/*!
 * infographics.css - home page data blocks for the "prioritet-v5" design.
 *
 * Loaded on the home page only, after css/redesign.css, and built entirely on
 * the redesign's tokens (--gold, --ink, --line, --cream, --espresso, --ease).
 *
 * Typography: Manrope throughout (display headings were Instrument Serif, an
 * italic Latin-only face that silently fell back to the browser's default
 * system serif on every Russian string - the "dated, curved font" the client
 * flagged). Figures/labels still use the mono face.
 */

/* ================= SHARED ================= */
.ig-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:22px;flex-wrap:wrap}
.ig-title{font-size:15px;font-weight:600;letter-spacing:.01em}
.ig-note{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--bronze-ink)}
.ig-block{margin-top:60px}
.ig-rail{display:flex;gap:12px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  scroll-snap-type:x proximity;padding:4px 0 6px;cursor:grab}
.ig-rail::-webkit-scrollbar{display:none}
.ig-rail.grabbing{cursor:grabbing}
.ig-rail>*{scroll-snap-align:start;flex:0 0 auto}
/* the rail's grab cursor must not leak onto the controls inside it */
.ig-rail input,.ig-rail button,.ig-rail a,.ig-rail label{cursor:pointer}
.ig-rail input[type="range"]{cursor:ew-resize}
.ig-arrows{display:flex;gap:10px}
@media(max-width:860px){.ig-arrows{display:none}}

/* ================= 2. ASSAY EXPLORER ================= */
/* Replaces the static assay card rail. Same subject - how much pure gold a
   hallmark carries - but the visitor picks the hallmark, which is what the
   client asked for after seeing the diamond 4C block. */
.gx-block{margin-top:60px}
.gx-hint{font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--gold-ink);display:flex;align-items:center;gap:9px}
.gx-hint::before{content:"";width:22px;height:1px;background:var(--gold)}
.gx{display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:44px;align-items:center;
  border:1px solid var(--line);border-radius:var(--r-box);background:var(--cream-2);padding:34px 38px}

.gx-stage{display:flex;flex-direction:column;align-items:center;gap:20px}
.gx-dial{position:relative;width:100%;max-width:250px;aspect-ratio:1/1;display:grid;place-items:center}
.gx-dial svg{position:absolute;inset:0;width:100%;height:100%;transform:rotate(-90deg)}
.gx-track{fill:none;stroke:var(--line);stroke-width:10}
/* r=86 -> circumference 540.35. The default here is the filled 585 state
   (540.35 x 0.415), so the dial reads correctly with JS switched off; the script
   empties it and animates to whichever hallmark is selected. */
.gx-arc{fill:none;stroke:var(--gold);stroke-width:10;stroke-linecap:round;
  stroke-dasharray:540.35;stroke-dashoffset:224.25;transition:stroke-dashoffset 1s var(--ease)}
.gx-center{position:relative;text-align:center;line-height:1}
.gx-mark{font-family:'Manrope',sans-serif;font-size:clamp(44px,5vw,62px);line-height:1}
.gx-sub{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--ink-soft);margin-top:8px}
.gx-sub b{color:var(--gold-ink);font-weight:500}

/* The alloy bar answers "доля чистого золота в сплаве" literally. */
.gx-alloy{display:flex;width:100%;height:34px;border-radius:var(--r-btn);overflow:hidden;border:1px solid var(--line);background:var(--paper)}
.gx-alloy span{display:grid;place-items:center;overflow:hidden}
.gx-alloy i{font-style:normal;font-family:'JetBrains Mono',monospace;font-size:9.5px;letter-spacing:.14em;
  text-transform:uppercase;white-space:nowrap}
.gx-au{background:linear-gradient(90deg,var(--bronze),var(--gold));color:#fff;width:58.5%;
  transition:width 1s var(--ease);flex:0 0 auto}
.gx-lig{color:var(--bronze-ink);flex:1}

.gx-chips{display:flex;flex-wrap:wrap;gap:8px}
/* min-height, not more padding: the chips sit in a wrapping row, so growing
   the padding would reflow the row on a phone. Measured at 32-34px before. */
.gx-chip{border:1px solid var(--line);background:var(--paper);border-radius:var(--r-btn);padding:11px 20px;
  min-height:40px;display:inline-flex;align-items:center;justify-content:center;
  font-family:'Manrope',sans-serif;font-size:21px;line-height:1;color:var(--ink);cursor:pointer;transition:.25s}
.gx-chip:hover{border-color:var(--gold);color:var(--gold)}
.gx-chip[aria-pressed="true"]{background:var(--espresso);border-color:var(--espresso);color:var(--cream)}

.gx-rows{margin-top:26px}
.gx-row{display:flex;justify-content:space-between;align-items:baseline;gap:18px;
  padding:13px 0;border-bottom:1px dashed var(--line);font-size:14px;color:var(--ink-soft)}
/* Same treatment as the price rows - see .prow .val in css/redesign.css. */
.gx-row b{font-family:'Manrope',sans-serif;font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;
  font-weight:600;color:var(--ink);font-size:16px;white-space:nowrap;text-align:right}
.gx-note{font-size:13.5px;line-height:1.65;color:var(--ink-soft);margin-top:20px;min-height:66px}
.gx-cta{display:inline-flex;align-items:center;gap:9px;margin-top:6px;font-family:'JetBrains Mono',monospace;
  font-size:12px;letter-spacing:.06em;color:var(--ink);border-bottom:1px solid var(--gold);
  padding:11px 0 9px;transition:color .25s}
.gx-cta i{transition:transform .3s var(--ease)}
.gx-cta:hover{color:var(--gold)}
.gx-cta:hover i{transform:translateX(5px)}

@media(max-width:900px){
  .gx{grid-template-columns:1fr;gap:22px;padding:22px 20px}
  .gx-dial{max-width:176px}
  .gx-alloy{height:30px}
  .gx-rows{margin-top:18px}
  .gx-row{padding:11px 0}
  .gx-note{min-height:0;margin-top:16px;font-size:13px}
  .gx-chip{padding:11px 18px;font-size:19px}
  .ig-block,.gx-block{margin-top:38px}
}
@media(prefers-reduced-motion:reduce){.gx-arc,.gx-au{transition:none}}

/* ================= 3. 4C EXPLORER ================= */
.c4x-card{width:min(560px,86vw);border:1px solid var(--line);border-radius:var(--r-box);background:var(--paper);
  padding:28px;display:flex;flex-direction:column;gap:18px}
.c4x-top{display:flex;align-items:baseline;gap:12px}
.c4x-letter{font-family:'Manrope',sans-serif;font-size:40px;line-height:1;color:var(--gold)}
.c4x-name{font-size:17px;font-weight:600}
.c4x-sub{font-size:12.5px;color:var(--ink-soft);margin-top:2px}
.c4x-body{display:grid;grid-template-columns:150px 1fr;gap:22px;align-items:center}
.c4x-stage{display:grid;place-items:center;height:150px;border:1px solid var(--line);border-radius:var(--r-box);background:var(--cream-2)}
.c4x-readout{font-family:'JetBrains Mono',monospace;font-size:13px;color:var(--gold-ink);text-align:center;margin-top:10px}
.c4x-desc{font-size:13px;line-height:1.6;color:var(--ink-soft);min-height:62px}
.c4x-desc b{color:var(--ink);font-weight:600}

/* carat */
.gem{width:112px;height:112px;display:grid;place-items:center}
.gem-dot{border-radius:50%;background:radial-gradient(circle at 34% 30%,#fff,rgba(var(--gold-rgb),.35) 46%,rgba(var(--ink-rgb),.22));
  border:1px solid rgba(var(--gold-rgb),.55);transition:width .35s var(--ease),height .35s var(--ease),background .35s}
/* The element itself carries the full 24px hit area; the visible 2px rail is
   drawn by the track pseudo-elements. Styling height on the input directly
   would leave a 2px-tall target that is impossible to grab with a mouse. */
.c4x-slider{width:100%;-webkit-appearance:none;appearance:none;height:24px;background:transparent;
  outline:none;margin:4px 0;display:block}
.c4x-slider::-webkit-slider-runnable-track{height:2px;background:var(--line);border-radius:2px}
.c4x-slider::-moz-range-track{height:2px;background:var(--line);border-radius:2px}
.c4x-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:22px;height:22px;margin-top:-10px;
  border-radius:50%;background:var(--paper);border:1.5px solid var(--gold);cursor:pointer;
  box-shadow:0 3px 10px rgba(var(--ink-rgb),.16);transition:transform .2s}
.c4x-slider::-webkit-slider-thumb:hover{transform:scale(1.12)}
.c4x-slider::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--paper);
  border:1.5px solid var(--gold);cursor:pointer}
.c4x-presets{display:flex;gap:7px;flex-wrap:wrap;margin-top:14px}
.c4x-preset{font-family:'JetBrains Mono',monospace;font-size:11.5px;padding:6px 11px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:var(--paper);color:var(--ink-soft);cursor:pointer;transition:.22s}
.c4x-preset:hover{border-color:var(--gold);color:var(--gold)}
.c4x-preset[aria-pressed="true"]{background:var(--espresso);border-color:var(--espresso);color:var(--cream)}

/* scales (color / clarity / cut) */
.c4x-scale{display:flex;gap:4px;flex-wrap:wrap}
.c4x-step{flex:1 1 auto;min-width:34px;font-family:'JetBrains Mono',monospace;font-size:11px;padding:8px 4px;
  border:1px solid var(--line);border-radius:var(--r-box);background:var(--paper);color:var(--ink-soft);cursor:pointer;
  text-align:center;transition:.2s}
.c4x-step:hover{border-color:var(--gold);color:var(--gold)}
.c4x-step[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--cream)}
.c4x-groups{display:flex;justify-content:space-between;font-size:10px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--bronze-ink);margin-top:9px}
.gem-shape{width:104px;height:104px;border-radius:50%;position:relative;overflow:hidden;
  border:1px solid rgba(var(--gold-rgb),.5);transition:background .35s}
.gem-shape .incl{position:absolute;width:5px;height:5px;border-radius:50%;background:rgba(var(--ink-rgb),.62)}
.gem-light{width:104px;height:104px;border-radius:50%;position:relative;border:1px solid rgba(var(--gold-rgb),.5);
  display:grid;place-items:center;overflow:hidden}
.gem-light::before{content:"";position:absolute;inset:0;
  background:conic-gradient(from 0deg,rgba(255,255,255,var(--sparkle,.9)),rgba(var(--gold-rgb),.25),rgba(255,255,255,var(--sparkle,.9)),rgba(var(--ink-rgb),.18),rgba(255,255,255,var(--sparkle,.9)));
  transition:opacity .35s}
.gem-light b{position:relative;font-family:'JetBrains Mono',monospace;font-size:16px;color:var(--ink);
  background:var(--paper);border-radius:var(--r-btn);padding:4px 10px;border:1px solid var(--line)}
@media(max-width:640px){
  .c4x-card{padding:22px}
  .c4x-body{grid-template-columns:1fr;gap:16px}
  .c4x-stage{height:132px}
}

/* ================= 4. PINNED PROCESS ================= */
/* Deal steps in a rail. This used to be a pinned track that held the viewport
   for a screen height plus the sideways travel; the client asked for the section
   to be smaller, so the steps travel in an ordinary rail like the other lists. */
.ig-rail .pstep2{flex:0 0 min(372px,78vw)}
.pstep2{border:1px solid var(--line);border-radius:var(--r-box);background:var(--cream-2);
  padding:30px 28px 28px;min-height:296px;display:flex;flex-direction:column;transition:background .35s,border-color .35s}
.pstep2:hover{background:var(--paper);border-color:var(--gold)}
.pstep2 .pn2{width:44px;height:44px;border-radius:50%;border:1px solid var(--gold);display:grid;place-items:center;
  font-family:'JetBrains Mono',monospace;font-size:13px;color:var(--gold-ink);margin-bottom:20px;transition:.35s}
.pstep2:hover .pn2{background:var(--espresso);color:var(--cream);border-color:var(--espresso)}
.pstep2 h3{font-size:21px;font-weight:600;line-height:1.2;margin-bottom:10px}
.pstep2 p{color:var(--ink-soft);font-size:13.5px;line-height:1.6;flex:1}
.pstep2 .pmeta{margin-top:18px;padding-top:14px;border-top:1px solid var(--line);
  font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--bronze-ink)}
@media(max-width:860px){.pstep2{padding:28px 24px}.pstep2 h3{font-size:20px}}

/* ================= 5. CALCULATOR ================= */
.calc{margin-top:18px;border-radius:var(--r-box);background:var(--espresso);color:var(--cream);overflow:hidden;
  display:grid;grid-template-columns:1.15fr .85fr;position:relative}
.calc::before{content:"";position:absolute;right:-70px;top:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(var(--gold-rgb),.28),transparent 66%);pointer-events:none}
.calc-form{padding:38px;position:relative}
.calc-kicker{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--accent-on-dark)}
.calc-form h3{font-size:26px;font-weight:600;line-height:1.15;margin:14px 0 8px;color:var(--cream)}
.calc-form>p{color:rgba(var(--cream-rgb),.6);font-size:13.5px;line-height:1.55;margin-bottom:24px;max-width:420px}
.calc-field{margin-bottom:20px}
.calc-label{display:block;font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.14em;
  text-transform:uppercase;color:rgba(rgb(138 131 126 / 70%));margin-bottom:10px}
.calc-chips{display:flex;gap:8px;flex-wrap:wrap}
.calc-chip{font-size:13px;padding:10px 18px;border-radius:var(--r-btn);border:1px solid rgba(var(--cream-rgb),.22);
  background:transparent;color:rgba(var(--cream-rgb),.8);cursor:pointer;transition:.24s;font-family:inherit}
.calc-chip:hover{border-color:var(--gold);color:var(--gold)}
.calc-chip[aria-pressed="true"]{background:var(--cream);border-color:var(--cream);color:var(--espresso)}
.calc-weight{display:flex;align-items:center;gap:14px}
.calc-weight input[type="number"]{width:112px;background:rgba(var(--cream-rgb),.06);border:1px solid rgba(var(--cream-rgb),.22);
  border-radius:var(--r-box);padding:12px 14px;color:var(--cream);font-family:'JetBrains Mono',monospace;font-size:16px}
.calc-weight input[type="number"]:focus{outline:none;border-color:var(--gold)}
.calc-weight .unit{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--bronze)}
/* Same 24px hit area as .c4x-slider - see the note there. */
.calc-range{flex:1;-webkit-appearance:none;appearance:none;height:24px;background:transparent;outline:none}
.calc-range::-webkit-slider-runnable-track{height:2px;background:rgba(var(--cream-rgb),.24);border-radius:2px}
.calc-range::-moz-range-track{height:2px;background:rgba(var(--cream-rgb),.24);border-radius:2px}
.calc-range::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:22px;height:22px;margin-top:-10px;
  border-radius:50%;background:var(--gold);cursor:pointer;box-shadow:0 4px 12px rgba(0,0,0,.3);transition:transform .2s}
.calc-range::-webkit-slider-thumb:hover{transform:scale(1.12)}
.calc-range::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--gold);border:0;cursor:pointer}
.calc-out{padding:38px;background:rgba(var(--cream-rgb),.05);border-left:1px solid rgba(var(--cream-rgb),.12);
  display:flex;flex-direction:column;justify-content:center;position:relative}
.calc-out .calc-label{margin-bottom:14px}
.calc-sum{font-family:'JetBrains Mono',monospace;font-size:clamp(26px,3.4vw,38px);line-height:1.1;color:var(--accent-on-dark);
  font-weight:500;font-variant-numeric:tabular-nums}
.calc-sum small{display:block;font-size:13px;color:rgba(var(--cream-rgb),.7);margin-top:10px;font-family:'Manrope',sans-serif}
.calc-pure{margin-top:18px;padding-top:16px;border-top:1px solid rgba(var(--cream-rgb),.14);
  font-family:'JetBrains Mono',monospace;font-size:12px;color:rgba(var(--cream-rgb),.62)}
.calc-cta{margin-top:24px;display:inline-flex;align-items:center;justify-content:center;gap:9px;
  background:var(--cream);color:var(--espresso);border-radius:var(--r-btn);padding:15px 26px;font-weight:600;font-size:14px;
  transition:background .3s,box-shadow .3s}
.calc-cta:hover{background:var(--paper);box-shadow:0 14px 32px rgba(var(--espresso-rgb),.4)}
.calc-disclaimer{margin-top:14px;font-size:11px;line-height:1.5;color:rgba(var(--cream-rgb),.7)}
@media(max-width:860px){
  .calc{grid-template-columns:1fr}
  .calc-form,.calc-out{padding:26px 22px}
  .calc-out{border-left:0;border-top:1px solid rgba(var(--cream-rgb),.12)}
}
/* Comfortable finger targets: the grade buttons and both sliders were between
   24 and 32px tall, which is under the usual 40px minimum on a phone. */
@media(max-width:900px){
  .c4x-step{padding:12px 4px}
  .c4x-preset{padding:10px 14px}
  .c4x-slider,.calc-range{height:40px}
  .c4x-slider::-webkit-slider-thumb,.calc-range::-webkit-slider-thumb{margin-top:-11px;width:24px;height:24px}
  .calc-chip{padding:13px 20px}
}

/* ---------- calculator: the balance ----------
   --tilt is written by js/infographics.js from the weight. The pans carry the
   negated angle so they hang level while the beam leans, which is what a real
   beam does - rotating everything together reads as a broken toy.
   transform-box:view-box is required: without it an SVG transform-origin in px
   is resolved against the element's own bbox, and each pan spins about its own
   centre instead of the point it hangs from. */
.calc-scale{--tilt:0deg;width:132px;margin:0 0 20px;opacity:.9}
.calc-scale svg{width:100%;height:auto;display:block;fill:none;
  stroke:rgba(var(--cream-rgb),.75);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.cs-base{stroke:rgba(var(--cream-rgb),.4)}
.cs-pin{fill:var(--gold);stroke:none}
.cs-pan{stroke:var(--gold);stroke-width:1.8}
.cs-beam,.cs-hang{transform-box:view-box;transition:transform .75s cubic-bezier(.22,1.2,.36,1)}
.cs-beam{transform-origin:66px 30px;transform:rotate(var(--tilt))}
.cs-hang--l{transform-origin:18px 30px;transform:rotate(calc(-1 * var(--tilt)))}
.cs-hang--r{transform-origin:114px 30px;transform:rotate(calc(-1 * var(--tilt)))}

@media(max-width:860px){.calc-scale{width:112px;margin-bottom:16px}}
@media (prefers-reduced-motion:reduce){
  /* the beam still shows the weight, it just stops travelling to get there */
  .cs-beam,.cs-hang{transition:none}
}

/* ---------- mobile, 375 -> 768 ----------
   Mirrors the fluid block in css/redesign.css. It has to live here because
   this file loads after redesign.css, so an equally specific rule there
   would lose the tie. Same form: clamp(at375, Avw + Bpx, at768). */
@media(max-width:768px){
  .ig-title{font-size:clamp(14px, .25vw + 13px, 15px)}
  .ig-block,.gx-block{margin-top:clamp(30px, 2.04vw + 22.4px, 38px)}
  .gx{padding:clamp(20px, .51vw + 18.1px, 22px) clamp(16px, 1.02vw + 12.2px, 20px);
      gap:clamp(18px, 1.02vw + 14.2px, 22px)}
  .gx-dial{max-width:clamp(150px, 6.62vw + 125.2px, 176px)}
  .gx-mark{font-size:clamp(40px, 1.27vw + 35.2px, 45px)}
      .gx-chip {
        padding: clamp(8px, .22vw + 6px, 9px) clamp(9px, .66vw + 9.1px, 16px);
        font-size: clamp(12px, .41vw + 13.1px, 17px);
    }
  .gx-note{font-size:clamp(12.5px, .13vw + 12px, 13px);line-height:1.6}
  .c4x-card{padding:clamp(22px, 1.53vw + 16.3px, 28px) clamp(18px, 1.53vw + 12.3px, 24px);
            gap:clamp(14px, 1.02vw + 10.2px, 18px)}
  .c4x-letter{font-size:clamp(32px, 2.04vw + 24.4px, 40px)}
  .c4x-name{font-size:clamp(16px, .25vw + 15px, 17px)}
  .calc-form,.calc-out{padding:clamp(24px, 2.04vw + 16.4px, 32px) clamp(18px, 2.55vw + 8.4px, 28px)}
  .calc-sum{font-size:clamp(30px, 2.04vw + 22.4px, 38px)}
  .pstep2{padding:clamp(22px, 1.53vw + 16.3px, 28px) clamp(18px, 1.53vw + 12.3px, 24px)}
}