/* ==========================================================================
   Landing page: one story, top to bottom.
   Hero → stack → demo → models → proof → developers → pricing → closing.
   ========================================================================== */
.landing{--lp-ink:#191b1d;--lp-dark:#1d2226;--lp-signal:#4a8bd0;--lp-ok:#3d6b55;--lp-hold:#8a6d3b;--lp-deny:#9b3b36}
.landing .section{padding-block:clamp(70px,8vw,120px)}
.landing .section-top{margin-bottom:38px}
.lp-kicker{display:flex;align-items:center;gap:12px;font:10px/1.5 var(--mono);letter-spacing:.09em;text-transform:uppercase;color:#4f5960}
.lp-kicker i{width:6px;height:6px;background:var(--lp-ink)}

/* ---------- Hero ---------- */
.lp-hero{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);gap:clamp(36px,5vw,90px);align-items:center;padding-top:clamp(40px,5.5vw,86px);padding-bottom:clamp(50px,6vw,96px)}
.lp-hero h1{margin-top:26px;font-size:clamp(40px,4.35vw,70px);font-weight:500;line-height:1.06;letter-spacing:-.06em}
.lp-hero h1>span{display:block;color:#737a80}
.lp-hero .lp-lead{margin-top:26px;max-width:560px;font-size:clamp(16px,1.25vw,19px);line-height:1.65;letter-spacing:-.015em;color:#4b555d}
.lp-hero .hero-actions{margin-top:32px}
.lp-make{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin:38px 0 0;padding:0;list-style:none;background:var(--line);border:1px solid var(--line)}
.lp-make li{position:relative;display:flex;flex-direction:column;gap:4px;padding:16px 16px 15px;background:var(--paper);min-width:0}
.lp-make .mono{font-size:9px;color:#6d767e}
.lp-make strong{margin-top:8px;font-size:15px;font-weight:600;letter-spacing:-.02em;line-height:1.25}
.lp-make small{font-size:11px;color:#68727a;line-height:1.45}
.lp-state{align-self:flex-start;margin-top:10px;padding:3px 7px;font:9px/1.4 var(--mono);font-style:normal;letter-spacing:.05em;text-transform:uppercase;border:1px solid}
.lp-state.is-live{color:#3b5b4a;border-color:#6e83777a;background:#d0d9d25c}
.lp-state.is-mvp{color:#4b5d6d;border-color:#6b7e8d80;background:#cbd3da66}
.lp-state.is-dev{color:#695d49;border-color:#93846b80;background:#d9d4c966}

/* Hero visual: the trust boundary, live */
.lp-core{position:relative;margin:0;border:1px solid var(--line);background:#dfe2e5;overflow:hidden;isolation:isolate}
.lp-core:before{content:'';position:absolute;inset:0;z-index:-1;background-image:linear-gradient(#27303910 1px,transparent 1px),linear-gradient(90deg,#27303910 1px,transparent 1px);background-size:32px 32px}
.lp-core svg{display:block;width:100%;height:auto;overflow:visible}
.lp-core text{font-family:var(--mono);letter-spacing:.06em}
.lp-core .t-hud{font-size:9px;fill:#5d676f}
.lp-core .t-label{font-size:8.5px;fill:#6d767e}
.lp-core .t-title{font-family:var(--sans);font-size:13px;font-weight:600;letter-spacing:-.01em;fill:#20262b}
.lp-core .t-dark{fill:#aebbc4}
.lp-core .t-light{font-family:var(--sans);font-size:13px;font-weight:600;letter-spacing:-.01em;fill:#eef2f4}
.lp-core .box{fill:#edf0f2;stroke:#4f5c6640;stroke-width:1}
.lp-core .enclave{fill:#1e2327}
.lp-core .enclave-in{fill:none;stroke:#d4dce22b}
.lp-core .chip{fill:#2a3136;stroke:#eef2f41f;transition:fill .35s,stroke .35s}
.lp-core .chip.is-on{fill:#333c42;stroke:#eef2f480}
.lp-core .chip-bar{fill:#eef2f4;transform-box:fill-box;transform-origin:left center}
.lp-core .wire{fill:none;stroke:#66737c;stroke-width:1.1;stroke-dasharray:3 4}
.lp-core .wire-solid{fill:none;stroke:#66737c;stroke-width:1.1}
.lp-core .gate{fill:#edf0f2;stroke:#20262b;stroke-width:1.2}
.lp-core .tool{fill:#edf0f2;stroke:#4f5c6640;transition:fill .3s,stroke .3s}
.lp-core .tool.is-on{fill:#fff;stroke:#20262b}
.lp-core .ledger{fill:#1e2327}
.lp-core .packet{fill:#20262b}
.lp-core .packet-light{fill:#eef2f4}
.lp-core .halo{fill:none;stroke:var(--lp-signal);stroke-width:1.4;opacity:0}
.lp-core .verdict{opacity:0;transition:opacity .25s}
.lp-core .verdict.is-on{opacity:1}
.lp-core .v-allow rect{fill:var(--lp-ok)}.lp-core .v-deny rect{fill:var(--lp-deny)}.lp-core .v-hold rect{fill:var(--lp-hold)}
.lp-core .verdict text{font-size:9px;fill:#fff;letter-spacing:.08em}
.lp-core .trace text{font-size:9px;fill:#d7dee3}
.lp-core .trace .mark-allow{stroke:#9fd0b4}.lp-core .trace .mark-deny{stroke:#e3a19c}.lp-core .trace .mark-hold{stroke:#e0c48f}
.lp-core .scan{fill:url(#lp-scan)}
.lp-core figcaption{display:flex;justify-content:space-between;gap:16px;padding:12px 16px;border-top:1px solid var(--line);font:9px/1.5 var(--mono);letter-spacing:.06em;color:#5d676f;background:#e6e8ea}

/* ---------- Stack (architecture) ---------- */
.lp-stack{position:relative;padding-top:clamp(56px,6vw,96px);border-top:1px solid var(--line);isolation:isolate}
.lp-stack .stack-heading{padding-bottom:24px}
.lp-stack .stack-heading h2{font-size:clamp(40px,4.4vw,68px);letter-spacing:-.06em;line-height:1.08}
.lp-stack .stack-heading>p{margin-top:20px;font-size:clamp(16px,1.3vw,20px);color:#596169;max-width:720px;line-height:1.65}
.stack-layout{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);column-gap:clamp(28px,4vw,72px);align-items:start}
.lp-stack-visual{grid-column:2;grid-row:1;position:sticky;top:24px;height:calc(100svh - 48px);max-height:960px;min-height:540px;display:flex;flex-direction:column;justify-content:center;margin:0;padding-bottom:60px}
.lp-stack-art{position:relative;width:100%;max-width:860px;margin-inline:auto}
.lp-stack-art svg{display:block;width:100%;height:auto;overflow:visible}
.lp-stack-visual figcaption{position:absolute;left:0;right:0;bottom:60px;display:flex;justify-content:space-between;gap:20px;padding-top:12px;border-top:1px solid #7f898e55;font:10px/1.6 var(--mono);color:#57636b}
.lp-stack-visual figcaption>span:first-child{color:#242f37}
.lp-stack .stack-map{position:absolute;bottom:0;left:0;right:0;display:flex;gap:8px;justify-content:flex-end}
.lp-stack .stack-map a{display:grid;place-items:center;min-width:44px;min-height:44px;border:1px solid #78858d66;color:#55636c;font:11px var(--mono);transition:background .2s,color .2s,border-color .2s}
.lp-stack .stack-map a[aria-current=step]{color:#fff;background:#272e33;border-color:#272e33}
.lp-stack .stack-map a:hover{border-color:#272e33}
.stack-story{grid-column:1;grid-row:1;list-style:none;margin:0;padding:0;min-width:0}
.stack-step{display:flex;align-items:center;min-height:78svh;padding-block:54px;scroll-margin-top:10svh}
.stack-step-copy{width:100%;max-width:500px;opacity:.45;transition:opacity .5s}
.stack-step.is-current .stack-step-copy{opacity:1}
.stack-step-meta{display:flex;gap:14px;justify-content:space-between;align-items:center;font:10px/1.5 var(--mono);color:#616b73;margin-bottom:24px}
.stack-availability{display:inline-block;white-space:nowrap;padding:5px 8px;border:1px solid #6e83777a;color:#3b5b4a;background:#d0d9d25c;font-size:9px}
.stack-mvp{color:#4b5d6d;border-color:#6b7e8d80;background:#cbd3da66}
.stack-building{color:#695d49;border-color:#93846b80;background:#d9d4c966}
.stack-step h3{font-size:clamp(34px,3.4vw,54px);line-height:1.1;letter-spacing:-.055em;margin-bottom:22px}
.stack-step p{color:#515c64;font-size:16px;line-height:1.8;max-width:430px}
.stack-boundary{margin:26px 0 22px;padding-left:14px;border-left:2px solid #9aa4ab;display:flex;flex-direction:column;gap:5px;line-height:1.6;transition:border-color .4s}
.stack-step.is-current .stack-boundary{border-left-color:#20262b}
.stack-boundary>span{font:10px var(--mono);color:#64717a}
.stack-boundary>strong{font-weight:500;font-size:13px;color:#303e47}
.stack-step .plain-link{font-size:12px;gap:15px}
.stack-outro{display:flex;gap:40px;align-items:center;justify-content:space-between;padding-block:44px 64px;border-top:1px solid var(--line)}
.stack-outro>p{font-size:clamp(24px,2.3vw,36px);letter-spacing:-.045em;line-height:1.35}
.stack-outro>p strong{font-weight:500}
.stack-outro>div{max-width:430px}
.stack-outro small{display:block;margin-top:16px;font-size:11px;line-height:1.8;color:#64717a}

/* The isometric stack drawing */
.sl-layer{transition:opacity .8s cubic-bezier(.16,.84,.24,1),transform .9s cubic-bezier(.16,.84,.24,1)}
.sl-top{fill:url(#sl-face);stroke:#3c464e;stroke-width:1}
.sl-left{fill:#b9c0c6;stroke:#3c464e;stroke-width:1}
.sl-right{fill:#a3abb2;stroke:#3c464e;stroke-width:1}
.sl-art *{vector-effect:non-scaling-stroke}
.sl-art .ln{fill:none;stroke:#59636b;stroke-width:1}
.sl-art .ln-soft{fill:none;stroke:#7d868d;stroke-width:.8;stroke-dasharray:2 3}
.sl-art .fl{fill:#59636b}
.sl-art .cell{fill:#cdd3d8;stroke:#59636b;stroke-width:.8}
.sl-art .cell-hot{fill:#20262b;stroke:#20262b}
.sl-art .tx{font-family:var(--mono);font-size:13px;letter-spacing:.12em;fill:#3c464e}
.sl-art .tx-sm{font-family:var(--mono);font-size:10px;letter-spacing:.1em;fill:#3c464e}
.sl-art .tx-inv{font-family:var(--mono);font-size:11px;letter-spacing:.1em;fill:#eef2f4}
.sl-layer.is-current .sl-top{stroke:#151a1d;stroke-width:1.8}
.sl-layer.is-current .ln{stroke:#20262b;stroke-width:1.3}
.sl-layer.is-current .cell{fill:#e3e7ea}
.sl-layer.is-dim{opacity:.55}
.sl-pillar{stroke:#6b757d;stroke-width:1.2}
.sl-beam{fill:none;stroke:#20262b;stroke-width:2;stroke-dasharray:6 120;stroke-linecap:round;opacity:.0}
.sl-callout line{stroke:#7c858b;stroke-width:1}
.sl-callout path{fill:#20262b}
.sl-callout text{font-family:var(--mono);font-size:11px;fill:#20262b;letter-spacing:.08em}
.sl-callout{transition:transform .45s cubic-bezier(.16,.84,.24,1)}
.sl-packet{fill:#20262b}
.sl-shadow{fill:#26354033;filter:blur(10px)}

/* ---------- In action (demo) ---------- */
.lp-demo .product-film{margin-top:6px}
.lp-demo .heading-row p{max-width:420px}

/* ---------- Models ---------- */
.lp-models{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.lp-model{position:relative;display:flex;flex-direction:column;padding:32px 32px 28px;border:1px solid var(--line);background:#e3e6e9;min-width:0}
.lp-model.is-dark{background:#1d2226;color:#eef2f4;border-color:#1d2226;--line:#eef2f51f;--muted:#aab2b9}
.lp-model .mono{font-size:10px;color:#6d767e;letter-spacing:.06em}
.lp-model.is-dark .mono{color:#a3afb8}
.lp-model h3{margin-top:44px;font-size:clamp(36px,3.4vw,54px);letter-spacing:-.06em;line-height:1}
.lp-model>p{margin-top:14px;max-width:440px;font-size:15px;line-height:1.7;color:var(--muted)}
.lp-model dl{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin:30px 0 0;border-top:1px solid var(--line)}
.lp-model dl>div{padding:18px 14px 0 0}
.lp-model dl>div+div{padding-left:14px;border-left:1px solid var(--line)}
.lp-model dt{font:9px/1.5 var(--mono);letter-spacing:.06em;color:#737d86;text-transform:uppercase}
.lp-model.is-dark dt{color:#9aa6af}
.lp-model dd{margin:8px 0 0;font-size:clamp(26px,2.3vw,36px);letter-spacing:-.055em;line-height:1}
.lp-model dd small{font-size:.5em;margin-left:3px;color:#7f8790}
.lp-model.is-dark dd small{color:#9aa6af}
.lp-uses{display:flex;flex-wrap:wrap;gap:7px;margin-top:26px}
.lp-uses span{padding:6px 9px;border:1px solid #59636b40;font:10px/1.4 var(--mono);color:#4b555d}
.lp-model.is-dark .lp-uses span{border-color:#eef2f42e;color:#cdd5db}
.lp-model .plain-link{margin-top:auto;padding-top:26px;align-self:flex-start;font-size:13px}
.lp-model.is-dark .plain-link{border-bottom-color:#eef2f450}
.lp-teams{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;margin-top:20px;background:var(--line);border:1px solid var(--line)}
.lp-teams>div{display:flex;flex-direction:column;gap:10px;padding:20px 24px;background:var(--paper)}
.lp-teams .mono{font-size:10px;letter-spacing:.06em;color:#6d767e}
.lp-teams p{font-size:16px;letter-spacing:-.02em;color:#2f383f}
.lp-teams i{display:inline-block;width:6px;height:6px;margin-right:9px;vertical-align:1px}
.lp-teams .blue i{background:#5f8fc4}.lp-teams .red i{background:#c9786f}
.landing .heading-row h2>span{color:#747d84}
.lp-core #lpc-live rect{animation:lp-blink 1.3s steps(2,start) infinite}
@keyframes lp-blink{to{opacity:.2}}
.lp-soon{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-top:20px;padding:18px 24px;border:1px dashed #78838c80;color:#59636c;font-size:14px}
.lp-soon .mono{font-size:10px;color:#6d767e}

/* ---------- Proof ---------- */
.lp-proof{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:20px;align-items:stretch}
.lp-stats{display:grid;grid-template-rows:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.lp-stat{display:grid;grid-template-columns:minmax(140px,auto) 1fr;align-items:center;gap:26px;padding:28px 30px;background:#dfe2e5}
.lp-stat strong{font-size:clamp(50px,4.8vw,76px);font-weight:500;letter-spacing:-.07em;line-height:1}
.lp-stat strong>span{font-size:.4em;color:#7f8790;margin-left:5px;letter-spacing:-.04em}
.lp-stat p{font-size:15px;line-height:1.5;color:#3e4952}
.lp-stat small{display:block;margin-top:7px;font:9px/1.6 var(--mono);letter-spacing:.07em;color:#737d86;text-transform:uppercase}
.lp-stat a{display:inline-block;margin-top:10px;font-size:12px;border-bottom:1px solid #333a4150}
.lp-proof-foot{margin-top:18px;font:10px/1.75 var(--mono);color:#737d86}
.lp-proof-foot a{border-bottom:1px solid #737d8650}

/* ---------- Pricing band ---------- */
.lp-price{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.lp-price>article{display:flex;flex-direction:column;min-width:0;padding:26px 24px 24px;background:var(--paper)}
.lp-price>article.is-featured{background:#1d2226;color:#eef2f4;--muted:#aab2b9}
.lp-price .mono{font-size:10px;letter-spacing:.06em;color:#6d767e}
.lp-price .is-featured .mono{color:#a3afb8}
.lp-price strong{display:block;margin-top:26px;font-size:clamp(40px,3.6vw,58px);font-weight:500;letter-spacing:-.065em;line-height:1}
.lp-price strong small{font-size:13px;letter-spacing:0;margin-left:5px;color:#737d86;font-weight:400}
.lp-price .is-featured strong small{color:#9aa6af}
.lp-price p{margin-top:12px;font-size:14px;line-height:1.6;color:var(--muted)}
.lp-price a{margin-top:auto;padding-top:22px;align-self:flex-start;font-size:13px;border-bottom:1px solid #333a4150;padding-bottom:3px}
.lp-price .is-featured a{border-bottom-color:#eef2f450}
.lp-price-foot{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-top:22px}
.lp-price-foot .mono{font-size:9px;color:#7d858c}

/* ---------- Responsive ---------- */
@media(max-width:1100px){
  .lp-hero{grid-template-columns:1fr;gap:44px}
  .lp-core{max-width:760px}
  .lp-price{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:899px),(max-height:649px){
  .stack-layout{grid-template-columns:minmax(0,1fr)}
  .lp-stack-visual{grid-column:1;grid-row:1;position:relative;top:auto;height:auto;min-height:0;max-height:none;padding:10px 0 96px;max-width:680px;width:100%;margin-inline:auto}
  .stack-story{grid-column:1;grid-row:2;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:34px;margin-top:20px}
  .stack-step{min-height:0;padding:30px 0;align-items:start;border-bottom:1px solid var(--line)}
  .stack-step-copy{opacity:1;max-width:none}
  .stack-step h3{font-size:36px}
  .stack-outro{align-items:start}
}
@media(max-width:850px){
  .lp-models,.lp-proof{grid-template-columns:1fr}
}
@media(max-width:650px){
  .lp-hero{padding-top:28px}
  .lp-hero h1{font-size:clamp(34px,9.4vw,46px);line-height:1.1}
  .lp-make{grid-template-columns:1fr}
  .lp-make li{display:grid;grid-template-columns:28px 1fr auto;align-items:center;column-gap:10px;padding:14px}
  .lp-make strong{margin:0}
  .lp-make small{grid-column:2}
  .lp-state{grid-column:3;grid-row:1/3;margin:0}
  .lp-core figcaption{font-size:8px}
  .stack-story{display:block}
  .stack-step h3{font-size:34px}
  .stack-step h3 br{display:none}
  .stack-step p{font-size:15px}
  .stack-outro{flex-direction:column;gap:24px}
  .lp-stack .stack-heading h2{font-size:40px}
  .lp-model{padding:26px 22px}
  .lp-model h3{margin-top:30px}
  .lp-model dl{grid-template-columns:1fr 1fr 1fr}
  .lp-stat{grid-template-columns:1fr;gap:10px;padding:22px 24px}
  .lp-price{grid-template-columns:1fr}
  .lp-soon{flex-direction:column;align-items:flex-start;gap:8px}
  .lp-price-foot{flex-direction:column;align-items:flex-start;gap:14px}
}
@media(max-width:650px){.lp-teams{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){
  .sl-layer,.sl-callout,.stack-step-copy,.lp-stack .stack-map a{transition:none}
  .lp-core #lpc-live rect{animation:none}
}