:root{
  --ink:#07111f;--ink-2:#0c1a2d;--panel:#101f34;--text:#122033;--muted:#65748a;
  --line:#dbe3ec;--soft:#f3f7fb;--white:#fff;--accent:#2a7cff;--accent-2:#48d7ff;
  --lime:#75f0bd;--warning:#ffca58;--radius:24px;--shadow:0 28px 70px rgba(8,22,40,.12);
  --container:min(1180px,calc(100vw - clamp(28px,6vw,88px)));
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input,textarea,select{font:inherit}.container{width:var(--container);margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;z-index:1000;left:12px;top:-60px;padding:10px 14px;border-radius:10px;background:#fff;color:#111}.skip-link:focus{top:12px}.section{padding:clamp(76px,9vw,130px) 0}.section-dark{background:var(--ink);color:#eef6ff}.section-kicker{display:flex;align-items:center;gap:10px;margin:0 0 18px;color:#55708f;font-size:clamp(.7rem,.85vw,.82rem);font-weight:850;letter-spacing:.16em;text-transform:uppercase}.section-kicker span{width:22px;height:2px;background:var(--accent)}.section-dark .section-kicker,.light-heading .section-kicker{color:#8faac8}.section-heading{margin-bottom:clamp(34px,5vw,64px)}.section-heading h2{max-width:860px;margin:0;font-size:clamp(2rem,4.15vw,3.7rem);line-height:1.04;letter-spacing:-.052em}.section-heading>p:last-child{max-width:720px;color:var(--muted);font-size:clamp(1rem,1.35vw,1.14rem)}.split-heading{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(280px,.7fr);gap:clamp(28px,6vw,90px);align-items:end}.split-heading>p{margin:0}.light-heading>p{color:#9db0c7}.centered-heading{text-align:center}.centered-heading>*{margin-inline:auto}.sticky-heading{position:sticky;top:110px;align-self:start}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 19px;border:1px solid transparent;border-radius:999px;font-weight:780;transition:.22s ease}.button:hover{transform:translateY(-2px)}.button-primary{background:linear-gradient(135deg,var(--accent),#575cff);color:#fff;box-shadow:0 14px 32px rgba(42,124,255,.28)}.button-secondary{border-color:rgba(130,157,190,.35);background:rgba(255,255,255,.08);color:inherit}.button-outline{border-color:#cdd7e3;background:#fff}.text-link{display:inline-flex;gap:9px;align-items:center;font-weight:800}.text-link b{font-size:1.1em}.meta-line{color:#728399;font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.site-header{position:fixed;z-index:100;inset:0 0 auto;transition:.25s ease}.site-header::before{content:"";position:absolute;inset:0;background:rgba(7,17,31,.72);border-bottom:1px solid rgba(255,255,255,.08);backdrop-filter:blur(18px);opacity:.94}.header-inner{position:relative;min-height:76px;display:flex;align-items:center;gap:28px}.site-brand{display:flex;align-items:center;gap:11px;color:#fff}.site-brand>span:last-child{display:grid;line-height:1.05}.site-brand strong{font-size:1.06rem;letter-spacing:-.02em}.site-brand small{margin-top:5px;color:#8ea3bd;font-size:.58rem;letter-spacing:.12em;text-transform:uppercase}.brand-mark{position:relative;width:34px;height:34px;display:block}.brand-mark span{position:absolute;width:11px;border-radius:6px;background:linear-gradient(180deg,var(--accent-2),var(--accent))}.brand-mark span:nth-child(1){height:20px;left:0;bottom:0}.brand-mark span:nth-child(2){height:31px;left:12px;bottom:0}.brand-mark span:nth-child(3){height:15px;right:0;bottom:0}.main-nav{display:flex;align-items:center;justify-content:center;gap:clamp(16px,2.3vw,34px);margin-left:auto;color:#b8c6d7;font-size:.86rem;font-weight:720}.main-nav a:hover{color:#fff}.login-button{padding:9px 16px;border:1px solid rgba(255,255,255,.22);border-radius:999px;color:#fff;font-size:.84rem;font-weight:800}.nav-toggle{display:none;margin-left:auto;width:42px;height:42px;border:1px solid rgba(255,255,255,.2);border-radius:13px;background:rgba(255,255,255,.06)}.nav-toggle>span:not(.sr-only){display:block;width:18px;height:2px;margin:4px auto;background:#fff}.social-rail{position:fixed;z-index:20;right:16px;top:50%;display:grid;gap:8px;transform:translateY(-50%)}.social-rail a{width:38px;height:38px;display:grid;place-items:center;border:1px solid #dfe6ee;border-radius:12px;background:#fff;box-shadow:0 8px 20px rgba(0,0,0,.08)}.social-rail svg{width:17px;height:17px}
.hero-section{position:relative;min-height:min(900px,100svh);display:grid;align-items:center;overflow:hidden;background:radial-gradient(circle at 82% 22%,rgba(43,124,255,.22),transparent 30%),radial-gradient(circle at 42% 104%,rgba(72,215,255,.12),transparent 36%),var(--ink);color:#fff;padding:clamp(122px,13vw,170px) 0 clamp(80px,9vw,120px)}.hero-mesh{position:absolute;inset:0;opacity:.18;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:52px 52px;mask-image:linear-gradient(to right,#000,transparent 62%)}.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,.82fr) minmax(500px,1.18fr);gap:clamp(46px,6vw,92px);align-items:center}.hero-copy h1{margin:0 0 26px;max-width:690px;font-size:clamp(2.85rem,5.7vw,5.7rem);line-height:.95;letter-spacing:-.07em}.hero-lead{max-width:650px;margin:0;color:#adbed2;font-size:clamp(1.03rem,1.45vw,1.22rem)}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}.hero-proof{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:44px;padding-top:28px;border-top:1px solid rgba(255,255,255,.12)}.hero-proof span{display:grid;gap:2px}.hero-proof strong{font-size:clamp(.95rem,1.3vw,1.1rem)}.hero-proof small{color:#778ca5;font-size:.72rem}.platform-window{min-width:0;border:1px solid rgba(157,195,237,.24);border-radius:28px;background:rgba(13,29,50,.84);box-shadow:0 42px 100px rgba(0,0,0,.42);backdrop-filter:blur(18px);transform:perspective(1200px) rotateY(-3deg) rotateX(1deg);overflow:hidden}.window-bar{height:48px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:0 16px;border-bottom:1px solid rgba(255,255,255,.08);color:#91a7c1;font-size:.7rem;font-weight:800;letter-spacing:.08em}.window-bar>div{display:flex;gap:6px}.window-bar i{width:8px;height:8px;border-radius:50%;background:#42536a}.window-bar b{justify-self:end;padding:4px 8px;border-radius:999px;background:rgba(117,240,189,.12);color:var(--lime);font-size:.58rem}.window-body{min-height:480px;display:grid;grid-template-columns:56px minmax(0,1fr)}.window-nav{display:flex;flex-direction:column;align-items:center;gap:20px;padding:17px 0;border-right:1px solid rgba(255,255,255,.07);background:rgba(6,15,27,.5)}.window-nav strong{width:31px;height:31px;display:grid;place-items:center;border-radius:10px;background:linear-gradient(135deg,var(--accent-2),var(--accent));font-size:.7rem}.window-nav span{width:19px;height:19px;border-radius:7px;background:#263951}.window-nav span.active{background:var(--accent);box-shadow:0 0 0 6px rgba(42,124,255,.12)}.window-content{min-width:0;padding:22px}.window-heading{display:flex;align-items:center;justify-content:space-between;gap:14px}.window-heading>div{display:grid}.window-heading small{color:#7187a1;font-size:.62rem;letter-spacing:.12em}.window-heading strong{font-size:1.18rem}.window-heading>span{display:flex;gap:7px;align-items:center;padding:7px 10px;border-radius:999px;background:rgba(117,240,189,.09);color:#a4f7d6;font-size:.67rem}.window-heading>span i{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(117,240,189,.1)}.window-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:18px}.window-stats article{position:relative;min-width:0;padding:15px;border:1px solid rgba(255,255,255,.08);border-radius:16px;background:rgba(255,255,255,.035)}.window-stats small{display:block;color:#7f94ad;font-size:.64rem}.window-stats strong{font-size:clamp(1.35rem,2.4vw,2rem);font-variant-numeric:tabular-nums}.window-stats span{margin-left:3px;color:#8ca1b9;font-size:.7rem}.window-stats em{display:block;margin-top:7px;color:var(--lime);font-size:.61rem;font-style:normal}.window-chart{height:220px;margin-top:12px;padding:13px 14px 0;border:1px solid rgba(255,255,255,.08);border-radius:18px;background:linear-gradient(180deg,rgba(42,124,255,.06),transparent)}.chart-label{display:flex;justify-content:space-between;color:#7187a1;font-size:.64rem}.chart-label b{color:var(--accent-2)}.window-chart svg{width:100%;height:165px;overflow:visible}.window-chart .fill{fill:url(#chartFill)}.window-chart .line{fill:none;stroke:var(--accent-2);stroke-width:3}.window-devices{display:flex;align-items:center;gap:12px;margin-top:12px;color:#7890aa;font-size:.61rem}.window-devices span{display:flex;align-items:center;gap:5px}.window-devices i{width:6px;height:6px;border-radius:50%}.window-devices i.ok{background:var(--lime)}.window-devices i.warn{background:var(--warning)}.window-devices b{margin-left:auto;color:#b6c5d6;font-weight:700}.signal-strip{overflow:hidden;border-bottom:1px solid var(--line);background:#fff}.signal-track{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:16px;white-space:nowrap;color:#526277;font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.signal-track i{width:4px;height:4px;border-radius:50%;background:#b5c0cc}
.platform-section{background:linear-gradient(180deg,#fff,var(--soft))}.capability-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.capability-card{position:relative;min-height:310px;padding:clamp(24px,3vw,38px);overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:0 12px 35px rgba(14,35,60,.05)}.capability-card-wide{grid-column:span 2;min-height:280px;display:grid;grid-template-columns:minmax(0,1fr) minmax(270px,.7fr);gap:34px;align-items:center}.capability-icon{position:absolute;right:24px;top:20px;color:#dce5ef;font-size:3.2rem;font-weight:900;letter-spacing:-.08em}.capability-card>small,.capability-card>div>small{color:var(--accent);font-size:.68rem;font-weight:850;letter-spacing:.14em}.capability-card h3{max-width:560px;margin:10px 0 12px;font-size:clamp(1.45rem,2.1vw,2rem);line-height:1.15;letter-spacing:-.035em}.capability-card p{max-width:630px;margin:0;color:var(--muted)}.template-stack{position:relative;height:150px}.template-stack i{position:absolute;inset:20px 0 auto;border:1px solid #d8e3ef;border-radius:18px;background:#f7fbff;box-shadow:0 18px 38px rgba(20,49,83,.09)}.template-stack i:nth-child(1){transform:translate(28px,-18px) scale(.9)}.template-stack i:nth-child(2){transform:translate(14px,-9px) scale(.95)}.template-stack i:nth-child(3){background:linear-gradient(135deg,#eaf2ff,#f8fcff)}.template-stack b{position:absolute;left:28px;top:67px;color:#2c588b}.pulse-row{height:105px;display:flex;align-items:end;gap:8px;margin-top:30px}.pulse-row i{flex:1;border-radius:8px 8px 2px 2px;background:linear-gradient(180deg,var(--accent-2),var(--accent));opacity:.7}.pulse-row i:nth-child(1){height:28%}.pulse-row i:nth-child(2){height:55%}.pulse-row i:nth-child(3){height:39%}.pulse-row i:nth-child(4){height:82%}.pulse-row i:nth-child(5){height:58%}.pulse-row i:nth-child(6){height:100%}.command-flow{display:flex;align-items:center;gap:10px;margin-top:34px}.command-flow span,.command-flow b{padding:10px 13px;border-radius:10px;background:#edf3fa;color:#315171;font-size:.72rem}.command-flow b{background:#e7fff4;color:#147549}.storage-meter{display:grid;grid-template-columns:repeat(5,1fr);gap:7px;margin-top:40px}.storage-meter span{height:72px;border-radius:8px;background:linear-gradient(180deg,#dce9f8,#edf4fa)}.storage-meter span:nth-child(2),.storage-meter span:nth-child(4){height:98px;margin-top:-26px}.capability-card pre{margin:0;padding:22px;border-radius:18px;background:#07111f;color:#b9d6f2;overflow:auto;font-size:clamp(.68rem,1vw,.84rem);line-height:1.75}.service-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid rgba(255,255,255,.12)}.service-card{min-height:270px;display:grid;grid-template-columns:44px 1fr auto;gap:24px;padding:32px 18px 32px 0;border-bottom:1px solid 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img{width:100%;height:100%;object-fit:cover}.visual-code{color:rgba(255,255,255,.13);font-size:clamp(6rem,13vw,12rem);font-weight:900;letter-spacing:-.09em}.project-tag{position:absolute;left:18px;top:18px;padding:7px 10px;border-radius:999px;background:rgba(255,255,255,.92);font-size:.62rem;font-weight:850}.project-copy{padding:clamp(22px,3vw,34px)}.project-copy h3{margin:5px 0 12px;font-size:clamp(1.4rem,2.3vw,2.15rem);line-height:1.12;letter-spacing:-.04em}.project-copy p{color:var(--muted)}.knowledge-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);gap:clamp(32px,7vw,90px)}.article-column{border-top:1px solid var(--line)}.article-row{display:grid;grid-template-columns:1fr auto;gap:20px;padding:24px 0;border-bottom:1px solid var(--line)}.article-row span{color:var(--accent);font-size:.67rem;font-weight:850;text-transform:uppercase;letter-spacing:.1em}.article-row h3{margin:6px 0 8px;font-size:1.25rem}.article-row 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.compact-hero,.detail-header{padding:clamp(130px,15vw,190px) 0 clamp(64px,8vw,100px);background:var(--ink);color:#fff}.compact-hero h1,.detail-header h1{max-width:980px;margin:8px 0 18px;font-size:clamp(2.4rem,5vw,4.7rem);line-height:1;letter-spacing:-.055em}.compact-hero p,.detail-lead{max-width:800px;color:#9eb0c4;font-size:clamp(1rem,1.5vw,1.2rem)}.listing-section{padding:70px 0}.listing-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.listing-card{overflow:hidden;border:1px solid var(--line);border-radius:20px;background:#fff}.listing-card img{width:100%;aspect-ratio:16/10;object-fit:cover}.listing-card>div{padding:23px}.listing-card small{color:var(--accent);font-weight:800}.listing-card h2{margin:7px 0 10px;font-size:1.35rem}.listing-card p{color:var(--muted)}.detail-section{padding:70px 0}.detail-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:70px}.article-body{font-size:1.04rem}.article-body h2,.article-body h3{margin-top:2.2em;line-height:1.2}.article-body p,.article-body li{color:#3f4f62}.article-body img{border-radius:18px}.detail-sidebar{align-self:start;position:sticky;top:100px}.related-card{display:block;padding:18px 0;border-bottom:1px solid var(--line)}.related-card h3{margin:5px 0;font-size:1rem}.breadcrumb{display:flex;gap:8px;color:#8ea1b7;font-size:.78rem}
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@media(max-width:820px){:root{--container:min(100% - 32px,720px)}.header-inner{min-height:66px}.main-nav{position:absolute;left:0;right:0;top:66px;display:none;align-items:stretch;flex-direction:column;gap:0;padding:10px;border:1px solid rgba(255,255,255,.12);border-radius:18px;background:#0d1b2d;box-shadow:0 20px 50px rgba(0,0,0,.3)}.main-nav.is-open{display:flex}.main-nav a{padding:12px}.nav-toggle{display:block}.login-button{margin-left:0}.hero-section{min-height:auto}.split-heading,.capability-card-wide,.knowledge-grid,.contact-card,.detail-grid{grid-template-columns:1fr}.capability-card-wide{grid-column:auto}.service-grid{grid-template-columns:1fr}.service-card:nth-child(odd){border-right:0;padding-right:0}.service-card:nth-child(even){padding-left:0}.project-showcase{grid-template-columns:1fr}.project-feature-large{grid-column:auto}.project-feature-large .project-visual{min-height:300px}.contact-actions{justify-content:flex-start}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:span 2}.detail-sidebar{position:static}.signal-track{justify-content:flex-start;overflow:auto}.window-body{min-height:420px}}
@media(max-width:560px){:root{--container:min(100% - 24px,520px)}.site-brand small{display:none}.login-button{display:none}.hero-section{padding-top:105px}.hero-copy h1{font-size:clamp(2.45rem,13vw,4rem)}.hero-proof{grid-template-columns:1fr;gap:12px}.platform-window{margin-inline:-4px;border-radius:20px}.window-bar{grid-template-columns:1fr auto}.window-bar>span{display:none}.window-body{grid-template-columns:39px 1fr;min-height:390px}.window-nav{gap:15px}.window-nav strong{width:27px;height:27px}.window-nav span{width:16px;height:16px}.window-content{padding:14px}.window-heading strong{font-size:.9rem}.window-heading>span{font-size:0;padding:7px}.window-stats{grid-template-columns:repeat(2,1fr)}.window-stats article:nth-child(3){display:none}.window-chart{height:180px}.window-chart svg{height:130px}.window-devices span:nth-child(n+3){display:none}.window-devices b{font-size:0}.window-devices b::after{content:"ACK 42 ms";font-size:.58rem}.capability-grid{grid-template-columns:1fr}.capability-card{min-height:auto}.template-stack{height:120px}.service-card{grid-template-columns:34px 1fr}.service-card .text-link{grid-column:2}.architecture-map article{grid-template-columns:30px 1fr}.architecture-map article>b{grid-column:2;justify-self:start}.listing-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.footer-bottom{flex-direction:column}.contact-card{padding:28px}.hero-actions .button,.contact-actions .button{width:100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}


/* LangitLab v3.0.1 — Light Professional public theme */
:root{
  --ink:#123354;
  --ink-2:#19466f;
  --panel:#1e4d78;
  --text:#14263a;
  --muted:#60758c;
  --line:#d8e5f0;
  --soft:#f4f9fe;
  --accent:#2f7df4;
  --accent-2:#55c9f5;
  --shadow:0 28px 70px rgba(28,68,108,.13);
}
.site-header::before{
  background:rgba(18,51,84,.84);
  border-bottom-color:rgba(255,255,255,.13);
}
.site-brand small{color:#b6cce0}
.main-nav{color:#d3e0ec}
.hero-section{
  background:
    radial-gradient(circle at 82% 20%,rgba(77,176,255,.30),transparent 31%),
    radial-gradient(circle at 38% 110%,rgba(89,221,255,.18),transparent 38%),
    linear-gradient(135deg,#123354 0%,#194c79 58%,#23618d 100%);
}
.hero-mesh{opacity:.23}
.hero-lead{color:#d1deea}
.hero-proof small{color:#aec2d5}
.platform-window{
  border-color:rgba(190,223,251,.38);
  background:rgba(22,59,93,.90);
  box-shadow:0 42px 90px rgba(10,37,64,.35);
}
.window-nav{background:rgba(17,46,74,.66)}
.window-nav span{background:#3c6287}
.window-stats article,.window-chart{border-color:rgba(255,255,255,.13);background-color:rgba(255,255,255,.055)}
.window-heading small,.chart-label,.window-devices{color:#a9bfd4}
.window-stats small,.window-stats span{color:#b0c4d7}
.signal-strip{background:#fbfdff}
.platform-section{background:linear-gradient(180deg,#fff,#f2f8fe)}
.work-section{background:#f2f7fc}
.section-dark{background:linear-gradient(145deg,#123354,#1b4b75)}
.component-panel{
  background:linear-gradient(145deg,#173b60,#225984);
  box-shadow:0 22px 55px rgba(26,70,111,.20);
}
.contact-card{
  background:
    radial-gradient(circle at 82% 18%,rgba(102,218,255,.22),transparent 30%),
    linear-gradient(135deg,#153a5e,#215b87);
}
.site-footer{background:#102c49}
.compact-hero,.detail-header{
  background:
    radial-gradient(circle at 82% 18%,rgba(85,201,245,.20),transparent 31%),
    linear-gradient(135deg,#123354,#1e5682);
}
.project-visual{background:linear-gradient(135deg,#17466f,#2b78a8)}
.main-nav.is-open{background:#19466f}
@media(max-width:820px){
  .site-header::before{background:rgba(18,51,84,.94)}
}

/* LangitLab v3.0.2 — rich technical article content */
.prose{font-size:clamp(1rem,1.2vw,1.08rem);line-height:1.82;color:#334b62}
.prose h2{margin:2.4em 0 .72em;color:#173b60;font-size:clamp(1.55rem,2.7vw,2.25rem);line-height:1.16;letter-spacing:-.035em}
.prose h3{margin:2em 0 .65em;color:#204f79;font-size:clamp(1.2rem,2vw,1.55rem);line-height:1.25}
.prose p{margin:0 0 1.15em}.prose ul,.prose ol{margin:0 0 1.35em;padding-left:1.4em}.prose li{margin:.42em 0;padding-left:.2em}
.prose blockquote{margin:1.7em 0;padding:18px 22px;border-left:4px solid var(--accent);border-radius:0 16px 16px 0;background:#eef6fd;color:#244866}
.prose hr{height:1px;margin:2.5em 0;border:0;background:#dce7f1}
.prose code:not(.code-block code){padding:.12em .38em;border:1px solid #d9e6f2;border-radius:6px;background:#eff5fa;color:#174c77;font-size:.9em}
.code-block{margin:1.5em 0 2em;padding:20px 22px;overflow:auto;border:1px solid #263c52;border-radius:18px;background:#101a27;box-shadow:0 18px 42px rgba(13,36,59,.16)}
.code-block code{display:block;min-width:max-content;color:#dce9f5;font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;font-size:clamp(.78rem,1.05vw,.94rem);line-height:1.62;white-space:pre;tab-size:2}
.article-figure{margin:2em 0 2.4em}.article-figure img{width:100%;height:auto;border:1px solid #d7e4ef;border-radius:22px;background:#f4f8fc;box-shadow:0 22px 55px rgba(24,63,99,.13)}
.article-figure figcaption{max-width:880px;margin:12px auto 0;color:#687e93;font-size:.88rem;line-height:1.55;text-align:center}
.detail-cover img{border:1px solid #d7e4ef;box-shadow:0 24px 65px rgba(24,63,99,.14)}
@media(max-width:680px){.code-block{margin-inline:-6px;padding:16px 14px;border-radius:14px}.article-figure{margin-inline:-6px}.article-figure img{border-radius:16px}.prose{line-height:1.72}}

/* LangitLab v3.0.4 — responsive navigation and compact mobile hero */
.nav-login{
  display:inline-flex!important;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:40px;
  margin-left:6px;
  padding:9px 15px!important;
  border:1px solid rgba(255,255,255,.34);
  border-radius:999px;
  background:rgba(255,255,255,.10);
  color:#fff!important;
  font-weight:800;
  letter-spacing:.01em;
  box-shadow:0 10px 26px rgba(5,24,44,.13);
}
.nav-login:hover{background:#fff;color:#173b60!important;border-color:#fff}
.nav-login svg{width:18px;height:18px;flex:0 0 auto}
.hero-lead-mobile{display:none}

@media(max-width:1120px){
  .main-nav{gap:2px}
  .main-nav a{padding-inline:9px}
  .nav-login{padding-inline:13px!important}
}

@media(max-width:820px){
  .header-inner{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px}
  .nav-toggle{grid-column:2}
  .main-nav{
    top:68px;
    left:12px;
    right:12px;
    padding:12px;
    border-radius:20px;
    max-height:calc(100svh - 84px);
    overflow:auto;
  }
  .main-nav a{padding:12px 14px;border-radius:12px}
  .main-nav a:hover{background:rgba(255,255,255,.08)}
  .main-nav .nav-login{
    margin:8px 0 0;
    min-height:46px;
    border-radius:14px;
    background:#fff;
    color:#173b60!important;
  }
}

@media(max-width:560px){
  :root{--container:min(100% - 28px,520px)}
  .site-header::before{backdrop-filter:blur(13px);-webkit-backdrop-filter:blur(13px)}
  .header-inner{min-height:62px}
  .site-brand strong{font-size:1rem}
  .brand-mark{transform:scale(.9);transform-origin:left center}
  .nav-toggle{width:42px;height:42px}
  .main-nav{top:64px}
  .hero-section{padding:94px 0 56px;min-height:auto}
  .hero-grid{gap:30px}
  .hero-copy{max-width:100%}
  .section-kicker{margin-bottom:14px;font-size:.66rem;line-height:1.35;letter-spacing:.10em}
  .hero-copy h1{
    max-width:22ch;
    margin-bottom:16px;
    font-size:clamp(2rem,9.4vw,2.65rem);
    line-height:1.04;
    letter-spacing:-.045em;
    text-wrap:balance;
  }
  .hero-lead{max-width:34ch;margin-bottom:22px;font-size:.96rem;line-height:1.58}
  .hero-lead-desktop{display:none}
  .hero-lead-mobile{display:inline}
  .hero-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}
  .hero-actions .button{width:auto;min-height:46px;padding:12px 11px;font-size:.82rem;white-space:nowrap}
  .hero-proof{grid-template-columns:1fr 1fr;gap:10px;margin-top:24px}
  .hero-proof span{padding:13px 14px;border-radius:15px}
  .hero-proof span:nth-child(3){display:none}
  .hero-proof strong{font-size:.93rem}
  .hero-proof small{font-size:.69rem}
  .platform-window{margin-inline:0;border-radius:18px}
  .window-body{min-height:330px}
  .window-chart{height:145px}
  .window-chart svg{height:105px}
  .signal-strip{padding-block:10px}
  .signal-track{font-size:.7rem}
  .section{padding-block:62px}
  .section-heading h2,.split-heading h2{font-size:clamp(1.85rem,8vw,2.45rem);line-height:1.08}
}

@media(max-width:390px){
  :root{--container:min(100% - 22px,370px)}
  .hero-section{padding-top:88px}
  .hero-copy h1{font-size:clamp(1.82rem,9.7vw,2.22rem)}
  .hero-actions{grid-template-columns:1fr}
  .hero-actions .button{width:100%}
  .platform-window{display:none}
  .hero-proof{margin-top:20px}
}

@media(max-width:560px) and (max-height:700px){
  .hero-section{padding-bottom:42px}
  .platform-window{display:none}
}