/* National Networks — brand stylesheet
   Built on Bootstrap 5.3. Tokens below override / extend Bootstrap defaults. */

:root {
  --nn-teal: #0F4C5C;
  --nn-teal-dark: #0a3744;
  --nn-teal-tint: #e6eff1;
  --nn-coral: #E76F51;
  --nn-coral-dark: #c2563b;
  --nn-ink: #0e1a1d;
  --nn-muted: #5b6a70;
  --nn-line: #e4e7e9;
  --nn-bg-soft: #f7f8f9;

  --bs-primary: var(--nn-teal);
  --bs-primary-rgb: 15, 76, 92;
  --bs-body-color: var(--nn-ink);
  --bs-body-font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--bs-body-font-family);
  color: var(--nn-ink);
  -webkit-font-smoothing: antialiased;
  background: #fff;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--bs-body-font-family);
  letter-spacing: -0.01em;
  color: var(--nn-ink);
}
h1 { font-weight: 700; letter-spacing: -0.025em; }
h2 { font-weight: 700; letter-spacing: -0.02em; }
h3 { font-weight: 600; }
.lead { color: var(--nn-muted); font-weight: 400; }
.text-muted { color: var(--nn-muted) !important; }

/* Buttons */
.btn-primary {
  --bs-btn-bg: var(--nn-teal);
  --bs-btn-border-color: var(--nn-teal);
  --bs-btn-hover-bg: var(--nn-teal-dark);
  --bs-btn-hover-border-color: var(--nn-teal-dark);
  --bs-btn-active-bg: var(--nn-teal-dark);
  --bs-btn-active-border-color: var(--nn-teal-dark);
  --bs-btn-focus-shadow-rgb: 15, 76, 92;
  font-weight: 500;
}
.btn-accent {
  background: var(--nn-coral);
  border: 1px solid var(--nn-coral);
  color: #fff;
  font-weight: 500;
}
.btn-accent:hover { background: var(--nn-coral-dark); border-color: var(--nn-coral-dark); color: #fff; }
.btn-outline-primary {
  --bs-btn-color: var(--nn-teal);
  --bs-btn-border-color: var(--nn-teal);
  --bs-btn-hover-bg: var(--nn-teal);
  --bs-btn-hover-border-color: var(--nn-teal);
  --bs-btn-active-bg: var(--nn-teal);
  font-weight: 500;
}
.btn { border-radius: 8px; padding: 0.625rem 1.125rem; }
.btn-lg { padding: 0.85rem 1.5rem; font-size: 1rem; }

/* Navbar */
.nn-navbar {
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--nn-line);
}
.nn-navbar .navbar-brand {
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--nn-teal);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.nn-logo-mark {
  width: 28px; height: 28px; border-radius: 6px;
  background: linear-gradient(135deg, var(--nn-teal) 0%, var(--nn-teal-dark) 100%);
  position: relative;
  display: inline-block;
}
.nn-logo-mark::after {
  content: ""; position: absolute; inset: 6px;
  border: 2px solid #fff; border-radius: 3px;
  border-right-color: var(--nn-coral); border-bottom-color: var(--nn-coral);
}
.nn-navbar .nav-link {
  color: var(--nn-ink);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0.9rem !important;
}
.nn-navbar .nav-link:hover { color: var(--nn-teal); }
.nn-navbar .nav-link.active { color: var(--nn-teal); }

/* Hero */
.nn-hero {
  background: radial-gradient(1100px 600px at 85% -10%, rgba(231,111,81,0.10), transparent 60%),
              radial-gradient(900px 500px at 0% 0%, rgba(15,76,92,0.08), transparent 55%),
              #fff;
  padding: 6rem 0 5rem;
  border-bottom: 1px solid var(--nn-line);
}
.nn-hero h1 {
  font-size: clamp(2.25rem, 4vw + 1rem, 3.75rem);
  line-height: 1.05;
}
.nn-hero .lead { font-size: 1.15rem; max-width: 38rem; }

/* Page header (for non-home pages) */
.nn-pageheader {
  background: linear-gradient(180deg, var(--nn-teal-tint), #fff);
  padding: 4.5rem 0 3rem;
  border-bottom: 1px solid var(--nn-line);
}
.nn-pageheader .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--nn-teal);
}
.nn-pageheader h1 {
  font-size: clamp(2rem, 3vw + 1rem, 3rem);
  margin-top: 0.75rem;
}
.nn-pageheader .lead { max-width: 42rem; }

/* Logo strip */
.nn-logostrip {
  border-block: 1px solid var(--nn-line);
  background: #fff;
  padding: 2.25rem 0;
}
.nn-logostrip .nn-clientlogo {
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--nn-muted);
  opacity: 0.85;
  font-size: 1.05rem;
  text-align: center;
  padding: 0.4rem 0;
  font-feature-settings: "ss01";
}

/* Value props */
.nn-valuecard {
  border: 1px solid var(--nn-line);
  border-radius: 14px;
  padding: 1.75rem;
  height: 100%;
  background: #fff;
  transition: box-shadow .15s ease, transform .15s ease;
}
.nn-valuecard:hover { box-shadow: 0 12px 30px rgba(15,76,92,0.08); transform: translateY(-2px); }
.nn-valuecard .nn-icon {
  width: 44px; height: 44px; border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--nn-teal-tint); color: var(--nn-teal);
  font-size: 1.25rem; margin-bottom: 1rem;
}
.nn-valuecard h3 { font-size: 1.15rem; margin-bottom: 0.5rem; }
.nn-valuecard p { color: var(--nn-muted); margin: 0; }

/* Stats band */
.nn-stats {
  background: var(--nn-teal);
  color: #fff;
  padding: 3rem 0;
}
.nn-stats .stat-num {
  font-size: clamp(1.75rem, 1.5vw + 1rem, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.nn-stats .stat-label {
  color: rgba(255,255,255,0.78);
  font-size: 0.9rem;
}
.nn-stats .divider { background: rgba(255,255,255,0.12); width: 1px; }

/* Quote */
.nn-quote {
  padding: 5rem 0;
  background: var(--nn-bg-soft);
}
.nn-quote blockquote {
  font-size: clamp(1.25rem, 1.5vw + 0.8rem, 1.75rem);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.01em;
  margin: 0;
}
.nn-quote cite {
  display: block;
  margin-top: 1.5rem;
  color: var(--nn-muted);
  font-style: normal;
  font-size: 0.95rem;
}

/* Service / industry cards */
.nn-card {
  border: 1px solid var(--nn-line);
  border-radius: 14px;
  padding: 2rem;
  height: 100%;
  background: #fff;
  transition: box-shadow .15s ease, transform .15s ease;
}
.nn-card:hover { box-shadow: 0 12px 30px rgba(15,76,92,0.08); transform: translateY(-2px); }
.nn-card h3 { font-size: 1.2rem; margin-bottom: 0.5rem; }
.nn-card .nn-card-summary { color: var(--nn-muted); margin-bottom: 1.25rem; }
.nn-card ul { padding-left: 1.1rem; margin: 0; color: var(--nn-ink); }
.nn-card ul li { margin-bottom: 0.4rem; }
.nn-card .nn-card-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--nn-coral); color: #fff;
  font-size: 0.85rem; font-weight: 600; margin-bottom: 0.9rem;
}

/* Approach steps */
.nn-step {
  border-left: 3px solid var(--nn-coral);
  padding: 0.25rem 0 1.5rem 1.5rem;
  position: relative;
}
.nn-step + .nn-step { margin-top: 0.5rem; }
.nn-step .nn-step-num {
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--nn-coral);
}
.nn-step h3 { font-size: 1.2rem; margin: 0.25rem 0 0.5rem; }
.nn-step p { color: var(--nn-muted); margin: 0; }

.nn-sidebar {
  background: var(--nn-teal);
  color: #fff;
  border-radius: 16px;
  padding: 2rem;
}
.nn-sidebar h3 { color: #fff; font-size: 1.15rem; margin-bottom: 0.75rem; }
.nn-sidebar p { color: rgba(255,255,255,0.85); margin: 0 0 0.75rem; }
.nn-sidebar .nn-pill {
  display: inline-block; background: rgba(255,255,255,0.12);
  padding: 0.25rem 0.6rem; border-radius: 999px; font-size: 0.8rem; margin: 0.2rem 0.2rem 0 0;
}

/* Case study */
.nn-case {
  border: 1px solid var(--nn-line);
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
  height: 100%;
  display: flex; flex-direction: column;
}
.nn-case .nn-case-head {
  background: var(--nn-teal-tint);
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--nn-line);
}
.nn-case .nn-case-head .industry { font-size: 0.78rem; color: var(--nn-muted); text-transform: uppercase; letter-spacing: 0.1em; font-weight: 600; }
.nn-case .nn-case-head h3 { font-size: 1.25rem; margin: 0.25rem 0 0; color: var(--nn-teal); }
.nn-case .nn-case-body { padding: 1.5rem; }
.nn-case h4 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--nn-muted); font-weight: 600; margin-bottom: 0.4rem; }
.nn-case p { color: var(--nn-ink); margin-bottom: 1.2rem; }
.nn-case .nn-results { background: #fafbfc; border-top: 1px solid var(--nn-line); padding: 1.25rem 1.5rem; margin-top: auto; }
.nn-case .nn-results .metric-num { font-size: 1.35rem; font-weight: 700; color: var(--nn-teal); letter-spacing: -0.02em; }
.nn-case .nn-results .metric-label { font-size: 0.8rem; color: var(--nn-muted); }

/* Leadership */
.nn-leader {
  text-align: left;
}
.nn-leader .nn-avatar {
  width: 88px; height: 88px; border-radius: 50%;
  background: linear-gradient(135deg, var(--nn-teal), var(--nn-teal-dark));
  color: #fff; display: inline-flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 1.5rem; margin-bottom: 1rem;
  overflow: hidden;
}
.nn-leader .nn-avatar img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.nn-leader h3 { font-size: 1.1rem; margin: 0; }
.nn-leader .role { color: var(--nn-coral); font-size: 0.9rem; font-weight: 600; margin-bottom: 0.5rem; }
.nn-leader p { color: var(--nn-muted); font-size: 0.95rem; }

/* Values */
.nn-value {
  border: 1px solid var(--nn-line);
  border-radius: 12px;
  padding: 1.5rem;
  background: #fff;
  height: 100%;
}
.nn-value h3 { font-size: 1.1rem; color: var(--nn-teal); margin: 0 0 0.4rem; }
.nn-value p { color: var(--nn-muted); margin: 0; font-size: 0.95rem; }

/* Insights list */
.nn-post {
  display: block;
  padding: 1.5rem;
  border: 1px solid var(--nn-line);
  border-radius: 12px;
  background: #fff;
  color: inherit;
  text-decoration: none;
  height: 100%;
  transition: box-shadow .15s ease, transform .15s ease;
}
.nn-post:hover { box-shadow: 0 12px 30px rgba(15,76,92,0.08); transform: translateY(-2px); color: inherit; }
.nn-post .topic { font-size: 0.78rem; color: var(--nn-coral); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; }
.nn-post h3 { font-size: 1.1rem; margin: 0.4rem 0 0.6rem; }
.nn-post .meta { font-size: 0.85rem; color: var(--nn-muted); }

/* Forms */
.nn-form { background: #fff; border: 1px solid var(--nn-line); border-radius: 16px; padding: 2rem; }
.form-label { font-weight: 500; font-size: 0.9rem; color: var(--nn-ink); }
.form-control, .form-select {
  border-radius: 8px;
  border-color: var(--nn-line);
  padding: 0.65rem 0.85rem;
  font-size: 0.95rem;
}
.form-control:focus, .form-select:focus {
  border-color: var(--nn-teal);
  box-shadow: 0 0 0 0.2rem rgba(15,76,92,0.15);
}

/* Footer */
.nn-footer {
  background: var(--nn-ink);
  color: rgba(255,255,255,0.78);
  padding: 4rem 0 2rem;
}
.nn-footer h5 { color: #fff; font-size: 0.95rem; font-weight: 600; margin-bottom: 1rem; letter-spacing: 0.02em; }
.nn-footer a { color: rgba(255,255,255,0.72); text-decoration: none; }
.nn-footer a:hover { color: #fff; }
.nn-footer ul { list-style: none; padding: 0; margin: 0; }
.nn-footer ul li { margin-bottom: 0.5rem; font-size: 0.92rem; }
.nn-footer .nn-badge {
  display: inline-block;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  margin: 0.25rem 0.35rem 0 0;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.8);
}
.nn-footer .nn-footer-divider {
  border-top: 1px solid rgba(255,255,255,0.08);
  margin: 2.5rem 0 1.25rem;
}
.nn-footer .nn-footer-bottom {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem;
}

/* Misc */
.section { padding: 5rem 0; }
.section-sm { padding: 3.5rem 0; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--nn-coral);
}
hr.nn-rule { border: 0; border-top: 1px solid var(--nn-line); }
.nn-bg-soft { background: var(--nn-bg-soft); }
.nn-list-check { list-style: none; padding: 0; }
.nn-list-check li { padding-left: 1.6rem; position: relative; margin-bottom: 0.55rem; color: var(--nn-ink); }
.nn-list-check li::before {
  content: ""; position: absolute; left: 0; top: 0.45em;
  width: 0.95rem; height: 0.55rem;
  border-left: 2px solid var(--nn-coral);
  border-bottom: 2px solid var(--nn-coral);
  transform: rotate(-45deg);
}

/* Skip link */
.nn-skip {
  position: absolute; top: -40px; left: 1rem;
  background: var(--nn-teal); color: #fff; padding: 0.5rem 0.75rem; border-radius: 6px;
  z-index: 1100;
  transition: top .2s ease;
}
.nn-skip:focus { top: 1rem; color: #fff; }

@media (max-width: 575.98px) {
  .nn-hero { padding: 4rem 0 3rem; }
  .nn-stats .divider { display: none; }
}