/* DOCSA light theme aligned to logo colors */
:root{
  --bg: #ffffff;
  --panel: #f8fafc;
  --text: #111827;
  --muted: #4b5563;
  --border: #e5e7eb;

  /* SA flag inspired palette */
  --brand-black: #0b0b0b;
  --brand-red: #de1f26;
  --brand-blue: #0057b8;
  --brand-green: #007a4d;
  --brand-gold: #ffb81c;

  --link: #0057b8;
  --focus: #ffb81c;
}

*{box-sizing:border-box}
html{
  scroll-behavior: smooth; /* smooth scroll for in-page movements */
}
html,body{
  margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:Inter, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, 'Helvetica Neue', Arial, 'Noto Sans', 'Liberation Sans', sans-serif;
  line-height:1.6
}

a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
a:focus,button:focus,input:focus,select:focus,textarea:focus{outline:3px solid var(--focus);outline-offset:2px}

.container{max-width:1100px;margin:0 auto;padding:0 16px}

.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:saturate(130%) blur(6px);border-bottom:1px solid var(--border)}

.nav{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:20px 0;gap:16px;height:auto
}
.brand{display:flex;align-items:center;justify-content:center}
.brand img{height:90px;width:auto;display:block}

.nav-links{display:flex;gap:20px;align-items:center}
.nav a{padding:8px 12px;border-radius:10px;color:var(--text);font-weight:500}
.nav a.active, .nav a:hover{background:#eef2ff}
.menu-btn{display:none;background:none;border:none;color:var(--text);font-size:1.4rem}

@media (max-width:800px){
  .nav-links{display:none;position:absolute;top:140px;left:0;right:0;background:var(--panel);flex-direction:column;padding:12px;border-bottom:1px solid var(--border)}
  .nav-links.open{display:flex}
  .menu-btn{display:block}
}

.hero{padding:72px 0;border-bottom:1px solid var(--border);
  background: radial-gradient(600px 200px at 20% 0%, rgba(0,87,184,.07), transparent),
              radial-gradient(600px 200px at 80% 0%, rgba(0,122,77,.07), transparent)}
.hero h1{font-size:2.4rem;margin:12px 0;color:var(--brand-black)}
.hero-lead{color:var(--muted);max-width:720px;margin:0 auto}
.hero-logo{text-align:center;margin-bottom:16px}
.hero-logo img{max-width:320px;width:100%;height:auto;display:inline-block;border-radius:8px}
@media (max-width:600px){.hero-logo img{max-width:220px}}

.cta{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap;justify-content:center}
.button{display:inline-block;padding:12px 16px;border-radius:12px;border:1px solid var(--brand-black);background:var(--brand-gold);color:#1f2937;font-weight:800}
.button.secondary{background:transparent;color:var(--text);border-color:var(--border)}

.section{padding:44px 0;border-bottom:1px solid var(--border);background:var(--bg)}
.grid{display:grid;gap:16px;grid-template-columns:repeat(3,1fr)}
.card{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:20px}
.card h3{margin:0 0 8px;color:var(--brand-black)}
@media (max-width:900px){.grid{grid-template-columns:1fr}}
footer{padding:28px 0;color:#6b7280}

.table{width:100%;border-collapse:collapse}
.table th,.table td{border-bottom:1px solid var(--border);padding:10px;text-align:left}
.badge{display:inline-block;padding:4px 8px;border:1px solid var(--border);border-radius:9999px;background:#ffffff;color:#111827;font-size:.8rem}
.notice{padding:12px;border:1px dashed var(--border);border-radius:12px;background:#fff9ec;color:#1f2937}

/* Constitution block + collapsible */
.constitution-text{
  background:var(--panel);
  padding:20px;border-radius:12px;border:1px solid var(--border);
  line-height:1.7
}
.constitution-text h3{color:var(--brand-black);font-size:1.4rem;margin:0 0 12px}
.constitution-text h4{margin-top:18px;color:var(--brand-black)}
.constitution-text p{margin-bottom:16px;color:var(--text)}

.collapsible-content{
  max-height:0;overflow:hidden;transition:max-height .4s ease, padding .3s ease
}
.collapsible-content.open{
  max-height:4000px;padding-top:12px
}
.read-more-btn{
  display:inline-block;margin-top:16px;background:var(--brand-blue);color:#fff;
  padding:10px 16px;border:none;border-radius:8px;cursor:pointer;font-size:1rem;font-weight:bold
}
.read-more-btn:hover{background:var(--brand-green)}

/* ——— DOCSA Constitution accordion styling ——— */
#constitution .preamble {
  margin: 0 0 1rem 0;
  line-height: 1.7;
}

.accordion details {
  position: relative;
  margin: 0 0 12px 0;
  border: 1px solid var(--border, #e5e7eb);
  border-radius: 12px;
  background: var(--panel, #fff);
  box-shadow: 0 1px 0 rgba(0,0,0,0.02);
  overflow: hidden;
}

/* Left accent bar to mimic prior section styling */
.accordion details::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--accent, #2563eb);
  opacity: .9;
}

/* Title row */
.accordion summary {
  list-style: none; /* hide default marker */
  cursor: pointer;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text, #111827);
  padding: 14px 48px 14px 16px;
  outline: none;
  display: flex;
  align-items: center;
  transition: background-color .15s ease, color .15s ease;
}

.accordion summary::-webkit-details-marker { display: none; }

.accordion summary:hover {
  background: var(--bg-soft, #f9fafb);
}

/* Divider when open */
.accordion details[open] summary {
  background: var(--bg-soft, #f9fafb);
  border-bottom: 1px solid var(--border, #e5e7eb);
}

/* Chevron indicator (rotates on open) */
.accordion summary::after {
  content: "";
  position: absolute;
  right: 16px;
  width: 8px; height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-1px) rotate(-45deg);
  transition: transform .2s ease;
}
.accordion details[open] summary::after {
  transform: translateY(2px) rotate(45deg);
}

/* Body content */
.accordion .details-body {
  padding: 16px;
  color: var(--muted, #374151);
  line-height: 1.65;
}
.accordion .details-body > *:first-child { margin-top: 0; }
.accordion .details-body > *:last-child  { margin-bottom: 0; }
.accordion .details-body ul {
  margin: .25rem 0 .25rem 1.25rem;
}

/* Focus ring for keyboard users */
.accordion summary:focus-visible {
  box-shadow: inset 0 0 0 2px var(--accent, #2563eb);
}

/* Highlight targeted section when linked (e.g., about.html#our-vision) */
.accordion details:target {
  box-shadow: 0 0 0 2px rgba(37,99,235,.35);
}