/* ============================================================
   INVARD — Home page styles (layered on card.css tokens)
   Engineering-document aesthetic: white paper, grey plates,
   one decisive signal-yellow. Reuses :root tokens from card.css.
   ============================================================ */

/* ---------- SHARED SECTION SCAFFOLD ---------- */
.sec{padding:56px 0;border-top:1px solid var(--line-2)}
.sec.tight{padding:40px 0}
.sec.paper2{background:var(--paper-2)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap}
.sec-head .sh-l{max-width:62ch}
.eyebrow{font-family:'JetBrains Mono',monospace;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--gray);display:flex;align-items:center;gap:10px;margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--yellow);flex:none}
.h2{font-family:'Golos Text',sans-serif;font-weight:800;font-size:clamp(24px,3vw,33px);line-height:1.05;letter-spacing:-.018em}
.sub{font-size:16px;color:var(--ink-2);margin-top:10px;max-width:70ch;line-height:1.5}
.link-more{font-family:'JetBrains Mono',monospace;font-size:12.5px;letter-spacing:.04em;color:var(--ink);font-weight:600;display:inline-flex;align-items:center;gap:7px;white-space:nowrap}
.link-more svg{width:15px;height:15px;color:var(--yellow-d)}
.link-more:hover{color:var(--yellow-d)}

/* ---------- HERO (split) ---------- */
.hhero{padding:50px 0 14px}
.hhero-split{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.hhero h1{font-family:'Golos Text',sans-serif;font-weight:800;font-size:clamp(36px,4.6vw,56px);line-height:.99;letter-spacing:-.022em;margin:8px 0 16px}
.hhero h1 .y{color:var(--ink);box-shadow:inset 0 -.28em 0 var(--yellow-soft)}
.hhero .lead{font-size:18px;color:var(--ink-2);font-weight:500;max-width:46ch;line-height:1.45}
.hhero-cta{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:26px}
.hhero-note{font-size:12.5px;color:var(--gray);margin-top:13px}
/* hero gallery — cover-photo overrides поверх card.css .stage/.thumbs/.thumb */
.hstage{position:relative;display:flex;flex-direction:column}
.hstage .stage{aspect-ratio:1/.92;background:#1c1a18;justify-content:flex-start;align-items:flex-start}
.hstage .stage::after{content:none}
.hstage .stage::before{background:linear-gradient(to bottom,transparent 55%,rgba(0,0,0,.45) 100%)}
.hstage .stage img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}
.hstage .stage .cap{color:#e8e4df;background:rgba(0,0,0,.46)}
.hstage .thumbs{margin-top:10px}
.hstage .thumbs .thumb{aspect-ratio:16/10;padding:0;overflow:hidden}
.hstage .thumbs .thumb img{max-height:none;width:100%;height:100%;object-fit:cover;object-position:center}

/* benefit bullets in hero */
.hbenefits{display:flex;flex-direction:column;gap:11px;margin-top:22px}
.hbenefit{display:grid;grid-template-columns:24px 1fr;gap:12px;align-items:start}
.hbenefit .ic{width:24px;height:24px;border-radius:6px;background:var(--yellow-soft);display:flex;align-items:center;justify-content:center;margin-top:1px}
.hbenefit .ic svg{width:14px;height:14px;color:var(--yellow-d)}
.hbenefit span{font-size:14.5px;line-height:1.4;color:var(--ink-2)}
.hbenefit b{color:var(--ink);font-weight:700}

/* ---------- DARK HERO (variant C) ---------- */
.hhero-dark{background:#1C1B18;color:#fff;border-radius:var(--radius-lg,10px);overflow:hidden;position:relative}
.hhero-dark .inner{position:relative;z-index:2;padding:54px 52px;max-width:760px}
.hhero-dark::after{content:"";position:absolute;right:-120px;top:50%;transform:translateY(-50%);width:520px;height:520px;border:1.5px solid rgba(251,186,0,.22);border-radius:50%}
.hhero-dark::before{content:"";position:absolute;right:-30px;top:50%;transform:translateY(-50%);width:300px;height:300px;border:1.5px solid rgba(251,186,0,.16);border-radius:50%}
.hhero-dark .eyebrow{color:var(--yellow)}
.hhero-dark .eyebrow::before{background:var(--yellow)}
.hhero-dark h1{color:#fff}
.hhero-dark h1 .y{color:var(--yellow);box-shadow:none}
.hhero-dark .lead{color:rgba(255,255,255,.74)}

/* ---------- KEY BADGES ROW ---------- */
.badge-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.kbadge{display:inline-flex;align-items:center;gap:9px;font-family:'JetBrains Mono',monospace;font-size:11.5px;letter-spacing:.03em;color:var(--ink);background:var(--paper);border:1px solid var(--line);border-radius:30px;padding:8px 14px 8px 11px;font-weight:600}
.kbadge .dot{width:16px;height:16px;border-radius:50%;background:var(--yellow);display:flex;align-items:center;justify-content:center;flex:none}
.kbadge .dot svg{width:10px;height:10px;color:var(--ink)}
.hhero-dark .kbadge{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);color:#fff}

/* ---------- QUICK-FIND BAR ---------- */
.qfind{display:flex;gap:8px;align-items:stretch;background:var(--paper);border:1.5px solid var(--line);border-radius:10px;padding:6px;max-width:580px;margin-top:24px;transition:border-color .15s, box-shadow .15s}
.qfind:focus-within{border-color:var(--yellow);box-shadow:0 0 0 4px rgba(251,186,0,.15)}
.qfind .qf-in{flex:1;display:flex;align-items:center;gap:12px;padding:0 14px;min-height:44px}
.qfind .qf-in svg{width:20px;height:20px;flex:none;color:var(--gray)}
.qfind .qf-in input{flex:1;border:0;outline:0;background:transparent;font-family:'Golos Text',sans-serif;font-size:16px;line-height:1.4;color:var(--ink);padding:0;margin:0;height:44px;width:100%;-webkit-appearance:none;appearance:none;box-shadow:none;border-radius:0}
.qfind .qf-in input:focus{outline:0;box-shadow:none}
.qfind .qf-in input::placeholder{color:var(--gray);opacity:1}
.prod-tile{transition:opacity .2s, box-shadow .2s}
.prod-tile.dim{opacity:.22;pointer-events:none}
.prod-tile.hit{box-shadow:0 0 0 2px var(--yellow), 0 6px 22px rgba(251,186,0,.18)}
.qfind .qf-go{font-family:'Golos Text',sans-serif;font-weight:600;font-size:15px;background:var(--yellow);color:var(--ink);border:none;border-radius:7px;padding:0 22px;min-height:44px;cursor:pointer;white-space:nowrap;transition:background .15s}
.qfind .qf-go:hover{background:var(--yellow-d,#e0a600)}
.qf-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:13px}
.qf-tag{font-family:'JetBrains Mono',monospace;font-size:11.5px;color:var(--gray);border:1px solid var(--line);border-radius:30px;padding:5px 12px;cursor:pointer;transition:.15s}
.qf-tag:hover{border-color:var(--yellow);color:var(--ink);background:var(--yellow-tint,#fffdf6)}

/* ---------- PRODUCT GRID (flagship cards) ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.prod-grid.four{grid-template-columns:repeat(4,1fr)}
.prod-tile{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.15s;text-decoration:none;color:inherit}
.prod-tile:hover{border-color:var(--gray);box-shadow:0 8px 24px rgba(0,0,0,.06)}
.prod-tile.flag{border-color:var(--line)}
.pt-media{position:relative;background:var(--paper-2);aspect-ratio:1/.82;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--line-2);overflow:hidden}
.pt-media::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 42%,#fff 0%,var(--paper-2) 75%)}
.pt-media img{position:relative;max-height:78%;width:auto;object-fit:contain;filter:drop-shadow(0 12px 18px rgba(0,0,0,.12))}
.pt-flagtag{position:absolute;top:12px;left:12px;z-index:2;font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.08em;text-transform:uppercase;font-weight:700;color:var(--ink);background:var(--yellow);padding:4px 9px;border-radius:30px}
.pt-soon{position:absolute;top:12px;left:12px;z-index:2;font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.08em;text-transform:uppercase;font-weight:700;color:var(--gray);background:var(--paper);border:1px solid var(--line);padding:3px 9px;border-radius:30px}
.pt-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1}
.pt-prin{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--gray);margin-bottom:7px;line-height:1.3}
.pt-name{font-family:'Golos Text',sans-serif;font-weight:800;font-size:21px;letter-spacing:-.01em;line-height:1}
.pt-desc{font-size:13.5px;color:var(--ink-2);line-height:1.42;margin-top:9px}
.pt-spec{display:flex;gap:7px;flex-wrap:wrap;margin-top:14px}
.pt-spec .s{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--ink);background:var(--paper-2);border:1px solid var(--line-2);border-radius:4px;padding:4px 8px}
.pt-spec .s b{color:var(--yellow-d)}
.pt-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:16px}
.pt-cta{font-family:'Golos Text',sans-serif;font-weight:600;font-size:13.5px;color:var(--ink);display:inline-flex;align-items:center;gap:7px}
.pt-cta svg{width:15px;height:15px;color:var(--yellow-d);transition:.15s}
.prod-tile:hover .pt-cta svg{transform:translateX(3px)}
.pt-price{font-family:'JetBrains Mono',monospace;font-size:11.5px;color:var(--gray)}

/* ---------- PRINCIPLE RAIL ---------- */
.prin-rail{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.prin-cell{background:var(--paper);padding:20px 18px;display:flex;flex-direction:column;gap:8px;text-decoration:none;color:inherit;transition:.15s;min-height:120px}
.prin-cell:hover{background:var(--yellow-tint,#fffdf6)}
.prin-cell .pic{width:26px;height:26px;color:var(--yellow-d)}
.prin-cell .pic svg{width:26px;height:26px;stroke-width:1.7}
.prin-cell .pn{font-weight:700;font-size:15px;color:var(--ink)}
.prin-cell .pd{font-size:12.5px;color:var(--gray);line-height:1.35;margin-top:auto}

/* ---------- TRUST STRIP ---------- */
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.trust-cell{background:var(--paper);padding:22px 20px;display:flex;flex-direction:column;gap:6px}
.trust-cell .tv{font-family:'JetBrains Mono',monospace;font-weight:700;font-size:21px;color:var(--ink);line-height:1}
.trust-cell .tv .u{font-size:12px;color:var(--gray);font-weight:400}
.trust-cell .tl{font-size:12.5px;color:var(--ink-2);line-height:1.35}
.trust-cell .tk{font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--yellow-d);font-weight:700}

/* cert chips */
.cert-row{display:flex;gap:10px;flex-wrap:wrap}
.cert-chip{display:inline-flex;align-items:center;gap:9px;background:var(--paper);border:1px solid var(--line);border-radius:30px;padding:9px 16px 9px 11px;font-size:13px;font-weight:600;color:var(--ink)}
.cert-chip .ck{width:18px;height:18px;border-radius:50%;background:var(--yellow);display:flex;align-items:center;justify-content:center;flex:none}
.cert-chip .ck svg{width:11px;height:11px;color:var(--ink)}

/* ---------- INDUSTRIES GRID ---------- */
.ind-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.ind-card{position:relative;border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px;background:var(--paper);text-decoration:none;color:inherit;transition:.15s;display:flex;flex-direction:column;gap:10px;min-height:150px}
.ind-card:hover{border-color:var(--gray);background:var(--yellow-tint,#fffdf6)}
.ind-card .ii{width:30px;height:30px;color:var(--ink)}
.ind-card .ii svg{width:30px;height:30px;stroke-width:1.6}
.ind-card .in{font-weight:700;font-size:16px}
.ind-card .id{font-size:13px;color:var(--ink-2);line-height:1.4}
.ind-card .ip{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--gray);margin-top:auto;display:flex;gap:6px;flex-wrap:wrap}
.ind-card .ip span{border:1px solid var(--line-2);border-radius:4px;padding:2px 7px}

/* ---------- PRODUCT FINDER ---------- */
.finder{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg,10px);padding:30px 30px 26px;box-shadow:0 8px 24px rgba(0,0,0,.05)}
.finder-grid{display:grid;grid-template-columns:repeat(3,1fr) auto;gap:14px;align-items:end}
.fld{display:flex;flex-direction:column;gap:7px}
.fld label{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--gray);font-weight:600}
.fld select{font-family:'Golos Text',sans-serif;font-size:14.5px;color:var(--ink);background:var(--paper);border:1.5px solid var(--line);border-radius:6px;padding:11px 12px;cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23727271' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 11px center}
.fld select:focus{outline:none;border-color:var(--yellow)}
.finder .btn-find{font-family:'Golos Text',sans-serif;font-weight:600;font-size:15px;background:var(--yellow);color:var(--ink);border:none;border-radius:6px;padding:13px 24px;cursor:pointer;height:46px;white-space:nowrap}
.finder .btn-find:hover{background:var(--yellow-d)}
.finder-out{margin-top:22px;border-top:1px solid var(--line-2);padding-top:20px;display:none}
.finder-out.show{display:block}
.finder-out .fo-head{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--gray);margin-bottom:14px}
.fo-rec{display:flex;gap:16px;align-items:center;border:1px solid var(--line);border-left:3px solid var(--yellow);border-radius:0 6px 6px 0;padding:14px 18px;background:var(--yellow-tint,#fffdf6);text-decoration:none;color:inherit}
.fo-rec img{width:64px;height:64px;object-fit:contain;flex:none}
.fo-rec .fr-name{font-weight:800;font-size:18px;font-family:'Golos Text',sans-serif}
.fo-rec .fr-why{font-size:13px;color:var(--ink-2);margin-top:3px;line-height:1.4}
.fo-rec .fr-go{margin-left:auto;color:var(--yellow-d);flex:none}
.fo-rec .fr-go svg{width:22px;height:22px}

/* ---------- IMPORT SUBSTITUTION TABLE ---------- */
.subst{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.subst-row{display:grid;grid-template-columns:1.1fr 56px 1fr 1.2fr;gap:0;align-items:center;border-top:1px solid var(--line-2)}
.subst-row:first-child{border-top:none}
.subst-head{background:var(--gray);color:#fff}
.subst-head .sc{font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;font-weight:600;padding:13px 18px}
.subst-row .sc{padding:16px 18px;font-size:14px}
.subst-row .imp{color:var(--gray);text-decoration:line-through;text-decoration-color:var(--line)}
.subst-row .arr{display:flex;align-items:center;justify-content:center;color:var(--yellow-d)}
.subst-row .arr svg{width:20px;height:20px}
.subst-row .inv{font-family:'Golos Text',sans-serif;font-weight:800;font-size:16px}
.subst-row .inv a{color:var(--ink);border-bottom:2px solid var(--yellow)}
.subst-row .note{font-size:12.5px;color:var(--ink-2);line-height:1.35}
.subst-row:hover{background:var(--yellow-tint,#fffdf6)}

/* ---------- CTA BAND ---------- */
.cta-band{background:var(--gray);border-radius:var(--radius-lg,10px);padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;color:#fff}
.cta-band h3{font-family:'Golos Text',sans-serif;font-weight:800;font-size:26px;letter-spacing:-.01em;line-height:1.1}
.cta-band p{color:rgba(255,255,255,.78);font-size:14.5px;margin-top:8px;max-width:52ch}
.cta-band .cb-act{display:flex;gap:12px;flex-wrap:wrap}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.4);color:#fff}
.cta-band .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}

/* ---------- FOOTER ---------- */
.home-foot{background:var(--ink);color:var(--gray-l);padding:52px 0 30px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.home-foot .logo{height:28px;filter:brightness(0) invert(1) opacity(.85);margin-bottom:16px}
.home-foot .fcol h4{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--gray-l);margin-bottom:14px;font-weight:600}
.home-foot .fcol a{display:block;color:rgba(255,255,255,.7);font-size:14px;padding:5px 0;transition:.15s}
.home-foot .fcol a:hover{color:var(--yellow)}
.home-foot .fabout{font-size:13.5px;line-height:1.5;color:rgba(255,255,255,.55);max-width:34ch}
.home-foot .fphone{font-family:'JetBrains Mono',monospace;color:#fff;font-weight:600;font-size:17px;margin-top:14px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:38px;padding-top:22px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:12px;color:rgba(255,255,255,.45)}

/* SEO link cluster (the "ёлочка" relocated to footer per CLAUDE.md) */
.seo-cloud{display:flex;gap:8px 14px;flex-wrap:wrap;margin-top:14px}
.seo-cloud a{color:rgba(255,255,255,.4);font-size:12px;padding:2px 0}
.seo-cloud a:hover{color:var(--yellow)}

/* keep header nav visible on narrower widths (card.css hides it ≤980 with no
   replacement) — drop it to a second, horizontally-scrollable row */
@media(max-width:980px){
  header.top .top-bar{flex-wrap:wrap;height:auto;padding-top:10px;padding-bottom:10px;row-gap:9px}
  header.top nav.main{display:flex!important;order:3;width:100%;margin-left:0;gap:18px;overflow-x:auto;padding-bottom:2px;-webkit-overflow-scrolling:touch}
  header.top nav.main a{white-space:nowrap;flex:none}
  header.top .top-right{margin-left:auto}
}

/* ---------- RESPONSIVE ---------- */
@media(max-width:1080px){
  .hhero-split{grid-template-columns:1fr;gap:32px}
  .prod-grid,.prod-grid.four{grid-template-columns:repeat(2,1fr)}
  .prin-rail{grid-template-columns:repeat(2,1fr)}
  .trust{grid-template-columns:repeat(2,1fr)}
  .ind-grid{grid-template-columns:repeat(2,1fr)}
  .finder-grid{grid-template-columns:1fr 1fr;gap:12px}
  .finder .btn-find{grid-column:1/-1}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .prod-grid,.prod-grid.four,.prin-rail,.trust,.ind-grid{grid-template-columns:1fr}
  .subst-row{grid-template-columns:1fr 40px 1fr;gap:0}
  .subst-row .note{display:none}
  .subst-head .sc:last-child{display:none}
  .finder-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .cta-band{padding:30px 24px}
}