:root {
  /* Color Palette (from Stitch Design System) */
  --color-background: #faf9fd;
  --color-surface: #faf9fd;
  --color-surface-dim: #dbd9dd;
  --color-surface-bright: #faf9fd;
  --color-surface-container-lowest: #ffffff;
  --color-surface-container-low: #f4f3f7;
  --color-surface-container: #efedf1;
  --color-surface-container-high: #e9e7eb;
  --color-surface-container-highest: #e3e2e6;
  --color-on-surface: #1a1b1e;
  --color-on-surface-variant: #414754;
  --color-inverse-surface: #2f3033;
  --color-inverse-on-surface: #f1f0f4;
  --color-outline: #727785;
  --color-outline-variant: #c1c6d6;
  --color-surface-tint: #005bc0;

  --color-primary: #005bbf;
  --color-on-primary: #ffffff;
  --color-primary-container: #1a73e8;
  --color-on-primary-container: #ffffff;
  --color-inverse-primary: #adc7ff;

  --color-secondary: #5c5f60;
  --color-on-secondary: #ffffff;
  --color-secondary-container: #dee0e1;
  --color-on-secondary-container: #606364;

  --color-tertiary: #9e4300;
  --color-on-tertiary: #ffffff;
  --color-tertiary-container: #c55500;
  --color-on-tertiary-container: #0e0200;

  --color-error: #ba1a1a;
  --color-on-error: #ffffff;
  --color-error-container: #ffdad6;
  --color-on-error-container: #93000a;

  --color-white: #ffffff;

  /* Typography Scale */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Layout and Spacing */
  --spacing-base: 8px;
  --spacing-gutter: 24px;
  --spacing-margin-desktop: 48px;
  --spacing-margin-mobile: 16px;
  --container-max-width: 1200px;

  /* Border Radii */
  --radius-sm: 4px;
  --radius-default: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --soft-shadow: 0px 4px 12px rgba(0, 0, 0, 0.05);
  --medium-shadow: 0px 10px 30px rgba(0, 0, 0, 0.08);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-background);
  color: var(--color-on-surface);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* 3D WebGL Backgrounds */
.threejs-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  transition: opacity 0.8s ease;
}
#hero-bg { z-index: 0; }
#standard-bg { z-index: -1; opacity: 0; }

/* Translucent Containers to let WebGL show through */
header, footer { 
  background-color: rgba(250, 249, 253, 0.7) !important; 
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: relative;
  z-index: 20;
}

main { 
  position: relative; 
  z-index: 10; 
}

section { 
  background: transparent !important; 
}

/* Typography Classes */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  color: var(--color-on-surface);
}

.text-display-lg {
  font-size: 48px;
  line-height: 56px;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.text-headline-lg {
  font-size: 32px;
  line-height: 40px;
  letter-spacing: -0.01em;
  font-weight: 600;
}

.text-headline-md {
  font-size: 24px;
  line-height: 32px;
  font-weight: 600;
}

.text-title-lg {
  font-size: 20px;
  line-height: 28px;
  font-weight: 500;
}

.text-body-lg {
  font-size: 16px;
  line-height: 24px;
  font-weight: 400;
  color: var(--color-on-surface-variant);
}

.text-body-md {
  font-size: 14px;
  line-height: 20px;
  font-weight: 400;
  color: var(--color-on-surface-variant);
}

.text-label-md {
  font-size: 12px;
  line-height: 16px;
  letter-spacing: 0.05em;
  font-weight: 500;
  text-transform: uppercase;
}

/* Layout Utilities */
.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-margin-desktop);
  width: 100%;
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-margin-mobile);
  }
}

/* Navigation */
.header {
  border-bottom: 1px solid var(--color-outline-variant);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  transition: opacity 0.2s;
}

.logo:hover {
  opacity: 0.9;
}

.nav-links {
  display: flex;
  gap: var(--spacing-gutter);
  align-items: center;
  list-style: none;
}

@media (max-width: 768px) {
  .nav-links {
    display: none; /* Mobile navigation hiding */
  }
}

.nav-link {
  color: var(--color-on-surface-variant);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
  cursor: pointer;
}

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

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  padding: 10px 24px;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-container);
  transform: translateY(-1px);
  box-shadow: var(--soft-shadow);
}

.btn-lg {
  padding: 16px 32px;
  font-size: 16px;
  border-radius: var(--radius-lg);
}

/* Floating Animation for Hero & Empathy Preview */
@keyframes floating {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

.float-screenshot {
  animation: floating 5s ease-in-out infinite;
}

/* Hero Section */
.hero {
  padding: 80px 0;
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 48px;
  align-items: center;
}

@media (max-width: 992px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 48px 0;
  }
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

@media (max-width: 992px) {
  .hero-actions {
    justify-content: center;
  }
}

.hero-features {
  list-style: none;
  padding: 0;
  margin: 8px 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}

@media (max-width: 992px) {
  .hero-features {
    align-self: center;
    max-width: 500px;
  }
}

.hero-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 16px;
  line-height: 24px;
  color: var(--color-on-surface-variant);
  font-weight: 500;
  text-align: left;
}

.hero-features li span.material-symbols-outlined {
  color: var(--color-primary);
  font-size: 24px;
  flex-shrink: 0;
}

/* MacOS Browser Mockup */
.hero-browser-link {
  perspective: 1500px;
  display: block;
  text-decoration: none;
  transform-style: preserve-3d;
  max-width: 90%;
  margin: 0 auto;
}

.browser-mockup {
  background-color: #ffffff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08), 0 5px 15px rgba(0, 0, 0, 0.04);
  border: 1px solid var(--color-outline-variant);
  transition: transform 1.5s cubic-bezier(0.25, 1, 0.5, 1), box-shadow 1.5s cubic-bezier(0.25, 1, 0.5, 1);
  width: 100%;
}

.browser-mockup.tilt-3d {
  transform: rotateX(6deg) rotateY(-14deg) rotateZ(3deg);
  box-shadow: -20px 25px 50px rgba(0, 0, 0, 0.12), -5px 10px 20px rgba(0, 0, 0, 0.06);
}

.hero-browser-link:hover .browser-mockup:not(.tilt-3d) {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15), 0 10px 20px rgba(0, 0, 0, 0.06);
}

.browser-header {
  height: 36px;
  background-color: var(--color-surface-container);
  border-bottom: 1px solid var(--color-outline-variant);
  display: flex;
  align-items: center;
  padding: 0 16px;
  position: relative;
}

.browser-dots {
  display: flex;
  gap: 6px;
  z-index: 2;
}

.browser-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.dot-red {
  background-color: #ff5f56;
}

.dot-yellow {
  background-color: #ffbd2e;
}

.dot-green {
  background-color: #27c93f;
}

.browser-address-bar {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-surface-container-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: 6px;
  padding: 2px 24px;
  font-size: 11px;
  color: var(--color-outline);
  text-align: center;
  font-family: Inter, sans-serif;
  white-space: nowrap;
  opacity: 0.8;
  z-index: 1;
}

.browser-body {
  line-height: 0;
  background-color: #ffffff;
}

.browser-body img {
  width: 100%;
  height: auto;
  display: block;
}

/* Restored .hero-media styles used in detail/video sections */
.hero-media {
  position: relative;
  background-color: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 4px solid var(--color-white);
  box-shadow: var(--medium-shadow);
  transition: transform 0.3s ease;
}

.hero-media:hover {
  transform: scale(1.02);
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
}

.play-button {
  position: absolute;
  width: 80px;
  height: 80px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--medium-shadow);
  transition: transform 0.2s ease, background-color 0.2s;
  border: none;
}

.play-button:hover {
  transform: scale(1.1);
  background-color: var(--color-primary-container);
}

/* Section Common Styling */
.section {
  padding: 80px 0;
  border-top: 1px solid var(--color-outline-variant);
}

.section-header {
  text-align: center;
  max-width: 768px;
  margin: 0 auto 64px auto;
}

.section-header h2 {
  margin-bottom: 16px;
}

/* Empathy Section */
.empathy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

@media (max-width: 768px) {
  .empathy-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .empathy-media-wrapper {
    order: 2;
  }
  .empathy-content {
    order: 1;
  }
}

.empathy-media-wrapper {
  background-color: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
  padding: 16px;
  border-radius: var(--radius-xl);
  box-shadow: var(--soft-shadow);
  border: 1px solid rgba(233, 233, 233, 0.5);
  transform: rotate(-2deg);
  transition: transform 0.3s ease;
}

.empathy-media-wrapper:hover {
  transform: rotate(0deg);
}

.empathy-image {
  width: 100%;
  height: auto;
  max-height: 450px;
  object-fit: contain;
  border-radius: var(--radius-default);
}

.empathy-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.empathy-content blockquote {
  font-size: 18px;
  line-height: 28px;
  color: var(--color-on-surface-variant);
  font-style: italic;
}

.empathy-divider {
  height: 4px;
  width: 80px;
  background-color: var(--color-primary);
}

/* Video Section (Dall'Appunto al Codice) */
.video-section-wrapper {
  max-width: 800px;
  margin: 0 auto;
  background-color: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 16/9;
  border: 4px solid var(--color-white);
  box-shadow: var(--medium-shadow);
  position: relative;
  transition: transform 0.3s ease;
}

.video-section-wrapper:hover {
  transform: scale(1.01);
}

.video-section-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Control Panel Section (La Cabina di Regia) */
.control-panel-wrapper {
  background-color: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
  padding: 16px;
  border-radius: var(--radius-xl);
  box-shadow: var(--medium-shadow);
  border: 1px solid rgba(233, 233, 233, 0.5);
  transition: transform 0.3s ease;
}

.control-panel-wrapper:hover {
  transform: translateY(-4px);
}

.control-panel-image {
  width: 100%;
  border-radius: var(--radius-lg);
  display: block;
}

/* Detail Features Section (Alternating Modules) */
.feature-detail-grid {
  display: flex;
  flex-direction: column;
  gap: 120px;
}

.feature-detail-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

@media (max-width: 768px) {
  .feature-detail-item {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .feature-detail-item:nth-child(even) .feature-media {
    order: 2;
  }
  .feature-detail-item:nth-child(even) .feature-info {
    order: 1;
  }
}

.feature-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Feature detail sub-list */
.feature-info-list {
  list-style: none;
  padding: 0;
  margin: 16px 0 0 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.feature-info-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.feature-info-list li .material-symbols-outlined {
  color: var(--color-primary);
  font-size: 24px;
  flex-shrink: 0;
  margin-top: 2px;
}

.feature-info-list li div {
  font-size: 16px;
  line-height: 24px;
  color: var(--color-on-surface-variant);
}

.feature-info-list li strong {
  color: var(--color-on-surface);
  display: block;
  margin-bottom: 4px;
}


.badge {
  padding: 4px 16px;
  border-radius: var(--radius-full);
  width: fit-content;
  font-weight: 500;
}

.badge-primary {
  background-color: rgba(0, 91, 191, 0.1);
  color: var(--color-primary);
}

.badge-tertiary {
  background-color: rgba(158, 67, 0, 0.1);
  color: var(--color-tertiary);
}

.badge-error {
  background-color: rgba(186, 26, 26, 0.1);
  color: var(--color-error);
}

.badge-secondary {
  background-color: rgba(92, 95, 96, 0.1);
  color: var(--color-secondary);
}

.feature-media {
  background-color: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
  padding: 24px;
  border-radius: var(--radius-xl);
  box-shadow: var(--soft-shadow);
  border: 1px solid rgba(233, 233, 233, 0.5);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-media:hover {
  transform: translateY(-4px);
  box-shadow: var(--medium-shadow);
}

.feature-media img {
  width: 100%;
  border-radius: var(--radius-default);
  display: block;
}

/* Global Monitoring Section */
.global-monitor-section {
  background-color: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-xl);
  padding: 64px 32px;
  border: 1px solid rgba(233, 233, 233, 0.5);
}

@media (max-width: 768px) {
  .global-monitor-section {
    padding: 40px 16px;
  }
}

.global-monitor-content {
  background-color: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(233, 233, 233, 0.5);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--medium-shadow);
  transition: transform 0.3s ease;
}

.global-monitor-content:hover {
  transform: translateY(-2px);
}

.global-monitor-content img {
  width: 100%;
  display: block;
}

/* Advanced Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-gutter);
}

.feature-card {
  background-color: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(8px);
  padding: 24px;
  border-radius: var(--radius-xl);
  box-shadow: var(--soft-shadow);
  border: 1px solid rgba(233, 233, 233, 0.5);
  transition: all 0.3s ease;
  position: relative;
}

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

.feature-icon-wrapper {
  width: 48px;
  height: 48px;
  background-color: rgba(0, 91, 191, 0.1);
  color: var(--color-primary);
  border-radius: var(--radius-default);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.feature-card h4 {
  margin-bottom: 12px;
}

.pulse-indicator {
  position: absolute;
  top: 16px;
  right: 16px;
  display: flex;
  height: 12px;
  width: 12px;
}

.pulse-ping {
  position: absolute;
  display: inline-flex;
  height: 100%;
  width: 100%;
  border-radius: var(--radius-full);
  background-color: var(--color-error);
  opacity: 0.75;
  animation: ping 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
}

.pulse-dot {
  position: relative;
  display: inline-flex;
  border-radius: var(--radius-full);
  height: 12px;
  width: 12px;
  background-color: var(--color-error);
}

@keyframes ping {
  75%, 100% {
    transform: scale(2);
    opacity: 0;
  }
}

/* Final CTA Section */
.cta-box {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border-radius: var(--radius-xl);
  padding: 80px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--medium-shadow);
}

@media (max-width: 768px) {
  .cta-box {
    padding: 48px 24px;
  }
}

.cta-bg-icon {
  position: absolute;
  top: 0;
  right: 0;
  padding: 32px;
  opacity: 0.1;
  font-size: 120px;
  pointer-events: none;
}

.cta-box-content {
  position: relative;
  z-index: 1;
  max-width: 768px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.cta-box h2 {
  color: var(--color-on-primary);
  margin-bottom: 8px;
}

.cta-box p {
  opacity: 0.9;
}

.cta-description {
  display: flex;
  flex-direction: column;
  gap: 20px;
  text-align: left;
  max-width: 680px;
  margin: 0 auto;
  color: var(--color-white);
  opacity: 0.95;
}

.cta-bullet {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  font-size: 16px;
  line-height: 24px;
}

.cta-bullet span.material-symbols-outlined {
  color: var(--color-white);
  font-size: 24px;
  flex-shrink: 0;
  margin-top: 2px;
}

.cta-bullet strong {
  color: var(--color-white);
  font-weight: 600;
}

.cta-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
}

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

.btn-cta-white:hover {
  transform: scale(1.05);
  box-shadow: var(--medium-shadow);
}

.btn-cta-outline {
  background-color: rgba(216, 226, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--color-white);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.btn-cta-outline:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

/* Footer Section */
.footer {
  background-color: var(--color-surface-container-highest);
  border-top: 1px solid var(--color-outline-variant);
  padding: 48px 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

@media (max-width: 768px) {
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}

.footer-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links {
  display: flex;
  gap: var(--spacing-gutter);
  list-style: none;
}

@media (max-width: 768px) {
  .footer-links {
    flex-direction: column;
    gap: 12px;
  }
}

.footer-link {
  color: var(--color-on-surface-variant);
  text-decoration: none;
  font-size: 12px;
  font-weight: 500;
  transition: color 0.2s ease;
}

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

/* Scroll Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 1s ease, transform 1s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Zoomable Images & Lightbox */
.zoomable-image {
  cursor: zoom-in;
  transition: transform 0.3s ease;
}
.zoomable-image:hover {
  transform: scale(1.02);
}

.lightbox {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(26, 27, 30, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  justify-content: center;
  align-items: center;
  flex-direction: column;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.lightbox.show {
  display: flex;
  opacity: 1;
}

.lightbox-content {
  margin: auto;
  display: block;
  max-width: 90%;
  max-height: 80vh;
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
  transform: scale(0.95);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  cursor: zoom-out;
}

.lightbox.show .lightbox-content {
  transform: scale(1);
}

#lightbox-caption {
  margin: 16px auto;
  text-align: center;
  color: var(--color-white);
  padding: 0 16px;
  font-size: 16px;
  font-weight: 500;
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 32px;
  color: var(--color-white);
  font-size: 40px;
  font-weight: bold;
  transition: 0.3s;
  cursor: pointer;
  user-select: none;
}

.lightbox-close:hover {
  color: var(--color-primary-container);
}

/* Guide Accordion Styling */
.guide-accordion {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.accordion-item {
  background-color: var(--color-surface-container-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.accordion-item:hover {
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.05);
  border-color: var(--color-outline);
}

.accordion-header {
  width: 100%;
  padding: 24px;
  background: none;
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  text-align: left;
  gap: 16px;
  color: var(--color-on-surface);
  transition: background-color 0.2s ease;
}

.accordion-header:hover {
  background-color: var(--color-surface-container-low);
}

.accordion-title-container {
  display: flex;
  align-items: center;
  gap: 16px;
}

.accordion-icon-main {
  color: var(--color-primary);
  font-size: 28px;
  flex-shrink: 0;
}

.accordion-chevron {
  color: var(--color-outline);
  font-size: 24px;
  transition: transform 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

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

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

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
  background-color: var(--color-surface-container-lowest);
}

.accordion-content-inner {
  padding: 0 24px 24px 24px;
  border-top: 1px solid var(--color-surface-container-low);
}

.accordion-content-inner p {
  margin-bottom: 20px;
  color: var(--color-on-surface-variant);
  line-height: 1.6;
}

/* Details Grid inside Accordion */
.guide-details-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 16px;
}

.guide-detail-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px;
  background-color: var(--color-surface-container-low);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-surface-container-high);
}

.guide-detail-card span.material-symbols-outlined {
  color: var(--color-primary);
  font-size: 24px;
  margin-top: 2px;
  flex-shrink: 0;
}

.guide-detail-card div {
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-on-surface-variant);
}

.guide-detail-card strong {
  color: var(--color-on-surface);
  font-weight: 600;
  display: block;
  margin-bottom: 4px;
}

.guide-detail-card ul {
  margin: 8px 0 0 16px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.guide-detail-card li {
  list-style-type: disc;
}