/* METRON NDT — industrial precision design system
   Accent matches the Metron logo cyan; --amber var name kept for brevity. */
:root{
  --ink:#14181C; --steel:#1F262B; --paper:#F1F4F5; --card:#FFFFFF;
  --amber:#2CB1CF; --amber-d:#2292AD; --line:#D3DCDF; --line-dark:#38434A;
  --mut:#5F6B70;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'IBM Plex Sans',sans-serif;background:var(--paper);color:var(--ink);line-height:1.65;font-size:16.5px}
.mono{font-family:'IBM Plex Mono',monospace;letter-spacing:.04em}
.clients-grid{grid-template-columns:repeat(4,1fr)}
.client-logo{background:#fff;display:grid;place-items:center;min-height:84px;padding:.7rem;border:1px solid var(--line)}
.client-logo img{max-height:64px;max-width:100%;object-fit:contain}
.client-name{font-family:'IBM Plex Sans',sans-serif;font-size:.8rem;color:var(--ink);display:grid;place-items:center;text-align:center;min-height:64px;background:var(--card);border:1px solid var(--line);padding:.6rem}
@media(max-width:900px){.clients-grid{grid-template-columns:repeat(2,1fr)}}
.small{font-size:.8rem}
.amber{color:var(--amber)}
.wrap{max-width:1140px;margin:0 auto;padding:0 1.4rem}
h1,h2,h3,.brand-word,.foot-brand,.stat-n{font-family:'Archivo Black',sans-serif;font-weight:400;line-height:1.08}
h1{font-size:clamp(2.2rem,5.5vw,4rem)}
h1 em{font-style:normal;color:var(--amber)}
h2{font-size:clamp(1.5rem,3.4vw,2.4rem);margin-bottom:1rem}
h3{font-size:1.12rem;margin-bottom:.5rem}
p{margin-bottom:1rem}
a{color:inherit;text-decoration:none}

/* top bar + header */
.topbar{background:var(--ink);color:#B9C0C7;font-size:.72rem;border-bottom:1px solid var(--line-dark)}
.topbar-in{display:flex;gap:1.6rem;justify-content:flex-end;padding-top:.45rem;padding-bottom:.45rem;flex-wrap:wrap}
.site-head{background:var(--steel);position:sticky;top:0;z-index:50;border-bottom:2px solid var(--amber)}
.head-in{display:flex;align-items:center;justify-content:space-between;padding-top:.7rem;padding-bottom:.7rem;gap:1rem}
.brand{display:flex;align-items:center;gap:.7rem;color:#fff}
.brand-logo{height:46px;width:auto;background:#fff;border-radius:6px;padding:3px}
.brand-word{font-size:1.25rem;letter-spacing:.06em;display:flex;flex-direction:column;line-height:1}
.brand-word small{font-family:'IBM Plex Mono';font-size:.55rem;color:#9AA3AC;letter-spacing:.18em;margin-top:.3rem}
.nav{display:flex;gap:1.1rem;flex-wrap:wrap}
.nav a{color:#C9D0D7;font-size:.82rem;font-weight:500;padding:.3rem 0;border-bottom:2px solid transparent}
.nav a:hover{color:#fff}
.nav a.on{color:var(--amber);border-bottom-color:var(--amber)}
.burger{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px}
.burger span{width:26px;height:2.5px;background:#fff;display:block}

/* hero */
.hero{background:var(--ink);color:#EDEAE2;position:relative;overflow:hidden}
.hero-in{padding:5.5rem 1.4rem 4.5rem;position:relative;z-index:2;max-width:1140px;margin:0 auto}
.hero-grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(44,177,207,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(44,177,207,.07) 1px,transparent 1px);background-size:44px 44px;pointer-events:none}
.kicker{font-size:.75rem;letter-spacing:.22em;margin-bottom:1.1rem}
.hero-sub{max-width:620px;color:#B9BFC6;font-size:1.05rem;margin-top:1.2rem}
.hero-cta{display:flex;gap:.9rem;margin-top:2rem;flex-wrap:wrap}
.btn{display:inline-block;padding:.85rem 1.7rem;font-family:'IBM Plex Mono';font-size:.8rem;letter-spacing:.08em;font-weight:500;border:1.5px solid transparent;transition:all .2s}
.btn-amber{background:var(--amber);color:var(--ink)}
.btn-amber:hover{background:var(--amber-d)}
.btn-ghost{border-color:#5A636C;color:#EDEAE2}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber)}
.small-btn{padding:.6rem 1.1rem;margin-top:.6rem}
.ticker{border-top:1px solid var(--line-dark);overflow:hidden;white-space:nowrap;padding:.55rem 0;color:#8B939B;font-size:.72rem;position:relative;z-index:2}
.ticker-in{display:inline-block;animation:tick 40s linear infinite}
@keyframes tick{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* page hero */
.page-hero{background:var(--ink);color:#EDEAE2;position:relative;overflow:hidden}
.page-hero .wrap{padding-top:4rem;padding-bottom:3.2rem;position:relative;z-index:2}

/* sections */
.sec{padding:4.2rem 0}
.sec-alt{background:#E7EDEF;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-dark{background:var(--steel);color:#EDEAE2}
.cta-in{text-align:center;max-width:680px}
.cta-in .hero-sub{margin-left:auto;margin-right:auto}

/* grids */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.stat{border-left:3px solid var(--amber);padding-left:1rem}
.stat-n{font-size:2.3rem;color:var(--steel)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem;margin-top:2rem}
.disc-card{background:var(--card);border:1px solid var(--line);padding:2rem;position:relative;transition:transform .2s,box-shadow .2s;display:block}
.disc-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(24,28,32,.12)}
.disc-no{font-size:.75rem;color:var(--amber);margin-bottom:.8rem}
.link-arrow{font-size:.75rem;color:var(--amber);letter-spacing:.1em}
.why-grid,.two-col{display:grid;grid-template-columns:1.1fr .9fr;gap:2.6rem;align-items:start}
.checks{list-style:none;margin:1.2rem 0}
.checks li{padding:.45rem 0 .45rem 1.7rem;position:relative;border-bottom:1px dashed var(--line)}
.checks li:before{content:"\2713";position:absolute;left:0;color:var(--amber);font-weight:700}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.3rem;margin-top:1.6rem}
.card{background:var(--card);border:1px solid var(--line);padding:1.6rem;margin-bottom:1.2rem}

/* method rows */
.m-head,.m-row{display:grid;grid-template-columns:1fr;gap:1.2rem;align-items:start}
.m-row:first-child{border-top:2px solid var(--ink)}
.m-head{color:var(--mut);padding:.5rem 1rem;border-bottom:2px solid var(--ink)}
.m-row{background:var(--card);border:1px solid var(--line);border-top:0;padding:1.1rem 1rem}
.m-row:hover{background:#FBF9F4}
.m-no{color:var(--amber);font-size:.85rem;padding-top:.2rem}
.m-std{color:var(--mut);padding-top:.2rem}

/* scope table */
.scope-table{border:1px solid var(--line);background:var(--card)}
.s-row{display:grid;grid-template-columns:60px 1.1fr 1.4fr 160px;gap:1rem;padding:.8rem 1rem;border-bottom:1px solid var(--line);font-size:.92rem}
.s-head{background:var(--ink);color:#EDEAE2;border-bottom:2px solid var(--amber)}

/* dummy images (replace with real photos — see HTML comments) */
.ph-img{width:100%;display:block;border:1px solid var(--line)}
.ph-img.tall{min-height:340px;object-fit:cover}
.photo-ph{border:2px dashed #A9B6BB;background:#E7EDEF;min-height:200px;display:grid;place-items:center;text-align:center;color:var(--mut);font-size:.72rem;letter-spacing:.06em;padding:1rem}
.photo-ph.tall{min-height:340px}
.map-ph{border:2px dashed #B9B29F;min-height:260px;display:grid;place-items:center;text-align:center;color:var(--mut);font-size:.72rem;background:#EFEBE0;margin-top:1.2rem;padding:1rem}
.logo-strip{display:grid;grid-template-columns:repeat(6,1fr);gap:1rem;margin:1.8rem 0}
.logo-ph{border:1px dashed #B9B29F;padding:1.2rem .5rem;text-align:center;font-size:.65rem;color:var(--mut)}
.quote{border-left:3px solid var(--amber);padding:1rem 1.4rem;background:var(--card);max-width:720px}
.quote cite{color:var(--mut)}

/* gallery */
.g-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.g-item .photo-ph{min-height:240px}
.g-item .ph-img{aspect-ratio:4/3;object-fit:cover}

/* forms */
.form label{display:block;margin-bottom:.9rem;color:var(--mut)}
.form input,.form select,.form textarea{width:100%;padding:.7rem .8rem;margin-top:.3rem;border:1px solid var(--line);background:#FBF9F4;font-family:'IBM Plex Sans';font-size:.95rem;color:var(--ink)}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--amber);border-color:var(--amber)}

/* footer */
.site-foot{background:var(--ink);color:#B9C0C7;margin-top:2rem}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2rem;padding-top:3.2rem;padding-bottom:2.2rem}
.foot-brand{font-size:1.5rem;color:#fff;letter-spacing:.06em}
.foot-h{color:var(--amber);font-size:.72rem;letter-spacing:.18em;margin-bottom:.8rem}
.site-foot a{display:block;padding:.22rem 0;font-size:.9rem;color:#B9C0C7}
.site-foot a:hover{color:var(--amber)}
.foot-base{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;border-top:1px solid var(--line-dark);padding-top:1.1rem;padding-bottom:1.4rem;font-size:.7rem;color:#7C858E}

/* whatsapp */
.wa{position:fixed;right:1.2rem;bottom:1.2rem;width:52px;height:52px;background:#25D366;border-radius:50%;display:grid;place-items:center;font-size:1.5rem;box-shadow:0 6px 18px rgba(0,0,0,.25);z-index:60}

/* reveal animation */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.12s}.d2{transition-delay:.24s}.d3{transition-delay:.36s}

/* responsive */
@media(max-width:900px){
  .stats-grid,.grid3,.g-grid{grid-template-columns:repeat(2,1fr)}
  .split,.why-grid,.two-col{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .logo-strip{grid-template-columns:repeat(3,1fr)}
  .m-head{display:none}
  .m-row{grid-template-columns:1fr}
  .s-row{grid-template-columns:40px 1fr;font-size:.85rem}
  .s-row span:nth-child(3),.s-row span:nth-child(4){grid-column:2}
}
@media(max-width:760px){
  .nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--steel);flex-direction:column;padding:1rem 1.4rem;border-bottom:2px solid var(--amber)}
  .nav.open{display:flex}
  .burger{display:flex}
  .topbar-in{justify-content:flex-start;gap:.9rem}
}