/* Pixelplan — Signature Motion landing. Tokens come from ds/styles.css */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--pp-bg);
  color: var(--pp-ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  font-feature-settings: 'kern','liga';
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 28px; }

/* ---------- scroll progress ---------- */
#progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 100%;
  transform-origin: 0 50%; transform: scaleX(0);
  background: var(--pp-gradient); z-index: 200; pointer-events: none;
}

/* ---------- nav ---------- */
.snav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--pp-glass-nav); backdrop-filter: var(--blur-nav); -webkit-backdrop-filter: var(--blur-nav);
  border-bottom: 1px solid rgba(38,50,74,0.6);
}
.snav .wrap { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand { display: flex; align-items: center; gap: 9px; text-decoration: none; }
.brand img.mk { height: 30px; width: auto; }
.brand img.wm { height: 16px; width: auto; }
.nav-right { display: flex; align-items: center; gap: 12px; }

/* lang toggle */
.lang { display: inline-flex; border: 1px solid var(--pp-border); border-radius: var(--radius-pill); overflow: hidden; }
.lang button {
  border: none; cursor: pointer; padding: 6px 12px; font-family: var(--font-body);
  font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em;
  background: transparent; color: var(--pp-ink-3); transition: all var(--dur-fast);
}
.lang button.on { background: var(--pp-gradient); color: var(--pp-on-accent); }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--font-body); font-weight: 600; font-size: 14px; line-height: 1;
  padding: 11px 22px; border-radius: var(--radius-pill); border: 1px solid transparent;
  cursor: pointer; text-decoration: none; white-space: nowrap; position: relative;
  transition: transform var(--dur-fast) var(--ease-out), filter var(--dur-fast), border-color var(--dur-fast), color var(--dur-fast);
}
.btn-primary { background: var(--pp-gradient); color: var(--pp-on-accent); box-shadow: var(--glow-primary); }
.btn-primary:hover { filter: brightness(1.1); }
.btn-ghost { background: transparent; color: var(--pp-ink-2); border-color: var(--pp-border); }
.btn-ghost:hover { color: var(--pp-ink); border-color: var(--pp-border-2); }
.btn-lg { padding: 15px 30px; font-size: 15px; }
.btn svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.btn:focus-visible, .lang button:focus-visible, .show-item:focus-visible { outline: none; box-shadow: var(--focus-ring); }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden; }
#scene { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.hero-shade {
  position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(90deg, var(--pp-bg) 0%, rgba(10,14,22,0.85) 30%, rgba(10,14,22,0.25) 55%, transparent 75%),
    linear-gradient(180deg, rgba(10,14,22,0.6), transparent 22%, transparent 78%, var(--pp-bg));
}
.hero-inner { position: relative; z-index: 2; width: 100%; padding-top: 66px; }
.hero-copy { max-width: 620px; }

/* Mobile/tablet: the scene would render BEHIND the hero copy (text is
   full-width), so switch the hero to a column — copy first, then the 3D
   scene in its own band below the CTAs. Breakpoint matches scene.js (900),
   which centers the building at W*0.5 and bumps its scale there. */
@media (max-width: 900px) {
  .hero { min-height: auto; display: flex; flex-direction: column; align-items: stretch; padding-top: 66px; }
  .hero-inner { order: 1; padding-top: 36px; }
  #scene { order: 2; position: relative; inset: auto; width: 100%; height: 46vh; min-height: 300px; }
  .hero-shade { display: none; } /* nothing overlaps anymore */
}

.pill {
  display: inline-flex; align-items: center; gap: 9px; font-size: 13px; font-weight: 500;
  color: var(--pp-ink-2); background: var(--pp-pill-fill); border: 1px solid var(--pp-border);
  padding: 7px 15px; border-radius: var(--radius-pill); backdrop-filter: var(--blur-glass);
}
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--pp-mint); box-shadow: 0 0 10px var(--pp-mint); }
@media (prefers-reduced-motion: no-preference) { .pill .dot { animation: pulse 2.4s ease-in-out infinite; } }
@keyframes pulse { 0%,100% { opacity: 1 } 50% { opacity: 0.35 } }

.hero h1 {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(42px, 5.6vw, 74px); line-height: 1.0; letter-spacing: -0.028em;
  margin: 26px 0 24px;
}
.hero h1 .acc {
  background: linear-gradient(110deg, #1565C0, #16B5C4 35%, #1FC9A0 55%, #16B5C4 75%, #1565C0);
  background-size: 220% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
@media (prefers-reduced-motion: no-preference) {
  .hero h1 .acc { animation: shimmer 7s linear infinite; }
}
@keyframes shimmer { 0% { background-position: 0% 0 } 100% { background-position: 220% 0 } }

.hero .sub { font-size: clamp(16px, 1.6vw, 19px); color: var(--pp-ink-2); line-height: 1.65; max-width: 540px; margin: 0 0 34px; text-wrap: pretty; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }

/* HUD chips over the scene */
.hud { position: absolute; right: 4%; top: 50%; transform: translateY(-50%); z-index: 2; display: flex; flex-direction: column; gap: 12px; align-items: flex-end; }
.hud-chip {
  display: inline-flex; align-items: center; gap: 9px; font-size: 12.5px; font-weight: 600;
  color: var(--pp-ink); background: var(--pp-glass); backdrop-filter: var(--blur-glass);
  border: 1px solid var(--pp-border); border-radius: var(--radius-sm); padding: 9px 13px;
  font-variant-numeric: tabular-nums;
  opacity: 0.35; transform: translateX(6px);
  transition: opacity .5s var(--ease-out), transform .5s var(--ease-out), border-color .5s;
}
.hud-chip .d { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.hud-chip[data-tone="defect"] .d { background: var(--pp-red); }
.hud-chip[data-tone="safe"] .d { background: var(--pp-mint); box-shadow: 0 0 7px var(--pp-mint); }
.hud-chip[data-tone="info"] .d { background: var(--pp-cyan); box-shadow: 0 0 7px var(--pp-cyan); }
.hud-chip.on { opacity: 1; transform: translateX(0); border-color: var(--pp-border-2); }
.hud-chip .ct { color: var(--pp-ink-3); }
@media (max-width: 980px) { .hud { display: none; } }

/* ---------- process strip ---------- */
.steps { border-top: 1px solid var(--pp-border); border-bottom: 1px solid var(--pp-border); padding: 26px 0; }
.steps-row { display: flex; align-items: center; gap: 22px; justify-content: center; }
.step { display: flex; align-items: center; gap: 12px; white-space: nowrap; }
.step .n {
  font-family: var(--font-display); font-weight: 700; font-size: 13px; font-variant-numeric: tabular-nums;
  background: var(--pp-gradient); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.step .t { font-family: var(--font-display); font-weight: 600; font-size: clamp(14px, 1.5vw, 17px); letter-spacing: -0.01em; color: var(--pp-ink-2); }
.sline { flex: 0 1 110px; height: 1px; background: linear-gradient(90deg, var(--pp-border), var(--pp-cyan)); position: relative; }
.sline::after { content: ""; position: absolute; right: 0; top: 50%; width: 6px; height: 6px; border-top: 1.5px solid var(--pp-cyan); border-right: 1.5px solid var(--pp-cyan); transform: translateY(-50%) rotate(45deg); }
@media (max-width: 760px) {
  .steps-row { flex-direction: column; gap: 14px; }
  .step { white-space: normal; text-align: center; }
  .sline { width: 1px; height: 26px; flex: none; background: linear-gradient(180deg, var(--pp-border), var(--pp-cyan)); }
  .sline::after { right: auto; left: 50%; top: auto; bottom: 0; transform: translateX(-50%) rotate(135deg); }
}

/* ---------- showcase (sticky scroll theatre) ---------- */
.show-wrap { position: relative; height: 440vh; }
.show-sticky { position: sticky; top: 0; height: 100vh; display: flex; align-items: center; overflow: hidden; }
.show-grid { display: grid; grid-template-columns: minmax(330px, 0.9fr) 1.3fr; gap: 56px; align-items: center; width: 100%; }

.show-kicker { font-family: var(--font-display); font-size: 12px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--pp-cyan); margin-bottom: 18px; }
.show-item { padding: 16px 0 16px 22px; border-left: 2px solid var(--pp-border); cursor: pointer; transition: border-color .3s; position: relative; }
.show-item .bar { position: absolute; left: -2px; top: 0; width: 2px; height: 0; background: var(--pp-gradient); transition: height .25s linear; }
.show-item .num { font-family: var(--font-display); font-size: 11.5px; font-weight: 600; color: var(--pp-ink-4); letter-spacing: 0.1em; font-variant-numeric: tabular-nums; }
.show-item h3 { font-family: var(--font-display); font-size: clamp(22px, 2.2vw, 30px); font-weight: 700; letter-spacing: -0.02em; margin: 6px 0 2px; color: var(--pp-ink-3); transition: color .3s; }
.show-item .tg { font-family: var(--font-display); font-size: 11.5px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.07em; color: var(--pp-ink-4); transition: color .3s; }
.show-item .dsc { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .45s var(--ease-out); }
.show-item .dsc > div { overflow: hidden; }
.show-item .dsc p { font-size: 14.5px; line-height: 1.6; color: var(--pp-ink-2); margin: 10px 0 0; max-width: 360px; text-wrap: pretty; }
.show-item.on h3 { color: var(--pp-ink); }
.show-item.on .tg { color: var(--pp-cyan); }
.show-item.on .dsc { grid-template-rows: 1fr; }

/* stage */
.stage { position: relative; border: 1px solid var(--pp-border); border-radius: var(--radius-xl); overflow: hidden; background: var(--pp-surface); box-shadow: var(--shadow-frame); }
.stage-bar { position: relative; display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--pp-border); background: var(--pp-card-2); z-index: 3; }
.stage-bar .ttl { font-family: var(--font-display); font-weight: 600; font-size: 12px; color: var(--pp-ink-3); }
.stage-bar .sts { margin-left: auto; font-family: var(--font-display); font-weight: 600; font-size: 11.5px; color: var(--pp-ink-3); font-variant-numeric: tabular-nums; display: inline-flex; align-items: center; gap: 7px; }
.stage-bar .sts .d { width: 6px; height: 6px; border-radius: 50%; background: var(--pp-mint); box-shadow: 0 0 8px var(--pp-mint); }
.stage-bar::after { content: ""; position: absolute; left: 0; bottom: -1px; height: 2px; width: 100%; background: var(--rule-accent); opacity: 0.55; }
.stage-view { position: relative; aspect-ratio: 16/10.6; }
.stage-view .shot { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0; transform: scale(1.06); transition: opacity .65s var(--ease-out), transform .9s var(--ease-out); }
.stage-view .shot.on { opacity: 1; transform: scale(1); }
.stage-view .ov { position: absolute; inset: 0; opacity: 0; transition: opacity .5s .25s; pointer-events: none; }
.stage-view .ov.on { opacity: 1; }

/* overlay primitives */
.pin { position: absolute; width: 16px; height: 16px; border-radius: 50%; transform: translate(-50%,-50%); border: 2.5px solid #fff; box-shadow: 0 0 0 4px rgba(0,0,0,0.25); }
.pin.def { background: var(--pp-red); }
.pin.def::after { content: ""; position: absolute; inset: -7px; border-radius: 50%; border: 2px solid var(--pp-red); }
@media (prefers-reduced-motion: no-preference) { .pin.def::after { animation: ping 2s ease-out infinite; } }
@keyframes ping { 0% { transform: scale(1); opacity: .8 } 100% { transform: scale(2.1); opacity: 0 } }
.pin.safe { background: var(--pp-mint); }
.chip { position: absolute; transform: translate(-50%,-50%); display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; font-weight: 600; background: var(--pp-glass); backdrop-filter: var(--blur-glass); border: 1px solid var(--pp-border); color: var(--pp-ink); padding: 5px 10px; border-radius: var(--radius-xs); white-space: nowrap; font-variant-numeric: tabular-nums; }
.chip.grad { background: var(--pp-gradient); color: var(--pp-on-accent); border-color: transparent; }
.chip .d { width: 7px; height: 7px; border-radius: 50%; }
.cross { position: absolute; width: 38px; height: 38px; transform: translate(-50%,-50%); }
.cross i { position: absolute; background: var(--pp-cyan); box-shadow: 0 0 6px var(--pp-cyan); }
.cross i.v { left: 50%; top: 0; width: 1.5px; height: 100%; transform: translateX(-50%); }
.cross i.h { top: 50%; left: 0; height: 1.5px; width: 100%; transform: translateY(-50%); }

/* CAD arch trace + dimensions (Pixelplan overlay) */
.arch-svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.arch-svg .arch {
  fill: none; stroke: var(--pp-cyan-bright); stroke-width: 2px;
  filter: drop-shadow(0 0 6px rgba(22,181,196,0.8));
  stroke-dasharray: 1; stroke-dashoffset: 1;
}
.ov.on .arch-svg .arch { transition: stroke-dashoffset 1.5s var(--ease-out) 0.35s; stroke-dashoffset: 0; }
.arch-svg .dims { opacity: 0; transition: opacity .5s 1.7s; }
.ov.on .arch-svg .dims { opacity: 1; }
.arch-svg .dim, .arch-svg .tick { stroke: var(--pp-mint); stroke-width: 1.2px; }
.arch-svg .dim { stroke-dasharray: 5 4; }
.chip.dimchip { color: var(--pp-mint); border-color: rgba(31,201,160,0.45); opacity: 0; transition: opacity .5s 1.8s; }
.ov.on .chip.dimchip { opacity: 1; }
@media (prefers-reduced-motion: reduce) {
  .arch-svg .arch { stroke-dashoffset: 0; }
  .arch-svg .dims, .chip.dimchip { opacity: 1; transition: none; }
}

@media (max-width: 900px) {
  .show-wrap { height: auto; }
  .show-sticky { position: static; height: auto; padding: 80px 0; }
  .show-grid { grid-template-columns: 1fr; }
  .show-item .dsc { grid-template-rows: 1fr; }
}

/* ---------- gyvas Inspecto demo ---------- */
.demo { padding: 100px 0; }
.demo-head { max-width: 720px; margin: 0 auto 40px; text-align: center; }
.demo h2 { font-family: var(--font-display); font-size: clamp(26px, 4vw, 38px); font-weight: 700; letter-spacing: -0.02em; margin: 0 0 16px; }
.demo-sub { max-width: 620px; margin: 0 auto; color: var(--pp-ink-2); font-size: 17px; line-height: 1.7; text-wrap: pretty; }
.demo-stage { max-width: 1040px; margin: 0 auto; }
.demo-view { aspect-ratio: 16 / 9; }
.demo-view iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; display: block; }
@media (max-width: 640px) {
  .demo { padding: 72px 0; }
  .demo-view { aspect-ratio: 3 / 4; }
}

/* ---------- about ---------- */
.about { padding: 110px 0 110px; }
.about-inner { max-width: 720px; text-align: center; }
.about-tag { display: inline-block; font-family: var(--font-display); font-size: 12px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--pp-cyan); margin-bottom: 16px; }
.about h2 { font-family: var(--font-display); font-size: clamp(26px, 4vw, 38px); font-weight: 700; letter-spacing: -0.02em; margin: 0 0 20px; }
.about p { color: var(--pp-ink-2); font-size: 17px; line-height: 1.7; margin: 0; text-wrap: pretty; }

/* ---------- stats ---------- */
.stats { border-top: 1px solid var(--pp-border); border-bottom: 1px solid var(--pp-border); }
.stats .wrap { display: flex; }
.stat { flex: 1; padding: 70px 24px; text-align: center; }
.stat + .stat { border-left: 1px solid var(--pp-border); }
.stat .v { font-family: var(--font-display); font-weight: 700; font-size: clamp(36px, 4.4vw, 54px); line-height: 1; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; background: var(--pp-gradient); -webkit-background-clip: text; background-clip: text; color: transparent; margin-bottom: 12px; }
.stat .l { font-size: 13.5px; color: var(--pp-ink-3); }
@media (max-width: 760px) {
  .stats .wrap { flex-direction: column; }
  .stat + .stat { border-left: none; border-top: 1px solid var(--pp-border); }
  .stat { padding: 44px 24px; }
}

/* ---------- CTA + contact form ---------- */
.cta { padding: 110px 0 120px; }
.cta-box { position: relative; overflow: hidden; border-radius: var(--radius-2xl); border: 1px solid var(--pp-border); background: var(--pp-surface); padding: 76px 40px; text-align: center; --mx: 50%; --my: 40%; }
.cta-box .gridbg { position: absolute; inset: 0; background-image: var(--grid-image); background-size: 44px 44px; -webkit-mask-image: radial-gradient(260px at var(--mx) var(--my), #000 0%, transparent 100%); mask-image: radial-gradient(260px at var(--mx) var(--my), #000 0%, transparent 100%); opacity: 0.9; }
.cta-box .glow { position: absolute; left: var(--mx); top: var(--my); width: 420px; height: 420px; transform: translate(-50%,-50%); background: radial-gradient(circle, rgba(22,181,196,0.13), transparent 65%); pointer-events: none; }
.cta-box h2 { position: relative; font-family: var(--font-display); font-size: clamp(30px, 4vw, 46px); font-weight: 700; letter-spacing: -0.025em; margin: 0 0 14px; }
.cta-box .sub { position: relative; color: var(--pp-ink-2); font-size: 17px; margin: 0 0 34px; }

.contact-form { position: relative; max-width: 540px; margin: 0 auto; text-align: left; display: flex; flex-direction: column; gap: 16px; }
.contact-form[hidden] { display: none; } /* display:flex above would otherwise override the hidden attribute on submit-success */
.contact-row { display: flex; gap: 16px; }
.contact-row .field { flex: 1; min-width: 0; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field-label { font-family: var(--font-display); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--pp-ink-3); }
.pp-input, .pp-textarea { width: 100%; font-family: var(--font-body); font-size: 15px; color: var(--pp-ink); background: var(--pp-card-2); border: 1px solid var(--pp-border); border-radius: var(--radius-sm); padding: 12px 15px; outline: none; transition: border-color var(--dur-fast), box-shadow var(--dur-fast); }
.pp-input::placeholder, .pp-textarea::placeholder { color: var(--pp-ink-4); }
.pp-input:focus, .pp-textarea:focus { border-color: var(--pp-cyan); box-shadow: 0 0 0 3px rgba(22,181,196,0.15); }
.pp-textarea { min-height: 112px; resize: vertical; line-height: 1.5; }
.contact-form > .btn { width: 100%; margin-top: 4px; }
.contact-status { position: relative; max-width: 540px; margin: 18px auto 0; font-weight: 600; font-size: 15px; }
.contact-status.ok { color: var(--pp-mint); }
.contact-status.err { color: var(--pp-red); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
@media (max-width: 760px) {
  .contact-row { flex-direction: column; }
  .cta-box { padding: 56px 22px; }
}

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--pp-border); padding: 30px 0; }
footer .wrap { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; color: var(--pp-ink-3); font-size: 14px; }
.footer-contacts { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.footer-contacts a { color: var(--pp-ink-2); text-decoration: none; transition: color var(--dur-fast); }
.footer-contacts a:hover { color: var(--pp-ink); }

/* ---------- nav: signin hidden on small screens ---------- */
@media (max-width: 760px) { .snav .signin { display: none; } }

/* ---------- reveals ---------- */
@media (prefers-reduced-motion: no-preference) {
  [data-rv] { opacity: 0; transform: translateY(20px); transition: opacity .75s var(--ease-out), transform .75s var(--ease-out); }
  [data-rv].in { opacity: 1; transform: none; }
}