/* Tech Cooling Solution Inc. — "Project Pro" theme */
:root{
  --navy:#0d2340; --navy-2:#1a3150; --navy-3:#081629;
  --accent:#c4500f; --accent-d:#9e3f0a;
  --text:#13233a; --muted:#4a5d73; --muted-2:#55677d;
  --line:#e3e9f0; --soft:#f3f6fa; --ph:#d8e1eb;
  --radius:14px; --max:1180px; --shadow:0 20px 50px rgba(13,35,64,.12);
  --head:'Outfit',system-ui,sans-serif; --body:'Nunito Sans',system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--body);color:var(--text);background:#fff;line-height:1.6;font-size:17px}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent)}
a:hover{color:var(--accent-d)}
h1,h2,h3{font-family:var(--head);line-height:1.12;color:var(--text);margin:0 0 .5em;letter-spacing:-.015em}
h1{font-size:clamp(2.1rem,5vw,3.9rem);font-weight:800}
h2{font-size:clamp(1.7rem,3.2vw,2.6rem);font-weight:700}
h3{font-size:1.3rem;font-weight:700}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:8px 12px;z-index:100}
.skip:focus{left:8px}
.center{text-align:center}
.intro{max-width:680px;margin:0 auto 36px;color:var(--muted)}
.eyebrow{font-size:.85rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);margin:0 0 14px}

/* Top bar + header */
.topbar{background:var(--navy-3);color:#b9c8d9;font-size:.88rem}
.topbar .wrap{display:flex;justify-content:space-between;gap:12px;padding-top:7px;padding-bottom:7px;flex-wrap:wrap}
.topbar a{color:#fff;text-decoration:none;font-weight:700}
.site-header{background:var(--navy);position:sticky;top:0;z-index:50}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:#fff;font-family:var(--head);font-weight:800;font-size:1.35rem;letter-spacing:.01em}
.brand:hover{color:#fff}
.brand svg{flex:none}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:2px;align-items:center}
.nav a{display:block;padding:10px 13px;text-decoration:none;color:#fff;font-weight:700;border-radius:8px;font-size:.96rem}
.nav a:hover,.nav a[aria-current="page"]{background:rgba(255,255,255,.1);color:#fff}
.nav .btn{margin-left:8px;padding:12px 20px}
.nav .btn:hover{background:var(--accent-d)}
.menu-toggle{display:none;background:none;border:1.5px solid rgba(255,255,255,.5);color:#fff;border-radius:8px;padding:9px 14px;font:inherit;font-weight:800;cursor:pointer}

/* Buttons */
.btn{display:inline-block;background:var(--accent);color:#fff !important;font-weight:800;text-decoration:none;padding:16px 28px;border-radius:8px;border:0;cursor:pointer;font:inherit;font-weight:800;transition:background .15s}
.btn:hover{background:var(--accent-d)}
.btn-outline{background:transparent;border:2px solid #fff;padding:14px 26px}
.btn-outline:hover{background:rgba(255,255,255,.12)}
.btn-blue{background:var(--navy)}
.btn-blue:hover{background:var(--navy-2)}

/* Hero */
.hero{position:relative;color:#fff;background:linear-gradient(rgba(10,26,48,.78),rgba(10,26,48,.78)),var(--hero-img,none) center/cover no-repeat,var(--navy-2)}
.hero .wrap{max-width:1000px;text-align:center;padding-top:130px;padding-bottom:160px}
.hero h1{color:#fff}
.hero p.lead{font-size:1.25rem;color:#d3dfec;max-width:720px;margin:0 auto}
.hero .ctas{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin-top:34px}
.page-hero .wrap{text-align:left;max-width:var(--max);padding-top:64px;padding-bottom:70px}
.page-hero p.lead{margin:0;max-width:720px}
.page-hero .ctas{justify-content:flex-start}
.page-hero h1{font-size:clamp(2rem,4.2vw,3.2rem)}
.breadcrumb{font-size:.9rem;color:#b9cfe3;margin-bottom:14px}
.breadcrumb a{color:#fff}

/* Trust badges */
.badges{padding:0 24px;position:relative;z-index:2}
.badges .inner{max-width:var(--max);margin:-70px auto 0;background:#fff;border-radius:16px;box-shadow:var(--shadow);display:grid;grid-template-columns:repeat(4,1fr)}
.badge{padding:26px;display:flex;gap:14px;align-items:center;border-right:1px solid var(--line)}
.badge:last-child{border-right:0}
.badge strong{display:block;font-family:var(--head);font-size:1.2rem;line-height:1.2}
.badge span{font-size:.9rem;color:var(--muted-2)}
.badge svg{flex:none;color:var(--accent)}

/* Clients */
.clients{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}
.clients div{padding:20px 30px;border:1px solid var(--line);border-radius:10px;font-family:var(--head);font-weight:700;font-size:1.2rem}

/* Sections */
section{padding:84px 0}
.soft{background:var(--soft)}
.ice{background:var(--soft)}
.dark{background:var(--navy);color:#c5d3e2}
.dark h2,.dark h3{color:#fff}
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.card h3 a{text-decoration:none;color:var(--text)}
.card h3 a:hover{color:var(--accent)}
.card .more{font-weight:800;text-decoration:none}
.icon{width:52px;height:52px;border-radius:12px;background:#fdeee5;color:var(--accent);display:grid;place-items:center;margin-bottom:14px}
.photo-card{display:block;background:#fff;border-radius:var(--radius);overflow:hidden;text-decoration:none;color:var(--text);border:1px solid var(--line);transition:transform .15s,box-shadow .15s}
.photo-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);color:var(--text)}
.photo-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--ph)}
.photo-card .body{padding:22px 24px 26px}
.photo-card h3{margin-bottom:6px}
.photo-card p{margin:0;color:var(--muted)}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.split img{border-radius:var(--radius);width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--ph)}
.checklist{list-style:none;padding:0;margin:0 0 1em}
.checklist li{padding:6px 0 6px 32px;position:relative}
.checklist li::before{content:"";position:absolute;left:0;top:10px;width:20px;height:20px;border-radius:50%;background:var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E") center/12px no-repeat}
.cols{columns:3;column-gap:28px}
.cols li{break-inside:avoid}
.tags{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:0}
.tags li{background:#fff;border:1px solid #d3dce6;border-radius:999px;padding:8px 15px;font-weight:700;font-size:.93rem}
.tiles{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;list-style:none;padding:0;margin:0}
.tiles li{padding:14px 16px;border-radius:10px;background:var(--soft);font-weight:700}
.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:20px;grid-template-columns:repeat(3,1fr)}
.steps li{counter-increment:s;background:var(--soft);border-radius:var(--radius);padding:30px}
.steps li::before{content:counter(s);display:grid;place-items:center;width:48px;height:48px;border-radius:50%;background:var(--navy);color:#fff;font-family:var(--head);font-weight:800;font-size:1.2rem;margin-bottom:16px}
.steps li:last-child::before{background:var(--accent)}
.steps strong{display:block;font-family:var(--head);font-size:1.35rem;margin-bottom:6px}
.steps.s4{grid-template-columns:repeat(4,1fr)}
.steps.s4 li{background:#fff;border:1px solid var(--line)}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;text-align:center}
.stats b{display:block;font-family:var(--head);font-size:3.3rem;line-height:1.1;color:#ff8a4c}
.stats span{font-weight:700;color:#c5d3e2}

/* FAQ */
.faq details{background:#fff;border-radius:10px;padding:0 22px;margin-bottom:10px;border:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:800;padding:18px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;font-size:1.4rem;line-height:1;color:var(--accent)}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--muted)}

/* Testimonials */
.quote{margin:0;padding:28px;background:#fff;border-radius:var(--radius);border:1px solid var(--line)}
.quote blockquote{margin:0 0 14px}
.quote figcaption{font-weight:700;color:var(--muted-2);font-size:.93rem}

/* CTA band */
.cta-band{background:var(--accent);color:#fff;padding:52px 0}
.cta-band .wrap{display:flex;justify-content:space-between;align-items:center;gap:22px;flex-wrap:wrap}
.cta-band h2{color:#fff;margin:0}
.cta-band p{margin:.3em 0 0;color:#ffe4d4}
.cta-band .btn{background:#fff;color:var(--navy) !important}
.cta-band .btn:hover{background:#ffe9dc}

/* Gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gallery figure{margin:0;border-radius:12px;overflow:hidden;background:#fff;border:1px solid var(--line)}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--ph)}
.gallery figcaption{padding:12px 16px;font-size:.93rem;color:var(--muted);font-weight:600}
.gallery.g4c{grid-template-columns:repeat(4,1fr)}

/* Forms */
form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{display:block;font-weight:700;margin:0 0 6px;font-size:.93rem}
input,select,textarea{width:100%;padding:12px 14px;border:1px solid #c3cfdc;border-radius:8px;font:inherit;background:#fff;color:var(--text)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);border-color:var(--accent)}
.field{margin-bottom:14px}
.hp{position:absolute;left:-5000px}
.form-card{background:#fff;color:var(--text);border-radius:16px;padding:30px}
.contact-box{background:var(--soft);border-radius:var(--radius);padding:28px}
.contact-box p{margin:.2em 0 1em}
.map{border:0;width:100%;height:340px;border-radius:var(--radius)}

/* Footer */
.site-footer{background:var(--navy-3);color:#9fb0c4;padding:56px 0 26px;font-size:.95rem}
.site-footer h2{color:#fff;font-size:1.1rem;margin-bottom:12px}
.site-footer a{color:#e3eef8;text-decoration:none}
.site-footer a:hover{text-decoration:underline}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{padding:3px 0}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.1fr;gap:28px}
.legal{border-top:1px solid #1d3550;margin-top:34px;padding-top:18px;font-size:.85rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

.callbar{display:none}

@media (max-width:1000px){
  .g3,.g4,.steps.s4,.gallery.g4c{grid-template-columns:repeat(2,1fr)}
  .badges .inner{grid-template-columns:repeat(2,1fr)}
  .badge:nth-child(2){border-right:0}
  .badge:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr}
  .cols{columns:2}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .menu-toggle{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--navy);border-top:1px solid rgba(255,255,255,.1)}
  .nav.open{display:block}
  .nav ul{flex-direction:column;align-items:stretch;padding:10px 16px 18px}
  .nav .btn{margin:8px 0 0;text-align:center}
}
@media (max-width:640px){
  body{font-size:16px}
  section{padding:56px 0}
  .g2,.g3,.g4,.steps,.steps.s4,.foot-grid,form .row,.stats,.gallery,.gallery.g4c,.tiles{grid-template-columns:1fr}
  .badges .inner{grid-template-columns:1fr}
  .badge{border-right:0 !important;border-bottom:1px solid var(--line)}
  .badge:last-child{border-bottom:0}
  .cols{columns:1}
  .topbar .hide-sm{display:none}
  .hero .wrap{padding-top:80px;padding-bottom:120px}
  .page-hero .wrap{padding-top:44px;padding-bottom:50px}
  .callbar{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:60;box-shadow:0 -4px 16px rgba(0,0,0,.18)}
  .callbar a{flex:1;text-align:center;padding:15px 8px;font-weight:800;text-decoration:none}
  .callbar .c1{background:var(--accent);color:#fff}
  .callbar .c2{background:var(--navy);color:#fff}
  .site-footer{padding-bottom:84px}
}