/* Layout: technical-drawing sheet — navy title band, paper sections on a faint grid,
   orange only for actions, dimension marks and the "live" line drawings. */
:root {
  --ink: #1B2433;
  --ink-2: #243046;
  --ink-3: #2E3B55;
  --paper: #FFFFFF;
  --sheet: #F3F4F6;
  --line: #DDE1E7;
  --line-2: #C9CFD8;
  --text: #1B2433;
  --muted: #4A5361;
  --accent: #F26A1B;
  --accent-ink: #B8480A;
  --on-ink: #FFFFFF;
  --on-ink-muted: #C3CAD5;
  --grid: rgba(27, 36, 51, 0.055);
  --draw: #1B2433;           /* culoarea liniilor din animații pe fond deschis */
  --iso-edge: rgba(27, 36, 51, 0.32);
  --iso-tile-t: #EEF1F5; --iso-tile-l: #D9DEE6; --iso-tile-r: #C7CED9;

  --f-display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --f-body: "Barlow", "Segoe UI", system-ui, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "Consolas", monospace;

  --step--1: 0.875rem;
  --step-0: 1.0625rem;
  --step-1: 1.25rem;
  --step-2: 1.6rem;
  --step-3: clamp(2rem, 3.6vw, 3rem);
  --step-4: clamp(2.8rem, 6.2vw, 5.4rem);

  --wrap: 1240px;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #0E1420; --ink-2: #172031; --ink-3: #222D42;
    --paper: #161D2A; --sheet: #111723;
    --line: #2A3445; --line-2: #3A465A;
    --text: #E8ECF2; --muted: #A9B3C1;
    --accent: #F47A30; --accent-ink: #FF9A5C;
    --on-ink-muted: #B9C2CF;
    --grid: rgba(255, 255, 255, 0.04);
    --draw: #E8ECF2;
    --iso-edge: rgba(0, 0, 0, 0.45);
    --iso-tile-t: #2A3446; --iso-tile-l: #1E2635; --iso-tile-r: #171E2B;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --ink: #0E1420; --ink-2: #172031; --ink-3: #222D42;
  --paper: #161D2A; --sheet: #111723;
  --line: #2A3445; --line-2: #3A465A;
  --text: #E8ECF2; --muted: #A9B3C1;
  --accent: #F47A30; --accent-ink: #FF9A5C;
  --on-ink-muted: #B9C2CF;
  --grid: rgba(255, 255, 255, 0.04);
  --draw: #E8ECF2;
  --iso-edge: rgba(0, 0, 0, 0.45);
  --iso-tile-t: #2A3446; --iso-tile-l: #1E2635; --iso-tile-r: #171E2B;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0; background: var(--sheet); color: var(--text);
  font-family: var(--f-body); font-size: var(--step-0); line-height: 1.55; overflow-x: hidden;
}
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 60; background: var(--ink); }
img, video { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--f-display); font-weight: 600; line-height: 1.04; margin: 0; text-wrap: balance; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.band { padding-block: clamp(64px, 9vw, 120px); }
.band--paper { background: var(--paper); border-block: 1px solid var(--line); }
.band--ink { background: var(--ink); color: var(--on-ink); --draw: var(--on-ink); }
.band--grid {
  background-color: var(--paper);
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 32px 32px;
}

/* Titluri de secțiune: eticheta e o cotă care se trage când intri în secțiune */
.sec-head { display: grid; gap: 14px; max-width: 780px; margin-bottom: clamp(36px, 5vw, 56px); }
.sec-label { font-family: var(--f-mono); font-size: var(--step--1); letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-ink); display: inline-flex; align-items: center; gap: 10px; }
.sec-label::before { content: ""; width: 36px; height: 2px; background: var(--accent); transform-origin: left; transition: transform .7s cubic-bezier(.2,.7,.2,1); }
.armed .sec-label::before, .sec-head.armed .sec-label::before { transform: scaleX(0); }
.play .sec-label::before, .sec-head.play .sec-label::before { transform: scaleX(1); }
.band--ink .sec-label { color: var(--accent); }
.sec-head h2 { font-size: var(--step-3); }
.sec-head p { font-size: var(--step-1); color: var(--muted); max-width: 62ch; }
.band--ink .sec-head p { color: var(--on-ink-muted); }

/* Butoane */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 26px; border-radius: var(--radius); font: 600 var(--step-0)/1 var(--f-body); text-decoration: none; cursor: pointer; border: 2px solid transparent; transition: transform .15s ease, background .15s ease, color .15s ease; }
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--accent); color: #1B2433; }
.btn--primary:hover { background: #FF7F33; }
.btn--ghost { border-color: currentColor; color: inherit; background: transparent; }
.btn--sm { min-height: 44px; padding: 0 18px; font-size: var(--step--1); }

/* Antet */
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; background: var(--ink); color: var(--on-ink); border-bottom: 1px solid rgba(255,255,255,0.08); }
.site-header .wrap { display: flex; align-items: center; gap: 16px; min-height: 78px; }
.site-header .nav { margin-left: auto; }
.brand { display: flex; align-items: center; text-decoration: none; }
.brand img { height: 58px; width: auto; }
.nav { display: flex; align-items: center; gap: 22px; font-weight: 500; }
.nav a { text-decoration: none; color: var(--on-ink-muted); padding-block: 10px; position: relative; }
.nav a:not(.btn)::after { content: ""; position: absolute; left: 0; right: 0; bottom: 4px; height: 2px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .3s ease; }
.nav a:hover, .nav a[aria-current] { color: var(--on-ink); }
.nav a[aria-current]::after { transform: scaleX(1); }
.nav .btn { color: #1B2433; }
.nav-toggle { display: none; background: none; border: 0; color: var(--on-ink); width: 48px; height: 48px; cursor: pointer; }
.nav-toggle svg { width: 26px; height: 26px; }
.progress { position: absolute; left: 0; bottom: -1px; height: 2px; width: 100%; background: var(--accent); transform-origin: left; transform: scaleX(var(--p, 0)); }
@media (max-width: 1180px) {
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .nav { position: absolute; inset: 100% 0 auto; flex-direction: column; align-items: stretch; gap: 0; background: var(--ink); padding: 8px max(16px, env(safe-area-inset-right, 0px)) 20px max(16px, env(safe-area-inset-left, 0px)); border-bottom: 1px solid rgba(255,255,255,0.08); }
  .nav:not(.is-open) { display: none; }
  .nav a { padding-block: 14px; border-bottom: 1px solid rgba(255,255,255,0.06); }
  .nav a:not(.btn)::after { display: none; }
  .nav .btn { margin-top: 14px; border: 0; }
}

/* Hero */
.hero { background: var(--ink); color: var(--on-ink); position: relative; overflow: hidden; }
.hero::after { content: ""; position: absolute; inset: 0; pointer-events: none; background-image: linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px); background-size: 40px 40px; mask-image: linear-gradient(90deg, #000 0%, transparent 65%); }
.hero .wrap { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); gap: clamp(32px, 5vw, 64px); align-items: center; padding-block: clamp(44px, 6vw, 88px); }
.hero-copy { display: grid; gap: 24px; min-width: 0; }
.kicker { font-family: var(--f-mono); font-size: var(--step--1); letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); }
.hero h1 { font-size: var(--step-4); line-height: 0.97; }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero-lead { font-size: var(--step-1); color: var(--on-ink-muted); max-width: 50ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid rgba(255,255,255,0.14); padding-top: 18px; }
.hero-facts div { display: grid; gap: 2px; padding-right: 12px; }
.hero-facts strong { font-family: var(--f-display); font-size: 1.5rem; font-weight: 600; }
.hero-facts span { font-size: var(--step--1); color: var(--on-ink-muted); }
@media (max-width: 960px) { .hero .wrap { grid-template-columns: 1fr; } }

/* Etape: schiță → desen → 3D → randare */
.stages { min-width: 0; display: grid; gap: 14px; }
.stage-frame { position: relative; aspect-ratio: 4 / 5; max-width: 100%; border-radius: 14px; overflow: hidden; background: #ECEAE3; box-shadow: 0 30px 60px rgba(0,0,0,0.35); }
.stage-frame img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transform: scale(1.03); transition: opacity .7s ease, transform 1.2s ease; }
.stage-frame img.contain { object-fit: contain; }
.stage-frame img.on { opacity: 1; transform: scale(1); }
.stage-frame img[data-bg="paper"] { background: #F2F0EA; }
.stage-frame img[data-bg="cad"] { background: #2E3648; }
.stage-tag { position: absolute; left: 14px; top: 14px; z-index: 2; font-family: var(--f-mono); font-size: 0.78rem; letter-spacing: 0.06em; background: rgba(27,36,51,0.88); color: #FFFFFF; padding: 6px 10px; border-radius: 6px; }
.stage-tabs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; list-style: none; margin: 0; padding: 0; }
.stage-tabs button { width: 100%; text-align: left; font: inherit; color: var(--on-ink-muted); background: rgba(255,255,255,0.06); border: 0; border-radius: 10px; padding: 10px 12px 12px; min-height: 64px; cursor: pointer; position: relative; overflow: hidden; display: grid; gap: 2px; }
.stage-tabs button b { font-family: var(--f-mono); font-weight: 500; font-size: 0.78rem; color: var(--accent); }
.stage-tabs button span { font-size: 0.95rem; font-weight: 600; line-height: 1.15; }
.stage-tabs button[aria-selected="true"] { background: rgba(255,255,255,0.14); color: #FFFFFF; }
.stage-tabs button i { position: absolute; left: 0; bottom: 0; height: 3px; width: 100%; background: var(--accent); transform: scaleX(0); transform-origin: left; }
.stage-tabs button[aria-selected="true"] i { animation: fill var(--dur, 4.5s) linear forwards; }
.stages.paused .stage-tabs button[aria-selected="true"] i { animation: none; transform: scaleX(1); }
@keyframes fill { to { transform: scaleX(1); } }
.stage-caption { font-size: var(--step--1); color: var(--on-ink-muted); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
@media (max-width: 520px) { .stage-tabs button span { font-size: 0.82rem; } .stage-tabs button { padding: 8px; } }

/* Cap-coadă */
.chain { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0; position: relative; }
.chain::before { content: ""; position: absolute; top: 27px; left: 4%; right: 4%; height: 2px; background: repeating-linear-gradient(90deg, var(--line-2) 0 8px, transparent 8px 14px); }
.chain::after { content: ""; position: absolute; top: 27px; left: 4%; height: 2px; width: 92%; background: var(--accent); transform-origin: left; transition: transform 2.2s cubic-bezier(.3,.6,.2,1); }
.chain.armed::after { transform: scaleX(0); }
.chain li { position: relative; display: grid; gap: 10px; align-content: start; padding: 0 16px 0 0; }
.chain .dot { width: 56px; height: 56px; border-radius: 50%; background: var(--paper); border: 2px solid var(--accent); display: grid; place-items: center; font-family: var(--f-mono); font-weight: 500; color: var(--accent-ink); position: relative; z-index: 1; }
.chain h3 { font-size: var(--step-2); }
.chain p { color: var(--muted); }
.chain .tag { font-family: var(--f-mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--accent-ink); }
@media (max-width: 960px) { .chain { grid-template-columns: 1fr; gap: 26px; } .chain::before, .chain::after { left: 27px; right: auto; top: 0; bottom: 0; width: 2px; height: auto; background: repeating-linear-gradient(180deg, var(--line-2) 0 8px, transparent 8px 14px); } .chain::after { background: var(--accent); transform-origin: top; } .chain.armed::after { transform: scaleY(0); } .chain li { grid-template-columns: 56px 1fr; column-gap: 18px; } .chain li > :not(.dot) { grid-column: 2; } .chain .dot { grid-row: 1 / span 3; } }

.versus { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0; margin-top: clamp(40px, 6vw, 64px); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.versus > div { padding: clamp(22px, 3vw, 34px); display: grid; gap: 12px; align-content: start; }
.versus > div:first-child { background: var(--sheet); }
.versus > div:last-child { background: var(--ink); color: var(--on-ink); }
.versus h3 { font-size: var(--step-2); }
.versus ul { margin: 0; padding-left: 20px; display: grid; gap: 8px; }
.versus > div:first-child ul { color: var(--muted); }
.versus > div:last-child li::marker { color: var(--accent); }
@media (max-width: 760px) { .versus { grid-template-columns: 1fr; } }

/* Servicii cu animații */
.services { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.svc { padding: 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); display: grid; gap: 10px; align-content: start; background: var(--paper); position: relative; color: inherit; text-decoration: none; transition: background .25s ease, box-shadow .25s ease; }
.svc:hover { background: var(--sheet); box-shadow: inset 0 -3px 0 var(--accent); }
.svc-more { font-family: var(--f-mono); font-size: 0.8rem; letter-spacing: .05em; text-transform: uppercase; color: var(--accent-ink); display: inline-flex; gap: 6px; align-items: center; }
.svc-more::after { content: "→"; transition: transform .2s ease; }
.svc:hover .svc-more::after { transform: translateX(4px); }
.svc .iso { height: 150px; margin: -4px 0 4px; }
.svc h3 { font-size: var(--step-2); }
.svc p { color: var(--muted); font-size: 1rem; }
.svc .new { position: absolute; top: 16px; right: 16px; font-family: var(--f-mono); font-size: 0.72rem; letter-spacing: .06em; text-transform: uppercase; background: var(--accent); color: #1B2433; padding: 4px 8px; border-radius: 4px; }
@media (max-width: 1060px) { .services { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .services { grid-template-columns: 1fr; } }

/* Cine execută: meseriile partenere */
.trades { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.trade { background: var(--sheet); border: 1px solid var(--line); border-radius: 14px; padding: 18px 22px 22px; display: grid; grid-template-columns: 112px minmax(0, 1fr); grid-template-rows: auto 1fr; column-gap: 16px; row-gap: 6px; align-items: center; transition: border-color .25s ease, transform .25s ease; }
.trade:hover { border-color: var(--accent); transform: translateY(-2px); }
.trade .iso { grid-row: 1 / span 2; height: 104px; }
.trade h3 { font-size: var(--step-2); align-self: end; }
.trade p { color: var(--muted); font-size: 0.98rem; align-self: start; }
.audiences { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 26px; }
.aud { border-radius: 14px; padding: clamp(22px, 3vw, 32px); display: grid; gap: 12px; align-content: start; border: 1px solid var(--line); background: var(--sheet); }
.aud--dark { background: var(--ink); color: var(--on-ink); border-color: var(--ink); }
.aud h3 { font-size: var(--step-2); }
.aud p { color: var(--muted); }
.aud--dark p { color: var(--on-ink-muted); }
.aud .btn { justify-self: start; margin-top: 4px; }
@media (max-width: 760px) { .audiences { grid-template-columns: 1fr; } }
@media (max-width: 1060px) { .trades { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .trades { grid-template-columns: 1fr; } .trade { grid-template-columns: 88px minmax(0, 1fr); } .trade .iso { height: 84px; } }

/* Video de prezentare */
.showreel { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: clamp(28px, 4vw, 56px); align-items: center; }
.showreel .sec-head { margin-bottom: 0; }
@media (max-width: 900px) { .showreel { grid-template-columns: 1fr; } }

/* Pentru curioși: teasere pe prima pagină */
.teasers { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.teaser { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 14px; align-items: center; padding: 14px 18px 14px 10px; border: 1px solid var(--line); border-radius: 14px; background: var(--sheet); text-decoration: none; color: inherit; transition: border-color .25s ease, transform .25s ease; }
.teaser:hover { border-color: var(--accent); transform: translateY(-2px); }
.teaser .iso { height: 84px; }
.teaser b { display: block; font-family: var(--f-display); font-size: 1.3rem; font-weight: 600; line-height: 1.1; }
.teaser small { display: block; margin-top: 4px; color: var(--muted); font-size: 0.92rem; }
@media (max-width: 900px) { .teasers { grid-template-columns: 1fr; } }

/* Pagina Pentru curioși */
.articles { display: grid; gap: 18px; max-width: 1040px; }
.art { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: clamp(20px, 3vw, 40px); align-items: center; padding: clamp(20px, 3vw, 32px); background: var(--paper); border: 1px solid var(--line); border-radius: 14px; scroll-margin-top: 100px; }
.art .iso { height: 190px; }
.art-body { display: grid; gap: 12px; }
.art-n { font-family: var(--f-mono); font-size: 0.8rem; letter-spacing: .06em; text-transform: uppercase; color: var(--accent-ink); }
.art h2 { font-size: var(--step-3); }
.art p { color: var(--muted); font-size: var(--step-1); max-width: 64ch; }
.art p b { color: var(--text); }
.art .art-note { font-size: 0.95rem; border-left: 3px solid var(--accent); padding-left: 12px; }
.art:target { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent); }
@media (max-width: 700px) { .art { grid-template-columns: 1fr; } .art .iso { height: 150px; max-width: 220px; } }

/* Iconițe izometrice (js/iso.js): trei tonuri pe fiecare material — t = sus, l = fața stângă, r = fața dreaptă.
   Animațiile rulează doar cât iconița e pe ecran (clasa .on); fără .on, scena stă în poziția finală. */
.iso { display: block; color: var(--text); }
.iso svg { width: 100%; height: 100%; overflow: visible; }
.iso polygon, .iso path, .iso ellipse { stroke: var(--iso-edge); stroke-width: .6; stroke-linejoin: round; }
.iso .t { fill: var(--t); } .iso .l { fill: var(--l); } .iso .r, .iso .b { fill: var(--r); } .iso .b { filter: brightness(.82); }
.iso .in { fill: #2A2F38; stroke: none; }
.m-tile   { --t: var(--iso-tile-t); --l: var(--iso-tile-l); --r: var(--iso-tile-r); }
.m-metal  { --t: #C7D0DC; --l: #8E9AAD; --r: #6A778B; }
.m-sheet  { --t: #DDE3EB; --l: #A9B4C3; --r: #8693A6; }
.m-dark   { --t: #4C5669; --l: #2F384A; --r: #222A38; }
.m-wood   { --t: #E6B57E; --l: #C68D55; --r: #A26C3B; }
.m-corten { --t: #DC7B42; --l: #B6582C; --r: #8F401F; }
.m-stone  { --t: #D8D6D0; --l: #B5B2AB; --r: #97948D; }
.m-acc    { --t: #FF9455; --l: var(--accent); --r: #C8530F; }
.m-glass  { --t: rgba(196,228,244,.85); --l: rgba(150,205,232,.5); --r: rgba(112,172,212,.62); }
.m-glass polygon { stroke: rgba(255,255,255,.75); }
.m-paint  { --t: #C7D0DC; --l: #8E9AAD; --r: #6A778B; }
.iso .ln { fill: none; }
.iso .cut-l { fill: none; stroke: var(--accent); stroke-width: 1.6; stroke-linecap: round; }
.iso .bm { fill: var(--accent); stroke: none; opacity: .85; }
.iso .sp, .iso .fl { fill: #FFB347; stroke: none; }
.iso .fl2 { fill: var(--accent); stroke: none; }
.iso .gl { fill: rgba(255,255,255,.75); stroke: none; opacity: 0; }
.iso .rail-l { fill: none; stroke: var(--accent); stroke-width: 3; stroke-linecap: round; }
.iso .spr { fill: var(--accent); stroke: none; opacity: .35; }
.iso.on .spr { animation: iso-spray 1.2s ease-in-out infinite; }
@keyframes iso-spray { 0%, 100% { opacity: .2; } 50% { opacity: .5; } }

.iso.on .a-slide { animation: iso-slide 6s cubic-bezier(.45,.05,.3,1) infinite; }
.iso.on .a-drop  { animation: iso-drop 5.5s cubic-bezier(.3,.7,.2,1) infinite both; }
.iso.on .a-step  { animation: iso-drop 5s cubic-bezier(.3,.7,.2,1) infinite both; }
.iso.on .a-stack { animation: iso-drop 5.5s cubic-bezier(.3,.7,.2,1) infinite both; }
.iso.on .a-lower { animation: iso-lower 5s cubic-bezier(.3,.7,.2,1) infinite; }
.iso.on .a-laser { animation: iso-laser 3.2s ease-in-out infinite alternate; }
.iso.on .a-plank { animation: iso-plank 4.5s ease-in-out infinite; }
.iso.on .cut-l   { stroke-dasharray: 180; animation: iso-cut 6.4s linear infinite; }
.iso.on .gl      { animation: iso-glint 4s ease-in-out infinite; }
.iso.on .g2 .gl  { animation-delay: .5s; }
.iso.on .flame > g, .iso.on .weld > g { transform-box: fill-box; transform-origin: 50% 100%; animation: iso-flick 1.4s ease-in-out infinite; }
.iso.on .flame .f2, .iso.on .weld .s2 { animation-delay: -.5s; } .iso.on .flame .f3, .iso.on .weld .s3 { animation-delay: -.9s; }
.iso.on .weld > g { animation-duration: .5s; }
.iso.on .m-paint .t { animation: iso-paint-t 6s ease-in-out infinite; }
.iso.on .m-paint .l { animation: iso-paint-l 6s ease-in-out infinite; }
.iso.on .m-paint .r { animation: iso-paint-r 6s ease-in-out infinite; }
/* deplasări în axele izometrice: +x pe ecran = (0,866; 0,5) */
@keyframes iso-slide { 0%, 18% { transform: none; } 48%, 70% { transform: translate(-22px, -12.7px); } 100% { transform: none; } }
@keyframes iso-drop { 0% { transform: translateY(-22px); opacity: 0; } 14% { transform: none; opacity: 1; } 86% { transform: none; opacity: 1; } 100% { transform: none; opacity: 0; } }
@keyframes iso-lower { 0% { transform: translateY(-16px); } 22% { transform: none; } 82% { transform: none; } 100% { transform: translateY(-16px); } }
@keyframes iso-laser { from { transform: translate(-19px, -11px); } to { transform: translate(19px, 11px); } }
@keyframes iso-plank { 0%, 25% { transform: none; } 50%, 75% { transform: translate(13px, 7.5px); } 100% { transform: none; } }
@keyframes iso-cut { from { stroke-dashoffset: 180; } 70%, to { stroke-dashoffset: 0; } }
@keyframes iso-glint { 0% { opacity: 0; transform: translate(-8px, -4.6px); } 30% { opacity: .9; } 60%, 100% { opacity: 0; transform: translate(26px, 15px); } }
@keyframes iso-flick { 0%, 100% { transform: scale(1, 1); } 40% { transform: scale(.9, 1.18); } 70% { transform: scale(1.06, .88); } }
@keyframes iso-paint-t { 0%, 15% { fill: #C7D0DC; } 40%, 60% { fill: #FF9455; } 85%, 100% { fill: #3E4C66; } }
@keyframes iso-paint-l { 0%, 15% { fill: #8E9AAD; } 40%, 60% { fill: #F26A1B; } 85%, 100% { fill: #27324A; } }
@keyframes iso-paint-r { 0%, 15% { fill: #6A778B; } 40%, 60% { fill: #C8530F; } 85%, 100% { fill: #1B2433; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }

/* Proiecte (carduri) */
.projects { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 18px; }
.proj { grid-column: span 4; margin: 0; position: relative; border-radius: 12px; overflow: hidden; background: var(--ink-2); color: #FFFFFF; }
.proj.wide { grid-column: span 8; }
.proj button { all: unset; display: block; width: 100%; cursor: zoom-in; }
.proj button:focus-visible { outline: 3px solid var(--accent); outline-offset: -3px; }
.proj img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; transition: transform .6s ease; }
.proj:hover img { transform: scale(1.035); }
.proj figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 40px 18px 16px; background: linear-gradient(transparent, rgba(10,14,22,0.88)); display: grid; gap: 2px; }
.proj figcaption b { font-family: var(--f-display); font-size: 1.4rem; font-weight: 600; line-height: 1.1; }
.proj figcaption span { font-family: var(--f-mono); font-size: 0.78rem; color: #D6DCE5; }
@media (max-width: 900px) { .proj, .proj.wide { grid-column: span 6; } }
@media (max-width: 600px) { .proj, .proj.wide { grid-column: span 12; } }

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.filters button { font: 500 0.95rem/1 var(--f-body); color: var(--text); background: var(--paper); border: 1px solid var(--line-2); border-radius: 999px; min-height: 44px; padding: 0 16px; cursor: pointer; }
.filters button[aria-pressed="true"] { background: var(--ink); color: #FFFFFF; border-color: var(--ink); }

/* Pentru cine */
.paths { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.path { border-radius: 14px; padding: clamp(24px, 3vw, 36px); display: grid; gap: 14px; align-content: start; border: 1px solid var(--line); background: var(--paper); }
.path.dark { background: var(--ink); color: var(--on-ink); border-color: var(--ink); }
.path h3 { font-size: var(--step-3); }
.path p { color: var(--muted); font-size: var(--step-1); }
.path.dark p { color: var(--on-ink-muted); }
.path ul { margin: 0; padding-left: 20px; display: grid; gap: 8px; }
.path li::marker { color: var(--accent); }
.path .btn { justify-self: start; margin-top: 6px; }
@media (max-width: 860px) { .paths { grid-template-columns: 1fr; } }

/* Despre */
.about { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(28px, 4vw, 56px); align-items: center; }
.about-card { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.about-card img { width: 100%; background: #FFFFFF; }
.about-body { display: grid; gap: 16px; }
.about-body h2 { font-size: var(--step-3); }
.about-body p { color: var(--muted); font-size: var(--step-1); max-width: 60ch; }
.mission { border-left: 3px solid var(--accent); padding: 6px 0 6px 18px; font-family: var(--f-display); font-size: 1.6rem; line-height: 1.2; color: var(--text) !important; }
.skills { display: grid; gap: 14px; }
.skills > div { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 12px; align-items: center; }
.skills-lbl { font-family: var(--f-mono); font-size: 0.78rem; letter-spacing: .06em; text-transform: uppercase; color: var(--accent-ink); }
@media (max-width: 560px) { .skills > div { grid-template-columns: 1fr; gap: 8px; } }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font-family: var(--f-mono); font-size: 0.82rem; padding: 7px 12px; border: 1px solid var(--line-2); border-radius: 999px; background: var(--paper); }
@media (max-width: 900px) { .about { grid-template-columns: 1fr; } }

/* Prețuri */
.prices { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.price { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; display: grid; grid-template-rows: auto 1fr; }
.price img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; background: #2E3648; }
.price .body { padding: 22px; display: grid; gap: 10px; align-content: start; }
.price .lvl { font-family: var(--f-mono); font-size: 0.78rem; letter-spacing: .06em; text-transform: uppercase; color: var(--accent-ink); }
.price h3 { font-size: var(--step-2); }
.price .amount { font-family: var(--f-display); font-size: 2.6rem; font-weight: 600; line-height: 1; font-variant-numeric: tabular-nums; }
.price .amount small { font-size: 1rem; font-family: var(--f-body); font-weight: 500; color: var(--muted); }
.price p { color: var(--muted); }
.price ul { margin: 0; padding-left: 20px; color: var(--muted); display: grid; gap: 4px; }
.price.featured { border: 2px solid var(--accent); }
@media (max-width: 960px) { .prices { grid-template-columns: 1fr; } }
.included { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--line); margin-top: 28px; }
.included div { padding: 18px 16px 0 0; display: grid; gap: 4px; }
.included b { font-family: var(--f-mono); font-size: 0.82rem; color: var(--accent-ink); }
.included span { color: var(--muted); }
@media (max-width: 760px) { .included { grid-template-columns: 1fr 1fr; } }
.extra { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 48px); align-items: center; }
.extra .note { font-size: var(--step--1); color: var(--muted); }
.calc { background: var(--sheet); border: 1px solid var(--line); border-radius: 12px; padding: 20px; display: grid; gap: 12px; }
.calc output { font-family: var(--f-display); font-size: 2rem; font-weight: 600; font-variant-numeric: tabular-nums; }
@media (max-width: 860px) { .extra { grid-template-columns: 1fr; } }

/* FAQ */
.faq { display: grid; border-top: 1px solid var(--line); max-width: 860px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 22px 44px 22px 0; position: relative; font-weight: 600; font-size: var(--step-1); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); font: 400 1.8rem/1 var(--f-body); color: var(--accent-ink); }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 0 22px; color: var(--muted); max-width: 70ch; }

/* Contact / formular */
.contact { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(28px, 4vw, 56px); align-items: start; }
.contact-info { display: grid; gap: 18px; }
.contact-info h2 { font-size: var(--step-3); }
.contact-info p { color: var(--on-ink-muted); font-size: var(--step-1); }
.cline { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.cline .lbl { font-family: var(--f-mono); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--on-ink-muted); width: 92px; }
.cline .val { font-size: var(--step-1); font-weight: 600; user-select: all; word-break: break-all; }
.copy-btn { font: 500 0.85rem/1 var(--f-body); border: 1px solid rgba(255,255,255,0.3); color: var(--on-ink); background: none; border-radius: 6px; min-height: 36px; padding: 0 12px; cursor: pointer; }
.form { background: var(--paper); color: var(--text); border-radius: 14px; padding: clamp(22px, 3vw, 32px); display: grid; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 6px; min-width: 0; }
.field label, .field legend { font-weight: 600; font-size: var(--step--1); }
.field input, .field select, .field textarea { font: inherit; color: var(--text); background: var(--paper); border: 1px solid var(--line-2); border-radius: 8px; padding: 12px 14px; min-height: 48px; width: 100%; }
.field textarea { resize: vertical; min-height: 110px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 1rem; }
.check input { width: 20px; height: 20px; margin-top: 3px; accent-color: var(--accent); }
.measure { display: grid; gap: 10px; background: var(--sheet); border-radius: 10px; padding: 14px; }
.form-note { font-size: var(--step--1); color: var(--muted); }
.form-result { background: var(--sheet); border: 1px solid var(--line); border-radius: 10px; padding: 16px; display: grid; gap: 10px; }
.form-result pre { white-space: pre-wrap; margin: 0; font: 0.9rem/1.5 var(--f-mono); max-height: 240px; overflow: auto; }
.form-result .row { display: flex; gap: 10px; flex-wrap: wrap; }
@media (max-width: 900px) { .contact { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }

/* Lightbox */
.lightbox { position: fixed; inset: 0; z-index: 80; background: rgba(10,14,22,0.94); display: grid; place-items: center; padding: max(16px, env(safe-area-inset-top, 0px)) max(16px, env(safe-area-inset-right, 0px)) max(16px, env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px)); }
.lightbox figure { margin: 0; display: grid; gap: 12px; max-width: min(1400px, 100%); }
.lightbox img { max-height: 78vh; width: auto; margin: 0 auto; border-radius: 8px; }
.lightbox figcaption { color: #FFFFFF; text-align: center; display: grid; gap: 4px; }
.lightbox figcaption b { font-family: var(--f-display); font-size: 1.5rem; }
.lightbox figcaption span { color: #C3CAD5; font-size: 0.95rem; }
.lb-btn { position: absolute; width: 48px; height: 48px; border-radius: 50%; border: 0; background: rgba(255,255,255,0.12); color: #FFFFFF; font-size: 26px; cursor: pointer; }
.lb-close { top: calc(12px + env(safe-area-inset-top, 0px)); right: calc(12px + env(safe-area-inset-right, 0px)); }
.lb-prev { left: calc(12px + env(safe-area-inset-left, 0px)); top: 50%; }
.lb-next { right: calc(12px + env(safe-area-inset-right, 0px)); top: 50%; }

/* CTA + subsol */
.cta { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 20px; }
.cta h2 { font-size: var(--step-3); max-width: 24ch; }
.page-hero { background: var(--ink); color: var(--on-ink); }
.page-hero .wrap { padding-block: clamp(40px, 6vw, 72px); display: grid; gap: 14px; }
.page-hero h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
.page-hero p { color: var(--on-ink-muted); font-size: var(--step-1); max-width: 60ch; }
.video-frame { border-radius: 14px; overflow: hidden; background: #000; aspect-ratio: 16 / 9; max-width: 100%; }
.video-frame video { width: 100%; height: 100%; object-fit: cover; }
.site-footer { background: var(--ink); color: var(--on-ink-muted); border-top: 1px solid rgba(255,255,255,0.08); }
.site-footer .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; padding-block: 32px; }
.site-footer img { height: 56px; width: auto; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: #FFFFFF; }
.site-footer small { font-size: var(--step--1); }

/* ===================== v3: limbă, ecuație, livrabile, fișă proiect, 3D ===================== */
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.no-scroll { overflow: hidden; }
.kicker--ink { color: var(--accent-ink); }
.more-link { margin-top: 26px; }
.note-line { margin-top: 24px; color: var(--muted); }

.lang { display: inline-flex; border: 1px solid rgba(255,255,255,0.28); border-radius: 999px; padding: 3px; flex: none; }
.lang button { font: 600 0.85rem/1 var(--f-mono); letter-spacing: .04em; color: var(--on-ink-muted); background: none; border: 0; border-radius: 999px; min-width: 44px; min-height: 36px; cursor: pointer; }
.lang button[aria-pressed="true"] { background: var(--accent); color: #1B2433; }
@media (max-width: 1180px) { .lang { margin-left: auto; } .site-header .nav { margin-left: 0; } }

.stage-3d { position: absolute; right: 14px; bottom: 14px; z-index: 2; display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 16px; border: 0; border-radius: 999px; background: rgba(27,36,51,0.9); color: #FFFFFF; font: 600 0.95rem/1 var(--f-body); cursor: pointer; transition: background .2s ease, transform .2s ease; }
.stage-3d svg { width: 20px; height: 20px; }
.stage-3d:hover { background: var(--accent); color: #1B2433; transform: translateY(-1px); }

/* Ecuația Designer + Inginer = Inginer designer */
.equation { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1.35fr); gap: 14px; align-items: stretch; }
.eq-col { border-radius: 14px; padding: clamp(20px, 2.4vw, 28px); display: grid; gap: 10px; align-content: start; border: 1px solid var(--line); background: var(--sheet); transition: transform .5s cubic-bezier(.2,.7,.2,1), opacity .5s ease, box-shadow .3s ease; }
.eq-role { font-family: var(--f-mono); font-size: 0.78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--accent-ink); }
.eq-col h3 { font-size: var(--step-2); }
.eq-col ul { list-style: none; margin: 4px 0 0; padding: 0; display: grid; gap: 6px; }
.eq-col li { padding: 9px 12px; border-radius: 8px; background: var(--paper); border: 1px solid var(--line); cursor: default; transition: background .2s ease, border-color .2s ease, color .2s ease; outline-offset: 2px; }
.eq-col li.lit { background: var(--accent); border-color: var(--accent); color: #1B2433; }
.eq-op { align-self: center; font-family: var(--f-display); font-size: clamp(2.6rem, 5vw, 4rem); font-weight: 600; color: var(--accent); line-height: 1; transition: transform .5s ease; }
.eq-result { background: var(--ink); color: var(--on-ink); border-color: var(--ink); box-shadow: 0 24px 50px rgba(27,36,51,0.25); }
.eq-result .eq-role { color: var(--accent); }
.eq-result ul.eq-grid { grid-template-columns: 1fr 1fr; }
.eq-result li { background: rgba(255,255,255,0.07); border-color: rgba(255,255,255,0.12); color: var(--on-ink); }
.eq-result li:nth-child(odd) { box-shadow: inset 3px 0 0 #9FB3CF; }
.eq-result li:nth-child(even) { box-shadow: inset 3px 0 0 var(--accent); }
.equation.hl-designer .eq-result li:nth-child(odd), .equation.hl-engineer .eq-result li:nth-child(even) { background: rgba(255,255,255,0.18); }
.equation.armed .eq-designer { transform: translateX(-30px); opacity: 0; }
.equation.armed .eq-engineer { transform: translateY(30px); opacity: 0; }
.equation.armed .eq-result { transform: translateX(30px); opacity: 0; }
.equation.armed .eq-op { transform: scale(0.3); }
.equation .eq-engineer { transition-delay: .15s; }
.equation .eq-result { transition-delay: .35s; }
@media (max-width: 1100px) { .equation { grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); } .equation .eq-op:nth-of-type(2) { grid-column: 1 / -1; justify-self: center; } .eq-result { grid-column: 1 / -1; } }
@media (max-width: 640px) { .equation { grid-template-columns: 1fr; } .eq-op { justify-self: center; } .eq-result ul.eq-grid { grid-template-columns: 1fr; } .equation.armed .eq-designer, .equation.armed .eq-result { transform: translateY(30px); } }

/* Ce primești */
.deliverables { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); grid-auto-rows: auto; gap: 18px; }
.dv { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 24px; display: grid; gap: 10px; align-content: start; color: inherit; text-decoration: none; }
.dv h3 { font-size: var(--step-2); }
.dv p { color: var(--muted); }
.dv-fmt { font-family: var(--f-mono); font-size: 0.78rem; letter-spacing: .06em; text-transform: uppercase; color: var(--accent-ink); }
.dv--main { grid-column: span 1; grid-row: span 2; padding: 0; overflow: hidden; grid-template-rows: auto 1fr; transition: box-shadow .25s ease, transform .25s ease; }
.dv--main:hover { box-shadow: 0 20px 40px rgba(27,36,51,0.18); transform: translateY(-2px); }
.dv--main img { width: 100%; aspect-ratio: 4 / 3.4; object-fit: cover; object-position: top; background: #EDEADB; border-bottom: 1px solid var(--line); }
.dv-body { padding: 22px 24px 24px; display: grid; gap: 10px; align-content: start; }
.dv-more { font-family: var(--f-mono); font-size: 0.8rem; text-transform: uppercase; letter-spacing: .05em; color: var(--accent-ink); }
.dv-more::after { content: " →"; }
@media (max-width: 960px) { .deliverables { grid-template-columns: 1fr 1fr; } .dv--main { grid-column: 1 / -1; grid-row: auto; } }
@media (max-width: 560px) { .deliverables { grid-template-columns: 1fr; } }

/* Carduri proiecte */
.proj button { position: relative; }
.badge3d, .badge-count { position: absolute; top: 12px; z-index: 1; display: inline-flex; align-items: center; gap: 6px; font: 600 0.78rem/1 var(--f-mono); padding: 7px 10px; border-radius: 999px; }
.badge3d { left: 12px; background: var(--accent); color: #1B2433; }
.badge3d svg { width: 16px; height: 16px; }
.badge-count { right: 12px; background: rgba(14,20,32,0.75); color: #FFFFFF; }
.badge-count::before { content: "▣ "; }
.proj button { cursor: pointer; }
.proj figcaption { pointer-events: none; }
.empty { color: var(--muted); }

/* Fișa proiectului */
.sheet { position: fixed; inset: 0; z-index: 90; background: rgba(8,12,20,0.82); display: grid; place-items: center; padding: max(12px, env(safe-area-inset-top, 0px)) max(12px, env(safe-area-inset-right, 0px)) max(12px, env(safe-area-inset-bottom, 0px)) max(12px, env(safe-area-inset-left, 0px)); }
.sheet-panel { position: relative; width: min(1320px, 100%); max-height: 100%; overflow: auto; background: var(--paper); color: var(--text); border-radius: 16px; display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(280px, 1fr); }
.sheet-close { position: absolute; top: 10px; right: 10px; z-index: 3; width: 44px; height: 44px; border-radius: 50%; border: 0; background: rgba(14,20,32,0.75); color: #FFFFFF; font-size: 26px; line-height: 1; cursor: pointer; }
.sheet-media { background: #0E1420; display: grid; grid-template-rows: auto 1fr auto; min-width: 0; }
.sheet-tabs { display: flex; gap: 6px; padding: 12px 12px 0; }
.sheet-tabs button { display: inline-flex; align-items: center; gap: 6px; font: 600 0.9rem/1 var(--f-body); color: #C3CAD5; background: rgba(255,255,255,0.08); border: 0; border-radius: 999px; min-height: 40px; padding: 0 16px; cursor: pointer; }
.sheet-tabs button svg { width: 18px; height: 18px; }
.sheet-tabs button[aria-selected="true"] { background: var(--accent); color: #1B2433; }
.sheet-view { position: relative; display: grid; place-items: center; min-height: min(62vh, 640px); }
.sheet-view > img { width: 100%; height: 100%; max-height: 70vh; object-fit: contain; }
.sheet-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 46px; height: 46px; border-radius: 50%; border: 0; background: rgba(255,255,255,0.14); color: #FFFFFF; font-size: 26px; cursor: pointer; }
.sheet-nav.prev { left: 12px; } .sheet-nav.next { right: 12px; }
.sheet-nav:hover { background: var(--accent); color: #1B2433; }
.sheet-thumbs { display: flex; gap: 8px; padding: 10px 12px 12px; overflow-x: auto; }
.sheet-thumbs button { flex: none; width: 84px; height: 56px; border-radius: 6px; overflow: hidden; border: 2px solid transparent; padding: 0; cursor: pointer; background: #1A2232; }
.sheet-thumbs button[aria-current="true"] { border-color: var(--accent); }
.sheet-thumbs img { width: 100%; height: 100%; object-fit: cover; }
.sheet-info { padding: clamp(22px, 3vw, 36px); display: grid; gap: 14px; align-content: start; }
.sheet-cat { font-family: var(--f-mono); font-size: 0.78rem; letter-spacing: .06em; text-transform: uppercase; color: var(--accent-ink); }
.sheet-title { font-size: clamp(1.8rem, 2.6vw, 2.4rem); }
.sheet-text { color: var(--muted); }
.sheet-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; margin: 4px 0; }
.sheet-specs:empty { display: none; }
.sheet-specs div { padding: 12px 14px; border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); }
.sheet-specs dt { font-family: var(--f-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.sheet-specs dd { margin: 3px 0 0; font-weight: 600; }
.sheet-cta { justify-self: start; }
.mv-wrap { position: relative; width: 100%; height: min(62vh, 640px); background: radial-gradient(circle at 50% 40%, #3A465C 0%, #1A2232 70%); }
.mv-wrap model-viewer { width: 100%; height: 100%; --poster-color: transparent; }
.mv-status { position: absolute; inset: 0; display: grid; place-items: center; color: #C3CAD5; margin: 0; }
.mv-hint { color: #C3CAD5; font-size: 0.88rem; text-align: center; margin: 0; padding: 8px 12px 12px; }
@media (max-width: 900px) { .sheet-panel { grid-template-columns: 1fr; } .sheet-view, .mv-wrap { min-height: 46vh; height: 46vh; } }
.price[data-open] { cursor: pointer; transition: box-shadow .25s ease, transform .25s ease; }
.price[data-open]:hover { box-shadow: 0 18px 40px rgba(27,36,51,0.16); transform: translateY(-2px); }
.proj button { height: 100%; }
.proj img { height: 100%; min-height: 220px; }
.filters button[aria-pressed="true"] { background: var(--accent); color: #1B2433; border-color: var(--accent); }

/* ===================== materiale ===================== */
.materials { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.mat { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; display: grid; grid-template-rows: auto 1fr; transition: transform .3s ease, box-shadow .3s ease; }
.mat:hover { transform: translateY(-3px); box-shadow: 0 18px 40px rgba(27,36,51,0.16); }
.mat img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform .6s ease; }
.mat:hover img { transform: scale(1.06); }
.mat-body { padding: 20px 22px 22px; display: grid; gap: 10px; align-content: start; border-top: 3px solid var(--matc, var(--accent)); }
.mat-body h3 { font-size: var(--step-2); }
.mat-body p { color: var(--muted); font-size: 1rem; }
.mat-links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.mat-links button { font: 500 0.88rem/1 var(--f-body); color: var(--text); background: var(--sheet); border: 1px solid var(--line-2); border-radius: 999px; min-height: 40px; padding: 0 14px; cursor: pointer; }
.mat-links button:hover { background: var(--accent); border-color: var(--accent); color: #1B2433; }
[data-mat="metal"], [data-matc="metal"] { --matc: #7A8798; }
[data-mat="lemn"], [data-matc="lemn"] { --matc: #B07A45; }
[data-mat="sticla"], [data-matc="sticla"] { --matc: #6FB3C2; }
[data-mat="beton"], [data-matc="beton"] { --matc: #A49C90; }
@media (max-width: 1060px) { .materials { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .materials { grid-template-columns: 1fr; } }
.filters { display: grid; gap: 10px; }
.filter-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.filter-lbl { font-family: var(--f-mono); font-size: 0.78rem; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin-right: 4px; }
.filter-row--mat button { box-shadow: inset 4px 0 0 var(--matc); }
.sheet-mats { display: flex; flex-wrap: wrap; gap: 6px; }
.sheet-mats:empty { display: none; }
.mat-chip { font: 600 0.8rem/1 var(--f-mono); padding: 7px 10px 7px 12px; border-radius: 999px; background: var(--sheet); border: 1px solid var(--line); box-shadow: inset 4px 0 0 var(--matc); }
.sheet-group { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; padding-bottom: 6px; border-bottom: 1px solid var(--line); }
.sheet-group button { font: 600 0.85rem/1.1 var(--f-body); color: var(--text); background: var(--sheet); border: 1px solid var(--line-2); border-radius: 999px; min-height: 40px; padding: 6px 14px; cursor: pointer; text-align: left; }
.sheet-group button[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: #1B2433; }
@media (max-width: 640px) {
  .filter-row { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; padding-bottom: 4px; margin-inline: calc(-1 * max(16px, env(safe-area-inset-left, 0px))); padding-inline: max(16px, env(safe-area-inset-left, 0px)); }
  .filter-row::-webkit-scrollbar { display: none; }
  .filter-row button, .filter-lbl { flex: none; }
}