:root{--bg:#06111f;--bg2:#091a2e;--panel:#0b1a2d;--panel2:#10243b;--line:#253a57;--text:#eaf2ff;--muted:#9fb2cc;--blue:#1769ff;--blue2:#3b82f6;--green:#31d06b;--red:#ff5c5c;--white:#fff;--shadow:0 30px 80px rgba(0,0,0,.35)}
*{box-sizing:border-box}html,body{margin:0;font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;background:radial-gradient(circle at top,#0a1f3d,#06111f 42%,#040b14);color:var(--text)}body{min-height:100vh}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.site{min-height:100vh}.nav{height:78px;background:#05101d;color:var(--text);display:flex;align-items:center;justify-content:space-between;padding:0 44px;border-bottom:1px solid rgba(255,255,255,.08);position:sticky;top:0;z-index:50}.brand{display:flex;align-items:center;gap:12px;font-weight:900;font-size:28px}.brand-mark{width:38px;height:38px;border:7px solid var(--blue);border-right-color:#6b7c93;border-radius:50%;position:relative;box-shadow:0 0 22px rgba(23,105,255,.3)}.brand-mark:after{content:'G';position:absolute;inset:-13px 0 0 8px;font-size:29px;color:white;font-weight:900}.brand small{display:block;font-size:11px;letter-spacing:2px;color:#c6d5ea;margin-top:-4px}.brand span span{color:var(--blue2)}.nav-links{display:flex;align-items:center;gap:28px;font-weight:700}.nav-links a{color:#dbe7f6}.nav-links a:hover,.nav-links .active{color:#2f7cff}.nav-actions{display:flex;align-items:center;gap:14px}.btn{border:1px solid var(--line);background:transparent;color:inherit;border-radius:10px;padding:13px 22px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;gap:10px;cursor:pointer;font-size:15px}.btn-primary{background:linear-gradient(135deg,#1769ff,#0b54dc);border-color:#2f7cff;color:white;box-shadow:0 12px 28px rgba(23,105,255,.28)}.btn-ghost{background:rgba(255,255,255,.04);color:var(--text)}.btn-wide{width:100%}.hero,.tool-shell,.section.dark,.auth-wrap{background:var(--bg);color:var(--text);position:relative;overflow:hidden}.hero:before,.tool-shell:before,.section.dark:before,.auth-wrap:before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(47,124,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(47,124,255,.08) 1px,transparent 1px);background-size:24px 24px;opacity:.75;pointer-events:none}.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1.15fr;gap:40px;padding:74px 44px 48px;align-items:center}.eyebrow{color:#2f7cff;text-transform:uppercase;font-weight:900;letter-spacing:1.3px}.hero h1{font-size:70px;line-height:.98;margin:18px 0 22px;letter-spacing:-2px}.hero h1 span{color:#2f7cff}.lead{font-size:20px;line-height:1.55;color:#c9d6e8;max-width:620px}.checklist{list-style:none;padding:0;margin:24px 0;display:grid;gap:10px;color:#e7effc}.checklist li:before{content:'✓';color:#2f7cff;border:1px solid #2f7cff;border-radius:50%;font-size:12px;margin-right:10px;padding:1px 4px}.hero-ctas{display:flex;gap:14px;margin:28px 0}.trust-row{border-top:1px solid rgba(255,255,255,.12);border-bottom:1px solid rgba(255,255,255,.12);display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative;z-index:1}.trust-item{padding:22px 28px;border-right:1px solid rgba(255,255,255,.12);color:#dbe7f6}.trust-item b{display:block;color:#fff;margin-bottom:5px}.cad-card{background:rgba(8,20,35,.9);border:1px solid rgba(105,134,178,.45);border-radius:18px;padding:22px;box-shadow:var(--shadow)}.cad-layout{display:grid;grid-template-columns:1.1fr .72fr;gap:20px}.gear-drawing{height:460px;border:1px solid rgba(255,255,255,.12);border-radius:12px;background:rgba(2,12,22,.45);display:flex;align-items:center;justify-content:center}.param-panel{border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:16px}.param-panel h3{margin:0 0 14px}.field{display:grid;grid-template-columns:1fr 80px 52px;align-items:center;gap:6px;margin:8px 0;color:#d7e5f7;font-size:13px}.field input,.input-row input,.input-row select,.auth-card input{background:#0a1728;border:1px solid #38506d;color:white;border-radius:6px;padding:10px;width:100%}.unit{border:1px solid #38506d;border-radius:5px;padding:8px;text-align:center;color:#b8c8dd}.export-icons{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:16px}.export-icons a,.export-icons div{border:1px solid #36516f;border-radius:8px;padding:12px 5px;text-align:center;font-weight:900;background:#071425}.section{padding:60px 44px;background:#edf3f8;color:#101827}.section.dark{background:#06111f;color:var(--text)}.section-title{text-align:center;margin:0 0 28px;font-size:34px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{background:#fff;border:1px solid #dbe4ef;border-radius:16px;padding:24px;box-shadow:0 12px 34px rgba(6,17,31,.08)}.dark .card{background:#0b1a2d;border-color:#233957;color:#eaf2ff}.card h3{margin-top:0}.gear-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}.gear-tile{background:#0b1a2d;border:1px solid #294260;border-radius:12px;padding:15px;color:#fff;min-height:190px}.gear-mini{height:92px;display:flex;align-items:center;justify-content:center}.dashboard{background:#06111f;color:#eaf2ff;min-height:calc(100vh - 78px)}.dash-hero{background:#06111f;color:white;padding:42px 44px;border-bottom:1px solid #203550;position:relative}.dash-grid{display:grid;grid-template-columns:280px 1fr;gap:24px;padding:28px 44px}.sidebar,.stat,.table-card{background:#0b1a2d;border:1px solid #233957;color:#eaf2ff;border-radius:16px;box-shadow:0 10px 28px rgba(0,0,0,.18)}.sidebar{padding:18px}.sidebar a{display:block;padding:13px 14px;border-radius:10px;color:#dbe7f6;font-weight:800;margin-bottom:8px}.sidebar a.active,.sidebar a:hover{background:#1769ff;color:#fff}.dash-main{display:grid;gap:22px}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.stat{padding:22px}.stat b{font-size:32px;color:#3b82f6}.table-card{padding:24px;overflow:auto}.table{width:100%;border-collapse:collapse}.table th,.table td{text-align:left;padding:14px;border-bottom:1px solid #233957}.table th{color:#9fb2cc}.tool-shell{min-height:calc(100vh - 78px);padding:26px}.tool-grid{position:relative;z-index:1;display:grid;grid-template-columns:320px 1fr 330px;gap:18px}.tool-panel{background:rgba(9,24,41,.94);border:1px solid #2a4564;border-radius:14px;padding:18px}.tool-panel h2,.tool-panel h3{margin-top:0}.input-row{display:grid;grid-template-columns:1fr 90px 50px;gap:6px;align-items:center;margin:11px 0}.preview-box{min-height:620px;display:flex;align-items:center;justify-content:center;border:1px solid #2a4564;border-radius:14px;background:rgba(2,12,22,.45);overflow:hidden}.notice{background:#073318;color:#a6f5bd;border:1px solid #1f8748;border-radius:10px;padding:14px;margin-top:16px}.error{background:#3b0e12;color:#ffd7d7;border:1px solid #9f2534;border-radius:10px;padding:14px;margin:12px 0}.auth-wrap{min-height:calc(100vh - 78px);display:flex;align-items:center;justify-content:center;padding:40px}.auth-card{position:relative;z-index:1;background:#0b1a2d;border:1px solid #233957;border-radius:18px;padding:30px;width:min(460px,100%);box-shadow:var(--shadow)}.auth-card label{display:block;margin:14px 0 7px;color:#cbd8ea}.footer{background:#091327;color:#cbd8ea;padding:28px 44px;display:flex;justify-content:space-between}.small{color:#9fb2cc;font-size:13px}.split{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}.codebox{background:#071425;border:1px solid #253a57;border-radius:12px;padding:18px;white-space:pre-wrap;color:#cbd8ea}
@media(max-width:1100px){.tool-grid{grid-template-columns:1fr}.preview-box{min-height:420px}.hero-inner,.dash-grid,.cad-layout,.split{grid-template-columns:1fr}.trust-row,.cards,.gear-grid,.stat-grid{grid-template-columns:1fr 1fr}.hero h1{font-size:52px}.nav{height:auto;padding:18px;align-items:flex-start;gap:12px;flex-direction:column}.nav-links{flex-wrap:wrap;gap:14px}}@media(max-width:640px){.trust-row,.cards,.gear-grid,.stat-grid{grid-template-columns:1fr}.hero-inner,.section,.dash-grid{padding-left:20px;padding-right:20px}.hero h1{font-size:40px}.footer-main{flex-direction:column;gap:24px}.hero-ctas{flex-direction:column}.brand{font-size:23px}}
.footer{background:#030d1a;border-top:1px solid #172943;padding:0}.footer-main{display:flex;justify-content:space-between;align-items:flex-start;padding:48px 44px 32px;gap:40px}.footer-brand{display:flex;align-items:center;gap:14px;max-width:260px}.footer-links{display:flex;gap:48px}.footer-links>div{display:flex;flex-direction:column;gap:10px}.footer-links>div b{color:#fff;font-size:14px;margin-bottom:4px}.footer-links a{color:#6b7c93;font-size:13px;transition:color .2s}.footer-links a:hover{color:#3b82f6}.footer-bottom{border-top:1px solid #172943;padding:18px 44px;display:flex;justify-content:space-between;color:#4a5e76;font-size:13px}
.gear-type-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:1100px;margin:0 auto}.gear-type-card{background:#0b1a2d;border:1px solid #233957;border-radius:16px;padding:24px;color:#eaf2ff;text-decoration:none;display:flex;flex-direction:column;transition:border-color .2s,transform .2s}.gear-type-card:hover{border-color:#3b82f6;transform:translateY(-3px)}.gear-type-icon{width:100px;height:100px;border-radius:16px;border:1px solid;display:flex;align-items:center;justify-content:center;margin-bottom:16px}.gear-type-card h3{margin:0 0 8px;font-size:18px}.gear-type-card p{color:#9fb2cc;font-size:14px;line-height:1.6;flex:1}.gear-formats{display:flex;gap:6px;margin-top:12px;flex-wrap:wrap}.gear-formats span{background:#091a2e;border:1px solid #253a57;border-radius:5px;padding:3px 8px;font-size:11px;color:#6b8cb8;font-weight:700}
.legal-page{background:#06111f;color:#eaf2ff;min-height:calc(100vh - 78px);position:relative}.legal-page:before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(47,124,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(47,124,255,.05) 1px,transparent 1px);background-size:24px 24px;opacity:.5;pointer-events:none}.legal-inner{position:relative;z-index:1;max-width:800px;margin:0 auto;padding:60px 44px}.legal-hero{margin-bottom:40px;padding-bottom:28px;border-bottom:1px solid #233957}.legal-hero h1{font-size:42px;margin:0 0 8px}.legal-body{line-height:1.75;color:#c8d8ed}.legal-body h2{font-size:20px;margin:36px 0 10px;color:#eaf2ff;padding-top:8px;border-top:1px solid #172943}.legal-body h3{font-size:16px;color:#dbe7f6;margin:20px 0 8px}.legal-body p,.legal-body li{color:#9fb2cc;margin:0 0 12px}.legal-body ul{padding-left:20px}.legal-body a{color:#3b82f6}.legal-body a:hover{text-decoration:underline}.legal-body strong{color:#eaf2ff}
.settings-grid{display:grid;gap:18px;margin-top:16px}.setting-row{display:grid;grid-template-columns:220px 1fr;gap:16px;align-items:start}.setting-row label{color:#9fb2cc;font-size:14px;font-weight:700;padding-top:11px}.setting-row input,.setting-row select,.setting-row textarea{background:#0a1728;border:1px solid #38506d;color:white;border-radius:6px;padding:10px;width:100%;font-family:inherit;font-size:14px}.setting-row textarea{resize:vertical;min-height:60px}
.badge-spur,.badge-helical,.badge-bevel,.badge-worm,.badge-rack,.badge-internal{display:inline-block;padding:3px 9px;border-radius:5px;font-size:12px;font-weight:700;text-transform:capitalize}.badge-spur{background:#1769ff22;color:#3b82f6;border:1px solid #1769ff44}.badge-helical{background:#31d06b22;color:#31d06b;border:1px solid #31d06b44}.badge-bevel{background:#f59e0b22;color:#f59e0b;border:1px solid #f59e0b44}.badge-worm{background:#8b5cf622;color:#a78bfa;border:1px solid #8b5cf644}.badge-rack{background:#ec489922;color:#f472b6;border:1px solid #ec489944}.badge-internal{background:#06b6d422;color:#22d3ee;border:1px solid #06b6d444}
@media(max-width:1100px){.gear-type-grid{grid-template-columns:1fr 1fr}.footer-links{gap:28px}.setting-row{grid-template-columns:1fr}}
@media(max-width:640px){.gear-type-grid{grid-template-columns:1fr}.legal-inner{padding:40px 20px}.footer-main{padding:32px 20px}.footer-bottom{flex-direction:column;gap:6px;padding:14px 20px}.footer-links{flex-direction:column;gap:20px}}