/**
 * Main Layout, Grid Systems, Header & Footer CSS
 */

.refu-container {
  width: 100%;
  max-width: var(--refu-container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.refu-container-narrow {
  width: 100%;
  max-width: var(--refu-container-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* Site Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--refu-color-border-light);
  height: var(--refu-header-height);
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

/* Branding & Logo */
.site-branding {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-branding img.custom-logo,
.site-branding .custom-logo-link img,
.site-branding a img {
  max-height: 48px;
  height: auto !important;
  width: auto !important;
  max-width: 100% !important;
  object-fit: contain !important;
  display: block;
}

/* Footer Logo: Force crisp all-white rendering for dark footer background */
.footer-logo-wrapper,
.footer-logo-wrapper *,
.footer-about img.custom-logo,
.footer-about .custom-logo-link img,
.footer-about a img {
  filter: brightness(0) invert(1) !important;
}

.footer-logo-wrapper img,
.footer-about img.custom-logo,
.footer-about .custom-logo-link img,
.footer-about a img {
  max-height: 44px;
  height: auto !important;
  width: auto !important;
  max-width: 100% !important;
  object-fit: contain !important;
  display: block;
}

.footer-about .refu-logo {
  color: #FFFFFF !important;
}

.footer-about .refu-logo-icon {
  color: #FFFFFF !important;
}

.refu-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--refu-font-serif);
  font-size: 32px;
  font-weight: 700;
  color: var(--refu-purple-primary);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.refu-logo-icon {
  width: 32px;
  height: 32px;
  color: var(--refu-purple-primary);
}

/* Navigation Menu */
.primary-nav {
  display: flex;
  align-items: center;
}

.primary-nav ul {
  display: flex;
  align-items: center;
  gap: 32px;
}

.primary-nav a {
  font-size: 15px;
  font-weight: 600;
  color: var(--refu-color-text-main);
  padding: 8px 0;
  position: relative;
  transition: color var(--refu-transition-fast);
}

.primary-nav a:hover,
.primary-nav .current-menu-item > a,
.primary-nav .current-post-ancestor > a {
  color: var(--refu-purple-primary);
}

.primary-nav .current-menu-item > a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--refu-purple-primary);
  border-radius: 2px;
}

/* Header Utilities (Search & Language) */
.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.search-toggle-btn {
  color: var(--refu-color-text-heading);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  transition: background-color var(--refu-transition-fast), color var(--refu-transition-fast);
}

.search-toggle-btn:hover {
  background-color: var(--refu-purple-soft);
  color: var(--refu-purple-primary);
}

.lang-switcher {
  display: flex;
  align-items: center;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.lang-switcher .active {
  color: var(--refu-purple-primary);
}

.lang-switcher .inactive {
  color: var(--refu-color-text-muted);
}

.lang-switcher .divider {
  margin: 0 4px;
  color: var(--refu-color-text-light);
}

/* Mobile Menu Trigger */
.mobile-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
}

.mobile-nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--refu-color-text-heading);
  border-radius: 2px;
  transition: transform var(--refu-transition-fast);
}

/* Search Modal Overlay */
.search-modal {
  position: fixed;
  inset: 0;
  z-index: 999;
  background-color: rgba(24, 24, 27, 0.8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 120px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.search-modal.is-active {
  opacity: 1;
  pointer-events: auto;
}

.search-modal-content {
  width: 100%;
  max-width: 680px;
  background-color: #FFFFFF;
  border-radius: var(--refu-radius-lg);
  padding: 32px;
  box-shadow: var(--refu-shadow-lg);
  position: relative;
}

.search-modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  color: var(--refu-color-text-muted);
  font-size: 24px;
}

.search-form-modal {
  display: flex;
  align-items: center;
  border-bottom: 2px solid var(--refu-purple-primary);
  padding-bottom: 12px;
}

.search-form-modal input[type="search"] {
  width: 100%;
  border: none;
  outline: none;
  font-size: 20px;
  font-family: var(--refu-font-sans);
  color: var(--refu-color-text-heading);
}

.search-form-modal button[type="submit"] {
  color: var(--refu-purple-primary);
  padding: 8px;
}

/* ==========================================================================
   2-COLUMN SINGLE POST GRID LAYOUT (Core Layout Guarantee)
   ========================================================================== */
.single-post-layout-grid {
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) 340px !important;
  gap: 40px !important;
  align-items: start !important;
  width: 100% !important;
}

.single-main-column {
  width: 100% !important;
  min-width: 0 !important;
}

.single-sidebar {
  width: 100% !important;
  min-width: 0 !important;
}

@media (max-width: 960px) {
  .single-post-layout-grid {
    grid-template-columns: 1fr !important;
  }
}

/* ==========================================================================
   WORDPRESS CORE COMMENT FORM STYLING (High Specificity Guarantee)
   ========================================================================== */
#comments,
.comments-area {
  margin-top: 48px !important;
  padding-top: 36px !important;
  border-top: 2px solid var(--refu-purple-soft) !important;
  width: 100% !important;
  clear: both !important;
}

.comment-respond,
#respond {
  margin-top: 24px !important;
  width: 100% !important;
}

.comment-reply-title,
#reply-title {
  font-family: var(--refu-font-serif) !important;
  font-size: 26px !important;
  font-weight: 700 !important;
  color: var(--refu-color-text-heading) !important;
  margin-bottom: 16px !important;
}

.logged-in-as,
.comment-notes {
  font-size: 14px !important;
  color: var(--refu-color-text-muted) !important;
  margin-bottom: 20px !important;
}

.comment-form {
  display: flex !important;
  flex-direction: column !important;
  gap: 16px !important;
  width: 100% !important;
}

.comment-form p {
  margin-bottom: 14px !important;
  width: 100% !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 6px !important;
}

.comment-form label {
  font-size: 14px !important;
  font-weight: 700 !important;
  color: var(--refu-color-text-heading) !important;
}

.comment-form textarea,
#comment,
.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"] {
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
  padding: 14px 18px !important;
  border-radius: 12px !important;
  border: 1.5px solid var(--refu-color-border) !important;
  background-color: #FFFFFF !important;
  font-family: var(--refu-font-sans) !important;
  font-size: 15px !important;
  color: #18181B !important;
  outline: none !important;
  transition: border-color 0.2s ease, box-shadow 0.2s ease !important;
}

.comment-form textarea:focus,
#comment:focus,
.comment-form input:focus {
  border-color: var(--refu-purple-primary) !important;
  box-shadow: 0 0 0 3px rgba(76, 29, 115, 0.15) !important;
}

/* Post Comment Button */
.comment-form input[type="submit"],
.form-submit input[type="submit"],
#submit,
.submit,
.comment-submit-btn {
  background-color: var(--refu-lime-accent) !important;
  color: #18181B !important;
  font-family: var(--refu-font-sans) !important;
  font-weight: 800 !important;
  font-size: 15px !important;
  padding: 14px 32px !important;
  border-radius: 6px !important;
  border: none !important;
  cursor: pointer !important;
  width: auto !important;
  display: inline-block !important;
  align-self: flex-start !important;
  transition: background-color 0.2s ease, transform 0.2s ease !important;
}

.comment-form input[type="submit"]:hover,
.form-submit input[type="submit"]:hover,
#submit:hover {
  background-color: var(--refu-lime-hover) !important;
  transform: translateY(-2px) !important;
}

/* Footer Section */
.site-footer {
  background-color: var(--refu-color-dark-footer);
  color: #D1D5DB;
  padding-top: 64px;
  padding-bottom: 32px;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1.2fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #FFFFFF;
  margin-bottom: 24px;
}

/* Footer Col 1: About */
.footer-about .refu-logo {
  color: #FFFFFF;
  margin-bottom: 16px;
}

.footer-about p {
  font-size: 14px;
  color: #9CA3AF;
  line-height: 1.6;
  margin-bottom: 24px;
}

.social-links {
  display: flex;
  align-items: center;
  gap: 12px;
}

.social-icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  transition: all var(--refu-transition-fast);
}

.social-icon-btn:hover {
  background-color: var(--refu-lime-accent);
  border-color: var(--refu-lime-accent);
  color: var(--refu-purple-primary);
  transform: translateY(-2px);
}

/* Footer Col 2: Categories Links */
.footer-categories-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-categories-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  font-weight: 500;
  color: #D1D5DB;
  transition: color var(--refu-transition-fast);
}

.footer-categories-list a:hover {
  color: var(--refu-lime-accent);
}

.footer-categories-list .arrow-icon {
  width: 14px;
  height: 14px;
  opacity: 0.6;
}

/* Footer Col 3: Popular Posts Widget */
.footer-popular-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-popular-item {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer-popular-thumb {
  width: 60px;
  height: 60px;
  border-radius: var(--refu-radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}

.footer-popular-info h4 {
  font-size: 14px;
  font-weight: 600;
  color: #F3F4F6;
  line-height: 1.3;
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.footer-popular-info h4:hover {
  color: var(--refu-lime-accent);
}

.footer-popular-meta {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  color: #9CA3AF;
  letter-spacing: 0.5px;
}

/* Footer Col 4: Newsletter Box */
.footer-newsletter p {
  font-size: 14px;
  color: #9CA3AF;
  margin-bottom: 16px;
  line-height: 1.5;
}

.footer-subscribe-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-subscribe-form input[type="email"] {
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--refu-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background-color: rgba(255, 255, 255, 0.05);
  color: #FFFFFF;
  font-size: 14px;
  outline: none;
}

.footer-subscribe-form input[type="email"]::placeholder {
  color: #6B7280;
}

.footer-subscribe-btn {
  width: 100%;
  padding: 12px 20px;
  background-color: var(--refu-purple-primary);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 14px;
  border-radius: var(--refu-radius-sm);
  transition: background-color var(--refu-transition-fast);
  text-align: center;
}

.footer-subscribe-btn:hover {
  background-color: var(--refu-purple-light);
}

/* Sub-Footer Bottom Bar */
.sub-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  font-size: 13px;
  color: #9CA3AF;
}

.sub-footer-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.sub-footer-links a:hover {
  color: #FFFFFF;
}

/* Responsive Breakdown */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .primary-nav {
    display: none; /* Shown via mobile drawer */
  }

  .primary-nav.is-mobile-open {
    display: flex;
    position: absolute;
    top: var(--refu-header-height);
    left: 0;
    width: 100%;
    background-color: #FFFFFF;
    box-shadow: var(--refu-shadow-lg);
    padding: 24px;
    border-bottom: 1px solid var(--refu-color-border);
  }

  .primary-nav.is-mobile-open ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    width: 100%;
  }

  .mobile-nav-toggle {
    display: flex;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .sub-footer {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}