/* =====================================================================
   Artificial System Technologies Inc. — astinc.co
   Design system: deep navy/purple base, cyan + electric blue + magenta
   accents, gold orb signatures, glassmorphism cards.
   Fonts: Sora (display), Inter (body), IBM Plex Mono (labels).
   ===================================================================== */

:root{
  --void:#070B1F;          /* base navy */
  --nebula:#130A2E;        /* deep purple */
  --panel:rgba(255,255,255,0.04);
  --panel-line:rgba(255,255,255,0.10);
  --cyan:#23D5F0;
  --electric:#3D6BFF;
  --magenta:#C43BE0;
  --gold:#F0B95A;
  --text:#EDF0FA;
  --mist:#A7B0CE;          /* secondary text */
  --radius:16px;
  --maxw:1180px;
  --glow-cyan:0 0 24px rgba(35,213,240,.35);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  background:var(--void);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-family:'Sora',sans-serif;line-height:1.18;letter-spacing:-0.02em;font-weight:700}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px;
}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:100px 0;position:relative}
.mono{
  font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--cyan);font-weight:500;
}
.sec-head{max-width:680px;margin-bottom:56px}
.sec-head h2{font-size:clamp(28px,3.6vw,42px);margin:16px 0 14px}
.sec-head p{color:var(--mist);font-size:16.5px}
.center{text-align:center;margin-left:auto;margin-right:auto}

/* ---------------- Ambient background orbs (CSS only) ---------------- */
.orbfield{position:fixed;inset:0;z-index:-2;background:
  radial-gradient(60vw 60vw at 85% -10%, rgba(61,107,255,.16), transparent 60%),
  radial-gradient(50vw 50vw at -10% 30%, rgba(196,59,224,.12), transparent 60%),
  radial-gradient(40vw 40vw at 70% 110%, rgba(35,213,240,.10), transparent 60%),
  linear-gradient(160deg, var(--nebula) 0%, var(--void) 55%);
}
.orbfield::after{ /* fine grid texture */
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
                   linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(80% 60% at 50% 0%, #000 30%, transparent 100%);
}
.orb{position:absolute;border-radius:50%;filter:blur(2px);pointer-events:none;z-index:0}
.orb.gold{
  width:14px;height:14px;background:var(--gold);
  box-shadow:0 0 18px rgba(240,185,90,.9), 0 0 46px rgba(240,185,90,.45);
  animation:drift 9s ease-in-out infinite;
}
.orb.cyanline{
  width:9px;height:9px;background:var(--cyan);
  box-shadow:0 0 16px rgba(35,213,240,.9);
  animation:drift 12s ease-in-out infinite reverse;
}
@keyframes drift{
  0%,100%{transform:translate(0,0)}
  50%{transform:translate(14px,-22px)}
}

/* ------------------------------ Header ------------------------------ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .3s,border-color .3s,backdrop-filter .3s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(7,11,31,.82);backdrop-filter:blur(14px);
  border-bottom-color:var(--panel-line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:78px}
.brand{display:flex;align-items:center;gap:12px;font-family:'Sora',sans-serif;font-weight:700;font-size:16.5px}
.brand img{height:44px;width:auto}
.brand span em{font-style:normal;color:var(--cyan)}
.nav-links{display:flex;gap:34px;align-items:center}
.nav-links a{font-size:14.5px;font-weight:500;color:var(--mist);transition:color .2s;position:relative}
.nav-links a:hover{color:#fff}
.nav-links a.active{color:#fff}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--electric));border-radius:2px;
}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:10px}
.menu-toggle span{display:block;width:23px;height:2px;background:#fff;margin:5px 0;transition:.25s}

/* ------------------------------ Buttons ------------------------------ */
.btn{
  display:inline-block;padding:14px 30px;border-radius:12px;font-weight:600;
  font-size:15px;font-family:'Inter',sans-serif;cursor:pointer;border:none;
  transition:transform .15s,box-shadow .25s,background .2s;
}
.btn-primary{
  background:linear-gradient(120deg,var(--electric),var(--cyan));color:#04101d;
  box-shadow:0 0 0 rgba(35,213,240,0);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--glow-cyan)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid var(--panel-line)}
.btn-ghost:hover{border-color:var(--cyan);box-shadow:var(--glow-cyan)}
.btn-magenta{background:linear-gradient(120deg,var(--magenta),var(--electric));color:#fff}
.btn-magenta:hover{transform:translateY(-2px);box-shadow:0 0 24px rgba(196,59,224,.4)}

/* -------------------------------- Hero ------------------------------- */
.hero{padding:190px 0 120px;overflow:hidden;position:relative}
.hero .wrap{position:relative;z-index:1}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;margin-bottom:22px;
  padding:8px 16px;border:1px solid var(--panel-line);border-radius:40px;
  background:var(--panel);backdrop-filter:blur(8px);font-size:12.5px}
.hero h1{font-size:clamp(34px,5.2vw,62px);max-width:900px;margin-bottom:24px}
.hero h1 .grad{
  background:linear-gradient(92deg,var(--cyan) 0%,var(--electric) 45%,var(--magenta) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.lead{font-size:18px;color:var(--mist);max-width:640px;margin-bottom:40px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:70px}

/* trust stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{
  background:var(--panel);border:1px solid var(--panel-line);border-radius:var(--radius);
  padding:24px 26px;backdrop-filter:blur(10px);
}
.stat b{font-family:'Sora',sans-serif;font-size:28px;display:block;
  background:linear-gradient(90deg,#fff,var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{font-size:13.5px;color:var(--mist)}

/* ------------------------------- Cards ------------------------------- */
.glass{
  background:var(--panel);border:1px solid var(--panel-line);border-radius:var(--radius);
  backdrop-filter:blur(10px);padding:30px;position:relative;overflow:hidden;
  transition:transform .25s,border-color .25s,box-shadow .3s;
}
.glass:hover{transform:translateY(-5px);border-color:rgba(35,213,240,.45);box-shadow:0 18px 44px rgba(0,0,0,.4),var(--glow-cyan)}
.glass::before{ /* top light sweep */
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(35,213,240,.6),transparent);
}
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cards-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.icon-badge{
  width:50px;height:50px;border-radius:13px;margin-bottom:20px;
  background:linear-gradient(135deg,rgba(61,107,255,.25),rgba(35,213,240,.18));
  border:1px solid rgba(35,213,240,.35);display:grid;place-items:center;
}
.icon-badge svg{width:24px;height:24px;stroke:var(--cyan);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.glass h3{font-size:18px;margin-bottom:10px}
.glass p{font-size:14.5px;color:var(--mist)}

/* why choose list */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.why{display:flex;gap:14px;align-items:flex-start;background:var(--panel);
  border:1px solid var(--panel-line);border-radius:14px;padding:20px 22px}
.why .tick{min-width:26px;height:26px;border-radius:50%;margin-top:2px;
  background:linear-gradient(135deg,var(--cyan),var(--electric));
  display:grid;place-items:center;font-size:13px;color:#04101d;font-weight:700}
.why p{font-size:14.5px;color:var(--mist);margin:0}
.why h4{font-size:15.5px;margin-bottom:3px}

/* steps */
.steps-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:step}
.step3{
  background:var(--panel);border:1px solid var(--panel-line);border-radius:var(--radius);
  padding:34px 30px;text-align:center;position:relative;
}
.step3 .halo{
  width:66px;height:66px;border-radius:50%;margin:0 auto 20px;
  display:grid;place-items:center;font-family:'Sora',sans-serif;font-size:22px;font-weight:700;
  background:radial-gradient(circle at 35% 30%,rgba(240,185,90,.35),rgba(240,185,90,.06));
  border:1px solid rgba(240,185,90,.5);color:var(--gold);
  box-shadow:0 0 26px rgba(240,185,90,.25);
}
.step3 h3{font-size:18px;margin-bottom:8px}
.step3 p{color:var(--mist);font-size:14.5px}

/* roadmap */
.roadmap{position:relative;margin-top:20px}
.roadmap::before{
  content:"";position:absolute;left:24px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--cyan),var(--electric),var(--magenta));
  opacity:.6;
}
.rm-item{position:relative;padding:0 0 34px 70px}
.rm-item:last-child{padding-bottom:0}
.rm-item .node{
  position:absolute;left:14px;top:2px;width:22px;height:22px;border-radius:50%;
  background:var(--void);border:2px solid var(--cyan);
  box-shadow:0 0 14px rgba(35,213,240,.5);
}
.rm-item h4{font-size:17px;margin-bottom:5px}
.rm-item p{color:var(--mist);font-size:14.5px;max-width:640px}

/* ---------------------------- CTA band ---------------------------- */
.cta-band{
  border-radius:22px;padding:64px 54px;position:relative;overflow:hidden;
  background:linear-gradient(120deg,rgba(61,107,255,.22),rgba(196,59,224,.18));
  border:1px solid var(--panel-line);
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(24px,3vw,34px);max-width:560px}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,185,90,.5),transparent 65%);
  filter:blur(6px);pointer-events:none;
}

/* ------------------------- Page hero (inner) ------------------------- */
.page-hero{padding:180px 0 70px}
.page-hero h1{font-size:clamp(32px,4.5vw,52px);margin:16px 0 16px}
.page-hero p{color:var(--mist);max-width:660px;font-size:17px}

/* ------------------------------ About ------------------------------ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.ceo-frame{
  position:relative;border-radius:50%;padding:10px;max-width:420px;margin:0 auto;
  background:linear-gradient(140deg,var(--cyan),var(--electric),var(--magenta));
}
.ceo-frame img{border-radius:50%;width:100%}
.ceo-frame::after{
  content:"";position:absolute;right:6%;top:6%;width:26px;height:26px;border-radius:50%;
  background:var(--gold);box-shadow:0 0 22px rgba(240,185,90,.9);
}
.mv-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.addr-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.addr h3{font-size:16px;margin:12px 0 8px}
.addr p{font-size:14.5px;color:var(--mist)}
.flagline{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.12em;color:var(--gold);text-transform:uppercase}

/* ----------------------------- Services ----------------------------- */
.svc{margin-bottom:26px;scroll-margin-top:110px}
.svc-head{display:flex;gap:18px;align-items:flex-start;margin-bottom:18px}
.svc-body{display:grid;grid-template-columns:2fr 1fr;gap:26px}
.svc-meta{display:grid;gap:14px}
.svc-meta .mini{background:rgba(255,255,255,.03);border:1px solid var(--panel-line);border-radius:12px;padding:16px 18px}
.svc-meta .mini h5{font-family:'Sora',sans-serif;font-size:13px;color:var(--cyan);margin-bottom:5px;letter-spacing:.04em;text-transform:uppercase}
.svc-meta .mini p{font-size:13.5px;color:var(--mist)}
.svc p{color:var(--mist);font-size:15px}
.svc .disclaimer{
  margin-top:16px;padding:14px 18px;border-left:3px solid var(--gold);border-radius:8px;
  background:rgba(240,185,90,.07);font-size:13.5px;color:#D8C9A8;
}
.svc .btn{margin-top:20px}

/* --------------------------- Forms --------------------------- */
form{display:block}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:14px 16px;border-radius:11px;font-size:15px;color:var(--text);
  background:rgba(255,255,255,.05);border:1.5px solid var(--panel-line);
  font-family:'Inter',sans-serif;transition:border-color .2s,box-shadow .2s;
}
.field select option{color:#0A0E27;background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(35,213,240,.15);
}
.field textarea{min-height:130px;resize:vertical}
.field-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-note{font-size:12.5px;color:var(--mist);margin-top:14px}
.form-status{display:none;margin-top:18px;padding:15px 18px;border-radius:11px;font-size:14px}
.form-status.ok{display:block;background:rgba(35,213,240,.1);border:1px solid rgba(35,213,240,.4)}
.form-status.err{display:block;background:rgba(196,59,224,.1);border:1px solid rgba(196,59,224,.45)}
.upload-fake{
  border:1.5px dashed var(--panel-line);border-radius:11px;padding:18px;text-align:center;
  color:var(--mist);font-size:14px;cursor:pointer;transition:border-color .2s;
}
.upload-fake:hover{border-color:var(--cyan)}

.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.contact-line{display:flex;gap:14px;margin-bottom:16px;font-size:15px;align-items:baseline}
.contact-line .mono{min-width:86px}
.contact-line a{color:var(--cyan)}

/* ------------------------------ Footer ------------------------------ */
footer{
  border-top:1px solid var(--panel-line);padding:70px 0 36px;
  background:linear-gradient(180deg,transparent,rgba(19,10,46,.6));
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:44px;margin-bottom:50px}
.foot-grid h5{font-family:'Sora',sans-serif;font-size:14.5px;margin-bottom:16px;color:#fff}
.foot-grid a{display:block;font-size:14px;color:var(--mist);margin-bottom:10px;transition:color .2s}
.foot-grid a:hover{color:var(--cyan)}
.foot-brand img{height:56px;margin-bottom:14px}
.foot-brand p{font-size:14px;color:var(--mist);max-width:300px}
.foot-addr{font-size:13px;color:var(--mist);margin-bottom:12px;line-height:1.5}
.foot-addr b{color:#DFE4F5;font-weight:600}
.foot-bottom{
  border-top:1px solid var(--panel-line);padding-top:26px;font-size:13px;color:var(--mist);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
}

/* --------------------------- Reveal motion --------------------------- */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .orb{animation:none}
  html{scroll-behavior:auto}
}

/* ---------------------------- Responsive ---------------------------- */
@media (max-width:1020px){
  .cards-3,.why-grid,.steps-3,.addr-grid{grid-template-columns:repeat(2,1fr)}
  .split,.contact-grid,.svc-body,.mv-grid{grid-template-columns:1fr;gap:44px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:660px){
  section{padding:70px 0}
  .hero{padding:150px 0 80px}
  .page-hero{padding:150px 0 50px}
  .cards-3,.cards-2,.why-grid,.steps-3,.addr-grid,.stats,.field-2{grid-template-columns:1fr}
  .cta-band{padding:44px 28px}
  .nav-links{
    display:none;position:absolute;top:78px;left:0;right:0;flex-direction:column;
    background:rgba(7,11,31,.97);backdrop-filter:blur(16px);
    padding:28px 24px;gap:22px;border-bottom:1px solid var(--panel-line);
  }
  .nav-links.open{display:flex}
  .menu-toggle{display:block}
  .brand span{font-size:14px}
}