:root{
  --ocean-black:#05070d;
  --deep-blue:#0a1f33;
  --steel-grey:#2f3e46;
  --aqua-glow:#00b4d8;
  --ice-blue:#90e0ef;
  --metallic:#adb5bd;
  --glass:rgba(255,255,255,0.05);
  --glass-border:rgba(144,224,239,0.15);
  --text:#dde7ef;
  --text-dim:#8a9aab;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',sans-serif;
  background:var(--ocean-black);
  color:var(--text);
  line-height:1.6;
  overflow-x:hidden;
  background-image:
    radial-gradient(ellipse at top,rgba(0,180,216,0.08),transparent 50%),
    radial-gradient(ellipse at bottom,rgba(10,31,51,0.6),transparent 60%);
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s}

.container{max-width:1240px;margin:0 auto;padding:0 28px}
.container.narrow{max-width:820px}

h1,h2,h3,h4{font-family:'Orbitron',sans-serif;letter-spacing:0.5px;line-height:1.15;color:#f1f8fc}
h1{font-size:clamp(2.4rem,5vw,4.4rem);font-weight:800}
h2{font-size:clamp(1.8rem,3.4vw,2.8rem);font-weight:700;margin-bottom:.6rem}
h3{font-size:1.25rem;font-weight:600;margin-bottom:.5rem;font-family:'Rajdhani',sans-serif;letter-spacing:1px}
h4{font-family:'Rajdhani',sans-serif;font-size:1rem;letter-spacing:1.5px;text-transform:uppercase;color:var(--ice-blue);margin-bottom:1rem}
p{color:var(--text-dim);margin-bottom:.6rem}

.gradient-text{
  background:linear-gradient(135deg,var(--ice-blue),var(--aqua-glow));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

.eyebrow{
  display:inline-block;
  font-family:'Rajdhani',sans-serif;
  font-size:.85rem;letter-spacing:3px;text-transform:uppercase;
  color:var(--aqua-glow);margin-bottom:1rem;
  padding:.4rem .9rem;border:1px solid var(--glass-border);
  border-radius:30px;background:var(--glass);backdrop-filter:blur(10px);
}

/* GLOBAL FOLLOWING SUBMARINE — visible across the entire site,
   freely roams horizontally AND vertically with the cursor,
   and visibly drifts in flow with the bubble animation */
.global-submarine{
  position:fixed;
  top:50%;
  left:50%;
  width:30vw;
  max-width:480px;
  min-width:240px;
  z-index:3;
  pointer-events:none;
  opacity:.78;
  filter:drop-shadow(0 20px 50px rgba(0,0,0,0.6)) drop-shadow(0 0 50px rgba(0,180,216,0.35));
  will-change:transform;
  transform:translate(-50%,-50%);
  transition:opacity .4s ease;
}
.global-submarine img{
  width:100%;
  height:auto;
  border-radius:20px;
  filter:saturate(0.9) brightness(0.92) contrast(1.08);
  mask-image:radial-gradient(ellipse at center,#000 55%,transparent 100%);
  -webkit-mask-image:radial-gradient(ellipse at center,#000 55%,transparent 100%);
}
.global-submarine .global-sub-glow{
  position:absolute;inset:-20%;
  background:radial-gradient(circle,rgba(0,180,216,0.28),transparent 65%);
  z-index:-1;
  pointer-events:none;
  animation:subGlowPulse 4s ease-in-out infinite;
}
@keyframes subGlowPulse{
  0%,100%{opacity:.7;transform:scale(1)}
  50%{opacity:1;transform:scale(1.08)}
}

/* Stacking — header/footer above sub, content layered around it */
#siteHeader{
  position:fixed;
  z-index:100;
}
.site-footer{
  position:relative;
  z-index:5;
}
.hero,
.page-hero,
.section,
.coming-soon-page{
  position:relative;
  z-index:2;
}

/* Make all sections semi-transparent so the global submarine
   shows through across every page including the hero */
.section.alt,
.page-hero,
.coming-soon-page{
  background-color:transparent;
}
.section.alt{background:linear-gradient(180deg,rgba(6,16,28,0.65),rgba(5,7,13,0.65))}
.page-hero{
  background:
    radial-gradient(ellipse at top,rgba(0,180,216,0.12),transparent 50%),
    linear-gradient(180deg,rgba(7,20,37,0.5),rgba(5,7,13,0.55));
}
.coming-soon-page{
  background:
    radial-gradient(ellipse at center,rgba(0,180,216,0.15),transparent 60%),
    linear-gradient(180deg,rgba(7,20,37,0.55),rgba(5,7,13,0.6));
}

/* HEADER */
#siteHeader{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:18px 0;transition:all .3s;
  background:rgba(5,7,13,0.4);backdrop-filter:blur(18px) saturate(150%);
  border-bottom:1px solid rgba(144,224,239,0.05);
}
#siteHeader.scrolled{
  background:rgba(5,7,13,0.85);
  border-bottom:1px solid var(--glass-border);
  padding:12px 0;
}
.header-inner{
  max-width:1240px;margin:0 auto;padding:0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:30px;
}
.logo{display:flex;align-items:center;gap:10px;font-family:'Orbitron',sans-serif;font-weight:900;letter-spacing:2px;font-size:1.05rem;color:#fff}
.logo-mark{color:var(--aqua-glow);font-size:1.4rem;text-shadow:0 0 18px var(--aqua-glow)}
.main-nav{display:flex;align-items:center;gap:32px}
.main-nav a{font-family:'Rajdhani',sans-serif;font-weight:500;letter-spacing:1.5px;font-size:.92rem;color:var(--text-dim);text-transform:uppercase;position:relative}
.main-nav a:hover,.main-nav a.active{color:var(--ice-blue)}
.main-nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:1px;background:var(--aqua-glow);box-shadow:0 0 8px var(--aqua-glow)}
.nav-cta{padding:10px 20px;border:1px solid var(--glass-border);border-radius:30px;background:var(--glass);color:var(--ice-blue)!important}
.nav-cta:hover{background:rgba(0,180,216,0.15);border-color:var(--aqua-glow)}

.menu-toggle{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;padding:6px}
.menu-toggle span{width:24px;height:2px;background:var(--ice-blue);display:block}

/* HERO */
.hero{
  position:relative;min-height:100vh;
  display:flex;align-items:center;
  padding:140px 0 80px;
  overflow:hidden;
}
.hero-bg{position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(ellipse at 50% 0%,rgba(0,180,216,0.15),transparent 60%),
    linear-gradient(180deg,rgba(7,20,37,0.85) 0%,rgba(5,7,13,0.85) 80%);
}
.light-rays{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(144,224,239,0.07) 0%,transparent 60%),
    repeating-linear-gradient(180deg,transparent 0,transparent 80px,rgba(144,224,239,0.03) 80px,rgba(144,224,239,0.03) 81px);
  mix-blend-mode:screen;
}
.bubbles{position:absolute;inset:0;pointer-events:none;overflow:hidden;z-index:1}
.bubbles span{
  position:absolute;bottom:-40px;
  width:10px;height:10px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,0.6),rgba(144,224,239,0.1) 60%,transparent);
  box-shadow:0 0 12px rgba(144,224,239,0.4);
  animation:bubble linear infinite;
  opacity:.6;
}
.bubbles span:nth-child(1){left:5%;width:8px;height:8px;animation-duration:14s;animation-delay:0s}
.bubbles span:nth-child(2){left:15%;width:14px;height:14px;animation-duration:18s;animation-delay:2s}
.bubbles span:nth-child(3){left:28%;width:6px;height:6px;animation-duration:11s;animation-delay:4s}
.bubbles span:nth-child(4){left:42%;width:12px;height:12px;animation-duration:16s;animation-delay:1s}
.bubbles span:nth-child(5){left:55%;width:9px;height:9px;animation-duration:13s;animation-delay:3s}
.bubbles span:nth-child(6){left:68%;width:16px;height:16px;animation-duration:20s;animation-delay:5s}
.bubbles span:nth-child(7){left:78%;width:7px;height:7px;animation-duration:12s;animation-delay:2s}
.bubbles span:nth-child(8){left:88%;width:11px;height:11px;animation-duration:17s;animation-delay:0s}
.bubbles span:nth-child(9){left:35%;width:5px;height:5px;animation-duration:10s;animation-delay:6s}
.bubbles span:nth-child(10){left:62%;width:13px;height:13px;animation-duration:15s;animation-delay:7s}
@keyframes bubble{
  0%{transform:translateY(0) translateX(0);opacity:0}
  10%{opacity:.6}
  90%{opacity:.5}
  100%{transform:translateY(-120vh) translateX(20px);opacity:0}
}

.hero-content{
  position:relative;z-index:4;
  max-width:1240px;margin:0 auto;padding:0 28px;
  width:100%;
}
.hero-badge{
  display:inline-block;font-family:'Rajdhani',sans-serif;font-size:.8rem;letter-spacing:2.5px;
  color:var(--ice-blue);padding:.45rem 1rem;border:1px solid var(--glass-border);
  border-radius:30px;background:var(--glass);backdrop-filter:blur(10px);margin-bottom:1.5rem;
}
.hero h1{margin-bottom:1.2rem;text-shadow:0 0 60px rgba(0,180,216,0.2)}
.hero-sub{font-size:1.15rem;max-width:620px;color:#c8d6e2;margin-bottom:1rem}
.hero-notice{
  font-size:.95rem;color:var(--ice-blue);
  padding:1rem 1.4rem;border-left:2px solid var(--aqua-glow);
  background:rgba(0,180,216,0.06);max-width:640px;margin-bottom:2rem;
  backdrop-filter:blur(8px);border-radius:0 8px 8px 0;
}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.btn-primary{
  display:inline-block;padding:14px 32px;
  background:linear-gradient(135deg,var(--aqua-glow),#0077b6);
  color:#fff;font-family:'Rajdhani',sans-serif;font-weight:600;letter-spacing:2px;
  text-transform:uppercase;font-size:.9rem;border:none;cursor:pointer;
  border-radius:6px;transition:all .3s;
  box-shadow:0 8px 30px rgba(0,180,216,0.3);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 40px rgba(0,180,216,0.45)}
.btn-ghost{
  display:inline-block;padding:14px 28px;
  border:1px solid var(--glass-border);border-radius:6px;
  font-family:'Rajdhani',sans-serif;font-weight:500;letter-spacing:2px;
  text-transform:uppercase;font-size:.9rem;color:var(--ice-blue);
  background:var(--glass);backdrop-filter:blur(10px);transition:all .3s;
}
.btn-ghost:hover{border-color:var(--aqua-glow);color:#fff}

/* Original hero submarine kept hidden — replaced by global submarine */
.hero-submarine{display:none}
.sub-glow{
  position:absolute;inset:-20%;
  background:radial-gradient(circle,rgba(0,180,216,0.25),transparent 60%);
  z-index:-1;
}
@keyframes subFloat{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-10px)}
}

.scroll-indicator{
  position:absolute;bottom:30px;left:50%;transform:translateX(-50%);
  z-index:4;display:flex;flex-direction:column;align-items:center;gap:10px;
  font-family:'Rajdhani',sans-serif;font-size:.75rem;letter-spacing:3px;
  color:var(--text-dim);text-transform:uppercase;
}
.scroll-line{width:1px;height:50px;background:linear-gradient(180deg,var(--aqua-glow),transparent);position:relative;overflow:hidden}
.scroll-line::after{content:"";position:absolute;top:0;left:0;right:0;height:15px;background:var(--aqua-glow);animation:scrollDown 2s infinite}
@keyframes scrollDown{0%{transform:translateY(-100%)}100%{transform:translateY(400%)}}

/* SECTIONS */
.section{padding:110px 0;position:relative}
.section-head{text-align:center;max-width:780px;margin:0 auto 60px}
.section-head p{font-size:1.05rem;margin-top:1rem}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}

.glass-card{
  background:var(--glass);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(18px);
  border-radius:14px;
  padding:30px;
  transition:all .35s;
  position:relative;overflow:hidden;
}
.glass-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--ice-blue),transparent);
  opacity:.4;
}
.glass-card:hover{transform:translateY(-6px);border-color:var(--aqua-glow);background:rgba(0,180,216,0.05)}
.card-img{margin:-30px -30px 25px;aspect-ratio:16/10;overflow:hidden;border-radius:14px 14px 0 0}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s}
.glass-card:hover .card-img img{transform:scale(1.06)}

/* STEPS */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;position:relative}
.step{
  background:var(--glass);border:1px solid var(--glass-border);
  border-radius:14px;padding:40px 30px;backdrop-filter:blur(14px);
  position:relative;
}
.step-num{
  font-family:'Orbitron',sans-serif;font-weight:900;font-size:3rem;
  background:linear-gradient(135deg,var(--aqua-glow),rgba(0,180,216,0.15));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:.6rem;
}

/* MODELS PREVIEW */
.model-card{
  background:var(--glass);border:1px solid var(--glass-border);
  border-radius:14px;overflow:hidden;backdrop-filter:blur(14px);
  transition:all .35s;
}
.model-card:hover{transform:translateY(-6px);border-color:var(--aqua-glow)}
.model-card img{aspect-ratio:4/3;object-fit:cover;width:100%}
.model-info{padding:24px}
.model-tag{
  display:inline-block;font-family:'Rajdhani',sans-serif;
  font-size:.7rem;letter-spacing:3px;color:var(--aqua-glow);
  border:1px solid var(--aqua-glow);padding:3px 10px;border-radius:30px;
  margin-bottom:.8rem;
}

/* FEATURES */
.feature{
  text-align:center;padding:40px 30px;
  background:var(--glass);border:1px solid var(--glass-border);
  border-radius:14px;backdrop-filter:blur(14px);
  transition:all .35s;
}
.feature:hover{transform:translateY(-6px);border-color:var(--aqua-glow)}
.feature-icon{
  width:60px;height:60px;margin:0 auto 20px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.8rem;font-family:'Orbitron',sans-serif;
  background:linear-gradient(135deg,rgba(0,180,216,0.15),rgba(0,180,216,0.05));
  border:1px solid var(--glass-border);border-radius:50%;
  color:var(--aqua-glow);
}

/* COMING SOON BANNER */
.coming-soon-banner{padding:60px 0 110px}
.banner-glass{
  background:linear-gradient(135deg,rgba(0,180,216,0.08),rgba(10,31,51,0.4));
  border:1px solid var(--glass-border);
  backdrop-filter:blur(20px);
  border-radius:20px;padding:60px 40px;text-align:center;
  position:relative;overflow:hidden;
}
.banner-glass::before{
  content:"";position:absolute;inset:-50%;
  background:radial-gradient(circle,rgba(0,180,216,0.15),transparent 60%);
  pointer-events:none;
}
.notify-form{
  display:flex;gap:10px;max-width:480px;margin:30px auto 0;
  position:relative;z-index:1;
}
.notify-form input{
  flex:1;padding:14px 18px;background:rgba(5,7,13,0.6);
  border:1px solid var(--glass-border);border-radius:8px;
  color:#fff;font-family:'Inter',sans-serif;font-size:.95rem;outline:none;
}
.notify-form input:focus{border-color:var(--aqua-glow)}
.notify-form button{
  padding:14px 26px;background:linear-gradient(135deg,var(--aqua-glow),#0077b6);
  color:#fff;border:none;border-radius:8px;cursor:pointer;
  font-family:'Rajdhani',sans-serif;font-weight:600;letter-spacing:1.5px;
  text-transform:uppercase;font-size:.9rem;
}

/* PAGE HERO */
.page-hero{
  padding:180px 0 80px;
  text-align:center;
  position:relative;overflow:hidden;
}
.page-hero h1{margin-bottom:1.2rem}
.page-hero p{max-width:680px;margin:0 auto;font-size:1.1rem}

/* SPLIT */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.split.reverse .split-img{order:-1}
.split-img img{border-radius:16px;aspect-ratio:4/3;object-fit:cover;border:1px solid var(--glass-border)}
.check-list{list-style:none;margin-top:1.4rem}
.check-list li{
  padding:10px 0 10px 28px;color:var(--text-dim);position:relative;
  border-bottom:1px solid rgba(144,224,239,0.08);
}
.check-list li::before{content:"◈";position:absolute;left:0;color:var(--aqua-glow)}

/* MODEL DETAIL */
.model-detail{
  display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;
  padding:60px 0;border-bottom:1px solid var(--glass-border);
}
.model-detail:last-child{border-bottom:none}
.model-detail.reverse .model-detail-img{order:2}
.model-detail-img img{border-radius:16px;aspect-ratio:4/3;object-fit:cover}
.model-detail-text h2{margin:.6rem 0 1rem}
.specs{display:grid;grid-template-columns:repeat(2,1fr);gap:15px;margin-top:1.6rem}
.specs div{
  padding:14px 18px;background:var(--glass);border:1px solid var(--glass-border);
  border-radius:8px;backdrop-filter:blur(10px);
}
.specs span{display:block;font-family:'Rajdhani',sans-serif;font-size:.75rem;letter-spacing:2px;color:var(--text-dim);text-transform:uppercase;margin-bottom:4px}
.specs strong{font-family:'Orbitron',sans-serif;color:var(--ice-blue);font-size:1rem}

/* CONTACT */
.contact-block{margin-top:1.5rem;display:grid;gap:1.2rem}
.contact-block strong{display:block;font-family:'Rajdhani',sans-serif;font-size:.8rem;letter-spacing:2.5px;color:var(--aqua-glow);text-transform:uppercase;margin-bottom:4px}
.contact-form{
  background:var(--glass);border:1px solid var(--glass-border);
  border-radius:14px;padding:36px;backdrop-filter:blur(14px);
  display:grid;gap:14px;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.contact-form input,.contact-form textarea{
  padding:13px 16px;background:rgba(5,7,13,0.6);border:1px solid var(--glass-border);
  border-radius:8px;color:#fff;font-family:'Inter',sans-serif;font-size:.95rem;outline:none;
  resize:vertical;
}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--aqua-glow)}
.check{font-size:.85rem;color:var(--text-dim);display:flex;gap:8px;align-items:center}
.check a{color:var(--ice-blue);text-decoration:underline}

/* COMING SOON PAGE */
.coming-soon-page{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  text-align:center;padding:160px 0 100px;
  position:relative;overflow:hidden;
}
.coming-soon-page h1{margin-bottom:1.2rem}
.coming-soon-page p{max-width:600px;margin:0 auto 40px;font-size:1.1rem}
.countdown{
  display:flex;gap:20px;justify-content:center;margin:40px 0;flex-wrap:wrap;
}
.countdown div{
  background:var(--glass);border:1px solid var(--glass-border);backdrop-filter:blur(14px);
  border-radius:14px;padding:24px 28px;min-width:110px;
}
.countdown strong{
  display:block;font-family:'Orbitron',sans-serif;font-size:2.4rem;color:var(--ice-blue);
  text-shadow:0 0 20px rgba(0,180,216,0.4);
}
.countdown span{font-family:'Rajdhani',sans-serif;font-size:.78rem;letter-spacing:2.5px;color:var(--text-dim);text-transform:uppercase}
.notify-form.big{margin:40px auto 0}

/* LEGAL */
.legal h2{font-size:1.3rem;margin:2rem 0 .6rem;color:var(--ice-blue);font-family:'Rajdhani',sans-serif;letter-spacing:1px}
.legal h2:first-child{margin-top:0}
.legal p{color:#c0ccd6;line-height:1.75}

/* FOOTER */
.site-footer{
  background:linear-gradient(180deg,#040610,#02030a);
  border-top:1px solid var(--glass-border);
  padding:70px 0 0;margin-top:60px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:50px}
.footer-brand p{margin-top:1rem;font-size:.92rem}
.footer-col{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:var(--text-dim);font-size:.92rem;transition:color .25s}
.footer-col a:hover{color:var(--ice-blue)}
.footer-col p{font-size:.92rem;margin:0}
.footer-bottom{border-top:1px solid var(--glass-border);padding:24px 0;text-align:center}
.footer-bottom span{font-size:.85rem;color:var(--text-dim);font-family:'Rajdhani',sans-serif;letter-spacing:1px}

/* RESPONSIVE */
@media(max-width:960px){
  .main-nav{
    position:fixed;top:0;right:-100%;height:100vh;width:280px;
    background:rgba(5,7,13,0.97);backdrop-filter:blur(20px);
    flex-direction:column;align-items:flex-start;justify-content:center;
    padding:40px;gap:24px;transition:right .3s;
    border-left:1px solid var(--glass-border);
  }
  .main-nav.open{right:0}
  .menu-toggle{display:flex}
  .global-submarine{width:55vw;opacity:.55}
  .grid-3,.steps,.split,.model-detail,.footer-grid{grid-template-columns:1fr;gap:30px}
  .split.reverse .split-img,.model-detail.reverse .model-detail-img{order:0}
  .form-row{grid-template-columns:1fr}
  .section{padding:80px 0}
  .page-hero{padding:140px 0 60px}
}

@media(max-width:560px){
  .hero{padding:120px 0 60px;min-height:auto}
  .hero-cta{flex-direction:column}
  .btn-primary,.btn-ghost{width:100%;text-align:center}
  .notify-form{flex-direction:column}
  .countdown div{min-width:90px;padding:18px}
  .countdown strong{font-size:1.8rem}
  .global-submarine{width:70vw;opacity:.45}
}