@font-face {
  font-family: 'SF Pro Display';
  src: url('https://sf-fonts.com/sf-pro-display-medium.woff2') format('woff2');
}

:root{
  --quantum-plasma: #00f0ff;
  --quantum-singularity: #ff00f0;
  --void-900: #010101;
}

body.quantum-interface{background-color:var(--void-900);color:rgba(255,255,255,0.92);overflow-x:hidden}
.quantum-interface{background:radial-gradient(ellipse at bottom,#0a0a0a 0%,#010101 100%)}
.quantum-glass{background:rgba(10,10,10,0.6);backdrop-filter:blur(24px) saturate(200%);-webkit-backdrop-filter:blur(24px) saturate(200%);border:1px solid rgba(255,255,255,0.08);box-shadow:0 8px 32px 0 rgba(0,0,0,0.36)}
.quantum-border{position:relative;border-radius:12px}
.quantum-border::before{content:'';position:absolute;inset:0;border-radius:inherit;padding:1px;background:linear-gradient(135deg, rgba(0,240,255,0.4), rgba(255,0,240,0.4));-webkit-mask:linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.quantum-text{background:linear-gradient(90deg,var(--quantum-plasma),var(--quantum-singularity));-webkit-background-clip:text;background-clip:text;color:transparent}
.quantum-gradient{background:linear-gradient(90deg,var(--quantum-plasma),var(--quantum-singularity))}
.quantum-dot{width:8px;height:8px;background:var(--quantum-plasma);box-shadow:0 0 12px var(--quantum-plasma);border-radius:50%;position:relative}
.quantum-grid{background-image:linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);background-size:40px 40px}
.quantum-terminal{background:rgba(0,0,0,0.5);border:1px solid rgba(255,255,255,0.1);font-family:'SF Mono',Menlo,monospace;font-size:14px;line-height:1.5;color:var(--quantum-plasma);text-shadow:0 0 8px rgba(0,240,255,0.3)}
.quantum-hover:hover{transform:translateY(-4px);box-shadow:0 20px 25px -5px rgba(0,240,255,0.1), 0 10px 10px -5px rgba(255,0,240,0.1)}
.holographic-card{transition:all .3s ease}
.holographic-card:hover{transform:translateY(-8px);box-shadow:0 20px 25px -5px rgba(0,240,255,0.2), 0 10px 10px -5px rgba(255,0,240,0.2)}
.hero-heading{font-size:4rem}
@media (max-width:768px){.hero-heading{font-size:3.5rem}}

/* Particle styles */
#quantum-particles .particle{position:absolute;border-radius:50%;pointer-events:none;filter:blur(0.5px);mix-blend-mode:screen}

/* helpers */
.container{max-width:1200px;margin:0 auto}
.p-6{padding:1.5rem}

/* Ensure content avoids sticky header overlap */
main{padding-top:var(--site-header-height,0);transition:padding-top .12s ease}

/* Fallback for environments where JS hasn't run yet: ensure header doesn't overlap main on small screens */
@media (max-width:768px){main{padding-top:72px !important}}

/* Improve touch targets for navigation and menu toggle */
header .container a, header nav a, #quantum-menu-toggle{padding:.6rem .6rem;min-height:44px;display:inline-flex;align-items:center;justify-content:center}
#quantum-mobile-menu nav a{padding:.75rem 0}
#quantum-menu-toggle{padding:.5rem;border-radius:8px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.6rem .9rem;border-radius:999px;border:1px solid rgba(255,255,255,0.06);background:transparent;color:inherit;text-decoration:none;font-weight:700}
.btn:hover{transform:translateY(-2px);box-shadow:0 6px 18px rgba(0,0,0,0.4)}
.btn-primary{background:linear-gradient(90deg,var(--quantum-plasma),var(--quantum-singularity));color:#000;border:none}
.btn-mini{padding:.3rem .5rem;border-radius:8px;font-size:.85rem}

/* quick accessibility support */
:focus{outline:2px solid rgba(0,240,255,0.12);outline-offset:2px}

/* Hero & post card animations */
.animate-neon-pulse{animation:neonPulse 6s ease-in-out infinite}
@keyframes neonPulse{0%,100%{transform:scale(1);filter:blur(12px);opacity:.6}50%{transform:scale(1.04);filter:blur(14px);opacity:1}}
.hero-heading{animation:fadeUp .8s ease both}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

.post-card{transition:all .28s cubic-bezier(.2,.9,.2,1);position:relative;overflow:hidden;border-radius:12px;opacity:0;transform:translateY(8px)}
.post-card.in-view{opacity:1;transform:translateY(0)}
.post-card a{display:block;color:inherit;text-decoration:none}
.post-card::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent,rgba(0,0,0,0.25));opacity:0;transition:opacity .28s ease}
.post-card:hover{transform:translateY(-6px) scale(1.01);box-shadow:0 24px 40px rgba(0,0,0,0.4)}
.post-card:hover::after{opacity:1}
.post-card .meta{opacity:.9;font-size:.9rem;margin-top:.5rem}

.post .featured img{border-radius:12px;box-shadow:0 24px 80px rgba(0,0,0,0.6);transition:transform .35s ease,opacity .35s ease}
.post .featured img:hover{transform:scale(1.02)}

/* Post actions */
.post-actions{display:flex;gap:.5rem;align-items:center;margin-top:.5rem;margin-bottom:1rem}
.post-actions .tags{display:flex;gap:.4rem;flex-wrap:wrap}
.share-btn{background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.04)}

/* Site toast (public) */
.site-toast{position:fixed;left:50%;transform:translateX(-50%);bottom:18px;background:rgba(0,0,0,0.9);color:#fff;padding:.6rem 1rem;border-radius:8px;z-index:90;box-shadow:0 8px 20px rgba(0,0,0,0.6);opacity:0;pointer-events:none}
.site-toast.show{opacity:1;pointer-events:auto;transition:all .3s cubic-bezier(.2,.9,.2,1)}

/* Lightbox */
.site-lightbox{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,0.85);z-index:100;opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s}
.site-lightbox.show{opacity:1;visibility:visible}
.site-lightbox-inner{max-width:90%;max-height:90%;}
.site-lightbox-inner img{max-width:100%;max-height:100%;border-radius:8px}

/* Image trigger (keyboard focus) */
.img-lightbox-trigger{display:inline-block;border-radius:12px;padding:0}
.img-lightbox-trigger:focus{outline:3px solid rgba(0,240,255,0.18);outline-offset:3px}
.img-lightbox-trigger img{display:block}

@media (max-width:768px){
  .hero-heading{font-size:2.6rem}
}