.landing{--night:#070b2e;--navy:#0b1150;--blue:#4c8fe0;--ice:#cfe3ff;--white:#fff;--glass:hsla(0,0%,100%,.08);--glassHover:hsla(0,0%,100%,.16);--edge:hsla(0,0%,100%,.28);min-height:100%;background:var(--night);color:var(--white)}.landing .bg{position:fixed;inset:0;z-index:0;overflow:hidden;background:radial-gradient(120% 90% at 50% 10%,#16206e 0,var(--navy) 45%,var(--night) 100%)}.landing .bg canvas,.landing .bg video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.landing .bg video{opacity:0;transition:opacity .8s}.landing .bg video.ready{opacity:1}.landing .bg:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,46,.35),rgba(7,11,46,.55) 60%,rgba(7,11,46,.8))}.landing .wrap{position:relative;z-index:1;min-height:100vh;min-height:100dvh;padding:56px 20px 28px}.landing .brand,.landing .wrap{display:flex;flex-direction:column;align-items:center}.landing .brand{text-align:center;margin-bottom:44px}.landing .badge{width:88px;height:88px;border-radius:50%;overflow:hidden;background:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 6px hsla(0,0%,100%,.12)}.landing .badge img{width:70px;height:70px}.landing .brand h1{font-size:clamp(40px,7vw,64px);line-height:1;margin:22px 0 8px;letter-spacing:-.01em}.landing .brand p{margin:0;color:var(--ice);font-size:16px}.landing .groups{width:100%;max-width:980px;display:grid;grid-gap:30px;gap:30px}.landing .group h2{font-size:15px;font-weight:700;color:var(--ice);margin:0 0 12px;display:flex;align-items:center;gap:12px}.landing .group h2:after{content:"";flex:1 1;height:1px;background:var(--edge)}.landing .grid{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:12px;gap:12px}.landing .course{position:relative;display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:64px;padding:12px 18px;border-radius:12px;border:1px solid var(--edge);background:var(--glass);color:var(--white);font:inherit;font-weight:700;font-size:16px;text-align:left;cursor:pointer;text-decoration:none;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);transition:background .15s,border-color .15s,transform .15s}.landing .course:hover{background:var(--glassHover);border-color:hsla(0,0%,100%,.5)}.landing .course:active{transform:translateY(1px)}.landing .course:focus-visible{outline:3px solid var(--ice);outline-offset:3px}.landing .course.live{background:var(--white);color:var(--navy);border-color:var(--white)}.landing .course.live:hover{background:var(--ice)}.landing .course .pill{font-size:11.5px;font-weight:700;padding:3px 9px;border-radius:10px;background:var(--navy);color:var(--white);white-space:nowrap}.landing .duo{width:100%;max-width:820px;display:grid;grid-template-columns:1fr 1fr;grid-gap:18px;gap:18px}.landing .course.big{flex-direction:column;align-items:flex-start;justify-content:center;gap:6px;min-height:150px;padding:26px 28px;border-radius:16px}.landing .course.big .l1{font-size:15px;font-weight:700;color:var(--ice);letter-spacing:.01em}.landing .course.big .l2{font-size:clamp(22px,3vw,28px);line-height:1.2}.landing .course.big.live .l1{color:#3a4c9a}@media (max-width:719px){.landing .duo{grid-template-columns:1fr}.landing .course.big{min-height:120px}}.landing .course.big .l3{font-size:13.5px;font-weight:400;line-height:1.45;margin-top:6px;color:var(--ice)}.landing .course.big.live .l3{color:#3a4270}.landing .course.big .l4{list-style:none;margin:8px 0 0;padding:0;font-size:13.5px;font-weight:400;line-height:1.6;color:var(--ice)}.landing .course.big .l4 li{display:flex;align-items:center;gap:8px}.landing .course.big .l4 li:before{content:"";width:5px;height:5px;border-radius:1px;background:var(--blue);flex:none}.landing .course.big{justify-content:flex-start}.landing .course.big .l3,.landing .course.big .l4{margin-top:8px;font-size:13.5px;line-height:1.6}.landing .course.big .l3 .ln{display:block}@media (max-width:719px){.landing .course.big .l3 .ln{display:inline}}.landing .foot{margin-top:auto;padding-top:48px;text-align:center;font-size:12.5px;color:rgba(207,227,255,.75);line-height:1.7}.landing .foot a{color:inherit}.landing .modal-bg{position:fixed;inset:0;z-index:10;background:rgba(3,5,25,.6);display:flex;align-items:center;justify-content:center;padding:20px}.landing .modal-bg[hidden]{display:none}.landing .modal{background:#fff;color:var(--navy);border-radius:14px;padding:26px 28px;max-width:380px;width:100%;text-align:center}.landing .modal .sub{font-size:13px;font-weight:700;color:#5a6390;margin:0}.landing .modal h3{font-size:26px;margin:6px 0 8px}.landing .modal p{margin:0 0 20px;color:#3a4270;font-size:15px;line-height:1.5}.landing .modal button{background:var(--navy);color:#fff;border:0;border-radius:22px;padding:10px 26px;font:inherit;font-weight:700;cursor:pointer}@media (max-width:820px){.landing .grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:380px){.landing .course{font-size:14.5px;padding:10px 12px}}@media (prefers-reduced-motion:reduce){.landing .bg video,.landing .course{transition:none}}