@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@400;500;600;700;800;900&display=swap');
:root{--navy:#071427;--ink:#11243d;--muted:#536780;--cyan:#00c8e8;--pink:#f72585;--line:#d9e4ee;--bg:#f2f7fb}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:400 1rem/1.8 Vazirmatn,Tahoma,sans-serif}button,input,select,textarea{font:inherit}a{color:inherit;text-decoration:none}.shell{max-width:1180px;width:calc(100% - 36px);margin:auto}header,footer{background:var(--navy);color:white}.mast{display:flex;align-items:center;gap:24px;min-height:78px}.brand{font-size:1.45rem;font-weight:900;white-space:nowrap;line-height:1}.brand span{color:var(--cyan)}.brand small{display:block;font-size:.8rem;margin-top:7px;font-weight:600}.mast nav{display:flex;gap:18px;flex-wrap:wrap;margin-inline-start:auto}.mast nav a{font-size:.95rem;color:#d3e4f2}.mast nav a:hover,.mast nav a:focus{color:var(--cyan)}.call{color:var(--cyan);font-weight:800;white-space:nowrap}.intro{padding:42px 0 25px}.intro.narrow{padding-bottom:12px}.eyebrow{display:block;color:#066c82;font-weight:900;margin-bottom:9px}.intro h1{font-size:clamp(1.85rem,4vw,3.05rem);line-height:1.35;margin:0 0 12px}.intro p{color:var(--muted);margin:0;max-width:850px}.back{display:inline-block;color:#0a7089;font-weight:700;margin-bottom:22px}.catalog-tools{background:white;border:1px solid var(--line);border-radius:18px;padding:18px;display:grid;grid-template-columns:auto minmax(160px,1fr) auto minmax(150px,260px) auto;gap:12px;align-items:center;box-shadow:0 14px 30px #0a244008}.catalog-tools label{font-weight:800;white-space:nowrap}.catalog-tools input,.catalog-tools select,.field input,.field select,.field textarea{width:100%;border:1px solid #b7c9da;background:#fbfdff;border-radius:10px;color:var(--ink);padding:10px 13px;min-height:48px}.catalog-tools input:focus,.catalog-tools select:focus,.field input:focus,.field select:focus,.field textarea:focus{outline:3px solid #a3eaf6;border-color:#147c94}.catalog-tools #count{font-size:.88rem;color:var(--muted);white-space:nowrap}.catalog-list{padding:15px 0 40px}.category{margin:17px 0 24px}.category h2{font-size:1.33rem;margin:0 0 11px}.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:11px}.product-card{display:flex;flex-direction:column;gap:8px;background:white;border:1px solid var(--line);border-radius:15px;padding:17px;min-height:125px;transition:transform .15s,border-color .15s}.product-card:hover,.product-card:focus-visible{border-color:#3ac4dc;transform:translateY(-2px)}.product-card strong{font-size:1rem;line-height:1.5}.product-card span{color:#136e82;font-size:.85rem;margin-top:auto}.catalog-note{color:var(--muted);font-size:.9rem;margin:0 0 45px}.workspace{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(310px,.82fr);gap:20px;align-items:start;margin:0 0 65px}.paper{background:white;border:1px solid var(--line);border-radius:20px;padding:25px;box-shadow:0 14px 35px #0a244009}.paper h2{margin:0 0 19px;font-size:1.5rem}.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field{min-width:0}.field.full{grid-column:1/-1}.field label{display:block;font-weight:800;font-size:.94rem;margin-bottom:6px}.field .hint{font-size:.8rem;color:var(--muted);display:block;margin-top:4px}.field textarea{resize:vertical}.field input[type=number]{direction:ltr;text-align:right}.field input:invalid{border-color:#bd4565}.summary-panel{background:var(--navy);color:white;position:sticky;top:16px}.summary-panel h2{color:white}.summary-list{list-style:none;margin:0;padding:0}.summary-list li{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid #31506b;padding:8px 0;font-size:.9rem}.summary-list b{text-align:left;font-weight:600}.calculation{color:#b5edfa;margin:16px 0;line-height:1.6}.quote-alert{background:#18334e;border-right:4px solid #ffd43b;border-radius:8px;padding:13px;margin:16px 0;color:#e4eef6;font-size:.88rem}.send{display:block;text-align:center;background:var(--cyan);border-radius:11px;color:var(--navy);padding:12px 16px;font-weight:900}.send:hover{background:#8eeaf9}.send[aria-disabled=true]{opacity:.5;pointer-events:none}.small{color:#bed0e0;font-size:.83rem;margin-bottom:0}footer{padding:24px 0;color:#c6d7e6}footer .shell{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}footer a{color:var(--cyan)}:focus-visible{outline:3px solid var(--pink);outline-offset:3px}
@media(max-width:900px){.cards{grid-template-columns:repeat(3,minmax(0,1fr))}.mast{flex-wrap:wrap;padding:16px 0}.mast nav{order:3;width:100%;margin:0}.workspace{grid-template-columns:1fr}.summary-panel{position:static}.catalog-tools{grid-template-columns:auto 1fr auto 1fr}.catalog-tools #count{grid-column:1/-1}}
@media(max-width:620px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.catalog-tools{display:block}.catalog-tools label{display:block;margin:7px 0 4px}.catalog-tools #count{display:block;margin-top:9px}.field-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.intro{padding-top:25px}.paper{padding:19px}.mast nav{gap:12px}.call{margin-inline-start:auto}}
@media(max-width:390px){.cards{grid-template-columns:1fr}.product-card{min-height:90px}}

.price-line{color:var(--cyan);font-size:1.35rem;font-weight:900;margin:14px 0}.price-line:empty{display:none}
.priority-price{margin:22px 0;padding:22px;border:1px solid #b8e9f1;border-radius:18px;background:#effcff}.priority-price h2{margin:0 0 8px}.priority-price p{margin:0 0 14px;color:#38536b}.priority-price div{display:flex;gap:10px;flex-wrap:wrap}.priority-price a{display:inline-block;padding:8px 14px;border-radius:10px;background:#071427;color:#fff;font-weight:800}