/* ─── BLOG SHARED STYLES ─── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --gold: #C9A882;
  --gold-light: #D9BFA0;
  --gold-dark: #A07850;
  --cream: #FAFAF7;
  --cream-2: #F3F1EE;
  --cream-3: #EAE8E4;
  --text: #1A1A1A;
  --text-muted: #7A6E65;
  --nav-bg: rgba(250,250,247,0.96);
  --nav-border: rgba(201,168,130,0.25);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--cream);
  color: var(--text);
  overflow-x: hidden;
}

/* ─── BLOG NAV ─── */
.blog-nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 60px;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--nav-border);
}
.blog-nav .logo img { height: 44px; width: auto; display: block; }
.blog-nav-right { display: flex; align-items: center; gap: 24px; }
.back-link {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; letter-spacing: 2px; text-transform: uppercase;
  font-weight: 500; color: var(--text-muted);
  text-decoration: none;
  transition: color .2s;
}
.back-link svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; }
.back-link:hover { color: var(--gold); }
.btn-devis {
  font-family: 'DM Sans', sans-serif;
  font-size: 10px; letter-spacing: 2px; text-transform: uppercase;
  font-weight: 600; color: var(--cream);
  background: var(--text); border: none;
  padding: 10px 20px; cursor: pointer;
  text-decoration: none;
  transition: background .2s;
}
.btn-devis:hover { background: var(--gold-dark); }

/* ─── BLOG INDEX ─── */
.blog-hero {
  padding: 80px 60px 60px;
  max-width: 1100px; margin: 0 auto;
}
.blog-hero-label {
  font-size: 10px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--gold); font-weight: 600;
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 16px;
}
.blog-hero-label::before {
  content: ''; width: 32px; height: 1px; background: var(--gold);
}
.blog-hero-title {
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 300; letter-spacing: 0.10em; text-transform: uppercase;
  color: var(--text); line-height: 1.15;
  margin-bottom: 16px;
}
.blog-hero-sub {
  font-size: 16px; color: var(--text-muted); line-height: 1.7;
  max-width: 520px;
}

/* ─── FILTERS ─── */
.blog-filters {
  padding: 0 60px 40px;
  max-width: 1100px; margin: 0 auto;
  display: flex; gap: 8px; flex-wrap: wrap;
}
.filter-btn {
  font-family: 'DM Sans', sans-serif;
  font-size: 10px; letter-spacing: 2px; text-transform: uppercase;
  font-weight: 600; cursor: pointer;
  padding: 8px 18px; border-radius: 20px;
  border: 1px solid rgba(201,168,130,0.35);
  background: transparent; color: var(--text-muted);
  transition: all .2s;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--text); color: var(--cream);
  border-color: var(--text);
}
.filter-btn[data-filter="Conseil"].active { background: #5C7A5C; border-color: #5C7A5C; }
.filter-btn[data-filter="Entretien"].active { background: #7A5C3A; border-color: #7A5C3A; }
.filter-btn[data-filter="Pose"].active { background: #3A5C7A; border-color: #3A5C7A; }
.filter-btn[data-filter="Finitions"].active { background: #7A3A5C; border-color: #7A3A5C; }
.filter-btn[data-filter="Matériaux"].active { background: #5C5C3A; border-color: #5C5C3A; }
.filter-btn[data-filter="Prix"].active { background: #3A5C3A; border-color: #3A5C3A; }

/* ─── CARD GRID ─── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 0 60px 80px;
  max-width: 1100px; margin: 0 auto;
}
.article-card {
  background: #fff;
  border: 1px solid rgba(201,168,130,0.18);
  border-radius: 2px;
  display: flex; flex-direction: column;
  text-decoration: none; color: inherit;
  transition: transform .25s, box-shadow .25s;
  overflow: hidden;
}
.article-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
}
.card-img {
  width: 100%; height: 180px; background: var(--cream-3);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.card-img svg { width: 48px; height: 48px; stroke: var(--gold); fill: none; stroke-width: 1.2; opacity: .5; }
.card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; gap: 12px; }
.card-meta { display: flex; align-items: center; gap: 12px; }
.card-tag {
  font-size: 9px; letter-spacing: 2px; text-transform: uppercase;
  font-weight: 600; padding: 4px 10px; border-radius: 20px;
  color: #fff;
}
.tag-Conseil { background: #5C7A5C; }
.tag-Entretien { background: #7A5C3A; }
.tag-Pose { background: #3A5C7A; }
.tag-Finitions { background: #7A3A5C; }
.tag-Matériaux { background: #5C5C3A; }
.tag-Prix { background: #3A5C3A; }
.card-read-time { font-size: 10px; color: var(--text-muted); letter-spacing: 1px; }
.card-title {
  font-size: 16px; font-weight: 500; line-height: 1.4;
  color: var(--text);
}
.card-excerpt { font-size: 13px; color: var(--text-muted); line-height: 1.6; flex: 1; }
.card-cta {
  font-size: 10px; letter-spacing: 2px; text-transform: uppercase;
  font-weight: 600; color: var(--gold);
  display: flex; align-items: center; gap: 6px;
  margin-top: 4px;
}
.card-cta svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2; transition: transform .2s; }
.article-card:hover .card-cta svg { transform: translateX(4px); }

/* ─── ARTICLE PAGE ─── */
.article-hero {
  background: var(--cream-2);
  padding: 64px 60px 48px;
  border-bottom: 1px solid var(--cream-3);
}
.article-hero-inner { max-width: 760px; margin: 0 auto; }
.article-breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 11px; color: var(--text-muted);
  margin-bottom: 24px;
}
.article-breadcrumb a { color: var(--text-muted); text-decoration: none; }
.article-breadcrumb a:hover { color: var(--gold); }
.article-breadcrumb span { opacity: .4; }
.article-category-tag {
  display: inline-block;
  font-size: 9px; letter-spacing: 2.5px; text-transform: uppercase;
  font-weight: 600; padding: 5px 12px; border-radius: 20px;
  color: #fff; margin-bottom: 16px;
}
.article-title {
  font-size: clamp(26px, 3.5vw, 42px);
  font-weight: 300; letter-spacing: 0.06em; text-transform: uppercase;
  line-height: 1.2; margin-bottom: 16px;
}
.article-intro {
  font-size: 17px; color: var(--text-muted); line-height: 1.7;
}
.article-meta-bar {
  display: flex; align-items: center; gap: 20px;
  margin-top: 28px; padding-top: 20px;
  border-top: 1px solid var(--cream-3);
  font-size: 11px; color: var(--text-muted); letter-spacing: 1px;
}
.article-meta-bar span { display: flex; align-items: center; gap: 6px; }
.article-meta-bar svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 1.8; }

/* ─── ARTICLE BODY ─── */
.article-body {
  max-width: 760px; margin: 0 auto;
  padding: 56px 60px 80px;
}
.article-body h2 {
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 500; letter-spacing: 0.04em;
  text-transform: uppercase; margin: 48px 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--cream-3);
  color: var(--text);
}
.article-body h3 {
  font-size: 17px; font-weight: 500;
  margin: 32px 0 12px; color: var(--text);
}
.article-body p {
  font-size: 16px; line-height: 1.8; color: #3A3A3A;
  margin-bottom: 20px;
}
.article-body ul, .article-body ol {
  padding-left: 24px; margin-bottom: 20px;
}
.article-body li {
  font-size: 16px; line-height: 1.7; color: #3A3A3A;
  margin-bottom: 8px;
}
.article-body strong { color: var(--text); font-weight: 600; }
.article-body a { color: var(--gold-dark); text-decoration: underline; text-underline-offset: 3px; }
.article-body a:hover { color: var(--gold); }

.article-highlight {
  background: var(--cream-2);
  border-left: 3px solid var(--gold);
  padding: 20px 24px; margin: 32px 0;
  border-radius: 0 4px 4px 0;
}
.article-highlight p { margin-bottom: 0; font-style: italic; }

.article-tip {
  background: rgba(201,168,130,0.08);
  border: 1px solid rgba(201,168,130,0.25);
  border-radius: 4px; padding: 20px 24px; margin: 32px 0;
}
.article-tip-label {
  font-size: 9px; letter-spacing: 2.5px; text-transform: uppercase;
  font-weight: 700; color: var(--gold); margin-bottom: 8px;
}

/* ─── ARTICLE CTA ─── */
.article-cta-block {
  background: var(--text); color: var(--cream);
  padding: 48px 60px; text-align: center;
}
.article-cta-block h3 {
  font-size: 22px; font-weight: 300; letter-spacing: 0.08em;
  text-transform: uppercase; margin-bottom: 12px; color: var(--cream);
}
.article-cta-block p { font-size: 15px; color: rgba(250,250,247,0.65); margin-bottom: 28px; }
.article-cta-block a {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--gold); color: var(--text);
  font-size: 11px; letter-spacing: 2px; text-transform: uppercase;
  font-weight: 600; text-decoration: none;
  padding: 14px 32px; transition: background .2s;
}
.article-cta-block a:hover { background: var(--gold-light); }
.article-cta-block a svg { width: 16px; height: 16px; stroke: currentColor; fill: none; }

/* ─── RELATED ARTICLES ─── */
.related-section {
  max-width: 1100px; margin: 0 auto;
  padding: 64px 60px;
}
.related-label {
  font-size: 10px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--gold); font-weight: 600;
  display: flex; align-items: center; gap: 12px; margin-bottom: 32px;
}
.related-label::before { content: ''; width: 32px; height: 1px; background: var(--gold); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

/* ─── BLOG FOOTER ─── */
.blog-footer {
  background: var(--cream-3);
  padding: 40px 60px;
  display: flex; align-items: center; justify-content: space-between;
  border-top: 1px solid rgba(201,168,130,0.2);
}
.blog-footer p { font-size: 12px; color: var(--text-muted); letter-spacing: 1px; }
.blog-footer a { color: var(--gold); text-decoration: none; font-size: 12px; letter-spacing: 1px; }

/* ─── RESPONSIVE ─── */
@media (max-width: 1024px) {
  .blog-grid, .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .blog-nav { padding: 12px 20px; }
  .blog-hero, .blog-filters { padding-left: 20px; padding-right: 20px; }
  .blog-grid { grid-template-columns: 1fr; padding: 0 20px 60px; gap: 16px; }
  .article-hero { padding: 40px 20px 32px; }
  .article-body { padding: 40px 20px 60px; }
  .article-cta-block { padding: 40px 20px; }
  .related-section { padding: 40px 20px; }
  .related-grid { grid-template-columns: 1fr; gap: 16px; }
  .blog-footer { padding: 24px 20px; flex-direction: column; gap: 12px; text-align: center; }
}