/* Botanica BC — tahliliy hisobot sayti. Yagona uslublar. */
:root {
  --bg: #f6f3ec; --surface: #ffffff; --surface-2: #efe9dc; --ink: #1c2b23; --ink-2: #4c5a52; --ink-3: #7b857f;
  --green: #1f3329; --green-2: #2c4639; --bronze: #a3854c; --bronze-2: #8a6f3c; --line: #e2dccd;
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100;
  --good: #1e7d46; --warn: #b7791f; --bad: #b3382c;
  --fact: #1e5fa8; --client: #8a6f3c; --calc: #1e7d46; --assume: #b3382c;
  --radius: 14px; --shadow: 0 1px 2px rgba(28,43,35,.06), 0 8px 24px rgba(28,43,35,.06);
  --font: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg); line-height: 1.55; font-size: 16px; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: var(--bronze-2); }
h1, h2, h3, h4 { color: var(--green); line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(30px, 5vw, 54px); font-weight: 800; }
h2 { font-size: clamp(24px, 3.2vw, 36px); font-weight: 800; }
h3 { font-size: 20px; font-weight: 700; }
h4 { font-size: 16px; font-weight: 700; }
p { margin: 0 0 1em; }
small, .small { font-size: 13px; color: var(--ink-2); }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.eyebrow { font-size: 12px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--bronze); margin-bottom: 10px; }
.lead { font-size: 18px; color: var(--ink-2); max-width: 820px; }

/* nav */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(246,243,236,.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; gap: 18px; height: 60px; }
.brand { font-weight: 800; letter-spacing: .14em; color: var(--green); text-decoration: none; font-size: 15px; white-space: nowrap; }
.brand span { display: block; font-weight: 500; letter-spacing: 0; font-size: 11px; color: var(--ink-3); }
.nav nav { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; flex: 1; }
.nav nav::-webkit-scrollbar { display: none; }
.nav nav a { color: var(--ink-2); text-decoration: none; font-size: 14px; padding: 8px 10px; border-radius: 8px; white-space: nowrap; }
.nav nav a:hover, .nav nav a.active { background: var(--surface-2); color: var(--green); }
.btn { display: inline-flex; align-items: center; gap: 8px; background: var(--green); color: #fff; text-decoration: none; padding: 11px 18px; border-radius: 10px; font-weight: 600; font-size: 14px; border: 0; cursor: pointer; white-space: nowrap; }
.btn:hover { background: var(--green-2); }
.btn.alt { background: transparent; color: var(--green); border: 1.5px solid var(--green); }
.btn.alt:hover { background: var(--surface-2); }
.btn.bronze { background: var(--bronze); }
.btn.sm { padding: 7px 12px; font-size: 13px; }

/* hero */
.hero { position: relative; color: #fff; background: var(--green); overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(20,33,27,.94) 0%, rgba(20,33,27,.78) 48%, rgba(20,33,27,.35) 100%), url('../img/render-street.jpg') center/cover no-repeat; }
.hero .wrap { position: relative; padding: 72px 20px 56px; }
.hero h1 { color: #fff; max-width: 860px; }
.hero .lead { color: rgba(255,255,255,.86); }
.hero .eyebrow { color: #d9c08a; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 22px; font-size: 14px; color: rgba(255,255,255,.8); }
.hero-meta b { color: #fff; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.hero .btn.alt { color: #fff; border-color: rgba(255,255,255,.6); }
.hero .btn.alt:hover { background: rgba(255,255,255,.12); }

/* sections */
section { padding: 64px 0; border-bottom: 1px solid var(--line); }
section.tint { background: var(--surface-2); }
section.dark { background: var(--green); color: #fff; }
section.dark h2, section.dark h3, section.dark h4 { color: #fff; }
section.dark .eyebrow { color: #d9c08a; }
section.dark .lead, section.dark p { color: rgba(255,255,255,.86); }
.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.g5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
@media (max-width: 960px) { .g4, .g5 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .g3 { grid-template-columns: 1fr; } }
@media (max-width: 640px) { .g2 { grid-template-columns: 1fr; } section { padding: 44px 0; } }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
section.dark .card { background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.16); box-shadow: none; color: #fff; }
.card h3, .card h4 { margin-bottom: 6px; }
.kpi .v { font-size: clamp(24px, 3vw, 34px); font-weight: 800; color: var(--green); letter-spacing: -.02em; line-height: 1.1; }
.kpi .l { font-size: 13px; color: var(--ink-2); margin-top: 4px; }
section.dark .kpi .v { color: #fff; } section.dark .kpi .l { color: rgba(255,255,255,.75); }
.kpi .d { font-size: 12px; color: var(--ink-3); margin-top: 6px; }
.callout { border-left: 4px solid var(--bronze); background: var(--surface-2); padding: 16px 18px; border-radius: 0 12px 12px 0; margin: 18px 0; }
section.tint .callout { background: var(--surface); }
.callout.warn { border-color: var(--bad); }
.callout.good { border-color: var(--good); }
.callout b { color: var(--green); }

/* dalil belgilari: fakt / buyurtmachi / hisob / taxmin */
.tag { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: .04em; padding: 2px 7px; border-radius: 999px; vertical-align: 1px; white-space: nowrap; border: 1px solid currentColor; }
.tag.f { color: var(--fact); } .tag.b { color: var(--client); } .tag.h { color: var(--calc); } .tag.t { color: var(--assume); }
.legend-tags { display: flex; flex-wrap: wrap; gap: 8px 16px; font-size: 13px; color: var(--ink-2); margin: 10px 0 0; }
sup.src a { text-decoration: none; font-weight: 700; color: var(--bronze-2); font-size: 11px; }

/* jadvallar */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th { background: var(--green); color: #fff; font-size: 12px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; position: sticky; top: 0; white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: #faf8f2; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tr.total td { font-weight: 800; background: var(--surface-2); }
table.compact th, table.compact td { padding: 7px 9px; font-size: 13px; }
.pill { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.pill.hi { background: #fbe4e1; color: var(--bad); } .pill.mid { background: #fdf0d5; color: var(--warn); } .pill.lo { background: #e0f1e6; color: var(--good); }
.pill.neu { background: var(--surface-2); color: var(--ink-2); }

/* ro'yxatlar */
ul.clean { list-style: none; padding: 0; margin: 0; }
ul.clean li { padding: 8px 0 8px 22px; position: relative; border-bottom: 1px dashed var(--line); }
ul.clean li:last-child { border-bottom: 0; }
ul.clean li::before { content: ""; position: absolute; left: 2px; top: 17px; width: 8px; height: 8px; border-radius: 50%; background: var(--bronze); }
.two-col { columns: 2; column-gap: 32px; } @media (max-width: 760px) { .two-col { columns: 1; } }

/* diagrammalar */
.viz { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.viz h4 { margin-bottom: 2px; } .viz .sub { font-size: 13px; color: var(--ink-2); margin-bottom: 10px; }
.viz svg { width: 100%; height: auto; display: block; overflow: visible; }
.viz .legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 13px; color: var(--ink-2); margin-top: 8px; }
.viz .legend i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.tooltip { position: fixed; z-index: 100; pointer-events: none; background: var(--green); color: #fff; padding: 8px 10px; border-radius: 8px; font-size: 12.5px; line-height: 1.4; box-shadow: 0 6px 20px rgba(0,0,0,.25); opacity: 0; transition: opacity .1s; max-width: 260px; }
.tooltip b { color: #e9d7a8; }
.axis text { fill: var(--ink-3); font-size: 11px; } .axis line, .grid-line { stroke: var(--line); stroke-width: 1; }

/* xarita */
#map, .map { height: 520px; border-radius: var(--radius); border: 1px solid var(--line); box-shadow: var(--shadow); z-index: 1; }
.map-controls { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.chip { border: 1.5px solid var(--line); background: var(--surface); color: var(--ink-2); padding: 6px 12px; border-radius: 999px; font-size: 13px; cursor: pointer; font-weight: 600; }
.chip.on { background: var(--green); color: #fff; border-color: var(--green); }
.chip i { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 6px; }

/* model */
.inputs { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 10px 16px; }
.field { display: flex; flex-direction: column; gap: 3px; font-size: 13px; color: var(--ink-2); }
.field input, .field select { font: inherit; font-size: 15px; font-weight: 600; color: var(--ink); padding: 8px 10px; border-radius: 8px; border: 1.5px solid var(--line); background: #fffbe6; width: 100%; }
.field input.key { background: #fff3a8; border-color: #e6d36a; }
.field input:focus { outline: 2px solid var(--bronze); border-color: var(--bronze); }
.field .hint { font-size: 11.5px; color: var(--ink-3); }
.seg { display: inline-flex; background: var(--surface-2); border-radius: 10px; padding: 4px; gap: 4px; }
.seg button { border: 0; background: transparent; padding: 8px 14px; border-radius: 8px; font: inherit; font-size: 14px; font-weight: 600; color: var(--ink-2); cursor: pointer; }
.seg button.on { background: var(--green); color: #fff; }
details.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 10px; }
details.panel > summary { cursor: pointer; padding: 14px 18px; font-weight: 700; color: var(--green); list-style: none; }
details.panel > summary::after { content: "+"; float: right; color: var(--bronze); font-size: 18px; }
details.panel[open] > summary::after { content: "–"; }
details.panel > div { padding: 0 18px 18px; }
.strat { border-top: 5px solid var(--s1); } .strat.b { border-top-color: var(--s2); } .strat.c { border-top-color: var(--s3); }
.strat .best { display: none; } .strat.win .best { display: inline-block; }
.rows { display: grid; grid-template-columns: 1fr auto; gap: 4px 10px; font-size: 14px; margin-top: 10px; }
.rows span:nth-child(even) { font-weight: 700; text-align: right; font-variant-numeric: tabular-nums; }
.neg { color: var(--bad); } .pos { color: var(--good); }

footer { padding: 40px 0 60px; font-size: 13px; color: var(--ink-2); }
footer a { color: var(--ink-2); }
.srclist { font-size: 13px; color: var(--ink-2); } .srclist li { margin-bottom: 6px; word-break: break-word; }
.toc { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 10px; }
.toc a { display: block; text-decoration: none; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; color: var(--ink); font-weight: 600; }
.toc a span { display: block; font-size: 12px; color: var(--bronze); font-weight: 700; letter-spacing: .1em; }
.toc a:hover { border-color: var(--bronze); }
.figure { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px; box-shadow: var(--shadow); }
.figure figcaption, .figure .cap { font-size: 12.5px; color: var(--ink-3); padding: 8px 6px 2px; }
figure { margin: 0; }

@media print {
  .nav, .hero-cta, .map-controls, .no-print { display: none !important; }
  body { background: #fff; font-size: 12px; } section { padding: 18px 0; break-inside: avoid-page; } .card, .viz, .table-wrap { box-shadow: none; }
}

tr.sep td { border-bottom: 2px solid var(--green); }
.map-wrap { position: relative; }
@media print { .map { height: 420px; } details.panel { display: block; } details.panel > div { display: block !important; } .hero { color: #fff; -webkit-print-color-adjust: exact; print-color-adjust: exact; } * { -webkit-print-color-adjust: exact; print-color-adjust: exact; } a { color: inherit; text-decoration: none; } }

@page { size: A4; margin: 11mm 10mm 12mm; }
@media print {
  body { font-size: 10.5px; line-height: 1.45; }
  .wrap { max-width: none; padding: 0; }
  h1 { font-size: 30px; } h2 { font-size: 21px; } h3 { font-size: 15px; } h4 { font-size: 13px; }
  .lead { font-size: 12px; max-width: none; }
  .hero .wrap { padding: 28px 18px 24px; }
  section { padding: 14px 0; border: 0; }
  section.tint { background: #fff; }
  .card, .viz, .callout { padding: 10px 12px; break-inside: avoid; }
  table.compact th, table.compact td { padding: 4px 6px; font-size: 9.5px; }
  thead th { position: static; }
  tr { break-inside: avoid; }
  .table-wrap { overflow: visible; }
  .kpi .v { font-size: 20px; }
  .map { height: 380px; }
  .grid { gap: 10px; }
  #s1, #s2, #s3, #s4, #s5, #s6, #s7, #tafovut, #metodika { break-before: page; }
  .figure img { max-height: 210px; object-fit: contain; }
  footer { padding: 10px 0; }
}
@media print {
  .g2 { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
  .g3 { grid-template-columns: repeat(3, minmax(0, 1fr)) !important; }
  .g4 { grid-template-columns: repeat(4, minmax(0, 1fr)) !important; }
  thead th { white-space: normal; font-size: 8px; letter-spacing: .02em; }
  .figure img { max-height: 180px; width: 100%; }
  #tbl-rec table th, #tbl-rec table td { padding: 4px 4px; }
  .viz svg { max-height: 250px; }
}

/* ---- ogohlantirish, til, sodda xulosa ---- */
.disclaimer { background: #14231b; color: #e6d9b8; font-size: 12.5px; text-align: center; padding: 6px 14px; line-height: 1.4; }
.disclaimer b { color: #fff; }
.lang { display: inline-flex; gap: 2px; background: var(--surface-2); border-radius: 8px; padding: 2px; flex-shrink: 0; }
.lang a { padding: 5px 8px; font-size: 12px; font-weight: 700; text-decoration: none; color: var(--ink-2); border-radius: 6px; }
.lang a.on { background: var(--green); color: #fff; }
.simple { background: #e7f1ea; border: 1px solid #cfe3d5; border-radius: 12px; padding: 12px 16px; margin: 4px 0 20px; font-size: 15.5px; color: var(--ink); }
.simple::before { content: attr(data-l); display: block; font-size: 11px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--good); margin-bottom: 4px; }
section.tint .simple { background: #fff; }

/* ---- Monte Karlo ---- */
.dots { display: grid; grid-template-columns: repeat(10, 1fr); gap: 4px; max-width: 200px; margin: 10px 0 8px; }
.dots i { display: block; aspect-ratio: 1; border-radius: 50%; background: #d8dcd5; }
.dots i.y { background: var(--good); }
.mc-big { font-size: 30px; font-weight: 800; color: var(--green); line-height: 1.1; }
.card.mc .rows { font-size: 13px; }

/* ---- 3D: aylantirishga bog'langan model ---- */
.scrolly-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 28px; align-items: start; }
.stage3d { position: sticky; top: 76px; height: calc(100vh - 100px); min-height: 440px; max-height: 760px; border-radius: var(--radius); border: 1px solid var(--line); overflow: hidden;
  background: radial-gradient(120% 90% at 50% 72%, #ffffff 0%, #edf2ec 55%, #dde6dc 100%); perspective: 1900px; }
.scene-holder { position: absolute; left: 50%; top: 64%; width: 0; height: 0; transform-style: preserve-3d; }
.scene { position: absolute; left: -156px; top: -108px; width: 312px; height: 216px; transform-style: preserve-3d;
  transform: scale(var(--fit, 1)) rotateX(57deg) rotateZ(-34deg); transition: transform 1.1s cubic-bezier(.2,.7,.2,1); }
.exploded .scene { transform: scale(calc(var(--fit, 1) * .95)) rotateX(57deg) rotateZ(-34deg) translateZ(-235px); }
.fl, .roof { position: absolute; left: 0; top: 0; width: 312px; height: 216px; transform-style: preserve-3d; transform: translateZ(var(--z, var(--z0)));
  transition: transform 1s cubic-bezier(.2,.7,.2,1), opacity .6s; }
.fl .face { position: absolute; transition: opacity .6s; }
.fl .s { left: 0; top: 216px; width: 312px; height: var(--h); transform-origin: 0 0; transform: rotateX(90deg); border-bottom: 3px solid #eef1ee; }
.fl .n { left: 0; top: calc(-1 * var(--h)); width: 312px; height: var(--h); transform-origin: 0 100%; transform: rotateX(-90deg); border-top: 3px solid #eef1ee; }
.fl .e { left: 312px; top: 0; width: var(--h); height: 216px; transform-origin: 0 0; transform: rotateY(-90deg); border-right: 3px solid #eef1ee; }
.fl .w { left: calc(-1 * var(--h)); top: 0; width: var(--h); height: 216px; transform-origin: 100% 0; transform: rotateY(90deg); border-left: 3px solid #eef1ee; }
.fl .s, .fl .n { background: repeating-linear-gradient(90deg, rgba(186,152,86,.95) 0 3px, transparent 3px 26px), linear-gradient(180deg, #34505c, #1d2f36); }
.fl .e, .fl .w { background: repeating-linear-gradient(180deg, rgba(186,152,86,.95) 0 3px, transparent 3px 27px), linear-gradient(90deg, #2c4550, #1b2b31); }
.fl.fB .s, .fl.fB .n, .fl.fB .e, .fl.fB .w { background: #8f9892; }
.fl.f1 .s, .fl.f1 .n { background: repeating-linear-gradient(90deg, rgba(186,152,86,.95) 0 3px, transparent 3px 26px), linear-gradient(180deg, #4d6f7a, #2b4650); }
.fl .top { left: 0; top: 0; width: 312px; height: 216px; transform: translateZ(var(--h)); background-color: #f4f6f3; background-size: 100% 100%; box-shadow: inset 0 0 0 2px rgba(31,51,41,.65); }
.fl .top::after { content: ""; position: absolute; inset: 0; background: transparent; transition: background .5s; }
.fl[data-tone="teal"] .top::after { background: rgba(27,175,122,.40); }
.fl[data-tone="blue"] .top::after { background: rgba(42,120,214,.38); }
.fl[data-tone="orange"] .top::after { background: rgba(235,104,52,.42); }
.fl[data-tone="bronze"] .top::after { background: rgba(163,133,76,.22); }
.exploded .fl .face:not(.top) { opacity: .26; }
.fl.dim { opacity: .17; }
.roof { background: #e4e8e3; box-shadow: inset 0 0 0 3px #f3f5f2; }
.exploded .roof { opacity: 0; }
.ground { position: absolute; left: -200px; top: -170px; width: 712px; height: 720px; transform: translateZ(43px); background: #d8e4d4; border-radius: 12px; transition: opacity .6s; }
.exploded .ground { opacity: 0; }
.road { position: absolute; left: 0; right: 0; top: 420px; height: 120px; background: #89948d; color: #fff; font: 800 15px var(--font); letter-spacing: .1em; display: flex; align-items: center; justify-content: center; }
.garden { position: absolute; left: 0; right: 0; top: 540px; bottom: 0; background: #9fc79c; color: #1f3329; font: 800 15px var(--font); display: flex; align-items: center; justify-content: center; border-radius: 0 0 12px 12px; }
.tag3d { position: absolute; left: 8px; top: 8px; z-index: 2; font: 700 13px/1.2 var(--font); color: #1c2b23; background: #fff; border-radius: 999px; padding: 4px 10px; box-shadow: 0 2px 6px rgba(0,0,0,.25); opacity: 0; transition: opacity .5s; white-space: nowrap; }
.exploded .t-name { opacity: 1; }
.stage3d[data-step="8"] .t-name { opacity: 0; }
.t-strat { left: auto; right: 8px; top: auto; bottom: 8px; color: #fff; }
.t-strat.bl { background: #2a78d6; } .t-strat.or { background: #eb6834; }
.stage3d[data-step="8"] .t-strat { opacity: 1; }
.zone { position: absolute; z-index: 1; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; font: 600 11px/1.25 var(--font); color: #1c2b23;
  background: rgba(255,255,255,.86); border: 2px solid #a3854c; opacity: 0; transition: opacity .5s; padding: 3px; }
.zone b { display: block; font-size: 11.5px; }
.stage3d[data-step="4"] .zone { opacity: 1; }
.z1 { left: 0; top: 58.3%; width: 38.8%; height: 41.7%; } .z2 { left: 19.9%; top: 0; width: 18.9%; height: 41%; } .z3 { left: 61.2%; top: 0; width: 38.8%; height: 100%; }
.lift { position: absolute; left: 44.9%; top: 9.3%; width: 10.4%; height: 16.2%; border: 3px solid #b3382c; background: rgba(179,56,44,.28); opacity: 0; transition: opacity .5s; }
.stage3d[data-step="7"] .lift { opacity: 1; }
.stage-cap { position: absolute; left: 14px; right: 14px; bottom: 12px; font: 700 14px var(--font); color: var(--green); background: rgba(255,255,255,.9); padding: 8px 12px; border-radius: 10px; box-shadow: var(--shadow); }
.stage-note { position: absolute; left: 14px; top: 12px; font-size: 11.5px; color: var(--ink-3); background: rgba(255,255,255,.8); padding: 3px 8px; border-radius: 8px; }
.steps .step { min-height: 74vh; display: flex; align-items: center; }
.steps .step:first-child { min-height: 46vh; align-items: flex-start; padding-top: 6vh; }
.steps .step:last-child { min-height: 86vh; }
.steps .step .card { opacity: .42; transition: opacity .4s, border-color .4s; }
.steps .step.on .card { opacity: 1; border-color: var(--bronze); }
@media (max-width: 860px) {
  .scrolly-grid { display: block; }
  .stage3d { top: 60px; height: 50vh; min-height: 300px; z-index: 5; }
  .steps .step { min-height: 64vh; } .steps .step .card { background: rgba(255,255,255,.96); }
}
@media (prefers-reduced-motion: reduce) { .scene, .fl, .roof { transition: none; } }
@media print {
  .scrolly-grid { display: grid; grid-template-columns: 1fr 1fr; }
  .stage3d { position: relative; top: 0; height: 520px; }
  .steps .step, .steps .step:first-child, .steps .step:last-child { min-height: 0; display: block; margin: 0 0 6px; padding: 0; }
  .steps .step .card { opacity: 1; padding: 6px 10px; }
  .steps .step .card p { margin: 0; }
  .stage-cap { display: none; }
  .disclaimer { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}
/* step badges */
.step-num { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 50%; background: var(--bronze, #a8804c); color: #fff; font: 800 15px/1 system-ui; margin-bottom: 8px; }
section.dark .step-num { background: rgba(255,255,255,.2); }
section.dark .simple::before { color: rgba(255,255,255,.6); }

/* accordions for hiding heavy data */
details.acc { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; margin-top: 16px; transition: all 0.2s ease; }
details.acc:hover { border-color: #b8c7be; }
details.acc > summary { list-style: none; padding: 14px 18px; font-size: 15px; font-weight: 700; cursor: pointer; display: flex; align-items: center; justify-content: space-between; user-select: none; }
details.acc > summary::-webkit-details-marker { display: none; }
details.acc > summary::after { content: '+'; font-size: 20px; font-weight: 400; color: var(--bronze); transition: transform 0.2s; }
details.acc[open] > summary::after { transform: rotate(45deg); color: var(--bad); }
details.acc .acc-body { padding: 4px 18px 18px; border-top: 1px solid var(--line); margin-top: 0; }
section.tint details.acc { background: #fff; }