/* ============================================
   DCperf 2024 — Clean, structured, professional
   Compact layout with clear visual hierarchy
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  --bg:         #ffffff;
  --bg-alt:     #f5f7fa;
  --navy:       #0c1929;
  --slate-100:  #f1f4f8;
  --slate-200:  #e2e6ed;
  --slate-300:  #c9cfd9;
  --slate-400:  #9ca3af;
  --slate-500:  #6b7280;
  --slate-600:  #4b5563;
  --slate-700:  #374151;
  --cyan:       #0891b2;
  --cyan-light: #ecfeff;
  --cyan-dark:  #0e7490;
  --border:     #e2e6ed;
  --shadow-sm:  0 1px 2px rgba(12,25,41,0.04);
  --shadow-md:  0 2px 8px rgba(12,25,41,0.06);
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-sans:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-sans);
  color: var(--slate-700);
  background: var(--bg);
  line-height: 1.6;
}
a { color: var(--cyan); transition: color 0.15s; }
a:hover { color: var(--cyan-dark); }
::selection { background: var(--cyan-light); color: var(--navy); }

.container { max-width: 1060px; margin: 0 auto; padding: 0 24px; }

/* ============================================
   HEADER — thin, clean
   ============================================ */
.site-hdr {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
}
.hdr-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 56px;
}
.logo {
  font-family: var(--font-display); font-weight: 700; font-size: 1rem;
  color: var(--navy); display: flex; align-items: center; gap: 6px;
}
.logo .accent { color: var(--cyan); }

.nav { display: flex; gap: 2px; }
.nav a {
  color: var(--slate-400); padding: 6px 14px; border-radius: 6px;
  font-size: 0.8rem; font-weight: 500; transition: all 0.15s;
}
.nav a:hover { color: var(--slate-600); background: var(--slate-100); }
.nav a.active { color: var(--cyan); background: var(--cyan-light); }

.menu-btn { display: none; background: none; border: 1px solid var(--border); color: var(--slate-400); padding: 6px 12px; border-radius: 6px; cursor: pointer; }

/* ============================================
   HERO BAR — compact like a page header
   ============================================ */
.hero-bar {
  background: var(--navy);
  padding: 36px 0 28px;
}
.hero-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.hero-bar h1 {
  font-family: var(--font-display); font-weight: 700;
  font-size: 1.8rem; color: white; line-height: 1.15;
}
.hero-bar h1 .hl { color: var(--cyan); }
.hero-bar .sub {
  font-size: 0.82rem; color: rgba(255,255,255,0.5);
  margin-top: 4px;
}
.hero-bar .badge {
  flex-shrink: 0;
  background: rgba(8,145,178,0.15);
  border: 1px solid rgba(8,145,178,0.3);
  padding: 6px 18px; border-radius: 100px;
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--cyan);
}

/* ============================================
   WINNER STRIP
   ============================================ */
.winner-strip {
  background: var(--slate-100);
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}
.winner-strip .container {
  display: flex;
  align-items: center;
  gap: 20px;
}
.winner-strip .icon {
  width: 40px; height: 40px;
  background: var(--cyan); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; color: white; flex-shrink: 0;
}
.winner-strip .text {
  font-size: 0.9rem; color: var(--slate-600); line-height: 1.6;
}
.winner-strip .text strong { color: var(--navy); }
.winner-strip .text em { color: var(--cyan); }

/* ============================================
   MAIN LAYOUT
   ============================================ */
.page-main { padding: 32px 0; }

.section-title {
  font-family: var(--font-display); font-weight: 600;
  font-size: 1.1rem; color: var(--navy);
  margin-bottom: 14px; padding-bottom: 8px;
  border-bottom: 2px solid var(--border);
}

/* ============================================
   TWO COLUMN
   ============================================ */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
}
.card h3 {
  font-family: var(--font-display); font-weight: 600;
  font-size: 0.95rem; color: var(--navy);
  margin-bottom: 8px; line-height: 1.35;
}
.card p {
  font-size: 0.85rem; color: var(--slate-500);
  line-height: 1.65; margin-bottom: 6px;
}
.card p:last-child { margin-bottom: 0; }
.card p strong { color: var(--slate-700); }
.card ul { margin: 0; list-style: none; }
.card li {
  padding: 5px 0; border-bottom: 1px solid var(--slate-100);
  font-size: 0.84rem; color: var(--slate-600); line-height: 1.5;
  display: flex; gap: 8px;
}
.card li:last-child { border-bottom: none; }
.card li .lbl { color: var(--slate-400); flex-shrink: 0; min-width: 100px; font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.04em; }

.card .tag {
  display: inline-block;
  background: var(--cyan-light); color: var(--cyan);
  padding: 2px 10px; border-radius: 100px;
  font-size: 0.62rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; margin-bottom: 8px;
}
.card .btn {
  display: inline-block; margin-top: 8px;
  border: 1px solid var(--cyan); color: var(--cyan);
  padding: 6px 18px; border-radius: 6px;
  font-size: 0.8rem; font-weight: 500; transition: all 0.15s;
}
.card .btn:hover { background: var(--cyan); color: white; }

/* Full-width card */
.card-full {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  background: var(--bg);
  margin-bottom: 0;
}
.card-full h3 {
  font-family: var(--font-display); font-weight: 600;
  font-size: 0.95rem; color: var(--navy); margin-bottom: 8px;
}
.card-full p {
  font-size: 0.85rem; color: var(--slate-500);
  line-height: 1.65; margin-bottom: 6px;
}
.card-full p:last-child { margin-bottom: 0; }
.card-full p strong { color: var(--slate-700); }

/* ============================================
   FULL WIDTH (scope, about, icdcs page layout)
   ============================================ */
.page-section { padding: 32px 0; }
.page-section h1 {
  font-family: var(--font-display); font-weight: 700;
  font-size: 1.6rem; color: var(--navy); margin-bottom: 6px;
}
.page-section .lead {
  font-size: 0.92rem; color: var(--slate-500);
  max-width: 680px; line-height: 1.7; margin-bottom: 24px;
}
.page-section h2 {
  font-family: var(--font-display); font-weight: 600;
  font-size: 1.05rem; color: var(--navy);
  margin: 24px 0 8px;
}
.page-section p {
  font-size: 0.88rem; color: var(--slate-600);
  line-height: 1.75; margin-bottom: 10px;
}
.page-section ul, .page-section ol {
  margin: 0 0 10px 18px; font-size: 0.88rem; color: var(--slate-600);
}
.page-section li { margin-bottom: 4px; line-height: 1.65; }

.breadcrumb {
  font-size: 0.78rem; color: var(--slate-400);
  margin-bottom: 10px; display: flex; gap: 6px;
}
.breadcrumb a { color: var(--slate-400); }
.breadcrumb a:hover { color: var(--cyan); }

/* ============================================
   3-COLUMN FEATURE ROW
   ============================================ */
.grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  margin-bottom: 28px;
}
.feat-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  text-align: center;
}
.feat-card .num {
  font-family: var(--font-display); font-weight: 700;
  font-size: 1.3rem; color: var(--cyan); margin-bottom: 2px;
}
.feat-card .lbl {
  font-size: 0.72rem; color: var(--slate-400); text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ============================================
   FOOTER
   ============================================ */
.site-ftr {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  text-align: center;
  margin-top: 32px;
}
.site-ftr p { font-size: 0.76rem; color: var(--slate-400); margin-bottom: 2px; }
.site-ftr strong { color: var(--slate-500); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 800px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .hero-bar .container { flex-direction: column; align-items: flex-start; }
  .winner-strip .container { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 700px) {
  .menu-btn { display: block; }
  .nav { display: none; position: absolute; top: 56px; left: 0; right: 0;
    background: white; flex-direction: column; padding: 12px;
    border-bottom: 1px solid var(--border); }
  .nav.open { display: flex; }
}