:root{
  --navy:#0a2a66;
  --navy-dark:#061a42;
  --navy-light:#1e4aa8;
  --white:#fff;
  --bg-alt:#f1f5fb;
  --text:#14213d;
  --muted:#5b6b8a;
  --line:#dde5f3;
  --radius:16px;
  --shadow:0 10px 30px rgba(10,42,102,.12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:70px}
body{margin:0;font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--text);background:var(--white)}
.container{width:min(1120px,100% - 32px);margin-inline:auto}
a{color:var(--navy-light)}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;color:var(--navy)}
.muted{color:var(--muted)}

/* buttons */
.btn{display:inline-block;padding:12px 24px;border-radius:10px;border:2px solid var(--navy);background:var(--navy);color:#fff;font:600 16px/1.2 inherit;text-decoration:none;cursor:pointer;text-align:center;transition:.2s}
.btn:hover{background:var(--navy-light);border-color:var(--navy-light)}
.btn-sm{padding:8px 16px;font-size:15px}
.btn-block{display:block;width:100%}
.btn-outline{background:transparent;color:var(--navy)}
.btn-outline:hover{color:#fff}
.btn:disabled{opacity:.6;cursor:wait}

/* hero */
.hero{position:relative;overflow:hidden;color:#fff;background:radial-gradient(circle at 75% 45%,var(--navy-light) 0,var(--navy) 45%,var(--navy-dark) 100%)}
.hero h1,.hero h2{color:#fff}
.nav{position:relative;z-index:5;display:flex;align-items:center;justify-content:space-between;padding:20px 0}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:#fff;text-decoration:none}
.logo-mark{width:22px;height:22px;border-radius:6px;background:#fff;box-shadow:inset 0 0 0 6px var(--navy-light)}
.nav-links{display:flex;gap:28px;align-items:center;list-style:none;margin:0;padding:0}
.nav-links a:not(.btn){color:#fff;text-decoration:none;opacity:.9}
.nav-links a:not(.btn):hover{opacity:1}
.nav .btn{background:#fff;color:var(--navy);border-color:#fff}
.nav .btn:hover{background:var(--bg-alt)}
.nav-toggle{display:none;background:none;border:0;padding:8px;cursor:pointer}
.nav-toggle span{display:block;width:26px;height:2px;background:#fff;margin:6px 0}

.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding:40px 0 80px}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:13px;opacity:.8;margin:0 0 12px}
.hero h1{font-size:clamp(30px,4.4vw,52px)}
.lead{font-size:18px;opacity:.9;max-width:520px}
.facts{display:flex;flex-wrap:wrap;gap:12px 32px;list-style:none;padding:0;margin:28px 0 0;opacity:.95}
.facts b{display:block;font-size:22px}

/* rotating animation */
.orbit{position:absolute;z-index:1;left:22%;top:50%;width:min(820px,95vw);aspect-ratio:1;transform:translate(-30%,-50%);pointer-events:none}
.ring{position:absolute;border-radius:50%;border:1px dashed rgba(255,255,255,.28);animation:spin linear infinite}
.r1{inset:30%;animation-duration:18s}
.r2{inset:15%;animation-duration:32s;animation-direction:reverse}
.r3{inset:0;animation-duration:50s}
.ring i{position:absolute;width:16px;height:16px;border-radius:50%;background:#fff;box-shadow:0 0 18px 4px rgba(255,255,255,.55)}
.ring i:nth-child(1){top:-8px;left:calc(50% - 8px)}
.ring i:nth-child(2){bottom:-8px;left:calc(50% - 8px);width:10px;height:10px;opacity:.7}
.ring i:nth-child(3){left:-8px;top:calc(50% - 8px);width:12px;height:12px;opacity:.8}
.core{position:absolute;inset:44%;display:grid;place-items:center;border-radius:50%;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.35);animation:pulse 4s ease-in-out infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes pulse{50%{box-shadow:0 0 0 22px rgba(255,255,255,.06),0 0 60px rgba(255,255,255,.25)}}
@media (prefers-reduced-motion:reduce){.ring,.core{animation:none}}

/* cards / forms */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);color:var(--text)}
.lead-form h2{color:var(--navy);font-size:24px;margin-bottom:4px}
.lead-form label{display:block;font-weight:600;font-size:14px;margin-top:14px;color:var(--navy)}
.lead-form input,.lead-form textarea{display:block;width:100%;margin-top:6px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font:inherit;color:var(--text);background:#fff;resize:vertical}
.lead-form input:focus,.lead-form textarea:focus{outline:2px solid var(--navy-light);border-color:transparent}
.lead-form .btn{margin-top:20px}
.lead-form .invalid{border-color:#c62828}
.hp{position:absolute!important;left:-9999px}
.form-status{min-height:1.4em;margin:12px 0 0;font-size:14px;text-align:center}
.form-status.ok{color:#1b7a3d}
.form-status.err{color:#c62828}

/* sections */
.section{padding:88px 0}
.section.alt{background:var(--bg-alt)}
.section-title{font-size:clamp(28px,3.4vw,38px);margin-bottom:12px}
.section-sub{color:var(--muted);max-width:640px;margin:0 0 36px}
.section-title:not(:has(+ .section-sub)){margin-bottom:36px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.icon{font-size:32px;margin-bottom:12px}
.service p{margin:0;color:var(--muted)}

/* cases */
.case{margin-bottom:28px}
.tag{display:inline-block;padding:4px 12px;border-radius:99px;background:var(--bg-alt);color:var(--navy-light);font-size:13px;font-weight:600;margin-bottom:12px}
.case h3{font-size:24px}
.case-cols{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:20px}
.case h4{font-size:15px;text-transform:uppercase;letter-spacing:.06em;color:var(--navy-light)}
.case ul,.extras ul,.plan ul{padding-left:20px;margin:0}
.case li{margin-bottom:6px}
.case-foot{margin-top:20px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px 32px;flex-wrap:wrap}
.stack{color:var(--muted);font-size:14px}

/* price */
.plan{position:relative;display:flex;flex-direction:column}
.plan ul{flex:1;margin-bottom:24px;list-style:none;padding:0}
.plan li{padding-left:24px;position:relative;margin-bottom:8px}
.plan li::before{content:"✓";position:absolute;left:0;color:var(--navy-light);font-weight:700}
.amount{font-size:32px;font-weight:700;color:var(--navy)}
.term{color:var(--muted);margin-bottom:20px}
.featured{border:2px solid var(--navy);background:linear-gradient(180deg,#fff,var(--bg-alt))}
.badge{position:absolute;top:-12px;right:20px;background:var(--navy);color:#fff;font-size:12px;font-weight:600;padding:4px 12px;border-radius:99px}
.extras{margin-top:28px;display:grid;grid-template-columns:1fr 1fr;gap:32px}
.extras h3{font-size:20px}
.extras p{margin:0}

/* team */
.person{display:flex;flex-direction:column;align-items:center;text-align:center}
.avatar{width:96px;height:96px;border-radius:50%;display:grid;place-items:center;background:var(--navy);color:#fff;font-size:28px;font-weight:700;margin-bottom:16px}
.person h3{margin-bottom:4px}

/* footer */
.footer{background:var(--navy-dark);color:#fff;padding:72px 0 24px}
.footer h2{color:#fff;font-size:32px;margin-top:28px}
.footer p{opacity:.85}
.footer a{color:#fff}
.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contacts{list-style:none;padding:0;margin:24px 0 0}
.contacts li{margin-bottom:6px}
.copy{margin-top:56px;padding-top:20px;border-top:1px solid rgba(255,255,255,.15);font-size:14px;opacity:.7}

/* responsive */
@media (max-width:900px){
  .hero-grid,.footer-grid,.case-cols,.extras{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .hero-grid{gap:32px;padding-bottom:56px}
  .orbit{left:50%;top:30%;transform:translate(-50%,-50%);opacity:.7}
  .section{padding:64px 0}
  .nav-toggle{display:block}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:16px;padding:20px;background:var(--navy-dark);border-radius:12px}
  .nav-links.open{display:flex}
}