/* ==========================================================================
   Microtechie — shared stylesheet (premium corporate)
   Deep navy ink, clean white, one confident blue, restrained bronze hairline.
   Archivo + IBM Plex Sans + IBM Plex Mono. Light & dark. No build step.
   ========================================================================== */

:root{
  --bg:#ffffff; --surface:#ffffff; --surface-2:#f3f6fb; --surface-3:#0b1a33;
  --fg:#0b1a33; --muted:#51607a; --line:#e5e9f1;
  --accent:#1b4fd1; --accent-ink:#123a9e; --accent-soft:#ecf1ff;
  --gold:#b08a46;
  --ok:#0d7a6f; --warn:#8a5a00;
  --shadow:0 1px 2px rgba(11,26,51,.05),0 12px 30px -14px rgba(11,26,51,.16);
  --font-display:"Archivo","Segoe UI",system-ui,sans-serif;
  --font-body:"IBM Plex Sans","Segoe UI",system-ui,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,"Cascadia Mono",monospace;
  --maxw:74rem; --prose:40rem;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#070d1a; --surface:#0e1830; --surface-2:#0b1324; --surface-3:#0e1830;
    --fg:#e9eef8; --muted:#93a1bd; --line:#1d2a45;
    --accent:#5e8bff; --accent-ink:#aec5ff; --accent-soft:#14213f; --gold:#cba563;
    --ok:#4cc6b8; --warn:#d8a650;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 16px 36px -16px rgba(0,0,0,.6);
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#070d1a; --surface:#0e1830; --surface-2:#0b1324; --surface-3:#0e1830;
  --fg:#e9eef8; --muted:#93a1bd; --line:#1d2a45;
  --accent:#5e8bff; --accent-ink:#aec5ff; --accent-soft:#14213f; --gold:#cba563;
  --ok:#4cc6b8; --warn:#d8a650;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 16px 36px -16px rgba(0,0,0,.6);
  color-scheme:dark;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font-body);line-height:1.62;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.1;text-wrap:balance;margin:0;font-weight:700;letter-spacing:-.02em}
p{margin:0}
a{color:var(--accent-ink)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:3px}

.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;
  padding-left:max(22px,env(safe-area-inset-left,0px));
  padding-right:max(22px,env(safe-area-inset-right,0px))}
.eyebrow{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-ink);margin:0}
.skip{position:absolute;left:-9999px;top:0;background:var(--accent);color:#fff;padding:.6em 1em;border-radius:0 0 8px 0;z-index:100}
.skip:focus{left:0}

.btn{display:inline-flex;align-items:center;gap:.5em;font-family:var(--font-body);font-weight:600;font-size:.95rem;border-radius:8px;padding:.78em 1.3em;border:1px solid transparent;cursor:pointer;text-decoration:none;transition:transform .14s ease,background .14s ease,border-color .14s ease,box-shadow .14s ease}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px -10px color-mix(in srgb,var(--accent) 70%,transparent)}
.btn-primary:hover{background:var(--accent-ink);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--fg)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent-ink)}

header.bar{position:sticky;top:env(safe-area-inset-top,0px);z-index:30;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.2) blur(12px);border-bottom:1px solid var(--line)}
.bar-in{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-block:.8rem}
.brand{display:flex;align-items:center;gap:.6rem;font-family:var(--font-display);font-weight:700;letter-spacing:-.03em;font-size:1.15rem;text-decoration:none;color:var(--fg)}
.brand .mark{width:30px;height:30px;flex:0 0 auto}
.nav{display:flex;align-items:center;gap:1.4rem}
.nav a{font-size:.9rem;color:var(--muted);text-decoration:none;white-space:nowrap;font-weight:500}
.nav a:hover,.nav a[aria-current="page"]{color:var(--fg)}
.nav .btn{padding:.55em 1em;color:#fff}
.nav .btn:hover{color:#fff}
.menu-btn{display:none;background:transparent;border:1px solid var(--line);border-radius:8px;padding:.45em .6em;color:var(--fg);cursor:pointer}
@media(max-width:880px){
  .nav{position:fixed;inset:0 0 0 auto;width:min(82vw,320px);flex-direction:column;align-items:stretch;gap:.3rem;background:var(--surface);border-left:1px solid var(--line);padding:5rem 1.3rem 2rem;transform:translateX(100%);transition:transform .22s ease;overflow:auto;box-shadow:var(--shadow)}
  .nav[data-open="true"]{transform:none}
  .nav a{padding:.7em .4em;font-size:1.02rem;border-bottom:1px solid var(--line)}
  .nav .btn{margin-top:.7rem;justify-content:center}
  .menu-btn{display:inline-flex}
}

.hero{padding-block:clamp(3rem,8vw,6rem) clamp(2.2rem,5vw,4rem)}
.hero h1{font-size:clamp(2.2rem,6.4vw,4rem);max-width:17ch;font-weight:700}
.hero .lead{color:var(--muted);font-size:clamp(1.08rem,2.4vw,1.35rem);max-width:48ch;margin-top:1.2rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.9rem}
.hero-meta{display:flex;flex-wrap:wrap;gap:1.2rem 2.4rem;margin-top:2.6rem;padding-top:1.7rem;border-top:1px solid var(--line)}
.hero-meta div{min-width:0;position:relative;padding-left:1rem}
.hero-meta div::before{content:"";position:absolute;left:0;top:.15em;bottom:.15em;width:2px;background:var(--accent);border-radius:2px}
.hero-meta b{font-family:var(--font-display);font-weight:600;font-size:1.02rem;display:block}
.hero-meta span{color:var(--muted);font-size:.85rem}

section{padding-block:clamp(2.6rem,6vw,4.4rem)}
.band{background:var(--surface-2);border-block:1px solid var(--line)}
.ink-band{background:var(--surface-3);color:#eaf0ff}
.ink-band .eyebrow{color:var(--gold)}
.ink-band h2{color:#fff}
.ink-band p{color:#c3cde3}
.sec-head{max-width:56ch;margin-bottom:2rem}
.sec-head h2{font-size:clamp(1.65rem,4vw,2.4rem);margin-top:.55rem}
.sec-head p{color:var(--muted);margin-top:.75rem;font-size:1.04rem}

.grid{display:grid;gap:1.1rem}
.grid.c2{grid-template-columns:1fr 1fr}
.grid.c3{grid-template-columns:repeat(3,1fr)}
@media(max-width:820px){.grid.c2,.grid.c3{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:1.5rem;transition:box-shadow .16s ease,border-color .16s ease,transform .16s ease}
.card h3{font-size:1.2rem;display:flex;align-items:center;gap:.55rem;font-weight:600}
.card .ico{width:22px;height:22px;color:var(--accent);flex:0 0 auto}
.card p{color:var(--muted);margin-top:.55rem;font-size:.97rem}
.card .kicker{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gold)}
.ticks{list-style:none;margin:1rem 0 0;padding:0;display:flex;flex-direction:column;gap:.55rem}
.ticks li{display:flex;gap:.6rem;font-size:.95rem}
.ticks li::before{content:"";flex:0 0 auto;width:6px;height:6px;margin-top:.55em;border-radius:50%;background:var(--accent)}
.card-link{text-decoration:none;color:inherit;display:block}
.card-link:hover{border-color:color-mix(in srgb,var(--accent) 45%,var(--line));box-shadow:var(--shadow);transform:translateY(-2px)}
.more{display:inline-flex;align-items:center;gap:.35em;margin-top:1rem;font-weight:600;font-size:.9rem;color:var(--accent-ink);text-decoration:none}
.more:hover{gap:.6em}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
@media(max-width:820px){.steps{grid-template-columns:1fr}}
.step .n{font-family:var(--font-mono);font-size:.82rem;color:var(--accent-ink);font-weight:500}
.step h3{font-size:1.12rem;margin:.55rem 0 .4rem;font-weight:600}
.step p{color:var(--muted);font-size:.95rem}

.crumbs{font-size:.8rem;color:var(--muted);padding-block:1.1rem .2rem;font-family:var(--font-mono)}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--fg)}
.crumbs span{margin-inline:.4em;opacity:.6}

.article{padding-block:1.5rem clamp(2.5rem,6vw,4rem)}
.article-head{max-width:var(--prose);margin-bottom:1.7rem}
.article-head h1{font-size:clamp(1.9rem,5vw,2.7rem)}
.article-meta{display:flex;flex-wrap:wrap;gap:.5rem .9rem;margin-top:1rem;font-size:.8rem;color:var(--muted);font-family:var(--font-mono)}
.article-meta .tag{color:var(--accent-ink)}
.lead-para{font-size:1.14rem;color:var(--fg);max-width:var(--prose)}
.prose{max-width:var(--prose);font-size:1.04rem}
.prose>*+*{margin-top:1.05rem}
.prose h2{font-size:1.45rem;margin-top:2.3rem}
.prose h3{font-size:1.15rem;margin-top:1.7rem}
.prose ul,.prose ol{margin:0;padding-left:1.3rem;display:flex;flex-direction:column;gap:.5rem}
.prose li{padding-left:.2rem}
.prose code{font-family:var(--font-mono);font-size:.9em;background:var(--surface-2);border:1px solid var(--line);border-radius:5px;padding:.1em .4em}
.prose strong{font-weight:600}
.callout{border:1px solid var(--line);border-left:3px solid var(--accent);background:var(--surface);border-radius:0 10px 10px 0;padding:1rem 1.15rem;font-size:.97rem}
.callout.warn{border-left-color:var(--warn)}
.callout .lbl{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:.3rem}
.steps-list{list-style:none;counter-reset:st;padding:0;margin:0;display:flex;flex-direction:column;gap:1.1rem}
.steps-list>li{counter-increment:st;position:relative;padding-left:2.7rem;min-height:1.8rem}
.steps-list>li::before{content:counter(st);position:absolute;left:0;top:-.1rem;width:1.9rem;height:1.9rem;border-radius:8px;background:var(--accent-soft);color:var(--accent-ink);font-family:var(--font-mono);font-size:.85rem;font-weight:600;display:grid;place-items:center}
.steps-list h3{font-size:1.05rem;margin:0 0 .25rem}
table.cmp{border-collapse:collapse;width:100%;font-size:.92rem}
table.cmp th,table.cmp td{border:1px solid var(--line);padding:.6em .7em;text-align:left;vertical-align:top}
table.cmp th{background:var(--surface-2);font-family:var(--font-display);font-weight:600}
.table-scroll{overflow-x:auto;max-width:100%}
.faq{border:1px solid var(--line);border-radius:12px;background:var(--surface);overflow:hidden}
.faq details{border-top:1px solid var(--line)}
.faq details:first-child{border-top:0}
.faq summary{cursor:pointer;padding:1rem 1.1rem;font-weight:600;font-family:var(--font-display);list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--accent-ink);font-weight:700}
.faq details[open] summary::after{content:"\2013"}
.faq .ans{padding:0 1.1rem 1.1rem;color:var(--muted)}
.sources{font-size:.9rem;color:var(--muted)}
.sources h2{color:var(--fg)}
.contact-invite{background:var(--surface-2);border:1px solid var(--line);border-radius:12px;padding:1.1rem 1.2rem;font-size:.97rem}

.res-list{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--surface);box-shadow:var(--shadow)}
.res{display:flex;align-items:baseline;gap:1rem;padding:1.05rem 1.3rem;text-decoration:none;color:var(--fg);border-top:1px solid var(--line)}
.res:first-child{border-top:0}
.res:hover{background:var(--surface-2)}
.res .rn{font-family:var(--font-mono);font-size:.78rem;color:var(--muted);flex:0 0 auto;width:2ch}
.res .rt{font-weight:500;min-width:0}
.res .rtag{margin-left:auto;font-family:var(--font-mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--gold);flex:0 0 auto}
@media(max-width:560px){.res .rtag{display:none}}

.field{display:flex;flex-direction:column;gap:.35rem;margin-bottom:.95rem;min-width:0}
.field label{font-size:.82rem;color:var(--muted);font-weight:600}
.field input,.field textarea,.field select{font-family:inherit;font-size:.95rem;color:var(--fg);background:var(--surface);border:1px solid var(--line);border-radius:9px;padding:.72em .85em;width:100%}
.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
.field2{display:grid;grid-template-columns:1fr 1fr;gap:.95rem}
@media(max-width:520px){.field2{grid-template-columns:1fr;gap:0}}
.form-note{font-size:.82rem;color:var(--muted);margin-top:.3rem}
.ok-msg{color:var(--ok);font-weight:600;font-size:.95rem;margin-top:.6rem}
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:2.2rem;align-items:start}
@media(max-width:820px){.contact-grid{grid-template-columns:1fr}}
.contact-side{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:1.5rem;box-shadow:var(--shadow)}
.contact-side dt{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:1rem}
.contact-side dd{margin:.25rem 0 0;font-size:1rem;font-weight:500}
.ph{color:var(--accent-ink);background:var(--accent-soft);padding:.05em .4em;border-radius:5px;font-family:var(--font-mono);font-size:.85em}

footer.site{border-top:1px solid var(--line);background:var(--surface-2);margin-top:1rem}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:1.8rem;padding-block:2.6rem 1.5rem}
@media(max-width:720px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.foot-grid{grid-template-columns:1fr}}
.foot-grid h4{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:.8rem;font-weight:500}
.foot-grid a{display:block;color:var(--fg);text-decoration:none;font-size:.92rem;padding:.2rem 0}
.foot-grid a:hover{color:var(--accent-ink)}
.foot-bar{display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-block:1.4rem}
.foot-bar .disc{color:var(--muted);font-size:.78rem;max-width:64ch}
.theme-toggle{background:transparent;border:1px solid var(--line);color:var(--muted);border-radius:8px;padding:.45em .75em;font-family:var(--font-mono);font-size:.72rem;cursor:pointer}
.theme-toggle:hover{color:var(--fg);border-color:var(--accent)}

/* mt-additions */
@media(min-width:881px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1fr}}
html,body{overflow-x:hidden}.prose code{overflow-wrap:anywhere}.prose table code{white-space:nowrap}