/* ============================================================
   bienvenue.css — Page À propos / Présentation Kalamundi
   ============================================================ */

/* ── Bannière livre partagé ──────────────────────────────── */

.bv-livre-banner {
  background: linear-gradient(90deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  padding: 12px 0;
  position: sticky;
  top: 64px;
  z-index: 100;
  border-bottom: 2px solid var(--color-accent);
}

.bv-livre-banner__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.bv-livre-banner__text {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: var(--font-size-sm);
}

.bv-livre-banner__label { opacity: 0.85; }

.bv-livre-banner__titre {
  color: var(--color-accent-light);
  font-size: 1rem;
}

.bv-livre-banner__auteur {
  opacity: 0.7;
  font-style: italic;
}

.bv-livre-banner__actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* ── Hero ────────────────────────────────────────────────── */

.bv-hero {
  position: relative;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, var(--color-primary-light) 100%);
  color: var(--text-inverse);
  padding: var(--spacing-xl) 0 80px;
  text-align: center;
  overflow: hidden;
}

.bv-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;
}

.bv-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin: 0 auto;
}

.bv-hero__kicker {
  font-size: var(--font-size-xs);
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: var(--spacing-md);
  opacity: 0.9;
}

.bv-hero__title {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 800;
  letter-spacing: -2px;
  color: #fff;
  margin: 0 0 var(--spacing-md);
  line-height: 1;
}

.bv-hero__sub {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: rgba(255,255,255,0.85);
  line-height: 1.7;
  margin: 0 auto var(--spacing-lg);
  max-width: 600px;
}

.bv-hero__ctas {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

.btn--outline-light {
  border: 2px solid rgba(255,255,255,0.6);
  color: #fff;
  background: transparent;
}
.btn--outline-light:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
}

.bv-hero__scroll {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 1.25rem;
  color: rgba(255,255,255,0.4);
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

/* ── Sections ─────────────────────────────────────────────── */

.bv-section {
  padding: var(--spacing-xl) 0;
}

.bv-section--alt {
  background: var(--bg-secondary);
}

.bv-section--dark {
  background: var(--color-primary-dark);
  color: var(--text-inverse);
}

.bv-section__title {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 var(--spacing-lg);
}

.bv-section__title--light {
  color: var(--color-accent-light);
}

.bv-section__lead {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 720px;
  margin: 0 auto var(--spacing-xl);
}

.bv-section__lead--light {
  color: rgba(255,255,255,0.75);
}

/* ── Étymologie ───────────────────────────────────────────── */

.bv-name__intro {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

.bv-etymology {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

.bv-etymology__word {
  flex: 1;
  min-width: 180px;
  text-align: center;
}

.bv-etymology__term {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -1px;
}

.bv-etymology__lang {
  font-size: var(--font-size-xs);
  color: var(--text-light);
  margin: 4px 0 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.bv-etymology__meaning {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-style: italic;
}

.bv-etymology__plus {
  font-size: 2rem;
  font-weight: 300;
  color: var(--color-accent);
}

.bv-etymology__result {
  flex: 1;
  min-width: 200px;
  text-align: center;
  border-left: 2px solid var(--border-color);
  padding-left: var(--spacing-lg);
}

.bv-etymology__equals {
  font-size: 1.5rem;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.bv-etymology__final {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-accent);
}

.bv-etymology__vision {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-top: 8px;
  font-style: italic;
}

/* ── Piliers ──────────────────────────────────────────────── */

.bv-pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.bv-pillar {
  background: var(--bg-main);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl) var(--spacing-lg);
  text-align: center;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  border: 1px solid var(--border-color);
  transition: transform 0.2s, box-shadow 0.2s;
}

.bv-pillar:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(27,67,50,0.12);
}

.bv-pillar__icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.bv-pillar__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.bv-pillar__text {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ── Objectifs ────────────────────────────────────────────── */

.bv-objectives {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-lg);
}

.bv-obj-group {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  border: 1px solid var(--border-color);
}

.bv-obj-group__badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: var(--spacing-md);
}

.bv-obj-group__badge--primary {
  background: var(--color-primary);
  color: #fff;
}

.bv-obj-group__badge--social {
  background: var(--color-accent);
  color: var(--color-primary-dark);
}

.bv-obj-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.bv-obj-item {
  display: flex;
  gap: var(--spacing-sm);
  align-items: flex-start;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

.bv-obj-item__icon {
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ── Audience ─────────────────────────────────────────────── */

.bv-audience {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.bv-audience__card {
  background: var(--bg-main);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl) var(--spacing-lg);
  border: 2px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.bv-audience__card:hover {
  border-color: var(--color-primary-light);
  box-shadow: 0 8px 24px rgba(27,67,50,0.1);
}

.bv-audience__card--accent {
  border-color: var(--color-accent);
  background: linear-gradient(160deg, #fffdf0 0%, var(--bg-main) 100%);
}

.bv-audience__icon {
  font-size: 2.5rem;
}

.bv-audience__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0;
}

.bv-audience__list {
  list-style: none;
  padding: 0;
  margin: 0;
  flex: 1;
}

.bv-audience__list li {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  padding: 6px 0;
  border-bottom: 1px solid var(--bg-secondary);
  line-height: 1.5;
}

.bv-audience__list li::before {
  content: "→ ";
  color: var(--color-accent);
  font-weight: 700;
}

/* ── Valeurs ──────────────────────────────────────────────── */

.bv-values {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.bv-value {
  padding: var(--spacing-lg);
  border-left: 3px solid var(--color-accent);
  background: var(--bg-card);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.bv-value__num {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-accent);
  opacity: 0.35;
  line-height: 1;
  margin-bottom: var(--spacing-sm);
}

.bv-value__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 var(--spacing-sm);
}

.bv-value__text {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.7;
  margin: 0;
}

/* ── Langues ──────────────────────────────────────────────── */

.bv-langs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
  margin: var(--spacing-lg) auto;
  max-width: 720px;
}

.bv-lang {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.9);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  transition: background 0.15s;
}

.bv-lang:hover {
  background: rgba(255,255,255,0.18);
}

.bv-langs__note {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.5);
  margin-top: var(--spacing-sm);
}

/* ── CTA Final ───────────────────────────────────────────── */

.bv-cta-final {
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card));
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  max-width: 680px;
  margin: 0 auto;
}

.bv-cta-final__title {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.bv-cta-final__text {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-lg);
}

.bv-cta-final__actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--spacing-md);
}

.bv-cta-final__note {
  font-size: var(--font-size-xs);
  color: var(--text-light);
}

/* ── Utilitaires ─────────────────────────────────────────── */

.text-center { text-align: center; }

/* ── Responsive ──────────────────────────────────────────── */

@media (max-width: 600px) {
  .bv-etymology {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  .bv-etymology__result {
    border-left: none;
    border-top: 2px solid var(--border-color);
    padding-left: 0;
    padding-top: var(--spacing-md);
  }
  .bv-hero__ctas { flex-direction: column; align-items: center; }
  .bv-cta-final__actions { flex-direction: column; align-items: center; }
}

/* ── Thème sombre ────────────────────────────────────────── */

[data-theme="dark"] .bv-section--alt    { background: var(--dark-surface); }
[data-theme="dark"] .bv-pillar          { background: var(--dark-card); border-color: var(--dark-border); }
[data-theme="dark"] .bv-obj-group       { background: var(--dark-card); border-color: var(--dark-border); }
[data-theme="dark"] .bv-audience__card  { background: var(--dark-card); border-color: var(--dark-border); }
[data-theme="dark"] .bv-audience__card--accent { background: var(--dark-card); }
[data-theme="dark"] .bv-value           { background: var(--dark-card); }
[data-theme="dark"] .bv-etymology       { background: var(--dark-card); border-color: var(--dark-border); }
[data-theme="dark"] .bv-cta-final       { background: var(--dark-card); border-color: var(--dark-border); }
[data-theme="dark"] .bv-section__title  { color: var(--dark-text); }
[data-theme="dark"] .bv-pillar__title,
[data-theme="dark"] .bv-audience__title,
[data-theme="dark"] .bv-value__title,
[data-theme="dark"] .bv-cta-final__title { color: var(--color-accent-light); }
[data-theme="dark"] .bv-audience__list li { border-color: var(--dark-border); }
[data-theme="dark"] .bv-etymology__term  { color: var(--color-accent-light); }
[data-theme="dark"] .bv-etymology__result { border-color: var(--dark-border); }