/* CSIS-inspired light theme for NPC */
:root{
  --ink:#1a1a1a; --muted:#6b7280; --bg:#f7f7f7; --white:#fff;
  --border:#e5e7eb; --accent:#006c74; --accent-dark:#004e55;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:"Source Sans 3",system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}
h1,h2,h3,h4{font-family:"Source Serif 4",Georgia,serif;color:#111}
h1,h2,h3{margin:0 0 8px 0}
.h1{font-size:44px;line-height:1.15}.h2{font-size:30px}.h3{font-size:20px}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 14px;border-radius:4px;border:1px solid transparent;cursor:pointer;font-weight:700}
.btn--primary{background:var(--accent);color:#fff}.btn--primary:hover{background:var(--accent-dark)}
.btn--ghost{background:#fff;border:1px solid var(--border);color:#111}
.input,.select,textarea{width:100%;background:#fff;border:1px solid var(--border);border-radius:4px;padding:10px 12px;color:var(--ink)}

/* Topbar & header */
.topbar{background:#0f172a;color:#dbe5f1;font-size:14px}
.topbar__inner{display:flex;justify-content:space-between;align-items:center;height:38px}
.topbar a{color:#dbe5f1;text-decoration:none;margin-left:14px}
.site-header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50}
.header__inner{display:grid;grid-template-columns:1fr auto auto;gap:16px;align-items:center;height:74px}
.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none}
.brand__mark{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:4px;background:#e6f1f3;color:#0b3c42;font-weight:800}
.brand__text{font-weight:800;letter-spacing:.3px}
.site-nav{display:flex;gap:16px;flex-wrap:wrap}
.site-nav a{padding:8px 8px;border-radius:2px;color:#222;text-decoration:none}
.site-nav a:hover{background:#f2f5f7;text-decoration:none}
.search{display:flex;gap:8px}
.search input{min-width:200px}

/* Breadcrumb */
.breadcrumb{background:#fff;border-bottom:1px solid var(--border)}
.breadcrumb .container{padding:8px 20px}
.breadcrumb a{color:#4b5563}.breadcrumb .sep{margin:0 6px;color:#9ca3af}

/* Hero */
.hero{background:#fff;border-bottom:1px solid var(--border);padding:40px 0}
.hero__inner{display:grid;grid-template-columns:1.1fr .9fr;gap:28px}
.hero .lede{color:#374151;margin:8px 0 0 0}
.hero__card{align-self:start;border:1px solid var(--border);border-radius:6px;background:#fafafa;padding:16px}
.featured{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.featured li{display:flex;gap:10px;align-items:flex-start}
.featured .dot{width:10px;height:10px;border-radius:50%;background:var(--accent);margin-top:8px}

/* Sections */
.section{padding:36px 0;background:#fff;border-bottom:1px solid var(--border)}
.section.alt{background:#f3f6f8}

/* Layout helpers */
.two{display:grid;gap:20px;grid-template-columns:1fr 1fr}

/* Cards */
.cards{display:grid;gap:16px}
.cards--3{grid-template-columns:repeat(3,1fr)}
.card{border:1px solid var(--border);border-radius:6px;background:#fff;overflow:hidden}
.card__media{height:140px;background:linear-gradient(135deg,#cfe7ea,#eff7f8)}
.card__body{padding:12px 14px}
.card__meta{font-size:12px;color:#6b7280;margin-bottom:6px}

/* Taglist */
.taglist{display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:10px 0 0 0;list-style:none}
.tag{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);background:#fff;color:#0f3d43;padding:6px 10px;border-radius:999px;font-size:13px}

/* Forms */
.controls{display:flex;flex-wrap:wrap;gap:8px}
.signup{border:1px solid var(--border);border-radius:6px;background:#fff;padding:16px}
.signup__form{display:flex;gap:8px}

/* Contact */
.contact{display:grid;gap:10px}
.contact>div{display:flex;justify-content:space-between;gap:12px;border-bottom:1px dashed var(--border);padding:8px 0}
.contact__form .row{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.form-actions{display:flex;align-items:center;justify-content:space-between;margin-top:10px}

/* Footer */
.site-footer{background:#0f172a;color:#cbd5e1;padding:20px 0}
.footer__inner{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.foot__nav a{color:#cbd5e1;margin-left:12px;text-decoration:none}
.foot__nav a:hover{text-decoration:underline}

/* Responsive */
@media (max-width: 960px){
  .header__inner{grid-template-columns:1fr;height:auto;padding:12px 0}
  .hero__inner{grid-template-columns:1fr}
  .two{grid-template-columns:1fr}
  .cards--3{grid-template-columns:1fr}
  .search input{min-width:0}
}