nav__cta { display: none; }
   .br-burger { display: flex; }
}
@media (max-width: 900px) {
   .br-work { grid-template-columns: repeat(2, 1fr); }
   .br-work__item--wide, .br-work__item--w2 { grid-column: span 2; }
   .br-work__item--wide { aspect-ratio: 16/9; }
   .br-work__item--h2 { aspect-ratio: 4/3; }
}
@media (max-width: 640px) {
   .br-nav__in { height: 64px; }
   .br-mobile { inset-block-start: 64px; }
   .br-nav__logo img { height: 26px; }
   .br-foot__cols { grid-template-columns: 1fr; gap: 2rem; }
   .br-foot__bottom { flex-direction: column; align-items: flex-start; }
   .br-btn { width: 100%; }
   .br-card { padding: 1.4rem; }
   .br-work { grid-template-columns: 1fr; }
   .br-work__item, .br-work__item--wide, .br-work__item--w2, .br-work__item--h2 { grid-column: span 1; aspect-ratio: 16/10; }
   .br-clients { grid-template-columns: repeat(3, 1fr); gap: 1.4rem; }
   .br-clients img { max-height: 28px; }
}

/* Odkaz na nastavení cookies v patičce */
.br-foot__ck { margin-left: .9rem; padding-bottom: 1px; border-bottom: 1px dotted var(--text-dim);
   color: var(--text-dim); transition: color .2s, border-color .2s; }
.br-foot__ck:hover { color: var(--text); border-bottom-color: var(--text); }

/* ── HLAVIČKA DETAILU ──────────────────────────────────────
   Sdílí _detail_ref2.php (reference) a _detail_app.php (aplikace) —
   bez téhle definice by pozadí (.d-head__bg) nemělo žádné omezení
   velikosti a vykreslilo by se v plné, neoříznuté šířce obrázku. */
.d-head { position: relative; display: flex; align-items: flex-end; min-height: min(56svh, 520px); padding-block: 9rem 3rem; overflow: hidden; }
.d-head__bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; filter: grayscale(.7) contrast(1.1); }
.d-head__veil { position: absolute; inset: 0; z-index: 1;
   background: linear-gradient(180deg, rgba(6,9,18,.92) 0%, rgba(6,9,18,.66) 45%, rgba(10,14,23,.98) 100%); }
.d-head__in { z-index: 2; width: 100%; }

.d-crumb { display: flex; align-items: center; gap: .6rem; font-size: .72rem; font-weight: 800;
   letter-spacing: .18em; text-transform: uppercase; color: var(--text-muted); flex-wrap: wrap; }
.d-crumb a { color: var(--red); transition: color .2s; }
.d-crumb a:hover { color: #fff; }
.d-crumb > span[aria-hidden] { color: var(--text-dim); }

.d-h1 { font-size: clamp(2.2rem, 6.5vw, 5.2rem); font-weight: 900; line-height: .9; letter-spacing: -.04em;
   text-transform: uppercase; margin-top: 1rem; }

.d-meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1.4rem 2rem;
   margin-top: clamp(1.8rem, 3.5vw, 2.8rem); padding-top: 1.6rem; border-top: 2px solid var(--brd-strong); }
.d-meta dt { font-size: .66rem; font-weight: 900; letter-spacing: .2em; text-transform: uppercase; color: var(--red); }
.d-meta dd { font-size: .95rem; font-weight: 600; color: var(--text-soft); margin-top: .35rem; line-height: 1.4; }

@media (max-width: 700px) {
   .d-head { min-height: auto; padding-block: 7.5rem 2.5rem; }
}

/* ── DLAŽDICE APLIKACE ────────────────────────────────────
   Sdílí _hub_sub.php (mřížka celé sekce) a _detail_app.php
   ("Další ze sekce" na detailu jedné aplikace). */
.sb-apky { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
   gap: clamp(.7rem, 1.2vw, 1rem); margin-top: clamp(2rem, 4vw, 3rem); }
.sb-apka { display: flex; align-items: stretch; gap: 1.1rem; padding: 0;
   background: var(--glass); border: 1px solid var(--glass-brd); position: relative; overflow: hidden;
   transition: border-color .25s, background .25s, transform .25s var(--ease); }
.sb-apka::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--red);
   z-index: 2; transform: scaleY(0); transform-origin: top; transition: transform .3s var(--ease); }
.sb-apka:hover { border-color: var(--brd-strong); background: var(--glass-2); transform: translateY(-3px); }
.sb-apka:hover::before { transform: scaleY(1); }
/* Ikona vyplňuje dlaždici od horního po spodní okraj, bez odsazení vlevo.
   Pevná velikost místo aspect-ratio + stretch — ta kombinace se v reálných
   prohlížečích (ověřeno na Chrome Mac i PC) počítala nespolehlivě a ikony
   se natahovaly do obrovské výšky. Pevný px rozměr je předvídatelný všude. */
.sb-apka__ico { width: 88px; height: 88px; flex-shrink: 0; background: var(--bg-raise);
   border-right: 1px solid var(--brd); overflow: hidden; display: grid; place-items: center; }
.sb-apka__ico img { width: 100%; height: 100%; object-fit: cover; }
.sb-apka__txt { min-width: 0; padding: 1.1rem 1.3rem 1.1rem 0; }
.sb-apka__txt strong { display: block; font-size: .96rem; font-weight: 800; letter-spacing: -.01em;
   color: #fff; line-height: 1.25; }
.sb-apka__meta { display: flex; align-items: center; gap: .6rem; margin-top: .45rem; flex-wrap: wrap; }
.sb-apka__meta em { font-style: normal; font-size: .62rem; font-weight: 900; letter-spacing: .14em;
   text-transform: uppercase; color: var(--red); }
.sb-apka__plat { display: flex; gap: .5rem; color: var(--text-dim); }
.sb-apka__plat svg { width: 22px; height: 22px; }