/* TechLinx Solutions — shared styles for service, city and hub pages.
   Matches the homepage palette: deep navy, TechLinx red/coral, cyan grid. */
*{box-sizing:border-box;margin:0;padding:0}
:root{
  --red:#E8394A;--red-dark:#c72d3c;--coral:#F47C5A;
  --darker:#030710;--card:#0D1828;--card2:#111F30;
  --border:rgba(0,180,255,.12);--border-strong:rgba(0,180,255,.25);
  --text:#E8EDF5;--muted:rgba(232,237,245,.68);--hint:rgba(232,237,245,.42);
  --blue:#00B4FF;--green:#5DCAA5;
  --wrap:1180px;
}
html{scroll-behavior:smooth}
body{font-family:'Segoe UI',system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;background:var(--darker);color:var(--text);line-height:1.6;overflow-x:hidden}
img,svg{max-width:100%}
a{color:var(--coral)}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.grid-bg{position:fixed;inset:0;background-image:linear-gradient(rgba(0,180,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(0,180,255,.04) 1px,transparent 1px);background-size:40px 40px;pointer-events:none;z-index:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 32px;position:relative;z-index:1}
.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;z-index:999;background:#fff;color:#000;padding:8px 12px;border-radius:6px}

/* ---------- header ---------- */
.site-nav{position:sticky;top:0;z-index:100;background:rgba(3,7,16,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.site-nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:12px;padding-bottom:12px}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none}
.brand img{height:58px;width:auto;display:block}
.brand .tag{font-size:12.5px;font-weight:600;color:var(--coral);border-left:1px solid var(--border-strong);padding-left:14px;line-height:1.3;white-space:nowrap}
.nav-links{display:flex;gap:24px;align-items:center}
.nav-links a{color:var(--muted);text-decoration:none;font-size:14.5px;font-weight:500;white-space:nowrap}
.nav-links a:hover,.nav-links a[aria-current=page]{color:#fff}
.nav-cta{background:var(--red);color:#fff;padding:10px 20px;border-radius:8px;font-size:14px;font-weight:600;text-decoration:none;white-space:nowrap}
.nav-cta:hover{background:var(--red-dark)}
.menu-btn{display:none;background:none;border:1px solid var(--border-strong);border-radius:8px;color:#fff;padding:8px 11px;font-size:18px;cursor:pointer;line-height:1}
.contact-bar{position:relative;z-index:1;background:rgba(0,180,255,.05);border-bottom:1px solid var(--border);font-size:13px;color:var(--muted)}
.contact-bar .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding-top:8px;padding-bottom:8px}
.contact-bar a{color:var(--muted);text-decoration:none}.contact-bar a:hover{color:var(--blue)}
.contact-bar .left{display:flex;gap:22px;flex-wrap:wrap}
.emergency{position:relative;z-index:1;background:linear-gradient(135deg,rgba(232,57,74,.16),rgba(232,57,74,.05));border-bottom:1px solid rgba(232,57,74,.25);font-size:13.5px}
.emergency .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;padding-top:10px;padding-bottom:10px}
.emergency b{color:var(--coral)}
.emergency a{background:var(--red);color:#fff;text-decoration:none;font-weight:700;padding:7px 16px;border-radius:8px;white-space:nowrap}

/* ---------- hero ---------- */
.crumbs{font-size:13px;color:var(--hint);padding-top:26px}
.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--coral)}
.crumbs span{margin:0 8px}
.page-hero{position:relative;z-index:1;border-bottom:1px solid var(--border);background:radial-gradient(ellipse 70% 70% at 20% 0%,rgba(232,57,74,.1) 0%,transparent 70%)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding-top:28px;padding-bottom:64px}
.slogan{display:inline-block;font-size:15px;font-weight:700;color:var(--coral);margin-bottom:14px}
.page-hero h1{font-size:44px;line-height:1.1;letter-spacing:-1px;color:#fff;margin-bottom:18px;font-weight:800}
.page-hero .lede{font-size:18px;color:var(--muted);max-width:60ch;margin-bottom:28px}
.btns{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 26px;border-radius:10px;font-size:15px;font-weight:600;text-decoration:none;border:1px solid transparent;cursor:pointer;font-family:inherit}
.btn-primary{background:var(--red);color:#fff}.btn-primary:hover{background:var(--red-dark)}
.btn-ghost{border-color:var(--border-strong);color:var(--text);background:transparent}.btn-ghost:hover{background:rgba(255,255,255,.05)}
.hero-art{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:18px}
.hero-art svg{display:block;width:100%;height:auto}
.quick-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.quick-facts span{font-size:13px;color:var(--muted);border:1px solid var(--border);border-radius:999px;padding:5px 13px;background:rgba(255,255,255,.02)}

/* ---------- sections ---------- */
section.block{position:relative;z-index:1;padding:72px 0;border-bottom:1px solid var(--border)}
section.alt{background:rgba(13,24,40,.5)}
.block h2{font-size:32px;line-height:1.2;letter-spacing:-.5px;color:#fff;margin-bottom:14px;font-weight:800}
.block h3{font-size:18px;color:#fff;margin-bottom:6px}
.intro{max-width:70ch;color:var(--muted);font-size:16.5px;margin-bottom:34px}
.prose{max-width:70ch}
.prose p{color:var(--muted);font-size:16.5px;margin-bottom:16px}
.prose p strong{color:var(--text)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.checks{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:12px 28px}
.checks li{position:relative;padding-left:30px;color:var(--text);font-size:15.5px}
.checks li::before{content:'';position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:5px;background:rgba(232,57,74,.14);border:1px solid rgba(232,57,74,.45)}
.checks li::after{content:'';position:absolute;left:6px;top:7px;width:5px;height:9px;border:solid var(--coral);border-width:0 2px 2px 0;transform:rotate(45deg)}
.checks li span{display:block;color:var(--muted);font-size:14px}
.steps{list-style:none;counter-reset:s;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.steps li{counter-increment:s;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:22px 20px;position:relative}
.steps li::before{content:counter(s);display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--red);color:#fff;font-weight:800;margin-bottom:12px}
.steps li p{color:var(--muted);font-size:14.5px}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chips a,.chips span{font-size:14px;color:var(--text);border:1px solid var(--border-strong);border-radius:999px;padding:7px 15px;text-decoration:none;background:rgba(255,255,255,.02)}
.chips a:hover{border-color:var(--coral);color:#fff}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:22px 20px;text-decoration:none;color:inherit;display:block}
a.card:hover{border-color:rgba(232,57,74,.45)}
.card .ico{font-size:26px;display:block;margin-bottom:10px}
.card h3{font-size:16px;color:#fff;margin-bottom:6px}
.card p{font-size:14px;color:var(--muted)}
.card .more{display:inline-block;margin-top:12px;font-size:13.5px;font-weight:600;color:var(--coral)}
.districts{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.districts div{border-left:3px solid var(--red);background:var(--card);border-radius:0 12px 12px 0;padding:16px 18px}
.districts p{color:var(--muted);font-size:14.5px}
.map-card{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:16px}

/* FAQ */
.faq{max-width:820px}
.faq details{border:1px solid var(--border);border-radius:12px;background:var(--card);margin-bottom:12px}
.faq summary{cursor:pointer;padding:18px 48px 18px 20px;font-weight:600;color:#fff;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';position:absolute;right:20px;top:14px;font-size:22px;color:var(--coral)}
.faq details[open] summary::after{content:'–'}
.faq details p{padding:0 20px 18px;color:var(--muted)}

/* quote form */
.quote{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;background:var(--card);border:1px solid var(--border);border-radius:20px;padding:36px}
.quote h2{margin-bottom:10px}
.quote .side p{color:var(--muted);margin-bottom:18px}
.quote .side a.tel{display:inline-block;font-size:24px;font-weight:800;color:#fff;text-decoration:none;margin-bottom:6px}
.quote form{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.quote label{display:block;font-size:12.5px;font-weight:600;color:var(--muted);margin-bottom:5px}
.quote .full{grid-column:1/-1}
.quote input,.quote select,.quote textarea{width:100%;background:rgba(255,255,255,.04);border:1px solid var(--border-strong);border-radius:10px;padding:11px 13px;font-size:15px;color:var(--text);font-family:inherit}
.quote select option{background:#0D1828}
.quote textarea{min-height:96px;resize:vertical}
.quote button{grid-column:1/-1;background:var(--red);color:#fff;border:0;border-radius:10px;padding:14px;font-size:16px;font-weight:700;cursor:pointer;font-family:inherit}
.quote button:hover{background:var(--red-dark)}
.quote button:disabled{opacity:.6;cursor:wait}
.form-msg{grid-column:1/-1;font-size:14.5px;min-height:1em}
.form-msg.ok{color:var(--green)}.form-msg.err{color:var(--coral)}
.hp{position:absolute;left:-9999px}

/* footer */
.site-foot{position:relative;z-index:1;padding:56px 0 28px;border-top:1px solid var(--border)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin-bottom:36px}
.foot-brand img{height:110px;width:auto;display:block;margin-bottom:14px}
.foot-brand .slogan-foot{font-size:18px;font-weight:800;color:#fff;margin-bottom:8px}
.foot-brand p{font-size:14px;color:var(--muted);max-width:300px}
.fcol h4{font-size:14px;color:#fff;margin-bottom:14px}
.fcol a{display:block;font-size:13.5px;color:var(--muted);text-decoration:none;margin-bottom:9px}
.fcol a:hover{color:var(--coral)}
.foot-bottom{border-top:1px solid var(--border);padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:12.5px;color:var(--hint)}

@media (max-width:1320px){.brand .tag{display:none}}
@media (max-width:980px){
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:flex-start;gap:0;background:rgba(3,7,16,.98);border-bottom:1px solid var(--border);padding:8px 32px 16px}
  .nav-links.open{display:flex}
  .nav-links a{padding:11px 0;width:100%;border-bottom:1px solid var(--border);font-size:16px}
  .menu-btn{display:block}
  .brand .tag{display:none}
  .hero-grid,.two-col,.quote{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .wrap{padding:0 18px}
  .brand img{height:44px}
  .nav-cta{padding:9px 13px;font-size:13px}
  .page-hero h1{font-size:32px}
  .block h2{font-size:26px}
  section.block{padding:52px 0}
  .checks{grid-template-columns:1fr}
  .quote{padding:22px}
  .quote form{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .contact-bar .right{display:none}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* ---------- 3D data center tour ---------- */
body.tour{background:#030710}
#dc3d{position:fixed;inset:0;width:100%;height:100%;z-index:0;display:block}
body:not(.dc-on) #dc3d{display:none}
.tour-progress{position:fixed;left:0;right:0;top:0;height:3px;z-index:200;background:rgba(255,255,255,.06)}
.tour-progress span{display:block;height:100%;background:linear-gradient(90deg,var(--red),var(--coral));transform-origin:0 50%;transform:scaleX(0)}
.tour-hud{position:fixed;left:22px;top:50%;transform:translateY(-50%);z-index:50;display:flex;flex-direction:column;gap:12px;list-style:none}
.tour-hud a{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--hint);font-size:12.5px;font-weight:600}
.tour-hud a i{width:10px;height:10px;border-radius:50%;border:2px solid rgba(232,237,245,.35);transition:all .3s}
.tour-hud a span{opacity:0;transform:translateX(-4px);transition:all .3s;white-space:nowrap;background:rgba(3,7,16,.8);padding:3px 9px;border-radius:6px}
.tour-hud a:hover span,.tour-hud a.on span{opacity:1;transform:none}
.tour-hud a.on{color:#fff}.tour-hud a.on i{background:var(--red);border-color:var(--red);box-shadow:0 0 12px rgba(232,57,74,.8)}
.stop{position:relative;z-index:1;min-height:100vh;display:flex;align-items:center;padding:110px 7vw 60px 200px}
.stop.right{justify-content:flex-end}
.stop.center{justify-content:center;text-align:center}
.panel{max-width:440px;background:rgba(6,13,26,.74);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid rgba(0,180,255,.2);border-radius:20px;padding:28px 28px 24px;box-shadow:0 20px 60px rgba(0,0,0,.45);opacity:.35;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease,border-color .7s}
.stop.is-active .panel{opacity:1;transform:none;border-color:rgba(232,57,74,.45)}
body:not(.dc-on) .panel{opacity:1;transform:none}
.panel .step{font-size:12px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;color:var(--coral);margin-bottom:10px;display:flex;align-items:center;gap:10px}
.panel .step b{font-size:22px}
.panel h2{font-size:28px;line-height:1.15;color:#fff;margin-bottom:12px;letter-spacing:-.4px}
.panel p{color:var(--muted);font-size:15.5px;margin-bottom:14px}
.panel ul{list-style:none;margin:0 0 18px}
.panel li{position:relative;padding-left:22px;color:var(--text);font-size:14.5px;margin-bottom:8px}
.panel li::before{content:'';position:absolute;left:0;top:7px;width:10px;height:10px;border-radius:3px;background:var(--red);box-shadow:0 0 10px rgba(232,57,74,.7)}
.panel .links{display:flex;gap:10px;flex-wrap:wrap}
.panel .links a{font-size:14px;padding:10px 16px}
.tour-intro .panel{max-width:720px;background:rgba(6,13,26,.55)}
.tour-intro h1{font-size:46px;line-height:1.08;color:#fff;letter-spacing:-1px;margin-bottom:16px}
.scroll-cue{margin-top:26px;font-size:13px;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:8px}
.scroll-cue i{width:22px;height:36px;border:2px solid rgba(232,237,245,.4);border-radius:12px;position:relative}
.scroll-cue i::after{content:'';position:absolute;left:50%;top:7px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:var(--coral);animation:cue 1.8s ease-in-out infinite}
@keyframes cue{0%{opacity:0;transform:translateY(0)}40%{opacity:1}100%{opacity:0;transform:translateY(12px)}}
.tour-skip{position:fixed;right:22px;bottom:22px;z-index:50;font-size:13px;color:var(--muted);background:rgba(3,7,16,.75);border:1px solid var(--border-strong);border-radius:999px;padding:8px 16px;text-decoration:none}
.tour-skip:hover{color:#fff}
body.tour .site-foot{background:rgba(3,7,16,.92)}
body.tour .quote{background:rgba(13,24,40,.85)}
@media (max-width:760px){
  .stop,.stop.right{align-items:flex-end;justify-content:center;padding:90px 16px 40px}
  .stop.center{align-items:center}
  .panel{max-width:none;padding:20px}
  .panel h2{font-size:22px}
  .tour-intro h1{font-size:32px}
  .tour-hud{display:none}
  .stop,.stop.right{min-height:115vh}
  .panel p{font-size:14.5px;margin-bottom:10px}
  .panel li{font-size:13.5px;margin-bottom:5px}
  .panel .step{margin-bottom:6px}
  .tour-skip{display:none}
}
@media (prefers-reduced-motion:reduce){.panel{transition:none}.scroll-cue i::after{animation:none}}