@charset "UTF-8";
/* ============================================================
   OWENGO — visual system
   A calm builder's field journal. Editorial type, hairlines,
   one accent. Motion is quiet, optional and always interruptible.
   ============================================================ */

/* ---------- Fonts ---------- */
@font-face{
  font-family:"Space Grotesk";
  src:url("/fonts/space-grotesk-latin.woff2") format("woff2");
  font-weight:300 700;
  font-style:normal;
  font-display:swap;
}

/* ---------- Tokens ---------- */
:root{
  --ink:#162322;
  --ink-2:#1b2b28;
  --navy:#142c34;
  --teal:#7ec9ba;
  --teal-bright:#a5e0d1;
  --teal-dark:#236b5e;
  --amber:#d9a03f;
  --paper:#f3f6f5;
  --muted:#596b67;
  --line:#d9e1dd;
  --line-dark:#31413e;
  --white:#fff;
  --wrap:1300px;
  --font-display:"Space Grotesk",Inter,ui-sans-serif,system-ui,sans-serif;
  --font-body:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-mono:"SF Mono",ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;
  --ease:cubic-bezier(.22,1,.36,1);
  --space-section:clamp(76px,9.5vw,138px);
  --noise:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="160" height="160"><filter id="n"><feTurbulence type="fractalNoise" baseFrequency="0.8" numOctaves="2" stitchTiles="stitch"/><feColorMatrix type="saturate" values="0"/></filter><rect width="100%25" height="100%25" filter="url(%23n)" opacity="0.045"/></svg>');
}

/* ---------- Base ---------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:105px}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--font-body);font-size:16px;line-height:1.7;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button,a{touch-action:manipulation}
button{cursor:pointer}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--teal-dark);outline-offset:5px;border-radius:2px}
.dark :focus-visible,.footer :focus-visible{outline-color:var(--teal)}
::selection{background:var(--teal);color:var(--ink)}
h1,h2,h3,p{margin:0}
h1,h2,h3{font-family:var(--font-display);line-height:1.06;letter-spacing:-.035em;font-weight:540}
p+p{margin-top:1rem}
h1{font-size:clamp(2.7rem,1.7rem + 4vw,4.2rem);font-weight:530;line-height:1.05;letter-spacing:-.04em}
h2{font-size:clamp(2.05rem,1.5rem + 2.2vw,3.1rem);font-weight:545;letter-spacing:-.03em}
h3{font-size:clamp(1.3rem,1.18rem + .5vw,1.5rem);font-weight:560;letter-spacing:-.02em}
img,svg{max-width:100%}
.wrap{width:min(calc(100% - clamp(40px,6vw,96px)),var(--wrap));margin-inline:auto}
.mono,.eyebrow,.badge,.meta,.tag{font-family:var(--font-mono)}
.eyebrow{font-size:.75rem;letter-spacing:.16em;text-transform:uppercase;font-weight:500}
.muted{color:var(--muted)}
.dark{background:var(--ink);color:var(--paper);background-image:var(--noise)}
.dark .muted{color:#aabbb6}
.dark .eyebrow{color:var(--teal)}
.skip{position:absolute;left:16px;top:-100px;background:var(--teal);color:var(--ink);padding:12px 20px;z-index:100;border-radius:0 0 4px 4px;font-weight:600}
.skip:focus{top:0}

/* ---------- Header ---------- */
.header{
  border-bottom:1px solid var(--line-dark);background:var(--ink);color:var(--paper);
  position:sticky;top:0;z-index:50;transition:background .35s,border-color .35s,box-shadow .35s;
}
.header.is-scrolled{background:rgba(19,31,30,.88);-webkit-backdrop-filter:blur(12px) saturate(1.3);backdrop-filter:blur(12px) saturate(1.3);border-bottom-color:rgba(126,201,186,.22);box-shadow:0 12px 32px -22px rgba(0,0,0,.55)}
.header-inner{min-height:87px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.wordmark{font-family:var(--font-display);font-size:1.5rem;font-weight:640;letter-spacing:-.055em;transition:opacity .2s}
.wordmark:hover{opacity:.85}
.wordmark span{color:var(--teal)}
.nav{display:flex;gap:26px;align-items:center}
.nav a{font-size:.875rem;color:#b6c4bf;position:relative;padding:10px 0;transition:color .2s}
.nav a::after{content:"";height:2px;background:var(--teal);position:absolute;bottom:2px;left:0;right:0;transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.nav a:hover{color:var(--white)}
.nav a:hover::after{transform:scaleX(.4)}
.nav a[aria-current=page]{color:var(--white)}
.nav a[aria-current=page]::after{transform:scaleX(1)}
.menu-toggle{display:none;background:transparent;color:var(--white);border:1px solid #4d615a;border-radius:4px;padding:7px 14px;font-size:.8125rem;font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;transition:border-color .2s,background .2s}
.menu-toggle:hover{border-color:var(--teal);background:rgba(126,201,186,.08)}

/* ---------- Hero ---------- */
.hero{padding:clamp(84px,10.5vw,148px) 0 clamp(60px,7.5vw,104px)}
.hero-grid{display:grid;grid-template-columns:1.7fr 1fr;gap:clamp(44px,5.5vw,80px);align-items:center}
.hero .eyebrow{margin-bottom:30px;display:flex;align-items:center;gap:12px}
.hero .eyebrow::before{content:"";width:28px;height:1px;background:var(--teal);flex:none}
.hero h1{max-width:780px;text-wrap:balance}
.accent{color:var(--teal)}
.hero-copy{color:#b6c4bf;max-width:580px;margin-top:28px;font-size:clamp(1rem,.95rem + .3vw,1.1rem);line-height:1.8}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}

/* ---------- Buttons ---------- */
.button{
  display:inline-flex;align-items:center;justify-content:center;position:relative;overflow:hidden;isolation:isolate;
  border:1px solid var(--ink);border-radius:4px;min-height:50px;padding:12px 24px;
  font-size:.875rem;font-weight:600;letter-spacing:.01em;z-index:0;
  transition:color .25s,border-color .25s,transform .15s var(--ease);
}
.button::after{content:"";position:absolute;inset:-1px;background:var(--btn-hover,#a0dfcf);transform:translateY(103%);transition:transform .4s var(--ease);z-index:-1;border-radius:inherit}
.button:hover::after{transform:translateY(0)}
.button:active{transform:scale(.98)}
.button.primary{background:var(--teal);color:var(--ink);border-color:var(--teal);--btn-hover:var(--teal-bright)}
.button.secondary{color:var(--paper);border-color:#63716c;--btn-hover:#2d403b}
.button.secondary:hover{border-color:#8aa398}
.button.light{border-color:var(--line);background:var(--white);--btn-hover:#e5ede9}

/* ---------- Ledger (signature) ---------- */
.ledger{border:1px solid #41534c;border-radius:5px;padding:26px;background:var(--ink-2);position:relative}
.ledger::before,.ledger::after{content:"";position:absolute;width:11px;height:11px;pointer-events:none}
.ledger::before{top:-1px;left:-1px;border-top:1px solid var(--teal);border-left:1px solid var(--teal)}
.ledger::after{bottom:-1px;right:-1px;border-bottom:1px solid var(--teal);border-right:1px solid var(--teal)}
.ledger-top{display:flex;justify-content:space-between;border-bottom:1px solid #40514a;padding-bottom:18px;gap:15px}
.ledger .eyebrow{font-size:.6875rem;display:flex;align-items:center;gap:9px}
.ledger .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--teal);flex:none}
.ledger-label{font-size:.75rem;color:#bcc9c4}
.ledger-row{padding:22px 0;border-bottom:1px solid #40514a;display:grid;grid-template-columns:26px 1fr;gap:15px;transition:transform .3s var(--ease),background .3s}
.ledger-row:hover{transform:translateX(6px)}
.ledger-row:last-of-type{border:0}
.ledger-number{font-size:.75rem;color:#93aaa0;transition:color .25s;padding-top:2px}
.ledger-row:hover .ledger-number{color:var(--teal)}
.ledger-row h3{font-size:1.02rem;letter-spacing:-.015em;margin-bottom:9px;color:#e7eeea;transition:color .25s}
.ledger-row p{font-size:.8125rem;color:#a8bab2;line-height:1.7}
.ledger-bottom{border-top:1px solid #40514a;padding-top:18px;color:var(--teal);font-size:.75rem;letter-spacing:.06em}
.hero-bottom{margin-top:clamp(44px,5.5vw,72px);padding-top:26px;border-top:1px solid #3b4a44;display:flex;justify-content:space-between;gap:24px;color:#a8bab2;font-size:.8125rem}
.hero-bottom strong{color:#dce8e1;font-weight:480}

/* ---------- Sections ---------- */
.section{padding:var(--space-section) 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:clamp(38px,4.5vw,58px);position:relative;isolation:isolate}
.section-head .eyebrow{color:var(--teal-dark);margin-bottom:16px}
.section-head .text-link{font-size:.875rem;white-space:nowrap}
.section-intro{max-width:620px;color:var(--muted);margin-top:18px}

/* Ghost index numerals — the section anchors */
.ghost{
  position:absolute;left:-.03em;top:-.62em;z-index:-1;pointer-events:none;user-select:none;
  font-family:var(--font-display);font-weight:640;letter-spacing:-.04em;
  font-size:clamp(6.5rem,12.5vw,11.5rem);line-height:1;
  color:transparent;-webkit-text-stroke:1.5px rgba(35,107,94,.17);
}
.cases-section .ghost,.cases-section ~ * .ghost{-webkit-text-stroke-color:rgba(35,107,94,.15)}
@supports not (-webkit-text-stroke:1px black){.ghost{color:rgba(22,35,34,.055)}}

.text-link{position:relative;padding-bottom:5px;font-size:.9375rem}
.text-link::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:#71867d;transform-origin:left;transition:transform .35s var(--ease),background .25s,height .25s}
.text-link:hover{color:var(--teal-dark)}
.text-link:hover::after{background:var(--teal-dark);height:2px}

/* ---------- Projects ---------- */
.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.project-card{
  border:1px solid var(--line);border-radius:5px;background:var(--white);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .35s var(--ease),border-color .3s,box-shadow .35s;
}
.project-card:hover{border-color:#829d91;transform:translateY(-4px);box-shadow:0 18px 38px -24px rgba(22,35,34,.35)}
.project-diagram{height:176px;padding:23px;background:#e4ece8;display:flex;flex-direction:column;justify-content:space-between;border-bottom:1px solid var(--line)}
.project-diagram[data-type=digital]{background:#e8eaf0}
.project-diagram[data-type=ai]{background:#e1ebe9}
.diagram-top{display:flex;justify-content:space-between;font-size:.6875rem;color:#496159;letter-spacing:.09em}
.diagram-flow{display:flex;align-items:center;gap:7px}
.diagram-flow span{flex:1;text-align:center;background:rgba(255,255,255,.6);border:1px solid #a5bcb1;padding:12px 4px;font-size:.75rem;font-weight:550;border-radius:3px;transition:transform .3s var(--ease),border-color .3s,background .3s}
.diagram-flow i{width:14px;height:1px;background:#8fa69d;flex:none;transition:width .3s var(--ease),background .3s}
.project-card:hover .diagram-flow span{transform:translateY(-2px);border-color:#6fa08d;background:var(--white)}
.project-card:hover .diagram-flow i{width:22px;background:var(--teal-dark)}
.diagram-bottom{font-size:.6875rem;color:#536c61}
.card-body{padding:25px;flex:1;display:flex;flex-direction:column}
.card-top{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:19px}
.meta{color:var(--muted);font-size:.75rem}
.badge{font-size:.6875rem;border:1px solid #e7d6ae;border-radius:3px;padding:3px 8px;white-space:nowrap;color:#7a5a1f;background:#faf3e2;letter-spacing:.02em;transition:background .25s,border-color .25s}
.badge.active{color:#245e4b;background:#eef6f1;border-color:#c0dace}
.dark .badge{color:#e8c98a;background:rgba(217,160,63,.1);border-color:#8a6b33}
.dark .badge.active{color:var(--teal);background:rgba(126,201,186,.1);border-color:#3d7263}
.project-card h3{font-size:clamp(1.35rem,1.2rem + .5vw,1.55rem);margin-bottom:13px}
.project-card h3 a{transition:color .2s}
.project-card:hover h3 a{color:var(--teal-dark)}
.project-card p{font-size:.9375rem;line-height:1.75;color:var(--muted)}
.card-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:25px;font-size:.8125rem}
.card-bottom .view{position:relative;padding-bottom:4px}
.card-bottom .view::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:#8da396;transition:background .25s,height .25s}
.project-card:hover .view{color:var(--teal-dark)}
.project-card:hover .view::after{background:var(--teal-dark);height:2px}
.project-strip{display:flex;justify-content:space-between;border-top:1px solid var(--line);margin-top:30px;padding-top:24px;gap:20px;font-size:.875rem;color:var(--muted)}
.project-strip a{color:var(--ink);position:relative;padding-bottom:3px}
.project-strip a::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:var(--line);transition:background .25s}
.project-strip a:hover{color:var(--teal-dark)}
.project-strip a:hover::after{background:var(--teal-dark)}

/* ---------- Case studies ---------- */
.cases-section{background:#e7eeeb;border-block:1px solid var(--line)}
.case-list{border-top:1px solid #bacdc3}
.case-row{
  display:grid;grid-template-columns:70px 1.4fr 1fr 110px;gap:26px;padding:34px 0;border-bottom:1px solid #bacdc3;
  align-items:start;transition:background .3s;position:relative;
}
.case-row:hover{background:rgba(255,255,255,.55);box-shadow:inset 0 1px 0 rgba(255,255,255,.8)}
.case-num{font-size:.875rem;color:var(--teal-dark);padding-top:6px;transition:transform .3s var(--ease)}
.case-row:hover .case-num{transform:translateX(4px)}
.case-row h3{font-size:clamp(1.35rem,1.15rem + .9vw,1.7rem);line-height:1.28;margin-top:11px;transition:transform .35s var(--ease),color .2s}
.case-row:hover h3{transform:translateX(7px);color:var(--teal-dark)}
.case-row .summary{font-size:.9375rem;color:#4e6259;line-height:1.75;padding-top:34px}
.case-row .read{position:relative;justify-self:end;margin-top:39px;font-size:.8125rem;padding-bottom:4px}
.case-row .read::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:#728f80;transition:background .25s,height .25s}
.case-row:hover .read{color:var(--teal-dark)}
.case-row:hover .read::after{background:var(--teal-dark);height:2px}
.stage-note{font-size:.8125rem;color:var(--muted);margin-top:24px}

/* ---------- Method ---------- */
.method-grid{display:grid;grid-template-columns:repeat(5,1fr);margin-top:clamp(30px,4vw,52px)}
.method-item{position:relative;padding:24px 20px 0 0}
.method-item::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:#749f8b;transform-origin:left}
.method-item .mono{color:var(--teal-dark);font-size:.75rem;letter-spacing:.08em;transition:letter-spacing .3s var(--ease)}
.method-item:hover .mono{letter-spacing:.18em}
.method-item h3{margin:18px 0 12px;font-size:1.42rem;transition:color .2s}
.method-item:hover h3{color:var(--teal-dark)}
.method-item p{color:var(--muted);font-size:.9375rem;max-width:210px;line-height:1.75}

/* ---------- Focus ---------- */
.focus-section{padding-bottom:var(--space-section)}
.focus-box{background:var(--navy);color:var(--paper);background-image:var(--noise);padding:clamp(30px,4.5vw,56px);display:grid;grid-template-columns:1fr 1.25fr;gap:clamp(34px,5vw,60px);border-radius:5px;position:relative}
.focus-box::before,.focus-box::after{content:"";position:absolute;width:11px;height:11px;pointer-events:none}
.focus-box::before{top:-1px;left:-1px;border-top:1px solid var(--teal);border-left:1px solid var(--teal)}
.focus-box::after{bottom:-1px;right:-1px;border-bottom:1px solid var(--teal);border-right:1px solid var(--teal)}
.focus-box .eyebrow{color:var(--teal);margin-bottom:22px}
.focus-box h2{font-size:clamp(2rem,1.5rem + 1.6vw,2.6rem);max-width:380px;text-wrap:balance}
.focus-box p{color:#b6c4c1;margin-top:18px}
.focus-topics{display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,2.5vw,28px)}
.focus-topics div{border-top:1px solid #577276;padding-top:18px;transition:border-color .3s}
.focus-topics div:hover{border-top-color:var(--teal)}
.focus-topics h3{font-size:1.05rem;letter-spacing:-.01em}
.focus-topics p{font-size:.875rem;margin-top:9px;color:#a9bdbc}

/* ---------- Contact band ---------- */
.contact-band{padding:clamp(44px,6vw,72px) 0;border-top:1px solid var(--line)}
.contact-inner{display:flex;justify-content:space-between;gap:32px;align-items:center}
.contact-inner h2{font-size:clamp(1.7rem,1.4rem + 1.2vw,2.2rem);text-wrap:balance}
.contact-inner p{color:var(--muted);margin-top:10px}

/* ---------- Footer ---------- */
.footer{padding:clamp(40px,6vw,72px) 0 30px;background:var(--ink);color:#b4c3ba;font-size:.8125rem;background-image:var(--noise)}
.footer-mega{
  display:block;font-family:var(--font-display);font-weight:660;letter-spacing:-.05em;
  font-size:clamp(4.2rem,15.5vw,14.5rem);line-height:.85;color:var(--paper);
  user-select:none;margin-bottom:clamp(28px,4.5vw,56px);
}
.footer-mega span{color:var(--teal)}
.footer-inner{display:flex;justify-content:space-between;gap:20px;align-items:center;border-top:1px solid var(--line-dark);padding-top:26px}
.footer .wordmark{color:var(--paper);font-size:1.15rem}
.footer-middle{font-size:.6875rem;letter-spacing:.1em;text-transform:uppercase;color:#8fa39a}
.footer a{transition:color .2s}
.footer a:hover{color:var(--teal)}

/* ---------- Inner page hero ---------- */
.page-hero{padding:clamp(64px,9vw,120px) 0 clamp(56px,7.5vw,96px)}
.page-hero .eyebrow{margin-bottom:26px;display:flex;align-items:center;gap:12px}
.page-hero .eyebrow::before{content:"";width:28px;height:1px;background:var(--teal);flex:none}
.page-hero h1{max-width:920px;text-wrap:balance}
.page-hero p{max-width:640px;color:#b6c4bf;margin-top:26px;font-size:clamp(1rem,.95rem + .35vw,1.1rem);line-height:1.8}
.breadcrumb{display:flex;gap:12px;flex-wrap:wrap;font-size:.8125rem;color:#a0b8ab;margin-bottom:34px;font-family:var(--font-mono)}
.breadcrumb a{border-bottom:1px solid #607569;transition:color .2s,border-color .2s}
.breadcrumb a:hover{color:var(--teal);border-color:var(--teal)}

/* ---------- Filters ---------- */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}
.filter{
  border:1px solid #c2d0c9;background:transparent;border-radius:4px;padding:10px 16px;font-size:.875rem;color:#476055;min-height:44px;
  font-family:var(--font-mono);transition:background .25s,color .25s,border-color .25s,transform .15s var(--ease);
}
.filter[aria-pressed=true]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.filter:hover{border-color:var(--ink)}
.filter:active{transform:scale(.97)}
[hidden]{display:none!important}

/* ---------- Project detail ---------- */
.project-meta{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px;align-items:center;padding-bottom:34px}
.project-meta .tag{font-size:.75rem;color:#b8d2c5}

/* ---------- Article ---------- */
.article-grid{display:grid;grid-template-columns:230px minmax(0,760px);gap:clamp(44px,6vw,84px);align-items:start}
.toc{position:sticky;top:110px;display:grid;gap:10px}
.toc p{font-size:.75rem;letter-spacing:.12em;margin-bottom:12px;color:var(--muted)}
.toc a{font-size:.875rem;color:var(--muted);padding:5px 0;position:relative;transition:color .2s,padding-left .25s var(--ease)}
.toc a::before{content:"";position:absolute;left:0;top:50%;width:0;height:1px;background:var(--teal-dark);transition:width .25s var(--ease)}
.toc a:hover{color:var(--teal-dark);padding-left:16px}
.toc a:hover::before{width:10px}
.prose section{padding-bottom:38px;margin-bottom:36px;border-bottom:1px solid var(--line);scroll-margin-top:110px;counter-increment:record}
.prose h2{font-size:clamp(1.6rem,1.4rem + .8vw,1.9rem);margin-bottom:20px;display:flex;align-items:baseline;gap:14px}
.prose h2::before{content:counter(record,decimal-leading-zero);font-family:var(--font-mono);font-size:.72rem;color:var(--teal-dark);letter-spacing:.08em;font-weight:400;flex:none;transform:translateY(-2px)}
.prose h3{font-size:1.2rem;margin:24px 0 14px}
.prose p,.prose li{color:#42574d;font-size:1.0625rem;line-height:1.85;max-width:68ch}
.prose ul{padding-left:24px}
.callout{background:#e2eee7;border-left:3px solid #467964;padding:22px 26px;margin-bottom:36px;border-radius:0 4px 4px 0;font-size:.9375rem;color:#345341;line-height:1.8}
.callout strong{display:block;margin-bottom:7px;font-weight:640;letter-spacing:.01em}
.related{border-top:1px solid var(--line);padding-top:32px;margin-top:26px}
.related h3{margin-bottom:18px}
.related .text-link{font-size:1rem}

/* ---------- Systems ---------- */
.system-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.system-card{background:var(--white);border:1px solid var(--line);padding:clamp(26px,3vw,36px);border-radius:5px;transition:transform .35s var(--ease),border-color .3s,box-shadow .35s}
.system-card:hover{transform:translateY(-4px);border-color:#829d91;box-shadow:0 18px 38px -24px rgba(22,35,34,.3)}
.system-card .mono{font-size:.75rem;color:var(--teal-dark);letter-spacing:.08em}
.system-card h2{font-size:clamp(1.55rem,1.35rem + .8vw,1.85rem);margin:24px 0 14px}
.system-card h2 a{transition:color .2s}
.system-card:hover h2 a{color:var(--teal-dark)}
.system-card p{color:var(--muted);line-height:1.75}
.system-steps{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0}
.system-steps span{padding:7px 11px;background:#eaf2ec;border-radius:3px;font-size:.75rem;color:#385c49;font-family:var(--font-mono);transition:background .25s,color .25s}
.system-card:hover .system-steps span{background:#dcebe2}
.system-card .text-link{display:inline-block;margin-top:15px;font-size:.875rem}

/* ---------- Notes ---------- */
.note-row{display:grid;grid-template-columns:160px 1fr 180px;gap:30px;padding:36px 0;border-bottom:1px solid var(--line);transition:background .3s}
.note-row:hover{background:rgba(255,255,255,.6)}
.note-row h2{font-size:clamp(1.4rem,1.2rem + .9vw,1.7rem);transition:transform .35s var(--ease),color .2s}
.note-row:hover h2{transform:translateX(7px);color:var(--teal-dark)}
.note-row p{color:var(--muted);margin-top:12px;max-width:700px;line-height:1.75}
.note-row .meta{padding-top:6px}
.note-row .read{position:relative;justify-self:end;font-size:.875rem;align-self:start;padding-bottom:4px}
.note-row .read::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:#88a092;transition:background .25s,height .25s}
.note-row:hover .read{color:var(--teal-dark)}
.note-row:hover .read::after{background:var(--teal-dark);height:2px}

/* ---------- Now ---------- */
.now-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px}
.now-card{border:1px solid var(--line);background:var(--white);padding:clamp(26px,3vw,36px);border-radius:5px;transition:transform .35s var(--ease),border-color .3s,box-shadow .35s}
.now-card:hover{transform:translateY(-4px);border-color:#829d91;box-shadow:0 18px 38px -24px rgba(22,35,34,.3)}
.now-card .eyebrow{color:var(--teal-dark)}
.now-card h2{font-size:clamp(1.5rem,1.3rem + .8vw,1.8rem);margin:20px 0 16px}
.now-card p{color:var(--muted);line-height:1.75}
.now-card a{position:relative;display:inline-block;margin-top:22px;font-size:.875rem;padding-bottom:4px}
.now-card a::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:#7b9c88;transition:background .25s,height .25s}
.now-card:hover a{color:var(--teal-dark)}
.now-card:hover a::after{background:var(--teal-dark);height:2px}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:clamp(50px,7vw,100px)}
.about-grid h2{margin-bottom:26px;text-wrap:balance}
.about-grid p{font-size:1.0625rem;color:var(--muted);line-height:1.85}
.principles{border-top:1px solid var(--line);counter-reset:principle}
.principle{padding:26px 0;border-bottom:1px solid var(--line);counter-increment:principle}
.principle h3{font-size:1.12rem;letter-spacing:-.01em;margin-bottom:10px;display:flex;align-items:baseline;gap:12px}
.principle h3::before{content:counter(principle,decimal-leading-zero);font-family:var(--font-mono);font-size:.7rem;color:var(--teal-dark);letter-spacing:.08em;font-weight:400}
.principle p{font-size:.9375rem;line-height:1.75}
.contact-panel{padding:clamp(28px,4vw,48px);border:1px solid var(--line);background:var(--white);border-radius:5px;margin-top:clamp(44px,6vw,72px);position:relative}
.contact-panel::before,.contact-panel::after{content:"";position:absolute;width:11px;height:11px;pointer-events:none}
.contact-panel::before{top:-1px;left:-1px;border-top:1px solid var(--teal-dark);border-left:1px solid var(--teal-dark)}
.contact-panel::after{bottom:-1px;right:-1px;border-bottom:1px solid var(--teal-dark);border-right:1px solid var(--teal-dark)}
.contact-panel h2{margin-bottom:18px;text-wrap:balance}
.contact-panel>p{max-width:650px;color:var(--muted)}
.brief-form{display:grid;gap:20px;max-width:680px;margin-top:30px}
.brief-form label{display:grid;gap:9px;font-size:.875rem;font-weight:550}
.brief-form input,.brief-form textarea,.brief-form select{background:var(--paper);border:1px solid #b6c9bd;border-radius:4px;width:100%;padding:12px;color:var(--ink);transition:border-color .25s,box-shadow .25s}
.brief-form input:focus,.brief-form textarea:focus,.brief-form select:focus{border-color:var(--teal-dark);box-shadow:0 0 0 3px rgba(126,201,186,.28);outline:none}
.brief-form textarea{min-height:130px;resize:vertical}
.form-actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.form-status{font-size:.875rem;color:var(--teal-dark)}
.form-help{font-size:.8125rem;color:var(--muted);line-height:1.7}
.empty-state{padding:30px;border:1px solid var(--line);border-radius:5px}

/* ---------- 404 ---------- */
.not-found{text-align:center;padding:clamp(90px,14vw,170px) 24px}
.not-found h1{
  font-size:clamp(7rem,24vw,16rem);font-weight:640;letter-spacing:-.04em;line-height:.9;
  color:transparent;-webkit-text-stroke:2.5px var(--teal);
}
@supports not (-webkit-text-stroke:1px black){.not-found h1{color:var(--teal)}}
.not-found p{margin:26px auto 34px;max-width:440px;color:var(--muted);font-size:1.0625rem}

/* ============================================================
   Motion — gated: only with JS present AND motion allowed
   ============================================================ */
@media (prefers-reduced-motion: no-preference){
  html.js [data-reveal]{
    opacity:0;transform:translateY(26px);
    transition:opacity .8s var(--ease),transform .8s var(--ease);
    transition-delay:var(--d,0s);
  }
  html.js [data-reveal].in-view{opacity:1;transform:none}
  html.js [data-reveal][data-reveal-line]::before{transform:scaleX(0);transition:transform 1.1s var(--ease) calc(var(--d,0s) + .2s)}
  html.js [data-reveal][data-reveal-line].in-view::before{transform:scaleX(1)}

  [data-intro]{animation:rise .95s var(--ease) both;animation-delay:var(--d,0s)}
  @keyframes rise{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:none}}

  .ledger .eyebrow::before{animation:pulse 2.6s ease-out infinite}
  @keyframes pulse{0%{box-shadow:0 0 0 0 rgba(126,201,186,.45)}70%{box-shadow:0 0 0 9px rgba(126,201,186,0)}100%{box-shadow:0 0 0 0 rgba(126,201,186,0)}}

  html.js .nav.is-open a{animation:navIn .45s var(--ease) both;animation-delay:calc(var(--i,0)*45ms)}
  @keyframes navIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

  html.js .project-grid.is-swapping .project-card:not([hidden]){animation:cardIn .55s var(--ease) both;animation-delay:calc(var(--card-i,0)*55ms)}
  @keyframes cardIn{from{opacity:0;transform:translateY(16px) scale(.985)}to{opacity:1;transform:none}}
}

/* ---------- No-JS fallbacks ---------- */
html:not(.js) .filter-bar{display:none}
@media(max-width:800px){
  html:not(.js) .header-inner{flex-wrap:wrap;padding-block:20px}
  html:not(.js) .nav{display:flex;position:static;flex-direction:row;flex-wrap:wrap;padding:0;border:0;gap:8px 20px}
  html:not(.js) .menu-toggle{display:none}
}

/* ---------- Breakpoints ---------- */
@media(max-width:1100px){
  .wrap{width:calc(100% - 64px)}
  .nav{gap:18px}
  .hero-grid{gap:40px;grid-template-columns:1.5fr 1fr}
  .case-row{grid-template-columns:44px 1.3fr 1fr;gap:20px}
  .case-row .read{grid-column:2;justify-self:start;margin-top:6px}
  .case-row .summary{padding-top:0}
  .project-grid{gap:16px}
  .card-body{padding:22px}
  .article-grid{gap:40px;grid-template-columns:190px minmax(0,1fr)}
  .about-grid{gap:50px}
  .method-grid{grid-template-columns:repeat(3,1fr);gap:34px 22px}
  .method-item p{max-width:none}
}
@media(max-width:800px){
  .wrap{width:calc(100% - 40px)}
  .header-inner{min-height:74px}
  .menu-toggle{display:block}
  .nav{display:none;position:absolute;top:74px;left:0;right:0;background:rgba(19,31,30,.97);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);padding:15px 20px 25px;border-top:1px solid #40534a;flex-direction:column;gap:6px;align-items:stretch}
  .nav.is-open{display:flex}
  .nav a{padding:12px 5px;font-size:1rem}
  .nav a::after{display:none}
  .hero{padding:56px 0 44px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero h1{max-width:660px}
  .hero h1 br{display:none}
  .ledger{max-width:none}
  .ledger-row{padding:16px 0}
  .hero-bottom{margin-top:44px;flex-direction:column;gap:7px}
  .section{padding:clamp(56px,10vw,80px) 0}
  .project-grid{grid-template-columns:1fr 1fr}
  .section-head{align-items:start;flex-direction:column;gap:20px}
  .section-head .text-link{margin-top:2px}
  .project-strip{flex-direction:column;gap:12px}
  .case-row{grid-template-columns:30px 1fr;gap:14px;padding:28px 0}
  .case-row .summary{grid-column:2}
  .case-row .read{grid-column:2;justify-self:start;margin-top:4px}
  .method-grid{grid-template-columns:repeat(3,1fr);gap:27px 15px}
  .focus-box{grid-template-columns:1fr;gap:35px}
  .contact-inner{align-items:start;flex-direction:column}
  .footer-inner{flex-wrap:wrap}
  .footer-middle{display:none}
  .page-hero{padding:52px 0 48px}
  .article-grid{grid-template-columns:1fr;gap:30px}
  .toc{position:static;display:flex;flex-wrap:wrap;gap:6px 18px;border-bottom:1px solid var(--line);padding-bottom:20px}
  .toc p{width:100%;margin:0}
  .toc a::before{display:none}
  .system-grid{grid-template-columns:1fr}
  .note-row{grid-template-columns:1fr;gap:12px}
  .note-row .read{justify-self:start}
  .now-grid{grid-template-columns:1fr}
  .about-grid{grid-template-columns:1fr;gap:40px}
  .contact-panel{padding:28px}
  .ghost{font-size:5.5rem;top:-.5em}
}
@media(max-width:500px){
  .project-grid{grid-template-columns:1fr}
  .hero .eyebrow{font-size:.6875rem;letter-spacing:.1em}
  .page-hero h1 br{display:none}
  .ledger-top{flex-direction:column;align-items:flex-start;gap:8px}
  .ledger-label{white-space:nowrap}
  .hero-copy{margin-top:22px}
  .actions{gap:10px}
  .actions .button{padding-inline:16px;flex:1}
  .hero-bottom{font-size:.75rem}
  .method-grid{grid-template-columns:1fr 1fr;gap:26px 20px}
  .method-item{padding-right:0}
  .method-item h3{font-size:1.25rem}
  .focus-box{padding:27px}
  .focus-topics{grid-template-columns:1fr;gap:20px}
  .case-row h3{font-size:1.3rem}
  .system-card{padding:26px}
  .contact-panel{padding:24px}
  .footer-inner{gap:14px}
  .page-hero p{font-size:1rem}
  .project-meta{gap:10px}
  .prose p,.prose li{font-size:1rem}
  .brief-form .button{width:100%}
  .contact-inner h2{font-size:1.7rem}
  .diagram-flow span{font-size:.75rem}
  .prose h2::before{display:none}
  .principle h3::before{display:none}
}

/* ---------- Reduced motion ---------- */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*:before,*:after{transition:none!important;animation:none!important}
}

/* ---------- Print ---------- */
@media print{
  .header,.footer,.contact-band,.toc,.filter-bar,.menu-toggle,.footer-mega,.ghost{display:none}
  .dark{background:white;color:#162322}
  .dark .muted,.page-hero p{color:#596b67}
  .wrap{width:100%}
  .section{padding:24px 0}
  .article-grid{display:block}
  .page-hero{padding:20px 0}
  .project-card{break-inside:avoid}
  .hero h1{font-size:2.5rem}
  .not-found h1{color:var(--teal-dark)}
}