:root {
  --green: #4dff5a;
  --blue: #23c0ff;
  --purple: #c94bff;
  --orange: #ff7a1a;
  --yellow: #ffd21a;
  --cyan: #3dd4e0;

  --bg: #05070a;
  --bg-2: #0b1016;
  --card: rgba(16, 22, 30, 0.72);
  --text: #eaf5f6;
  --muted: #9fb4b8;
  --line: rgba(120, 200, 210, 0.15);
  --radius: 18px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 500px at 80% -5%, rgba(201, 75, 255, .10), transparent 60%),
    radial-gradient(900px 600px at 0% 20%, rgba(35, 192, 255, .10), transparent 60%),
    radial-gradient(700px 500px at 60% 100%, rgba(77, 255, 90, .07), transparent 60%),
    var(--bg);
  min-height: 100vh;
  line-height: 1.55;
}

a { color: var(--cyan); text-decoration: none; }

/* ---------- Header ---------- */
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 14px 22px; flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
  background: rgba(5, 7, 10, 0.6);
  backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 20;
}
.logo { font-weight: 900; font-size: 22px; letter-spacing: .3px; color: #fff; font-style: italic; }
.logo b { color: var(--green); text-shadow: 0 0 14px rgba(77, 255, 90, .6); font-style: italic; }
.nav { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.nav a { color: var(--muted); font-weight: 600; font-size: 15px; }
.nav a:hover { color: var(--text); }
.nav-cta {
  background: linear-gradient(135deg, var(--green), #14c98a);
  color: #04120a !important; padding: 8px 15px; border-radius: 999px;
  box-shadow: 0 0 18px rgba(77, 255, 90, .35);
}

.container { max-width: 1080px; margin: 0 auto; padding: 26px 20px 72px; }

/* ---------- Hero (главная) ---------- */
.neo-hero {
  position: relative;
  padding: 34px 16px 40px;
  text-align: center;
  border-radius: 24px;
  overflow: hidden;
  min-height: calc(100vh - 150px);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background:
    linear-gradient(180deg, rgba(5,7,10,.30), rgba(5,7,10,.55) 45%, rgba(5,7,10,.85)),
    url('/static/img/hero-desktop.jpg') center bottom / cover no-repeat,
    var(--bg);
}
/* лёгкая подложка по центру — чтобы круги читались поверх фото */
.neo-hero::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(ellipse 62% 48% at 50% 52%, rgba(5,7,10,.45), transparent 75%);
}
.neo-hero > .neo-logo,
.neo-hero > .neo-city,
.neo-hero > .neo-circles,
.neo-hero > .neo-tagline { position: relative; z-index: 2; }

@media (max-width: 640px) {
  .neo-hero {
    background:
      linear-gradient(180deg, rgba(5,7,10,.30), rgba(5,7,10,.50) 45%, rgba(5,7,10,.82)),
      url('/static/img/hero-mobile.jpg') center top / cover no-repeat,
      var(--bg);
  }
  /* круги — хаотично: разный размер и сдвиг у каждого */
  .neo-circles { flex-direction: column; align-items: stretch; gap: 0; max-width: 100%; margin: 14px auto 8px; }
  .neo-circle { max-width: 300px; margin-top: -9vw; transform: none; }
  .neo-circle:first-child { margin-top: 4vw; }
  .neo-circle:nth-child(1) { width: 60vw; align-self: flex-start; margin-left: 3vw; }
  .neo-circle:nth-child(2) { width: 67vw; align-self: flex-end;  margin-right: -5vw; }
  .neo-circle:nth-child(3) { width: 51vw; align-self: flex-start; margin-left: -4vw; }
  .neo-circle:nth-child(4) { width: 63vw; align-self: flex-end;  margin-right: 7vw; }
  .neo-circle:nth-child(5) { width: 56vw; align-self: center;    margin-left: 12vw; }
}
/* Полноэкранная главная — без шапки и рамки, фото во всю ширину */
.neo-hero-full {
  border-radius: 0;
  margin: 0;
  width: 100%;
  min-height: 100vh;
  min-height: 100svh;
}

.neo-logo { font-size: clamp(34px, 9vw, 66px); font-weight: 900; font-style: italic; color: #fff; letter-spacing: 1px; margin: 6px 0 2px; }
.neo-logo b { color: var(--green); text-shadow: 0 0 22px rgba(77,255,90,.7); }
.neo-city {
  display: inline-flex; align-items: center; gap: 12px;
  color: var(--muted); letter-spacing: 8px; font-weight: 700; font-size: clamp(13px, 3vw, 18px);
  text-transform: uppercase; margin-bottom: 8px;
}
.neo-city::before, .neo-city::after { content: ""; width: 40px; height: 2px; background: linear-gradient(90deg, transparent, var(--green)); }
.neo-city::after { background: linear-gradient(90deg, var(--green), transparent); }

.neo-tagline {
  margin-top: 26px; color: var(--muted); letter-spacing: 5px; font-weight: 700;
  text-transform: uppercase; font-size: clamp(11px, 2.6vw, 15px);
  display: inline-flex; align-items: center; gap: 12px;
}
.neo-tagline::before, .neo-tagline::after { content: ""; width: 26px; height: 2px; background: var(--green); opacity: .7; }

/* ---------- Neon circles ---------- */
.neo-circles {
  display: flex; flex-wrap: wrap; justify-content: center; align-items: center;
  gap: clamp(16px, 4vw, 40px);
  margin: 30px auto 6px;
  max-width: 900px;
}
.neo-circle {
  --glow: var(--cyan);
  position: relative;
  width: clamp(150px, 42vw, 220px);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; gap: 4px;
  color: var(--text);
  border: 2.5px solid var(--glow);
  background: radial-gradient(circle at 50% 45%, rgba(255,255,255,.04), rgba(5,7,10,.35) 70%);
  box-shadow: 0 0 18px var(--glow), inset 0 0 22px rgba(255,255,255,.05);
  animation: breathe 3.4s ease-in-out infinite;
  transition: transform .2s ease;
}
.neo-circle:hover { filter: brightness(1.14); }
.neo-circle .ico { width: clamp(34px, 9vw, 46px); height: clamp(34px, 9vw, 46px); color: var(--glow); filter: drop-shadow(0 0 8px var(--glow)); }
.neo-circle .ico svg { width: 100%; height: 100%; }
.neo-circle .t { font-weight: 800; font-size: clamp(15px, 3.6vw, 21px); letter-spacing: .5px; text-transform: uppercase; }
.neo-circle .s { font-size: clamp(11px, 2.8vw, 14px); color: var(--muted); text-transform: uppercase; letter-spacing: 1px; }

.neo-circle.c-green  { --glow: var(--green); }
.neo-circle.c-blue   { --glow: var(--blue); }
.neo-circle.c-purple { --glow: var(--purple); }
.neo-circle.c-orange { --glow: var(--orange); }
.neo-circle.c-yellow { --glow: var(--yellow); }

/* лёгкий разброс на десктопе + разные фазы «дыхания» */
.neo-circle:nth-child(1) { animation-delay: 0s; }
.neo-circle:nth-child(2) { animation-delay: .5s; }
.neo-circle:nth-child(3) { animation-delay: 1s; }
.neo-circle:nth-child(4) { animation-delay: 1.5s; }
.neo-circle:nth-child(5) { animation-delay: 2s; }
/* Хаотичная расстановка на десктопе: разный размер и сдвиг у каждого круга */
@media (min-width: 760px) {
  .neo-circles { gap: 10px 28px; max-width: 820px; }
  .neo-circle:nth-child(1) { width: 210px; transform: translate(6px, 34px); }
  .neo-circle:nth-child(2) { width: 244px; transform: translate(-14px, -34px); }
  .neo-circle:nth-child(3) { width: 178px; transform: translate(18px, 52px); }
  .neo-circle:nth-child(4) { width: 232px; transform: translate(-22px, -8px); }
  .neo-circle:nth-child(5) { width: 198px; transform: translate(26px, 22px); }
}

@keyframes breathe {
  0%, 100% { box-shadow: 0 0 16px var(--glow), inset 0 0 18px rgba(255,255,255,.05); }
  50%      { box-shadow: 0 0 34px var(--glow), 0 0 60px var(--glow), inset 0 0 26px rgba(255,255,255,.08); }
}
@media (prefers-reduced-motion: reduce) {
  .neo-circle { animation: none; }
}

/* ---------- Секции / заголовки ---------- */
.section-title {
  text-align: center; margin: 44px 0 18px; font-size: clamp(20px, 5vw, 30px);
  font-weight: 800; letter-spacing: .5px;
}
.section-title::after {
  content: ""; display: block; width: 64px; height: 3px; margin: 12px auto 0;
  background: linear-gradient(90deg, var(--green), var(--cyan)); border-radius: 3px;
  box-shadow: 0 0 12px var(--cyan);
}
.lead { color: var(--muted); text-align: center; }

/* ---------- CTA-кнопки ---------- */
.btn-primary, .btn-secondary {
  display: inline-block; padding: 13px 24px; border-radius: 999px; font-weight: 800; letter-spacing: .3px;
}
.btn-primary { background: linear-gradient(135deg, var(--green), #12c98a); color: #04120a; box-shadow: 0 0 22px rgba(77,255,90,.4); }
.btn-secondary { border: 2px solid var(--cyan); color: var(--text); box-shadow: 0 0 16px rgba(61,212,224,.25); }
.btn-primary:hover, .btn-secondary:hover { transform: translateY(-2px); }
.hero-cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 22px; }

/* ---------- Карточки / кнопки на внутренних страницах ---------- */
.buttons-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; margin: 22px 0; }
.big-btn {
  display: flex; flex-direction: column; gap: 4px; padding: 18px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  color: var(--text); transition: .15s; backdrop-filter: blur(6px);
}
.big-btn:hover { transform: translateY(-2px); border-color: var(--cyan); box-shadow: 0 8px 30px rgba(61,212,224,.15); }
.big-btn-ico { font-size: 28px; }
.big-btn-title { font-weight: 700; font-size: 18px; }
.big-btn-sub { color: var(--muted); font-size: 14px; }
.big-btn-cta { background: linear-gradient(135deg, rgba(77,255,90,.16), rgba(201,75,255,.14)); border-color: var(--green); }

.cats-row { display: flex; gap: 10px; flex-wrap: wrap; margin: 14px 0 24px; justify-content: center; }
.cat-chip { background: var(--bg-2); border: 1px solid var(--line); border-radius: 999px; padding: 8px 14px; color: var(--muted); font-weight: 600; font-size: 14px; }
.cat-chip:hover, .cat-chip.active { color: var(--text); border-color: var(--cyan); background: rgba(61,212,224,.12); }

.article-list { display: grid; gap: 14px; }
.article-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; color: var(--text); backdrop-filter: blur(6px); }
.article-card h3 { margin: 0 0 6px; }
.article-card p { color: var(--muted); margin: 6px 0; }
.read-more { color: var(--cyan); font-weight: 700; font-size: 14px; }

.article { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; backdrop-filter: blur(6px); }
.article-summary { color: var(--muted); font-size: 17px; }
.article-body { margin-top: 12px; }
.article-body h1, .article-body h2, .article-body h3 { color: var(--cyan); }
.article-body ul, .article-body ol { padding-left: 22px; }
.article-video { margin-top: 20px; }
.back-link { display: inline-block; margin-bottom: 14px; color: var(--muted); }

.tags { display: flex; gap: 8px; flex-wrap: wrap; }
.tag { background: rgba(61,212,224,.12); border: 1px solid rgba(61,212,224,.25); color: var(--cyan); border-radius: 999px; padding: 2px 10px; font-size: 13px; }

.video-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.video-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; backdrop-filter: blur(6px); }
.video-q { color: var(--muted); font-style: italic; }

.steps { list-style: none; padding: 0; display: grid; gap: 14px; }
.steps li { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.steps h3 { margin: 0 0 6px; color: var(--green); }

.club-teaser { margin-top: 8px; }
.teaser-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.teaser-step { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; position: relative; backdrop-filter: blur(6px); }
.teaser-step b { display: block; margin: 6px 0 4px; font-size: 17px; }
.teaser-step p { color: var(--muted); margin: 0; font-size: 14px; }
.teaser-num { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; border: 2px solid var(--green); color: var(--green); font-weight: 800; box-shadow: 0 0 12px rgba(77,255,90,.4); }
.teaser-cta { text-align: center; margin-top: 18px; }

.join-nudge { margin-top: 28px; text-align: center; display: grid; gap: 12px; justify-items: center; }
.join-nudge p { color: var(--muted); margin: 0; }

.hero { text-align: center; padding: 26px 0 6px; }
.hero h1 { font-size: clamp(28px, 7vw, 40px); margin: 0 0 8px; background: linear-gradient(135deg, var(--green), var(--cyan)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { color: var(--muted); max-width: 640px; margin: 0 auto; }

.disclaimer { color: var(--muted); font-size: 13px; margin-top: 20px; text-align: center; }

.site-footer { border-top: 1px solid var(--line); padding: 22px; text-align: center; color: var(--muted); font-size: 14px; }