:root{--ink:#101727;--muted:#5d6678;--paper:#f6f8fc;--card:#fff;--line:#dbe1eb;--blue:#1769ff;--cyan:#13c3c8;--violet:#7557ff;--navy:#0b1324;--radius:24px;--shadow:0 18px 55px rgba(20,37,70,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16px;line-height:1.65}a{color:inherit}img{max-width:100%}.wrap{width:min(1160px,calc(100% - 40px));margin:auto}.skip{position:absolute;left:-9999px}.skip:focus{left:18px;top:18px;z-index:100;background:#fff;padding:10px 14px;border-radius:10px}.site-header{position:sticky;top:0;z-index:40;background:rgba(246,248,252,.9);backdrop-filter:blur(16px);border-bottom:1px solid rgba(219,225,235,.8)}.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{text-decoration:none;font-weight:850;letter-spacing:-.04em;font-size:1.35rem}.brand-mark{color:var(--blue)}.nav-links{display:flex;align-items:center;gap:28px}.nav-links a{text-decoration:none;font-weight:650;color:#30394b}.nav-links a:hover,.nav-links a:focus{color:var(--blue)}.nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:8px 10px;font:inherit}.hero{position:relative;overflow:hidden;padding:92px 0 72px;background:radial-gradient(circle at 78% 10%,rgba(117,87,255,.25),transparent 31%),radial-gradient(circle at 9% 90%,rgba(19,195,200,.20),transparent 28%),var(--navy);color:#fff}.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;align-items:center;gap:70px}.eyebrow{text-transform:uppercase;letter-spacing:.18em;font-size:.76rem;font-weight:800;color:#65e4e7}.hero h1{font-size:clamp(2.8rem,7vw,5.7rem);line-height:.94;letter-spacing:-.065em;margin:16px 0 24px;max-width:780px}.hero p{color:#c9d2e3;font-size:1.1rem;max-width:650px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:12px 20px;border-radius:999px;background:var(--blue);color:#fff;text-decoration:none;font-weight:750;border:1px solid transparent;cursor:pointer;font:inherit}.btn:hover{filter:brightness(1.08)}.btn.secondary{background:transparent;border-color:#69758d}.btn.light{background:#fff;color:var(--navy)}.code-orbit{position:relative;min-height:440px;border:1px solid rgba(255,255,255,.14);border-radius:36px;background:linear-gradient(145deg,rgba(255,255,255,.10),rgba(255,255,255,.025));box-shadow:inset 0 1px rgba(255,255,255,.2);display:grid;place-items:center}.code-panel{width:80%;background:#0e182d;border:1px solid #35425a;border-radius:20px;box-shadow:0 35px 80px rgba(0,0,0,.35);overflow:hidden;transform:rotate(-3deg)}.code-top{height:44px;border-bottom:1px solid #26334b;display:flex;align-items:center;gap:7px;padding:0 16px}.dot{width:10px;height:10px;border-radius:50%;background:#ff6a67}.dot:nth-child(2){background:#ffd257}.dot:nth-child(3){background:#58d884}.code{font:600 .87rem/1.9 ui-monospace,SFMono-Regular,Menlo,monospace;padding:24px;color:#dce6ff}.kw{color:#df8cff}.fn{color:#58dce0}.str{color:#ffce73}.num{color:#7ca7ff}.section{padding:88px 0}.section.alt{background:#fff}.section-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:36px}.section h2,.page-hero h1{font-size:clamp(2rem,4vw,3.6rem);letter-spacing:-.045em;line-height:1.08;margin:0}.section-head p{max-width:520px;color:var(--muted);margin:0}.split{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;align-items:start}.copy p{color:var(--muted)}.catalog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.course-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 30px rgba(18,31,55,.05);transition:.2s}.course-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.cover{min-height:205px;padding:24px;color:#fff;background:radial-gradient(circle at 82% 18%,rgba(255,255,255,.24),transparent 20%),linear-gradient(135deg,var(--blue),var(--violet));display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}.cover:after{content:"{ }";position:absolute;right:-5px;bottom:-40px;font:900 8rem/1 ui-monospace;color:rgba(255,255,255,.12)}.cover small{letter-spacing:.16em;text-transform:uppercase;font-weight:800}.cover strong{font-size:1.8rem;line-height:1.05;max-width:220px}.card-body{padding:24px;display:flex;flex:1;flex-direction:column}.card-body p{color:var(--muted);margin:.5rem 0 1.4rem}.card-meta{display:flex;justify-content:space-between;gap:12px;margin-top:auto;align-items:center}.price{font-weight:850;font-size:1.25rem}.text-link{color:var(--blue);font-weight:750;text-decoration:none}.center{text-align:center;margin-top:34px}.mission{background:linear-gradient(135deg,#102342,#101727);color:#fff;border-radius:36px;padding:54px}.mission p{color:#c8d2e4;max-width:850px}.benefits{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.benefit{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px}.icon{width:48px;height:48px;border-radius:14px;background:#eaf0ff;color:var(--blue);display:grid;place-items:center;font-size:1.35rem;font-weight:800}.benefit h3{margin:18px 0 8px}.benefit p{color:var(--muted);margin:0}.free-banner{display:grid;grid-template-columns:1fr auto;align-items:center;gap:30px;padding:46px;border-radius:30px;background:linear-gradient(120deg,#eaf1ff,#e8fbfb);border:1px solid #cfe2ef}.faq-list{display:grid;gap:12px}.faq{background:#fff;border:1px solid var(--line);border-radius:16px}.faq summary{cursor:pointer;font-weight:750;padding:20px 54px 20px 20px;position:relative}.faq summary::marker{content:""}.faq summary:after{content:"+";position:absolute;right:20px;font-size:1.3rem}.faq[open] summary:after{content:"−"}.faq p{color:var(--muted);padding:0 20px 20px;margin:0}.site-footer{background:var(--navy);color:#d8e0ee;padding:64px 0 24px}.footer-grid{display:grid;grid-template-columns:1.45fr .8fr .8fr;gap:70px}.site-footer h3{color:#fff;margin-top:0}.site-footer a{color:#d8e0ee;text-decoration:none}.site-footer a:hover{color:#fff}.footer-links{display:grid;gap:9px}.contact-lines{display:grid;gap:6px;color:#aeb9cb}.placeholder{color:#ffce73}.social{display:flex;gap:12px;margin-top:16px}.copyright{border-top:1px solid #29354a;margin-top:42px;padding-top:22px;color:#8f9bad;font-size:.9rem}.page-hero{padding:72px 0 48px;background:#eef3ff}.page-hero p{color:var(--muted);max-width:720px;font-size:1.08rem}.prose{max-width:850px;margin:auto}.prose h2{font-size:1.6rem;margin-top:2.2em}.prose h3{font-size:1.2rem;margin-top:1.8em}.prose p,.prose li{color:#424c5f}.prose a{color:var(--blue)}.product-view{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:start}.product-cover{position:sticky;top:110px}.product-cover .cover{min-height:470px;border-radius:30px}.product-info h1{font-size:clamp(2.5rem,5vw,4.5rem);line-height:1;letter-spacing:-.055em;margin:.2em 0}.chips{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0}.chip{border:1px solid var(--line);padding:6px 11px;border-radius:999px;font-size:.86rem;background:#fff}.product-price{font-size:2rem;font-weight:850;margin:24px 0}.module-list{display:grid;gap:10px;padding:0;list-style:none}.module-list li{background:#fff;border:1px solid var(--line);border-radius:14px;padding:15px 18px}.module-list li:before{content:"✓";color:var(--blue);font-weight:900;margin-right:10px}.notice{padding:18px;border-radius:14px;background:#fff7dc;border:1px solid #f0d781;color:#594817}.loading-shell{min-height:70vh;display:grid;place-items:center;text-align:center;padding:40px}.spinner{width:52px;height:52px;border:5px solid #dce4f1;border-top-color:var(--blue);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 24px}@keyframes spin{to{transform:rotate(360deg)}}.contact-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px}.error{color:#b3261e}.legal-note{padding:16px;border-left:4px solid var(--blue);background:#edf3ff}.not-found{text-align:center;padding:100px 20px}
@media(max-width:900px){.hero-grid,.split,.product-view{grid-template-columns:1fr}.code-orbit{min-height:350px}.catalog-grid{grid-template-columns:repeat(2,1fr)}.benefits{grid-template-columns:repeat(2,1fr)}.product-cover{position:static}
                        .footer-grid{grid-template-columns:1fr 1fr}
                        .footer-grid>div:first-child{grid-column:1/-1}}
.social {
  display: flex;
  gap: 12px;
  margin-top: 12px;
}

.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: currentColor;
  transition: background 0.2s ease, transform 0.2s ease;
}

.social-icon:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-2px);
}

.social-icon svg {
  display: block;
}
@media(max-width:640px){.wrap{width:min(100% - 28px,1160px)}.nav-toggle{display:block}.nav-links{display:none;position:absolute;left:14px;right:14px;top:68px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}.nav-links.open{display:flex}.hero{padding:64px 0}.hero-grid{gap:40px}.hero h1{font-size:3.2rem}.code-orbit{min-height:300px}.code-panel{width:88%}.section{padding:64px 0}.section-head{display:block}.section-head p{margin-top:14px}.catalog-grid,.benefits,.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.mission{padding:32px 24px;border-radius:24px}.free-banner{grid-template-columns:1fr;padding:30px 24px}.product-cover .cover{min-height:320px}.nav{min-height:68px}}