/*
Theme Name: Meridian
Theme URI: https://example.com/meridian
Author: Your Studio
Author URI: https://example.com
Description: A minimal, general-purpose WordPress theme with a slim navigation header, a full-bleed hero (logo + background image), a centered content area, and a widgetized footer. Fully responsive.
Version: 4.0.0
Requires at least: 6.4
Tested up to: 6.6
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: meridian
*/

/* ---------------------------------------------------
   0. Design tokens
--------------------------------------------------- */
:root {
  --color-paper: #FAFAF8;
  --color-ink: #1A1A18;
  --color-ink-soft: #4A4A46;
  --color-accent: #5F7A61;
  --color-accent-soft: #E7EDE7;
  --color-border: #E4E2DC;
  --color-footer-bg: #21231F;
  --color-footer-text: #D8D9D4;
  --color-footer-muted: #9A9C95;

  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --container-width: 1120px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;

  --radius: 2px;
}

/* ---------------------------------------------------
   1. Reset & base
--------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 var(--space-sm);
  color: var(--color-ink);
}

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); }

p { margin: 0 0 var(--space-sm); }

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Visually hidden but accessible (skip link, screen-reader text) */
.screen-reader-text {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
}
.screen-reader-text:focus {
  position: fixed;
  top: var(--space-sm);
  left: var(--space-sm);
  width: auto; height: auto;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-ink);
  color: var(--color-paper);
  z-index: 100000;
  clip: auto;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ---------------------------------------------------
   2. Site header / navigation (Area 1)
--------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--color-paper);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-sm);
  padding-bottom: var(--space-sm);
}

.site-branding-inline {
  display: flex;
  align-items: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-ink);
}
.site-branding-inline a { color: inherit; text-decoration: none; }
.site-branding-inline .custom-logo-link {
  display: inline-flex;
  align-items: center;
}
.site-branding-inline .custom-logo {
  display: block;
  max-height: 48px;
  width: auto;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  padding: 0;
}
.menu-toggle-bar {
  display: block;
  width: 20px;
  height: 2px;
  margin: 0 auto;
  background: var(--color-ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.primary-navigation .nav-menu {
  display: flex;
  gap: var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}
.primary-navigation .nav-menu li { position: relative; }
.primary-navigation .nav-menu a {
  color: var(--color-ink);
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  text-decoration: none;
  padding: var(--space-xs) 0;
  border-bottom: 1px solid transparent;
}
.primary-navigation .nav-menu a:hover,
.primary-navigation .nav-menu a:focus-visible {
  border-bottom-color: var(--color-accent);
}
.primary-navigation .nav-menu .current-menu-item > a {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* Sub-menus (desktop) */
.primary-navigation ul ul {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: var(--color-paper);
  border: 1px solid var(--color-border);
  padding: var(--space-xs) 0;
  list-style: none;
  z-index: 50;
}
.primary-navigation ul li:hover > ul,
.primary-navigation ul li:focus-within > ul {
  display: block;
}
.primary-navigation ul ul li a { display: block; padding: var(--space-xs) var(--space-sm); }

/* ---------------------------------------------------
   3. Top / hero section (Area 2: logo + background image)
--------------------------------------------------- */
.top-section {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 8.5vh;
  background-color: #6292a0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: calc(var(--space-xl) / 2) var(--space-md);
  text-align: center;
  overflow: hidden;
}
.top-section.has-image::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(26, 26, 24, 0.42);
}
.top-section-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
}
.top-section.has-image .site-logo-link,
.top-section.has-image .site-title,
.top-section.has-image .site-description {
  color: #fff;
}
.site-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  margin: 0 0 var(--space-xs);
  position: relative;
  display: inline-block;
  padding-bottom: var(--space-xs);
}
.site-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 2px;
  background: var(--color-accent);
}
.site-title a { color: inherit; text-decoration: none; }
.site-description {
  margin: var(--space-sm) 0 0;
  font-size: 1rem;
  color: var(--color-ink-soft);
}

/* ---------------------------------------------------
   4. Middle / content section (Area 3)
--------------------------------------------------- */
.site-content {
  padding: var(--space-lg) 0;
}
.content-area {
  max-width: var(--container-width);
  margin: 0 auto;
}

article.entry {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}
article.entry:last-child { border-bottom: none; margin-bottom: 0; }

.entry-title { margin-bottom: var(--space-xs); }
.entry-title a { color: var(--color-ink); text-decoration: none; }
.entry-title a:hover { color: var(--color-accent); }

.entry-meta {
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.entry-meta a { color: inherit; }

.entry-thumbnail { margin-bottom: var(--space-sm); border-radius: var(--radius); overflow: hidden; }

.entry-content > *:last-child { margin-bottom: 0; }

.read-more {
  display: inline-block;
  margin-top: var(--space-xs);
  font-size: 0.9rem;
  border-bottom: 1px solid var(--color-accent);
}

.pagination,
.post-navigation {
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  font-size: 0.9rem;
}

.widget-title {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-border);
}

.comments-area { margin-top: var(--space-lg); }

/* Forms & buttons */
input[type="text"], input[type="email"], input[type="url"], input[type="search"], textarea {
  width: 100%;
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  background: #fff;
  color: var(--color-ink);
}
button, input[type="submit"] {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: var(--color-ink);
  color: var(--color-paper);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.9rem;
}
button:hover, input[type="submit"]:hover { background: var(--color-accent); }

/* ---------------------------------------------------
   5. Footer (Area 4: footer widgets)
--------------------------------------------------- */
.site-footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: var(--space-lg) 0 var(--space-md);
}
.footer-widgets {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}
.footer-widgets .widget-title {
  color: var(--color-footer-text);
  border-bottom-color: rgba(255,255,255,0.15);
}
.footer-widgets a { color: var(--color-footer-text); }
.footer-widgets a:hover { color: #fff; }
.footer-widgets .widget { color: var(--color-footer-muted); font-size: 0.9rem; }

.site-info {
  text-align: center;
  font-size: 0.8rem;
  color: var(--color-footer-muted);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255,255,255,0.1);
}
.site-info a { color: var(--color-footer-muted); }

/* ---------------------------------------------------
   6. Responsive (smartphones)
--------------------------------------------------- */
@media (max-width: 782px) {
  .menu-toggle { display: flex; }

  .primary-navigation {
    display: none;
    width: 100%;
    order: 3;
  }
  .primary-navigation.is-open { display: block; }
  .header-inner { flex-wrap: wrap; }

  .primary-navigation .nav-menu {
    flex-direction: column;
    gap: 0;
    padding: var(--space-sm) 0;
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-sm);
  }
  .primary-navigation .nav-menu a { padding: var(--space-sm) 0; display: block; }
  .primary-navigation ul ul {
    position: static;
    border: none;
    padding-left: var(--space-sm);
    display: block;
  }

  .top-section { padding: var(--space-lg) var(--space-sm); }

  .footer-widgets {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  :root {
    --space-lg: 2.5rem;
    --space-xl: 3.5rem;
  }
}

@media (min-width: 783px) and (max-width: 1024px) {
  .footer-widgets { grid-template-columns: repeat(2, 1fr); }
}