/* =========================================================================
   Future Business Media — shared editorial magazine template
   Mobile-first. Display: Fraunces (serif). UI/body: Inter.
   Per-brand accent is injected from site.yaml (--accent), default below.
   ========================================================================= */

:root{
  --ink:#211c16;
  --ink-soft:#544c41;
  --ink-faint:#8d8478;
  --line:#e4ddcf;
  --line-soft:#ede7da;
  --bg:#f8f5ef;
  --bg-card:#fffdf9;
  --bg-tint:#efe8da;
  --navy:#241f18;
  --navy-deep:#1a1610;
  --accent:#bd4b1a;
  --accent-dark:#9c3d14;

  --maxw:960px;
  --gut:clamp(18px,4.2vw,40px);
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(16,32,54,.05), 0 8px 18px -12px rgba(16,32,54,.20);
  --shadow:0 2px 4px rgba(16,32,54,.05), 0 22px 40px -22px rgba(16,32,54,.30);

  --sans:"Lato",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --display:"Raleway",var(--sans);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);border-top:5px solid var(--accent);
  font-family:var(--sans);font-size:1.0625rem;line-height:1.7;font-weight:300;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--display);font-weight:700;line-height:1.16;color:var(--ink);margin:0;letter-spacing:-.01em}
::selection{background:var(--accent);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:3px}

.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut)}
.section{padding-top:clamp(42px,6vw,66px)}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--accent);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;z-index:200}
.skip-link:focus{left:0}

/* hidden state-toggle for the mobile drawer */
.nav-toggle{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}

/* ---------- kicker / eyebrow ---------- */
.kicker{display:inline-block;font:700 .7rem/1 var(--sans);
  letter-spacing:.15em;text-transform:uppercase;color:var(--accent)}
.kicker--lg{font-size:.76rem;letter-spacing:.17em}
.eyebrow{display:inline-block;font:700 .7rem/1 var(--sans);
  letter-spacing:.15em;text-transform:uppercase;color:var(--accent)}
.eyebrow--light{color:#ff9d86;color:color-mix(in srgb,var(--accent) 58%,white)}

/* ---------- topbar ---------- */
.topbar{background:var(--navy);color:#c4d2e1;font-size:.78rem}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;min-height:36px;gap:14px}
.topbar-parent{letter-spacing:.01em}
.topbar-parent a{color:#fff;font-weight:600}
.topbar-parent a:hover{color:color-mix(in srgb,var(--accent) 50%,white)}
.topbar-links a{color:#cbd8e6;margin-left:18px}
.topbar-links a:hover{color:#fff}

/* ---------- masthead ---------- */
.masthead{background:#fff;border-bottom:1px solid var(--line)}
.masthead-inner{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:12px;
  padding:14px 0}
.brand{display:inline-flex;align-items:center;gap:11px;justify-self:start}
.brand-mark{display:inline-flex;flex:none;color:var(--accent)}
.brand-mark svg{height:34px;width:34px;display:block}
.brand-text{font-family:var(--display);font-weight:700;font-size:clamp(1.35rem,5.4vw,1.7rem);
  letter-spacing:-.015em;color:var(--navy);white-space:nowrap}
.tagline-line{display:none}

.masthead-actions{justify-self:end;display:none;align-items:center}
.subscribe-btn{display:inline-flex;align-items:center;background:var(--accent);color:#fff;
  font-weight:600;font-size:.84rem;padding:10px 17px;border-radius:8px;letter-spacing:.01em;
  transition:background .15s,transform .15s}
.subscribe-btn:hover{background:var(--accent-dark)}

.search{position:relative;display:flex;align-items:center}
.search--desktop{display:none}
.search-input{width:100%;border:1px solid var(--line);border-radius:999px;background:var(--bg-tint);
  padding:9px 38px 9px 16px;font:.9rem var(--sans);color:var(--ink);transition:border-color .15s,background .15s}
.search-input::placeholder{color:var(--ink-faint)}
.search-input:focus{outline:none;border-color:var(--accent);background:#fff;
  box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 18%,transparent)}
.search-btn{position:absolute;right:5px;top:50%;transform:translateY(-50%);background:none;border:0;
  color:var(--ink-faint);cursor:pointer;padding:6px;display:flex}
.search-btn:hover{color:var(--accent)}

/* burger (mobile only) */
.burger{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;cursor:pointer;justify-self:start}
.burger span{height:2px;width:24px;background:var(--ink);border-radius:2px;display:block}

/* desktop primary nav */
.mainnav{display:none;border-top:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:30}
.mainnav-inner{display:flex;justify-content:center;flex-wrap:wrap;gap:clamp(18px,2.6vw,36px)}
.mainnav a{display:inline-block;padding:15px 0;font:600 .8rem/1 var(--sans);text-transform:uppercase;
  letter-spacing:.08em;color:var(--ink-soft);border-bottom:2px solid transparent;transition:color .15s,border-color .15s}
.mainnav a:hover,.mainnav a:focus-visible{color:var(--accent);border-bottom-color:var(--accent)}
.mainnav-home{color:var(--ink)}

/* ---------- mobile drawer ---------- */
.nav-scrim{position:fixed;inset:0;background:rgba(9,20,33,.5);opacity:0;visibility:hidden;
  transition:opacity .25s,visibility .25s;z-index:90}
.nav-drawer{position:fixed;top:0;right:0;height:100%;width:min(85vw,360px);background:#fff;
  transform:translateX(100%);transition:transform .3s cubic-bezier(.4,.0,.2,1);z-index:100;
  box-shadow:-20px 0 50px -20px rgba(9,20,33,.5);padding:18px 22px 28px;overflow-y:auto;
  display:flex;flex-direction:column;gap:18px}
.nav-toggle:checked ~ .nav-scrim{opacity:1;visibility:visible}
.nav-toggle:checked ~ .nav-drawer{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-title{font-family:var(--display);font-weight:600;font-size:1.15rem;color:var(--navy)}
.drawer-close{font-size:1.9rem;line-height:1;color:var(--ink-faint);cursor:pointer;padding:0 6px}
.drawer-close:hover{color:var(--accent)}
.search--drawer .search-input{width:100%;padding-right:16px}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{padding:13px 2px;font-weight:600;font-size:1.02rem;color:var(--ink);
  border-bottom:1px solid var(--line-soft)}
.drawer-nav a:hover{color:var(--accent)}
.drawer-sub{justify-content:center;padding:13px;font-size:.95rem}

/* ---------- home: lead block ---------- */
.lead{display:grid;gap:clamp(30px,5vw,44px);padding-top:clamp(26px,4vw,42px)}
.lead-media{display:block;border-radius:var(--radius);overflow:hidden;background:var(--bg-tint);
  aspect-ratio:16/9}
.lead-media img,.lead-media .thumb-fallback{width:100%;height:100%}
.lead-media img{object-fit:cover;transition:transform .5s ease}
.lead-feature:hover .lead-media img{transform:scale(1.03)}
.lead-feature-body{padding-top:18px}
.lead-title{font-weight:800;font-size:clamp(1.8rem,5vw,2.85rem);line-height:1.08;letter-spacing:-.02em;margin:.3em 0 .3em}
.lead-title a:hover{color:var(--accent)}
.lead-dek{color:var(--ink-soft);font-weight:300;font-size:clamp(1.05rem,2.2vw,1.2rem);line-height:1.55;margin:0;max-width:54ch}
.lead-readmore{display:inline-flex;align-items:center;gap:8px;margin-top:18px;
  font-weight:600;color:var(--accent);font-size:.95rem}
.lead-readmore svg{transition:transform .2s}
.lead-readmore:hover svg{transform:translateX(4px)}

.lead-rail{align-self:start}
.rail-title{font-family:var(--display);font-weight:600;font-size:1.15rem;color:var(--ink);
  padding-bottom:12px;border-bottom:2px solid var(--ink);margin:0 0 4px}
.rail-list{list-style:none;margin:0;padding:0}
.rail-item{border-bottom:1px solid var(--line)}
.rail-link{display:grid;grid-template-columns:88px 1fr;gap:15px;align-items:center;padding:16px 0}
.rail-thumb{display:block;width:88px;height:66px;border-radius:9px;overflow:hidden;background:var(--bg-tint)}
.rail-thumb img,.rail-thumb .thumb-fallback{width:100%;height:100%;object-fit:cover}
.rail-text{display:flex;flex-direction:column;gap:7px;min-width:0}
.rail-headline{font-family:var(--display);font-weight:600;font-size:1.02rem;line-height:1.22;color:var(--ink)}
.rail-link:hover .rail-headline{color:var(--accent)}

/* image fallback (no photo yet) */
.thumb-fallback{display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,color-mix(in srgb,var(--accent) 11%,#fff),color-mix(in srgb,var(--accent) 3%,#fff))}
.thumb-fallback svg{width:32%;height:32%;opacity:.4}

/* ---------- section title ---------- */
.section-title{display:flex;align-items:baseline;gap:18px;font-weight:700;
  font-size:clamp(1.4rem,2.8vw,1.8rem);letter-spacing:-.015em;color:var(--ink);margin:0 0 clamp(22px,3vw,30px)}
.section-title::after{content:"";flex:1 1 auto;height:2px;align-self:center;
  background:linear-gradient(90deg,var(--line),transparent)}

/* ---------- cards ---------- */
.card-grid{display:grid;gap:clamp(30px,3.2vw,46px) clamp(24px,2.6vw,34px);
  grid-template-columns:repeat(auto-fill,minmax(min(100%,292px),1fr))}
.card{display:flex;flex-direction:column;background:none}
.card-media{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--bg-tint);border-radius:10px}
.card-media img,.card-media .thumb-fallback{width:100%;height:100%}
.card-media img{object-fit:cover;transition:transform .5s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{display:flex;flex-direction:column;gap:8px;padding:16px 2px 0;flex:1}
.card-title{font-family:var(--display);font-weight:700;font-size:1.24rem;line-height:1.24;color:var(--ink);letter-spacing:-.01em}
.card:hover .card-title{color:var(--accent)}
.card-dek{color:var(--ink-soft);font-size:.97rem;font-weight:300;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:6px;color:var(--ink-faint);font-size:.72rem;
  letter-spacing:.1em;text-transform:uppercase;font-weight:700}
.card--noimg .card-media{display:none}

/* ---------- article ---------- */
.article-head{margin-inline:auto;padding-top:clamp(28px,5vw,52px)}
.breadcrumb{display:flex;align-items:center;gap:9px;font-size:.8rem;color:var(--ink-faint);margin-bottom:18px}
.breadcrumb a{color:var(--ink-faint)}
.breadcrumb a:hover{color:var(--accent)}
.article-title{font-weight:800;font-size:clamp(1.9rem,4.8vw,2.7rem);line-height:1.1;letter-spacing:-.022em;margin:.3em 0 .35em}
.article-dek{font-size:clamp(1.08rem,2.4vw,1.28rem);line-height:1.55;color:var(--ink-soft);margin:0;font-weight:300}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:22px;
  padding-top:18px;border-top:1px solid var(--line);font-size:.85rem;color:var(--ink-faint)}
.article-meta .byline{font-weight:600;color:var(--ink-soft)}
.article-meta .dot{color:var(--line)}
.article-hero{margin:clamp(22px,3.5vw,34px) auto 0}
.article-hero img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:16px;background:var(--bg-tint)}
.article-body{margin-inline:auto;padding-top:clamp(24px,3.5vw,38px)}

/* ---------- prose ---------- */
.prose{font-size:1.12rem;line-height:1.72;color:#26333f}
.prose>p:first-of-type{color:var(--ink-soft)}
.prose p{margin:0 0 1.15em}
.prose h2{font-size:clamp(1.4rem,3.2vw,1.82rem);line-height:1.2;margin:1.9em 0 .55em;position:relative;padding-top:.5em}
.prose h2::before{content:"";display:block;width:44px;height:3px;border-radius:2px;background:var(--accent);margin-bottom:.6em}
.prose h3{font-size:1.28rem;margin:1.7em 0 .45em}
.prose a{color:var(--accent);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:2px}
.prose a:hover{text-decoration-thickness:2px}
.prose ul,.prose ol{padding-left:1.3em;margin:0 0 1.2em}
.prose li{margin:.4em 0}
.prose li::marker{color:var(--accent)}
.prose strong{font-weight:700;color:var(--ink)}
.prose blockquote{margin:1.8em 0;padding:.2em 0 .2em 1.4em;border-left:3px solid var(--accent);
  font-family:var(--sans);font-style:italic;font-weight:400;font-size:1.3rem;line-height:1.5;color:var(--ink-soft)}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.prose img{border-radius:12px;border:1px solid var(--line);margin:1.4em 0}
.prose table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:.98rem;
  display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top}
.prose th{background:var(--bg-tint);font-family:var(--sans);font-weight:600;font-size:.86rem;
  text-transform:uppercase;letter-spacing:.04em;color:var(--ink-soft)}
.prose tbody tr:nth-child(even){background:#fafcfe}
.prose code{background:var(--bg-tint);border:1px solid var(--line);border-radius:5px;
  padding:.1em .4em;font-size:.92em}

figure.diagram{margin:1.8em 0;text-align:center}
figure.diagram img{max-width:100%;border:1px solid var(--line);border-radius:12px;background:#fff;padding:14px;margin-inline:auto}
figure.diagram figcaption{font-size:.88rem;color:var(--ink-faint);margin-top:.7em}

/* affiliate product CTA (image + Amazon button) */
.product-cta{display:flex;align-items:center;gap:22px;border:1px solid var(--line);
  border-radius:14px;background:var(--bg-card,#fffdf9);padding:18px 20px;margin:1.6em 0;box-shadow:var(--shadow-sm)}
.product-cta img{flex:none;width:130px;height:130px;object-fit:contain;background:#fff;
  border:1px solid var(--line-soft);border-radius:8px;margin:0}
.product-cta .cta-side{flex:1;min-width:0}
.product-cta .cta-note{display:block;color:var(--ink-faint);font-size:.86rem;margin-top:.5em}
.amazon-btn{display:inline-flex;align-items:center;gap:8px;background:#e8821f;color:#1a1209;
  font-weight:700;font-size:1rem;padding:12px 24px;border-radius:9px;text-decoration:none;
  box-shadow:0 2px 0 #b9670f;transition:background .15s}
.amazon-btn:hover{background:#f0a500;text-decoration:none}
@media(max-width:520px){.product-cta{flex-direction:column;text-align:center}}

.explainer{padding-top:clamp(40px,6vw,64px)}
.explainer .prose{margin-inline:auto;border-top:1px solid var(--line);padding-top:clamp(24px,4vw,38px)}
.related{padding-bottom:8px}

/* ---------- calculators / tools (content uses these) ---------- */
.calc{border:1px solid var(--line);border-radius:14px;padding:24px;background:var(--bg-tint);margin:1.6em 0;box-shadow:var(--shadow-sm)}
.calc h3{margin:.1em 0 .8em;font-family:var(--display)}
.calc .row{display:flex;flex-wrap:wrap;gap:14px 22px;align-items:flex-end;margin-bottom:14px}
.calc .field{display:flex;flex-direction:column;gap:5px;font-size:.88rem;color:var(--ink-soft)}
.calc input[type=number]{font-size:1rem;padding:10px 12px;border:1px solid var(--line);border-radius:9px;width:140px;background:#fff}
.calc input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 16%,transparent)}
.calc button{background:var(--accent);color:#fff;border:0;border-radius:9px;padding:12px 22px;font-size:1rem;font-weight:600;cursor:pointer;font-family:var(--sans)}
.calc button:hover{background:var(--accent-dark)}
.calc .result{margin-top:16px;padding:18px;border-radius:11px;background:#fff;border:1px solid var(--line);display:none}
.calc .result.show{display:block}
.calc .big{font-size:1.55rem;font-weight:700;color:var(--ink);font-family:var(--display)}
.calc .muted{color:var(--ink-faint);font-size:.92rem}
.conv-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.tool-list{list-style:none;padding:0;margin:1.4em 0;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.tool-list a{display:block;border:1px solid var(--line);border-radius:12px;padding:20px;background:#fff;box-shadow:var(--shadow-sm);transition:transform .16s,box-shadow .16s}
.tool-list a:hover{transform:translateY(-3px);box-shadow:var(--shadow)}

/* ---------- newsletter ---------- */
.newsletter{margin-top:clamp(48px,7vw,84px);background:var(--navy);color:#fff;position:relative;overflow:hidden}
.newsletter::before{content:"";position:absolute;top:-40%;right:-10%;width:60%;height:180%;
  background:radial-gradient(closest-side,color-mix(in srgb,var(--accent) 34%,transparent),transparent);
  pointer-events:none}
.newsletter-inner{position:relative;display:grid;gap:24px;align-items:center;padding:clamp(34px,5vw,56px) 0}
.newsletter h2{color:#fff;font-size:clamp(1.5rem,3.2vw,2.05rem);margin:.3em 0 .35em;line-height:1.12}
.newsletter p{color:#c5d3e2;margin:0;max-width:48ch;line-height:1.55}
.newsletter-form{display:flex;gap:10px;flex-wrap:wrap}
.newsletter-form input{flex:1 1 240px;min-width:0;padding:14px 16px;border-radius:10px;
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);color:#fff;font:1rem var(--sans)}
.newsletter-form input::placeholder{color:#9fb1c4}
.newsletter-form input:focus{outline:none;border-color:color-mix(in srgb,var(--accent) 60%,white);background:rgba(255,255,255,.13)}
.newsletter-form button{background:var(--accent);color:#fff;border:0;border-radius:10px;
  padding:14px 26px;font:600 1rem var(--sans);cursor:pointer;transition:background .15s}
.newsletter-form button:hover{background:var(--accent-dark)}

/* ---------- footer ---------- */
.site-footer{background:var(--navy-deep);color:#aebccb}
.footer-grid{display:grid;gap:30px 28px;padding:clamp(40px,5vw,56px) var(--gut) clamp(28px,3vw,36px)}
.footer-logo{display:inline-flex;align-items:center;gap:10px;font-family:var(--display);
  font-weight:700;font-size:1.3rem;color:#fff}
.footer-logo .brand-mark svg{height:30px;width:30px}
.footer-brand p{color:#90a3b6;margin:.7em 0 0;font-size:.92rem;max-width:34ch;line-height:1.55}
.footer-contact{font-size:.88rem}
.footer-contact a{color:#cdd9e6;font-weight:600}
.footer-contact a:hover{color:#fff}
.footer-col h3{font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:#6f8298;margin:0 0 .9em}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin:.5em 0}
.footer-col a{color:#b7c6d6;font-size:.93rem}
.footer-col a:hover{color:#fff}
.footer-bar{border-top:1px solid rgba(255,255,255,.09)}
.footer-bar-inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;
  padding:16px 0;font-size:.8rem;color:#7f93a8}
.footer-disclaimer{max-width:62ch}

/* =========================================================================
   Responsive
   ========================================================================= */
@media(min-width:560px){
  .tagline-line{display:block;text-align:center;font-family:var(--sans);color:var(--ink-soft);
    font-size:1rem;font-weight:300;letter-spacing:0;text-transform:none;margin:3px 0 0}
}

/* ---------- editorial detailing ---------- */
.section-title::before{content:"";flex:none;width:26px;height:3px;border-radius:2px;
  background:var(--accent);align-self:center}
.article-body .prose>p:first-of-type::first-letter,
.explainer .prose>p:first-of-type::first-letter{
  float:left;font-family:var(--display);font-weight:800;font-size:3.6em;line-height:.78;
  padding:.02em .12em 0 0;color:var(--accent)}

/* tablet: roomier lead, rail thumbs already fine */
@media(min-width:680px){
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr}
}

/* desktop chrome: centered masthead, primary nav, search */
@media(min-width:920px){
  .masthead-inner{grid-template-columns:1fr auto 1fr;padding:22px 0 16px}
  .brand{justify-self:center}
  .brand-mark svg{height:40px;width:40px}
  .brand-text{font-size:clamp(1.7rem,2.6vw,2.1rem)}
  .search--desktop{display:flex;justify-self:start;width:190px}
  .masthead-actions{display:flex}
  .burger{display:none}
  .mainnav{display:block}
  .tagline-line{margin:5px 0 14px;font-size:1.05rem}
  .nav-drawer,.nav-scrim{display:none}
  .footer-grid{grid-template-columns:1.7fr 1fr 1fr 1fr}
}

@media(min-width:1000px){
  .lead{grid-template-columns:minmax(0,1.65fr) minmax(0,1fr);gap:clamp(40px,4vw,56px);align-items:start}
  .lead-feature-body{padding-top:20px}
}

@media(prefers-reduced-motion:reduce){
  *{transition:none!important;scroll-behavior:auto!important;animation:none!important}
}