/* Ouvria Blog, shared styles
   Fonts: Sora (display) + Inter (body)
   Couleurs: orange #EA580C, slate #0F172A
*/

:root {
  --orange: #EA580C;
  --orange-dark: #C2410C;
  --orange-soft: #FFF7ED;
  --slate-900: #0F172A;
  --slate-800: #1E293B;
  --slate-700: #334155;
  --slate-500: #64748B;
  --slate-300: #CBD5E1;
  --slate-200: #E2E8F0;
  --slate-100: #F1F5F9;
  --slate-50:  #F8FAFC;
  --white: #FFFFFF;
  --max: 1180px;
  --read: 720px;
  --radius: 14px;
  --shadow-sm: 0 1px 2px rgba(15,23,42,.04), 0 1px 1px rgba(15,23,42,.03);
  --shadow-md: 0 8px 24px -8px rgba(15,23,42,.10), 0 2px 6px rgba(15,23,42,.04);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--white);
  color: var(--slate-900);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--orange); text-decoration: none; }
a:hover { text-decoration: underline; }

/* HEADER */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--slate-200);
}
.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex; align-items: center; gap: 28px;
}
.brand {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 20px;
  color: var(--slate-900);
  letter-spacing: -.01em;
}
.brand-dot { color: var(--orange); }
.nav-links { display: flex; gap: 22px; margin-left: auto; align-items: center; }
.nav-links a {
  color: var(--slate-700);
  font-weight: 500;
  font-size: 15px;
}
.nav-links a:hover { color: var(--slate-900); text-decoration: none; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600; font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .12s ease, box-shadow .2s ease, background .2s ease;
}
.btn-primary {
  background: var(--orange); color: white;
  box-shadow: 0 6px 16px -6px rgba(234,88,12,.55);
}
.btn-primary:hover { background: var(--orange-dark); text-decoration: none; transform: translateY(-1px); }
.btn-ghost {
  background: transparent; color: var(--slate-900);
  border-color: var(--slate-200);
}
.btn-ghost:hover { background: var(--slate-50); text-decoration: none; }

/* HERO INDEX */
.blog-hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 80px 24px 40px;
}
.blog-hero h1 {
  font-family: 'Sora', sans-serif;
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.08;
  letter-spacing: -.02em;
  margin: 0 0 16px;
  color: var(--slate-900);
}
.blog-hero p {
  font-size: 19px;
  color: var(--slate-700);
  max-width: 640px;
  margin: 0;
}
.eyebrow {
  display: inline-block;
  font-family: 'Sora', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 12px;
}

/* INDEX GRID */
.grid {
  max-width: var(--max);
  margin: 0 auto;
  padding: 24px 24px 80px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}
.card {
  display: flex; flex-direction: column;
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .15s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--slate-300);
  text-decoration: none;
}
.card-cover {
  aspect-ratio: 16/9;
  background: linear-gradient(135deg, #FFF7ED 0%, #FFEDD5 50%, #FED7AA 100%);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  position: relative;
}
.card-cover .badge {
  position: absolute; top: 14px; left: 14px;
  background: rgba(15,23,42,.85); color: white;
  padding: 4px 10px; border-radius: 999px;
  font-size: 11px; font-weight: 600; letter-spacing: .04em;
  text-transform: uppercase;
}
.card-cover h3 {
  font-family: 'Sora', sans-serif;
  font-size: 20px; line-height: 1.2;
  color: var(--slate-900);
  margin: 0; text-align: center;
  letter-spacing: -.01em;
}
.card-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.card-body h2 {
  font-family: 'Sora', sans-serif;
  font-size: 19px; line-height: 1.3;
  margin: 0 0 10px;
  color: var(--slate-900);
  letter-spacing: -.01em;
}
.card-body p {
  font-size: 15px; color: var(--slate-700);
  margin: 0 0 16px; flex: 1;
}
.card-meta {
  font-size: 13px; color: var(--slate-500);
  display: flex; gap: 10px; align-items: center;
}
.card-meta span:not(:last-child)::after {
  content: "·"; margin-left: 10px; color: var(--slate-300);
}

/* ARTICLE */
.article {
  max-width: var(--read);
  margin: 0 auto;
  padding: 60px 24px 80px;
}
.article header {
  margin-bottom: 36px;
  border-bottom: 1px solid var(--slate-200);
  padding-bottom: 32px;
}
.article h1 {
  font-family: 'Sora', sans-serif;
  font-size: clamp(30px, 4.4vw, 44px);
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--slate-900);
  margin: 12px 0 18px;
}
.article .meta {
  font-size: 14px; color: var(--slate-500);
  display: flex; gap: 12px; flex-wrap: wrap;
}
.article .meta span:not(:last-child)::after {
  content: "·"; margin-left: 12px; color: var(--slate-300);
}
.article .lede {
  font-size: 20px;
  line-height: 1.55;
  color: var(--slate-700);
  margin: 0;
}
.article h2 {
  font-family: 'Sora', sans-serif;
  font-size: 28px;
  line-height: 1.2;
  margin: 56px 0 18px;
  letter-spacing: -.015em;
  color: var(--slate-900);
}
.article h3 {
  font-family: 'Sora', sans-serif;
  font-size: 21px;
  margin: 36px 0 12px;
  color: var(--slate-900);
}
.article p { margin: 0 0 18px; color: var(--slate-800); }
.article ul, .article ol { padding-left: 22px; margin: 0 0 22px; color: var(--slate-800); }
.article li { margin: 8px 0; }
.article strong { color: var(--slate-900); }
.article blockquote {
  margin: 28px 0;
  padding: 18px 22px;
  background: var(--slate-50);
  border-left: 4px solid var(--orange);
  border-radius: 8px;
  color: var(--slate-800);
  font-style: italic;
}
.article table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0 28px;
  font-size: 15px;
}
.article th, .article td {
  border: 1px solid var(--slate-200);
  padding: 10px 14px;
  text-align: left;
}
.article th {
  background: var(--slate-50);
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  color: var(--slate-900);
}
.article .callout {
  margin: 28px 0;
  padding: 22px 24px;
  background: var(--orange-soft);
  border: 1px solid #FED7AA;
  border-radius: 12px;
}
.article .callout strong { color: var(--orange-dark); }
.article hr {
  border: none;
  border-top: 1px solid var(--slate-200);
  margin: 48px 0;
}

/* CTA OUVRIA */
.cta-ouvria {
  margin: 48px 0 16px;
  padding: 32px;
  background: var(--slate-900);
  color: white;
  border-radius: 18px;
  background-image: radial-gradient(circle at 90% 10%, rgba(234,88,12,.25), transparent 50%);
}
.cta-ouvria h3 {
  font-family: 'Sora', sans-serif;
  color: white;
  font-size: 24px;
  margin: 0 0 10px;
  letter-spacing: -.01em;
}
.cta-ouvria p { color: #CBD5E1; margin: 0 0 18px; }
.cta-ouvria .btn-primary { color: white; }

/* SOURCES */
.sources {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--slate-200);
  font-size: 14px;
  color: var(--slate-500);
}
.sources h4 {
  font-family: 'Sora', sans-serif;
  font-size: 14px;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--slate-700);
  margin: 0 0 10px;
}
.sources ul { padding-left: 18px; margin: 0; }
.sources li { margin: 4px 0; }
.sources a { color: var(--slate-700); text-decoration: underline; }

/* RELATED */
.related {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px 60px;
}
.related h2 {
  font-family: 'Sora', sans-serif;
  font-size: 24px;
  letter-spacing: -.01em;
  margin: 0 0 22px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

/* FOOTER */
.site-footer {
  background: var(--slate-900);
  color: var(--slate-300);
  padding: 56px 24px 28px;
  margin-top: 60px;
}
.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.footer-col h5 {
  font-family: 'Sora', sans-serif;
  color: white;
  font-size: 14px;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin: 0 0 14px;
}
.footer-col a {
  display: block;
  color: var(--slate-300);
  padding: 4px 0;
  font-size: 14px;
}
.footer-col a:hover { color: white; text-decoration: none; }
.footer-col p { font-size: 14px; color: var(--slate-300); margin: 0 0 12px; }
.footer-bottom {
  max-width: var(--max);
  margin: 36px auto 0;
  padding-top: 22px;
  border-top: 1px solid #1E293B;
  font-size: 13px; color: var(--slate-500);
  display: flex; gap: 18px; flex-wrap: wrap; align-items: center;
}
.footer-bottom a { color: var(--slate-500); }

@media (max-width: 720px) {
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .nav-links a:not(.btn) { display: none; }
}