/* Public entry point. Spacious editorial rhythm, then inspectable work. */
.is-home .sidebar,.is-home .mobile-bar,.is-home .topbar,.is-home .page-footer{display:none}.is-home .workspace{margin:0}.is-home #content{padding:0;max-width:none;min-height:100vh}.landing{--home-pad:clamp(24px,5.6vw,96px);overflow:clip;background:#f5f7fb}.home-header{margin:0 var(--home-pad);height:100px;display:flex;align-items:center;justify-content:space-between;gap:30px;border-bottom:1px solid #d6dbe5}.home-brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-size:26px;font-weight:750;letter-spacing:-1.5px;line-height:1;flex-shrink:0}.home-brand img{border-radius:10px}.version-tag{margin:2px 0 0 4px;font:11px var(--mono);letter-spacing:.5px;padding:5px 6px;border:1px solid #cfd6e3;border-radius:4px;color:#576174}.home-nav{display:flex;align-items:center;gap:30px;font-size:14px;color:#576174}.home-nav a{padding:12px 0}.home-nav a:hover{color:var(--accent)}.home-open{display:flex;align-items:center;gap:30px;font-size:13px;padding:11px 15px;border:1px solid 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0}.home-secondary:hover{color:var(--accent)}.hero-footnote{font-size:12px;color:#576174;margin-top:20px;display:flex;gap:7px;align-items:center}.tiny-cross{font-size:15px;color:#576174}.hero-field{height:525px;position:relative;margin-left:-20px;margin-right:-25px;isolation:isolate}.hero-field:before{content:'';position:absolute;inset:35px 0 20px;z-index:-2;opacity:.5;background-image:radial-gradient(#8094ba 0.65px,transparent .65px);background-size:19px 19px;mask-image:radial-gradient(ellipse at center,#000 10%,transparent 68%)}#learning-field{position:absolute;inset:0;width:100%;height:100%;display:block;z-index:1}.field-coordinates{position:absolute;top:18px;left:40px;right:30px;display:flex;justify-content:space-between;align-items:center;font:11px var(--mono);letter-spacing:.8px;color:#576174;z-index:3}.field-pause{width:30px;height:30px;border:1px solid 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p{font-size:13px;max-width:60%;line-height:1.6}.home-artifacts .mini-chart{width:48%;height:80%;right:-6px;bottom:-7px}.home-artifacts .mini-feedback{padding:29px;background:#dfe7f4}.home-artifacts .mini-feedback blockquote{font-size:22px;line-height:1.35;letter-spacing:-.6px;margin:8px 0 20px;max-width:270px}.home-artifacts .mini-feedback p{font-size:13px}.home-diagram .artifact-cover{background:#eceef3}.home-diagram img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply;padding:16px 20px 34px}.specimen-tag{position:absolute;left:23px;bottom:16px;color:#576174;font:11px var(--mono);letter-spacing:.8px}.home-artifacts .artifact-info{padding:23px 4px 5px;background:#f5f7fb}.home-artifacts .artifact-info h3{font-size:17px;letter-spacing:-.4px}.home-artifacts .artifact-meta{font-size:11px;margin-top:8px}.home-artifacts .artifact-info p{font-size:13px}.home-artifacts .artifact-bottom{font-size:11px!important;margin-top:15px;padding-top:11px}.home-disclosure{font-size:12px;color:#576174;line-height:1.8;margin-top:24px}.home-disclosure>span{color:#2549f5;margin-right:7px}.home-disclosure a{color:#4d5e7b;text-decoration:underline;text-underline-offset:3px}.capability-section{padding:80px var(--home-pad) 85px;background:#242931;color:#eef3fb}.capability-section .section-kicker{color:#99a4b8}.capability-section h2 em{color:#bfd6fd}.capability-section .home-section-heading>p{max-width:330px;color:#a8b3c7}.capability-layout{display:grid;grid-template-columns:1fr 1.4fr;gap:80px;margin-top:55px}.subject-selector{display:flex;flex-direction:column;justify-content:center}.subject-choice{border-bottom:1px solid #434c5b;display:flex;align-items:center;text-align:left;gap:20px;padding:20px 8px;color:#b0bcd1;font-size:15px;width:100%;min-height:72px}.subject-choice:first-child{border-top:1px solid #434c5b}.subject-choice:hover{background:#2f3847;color:white}.subject-choice.selected{color:#dbecff}.subject-symbol{font:23px Georgia,serif;min-width:30px}.subject-arrow{margin-left:auto;font-size:19px;color:#8d9cb6}.subject-choice.selected .subject-arrow{color:#cce1ff;transform:rotate(45deg)}.subject-feature{background:#d7e2f5;color:#323f57;border-radius:5px;overflow:hidden;position:relative;min-height:370px}.subject-feature-top{display:flex;justify-content:space-between;align-items:center;padding:24px 28px;font:11px var(--mono);color:#576174}.subject-feature-top .eyebrow{color:#576174}.subject-graphic{height:158px;position:relative;overflow:hidden;margin:0 28px;color:#576174}.subject-graphic svg{width:100%;height:100%;position:absolute;inset:0;opacity:.7}.subject-graphic>span{font:130px/1 Georgia,serif;position:absolute;right:25px;top:0;color:#3c5073;background:#d7e2f599}.subject-feature-content{padding:15px 28px 20px}.subject-feature-content 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@media(min-width:1700px){.landing{--home-pad:max(80px,calc((100vw - 1520px)/2))}.hero-field{height:600px}.home-hero{min-height:760px}.home-artifacts .artifact-cover{height:280px}}
@media(max-width:1100px){.home-header{height:86px}.home-brand{font-size:23px}.home-nav{gap:20px}.home-open{gap:15px}.home-hero{min-height:570px;padding-top:45px;padding-bottom:35px;grid-template-columns:1.2fr 1fr}.home-hero h1{font-size:7vw;letter-spacing:-4px}.hero-field{height:460px;margin-right:-25px;margin-left:-20px}.hero-description{max-width:330px;font-size:15px}.hero-actions{gap:18px}.home-cta{font-size:13px;padding:14px 16px;gap:15px}.home-secondary{font-size:13px;gap:9px}.field-caption{left:15px;right:20px}.field-note{font-size:10px}.home-metrics{grid-template-columns:1.1fr .8fr .8fr .9fr 1.2fr}.home-metrics>div,.home-metrics>a{padding:24px 18px}.home-metrics strong{font-size:38px}.metric-status p{font-size:14px}.metrics-intro p{font-size:15px}.home-metrics .status-label{font-size:10px;gap:4px}.home-section{padding-top:70px;padding-bottom:70px}.home-section-heading{gap:45px}.home-section-heading>div{max-width:310px}.home-artifacts .artifact-cover{height:200px}.home-artifacts .mini-slide{padding:23px}.home-artifacts .mini-slide h3{font-size:23px}.home-artifacts .mini-feedback{padding:24px}.home-artifacts .mini-feedback blockquote{font-size:18px}.capability-layout{gap:40px}.capability-links{grid-template-columns:repeat(3,1fr)}.home-final{padding:40px}.principle-grid{gap:30px}.principle-grid h3{font-size:17px}}
@media(max-width:760px){.landing{--home-pad:24px}.home-header{height:80px;gap:15px;flex-wrap:wrap}.home-brand{font-size:25px}.home-brand img{width:31px;height:31px}.version-tag{font-size:11px}.home-nav{display:none}.home-open{font-size:12px;padding:10px 12px;gap:10px}.home-open svg{width:16px}.home-hero{padding-top:43px;padding-bottom:25px;display:block;min-height:0}.hero-copy{padding:0}.edition-link{font-size:11px;letter-spacing:.7px}.edition-link>span:last-child{font-size:11px}.home-hero h1{font-size:clamp(48px,10.8vw,78px);letter-spacing:-3.5px;margin:26px 0}.teach-word{letter-spacing:-3px}.teach-word svg{bottom:-5px;height:10px}.hero-description{font-size:15px;line-height:1.8;max-width:430px}.hero-actions{gap:25px;margin-top:25px}.home-cta{padding:14px 17px;font-size:13px;min-height:50px;gap:20px}.home-secondary{font-size:13px}.hero-footnote{margin-top:15px;font-size:11px}.hero-field{height:390px;margin:10px -10px 0}.field-ring{width:75%;max-height:310px}.field-coordinates{top:10px;left:20px;right:20px;font-size:10px}.field-label{font-size:10px}.label-top{top:60px;left:40%}.label-right{right:12px}.label-bottom{bottom:64px;left:26%}.field-caption{left:20px;right:20px;bottom:0;font-size:11px}.field-note{font-size:10px}.home-metrics{grid-template-columns:repeat(3,1fr);min-height:0}.home-metrics .metrics-intro{grid-column:1/-1;border:0;flex-direction:row;justify-content:space-between;align-items:center;padding:20px 0}.metrics-intro p{font-size:15px;line-height:1.4;margin:0;text-align:right}.metrics-intro .eyebrow{font-size:11px;max-width:115px}.home-metrics>a:not(.metric-status){border-top:1px solid #d6dde9;padding:25px 16px;justify-content:flex-start}.home-metrics>a:nth-child(2){padding-left:0}.home-metrics>a:nth-child(4){border-right:0;padding-right:0}.home-metrics strong{font-size:38px}.home-metrics>a>span:last-child{font-size:11px;max-width:100px;line-height:1.6;margin-top:10px}.home-metrics>a strong>span{opacity:1;font-size:14px}.home-metrics .metric-status{grid-column:1/-1;padding:20px 0;border-top:1px solid #d6dde9;display:grid;grid-template-columns:1fr 1fr;gap:10px}.home-metrics .status-label{font-size:10px;gap:6px;align-self:start}.metric-status p{font-size:14px;margin:0;grid-column:2;grid-row:1/3;text-align:right}.home-metrics .metric-note{max-width:none!important;margin:0!important;font-size:11px!important;grid-column:1}.home-section{padding:56px var(--home-pad)}.section-kicker{font-size:11px;gap:20px;line-height:1.7}.section-kicker>span:last-child{max-width:100px;text-align:right}.section-kicker>a{text-align:right;font-size:10px;max-width:110px}.home-section-heading{display:block;margin:25px 0 28px}.landing h2{font-size:39px;letter-spacing:-1.8px;line-height:1.12}.landing h2 em{letter-spacing:-1.6px}.home-section-heading>div{max-width:100%;margin-top:22px}.home-section-heading p{font-size:15px}.home-section-heading .inline-link{margin-top:8px;font-size:13px}.home-artifacts{grid-template-columns:1fr;gap:30px}.home-artifacts .artifact-cover{height:240px}.home-artifacts .mini-slide{padding:28px}.home-artifacts .mini-slide h3{font-size:31px;max-width:70%;margin-top:10px}.home-artifacts .mini-slide p{font-size:14px;display:block;max-width:58%}.home-artifacts .mini-feedback{padding:30px}.home-artifacts .mini-feedback blockquote{font-size:26px;max-width:95%;line-height:1.3}.home-artifacts .mini-feedback p{font-size:14px}.home-artifacts .artifact-info{padding-top:18px}.home-artifacts .artifact-info h3{font-size:17px}.home-artifacts .artifact-bottom{font-size:12px!important}.home-disclosure{font-size:12px;line-height:1.85}.home-disclosure a{display:block;margin-top:6px}.capability-section{padding:48px var(--home-pad)}.capability-section .home-section-heading>p{margin-top:22px;font-size:15px;max-width:400px}.capability-layout{grid-template-columns:1fr;gap:28px;margin-top:20px}.subject-choice{min-height:60px;padding:16px 6px;font-size:15px}.subject-symbol{font-size:20px}.subject-feature{min-height:365px}.subject-feature-top{padding:23px}.subject-feature-content{padding:16px 23px 23px}.subject-feature-content h3{font-size:25px}.subject-graphic{margin:0 23px}.capability-links{grid-template-columns:repeat(2,1fr);margin-top:35px}.capability-links a{font-size:11px;gap:7px;padding:14px 6px}.principles-intro{display:block;margin-top:26px}.principles-intro>p{margin-top:22px;font-size:15px}.principle-grid{grid-template-columns:1fr;gap:30px;margin-top:35px}.principle-grid article{padding-top:20px}.principle-number{margin-bottom:15px}.principle-grid h3{font-size:22px}.principle-grid p{font-size:15px;max-width:100%;margin:12px 0}.principle-grid .inline-link{font-size:13px}.home-final{margin:0 var(--home-pad) 30px;padding:30px 27px 26px;min-height:380px;display:block}.home-final .eyebrow{font-size:11px}.home-final h2{font-size:41px;letter-spacing:-2px;margin:22px 0 28px;position:relative;z-index:1}.home-final>p{text-align:left;font-size:11px;margin-top:30px;max-width:210px;color:#d9e0ff}.home-footer{padding-bottom:25px;flex-wrap:wrap;gap:15px;justify-content:space-between}.home-footer .home-brand{font-size:21px}.home-footer>span{font-size:11px}.home-footer nav{margin:8px 0 0;width:100%;justify-content:space-between;gap:12px;font-size:12px;border-top:1px solid #d6dde9;padding-top:15px}.home-footer button{font-size:12px}}
@media(max-width:370px){.landing{--home-pad:20px}.home-brand{font-size:22px}.home-brand img{width:27px;height:27px}.version-tag{display:none}.home-open{font-size:11px;gap:6px}.home-hero h1{font-size:45px;letter-spacing:-3px}.hero-actions{gap:17px}.home-cta{font-size:12px;gap:12px}.home-secondary{font-size:12px}.hero-field{height:340px}.landing h2{font-size:35px}}
@media(prefers-reduced-motion:no-preference){.hero-copy{animation:arrive .7s both}.hero-field{animation:arrive 1.1s both}.home-metrics{animation:arrive .9s .1s both}@keyframes arrive{from{opacity:0;transform:translateY(15px)}to{opacity:1;transform:translateY(0)}}}

.mobile-label{display:none}
@media(max-width:760px){.home-open .desktop-label{display:none}.home-open .mobile-label{display:inline}.home-header{flex-wrap:nowrap}.home-open{min-height:42px}}

/* Text remains readable across the pale feature and dark capability surfaces. */
.capability-links a>span:first-child{color:#9fb1d1}.subject-choice{color:#b0bcd1}.subject-arrow{color:#9dafce}.subject-feature-top,.subject-feature-top .eyebrow,.subject-feature-content .eyebrow{color:#4c5c79}.version-tag,.edition-link,.hero-footnote,.home-metrics>a>span:last-child,.status-label,.section-kicker,.home-disclosure,.home-footer{color:#576174}.field-coordinates,.field-label,.field-note{color:#5f6d85}.capability-section .section-kicker{color:#a7b1c5}.home-final .eyebrow{color:#d2dcff}
@media(max-width:370px){.hero-actions{flex-wrap:wrap;gap:8px 20px}.hero-actions .home-cta,.hero-actions .home-secondary{white-space:nowrap;flex-shrink:0}.hero-actions .home-cta{gap:24px}}

/* Soft Field: the landing page takes the shape of its own graphic. Rounded tiles and
   pills replace ruled grids; the hero field itself is unchanged. */
.home-header{border-bottom:0}
.home-nav{gap:2px;padding:5px;background:rgba(255,255,255,.72);border:1px solid var(--hair);border-radius:999px;box-shadow:var(--shadow-sm)}
.home-nav a{padding:9px 18px;border-radius:999px}
.home-nav a:hover{background:var(--tint-blue);color:var(--accent-ink)}
.home-open{border-radius:999px;background:#fff;border:1px solid var(--hair-strong);box-shadow:var(--shadow-sm);padding:10px 12px 10px 20px;gap:16px}
.home-open:hover{background:#fff;border-color:rgba(37,73,245,.3);color:var(--accent-ink)}
.edition-link{font:600 13px var(--sans);letter-spacing:0;background:#fff;border:1px solid var(--hair);border-radius:999px;padding:6px 7px 6px 14px;box-shadow:var(--shadow-sm)}
.edition-link>span:last-child{border-radius:999px;background:var(--tint-blue);color:#2f45b8;padding:3px 10px;font-size:12px}
.edition-link .live-dot,.status-label .live-dot{background:var(--accent);box-shadow:0 0 0 4px rgba(37,73,245,.14)}
.home-cta{border-radius:999px;border:0;background:linear-gradient(180deg,#4060ff,#2549f5);box-shadow:var(--glow),inset 0 1px 0 rgba(255,255,255,.22);padding:12px 12px 12px 26px}
.home-cta:hover{background:linear-gradient(180deg,#4a69ff,#1d3fe6);box-shadow:0 18px 36px -14px rgba(37,73,245,.75)}
.home-cta svg{width:30px;height:30px;padding:6px;border-radius:50%;background:rgba(255,255,255,.18)}
.home-cta.light{background:#fff;color:var(--accent-ink);box-shadow:0 14px 30px -14px rgba(8,16,80,.5);padding:10px 10px 10px 22px}
.home-cta.light svg{background:var(--tint-blue)}
.home-cta.light:hover{background:#fff}
.home-secondary{padding:12px 18px;border-radius:999px}
.home-secondary:hover{background:#fff;box-shadow:var(--shadow-sm)}
.field-coordinates,.field-label,.field-note{font-family:var(--code)}

.landing .home-metrics{border:0;gap:14px;min-height:0;grid-template-columns:1fr .8fr .8fr 1fr 1.4fr}
.landing .home-metrics>div,.landing .home-metrics>a{background:#fff;border:1px solid var(--hair);border-radius:26px;box-shadow:var(--shadow-sm);padding:24px 26px}
.landing .home-metrics>.metrics-intro{background:none;border:0;box-shadow:none;padding-left:4px}
.landing .home-metrics>.metric-status{background:linear-gradient(160deg,#eef1ff,#e0e6ff);border-color:rgba(37,73,245,.1)}
.landing .home-metrics>a:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.eyebrow,.status-label{font:600 13px var(--sans);letter-spacing:0}
.home-metrics .metric-note{font-size:13px!important}

.section-kicker{font:500 14px var(--sans);letter-spacing:0}
.section-kicker>span:first-child{display:inline-flex;align-items:center;gap:10px;padding:5px 16px 5px 5px;background:#fff;border:1px solid var(--hair);border-radius:999px;box-shadow:var(--shadow-sm);color:var(--ink);font-weight:600}
.section-kicker b{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--accent);color:#fff;font:600 12px var(--sans)}
.section-kicker>a{padding:8px 14px;border-radius:999px;color:var(--accent-ink)}
.section-kicker>a:hover{background:#fff}

.home-artifacts{gap:22px}
.home-artifacts .artifact-card{background:#fff;border:1px solid var(--hair);border-radius:30px;padding:10px;box-shadow:var(--shadow-sm)}
.home-artifacts .artifact-card:hover{box-shadow:var(--shadow-md)}
.home-artifacts .artifact-cover{border-radius:22px}
.home-artifacts .artifact-info{background:transparent;padding:18px 14px 8px}
.home-artifacts .mini-slide{background:radial-gradient(120% 130% at 100% 0%,#3150e6 0%,#18226a 42%,#0e1440 100%)}
.specimen-tag{font:600 12px var(--sans);letter-spacing:0;background:rgba(255,255,255,.8);border-radius:999px;padding:4px 11px}

.capability-section{--inset:clamp(10px,2.2vw,36px);margin:0 var(--inset);padding-left:calc(var(--home-pad) - var(--inset));padding-right:calc(var(--home-pad) - var(--inset));border-radius:44px;background:radial-gradient(70% 90% at 100% 0%,rgba(80,110,255,.55),transparent 62%),radial-gradient(60% 80% at 0% 100%,rgba(37,73,245,.32),transparent 62%),#0d1338;color:#eef1ff}
.capability-section .section-kicker{color:#aeb8de}
.capability-section .section-kicker>span:first-child{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.14);color:#eef1ff;box-shadow:none}
.capability-section .section-kicker b{background:#fff;color:#1c2c95}
.capability-section h2 em{color:#b8c6ff}
.capability-section .home-section-heading>p{color:#b4bee3}
.subject-selector{gap:8px}
.subject-choice,.subject-choice:first-child{border:0;border-radius:20px;background:rgba(255,255,255,.04);padding:12px 18px 12px 12px;color:#c7cff0}
.subject-choice:hover{background:rgba(255,255,255,.09);color:#fff}
.subject-choice.selected{background:rgba(255,255,255,.13);box-shadow:inset 0 0 0 1px rgba(255,255,255,.16);color:#fff}
.subject-symbol{display:grid;place-items:center;width:42px;height:42px;min-width:42px;border-radius:50%;background:rgba(255,255,255,.08);font-size:19px}
.subject-arrow,.subject-choice.selected .subject-arrow{color:#aebcff}
.subject-feature{border-radius:34px;background:linear-gradient(160deg,#f4f6ff 0%,#dde4ff 100%);color:#1c2650}
.subject-feature-top,.subject-feature-top .eyebrow,.subject-feature-content .eyebrow{color:#4a5679;font:600 13px var(--sans);letter-spacing:0}
.subject-graphic{color:#4a63e0}
.subject-graphic>span{color:var(--accent);background:radial-gradient(closest-side,#e6eaff 62%,transparent)}
.subject-feature-content .inline-link{color:var(--accent-ink)}
.capability-links{display:flex;flex-wrap:wrap;gap:10px}
.capability-links a{border:0;border-radius:999px;background:rgba(255,255,255,.06);padding:8px 18px 8px 8px;font-size:14px;color:#d3daf7}
.capability-links a>span:first-child{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:rgba(255,255,255,.1);font:600 11px var(--sans);color:#c8d1ff}
.capability-links a>span:last-child{margin-left:4px;color:#aebcff}
.capability-links a:hover{background:rgba(255,255,255,.15);color:#fff}

.principle-grid{gap:18px}
.principle-grid article{background:#fff;border:1px solid var(--hair);border-radius:30px;padding:28px 28px 22px;box-shadow:var(--shadow-sm)}
.principle-number{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--tint-blue);color:#3045c0;font:600 13px var(--sans);margin-bottom:24px}

.home-final{border-radius:44px;background:radial-gradient(80% 120% at 100% 0%,#7590ff 0%,#3d5eff 34%,#2549f5 62%,#1a35cc 100%);box-shadow:0 44px 80px -44px rgba(37,73,245,.75);isolation:isolate}
.home-final>div:first-child{position:relative;z-index:2}
.final-field{position:absolute;inset:-28% -6% -28% 36%;z-index:0}
.final-field canvas{width:100%;height:100%;display:block}
.home-final>p{z-index:1;padding:12px 16px;border-radius:18px;background:rgba(28,52,210,.5);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.version-tag{border-radius:999px;border-color:var(--hair-strong);font:600 11px var(--sans);padding:4px 9px}
.home-footer button,.home-footer nav a{padding:8px 12px;border-radius:999px}
.home-footer button:hover,.home-footer nav a:hover{background:#fff}

@media(max-width:1100px){.landing .home-metrics{grid-template-columns:1fr .8fr .8fr .9fr 1.2fr}.landing .home-metrics>div,.landing .home-metrics>a{padding:22px 18px}}
@media(max-width:760px){
  .hero-actions{flex-wrap:wrap;gap:8px 6px}
  .home-cta{white-space:nowrap;padding:10px 10px 10px 22px;gap:16px}
  .home-secondary{white-space:nowrap;padding:12px 14px}
  .landing .home-metrics{grid-template-columns:repeat(3,1fr);gap:10px}
  .landing .home-metrics>a{padding:20px 16px}
  .landing .home-metrics>.metrics-intro{padding:8px 4px}
  .landing .home-metrics>.metric-status{padding:20px}
  .home-artifacts .artifact-card{border-radius:26px}
  .capability-section{border-radius:32px;--inset:10px}
  .capability-links a{font-size:13px}
  .principle-grid article{padding:24px}
  .home-final{border-radius:32px}
  .final-field{inset:34% -40% -24% 6%;opacity:.75}
  .home-footer nav{border-top:0}
}