/* === Портфолио: категории слева, карусель кейсов справа === */
.pf-head{padding:calc(clamp(64px,8vw,120px) + 56px) 0 clamp(24px,3vw,38px)}
.pf-head h1{max-width:18ch;margin:12px 0 16px}
.pf-head p{margin:0;color:var(--ink-2);max-width:62ch;font-size:clamp(.95rem,1.5vw,1.05rem)}

.pf{display:grid;grid-template-columns:minmax(0,310px) minmax(0,1fr);gap:clamp(24px,3.4vw,56px);align-items:start;padding-bottom:clamp(40px,6vw,80px)}

/* --- Левая колонка: сферы --- */
.pf-nav{display:flex;flex-direction:column;gap:2px;position:sticky;top:20px}
.pf-cat{display:flex;align-items:center;gap:14px;width:100%;padding:12px 14px;border:0;border-radius:16px;background:transparent;text-align:left;cursor:pointer;font:inherit;color:var(--ink-3);transition:background .3s,color .3s,transform .3s}
.pf-cat:hover{background:rgba(255,255,255,.5);color:var(--ink-2)}
.pf-cat.is-active{background:rgba(255,255,255,.72);color:var(--ink);box-shadow:0 8px 26px rgba(17,17,17,.07)}
.pf-ico{flex:0 0 auto;display:grid;place-items:center;width:52px;height:52px;border-radius:14px;background:linear-gradient(150deg,rgba(255,255,255,.9),rgba(17,17,17,.06));border:1px solid var(--line);font-size:1.35rem;line-height:1;transition:transform .35s cubic-bezier(.2,.65,.3,1)}
.pf-ico img{width:100%;height:100%;object-fit:contain;border-radius:inherit}
.pf-cat.is-active .pf-ico{transform:scale(1.06)}
.pf-cat-txt{min-width:0}
.pf-cat-txt b{display:block;font-size:1rem;font-weight:600;letter-spacing:-.02em;line-height:1.25}
.pf-cat.is-active .pf-cat-txt b{color:var(--ink)}
.pf-cat-txt i{display:block;margin-top:3px;font-style:normal;font-size:.78rem;color:var(--ink-4)}

/* --- Правая часть: сцена с кейсом --- */
.pf-stage{position:relative;min-height:clamp(430px,62vh,620px);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:clamp(18px,3vw,34px) 0}
.pf-glow{position:absolute;inset:6% 4% 12%;border-radius:50%;background:radial-gradient(60% 55% at 50% 45%,var(--accent,rgba(17,17,17,.10)),transparent 72%);filter:blur(42px);opacity:.9;transition:background .6s ease,opacity .6s ease;pointer-events:none;z-index:0}
.pf-case{position:relative;z-index:1;width:100%;max-width:560px;text-align:center;transition:opacity .34s ease,transform .34s cubic-bezier(.2,.65,.3,1)}
.pf-case.is-out{opacity:0;transform:translateY(10px) scale(.985)}
.pf-kicker{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3)}
.pf-brand{font-size:clamp(2rem,5.6vw,3.4rem);line-height:1;letter-spacing:-.045em;font-weight:500;margin:6px 0 clamp(16px,2.4vw,26px)}
.pf-shot{position:relative;display:flex;align-items:center;justify-content:center;height:clamp(150px,22vh,220px);margin-bottom:clamp(16px,2.4vw,26px)}
.pf-shot img{height:100%;width:auto;max-width:70%;object-fit:contain;border-radius:10px;filter:drop-shadow(0 18px 34px rgba(17,17,17,.16))}
.pf-shot video{height:100%;width:auto;max-width:70%;object-fit:contain;border-radius:10px;background:var(--paper);filter:drop-shadow(0 18px 34px rgba(17,17,17,.16))}
.pf-play{position:absolute;inset:0;display:none;align-items:center;justify-content:center;padding:0;border:0;background:transparent;color:#fff;cursor:pointer}
.pf-shot.is-paused .pf-play{display:flex}
.pf-play span{display:flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:50%;background:rgba(17,17,17,.6);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);transition:transform .25s,background .25s}
.pf-play:hover span{transform:scale(1.06);background:rgba(17,17,17,.78)}
.pf-play svg{width:13px;height:15px;margin-left:3px;fill:currentColor}
.pf-shot .pf-shot-ph{display:flex;align-items:center;justify-content:center;width:clamp(130px,17vw,180px);height:100%;border:1px dashed var(--line-2);border-radius:20px;color:var(--ink-4);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;background:rgba(255,255,255,.4)}
.pf-desc{margin:0 auto clamp(12px,2vw,18px);max-width:44ch;color:var(--ink-2);font-size:.98rem;line-height:1.55}
.pf-metric{font-weight:500;font-size:clamp(2.2rem,6vw,3.6rem);line-height:1;letter-spacing:-.05em;font-weight:700;margin-bottom:6px;background:linear-gradient(96deg,var(--accent-strong,var(--ink)),var(--ink));-webkit-background-clip:text;background-clip:text;color:transparent}
.pf-metric-l{font-size:.9rem;color:var(--ink-2);margin-bottom:clamp(14px,2vw,20px)}
.pf-badges{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:9px}
.pf-badge{display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.68);font-size:.82rem;font-weight:500}
.pf-badge.is-live::before{content:"";width:7px;height:7px;border-radius:50%;background:#3BBF6B;box-shadow:0 0 0 3px rgba(59,191,107,.18)}
.pf-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:7px;margin-bottom:clamp(18px,2.6vw,28px)}
.pf-tags span{padding:6px 13px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.45);font-size:.78rem;color:var(--ink-3)}

/* --- Навигация --- */
.pf-controls{display:flex;align-items:center;justify-content:center;gap:12px}
.pf-arrow{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:rgba(255,255,255,.7);cursor:pointer;color:var(--ink);transition:transform .3s,border-color .3s,background .3s;font-size:1.05rem;line-height:1}
.pf-arrow:hover:not(:disabled){transform:translateY(-2px);border-color:var(--line-2);background:#fff}
.pf-arrow:disabled{opacity:.34;cursor:default}
.pf-open{display:inline-flex;align-items:center;gap:10px;height:56px;padding:0 28px;border-radius:999px;background:var(--ink);color:#fff;text-decoration:none;font-size:1rem;font-weight:500;transition:transform .3s,box-shadow .3s}
.pf-open:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(17,17,17,.24)}
.pf-dots{display:flex;justify-content:center;gap:7px;margin-top:clamp(16px,2.4vw,24px)}
.pf-dot{width:7px;height:7px;border-radius:50%;border:0;padding:0;background:rgba(17,17,17,.2);cursor:pointer;transition:background .3s,transform .3s}
.pf-dot.is-active{background:var(--ink);transform:scale(1.32)}
.pf-empty{text-align:center;color:var(--ink-3);font-size:.95rem;max-width:34ch}
.pf-empty b{display:block;font-size:1.1rem;color:var(--ink);margin-bottom:8px;letter-spacing:-.02em}

/* --- Планшет и телефон: сферы лентой сверху --- */
@media(max-width:900px){
  .pf{grid-template-columns:minmax(0,1fr);gap:18px}
  .pf-nav{position:static;flex-direction:row;gap:8px;overflow-x:auto;padding-bottom:6px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .pf-nav::-webkit-scrollbar{display:none}
  .pf-cat{flex:0 0 auto;width:auto;gap:10px;padding:9px 14px 9px 9px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.45)}
  .pf-cat.is-active{border-color:var(--ink);box-shadow:none}
  .pf-ico{width:34px;height:34px;border-radius:10px;font-size:1rem}
  .pf-cat-txt b{font-size:.88rem;white-space:nowrap}
  .pf-cat-txt i{display:none}
  .pf-stage{min-height:0;padding:24px 0 8px}
}
@media(max-width:560px){
  .pf-shot{height:150px}
  .pf-controls{flex-wrap:wrap}
  .pf-open{order:-1;width:100%;justify-content:center}
}
@media(prefers-reduced-motion:reduce){.pf-case,.pf-arrow,.pf-open,.pf-ico,.pf-glow,.pf-play span{transition:none}}

/* --- Текстовый знак вместо картинки на обложке --- */
.pf-wordmark{display:flex;align-items:center;justify-content:center;width:100%;height:clamp(150px,22vh,220px);
  padding:0 24px;border:1px solid var(--line);border-radius:16px;background:#E9E9E9;
  font-size:clamp(2.2rem,5vw,3.6rem);font-weight:400;letter-spacing:-.045em;line-height:1;color:var(--ink)}

/* Хромовые иконки сфер объёмные сами по себе — плашка под ними лишняя.
   Селектор из двух классов, чтобы перебить общий .pf-ico из glass.css. */
.pf-cat .pf-ico{width:64px;height:64px;background:none;border:0;border-radius:0;box-shadow:none}
.pf-cat .pf-ico img{border-radius:0;padding:2px 5px 10px;filter:drop-shadow(0 6px 9px rgba(20,20,26,.24))}
@media(max-width:900px){.pf-cat .pf-ico{width:36px;height:36px}}