*{box-sizing:border-box}
html{scroll-behavior:smooth}
:root{
color-scheme:light dark;
--bg:#faf8f3;--surface:#ffffff;--ink:#171410;--muted:#6f675b;--line:#e6ded1;
--accent:#f05a28;--accent-deep:#c74315;--dark:#11100e;--dark-soft:#1c1a17;--lime:#d8ff49;
--serif:"Source Serif 4",Georgia,"Times New Roman",serif;
--sans:"Archivo",system-ui,-apple-system,"Segoe UI",sans-serif;
--shadow:0 18px 50px rgba(60,40,20,.10);
--radius:18px;
}
@media(prefers-color-scheme:dark){
:root{--bg:#131109;--surface:#1c1913;--ink:#f4efe4;--muted:#a79c88;--line:#2f2a21;--dark:#080706;--dark-soft:#171410;--shadow:0 20px 55px rgba(0,0,0,.35)}
}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
.wrap{width:min(1160px,calc(100% - 40px));margin-inline:auto}
/* nav */
.nav{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-weight:800;letter-spacing:-.02em;font-size:1.12rem}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--dark);color:#fff;display:grid;place-items:center;font-size:.82rem;font-weight:800;letter-spacing:.02em}
.brand-mark b{color:var(--accent)}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a.nl{text-decoration:none;color:var(--muted);font-weight:600;font-size:.95rem}
.nav-links a.nl:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;text-decoration:none;font-weight:700;padding:12px 22px;border-radius:999px;font-size:.95rem;border:0;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(240,90,40,.35)}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn.ghost:hover{box-shadow:none;border-color:var(--accent)}
.btn.small{padding:9px 18px;font-size:.88rem}
/* hero */
.hero{padding:88px 0 64px;position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-deep);border:1px solid var(--line);background:var(--surface);padding:8px 16px;border-radius:999px;margin-bottom:26px}
.hero h1{font-size:clamp(2.5rem,5.4vw,4.3rem);line-height:1.04;letter-spacing:-.035em;margin:0 0 22px;font-weight:800;max-width:16ch}
.hero h1 .hl{color:var(--accent)}
.lede{font-size:clamp(1.05rem,1.6vw,1.28rem);color:var(--muted);max-width:60ch;margin:0 0 34px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero-meta{margin-top:26px;color:var(--muted);font-size:.92rem;display:flex;gap:10px;align-items:center}
.dot{width:5px;height:5px;border-radius:50%;background:var(--accent)}
/* sections */
.section{padding:72px 0}
.sec-head{max-width:720px;margin-bottom:44px}
.sec-kicker{font-size:.78rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-deep);margin-bottom:12px}
.sec-title{font-size:clamp(1.7rem,3vw,2.5rem);letter-spacing:-.03em;margin:0 0 14px;font-weight:800;line-height:1.12}
.sec-sub{color:var(--muted);font-size:1.05rem;margin:0}
/* focus cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;box-shadow:var(--shadow);transition:transform .18s ease}
.card:hover{transform:translateY(-4px)}
.card .num{font-size:.78rem;font-weight:800;letter-spacing:.14em;color:var(--accent);margin-bottom:14px}
.card h3{margin:0 0 10px;font-size:1.28rem;letter-spacing:-.02em}
.card p{margin:0;color:var(--muted);font-size:.98rem}
/* principles */
.principles{background:var(--dark);color:#f4efe4;border-radius:26px;padding:56px clamp(28px,5vw,64px);display:grid;grid-template-columns:repeat(3,1fr);gap:36px}
.principles h3{margin:0 0 8px;font-size:1.12rem}
.principles p{margin:0;color:#b9b0a1;font-size:.96rem}
.principles .pi{border-top:2px solid var(--accent);padding-top:20px}
/* article cards */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;text-decoration:none;display:flex;flex-direction:column;box-shadow:var(--shadow);transition:transform .18s ease}
.post-card:hover{transform:translateY(-4px)}
.post-card .thumb{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,var(--dark) 0%,#2b2119 60%,var(--accent-deep) 130%);display:grid;place-items:center}
.post-card .thumb img{width:100%;height:100%;object-fit:cover}
.post-card .thumb .mono{font-size:2rem;font-weight:800;color:#fff;opacity:.9}
.post-card .thumb .mono b{color:var(--accent)}
.post-card .body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card .meta{font-size:.8rem;color:var(--muted);font-weight:600;letter-spacing:.04em}
.post-card h3{margin:0;font-size:1.14rem;line-height:1.35;letter-spacing:-.015em}
.post-card p{margin:0;color:var(--muted);font-size:.93rem;flex:1}
.post-card .more{font-weight:700;color:var(--accent-deep);font-size:.9rem}
/* feature card */
.feature{display:grid;grid-template-columns:1.1fr 1fr;background:var(--surface);border:1px solid var(--line);border-radius:22px;overflow:hidden;text-decoration:none;box-shadow:var(--shadow);margin-bottom:26px}
.feature .fimg{min-height:300px;background:linear-gradient(135deg,var(--dark),#3a2a1c)}
.feature .fimg img{width:100%;height:100%;object-fit:cover}
.feature .fbody{padding:44px 40px;display:flex;flex-direction:column;justify-content:center;gap:14px}
.feature .tag{align-self:flex-start;font-size:.75rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#fff;background:var(--accent);padding:6px 14px;border-radius:999px}
.feature h3{margin:0;font-size:clamp(1.5rem,2.6vw,2.1rem);letter-spacing:-.025em;line-height:1.15}
.feature p{margin:0;color:var(--muted)}
/* about */
.about{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.about h2{font-size:clamp(1.7rem,3vw,2.4rem);letter-spacing:-.03em;margin:0 0 16px;line-height:1.15}
.about p{color:var(--muted);margin:0 0 16px;font-size:1.04rem}
.about .sig{font-family:var(--serif);font-style:italic;font-size:1.3rem;color:var(--ink)}
/* cta band */
.cta-band{background:var(--dark);color:#f6f1e7;border-radius:26px;padding:clamp(44px,6vw,80px) clamp(28px,6vw,72px);text-align:center;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 50% -10%,rgba(240,90,40,.35),transparent 70%)}
.cta-band h2{font-size:clamp(1.9rem,3.6vw,2.9rem);letter-spacing:-.03em;margin:0 0 16px;position:relative}
.cta-band p{color:#c9c0b1;max-width:56ch;margin:0 auto 32px;position:relative}
.cta-band .btn{position:relative;font-size:1.02rem;padding:15px 34px}
/* footer */
footer{border-top:1px solid var(--line);margin-top:40px;padding:44px 0 54px}
.foot{display:flex;justify-content:space-between;align-items:flex-start;gap:32px;flex-wrap:wrap}
.foot .brand{margin-bottom:12px}
.foot p{color:var(--muted);font-size:.92rem;max-width:38ch;margin:0}
.foot-links{display:flex;gap:26px}
.foot-links a{text-decoration:none;color:var(--muted);font-weight:600;font-size:.94rem}
.foot-links a:hover{color:var(--ink)}
.copy{margin-top:36px;padding-top:24px;border-top:1px solid var(--line);color:var(--muted);font-size:.86rem;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
/* article page */
.crumb{padding:30px 0 0;font-size:.88rem;color:var(--muted)}
.crumb a{text-decoration:none;color:var(--accent-deep);font-weight:600}
.article-head{max-width:820px;margin:0 auto;padding:34px 0 30px;text-align:left}
.article-head h1{font-size:clamp(2rem,4.4vw,3.1rem);letter-spacing:-.03em;line-height:1.1;margin:0 0 18px;font-weight:800}
.article-meta{display:flex;gap:12px;align-items:center;color:var(--muted);font-size:.94rem;flex-wrap:wrap}
.article-hero{max-width:980px;margin:0 auto 10px;border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}
.prose{max-width:700px;margin:0 auto;padding:44px 0 20px;font-family:var(--serif);font-size:1.13rem;line-height:1.78;color:var(--ink)}
.prose h2{font-family:var(--sans);font-size:1.55rem;letter-spacing:-.02em;margin:2.4em 0 .8em;line-height:1.25}
.prose h3{font-family:var(--sans);font-size:1.25rem;letter-spacing:-.015em;margin:2em 0 .7em}
.prose p{margin:0 0 1.4em}
.prose ul,.prose ol{margin:0 0 1.6em;padding-left:1.5em}
.prose li{margin-bottom:.55em}
.prose a{color:var(--accent-deep);text-decoration:underline;text-underline-offset:3px}
.prose img{border-radius:14px;margin:2em auto;box-shadow:var(--shadow)}
.prose blockquote{border-left:3px solid var(--accent);margin:2em 0;padding:.4em 0 .4em 1.4em;font-style:italic;color:var(--muted);font-size:1.06em}
.prose table{width:100%;border-collapse:collapse;margin:2em 0;font-family:var(--sans);font-size:.92rem;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.prose th{background:var(--surface);font-weight:700}
.prose .yt{display:block;position:relative;border-radius:16px;overflow:hidden;margin:2.2em 0;text-decoration:none;box-shadow:var(--shadow)}
.prose .yt img{margin:0;border-radius:0;box-shadow:none}
.prose .yt-cap{position:absolute;inset:auto 0 0 0;display:flex;align-items:center;gap:10px;background:linear-gradient(transparent,rgba(0,0,0,.75));color:#fff;padding:44px 20px 16px;font-family:var(--sans);font-weight:700;font-size:.95rem}
.prose .yt-play{width:44px;height:44px;border-radius:50%;background:var(--accent);display:grid;place-items:center;font-size:1rem;flex:none}
.prevnext{max-width:700px;margin:30px auto 0;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.prevnext a{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px;text-decoration:none;display:block}
.prevnext a:hover{border-color:var(--accent)}
.prevnext .lbl{font-size:.75rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:8px}
.prevnext .t{font-weight:700;font-size:.98rem;line-height:1.4;display:block}
.prevnext .next{text-align:right}
.mini-cta{max-width:700px;margin:56px auto 0;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:40px;text-align:center;box-shadow:var(--shadow)}
.mini-cta h3{margin:0 0 10px;font-size:1.4rem;letter-spacing:-.02em}
.mini-cta p{color:var(--muted);margin:0 0 24px}
/* articles index */
.idx-head{padding:70px 0 40px;max-width:760px}
.idx-head h1{font-size:clamp(2.2rem,4.6vw,3.4rem);letter-spacing:-.035em;margin:0 0 16px;font-weight:800}
.idx-head p{color:var(--muted);font-size:1.1rem;margin:0}
.idx-count{font-size:.85rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-deep);margin-bottom:14px;display:block}
@media(max-width:900px){
.cards{grid-template-columns:1fr 1fr}
.post-grid{grid-template-columns:1fr 1fr}
.principles{grid-template-columns:1fr;gap:26px}
.about{grid-template-columns:1fr;gap:28px}
.feature{grid-template-columns:1fr}
.feature .fimg{min-height:220px}
}
@media(max-width:620px){
.cards{grid-template-columns:1fr}
.post-grid{grid-template-columns:1fr}
.nav-links a.nl{display:none}
.hero{padding:60px 0 46px}
.section{padding:52px 0}
.prevnext{grid-template-columns:1fr}
.prose{font-size:1.06rem}
}

.related{max-width:700px;margin:52px auto 0}
.related h3{font-size:1.15rem;letter-spacing:-.01em;margin:0 0 14px}
.related ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.related a{display:block;padding:14px 18px;border:1px solid var(--line);border-radius:14px;background:var(--surface);font-weight:600}
.related a:hover{border-color:#e8622c}