/* TECS Engineering website */
:root{
  --navy:#0f3a66;        /* buttons, footer, headings */
  --navy-2:#1a5a94;      /* contact gradient */
  --navy-3:#0b2540;
  --blue:#20a6d2;        /* TECS logo blue: eyebrows, icons, links */
  --red:#e30613;         /* TECS logo red: small accents only */
  --ink:#1f2933;
  --text:#3a4652;
  --muted:#6b7a88;
  --line:#e3e8ed;
  --grey:#f4f6f8;
  --white:#fff;
  --wrap:1240px;
  --radius:10px;
  --shadow:0 10px 30px rgba(15,58,102,.10);
  --font:"IBM Plex Sans",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.65 var(--font);color:var(--text);background:var(--white)}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{color:var(--ink);line-height:1.15;margin:0 0 16px;font-weight:600;letter-spacing:-.01em}
h1{font-size:clamp(36px,4.7vw,64px);font-weight:700}
h2{font-size:clamp(28px,3vw,40px)}
h3{font-size:20px}
p{margin:0 0 16px}
button{font:inherit;cursor:pointer}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.narrow{max-width:800px}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:10px}
.skip:focus{left:10px;z-index:1000}
.eyebrow{font-size:12px;letter-spacing:.2em;text-transform:uppercase;font-weight:600;color:var(--blue);margin:0 0 14px}
.eyebrow::before{content:"";display:inline-block;width:22px;height:2px;background:var(--red);vertical-align:middle;margin-right:10px}
.center{text-align:center}
.lead{font-size:18px;line-height:1.7}
.lead-text{font-size:17px;line-height:1.75}

/* buttons */
.btn{display:inline-block;padding:13px 26px;border-radius:3px;font-size:14px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;border:1px solid transparent;transition:background .2s,color .2s,border-color .2s;margin:4px 8px 4px 0}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--navy-2)}
.btn-outline{border-color:var(--navy);color:var(--navy);background:transparent}
.btn-outline:hover{background:var(--navy);color:#fff}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{background:var(--blue);color:#fff}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 1px 0 var(--line);transition:background .3s,box-shadow .3s}
.header-inner{height:88px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:block;width:150px}
.logo{width:150px;height:72px;object-fit:contain}
.logo-light{display:none}
.main-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:34px}
.main-nav li{position:relative}
.main-nav a{display:block;padding:32px 0;font-size:14px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--ink);border-bottom:2px solid transparent;transition:color .2s}
.main-nav a:hover,.main-nav a[aria-current=page]{color:var(--blue)}
.main-nav a[aria-current=page]{border-bottom-color:var(--blue)}
.caret{display:inline-block;width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);margin:0 0 3px 4px}
.sub{position:absolute;left:50%;top:100%;transform:translateX(-50%) translateY(8px);opacity:0;visibility:hidden;transition:opacity .2s,transform .2s,visibility .2s;padding-top:0}
.has-sub:hover .sub,.has-sub:focus-within .sub{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.sub-inner{background:#fff;box-shadow:0 20px 50px rgba(15,58,102,.18);border-top:3px solid var(--blue);display:grid;grid-template-columns:repeat(3,250px);gap:4px;padding:16px}
.sub-inner a{display:flex;gap:12px;align-items:center;padding:10px;border:0;text-transform:none;letter-spacing:0;border-radius:6px}
.sub-inner a:hover{background:var(--grey)}
.sub-inner img{width:64px;height:48px;object-fit:cover;border-radius:4px;background:#000}
.sub-inner b{display:block;font-size:14px;color:var(--ink)}
.sub-inner small{display:block;font-size:12px;color:var(--muted)}
.header-actions{display:flex;align-items:center;gap:12px}
.header-actions .btn{margin:0}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:3px;background:var(--navy);color:#fff}
.icon-btn:hover{background:var(--blue)}
.burger{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:4px;padding:10px;flex-direction:column;justify-content:space-between}
.burger span{display:block;height:2px;background:var(--ink)}
/* transparent header over the home hero */
body.has-hero .site-header{position:fixed;left:0;right:0}
.site-header.is-transparent:not(.is-scrolled){background:transparent;box-shadow:none}
.site-header.is-transparent:not(.is-scrolled) .main-nav a{color:#fff}
.site-header.is-transparent:not(.is-scrolled) .main-nav a:hover,.site-header.is-transparent:not(.is-scrolled) .main-nav a[aria-current=page]{color:#9fdcf0;border-bottom-color:#9fdcf0}
.site-header.is-transparent:not(.is-scrolled) .logo-dark{display:none}
.site-header.is-transparent:not(.is-scrolled) .logo-light{display:block}
.site-header.is-transparent:not(.is-scrolled) .icon-btn{background:rgba(255,255,255,.14)}
.site-header.is-transparent:not(.is-scrolled) .burger{background:transparent;border-color:rgba(255,255,255,.4)}
.site-header.is-transparent:not(.is-scrolled) .burger span{background:#fff}

/* hero */
.hero{position:relative;min-height:clamp(640px,100vh,900px);min-height:clamp(640px,100svh,900px);background:var(--navy-3);color:#fff;overflow:hidden}
.slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity .9s ease;display:flex;align-items:center}
.slide::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,20,36,.88) 0%,rgba(6,20,36,.62) 45%,rgba(6,20,36,.25) 100%)}
.slide::after{content:"";position:absolute;left:0;right:0;bottom:0;height:260px;background:linear-gradient(180deg,transparent,rgba(6,20,36,.85))}
.slide.is-active{opacity:1;z-index:1}
.slide-inner{position:relative;z-index:2;max-width:var(--wrap);width:100%;padding:150px 24px 230px}
.slide h1{color:#fff;max-width:760px;margin-bottom:22px}
.slide .lead{max-width:600px;color:rgba(248,246,240,.86);margin-bottom:30px}
.slide .eyebrow{color:#7fd3ea}
.slide .eyebrow::before{background:var(--red)}
.hero-controls{position:absolute;left:0;right:0;bottom:150px;z-index:3;display:flex;gap:10px}
.hero-controls button{width:44px;height:44px;border:1px solid rgba(255,255,255,.45);background:rgba(255,255,255,.08);color:#fff;border-radius:3px;display:inline-flex;align-items:center;justify-content:center}
.hero-controls button:hover{background:rgba(255,255,255,.2)}
.hero-tabs{position:absolute;left:0;right:0;bottom:0;z-index:3;display:grid;grid-template-columns:repeat(5,1fr);gap:0;padding-bottom:0}
.hero-tab{background:transparent;color:#fff;border:0;border-top:2px solid rgba(255,255,255,.25);padding:22px 18px 30px;text-align:left;font-size:14px;font-weight:600;line-height:1.3;transition:border-color .2s,background .2s}
.hero-tab small{display:block;font-size:11px;letter-spacing:.2em;color:rgba(255,255,255,.6);margin-bottom:8px;font-weight:500}
.hero-tab:hover{background:rgba(255,255,255,.06)}
.hero-tab.is-active{border-top-color:var(--blue)}
.hero-tab.is-active small{color:#7fd3ea}

/* sections */
.section{padding:90px 0}
.section-grey{background:var(--grey)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:40px}
.section-head h2{margin-bottom:0}
.section-head .eyebrow{margin-bottom:10px}
.section-head .btn{margin:0}
.head-note{max-width:420px;color:var(--muted);margin:0}
.subhead{font-size:17px;font-weight:600;color:var(--ink)}
.about-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:stretch}
.about-photo{margin:0;border-radius:var(--radius);overflow:hidden;min-height:520px}
.about-photo img{width:100%;height:100%;object-fit:cover;object-position:50% 85%}
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:30px 0 34px}
.feature-grid.three{grid-template-columns:repeat(3,1fr)}
.feature-grid article{border:1px solid var(--line);border-radius:8px;padding:24px;background:#fff;transition:box-shadow .25s,transform .25s}
.feature-grid article:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.feature-grid h3{font-size:17px;margin:14px 0 8px}
.feature-grid p{font-size:14.5px;line-height:1.7;color:var(--text);margin:0}
.ficon{display:inline-flex;width:40px;height:40px;color:var(--blue)}
.ficon svg{width:40px;height:40px}

/* product cards + carousel */
.carousel-nav{display:flex;gap:8px}
.carousel-nav button{width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:3px;display:inline-flex;align-items:center;justify-content:center;color:var(--navy)}
.carousel-nav button:hover{background:var(--navy);color:#fff;border-color:var(--navy)}
.carousel{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 72px)/4);gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding-bottom:8px}
.carousel::-webkit-scrollbar{display:none}
.carousel>*{scroll-snap-align:start}
.product-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:box-shadow .3s,transform .3s}
.product-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.product-card-img{aspect-ratio:4/3;background:var(--grey);display:flex;align-items:center;justify-content:center;overflow:hidden}
.product-card-img.is-dark{background:radial-gradient(ellipse at center,#2b3a48 0%,#0a0f14 75%)}
.product-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.product-card:hover .product-card-img img{transform:scale(1.04)}
.product-card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.product-card-body h3{font-size:18px;margin-bottom:10px}
.product-card-body p{font-size:14px;color:var(--muted);line-height:1.7}
.product-card-body .eyebrow{font-size:11px;margin-bottom:8px}
.more{margin-top:auto;font-size:13px;font-weight:600;color:var(--navy);display:inline-flex;align-items:center;gap:6px}
.product-card:hover .more{color:var(--blue)}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.product-card.is-hidden{display:none}
.filter-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:32px}
.filter-chips button{border:1px solid var(--line);background:#fff;padding:8px 16px;border-radius:3px;font-size:14px;color:var(--ink)}
.filter-chips button.is-active{background:var(--navy);color:#fff;border-color:var(--navy)}
.chip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.chip-grid article{background:#fff;border:1px solid var(--line);border-radius:8px;padding:22px}
.chip-grid h3{font-size:16px;margin-bottom:8px}
.chip-grid p{font-size:14px;color:var(--muted);margin:0;line-height:1.65}

/* applications tiles */
.apps-section{background:var(--grey)}
.apps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.app-tile{position:relative;aspect-ratio:16/10;border-radius:var(--radius);overflow:hidden;background-size:cover;background-position:center;display:flex;align-items:flex-end;transition:transform .3s}
.app-tile::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,20,36,0) 35%,rgba(6,20,36,.85));transition:opacity .3s}
.app-tile span{position:relative;color:#fff;font-weight:600;font-size:20px;padding:22px 24px}
.app-tile:hover{transform:translateY(-4px)}
.app-tile:hover::before{opacity:.85}

/* photo grid */
.photo-grid{display:grid;gap:22px}
.photo-grid.three{grid-template-columns:repeat(3,1fr)}
.photo-grid figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.photo-grid a{display:block;cursor:zoom-in;aspect-ratio:4/3;overflow:hidden}
.photo-grid img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.photo-grid a:hover img{transform:scale(1.04)}
.photo-grid figcaption{padding:14px 18px;font-size:14px}
.photo-grid figcaption b{display:block;color:var(--ink);margin-bottom:4px}
.photo-grid figcaption span{color:var(--muted);font-size:13px;line-height:1.6}

/* page banner (inner pages) */
.page-banner{position:relative;min-height:420px;display:flex;align-items:flex-end;background-size:cover;background-position:center;color:#fff}
.page-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,20,36,.35),rgba(6,20,36,.85))}
.page-banner .wrap{position:relative;width:100%;padding-bottom:40px;padding-top:140px}
.page-banner h1{color:#fff;font-size:clamp(34px,4vw,54px);margin:0}
.breadcrumb{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:rgba(255,255,255,.7);margin-bottom:12px}
.breadcrumb a:hover{color:#fff}
.breadcrumb span{margin:0 6px}

/* text layouts */
.text-cols{display:grid;grid-template-columns:1.2fr .8fr;gap:60px;align-items:start}
.text-cols p{line-height:1.8}
.side-photo{margin:0;border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line)}
.side-photo figcaption{padding:12px 16px;font-size:13px;color:var(--muted)}
.plain-list{padding-left:20px;line-height:1.9;columns:2;column-gap:40px}
.group-logos{display:grid;gap:30px;align-content:center;justify-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:40px}
.group-logos img{max-width:220px}
.company-list{display:grid;gap:24px;margin-top:30px}
.company{display:grid;grid-template-columns:1fr 1fr;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.company:nth-child(even) figure{order:2}
.company figure{margin:0;min-height:320px}
.company figure img{width:100%;height:100%;object-fit:cover}
.company>div{padding:40px}
.company p{line-height:1.8}
.company .addr{font-size:14px;color:var(--muted)}
.company .btn{margin-top:6px}
.mission-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.mission-grid article{border-left:3px solid var(--blue);padding:10px 0 10px 28px}
.mission-grid h3{font-size:22px;font-weight:500;line-height:1.45}

/* product detail */
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.detail-grid h2{font-size:clamp(26px,2.6vw,36px)}
.check-list{list-style:none;padding:0;margin:0 0 30px}
.check-list li{position:relative;padding:8px 0 8px 32px;line-height:1.65;border-bottom:1px solid var(--line)}
.check-list li::before{content:"";position:absolute;left:0;top:15px;width:18px;height:18px;border-radius:50%;background:var(--blue);mask:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="none" stroke="black" stroke-width="3" d="M5 12l5 5L20 7"/></svg>') center/14px no-repeat;-webkit-mask:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path fill="none" stroke="black" stroke-width="3" d="M5 12l5 5L20 7"/></svg>') center/14px no-repeat}
.detail-gallery{display:grid;gap:12px}
.detail-main a,.detail-thumbs a{display:block;border-radius:var(--radius);overflow:hidden;cursor:zoom-in;background:#000}
.detail-main img{width:100%;aspect-ratio:4/3;object-fit:cover}
.detail-thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.detail-thumbs img{width:100%;aspect-ratio:4/3;object-fit:cover}
.spec-band{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 100%);color:#fff;padding:70px 0}
.spec-band h2{color:#fff}
.spec-list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px 40px;margin:0 0 30px}
.spec-list div{border-top:1px solid rgba(255,255,255,.25);padding-top:14px}
.spec-list dt{font-size:12px;letter-spacing:.15em;text-transform:uppercase;color:#9fdcf0;margin-bottom:6px}
.spec-list dd{margin:0;font-size:16px}

/* engineering */
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.steps-grid article{border:1px solid var(--line);border-radius:8px;padding:28px;background:#fff}
.steps-grid b,.process-row b{font-size:13px;color:var(--blue);letter-spacing:.15em}
.steps-grid h3{margin:12px 0 10px;font-size:19px}
.steps-grid p{font-size:14.5px;line-height:1.75;margin:0}
.process-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px;padding-top:30px;border-top:1px solid #d7dee5}
.process-row h3{margin:8px 0 6px;font-size:18px}
.process-row p{font-size:14px;color:var(--muted);margin:0}

/* applications stories */
.story{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;padding:40px 0;border-bottom:1px solid var(--line)}
.story:last-child{border-bottom:0}
.story.is-flipped figure{order:2}
.story figure{margin:0;border-radius:var(--radius);overflow:hidden;aspect-ratio:3/2}
.story img{width:100%;height:100%;object-fit:cover}
.story p{line-height:1.8}

/* contact block (every page) */
.contact-block{background:linear-gradient(120deg,var(--navy-3) 0%,var(--navy) 55%,var(--navy-2) 100%);color:#fff;position:relative;overflow:hidden}
.contact-block::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 20%,rgba(32,166,210,.25),transparent 45%),radial-gradient(circle at 70% 90%,rgba(32,166,210,.15),transparent 40%)}
.contact-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;min-height:620px}
.contact-form-wrap{padding:70px 60px 70px calc((100vw - var(--wrap))/2 + 24px);max-width:calc((100vw - var(--wrap))/2 + 640px)}
.contact-block h2{color:#fff;font-size:34px}
.contact-lead{color:rgba(255,255,255,.75);font-size:15px;max-width:480px;margin-bottom:28px}
.contact-form label{display:block;margin-bottom:22px}
.contact-form label>span{display:block;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.7);margin-bottom:4px}
.contact-form input,.contact-form textarea{width:100%;background:transparent;border:0;border-bottom:1px solid rgba(255,255,255,.4);color:#fff;padding:8px 0;font:inherit;outline:0;transition:border-color .2s}
.contact-form input:focus,.contact-form textarea:focus{border-bottom-color:#9fdcf0}
.contact-form textarea{resize:vertical;min-height:70px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.contact-form .check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:rgba(255,255,255,.8)}
.contact-form .check input{width:auto;margin-top:4px}
.contact-form .check a{text-decoration:underline;color:#fff}
.form-note{font-size:13px;color:#9fdcf0;margin-top:12px;min-height:1em}
.contact-photo{position:relative}
.contact-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 80%}
.contact-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:60px}
.contact-cards a{display:flex;flex-direction:column;gap:6px;border:1px solid var(--line);border-radius:8px;padding:24px;transition:box-shadow .25s}
.contact-cards a:hover{box-shadow:var(--shadow)}
.contact-cards b{color:var(--ink);margin-top:8px}
.contact-cards span:last-child{font-size:14px;color:var(--muted)}
.cicon{color:var(--blue)}
.group-contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.group-contact-grid article{background:var(--grey);border-radius:8px;padding:22px}
.group-contact-grid h3{font-size:16px;margin-bottom:8px}
.group-contact-grid p{font-size:14px;color:var(--muted);margin-bottom:8px;line-height:1.6}
.group-contact-grid a{color:var(--navy);font-weight:600;font-size:14px}

/* footer */
.site-footer{background:var(--navy);color:#fff}
.footer-grid{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:40px;padding-top:60px;padding-bottom:50px}
.footer-nav{display:grid;gap:10px;align-content:start}
.footer-nav a{font-size:15px;letter-spacing:.08em;text-transform:uppercase}
.footer-nav a:hover,.footer-legal a:hover,.footer-brand a:hover{color:#9fdcf0}
.footer-legal{display:grid;gap:10px;align-content:start;font-size:13px;text-transform:uppercase;letter-spacing:.06em}
.footer-brand{display:grid;justify-items:end;text-align:right;gap:10px;font-size:14px}
.footer-brand img{width:150px;margin-bottom:10px}
.footer-brand address{font-style:normal;max-width:360px}
.footer-brand .icon-btn{background:rgba(255,255,255,.12)}
.footer-bar{border-top:1px solid rgba(255,255,255,.15);font-size:12px;color:rgba(255,255,255,.7)}
.footer-bar .wrap{display:flex;justify-content:space-between;padding-top:18px;padding-bottom:18px}

/* lightbox */
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(5,14,24,.92);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px}
.lightbox[hidden]{display:none}
.lightbox img{max-width:min(1200px,100%);max-height:80vh;object-fit:contain;border-radius:6px}
.lightbox p{color:#fff;margin-top:14px;font-size:14px;max-width:800px;text-align:center}
.lightbox-close{position:absolute;top:18px;right:22px;background:#fff;border:0;width:42px;height:42px;border-radius:50%;font-size:24px;line-height:1}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}.reveal{opacity:1;transform:none}}

/* responsive */
@media(max-width:1100px){
  .main-nav ul{gap:22px}
  .carousel{grid-auto-columns:calc((100% - 48px)/3)}
  .product-grid,.steps-grid,.photo-grid.three,.apps-grid{grid-template-columns:repeat(2,1fr)}
  .chip-grid,.contact-cards,.group-contact-grid,.spec-list{grid-template-columns:repeat(2,1fr)}
  .process-row{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .burger{display:flex}
  .main-nav{display:none;position:absolute;left:0;right:0;top:88px;background:#fff;box-shadow:0 20px 40px rgba(0,0,0,.15);padding:10px 24px 20px}
  .main-nav.is-open{display:block}
  .main-nav ul{flex-direction:column;gap:0}
  .main-nav a{padding:14px 0;color:var(--ink)!important;border-bottom:1px solid var(--line)!important}
  .sub{position:static;transform:none;opacity:1;visibility:visible}
  .sub-inner{grid-template-columns:1fr;box-shadow:none;border:0;padding:0 0 8px 12px}
  .header-actions .btn{display:none}
  .site-header.is-transparent:not(.is-scrolled) .main-nav{background:#fff}
  .hero{min-height:720px}
  .slide-inner{padding:140px 24px 260px}
  .hero-controls{bottom:200px}
  .hero-tabs{grid-template-columns:repeat(5,1fr)}
  .hero-tab{font-size:11px;padding:14px 8px 20px}
  .about-grid,.text-cols,.detail-grid,.story,.company,.mission-grid,.contact-grid{grid-template-columns:1fr}
  .company:nth-child(even) figure,.story.is-flipped figure{order:0}
  .about-photo{min-height:320px}
  .contact-form-wrap{padding:60px 24px;max-width:none}
  .contact-photo{min-height:320px}
  .footer-grid{grid-template-columns:1fr}
  .footer-brand{justify-items:start;text-align:left}
  .section{padding:60px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px}
  .plain-list{columns:1}
  .carousel{grid-auto-columns:calc((100% - 24px)/2)}
}
@media(max-width:600px){
  .carousel{grid-auto-columns:85%}
  .product-grid,.steps-grid,.photo-grid.three,.apps-grid,.chip-grid,.contact-cards,.group-contact-grid,.spec-list,.process-row,.feature-grid,.feature-grid.three,.row2,.detail-thumbs{grid-template-columns:1fr}
  .hero-tabs{grid-template-columns:1fr 1fr 1fr}
  .hero-tab:nth-child(n+4){display:none}
  .page-banner{min-height:300px}
  .footer-bar .wrap{flex-direction:column;gap:6px}
}

/* --- v2: cut-out products, engineering visuals, image protection --- */
.product-card-img{background:radial-gradient(ellipse at 50% 60%,#ffffff 0%,#eef2f5 60%,#e3e9ee 100%);padding:14px}
.product-card-img img{object-fit:contain}
.sub-inner img{background:#eef2f5;object-fit:contain}
.slide.is-cut{background:radial-gradient(ellipse at 72% 50%,#2a4a6e 0%,#10294a 45%,#061424 100%)}
.slide.is-cut::before{background:linear-gradient(90deg,rgba(6,20,36,.75) 0%,rgba(6,20,36,.35) 45%,rgba(6,20,36,0) 70%)}
.slide-cut{position:absolute;right:5%;top:120px;bottom:160px;width:48%;height:auto;max-height:calc(100% - 280px);object-fit:contain;object-position:center;filter:drop-shadow(0 30px 40px rgba(0,0,0,.55));z-index:1}
.detail-gallery.is-light .detail-main a,.detail-gallery.is-light .detail-thumbs a{background:radial-gradient(ellipse at 50% 60%,#fff 0%,#eef2f5 60%,#e3e9ee 100%)}
.detail-gallery.is-light img{object-fit:contain;padding:16px}
.logo-figure{display:flex;align-items:center;justify-content:center;background:#fff;padding:50px}
.logo-figure img{width:70%;height:auto;object-fit:contain}
.group-logos img{max-width:300px}
.visual-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:40px 0 10px}
.visual-grid figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.visual-grid a{display:block;cursor:zoom-in}
.visual-grid img{width:100%;height:300px;object-fit:cover;object-position:left top;background:#fff}
.visual-grid figcaption{padding:12px 16px;font-size:13.5px;color:var(--ink);font-weight:500}
.fig-note{font-size:13px;color:var(--muted);margin-bottom:10px}
.software-band{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:center;background:var(--grey);border-radius:var(--radius);padding:36px 40px;margin-bottom:40px}
.software-band h3{font-size:22px}
.software-band p{line-height:1.75;margin:0}
.software-band figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:8px;padding:12px}
.software-band img{width:100%}
.software-band figcaption{font-size:12.5px;color:var(--muted);padding:8px 4px 0}
/* image protection: no drag, no selection, no context menu (set in main.js), overlay catches the pointer */
img{-webkit-user-drag:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}
.product-card-img,.photo-grid a,.detail-main a,.detail-thumbs a,.about-photo,.contact-photo,.story figure,.company figure,.side-photo,.visual-grid a,.software-band figure,.lightbox{position:relative}
.product-card-img::after,.photo-grid a::after,.detail-main a::after,.detail-thumbs a::after,.about-photo::after,.contact-photo::after,.story figure::after,.company figure::after,.side-photo::after,.visual-grid a::after,.software-band figure::after,.lightbox::after{content:"";position:absolute;inset:0;background:transparent}
.lightbox::after{pointer-events:none}
@media(max-width:900px){.slide-cut{position:static;width:80%;max-height:300px;margin:0 auto}.slide.is-cut .slide-inner{padding-top:110px;padding-bottom:230px}.visual-grid,.software-band{grid-template-columns:1fr}.visual-grid img{height:220px}}
.hero-tabs{grid-template-columns:repeat(6,1fr)}
.hero-tab{padding:18px 14px 26px;font-size:13px}
.company .logo-figure{min-height:0}
.company .logo-figure img{width:68%;height:auto;object-fit:contain}
.visual-grid img{object-fit:contain;object-position:center}
@media(max-width:900px){.hero-tabs{grid-template-columns:repeat(3,1fr)}.hero-tab{font-size:11px;padding:12px 8px 16px}}
@media(max-width:600px){.hero-tab:nth-child(n+4){display:block}.hero-tabs{grid-template-columns:repeat(3,1fr)}}

/* --- v3 --- */
.cert-strip{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 26px}
.cert-strip span{font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--navy);border:1px solid #c9d6e2;border-radius:3px;padding:6px 10px;background:#fff}
.map-wrap{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);margin-bottom:60px;aspect-ratio:21/8;min-height:320px}
.map-wrap iframe{width:100%;height:100%;border:0;display:block}
/* --- v3 mobile hero --- */
@media(max-width:900px){
  .hero{min-height:900px}
  .slide-inner{padding:120px 24px 330px}
  .hero-controls{bottom:250px}
  .slide.is-cut{flex-direction:column;justify-content:flex-start}
  .slide.is-cut .slide-cut{position:static;width:72%;max-height:260px;margin:100px auto 0;filter:drop-shadow(0 16px 20px rgba(0,0,0,.5))}
  .slide.is-cut .slide-inner{padding:16px 24px 330px}
  .slide h1{font-size:clamp(30px,8vw,40px)}
}
@media(max-width:900px){.hero-controls{display:none}.slide-inner{padding-bottom:270px}.slide.is-cut .slide-inner{padding-bottom:270px}.slide.is-cut .slide-cut{max-height:230px;margin-top:96px}.hero{min-height:860px}}

/* --- v4: process band --- */
.process-section{background:#fff;border-top:1px solid var(--line)}
.process-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:0;counter-reset:step}
.process-steps li{position:relative;padding:28px 26px 28px 0;border-top:2px solid var(--line)}
.process-steps li::before{content:"";position:absolute;left:0;top:-2px;width:46px;height:2px;background:var(--blue)}
.process-steps b{font-size:12px;letter-spacing:.2em;color:var(--blue)}
.process-steps h3{font-size:18px;margin:12px 0 8px}
.process-steps p{font-size:14px;line-height:1.7;color:var(--muted);margin:0}
@media(max-width:1100px){.process-steps{grid-template-columns:repeat(3,1fr);gap:0 24px}}
@media(max-width:600px){.process-steps{grid-template-columns:1fr}}

/* --- v5: tags, honeypot --- */
.tag-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:-10px 0 28px}
.tag-label{font-size:12px;letter-spacing:.15em;text-transform:uppercase;color:var(--muted);margin-right:4px}
.tag{font-size:13px;color:var(--navy);background:var(--grey);border:1px solid var(--line);border-radius:3px;padding:5px 10px}
.tag:hover{background:var(--navy);color:#fff}
.hp{position:absolute;left:-9999px;top:-9999px;height:0;overflow:hidden}

/* --- v5: language switch --- */
.lang-switch{font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--ink);border:1px solid var(--line);border-radius:3px;padding:9px 11px;line-height:1}
.lang-switch:hover{color:var(--blue);border-color:var(--blue)}
.site-header.is-transparent:not(.is-scrolled) .lang-switch{color:#fff;border-color:rgba(255,255,255,.4)}
@media(max-width:900px){.lang-switch{padding:8px 9px}}

/* --- v6: keyboard focus, print --- */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
.contact-form input:focus-visible,.contact-form textarea:focus-visible{outline:0}
@media print{.site-header,.hero-controls,.hero-tabs,.contact-block,.site-footer,.lightbox,.carousel-nav,.burger{display:none!important}body{color:#000}.page-banner{min-height:200px}a[href]::after{content:""}}