/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
  --text: #efdffc;
  --background: #150320;
  --primary: #c07af1;
  --secondary: #9a3011;
  --accent: #e7ac20;

  /* Additional utility colors */
  --text-muted: rgba(239, 223, 252, 0.7);
  --surface: rgba(192, 122, 241, 0.08);
  --border: rgba(192, 122, 241, 0.2);
  --success: #2ecc71;
  --warning: #e74c3c;

  /* Typography */
  --font-mono: "Red Hat Mono", monospace;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

.comparison-label {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
  display: inline-block;
  padding: 0.5rem 1rem;
  border-radius: 6px;
}

.site-logo,
.btn,
.comparison-example,
.tool-link,
.form-label,
.submit-button {
  font-family: var(--font-mono);
}

.footer-link,
.copyright {
  font-size: 0.875rem;
}

.content-section table caption,
.content-section table thead th,
.content-section table tbody th[scope="row"] {
  font-family: var(--font-mono);
}

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

/* ============================================
   BASE STYLES
   ============================================ */
html {
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background-color: var(--background);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
  width: 100%;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-mono);
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
}

h2 {
  font-size: 2rem;
  font-weight: 600;
  color: var(--primary);
}

h3 {
  font-size: 1.5rem;
  font-weight: 500;
}

p {
  margin-bottom: 1rem;
  color: var(--text-muted);
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.2s;
}

a:hover {
  opacity: 0.8;
}

/* ============================================
   LAYOUT CONTAINER
   ============================================ */
.site-wrapper {
  display: grid;
  grid-template-columns: 250px 1fr;
  grid-template-rows: 80px 1fr 60px;
  min-height: 100vh;
  overflow-x: hidden;
  width: 100%;
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
  grid-column: 1 / -1;
  background: rgba(21, 3, 32, 0.95);
  /* Soft gradient shadow instead of hard border */
  box-shadow: inset 0 -1px 0 0 var(--border), 0 8px 24px -8px rgba(0, 0, 0, 0.4);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
}

/* Subtle gradient accent at bottom of header */
.site-header::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    to right,
    transparent 0%,
    var(--primary) 20%,
    var(--accent) 50%,
    var(--primary) 80%,
    transparent 100%
  );
  opacity: 0.2;
}

.site-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
  transition: color 0.2s;
}

.site-logo:hover {
  color: var(--accent);
}

/* Hamburger Menu */
.menu-toggle {
  display: none;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--primary);
  border-radius: 3px;
  transition: all 0.3s ease;
}

.menu-toggle:checked ~ .site-header .hamburger span:nth-child(1) {
  transform: rotate(45deg) translate(7px, 7px);
}

.menu-toggle:checked ~ .site-header .hamburger span:nth-child(2) {
  opacity: 0;
}

.menu-toggle:checked ~ .site-header .hamburger span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* ============================================
   NAVIGATION
   ============================================ */
.site-nav {
  background: var(--surface);
  /* Soft gradient shadow instead of hard border */
  box-shadow: inset -1px 0 0 0 var(--border), 8px 0 24px -8px rgba(0, 0, 0, 0.3);
  padding: 2rem 1rem;
  position: relative;
}

/* Subtle gradient fade on the right edge of navigation */
.site-nav::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 1px;
  height: 100%;
  background: linear-gradient(
    to bottom,
    transparent 0%,
    var(--primary) 20%,
    var(--primary) 80%,
    transparent 100%
  );
  opacity: 0.15;
}

.nav-list {
  list-style: none;
}

.nav-item {
  margin-bottom: 0.5rem;
}

.nav-link {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--text);
  border-radius: 8px;
  transition: all 0.2s;
  font-weight: 500;
}

.nav-link:hover {
  background: rgba(192, 122, 241, 0.15);
  color: var(--primary);
  opacity: 1;
}

.nav-link.active {
  background: var(--primary);
  color: var(--background);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  grid-column: 1 / -1;
  background: rgba(21, 3, 32, 0.95);
  border-top: 1px solid var(--border);
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-nav {
  display: flex;
  gap: 2rem;
}

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

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

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

/* ============================================
   MAIN CONTENT (COMMON)
   ============================================ */
.site-main {
  padding: 3rem;
  max-width: 1200px;
  width: 100%;
  overflow-x: hidden;
  box-sizing: border-box;
}

/* Page Header */
.page-header {
  margin-bottom: 2rem;
}

.page-title {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.page-intro {
  font-size: 1.125rem;
  color: var(--text-muted);
}

/* Content Section */
.content-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 2rem;
}

.section-title {
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border);
}

.section-content {
  font-size: 1.0625rem;
}

/* ============================================
   HOMEPAGE SPECIFIC STYLES
   ============================================ */

/* Hero Section */
.hero {
  background: linear-gradient(
    135deg,
    rgba(192, 122, 241, 0.1) 0%,
    rgba(231, 172, 32, 0.05) 100%
  );
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 3rem;
  margin-bottom: 3rem;
  text-align: center;
}

.hero-visual {
  background: #150320;
  border: 2px dashed var(--primary);
  border-radius: 12px;
  height: 300px;
  margin-bottom: 2rem;
  margin-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1rem;
}

.hero-visual:has(img) {
  height: auto;
  padding: 0;
  background: #150320;
  justify-content: flex-start;
  align-items: flex-start;
}

.hero-visual img {
  width: 100%;
  max-width: 800px;
  height: auto;
  border-radius: 10px;
}

.hero-title {
  font-size: 2.75rem;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  max-width: 100%;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text);
  max-width: 100%;
  margin: 0 auto;
}

/* Benefits List */
.benefits-list {
  list-style: none;
  margin: 1.5rem 0;
}

.benefits-list li {
  padding: 1rem;
  margin-bottom: 1rem;
  background: rgba(192, 122, 241, 0.05);
  border-left: 3px solid var(--primary);
  border-radius: 4px;
  color: var(--text);
}

.benefits-list li::before {
  content: "→";
  color: var(--accent);
  font-weight: bold;
  margin-right: 1rem;
}

/* Call to Action */
.cta-section {
  background: linear-gradient(
    135deg,
    rgba(231, 172, 32, 0.1) 0%,
    rgba(192, 122, 241, 0.1) 100%
  );
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem;
  text-align: center;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.btn {
  padding: 1rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  font-size: 1rem;
}

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

.btn-primary:hover {
  background: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(192, 122, 241, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--primary);
}

.btn-secondary:hover {
  background: var(--primary);
  color: var(--background);
}

/* ============================================
   LEARNING LAB SPECIFIC STYLES
   ============================================ */

/* Lab Container */
.lab-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem;
  margin-bottom: 3rem;
  position: relative;
}

.lab-title {
  font-size: 2rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border);
}

.coming-soon-badge {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: var(--accent);
  color: var(--background);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Video Container */
.video-container {
  background: rgba(21, 3, 32, 0.6);
  border: 2px dashed var(--primary);
  border-radius: 12px;
  aspect-ratio: 16 / 9;
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
  width: 100%;
  max-width: 100%;
  display: block;
}

.video-placeholder-icon {
  width: 80px;
  height: 80px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--background);
}

.lab-video {
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center;
  border-radius: 10px;
  display: block;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.lab-video::-webkit-media-controls {
  display: flex !important;
  opacity: 1 !important;
}

.lab-video::-webkit-media-controls-panel {
  display: flex !important;
  opacity: 1 !important;
}

/* Lab Content Sections */
.lab-section {
  margin-bottom: 2rem;
}

.lab-section-title {
  font-size: 1.25rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 1rem;
}

.lab-section-content {
  color: var(--text-muted);
  line-height: 1.8;
}

/* Takeaways List */
.takeaways-list {
  list-style: none;
  margin-top: 1rem;
}

.takeaways-list li {
  padding: 1rem;
  margin-bottom: 0.75rem;
  background: rgba(231, 172, 32, 0.1);
  border-left: 3px solid var(--accent);
  border-radius: 4px;
  color: var(--text);
}

.takeaways-list li::before {
  content: "✓";
  color: var(--accent);
  font-weight: bold;
  margin-right: 1rem;
}

/* ============================================
   PROMPTING SPECIFIC STYLES
   ============================================ */

/* Comparison Grid */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 2rem;
}

.comparison-box {
  background: rgba(21, 3, 32, 0.6);
  border-radius: 12px;
  padding: 2rem;
  position: relative;
}

.comparison-box.less-effective {
  border: 2px solid var(--warning);
}

.comparison-box.more-effective {
  border: 2px solid var(--success);
}

.comparison-box.less-effective .comparison-label {
  background: rgba(231, 76, 60, 0.2);
  color: var(--warning);
}

.comparison-box.more-effective .comparison-label {
  background: rgba(46, 204, 113, 0.2);
  color: var(--success);
}

.comparison-example {
  background: rgba(192, 122, 241, 0.08);
  border-radius: 8px;
  padding: 1.5rem;
  font-size: 0.9375rem;
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.comparison-explanation {
  font-size: 0.9375rem;
  color: var(--text-muted);
  font-style: italic;
}

/* ============================================
   CONTENT SECTION ENHANCEMENTS
   ============================================ */

/* Enhanced spacing for article-style content */
.content-section h2 {
  margin-top: 2rem;
}

.content-section h2:first-child,
.content-section h2.section-title {
  margin-top: 0;
}

.content-section h3 {
  color: var(--accent);
  margin-top: 2rem;
}

.content-section p {
  font-size: 1.0625rem;
}

/* Image Placeholder */
.content-image {
  background: rgba(21, 3, 32, 0.6);
  border: 2px dashed var(--primary);
  border-radius: 12px;
  height: 300px;
  margin: 2rem 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1rem;
}

/* Actual Images (override placeholder styling when img is present) */
.content-image img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
}

.content-image:has(img) {
  background: none;
  border: none;
  height: auto;
}

/* Table Styles */
.table-wrapper {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 2rem 0;
}

.content-section table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 0;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.content-section table caption {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-align: left;
  padding: 0 0 0.75rem 0;
  font-weight: 500;
  caption-side: top;
}

.content-section table thead {
  background: rgba(192, 122, 241, 0.15);
}

.content-section table thead th {
  font-weight: 600;
  color: var(--primary);
  text-align: left;
  padding: 1.25rem 1.5rem;
  border-right: 1px solid rgba(192, 122, 241, 0.15);
  border-bottom: 2px solid var(--border);
}

.content-section table thead th:last-child {
  border-right: none;
}

.content-section table tbody th[scope="row"] {
  color: var(--text);
  font-weight: 600;
  background: rgba(192, 122, 241, 0.08);
  text-align: left;
  padding: 1.25rem 1.5rem;
  border-right: 1px solid rgba(192, 122, 241, 0.15);
  border-bottom: 1px solid rgba(192, 122, 241, 0.1);
  min-width: 180px;
}

.content-section table tbody td {
  color: var(--text-muted);
  padding: 1.25rem 1.5rem;
  border-right: 1px solid rgba(192, 122, 241, 0.1);
  border-bottom: 1px solid rgba(192, 122, 241, 0.1);
  background: rgba(21, 3, 32, 0.3);
}

.content-section table tbody td:last-child,
.content-section table tbody th:last-child {
  border-right: none;
}

.content-section table tbody tr:last-child td,
.content-section table tbody tr:last-child th {
  border-bottom: none;
}

.content-section table tbody tr:hover {
  background: rgba(192, 122, 241, 0.05);
}

.content-section table tbody tr:hover th[scope="row"] {
  background: rgba(192, 122, 241, 0.12);
}

.content-section table tbody tr:hover td {
  background: rgba(192, 122, 241, 0.05);
}

/* Rounded corners for table */
.content-section table thead tr:first-child th:first-child {
  border-top-left-radius: 7px;
}

.content-section table thead tr:first-child th:last-child {
  border-top-right-radius: 7px;
}

.content-section table tbody tr:last-child th:first-child {
  border-bottom-left-radius: 7px;
}

.content-section table tbody tr:last-child td:last-child {
  border-bottom-right-radius: 7px;
}

/* ============================================
   RESOURCES SPECIFIC STYLES
   ============================================ */

/* Tool Cards */
.tools-grid {
  display: grid;
  gap: 2rem;
}

.tool-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  transition: all 0.3s;
}

.tool-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(192, 122, 241, 0.2);
}

.tool-logo {
  width: 100px;
  height: 100px;
  background: rgba(192, 122, 241, 0.1);
  border: 2px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
}

.tool-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 0.5rem;
}

.tool-content {
  flex: 1;
}

.tool-name {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.tool-description {
  color: var(--text-muted);
  margin-bottom: 1rem;
  line-height: 1.7;
}

.tool-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent);
  font-weight: 600;
}

.tool-link::after {
  content: "→";
  transition: transform 0.2s;
}

.tool-link:hover::after {
  transform: translateX(4px);
}

/* Download Lists */
.download-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem;
  margin-bottom: 2rem;
}

.download-section-title {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--primary);
}

.download-list {
  list-style: none;
}

.download-item {
  padding: 1rem 1.5rem;
  margin-bottom: 0.75rem;
  background: rgba(231, 172, 32, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: all 0.2s;
}

.download-item:hover {
  background: rgba(231, 172, 32, 0.15);
  transform: translateX(4px);
}

.download-link {
  display: flex;
  align-items: center;
  gap: 1rem;
  text-decoration: none;
  color: inherit;
  width: 100%;
}

.download-icon {
  font-size: 1.5rem;
}

.download-name {
  color: var(--text);
  flex: 1;
}

/* ============================================
   FEEDBACK SPECIFIC STYLES
   ============================================ */

/* Form Container */
.form-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem;
}

/* Form Styles */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.form-label .required {
  color: var(--accent);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 1rem;
  background: rgba(21, 3, 32, 0.6);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all 0.2s;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(192, 122, 241, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
  opacity: 0.5;
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-hint {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Submit Button */
.submit-button {
  background: var(--primary);
  color: var(--background);
  padding: 1rem 2.5rem;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 1rem;
}

.submit-button:hover {
  background: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(192, 122, 241, 0.3);
}

.submit-button:active {
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE DESIGN - LARGE SCREENS
   ============================================ */

/* Large Desktop (1440px+) */
@media (min-width: 1440px) {
  /* Increase sidebar width */
  .site-wrapper {
    grid-template-columns: 280px 1fr;
  }

  /* Scale up typography */
  body {
    font-size: 17px;
  }

  h1 {
    font-size: 2.75rem;
  }

  h2 {
    font-size: 2.25rem;
  }

  .page-title {
    font-size: 3.5rem;
  }

  .hero-title {
    font-size: 2.85rem;
    max-width: 95%;
    margin-left: auto;
    margin-right: auto;
  }

  /* Increase main content max-width */
  .site-main {
    max-width: 1400px;
    padding: 3.5rem;
  }

  /* Scale up hero visual */
  .hero-visual {
    height: 350px;
  }

  /* Improve comparison grid spacing */
  .comparison-grid {
    gap: 2.5rem;
  }

  /* Scale up tool cards */
  .tool-logo {
    width: 120px;
    height: 120px;
  }

  .tool-logo img {
    padding: 0.75rem;
  }
}

/* Extra Large Desktop (1920px) */
@media (min-width: 1920px) {
  /* Further increase sidebar */
  .site-wrapper {
    grid-template-columns: 320px 1fr;
    grid-template-rows: 90px 1fr 70px;
  }

  /* Scale typography for ultra-wide */
  body {
    font-size: 18px;
  }

  h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 2.5rem;
  }

  .page-title {
    font-size: 4rem;
  }

  .hero-title {
    font-size: 3.25rem;
    max-width: 90%;
    margin-left: auto;
    margin-right: auto;
  }

  /* Max content width for readability */
  .site-main {
    max-width: 1600px;
    padding: 4rem;
  }

  /* Scale header */
  .site-header {
    padding: 0 3rem;
  }

  .site-logo {
    font-size: 1.5rem;
  }

  /* Scale navigation */
  .site-nav {
    padding: 2.5rem 1.5rem;
  }

  .nav-link {
    padding: 0.875rem 1.25rem;
    font-size: 1.0625rem;
  }

  /* Hero visual */
  .hero-visual {
    height: 400px;
  }

  .hero {
    padding: 4rem;
  }

  /* Content sections */
  .content-section {
    padding: 3rem;
  }

  .lab-container {
    padding: 3.5rem;
  }

  /* Comparison grid - maintain 2 columns but with better spacing */
  .comparison-grid {
    gap: 3rem;
  }

  .comparison-box {
    padding: 2.5rem;
  }

  /* Tool cards */
  .tool-card {
    padding: 2.5rem;
    gap: 2.5rem;
  }

  .tool-logo {
    width: 140px;
    height: 140px;
  }

  .tool-logo img {
    padding: 1rem;
  }

  /* Forms */
  .form-container {
    padding: 3.5rem;
  }

  /* Footer */
  .site-footer {
    padding: 2rem 3rem;
  }

  .footer-nav {
    gap: 2.5rem;
  }
}

/* Tablet and below - maintain mobile-first approach */
@media (max-width: 768px) {
  .site-wrapper {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr auto;
  }

  /* Show hamburger menu */
  .hamburger {
    display: flex;
  }

  /* Mobile navigation */
  .site-nav {
    position: fixed;
    top: 80px;
    right: -100%;
    width: 280px;
    height: calc(100vh - 80px);
    background: var(--background);
    border-left: 1px solid var(--border);
    border-right: none;
    padding: 2rem 1rem;
    transition: right 0.3s ease;
    z-index: 1000;
    overflow-y: auto;
  }

  .menu-toggle:checked ~ .site-nav {
    right: 0;
  }

  .nav-list {
    margin-top: 1rem;
  }

  .nav-item {
    margin-bottom: 0.25rem;
  }

  .nav-link {
    font-size: 1.125rem;
    padding: 1rem 1.25rem;
  }

  .site-main {
    padding: 2rem 1.5rem;
  }

  .comparison-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .tool-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .cta-buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  /* Footer - stack navigation and copyright */
  .site-footer {
    flex-direction: column;
    gap: 1rem;
    padding: 1.5rem 1rem;
    text-align: center;
  }

  .footer-nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
  }

  /* Responsive Tables */
  .content-section table {
    font-size: 0.8125rem;
    min-width: 600px;
  }

  .content-section table caption {
    font-size: 0.75rem;
    padding-bottom: 0.5rem;
  }

  .content-section table thead th {
    padding: 0.875rem 0.625rem;
    font-size: 0.8125rem;
  }

  .content-section table tbody th[scope="row"] {
    min-width: 110px;
    padding: 0.875rem 0.625rem;
    font-size: 0.8125rem;
  }

  .content-section table tbody td {
    padding: 0.875rem 0.625rem;
    font-size: 0.75rem;
    line-height: 1.4;
  }
}