/* =========================================================
   Guide Experts-Comptables — Thème Joornal
   CSS Grid + Flexbox pur | Archétype A Split 60/40
   ========================================================= */

/* --- Google Fonts importées via header.html --- */

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

:root {
  --c-primary:   #1B3A5C;
  --c-secondary: #F4F7FB;
  --c-accent:    #2E8B6E;
  --c-accent-lt: #e8f5f1;
  --c-text:      #2C2C2C;
  --c-muted:     #6B7A8D;
  --c-border:    #D8E2ED;
  --c-white:     #FFFFFF;

  --ff-serif: 'Merriweather', Georgia, serif;
  --ff-sans:  'Inter', system-ui, sans-serif;

  --radius:   4px;
  --shadow-sm: 0 1px 4px rgba(27,58,92,0.08);
  --shadow-md: 0 4px 16px rgba(27,58,92,0.12);

  --container: 1200px;
  --container-narrow: 740px;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--ff-sans);
  color: var(--c-text);
  background: var(--c-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--c-accent); }
ul { list-style: none; }

/* ---- Containers ---- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 2rem;
}
.container--narrow {
  width: 100%;
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: 2rem;
}

/* =========================================================
   NAV
   ========================================================= */
.site-nav {
  background: var(--c-primary);
  border-bottom: 3px solid var(--c-accent);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(27,58,92,0.18);
}

.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding-block: 1rem;
}

.site-nav__logo img {
  height: 72px;
  width: auto;
  display: block;
}

.site-nav__menu {
  display: flex;
  align-items: center;
  gap: 0;
}

.site-nav__menu ul {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.site-nav__menu a {
  display: block;
  padding: 0.5rem 1rem;
  font-family: var(--ff-sans);
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.02em;
  border-radius: var(--radius);
  transition: background 0.2s, color 0.2s;
}
.site-nav__menu a:hover {
  background: rgba(255,255,255,0.1);
  color: var(--c-white);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0.5rem;
}
.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--c-white);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* =========================================================
   INDEX — ARCHÉTYPE A : SPLIT 60/40
   ========================================================= */
.hero-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 72vh;
  overflow: hidden;
}

.hero-split__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 5rem 4rem 5rem 0;
  background: var(--c-white);
}

.hero-split__label {
  display: inline-block;
  font-family: var(--ff-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--c-accent);
}

.hero-split__h1 {
  font-family: var(--ff-serif);
  font-size: clamp(2.25rem, 4vw, 3.5rem);
  font-weight: 900;
  line-height: 1.15;
  color: var(--c-primary);
  margin-bottom: 1.5rem;
  text-align: left;
}

.hero-split__baseline {
  font-family: var(--ff-sans);
  font-size: 1.1rem;
  color: var(--c-muted);
  line-height: 1.6;
  margin-bottom: 2rem;
  max-width: 480px;
}

.hero-split__content-text {
  font-size: 1rem;
  color: var(--c-text);
  line-height: 1.8;
  max-width: 520px;
}
.hero-split__content-text p { margin-bottom: 1rem; }
.hero-split__content-text h2,
.hero-split__content-text h3 {
  font-family: var(--ff-serif);
  color: var(--c-primary);
  margin-bottom: 0.5rem;
  margin-top: 1.5rem;
}

.hero-split__image {
  position: relative;
  overflow: hidden;
  background: var(--c-secondary);
  min-height: 480px;
}
.hero-split__image img,
.hero-split__image > a > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

/* =========================================================
   SHOWCASE SECTION
   ========================================================= */
.showcase-section {
  background: var(--c-secondary);
  padding-block: 5rem;
  border-top: 1px solid var(--c-border);
}

.showcase-section__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 3rem;
}

.showcase-section__title {
  font-family: var(--ff-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--c-primary);
}

.showcase-section__link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--c-accent);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
}
.showcase-section__link::after { content: "→"; }

.showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

/* =========================================================
   POST-LOOP — Carte horizontale avec accent gauche
   ========================================================= */
.post-card {
  background: var(--c-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border-left: 4px solid var(--c-accent);
  transition: box-shadow 0.25s, transform 0.25s;
}
.post-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.post-card__thumb {
  aspect-ratio: 16/9;
  overflow: hidden;
  flex-shrink: 0;
}
.post-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.post-card:hover .post-card__thumb img { transform: scale(1.04); }

.post-card__body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.post-card__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.post-card__cat {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-accent);
  background: var(--c-accent-lt);
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
}
.post-card__cat:hover { background: var(--c-accent); color: var(--c-white); }

.post-card__date {
  font-size: 0.78rem;
  color: var(--c-muted);
  font-family: var(--ff-sans);
}

.post-card__title {
  font-family: var(--ff-serif);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-primary);
  line-height: 1.35;
}
.post-card__title:hover { color: var(--c-accent); }

.post-card__excerpt {
  font-size: 0.875rem;
  color: var(--c-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.post-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--c-accent);
  margin-top: 0.5rem;
}
.post-card__cta::after { content: "→"; transition: transform 0.2s; }
.post-card:hover .post-card__cta::after { transform: translateX(4px); }

/* =========================================================
   POST-LIST — Listing articles
   ========================================================= */
.page-hero {
  background: var(--c-primary);
  padding-block: 3.5rem;
  border-bottom: 4px solid var(--c-accent);
}
.page-hero__inner {
  display: flex;
  align-items: flex-end;
  gap: 2rem;
}
.page-hero__label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 0.75rem;
}
.page-hero__title {
  font-family: var(--ff-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--c-white);
  line-height: 1.15;
  text-align: left;
}
.page-hero__count {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  margin-left: auto;
  white-space: nowrap;
  padding-bottom: 0.3rem;
}

.post-list-section {
  padding-block: 4rem;
  background: var(--c-secondary);
}

.post-list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

/* =========================================================
   PAGINATION
   ========================================================= */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.4rem;
  margin-top: 3.5rem;
  flex-wrap: wrap;
}
.pagination a,
.pagination span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  border: 1px solid var(--c-border);
  background: var(--c-white);
  color: var(--c-primary);
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.pagination a:hover {
  background: var(--c-accent);
  color: var(--c-white);
  border-color: var(--c-accent);
}
.pagination .active {
  background: var(--c-primary);
  color: var(--c-white);
  border-color: var(--c-primary);
}

/* =========================================================
   POST DETAIL
   ========================================================= */
.post-breadcrumb {
  background: var(--c-white);
  border-bottom: 1px solid var(--c-border);
  padding-block: 0.75rem;
}
.post-breadcrumb nav {
  font-size: 0.8rem;
  color: var(--c-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.post-breadcrumb a {
  color: var(--c-accent);
  font-weight: 500;
}
.post-breadcrumb a:hover { text-decoration: underline; }

.post-layout {
  padding-block: 3.5rem;
  background: var(--c-white);
}

.post-layout__inner {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 4rem;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 2rem;
}

.post-main { min-width: 0; }

.post-header { margin-bottom: 2rem; }

.post-header__meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.post-header__cat {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-accent);
  background: var(--c-accent-lt);
  padding: 0.25rem 0.75rem;
  border-radius: 2px;
}
.post-header__cat:hover { background: var(--c-accent); color: var(--c-white); }

.post-header__date {
  font-size: 0.85rem;
  color: var(--c-muted);
}

.post-header__reading {
  font-size: 0.85rem;
  color: var(--c-muted);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.post-header__reading::before { content: "·"; }

.post-header__h1 {
  font-family: var(--ff-serif);
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 900;
  color: var(--c-primary);
  line-height: 1.2;
  text-align: left;
  margin-bottom: 1.5rem;
}

.post-thumb {
  margin-bottom: 2.5rem;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.post-thumb img {
  width: 100%;
  aspect-ratio: 16/7;
  object-fit: cover;
}

/* Article body */
.post-content {
  font-family: var(--ff-sans);
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--c-text);
  max-width: 700px;
}
.post-content h2 {
  font-family: var(--ff-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--c-primary);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-left: 1rem;
  border-left: 4px solid var(--c-accent);
}
.post-content h3 {
  font-family: var(--ff-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--c-primary);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}
.post-content h4 {
  font-family: var(--ff-sans);
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-primary);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.post-content p { margin-bottom: 1.25rem; }
.post-content ul, .post-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}
.post-content ul { list-style: disc; }
.post-content ol { list-style: decimal; }
.post-content li { margin-bottom: 0.4rem; }
.post-content a { color: var(--c-accent); text-decoration: underline; font-weight: 500; }
.post-content a:hover { color: var(--c-primary); }
.post-content strong { font-weight: 700; color: var(--c-primary); }
.post-content em { font-style: italic; color: var(--c-muted); }
.post-content blockquote {
  border-left: 4px solid var(--c-accent);
  background: var(--c-accent-lt);
  padding: 1rem 1.5rem;
  margin-block: 2rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-style: italic;
  color: var(--c-primary);
}
.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}
.post-content th {
  background: var(--c-primary);
  color: var(--c-white);
  padding: 0.6rem 1rem;
  text-align: left;
  font-family: var(--ff-sans);
}
.post-content td {
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--c-border);
}
.post-content tr:nth-child(even) td { background: var(--c-secondary); }
.post-content img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  margin-block: 1.5rem;
}
.post-content code {
  background: var(--c-secondary);
  padding: 0.2em 0.4em;
  border-radius: 3px;
  font-size: 0.875em;
}
.post-content pre {
  background: var(--c-primary);
  color: var(--c-white);
  padding: 1.5rem;
  border-radius: var(--radius);
  overflow-x: auto;
  margin-bottom: 1.5rem;
}
.post-content pre code { background: none; padding: 0; font-size: 0.875rem; }

/* Table of contents */
.toc-box {
  background: var(--c-secondary);
  border: 1px solid var(--c-border);
  border-left: 4px solid var(--c-primary);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 2.5rem;
}
.toc-box__title {
  font-family: var(--ff-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.toc-box__title::before { content: "§"; color: var(--c-accent); }

/* Signatory */
.post-signatory {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  background: var(--c-secondary);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-top: 3rem;
}
.post-signatory__avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 3px solid var(--c-accent);
}
.post-signatory__info { flex: 1; }
.post-signatory__name {
  font-family: var(--ff-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: 0.25rem;
}
.post-signatory__bio {
  font-size: 0.875rem;
  color: var(--c-muted);
  line-height: 1.6;
}

/* Sidebar */
.post-sidebar { padding-top: 0.25rem; }

.sidebar-widget {
  background: var(--c-secondary);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 2rem;
}
.sidebar-widget__title {
  font-family: var(--ff-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--c-accent);
}

.sidebar-thumb img {
  width: 100%;
  border-radius: var(--radius);
  aspect-ratio: 16/9;
  object-fit: cover;
}

/* Related posts */
.related-section {
  padding-block: 4rem;
  background: var(--c-secondary);
  border-top: 1px solid var(--c-border);
}
.related-section__title {
  font-family: var(--ff-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: 2rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--c-accent);
  display: inline-block;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  background: var(--c-primary);
  color: rgba(255,255,255,0.7);
  padding-block: 2.5rem;
  border-top: 4px solid var(--c-accent);
}
.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.site-footer__copy {
  font-size: 0.82rem;
  line-height: 1.6;
}
.site-footer__copy a {
  color: var(--c-accent);
  font-weight: 500;
}
.site-footer__copy a:hover { text-decoration: underline; }
.site-footer__badge {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
  text-align: right;
}

/* =========================================================
   UTILITIES
   ========================================================= */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.visually-hidden { @extend .sr-only; }

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

/* md ≤ 992px */
@media (max-width: 992px) {
  .hero-split {
    grid-template-columns: 1fr;
  }
  .hero-split__content {
    padding: 3.5rem 2rem;
    order: 2;
  }
  .hero-split__image {
    order: 1;
    min-height: 340px;
  }
  .hero-split__image img,
  .hero-split__image > a > img {
    position: relative;
    width: 100%;
    height: 340px;
    object-fit: cover;
  }

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

  .post-layout__inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .post-sidebar { border-top: 1px solid var(--c-border); padding-top: 2rem; }
}

/* sm ≤ 720px */
@media (max-width: 720px) {
  .showcase-grid,
  .post-list-grid,
  .related-grid {
    grid-template-columns: 1fr;
  }

  .site-nav__menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--c-primary);
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 1rem;
  }
  .site-nav__menu.is-open { display: block; }
  .site-nav__menu ul {
    flex-direction: column;
    gap: 0;
  }
  .site-nav__menu a {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .nav-toggle { display: flex; }
  .site-nav { position: relative; }

  .site-nav__logo img { height: 52px; }

  .hero-split__h1 {
    font-size: 2rem;
  }

  .page-hero__inner { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
  .page-hero__count { margin-left: 0; }

  .site-footer__inner { flex-direction: column; align-items: flex-start; }
  .site-footer__badge { text-align: left; }
}

/* xs ≤ 480px */
@media (max-width: 480px) {
  .container, .container--narrow { padding-inline: 1rem; }
  .showcase-section { padding-block: 3rem; }
  .post-layout { padding-block: 2rem; }
  .post-layout__inner { padding-inline: 1rem; }
  .hero-split__content { padding: 2.5rem 1rem; }
  .hero-split__h1 { font-size: 1.75rem; }
  .post-header__h1 { font-size: 1.6rem; }
}