/* ============================================================
   Enact Blog — design system (replicates enact.solar)
   Display: Poppins (rounded geometric)  ·  Body: Lato
   Accent teal #15A3C0 · navy ink · light-mist sections
   ============================================================ */

:root{
  --teal:#15a3c0;
  --teal-dark:#0f8aa4;
  --teal-soft:#e7f6f9;
  --navy:#243340;          /* headings + dark sections */
  --navy-2:#2c3e4c;        /* footer top */
  --navy-3:#222f3a;        /* footer fade */
  --ink:#161616;           /* copyright bar */
  --paper:#ffffff;
  --mist:#f3f5f6;          /* light alt section */
  --line:#e7eaec;
  --body:#5b6970;          /* gray body text */
  --body-soft:#7c888e;
  --green:#36a536;         /* blog meta */
  --gold:#f2b134;
  --shadow-sm:0 6px 18px rgba(36,51,64,.07);
  --shadow-md:0 18px 44px rgba(36,51,64,.12);
  --shadow-card:0 22px 48px rgba(36,51,64,.10);
  --r-card:16px;
  --r-pill:999px;
  --maxw:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Lato",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--body);
  background:var(--paper);
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--teal);text-decoration:none}
a:hover{color:var(--teal-dark)}

h1,h2,h3,h4{
  font-family:"Poppins",sans-serif;
  color:var(--navy);
  line-height:1.18;
  margin:0 0 .5em;
  font-weight:700;
  letter-spacing:-.01em;
}
h1{font-size:clamp(2rem,4.4vw,3.1rem);font-weight:800}
h2{font-size:clamp(1.5rem,2.8vw,2.1rem);font-weight:800}
h3{font-size:1.28rem;font-weight:700}
p{margin:0 0 1.1em}

.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.narrow{max-width:760px;margin:0 auto;padding:0 24px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5em;
  font-family:"Poppins",sans-serif;font-weight:600;font-size:.97rem;
  padding:.78em 1.7em;border-radius:var(--r-pill);
  background:var(--teal);color:#fff;border:0;cursor:pointer;
  box-shadow:0 10px 22px rgba(21,163,192,.32);
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn:hover{background:var(--teal-dark);color:#fff;transform:translateY(-2px);
  box-shadow:0 16px 30px rgba(21,163,192,.4)}
.btn-ghost{
  background:transparent;color:var(--navy);box-shadow:none;
  border:2px solid var(--line);padding:.7em 1.5em;
}
.btn-ghost:hover{background:var(--mist);color:var(--navy);transform:translateY(-2px);box-shadow:none}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:.6rem;font-family:"Poppins";
  font-weight:800;font-size:1.5rem;color:var(--navy);letter-spacing:-.02em}
.brand:hover{color:var(--navy)}
.brand .mark{width:34px;height:34px;flex:0 0 auto}
.nav-links{display:flex;align-items:center;gap:1.7rem;list-style:none;margin:0;padding:0}
.nav-links a{font-family:"Poppins";font-weight:500;font-size:.96rem;color:var(--navy)}
.nav-links a:hover{color:var(--teal)}
.nav-links a.active{color:var(--teal)}
.nav-cta{display:flex;align-items:center;gap:1.1rem}
.nav-login{font-family:"Poppins";font-weight:600;color:var(--navy);font-size:.95rem}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--navy);margin:5px 0;border-radius:2px;transition:.25s}

/* ---------- hero (blog landing) ---------- */
.hero{
  background:linear-gradient(180deg,#fff 0%,var(--mist) 100%);
  padding:64px 0 56px;border-bottom:1px solid var(--line);
}
.hero .eyebrow{
  font-family:"Poppins";font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--teal);font-size:.78rem;margin-bottom:1rem;
}
.hero h1{max-width:14ch}
.hero .lede{font-size:1.18rem;max-width:60ch;color:var(--body)}
.hero-search{display:flex;gap:.6rem;margin-top:1.6rem;max-width:460px}
.hero-search input{
  flex:1;padding:.8em 1.1em;border-radius:var(--r-pill);border:1px solid var(--line);
  font-family:"Lato";font-size:1rem;background:#fff;color:var(--navy);
}
.hero-search input:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 4px var(--teal-soft)}

/* ---------- category chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:.55rem;margin:30px 0 4px}
.chip{
  font-family:"Poppins";font-weight:500;font-size:.85rem;
  padding:.42em 1.05em;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--navy);cursor:pointer;
  transition:.18s;
}
.chip:hover{border-color:var(--teal);color:var(--teal)}
.chip.active{background:var(--navy);border-color:var(--navy);color:#fff}

/* ---------- blog grid ---------- */
.section{padding:64px 0}
.section.mist{background:var(--mist)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;margin-bottom:34px}
.section-head h2{font-style:italic;margin:0}
.kicker{font-family:"Poppins";font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--teal);font-size:.76rem;margin-bottom:.7rem}

.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.card{
  background:#fff;border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-card);display:flex;flex-direction:column;
  transition:transform .22s ease, box-shadow .22s ease;
}
.card:hover{transform:translateY(-6px);box-shadow:0 30px 60px rgba(36,51,64,.16)}
.card .thumb{aspect-ratio:16/10;width:100%;object-fit:cover;background:var(--mist)}
.card .body{padding:24px 24px 28px;display:flex;flex-direction:column;flex:1}
.card h3{font-style:italic;font-size:1.16rem;margin-bottom:.6rem}
.card h3 a{color:var(--navy)}
.card h3 a:hover{color:var(--teal)}
.meta{font-family:"Poppins";font-weight:600;font-size:.82rem;color:var(--green);margin-bottom:.8rem}
.card p{font-size:.97rem;margin:0 0 1.2em}
.card .more{margin-top:auto;font-family:"Poppins";font-weight:600;color:var(--teal);font-size:.9rem}
.card.feature{grid-column:span 3;flex-direction:row;align-items:stretch}
.card.feature>a{flex:0 0 50%;width:50%;display:block}
.card.feature .thumb{width:100%;height:100%;aspect-ratio:auto;min-height:380px;object-fit:cover}
.card.feature .body{flex:1;padding:46px 50px;justify-content:center}
.card.feature .meta{font-size:.86rem}
.card.feature h3{font-size:1.7rem;line-height:1.22}
.card.feature p{font-size:1.02rem}
.no-results{font-family:"Poppins";color:var(--body-soft);text-align:center;padding:40px 0}

/* ---------- article ---------- */
.article-hero{padding:54px 0 0;background:linear-gradient(180deg,#fff,var(--mist))}
.breadcrumb{font-family:"Poppins";font-weight:500;font-size:.84rem;color:var(--body-soft);margin-bottom:1.3rem}
.breadcrumb a{color:var(--body-soft)}
.breadcrumb a:hover{color:var(--teal)}
.article-hero h1{max-width:20ch;margin-bottom:.7rem}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:.9rem;font-family:"Poppins";
  font-size:.9rem;color:var(--body);margin:1rem 0 0}
.article-meta .cat{color:var(--green);font-weight:600}
.article-meta .dot{color:var(--line)}
.article-cover{margin:34px 0 0;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-md);
  aspect-ratio:16/7;width:100%;object-fit:cover}

.article-body{padding:48px 0 16px;font-size:1.07rem}
.article-body h2{margin-top:2.1em;font-size:1.6rem}
.article-body h3{margin-top:1.6em;color:var(--navy)}
.article-body p{margin:0 0 1.25em}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.3em}
.article-body li{margin:.4em 0}
.article-body strong{color:var(--navy)}
.article-body a{border-bottom:1px solid rgba(21,163,192,.35)}

/* answer-first box (AEO) */
.answer{
  background:var(--teal-soft);border:1px solid #cdeaf0;border-left:4px solid var(--teal);
  border-radius:14px;padding:22px 26px;margin:0 0 30px;
}
.answer .label{font-family:"Poppins";font-weight:700;color:var(--teal-dark);
  text-transform:uppercase;letter-spacing:.08em;font-size:.74rem;margin-bottom:.5rem}
.answer p{margin:0;color:var(--navy);font-size:1.07rem;line-height:1.65}

/* key takeaways */
.takeaways{background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:24px 28px;margin:0 0 34px;box-shadow:var(--shadow-sm)}
.takeaways h2{font-size:1.05rem!important;margin:0 0 .8rem!important;text-transform:uppercase;
  letter-spacing:.07em;color:var(--navy);font-family:"Poppins"}
.takeaways ul{list-style:none;margin:0;padding:0}
.takeaways li{position:relative;padding-left:1.7em;margin:.55em 0;color:var(--navy)}
.takeaways li::before{content:"";position:absolute;left:0;top:.55em;width:9px;height:9px;
  background:var(--teal);border-radius:50%}

/* table */
.tbl-wrap{overflow-x:auto;margin:0 0 1.6em;border-radius:12px;border:1px solid var(--line)}
table{border-collapse:collapse;width:100%;font-size:.96rem}
th,td{text-align:left;padding:.8em 1em;border-bottom:1px solid var(--line)}
th{font-family:"Poppins";font-weight:600;background:var(--mist);color:var(--navy)}
tr:last-child td{border-bottom:0}

/* pull stat */
.statline{display:flex;flex-wrap:wrap;gap:18px;margin:8px 0 30px}
.statline .stat{flex:1;min-width:150px;background:var(--navy);color:#fff;border-radius:14px;padding:20px 22px}
.statline .stat b{font-family:"Poppins";font-weight:800;font-size:1.8rem;display:block;line-height:1}
.statline .stat span{font-size:.85rem;color:#b9c6cf}

/* TOC */
.toc{background:var(--mist);border-radius:14px;padding:20px 24px;margin:0 0 34px}
.toc strong{font-family:"Poppins";color:var(--navy);font-size:.8rem;text-transform:uppercase;letter-spacing:.08em}
.toc ol{margin:.6em 0 0;padding-left:1.2em}
.toc a{color:var(--body)}
.toc a:hover{color:var(--teal)}

/* blockquote (authority quote) */
.article-body blockquote.quote{
  margin:32px 0;padding:22px 28px;border-left:4px solid var(--teal);
  background:linear-gradient(180deg,#fff,var(--mist));border-radius:0 14px 14px 0;
  font-size:1.12rem;line-height:1.6;color:var(--navy);font-style:italic;
}
.article-body blockquote.quote p{margin:0 0 .5em}
.article-body blockquote.quote cite{display:block;font-style:normal;font-family:"Poppins";
  font-weight:600;font-size:.86rem;color:var(--body);margin-top:.4em}
.article-body blockquote.quote cite a{border:0}

/* checklist */
.article-body ul.checklist{list-style:none;margin:1.2em 0 1.6em;padding:0}
.article-body ul.checklist li{position:relative;padding:.15em 0 .15em 2em;margin:.55em 0}
.article-body ul.checklist li::before{content:"";position:absolute;left:0;top:.36em;
  width:18px;height:18px;border-radius:5px;background:var(--teal-soft);
  border:1.5px solid var(--teal)}
.article-body ul.checklist li::after{content:"";position:absolute;left:6px;top:.5em;
  width:5px;height:9px;border:solid var(--teal);border-width:0 2px 2px 0;transform:rotate(45deg)}

/* sources / references */
.sources{margin:44px 0 0;padding:24px 28px;background:var(--mist);border-radius:14px}
.sources h2{font-size:1.15rem!important;margin:0 0 .7rem!important;font-style:normal}
.sources ol{margin:0;padding-left:1.3em;columns:1}
.sources li{margin:.4em 0;font-size:.93rem;word-break:break-word}
.sources a{border:0;color:var(--teal-dark)}

/* FAQ */
.faq{margin:46px 0 0}
.faq h2{font-style:italic}
.faq details{border-bottom:1px solid var(--line);padding:.2em 0}
.faq summary{font-family:"Poppins";font-weight:600;color:var(--navy);font-size:1.06rem;
  padding:1em 2em 1em 0;cursor:pointer;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:.2em;top:.75em;font-size:1.5rem;
  color:var(--teal);font-weight:400;transition:transform .2s}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:0 0 1.2em;color:var(--body)}

/* author / cta blocks */
.author{display:flex;gap:16px;align-items:center;margin:46px 0 0;padding:24px;
  background:var(--mist);border-radius:14px}
.author .avatar{width:56px;height:56px;border-radius:50%;flex:0 0 auto;
  background:linear-gradient(135deg,var(--teal),#3ec7a8);display:flex;align-items:center;
  justify-content:center;color:#fff;font-family:"Poppins";font-weight:700;font-size:1.2rem}
.author .who b{font-family:"Poppins";color:var(--navy);display:block}
.author .who span{font-size:.9rem}

.cta-band{background:var(--navy);color:#fff;border-radius:20px;padding:46px 44px;
  margin:54px 0 0;text-align:center}
.cta-band h2{color:#fff;font-style:italic;margin-bottom:.4em}
.cta-band p{color:#c4cfd6;max-width:54ch;margin:0 auto 1.6em}

/* related */
.related .grid{grid-template-columns:repeat(3,1fr)}

/* ---------- footer (wave + dark slate) ---------- */
.footer-wave{display:block;width:100%;height:90px;margin-bottom:-2px}
.site-footer{background:linear-gradient(180deg,var(--navy-2),var(--navy-3));color:#c7d2da}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding:18px 0 52px}
.footer-about p{font-style:italic;font-size:.96rem;line-height:1.7;color:#aebcc6}
.footer-col h4{font-family:"Poppins";font-weight:700;color:#fff;font-size:1.05rem;margin:0 0 1rem}
.footer-col h4+h4{margin-top:1.8rem}
.footer-col ul{list-style:none;margin:0 0 .4rem;padding:0}
.footer-col li{margin:.5em 0}
.footer-col a{color:#7fc6d8;font-size:.95rem}
.footer-col a:hover{color:#fff}
.socials{display:flex;gap:.6rem;margin-top:1.4rem}
.socials a{width:38px;height:38px;border-radius:8px;display:flex;align-items:center;justify-content:center;
  background:#33485a;color:#fff;transition:.18s}
.socials a:hover{transform:translateY(-2px);color:#fff}
.socials a svg{width:18px;height:18px;fill:currentColor}
.footer-bar{background:var(--ink);color:#8b8b8b;font-size:.9rem}
.footer-bar .container{display:flex;justify-content:space-between;align-items:center;
  padding-top:20px;padding-bottom:20px;flex-wrap:wrap;gap:8px}
.footer-bar a{color:#8b8b8b}
.footer-bar a:hover{color:#bdbdbd}

/* demo banner */
.demo-flag{background:var(--gold);color:#3a2c00;text-align:center;font-family:"Poppins";
  font-weight:600;font-size:.82rem;padding:.5em 1em;letter-spacing:.01em}
.demo-flag a{color:#3a2c00;text-decoration:underline}

/* ---------- responsive ---------- */
@media(max-width:920px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .card.feature{flex-direction:column;grid-column:span 2}
  .card.feature>a{width:100%;flex:auto}
  .card.feature .thumb{width:100%;min-height:240px;aspect-ratio:16/10}
  .card.feature .body{padding:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:760px){
  .nav-links,.nav-login{display:none}
  .nav-toggle{display:block}
  .nav.open .nav-links{display:flex;position:absolute;top:76px;left:0;right:0;background:#fff;
    flex-direction:column;align-items:flex-start;gap:0;padding:8px 24px 20px;border-bottom:1px solid var(--line)}
  .nav.open .nav-links li{width:100%;padding:.7em 0;border-bottom:1px solid var(--line)}
  .grid{grid-template-columns:1fr}
  .card.feature{grid-column:span 1}
  .section{padding:48px 0}
  .footer-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}