/*
Theme Name: CultureObs
Theme URI: https://github.com/fgaurat/wptheme-cultureobs
Author: Fred
Author URI: https://github.com/fgaurat
Description: Thème WordPress inspiré du Nouvel Observateur — presse en ligne, élégant, lisible, axé contenu éditorial.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: cultureobs
Tags: news, magazine, blog, responsive, custom-menu, featured-images, post-formats
*/

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

:root {
  --color-primary:     #e2001a;   /* rouge signature Obs */
  --color-dark:        #1a1a1a;
  --color-text:        #2d2d2d;
  --color-muted:       #666666;
  --color-border:      #e0e0e0;
  --color-bg:          #f5f5f5;
  --color-white:       #ffffff;
  --color-header-bg:   #1a1a1a;
  --color-nav-bg:      #222222;
  --font-serif:        'Georgia', 'Times New Roman', serif;
  --font-sans:         'Helvetica Neue', Arial, sans-serif;
  --max-width:         1280px;
  --content-width:     860px;
  --sidebar-width:     300px;
  --gap:               24px;
}

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

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* ============================================================
   TOPBAR (breaking / branding)
   ============================================================ */
.topbar {
  background: var(--color-primary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 5px 0;
}
.topbar__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gap);
  display: flex;
  align-items: center;
  gap: 16px;
}
.topbar__label {
  background: #fff;
  color: var(--color-primary);
  padding: 2px 8px;
  border-radius: 2px;
  font-size: 0.65rem;
}
.topbar__ticker { flex: 1; overflow: hidden; white-space: nowrap; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  background: var(--color-header-bg);
  color: #fff;
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}
.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gap);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.site-branding { display: flex; flex-direction: column; gap: 2px; }
.site-title {
  font-family: var(--font-serif);
  font-size: 1.9rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  letter-spacing: -0.02em;
}
.site-title span { color: var(--color-primary); }
.site-description {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.5);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.header-actions { display: flex; align-items: center; gap: 12px; }
.btn-subscribe {
  background: var(--color-primary);
  color: #fff;
  border: none;
  padding: 8px 18px;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  border-radius: 2px;
  transition: background 0.2s;
}
.btn-subscribe:hover { background: #c0001a; }
.btn-search {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  width: 36px; height: 36px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  transition: border-color 0.2s;
}
.btn-search:hover { border-color: var(--color-primary); }

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-nav {
  background: var(--color-nav-bg);
  border-top: 1px solid rgba(255,255,255,0.08);
}
.site-nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gap);
  display: flex;
  align-items: center;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.site-nav__inner::-webkit-scrollbar { display: none; }

.site-nav a {
  color: rgba(255,255,255,0.8);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 12px 16px;
  display: block;
  white-space: nowrap;
  transition: color 0.2s;
  border-bottom: 3px solid transparent;
}
.site-nav a:hover,
.site-nav .current-menu-item a {
  color: #fff;
  border-bottom-color: var(--color-primary);
}

/* ============================================================
   HERO / UNE
   ============================================================ */
.hero {
  background: var(--color-dark);
  padding: 32px 0;
}
.hero__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gap);
  display: grid;
  grid-template-columns: 2fr 1fr;
  grid-template-rows: auto auto;
  gap: 4px;
}

/* Article hero principal */
.hero__main {
  grid-column: 1;
  grid-row: 1 / 3;
  position: relative;
  overflow: hidden;
}
.hero__main img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  transition: transform 0.4s;
}
.hero__main:hover img { transform: scale(1.02); }
.hero__main .article-overlay {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.85));
  padding: 48px 24px 24px;
  color: #fff;
}
.hero__main .article-overlay .cat { color: var(--color-primary); margin-bottom: 8px; }
.hero__main .article-overlay h2 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  line-height: 1.25;
  font-weight: 700;
  margin-bottom: 8px;
}
.hero__main .article-overlay .excerpt {
  font-size: 0.9rem;
  opacity: 0.85;
  line-height: 1.5;
}

/* Articles secondaires hero */
.hero__side {
  grid-column: 2;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hero__side-item {
  position: relative;
  overflow: hidden;
  flex: 1;
}
.hero__side-item img {
  width: 100%;
  height: 100%;
  min-height: 180px;
  object-fit: cover;
  transition: transform 0.4s;
}
.hero__side-item:hover img { transform: scale(1.03); }
.hero__side-item .article-overlay {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  padding: 32px 16px 16px;
  color: #fff;
}
.hero__side-item .article-overlay .cat { color: var(--color-primary); font-size: 0.72rem; }
.hero__side-item .article-overlay h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  line-height: 1.3;
  font-weight: 700;
}

/* ============================================================
   BREAKING NEWS BAND
   ============================================================ */
.breaking-band {
  background: var(--color-primary);
  color: #fff;
  padding: 10px 0;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.breaking-band__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gap);
  display: flex;
  align-items: center;
  gap: 16px;
}
.breaking-band__label {
  background: #fff;
  color: var(--color-primary);
  padding: 3px 10px;
  border-radius: 2px;
  white-space: nowrap;
}
.breaking-band__text { flex: 1; }

/* ============================================================
   MAIN LAYOUT
   ============================================================ */
.site-main {
  max-width: var(--max-width);
  margin: 32px auto;
  padding: 0 var(--gap);
  display: grid;
  grid-template-columns: 1fr var(--sidebar-width);
  gap: 40px;
}

/* ============================================================
   SECTION TITLE
   ============================================================ */
.section-title {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  border-bottom: 3px solid var(--color-primary);
  padding-bottom: 6px;
  margin-bottom: 20px;
  display: inline-block;
}

/* ============================================================
   ARTICLE CARDS
   ============================================================ */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.article-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  transition: box-shadow 0.2s;
  display: flex;
  flex-direction: column;
}
.article-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.1); }

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

.article-card__body { padding: 16px; flex: 1; display: flex; flex-direction: column; gap: 8px; }

.article-card__cat {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
}

.article-card__title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  line-height: 1.35;
  font-weight: 700;
  color: var(--color-dark);
}
.article-card__title:hover { color: var(--color-primary); }

.article-card__excerpt {
  font-size: 0.85rem;
  color: var(--color-muted);
  line-height: 1.5;
  flex: 1;
}

.article-card__meta {
  font-size: 0.72rem;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  border-top: 1px solid var(--color-border);
  padding-top: 8px;
  margin-top: auto;
}
.article-card__meta .author { font-weight: 600; }
.article-card__meta .sep { color: var(--color-border); }

/* Article liste horizontale */
.article-list { display: flex; flex-direction: column; gap: 0; }
.article-list-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border);
  align-items: start;
}
.article-list-item:last-child { border-bottom: none; }
.article-list-item__thumb { aspect-ratio: 4/3; overflow: hidden; }
.article-list-item__thumb img { width: 100%; height: 100%; object-fit: cover; }
.article-list-item__cat {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 4px;
}
.article-list-item__title {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  line-height: 1.35;
  font-weight: 700;
  margin-bottom: 4px;
}
.article-list-item__title:hover { color: var(--color-primary); }
.article-list-item__meta { font-size: 0.7rem; color: var(--color-muted); }

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar { display: flex; flex-direction: column; gap: 32px; }

.widget {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 20px;
}
.widget__title {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 8px;
  margin-bottom: 16px;
}

/* Widget populaires */
.widget-popular__item {
  display: flex;
  gap: 4px;
  align-items: baseline;
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.85rem;
}
.widget-popular__item:last-child { border-bottom: none; }
.widget-popular__num {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-border);
  line-height: 1;
  min-width: 32px;
}
.widget-popular__title { font-family: var(--font-serif); line-height: 1.3; font-weight: 700; }
.widget-popular__title:hover { color: var(--color-primary); }

/* Widget newsletter */
.widget-newsletter { background: var(--color-dark); color: #fff; border: none; }
.widget-newsletter .widget__title { color: var(--color-primary); border-bottom-color: var(--color-primary); }
.widget-newsletter p { font-size: 0.85rem; opacity: 0.8; margin-bottom: 16px; line-height: 1.5; }
.widget-newsletter input[type="email"] {
  width: 100%;
  padding: 10px 12px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: #fff;
  font-size: 0.85rem;
  margin-bottom: 8px;
  border-radius: 2px;
}
.widget-newsletter input[type="email"]::placeholder { color: rgba(255,255,255,0.4); }
.widget-newsletter button {
  width: 100%;
  background: var(--color-primary);
  color: #fff;
  border: none;
  padding: 10px;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  border-radius: 2px;
  transition: background 0.2s;
}
.widget-newsletter button:hover { background: #c0001a; }

/* Widget tags */
.widget-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.widget-tags a {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 4px 10px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-text);
  border-radius: 2px;
  transition: all 0.2s;
}
.widget-tags a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}

/* ============================================================
   RUBAN SECTION (séparateur thématique)
   ============================================================ */
.section-band {
  background: var(--color-dark);
  color: #fff;
  padding: 6px 0;
  margin-bottom: 24px;
}
.section-band__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gap);
  display: flex;
  align-items: center;
  gap: 16px;
}
.section-band__name {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.section-band__line { flex: 1; height: 1px; background: rgba(255,255,255,0.15); }

/* ============================================================
   PAGE ARTICLE (single.php)
   ============================================================ */
.article-single {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gap);
  display: grid;
  grid-template-columns: 1fr var(--sidebar-width);
  gap: 40px;
}

.article-single__main {}

.article-header { margin-bottom: 32px; }
.article-header__cat {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: 10px;
  display: block;
}
.article-header__title {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: 16px;
}
.article-header__deck {
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--color-muted);
  font-family: var(--font-serif);
  font-style: italic;
  border-left: 4px solid var(--color-primary);
  padding-left: 16px;
  margin-bottom: 20px;
  line-height: 1.5;
}
.article-header__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--color-muted);
  padding: 12px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.article-header__meta .author { font-weight: 700; color: var(--color-text); }
.article-header__share { display: flex; gap: 8px; margin-left: auto; }
.share-btn {
  padding: 5px 12px;
  font-size: 0.72rem;
  font-weight: 700;
  border-radius: 2px;
  cursor: pointer;
  border: none;
  color: #fff;
}
.share-btn--fb { background: #1877f2; }
.share-btn--tw { background: #1da1f2; }
.share-btn--wa { background: #25d366; }

.article-featured-img { margin-bottom: 24px; }
.article-featured-img img { width: 100%; max-height: 500px; object-fit: cover; }
.article-featured-img figcaption {
  font-size: 0.75rem;
  color: var(--color-muted);
  padding: 6px 0;
  border-bottom: 1px solid var(--color-border);
  font-style: italic;
}

/* Corps de l'article */
.article-content {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text);
}
.article-content p { margin-bottom: 1.4em; }
.article-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 2em 0 0.8em;
  color: var(--color-dark);
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-border);
}
.article-content h3 { font-size: 1.2rem; font-weight: 700; margin: 1.5em 0 0.6em; color: var(--color-dark); }
.article-content blockquote {
  border-left: 4px solid var(--color-primary);
  padding: 16px 24px;
  margin: 2em 0;
  background: var(--color-bg);
  font-style: italic;
  font-size: 1.1rem;
  color: var(--color-dark);
}
.article-content a { color: var(--color-primary); text-decoration: underline; }
.article-content ul, .article-content ol { margin: 1.2em 0 1.2em 2em; }
.article-content li { margin-bottom: 0.5em; }

/* ============================================================
   PAYWALL TEASER
   ============================================================ */
.paywall-teaser {
  position: relative;
  overflow: hidden;
}
.paywall-teaser__fade {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 200px;
  background: linear-gradient(transparent, var(--color-white));
  pointer-events: none;
}
.paywall-box {
  border: 2px solid var(--color-primary);
  padding: 32px;
  text-align: center;
  background: var(--color-white);
  margin-top: 24px;
}
.paywall-box__icon { font-size: 2rem; margin-bottom: 12px; }
.paywall-box__title { font-family: var(--font-serif); font-size: 1.4rem; font-weight: 700; margin-bottom: 8px; }
.paywall-box__sub { font-size: 0.9rem; color: var(--color-muted); margin-bottom: 20px; }
.paywall-box__btn {
  background: var(--color-primary);
  color: #fff;
  border: none;
  padding: 12px 32px;
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  border-radius: 2px;
  display: inline-block;
  transition: background 0.2s;
}
.paywall-box__btn:hover { background: #c0001a; }

/* ============================================================
   TAGS & RELATED
   ============================================================ */
.post-tags { margin: 32px 0 16px; display: flex; flex-wrap: wrap; gap: 8px; }
.post-tags a {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 5px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text);
  border-radius: 2px;
  transition: all 0.2s;
}
.post-tags a:hover { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

.related-articles { margin-top: 48px; }
.related-articles .section-title { display: block; width: 100%; }

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 32px 0;
}
.pagination a, .pagination span {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--color-border);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-white);
  border-radius: 2px;
  transition: all 0.2s;
}
.pagination a:hover { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.pagination .current { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.7);
  padding: 48px 0 24px;
  margin-top: 64px;
}
.footer-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gap);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 24px;
}
.footer-brand .site-title { font-size: 1.4rem; margin-bottom: 12px; }
.footer-brand p { font-size: 0.82rem; line-height: 1.6; max-width: 280px; }
.footer-col h4 {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: #fff;
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
  padding: 4px 0;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--color-primary); }

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gap);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--color-primary); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  :root { --sidebar-width: 260px; }
  .hero__inner { grid-template-columns: 3fr 2fr; }
  .articles-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
}

@media (max-width: 768px) {
  .site-main, .article-single { grid-template-columns: 1fr; }
  .hero__inner { grid-template-columns: 1fr; }
  .hero__side { display: none; }
  .hero__main img { height: 300px; }
  .hero__main .article-overlay h2 { font-size: 1.3rem; }
  .articles-grid { grid-template-columns: 1fr; }
  .site-header__inner { flex-wrap: wrap; }
  .article-header__title { font-size: 1.7rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
  :root { --gap: 16px; }
  .site-title { font-size: 1.4rem; }
  .topbar { display: none; }
}