/* mf-v3.css — design system v3 (built on v2.1) (loaded after site.css + mf-ui.css). Overrides only. */
:root{
  --mf2-ease:cubic-bezier(.2,.7,.2,1);
  --mf2-grad:linear-gradient(135deg,var(--grad-a),var(--grad-b) 45%,var(--grad-c));
  --mf2-ring:color-mix(in srgb,var(--grad-b) 55%,transparent);
  --mf2-s1:.5rem;--mf2-s2:1rem;--mf2-s3:1.5rem;--mf2-s4:2.25rem;--mf2-s5:3.5rem;
  --mf2-fs-h1:clamp(2.1rem,1.5rem + 2.6vw,3.6rem);
  --mf2-fs-h2:clamp(1.55rem,1.15rem + 1.7vw,2.35rem);
  --mf2-fs-h3:clamp(1.08rem,1rem + .35vw,1.25rem);
}
/* ---------- typography ---------- */
body{text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
.hero h1,.page-head h1,.mf-head h1{font-size:var(--mf2-fs-h1);line-height:1.04;letter-spacing:-.025em}
.read h2,.page-section h2,main h2{font-size:var(--mf2-fs-h2);line-height:1.15;letter-spacing:-.015em;text-wrap:balance}
.post-card h3,.project-card h3,.mf-card h3{font-size:var(--mf2-fs-h3);line-height:1.3;text-wrap:balance}
.lede,.read p{text-wrap:pretty}
.hero h1 .grad{background:var(--mf2-grad);background-size:200% 200%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:mf2-shift 8s ease-in-out infinite}
.read-kicker,.eyebrow,.mf-kicker{letter-spacing:.14em}
.read-kicker::before{content:"";display:inline-block;width:18px;height:2px;margin-right:.6em;vertical-align:middle;border-radius:2px;background:var(--mf2-grad)}
/* ---------- spacing rhythm ---------- */
.read{padding-block:var(--mf2-s5)}
.read + .read{border-top:1px solid var(--line)}
.hero-actions{gap:var(--mf2-s2)}
/* ---------- hero animated background ---------- */
.hero{isolation:isolate}
.hero::after{content:"";position:absolute;inset:-30% -15%;z-index:-1;pointer-events:none;
  background:radial-gradient(40% 35% at 20% 30%,color-mix(in srgb,var(--grad-b) 26%,transparent),transparent 70%),
             radial-gradient(35% 30% at 80% 20%,color-mix(in srgb,var(--grad-c) 22%,transparent),transparent 70%),
             radial-gradient(30% 30% at 60% 80%,color-mix(in srgb,var(--grad-a) 14%,transparent),transparent 70%);
  opacity:.7;filter:blur(10px);animation:mf2-aurora 18s ease-in-out infinite alternate;will-change:transform}
.hero .geo{animation:mf2-float 12s ease-in-out infinite}
.hero .geo-2{animation-duration:15s;animation-direction:reverse}
.terminal{transition:transform .5s var(--mf2-ease),box-shadow .5s var(--mf2-ease);box-shadow:0 30px 80px -30px var(--glow),var(--shadow)}
.terminal:hover{transform:translateY(-4px)}
.tech-row li{transition:transform .2s var(--mf2-ease),border-color .2s,color .2s}
.tech-row li:hover{transform:translateY(-2px);border-color:var(--mf2-ring);color:var(--text)}
/* ---------- page-load (transform-only for hero = no LCP delay) ---------- */
.hero-grid > *{animation:mf2-rise .7s var(--mf2-ease) both}
.hero-grid > :nth-child(2){animation-delay:.12s}

/* ---------- buttons ---------- */
.btn{position:relative;overflow:hidden;transition:transform .18s var(--mf2-ease),box-shadow .25s,background-color .25s,border-color .25s}
.btn:not(.btn-ghost){box-shadow:0 8px 24px -12px var(--glow)}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 34px -14px var(--glow)}
.btn:active{transform:translateY(0) scale(.97);transition-duration:.06s}
.btn-ghost:hover{border-color:var(--mf2-ring)}
.btn:focus-visible,.door:focus-visible,.mf2-card a:focus-visible{outline:2px solid var(--grad-b);outline-offset:3px}
/* ---------- cards: doors, posts, projects, UK tools, steps ---------- */
.door,.post-card,.project-card,.mf-card,.step{position:relative;border-radius:var(--radius);
  transition:transform .35s var(--mf2-ease),box-shadow .35s var(--mf2-ease),border-color .35s}
.door::before,.post-card::before,.project-card::before,.mf-card::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;pointer-events:none;
  background:radial-gradient(260px circle at var(--mx,50%) var(--my,0%),var(--grad-b),transparent 60%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .35s}
.door:hover,.post-card:hover,.project-card:hover,.mf-card:hover,.step:hover{transform:translateY(-4px);border-color:var(--line-2);
  box-shadow:0 24px 50px -24px var(--glow),0 2px 0 0 color-mix(in srgb,var(--grad-b) 30%,transparent)}
.door:hover::before,.post-card:hover::before,.project-card:hover::before,.mf-card:hover::before{opacity:1}
.post-card,.project-card{overflow:hidden}
.post-card img,.project-thumb img{transition:transform .6s var(--mf2-ease),filter .6s}
.post-card:hover img,.project-card:hover .project-thumb img{transform:scale(1.05);filter:saturate(1.15)}
.door .icon-wrap{transition:transform .35s var(--mf2-ease),background .35s}
.door:hover .icon-wrap{transform:scale(1.06);color:var(--text)}
.badge,.chip,.mf-badge{transition:transform .2s,border-color .2s}
.chip:hover{transform:translateY(-1px);border-color:var(--mf2-ring)}
.step b{background:var(--mf2-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
/* ---------- nav ---------- */
.mf-topbar{transition:background-color .3s,box-shadow .3s,backdrop-filter .3s}
.mf-topbar.mf2-scrolled{box-shadow:0 10px 30px -18px rgba(0,0,0,.6);backdrop-filter:blur(14px) saturate(1.3);-webkit-backdrop-filter:blur(14px) saturate(1.3)}
.mf-links a{position:relative}
.mf-links a::after{content:"";position:absolute;left:12%;right:12%;bottom:2px;height:2px;border-radius:2px;background:var(--mf2-grad);transform:scaleX(0);transition:transform .3s var(--mf2-ease)}
.mf-links a:hover::after,.mf-links a[aria-current="page"]::after{transform:scaleX(1)}

.mf-burger{transition:transform .2s}
.mf-burger:active{transform:scale(.92)}
@media (max-width:900px){
  .mf-drawer{backdrop-filter:blur(18px) saturate(1.3);-webkit-backdrop-filter:blur(18px) saturate(1.3);border-radius:0 0 20px 20px}
  .mf-drawer a{min-height:48px;display:flex;align-items:center;font-size:1.02rem}
  .read{padding-block:var(--mf2-s4)}
  .door:hover,.post-card:hover,.project-card:hover,.mf-card:hover,.step:hover{transform:none}
}
/* ---------- scroll reveal (JS adds .mf2-js; content stays visible without JS) ---------- */
/* v3: reveal never hides content. Items below the fold animate in once; without JS / above the fold they are simply visible. */
.mf2-in{animation:mf3-up .6s var(--mf2-ease) both;animation-delay:var(--d,0s)}
@keyframes mf3-up{from{opacity:.001;transform:translateY(16px)}to{opacity:1;transform:none}}
/* scroll progress bar */
.mf2-progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:1000;pointer-events:none;background:var(--mf2-grad);transform-origin:0 50%;transform:scaleX(var(--p,0))}
::selection{background:color-mix(in srgb,var(--grad-b) 40%,transparent)}
/* ---------- keyframes ---------- */
@keyframes mf2-aurora{0%{transform:translate3d(-3%,0,0) rotate(0)}50%{transform:translate3d(3%,2%,0) rotate(4deg)}100%{transform:translate3d(-1%,-2%,0) rotate(-3deg)}}
@keyframes mf2-float{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-14px) rotate(8deg)}}
@keyframes mf2-shift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
@keyframes mf2-rise{from{transform:translateY(18px)}to{transform:none}}
@keyframes mf2-fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@keyframes mf2-pulse{0%{box-shadow:0 0 0 0 var(--mf2-ring)}70%,100%{box-shadow:0 0 0 10px transparent}}
/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .door:hover,.post-card:hover,.project-card:hover,.mf-card:hover,.step:hover,.btn:hover,.terminal:hover{transform:none}
  .mf2-progress{display:none}
}
@media print{.mf2-progress,.hero::after{display:none}.mf2-in{animation:none}}

/* ===== v2.1 — professional tokens ===== */
:root{--mf2-r-sm:10px;--mf2-r:16px;--mf2-r-lg:22px;
  --mf2-sh-1:0 1px 2px rgba(0,0,0,.25),0 4px 14px -6px rgba(0,0,0,.35);
  --mf2-sh-2:0 2px 4px rgba(0,0,0,.2),0 18px 40px -18px rgba(0,0,0,.55);
  --mf2-surface:color-mix(in srgb,var(--card) 92%,var(--text) 2%)}
html[data-theme="light"]{--mf2-sh-1:0 1px 2px rgba(20,24,40,.06),0 4px 14px -6px rgba(20,24,40,.12);--mf2-sh-2:0 2px 4px rgba(20,24,40,.05),0 18px 40px -18px rgba(20,24,40,.22)}
.door,.post-card,.project-card,.mf-card,.step{border-radius:var(--mf2-r);box-shadow:var(--mf2-sh-1);border-color:var(--line)}
.door:hover,.post-card:hover,.project-card:hover,.mf-card:hover,.step:hover{box-shadow:var(--mf2-sh-2)}
.badge,.chip,.mf-badge{border-radius:999px}
.btn{border-radius:var(--mf2-r-sm)}
.hero{padding-block:clamp(24px,5vw,64px) clamp(16px,3vw,40px)}
.hero .lede{max-width:56ch;margin-block:var(--mf2-s3)}
.hero .tech-row{margin-bottom:var(--mf2-s3)}
/* footer */
.mf-footer-grid{gap:clamp(24px,4vw,48px);padding-block:clamp(40px,6vw,64px) 32px}
.mf-footer-about p{max-width:42ch;line-height:1.65}
.mf-footer-cta{display:inline-flex;align-items:center;gap:6px;margin-top:6px;padding:9px 14px;border:1px solid var(--line-2);border-radius:var(--mf2-r-sm);transition:border-color .2s,background .2s}
.mf-footer-cta:hover{border-color:var(--mf2-ring);background:var(--chip)}
.mf-footer-bottom{border-top:1px solid var(--line);padding-block:18px;font-size:.85rem;color:var(--faint)}
@media (max-width:900px){.mf-footer-grid{grid-template-columns:1fr 1fr}.mf-footer-about{grid-column:1/-1}}
@media (max-width:520px){.mf-footer-grid{grid-template-columns:1fr}}

/* ===== blog: single post ===== */
.article{max-width:none}
.article > *{max-width:760px;margin-inline:auto}
.article > .post-grid,.article > h2{max-width:1120px}
.article h1{max-width:24ch;text-wrap:balance}
.article-meta{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:.92rem;color:var(--faint)}
.article-meta > span + span::before{content:"·";margin-right:16px;color:var(--line-2)}
.prose{max-width:68ch;font-size:18px;line-height:1.75}
.prose p,.prose li{color:color-mix(in srgb,var(--text) 82%,var(--muted))}
.prose > * + *{margin-top:1.05em}
.prose h2{font-size:clamp(1.45rem,1.2rem + 1vw,1.85rem);margin-top:2.2em;scroll-margin-top:90px;padding-top:.2em}
.prose h3{font-size:1.25rem;margin-top:1.8em;scroll-margin-top:90px}
.prose h2,.prose h3{position:relative}
.mf2-anchor{margin-left:.4em;color:var(--faint);text-decoration:none!important;opacity:0;transition:opacity .15s;font-weight:400}
.prose h2:hover .mf2-anchor,.prose h3:hover .mf2-anchor,.mf2-anchor:focus{opacity:1}
@media (hover:none){.mf2-anchor{opacity:.45}}
.prose ul,.prose ol{padding-left:1.4rem}
.prose li + li{margin-top:.4em}
.prose li::marker{color:var(--grad-b)}
.prose blockquote{margin:1.6em 0;padding:14px 20px;border-left:3px solid var(--grad-b);border-radius:0 var(--mf2-r-sm) var(--mf2-r-sm) 0;background:var(--chip);font-style:italic}
.prose blockquote p{color:var(--text)}
.prose :not(pre) > code{font-size:.88em;padding:.12em .4em;border-radius:6px}
.prose pre{position:relative;border-radius:var(--mf2-r-sm);border:1px solid var(--line);box-shadow:var(--mf2-sh-1);padding:18px 18px 16px;line-height:1.6;overflow:auto}
.prose pre code{font-size:14px}
.prose table{width:100%;border-collapse:collapse;font-size:.95rem}
.prose th,.prose td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left}
.prose img{border-radius:var(--mf2-r-sm)}
.mf2-copy{position:absolute;top:8px;right:8px;padding:4px 10px;font:500 12px/1.4 var(--mono);color:var(--muted);background:var(--card-2);border:1px solid var(--line-2);border-radius:8px;cursor:pointer;opacity:.0;transition:opacity .15s,color .15s}
.prose pre:hover .mf2-copy,.mf2-copy:focus-visible,.mf2-copy.is-done{opacity:1}
@media (hover:none){.mf2-copy{opacity:.9}}
.mf2-copy.is-done{color:var(--ok)}
/* back to top */
.mf2-top{position:fixed;right:18px;bottom:18px;z-index:900;width:44px;height:44px;border-radius:50%;border:1px solid var(--line-2);background:var(--panel);color:var(--text);box-shadow:var(--mf2-sh-2);cursor:pointer;font-size:18px;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .2s,transform .2s,visibility .2s}
.mf2-top.is-on{opacity:1;visibility:visible;transform:none}
.mf2-top:hover{border-color:var(--mf2-ring)}
/* ===== blog listing (uses the existing server-side search + category chips) ===== */
.post-card .meta-row{font-size:.85rem;color:var(--faint)}
.post-card .badge{font-size:.72rem}
.post-card[hidden]{display:none!important}
@media (prefers-reduced-motion:reduce){.mf2-top{transition:none}}
@media print{.mf2-toc,.mf2-top,.mf2-copy{display:none!important}}

/* =====================================================================
   v3 — whole-site system: type, contrast, rhythm, pages
   ===================================================================== */
:root{--display:"Plus Jakarta Sans","Manrope","Segoe UI",system-ui,sans-serif;--faint:#8b94a8;
  --mf3-max:1120px;--mf3-sec:clamp(56px,7vw,96px)}
html[data-theme="light"]{--faint:#5d6578;--muted:#4a5163}
h1,h2,h3,.hero h1,.page-head h1,.article h1{font-family:var(--display);font-weight:800}
.hero h1,.page-head h1,.mf-head h1{font-size:clamp(1.95rem,1.2rem + 3.4vw,4.1rem);overflow-wrap:break-word;hyphens:auto;letter-spacing:-.035em;line-height:1.05}
.article h1{font-size:clamp(2rem,1.4rem + 2.4vw,3.1rem);letter-spacing:-.03em;line-height:1.1}
.read h2,.page-section h2,main h2{font-weight:750;letter-spacing:-.025em}
h3{letter-spacing:-.01em}
.lede{font-size:clamp(1.05rem,1rem + .3vw,1.2rem);line-height:1.65;color:var(--muted);max-width:60ch}
.eyebrow,.mf-kicker{font-size:.74rem}
/* rhythm */
.page-section{padding-block:clamp(28px,4vw,56px) var(--mf3-sec)}
.page-head,.mf-head{margin-bottom:clamp(28px,4vw,48px)}
.read{padding-block:clamp(40px,5vw,72px)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
/* sticky nav polish */
.mf-topbar{position:sticky;top:0;z-index:100}
.mf-topbar.mf2-scrolled{background:color-mix(in srgb,var(--stage-solid) 78%,transparent);border-bottom:1px solid var(--line)}
.mf-hire{font-weight:600}
/* buttons: consistent size */
.btn{min-height:46px;padding-inline:20px;font-weight:600;letter-spacing:-.005em}
.btn-small{min-height:36px;padding-inline:14px}
/* ---------- projects grid + filters ---------- */
.filter-bar{gap:12px;padding:14px;border:1px solid var(--line);border-radius:var(--mf2-r);background:var(--panel);box-shadow:var(--mf2-sh-1)}
.filter-bar .chips{gap:8px}
.chip{transition:background .2s,color .2s,border-color .2s,transform .2s}
.chip.is-active,.chip[aria-current]{background:var(--btn);color:var(--btn-text);border-color:var(--btn)}
.filter-bar select,.filter-bar .search input{min-height:42px;border-radius:var(--mf2-r-sm)}
.result-count{color:var(--faint);font-size:.9rem}
.project-results.is-grid{gap:clamp(16px,2vw,24px)}
.project-card{display:flex;flex-direction:column;background:var(--mf2-surface)}
.project-thumb{display:block;aspect-ratio:16/10;overflow:hidden;border-bottom:1px solid var(--line)}
.project-thumb img{width:100%;height:100%;object-fit:cover}
.project-body{display:flex;flex-direction:column;flex:1;gap:10px}
.project-actions{margin-top:auto;display:flex;flex-wrap:wrap;gap:8px}
.techs{display:flex;flex-wrap:wrap;gap:6px;padding:0;list-style:none}
.techs li{padding:3px 10px;border-radius:999px;border:1px solid var(--line-2);background:var(--chip);font:500 .78rem/1.5 var(--mono);color:var(--muted)}
.pager{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:32px}
.pager a,.pager span{min-width:42px;min-height:42px;display:inline-grid;place-items:center;padding:0 12px;border-radius:var(--mf2-r-sm);border:1px solid var(--line)}
.pager [aria-current],.pager .is-active{background:var(--btn);color:var(--btn-text);border-color:var(--btn)}
/* project detail */
.mf3-cover{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:var(--mf2-r-lg);border:1px solid var(--line);margin:8px 0 22px;box-shadow:var(--mf2-sh-2)}
.mf3-mt18{margin-top:18px}
.notice{border-radius:var(--mf2-r-sm)}
/* ---------- services / about / hire / uk tools cards ---------- */
.mf-cards{gap:clamp(14px,2vw,22px)}
.mf-card,.panel,.about-card{background:var(--mf2-surface);border:1px solid var(--line);border-radius:var(--mf2-r);box-shadow:var(--mf2-sh-1)}
.mf-card .icon-wrap,.door .icon-wrap{border-radius:12px;background:color-mix(in srgb,var(--grad-b) 14%,transparent);color:var(--purple)}
.mf-cta{border-radius:var(--mf2-r-lg);border:1px solid var(--line-2);background:linear-gradient(135deg,color-mix(in srgb,var(--grad-b) 12%,var(--panel)),var(--panel))}
.faq-item{border:1px solid var(--line);border-radius:var(--mf2-r-sm);background:var(--mf2-surface);transition:border-color .2s}
.faq-item:hover,.faq-item[open]{border-color:var(--line-2)}
.facts,.meta-list{line-height:1.7}
/* contact form */
.field input,.field textarea,.field select{border-radius:var(--mf2-r-sm);border:1px solid var(--line-2);background:var(--input);transition:border-color .2s,box-shadow .2s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--grad-b);box-shadow:0 0 0 3px color-mix(in srgb,var(--grad-b) 25%,transparent)}
.field label{font-weight:600;font-size:.9rem}
.contact-layout{gap:clamp(18px,3vw,32px)}
/* blog list */
.post-card{display:flex;flex-direction:column;background:var(--mf2-surface)}
.post-card > a:first-child{display:block;aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line)}
.post-card > a:first-child img{width:100%;height:100%;object-fit:cover}
.post-body{display:flex;flex-direction:column;gap:8px;flex:1}
.post-body .meta-row{margin-top:auto}
/* classes that replace the CSP-blocked inline styles */
.read.mf3-flush,.mf3-flush{margin-top:0;padding-top:0;border-top:0}
.mf3-mb10{margin-bottom:10px}
.mf3-mb16{margin-bottom:16px}
.mf3-mt22{margin-top:22px}
.mf3-mt12{margin-top:12px}
.mf3-r16{border-radius:16px}
.mf3-post-cover{display:block;width:100%;height:auto;border-radius:18px;margin-bottom:18px}
.mf3-related-h{margin-top:36px;font-family:var(--display)}
.mf3-err-h{font-family:var(--display);letter-spacing:-.04em;font-size:clamp(2rem,4vw,3.2rem);margin-top:8px}
/* the old mf-ui [data-mf-reveal] fade could leave content hidden: always show */
.mf-js [data-mf-reveal]{opacity:1!important;transform:none!important}
/* mobile */
@media (max-width:720px){
  .hero-actions .btn{flex:1 1 100%;justify-content:center}
  .filter-bar{padding:10px}
  .filter-bar .chips{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
  .filter-bar .chips::-webkit-scrollbar{display:none}
  .chip{flex:0 0 auto}
  .page-section{padding-bottom:56px}
}

/* =====================================================================
   v3.1 — sticky TOC card, mobile sheet, motion layer
   ===================================================================== */
/* ---------- article grid: TOC lives in column 2 and is sticky (no fixed, no CLS: grid exists before JS) ---------- */
@media (min-width:1100px){
  .page-blog .article{display:grid;grid-template-columns:minmax(0,760px) 272px;column-gap:clamp(32px,4vw,64px);row-gap:0;justify-content:center;align-items:start;max-width:1120px;margin-inline:auto}
  .page-blog .article > *{grid-column:1;max-width:760px;margin-inline:0}
  .page-blog .article > .mf31-toc{grid-column:2;grid-row:1 / span 60;align-self:stretch;max-width:none}
}
.mf31-toc{display:none}
@media (min-width:1100px){
  .mf31-toc{display:block;position:relative}
  .mf31-toc{--top:88px}
}
/* the card itself is the sticky child */
@media (min-width:1100px){
  .mf31-toc{position:sticky;top:var(--top);max-height:calc(100vh - var(--top) - 24px);display:flex;flex-direction:column;align-self:start;
    padding:16px 14px 12px;border:1px solid var(--line);border-radius:var(--mf2-r-lg);
    background:linear-gradient(180deg,color-mix(in srgb,var(--panel) 94%,transparent),color-mix(in srgb,var(--panel) 80%,transparent));
    -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:var(--mf2-sh-2);
    animation:mf31-slide-in .6s var(--mf2-ease) both .15s}
  .page-blog .article > .mf31-toc{align-self:start;grid-row:1 / span 60}
}
.mf31-head{display:flex;align-items:center;gap:10px;padding:0 4px 12px;border-bottom:1px solid var(--line);margin-bottom:8px}
.mf31-title{font:600 .72rem/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--faint)}
.mf31-ring{position:relative;display:inline-grid;place-items:center;width:38px;height:38px;flex:0 0 auto}
.mf31-ring svg{position:absolute;inset:0;transform:rotate(-90deg)}
.mf31-ring circle{fill:none;stroke-width:3}
.mf31-ring-bg{stroke:var(--line-2)}
.mf31-ring-fg{stroke:var(--grad-b);stroke-linecap:round;stroke-dasharray:100;stroke-dashoffset:calc(100 - var(--p,0));transition:stroke-dashoffset .25s linear}
.mf31-pct{font:600 .62rem/1 var(--mono);color:var(--text);font-variant-numeric:tabular-nums}
.mf31-scroll{position:relative;overflow:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:var(--line-2) transparent;padding:4px 2px 4px 0;flex:1 1 auto;min-height:0}
.mf31-list,.mf31-sub{list-style:none;margin:0;padding:0}
.mf31-list a{position:relative;display:flex;gap:10px;padding:7px 10px 7px 14px;border-radius:10px;color:var(--muted);text-decoration:none;font-size:.88rem;line-height:1.4;transition:color .2s,background .2s,transform .2s var(--mf2-ease)}
.mf31-list a:hover{color:var(--text);background:var(--chip);transform:translateX(3px)}
.mf31-list a.is-active{color:var(--text);font-weight:600}
.mf31-n{font:500 .72rem/1.9 var(--mono);color:var(--faint);min-width:1.6em;transition:color .2s}
.mf31-list a.is-active .mf31-n{color:var(--purple)}
.mf31-sub a{padding-left:46px;font-size:.82rem}
.mf31-sub a::before{content:"";position:absolute;left:32px;top:50%;width:5px;height:5px;border-radius:50%;background:var(--line-2);transform:translateY(-50%);transition:background .2s,transform .2s}
.mf31-sub a.is-active::before{background:var(--grad-b);transform:translateY(-50%) scale(1.4)}
.mf31-ind{position:absolute;left:2px;top:0;width:3px;height:var(--h,24px);border-radius:3px;background:var(--mf2-grad);opacity:0;transform:translateY(var(--y,0));
  transition:transform .35s var(--mf2-ease),height .35s var(--mf2-ease),opacity .2s;box-shadow:0 0 12px var(--glow)}
.mf31-ind.is-on{opacity:1}
.mf31-scroll > .mf31-list{padding-left:4px}
.mf31-tools{display:flex;gap:6px;padding-top:10px;margin-top:8px;border-top:1px solid var(--line)}
.mf31-tool{position:relative;overflow:hidden;flex:1;display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:36px;padding:0 8px;border:1px solid var(--line);border-radius:10px;background:transparent;color:var(--muted);font:500 .78rem/1 var(--font);cursor:pointer;transition:color .2s,border-color .2s,background .2s,transform .15s}
.mf31-tool:hover{color:var(--text);border-color:var(--mf2-ring);background:var(--chip)}
.mf31-tool:active{transform:scale(.96)}
.mf31-tool.is-done{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 40%,transparent)}
.mf31-tool svg,.mf31-fab svg:not(.mf31-ring svg){width:15px;height:15px}
.mf31-tool svg{fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.mf31-toc:focus-within,.mf31-sheet:focus{outline:none}
.mf31-list a:focus-visible,.mf31-tool:focus-visible,.mf31-fab:focus-visible,.mf31-x:focus-visible{outline:2px solid var(--grad-b);outline-offset:2px}
/* the old floating back-to-top is redundant when the card/sheet has one */
.mf31-has-toc .mf2-top{display:none}

/* ---------- mobile: floating Contents button + bottom sheet ---------- */
.mf31-fab,.mf31-sheet,.mf31-backdrop{display:none}
@media (max-width:1099.98px){
  .mf31-fab{display:inline-flex;align-items:center;gap:8px;position:fixed;left:50%;bottom:max(16px,env(safe-area-inset-bottom));z-index:950;overflow:hidden;
    padding:6px 16px 6px 6px;border-radius:999px;border:1px solid var(--line-2);background:color-mix(in srgb,var(--panel) 92%,transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    color:var(--text);font:600 .9rem/1 var(--font);box-shadow:var(--mf2-sh-2);cursor:pointer;
    transform:translate(-50%,140%);opacity:0;transition:transform .4s var(--mf2-ease),opacity .3s}
  .mf31-fab .mf31-ring{width:32px;height:32px}
  .mf31-fab.is-on{transform:translate(-50%,0);opacity:1}
  .mf31-sheet-open .mf31-fab{transform:translate(-50%,140%);opacity:0}
  .mf31-backdrop{display:block;position:fixed;inset:0;z-index:960;background:rgba(3,4,8,.55);opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s}
  .mf31-sheet{display:flex;flex-direction:column;position:fixed;left:0;right:0;bottom:0;z-index:970;max-height:78vh;padding:8px 16px max(14px,env(safe-area-inset-bottom));
    border-radius:22px 22px 0 0;border:1px solid var(--line-2);border-bottom:0;background:var(--stage-solid);box-shadow:0 -20px 60px -20px rgba(0,0,0,.6);
    transform:translateY(105%);visibility:hidden;transition:transform .42s var(--mf2-ease),visibility .42s}
  .mf31-sheet-open .mf31-backdrop{opacity:1;visibility:visible}
  .mf31-sheet-open .mf31-sheet{transform:none;visibility:visible}
  .mf31-sheet-open .mf31-sheet .mf31-list > li{animation:mf31-up .4s var(--mf2-ease) both}
  .mf31-sheet .mf31-list > li:nth-child(2){animation-delay:.03s}.mf31-sheet .mf31-list > li:nth-child(3){animation-delay:.06s}
  .mf31-sheet .mf31-list > li:nth-child(4){animation-delay:.09s}.mf31-sheet .mf31-list > li:nth-child(5){animation-delay:.12s}
  .mf31-sheet .mf31-list > li:nth-child(n+6){animation-delay:.15s}
  .mf31-grab{display:block;width:40px;height:4px;border-radius:4px;background:var(--line-2);margin:4px auto 10px}
  .mf31-sheet .mf31-head{padding-right:0}
  .mf31-x{margin-left:auto;width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--muted);font-size:20px;line-height:1;cursor:pointer}
  .mf31-sheet .mf31-list a{font-size:.95rem;padding-block:10px}
  .mf31-sheet .mf31-list a.is-active{background:var(--chip);box-shadow:inset 3px 0 0 var(--grad-b)}
  .mf31-sheet-open body{overflow:hidden}
}

/* =====================================================================
   motion layer (transform/opacity only)
   ===================================================================== */
/* reveal (JS only adds .mf31-in to items that were BELOW the fold at load) */
.mf31-in{animation:mf31-up .7s var(--mf2-ease) both;animation-delay:var(--d,0s)}
.mf31-pop{animation:mf31-pop .45s var(--mf2-ease) both;animation-delay:var(--d,0s)}
/* hero entrance (transform-only on h1/lede so LCP is not delayed) */
.mf31-ready .hero .eyebrow{animation:mf31-up .6s var(--mf2-ease) both}
.mf31-ready .hero h1{animation:mf31-rise .8s var(--mf2-ease) both .05s}
.mf31-ready .hero .lede{animation:mf31-rise .8s var(--mf2-ease) both .12s}
.mf31-ready .hero .tech-row li{animation:mf31-up .5s var(--mf2-ease) both;animation-delay:calc(.2s + var(--i,0) * .04s)}
.hero .tech-row li:nth-child(2){--i:1}.hero .tech-row li:nth-child(3){--i:2}.hero .tech-row li:nth-child(4){--i:3}.hero .tech-row li:nth-child(5){--i:4}.hero .tech-row li:nth-child(6){--i:5}.hero .tech-row li:nth-child(7){--i:6}.hero .tech-row li:nth-child(n+8){--i:7}
.mf31-ready .hero .hero-actions{animation:mf31-up .6s var(--mf2-ease) both .3s}
.mf31-ready .hero .terminal{animation:mf31-float-in .9s var(--mf2-ease) both .2s}
.mf31-ready .page-head > *,.mf31-ready .mf-head > *{animation:mf31-rise .7s var(--mf2-ease) both}
.mf31-ready .page-head > :nth-child(2),.mf31-ready .mf-head > :nth-child(2){animation-delay:.08s}
.mf31-ready .page-head > :nth-child(n+3),.mf31-ready .mf-head > :nth-child(n+3){animation-delay:.16s}
.mf31-ready .article > h1{animation:mf31-rise .7s var(--mf2-ease) both}
/* nav entrance + link underline already in v2; add drop-in */
.mf31-ready .mf-topbar{animation:mf31-drop .5s var(--mf2-ease) both}
/* cards: lift + tilt */
.project-card,.post-card,.mf-card,.door{transform:perspective(900px) rotateX(var(--rx,0)) rotateY(var(--ry,0));transform-style:preserve-3d;will-change:auto}
.project-card:hover,.post-card:hover,.mf-card:hover,.door:hover{transform:perspective(900px) rotateX(var(--rx,0)) rotateY(var(--ry,0)) translateY(-5px)}
.mf31-in.project-card,.mf31-in.post-card,.mf31-in.mf-card,.mf31-in.door{animation-name:mf31-up-card}
.project-thumb img,.post-card > a:first-child img{transition:transform .7s var(--mf2-ease),filter .5s}
.project-card:hover .project-thumb img,.post-card:hover > a:first-child img{transform:scale(1.06)}
/* links: animated gradient underline */
.prose a,.text-link,.mf-card-links a,.mf-footer li a{background-image:var(--mf2-grad);background-repeat:no-repeat;background-size:0% 2px;background-position:0 100%;transition:background-size .35s var(--mf2-ease),color .2s}
.prose a{text-decoration:none;background-size:100% 1px;background-image:linear-gradient(currentColor,currentColor)}
.prose a:hover{background-image:var(--mf2-grad);background-size:100% 2px}
.text-link:hover,.mf-card-links a:hover,.mf-footer li a:hover{background-size:100% 2px}
.text-link .icon{transition:transform .25s var(--mf2-ease)}
.text-link:hover .icon{transform:translateX(4px)}
/* buttons: shine + ripple */
.btn,.chip,.mf-hire{position:relative;overflow:hidden;isolation:isolate}
.btn:not(.btn-ghost)::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(110deg,transparent 35%,rgba(255,255,255,.28) 50%,transparent 65%);transform:translateX(-120%);pointer-events:none}
.btn:not(.btn-ghost):hover::before{transform:translateX(120%);transition:transform .8s var(--mf2-ease)}
.mf31-ripple{position:absolute;left:var(--x);top:var(--y);width:var(--z);height:var(--z);border-radius:50%;background:currentColor;opacity:.18;transform:scale(0);pointer-events:none;animation:mf31-ripple .6s ease-out forwards}
/* chips: animated filter states */
.chip{transition:background-color .25s,color .25s,border-color .25s,transform .2s var(--mf2-ease)}
.chip:hover{transform:translateY(-2px)}
.chip.is-active{animation:mf31-chip .4s var(--mf2-ease)}
/* icon wraps & badges */
.mf-card:hover .icon-wrap,.door:hover .icon-wrap{transform:translateY(-2px) rotate(-4deg) scale(1.06)}
.icon-wrap{transition:transform .35s var(--mf2-ease),background .3s}
.faq-item summary{transition:color .2s}
.faq-item[open] > *:not(summary){animation:mf31-up .35s var(--mf2-ease) both}
.prose h2{transition:color .2s}
/* keyframes */
@keyframes mf31-up{from{opacity:.001;transform:translateY(22px)}to{opacity:1;transform:none}}
@keyframes mf31-up-card{from{opacity:.001;transform:perspective(900px) translateY(28px) rotateX(6deg)}to{opacity:1;transform:perspective(900px) rotateX(var(--rx,0)) rotateY(var(--ry,0))}}
@keyframes mf31-pop{from{opacity:.001;transform:translateY(12px) scale(.98)}to{opacity:1;transform:none}}
@keyframes mf31-rise{from{transform:translateY(24px)}to{transform:none}}
@keyframes mf31-float-in{from{opacity:.001;transform:translateY(30px) scale(.97)}to{opacity:1;transform:none}}
@keyframes mf31-drop{from{transform:translateY(-100%)}to{transform:none}}
@keyframes mf31-slide-in{from{opacity:.001;transform:translateX(18px)}to{opacity:1;transform:none}}
@keyframes mf31-ripple{to{transform:scale(1);opacity:0}}
@keyframes mf31-chip{0%{transform:scale(.92)}60%{transform:scale(1.05)}100%{transform:scale(1)}}
@media (prefers-reduced-motion:reduce){
  .mf31-in,.mf31-pop,.mf31-ready *{animation:none!important}
  .project-card,.post-card,.mf-card,.door,.project-card:hover,.post-card:hover,.mf-card:hover,.door:hover{transform:none!important}
  .mf31-ind,.mf31-sheet,.mf31-fab,.mf31-backdrop{transition:none!important}
}
@media print{.mf31-toc,.mf31-fab,.mf31-sheet,.mf31-backdrop{display:none!important}.page-blog .article{display:block}}

/* =====================================================================
   v4 — "pro" layer: 8px grid, restrained accent, mesh + grain, home sections, footer, light mode
   ===================================================================== */
:root{--s1:8px;--s2:16px;--s3:24px;--s4:32px;--s5:40px;--s6:48px;--s8:64px;--s10:80px;--s12:96px;
  --accent:#8b7cff;--accent-soft:color-mix(in srgb,var(--accent) 14%,transparent);--accent-line:color-mix(in srgb,var(--accent) 35%,transparent);
  --fs-xs:.75rem;--fs-sm:.875rem;--fs-md:1rem;--fs-lg:1.125rem;--fs-xl:1.375rem;--fs-2xl:clamp(1.75rem,1.3rem + 1.6vw,2.5rem);
  --mf4-card:color-mix(in srgb,var(--card) 88%,transparent);--mf4-border:rgba(255,255,255,.07);--mf4-border-2:rgba(255,255,255,.12)}
html[data-theme="light"]{--accent:#5b4bdb;--mf4-card:#ffffff;--mf4-border:rgba(15,20,40,.08);--mf4-border-2:rgba(15,20,40,.14);
  --bg:#f6f7fb;--bg-2:#ffffff;--text:#0e1220;--muted:#4b5366;--faint:#6b7386;--line:rgba(15,20,40,.08);--line-2:rgba(15,20,40,.14);--chip:rgba(15,20,40,.04)}
/* background: soft mesh + grain (fixed, GPU-only, behind content) */
body{background-color:var(--bg)}
body::after{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.035;background-image:url("../img/mf4-grain.svg");background-size:160px}
html[data-theme="light"] body::after{opacity:.05;filter:invert(1)}
.shell{z-index:1}
.ambient{background:radial-gradient(60% 50% at 15% 0%,color-mix(in srgb,var(--accent) 16%,transparent),transparent 70%),radial-gradient(45% 40% at 90% 10%,color-mix(in srgb,#38bdf8 10%,transparent),transparent 70%)!important}
html[data-theme="light"] .ambient{background:radial-gradient(60% 50% at 15% 0%,color-mix(in srgb,var(--accent) 10%,transparent),transparent 70%),radial-gradient(45% 40% at 90% 10%,rgba(56,189,248,.08),transparent 70%)!important}
/* restrained accent: gradients only on the hero highlight */
.read-kicker::before{background:var(--accent)}
.step b{background:none;-webkit-text-fill-color:currentColor;color:var(--accent)}
.mf-hire{background:var(--text)!important;color:var(--bg)!important;box-shadow:none!important}
.mf-hire .mf-dot{background:#22c55e}
.btn:not(.btn-ghost){background:var(--text);color:var(--bg);border-color:var(--text)}
html[data-theme="light"] .btn:not(.btn-ghost){background:#0e1220;color:#fff}
.btn-ghost{background:transparent;border-color:var(--mf4-border-2);color:var(--text)}
/* type scale */
body{font-size:var(--fs-md);line-height:1.6}
.hero h1{font-size:clamp(2.4rem,1.4rem + 3.6vw,4.25rem);line-height:1.02;letter-spacing:-.04em;max-width:14ch}
.hero .lede{font-size:var(--fs-lg);max-width:52ch}
.hero .eyebrow{display:inline-flex;align-items:center;gap:var(--s1);padding:6px 12px;border:1px solid var(--mf4-border-2);border-radius:999px;background:var(--chip);font-size:var(--fs-xs)}
.hero-actions{margin-top:var(--s4);gap:var(--s2)}
.hero .tech-row{margin-top:var(--s3)}
/* cards: one shared surface */
.door,.post-card,.project-card,.mf-card,.panel,.step,.faq-item,.filter-bar,.mf31-toc{background:var(--mf4-card);border:1px solid var(--mf4-border);box-shadow:none}
.door:hover,.post-card:hover,.project-card:hover,.mf-card:hover{border-color:var(--mf4-border-2);box-shadow:0 1px 0 rgba(255,255,255,.04) inset,0 20px 40px -24px rgba(0,0,0,.5)}
html[data-theme="light"] .door:hover,html[data-theme="light"] .post-card:hover,html[data-theme="light"] .project-card:hover,html[data-theme="light"] .mf-card:hover{box-shadow:0 20px 40px -24px rgba(15,20,40,.25)}
.door::before,.post-card::before,.project-card::before,.mf-card::before{background:radial-gradient(240px circle at var(--mx,50%) var(--my,0%),var(--accent-line),transparent 60%)}
.badge,.mf-badge{background:var(--accent-soft);color:var(--text);border:1px solid var(--accent-line)}
/* section rhythm on the 8px grid */
.read{padding-block:var(--s8)}
.page-section{padding-bottom:var(--s10)}
/* home: compact page index (secondary nav) */
.page-home .page-index{gap:var(--s2)}
.page-home .page-index .door{padding:var(--s3)}

/* ---------- v4 home sections ---------- */
.mf4-wrap{width:min(1120px,calc(100% - 40px));margin-inline:auto}
.mf4-section{padding-block:var(--s10);position:relative}
.mf4-section + .mf4-section{border-top:1px solid var(--mf4-border)}
.mf4-eyebrow{margin:0 0 var(--s1);font:600 var(--fs-xs)/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.mf4-section h2{margin:0;font-size:var(--fs-2xl);letter-spacing:-.03em;line-height:1.15}
.mf4-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--s3);margin-bottom:var(--s5)}
.mf4-lead{margin:var(--s2) 0 var(--s3);font-size:var(--fs-lg);color:var(--muted);max-width:60ch;line-height:1.65}
.mf4-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:var(--fs-sm);color:var(--text);text-decoration:none;white-space:nowrap}
.mf4-link .icon{width:16px;height:16px;transition:transform .25s var(--mf2-ease)}
.mf4-link:hover .icon{transform:translateX(3px)}
.mf4-link.is-muted{color:var(--muted)}
.mf4-link:hover{color:var(--accent)}
.mf4-meta{margin:0;font:500 var(--fs-xs)/1.4 var(--mono);color:var(--faint);letter-spacing:.04em}
/* intro */
.mf4-intro-grid{display:grid;grid-template-columns:200px minmax(0,1fr);gap:var(--s6);align-items:center}
.mf4-photo img{display:block;width:200px;height:200px;object-fit:cover;border-radius:24px;border:1px solid var(--mf4-border-2);box-shadow:0 30px 60px -30px rgba(0,0,0,.6)}
.mf4-profiles{display:flex;flex-wrap:wrap;gap:var(--s1);list-style:none;margin:0 0 var(--s3);padding:0}
.mf4-profiles a{display:inline-flex;align-items:center;gap:var(--s1);min-height:40px;padding:0 14px;border:1px solid var(--mf4-border-2);border-radius:999px;color:var(--muted);font-size:var(--fs-sm);font-weight:500;text-decoration:none;transition:color .2s,border-color .2s,transform .2s var(--mf2-ease)}
.mf4-profiles a:hover{color:var(--text);border-color:var(--accent-line);transform:translateY(-2px)}
.mf4-profiles .icon{width:16px;height:16px}
/* selected work: bento */
.mf4-work{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--s3)}
.mf4-work-card{position:relative;display:flex;flex-direction:column;border:1px solid var(--mf4-border);border-radius:20px;background:var(--mf4-card);overflow:hidden;transition:border-color .3s,transform .4s var(--mf2-ease),box-shadow .4s}
.mf4-work-card:hover{border-color:var(--mf4-border-2);transform:translateY(-4px);box-shadow:0 24px 48px -28px rgba(0,0,0,.6)}
.mf4-work-card.is-lead{grid-column:span 2;flex-direction:row}
.mf4-work-card.is-lead .mf4-work-media{flex:1.3;aspect-ratio:auto;min-height:100%}
.mf4-work-card.is-lead .mf4-work-body{flex:1;padding:var(--s4)}
.mf4-work-card.is-lead h3{font-size:var(--fs-xl)}
.mf4-work-media{display:block;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,var(--accent-soft),transparent);border-bottom:1px solid var(--mf4-border)}
.mf4-work-card.is-lead .mf4-work-media{border-bottom:0;border-right:1px solid var(--mf4-border)}
.mf4-work-media img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--mf2-ease)}
.mf4-work-card:hover .mf4-work-media img{transform:scale(1.04)}
.mf4-work-body{display:flex;flex-direction:column;gap:var(--s1);padding:var(--s3);flex:1}
.mf4-work-body h3{margin:0;font-size:var(--fs-lg);line-height:1.3;letter-spacing:-.015em}
.mf4-work-body h3 a{color:var(--text);text-decoration:none}
.mf4-work-body h3 a::after{content:"";position:absolute;inset:0}
.mf4-work-body p{margin:0;color:var(--muted);font-size:var(--fs-sm);line-height:1.6}
.mf4-work-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:var(--s2);margin-top:auto;padding-top:var(--s2)}
.mf4-tags{display:flex;flex-wrap:wrap;gap:6px;list-style:none;margin:var(--s1) 0 0;padding:0}
.mf4-tags li{padding:2px 10px;border-radius:999px;background:var(--chip);border:1px solid var(--mf4-border);font:500 var(--fs-xs)/1.6 var(--mono);color:var(--muted)}
/* services */
.mf4-svc{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;list-style:none;margin:0;padding:0;border:1px solid var(--mf4-border);border-radius:20px;overflow:hidden;background:var(--mf4-border)}
.mf4-svc li{padding:var(--s4);background:var(--bg);transition:background .3s}
.mf4-svc li:hover{background:var(--mf4-card)}
.mf4-svc h3{margin:var(--s2) 0 var(--s1);font-size:var(--fs-lg);letter-spacing:-.015em}
.mf4-svc p{margin:0;color:var(--muted);font-size:var(--fs-sm);line-height:1.6}
.mf4-ico{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--accent-soft);color:var(--accent);border:1px solid var(--accent-line)}
.mf4-ico .icon{width:20px;height:20px}
/* stack logos (monogram tiles, brand colours) */
.mf4-stack{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--s3)}
.mf4-stack-group{padding:var(--s3);border:1px solid var(--mf4-border);border-radius:20px;background:var(--mf4-card)}
.mf4-stack-group h3{margin:0 0 var(--s2);font:600 var(--fs-xs)/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--faint)}
.mf4-stack-group ul{display:grid;grid-template-columns:1fr 1fr;gap:var(--s1);list-style:none;margin:0;padding:0}
.mf4-stack-group li{display:flex;align-items:center;gap:10px;padding:var(--s1);border-radius:12px;font-size:var(--fs-sm);font-weight:500;transition:background .2s,transform .2s var(--mf2-ease)}
.mf4-stack-group li:hover{background:var(--chip);transform:translateX(2px)}
.mf4-logo{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:9px;font:700 11px/1 var(--mono);letter-spacing:-.02em;color:#fff;background:#333;flex:0 0 auto}
.mf4-logo-html{background:#e34f26}.mf4-logo-html::before{content:"5"}
.mf4-logo-css{background:#1572b6}.mf4-logo-css::before{content:"3"}
.mf4-logo-js{background:#f7df1e;color:#111}.mf4-logo-js::before{content:"JS"}
.mf4-logo-ts{background:#3178c6}.mf4-logo-ts::before{content:"TS"}
.mf4-logo-next{background:#000;border:1px solid #333}.mf4-logo-next::before{content:"N"}
.mf4-logo-react{background:#20232a;color:#61dafb}.mf4-logo-react::before{content:"⚛";font-size:16px}
.mf4-logo-php{background:#777bb4}.mf4-logo-php::before{content:"php";font-size:10px}
.mf4-logo-mysql{background:#00758f}.mf4-logo-mysql::before{content:"My"}
.mf4-logo-py{background:linear-gradient(135deg,#3776ab 50%,#ffd43b 50%)}.mf4-logo-py::before{content:"Py";text-shadow:0 1px 2px rgba(0,0,0,.5)}
.mf4-logo-node{background:#339933}.mf4-logo-node::before{content:"JS"}
.mf4-logo-git{background:#f05032}.mf4-logo-git::before{content:"git";font-size:10px}
.mf4-logo-gh{background:#181717;border:1px solid #333}.mf4-logo-gh::before{content:"GH"}
.mf4-logo-vercel{background:#000;border:1px solid #333}.mf4-logo-vercel::before{content:"▲";font-size:13px}
.mf4-logo-cpanel{background:#ff6c2c}.mf4-logo-cpanel::before{content:"cP"}
/* latest posts strip */
.mf4-posts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--s3)}
.mf4-post{display:flex;flex-direction:column;gap:var(--s1);padding:var(--s3);border:1px solid var(--mf4-border);border-radius:20px;background:var(--mf4-card);color:var(--text);text-decoration:none;transition:border-color .3s,transform .4s var(--mf2-ease)}
.mf4-post:hover{border-color:var(--accent-line);transform:translateY(-4px)}
.mf4-post strong{font-family:var(--display);font-size:var(--fs-lg);line-height:1.3;letter-spacing:-.015em}
.mf4-post-ex{color:var(--muted);font-size:var(--fs-sm);line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.mf4-post-go{margin-top:auto;padding-top:var(--s1);display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:var(--fs-sm)}
.mf4-post-go .icon{width:16px;height:16px;transition:transform .25s var(--mf2-ease)}
.mf4-post:hover .mf4-post-go .icon{transform:translateX(3px)}
/* contact band */
.mf4-cta{border-top:0!important}
.mf4-cta-box{display:flex;align-items:center;justify-content:space-between;gap:var(--s4);padding:var(--s6);border-radius:28px;border:1px solid var(--mf4-border-2);
  background:radial-gradient(80% 140% at 0% 0%,color-mix(in srgb,var(--accent) 22%,transparent),transparent 60%),radial-gradient(60% 120% at 100% 100%,rgba(56,189,248,.12),transparent 60%),var(--mf4-card);overflow:hidden}
.mf4-cta-box p{margin:var(--s1) 0 0;color:var(--muted);max-width:52ch}
.mf4-cta-actions{display:flex;flex-wrap:wrap;gap:var(--s2);flex:0 0 auto}
/* premium footer */
.mf-footer{background:transparent;border-top:1px solid var(--mf4-border)}
.mf-footer::before{opacity:.6}
.mf-footer-grid{padding-block:var(--s10) var(--s6);gap:var(--s6)}
.mf-footer h2{color:var(--text);font-size:var(--fs-xs);margin-bottom:var(--s2)}
.mf-footer li a{color:var(--muted);font-size:var(--fs-sm)}
.mf-footer-about p{color:var(--muted)}
.mf-footer-about p strong{color:var(--text);font-weight:600}
.mf-social{display:flex;gap:var(--s1);margin-top:var(--s3)}
.mf-social a{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:12px;border:1px solid var(--mf4-border-2);color:var(--muted);transition:color .2s,border-color .2s,transform .2s var(--mf2-ease)}
.mf-social a:hover{color:var(--text);border-color:var(--accent-line);transform:translateY(-2px)}
.mf-footer-bottom{border-top:1px solid var(--mf4-border);font-size:var(--fs-xs)}
/* nav */
.mf-topbar.mf2-scrolled{background:color-mix(in srgb,var(--bg) 72%,transparent);border-bottom-color:var(--mf4-border)}
.mf-links a::after{background:var(--accent)}
/* other pages */
.page-head h1,.mf-head h1{max-width:20ch}
.mf-cta{background:radial-gradient(80% 140% at 0% 0%,color-mix(in srgb,var(--accent) 18%,transparent),transparent 60%),var(--mf4-card);border-color:var(--mf4-border-2)}
.mf-card .icon-wrap,.door .icon-wrap{background:var(--accent-soft);color:var(--accent);border:1px solid var(--accent-line)}
.mf-meter{height:6px}
.mf3-cover{box-shadow:0 40px 80px -40px rgba(0,0,0,.7)}
.techs li{background:var(--chip);border-color:var(--mf4-border-2)}
.contact-layout .panel{padding:var(--s4)}
.field input,.field textarea,.field select{background:var(--bg);border-color:var(--mf4-border-2)}
/* light-mode polish */
html[data-theme="light"] .terminal{background:#0f1220}
html[data-theme="light"] .prose pre{background:#0f1220}
html[data-theme="light"] .mf4-svc li{background:#fff}
html[data-theme="light"] .mf4-svc li:hover{background:#fafbff}
/* responsive */
@media (max-width:960px){
  .mf4-work{grid-template-columns:1fr 1fr}.mf4-work-card.is-lead{grid-column:1/-1}
  .mf4-svc,.mf4-posts,.mf4-stack{grid-template-columns:1fr 1fr}
  .mf4-cta-box{flex-direction:column;align-items:flex-start;padding:var(--s4)}
}
@media (max-width:640px){
  .mf4-section{padding-block:var(--s8)}
  .mf4-head{flex-direction:column;align-items:flex-start;gap:var(--s1);margin-bottom:var(--s3)}
  .mf4-intro-grid{grid-template-columns:1fr;gap:var(--s3)}
  .mf4-photo img{width:120px;height:120px;border-radius:20px}
  .mf4-work,.mf4-svc,.mf4-posts,.mf4-stack{grid-template-columns:1fr}
  .mf4-work-card.is-lead{flex-direction:column}
  .mf4-work-card.is-lead .mf4-work-media{aspect-ratio:16/10;border-right:0;border-bottom:1px solid var(--mf4-border)}
  .mf4-work-card.is-lead .mf4-work-body{padding:var(--s3)}
  .mf4-svc li{padding:var(--s3)}
  .mf4-cta-actions,.mf4-cta-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){.mf4-work-card:hover,.mf4-post:hover,.mf4-profiles a:hover{transform:none}}