:root{--bg:#07111f;--card:#0d1b2a;--surface:#0a1725;--line:#23354a;--text:#f5f7fb;--muted:#9bb0c8;--accent:#24a7ff;--accent2:#52d3ff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:linear-gradient(180deg,#06101c,#091522 42%,#07111f);color:var(--text)}a{color:inherit;text-decoration:none}.wrap{width:min(1180px,92%);margin:auto}header{position:sticky;top:0;z-index:30;background:rgba(7,17,31,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}nav{height:72px;display:flex;align-items:center;gap:24px}.logo{font-weight:900;font-size:21px}.logo b{color:var(--accent)}nav .links{margin-left:auto;display:flex;gap:18px;color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 18px;border-radius:12px;background:var(--accent);font-weight:800;border:0;color:#fff;cursor:pointer}.btn.ghost{background:transparent;border:1px solid var(--line)}.project-switcher{position:sticky;top:72px;z-index:29;background:rgba(6,16,28,.94);border-bottom:1px solid var(--line)}.switch-wrap{width:min(1180px,92%);margin:auto;display:flex;gap:8px;padding:9px 0;overflow-x:auto}.switch-wrap a{white-space:nowrap;padding:9px 13px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:13px;font-weight:800;background:var(--surface)}.switch-wrap a.active{color:#fff;background:#1679d9;border-color:var(--accent)}.hero{padding:70px 0 48px}.eyebrow{color:var(--accent2);font-size:12px;font-weight:900;letter-spacing:.14em}.hero h1{font-size:clamp(42px,7vw,76px);line-height:1;letter-spacing:-.055em;margin:14px 0 20px;max-width:900px}.hero p,.lead{color:var(--muted);line-height:1.65}.hero p{font-size:19px;max-width:780px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}.section{padding:58px 0}.section h2{font-size:38px;margin:0 0 12px;letter-spacing:-.035em}.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:24px}.cat-card,.product,.model-card{border:1px solid var(--line);border-radius:18px;background:var(--surface);padding:18px;transition:.18s}.cat-card:hover,.model-card:hover{transform:translateY(-2px);border-color:#315d7c}.cat-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:#0f2639;color:var(--accent2);font-size:24px}.cat-card h3{margin:14px 0 7px;font-size:18px}.cat-card p{color:var(--muted);font-size:13px;line-height:1.5}.catalog-shell{display:grid;grid-template-columns:260px 1fr;gap:18px;align-items:start}.sidebar{position:sticky;top:134px;border:1px solid var(--line);border-radius:18px;background:var(--card);padding:16px}.sidebar h3{margin:0 0 12px}.side-list{display:grid;gap:6px}.side-list button{border:0;background:transparent;color:var(--muted);text-align:left;padding:9px 10px;border-radius:9px;cursor:pointer;font:inherit}.side-list button.active,.side-list button:hover{background:#10283d;color:#fff}.panel{border:1px solid var(--line);border-radius:18px;background:var(--card);padding:18px}.filters{display:grid;grid-template-columns:1fr 1fr 1fr 1.3fr;gap:10px}.filters select,.filters input{width:100%;padding:13px;border-radius:11px;border:1px solid var(--line);background:#071522;color:#fff;font:inherit}.count{margin:16px 0;color:var(--muted)}.model-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.model-card h3{margin:6px 0 8px;font-size:17px}.kicker{font-size:11px;color:var(--accent2);text-transform:uppercase;font-weight:900;letter-spacing:.08em}.small{color:var(--muted);font-size:13px}.chips{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px}.chip{font-size:11px;border:1px solid var(--line);border-radius:999px;padding:6px 8px;color:#c8d7e8}.pagination{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.pagination button{padding:9px 12px;border-radius:9px;border:1px solid var(--line);background:#0a1725;color:#fff;cursor:pointer}.pagination button.active{background:var(--accent)}.seo-box{margin-top:36px;border:1px solid var(--line);border-radius:18px;padding:22px;background:#0a1725}.seo-box h3{margin-top:0}.seo-box p{color:var(--muted);line-height:1.7}.cta{display:flex;justify-content:space-between;gap:20px;align-items:center;border:1px solid var(--line);border-radius:20px;padding:24px;background:#0c1b2a}.cta h2{margin:0 0 8px}footer{border-top:1px solid var(--line);margin-top:55px;padding:36px 0 48px;color:var(--muted)}
@media(max-width:950px){nav .links{display:none}.category-grid{grid-template-columns:repeat(2,1fr)}.catalog-shell{grid-template-columns:1fr}.sidebar{position:static}.filters{grid-template-columns:1fr 1fr}.model-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.category-grid,.model-grid,.filters{grid-template-columns:1fr}.hero{padding-top:48px}.hero h1{font-size:43px}.cta{align-items:flex-start;flex-direction:column}}

.part-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.part-tab{display:inline-flex;padding:8px 10px;border-radius:10px;border:1px solid var(--line);background:#081522;color:#dce7f5;font-size:12px;font-weight:700}.part-tab:hover{border-color:var(--accent);color:var(--accent2)}.model-link{color:var(--accent2);font-weight:800}.empty{grid-column:1/-1;padding:24px;border:1px dashed var(--line);border-radius:14px;color:var(--muted)}

.availability{display:inline-flex;align-items:center;gap:7px;color:#44d19d;font-size:13px;font-weight:800;margin:2px 0 12px}.part-tabs{display:flex;gap:7px;flex-wrap:wrap;margin-top:10px}.part-tab{padding:7px 9px;border:1px solid var(--line);border-radius:9px;background:#081522;color:#dfeaf8;font-size:12px;font-weight:700}.part-tab:hover{border-color:var(--accent);color:#fff}

/* Purchase contact panel */
.buy-box{border-color:rgba(36,167,255,.45);box-shadow:0 18px 45px rgba(0,0,0,.18)}
.contact-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.contact-actions .btn{width:100%;min-height:48px;text-align:center}
@media(max-width:640px){.contact-actions{grid-template-columns:1fr}}

.model-image{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px;border:1px solid var(--line);margin-bottom:14px;display:block;background:#081522}.parts-page-image{margin-top:24px;max-width:440px;width:100%;border-radius:20px;border:1px solid var(--line)}

/* iTECH unified violet theme v1 */
@font-face{font-family:"IBM Plex Sans";src:url("../assets/fonts/ibm-plex-sans-cyrillic.woff2") format("woff2");font-style:normal;font-weight:400 700;font-display:swap;unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
@font-face{font-family:"IBM Plex Sans";src:url("../assets/fonts/ibm-plex-sans-latin.woff2") format("woff2");font-style:normal;font-weight:400 700;font-display:swap}
@font-face{font-family:"Bricolage Grotesque";src:url("../assets/fonts/bricolage-grotesque-latin.woff2") format("woff2");font-style:normal;font-weight:500 800;font-display:swap}
:root{--bg:#071126;--card:#10234b;--surface:#0b1833;--line:#24375f;--text:#f4f7ff;--muted:#aebbd4;--accent:#8b5cf6;--accent2:#c9b5ff}
body{font-family:"IBM Plex Sans",Arial,sans-serif;background:radial-gradient(circle at 76% 6%,rgba(139,92,246,.16),transparent 34rem),#071126;color:var(--text)}
header{background:rgba(7,17,38,.86);border-color:rgba(255,255,255,.08);backdrop-filter:blur(16px)}
.logo,.hero h1,.section h2,.cat-card h3,.model-card h3,.cta h2{font-family:"Bricolage Grotesque","IBM Plex Sans",Arial,sans-serif}
.logo b{color:#a56eff}.btn{background:#8b5cf6;box-shadow:0 10px 28px rgba(139,92,246,.22)}.btn.ghost{background:rgba(16,35,75,.38);border-color:#24375f;box-shadow:none}
.project-switcher{background:rgba(7,17,38,.92);border-color:rgba(255,255,255,.08)}
.switch-wrap a{color:#c4cee2;background:#0b1833;border-color:#24375f}.switch-wrap a:hover{color:#fff;border-color:rgba(165,110,255,.55)}
.switch-wrap a.active{color:#fff;background:#8b5cf6;border-color:#a56eff;box-shadow:0 6px 18px rgba(139,92,246,.25)}
.eyebrow,.kicker,.model-link{color:#c9b5ff}.chip{color:#dfe8ff;border-color:#24375f}
.cat-card,.model-card,.product{background:linear-gradient(155deg,rgba(18,42,87,.90),rgba(11,26,57,.92));border-color:#24375f}
.cat-card:hover,.model-card:hover{border-color:rgba(165,110,255,.62)}
.cat-icon{color:#e9dcff;background:rgba(139,92,246,.16);border:1px solid rgba(165,110,255,.28)}
.sidebar,.panel,.seo-box,.cta{background:rgba(16,35,75,.62);border-color:#24375f}
.side-list button.active,.side-list button:hover{background:rgba(139,92,246,.18)}
.filters select,.filters input,.part-tab,.pagination button{background:#09152d;border-color:#24375f}
.part-tab:hover{border-color:#a56eff;color:#fff}.pagination button.active{background:#8b5cf6}
.buy-box{border-color:rgba(165,110,255,.48);box-shadow:0 18px 45px rgba(0,0,0,.20)}
.model-image,.parts-page-image{border-color:#24375f}
footer{border-color:rgba(255,255,255,.08)}

/* iTECH iPhone and iPad select compatibility v1 */
select,input,button{touch-action:manipulation}
select{min-height:48px;font-size:16px!important;position:relative;z-index:2;pointer-events:auto;-webkit-appearance:menulist;appearance:auto}
@supports(-webkit-touch-callout:none){select{opacity:1!important;color-scheme:dark}option{color:#fff;background:#09152d}}

/* iTECH section navigation v2 */
header .logo{white-space:nowrap;flex-shrink:0}
header nav .links{align-items:center}
header .links a.store-nav-link{display:inline-flex;align-items:center;justify-content:center;padding:8px 13px;margin-left:10px;border:1px solid #247dbc;border-radius:999px;color:#bde7ff;background:#0a2540;white-space:nowrap;font-weight:700}
header .links a.store-nav-link:hover,header .links a.store-nav-link:focus-visible{background:#11385a;border-color:#52d3ff;color:#fff}
body .project-switcher{position:sticky;top:72px;z-index:19;background:rgba(7,17,31,.94);border-bottom:1px solid var(--line)}
body .project-switcher .switch-wrap{width:min(1180px,92%);margin:auto;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:9px 0;overflow:visible}
body .project-switcher .switch-core{display:flex;align-items:center;flex-wrap:wrap;gap:8px;min-width:0}
body .project-switcher a{display:inline-flex;align-items:center;justify-content:center;white-space:nowrap;padding:9px 13px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:13px;font-weight:800;background:var(--bg)}
body .project-switcher a:hover,body .project-switcher a:focus-visible{color:#fff;border-color:var(--accent)}
body .project-switcher a.active{color:#fff;background:var(--accent);border-color:var(--accent)}
body .project-switcher a.store-nav-link{flex-shrink:0;margin-left:18px;gap:9px;color:#bde7ff!important;background:#0a2540!important;border-color:#247dbc!important;box-shadow:none!important}
body .project-switcher a.store-nav-link:hover,body .project-switcher a.store-nav-link:focus-visible{color:#fff!important;background:#11385a!important;border-color:#52d3ff!important}
body .project-switcher a.store-nav-link.active{color:#fff!important;background:#126ebd!important;border-color:#24a7ff!important;box-shadow:0 5px 18px rgba(36,167,255,.16)!important}
@media(max-width:1120px){header nav{gap:14px}header nav .links{gap:11px;font-size:14px}header .links a.store-nav-link{margin-left:0;padding:8px 10px}}
@media(max-width:950px){header nav .links{display:none}header nav>.btn{margin-left:auto}}
@media(max-width:640px){body .project-switcher .switch-wrap{flex-wrap:wrap;gap:10px}body .project-switcher .switch-core{width:100%}body .project-switcher a.store-nav-link{margin-left:0;width:100%}body .project-switcher a{font-size:12px;padding:9px 12px}}

.model-card-clickable{cursor:pointer;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}.model-card-clickable:hover,.model-card-clickable:focus-visible{transform:translateY(-2px) scale(1.018);border-color:#a56eff;box-shadow:0 16px 34px rgba(139,92,246,.20);outline:none}

.cat-card-clickable,.part-card-clickable{cursor:pointer;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.cat-card-clickable:hover,.cat-card-clickable:focus-visible,.part-card-clickable:hover,.part-card-clickable:focus-visible{transform:translateY(-2px) scale(1.018);border-color:#a56eff!important;box-shadow:0 16px 34px rgba(139,92,246,.20);outline:none}

.part-variant-card{cursor:pointer;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;text-decoration:none}.part-variant-card:hover,.part-variant-card:focus-visible{transform:translateY(-2px) scale(1.012);border-color:#a56eff;box-shadow:0 16px 34px rgba(139,92,246,.18);outline:none}

/* iTECH_PARTS request form v1 */
.parts-request-card{margin-top:24px;border:1px solid var(--line);border-radius:22px;background:rgba(16,35,75,.62);padding:22px}.parts-request-grid,.parts-select-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.field{display:flex;flex-direction:column;gap:7px;position:relative}.field.full{grid-column:1/-1}.field label{font-size:13px;font-weight:800;color:#e5ebf8}.field input,.field select,.field textarea{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:12px;background:#09152d;color:#fff;font:inherit;outline:none}.field input:focus,.field select:focus,.field textarea:focus{border-color:#a56eff;box-shadow:0 0 0 3px rgba(139,92,246,.12)}.field textarea{resize:vertical;min-height:105px}.optional-label,.form-note{color:var(--muted);font-weight:500}.form-note{line-height:1.55;font-size:13px}
.parts-delivery-mode{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0}.parts-delivery-btn{min-height:48px;border:1px solid var(--line);border-radius:12px;background:transparent;color:#e5ebf8;font:inherit;font-weight:800;cursor:pointer;transition:.18s ease}.parts-delivery-btn:hover,.parts-delivery-btn:focus-visible,.parts-delivery-btn.is-active{background:#8b5cf6;border-color:#a56eff;color:#fff}.parts-device-picker{margin:20px 0;padding:18px;border:1px solid var(--line);border-radius:18px;background:#0a1731}.parts-device-picker h3{margin:0 0 14px;font-size:21px}.parts-selected{margin-top:12px;padding:11px 13px;border-radius:12px;background:rgba(139,92,246,.12);color:#d8c8ff;font-weight:700}.parts-request-submit{width:100%;margin-top:16px}.parts-request-search-results{position:absolute;z-index:24;left:0;right:0;top:75px;max-height:300px;overflow:auto;border:1px solid var(--line);border-radius:12px;background:#09152d;box-shadow:0 18px 40px rgba(0,0,0,.34)}.parts-request-search-item{width:100%;display:block;padding:12px 14px;text-align:left;border:0;border-bottom:1px solid rgba(255,255,255,.08);background:transparent;color:#fff;cursor:pointer}.parts-request-search-item:last-child{border-bottom:0}.parts-request-search-item:hover,.parts-request-search-item:focus-visible{background:rgba(139,92,246,.18)}.parts-request-search-item small{display:block;color:var(--muted);margin-top:3px}.form-message{display:none;margin:0 0 16px;padding:12px 14px;border-radius:12px;font-weight:700}.form-message.success{display:block;background:rgba(68,209,157,.12);border:1px solid rgba(68,209,157,.45);color:#8ff0c9}.form-message.error{display:block;background:rgba(255,91,91,.1);border:1px solid rgba(255,91,91,.4);color:#ffb0b0}.honeypot{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important}
@media(max-width:650px){.parts-request-grid,.parts-select-grid,.parts-delivery-mode{grid-template-columns:1fr}.parts-request-card{padding:16px}.parts-device-picker{padding:14px}}