*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#f6f8f6;color:#111612;font-family:Arial,Helvetica,sans-serif}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
.site-header{position:sticky;top:0;z-index:20;display:grid;grid-template-columns:auto minmax(420px,1fr) minmax(250px,360px);align-items:center;gap:28px;border-bottom:1px solid #d8dfdb;background:rgba(255,255,255,.97);padding:14px clamp(18px,4.5vw,70px);backdrop-filter:blur(18px);box-shadow:0 14px 34px rgba(7,18,13,.1)}
.brand{display:flex;align-items:center;gap:14px;color:#0d1712;font-size:15px;font-weight:900;white-space:nowrap}.brand img{width:112px;height:72px;object-fit:contain;border-radius:4px;background:#fff}
nav{display:flex;justify-content:center;gap:10px;color:#29332d;font-size:14px;font-weight:900}nav a{display:inline-flex;align-items:center;justify-content:center;min-width:96px;min-height:42px;border:1px solid #d8dfdb;border-radius:6px;background:#f7f9f7}nav a:hover,nav a:focus-visible{border-color:#087d38;background:#eef7f1;color:#067a34}
.article-hero{border-bottom:1px solid #d8dfdb;background:linear-gradient(125deg,#fff 0%,#eef6f1 100%);padding:clamp(58px,8vw,108px) clamp(18px,5vw,72px)}
.article-hero__inner{max-width:1120px}.eyebrow{margin:0 0 14px;color:#087d38;font-size:13px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.article-hero h1{max-width:1050px;margin:0;color:#0d1712;font-size:clamp(42px,6.6vw,76px);font-weight:900;line-height:1.01}.article-hero__lead{max-width:820px;margin:22px 0 0;color:#59645e;font-size:19px;line-height:1.72}.article-meta{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:24px;color:#536058;font-size:13px;font-weight:800}.article-meta a{color:#087d38}
.article-intro{padding:52px clamp(18px,5vw,72px);background:#fff}.article-intro__inner{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(260px,.7fr);gap:48px;max-width:1120px}.article-intro h2{margin:0;color:#101210;font-size:clamp(28px,3.6vw,44px);line-height:1.1}.article-intro p{margin:18px 0 0;color:#5d665f;font-size:16px;line-height:1.75}.classification-note{align-self:start;border-left:4px solid #087d38;border-radius:5px;background:#eef7f1;padding:20px 22px}.classification-note strong{display:block;margin-bottom:8px;color:#0f3b22;font-size:14px}.classification-note p{margin:0;color:#496056;font-size:14px;line-height:1.65}
.article-cta{display:flex;flex-wrap:wrap;gap:12px;padding:0 clamp(18px,5vw,72px) clamp(56px,7vw,88px);background:#f4f7f5}.article-cta a{display:inline-flex;align-items:center;justify-content:center;min-height:46px;border:1px solid #cad5ce;border-radius:5px;background:#fff;padding:0 18px;color:#152119;font-size:14px;font-weight:900}.article-cta a.primary{border-color:#087d38;background:#087d38;color:#fff}.article-cta a:hover,.article-cta a:focus-visible{border-color:#056b30;background:#056b30;color:#fff}
.site-footer{display:flex;align-items:center;gap:28px;background:#101210;color:#fff;padding:42px clamp(18px,5vw,72px)}.site-footer .footer-logo img{width:138px;height:92px;object-fit:contain;background:#fff;border-radius:6px}.site-footer .footer-info{display:block;max-width:980px;color:#fff}.site-footer h2{margin:0 0 10px;color:#fff;font-size:26px;line-height:1.15}.site-footer p{margin:0 0 7px;color:#cbd5cc;font-size:14px;line-height:1.55}.site-footer .footer-slogan{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 10px;font-size:13px;font-weight:900}.site-footer .footer-slogan span{color:#fff}.site-footer .footer-slogan .red{color:#e31818}.site-footer .footer-slogan .green{color:#087d38}
body::before{content:"All about NDT.";position:fixed;left:50%;top:50%;z-index:0;transform:translate(-50%,-50%) rotate(-18deg);color:rgba(7,18,13,.025);font-size:clamp(86px,15vw,240px);font-weight:900;line-height:.9;white-space:nowrap;pointer-events:none}body>*{position:relative;z-index:1}
@media(max-width:1180px){.site-header{grid-template-columns:1fr}.brand{white-space:normal}nav{justify-content:flex-start;flex-wrap:wrap}}
@media(max-width:760px){body{overflow-x:hidden}.site-header{position:static;padding:12px 14px;gap:12px}.brand{gap:10px;font-size:13px}.brand img{width:88px;height:58px}nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));width:100%;gap:8px}nav a{min-width:0}.article-hero{padding:40px 16px 44px}.article-hero h1{font-size:clamp(35px,11vw,49px)}.article-hero__lead{font-size:16px;line-height:1.62}.article-intro{padding:42px 16px}.article-intro__inner{grid-template-columns:1fr;gap:26px}.article-cta{padding:0 16px 48px}.article-cta a{width:100%}.site-footer{align-items:flex-start;flex-direction:column;padding:30px 16px}.site-footer .footer-logo img{width:112px;height:76px}.site-footer h2{font-size:21px}.site-footer p{font-size:13px}}
@media(max-width:430px){nav{grid-template-columns:1fr}}