:root{--navy:#071b2d;--navy2:#123b5a;--gold:#f4c542;--gold2:#ffe58a;--blue:#1769d2;--ink:#142433;--muted:#62717e;--bg:#f4f7fa;--line:#dce5eb;--white:#fff;--green:#1e7a47;--radius:18px;--shadow:0 18px 50px rgba(7,27,45,.11)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}a{color:inherit}.wrap{width:min(1160px,calc(100% - 40px));margin:auto}.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:10px;background:#fff;padding:10px;z-index:99}.pilot{background:var(--gold);color:var(--navy);font-weight:750;text-align:center;padding:9px 20px;font-size:.88rem}.nav{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}.nav .wrap{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:25px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:900;letter-spacing:-.03em}.logo{width:44px;height:44px;border-radius:12px;background:var(--navy);color:var(--gold);display:grid;place-items:center;font-size:.83rem}.navlinks{display:flex;align-items:center;gap:23px}.navlinks a{text-decoration:none;font-size:.94rem;font-weight:700}.navlinks a:hover,.navlinks a[aria-current=page]{color:var(--blue)}.menu{display:none;border:0;background:none;font-size:1.6rem}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;padding:12px 20px;background:var(--blue);color:#fff;text-decoration:none;font-weight:800;cursor:pointer;transition:.2s}.btn:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(23,105,210,.24)}.btn.gold{background:var(--gold);color:var(--navy)}.btn.ghost{background:#fff;color:var(--navy);border:1px solid var(--line)}.hero{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff}.hero .wrap{min-height:575px;display:grid;grid-template-columns:1.15fr .85fr;align-items:center;gap:55px;padding:70px 0}.kicker{text-transform:uppercase;letter-spacing:.13em;font-weight:850;font-size:.75rem;color:var(--blue)}.hero .kicker,.dark .kicker{color:var(--gold)}h1,h2,h3{line-height:1.13;letter-spacing:-.035em;margin-top:0}h1{font-size:clamp(2.8rem,6vw,5.1rem);margin:.2em 0}.hero p{color:#d2dfeb;font-size:1.1rem;max-width:700px}.actions{display:flex;flex-wrap:wrap;gap:11px;margin-top:27px}.hero-card{background:#fff;color:var(--ink);padding:30px;border-radius:28px;box-shadow:0 30px 80px rgba(0,0,0,.32);transform:rotate(1.5deg)}.hero-card strong.big{display:block;font-size:5rem;line-height:1;color:var(--blue);letter-spacing:-.08em}.badge{display:inline-flex;width:max-content;border-radius:99px;padding:5px 10px;background:#edf1f4;color:#5f6b75;font-size:.74rem;font-weight:850;text-transform:uppercase;letter-spacing:.04em}.badge.active{background:#daf3df;color:var(--green)}.section{padding:84px 0}.section.white{background:#fff}.section.dark{background:var(--navy);color:#fff}.section h2{font-size:clamp(2rem,4vw,3.2rem);margin-bottom:13px}.lead{max-width:760px;font-size:1.06rem;color:var(--muted)}.dark .lead{color:#c6d5e1}.head{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:32px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;box-shadow:0 7px 25px rgba(7,27,45,.05);display:flex;flex-direction:column;min-height:315px}.card.featured{border:2px solid var(--gold);box-shadow:var(--shadow)}.course-icon{width:58px;height:58px;background:#e8f2ff;color:var(--blue);border-radius:15px;display:grid;place-items:center;font-size:1.25rem;font-weight:900}.card h3{font-size:1.4rem;margin:18px 0 8px}.card p{color:var(--muted);margin:0 0 17px}.card .btn{margin-top:auto}.split{display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:center}.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}.checks,.steps,.modules{list-style:none;padding:0}.checks li,.steps li{position:relative;padding:10px 0 10px 36px;border-bottom:1px solid var(--line)}.checks li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:900}.steps{counter-reset:step}.steps li{counter-increment:step}.steps li:before{content:counter(step);position:absolute;left:0;width:24px;height:24px;background:var(--gold);color:var(--navy);border-radius:50%;display:grid;place-items:center;font-weight:900;font-size:.78rem}.module-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.module{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}.module span{color:var(--blue);font-weight:900;margin-right:8px}.page-hero{background:var(--navy);color:#fff;padding:70px 0}.page-hero h1{font-size:clamp(2.5rem,5vw,4.5rem);margin-bottom:12px}.crumbs{color:#9cb1c2;font-size:.87rem;margin-bottom:14px}.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:30px;align-items:start}.sidebar{position:sticky;top:100px}.notice{background:#fff8d8;border-left:4px solid var(--gold);border-radius:8px;padding:17px}.downloads{display:grid;gap:12px}.download{display:flex;justify-content:space-between;align-items:center;gap:15px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:17px;text-decoration:none}.download:hover{border-color:var(--blue)}.footer{background:#061522;color:#c5d2dc;padding:50px 0 25px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:35px}.footer a{color:#e5eef5}.footer small{display:block;margin-top:30px;padding-top:18px;border-top:1px solid #263c4e}.quiz-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:25px;margin:18px 0}.quiz-card h3{font-size:1.13rem}.answer{display:block;border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin:8px 0;cursor:pointer}.answer:hover{border-color:var(--blue)}.answer.correct{background:#e1f6e8;border-color:#37a565}.answer.wrong{background:#ffe6e6;border-color:#d85c5c}.answer input{margin-right:9px}.explain{display:none;padding:10px 12px;margin-top:9px;border-radius:8px;background:#edf4fb}.explain.show{display:block}.score{display:none;padding:24px;border-radius:var(--radius);background:#fff8d8;margin:22px 0}.score.show{display:block}.form label{display:block;font-weight:750;margin:15px 0 5px}.form input,.form select,.form textarea{width:100%;padding:12px;border:1px solid #bcc9d3;border-radius:10px;font:inherit}.form textarea{min-height:120px}.form-status{margin-top:15px;font-weight:800}.copybox{white-space:pre-wrap;background:#071b2d;color:#e5eef5;border-radius:12px;padding:18px;display:none;margin-top:16px}.copybox.show{display:block}@media(max-width:850px){.menu{display:block}.navlinks{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;padding:22px;flex-direction:column;box-shadow:var(--shadow)}.navlinks.open{display:flex}.hero .wrap,.split,.content-grid{grid-template-columns:1fr}.hero-card{display:none}.grid{grid-template-columns:1fr 1fr}.sidebar{position:static}.module-grid{grid-template-columns:1fr}}@media(max-width:560px){.wrap{width:min(100% - 28px,1160px)}.grid,.footer-grid{grid-template-columns:1fr}.section{padding:60px 0}.hero .wrap{min-height:500px;padding:55px 0}h1{font-size:2.7rem}.head{display:block}.pilot{font-size:.78rem}.page-hero{padding:50px 0}}