/*
Theme Name: AutoSPrime
Theme URI: https://autosprime.com
Author: AutoSPrime Team
Author URI: https://autosprime.com
Description: AutoSPrime is a premium, high-performance automotive knowledge theme engineered for car enthusiasts, motorcycle riders, commercial fleet managers, and heavy equipment operators. Features interactive automotive tools, sleek dark/gold accents, modular template architecture, and automated starter content.
Version: 1.0.6
Requires at least: 6.0
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: autosprime
Tags: automotive, blog, vehicles, news, custom-colors, custom-menu, featured-images, full-width-template, responsive-layout, theme-options
*/

/* ==========================================================================
   CSS CUSTOM PROPERTIES & DESIGN TOKENS
   ========================================================================== */
:root {
  /* Typography */
  --font-display: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "Montserrat", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Spacing & Radii */
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius: 0.9rem;
  --radius-lg: 1rem;
  --radius-xl: 1.25rem;
  --radius-2xl: 1.5rem;
  --radius-3xl: 2rem;
  --radius-full: 9999px;

  /* Color Palette - Hex/RGB fallbacks + OKLCH */
  --background: #FAFAFA;
  --background: oklch(0.985 0 0);
  --foreground: #111111;
  --foreground: oklch(0.16 0 0);

  --card: #FFFFFF;
  --card: oklch(1 0 0);
  --card-foreground: #111111;
  --card-foreground: oklch(0.16 0 0);

  --popover: #FFFFFF;
  --popover: oklch(1 0 0);
  --popover-foreground: #111111;
  --popover-foreground: oklch(0.16 0 0);

  /* Primary Brand - Bronze */
  --primary: #8D6E3F;
  --primary: oklch(0.52 0.08 65);
  --primary-foreground: #FFFFFF;
  --primary-foreground: oklch(0.99 0 0);

  /* Secondary - Deep Ink */
  --secondary: #111111;
  --secondary: oklch(0.16 0 0);
  --secondary-foreground: #FFFFFF;
  --secondary-foreground: oklch(0.99 0 0);

  /* Muted & Borders */
  --muted: #F5F5F5;
  --muted: oklch(0.96 0.005 80);
  --muted-foreground: #737373;
  --muted-foreground: oklch(0.45 0.01 80);

  /* Accents & Gold */
  --accent: #D8C4A0;
  --accent: oklch(0.85 0.05 80);
  --accent-foreground: #111111;
  --accent-foreground: oklch(0.16 0 0);

  --gold: #A8854F;
  --gold: oklch(0.62 0.09 68);
  --gold-soft: #D8C4A0;
  --gold-soft: oklch(0.85 0.05 80);
  --ink: #111111;
  --ink: oklch(0.16 0 0);

  --destructive: #DC2626;
  --destructive: oklch(0.55 0.22 27);
  --destructive-foreground: #FFFFFF;
  --destructive-foreground: oklch(0.99 0 0);

  --success: #16A34A;
  --success: oklch(0.55 0.14 145);
  --warning: #D97706;
  --warning: oklch(0.78 0.16 75);

  --border: #ECECEC;
  --border: oklch(0.93 0.003 80);
  --input: #ECECEC;
  --input: oklch(0.93 0.003 80);
  --ring: #8D6E3F;
  --ring: oklch(0.52 0.08 65);

  /* Gradients */
  --gradient-gold: linear-gradient(135deg, #8D6E3F 0%, #B89658 50%, #D8C4A0 100%);
  --gradient-ink: linear-gradient(180deg, #111111 0%, #1e1e1e 100%);
  --gradient-hero: linear-gradient(135deg, rgba(17,17,17,0.88) 0%, rgba(141,110,63,0.38) 60%, rgba(17,17,17,0.92) 100%);

  /* Shadows */
  --shadow-soft: 0 10px 30px -12px rgba(17, 17, 17, 0.12);
  --shadow-gold: 0 20px 60px -20px rgba(141, 110, 63, 0.35);
  --shadow-lift: 0 25px 50px -15px rgba(17, 17, 17, 0.18);

  /* Layout constants */
  --header-height: 72px;
  --container-max: 1280px;
}

/* Dark Theme Variables */
.dark,
[data-theme="dark"] {
  --background: #141414;
  --background: oklch(0.14 0 0);
  --foreground: #F5F5F5;
  --foreground: oklch(0.98 0 0);

  --card: #1F1F1F;
  --card: oklch(0.19 0.005 80);
  --card-foreground: #F5F5F5;
  --card-foreground: oklch(0.98 0 0);

  --popover: #1F1F1F;
  --popover: oklch(0.19 0.005 80);
  --popover-foreground: #F5F5F5;
  --popover-foreground: oklch(0.98 0 0);

  --primary: #B89658;
  --primary: oklch(0.72 0.09 75);
  --primary-foreground: #141414;
  --primary-foreground: oklch(0.14 0 0);

  --secondary: #F5F5F5;
  --secondary: oklch(0.98 0 0);
  --secondary-foreground: #141414;
  --secondary-foreground: oklch(0.14 0 0);

  --muted: #242424;
  --muted: oklch(0.22 0.005 80);
  --muted-foreground: #A3A3A3;
  --muted-foreground: oklch(0.72 0.01 80);

  --accent: #403628;
  --accent: oklch(0.35 0.04 75);
  --accent-foreground: #F5F5F5;
  --accent-foreground: oklch(0.98 0 0);

  --border: rgba(255, 255, 255, 0.12);
  --input: rgba(255, 255, 255, 0.14);
  --ring: #B89658;
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
}

body {
  background-color: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main#primary {
  flex: 1 0 auto;
}

img, svg, video, canvas, audio, iframe, embed, object {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

button, input, optgroup, select, textarea {
  font-family: inherit;
  font-size: 100%;
  line-height: inherit;
  color: inherit;
  margin: 0;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--foreground);
}

.font-num {
  font-family: var(--font-mono);
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums;
}

/* ==========================================================================
   LAYOUT & CONTAINER UTILITIES
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

@media (min-width: 640px) {
  .container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

.max-w-xl { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-5xl { max-width: 64rem; }
.max-w-6xl { max-width: 72rem; }
.max-w-7xl { max-width: 80rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Grid utilities */
.grid {
  display: grid;
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-5 { gap: 1.25rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-10 { gap: 2.5rem; }
.gap-12 { gap: 3rem; }
.gap-14 { gap: 3.5rem; }

@media (min-width: 640px) {
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sm\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .lg\:grid-cols-\[1fr_1\.1fr\] { grid-template-columns: 1fr 1.1fr; }
  .lg\:grid-cols-\[1fr_1\.4fr\] { grid-template-columns: 1fr 1.4fr; }
  .lg\:grid-cols-\[1\.2fr_2fr\] { grid-template-columns: 1.2fr 2fr; }
  .lg\:grid-cols-\[1\.4fr_1fr\] { grid-template-columns: 1.4fr 1fr; }
}

/* Flex utilities */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.flex-1 { flex: 1 1 0%; }
.shrink-0 { flex-shrink: 0; }

@media (min-width: 768px) {
  .md\:flex-row { flex-direction: row; }
  .md\:items-center { align-items: center; }
}

/* Display & Positioning */
.hidden { display: none; }
.block { display: block; }
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.inset-0 { inset: 0; }
.inset-x-0 { left: 0; right: 0; }
.top-0 { top: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }
.right-0 { right: 0; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }
.z-60 { z-index: 60; }
.overflow-hidden { overflow: hidden; }

@media (min-width: 640px) {
  .sm\:inline-flex { display: inline-flex; }
}
@media (min-width: 768px) {
  .md\:block { display: block; }
  .md\:inline-flex { display: inline-flex; }
  .md\:hidden { display: none; }
}
@media (min-width: 1024px) {
  .lg\:flex { display: flex; }
  .lg\:hidden { display: none; }
  .lg\:block { display: block; }
}

/* Section Spacing (VIP Mobile compact sizing) */
.section-padding {
  padding-top: clamp(3rem, 6vw, 7rem);
  padding-bottom: clamp(3rem, 6vw, 7rem);
}
.py-14 { padding-top: 3.5rem; padding-bottom: 3.5rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.py-20 { padding-top: clamp(3rem, 5vw, 5rem); padding-bottom: clamp(3rem, 5vw, 5rem); }
.py-24 { padding-top: clamp(3.5rem, 6vw, 6rem); padding-bottom: clamp(3.5rem, 6vw, 6rem); }

/* ==========================================================================
   BUTTONS & FORM CONTROLS (TOUCH-FRIENDLY 40PX+)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  min-height: 44px;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-full);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--primary);
  color: var(--primary-foreground);
  box-shadow: 0 4px 14px rgba(141, 110, 63, 0.25);
}
.btn-primary:hover {
  background-color: var(--gold);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.btn-secondary {
  background-color: var(--secondary);
  color: var(--secondary-foreground);
}
.btn-secondary:hover {
  background-color: var(--primary);
  color: var(--primary-foreground);
  transform: translateY(-2px);
}

.btn-glass {
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
}
.btn-glass:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.btn-outline {
  border-color: var(--border);
  color: var(--foreground);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(141, 110, 63, 0.05);
}

/* Touch-friendly Form Controls (16px+ prevents iOS auto-zoom) */
input[type="text"],
input[type="email"],
input[type="url"],
input[type="password"],
input[type="search"],
input[type="number"],
input[type="tel"],
select,
textarea {
  width: 100%;
  font-size: 16px;
  line-height: 1.5;
  padding: 0.75rem 1.125rem;
  min-height: 46px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background-color: var(--background);
  color: var(--foreground);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(141, 110, 63, 0.18);
  background-color: var(--card);
}

textarea {
  min-height: 130px;
  resize: vertical;
}

/* ==========================================================================
   GLASSMORPHISM, LUXURY CARDS & EFFECTS
   ========================================================================== */
.glass {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.glass-dark {
  background: rgba(17, 17, 17, 0.65);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.gold-text {
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}

.gold-border {
  position: relative;
}
.gold-border::before {
  content: "";
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: var(--gradient-gold);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.card {
  background-color: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-3xl);
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
}

.card-lift {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
}
.card-lift:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lift);
}

.shine {
  position: relative;
  overflow: hidden;
}
.shine::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,0.3) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.8s ease;
}
.shine:hover::after {
  transform: translateX(100%);
}

/* Animations */
@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
@keyframes gradient-pan {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.animate-float {
  animation: float-y 5s ease-in-out infinite;
}
.animate-marquee {
  animation: marquee 35s linear infinite;
}
.animate-marquee:hover {
  animation-play-state: paused;
}
.animate-gradient {
  background-size: 200% 200%;
  animation: gradient-pan 8s ease infinite;
}

/* Viewport Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
#reading-progress {
  position: fixed;
  left: 0;
  top: 0;
  height: 3px;
  width: 0%;
  background: var(--gradient-gold);
  z-index: 100;
  transition: width 0.1s ease-out;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 50;
  background-color: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.dark .site-header {
  background-color: rgba(20, 20, 20, 0.92);
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

.site-header.is-scrolled {
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.site-header .container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.header-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 1rem;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.site-branding {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
  transition: opacity 0.2s ease;
}
.site-branding:hover {
  opacity: 0.9;
}
.site-logo-img {
  height: 40px;
  width: auto;
  max-width: 230px;
  display: block;
  object-fit: contain;
  transition: transform 0.2s ease;
}
.site-branding:hover .site-logo-img {
  transform: translateY(-1px);
}
.site-logo-dark {
  display: none !important;
}
.dark .site-logo-light {
  display: none !important;
}
.dark .site-logo-dark {
  display: block !important;
}

@media (max-width: 640px) {
  .site-logo-img {
    height: 34px;
    max-width: 195px;
  }
}

/* Desktop Menu */
.primary-menu {
  display: none;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

@media (min-width: 1024px) {
  .primary-menu {
    display: flex;
  }
}

.primary-menu > li {
  position: relative;
}

.primary-menu > li > a,
.primary-menu > li > button {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 0.875rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--foreground);
  border-radius: var(--radius-full);
  transition: color 0.2s ease, background-color 0.2s ease;
}

.primary-menu > li > a:hover,
.primary-menu > li > button:hover,
.primary-menu > li.current-menu-item > a {
  color: var(--primary);
}

/* Dropdown */
.menu-item-has-children:hover > .sub-menu,
.menu-item-has-children:focus-within > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.sub-menu {
  position: absolute;
  left: 0;
  top: 100%;
  margin-top: 0.5rem;
  min-width: 15rem;
  padding: 0.5rem;
  background-color: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lift);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  z-index: 60;
}

.sub-menu li a {
  display: block;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--foreground);
  border-radius: var(--radius-md);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.sub-menu li a:hover {
  background-color: var(--muted);
  color: var(--primary);
}

/* Header Action Buttons */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--foreground);
  transition: all 0.2s ease;
}
.icon-btn:hover {
  background-color: var(--muted);
  border-color: var(--primary);
  color: var(--primary);
}

/* Mobile Nav Drawer */
.mobile-nav-drawer {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s;
}

.mobile-nav-drawer.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-panel {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 85%;
  max-width: 24rem;
  background-color: var(--card);
  padding: 1.5rem;
  overflow-y: auto;
  box-shadow: var(--shadow-lift);
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.mobile-nav-drawer.is-open .mobile-nav-panel {
  transform: translateX(0);
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.mobile-nav-menu {
  margin-top: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.mobile-nav-menu a {
  display: block;
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  color: var(--foreground);
}
.mobile-nav-menu a:hover {
  background-color: var(--muted);
  color: var(--primary);
}

/* Search Modal Overlay */
.search-modal {
  position: fixed;
  inset: 0;
  z-index: 110;
  background: rgba(17, 17, 17, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 15vh;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s;
}

.search-modal.is-open {
  opacity: 1;
  visibility: visible;
}

.search-modal-box {
  width: 100%;
  max-width: 38rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-lift);
  transform: translateY(-20px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.search-modal.is-open .search-modal-box {
  transform: translateY(0);
}

/* ==========================================================================
   PAGE HERO & BREADCRUMBS
   ========================================================================== */
.page-hero {
  position: relative;
  overflow: hidden;
  background-color: var(--secondary);
  color: var(--secondary-foreground);
  padding-top: clamp(6.5rem, 10vw, 9.5rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
  text-align: center;
}

.page-hero-glow {
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background: radial-gradient(700px circle at 20% 20%, var(--primary) 0%, transparent 60%),
              radial-gradient(500px circle at 80% 80%, var(--accent) 0%, transparent 60%);
  pointer-events: none;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 1.25rem;
}

.breadcrumb-nav a {
  color: rgba(255, 255, 255, 0.75);
}
.breadcrumb-nav a:hover {
  color: var(--accent);
}
.breadcrumb-separator {
  opacity: 0.4;
}

.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.page-hero-title {
  font-size: clamp(2rem, 5vw, 3.75rem);
  font-weight: 900;
  line-height: 1.08;
  margin-top: 1rem;
  color: #FFFFFF;
}

.page-hero-desc {
  font-size: clamp(0.9375rem, 1.8vw, 1.125rem);
  color: rgba(255, 255, 255, 0.75);
  max-width: 42rem;
  margin-top: 1rem;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

/* ==========================================================================
   BLOG CARDS, ARCHIVES & PAGINATION
   ========================================================================== */
.post-card {
  display: flex;
  flex-direction: column;
  background-color: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease;
}

.post-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lift);
}

.post-card-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--muted);
}

.post-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.post-card:hover .post-card-thumb img {
  transform: scale(1.06);
}

.post-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  background-color: var(--primary);
  color: var(--primary-foreground);
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-full);
}

.post-card-body {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  padding: 1.35rem;
}

.post-card-cat {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.post-card-title {
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.5rem;
  color: var(--foreground);
}

.post-card-title a:hover {
  color: var(--primary);
}

.post-card-excerpt {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 1.25rem;
}

.post-card-meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--muted-foreground);
  border-top: 1px solid var(--border);
  padding-top: 0.75rem;
}

/* Category Filter Pills */
.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.pill-item {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background-color: var(--card);
  color: var(--foreground);
  transition: all 0.2s ease;
}

.pill-item:hover,
.pill-item.active {
  background-color: var(--primary);
  border-color: var(--primary);
  color: var(--primary-foreground);
}

/* Numeric Pagination */
.pagination,
.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  margin-top: 3.5rem;
}

.page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background-color: var(--card);
  color: var(--foreground);
  font-size: 0.875rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.page-numbers:hover,
.page-numbers.current {
  background-color: var(--primary);
  border-color: var(--primary);
  color: var(--primary-foreground);
}

.page-numbers.dots {
  border: none;
  background: transparent;
}

/* ==========================================================================
   SINGLE ARTICLE & PROSE TYPOGRAPHY
   ========================================================================== */
.single-hero {
  position: relative;
  overflow: hidden;
  background-color: var(--secondary);
  color: var(--secondary-foreground);
  padding-top: clamp(6.5rem, 10vw, 9.5rem);
  padding-bottom: clamp(3rem, 5vw, 4.5rem);
}

.single-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.25;
}

.single-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(17,17,17,0.7) 0%, rgba(17,17,17,0.98) 100%);
}

.article-container {
  max-width: 48rem;
  margin-left: auto;
  margin-right: auto;
  padding: clamp(2rem, 5vw, 3.5rem) 1.25rem;
}

.prose-custom {
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  line-height: 1.75;
  color: var(--foreground);
}

.prose-custom p {
  margin-top: 1.25rem;
  margin-bottom: 1.25rem;
  color: rgba(17, 17, 17, 0.88);
}
.dark .prose-custom p {
  color: rgba(245, 245, 245, 0.88);
}

.prose-custom h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.prose-custom h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.prose-custom ul,
.prose-custom ol {
  margin-top: 1rem;
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.prose-custom ul li {
  position: relative;
  padding-left: 0.5rem;
  margin-bottom: 0.5rem;
  list-style-type: disc;
}

.prose-custom ol li {
  margin-bottom: 0.5rem;
  list-style-type: decimal;
}

.prose-custom blockquote {
  border-left: 4px solid var(--primary);
  padding: 1rem 1.5rem;
  margin: 1.75rem 0;
  font-size: 1.125rem;
  font-style: italic;
  background-color: var(--muted);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.prose-custom img {
  border-radius: var(--radius-2xl);
  margin: 2rem auto;
}

/* Callout Box */
.takeaway-box {
  margin-top: 2.5rem;
  padding: 1.5rem;
  background-color: var(--muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-2xl);
}
.takeaway-label {
  font-size: 0.6875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--primary);
  margin-bottom: 0.5rem;
}

/* Social Share Bar */
.share-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 2.5rem 0;
  padding: 1rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid var(--border);
  background-color: var(--card);
  color: var(--foreground);
  transition: all 0.2s ease;
}
.share-btn:hover {
  background-color: var(--primary);
  border-color: var(--primary);
  color: var(--primary-foreground);
}

/* Author Bio Card */
.author-card {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 1.75rem;
  border-radius: var(--radius-2xl);
  background-color: var(--card);
  border: 1px solid var(--border);
  margin: 3rem 0;
}

@media (min-width: 640px) {
  .author-card {
    flex-direction: row;
    align-items: center;
  }
}

.author-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid var(--accent);
}

/* Adjacent Navigation */
.post-navigation {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 3rem 0;
}
@media (min-width: 640px) {
  .post-navigation {
    grid-template-columns: 1fr 1fr;
  }
}
.nav-card {
  padding: 1.25rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background-color: var(--card);
  transition: transform 0.2s ease, border-color 0.2s;
}
.nav-card:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
}

/* ==========================================================================
   COMMENTS SECTION
   ========================================================================== */
.comments-area {
  margin-top: 3.5rem;
  border-top: 1px solid var(--border);
  padding-top: 2.5rem;
}

.comments-title {
  font-size: 1.5rem;
  margin-bottom: 2rem;
}

.comment-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.comment-body {
  padding: 1.25rem;
  border-radius: var(--radius-xl);
  background-color: var(--card);
  border: 1px solid var(--border);
}

.comment-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.comment-author .avatar {
  border-radius: 50%;
}

.comment-respond {
  padding: 1.75rem;
  border-radius: var(--radius-2xl);
  background-color: var(--card);
  border: 1px solid var(--border);
}

.comment-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  margin-top: auto;
  background-color: var(--card);
  color: var(--foreground);
  border-top: 1px solid var(--border);
  padding-top: clamp(3rem, 6vw, 5rem);
  padding-bottom: 2rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: start;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
}

@media (min-width: 1024px) {
  .footer-top {
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
  }
}

.footer-brand .site-logo-img {
  height: 44px;
  max-width: 250px;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-top: 1.25rem;
  max-width: 26rem;
  line-height: 1.6;
}

.footer-socials {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin-top: 1.5rem;
}

.social-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--foreground);
  transition: all 0.2s ease;
}
.social-circle:hover {
  background-color: var(--primary);
  border-color: var(--primary);
  color: var(--primary-foreground);
  transform: translateY(-2px);
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}
@media (min-width: 768px) {
  .footer-columns {
    grid-template-columns: repeat(4, 1fr);
  }
}

.footer-col-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--foreground);
  margin-bottom: 1rem;
}

.footer-col-list {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer-col-list a {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}
.footer-col-list a:hover {
  color: var(--primary);
}

.footer-newsletter {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
}

@media (min-width: 768px) {
  .footer-newsletter {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 1.5rem;
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

/* ==========================================================================
   WORDPRESS CORE STANDARD CLASSES
   ========================================================================== */
.alignleft { float: left; margin: 0.5rem 1.5rem 1.5rem 0; }
.alignright { float: right; margin: 0.5rem 0 1.5rem 1.5rem; }
.aligncenter { display: block; margin-left: auto; margin-right: auto; }
.wp-caption { max-width: 100%; margin-bottom: 1.5rem; }
.wp-caption-text { font-size: 0.75rem; color: var(--muted-foreground); text-align: center; margin-top: 0.5rem; }
.screen-reader-text {
  border: 0;
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute !important;
  width: 1px;
  word-wrap: normal !important;
}
.screen-reader-text:focus {
  background-color: var(--card);
  clip: auto !important;
  clip-path: none;
  color: var(--foreground);
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  height: auto;
  left: 5px;
  line-height: normal;
  padding: 15px 23px 14px;
  text-decoration: none;
  top: 5px;
  width: auto;
  z-index: 100000;
}

/* ==========================================================================
   AUTOMOTIVE TOOLS & CALCULATORS SUITE
   ========================================================================== */
.tool-filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  margin-bottom: 2.5rem;
}
.tool-filter-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--card, #FFFFFF);
  border: 1.5px solid rgba(141, 110, 63, 0.28);
  border-radius: 9999px;
  padding: 0.6rem 1.35rem;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--muted-foreground, #78716c);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  font-family: inherit;
}
.tool-filter-btn:hover {
  color: var(--foreground, #1c1917);
  border-color: var(--primary, #8D6E3F);
  transform: translateY(-1px);
}
.tool-filter-btn.is-active {
  background: var(--primary, #8D6E3F) !important;
  color: #FFFFFF !important;
  border-color: var(--primary, #8D6E3F) !important;
  box-shadow: 0 4px 14px rgba(141, 110, 63, 0.35);
}

.tool-hub-card {
  display: flex;
  flex-direction: column;
  background: var(--card, #FFFFFF);
  border: 1.5px solid rgba(141, 110, 63, 0.2);
  border-radius: 1.25rem;
  padding: 1.625rem 1.5rem;
  box-shadow: 0 4px 18px -2px rgba(0, 0, 0, 0.05), 0 2px 6px -1px rgba(0, 0, 0, 0.03);
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
  position: relative;
  overflow: hidden;
}
.tool-hub-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary, #8D6E3F);
  box-shadow: 0 14px 28px -4px rgba(141, 110, 63, 0.2);
}
.tool-hub-badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--primary, #8D6E3F);
  background: rgba(141, 110, 63, 0.1);
  padding: 0.3rem 0.65rem;
  border-radius: 9999px;
  border: 1px solid rgba(141, 110, 63, 0.2);
}
.tool-feature-list {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  padding-top: 1rem;
}
.tool-feature-list li {
  font-size: 0.8125rem;
  color: var(--muted-foreground, #78716c);
  display: flex !important;
  flex-direction: row !important;
  align-items: flex-start !important;
  gap: 0.5rem !important;
  line-height: 1.4 !important;
}
.tool-feature-list li svg {
  flex-shrink: 0 !important;
  width: 15px !important;
  height: 15px !important;
  min-width: 15px !important;
  color: var(--primary, #8D6E3F) !important;
  margin-top: 2px !important;
  display: inline-block !important;
}
.tool-feature-list li span {
  display: inline-block !important;
}

/* Tool FAQ Accordion */
.tool-faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}
.tool-faq-item {
  background: var(--card, #FFFFFF);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.tool-faq-item:hover {
  border-color: rgba(141, 110, 63, 0.4);
}
.tool-faq-item.is-open {
  border-color: var(--primary, #8D6E3F);
  box-shadow: 0 4px 16px -2px rgba(141, 110, 63, 0.12);
}
.tool-faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.125rem 1.375rem;
  background: transparent;
  border: none;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  color: var(--foreground);
  text-align: left;
  cursor: pointer;
  outline: none;
  transition: color 0.2s ease;
}
.tool-faq-q:hover {
  color: var(--primary, #8D6E3F);
}
.faq-chevron {
  flex-shrink: 0;
  stroke: var(--primary, #8D6E3F);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.tool-faq-q[aria-expanded="true"] .faq-chevron,
.tool-faq-item.is-open .faq-chevron {
  transform: rotate(180deg);
}
.tool-faq-a {
  padding: 0 1.375rem 1.25rem;
  color: var(--muted-foreground);
  font-size: 0.9375rem;
  line-height: 1.7;
}
.tool-faq-a[hidden] {
  display: none;
}