/* Homepage visual system. Extends the existing Alpine Futurism identity. */
.home-visual{--maxw:1440px;--faint:#A0A8C1;--hairtext:#A0A8C1}
.home-visual [hidden]{display:none!important}
.home-visual .hero{min-height:0;display:block;padding:84px 0 0}
.home-visual .hero .wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.04fr);gap:54px;align-items:center;padding-bottom:66px}
.home-visual .hero .heroimg{opacity:.17;object-fit:cover}
.home-visual .hero .veil{background:linear-gradient(90deg,#0B0E1A 0%,rgba(11,14,26,.5) 70%,transparent)}
.home-visual .hero h1{font-size:clamp(50px,5.6vw,84px);max-width:650px;line-height:1.01;text-wrap:balance}
.home-visual .hero p{font-size:18px;max-width:540px;margin-top:28px}
.home-visual .kicker{font-size:12px;letter-spacing:.13em;line-height:1.7}
.home-visual .hero .cta{gap:12px;margin-top:30px}
.anatomy-jump{display:inline-flex;align-items:center;gap:16px;margin-top:27px;font-size:14px;color:#CAD0E2}
.anatomy-jump span{color:#2BD8C0;font-size:22px}
.hero-film{margin:0;min-width:0}
.hero-film>a{display:block;outline-offset:6px;border:1px solid #434951;transition:border-color .2s ease}
.hero-film>a:hover{border-color:#2BD8C0}
.hero-film img{width:100%;height:auto;aspect-ratio:1200/630}
.hero-film-link{display:flex;justify-content:space-between;gap:12px;padding:13px 15px;background:#142234;color:#E9EDF6;font-size:14px;line-height:1.5}
.hero-film>a{text-decoration:none}
.hero-film figcaption{font-size:12px;line-height:1.65;color:#ADB5CD;padding:13px 0}
.hero-film figcaption a{text-decoration:underline;text-underline-offset:3px}
.hero-principles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin-top:16px;border-top:1px solid #354259}
.hero-principles>div{padding:22px 12px 16px 0;min-width:0}
.hero-principles>div+div{border-left:1px solid #354259;padding-left:16px}
.hero-principles span{font:400 12px/1.6 'JetBrains Mono',monospace;letter-spacing:.025em;color:#90A5C0;display:block;margin-bottom:10px}
.hero-principles strong{font-size:17px;line-height:1.35;font-weight:500;display:block;color:#E9EDF6}
.hero-principles small{display:block;font-size:14px;line-height:1.55;color:#ADB9D1;margin-top:9px}
.home-visual .src a,.evidence-link a{color:#6EE8D5;text-underline-offset:4px}
.evidence-link{margin-top:28px;font-size:16px;color:#BAC4DA;line-height:1.6}
.home-visual .herofoot{position:relative;left:auto;right:auto;margin:0 56px;font-size:12px;line-height:1.6}
.home-visual .herofoot a{color:#2BD8C0}
.home-visual .sec{padding:88px 0}
.home-visual .src{font-size:14px;letter-spacing:0;color:#A9B2CD;max-width:1080px;line-height:1.7}
.home-visual .stat .d{font-size:12px;letter-spacing:.055em}
.home-visual .card p,.home-visual .engine p{font-size:16px;line-height:1.65}
.home-visual .h2{font-size:clamp(34px,4vw,56px);text-wrap:balance}
.home-visual .vclip .cap,.home-visual .vclip .cap .tx p{font-size:13px;line-height:1.7;letter-spacing:.025em}
.home-visual .vclip .cap .tx summary{font-size:12px}
.home-visual :is(a,button):focus-visible{outline:2px solid #64E6D4;outline-offset:5px}
.home-visual section[id]{scroll-margin-top:110px}
.visual-section-heading{display:flex;justify-content:space-between;gap:32px;align-items:flex-end;margin-bottom:48px}
.visual-section-heading>p{font-size:17px;line-height:1.65;color:#ACB6CC;max-width:380px}
.home-visual .method-engine{border:0;gap:18px;background:transparent}
.home-visual .method-engine>.cell{padding:24px 22px 30px;border-top:2px solid #404964;background:linear-gradient(160deg,#121A2C,#0B0E1A 85%);min-width:0;transition:border-color .25s,background .25s}
.home-visual .method-engine h3{margin:20px 0 22px;font-size:34px}
.stage-index{font:400 12px/1.5 'JetBrains Mono',monospace;letter-spacing:.025em;color:#B4BDDB}
.stage-visual{min-height:184px;display:flex;flex-direction:column;justify-content:center;position:relative;margin-bottom:24px;padding:14px 0;font:400 12px/1.5 'JetBrains Mono',monospace;gap:9px}
.stage-visual span{padding:9px 12px;border:1px solid #354463;background:#11192B;color:#C3CDE4;position:relative}
.stage-visual strong{display:block;font-weight:500;color:#6DE4D1;padding:10px 12px;border:1px solid #207F76;background:#0D252B;font-size:12px}
.design-visual{padding-right:24px}
.design-visual span{margin-right:12px;border-left:2px solid #9AA6FF}
.design-visual span:after{content:'';position:absolute;right:-22px;top:50%;width:20px;height:1px;background:#6676B5}
.design-visual:after{content:'';position:absolute;right:14px;top:34px;bottom:36px;border-right:1px solid #6676B5;border-bottom:1px solid #6676B5;width:12px}
.prove-visual span{text-align:center}
.prove-visual span:first-child{width:78%;align-self:center;border-style:dashed}
.prove-visual strong{color:#E8C188;border-color:#8B6A3D;background:#231F1C;text-align:center}
.launch-visual{border-left:1px solid #376A67;border-right:1px solid #376A67;padding:14px 14px}
.launch-visual strong{color:#F2F4FA;border-color:#8F9CAF;background:#253046;text-align:center}
.launch-visual span{text-align:center}
.launch-visual span:nth-child(2){border:0;background:transparent;padding:4px;color:#9EA9C8;font-size:12px}
.scale-visual{padding:18px 14px;border:1px solid #335B61;border-radius:0 30px 30px 0}
.scale-visual span{border:0;border-bottom:1px solid #263D4D;padding:4px 0;background:transparent}
.scale-visual strong{padding:9px 0;border:0;background:transparent}
.method-return{margin:24px 0 0;display:flex;gap:18px;align-items:center;padding:22px 26px;border-left:2px solid #CCAC73;border-bottom:1px solid #534A3D;background:#191C23}
.method-return>span{font-size:32px;color:#E8C188;line-height:1}
.method-return>strong{font-size:16px;font-weight:500;color:#F0D9B5;flex:none}
.method-return>p{font-size:15px;color:#C1BFC1;line-height:1.6}
.tour-controls{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:28px}
.motion-control{cursor:pointer;display:inline-flex;align-items:center;gap:24px;background:#2BD8C0;border:1px solid #2BD8C0;color:#082621;padding:12px 18px;min-height:46px;font:500 14px/1.4 'Space Grotesk',sans-serif;border-radius:4px}
.motion-control:hover{background:#6EE8D5}
.motion-control.secondary{background:transparent;color:#CBD2E4;border-color:#495670;padding:12px 16px}
.motion-control.secondary:hover{border-color:#8ADFD3;color:#EFF8F7}
.stage-pickers{display:flex;gap:6px;margin-left:auto;flex-wrap:wrap}
.stage-pickers button{min-height:44px;padding:10px 12px;color:#9EACC9;background:transparent;border:1px solid transparent;font:400 14px/1.5 'JetBrains Mono',monospace;cursor:pointer}
.stage-pickers button[aria-pressed=true]{border-color:#3ECDBA;color:#E5FCF7;background:#0B282D}
.stage-pickers button span{margin-left:5px}
.tour-status{font-size:13px;line-height:1.7;color:#A7B3CC;margin:15px 0 0;min-height:22px}
.method-tour[data-active="0"] [data-stage="0"],.method-tour[data-active="1"] [data-stage="1"],.method-tour[data-active="2"] [data-stage="2"],.method-tour[data-active="3"] [data-stage="3"]{border-color:#6EE8D5;background:linear-gradient(160deg,#163538,#101626 85%)}
.anatomy-section{background:#0A0D18}
.anatomy-section>.split{align-items:flex-start;gap:64px}
.anatomy-section .col{padding-top:42px;flex:0.83}
.anatomy-figure{margin:0;flex:1.3;min-width:0;padding:28px;border:1px solid #35445C;background:linear-gradient(150deg,#121B2D,#0B101D)}
.anatomy-head{display:flex;justify-content:space-between;gap:16px;font:400 12px/1.6 'JetBrains Mono',monospace;letter-spacing:.025em;color:#A4B4D3;margin-bottom:28px}
.node-label{display:block;font:400 12px/1.6 'JetBrains Mono',monospace;letter-spacing:.025em;color:#AEBBDA;margin-bottom:12px}
.human-command{border:1px solid #708096;border-top:3px solid #CBD5E6;padding:23px 24px;background:#1B2535}
.human-command h3{font-size:clamp(22px,2.2vw,28px);font-weight:500;line-height:1.2;letter-spacing:-.02em}
.human-command p{font-size:14px;line-height:1.7;color:#CBD2E1;margin-top:14px}
.delegation-boundary{margin:26px 0;position:relative;text-align:center}
.delegation-boundary:before{content:'';position:absolute;top:50%;left:0;right:0;border-top:1px dashed #8592DA}
.delegation-boundary>span{position:relative;background:#111A2B;padding:0 14px;font:400 12px/1.6 'JetBrains Mono',monospace;letter-spacing:.025em;color:#BCC5FF}
.operating-core{border:1px solid #2F6C6C;padding:22px;background:#0B242B}
.operating-core .node-label{color:#86DCCF}
.core-nodes{display:grid;grid-template-columns:1fr 32px 1fr;align-items:center;gap:10px}
.core-nodes strong{display:block;font-size:18px;font-weight:500;line-height:1.3}
.core-nodes div>span{display:block;font-size:13px;color:#AFCACD;margin-top:8px;line-height:1.6}
.flow-arrow{text-align:center;color:#5C9E9E;font-size:24px}
.model-connect{height:34px;text-align:center;color:#6A8F9F;font-size:26px;line-height:1.2}
.model-feedback{display:grid;grid-template-columns:1fr 24px 1fr;align-items:stretch;gap:8px}
.model-feedback>div{border:1px solid #41526D;padding:18px 15px;background:#131D30;min-width:0}
.model-feedback>.flow-arrow{align-self:center}
.model-feedback strong{display:block;font-size:17px;line-height:1.3;font-weight:500}
.model-feedback p{font-size:13px;line-height:1.7;color:#AAB6D0;margin-top:9px}
.escalation-route{margin:22px 0 0;border-left:1px solid #AF9067;border-bottom:1px solid #AF9067;padding:0 0 10px 14px;color:#E4C798;font-size:13px;line-height:1.6}
.escalation-route>span{font-size:20px;margin-right:10px}
.anatomy-figure .tour-controls{gap:10px;margin-top:26px}
.anatomy-figure figcaption{border-top:1px solid #34425A;padding-top:20px;margin-top:20px;font-size:13px;line-height:1.7;color:#A8B6CF}
.anatomy-figure figcaption a{color:#5CE0CA;text-decoration:underline;text-underline-offset:3px}
.anatomy-figure [data-stage]{transition:background .25s,border-color .25s,box-shadow .25s}
.anatomy-figure[data-active="0"] [data-stage="0"],.anatomy-figure[data-active="1"] [data-stage="1"],.anatomy-figure[data-active="2"] [data-stage="2"],.anatomy-figure[data-active="3"] [data-stage="3"]{border-color:#6FE8D5;box-shadow:inset 3px 0 #6FE8D5;background:#174047}
.home-visual .terra{height:auto;min-height:580px;padding:100px 0}
.terra-roots{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.32}
@media(max-width:1180px){
  .home-visual .method-engine{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stage-visual{min-height:188px}
  .method-return{flex-wrap:wrap;gap:12px}
  .method-return p{flex-basis:100%;padding-left:36px}
  .anatomy-section>.split{flex-direction:column;gap:36px;align-items:stretch}
  .anatomy-section .col{padding-top:0}
  .anatomy-section .h2{max-width:800px}
  .anatomy-figure{max-width:860px;width:100%;align-self:center}
}
@media(max-width:1000px){
  .home-visual .hero{padding-top:54px}
  .home-visual .hero .wrap{grid-template-columns:1fr;gap:40px;max-width:800px}
  .home-visual .hero h1{font-size:clamp(48px,8vw,72px)}
  .home-visual .hero p{max-width:650px}
  .home-visual .herofoot{margin:0 28px;flex-wrap:wrap}
  .home-visual .herofoot>span:nth-child(2){display:none}
}
@media(max-width:560px){
  .home-visual .wrap{padding-left:22px;padding-right:22px}
  .home-visual .hero .wrap{padding-bottom:34px;gap:32px}
  .home-visual .hero h1{font-size:clamp(44px,12vw,64px)}
  .home-visual .hero{padding-top:44px}
  .hero-principles strong{font-size:14px}
  .hero-principles span{font-size:12px;letter-spacing:0}
  .hero-principles>div+div{padding-left:10px}
  .home-visual .sec{padding:64px 0}
  .home-visual .btn{padding:14px 20px;min-height:48px}
  .home-visual .herofoot{margin:0 22px;font-size:12px}
  .visual-section-heading{display:block;margin-bottom:28px}
  .visual-section-heading>p{margin-top:24px;font-size:16px}
  .home-visual .method-engine{grid-template-columns:1fr;gap:20px}
  .home-visual .method-engine>.cell{padding:22px}
  .stage-visual{max-width:340px;min-height:168px;margin-left:auto;margin-right:auto}
  .method-return{padding:20px;gap:12px}
  .method-return>strong{flex:1;font-size:15px}
  .method-return>p{padding-left:0}
  .stage-pickers{margin-left:0;width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .stage-pickers button{padding:10px 9px}
  .stage-pickers button span{display:inline}
  .stage-pickers button{text-align:left;white-space:normal;min-width:0}
  .anatomy-figure{padding:18px}
  .anatomy-head{font-size:12px;flex-wrap:wrap;gap:6px}
  .human-command{padding:18px 16px}
  .human-command p{font-size:13px}
  .operating-core{padding:18px 15px}
  .core-nodes{grid-template-columns:1fr;gap:10px}
  .core-nodes .flow-arrow{transform:rotate(90deg);font-size:20px;height:26px;width:24px;margin:auto}
  .core-nodes>div{text-align:center}
  .model-feedback{grid-template-columns:1fr;gap:10px}
  .model-feedback>.flow-arrow{transform:rotate(90deg);width:24px;height:24px;margin:auto;line-height:1}
  .model-feedback>div{padding:18px}
  .delegation-boundary>span{font-size:12px;letter-spacing:0;padding:0 8px}
  .anatomy-figure .motion-control{font-size:13px;gap:12px}
  .home-visual .terra{padding:70px 0}
}
@media(prefers-reduced-motion:reduce){
  .home-visual{scroll-behavior:auto}
  .home-visual *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}