:root{
  --orange:#ff6508;
  --orange-dark:#e95600;
  --orange-soft:#fff1e7;
  --ink:#111111;
  --muted:#6a6a6a;
  --line:#e7e7e7;
  --paper:#ffffff;
  --soft:#f7f7f5;
  --success:#157347;
  --shadow:0 20px 60px rgba(17,17,17,.09);
  --radius-xl:30px;
  --radius-lg:22px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(var(--max),calc(100% - 40px));margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:900;text-transform:uppercase;letter-spacing:.12em;color:var(--orange)}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--orange)}
.eyebrow-on-dark{color:#ff9a5c}.eyebrow-on-dark::before{background:#ff9a5c}
.display{font-size:clamp(3.1rem,8vw,7rem);line-height:.91;letter-spacing:-.065em;margin:20px 0 24px;font-weight:950;max-width:1000px}
.h1{font-size:clamp(2.2rem,4vw,4.5rem);line-height:1;letter-spacing:-.045em;margin:0 0 18px;font-weight:950}
.h2{font-size:clamp(1.8rem,3vw,3rem);line-height:1.05;letter-spacing:-.035em;margin:0 0 14px;font-weight:900}
.h3{font-size:1.16rem;line-height:1.2;margin:0;font-weight:850}
.lead{font-size:clamp(1.08rem,1.8vw,1.34rem);color:#333;max-width:760px}
.muted{color:var(--muted)}
.pill{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:.85rem;font-weight:750}
.dot{width:8px;height:8px;border-radius:50%;background:var(--orange)}
.btn{border:0;border-radius:999px;padding:13px 20px;font-weight:850;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.2s ease;min-height:48px}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 25px rgba(255,101,8,.22)}
.btn-primary:hover{background:var(--orange-dark)}
.btn-dark{background:var(--ink);color:#fff}
.btn-light{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-small{padding:9px 13px;min-height:38px;font-size:.9rem}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(232,232,232,.72)}
.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:950;letter-spacing:-.035em;font-size:1.08rem}
.brand-mark{width:29px;height:29px;border:8px solid var(--orange);border-right-color:var(--ink);border-radius:50%;transform:rotate(-20deg)}
.nav-links{display:flex;align-items:center;gap:26px;color:#3f3f3f;font-weight:750;font-size:.94rem}
.nav-links a:hover{color:var(--orange)}
.nav-actions{display:flex;gap:10px}
.hero{padding:92px 0 66px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:70px;align-items:center}
.hero-copy{max-width:760px}
.hero-logo-space{min-height:490px;width:100%}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.hero-note{margin-top:26px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;color:var(--muted)}
.section{padding:92px 0}
.section.soft{background:var(--soft)}
.section.orange-soft{background:var(--orange-soft)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:38px}
.section-head p{max-width:650px;margin:0;color:var(--muted)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px}
.orange-widget{transition:background .28s ease,border-color .28s ease,color .28s ease,transform .28s ease,box-shadow .28s ease}
.orange-widget:hover,.orange-widget.auto-active{background:var(--orange);border-color:var(--orange);color:#fff;transform:translateY(-2px);box-shadow:0 18px 44px rgba(255,101,8,.22)}
.orange-widget:hover .muted,.orange-widget.auto-active .muted,.orange-widget:hover span,.orange-widget.auto-active span,.orange-widget:hover .role,.orange-widget.auto-active .role{color:#fff!important}
.orange-widget:hover .skill-icon,.orange-widget.auto-active .skill-icon{background:rgba(255,255,255,.2);color:#fff}
.orange-widget:hover .step-num,.orange-widget.auto-active .step-num{background:#fff;color:var(--orange)}
.skill-grid{align-items:stretch}
.skill-card{min-height:238px;display:grid;grid-template-rows:48px 30px 1fr;gap:16px;align-items:start}
.skill-card .h3{align-self:start}
.skill-card p{margin:0;align-self:start}
.skill-icon{width:46px;height:46px;border-radius:14px;background:var(--orange-soft);display:grid;place-items:center;font-size:1.4rem;color:var(--orange);transition:.28s ease}
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.steps{display:grid;gap:12px;margin-top:22px}
.step{display:grid;grid-template-columns:48px 1fr;gap:16px;align-items:start;padding:18px;border:1px solid var(--line);border-radius:18px;background:#fff}
.step .h3{margin-bottom:6px}.step p{margin:0}
.step-num{width:48px;height:48px;border-radius:14px;background:var(--ink);color:#fff;display:grid;place-items:center;font-weight:950;transition:.28s ease}
.judges-panel{padding:30px}
.single-column{grid-template-columns:1fr!important}
.judge-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
.judge{border:1px solid var(--line);border-radius:18px;padding:20px;background:#fff;min-height:112px}
.judge .role{font-size:.78rem;font-weight:950;color:var(--orange);letter-spacing:.08em;text-transform:uppercase}
.judge .question{font-size:1.12rem;font-weight:850;margin-top:8px;line-height:1.28}
.levels{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.level{border:1px solid var(--line);border-radius:18px;padding:18px;background:#fff;min-height:180px;display:grid;grid-template-rows:42px 28px 1fr;gap:10px}
.level strong{display:block;font-size:1.7rem;letter-spacing:-.04em}.level span{font-size:.84rem;color:var(--muted)}
.parent-callout{background:var(--ink);color:#fff;border-radius:32px;padding:42px;display:grid;grid-template-columns:1fr .8fr;gap:40px;align-items:center}
.parent-callout p{color:#d4d4d4}.quote{font-size:clamp(1.7rem,3vw,3rem);line-height:1.05;letter-spacing:-.04em;font-weight:900}
.use-grid{grid-template-columns:1fr 1fr;margin-top:24px}.use-grid .card{min-height:150px}.use-grid .h3{margin-bottom:8px}.use-grid p{margin:0}
.form-card{border:1px solid var(--line);border-radius:30px;padding:30px;background:#fff;box-shadow:var(--shadow)}
.form-title{font-size:2.2rem;margin-top:12px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{display:grid;gap:7px}.field.full{grid-column:1/-1}.field label{font-size:.84rem;font-weight:800}
.input,.select,.textarea{width:100%;border:1px solid #dcdcdc;border-radius:14px;padding:13px 14px;background:#fff;outline:none;transition:.15s}.input:focus,.select:focus,.textarea:focus{border-color:var(--orange);box-shadow:0 0 0 4px rgba(255,101,8,.09)}.textarea{min-height:110px;resize:vertical}.form-note{font-size:.8rem;color:var(--muted);margin-top:10px}.success{display:none;padding:12px 14px;border-radius:12px;background:#eaf7ef;color:var(--success);font-weight:700;margin-top:12px}
.footer{padding:32px 0 48px;border-top:1px solid var(--line)}.footer-row{display:flex;align-items:center;justify-content:space-between;gap:20px;color:var(--muted);font-size:.9rem}

/* App shared */
.app-shell{min-height:100vh;background:#fff}.app-header{padding:16px 0;border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:20}.app-top{display:flex;justify-content:space-between;align-items:center;gap:16px}.app-tabs{display:flex;gap:8px;flex-wrap:wrap}.app-main{padding:28px 0 48px}.app-intro{margin-bottom:22px}.app-title{font-size:3rem;margin-top:8px}.top-gap{margin-top:10px}.top-gap-small{margin-top:8px}

/* Host */
.host-layout{display:grid;grid-template-columns:300px 1fr;gap:24px;align-items:start}.control-panel{border:1px solid var(--line);border-radius:22px;padding:20px;position:sticky;top:100px}.control-group{padding:16px 0;border-bottom:1px solid var(--line)}.control-group:last-child{border-bottom:0}.control-group h3{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0 0 10px}.inline-fields{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.challenge-board{position:relative;border:1px solid var(--line);border-radius:30px;overflow:hidden;min-height:650px;background:#fff;box-shadow:var(--shadow)}
.board-top{display:grid;grid-template-columns:1fr 280px 1fr;align-items:stretch;border-bottom:1px solid var(--line)}.player-panel{padding:34px;display:flex;flex-direction:column;justify-content:center;min-height:210px}.player-panel.right{text-align:right;align-items:flex-end}.player-label{font-size:.75rem;font-weight:950;letter-spacing:.13em;text-transform:uppercase;color:var(--orange)}.player-name{font-size:clamp(2rem,4vw,4.35rem);line-height:.95;letter-spacing:-.055em;font-weight:950;margin:10px 0 6px}
.timer-panel{background:#fff;color:var(--ink);display:grid;place-items:center;padding:20px;text-align:center;border-left:1px solid var(--line);border-right:1px solid var(--line)}.timer-label{font-size:.7rem;text-transform:uppercase;letter-spacing:.16em;color:#8a8a8a;font-weight:950}.timer{font-variant-numeric:tabular-nums;font-size:clamp(3rem,6vw,5.4rem);line-height:1;font-weight:950;letter-spacing:-.06em;margin:8px 0;color:var(--orange)}.timer.warning{animation:pulseTimer .7s ease-in-out infinite alternate}@keyframes pulseTimer{to{opacity:.5}}
.status-badge{display:inline-flex;border-radius:999px;padding:7px 10px;font-size:.72rem;font-weight:950;background:var(--ink);color:#fff}.board-case{padding:24px 34px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px}.case-title{font-size:1.25rem;font-weight:900}.jury-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;padding:24px 34px 34px}.jury-card{border:1px solid var(--line);border-radius:20px;padding:20px;background:#fff;min-height:180px;display:flex;flex-direction:column}.jury-card .j-role{font-size:.76rem;font-weight:950;text-transform:uppercase;letter-spacing:.1em;color:var(--orange)}.jury-question{font-size:1rem;font-weight:750;line-height:1.35;margin:10px 0 18px;min-height:54px}.vote-row{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:auto}.vote-btn{border:1px solid var(--line);border-radius:12px;background:#fff;padding:10px 8px;font-weight:850}.vote-btn.active{background:var(--orange);color:#fff;border-color:var(--orange)}.winner-banner{display:none;margin:0 34px 34px;padding:18px 22px;border-radius:18px;background:var(--orange-soft);font-size:1.3rem;font-weight:950;text-align:center}.winner-banner.show{display:block}.fullscreen-btn{position:fixed;right:20px;bottom:20px;z-index:30}.fullscreen-exit{display:none;position:absolute;right:22px;top:22px;z-index:50}.challenge-board:fullscreen{width:100vw;height:100vh;min-height:100vh;border-radius:0;border:0;overflow:auto}.challenge-board:fullscreen .fullscreen-exit{display:inline-flex}

/* Training */
.training-layout{display:grid;grid-template-columns:290px minmax(0,1fr) 300px;gap:18px;align-items:start}.case-sidebar,.coach-sidebar{border:1px solid var(--line);border-radius:22px;padding:18px;position:sticky;top:100px;background:#fff}.case-menu{display:grid;gap:8px;margin-top:14px}.case-choice{padding:12px;border:1px solid var(--line);border-radius:14px;background:#fff;text-align:left;transition:.2s}.case-choice:hover{border-color:var(--orange)}.case-choice.active{border-color:var(--orange);background:var(--orange-soft)}.case-choice strong{display:block}.case-choice span{font-size:.8rem;color:var(--muted)}.chat-card{border:1px solid var(--line);border-radius:24px;overflow:hidden;background:#fff;min-height:720px;display:flex;flex-direction:column;box-shadow:var(--shadow)}.chat-head{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:16px}.chat-timer-wrap{text-align:right}.dark-label{color:#777}.training-timer{font-size:1.8rem;font-weight:950;font-variant-numeric:tabular-nums;color:var(--orange)}.training-case{padding:18px 20px;background:var(--soft);border-bottom:1px solid var(--line)}.role-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}.role-box{border:1px solid var(--line);border-radius:14px;padding:12px;background:#fff}.role-box.secret{border-color:#ffc6a3;background:#fff7f2}.role-detail{margin-top:8px;font-size:.9rem}.chat-log{flex:1;padding:20px;display:flex;flex-direction:column;gap:12px;max-height:440px;overflow:auto}.msg-wrap{display:flex;flex-direction:column;max-width:82%}.msg-wrap.ai{align-self:flex-start}.msg-wrap.user{align-self:flex-end;align-items:flex-end}.msg-wrap.system{align-self:center;align-items:center;max-width:92%}.msg-label{font-size:.69rem;font-weight:950;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0 6px 4px}.msg{padding:12px 14px;border-radius:16px;font-size:.96rem}.msg.ai{background:var(--soft);border-bottom-left-radius:5px}.msg.user{background:var(--ink);color:#fff;border-bottom-right-radius:5px}.msg.system{background:var(--orange-soft);color:#6a2a00;font-size:.82rem;text-align:center}.msg.typing{color:var(--muted);font-style:italic}.composer{padding:14px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr auto;gap:10px}.composer textarea{min-height:54px;max-height:120px;border:1px solid #dcdcdc;border-radius:14px;padding:12px 13px;resize:vertical;outline:none}.composer textarea:focus{border-color:var(--orange);box-shadow:0 0 0 4px rgba(255,101,8,.09)}.composer button:disabled{opacity:.55;cursor:not-allowed;transform:none}.coach-toggle-row{display:flex;justify-content:space-between;align-items:center;gap:12px}.coach-on-label{font-weight:850}.switch{border:0;width:44px;height:24px;background:#ddd;border-radius:999px;position:relative;transition:.2s}.switch::after{content:"";position:absolute;width:18px;height:18px;background:#fff;border-radius:50%;left:3px;top:3px;box-shadow:0 1px 5px rgba(0,0,0,.2);transition:.2s}.switch.on{background:var(--orange)}.switch.on::after{transform:translateX(20px)}.api-status{display:flex;align-items:flex-start;gap:8px;margin-top:14px;padding:10px 11px;border-radius:12px;background:var(--soft);font-size:.78rem;color:var(--muted)}.api-dot{width:8px;height:8px;border-radius:50%;background:#aaa;flex:0 0 auto;margin-top:5px}.api-status.connected{background:#edf8f0;color:#176136}.api-status.connected .api-dot{background:#28a745}.api-status.error{background:#fff0ed;color:#8a2e20}.api-status.error .api-dot{background:#d94832}.coach-card{border:1px solid var(--line);border-radius:16px;padding:14px;margin-top:12px}.coach-card.orange{background:var(--orange-soft);border-color:#ffd1b8}.coach-title{font-size:.76rem;text-transform:uppercase;letter-spacing:.09em;font-weight:950;color:var(--orange)}.coach-text{font-size:.9rem;margin-top:6px;color:#353535}.progress-bar{height:8px;background:#eee;border-radius:999px;overflow:hidden;margin-top:8px}.progress-bar span{display:block;height:100%;background:var(--orange);width:0;transition:.3s}.knowledge-list{display:grid;gap:8px;margin-top:10px}.knowledge{padding:10px 11px;border-radius:12px;background:var(--soft);font-size:.83rem}.knowledge strong{display:block;margin-bottom:3px}

@media (max-width:1020px){.hero-grid,.split,.parent-callout{grid-template-columns:1fr}.hero-logo-space{min-height:280px}.grid-4{grid-template-columns:repeat(2,1fr)}.levels{grid-template-columns:repeat(2,1fr)}.host-layout{grid-template-columns:1fr}.control-panel{position:relative;top:auto}.training-layout{grid-template-columns:1fr}.case-sidebar,.coach-sidebar{position:relative;top:auto}.case-menu{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){.container{width:min(100% - 24px,var(--max))}.nav-links{display:none}.nav-actions .btn-light{display:none}.hero{padding-top:54px}.hero-grid{gap:18px}.hero-logo-space{min-height:190px}.grid-3,.grid-4{grid-template-columns:1fr}.section{padding:68px 0}.section-head{display:block}.section-head p{margin-top:12px}.judge-strip,.jury-grid{grid-template-columns:1fr}.levels{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.footer-row{display:block}.board-top{grid-template-columns:1fr}.timer-panel{order:-1;border-left:0;border-right:0;border-bottom:1px solid var(--line)}.player-panel,.player-panel.right{text-align:left;align-items:flex-start;min-height:140px}.board-case{display:block}.jury-grid{padding:18px}.board-case{padding:18px}.winner-banner{margin:0 18px 18px}.inline-fields{grid-template-columns:1fr}.role-grid{grid-template-columns:1fr}.case-menu{grid-template-columns:1fr}.composer{grid-template-columns:1fr}.msg-wrap{max-width:92%}.use-grid{grid-template-columns:1fr}}