/*
Theme Name: CourseAsk
Theme URI: https://courseask.com
Author: CourseAsk
Author URI: https://courseask.com
Description: A clean, SEO-focused theme built for long-form "Top X" ranked listicle posts (e.g. Top Nursing Masters Programs in USA). Built for use with the CourseAsk AI Listicle plugin.
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: courseask
*/

/* -------------------------------------------------
   0. Reset / Base
------------------------------------------------- */
:root{
  --ca-primary: #1f4ed8;
  --ca-primary-dark: #1638a8;
  --ca-accent: #f59e0b;
  --ca-text: #1a1d23;
  --ca-text-light: #5b6472;
  --ca-bg: #ffffff;
  --ca-bg-alt: #f6f8fb;
  --ca-border: #e5e9f0;
  --ca-radius: 12px;
  --ca-max-width: 1180px;
  --ca-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--ca-font);
  color: var(--ca-text);
  background: var(--ca-bg);
  line-height: 1.65;
  font-size: 17px;
}
img{ max-width:100%; height:auto; display:block; }
a{ color: var(--ca-primary); text-decoration:none; }
a:hover{ color: var(--ca-primary-dark); }
ul{ padding-left: 1.2em; }
.container{
  max-width: var(--ca-max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* -------------------------------------------------
   1. Header
------------------------------------------------- */
.site-header{
  border-bottom: 1px solid var(--ca-border);
  padding: 18px 0;
  position: sticky;
  top:0;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(6px);
  z-index: 100;
}
.site-header .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 24px;
}
.site-logo a{
  font-size: 22px;
  font-weight: 800;
  color: var(--ca-text);
  letter-spacing: -0.02em;
}
.site-logo a span{ color: var(--ca-primary); }
.main-nav ul{
  display:flex;
  gap: 28px;
  list-style:none;
  margin:0; padding:0;
}
.main-nav a{
  color: var(--ca-text);
  font-weight: 600;
  font-size: 15px;
}
.main-nav a:hover{ color: var(--ca-primary); }
.menu-toggle{ display:none; background:none; border:0; font-size:26px; cursor:pointer; }

@media (max-width: 780px){
  .menu-toggle{ display:block; }
  .main-nav{ display:none; width:100%; }
  .main-nav.is-open{ display:block; }
  .main-nav ul{ flex-direction:column; gap: 14px; padding: 16px 0; }
  .site-header .container{ flex-wrap:wrap; }
}

/* -------------------------------------------------
   2. Hero / Archive
------------------------------------------------- */
.hero{
  background: linear-gradient(135deg, var(--ca-bg-alt), #eef2ff);
  padding: 56px 0;
  text-align:center;
}
.hero h1{ font-size: clamp(28px, 4vw, 42px); margin: 0 0 12px; letter-spacing:-0.02em; }
.hero p{ color: var(--ca-text-light); max-width: 620px; margin: 0 auto; font-size: 18px; }

.post-grid{
  display:grid;
  grid-template-columns: repeat(auto-fill, minmax(300px,1fr));
  gap: 26px;
  padding: 48px 0;
}
.post-card{
  border:1px solid var(--ca-border);
  border-radius: var(--ca-radius);
  overflow:hidden;
  background:#fff;
  transition: box-shadow .2s ease, transform .2s ease;
}
.post-card:hover{ box-shadow: 0 10px 30px rgba(20,30,60,.08); transform: translateY(-2px); }
.post-card .thumb{ aspect-ratio: 16/10; background:#eef1f6; overflow:hidden; }
.post-card .thumb img{ width:100%; height:100%; object-fit:cover; }
.post-card .card-body{ padding: 18px 20px 22px; }
.post-card .cat{ font-size:12px; font-weight:700; color: var(--ca-primary); text-transform:uppercase; letter-spacing:.05em; }
.post-card h2{ font-size: 19px; margin: 8px 0 8px; line-height:1.35; }
.post-card h2 a{ color: var(--ca-text); }
.post-card .excerpt{ color: var(--ca-text-light); font-size: 14.5px; }

/* -------------------------------------------------
   3. Single Listicle Post Layout
------------------------------------------------- */
.listicle-wrap{
  display:grid;
  grid-template-columns: 260px minmax(0,1fr);
  gap: 48px;
  padding: 44px 0 80px;
  align-items:start;
}
@media (max-width: 960px){
  .listicle-wrap{ grid-template-columns: 1fr; }
}

.listicle-header{ grid-column: 1 / -1; max-width: 820px; }
.listicle-header .breadcrumbs{ font-size: 13px; color: var(--ca-text-light); margin-bottom: 14px; }
.listicle-header .breadcrumbs a{ color: var(--ca-text-light); }
.listicle-header h1{ font-size: clamp(28px, 3.6vw, 40px); line-height:1.2; letter-spacing:-0.02em; margin: 0 0 16px; }
.listicle-meta{ display:flex; gap:18px; flex-wrap:wrap; color: var(--ca-text-light); font-size:14px; margin-bottom: 10px; }
.listicle-meta img{ width:28px; height:28px; border-radius:50%; }
.listicle-intro{ font-size: 18px; color: #333; margin-top: 18px; }

/* Sticky TOC sidebar */
.ca-toc{
  position: sticky;
  top: 90px;
  border: 1px solid var(--ca-border);
  border-radius: var(--ca-radius);
  padding: 18px 18px 20px;
  background: var(--ca-bg-alt);
}
.ca-toc h3{ font-size: 13px; text-transform:uppercase; letter-spacing:.06em; color: var(--ca-text-light); margin:0 0 10px; }
.ca-toc ol{ list-style:none; margin:0; padding:0; counter-reset: toc; max-height: 60vh; overflow-y:auto; }
.ca-toc li{ counter-increment: toc; margin-bottom: 8px; }
.ca-toc a{
  display:flex; gap:8px; font-size: 14px; color: var(--ca-text); font-weight:600;
  padding: 4px 0;
}
.ca-toc a::before{
  content: counter(toc);
  flex: 0 0 20px; height:20px; border-radius:50%;
  background: var(--ca-primary); color:#fff;
  font-size: 11px; font-weight:700;
  display:flex; align-items:center; justify-content:center;
}
.ca-toc a:hover{ color: var(--ca-primary); }

/* Ranked items */
.listicle-body{ max-width: 820px; }
.listicle-body > .entry-content{ font-size: 17px; }
.listicle-body h2, .listicle-body h3{ letter-spacing:-0.01em; }

.ca-item{
  border: 1px solid var(--ca-border);
  border-radius: var(--ca-radius);
  padding: 28px;
  margin: 34px 0;
  scroll-margin-top: 90px;
  position: relative;
}
.ca-item-rank{
  display:inline-flex; align-items:center; gap:10px;
  background: var(--ca-bg-alt);
  color: var(--ca-primary);
  font-weight: 800;
  font-size: 13px;
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.ca-item h2{ font-size: 24px; margin: 0 0 6px; }
.ca-item-media{ display:grid; grid-template-columns: 200px 1fr; gap: 22px; margin: 16px 0; }
@media (max-width: 640px){ .ca-item-media{ grid-template-columns: 1fr; } }
.ca-item-media img{ border-radius: 10px; object-fit:cover; width:100%; height:100%; }
.ca-item-facts{ display:flex; flex-wrap:wrap; gap: 10px 22px; font-size: 14px; color: var(--ca-text-light); margin: 10px 0 4px; }
.ca-item-facts strong{ color: var(--ca-text); }
.ca-item-highlights{ background: var(--ca-bg-alt); border-radius: 10px; padding: 16px 20px; margin: 16px 0; }
.ca-item-highlights h4{ margin:0 0 8px; font-size: 14px; }
.ca-item-highlights ul{ margin:0; padding-left: 1.1em; }
.ca-item-highlights li{ margin-bottom: 4px; font-size: 15px; }
.ca-item-content{ font-size: 16px; }
.ca-item-cta{
  display:inline-block; margin-top: 14px;
  background: var(--ca-primary); color:#fff;
  padding: 11px 22px; border-radius: 8px; font-weight:700; font-size:14px;
}
.ca-item-cta:hover{ background: var(--ca-primary-dark); color:#fff; }
.ca-item-rating{ color: var(--ca-accent); font-weight:700; font-size:14px; }

/* -------------------------------------------------
   4. Page / generic content
------------------------------------------------- */
.page-content{ max-width: 820px; margin: 44px auto 80px; padding: 0 20px; }
.page-content h1{ font-size: 34px; margin-bottom: 20px; }

/* -------------------------------------------------
   5. Footer
------------------------------------------------- */
.site-footer{
  background: var(--ca-text);
  color: #cbd3e1;
  padding: 46px 0 30px;
  margin-top: 40px;
}
.footer-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(180px,1fr));
  gap: 30px;
  margin-bottom: 30px;
}
.footer-grid h4{ color:#fff; font-size:14px; text-transform:uppercase; letter-spacing:.05em; margin-bottom:14px; }
.footer-grid ul{ list-style:none; padding:0; margin:0; }
.footer-grid li{ margin-bottom: 8px; }
.footer-grid a{ color:#cbd3e1; font-size:14px; }
.footer-grid a:hover{ color:#fff; }
.footer-bottom{
  border-top: 1px solid #333c4d;
  padding-top: 18px;
  font-size: 13px;
  color: #8b93a6;
  text-align:center;
}

/* -------------------------------------------------
   6. Misc
------------------------------------------------- */
.ca-disclosure{
  font-size: 13px; color: var(--ca-text-light);
  background: var(--ca-bg-alt); border-left: 3px solid var(--ca-primary);
  padding: 10px 14px; border-radius: 6px; margin: 20px 0;
}
.pagination{ display:flex; gap:10px; justify-content:center; padding: 20px 0 60px; }
.pagination a, .pagination span{
  padding: 8px 14px; border:1px solid var(--ca-border); border-radius:8px; font-size:14px;
}
.pagination .current{ background: var(--ca-primary); color:#fff; border-color: var(--ca-primary); }