/*
Theme Name: HOCl Wiki — Aqueous Laboratory
Theme URI: https://hocl.wiki
Description: A child theme for the Knowall knowledge base theme — clean, scientific, modern design for HOCl FAQ.
Author: Mike Peace VK6ADA
Template: knowall
Version: 1.0.0
License: GNU General Public License v2 or later
Tags: child-theme, knowledge-base, science
*/

/* ============================================================
   GOOGLE FONTS
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=Space+Mono:wght@400;700&family=Sora:wght@300;400;500;600;700&display=swap');

/* ============================================================
   CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
  --hocl-aqua:        #00B4D8;
  --hocl-aqua-dark:   #0096C7;
  --hocl-aqua-light:  #90E0EF;
  --hocl-aqua-pale:   #CAF0F8;
  --hocl-navy:        #03045E;
  --hocl-slate:       #0D1B2A;
  --hocl-mid:         #1E3A5F;
  --hocl-surface:     #F0F9FF;
  --hocl-surface-2:   #E8F4FD;
  --hocl-white:       #FFFFFF;
  --hocl-text:        #0D1B2A;
  --hocl-text-muted:  #4A6080;
  --hocl-border:      #C8DFF0;
  --hocl-success:     #06A77D;
  --hocl-warn:        #F4A261;

  --font-display: 'Sora', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --font-mono:    'Space Mono', monospace;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,.10), 0 2px 6px rgba(0,0,0,.06);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.12), 0 4px 12px rgba(0,0,0,.07);
  --shadow-aqua: 0 4px 20px rgba(0,180,216,.25);

  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--hocl-text);
  background-color: var(--hocl-surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.25;
  color: var(--hocl-slate);
  margin-top: 0;
}

a {
  color: var(--hocl-aqua-dark);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--hocl-navy);
}

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

/* ============================================================
   LAYOUT WRAPPER
   ============================================================ */
.container,
.knowall-container,
.wrapper {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   HEADER
   ============================================================ */
#header,
.site-header,
header.header {
  background: linear-gradient(135deg, var(--hocl-slate) 0%, var(--hocl-mid) 60%, #0d4f7a 100%) !important;
  border-bottom: none !important;
  box-shadow: 0 2px 24px rgba(0,0,0,.25) !important;
  position: relative;
  overflow: hidden;
}

/* Molecular hex watermark */
#header::before,
.site-header::before,
header.header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 50%, rgba(0,180,216,.12) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0,150,199,.08) 0%, transparent 40%);
  pointer-events: none;
}

/* Logo area */
#header .logo,
.site-header .logo,
.header-logo {
  padding: 16px 0 !important;
}

#header .logo img,
.site-header .logo img,
.header-logo img {
  max-height: 60px !important;
  filter: brightness(1.1) drop-shadow(0 2px 8px rgba(0,180,216,.4));
}

/* Site title text */
#header .logo a,
.site-header .logo a {
  color: var(--hocl-white) !important;
  font-family: var(--font-display) !important;
  font-weight: 700 !important;
  font-size: 1.5rem !important;
  letter-spacing: -0.02em;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
#header nav,
.site-header nav,
.main-navigation,
nav.navigation {
  background: transparent !important;
}

#header nav ul,
.main-navigation ul,
.nav-menu {
  margin: 0 !important;
  padding: 0 !important;
  list-style: none !important;
  display: flex !important;
  gap: 4px !important;
  align-items: center !important;
}

#header nav ul li a,
.main-navigation ul li a,
.nav-menu li a {
  color: rgba(255,255,255,.85) !important;
  font-family: var(--font-body) !important;
  font-weight: 500 !important;
  font-size: 0.9rem !important;
  letter-spacing: 0.02em !important;
  padding: 8px 16px !important;
  border-radius: var(--radius-sm) !important;
  transition: all var(--transition) !important;
  text-transform: uppercase !important;
  background: transparent !important;
  border: none !important;
}

#header nav ul li a:hover,
.main-navigation ul li a:hover,
.nav-menu li a:hover {
  color: var(--hocl-white) !important;
  background: rgba(0,180,216,.2) !important;
}

#header nav ul li.current-menu-item > a,
.nav-menu li.current-menu-item > a {
  background: var(--hocl-aqua) !important;
  color: var(--hocl-white) !important;
}

/* ============================================================
   HERO / SEARCH SECTION
   ============================================================ */
.knowall-hero,
.hero-search,
.hero-section,
.ht-kb-search-section,
#ht-kb-search {
  background: linear-gradient(160deg, var(--hocl-slate) 0%, var(--hocl-mid) 50%, #0a3d62 100%) !important;
  padding: 64px 24px !important;
  text-align: center !important;
  position: relative;
  overflow: hidden;
}

.ht-kb-search-section::before,
.knowall-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(ellipse 60% 80% at 10% 50%, rgba(0,180,216,.15) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 90% 30%, rgba(144,224,239,.10) 0%, transparent 50%);
  pointer-events: none;
}

.ht-kb-search-section h1,
.ht-kb-search-section h2,
.knowall-hero h1,
.knowall-hero h2 {
  color: var(--hocl-white) !important;
  font-family: var(--font-display) !important;
  font-size: clamp(1.8rem, 4vw, 2.8rem) !important;
  font-weight: 700 !important;
  letter-spacing: -0.02em !important;
  margin-bottom: 8px !important;
}

.ht-kb-search-section p {
  color: var(--hocl-aqua-pale) !important;
  font-size: 1.1rem !important;
  margin-bottom: 32px !important;
}

/* Search form */
.ht-kb-search-form,
.knowall-search form,
.search-form {
  max-width: 560px !important;
  margin: 0 auto !important;
  display: flex !important;
  gap: 8px !important;
  background: rgba(255,255,255,.1) !important;
  backdrop-filter: blur(12px) !important;
  border: 1px solid rgba(255,255,255,.2) !important;
  border-radius: var(--radius-xl) !important;
  padding: 6px 6px 6px 20px !important;
  box-shadow: 0 8px 32px rgba(0,0,0,.2) !important;
}

.ht-kb-search-form input[type="text"],
.ht-kb-search-form input[type="search"],
.search-form input[type="search"] {
  flex: 1 !important;
  background: transparent !important;
  border: none !important;
  outline: none !important;
  color: var(--hocl-white) !important;
  font-family: var(--font-body) !important;
  font-size: 1rem !important;
  padding: 8px 0 !important;
}

.ht-kb-search-form input::placeholder,
.search-form input::placeholder {
  color: rgba(255,255,255,.5) !important;
}

.ht-kb-search-form button,
.ht-kb-search-form input[type="submit"],
.search-form button {
  background: var(--hocl-aqua) !important;
  color: var(--hocl-white) !important;
  border: none !important;
  border-radius: var(--radius-lg) !important;
  padding: 10px 24px !important;
  font-family: var(--font-body) !important;
  font-weight: 600 !important;
  font-size: 0.9rem !important;
  cursor: pointer !important;
  transition: background var(--transition), box-shadow var(--transition) !important;
  white-space: nowrap !important;
}

.ht-kb-search-form button:hover,
.search-form button:hover {
  background: var(--hocl-aqua-dark) !important;
  box-shadow: var(--shadow-aqua) !important;
}

/* ============================================================
   BREADCRUMBS
   ============================================================ */
.breadcrumbs,
.ht-kb-breadcrumbs,
#breadcrumbs {
  background: var(--hocl-surface-2) !important;
  border-bottom: 1px solid var(--hocl-border) !important;
  padding: 12px 24px !important;
  font-size: 0.82rem !important;
  font-family: var(--font-body) !important;
  color: var(--hocl-text-muted) !important;
}

.breadcrumbs a,
.ht-kb-breadcrumbs a {
  color: var(--hocl-aqua-dark) !important;
  font-weight: 500 !important;
}

.breadcrumbs a:hover,
.ht-kb-breadcrumbs a:hover {
  color: var(--hocl-navy) !important;
}

.breadcrumbs span,
.ht-kb-breadcrumbs span {
  color: var(--hocl-text-muted) !important;
  margin: 0 6px !important;
}

/* ============================================================
   MAIN CONTENT AREA
   ============================================================ */
.site-content,
#content,
.knowall-content {
  background: var(--hocl-surface) !important;
  padding: 40px 0 60px !important;
}

/* ============================================================
   KNOWLEDGE BASE CATEGORY GRID
   ============================================================ */
.ht-kb-section,
.kb-section,
.knowall-kb-section {
  display: grid !important;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)) !important;
  gap: 20px !important;
  margin-bottom: 32px !important;
}

/* Category cards */
.ht-kb-category,
.kb-category,
.category-section {
  background: var(--hocl-white) !important;
  border: 1px solid var(--hocl-border) !important;
  border-radius: var(--radius-md) !important;
  padding: 0 !important;
  box-shadow: var(--shadow-sm) !important;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition) !important;
  overflow: hidden !important;
}

.ht-kb-category:hover,
.kb-category:hover,
.category-section:hover {
  transform: translateY(-3px) !important;
  box-shadow: var(--shadow-md) !important;
  border-color: var(--hocl-aqua) !important;
}

/* Category header */
.ht-kb-category h2,
.ht-kb-category h3,
.kb-category h2,
.kb-category h3,
.category-section h2,
.category-section h3 {
  background: linear-gradient(135deg, var(--hocl-slate) 0%, var(--hocl-mid) 100%) !important;
  color: var(--hocl-white) !important;
  font-family: var(--font-display) !important;
  font-size: 0.95rem !important;
  font-weight: 600 !important;
  letter-spacing: 0.04em !important;
  text-transform: uppercase !important;
  padding: 14px 18px !important;
  margin: 0 !important;
  position: relative;
  overflow: hidden;
}

.ht-kb-category h2::before,
.ht-kb-category h3::before,
.kb-category h2::before {
  content: '';
  position: absolute;
  right: -8px;
  top: -8px;
  width: 48px;
  height: 48px;
  background: rgba(0,180,216,.2);
  border-radius: 50%;
}

.ht-kb-category h2 a,
.ht-kb-category h3 a,
.kb-category h2 a,
.kb-category h3 a,
.category-section h2 a,
.category-section h3 a {
  color: var(--hocl-white) !important;
  font-family: var(--font-display) !important;
}

/* Category article list */
.ht-kb-category ul,
.kb-category ul,
.category-section ul {
  list-style: none !important;
  margin: 0 !important;
  padding: 10px 0 !important;
}

.ht-kb-category ul li,
.kb-category ul li,
.category-section ul li {
  border-bottom: 1px solid var(--hocl-surface-2) !important;
  padding: 0 !important;
  transition: background var(--transition) !important;
}

.ht-kb-category ul li:last-child,
.kb-category ul li:last-child {
  border-bottom: none !important;
}

.ht-kb-category ul li:hover,
.kb-category ul li:hover {
  background: var(--hocl-surface) !important;
}

.ht-kb-category ul li a,
.kb-category ul li a,
.category-section ul li a {
  display: block !important;
  padding: 10px 18px !important;
  color: var(--hocl-text) !important;
  font-size: 0.9rem !important;
  font-weight: 400 !important;
  line-height: 1.4 !important;
  position: relative;
  padding-left: 34px !important;
}

.ht-kb-category ul li a::before,
.kb-category ul li a::before {
  content: '→';
  position: absolute;
  left: 14px;
  color: var(--hocl-aqua) !important;
  font-size: 0.8rem;
  transition: transform var(--transition);
}

.ht-kb-category ul li a:hover::before,
.kb-category ul li a:hover::before {
  transform: translateX(3px);
}

.ht-kb-category ul li a:hover,
.kb-category ul li a:hover {
  color: var(--hocl-aqua-dark) !important;
}

/* ============================================================
   SIDEBAR / WIDGET AREA
   ============================================================ */
.sidebar,
#sidebar,
.widget-area {
  background: var(--hocl-white) !important;
  border: 1px solid var(--hocl-border) !important;
  border-radius: var(--radius-md) !important;
  overflow: hidden !important;
  box-shadow: var(--shadow-sm) !important;
}

.widget,
.sidebar-widget {
  padding: 20px !important;
  border-bottom: 1px solid var(--hocl-border) !important;
}

.widget:last-child,
.sidebar-widget:last-child {
  border-bottom: none !important;
}

.widget-title,
.sidebar-widget h3,
.widgettitle {
  font-family: var(--font-display) !important;
  font-size: 0.8rem !important;
  font-weight: 700 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.1em !important;
  color: var(--hocl-aqua-dark) !important;
  margin-bottom: 12px !important;
  padding-bottom: 8px !important;
  border-bottom: 2px solid var(--hocl-aqua-light) !important;
}

/* ============================================================
   SINGLE ARTICLE PAGE
   ============================================================ */
.ht-kb-article,
.single-ht_kb,
article.type-ht_kb,
.kb-article-content {
  background: var(--hocl-white) !important;
  border: 1px solid var(--hocl-border) !important;
  border-radius: var(--radius-md) !important;
  padding: 40px !important;
  box-shadow: var(--shadow-sm) !important;
  max-width: 780px;
}

.ht-kb-article h1,
.single-ht_kb h1,
article.type-ht_kb h1 {
  font-family: var(--font-display) !important;
  font-size: clamp(1.5rem, 3vw, 2rem) !important;
  font-weight: 700 !important;
  color: var(--hocl-slate) !important;
  letter-spacing: -0.02em !important;
  margin-bottom: 24px !important;
  padding-bottom: 20px !important;
  border-bottom: 2px solid var(--hocl-surface-2) !important;
  line-height: 1.2 !important;
}

.ht-kb-article h1::after,
.single-ht_kb h1::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--hocl-aqua);
  margin-top: 16px;
  border-radius: 2px;
}

.ht-kb-article p,
.single-ht_kb p,
article.type-ht_kb p,
.kb-article-content p {
  font-size: 1.05rem !important;
  line-height: 1.8 !important;
  color: #2A3F55 !important;
  margin-bottom: 1.25em !important;
}

.ht-kb-article ul,
.single-ht_kb ul,
article.type-ht_kb ul {
  padding-left: 20px !important;
  margin-bottom: 1.25em !important;
}

.ht-kb-article ul li,
.single-ht_kb ul li {
  margin-bottom: 8px !important;
  color: #2A3F55 !important;
}

/* Article meta / updated date */
.ht-kb-article .article-updated,
.article-last-updated,
.updated-date {
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  background: var(--hocl-surface-2) !important;
  border: 1px solid var(--hocl-border) !important;
  border-radius: 100px !important;
  padding: 4px 12px !important;
  font-size: 0.78rem !important;
  font-family: var(--font-mono) !important;
  color: var(--hocl-text-muted) !important;
  margin-bottom: 20px !important;
}

/* Tags */
.article-tags,
.ht-kb-article .tags,
.ht-kb-tags {
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 8px !important;
  margin: 24px 0 !important;
}

.article-tags a,
.ht-kb-tags a,
.tag-link {
  display: inline-block !important;
  background: var(--hocl-aqua-pale) !important;
  color: var(--hocl-aqua-dark) !important;
  border: 1px solid var(--hocl-aqua-light) !important;
  border-radius: 100px !important;
  padding: 4px 12px !important;
  font-size: 0.78rem !important;
  font-weight: 600 !important;
  letter-spacing: 0.04em !important;
  transition: all var(--transition) !important;
}

.article-tags a:hover,
.ht-kb-tags a:hover,
.tag-link:hover {
  background: var(--hocl-aqua) !important;
  color: var(--hocl-white) !important;
  border-color: var(--hocl-aqua) !important;
}

/* ============================================================
   HELPFUL / VOTE BUTTONS
   ============================================================ */
.ht-kb-helpful,
.helpful-section,
.article-helpful {
  background: var(--hocl-surface) !important;
  border: 1px solid var(--hocl-border) !important;
  border-radius: var(--radius-md) !important;
  padding: 24px !important;
  margin-top: 32px !important;
  text-align: center !important;
}

.ht-kb-helpful p,
.helpful-section p {
  font-family: var(--font-display) !important;
  font-size: 1rem !important;
  font-weight: 600 !important;
  color: var(--hocl-slate) !important;
  margin-bottom: 16px !important;
}

.ht-kb-helpful a,
.helpful-section a,
.helpful-yes,
.helpful-no {
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  padding: 10px 24px !important;
  border-radius: var(--radius-sm) !important;
  font-weight: 600 !important;
  font-size: 0.9rem !important;
  margin: 4px !important;
  transition: all var(--transition) !important;
  cursor: pointer !important;
  text-decoration: none !important;
}

.ht-kb-helpful a.yes,
.helpful-yes {
  background: var(--hocl-success) !important;
  color: var(--hocl-white) !important;
  border: 2px solid var(--hocl-success) !important;
}

.ht-kb-helpful a.yes:hover,
.helpful-yes:hover {
  background: #058c68 !important;
}

.ht-kb-helpful a.no,
.helpful-no {
  background: transparent !important;
  color: var(--hocl-text-muted) !important;
  border: 2px solid var(--hocl-border) !important;
}

.ht-kb-helpful a.no:hover,
.helpful-no:hover {
  border-color: var(--hocl-text-muted) !important;
  color: var(--hocl-text) !important;
}

/* ============================================================
   RELATED ARTICLES
   ============================================================ */
.ht-kb-related,
.related-articles,
.related-section {
  margin-top: 32px !important;
}

.ht-kb-related h3,
.related-articles h3 {
  font-family: var(--font-display) !important;
  font-size: 0.8rem !important;
  font-weight: 700 !important;
  text-transform: uppercase !important;
  letter-spacing: 0.1em !important;
  color: var(--hocl-aqua-dark) !important;
  margin-bottom: 12px !important;
}

.ht-kb-related ul,
.related-articles ul {
  list-style: none !important;
  padding: 0 !important;
  margin: 0 !important;
  background: var(--hocl-white) !important;
  border: 1px solid var(--hocl-border) !important;
  border-radius: var(--radius-md) !important;
  overflow: hidden !important;
}

.ht-kb-related ul li,
.related-articles ul li {
  border-bottom: 1px solid var(--hocl-surface-2) !important;
}

.ht-kb-related ul li:last-child,
.related-articles ul li:last-child {
  border-bottom: none !important;
}

.ht-kb-related ul li a,
.related-articles ul li a {
  display: flex !important;
  align-items: center !important;
  gap: 10px !important;
  padding: 12px 18px !important;
  color: var(--hocl-text) !important;
  font-size: 0.9rem !important;
  transition: background var(--transition), color var(--transition) !important;
}

.ht-kb-related ul li a::before {
  content: '📄';
  font-size: 0.85rem;
  flex-shrink: 0;
}

.ht-kb-related ul li a:hover,
.related-articles ul li a:hover {
  background: var(--hocl-surface) !important;
  color: var(--hocl-aqua-dark) !important;
}

/* ============================================================
   BUTTONS (CTA)
   ============================================================ */
.btn,
.button,
a.button,
input[type="submit"],
.wp-block-button__link {
  display: inline-flex !important;
  align-items: center !important;
  gap: 8px !important;
  background: var(--hocl-aqua) !important;
  color: var(--hocl-white) !important;
  border: none !important;
  border-radius: var(--radius-sm) !important;
  padding: 12px 28px !important;
  font-family: var(--font-body) !important;
  font-weight: 600 !important;
  font-size: 0.95rem !important;
  cursor: pointer !important;
  transition: all var(--transition) !important;
  text-decoration: none !important;
  box-shadow: 0 2px 8px rgba(0,180,216,.3) !important;
}

.btn:hover,
.button:hover,
a.button:hover,
input[type="submit"]:hover {
  background: var(--hocl-aqua-dark) !important;
  color: var(--hocl-white) !important;
  box-shadow: 0 4px 16px rgba(0,180,216,.4) !important;
  transform: translateY(-1px) !important;
}

/* ============================================================
   SHOP NOW / CTA BANNER
   ============================================================ */
.hocl-cta-banner {
  background: linear-gradient(135deg, var(--hocl-aqua-dark) 0%, var(--hocl-navy) 100%);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  margin: 32px 0;
  color: var(--hocl-white);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.hocl-cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(0,180,216,.2), transparent);
}

/* Sidebar widgets with images */
.widget img {
  width: 100% !important;
  border-radius: var(--radius-sm) !important;
  transition: transform var(--transition), box-shadow var(--transition) !important;
}

.widget a:hover img {
  transform: scale(1.02) !important;
  box-shadow: var(--shadow-md) !important;
}

/* Widget caption text */
.wp-caption-text,
.widget p {
  font-size: 0.82rem !important;
  color: var(--hocl-text-muted) !important;
  text-align: center !important;
  margin-top: 8px !important;
}

/* ============================================================
   FOOTER
   ============================================================ */
#footer,
.site-footer,
footer.footer {
  background: var(--hocl-slate) !important;
  color: rgba(255,255,255,.7) !important;
  padding: 48px 24px 24px !important;
  border-top: 3px solid var(--hocl-aqua) !important;
}

.site-footer .footer-widgets,
#footer .footer-widgets {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)) !important;
  gap: 32px !important;
  margin-bottom: 40px !important;
}

.site-footer .footer-bottom,
.footer-copyright,
#footer .footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1) !important;
  padding-top: 20px !important;
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 8px 16px !important;
  align-items: center !important;
  justify-content: center !important;
}

.site-footer a,
#footer a {
  color: rgba(255,255,255,.6) !important;
  font-size: 0.8rem !important;
  transition: color var(--transition) !important;
}

.site-footer a:hover,
#footer a:hover {
  color: var(--hocl-aqua-light) !important;
}

.site-footer p,
#footer p,
.copyright {
  color: rgba(255,255,255,.5) !important;
  font-size: 0.8rem !important;
  text-align: center !important;
}

/* Footer nav list */
#footer ul,
.footer-nav ul {
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 4px 12px !important;
  justify-content: center !important;
}

/* ============================================================
   KNOWALL THEME SPECIFIC OVERRIDES
   ============================================================ */

/* Top bar / announcement bar */
.ht-top-bar,
#ht-top-bar {
  background: var(--hocl-navy) !important;
  border-bottom: 1px solid rgba(255,255,255,.1) !important;
}

/* Home page hero product image */
.kb-home-hero img,
.hero-image img {
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-lg) !important;
}

/* KB article count badge */
.ht-kb-category .article-count,
.category-count {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  min-width: 22px !important;
  height: 22px !important;
  background: var(--hocl-aqua) !important;
  color: var(--hocl-white) !important;
  border-radius: 100px !important;
  font-size: 0.72rem !important;
  font-weight: 700 !important;
  font-family: var(--font-mono) !important;
  padding: 0 6px !important;
  margin-left: 8px !important;
}

/* Page titles inside content area */
.entry-title,
.page-title,
h1.entry-title {
  font-family: var(--font-display) !important;
  font-size: clamp(1.6rem, 3.5vw, 2.4rem) !important;
  font-weight: 700 !important;
  color: var(--hocl-slate) !important;
  letter-spacing: -0.025em !important;
  margin-bottom: 24px !important;
}

/* ============================================================
   CHEMICAL FORMULA STYLING
   ============================================================ */
/* Style HOCl / HClO mentions in text */
.chem-formula,
code {
  font-family: var(--font-mono) !important;
  background: var(--hocl-aqua-pale) !important;
  color: var(--hocl-aqua-dark) !important;
  padding: 2px 7px !important;
  border-radius: 4px !important;
  font-size: 0.88em !important;
  font-weight: 700 !important;
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */
.text-aqua { color: var(--hocl-aqua) !important; }
.text-navy { color: var(--hocl-navy) !important; }
.bg-surface { background: var(--hocl-surface) !important; }
.border-aqua { border-color: var(--hocl-aqua) !important; }

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes shimmer {
  0%   { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.ht-kb-category,
.kb-category,
.category-section {
  animation: fadeUp 0.4s ease both;
}

.ht-kb-category:nth-child(2) { animation-delay: 0.05s; }
.ht-kb-category:nth-child(3) { animation-delay: 0.10s; }
.ht-kb-category:nth-child(4) { animation-delay: 0.15s; }
.ht-kb-category:nth-child(5) { animation-delay: 0.20s; }
.ht-kb-category:nth-child(6) { animation-delay: 0.25s; }
.ht-kb-category:nth-child(7) { animation-delay: 0.30s; }
.ht-kb-category:nth-child(8) { animation-delay: 0.35s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .ht-kb-section,
  .kb-section {
    grid-template-columns: 1fr !important;
  }

  .ht-kb-article,
  .single-ht_kb,
  article.type-ht_kb {
    padding: 24px !important;
  }

  #header nav ul,
  .main-navigation ul {
    flex-wrap: wrap !important;
    gap: 2px !important;
  }

  #header nav ul li a,
  .nav-menu li a {
    padding: 6px 10px !important;
    font-size: 0.8rem !important;
  }

  .ht-kb-search-form,
  .search-form {
    flex-direction: column !important;
    border-radius: var(--radius-md) !important;
  }

  .ht-kb-search-form button,
  .search-form button {
    border-radius: var(--radius-sm) !important;
    width: 100% !important;
  }
}

@media (max-width: 480px) {
  .ht-kb-search-section,
  .knowall-hero {
    padding: 40px 16px !important;
  }
}

/* ============================================================
   PRINT STYLES
   ============================================================ */
@media print {
  #header, #footer, .sidebar, nav { display: none !important; }
  body { background: white !important; color: black !important; }
  .ht-kb-article { border: none !important; box-shadow: none !important; padding: 0 !important; }
}