:root{--navy:#071a2f;--navy2:#0d2946;--blue:#0799e8;--blue2:#0d6efd;--sky:#eaf7ff;--ink:#10243d;--muted:#61758c;--line:#dfe9f2;--white:#fff;--bg:#f7fafc;--green:#17a673;--shadow:0 16px 45px rgba(7,26,47,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.65}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.wrap{width:min(1180px,calc(100% - 40px));margin:auto}.topbar{background:var(--navy);color:#d8e7f5;font-size:13px}.topbar .wrap{height:38px;display:flex;justify-content:space-between;align-items:center;gap:18px}.topbar .left,.topbar .right{display:flex;gap:20px;align-items:center}.dot{width:7px;height:7px;border-radius:50%;background:#38d6ff;display:inline-block;margin-right:7px}.header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.97);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.nav{height:82px;display:flex;align-items:center;gap:34px}.brand{display:flex;align-items:center;gap:12px;min-width:235px}.brand-mark{width:44px;height:44px;display:grid;place-items:center}.brand-name{font-size:29px;font-weight:800;letter-spacing:-.7px;color:var(--navy)}.brand-tag{display:block;font-size:10px;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted);margin-top:-4px}.menu{display:flex;align-items:center;gap:26px;margin-left:auto;font-weight:650;font-size:14px}.menu a{padding:28px 0 26px;position:relative}.menu a:hover:after,.menu a.active:after{content:"";position:absolute;bottom:17px;left:0;right:0;height:2px;background:var(--blue)}.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:7px;font-weight:750;border:1px solid transparent;transition:.2s ease}.nav-cta{background:var(--blue2);color:#fff;padding:13px 18px;white-space:nowrap}.btn{padding:13px 20px}.btn-primary{background:var(--blue2);color:#fff}.btn-primary:hover,.nav-cta:hover{transform:translateY(-1px);box-shadow:0 10px 25px rgba(13,110,253,.22)}.btn-ghost{border-color:#b8c8d8;background:#fff;color:var(--navy)}.btn-dark{background:var(--navy);color:#fff}.hamb{display:none;margin-left:auto;border:0;background:none;font-size:26px}.hero{position:relative;overflow:hidden;background:linear-gradient(115deg,#06182d 0%,#082849 48%,#0d3f69 100%);color:#fff;min-height:590px}.hero:before{content:"";position:absolute;inset:-15% -5% auto 45%;height:730px;border-radius:50%;background:radial-gradient(circle at 60% 46%,rgba(31,182,255,.24),rgba(10,54,94,.08) 42%,transparent 64%),repeating-radial-gradient(circle at 52% 48%,transparent 0 49px,rgba(108,211,255,.11) 50px 51px);transform:rotate(-8deg)}.hero:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:55px 55px;mask-image:linear-gradient(90deg,#000,transparent 65%)}.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;align-items:center;min-height:590px;gap:50px}.eyebrow{text-transform:uppercase;letter-spacing:2.2px;font-size:12px;font-weight:800;color:#50cfff}.hero h1{font-size:64px;line-height:1.02;letter-spacing:-2.2px;margin:14px 0 22px;max-width:790px}.hero h1 span{color:#49c8ff}.hero p{font-size:19px;color:#d5e6f3;max-width:680px;margin:0 0 28px}.hero-actions{display:flex;gap:13px;flex-wrap:wrap}.hero-actions .btn-ghost{border-color:rgba(255,255,255,.45);background:rgba(255,255,255,.05);color:#fff}.trustline{display:flex;gap:26px;flex-wrap:wrap;margin-top:31px;font-size:14px;color:#d9e8f4}.trustline b{display:inline-flex;align-items:center;gap:7px}.check{width:19px;height:19px;background:#1faee7;color:#fff;border-radius:50%;display:inline-grid;place-items:center;font-size:11px}.globe{position:relative;height:440px}.planet{position:absolute;width:510px;height:510px;border-radius:50%;right:-160px;top:-35px;background:radial-gradient(circle at 36% 34%,#2f91c7 0 6%,#0a4f80 27%,#062642 59%,#03101e 70%),repeating-radial-gradient(circle at 50% 50%,transparent 0 33px,rgba(130,220,255,.08) 34px 35px);box-shadow:inset -70px -20px 100px #020a12,0 0 90px rgba(18,145,214,.32)}.planet:after{content:"";position:absolute;inset:7%;border-radius:50%;background:linear-gradient(31deg,transparent 47%,rgba(255,211,118,.55) 48% 48.5%,transparent 49%),linear-gradient(-24deg,transparent 48%,rgba(68,206,255,.45) 49% 49.3%,transparent 50%)}.orbit{position:absolute;border:1px solid rgba(94,211,255,.45);border-radius:50%;transform:rotate(-24deg)}.orbit.o1{width:560px;height:235px;right:-170px;top:105px}.orbit.o2{width:475px;height:180px;right:-90px;top:142px;transform:rotate(16deg)}.hero-panel{position:absolute;right:3px;bottom:46px;width:310px;background:rgba(4,26,48,.82);border:1px solid rgba(126,211,255,.23);box-shadow:0 25px 65px rgba(0,0,0,.28);padding:23px;border-radius:12px;backdrop-filter:blur(7px)}.hero-panel h3{margin:0 0 13px;font-size:18px}.hero-panel ul{margin:0;padding:0;list-style:none}.hero-panel li{padding:9px 0;border-bottom:1px solid rgba(255,255,255,.1);color:#d7e7f3;font-size:14px}.hero-panel li:last-child{border:0}.service-strip{border-bottom:1px solid var(--line);background:#fff}.service-strip .wrap{display:grid;grid-template-columns:repeat(5,1fr)}.strip-item{padding:24px 20px;border-right:1px solid var(--line);display:flex;gap:13px;align-items:center}.strip-item:last-child{border-right:0}.ico{width:43px;height:43px;border-radius:10px;background:var(--sky);display:grid;place-items:center;color:var(--blue2);font-size:22px;flex:0 0 auto}.strip-item strong{display:block;font-size:14px}.strip-item span{color:var(--muted);font-size:12px;display:block}.section{padding:82px 0}.section.gray{background:var(--bg)}.headrow{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:32px}.kicker{color:var(--blue2);font-size:12px;letter-spacing:1.8px;text-transform:uppercase;font-weight:800}.section h2{font-size:40px;line-height:1.12;letter-spacing:-1.1px;color:var(--navy);margin:8px 0 13px}.lead{font-size:17px;color:var(--muted);max-width:760px;margin:0}.services{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:27px;box-shadow:0 6px 22px rgba(7,26,47,.035);transition:.2s ease}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c7e7f7}.card h3{margin:15px 0 8px;color:var(--navy);font-size:21px}.card p{margin:0 0 18px;color:var(--muted);font-size:15px}.link{color:var(--blue2);font-weight:750;font-size:14px}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center}.visual{min-height:410px;border-radius:14px;background:linear-gradient(145deg,#0a2745,#0d4771);position:relative;overflow:hidden;box-shadow:var(--shadow)}.visual:before{content:"";position:absolute;width:310px;height:310px;border-radius:50%;right:-60px;top:-60px;border:1px solid rgba(83,209,255,.25);box-shadow:0 0 0 42px rgba(83,209,255,.045),0 0 0 84px rgba(83,209,255,.035)}.server-rack{position:absolute;left:45px;top:45px;width:55%;height:315px;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.rack{background:#061525;border:1px solid #1b5278;border-radius:5px;padding:10px}.rack i{height:7px;background:#163d59;display:block;margin:10px 0;border-radius:2px;position:relative}.rack i:after{content:"";width:4px;height:4px;border-radius:50%;background:#40d6ff;position:absolute;right:5px;top:1.5px;box-shadow:-9px 0 #43d982}.metricbox{position:absolute;right:22px;bottom:25px;background:#fff;border-radius:10px;padding:17px 21px;color:var(--navy);box-shadow:var(--shadow)}.metricbox b{font-size:30px;color:var(--blue2)}.ticklist{padding:0;margin:25px 0;list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:13px}.ticklist li{font-size:14px;font-weight:650}.ticklist li:before{content:"✓";color:var(--green);font-weight:900;margin-right:8px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-top:35px}.stat{background:#fff;padding:27px}.stat b{font-size:33px;color:var(--blue2);display:block}.stat span{font-size:13px;color:var(--muted)}.sector-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.sector{min-height:220px;padding:25px;border-radius:12px;color:#fff;background:linear-gradient(145deg,#0c2d4c,#153d5d);position:relative;overflow:hidden}.sector:nth-child(2){background:linear-gradient(145deg,#163852,#0b5371)}.sector:nth-child(3){background:linear-gradient(145deg,#14253d,#225076)}.sector:nth-child(4){background:linear-gradient(145deg,#0b304f,#195c75)}.sector:after{content:"";position:absolute;width:140px;height:140px;border-radius:50%;right:-35px;bottom:-45px;border:1px solid rgba(255,255,255,.16)}.sector h3{position:relative;z-index:1;font-size:20px;margin:55px 0 8px}.sector p{position:relative;z-index:1;color:#d6e6ef;font-size:14px}.bloggrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.blogcard{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}.blogimg{height:180px;background:linear-gradient(140deg,#071a2f,#136b9a);position:relative}.blogimg:before{content:"";position:absolute;inset:22px;background:linear-gradient(90deg,transparent 49%,rgba(84,214,255,.22) 50% 51%,transparent 52%),linear-gradient(transparent 49%,rgba(84,214,255,.18) 50% 51%,transparent 52%);background-size:35px 35px}.blogcard .body{padding:22px}.blogcard h3{font-size:19px;line-height:1.3;margin:6px 0 10px}.meta{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.7px}.cta{background:linear-gradient(110deg,#071a2f,#0c4771);color:#fff;border-radius:16px;padding:46px 52px;display:flex;align-items:center;justify-content:space-between;gap:40px}.cta h2{color:#fff;margin:0 0 7px}.cta p{color:#d5e6f3;margin:0}.footer{background:#061627;color:#bcd0df;padding:62px 0 22px}.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:45px}.footer h4{color:#fff;margin:0 0 15px}.footer ul{list-style:none;margin:0;padding:0}.footer li{margin:9px 0;font-size:14px}.footer .brand-name{color:#fff}.fine{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;margin-top:45px;font-size:12px;display:flex;justify-content:space-between;gap:20px}.pagehero{background:linear-gradient(115deg,#06182d,#0d355a);color:#fff;padding:80px 0}.pagehero h1{font-size:48px;line-height:1.08;margin:8px 0 16px;letter-spacing:-1.3px}.pagehero p{font-size:18px;color:#d5e6f3;max-width:780px;margin:0}.breadcrumbs{font-size:12px;color:#a9c8dc}.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:55px;align-items:start}.prose h2{font-size:32px;color:var(--navy);margin-top:40px;line-height:1.15}.prose h3{font-size:22px;color:var(--navy);margin-top:28px}.prose p,.prose li{color:#405970}.prose ul{padding-left:20px}.sidebar{position:sticky;top:110px}.sidebox{background:#f5f9fc;border:1px solid var(--line);border-radius:12px;padding:22px;margin-bottom:18px}.sidebox h3{margin-top:0;font-size:18px}.sidebox a{display:block;border-top:1px solid var(--line);padding:10px 0;font-size:14px;color:#2b4b68}.faq details{border-bottom:1px solid var(--line);padding:18px 0}.faq summary{font-weight:750;cursor:pointer;color:var(--navy)}.faq details p{margin-bottom:0}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:35px}.form{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:30px;border-radius:12px}.field{margin-bottom:15px}.field label{display:block;font-size:13px;font-weight:700;margin-bottom:5px}.field input,.field textarea,.field select{width:100%;border:1px solid #cbd9e5;border-radius:7px;padding:12px;font:inherit}.field textarea{min-height:130px;resize:vertical}.searchbox{display:flex;gap:8px;margin:24px 0}.searchbox input{flex:1;border:1px solid #cbd9e5;border-radius:8px;padding:13px}.article-list{display:grid;gap:14px}.article-row{border:1px solid var(--line);border-radius:10px;padding:20px}.article-row h3{margin:0 0 6px}.article-row p{margin:0;color:var(--muted);font-size:14px}
@media(max-width:950px){.menu,.nav-cta{display:none}.hamb{display:block}.nav.open .menu{display:flex;position:absolute;left:0;right:0;top:82px;background:#fff;flex-direction:column;align-items:flex-start;padding:25px 30px;border-bottom:1px solid var(--line)}.nav.open .menu a{padding:8px 0}.hero .wrap{grid-template-columns:1fr}.hero h1{font-size:50px}.globe{display:none}.service-strip .wrap{grid-template-columns:repeat(2,1fr)}.services{grid-template-columns:repeat(2,1fr)}.about-grid,.content-grid,.contact-grid{grid-template-columns:1fr}.sidebar{position:static}.sector-grid{grid-template-columns:repeat(2,1fr)}.bloggrid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.stats{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.wrap{width:min(100% - 26px,1180px)}.topbar .right{display:none}.topbar .wrap{justify-content:center}.nav{height:70px}.brand-name{font-size:24px}.brand-mark{width:36px;height:36px}.brand-tag{font-size:8px}.hero,.hero .wrap{min-height:540px}.hero h1{font-size:40px;letter-spacing:-1px}.hero p{font-size:16px}.service-strip .wrap,.services,.sector-grid,.bloggrid,.footer-grid,.stats{grid-template-columns:1fr}.strip-item{border-right:0;border-bottom:1px solid var(--line)}.about-grid{gap:35px}.section{padding:58px 0}.section h2{font-size:32px}.pagehero h1{font-size:38px}.cta{padding:34px 28px;display:block}.cta .btn{margin-top:20px}.ticklist{grid-template-columns:1fr}.fine{display:block}}

/* Knowledge base V2 */
.article-meta{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px;font-size:13px;color:#bcd6e7}.longform .intro{font-size:18px;color:#29455f;border-left:4px solid var(--blue2);padding-left:20px}.longform .checklist{list-style:none;padding:0;margin:18px 0 26px}.longform .checklist li{padding:9px 0 9px 30px;border-bottom:1px solid #edf2f6;position:relative}.longform .checklist li:before{content:"✓";position:absolute;left:4px;color:var(--green);font-weight:900}.article-cta{margin:48px 0;padding:30px;border-radius:14px;background:linear-gradient(120deg,#f1f8fd,#fff);border:1px solid #dbeaf4;display:flex;justify-content:space-between;align-items:center;gap:28px}.article-cta h2{font-size:27px;margin:5px 0 8px}.article-cta p{margin:0}.kb-stats{display:flex;gap:35px;flex-wrap:wrap;margin-top:26px;color:#c9ddea}.kb-stats b{font-size:23px;color:#fff;margin-right:6px}.featured-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature-article{padding:27px;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:0 8px 28px rgba(7,26,47,.05)}.feature-article h3{font-size:22px;line-height:1.25;margin:8px 0 12px}.feature-article p{color:var(--muted)}.kb-toolbar{margin-bottom:30px}.kb-filters{display:flex;gap:8px;flex-wrap:wrap}.kb-filter{border:1px solid #cbd9e5;background:#fff;border-radius:999px;padding:8px 13px;color:#35516b;font-weight:650;cursor:pointer}.kb-filter.active,.kb-filter:hover{background:var(--navy);color:#fff;border-color:var(--navy)}.kb-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.kb-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:23px;box-shadow:0 5px 18px rgba(7,26,47,.035);transition:.2s}.kb-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.kb-card-top{display:flex;justify-content:space-between;gap:12px}.readtime{font-size:11px;color:var(--muted)}.kb-card h3{font-size:20px;line-height:1.28;margin:10px 0}.kb-card p{color:var(--muted);font-size:14px}.kb-card[hidden]{display:none}.prose a:not(.btn){color:var(--blue2);text-decoration:underline;text-underline-offset:3px}
@media(max-width:950px){.featured-grid,.kb-grid{grid-template-columns:repeat(2,1fr)}.article-cta{align-items:flex-start;flex-direction:column}}
@media(max-width:620px){.featured-grid,.kb-grid{grid-template-columns:1fr}.article-meta{gap:9px}.kb-stats{gap:14px}.article-cta{padding:24px}}

/* Interstern multilingual UI */
.lang-switch{position:relative;margin-left:10px;z-index:60}.lang-btn{border:1px solid #dbe5ef;background:#fff;color:#071a2f;border-radius:9px;padding:9px 11px;font:inherit;font-weight:700;cursor:pointer;min-width:76px}.lang-menu{display:none;position:absolute;right:0;top:calc(100% + 8px);width:250px;max-height:390px;overflow:auto;background:#fff;border:1px solid #dbe5ef;border-radius:12px;box-shadow:0 18px 50px rgba(7,26,47,.16);padding:8px}.lang-switch.open .lang-menu{display:grid}.lang-menu a{display:flex;justify-content:space-between;gap:10px;padding:9px 10px;border-radius:8px;color:#17324f;text-decoration:none;font-size:14px}.lang-menu a:hover,.lang-menu a.active{background:#edf6ff;color:#006ee6}.lang-code{font-size:11px;text-transform:uppercase;opacity:.6}.translation-note{display:none}.rtl{direction:rtl}.rtl .menu,.rtl .footer-grid,.rtl .about-grid,.rtl .headrow{text-align:right}@media(max-width:980px){.lang-switch{margin-left:auto;margin-right:8px}.lang-menu{right:auto;left:0}.nav-cta{display:none}}