:root{--bg:#101418;--card:#1a2028;--fg:#d7dde3;--mut:#7c8792;--acc:#5b8def;--err:#e06c6c}
*{box-sizing:border-box}
body{margin:0;font:15px/1.5 system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--fg);
  min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}
.card{background:var(--card);border:1px solid #262e38;border-radius:12px;padding:28px;width:100%;max-width:340px}
.brand{font-size:20px;font-weight:600;letter-spacing:.4px;margin-bottom:22px;display:flex;align-items:center;gap:8px}
.dot{width:10px;height:10px;border-radius:50%;background:var(--acc);display:inline-block}
label{display:block;font-size:12.5px;color:var(--mut);margin:12px 0 4px}
input{width:100%;padding:10px 12px;border-radius:8px;border:1px solid #2c3642;background:#121820;color:var(--fg);font-size:15px}
input:focus{outline:none;border-color:var(--acc)}
button,.btn2{width:100%;margin-top:16px;padding:10px;border-radius:8px;border:0;background:var(--acc);
  color:#fff;font-size:15px;cursor:pointer;text-align:center;text-decoration:none;display:block}
.btn2{background:transparent;border:1px solid var(--acc);color:var(--acc)}
.err{color:var(--err);font-size:13px;margin-top:10px}
.hint{font-size:12px;color:var(--mut);min-height:14px;margin-top:4px}
.captcha{display:flex;gap:10px;align-items:center;margin-top:14px;flex-wrap:wrap}
.captcha img{border-radius:8px;border:1px solid #2c3642;background:#fff;flex:0 0 auto;width:200px;height:56px}
.captcha input{flex:1;min-width:120px;padding:14px 12px;text-align:center;font-size:22px;letter-spacing:3px;font-weight:600}
.captcha .lnk{flex:0 0 auto}
.lnk{background:none;border:0;color:var(--mut);cursor:pointer;font-size:16px;padding:4px}
.tiles{display:grid;gap:10px;margin-top:8px}
.tile{display:flex;gap:12px;align-items:center;background:#141a22;border:1px solid #262e38;
  border-radius:10px;padding:14px;text-decoration:none;color:var(--fg)}
.tile:hover{border-color:var(--acc)}
.tile .ic{font-size:22px}
.tile small{color:var(--mut)}
h2{font-size:17px;margin:22px 0 8px}
.doc{background:#141a22;border:1px solid #262e38;border-radius:10px;padding:18px;margin:12px 0}
.doc ul{margin:8px 0;padding-left:20px}
code{background:#0d1218;padding:2px 6px;border-radius:5px;font-size:13px}
.warn{border-color:#5b5b2a}
.spinner{width:36px;height:36px;margin:18px auto 0;border-radius:50%;border:3px solid #2c3642;
  border-top-color:var(--acc);animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
/* ===== Лендинг «Связь» ===== */
.landing{max-width:980px;margin:0 auto;padding:28px 16px 48px}
.landing .hero{text-align:center;padding:36px 8px 26px}
.landing .hero .logo{width:84px;height:84px;border-radius:22px;margin:0 auto 18px;
  background:linear-gradient(180deg,#3b5bdb,#7c9df2);display:flex;align-items:center;justify-content:center;
  font-size:44px;box-shadow:0 10px 30px rgba(59,91,219,.35)}
.landing .hero h1{font-size:34px;margin:0 0 10px;letter-spacing:.5px}
.landing .hero p{color:var(--mut);font-size:16px;max-width:560px;margin:0 auto;line-height:1.55}
.landing .cta-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:24px}
.landing .cta{padding:13px 26px;border-radius:10px;font-size:16px;text-decoration:none;font-weight:600}
.landing .cta.primary{background:var(--acc);color:#fff}
.landing .cta.ghost{border:1px solid var(--acc);color:var(--acc)}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px;margin-top:10px}
.fcard{background:var(--card);border:1px solid #262e38;border-radius:12px;padding:20px}
.fcard .ic{font-size:26px}
.fcard h3{margin:10px 0 6px;font-size:17px}
.fcard p{margin:0;color:var(--mut);font-size:14px;line-height:1.5}
.landing h2.sec{font-size:22px;margin:36px 0 14px}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.step{background:var(--card);border:1px solid #262e38;border-radius:12px;padding:18px}
.step .n{width:30px;height:30px;border-radius:50%;background:var(--acc);color:#fff;display:flex;
  align-items:center;justify-content:center;font-weight:700;margin-bottom:10px}
.quick{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.landing footer{margin-top:40px;text-align:center;color:var(--mut);font-size:13px}