:root{
  --navy:#13284F; --navy-deep:#0B1B3C; --steel:#5E76A8; --line:rgba(19,40,79,.14);
  --wash:#EFF2F8; --ink:#1b2a44; --mute:#5b6880;
  --serif:'Source Serif 4',Georgia,'Times New Roman',serif;
  --sans:'Inter',system-ui,-apple-system,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:var(--sans);color:var(--ink);background:#fff;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}

.site-head{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;
  padding:1rem clamp(1.2rem,5vw,3rem);background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line)}
.brand{font-family:var(--serif);font-weight:600;font-size:1.3rem;color:var(--navy);text-decoration:none;letter-spacing:.01em}
.site-head .back{font-size:.76rem;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--steel);text-decoration:none}
.site-head .back:hover{color:var(--navy)}

.article-wrap{max-width:760px;margin:0 auto;padding:clamp(2rem,6vw,4.5rem) clamp(1.2rem,5vw,2rem) 4rem}
.eyebrow{font-size:.74rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--steel);margin-bottom:1rem}
.article-wrap h1{font-family:var(--serif);font-weight:600;color:var(--navy);
  font-size:clamp(1.8rem,4.5vw,2.8rem);line-height:1.18;letter-spacing:-.01em}
.meta{color:var(--mute);font-size:.9rem;margin-top:1rem}
.hero{margin:2rem 0 2.4rem;border-radius:10px;overflow:hidden;background:var(--wash);aspect-ratio:16/9}
.hero img{width:100%;height:100%;object-fit:cover}
.prose p{margin:0 0 1.2rem;font-size:1.05rem;color:#2a3753}
.prose h2{font-family:var(--serif);font-weight:600;color:var(--navy);font-size:1.35rem;margin:2.2rem 0 .9rem}
.back-link{display:inline-block;margin-top:2.6rem;font-size:.8rem;font-weight:600;letter-spacing:.06em;
  text-transform:uppercase;color:var(--navy);text-decoration:none;border-bottom:2px solid var(--steel);padding-bottom:.2rem}
.back-link:hover{border-color:var(--navy)}

.site-foot{border-top:1px solid var(--line);padding:2rem clamp(1.2rem,5vw,3rem);color:var(--mute);font-size:.82rem;text-align:center}