/* Уникальный дизайн для сайта "Рейтинг сервисов по решению задач" */
:root{
  --bg0:#050914;
  --bg1:#071a26;
  --surface: rgba(255,255,255,.06);
  --surface2: rgba(255,255,255,.09);
  --line: rgba(255,255,255,.14);
  --text:#eaf3ff;
  --muted: rgba(234,243,255,.74);
  --accent:#36f3b2;
  --accent2:#7c5cff;
  --accent3:#ffce6e;
  --danger:#ff5c7a;
  --shadow: 0 24px 80px rgba(0,0,0,.38);
  --radius: 18px;
  --radius2: 24px;
  --container: 1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(900px 450px at 14% 0%, rgba(124,92,255,.40), transparent 60%),
    radial-gradient(800px 420px at 90% 10%, rgba(54,243,178,.25), transparent 55%),
    linear-gradient(180deg, var(--bg1) 0%, var(--bg0) 100%);
  color:var(--text);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height:1.65;
  min-height:100vh;
}

a{color:inherit; text-decoration:none}

.container{
  width:min(var(--container), calc(100% - 36px));
  margin:0 auto;
}

header.site-header{
  position:sticky;
  top:0;
  z-index:30;
  backdrop-filter: blur(10px);
  background: rgba(5,9,20,.68);
  border-bottom: 1px solid rgba(255,255,255,.12);
}

.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 0;
}

.brand{
  font-weight:900;
  letter-spacing:.01em;
  line-height:1.1;
}

.brand .brand-accent{
  color:var(--accent);
}

.nav-links{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
  justify-content:flex-end;
}

.nav-links a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:10px 12px;
  border-radius:999px;
  background: rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  color:var(--muted);
  font-weight:700;
  transition: .18s ease;
}

.nav-links a:hover{
  transform: translateY(-1px);
  border-color: rgba(255,255,255,.22);
}

.nav-links a.active{
  color: var(--text);
  border-color: rgba(54,243,178,.45);
  background: linear-gradient(90deg, rgba(54,243,178,.14), rgba(124,92,255,.14));
}

main.page{
  padding: 26px 0 56px;
}

.page-block{
  border:1px solid rgba(255,255,255,.12);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border-radius: var(--radius2);
  box-shadow: var(--shadow);
  overflow:hidden;
}

.page-block .block-inner{
  padding: 24px 22px 30px;
}

.eyebrow{
  font-weight:900;
  letter-spacing:.14em;
  text-transform:uppercase;
  color: rgba(54,243,178,.95);
  font-size: .78rem;
  margin:0 0 10px;
}

h1{
  margin: 0 0 12px;
  font-size: clamp(2.05rem, 4vw, 3.05rem);
  line-height:1.05;
}

.lead{
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 1.06rem;
  max-width: 72ch;
}

.criteria-list{
  margin: 16px 0 18px;
  padding-left: 22px;
  color: var(--text);
}

.criteria-list li{margin:8px 0}

.top5{
  margin-top: 18px;
}

.top5 h2{
  margin: 0 0 14px;
  font-size: 1.55rem;
}

.ranking{
  display:flex;
  flex-direction:column;
  gap: 14px;
}

.rank-card{
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.05);
  padding: 18px 18px 16px;
}

.rank-card.featured{
  border-color: rgba(54,243,178,.44);
  background:
    radial-gradient(600px 220px at 10% 0%, rgba(54,243,178,.18), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
}

.rank-top{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
}

.rank-badge{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:8px 12px;
  border-radius: 999px;
  font-weight: 950;
  letter-spacing:.06em;
  text-transform:uppercase;
  font-size: .78rem;
  border:1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);
  white-space:nowrap;
}

.rank-card.featured .rank-badge{
  border-color: rgba(54,243,178,.50);
  background: rgba(54,243,178,.16);
}

.service-title{
  margin: 10px 0 10px;
  font-size: 1.25rem;
  line-height:1.2;
}

.rank-card .lead-small{
  margin: 0 0 12px;
  color: var(--muted);
}

.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom: 14px;
}

.chip{
  display:inline-flex;
  align-items:center;
  padding:7px 10px;
  border-radius:999px;
  border:1px solid rgba(124,92,255,.30);
  background: rgba(124,92,255,.12);
  color: rgba(234,243,255,.92);
  font-weight: 800;
  font-size: .88rem;
}

.rank-card.featured .chip{
  border-color: rgba(54,243,178,.34);
  background: rgba(54,243,178,.14);
}

.service-details{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.detail-block{
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.03);
  padding: 14px 14px 12px;
}

.detail-block h3{
  margin:0 0 8px;
  font-size: 1.02rem;
}

.detail-block p{
  margin:0;
  color: var(--muted);
}

.related{
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,.10);
}

.related h2{
  margin:0 0 12px;
  font-size:1.35rem;
}

.related-links{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}

.related-links a{
  padding: 10px 12px;
  border-radius: 14px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: var(--text);
  font-weight: 800;
  transition: .18s ease;
}

.related-links a:hover{
  transform: translateY(-1px);
  border-color: rgba(255,255,255,.22);
}

.grid{
  display:grid;
  gap: 14px;
}

.reviews-grid{
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card{
  border-radius: var(--radius);
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  padding: 16px;
}

.card h2{
  margin: 0 0 10px;
  font-size: 1.1rem;
}

.quote{
  color: var(--muted);
  margin:0;
}

.review-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  margin-top: 12px;
  color: rgba(234,243,255,.85);
  font-weight: 800;
}

.faq-list{
  display:flex;
  flex-direction:column;
  gap: 12px;
}

details.faq-item{
  border-radius: var(--radius);
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  padding: 14px 16px;
}

details.faq-item summary{
  cursor:pointer;
  font-weight: 950;
  outline:none;
  list-style:none;
}

details.faq-item summary::-webkit-details-marker{display:none}

details.faq-item p{
  margin: 12px 0 0;
  color: var(--muted);
}

.contacts-grid{
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.site-footer{
  border-top: 1px solid rgba(255,255,255,.10);
  padding: 22px 0 30px;
  color: var(--muted);
  font-weight: 700;
}

.footer-inner{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 16px;
  flex-wrap:wrap;
}

.footer-links a{
  color: var(--muted);
  border-bottom: 1px dashed rgba(255,255,255,.22);
}

@media (max-width: 980px){
  .service-details{grid-template-columns: 1fr}
  .reviews-grid{grid-template-columns: 1fr}
  .contacts-grid{grid-template-columns: 1fr}
  .header-inner{flex-direction:column; align-items:flex-start}
  .nav-links{justify-content:flex-start}
}