/*
Theme Name: techBox
Theme URI: https://kernelabs.com
Author: Kernel Labs
Author URI: https://kernelabs.com
Description: A dark, modern theme for Kernel Labs — Linux migration, team training, custom software and managed servers for small and medium businesses. Signature migration-cost ledger, code-comment section labels, and a services card grid.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: techbox
Tags: dark, technology, business, custom-colors, custom-menu, custom-logo, one-column, full-width-template, translation-ready
*/

:root{
  --bg:#080B12;
  --bg-2:#0C121D;
  --surface:#121A28;
  --surface-2:#16202F;
  --line:rgba(130,150,180,.14);
  --line-strong:rgba(130,150,180,.26);
  --text:#E9EEF6;
  --muted:#8B98AE;
  --muted-2:#6A7688;
  --cyan:#2DE1E6;
  --cyan-deep:#12A9C0;
  --amber:#F5A524;
  --danger:#F5735A;
  --disp:"Space Grotesk",system-ui,sans-serif;
  --body:"Inter",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;
  --maxw:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);font-family:var(--body);
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4,h5{font-family:var(--disp);font-weight:700;line-height:1.05;margin:0}
p{margin:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.skip-link{position:absolute;left:-9999px}
.skip-link:focus{left:16px;top:12px;z-index:200;background:var(--cyan);color:#04121a;padding:10px 16px;border-radius:3px;font-family:var(--mono);font-size:13px}

/* eyebrow — code comment */
.eyebrow{font-family:var(--mono);font-size:13px;font-weight:500;letter-spacing:.02em;color:var(--cyan);display:inline-flex;align-items:center;gap:8px}
.eyebrow::before{content:"//";color:var(--cyan-deep);opacity:.9}

/* buttons */
.btn{font-family:var(--mono);font-size:14px;font-weight:500;letter-spacing:.01em;display:inline-flex;align-items:center;gap:9px;padding:14px 22px;border-radius:2px;border:1px solid transparent;cursor:pointer;transition:transform .15s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease}
.btn-primary{background:var(--cyan);color:#04121a;box-shadow:0 0 0 rgba(45,225,230,0)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px -12px rgba(45,225,230,.7)}
.btn-ghost{border-color:var(--line-strong);color:var(--text);background:transparent}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}
.btn .arw{transition:transform .18s ease}
.btn:hover .arw{transform:translateX(4px)}

/* top bar */
.topbar{border-bottom:1px solid var(--line);background:var(--bg-2);font-family:var(--mono);font-size:12.5px;color:var(--muted)}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:40px;gap:20px}
.topbar .tb-left{display:flex;gap:22px;align-items:center}
.topbar a:hover{color:var(--cyan)}
.topbar .tb-right{color:var(--muted-2)}
.topbar .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);display:inline-block;box-shadow:0 0 8px var(--cyan);margin-right:8px}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(8,11,18,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{font-family:var(--mono);font-weight:700;font-size:18px;letter-spacing:-.01em;display:flex;align-items:center;gap:2px;color:var(--text)}
.brand .prompt{color:var(--cyan);margin-right:7px;text-shadow:0 0 12px rgba(45,225,230,.6)}
.brand .dim{color:var(--muted)}
.brand img{max-height:38px;width:auto}
nav.main-nav ul{list-style:none;display:flex;gap:30px;align-items:center;margin:0;padding:0}
nav.main-nav a{font-size:14px;color:var(--muted);font-weight:500;position:relative;transition:color .16s}
nav.main-nav a:hover{color:var(--text)}
nav.main-nav a::after{content:"";position:absolute;left:0;bottom:-6px;height:1px;width:0;background:var(--cyan);transition:width .2s ease}
nav.main-nav a:hover::after{width:100%}
.header-cta{display:flex;align-items:center;gap:16px}
.menu-btn{display:none;background:none;border:1px solid var(--line-strong);color:var(--text);width:42px;height:42px;border-radius:2px;cursor:pointer;font-size:18px}
.mobile-nav{display:none;border-top:1px solid var(--line);background:var(--bg-2);padding:8px 0}
.mobile-nav.open{display:block}
.mobile-nav ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.mobile-nav a{display:block;padding:12px 28px;color:var(--muted);font-size:15px;border-bottom:1px solid var(--line)}
.mobile-nav a:hover{color:var(--cyan)}

/* hero */
.hero{position:relative;padding:82px 0 70px;overflow:hidden}
.hero::before{content:"";position:absolute;top:-160px;right:-120px;width:620px;height:620px;background:radial-gradient(circle,rgba(45,225,230,.16),transparent 62%);pointer-events:none;filter:blur(6px)}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:60px 60px;-webkit-mask-image:radial-gradient(ellipse 80% 60% at 20% 0%,#000,transparent 75%);mask-image:radial-gradient(ellipse 80% 60% at 20% 0%,#000,transparent 75%);opacity:.5}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-copy .eyebrow{margin-bottom:22px}
.hero h1{font-size:clamp(38px,5.2vw,64px);letter-spacing:-.02em;text-transform:uppercase}
.hero h1 .thin{display:block;text-transform:none;font-weight:500;font-size:clamp(22px,2.6vw,32px);color:var(--muted);margin-top:16px;letter-spacing:-.01em}
.hero h1 .thin b{color:var(--cyan);font-weight:600}
.hero-sub{color:var(--muted);font-size:17px;max-width:520px;margin:26px 0 32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-trust{margin-top:26px;font-family:var(--mono);font-size:12.5px;color:var(--muted-2);display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero-trust .sep{color:var(--cyan);opacity:.7}

/* ledger (signature) */
.ledger{background:linear-gradient(180deg,var(--surface),var(--bg-2));border:1px solid var(--line-strong);border-radius:8px;box-shadow:0 30px 80px -30px rgba(0,0,0,.8),0 0 0 1px rgba(45,225,230,.04);position:relative;overflow:hidden}
.ledger::before{content:"";position:absolute;inset:0;border-radius:8px;padding:1px;background:linear-gradient(160deg,rgba(45,225,230,.5),transparent 40%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;opacity:.7}
.ledger-bar{display:flex;align-items:center;gap:8px;padding:13px 16px;border-bottom:1px solid var(--line);background:rgba(0,0,0,.2)}
.ledger-bar .d{width:11px;height:11px;border-radius:50%}
.ledger-bar .d1{background:#F5735A}.ledger-bar .d2{background:#F5A524}.ledger-bar .d3{background:#2FD98A}
.ledger-bar .path{font-family:var(--mono);font-size:12.5px;color:var(--muted);margin-left:8px}
.ledger-body{padding:22px 22px 24px}
.ledger-lbl{font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted-2);margin-bottom:14px}
.lrow{display:flex;justify-content:space-between;align-items:baseline;font-family:var(--mono);font-size:14px;padding:9px 0;border-bottom:1px dashed var(--line)}
.lrow .lname{color:var(--muted)}
.lrow .lval{color:var(--amber)}
.ledger-total{display:flex;justify-content:space-between;align-items:baseline;margin-top:16px;padding-top:16px;border-top:1px solid var(--line-strong)}
.ledger-total .tl{font-family:var(--body);font-size:14px;color:var(--text)}
.ledger-total .tv{font-family:var(--disp);font-weight:700;font-size:30px;color:var(--amber)}
.ledger-switch{display:flex;align-items:center;gap:10px;margin:18px 0;font-family:var(--mono);font-size:13px;color:var(--cyan)}
.ledger-switch .ln{flex:1;height:1px;background:linear-gradient(90deg,var(--cyan-deep),transparent)}
.ledger-after{display:flex;justify-content:space-between;align-items:center;background:rgba(45,225,230,.06);border:1px solid rgba(45,225,230,.28);border-radius:4px;padding:16px 18px}
.ledger-after .al{font-family:var(--body);font-size:14px;color:var(--text)}
.ledger-after .av{font-family:var(--disp);font-weight:700;font-size:34px;color:var(--cyan);text-shadow:0 0 22px rgba(45,225,230,.5)}
.ledger-note{font-family:var(--mono);font-size:11px;line-height:1.6;color:var(--muted-2);margin-top:15px}

/* marquee */
.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg-2);overflow:hidden;padding:16px 0}
.marquee{display:flex;gap:0;width:max-content;animation:tb-scroll 26s linear infinite}
@keyframes tb-scroll{to{transform:translateX(-50%)}}
.marquee .item{font-family:var(--mono);font-size:14px;color:var(--muted-2);padding:0 26px;display:flex;align-items:center;gap:26px;white-space:nowrap;text-decoration:line-through;text-decoration-color:var(--danger);text-decoration-thickness:1px}
.marquee .item::after{content:"";width:5px;height:5px;border-radius:50%;background:var(--cyan)}

/* section shell */
.section{padding:96px 0;position:relative}
.sec-head{max-width:640px;margin-bottom:52px}
.sec-head h2{font-size:clamp(30px,3.6vw,44px);letter-spacing:-.02em;margin:16px 0 0}
.sec-head p{color:var(--muted);margin-top:16px;font-size:17px}

/* services — CARD GRID */
.services{background:var(--bg-2);border-top:1px solid var(--line)}
.sgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.scard{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:34px 30px;overflow:hidden;transition:transform .22s ease,border-color .22s ease}
.scard::before{content:"";position:absolute;left:0;top:0;height:2px;width:100%;background:linear-gradient(90deg,var(--cyan),transparent);opacity:0;transition:opacity .25s}
.scard:hover{transform:translateY(-6px);border-color:var(--line-strong)}
.scard:hover::before{opacity:1}
.scard .stop{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:20px}
.scard .sicon{width:52px;height:52px;border-radius:8px;border:1px solid var(--line-strong);display:flex;align-items:center;justify-content:center;color:var(--cyan);background:rgba(45,225,230,.06);transition:box-shadow .25s,border-color .25s}
.scard:hover .sicon{box-shadow:0 0 22px rgba(45,225,230,.35);border-color:var(--cyan)}
.scard .sicon svg{width:26px;height:26px}
.scard .snum{font-family:var(--mono);font-size:34px;font-weight:700;color:rgba(139,152,174,.22);line-height:1;transition:color .25s}
.scard:hover .snum{color:rgba(45,225,230,.4)}
.scard h3{font-size:22px;letter-spacing:-.01em}
.scard p{color:var(--muted);margin-top:12px;font-size:15px}
.scard .sbul{list-style:none;padding:0;margin:18px 0 22px;display:flex;flex-direction:column;gap:9px}
.scard .sbul li{font-family:var(--mono);font-size:12.5px;color:var(--muted);display:flex;gap:9px;align-items:center}
.scard .sbul li::before{content:"›";color:var(--cyan);font-weight:700}
.scard .slink{font-family:var(--mono);font-size:13px;color:var(--text);display:inline-flex;gap:8px;align-items:center;transition:color .2s}
.scard .slink .arw{transition:transform .18s}
.scard:hover .slink{color:var(--cyan)}
.scard:hover .slink .arw{transform:translateX(5px)}
.aside-host{margin-top:26px;font-family:var(--mono);font-size:13px;color:var(--muted);border:1px dashed var(--line-strong);border-radius:6px;padding:16px 20px;background:rgba(255,255,255,.015)}
.aside-host b{color:var(--text);font-weight:500}
.aside-host .cmt{color:var(--cyan);opacity:.75}

/* why linux */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:28px 24px;transition:transform .2s ease,border-color .2s ease}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.card .big{font-family:var(--disp);font-weight:700;font-size:34px;color:var(--cyan);letter-spacing:-.02em}
.card h4{font-size:18px;margin:14px 0 8px}
.card p{color:var(--muted);font-size:14.5px}

/* process */
.process{background:var(--bg-2);border-top:1px solid var(--line)}
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:8px;overflow:hidden}
.pstep{background:var(--bg-2);padding:34px 30px;transition:background .2s}
.pstep:hover{background:var(--surface)}
.pstep .pn{font-family:var(--mono);font-size:13px;color:var(--cyan);letter-spacing:.05em}
.pstep h4{font-size:20px;margin:16px 0 10px}
.pstep p{color:var(--muted);font-size:14.5px}

/* stats */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:70px 0}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.stat{border-left:2px solid var(--cyan);padding:6px 0 6px 22px}
.stat .sv{font-family:var(--disp);font-weight:700;font-size:40px;letter-spacing:-.02em}
.stat .sl{font-family:var(--mono);font-size:12.5px;color:var(--muted);margin-top:8px;line-height:1.5}

/* about */
.about .wrap{display:grid;grid-template-columns:1fr .85fr;gap:56px;align-items:center}
.about h2{font-size:clamp(28px,3.4vw,40px);letter-spacing:-.02em;margin-top:16px}
.about p.lead{font-size:17px;color:var(--muted);margin-top:20px}
.about p.lead b{color:var(--text);font-weight:500}
.term{background:var(--surface);border:1px solid var(--line-strong);border-radius:8px;overflow:hidden;box-shadow:0 24px 60px -30px rgba(0,0,0,.8)}
.term .ledger-bar{background:rgba(0,0,0,.25)}
.term-body{padding:22px;font-family:var(--mono);font-size:13.5px;line-height:2}
.term-body .cmd .p{color:var(--cyan)}
.term-body .cmd{color:var(--text)}
.term-body .out{color:var(--muted)}
.term-body .cur{display:inline-block;width:9px;height:16px;background:var(--cyan);vertical-align:-2px;animation:tb-blink 1.1s steps(1) infinite;box-shadow:0 0 8px var(--cyan)}
@keyframes tb-blink{50%{opacity:0}}

/* contact */
.contact{background:var(--bg-2);border-top:1px solid var(--line)}
.contact .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.contact h2{font-size:clamp(28px,3.4vw,40px);letter-spacing:-.02em;margin-top:16px}
.contact .cinfo{margin-top:26px;display:flex;flex-direction:column;gap:18px}
.cinfo .ci{display:flex;gap:14px;align-items:flex-start}
.cinfo .ci .k{font-family:var(--mono);font-size:12px;color:var(--muted-2);width:74px;flex:none;padding-top:3px;letter-spacing:.04em;text-transform:uppercase}
.cinfo .ci a,.cinfo .ci span{color:var(--text)}
.cinfo .ci a:hover{color:var(--cyan)}
.form{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:30px}
.fgrid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field.full{grid-column:1/-1}
.field label{font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}
.field input,.field select,.field textarea{background:var(--bg);border:1px solid var(--line-strong);border-radius:3px;color:var(--text);font-family:var(--body);font-size:15px;padding:12px 13px;transition:border-color .18s,box-shadow .18s;width:100%}
.field textarea{resize:vertical;min-height:96px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(45,225,230,.12)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form .btn{width:100%;justify-content:center;margin-top:4px}
.form .fnote{font-family:var(--mono);font-size:11px;color:var(--muted-2);text-align:center;margin-top:14px}
.form-alert{border-radius:4px;padding:12px 14px;font-family:var(--mono);font-size:12.5px;margin-bottom:18px}
.form-alert.ok{background:rgba(47,217,138,.1);border:1px solid rgba(47,217,138,.4);color:#7ee7b4}
.form-alert.err{background:rgba(245,115,90,.1);border:1px solid rgba(245,115,90,.4);color:#f6a08d}

/* footer */
.site-footer{background:var(--bg);border-top:1px solid var(--line);padding:64px 0 34px}
.fgrid-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;border-bottom:1px solid var(--line)}
.fcol h5{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted-2);margin:0 0 18px}
.fcol ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px}
.fcol ul a{color:var(--muted);font-size:14.5px}
.fcol ul a:hover{color:var(--cyan)}
.fbrand .brand{font-size:20px;margin-bottom:16px}
.fbrand p{color:var(--muted);font-size:14.5px;max-width:300px}
.fbrand .tag{font-family:var(--disp);font-weight:600;color:var(--text);font-size:18px;margin-top:16px}
.fbottom{display:flex;justify-content:space-between;align-items:center;padding-top:26px;font-family:var(--mono);font-size:12.5px;color:var(--muted-2);gap:16px;flex-wrap:wrap}

/* generic page / blog / 404 */
.page-wrap{padding:80px 0;min-height:52vh}
.page-wrap .entry-title{font-size:clamp(30px,4vw,46px);letter-spacing:-.02em;margin-bottom:24px}
.page-wrap .entry-content{color:var(--muted);max-width:760px}
.page-wrap .entry-content a{color:var(--cyan)}
.page-wrap .entry-content h2,.page-wrap .entry-content h3{color:var(--text);margin:32px 0 12px}
.post-card{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:28px;margin-bottom:22px;transition:border-color .2s,transform .2s}
.post-card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.post-card h2{font-size:24px;margin-bottom:8px}
.post-card h2 a:hover{color:var(--cyan)}
.post-card .meta{font-family:var(--mono);font-size:12px;color:var(--muted-2);margin-bottom:14px}
.post-card .excerpt{color:var(--muted)}
.tb-pagination{display:flex;gap:10px;margin-top:30px}
.tb-pagination a,.tb-pagination span{font-family:var(--mono);font-size:13px;padding:8px 13px;border:1px solid var(--line-strong);border-radius:3px;color:var(--muted)}
.tb-pagination a:hover{border-color:var(--cyan);color:var(--cyan)}
.big-404{font-family:var(--mono);font-size:clamp(70px,14vw,150px);font-weight:700;color:var(--cyan);text-shadow:0 0 40px rgba(45,225,230,.4);line-height:1}

/* reveal + focus */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

/* responsive */
@media(max-width:960px){
  .hero .wrap{grid-template-columns:1fr;gap:40px}
  .sgrid{grid-template-columns:1fr}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .pgrid{grid-template-columns:1fr}
  .stats .wrap{grid-template-columns:repeat(2,1fr);gap:26px}
  .about .wrap,.contact .wrap{grid-template-columns:1fr;gap:40px}
  nav.main-nav,.header-cta .btn{display:none}
  .menu-btn{display:inline-flex;align-items:center;justify-content:center}
  .fgrid-top{grid-template-columns:1fr 1fr}
  .topbar .tb-right{display:none}
}
@media(max-width:600px){
  .wrap{padding:0 20px}
  .section{padding:70px 0}
  .why-grid{grid-template-columns:1fr}
  .stats .wrap{grid-template-columns:1fr}
  .fgrid{grid-template-columns:1fr}
  .fgrid-top{grid-template-columns:1fr}
  .hero h1{font-size:34px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}