/* =====================================================================
   IEC ENGINEERING — Professional engineering theme (multi-page)
   Restrained · technical · corporate. Light surfaces, navy/steel, red accent.
   ===================================================================== */
:root{
  --navy:#0f2742;          /* brand primary */
  --navy-2:#163556;
  --steel:#2f6db0;
  --accent:#c8102e;        /* engineering red, used sparingly */
  --ink:#16202c;
  --muted:#566476;
  --muted-2:#7e8b9b;
  --bg:#ffffff;
  --bg-soft:#f4f6f9;
  --bg-soft-2:#eef2f7;
  --line:#dde4ec;
  --line-2:#c8d2de;
  --navy-grad:linear-gradient(180deg,#15314f 0%,#0d2138 100%);
  --r-sm:6px; --r-md:10px; --r-lg:16px;
  --sh-sm:0 1px 2px rgba(16,40,68,.06),0 2px 8px rgba(16,40,68,.05);
  --sh-md:0 10px 30px rgba(16,40,68,.10);
  --font-head:"Sora",system-ui,sans-serif;
  --font-body:"Inter",system-ui,sans-serif;
  --maxw:1200px;
  --gut:clamp(18px,4vw,48px);
  --nav-h:78px;
  --ease:cubic-bezier(.22,1,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
*{margin:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}}
body{font-family:var(--font-body);color:var(--ink);background:var(--bg);line-height:1.62;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
ul{list-style:none;padding:0}
:focus-visible{outline:2px solid var(--steel);outline-offset:2px;border-radius:3px}
::selection{background:var(--navy);color:#fff}

h1,h2,h3,h4{font-family:var(--font-head);line-height:1.12;font-weight:700;letter-spacing:-.018em;color:var(--navy)}
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut)}
.section{padding-block:clamp(56px,8vw,104px)}
.section--soft{background:var(--bg-soft)}
.section--navy{background:var(--navy-grad);color:#dce6f1}
.section--navy h1,.section--navy h2,.section--navy h3{color:#fff}

/* ---- shared bits ---- */
.kicker{display:inline-flex;align-items:center;gap:.6em;font-family:var(--font-head);font-size:.72rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--accent)}
.kicker::before{content:"";width:22px;height:2px;background:var(--accent)}
.section--navy .kicker{color:#7fb0e6}
.section--navy .kicker::before{background:#7fb0e6}
.section-head{max-width:720px;margin-bottom:clamp(28px,4vw,52px)}
.section-head.center{margin-inline:auto;text-align:center}
.section-head h2{font-size:clamp(1.7rem,3.6vw,2.55rem);margin:14px 0 14px}
.lead{color:var(--muted);font-size:clamp(1.02rem,1.5vw,1.15rem);max-width:64ch}
.section--navy .lead{color:#aebfd2}
.muted{color:var(--muted)}
.eyebrow-num{font-family:var(--font-head);color:var(--muted-2);font-size:.8rem;font-weight:600}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:.55em;white-space:nowrap;padding:.85em 1.5em;border-radius:var(--r-sm);font-family:var(--font-head);font-weight:600;font-size:.95rem;transition:background .2s,color .2s,transform .2s var(--ease),box-shadow .2s,border-color .2s}
.btn svg{width:1.05em;height:1.05em}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--navy-2);transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#a50d26;transform:translateY(-1px)}
.btn-ghost{border:1px solid var(--line-2);color:var(--navy)}
.btn-ghost:hover{border-color:var(--navy);background:var(--bg-soft)}
.section--navy .btn-ghost{border-color:rgba(255,255,255,.28);color:#fff}
.section--navy .btn-ghost:hover{background:rgba(255,255,255,.08)}
.hero .btn-ghost,.page-hero .btn-ghost{border-color:rgba(255,255,255,.45);color:#fff;background:rgba(255,255,255,.06)}
.hero .btn-ghost:hover,.page-hero .btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.16);color:#fff}
.btn-white{background:#fff;color:var(--navy)}
.btn-white:hover{transform:translateY(-1px);box-shadow:var(--sh-md)}
.txtlink{display:inline-flex;align-items:center;gap:.45em;font-family:var(--font-head);font-weight:600;color:var(--accent)}
.txtlink svg{width:1em;height:1em;transition:transform .2s var(--ease)}
.txtlink:hover svg{transform:translateX(3px)}

/* ---- top utility bar ---- */
.utility{background:var(--navy);color:#bcc9d8;font-size:.78rem}
.utility .container{display:flex;justify-content:space-between;align-items:center;min-height:36px;gap:16px}
.utility a:hover{color:#fff}
.utility .u-left{display:flex;gap:20px;flex-wrap:wrap}
.utility .u-left span{display:inline-flex;align-items:center;gap:7px}
.utility .dot{width:7px;height:7px;border-radius:50%;background:#3fbf78}
.utility .u-right{display:flex;gap:14px;align-items:center}
.lang-switch{display:inline-flex;border:1px solid rgba(255,255,255,.22);border-radius:999px;overflow:hidden}
.lang-switch button{font-family:var(--font-head);font-size:.7rem;font-weight:600;letter-spacing:.05em;padding:4px 10px;color:#9fb2c8;background:transparent;transition:background .2s,color .2s}
.lang-switch button.active{background:#fff;color:var(--navy)}
.lang-switch button:not(.active):hover{color:#fff}

/* ---- header / nav ---- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;min-height:var(--nav-h);gap:18px}
.brand{flex:none}
.brand img{height:50px;width:auto;max-width:none;display:block}
.nav{display:flex;align-items:center;gap:2px}
.nav a{font-family:var(--font-head);font-weight:500;font-size:.92rem;color:var(--ink);padding:9px 14px;border-radius:var(--r-sm);position:relative;transition:color .18s,background .18s}
.nav a:hover{color:var(--navy);background:var(--bg-soft)}
.nav a.active{color:var(--navy)}
.nav a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--accent);border-radius:2px}
.header-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line-2);border-radius:var(--r-sm)}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--navy);margin:4px auto;transition:.25s var(--ease)}
.nav-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---- page hero (interior) ---- */
.page-hero{background:var(--navy-grad);color:#dce6f1;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:46px 46px;mask-image:radial-gradient(circle at 80% 0,#000,transparent 70%)}
.page-hero .container{position:relative;padding-block:clamp(48px,7vw,84px)}
.page-hero h1{color:#fff;font-size:clamp(2rem,4.6vw,3.2rem);margin:14px 0 16px;max-width:18ch}
.page-hero .lead{color:#b7c6d9}
.crumbs{font-size:.82rem;color:#8aa0bb}
.crumbs a:hover{color:#fff}
.crumbs .sep{color:#5f7388;padding:0 6px}

/* ---- home hero ---- */
.hero{background:var(--navy-grad);color:#dce6f1;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(circle at 78% 8%,#000,transparent 72%)}
.hero .container{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(28px,4vw,56px);align-items:center;padding-block:clamp(54px,7vw,96px)}
.hero h1{color:#fff;font-size:clamp(2.2rem,5vw,3.7rem);margin:18px 0 18px}
.hero h1 .accent{color:#fff;border-bottom:4px solid var(--accent);padding-bottom:2px}
.hero .lead{color:#b7c6d9;margin-bottom:26px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:30px}
.hero-facts{display:flex;gap:clamp(16px,3vw,34px);flex-wrap:wrap;padding-top:24px;border-top:1px solid rgba(255,255,255,.14)}
.hero-facts .f b{font-family:var(--font-head);font-size:clamp(1.3rem,2.4vw,1.8rem);color:#fff;display:block;line-height:1.1}
.hero-facts .f span{font-size:.78rem;color:#8aa0bb}
.hero-visual{position:relative}
.spec-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-lg);padding:22px;backdrop-filter:blur(4px)}
.spec-card h4{color:#fff;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:#7fb0e6;margin-bottom:14px}
.spec-row{display:flex;justify-content:space-between;gap:12px;padding:11px 0;border-top:1px dashed rgba(255,255,255,.12);font-size:.92rem}
.spec-row:first-of-type{border-top:0}
.spec-row span{color:#9fb2c8}
.spec-row b{color:#fff;font-family:var(--font-head);font-weight:600}

/* ---- generic grids/cards ---- */
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px);align-items:center}
.split--wide{grid-template-columns:1.1fr .9fr}

.card{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;transition:border-color .2s,box-shadow .2s,transform .2s var(--ease)}
.card:hover{border-color:var(--line-2);box-shadow:var(--sh-md);transform:translateY(-3px)}
.card .ico{width:48px;height:48px;border-radius:var(--r-sm);background:var(--bg-soft-2);color:var(--navy);display:grid;place-items:center;margin-bottom:16px}
.card .ico svg{width:25px;height:25px}
.card h3{font-size:1.16rem;margin-bottom:8px}
.card p{color:var(--muted);font-size:.94rem}
.card .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.card .tags span{font-size:.72rem;color:var(--muted);background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;padding:3px 9px}

/* ---- stat strip ---- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.stats .s{background:var(--bg);padding:26px 22px;text-align:center}
.section--navy .stats{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.14)}
.section--navy .stats .s{background:transparent}
.stats .s b{font-family:var(--font-head);font-weight:700;font-size:clamp(1.7rem,3.4vw,2.4rem);color:var(--navy);display:block;line-height:1}
.section--navy .stats .s b{color:#fff}
.stats .s span{font-size:.86rem;color:var(--muted)}
.section--navy .stats .s span{color:#9fb2c8}

/* ---- standards badges ---- */
.std{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.std .b{border:1px solid var(--line);border-radius:var(--r-md);padding:22px;background:var(--bg)}
.std .b b{font-family:var(--font-head);font-size:1.5rem;color:var(--navy);display:block;margin-bottom:6px}
.std .b span{font-size:.84rem;color:var(--muted)}

/* ---- accordion (products) ---- */
.catalog{display:grid;gap:14px}
.cat-group{margin-bottom:8px}
.cat-group > h2{font-size:1.05rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-2);font-weight:600;margin:26px 0 10px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.acc{border:1px solid var(--line);border-radius:var(--r-md);background:var(--bg);overflow:hidden;transition:border-color .2s,box-shadow .2s}
.acc + .acc{margin-top:10px}
.acc.open{border-color:var(--line-2);box-shadow:var(--sh-sm)}
.acc-head{width:100%;display:flex;align-items:center;gap:16px;padding:18px 22px;text-align:left}
.acc-head:hover{background:var(--bg-soft)}
.acc-head .idx{font-family:var(--font-head);font-size:.8rem;font-weight:700;color:var(--accent);min-width:26px}
.acc-head .ttl{flex:1;font-family:var(--font-head);font-weight:600;font-size:1.08rem;color:var(--navy)}
.acc-head .cnt{font-size:.78rem;color:var(--muted-2);background:var(--bg-soft-2);border-radius:999px;padding:3px 10px}
.acc-head .chev{width:22px;height:22px;color:var(--muted);transition:transform .25s var(--ease);flex:none}
.acc.open .acc-head .chev{transform:rotate(180deg);color:var(--navy)}
.acc-body{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s var(--ease)}
.acc.open .acc-body{grid-template-rows:1fr}
.acc-body > div{overflow:hidden}
.acc-items{padding:4px 22px 22px;columns:2;column-gap:34px}
.acc-items li{break-inside:avoid;display:flex;gap:10px;align-items:flex-start;padding:7px 0;color:var(--ink);font-size:.94rem;border-top:1px solid var(--line)}
.acc-items li::before{content:"";width:6px;height:6px;border-radius:1px;background:var(--accent);margin-top:8px;flex:none}
.acc-sub{margin:2px 0 6px}
.acc-sub > summary{cursor:pointer;list-style:none;font-family:var(--font-head);font-weight:600;color:var(--navy);padding:10px 0;display:flex;align-items:center;gap:8px;border-top:1px solid var(--line)}
.acc-sub > summary::-webkit-details-marker{display:none}
.acc-sub > summary::before{content:"+";color:var(--accent);font-weight:700;width:14px}
.acc-sub[open] > summary::before{content:"–"}

/* ---- timeline / process ---- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.step{border:1px solid var(--line);border-radius:var(--r-md);padding:22px;background:var(--bg)}
.step .n{font-family:var(--font-head);font-weight:700;color:var(--accent);font-size:.82rem}
.step .si{width:40px;height:40px;color:var(--navy);margin:12px 0}
.step h4{font-size:1rem;margin-bottom:6px}
.step p{font-size:.86rem;color:var(--muted)}

/* ---- info list ---- */
.checklist{display:grid;gap:13px;margin-top:8px}
.checklist li{display:flex;gap:12px;align-items:flex-start;color:var(--muted)}
.checklist svg{width:20px;height:20px;color:var(--accent);flex:none;margin-top:2px}
.checklist b{color:var(--ink)}
.section--navy .checklist li{color:#aebfd2}
.section--navy .checklist b{color:#fff}
.section--navy .checklist svg{color:#7fb0e6}

/* ---- callout ---- */
.callout{border:1px solid var(--line);border-left:3px solid var(--accent);background:var(--bg-soft);border-radius:var(--r-md);padding:18px 22px;color:var(--muted);font-size:.92rem}
.note{font-size:.8rem;color:var(--muted-2)}
.note-box{border:1px dashed var(--line-2);border-radius:var(--r-md);padding:14px 18px;background:#fffaf0;color:#7a5b1e;font-size:.85rem}

/* ---- contact ---- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,5vw,56px)}
.ci{display:flex;gap:14px;align-items:flex-start;padding:16px 0;border-top:1px solid var(--line)}
.ci:first-child{border-top:0}
.ci .ico{width:44px;height:44px;border-radius:var(--r-sm);background:var(--bg-soft-2);color:var(--navy);display:grid;place-items:center;flex:none}
.ci .ico svg{width:21px;height:21px}
.ci small{display:block;font-size:.74rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted-2);margin-bottom:3px}
.ci b{font-family:var(--font-head);font-weight:600;color:var(--navy)}
.ci a:hover{color:var(--accent)}
.form{border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(22px,3vw,34px);background:var(--bg);box-shadow:var(--sh-sm)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:14px}
.field label{display:block;font-size:.8rem;font-weight:600;color:var(--ink);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;background:var(--bg);border:1px solid var(--line-2);border-radius:var(--r-sm);padding:11px 13px;font:inherit;font-size:.94rem;color:var(--ink);transition:border-color .2s,box-shadow .2s}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--steel);box-shadow:0 0 0 3px rgba(47,109,176,.14)}
.form .btn{width:100%;justify-content:center}
.form-success{display:none;margin-top:14px;padding:14px;border-radius:var(--r-sm);background:#e9f7ef;border:1px solid #b7e3c9;color:#1f7a45;font-size:.9rem;text-align:center}
.form-error{display:none;margin-top:14px;padding:14px;border-radius:var(--r-sm);background:#fdecec;border:1px solid #f3b7b7;color:#b3261e;font-size:.9rem;text-align:center}

/* ---- footer ---- */
.footer{background:var(--navy-grad);color:#aebfd2;padding-top:clamp(48px,6vw,76px)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:34px;padding-bottom:42px}
.footer img{height:44px;margin-bottom:16px}
.footer .about{font-size:.9rem;max-width:34ch;color:#9fb2c8}
.footer h5{font-family:var(--font-head);font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:#7f93ab;margin-bottom:14px}
.footer ul{display:grid;gap:9px}
.footer a{color:#aebfd2;font-size:.9rem}
.footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-block:20px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:.82rem;color:#8297b0}

/* ---- clients (manufacturer references) ---- */
.attrib{display:flex;gap:14px;align-items:flex-start;border:1px solid var(--line-2);border-left:3px solid var(--accent);background:var(--bg);border-radius:var(--r-md);padding:18px 22px;margin-bottom:28px}
.attrib svg{width:24px;height:24px;color:var(--accent);flex:none;margin-top:2px}
.attrib p{font-size:.92rem;color:var(--muted);margin:0}
.attrib b{color:var(--navy)}
.client-block{margin-top:24px}
.client-block h4{font-family:var(--font-head);font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2);margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.client-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(165px,1fr));gap:12px}
.client{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;min-height:70px;padding:14px 12px;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-md);font-family:var(--font-head);font-weight:600;color:var(--navy);font-size:1rem;transition:border-color .2s,box-shadow .2s,transform .2s var(--ease)}
.client:hover{border-color:var(--line-2);box-shadow:var(--sh-sm);transform:translateY(-2px)}
.client small{font-weight:500;color:var(--muted-2);margin-top:4px;font-size:.7rem;letter-spacing:.02em}

/* ---- photos: hero background ---- */
.hero.has-bg,.page-hero.has-bg{background:#0b1929}
.hero .bgimg,.page-hero .bgimg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:0}
.hero .bgimg::after,.page-hero .bgimg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(9,21,35,.95) 0%,rgba(9,21,35,.86) 42%,rgba(9,21,35,.55) 100%)}
.hero.has-bg .container,.page-hero.has-bg .container{position:relative;z-index:2}
.page-hero.has-bg{padding-block:0}

/* ---- media figure ---- */
.media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-sm);position:relative;background:var(--bg-soft)}
.media img{width:100%;height:100%;object-fit:cover;display:block}
.media.ratio{aspect-ratio:4/3}
.media.ratio-wide{aspect-ratio:16/9}
.media figcaption{position:absolute;left:0;right:0;bottom:0;padding:14px 16px;color:#fff;font-size:.82rem;
  background:linear-gradient(0deg,rgba(9,21,35,.85),transparent)}
.section--navy .media{border-color:rgba(255,255,255,.16)}

/* ---- selected work band ---- */
.workband{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.workband a{position:relative;display:block;aspect-ratio:1/1;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line)}
.workband img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.workband a:hover img{transform:scale(1.06)}
.workband a span{position:absolute;left:0;right:0;bottom:0;padding:18px 12px 10px;color:#fff;font-size:.76rem;font-weight:600;font-family:var(--font-head);background:linear-gradient(0deg,rgba(9,21,35,.85),transparent)}

/* ---- gallery ---- */
.gallery{columns:3;column-gap:14px}
.gfig{break-inside:avoid;margin:0 0 14px;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);background:var(--bg);cursor:zoom-in;position:relative;display:block}
.gfig img{width:100%;display:block;transition:transform .4s var(--ease)}
.gfig:hover img{transform:scale(1.04)}
.gfig figcaption{padding:12px 14px;font-size:.84rem;color:var(--muted)}
.gfig figcaption b{display:block;color:var(--navy);font-family:var(--font-head);font-weight:600;margin-bottom:2px}
.gcat{font-family:var(--font-head);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);position:absolute;top:10px;left:10px;background:rgba(9,21,35,.78);color:#fff;padding:4px 9px;border-radius:999px}

/* ---- lightbox ---- */
.lb{position:fixed;inset:0;z-index:200;background:rgba(6,12,20,.94);display:none;align-items:center;justify-content:center;padding:30px}
.lb.open{display:flex}
.lb img{max-width:92vw;max-height:82vh;border-radius:8px;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.lb .cap{position:absolute;bottom:22px;left:0;right:0;text-align:center;color:#dce6f1;font-size:.92rem;padding:0 20px}
.lb .x,.lb .nav-btn{position:absolute;top:20px;right:24px;width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.1);color:#fff;display:grid;place-items:center;font-size:1.4rem;border:1px solid rgba(255,255,255,.2)}
.lb .nav-btn{top:50%;transform:translateY(-50%);font-size:1.8rem}
.lb .prev{left:24px;right:auto}.lb .next{right:24px}
.lb .x:hover,.lb .nav-btn:hover{background:rgba(255,255,255,.2)}

/* ---- reveal ---- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.07s}.reveal[data-d="2"]{transition-delay:.14s}.reveal[data-d="3"]{transition-delay:.21s}

/* ---- responsive ---- */
@media (max-width:1024px){
  .grid-4,.std,.steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .gallery{columns:2}
  .workband{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1100px){
  .nav{display:none}
  .nav-toggle{display:block}
  .site-header.open .nav{display:flex;flex-direction:column;align-items:stretch;position:absolute;top:var(--nav-h);left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:14px var(--gut);gap:2px}
  .hero .container,.split,.split--wide,.contact-grid{grid-template-columns:1fr}
  .hero-visual{order:-1}
  .grid-3{grid-template-columns:1fr 1fr}
}
@media (max-width:600px){
  :root{--gut:16px}
  .grid-2,.grid-3,.grid-4,.std,.steps,.stats{grid-template-columns:1fr}
  .stats{display:grid}
  .acc-items{columns:1}
  .gallery{columns:1}
  .workband{grid-template-columns:1fr 1fr}
  .form-row{grid-template-columns:1fr}
  .utility .u-left span:not(:first-child){display:none}
  .footer-grid{grid-template-columns:1fr}
}


/* ---------- Reference list (references.html) ---------- */
.ref-tools{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin:6px 0 18px}
.ref-search{display:flex;align-items:center;gap:10px;flex:1 1 320px;max-width:520px;background:#fff;border:1px solid #d9dee6;border-radius:8px;padding:10px 14px;color:#6b7684;cursor:text}
.ref-search svg{width:18px;height:18px;flex:none}
.ref-search input{border:0;outline:0;background:transparent;font:inherit;font-size:.95rem;color:#0f2742;width:100%}
.ref-search:focus-within{border-color:#0f2742;box-shadow:0 0 0 3px rgba(15,39,66,.08)}
.ref-count{font-size:.9rem;color:#6b7684}
.ref-count b{color:#0f2742;font-weight:700}
.ref-noresult{padding:18px;border:1px dashed #d9dee6;border-radius:8px;color:#6b7684;text-align:center}
.ref-group{margin-top:26px}
.ref-h{display:flex;align-items:center;gap:10px;font-size:1.05rem;margin:0 0 10px;color:#0f2742}
.ref-badge{display:inline-block;font-size:.72rem;font-weight:700;background:#eef2f7;color:#0f2742;border-radius:999px;padding:3px 9px;letter-spacing:.02em}
.ref-table-wrap{overflow:auto;max-height:560px;border:1px solid #e3e8ef;border-radius:10px;background:#fff}
.ref-table{width:100%;border-collapse:separate;border-spacing:0;font-size:.88rem;min-width:760px}
.ref-table thead th{position:sticky;top:0;z-index:1;background:#0f2742;color:#fff;text-align:left;font-weight:600;font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;padding:11px 14px;white-space:nowrap}
.ref-table td{padding:10px 14px;border-top:1px solid #edf1f5;vertical-align:top;color:#1f2a37;line-height:1.45}
.ref-table tbody tr:nth-child(even) td{background:#fafbfd}
.ref-table tbody tr:hover td{background:#f1f5fa}
.ref-table .ref-yr{font-variant-numeric:tabular-nums;font-weight:600;color:#0f2742;white-space:nowrap;width:64px}
.ref-table .ref-cl{font-weight:600;color:#0f2742;min-width:190px}
.ref-table .ref-co{white-space:nowrap;color:#4b5563;width:120px}
.ref-table .ref-eq{min-width:300px}
.ref-table .ref-qt{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap;width:56px}
.ref-dash{color:#a3adba}
.ref-group[hidden],.ref-table tr[hidden],.ref-noresult[hidden]{display:none!important}
@media (max-width:640px){.ref-table{font-size:.82rem}.ref-table td,.ref-table thead th{padding:9px 10px}}

/* ArcelorMittal engagement item (references.html) */
.am-item{display:flex;flex-direction:column;gap:6px;margin-top:10px;padding:16px 18px;border:1px solid #e3e8ef;border-left:4px solid var(--accent);border-radius:10px;background:#fff}
.am-item b{color:#0f2742;font-size:1.02rem;line-height:1.4}
.am-item small{color:#6b7684;font-size:.86rem;line-height:1.5}
.am-link{color:var(--accent);font-weight:600;text-decoration:none}
.am-link:hover{text-decoration:underline}

/* lightbox caption keeps title/description on separate lines */
.lb .cap b{display:block;margin-bottom:4px}