/* Responsive Green & Gold theme with mobile nav and subtle animations */
:root{
  --primary:#0b5f3a;
  --accent:#f2b705;
  --muted:#6b7280;
  --bg:#f8fafb;
  --card:#ffffff;
  --radius:10px;
  --header-h:72px;
  font-family:Inter, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
  scroll-behavior:smooth;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:#0f172a;-webkit-font-smoothing:antialiased;line-height:1.45}
.container{max-width:1100px;margin:0 auto;padding:18px}
.site-header{position:sticky;top:0;z-index:60;background:linear-gradient(90deg,var(--primary),#137f56);color:white;backdrop-filter:blur(6px);box-shadow:0 4px 18px rgba(8,12,10,0.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:10px 18px;min-height:var(--header-h)}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit}
.logo-img{width:64px;height:64px;object-fit:cover;border-radius:8px;border:3px solid rgba(255,255,255,0.06)}
.school-name{margin:0;font-size:18px;font-weight:700}
.school-sub{font-size:13px;opacity:0.95}

/* Desktop nav */
.main-nav{display:flex;gap:12px;align-items:center}
.main-nav a{color:white;text-decoration:none;margin-left:8px;padding:8px 10px;border-radius:8px;font-weight:600;transition:background .18s ease}
.main-nav a:hover{background:rgba(255,255,255,0.06)}

/* Mobile nav - hidden by default on desktop */
.nav-toggle{display:none;background:transparent;border:0;color:white;font-size:20px;cursor:pointer;padding:8px;border-radius:8px}
.mobile-nav{display:none}

/* Hero & layout */
.card{background:var(--card);padding:18px;border-radius:var(--radius);box-shadow:0 6px 18px rgba(12,16,21,0.06);margin-bottom:18px}
.hero{display:flex;gap:18px;align-items:flex-start;padding:18px 0}
.hero-left{flex:1}
.hero-right{width:320px}

/* Quick info */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}

/* Utility */
.lead{font-size:15px;color:var(--muted)}
.btn{display:inline-block;background:var(--accent);color:#08120c;padding:10px 14px;border-radius:8px;text-decoration:none;font-weight:700;box-shadow:0 6px 14px rgba(242,183,5,0.08)}

/* Principal */
.principal-grid{display:grid;grid-template-columns:180px 1fr;gap:18px;align-items:start}
.portrait{width:100%;height:auto;border-radius:8px;object-fit:cover;border:2px solid #e6eef6}

/* News */
.news-list{padding-left:18px}

/* Footer */
.site-footer{background:transparent;padding:16px 0;color:var(--muted)}
.footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}

/* Small devices */
@media (max-width:900px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .hero{flex-direction:column}
  .principal-grid{grid-template-columns:1fr}
  .hero-right{width:100%}
}

/* Mobile behavior */
@media (max-width:640px){
  .main-nav{display:none}
  .nav-toggle{display:inline-block}
  .mobile-nav{display:block;background:linear-gradient(180deg,var(--primary),#0e6d45);padding:12px;border-radius:10px;margin:8px 18px 12px}
  .mobile-nav a{display:block;color:white;padding:10px 6px;text-decoration:none;border-radius:8px;font-weight:700}
  .container{padding:12px}
  .grid{grid-template-columns:1fr}
  .logo-img{width:56px;height:56px}
  .school-name{font-size:16px}
}

/* Simple animations */
.fade-in{animation:fadeIn .5s ease both}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* Focus states for accessibility */
a:focus,button:focus,input:focus{outline:3px solid rgba(11,95,58,0.14);outline-offset:2px}
small{font-size:13px;color:var(--muted)}