/*
Theme Name: GrammarSharpMinds
Theme URI: https://grammarsharpminds.com
Author: GrammarSharpMinds
Description: Clean editorial theme for word meanings, slang, and phrase guides.
Version: 1.0.0
Requires PHP: 8.0
Text Domain: gsm
*/

:root{
  --ink:#1a1a1a;
  --ink-soft:#3f3f46;
  --muted:#6b7280;
  --line:#e7e5e4;
  --bg:#ffffff;
  --bg-alt:#faf9f7;
  --accent:#3454d1;
  --accent-dark:#26399e;
  --accent-soft:#eef1fc;
  --radius:10px;
  --serif: Georgia, 'Iowan Old Style', 'Palatino Linotype', 'Book Antiqua', Palatino, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --maxw: 1180px;
  --measure: 720px;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  font-size:17px;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius)}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--serif);line-height:1.25;color:var(--ink);font-weight:700;margin:1.6em 0 .6em}
h1{font-size:2.4rem;margin-top:0}
h2{font-size:1.6rem;padding-top:.2em}
h3{font-size:1.25rem}
p{margin:0 0 1.2em}
ul,ol{margin:0 0 1.2em;padding-left:1.4em}
li{margin-bottom:.4em}
strong{color:var(--ink)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.wrap-narrow{max-width:var(--measure);margin:0 auto}

/* Header */
.site-header{border-bottom:1px solid var(--line);background:var(--bg);position:sticky;top:0;z-index:50;backdrop-filter:saturate(180%) blur(6px);background:rgba(255,255,255,.92)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;padding-top:16px;padding-bottom:16px;gap:20px}
.site-logo{font-family:var(--serif);font-weight:700;font-size:1.5rem;color:var(--ink);letter-spacing:-.01em}
.site-logo span{color:var(--accent)}
.main-nav ul{list-style:none;display:flex;gap:28px;margin:0;padding:0}
.main-nav a{color:var(--ink-soft);font-weight:600;font-size:.95rem}
.main-nav a:hover{color:var(--accent);text-decoration:none}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 10px;cursor:pointer}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{content:'';display:block;width:20px;height:2px;background:var(--ink);position:relative;margin:5px 0}

/* Hero / front */
.hero{background:linear-gradient(180deg,var(--bg-alt),var(--bg));border-bottom:1px solid var(--line);padding:56px 0 40px}
.hero h1{font-size:2.6rem;max-width:760px}
.hero p.lede{font-size:1.15rem;color:var(--ink-soft);max-width:640px}

/* Post grid / cards */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin:40px 0}
.post-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--bg);transition:box-shadow .15s ease,transform .15s ease;display:flex;flex-direction:column}
.post-card:hover{box-shadow:0 8px 24px rgba(0,0,0,.08);transform:translateY(-2px)}
.post-card .card-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.post-card .cat{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--accent);font-weight:700;margin-bottom:8px}
.post-card h3{margin:0 0 8px;font-size:1.15rem;line-height:1.35}
.post-card h3 a{color:var(--ink)}
.post-card p{color:var(--muted);font-size:.92rem;margin-bottom:0;flex:1}
.post-card .meta{margin-top:14px;font-size:.8rem;color:var(--muted)}
.post-card img{aspect-ratio:16/10;object-fit:cover;width:100%;border-radius:0}

/* Section headings */
.section-head{display:flex;align-items:baseline;justify-content:space-between;margin:48px 0 8px}
.section-head h2{margin:0;font-size:1.4rem}
.section-head a{font-size:.9rem;font-weight:600}

/* Breadcrumbs */
.breadcrumbs{font-size:.85rem;color:var(--muted);margin:18px 0}
.breadcrumbs a{color:var(--muted)}
.breadcrumbs a:hover{color:var(--accent)}
.breadcrumbs .sep{margin:0 6px;color:var(--line)}

/* Single article */
.article-header{padding:36px 0 8px}
.article-header .cat-badge{display:inline-block;background:var(--accent-soft);color:var(--accent-dark);font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;padding:4px 10px;border-radius:999px;margin-bottom:14px}
.article-header h1{font-size:2.3rem;max-width:var(--measure)}
.article-meta{color:var(--muted);font-size:.9rem;display:flex;gap:14px;flex-wrap:wrap;margin:12px 0 0}
.article-featured{margin:28px 0}
.article-featured img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-body{max-width:var(--measure);font-size:1.08rem}
.article-body h2{padding-top:1em}
.article-body ul li::marker,.article-body ol li::marker{color:var(--accent)}

.toc{background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;margin:28px 0;max-width:var(--measure)}
.toc-title{font-weight:700;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-soft);margin-bottom:10px}
.toc ol{margin:0;padding-left:1.2em}
.toc a{color:var(--ink-soft);font-weight:500}
.toc a:hover{color:var(--accent)}

.key-takeaways{background:var(--accent-soft);border-left:4px solid var(--accent);border-radius:0 var(--radius) var(--radius) 0;padding:18px 24px;margin:28px 0;max-width:var(--measure)}
.key-takeaways h2,.key-takeaways h3{margin-top:0;font-size:1.1rem;color:var(--accent-dark)}

.faq-section{max-width:var(--measure);margin-top:36px}
.faq-item{border-bottom:1px solid var(--line);padding:16px 0}
.faq-item h3{margin:0 0 8px;font-size:1.05rem}
.faq-item p{margin:0;color:var(--ink-soft)}

.share-tags{max-width:var(--measure);margin:32px 0;display:flex;flex-wrap:wrap;gap:8px}
.tag-pill{background:var(--bg-alt);border:1px solid var(--line);color:var(--ink-soft);font-size:.8rem;padding:5px 12px;border-radius:999px}

.related-posts{margin:56px 0}

/* Sidebar-free single column footer widgets not used; simple footer */
.site-footer{background:var(--bg-alt);margin-top:64px;padding:40px 0}
.footer-grid{display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px}
.footer-links{list-style:none;display:flex;gap:20px;padding:0;margin:0;flex-wrap:wrap}
.footer-links a{color:var(--ink-soft);font-size:.9rem}
.footer-copy{color:var(--muted);font-size:.85rem;margin-top:18px}

.pagination{display:flex;gap:8px;justify-content:center;margin:40px 0}
.pagination a,.pagination span{padding:8px 14px;border:1px solid var(--line);border-radius:8px;font-size:.9rem;color:var(--ink-soft)}
.pagination .current{background:var(--accent);color:#fff;border-color:var(--accent)}

.search-form{display:flex;gap:8px;max-width:420px}
.search-form input[type=search]{flex:1;padding:10px 14px;border:1px solid var(--line);border-radius:8px;font-size:.95rem}
.search-form button{padding:10px 16px;background:var(--accent);color:#fff;border:none;border-radius:8px;font-weight:600;cursor:pointer}

@media (max-width:900px){
  .post-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:680px){
  .main-nav{position:fixed;top:64px;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--line);padding:16px 24px;display:none}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;gap:16px}
  .nav-toggle{display:block}
  .post-grid{grid-template-columns:1fr}
  .article-header h1{font-size:1.7rem}
  .hero h1{font-size:1.9rem}
  body{font-size:16px}
}

@media (prefers-color-scheme: dark){
  body.auto-dark{
    --ink:#e8e8e6; --ink-soft:#c7c7cc; --muted:#9a9a9f; --line:#2a2a2e;
    --bg:#111113; --bg-alt:#18181b; --accent:#7f96ff; --accent-dark:#a6b6ff; --accent-soft:#1b2140;
  }
}