@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@400;500;600;700;800&display=swap');:root{--navy:#0b2343;--deep:#06172c;--red:#be2032;--gray:#607084;--line:#e2e7ed}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f7f9fb;color:var(--navy);font-family:Vazirmatn,Tahoma,Arial,sans-serif}body.en{font-family:Arial,sans-serif}a{text-decoration:none;color:inherit}button{font:inherit;cursor:pointer}.top{background:var(--deep);color:#e7eef7;padding:9px 5%;font-size:12px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}.header{position:sticky;top:0;z-index:20;background:white;box-shadow:0 3px 16px #06172c18;display:flex;align-items:center;justify-content:space-between;padding:9px 5%;gap:18px}.logo{width:177px;height:72px;object-fit:cover;object-position:left center}.nav{display:flex;align-items:center;gap:22px}.nav a,.nav button{font-size:13px;font-weight:700}.nav a:hover{color:var(--red)}.drop{position:relative}.dropbtn{border:0;background:none;color:var(--navy)}.dropdown{display:none;position:absolute;top:100%;right:0;background:white;min-width:280px;box-shadow:0 12px 35px #081c3630;padding:12px;border-radius:8px;max-height:70vh;overflow:auto}.en .dropdown{right:auto;left:0}.drop:hover .dropdown,.drop:focus-within .dropdown{display:block}.dropdown a{display:block;padding:9px;border-bottom:1px solid #edf0f4;font-weight:500}.switch{border:1px solid #b7c3d0;border-radius:6px;padding:8px 11px;background:white}.menu{display:none}.hero{min-height:610px;display:flex;align-items:center;color:white;padding:55px 6%;background:linear-gradient(270deg,#06172ced 0%,#06172cc9 34%,#06172c1a 78%),url('hero.jpg') center/cover}.en .hero{background-image:linear-gradient(90deg,#06172ced 0%,#06172cc9 34%,#06172c1a 78%),url('hero.jpg')}.hero-inner{max-width:650px}.kicker{color:#ffb9c1;font-weight:700;font-size:13px;letter-spacing:1px}.hero h1{font-size:clamp(32px,4.1vw,59px);line-height:1.55;margin:15px 0}.hero p{font-size:17px;line-height:2.2;max-width:610px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.btn{background:var(--red);color:white;padding:13px 22px;border-radius:5px;font-size:14px;font-weight:700;display:inline-block;border:1px solid var(--red)}.btn.outline{background:transparent;border-color:#fff}.wrap{max-width:1330px;margin:auto;padding:68px 5%}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:27px}.section-head h2{font-size:30px;margin:0}.section-head p{margin:8px 0 0;color:var(--gray);line-height:1.9}.eyebrow{color:var(--red);font-size:12px;font-weight:800;letter-spacing:1px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:19px}.card{background:white;border:1px solid var(--line);border-radius:10px;overflow:hidden;transition:.2s;display:flex;flex-direction:column}.card:hover{transform:translateY(-4px);box-shadow:0 14px 28px #0b234318}.art{height:145px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0d3159,#176084);position:relative;overflow:hidden}.art:before{content:'';position:absolute;border:14px solid #ffffff18;width:220px;height:220px;border-radius:50%;transform:translate(45px,35px)}.art span{font-size:46px;font-weight:800;color:#fff;position:relative}.art .corner{position:absolute;top:13px;right:16px;font-size:12px;color:#fff9}.card-body{padding:21px;flex:1;display:flex;flex-direction:column}.card h3{margin:0 0 8px;font-size:19px}.card p{color:var(--gray);line-height:1.95;font-size:13px;margin:0 0 18px}.more{color:var(--red);font-weight:800;font-size:13px;margin-top:auto}.band{background:var(--deep);color:white}.band .wrap{padding-top:53px;padding-bottom:53px}.band .grid{grid-template-columns:repeat(4,1fr)}.fact{padding:14px;border-right:1px solid #ffffff24}.fact strong{display:block;font-size:18px;margin-bottom:7px}.fact span{font-size:13px;color:#c4d3e4;line-height:1.8}.industries{grid-template-columns:repeat(3,1fr)}.industry{padding:27px;background:#fff;border-radius:9px;border-right:4px solid var(--red);border-top:1px solid var(--line);border-left:1px solid var(--line);border-bottom:1px solid var(--line)}.industry h3{margin:0 0 8px}.industry p{font-size:13px;color:var(--gray);line-height:1.9}.feature{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}.feature img{width:100%;border-radius:12px}.feature p{line-height:2;color:var(--gray)}.breadcrumb{font-size:12px;color:#b9c9da}.detail-hero{background:linear-gradient(110deg,#071a31,#10375f);color:white;padding:57px 5%}.detail-hero .inner{max-width:1200px;margin:auto}.detail-hero h1{font-size:clamp(30px,3vw,44px);margin:14px 0}.detail-hero p{max-width:850px;line-height:2;font-size:17px;color:#d9e6f3}.detail-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(250px,1fr);gap:30px}.paper{background:#fff;border:1px solid var(--line);padding:30px;border-radius:9px;margin-bottom:18px}.paper h2{margin-top:0;font-size:22px}.paper p,.paper li{line-height:2.1;color:#52647a}.paper ul{padding-inline-start:22px}.sidebar{align-self:start;position:sticky;top:110px}.side-link{display:block;padding:10px;border-bottom:1px solid var(--line);font-size:13px}.cta{background:#f5e8ea;padding:25px;border-radius:8px}.footer{background:#071a31;color:white;padding:50px 5%}.footer-inner{max-width:1250px;margin:auto;display:grid;grid-template-columns:2fr 1fr 1.2fr;gap:40px}.footer p{line-height:2;color:#c7d5e5;font-size:13px}.footer a{display:block;margin:8px 0;font-size:13px;color:#d8e4f2}.disclaimer{padding:12px 5%;font-size:11px;color:#64758a;background:#ecf0f4;line-height:1.9}.form{display:grid;gap:12px}.form input,.form textarea,.form select{width:100%;padding:13px;border:1px solid #cdd6e0;border-radius:5px;font:inherit}.form textarea{min-height:120px}.small{font-size:12px;color:var(--gray)}@media(max-width:920px){.menu{display:block;border:1px solid #cbd5df;background:white;padding:9px;border-radius:5px}.nav{display:none;position:absolute;top:100%;left:0;right:0;background:white;flex-direction:column;align-items:stretch;padding:20px 6%;box-shadow:0 8px 20px #071a3120}.nav.show{display:flex}.dropdown{position:static;box-shadow:none;max-height:250px}.drop:hover .dropdown,.drop:focus-within .dropdown{display:block}.grid,.industries{grid-template-columns:repeat(2,1fr)}.detail-layout{grid-template-columns:1fr}.sidebar{position:static}.footer-inner{grid-template-columns:1fr 1fr}.band .grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.hero{min-height:560px;background-position:57% center;background-image:linear-gradient(270deg,#06172ce8,#06172c9c),url('hero.jpg')}.en .hero{background-image:linear-gradient(90deg,#06172ce8,#06172c9c),url('hero.jpg')}.hero h1{font-size:32px}.hero p{font-size:14px}.grid,.industries,.feature,.footer-inner,.band .grid{grid-template-columns:1fr}.section-head h2{font-size:24px}.wrap{padding:46px 5%}.logo{width:140px;height:60px}.paper{padding:22px}.top{font-size:10px}}
/* SATRAP V3 design and usability improvements */
:focus-visible{outline:3px solid #e3a02d;outline-offset:3px}.drop.opened .dropdown{display:block}.art{height:205px;background:#0b2945}.art:before{display:none}.art img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s}.card:hover .art img{transform:scale(1.04)}.art .corner{background:#071a31cf;border-radius:4px;padding:6px 9px;font-size:11px;top:12px;right:12px}.card-body{padding:23px}.card p{font-size:14px}.service-figure{margin:0 0 20px;background:#0b2343;border-radius:12px;overflow:hidden}.service-figure img{display:block;width:100%;max-height:420px;object-fit:cover}.service-figure figcaption{padding:11px 16px;color:#d3e2ec;font-size:12px}.why{padding-top:76px;padding-bottom:45px}.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.value-grid>div{padding:28px;border:1px solid #dce4ec;background:white;border-radius:12px}.value-grid b{color:#be2032;font-size:28px}.value-grid h3{margin:10px 0}.value-grid p{color:#5e6f82;line-height:2;font-size:14px}.industry{transition:.2s}.industry:hover{transform:translateY(-3px);box-shadow:0 12px 24px #0b234316}.footer a{display:inline-block}.footer a:hover{text-decoration:underline}.hero{background-position:center center}.hero-inner{padding:12px 0}.paper h3{margin-bottom:5px}.paper h3+p{margin-top:0}.paper ul{padding-inline-start:20px}.nav .dropbtn:hover{color:#be2032}.btn:hover{filter:brightness(1.08)}.paper,.card{box-shadow:0 5px 16px #0b23430b}
@media(max-width:920px){.value-grid{grid-template-columns:1fr 1fr}.drop.opened .dropdown{display:block}}
@media(max-width:600px){.value-grid{grid-template-columns:1fr}.art{height:185px}.hero{background-position:59% center}.hero-inner{max-width:100%}.hero h1{line-height:1.5}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* SATRAP V4: clearer service discovery, contrast, keyboard/mobile navigation */
.service-tools{padding:23px;background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:25px}.search-label{display:block;font-weight:800;margin-bottom:9px}.service-tools input{display:block;width:100%;max-width:560px;padding:14px 16px;border:1px solid #a9b9ca;border-radius:7px;font:inherit;background:#fbfcfe;color:var(--navy)}.filters{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}.filter{border:1px solid #c9d4e0;border-radius:40px;padding:9px 15px;background:#f4f7fa;color:var(--navy);font-weight:700;font-size:13px}.filter.active,.filter[aria-pressed="true"]{background:var(--navy);color:white;border-color:var(--navy)}.empty-results{padding:35px;text-align:center;background:white;border-radius:8px}.method-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.method-card{background:white;border:1px solid var(--line);border-radius:12px;padding:25px;box-shadow:0 4px 14px #0b23430b}.method-no{color:var(--red);font-weight:800;font-size:26px}.method-card p{color:var(--gray);line-height:2;font-size:14px}.method-card a{color:#a41b2a;text-decoration:underline;text-underline-offset:3px;font-weight:800}.field-label{display:grid;gap:7px;font-size:13px;font-weight:700}.field-label input,.field-label textarea,.field-label select{font-weight:400}.nav .dropdown{z-index:30}.nav .dropdown a:hover{background:#f1f5f9}.hero{background-position:58% center}.card:focus-visible{outline:3px solid #d79922}.btn:focus-visible,.filter:focus-visible{outline:3px solid #d79922;outline-offset:3px}.service-tools .small{margin-bottom:0}.footer-inner a{overflow-wrap:anywhere}@media(max-width:920px){.method-grid{grid-template-columns:1fr 1fr}.nav .dropdown{display:none}.nav .drop.opened .dropdown{display:block}.nav .drop:hover:not(.opened) .dropdown{display:none}}@media(max-width:600px){.method-grid{grid-template-columns:1fr}.filters{gap:7px}.filter{font-size:12px;padding:8px 11px}.hero{background-position:62% center}.service-tools{padding:16px}}
/* SATRAP V5: usability and typographic refinement */
.skip-link{position:fixed;z-index:100;top:-70px;inset-inline-start:18px;padding:12px 18px;background:#fff;color:#06172c;border:2px solid #be2032;border-radius:5px}.skip-link:focus{top:12px}
.service-index-link{white-space:nowrap}.nav .drop{display:flex;align-items:center;gap:6px}.nav .dropbtn{padding:7px 8px;border-radius:5px;background:#f1f5f9}
.paper.deep-dive{border-inline-start:4px solid #be2032;background:linear-gradient(135deg,#fff,#f7f9fc)}
.paper.deep-dive h3{margin-top:20px}.card{min-height:100%}.card-body h3{line-height:1.6}.footer a:focus-visible{outline:3px solid #ffca5b}
@media(max-width:920px){.nav .drop{align-items:stretch;flex-wrap:wrap}.nav .dropbtn{width:max-content}.nav .service-index-link{padding:9px 0}}

/* V6: editorial polish, visible navigation, compact mobile CTA */
.hero{background-color:#071a31;min-height:640px}.hero-inner{position:relative;z-index:1}
.hero:after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(0deg,#071a3130,transparent 45%)}.hero{position:relative}
.card{border-radius:13px}.card-body{padding:25px}.card-body h3{font-size:20px}
.card .more{display:inline-flex;align-items:center;gap:6px}.art img{object-fit:cover}
.header{min-height:85px}.nav .service-index-link{font-weight:800}
.service-figure figcaption{line-height:1.8}.trust-note{background:#eaf1f7;border-inline-start:4px solid #be2032;border-radius:8px;padding:16px 19px;color:#3c526c;line-height:1.9;margin:18px 0}
.service-shortcuts{display:flex;flex-wrap:wrap;gap:9px;margin:18px 0 0}.service-shortcuts a{padding:9px 14px;border:1px solid #cbd8e5;background:white;border-radius:6px;color:#123a62;font-size:13px;font-weight:700}
.service-shortcuts a:hover{border-color:#be2032;color:#a81c2b}
.site-contact-strip{background:#102e50;color:white;padding:22px 5%;display:flex;align-items:center;justify-content:center;gap:24px;flex-wrap:wrap}.site-contact-strip a{background:#be2032;color:white;padding:11px 17px;border-radius:5px;font-weight:800}.site-contact-strip p{margin:0;font-weight:700}
@media(max-width:600px){.hero{min-height:610px;background-position:66% center}.hero h1{font-size:31px}.site-contact-strip{align-items:stretch;text-align:center}.site-contact-strip a{width:100%}.nav{max-height:calc(100vh - 90px);overflow:auto}.art{height:195px}}

/* V7: sector landing pages and legible links */
.industry-note{margin-top:34px;padding:32px}.industry-note p{max-width:850px;line-height:2}.industry-note .btn{display:inline-flex;margin-top:12px}.breadcrumb a{color:inherit;text-decoration:underline;text-underline-offset:4px}.industry .more{display:inline-block;margin-top:12px}.industry:focus-within{outline:3px solid #e3a02d;outline-offset:3px}@media(max-width:600px){.industry-note{padding:20px}}

/* V8: final UI polish and keyboard-friendly reading */
html{scroll-padding-top:110px} .method-guide{margin-top:22px;border-inline-start:4px solid var(--red)}
.method-guide ol{padding-inline-start:24px}.method-guide li{padding-block:5px}
.nav .dropbtn[aria-expanded="true"]{background:#e7edf4;color:#a91b2b}
.card:focus-visible,.industry a:focus-visible{outline:3px solid #d79922;outline-offset:3px}
@media(max-width:920px){.nav .drop:hover:not(.opened) .dropdown{display:none}.nav .drop:focus-within:not(.opened) .dropdown{display:none}}
@media(max-width:600px){.hero .actions .btn{width:100%;text-align:center}.hero{min-height:650px}.top span:last-child{display:none}}

/* V9: editorial rhythm, accessible enquiry form and method FAQs */
.faq details{border-bottom:1px solid #dfe7ef;padding:14px 0}.faq details:last-child{border-bottom:0}.faq summary{cursor:pointer;font-weight:700;line-height:1.9}.faq summary:hover{color:var(--red)}.faq details p{margin:8px 0 0}.outline-dark{background:white;color:var(--navy);border:1px solid #9aafc3}.form label{font-weight:700;font-size:13px}.form #output{min-height:165px;background:#f4f8fb;direction:ltr;text-align:left}.form #enquiry-status{min-height:1.5em;font-size:13px;color:#28533c}.card:focus-visible,.industry a:focus-visible{outline:3px solid #d79922;outline-offset:3px}.site-contact-strip a{font-weight:800}body{overflow-wrap:break-word}@media(max-width:600px){.form .btn{width:100%;text-align:center}.detail-hero{padding:40px 5%}.detail-hero p{font-size:15px}}

/* Release candidate — legibility, accessibility and consistent presentation */
:root{--red:#b51c2e}a,button{-webkit-tap-highlight-color:transparent} .nav a[aria-current="page"]{color:var(--red)}
.card{transition:transform .2s ease,box-shadow .2s ease}.card:focus-within{box-shadow:0 12px 30px #0b234326}
.paper p,.paper li{max-width:76ch}.detail-hero p{max-width:72ch}
.service-figure img{aspect-ratio:16/9;object-fit:cover}.art img{background:#0b2945}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid #295f9b;outline-offset:1px}
.header .logo{object-fit:contain;object-position:center}.footer-inner>div{min-width:0}
@media(max-width:920px){.header{min-height:76px}.nav{z-index:40}.nav .drop{width:100%}.nav .dropdown{width:100%;min-width:0}}
@media(max-width:600px){.top{padding:7px 5%}.hero{background-position:61% center}.hero-inner{padding-block:15px}.hero h1{font-size:clamp(28px,8vw,36px)}.hero .kicker{font-size:11px}.card-body{padding:20px}.service-figure img{max-height:260px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* SATRAP engineering redesign — 2026-10 */
:root{--deep:#061a30;--navy:#102d4a;--red:#b72032}
body{background:linear-gradient(180deg,#f2f6fa 0%,#fff 55%,#f2f6fa 100%)}
.hero{background-image:linear-gradient(90deg,rgba(5,19,34,.72),rgba(5,19,34,.42)),url('hero.jpg')!important;background-size:cover;background-position:center 43%;min-height:660px}
.hero:after{background:linear-gradient(0deg,rgba(5,19,34,.7),transparent 60%)}
.hero-inner{max-width:1160px}.hero h1{text-shadow:0 2px 15px #06182d77}.hero-expertise{max-width:740px;margin:24px 0 27px;padding:18px 23px;background:rgba(6,24,43,.48);border-inline-start:3px solid #d8a96b;backdrop-filter:blur(5px);border-radius:5px}.hero-expertise p{font-size:clamp(15px,1.4vw,18px);line-height:2.15;margin:0;color:#f3f6f9}.hero .actions{gap:15px}.hero .actions .btn{border-radius:9px;padding:15px 28px;box-shadow:0 9px 24px #071a3152}.hero .actions .btn.outline{background:#ffffff13;backdrop-filter:blur(6px)}
.section-head .eyebrow,.contact-overline{letter-spacing:2px;font-size:12px;color:#b72032;font-weight:800}.section-head h2{font-weight:850}.wrap.why{padding-top:75px}.value-grid>div{background:linear-gradient(145deg,#fff,#f6f9fc);border-top:3px solid #c8d6e4;box-shadow:0 12px 26px #0a2b4610}.value-grid b{font-family:Arial,sans-serif}.value-grid>div:hover{border-top-color:#b72032}
.home-service-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:19px}.home-service{position:relative;display:flex;flex-direction:column;min-height:300px;padding:32px;border:1px solid #d6e0e9;border-top:4px solid #133c61;background:linear-gradient(155deg,#fff 62%,#e9f0f5);border-radius:14px;box-shadow:0 15px 35px #0b2a4412;transition:transform .2s,box-shadow .2s;overflow:hidden}.home-service:after{content:'+';position:absolute;bottom:-46px;left:5px;font-size:220px;color:#103c6010;font-weight:200;pointer-events:none}.home-service:hover{transform:translateY(-5px);box-shadow:0 18px 42px #0b2a4424}.service-symbol{font:700 12px Arial,sans-serif;color:#9e2031;letter-spacing:2px}.home-service h3{font-size:23px;color:#0c2d4d;margin:30px 0 9px}.home-service p{font-size:14px;line-height:2;color:#52697e;margin:0 0 24px}.service-link{margin-top:auto;color:#a91e30;font-weight:800;font-size:13px;z-index:1}
.engineering-contact{padding-top:34px;padding-bottom:34px}.engineering-contact-inner{display:grid;grid-template-columns:1.4fr .75fr;gap:35px;align-items:center;padding:43px;background:linear-gradient(120deg,#071d34,#174368);color:#fff;border-radius:18px;box-shadow:0 24px 55px #0b284435;position:relative;overflow:hidden}.engineering-contact-inner:before{content:'';position:absolute;width:380px;height:380px;border:1px solid #ffffff12;border-radius:50%;top:-200px;left:-120px}.contact-overline{color:#e7b08d}.engineering-contact h2{font-size:clamp(22px,2.6vw,32px);margin:12px 0}.engineering-contact p{color:#d7e3ef;line-height:2;font-size:15px;max-width:670px}.contact-actions{display:grid;gap:12px;z-index:1}.contact-actions a{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:18px 21px;border-radius:10px;font-weight:800}.contact-primary{background:#b82034;color:white}.contact-secondary{border:1px solid #9cb1c5;color:white;background:#ffffff0d}.contact-actions a:hover{filter:brightness(1.15)}
@media(max-width:920px){.home-service-grid{grid-template-columns:1fr 1fr}.engineering-contact-inner{grid-template-columns:1fr}.hero{background-position:57% center}}
@media(max-width:600px){.hero{background-image:linear-gradient(180deg,rgba(5,19,34,.03) 0%,rgba(5,19,34,.1) 22%,rgba(5,19,34,.87) 46%,#06192e 85%),url('hero.jpg')!important;background-size:100% auto;background-position:center top;background-repeat:no-repeat;background-color:#06192e;min-height:0;padding-top:min(57vw,260px);padding-bottom:36px}.hero-inner{padding:0 0 10px}.hero h1{font-size:clamp(29px,8vw,36px);line-height:1.55}.hero-expertise{margin:18px 0 22px;padding:13px 15px;background:#102e48aa}.hero-expertise p{font-size:14px;line-height:2}.hero .actions{display:grid;gap:12px}.hero .actions .btn{width:100%;padding:15px}.home-service-grid{grid-template-columns:1fr}.home-service{min-height:240px;padding:25px}.home-service h3{margin-top:20px}.engineering-contact-inner{padding:26px 20px}.engineering-contact h2{font-size:23px}.contact-actions a{padding:16px}.top{font-size:10px}}

/* V11: industrial editorial system */
:root{--navy:#0b253e;--red:#b52536;--line:#dbe4eb}body{background:#f3f6f8}.header{border-bottom:1px solid #dce5ed}.logo{object-fit:contain}.hero{background-image:linear-gradient(90deg,rgba(5,20,35,.78),rgba(5,20,35,.28)),url('hero.jpg')!important;background-position:center 37%;min-height:700px}.hero-inner{max-width:1050px}.hero-expertise{border-inline-start:4px solid #d6ad76;background:rgba(4,24,41,.7)}.btn{border-radius:9px;transition:transform .2s,box-shadow .2s}.btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px #081c3530}.section-head h2{letter-spacing:-.35px}.card,.home-service,.value-grid>div{border-radius:16px}.card{box-shadow:0 10px 30px #0b23430c}.card:hover{box-shadow:0 18px 38px #0b234327}.detail-hero{background:radial-gradient(circle at 85% 15%,#1e5272 0,transparent 33%),linear-gradient(115deg,#061629,#113c5c)}.paper{border-radius:15px;box-shadow:0 8px 22px #0b234309}.paper h2{border-inline-start:3px solid #b52536;padding-inline-start:13px}.engineering-blueprint{position:relative;overflow:hidden;border-radius:16px;background:#071d31;padding:20px;margin:24px 0;color:#dcecf4;box-shadow:0 18px 38px #0a27362b}.engineering-blueprint:before{content:'';position:absolute;inset:0;background-image:linear-gradient(#c0d5e309 1px,transparent 1px),linear-gradient(90deg,#c0d5e309 1px,transparent 1px);background-size:28px 28px;pointer-events:none}.engineering-blueprint img{display:block;width:100%;max-height:360px;object-fit:contain;position:relative}.engineering-blueprint figcaption{position:relative;font-size:12px;line-height:1.9;padding:10px 4px 2px}.process-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.process-step{background:#fff;border:1px solid #d9e4eb;border-top:3px solid #b52536;border-radius:12px;padding:20px}.process-step strong{display:block;color:#a32937;font-size:25px;font-family:Arial,sans-serif}.process-step h3{font-size:15px;margin:9px 0}.process-step p{font-size:13px;color:#526579;line-height:1.9}.technical-note{background:#eaf1f5;border-inline-start:4px solid #1a5a75;padding:17px 20px;border-radius:8px;line-height:2;color:#28495c}.trust-panel{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:25px}.trust-panel>div{background:#fff;border:1px solid #dce5eb;border-radius:14px;padding:25px}.trust-panel h3{margin:0 0 12px}.trust-panel p{color:#566d7e;line-height:2}.footer{background:#06182a}@media(max-width:920px){.process-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.hero{background-image:linear-gradient(180deg,rgba(5,19,34,0) 0%,rgba(5,19,34,.12) 24%,rgba(5,19,34,.92) 54%,#06192e 91%),url('hero.jpg')!important;background-size:100% auto;background-position:center top;background-repeat:no-repeat;min-height:0;padding-top:min(64vw,310px);padding-bottom:38px}.hero-expertise{background:#09283ce8}.process-grid,.trust-panel{grid-template-columns:1fr}.engineering-blueprint{padding:12px}.engineering-blueprint img{max-height:230px}.top{line-height:1.7}}

/* V12 — industrial art direction, accessibility and responsive polish */
:root{--satrap-ink:#091b2c;--satrap-blue:#123c55;--satrap-teal:#167e8d;--satrap-line:#d7e2e8}
html{scroll-behavior:smooth}body{background:linear-gradient(180deg,#f3f7f9 0%,#fff 45%,#f2f6f8 100%)}
:focus-visible{outline:3px solid #18a3bc!important;outline-offset:3px}
.header{box-shadow:0 5px 26px #041b2a13}.nav a,.nav button{transition:color .2s,background .2s}
.hero{position:relative;isolation:isolate;background-image:linear-gradient(90deg,rgba(4,19,31,.92) 0%,rgba(5,27,45,.75) 36%,rgba(4,20,32,.20) 75%),url('hero.jpg')!important;background-size:cover!important;background-position:center 38%!important}
.hero:after{content:'';position:absolute;inset:0;pointer-events:none;z-index:-1;background:linear-gradient(0deg,#061b2ae0,transparent 25%)}
.hero-inner{position:relative;z-index:1}.hero-expertise{backdrop-filter:blur(5px);border-inline-start:3px solid #60bdc8}
.hero-bottom-line{position:absolute;bottom:0;left:0;right:0;height:5px;background:linear-gradient(90deg,#0d6075,#43a5ae,#d6a65e)}
.section-head .eyebrow,.eyebrow{letter-spacing:.1em}.section-head h2{font-weight:800}
.card,.home-service,.value-grid>div,.process-step,.paper{transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.card:hover,.home-service:hover,.process-step:hover{transform:translateY(-3px);border-color:#98c8d0;box-shadow:0 18px 40px #102d4624}
.card .art{background:linear-gradient(135deg,#e7f0f3,#d7e6ed)}.card .art img{transition:transform .3s ease}.card:hover .art img{transform:scale(1.035)}
.process-step{position:relative;overflow:hidden}.process-step:after{content:'';position:absolute;bottom:0;left:0;right:0;height:2px;background:linear-gradient(90deg,#11647c,#bb9a68)}
.site-contact-strip{background:linear-gradient(110deg,#0c3448,#16576c)!important;border-top:3px solid #c4a36c}
.form input,.form select,.form textarea{min-height:45px;border:1px solid #bacdd8;border-radius:8px}.form textarea{min-height:120px}.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid #1a8191;outline-offset:1px}
.mail-action{margin:10px 8px}.form-safety-note{font-size:12px;color:#586d7b;line-height:1.8}
.v12-industrial-mark{padding:16px 20px;text-align:center;background:#071d2d;color:#8cb4c3;font-size:10px;letter-spacing:.19em;direction:ltr}
@media(max-width:700px){.hero{background-image:linear-gradient(180deg,rgba(4,19,31,.03) 0%,rgba(4,19,31,.08) 35%,rgba(4,19,31,.91) 63%,#06192e 100%),url('hero.jpg')!important;background-size:100% auto!important;background-position:center top!important;background-repeat:no-repeat!important;padding-top:min(67vw,340px)!important}.hero-inner{padding-bottom:10px}.hero-expertise{background:#09283ce8}.actions{gap:10px}.actions .btn{min-height:44px}.process-grid{grid-template-columns:1fr}.card:hover,.process-step:hover{transform:none}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}