.dl{--bg:#fff;--bg-panel:#f0f7ff;--bg-dark:#0a0a0f;--ink:#0f172a;--ink-soft:#64748b;--ink-faint:#94a3b8;--line:#e2e8f0;--accent:var(--color-accent,#38bdf8);--accent-deep:#0ea5e9;--paper-on-dark:#fff;--muted-on-dark:#94a3b8;--step:clamp(.95rem, .9rem + .2vw, 1.05rem);background:var(--bg);min-height:100vh;color:var(--ink);font-family:var(--font-sans);font-size:var(--step);-webkit-font-smoothing:antialiased;margin:0;line-height:1.55}@media (prefers-reduced-motion:reduce){.dl,.dl *,.dl :before,.dl :after{transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}.dl a{color:inherit}.dl h1,.dl h2{letter-spacing:-.045em;margin:0;font-weight:500;line-height:1.04}.dl h3{letter-spacing:-.025em;margin:0;font-weight:500;line-height:1.2}.dl .eyebrow{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--accent-deep);font-size:.75rem;font-weight:500}.dl .eyebrow:before{content:"[ "}.dl .eyebrow:after{content:" ]"}.dl .container{max-width:1360px;margin:0 auto;padding:0 clamp(20px,4vw,56px)}.dl [id]{scroll-margin-top:84px}.dl .site-nav{z-index:20;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#f0f7ffe0;border-bottom:1px solid #38bdf826;position:sticky;top:0}.dl .site-nav .container{justify-content:space-between;align-items:center;height:64px;display:flex}.dl .logo{color:var(--ink);align-items:center;gap:9px;text-decoration:none;display:flex}.dl .logo-wordmark{font-family:var(--font-sans);letter-spacing:-.025em;text-transform:none;-webkit-user-select:none;user-select:none;font-size:16px;font-weight:700;line-height:1}.dl .nav-links{font-family:var(--font-sans);align-items:center;gap:clamp(14px,2vw,28px);font-size:.875rem;font-weight:400;display:flex}.dl .nav-links a:not(.btn){color:var(--ink-soft);border-bottom:1px solid #0000;padding:6px 2px;text-decoration:none;transition:color .15s,border-color .15s}.dl .nav-links a:not(.btn):hover{color:var(--ink);border-color:var(--accent)}.dl .nav-toggle{cursor:pointer;background:0 0;border:none;flex-direction:column;justify-content:center;gap:5px;width:34px;height:34px;padding:0;display:none}.dl .nav-toggle span{background:var(--ink);width:100%;height:1.5px;transition:transform .15s,opacity .15s;display:block}.dl .nav-toggle[aria-expanded=true] span:first-child{transform:translateY(6.5px)rotate(45deg)}.dl .nav-toggle[aria-expanded=true] span:nth-child(2){opacity:0}.dl .nav-toggle[aria-expanded=true] span:nth-child(3){transform:translateY(-6.5px)rotate(-45deg)}.dl .nav-mobile{background:var(--bg-panel);border-bottom:1px solid #38bdf826;flex-direction:column;gap:2px;padding:8px clamp(20px,4vw,48px) 20px;display:flex}.dl .nav-mobile a:not(.btn){color:var(--ink);border-bottom:1px solid var(--line);padding:12px 0;font-size:.95rem;text-decoration:none}.dl .nav-mobile .btn{align-self:flex-start;margin-top:14px}@media (max-width:760px){.dl .nav-links{display:none}.dl .nav-toggle{display:flex}}.dl .hero{padding:clamp(72px,11vw,150px) 0 clamp(64px,9vw,120px);position:relative;overflow:hidden}.dl .hero:before{content:"";background-image:linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);opacity:.55;pointer-events:none;background-size:64px 64px;position:absolute;inset:0;-webkit-mask-image:radial-gradient(65% 85% at 78% 45%,#000 0%,#0000 72%);mask-image:radial-gradient(65% 85% at 78% 45%,#000 0%,#0000 72%)}.dl .hero-grid{grid-template-columns:1.1fr .9fr;align-items:center;gap:clamp(32px,5vw,64px);display:grid;position:relative}@media (max-width:860px){.dl .hero-grid{grid-template-columns:1fr}}.dl .hero h1{max-width:12ch;margin-top:22px;font-size:clamp(2.9rem,6.6vw,5.8rem)}.dl .hero .subhead{max-width:44ch;color:var(--ink-soft);margin-top:28px;font-size:1.15rem;line-height:1.5}.dl .hero-actions{flex-wrap:wrap;align-items:center;gap:16px;margin-top:40px;display:flex}.dl .schematic{width:100%;height:auto}.dl .schematic .trunk,.dl .schematic .branch{fill:none;stroke:var(--accent);stroke-width:1.6px;stroke-linecap:round;stroke-dasharray:700;stroke-dashoffset:700px;animation:1.8s forwards dlDraw}.dl .schematic .node{fill:var(--bg);stroke:var(--accent);stroke-width:1.6px;opacity:0;animation:.4s 1.3s forwards dlAppear}.dl .schematic .node.origin{fill:var(--accent);animation-delay:50ms}.dl .schematic .label{font-family:var(--font-mono);letter-spacing:.06em;fill:var(--ink-soft);opacity:0;font-size:10px;animation:.5s 1.4s forwards dlAppear}@keyframes dlDraw{to{stroke-dashoffset:0}}@keyframes dlAppear{to{opacity:1}}.dl .btn{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;border-radius:0;align-items:center;gap:8px;padding:15px 26px;font-size:.75rem;font-weight:500;text-decoration:none;transition:background .15s,border-color .15s,color .15s;display:inline-flex}.dl .btn-sm{padding:11px 18px;font-size:.7rem}.dl .btn-primary{background:var(--bg-dark);color:#fff;border:1px solid var(--bg-dark)}.dl .btn-primary:hover{background:#1e293b;border-color:#1e293b}.dl .btn-ghost{color:var(--ink);border:1px solid var(--line);background:0 0}.dl .btn-ghost:hover{border-color:var(--ink-soft)}.dl .section{border-top:1px solid var(--line);padding:clamp(72px,10vw,140px) 0}.dl .section-head{max-width:64ch;margin-bottom:clamp(40px,6vw,72px)}.dl .section-head h2{max-width:17ch;margin-top:18px;font-size:clamp(2.1rem,4vw,3.4rem)}.dl .section-head p{color:var(--ink-soft);margin-top:14px}.dl .gap-text{max-width:62ch;color:var(--ink-soft);font-size:1.05rem}.dl .gap-text strong{color:var(--ink)}.dl .steps{border-top:1px solid var(--line);gap:0;display:grid}.dl .step{border-bottom:1px solid var(--line);grid-template-columns:90px 1fr;gap:24px;padding:26px 0;display:grid}.dl .step .n{font-family:var(--font-mono);color:var(--accent-deep);padding-top:3px;font-size:.9rem}.dl .step h3{margin-bottom:6px;font-size:1.15rem}.dl .step p{color:var(--ink-soft);max-width:60ch;margin:0}.dl .step-label{font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:8px;font-size:.68rem;display:block}.dl .step.step-emphasis{padding:34px 0}.dl .step.step-emphasis .n{color:var(--accent-deep);font-weight:700}.dl .step.step-emphasis h3{font-size:1.4rem}.dl .step.step-emphasis p{font-size:1.02rem}.dl .steps-interactive{border:1px solid var(--line);grid-template-columns:repeat(3,1fr)}.dl .steps-interactive .step,.dl .steps-interactive .step.step-emphasis{border-bottom:0;border-right:1px solid var(--line);flex-direction:column;gap:0;padding:28px 28px 36px;transition:background .2s;display:flex;position:relative}.dl .steps-interactive .step:last-child{border-right:0}.dl .steps-interactive .step:hover{background:var(--bg-panel)}.dl .steps-interactive .step .n,.dl .steps-interactive .step.step-emphasis .n{margin-bottom:clamp(48px,7vw,96px);font-weight:500}.dl .steps-interactive .step h3,.dl .steps-interactive .step.step-emphasis h3{margin-bottom:12px;font-size:1.4rem}.dl .steps-interactive .step p,.dl .steps-interactive .step.step-emphasis p{font-size:.98rem}.dl .steps-interactive .step:after{content:"";pointer-events:none;opacity:0;background:linear-gradient(var(--ink), var(--ink)) top left / 10px 1px no-repeat, linear-gradient(var(--ink), var(--ink)) top left / 1px 10px no-repeat, linear-gradient(var(--ink), var(--ink)) top right / 10px 1px no-repeat, linear-gradient(var(--ink), var(--ink)) top right / 1px 10px no-repeat, linear-gradient(var(--ink), var(--ink)) bottom left / 10px 1px no-repeat, linear-gradient(var(--ink), var(--ink)) bottom left / 1px 10px no-repeat, linear-gradient(var(--ink), var(--ink)) bottom right / 10px 1px no-repeat, linear-gradient(var(--ink), var(--ink)) bottom right / 1px 10px no-repeat;transition:opacity .2s;position:absolute;inset:-1px}.dl .steps-interactive .step:hover:after{opacity:1}@media (max-width:860px){.dl .steps-interactive{grid-template-columns:1fr}.dl .steps-interactive .step,.dl .steps-interactive .step.step-emphasis{border-right:0;border-bottom:1px solid var(--line)}.dl .steps-interactive .step:last-child{border-bottom:0}.dl .steps-interactive .step .n,.dl .steps-interactive .step.step-emphasis .n{margin-bottom:32px}}.dl .how-marquee{position:relative;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,#0000,#000 40px calc(100% - 40px),#0000);mask-image:linear-gradient(90deg,#0000,#000 40px calc(100% - 40px),#0000)}.dl .how-track{width:max-content;animation:32s linear infinite dlMarquee;display:flex}.dl .how-marquee:hover .how-track{animation-play-state:paused}.dl .how-set{display:flex}.dl .how-card-wrap{flex:none;align-items:center;display:flex}.dl .how-card{width:clamp(220px,22vw,280px);padding:4px clamp(18px,3vw,28px)}.dl .how-card .n{font-family:var(--font-mono);color:var(--accent-deep);font-size:.85rem}.dl .how-card h3{margin:10px 0 8px;font-size:1.1rem}.dl .how-card p{color:var(--ink-soft);margin:0;font-size:.92rem}.dl .how-connector{flex:none;align-items:center;width:clamp(28px,4vw,52px);display:flex}.dl .how-connector .line{background:var(--line);flex:1;height:1px}.dl .how-connector .dot{background:var(--accent);width:6px;height:6px;box-shadow:0 0 0 4px var(--bg-panel);border-radius:0;flex-shrink:0}@keyframes dlMarquee{0%{transform:translate(0)}to{transform:translate(-50%)}}@media (max-width:640px){.dl .how-card{width:clamp(200px,74vw,260px)}}.dl .about-grid{grid-template-columns:1.2fr .8fr;align-items:start;gap:clamp(32px,6vw,96px);display:grid}.dl .about-grid h2{max-width:17ch;margin-top:18px;margin-bottom:14px;font-size:clamp(2.1rem,4vw,3.4rem)}@media (max-width:860px){.dl .about-grid{grid-template-columns:1fr}.dl .about-portrait{margin:0 auto}}.dl .about-portrait{aspect-ratio:1;border:1px solid var(--line);border-radius:0;width:60%;margin-left:auto;position:relative;overflow:hidden}.dl .results-section{background:var(--bg-dark);color:var(--paper-on-dark);padding:clamp(72px,10vw,140px) 0}.dl .results-head{max-width:64ch;margin-bottom:clamp(40px,6vw,72px)}.dl .results-head h2{max-width:17ch;color:var(--paper-on-dark);margin-top:18px;font-size:clamp(2.1rem,4vw,3.4rem)}.dl .results-head p{color:var(--muted-on-dark);max-width:60ch;margin-top:14px;font-size:1.05rem}.dl .results-list{border-top:1px solid #ffffff14}.dl .result-case{border-bottom:1px solid #ffffff14;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(24px,6vw,96px);padding:clamp(36px,5vw,64px) 0;display:grid}@media (max-width:860px){.dl .result-case{grid-template-columns:1fr}}.dl .result-head{align-items:baseline;gap:14px;margin-bottom:14px;display:flex}.dl .result-index{font-family:var(--font-mono);color:var(--accent);font-size:.9rem;font-weight:700}.dl .result-tag{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted-on-dark);font-size:.72rem}.dl .result-case h3{letter-spacing:-.035em;color:var(--paper-on-dark);max-width:18ch;font-size:clamp(1.5rem,2.6vw,2.1rem)}.dl .result-body{color:#b9c0cc;max-width:62ch;margin-top:0;font-size:1rem}.dl .result-keywords{font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;color:#6b7280;margin-top:16px;font-size:.7rem}.dl .result-metrics{background:#ffffff24;border:1px solid #ffffff24;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;margin-top:28px;display:grid}.dl .result-metric{background:var(--bg-dark);border:0;border-radius:0;padding:26px 24px 24px}.dl .result-metric-value{font-family:var(--font-mono);letter-spacing:-.04em;color:var(--paper-on-dark);font-size:clamp(1.8rem,3vw,2.4rem);font-weight:400}.dl .result-metric-label{font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted-on-dark);margin-top:10px;font-size:.68rem}@media (max-width:640px){.dl .result-metrics{grid-template-columns:1fr}}.dl .step-result-link{font-family:var(--font-mono);color:var(--accent-deep);border-bottom:1px solid #0000;margin-top:10px;font-size:.82rem;text-decoration:none;transition:color .15s,border-color .15s;display:inline-block}.dl .step-result-link:hover{color:var(--ink);border-color:var(--accent)}.dl .cta-section{background:var(--bg-dark);color:var(--paper-on-dark);text-align:center;padding:clamp(80px,12vw,168px) 0}.dl .cta-section h2{color:var(--paper-on-dark);max-width:15ch;margin:0 auto;font-size:clamp(2.4rem,5.4vw,4.4rem)}.dl .cta-section p{color:var(--muted-on-dark);margin-top:14px}.dl .cta-section .btn-primary{background:var(--paper-on-dark);color:var(--ink);border-color:var(--paper-on-dark);box-shadow:none;margin-top:44px}.dl .cta-section .btn-primary:hover{background:var(--accent);border-color:var(--accent);color:#fff}.dl .cta-section .cta-email{font-family:var(--font-mono);margin-top:18px;font-size:.8rem}.dl .cta-section .cta-email a{color:var(--muted-on-dark);border-bottom:1px solid #0000;text-decoration:none;transition:color .15s,border-color .15s}.dl .cta-section .cta-email a:hover{color:var(--paper-on-dark);border-color:var(--paper-on-dark)}.dl .site-footer{background:var(--bg-dark);color:var(--muted-on-dark);font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;border-top:1px solid #ffffff1a;padding:28px 0 36px;font-size:.7rem}.dl .site-footer .container{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;display:flex}.dl .site-footer .logo-wordmark{color:var(--paper-on-dark)}.dl .site-footer a{color:var(--muted-on-dark);text-decoration:none}.dl .site-footer a:hover{color:var(--paper-on-dark)}.dl .scroll-rail{z-index:30;pointer-events:none;mix-blend-mode:difference;width:9px;height:min(360px,56vh);position:fixed;top:50%;right:18px;transform:translateY(-50%)}.dl .scroll-rail:before{content:"";opacity:.28;background:#fff;width:1px;position:absolute;top:0;bottom:0;left:0}.dl .rail-fill{background:#fff;width:1px;position:absolute;top:0;left:0}.dl .rail-tick{opacity:.5;background:#fff;width:5px;height:1px;transition:width .2s,opacity .2s;position:absolute;left:0}.dl .rail-tick.is-active{opacity:1;width:9px}@media (max-width:1100px){.dl .scroll-rail{display:none}}