/*
Theme Name: PrinterFix
Theme URI: https://printerfix.example
Author: PrinterFix Team
Author URI: https://printerfix.example
Description: Professional multilingual technical platform for printer error database. Arabic / English / French with auto browser detection. Fast, SEO-friendly, mobile-first. Compatible with Gutenberg and WooCommerce.
Version: 1.1.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: printerfix
Tags: custom-post-type, custom-menu, featured-images, translation-ready, theme-options, e-commerce, rtl-language-support
*/

:root {
  --pf-primary: #0A2540;
  --pf-primary-dark: #061828;
  --pf-primary-mid: #0D3B66;
  --pf-primary-light: #1B5A8A;
  --pf-accent: #2B7DE9;
  --pf-accent-hover: #1A6AD4;
  --pf-accent-soft: rgba(43, 125, 233, 0.12);
  --pf-accent-glow: rgba(43, 125, 233, 0.25);
  --pf-bg: #F4F7FB;
  --pf-bg-pure: #FFFFFF;
  --pf-bg-glass: rgba(255, 255, 255, 0.72);
  --pf-bg-glass-strong: rgba(255, 255, 255, 0.88);
  --pf-bg-card: rgba(255, 255, 255, 0.65);
  --pf-bg-elevated: rgba(255, 255, 255, 0.92);
  --pf-bg-muted: rgba(10, 37, 64, 0.04);
  --pf-bg-hero: linear-gradient(160deg, #E8F1FB 0%, #F4F7FB 45%, #EEF4FA 100%);
  --pf-text: #0F2744;
  --pf-text-muted: #5A7A9A;
  --pf-text-light: #8BA3BC;
  --pf-heading: #0A2540;
  --pf-success: #0D9F6E;
  --pf-success-bg: rgba(13, 159, 110, 0.1);
  --pf-success-border: rgba(13, 159, 110, 0.25);
  --pf-warning: #D97706;
  --pf-warning-bg: rgba(217, 119, 6, 0.1);
  --pf-danger: #DC2626;
  --pf-danger-bg: rgba(220, 38, 38, 0.08);
  --pf-info-bg: rgba(43, 125, 233, 0.1);
  --pf-border: rgba(10, 37, 64, 0.08);
  --pf-border-strong: rgba(10, 37, 64, 0.14);
  --pf-border-accent: rgba(43, 125, 233, 0.35);
  --pf-radius: 10px;
  --pf-radius-sm: 7px;
  --pf-radius-lg: 14px;
  --pf-radius-xl: 18px;
  --pf-shadow: 0 1px 2px rgba(10, 37, 64, 0.04), 0 4px 12px rgba(10, 37, 64, 0.04);
  --pf-shadow-md: 0 4px 16px rgba(10, 37, 64, 0.07), 0 1px 3px rgba(10, 37, 64, 0.04);
  --pf-shadow-lg: 0 12px 32px rgba(10, 37, 64, 0.1), 0 4px 8px rgba(10, 37, 64, 0.04);
  --pf-shadow-glow: 0 0 0 3px var(--pf-accent-glow);
  --pf-font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --pf-font-ar: "Segoe UI", Tahoma, "Noto Sans Arabic", Arial, sans-serif;
  --pf-font-mono: "SF Mono", "Fira Code", ui-monospace, Menlo, Consolas, monospace;
  --pf-fs-xs: 0.75rem;
  --pf-fs-sm: 0.875rem;
  --pf-fs-base: 1rem;
  --pf-fs-lg: 1.125rem;
  --pf-fs-xl: 1.25rem;
  --pf-fs-2xl: 1.5rem;
  --pf-fs-3xl: 1.875rem;
  --pf-fs-4xl: 2.25rem;
  --pf-container: 1180px;
  --pf-header-height: 68px;
  --pf-transition: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}
.dir-rtl { --pf-font: var(--pf-font-ar); }
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--pf-font); font-size: var(--pf-fs-base); line-height: 1.65;
  color: var(--pf-text); background: var(--pf-bg); -webkit-font-smoothing: antialiased;
  min-height: 100vh; display: flex; flex-direction: column;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--pf-accent); text-decoration: none; transition: color var(--pf-transition); }
a:hover { color: var(--pf-accent-hover); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
h1, h2, h3, h4, h5, h6 { color: var(--pf-heading); font-weight: 700; line-height: 1.25; letter-spacing: -0.02em; }
h1 { font-size: var(--pf-fs-4xl); }
h2 { font-size: var(--pf-fs-3xl); }
h3 { font-size: var(--pf-fs-2xl); }
h4 { font-size: var(--pf-fs-xl); }
.pf-container { width: 100%; max-width: var(--pf-container); margin-left: auto; margin-right: auto; padding-left: 1.25rem; padding-right: 1.25rem; }
.pf-sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.pf-text-muted { color: var(--pf-text-muted); }
.pf-text-sm { font-size: var(--pf-fs-sm); }
.pf-text-xs { font-size: var(--pf-fs-xs); }
.pf-font-mono { font-family: var(--pf-font-mono); }
.pf-font-bold { font-weight: 700; }
.pf-font-semibold { font-weight: 600; }
.pf-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.65rem 1.35rem; font-size: var(--pf-fs-sm); font-weight: 600; line-height: 1.4;
  border-radius: var(--pf-radius); border: 1px solid transparent; cursor: pointer;
  transition: all var(--pf-transition); text-decoration: none; white-space: nowrap; letter-spacing: -0.01em;
}
.pf-btn:focus-visible { outline: none; box-shadow: var(--pf-shadow-glow); }
.pf-btn-primary {
  background: linear-gradient(180deg, var(--pf-accent) 0%, var(--pf-accent-hover) 100%);
  color: #fff; border-color: transparent;
  box-shadow: 0 1px 2px rgba(26, 106, 212, 0.3), inset 0 1px 0 rgba(255,255,255,0.15);
}
.pf-btn-primary:hover {
  background: linear-gradient(180deg, var(--pf-accent-hover) 0%, #1558B8 100%);
  color: #fff; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(26, 106, 212, 0.35);
}
.pf-btn-secondary { background: var(--pf-primary); color: #fff; }
.pf-btn-secondary:hover { background: var(--pf-primary-dark); color: #fff; }
.pf-btn-outline {
  background: var(--pf-bg-glass); color: var(--pf-primary); border-color: var(--pf-border-strong);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.pf-btn-outline:hover { background: var(--pf-bg-pure); border-color: var(--pf-accent); color: var(--pf-accent); }
.pf-btn-ghost { background: transparent; color: var(--pf-text); border-color: transparent; }
.pf-btn-ghost:hover { background: var(--pf-bg-muted); }
.pf-btn-success { background: var(--pf-success); color: #fff; }
.pf-btn-lg { padding: 0.9rem 1.85rem; font-size: var(--pf-fs-base); border-radius: var(--pf-radius-lg); }
.pf-btn-sm { padding: 0.4rem 0.85rem; font-size: var(--pf-fs-xs); }
.pf-card {
  background: var(--pf-bg-card); border: 1px solid var(--pf-border); border-radius: var(--pf-radius-lg);
  box-shadow: var(--pf-shadow); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); overflow: hidden;
  transition: box-shadow var(--pf-transition), border-color var(--pf-transition), transform var(--pf-transition);
}
.pf-card:hover { box-shadow: var(--pf-shadow-md); border-color: var(--pf-border-accent); }
.pf-card-body { padding: 1.35rem; }
.pf-badge {
  display: inline-flex; align-items: center; padding: 0.22rem 0.7rem; font-size: var(--pf-fs-xs);
  font-weight: 600; border-radius: 9999px; line-height: 1.4; letter-spacing: 0.01em;
}
.pf-badge-primary { background: var(--pf-accent-soft); color: var(--pf-primary-mid); border: 1px solid rgba(43,125,233,0.15); }
.pf-badge-success { background: var(--pf-success-bg); color: #065F46; border: 1px solid var(--pf-success-border); }
.pf-badge-warning { background: var(--pf-warning-bg); color: #92400E; border: 1px solid rgba(217,119,6,0.2); }
.pf-badge-danger { background: var(--pf-danger-bg); color: #991B1B; border: 1px solid rgba(220,38,38,0.15); }
.pf-badge-muted { background: var(--pf-bg-muted); color: var(--pf-text-muted); border: 1px solid var(--pf-border); }
.pf-badge-confirmed { background: var(--pf-success-bg); color: #065F46; border: 1px solid var(--pf-success-border); }
.pf-badge-likely { background: var(--pf-warning-bg); color: #92400E; border: 1px solid rgba(217,119,6,0.2); }
.pf-badge-possible { background: var(--pf-bg-muted); color: var(--pf-text-muted); border: 1px solid var(--pf-border); }
.pf-header {
  position: sticky; top: 0; z-index: 1000; height: var(--pf-header-height);
  background: var(--pf-bg-glass-strong); border-bottom: 1px solid var(--pf-border);
  backdrop-filter: blur(16px) saturate(180%); -webkit-backdrop-filter: blur(16px) saturate(180%);
  box-shadow: 0 1px 0 rgba(255,255,255,0.6) inset, var(--pf-shadow);
}
.pf-header-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; gap: 1rem; }
.pf-logo {
  display: flex; align-items: center; gap: 0.6rem; font-size: 1.2rem; font-weight: 800;
  color: var(--pf-primary); text-decoration: none; flex-shrink: 0; letter-spacing: -0.03em;
}
.pf-logo:hover { color: var(--pf-primary-mid); }
.pf-logo-icon {
  width: 34px; height: 34px;
  background: linear-gradient(145deg, var(--pf-accent) 0%, var(--pf-primary-mid) 100%);
  border-radius: 9px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 1rem;
  box-shadow: 0 2px 8px rgba(43, 125, 233, 0.35);
}
.pf-nav { display: none; }
.pf-nav-list { display: flex; align-items: center; gap: 0.15rem; }
.pf-nav-link {
  display: block; padding: 0.45rem 0.8rem; font-size: var(--pf-fs-sm); font-weight: 500;
  color: var(--pf-text); border-radius: var(--pf-radius-sm); transition: background var(--pf-transition), color var(--pf-transition);
}
.pf-nav-link:hover, .pf-nav-link.active { background: var(--pf-accent-soft); color: var(--pf-accent); }
.pf-header-actions { display: flex; align-items: center; gap: 0.4rem; flex-shrink: 0; }
.pf-search-toggle, .pf-menu-toggle {
  display: flex; align-items: center; justify-content: center; width: 40px; height: 40px;
  background: transparent; border: 1px solid transparent; border-radius: var(--pf-radius);
  color: var(--pf-text); cursor: pointer; transition: all var(--pf-transition);
}
.pf-search-toggle:hover, .pf-menu-toggle:hover { background: var(--pf-bg-muted); border-color: var(--pf-border); }
.pf-lang-switcher { position: relative; }
.pf-lang-btn {
  display: flex; align-items: center; gap: 0.35rem; padding: 0.4rem 0.7rem;
  background: var(--pf-bg-muted); border: 1px solid var(--pf-border); border-radius: var(--pf-radius-sm);
  font-size: var(--pf-fs-xs); font-weight: 700; color: var(--pf-primary); cursor: pointer;
  letter-spacing: 0.04em; transition: all var(--pf-transition);
}
.pf-lang-btn:hover { border-color: var(--pf-border-accent); background: var(--pf-accent-soft); }
.pf-lang-dropdown {
  position: absolute; top: calc(100% + 6px); inset-inline-end: 0; min-width: 130px;
  background: var(--pf-bg-elevated); border: 1px solid var(--pf-border); border-radius: var(--pf-radius);
  box-shadow: var(--pf-shadow-lg); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  padding: 0.35rem; z-index: 1100; list-style: none;
}
.pf-lang-dropdown[hidden] { display: none !important; }
.pf-lang-option {
  display: block; padding: 0.5rem 0.75rem; font-size: var(--pf-fs-sm); font-weight: 500;
  color: var(--pf-text); border-radius: var(--pf-radius-sm); transition: background var(--pf-transition);
}
.pf-lang-option:hover, .pf-lang-option.is-active { background: var(--pf-accent-soft); color: var(--pf-accent); }
.pf-mobile-menu {
  display: none; position: fixed; inset: 0; top: var(--pf-header-height);
  background: var(--pf-bg-glass-strong); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  z-index: 999; overflow-y: auto; padding: 1.25rem; border-top: 1px solid var(--pf-border);
}
.pf-mobile-menu.is-open { display: block; }
.pf-mobile-nav-list { display: flex; flex-direction: column; gap: 0.25rem; }
.pf-mobile-nav-link {
  display: block; padding: 0.85rem 1rem; font-size: var(--pf-fs-base); font-weight: 500;
  color: var(--pf-text); border-radius: var(--pf-radius); border: 1px solid transparent;
}
.pf-mobile-nav-link:hover { background: var(--pf-accent-soft); color: var(--pf-accent); border-color: var(--pf-border-accent); }
.pf-search-overlay {
  display: none; position: fixed; inset: 0; background: rgba(10, 37, 64, 0.55);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); z-index: 1100;
  align-items: flex-start; justify-content: center; padding-top: 12vh;
}
.pf-search-overlay.is-open { display: flex; }
.pf-search-box {
  width: 100%; max-width: 640px; margin: 0 1rem; background: var(--pf-bg-elevated);
  border: 1px solid var(--pf-border); border-radius: var(--pf-radius-xl); box-shadow: var(--pf-shadow-lg);
  overflow: hidden; backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
}
.pf-search-input-wrap {
  display: flex; align-items: center; padding: 0.85rem 1.15rem; border-bottom: 1px solid var(--pf-border); gap: 0.75rem;
}
.pf-search-input {
  flex: 1; border: none; outline: none; font-size: var(--pf-fs-lg); padding: 0.35rem;
  background: transparent; color: var(--pf-text); min-width: 0;
}
.pf-search-input::placeholder { color: var(--pf-text-light); }
.pf-search-close {
  background: none; border: none; cursor: pointer; padding: 0.4rem; color: var(--pf-text-muted); border-radius: var(--pf-radius-sm);
}
.pf-search-close:hover { background: var(--pf-bg-muted); color: var(--pf-text); }
.pf-hero {
  background: var(--pf-bg-hero); padding: 3.5rem 0 3rem; text-align: center; position: relative; overflow: hidden;
}
.pf-hero::before {
  content: ''; position: absolute; top: -40%; left: 50%; transform: translateX(-50%); width: 80%; height: 80%;
  background: radial-gradient(ellipse, rgba(43, 125, 233, 0.08) 0%, transparent 70%); pointer-events: none;
}
.pf-hero-title {
  font-size: clamp(1.85rem, 5vw, 2.85rem); font-weight: 800; color: var(--pf-heading);
  margin-bottom: 1rem; letter-spacing: -0.03em; position: relative;
}
.pf-hero-desc {
  font-size: var(--pf-fs-lg); color: var(--pf-text-muted); max-width: 580px; margin: 0 auto 2rem;
  line-height: 1.65; position: relative;
}
.pf-hero-search { max-width: 680px; margin: 0 auto 1.5rem; position: relative; }
.pf-hero-search-form {
  display: flex; background: var(--pf-bg-glass-strong); border: 1.5px solid var(--pf-border);
  border-radius: var(--pf-radius-xl); box-shadow: var(--pf-shadow-md); overflow: hidden;
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  transition: border-color var(--pf-transition), box-shadow var(--pf-transition);
}
.pf-hero-search-form:focus-within { border-color: var(--pf-accent); box-shadow: var(--pf-shadow-glow), var(--pf-shadow-md); }
.pf-hero-search-input {
  flex: 1; border: none; outline: none; padding: 1.1rem 1.35rem; font-size: var(--pf-fs-lg);
  background: transparent; color: var(--pf-text); min-width: 0;
}
.pf-hero-search-input::placeholder { color: var(--pf-text-light); }
.pf-hero-search-btn {
  padding: 0 1.75rem; background: linear-gradient(180deg, var(--pf-accent) 0%, var(--pf-accent-hover) 100%);
  color: #fff; border: none; font-weight: 600; cursor: pointer; transition: background var(--pf-transition); white-space: nowrap;
}
.pf-hero-search-btn:hover { background: linear-gradient(180deg, var(--pf-accent-hover) 0%, #1558B8 100%); }
.pf-hero-examples { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem; margin-bottom: 2rem; position: relative; }
.pf-example-chip {
  display: inline-block; padding: 0.4rem 0.95rem; font-size: var(--pf-fs-sm); font-family: var(--pf-font-mono);
  background: var(--pf-bg-glass); border: 1px solid var(--pf-border); border-radius: 9999px; color: var(--pf-text-muted);
  cursor: pointer; transition: all var(--pf-transition); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.pf-example-chip:hover {
  border-color: var(--pf-border-accent); color: var(--pf-accent); background: var(--pf-accent-soft);
  box-shadow: 0 2px 8px rgba(43, 125, 233, 0.12);
}
.pf-hero-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem; position: relative; }
.pf-section { padding: 3.5rem 0; }
.pf-section-alt { background: linear-gradient(180deg, rgba(232, 241, 251, 0.5) 0%, transparent 100%); }
.pf-section-header { text-align: center; margin-bottom: 2.25rem; }
.pf-section-title { font-size: var(--pf-fs-3xl); font-weight: 800; margin-bottom: 0.5rem; letter-spacing: -0.02em; }
.pf-section-subtitle { font-size: var(--pf-fs-lg); color: var(--pf-text-muted); max-width: 540px; margin: 0 auto; }
.pf-brands-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 1rem; }
.pf-brand-card {
  display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 1.5rem 1rem;
  background: var(--pf-bg-card); border: 1px solid var(--pf-border); border-radius: var(--pf-radius-lg);
  text-align: center; transition: all var(--pf-transition); text-decoration: none; color: var(--pf-text);
  min-height: 96px; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); box-shadow: var(--pf-shadow);
}
.pf-brand-card:hover {
  border-color: var(--pf-border-accent); box-shadow: var(--pf-shadow-md), 0 0 0 1px var(--pf-accent-soft);
  color: var(--pf-accent); transform: translateY(-3px); background: var(--pf-bg-elevated);
}
.pf-brand-name { font-weight: 600; font-size: var(--pf-fs-sm); letter-spacing: -0.01em; }
.pf-cases-grid { display: grid; grid-template-columns: 1fr; gap: 1.15rem; }
.pf-case-card {
  background: var(--pf-bg-card); border: 1px solid var(--pf-border); border-radius: var(--pf-radius-lg);
  padding: 1.35rem; transition: all var(--pf-transition); backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px); box-shadow: var(--pf-shadow);
}
.pf-case-card:hover { box-shadow: var(--pf-shadow-md); border-color: var(--pf-border-accent); transform: translateY(-2px); }
.pf-case-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 0.4rem; margin-bottom: 0.75rem; }
.pf-case-error-code { font-family: var(--pf-font-mono); font-weight: 700; font-size: 1.15rem; color: var(--pf-danger); letter-spacing: -0.02em; }
.pf-case-title { font-size: var(--pf-fs-base); font-weight: 600; margin-bottom: 0.4rem; color: var(--pf-heading); letter-spacing: -0.01em; }
.pf-case-title a { color: inherit; }
.pf-case-title a:hover { color: var(--pf-accent); }
.pf-case-symptoms {
  font-size: var(--pf-fs-sm); color: var(--pf-text-muted); margin-bottom: 0.75rem;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.pf-case-footer {
  display: flex; align-items: center; justify-content: space-between; gap: 0.75rem;
  margin-top: 0.75rem; padding-top: 0.75rem; border-top: 1px solid var(--pf-border);
}
.pf-smart-search {
  background: var(--pf-bg-card); border: 1px solid var(--pf-border); border-radius: var(--pf-radius-xl);
  padding: 1.75rem; box-shadow: var(--pf-shadow-md); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
}
.pf-filters-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; margin-bottom: 0; }
.pf-filter-group label { display: block; font-size: var(--pf-fs-sm); font-weight: 600; color: var(--pf-text); margin-bottom: 0.4rem; }
.pf-filter-select, .pf-filter-input {
  width: 100%; padding: 0.7rem 0.95rem; border: 1px solid var(--pf-border); border-radius: var(--pf-radius);
  background: var(--pf-bg-glass-strong); color: var(--pf-text); font-size: var(--pf-fs-sm);
  transition: border-color var(--pf-transition), box-shadow var(--pf-transition); backdrop-filter: blur(6px);
}
.pf-filter-select:focus, .pf-filter-input:focus { outline: none; border-color: var(--pf-accent); box-shadow: var(--pf-shadow-glow); }
.pf-error-header { background: var(--pf-bg-hero); padding: 2.25rem 0; border-bottom: 1px solid var(--pf-border); }
.pf-error-title { font-size: clamp(1.5rem, 4vw, 2.15rem); font-weight: 800; margin-bottom: 1.25rem; letter-spacing: -0.02em; }
.pf-error-meta-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 0.85rem; }
.pf-meta-item {
  background: var(--pf-bg-card); border: 1px solid var(--pf-border); border-radius: var(--pf-radius);
  padding: 0.85rem 1rem; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); box-shadow: var(--pf-shadow);
}
.pf-meta-label { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--pf-text-muted); margin-bottom: 0.25rem; }
.pf-meta-value { font-size: var(--pf-fs-base); font-weight: 600; color: var(--pf-heading); }
.pf-content-block {
  background: var(--pf-bg-card); border: 1px solid var(--pf-border); border-radius: var(--pf-radius-lg);
  padding: 1.75rem; margin-bottom: 1.5rem; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); box-shadow: var(--pf-shadow);
}
.pf-content-block h2, .pf-content-block h3 { margin-bottom: 1rem; padding-bottom: 0.75rem; border-bottom: 1px solid var(--pf-border); font-size: 1.2rem; }
.pf-steps { counter-reset: step; }
.pf-step { position: relative; padding-inline-start: 3rem; margin-bottom: 1.25rem; }
.pf-step::before {
  counter-increment: step; content: counter(step); position: absolute; inset-inline-start: 0; top: 0;
  width: 2rem; height: 2rem; background: linear-gradient(145deg, var(--pf-accent), var(--pf-primary-mid));
  color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: var(--pf-fs-sm); font-weight: 700; box-shadow: 0 2px 8px rgba(43, 125, 233, 0.3);
}
.pf-solution-box { background: var(--pf-success-bg); border: 1px solid var(--pf-success-border); border-radius: var(--pf-radius-lg); padding: 1.75rem; }
.pf-solution-box h3 { color: #065F46; border-bottom-color: var(--pf-success-border); }
.pf-parts-list { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.pf-helpful {
  display: flex; align-items: center; flex-wrap: wrap; gap: 1rem; padding: 1.25rem 1.5rem;
  background: var(--pf-bg-card); border-radius: var(--pf-radius-lg); border: 1px solid var(--pf-border);
  backdrop-filter: blur(8px); box-shadow: var(--pf-shadow);
}
.pf-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 0.75rem; }
.pf-gallery-item { aspect-ratio: 4/3; border-radius: var(--pf-radius); overflow: hidden; cursor: pointer; border: 1px solid var(--pf-border); box-shadow: var(--pf-shadow); }
.pf-gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.25s ease; }
.pf-gallery-item:hover img { transform: scale(1.06); }
.pf-breadcrumbs { padding: 0.5rem 0 1rem; font-size: var(--pf-fs-sm); color: var(--pf-text-muted); }
.pf-breadcrumbs a { color: var(--pf-text-muted); }
.pf-breadcrumbs a:hover { color: var(--pf-accent); }
.pf-breadcrumbs span { margin: 0 0.4rem; color: var(--pf-text-light); }
.pf-footer {
  background: linear-gradient(180deg, var(--pf-primary-mid) 0%, var(--pf-primary) 100%);
  color: rgba(255, 255, 255, 0.82); padding: 3.5rem 0 1.75rem; margin-top: auto;
}
.pf-footer a { color: rgba(255, 255, 255, 0.7); transition: color 0.15s; }
.pf-footer a:hover { color: #fff; }
.pf-footer-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; margin-bottom: 2.5rem; }
.pf-footer-brand { font-size: 1.25rem; font-weight: 800; color: #fff; margin-bottom: 0.75rem; letter-spacing: -0.02em; }
.pf-footer-desc { font-size: var(--pf-fs-sm); line-height: 1.65; max-width: 280px; opacity: 0.85; }
.pf-footer-title { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: #fff; margin-bottom: 1rem; opacity: 0.95; }
.pf-footer-links { display: flex; flex-direction: column; gap: 0.45rem; }
.pf-footer-links a { font-size: var(--pf-fs-sm); }
.pf-footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.12); padding-top: 1.5rem; text-align: center; font-size: var(--pf-fs-sm); color: rgba(255, 255, 255, 0.55); }
.pf-form-group { margin-bottom: 1.25rem; }
.pf-form-label { display: block; font-size: var(--pf-fs-sm); font-weight: 600; margin-bottom: 0.4rem; color: var(--pf-text); }
.pf-form-input, .pf-form-select, .pf-form-textarea {
  width: 100%; padding: 0.8rem 1.05rem; border: 1px solid var(--pf-border); border-radius: var(--pf-radius);
  background: var(--pf-bg-glass-strong); color: var(--pf-text); transition: border-color var(--pf-transition), box-shadow var(--pf-transition);
}
.pf-form-input:focus, .pf-form-select:focus, .pf-form-textarea:focus { outline: none; border-color: var(--pf-accent); box-shadow: var(--pf-shadow-glow); }
.pf-form-textarea { min-height: 110px; resize: vertical; }
.pf-pagination { display: flex; justify-content: center; gap: 0.4rem; margin-top: 2.25rem; }
.pf-pagination a, .pf-pagination span {
  display: inline-flex; align-items: center; justify-content: center; min-width: 2.5rem; height: 2.5rem;
  padding: 0 0.7rem; border: 1px solid var(--pf-border); border-radius: var(--pf-radius);
  font-size: var(--pf-fs-sm); font-weight: 500; color: var(--pf-text); background: var(--pf-bg-card); backdrop-filter: blur(6px);
}
.pf-pagination a:hover { border-color: var(--pf-accent); color: var(--pf-accent); background: var(--pf-accent-soft); }
.pf-pagination .current { background: var(--pf-accent); border-color: var(--pf-accent); color: #fff; }
.pf-404 { text-align: center; padding: 5rem 0; }
.pf-404-code {
  font-size: 6.5rem; font-weight: 800;
  background: linear-gradient(180deg, var(--pf-border-strong), transparent);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; line-height: 1; margin-bottom: 1rem;
}
.pf-list { padding-inline-start: 1.25rem; }
.pf-list li { position: relative; padding: 0.35rem 0; padding-inline-start: 0.5rem; color: var(--pf-text); }
.pf-list li::before {
  content: ''; position: absolute; inset-inline-start: -0.85rem; top: 0.85rem;
  width: 6px; height: 6px; background: var(--pf-accent); border-radius: 50%;
}
@media (min-width: 640px) {
  .pf-cases-grid { grid-template-columns: repeat(2, 1fr); }
  .pf-filters-grid { grid-template-columns: repeat(2, 1fr); }
  .pf-footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 768px) {
  .pf-nav { display: block; }
  .pf-menu-toggle { display: none; }
  .pf-brands-grid { grid-template-columns: repeat(auto-fill, minmax(148px, 1fr)); }
  .pf-filters-grid { grid-template-columns: repeat(3, 1fr); }
  .pf-cases-grid { grid-template-columns: repeat(2, 1fr); }
  .pf-container { padding-left: 1.5rem; padding-right: 1.5rem; }
}
@media (min-width: 1024px) {
  .pf-cases-grid { grid-template-columns: repeat(3, 1fr); }
  .pf-filters-grid { grid-template-columns: repeat(5, 1fr); }
  .pf-footer-grid { grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr; }
  .pf-brands-grid { grid-template-columns: repeat(6, 1fr); }
}
@media (min-width: 1280px) {
  .pf-container { padding-left: 1.75rem; padding-right: 1.75rem; }
}
.woocommerce ul.products li.product {
  border: 1px solid var(--pf-border); border-radius: var(--pf-radius-lg); padding: 1rem;
  background: var(--pf-bg-card); backdrop-filter: blur(8px);
}
.woocommerce ul.products li.product .button { background: var(--pf-accent); color: #fff; border-radius: var(--pf-radius); }
@media print {
  .pf-header, .pf-footer, .pf-mobile-menu, .pf-search-overlay { display: none !important; }
}