/* ============================================================
   NIXO — Cinematic Sci-Fi Stylesheet
   ============================================================ */
:root{
  --navy-900:#050a1a;
  --navy-800:#0a1430;
  --navy-700:#0d1b3e;
  --navy-600:#16244e;
  --cyan:#3ee0ff;
  --cyan-bright:#11d6ff;
  --cyan-deep:#0a8fd6;
  --violet:#7b6bff;
  --magenta:#ff4fd2;
  --white:#eaf4ff;
  --muted:#8aa3c8;
  --glass:rgba(20,38,78,0.35);
  --glass-brd:rgba(98,180,255,0.18);
  --neon-grad:linear-gradient(120deg,#3ee0ff 0%,#11b7ff 40%,#7b6bff 100%);
  --font-display:'Orbitron',sans-serif;
  --font-body:'Space Grotesk',sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:var(--navy-900);
  color:var(--white);
  overflow-x:hidden;
  cursor:none;
  line-height:1.6;
}
@media (max-width:820px){body{cursor:auto}}
a{color:inherit;text-decoration:none}
em{font-style:normal;color:var(--cyan);font-weight:500}
img{display:block}

/* ===== Background layers ===== */
#bg-canvas{position:fixed;inset:0;z-index:0;display:block}
.grid-overlay{
  position:fixed;inset:0;z-index:1;pointer-events:none;
  background-image:
    linear-gradient(rgba(62,224,255,0.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(62,224,255,0.04) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(ellipse at 50% 40%,#000 30%,transparent 80%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 40%,#000 30%,transparent 80%);
}
.vignette{
  position:fixed;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(ellipse at 50% 30%,transparent 40%,rgba(3,6,18,0.85) 100%);
}

/* ===== Custom cursor ===== */
.cursor{
  position:fixed;width:34px;height:34px;border:1px solid var(--cyan);
  border-radius:50%;z-index:9999;pointer-events:none;
  transform:translate(-50%,-50%);transition:width .25s,height .25s,background .25s,border-color .25s;
  mix-blend-mode:screen;
}
.cursor-dot{
  position:fixed;width:5px;height:5px;background:var(--cyan);border-radius:50%;
  z-index:9999;pointer-events:none;transform:translate(-50%,-50%);
  box-shadow:0 0 12px var(--cyan);
}
.cursor.hover{width:60px;height:60px;background:rgba(62,224,255,0.12);border-color:transparent}
@media (max-width:820px){.cursor,.cursor-dot{display:none}}

/* ===== Preloader ===== */
.preloader{
  position:fixed;inset:0;z-index:10000;background:var(--navy-900);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:26px;
  transition:opacity .8s ease,visibility .8s ease;
}
.preloader.done{opacity:0;visibility:hidden}
.preloader__core{position:relative;width:120px;height:120px;display:grid;place-items:center}
.preloader__ring{position:absolute;inset:0;width:120px;height:120px;transform:rotate(-90deg)}
.preloader__ring circle{
  fill:none;stroke:var(--cyan);stroke-width:2;
  stroke-dasharray:339;stroke-dashoffset:339;
  animation:ringspin 1.6s ease-in-out infinite;filter:drop-shadow(0 0 6px var(--cyan));
}
@keyframes ringspin{0%{stroke-dashoffset:339}50%{stroke-dashoffset:90}100%{stroke-dashoffset:339;transform:rotate(360deg)}}
.preloader__logo{width:54px;animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{0%,100%{transform:scale(1);filter:drop-shadow(0 0 8px rgba(62,224,255,.5))}50%{transform:scale(1.12);filter:drop-shadow(0 0 20px rgba(62,224,255,.9))}}
.preloader__bar{width:220px;height:2px;background:rgba(98,180,255,.18);border-radius:2px;overflow:hidden}
.preloader__bar span{display:block;height:100%;width:0;background:var(--neon-grad);box-shadow:0 0 12px var(--cyan)}
.preloader__text{font-family:var(--font-display);font-size:.7rem;letter-spacing:.35em;color:var(--muted)}
.dots::after{content:'';animation:dots 1.4s steps(4) infinite}
@keyframes dots{0%{content:''}25%{content:'.'}50%{content:'..'}75%{content:'...'}}

/* ===== Navbar ===== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  display:flex;align-items:center;justify-content:space-between;
  padding:22px 6vw;transition:padding .4s,background .4s,backdrop-filter .4s;
}
.nav.scrolled{
  padding:14px 6vw;background:rgba(8,16,40,0.55);backdrop-filter:blur(18px);
  border-bottom:1px solid var(--glass-brd);
}
.nav__brand{display:flex;align-items:center;gap:12px;font-family:var(--font-display);font-weight:900;font-size:1.3rem;letter-spacing:.18em}
.nav__brand img{width:34px;filter:drop-shadow(0 0 10px rgba(62,224,255,.45))}
.nav__links{display:flex;gap:34px}
.nav__links a{position:relative;font-size:.92rem;font-weight:500;color:var(--muted);transition:color .3s}
.nav__links a::after{content:'';position:absolute;left:0;bottom:-6px;width:0;height:1px;background:var(--cyan);box-shadow:0 0 8px var(--cyan);transition:width .35s}
.nav__links a:hover{color:var(--white)}
.nav__links a:hover::after,.nav__links a.active::after{width:100%}
.nav__links a.active{color:var(--white)}
.nav__cta{
  font-family:var(--font-display);font-size:.78rem;letter-spacing:.12em;
  padding:11px 22px;border:1px solid var(--cyan);border-radius:40px;color:var(--cyan);
  position:relative;overflow:hidden;transition:color .3s;
}
.nav__cta::before{content:'';position:absolute;inset:0;background:var(--neon-grad);transform:translateY(101%);transition:transform .4s cubic-bezier(.6,0,.2,1);z-index:-1}
.nav__cta:hover{color:#04122a}
.nav__cta:hover::before{transform:translateY(0)}
.nav__burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer}
.nav__burger span{width:26px;height:2px;background:var(--white);transition:.3s}

/* ===== Generic section ===== */
main{position:relative;z-index:2}
.section{padding:120px 6vw;position:relative}
.section__head{max-width:820px;margin:0 auto 60px;text-align:center}
.eyebrow{font-family:var(--font-display);font-size:.72rem;letter-spacing:.3em;color:var(--cyan);display:inline-block;margin-bottom:18px}
.section__title{font-family:var(--font-display);font-weight:700;font-size:clamp(1.8rem,4vw,3.1rem);line-height:1.15;letter-spacing:.01em}
.section__lead{margin-top:18px;color:var(--muted);font-size:1.05rem}

/* ===== Hero ===== */
.hero{
  min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:0 6vw;position:relative;z-index:2;
}
.hero__badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:9px 18px;border:1px solid var(--glass-brd);border-radius:40px;
  background:var(--glass);backdrop-filter:blur(10px);
  font-family:var(--font-display);font-size:.68rem;letter-spacing:.28em;color:var(--white);margin-bottom:34px;
}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 0 var(--cyan);animation:pdot 1.8s infinite}
@keyframes pdot{0%{box-shadow:0 0 0 0 rgba(62,224,255,.6)}70%{box-shadow:0 0 0 12px rgba(62,224,255,0)}100%{box-shadow:0 0 0 0 rgba(62,224,255,0)}}
.hero__title{font-family:var(--font-display);font-weight:900;font-size:clamp(2.6rem,8vw,6.4rem);line-height:1.02;letter-spacing:-.01em}
.hero__title .line{display:block;overflow:hidden}
.hero__title .line>span{display:block;transform:translateY(110%);opacity:0}
.hero__title .glow>span{background:var(--neon-grad);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 0 24px rgba(62,224,255,.35))}
.hero__sub{max-width:660px;margin:28px auto 40px;color:var(--muted);font-size:clamp(1rem,1.6vw,1.18rem)}
.hero__actions{display:flex;gap:18px;flex-wrap:wrap;justify-content:center}
.hero__scroll{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);font-family:var(--font-display);font-size:.62rem;letter-spacing:.3em;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:10px}
.hero__scroll span{width:1px;height:46px;background:linear-gradient(var(--cyan),transparent);position:relative;overflow:hidden}
.hero__scroll span::after{content:'';position:absolute;top:0;left:0;width:100%;height:14px;background:var(--cyan);animation:scrolldot 1.8s ease-in-out infinite;box-shadow:0 0 8px var(--cyan)}
@keyframes scrolldot{0%{transform:translateY(-16px)}100%{transform:translateY(48px)}}

/* ===== Buttons ===== */
.btn{
  position:relative;display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-display);font-size:.82rem;letter-spacing:.08em;
  padding:15px 30px;border-radius:44px;overflow:hidden;transition:transform .3s,box-shadow .3s,color .3s;
}
.btn i{font-style:normal;transition:transform .3s}
.btn:hover i{transform:translateX(5px)}
.btn--primary{background:var(--neon-grad);color:#04122a;box-shadow:0 8px 30px rgba(62,224,255,.28)}
.btn--primary:hover{box-shadow:0 12px 44px rgba(62,224,255,.5);transform:translateY(-3px)}
.btn--ghost{border:1px solid var(--glass-brd);background:var(--glass);backdrop-filter:blur(10px);color:var(--white)}
.btn--ghost:hover{border-color:var(--cyan);box-shadow:0 0 30px rgba(62,224,255,.2);transform:translateY(-3px)}

/* ===== Glass card base ===== */
.glass-card{
  position:relative;background:var(--glass);backdrop-filter:blur(18px);
  border:1px solid var(--glass-brd);border-radius:22px;overflow:hidden;
  transition:transform .4s cubic-bezier(.2,.8,.2,1),box-shadow .4s,border-color .4s;
}
.glass-card::before{
  content:'';position:absolute;inset:0;border-radius:22px;padding:1px;
  background:linear-gradient(140deg,rgba(62,224,255,.5),transparent 40%,transparent 60%,rgba(123,107,255,.4));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:.6;transition:opacity .4s;
}
.glass-card:hover{box-shadow:0 20px 60px rgba(0,12,40,.6);border-color:rgba(62,224,255,.4)}
.glass-card:hover::before{opacity:1}

/* ===== About ===== */
.about__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;max-width:1100px;margin:0 auto}
.about__card{padding:40px 32px}
.about__icon{font-size:2.2rem;color:var(--cyan);margin-bottom:20px;filter:drop-shadow(0 0 12px rgba(62,224,255,.6))}
.about__card h3{font-family:var(--font-display);font-size:1.15rem;margin-bottom:14px;font-weight:600}
.about__card p{color:var(--muted);font-size:.96rem}

/* ===== Products ===== */
.products__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;max-width:1180px;margin:0 auto}
.product{padding:34px 30px;min-height:280px;display:flex;flex-direction:column}
.product__no{font-family:var(--font-display);font-size:.72rem;color:var(--cyan);letter-spacing:.2em;opacity:.8}
.product__glyph{font-size:2.6rem;margin:16px 0 22px;filter:drop-shadow(0 0 16px rgba(62,224,255,.5))}
.product h3{font-family:var(--font-display);font-size:1.22rem;margin-bottom:12px;font-weight:600}
.product p{color:var(--muted);font-size:.94rem;flex:1}
.product__tag{margin-top:20px;font-size:.78rem;color:var(--cyan);font-family:var(--font-display);letter-spacing:.1em;display:inline-flex;align-items:center;gap:8px}
.product__tag::before{content:'';width:18px;height:1px;background:var(--cyan);box-shadow:0 0 6px var(--cyan)}

/* ===== Industries ===== */
.industries__rail{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;max-width:1200px;margin:0 auto}
.industry{
  position:relative;height:380px;border-radius:20px;overflow:hidden;
  border:1px solid var(--glass-brd);display:flex;flex-direction:column;justify-content:flex-end;
  padding:30px;transition:flex .5s,transform .4s;
}
.industry__bg{position:absolute;inset:0;z-index:0;opacity:.55;transition:opacity .5s,transform .8s}
.industry:hover .industry__bg{opacity:.85;transform:scale(1.08)}
.industry::after{content:'';position:absolute;inset:0;z-index:1;background:linear-gradient(transparent 20%,rgba(5,10,26,.92) 95%)}
.industry__content{position:relative;z-index:2}
.industry__glyph{font-size:2rem;margin-bottom:14px;filter:drop-shadow(0 0 12px rgba(62,224,255,.7))}
.industry h3{font-family:var(--font-display);font-size:1.1rem;margin-bottom:8px}
.industry p{color:var(--muted);font-size:.86rem;max-height:0;opacity:0;overflow:hidden;transition:max-height .5s,opacity .5s}
.industry:hover p{max-height:120px;opacity:1}

/* ===== Stats ===== */
.stats{padding:90px 6vw}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;max-width:1100px;margin:0 auto;text-align:center}
.stat__num{font-family:var(--font-display);font-weight:900;font-size:clamp(2.4rem,5vw,3.6rem);background:var(--neon-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat i{font-style:normal;font-family:var(--font-display);font-size:1.6rem;color:var(--cyan)}
.stat p{color:var(--muted);font-size:.9rem;margin-top:8px;letter-spacing:.02em}

/* ===== Contact ===== */
.contact__panel{max-width:820px;margin:0 auto;padding:54px 48px;text-align:center}
.contact__panel h2{font-family:var(--font-display);font-size:clamp(1.6rem,4vw,2.6rem);margin:16px 0 14px}
.contact__panel>p{color:var(--muted);max-width:560px;margin:0 auto 36px}
.contact__form{display:grid;grid-template-columns:1fr 1fr;gap:20px;text-align:left}
.field{position:relative}
.field--full{grid-column:1/-1}
.field input,.field textarea{
  width:100%;background:rgba(6,14,34,.5);border:1px solid var(--glass-brd);border-radius:12px;
  padding:18px 16px 8px;color:var(--white);font-family:var(--font-body);font-size:.96rem;resize:vertical;
  transition:border-color .3s,box-shadow .3s;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 22px rgba(62,224,255,.18)}
.field label{position:absolute;left:16px;top:16px;color:var(--muted);font-size:.92rem;pointer-events:none;transition:.25s}
.field input:focus+label,.field input:not(:placeholder-shown)+label,
.field textarea:focus+label,.field textarea:not(:placeholder-shown)+label{
  top:6px;font-size:.66rem;color:var(--cyan);letter-spacing:.08em;
}
.contact__form .btn{grid-column:1/-1;justify-content:center}
.contact__note{margin-top:20px;color:var(--cyan);font-size:.9rem;min-height:20px}

/* ===== Footer ===== */
.footer{position:relative;z-index:2;padding:70px 6vw 40px;border-top:1px solid var(--glass-brd);background:rgba(5,10,26,.6);backdrop-filter:blur(14px)}
.footer__top{display:flex;flex-direction:column;gap:14px;align-items:center;text-align:center;margin-bottom:34px}
.footer__top p{color:var(--muted);max-width:420px}
.footer__links{display:flex;gap:30px;justify-content:center;margin-bottom:30px}
.footer__links a{color:var(--muted);font-size:.9rem;transition:color .3s}
.footer__links a:hover{color:var(--cyan)}
.footer__bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:.78rem;border-top:1px solid rgba(98,180,255,.1);padding-top:24px;max-width:1200px;margin:0 auto}

/* ===== Reveal animations ===== */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .9s cubic-bezier(.2,.8,.2,1),transform .9s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ===== Responsive ===== */
@media (max-width:980px){
  .about__grid,.products__grid{grid-template-columns:1fr 1fr}
  .industries__rail{grid-template-columns:1fr 1fr}
  .stats__grid{grid-template-columns:1fr 1fr;gap:40px 20px}
}
@media (max-width:760px){
  .nav__links,.nav__cta{
    position:fixed;top:0;right:0;height:100vh;width:74%;max-width:320px;
    flex-direction:column;justify-content:center;gap:30px;
    background:rgba(8,16,40,.96);backdrop-filter:blur(20px);
    transform:translateX(100%);transition:transform .5s cubic-bezier(.6,0,.2,1);padding:0 40px;
  }
  .nav__links{z-index:998;align-items:flex-start;border-left:1px solid var(--glass-brd)}
  .nav__links.open{transform:translateX(0)}
  .nav__cta{display:none}
  .nav__burger{display:flex;z-index:1001}
  .nav__burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav__burger.open span:nth-child(2){opacity:0}
  .nav__burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .about__grid,.products__grid,.industries__rail{grid-template-columns:1fr}
  .contact__form{grid-template-columns:1fr}
  .industry{height:300px}
  .footer__bottom{justify-content:center;text-align:center}
}