:root{
  --ink:#0F1218;
  --ink-2:#1A1F2B;
  --cyan:#00E5FF;
  --cyan-50:#E8FCFF;
  --white:#fff;
  --gray-500:#5B6573;
  --gray-300:#C3CAD6;
  --gray-100:#F2F4F7;
  --red:#FF4D5E;
  --red-50:#FFF0F2;
  --blue:#3B6EF6;
  --blue-50:#EEF3FF;
  --orange:#FF8A3D;
  --orange-50:#FFF3EA;
  --green:#16C784;
  --green-50:#E7FBF2;
  --purple:#8A5BF6;
  --amber:#FFB020;
  --radius:14px;
  --radius-lg:20px;
  --shadow:0 12px 40px rgba(15,18,24,.10);
  --shadow-lg:0 24px 70px rgba(15,18,24,.22);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font:17px/1.6 "Manrope",-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;
  color:var(--ink);background:var(--white);
}
.container{max-width:1140px;margin:0 auto;padding:0 24px}
img{max-width:100%}

/* ===== HERO ===== */
.hero{
  background:radial-gradient(120% 120% at 80% 0%, #15243a 0%, var(--ink) 60%);
  color:var(--white);position:relative;overflow:hidden;
  padding:96px 0 88px;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(0,229,255,.35),transparent 70%);filter:blur(8px);
}
.pill{
  display:inline-block;background:rgba(0,229,255,.12);color:var(--cyan);
  border:1px solid rgba(0,229,255,.35);padding:7px 14px;border-radius:999px;
  font-size:14px;font-weight:700;letter-spacing:.2px;margin-bottom:22px;
}
.hero h1{font-size:60px;font-weight:800;line-height:1.04;letter-spacing:-1px;margin-bottom:22px}
.lead{font-size:20px;color:#aeb8c7;max-width:680px;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:42px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:15px 28px;border-radius:var(--radius);font-weight:800;font-size:16px;
  text-decoration:none;border:none;cursor:pointer;transition:.18s;font-family:inherit;
}
.btn-primary{background:var(--cyan);color:var(--ink);box-shadow:0 8px 24px rgba(0,229,255,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(0,229,255,.5)}
.btn-primary.big{padding:18px 34px;font-size:17px}
.btn-ghost{background:rgba(255,255,255,.06);color:var(--white);border:1px solid rgba(255,255,255,.2)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000}
.hero-stats{display:flex;gap:38px;flex-wrap:wrap}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats b{font-size:34px;color:var(--cyan);line-height:1}
.hero-stats span{font-size:14px;color:#8b95a6;margin-top:6px}

/* ===== SECTIONS ===== */
.section{padding:80px 0}
.section-light{background:var(--gray-100)}
.h2{font-size:38px;font-weight:800;letter-spacing:-.5px;margin-bottom:12px}
.sub{color:var(--gray-500);font-size:18px;max-width:700px;margin-bottom:36px}

/* шаги экзамена */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{background:var(--white);border-radius:var(--radius-lg);padding:24px;border:1px solid var(--gray-100);box-shadow:var(--shadow)}
.step-n{
  width:42px;height:42px;border-radius:12px;background:var(--ink);color:var(--cyan);
  display:grid;place-items:center;font-weight:800;font-size:18px;margin-bottom:14px;
}
.step h3{font-size:18px;font-weight:800;margin-bottom:6px}
.step p{color:var(--gray-500);font-size:14px}

/* фильтры */
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:30px}
.filter{
  background:var(--white);border:1.5px solid var(--gray-300);color:var(--ink);
  padding:9px 18px;border-radius:999px;font-weight:700;font-size:14px;cursor:pointer;transition:.15s;font-family:inherit;
}
.filter:hover{border-color:var(--ink)}
.filter.is-active{background:var(--ink);color:var(--white);border-color:var(--ink)}

/* сетка кейсов */
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-bottom:40px}
.case-card{
  background:var(--white);border:1px solid var(--gray-100);border-radius:var(--radius-lg);
  padding:26px;transition:.18s;position:relative;overflow:hidden;
  display:flex;flex-direction:column;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
.case-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px}
.case-card.t-aks::before{background:var(--red)}
.case-card.t-odn::before{background:var(--blue)}
.case-card.t-shock::before{background:var(--orange)}
.case-head{display:flex;align-items:center;gap:16px;margin-bottom:14px}
.case-avatar{
  width:60px;height:60px;border-radius:50%;display:grid;place-items:center;font-size:32px;
  background:var(--gray-100);flex-shrink:0;
}
.case-head h3{font-size:20px;font-weight:800;margin-bottom:2px}
.case-head .case-sub{font-size:14px;color:var(--gray-500)}
.badge{
  display:inline-block;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:800;
  letter-spacing:.3px;text-transform:uppercase;
}
.b-aks{background:var(--red-50);color:var(--red)}
.b-odn{background:var(--blue-50);color:var(--blue)}
.b-shock{background:var(--orange-50);color:var(--orange)}
.case-note{color:var(--gray-500);font-size:15px;margin-bottom:18px;flex-grow:1}
.case-foot{display:flex;align-items:center;justify-content:space-between;gap:12px}
.severity{display:flex;gap:3px;align-items:center}
.sev-dot{width:9px;height:9px;border-radius:50%;background:var(--gray-300)}
.sev-dot.on{background:var(--red)}
.case-btn{
  background:var(--ink);color:#fff;border:none;border-radius:10px;padding:11px 18px;
  font-weight:800;font-size:14px;cursor:pointer;font-family:inherit;transition:.15s;
}
.case-btn:hover{background:var(--cyan);color:var(--ink)}

/* CTA экзамен */
.exam-cta{
  background:linear-gradient(135deg,var(--ink),#16203a);color:#fff;border-radius:var(--radius-lg);
  padding:34px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.exam-cta h3{font-size:24px;font-weight:800;margin-bottom:6px}
.exam-cta p{color:#aeb8c7;font-size:16px}

/* футер */
.footer{background:var(--ink);color:#8b95a6;padding:34px 0;font-size:14px}
.footer b{color:var(--cyan)}

/* ===== ЭКЗАМЕН (overlay) ===== */
.exam{
  position:fixed;inset:0;z-index:200;background:var(--gray-100);
  display:flex;flex-direction:column;overflow:hidden;
}
.exam[hidden]{display:none}
.exam-bar{
  background:var(--ink);color:#fff;padding:14px 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.exam-bar-l{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.exam-progress-label{font-weight:800;font-size:15px;color:var(--cyan)}
.exam-dots{display:flex;gap:7px}
.exam-dot{width:11px;height:11px;border-radius:50%;background:rgba(255,255,255,.2);transition:.2s}
.exam-dot.done{background:var(--green)}
.exam-dot.current{background:var(--cyan);transform:scale(1.25)}
.exam-exit{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);color:#fff;
  padding:8px 14px;border-radius:8px;font-size:13px;cursor:pointer;font-family:inherit;font-weight:700;
}
.exam-exit:hover{background:var(--red);border-color:var(--red)}

/* трек этапов */
.exam-stage-track{
  background:#fff;border-bottom:1px solid var(--gray-100);
  padding:12px 28px;display:flex;gap:8px;align-items:center;flex-wrap:wrap;
}
.stage-pill{
  display:flex;align-items:center;gap:7px;padding:7px 13px;border-radius:999px;
  font-size:13px;font-weight:700;color:var(--gray-500);background:var(--gray-100);
}
.stage-pill .sp-n{
  width:20px;height:20px;border-radius:50%;background:var(--gray-300);color:#fff;
  display:grid;place-items:center;font-size:12px;
}
.stage-pill.active{background:var(--ink);color:#fff}
.stage-pill.active .sp-n{background:var(--cyan);color:var(--ink)}
.stage-pill.done{background:var(--green-50);color:#0c6e48}
.stage-pill.done .sp-n{background:var(--green)}
.stage-sep{color:var(--gray-300);font-size:12px}

/* тело */
.exam-body{flex:1;overflow-y:auto;padding:30px 28px 60px}
.exam-wrap{max-width:880px;margin:0 auto}

/* шаг пациента */
.patient{
  background:linear-gradient(135deg,var(--ink) 0%,#16203a 100%);color:#fff;border-radius:var(--radius-lg);
  padding:30px;margin-bottom:20px;position:relative;overflow:hidden;
}
.patient-top{display:flex;align-items:center;gap:18px;margin-bottom:20px}
.patient-avatar{
  width:78px;height:78px;border-radius:50%;background:rgba(255,255,255,.1);
  display:grid;place-items:center;font-size:42px;flex-shrink:0;position:relative;
}
.patient-avatar.is-speaking::after{
  content:"";position:absolute;inset:-6px;border-radius:50%;
  border:2px solid var(--cyan);animation:pulse 1.1s ease-out infinite;
}
.patient-avatar.is-speaking::before{
  content:"";position:absolute;inset:-12px;border-radius:50%;
  border:2px solid rgba(0,229,255,.4);animation:pulse 1.1s ease-out .3s infinite;
}
@keyframes pulse{0%{transform:scale(1);opacity:.9}100%{transform:scale(1.4);opacity:0}}
.patient-info h2{font-size:23px;font-weight:800}
.patient-info .meta{color:#9aa6ba;font-size:14px;margin-top:2px}
.patient-badges{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}

.speak-bar{
  background:rgba(0,229,255,.12);border:1px solid rgba(0,229,255,.4);border-radius:var(--radius);
  padding:16px 18px;display:flex;align-items:center;gap:14px;
}
.speak-ico{font-size:24px}
.speak-text{flex-grow:1}
.speak-text b{display:block;font-size:15px}
.speak-text small{color:#aeb8c7;font-size:13px}
.speak-btn{
  background:var(--cyan);color:var(--ink);border:none;border-radius:10px;
  padding:11px 18px;font-weight:800;cursor:pointer;font-size:14px;white-space:nowrap;transition:.15s;font-family:inherit;
}
.speak-btn:hover{filter:brightness(1.05)}
.speak-btn.is-playing{background:var(--red);color:#fff}

.complaint{
  background:var(--cyan-50);border-left:4px solid var(--cyan);border-radius:0 12px 12px 0;
  padding:18px 20px;font-size:17px;line-height:1.7;margin-top:18px;font-style:italic;color:#1b2740;
}

/* контекстные данные */
.context-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:20px}
.ctx-card{background:#fff;border:1px solid var(--gray-100);border-radius:var(--radius);padding:18px}
.ctx-card h4{font-size:13px;text-transform:uppercase;letter-spacing:.4px;color:var(--gray-500);font-weight:700;margin-bottom:10px}
.ctx-card ul{margin:0;padding-left:18px;font-size:14px;color:var(--ink)}
.ctx-card li{margin-bottom:5px}
.vitals{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:8px}
.vital{border-radius:10px;padding:11px;text-align:center;color:#fff}
.vital b{display:block;font-size:21px;font-weight:800;line-height:1}
.vital span{font-size:11px;opacity:.92;display:block;margin-top:3px}
.v-hr{background:var(--red)}.v-bp{background:var(--blue)}.v-rr{background:var(--purple)}.v-spo{background:var(--green)}.v-temp{background:var(--orange);grid-column:span 4}
.ctx-full{grid-column:span 2}

/* аккордеон (details) */
.acc{border:1px solid var(--gray-100);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;background:#fff}
.acc summary{
  list-style:none;cursor:pointer;padding:16px 20px;font-weight:800;font-size:16px;
  display:flex;align-items:center;gap:10px;background:var(--gray-100);user-select:none;
}
.acc summary::-webkit-details-marker{display:none}
.acc summary::after{content:"▾";margin-left:auto;color:var(--gray-500);transition:.2s;font-size:13px}
.acc[open] summary::after{transform:rotate(180deg)}
.acc-body{padding:18px 20px}
.acc-body h4{font-size:13px;text-transform:uppercase;letter-spacing:.4px;color:var(--gray-500);margin:14px 0 6px;font-weight:700}
.acc-body h4:first-child{margin-top:0}
.acc-body p{margin-bottom:8px;font-size:14.5px}
.acc-body ul{margin:0;padding-left:18px;font-size:14.5px}
.acc-body li{margin-bottom:5px}

/* заголовок шага */
.step-head{margin-bottom:18px}
.step-head .step-tag{display:inline-block;background:var(--ink);color:var(--cyan);padding:5px 12px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.3px;margin-bottom:10px}
.step-head h3{font-size:26px;font-weight:800;margin-bottom:6px}
.step-head p{color:var(--gray-500);font-size:15px}

/* список выбора (чекбоксы) */
.opt-list{display:grid;gap:10px;margin-bottom:22px}
.opt{
  display:flex;align-items:flex-start;gap:13px;background:#fff;border:1.5px solid var(--gray-100);
  border-radius:12px;padding:15px 16px;cursor:pointer;transition:.15s;user-select:none;
}
.opt:hover{border-color:var(--gray-300)}
.opt input{display:none}
.opt-box{
  width:24px;height:24px;border-radius:7px;border:2px solid var(--gray-300);flex-shrink:0;
  display:grid;place-items:center;font-weight:800;color:#fff;font-size:14px;transition:.15s;margin-top:1px;
}
.opt input:checked + .opt-box{background:var(--cyan);border-color:var(--cyan)}
.opt input:checked + .opt-box::after{content:"✓"}
.opt-text{font-size:15px;line-height:1.45}
.opt.is-radio .opt-box{border-radius:50%}
.opt.is-radio input:checked + .opt-box::after{content:""}

/* результат проверки опций (после submit) */
.opt.correct{border-color:var(--green);background:var(--green-50)}
.opt.correct .opt-box{background:var(--green);border-color:var(--green)}
.opt.wrong-pick{border-color:var(--red);background:var(--red-50)}
.opt.wrong-pick .opt-box{background:var(--red);border-color:var(--red)}
.opt.wrong-pick .opt-box::after{content:"✕"}
.opt.missed{border-color:var(--amber);background:#FFF8E8;border-style:dashed}
.opt-mark{margin-left:auto;font-size:13px;font-weight:800;padding:3px 9px;border-radius:7px;white-space:nowrap}
.opt-mark.good{background:var(--green);color:#fff}
.opt-mark.bad{background:var(--red);color:#fff}
.opt-mark.warn{background:var(--amber);color:#fff}

/* таймер */
.timer-wrap{
  background:var(--ink);color:#fff;border-radius:var(--radius-lg);padding:24px 26px;margin-bottom:20px;
  display:flex;align-items:center;gap:22px;flex-wrap:wrap;
}
.timer-ring{position:relative;width:74px;height:74px;flex-shrink:0}
.timer-ring svg{transform:rotate(-90deg)}
.timer-num{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;font-weight:800;line-height:1;color:var(--ink)}
.timer-wrap .timer-num{color:#fff;font-size:24px}
.score-ring .timer-num{font-size:40px}
.score-ring .timer-num span{font-size:12px;font-weight:600;opacity:.7;margin-top:5px}
.final-score .timer-num{font-size:54px}
.timer-info{flex-grow:1}
.timer-info h4{font-size:17px;font-weight:800;margin-bottom:4px}
.timer-info p{color:#aeb8c7;font-size:14px}
.timer-info .danger{color:var(--red);font-weight:800}
.timer-bar{height:8px;background:rgba(255,255,255,.15);border-radius:999px;overflow:hidden;margin-top:10px;width:100%}
.timer-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--cyan),var(--green));transition:width 1s linear;border-radius:999px}
.timer-bar i.low{background:var(--red)}

/* футер шага / навигация */
.step-foot{
  position:sticky;bottom:0;background:rgba(242,244,247,.96);backdrop-filter:blur(6px);
  border-top:1px solid var(--gray-100);padding:16px 0;margin-top:8px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.step-foot .score-chip{
  background:#fff;border:1px solid var(--gray-100);border-radius:999px;padding:8px 16px;
  font-weight:800;font-size:14px;
}
.step-foot .score-chip b{color:var(--ink)}

/* результат кейса */
.result{background:#fff;border:1px solid var(--gray-100);border-radius:var(--radius-lg);padding:30px}
.result-head{text-align:center;margin-bottom:24px}
.score-ring{position:relative;width:150px;height:150px;margin:0 auto 16px}
.score-ring svg{transform:rotate(-90deg)}
.result-head h3{font-size:22px;font-weight:800}
.verdict{font-size:15px;color:var(--gray-500);margin-top:4px}

.breakdown{display:grid;gap:10px;margin:22px 0}
.bd-row{display:flex;align-items:center;gap:14px}
.bd-name{width:170px;font-size:14px;font-weight:700;flex-shrink:0}
.bd-track{flex-grow:1;height:12px;background:var(--gray-100);border-radius:999px;overflow:hidden}
.bd-track i{display:block;height:100%;border-radius:999px;transition:width .8s ease}
.bd-val{width:54px;text-align:right;font-weight:800;font-size:14px}

/* разбор */
.review{margin-top:8px}
.review h4{font-size:15px;font-weight:800;margin:18px 0 10px;display:flex;align-items:center;gap:8px}
.review-block{
  background:var(--gray-100);border-radius:12px;padding:14px 16px;margin-bottom:8px;font-size:14px;line-height:1.55;
}
.review-block b{display:block;margin-bottom:3px}
.keypoints{display:grid;gap:8px;margin-top:6px}
.kp{display:flex;gap:10px;padding:11px 14px;border-radius:10px;font-size:13.5px;line-height:1.5}
.kp-good{background:var(--green-50);color:#0c6e48}
.kp-bad{background:var(--red-50);color:#a01f2e}
.kp-ico{font-size:16px;flex-shrink:0}

/* итоговый экран экзамена */
.final{background:#fff;border:1px solid var(--gray-100);border-radius:var(--radius-lg);padding:36px;max-width:760px;margin:0 auto;text-align:center}
.final-score{position:relative;width:180px;height:180px;margin:0 auto 20px}
.final-score svg{transform:rotate(-90deg)}
.final h2{font-size:28px;font-weight:800;margin-bottom:6px}
.final .grade{font-size:18px;font-weight:800;margin-bottom:6px}
.final .grade.g5{color:var(--green)}
.final .grade.g4{color:var(--cyan)}
.final .grade.g3{color:var(--amber)}
.final .grade.g2{color:var(--red)}
.final p.sub{color:var(--gray-500);font-size:15px;margin-bottom:22px}
.final-cases{display:grid;gap:8px;text-align:left;margin-bottom:24px}
.fc-row{display:flex;align-items:center;gap:12px;background:var(--gray-100);border-radius:10px;padding:10px 14px;font-size:14px}
.fc-row .fc-badge{font-size:11px;padding:3px 8px;border-radius:999px;font-weight:800}
.fc-row .fc-name{flex-grow:1;font-weight:700}
.fc-row .fc-score{font-weight:800;font-size:15px}
.theme-summary{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:24px}
.ts{background:var(--gray-100);border-radius:10px;padding:10px 16px;text-align:center;min-width:120px}
.ts b{display:block;font-size:22px;font-weight:800}
.ts span{font-size:12px;color:var(--gray-500)}
.final-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* адаптив */
@media (max-width:900px){
  .hero h1{font-size:40px}
  .h2{font-size:30px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .grid{grid-template-columns:1fr}
  .context-grid{grid-template-columns:1fr}
  .vitals{grid-template-columns:repeat(2,1fr)}
  .v-temp{grid-column:span 2}
  .exam-bar,.exam-stage-track,.exam-body{padding-left:18px;padding-right:18px}
  .bd-name{width:120px}
}
@media (max-width:540px){
  .hero{padding:64px 0 56px}
  .hero h1{font-size:32px}
  .section{padding:56px 0}
  .hero-stats{gap:22px}
  .steps{grid-template-columns:1fr}
  .patient,.result,.final{padding:22px}
  .stage-pill .sp-label{display:none}
}