/* ==========================================================================
   E-marchés 06 — Theme CSS
   Palette: #1A3A5C (primaire) · #F5F0E8 (secondaire) · #E8612A (accent) · #1C1C1C (texte)
   Typo: Sora (titres) + Source Serif 4 (corps)
   ========================================================================== */

/* --- RESET & BASE ------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --c-primary:   #1A3A5C;
  --c-secondary: #F5F0E8;
  --c-accent:    #E8612A;
  --c-text:      #1C1C1C;
  --c-light:     #FAFAF7;
  --c-muted:     #6B7280;
  --c-border:    #E2DDD4;
  --c-white:     #FFFFFF;

  --ff-title: 'Sora', sans-serif;
  --ff-body:  'Source Serif 4', Georgia, serif;

  --radius:    4px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 3px rgba(26,58,92,.08);
  --shadow-md: 0 4px 16px rgba(26,58,92,.12);
  --shadow-lg: 0 8px 32px rgba(26,58,92,.16);

  --max-w:       1280px;
  --max-w-prose: 740px;
}

html { font-size: 17px; scroll-behavior: smooth; }

body {
  font-family: var(--ff-body);
  color: var(--c-text);
  background: var(--c-light);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* --- CONTAINER ---------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}
.container--narrow {
  max-width: var(--max-w-prose);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}

/* --- TYPOGRAPHY --------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--ff-title);
  font-weight: 700;
  line-height: 1.15;
  color: var(--c-primary);
}
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); letter-spacing: -0.015em; }
h3 { font-size: clamp(1.25rem, 2vw, 1.7rem); }
h4 { font-size: 1.15rem; }

p { margin-bottom: 1.25rem; }
p:last-child { margin-bottom: 0; }

strong { font-weight: 700; }
em { font-style: italic; }

/* --- BUTTONS ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .65rem 1.4rem;
  border-radius: var(--radius);
  font-family: var(--ff-title);
  font-size: .88rem;
  font-weight: 600;
  letter-spacing: .03em;
  text-transform: uppercase;
  transition: all .2s ease;
  cursor: pointer;
  border: 2px solid transparent;
}
.btn--primary {
  background: var(--c-accent);
  color: var(--c-white);
  border-color: var(--c-accent);
}
.btn--primary:hover { background: #CF4F1E; border-color: #CF4F1E; }
.btn--outline {
  background: transparent;
  color: var(--c-primary);
  border-color: var(--c-primary);
}
.btn--outline:hover { background: var(--c-primary); color: var(--c-white); }
.btn--ghost {
  background: transparent;
  color: var(--c-accent);
  border-color: transparent;
  padding-inline: 0;
}
.btn--ghost:hover { text-decoration: underline; }

/* =========================================================================
   NAVIGATION
   ========================================================================= */
.site-header {
  background: var(--c-primary);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,.18);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1rem;
}

/* Logo */
.nav-logo { display: flex; align-items: center; flex-shrink: 0; }
.nav-logo img {
  height: 72px;
  width: auto;
  display: block;
  transition: opacity .2s;
}
.nav-logo:hover img { opacity: .85; }

/* Main menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: .25rem;
  flex-wrap: wrap;
}
.nav-menu a {
  font-family: var(--ff-title);
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: rgba(245,240,232,.8);
  padding: .5rem .85rem;
  border-radius: var(--radius);
  transition: background .2s, color .2s;
}
.nav-menu a:hover,
.nav-menu a.active {
  background: rgba(232,97,42,.15);
  color: var(--c-secondary);
}
.nav-menu a.active {
  border-bottom: 2px solid var(--c-accent);
}

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--c-secondary);
  border-radius: 2px;
  transition: all .25s;
}

/* =========================================================================
   INDEX — ARCHETYPE A : Split éditorial 60/40
   ========================================================================= */
.hero-split {
  display: grid;
  grid-template-columns: 60fr 40fr;
  min-height: 80vh;
  max-height: 90vh;
  overflow: hidden;
}

/* Left editorial zone */
.hero-editorial {
  background: var(--c-primary);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(2rem, 5vw, 4rem) clamp(2rem, 5vw, 4.5rem);
  position: relative;
  overflow: hidden;
}
.hero-editorial::before {
  content: '';
  position: absolute;
  top: -80px; left: -80px;
  width: 320px; height: 320px;
  border: 1px solid rgba(232,97,42,.18);
  border-radius: 50%;
  pointer-events: none;
}
.hero-editorial::after {
  content: '';
  position: absolute;
  bottom: 40px; right: -60px;
  width: 200px; height: 200px;
  border: 1px solid rgba(245,240,232,.08);
  border-radius: 50%;
  pointer-events: none;
}

.hero-label {
  font-family: var(--ff-title);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: .6rem;
}
.hero-label::before {
  content: '';
  display: block;
  width: 28px; height: 2px;
  background: var(--c-accent);
}

.hero-h1 {
  color: var(--c-secondary) !important;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 1;
}

.hero-baseline {
  font-family: var(--ff-body);
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  font-style: italic;
  color: rgba(245,240,232,.65);
  margin-bottom: 2rem;
  max-width: 520px;
}

.hero-cta-row {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* Right image zone */
.hero-visual {
  position: relative;
  overflow: hidden;
  background: var(--c-border);
}
.hero-visual .hero-thumb {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-visual-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,58,92,.3) 0%, transparent 60%);
}
/* thumbnail output tag in hero */
.hero-visual img { width: 100%; height: 100%; object-fit: cover; }

/* =========================================================================
   SHOWCASE SECTION (index page)
   ========================================================================= */
.showcase-section {
  padding-block: clamp(3rem, 6vw, 5rem);
  background: var(--c-secondary);
}
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--c-border);
}
.section-title {
  font-family: var(--ff-title);
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  font-weight: 700;
  color: var(--c-primary);
  letter-spacing: -.01em;
  text-transform: uppercase;
}
.section-title span {
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--c-accent);
  border-radius: 50%;
  margin-right: .5rem;
  vertical-align: middle;
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 2.5vw, 2rem);
}

/* Content section on index */
.content-section {
  background: var(--c-white);
  padding-block: clamp(2.5rem, 5vw, 4rem);
  border-bottom: 1px solid var(--c-border);
}
.content-section .prose { max-width: var(--max-w-prose); margin-inline: auto; }

/* =========================================================================
   POST CARD (post-loop.html)
   ========================================================================= */
.post-card {
  background: var(--c-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .25s, box-shadow .25s;
  border: 1px solid var(--c-border);
}
.post-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.post-card__thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--c-border);
}
.post-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.post-card:hover .post-card__thumb img { transform: scale(1.04); }

.post-card__cat {
  position: absolute;
  top: .75rem; left: .75rem;
  background: var(--c-accent);
  color: var(--c-white);
  font-family: var(--ff-title);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .25rem .65rem;
  border-radius: 2px;
}
.post-card__cat:hover { background: var(--c-primary); }

.post-card__body {
  padding: 1.25rem 1.4rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.post-card__meta {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: .75rem;
  font-family: var(--ff-title);
  font-size: .75rem;
  color: var(--c-muted);
  font-weight: 500;
}
.post-card__meta-sep {
  width: 3px; height: 3px;
  background: var(--c-border);
  border-radius: 50%;
}
.post-card__title {
  font-family: var(--ff-title);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-primary);
  line-height: 1.35;
  margin-bottom: .75rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-card__title:hover { color: var(--c-accent); }

.post-card__excerpt {
  font-size: .9rem;
  color: var(--c-muted);
  line-height: 1.6;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 1rem;
}
.post-card__read-more {
  font-family: var(--ff-title);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--c-accent);
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  transition: gap .2s;
  margin-top: auto;
}
.post-card__read-more::after { content: '→'; }
.post-card:hover .post-card__read-more { gap: .55rem; }

/* =========================================================================
   POST LIST PAGE
   ========================================================================= */
.list-header {
  background: var(--c-primary);
  padding-block: clamp(2rem, 5vw, 3.5rem);
  border-bottom: 4px solid var(--c-accent);
}
.list-header__inner {
  display: flex;
  align-items: flex-end;
  gap: 2rem;
  justify-content: space-between;
}
.list-header__title {
  font-family: var(--ff-title);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--c-secondary);
  letter-spacing: -0.02em;
  text-transform: uppercase;
}
.list-header__count {
  font-family: var(--ff-title);
  font-size: .85rem;
  color: rgba(245,240,232,.55);
  white-space: nowrap;
}

.list-body { padding-block: clamp(2.5rem, 5vw, 4rem); }

.posts-grid--list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.25rem, 2.5vw, 2rem);
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
  padding-top: 1rem;
  border-top: 1px solid var(--c-border);
}
.pagination a,
.pagination span {
  font-family: var(--ff-title);
  font-size: .85rem;
  font-weight: 600;
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  border: 1px solid var(--c-border);
  color: var(--c-primary);
  transition: all .2s;
}
.pagination a:hover { background: var(--c-primary); color: var(--c-white); border-color: var(--c-primary); }
.pagination .active,
.pagination .current {
  background: var(--c-accent);
  color: var(--c-white);
  border-color: var(--c-accent);
}

/* =========================================================================
   POST SINGLE PAGE
   ========================================================================= */
.post-header {
  background: var(--c-secondary);
  border-bottom: 1px solid var(--c-border);
  padding-block: clamp(2rem, 4vw, 3rem);
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
  font-family: var(--ff-title);
  font-size: .78rem;
  color: var(--c-muted);
}
.breadcrumb a { color: var(--c-primary); font-weight: 600; }
.breadcrumb a:hover { color: var(--c-accent); }
.breadcrumb-sep { color: var(--c-border); }

.post-meta-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}
.post-cat-badge {
  background: var(--c-accent);
  color: var(--c-white);
  font-family: var(--ff-title);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .3rem .75rem;
  border-radius: 2px;
}
.post-cat-badge:hover { background: var(--c-primary); }
.post-date {
  font-family: var(--ff-title);
  font-size: .8rem;
  color: var(--c-muted);
  font-weight: 500;
}
.post-reading-time {
  font-family: var(--ff-title);
  font-size: .8rem;
  color: var(--c-muted);
}
.post-meta-dot {
  width: 3px; height: 3px;
  background: var(--c-border);
  border-radius: 50%;
}

.post-title {
  font-size: clamp(1.9rem, 4vw, 3.2rem);
  font-weight: 800;
  color: var(--c-primary);
  letter-spacing: -0.025em;
  line-height: 1.1;
  max-width: 860px;
  margin-bottom: 0;
}

.post-layout {
  display: grid;
  grid-template-columns: 1fr;
  max-width: var(--max-w-prose);
  margin-inline: auto;
  padding-block: clamp(2.5rem, 5vw, 4rem);
  padding-inline: clamp(1rem, 4vw, 2rem);
}

/* Thumbnail in post */
.post-thumbnail {
  margin-bottom: 2.5rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  aspect-ratio: 16/9;
  background: var(--c-border);
}
.post-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Prose / article content */
.prose h2 { margin-top: 2.25rem; margin-bottom: .75rem; }
.prose h3 { margin-top: 1.75rem; margin-bottom: .6rem; }
.prose p  { color: var(--c-text); }
.prose ul, .prose ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin-bottom: .4rem; }
.prose a { color: var(--c-accent); text-decoration: underline; text-underline-offset: 2px; }
.prose a:hover { color: var(--c-primary); }
.prose blockquote {
  border-left: 4px solid var(--c-accent);
  padding: 1rem 1.5rem;
  background: var(--c-secondary);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-block: 1.75rem;
  font-style: italic;
  color: var(--c-primary);
}
.prose img { border-radius: var(--radius); margin-block: 1.5rem; }
.prose code {
  font-size: .9em;
  background: #EEE9E0;
  padding: .15em .45em;
  border-radius: 3px;
  font-family: 'Courier New', monospace;
}
.prose pre { background: var(--c-primary); color: var(--c-secondary); padding: 1.5rem; border-radius: var(--radius-lg); overflow-x: auto; margin-block: 1.5rem; }
.prose pre code { background: none; padding: 0; color: inherit; }
.prose table { width: 100%; border-collapse: collapse; margin-block: 1.5rem; }
.prose th { background: var(--c-primary); color: var(--c-secondary); text-align: left; padding: .65rem 1rem; font-family: var(--ff-title); font-size: .85rem; }
.prose td { padding: .6rem 1rem; border-bottom: 1px solid var(--c-border); }
.prose tr:nth-child(even) td { background: var(--c-secondary); }

/* Signatory / author */
.post-signatory {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 2px solid var(--c-border);
}
.post-signatory-inner {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  background: var(--c-secondary);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--c-accent);
}
.post-signatory-label {
  font-family: var(--ff-title);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: .5rem;
}

/* Related posts */
.related-section {
  background: var(--c-secondary);
  padding-block: clamp(2.5rem, 5vw, 4rem);
  border-top: 1px solid var(--c-border);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

/* =========================================================================
   FOOTER
   ========================================================================= */
.site-footer {
  background: var(--c-text);
  color: rgba(245,240,232,.55);
  padding-block: clamp(1.5rem, 3vw, 2.5rem);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-copy {
  font-family: var(--ff-title);
  font-size: .8rem;
}
.footer-copy a { color: rgba(245,240,232,.7); }
.footer-copy a:hover { color: var(--c-accent); }
.footer-legal {
  font-family: var(--ff-title);
  font-size: .78rem;
  display: flex;
  gap: 1.25rem;
}
.footer-legal a { color: rgba(245,240,232,.55); }
.footer-legal a:hover { color: var(--c-secondary); }

/* =========================================================================
   RESPONSIVE
   ========================================================================= */

/* --- Tablet (≤ 992px) --------------------------------------------------- */
@media (max-width: 992px) {
  .hero-split {
    grid-template-columns: 1fr;
    min-height: auto;
    max-height: none;
  }
  .hero-visual {
    order: -1;
    aspect-ratio: 16/8;
    position: relative;
    min-height: 280px;
  }
  .hero-visual img { position: static; height: 100%; width: 100%; object-fit: cover; }
  .hero-editorial { padding: clamp(2rem, 5vw, 3rem); }
  .hero-h1 { font-size: clamp(2rem, 4vw, 2.8rem); }

  .posts-grid,
  .posts-grid--list,
  .related-grid { grid-template-columns: repeat(2, 1fr); }

  .list-header__inner { flex-direction: column; align-items: flex-start; gap: .5rem; }
}

/* --- Mobile (≤ 640px) --------------------------------------------------- */
@media (max-width: 640px) {
  .nav-menu { display: none; flex-direction: column; align-items: flex-start; gap: 0; }
  .nav-menu.open { display: flex; }
  .nav-inner { flex-wrap: wrap; padding-block: .75rem; }
  .nav-toggle { display: flex; }
  .nav-menu {
    width: 100%;
    background: rgba(0,0,0,.15);
    border-radius: var(--radius);
    padding: .5rem;
    margin-top: .25rem;
  }
  .nav-menu a { width: 100%; padding: .6rem 1rem; }

  .nav-logo img { height: 52px; }

  .posts-grid,
  .posts-grid--list,
  .related-grid { grid-template-columns: 1fr; }

  .hero-editorial { padding: 2rem 1.25rem; }
  .hero-cta-row { flex-direction: column; align-items: flex-start; }

  .section-header { flex-direction: column; align-items: flex-start; gap: .5rem; }

  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-legal { flex-wrap: wrap; gap: .75rem; }

  .list-header__title { font-size: 1.75rem; }
  .post-title { font-size: 1.75rem; }
  .post-layout { padding-inline: 1rem; }
  .post-signatory-inner { flex-direction: column; }
}

/* --- Very small (≤ 400px) ----------------------------------------------- */
@media (max-width: 400px) {
  .nav-logo img { height: 48px; }
  html { font-size: 16px; }
}