:root{
  --paper:#FAFAF7; --ink:#15283D; --ink-soft:#4A5A6B; --sea:#1E6F6A; --sea-dark:#15524E;
  --sand:#ECE5D5; --line:#D9D3C4; --max:1120px; --read:680px;
  --serif:"Newsreader",Georgia,"Times New Roman",serif;
  --sans:"Public Sans",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6}
img{max-width:100%;height:auto;display:block}
a{color:var(--sea)}
a:hover{color:var(--sea-dark)}
:focus-visible{outline:3px solid var(--sea);outline-offset:3px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:16px;background:#fff;padding:8px 12px;z-index:10}

/* Header */
.site-header{border-bottom:1px solid var(--line);background:var(--paper)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.brand{font-family:var(--serif);font-size:1.5rem;font-weight:600;color:var(--ink);text-decoration:none;letter-spacing:-.01em}
.brand span{color:var(--sea)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:6px;padding:8px 12px;font:inherit;color:var(--ink);cursor:pointer}
.site-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:28px}
.site-nav a{color:var(--ink);text-decoration:none;font-size:.95rem}
.site-nav a:hover,.site-nav a[aria-current="page"]{color:var(--sea);text-decoration:underline;text-underline-offset:6px}
@media (max-width:760px){
  .nav-toggle{display:block}
  .site-nav{display:none;width:100%}
  .site-nav.open{display:block}
  .site-header .wrap{flex-wrap:wrap;padding-top:12px;padding-bottom:12px}
  .site-nav ul{flex-direction:column;gap:12px;padding:8px 0 4px}
}

/* Hero */
.hero{padding:72px 0 56px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero h1{font-family:var(--serif);font-weight:500;font-size:clamp(2.4rem,5vw,4rem);line-height:1.05;letter-spacing:-.02em;margin:0 0 20px}
.hero p{font-size:1.15rem;color:var(--ink-soft);max-width:34em;margin:0 0 28px}
.hero-figure{margin:0;border-radius:4px;overflow:hidden;background:var(--sand);aspect-ratio:4/3}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.route{display:block;width:100%;max-width:420px;height:40px;margin-bottom:24px;color:var(--sea)}
.btn{display:inline-block;background:var(--ink);color:#fff;text-decoration:none;padding:12px 22px;border-radius:4px;font-weight:600}
.btn:hover{background:var(--sea-dark);color:#fff}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr}.hero{padding:48px 0 40px}}

/* Sections */
section.block{padding:56px 0}
.block h2{font-family:var(--serif);font-weight:500;font-size:2rem;margin:0 0 8px;letter-spacing:-.01em}
.block .intro{color:var(--ink-soft);margin:0 0 32px;max-width:40em}

/* Article list */
.post-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:40px 48px}
.post{display:grid;grid-template-columns:160px 1fr;gap:20px;align-items:start}
.post .thumb{background:var(--sand);aspect-ratio:1/1;border-radius:3px;overflow:hidden}
.post .thumb img{width:100%;height:100%;object-fit:cover}
.post .cat{font-size:.85rem;color:var(--sea);text-decoration:none;font-weight:600}
.post h3{font-family:var(--serif);font-weight:500;font-size:1.3rem;line-height:1.25;margin:4px 0 8px}
.post h3 a{color:var(--ink);text-decoration:none}
.post h3 a:hover{color:var(--sea)}
.post p{margin:0;color:var(--ink-soft);font-size:.95rem}
@media (max-width:860px){.post-list{grid-template-columns:1fr}}
@media (max-width:480px){.post{grid-template-columns:1fr}.post .thumb{aspect-ratio:16/9}}

/* Topics */
.topics{background:var(--sand)}
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.topic{border-top:2px solid var(--ink);padding-top:14px}
.topic h3{font-family:var(--serif);font-weight:500;font-size:1.2rem;margin:0 0 6px}
.topic h3 a{color:var(--ink);text-decoration:none}
.topic p{margin:0;font-size:.95rem;color:var(--ink-soft)}
@media (max-width:860px){.topic-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.topic-grid{grid-template-columns:1fr}}

/* Page / article */
.page{padding:56px 0 72px}
.page-head{max-width:var(--read);margin:0 auto 32px}
.page-head h1{font-family:var(--serif);font-weight:500;font-size:clamp(2rem,4.2vw,3rem);line-height:1.1;letter-spacing:-.015em;margin:8px 0 14px}
.page-head .lede{font-size:1.15rem;color:var(--ink-soft);margin:0}
.meta{font-size:.9rem;color:var(--ink-soft)}
.article-figure{max-width:900px;margin:0 auto 40px;background:var(--sand);aspect-ratio:16/8;border-radius:4px;overflow:hidden}
.article-figure img{width:100%;height:100%;object-fit:cover}
.prose{max-width:var(--read);margin:0 auto;font-family:var(--serif);font-size:1.15rem;line-height:1.75}
.prose h2{font-family:var(--sans);font-size:1.3rem;font-weight:700;margin:2.2em 0 .6em;line-height:1.3}
.prose h3{font-family:var(--sans);font-size:1.08rem;font-weight:700;margin:1.8em 0 .4em}
.prose p{margin:0 0 1.2em}
.prose ul,.prose ol{margin:0 0 1.4em;padding-left:1.3em}
.prose li{margin-bottom:.5em}
.note{background:var(--sand);border-left:3px solid var(--sea);padding:16px 20px;margin:1.8em 0;font-family:var(--sans);font-size:1rem;line-height:1.6}
.table-scroll{overflow-x:auto;margin:0 0 1.6em}
.prose table{border-collapse:collapse;width:100%;font-family:var(--sans);font-size:.95rem}
.prose th,.prose td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.prose th{font-weight:700}
.related{max-width:var(--read);margin:56px auto 0;padding-top:28px;border-top:1px solid var(--line);font-family:var(--sans)}
.related h2{font-size:1.1rem;margin:0 0 12px}
.related ul{margin:0;padding-left:1.2em}

/* Category page */
.cat-section{max-width:var(--max);margin:0 auto 56px}
.cat-section h2{font-family:var(--serif);font-weight:500;font-size:1.8rem;margin:0 0 6px}
.cat-section > p{color:var(--ink-soft);margin:0 0 24px;max-width:40em}

/* Footer */
.site-footer{background:var(--ink);color:#D8E0E8;padding:48px 0 32px;font-size:.95rem}
.site-footer a{color:#fff}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px}
.site-footer h2{font-family:var(--serif);font-weight:500;font-size:1.3rem;color:#fff;margin:0 0 8px}
.site-footer h3{font-size:.95rem;color:#fff;margin:0 0 10px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:6px}
.site-footer .copy{margin-top:32px;padding-top:20px;border-top:1px solid #2E435A;font-size:.85rem}
@media (max-width:760px){.foot-grid{grid-template-columns:1fr}}