/* ── RESET & BASE ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue:       #1a4f8a;
  --blue-dark:  #0f3260;
  --blue-light: #2d6cc0;
  --accent:     #e8820c;
  --accent-light: #fdf3e7;
  --gray-100:   #f7f8fa;
  --gray-200:   #eef0f4;
  --gray-400:   #9aa3b2;
  --gray-700:   #3d4759;
  --gray-900:   #1a202c;
  --white:      #ffffff;
  --radius:     10px;
  --shadow:     0 2px 12px rgba(0,0,0,0.08);
  --shadow-lg:  0 6px 30px rgba(0,0,0,0.13);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--gray-700);
  background: var(--white);
}

a { color: var(--blue-light); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── HERO ───────────────────────────────────────────────────────────── */
.hero-logo-band {
  background: var(--white);
  padding: 20px 0;
  text-align: center;
}

.page-header {
  background: var(--white);
  padding: 20px 24px 24px;
  text-align: center;
  border-bottom: 1px solid var(--gray-200);
}

.hero-logo {
  height: 6rem;
  display: block;
  margin: 0 auto 16px;
}

.page-header h1 {
  font-size: clamp(1.4rem, 3.5vw, 2.2rem);
  font-weight: 800;
  color: var(--blue-dark);
  line-height: 1.2;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.title-rule {
  width: 52px;
  height: 3px;
  background: var(--blue);
  border-radius: 2px;
  margin: 0 auto 28px;
}

.hero {
  background: linear-gradient(160deg, #0c2347 0%, #1a4f8a 60%, #1e5fa0 100%);
  color: var(--white);
  padding: 36px 0 40px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(1.4rem, 3.5vw, 2.2rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.hero h1::after {
  content: '';
  display: block;
  width: 52px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin: 10px auto 0;
}

.subtitle {
  font-size: 1.15rem;
  opacity: 0.85;
  margin-bottom: 36px;
}

.hero-desc {
  font-size: 1rem;
  opacity: 0.82;
  max-width: 640px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-bottom: 20px;
}

.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: var(--white);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 13px 32px;
  border-radius: var(--radius);
  transition: background 0.2s, transform 0.15s;
}
.btn-primary:hover {
  background: #c96f08;
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-block;
  background: var(--blue);
  color: var(--white);
  font-weight: 700;
  font-size: 0.92rem;
  padding: 11px 26px;
  border-radius: var(--radius);
  transition: background 0.2s;
}
.btn-secondary:hover { background: var(--blue-dark); text-decoration: none; }

.btn-outline {
  display: inline-block;
  background: transparent;
  color: var(--white);
  font-weight: 700;
  font-size: 0.92rem;
  padding: 11px 26px;
  border-radius: var(--radius);
  border: 2px solid rgba(255,255,255,0.6);
  transition: background 0.2s, border-color 0.2s;
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
  text-decoration: none;
}

.hero-contact {
  margin-top: 12px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.85);
}
.hero-contact a {
  color: var(--white);
  text-decoration: underline;
}
.hero-contact a:hover {
  color: var(--accent-light, #ffd199);
}

/* ── STICKY NAV ─────────────────────────────────────────────────────── */
.sticky-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.nav-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  overflow-x: auto;
}

.sticky-nav a {
  display: inline-block;
  padding: 14px 18px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--gray-700);
  white-space: nowrap;
  border-bottom: 3px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.sticky-nav a:hover,
.sticky-nav a.active {
  color: var(--blue);
  border-bottom-color: var(--blue);
  text-decoration: none;
}

/* ── SECTIONS ───────────────────────────────────────────────────────── */
.section {
  padding: 40px 0;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--blue-dark);
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 12px;
}
.section-title::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 48px; height: 4px;
  background: var(--accent);
  border-radius: 2px;
}

.section-intro {
  color: var(--gray-700);
  margin-bottom: 32px;
  max-width: 720px;
}

.section p { margin-bottom: 16px; }

/* ── HIGHLIGHT CARDS ─────────────────────────────────────────────────── */
.highlights-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 20px;
  margin: 32px 0;
}

.highlight-card {
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  transition: box-shadow 0.2s, transform 0.15s;
}
.highlight-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.highlight-icon { font-size: 2rem; margin-bottom: 10px; }
.highlight-card h3 { font-size: 1rem; color: var(--blue-dark); margin-bottom: 8px; }
.highlight-card p  { font-size: 0.88rem; color: var(--gray-700); margin: 0; }

/* ── INVOLVEMENT CARDS ───────────────────────────────────────────────── */
.involvement-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin: 32px 0;
}

.involvement-card {
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.involvement-card:hover {
  border-color: var(--blue-light);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.involvement-card-icon { font-size: 2.2rem; }
.involvement-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--blue-dark);
}
.involvement-card p {
  font-size: 0.88rem;
  color: var(--gray-700);
  margin: 0;
  flex: 1;
}
.involvement-card .card-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--blue-light);
}
.involvement-card .card-link:hover { text-decoration: underline; }

/* ── BOX ─────────────────────────────────────────────────────────────── */
.box {
  background: var(--gray-100);
  border-left: 4px solid var(--blue);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 20px 24px;
  margin-top: 24px;
}
.box h3 { font-size: 1rem; color: var(--blue-dark); margin-bottom: 10px; }
.box ul  { padding-left: 20px; }
.box ul li { margin-bottom: 4px; font-size: 0.92rem; }

/* ── STEP LIST ───────────────────────────────────────────────────────── */
.steps-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 24px 0;
}

.step-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.step-number {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.88rem;
  font-weight: 700;
  margin-top: 2px;
}

.step-content h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--blue-dark);
  margin-bottom: 4px;
}
.step-content p {
  font-size: 0.88rem;
  color: var(--gray-700);
  margin: 0;
}

/* ── PEOPLE GRID ─────────────────────────────────────────────────────── */
.people-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 20px;
  margin-top: 28px;
}

.person-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s, transform 0.15s;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.person-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }

.person-photo-wrap {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 14px;
  border: 3px solid var(--gray-200);
  flex-shrink: 0;
}
.person-photo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.person-card h3 { font-size: 1.05rem; color: var(--blue-dark); margin-bottom: 4px; }
.person-affiliation { font-size: 0.83rem; color: var(--blue-light); font-weight: 600; margin-bottom: 6px; }
.person-role { font-size: 0.8rem; color: var(--gray-400); font-weight: 500; }
.person-bio { font-size: 0.87rem; color: var(--gray-700); margin: 0; }

/* ── STATS BAND ──────────────────────────────────────────────────────── */
.stats-band {
  background: var(--blue-dark);
  color: var(--white);
  padding: 40px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 24px;
  text-align: center;
}

.stat-item .stat-number {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-item .stat-label {
  font-size: 0.88rem;
  opacity: 0.75;
}

/* ── WORKING GROUP CARDS ────────────────────────────────────────────── */
.wg-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 16px 0 0;
}

.wg-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 20px 16px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: box-shadow 0.2s, transform 0.15s;
}
.wg-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.wg-card-icon { font-size: 1.6rem; }

.wg-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--blue-dark);
}

.wg-card p {
  font-size: 0.82rem;
  color: var(--gray-700);
  margin: 0;
  flex: 1;
}

.btn-wg {
  display: inline-block;
  background: linear-gradient(135deg, var(--blue-light) 0%, var(--blue-dark) 100%);
  color: var(--white);
  font-weight: 700;
  font-size: 0.82rem;
  padding: 9px 16px;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: 0 3px 10px rgba(26, 79, 138, 0.35);
  transition: background 0.2s;
  align-self: center;
  width: 100%;
}
.btn-wg:hover {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  text-decoration: none;
}

.wg-card-note {
  font-size: 0.82rem;
  color: var(--gray-400);
  margin: 0 !important;
}
.wg-card-note a {
  color: var(--blue-light);
}

/* ── CTA BAND ────────────────────────────────────────────────────────── */
.cta-band {
  background: var(--accent-light);
  border-top: 1px solid #f5dbb8;
  border-bottom: 1px solid #f5dbb8;
  padding: 40px 0;
  text-align: center;
}

.cta-band h2 {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--blue-dark);
  margin-bottom: 10px;
}
.cta-band p {
  color: var(--gray-700);
  max-width: 580px;
  margin: 0 auto 24px;
}
.cta-band .cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

/* ── FOOTER ──────────────────────────────────────────────────────────── */
.footer {
  background: var(--white);
  color: var(--gray-700);
  padding: 12px 0;
  font-size: 0.88rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.footer strong { color: var(--blue-dark); display: block; margin-bottom: 4px; }
.footer a { color: var(--blue-light); }
.footer a:hover { color: var(--blue-dark); }
.footer-links { display: flex; gap: 20px; }

.btn-jump-top {
  display: inline-block;
  background: var(--accent);
  color: var(--white);
  border: none;
  border-radius: var(--radius);
  padding: 12px 32px;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s;
}
.btn-jump-top:hover { background: #c96f08; text-decoration: none; transform: translateY(-1px); }

/* ── RESPONSIVE ──────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .wg-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
  .involvement-grid {
    grid-template-columns: 1fr;
  }
  .wg-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .people-grid { grid-template-columns: 1fr; }
  .stats-grid  { grid-template-columns: repeat(2, 1fr); }
}