:root{
  --bg:#0b1120;--bg2:#0f172a;--card:#111a2e;--card2:#16213a;--line:#1e2a44;
  --text:#e2e8f0;--muted:#94a3b8;--dim:#64748b;--accent:#22d3ee;--accent-ink:#04222a;
  --radius:16px;--max:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* nav */
.nav{position:sticky;top:0;z-index:20;background:rgba(11,17,32,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(30,42,68,.7)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.06em;font-size:15px}
.logo-mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,#22d3ee,#0ea5b7);display:grid;place-items:center;color:var(--accent-ink);font-weight:900;font-size:15px}
.logo b{color:var(--accent);font-weight:800}
.logo span{color:var(--muted);font-weight:600}
.logo .logo-mark{color:var(--accent-ink);font-weight:900}
.nav-links{display:none;gap:28px;font-size:14px;color:var(--muted)}
.nav-links a:hover{color:var(--text)}
@media(min-width:860px){.nav-links{display:flex}}
@media(max-width:420px){.nav .logo span:last-child{display:none}}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 22px;border-radius:12px;font-weight:700;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .15s,background .15s,border-color .15s;font-family:inherit}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{background:#67e8f9}
.btn-ghost{border-color:var(--line);color:var(--text);background:transparent}
.btn-ghost:hover{border-color:#334155}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:10px}

/* hero */
.hero{position:relative;overflow:hidden;padding:72px 0 64px}
.hero:before{content:"";position:absolute;right:-180px;top:-200px;width:620px;height:620px;border-radius:50%;background:radial-gradient(circle,rgba(34,211,238,.28),rgba(34,211,238,0) 65%);pointer-events:none}
.hero:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(148,163,184,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.06) 1px,transparent 1px);background-size:56px 56px;mask-image:linear-gradient(180deg,#000,transparent 85%);-webkit-mask-image:linear-gradient(180deg,#000,transparent 85%);pointer-events:none}
.hero .wrap{position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent)}
.hero h1{font-size:clamp(38px,7vw,76px);line-height:1.04;letter-spacing:-.03em;margin:18px 0 20px;font-weight:800;max-width:900px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p.lead{font-size:clamp(17px,2.2vw,20px);color:var(--muted);max-width:620px;margin:0 0 32px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px}
.pill{font-size:13px;color:#cbd5e1;border:1px solid var(--line);background:rgba(17,26,46,.7);border-radius:999px;padding:7px 14px}
.pill b{color:var(--accent)}

/* sections */
section{padding:72px 0}
.sec-head{max-width:640px;margin-bottom:36px}
.sec-head h2{font-size:clamp(28px,4.2vw,42px);line-height:1.12;letter-spacing:-.02em;margin:10px 0 12px}
.sec-head p{color:var(--muted);margin:0}
.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

.grid{display:grid;gap:16px}
@media(min-width:640px){.g2{grid-template-columns:repeat(2,1fr)}}
@media(min-width:960px){.g3{grid-template-columns:repeat(3,1fr)}}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:border-color .2s,transform .2s}
.card:hover{border-color:#2b3a5c}
.svc{display:flex;flex-direction:column;gap:10px}
.svc .ico{width:44px;height:44px;border-radius:12px;background:rgba(34,211,238,.12);color:var(--accent);display:grid;place-items:center}
.svc h3{margin:6px 0 0;font-size:19px}
.svc p{margin:0;color:var(--muted);font-size:15px}
.svc ul{margin:4px 0 0;padding:0;list-style:none;font-size:14px;color:#cbd5e1}
.svc li{padding:3px 0 3px 20px;position:relative}
.svc li:before{content:"";position:absolute;left:2px;top:11px;width:8px;height:8px;border-radius:2px;background:var(--accent);opacity:.7}
.price{margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);display:flex;justify-content:space-between;align-items:baseline}
.price small{color:var(--dim);font-size:13px}
.price strong{font-size:22px;color:var(--text)}
.svc.cta-card{background:linear-gradient(160deg,rgba(34,211,238,.16),rgba(17,26,46,1) 60%);border-color:rgba(34,211,238,.35);justify-content:center}

.steps{counter-reset:s}
.step{position:relative;padding-top:56px}
.step:before{counter-increment:s;content:"0" counter(s);position:absolute;top:22px;left:24px;font-weight:800;font-size:14px;color:var(--accent);letter-spacing:.1em}
.step h3{margin:0 0 8px;font-size:19px}
.step p{margin:0;color:var(--muted);font-size:15px}

/* portfolio */
.work{display:flex;flex-direction:column;padding:0;overflow:hidden}
.work .thumb{aspect-ratio:16/10;background:#0a1020;border-bottom:1px solid var(--line);overflow:hidden}
.work .thumb img{width:100%;height:100%;object-fit:cover;object-position:top;transition:transform .4s}
.work:hover .thumb img{transform:scale(1.03)}
.work .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px}
.work .tag{font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}
.work h3{margin:0;font-size:19px}
.work p{margin:0;color:var(--muted);font-size:15px}
.work .go{margin-top:6px;font-weight:700;font-size:14px;color:var(--accent)}

/* faq */
.faq{max-width:820px}
details{border:1px solid var(--line);background:var(--card);border-radius:14px;padding:0 20px;margin-bottom:10px}
summary{cursor:pointer;list-style:none;padding:18px 28px 18px 0;font-weight:700;position:relative}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";position:absolute;right:0;top:14px;font-size:22px;color:var(--accent);font-weight:400}
details[open] summary:after{content:"\2212"}
details p{margin:0 0 18px;color:var(--muted)}

/* form */
.form-wrap{display:grid;gap:28px}
@media(min-width:960px){.form-wrap{grid-template-columns:1fr 1.3fr;gap:48px}}
.form-side ul{list-style:none;padding:0;margin:20px 0 0;color:#cbd5e1}
.form-side li{display:flex;gap:10px;padding:8px 0}
.form-side li svg{flex:none;color:var(--accent);margin-top:4px}
form.card{padding:24px}
.row{display:grid;gap:14px}
@media(min-width:640px){.row.two{grid-template-columns:1fr 1fr}}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.field label{font-size:13px;font-weight:600;color:#cbd5e1}
.field label small{color:var(--dim);font-weight:500}
input,select,textarea{font:inherit;font-size:16px;color:var(--text);background:#0b1324;border:1px solid var(--line);border-radius:10px;padding:12px 14px;width:100%;transition:border-color .15s,box-shadow .15s}
textarea{min-height:130px;resize:vertical}
select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(34,211,238,.18)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-note{font-size:13px;color:var(--dim);margin:6px 0 0}
.form-err{color:#fca5a5;font-size:14px;margin:0 0 12px;display:none}
.success{display:none;text-align:center;padding:40px 24px}
.success .tick{width:64px;height:64px;border-radius:50%;background:rgba(34,211,238,.14);color:var(--accent);display:grid;place-items:center;margin:0 auto 16px}
.success h3{margin:0 0 8px;font-size:24px}
.success p{color:var(--muted);margin:0}

footer{border-top:1px solid var(--line);padding:40px 0 48px;color:var(--dim);font-size:14px}
footer .wrap{display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;align-items:center}
footer nav{display:flex;gap:20px;flex-wrap:wrap}
footer a:hover{color:var(--text)}