/* ============================================================================
   OmniTool Global Stylesheet & Design Tokens
   Author: Lead Software Architect
   Description: Premium, glassmorphic, performance-tuned CSS.
   ============================================================================ */

/* --- Custom Variables & Tokens --- */
:root {
  /* Fonts */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing Scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;

  /* Colors - Light Theme */
  --bg-color: #f8fafc;
  --fg-color: #0f172a;
  --card-bg: rgba(255, 255, 255, 0.85);
  --card-border: rgba(226, 232, 240, 0.8);
  --primary-color: #4f46e5;
  --primary-hover: #4338ca;
  --primary-glow: rgba(79, 70, 229, 0.15);
  
  --meta-client-bg: rgba(16, 185, 129, 0.1);
  --meta-client-text: #047857;
  --meta-time-bg: rgba(79, 70, 229, 0.1);
  --meta-time-text: #4f46e5;

  --muted-text: #64748b;
  --muted-bg: #f1f5f9;
  --header-bg: rgba(248, 250, 252, 0.8);
  --input-bg: #ffffff;
  --input-border: #cbd5e1;
  --accordion-bg: #ffffff;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.1);
  
  /* Layout constraints */
  --container-width: 1200px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 350ms cubic-bezier(0.16, 1, 0.3, 1);
  
  /* Radial Hover Tracker Glow (will be updated dynamically via JS) */
  --mouse-x: 50%;
  --mouse-y: 50%;
}

[data-theme="dark"] {
  /* Colors - Dark Theme */
  --bg-color: #090d16;
  --fg-color: #f8fafc;
  --card-bg: rgba(17, 24, 39, 0.7);
  --card-border: rgba(31, 41, 55, 0.6);
  --primary-color: #6366f1;
  --primary-hover: #818cf8;
  --primary-glow: rgba(99, 102, 241, 0.25);
  
  --meta-client-bg: rgba(52, 211, 153, 0.15);
  --meta-client-text: #34d399;
  --meta-time-bg: rgba(129, 140, 248, 0.15);
  --meta-time-text: #818cf8;

  --muted-text: #9ca3af;
  --muted-bg: #111827;
  --header-bg: rgba(9, 13, 22, 0.8);
  --input-bg: #111827;
  --input-border: #374151;
  --accordion-bg: #111827;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 35px rgba(99, 102, 241, 0.15);
}

/* --- Global Resets & Structural Layout --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-color);
  color: var(--fg-color);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  width: 100%;
}

.hidden {
  display: none !important;
}

/* --- Mesh Glow Layer --- */
.radial-glow-layer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: -1;
  opacity: 0.8;
  background: radial-gradient(
    circle at var(--mouse-x) var(--mouse-y),
    var(--primary-glow) 0%,
    transparent 50%
  );
  transition: opacity 1s ease;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.25;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

/* --- Header & Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.header-container {
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  color: var(--fg-color);
}

.logo-icon {
  width: 28px;
  height: 28px;
  color: var(--primary-color);
  transition: transform var(--transition-normal);
}

.logo:hover .logo-icon {
  transform: rotate(15deg) scale(1.05);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--muted-text);
  padding: var(--space-xs) 0;
}

.nav-link:hover {
  color: var(--fg-color);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.icon-btn {
  background: none;
  border: 1px solid var(--card-border);
  color: var(--fg-color);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  background-color: var(--card-bg);
}

.icon-btn:hover {
  background-color: var(--muted-bg);
  border-color: var(--primary-color);
  transform: translateY(-1px);
}

.icon-btn:active {
  transform: translateY(0);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.65rem 1.35rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  outline: none;
}

.btn-primary {
  background-color: var(--primary-color);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1.5px);
  box-shadow: 0 8px 20px -6px var(--primary-glow);
}

.btn-secondary {
  background-color: var(--muted-bg);
  color: var(--fg-color);
  border-color: var(--card-border);
}

.btn-secondary:hover {
  background-color: var(--card-border);
  transform: translateY(-1.5px);
}

/* --- Hero Section --- */
.hero-section {
  padding-top: 160px;
  padding-bottom: 90px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.badge-accent {
  background-color: var(--primary-glow);
  color: var(--primary-color);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
  border: 1px solid var(--primary-color);
}

.hero-title {
  font-size: 3.25rem;
  line-height: 1.15;
  margin-bottom: var(--space-md);
  max-width: 800px;
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary-color) 30%, #06b6d4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--muted-text);
  max-width: 600px;
  margin-bottom: var(--space-xl);
}

/* --- Hero Search --- */
.hero-search-wrapper {
  position: relative;
  width: 100%;
  max-width: 580px;
  z-index: 10;
}

.search-input-box {
  display: flex;
  align-items: center;
  background-color: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-lg);
  padding: 0 1.25rem;
  height: 60px;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
}

.search-input-box:focus-within {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px var(--primary-glow);
  transform: translateY(-2px);
}

.search-box-icon {
  color: var(--muted-text);
  margin-right: var(--space-md);
}

.search-input-box input {
  background: none;
  border: none;
  outline: none;
  font-size: 1.05rem;
  color: var(--fg-color);
  width: 100%;
  height: 100%;
  font-family: var(--font-sans);
}

.search-kbd {
  background-color: var(--muted-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 0.15rem 0.45rem;
  font-size: 0.75rem;
  color: var(--muted-text);
  white-space: nowrap;
}

/* --- Search Results Dropdown --- */
.search-results-dropdown {
  position: absolute;
  top: 70px;
  left: 0;
  width: 100%;
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  max-height: 380px;
  overflow-y: auto;
  text-align: left;
}

.search-result-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 0.95rem var(--space-lg);
  border-bottom: 1px solid var(--card-border);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.search-result-item:hover {
  background-color: var(--muted-bg);
}

.result-icon {
  width: 20px;
  height: 20px;
  color: var(--primary-color);
}

.result-details {
  display: flex;
  flex-direction: column;
}

.result-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.result-cat {
  font-size: 0.75rem;
  color: var(--muted-text);
}

/* --- Section Layouts --- */
.section {
  padding: var(--space-2xl) 0;
}

.bg-muted {
  background-color: var(--muted-bg);
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
}

.section-center-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-title {
  font-size: 2.15rem;
  margin-bottom: var(--space-sm);
}

.section-desc {
  font-size: 1.05rem;
  color: var(--muted-text);
  max-width: 600px;
}

.section-center-header .section-desc {
  margin: 0 auto;
}

/* --- Grids --- */
.grid {
  display: grid;
  gap: var(--space-lg);
}

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

.items-center {
  align-items: center;
}

/* --- Glow Cards (SaaS Tool Cards) --- */
.glow-card {
  position: relative;
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  cursor: pointer;
  overflow: hidden;
}

.glow-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.tool-icon-wrapper {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.tool-icon {
  width: 24px;
  height: 24px;
}

/* Custom accents for icons */
.img-accent { background-color: rgba(244, 63, 94, 0.1); color: #f43f5e; }
.pdf-accent { background-color: rgba(59, 130, 246, 0.1); color: #3b82f6; }
.dev-accent { background-color: rgba(147, 51, 234, 0.1); color: #9333ea; }
.seo-accent { background-color: rgba(6, 182, 212, 0.1); color: #06b6d4; }
.calc-accent { background-color: rgba(245, 158, 11, 0.1); color: #f59e0b; }

.tool-card-title {
  font-size: 1.15rem;
  margin-bottom: var(--space-sm);
}

.tool-card-desc {
  font-size: 0.9rem;
  color: var(--muted-text);
  margin-bottom: var(--space-lg);
  min-height: 54px;
}

.tool-card-meta {
  display: flex;
  gap: var(--space-sm);
}

.meta-tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
}

.tag-client { background-color: var(--meta-client-bg); color: var(--meta-client-text); }
.tag-time { background-color: var(--meta-time-bg); color: var(--meta-time-text); }

/* --- Categories Grid --- */
.category-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-normal);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.category-card:hover {
  transform: scale(1.02);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-lg);
}

.cat-icon-container {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.bg-pink { background-color: rgba(244, 63, 94, 0.1); color: #f43f5e; }
.bg-purple { background-color: rgba(147, 51, 234, 0.1); color: #9333ea; }
.bg-blue { background-color: rgba(59, 130, 246, 0.1); color: #3b82f6; }
.bg-teal { background-color: rgba(20, 184, 166, 0.1); color: #14b8a6; }

.category-title {
  font-size: 1.05rem;
  margin-bottom: var(--space-xs);
}

.category-desc {
  font-size: 0.85rem;
  color: var(--muted-text);
  margin-bottom: var(--space-md);
  flex-grow: 1;
}

.category-count {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary-color);
}

/* --- Features Layout --- */
.features-tag {
  color: var(--primary-color);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
  display: block;
}

.features-list {
  list-style: none;
  margin-top: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.features-list li {
  display: flex;
  gap: var(--space-md);
}

.feature-bullet {
  margin-top: 2px;
}

.green-text {
  color: #10b981;
}

.features-visual {
  display: flex;
  justify-content: center;
}

.visual-box {
  background-color: #0f172a;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 460px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.visual-header {
  background-color: #1e293b;
  padding: 0.75rem var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
}

.dot.red { background-color: #ef4444; }
.dot.yellow { background-color: #f59e0b; }
.dot.green { background-color: #10b981; }

.visual-title {
  color: #94a3b8;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  margin-left: var(--space-sm);
}

.visual-body {
  padding: var(--space-lg);
  color: #cbd5e1;
  font-size: 0.85rem;
}

.comment { color: #64748b; }
.keyword { color: #f472b6; }
.string { color: #34d399; }
.success-text { color: #34d399; font-weight: 600; display: block; margin-top: var(--space-md); }

/* --- Testimonials --- */
.testimonial-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
}

.rating-stars {
  color: #f59e0b;
  font-size: 0.95rem;
  margin-bottom: var(--space-md);
}

.testimonial-text {
  font-style: italic;
  font-size: 0.95rem;
  color: var(--fg-color);
  margin-bottom: var(--space-lg);
  flex-grow: 1;
}

.testimonial-user {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #ffffff;
  font-size: 0.85rem;
}

.user-name {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
}

.user-title {
  display: block;
  font-size: 0.75rem;
  color: var(--muted-text);
}

/* --- Articles --- */
.article-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.article-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-color);
}

.article-thumb {
  height: 180px;
  width: 100%;
}

.bg-gradient-purple { background: linear-gradient(135deg, #a855f7, #6366f1); }
.bg-gradient-blue { background: linear-gradient(135deg, #3b82f6, #06b6d4); }
.bg-gradient-teal { background: linear-gradient(135deg, #0d9488, #10b981); }

.article-content {
  padding: var(--space-lg);
}

.article-meta {
  font-size: 0.75rem;
  color: var(--muted-text);
  display: block;
  margin-bottom: var(--space-sm);
}

.article-title {
  font-size: 1.15rem;
  margin-bottom: var(--space-sm);
}

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

.article-desc {
  font-size: 0.85rem;
  color: var(--muted-text);
}

/* --- FAQs (Accordions) --- */
.faq-container {
  max-width: 800px;
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.faq-item {
  background-color: var(--accordion-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-trigger {
  width: 100%;
  padding: var(--space-lg);
  background: none;
  border: none;
  outline: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  color: var(--fg-color);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  text-align: left;
}

.faq-chevron {
  color: var(--muted-text);
  transition: transform var(--transition-normal);
}

.faq-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal) ease-out;
}

.faq-content {
  padding: 0 var(--space-lg) var(--space-lg) var(--space-lg);
  color: var(--muted-text);
  font-size: 0.95rem;
}

.faq-item.active {
  border-color: var(--primary-color);
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
  color: var(--primary-color);
}

/* --- Search Modal Overlay --- */
.search-modal {
  position: fixed;
  top: 10%;
  left: 50%;
  transform: translate(-50%, -10%) scale(0.95);
  width: 90%;
  max-width: 640px;
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  z-index: 1000;
  box-shadow: 0 25px 50px -12px rgba(0,0,0,0.5);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-normal);
}

.search-modal.active {
  transform: translate(-50%, 0) scale(1);
  opacity: 1;
  pointer-events: auto;
}

.search-modal-content {
  display: flex;
  flex-direction: column;
}

.search-modal-header {
  display: flex;
  align-items: center;
  padding: var(--space-lg);
  border-bottom: 1px solid var(--card-border);
  gap: var(--space-md);
  color: var(--muted-text);
}

.search-modal-header input {
  background: none;
  border: none;
  outline: none;
  color: var(--fg-color);
  font-size: 1.15rem;
  width: 100%;
}

.search-modal-body {
  padding: var(--space-lg);
  max-height: 400px;
  overflow-y: auto;
}

.search-section-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--muted-text);
  margin-bottom: var(--space-md);
  letter-spacing: 0.05em;
}

.modal-results-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(9, 13, 22, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

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

/* --- Mobile Drawer --- */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -280px;
  width: 280px;
  height: 100vh;
  background-color: var(--card-bg);
  border-left: 1px solid var(--card-border);
  z-index: 1001;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  padding: var(--space-lg);
  transition: right var(--transition-normal);
}

.mobile-drawer.active {
  right: 0;
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
}

.mobile-drawer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.drawer-link {
  font-weight: 600;
  font-size: 1.1rem;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--card-border);
}

.drawer-link:hover {
  color: var(--primary-color);
}

.drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(9, 13, 22, 0.4);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.drawer-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* --- Footer --- */
.footer {
  background-color: var(--muted-bg);
  border-top: 1px solid var(--card-border);
  padding: var(--space-2xl) 0 var(--space-lg) 0;
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 320px;
}

.footer-desc {
  color: var(--muted-text);
  font-size: 0.85rem;
}

.social-icons {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-sm);
  color: var(--muted-text);
}

.social-icons a:hover {
  color: var(--primary-color);
}

.footer-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-lg);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-links a {
  color: var(--muted-text);
}

.footer-links a:hover {
  color: var(--fg-color);
}

.footer-bottom {
  border-top: 1px solid var(--card-border);
  padding-top: var(--space-lg);
  text-align: center;
  color: var(--muted-text);
  font-size: 0.8rem;
}

/* --- Keyframe Animations --- */
@keyframes pulseGlow {
  0% { transform: scale(1); opacity: 0.95; }
  50% { transform: scale(1.01); opacity: 1; }
  100% { transform: scale(1); opacity: 0.95; }
}

.animate-pulse {
  animation: pulseGlow 4s infinite ease-in-out;
}

.animate-fade-in {
  animation: fadeIn 0.6s var(--ease-out-expo) forwards;
}

.animate-slide-up {
  animation: slideUp 0.8s var(--ease-out-expo) forwards;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* --- Responsive Configurations --- */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.75rem;
  }
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .mobile-only {
    display: flex;
  }
  .grid-3 {
    grid-template-columns: 1fr;
  }
  .grid-2 {
    grid-template-columns: 1fr;
  }
  .hero-section {
    padding-top: 120px;
    padding-bottom: 60px;
  }
  .hero-title {
    font-size: 2.25rem;
  }
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }
}

@media (min-width: 769px) {
  .mobile-only {
    display: none;
  }
}

@media (max-width: 480px) {
  .grid-4 {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .search-kbd {
    display: none;
  }
}

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

.category-tab-btn.active {
  background-color: var(--primary-color) !important;
  color: #ffffff !important;
  border-color: var(--primary-color) !important;
  box-shadow: 0 0 12px var(--primary-glow);
}