/* Shared by /community/ and /contact-us/: Discord / YouTube / Telegram / X channel cards, YouTube thumbnails.
   Same visual language as the homepage "Follow along" block (glass card + spinning conic border, --hfb-a / hfb-spin come from hf-bottom.css).
   Tokens only: --tw --glow --vio --text --text-2 --text-3 --line-2 --mono --ease --accent. */
.sc-card{--c1:61,242,154;--c2:236,0,140;position:relative;isolation:isolate;display:flex;flex-direction:column;gap:14px;min-width:0;padding:clamp(20px,3vw,28px);border-radius:22px;overflow:hidden;
  background:linear-gradient(180deg,rgba(var(--tw),.05),rgba(var(--tw),.02));box-shadow:0 28px 56px -38px rgba(var(--ts),var(--sa));transition:transform .35s var(--ease,ease),box-shadow .35s}
.sc-card::before{content:"";position:absolute;inset:0;z-index:-1;border-radius:inherit;padding:1px;pointer-events:none;
  background:conic-gradient(from var(--hfb-a,0deg),rgba(var(--c1),.85),rgba(var(--tw),.07) 25%,rgba(var(--c2),.8) 50%,rgba(var(--tw),.07) 75%,rgba(var(--c1),.85));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box exclude,linear-gradient(#000 0 0);animation:hfb-spin 14s linear infinite}
.sc-card::after{content:"";position:absolute;z-index:-1;right:-20%;top:-40%;width:70%;height:90%;pointer-events:none;background:radial-gradient(closest-side,rgba(var(--c1),.18),transparent);transition:opacity .4s}
.sc-card:hover,.sc-card:focus-within{transform:translateY(-3px);box-shadow:0 34px 60px -34px rgba(var(--c1),.45)}
.sc-discord{--c1:88,101,242;--c2:236,0,140}
.sc-youtube{--c1:255,59,59;--c2:242,184,75}
.sc-telegram{--c1:42,171,238;--c2:61,242,154}
.sc-x{--c1:var(--tw);--c2:124,92,255}
.sc-top{display:flex;align-items:center;gap:14px}
.sc-ico{flex:none;display:inline-grid;place-items:center;width:52px;height:52px;border-radius:16px;color:#fff;background:rgb(var(--c1));box-shadow:0 10px 26px -10px rgba(var(--c1),.8),inset 0 1px 0 rgba(255,255,255,.3)}
.sc-x .sc-ico{background:rgb(var(--tw));color:rgb(var(--tk))}
.sc-telegram .sc-ico{background:rgb(var(--kt-2aabee))}
.sc-ico svg{width:26px;height:26px}
.sc-card h3{margin:0;font-size:clamp(20px,2.2vw,24px);line-height:1.2;letter-spacing:-.02em;color:var(--text)}
.sc-card p{margin:0;font-size:16px;line-height:1.55;color:var(--text-2)}
.sc-card .sc-sub{font:600 12px/1 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--text-3);margin-bottom:6px}
.sc-btn{align-self:flex-start;display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 18px;border-radius:999px;border:1px solid rgba(var(--tw),.18);background:rgba(var(--tw),.05);color:var(--text);font:600 15px/1 var(--font);text-decoration:none;transition:background .2s,border-color .2s,transform .2s,box-shadow .2s}
.sc-btn svg{flex:none;transition:transform .25s var(--ease,ease)}
.sc-btn:hover svg,.sc-btn:focus-visible svg{transform:translateX(4px)}
.sc-btn:hover{border-color:rgba(var(--c1),.8);background:rgba(var(--c1),.14)}
.sc-btn-fill{border-color:transparent;color:#fff;background:rgb(var(--c1));box-shadow:0 12px 28px -12px rgba(var(--c1),.9)}
.sc-discord .sc-btn-fill{background:#5865f2}
.sc-youtube .sc-btn-fill{background:#e02424}
.sc-btn-fill:hover{border-color:transparent;filter:brightness(1.1);background:rgb(var(--c1))}
.sc-discord .sc-btn-fill:hover{background:#6a76ff}
.sc-youtube .sc-btn-fill:hover{background:#f03a3a}
.sc-card a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.sc-fine{font-size:14px!important;color:var(--text-3)!important}
.sc-fine a{color:var(--text-2);text-underline-offset:3px}
/* YouTube thumbnails: 2x2, each opens the video in a new tab */
.yt-thumbs{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.yt-thumbs li{margin:0;min-width:0}
.yt-th{position:relative;display:block;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:rgba(var(--tw),.08);box-shadow:inset 0 0 0 1px rgba(var(--tw),.12),0 10px 24px -16px rgba(var(--ts),var(--sa));transition:transform .3s var(--ease,ease),box-shadow .3s}
.yt-th img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease,ease),filter .3s}
.yt-th::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(0,0,0,.45));opacity:.8;pointer-events:none}
.yt-play{position:absolute;z-index:2;left:50%;top:50%;display:grid;place-items:center;width:40px;height:40px;margin:-20px 0 0 -20px;border-radius:50%;color:#fff;background:rgba(224,36,36,.92);box-shadow:0 6px 18px rgba(0,0,0,.4);transform:scale(.9);transition:transform .25s var(--ease,ease),background .2s}
.yt-play svg{margin-left:2px}
.yt-th:hover,.yt-th:focus-visible{transform:translateY(-2px);box-shadow:inset 0 0 0 1px rgba(255,59,59,.7),0 14px 28px -14px rgba(255,59,59,.55)}
.yt-th:hover img,.yt-th:focus-visible img{transform:scale(1.06)}
.yt-th:hover .yt-play,.yt-th:focus-visible .yt-play{transform:scale(1.12);background:#f03a3a}
.yt-thumbs-4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:640px){.yt-thumbs-4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (prefers-reduced-motion:reduce){.sc-card::before{animation:none}.sc-card,.yt-th,.yt-th img,.yt-play,.sc-btn svg{transition:none}.sc-card:hover,.sc-card:focus-within,.yt-th:hover{transform:none}.yt-th:hover img{transform:none}}