/* Slides by Alfi — Articles stylesheet (matches live site: Sanofi purple theme) */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --purple: #7A00E6; --purple-dark: #5C00B0; --purple-soft: #EDE5FA; --purple-glow: rgba(122,0,230,.14);
  --black: #0A0A0A; --bg: #FFFFFF; --bg2: #F6F2FC; --text: #0A0A0A; --muted: #52525B;
  --border: rgba(10,10,10,.08);
}
html { scroll-behavior: smooth; }
body { font-family: 'Inter', system-ui, sans-serif; background: var(--bg); color: var(--text); line-height: 1.7; -webkit-font-smoothing: antialiased; }

/* top nav */
.site-nav { position: sticky; top: 0; z-index: 50; background: rgba(10,10,10,.96); backdrop-filter: blur(8px); border-bottom: 1px solid rgba(255,255,255,.08); }
.site-nav .inner { max-width: 1080px; margin: 0 auto; padding: 14px 24px; display: flex; align-items: center; justify-content: space-between; }
.site-nav .logo { font-family: 'Space Grotesk', sans-serif; font-size: 20px; font-weight: 700; color: #fff; text-decoration: none; }
.site-nav .logo span { color: #D4B8FF; }
.site-nav .links { display: flex; gap: 22px; }
.site-nav .links a { color: rgba(255,255,255,.72); text-decoration: none; font-size: 13px; transition: color .15s; }
.site-nav .links a:hover { color: #fff; }

/* hero */
.article-hero { background: linear-gradient(135deg, var(--black), #1A0A2E); color: #fff; padding: 64px 24px 56px; text-align: center; }
.article-hero .kicker { font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: #D4B8FF; margin-bottom: 14px; }
.article-hero h1 { font-family: 'Space Grotesk', sans-serif; font-size: clamp(28px, 4.5vw, 44px); line-height: 1.15; max-width: 860px; margin: 0 auto 14px; font-weight: 700; }
.article-hero .dek { color: rgba(255,255,255,.75); font-size: 17px; max-width: 640px; margin: 0 auto; }
.article-hero .meta { margin-top: 18px; font-size: 12.5px; color: rgba(255,255,255,.5); }

/* body */
.article-body { max-width: 760px; margin: 0 auto; padding: 48px 24px 72px; font-size: 16.5px; }
.article-body h2 { font-family: 'Space Grotesk', sans-serif; font-size: 24px; margin: 42px 0 14px; line-height: 1.3; }
.article-body h3 { font-size: 18px; margin: 28px 0 10px; }
.article-body p { margin-bottom: 18px; }
.article-body ul, .article-body ol { margin: 0 0 20px 22px; }
.article-body li { margin-bottom: 8px; }
.article-body strong { color: var(--purple-dark); }
.article-body a { color: var(--purple); }
.article-body blockquote { border-left: 3px solid var(--purple); background: var(--bg2); padding: 16px 20px; border-radius: 0 10px 10px 0; margin: 24px 0; font-style: italic; color: var(--muted); }
.article-body .tip { background: var(--purple-soft); border-radius: 12px; padding: 18px 20px; margin: 24px 0; font-size: 15px; }
.article-body .tip strong { display: block; margin-bottom: 4px; }
.article-body img { max-width: 100%; border-radius: 12px; margin: 12px 0; }

/* soft-sell CTA (closing) */
.cta { background: linear-gradient(135deg, var(--purple), var(--purple-dark)); color: #fff; border-radius: 16px; padding: 36px 32px; margin-top: 56px; text-align: center; }
.cta h2 { font-family: 'Space Grotesk', sans-serif; font-size: 24px; margin: 0 0 10px; color: #fff; }
.cta p { color: rgba(255,255,255,.85); font-size: 15.5px; max-width: 520px; margin: 0 auto 22px; }
.cta .btn { display: inline-block; background: #fff; color: var(--purple-dark); font-weight: 600; text-decoration: none; padding: 12px 26px; border-radius: 999px; font-size: 14.5px; margin: 0 6px 8px; transition: transform .15s; }
.cta .btn:hover { transform: translateY(-2px); }
.cta .btn.ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.55); }

/* footer */
.article-foot { border-top: 1px solid var(--border); background: var(--bg2); padding: 26px 24px; text-align: center; font-size: 13px; color: var(--muted); }
.article-foot a { color: var(--purple); text-decoration: none; }

/* articles index */
.idx-hero { background: linear-gradient(135deg, var(--black), #1A0A2E); color: #fff; padding: 72px 24px 60px; text-align: center; }
.idx-hero h1 { font-family: 'Space Grotesk', sans-serif; font-size: clamp(28px, 4.5vw, 42px); font-weight: 700; margin-bottom: 12px; }
.idx-hero p { color: rgba(255,255,255,.72); max-width: 560px; margin: 0 auto; }
.idx-grid { max-width: 1080px; margin: 0 auto; padding: 48px 24px 80px; display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 22px; }
.idx-card { border: 1px solid var(--border); border-radius: 14px; padding: 26px; text-decoration: none; color: inherit; display: flex; flex-direction: column; gap: 10px; transition: box-shadow .18s, transform .18s; background: var(--bg); }
.idx-card:hover { box-shadow: 0 12px 34px var(--purple-glow); transform: translateY(-3px); }
.idx-card .cat { font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--purple); font-weight: 600; }
.idx-card h2 { font-family: 'Space Grotesk', sans-serif; font-size: 19px; line-height: 1.35; }
.idx-card p { font-size: 14px; color: var(--muted); flex: 1; }
.idx-card .read { font-size: 13px; font-weight: 600; color: var(--purple); }

@media (max-width: 640px) {
  .site-nav .links { gap: 14px; }
  .article-body { font-size: 16px; padding: 36px 20px 60px; }
  .cta { padding: 28px 20px; }
}