/* SVT — один файл стилей на весь сайт. Цвет = логотип SVT «Trace» (#1E7BD8 буквы, #19C3E6 дорожка).
   Кнопки темнее (#1565c0) — контраст белого текста.  */
:root{--b:#1e7bd8;--bd:#1565c0;--bx:#0b2545;--ink:#0b1626;--mut:#5b7083;--ln:#e3ebf1;--bg:#f4f7fc;--warn:#fff4e5;--wt:#9a4a00}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:15px/1.55 -apple-system,"Segoe UI",Inter,Roboto,"Noto Sans TC",sans-serif;color:var(--ink);background:#fff}
a{color:inherit;text-decoration:none}.w{max-width:1200px;margin:0 auto;padding:0 20px}
.hdr{position:sticky;top:0;z-index:9;background:#fff;border-bottom:1px solid var(--ln);padding-top:env(safe-area-inset-top)}
.hdr .w{display:flex;align-items:center;gap:26px;height:62px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;white-space:nowrap}.logo b{color:var(--b)}
.nav{display:flex;gap:22px;font-size:14px;color:var(--mut)}.nav a:hover{color:var(--bd)}
.qbtn{margin-left:auto;background:var(--bd);color:#fff;font-weight:700;font-size:14px;padding:10px 16px;border-radius:10px;white-space:nowrap}
.qbtn b{background:#fff;color:var(--bd);border-radius:99px;padding:0 7px;margin-left:4px}
.hero{background:linear-gradient(180deg,#e8f1fc,#fff);padding:52px 0 36px}
.hero h1{font-size:40px;line-height:1.15;margin:0 0 12px;letter-spacing:-.02em}
.hero p{color:var(--mut);font-size:17px;max-width:680px;margin:0 0 24px}
.search{display:flex;background:#fff;border:2px solid var(--b);border-radius:14px;overflow:hidden;box-shadow:0 10px 30px rgba(30,123,216,.15)}
.search input{flex:1;min-width:0;border:0;padding:17px 18px;font-size:17px;outline:0}
.search button{border:0;background:var(--bd);color:#fff;font-weight:700;padding:0 26px;font-size:16px;cursor:pointer}
.hint{margin-top:10px;color:var(--mut);font-size:13px}.hint a,.sub a{color:var(--bd);font-weight:600}
.res{margin-top:10px}.res:empty{display:none}
.res table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--ln);border-radius:12px;overflow:hidden;font-size:14px}
.res td{padding:10px 12px;border-bottom:1px solid var(--ln)}.res .more{padding:10px 12px;color:var(--mut);font-size:13px}
.stats{display:flex;gap:36px;margin-top:28px;flex-wrap:wrap}.stats b{display:block;font-size:26px}.stats span{color:var(--mut);font-size:13px}
section{padding:40px 0}h2{font-size:24px;margin:0 0 6px}.sub{color:var(--mut);margin:0 0 20px}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{display:block;border:1px solid var(--ln);border-radius:14px;padding:16px;background:#fff;transition:.15s}
.card:hover{border-color:var(--b);box-shadow:0 8px 22px rgba(2,62,90,.08)}
.card img,.card .ph{width:100%;height:110px;object-fit:contain;margin-bottom:10px;border-radius:8px}.card .ph{background:var(--bg)}
.cm{display:flex;align-items:center;gap:6px;min-height:22px}.qty{margin-left:auto;font-weight:700;font-size:14px}
.pn{font:700 15px ui-monospace,Consolas,monospace;margin-top:6px;word-break:break-all}.mk{color:var(--mut);font-size:13px}
.ds{font-size:12px;color:#3d5466;margin-top:4px}
.tag{display:inline-block;font-size:11px;font-weight:700;padding:2px 9px;border-radius:99px;background:var(--warn);color:var(--wt)}
.tag.r{background:#fde8e8;color:#9b1c1c}.tag.g{background:#e3f6ee;color:#13653f}
.bom{display:grid;grid-template-columns:1.3fr 1fr;gap:28px;background:var(--bx);color:#fff;border-radius:18px;padding:30px}
.bom h2{color:#fff}.bom .sub{color:#a9cbe0}.bom ul{margin:0;padding-left:18px;color:#cfe5f2;line-height:2}
.bom textarea{width:100%;height:120px;border-radius:12px;border:0;padding:14px;font:13px ui-monospace,Consolas,monospace;margin-bottom:12px}
#bomres table{width:100%;margin-top:14px;font-size:13px;border-collapse:collapse}#bomres td{padding:6px 4px;border-bottom:1px solid #1d5a78}
.btn{display:inline-block;text-align:center;padding:12px 18px;border-radius:10px;font-weight:700;font-size:15px;border:1px solid #c7d5e6;background:#fff;color:var(--ink);cursor:pointer}
.btn.p{background:var(--bd);border-color:var(--bd);color:#fff}.btn.o{background:#fff}
.brands{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.brand{border:1px solid var(--ln);border-radius:12px;padding:14px;text-align:center}.brand:hover{border-color:var(--b)}
.brand b{display:block;font-size:14px}.brand span{color:var(--mut);font-size:12px}
.cats{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-top:14px}
.cat{background:var(--bg);border-radius:12px;padding:16px}.cat:hover{background:#e8f1fc}.cat b{display:block}.cat span{color:var(--mut);font-size:12px}
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;background:var(--bg);border-radius:18px;padding:28px}
.trust b{display:block;margin-bottom:4px;color:var(--bx)}.trust span{color:var(--mut);font-size:13px}
.ftr{border-top:1px solid var(--ln);padding:28px 0 calc(28px + env(safe-area-inset-bottom));color:var(--mut);font-size:13px;margin-top:30px}
.ftr .w{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.ftr a{color:var(--bd)}
/* страница детали */
.part{padding-bottom:20px}.crumb{font-size:13px;color:var(--mut);margin:18px 0}.crumb a{color:var(--bd)}
.ptop{display:grid;grid-template-columns:300px 1fr 300px;gap:24px;border:1px solid var(--ln);border-radius:18px;padding:24px}
.pimg{border:1px solid var(--ln);border-radius:12px;height:260px;display:flex;align-items:center;justify-content:center;background:#fff}
.pimg img{max-width:88%;max-height:88%}
.pinfo h1{font:800 28px ui-monospace,Consolas,monospace;margin:0;word-break:break-all}.pinfo .mk{font-size:15px;margin:4px 0 12px}
.tags{display:flex;gap:6px;flex-wrap:wrap}.desc{color:#2d4456}
.buy{background:var(--bg);border-radius:14px;padding:20px;display:flex;flex-direction:column}
.ins{font-size:13px;color:#13653f;font-weight:700}.big{font-size:34px;font-weight:800}.big small{font-size:15px}
.buy label{font-size:13px;color:var(--mut)}.buy input{padding:12px;border:1px solid #c7d5e6;border-radius:10px;font-size:16px;margin:6px 0 12px}
.buy .btn{margin-bottom:8px}.note{font-size:12px;color:var(--mut);margin-top:6px}
.eolbox{margin:20px 0;background:var(--warn);border:1px solid #fbd5a5;border-radius:14px;padding:16px 20px}.eolbox b{color:var(--wt)}
.spec{width:100%;border-collapse:collapse;font-size:14px;max-width:820px}.spec td{padding:9px 0;border-bottom:1px solid var(--ln);vertical-align:top}
.spec td:first-child{color:var(--mut);width:34%;padding-right:12px}.spec a{color:var(--bd);font-weight:600}
h1.pg{font-size:30px;margin:26px 0 6px}
.tblw{overflow-x:auto}.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th{text-align:left;font-size:12px;color:var(--mut);text-transform:uppercase;letter-spacing:.04em;padding:10px;border-bottom:2px solid var(--ln)}
.tbl td{padding:10px;border-bottom:1px solid var(--ln)}.tbl a{color:var(--bd);font-family:ui-monospace,Consolas,monospace}.r{text-align:right}
#qlist table{width:100%;border-collapse:collapse}#qlist td{padding:10px;border-bottom:1px solid var(--ln)}
#qlist input{width:110px;padding:8px;border:1px solid #c7d5e6;border-radius:8px}.qact{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}
.qact input{flex:1;min-width:220px;padding:12px;border:1px solid #c7d5e6;border-radius:10px;font-size:15px}
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom));transform:translateX(-50%);background:var(--bx);color:#fff;padding:12px 18px;border-radius:12px;font-weight:600;z-index:20}
.gal{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px}.gal img{width:100%;height:440px;object-fit:cover;border-radius:12px}
/* мобильная версия: одна колонка, крупные цели касания (≥44px) */
@media (max-width:980px){.grid{grid-template-columns:repeat(3,1fr)}.brands,.cats{grid-template-columns:repeat(3,1fr)}
.ptop{grid-template-columns:1fr 1fr}.buy{grid-column:1/-1}}
@media (max-width:700px){.w{padding:0 14px}.nav{display:none}.hdr .w{height:56px}.logo span{font-size:17px}
.hero{padding:28px 0 22px}.hero h1{font-size:28px}.hero p{font-size:15px}
.search input{padding:15px 12px;font-size:16px}.search button{padding:0 16px}
.stats{gap:18px}.stats div{flex:1 1 40%}.stats b{font-size:22px}
section{padding:28px 0}h2{font-size:20px}
.grid{grid-template-columns:1fr 1fr;gap:10px}.card{padding:12px}.card img,.card .ph{height:84px}.ds{display:none}
.bom{grid-template-columns:1fr;padding:20px}.bom ul{display:none}.gal{grid-template-columns:1fr 1fr}.gal img{height:240px}
.brands,.cats{grid-template-columns:1fr 1fr}.trust{grid-template-columns:1fr 1fr;padding:18px}
.ptop{grid-template-columns:1fr;padding:14px}.pimg{height:200px}.pinfo h1{font-size:22px}
.btn{padding:14px 18px}.hide-m{display:none}.cm{flex-wrap:wrap}.qty{margin-left:0;width:100%}}
/* ===== Дизайн 31.10.2026: 3D-логотип + лёгкие эффекты (About/COMPONENTS_SALES.md §24) =====
   Только мягкие переходы: подъём карточек, проявление при прокрутке, блик кнопок.
   prefers-reduced-motion — всё движение выключается (блок в конце). */
:root{--ease:cubic-bezier(.2,.7,.2,1)}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
::selection{background:#bfe9f8}
:focus-visible{outline:3px solid rgba(30,123,216,.45);outline-offset:2px;border-radius:6px}
/* шапка: стекло + тень после прокрутки */
.hdr{background:rgba(255,255,255,.86);-webkit-backdrop-filter:saturate(1.6) blur(12px);backdrop-filter:saturate(1.6) blur(12px);transition:box-shadow .3s,border-color .3s}
.hdr.sc{box-shadow:0 6px 24px rgba(2,62,90,.08);border-bottom-color:transparent}
.logo img{transition:transform .6s var(--ease),filter .6s;transform-origin:50% 50%}
.logo:hover img{transform:perspective(320px) rotateY(-22deg) rotateX(6deg) scale(1.06);filter:drop-shadow(4px 4px 4px rgba(0,119,182,.25))}
.nav a{position:relative;transition:color .2s}
.nav a::after{content:"";position:absolute;left:0;right:0;bottom:-5px;height:2px;border-radius:2px;background:var(--b);transform:scaleX(0);transition:transform .3s var(--ease)}
.nav a:hover::after{transform:scaleX(1)}
/* кнопки: лёгкий подъём + нажатие */
.qbtn,.btn,.search button{transition:transform .18s var(--ease),box-shadow .25s,background .25s,border-color .25s}
.qbtn:hover,.btn.p:hover,.search button:hover{background:#00659c;box-shadow:0 8px 20px rgba(0,119,182,.28);transform:translateY(-1px)}
.btn:not(.p):hover{border-color:var(--b);transform:translateY(-1px)}
.qbtn:active,.btn:active,.search button:active{transform:scale(.97)}
.qbtn b{display:inline-block;transition:transform .3s var(--ease)}.qbtn b.bump{transform:scale(1.35)}
/* hero: мягкие плывущие пятна света, 3D-логотип справа */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#eaf2fc 0%,#f6f9fe 60%,#fff 100%)}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(60px);opacity:.55;pointer-events:none}
.hero::before{width:520px;height:520px;right:-120px;top:-220px;background:radial-gradient(circle,#b5e6f9,transparent 70%);animation:drift 26s ease-in-out infinite alternate}
.hero::after{width:420px;height:420px;left:-160px;bottom:-240px;background:radial-gradient(circle,#d4f0fb,transparent 70%);animation:drift 32s ease-in-out infinite alternate-reverse}
@keyframes drift{to{transform:translate(-60px,40px) scale(1.12)}}
.hero .w{position:relative;z-index:1}
.htop{display:grid;grid-template-columns:1fr minmax(260px,400px);gap:30px;align-items:center}
.hero3d{position:relative;aspect-ratio:564/230;width:100%;margin-bottom:24px}
.hero3d img,.hero3d canvas{position:absolute;inset:0;width:100%;height:100%;transition:opacity .9s ease}
.hero3d img{object-fit:contain;padding:9% 11%;animation:floaty 7s ease-in-out infinite}
.hero3d canvas{opacity:0}.hero3d.on canvas{opacity:1}.hero3d.on img{opacity:0}
@keyframes floaty{50%{transform:translateY(-6px)}}
.js .hero h1,.js .hero .htop p{animation:fadeUp .8s var(--ease) both}.js .hero .htop p{animation-delay:.12s}
.js .hero .search{animation:fadeUp .8s .22s var(--ease) both}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.search{transition:box-shadow .3s,transform .3s var(--ease)}
.search:focus-within{box-shadow:0 0 0 5px rgba(30,123,216,.14),0 14px 34px rgba(30,123,216,.2)}
.res table,#bomres table,#bomres p{animation:fadeUp .35s var(--ease) both}
.res tr,.tbl tbody tr,#qlist tr{transition:background .2s}.res tr:hover td,.tbl tbody tr:hover td{background:#f2f6fd}
.stats b{font-variant-numeric:tabular-nums}
/* карточки, бренды, категории: подъём при наведении */
.card,.brand,.cat,.trust>div{transition:transform .3s var(--ease),box-shadow .3s,border-color .3s,background .3s}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(2,62,90,.10)}
.card img{transition:transform .5s var(--ease)}.card:hover img{transform:scale(1.05)}
.brand:hover,.cat:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(2,62,90,.08)}
.brand:hover b,.cat:hover b{color:var(--bd)}
.trust>div{border-radius:12px;padding:6px}.trust>div:hover{transform:translateY(-2px)}
.bom{position:relative;overflow:hidden;background:linear-gradient(135deg,#0b2545,#13406f)}
.bom::after{content:"";position:absolute;width:380px;height:380px;right:-140px;top:-160px;border-radius:50%;background:radial-gradient(circle,rgba(30,123,216,.35),transparent 70%);pointer-events:none}
.bom>*{position:relative;z-index:1}
.pimg img{transition:transform .6s var(--ease)}.pimg:hover img{transform:scale(1.06)}
.toast{animation:toastIn .35s var(--ease) both;box-shadow:0 10px 30px rgba(2,62,90,.25)}
@keyframes toastIn{from{opacity:0;transform:translate(-50%,12px)}to{opacity:1;transform:translate(-50%,0)}}
/* проявление при прокрутке (класс .rv ставит app.js только тем, что ниже первого экрана) */
.js .rv{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s var(--ease);transition-delay:var(--d,0s)}
.js .rv.in{opacity:1;transform:none}
@media (max-width:860px){.htop{grid-template-columns:1fr;gap:0}.hero3d{order:-1;max-width:240px;margin:0 0 6px -8px}}
@media (max-width:700px){.hero3d{max-width:190px}.card:hover{transform:none}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.js .rv{opacity:1;transform:none}}