:root{
  --bg:#f6f8fc;
  --surface:rgba(255,255,255,.86);
  --surface-strong:#ffffff;
  --text:#0f172a;
  --muted:#475569;
  --line:#dbe4f0;
  --primary:#2563eb;
  --primary-dark:#1d4ed8;
  --accent:#10b981;
  --dark:#0f172a;
  --shadow:0 24px 60px rgba(15,23,42,.10);
  --radius-xl:28px;
  --radius-lg:22px;
  --radius-md:16px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--text);
  line-height:1.72;
  background:
    radial-gradient(circle at top left, rgba(37,99,235,.10), transparent 28%),
    radial-gradient(circle at right, rgba(16,185,129,.10), transparent 26%),
    var(--bg);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(var(--max),calc(100% - 32px));margin:0 auto}
.topbar{
  position:sticky;top:0;z-index:100;background:rgba(246,248,252,.78);
  backdrop-filter:blur(16px);border-bottom:1px solid rgba(219,228,240,.88)
}
.nav{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:14px;font-weight:800;letter-spacing:-.03em}
.brand-mark{
  width:42px;height:42px;border-radius:14px;display:grid;place-items:center;color:#fff;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  box-shadow:0 12px 24px rgba(37,99,235,.22);font-size:1.1rem
}
.nav-links{display:flex;align-items:center;gap:22px;color:var(--muted);font-weight:600}
.nav-links a:hover{color:var(--text)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;
  padding:0 22px;border-radius:999px;border:1px solid transparent;font-weight:700;
  transition:.22s ease;cursor:pointer
}
.btn-primary{
  color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  box-shadow:0 16px 30px rgba(37,99,235,.22)
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 20px 34px rgba(37,99,235,.28)}
.btn-secondary{color:var(--text);background:rgba(255,255,255,.8);border-color:var(--line)}
.btn-secondary:hover{background:#fff;transform:translateY(-1px)}
.hero{padding:72px 0 36px}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:28px;align-items:stretch}
.card{
  background:var(--surface);border:1px solid rgba(255,255,255,.88);
  border-radius:var(--radius-xl);box-shadow:var(--shadow);backdrop-filter:blur(18px)
}
.hero-copy{padding:42px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;padding:8px 14px;
  border-radius:999px;font-size:.92rem;font-weight:800;color:var(--primary-dark);
  background:rgba(37,99,235,.10);border:1px solid rgba(37,99,235,.16)
}
h1{margin:0;font-size:clamp(2.4rem,5vw,4.6rem);line-height:.98;letter-spacing:-.055em}
.hero-lead{margin:22px 0 0;font-size:1.15rem;color:var(--muted);max-width:760px}
.hero-points{list-style:none;padding:0;margin:28px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.hero-points li{
  display:flex;gap:10px;align-items:flex-start;padding:14px 16px;border-radius:18px;
  background:rgba(255,255,255,.84);border:1px solid var(--line);font-weight:600
}
.hero-points span{
  width:24px;height:24px;border-radius:999px;display:grid;place-items:center;flex-shrink:0;
  background:rgba(16,185,129,.14);color:var(--accent);margin-top:1px
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-note{margin-top:16px;color:var(--muted);font-size:.95rem}
.hero-form{padding:34px;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}
.hero-form::before{
  content:"";position:absolute;right:-70px;bottom:-70px;width:240px;height:240px;border-radius:999px;
  background:radial-gradient(circle, rgba(16,185,129,.18), transparent 70%);pointer-events:none
}
.form-title{font-size:1.85rem;line-height:1.08;margin:0 0 12px;letter-spacing:-.045em}
.form-text{margin:0 0 22px;color:var(--muted)}
.mini-label{font-size:.88rem;text-transform:uppercase;letter-spacing:.12em;font-weight:800;color:var(--primary-dark);margin-bottom:12px}
.lead-form{display:grid;gap:14px;position:relative;z-index:1}
.input{
  width:100%;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.96);
  padding:16px 18px;font:inherit;color:var(--text);outline:none;transition:.2s ease
}
.input:focus{border-color:rgba(37,99,235,.55);box-shadow:0 0 0 4px rgba(37,99,235,.10)}
.form-footnote{font-size:.88rem;color:var(--muted);margin-top:8px}
.micro-course{
  margin-top:18px;padding:16px 18px;border-radius:18px;background:rgba(15,23,42,.04);
  border:1px dashed rgba(15,23,42,.10)
}
.micro-course strong{display:block;margin-bottom:6px;font-size:1rem}
.micro-course span{color:var(--muted);font-size:.94rem}
.section{padding:70px 0}
.section-head{max-width:780px;margin-bottom:28px}
.section-kicker{
  margin:0 0 10px;color:var(--primary-dark);font-weight:800;text-transform:uppercase;
  letter-spacing:.12em;font-size:.84rem
}
h2{margin:0;font-size:clamp(1.9rem,3vw,3rem);line-height:1.06;letter-spacing:-.05em}
.section-desc{margin-top:14px;color:var(--muted);font-size:1.05rem}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature{
  padding:26px;border-radius:24px;background:rgba(255,255,255,.86);
  border:1px solid var(--line);box-shadow:var(--shadow)
}
.feature-icon{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;font-size:1.2rem;
  background:rgba(37,99,235,.10);color:var(--primary-dark);margin-bottom:16px
}
.feature h3{margin:0 0 8px;font-size:1.12rem;letter-spacing:-.03em}
.feature p{margin:0;color:var(--muted)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start}
.dark-card{
  padding:34px;border-radius:28px;background:linear-gradient(145deg,#0f172a,#162033);
  color:#e2e8f0;box-shadow:0 24px 50px rgba(15,23,42,.28)
}
.dark-card h3{margin:0 0 14px;font-size:1.45rem;letter-spacing:-.04em;color:#fff}
.dark-card p,.dark-card li{color:rgba(226,232,240,.85)}
.dark-card ul{margin:18px 0 0;padding-left:20px}
.light-stack{display:grid;gap:16px}
.mini-card{
  padding:22px;border-radius:22px;background:rgba(255,255,255,.86);
  border:1px solid var(--line);box-shadow:var(--shadow)
}
.mini-card strong{display:block;margin-bottom:8px;font-size:1.08rem;letter-spacing:-.03em}
.steps{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.step{
  padding:22px;border-radius:22px;background:rgba(255,255,255,.86);border:1px solid var(--line);
  box-shadow:var(--shadow);display:flex;gap:16px;align-items:flex-start
}
.step-number{
  width:42px;height:42px;border-radius:14px;display:grid;place-items:center;flex-shrink:0;
  background:linear-gradient(135deg, rgba(37,99,235,.12), rgba(16,185,129,.16));
  color:var(--primary-dark);font-weight:800
}
.step h3{margin:2px 0 8px;font-size:1.08rem;letter-spacing:-.03em}
.step p{margin:0;color:var(--muted)}
.quote{
  padding:30px;border-radius:28px;background:linear-gradient(135deg, rgba(37,99,235,.12), rgba(16,185,129,.12));
  border:1px solid rgba(37,99,235,.18);box-shadow:var(--shadow);
  font-size:1.24rem;line-height:1.55;letter-spacing:-.03em;font-weight:700
}
.quote small{display:block;margin-top:10px;font-size:.95rem;color:var(--muted);font-weight:600}
.cta{padding-bottom:84px}
.cta-card{
  padding:38px;border-radius:30px;background:linear-gradient(135deg,#0f172a 0%, #172554 58%, #0f766e 100%);
  color:#fff;box-shadow:0 30px 70px rgba(15,23,42,.25);display:grid;grid-template-columns:1fr auto;gap:22px;align-items:center
}
.cta-card h2{color:#fff}
.cta-card p{color:rgba(255,255,255,.86);margin:12px 0 0;max-width:720px}
.footer{padding:24px 0 40px;color:var(--muted);font-size:.96rem}
.footer-line{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-top:18px;border-top:1px solid var(--line)}

.page{padding:36px 0 70px}
.breadcrumbs{color:var(--muted);font-size:.95rem;margin-bottom:18px}
.breadcrumbs a{color:var(--primary-dark)}
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:22px;align-items:start}
.article-card,.sidebar-card{
  background:rgba(255,255,255,.88);border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow)
}
.article-card{padding:34px}
.article-card h1{font-size:clamp(2rem,4vw,3.6rem);margin-bottom:12px}
.article-lead{font-size:1.1rem;color:var(--muted);margin:0 0 24px}
.quick-answer,.info-box,.cta-box,.related-box,.faq-box{
  padding:20px 22px;border-radius:20px;margin:26px 0
}
.quick-answer{background:#eff6ff;border:1px solid #bfdbfe}
.info-box{background:#f8fafc;border-left:4px solid var(--primary)}
.cta-box{background:#ecfeff;border:1px solid #a5f3fc}
.faq-box{background:#f8fafc;border:1px solid #e5e7eb}
.article-card h2{font-size:1.55rem;margin:28px 0 12px}
.article-card h3{font-size:1.1rem;margin:18px 0 8px}
.article-card ul,.article-card ol{padding-left:22px}
.article-card li{margin-bottom:8px}
.article-card p{margin:0 0 16px}
.sidebar-card{padding:22px;position:sticky;top:96px}
.sidebar-card h3{margin:0 0 10px;font-size:1.1rem}
.sidebar-card p{margin:0 0 12px;color:var(--muted)}
.sidebar-card ul{margin:0;padding-left:18px}
.sidebar-card li{margin-bottom:8px}
.grid-links{display:grid;gap:10px}
.grid-links a{
  padding:12px 14px;border-radius:14px;background:#f8fafc;border:1px solid #e5e7eb;
  font-weight:600;color:#1d4ed8
}
.grid-links a:hover{background:#eff6ff}
.hero-mini{padding:24px;background:linear-gradient(135deg,#0f172a 0%, #172554 58%, #0f766e 100%);color:#fff;border-radius:22px;margin-bottom:16px}
.hero-mini h3{margin:0 0 8px;color:#fff}
.hero-mini p{margin:0;color:rgba(255,255,255,.86)}
.catalog-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.catalog-card{padding:24px;border-radius:22px;background:rgba(255,255,255,.88);border:1px solid var(--line);box-shadow:var(--shadow)}
.catalog-card h3{margin:0 0 12px;font-size:1.18rem}
.catalog-card ul{margin:0;padding-left:18px}
.catalog-card li{margin-bottom:8px}
.hero-simple{padding:54px 0 24px}
.hero-simple-card{padding:34px;background:rgba(255,255,255,.88);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow)}
.hero-simple-card h1{font-size:clamp(2.3rem,4vw,4rem)}
.hero-simple-card p{font-size:1.08rem;color:var(--muted);max-width:760px}

@media (max-width:1080px){
  .hero-grid,.split,.cta-card,.article-wrap{grid-template-columns:1fr}
  .features-grid,.catalog-grid{grid-template-columns:1fr 1fr}
  .sidebar-card{position:static}
}
@media (max-width:760px){
  .nav-links{display:none}
  .hero,.section,.page{padding:48px 0}
  .hero-copy,.hero-form,.dark-card,.cta-card,.hero-simple-card,.article-card,.sidebar-card{padding:26px}
  .hero-points,.features-grid,.steps,.catalog-grid{grid-template-columns:1fr}
  h1{font-size:clamp(2.2rem,10vw,3.3rem)}
}