:root{--paper:#f4f7f7;--ink:#171916;--muted:#676b62;--line:#bdc8c9;--orange:#00a6b2;--orange-soft:#cceff1;--emerald:#087f88;--emerald-soft:#d7eff0;--cream:#f9fcfc;--max:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif}a{color:inherit;text-decoration:none}a:focus-visible{outline:3px solid var(--orange);outline-offset:4px}.wrap{width:min(var(--max),calc(100% - 48px));margin:auto}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}.eyebrow{font:800 11px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.09em;text-transform:uppercase;color:var(--orange)}
nav{position:sticky;top:0;z-index:20;border-bottom:1px solid var(--ink);background:rgba(244,240,230,.94);backdrop-filter:blur(12px)}.nav{height:68px;display:flex;align-items:center;justify-content:space-between}.brand{font-size:19px;font-weight:900;letter-spacing:-.04em}.brand i{font-style:normal;color:var(--orange)}.navlinks{display:flex;height:100%;align-items:center}.navlinks a{height:100%;display:flex;align-items:center;padding:0 17px;border-left:1px solid var(--line);font-size:13px}.navlinks a:last-child{background:var(--emerald);color:#fff;border-color:var(--ink)}
.hero{min-height:720px;border-bottom:1px solid var(--ink);display:grid;grid-template-columns:minmax(0,1.55fr) minmax(330px,.65fr)}.hero-main{padding:90px 56px 72px max(24px,calc((100vw - var(--max))/2));border-right:1px solid var(--ink)}.hero h1{font-size:clamp(64px,8.7vw,128px);line-height:.86;letter-spacing:-.078em;margin:44px 0 38px;max-width:980px}.hero h1 .orange{color:var(--orange)}.hero h1 .green{color:var(--emerald)}.hero-copy{max-width:720px;font-size:20px;color:#454d4e}.hero-copy strong{color:var(--ink)}.hero-side{display:flex;flex-direction:column}.spec{padding:25px 28px;border-bottom:1px solid var(--ink)}.spec:last-child{margin-top:auto;border-top:1px solid var(--ink);border-bottom:0;background:var(--orange)}.spec-label{font:700 10px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted);text-transform:uppercase;letter-spacing:.1em}.spec:last-child .spec-label{color:#073f44}.spec-value{font-size:18px;margin-top:8px}.spec:last-child .spec-value{font-weight:800}.arrow{font-size:32px;margin-top:16px}
.section{border-bottom:1px solid var(--ink)}.section-grid{display:grid;grid-template-columns:260px 1fr}.section-label{padding:54px 24px;border-right:1px solid var(--ink);font:700 11px/1.3 ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;letter-spacing:.08em}.section-body{padding:54px}.section h2{font-size:clamp(42px,5vw,72px);line-height:.98;letter-spacing:-.058em;margin:0 0 22px;max-width:930px}.lead{font-size:19px;color:var(--muted);max-width:760px;margin:0 0 44px}
.manifesto{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--ink)}.manifesto article{padding:26px;min-height:220px;border-right:1px solid var(--ink)}.manifesto article:last-child{border-right:0}.manifesto b{color:var(--emerald);font:800 12px ui-monospace,monospace}.manifesto h3{font-size:25px;letter-spacing:-.035em;margin:45px 0 10px}.manifesto p{color:var(--muted);margin:0}
.build{border-top:1px solid var(--ink);display:grid;grid-template-columns:90px 1fr 1fr;gap:30px;padding:34px 0;align-items:start}.build:last-child{border-bottom:1px solid var(--ink)}.build-no{color:var(--orange);font:800 12px ui-monospace,monospace}.build h3{font-size:38px;letter-spacing:-.05em;line-height:1;margin:0 0 12px}.status{display:inline-block;font:800 10px ui-monospace,monospace;text-transform:uppercase;letter-spacing:.08em;border:1px solid var(--emerald);color:var(--emerald);padding:5px 8px;margin-bottom:15px}.build p{margin:0;color:var(--muted)}.build-meta{display:grid;gap:12px}.meta-row{display:grid;grid-template-columns:110px 1fr;border-bottom:1px solid var(--line);padding-bottom:10px;font-size:13px}.meta-row span:first-child{font-family:ui-monospace,monospace;color:var(--muted)}.text-link{display:inline-block;margin-top:22px;color:var(--emerald);font-weight:800;border-bottom:2px solid var(--emerald)}
.journey{border-top:1px solid var(--ink)}.moment{display:grid;grid-template-columns:150px 1fr;min-height:170px;border-bottom:1px solid var(--line)}.moment .when{padding:24px 18px 24px 0;font:800 12px ui-monospace,monospace;color:var(--orange)}.moment .story{padding:24px 0 28px 30px;border-left:1px solid var(--ink)}.moment h3{font-size:26px;letter-spacing:-.035em;margin:0 0 8px}.moment p{color:var(--muted);margin:0;max-width:730px}.moment.current .story{background:linear-gradient(90deg,var(--emerald-soft),transparent);padding-left:30px}.moment.current h3:after{content:" NOW";font:800 10px ui-monospace,monospace;color:var(--emerald);letter-spacing:.08em;margin-left:10px}
.principle{background:var(--emerald);color:white}.principle .section-label{border-color:rgba(255,255,255,.5)}.principle .eyebrow{color:var(--orange-soft)}.principle .lead{color:#d9f1f2}.quote{font-size:clamp(34px,5vw,72px);line-height:1.02;letter-spacing:-.055em;max-width:1000px;margin:24px 0}.quote em{font-style:normal;color:#bcebef}
.contact-strip{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:end}.contact-strip p{max-width:620px;color:var(--muted)}.contact-note{font:700 12px ui-monospace,monospace;color:var(--orange)}
footer{padding:28px 0;font-size:12px}.foot{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}.foot a{text-decoration:underline;text-underline-offset:3px}
.page{max-width:980px;padding:90px 0 120px}.back{font:700 12px ui-monospace,monospace;color:var(--emerald)}.page h1{font-size:clamp(58px,8vw,104px);line-height:.88;letter-spacing:-.07em;margin:44px 0 32px}.page h2{font-size:31px;letter-spacing:-.035em;margin-top:58px}.page p,.page li{color:#50595a}.page a{text-decoration:underline;text-underline-offset:3px}.page-meta{display:flex;gap:30px;flex-wrap:wrap;border-block:1px solid var(--ink);padding:14px 0;font:700 11px ui-monospace,monospace}.notice{border-left:5px solid var(--orange);padding:6px 20px;margin:32px 0;background:#e5f5f6}.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);border:1px solid var(--ink);margin:36px 0}.feature-grid div{padding:22px;border-bottom:1px solid var(--line)}.feature-grid div:nth-child(odd){border-right:1px solid var(--line)}.feature-grid div:nth-last-child(-n+2){border-bottom:0}.feature-grid strong{display:block;margin-bottom:5px}.feature-grid span{color:var(--muted);font-size:14px}
@media(max-width:850px){.navlinks a:nth-child(-n+2){display:none}.hero{grid-template-columns:1fr;min-height:auto}.hero-main{padding:70px 24px;border-right:0}.hero-side{border-top:1px solid var(--ink)}.section-grid{grid-template-columns:1fr}.section-label{padding:18px 24px;border-right:0;border-bottom:1px solid var(--ink)}.section-body{padding:40px 24px}.manifesto{grid-template-columns:1fr}.manifesto article{border-right:0;border-bottom:1px solid var(--ink)}.manifesto article:last-child{border-bottom:0}.build{grid-template-columns:55px 1fr}.build-meta{grid-column:2}.contact-strip{grid-template-columns:1fr}.feature-grid{grid-template-columns:1fr}.feature-grid div,.feature-grid div:nth-child(odd){border-right:0;border-bottom:1px solid var(--line)}.feature-grid div:last-child{border-bottom:0}}
@media(max-width:520px){.wrap{width:calc(100% - 28px)}.hero h1{font-size:61px}.hero-main{padding-left:14px;padding-right:14px}.navlinks a{padding:0 12px}.moment{grid-template-columns:95px 1fr}.moment .story{padding-left:18px}.section-body{padding-left:14px;padding-right:14px}.build{gap:14px}.build h3{font-size:31px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* V3 cyan refinement: one accent family, quieter neutrals, original brand assets. */
:root{
  --paper:#f5f6f3;
  --surface:#eef2f1;
  --ink:#202322;
  --muted:#666d6b;
  --line:#c5cecc;
  --cyan:#0b8791;
  --cyan-deep:#086a72;
  --cyan-soft:#d9eeef;
  --cyan-pale:#edf7f7;
  --orange:var(--cyan);
  --orange-soft:var(--cyan-soft);
  --emerald:var(--cyan-deep);
  --emerald-soft:var(--cyan-soft);
  --cream:#fafbf8;
}
nav{background:rgba(245,246,243,.95)}
.brand{display:flex;align-items:center;padding-right:18px}
.brand img{display:block;width:150px;height:auto;max-height:42px;object-fit:contain;object-position:left center}
.hero-copy{color:var(--muted)}
.hero h1 .orange,.hero h1 .green{color:var(--cyan)}
.spec:last-child{background:var(--cyan-pale)}
.spec:last-child .spec-label{color:var(--cyan-deep)}
.spec:last-child .spec-value{color:var(--ink)}
.principle{background:var(--cyan-deep);color:#fff}
.principle .eyebrow{color:#bfe9ec}
.principle .lead{color:#d8eff0}
.quote em{color:#aee2e6}
.moment.current .story{background:linear-gradient(90deg,var(--cyan-pale),transparent)}
.notice{background:var(--cyan-pale)}
@media(max-width:520px){.brand img{width:126px}}

/* Build-level navigation -------------------------------------------------- */
.build-page__grid{grid-template-columns:300px minmax(0,1fr)}
.build-sidebar{border-right:1px solid var(--ink);min-width:0}
.build-sidebar__inner{position:sticky;top:68px;padding:54px 24px 64px}
.build-sidebar__title{font:800 12px/1.35 ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;letter-spacing:.09em;text-transform:uppercase;overflow-wrap:anywhere}
.build-sidebar__back{display:inline-flex;align-items:center;gap:8px;margin-top:30px;color:var(--muted);font:700 11px/1.3 ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;letter-spacing:.07em;text-transform:uppercase;transition:color .16s ease}
.build-sidebar__back:hover{color:var(--cyan-deep)}
.build-sidebar__nav{display:grid;margin-top:44px;border-top:1px solid var(--line)}
.build-sidebar__link{display:grid;grid-template-columns:28px 12px 1fr;gap:4px;align-items:center;padding:15px 0;border-bottom:1px solid var(--line);color:var(--muted);font:700 11px/1.25 ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;letter-spacing:.07em;text-transform:uppercase;transition:color .16s ease,padding-left .16s ease}
.build-sidebar__link strong{font:inherit;color:inherit}
.build-sidebar__link:hover{color:var(--ink);padding-left:5px}
.build-sidebar__link.is-active{color:var(--cyan-deep)}
.build-sidebar__link.is-active strong{font-weight:900}
.build-sidebar__link.is-active::after{content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan);justify-self:end}
.build-sidebar__link.is-active{grid-template-columns:28px 12px 1fr 8px}
.build-page__content{min-width:0;max-width:980px}
.build-page__content>h1{font-size:clamp(52px,6vw,88px);line-height:.92;letter-spacing:-.06em;margin:18px 0 30px;overflow-wrap:anywhere}
.build-page__cover{display:block;width:100%;height:auto;margin:34px 0}
.prose{max-width:820px}
.prose h2{font-size:clamp(28px,3vw,40px);line-height:1.05;letter-spacing:-.035em;margin:52px 0 18px}
.prose h3{font-size:24px;line-height:1.15;letter-spacing:-.025em;margin:40px 0 14px}
.prose p,.prose li{color:#50595a}
.prose a{color:var(--cyan-deep);text-decoration:underline;text-underline-offset:3px}
.prose ul,.prose ol{padding-left:1.45em}
.prose li+li{margin-top:8px}
.build-page__lessons{margin-top:54px;padding-top:8px;border-top:1px solid var(--line)}

@media(max-width:850px){
  .build-page__grid{grid-template-columns:1fr}
  .build-sidebar{border-right:0;border-bottom:1px solid var(--ink)}
  .build-sidebar__inner{position:static;padding:24px}
  .build-sidebar__back{margin-top:18px}
  .build-sidebar__nav{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:24px;border:1px solid var(--line)}
  .build-sidebar__link{display:flex;gap:5px;justify-content:center;padding:13px 10px;border-bottom:0;border-right:1px solid var(--line);text-align:center}
  .build-sidebar__link:last-child{border-right:0}
  .build-sidebar__link:hover{padding-left:10px}
  .build-sidebar__link.is-active{display:flex;background:var(--cyan-pale)}
  .build-sidebar__link.is-active::after{display:none}
}
@media(max-width:520px){
  .build-sidebar__inner{padding-left:14px;padding-right:14px}
  .build-sidebar__nav{grid-template-columns:1fr}
  .build-sidebar__link{justify-content:flex-start;border-right:0;border-bottom:1px solid var(--line)}
  .build-sidebar__link:last-child{border-bottom:0}
  .build-page__content>h1{font-size:48px}
}

/* Build media + external links ------------------------------------------ */
.build-page__heading{display:flex;align-items:center;gap:24px;margin-bottom:24px}
.build-page__heading h1{font-size:clamp(52px,6vw,88px);line-height:.92;letter-spacing:-.06em;margin:12px 0 0;overflow-wrap:anywhere}
.build-page__icon{width:112px;height:112px;flex:0 0 112px;object-fit:cover;border:1px solid var(--line);border-radius:22%;background:var(--surface)}
.build-page__heading+.lead{margin-top:0}
.build-links{margin:34px 0 44px;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}
.build-links__label{padding:11px 0;border-bottom:1px solid var(--line);color:var(--muted);font:800 10px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.1em}
.build-links__items a{display:grid;grid-template-columns:130px 1fr;gap:24px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line);transition:color .16s ease,padding-left .16s ease}
.build-links__items a:last-child{border-bottom:0}
.build-links__items a:hover{color:var(--cyan-deep);padding-left:6px}
.build-links__items span{color:var(--muted);font:700 10px/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.08em}
.build-links__items strong{font-size:14px;letter-spacing:-.01em}
.build-gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:34px 0 50px}
.build-gallery img{display:block;width:100%;height:auto;border:1px solid var(--line);background:var(--surface)}
@media(max-width:620px){
  .build-page__heading{align-items:flex-start;gap:16px}
  .build-page__icon{width:76px;height:76px;flex-basis:76px;border-radius:20%}
  .build-page__heading h1{font-size:44px}
  .build-links__items a{grid-template-columns:100px 1fr;gap:14px}
  .build-gallery{grid-template-columns:1fr}
}