/* Открытая часть сайта: главная, задачи без регистрации, каталог тем. */
.guest-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.guest-nav a{padding:8px 12px;border-radius:10px;color:var(--ink);text-decoration:none;font-size:14px;font-weight:600}
.guest-nav a:hover{background:var(--green-soft)}
.guest-nav .guest-login{background:var(--green-soft);color:#256952;margin-left:6px}

.promo-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.08fr);align-items:center;gap:28px;padding:6px 0 40px}
.promo-hero h1{font-size:clamp(32px,3.9vw,50px);color:#536e43;line-height:1.18;margin:10px 0 16px}
.promo-hero .lead{max-width:540px;margin:0}
.promo-hero-art{display:block;width:100%;height:auto;border-radius:32px}
.promo-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 10px}
.promo-actions .button{display:inline-flex;align-items:center;justify-content:center;font-size:15px;font-weight:650;min-height:50px;padding:13px 22px;text-decoration:none}
.promo-note{font-size:13px;color:var(--muted);margin:10px 0 0}

.promo-section{margin:48px 0 0}
.promo-section>h2,.promo-section>div>h2{margin:6px 0 18px}
.promo-daily{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);align-items:center;gap:32px;padding:30px;background:#f0f3e6;border:1px solid #e5e9d9;border-radius:28px}
.promo-daily h2{margin:6px 0 10px}

.promo-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.promo-steps article{background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:16px 18px 20px}
.promo-steps img{display:block;width:100%;max-width:170px;height:auto;margin:0 auto 6px;border-radius:18px}
.promo-steps h3{margin:6px 0 6px}
.promo-steps p{margin:0;font-size:14px;color:var(--muted);line-height:1.55}

.promo-inside{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:32px;align-items:start}
.promo-stats{list-style:none;display:flex;flex-wrap:wrap;gap:12px;margin:0 0 14px;padding:0}
.promo-stats li{flex:1 1 130px;background:var(--green-soft);border-radius:16px;padding:14px 16px;font-size:13px;color:#3f6050}
.promo-stats strong{display:block;font-size:24px;letter-spacing:-.6px;color:#1c5f50}
.promo-prices{display:grid;gap:12px}
.promo-prices article{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:16px 20px}
.promo-prices h3{margin:0 0 4px}
.promo-prices p{margin:0}
.promo-price strong{font-size:22px;letter-spacing:-.5px;color:#1c5f50}

.promo-teachers{padding:26px 30px;background:#f3f0f8;border:1px solid #e7e1f1;border-radius:24px}
.promo-teachers h2{margin:0 0 8px}
.promo-teachers p{margin:0 0 14px;max-width:720px}
.promo-teachers .button{display:inline-flex;align-items:center;text-decoration:none}

.promo-faq{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;align-items:start}
.promo-faq details{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:14px 18px}
.promo-faq summary{cursor:pointer;font-weight:650}
.promo-faq p{margin:10px 0 2px;color:var(--muted);font-size:14px}

.promo-cta{margin:48px 0 0;padding:34px;text-align:center;background:var(--green-soft);border-radius:28px}
.promo-cta h2{margin:0 0 8px}
.promo-cta p{margin:0 auto 18px;max-width:600px;color:var(--muted)}
.promo-cta .button{display:inline-flex;align-items:center;justify-content:center;font-size:15px;font-weight:650;min-height:50px;padding:13px 24px;text-decoration:none}
.promo-cta .promo-actions{justify-content:center;margin:0}

.promo-page-head{margin:0 0 24px;max-width:760px}
.promo-page-head h1{margin:8px 0 10px}
.promo-page-head .lead{margin:0}
.promo-main-task{max-width:760px}
.promo-crumbs{font-size:13px;color:var(--muted);margin:0 0 10px}

.try-card{background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:22px 24px;min-width:0}
.try-label{font-size:12px;font-weight:700;letter-spacing:.3px;color:#5e8a77;margin:0 0 6px}
.try-prompt{font-size:20px;font-weight:650;line-height:1.4;letter-spacing:-.2px;margin:0 0 14px;overflow-wrap:anywhere}
.try-form[hidden],.try-result[hidden]{display:none}
.try-form{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end;margin:0 0 12px}
.try-form label{flex:1 1 200px;max-width:none;margin:0;font-size:13px;color:var(--muted)}
.try-form input{width:100%;margin-top:5px;font-size:16px}
.try-form button{flex:0 0 auto;font-size:14px;font-weight:650;min-height:46px}
.try-result{margin:0 0 12px;font-weight:650;font-size:15px}
.try-result.good{color:#1c7a58}
.try-result.bad{color:#946516}
.try-solution summary{cursor:pointer;color:var(--green);font-weight:650;font-size:14px}
.try-solution ol{margin:10px 0 0;padding-left:1.3rem}
.try-solution li{margin:5px 0;overflow-wrap:anywhere}
.try-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-items:start}
.try-grid-wide{grid-template-columns:minmax(0,1fr);max-width:760px}

.promo-catalog ul{list-style:none;columns:3;column-gap:24px;margin:0;padding:0}
.promo-catalog li{break-inside:avoid;padding:4px 0;font-size:15px}
.promo-catalog-part{margin:0 0 18px}
.promo-catalog-part h3{margin:0 0 8px;color:#5e7a68}

.promo-admin{margin:18px 0 0;overflow-x:auto}
.promo-admin table{width:100%;border-collapse:collapse;font-size:14px}
.promo-admin th,.promo-admin td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line)}
.promo-admin code{font-size:13px;overflow-wrap:anywhere}

@media(max-width:1000px){
  .promo-steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .promo-catalog ul{columns:2}
}
@media(max-width:820px){
  .promo-hero,.promo-daily,.promo-inside{grid-template-columns:minmax(0,1fr)}
  .promo-daily{padding:22px 18px;gap:16px}
  .promo-faq,.try-grid{grid-template-columns:minmax(0,1fr)}
}
@media(max-width:700px){
  .guest-nav{order:2;width:100%;justify-content:space-between;border-top:1px solid #edf1e7;padding-top:8px}
  .guest-nav a{padding:8px 10px;font-size:13px}
  .guest-nav .guest-login{margin-left:0}
  .promo-actions .button{width:100%}
  .promo-section{margin-top:36px}
  .promo-steps article{padding:12px 14px 16px}
  .promo-steps img{max-width:120px}
  .promo-teachers{padding:20px 18px}
  .promo-cta{padding:26px 18px;margin-top:36px}
  .promo-cta .button{width:100%}
  .promo-catalog ul{columns:1}
  .try-card{padding:18px 16px}
  .try-prompt{font-size:18px}
  .try-form button{width:100%}
}