/* ==========================================================================
   AFRIQUE NOUVELLES — Full Core Stylesheet
   ========================================================================== */

:root {
  --color-forest: #102A20;
  --color-forest-light: #1B4332;
  --color-ivory: #F5F0E6;
  --color-paper: #E9DFC9;
  --color-gold: #B58A45;
  --color-gold-hover: #967033;
  --color-bronze: #8B6337;
  --color-charcoal: #202020;
  --color-white: #FFFFFF;
  --color-accent-red: #B21F24;
  --color-border: rgba(181, 138, 69, 0.25);
  --color-border-dark: rgba(245, 240, 230, 0.15);

  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Inter', -apple-system, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 7rem;

  --max-width: 1320px;
  --header-height: 85px;
  --transition-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-duration: 0.4s;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--color-forest);
  color: var(--color-charcoal);
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  background-color: var(--color-ivory);
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-duration) ease;
}

h1, h2, h3, h4, h5, h6, .font-serif {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.15;
}

.text-gold { color: var(--color-gold); }
.text-ivory { color: var(--color-ivory); }
.text-forest { color: var(--color-forest); }
.text-center { text-align: center; }

/* Section Label */
.section-label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section-padding { padding: var(--space-xl) 0; }
.bg-forest { background-color: var(--color-forest); color: var(--color-ivory); }
.bg-paper { background-color: var(--color-paper); }
.bg-ivory { background-color: var(--color-ivory); }

/* --------------------------------------------------------------------------
   UNIFORM NAVIGATION BAR
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background-color: rgba(16, 42, 32, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-dark);
  transition: all 0.3s ease;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-ivory);
  text-transform: uppercase;
}

.brand-logo span {
  color: var(--color-gold);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.8rem; /* Refined compact menu font size */
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-ivory);
  opacity: 0.85;
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 1px;
  background-color: var(--color-gold);
  transition: width 0.3s ease;
}

.nav-link:hover, .nav-link.active {
  opacity: 1;
  color: var(--color-gold);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.lang-switch {
  font-size: 0.75rem;
  color: var(--color-ivory);
  letter-spacing: 0.1em;
  opacity: 0.8;
}

.lang-switch span.active {
  color: var(--color-gold);
  font-weight: 600;
}

/* Button Styles */
.btn-primary {
  display: inline-block;
  padding: 0.85rem 1.75rem;
  background-color: var(--color-gold);
  color: var(--color-forest);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: 1px solid var(--color-gold);
  transition: all var(--transition-duration) var(--transition-smooth);
  cursor: pointer;
}

.btn-primary:hover {
  background-color: transparent;
  color: var(--color-gold);
}

.btn-secondary {
  display: inline-block;
  padding: 0.85rem 1.75rem;
  background-color: transparent;
  color: var(--color-ivory);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: 1px solid var(--color-border-dark);
  transition: all var(--transition-duration) var(--transition-smooth);
  cursor: pointer;
}

.btn-secondary:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-ivory);
  margin: 5px 0;
}

/* --------------------------------------------------------------------------
   HERO SECTION & CAROUSEL
   -------------------------------------------------------------------------- */
.hero-section {
  min-height: 90vh;
  background-color: var(--color-forest);
  color: var(--color-ivory);
  padding-top: calc(var(--header-height) + 3rem);
  padding-bottom: var(--space-lg);
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.04;
  background-image: radial-gradient(var(--color-gold) 1px, transparent 0);
  background-size: 32px 32px;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  font-size: clamp(2.5rem, 4.5vw, 4.25rem);
  margin-bottom: 1.5rem;
  color: var(--color-ivory);
}

.hero-description {
  font-size: 1.05rem;
  line-height: 1.8;
  opacity: 0.85;
  margin-bottom: 2.5rem;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* Book Carousel Container */
.hero-carousel-container {
  position: relative;
  width: 100%;
  max-width: 380px;
  margin: 0 auto;
  overflow: hidden;
}

.carousel-track {
  display: flex;
  transition: transform 0.5s var(--transition-smooth);
}

.carousel-slide {
  min-width: 100%;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem;
}

.carousel-book-frame {
  width: 250px;
  height: 360px;
  background-color: var(--color-paper);
  box-shadow: 0 18px 40px rgba(0,0,0,0.5);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-bottom: 1.25rem;
  transition: transform 0.3s ease;
}

.carousel-slide:hover .carousel-book-frame {
  transform: translateY(-6px);
}

.carousel-book-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.carousel-book-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--color-ivory);
  text-align: center;
  font-weight: 600;
}

.carousel-book-author {
  font-size: 0.75rem;
  color: var(--color-gold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.25rem;
}

.carousel-nav {
  display: flex;
  justify-content: center;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: rgba(245, 240, 230, 0.3);
  border: none;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.carousel-dot.active {
  background-color: var(--color-gold);
  transform: scale(1.35);
}

/* --------------------------------------------------------------------------
   BOOKS CATALOGUE
   -------------------------------------------------------------------------- */
.section-header { margin-bottom: var(--space-lg); }
.section-title { font-size: clamp(2rem, 3.5vw, 3rem); }

.books-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

.book-card {
  display: flex;
  flex-direction: column;
}

.book-card-cover {
  position: relative;
  background-color: #E2D7C3;
  aspect-ratio: 1 / 1.45;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  box-shadow: 0 10px 25px rgba(0,0,0,0.07);
  margin-bottom: 1.5rem;
  border: 1px solid rgba(0,0,0,0.05);
  overflow: hidden;
}

.book-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
  box-shadow: 4px 8px 18px rgba(0,0,0,0.15);
}

.book-card:hover .book-card-cover img {
  transform: scale(1.03) translateY(-4px);
}

.book-card-meta {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.book-category {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.book-card-title {
  font-size: 1.35rem;
  margin-bottom: 0.4rem;
  line-height: 1.25;
  color: var(--color-forest);
}

.book-card-author {
  font-size: 0.85rem;
  color: var(--color-bronze);
  margin-bottom: 0.75rem;
  font-style: italic;
}

.book-card-desc {
  font-size: 0.9rem;
  color: var(--color-charcoal);
  opacity: 0.85;
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.link-editorial {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  color: var(--color-forest);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: auto;
}

.link-editorial:hover {
  color: var(--color-gold);
}

/* --------------------------------------------------------------------------
   EDITORIAL SPOTLIGHT (IMAGE FRAME)
   -------------------------------------------------------------------------- */
.spotlight-wrapper {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 5rem;
  align-items: center;
}

.spotlight-book-display {
  background-color: var(--color-forest-light);
  padding: 3rem;
  display: flex;
  justify-content: center;
  align-items: center;
  border: 1px solid var(--color-border-dark);
}

.spotlight-cover-frame {
  width: 270px;
  height: 390px;
  background-color: var(--color-paper);
  box-shadow: -15px 20px 35px rgba(0,0,0,0.5);
  border: 1px solid var(--color-gold);
  overflow: hidden;
}

.spotlight-cover-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.spotlight-content h3 {
  font-size: 2.75rem;
  margin-bottom: 0.5rem;
  color: var(--color-ivory);
}

.spotlight-subtitle {
  font-size: 1.2rem;
  color: var(--color-gold);
  margin-bottom: 1.5rem;
  font-family: var(--font-serif);
}

/* --------------------------------------------------------------------------
   EDITORIAL MISSION SECTION
   -------------------------------------------------------------------------- */
.mission-statement {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.75rem);
  font-style: italic;
  color: var(--color-forest);
  margin-bottom: 2rem;
  max-width: 900px;
  line-height: 1.3;
  border-left: 3px solid var(--color-gold);
  padding-left: 1.5rem;
}

/* --------------------------------------------------------------------------
   COLLECTIONS / CATEGORIES GRID
   -------------------------------------------------------------------------- */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.category-card {
  background-color: var(--color-white);
  padding: 2rem 1.5rem;
  border: 1px solid rgba(0,0,0,0.06);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 140px;
}

.category-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-gold);
  box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}

.category-number {
  font-size: 0.75rem;
  color: var(--color-gold);
  font-weight: 600;
  letter-spacing: 0.1em;
}

.category-name {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--color-forest);
  margin-top: 1rem;
}

/* --------------------------------------------------------------------------
   FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-forest);
  color: var(--color-ivory);
  padding-top: var(--space-xl);
  padding-bottom: var(--space-md);
  border-top: 1px solid var(--color-border-dark);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: var(--space-lg);
}

.footer-brand p {
  opacity: 0.75;
  margin-top: 1rem;
  font-size: 0.875rem;
  line-height: 1.7;
  max-width: 320px;
}

.footer-col-title {
  font-family: var(--font-serif);
  color: var(--color-gold);
  margin-bottom: 1.25rem;
  font-size: 1.1rem;
}

.footer-links {
  list-style: none;
  line-height: 2.2;
  font-size: 0.85rem;
  opacity: 0.8;
}

.footer-links a:hover {
  color: var(--color-gold);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--color-border-dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  opacity: 0.65;
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
}

.footer-legal a:hover {
  color: var(--color-gold);
}

/* Scroll Animation Utilities */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   RESPONSIVE DESIGN
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-grid, .spotlight-wrapper { grid-template-columns: 1fr; gap: 3rem; }
  .books-grid { grid-template-columns: repeat(2, 1fr); }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-menu, .nav-actions .btn-primary { display: none; }
  .mobile-toggle { display: block; }
  .books-grid { grid-template-columns: 1fr; }
  .categories-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}

/* ==========================================================================
   INNER PAGE EXTENSIONS
   ========================================================================== */

/* Inner Page Headers */
.page-header {
  padding-top: calc(var(--header-height) + 4rem);
  padding-bottom: 3.5rem;
  background-color: var(--color-forest);
  color: var(--color-ivory);
  border-bottom: 1px solid var(--color-border-dark);
}

.page-title {
  font-size: clamp(2.25rem, 4vw, 3.5rem);
  color: var(--color-ivory);
  margin-bottom: 1rem;
}

.page-subtitle {
  font-size: 1.1rem;
  color: var(--color-paper);
  max-width: 650px;
  line-height: 1.7;
}

/* Form Styles (Submit & Contact Pages) */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-forest);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border);
  background-color: var(--color-white);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-charcoal);
  transition: border-color 0.3s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-gold);
}

textarea.form-control {
  resize: vertical;
  min-height: 140px;
}

/* Detail Page Layouts */
.book-detail-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 4rem;
  align-items: start;
}

.author-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.author-card {
  background-color: var(--color-white);
  padding: 2rem;
  border: 1px solid rgba(0,0,0,0.06);
}

.author-name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-forest);
  margin-bottom: 0.25rem;
}

.author-role {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gold);
  margin-bottom: 1rem;
}

@media (max-width: 1024px) {
  .book-detail-grid { grid-template-columns: 1fr; gap: 2rem; }
  .author-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .form-grid, .author-grid { grid-template-columns: 1fr; }
  .form-group.full-width { grid-column: span 1; }
}