:root{
  --paper:#F5F0E4; --card:#FFFCF4; --ink:#141C18; --muted:#525A55; --line:#D8CFBD;
  --green:#1F4D3A; --green-2:#163A2B; --yellow:#F2C94C; --yellow-soft:#F7E3A0;
  --f-head:"Archivo",Arial,sans-serif; --f-body:"Source Serif 4",Georgia,serif; --f-hand:"Source Serif 4",Georgia,serif;
  --wrap:1240px; --pad:clamp(16px,4vw,56px);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--f-head);font-size:17px;line-height:1.55}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--green)}
:focus-visible{outline:3px solid var(--green);outline-offset:3px}
.skip{position:absolute;left:-999px;top:0;background:var(--yellow);padding:10px 16px;z-index:10}
.skip:focus{left:8px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.wrap{max-width:calc(var(--wrap) + var(--pad)*2);margin:0 auto;padding:0 var(--pad)}
.sec{font-size:13px;font-weight:700;color:var(--green);letter-spacing:.02em}
.meta{font-size:14px;color:var(--muted)}
.hl{background:linear-gradient(transparent 55%,var(--yellow-soft) 55%);padding:0 2px}

/* header */
.kick{font-size:13px;color:var(--muted);padding-top:12px;font-style:italic;font-family:var(--f-body)}
.head{display:flex;align-items:center;gap:28px;padding:10px 0 16px;border-bottom:2px solid var(--ink)}
.logo{font-weight:900;font-stretch:80%;font-size:44px;letter-spacing:-.02em;line-height:1}
.logo span{color:var(--green)}
.head nav{display:flex;flex-wrap:wrap;gap:4px 22px;font-weight:600;font-size:15px;margin-left:auto}
.head nav a[aria-current]{color:var(--green);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:6px}
.head .search{display:flex;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border:0;border-radius:4px;background:var(--ink);color:var(--paper);font:700 15px var(--f-head);cursor:pointer}
.btn:hover{background:var(--green);color:#fff}
.btn.green{background:var(--green);color:#fff}.btn.green:hover{background:var(--green-2)}

/* hero line */
.hero-line{text-align:center;padding:26px 0 18px}
.hero-line h1{margin:0;font-weight:900;font-stretch:78%;font-size:clamp(40px,6.4vw,84px);line-height:.98;letter-spacing:-.02em}
.hero-line p{margin:12px auto 0;max-width:640px;font-family:var(--f-body);font-size:19px;color:var(--muted)}

/* front grid */
.front{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:32px;border-top:1px solid var(--line);padding-top:24px}
.big .pic{aspect-ratio:2.3/1;overflow:hidden;border-radius:4px;background:var(--line)}
.big .pic img{width:100%;height:100%;object-fit:cover}
.big .sec{display:block;margin-top:14px}
.big h2{margin:6px 0 8px;font-weight:900;font-stretch:82%;font-size:clamp(30px,3.4vw,44px);line-height:1.02;letter-spacing:-.01em}
.big p{margin:0 0 10px;font-family:var(--f-body);font-size:19px;color:var(--muted);max-width:60ch}
.start{border-left:1px solid var(--line);padding-left:28px;position:relative}
.start h2{margin:0 0 6px;font-size:15px;font-weight:800;border-bottom:2px solid var(--ink);padding-bottom:8px}
.start .note{position:absolute;right:0;top:-10px;font-family:var(--f-hand);font-style:italic;font-size:19px;color:var(--green);transform:rotate(4deg)}
.mini{display:grid;grid-template-columns:120px minmax(0,1fr);gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.mini .pic{aspect-ratio:4/3;overflow:hidden;border-radius:3px;background:var(--line)}
.mini .pic img{width:100%;height:100%;object-fit:cover}
.mini h3{margin:2px 0 4px;font-size:18px;font-weight:800;line-height:1.15}
.jargon{display:block;margin-top:14px;background:var(--green);color:#fff;padding:18px;border-radius:4px}
.jargon:hover{color:#fff;background:var(--green-2)}
.jargon strong{display:block;font-size:19px;line-height:1.2}
.jargon span{font-family:var(--f-body);font-size:15px;opacity:.9}

/* task bar */
.tasks{background:var(--green);color:#fff;margin-top:36px}
.tasks .wrap{display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding-top:18px;padding-bottom:18px}
.tasks h2{margin:0 auto 0 0;font-size:20px;font-weight:800;font-stretch:85%}
.tasks a{border:1.5px solid rgba(255,255,255,.6);border-radius:4px;padding:10px 16px;font-weight:600;font-size:15px}
.tasks a:hover{background:#fff;color:var(--green)}

/* card rows */
.row-head{display:flex;justify-content:space-between;align-items:baseline;margin-top:52px;border-bottom:2px solid var(--ink);padding-bottom:8px}
.row-head h2{margin:0;font-weight:900;font-stretch:80%;font-size:clamp(28px,3vw,38px);letter-spacing:-.01em}
.row-head a{font-weight:700;font-size:15px;color:var(--green)}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;padding-top:22px}
.card .pic{aspect-ratio:3/2;overflow:hidden;border-radius:4px;background:var(--line)}
.card .pic img{width:100%;height:100%;object-fit:cover}
.card .sec{display:block;margin-top:12px}
.card h3{margin:4px 0 6px;font-size:21px;font-weight:800;line-height:1.15}
.card p{margin:0;font-family:var(--f-body);font-size:16px;color:var(--muted)}

/* sections */
.sections{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;padding-top:22px}
.sections h3{margin:0;font-weight:900;font-stretch:80%;font-size:28px}
.sections .quip{font-family:var(--f-hand);font-style:italic;font-size:18px;color:var(--green);margin:2px 0 8px}
.sections .it{display:block;padding:10px 0;border-top:1px solid var(--line);font-weight:700;line-height:1.25}
.sections .all{display:inline-block;margin-top:8px;font-weight:700;font-size:14px;color:var(--green)}

/* letters + delivery */
.letters-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:center;margin-top:56px;padding:36px;background:var(--card);border:1px solid var(--line);border-radius:6px}
.letters-wrap h2{margin:0 0 8px;font-weight:900;font-stretch:80%;font-size:clamp(30px,3.4vw,44px);line-height:1}
.letters-wrap p{font-family:var(--f-body);font-size:18px;color:var(--muted);margin:0}
.letters{display:flex;flex-direction:column;gap:14px}
.field{display:flex;flex-direction:column;gap:4px;font-size:14px;font-weight:700}
.field input,.field textarea{font:17px var(--f-body);border:1.5px solid #B9B09C;border-radius:4px;background:#fff;color:var(--ink);padding:11px 12px}
.field textarea{resize:vertical;min-height:96px}
.hp{display:none}
.delivery{background:var(--yellow);margin-top:56px}
.delivery .wrap{display:flex;align-items:center;gap:24px;flex-wrap:wrap;padding-top:26px;padding-bottom:26px}
.delivery h2{margin:0;font-weight:900;font-stretch:80%;font-size:30px;line-height:1.05}
.delivery p{margin:4px 0 0;font-family:var(--f-body)}
.delivery form{display:flex;gap:10px;margin-left:auto;flex-wrap:wrap}
.delivery input{min-width:280px;height:48px;border:1.5px solid var(--ink);border-radius:4px;padding:0 14px;font:17px var(--f-body)}

/* footer */
.foot{border-top:2px solid var(--ink);margin-top:0;padding:28px 0 40px}
.foot .top{display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.foot .logo{font-size:30px}
.foot nav{display:flex;flex-wrap:wrap;gap:6px 22px;font-size:14px;font-weight:600}
.foot .fine{font-family:var(--f-body);font-size:13px;color:var(--muted);max-width:900px;margin:16px 0 0}

/* article */
.art-head{max-width:820px;margin:44px auto 0}
.art-head h1{margin:8px 0 12px;font-weight:900;font-stretch:80%;font-size:clamp(36px,5vw,62px);line-height:1;letter-spacing:-.015em}
.art-head .deck{font-family:var(--f-body);font-size:21px;color:var(--muted);margin:0 0 14px}
.art-hero{max-width:1040px;margin:28px auto 0;aspect-ratio:16/8;overflow:hidden;border-radius:6px;background:var(--line)}
.art-hero img{width:100%;height:100%;object-fit:cover}
.art{display:grid;grid-template-columns:minmax(0,680px) 280px;gap:56px;justify-content:center;margin-top:40px}
.prose{font-family:var(--f-body);font-size:20px;line-height:1.7}
.prose h2{font-family:var(--f-head);font-weight:900;font-stretch:82%;font-size:32px;line-height:1.1;margin:1.6em 0 .4em}
.prose h3{font-family:var(--f-head);font-weight:800;font-size:23px;line-height:1.2;margin:1.4em 0 .3em}
.prose a{color:var(--green);text-decoration:underline;text-underline-offset:3px}
.prose img{margin:1.4em 0;border-radius:4px}
.prose blockquote{margin:1.6em 0;padding:4px 0 4px 20px;border-left:4px solid var(--green);font-style:italic;font-size:23px}
.prose table{border-collapse:collapse;width:100%;display:block;overflow-x:auto;font-size:16px}
.prose th,.prose td{border:1px solid var(--line);padding:8px 10px;text-align:left}
.enote{background:var(--card);border:1px solid var(--line);border-radius:4px;padding:16px 20px;font-family:var(--f-body);font-size:15px;margin-top:32px}
.byline-box{display:flex;gap:16px;align-items:center;border-top:1px solid var(--line);padding-top:22px;margin-top:28px;font-family:var(--f-body);font-size:16px}
.side{display:flex;flex-direction:column;gap:20px}
.side .sticky{position:sticky;top:24px;display:flex;flex-direction:column;gap:20px}
.side-box{background:var(--card);border:1px solid var(--line);border-radius:6px;padding:20px}
.side-box h2{margin:0 0 6px;font-weight:900;font-stretch:82%;font-size:24px;line-height:1.05}
.side-box p{margin:0 0 14px;font-family:var(--f-body);font-size:16px;color:var(--muted)}
.side-box.dark{background:var(--green);border-color:var(--green);color:#fff}
.side-box.dark p{color:#E2ECE6}
.side-box.dark .btn{background:var(--yellow);color:var(--ink)}

/* lists */
.page-head{margin-top:40px;border-bottom:2px solid var(--ink);padding-bottom:14px}
.page-head h1{margin:0;font-weight:900;font-stretch:78%;font-size:clamp(40px,6vw,72px);line-height:1}
.page-head p{margin:8px 0 0;font-family:var(--f-body);font-size:19px;color:var(--muted)}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 0}
.filters a{border:1.5px solid var(--ink);border-radius:4px;padding:6px 12px;font-weight:600;font-size:14px}
.filters a[aria-current]{background:var(--ink);color:var(--paper)}
.plain{max-width:720px;margin-top:32px}
.plain h2{font-weight:900;font-stretch:82%;font-size:30px;margin:1.4em 0 .3em}
.guides a{display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--line);padding:18px 0;font-weight:800;font-size:22px}
.guides a span{font-size:14px;color:var(--green)}

@media (max-width:1000px){
  .front{grid-template-columns:1fr}.start{border-left:0;padding-left:0}
  .art{grid-template-columns:1fr}
  .sections{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .head{flex-wrap:wrap;gap:12px}.head nav{margin-left:0;order:3;width:100%}.head .search{margin-left:auto}.head .btn{min-height:40px;padding:0 14px;font-size:14px}.logo{font-size:36px}
  .cards{grid-template-columns:1fr}
  .letters-wrap{grid-template-columns:1fr;padding:22px}
  .tasks h2{width:100%}
  .delivery form{margin-left:0;width:100%}.delivery input{min-width:0;flex:1}
}
@media (max-width:480px){.sections{grid-template-columns:1fr}.mini{grid-template-columns:96px minmax(0,1fr)}.prose{font-size:18px}}

@media (max-width:760px){
  .big .pic{aspect-ratio:16/9}
  .hero-line{padding:24px 0 20px}
  .head .btn{max-width:160px;text-align:center;line-height:1.2;padding:8px 12px}
}

/* build additions */
img{height:auto}
.prose figure{margin:1.4em 0}.prose figcaption{font-family:var(--f-head);font-size:14px;color:var(--muted);margin-top:6px}
.art-head time{white-space:nowrap}
.prose .hero-credit{font-family:var(--f-head);font-size:14px;color:var(--muted);margin-top:-.4em}
/* SEO/AEO phase 1: optional article fields (render only when set) */
.art-head .aka{font-family:var(--f-body);font-size:18px;color:var(--muted);margin:-4px 0 12px}
.art-head .aka-label{font-weight:600}
.art-head .meta a{color:inherit}
.prose .direct-answer,.prose .key-facts{border-left:4px solid #F2C94C;padding-left:14px}
.prose .hub-link{font-size:16px;color:var(--muted)}