/* Shared styles for Nashville Hot Tub Pros blog (index + articles) */
*,*::before,*::after{box-sizing:border-box}
:root{
  --ink:#0a2229;
  --ink-2:#13384a;
  --teal:#0b3d4a;
  --teal-2:#10566a;
  --aqua:#3fb6c9;
  --aqua-soft:#b6e7ee;
  --copper:#d97a3c;
  --copper-2:#b85f24;
  --bg:#f6fafb;
  --paper:#ffffff;
  --line:#e3edf0;
  --muted:#5d7a83;
  --shadow:0 10px 30px -12px rgba(11,61,74,.18), 0 2px 6px rgba(11,61,74,.06);
  --radius:14px;
}
html,body{margin:0;padding:0}
body{
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3{font-family:'Fraunces',Georgia,serif;font-weight:700;letter-spacing:-0.01em;line-height:1.2;margin:0 0 .5em}
h1{font-size:clamp(2rem,4.5vw,3.1rem);font-weight:800;letter-spacing:-0.02em}
h2{font-size:clamp(1.5rem,3vw,2rem);margin-top:1.8em}
h3{font-size:1.2rem;font-family:'Inter',sans-serif;font-weight:700;letter-spacing:-0.005em}
p{margin:0 0 1.1em;color:#2a4a55}
a{color:var(--teal-2);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1140px;margin:0 auto;padding:0 22px}

/* Nav (matches index.html) */
.topbar{position:sticky;top:0;z-index:51;background:var(--ink);color:#fff;height:40px;display:flex;align-items:center}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;width:100%}
.topbar span{font-size:.78rem;font-weight:400;color:#b6e7ee}
.topbar .tb-left{display:flex;gap:18px;align-items:center}
.topbar a{color:#fff;font-weight:400;font-size:.9rem;text-decoration:none}
.topbar a:hover{text-decoration:underline}
header.nav{position:sticky;top:40px;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(160%) blur(10px);-webkit-backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;padding:14px 22px}
.brand{display:flex;align-items:center;gap:10px;font-family:'Fraunces',serif;font-weight:800;font-size:1.15rem;color:var(--ink)}
.brand-mark{width:36px;height:36px;border-radius:8px;background:var(--teal);display:grid;place-items:center;color:#fff}
.nav-links{display:flex;gap:26px;align-items:center}
.nav-links a{color:var(--ink-2);font-weight:500;font-size:.95rem}
.nav-cta{display:inline-flex;align-items:center;gap:8px;background:var(--copper);color:#fff !important;padding:10px 16px;border-radius:999px;font-weight:600;box-shadow:0 6px 14px -6px rgba(217,122,60,.7);transition:transform .15s ease, box-shadow .15s ease, background .15s}
.nav-cta:hover{background:var(--copper-2);text-decoration:none;transform:translateY(-1px)}
.nav-cta svg{width:16px;height:16px}
@media (max-width:840px){.nav-links a:not(.nav-cta){display:none}}

/* Blog page header */
.page-header{
  background:
    radial-gradient(1000px 400px at 80% -10%, rgba(63,182,201,.32), transparent 60%),
    radial-gradient(800px 400px at -10% 110%, rgba(217,122,60,.16), transparent 60%),
    linear-gradient(180deg,#eaf6f8 0%, #f6fafb 100%);
  padding:70px 0 56px;border-bottom:1px solid var(--line);
}
.page-header .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--teal-2);font-weight:600;font-size:.85rem;text-transform:uppercase;letter-spacing:.12em;background:rgba(63,182,201,.15);padding:6px 12px;border-radius:999px;margin-bottom:18px}
.page-header h1{margin:0 0 12px}
.page-header p{font-size:1.1rem;color:#365663;max-width:680px;margin:0}

/* Blog grid */
section.blog-list{padding:60px 0 90px}
.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:900px){.blog-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.blog-grid{grid-template-columns:1fr}}
.blog-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;transition:transform .2s, box-shadow .2s, border-color .2s;
  text-decoration:none;color:inherit;
}
.blog-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--aqua-soft);text-decoration:none}
.blog-card .thumb{
  aspect-ratio:16/10;
  background:linear-gradient(135deg,var(--aqua) 0%,var(--teal) 100%);
  display:grid;place-items:center;color:#fff;font-size:2.6rem;
}
.blog-card .body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.blog-card .tag{font-size:.74rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--copper);margin-bottom:10px}
.blog-card h3{margin:0 0 8px;font-family:'Fraunces',serif;font-size:1.12rem;line-height:1.3}
.blog-card p{margin:0 0 14px;font-size:.93rem;color:#5d7a83}
.blog-card .read-more{margin-top:auto;color:var(--teal-2);font-weight:600;font-size:.92rem}

/* Article page */
.article-wrap{max-width:780px;margin:0 auto;padding:60px 22px 80px}
.breadcrumb{font-size:.85rem;color:var(--muted);margin-bottom:14px}
.breadcrumb a{color:var(--teal-2)}
.article-wrap h1{margin-bottom:14px}
.article-meta{font-size:.9rem;color:var(--muted);margin-bottom:28px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.article-wrap h2{font-size:1.55rem;margin-top:2em}
.article-wrap h3{font-size:1.15rem;margin-top:1.6em}
.article-wrap ul,.article-wrap ol{padding-left:1.3em;margin:0 0 1.3em;color:#2a4a55}
.article-wrap li{margin-bottom:.5em}
.article-wrap strong{color:var(--ink)}
.article-cta{
  margin:36px 0;padding:30px;border-radius:18px;
  background:linear-gradient(120deg,var(--teal) 0%,var(--ink-2) 100%);
  color:#fff;position:relative;overflow:hidden;
}
.article-cta::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 300px at 90% -20%, rgba(63,182,201,.35), transparent 60%);pointer-events:none}
.article-cta h3{color:#fff;margin:0 0 8px;font-family:'Fraunces',serif;font-size:1.3rem;position:relative}
.article-cta p{color:#cfe6ec;margin:0 0 16px;position:relative}
.article-cta .btn{
  display:inline-flex;align-items:center;gap:10px;background:var(--copper);color:#fff;
  padding:13px 22px;border-radius:12px;font-weight:600;text-decoration:none;position:relative;
  box-shadow:0 8px 18px -8px rgba(217,122,60,.6);
}
.article-cta .btn:hover{background:var(--copper-2);text-decoration:none}

/* Bottom CTA banner (article foot) */
.cta-banner{
  background:linear-gradient(120deg,var(--teal) 0%,var(--ink-2) 100%);
  color:#fff;padding:60px 0;position:relative;overflow:hidden;
}
.cta-banner::before{content:"";position:absolute;inset:0;background:radial-gradient(800px 400px at 90% -20%, rgba(63,182,201,.35), transparent 60%);pointer-events:none}
.cta-banner .wrap{position:relative;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}
@media (max-width:780px){.cta-banner .wrap{grid-template-columns:1fr;text-align:center}}
.cta-banner h2{color:#fff;margin:0;font-family:'Fraunces',serif}
.cta-banner p{color:#cfe6ec;margin:8px 0 0}
.btn-light{display:inline-flex;align-items:center;gap:10px;background:#fff;color:var(--teal);padding:16px 26px;border-radius:12px;font-weight:600;text-decoration:none}
.btn-light:hover{background:#eaf6f8;text-decoration:none}
.btn-light svg{width:18px;height:18px}

/* Related */
.related{padding:60px 0;background:var(--bg)}
.related h2{font-family:'Fraunces',serif;margin:0 0 26px;font-size:1.6rem}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:780px){.related-grid{grid-template-columns:1fr}}
.related-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;display:block;transition:border-color .2s,transform .2s}
.related-card:hover{border-color:var(--aqua-soft);transform:translateY(-2px);text-decoration:none}
.related-card .tag{font-size:.72rem;font-weight:700;color:var(--copper);text-transform:uppercase;letter-spacing:.08em}
.related-card h3{font-family:'Fraunces',serif;font-size:1.05rem;margin:8px 0 0;color:var(--ink)}

/* Footer */
footer.site-foot{background:var(--ink);color:#a9c8d0;padding:50px 0 26px;font-size:.9rem}
footer.site-foot .grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;margin-bottom:36px}
@media (max-width:780px){footer.site-foot .grid{grid-template-columns:1fr 1fr}}
@media (max-width:480px){footer.site-foot .grid{grid-template-columns:1fr}}
footer.site-foot h4{color:#fff;font-size:1rem;margin:0 0 14px;font-family:'Inter',sans-serif;font-weight:600}
footer.site-foot a{color:#cfe6ec;display:block;padding:3px 0}
footer.site-foot .brand{color:#fff;margin-bottom:14px}
footer.site-foot .brand-mark{box-shadow:none}
.footer-bot{border-top:1px solid #1c4554;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:#7da3ad}
.legal{font-size:.78rem}

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