:root{--ink:#14161a;--muted:#5b6270;--bg:#fff;--alt:#f5f1ea;--brand:#111827;--brand2:#1f2a44;--line:#e3ded4;--ok:#1a7f4b;--err:#c62828}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55}
a{color:inherit}
.nav{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:24px;padding:14px 5vw;background:#fff;border-bottom:1px solid var(--line)}
.nav nav{display:flex;gap:20px;margin-left:auto}
.nav nav a{text-decoration:none;color:var(--muted);font-size:.95rem}
.nav nav a:hover{color:var(--ink)}
.logo{font-weight:800;font-size:1.4rem;letter-spacing:-.02em;text-decoration:none}
.logo span{color:var(--brand)}
.btn{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:10px;padding:12px 20px;font-weight:700;font-size:1rem;cursor:pointer;text-decoration:none}
.btn:hover{filter:brightness(.93)}
.btn.small{padding:9px 14px;font-size:.9rem}
.btn.big{width:100%;padding:15px;font-size:1.05rem;margin-top:8px}
.btn.ghost{background:transparent;color:var(--brand2);border:2px solid var(--brand2)}
.btn:disabled{opacity:.6;cursor:wait}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:64px 5vw;background:linear-gradient(180deg,#fff,var(--alt))}
.eyebrow{color:var(--brand);font-weight:700;letter-spacing:.06em;text-transform:uppercase;font-size:.8rem;margin:0}
h1{font-size:clamp(2.2rem,5vw,3.6rem);line-height:1.05;margin:.3em 0;letter-spacing:-.03em}
.lead{font-size:1.15rem;color:var(--muted);max-width:56ch}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0}
.trust{list-style:none;padding:0;margin:0;display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:.92rem}
.hero-art{position:relative;height:320px;perspective:900px}
.patch{position:absolute;display:grid;place-items:center;text-align:center;font-weight:900;color:#fff;transform-style:preserve-3d;transform:rotate(var(--r,0deg)) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transition:transform .15s ease-out;box-shadow:1px 1px 0 rgba(0,0,0,.55),2px 2px 0 rgba(0,0,0,.5),3px 3px 0 rgba(0,0,0,.45),4px 4px 0 rgba(0,0,0,.4),5px 5px 0 rgba(0,0,0,.35),6px 6px 0 rgba(0,0,0,.3),0 24px 34px rgba(0,0,0,.35);border:5px dashed rgba(255,255,255,.7);outline:6px solid var(--c)}
.p1{--c:#111827;background:#111827;width:190px;height:190px;border-radius:50%;left:12%;top:18%;font-size:1.6rem;--r:-8deg}
.p2{--c:#1f2a44;background:#1f2a44;width:240px;height:90px;border-radius:14px;right:4%;top:52%;font-size:1.2rem;--r:6deg}
.section{padding:64px 5vw}
.section.alt{background:var(--alt)}
.section h2{font-size:2rem;margin:0 0 24px;letter-spacing:-.02em}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:18px}
.step{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}
.step b{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--brand);color:#fff}
.step h3{margin:12px 0 4px}.step p{margin:0;color:var(--muted)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;cursor:pointer;transition:.15s}
.card:hover{transform:translateY(-3px);box-shadow:0 8px 20px rgba(0,0,0,.08)}
.card h3{margin:0 0 6px}.card p{margin:0 0 8px;color:var(--muted);font-size:.95rem}
.card .from{font-weight:700;color:var(--brand)}
.order-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:28px;align-items:start}
form label{display:block;font-weight:600;font-size:.92rem;margin-bottom:14px}
input,select,textarea{width:100%;margin-top:6px;padding:11px 12px;border:1px solid #cfc9bd;border-radius:9px;font:inherit;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand);border-color:transparent}
.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px}
.sub{margin:8px 0 12px}
.hp{position:absolute;left:-9999px;height:0;opacity:0}
.quote{position:sticky;top:84px;background:var(--brand2);color:#fff;border-radius:16px;padding:24px}
.quote h3{margin:0 0 12px}
.q-line,.q-total{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.15)}
.q-total{border:0;font-size:1.3rem;padding-top:14px}
.q-total b{color:#cbd5e1}
.small-note{font-size:.82rem;opacity:.8;margin:10px 0 0}
.msg{min-height:1.4em;font-weight:600}
.msg.ok{color:var(--ok)}.msg.err{color:var(--err)}
.track{display:grid;grid-template-columns:1fr 1fr auto;gap:12px;max-width:820px}
.track input{margin:0}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px}
.faq summary{font-weight:700;cursor:pointer}
.faq p{color:var(--muted);margin:8px 0 0}
.footer{padding:28px 5vw;background:#0f1420;color:#aab;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.footer .logo{color:#fff}
.chat-fab{position:fixed;right:20px;bottom:20px;width:60px;height:60px;border-radius:50%;border:0;background:var(--brand);color:#fff;font-size:1.6rem;cursor:pointer;box-shadow:0 8px 22px rgba(0,0,0,.25);z-index:50}
.chat{position:fixed;right:20px;bottom:92px;width:360px;max-width:calc(100vw - 24px);height:520px;max-height:calc(100vh - 120px);background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 16px 40px rgba(0,0,0,.25);display:flex;flex-direction:column;z-index:50;overflow:hidden}
.chat[hidden]{display:none}
.chat-head{display:flex;justify-content:space-between;align-items:center;background:var(--brand2);color:#fff;padding:12px 16px}
.chat-head button{background:none;border:0;color:#fff;font-size:1.1rem;cursor:pointer}
.chat-body{flex:1;overflow:auto;padding:14px;display:flex;flex-direction:column;gap:10px;background:#faf8f4}
.bubble{max-width:85%;padding:9px 13px;border-radius:14px;font-size:.94rem;white-space:pre-wrap}
.bubble.bot{background:#fff;border:1px solid var(--line);align-self:flex-start}
.bubble.me{background:var(--brand);color:#fff;align-self:flex-end}
.chips{display:flex;gap:6px;flex-wrap:wrap;padding:8px 12px;border-top:1px solid var(--line)}
.chips button{border:1px solid var(--brand);background:#fff;color:var(--brand);border-radius:999px;padding:5px 11px;font-size:.8rem;cursor:pointer}
.chat-input{display:flex;gap:8px;padding:10px;border-top:1px solid var(--line)}
.chat-input input{margin:0}
.chat-input button{background:var(--brand);color:#fff;border:0;border-radius:9px;padding:0 16px;font-weight:700;cursor:pointer}
@media(max-width:860px){.hero,.order-grid{grid-template-columns:1fr}.hero-art{height:240px}.nav nav{display:none}.quote{position:static}.track{grid-template-columns:1fr}.nav{justify-content:space-between}}

.chat-head span{display:flex;gap:12px;align-items:center}
.linkbtn{font-size:.85rem!important;opacity:.85}
.chat-input .up{background:#fff;color:var(--brand);border:1px solid var(--line);width:42px;font-size:1.1rem;padding:0}
canvas.preview{max-width:100%;height:auto;border-radius:12px;border:1px solid var(--line);align-self:flex-start;background:#fff}
img.thumb{max-width:140px;max-height:120px;object-fit:contain;border-radius:12px;background:#fff;border:1px solid var(--line);padding:6px;align-self:flex-end}

.preview3d{align-self:flex-start;width:360px;max-width:100%;background:linear-gradient(#f4f2ed,#e4e0d6);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.preview3d canvas{display:block;width:100%!important;height:auto!important;touch-action:none;cursor:grab}
.preview3d small{display:block;text-align:center;color:#6b6f78;padding:2px 8px 8px;font-size:.78rem}
.chat-body>*{flex-shrink:0}