:root{
  --navy:#061827;--navy-2:#0a2439;--navy-3:#0e3552;--blue:#0788ff;--blue-2:#1769d1;--cyan:#2fc4ff;
  --ink:#12233b;--muted:#65758a;--white:#fff;--line:#dce6f0;--surface:#f6faff;
  --shadow:0 18px 50px rgba(7,24,39,.13);--radius:18px
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:#fff;line-height:1.6;overflow-x:hidden}
body.modal-open{overflow:hidden}
img{max-width:100%;display:block}
a,button,input{font:inherit}
button{cursor:pointer}
.container{width:min(1180px,92%);margin-inline:auto}
.relative{position:relative;z-index:3}
.skip-link{position:fixed;left:16px;top:-60px;z-index:2000;background:#fff;color:var(--navy);padding:10px 16px;border-radius:8px;font-weight:900;text-decoration:none;box-shadow:var(--shadow)}
.skip-link:focus{top:16px}

/* Header */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(4,18,31,.94);border-bottom:1px solid rgba(255,255,255,.09);backdrop-filter:blur(16px)}
.nav-wrap{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;text-decoration:none;min-width:max-content}
.brand-mark{width:45px;height:45px;border:3px solid var(--blue);border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle,#164667 0 42%,#0b2a43 43% 65%,#061827 66%);box-shadow:0 0 0 4px rgba(7,136,255,.09),0 0 22px rgba(7,136,255,.2);font-weight:950;font-size:.83rem;position:relative}
.brand-mark:before,.brand-mark:after{content:"";position:absolute;width:9px;height:9px;border:2px solid var(--blue);border-radius:2px;background:var(--navy);top:-7px;left:50%;transform:translateX(-50%)}
.brand-mark:after{top:auto;bottom:-7px}
.brand-text{font-weight:950;letter-spacing:.035em;font-size:1.02rem;line-height:1}.brand-text b{color:var(--blue)}.brand-text small{display:block;color:#aebdca;font-size:.47rem;letter-spacing:.25em;margin-top:6px}
.main-nav{display:flex;align-items:center;gap:24px}.main-nav a{position:relative;color:#f4f8fb;text-decoration:none;font-size:.87rem;font-weight:800;padding:27px 0 25px;white-space:nowrap}.main-nav a:after{content:"";position:absolute;left:0;right:0;bottom:13px;height:3px;border-radius:5px;background:var(--blue);transform:scaleX(0);transition:.2s}.main-nav a:hover:after,.main-nav a:focus-visible:after,.main-nav a.active:after{transform:scaleX(1)}.main-nav a:hover,.main-nav a.active{color:#6fc4ff}.menu-toggle{display:none;background:none;border:0;color:#fff;font-size:1.75rem}

/* Hero */
.hero{position:relative;min-height:620px;display:flex;align-items:center;overflow:hidden;background:var(--navy)}
.hero-bg{position:absolute;inset:0;background-image:url('../images/hero-engineering.jpg');background-size:cover;background-position:center right;transform:scale(1.025)}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(54,177,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(54,177,255,.07) 1px,transparent 1px);background-size:60px 60px;mask-image:linear-gradient(90deg,#000,transparent 85%);opacity:.45}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(2,14,25,.98) 0%,rgba(3,17,29,.9) 38%,rgba(3,17,29,.42) 68%,rgba(3,17,29,.55) 100%)}
.hero-content{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;min-height:620px}.hero-copy{max-width:720px;padding:92px 0}.eyebrow{font-size:.77rem;font-weight:950;letter-spacing:.21em;color:var(--blue);margin-bottom:10px;text-transform:uppercase}.hero .eyebrow{color:#62c5ff}.hero h1{font-size:clamp(2.7rem,6vw,5.3rem);line-height:1.01;color:#fff;font-weight:950;letter-spacing:-.045em;margin-bottom:21px}.hero h1 span{color:var(--blue)}.hero-text{max-width:720px;color:#d8e4ee;font-size:1.06rem}.hero-points{display:grid;grid-template-columns:repeat(2,max-content);gap:9px 30px;margin-top:25px;color:#fff;font-weight:800;font-size:.91rem}.hero-points span::first-letter{color:var(--cyan)}.hero-actions{display:flex;gap:14px;margin-top:31px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:49px;padding:12px 23px;border-radius:999px;text-decoration:none;font-weight:950;transition:.2s}.btn-primary{background:linear-gradient(90deg,#087fff,#18a9ff);color:#fff;box-shadow:0 13px 28px rgba(0,136,255,.25)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 17px 32px rgba(0,136,255,.32)}.btn-outline{border:1px solid rgba(255,255,255,.65);color:#fff;background:rgba(0,0,0,.1)}.btn-outline:hover{background:#fff;color:var(--navy)}
.hero-badge{align-self:flex-start;margin-top:105px;color:#fff;text-align:center;font-size:1.85rem;font-weight:950;text-shadow:0 4px 25px rgba(0,0,0,.3)}.hero-badge span{display:block;font-size:1.55rem;letter-spacing:.12em}.hero-badge small{display:block;font-size:.78rem;margin-top:2px;color:#d7e7f4}.scroll-cue{position:absolute;left:50%;bottom:18px;width:25px;height:40px;border:1px solid rgba(255,255,255,.5);border-radius:20px;transform:translateX(-50%);z-index:3}.scroll-cue span{position:absolute;left:50%;top:7px;width:4px;height:8px;border-radius:3px;background:#fff;transform:translateX(-50%);animation:scrollDot 1.6s infinite}@keyframes scrollDot{0%,100%{opacity:.35;transform:translate(-50%,0)}50%{opacity:1;transform:translate(-50%,13px)}}

/* Shared sections */
.section{position:relative;padding:92px 0}.section-heading{text-align:center;max-width:900px;margin:0 auto 43px;position:relative;z-index:2}.section-heading h2{font-size:clamp(2rem,4vw,3rem);line-height:1.05;color:var(--blue-2);font-weight:950;letter-spacing:.015em;margin-bottom:13px}.section-heading p:last-child{color:var(--muted);font-size:1rem}.section-heading:after{content:"";display:block;width:64px;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--blue),var(--cyan));margin:18px auto 0}.light-heading h2{color:#fff}.light-heading p:last-child{color:#c4d5e3}.light-heading .eyebrow{color:#56bdff}.reveal{opacity:0;transform:translateY(22px);transition:opacity .65s ease,transform .65s ease}.reveal.is-visible{opacity:1;transform:none}

/* Services */
.services-section{background:linear-gradient(180deg,#f7fbff,#eef6fd);overflow:hidden}.section-glow{position:absolute;width:420px;height:420px;border-radius:50%;filter:blur(10px);pointer-events:none}.glow-one{left:-210px;top:50px;background:radial-gradient(circle,rgba(7,136,255,.11),transparent 70%)}.glow-two{right:-220px;bottom:-100px;background:radial-gradient(circle,rgba(47,196,255,.12),transparent 70%)}.services-section:before,.services-section:after{content:"⚙";position:absolute;color:rgba(20,90,145,.045);font-size:22rem;line-height:1;pointer-events:none}.services-section:before{left:-120px;top:20px;transform:rotate(-15deg)}.services-section:after{right:-120px;bottom:-80px;transform:rotate(18deg)}.service-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(7,1fr);gap:13px}.service-card{min-height:158px;background:rgba(255,255,255,.95);border:1px solid #dce9f4;border-radius:16px;padding:23px 10px;text-align:center;box-shadow:0 11px 27px rgba(17,54,88,.07);transition:.25s}.service-card:hover{transform:translateY(-7px);box-shadow:var(--shadow);border-color:#b8daf6}.service-icon{width:54px;height:54px;margin:0 auto 14px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(145deg,#eaf5ff,#d9eeff);color:var(--blue-2);font-size:1.65rem;font-weight:950;border:1px solid #c9e5fb}.service-card h3{font-size:.9rem;line-height:1.28;color:#153c70;font-weight:950}

/* Catalog */
.catalog-section{overflow:hidden}.catalog-dark{background:#061b2b}.catalog-pattern{position:absolute;inset:0;background:radial-gradient(circle at 10% 12%,rgba(39,184,255,.16),transparent 28%),radial-gradient(circle at 90% 82%,rgba(7,136,255,.13),transparent 30%),linear-gradient(rgba(6,27,43,.94),rgba(6,27,43,.97))}.catalog-pattern:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(61,177,244,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(61,177,244,.045) 1px,transparent 1px);background-size:45px 45px;mask-image:linear-gradient(135deg,#000,transparent 80%)}.catalog-pattern:after{content:"⚙";position:absolute;right:-85px;top:-110px;font-size:28rem;color:rgba(255,255,255,.024);transform:rotate(15deg)}.catalog-tools{display:flex;justify-content:center;align-items:center;gap:14px;position:relative;z-index:2;margin:-14px auto 28px}.catalog-search{display:flex;align-items:center;gap:9px;width:min(410px,100%);background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.2);border-radius:999px;padding:8px 15px;color:#a9c6db}.catalog-search input{width:100%;border:0;outline:0;background:transparent;color:#fff;font-size:.9rem}.catalog-search input::placeholder{color:#a9c0d2}.catalog-count{font-size:.8rem;font-weight:900;color:#a9c6db;white-space:nowrap}.light-tools .catalog-search{background:#fff;border-color:#d6e5f1;box-shadow:0 8px 24px rgba(14,53,82,.06)}.light-tools .catalog-search input{color:var(--ink)}.light-tools .catalog-search input::placeholder{color:#7d8d9d}.light-tools .catalog-count{color:#61748a}.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:17px;position:relative;z-index:2}.product-card{background:#fff;border:1px solid rgba(210,225,238,.95);border-radius:14px;overflow:hidden;box-shadow:0 9px 25px rgba(0,0,0,.09);transition:transform .22s,box-shadow .22s,border-color .22s;cursor:pointer}.product-card:hover{transform:translateY(-6px);box-shadow:0 19px 35px rgba(0,0,0,.18);border-color:#91c9f2}.product-image{aspect-ratio:4/3;background:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden}.product-image img{width:100%;height:100%;object-fit:cover;transition:transform .35s}.product-card:hover .product-image img{transform:scale(1.035)}.product-body{display:flex;gap:10px;align-items:center;padding:13px 14px;min-height:61px}.product-number{min-width:29px;height:29px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;font-size:.76rem;font-weight:950}.product-body h3{font-size:.91rem;line-height:1.2;color:#163b6d;font-weight:950}.no-results{position:relative;z-index:2;text-align:center;color:#a9c6db;font-weight:800;padding-top:20px}.material-section{background:#f7fbff;overflow:hidden}.material-bg{position:absolute;inset:0;background:linear-gradient(rgba(247,251,255,.9),rgba(247,251,255,.97)),radial-gradient(circle at 8% 20%,rgba(23,105,209,.09),transparent 30%),radial-gradient(circle at 92% 70%,rgba(39,184,255,.08),transparent 28%)}.material-section:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(23,105,209,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(23,105,209,.035) 1px,transparent 1px);background-size:50px 50px}

/* About */
.about-section{min-height:410px;display:flex;align-items:center;background:linear-gradient(90deg,#041421 0%,#061b2c 50%,#041421 100%);overflow:hidden}.about-space,.about-it{position:absolute;top:0;bottom:0;width:34%;background-size:cover;background-position:center}.about-space{left:0;background-image:url('../images/about-space-left.jpg');mask-image:linear-gradient(90deg,#000 60%,transparent)}.about-it{right:0;background-image:url('../images/about-it-right.jpg');mask-image:linear-gradient(90deg,transparent,#000 40%)}.about-grid-overlay{position:absolute;inset:0;background-image:linear-gradient(rgba(47,196,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(47,196,255,.035) 1px,transparent 1px);background-size:50px 50px}.about-section:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,20,33,.2),rgba(4,20,33,.94) 27%,rgba(4,20,33,.94) 73%,rgba(4,20,33,.2));pointer-events:none}.about-content{text-align:center}.about-content .section-heading{margin-bottom:22px}.about-content .section-heading h2 span{color:var(--blue)}.about-mark{font-size:1.2rem;color:#fff;max-width:820px;margin:0 auto;line-height:1.7}.about-mark em{color:#4ebaff;font-style:italic;font-weight:950}.about-signature{margin-top:18px;color:#fff;font-size:1.7rem;font-weight:950}.about-signature small{display:block;font-size:.72rem;color:#c6d6e3;margin-top:3px}

/* Contact */
.contact-section{background:#fff;overflow:hidden}.contact-map{position:absolute;inset:0;background-image:radial-gradient(circle,rgba(7,136,255,.09) 1px,transparent 1px);background-size:15px 15px;mask-image:linear-gradient(90deg,transparent,#000 16%,#000 84%,transparent);opacity:.65}.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:stretch;position:relative;z-index:2}.contact-eps-card{min-height:350px;border-radius:20px;background:linear-gradient(135deg,#061827,#0a3049);display:flex;align-items:center;justify-content:center;overflow:hidden;box-shadow:var(--shadow);border:1px solid rgba(8,136,255,.18)}.contact-eps-card img{width:min(620px,96%);height:auto;max-height:335px;object-fit:contain}.contact-actions{display:grid;gap:14px}.contact-action{display:grid;grid-template-columns:54px 1fr;grid-template-rows:auto auto;column-gap:14px;align-items:center;padding:18px 20px;border:1px solid var(--line);border-radius:15px;text-decoration:none;background:rgba(249,252,255,.95);color:var(--ink);transition:.22s}.contact-action:hover{transform:translateX(5px);border-color:#9ed2fb;box-shadow:0 12px 28px rgba(7,136,255,.1)}.contact-action span{grid-row:1/3;width:54px;height:54px;border-radius:50%;display:grid;place-items:center;background:#e5f3ff;color:var(--blue-2);font-size:1.35rem}.contact-action b{font-size:1rem}.contact-action small{color:var(--muted);font-size:.87rem}.contact-note{display:flex;align-items:center;gap:13px;border-top:1px solid #e5edf4;margin-top:3px;padding:16px 4px;color:#5e7185}.contact-note strong{color:var(--blue-2);font-size:1.3rem}.contact-note span{font-size:.82rem;font-weight:800}

/* Footer */
.site-footer{background:#061522;color:#d9e7f2;padding:36px 0 18px}.footer-wrap{display:grid;grid-template-columns:1.2fr 2fr .8fr;gap:25px;align-items:center}.footer-brand{font-weight:950;font-size:1.05rem;color:#fff;text-decoration:none}.footer-brand span{color:var(--blue)}.footer-brand small{display:block;color:#93a9b8;font-size:.52rem;letter-spacing:.24em;margin-top:5px}.footer-wrap nav{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}.footer-wrap nav a{color:#d9e7f2;text-decoration:none;font-size:.78rem}.footer-wrap nav a:hover{color:#50baff}.footer-ba{text-align:right;font-weight:950}.footer-ba small{display:block;font-size:.68rem;color:#94a9b7}.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:25px;padding-top:15px;text-align:center;color:#8499aa;font-size:.76rem}

/* Modal + utility */
.back-to-top{position:fixed;right:20px;bottom:20px;width:46px;height:46px;border:1px solid rgba(7,136,255,.25);border-radius:50%;background:rgba(6,24,39,.92);color:#fff;font-size:1.25rem;font-weight:900;z-index:900;opacity:0;pointer-events:none;transform:translateY(10px);transition:.25s;box-shadow:0 12px 28px rgba(0,0,0,.2)}.back-to-top.show{opacity:1;pointer-events:auto;transform:none}.image-modal{position:fixed;inset:0;background:rgba(1,9,16,.9);z-index:1500;display:none;align-items:center;justify-content:center;padding:40px}.image-modal.open{display:flex}.image-modal img{max-width:min(1000px,92vw);max-height:82vh;border-radius:12px;box-shadow:0 25px 80px rgba(0,0,0,.5);background:#fff}.image-modal p{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);color:#fff;font-weight:900;text-align:center}.modal-close{position:absolute;right:25px;top:18px;background:transparent;border:0;color:#fff;font-size:2.5rem;line-height:1}

@media(max-width:1080px){.main-nav{gap:17px}.main-nav a{font-size:.8rem}.service-grid{grid-template-columns:repeat(4,1fr)}.product-grid{grid-template-columns:repeat(3,1fr)}.hero-badge{display:none}.footer-wrap{grid-template-columns:1fr 2fr 1fr}}
@media(max-width:820px){.main-nav{display:none;position:absolute;top:72px;left:0;right:0;background:rgba(6,21,34,.98);border-bottom:1px solid rgba(255,255,255,.1);padding:12px 4%;flex-direction:column;gap:0}.main-nav.open{display:flex}.main-nav a{width:100%;padding:12px 0}.main-nav a:after{bottom:4px}.menu-toggle{display:block}.hero{min-height:650px}.hero-content{min-height:650px}.hero-copy{padding:78px 0}.hero-points{grid-template-columns:1fr}.service-grid{grid-template-columns:repeat(2,1fr)}.product-grid{grid-template-columns:repeat(2,1fr)}.contact-grid{grid-template-columns:1fr}.footer-wrap{grid-template-columns:1fr;text-align:center}.footer-wrap nav{justify-content:center}.footer-ba{text-align:center}.about-space,.about-it{width:50%}.about-mark{font-size:1.06rem}}
@media(max-width:560px){.container{width:min(94%,1180px)}.nav-wrap{min-height:66px}.main-nav{top:66px}.brand-mark{width:40px;height:40px}.brand-text{font-size:.91rem}.hero h1{font-size:2.6rem}.hero-text{font-size:1rem}.hero-points{font-size:.87rem}.hero-actions{justify-content:flex-start}.section{padding:70px 0}.section-heading{margin-bottom:34px}.service-grid,.product-grid{grid-template-columns:1fr}.product-grid{gap:14px}.service-card{min-height:137px}.catalog-tools{flex-direction:column;align-items:stretch}.catalog-search{width:100%}.catalog-count{text-align:center}.contact-eps-card{min-height:300px}.contact-eps-card img{max-height:275px}.about-section{min-height:450px}.about-space,.about-it{width:65%;opacity:.52}.about-section:after{background:rgba(4,20,33,.76)}.about-mark{font-size:1rem}.image-modal{padding:25px 12px}.modal-close{right:14px}.back-to-top{right:14px;bottom:14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}.scroll-cue span{animation:none}.product-card,.service-card,.contact-action,.btn{transition:none}}