:root{
  --blue:#1646FF;--blue-d:#0F34C9;--soft:#5B7CFF;--lime:#E5FB6D;--bg:#EEF1F1;
  --ink:#14141E;--muted:#5B5B62;--line:#E2E6E6;--sky:#4FC3F7;
  --r:28px;--tab:44px;--cut:12px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{font-family:Inter,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.55;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
ul{list-style:none}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.ic{width:28px;height:28px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
h2{font-size:clamp(28px,3.4vw,40px);font-weight:500;line-height:1.15;letter-spacing:-.02em}
h3{font-weight:600}

/* кнопки Robocode: великі літери, зрізані кути */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 28px;font:700 14px/1.2 Inter,Arial,sans-serif;text-transform:uppercase;letter-spacing:.01em;text-decoration:none;text-align:center;border:0;cursor:pointer;
  clip-path:polygon(var(--cut) 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%,0 var(--cut));transition:filter .2s,transform .2s}
.btn:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn:focus-visible{outline:3px solid var(--ink);outline-offset:3px}
.btn-lime{background:var(--lime);color:var(--ink)}
.btn-soft{background:var(--soft);color:#fff}
.btn-blue{background:var(--blue);color:#fff}
.btn-ink{background:var(--ink);color:#fff}

/* плитки з виступом-вкладкою, як на robocode.ua */
.tile{position:relative;border-radius:var(--r);padding:56px 60px;margin-top:28px}
.tab-l,.tab-r{margin-top:calc(28px + var(--tab))}
.tab-l{border-top-left-radius:0}
.tab-r{border-top-right-radius:0}
.tab-l::before,.tab-r::before{content:"";position:absolute;top:calc(-1 * var(--tab));height:calc(var(--tab) + 2px);width:38%;background:inherit}
.tab-l::before{left:0;border-top-left-radius:var(--r);clip-path:polygon(0 0,calc(100% - var(--tab)) 0,100% 100%,0 100%)}
.tab-r::before{right:0;border-top-right-radius:var(--r);clip-path:polygon(var(--tab) 0,100% 0,100% 100%,0 100%)}
.foot-r{border-bottom-right-radius:0;margin-bottom:calc(28px + var(--tab))}
.foot-r::after{content:"";position:absolute;right:0;bottom:calc(-1 * var(--tab));width:30%;height:calc(var(--tab) + 2px);background:inherit;border-bottom-right-radius:var(--r);clip-path:polygon(0 0,100% 0,100% 100%,var(--tab) 100%)}
.t-blue{background:var(--blue);color:#fff}
.t-white{background:#fff}
.t-lime{background:var(--lime)}

/* шапка */
.hdr{position:sticky;top:0;z-index:40;background:rgba(238,241,241,.92);backdrop-filter:blur(8px)}
.hdr-row{display:flex;align-items:center;gap:28px;height:72px}
.logo img{width:122px;height:auto}
.nav{display:flex;gap:24px;margin-left:auto}
.nav a{text-decoration:none;font-weight:500;font-size:15px}
.nav a:hover{color:var(--blue)}
.hdr-tg{display:flex;width:42px;height:42px;border-radius:50%;background:#fff;align-items:center;justify-content:center;color:var(--blue)}
.hdr-tg .ic{width:22px;height:22px}
.hdr-tel{display:inline-flex;align-items:center;gap:8px;background:var(--blue);color:#fff;text-decoration:none;font-weight:600;font-size:15px;padding:9px 16px;border-radius:12px;white-space:nowrap}
.hdr-tel .ic{width:18px;height:18px}

/* перший екран */
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;padding:52px 60px 64px;margin-top:16px}
.kicker{font-size:18px;opacity:.9}
.hero h1{font-size:clamp(34px,4.4vw,54px);font-weight:500;line-height:1.08;letter-spacing:-.025em;margin:12px 0 20px}
.hero-lead{font-size:18px;line-height:1.55;max-width:560px;opacity:.95}
.hero-act{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-note{margin-top:20px;font-size:15px;opacity:.85}
.hero-pic{position:relative}
.hero-pic img{border-radius:20px;width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-pic figcaption{position:absolute;left:16px;bottom:16px;background:var(--ink);color:#fff;font-size:14px;padding:6px 12px;border-radius:8px}

/* заголовки секцій */
.sec-hd{max-width:760px}
.sec-hd p{margin-top:14px;font-size:17px;color:var(--muted)}
.t-blue .sec-hd p{color:rgba(255,255,255,.85)}
.sec-hd-row{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;max-width:none}
.sec-hd-row > div{max-width:720px}
.badge{display:inline-block;vertical-align:middle;background:var(--blue);color:#fff;font-size:13px;font-weight:600;padding:3px 9px;border-radius:6px;letter-spacing:0;margin-left:6px}
.note{display:flex;align-items:center;gap:8px;font-size:14px;white-space:nowrap;opacity:.9}
.note .ic{width:20px;height:20px}

/* що вивчаємо */
.know-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px 60px;margin-top:40px}
.kn{display:flex;gap:18px}
.kn .ic{color:var(--blue);width:38px;height:38px;stroke-width:1.6}
.kn h3{font-size:24px;font-weight:500;letter-spacing:-.01em}
.kn p{color:var(--muted);margin-top:6px;font-size:15px}

/* як навчаємо */
.how-main{display:grid;grid-template-columns:1.15fr 1fr;gap:44px;margin-top:40px;align-items:center}
.how-main > img{border-radius:20px;aspect-ratio:16/10;object-fit:cover;width:100%}
.how-list{display:grid;gap:26px}
.how-list li{display:flex;gap:16px}
.how-list .ic{color:var(--blue);width:34px;height:34px}
.how-list h3{font-size:19px}
.how-list p{color:var(--muted);font-size:15px;margin-top:4px}
.how-duo{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:40px}
.how-card{background:var(--bg);border-radius:22px;overflow:hidden;display:flex;flex-direction:column}
.how-card img{aspect-ratio:16/9;object-fit:cover;width:100%}
.how-card > div{padding:24px 26px 28px}
.how-card h3{display:flex;align-items:center;gap:10px;font-size:20px}
.how-card h3 .ic{color:var(--blue)}
.how-card p{color:var(--muted);font-size:15px;margin-top:8px}

/* курси */
.ages{display:flex;align-items:center;gap:18px;margin-top:36px;flex-wrap:wrap}
.ages-lbl{font-weight:600;font-size:17px}
.ages-btns{display:flex;gap:8px;flex-wrap:wrap}
.ages-btns button{width:48px;height:44px;border:1.5px solid rgba(255,255,255,.45);background:transparent;color:#fff;border-radius:10px;font:600 16px Inter,Arial,sans-serif;cursor:pointer;transition:background .2s,color .2s}
.ages-btns button:hover{background:rgba(255,255,255,.12)}
.ages-btns button[aria-pressed=true]{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.ages-btns button:focus-visible{outline:3px solid var(--lime);outline-offset:2px}
.gantt{display:grid;grid-template-columns:repeat(7,1fr);gap:8px 0;margin-top:22px;background:rgba(255,255,255,.08);border-radius:18px;padding:16px 16px 18px}
.g-axis{grid-column:1/-1;display:grid;grid-template-columns:repeat(7,1fr);font-size:13px;opacity:.75;margin-bottom:4px}
.g-axis span{border-left:1px dashed rgba(255,255,255,.35);padding-left:8px}
.g-bar{grid-column:var(--s)/var(--e);background:#fff;color:var(--blue);text-decoration:none;font-weight:600;font-size:14px;padding:8px 14px;border-radius:10px;margin-right:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:opacity .2s,background .2s}
.g-bar:hover{background:var(--lime);color:var(--ink)}
.ages-hint{margin-top:12px;font-size:14px;opacity:.85;min-height:22px}
.picked .g-bar{opacity:.35}
.picked .g-bar.on{opacity:1;background:var(--lime);color:var(--ink)}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:30px}
.course{background:#fff;color:var(--ink);border-radius:22px;overflow:hidden;display:flex;flex-direction:column;transition:opacity .25s,box-shadow .25s}
.c-img{position:relative}
.c-img img{aspect-ratio:16/9;object-fit:cover;width:100%}
.chip{position:absolute;bottom:12px;font-size:13px;font-weight:600;padding:4px 9px;border-radius:7px}
.chip-b{background:var(--blue);color:#fff;right:118px}
.chip-w{background:#fff;color:var(--ink);right:12px}
.c-tx{padding:26px 28px 30px;display:flex;flex-direction:column;flex:1}
.c-tx h3{font-size:26px;font-weight:700;letter-spacing:-.02em}
.c-sub{font-size:17px;font-weight:500;margin:10px 0 8px}
.c-tx p:not(.c-sub){color:#3e3e46;font-size:15px}
.c-tx .btn{margin-top:auto;align-self:center;min-width:260px}
.c-tx p:last-of-type{margin-bottom:24px}
.course-jr{background:#DCE4FF}
.picked-cards .course{opacity:.45}
.picked-cards .course.on{opacity:1;box-shadow:0 0 0 4px var(--lime)}

/* кар'єра */
.career{display:grid;grid-template-columns:300px 1fr;gap:50px;align-items:center}
.career > img{border-radius:20px;aspect-ratio:4/5;object-fit:cover;width:100%}
.career h2{line-height:1.35}
.pill-w{display:inline-flex;align-items:center;gap:8px;background:#fff;border-radius:14px;padding:4px 16px;font-size:.6em;font-weight:600;vertical-align:middle;letter-spacing:0}
.pill-w .ic{width:24px;height:24px;color:var(--blue)}
.career-tx > p{margin-top:16px;font-size:17px;max-width:560px}
.career-tx > .btn{margin-top:30px}
.salary{display:flex;align-items:center;gap:0;margin-top:30px;max-width:620px}
.sal{display:flex;flex-direction:column;gap:8px}
.sal-v{background:var(--blue);color:#fff;font-weight:700;font-size:20px;padding:8px 14px;border-radius:10px;white-space:nowrap}
.sal-v small{font-size:13px;font-weight:500}
.sal-l{border:1.5px solid var(--ink);border-radius:10px;padding:5px 12px;font-size:14px;font-weight:500;text-align:center}
.sal-line{flex:1;height:2px;background:var(--ink);margin:0 14px 40px;position:relative;min-width:40px}
.sal-line::after{content:"";position:absolute;right:-2px;top:-5px;border:6px solid transparent;border-left:9px solid var(--ink);border-right:0}

/* про школу */
.school-in{display:grid;grid-template-columns:1fr 340px;gap:50px;align-items:start}
.founder{margin-top:18px;font-size:18px;line-height:1.6;color:#33333b;border-left:4px solid var(--lime);padding-left:18px}
.facts{display:grid;gap:14px;margin-top:28px}
.facts li{display:flex;gap:14px;align-items:flex-start;font-size:16px}
.facts .ic{color:var(--blue)}
.facts b{font-size:20px;font-weight:700}
.school-pic{border-radius:20px;aspect-ratio:1;object-fit:cover;width:100%}
.cities{margin-top:40px;border-top:1px solid var(--line);padding-top:30px}
.cities h3{font-size:20px;font-weight:600}
.city-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.city-list li{background:var(--bg);border-radius:8px;padding:6px 12px;font-size:14px;font-weight:500}
.js .city-list:not(.open) li:nth-child(n+13){display:none}
.more{display:none;align-items:center;gap:6px;margin-top:14px;background:none;border:0;color:var(--blue);font:600 15px Inter,Arial,sans-serif;cursor:pointer;padding:4px 0}
.js .more{display:inline-flex}
.more .ic{width:20px;height:20px;transition:transform .2s}
.more[aria-expanded=true] .ic{transform:rotate(180deg)}

/* питання */
.faq-list{margin-top:30px;display:grid;gap:10px}
.faq details{background:var(--bg);border-radius:16px}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 24px;font-size:18px;font-weight:600}
.faq summary::-webkit-details-marker{display:none}
.faq summary .ic{width:30px;height:30px;padding:5px;border-radius:50%;background:#fff;color:var(--blue);transition:transform .2s}
.faq details[open] summary .ic{transform:rotate(180deg)}
.faq details p{padding:0 24px 22px;color:#3e3e46;max-width:820px}
.faq summary:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:16px}

/* запис */
.signup{display:grid;grid-template-columns:1fr 460px;gap:50px;align-items:center}
.signup-tx p{margin-top:14px;font-size:17px;max-width:460px}
.big-tel{display:inline-flex;align-items:center;gap:12px;margin-top:26px;font-size:clamp(24px,2.8vw,32px);font-weight:700;text-decoration:none}
.big-tel .ic{color:var(--blue);width:30px;height:30px}
.tg-link{display:flex;align-items:center;gap:10px;margin-top:12px;font-weight:600;color:var(--blue-d);text-decoration:none}
.tg-link .ic{width:24px;height:24px}
.form{display:grid;gap:12px}
.form input,.form select{width:100%;height:52px;border:1.5px solid #c9cdb8;background:#fff;border-radius:4px;padding:0 16px;font:500 15px Inter,Arial,sans-serif;color:var(--ink)}
.form input::placeholder{color:#8a8a92;text-transform:uppercase;font-weight:600;font-size:13px;letter-spacing:.02em}
.form input:focus,.form select:focus{outline:none;border-color:var(--blue)}
.form-row{display:grid;grid-template-columns:1fr 1.3fr;gap:12px}
.form .btn{margin-top:4px}
.done{background:#fff;border-radius:12px;padding:16px 18px;font-size:15px}
.done a{color:var(--blue);font-weight:700}

/* контакти */
footer.wrap{padding-bottom:28px}
.contacts{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:30px;align-items:start;padding:44px 60px}
.ct-col{display:flex;flex-direction:column;gap:8px}
.ct-col h2{margin-bottom:12px}
.ct-col a{font-weight:600;font-size:15px;text-decoration:none}
.ct-col a:hover{color:var(--blue)}
.lic{font-weight:600;font-size:14px;max-width:280px;margin-top:62px}
.soc{display:flex;gap:10px;margin-top:14px}
.soc a{width:40px;height:40px;border-radius:50%;background:var(--bg);display:flex;align-items:center;justify-content:center;color:var(--blue)}
.soc .ic{width:22px;height:22px}
.ct-end{align-items:flex-end;text-align:right;font-size:14px;color:var(--muted);margin-top:62px}
.ct-end img{width:122px;margin-bottom:6px}
.dev a{color:var(--ink);font-weight:500;text-decoration:underline;font-size:14px}

/* кругла кнопка дзвінка, як на їхньому сайті */
.call{position:fixed;right:24px;bottom:24px;z-index:50;width:60px;height:60px;border-radius:50%;background:var(--sky);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 12px rgba(79,195,247,.22);transition:opacity .25s,transform .25s}
.call .ic{width:26px;height:26px}
.call.off{opacity:0;transform:scale(.6);pointer-events:none}

/* адаптив */
@media (max-width:1100px){
  .nav{gap:16px}.nav a{font-size:14px}
  .tile{padding:48px 40px}
  .hero{padding:44px 40px 52px}
}
@media (max-width:960px){
  .nav{display:none}
  .hdr-tg{margin-left:auto}
  .hero{grid-template-columns:1fr;gap:32px}
  .how-main,.how-duo,.cards,.career,.school-in,.signup,.contacts{grid-template-columns:1fr}
  .career > img{max-width:320px}
  .school-pic{max-width:340px}
  .lic,.ct-end{margin-top:0}
  .ct-end{align-items:flex-start;text-align:left}
  .sec-hd-row{flex-direction:column;align-items:flex-start}
}
@media (max-width:600px){
  :root{--r:22px;--tab:30px;--cut:10px}
  html{scroll-padding-top:70px}
  .wrap{padding:0 12px}
  .hdr-row{height:62px;gap:10px}
  .logo img{width:104px}
  .hdr-tel{padding:9px 11px}
  .hdr-tel span{display:none}
  .hdr-tel .ic{width:20px;height:20px}
  .tile{padding:34px 20px}
  .hero{padding:30px 20px 34px;margin-top:8px}
  .kicker{font-size:15px}
  .hero-lead{font-size:16px}
  .hero-act .btn{width:100%}
  .tab-l::before,.tab-r::before{width:52%}
  .know-grid{grid-template-columns:1fr;gap:24px;margin-top:28px}
  .kn h3{font-size:21px}
  .kn .ic{width:32px;height:32px}
  .how-main{margin-top:28px;gap:28px}
  .ages{gap:12px}
  .ages-btns button{width:42px;height:42px}
  .gantt{padding:12px 10px 14px}
  .g-axis{font-size:11px}
  .g-axis span{padding-left:4px}
  .g-bar{font-size:12px;padding:7px 8px;margin-right:4px}
  .c-tx{padding:22px 20px 26px}
  .c-tx h3{font-size:23px}
  .c-tx .btn{min-width:0;width:100%}
  .chip-b{right:auto;left:12px}
  .salary{display:grid;grid-template-columns:1fr 1fr;gap:10px}
  .sal-line{display:none}
  .sal-v{font-size:16px;white-space:normal;padding:8px 10px}
  .sal-v small{display:block;font-size:12px}
  .founder{font-size:16px}
  .school-pic{aspect-ratio:16/10;max-width:none}
  .career > img{aspect-ratio:16/10;max-width:none}
  .career-tx > .btn{width:100%}
  .faq summary{font-size:16px;padding:16px 16px}
  .faq details p{padding:0 16px 18px}
  .form-row{grid-template-columns:1fr}
  .contacts{padding:34px 20px}
  .call{right:16px;bottom:16px;width:54px;height:54px;box-shadow:0 0 0 9px rgba(79,195,247,.22)}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
}