:root{
  --bg:#ffffff; --bg-alt:#f4f7fb; --ink:#0f172a; --muted:#52607a;
  --brand:#2563eb; --brand-2:#7c3aed; --dark:#0b1220; --line:#e3e8f0; --card:#fff;
  --r:16px; --shadow:0 10px 30px rgba(15,23,42,.08);
}
@media (prefers-color-scheme: dark){
  :root{--bg:#0b1220;--bg-alt:#0f1829;--ink:#e8eefc;--muted:#9fb0cf;--line:#1e2a44;--card:#111b30;--shadow:0 10px 30px rgba(0,0,0,.4)}
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg)}
img,svg{max-width:100%}
a{color:var(--brand)}
.wrap{width:min(1120px,100% - 32px);margin-inline:auto}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;color:#000;padding:8px 12px;z-index:100}
h1,h2,h3,h4{line-height:1.15;margin:0 0 .5em;letter-spacing:-.02em}
h1{font-size:clamp(2.1rem,5vw,3.6rem)}
h2{font-size:clamp(1.7rem,3.5vw,2.4rem)}
h3{font-size:1.2rem}
.grad{background:linear-gradient(90deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;font-weight:700;color:var(--brand);margin:0 0 12px}
.lead{font-size:1.15rem;color:var(--muted);max-width:60ch}
.sub{color:var(--muted);max-width:62ch;margin:0 0 32px}
.center{text-align:center;margin-top:36px}
.small{font-size:.9rem;color:var(--muted)}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:700}
.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;color:#fff;font-size:.8rem;background:linear-gradient(135deg,var(--brand),var(--brand-2))}
.menu{display:flex;align-items:center;gap:22px}
.menu a{text-decoration:none;color:var(--muted);font-weight:500}
.menu a:hover{color:var(--ink)}
.menu .btn{color:#fff}
.menu-btn{display:none;background:none;border:0;padding:8px;cursor:pointer}
.menu-btn span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 20px;border-radius:12px;border:0;cursor:pointer;font:600 1rem/1 inherit;text-decoration:none;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:0 8px 20px rgba(37,99,235,.3);transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(37,99,235,.4)}
.btn-sm{padding:9px 14px;font-size:.9rem}
.btn-lg{padding:16px 26px;font-size:1.05rem}
.btn-ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn-ghost:hover{box-shadow:inset 0 0 0 1.5px var(--brand)}
:focus-visible{outline:3px solid var(--brand);outline-offset:3px}

/* hero */
.hero{padding:72px 0 80px;background:radial-gradient(900px 400px at 85% -10%,rgba(124,58,237,.18),transparent),radial-gradient(800px 400px at 0% 0%,rgba(37,99,235,.15),transparent)}
.hero-grid{display:grid;grid-template-columns:1.2fr .9fr;gap:48px;align-items:center}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 14px}
.phone-line{margin:0 0 18px;color:var(--muted)}
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:0}
.chips li{padding:6px 12px;border-radius:999px;background:var(--bg-alt);border:1px solid var(--line);font-size:.88rem;color:var(--muted)}
.win{background:#0b1220;border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden;border:1px solid #1e2a44}
.win-bar{display:flex;gap:6px;padding:12px 14px;background:#111b30}
.win-bar i{width:10px;height:10px;border-radius:50%;background:#33415f}
.win pre{margin:0;padding:20px;color:#cfe0ff;font:13px/1.7 ui-monospace,Consolas,monospace;overflow:auto}
.win .c{color:#6b7fa6}.win .k{color:#c4a1ff}.win .f{color:#7dd3fc}.win .s{color:#86efac}

/* sections */
.section{padding:84px 0}
.section.alt{background:var(--bg-alt)}
.section.dark{background:var(--dark);color:#e8eefc}
.section.dark .sub,.section.dark .mini p{color:#9fb0cf}
.section.dark .eyebrow{color:#8fb0ff}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card,.why{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--shadow)}
.card p,.why p{color:var(--muted)}
.card ul{padding-left:18px;color:var(--muted);margin:12px 0 0}
.card-ai{border-color:var(--brand);box-shadow:0 0 0 1px var(--brand),var(--shadow)}
.ico{font-size:1.8rem;margin-bottom:10px}
.tag{font-size:.7rem;vertical-align:middle;margin-left:6px;padding:3px 8px;border-radius:999px;background:var(--brand);color:#fff;font-weight:600;letter-spacing:.02em}
.more{display:inline-block;margin-top:14px;font-weight:600;text-decoration:none}
.mini{background:#111b30;border:1px solid #1e2a44;border-radius:var(--r);padding:22px}
.mini h4{font-size:1.05rem;color:#fff}
.why span{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:12px;background:var(--bg-alt);font-size:1.2rem;font-weight:700;margin-bottom:12px;color:var(--brand)}
.steps{list-style:none;counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:0;margin:32px 0 0}
.steps li{counter-increment:s;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px;position:relative}
.steps li::before{content:counter(s);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-weight:700;margin-bottom:12px}
.steps b{display:block;margin-bottom:6px}
.steps span{color:var(--muted);font-size:.95rem}
.about{display:grid;grid-template-columns:auto 1fr;gap:36px;align-items:center}
.avatar{width:140px;height:140px;border-radius:32px;display:grid;place-items:center;font-size:2.6rem;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2))}
.about p{color:var(--muted);max-width:62ch}
.link{font-weight:600}
.cta{background:linear-gradient(135deg,rgba(37,99,235,.1),rgba(124,58,237,.12))}
.contact{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.form{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:var(--shadow);display:grid;gap:14px}
.form label{display:grid;gap:6px;font-weight:600;font-size:.92rem}
.form input,.form textarea{font:inherit;padding:12px;border-radius:10px;border:1px solid var(--line);background:var(--bg);color:var(--ink)}
.footer{padding:28px 0;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}
.foot-inner{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

@media (max-width:900px){
  .hero-grid,.contact,.about{grid-template-columns:1fr}
  .grid3,.steps{grid-template-columns:1fr 1fr}
  .grid4{grid-template-columns:1fr 1fr}
  .hero-card{order:2}
}
@media (max-width:640px){
  .menu-btn{display:block}
  .menu{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;padding:16px;background:var(--bg);border-bottom:1px solid var(--line)}
  .menu.open{display:flex}
  .grid3,.grid4,.steps{grid-template-columns:1fr}
  .section{padding:60px 0}
  .btn-lg{width:100%}
  .brand-text{display:none}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}

/* call dialog (desktop) */
.call-dialog{border:1px solid var(--line);border-radius:var(--r);padding:32px;width:min(420px,100% - 32px);background:var(--card);color:var(--ink);box-shadow:0 24px 60px rgba(0,0,0,.35);text-align:center}
.call-dialog::backdrop{background:rgba(11,18,32,.6);backdrop-filter:blur(3px)}
.call-number{font-size:2rem;font-weight:800;letter-spacing:-.02em;margin:8px 0;user-select:all}
.call-actions{display:grid;gap:10px;margin-top:20px}
.call-x{position:absolute;top:10px;right:14px;background:none;border:0;font-size:1.6rem;line-height:1;cursor:pointer;color:var(--muted)}

/* faq */
.faq{display:grid;gap:12px;max-width:820px;margin-top:24px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 20px}
.faq summary{cursor:pointer;font-weight:600}
.faq p{color:var(--muted);margin:10px 0 0}

/* collapse nav earlier now that there are more links */
.menu a{white-space:nowrap}
@media (max-width:900px){
  .menu-btn{display:block}
  .menu{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;padding:16px;background:var(--bg);border-bottom:1px solid var(--line)}
  .menu.open{display:flex}
}

/* contact form states */
.form .hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.form button:disabled{opacity:.7;cursor:progress}
#form-note.ok{color:#15803d;font-weight:600}
#form-note.err{color:#b91c1c;font-weight:600}
@media (prefers-color-scheme: dark){#form-note.ok{color:#4ade80}#form-note.err{color:#f87171}}