:root{
  --bg:#070d16; --bg2:#0a121f; --panel:#0d1726; --panel2:#101d30;
  --line:rgba(255,255,255,.07); --line2:rgba(255,255,255,.13);
  --text:#e8eef6; --muted:#7e8da0;
  --cyan:#48d7f3; --blue:#4d8fff; --gold:#f3c969; --green:#56e58a; --red:#ff6b6b;
  --mono:'JetBrains Mono',monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}

/* Nav */
.site-nav{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;padding:14px 28px;background:rgba(7,13,22,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:9px;font-size:18px;font-weight:700;letter-spacing:-.02em}
.brand b{color:var(--cyan);font-weight:800}
.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--cyan),var(--blue));color:#06121e;font-size:18px}
.nav-links{display:flex;align-items:center;gap:10px}
.nav-links>a:not(.btn-solid):not(.btn-ghost){color:var(--muted);font-size:13px;font-weight:600;padding:8px 10px}
.nav-links>a:hover{color:var(--text)}
.btn-solid{display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:10px;background:linear-gradient(135deg,var(--cyan),var(--blue));color:#06121e;font-weight:700;font-size:13px;border:0;cursor:pointer;transition:.15s}
.btn-solid:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-ghost{display:inline-flex;align-items:center;gap:7px;padding:9px 15px;border-radius:10px;border:1px solid var(--line2);color:var(--text);font-weight:600;font-size:13px;cursor:pointer;transition:.15s;background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-solid.lg,.btn-ghost.lg{padding:13px 22px;font-size:14px;border-radius:12px}

/* Hero */
.hero{position:relative;text-align:center;padding:90px 24px 70px;overflow:hidden}
.hero-glow{position:absolute;top:-180px;left:50%;transform:translateX(-50%);width:680px;height:480px;background:radial-gradient(closest-side,rgba(72,215,243,.22),transparent);filter:blur(20px);pointer-events:none}
.hero-tag{position:relative;display:inline-block;font:600 11px var(--mono);letter-spacing:.18em;color:var(--cyan);padding:6px 14px;border:1px solid rgba(72,215,243,.25);border-radius:99px;background:rgba(72,215,243,.06);margin-bottom:22px}
.hero h1{position:relative;font-size:clamp(30px,5vw,52px);font-weight:800;line-height:1.08;letter-spacing:-.03em;max-width:760px;margin:0 auto}
.hero h1 span{background:linear-gradient(120deg,var(--cyan),var(--gold));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p{position:relative;color:var(--muted);max-width:540px;margin:18px auto 0;font-size:15px}
.hero-actions{position:relative;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:30px}

/* Feed */
.wrap{max-width:1080px;margin:0 auto;padding:30px 24px 80px}
.feed-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px;padding-top:20px}
.feed-head h2{font-size:24px;font-weight:800;letter-spacing:-.02em}
.cats{display:flex;flex-wrap:wrap;gap:7px}
.cats button{padding:6px 13px;border:1px solid var(--line);border-radius:99px;background:rgba(255,255,255,.03);color:var(--muted);font-size:12px;font-weight:600;cursor:pointer;transition:.14s;text-transform:capitalize}
.cats button:hover{color:var(--text)}
.cats button.active{background:rgba(72,215,243,.14);border-color:rgba(72,215,243,.3);color:var(--cyan)}
.feed{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}
.loading{grid-column:1/-1;display:flex;align-items:center;justify-content:center;gap:9px;padding:60px;color:var(--muted)}
.post-card{position:relative;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:16px;background:linear-gradient(180deg,var(--panel),var(--bg2));overflow:hidden;cursor:pointer;transition:.16s}
.post-card:hover{border-color:var(--line2);transform:translateY(-3px);box-shadow:0 16px 40px -22px rgba(0,0,0,.8)}
.post-cover{height:150px;background:linear-gradient(135deg,#11243a,#0b1626);background-size:cover;background-position:center;border-bottom:1px solid var(--line);position:relative}
.post-card.pinned .post-cover::after{content:'★ Fijado';position:absolute;top:10px;left:10px;font-size:10px;font-weight:700;background:rgba(243,201,105,.16);color:var(--gold);padding:3px 9px;border-radius:99px;border:1px solid rgba(243,201,105,.3)}
.post-card-body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1}
.post-cat{align-self:flex-start;font-size:9.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--cyan);background:rgba(72,215,243,.1);padding:3px 9px;border-radius:99px}
.post-card h3{font-size:17px;font-weight:700;line-height:1.25;letter-spacing:-.01em}
.post-card p{color:var(--muted);font-size:13px;flex:1}
.post-foot{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:11px;border-top:1px solid var(--line);padding-top:11px;margin-top:4px}
.post-foot .dot{margin-left:auto;display:inline-flex;align-items:center;gap:5px}
.empty{grid-column:1/-1;text-align:center;padding:60px;color:var(--muted)}
.empty i{font-size:40px;display:block;margin-bottom:10px;opacity:.5}

/* Post modal */
.post-overlay{position:fixed;inset:0;z-index:60;background:rgba(4,8,14,.7);backdrop-filter:blur(6px);display:flex;align-items:flex-start;justify-content:center;padding:40px 16px;overflow:auto}
.post-overlay[hidden]{display:none}
.post-modal{position:relative;width:100%;max-width:720px;background:var(--panel);border:1px solid var(--line2);border-radius:18px;overflow:hidden;box-shadow:0 30px 80px -30px #000}
.post-close{position:absolute;top:14px;right:14px;z-index:2;width:36px;height:36px;display:grid;place-items:center;border:1px solid var(--line);border-radius:10px;background:rgba(0,0,0,.4);color:var(--text);cursor:pointer;font-size:18px}
.post-close:hover{border-color:var(--cyan);color:var(--cyan)}
.post-modal-body{max-height:84vh;overflow:auto}
.pm-cover{height:220px;background:linear-gradient(135deg,#11243a,#0b1626);background-size:cover;background-position:center}
.pm-inner{padding:26px 30px 30px}
.pm-cat{font-size:10px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--cyan)}
.pm-inner h1{font-size:28px;font-weight:800;letter-spacing:-.02em;margin:6px 0 8px;line-height:1.15}
.pm-meta{color:var(--muted);font-size:12px;margin-bottom:20px;display:flex;gap:12px;flex-wrap:wrap}
.pm-content{font-size:15px;line-height:1.7;color:#d7e0ea;white-space:pre-wrap;word-wrap:break-word}
.pm-content a{color:var(--cyan);text-decoration:underline}

/* Comments */
.comments{margin-top:30px;border-top:1px solid var(--line);padding-top:22px}
.comments h3{font-size:15px;margin-bottom:14px}
.comment{display:flex;gap:11px;margin-bottom:14px}
.c-avatar{flex-shrink:0;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--cyan),var(--blue));color:#06121e;font-weight:700;font-size:13px}
.c-body b{font-size:13px}
.c-body span{display:block;font-size:10px;color:var(--muted);margin:1px 0 4px}
.c-body p{font-size:13.5px;color:#cdd8e5;white-space:pre-wrap}
.comment-box{display:flex;gap:9px;margin-top:18px}
.comment-box textarea{flex:1;resize:vertical;min-height:46px;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.03);color:var(--text);padding:11px 13px;font:inherit;font-size:13px;outline:none}
.comment-box textarea:focus{border-color:rgba(72,215,243,.4)}
.comment-box button{flex-shrink:0;align-self:flex-end;padding:11px 16px;border:0;border-radius:10px;background:linear-gradient(135deg,var(--cyan),var(--blue));color:#06121e;font-weight:700;cursor:pointer}
.comment-login{margin-top:16px;padding:14px;border:1px dashed var(--line2);border-radius:12px;color:var(--muted);font-size:13px;text-align:center}
.comment-login a{color:var(--cyan);font-weight:600}

@media(max-width:560px){
  .site-nav{padding:12px 16px}
  .nav-links #loginLink{display:none}
  .hero{padding:60px 18px 50px}
  .pm-inner{padding:20px}
}

/* Galería y descargas en la publicación */
.pm-gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin-top:22px}
.pm-gallery a{display:block;border-radius:10px;overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3}
.pm-gallery img{width:100%;height:100%;object-fit:cover;transition:.2s}
.pm-gallery a:hover img{transform:scale(1.05)}
.pm-files{margin-top:24px}
.pm-files h3{font-size:15px;margin-bottom:12px}
.pm-file{display:flex;align-items:center;gap:12px;padding:13px 15px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.02);margin-bottom:9px;transition:.15s}
.pm-file:hover{border-color:var(--cyan);background:rgba(72,215,243,.06)}
.pm-file>i:first-child{font-size:24px;color:var(--cyan)}
.pm-file div{flex:1;min-width:0}
.pm-file b{font-size:14px;color:var(--text);display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pm-file span{font-size:11px;color:var(--muted)}
.pm-file .dl{font-size:20px;color:var(--muted)}
.pm-file:hover .dl{color:var(--cyan)}

/* Footer con enlaces legales */
.foot-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.foot-links a{color:var(--muted);font-size:13px}
.foot-links a:hover{color:var(--cyan)}