/* Style partagé du blog Numeline — repris de la charte du site (/ et /fr). */
:root {
  --ink: #0a1f1f;
  --ink-soft: #2b3a3a;
  --muted: #5f6e6e;
  --surface: #ffffff;
  --surface-alt: #eef5f3;
  --accent: #0bae86;
  --accent-dark: #0a1f1f;
  --line: #d5dfdd;
  --shadow: rgba(10, 31, 31, 0.16);
}

* { box-sizing: border-box; }
img { max-width: 100%; height: auto; }

body {
  margin: 0;
  color: var(--ink-soft);
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  background:
    radial-gradient(1200px 600px at 20% -10%, #d8f1ea 0%, transparent 60%),
    radial-gradient(900px 500px at 100% 10%, #f4ead8 0%, transparent 55%),
    linear-gradient(180deg, #f7faf9 0%, #eef3f2 100%);
}

a { color: inherit; text-decoration: none; }

.page { max-width: 820px; margin: 0 auto; padding: 24px 24px 64px; }
.page--wide { max-width: 1120px; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 8px 0 24px; flex-wrap: wrap;
}
.brand {
  font-family: "Fraunces", "Times New Roman", serif;
  font-size: 22px; font-weight: 700; color: var(--accent-dark); letter-spacing: 0.3px;
}
.nav { display: flex; gap: 16px; flex-wrap: wrap; font-size: 14px; color: var(--muted); }
.nav a { padding: 6px 10px; border-radius: 999px; transition: background 0.2s ease; }
.nav a:hover { background: rgba(10, 31, 31, 0.08); }

.eyebrow {
  text-transform: uppercase; font-size: 12px; letter-spacing: 1.8px;
  color: var(--accent); font-weight: 600; margin-bottom: 10px;
}

h1 {
  font-family: "Fraunces", "Times New Roman", serif;
  font-size: 38px; line-height: 1.08; color: var(--accent-dark); margin: 0 0 14px;
}
h2 {
  font-family: "Fraunces", "Times New Roman", serif;
  font-size: 24px; color: var(--accent-dark); margin: 40px 0 12px;
}
h3 { font-size: 17px; color: var(--accent-dark); margin: 28px 0 8px; }

.article-meta { font-size: 13px; color: var(--muted); margin-bottom: 24px; }
.article-meta .tag {
  display: inline-block; background: var(--surface-alt); color: var(--accent-dark);
  border-radius: 999px; padding: 3px 10px; font-weight: 600; margin-right: 6px;
}

.lead { font-size: 19px; line-height: 1.6; color: var(--ink-soft); font-style: italic; margin: 0 0 28px; }

.article-figure { margin: 0 0 28px; }
.article-figure img {
  width: 100%; display: block; border-radius: 16px;
  border: 1px solid var(--line); box-shadow: 0 14px 30px var(--shadow);
}
.article-figure figcaption {
  font-size: 12px; color: var(--muted); margin-top: 8px; text-align: center;
}
.article-figure figcaption a { color: var(--muted); text-decoration: underline; }

.article p { font-size: 16px; line-height: 1.7; margin: 0 0 18px; }
.article ul, .article ol { font-size: 16px; line-height: 1.7; padding-left: 22px; margin: 0 0 18px; }
.article li { margin-bottom: 8px; }
.article strong { color: var(--ink); }
.article a { color: var(--accent); font-weight: 600; }
.article a:hover { text-decoration: underline; }

blockquote {
  margin: 24px 0; padding: 16px 22px;
  background: var(--surface); border-left: 4px solid var(--accent);
  border-radius: 12px; box-shadow: 0 10px 24px rgba(10, 31, 31, 0.08);
  font-size: 18px; line-height: 1.5; color: var(--ink);
}
blockquote cite { display: block; margin-top: 8px; font-size: 14px; font-style: normal; color: var(--muted); }

.callout {
  background: var(--surface); border: 1px solid var(--line);
  border-left: 4px solid var(--accent); border-radius: 14px;
  padding: 18px 20px; margin: 24px 0;
}
.callout h3 { margin: 0 0 8px; }
.callout p { margin: 0; font-size: 15px; }

hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0; }

.sources { background: var(--surface-alt); border-radius: 16px; padding: 20px 22px; margin-top: 28px; }
.sources h3 { margin-top: 0; }
.sources ul { padding-left: 20px; margin: 0; }
.sources li { font-size: 14px; margin-bottom: 8px; }
.disclaimer { font-size: 13px; color: var(--muted); line-height: 1.6; margin-top: 18px; font-style: italic; }

.backlink { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--muted); margin-bottom: 20px; }
.backlink:hover { color: var(--accent-dark); }

/* Liste du blog */
.blog-head { margin-bottom: 32px; }
.blog-head p { font-size: 17px; color: var(--muted); margin: 6px 0 0; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; }
.card {
  display: flex; flex-direction: column; background: var(--surface);
  border: 1px solid var(--line); border-radius: 16px; padding: 20px;
  box-shadow: 0 10px 24px rgba(10, 31, 31, 0.08);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 16px 30px rgba(10, 31, 31, 0.14); }
.card .tag { font-size: 11px; }
.card h2 { font-size: 19px; margin: 10px 0 8px; }
.card p { font-size: 14px; color: var(--muted); line-height: 1.55; margin: 0 0 14px; flex: 1; }
.card .read { font-size: 14px; font-weight: 600; color: var(--accent); }

.footer {
  margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between;
  color: var(--muted); font-size: 13px;
}

/* Bouton hamburger (injecté par le script, masqué sur desktop) */
.nav-toggle {
  display: none;
  flex-direction: column; justify-content: center; gap: 5px;
  width: 42px; height: 38px; padding: 9px;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 10px; cursor: pointer;
}
.nav-toggle span {
  display: block; height: 2px; width: 100%;
  background: var(--accent-dark); border-radius: 2px; transition: transform 0.2s ease, opacity 0.2s ease;
}
.topbar.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.topbar.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.topbar.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 600px) {
  h1 { font-size: 30px; }
  .topbar { flex-wrap: wrap; align-items: center; }
  .nav-toggle { display: flex; }
  .nav {
    display: none; order: 5; width: 100%;
    flex-direction: column; gap: 0; margin-top: 12px;
  }
  .topbar.nav-open .nav { display: flex; }
  .nav a { padding: 12px 8px; border-radius: 0; border-bottom: 1px solid var(--line); }
}

/* CTA de téléchargement de l'app — en bas de chaque article */
.cta-app {
  margin-top: 34px;
  padding: 30px 26px;
  border-radius: 20px;
  background: var(--accent-dark);
  color: #fff;
  text-align: center;
}
.cta-app h3 { margin: 0 0 10px; color: #fff; font-family: "Fraunces", Georgia, serif; font-size: 23px; }
.cta-app p { margin: 0 auto 20px; max-width: 48ch; color: rgba(255, 255, 255, 0.85); font-size: 15px; line-height: 1.6; }
.cta-buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 18px;
  border-radius: 13px;
  background: #000;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  text-align: left;
  transition: filter 0.2s ease, transform 0.15s ease;
}
.cta-btn:hover { filter: brightness(1.25); transform: translateY(-1px); }
.cta-btn svg { width: 24px; height: 24px; flex: none; fill: #fff; }
.cta-btn .b-sub { display: block; font-size: 10px; line-height: 1.15; opacity: 0.82; text-transform: uppercase; letter-spacing: 0.05em; }
.cta-btn .b-main { display: block; font-size: 16px; font-weight: 700; line-height: 1.2; }

/* Vignette des cartes d'article (index blog) */
.card-thumb {
  width: 100%;
  height: 158px;
  object-fit: cover;
  border-radius: 12px;
  margin: -4px 0 14px;
  display: block;
  background: var(--surface-alt);
}