/* ===== Design tokens ===== */
:root{
  --color-primary:#F59E0B;
  --color-primary-600:#D97706;
  --color-on-primary:#0F172A;
  --color-secondary:#FBBF24;
  --color-accent:#8B5CF6;
  --color-background:#0F172A;
  --color-background-2:#0B1220;
  --color-foreground:#F8FAFC;
  --color-muted-fg:#94A3B8;
  --color-muted:#1B2436;
  --color-surface:#151F32;
  --color-border:#273245;
  --color-destructive:#EF4444;
  --color-ring:#F59E0B;

  --font-display:'Orbitron', 'Inter', sans-serif;
  --font-body:'Inter', system-ui, sans-serif;
  --font-mono:'JetBrains Mono', ui-monospace, monospace;

  --space-1:4px; --space-2:8px; --space-3:12px; --space-4:16px;
  --space-5:24px; --space-6:32px; --space-7:48px; --space-8:64px; --space-9:96px;

  --radius-sm:8px; --radius-md:14px; --radius-lg:20px; --radius-full:999px;

  --shadow-card:0 8px 24px rgba(0,0,0,.35);
  --shadow-glow:0 0 0 1px rgba(245,158,11,.15), 0 12px 40px rgba(139,92,246,.18);

  --duration-fast:150ms; --duration-base:220ms; --ease:cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important;}
}

body{
  margin:0;
  background:var(--color-background);
  color:var(--color-foreground);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3{font-family:var(--font-display);line-height:1.15;margin:0 0 var(--space-3);letter-spacing:.01em;}
p{margin:0 0 var(--space-4);color:var(--color-muted-fg);}

.container{
  width:100%;
  max-width:1160px;
  margin-inline:auto;
  padding-inline:var(--space-5);
}

.skip-link{
  position:absolute; left:-9999px; top:0;
  background:var(--color-primary); color:var(--color-on-primary);
  padding:var(--space-3) var(--space-4); border-radius:var(--radius-sm);
  z-index:100; font-weight:600;
}
.skip-link:focus{left:var(--space-4); top:var(--space-4);}

:focus-visible{
  outline:3px solid var(--color-ring);
  outline-offset:2px;
  border-radius:var(--radius-sm);
}

/* ===== Buttons ===== */
.btn{
  display:inline-flex; align-items:center; gap:var(--space-2);
  padding:12px 22px;
  border-radius:var(--radius-full);
  font-weight:600; font-size:15px;
  cursor:pointer; border:1px solid transparent;
  transition:transform var(--duration-fast) var(--ease), background var(--duration-base) var(--ease), border-color var(--duration-base) var(--ease), box-shadow var(--duration-base) var(--ease);
  white-space:nowrap;
}
.btn .icon{width:18px;height:18px;flex:none;}
.btn-primary{
  background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));
  color:var(--color-on-primary);
  box-shadow:0 6px 20px rgba(245,158,11,.25);
}
.btn-primary:hover{transform:translateY(-2px); box-shadow:0 10px 28px rgba(245,158,11,.35);}
.btn-ghost{
  background:rgba(248,250,252,.04);
  color:var(--color-foreground);
  border-color:var(--color-border);
}
.btn-ghost:hover{border-color:var(--color-accent); background:rgba(139,92,246,.1); transform:translateY(-2px);}
.btn-subscribe{padding:10px 18px; font-size:14px; flex:none; white-space:nowrap;}

/* ===== Header ===== */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(15,23,42,.82);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--color-border);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  gap:var(--space-4);
  padding-block:var(--space-3);
}
.brand{display:flex; align-items:center; gap:var(--space-2); cursor:pointer; min-width:0; flex:1 1 auto; overflow:hidden;}
.brand-logo{border-radius:var(--radius-full); object-fit:cover; border:2px solid var(--color-primary); flex:none;}
.brand-name{font-family:var(--font-display); font-weight:800; font-size:17px; letter-spacing:.02em; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; min-width:0;}
.site-nav{display:flex; gap:var(--space-5); flex:none;}
.site-nav a{
  color:var(--color-muted-fg); font-weight:500; font-size:15px;
  padding-block:var(--space-1);
  border-bottom:2px solid transparent;
  transition:color var(--duration-base) var(--ease), border-color var(--duration-base) var(--ease);
}
.site-nav a:hover{color:var(--color-foreground); border-color:var(--color-primary);}

@media (max-width:860px){
  .site-nav{display:none;}
}

@media (max-width:480px){
  .header-inner{gap:var(--space-2);}
  .brand-logo{width:32px; height:32px;}
  .brand-name{font-size:15px; max-width:150px;}
  .btn-subscribe{
    padding:0; width:40px; height:40px;
    justify-content:center; gap:0; flex:none;
    border-radius:var(--radius-full);
  }
  .btn-subscribe .icon{width:20px; height:20px;}
  .btn-subscribe-label{
    position:absolute; width:1px; height:1px; padding:0; margin:-1px;
    overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
  }
}

/* ===== Hero ===== */
.hero{
  position:relative;
  overflow:hidden;
  padding-block:var(--space-9) var(--space-8);
  text-align:center;
  background:
    radial-gradient(60% 60% at 50% 0%, rgba(139,92,246,.22), transparent 70%),
    radial-gradient(50% 50% at 85% 20%, rgba(245,158,11,.14), transparent 70%),
    var(--color-background);
}
.hero-grid{
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(148,163,184,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148,163,184,.06) 1px, transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(ellipse 70% 60% at 50% 20%, black, transparent);
}
.hero-inner{position:relative; display:flex; flex-direction:column; align-items:center;}
.hero-avatar{
  width:140px; height:140px; border-radius:var(--radius-full);
  object-fit:cover;
  border:3px solid var(--color-primary);
  box-shadow:var(--shadow-glow);
  margin-bottom:var(--space-5);
}
.hero-title{
  font-size:clamp(34px,6vw,58px);
  font-weight:900;
  background:linear-gradient(135deg,var(--color-secondary),var(--color-primary) 55%, var(--color-accent));
  -webkit-background-clip:text; background-clip:text; color:transparent;
  margin-bottom:var(--space-3);
}
.hero-subtitle{
  max-width:640px; margin-inline:auto; margin-bottom:var(--space-6);
  font-size:18px; color:var(--color-muted-fg);
}
.hero-stats{
  display:flex; gap:var(--space-7);
  margin-bottom:var(--space-6);
  flex-wrap:wrap; justify-content:center;
}
.stat{display:flex; flex-direction:column; align-items:center;}
.stat-value{font-family:var(--font-mono); font-weight:700; font-size:24px; color:var(--color-primary);}
.stat-label{font-size:13px; color:var(--color-muted-fg); text-transform:uppercase; letter-spacing:.06em;}
.hero-actions{display:flex; gap:var(--space-4); flex-wrap:wrap; justify-content:center;}

/* ===== Sections ===== */
.section{padding-block:var(--space-8);}
.section-alt{background:var(--color-background-2); border-block:1px solid var(--color-border);}
.section-head{
  display:flex; align-items:flex-end; justify-content:space-between; gap:var(--space-4);
  margin-bottom:var(--space-6); flex-wrap:wrap;
}
.section-head h2{font-size:clamp(24px,3vw,32px);}
.section-sub{margin:0; color:var(--color-muted-fg); font-size:15px;}
.link-more{
  color:var(--color-primary); font-weight:600; font-size:15px;
  border-bottom:1px solid transparent;
  transition:border-color var(--duration-base) var(--ease);
}
.link-more:hover{border-color:var(--color-primary);}

.feed-status{
  color:var(--color-muted-fg); font-family:var(--font-mono); font-size:14px;
  padding:var(--space-4) 0;
}
.feed-status[hidden]{display:none;}
.feed-status.is-error{color:var(--color-destructive);}

/* ===== Video grid ===== */
.video-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:var(--space-5);
}
.video-card{
  background:var(--color-surface);
  border:1px solid var(--color-border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  display:flex; flex-direction:column;
  cursor:pointer;
  transition:transform var(--duration-base) var(--ease), border-color var(--duration-base) var(--ease), box-shadow var(--duration-base) var(--ease);
}
.video-card:hover{transform:translateY(-4px); border-color:var(--color-primary); box-shadow:var(--shadow-card);}
.video-thumb-wrap{position:relative; aspect-ratio:16/9; background:var(--color-muted); overflow:hidden;}
.video-thumb-wrap img{width:100%; height:100%; object-fit:cover; transition:transform var(--duration-base) var(--ease);}
.video-card:hover .video-thumb-wrap img{transform:scale(1.05);}
.video-badge{
  position:absolute; top:var(--space-2); left:var(--space-2);
  background:rgba(15,23,42,.85); color:var(--color-secondary);
  font-family:var(--font-mono); font-size:11px; font-weight:700;
  padding:3px 8px; border-radius:var(--radius-sm);
  border:1px solid rgba(245,158,11,.4);
}
.play-badge{
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  opacity:0; transition:opacity var(--duration-base) var(--ease);
}
.video-card:hover .play-badge{opacity:1;}
.play-badge svg{width:52px;height:52px; filter:drop-shadow(0 4px 12px rgba(0,0,0,.5));}
.video-body{padding:var(--space-4);}
.video-title{
  font-family:var(--font-body); font-weight:600; font-size:15px;
  color:var(--color-foreground);
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
  margin-bottom:var(--space-2); line-height:1.4;
}
.video-meta{
  display:flex; align-items:center; gap:var(--space-2);
  font-family:var(--font-mono); font-size:12px; color:var(--color-muted-fg);
}

/* ===== Shorts grid ===== */
.shorts-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(170px,1fr));
  gap:var(--space-4);
}
.short-card{
  background:var(--color-surface);
  border:1px solid var(--color-border);
  border-radius:var(--radius-md);
  overflow:hidden; cursor:pointer;
  transition:transform var(--duration-base) var(--ease), border-color var(--duration-base) var(--ease);
}
.short-card:hover{transform:translateY(-4px); border-color:var(--color-accent);}
.short-thumb-wrap{position:relative; aspect-ratio:9/16; background:var(--color-muted); overflow:hidden;}
.short-thumb-wrap img{width:100%; height:100%; object-fit:cover;}
.short-badge{
  position:absolute; top:var(--space-2); left:var(--space-2);
  background:rgba(139,92,246,.9); color:#fff;
  font-family:var(--font-mono); font-size:10px; font-weight:700;
  padding:3px 7px; border-radius:var(--radius-sm);
}
.short-title{
  padding:var(--space-3);
  font-size:13px; font-weight:600;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}

.skeleton{
  background:linear-gradient(100deg, var(--color-surface) 30%, var(--color-muted) 50%, var(--color-surface) 70%);
  background-size:200% 100%;
  animation:shimmer 1.4s ease-in-out infinite;
}
@keyframes shimmer{0%{background-position:200% 0;}100%{background-position:-200% 0;}}
.video-card.skeleton, .short-card.skeleton{cursor:default;}

/* ===== About ===== */
.about-grid{
  display:grid; grid-template-columns:280px 1fr; gap:var(--space-8); align-items:center;
}
.about-media img{
  border-radius:var(--radius-lg);
  border:1px solid var(--color-border);
  box-shadow:var(--shadow-card);
}
.about-list{margin:var(--space-4) 0 var(--space-6);}
.about-list li{
  position:relative; padding-left:var(--space-5); margin-bottom:var(--space-2);
  color:var(--color-muted-fg); font-size:15px;
}
.about-list li::before{
  content:''; position:absolute; left:0; top:9px;
  width:8px; height:8px; border-radius:var(--radius-full);
  background:var(--color-primary);
}
@media (max-width:760px){
  .about-grid{grid-template-columns:1fr; text-align:center;}
  .about-media{max-width:220px; margin-inline:auto;}
  .about-list li{padding-left:0;}
  .about-list li::before{display:none;}
}

/* ===== CTA / contact ===== */
.cta{
  background:linear-gradient(135deg, rgba(139,92,246,.12), rgba(245,158,11,.08));
  border-top:1px solid var(--color-border);
  text-align:center;
}
.cta-inner{max-width:640px;}
.cta-links{display:flex; gap:var(--space-4); flex-wrap:wrap; justify-content:center; margin-top:var(--space-5);}

/* ===== Partners ===== */
.partner-card{
  background:var(--color-surface);
  border:1px solid var(--color-border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  padding:var(--space-7) var(--space-6);
  max-width:720px;
  margin-inline:auto;
  position:relative;
  overflow:hidden;
}
.partner-card::before{
  content:'';
  position:absolute; inset:0 0 auto 0; height:3px;
  background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));
}
.partner-card-head{display:flex; align-items:center; gap:var(--space-4); margin-bottom:var(--space-4);}
.partner-logo{width:56px; height:56px; border-radius:var(--radius-full); object-fit:cover; border:2px solid var(--color-primary); flex:none;}
.partner-name{font-family:var(--font-display); font-weight:800; font-size:22px; margin:0;}
.partner-role{margin:2px 0 0; font-size:14px; color:var(--color-muted-fg);}
.partner-desc{margin:0 0 var(--space-5); line-height:1.6;}
.partner-link{color:var(--color-primary); font-weight:600; text-decoration:none; border-bottom:1px solid transparent; transition:border-color var(--duration-base) var(--ease);}
.partner-link:hover{border-color:var(--color-primary);}
.partner-promo{
  display:flex; align-items:center; gap:var(--space-3); flex-wrap:wrap;
  background:rgba(245,158,11,.08);
  border:1px dashed var(--color-accent);
  border-radius:var(--radius-md);
  padding:var(--space-4) var(--space-5);
  margin-bottom:var(--space-5);
}
.promo-label{font-size:14px; color:var(--color-muted-fg);}
.promo-code{
  font-family:var(--font-mono); font-weight:700; font-size:18px; letter-spacing:.06em;
  color:var(--color-accent);
  background:rgba(245,158,11,.12);
  border:1px solid var(--color-accent);
  border-radius:var(--radius-sm);
  padding:4px 12px;
}
.partner-hint{margin:0 0 var(--space-4); font-size:15px; color:var(--color-muted-fg);}
.partner-actions{display:flex; gap:var(--space-4); flex-wrap:wrap;}
.partner-actions .btn{flex:1 1 240px; justify-content:center;}

/* ===== Список поддерживаемых ASIC (PitBit) ===== */
.asic-list{
  background:var(--color-background-2);
  border:1px solid var(--color-border);
  border-radius:var(--radius-md);
  margin:0 0 var(--space-5);
  overflow:hidden;
}
.asic-list>summary{
  display:flex; align-items:center; gap:var(--space-3); flex-wrap:wrap;
  padding:var(--space-3) var(--space-4);
  cursor:pointer; list-style:none;
  font-weight:600; font-size:15px;
  transition:background var(--duration-base) var(--ease);
}
.asic-list>summary::-webkit-details-marker{display:none;}
.asic-list>summary::marker{content:'';}
.asic-list>summary:hover{background:rgba(245,158,11,.06);}
.asic-summary-icon{
  width:16px; height:16px; flex:none; color:var(--color-primary);
  transition:transform var(--duration-base) var(--ease);
}
.asic-list[open] .asic-summary-icon{transform:rotate(90deg);}
.asic-count{
  margin-left:auto;
  font-family:var(--font-mono); font-size:12px;
  color:var(--color-primary);
  background:rgba(245,158,11,.12);
  border:1px solid rgba(245,158,11,.35);
  border-radius:var(--radius-full);
  padding:2px 10px;
}
.asic-body{
  padding:var(--space-2) var(--space-4) var(--space-4);
  border-top:1px solid var(--color-border);
  max-height:340px; overflow-y:auto;
}
.asic-group{margin-top:var(--space-4);}
.asic-group-title{
  font-family:var(--font-body);
  margin:0 0 var(--space-2);
  font-size:12px; font-weight:700; letter-spacing:.08em;
  text-transform:uppercase; color:var(--color-muted-fg);
}
.asic-chips{display:flex; flex-wrap:wrap; gap:var(--space-2);}
.asic-chips li{
  font-family:var(--font-mono); font-size:13px; line-height:1.2;
  color:var(--color-foreground);
  background:var(--color-muted);
  border:1px solid var(--color-border);
  border-radius:var(--radius-sm);
  padding:5px 10px;
}
.asic-note{margin:var(--space-5) 0 0; font-size:13px; line-height:1.5;}
@media (max-width:600px){
  .asic-count{margin-left:0;}
  .asic-body{max-height:300px;}
  .asic-chips li{font-size:12px; padding:4px 8px;}
}

/* ===== Footer ===== */
.site-footer{
  border-top:1px solid var(--color-border);
  background:var(--color-background-2);
  padding-block:var(--space-6);
}
.footer-inner{
  display:flex; align-items:center; justify-content:space-between;
  gap:var(--space-4); flex-wrap:wrap;
}
.brand-footer{font-size:14px; font-weight:600; color:var(--color-muted-fg);}
.footer-copy{margin:0; font-size:13px; color:var(--color-muted-fg);}
.footer-social{display:flex; gap:var(--space-5);}
.footer-social a{font-size:13px; color:var(--color-muted-fg); font-weight:500;}
.footer-social a:hover{color:var(--color-primary);}

@media (max-width:600px){
  .hero-stats{gap:var(--space-5);}
  .footer-inner{flex-direction:column; text-align:center;}
  .partner-card{padding:var(--space-6) var(--space-4);}
  .partner-actions{flex-direction:column;}
  .partner-actions .btn{flex:1 1 auto; width:100%; white-space:normal; text-align:center;}
  .cta-links{flex-direction:column; align-items:stretch;}
  .cta-links .btn{width:100%; white-space:normal; text-align:center; word-break:break-word;}
}