/* Carin Locksmith — Terminal & Blueprint
   Layout: drafting sheet. Blueprint grid ground, title-block footer,
   terminal panels for live info, amber "signal" for anything you can tap. */
:root{
  --bg:#0b2747;          /* blueprint field */
  --bg-2:#0f3159;        /* raised panel */
  --term:#06182d;        /* terminal glass */
  --line:rgba(150,196,240,.22);
  --grid:rgba(150,196,240,.07);
  --grid-major:rgba(150,196,240,.13);
  --fg:#e8f1fb;
  --muted:#9dbad8;
  --signal:#ffc23d;      /* call-to-action amber */
  --signal-ink:#1a1200;
  --ok:#6fe3b4;
  --f-display:"Saira Condensed","Arial Narrow",Arial,sans-serif;
  --f-body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --s-1:.8125rem; --s0:1rem; --s1:1.2rem; --s2:1.6rem; --s3:2.2rem; --s4:clamp(2.4rem,7vw,4.4rem);
  color-scheme:dark;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background-color:var(--bg);color:var(--fg);font:400 1rem/1.65 var(--f-body);
  background-image:
    linear-gradient(var(--grid-major) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-major) 1px,transparent 1px),
    linear-gradient(var(--grid) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:120px 120px,120px 120px,24px 24px,24px 24px;
  padding-bottom:calc(64px + env(safe-area-inset-bottom,0px));}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--term)}
img,svg{max-width:100%;height:auto}
a{color:var(--signal);text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px}
h1,h2,h3{font-family:var(--f-display);font-weight:700;line-height:1.05;letter-spacing:.01em;text-wrap:balance;margin:0}
h1{font-size:var(--s4);text-transform:uppercase}
h2{font-size:var(--s3);text-transform:uppercase}
h3{font-size:var(--s1);letter-spacing:.02em}
p{margin:0;max-width:65ch}
.wrap{max-width:1180px;margin-inline:auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.mono{font-family:var(--f-mono)}
.label{font-family:var(--f-mono);font-size:var(--s-1);text-transform:uppercase;letter-spacing:.12em;color:var(--muted)}
.label b{color:var(--signal);font-weight:500}
.skip{position:absolute;left:-999px;top:0}
.skip:focus{left:16px;top:16px;z-index:99;background:var(--signal);color:var(--signal-ink);padding:8px 12px}

/* header */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:rgba(6,24,45,.94);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:16px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--fg);text-decoration:none;margin-right:auto}
.brand svg{width:40px;height:40px;flex:none}
.brand-name{font-family:var(--f-display);font-weight:700;font-size:1.35rem;letter-spacing:.06em;text-transform:uppercase;line-height:1}
.brand-sub{display:block;font-family:var(--f-mono);font-size:.68rem;letter-spacing:.14em;color:var(--muted);margin-top:3px}
.nav{display:flex;gap:22px;align-items:center}
.nav a{color:var(--fg);text-decoration:none;font-family:var(--f-mono);font-size:.85rem;text-transform:uppercase;letter-spacing:.08em}
.nav a:hover,.nav a[aria-current="page"]{color:var(--signal)}
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--f-mono);font-weight:600;font-size:.95rem;letter-spacing:.04em;text-decoration:none;
  padding:12px 18px;border:1px solid var(--signal);background:var(--signal);color:var(--signal-ink);min-height:48px;cursor:pointer}
.btn:hover{background:#ffd36e}
.btn.ghost{background:transparent;color:var(--signal)}
.btn.ghost:hover{background:rgba(255,194,61,.1)}
.btn svg{width:18px;height:18px}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:var(--fg);width:48px;height:48px;cursor:pointer;font-family:var(--f-mono)}
@media (max-width:900px){
  .menu-btn{display:inline-grid;place-items:center}
  .top .btn.hdr-call{display:none}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;background:var(--term);border-bottom:1px solid var(--line)}
  .nav.open{display:flex}
  .nav a{padding:16px max(16px,env(safe-area-inset-left,0px));border-top:1px solid var(--line)}
}

/* hero */
.hero{padding-block:56px 48px;border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:40px;align-items:start}
.hero h1 span{color:var(--signal)}
.hero .lede{font-size:var(--s1);color:var(--muted);margin-top:18px}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.dim{display:flex;align-items:center;gap:10px;margin-bottom:18px;color:var(--muted);font-family:var(--f-mono);font-size:var(--s-1);letter-spacing:.1em}
.dim::before,.dim::after{content:"";height:1px;flex:1;background:var(--muted);opacity:.5}
.dim::before{max-width:28px}
@media (max-width:860px){.hero .wrap{grid-template-columns:minmax(0,1fr)}}

/* terminal panel */
.term{background:var(--term);border:1px solid var(--line);font-family:var(--f-mono);font-size:.88rem;min-width:0}
.term-bar{display:flex;align-items:center;gap:8px;padding:10px 14px;border-bottom:1px solid var(--line);color:var(--muted);font-size:.75rem;letter-spacing:.08em}
.term-bar i{width:9px;height:9px;border-radius:50%;background:var(--line);display:inline-block}
.term-bar i:first-child{background:var(--signal)}
.term-body{padding:16px 16px 18px;overflow-x:auto;line-height:1.8}
.term-body .p{color:var(--ok)}
.term-body .c{color:var(--muted)}
.term-body .v{color:var(--signal)}
.cursor{display:inline-block;width:.6em;height:1.05em;background:var(--signal);vertical-align:-2px;animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
@media (prefers-reduced-motion:reduce){.cursor{animation:none}html{scroll-behavior:auto}}

/* sections */
.sec{padding-block:64px;border-bottom:1px solid var(--line)}
.sec-head{display:grid;gap:12px;margin-bottom:32px}
.sec-head p{color:var(--muted)}
.grid{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:960px){.g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.g3,.g4{grid-template-columns:minmax(0,1fr)}}
.cell{background:var(--bg);padding:24px;display:flex;flex-direction:column;gap:10px;min-width:0}
a.cell{text-decoration:none;color:var(--fg)}
a.cell:hover{background:var(--bg-2)}
a.cell:hover .more{color:var(--signal)}
.cell .ref{font-family:var(--f-mono);font-size:.72rem;color:var(--muted);letter-spacing:.12em}
.cell p{color:var(--muted);font-size:.95rem}
.more{font-family:var(--f-mono);font-size:.82rem;color:var(--fg);margin-top:auto;padding-top:6px}
.ico{width:40px;height:40px;color:var(--signal)}

.spec{width:100%;border-collapse:collapse;font-size:.95rem}
.spec th,.spec td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.spec th{font-family:var(--f-mono);font-weight:500;font-size:.78rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);width:34%}
.table-wrap{overflow-x:auto;border:1px solid var(--line);background:var(--term)}

.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);counter-reset:s}
.steps li{background:var(--bg);padding:24px;counter-increment:s;display:grid;gap:8px;align-content:start}
.steps li::before{content:"STEP " counter(s,decimal-leading-zero);font-family:var(--f-mono);font-size:.75rem;color:var(--signal);letter-spacing:.12em}
.steps p{color:var(--muted);font-size:.95rem}
@media (max-width:860px){.steps{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}
@media (max-width:520px){.steps{grid-template-columns:minmax(0,1fr)}}

.areas{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0}
.areas a{display:inline-flex;gap:8px;align-items:baseline;padding:10px 14px;border:1px solid var(--line);background:var(--term);color:var(--fg);text-decoration:none;font-size:.95rem;min-height:44px}
.areas a small{font-family:var(--f-mono);color:var(--muted);font-size:.72rem}
.areas a:hover{border-color:var(--signal);color:var(--signal)}

.prose{display:grid;gap:18px;max-width:72ch}
.prose h2{font-size:var(--s2);margin-top:14px}
.prose ul{margin:0;padding-left:1.2em;display:grid;gap:6px}
.prose li::marker{color:var(--signal)}
.two{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:40px;align-items:start}
@media (max-width:860px){.two{grid-template-columns:minmax(0,1fr)}}
.aside{position:sticky;top:calc(84px + env(safe-area-inset-top,0px));display:grid;gap:16px}
@media (max-width:860px){.aside{position:static}}

.faq{border:1px solid var(--line);background:var(--term)}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:0}
.faq summary{cursor:pointer;padding:18px 48px 18px 18px;font-weight:600;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:18px;top:14px;font-family:var(--f-mono);color:var(--signal);font-size:1.3rem}
.faq details[open] summary::after{content:"−"}
.faq details p{padding:0 18px 18px;color:var(--muted)}

.crumbs{font-family:var(--f-mono);font-size:.78rem;color:var(--muted);padding-block:14px 0;letter-spacing:.04em}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.crumbs li+li::before{content:"/";margin-right:6px;opacity:.6}
.crumbs a{color:var(--muted)}

.cta-band{background:var(--signal);color:var(--signal-ink)}
.cta-band .wrap{padding-block:40px;display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between}
.cta-band h2{font-size:var(--s3)}
.cta-band .btn{background:var(--signal-ink);color:var(--signal);border-color:var(--signal-ink)}
.cta-band .num{font-family:var(--f-mono);font-size:var(--s2);font-weight:600;color:var(--signal-ink);text-decoration:none}

form.contact{display:grid;gap:14px}
form.contact label{display:grid;gap:6px;font-family:var(--f-mono);font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
form.contact input,form.contact select,form.contact textarea{font:inherit;font-family:var(--f-body);text-transform:none;letter-spacing:0;font-size:1rem;color:var(--fg);background:var(--term);border:1px solid var(--line);padding:12px;min-height:48px;width:100%}
form.contact textarea{min-height:120px;resize:vertical}
.note{font-size:.88rem;color:var(--muted)}

/* footer title block */
.foot{background:var(--term);border-top:1px solid var(--line);padding-block:40px 24px}
.tblock{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--line)}
.tblock>div{padding:18px;border-right:1px solid var(--line);display:grid;gap:8px;align-content:start;min-width:0}
.tblock>div:last-child{border-right:0}
.tblock ul{list-style:none;margin:0;padding:0;display:grid;gap:4px;font-size:.92rem}
.tblock a{color:var(--fg);text-decoration:none}
.tblock a:hover{color:var(--signal)}
@media (max-width:860px){.tblock{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.tblock>div:nth-child(2){border-right:0}.tblock>div:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media (max-width:520px){.tblock{grid-template-columns:minmax(0,1fr)}.tblock>div{border-right:0;border-bottom:1px solid var(--line)}.tblock>div:last-child{border-bottom:0}}
.legal{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:18px;font-family:var(--f-mono);font-size:.75rem;color:var(--muted);letter-spacing:.06em}

/* mobile call bar */
.callbar{position:fixed;left:0;right:0;bottom:0;z-index:55;display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);
  padding-bottom:env(safe-area-inset-bottom,0px);border-top:1px solid var(--line)}
.callbar a{display:flex;align-items:center;justify-content:center;gap:8px;min-height:60px;font-family:var(--f-mono);font-weight:600;text-decoration:none;font-size:1rem;
  padding-left:max(8px,env(safe-area-inset-left,0px));padding-right:max(8px,env(safe-area-inset-right,0px))}
.callbar .call{background:var(--signal);color:var(--signal-ink)}
.callbar .sms{background:var(--term);color:var(--fg)}
.callbar svg{width:20px;height:20px}
@media (min-width:901px){.callbar{display:none}body{padding-bottom:0}}