:root {
  --ink: #0B1015;
  --ink-2: #111920;
  --ink-3: #19232C;
  --paper: #F2F1EC;
  --paper-2: #E7E5DE;
  --card: #FAF9F5;
  --line: rgba(11, 16, 21, .12);
  --line-d: rgba(255, 255, 255, .1);
  --muted: #5B646D;
  --muted-d: rgba(236, 240, 243, .62);
  --text-d: #ECF0F3;

  --c-heat: #FF5C4D;
  --c-vent: #4D8DFF;
  --c-water: #22C1C3;
  --c-sewer: #C08F63;
  --c-elec: #F7B825;
  --c-lowc: #A284FF;
  --c-fire: #FF8A1F;
  --c-ok: #7CFFB2;

  --ease: cubic-bezier(.2, .7, .1, 1);
  --ease-io: cubic-bezier(.65, 0, .25, 1);
  --wrap: 1280px;
  --gut: clamp(20px, 4vw, 48px);
  --sans: 'Geist', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'Geist Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 16px/1.6 var(--sans); -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility; overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
::selection { background: var(--c-vent); color: #fff; }
:focus-visible { outline: 2px solid var(--c-vent); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding-inline: var(--gut); }
.mono { font-family: var(--mono); }
.dark { background: var(--ink); color: var(--text-d); }

/* ── Tipografija ── */
.kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font: 500 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted);
}
.kicker::before { content: ''; width: 18px; height: 1px; background: currentColor; opacity: .6; }
.dark .kicker { color: var(--muted-d); }
.h2 {
  font-weight: 500; font-size: clamp(34px, 4vw, 56px); line-height: 1.04; letter-spacing: -.035em;
  margin-top: 22px; text-wrap: balance;
}
.h2 em { font-style: normal; color: var(--muted); }
.dark .h2 em { color: rgba(236, 240, 243, .45); }
.sub { max-width: 560px; margin-top: 22px; font-size: 18px; line-height: 1.6; color: var(--muted); }
.dark .sub { color: var(--muted-d); }

/* ── Mygtukai ── */
.btn {
  position: relative; display: inline-flex; align-items: center; gap: 12px;
  height: 52px; padding: 0 22px; border-radius: 999px; font-weight: 500; font-size: 15px;
  border: 1px solid transparent; cursor: pointer; overflow: hidden; isolation: isolate;
  transition: transform .5s var(--ease), background-color .3s, color .3s, border-color .3s;
}
.btn .arr { display: inline-block; transition: transform .45s var(--ease); }
.btn:hover .arr { transform: translateX(4px); }
.btn:active { transform: scale(.98); }
.btn-light { background: var(--text-d); color: var(--ink); }
.btn-light:hover { background: #fff; }
.btn-dark { background: var(--ink); color: var(--text-d); }
.btn-dark:hover { background: #000; }
.btn-ghost { border-color: rgba(255, 255, 255, .22); color: var(--text-d); }
.btn-ghost:hover { border-color: rgba(255, 255, 255, .6); }

/* ── Navigacija ── */
.nav {
  position: fixed; inset: 0 0 auto; z-index: 50; color: var(--text-d);
  transition: background-color .4s, backdrop-filter .4s, border-color .4s;
  border-bottom: 1px solid transparent;
}
.nav.solid { background: rgba(11, 16, 21, .92); backdrop-filter: blur(14px) saturate(140%); -webkit-backdrop-filter: blur(14px) saturate(140%); border-color: var(--line-d); }
.nav-in { display: flex; align-items: center; height: 76px; gap: 32px; transition: height .4s var(--ease); }
.nav.solid .nav-in { height: 64px; }
.logo { display: inline-flex; align-items: center; color: #fff; transition: opacity .3s; }
.logo:hover { opacity: .8; }
.logo .wordmark { height: 24px; width: auto; }
.foot .logo .wordmark { height: 30px; }
.nav-links { display: flex; gap: 30px; margin-left: auto; font-size: 14.5px; }
.nav-links a { position: relative; color: var(--muted-d); transition: color .25s; }
.nav-links a:hover, .nav-links a.on { color: var(--text-d); }
.nav-links a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -6px; height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: right; transition: transform .45s var(--ease);
}
.nav-links a:hover::after, .nav-links a.on::after { transform: scaleX(1); transform-origin: left; }
.nav-tel { font: 500 13.5px var(--mono); color: var(--muted-d); transition: color .25s; }
.nav-tel:hover { color: var(--text-d); }
.nav .btn { height: 40px; padding: 0 16px; font-size: 14px; }
.burger { display: none; margin-left: auto; width: 44px; height: 44px; border: 0; background: none; cursor: pointer; position: relative; }
.burger span { position: absolute; left: 12px; right: 12px; height: 1.5px; background: currentColor; transition: transform .4s var(--ease), top .4s var(--ease); }
.burger span:first-child { top: 18px; }
.burger span:last-child { top: 25px; }
.nav.open .burger span:first-child { top: 21.5px; transform: rotate(45deg); }
.nav.open .burger span:last-child { top: 21.5px; transform: rotate(-45deg); }

/* ── Hero ── */
.hero { position: relative; min-height: 100svh; display: flex; flex-direction: column; overflow: hidden; }
.hero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 70% at 65% 45%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 65% 45%, #000 20%, transparent 75%);
}
.hero::after {
  content: ''; position: absolute; width: 900px; height: 900px; right: -200px; top: -120px; pointer-events: none;
  background: radial-gradient(circle, rgba(77,141,255,.10), transparent 60%);
}
.hero-in {
  position: relative; z-index: 1; flex: 1; width: 100%;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; align-items: center;
  padding-top: 120px; padding-bottom: 40px;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 12px; padding: 7px 14px 7px 10px;
  border: 1px solid var(--line-d); border-radius: 999px;
  font: 500 12px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted-d);
}
.pulse { position: relative; width: 8px; height: 8px; border-radius: 50%; background: var(--c-ok); }
.pulse::after { content: ''; position: absolute; inset: 0; border-radius: 50%; background: var(--c-ok); animation: ping 2.2s var(--ease) infinite; }
@keyframes ping { 0% { transform: scale(1); opacity: .7; } 100% { transform: scale(3.2); opacity: 0; } }

.hero h1 {
  margin-top: 28px; font-weight: 500; font-size: clamp(40px, 4.1vw, 60px); line-height: 1; letter-spacing: -.045em;
}
.ln { display: block; overflow: hidden; padding-bottom: .08em; margin-bottom: -.08em; }
.ln > span { display: block; transform: translateY(105%); transition: transform 1.2s var(--ease); }
.ln:nth-child(2) > span { transition-delay: .09s; color: rgba(236,240,243,.5); }
.ready .ln > span { transform: none; }
.hero .lead { margin-top: 28px; max-width: 470px; font-size: 18px; line-height: 1.6; color: var(--muted-d); }
.hero .cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 10px 28px; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line-d); }
.hero-facts li { font: 400 12.5px/1.4 var(--mono); color: var(--muted-d); letter-spacing: .02em; }
.hero-facts b { display: block; font: 500 15px/1.3 var(--sans); color: var(--text-d); letter-spacing: -.01em; margin-bottom: 2px; }

.fade-up { opacity: 0; transform: translateY(18px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.ready .fade-up { opacity: 1; transform: none; }
.ready .d1 { transition-delay: .25s; } .ready .d2 { transition-delay: .38s; } .ready .d3 { transition-delay: .5s; } .ready .d4 { transition-delay: .62s; }

.hero-model { position: relative; margin-right: calc(var(--gut) * -1); margin-left: -24px; }
.hero-model .model { transform: translate3d(var(--mx, 0), var(--my, 0), 0); transition: transform 1.2s var(--ease); }
.legend { display: flex; flex-wrap: wrap; gap: 6px 12px; justify-content: flex-end; margin-top: 8px; }
.legend li {
  display: inline-flex; align-items: center; gap: 6px; font: 400 11px/1 var(--mono); color: var(--muted-d);
  opacity: 0; transform: translateY(6px); transition: opacity .6s var(--ease), transform .6s var(--ease);
}
.legend li i { width: 8px; height: 8px; border-radius: 2px; background: var(--c); }
.ready .legend li { opacity: 1; transform: none; }

.hero-rail { position: relative; z-index: 1; border-top: 1px solid var(--line-d); }
.rail-in { display: flex; align-items: center; height: 64px; }
.rail-label { flex: none; padding-right: 24px; margin-right: 0; font: 500 11.5px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted-d); border-right: 1px solid var(--line-d); height: 100%; display: flex; align-items: center; }
.marquee { position: relative; flex: 1; overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; width: max-content; animation: slide 48s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span { display: inline-flex; align-items: center; gap: 28px; padding-left: 28px; white-space: nowrap; font-size: 15px; color: rgba(236,240,243,.78); }
.marquee-track span::after { content: ''; width: 5px; height: 5px; background: rgba(255,255,255,.3); transform: rotate(45deg); }
@keyframes slide { to { transform: translateX(-50%); } }

/* ── Modelis (SVG) ── */
.model-svg { width: 100%; height: auto; overflow: visible; }
.model-svg polyline, .model-svg polygon { fill: none; stroke-linecap: round; stroke-linejoin: round; }
.model-svg text { font-family: var(--mono); }
.ly { transition: opacity .6s var(--ease); }
.ly-site .grid { stroke: rgba(255,255,255,.045); stroke-width: 1; }
.ly-site .plot { stroke: rgba(255,255,255,.2); stroke-width: 1; stroke-dasharray: 6 6; }
.ly-st .wall { fill: rgba(255,255,255,.022); stroke: rgba(255,255,255,.12); stroke-width: 1; }
.ly-st .slab { fill: rgba(255,255,255,.028); stroke: rgba(255,255,255,.3); stroke-width: 1.1; }
.ly-st .edge, .ly-st .col { stroke: rgba(255,255,255,.2); stroke-width: 1; }
.ly-st .win { stroke: rgba(255,255,255,.1); stroke-width: 1; }

.ly-heat { --c: var(--c-heat); } .ly-vent { --c: var(--c-vent); } .ly-water { --c: var(--c-water); }
.ly-sewer { --c: var(--c-sewer); } .ly-elec { --c: var(--c-elec); } .ly-lowc { --c: var(--c-lowc); }
.ly-fire { --c: var(--c-fire); } .ly-xheat { --c: var(--c-heat); }
.c-heat { --c: var(--c-heat); } .c-vent { --c: var(--c-vent); } .c-water { --c: var(--c-water); }
.c-sewer { --c: var(--c-sewer); } .c-elec { --c: var(--c-elec); } .c-lowc { --c: var(--c-lowc); }

.model-svg .ly:not(.ly-site):not(.ly-st):not(.ly-bim) .b { stroke: var(--c); stroke-width: var(--sw, 1.5); }
.model-svg .eq { fill: var(--c); fill-opacity: .1; }
.model-svg .ft { fill-opacity: .16; }
.model-svg .b.duct { stroke-width: 4.5; stroke-opacity: .5; stroke-linecap: square; }
.model-svg .b.tray { stroke-width: 2.6; stroke-opacity: .75; }
.model-svg .dot, .model-svg .node { fill: var(--c); }
.model-svg .ring { fill: none; stroke: var(--c); stroke-width: 1.4; }
.model-svg .flow { stroke: #fff; stroke-opacity: .9; stroke-width: 1.1; stroke-dasharray: 1.2 12; opacity: 0; }
.model-svg .flow.duct { stroke-width: 1.4; stroke-dasharray: 2 14; }
.model-svg .lbl { font-size: 10.5px; fill: var(--c); opacity: 0; transition: opacity .5s var(--ease); paint-order: stroke; stroke: var(--ink); stroke-width: 4px; stroke-linejoin: round; }

.ly-bim .tick { stroke: rgba(255,255,255,.28); stroke-width: 1; }
.ly-bim .lvl { font-size: 10px; fill: rgba(255,255,255,.45); }
.ly-bim .bub { fill: var(--ink); stroke: rgba(255,255,255,.3); stroke-width: 1; }
.ly-bim .bubt { font-size: 9px; fill: rgba(255,255,255,.6); }
.ly-bim .corner { stroke: rgba(255,255,255,.55); stroke-width: 1.4; }
.ly-bim .clash { fill: none; stroke: var(--c-ok); stroke-width: 1.2; transform-box: fill-box; transform-origin: center; animation: clash 2.4s var(--ease) infinite; }
.ly-bim .clash-c { fill: var(--c-ok); }
.ly-bim .clash-t { fill: var(--c-ok); font-size: 10px; }
@keyframes clash { 0% { transform: scale(.6); opacity: 1; } 100% { transform: scale(2.2); opacity: 0; } }

/* Piešimo animacija */
.model-svg .b { stroke-dasharray: var(--l) var(--l); stroke-dashoffset: var(--l); }
.drawn .model-svg .b { animation: draw 1.5s var(--ease-io) forwards; animation-delay: calc(var(--d, 0s) + var(--i, 0) * 14ms); }
.drawn .model-svg .dot, .drawn .model-svg .node, .drawn .model-svg .ring, .drawn .model-svg .bub, .drawn .model-svg .bubt, .drawn .model-svg .lvl { animation: pop .6s var(--ease) both; animation-delay: calc(var(--d, 0s) + .7s); }
.model-svg .dot, .model-svg .node, .model-svg .ring, .model-svg .bub, .model-svg .bubt, .model-svg .lvl { opacity: 0; }
.drawn .model-svg .flow { animation: flow 1.6s linear infinite, fade .8s var(--ease) forwards; animation-delay: 0s, calc(var(--d, 0s) + 1.2s); }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes pop { from { opacity: 0; } to { opacity: 1; } }
@keyframes fade { to { opacity: 1; } }
@keyframes flow { to { stroke-dashoffset: -26; } }
.ly-site { --d: 0s; } .ly-st { --d: .15s; } .ly-heat { --d: .75s; } .ly-vent { --d: .95s; } .ly-water { --d: 1.15s; }
.ly-sewer { --d: 1.25s; } .ly-elec { --d: 1.4s; } .ly-lowc { --d: 1.55s; } .ly-fire { --d: 1.7s; }
.ly-xwater { --d: 1.9s; } .ly-xelec { --d: 2s; } .ly-xheat { --d: 2.1s; } .ly-bim { --d: 2.3s; }
.hero .ly-bim { opacity: .75; }

.ly-xwater { --c: var(--c-water); } .ly-xelec { --c: var(--c-elec); }

/* Tekėjimo pauzė, kai modelis nesimato */
.paused .flow, .paused .clash { animation-play-state: paused !important; }
.pd .b.thin { stroke-width: 1; }
.pd .b.duct { stroke-width: 6; stroke-opacity: .5; stroke-linecap: square; }

/* ── Scroll reveal ── */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--ease), transform 1s var(--ease); transition-delay: calc(var(--s, 0) * 90ms); }
.reveal.in { opacity: 1; transform: none; }

section { position: relative; }
.sec { padding-block: clamp(96px, 12vw, 160px); }
.sec-head { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 40px; align-items: end; }
.sec-head .sub { margin-top: 0; justify-self: end; }

/* ── Projektai ── */
.group-label {
  display: flex; align-items: center; gap: 12px; margin: 72px 0 20px;
  font: 500 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted);
}
.group-label::after { content: ''; flex: 1; height: 1px; background: var(--line); }
.live { position: relative; width: 7px; height: 7px; border-radius: 50%; background: #16A36A; }
.live::after { content: ''; position: absolute; inset: 0; border-radius: 50%; background: #16A36A; animation: ping 2.2s var(--ease) infinite; }
.pgrid { display: grid; gap: 16px; }
.pgrid-now { grid-template-columns: 1fr 1fr; }
.pgrid-now .pmedia { aspect-ratio: 16 / 10; }
.pgrid-done { grid-template-columns: repeat(4, 1fr); }

.pcard {
  position: relative; display: flex; flex-direction: column; background: var(--card);
  border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
  transition: transform .7s var(--ease), box-shadow .7s var(--ease), border-color .4s;
}
.pcard:hover { transform: translateY(-6px); box-shadow: 0 30px 60px -30px rgba(11,16,21,.28); border-color: rgba(11,16,21,.22); }
.pmedia {
  position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--paper);
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 24px 24px; background-position: -1px -1px;
  border-bottom: 1px solid var(--line);
}
.pmedia img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.pcard:hover .pmedia img { transform: scale(1.05); }
.pmedia .pd { position: absolute; inset: 10% 8%; width: 84%; height: 80%; transition: transform 1.2s var(--ease); }
.pcard:hover .pmedia .pd { transform: scale(1.04) translateY(-4px); }
.pstatus {
  position: absolute; top: 14px; left: 14px; z-index: 2; display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 10px; border-radius: 999px; background: rgba(250,249,245,.9); border: 1px solid var(--line);
  font: 500 11px/1 var(--mono); letter-spacing: .04em; text-transform: uppercase; color: var(--ink);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.pbody { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 10px; }
.pmeta { font: 400 12px/1.3 var(--mono); color: var(--muted); letter-spacing: .02em; }
.pbody h3 { font-weight: 500; font-size: 22px; line-height: 1.15; letter-spacing: -.02em; }
.pgrid-now h3 { font-size: 28px; }
.pbody h3 small { display: block; margin-top: 4px; font-size: 14px; font-weight: 400; color: var(--muted); letter-spacing: 0; }
.pbody p { font-size: 14.5px; line-height: 1.55; color: var(--muted); }
.pfacts { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.pfacts li {
  display: inline-flex; align-items: center; gap: 7px; padding: 6px 10px; border-radius: 6px;
  background: var(--paper); border: 1px solid var(--line); font: 400 12px/1 var(--mono); color: var(--ink);
}
.pfacts li i { width: 7px; height: 7px; border-radius: 2px; background: var(--c); }
.also { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 40px; }
.also > span { font: 500 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-right: 8px; }
.also ul { display: flex; flex-wrap: wrap; gap: 10px; }
.also li { padding: 10px 16px; border: 1px solid var(--line); border-radius: 999px; font-size: 14.5px; transition: background-color .3s, color .3s; }
.also li:hover { background: var(--ink); color: var(--paper); }

/* Kortelių brėžiniai */
.pd polyline, .pd polygon { fill: none; stroke-linecap: round; stroke-linejoin: round; }
.pd .grid { stroke: rgba(11,16,21,.07); stroke-width: .8; }
.pd .m { stroke: var(--ink); stroke-width: 1; stroke-opacity: .85; }
.pd .ft { fill: #FDFCFA; } .pd .fl { fill: #E4E1D9; } .pd .fr { fill: #D2CEC4; }
.pd .podium.ft { fill: #F4F2EC; }
.pd .roofeq.ft { fill: #EDEAE3; }
.pd .truck.ft { fill: #F7F6F2; }
.pd .fln { stroke: rgba(11,16,21,.3); stroke-width: .7; }
.pd .fin { stroke: rgba(11,16,21,.35); stroke-width: .8; }
.pd .dock { fill: #BEB9AD; stroke: rgba(11,16,21,.4); stroke-width: .6; }
.pd .win { fill: #D8D4CA; stroke: rgba(11,16,21,.5); stroke-width: .7; }
.pd .dim { stroke: var(--muted); stroke-width: .8; }
.pd .dimt { font: 500 13px var(--mono); fill: var(--muted); }
.pd .b { stroke: var(--c); stroke-width: 1.8; }
.pd .flow { stroke: #fff; stroke-width: 1; stroke-dasharray: 1 9; animation: flow 1.8s linear infinite; }
.pd .m, .pd .fln, .pd .fin, .pd .b, .pd .win { stroke-dasharray: var(--l) var(--l); stroke-dashoffset: var(--l); }
.pd .ft, .pd .fl, .pd .fr, .pd .dock, .pd .win { fill-opacity: 0; }
.in .pd .m, .in .pd .fln, .in .pd .fin, .in .pd .b, .in .pd .win { animation: draw 1.8s var(--ease-io) forwards; animation-delay: calc(.2s + var(--i, 0) * 8ms); }
.in .pd .ft, .in .pd .fl, .in .pd .fr, .in .pd .dock, .in .pd .win { transition: fill-opacity 1s var(--ease) .9s; fill-opacity: 1; }
.pd { --c-elec: #E0A100; }

/* ── Paslaugos ── */
.adv { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(40px, 6vw, 96px); align-items: center; }
.adv-list { margin-top: 36px; display: grid; gap: 0; border-top: 1px solid var(--line-d); }
.adv-list li { display: flex; gap: 16px; align-items: baseline; padding: 16px 0; border-bottom: 1px solid var(--line-d); font-size: 16.5px; }
.adv-list li span { font: 400 12px var(--mono); color: var(--muted-d); }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.cmp { border: 1px solid var(--line-d); border-radius: 14px; padding: 20px 18px 18px; background: rgba(255,255,255,.02); }
.cmp-good { background: rgba(255,255,255,.045); border-color: rgba(255,255,255,.18); }
.cmp h4 { margin: 0; font: 500 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted-d); }
.cmp-good h4 { color: var(--text-d); }
.cmp svg { width: 100%; height: auto; margin: 14px 0 12px; overflow: visible; }
.cmp p { font-size: 14px; line-height: 1.5; color: var(--muted-d); }
.cmp p b { display: block; font-weight: 500; color: var(--text-d); font-size: 15px; margin-bottom: 2px; }
.cmp svg text { font-family: var(--mono); font-size: 9px; fill: rgba(236,240,243,.7); }
.cmp .ln-a { stroke: rgba(255,255,255,.28); stroke-width: 1; fill: none; }
.cmp .ln-x { stroke: rgba(255,92,77,.6); stroke-width: 1; fill: none; stroke-dasharray: 3 4; }
.cmp .box { fill: var(--ink-2); stroke: rgba(255,255,255,.22); }
.cmp .hub { fill: var(--text-d); }
.cmp .hubt { fill: var(--ink); font-size: 11px; font-weight: 500; font-family: var(--sans); letter-spacing: .06em; }
.cmp .spoke { stroke: var(--c); stroke-width: 1.4; fill: none; }
.cmp .sd { fill: var(--c); }
.cmp .draw { stroke-dasharray: 300; stroke-dashoffset: 300; }
.in .cmp .draw { animation: draw 1.4s var(--ease-io) forwards; animation-delay: calc(.2s + var(--k, 0) * 70ms); }
.cmp .sd, .cmp .box, .cmp .hub, .cmp text { opacity: 0; transition: opacity .6s var(--ease); transition-delay: calc(.5s + var(--k, 0) * 70ms); }
.in .cmp .sd, .in .cmp .box, .in .cmp .hub, .in .cmp text { opacity: 1; }

.svc { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 80px); margin-top: clamp(80px, 10vw, 140px); }
.svc-sticky { position: sticky; top: 88px; align-self: start; }
.viewer { border: 1px solid var(--line-d); border-radius: 16px; background: var(--ink-2); overflow: hidden; }
.viewer-bar { display: flex; align-items: center; gap: 12px; height: 44px; padding: 0 16px; border-bottom: 1px solid var(--line-d); font: 400 12px/1 var(--mono); color: var(--muted-d); }
.viewer-bar .dots { display: flex; gap: 6px; }
.viewer-bar .dots i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,.14); }
.viewer-bar .file { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.viewer-bar .now { margin-left: auto; display: inline-flex; align-items: center; gap: 8px; color: var(--text-d); white-space: nowrap; }
.viewer-bar .now i { width: 8px; height: 8px; border-radius: 2px; background: var(--c, #fff); transition: background-color .4s; }
.viewer-stage { position: relative; padding: 18px 22px 8px; overflow: hidden; --sw: 2.1; }
.viewer-stage .model-svg { transform: scale(1.16); transform-origin: 50% 46%; }
.viewer-stage .model-svg { max-height: min(62vh, 560px); margin: 0 auto; }
.viewer-foot { display: flex; justify-content: space-between; gap: 12px; padding: 12px 16px; border-top: 1px solid var(--line-d); font: 400 11.5px/1.3 var(--mono); color: var(--muted-d); }
.viewer-foot .prog { flex: 1; max-width: 180px; height: 2px; align-self: center; background: rgba(255,255,255,.1); border-radius: 2px; overflow: hidden; }
.viewer-foot .prog i { display: block; height: 100%; width: calc(var(--p, .1) * 100%); background: var(--text-d); transition: width .6s var(--ease); }

.viewer .ly { opacity: .08; }
.viewer .ly-site, .viewer .ly-st { opacity: 1; }
.viewer[data-on~="heat"] .ly-heat, .viewer[data-on~="vent"] .ly-vent, .viewer[data-on~="water"] .ly-water,
.viewer[data-on~="sewer"] .ly-sewer, .viewer[data-on~="elec"] .ly-elec, .viewer[data-on~="lowc"] .ly-lowc,
.viewer[data-on~="fire"] .ly-fire, .viewer[data-on~="xwater"] .ly-xwater, .viewer[data-on~="xelec"] .ly-xelec,
.viewer[data-on~="xheat"] .ly-xheat, .viewer[data-on~="bim"] .ly-bim { opacity: 1; }
.viewer[data-on~="heat"] .ly-heat .lbl, .viewer[data-on~="vent"] .ly-vent .lbl, .viewer[data-on~="elec"] .ly-elec .lbl,
.viewer[data-on~="lowc"] .ly-lowc .lbl, .viewer[data-on~="fire"] .ly-fire .lbl, .viewer[data-on~="xwater"] .ly-xwater .lbl,
.viewer[data-on~="xelec"] .ly-xelec .lbl, .viewer[data-on~="xheat"] .ly-xheat .lbl { opacity: 1; }
.viewer[data-on~="xwater"] .ly-site .plot, .viewer[data-on~="xelec"] .ly-site .plot, .viewer[data-on~="xheat"] .ly-site .plot { stroke: rgba(255,255,255,.45); }

.svc-list { counter-reset: none; }
.svc-item {
  position: relative; display: grid; grid-template-columns: 52px 1fr; gap: 8px; padding: 34px 0 34px;
  border-top: 1px solid var(--line-d); cursor: default; opacity: .38; transition: opacity .5s var(--ease);
}
.svc-item:last-child { border-bottom: 1px solid var(--line-d); }
.svc-item.on, .svc-item:hover { opacity: 1; }
.svc-item::before {
  content: ''; position: absolute; left: 0; top: -1px; height: 1px; width: 100%; background: var(--c);
  transform: scaleX(0); transform-origin: left; transition: transform .9s var(--ease);
}
.svc-item.on::before { transform: scaleX(1); }
.svc-no { font: 500 13px/1.9 var(--mono); color: var(--muted-d); }
.svc-item h3 { display: flex; align-items: center; gap: 12px; font-weight: 500; font-size: clamp(22px, 2.2vw, 28px); line-height: 1.2; letter-spacing: -.02em; }
.svc-item h3 i { flex: none; width: 10px; height: 10px; border-radius: 3px; background: var(--c); box-shadow: 0 0 0 0 var(--c); transition: box-shadow .6s var(--ease); }
.svc-item.on h3 i { box-shadow: 0 0 18px 2px var(--c); }
.svc-item p { margin-top: 10px; font-size: 15.5px; line-height: 1.6; color: var(--muted-d); max-width: 480px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 16px; }
.tags li { padding: 5px 10px; border-radius: 6px; border: 1px solid var(--line-d); font: 400 12px/1.2 var(--mono); color: rgba(236,240,243,.78); }
.svc-group { grid-column: 1 / -1; margin: 36px 0 0; padding-bottom: 12px; font: 500 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted-d); }

/* ── 2D / 3D / BIM ── */
.modes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 64px; }
.mode { border: 1px solid var(--line); border-radius: 14px; background: var(--card); overflow: hidden; transition: transform .7s var(--ease), box-shadow .7s var(--ease); }
.mode:hover { transform: translateY(-6px); box-shadow: 0 30px 60px -30px rgba(11,16,21,.25); }
.mode-fig {
  position: relative; aspect-ratio: 16 / 11; border-bottom: 1px solid var(--line); background: var(--paper);
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 20px 20px; background-position: -1px -1px; display: grid; place-items: center;
}
.mode-fig .pd { position: absolute; inset: 12%; width: 76%; height: 76%; }
.mode-fig .tag { position: absolute; top: 14px; left: 14px; font: 500 12px/1 var(--mono); padding: 6px 9px; border-radius: 6px; background: var(--ink); color: var(--paper); }
.mode-body { padding: 22px 22px 26px; }
.mode-body h3 { font-weight: 500; font-size: 21px; letter-spacing: -.02em; }
.mode-body p { margin-top: 8px; font-size: 14.5px; line-height: 1.55; color: var(--muted); }
.pd .plan { stroke: var(--ink); stroke-width: 1; }
.pd .plan-t { stroke: rgba(11,16,21,.35); stroke-width: .7; }
.pd .ann { font: 500 9px var(--mono); fill: var(--ink); }
.pd .lead-l { stroke: var(--ink); stroke-width: .7; }
.pd .tagbox { fill: var(--ink); }
.pd .tagt { font: 500 8.5px var(--mono); fill: var(--paper); }
.pd .ok { fill: none; stroke: #16A36A; stroke-width: 1.2; }
.pd .okt { font: 500 8.5px var(--mono); fill: #16A36A; }
.pd .ann, .pd .tagbox, .pd .tagt, .pd .ok, .pd .okt { opacity: 0; transition: opacity .7s var(--ease) 1.3s; }
.in .pd .ann, .in .pd .tagbox, .in .pd .tagt, .in .pd .ok, .in .pd .okt { opacity: 1; }
.in .pd .plan, .in .pd .plan-t { animation: draw 1.8s var(--ease-io) forwards; animation-delay: calc(.2s + var(--i, 0) * 20ms); }
.pd .plan, .pd .plan-t { stroke-dasharray: var(--l) var(--l); stroke-dashoffset: var(--l); }

.checks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 32px; margin-top: 56px; border-top: 1px solid var(--line); }
.checks li { display: flex; gap: 14px; padding: 22px 0; font-size: 15.5px; line-height: 1.5; }
.checks li svg { flex: none; width: 20px; height: 20px; margin-top: 1px; }

/* ── Eiga ── */
.steps { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 72px; }
.steps::before { content: ''; position: absolute; left: 0; right: 0; top: 20px; height: 1px; background: var(--line); }
.steps::after {
  content: ''; position: absolute; left: 0; right: 0; top: 20px; height: 1px; background: var(--ink);
  transform: scaleX(0); transform-origin: left; transition: transform 2.2s var(--ease-io) .2s;
}
.steps.in::after { transform: scaleX(1); }
.step { position: relative; padding-top: 0; }
.step-no {
  position: relative; z-index: 1; display: grid; place-items: center; width: 41px; height: 41px; border-radius: 50%;
  background: var(--paper); border: 1px solid var(--ink); font: 500 13px/1 var(--mono);
  transition: background-color .5s var(--ease), color .5s var(--ease);
  transition-delay: calc(var(--s, 0) * 450ms + .3s);
}
.steps.in .step-no { background: var(--ink); color: var(--paper); }
.step h3 { margin-top: 26px; font-weight: 500; font-size: 20px; letter-spacing: -.02em; }
.step p { margin-top: 8px; font-size: 14.5px; line-height: 1.55; color: var(--muted); max-width: 280px; }

.types { overflow: hidden; border-block: 1px solid var(--line); padding-block: 26px; }
.types .marquee-track { animation-duration: 60s; }
.types .marquee-track span { font-size: clamp(30px, 4vw, 54px); font-weight: 400; letter-spacing: -.03em; color: var(--ink); gap: 40px; padding-left: 40px; }
.types .marquee-track span:nth-child(even) { color: transparent; -webkit-text-stroke: 1px rgba(11,16,21,.5); }
.types .marquee-track span::after { width: 10px; height: 10px; background: var(--ink); }

/* ── Kontaktai ── */
.contact { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(40px, 6vw, 96px); }
.person { margin-top: 44px; border-top: 1px solid var(--line-d); }
.person a, .person div { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line-d); transition: padding .5s var(--ease); }
.person a:hover { padding-left: 8px; }
.person span { font: 400 12px var(--mono); color: var(--muted-d); letter-spacing: .04em; text-transform: uppercase; flex: none; }
.person b { font-weight: 500; font-size: 18px; text-align: right; }
.form { background: var(--ink-2); border: 1px solid var(--line-d); border-radius: 18px; padding: clamp(22px, 3vw, 36px); }
.frow { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; }
.field > label, .field .lab { font: 500 11.5px/1 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted-d); }
.field input, .field select, .field textarea {
  width: 100%; background: var(--ink); border: 1px solid var(--line-d); border-radius: 10px;
  padding: 14px 14px; font-size: 15.5px; color: var(--text-d); outline: none; appearance: none; -webkit-appearance: none;
  transition: border-color .3s, box-shadow .3s;
}
.field select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23ECF0F3' fill='none' stroke-opacity='.6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: rgba(255,255,255,.45); box-shadow: 0 0 0 4px rgba(255,255,255,.06); }
.field .err { border-color: var(--c-heat) !important; }
.chips { display: flex; flex-wrap: wrap; gap: 7px; }
.chip { position: relative; }
.chip input { position: absolute; left: 0; top: 0; opacity: 0; pointer-events: none; }
.chip span {
  display: inline-flex; align-items: center; gap: 8px; padding: 9px 12px; border-radius: 999px; cursor: pointer; user-select: none;
  border: 1px solid var(--line-d); font-size: 13.5px; color: var(--muted-d); transition: all .3s var(--ease);
}
.chip span::before { content: ''; width: 7px; height: 7px; border-radius: 2px; background: var(--c); opacity: .5; transition: opacity .3s, transform .4s var(--ease); }
.chip:hover span { border-color: rgba(255,255,255,.35); color: var(--text-d); }
.chip input:checked + span { background: var(--text-d); color: var(--ink); border-color: var(--text-d); }
.chip input:checked + span::before { opacity: 1; transform: scale(1.25); }
.chip input:focus-visible + span { outline: 2px solid var(--c-vent); outline-offset: 2px; }
.form-foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 10px; flex-wrap: wrap; }
.form-msg { font-size: 13.5px; color: var(--c-heat); min-height: 1.4em; }
.form-msg.ok { color: var(--c-ok); }
.btn.sent { background: var(--c-ok); color: var(--ink); }
.btn[disabled] { cursor: default; }
.btn.busy { opacity: .7; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-note { margin: 4px 0 6px; font-size: 12.5px; line-height: 1.5; color: var(--muted-d); }
.form-note a { color: var(--text-d); text-decoration: underline; text-underline-offset: 2px; }
.foot-bot a { color: var(--muted-d); transition: color .25s; }
.foot-bot a:hover { color: #fff; }

/* ── Poraštė ── */
.foot { border-top: 1px solid var(--line-d); padding-block: 56px 36px; }
.stripe { display: flex; height: 3px; }
.stripe i { flex: 1; background: var(--c); }
.foot-in { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 40px; }
.foot p { color: var(--muted-d); font-size: 14.5px; margin-top: 14px; max-width: 320px; }
.foot h4 { margin: 0 0 14px; font: 500 11.5px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted-d); }
.foot li { margin-bottom: 8px; font-size: 14.5px; color: rgba(236,240,243,.82); }
.foot li a { color: rgba(236,240,243,.82); transition: color .25s; }
.foot li a:hover { color: #fff; }
.foot-bot { display: flex; justify-content: space-between; gap: 16px; margin-top: 56px; padding-top: 22px; border-top: 1px solid var(--line-d); font: 400 12px var(--mono); color: var(--muted-d); flex-wrap: wrap; }

/* ── Responsive ── */
@media (max-width: 1100px) {
  .nav-tel { display: none; }
  .pgrid-done { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 960px) {
  .nav-links, .nav .btn { display: none; }
  .burger { display: block; }
  .nav.open { background: var(--ink); }
  .nav.open .nav-links {
    display: flex; flex-direction: column; gap: 0; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--ink); padding: 8px var(--gut) 24px; border-bottom: 1px solid var(--line-d);
  }
  .nav.open .nav-links a { padding: 14px 0; font-size: 20px; color: var(--text-d); border-bottom: 1px solid var(--line-d); }
  .nav.open .nav-links a::after { display: none; }
  .hero-in { grid-template-columns: minmax(0, 1fr); padding-top: 112px; gap: 16px; }
  .hero-model { margin: 0 -8px; }
  .legend { justify-content: flex-start; }
  .sec-head, .adv, .contact { grid-template-columns: 1fr; }
  .sec-head .sub { justify-self: start; }
  .svc { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .svc-sticky { top: 64px; z-index: 5; margin: 0 calc(var(--gut) * -1); padding: 10px var(--gut); background: linear-gradient(var(--ink) 85%, transparent); }
  .viewer-stage { padding: 8px 12px 0; }
  .viewer-stage .model-svg { max-height: 30vh; }
  .viewer-foot { display: none; }
  .modes, .checks { grid-template-columns: 1fr; }
  .modes { max-width: 560px; }
  .steps { grid-template-columns: 1fr 1fr; row-gap: 48px; }
  .steps::before, .steps::after { display: none; }
  .foot-in { grid-template-columns: 1fr 1fr; }
  .foot-in > :first-child { grid-column: 1 / -1; }
}
@media (max-width: 620px) {
  .pgrid-now, .pgrid-done { grid-template-columns: 1fr; }
  .pgrid-now h3 { font-size: 24px; }
  .compare { grid-template-columns: 1fr; }
  .frow { grid-template-columns: 1fr; gap: 0; }
  .steps { grid-template-columns: 1fr; row-gap: 36px; }
  .rail-label { display: none; }
  .hero-facts { gap: 14px 22px; margin-top: 36px; }
  .svc-item { grid-template-columns: 36px 1fr; padding: 28px 0; }
  .person b { font-size: 16px; }
  .foot-in { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; transition-delay: 0s !important; }
  .model-svg .flow, .pd .flow { display: none; }
  .marquee-track { animation: none !important; }
}

:root { --c-proc: #C9D1D8; }
.sub-hero { position: relative; padding-top: 148px; padding-bottom: 64px; overflow: hidden; }
.sub-hero::before { content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 48px 48px; mask-image: radial-gradient(ellipse 70% 90% at 70% 0%, #000 10%, transparent 70%); -webkit-mask-image: radial-gradient(ellipse 70% 90% at 70% 0%, #000 10%, transparent 70%); }
.sub-hero .wrap { position: relative; }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; font: 400 12.5px/1.4 var(--mono); color: var(--muted-d); }
.crumbs a { color: var(--muted-d); transition: color .25s; } .crumbs a:hover { color: #fff; }
.crumbs span[aria-hidden] { opacity: .5; }
.sub-hero h1 { margin-top: 22px; max-width: 900px; font-weight: 500; font-size: clamp(34px, 4.4vw, 58px); line-height: 1.04; letter-spacing: -.035em; text-wrap: balance; }
.sub-hero .lead { margin-top: 20px; max-width: 660px; font-size: 18px; line-height: 1.6; color: var(--muted-d); }
.chip-k { display: inline-flex; align-items: center; gap: 8px; margin-top: 26px; padding: 6px 12px; border: 1px solid var(--line-d); border-radius: 999px; font: 500 12px/1 var(--mono); letter-spacing: .04em; text-transform: uppercase; color: var(--text-d); }
.chip-k i { width: 8px; height: 8px; border-radius: 2px; background: var(--c); }
.art-meta { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 22px; font: 400 13px/1.4 var(--mono); color: var(--muted-d); }

.art { display: grid; grid-template-columns: 230px minmax(0, 740px); gap: clamp(32px, 6vw, 96px); padding-block: 64px 96px; }
.toc { position: sticky; top: 96px; align-self: start; font-size: 14px; }
.toc p { font: 500 11.5px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
.toc ol { border-left: 1px solid var(--line); }
.toc a { display: block; padding: 7px 0 7px 16px; margin-left: -1px; border-left: 1px solid transparent; color: var(--muted); line-height: 1.35; transition: color .25s, border-color .25s; }
.toc a:hover, .toc a.on { color: var(--ink); border-left-color: var(--ink); }
.tldr { border: 1px solid var(--line); border-radius: 14px; background: var(--card); padding: 22px 24px; margin-bottom: 40px; }
.tldr p:first-child { font: 500 11.5px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.tldr p + p { font-size: 18px; line-height: 1.6; }
.prose { font-size: 17.5px; line-height: 1.75; color: #1D252D; }
.prose > * + * { margin-top: 18px; }
.prose h2 { margin-top: 56px; font-weight: 500; font-size: clamp(25px, 2.6vw, 32px); line-height: 1.15; letter-spacing: -.025em; color: var(--ink); scroll-margin-top: 96px; }
.prose h3 { margin-top: 34px; font-weight: 500; font-size: 21px; line-height: 1.25; letter-spacing: -.015em; color: var(--ink); }
.prose a { color: var(--ink); text-decoration: underline; text-decoration-color: rgba(11,16,21,.3); text-underline-offset: 3px; transition: text-decoration-color .25s; }
.prose a:hover { text-decoration-color: var(--ink); }
.prose strong { font-weight: 600; color: var(--ink); }
.prose ul, .prose ol { padding-left: 0; }
.prose li { position: relative; padding-left: 28px; margin-top: 10px; }
.prose ul > li::before { content: ''; position: absolute; left: 6px; top: .72em; width: 7px; height: 7px; border-radius: 2px; background: var(--ink); opacity: .75; }
.prose ol { counter-reset: n; }
.prose ol > li { counter-increment: n; }
.prose ol > li::before { content: counter(n); position: absolute; left: 0; top: .2em; display: grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; background: var(--ink); color: var(--paper); font: 500 11px/1 var(--mono); }
.tbl { overflow-x: auto; margin-top: 26px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); }
.prose table { width: 100%; border-collapse: collapse; font-size: 15px; line-height: 1.5; }
.prose th { text-align: left; font-weight: 600; background: var(--paper-2); color: var(--ink); }
.prose th, .prose td { padding: 12px 14px; border-bottom: 1px solid var(--line); vertical-align: top; min-width: 140px; }
.prose tr:last-child td { border-bottom: 0; }
.prose .patarimas { position: relative; padding: 20px 22px 20px 24px; border-radius: 12px; background: var(--card); border: 1px solid var(--line); }
.prose .patarimas::before { content: ''; position: absolute; left: -1px; top: 16px; bottom: 16px; width: 3px; border-radius: 3px; background: var(--c, var(--c-vent)); }
.prose .cta { margin-top: 40px; padding: 26px 28px; border-radius: 14px; background: var(--ink); color: var(--muted-d); }
.prose .cta a { color: #fff; text-decoration-color: rgba(255,255,255,.4); }
.prose .cta strong { color: #fff; }
.duk { margin-top: 64px; }
.duk h2 { margin-bottom: 18px; }
.duk details { border-top: 1px solid var(--line); }
.duk details:last-child { border-bottom: 1px solid var(--line); }
.duk summary { list-style: none; display: flex; justify-content: space-between; gap: 18px; padding: 18px 0; cursor: pointer; font-weight: 500; font-size: 17.5px; line-height: 1.4; color: var(--ink); }
.duk summary::-webkit-details-marker { display: none; }
.duk summary::after { content: '+'; flex: none; font: 400 22px/1 var(--mono); transition: transform .4s var(--ease); }
.duk details[open] summary::after { transform: rotate(45deg); }
.duk details p { padding: 0 0 20px; font-size: 16.5px; line-height: 1.7; color: #3A434C; }
.author { display: flex; align-items: center; gap: 14px; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 14.5px; color: var(--muted); }
.author .av { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 10px; background: #2A4767; color: #fff; }
.author .av svg { width: 30px; height: auto; }
.author b { display: block; color: var(--ink); font-weight: 500; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.acard { position: relative; display: flex; flex-direction: column; gap: 12px; padding: 24px 22px 22px; border: 1px solid var(--line); border-radius: 14px; background: var(--card); overflow: hidden; transition: transform .6s var(--ease), box-shadow .6s var(--ease), border-color .3s; }
.acard::before { content: ''; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: var(--c); transform: scaleX(.12); transform-origin: left; transition: transform .7s var(--ease); }
.acard:hover { transform: translateY(-5px); box-shadow: 0 26px 50px -28px rgba(11,16,21,.28); border-color: rgba(11,16,21,.2); }
.acard:hover::before { transform: scaleX(1); }
.acard .k { display: inline-flex; align-items: center; gap: 8px; font: 500 11.5px/1 var(--mono); letter-spacing: .04em; text-transform: uppercase; color: var(--muted); }
.acard .k i { width: 7px; height: 7px; border-radius: 2px; background: var(--c); }
.acard h3 { font-weight: 500; font-size: 20px; line-height: 1.25; letter-spacing: -.015em; }
.acard p { font-size: 14.5px; line-height: 1.55; color: var(--muted); flex: 1; }
.acard .m { font: 400 12px/1 var(--mono); color: var(--muted); }
.dark .acard { background: var(--ink-2); border-color: var(--line-d); }
.dark .acard p, .dark .acard .k, .dark .acard .m { color: var(--muted-d); }
.dark .acard:hover { border-color: rgba(255,255,255,.25); box-shadow: none; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 34px; }
.filters button { display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; border-radius: 999px; border: 1px solid var(--line-d); background: none; color: var(--muted-d); font-size: 14px; cursor: pointer; transition: all .3s var(--ease); }
.filters button i { width: 7px; height: 7px; border-radius: 2px; background: var(--c); }
.filters button:hover { color: #fff; border-color: rgba(255,255,255,.35); }
.filters button.on { background: var(--text-d); color: var(--ink); border-color: var(--text-d); }
.acard[hidden] { display: none; }
.band { padding-block: clamp(72px, 9vw, 120px); }
.band-in { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 28px; }
.band h2 { font-weight: 500; font-size: clamp(30px, 3.6vw, 48px); line-height: 1.05; letter-spacing: -.035em; max-width: 720px; }
.band h2 em { font-style: normal; color: rgba(236,240,243,.45); }
.legal { padding-block: 64px 110px; }
.legal .prose { max-width: 760px; }
.notfound { min-height: 100svh; display: grid; place-items: center; text-align: center; padding-block: 120px; }
.notfound .code { font: 500 13px/1 var(--mono); color: var(--muted-d); letter-spacing: .1em; }
.notfound h1 { margin-top: 18px; font-weight: 500; font-size: clamp(38px, 5vw, 64px); letter-spacing: -.04em; }
.notfound p { margin-top: 14px; color: var(--muted-d); }
.notfound .cta { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 30px; }
@media (max-width: 1000px) { .art { grid-template-columns: minmax(0, 1fr); } .toc { display: none; } .cards { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .cards { grid-template-columns: 1fr; } .prose { font-size: 16.5px; } .sub-hero { padding-top: 120px; padding-bottom: 44px; } }

.sgrid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-top: 56px; }
.scard { position: relative; display: flex; flex-direction: column; gap: 10px; padding: 22px 20px 20px; border: 1px solid var(--line); border-radius: 14px; background: var(--card); overflow: hidden; transition: transform .6s var(--ease), box-shadow .6s var(--ease), border-color .3s; }
.scard::before { content: ''; position: absolute; left: 0; right: 0; top: 0; height: 3px; background: var(--c); transform: scaleX(.12); transform-origin: left; transition: transform .7s var(--ease); }
.scard:hover { transform: translateY(-5px); box-shadow: 0 26px 50px -30px rgba(11,16,21,.3); border-color: rgba(11,16,21,.2); }
.scard:hover::before { transform: scaleX(1); }
.scard .n { font: 500 12px/1 var(--mono); color: var(--muted); }
.scard h3 { display: flex; align-items: center; gap: 9px; font-weight: 500; font-size: 17px; line-height: 1.25; letter-spacing: -.015em; }
.scard h3 i { flex: none; width: 8px; height: 8px; border-radius: 2px; background: var(--c); }
.scard p { font-size: 13.5px; line-height: 1.5; color: var(--muted); }
.two-col { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: clamp(32px, 6vw, 88px); align-items: start; }
.two-col .prose { font-size: 17px; }
.dark .pcard { color: var(--ink); }
.dark .pcard .pmeta, .dark .pcard .pbody p { color: var(--muted); }
@media (max-width: 1100px) { .sgrid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 860px) { .sgrid { grid-template-columns: repeat(2, 1fr); } .two-col { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .sgrid { grid-template-columns: 1fr; } }