/* =========================================================================
   PLINSKY — Design System (dark hi-tech)
   Tokens + base + components. No framework, pure CSS.
   ========================================================================= */

:root {
  /* Palette */
  --plk-bg:            #05070E;
  --plk-bg-elev:       #0B1120;
  --plk-surface:       rgba(255, 255, 255, 0.045);
  --plk-surface-2:     rgba(255, 255, 255, 0.06);
  --plk-border:        rgba(140, 170, 220, 0.14);
  --plk-border-strong: rgba(140, 170, 220, 0.28);
  --plk-text:          #EAF0FA;
  --plk-muted:         #8A97B0;
  --plk-accent:        #2E8BFF;
  --plk-accent-2:      #00E5FF;

  /* Pillars */
  --plk-eng: #2E8BFF;  /* Engineering */
  --plk-vis: #B15CFF;  /* Visual */
  --plk-dig: #2EE6B0;  /* Digital */

  /* Active pillar (overridable per section / per page via [data-pillar]) */
  --plk-pillar: var(--plk-accent);
  --plk-pillar-rgb: 46, 139, 255;

  /* Typography */
  --plk-display: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --plk-body:    "Inter", system-ui, -apple-system, sans-serif;
  --plk-mono:    "JetBrains Mono", ui-monospace, "SFMono-Regular", monospace;

  /* Rhythm */
  --plk-radius: 14px;
  --plk-radius-lg: 20px;
  --plk-maxw: 1200px;
  --plk-gutter: clamp(1.1rem, 4vw, 2.5rem);

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-std: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-tech: cubic-bezier(0.7, 0, 0.3, 1);
}

[data-pillar="engineering"] { --plk-pillar: var(--plk-eng); --plk-pillar-rgb: 46, 139, 255; }
[data-pillar="visual"]      { --plk-pillar: var(--plk-vis); --plk-pillar-rgb: 177, 92, 255; }
[data-pillar="digital"]     { --plk-pillar: var(--plk-dig); --plk-pillar-rgb: 46, 230, 176; }

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  font-family: var(--plk-body);
  background: var(--plk-bg);
  color: var(--plk-text);
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Ambient background: subtle grid + radial glows */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(1200px 700px at 78% -8%, rgba(46,139,255,0.16), transparent 60%),
    radial-gradient(1000px 800px at 8% 12%, rgba(177,92,255,0.10), transparent 55%),
    radial-gradient(900px 900px at 50% 120%, rgba(46,230,176,0.08), transparent 60%);
  pointer-events: none;
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(140,170,220,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140,170,220,0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 75%);
  opacity: 0.5;
  pointer-events: none;
}

img, svg, video, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; }
:focus-visible { outline: 2px solid var(--plk-accent); outline-offset: 3px; border-radius: 4px; }

/* ---------- Layout ---------- */
.plk-container { width: 100%; max-width: var(--plk-maxw); margin-inline: auto; padding-inline: var(--plk-gutter); }
.plk-section { position: relative; padding-block: clamp(4.5rem, 10vw, 8rem); }
.plk-section--tight { padding-block: clamp(3rem, 6vw, 5rem); }

/* ---------- Typography helpers ---------- */
.plk-kicker {
  font-family: var(--plk-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--plk-pillar);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.plk-kicker::before {
  content: "";
  width: 22px; height: 1px;
  background: currentColor;
  opacity: 0.8;
}
h1, h2, h3, .plk-display {
  font-family: var(--plk-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.03;
  color: #fff;
}
.plk-h1 { font-size: clamp(2.6rem, 6.5vw, 5rem); font-weight: 700; }
.plk-h2 { font-size: clamp(2rem, 4.5vw, 3.2rem); }
.plk-h3 { font-size: clamp(1.35rem, 2.4vw, 1.7rem); }
.plk-lead { color: var(--plk-muted); font-size: clamp(1.02rem, 1.5vw, 1.2rem); max-width: 62ch; }
.plk-muted { color: var(--plk-muted); }
.plk-grad {
  background: linear-gradient(100deg, var(--plk-accent), var(--plk-accent-2) 60%, var(--plk-vis));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ---------- Buttons ---------- */
.plk-btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--plk-display); font-weight: 600; font-size: 0.95rem;
  letter-spacing: 0.02em;
  padding: 0.85rem 1.5rem; border-radius: 11px;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease-out), box-shadow 0.3s var(--ease-out), background 0.3s var(--ease-std), border-color 0.3s;
  position: relative; overflow: hidden;
}
.plk-btn .plk-arrow { transition: transform 0.3s var(--ease-out); }
.plk-btn:hover .plk-arrow { transform: translateX(4px); }
.plk-btn--primary {
  color: #fff;
  background: rgba(var(--plk-pillar-rgb), 0.12);
  border-color: rgba(var(--plk-pillar-rgb), 0.55);
  box-shadow: 0 0 0 1px rgba(var(--plk-pillar-rgb), 0.1), 0 0 26px rgba(var(--plk-pillar-rgb), 0.30);
}
.plk-btn--primary:hover {
  transform: translateY(-2px);
  background: rgba(var(--plk-pillar-rgb), 0.20);
  box-shadow: 0 0 0 1px rgba(var(--plk-pillar-rgb), 0.2), 0 0 42px rgba(var(--plk-pillar-rgb), 0.45);
}
.plk-btn--primary::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(105deg, transparent 30%, rgba(255,255,255,0.25) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.6s var(--ease-out);
}
.plk-btn--primary:hover::before { transform: translateX(120%); }
.plk-btn--ghost {
  color: var(--plk-text);
  border-color: var(--plk-border-strong);
}
.plk-btn--ghost:hover {
  border-color: var(--plk-pillar);
  color: #fff;
  box-shadow: 0 0 24px rgba(var(--plk-pillar-rgb), 0.22);
}

/* ---------- Glass surface ---------- */
.plk-glass {
  background: var(--plk-surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--plk-border);
  border-radius: var(--plk-radius-lg);
}

/* ---------- Navbar ---------- */
.plk-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 84px;
  display: flex; align-items: center;
  transition: height 0.3s var(--ease-std), background 0.3s, border-color 0.3s;
  background: rgba(11, 17, 32, 0.35);
  border-bottom: 1px solid transparent;
}
.plk-nav.is-scrolled {
  height: 64px;
  background: rgba(8, 12, 24, 0.72);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom-color: var(--plk-border);
}
.plk-nav__inner { width: 100%; max-width: var(--plk-maxw); margin-inline: auto; padding-inline: var(--plk-gutter);
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.plk-logo { color: #fff; height: 30px; display: inline-flex; align-items: center; }
.plk-logo svg { height: 30px; width: auto; }
.plk-nav__links { display: flex; align-items: center; gap: 1.8rem; }
.plk-nav__link {
  position: relative; font-weight: 500; font-size: 0.95rem; color: var(--plk-text);
  padding-block: 0.4rem;
}
.plk-nav__link::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 100%;
  background: var(--plk-pillar); transform: scaleX(0); transform-origin: left;
  transition: transform 0.3s var(--ease-out);
}
.plk-nav__link:hover::after, .plk-nav__link[aria-current="page"]::after { transform: scaleX(1); }
.plk-nav__right { display: flex; align-items: center; gap: 1.1rem; }

.plk-lang { display: inline-flex; align-items: center; gap: 0.35rem; font-family: var(--plk-mono);
  font-size: 0.78rem; color: var(--plk-muted); }
.plk-lang button { padding: 0.2rem 0.35rem; border-radius: 5px; transition: color 0.2s, background 0.2s; }
.plk-lang button[aria-pressed="true"] { color: #fff; background: rgba(var(--plk-pillar-rgb), 0.18); }
.plk-lang button:hover { color: var(--plk-text); }

.plk-burger { display: none; width: 42px; height: 42px; border: 1px solid var(--plk-border);
  border-radius: 10px; position: relative; }
.plk-burger span { position: absolute; left: 11px; right: 11px; height: 2px; background: var(--plk-text);
  transition: transform 0.3s var(--ease-out), opacity 0.2s; }
.plk-burger span:nth-child(1) { top: 15px; }
.plk-burger span:nth-child(2) { top: 21px; }
.plk-burger span:nth-child(3) { top: 27px; }
body.plk-menu-open .plk-burger span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
body.plk-menu-open .plk-burger span:nth-child(2) { opacity: 0; }
body.plk-menu-open .plk-burger span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Mobile overlay */
.plk-mobile {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(5, 7, 14, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex; flex-direction: column; justify-content: center; gap: 0.4rem;
  padding: 6rem var(--plk-gutter) 2rem;
  transform: translateY(-100%); opacity: 0; pointer-events: none;
  transition: transform 0.5s var(--ease-out), opacity 0.4s;
}
body.plk-menu-open .plk-mobile { transform: translateY(0); opacity: 1; pointer-events: auto; }
.plk-mobile a { font-family: var(--plk-display); font-size: 1.6rem; font-weight: 600; padding-block: 0.5rem; color: #fff; }
.plk-mobile .plk-mobile__group { font-family: var(--plk-mono); font-size: 0.72rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--plk-muted); margin-top: 1.2rem; }

/* ---------- Section headers ---------- */
.plk-sechead { max-width: 60ch; margin-bottom: clamp(2rem, 4vw, 3.2rem); }
.plk-sechead .plk-kicker { margin-bottom: 1rem; }

/* ---------- Service cards ---------- */
.plk-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.2rem; }
.plk-card {
  position: relative; display: flex; flex-direction: column; gap: 0.9rem;
  padding: 1.6rem 1.5rem 1.5rem;
  background: var(--plk-surface); border: 1px solid var(--plk-border);
  border-radius: var(--plk-radius-lg);
  transition: transform 0.35s var(--ease-out), border-color 0.35s, box-shadow 0.35s;
  overflow: hidden; isolation: isolate;
  --plk-pillar: var(--plk-accent); --plk-pillar-rgb: 46, 139, 255;
}
.plk-card[data-pillar="engineering"] { --plk-pillar: var(--plk-eng); --plk-pillar-rgb: 46, 139, 255; }
.plk-card[data-pillar="visual"]      { --plk-pillar: var(--plk-vis); --plk-pillar-rgb: 177, 92, 255; }
.plk-card[data-pillar="digital"]     { --plk-pillar: var(--plk-dig); --plk-pillar-rgb: 46, 230, 176; }
.plk-card::before { /* top accent line */
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--plk-pillar), transparent 70%);
  opacity: 0.8;
}
.plk-card::after { /* spotlight follows pointer (set via JS vars) */
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(340px circle at var(--mx, 50%) var(--my, 0%), rgba(var(--plk-pillar-rgb), 0.14), transparent 60%);
  opacity: 0; transition: opacity 0.3s;
}
.plk-card:hover { transform: translateY(-6px); border-color: rgba(var(--plk-pillar-rgb), 0.5);
  box-shadow: 0 18px 50px -20px rgba(var(--plk-pillar-rgb), 0.5); }
.plk-card:hover::after { opacity: 1; }
.plk-card__index { font-family: var(--plk-mono); font-size: 0.72rem; letter-spacing: 0.12em;
  color: var(--plk-muted); text-transform: uppercase; }
.plk-card__index b { color: var(--plk-pillar); font-weight: 500; }
.plk-card__icon { width: 44px; height: 44px; color: var(--plk-pillar);
  display: grid; place-items: center; border: 1px solid rgba(var(--plk-pillar-rgb), 0.3);
  border-radius: 11px; background: rgba(var(--plk-pillar-rgb), 0.08); }
.plk-card__icon svg { width: 24px; height: 24px; }
.plk-card__title { font-family: var(--plk-display); font-size: 1.22rem; font-weight: 600; color: #fff; }
.plk-card__desc { color: var(--plk-muted); font-size: 0.96rem;
  display: -webkit-box; -webkit-line-clamp: 3; line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.plk-card__link { margin-top: auto; font-family: var(--plk-mono); font-size: 0.8rem; letter-spacing: 0.06em;
  color: var(--plk-pillar); display: inline-flex; align-items: center; gap: 0.4rem; text-transform: uppercase; }
.plk-card .plk-bracket { position: absolute; width: 12px; height: 12px; border: 1px solid rgba(var(--plk-pillar-rgb),0.5);
  opacity: 0; transition: opacity 0.3s; }
.plk-card:hover .plk-bracket { opacity: 1; }
.plk-bracket.tl { top: 10px; left: 10px; border-right: 0; border-bottom: 0; }
.plk-bracket.tr { top: 10px; right: 10px; border-left: 0; border-bottom: 0; }
.plk-bracket.bl { bottom: 10px; left: 10px; border-right: 0; border-top: 0; }
.plk-bracket.br { bottom: 10px; right: 10px; border-left: 0; border-top: 0; }

/* ---------- Pillar columns ---------- */
.plk-pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.plk-pillar { padding: 1.7rem 1.5rem; border-radius: var(--plk-radius-lg);
  border: 1px solid var(--plk-border); background: var(--plk-surface); }
.plk-pillar h3 { font-size: 1.3rem; margin-block: 0.6rem 0.5rem; }
.plk-pillar ul { list-style: none; padding: 0; margin-top: 0.8rem; display: grid; gap: 0.4rem; }
.plk-pillar li { color: var(--plk-muted); font-size: 0.92rem; padding-left: 1rem; position: relative; }
.plk-pillar li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 6px; height: 6px;
  border-radius: 50%; background: var(--plk-pillar); }

/* ---------- KPI ---------- */
.plk-kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1.2rem; }
.plk-kpi { text-align: center; padding: 1.4rem 1rem; border: 1px solid var(--plk-border);
  border-radius: var(--plk-radius); background: var(--plk-surface); }
.plk-kpi__num { font-family: var(--plk-display); font-size: clamp(2.2rem, 5vw, 3.2rem); font-weight: 700; color: #fff;
  line-height: 1; }
.plk-kpi__num .plk-suffix { color: var(--plk-accent); }
.plk-kpi__label { font-family: var(--plk-mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--plk-muted); margin-top: 0.6rem; }

/* ---------- Bullets (feature rows) ---------- */
.plk-features { display: grid; gap: 0.9rem; list-style: none; padding: 0; }
.plk-features li { display: flex; gap: 0.9rem; align-items: flex-start; padding: 1rem 1.1rem;
  border: 1px solid var(--plk-border); border-radius: var(--plk-radius); background: var(--plk-surface);
  color: var(--plk-text); }
.plk-features li::before { content: ""; flex: 0 0 auto; width: 8px; height: 8px; margin-top: 0.55em;
  border-radius: 2px; background: var(--plk-pillar); box-shadow: 0 0 10px rgba(var(--plk-pillar-rgb), 0.7); }

/* ---------- Scanline divider ---------- */
.plk-scan { position: relative; height: 1px; background: var(--plk-border); overflow: visible; }
.plk-scan::before { content: ""; position: absolute; top: 0; left: 0; height: 100%; width: 30%;
  background: linear-gradient(90deg, transparent, var(--plk-pillar), transparent); }

/* ---------- Footer ---------- */
.plk-footer { border-top: 1px solid var(--plk-border); background: rgba(8,12,24,0.6);
  padding-block: clamp(3rem, 6vw, 4.5rem) 2rem; margin-top: 3rem; }
.plk-footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2rem; }
.plk-footer h4 { font-family: var(--plk-mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--plk-muted); margin-bottom: 1rem; }
.plk-footer ul { list-style: none; padding: 0; display: grid; gap: 0.5rem; }
.plk-footer a { color: var(--plk-text); font-size: 0.92rem; position: relative; }
.plk-footer a:hover { color: #fff; }
.plk-footer__bottom { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  margin-top: 2.5rem; padding-top: 1.5rem; border-top: 1px solid var(--plk-border);
  color: var(--plk-muted); font-size: 0.85rem; font-family: var(--plk-mono); }

/* ---------- Reveal animations ---------- */
[data-reveal] { opacity: 0; transform: translateY(24px); }
[data-reveal].is-in { opacity: 1; transform: none; transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out); }

/* ---------- Hero ---------- */
.plk-hero { position: relative; min-height: 100svh; display: flex; align-items: center; overflow: hidden; }
.plk-hero__canvas { position: absolute; inset: 0; z-index: 0; }
.plk-hero__poster { position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(680px 680px at 70% 45%, rgba(46,139,255,0.28), transparent 62%),
    radial-gradient(420px 420px at 62% 40%, rgba(0,229,255,0.18), transparent 60%); }
.plk-hero__inner { position: relative; z-index: 2; }
.plk-hero__scrim { position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(90deg, rgba(5,7,14,0.85) 0%, rgba(5,7,14,0.5) 42%, transparent 70%); }
.plk-hero .plk-h1 { margin-block: 1rem 1.2rem; }
.plk-hero__cta { display: flex; gap: 0.9rem; flex-wrap: wrap; margin-top: 1.8rem; }
.plk-hero__scrollcue { position: absolute; bottom: 1.6rem; left: 50%; transform: translateX(-50%); z-index: 2;
  font-family: var(--plk-mono); font-size: 0.68rem; letter-spacing: 0.2em; color: var(--plk-muted);
  text-transform: uppercase; display: flex; flex-direction: column; align-items: center; gap: 0.5rem; }
.plk-hero__scrollcue::after { content: ""; width: 1px; height: 34px;
  background: linear-gradient(var(--plk-accent), transparent); animation: plk-cue 2s var(--ease-std) infinite; }
@keyframes plk-cue { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* ---------- Split / media rows ---------- */
.plk-split { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center; }
.plk-mediaframe { position: relative; border: 1px solid var(--plk-border); border-radius: var(--plk-radius-lg);
  overflow: hidden; background: var(--plk-bg-elev); aspect-ratio: 16/10;
  display: grid; place-items: center; }
.plk-mediaframe .plk-soon { font-family: var(--plk-mono); font-size: 0.78rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--plk-muted); }

/* ---------- Portfolio / video cards ---------- */
.plk-videos { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.2rem; }
.plk-video-card { position: relative; border: 1px solid var(--plk-border); border-radius: var(--plk-radius);
  overflow: hidden; background: var(--plk-bg-elev); aspect-ratio: 16/9; }
.plk-video-card .plk-yt-facade { position: absolute; inset: 0; width: 100%; height: 100%; }
.plk-video-card img { width: 100%; height: 100%; object-fit: cover; opacity: 0.85; transition: opacity 0.3s, transform 0.5s var(--ease-out); }
.plk-video-card:hover img { opacity: 1; transform: scale(1.04); }
.plk-play { position: absolute; inset: 0; display: grid; place-items: center; }
.plk-play::before { content: ""; width: 62px; height: 62px; border-radius: 50%;
  background: rgba(var(--plk-pillar-rgb), 0.9); box-shadow: 0 0 40px rgba(var(--plk-pillar-rgb), 0.6); }
.plk-play::after { content: ""; position: absolute; width: 0; height: 0; margin-left: 4px;
  border-left: 16px solid #05070E; border-top: 10px solid transparent; border-bottom: 10px solid transparent; }
.plk-video-card__cap { position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; pointer-events: none;
  padding: 1.5rem 0.9rem 0.7rem; font-family: var(--plk-mono); font-size: 0.72rem; letter-spacing: 0.03em;
  color: var(--plk-text); background: linear-gradient(transparent, rgba(5, 7, 14, 0.85)); }
.plk-video-card__cap b { color: var(--plk-pillar); font-weight: 500; }

/* ---------- Skip link ---------- */
.plk-skip { position: absolute; left: -999px; top: 0; z-index: 200; background: var(--plk-accent); color: #001; padding: 0.6rem 1rem; border-radius: 0 0 8px 0; }
.plk-skip:focus { left: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .plk-pillars { grid-template-columns: 1fr; }
  .plk-split { grid-template-columns: 1fr; }
  .plk-footer__grid { grid-template-columns: 1fr 1fr; }
  .plk-nav__links { display: none; }
  .plk-burger { display: block; }
  .plk-hero__scrim { background: linear-gradient(180deg, rgba(5,7,14,0.4), rgba(5,7,14,0.85)); }
}
@media (max-width: 520px) {
  .plk-footer__grid { grid-template-columns: 1fr; }
}

/* ---------- Scroll-FX section (sticky 3D scene) ---------- */
.plk-fx { position: relative; height: 300svh; }
.plk-fx__sticky { position: sticky; top: 0; height: 100svh; overflow: hidden; }
.plk-fx__canvas { position: absolute; inset: 0; z-index: 0; }
.plk-fx__scrim { position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(90deg, rgba(5,7,14,0.82) 0%, rgba(5,7,14,0.42) 42%, rgba(5,7,14,0) 72%),
              linear-gradient(0deg, rgba(5,7,14,0.3), transparent 26%); }
.plk-fx__overlay { position: absolute; inset: 0; z-index: 2; display: flex; align-items: center; pointer-events: none; }
.plk-fx__overlay .plk-container { pointer-events: auto; }
.plk-fx__badge { display: inline-flex; align-items: center; gap: 0.6rem; font-family: var(--plk-mono);
  font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--plk-pillar);
  border: 1px solid rgba(var(--plk-pillar-rgb), 0.35); border-radius: 100px; padding: 0.35rem 0.8rem;
  background: rgba(var(--plk-pillar-rgb), 0.08); }
.plk-fx__hint { position: absolute; left: 50%; bottom: 1.4rem; transform: translateX(-50%); z-index: 3;
  font-family: var(--plk-mono); font-size: 0.66rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--plk-muted); display: flex; flex-direction: column; align-items: center; gap: 0.4rem; }
.plk-fx__hint::after { content: ""; width: 1px; height: 26px; background: linear-gradient(var(--plk-pillar), transparent); }
.plk-fx__stat { font-family: var(--plk-mono); font-size: 0.72rem; letter-spacing: 0.08em; color: var(--plk-muted);
  margin-top: 1.2rem; display: flex; gap: 1.4rem; flex-wrap: wrap; }
.plk-fx__stat b { color: var(--plk-pillar); font-weight: 500; }

@media (prefers-reduced-motion: reduce) {
  .plk-fx { height: auto; }
  .plk-fx__sticky { position: static; height: auto; min-height: 78svh; }
  .plk-fx__hint { display: none; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1 !important; transform: none !important; transition: none !important; }
  .plk-hero__scrollcue::after { animation: none; }
  .plk-btn::before { display: none; }
  * { scroll-behavior: auto !important; }
}

/* ---------- Home journey 3D (canvas fisso dietro tutti i contenuti) ---------- */
#plk-journey { position: fixed; inset: 0; z-index: -1; pointer-events: none; }
#plk-journey canvas { width: 100% !important; height: 100% !important; }
/* Quando il viaggio 3D e' attivo, il poster/scrim dell'hero (fallback) si spegne
   e i testi lunghi guadagnano un'ombra leggera per la leggibilita' sul canvas. */
body.plk-journey-on .plk-hero__poster,
body.plk-journey-on .plk-hero__scrim,
body.plk-journey-on .plk-hero__canvas { display: none; }
body.plk-journey-on .plk-lead,
body.plk-journey-on .plk-muted { text-shadow: 0 1px 16px rgba(5, 7, 14, 0.65); }