:root{
  --bg:#070b18; --bg-2:#0c1226; --surface:#111a33; --border:#1f2a4a;
  --text:#e9eefc; --muted:#a6b1cf; --accent:#38e1ff; --accent-2:#7c5cff;
  --grad:linear-gradient(120deg,var(--accent),var(--accent-2));
  --radius:16px; --maxw:1160px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;background:var(--bg);color:var(--text);font:400 17px/1.7 Inter,system-ui,-apple-system,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:"Space Grotesk",Inter,sans-serif;line-height:1.15;margin:0 0 .5em;letter-spacing:-.02em}
h2{font-size:clamp(1.9rem,3.5vw,2.6rem)}
h3{font-size:1.3rem}
p{margin:0 0 1em}
a{color:var(--accent)}
img,svg{display:block}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link{position:absolute;left:-999px;top:8px;background:var(--accent);color:#000;padding:8px 14px;border-radius:8px;z-index:100}
.skip-link:focus{left:8px}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;background:var(--grad);color:#06101f;font-weight:600;text-decoration:none;border:0;border-radius:999px;padding:.7em 1.3em;font-size:1rem;cursor:pointer;transition:transform .15s,box-shadow .15s;font-family:inherit;box-shadow:0 8px 24px -10px rgba(56,225,255,.6)}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 30px -10px rgba(124,92,255,.7)}
.btn-lg{padding:.95em 1.7em;font-size:1.05rem}
.btn-sm{padding:.5em 1.1em;font-size:.95rem}
.btn-ghost{background:transparent;color:var(--text);border:1.5px solid var(--border);box-shadow:none}
.btn-ghost:hover{border-color:var(--accent);box-shadow:none}
.btn-block{width:100%}

/* Nav */
.site-header{position:sticky;top:0;z-index:50;background:rgba(7,11,24,.8);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(31,42,74,.7)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-family:"Space Grotesk",sans-serif;font-size:1.25rem;font-weight:500}
.brand strong{font-weight:700}
.brand-mark{width:32px;height:32px}
.nav-links{display:flex;align-items:center;gap:32px;list-style:none;margin:0;padding:0}
.nav-links a:not(.btn){color:var(--muted);text-decoration:none;font-weight:500}
.nav-links a:not(.btn):hover{color:var(--text)}
.nav-toggle{display:none;background:none;border:0;padding:10px;cursor:pointer}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--text);margin:5px 0;border-radius:2px;transition:.2s}

/* Hero */
.hero{position:relative;overflow:hidden;padding:120px 0 130px;text-align:center}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(56,225,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(56,225,255,.06) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(ellipse at 50% 40%,#000 20%,transparent 70%);-webkit-mask-image:radial-gradient(ellipse at 50% 40%,#000 20%,transparent 70%)}
.hero-glow{position:absolute;width:900px;height:600px;left:50%;top:-180px;transform:translateX(-50%);background:radial-gradient(closest-side,rgba(124,92,255,.35),transparent),radial-gradient(closest-side,rgba(56,225,255,.25),transparent);filter:blur(40px);pointer-events:none}
.hero-inner{position:relative;max-width:900px}
.eyebrow{display:inline-block;font-size:.85rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:1.1em}
.hero .eyebrow{padding:.45em 1em;border:1px solid rgba(56,225,255,.35);border-radius:999px;background:rgba(56,225,255,.07)}
.hero h1{font-size:clamp(2.6rem,7vw,5rem);margin-bottom:.35em}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:clamp(1.08rem,1.6vw,1.25rem);color:var(--muted);max-width:680px;margin:0 auto 2.2em}
.hero-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* Sections */
.section{padding:100px 0}
.section-alt{background:linear-gradient(180deg,var(--bg-2),var(--bg))}
.section-head{text-align:center;max-width:640px;margin:0 auto 56px}
.section-sub{color:var(--muted);font-size:1.1rem}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{position:relative;background:linear-gradient(180deg,var(--surface),var(--bg-2));border:1px solid var(--border);border-radius:var(--radius);padding:36px 30px;display:flex;flex-direction:column;transition:transform .2s,border-color .2s}
.card:hover{transform:translateY(-4px);border-color:rgba(56,225,255,.5)}
.card p{color:var(--muted);flex:1}
.icon{width:56px;height:56px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(56,225,255,.18),rgba(124,92,255,.18));border:1px solid rgba(56,225,255,.3);color:var(--accent);margin-bottom:22px}
.icon svg{width:28px;height:28px}
.card-link{font-weight:600;text-decoration:none;margin-top:8px}
.card-link:hover{text-decoration:underline}

/* Steps */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:none}
.step{padding:30px;border-left:2px solid transparent;border-image:var(--grad) 1;background:rgba(17,26,51,.5);border-radius:0 var(--radius) var(--radius) 0}
.step p{color:var(--muted);margin:0}
.step-num{display:block;font-family:"Space Grotesk",sans-serif;font-size:2.4rem;font-weight:700;margin-bottom:8px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* Newsletter */
.newsletter{position:relative;overflow:hidden;display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center;padding:60px;border-radius:24px;background:radial-gradient(circle at 0% 0%,rgba(56,225,255,.22),transparent 55%),radial-gradient(circle at 100% 100%,rgba(124,92,255,.3),transparent 55%),var(--surface);border:1px solid rgba(56,225,255,.3)}
.newsletter-copy p:last-child{color:var(--muted);margin:0}
.nl-row{display:flex;gap:10px;background:rgba(7,11,24,.7);border:1px solid var(--border);border-radius:999px;padding:6px}
.nl-row input{flex:1;min-width:0;background:transparent;border:0;color:var(--text);font:inherit;padding:0 18px}
.nl-row input:focus{outline:none}
.nl-row:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(56,225,255,.2)}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:64px;align-items:start}
.contact-copy>p{color:var(--muted)}
.checks{list-style:none;padding:0;margin:24px 0 0}
.checks li{position:relative;padding-left:34px;margin-bottom:14px}
.checks li::before{content:"";position:absolute;left:0;top:.3em;width:20px;height:20px;border-radius:50%;background:var(--grad) center/12px no-repeat}
.checks li::after{content:"";position:absolute;left:7px;top:calc(.3em + 4px);width:5px;height:9px;border:solid #06101f;border-width:0 2px 2px 0;transform:rotate(45deg)}
.contact-form{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:36px}
.field{margin-bottom:20px}
.field label{display:block;font-weight:600;margin-bottom:8px;font-size:.95rem}
.field input,.field select,.field textarea{width:100%;background:var(--bg);border:1.5px solid var(--border);border-radius:12px;color:var(--text);font:inherit;padding:.75em 1em;transition:border-color .15s,box-shadow .15s}
.field select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='none' stroke='%2338e1ff' stroke-width='2'%3E%3Cpath d='m3 5 4 4 4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1em center;padding-right:2.6em}
.field textarea{resize:vertical;min-height:130px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(56,225,255,.2)}
::placeholder{color:#6b779a}
.invalid{border-color:#ff6b8b!important}
.form-msg{margin:14px 0 0;font-weight:500;min-height:1.2em}
.form-msg.ok{color:#5ef2b0}
.form-msg.err{color:#ff8fa6}

/* Footer */
.site-footer{border-top:1px solid var(--border);padding:48px 0;background:#05080f}
.footer-inner{display:grid;grid-template-columns:auto 1fr auto;gap:12px 32px;align-items:center}
.footer-tag{color:var(--muted);margin:0}
.footer-links{display:flex;gap:24px;list-style:none;margin:0;padding:0}
.footer-links a{color:var(--muted);text-decoration:none}
.footer-links a:hover{color:var(--text)}
.copyright{grid-column:1/-1;color:#6b779a;font-size:.9rem;margin:16px 0 0}

/* Responsive */
@media (max-width:960px){
  .cards,.steps{grid-template-columns:1fr}
  .newsletter{grid-template-columns:1fr;padding:44px 32px;gap:28px}
  .contact-grid{grid-template-columns:1fr;gap:40px}
  .footer-inner{grid-template-columns:1fr;text-align:left}
}
@media (max-width:760px){
  .nav-toggle{display:block}
  .nav-links{position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;padding:12px 24px 24px;background:rgba(7,11,24,.97);border-bottom:1px solid var(--border);display:none}
  .nav-links.open{display:flex}
  .nav-links li a:not(.btn){display:block;padding:14px 0;border-bottom:1px solid var(--border)}
  .nav-links .btn{margin-top:16px;width:100%}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .hero{padding:80px 0 90px}
  .section{padding:72px 0}
  .section-head{margin-bottom:40px}
  .hero-cta .btn{width:100%}
  .nl-row{flex-direction:column;border-radius:16px;padding:8px}
  .nl-row input{padding:14px 12px}
  .nl-row .btn{width:100%}
  .newsletter{padding:36px 22px}
  .contact-form{padding:26px 20px}
  .card{padding:30px 24px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}