/* ============================================================
   OPTEAM — shared long-form / resource styles
   Used by: resources/*.html (articles, whitepapers, ebooks, infographics)
   Pairs with site.css (tokens, buttons, cards, reveal).
   ============================================================ */

/* ---------- article hero — dark, matches all other pages ---------- */
.art-hero{background:var(--ink);color:#F4ECE2;overflow:hidden;position:relative;
  padding-top:clamp(40px,6vw,76px);padding-bottom:clamp(28px,4vw,46px)}
.art-hero .glow{position:absolute;top:-40%;right:-10%;width:70%;height:200%;pointer-events:none;
  background:radial-gradient(50% 40% at 60% 30%,rgba(242,106,31,.18),transparent 70%)}
.art-hero .crumb,.art-hero .crumb a,.art-hero .art-read{color:rgba(245,238,226,.45)}
.art-hero .crumb a:hover{color:rgba(245,238,226,.85)}
.art-hero h1{color:#F4ECE2}
.art-hero .art-dek{color:rgba(245,238,226,.72)}
.art-hero .art-cat{background:rgba(242,106,31,.15);border-color:rgba(242,106,31,.38);color:#F39559}
.art-hero .art-cat.solid{background:var(--accent);color:#fff;border-color:transparent}
.art-hero .art-byline b{color:#F4ECE2}
.art-hero .art-byline span{color:rgba(245,238,226,.5)}
.art-hero .art-byline .av{background:linear-gradient(135deg,rgba(242,106,31,.8),rgba(200,70,15,.9))}
.crumb{display:flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.06em;color:var(--muted);margin-bottom:22px;flex-wrap:wrap}
.crumb a:hover{color:var(--accent-ink)}
.crumb .sep{opacity:.5}
.art-cats{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:18px}
.art-cat{font-family:var(--font-mono);font-size:.62rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;padding:5px 11px;border-radius:var(--r-pill);background:var(--cream-2);color:var(--accent-ink);border:1px solid var(--line)}
.art-cat.solid{background:var(--accent);color:#fff;border-color:transparent}
.art-read{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.art-hero h1{font-size:clamp(2rem,4.4vw,3.4rem);line-height:1.04;letter-spacing:-.026em;max-width:20ch}
.art-dek{font-size:clamp(1.1rem,1.6vw,1.42rem);line-height:1.5;color:var(--text-2);max-width:56ch;margin-top:18px}
.art-byline{display:flex;align-items:center;gap:12px;margin-top:26px}
.art-byline .av{width:44px;height:44px;border-radius:50%;flex:none;background:linear-gradient(135deg,var(--accent),var(--accent-2));display:grid;place-items:center;color:#fff;font-weight:700;font-family:var(--font-display);font-size:1.02rem}
.art-byline b{display:block;font-size:.94rem}
.art-byline span{font-size:.82rem;color:var(--muted)}

/* ---------- layout: prose + aside ---------- */
.art-wrap{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:clamp(34px,5vw,68px);align-items:start;max-width:1060px;margin-inline:auto}
@media(max-width:900px){.art-wrap{grid-template-columns:1fr;gap:30px}}
.art-aside{position:sticky;top:96px;display:flex;flex-direction:column;gap:24px}
@media(max-width:900px){.art-aside{position:static;flex-direction:row;flex-wrap:wrap;gap:14px}}
.toc{border-left:2px solid var(--line);padding-left:18px}
@media(max-width:900px){.toc{display:none}}
.toc .lab{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.toc a{display:block;font-size:.9rem;color:var(--text-2);padding:5px 0;line-height:1.35;transition:color .2s}
.toc a:hover,.toc a.on{color:var(--accent-ink)}
.share{display:flex;gap:9px;flex-wrap:wrap}
.share .lab{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);width:100%;margin-bottom:4px}
@media(max-width:900px){.share .lab{display:none}}
.share a{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;color:var(--text-2);background:var(--paper);transition:all .2s}
.share a:hover{color:var(--accent-ink);border-color:var(--line-2);transform:translateY(-2px)}
.share a svg{width:17px;height:17px;fill:currentColor}

/* ---------- prose ---------- */
.prose{max-width:none;font-size:1.075rem;line-height:1.72;color:#37302A}
.prose>*+*{margin-top:1.25em}
.prose h2{font-size:clamp(1.5rem,2.4vw,2rem);line-height:1.12;letter-spacing:-.02em;color:var(--text);margin-top:1.9em;scroll-margin-top:100px}
.prose h3{font-size:clamp(1.18rem,1.7vw,1.42rem);letter-spacing:-.015em;color:var(--text);margin-top:1.5em}
.prose p{text-wrap:pretty}
.prose a:not(.btn){color:var(--accent-ink);text-decoration:underline;text-decoration-color:rgba(176,66,16,.32);text-underline-offset:3px;transition:text-decoration-color .2s}
.prose a:not(.btn):hover{text-decoration-color:var(--accent-ink)}
.prose strong{font-weight:700;color:var(--text)}
.prose ul,.prose ol{padding-left:1.3em;display:flex;flex-direction:column;gap:.5em}
.prose li{padding-left:.2em}
.prose li::marker{color:var(--accent)}
.prose blockquote{border-left:3px solid var(--accent);padding:4px 0 4px 22px;font-size:1.2rem;line-height:1.5;font-weight:500;color:var(--text);font-style:normal}
.prose figure{margin-top:1.6em}
.prose figcaption{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.04em;color:var(--muted);margin-top:10px;text-align:center}
.prose hr{border:0;height:1px;background:var(--line);margin:2.2em 0}

/* lead paragraph */
.prose .lead-p{font-size:1.24rem;line-height:1.6;color:var(--text);font-weight:400}

/* drop-figure / image-slot */
.fig-img{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--cream-2);position:relative;min-height:300px}
.fig-img image-slot{position:absolute;inset:0;width:100%;height:100%}

/* callout */
.callout{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px 24px;display:flex;gap:15px;align-items:flex-start}
.callout .ci{width:38px;height:38px;border-radius:11px;flex:none;display:grid;place-items:center;background:rgba(242,106,31,.1);color:var(--accent-ink);border:1px solid var(--line)}
.callout .ci svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.callout .ct b{display:block;font-size:.96rem;margin-bottom:4px;color:var(--text)}
.callout .ct p{font-size:.96rem;color:var(--text-2);margin:0}
.callout.accent{background:#0C0805;border-color:var(--line-dark)}
.callout.accent .ct b{color:#FBF6EF}.callout.accent .ct p{color:#CDC0B2}
.callout.accent .ci{background:rgba(242,106,31,.16);color:var(--accent-2);border-color:transparent}

/* key stat row */
.kstats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:1.6em}
@media(max-width:560px){.kstats{grid-template-columns:1fr}}
.kstat{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--shadow-sm)}
.kstat .n{font-family:var(--font-display);font-weight:700;font-size:2rem;letter-spacing:-.03em;color:var(--accent-ink);line-height:1}
.kstat .l{font-size:.86rem;color:var(--text-2);margin-top:8px}

/* pull-list / takeaways */
.takeaways{background:var(--cream-2);border:1px solid var(--line);border-radius:var(--r-xl);padding:clamp(24px,3vw,34px)}
.takeaways .lab{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-ink);margin-bottom:16px;display:flex;align-items:center;gap:9px}
.takeaways ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:13px}
.takeaways li{display:flex;gap:12px;align-items:flex-start;font-size:1.02rem;line-height:1.5;color:var(--text)}
.takeaways li::before{content:"";width:22px;height:22px;flex:none;margin-top:1px;border-radius:50%;background:rgba(242,106,31,.14) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23B04210' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") center/12px no-repeat}

/* inline CTA band */
.art-cta{margin-top:clamp(40px,5vw,64px);background:var(--ink);border-radius:var(--r-xl);padding:clamp(30px,4vw,48px);text-align:center;position:relative;overflow:hidden}
.art-cta::before{content:"";position:absolute;inset:0;background:radial-gradient(560px 280px at 50% -20%,rgba(242,106,31,.26),transparent 60%)}
.art-cta>*{position:relative}
.art-cta h2{color:#FBF6EF;font-size:clamp(1.5rem,2.6vw,2.1rem)}
.art-cta p{color:#CDC0B2;margin:12px auto 0;max-width:46ch}
.art-cta .row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:26px}

/* ---------- related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:900px){.related-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.related-grid{grid-template-columns:1fr}}
.rel-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:10px;transition:transform .3s var(--ease),box-shadow .3s,border-color .3s}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-2)}
.rel-card .art-cat{align-self:flex-start}
.rel-card h3{font-size:1.1rem;letter-spacing:-.015em}
.rel-card p{font-size:.9rem;color:var(--text-2);flex:1}
.rel-card .more{font-weight:600;font-size:.88rem;color:var(--accent-ink);display:inline-flex;align-items:center;gap:6px}
.rel-card .more svg{width:14px;height:14px;transition:transform .25s}
.rel-card:hover .more svg{transform:translateX(3px)}

/* ---------- gated asset (whitepaper / ebook) ---------- */
.asset-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(34px,5vw,64px);align-items:center}
@media(max-width:900px){.asset-grid{grid-template-columns:1fr;gap:36px}}
.asset-cover{position:relative;aspect-ratio:1/1.32;border-radius:18px;overflow:hidden;box-shadow:var(--shadow-xl);background:linear-gradient(150deg,#16110D,#0B0806);border:1px solid var(--line-dark);display:flex;flex-direction:column;justify-content:space-between;padding:clamp(26px,3vw,40px);color:#fff;max-width:420px}
.asset-cover::before{content:"";position:absolute;inset:0;background:radial-gradient(420px 300px at 80% 0%,rgba(242,106,31,.34),transparent 62%);pointer-events:none}
.asset-cover .ac-top{position:relative;display:flex;align-items:center;justify-content:space-between}
.asset-cover .ac-kind{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent-2)}
.asset-cover .ac-mark{width:34px;height:34px}
.asset-cover .ac-body{position:relative}
.asset-cover .ac-body h2{color:#fff;font-size:clamp(1.5rem,2.4vw,2.1rem);line-height:1.08;letter-spacing:-.02em}
.asset-cover .ac-body .sub{color:#CDC0B2;font-size:.95rem;margin-top:12px}
.asset-cover .ac-foot{position:relative;display:flex;align-items:center;gap:9px;font-family:var(--font-mono);font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-d)}
.asset-meta{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}
.asset-meta .m{display:inline-flex;align-items:center;gap:8px;font-size:.84rem;color:var(--text-2);background:var(--paper);border:1px solid var(--line);border-radius:var(--r-pill);padding:7px 13px}
.asset-meta .m svg{width:15px;height:15px;fill:none;stroke:var(--accent-ink);stroke-width:1.8}
.gate{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-xl);padding:clamp(22px,2.6vw,30px);box-shadow:var(--shadow-md);max-width:460px}
.gate h3{font-size:1.2rem}
.gate p{font-size:.92rem;color:var(--text-2);margin-top:6px}
.gate form{display:flex;flex-direction:column;gap:11px;margin-top:18px}
.gate .row2{display:grid;grid-template-columns:1fr 1fr;gap:11px}
@media(max-width:460px){.gate .row2{grid-template-columns:1fr}}
.gate input{font-family:var(--font-sans);font-size:.95rem;color:var(--text);background:var(--surface);border:1px solid var(--line);border-radius:11px;padding:12px 14px;width:100%}
.gate input:focus{outline:none;border-color:var(--accent-2);background:#fff}
.gate .fine{font-size:.74rem;color:var(--muted);margin-top:4px}
.gate .ok{font-family:var(--font-mono);font-size:.82rem;letter-spacing:.04em;color:#1d8a59;display:flex;align-items:center;gap:8px}

/* whats inside list */
.inside{display:flex;flex-direction:column;gap:13px;margin-top:6px}
.inside .it{display:flex;gap:12px;align-items:flex-start}
.inside .it .n{font-family:var(--font-mono);font-size:.74rem;color:var(--accent-ink);font-weight:700;margin-top:2px;flex:none;width:24px}
.inside .it b{display:block;font-size:1rem}
.inside .it span{font-size:.9rem;color:var(--text-2)}