/* ============================================================
   AVANZATO — Portfolio 3D experience (scoped to portfolio.html)
   Pure-CSS 3D: perspective decks, tilt cards, floating shapes.
   Everything heavy is gated behind hover + reduced-motion.
   ============================================================ */

/* keep page content above the shapes; clip stray 3D overflow */
html:has(body[data-page="portfolio"]) { overflow-x: hidden; }
body[data-page="portfolio"] { overflow-x: hidden; }
body[data-page="portfolio"] .p-hero,
body[data-page="portfolio"] .block { position: relative; z-index: 1; }

/* ---------- HERO: split layout + 3D floating deck ---------- */
body[data-page="portfolio"] .p-hero { min-height: 88vh; align-items: center; padding-top: clamp(120px,14vh,168px); padding-bottom: 40px; }
.p3-hero-grid {
  display: grid; grid-template-columns: 1.05fr .95fr;
  gap: clamp(30px, 5vw, 80px); align-items: center; width: 100%;
}
.p3-hero-copy { max-width: 620px; }
.p3-hero-copy .display { white-space: nowrap; }
.p3-hero-copy .lede { max-width: 560px; }
.p3-hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.p3-tag {
  font-family: var(--font-sans); font-size: 12.5px; letter-spacing: .02em;
  color: var(--ink-2); padding: 8px 15px; border: 1px solid var(--hairline);
  border-radius: 100px; background: rgba(10, 10, 10,.02);
  transition: color .35s var(--ease), border-color .35s var(--ease), transform .35s var(--ease);
}
.p3-tag:hover { color: var(--ink); border-color: rgba(10, 10, 10,.45); transform: translateY(-2px); }

/* the floating deck stage */
.p3-stage {
  position: relative; height: clamp(360px, 46vw, 540px);
  perspective: 1400px; perspective-origin: 50% 45%;
}
.p3-deck { position: absolute; inset: 0; transform-style: preserve-3d; transition: transform .3s var(--ease-soft); }
.p3-deck-card {
  position: absolute; top: 50%; left: 50%;
  width: clamp(190px, 22vw, 270px); aspect-ratio: 16/11;
  margin: 0; border-radius: 12px; overflow: hidden;
  transform-style: preserve-3d; backface-visibility: hidden;
  border: 1px solid rgba(10, 10, 10,.12);
  box-shadow: 0 40px 80px -30px rgba(10, 10, 10,.14), 0 0 0 1px rgba(10, 10, 10,.10);
  background: var(--surface);
}
.p3-deck-card img { width: 100%; height: 100%; object-fit: cover; display: block; filter: saturate(1.05) contrast(1.02); }
.p3-deck-card::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(10, 10, 10,.14), transparent 55%);
  mix-blend-mode: screen;
}
.p3-deck-card span {
  position: absolute; left: 12px; bottom: 10px; z-index: 2;
  font-family: var(--font-display); font-size: 13px; color: #fff;
  text-shadow: 0 2px 12px rgba(10, 10, 10,.16); letter-spacing: .01em;
}
/* fanned positions (set via transform; JS bobs them) */
.p3-deck-card.d1 { transform: translate(-50%,-50%) translate3d(-118px,-58px,40px) rotateY(20deg) rotateX(6deg) rotateZ(-7deg); }
.p3-deck-card.d2 { transform: translate(-50%,-50%) translate3d(64px,-92px,140px)  rotateY(-14deg) rotateX(7deg) rotateZ(5deg); z-index: 4; }
.p3-deck-card.d3 { transform: translate(-50%,-50%) translate3d(-44px,86px,90px)  rotateY(12deg) rotateX(-8deg) rotateZ(4deg); z-index: 3; }
.p3-deck-card.d4 { transform: translate(-50%,-50%) translate3d(132px,52px,-30px) rotateY(-22deg) rotateX(-5deg) rotateZ(8deg); }

@media (prefers-reduced-motion: no-preference) {
  .p3-deck-card { animation: p3bob 7s ease-in-out infinite; }
  .p3-deck-card.d2 { animation-delay: -1.6s; animation-duration: 8s; }
  .p3-deck-card.d3 { animation-delay: -3.2s; animation-duration: 7.6s; }
  .p3-deck-card.d4 { animation-delay: -4.6s; animation-duration: 8.4s; }
}
@keyframes p3bob {
  0%,100% { translate: 0 0; }
  50%     { translate: 0 -16px; }
}

/* glow puck behind the deck */
.p3-stage::before {
  content: ""; position: absolute; left: 50%; top: 54%; width: 60%; height: 46%;
  transform: translate(-50%,-50%);
  background: radial-gradient(closest-side, rgba(10, 10, 10,.22), transparent 75%);
  filter: blur(20px); z-index: -1;
}

/* ---------- 3D scene gallery ---------- */
.p3-scene {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: clamp(22px, 3vw, 42px);
  perspective: 1500px; margin-top: 14px;
}
.p3-card { position: relative; }
.p3-link {
  display: block; position: relative; text-decoration: none; color: inherit;
}
/* окно браузера: рамка Safari уже в самом скриншоте, поэтому просто
   аккуратная карточка-окно + подпись снизу */
.p3-card-inner {
  position: relative; border-radius: 12px; overflow: hidden;
  aspect-ratio: 4336 / 2804;
  border: 1px solid var(--hairline);
  background: var(--bg-2);
  box-shadow: 0 30px 60px -42px rgba(10, 10, 10, .55);
  transition: transform .5s var(--ease), box-shadow .5s var(--ease), border-color .5s var(--ease);
  will-change: transform;
}
.p3-img { position: absolute; inset: 0; }
.p3-img img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  filter: grayscale(.22) brightness(.97);
  transition: filter .6s var(--ease), transform .8s var(--ease);
  transform: scale(1.005);
}
.p3-glare { display: none; }

/* подпись под окном — редакционный вид */
.p3-cap { display: flex; align-items: baseline; gap: 18px; margin-top: 20px; padding: 0 2px; }
.p3-num {
  font-family: var(--font-display); font-weight: 500;
  font-size: 15px; line-height: 1; flex: none; letter-spacing: .02em;
  color: transparent; -webkit-text-stroke: 1px var(--ink-3);
  transition: -webkit-text-stroke-color .4s var(--ease);
}
.p3-info { flex: 1; min-width: 0; }
.p3-info h3 {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(18px, 2vw, 23px); margin: 0 0 3px; color: var(--ink);
  letter-spacing: -.01em;
}
.p3-info p { margin: 0; font-size: 13.5px; color: var(--ink-2); line-height: 1.4; }
.p3-meta {
  flex: none; align-self: center;
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-sans); font-size: 11px; letter-spacing: .13em;
  text-transform: uppercase; color: var(--ink-3);
  transition: color .4s var(--ease), gap .4s var(--ease);
}
.p3-meta::after { content: ""; width: 18px; height: 1px; background: currentColor; transition: width .4s var(--ease); }

/* hover — окно приподнимается, скрин наливается цветом, акценты */
@media (hover: hover) and (pointer: fine) {
  .p3-link:hover .p3-card-inner {
    transform: translateY(-6px);
    border-color: color-mix(in srgb, var(--accent) 40%, var(--hairline));
    box-shadow: 0 46px 84px -46px rgba(10, 10, 10, .5);
  }
  .p3-link:hover .p3-img img { filter: grayscale(0) brightness(1); transform: scale(1.03); }
  .p3-link:hover .p3-num { -webkit-text-stroke-color: var(--accent); }
  .p3-link:hover .p3-meta { color: var(--accent); gap: 12px; }
}
/* touch / no-hover: показываем в цвете */
@media (hover: none) {
  .p3-img img { filter: grayscale(0) brightness(1); }
}

/* широкие карточки — во всю ширину, та же пропорция окна */
.p3-card.wide { grid-column: 1 / -1; }

/* ---------- responsive ---------- */
@media (max-width: 940px) {
  .p3-hero-grid { grid-template-columns: 1fr; gap: 24px; }
  .p3-stage { order: -1; height: clamp(300px, 64vw, 420px); }
  body[data-page="portfolio"] .p-hero { min-height: auto; padding-top: 120px; }
}
@media (max-width: 640px) {
  .p3-scene { grid-template-columns: 1fr; }
  .p3-deck-card { width: clamp(150px, 46vw, 200px); }
  .p3-deck { transform: scale(.8); }
  .p3-stage { overflow: hidden; }
}

@media (prefers-reduced-motion: reduce) {
  .p3-deck-card { animation: none !important; }
  .p3-card-inner { transition: none; }
}