/* ============================================================
   DBN Analytics — MkDocs Material Custom Stylesheet
   Brand Identity: Development Bank of Nigeria
   ─────────────────────────────────────────────
   Colours extracted from official DBN logo & visual identity:
     Corporate Blue  : #1B75BC  (nav, headers, primary actions)
     Corporate Green : #57AB27  (sun-ray motif, accents, CTAs)
     Deep Blue       : #0D5A96  (hover states, dark mode)
     Light Blue      : #2E8DD4  (highlights, links)
     Off-white       : #F4F8FC  (page backgrounds)
   ============================================================ */

/* ── DBN brand colour tokens ─────────────────────────────── */
:root {
  /* Primary palette */
  --dbn-blue:          #1B75BC;
  --dbn-blue-dark:     #0D5A96;
  --dbn-blue-light:    #2E8DD4;
  --dbn-blue-xlight:   #E3F0FA;

  /* Accent palette */
  --dbn-green:         #57AB27;
  --dbn-green-dark:    #3D8A10;
  --dbn-green-light:   #72C244;
  --dbn-green-xlight:  #EBF7E0;

  /* Surface & utility */
  --dbn-surface:       #F4F8FC;
  --dbn-surface-dark:  #1A2535;
  --dbn-text:          #1A2535;

  /* Hero gradient: deep blue → corporate blue → green */
  --dbn-gradient: linear-gradient(135deg, #0D5A96 0%, #1B75BC 55%, #3D8A10 100%);

  /* ── Override MkDocs Material primary & accent tokens ─── */
  --md-primary-fg-color:              #1B75BC;
  --md-primary-fg-color--light:       #2E8DD4;
  --md-primary-fg-color--dark:        #0D5A96;
  --md-primary-bg-color:              #FFFFFF;
  --md-primary-bg-color--light:       rgba(255,255,255,0.7);

  --md-accent-fg-color:               #57AB27;
  --md-accent-fg-color--transparent:  rgba(87,171,39,0.12);
  --md-accent-bg-color:               #FFFFFF;
}

[data-md-color-scheme="slate"] {
  --dbn-surface:       #1A2535;
  --dbn-blue:          #2E8DD4;
  --dbn-green:         #72C244;

  --md-primary-fg-color:        #2E8DD4;
  --md-primary-fg-color--light: #5AAAE3;
  --md-accent-fg-color:         #72C244;
  --md-accent-fg-color--transparent: rgba(114,194,68,0.15);
}

/* ── Navigation header ────────────────────────────────────── */
.md-header {
  background: #0D5A96 !important;
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}

.md-header__title {
  font-weight: 700;
  letter-spacing: 0.3px;
}

/* ── Navigation tabs strip ───────────────────────────────── */
.md-tabs {
  background: #1B75BC !important;
}

.md-tabs__link {
  opacity: 0.85;
}

.md-tabs__link--active,
.md-tabs__link:hover {
  color: #fff !important;
  opacity: 1;
}

.md-tabs__link--active {
  border-bottom: 3px solid #57AB27 !important;
}

/* ── Sidebar active nav link ──────────────────────────────── */
.md-nav__link--active {
  color: #1B75BC !important;
  font-weight: 600;
  border-left: 3px solid #57AB27;
  padding-left: 0.5rem;
}

[data-md-color-scheme="slate"] .md-nav__link--active {
  color: #72C244 !important;
}

/* ── Footer ──────────────────────────────────────────────── */
.md-footer {
  background: #0D5A96 !important;
}

.md-footer-meta {
  background: #0B4D82 !important;
}

/* ── Search result highlight ──────────────────────────────── */
.md-search-result mark {
  background: rgba(87,171,39,0.18);
  color: #0D5A96;
  border-radius: 2px;
}

/* ── Code copy button ─────────────────────────────────────── */
.md-clipboard:hover { color: #57AB27 !important; }

/* ── Inline code ──────────────────────────────────────────── */
.md-typeset code {
  background: #E3F0FA;
  color: #0D5A96;
  border-radius: 3px;
}

[data-md-color-scheme="slate"] .md-typeset code {
  background: #1a2d45;
  color: #5AAAE3;
}

/* ── Admonition colours ───────────────────────────────────── */
/* Default (note/info) → DBN blue */
.md-typeset .admonition,
.md-typeset details {
  border-left-color: #1B75BC;
}

.md-typeset .admonition > .admonition-title,
.md-typeset details > summary {
  background-color: #E3F0FA !important;
}

/* tip → DBN green */
.md-typeset .admonition.tip,
.md-typeset details.tip {
  border-left-color: #57AB27;
}
.md-typeset .admonition.tip > .admonition-title,
.md-typeset details.tip > summary {
  background-color: #EBF7E0 !important;
}
.md-typeset .admonition.tip > .admonition-title::before,
.md-typeset details.tip > summary::before {
  color: #57AB27 !important;
}

/* example → lighter blue */
.md-typeset .admonition.example,
.md-typeset details.example {
  border-left-color: #2E8DD4;
}
.md-typeset .admonition.example > .admonition-title,
.md-typeset details.example > summary {
  background-color: #dceefa !important;
}

/* ── Tables: DBN blue header, alternating rows ────────────── */
.md-typeset table:not([class]) {
  border-collapse: collapse;
  width: 100%;
  border-radius: 6px;
  overflow: hidden;
}

.md-typeset table:not([class]) thead tr th {
  background: #1B75BC;
  color: #fff;
  font-weight: 600;
  padding: 0.65rem 1rem;
  letter-spacing: 0.2px;
}

.md-typeset table:not([class]) tbody tr:nth-child(even) td {
  background: #F4F8FC;
}

[data-md-color-scheme="slate"] .md-typeset table:not([class]) tbody tr:nth-child(even) td {
  background: #1e2d42;
}

/* ── Grid cards hover lift ────────────────────────────────── */
.md-typeset .grid.cards > :is(ul, ol) > li,
.md-typeset .grid > .card {
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-top-color 0.18s ease;
  border-top: 3px solid transparent;
  border-radius: 8px;
}

.md-typeset .grid.cards > :is(ul, ol) > li:hover,
.md-typeset .grid > .card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(27,117,188,0.14);
  border-top-color: #57AB27;
}

/* ════════════════════════════════════════════════════════════
   HOME PAGE COMPONENTS
   ════════════════════════════════════════════════════════════ */

/* ── Hero banner ──────────────────────────────────────────── */
.dbn-hero {
  background: var(--dbn-gradient);
  border-radius: 12px;
  padding: 3rem 2.5rem;
  margin-bottom: 2.5rem;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

/* Subtle diagonal grid texture */
.dbn-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.dbn-hero h1 {
  font-size: 2.6rem;
  font-weight: 800;
  margin: 0 0 0.5rem;
  color: #fff !important;
  border: none;
  letter-spacing: -0.5px;
}

/* "Development Bank of Nigeria · RC 1215724" subtitle */
.dbn-hero-sub {
  font-size: 0.88rem;
  color: #72C244;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  display: block;
}

.dbn-hero p {
  font-size: 1.1rem;
  opacity: 0.9;
  max-width: 680px;
  margin: 0 auto 1.5rem;
  line-height: 1.75;
}

/* Official tagline */
.dbn-tagline {
  font-style: italic;
  color: #72C244;
  font-size: 1rem;
  font-weight: 600;
  display: block;
  margin-bottom: 1.5rem;
  letter-spacing: 0.3px;
}

/* Technology badge pills */
.dbn-hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 1.75rem;
}

.dbn-badge {
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.32);
  border-radius: 999px;
  padding: 0.3rem 0.9rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: #fff;
  backdrop-filter: blur(4px);
  letter-spacing: 0.3px;
}

/* CTA button — DBN green */
.dbn-hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #57AB27;
  color: #fff !important;
  border-radius: 8px;
  padding: 0.72rem 1.6rem;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none !important;
  transition: background 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

.dbn-hero-cta:hover {
  background: #3D8A10;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}

/* ── Stats strip ──────────────────────────────────────────── */
.dbn-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.dbn-stat {
  background: #F4F8FC;
  border: 1px solid #cce0f5;
  border-radius: 10px;
  padding: 1.25rem 1rem;
  text-align: center;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

[data-md-color-scheme="slate"] .dbn-stat {
  background: #1A2535;
  border-color: #2a3d55;
}

.dbn-stat:hover {
  box-shadow: 0 4px 20px rgba(27,117,188,0.14);
  transform: translateY(-2px);
}

.dbn-stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: #1B75BC;
  line-height: 1;
  display: block;
}

[data-md-color-scheme="slate"] .dbn-stat-value {
  color: #72C244;
}

.dbn-stat-label {
  font-size: 0.75rem;
  color: #5A6B7C;
  margin-top: 0.4rem;
  font-weight: 600;
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

/* ── Pipeline step badges ─────────────────────────────────── */
.dbn-pipeline {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  align-items: center;
  margin: 1.5rem 0;
}

.dbn-step {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: #F4F8FC;
  border: 1px solid #cce0f5;
  border-radius: 8px;
  padding: 0.6rem 1rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: #1B75BC;
}

[data-md-color-scheme="slate"] .dbn-step {
  background: #1A2535;
  border-color: #2a3d55;
  color: #5AAAE3;
}

.dbn-step-num {
  background: #1B75BC;
  color: #fff;
  border-radius: 50%;
  width: 1.5rem;
  height: 1.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  flex-shrink: 0;
}

.dbn-arrow {
  color: #57AB27;
  font-size: 1.25rem;
  padding: 0 0.25rem;
  opacity: 0.75;
  font-weight: 700;
}

/* ── REST method pills ────────────────────────────────────── */
.method-post,
.method-get,
.method-delete {
  display: inline-block;
  border-radius: 4px;
  padding: 0.15rem 0.55rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.4px;
  font-family: var(--md-code-font);
  vertical-align: middle;
  margin-right: 0.4rem;
}
.method-post   { background: #EBF7E0; color: #2D6A0A; }
.method-get    { background: #E3F0FA; color: #0D5A96; }
.method-delete { background: #fce4ec; color: #b71c1c; }

[data-md-color-scheme="slate"] .method-post   { background: #1b3d10; color: #8ED45F; }
[data-md-color-scheme="slate"] .method-get    { background: #0a2644; color: #5AAAE3; }
[data-md-color-scheme="slate"] .method-delete { background: #3d1010; color: #EF9A9A; }

/* ── Scrollbar accent ─────────────────────────────────────── */
::-webkit-scrollbar         { width: 6px; height: 6px; }
::-webkit-scrollbar-track   { background: #F4F8FC; }
::-webkit-scrollbar-thumb   { background: #1B75BC; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #57AB27; }