body.landing{height:auto;min-height:100vh;overflow:auto;display:block;font-size:16px;line-height:1.6}.ld-nav{position:fixed;top:0;left:0;right:0;z-index:10;display:flex;align-items:center;gap:28px;padding:14px clamp(16px,5vw,48px);background:color-mix(in srgb,var(--bg) 82%,transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid color-mix(in srgb,var(--text) 8%,transparent)}.ld-brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text)}.ld-brand-logo{width:28px;height:28px;display:block}.ld-brand-name{font-weight:700;font-size:17px;letter-spacing:.01em}.ld-nav-links{display:flex;gap:22px;margin-inline:auto}.ld-nav-links a{color:var(--text2);text-decoration:none;font-size:14px}.ld-nav-links a:hover{color:var(--text)}.ld-nav-actions{display:flex;align-items:center;gap:12px}.ld-icon-btn{display:grid;place-items:center;width:34px;height:34px;padding:0;border-radius:10px;border:1px solid color-mix(in srgb,var(--text) 14%,transparent);background:transparent;color:var(--text2);cursor:pointer}.ld-icon-btn:hover{color:var(--text);border-color:color-mix(in srgb,var(--text) 26%,transparent)}.ld-icon-btn svg{width:17px;height:17px}.ld-lang{width:auto;padding:0 10px;font-size:12px;font-weight:700;letter-spacing:.06em;font-family:var(--font-ui)}.ld-btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 22px;border-radius:12px;font-size:15px;font-weight:600;text-decoration:none;transition:transform .15s var(--ease-out),box-shadow .15s var(--ease-out)}.ld-btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 26px -8px color-mix(in srgb,var(--accent) 65%,transparent)}.ld-btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 32px -8px color-mix(in srgb,var(--accent) 75%,transparent)}.ld-btn-ghost{color:var(--text);border:1px solid color-mix(in srgb,var(--text) 18%,transparent);background:color-mix(in srgb,var(--bg2) 40%,transparent)}.ld-btn-ghost:hover{border-color:color-mix(in srgb,var(--text) 32%,transparent)}.ld-nav .ld-btn-ghost{padding:8px 16px;font-size:14px}.ld-hero{position:relative;min-height:min(88vh,860px);display:grid;place-items:center;overflow:hidden;background:var(--galaxy-bg);padding:140px clamp(16px,6vw,64px) 90px}.ld-sky,.ld-galaxy{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.ld-galaxy{pointer-events:none;opacity:0;transition:opacity .9s ease}.ld-galaxy[data-ready=true]{opacity:.85}@media(prefers-reduced-motion:reduce){.ld-galaxy{transition:none}}.ld-galaxy canvas{width:100%!important;height:100%!important;display:block}.ld-hero-inner:before{content:"";position:absolute;top:-12%;right:-18%;bottom:-12%;left:-18%;z-index:-1;background:radial-gradient(closest-side,color-mix(in srgb,var(--galaxy-bg) 78%,transparent),color-mix(in srgb,var(--galaxy-bg) 45%,transparent) 60%,transparent);pointer-events:none}.ld-hero-inner{position:relative;isolation:isolate;max-width:780px;text-align:center;display:grid;gap:22px;justify-items:center}.ld-eyebrow{font-size:13px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}.ld-title{font-size:clamp(34px,6vw,58px);line-height:1.08;font-weight:800;letter-spacing:-.02em;color:var(--text);text-wrap:balance}.ld-lead{max-width:640px;font-size:clamp(16px,2vw,19px);color:var(--text2);text-wrap:pretty}.ld-cta-row{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:8px}.ld-section{max-width:1080px;margin:0 auto;padding:56px clamp(16px,5vw,48px);scroll-margin-top:72px}.ld-h2{font-size:clamp(24px,3.4vw,34px);font-weight:800;letter-spacing:-.015em;color:var(--text);text-align:center;text-wrap:balance}.ld-sub{max-width:640px;margin:14px auto 0;text-align:center;color:var(--text2);font-size:clamp(15px,1.8vw,17px);text-wrap:pretty}.ld-feature{--cap-accent: var(--accent);display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);align-items:center;gap:clamp(24px,4vw,56px);margin-top:clamp(48px,7vw,88px)}.ld-feature[data-cap=fit]{--cap-accent: var(--mode-magenta)}.ld-feature[data-cap=export]{--cap-accent: #e69f00}.ld-feature[data-cap=explore]{--cap-accent: var(--mode-cyan)}.ld-feature[data-cap=compare]{--cap-accent: #d55e00}.ld-feature[data-cap=simulate]{--cap-accent: #009e73}.ld-feature[data-cap=optimize]{--cap-accent: var(--opt-accent)}.ld-feature:nth-of-type(2n) .ld-shot{order:2}.ld-kicker{font-size:12px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--cap-accent)}.ld-feature h3{font-size:clamp(20px,2.6vw,26px);font-weight:750;letter-spacing:-.01em;color:var(--text);margin-top:8px;text-wrap:balance}.ld-feature p:not(.ld-kicker){color:var(--text2);font-size:15.5px;margin-top:10px;max-width:46ch}.ld-shot{position:relative;aspect-ratio:16 / 10;border-radius:16px;border:1px solid color-mix(in srgb,var(--cap-accent, var(--text)) 22%,transparent);background:radial-gradient(80% 100% at 20% 0%,color-mix(in srgb,var(--cap-accent, var(--accent)) 8%,transparent),transparent 60%),linear-gradient(160deg,var(--bg2),var(--bg3));box-shadow:0 24px 60px -28px color-mix(in srgb,var(--cap-accent, var(--accent)) 35%,rgba(0,0,0,.5));overflow:hidden;transition:transform .4s var(--ease-out),box-shadow .4s var(--ease-out)}.ld-feature:hover .ld-shot{transform:translateY(-4px);box-shadow:0 32px 72px -28px color-mix(in srgb,var(--cap-accent, var(--accent)) 50%,rgba(0,0,0,.55))}.ld-shot img{width:100%;height:100%;object-fit:cover;object-position:top left;display:block}:root[data-theme=light] .ld-shot-dark{display:none}:root:not([data-theme=light]) .ld-shot-light{display:none}.ld-shot-live{background:var(--plot-bg)}.ld-plot{width:100%;height:100%;display:block}.ld-plot-grid line{stroke:var(--plot-grid);stroke-width:1}.ld-plot-ticks text,.ld-plot-legend text{fill:var(--plot-ax);font-family:var(--font-mono);font-size:11px}.ld-plot-axis{fill:var(--text2);font-family:var(--font-ui);font-size:13px}.ld-plot-curve{fill:none;stroke-width:2.5;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 1.2s var(--ease-out);transition-delay:var(--draw-delay, 0s)}.ld-feature.in .ld-plot-curve,.reveal-off .ld-plot-curve{stroke-dashoffset:0}.ld-plot-profile{stroke:var(--text);stroke-width:3}.ld-plot-band{opacity:0;transition:opacity .8s var(--ease-out);transition-delay:var(--band-delay, .5s)}.ld-feature.in .ld-plot-band,.reveal-off .ld-plot-band{opacity:.16}.ld-plot-interface{stroke:var(--text3);stroke-dasharray:5 5;stroke-width:1}[data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease-out),transform .7s var(--ease-out)}[data-reveal].in,.reveal-off [data-reveal]{opacity:1;transform:none}.ld-ai{max-width:none;border-block:1px solid color-mix(in srgb,var(--opt-accent) 22%,transparent);background:radial-gradient(70% 120% at 50% 0%,color-mix(in srgb,var(--opt-accent) 9%,transparent),transparent 70%)}.ld-ai-inner{max-width:720px;margin:0 auto;text-align:center}.ld-ai-tag{display:inline-block;font-family:var(--font-mono);font-size:12.5px;letter-spacing:.04em;color:var(--opt-accent);border:1px solid color-mix(in srgb,var(--opt-accent) 35%,transparent);background:color-mix(in srgb,var(--opt-accent) 9%,transparent);border-radius:999px;padding:4px 12px;margin-bottom:16px}.ld-network{border-block:1px solid color-mix(in srgb,var(--text) 7%,transparent);max-width:none;background:radial-gradient(60% 80% at 50% 0%,color-mix(in srgb,var(--accent) 6%,transparent),transparent 70%)}.ld-role-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(280px,100%),1fr));gap:20px;max-width:1080px;margin:40px auto 0}.ld-role{padding:24px 22px;border-radius:16px;border:1px solid color-mix(in srgb,var(--text) 10%,transparent);background:color-mix(in srgb,var(--bg2) 70%,transparent)}.ld-role{transition:transform .35s var(--ease-out),border-color .35s var(--ease-out)}.ld-role:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--accent) 40%,transparent)}.ld-role-icon{width:26px;height:26px;color:var(--accent);margin-bottom:12px}.ld-role h3{font-size:17px;font-weight:700;color:var(--text)}.ld-role p{margin-top:8px;color:var(--text2);font-size:15px}.ld-network .ld-cta-row{margin-top:40px}.ld-about-body{max-width:700px}.ld-footer{padding:28px clamp(16px,5vw,48px) 40px;text-align:center;color:var(--text3);font-size:14px;border-top:1px solid color-mix(in srgb,var(--text) 8%,transparent)}.ld-footer-link{color:var(--accent);text-decoration:none;margin-left:10px}.ld-footer-link:hover{text-decoration:underline}@media(max-width:860px){.ld-feature{grid-template-columns:1fr;gap:20px}.ld-feature:nth-of-type(2n) .ld-shot{order:0}}@media(max-width:640px){.ld-nav-links{display:none}.ld-nav{justify-content:space-between}}