:root{--navy:#123047;--blue:#1c5274;--orange:#f28c28;--ink:#17232c;--muted:#667681;--line:#dce4e8;--bg:#f5f7f8;--white:#fff;--green:#27805d}*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55}a{color:var(--blue);text-decoration:none}.site-header{height:72px;background:var(--navy);color:#fff;display:flex;align-items:center;padding:0 max(24px,calc((100% - 1180px)/2));gap:36px;position:sticky;top:0;z-index:5;box-shadow:0 2px 12px #0003}.brand{color:#fff;font-size:24px;font-weight:800;letter-spacing:-1px}.brand span{color:var(--orange)}.brand small{font-size:10px;letter-spacing:2px;margin-left:5px}.site-header nav{display:flex;gap:25px;margin-left:auto}.site-header nav a{color:#dce8ef;font-weight:600}.site-header nav a:hover{color:#fff}.nav-toggle{display:none;margin-left:auto;background:none;border:0;color:#fff;font-size:25px}.container{max-width:1180px;margin:0 auto;padding:34px 24px 70px;min-height:calc(100vh - 180px)}.hero{background:linear-gradient(120deg,var(--navy),#23678c);color:#fff;padding:42px;border-radius:16px;margin-bottom:28px;display:grid;grid-template-columns:1.7fr 1fr;gap:30px}.hero h1{font-size:clamp(30px,5vw,48px);line-height:1.08;margin:0 0 14px}.hero p{color:#d6e6ef;font-size:18px;max-width:700px}.hero-card{background:#ffffff12;border:1px solid #ffffff33;padding:22px;border-radius:12px}.eyebrow{text-transform:uppercase;color:var(--orange);font-weight:800;font-size:12px;letter-spacing:1.5px}.toolbar,.panel,.card,.specs,.form-card{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 3px 14px #1532470b}.toolbar{padding:18px;display:grid;grid-template-columns:2fr repeat(3,1fr) auto;gap:12px;margin-bottom:25px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{overflow:hidden;display:flex;flex-direction:column}.card img{width:100%;height:195px;object-fit:cover;background:#edf2f4}.card-body{padding:20px;display:flex;flex-direction:column;flex:1}.card h2{font-size:20px;margin:6px 0}.meta{color:var(--muted);font-size:14px}.tag{display:inline-block;background:#e8f1f5;color:var(--blue);padding:4px 9px;border-radius:20px;font-size:12px;font-weight:700;margin:3px 4px 3px 0}.available{color:var(--green);font-weight:700}.actions{display:flex;gap:9px;margin-top:auto;padding-top:18px}.btn,button,input[type=submit]{display:inline-block;background:var(--orange);color:#fff;border:0;border-radius:7px;padding:11px 16px;font-weight:750;cursor:pointer}.btn.secondary{background:var(--navy)}.btn.light{background:#e8eef2;color:var(--navy)}input,select,textarea{width:100%;border:1px solid #cbd7dd;border-radius:7px;padding:11px 12px;background:#fff;font:inherit}textarea{min-height:120px}.field label{display:block;font-size:13px;font-weight:750;margin-bottom:5px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-card{padding:26px;max-width:850px}.product{display:grid;grid-template-columns:1fr 1.15fr;gap:35px}.product-image{width:100%;border-radius:12px;border:1px solid var(--line)}.product h1{font-size:36px;line-height:1.15}.spec-list{display:grid;grid-template-columns:1fr 1fr}.spec-list div{padding:12px;border-bottom:1px solid var(--line)}.spec-list strong{display:block;font-size:12px;color:var(--muted);text-transform:uppercase}.alert{padding:14px 18px;border-radius:8px;margin-bottom:20px;background:#e8f1f5}.alert.success{background:#e5f5ed;color:#176444}.alert.error{background:#fdebea;color:#9b2722}.selector-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.result{border-left:4px solid var(--orange)}table{width:100%;border-collapse:collapse;background:#fff;border-radius:10px;overflow:hidden}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--line)}th{background:#eaf0f3}.admin-nav{display:flex;gap:10px;margin-bottom:20px}.empty{text-align:center;padding:50px;background:#fff;border:1px dashed #bdcbd2;border-radius:12px;color:var(--muted)}footer{background:#0d2536;color:#c7d5de;display:flex;justify-content:space-between;padding:28px max(24px,calc((100% - 1180px)/2))}@media(max-width:850px){.hero,.product{grid-template-columns:1fr}.grid{grid-template-columns:repeat(2,1fr)}.toolbar{grid-template-columns:1fr 1fr}.toolbar .search{grid-column:1/-1}.selector-steps{grid-template-columns:1fr}.site-header nav{display:none;position:absolute;top:72px;left:0;right:0;background:var(--navy);padding:20px;flex-direction:column}.site-header nav.open{display:flex}.nav-toggle{display:block}}@media(max-width:560px){.grid,.form-grid,.spec-list{grid-template-columns:1fr}.toolbar{grid-template-columns:1fr}.hero{padding:28px}.container{padding:24px 15px 55px}footer{display:block}.actions{flex-direction:column}}