:root{--ink:#07111b;--ink-2:#0b1926;--surface:#102333;--line:rgba(152,204,220,.2);--cyan:#6fe5ff;--cyan-soft:#b7f3ff;--orange:#ffb861;--muted:#91a9b6;--white:#f0f7f8;--display:'Rajdhani',sans-serif;--body:'Space Grotesk','Microsoft YaHei',sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--ink);color:var(--white);font-family:var(--body);font-size:16px;line-height:1.55}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit}.site-shell{overflow:hidden;background:var(--ink)}.topbar{height:78px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(24px,5vw,78px);position:absolute;top:0;left:0;right:0;z-index:10;border-bottom:1px solid rgba(180,224,235,.14);background:linear-gradient(180deg,rgba(4,13,22,.78),transparent)}.brand{display:flex;align-items:center;gap:12px;letter-spacing:.11em}.brand strong,.brand em{display:block;font-family:var(--display);font-style:normal;line-height:.9}.brand strong{font-size:18px;font-weight:700}.brand em{font-size:11px;letter-spacing:.28em;color:var(--cyan);margin-top:6px}.brand-mark{display:grid;grid-template-columns:repeat(3,5px);gap:3px;align-items:end;height:27px}.brand-mark span{display:block;background:var(--cyan);width:5px}.brand-mark span:nth-child(1){height:12px}.brand-mark span:nth-child(2){height:21px}.brand-mark span:nth-child(3){height:27px}.nav{display:flex;gap:clamp(20px,3vw,48px);margin-left:auto;margin-right:clamp(22px,3vw,50px)}.nav a{font-family:var(--display);font-size:15px;letter-spacing:.1em;color:#bdd1d8;transition:color .2s}.nav a:hover{color:var(--cyan)}.nav-cta,.button{display:inline-flex;align-items:center;gap:12px;font-family:var(--display);font-weight:700;letter-spacing:.08em;text-transform:uppercase;transition:transform .2s,background .2s,border-color .2s}.nav-cta{font-size:14px;color:var(--cyan)}.nav-cta svg,.button svg,.text-link svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.nav-cta:hover,.text-link:hover{transform:translateX(4px)}.menu-toggle{display:none;background:none;border:0;padding:8px}.menu-toggle span{display:block;width:24px;height:1px;background:var(--cyan);margin:6px}.hero{min-height:760px;height:100vh;max-height:960px;position:relative;isolation:isolate;display:flex;align-items:center;padding:clamp(120px,14vw,180px) clamp(24px,8vw,128px) 90px}.hero-image{position:absolute;inset:0;background-image:linear-gradient(90deg,rgba(4,14,24,.98) 0%,rgba(4,14,24,.8) 33%,rgba(4,14,24,.1) 76%),linear-gradient(0deg,rgba(4,14,24,.56),transparent 40%),url('assets/hero-naval.jpg');background-position:center;background-size:cover;z-index:-3}.hero-grid{position:absolute;inset:0;z-index:-2;opacity:.16;background-image:linear-gradient(rgba(117,207,230,.18) 1px,transparent 1px),linear-gradient(90deg,rgba(117,207,230,.18) 1px,transparent 1px);background-size:82px 82px;mask-image:linear-gradient(90deg,black,transparent 72%)}.hero-scan{position:absolute;width:500px;height:500px;border:1px solid rgba(111,229,255,.2);border-radius:50%;right:8vw;top:23%;opacity:.75}.hero-scan:after{content:'';position:absolute;width:50%;height:1px;background:linear-gradient(90deg,transparent,var(--cyan));left:50%;top:50%;transform-origin:left center;animation:scan 5s linear infinite}.hero-scan span{position:absolute;border:1px solid rgba(111,229,255,.16);border-radius:50%;inset:20%}.hero-scan span:nth-child(2){inset:40%}.hero-scan span:nth-child(3){inset:60%}@keyframes scan{to{transform:rotate(360deg)}}.hero-content{max-width:590px;position:relative;z-index:1}.eyebrow,.section-kicker{font-family:var(--display);letter-spacing:.18em;text-transform:uppercase;color:var(--cyan);font-size:12px;display:flex;align-items:center;gap:12px}.eyebrow-line{width:42px;height:1px;background:var(--cyan)}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-family:var(--display);line-height:.93;letter-spacing:-.02em}h1{font-size:clamp(68px,9vw,132px);font-weight:700;margin:26px 0 28px}.hero h1 span,h2 span{color:var(--cyan)}.hero-copy{max-width:470px;color:#b3c7ce;font-size:17px;line-height:1.8}.hero-actions{display:flex;align-items:center;gap:26px;margin-top:38px}.button{padding:15px 22px;border:1px solid transparent;font-size:14px}.button-primary{background:var(--orange);color:#08131c;box-shadow:0 0 28px rgba(255,184,97,.14)}.button-primary:hover{transform:translateY(-2px);background:#ffd18f}.button-quiet{border-color:rgba(183,243,255,.35);color:var(--cyan-soft)}.button-quiet:hover{border-color:var(--cyan);transform:translateY(-2px)}.hero-proof{display:flex;align-items:center;gap:10px;margin-top:56px;color:#8fa9b4;font-family:var(--display);font-size:12px;letter-spacing:.08em}.hero-proof i{height:13px;width:1px;background:var(--line);margin:0 5px}.live-dot{display:block;width:7px;height:7px;border-radius:50%;background:#63e49b;box-shadow:0 0 12px #63e49b}.hero-coordinates{position:absolute;bottom:40px;left:clamp(24px,8vw,128px);display:flex;gap:28px;color:#75919d;font:11px var(--display);letter-spacing:.15em}.hero-rail{position:absolute;right:36px;top:39%;display:flex;flex-direction:column;align-items:center;gap:16px}.rail-label{writing-mode:vertical-rl;font:10px var(--display);letter-spacing:.18em;color:#75919d;margin-bottom:10px}.rail-tick{display:block;width:18px;height:1px;background:#66818e}.rail-tick.active{width:34px;background:var(--cyan)}.download-band{padding:106px clamp(24px,8vw,128px) 124px;background:#0a1b29;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.section-kicker{color:#7699a5}.section-kicker span:first-child{color:var(--orange)}.download-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(45px,9vw,150px);align-items:end;margin-top:42px}.download-intro h2,.intel-heading h2,.fleet-top h2,.guide-copy h2,.faq-heading h2{font-size:clamp(48px,6vw,84px);margin:24px 0 22px}.download-intro p{max-width:390px;color:var(--muted);line-height:1.8}.download-meta{display:flex;gap:20px;margin-top:34px;color:#8db1bd;font:12px var(--display);letter-spacing:.1em;text-transform:uppercase}.download-meta span{padding-left:12px;border-left:1px solid var(--cyan)}.download-console{border-top:1px solid var(--cyan);background:rgba(19,47,63,.46);padding:25px 28px 26px}.console-top{display:flex;justify-content:space-between;align-items:center;font:12px var(--display);letter-spacing:.14em;color:#8eb3be}.console-status{color:#78e9b3}.console-status i{display:inline-block;width:6px;height:6px;border-radius:50%;background:#78e9b3;margin-right:7px}.platform-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin:24px 0 26px}.platform-tab{border:1px solid rgba(149,199,211,.18);background:rgba(7,17,27,.28);padding:17px 14px;text-align:left;cursor:pointer;display:grid;grid-template-columns:24px 1fr;column-gap:8px;align-items:center;transition:border .2s,background .2s}.platform-tab svg{grid-row:span 2;width:22px;height:22px;fill:none;stroke:#8faeba;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}.platform-tab span{font:600 15px var(--display);letter-spacing:.04em}.platform-tab small{font-size:11px;color:#7e9ba5;margin-top:4px}.platform-tab:hover,.platform-tab.active{border-color:var(--cyan);background:rgba(35,91,110,.3)}.platform-tab.active svg{stroke:var(--cyan)}.console-detail{display:grid;grid-template-columns:1fr 1fr auto;gap:28px;align-items:center;border-top:1px solid var(--line);padding-top:23px}.console-detail div{display:grid;gap:2px}.detail-label{font:11px var(--display);text-transform:uppercase;letter-spacing:.14em;color:#7998a3}.console-detail strong{font:22px var(--display);color:var(--white)}.console-detail small{color:#7896a0;font-size:11px}.console-detail .button{white-space:nowrap}.console-note{color:#7896a0;font-size:12px;margin:20px 0 0}.intel-section{padding:130px clamp(24px,8vw,128px);display:grid;grid-template-columns:.7fr 1.3fr;gap:clamp(50px,10vw,170px);background:var(--ink)}.intel-heading h2{margin-top:25px}.intel-heading p{color:var(--muted);max-width:270px;line-height:1.8}.intel-list{border-top:1px solid var(--line)}.intel-item{display:grid;grid-template-columns:92px 1fr 28px;gap:25px;padding:30px 0;border-bottom:1px solid var(--line);align-items:start;transition:padding .25s}.intel-item:hover{padding-left:12px}.intel-date{font-family:var(--display);color:var(--cyan);display:flex;flex-direction:column}.intel-date span{font-size:40px;line-height:.9}.intel-date small{font-size:11px;letter-spacing:.1em;color:#7896a0;margin-top:8px}.intel-type{font:12px var(--display);letter-spacing:.16em;color:var(--orange)}.intel-main h3{font-size:26px;margin:9px 0 10px}.intel-main p{color:#8ca8b3;font-size:14px;max-width:580px;margin:0}.intel-arrow{color:var(--cyan);font-size:23px}.fleet-section{padding:120px clamp(24px,8vw,128px);background:#d7e6e8;color:#0b202d}.fleet-top{display:flex;justify-content:space-between;align-items:end;gap:40px}.fleet-top .section-kicker{color:#3f7480}.fleet-top .section-kicker span:first-child{color:#cf7d32}.fleet-top h2{margin-bottom:0}.fleet-top h2 span{color:#1b7281}.fleet-top>p{max-width:360px;color:#54717a;margin:0;line-height:1.8}.fleet-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:55px}.fleet-card{min-height:380px;position:relative;overflow:hidden;background:#bdd0d3;border:1px solid rgba(19,55,66,.2);padding:22px;display:flex;flex-direction:column;justify-content:space-between}.fleet-card:nth-child(2){background:#abc6cb}.fleet-card:nth-child(3){background:#c7d7d8}.fleet-number{font:12px var(--display);letter-spacing:.13em;color:#4f7279}.fleet-card-art{position:absolute;inset:45px 0 70px;overflow:hidden}.radar-ring{position:absolute;width:230px;height:230px;border:1px solid rgba(35,101,111,.4);border-radius:50%;right:-45px;top:0}.radar-ring:after,.radar-ring:before{content:'';position:absolute;border:1px solid rgba(35,101,111,.25);border-radius:50%;inset:25px}.radar-ring:before{inset:52px}.silhouette{position:absolute;background:#224b5c;filter:drop-shadow(17px 22px 0 rgba(25,78,90,.17));transform:skewX(-20deg) rotate(-10deg)}.silhouette:after{content:'';position:absolute;background:#47737e}.carrier{width:250px;height:76px;right:13px;bottom:72px;border-radius:18px 50% 10px 15px}.carrier:after{width:180px;height:18px;left:30px;top:-16px;border-radius:8px}.destroyer{width:245px;height:46px;right:4px;bottom:94px;border-radius:14px 55% 6px 10px}.destroyer:after{width:44px;height:68px;left:90px;top:-44px;transform:skewX(19deg);border-radius:5px}.submarine{width:240px;height:45px;right:4px;bottom:75px;border-radius:50% 60% 45% 45%}.submarine:after{width:48px;height:35px;left:102px;top:-24px;border-radius:7px 7px 0 0}.fleet-card-info{position:relative;z-index:1}.fleet-card-info span{font:12px var(--display);letter-spacing:.14em;color:#4e747d}.fleet-card-info h3{font-size:34px;margin:7px 0 6px}.fleet-card-info p{font-size:13px;color:#58747c;margin:0}.fleet-card-line{position:absolute;left:22px;right:22px;bottom:18px;height:1px;background:rgba(26,76,89,.28)}.guide-section{position:relative;display:grid;grid-template-columns:1.1fr .9fr;min-height:650px;background:#091b28;overflow:hidden}.guide-map{position:relative;min-height:620px;background:radial-gradient(circle at 50% 52%,rgba(76,168,183,.23),transparent 18%),linear-gradient(135deg,transparent 48%,rgba(101,190,200,.12) 49%,transparent 50%),repeating-linear-gradient(62deg,rgba(101,190,200,.09) 0 1px,transparent 1px 55px)}.map-line{position:absolute;height:1px;background:var(--cyan);opacity:.48;transform-origin:left}.line-a{width:65%;top:37%;left:12%;transform:rotate(16deg)}.line-b{width:52%;top:58%;left:22%;transform:rotate(-22deg)}.line-c{width:45%;top:47%;left:30%;transform:rotate(74deg)}.map-pin{position:absolute;width:10px;height:10px;border:1px solid var(--orange);border-radius:50%;box-shadow:0 0 0 5px rgba(255,184,97,.15),0 0 20px var(--orange)}.pin-a{top:35%;left:12%}.pin-b{top:59%;left:73%}.pin-c{top:32%;left:63%}.guide-copy{padding:120px clamp(24px,8vw,110px) 90px 50px}.guide-copy h2{margin-top:25px}.guide-copy>p{color:var(--muted);max-width:380px;line-height:1.8}.guide-steps{margin-top:42px;border-top:1px solid var(--line)}.guide-steps>div{display:flex;gap:22px;padding:18px 0;border-bottom:1px solid var(--line)}.guide-steps b{font:14px var(--display);color:var(--orange)}.guide-steps span{display:grid;gap:3px}.guide-steps strong{font:600 16px var(--display);letter-spacing:.05em}.guide-steps small{font-size:12px;color:#7997a2}.text-link{display:inline-flex;gap:12px;align-items:center;margin-top:28px;color:var(--cyan);font:600 14px var(--display);letter-spacing:.06em}.faq-section{padding:120px clamp(24px,8vw,128px);display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(45px,10vw,150px);background:#0b1d2a}.faq-heading h2{margin-top:25px}.faq-list details{border-top:1px solid var(--line);padding:0}.faq-list details:last-child{border-bottom:1px solid var(--line)}.faq-list summary{list-style:none;cursor:pointer;padding:24px 0;font:600 19px var(--display);display:flex;justify-content:space-between;gap:20px}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary span{color:var(--cyan);font-size:24px;font-weight:400;transition:transform .2s}.faq-list details[open] summary span{transform:rotate(45deg)}.faq-list p{color:#8da6af;max-width:620px;font-size:14px;padding:0 38px 23px 0;margin:0}.final-cta{padding:90px clamp(24px,8vw,128px);display:flex;justify-content:space-between;align-items:center;gap:30px;background:var(--cyan);color:#06202c}.final-cta>div{position:relative;padding-left:86px}.final-mark{position:absolute;left:0;top:5px;color:rgba(6,32,44,.28);font:700 52px/1 var(--display);letter-spacing:-.08em}.final-cta h2{font-size:54px;margin:0 0 12px}.final-cta p{margin:0;color:#376473}.final-cta .button-primary{background:#07212c;color:var(--cyan)}.final-cta .button-primary:hover{background:#123c4a}.footer{padding:26px clamp(24px,8vw,128px);display:flex;align-items:center;justify-content:space-between;gap:20px;color:#63808b;font:11px var(--display);letter-spacing:.08em;border-top:1px solid var(--line)}.footer-brand{display:flex;align-items:center;gap:10px;color:#99b8c1}.footer .brand-mark{transform:scale(.7);transform-origin:left center;width:27px}.footer-brand>span:last-child{margin-left:-7px}.footer>span:last-child{color:#4b6772}@media(max-width:900px){.nav{gap:18px;margin-right:20px}.nav a:nth-child(n+3){display:none}.download-layout,.intel-section,.faq-section{grid-template-columns:1fr;gap:50px}.guide-section{grid-template-columns:1fr}.guide-map{min-height:380px}.guide-copy{padding:70px 24px 90px}.fleet-grid{grid-template-columns:1fr 1fr}.fleet-card:last-child{grid-column:1/-1}.final-cta h2{font-size:44px}}@media(max-width:620px){.topbar{height:68px;padding:0 20px}.nav,.nav-cta{display:none}.menu-toggle{display:block}.topbar.menu-open .nav{display:flex;position:absolute;top:68px;left:0;right:0;background:#07131f;padding:20px;flex-direction:column;border-bottom:1px solid var(--line);margin:0}.topbar.menu-open .nav a:nth-child(n){display:block}.hero{min-height:700px;padding:130px 22px 75px}.hero-image{background-position:62% center}.hero-scan{width:290px;height:290px;right:-95px;top:24%}.hero-rail{right:14px}.hero-coordinates{left:22px;bottom:28px;gap:12px;font-size:9px}.hero-copy{font-size:15px}.hero-actions{flex-direction:column;align-items:flex-start;gap:13px}.hero-proof{margin-top:34px;flex-wrap:wrap;max-width:300px}.download-band,.intel-section,.fleet-section,.faq-section{padding:80px 22px}.download-intro h2,.intel-heading h2,.fleet-top h2,.guide-copy h2,.faq-heading h2{font-size:52px}.download-meta{flex-wrap:wrap;gap:12px}.download-console{padding:20px 15px}.platform-tabs{gap:5px}.platform-tab{padding:12px 9px;display:block}.platform-tab svg{width:18px;height:18px;margin-bottom:8px}.platform-tab span{display:block;font-size:14px}.platform-tab small{font-size:10px}.console-detail{grid-template-columns:1fr 1fr;gap:18px}.console-detail .button{grid-column:1/-1;justify-content:center}.intel-item{grid-template-columns:58px 1fr 18px;gap:12px}.intel-date span{font-size:30px}.intel-main h3{font-size:21px}.intel-main p{font-size:13px}.fleet-top{display:block}.fleet-top>p{margin-top:25px}.fleet-grid{grid-template-columns:1fr}.fleet-card:last-child{grid-column:auto}.fleet-card{min-height:330px}.guide-map{min-height:300px}.final-cta{padding:70px 22px;display:block}.final-cta>div{padding-left:0}.final-mark{position:static;display:block;margin-bottom:13px}.final-cta h2{font-size:44px}.final-cta .button{margin-top:26px}.footer{padding:25px 22px;display:grid;grid-template-columns:1fr 1fr}.footer>span:nth-child(2){grid-column:1/-1;grid-row:2}.footer>span:last-child{justify-self:end}}
/* UX refinements: keep the mobile hero readable and surface install checks. */
.hero-content{width:min(100%,590px)}
.hero-image{background-image:linear-gradient(90deg,rgba(4,14,24,.98) 0%,rgba(4,14,24,.8) 33%,rgba(4,14,24,.1) 76%),linear-gradient(0deg,rgba(4,14,24,.56),transparent 40%),url('assets/hero-naval.webp')}
.device-check{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}
.device-check span{display:grid;gap:3px}
.device-check b{font:10px var(--display);letter-spacing:.16em;color:#7797a2}
.device-check strong{font:600 13px var(--display);color:var(--cyan-soft);white-space:nowrap}
.console-note{margin-top:16px}
@media(max-width:620px){
  .hero-content{width:100%;min-width:0}
  .hero-copy{width:100%;max-width:100%;overflow-wrap:anywhere}
  .device-check{gap:6px}
  .device-check strong{font-size:11px}
}