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

:root {
    --noir: #0a0a0a;
    --blanc: #fafaf8;
    --creme: #f5f0e8;
    --rouge: #c0392b;
    --rouge-doux: #e74c3c;
    --rouge-sombre: #922b21;
    --vert: #1a5c38;
    --vert-clair: #27ae60;
    --gris: #6b7280;
    --gris-clair: #e5e5e5;
    --basque-rouge: #d63031;
    --basque-vert: #00695c;
    --or: #d4a853;
    --ombre: 0 4px 30px rgba(0,0,0,0.08);
    --ombre-forte: 0 20px 60px rgba(0,0,0,0.12);
    --radius: 16px;
    --radius-sm: 10px;
    --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--blanc);
    color: var(--noir);
    line-height: 1.7;
    overflow-x: hidden;
}

/* ═══════════════════════════════════════
   NAVBAR
═══════════════════════════════════════ */
nav {
    position: fixed; top: 0; width: 100%; z-index: 1000;
    padding: 1rem 2rem; transition: var(--transition);
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 30px rgba(0,0,0,0.06);
}
nav .nav-inner {
    max-width: 1200px; margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
}
nav .logo {
    font-family: 'Playfair Display', serif; font-size: 1.5rem;
    font-weight: 700; color: var(--noir); text-decoration: none; letter-spacing: -0.02em;
}
nav .logo span { color: var(--basque-rouge); }
nav .nav-links {
    display: flex; gap: 2rem; list-style: none; align-items: center;
}
nav .nav-links a {
    text-decoration: none; color: var(--noir); font-size: 0.9rem;
    font-weight: 500; letter-spacing: 0.02em; transition: var(--transition);
    position: relative;
}
nav .nav-links a::after {
    content: ''; position: absolute; bottom: -4px; left: 0;
    width: 0; height: 2px; background: var(--basque-rouge); transition: var(--transition);
}
nav .nav-links a:hover::after { width: 100%; }
nav .nav-links a.active::after { width: 100%; }
nav .nav-cta {
    background: var(--basque-rouge); color: white !important;
    padding: 0.6rem 1.4rem; border-radius: 50px;
    font-weight: 600; font-size: 0.85rem; transition: var(--transition);
}
nav .nav-cta::after { display: none !important; }
nav .nav-cta:hover { background: var(--rouge-sombre); transform: translateY(-1px); }

/* ═══════════════════════════════════════
   SHARED
═══════════════════════════════════════ */
section { padding: 6rem 2rem; }
.section-header { text-align: center; max-width: 680px; margin: 0 auto 4rem; }
.section-tag {
    display: inline-block; font-size: 0.78rem; font-weight: 700;
    letter-spacing: 0.15em; text-transform: uppercase; color: var(--basque-rouge);
    margin-bottom: 1rem;
}
.section-header h2 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 3.5vw, 2.8rem); font-weight: 700;
    letter-spacing: -0.02em; line-height: 1.2; margin-bottom: 1rem;
}
.section-header p { color: var(--gris); font-size: 1.05rem; }
.container { max-width: 1200px; margin: 0 auto; }

.btn {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 1rem 2rem; border-radius: 50px; font-size: 0.95rem;
    font-weight: 600; text-decoration: none; transition: var(--transition);
    cursor: pointer; border: none;
}
.btn-primary {
    background: var(--basque-rouge); color: white;
    box-shadow: 0 4px 20px rgba(214,48,49,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(214,48,49,0.4); }
.btn-secondary { background: transparent; color: var(--noir); border: 2px solid var(--gris-clair); }
.btn-secondary:hover { border-color: var(--noir); transform: translateY(-2px); }

/* ═══════════════════════════════════════
   HERO BLOG
═══════════════════════════════════════ */
.hero-blog {
    min-height: 52vh; display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    position: relative; overflow: hidden;
    background: linear-gradient(135deg, #fdfcfa 0%, #f0ebe0 50%, #e8dfd0 100%);
    padding: 8rem 2rem 4rem;
    text-align: center;
}
.hero-blog::before {
    content: ''; position: absolute; top: -20%; right: -10%;
    width: 700px; height: 700px;
    background: radial-gradient(circle, rgba(214,48,49,0.06) 0%, transparent 70%);
    border-radius: 50%;
}
.hero-blog::after {
    content: ''; position: absolute; bottom: -10%; left: -5%;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(0,105,92,0.05) 0%, transparent 70%);
    border-radius: 50%;
}
.hero-blog-inner { position: relative; z-index: 2; max-width: 700px; }
.hero-blog .badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    background: rgba(0,105,92,0.08); color: var(--basque-vert);
    padding: 0.5rem 1rem; border-radius: 50px;
    font-size: 0.82rem; font-weight: 600; letter-spacing: 0.04em;
    margin-bottom: 1.5rem;
}
.hero-blog h1 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.4rem, 5vw, 3.8rem); font-weight: 700;
    line-height: 1.1; letter-spacing: -0.03em; margin-bottom: 1.2rem;
}
.hero-blog h1 em { font-style: italic; color: var(--basque-rouge); }
.hero-blog p {
    font-size: 1.1rem; color: var(--gris); margin-bottom: 0.5rem;
}

/* ═══════════════════════════════════════
   FILTRES / CATÉGORIES
═══════════════════════════════════════ */
.filtres {
    background: var(--blanc);
    padding: 2.5rem 2rem 0;
}
.filtres-inner {
    max-width: 1200px; margin: 0 auto;
    display: flex; gap: 0.8rem; flex-wrap: wrap; justify-content: center;
}
.filtre-btn {
    padding: 0.5rem 1.2rem; border-radius: 50px;
    font-size: 0.82rem; font-weight: 600; cursor: pointer;
    border: 2px solid var(--gris-clair); background: white;
    color: var(--gris); transition: var(--transition);
    font-family: 'DM Sans', sans-serif; letter-spacing: 0.02em;
}
.filtre-btn:hover,
.filtre-btn.active {
    border-color: var(--basque-rouge);
    color: var(--basque-rouge);
    background: rgba(214,48,49,0.04);
}

/* ═══════════════════════════════════════
   ARTICLES GRID
═══════════════════════════════════════ */
.articles { background: var(--blanc); padding-top: 3rem; }
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

/* ── Carte article ── */
.article-card {
    background: white; border-radius: var(--radius);
    border: 1px solid #eee; transition: var(--transition);
    overflow: hidden; display: flex; flex-direction: column;
}
.article-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--ombre-forte);
    border-color: transparent;
}

/* Vignette image placeholder */
.article-thumb {
    height: 200px; background: var(--creme);
    display: flex; align-items: center; justify-content: center;
    font-size: 3rem; position: relative; overflow: hidden;
    flex-shrink: 0;
}
.article-thumb::after {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--basque-rouge), var(--basque-vert));
}
/* Couleurs d'accent différentes par catégorie */
.article-thumb.code    { background: linear-gradient(135deg, #fff5f5, #ffe0e0); }
.article-thumb.conduite { background: linear-gradient(135deg, #f0f9f5, #d4ede5); }
.article-thumb.conseils { background: linear-gradient(135deg, #fdfaf0, #f5edca); }
.article-thumb.regle   { background: linear-gradient(135deg, #f0f4ff, #dbe5ff); }
.article-thumb.tarifs  { background: linear-gradient(135deg, #fff8f0, #fce3c0); }
.article-thumb.aac     { background: linear-gradient(135deg, #f0fffe, #c8f0ec); }
.article-thumb.outils  { background: linear-gradient(135deg, #f5f0ff, #e5d5ff); }

.article-body { padding: 1.8rem; flex: 1; display: flex; flex-direction: column; }

.article-meta {
    display: flex; align-items: center; gap: 1rem;
    margin-bottom: 0.9rem; flex-wrap: wrap;
}
.article-cat {
    display: inline-block; background: var(--creme); color: var(--noir);
    padding: 0.3rem 0.9rem; border-radius: 50px; font-size: 0.72rem;
    font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
}
.article-cat.rouge  { background: rgba(214,48,49,0.08); color: var(--basque-rouge); }
.article-cat.vert   { background: rgba(0,105,92,0.08);  color: var(--basque-vert); }
.article-cat.or     { background: rgba(212,168,83,0.15); color: #8a6a1a; }
.article-cat.bleu   { background: rgba(63,94,251,0.08); color: #2d3fb5; }
.article-cat.violet { background: rgba(124,58,237,0.08); color: #6d28d9; }

.article-date { font-size: 0.78rem; color: var(--gris); }

.article-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.18rem; font-weight: 700; line-height: 1.35;
    margin-bottom: 0.7rem; color: var(--noir);
}
.article-excerpt {
    font-size: 0.88rem; color: var(--gris);
    line-height: 1.7; flex: 1;
}

.article-footer {
    display: flex; align-items: center; justify-content: space-between;
    margin-top: 1.5rem; padding-top: 1.2rem;
    border-top: 1px solid var(--gris-clair);
}
.article-reading {
    font-size: 0.78rem; color: var(--gris);
    display: flex; align-items: center; gap: 0.4rem;
}
.article-link {
    font-size: 0.85rem; font-weight: 700;
    color: var(--basque-rouge); text-decoration: none;
    display: inline-flex; align-items: center; gap: 0.3rem;
    transition: var(--transition);
}
.article-link:hover { gap: 0.6rem; }

/* ── Carte featured (1re carte en pleine largeur) ── */
.article-card.featured {
    grid-column: 1 / -1;
    flex-direction: row;
}
.article-card.featured .article-thumb {
    width: 420px; height: auto; min-height: 260px; flex-shrink: 0;
    font-size: 4rem;
}
.article-card.featured .article-title { font-size: 1.7rem; }
.article-card.featured .article-excerpt { font-size: 0.95rem; }

/* ═══════════════════════════════════════
   PAGINATION / CHARGEMENT
═══════════════════════════════════════ */
.pagination {
    text-align: center; margin-top: 3.5rem; padding-top: 2rem;
    border-top: 1px solid var(--gris-clair);
}
.pagination p { color: var(--gris); font-size: 0.9rem; margin-bottom: 1.5rem; }

/* ═══════════════════════════════════════
   CTA BANNER
═══════════════════════════════════════ */
.cta-banner {
    background: linear-gradient(135deg, var(--basque-rouge) 0%, var(--rouge-sombre) 100%);
    color: white; text-align: center; padding: 5rem 2rem;
    position: relative; overflow: hidden;
}
.cta-banner::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.cta-banner h2 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 3.5vw, 2.8rem); font-weight: 700;
    margin-bottom: 1rem; position: relative;
}
.cta-banner p {
    font-size: 1.1rem; opacity: 0.85; margin-bottom: 2rem;
    max-width: 500px; margin-left: auto; margin-right: auto; position: relative;
}
.cta-banner .btn { background: white; color: var(--basque-rouge); font-weight: 700; position: relative; }
.cta-banner .btn:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0,0,0,0.2); }

/* ═══════════════════════════════════════
   FOOTER
═══════════════════════════════════════ */
footer { background: var(--noir); color: white; padding: 4rem 2rem 2rem; }
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer-brand .logo { font-family: 'Playfair Display', serif; font-size: 1.5rem; font-weight: 700; color: white; margin-bottom: 1rem; display: block; }
.footer-brand .logo span { color: var(--basque-rouge); }
.footer-brand p { color: rgba(255,255,255,0.5); font-size: 0.88rem; line-height: 1.7; }
.footer-col h4 { font-size: 0.82rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 1.2rem; color: rgba(255,255,255,0.4); }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.6rem; }
.footer-col ul a { color: rgba(255,255,255,0.7); text-decoration: none; font-size: 0.9rem; transition: var(--transition); }
.footer-col ul a:hover { color: white; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08); padding-top: 2rem;
    display: flex; justify-content: space-between; align-items: center;
    font-size: 0.82rem; color: rgba(255,255,255,0.35);
}

/* ═══════════════════════════════════════
   ANIMATIONS
═══════════════════════════════════════ */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ═══════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════ */
@media (max-width: 1024px) {
    .articles-grid { grid-template-columns: repeat(2, 1fr); }
    .article-card.featured { flex-direction: column; grid-column: auto; }
    .article-card.featured .article-thumb { width: 100%; min-height: 200px; }
    .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    nav { padding: 0.6rem 1rem; }
    .nav-inner { flex-direction: column; align-items: stretch; gap: 0; }
    nav .logo {
        white-space: nowrap; font-size: 1.2rem;
        padding-bottom: 0.35rem;
    }
    .nav-links {
        display: flex !important; flex-direction: row;
        gap: 1rem; overflow-x: auto; flex-wrap: nowrap;
        padding-bottom: 0; width: 100%;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none; -ms-overflow-style: none;
    }
    .nav-links::-webkit-scrollbar { display: none; }
    .nav-links li { flex-shrink: 0; }
    .nav-links a { font-size: 0.82rem; }
    .articles-grid { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
    section { padding: 4rem 1.2rem; }
    .filtres { padding: 2rem 1.2rem 0; }
}