*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#ffffff; --bg-alt:#f6f8fb; --fg:#0f172a; --muted:#64748b;
  --brand:#2563eb; --brand-2:#1d4ed8; --line:#e2e8f0; --card:#ffffff;
}
@media (prefers-color-scheme:dark){
  :root{--bg:#0b1120;--bg-alt:#0f172a;--fg:#e2e8f0;--muted:#94a3b8;--line:#1e293b;--card:#111c33;--brand:#3b82f6}
}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--fg);line-height:1.6;-webkit-font-smoothing:antialiased}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{line-height:1.2;letter-spacing:-.02em}
.muted{color:var(--muted)}

/* nav */
.nav{position:sticky;top:0;z-index:20;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;gap:32px;height:64px}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:19px;letter-spacing:-.02em}
.nav-links{display:flex;gap:26px;margin-left:auto;font-size:15px;color:var(--muted)}
.nav-links a:hover{color:var(--fg)}

/* buttons */
.btn{display:inline-block;background:var(--brand);color:#fff;padding:11px 20px;border-radius:8px;
  font-weight:600;font-size:15px;border:1px solid var(--brand);transition:.15s}
.btn:hover{background:var(--brand-2);border-color:var(--brand-2)}
.btn-sm{padding:8px 16px;font-size:14px}
.btn-ghost{background:transparent;color:var(--fg);border:1px solid var(--line)}
.btn-ghost:hover{background:var(--bg-alt);border-color:var(--muted)}

/* hero */
.hero{padding:80px 0 64px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.pill{display:inline-block;font-size:13px;font-weight:600;color:var(--brand);
  background:color-mix(in srgb,var(--brand) 12%,transparent);padding:6px 13px;border-radius:99px;margin-bottom:20px}
.hero h1{font-size:clamp(34px,4.6vw,52px);margin-bottom:18px}
.hero p{font-size:18px;color:var(--muted);max-width:52ch}
.cta-row{display:flex;gap:12px;margin:28px 0 20px;flex-wrap:wrap}
.trust{font-size:14px;color:var(--muted)}
.hero-art img{width:100%;border-radius:14px;border:1px solid var(--line);display:block}

/* stats */
.stats{background:var(--bg-alt);border-bottom:1px solid var(--line);padding:36px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stats-grid strong{display:block;font-size:28px;letter-spacing:-.03em}
.stats-grid span{font-size:14px;color:var(--muted)}

/* sections */
.section{padding:76px 0}
.section.alt{background:var(--bg-alt);border-block:1px solid var(--line)}
.section h2{font-size:clamp(26px,3.2vw,36px);margin-bottom:12px}
.lead{color:var(--muted);font-size:17px;margin-bottom:40px;max-width:60ch}

/* cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;
  display:flex;flex-direction:column}
.card img{width:100%;height:170px;object-fit:cover;display:block}
.card h3{font-size:19px;margin:20px 22px 8px}
.card p{margin:0 22px 22px;color:var(--muted);font-size:15px}

/* how */
.how-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:52px;align-items:center}
.how-art img{width:100%;border-radius:14px;border:1px solid var(--line);display:block}
.steps{margin-top:20px;padding-left:20px;display:grid;gap:14px;color:var(--muted)}
.steps strong{color:var(--fg)}

/* pricing */
.price .plan{padding:28px 24px;position:relative}
.plan h3{margin:0 0 6px;font-size:18px}
.price-tag{font-size:36px;font-weight:700;letter-spacing:-.03em;margin-bottom:18px}
.price-tag span{font-size:15px;font-weight:500;color:var(--muted)}
.plan ul{list-style:none;display:grid;gap:9px;margin-bottom:24px;color:var(--muted);font-size:15px}
.plan ul li::before{content:"✓";color:var(--brand);font-weight:700;margin-right:9px}
.plan .btn,.plan .btn-ghost{text-align:center;margin-top:auto}
.plan.featured{border-color:var(--brand);box-shadow:0 10px 34px -18px color-mix(in srgb,var(--brand) 60%,transparent)}
.ribbon{position:absolute;top:16px;right:16px;font-size:12px;font-weight:700;color:var(--brand);
  background:color-mix(in srgb,var(--brand) 14%,transparent);padding:4px 10px;border-radius:99px}

/* status */
.status-wrap{max-width:640px}
.status-list{list-style:none;display:grid;gap:12px;margin:24px 0 16px}
.status-list li{display:flex;align-items:center;gap:12px;background:var(--card);
  border:1px solid var(--line);border-radius:10px;padding:14px 18px;font-size:15px}
.status-list em{margin-left:auto;font-style:normal;color:#16a34a;font-weight:600;font-size:14px}
.dot{width:9px;height:9px;border-radius:50%;flex:none}
.dot.ok{background:#16a34a;box-shadow:0 0 0 4px color-mix(in srgb,#16a34a 18%,transparent)}

/* footer */
.footer{border-top:1px solid var(--line);padding:52px 0 28px;background:var(--bg)}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px}
.foot-grid h4{font-size:14px;margin-bottom:12px}
.foot-grid a{display:block;color:var(--muted);font-size:14px;padding:3px 0}
.foot-grid a:hover{color:var(--fg)}
.foot-grid .brand{margin-bottom:10px;font-size:17px}
.foot-grid p{font-size:14px;max-width:34ch}
.foot-bottom{margin-top:36px;padding-top:20px;border-top:1px solid var(--line);font-size:13px}

@media (max-width:860px){
  .hero-grid,.how-grid{grid-template-columns:1fr;gap:34px}
  .cards{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .hero{padding:52px 0 44px}
}

/* --- auth pages --- */
.auth-wrap{min-height:calc(100vh - 64px);display:flex;align-items:center;justify-content:center;padding:48px 24px}
.auth-card{width:100%;max-width:420px;background:var(--card);border:1px solid var(--line);
  border-radius:16px;padding:36px 32px}
.auth-card h1{font-size:25px;margin-bottom:8px}
.auth-card>p{margin-bottom:26px;font-size:15px}
.auth-form{display:grid;gap:16px}
.auth-form label{display:grid;gap:7px;font-size:14px;font-weight:600}
.auth-form input{padding:11px 13px;border:1px solid var(--line);border-radius:8px;
  background:var(--bg);color:var(--fg);font-size:15px;font-weight:400;font-family:inherit}
.auth-form input:focus{outline:2px solid var(--brand);outline-offset:-1px;border-color:var(--brand)}
.auth-form .btn{width:100%;padding:12px;font-size:15px;cursor:pointer}
.auth-error{display:none;background:color-mix(in srgb,#dc2626 12%,transparent);
  color:#dc2626;border:1px solid color-mix(in srgb,#dc2626 30%,transparent);
  padding:11px 14px;border-radius:8px;font-size:14px}
.auth-alt{margin-top:22px;font-size:14px;text-align:center}
.auth-alt a{color:var(--brand);font-weight:600}

/* --- article pages --- */
.article{max-width:760px}
.article h1{font-size:clamp(30px,4vw,40px);margin-bottom:14px}
.article h2{font-size:21px;margin:34px 0 10px}
.article p{color:var(--muted);margin-bottom:14px}
.article a{color:var(--brand);font-weight:500}
.article .lead{font-size:18px;margin-bottom:28px}
.center-block{text-align:center}
.role-list{list-style:none;display:grid;gap:14px;margin:18px 0 24px}
.role-list li{background:var(--card);border:1px solid var(--line);border-radius:10px;
  padding:16px 20px;color:var(--muted);font-size:15px}
.role-list strong{color:var(--fg);display:block;margin-bottom:4px}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:24px 0}
.contact-card{padding:22px}
.contact-card h3{margin:0 0 8px;font-size:17px}
.contact-card p{margin:0 0 6px;font-size:14px}
@media (max-width:760px){.contact-grid{grid-template-columns:1fr}}