:root{
  --bg: oklch(1 0 0);
  --surface: oklch(0.962 0.006 170);
  --ink: oklch(0.235 0.014 170);
  --muted: oklch(0.44 0.014 170);
  --primary: oklch(0.36 0.07 172);
  --primary-bright: oklch(0.36 0.07 172);
  --primary-dim: oklch(0.27 0.055 172);
  --accent: oklch(0.55 0.14 42);
  --accent-ink: oklch(0.99 0.005 42);
  --warn: oklch(0.5 0.14 42);
  --line: oklch(0.88 0.008 170);
  --line-dark: oklch(0.42 0.05 172);
  --on-dark: oklch(0.985 0.006 172);
  --on-dark-soft: oklch(0.85 0.025 172);
  --radius: 6px;
  --z-nav: 30;
}
*{margin:0;padding:0;box-sizing:border-box}
:root{color-scheme:light}
html{scroll-behavior:smooth;-webkit-tap-highlight-color:transparent}
a,button,input,textarea,select,label{touch-action:manipulation}
[id]{scroll-margin-top:5.5rem}
:is(a,button):focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.skip{position:absolute;left:0;top:-100%;z-index:40;background:var(--accent);color:var(--accent-ink);padding:0.75rem 1.4rem;font-weight:700;border-radius:0 0 8px 0;text-decoration:none}
.skip:focus{top:0}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{
  font-family:"Source Sans 3",system-ui,sans-serif;
  background:var(--bg);color:var(--ink);
  font-size:1.0625rem;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:"Source Serif 4",Georgia,serif;line-height:1.12;text-wrap:balance;letter-spacing:-0.01em}
p{text-wrap:pretty}
a{color:var(--primary)}
img{max-width:100%}
.mono{font-family:"JetBrains Mono",monospace}
.wrap{max-width:1080px;margin-inline:auto;padding-inline:clamp(1.25rem,4vw,2.5rem)}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:var(--z-nav);background:oklch(1 0 0 / 0.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-block:0.85rem}
.brand{display:flex;align-items:center;gap:0.6rem;font-weight:700;font-size:1.02rem;color:var(--ink);text-decoration:none}
.brand svg{flex:none}
.nav-links{display:flex;align-items:center;gap:1.4rem;list-style:none}
.nav-links a{color:var(--ink);text-decoration:none;font-weight:600;font-size:0.98rem}
.nav-links a:hover{color:var(--primary)}
.nav-links a[aria-current="page"]{color:var(--primary)}
.nav-cta{font-weight:600;font-size:0.95rem;text-decoration:none;background:var(--primary);color:var(--on-dark);padding:0.55rem 1.1rem;border-radius:var(--radius);white-space:nowrap;transition:background 160ms ease}
.nav-cta:hover{background:var(--primary-dim)}
@media (max-width:640px){.nav-links{display:none}}

/* ---------- buttons + glow ---------- */
.btn{display:inline-block;font-weight:700;text-decoration:none;border-radius:var(--radius);padding:0.85rem 1.7rem;font-size:1.05rem;transition:transform 180ms cubic-bezier(0.22,1,0.36,1),background 180ms cubic-bezier(0.22,1,0.36,1)}
.btn:hover{transform:translateY(-2px)}
.btn-solid{background:var(--accent);color:var(--accent-ink)}
.btn-solid:hover{background:oklch(0.5 0.14 42)}
.btn-ghost{color:var(--primary);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--primary)}
.btn-solid,.nav-cta{animation:pulse-glow 2.6s cubic-bezier(0.45,0,0.55,1) infinite}
@keyframes pulse-glow{
  0%,100%{box-shadow:0 0 0 0 oklch(0.55 0.14 42 / 0.45),0 0 14px 2px oklch(0.55 0.14 42 / 0.3)}
  50%{box-shadow:0 0 0 8px oklch(0.55 0.14 42 / 0),0 0 26px 6px oklch(0.55 0.14 42 / 0.5)}
}
@media (prefers-reduced-motion: reduce){
  .btn-solid,.nav-cta{animation:none;box-shadow:0 0 20px 4px oklch(0.55 0.14 42 / 0.4)}
  .btn:hover{transform:none}
}

/* ---------- home hero ---------- */
.hero{border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,0.95fr);gap:clamp(2rem,5vw,4.5rem);align-items:center;padding-block:clamp(3.5rem,8vw,6.5rem)}
.hero .statusline{font-family:"JetBrains Mono",monospace;font-size:0.82rem;color:var(--warn);letter-spacing:0.02em}
.hero .statusline .dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--warn);margin-right:0.5rem;animation:blink 1.6s steps(2,start) infinite}
@keyframes blink{50%{opacity:0.25}}
@media (prefers-reduced-motion: reduce){.hero .statusline .dot{animation:none}}
.hero h1{margin-top:1.25rem;font-size:clamp(2.2rem,5vw,3.7rem);font-weight:700;max-width:20ch;color:var(--ink)}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero .lede{margin-top:1.4rem;font-size:clamp(1.08rem,1.6vw,1.25rem);max-width:38rem;color:var(--muted)}
.hero .lede strong{color:var(--ink)}
.hero .actions{margin-top:2.25rem;display:flex;gap:0.9rem;flex-wrap:wrap}
.hero .counters{margin-top:2.75rem;display:flex;gap:clamp(1.5rem,4vw,3rem);flex-wrap:wrap}
.hero .counter{font-family:"JetBrains Mono",monospace}
.hero .counter b{display:block;font-size:clamp(1.5rem,2.8vw,2.1rem);font-weight:700;color:var(--primary)}
.hero .counter span{font-size:0.85rem;color:var(--muted)}
.hero-photo{position:relative}
.hero-photo img{display:block;width:100%;height:auto;border-radius:var(--radius);border:1px solid var(--line);box-shadow:0 24px 48px -24px oklch(0.27 0.055 172 / 0.35)}
.hero-photo figcaption{position:absolute;left:1rem;bottom:1rem;background:oklch(0.27 0.055 172 / 0.92);color:var(--on-dark);font-size:0.88rem;font-weight:600;padding:0.5rem 0.9rem;border-radius:var(--radius)}
@media (max-width:840px){.hero .wrap{grid-template-columns:1fr}}

/* ---------- page hero (subpages) ---------- */
.page-hero{border-bottom:1px solid var(--line);background:var(--primary-dim);color:var(--on-dark)}
.page-hero .wrap{padding-block:clamp(3rem,6vw,4.5rem)}
.page-hero .crumb{font-family:"JetBrains Mono",monospace;font-size:0.85rem;color:var(--on-dark-soft)}
.page-hero .crumb a{color:var(--on-dark-soft)}
.page-hero h1{margin-top:0.75rem;font-size:clamp(2rem,4.5vw,3rem);font-weight:700;max-width:24ch}
.page-hero .lede{margin-top:1rem;font-size:1.15rem;max-width:60ch;color:var(--on-dark-soft)}

/* ---------- sections ---------- */
.section{padding-block:clamp(3.5rem,8vw,6rem)}
.section.alt{background:var(--surface);border-block:1px solid var(--line)}
.section h2{font-size:clamp(1.7rem,3.2vw,2.4rem);font-weight:700;max-width:28ch}
.section-lede{margin-top:0.9rem;color:var(--muted);max-width:58ch}

/* route cards (migration paths) */
.routes{margin-top:3rem;display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem}
.route{border:1px solid var(--line);border-radius:var(--radius);padding:1.75rem;background:var(--bg);display:flex;flex-direction:column;gap:0.6rem}
.route .path{font-family:"JetBrains Mono",monospace;font-size:0.82rem;color:var(--accent);font-weight:600}
.route h3{font-size:1.2rem;font-weight:700}
.route p{font-size:0.98rem;color:var(--muted);flex:1}

/* checklist rows */
.svc-list{margin-top:3rem;display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:0 clamp(1rem,3vw,2.5rem);border-top:1px solid var(--line)}
.svc{padding:1.75rem 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:auto 1fr;gap:1.1rem;align-items:start}
.svc svg{flex:none;margin-top:0.2rem}
.svc h3{font-size:1.15rem;font-weight:700}
.svc p{margin-top:0.45rem;font-size:0.97rem;color:var(--muted)}

/* numbered steps (real sequences) */
.steps{margin-top:3rem;display:grid;gap:0;counter-reset:step}
.step{display:grid;grid-template-columns:4.5rem 1fr;gap:1.5rem;padding-block:1.75rem;border-top:1px solid var(--line);counter-increment:step;align-items:baseline}
.step:last-child{border-bottom:1px solid var(--line)}
.step::before{content:counter(step,decimal-leading-zero);font-family:"JetBrains Mono",monospace;font-weight:700;font-size:1.8rem;color:var(--primary)}
.step h3{font-size:1.25rem;font-weight:700}
.step p{margin-top:0.5rem;color:var(--muted);max-width:60ch}
@media (max-width:560px){.step{grid-template-columns:1fr;gap:0.35rem}}

/* ---------- prose (blog posts) ---------- */
.prose{max-width:72ch;padding-block:clamp(2.5rem,6vw,4rem)}
.prose h2{font-size:clamp(1.45rem,2.6vw,1.85rem);font-weight:700;margin-top:2.5em}
.prose h3{font-size:1.2rem;font-weight:700;margin-top:1.8em}
.prose h2:first-child{margin-top:0}
.prose p{margin-top:1em}
.prose ul,.prose ol{margin-top:1em;padding-left:1.4rem}
.prose li{margin-top:0.45em}
.prose li::marker{color:var(--accent);font-weight:700}
.prose table{width:100%;border-collapse:collapse;margin-top:1.25em;font-size:0.97rem}
.prose th,.prose td{text-align:left;padding:0.65rem 0.8rem;border-bottom:1px solid var(--line)}
.prose th{font-weight:700;background:var(--surface)}
.prose .table-scroll{overflow-x:auto}
.prose blockquote{margin-top:1.25em;border:1px solid var(--line);border-radius:var(--radius);padding:1.25rem 1.5rem;background:var(--surface);font-style:italic}
.prose code{font-family:"JetBrains Mono",monospace;font-size:0.92em;background:var(--surface);border:1px solid var(--line);border-radius:5px;padding:0.1em 0.35em}
.prose hr{border:none;border-top:1px solid var(--line);margin-block:2.5rem}

/* inline CTA panel */
.cta-panel{margin-top:3rem;background:var(--primary-dim);border-radius:var(--radius);padding:clamp(1.75rem,4vw,2.5rem);color:var(--on-dark)}
.cta-panel h2,.cta-panel h3{margin-top:0;font-size:1.5rem;color:var(--on-dark)}
.cta-panel p{color:var(--on-dark-soft);margin-top:0.6rem;max-width:56ch}
.cta-panel .btn{margin-top:1.4rem}

/* ---------- blog ---------- */
.post-grid{margin-top:3rem;display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem}
.post-card{border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;display:flex;flex-direction:column;gap:0.7rem;background:var(--bg);transition:border-color 160ms ease}
.post-card:hover{border-color:var(--primary)}
.post-card .region{font-family:"JetBrains Mono",monospace;font-size:0.78rem;font-weight:600;color:var(--accent)}
.post-card h3{font-size:1.13rem;font-weight:700;line-height:1.3}
.post-card h3 a{color:var(--ink);text-decoration:none}
.post-card h3 a:hover{color:var(--primary)}
.post-card p{font-size:0.95rem;color:var(--muted);flex:1}
.post-card .read{font-weight:600;font-size:0.95rem}

/* article header */
.article-head{border-bottom:1px solid var(--line);background:var(--surface)}
.article-head .wrap{padding-block:clamp(2.5rem,6vw,4rem)}
.article-head .region{font-family:"JetBrains Mono",monospace;font-size:0.85rem;font-weight:600;color:var(--accent)}
.article-head h1{margin-top:0.6rem;font-size:clamp(1.9rem,4vw,2.7rem);font-weight:700;max-width:28ch}
.article-head .meta{margin-top:0.9rem;font-size:0.95rem;color:var(--muted)}

/* ---------- contact form ---------- */
.contact{background:var(--primary-dim);color:var(--on-dark)}
.contact .wrap{padding-block:clamp(3.5rem,8vw,6rem);display:grid;grid-template-columns:minmax(0,0.9fr) minmax(0,1.1fr);gap:clamp(2rem,6vw,5rem);align-items:start}
.contact h2{font-size:clamp(1.9rem,4vw,2.7rem);font-weight:700}
.contact .pitch{margin-top:1rem;color:var(--on-dark-soft);max-width:44ch}
.contact .pitch strong{color:var(--on-dark)}
@media (max-width:780px){.contact .wrap{grid-template-columns:1fr}}
.form{display:grid;gap:1rem}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media (max-width:560px){.form .row{grid-template-columns:1fr}}
.form label{display:grid;gap:0.35rem;font-size:0.92rem;font-weight:600}
.form input,.form textarea,.form select{
  font:inherit;padding:0.75rem 0.9rem;border-radius:var(--radius);
  border:1.5px solid var(--line-dark);
  background:oklch(0.32 0.055 172);color:var(--on-dark);
}
.form input::placeholder,.form textarea::placeholder{color:oklch(0.68 0.03 172)}
.form input:focus,.form textarea:focus,.form select:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}
.form textarea{min-height:7.5rem;resize:vertical}
.form button{
  font:inherit;font-weight:700;font-size:1.05rem;cursor:pointer;border:none;
  background:var(--accent);color:var(--accent-ink);
  border-radius:var(--radius);padding:0.9rem 1.8rem;justify-self:start;
  transition:transform 180ms cubic-bezier(0.22,1,0.36,1);
  animation:pulse-glow 2.6s cubic-bezier(0.45,0,0.55,1) infinite;
}
.form button:hover{transform:translateY(-2px)}
.form button:disabled{opacity:0.65;cursor:wait;transform:none}
@media (prefers-reduced-motion: reduce){.form button{animation:none;box-shadow:0 0 20px 4px oklch(0.55 0.14 42 / 0.4)}.form button:hover{transform:none}}
.form .status{font-size:0.98rem;min-height:1.5em;font-weight:600}
.form .status.ok{color:oklch(0.85 0.09 150)}
.form .status.err{color:oklch(0.82 0.11 45)}

/* ---------- footer ---------- */
footer.site{border-top:1px solid var(--line)}
footer.site .wrap{padding-block:2rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:0.92rem;color:var(--muted)}
footer.site a{color:var(--muted)}