/* Core Lab Engineering Ltd — site styles */
:root{
  --navy:#0c1f3f; --navy-deep:#081630; --blue:#1557c0; --blue-hover:#1d68e0; --blue-light:#7eaaff;
  --ink:#0f1b2d; --text:#3d4757; --muted:#5b6678; --muted2:#7a8597;
  --line:#e3e8ef; --line2:#d5dbe5; --soft:#f4f6f9; --error:#c0392b;
  --wrap:1160px; --gutter:clamp(20px,4vw,40px); --pad-y:clamp(56px,8vw,96px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;font-family:system-ui,-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;color:var(--ink);-webkit-font-smoothing:antialiased;font-size:15px}
h1,h2,h3,h4{font-family:inherit;margin:0}
p{margin:0}
a{color:var(--blue);text-decoration:none}
a:hover{color:#0e3f8f}
img{max-width:100%;display:block}
input,select,textarea,button{font-family:inherit}
:focus-visible{outline:2px solid #3b82f6;outline-offset:2px}

.site{min-height:100vh;display:flex;flex-direction:column}
main{flex:1}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter)}
.sec{padding-top:var(--pad-y);padding-bottom:var(--pad-y)}
.bg-soft{background:var(--soft)}
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr));gap:clamp(32px,5vw,64px)}
.kicker{font-size:11.5px;font-weight:600;letter-spacing:.16em;color:var(--blue)}
.h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;letter-spacing:-.01em}
.lead-p{font-size:15px;line-height:1.7;color:var(--muted)}
.body-p{font-size:15px;line-height:1.75;color:var(--text)}
.stack{display:flex;flex-direction:column}
.g10{gap:10px}.g12{gap:12px}.g14{gap:14px}
.num{font-size:12px;font-weight:600;color:var(--blue)}

/* Buttons */
.btn{display:inline-block;font-size:13.5px;font-weight:600;padding:11px 20px;border-radius:4px;transition:background .15s,border-color .15s,color .15s}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-hover);color:#fff}
.btn-ghost{border:1px solid rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff}
.btn-outline{border:1px solid var(--line2);color:var(--ink);font-size:13px;padding:9px 16px}
.btn-outline:hover{border-color:var(--blue);color:var(--blue)}

/* Header */
.header{position:sticky;top:0;z-index:30;background:var(--navy)}
.header .wrap{padding-top:12px;padding-bottom:12px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;margin-right:auto}
.brand:hover{color:#fff}
.brand-txt{display:flex;flex-direction:column;line-height:1}
.brand-txt b{font-weight:700;font-size:14px;letter-spacing:.04em}
.brand-txt small{font-size:8px;letter-spacing:.3em;color:#8fa3c4;margin-top:3px}
.nav{display:flex;gap:clamp(14px,2.4vw,28px);font-size:13.5px}
.nav a{color:#b7c4da;padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover{color:#fff}
.nav a.active{color:#fff;border-bottom-color:#3b82f6}
.header .cta{font-size:13px;padding:9px 16px}
.nav-toggle{display:none;background:none;border:0;padding:6px;cursor:pointer;color:#fff}
.nav-toggle svg{display:block}
@media (max-width:860px){
  .header .wrap{flex-wrap:wrap;gap:12px}
  .nav-toggle{display:block}
  .header .cta{display:none}
  .nav{display:none;width:100%;flex-direction:column;gap:0;padding:6px 0 10px;border-top:1px solid rgba(255,255,255,.1)}
  .nav.open{display:flex}
  .nav a{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.06)}
  .nav a.active{border-bottom-color:rgba(255,255,255,.06);color:#fff;box-shadow:inset 3px 0 0 #3b82f6;padding-left:12px}
}

/* Hero */
.hero{position:relative;background:var(--navy);color:#fff;overflow:hidden}
.hero > img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:70% center}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,31,63,.96) 0%,rgba(12,31,63,.86) 45%,rgba(12,31,63,.4) 100%)}
.hero .wrap{position:relative;z-index:1;padding-top:clamp(56px,8vw,96px);padding-bottom:clamp(48px,6vw,72px)}
.hero-copy{max-width:560px;display:flex;flex-direction:column;gap:18px}
.hero-kicker{font-size:11.5px;font-weight:600;letter-spacing:.18em;color:var(--blue-light)}
.hero h1{font-size:clamp(28px,3.6vw,42px);line-height:1.15;font-weight:700;letter-spacing:-.015em}
.hero-lead{font-size:15.5px;line-height:1.7;color:#d3ddee}
.hero-btns{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:24px;margin-top:clamp(48px,7vw,80px);padding-top:24px;border-top:1px solid rgba(255,255,255,.14)}
.stat{display:flex;flex-direction:column;gap:6px}
.stat span{font-size:10.5px;font-weight:600;letter-spacing:.16em;color:var(--blue-light)}
.stat b{font-size:24px;font-weight:600}

/* Cards */
.cards{display:grid;gap:16px}
.cards-280{grid-template-columns:repeat(auto-fill,minmax(min(100%,280px),1fr))}
.cards-260{grid-template-columns:repeat(auto-fill,minmax(min(100%,260px),1fr))}
.cards-240{grid-template-columns:repeat(auto-fill,minmax(min(100%,240px),1fr))}
.card{border:1px solid var(--line);border-radius:6px;padding:24px;display:flex;flex-direction:column;gap:10px;background:#fff;transition:all .2s}
.card.hover:hover{border-color:var(--blue);box-shadow:0 8px 24px rgba(12,31,63,.07)}
.card h3{font-size:15px;font-weight:650}
.card p{font-size:13.5px;line-height:1.65;color:var(--muted)}
.card .ico{margin-bottom:4px}
.card.text p{font-size:14px;line-height:1.7;color:var(--text)}

.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap;margin-bottom:32px}
.sec-head > div{max-width:600px;display:flex;flex-direction:column;gap:12px}

.photo{border-radius:6px;overflow:hidden;position:relative}
.photo img{width:100%;height:100%;object-fit:cover}
.photo.tall{min-height:380px}
.photo.tall img{position:absolute;inset:0;object-position:60% center}
.photo.ratio{aspect-ratio:4/3.2}

.list-rows{display:flex;flex-direction:column;margin-top:8px}
.list-rows div{display:flex;gap:16px;padding:12px 0;border-bottom:1px solid var(--line);align-items:baseline}
.list-rows span:last-child{font-size:14px;font-weight:600}

.check{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.5}
.check svg{flex:none;margin-top:3px}
.check-rows .check{padding:12px 0;border-bottom:1px solid var(--line);font-size:14.5px;gap:12px}

/* Services */
.svc{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:20px 56px;padding:36px 0;border-bottom:1px solid var(--line)}
.svc h3{font-size:18px;font-weight:650}
.svc p{font-size:14.5px;line-height:1.75;color:var(--text)}
.svc-box{background:var(--soft);border-radius:6px;padding:24px;display:flex;flex-direction:column;gap:10px;align-self:start}
.svc-box .lbl{font-size:11px;font-weight:600;letter-spacing:.12em;color:var(--muted)}

.mission{grid-column:1/-1;background:var(--navy);color:#fff;border-radius:6px;padding:clamp(28px,4vw,44px);display:flex;gap:16px 40px;flex-wrap:wrap;align-items:center;margin-top:16px}
.mission p{flex:1 1 400px;font-size:clamp(17px,1.8vw,20px);line-height:1.5;font-weight:500}

.intro{padding-top:clamp(48px,7vw,80px);display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr));gap:16px 56px;font-size:15px;line-height:1.75;color:var(--text)}
.box{background:#fff;border:1px solid var(--line);border-radius:6px;padding:26px;display:flex;flex-direction:column;gap:10px}
.note{font-size:12.5px;line-height:1.6;color:var(--muted2);max-width:820px}

/* CTA band */
.cta-band{background:var(--navy);color:#fff;margin-top:var(--pad-y)}
.cta-band .wrap{padding-top:clamp(48px,7vw,72px);padding-bottom:clamp(48px,7vw,72px);display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta-band .txt{max-width:600px;display:flex;flex-direction:column;gap:10px}
.cta-band p{font-size:14.5px;line-height:1.7;color:#a9b8d1}

/* Contact */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:40px 64px;align-items:start;padding-top:clamp(48px,7vw,88px);padding-bottom:clamp(48px,7vw,88px)}
.cinfo{display:flex;flex-direction:column;gap:16px;padding-top:18px;border-top:1px solid var(--line)}
.cinfo div{display:flex;flex-direction:column;gap:4px}
.cinfo .lbl{font-size:11px;font-weight:600;letter-spacing:.14em;color:var(--muted2)}
.form-card{border:1px solid var(--line);border-radius:8px;padding:clamp(22px,3.5vw,36px);box-shadow:0 12px 32px rgba(12,31,63,.06)}
.form{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:16px}
.form label{display:flex;flex-direction:column;gap:6px;font-size:12.5px;font-weight:600;color:var(--text)}
.form .full{grid-column:1/-1}
.form input,.form select,.form textarea{height:42px;padding:0 12px;border:1px solid var(--line2);border-radius:4px;font-size:14px;outline:none;background:#fff;color:var(--ink);font-weight:400}
.form textarea{height:auto;padding:10px 12px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--blue)}
.form .invalid{border-color:var(--error)}
.form .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.captcha-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.captcha-row img{height:42px;width:150px;border:1px solid var(--line2);border-radius:4px;background:#f4f6f9}
.captcha-row input{flex:1 1 120px;min-width:0}
.captcha-refresh{height:42px;width:42px;border:1px solid var(--line2);border-radius:4px;background:#fff;cursor:pointer;display:grid;place-items:center;color:var(--muted)}
.captcha-refresh:hover{border-color:var(--blue);color:var(--blue)}
.form-error{font-size:13px;color:var(--error)}
.form button[type=submit]{height:46px;background:var(--blue);color:#fff;border:0;border-radius:4px;font-size:14px;font-weight:600;cursor:pointer}
.form button[type=submit]:hover{background:var(--blue-hover)}
.form button[type=submit]:disabled{opacity:.65;cursor:wait}
.sent{display:flex;flex-direction:column;gap:12px;align-items:flex-start;padding:24px 0}
.sent .ok{width:44px;height:44px;border-radius:50%;background:#e6efff;display:grid;place-items:center}
.sent h3{font-size:18px;font-weight:650}
.sent p{font-size:14.5px;color:var(--muted);line-height:1.6}
.sent button{margin-top:8px;background:none;border:1px solid var(--line2);border-radius:4px;padding:9px 16px;font-size:13px;font-weight:600;cursor:pointer;color:var(--ink)}
.sent button:hover{border-color:var(--blue);color:var(--blue)}
[hidden]{display:none!important}

/* Footer */
.footer{background:var(--navy-deep);color:#a9b8d1;border-top:1px solid rgba(255,255,255,.06)}
.footer-cols{padding-top:48px;padding-bottom:28px;display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:32px}
.footer-cols > div{display:flex;flex-direction:column;gap:9px;font-size:13px}
.footer .fh{font-size:11px;font-weight:600;letter-spacing:.14em;color:var(--blue-light);margin-bottom:4px}
.footer a{color:#a9b8d1}
.footer a:hover{color:#fff}
.footer .brand-name{color:#fff;font-weight:700;font-size:14px;letter-spacing:.04em}
.footer .est{font-size:11px;letter-spacing:.14em;color:#6b7c99}
.footer-bottom{border-top:1px solid rgba(255,255,255,.06)}
.footer-bottom .wrap{padding-top:18px;padding-bottom:18px;font-size:11.5px;color:#6b7c99;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.bg-soft + .cta-band{margin-top:0}