:root{
  --bg:#030A12; --surface:#071422; --surface2:#0D1F33; --glow:#0D3550;
  --cyan:#40C8FF; --teal:#4FE8D2; --text:#DCE7F2; --muted:#8FA6BC;
  --border:rgba(64,200,255,.14); --radius:14px;
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;font-family:var(--font);line-height:1.6;color:var(--text);background-color:var(--bg);
  background-image:radial-gradient(1100px 650px at 22% -8%,rgba(13,53,80,.85),transparent 65%),
                   radial-gradient(900px 600px at 100% 110%,rgba(6,22,36,.9),transparent 70%);
  background-attachment:fixed}
a{color:var(--cyan)}
.wrap{max-width:1280px;margin:0 auto;padding:0 24px}
.wrap--narrow{max-width:680px}
.muted{color:var(--muted)}
.skip{position:absolute;left:-999px;top:8px;background:var(--cyan);color:var(--bg);padding:8px 14px;border-radius:8px;z-index:20}
.skip:focus{left:8px}

.nav{position:sticky;top:0;z-index:10;background:rgba(3,10,18,.88);border-bottom:1px solid var(--border)}
.nav__in{display:flex;align-items:center;justify-content:space-between;height:64px}
.nav nav{display:flex;align-items:center;gap:20px}
.nav nav a:not(.btn){color:var(--muted);text-decoration:none;font-size:.95rem}
.nav nav a:not(.btn):hover{color:var(--text)}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:650;letter-spacing:.2px}
.brand__mark{width:14px;height:14px;border-radius:4px;background:linear-gradient(135deg,var(--cyan),var(--teal));box-shadow:0 0 14px rgba(64,200,255,.6)}

.btn{display:inline-block;border:0;cursor:pointer;font:inherit;font-weight:600;color:#02121c;text-decoration:none;
  padding:12px 22px;border-radius:999px;background:linear-gradient(135deg,var(--cyan),var(--teal));
  transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px);box-shadow:0 6px 22px rgba(64,200,255,.3)}
.btn--sm{padding:8px 16px;font-size:.9rem}
.btn--ghost{background:transparent;color:var(--text);border:1px solid var(--border)}
.btn--ghost:hover{border-color:var(--cyan);box-shadow:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

.hero{position:relative;overflow:hidden;padding:72px 0 8px}
.eyebrow{color:var(--teal);text-transform:uppercase;letter-spacing:.14em;font-size:.8rem;font-weight:600;margin:0 0 16px}
h1{font-size:clamp(2.2rem,5vw,3.8rem);line-height:1.08;margin:0 0 20px;max-width:18ch}
.grad{background:linear-gradient(135deg,var(--cyan),var(--teal));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:1.15rem;color:var(--muted);max-width:56ch;margin:0 0 32px}
.actions{display:flex;flex-wrap:wrap;gap:12px}

.section{padding:72px 0}
.section--alt{background:rgba(7,20,34,.6);border-block:1px solid var(--border)}
h2{font-size:clamp(1.6rem,3.5vw,2.2rem);margin:0 0 8px}
.sub{color:var(--muted);margin:0 0 36px}
h3{margin:0 0 6px;font-size:1.05rem}

.grid{display:grid;gap:18px;grid-template-columns:1fr}
@media (min-width:620px){.grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:980px){.grid{grid-template-columns:repeat(3,1fr)}}
.card{background:linear-gradient(180deg,var(--surface2),var(--surface));border:1px solid var(--border);
  border-radius:var(--radius);padding:24px;transition:border-color .2s,transform .2s}
.card:hover{border-color:rgba(64,200,255,.4);transform:translateY(-2px)}
.card p{margin:0;color:var(--muted);font-size:.96rem}
.card__dot{display:block;width:10px;height:10px;border-radius:50%;background:var(--teal);box-shadow:0 0 12px var(--teal);margin-bottom:14px}

.tag{display:inline-block;margin-bottom:14px;padding:3px 10px;border-radius:999px;font-size:.75rem;font-weight:600;
  letter-spacing:.06em;text-transform:uppercase;color:var(--cyan);border:1px solid var(--border);background:rgba(64,200,255,.07)}

.steps{list-style:none;margin:36px 0 0;padding:0;display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.steps li{display:flex;gap:16px;align-items:flex-start}
.steps span{flex:none;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-weight:700;
  color:var(--cyan);border:1px solid var(--cyan);background:rgba(64,200,255,.08)}
.steps p{margin:0;color:var(--muted);font-size:.96rem}

.form{display:grid;gap:16px}
.row{display:grid;gap:16px;grid-template-columns:1fr 1fr}
@media (max-width:560px){.row{grid-template-columns:1fr}.nav nav a:not(.btn){display:none}}
label{display:grid;gap:6px;font-size:.92rem;color:var(--muted)}
input,textarea{font:inherit;color:var(--text);background:var(--surface);border:1px solid var(--border);
  border-radius:10px;padding:12px 14px;width:100%}
input:focus,textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(64,200,255,.18)}
textarea{resize:vertical}
.hp{position:absolute;left:-9999px;height:0;overflow:hidden}
.form .btn{justify-self:start}
.notice{padding:14px 18px;border-radius:10px;margin-bottom:20px;border:1px solid}
.notice ul{margin:0;padding-left:18px}
.notice--ok{background:rgba(79,232,210,.08);border-color:rgba(79,232,210,.4);color:var(--teal)}
.notice--err{background:rgba(255,110,110,.08);border-color:rgba(255,110,110,.4);color:#ff9d9d}

.foot{border-top:1px solid var(--border);padding:28px 0;font-size:.9rem}
.foot__in{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px}

.chips{list-style:none;margin:0 0 20px;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.chips li{padding:8px 16px;border-radius:999px;border:1px solid var(--border);background:rgba(64,200,255,.06);font-size:.95rem}

/* ---------- hero layout + animated graphics ---------- */
.hero__grid{position:relative;display:grid;gap:32px;align-items:center}
@media (min-width:900px){.hero__grid{grid-template-columns:1.15fr .85fr}}
.hero__art{justify-self:center;width:min(420px,80vw)}
.hero__art svg{display:block;width:100%;height:auto;filter:drop-shadow(0 0 30px rgba(64,200,255,.25))}

.spin{transform-box:view-box;transform-origin:50% 50%;animation:spin 48s linear infinite}
.spin--rev{animation-duration:30s;animation-direction:reverse}
.spin--fast{animation-duration:9s}
@keyframes spin{to{transform:rotate(360deg)}}

.sonar{transform-box:view-box;transform-origin:50% 50%;opacity:0;animation:sonar 4s ease-out infinite}
.sonar--2{animation-delay:2s}
@keyframes sonar{0%{transform:scale(1);opacity:.7}100%{transform:scale(3.6);opacity:0}}

.hero__glow{position:absolute;right:-18%;top:-45%;width:900px;height:900px;border-radius:50%;pointer-events:none;
  background:conic-gradient(from 0deg,rgba(64,200,255,.14),rgba(79,232,210,0) 25%,rgba(13,53,80,.35) 50%,rgba(79,232,210,0) 75%,rgba(64,200,255,.14));
  -webkit-mask-image:radial-gradient(circle,#000 0,transparent 68%);mask-image:radial-gradient(circle,#000 0,transparent 68%);
  animation:spin 60s linear infinite}

.pulse{width:100%;height:120px;margin-top:8px;overflow:hidden}
.pulse svg{display:block;width:100%;height:100%}
.pulse__line{stroke-dasharray:100;stroke-dashoffset:100;animation:draw 7s ease-in-out infinite}
.pulse__area{opacity:0;animation:area 7s ease-in-out infinite}
@keyframes draw{0%{stroke-dashoffset:100;opacity:1}55%{stroke-dashoffset:0;opacity:1}85%{stroke-dashoffset:0;opacity:1}100%{stroke-dashoffset:0;opacity:0}}
@keyframes area{0%,30%{opacity:0}55%,85%{opacity:1}100%{opacity:0}}

@media (prefers-reduced-motion:reduce){
  .spin,.sonar,.hero__glow,.pulse__line,.pulse__area{animation:none!important}
  .pulse__line{stroke-dashoffset:0}.pulse__area{opacity:1}.sonar{opacity:0}
}

/* ---------- contact section ---------- */
.contact__grid{display:grid;gap:36px;align-items:start}
@media (min-width:900px){.contact__grid{grid-template-columns:.9fr 1.1fr;gap:56px}}
.contact__info .sub{max-width:44ch}
.methods{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.method{display:flex;align-items:center;gap:16px;padding:16px 18px;border-radius:var(--radius);text-decoration:none;color:var(--text);
  background:linear-gradient(180deg,var(--surface2),var(--surface));border:1px solid var(--border);transition:border-color .2s,transform .2s}
a.method:hover{border-color:rgba(64,200,255,.45);transform:translateY(-2px)}
.method__icon{flex:none;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;color:var(--cyan);
  background:rgba(64,200,255,.08);border:1px solid var(--border)}
.method small{display:block;color:var(--muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.08em}
.method strong{font-size:1.05rem;font-weight:600;word-break:break-word}

.contact__card{padding:28px;border-radius:18px;border:1px solid var(--border);
  background:linear-gradient(180deg,var(--surface2),var(--surface));box-shadow:0 20px 60px rgba(0,0,0,.35)}
.contact__card h3{font-size:1.25rem;margin:0 0 18px}
.contact__card .form{gap:18px}
.contact__card input,.contact__card textarea{background:var(--bg)}
.contact__card input::placeholder,.contact__card textarea::placeholder{color:#4A6580}
.btn--block{width:100%;justify-self:stretch;padding:14px 22px;font-size:1rem}
@media (max-width:560px){.contact__card{padding:20px}}

/* ---------- logo, footer, card links ---------- */
.brand__logo{display:block;border-radius:8px;box-shadow:0 0 14px rgba(64,200,255,.35)}
.card__link{display:inline-block;margin-top:14px;font-size:.92rem;font-weight:600;color:var(--cyan);text-decoration:none}
.card__link:hover{color:var(--teal)}
.fine{margin:0;font-size:.85rem;color:var(--muted)}
.chips a{color:var(--text);text-decoration:none}
.chips li:has(a){border-color:rgba(64,200,255,.4)}
.chips a:hover{color:var(--cyan)}

.foot{padding:32px 0}
.foot__links{display:flex;flex-wrap:wrap;gap:8px 22px;margin-bottom:18px;padding-bottom:18px;border-bottom:1px solid var(--border)}
.foot__links a{color:var(--muted);text-decoration:none}
.foot__links a:hover{color:var(--cyan)}

/* ---------- inner pages ---------- */
.page-hero{padding:56px 0 8px}
.page-hero h1{font-size:clamp(2rem,4.5vw,3.1rem);max-width:26ch}
.crumbs{font-size:.88rem;color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--muted)}
.crumbs span{margin:0 6px;opacity:.6}
.prose{max-width:920px}
.prose h2{margin:44px 0 14px}
.prose h2:first-child{margin-top:0}
.prose p,.prose li{color:var(--muted);font-size:1.02rem}
.prose p strong,.prose li strong{color:var(--text)}
.prose ul:not(.ticks):not(.chips){padding-left:20px}
.ticks{list-style:none;padding:0;margin:0 0 8px;display:grid;gap:10px}
.ticks li{position:relative;padding-left:30px}
.ticks li::before{content:"";position:absolute;left:0;top:.45em;width:16px;height:9px;border-left:2px solid var(--teal);border-bottom:2px solid var(--teal);transform:rotate(-45deg) scale(.9)}
.grid--3{margin:8px 0 0}
.steps--list{grid-template-columns:1fr;margin:8px 0 24px}
.faq{border:1px solid var(--border);border-radius:12px;background:var(--surface);margin:0 0 12px}
.faq summary{cursor:pointer;list-style:none;padding:16px 18px;font-weight:600;color:var(--text);position:relative;padding-right:44px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);color:var(--cyan);font-size:1.3rem}
.faq[open] summary::after{content:"\2212"}
.faq p{margin:0;padding:0 18px 18px}
.alert{border:1px solid rgba(255,170,100,.45);background:rgba(255,150,80,.07);border-radius:var(--radius);padding:22px 24px;margin-bottom:8px}
.alert h2{margin:0 0 8px;font-size:1.3rem}
.alert p,.alert li{color:var(--text)}
.alert .muted{color:var(--muted)}
.cta{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
.cta .sub{margin:0}