:root{--bg:#f7f4ee;--ink:#1c1b18;--muted:#6d665b;--line:#ddd5c8;--panel:#fffdf8;--accent:#0f766e;--accent-dark:#115e59;--ok:#15803d;--bad:#b42318;--warn:#b45309;--blue:#2563eb;--shadow:0 20px 50px #1f1c1714}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--ink);margin:0;font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.site-shell{min-height:100vh}.topbar{border-bottom:1px solid var(--line);z-index:10;background:#f7f4eef0;justify-content:space-between;align-items:center;padding:14px clamp(18px,4vw,56px);display:flex;position:sticky;top:0}.brand{letter-spacing:0;align-items:center;gap:10px;font-weight:800;display:flex}.brand-mark{background:var(--ink);color:var(--panel);border-radius:6px;place-items:center;width:32px;height:32px;display:grid}.topbar nav{flex-wrap:wrap;justify-content:flex-end;gap:6px;display:flex}.nav-link{color:var(--muted);border-radius:999px;padding:8px 11px;font-size:14px}.nav-link:hover{color:var(--ink);background:#ebe5da}.hero{grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);gap:36px;padding:clamp(34px,7vw,86px) clamp(18px,4vw,56px) 28px;display:grid}.eyebrow{color:var(--accent-dark);letter-spacing:.08em;text-transform:uppercase;margin:0 0 14px;font-size:13px;font-weight:800}h1,h2,h3,p{margin-top:0}h1{letter-spacing:0;max-width:900px;margin-bottom:20px;font-size:clamp(42px,7vw,84px);line-height:.96}h2{letter-spacing:0;font-size:clamp(28px,4vw,48px);line-height:1.04}h3{font-size:19px;line-height:1.2}.lead{color:#454038;max-width:760px;font-size:clamp(18px,2vw,22px);line-height:1.45}.hero-actions{flex-wrap:wrap;gap:12px;margin-top:28px;display:flex}.button{cursor:pointer;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:9px;min-height:44px;padding:11px 15px;font-weight:800;display:inline-flex}.button.primary{background:var(--accent);color:#fff}.button.primary:hover{background:var(--accent-dark)}.button.secondary,.button.ghost{border-color:var(--line);color:var(--ink);background:0 0}.button.secondary:hover,.button.ghost:hover{background:#ebe5da}.button:disabled{cursor:not-allowed;opacity:.55}.hero-visual{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:8px;overflow:hidden}.mock-toolbar{border-bottom:1px solid var(--line);align-items:center;gap:8px;padding:12px;display:flex}.dot{border-radius:50%;width:10px;height:10px}.dot.red{background:#ef4444}.dot.yellow{background:#f59e0b}.dot.green{background:#22c55e}.mock-body{gap:18px;padding:18px;display:grid}.mock-preview{aspect-ratio:1;border:1px solid var(--line);background:linear-gradient(135deg,#0f766e29,#0000 45%),linear-gradient(45deg,#fef3c7,#dbeafe);border-radius:8px;place-items:center;display:grid}.mock-product{background:#fff;border:2px solid #111827;border-radius:8px;width:62%;height:54%;transform:rotate(-5deg);box-shadow:0 24px 60px #11182738}.mock-checks{gap:10px;display:grid}.mock-check{align-items:center;gap:10px;display:flex}.mock-check span{background:#e8e0d3;border-radius:999px;flex:1;height:8px}.section{padding:52px clamp(18px,4vw,56px)}.section-head{justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px;display:flex}.section-head p{color:var(--muted);max-width:660px;line-height:1.5}.platform-grid{grid-template-columns:repeat(7,minmax(0,1fr));gap:14px;display:grid}.platform-card{background:var(--panel);border:1px solid var(--line);border-radius:8px;gap:14px;min-height:210px;padding:16px;display:grid}.platform-card:hover{border-color:var(--accent);box-shadow:var(--shadow)}.platform-icon{color:#fff;border-radius:8px;place-items:center;width:44px;height:44px;display:grid}.platform-meta{color:var(--muted);font-size:13px;line-height:1.45}.tool-layout{grid-template-columns:minmax(330px,.9fr) minmax(0,1.1fr);gap:22px;padding:30px clamp(18px,4vw,56px) 64px;display:grid}.tool-intro{padding:36px clamp(18px,4vw,56px) 12px}.tool-intro h1{font-size:clamp(36px,5vw,68px)}.panel,.result-panel{background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:0 12px 34px #1f1c170d}.panel{padding:18px}.upload-zone{cursor:pointer;text-align:center;border:1.5px dashed #b9ad9d;border-radius:8px;place-items:center;gap:14px;min-height:210px;padding:24px;display:grid}.upload-zone:hover{border-color:var(--accent);background:#faf5ea}.upload-zone input{display:none}.upload-icon{color:var(--accent-dark);background:#e4f2ef;border-radius:8px;place-items:center;width:52px;height:52px;display:grid}.small{color:var(--muted);font-size:13px;line-height:1.4}.stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:18px;display:grid}.stat{background:#f5efe4;border-radius:8px;padding:13px}.stat b{margin-top:4px;font-size:18px;display:block}.preview-wrap{gap:16px;display:grid}.platform-preview{background:#e9e3d8;border-radius:8px;place-items:center;min-height:360px;padding:18px;display:grid}.preview-frame{background:#fff;border:1px solid #d6d3cd;width:min(100%,620px);position:relative;overflow:hidden;box-shadow:0 20px 45px #0000001f}.preview-frame canvas{width:100%;height:100%;display:block}.preview-chrome{background:#fff;border-top:1px solid #ece7de;gap:7px;padding:12px;display:grid}.skeleton-line{background:#e7e2d9;border-radius:999px;height:10px}.skeleton-line.short{width:52%}.checklist{gap:10px;margin:0;padding:0;display:grid}.check-item{border:1px solid var(--line);border-radius:8px;grid-template-columns:24px 1fr;align-items:start;gap:10px;padding:12px;list-style:none;display:grid}.check-item.pass{border-color:#15803d59}.check-item.fail{border-color:#b4231859}.check-item.review{border-color:#b4530959}.status-dot{border-radius:999px;place-items:center;width:24px;height:24px;display:grid}.pass .status-dot{color:var(--ok);background:#dcfce7}.fail .status-dot{color:var(--bad);background:#fee2e2}.review .status-dot{color:var(--warn);background:#fef3c7}.check-title{margin-bottom:4px;font-weight:800}.controls{gap:14px;display:grid}.control-row{gap:8px;display:grid}.control-row label{color:#38342e;font-size:13px;font-weight:800}.inline-controls{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;display:grid}input[type=number],select{border:1px solid var(--line);background:#fff;border-radius:8px;width:100%;min-height:42px;padding:9px 10px}input[type=range]{accent-color:var(--accent);width:100%}.segmented{background:#f0e9dd;border-radius:8px;grid-template-columns:repeat(2,1fr);gap:4px;padding:4px;display:grid}.segmented button{cursor:pointer;background:0 0;border:0;border-radius:6px;min-height:36px}.segmented button.active{background:#fff;font-weight:800;box-shadow:0 1px 6px #1f1c1714}.export-status{color:var(--muted);min-height:20px;font-size:13px}.content-band{background:#efe7db;padding:52px clamp(18px,4vw,56px)}.copy-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;display:grid}.copy-block{background:#fffdf8a3;border:1px solid #ddd5c8e6;border-radius:8px;padding:18px}.copy-block p,.copy-block li{color:#4f493f;line-height:1.55}.copy-block ul{margin:0;padding-left:18px}.footer{border-top:1px solid var(--line);color:var(--muted);flex-wrap:wrap;justify-content:space-between;gap:12px;padding:24px clamp(18px,4vw,56px);display:flex}@media (max-width:1180px){.platform-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (max-width:900px){.hero,.tool-layout,.copy-grid{grid-template-columns:1fr}.hero-visual{max-width:560px}}@media (max-width:640px){.topbar{flex-direction:column;align-items:flex-start;gap:12px}.platform-grid,.stats,.inline-controls{grid-template-columns:1fr}h1{font-size:42px}.platform-preview{min-height:280px;padding:10px}}