*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#0a1628;--bg2:#0f1d32;--bg3:#132744;--cyan:#00d4ff;--blue:#0077ff;--text:#c8d6e5;--heading:#e8edf3;--muted:#6b7a8d;--accent-gradient:linear-gradient(135deg,#00d4ff,#0077ff);--radius:10px;--max-w:1100px}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;font-size:17px}
a{color:var(--cyan);text-decoration:none;transition:color .2s}
a:hover{color:var(--blue)}
img,svg{max-width:100%;height:auto}

/* Header */
.site-header{background:var(--bg2);border-bottom:1px solid rgba(0,212,255,.1);padding:1rem 2rem;position:sticky;top:0;z-index:100;backdrop-filter:blur(12px)}
.header-inner{max-width:var(--max-w);margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:2rem}
.logo{height:48px;width:auto}
nav{display:flex;gap:1.8rem;align-items:center}
nav a{color:var(--muted);font-size:.92rem;font-weight:500;letter-spacing:.5px;text-transform:uppercase;transition:color .2s}
nav a:hover,nav a.active{color:var(--cyan)}

/* Hero */
.hero{padding:5rem 2rem 4rem;text-align:center;background:linear-gradient(180deg,var(--bg2) 0%,var(--bg) 100%)}
.hero h1{font-size:2.8rem;font-weight:700;color:var(--heading);margin-bottom:1rem;letter-spacing:-0.5px}
.hero h1 span{background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{font-size:1.15rem;color:var(--muted);max-width:600px;margin:0 auto}

/* Cards grid */
.section{max-width:var(--max-w);margin:0 auto;padding:3rem 2rem}
.section-title{font-size:1.6rem;color:var(--heading);margin-bottom:2rem;padding-bottom:.8rem;border-bottom:2px solid rgba(0,212,255,.15)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.8rem}
.card{background:var(--bg2);border:1px solid rgba(0,212,255,.08);border-radius:var(--radius);overflow:hidden;transition:transform .2s,border-color .2s}
.card:hover{transform:translateY(-4px);border-color:rgba(0,212,255,.25)}
.card-img{width:100%;aspect-ratio:2/1;object-fit:cover;display:block;background:var(--bg3)}
.card-body{padding:1.4rem}
.card-date{font-size:.8rem;color:var(--muted);margin-bottom:.4rem;text-transform:uppercase;letter-spacing:.5px}
.card-body h3{font-size:1.15rem;color:var(--heading);margin-bottom:.6rem;line-height:1.4}
.card-body p{font-size:.92rem;color:var(--text);opacity:.85;line-height:1.6}

/* Article page */
.article-header{padding:3rem 2rem 2rem;text-align:center;background:linear-gradient(180deg,var(--bg2) 0%,var(--bg) 100%)}
.article-header h1{font-size:2.2rem;color:var(--heading);max-width:800px;margin:0 auto 1rem;line-height:1.3}
.article-meta{display:flex;align-items:center;justify-content:center;gap:1rem;color:var(--muted);font-size:.9rem}
.article-meta time{color:var(--cyan);font-weight:500}
.article-hero-img{max-width:var(--max-w);margin:0 auto;padding:0 2rem}
.article-hero-img img,.article-hero-img svg{width:100%;border-radius:var(--radius);margin-top:1rem}
.article-content{max-width:760px;margin:0 auto;padding:2.5rem 2rem 3rem}
.article-content h2{font-size:1.5rem;color:var(--heading);margin:2.2rem 0 1rem;padding-top:1rem;border-top:1px solid rgba(0,212,255,.08)}
.article-content h3{font-size:1.2rem;color:var(--heading);margin:1.5rem 0 .8rem}
.article-content p{margin-bottom:1.2rem}
.article-content ul,.article-content ol{margin:0 0 1.2rem 1.5rem}
.article-content li{margin-bottom:.4rem}
.article-content blockquote{border-left:3px solid var(--cyan);padding:.8rem 1.2rem;margin:1.5rem 0;background:rgba(0,212,255,.03);border-radius:0 var(--radius) var(--radius) 0;font-style:italic;color:var(--muted)}

/* Author box */
.author-box{display:flex;align-items:center;gap:1.2rem;background:var(--bg2);border:1px solid rgba(0,212,255,.1);border-radius:var(--radius);padding:1.4rem;margin:2.5rem 0}
.author-box img,.author-box svg{width:72px;height:72px;border-radius:50%;flex-shrink:0;border:2px solid rgba(0,212,255,.2);object-fit:cover}
.author-info{flex:1}
.author-info .label{font-size:.75rem;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin-bottom:.2rem}
.author-info .name{font-size:1.05rem;color:var(--heading);font-weight:600}
.author-info .bio{font-size:.85rem;color:var(--text);opacity:.8;margin-top:.3rem;line-height:1.5}

/* About page */
.about-content{max-width:760px;margin:0 auto;padding:3rem 2rem}
.about-content h1{font-size:2rem;color:var(--heading);margin-bottom:1.5rem}
.about-content h2{font-size:1.4rem;color:var(--heading);margin:2rem 0 1rem}
.about-content p{margin-bottom:1.2rem}
.about-author-profile{display:flex;gap:2rem;align-items:flex-start;background:var(--bg2);border:1px solid rgba(0,212,255,.1);border-radius:var(--radius);padding:2rem;margin:2rem 0}
.about-author-profile img,.about-author-profile svg{width:120px;height:120px;border-radius:50%;flex-shrink:0;border:3px solid rgba(0,212,255,.2);object-fit:cover}
.about-author-profile .details h3{color:var(--heading);font-size:1.3rem;margin-bottom:.5rem}
.about-author-profile .details p{font-size:.95rem}

/* Footer */
.site-footer{background:var(--bg2);border-top:1px solid rgba(0,212,255,.08);padding:2rem;text-align:center;color:var(--muted);font-size:.85rem;margin-top:3rem}

/* Responsive */
@media(max-width:768px){
  .header-inner{flex-direction:column;gap:1rem}
  nav{gap:1.2rem;flex-wrap:wrap;justify-content:center}
  .hero h1{font-size:2rem}
  .cards{grid-template-columns:1fr}
  .about-author-profile{flex-direction:column;align-items:center;text-align:center}
  .author-box{flex-direction:column;text-align:center}
}