/* styles.css */
:root{
  --bg0: #070A12;
  --bg1: #0B1020;
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.64);
  --muted2: rgba(255,255,255,0.52);

  --accent: #7C5CFF;
  --accent2: #26D6C9;

  --shadow: 0 22px 70px rgba(0,0,0,0.55);
  --shadow2: 0 10px 30px rgba(0,0,0,0.35);

  --radius2: 22px;
  --container: 1120px;
  --font: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

*{ box-sizing: border-box; }
html, body{ height: 100%; }
html{ scroll-behavior: auto; }



body{
  margin: 0;
  color: var(--text);
  font-family: var(--font);
  background: radial-gradient(1100px 600px at 20% -10%, rgba(124,92,255,0.20), transparent 60%),
              radial-gradient(900px 540px at 90% 10%, rgba(38,214,201,0.12), transparent 55%),
              linear-gradient(180deg, var(--bg0), var(--bg1));
  overflow-x: hidden;
}

a{ color: inherit; text-decoration: none; }
a:focus{ outline: 2px solid rgba(124,92,255,0.65); outline-offset: 3px; border-radius: 8px; }

.no-results{ display:none; }

.container{
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 18px;
}

.bg-glow{
  position: fixed;
  inset: -40% -30%;
  background: radial-gradient(circle at 30% 30%, rgba(124,92,255,0.12), transparent 55%),
              radial-gradient(circle at 70% 40%, rgba(38,214,201,0.10), transparent 60%),
              radial-gradient(circle at 45% 70%, rgba(255,255,255,0.05), transparent 55%);
  filter: blur(40px);
  z-index: -1;
  pointer-events: none;
  transform: translateZ(0);
}

/* Реальный якорь наверх */
.page-top{ position: absolute; top: 0; left: 0; }
/* чтобы sticky header не перекрывал якорь при scrollIntoView */
#page-top{ scroll-margin-top: 90px; }

/* Header */
.site-header{
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(7,10,18,0.65);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.header-inner{
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 14px 0;
}

.brand{
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 240px;
}

.brand-mark{
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background:
    radial-gradient(10px 10px at 30% 30%, rgba(255,255,255,0.55), transparent 60%),
    linear-gradient(135deg, rgba(124,92,255,0.95), rgba(38,214,201,0.85));
  box-shadow: 0 12px 30px rgba(124,92,255,0.18);
}

.brand-title{ font-weight: 700; letter-spacing: 0.2px; }
.brand-subtitle{ font-size: 12px; color: var(--muted); margin-top: 2px; }

.nav{
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 1;
  justify-content: center;
}

.nav-link{
  font-size: 13px;
  color: var(--muted);
  padding: 10px 10px;
  border-radius: 12px;
  transition: background .18s ease, color .18s ease, transform .18s ease;
}

.nav-link:hover{
  background: rgba(255,255,255,0.06);
  color: var(--text);
  transform: translateY(-1px);
}

.header-actions{
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  min-width: 240px;
}

.chip{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 13px;
  color: rgba(255,255,255,0.88);
  background: rgba(124,92,255,0.18);
  border: 1px solid rgba(124,92,255,0.25);
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}
.chip:hover{
  transform: translateY(-1px);
  background: rgba(124,92,255,0.22);
  border-color: rgba(124,92,255,0.40);
}
.chip-ghost{
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
}
.chip-ghost:hover{ background: rgba(255,255,255,0.09); }

/* Hero */
.site-main{ padding-bottom: 36px; }
.hero{ padding: 34px 0 14px; }

.hero-grid{
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
  align-items: start;
}

.hero-copy{ padding: 22px 0; }

.hero-title{
  margin: 0 0 10px;
  font-size: clamp(26px, 3.1vw, 42px);
  line-height: 1.10;
  letter-spacing: -0.6px;
}

.hero-lead{
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
  max-width: 72ch;
}

.hero-tools{ display: grid; gap: 10px; }

.search{
  display: grid;
  grid-template-columns: 40px 1fr auto;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 16px;
  padding: 10px 10px;
  box-shadow: var(--shadow2);
}

.search-icon{
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.78);
  user-select: none;
}

.search input{
  width: 100%;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--text);
  font-size: 14px;
}

.search input::placeholder{ color: rgba(255,255,255,0.45); }

.search-clear{
  height: 36px;
  padding: 0 12px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.78);
  cursor: pointer;
  transition: background .18s ease, transform .18s ease, border-color .18s ease;
}
.search-clear:hover{
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.16);
  transform: translateY(-1px);
}

.hint{ color: var(--muted2); font-size: 12.5px; }

.hero-card{
  background: linear-gradient(180deg, rgba(255,255,255,0.075), rgba(255,255,255,0.045));
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius2);
  padding: 16px 16px 14px;
  box-shadow: var(--shadow2);
  position: relative;
  overflow: hidden;
}

.hero-card::before{
  content: "";
  position: absolute;
  inset: -40%;
  background: radial-gradient(circle at 20% 20%, rgba(124,92,255,0.22), transparent 55%),
              radial-gradient(circle at 70% 25%, rgba(38,214,201,0.14), transparent 55%);
  filter: blur(30px);
  pointer-events: none;
}

.hero-card-title{ position: relative; font-weight: 700; letter-spacing: 0.2px; margin-bottom: 12px; }

.hero-card-list{
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.stat{
  background: rgba(0,0,0,0.20);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 16px;
  padding: 12px 12px;
}

.stat-number{ font-size: 22px; font-weight: 700; letter-spacing: -0.3px; }
.stat-label{ font-size: 12px; margin-top: 4px; color: var(--muted); }

.hero-card-note{
  position: relative;
  margin-top: 12px;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.5;
}

/* Sections */
.sections{ padding: 12px 0 22px; }

.section-sep{
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 18px 0;
  color: rgba(255,255,255,0.52);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.section-sep::before,
.section-sep::after{
  content: "";
  height: 1px;
  width: min(220px, 26vw);
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.18), transparent);
}
.section-sep span{
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.04);
}

/* Topic card (выделяется на фоне) */
.topic{
  position: relative;
  border-radius: var(--radius2);
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255,255,255,0.11), rgba(255,255,255,0.055));
  border: 1px solid rgba(255,255,255,0.16);
  box-shadow: var(--shadow);
}

.topic::before{
  content: "";
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(124,92,255,0.55), rgba(38,214,201,0.35), rgba(255,255,255,0.12));
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  pointer-events: none;
}

.topic::after{
  content: "";
  position: absolute;
  inset: -30%;
  background:
    radial-gradient(circle at 20% 15%, rgba(124,92,255,0.18), transparent 55%),
    radial-gradient(circle at 85% 20%, rgba(38,214,201,0.12), transparent 60%);
  filter: blur(28px);
  opacity: 0.9;
  pointer-events: none;
}

.topic-head{
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 18px 10px;
  border-bottom: 1px solid rgba(255,255,255,0.10);
  z-index: 1;
}

.topic-title{ display: grid; gap: 8px; }

.topic-badge{
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 8px 12px;
  border-radius: 14px;
  font-weight: 700;
  letter-spacing: 0.2px;
  background:
    radial-gradient(12px 12px at 30% 30%, rgba(255,255,255,0.35), transparent 60%),
    linear-gradient(135deg, rgba(124,92,255,0.35), rgba(38,214,201,0.22));
  border: 1px solid rgba(255,255,255,0.14);
}

.topic-subtitle{
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.topic-action{
  position: relative;
  height: 36px;
  padding: 0 12px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.80);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  user-select: none;
  z-index: 1;
}

.topic-action.is-disabled{
  opacity: 0.65;
  cursor: not-allowed;
  pointer-events: none;
}

.topic-body{
  position: relative;
  padding: 10px 10px 12px;
  z-index: 1;
}

.link-list{ list-style: none; margin: 0; padding: 0; }

.link-row{
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(0,0,0,0.28);
  margin: 10px 8px;
  overflow: hidden;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}

.link-row:hover{
  transform: translateY(-2px);
  border-color: rgba(255,255,255,0.18);
  background: rgba(0,0,0,0.34);
}

.link-left{
  padding: 14px 14px;
  font-weight: 600;
  color: rgba(255,255,255,0.94);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-right: 1px solid rgba(255,255,255,0.10);
  min-height: 52px;
}

.link-left::before{
  content: "↗";
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.78);
  flex: 0 0 auto;
}

.link-right{
  padding: 14px 14px;
  color: rgba(255,255,255,0.72);
  line-height: 1.55;
  min-height: 52px;
}

/* “Ничего не найдено” */
.no-results{
  display: none;
  margin: 10px 0 16px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px dashed rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.72);
  background: rgba(255,255,255,0.04);
}

/* Reveal (включаем только когда JS точно работает) */
.reveal{ opacity: 1; transform: none; }
.js .reveal{
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .55s ease, transform .55s ease;
}
.js .reveal.is-visible{
  opacity: 1;
  transform: translateY(0);
}

/* Footer */
.site-footer{
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 18px 0;
  background: rgba(0,0,0,0.10);
}

.footer-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.footer-title{ font-weight: 700; }
.footer-note{ margin-top: 4px; color: var(--muted); font-size: 12.5px; }

.footer-right{
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
}

.footer-link{
  color: rgba(255,255,255,0.80);
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.04);
  transition: transform .18s ease, background .18s ease;
}
.footer-link:hover{
  transform: translateY(-1px);
  background: rgba(255,255,255,0.07);
}

.dot{ opacity: 0.6; }
.muted{ color: var(--muted); }

/* Responsive */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .brand, .header-actions{ min-width: auto; }
  .nav{ justify-content: flex-start; overflow: auto; }
}

@media (max-width: 720px){
  .header-inner{ flex-wrap: wrap; }
  .nav{ width: 100%; justify-content: flex-start; }
  .hero-copy{ padding-top: 12px; }

  .link-row{ grid-template-columns: 1fr; }
  .link-left{ border-right: 0; border-bottom: 1px solid rgba(255,255,255,0.10); }
}