/* The Recipe — main site skeleton. Brand: brandbook 1.1 «Бутылка» (ink #12302A, paper #EEF0EA, accent #D9A521; dark: paper #0B1A16, ink #E3EBE5, accent #F0C24B), Epilogue + Public Sans (OFL, Latin — the site is English). */
@font-face{font-family:"Epilogue";font-weight:100 900;font-display:swap;src:url("fonts/Epilogue-variable.woff2") format("woff2")}
@font-face{font-family:"Golos Text";font-weight:400 900;font-display:swap;src:url("fonts/GolosText-variable.woff2") format("woff2")}
@font-face{font-family:"Public Sans";font-weight:100 900;font-display:swap;src:url("fonts/PublicSans-variable.woff2") format("woff2")}
:root{--ink:#12302A;--paper:#EEF0EA;--accent:#D9A521;--line:color-mix(in srgb,var(--ink) 14%,var(--paper));--mute:color-mix(in srgb,var(--ink) 60%,var(--paper));--tint:color-mix(in srgb,var(--ink) 5%,var(--paper));color-scheme:light;
  --gutter:max(16px,4vw);--display:"Epilogue",sans-serif;--text:"Public Sans",sans-serif}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--ink:#E3EBE5;--paper:#0B1A16;--accent:#F0C24B;color-scheme:dark}}
:root[data-theme="dark"]{--ink:#E3EBE5;--paper:#0B1A16;--accent:#F0C24B;color-scheme:dark}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--text);font-size:17px;line-height:1.5;-webkit-font-smoothing:antialiased}
img,video{max-width:100%;display:block}

/* ── block frame (every block of the page is a <section class="block">) ── */
.block{position:relative;scroll-margin-top:0}
.block[hidden]{display:none!important}
.block[data-state="slot"]{padding-block:clamp(56px,9vw,120px);padding-inline:var(--gutter);border-top:1px solid var(--line)}
.sk{max-width:1200px;margin:0 auto;min-height:clamp(320px,42vw,520px);border:2px dashed color-mix(in srgb,var(--ink) 22%,transparent);border-radius:28px;display:grid;align-content:center;gap:14px;padding:clamp(24px,5vw,56px);background:repeating-linear-gradient(135deg,var(--tint) 0 18px,transparent 18px 36px)}
.sk .no{font:700 13px var(--text);letter-spacing:.14em;text-transform:uppercase;color:var(--mute)}
.sk h2{margin:0;font-family:var(--display);font-weight:800;font-size:clamp(40px,6vw,84px);line-height:.95;letter-spacing:-.03em;text-wrap:balance}
.sk .note{margin:0;max-width:62ch;color:var(--mute);font-size:16px}
.sk .note b{color:var(--ink);font-weight:600}
.sk .who{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.sk .who span{font-size:13px;font-weight:600;padding:6px 12px;border-radius:999px;background:var(--tint);border:1px solid var(--line)}

/* ── hero: blocks/hero/hero.css (accepted «Кастинг» v4, 250vh with a sticky stage; the signature plate is fixed top-left) ── */

/* ── block 2 «What we do» (blocks/what/): slides up over the hero's last 50vh; Work follows it ── */
.what{margin-top:-50vh;z-index:2}
/* ── showcase: block 4 Work — rooms, one per case (blocks/work/work.css). Heading as the hero's own Work: Epilogue 800 ── */
.work{position:relative;z-index:2;margin-top:0}
.work h2{font-family:var(--display);font-weight:800;font-size:clamp(44px,9vw,132px);letter-spacing:-.04em;line-height:.9;margin:0 auto 6vh;padding-inline:max(var(--gutter),calc((100vw - 1200px) / 2))}
/* a case whose card is a finished tile page (cases/<slug>/card.html): same frame as .rc-card, the tile fills it */
.case-tile{position:relative;aspect-ratio:9/16;border-radius:22px;overflow:hidden;isolation:isolate;cursor:pointer;background:#0B1A16;
  box-shadow:0 4px 8px rgba(15,23,42,.06),0 26px 56px -18px rgba(15,23,42,.35);transition:transform .35s cubic-bezier(.2,.7,.2,1)}
.case-tile:hover{transform:translateY(-4px)}
.case-tile:focus-visible{outline:3px solid var(--accent);outline-offset:4px}
.case-tile iframe{position:absolute;inset:0;width:100%;height:100%;border:0;display:block}
@media (prefers-reduced-motion:reduce){.case-tile{transition:none}}

/* ── board overlay ── */
.board{position:fixed;inset:0;z-index:100;background:#0B1A16}
.board iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* ── block switcher (same idea as the board's stop switcher) ── */
.switch{position:fixed;z-index:50;left:50%;bottom:16px;transform:translateX(-50%);display:flex;gap:2px;padding:6px;border-radius:999px;background:color-mix(in srgb,var(--paper) 88%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--line);box-shadow:0 12px 28px -14px rgba(0,0,0,.35);max-width:calc(100vw - 32px)}
.switch a{font:600 14px var(--text);text-decoration:none;color:var(--mute);padding:9px 15px;border-radius:999px;white-space:nowrap}
.switch a:hover{color:var(--ink)}
.switch a.on{background:var(--ink);color:var(--paper)}
.switch .compact{display:none;align-items:center;gap:2px}
.switch .compact button{border:0;background:transparent;color:var(--ink);width:40px;height:38px;border-radius:999px;display:grid;place-items:center;cursor:pointer}
.switch .compact b{min-width:120px;text-align:center;font-size:14px}
.switch .full{display:flex;gap:2px}
@media (max-width:760px){.switch .full{display:none}.switch .compact{display:flex}}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* skeleton notes are for the team (Russian → Golos Text, Cyrillic); delete .sk-note elements when a block is filled */
.sk-note{font-family:"Golos Text",var(--text)}
footer.block[data-state="slot"] .sk{min-height:180px}