@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&family=Fira+Code:wght@400;500&display=swap');

/* Reset & Base Variables */
:root {
  /* HSL Color System - Dark Theme (Default) */
  --bg-color: hsl(225, 25%, 8%);
  --bg-surface: hsl(225, 20%, 13%);
  --bg-surface-hover: hsl(225, 20%, 17%);
  --bg-surface-glass: rgba(26, 32, 48, 0.7);
  --text-color: hsl(210, 20%, 94%);
  --text-muted: hsl(210, 12%, 70%);
  
  --primary: hsl(260, 85%, 65%);
  --primary-hover: hsl(260, 85%, 72%);
  --secondary: hsl(190, 90%, 50%);
  --secondary-hover: hsl(190, 90%, 60%);
  --accent: hsl(145, 90%, 50%);
  --accent-hover: hsl(145, 90%, 60%);
  --danger: hsl(350, 80%, 60%);
  
  --gradient-accent: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  --gradient-card: linear-gradient(135deg, var(--bg-surface) 0%, hsl(225, 18%, 18%) 100%);
  --glow-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
  --border-glass: 1px solid rgba(255, 255, 255, 0.08);
  
  --border-radius: 16px;
  --border-radius-sm: 8px;
  --transition-speed: 0.25s;
  
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-headings: 'Outfit', var(--font-family);
  --font-mono: 'Fira Code', Menlo, Monaco, Consolas, "Courier New", monospace;
}

[data-theme="light"] {
  /* HSL Color System - Light Theme */
  --bg-color: hsl(225, 20%, 97%);
  --bg-surface: hsl(225, 15%, 92%);
  --bg-surface-hover: hsl(225, 15%, 87%);
  --bg-surface-glass: rgba(244, 245, 249, 0.85);
  --text-color: hsl(225, 35%, 12%);
  --text-muted: hsl(225, 15%, 45%);
  
  --primary: hsl(260, 75%, 55%);
  --primary-hover: hsl(260, 75%, 48%);
  --secondary: hsl(195, 80%, 45%);
  --secondary-hover: hsl(195, 80%, 38%);
  --accent: hsl(150, 75%, 40%);
  --accent-hover: hsl(150, 75%, 33%);
  --danger: hsl(350, 75%, 50%);
  
  --gradient-accent: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  --gradient-card: linear-gradient(135deg, var(--bg-surface) 0%, hsl(225, 10%, 88%) 100%);
  --glow-shadow: 0 8px 24px 0 rgba(0, 0, 0, 0.08);
  --border-glass: 1px solid rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.625;
  transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headings);
  font-weight: 700;
  line-height: 1.25;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

h1 { font-size: 2.5rem; letter-spacing: -0.02em; }
h2 { font-size: 1.85rem; letter-spacing: -0.01em; border-bottom: 1px solid var(--border-glass); padding-bottom: 0.5rem; }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.15rem; }

a {
  color: var(--secondary);
  text-decoration: none;
  transition: color var(--transition-speed) ease, opacity var(--transition-speed) ease;
  font-weight: 500;
}

a:hover {
  color: var(--secondary-hover);
  opacity: 0.95;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

/* Header & Glassmorphism Nav */
header {
  background-color: var(--bg-surface-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: var(--border-glass);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 72px;
}

.logo {
  font-family: var(--font-headings);
  font-size: 1.6rem;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  letter-spacing: -0.03em;
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-links li a {
  color: var(--text-color);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

.nav-links li a:hover,
.nav-links li a.active {
  background-color: var(--bg-surface-hover);
  color: var(--secondary);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 1.75rem;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

/* Theme Toggle */
.theme-toggle {
  background: none;
  border: none;
  font-size: 1.3rem;
  cursor: pointer;
  color: var(--text-color);
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: transform 0.4s ease;
}

.theme-toggle:hover {
  transform: rotate(30deg);
  background-color: var(--bg-surface-hover);
}

/* Search Box in Nav */
.search-form {
  display: flex;
  align-items: center;
  background-color: var(--bg-surface);
  border: var(--border-glass);
  border-radius: var(--border-radius-sm);
  padding: 2px 4px;
  margin-left: 0.5rem;
}

.search-form input[type="text"] {
  border: none;
  background: transparent;
  color: var(--text-color);
  padding: 0.4rem 0.6rem;
  font-size: 0.9rem;
  font-family: var(--font-family);
  width: 140px;
  transition: width 0.3s ease;
}

.search-form input[type="text"]:focus {
  outline: none;
  width: 200px;
}

.search-form button {
  background: var(--gradient-accent);
  color: #fff;
  border: none;
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 6px;
  cursor: pointer;
  transition: opacity var(--transition-speed) ease;
  min-height: 36px;
}

.search-form button:hover {
  opacity: 0.9;
}

/* Disclaimer Banner */
.disclaimer-banner {
  background-color: hsla(45, 100%, 50%, 0.1);
  color: hsl(45, 100%, 45%);
  border-bottom: 1px solid hsla(45, 100%, 50%, 0.2);
  text-align: center;
  padding: 0.75rem 1.5rem;
  font-size: 0.85rem;
  font-weight: 500;
}

[data-theme="dark"] .disclaimer-banner {
  background-color: hsla(45, 100%, 20%, 0.15);
  color: hsl(45, 100%, 60%);
  border-bottom: 1px solid hsla(45, 100%, 50%, 0.15);
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 4rem 1.5rem 3rem;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.15;
}

.hero h1 span {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero .subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-top: 1rem;
}

/* EEAT Badge */
.eeat-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: hsla(145, 90%, 50%, 0.1);
  color: var(--accent);
  padding: 0.35rem 0.9rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  border: 1px solid hsla(145, 90%, 50%, 0.25);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Breadcrumbs */
.breadcrumbs {
  margin-bottom: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.breadcrumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.breadcrumbs li {
  display: inline-flex;
  align-items: center;
}

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

.breadcrumbs a:hover {
  color: var(--secondary);
}

/* Grid Layouts */
.grid, .carrier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
  margin: 2.5rem 0;
}

/* Cards & Premium Styling */
.card {
  background: var(--gradient-card);
  border: var(--border-glass);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--glow-shadow);
  transition: transform var(--transition-speed) cubic-bezier(0.16, 1, 0.3, 1), 
              border-color var(--transition-speed) ease,
              box-shadow var(--transition-speed) ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity var(--transition-speed) ease;
}

.card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.5);
}

[data-theme="light"] .card:hover {
  border-color: rgba(0, 0, 0, 0.15);
  box-shadow: 0 12px 32px 0 rgba(0, 0, 0, 0.12);
}

.card:hover::before {
  opacity: 1;
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-color);
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Carrier Cards */
.carrier-card {
  display: flex;
  flex-direction: column;
}

.carrier-card h3 {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* Interactive Assist Widget Styling */
.assistant-widget {
  background: var(--gradient-card);
  border: var(--border-glass);
  border-radius: var(--border-radius);
  padding: 2.5rem;
  box-shadow: var(--glow-shadow);
  max-width: 750px;
  margin: 3rem auto;
  position: relative;
  overflow: hidden;
}

.assistant-widget::after {
  content: '';
  position: absolute;
  width: 150px;
  height: 150px;
  background: var(--primary);
  opacity: 0.15;
  filter: blur(60px);
  top: -50px;
  right: -50px;
  border-radius: 50%;
  pointer-events: none;
}

.assistant-widget h2 {
  text-align: center;
  margin-top: 0;
  margin-bottom: 0.5rem;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.assistant-widget p.intro {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.assistant-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 600px) {
  .assistant-form-grid {
    grid-template-columns: 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-family: var(--font-headings);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-color);
  letter-spacing: 0.03em;
}

.form-group select {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-color);
  border: var(--border-glass);
  border-radius: var(--border-radius-sm);
  padding: 0.75rem 1rem;
  font-size: 1rem;
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
  min-height: 48px;
}

.form-group select:focus {
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(0, 255, 255, 0.15);
}

.assistant-action {
  text-align: center;
  margin-top: 2rem;
}

.assistant-result {
  margin-top: 2rem;
  padding: 1.5rem;
  border-radius: var(--border-radius-sm);
  background-color: rgba(255,255,255,0.03);
  border-left: 4px solid var(--secondary);
  display: none;
}

[data-theme="light"] .assistant-result {
  background-color: rgba(0,0,0,0.02);
}

.assistant-result.active {
  display: block;
  animation: slideDown 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.assistant-result h4 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  color: var(--secondary);
  font-size: 1.15rem;
}

.assistant-result ol, .assistant-result ul {
  padding-left: 1.25rem;
  margin-bottom: 1rem;
}

.assistant-result li {
  margin-bottom: 0.5rem;
}

.assistant-result .result-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
  font-weight: 700;
  color: var(--accent);
}

.assistant-result .result-link:hover {
  color: var(--accent-hover);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-accent);
  color: #fff;
  padding: 0.75rem 1.75rem;
  border-radius: var(--border-radius-sm);
  font-family: var(--font-headings);
  font-weight: 700;
  text-align: center;
  border: none;
  cursor: pointer;
  transition: transform var(--transition-speed) ease, opacity var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
  min-width: 44px;
  min-height: 44px;
  box-shadow: 0 4px 14px rgba(138, 43, 226, 0.3);
}

.btn:hover {
  opacity: 0.95;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(138, 43, 226, 0.4);
}

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

.btn-secondary {
  background: var(--bg-surface-hover);
  border: var(--border-glass);
  color: var(--text-color);
  box-shadow: none;
}

.btn-secondary:hover {
  background: var(--bg-surface);
  box-shadow: none;
  transform: translateY(-2px);
}

/* Articles and Content Layouts */
.article-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-top: 2rem;
}

@media (min-width: 1024px) {
  .article-layout {
    grid-template-columns: 3fr 1fr;
  }
}

article {
  background: var(--gradient-card);
  border: var(--border-glass);
  padding: 2.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--glow-shadow);
}

article section {
  margin-bottom: 2.5rem;
}

article p {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
}

article ul, article ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
  color: var(--text-muted);
  font-size: 1.05rem;
}

article li {
  margin-bottom: 0.5rem;
}

/* Two Column Sidebars */
.ad-sticky-sidebar {
  position: sticky;
  top: 96px;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* AdSense Armor Layouts - CLS Cushioning */
.ad-top-banner {
  min-height: 90px;
  background-color: var(--bg-surface);
  border: var(--border-glass);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  margin: 1.5rem auto;
  max-width: 970px;
  overflow: hidden;
  position: relative;
}

.ad-top-banner small {
  position: absolute;
  top: 4px;
  left: 6px;
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ad-mid-article {
  min-height: 250px;
  background-color: var(--bg-surface);
  border: var(--border-glass);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  margin: 2rem 0;
  overflow: hidden;
  position: relative;
}

.ad-mid-article small {
  position: absolute;
  top: 4px;
  left: 6px;
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.ad-sticky-sidebar-container {
  min-height: 600px;
  background-color: var(--bg-surface);
  border: var(--border-glass);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 1rem;
  width: 100%;
  position: relative;
}

.ad-sticky-sidebar-container small {
  position: absolute;
  top: 4px;
  left: 6px;
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* Table Design */
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 2rem 0;
  background-color: var(--bg-surface);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  border: var(--border-glass);
}

th, td {
  padding: 1rem 1.25rem;
  text-align: left;
}

th {
  background-color: rgba(138, 43, 226, 0.1);
  color: var(--secondary);
  font-family: var(--font-headings);
  font-weight: 700;
  border-bottom: 2px solid rgba(138, 43, 226, 0.2);
}

td {
  border-bottom: var(--border-glass);
  color: var(--text-muted);
  font-size: 0.95rem;
}

tr:last-child td {
  border-bottom: none;
}

/* Code Blocks */
pre {
  background-color: var(--bg-surface);
  padding: 1.25rem;
  border-radius: var(--border-radius-sm);
  overflow-x: auto;
  font-family: var(--font-mono);
  border-left: 4px solid var(--secondary);
  margin: 1.5rem 0;
  position: relative;
}

code {
  font-family: var(--font-mono);
  background-color: rgba(0, 255, 255, 0.1);
  padding: 0.2em 0.4em;
  border-radius: 4px;
  color: var(--secondary);
  font-size: 0.9em;
}

pre code {
  background-color: transparent;
  padding: 0;
  color: var(--text-color);
  font-size: 0.875rem;
}

.copy-btn {
  background: var(--bg-surface-hover);
  color: var(--text-color);
  border: var(--border-glass);
  border-radius: var(--border-radius-sm);
  padding: 0.35rem 0.75rem;
  font-size: 0.75rem;
  font-family: var(--font-headings);
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  position: absolute;
  top: 8px;
  right: 8px;
  min-height: 32px;
  min-width: 44px;
}

.copy-btn:hover {
  background: var(--secondary);
  color: #fff;
  border-color: transparent;
}

/* Premium Digital Product PDF module */
.store-module {
  background: linear-gradient(135deg, rgba(138, 43, 226, 0.15) 0%, rgba(0, 255, 255, 0.1) 100%);
  border: 1px solid rgba(138, 43, 226, 0.25);
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  margin: 3rem 0;
}

.store-module h3 {
  margin-top: 0;
  color: var(--text-color);
  font-size: 1.4rem;
}

.store-module p {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* Device Compatibility Matrix */
.compatibility-matrix {
  margin: 2.5rem 0;
  background-color: var(--bg-surface);
  border-radius: var(--border-radius-sm);
  border: var(--border-glass);
  overflow: hidden;
}

.matrix-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  padding: 1.25rem 1.5rem;
  background-color: rgba(255,255,255,0.02);
  transition: background-color var(--transition-speed) ease;
}

.matrix-header:hover {
  background-color: rgba(255,255,255,0.05);
}

.matrix-header h3 {
  margin: 0;
  font-size: 1.15rem;
}

.matrix-content {
  display: none;
  padding: 0 1.5rem 1.5rem;
}

.matrix-content.active {
  display: block;
}

/* Tech Level Quiz */
.tech-quiz-container {
  background-color: var(--bg-surface);
  padding: 2rem;
  border-radius: var(--border-radius);
  margin: 2.5rem 0;
  border: var(--border-glass);
}

.tech-quiz-container h2 {
  margin-top: 0;
}

.quiz-option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0.75rem 0;
  padding: 1rem;
  background: rgba(0,0,0,0.15);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: background-color var(--transition-speed) ease;
}

[data-theme="light"] .quiz-option {
  background: rgba(0,0,0,0.03);
}

.quiz-option:hover {
  background: rgba(255,255,255,0.03);
}

[data-theme="light"] .quiz-option:hover {
  background: rgba(0,0,0,0.05);
}

.quiz-option input[type="radio"] {
  accent-color: var(--secondary);
  width: 18px;
  height: 18px;
  cursor: pointer;
}

/* Author Bio block */
.author-bio {
  margin-top: 3rem;
  padding: 2rem;
  background: var(--bg-surface);
  border: var(--border-glass);
  border-radius: var(--border-radius);
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.author-bio img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--secondary);
  flex-shrink: 0;
}

.author-bio h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  color: var(--text-color);
}

.author-bio p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0;
}

@media (max-width: 600px) {
  .author-bio {
    flex-direction: column;
    text-align: center;
  }
}

/* Footer Section */
footer {
  background-color: var(--bg-surface-glass);
  border-top: var(--border-glass);
  padding: 4rem 1.5rem 2rem;
  margin-top: 6rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
}

.footer-section h4 {
  color: var(--secondary);
  margin-top: 0;
  margin-bottom: 1rem;
}

.footer-section p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: 0.75rem;
}

.footer-section a {
  color: var(--text-muted);
  font-weight: 500;
}

.footer-section a:hover {
  color: var(--secondary);
}

.footer-compliance {
  text-align: center;
  padding: 1.5rem 0 1rem;
  border-top: var(--border-glass);
  margin-top: 3rem;
  font-size: 0.9rem;
}

.footer-compliance a {
  color: var(--text-muted);
  margin: 0 0.5rem;
}

.footer-compliance a:hover {
  color: var(--secondary);
}

.footer-bottom {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* Search results listing */
.search-results-container {
  margin-top: 2rem;
}

.search-result-item {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: var(--border-glass);
}

.search-result-item:last-child {
  border-bottom: none;
}

.search-result-item h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.25rem;
}

.search-result-item p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.search-result-meta {
  font-size: 0.8rem;
  color: var(--secondary);
  font-weight: 600;
}

/* AI Summary Block */
.ai-summary {
  background-color: rgba(138, 43, 226, 0.08);
  border-left: 4px solid var(--primary);
  padding: 1.25rem 1.5rem;
  border-radius: var(--border-radius-sm);
  color: var(--text-muted);
  font-size: 1rem;
  margin: 1.5rem 0 2rem;
}

/* Responsive Overrides */
@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background-color: var(--bg-surface);
    padding: 1.5rem;
    border-bottom: var(--border-glass);
    gap: 0.5rem;
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
  }

  .nav-links.active {
    display: flex;
  }
  
  .nav-links li {
    width: 100%;
  }
  
  .nav-links li a {
    width: 100%;
    justify-content: flex-start;
    padding: 0.75rem 1rem;
  }

  .search-form {
    margin-left: 0;
    margin-top: 0.5rem;
    width: 100%;
  }

  .search-form input[type="text"] {
    width: 100% !important;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
}

/* Phase 2: Interactive Widgets & Tools */

/* eSIM rates finder widget */
.esim-selector-group {
  margin: 1.5rem 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
}

.esim-selector-group label {
  font-family: var(--font-headings);
  font-weight: 700;
  font-size: 1.1rem;
}

.esim-selector-group select {
  font-family: var(--font-family);
  background-color: var(--bg-surface);
  color: var(--text-color);
  border: var(--border-glass);
  border-radius: var(--border-radius-sm);
  padding: 0.5rem 1rem;
  font-size: 1rem;
  min-height: 44px;
  cursor: pointer;
  outline: none;
  transition: border-color var(--transition-speed);
}

.esim-selector-group select:focus {
  border-color: var(--secondary);
}

.esim-plans-display {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--transition-speed) ease, transform var(--transition-speed) ease;
}

.esim-plans-display.active {
  opacity: 1;
  transform: translateY(0);
}

.esim-plan-card {
  background: var(--gradient-card);
  border: var(--border-glass);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--glow-shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 250px;
}

.esim-plan-card .data-amount {
  font-family: var(--font-headings);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--secondary);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.esim-plan-card .plan-duration {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.esim-plan-card .plan-price {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-color);
  margin-bottom: 1.25rem;
}

.esim-plan-card .plan-provider {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 1rem;
}

/* Carrier Band Compatibility Checker Styles */
.compatibility-widget {
  background: var(--gradient-card);
  border: var(--border-glass);
  border-radius: var(--border-radius);
  padding: 2.5rem;
  box-shadow: var(--glow-shadow);
  margin: 3rem auto;
  max-width: 750px;
}

.compatibility-result-card {
  margin-top: 2rem;
  border-radius: var(--border-radius);
  padding: 1.5rem;
  border: var(--border-glass);
  background: rgba(255,255,255,0.02);
  display: none;
}

.compatibility-result-card.active {
  display: block;
  animation: slideDown 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.compat-status-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: var(--border-glass);
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}

.compat-status-badge {
  font-family: var(--font-headings);
  font-weight: 800;
  font-size: 0.9rem;
  padding: 0.4rem 1rem;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 1px solid transparent;
}

.compat-status-badge.fully {
  background-color: hsla(145, 90%, 50%, 0.15);
  color: var(--accent);
  border-color: hsla(145, 90%, 50%, 0.3);
}

.compat-status-badge.partial {
  background-color: hsla(45, 100%, 50%, 0.15);
  color: hsl(45, 100%, 50%);
  border-color: hsla(45, 100%, 50%, 0.3);
}

.compat-status-badge.incompat {
  background-color: hsla(350, 80%, 50%, 0.15);
  color: var(--danger);
  border-color: hsla(350, 80%, 50%, 0.3);
}

.band-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.band-card {
  background: rgba(0,0,0,0.15);
  border: var(--border-glass);
  border-radius: var(--border-radius-sm);
  padding: 0.75rem 1rem;
}

.band-card h5 {
  margin-top: 0;
  margin-bottom: 0.25rem;
  color: var(--secondary);
}

.band-card p {
  margin: 0;
  font-size: 0.85rem;
  word-break: break-all;
}

/* Recovery Wizard Styles */
.wizard-container {
  background: var(--gradient-card);
  border: var(--border-glass);
  border-radius: var(--border-radius);
  padding: 2.5rem;
  box-shadow: var(--glow-shadow);
  max-width: 700px;
  margin: 3rem auto;
}

.wizard-progress {
  display: flex;
  justify-content: space-between;
  margin-bottom: 2rem;
  position: relative;
}

.wizard-progress::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--bg-surface);
  z-index: 1;
  transform: translateY(-50%);
}

.wizard-progress-bar {
  position: absolute;
  top: 50%;
  left: 0;
  height: 2px;
  background: var(--gradient-accent);
  z-index: 2;
  transform: translateY(-50%);
  transition: width 0.3s ease;
  width: 0%;
}

.wizard-progress-step {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--bg-surface);
  border: var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  z-index: 3;
  transition: all 0.3s ease;
}

.wizard-progress-step.active {
  background: var(--gradient-accent);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 0 10px rgba(138, 43, 226, 0.4);
}

.wizard-progress-step.completed {
  background: var(--accent);
  color: var(--bg-color);
  border-color: transparent;
}

.wizard-step {
  display: none;
}

.wizard-step.active {
  display: block;
  animation: fadeIn 0.4s ease forwards;
}

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

.wizard-step h3 {
  margin-top: 0;
  margin-bottom: 1rem;
}

.wizard-options {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 1.5rem 0;
}

.wizard-option-btn {
  background-color: var(--bg-surface);
  border: var(--border-glass);
  color: var(--text-color);
  border-radius: var(--border-radius-sm);
  padding: 1rem 1.5rem;
  font-size: 1rem;
  font-family: var(--font-family);
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-speed) ease;
  min-height: 48px;
}

.wizard-option-btn:hover {
  background-color: var(--bg-surface-hover);
  border-color: var(--secondary);
  transform: translateX(4px);
}

.wizard-navigation-buttons {
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
  border-top: var(--border-glass);
  padding-top: 1.5rem;
}

.wizard-result-box {
  background: rgba(255,255,255,0.03);
  border-left: 4px solid var(--accent);
  border-radius: var(--border-radius-sm);
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.wizard-result-box h4 {
  color: var(--accent);
  margin-top: 0;
  margin-bottom: 0.5rem;
}