/*
Theme Name: Usegnu Claude
Theme URI: https://usegnu.net
Author: Randy Usegnu
Author URI: https://usegnu.net
Description: A full-width, card-based news and blog theme with a category header bar and a meta-link footer. Each post is shown as a card with a 300px thumbnail. Built around a custom five-color palette.
Version: 1.1.0
Requires at least: 5.5
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: usegnu-grid
Tags: news, blog, grid-layout, full-width-template, custom-logo, custom-menu, featured-images, two-columns, threaded-comments
*/

/* ============================================================
   COLOR PALETTE (CSS variables)
   #173F5F navy  |  #20639B blue  |  #3CAEA3 teal
   #F6D55C yellow |  #ED553B red
   ============================================================ */
:root {
  --navy:   #173F5F;
  --blue:   #20639B;
  --teal:   #3CAEA3;
  --yellow: #F6D55C;
  --red:    #ED553B;

  --ink:        #1b2733;
  --muted:      #5c6b78;
  --card-bg:    #ffffff;
  --page-bg:    #eef2f5;
  --border:     #dfe6ec;

  --radius: 10px;
  --shadow: 0 2px 4px rgba(23,63,95,.06), 0 8px 24px rgba(23,63,95,.08);
  --shadow-hover: 0 6px 12px rgba(23,63,95,.12), 0 18px 40px rgba(23,63,95,.16);

  --maxwidth: 100%;
  --reading-width: 80%;
  --gutter: clamp(16px, 3vw, 40px);
}

/* ============================================================
   RESET / BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--page-bg);
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 18px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--red); text-decoration: none; transition: color .15s ease; }
a:hover { color: var(--blue); }

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4 {
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.2;
  color: var(--navy);
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  left: -9999px;
  background: var(--navy);
  color: #fff;
  padding: 10px 16px;
  z-index: 1000;
}
.skip-link:focus { left: 12px; top: 12px; color: #fff; }

/* Visually hidden but available to screen readers */
.screen-reader-text {
  border: 0;
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  width: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  position: absolute !important;
  word-wrap: normal !important;
}

/* ============================================================
   SITE HEADER
   ============================================================ */
.site-header {
  background: var(--navy);
  color: #fff;
  width: 100%;
}

.header-inner {
  max-width: var(--maxwidth);
  margin: 0 auto;
  padding: 22px var(--gutter) 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.site-branding { display: flex; align-items: center; gap: 14px; min-width: 0; }

.site-title {
  margin: 0;
  font-size: 30px;
  letter-spacing: .5px;
}
.site-title a { color: #fff; }
.site-title a:hover { color: var(--yellow); }

.site-description {
  margin: 0;
  color: var(--teal);
  font-size: 15px;
  font-style: italic;
}

.custom-logo { max-height: 54px; width: auto; }

/* Header search box */
.header-search {
  display: flex;
  align-items: stretch;
  flex: 0 1 320px;
  max-width: 320px;
  background: #fff;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(0,0,0,.15);
}
.header-search .search-field {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  padding: 10px 14px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 15px;
  color: var(--ink);
  background: transparent;
}
.header-search .search-field::placeholder { color: var(--muted); }
.header-search .search-submit {
  flex: 0 0 auto;
  border: 0;
  cursor: pointer;
  background: var(--red);
  color: #fff;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .15s ease;
}
.header-search .search-submit:hover { background: var(--blue); }
.header-search .search-submit svg { display: block; }

/* Category navigation bar */
.nav-bar {
  background: var(--blue);
  width: 100%;
  border-top: 3px solid var(--teal);
}

.nav-inner {
  max-width: var(--maxwidth);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.nav-bar ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
}

.nav-bar li { position: relative; }

.nav-bar a {
  display: block;
  color: #fff;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .4px;
  text-transform: uppercase;
  padding: 14px 18px;
  transition: background .15s ease, color .15s ease;
}
.nav-bar a:hover,
.nav-bar .current-cat a,
.nav-bar .current-menu-item a {
  background: var(--teal);
  color: var(--navy);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  background: var(--teal);
  color: var(--navy);
  border: 0;
  font-family: Arial, sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 14px;
  padding: 12px 18px;
  width: 100%;
  cursor: pointer;
}

/* ============================================================
   FULL-WIDTH CONTENT AREA
   ============================================================ */
.site-content {
  max-width: var(--maxwidth);
  width: 100%;
  margin: 0 auto;
  padding: var(--gutter);
}

.page-heading {
  font-size: 24px;
  margin: 0 0 20px;
  padding-bottom: 10px;
  border-bottom: 3px solid var(--yellow);
}

/* ============================================================
   CARD GRID  (each card = one post, 300px thumbnail)
   ============================================================ */
.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--gutter);
  width: 100%;
}

.post-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
  transition: transform .18s ease, box-shadow .18s ease;
}
.post-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

/* 300px thumbnail area */
.post-thumb {
  display: block;
  width: 100%;
  height: 300px;
  overflow: hidden;
  background: var(--navy);
  position: relative;
}
.post-thumb img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: transform .4s ease;
}
.post-card:hover .post-thumb img { transform: scale(1.05); }

/* placeholder for posts with no featured image */
.post-thumb--empty {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--navy), var(--blue));
  color: var(--yellow);
  font-family: Arial, sans-serif;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-size: 14px;
}

.post-body {
  padding: 22px 24px 26px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.post-card .entry-title {
  margin: 0 0 10px;
  font-size: 22px;
}
.post-card .entry-title a { color: var(--red); }
.post-card .entry-title a:hover { color: var(--navy); }

.post-meta {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.post-meta .meta-cat a {
  background: var(--teal);
  color: var(--navy);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 12px;
  text-transform: uppercase;
}
.post-meta .meta-cat a:hover { background: var(--yellow); }

.post-excerpt {
  color: var(--ink);
  font-size: 16.5px;
  margin: 0 0 18px;
  flex: 1;
}

/* Read More button */
.read-more {
  align-self: flex-start;
  display: inline-block;
  background: transparent;
  color: var(--red);
  border: 2px solid var(--red);
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .5px;
  padding: 9px 22px;
  border-radius: 6px;
  transition: all .15s ease;
}
.read-more:hover {
  background: var(--red);
  color: #fff;
}

/* ============================================================
   SINGLE POST / PAGE
   ============================================================ */
.single-article,
.page-article {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(24px, 4vw, 56px);
  width: var(--reading-width);
  max-width: var(--reading-width);
  margin: 0 auto;
}
.single-article .entry-title,
.page-article .entry-title { font-size: 34px; margin: 0 0 12px; }
.single-article .post-thumb,
.page-article .post-thumb {
  height: auto;
  border-radius: var(--radius);
  margin: 20px 0 28px;
}
.single-article .post-thumb img,
.page-article .post-thumb img { height: auto; }
.entry-content p { margin: 0 0 1.2em; }
.entry-content a { text-decoration: underline; }

/* Tags on single posts */
.entry-footer {
  max-width: var(--reading-width);
  margin: 24px auto 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-family: Arial, Helvetica, sans-serif;
}
.entry-footer .tags-label {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--muted);
}
.entry-footer .tag-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.entry-footer .tag-links a {
  display: inline-block;
  background: var(--page-bg);
  border: 1px solid var(--border);
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
  transition: all .15s ease;
}
.entry-footer .tag-links a:hover {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}

/* ============================================================
   PAGINATION
   ============================================================ */
.pagination {
  margin: 36px 0 0;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}
.pagination .page-numbers {
  font-family: Arial, sans-serif;
  font-weight: 700;
  padding: 10px 16px;
  border-radius: 6px;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--navy);
}
.pagination .page-numbers.current { background: var(--red); color: #fff; border-color: var(--red); }
.pagination a.page-numbers:hover { background: var(--blue); color: #fff; border-color: var(--blue); }

/* ============================================================
   COMMENTS
   ============================================================ */
.comments-area { max-width: var(--reading-width); margin: 30px auto 0; background:#fff; padding: 30px clamp(20px,4vw,56px); border-radius: var(--radius); border:1px solid var(--border); }

/* ============================================================
   SITE FOOTER  (meta links)
   ============================================================ */
.site-footer {
  background: var(--navy);
  color: #cdd9e2;
  margin-top: var(--gutter);
}
.footer-inner {
  max-width: var(--maxwidth);
  margin: 0 auto;
  padding: 40px var(--gutter);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
}
.footer-widget h3 {
  color: var(--yellow);
  font-family: Arial, sans-serif;
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--teal);
}
.footer-widget ul { list-style: none; margin: 0; padding: 0; }
.footer-widget li { margin: 0 0 9px; }
.footer-widget a { color: #cdd9e2; font-family: Arial, sans-serif; font-size: 15px; }
.footer-widget a:hover { color: var(--teal); }

.site-info {
  background: #0f2d44;
  text-align: center;
  padding: 16px var(--gutter);
  font-family: Arial, sans-serif;
  font-size: 13px;
  color: #93a7b6;
}
.site-info a { color: var(--teal); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 782px) {
  body { font-size: 17px; }
  .menu-toggle { display: block; }
  .nav-bar ul {
    display: none;
    flex-direction: column;
  }
  .nav-bar ul.is-open { display: flex; }
  .nav-bar a { border-top: 1px solid rgba(255,255,255,.12); }
  .header-inner { justify-content: center; text-align: center; }
  .header-search { flex-basis: 100%; max-width: 420px; }
}

@media (max-width: 480px) {
  .post-grid { grid-template-columns: 1fr; }
}