:root{--ink:#0b1522;--ink-2:#132235;--steel:#8d9baa;--paper:#f3f5f6;--white:#fff;--signal:#f05a2a;--line:#d6dce1;--blue:#83b9ff;--max:1200px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:"Noto Sans SC","IBM Plex Sans",sans-serif;font-size:16px;line-height:1.65}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}.skip-link{position:absolute;left:-9999px;top:8px;z-index:100;background:#fff;padding:.6rem 1rem}.skip-link:focus{left:8px}.site-header{height:78px;padding:0 max(24px,calc((100vw - var(--max))/2));display:flex;align-items:center;gap:36px;background:rgba(11,21,34,.96);color:#fff;position:absolute;z-index:10;width:100%;border-bottom:1px solid rgba(255,255,255,.12)}.brand{display:flex;align-items:center;gap:12px;margin-right:auto;white-space:nowrap}.brand strong{display:block;font:700 .94rem/1 "IBM Plex Sans",sans-serif;letter-spacing:.14em}.brand small{display:block;margin-top:7px;color:#a9b5c1;font-size:.7rem;letter-spacing:.12em}.brand-mark{display:grid;grid-template-columns:repeat(3,5px);gap:4px;align-items:end;height:30px}.brand-mark i{background:var(--signal);display:block;height:26px}.brand-mark i:nth-child(2){height:18px}.brand-mark i:nth-child(3){height:30px}.site-header nav{display:flex;align-items:center;gap:26px;font-size:.88rem;color:#c9d1d9}.site-header nav a:hover{color:#fff}.header-cta{background:var(--signal);padding:13px 18px;font-weight:700;font-size:.88rem}.header-cta span{padding-left:8px}.menu-toggle{display:none;background:none;border:1px solid #536071;color:#fff;padding:8px 12px}
.hero{min-height:780px;position:relative;display:flex;align-items:center;color:#fff;overflow:hidden}.hero-image,.hero-shade{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.hero-shade{background:linear-gradient(90deg,rgba(6,15,25,.98) 0%,rgba(6,15,25,.89) 36%,rgba(6,15,25,.28) 67%,rgba(6,15,25,.08));}.hero-content{position:relative;z-index:2;width:min(var(--max),calc(100% - 48px));margin:78px auto 0}.eyebrow{margin:0 0 22px;color:var(--blue);font:600 .74rem/1 "IBM Plex Sans",sans-serif;letter-spacing:.2em}.eyebrow.dark{color:#53667b}.hero h1{font-size:clamp(3rem,6.2vw,5.8rem);line-height:1.06;letter-spacing:-.045em;margin:0;max-width:830px}.hero h1 em{font-style:normal;color:var(--signal)}.hero-copy{font-size:1.12rem;max-width:650px;color:#ced5dc;margin:28px 0 34px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.button{min-height:52px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;font-weight:700;border:1px solid transparent;cursor:pointer}.button.primary{background:var(--signal);color:#fff}.button.primary:hover{background:#d94d20}.button.ghost{border-color:#8491a0;background:rgba(11,21,34,.32);color:#fff}.hero-proof{position:absolute;right:max(24px,calc((100vw - var(--max))/2));bottom:0;z-index:2;display:grid;grid-template-columns:repeat(3,1fr);background:rgba(11,21,34,.92);border-top:1px solid rgba(255,255,255,.14)}.hero-proof div{padding:22px 27px;min-width:170px;border-right:1px solid rgba(255,255,255,.12)}.hero-proof div:last-child{border-right:0}.hero-proof strong,.hero-proof span{display:block}.hero-proof strong{font:700 1.25rem/1.1 "IBM Plex Sans",sans-serif}.hero-proof span{color:#9eabb8;font-size:.75rem;margin-top:7px}.trust-strip{background:#fff;border-bottom:1px solid var(--line);padding:24px max(24px,calc((100vw - var(--max))/2));display:flex;gap:40px;align-items:center}.trust-strip p{font-weight:700;margin:0;white-space:nowrap}.trust-strip div{display:flex;justify-content:space-between;flex:1;color:#687686;font-size:.88rem;letter-spacing:.04em}
.section{padding:110px max(24px,calc((100vw - var(--max))/2))}.section-heading{display:grid;grid-template-columns:1.1fr .7fr;column-gap:80px;margin-bottom:48px}.section-heading .eyebrow{grid-column:1/-1}.section-heading h2,.advantage-intro h2,.quality-copy h2,.contact h2{font-size:clamp(2.3rem,4vw,4.2rem);line-height:1.08;letter-spacing:-.04em;margin:0}.section-heading>p:last-child{margin:6px 0 0;color:#5a6979}.product-grid{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid #aeb8c2;border-left:1px solid #aeb8c2}.product-card{min-height:390px;padding:36px;border-right:1px solid #aeb8c2;border-bottom:1px solid #aeb8c2;position:relative;background:rgba(255,255,255,.25);transition:.25s}.product-card:hover{background:#fff;transform:translateY(-3px);box-shadow:0 22px 45px rgba(11,21,34,.08)}.product-card.featured{background:var(--ink);color:#fff}.product-no{font:500 .8rem "IBM Plex Sans";color:#758495}.product-type{color:var(--signal);font:700 .72rem "IBM Plex Sans";letter-spacing:.2em;margin:46px 0 10px}.product-card h3{font-size:2rem;margin:0 0 15px}.product-card>p:not(.product-type){color:#657384;max-width:470px}.product-card.featured>p:not(.product-type){color:#b8c3ce}.product-card ul{list-style:none;padding:0;margin:25px 0 36px;color:#526170;font-size:.9rem}.product-card.featured ul{color:#aebac5}.product-card li{padding:5px 0;border-bottom:1px solid rgba(138,152,166,.35)}.product-card a{font-weight:700}.product-card a span,.text-link span{color:var(--signal);padding-left:8px}
.advantages{background:var(--ink);color:#fff;display:grid;grid-template-columns:.9fr 1.1fr;gap:100px}.advantage-intro>p:last-child{color:#aab5c1;margin-top:26px}.advantage-list article{display:grid;grid-template-columns:70px 1fr;gap:20px;border-top:1px solid #405065;padding:34px 0}.advantage-list article:last-child{border-bottom:1px solid #405065}.advantage-list article>span{color:var(--signal);font:600 .85rem "IBM Plex Sans"}.advantage-list h3{font-size:1.55rem;margin:0 0 8px}.advantage-list p{color:#aab5c1;margin:0}.section-heading.compact{display:block;max-width:720px}.timeline{list-style:none;padding:0;margin:60px 0 0;display:grid;grid-template-columns:repeat(4,1fr);counter-reset:item;border-top:2px solid var(--ink)}.timeline li{padding:28px 28px 0 0;position:relative}.timeline li:before{content:"";width:12px;height:12px;background:var(--signal);position:absolute;top:-7px;left:0}.timeline span{font:700 .8rem "IBM Plex Sans";color:#647487}.timeline h3{font-size:1.35rem;margin:36px 0 10px}.timeline p{color:#667585;margin:0}.quality{background:#172639;color:#fff;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:100px;min-height:680px}.quality-copy>p:not(.eyebrow){color:#b1bdc8;max-width:550px}.text-link{display:inline-block;margin-top:20px;font-weight:700}.document-stack{height:410px;position:relative;perspective:1000px}.doc-card{position:absolute;width:320px;height:390px;background:#f6f7f7;color:var(--ink);padding:30px;box-shadow:0 25px 60px rgba(0,0,0,.28);border-top:6px solid var(--signal)}.doc-card span{font:600 .8rem "IBM Plex Sans";color:#8090a0}.doc-card strong{display:block;font:700 2rem/1.1 "IBM Plex Sans";letter-spacing:-.03em}.doc-card small{display:block;margin:110px 0 12px;letter-spacing:.16em}.doc-card p{font:500 .78rem/1.8 "IBM Plex Sans";color:#6b7885}.doc-card.back{right:0;top:0;transform:rotate(7deg);background:#4c6074;color:#fff}.doc-card.mid{right:50px;top:12px;transform:rotate(2deg);background:#aab6c0}.doc-card.front{right:105px;top:20px;transform:rotate(-5deg)}
.contact{background:#fff;display:grid;grid-template-columns:.8fr 1.2fr;gap:90px}.contact-copy>p:not(.eyebrow){color:#647384}.contact-note{margin-top:48px;border-left:4px solid var(--signal);padding:6px 0 6px 20px}.contact-note strong,.contact-note span{display:block}.contact-note span{color:#71808f;margin-top:6px;font-size:.9rem}.rfq-form{display:grid;grid-template-columns:1fr 1fr;gap:22px}.field{display:flex;flex-direction:column;gap:8px}.field.full{grid-column:1/-1}.field label{font-weight:700;font-size:.86rem}.field input,.field textarea{border:0;border-bottom:1px solid #aeb8c2;background:#f5f6f7;padding:14px 12px;outline:none}.field input:focus,.field textarea:focus{border-color:var(--signal);box-shadow:0 2px 0 var(--signal)}.submit{grid-column:1/-1;border:0;margin-top:10px}.form-status{grid-column:1/-1;margin:0;color:#496177;font-size:.9rem}footer{background:#08111c;color:#b3bec8;padding:50px max(24px,calc((100vw - var(--max))/2));display:grid;grid-template-columns:1fr 1fr auto;gap:28px;align-items:start}.footer-brand strong,.footer-brand span{display:block}.footer-brand strong{color:#fff;font:700 1rem "IBM Plex Sans";letter-spacing:.14em}.footer-brand span{font-size:.78rem;margin-top:7px}.footer-links{display:flex;gap:22px}.footer-links a:hover{color:#fff}footer p{margin:0}footer small{grid-column:1/-1;border-top:1px solid #273342;padding-top:20px}
@media(max-width:960px){.site-header{position:absolute}.site-header nav{display:none;position:absolute;left:0;right:0;top:78px;background:#0b1522;padding:22px 24px;flex-direction:column;align-items:flex-start}.site-header nav.open{display:flex}.menu-toggle{display:block}.header-cta{display:none}.hero{min-height:760px}.hero-proof{left:24px;right:24px}.hero-proof div{min-width:0}.trust-strip{align-items:flex-start;flex-direction:column;gap:16px}.trust-strip div{width:100%;gap:20px;flex-wrap:wrap}.section-heading,.advantages,.quality,.contact{grid-template-columns:1fr;gap:55px}.document-stack{max-width:500px}.timeline{grid-template-columns:repeat(2,1fr);gap:40px 0}.timeline li:nth-child(3),.timeline li:nth-child(4){border-top:1px solid #aeb8c2;padding-top:35px}.timeline li:nth-child(3):before,.timeline li:nth-child(4):before{display:none}footer{grid-template-columns:1fr 1fr}.footer-links{grid-column:1/-1}}
@media(max-width:640px){.site-header{height:70px;padding:0 18px}.brand small{display:none}.site-header nav{top:70px}.hero{min-height:820px;align-items:flex-start}.hero-content{margin-top:150px;width:calc(100% - 36px)}.hero h1{font-size:3.25rem}.hero-copy{font-size:1rem}.hero-proof{grid-template-columns:1fr;left:18px;right:18px}.hero-proof div{padding:10px 16px;display:grid;grid-template-columns:120px 1fr;align-items:center;border-right:0;border-bottom:1px solid rgba(255,255,255,.1)}.hero-proof span{margin:0}.section{padding:78px 18px}.section-heading{display:block}.section-heading h2,.advantage-intro h2,.quality-copy h2,.contact h2{font-size:2.45rem}.section-heading>p:last-child{margin-top:22px}.product-grid{grid-template-columns:1fr}.product-card{min-height:auto;padding:28px}.product-type{margin-top:30px}.advantages{gap:45px}.timeline{grid-template-columns:1fr;border-top:0;gap:0}.timeline li,.timeline li:nth-child(3),.timeline li:nth-child(4){border-top:1px solid #aeb8c2;padding:26px 0}.timeline li:before{display:none}.timeline h3{margin:16px 0 8px}.quality{overflow:hidden}.document-stack{height:340px}.doc-card{width:250px;height:320px}.doc-card small{margin-top:75px}.doc-card.front{right:55px}.doc-card.mid{right:18px}.contact{gap:42px}.rfq-form{grid-template-columns:1fr}.field.full,.submit,.form-status{grid-column:1}.footer{display:block}.footer p,.footer-links,footer small{margin-top:25px}.footer-links{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.product-card{transition:none}}
.lang-switch{display:flex;border:1px solid #536071;border-radius:3px;overflow:hidden;flex:0 0 auto}.lang-switch button{border:0;background:transparent;color:#aeb8c2;padding:8px 9px;font-size:.75rem;cursor:pointer}.lang-switch button.active{background:#fff;color:var(--ink)}
.contact-channels{margin-top:42px;display:grid;gap:12px}.contact-channels>a,.contact-channels>div{display:block;border-left:4px solid var(--signal);padding:8px 0 8px 20px}.contact-channels small,.contact-channels strong{display:block}.contact-channels small{color:#71808f;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em}.contact-channels strong{margin-top:3px;font-size:.94rem}
@media(max-width:640px){.site-header{gap:12px}.brand strong{font-size:.8rem}.lang-switch{margin-left:auto}.lang-switch button{padding:7px}}

/* Brand and verified catalogue update */
.brand-mark{display:block;width:44px;height:36px;object-fit:contain;filter:drop-shadow(0 4px 10px rgba(0,0,0,.22))}.scene-disclaimer{position:absolute;z-index:3;right:max(24px,calc((100vw - var(--max))/2));top:100px;margin:0;padding:7px 10px;background:rgba(7,16,27,.72);border:1px solid rgba(255,255,255,.18);color:#d5dce3;font-size:.7rem;letter-spacing:.04em;backdrop-filter:blur(8px)}
.reference-range{margin-top:34px;display:grid;grid-template-columns:.72fr 1.28fr;border:1px solid #aeb8c2;background:#fff}.reference-range>div{padding:24px 26px;border-right:1px solid var(--line)}.reference-range>div:nth-child(2){border-right:0}.reference-range span,.reference-range strong{display:block}.reference-range span{font-size:.75rem;color:#708091;letter-spacing:.08em;margin-bottom:7px}.reference-range strong{font-family:"IBM Plex Sans","Noto Sans SC",sans-serif;font-size:.95rem;line-height:1.55}.reference-range>p{grid-column:1/-1;margin:0;padding:18px 26px;border-top:1px solid var(--line);color:#627181;font-size:.86rem}
.operations{display:grid;grid-template-columns:1.18fr .82fr;gap:72px;align-items:center;background:#e7ebee}.operations-visual{position:relative;min-height:500px;overflow:hidden;background:#182739}.operations-visual img{width:100%;height:100%;min-height:500px;position:absolute;inset:0;object-fit:cover}.operations-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(7,16,27,.55))}.operations-visual span{position:absolute;z-index:2;left:18px;bottom:16px;background:rgba(7,16,27,.78);border:1px solid rgba(255,255,255,.2);color:#fff;padding:7px 10px;font-size:.72rem}.operations-copy h2{font-size:clamp(2.3rem,4vw,4rem);line-height:1.08;letter-spacing:-.04em;margin:0}.operations-copy>p:not(.eyebrow){color:#5d6c7b;margin:24px 0 30px}.operations-copy dl{margin:0;border-top:1px solid #aeb8c2}.operations-copy dl div{display:grid;grid-template-columns:110px 1fr;gap:18px;padding:16px 0;border-bottom:1px solid #aeb8c2}.operations-copy dt{font-weight:700}.operations-copy dd{margin:0;color:#5b6b7c}
@media(max-width:960px){.operations{grid-template-columns:1fr;gap:45px}.operations-visual,.operations-visual img{min-height:420px}}
@media(max-width:640px){.brand-mark{width:38px;height:30px}.scene-disclaimer{top:86px;right:18px;font-size:.64rem}.reference-range{grid-template-columns:1fr}.reference-range>div{border-right:0;border-bottom:1px solid var(--line)}.reference-range>div:nth-child(2){border-bottom:0}.operations-visual,.operations-visual img{min-height:310px}.operations-copy h2{font-size:2.45rem}.operations-copy dl div{grid-template-columns:1fr;gap:3px}}

/* Product, company profile and contact enhancements */
.company-facts{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;margin-top:38px;background:#405065;border:1px solid #405065}.company-facts div{background:#172639;padding:15px 17px}.company-facts small,.company-facts strong{display:block}.company-facts small{color:#8fa0b1;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase}.company-facts strong{margin-top:5px;color:#fff;font-size:.88rem;line-height:1.5}
.contact-channels{margin-top:36px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.contact-channels .channel-card{appearance:none;width:100%;display:block;text-align:left;border:1px solid var(--line);border-left:4px solid var(--signal);background:#f5f7f8;padding:13px 14px 12px 17px;color:var(--ink);cursor:pointer;transition:.2s}.contact-channels .channel-card:hover,.contact-channels .channel-card:focus-visible{background:#fff;border-color:#aab5bf;box-shadow:0 10px 24px rgba(11,21,34,.08);outline:none}.contact-channels .channel-card.whatsapp{border-left-color:#168a5b}.contact-channels .channel-card.address-card{grid-column:1/-1;cursor:default}.contact-channels .channel-card.address-card:hover{box-shadow:none;background:#f5f7f8}.contact-channels .channel-card small,.contact-channels .channel-card strong,.channel-action{display:block}.contact-channels .channel-card small{color:#71808f;font-size:.72rem;text-transform:uppercase;letter-spacing:.08em}.contact-channels .channel-card strong{margin-top:3px;font-size:.91rem;line-height:1.45;overflow-wrap:anywhere}.channel-action{color:#667789;font-size:.72rem;margin-top:5px}
@media(max-width:640px){.contact-channels{grid-template-columns:1fr}.contact-channels .channel-card.address-card{grid-column:1}.company-facts{grid-template-columns:1fr}}

/* Multi-page navigation and inner pages */
.site-header.inner-header{position:relative}.site-header nav a.active{color:var(--blue);position:relative}.site-header nav a.active:after{content:"";position:absolute;left:0;right:0;bottom:-14px;height:2px;background:var(--signal)}
.inner-main{background:var(--paper)}.page-hero{min-height:360px;padding:90px max(24px,calc((100vw - var(--max))/2));display:flex;flex-direction:column;justify-content:center;background:linear-gradient(120deg,#0b1522 0%,#172c42 65%,#263e55 100%);color:#fff;position:relative;overflow:hidden}.page-hero:after{content:"";position:absolute;width:420px;height:420px;border:1px solid rgba(255,255,255,.12);transform:rotate(35deg);right:-100px;top:-190px}.page-hero h1{font-size:clamp(3rem,6vw,5.2rem);line-height:1;margin:0;letter-spacing:-.045em;position:relative;z-index:1}.page-hero>p:last-child{max-width:720px;color:#c6d0da;font-size:1.08rem;margin:24px 0 0;position:relative;z-index:1}.inner-section{padding-top:90px}.page-cta{margin-top:54px;padding:28px 32px;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:28px}.page-cta strong,.page-cta span{display:block}.page-cta strong{font-size:1.2rem}.page-cta span{color:#aeb9c5;margin-top:4px}
.terms-section{background:#e7ebee}.terms-grid{display:grid;grid-template-columns:repeat(3,1fr);border-left:1px solid #aeb8c2;border-top:1px solid #aeb8c2}.terms-grid article{padding:30px;min-height:260px;border-right:1px solid #aeb8c2;border-bottom:1px solid #aeb8c2;background:rgba(255,255,255,.35)}.terms-grid article>span{font:700 .78rem "IBM Plex Sans";color:var(--signal)}.terms-grid h3{font-size:1.35rem;margin:34px 0 10px}.terms-grid p{color:#5f6f7e;margin:0}
.about-story{display:grid;grid-template-columns:1.05fr .95fr;gap:76px;align-items:center}.about-visual{min-height:560px;position:relative;overflow:hidden;background:#172639}.about-visual img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.about-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(7,16,27,.6))}.about-visual span{position:absolute;z-index:2;bottom:18px;left:18px;background:rgba(7,16,27,.78);color:#fff;padding:7px 10px;font-size:.72rem}.about-copy h2{font-size:clamp(2.3rem,4vw,4rem);line-height:1.08;letter-spacing:-.04em;margin:0}.about-copy>p:not(.eyebrow){color:#5e6e7e;margin-top:24px}.about-facts{min-height:auto}.about-principles article{padding:28px 0;border-top:1px solid #405065;display:grid;grid-template-columns:54px 1fr;column-gap:18px}.about-principles article:last-child{border-bottom:1px solid #405065}.about-principles article>span{color:var(--signal);font:700 .78rem "IBM Plex Sans";grid-row:1/3}.about-principles h3{margin:0 0 7px;font-size:1.3rem}.about-principles p{margin:0;color:#aeb9c5}.inner-contact{padding-top:90px}
@media(max-width:960px){.about-story{grid-template-columns:1fr}.about-visual{min-height:430px}.terms-grid{grid-template-columns:repeat(2,1fr)}.page-cta{align-items:flex-start;flex-direction:column}.site-header nav a.active:after{display:none}}
@media(max-width:640px){.page-hero{min-height:300px;padding:68px 18px}.page-hero h1{font-size:3rem}.page-hero>p:last-child{font-size:1rem}.terms-grid{grid-template-columns:1fr}.terms-grid article{min-height:auto;padding:26px}.about-visual{min-height:320px}.page-cta{padding:24px}.inner-section,.inner-contact{padding-top:68px}}