:root {
  --color-white: #ffffff;
  --color-off-white: #f8f9fa;
  --color-light-gray: #e9ecef;
  --color-gray: #6c757d;
  --color-dark-gray: #343a40;
  --color-darker-gray: #212529;
  --color-black: #000000;

  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;

  --border-radius: 8px;
  --box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --box-shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.15);

  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  font-weight: 400;
  color: var(--color-darker-gray);
  background-color: var(--color-white);

  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
}

#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Sticky CTA Header */
.sticky-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  transform: translateY(-100%);
  transition: transform 0.3s ease;
}

.sticky-header.visible {
  transform: translateY(0);
}

.sticky-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.sticky-text {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-darker-gray);
}

.btn-sticky {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.9375rem;
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: inherit;
  background-color: var(--color-darker-gray);
  color: var(--color-white);
  text-decoration: none;
}

.btn-sticky:hover {
  background-color: var(--color-black);
  transform: translateY(-2px);
  box-shadow: var(--box-shadow);
}

/* Header */
.header {
  background-color: var(--color-darker-gray);
  color: var(--color-white);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.logo-text {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  letter-spacing: -0.5px;
}

.tagline {
  font-size: 1rem;
  color: var(--color-light-gray);
  font-weight: 400;
}

/* Hero Section */
.hero {
  background-color: var(--color-off-white);
  padding: var(--spacing-xxl) 0;
  text-align: center;
}

.hero h2 {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--color-darker-gray);
  letter-spacing: -0.5px;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--color-gray);
  max-width: 700px;
  margin: 0 auto var(--spacing-lg);
  line-height: 1.8;
}

.btn-hero-cta {
  display: inline-block;
  width: auto !important;
  min-width: 240px;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.125rem;
  margin-top: var(--spacing-md);
}

/* How It Works Section */
.how-it-works {
  padding: var(--spacing-xl) 0;
  background-color: var(--color-white);
}

.how-it-works h3 {
  font-size: 2rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: var(--spacing-lg);
  color: var(--color-darker-gray);
}

.section-intro {
  text-align: center;
  color: var(--color-gray);
  font-size: 1.125rem;
  margin-bottom: var(--spacing-xl);
}

.steps-flow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  max-width: 1100px;
  margin: 0 auto;
}

.step-card {
  background: var(--color-off-white);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  text-align: center;
  position: relative;
  border: 1px solid var(--color-light-gray);
}

.step-arrow {
  display: none;
}

.step-number {
  display: inline-block;
  background-color: var(--color-darker-gray);
  color: var(--color-white);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.step-card h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-darker-gray);
  margin-bottom: var(--spacing-xs);
}

.step-card p {
  color: var(--color-gray);
  line-height: 1.6;
  font-size: 0.9375rem;
}

/* Pricing Section */
.pricing {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-off-white);
}

.pricing h3 {
  font-size: 2rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: var(--spacing-xl);
  color: var(--color-darker-gray);
}

.pricing-calculator {
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
}

.base-price-card {
  background: var(--color-white);
  border: 2px solid var(--color-dark-gray);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.pricing-header {
  text-align: center;
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-light-gray);
  margin-bottom: var(--spacing-md);
}

.base-price-card h4 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-darker-gray);
  margin-bottom: var(--spacing-sm);
}

.price-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
}

.price-original {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-gray);
  text-decoration: line-through;
  opacity: 0.7;
  text-align: center;
}

.price-strikethrough {
  text-decoration: line-through;
  color: var(--color-gray);
  opacity: 0.7;
  margin-right: var(--spacing-xs);
}

.price-sale {
  color: #dc2626;
  font-weight: 600;
}

.price {
  font-size: 2.5rem;
  font-weight: 700;
  color: #dc2626;
}

.price-note {
  font-size: 0.875rem;
  color: var(--color-gray);
  margin-top: var(--spacing-xs);
  font-style: italic;
}

.features {
  list-style: none;
  margin-bottom: 0;
}

.features li {
  padding: var(--spacing-xs) 0;
  color: var(--color-gray);
  position: relative;
  padding-left: var(--spacing-md);
}

.features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-dark-gray);
  font-weight: 700;
}

.add-ons-section {
  background: var(--color-white);
  border: 2px solid var(--color-light-gray);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.add-ons-section h4 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-darker-gray);
  margin-bottom: var(--spacing-md);
}

.add-on-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.add-on-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-md);
  border: 2px solid var(--color-light-gray);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all 0.2s ease;
  background-color: var(--color-white);
}

.add-on-item:hover {
  border-color: var(--color-gray);
  background-color: var(--color-off-white);
}

.add-on-item:has(input:checked) {
  border-color: var(--color-dark-gray);
  background-color: var(--color-off-white);
}

.add-on-item input[type="checkbox"] {
  width: 24px;
  height: 24px;
  cursor: pointer;
  margin-right: var(--spacing-md);
  flex-shrink: 0;
}

.add-on-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex: 1;
  gap: var(--spacing-md);
}

.add-on-label {
  color: var(--color-darker-gray);
  font-weight: 500;
  flex: 1;
}

.add-on-price {
  color: var(--color-dark-gray);
  font-weight: 600;
  font-size: 1.125rem;
  white-space: nowrap;
}

.total-price-section {
  background: var(--color-darker-gray);
  color: var(--color-white);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xl);
}

.total-label {
  font-size: 1.5rem;
  font-weight: 600;
}

.total-price {
  font-size: 2.5rem;
  font-weight: 700;
}

.guarantee-banner {
  background-color: var(--color-off-white);
  border: 2px solid var(--color-dark-gray);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  color: var(--color-darker-gray);
  line-height: 1.7;
}

.guarantee-banner strong {
  font-weight: 600;
  color: var(--color-darker-gray);
}

/* Buttons */
.btn {
  display: inline-block;
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: inherit;
}

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

.btn-primary:hover {
  background-color: var(--color-black);
  transform: translateY(-2px);
  box-shadow: var(--box-shadow);
}

.btn-secondary {
  background-color: var(--color-dark-gray);
  color: var(--color-white);
}

.btn-secondary:hover {
  background-color: var(--color-darker-gray);
  transform: translateY(-2px);
  box-shadow: var(--box-shadow);
}

.btn-checkout {
  background-color: var(--color-darker-gray);
  color: var(--color-white);
  font-size: 1.125rem;
  max-width: 400px;
  margin: var(--spacing-md) auto 0;
}

.btn-checkout:hover {
  background-color: var(--color-black);
  box-shadow: var(--box-shadow-lg);
}

.btn-cta {
  display: inline-block;
  width: auto;
  min-width: 200px;
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.125rem;
  font-weight: 600;
  text-align: center;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: inherit;
  background-color: var(--color-white);
  color: var(--color-dark-gray);
  text-decoration: none;
  margin-top: var(--spacing-lg);
}

.btn-cta:hover {
  background-color: var(--color-light-gray);
  transform: translateY(-2px);
  box-shadow: var(--box-shadow);
}

/* Modal Styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  padding: var(--spacing-xl);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: none;
  border: none;
  font-size: 2rem;
  line-height: 1;
  color: var(--color-gray);
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s ease;
}

.modal-close:hover {
  color: var(--color-darker-gray);
}

.modal-title {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-darker-gray);
  margin-bottom: var(--spacing-sm);
  padding-right: var(--spacing-xl);
}

.modal-description {
  color: var(--color-gray);
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

/* Form Styles */
.evaluation-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-info-text {
  padding: var(--spacing-md);
  background-color: var(--color-off-white);
  border-left: 4px solid var(--color-dark-gray);
  border-radius: var(--border-radius);
  margin-top: var(--spacing-md);
}

.form-info-text p {
  margin: 0;
  color: var(--color-darker-gray);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form-group label {
  font-weight: 600;
  color: var(--color-darker-gray);
  font-size: 0.9375rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group select,
.form-group textarea {
  padding: var(--spacing-sm);
  border: 2px solid var(--color-light-gray);
  border-radius: var(--border-radius);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s ease;
  background-color: var(--color-white);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-dark-gray);
}

.form-group input::placeholder {
  color: var(--color-gray);
}

.character-count {
  font-size: 0.875rem;
  color: var(--color-gray);
  text-align: right;
  margin-top: -0.25rem;
}

.radio-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.radio-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  padding: var(--spacing-sm);
  border: 2px solid var(--color-light-gray);
  border-radius: var(--border-radius);
  transition: all 0.2s ease;
  font-weight: 400;
}

.radio-label:hover {
  border-color: var(--color-gray);
  background-color: var(--color-off-white);
}

.radio-label input[type="radio"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
}

.radio-label input[type="radio"]:checked + span {
  font-weight: 600;
}

.radio-label:has(input:checked) {
  border-color: var(--color-dark-gray);
  background-color: var(--color-off-white);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  padding: var(--spacing-sm);
  border: 2px solid var(--color-light-gray);
  border-radius: var(--border-radius);
  transition: all 0.2s ease;
  font-weight: 400;
}

.checkbox-label:hover {
  border-color: var(--color-gray);
  background-color: var(--color-off-white);
}

.checkbox-label input[type="checkbox"] {
  width: 24px;
  height: 24px;
  cursor: pointer;
}

.checkbox-label input[type="checkbox"]:checked + span {
  font-weight: 600;
}

.checkbox-label:has(input:checked) {
  border-color: var(--color-dark-gray);
  background-color: var(--color-off-white);
}

.form-section-header {
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 2px solid var(--color-light-gray);
}

.form-section-header .section-description {
  font-size: 1rem;
  color: var(--color-dark-gray);
  font-weight: 500;
  margin: 0;
}

.btn-submit {
  margin-top: var(--spacing-md);
  width: 100%;
}

/* Form Success State */
.form-success {
  text-align: center;
  padding: var(--spacing-xl) 0;
}

.form-success.hidden {
  display: none;
}

.success-icon {
  width: 80px;
  height: 80px;
  background-color: var(--color-darker-gray);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  margin: 0 auto var(--spacing-lg);
  font-weight: 700;
}

.form-success h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-darker-gray);
  margin-bottom: var(--spacing-sm);
}

.form-success p {
  color: var(--color-gray);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.hidden {
  display: none;
}

/* Payment Section */
.payment-section {
  background-color: var(--color-off-white);
  border-radius: var(--border-radius);
  padding: var(--spacing-xl);
  margin-top: var(--spacing-xl);
  text-align: center;
  transition: all 0.3s ease;
}

.payment-section.hidden {
  display: none;
}

.payment-info h4 {
  font-size: 1.5rem;
  color: var(--color-darker-gray);
  margin-bottom: var(--spacing-sm);
}

.selected-price {
  font-size: 1.25rem;
  color: var(--color-gray);
  margin-bottom: var(--spacing-lg);
}

.selected-price span {
  font-weight: 700;
  color: var(--color-darker-gray);
  font-size: 1.5rem;
}

/* Info Section */
.info-section {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-off-white);
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  max-width: 1000px;
  margin: 0 auto;
}

.info-card {
  background: var(--color-white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius);
  text-align: center;
  border: 1px solid var(--color-light-gray);
}

.info-card h5 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-darker-gray);
  margin-bottom: var(--spacing-sm);
}

.info-card p {
  color: var(--color-gray);
  margin-bottom: var(--spacing-xs);
}

.info-note {
  font-size: 0.875rem;
  color: var(--color-gray);
  font-style: italic;
}

/* Compatibility Section */
.compatibility {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-white);
}

.compatibility h3 {
  font-size: 2rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: var(--spacing-md);
  color: var(--color-darker-gray);
}

.compatibility-intro {
  text-align: center;
  color: var(--color-gray);
  margin-bottom: var(--spacing-xl);
  font-size: 1.125rem;
}

.models-table {
  max-width: 1000px;
  margin: 0 auto var(--spacing-lg);
  border: 1px solid var(--color-light-gray);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.model-row {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr 2.5fr;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-light-gray);
}

.model-row:last-child {
  border-bottom: none;
}

.model-header {
  background-color: var(--color-darker-gray);
  color: var(--color-white);
  font-weight: 600;
}

.model-row > div {
  display: flex;
  align-items: center;
}

.compatibility-note {
  text-align: center;
  color: var(--color-gray);
  font-size: 0.9375rem;
  font-style: italic;
  max-width: 700px;
  margin: 0 auto;
}

/* CTA Section */
.cta-section {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-dark-gray);
  color: var(--color-white);
  text-align: center;
}

.cta-section h3 {
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.cta-section p {
  font-size: 1.125rem;
  color: var(--color-light-gray);
  max-width: 700px;
  margin: 0 auto var(--spacing-sm);
}

/* Personal Intro Section */
.personal-intro {
  background-color: var(--color-white);
  padding: var(--spacing-xl) 0;
  border-bottom: 1px solid var(--color-light-gray);
}

.intro-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  max-width: 800px;
  margin: 0 auto;
}

.profile-photo-container {
  flex-shrink: 0;
}

.profile-photo {
  width: 140px;
  height: 140px;
  border-radius: 50% 40% 60% 50%;
  object-fit: cover;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  display: block;
}

.intro-text {
  flex: 1;
}

.intro-text h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-darker-gray);
  margin-bottom: var(--spacing-sm);
}

.intro-text p {
  color: var(--color-gray);
  line-height: 1.7;
  margin-bottom: var(--spacing-sm);
}

.intro-text a {
  color: var(--color-dark-gray);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid var(--color-gray);
  transition: border-color 0.2s ease;
}

.intro-text a:hover {
  border-color: var(--color-darker-gray);
}

/* Footer */
.footer {
  background-color: var(--color-darker-gray);
  color: var(--color-light-gray);
  padding: var(--spacing-lg) 0;
  text-align: center;
}

.footer p {
  font-size: 0.9375rem;
  margin-bottom: var(--spacing-sm);
}

.footer p:last-child {
  margin-bottom: 0;
}

.footer a {
  color: var(--color-white);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid var(--color-gray);
  transition: border-color 0.2s ease;
}

.footer a:hover {
  border-color: var(--color-white);
}

/* FAQ Accordion Section */
.faq-section {
  padding: var(--spacing-xxl) 0;
  background-color: var(--color-white);
}

.section-title {
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-darker-gray);
  text-align: center;
  margin-bottom: var(--spacing-sm);
}

.section-description {
  text-align: center;
  color: var(--color-gray);
  margin-bottom: var(--spacing-xl);
  font-size: 1.125rem;
}

.accordion {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.accordion-item {
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: box-shadow 0.2s ease;
  border: 1px solid var(--color-light-gray);
}

.accordion-item:hover {
  box-shadow: var(--box-shadow-lg);
}

.accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  transition: background-color 0.2s ease;
}

.accordion-header:hover {
  background-color: var(--color-off-white);
}

.accordion-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-darker-gray);
  flex: 1;
  padding-right: var(--spacing-md);
}

.accordion-icon {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-dark-gray);
  transition: transform 0.3s ease;
  line-height: 1;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.accordion-header[aria-expanded="true"] .accordion-icon {
  transform: rotate(45deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.accordion-content.active {
  max-height: 1000px;
}

.accordion-body {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  color: var(--color-gray);
  line-height: 1.8;
}

.accordion-body p {
  margin-bottom: var(--spacing-md);
}

.accordion-body p:last-child {
  margin-bottom: 0;
}

.accordion-body ul {
  margin: var(--spacing-md) 0;
  padding-left: var(--spacing-lg);
}

.accordion-body li {
  margin-bottom: var(--spacing-sm);
}

.accordion-body strong {
  color: var(--color-darker-gray);
  font-weight: 600;
}

/* Responsive Design */
@media (max-width: 768px) {
  .sticky-container {
    padding: var(--spacing-xs) var(--spacing-sm);
  }

  .sticky-text {
    font-size: 0.8125rem;
    max-width: 60%;
  }

  .btn-sticky {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.8125rem;
  }

  .modal-content {
    padding: var(--spacing-lg);
    max-height: 95vh;
  }

  .modal-title {
    font-size: 1.5rem;
  }

  .radio-group {
    gap: var(--spacing-xs);
  }

  .accordion-header {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .accordion-body {
    padding: 0 var(--spacing-md) var(--spacing-md);
  }

  .accordion-title {
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

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

  .hero h2 {
    font-size: 1.75rem;
  }

  .hero-description {
    font-size: 1rem;
  }

  .hero-badge {
    font-size: 0.875rem;
    padding: var(--spacing-xs) var(--spacing-md);
  }

  .pricing h3,
  .compatibility h3,
  .cta-section h3,
  .how-it-works h3 {
    font-size: 1.5rem;
  }

  .steps-flow {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  .step-card {
    padding: var(--spacing-sm);
  }

  .step-card h4 {
    font-size: 1rem;
  }

  .step-card p {
    font-size: 0.875rem;
  }

  .pricing-calculator {
    max-width: 100%;
  }

  .total-label {
    font-size: 1.25rem;
  }

  .total-price {
    font-size: 2rem;
  }

  .add-on-content {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }

  .add-on-label {
    font-size: 0.9375rem;
  }

  .add-on-price {
    font-size: 1rem;
  }

  .models-table {
    overflow-x: auto;
  }

  .model-row {
    grid-template-columns: 1.5fr 0.75fr 1fr 2fr;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    font-size: 0.875rem;
  }

  .info-grid {
    grid-template-columns: 1fr;
  }

  .intro-content {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-lg);
  }

  .profile-photo {
    width: 120px;
    height: 120px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

  .steps-flow {
    gap: var(--spacing-xs);
  }

  .step-card {
    padding: var(--spacing-xs) var(--spacing-sm);
  }

  .how-it-works {
    padding: var(--spacing-lg) 0;
  }

  .model-row {
    grid-template-columns: 1fr;
    gap: var(--spacing-xs);
  }

  .model-header {
    display: none;
  }

  .model-row > div::before {
    content: attr(data-label);
    font-weight: 600;
    margin-right: var(--spacing-xs);
  }
}