*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ink: #0D0D0D;
  --paper: #F7F6F3;
  --accent: #1B4FFF;
  --accent-dark: #1138CC;
  --muted: #6B6B6B;
  --border: #E0DED8;
  --success: #0A7C4E;
  --white: #FFFFFF;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.6;
}

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  background: rgba(247,246,243,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  padding: 0 2rem;
  height: 60px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: 'DM Serif Display', serif;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}
.nav-logo span { color: var(--accent); }
.nav-tabs { display: flex; gap: 0.3rem; }
.nav-tab {
  padding: 0.4rem 0.9rem;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s, background 0.2s;
}
.nav-tab:hover { color: var(--ink); }
.nav-tab.active { color: var(--accent); background: #E8EEFF; font-weight: 600; }
.nav-cta {
  background: var(--ink);
  color: var(--white);
  padding: 0.45rem 1.1rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s;
}
.nav-cta:hover { background: var(--accent); }

/* PAGE */
.page {
  max-width: 760px;
  margin: 0 auto;
  padding: 120px 2rem 80px;
}
.section-eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.6rem;
}
h1 {
  font-family: 'DM Serif Display', serif;
  font-weight: 400;
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
}
.lead { color: var(--muted); font-size: 1.05rem; margin-bottom: 2.5rem; }

/* LISTE */
.article-list { display: grid; gap: 1rem; }
.article-card {
  display: block;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.6rem;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, transform 0.15s;
}
.article-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.article-card h2 {
  font-family: 'DM Serif Display', serif;
  font-weight: 400;
  font-size: 1.4rem;
  line-height: 1.25;
  margin-bottom: 0.5rem;
}
.article-card p { color: var(--muted); font-size: 0.92rem; }
.article-card .read-more {
  display: inline-block;
  margin-top: 0.9rem;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.88rem;
}

/* ARTICLE */
.back-link {
  display: inline-block;
  color: var(--muted);
  font-size: 0.85rem;
  text-decoration: none;
  margin-bottom: 1.5rem;
}
.back-link:hover { color: var(--accent); }
.article-body h2 {
  font-family: 'DM Serif Display', serif;
  font-weight: 400;
  font-size: 1.5rem;
  line-height: 1.25;
  margin: 2.4rem 0 0.7rem;
}
.article-body p { color: #333; margin-bottom: 1rem; line-height: 1.8; }
.article-body a { color: var(--accent); font-weight: 600; }

.article-cta {
  margin-top: 2.5rem;
  background: var(--white);
  border: 2px solid var(--accent);
  border-radius: 12px;
  padding: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
}
.article-cta strong {
  display: block;
  font-family: 'DM Serif Display', serif;
  font-weight: 400;
  font-size: 1.3rem;
  margin-bottom: 0.2rem;
}
.article-cta span { color: var(--muted); font-size: 0.88rem; }
.cta-btn {
  background: var(--accent);
  color: var(--white);
  border-radius: 10px;
  padding: 0.85rem 1.4rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s;
}
.cta-btn:hover { background: var(--accent-dark); }

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--muted);
  max-width: 960px;
  margin: 0 auto;
}
footer a { color: var(--muted); text-decoration: underline; }

@media (max-width: 700px) {
  nav { padding: 0 1rem; }
  .nav-cta { display: none; }
  .page { padding: 100px 1.2rem 60px; }
  .article-cta { flex-direction: column; align-items: flex-start; }
  footer { flex-direction: column; gap: 0.5rem; text-align: center; }
}