*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#2c3e50;
  --primary-light:#4a6fa5;
  --accent:#5b8fb9;
  --bg:#f7f9fc;
  --bg-alt:#eef2f7;
  --text:#1a2332;
  --text-light:#5a6a7a;
  --glass:rgba(255,255,255,0.15);
  --border:#d4dde8;
  --white:#ffffff;
  --max-w:1100px;
}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;line-height:1.7;color:var(--text);background:var(--bg)}
a{color:var(--accent);text-decoration:none;transition:color .2s}
a:hover{color:var(--primary)}
img{max-width:100%;height:auto;display:block;border-radius:8px}

/* Layout */
.container{max-width:var(--max-w);margin:0 auto;padding:0 1.5rem}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:center}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}

/* Header */
header{background:var(--white);border-bottom:1px solid var(--border);padding:1rem 0;position:sticky;top:0;z-index:100;backdrop-filter:blur(10px)}
header nav{display:flex;justify-content:space-between;align-items:center;max-width:var(--max-w);margin:0 auto;padding:0 1.5rem}
.logo{display:flex;align-items:center;gap:0.5rem;font-weight:700;font-size:1.2rem;color:var(--primary);text-decoration:none}
.brand {display:flex;align-items:center;gap:0.5rem;font-weight:700;font-size:1.2rem;color:var(--primary);text-decoration:none}

.brand-icon { width: 24px; height: 24px; flex-shrink: 0; vertical-align: middle; margin-right: 6px; }

.nav-links{display:flex;gap:1.5rem;align-items:center}
.nav-links a{color:var(--text-light);font-size:0.95rem;font-weight:500;transition:color .2s}
.nav-links a:hover,.nav-links a.active{color:var(--primary)}

/* Hero */
.hero{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);color:var(--white);padding:5rem 1.5rem;text-align:center}
.hero h1{font-size:2.8rem;margin-bottom:1rem;font-weight:700;letter-spacing:-0.5px}
.hero p{font-size:1.2rem;max-width:650px;margin:0 auto;opacity:0.9;line-height:1.6}

/* Sections */
section{padding:4rem 0}
section.alt{background:var(--bg-alt)}
h2{font-size:1.8rem;color:var(--primary);margin-bottom:1rem;font-weight:700}
h3{font-size:1.3rem;color:var(--primary);margin-bottom:0.5rem}
p{margin-bottom:1rem}

/* Cards */
.card{background:var(--white);border:1px solid var(--border);border-radius:12px;overflow:hidden;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-3px);box-shadow:0 8px 25px rgba(0,0,0,0.08)}
.card img{width:100%;height:220px;object-fit:cover;border-radius:0}
.card-body{padding:1.25rem}
.card-body h3{margin-bottom:0.4rem}
.card-body p{color:var(--text-light);font-size:0.95rem;margin-bottom:0}

/* Buttons */
.btn{display:inline-block;padding:0.75rem 1.75rem;background:var(--accent);color:var(--white);border-radius:6px;font-weight:600;font-size:0.95rem;transition:background .2s}
.btn:hover{background:var(--primary);color:var(--white)}

/* Article */
.article-content{max-width:750px;margin:0 auto}
.article-content h2{margin-top:2rem}
.article-content p{font-size:1.05rem;color:var(--text)}
.article-content img{margin:2rem 0;border-radius:12px}

/* Footer */
footer{background:var(--primary);color:rgba(255,255,255,0.8);padding:3rem 0}
footer .container{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:2rem}
.footer-col h4{color:var(--white);margin-bottom:0.75rem;font-size:1rem}
.footer-col p,.footer-col a{color:rgba(255,255,255,0.7);font-size:0.9rem}
.footer-col a:hover{color:var(--white)}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:0.4rem}
.footer-bottom{text-align:center;margin-top:2rem;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,0.15);font-size:0.85rem;color:rgba(255,255,255,0.6)}

/* Responsive */
@media(max-width:768px){
  .grid-2{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr}
  .hero h1{font-size:2rem}
  .hero{padding:3rem 1.5rem}
  .nav-links{gap:1rem}
  .nav-links a{font-size:0.85rem}
  footer .container{flex-direction:column}
}
@media(max-width:480px){
  .nav-links{gap:0.6rem}
  .hero h1{font-size:1.6rem}
}