:root{--bg: #090d10;--bg-card: #0f1519;--text: #f7fafb;--text-muted: #9faab1;--text-dim: #657079;--accent: #31c7df;--accent-dim: #1f8a9e;--border: #1a242b;font-family:Inter,ui-sans-serif,system-ui,sans-serif;color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 30% 20%,#15303a 0,var(--bg) 42%)}.bridge{width:min(560px,calc(100vw - 40px));padding:54px 0;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;justify-content:center}.bridge .brand{font-size:24px;font-weight:800;margin-bottom:60px}.bridge .brand span{color:var(--accent)}.bridge .signal{margin-right:8px}.bridge .eyebrow{color:var(--accent)!important;font-size:12px!important;font-weight:800;letter-spacing:1.8px}.bridge h1{margin:10px 0 14px;font-size:clamp(36px,7vw,60px);line-height:1.02;letter-spacing:-2px}.bridge p{color:var(--text-muted);font-size:18px;line-height:1.6;max-width:520px}.bridge button{margin:22px 0;padding:14px 20px;color:#051014;background:var(--accent);border:0;border-radius:9px;font:700 15px inherit;cursor:pointer}.bridge small{display:block;margin-top:60px;color:var(--text-dim)}.landing{max-width:1040px;margin:0 auto;padding:0 24px}.landing a{color:var(--accent);text-decoration:none}.landing a:hover{text-decoration:underline}.l-header{display:flex;align-items:center;justify-content:space-between;padding:24px 0}.l-header .brand{font-size:22px;font-weight:800}.l-header .brand span{color:var(--accent)}.l-header .brand .signal{margin-right:6px}.l-header nav{display:flex;gap:20px;align-items:center}.l-header nav a{font-size:14px;font-weight:600;color:var(--text-muted)}.l-header .btn-small{padding:8px 18px;border-radius:8px;background:var(--accent);color:#051014!important;font-weight:700;font-size:13px;border:0;cursor:pointer}.hero{text-align:center;padding:80px 0 60px}.hero h1{font-size:clamp(40px,8vw,72px);font-weight:800;line-height:1.05;letter-spacing:-2.5px;margin:0 0 16px}.hero h1 span{color:var(--accent)}.hero p{font-size:20px;color:var(--text-muted);line-height:1.6;max-width:600px;margin:0 auto 36px}.hero .btn-primary{display:inline-block;padding:16px 36px;border-radius:10px;background:var(--accent);color:#051014;font:700 17px inherit;border:0;cursor:pointer;transition:opacity .15s}.hero .btn-primary:hover{opacity:.85;text-decoration:none}.hero .sub{display:block;margin-top:14px;font-size:14px;color:var(--text-dim)}section{padding:70px 0}section h2{font-size:clamp(28px,5vw,40px);font-weight:800;letter-spacing:-1.5px;margin:0 0 12px;text-align:center}section .subtitle{text-align:center;color:var(--text-muted);font-size:17px;max-width:500px;margin:0 auto 48px;line-height:1.5}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;counter-reset:step}.step{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:36px 28px;counter-increment:step;position:relative}.step:before{content:counter(step);position:absolute;top:20px;right:20px;font-size:40px;font-weight:800;color:var(--accent);opacity:.15;line-height:1}.step h3{font-size:18px;font-weight:700;margin:0 0 8px}.step p{color:var(--text-muted);font-size:15px;line-height:1.5;margin:0}.step .icon{font-size:28px;margin-bottom:14px;display:block}.features{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.feature{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:32px 28px}.feature .icon{font-size:24px;margin-bottom:10px;display:block}.feature h3{font-size:17px;font-weight:700;margin:0 0 6px}.feature p{color:var(--text-muted);font-size:14px;line-height:1.5;margin:0}.download-section{text-align:center;padding-bottom:40px}.download-section .btn-download{display:inline-flex;align-items:center;gap:10px;padding:18px 40px;border-radius:10px;background:var(--accent);color:#051014;font:700 18px inherit;border:0;cursor:pointer;transition:opacity .15s;margin-bottom:10px}.download-section .btn-download:hover{opacity:.85;text-decoration:none}.download-section .version-note{font-size:13px;color:var(--text-dim);margin-top:0}.tutorial{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:48px;text-align:left}.tutorial-step{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:28px 22px}.tutorial-step .num{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:8px;background:var(--accent);color:#051014;font-weight:800;font-size:14px;margin-bottom:14px}.tutorial-step h4{font-size:15px;font-weight:700;margin:0 0 6px}.tutorial-step p{color:var(--text-muted);font-size:13px;line-height:1.5;margin:0}.tutorial-step code{display:inline-block;background:#1a242b;padding:2px 8px;border-radius:4px;font-size:13px;color:var(--accent)}.l-footer{border-top:1px solid var(--border);padding:40px 0;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px}.l-footer .brand{font-weight:800;font-size:16px}.l-footer .brand span{color:var(--accent)}.l-footer nav{display:flex;gap:20px}.l-footer nav a{font-size:13px;color:var(--text-dim)}.l-footer small{font-size:12px;color:var(--text-dim)}@media(max-width:768px){.steps,.features{grid-template-columns:1fr}.tutorial{grid-template-columns:repeat(2,1fr)}.hero{padding:50px 0 40px}}@media(max-width:480px){.tutorial{grid-template-columns:1fr}}