/* ==========================================================================
   Nigerians.ca — Shared Design System v3
   Minimal, typographic, content-first.
   Modeled after kanmiobasa.com — Inter, thin borders, no decoration.
   ========================================================================== */

:root {
  /* Colors — themes override --color-accent */
  --color-text: #1a1a1a;
  --color-text-secondary: #525252;
  --color-text-muted: #8a8a8a;
  --color-bg: #fafafa;
  --color-surface: #f5f5f5;
  --color-border: #e5e5e5;
  --color-accent: #525252;
  --color-white: #ffffff;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: var(--font-sans);

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;

  /* Layout */
  --max-width: 680px;
  --nav-height: 0px;
}

/* ==========================================================================
   Reset
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
}

/* ==========================================================================
   Accessibility
   ========================================================================== */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: -9999px; top: auto;
  width: 1px; height: 1px;
  overflow: hidden;
}
.skip-link:focus, .skip-link:active {
  left: var(--space-sm); top: var(--space-sm);
  width: auto; height: auto;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-text);
  color: var(--color-bg);
  z-index: 99999;
  font-size: 0.875rem;
  font-weight: 500;
}

:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 2px;
}

/* ==========================================================================
   Links & Images
   ========================================================================== */
a {
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
  transition: color 0.15s ease, border-color 0.15s ease;
}

a:hover {
  color: var(--color-text-secondary);
  border-color: var(--color-text-secondary);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

h1 {
  font-size: 2rem;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h2 {
  font-size: 1rem;
  margin-bottom: var(--space-sm);
}

h3 {
  font-size: 1rem;
  margin-bottom: var(--space-xs);
}

h4 {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}

p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

p:last-child {
  margin-bottom: 0;
}

ul, ol {
  margin-bottom: var(--space-sm);
  padding-left: var(--space-md);
}

li {
  margin-bottom: var(--space-xs);
  color: var(--color-text-secondary);
}

blockquote {
  border-left: 2px solid var(--color-border);
  padding: var(--space-sm) var(--space-md);
  margin: var(--space-md) 0;
  color: var(--color-text-secondary);
  font-style: italic;
}

.breadcrumb {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}
.breadcrumb a {
  color: var(--color-text-muted);
  border-bottom-color: transparent;
}
.breadcrumb a:hover {
  color: var(--color-text);
  border-bottom-color: var(--color-border);
}
.breadcrumb .sep {
  margin: 0 0.5rem;
  opacity: 0.4;
}

/* ==========================================================================
   Layout
   ========================================================================== */
.main-content {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-content,
.content-wrapper,
.content-area {
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
  flex: 1;
}

section {
  margin-bottom: var(--space-xl);
}

/* ==========================================================================
   Hero — text-only, no image
   ========================================================================== */
.hero {
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-lg);
  text-align: left;
  color: var(--color-text);
  position: relative;
  min-height: 0;
  display: block;
  overflow: visible;
  background: none !important;
  background-image: none !important;
}

/* Kill ALL decorative/image elements inside hero */
.hero::before,
.hero::after,
.hero-bg,
.hero-uli-pattern,
.hero-uli-pattern-2,
.hero-uli-lines,
.adire-pattern,
.gold-line,
.gold-line-bottom,
.footer-uli {
  display: none !important;
  background-image: none !important;
  background: none !important;
  width: 0 !important;
  height: 0 !important;
  position: absolute !important;
  overflow: hidden !important;
}

/* Also kill any inline background-image on hero itself */
.hero[style],
.hero-bg[style] {
  background-image: none !important;
  background: none !important;
}

.hero-content {
  position: static;
  max-width: none;
  margin: 0;
  padding: 0;
  z-index: auto;
}

.hero h1 {
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  text-shadow: none;
}

.hero h1::after {
  display: none;
}

.hero .subtitle,
.hero .hero-tagline {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  font-family: var(--font-sans);
  font-style: normal;
  font-weight: 400;
  margin-bottom: var(--space-sm);
  opacity: 1;
  line-height: 1.5;
}

.hero p {
  color: var(--color-text-secondary);
  font-size: 1.125rem;
  line-height: 1.5;
  max-width: none;
  margin: 0 0 var(--space-sm);
}

.hero-cta {
  display: inline-flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  flex-wrap: wrap;
}

/* ==========================================================================
   Buttons — flat, bordered, no pills
   ========================================================================== */
.btn {
  display: inline-block;
  padding: 0.625rem 1.25rem;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
  text-decoration: none;
  text-align: center;
  min-height: 40px;
  line-height: 1.4;
}

.btn:hover {
  background: #f0f0f0;
  border-color: var(--color-text-secondary);
  color: var(--color-text);
}

.btn-primary {
  background: var(--color-text);
  color: var(--color-bg);
  border-color: var(--color-text);
}

.btn-primary:hover {
  background: var(--color-text-secondary);
  border-color: var(--color-text-secondary);
  color: var(--color-bg);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-text);
}

/* ==========================================================================
   Cards — flat surface, thin border, no shadow, no radius
   ========================================================================== */
.card,
.content-card,
.culture-card,
.section-card {
  background: var(--color-surface);
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: 0;
  box-shadow: none;
  transition: background 0.15s ease, border-color 0.15s ease;
  position: relative;
}

.card:hover,
.section-card:hover {
  background: #f0f0f0;
  border-color: var(--color-text-secondary);
  transform: none;
}

.content-card:hover,
.culture-card:hover {
  border-color: var(--color-text-secondary);
  transform: none;
}

a.card {
  text-decoration: none;
  color: inherit;
  display: block;
  border-bottom: none;
}

.card::before,
.section-card::before {
  display: none;
}

.card h3,
.content-card h3 {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  margin-top: 0;
  margin-bottom: var(--space-xs);
}

.card p,
.content-card p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* Card grid */
.card-grid,
.sections-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

/* Section card */
.section-card {
  display: block;
  text-decoration: none;
  border-bottom: none;
}

.section-card h3 {
  font-size: 1rem;
  font-weight: 500;
  margin: 0 0 var(--space-xs) 0;
}

.section-card p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin: 0;
}

/* Card icon — suppress emoji circles, just show inline */
.card-icon {
  display: none;
}

/* Content card — left border accent */
.content-card {
  border-left: 2px solid var(--color-accent);
  margin-bottom: var(--space-md);
}

/* Page intro */
.page-intro {
  margin-bottom: var(--space-lg);
}

.page-intro p {
  font-size: 1.125rem;
  line-height: 1.5;
  margin-bottom: 0;
}

/* Notice box */
.notice-box {
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-md);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.notice-icon {
  flex-shrink: 0;
}

/* ==========================================================================
   Culture Grid
   ========================================================================== */
.culture-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.culture-card {
  padding: var(--space-md);
}

.culture-card h2 {
  font-size: 1rem;
  font-weight: 500;
  margin-top: 0;
  margin-bottom: var(--space-xs);
  border: none;
  padding: 0;
}

.culture-card .culture-desc {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.culture-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.375rem;
}

.culture-links a {
  display: block;
  padding: 0.5rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.culture-links a:hover {
  background: var(--color-text);
  color: var(--color-bg);
  border-color: var(--color-text);
}

/* ==========================================================================
   Ask Prompt
   ========================================================================== */
.ask-prompt {
  padding: var(--space-lg) var(--space-md);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-xl);
  text-align: left;
  background: none;
  box-shadow: none;
  border-radius: 0;
}

.ask-prompt h2 {
  margin-top: 0;
  font-size: 1rem;
  margin-bottom: var(--space-xs);
}

.ask-prompt p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

/* Section Divider */
.section-divider {
  border: none;
  height: 1px;
  background: var(--color-border);
  margin: var(--space-xl) 0;
}
.section-divider .dot { display: none; }

/* ==========================================================================
   Translator
   ========================================================================== */
.translator-container {
  border: 1px solid var(--color-border);
  padding: var(--space-md);
  margin: var(--space-md) 0;
  background: var(--color-surface);
  border-radius: 0;
  box-shadow: none;
}

.translator-container h3 {
  margin-top: 0;
  margin-bottom: var(--space-sm);
}

.translator-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.translator-input-group,
.translator-form {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
}

.translator-box { display: flex; flex-direction: column; }

.translator-box label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.translator-box textarea,
.translator-input {
  flex: 1;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 0;
  font-size: 0.9375rem;
  font-family: var(--font-sans);
  transition: border-color 0.15s ease;
  outline: none;
  background: var(--color-bg);
  line-height: 1.5;
  min-height: 40px;
}

.translator-box textarea { resize: vertical; min-height: 120px; }

.translator-box textarea:focus,
.translator-input:focus {
  border-color: var(--color-text);
}

.translator-box textarea[readonly] {
  background: var(--color-surface);
  cursor: default;
  color: var(--color-text-secondary);
}

.translator-btn,
.translate-btn {
  padding: 0.625rem 1.25rem;
  background: var(--color-text);
  color: var(--color-bg);
  border: 1px solid var(--color-text);
  border-radius: 0;
  font-size: 0.875rem;
  font-weight: 500;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: background 0.15s ease;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.translator-btn:hover,
.translate-btn:hover {
  background: var(--color-text-secondary);
  border-color: var(--color-text-secondary);
}

.translator-btn:disabled,
.translate-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.translator-result {
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  font-size: 1rem;
  color: var(--color-text);
  font-weight: 500;
  min-height: 48px;
  display: flex;
  align-items: center;
  background: var(--color-bg);
  border-radius: 0;
}

.translator-result.empty {
  color: var(--color-text-muted);
  font-weight: 400;
  font-style: italic;
}

.translator-loading {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  font-style: italic;
  padding: var(--space-xs) 0;
}

.translator-error {
  font-size: 0.875rem;
  color: #b91c1c;
  padding: var(--space-xs) 0;
}

/* ==========================================================================
   Chat / Ask
   ========================================================================== */
.chat-container {
  border: 1px solid var(--color-border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  margin: var(--space-md) 0;
  background: var(--color-bg);
  border-radius: 0;
  box-shadow: none;
}

.elder-header {
  background: var(--color-text);
  padding: var(--space-md);
  text-align: left;
  border-radius: 0;
}
.elder-header::before { display: none; }
.elder-header h2 {
  color: var(--color-bg);
  font-size: 1rem;
  font-weight: 500;
  margin: 0 0 2px;
}
.elder-header p {
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  margin: 0;
  font-style: normal;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-md);
  min-height: 280px;
  max-height: 440px;
  background: var(--color-white);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.chat-message {
  display: flex;
  flex-direction: column;
}
.chat-message.user { align-items: flex-end; }
.chat-message.assistant { align-items: flex-start; }
.chat-message.system {
  align-self: center;
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  font-style: italic;
}

.chat-bubble {
  max-width: 80%;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  line-height: 1.5;
  border: 1px solid var(--color-border);
}

.chat-message.user .chat-bubble {
  background: var(--color-text);
  color: var(--color-bg);
  border-color: var(--color-text);
}

.chat-message.assistant .chat-bubble {
  background: var(--color-surface);
  color: var(--color-text);
}

.chat-label {
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  margin-bottom: 3px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.chat-empty {
  text-align: center;
  color: var(--color-text-muted);
  padding: var(--space-xl) var(--space-md);
  font-size: 0.875rem;
}

.chat-input-area {
  padding: var(--space-sm) var(--space-md);
  border-top: 1px solid var(--color-border);
  background: var(--color-white);
}

.chat-form { display: flex; gap: var(--space-xs); }

.chat-input,
.chat-input-area input {
  flex: 1;
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 0;
  font-size: 0.875rem;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color 0.15s ease;
  background: var(--color-bg);
  min-height: 40px;
}

.chat-input:focus,
.chat-input-area input:focus {
  border-color: var(--color-text);
}

.chat-send-btn,
.chat-input-area button {
  padding: 0.625rem 1.25rem;
  background: var(--color-text);
  color: var(--color-bg);
  border: 1px solid var(--color-text);
  border-radius: 0;
  font-weight: 500;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  cursor: pointer;
  transition: background 0.15s ease;
  min-height: 40px;
}

.chat-send-btn:hover,
.chat-input-area button:hover {
  background: var(--color-text-secondary);
  border-color: var(--color-text-secondary);
}

.chat-send-btn:disabled,
.chat-input-area button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* AI Disclaimer */
.ai-disclaimer {
  padding: var(--space-sm) var(--space-md);
  margin: var(--space-md) 0;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}
.ai-disclaimer strong { color: var(--color-text); }

/* Phrases Table */
.phrases-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-md) 0;
  font-size: 0.875rem;
}
.phrases-table th {
  background: var(--color-text);
  color: var(--color-bg);
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 500;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.phrases-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-border);
}
.phrases-table tr:last-child td { border-bottom: none; }
.phrases-table tr:hover td { background: var(--color-surface); }

/* Content Image */
.content-image {
  margin: var(--space-md) 0;
  border: 1px solid var(--color-border);
  border-radius: 0;
  box-shadow: none;
}

/* Dropdown Toggle */
.nav-dropdown-toggle {
  background: none; border: none; cursor: pointer;
  padding: 4px; margin-left: 4px;
  display: inline-flex; align-items: center;
  color: inherit; font: inherit;
}
.nav-dropdown-toggle .dropdown-arrow {
  font-size: 0.55rem;
  transition: transform 0.15s ease;
}

/* ==========================================================================
   Footer — minimal
   ========================================================================== */
.site-footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
  border-top: 1px solid var(--color-border);
  background: none;
}

.site-footer::before { display: none; }

.footer-inner,
.footer-content {
  max-width: none;
  margin: 0;
}

.footer-brand,
.footer-brand-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
  font-family: var(--font-sans);
}

.footer-brand h3 {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  margin: 0 0 var(--space-xs);
  font-family: var(--font-sans);
}

.footer-brand p,
.footer-tagline,
.footer-brand-tagline {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  margin-bottom: 0;
}

.footer-links {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin: var(--space-sm) 0;
}

.footer-links a {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  border-bottom: 1px solid var(--color-border);
}
.footer-links a:hover {
  color: var(--color-text);
  border-color: var(--color-text);
}

.footer-links h4 {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-xs);
}
.footer-links ul { list-style: none; padding: 0; }
.footer-links li { margin-bottom: var(--space-xs); }

.footer-nigerians { margin: var(--space-sm) 0; }
.footer-nigerians a {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  border-bottom: 1px solid var(--color-border);
}
.footer-nigerians a:hover {
  color: var(--color-text);
  border-color: var(--color-text);
}

.footer-ask {
  margin-top: var(--space-md);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.footer-ask a {
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  font-weight: 500;
}

.footer-ask a:hover {
  color: var(--color-text-secondary);
  border-color: var(--color-text-secondary);
}

.footer-bottom,
.footer-copy {
  margin-top: var(--space-md);
  padding-top: var(--space-sm);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}
.footer-bottom a,
.footer-copy a {
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
}
.footer-bottom a:hover,
.footer-copy a:hover {
  color: var(--color-text);
  border-color: var(--color-text);
}

/* Spinner */
.spinner {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-text);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Scrollbar */
.chat-messages::-webkit-scrollbar { width: 4px; }
.chat-messages::-webkit-scrollbar-track { background: transparent; }
.chat-messages::-webkit-scrollbar-thumb { background: var(--color-border); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 600px) {
  .page-content, .content-wrapper, .content-area {
    padding: var(--space-lg) var(--space-sm);
  }

  h1 { font-size: 1.5rem; }

  .hero p { font-size: 1rem; }

  .card-grid, .sections-grid {
    grid-template-columns: 1fr;
  }

  .culture-grid {
    grid-template-columns: 1fr;
  }

  .translator-grid {
    grid-template-columns: 1fr;
  }

  .translator-input-group,
  .translator-form {
    flex-direction: column;
  }

  .chat-form {
    flex-direction: column;
  }

  .chat-send-btn,
  .chat-input-area button {
    width: 100%;
  }

  .site-footer {
    padding: var(--space-md) var(--space-sm);
  }
}

/* Print */
@media print {
  .top-nav, .nav-bar, .sidebar, .hamburger, .hamburger-toggle,
  .mobile-header, .mobile-nav-menu, .mobile-nav-overlay,
  .mobile-menu-overlay, .translator-container, .chat-container {
    display: none !important;
  }
  .main-content { margin: 0; }
  .page-content, .content-wrapper, .content-area {
    max-width: 100%; padding: 0;
  }
  .hero { border-bottom: none; }
}