:root {
  /* Brand */
  --nd-navy: #071B45;
  --nd-ocean: #075BA5;
  --nd-cyan: #079DD0;
  --nd-teal: #16B8C4;
  --nd-charcoal: #2C3E50;

  --nd-gradient: linear-gradient(135deg, #071B45 0%, #075BA5 50%, #079DD0 100%);
  --nd-gradient-soft: linear-gradient(135deg, #075BA5 0%, #079DD0 55%, #16B8C4 100%);

  /* Light theme surfaces */
  --nd-bg: #ffffff;
  --nd-bg-alt: #f5f8fc;
  --nd-surface: #ffffff;
  --nd-surface-2: #f2f6fb;
  --nd-border: #dbe4ef;
  --nd-text: #0f1c2e;
  --nd-text-soft: #55647a;
  --nd-accent: #075BA5;
  --nd-accent-hover: #064a86;
  --nd-accent-soft: rgba(7, 91, 165, 0.08);
  --nd-ring: rgba(7, 157, 208, 0.35);

  /* Sizing / motion */
  --nd-radius: 16px;
  --nd-radius-lg: 28px;
  --nd-transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- 2. Dark theme overrides ---------- */
html.dark {
  --nd-bg: #050b16;
  --nd-bg-alt: #08111f;
  --nd-surface: #0b1524;
  --nd-surface-2: #101d31;
  --nd-border: #1c2c45;
  --nd-text: #e8eef7;
  --nd-text-soft: #93a4bd;
  --nd-accent: #079DD0;
  --nd-accent-hover: #16B8C4;
  --nd-accent-soft: rgba(7, 157, 208, 0.12);
  --nd-ring: rgba(22, 184, 196, 0.4);
  --nd-gradient: linear-gradient(135deg, #16B8C4 0%, #079DD0 45%, #075BA5 100%);
}

/* ---------- 3. Base ---------- */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background-color: var(--nd-bg);
  color: var(--nd-text);
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--nd-transition), color var(--nd-transition);
  margin: 0;
}

::selection {
  background: var(--nd-cyan);
  color: #fff;
}

/* Custom scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--nd-bg-alt); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--nd-ocean), var(--nd-cyan));
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover { background: var(--nd-teal); }

/* ---------- 4. Brand heading (gradient text) ---------- */
.brand-heading {
  background: var(--nd-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  letter-spacing: -0.015em;
  overflow:visible;
}

/* Solid heading fallback for subtitles / cards */
.section-heading {
  color: var(--nd-text);
  letter-spacing: -0.01em;
}

/* ---------- 5. Logo auto-blend (removes white background) ---------- */
.logo-auto-blend {
  mix-blend-mode: multiply;
  filter: contrast(1.05) saturate(1.1);
  transition: filter var(--nd-transition);
}
html.dark .logo-auto-blend {
  mix-blend-mode: screen;
  filter: brightness(1.15) contrast(1.05) saturate(1.15);
}

/* Wordmark text (used next to logo if PNG is only the icon) */
.wordmark {
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--nd-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* Small eyebrow label above headings */
.eyebrow {
  display: inline-block;
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--nd-accent);
  background: var(--nd-accent-soft);
  border: 1px solid rgba(7, 157, 208, 0.3);
  border-radius: 999px;
}

/* ---------- 6. Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--nd-bg) 92%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--nd-border);
  transition: background-color var(--nd-transition), border-color var(--nd-transition);
}

/* ---------- 7. Navigation links ---------- */
.nav-link {
  position: relative;
  color: var(--nd-text);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  transition: color var(--nd-transition);
}
.nav-link:hover { color: var(--nd-accent); }

.nav-link.active {
  color: var(--nd-accent);
  font-weight: 600;
}

/* Animated underline for desktop nav */
@media (min-width: 1024px) {
  .nav-link::after {
    content: "";
    position: absolute;
    left: 0; bottom: -6px;
    height: 2px;
    width: 0;
    background: var(--nd-gradient-soft);
    border-radius: 2px;
    transition: width var(--nd-transition);
  }
  .nav-link:hover::after,
  .nav-link.active::after { width: 100%; }
}

/* ---------- 8. Buttons ---------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--nd-gradient-soft);
  color: #ffffff;
  font-weight: 600;
  border: none;
  text-decoration: none;
  box-shadow: 0 6px 18px -6px rgba(7, 91, 165, 0.55);
  transition: transform var(--nd-transition), box-shadow var(--nd-transition), filter var(--nd-transition);
}
.btn-primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.07);
  box-shadow: 0 12px 26px -8px rgba(7, 157, 208, 0.65);
}
.btn-primary:active { transform: translateY(0); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--nd-accent);
  border: 1.5px solid var(--nd-accent);
  font-weight: 600;
  text-decoration: none;
  transition: background-color var(--nd-transition), color var(--nd-transition),
              border-color var(--nd-transition), transform var(--nd-transition);
}
.btn-outline:hover {
  background: var(--nd-accent);
  color: #ffffff;
  transform: translateY(-2px);
}

/* ---------- 9. Theme toggle button ---------- */
.theme-toggle {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  border: 1px solid var(--nd-border);
  background: var(--nd-surface-2);
  color: var(--nd-text);
  cursor: pointer;
  transition: background-color var(--nd-transition), border-color var(--nd-transition),
              color var(--nd-transition), transform var(--nd-transition);
}
.theme-toggle:hover {
  border-color: var(--nd-accent);
  color: var(--nd-accent);
  transform: rotate(12deg) scale(1.05);
}
.theme-toggle i { font-size: 1.05rem; }

/* ---------- 10. Mobile menu ---------- */
.mobile-menu {
  background: var(--nd-surface);
  border-top: 1px solid var(--nd-border);
  padding: 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  animation: nd-slide-down 0.25s ease-out;
}
.mobile-menu .nav-link { font-size: 1rem; }

@keyframes nd-slide-down {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- 11. Cards / stats / features ---------- */
.stat-card {
  background: var(--nd-surface);
  border: 1px solid var(--nd-border);
  border-radius: var(--nd-radius-lg);
  padding: 1.5rem 1.25rem;
  text-align: center;
  transition: transform var(--nd-transition), border-color var(--nd-transition),
              box-shadow var(--nd-transition);
}
.stat-card:hover {
  transform: translateY(-4px);
  border-color: var(--nd-cyan);
  box-shadow: 0 14px 32px -14px rgba(7, 157, 208, 0.45);
}
.stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--nd-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  margin: 0;
}
.stat-label {
  color: var(--nd-text-soft);
  font-size: 0.9rem;
  margin-top: 0.4rem;
}

.feature-card {
  background: var(--nd-surface);
  border: 1px solid var(--nd-border);
  border-radius: var(--nd-radius-lg);
  padding: 2rem 1.6rem;
  transition: transform var(--nd-transition), border-color var(--nd-transition),
              box-shadow var(--nd-transition), background-color var(--nd-transition);
}
.feature-card:hover {
  transform: translateY(-8px);
  border-color: var(--nd-cyan);
  box-shadow: 0 20px 44px -18px rgba(7, 91, 165, 0.5);
}
.feature-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: var(--nd-accent-soft);
  color: var(--nd-cyan);
  font-size: 1.4rem;
  margin-bottom: 1.4rem;
}
.feature-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--nd-text);
  margin: 0 0 0.6rem;
}
.feature-text {
  color: var(--nd-text-soft);
  line-height: 1.7;
  font-size: 0.95rem;
  margin: 0;
}

/* ---------- 12. CTA band ---------- */
.cta-band {
  background: var(--nd-gradient);
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 85% 15%, rgba(22, 184, 196, 0.35), transparent 60%);
  pointer-events: none;
}

/* ---------- 13. Footer ---------- */
.site-footer {
  background: var(--nd-bg-alt);
  border-top: 1px solid var(--nd-border);
  margin-top: 5rem;
  transition: background-color var(--nd-transition), border-color var(--nd-transition);
}
.footer-title {
  color: var(--nd-text);
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
}
.footer-link {
  color: var(--nd-text-soft);
  text-decoration: none;
  transition: color var(--nd-transition), padding-left var(--nd-transition);
}
.footer-link:hover {
  color: var(--nd-accent);
  padding-left: 4px;
}

/* ---------- 14. Forms (login / register / contact) ---------- */
.form-card {
  background: var(--nd-surface);
  border: 1px solid var(--nd-border);
  border-radius: 30px;
  padding: 2rem 1.75rem;
  box-shadow: 0 24px 60px -30px rgba(7, 27, 69, 0.35);
  transition: background-color var(--nd-transition), border-color var(--nd-transition);
}
.form-label {
  display: block;
  font-size: 0.85rem;
  color: var(--nd-text-soft);
  margin-bottom: 0.5rem;
  font-weight: 500;
}
.form-input {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: 14px;
  background: var(--nd-surface-2);
  border: 1px solid var(--nd-border);
  color: var(--nd-text);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--nd-transition), box-shadow var(--nd-transition),
              background-color var(--nd-transition);
}
.form-input::placeholder { color: var(--nd-text-soft); opacity: 0.7; }
.form-input:focus {
  border-color: var(--nd-cyan);
  box-shadow: 0 0 0 3px var(--nd-ring);
  background: var(--nd-surface);
}

/* Auth split screen gradient panel */
.auth-panel {
  background: linear-gradient(135deg, #071B45 0%, #075BA5 55%, #079DD0 100%);
  position: relative;
  overflow: hidden;
}
.auth-panel::after {
  content: "";
  position: absolute;
  top: -120px; right: -120px;
  width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(22, 184, 196, 0.45), transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}

/* ---------- 15. Utilities ---------- */
.text-soft { color: var(--nd-text-soft); }

.divider {
  height: 1px;
  background: var(--nd-border);
  border: none;
  margin: 3rem 0;
}

/* WhatsApp ping fix for dark mode */
@keyframes nd-ping {
  75%, 100% { transform: scale(1.9); opacity: 0; }
}

/* ---------- 16. Accessibility ---------- */
:focus-visible {
  outline: 2px solid var(--nd-cyan);
  outline-offset: 2px;
  border-radius: 6px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

    /* ================= LEADERSHIP ENHANCEMENTS ================= */

    /* Card hover lift + accent glow */
    .leader-card {
      position: relative;
      transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
                  border-color 0.35s,
                  box-shadow 0.35s;
      overflow: hidden;
    }
    .leader-card::before {
      content: "";
      position: absolute;
      top: -60%; right: -60%;
      width: 260px; height: 260px;
      background: radial-gradient(circle, var(--nd-accent-soft), transparent 70%);
      border-radius: 50%;
      opacity: 0;
      transition: opacity 0.5s ease;
      pointer-events: none;
    }
    .leader-card:hover {
      transform: translateY(-4px);
      border-color: var(--nd-cyan);
      box-shadow: 0 24px 48px -22px rgba(7, 91, 165, 0.4);
    }
    .leader-card:hover::before { opacity: 1; }

    /* Avatar wrap + gradient ring */
    .leader-avatar-wrap { position: relative; }
    .leader-avatar {
      position: relative;
      background: linear-gradient(135deg, #071B45, #075BA5, #079DD0);
      transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .leader-avatar::after {
      content: "";
      position: absolute;
      inset: 0;
      border-radius: inherit;
      padding: 2px;
      background: linear-gradient(135deg, #079DD0, #16B8C4);
      -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
      -webkit-mask-composite: xor;
              mask-composite: exclude;
      opacity: 0;
      transition: opacity 0.35s ease;
      pointer-events: none;
    }
    .leader-card:hover .leader-avatar { transform: scale(1.015); }
    .leader-card:hover .leader-avatar::after { opacity: 1; }

    /* Department badge (floating on avatar) */
    .leader-dept-badge {
      position: absolute;
      top: 0.85rem;
      left: 0.85rem;
      z-index: 2;
      padding: 0.3rem 0.75rem;
      font-size: 0.68rem;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: #fff;
      background: rgba(7, 27, 69, 0.78);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      border: 1px solid rgba(255,255,255,0.22);
      border-radius: 999px;
    }

    /* Role pill above name */
    .leader-role-pill {
      display: inline-block;
      padding: 0.3rem 0.75rem;
      font-size: 0.7rem;
      font-weight: 700;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      color: var(--nd-accent);
      background: var(--nd-accent-soft);
      border: 1px solid rgba(7, 157, 208, 0.28);
      border-radius: 999px;
    }

    /* Focus-area tags */
    .leader-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
      margin-top: 1.4rem;
    }
    .leader-tag {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      padding: 0.35rem 0.75rem;
      font-size: 0.75rem;
      font-weight: 500;
      color: var(--nd-text-soft);
      background: var(--nd-surface-2);
      border: 1px solid var(--nd-border);
      border-radius: 10px;
      transition: color 0.2s, border-color 0.2s, background-color 0.2s;
    }
    .leader-tag i {
      font-size: 0.7rem;
      color: var(--nd-cyan);
    }
    .leader-card:hover .leader-tag {
      border-color: rgba(7, 157, 208, 0.25);
    }
    .leader-tag:hover {
      color: var(--nd-accent);
      border-color: var(--nd-accent);
    }

    /* Social buttons — refined */
    .leader-social {
      width: 42px;
      height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      border: 1px solid var(--nd-border);
      color: var(--nd-text-soft);
      background: var(--nd-surface);
      font-size: 0.95rem;
      transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .leader-social:hover {
      color: #fff;
      background: linear-gradient(135deg, #075BA5, #079DD0);
      border-color: transparent;
      transform: translateY(-2px);
      box-shadow: 0 8px 20px -8px rgba(7, 157, 208, 0.6);
    }

    /* Body reveal on scroll-ish (subtle fade-in) */
    .leader-body > * {
      opacity: 0;
      animation: leaderFade 0.6s ease forwards;
    }
    .leader-body > *:nth-child(1) { animation-delay: 0.05s; }
    .leader-body > *:nth-child(2) { animation-delay: 0.10s; }
    .leader-body > *:nth-child(3) { animation-delay: 0.15s; }
    .leader-body > *:nth-child(4) { animation-delay: 0.20s; }
    .leader-body > *:nth-child(5) { animation-delay: 0.25s; }
    .leader-body > *:nth-child(6) { animation-delay: 0.30s; }

    @keyframes leaderFade {
      from { opacity: 0; transform: translateY(6px); }
      to   { opacity: 1; transform: translateY(0); }
    }

    @media (prefers-reduced-motion: reduce) {
      .leader-card,
      .leader-avatar,
      .leader-body > * {
        transition: none !important;
        animation: none !important;
      }
    }