/* Critical Cooling Systems Ltd — shared stylesheet */
:root{
  --navy:#0F2438;
  --navy-2:#16324A;
  --navy-3:#1D3E59;
  --frost:#F4F8FA;
  --frost-2:#E7EFF3;
  --slate:#50697D;
  --slate-dark:#AEC3D1;
  --copper:#C0693B;
  --copper-light:#E0894F;
  --cyan:#7FD4E8;
  --ink:#0B1A28;
  --line:#D7E2E8;
  --line-dark:#26445E;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--frost);
  color:var(--ink);
  font-family:'Inter',sans-serif;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:'Big Shoulders Display',sans-serif;
  font-weight:700;
  letter-spacing:0.01em;
  margin:0;
  text-transform:uppercase;
}
.mono{font-family:'IBM Plex Mono',monospace;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px;}
@media(max-width:640px){.wrap{padding:0 20px;}}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease;}
.reveal.in{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

/* ---------- topbar ---------- */
.topbar{background:var(--navy);color:var(--slate-dark);font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.06em;}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px;}
.topbar a{color:var(--cyan);}
.topbar .tag{color:var(--slate-dark);text-transform:uppercase;}

/* ---------- header/nav ---------- */
header.site{position:sticky;top:0;z-index:50;background:rgba(15,36,56,.97);backdrop-filter:blur(6px);border-bottom:1px solid var(--line-dark);}
nav.wrap{display:flex;align-items:center;justify-content:space-between;height:74px;}
.brand{display:flex;align-items:center;gap:10px;color:#fff;}
.brand-mark{width:34px;height:34px;border:2px solid var(--copper-light);border-radius:50%;display:flex;align-items:center;justify-content:center;position:relative;flex:none;}
.brand-mark::before{content:"";width:6px;height:6px;background:var(--cyan);border-radius:50%;}
.brand-text{font-family:'Big Shoulders Display';font-weight:700;font-size:19px;letter-spacing:.02em;text-transform:uppercase;line-height:1.05;}
.brand-text span{display:block;font-family:'IBM Plex Mono';font-size:9.5px;letter-spacing:.16em;color:var(--cyan);font-weight:400;text-transform:uppercase;margin-top:2px;}
.navlinks{display:flex;gap:30px;align-items:center;}
.navlinks a{color:var(--slate-dark);font-size:13px;letter-spacing:.03em;text-transform:uppercase;font-family:'IBM Plex Mono';position:relative;padding:4px 0;transition:color .2s;}
.navlinks a:hover,.navlinks a:focus-visible,.navlinks a.active{color:#fff;}
.navlinks a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1.5px;background:var(--copper-light);transition:width .25s;}
.navlinks a:hover::after,.navlinks a.active::after{width:100%;}
.nav-cta{background:var(--copper);color:#fff !important;padding:10px 18px;font-size:12.5px;border:1px solid var(--copper);font-family:'IBM Plex Mono';}
.nav-cta::after{display:none;}
.nav-cta:hover{background:var(--copper-light);}
.burger{display:none;background:none;border:1px solid var(--line-dark);color:#fff;width:42px;height:42px;font-size:18px;cursor:pointer;}
@media(max-width:900px){.navlinks{display:none;}.burger{display:block;}}

/* ---------- hero (home) ---------- */
.hero{background:linear-gradient(180deg,var(--navy) 0%, var(--navy-2) 100%);color:#fff;position:relative;overflow:hidden;padding:88px 0 70px;}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(180deg,transparent, black 20%, black 70%, transparent);}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center;position:relative;z-index:1;}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr;gap:40px;}}
.eyebrow{font-family:'IBM Plex Mono';font-size:12px;letter-spacing:.18em;color:var(--cyan);display:flex;align-items:center;gap:10px;margin-bottom:22px;text-transform:uppercase;}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--copper-light);}
.hero h1{font-size:clamp(38px,5.6vw,68px);line-height:.98;color:#fff;}
.hero h1 em{font-style:normal;color:var(--copper-light);}
.hero p.lead{font-family:'Inter';font-size:17px;line-height:1.65;color:var(--slate-dark);max-width:480px;margin:24px 0 34px;font-weight:400;}
.btnrow{display:flex;gap:14px;flex-wrap:wrap;}
.btn{padding:15px 26px;font-family:'IBM Plex Mono';font-size:13px;letter-spacing:.04em;text-transform:uppercase;border:1px solid transparent;display:inline-flex;align-items:center;gap:10px;transition:all .2s;cursor:pointer;}
.btn-primary{background:var(--copper);color:#fff;}
.btn-primary:hover{background:var(--copper-light);}
.btn-ghost{border-color:rgba(255,255,255,.28);color:#fff;}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);}
.statrow{display:flex;gap:38px;margin-top:52px;flex-wrap:wrap;}
.statrow .stat b{display:block;font-family:'Big Shoulders Display';font-size:34px;color:#fff;line-height:1;}
.statrow .stat span{font-family:'IBM Plex Mono';font-size:10.5px;letter-spacing:.1em;color:var(--slate-dark);text-transform:uppercase;}

/* hero photo + gauge overlay */
.hero-photo{position:relative;border:1px solid var(--line-dark);}
.hero-photo img{width:100%;height:420px;object-fit:cover;filter:saturate(0.92) contrast(1.03);}
@media(max-width:640px){.hero-photo img{height:300px;}}
.hero-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(15,36,56,.05) 30%,rgba(15,36,56,.75) 100%);}
.gauge-card{position:absolute;right:16px;bottom:16px;z-index:2;background:rgba(15,36,56,.88);border:1px solid var(--line-dark);padding:18px 20px 14px;width:200px;backdrop-filter:blur(3px);}
.gauge-card .readout-label{font-family:'IBM Plex Mono';font-size:10px;letter-spacing:.1em;color:var(--slate-dark);text-transform:uppercase;display:flex;align-items:center;margin-bottom:6px;}
.gauge-card .readout-label .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);display:inline-block;margin-right:6px;box-shadow:0 0 8px var(--cyan);}
#needle{transform-origin:100px 100px;transition:transform 1.8s cubic-bezier(.2,.9,.25,1);}
.gauge-readout{display:flex;justify-content:space-between;margin-top:10px;padding-top:10px;border-top:1px dashed var(--line-dark);}
.gauge-readout div b{display:block;font-family:'Big Shoulders Display';font-size:20px;color:#fff;}
.gauge-readout div span{font-family:'IBM Plex Mono';font-size:8.5px;color:var(--slate-dark);text-transform:uppercase;letter-spacing:.06em;}

/* ---------- page hero (inner pages) ---------- */
.page-hero{position:relative;background:var(--navy);color:#fff;overflow:hidden;}
.page-hero img{width:100%;height:280px;object-fit:cover;opacity:.42;}
@media(max-width:640px){.page-hero img{height:200px;}}
.page-hero-content{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;}
.page-hero h1{font-size:clamp(34px,5vw,58px);color:#fff;}
.page-hero .eyebrow{color:var(--cyan);}
.page-hero .eyebrow::before{background:var(--cyan);}
.page-hero p{color:var(--slate-dark);max-width:560px;margin-top:14px;font-size:15.5px;line-height:1.6;}

/* ---------- pipe divider ---------- */
.pipe{position:relative;height:64px;background:var(--frost);}
.pipe svg{position:absolute;left:50%;top:0;transform:translateX(-50%);}

section{padding:96px 0;}
@media(max-width:640px){section{padding:64px 0;}}
.section-head{max-width:640px;margin-bottom:56px;}
.section-head .eyebrow{color:var(--copper);}
.section-head .eyebrow::before{background:var(--copper);}
.section-head h2{font-size:clamp(30px,4vw,46px);color:var(--ink);}
.section-head p{color:var(--slate);font-size:16px;line-height:1.6;margin-top:16px;max-width:560px;}
.on-dark .section-head h2{color:#fff;}
.on-dark .section-head p{color:var(--slate-dark);}

/* ---------- image cards (services/products) ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
@media(max-width:900px){.svc-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.svc-grid{grid-template-columns:1fr;}}
.svc-card{background:#fff;transition:box-shadow .25s;display:flex;flex-direction:column;}
.svc-card .img-box{position:relative;height:190px;overflow:hidden;background:var(--navy);}
.svc-card .img-box img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.svc-card:hover .img-box img{transform:scale(1.06);}
.svc-card .img-box .svc-num{position:absolute;left:14px;top:14px;font-family:'IBM Plex Mono';font-size:11px;color:#fff;background:rgba(15,36,56,.75);padding:4px 8px;letter-spacing:.08em;}
.svc-card .body{padding:26px 26px 30px;flex:1;display:flex;flex-direction:column;}
.svc-card h3{font-size:20px;margin-top:0;color:var(--ink);text-transform:none;letter-spacing:0;font-weight:700;}
.svc-card p{color:var(--slate);font-size:14.5px;line-height:1.6;margin-top:10px;flex:1;}
.svc-card .tag{display:inline-block;margin-top:16px;font-family:'IBM Plex Mono';font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--slate);border:1px solid var(--line);padding:4px 9px;align-self:flex-start;}
.svc-card .link{margin-top:14px;font-family:'IBM Plex Mono';font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--copper);}
.svc-card .link:hover{color:var(--copper-light);}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:center;}
@media(max-width:900px){.about-grid{grid-template-columns:1fr;gap:36px;}}
.about-copy p{color:var(--slate);font-size:16px;line-height:1.75;margin:0 0 18px;}
.about-photo{border:1px solid var(--line);overflow:hidden;}
.about-photo img{width:100%;height:100%;object-fit:cover;display:block;min-height:340px;}
.mv-row{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);margin-top:8px;}
@media(max-width:560px){.mv-row{grid-template-columns:1fr;}}
.mv-card{background:#fff;padding:24px;}
.mv-card .eyebrow{font-size:10.5px;color:var(--copper);margin-bottom:10px;}
.mv-card .eyebrow::before{width:16px;}
.mv-card p{font-size:14.5px;color:var(--slate);line-height:1.6;margin:0;}

.sector-panel{background:var(--navy);color:#fff;padding:34px;}
.sector-panel .eyebrow{color:var(--cyan);}
.sector-panel .eyebrow::before{background:var(--cyan);}
.sector-panel h3{font-size:24px;color:#fff;margin-bottom:20px;}
.sector-list{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px;list-style:none;padding:0;margin:0;}
.sector-list li{font-family:'IBM Plex Mono';font-size:12.5px;color:var(--slate-dark);padding:10px 0;border-bottom:1px solid var(--line-dark);display:flex;align-items:center;gap:9px;}
.sector-list li::before{content:"";width:5px;height:5px;background:var(--copper-light);flex:none;}

/* ---------- why us ---------- */
.why-wrap{background:var(--navy);color:#fff;}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-dark);border:1px solid var(--line-dark);margin-top:10px;}
@media(max-width:900px){.why-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:560px){.why-grid{grid-template-columns:1fr;}}
.why-card{background:var(--navy-2);padding:30px 26px;}
.why-card .idx{font-family:'IBM Plex Mono';font-size:11px;color:var(--cyan);letter-spacing:.1em;}
.why-card h4{font-size:19px;color:#fff;margin-top:14px;text-transform:none;letter-spacing:0;}
.why-card p{font-size:13.5px;color:var(--slate-dark);line-height:1.6;margin-top:8px;}

/* ---------- partners ---------- */
.partners{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.partner-chip{font-family:'Big Shoulders Display';font-weight:600;font-size:16px;letter-spacing:.03em;color:var(--ink);border:1px solid var(--line);padding:14px 22px;background:#fff;text-transform:uppercase;transition:border-color .2s,color .2s;}
.partner-chip:hover{border-color:var(--copper);color:var(--copper);}

/* ---------- CTA band with photo ---------- */
.cta-band{position:relative;color:#fff;overflow:hidden;}
.cta-band img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;z-index:0;filter:saturate(.85);}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,36,56,.94) 30%,rgba(15,36,56,.55) 100%);z-index:1;}
.cta-band .wrap{position:relative;z-index:2;padding:80px 28px;}
.cta-band h2{font-size:clamp(28px,4vw,42px);color:#fff;max-width:560px;}
.cta-band p{color:var(--slate-dark);margin-top:14px;max-width:480px;font-size:15.5px;line-height:1.6;}
.cta-band .btnrow{margin-top:28px;}

/* ---------- contact ---------- */
.contact-wrap{background:linear-gradient(180deg,var(--frost) 0%, var(--frost-2) 100%);}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);}
@media(max-width:860px){.contact-grid{grid-template-columns:1fr;}}
.contact-panel{background:var(--navy);color:#fff;padding:44px;}
.contact-panel h3{font-size:26px;color:#fff;margin-bottom:6px;}
.contact-panel .sub{color:var(--slate-dark);font-size:14px;margin-bottom:32px;}
.clist{list-style:none;padding:0;margin:0;}
.clist li{border-top:1px solid var(--line-dark);padding:18px 0;}
.clist li:last-child{border-bottom:1px solid var(--line-dark);}
.clist .k{font-family:'IBM Plex Mono';font-size:10.5px;letter-spacing:.1em;color:var(--cyan);text-transform:uppercase;display:block;margin-bottom:6px;}
.clist .v{font-size:16px;color:#fff;}
.clist a.v:hover{color:var(--copper-light);}
.map-panel{min-height:340px;background:#dfe8ec;}
.map-panel iframe{width:100%;height:100%;min-height:340px;border:0;filter:grayscale(.15);}

.quote-form{background:#fff;border:1px solid var(--line);padding:40px;}
.quote-form h3{font-size:24px;color:var(--ink);margin-bottom:8px;}
.quote-form .sub{color:var(--slate);font-size:14px;margin-bottom:26px;}
.quote-form label{display:block;font-family:'IBM Plex Mono';font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--slate);margin-bottom:6px;}
.quote-form .field{margin-bottom:18px;}
.quote-form input,.quote-form select,.quote-form textarea{
  width:100%;border:1px solid var(--line);background:var(--frost);padding:12px 14px;font-family:'Inter';font-size:14.5px;color:var(--ink);
}
.quote-form input:focus,.quote-form select:focus,.quote-form textarea:focus{outline:2px solid var(--copper);outline-offset:1px;}
.quote-form textarea{resize:vertical;min-height:110px;}
.form-row2{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
@media(max-width:560px){.form-row2{grid-template-columns:1fr;}}

/* ---------- footer ---------- */
footer{background:var(--navy);border-top:1px solid var(--line-dark);color:var(--slate-dark);padding:56px 0 26px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid var(--line-dark);}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr;gap:30px;}}
.foot-grid h5{font-family:'IBM Plex Mono';font-size:11px;letter-spacing:.1em;color:#fff;text-transform:uppercase;margin-bottom:18px;}
.foot-grid ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px;}
.foot-grid a{font-size:14px;color:var(--slate-dark);transition:color .2s;}
.foot-grid a:hover{color:var(--cyan);}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:22px;font-family:'IBM Plex Mono';font-size:11.5px;flex-wrap:wrap;gap:10px;}
.foot-bottom a{color:var(--cyan);}
.foot-credit{font-family:'IBM Plex Mono';font-size:10px;color:#5c7688;padding-top:14px;line-height:1.6;}
.foot-credit a{color:#7a95a6;}

.skip-link{position:absolute;left:-999px;top:0;background:#fff;color:#000;padding:10px;z-index:100;}
.skip-link:focus{left:10px;top:10px;}
a:focus-visible,button:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}

/* breadcrumb-ish eyebrow used at top of inner sections */
.crumb{font-family:'IBM Plex Mono';font-size:11px;color:var(--slate);letter-spacing:.06em;text-transform:uppercase;margin-bottom:10px;}
.crumb a{color:var(--copper);}

/* =======================================================
   NEW — dynamic modernisation additions
   ======================================================= */

/* trust bar / animated stats */
.trustbar{background:var(--frost-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:34px 0;}
.trustbar .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px;}
.tcounter{text-align:center;flex:1;min-width:130px;}
.tcounter b{display:block;font-family:'Big Shoulders Display';font-size:36px;color:var(--navy);line-height:1;}
.tcounter span{font-family:'IBM Plex Mono';font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--slate);display:block;margin-top:6px;}

/* process timeline (how we work) */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:10px;}
@media(max-width:900px){.process{grid-template-columns:1fr 1fr;}}
@media(max-width:560px){.process{grid-template-columns:1fr;}}
.process-step{background:#fff;padding:28px 24px;position:relative;overflow:hidden;}
.process-step .pnum{font-family:'Big Shoulders Display';font-size:46px;color:var(--frost-2);position:absolute;top:8px;right:14px;line-height:1;}
.process-step h4{font-size:17px;margin-top:6px;position:relative;text-transform:none;letter-spacing:0;}
.process-step p{font-size:13.5px;color:var(--slate);margin-top:8px;line-height:1.55;position:relative;}

/* testimonials */
.testi-wrap{position:relative;max-width:760px;margin:36px auto 0;min-height:210px;}
.testi-card{background:#fff;border:1px solid var(--line);padding:36px 40px;text-align:center;display:none;}
.testi-card .stars{color:var(--copper);font-size:16px;letter-spacing:3px;margin-bottom:16px;}
.testi-card p{font-size:16.5px;line-height:1.65;color:var(--ink);font-style:italic;}
.testi-card .who{margin-top:20px;font-family:'IBM Plex Mono';font-size:11.5px;letter-spacing:.06em;color:var(--slate);text-transform:uppercase;}
.testi-dots{display:flex;justify-content:center;gap:8px;margin-top:22px;}
.testi-dot{width:8px;height:8px;border-radius:50%;background:var(--line);border:0;cursor:pointer;padding:0;}
.testi-dot.active{background:var(--copper);}

/* gallery strip */
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:30px;}
@media(max-width:900px){.gallery{grid-template-columns:repeat(2,1fr);}}
.gallery-item{position:relative;display:block;overflow:hidden;aspect-ratio:1;background:var(--navy);}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.gallery-item:hover img{transform:scale(1.08);}
.gallery-item .cap{position:absolute;left:0;right:0;bottom:0;padding:10px 12px;background:linear-gradient(0deg,rgba(15,36,56,.9),transparent 90%);color:#fff;font-family:'IBM Plex Mono';font-size:10px;letter-spacing:.05em;text-transform:uppercase;}

/* FAQ accordion */
.faq{max-width:780px;margin:30px auto 0;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{width:100%;text-align:left;background:none;border:0;padding:20px 4px;display:flex;justify-content:space-between;align-items:center;gap:16px;cursor:pointer;font-family:'Inter';font-weight:600;font-size:15px;color:var(--ink);}
.faq-q .plus{font-family:'Big Shoulders Display';font-size:22px;color:var(--copper);transition:transform .25s;flex:none;}
.faq-item.open .faq-q .plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 4px 20px;color:var(--slate);font-size:14px;line-height:1.6;max-width:660px;margin:0;}
.on-dark .faq-q{color:#fff;}

/* AC sizing calculator */
.calc-panel{background:var(--navy);color:#fff;padding:40px;display:grid;grid-template-columns:1fr 1fr;gap:40px;}
@media(max-width:800px){.calc-panel{grid-template-columns:1fr;padding:28px;}}
.calc-panel h3{color:#fff;font-size:23px;text-transform:none;letter-spacing:0;}
.calc-panel .sub{color:var(--slate-dark);font-size:13.5px;margin-top:8px;margin-bottom:24px;line-height:1.55;}
.calc-field{margin-bottom:16px;}
.calc-field label{display:block;font-family:'IBM Plex Mono';font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--cyan);margin-bottom:6px;}
.calc-field input,.calc-field select{width:100%;border:1px solid var(--line-dark);background:var(--navy-2);color:#fff;padding:11px 13px;font-family:'Inter';font-size:14px;}
.calc-result{background:var(--navy-2);border:1px solid var(--line-dark);padding:26px;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;}
.calc-result .kw{font-family:'Big Shoulders Display';font-size:50px;color:var(--cyan);line-height:1;}
.calc-result .kwlabel{font-family:'IBM Plex Mono';font-size:10.5px;letter-spacing:.08em;color:var(--slate-dark);text-transform:uppercase;margin-top:6px;}
.calc-result .btuline{font-family:'IBM Plex Mono';font-size:12px;color:var(--slate-dark);margin-top:14px;}
.calc-result .note{font-size:12px;color:var(--slate-dark);margin-top:16px;line-height:1.55;}

/* floating action buttons */
.float-wa{position:fixed;right:20px;bottom:20px;z-index:60;width:56px;height:56px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(0,0,0,.3);transition:transform .2s;}
.float-wa:hover{transform:scale(1.08);}
.float-wa svg{width:28px;height:28px;fill:#fff;}
.back-top{position:fixed;right:22px;bottom:88px;z-index:60;width:42px;height:42px;border-radius:50%;background:var(--navy);border:1px solid var(--line-dark);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;visibility:hidden;transition:opacity .25s,visibility .25s,transform .2s;font-size:17px;}
.back-top.show{opacity:1;visibility:visible;}
.back-top:hover{transform:translateY(-3px);}

/* insight / blog cards */
.insight-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
@media(max-width:900px){.insight-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:560px){.insight-grid{grid-template-columns:1fr;}}
.insight-card{background:#fff;padding:28px 26px;display:flex;flex-direction:column;}
.insight-card .cat{font-family:'IBM Plex Mono';font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--copper);}
.insight-card h3{font-size:18px;text-transform:none;letter-spacing:0;margin-top:12px;color:var(--ink);}
.insight-card p{font-size:14px;color:var(--slate);line-height:1.6;margin-top:10px;flex:1;}
.insight-card .link{margin-top:16px;font-family:'IBM Plex Mono';font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--copper);}
.insight-card .link:hover{color:var(--copper-light);}

/* long-form article body (insights page) */
.article{max-width:740px;margin:0 auto;padding:60px 0;border-bottom:1px solid var(--line);}
.article:last-child{border-bottom:0;}
.article .cat{font-family:'IBM Plex Mono';font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--copper);}
.article h2{font-size:clamp(22px,3vw,30px);margin-top:12px;text-transform:none;letter-spacing:0;}
.article p{color:var(--slate);font-size:15.5px;line-height:1.75;margin-top:16px;}
.article ul{color:var(--slate);font-size:15px;line-height:1.8;padding-left:20px;margin-top:14px;}
.article .meta{font-family:'IBM Plex Mono';font-size:11px;color:var(--slate);letter-spacing:.05em;text-transform:uppercase;margin-top:10px;}

/* certification badges (about) */
.badge-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.badge{display:flex;align-items:center;gap:10px;border:1px solid var(--line-dark);padding:12px 18px;background:var(--navy-2);}
.badge svg{width:20px;height:20px;flex:none;stroke:var(--cyan);}
.badge span{font-family:'IBM Plex Mono';font-size:11px;letter-spacing:.05em;color:var(--slate-dark);text-transform:uppercase;}

/* milestone timeline (about) */
.timeline{position:relative;margin-top:40px;padding-left:28px;border-left:2px solid var(--line);}
.tl-item{position:relative;padding-bottom:34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{content:"";position:absolute;left:-34px;top:2px;width:12px;height:12px;border-radius:50%;background:var(--copper);border:3px solid var(--frost);}
.tl-item .yr{font-family:'IBM Plex Mono';font-size:12px;color:var(--copper);letter-spacing:.06em;}
.tl-item h4{font-size:17px;margin-top:6px;text-transform:none;letter-spacing:0;}
.tl-item p{font-size:14px;color:var(--slate);margin-top:6px;line-height:1.55;max-width:540px;}

/* insight teaser strip used on homepage */
.insight-teaser-head{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:16px;}
.insight-teaser-head .btn{white-space:nowrap;}

/* small utility */
.ta-center{text-align:center;}