/*
 * Sinowealth Distributor Website - Components CSS
 * Contains styles for UI components with modern design
 */

/* Button styles - Refreshed with modern design */
.btn {
  --btn-padding-x: var(--spacing-lg);
  --btn-padding-y: var(--spacing-md);
  --btn-font-size: var(--font-size-base);
  --btn-border-radius: var(--border-radius-md);
  display: inline-block;
  padding: var(--btn-padding-y) var(--btn-padding-x);
  font-size: var(--btn-font-size);
  font-weight: 500;
  line-height: var(--line-height-base);
  text-align: center;
  text-decoration: none;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  border: 1px solid transparent;
  border-radius: var(--btn-border-radius);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  background-color: transparent;
  min-height: 44px; /* Touch target accessibility */
}

.btn:hover,
.btn:focus {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

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

.btn-primary:hover,
.btn-primary:focus {
  color: var(--white);
  background-color: var(--primary-color-dark);
  border-color: var(--primary-color-dark);
}

.btn-accent {
  color: var(--white);
  background-color: var(--accent-color);
  border-color: var(--accent-color);
}

.btn-accent:hover,
.btn-accent:focus {
  color: var(--white);
  background-color: var(--accent-color-dark);
  border-color: var(--accent-color-dark);
}

.btn-outline-primary {
  color: var(--primary-color);
  background-color: transparent;
  background-image: none;
  border-color: var(--primary-color);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
  color: var(--white);
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.btn-outline-accent {
  color: var(--accent-color);
  background-color: transparent;
  background-image: none;
  border-color: var(--accent-color);
}

.btn-outline-accent:hover,
.btn-outline-accent:focus {
  color: var(--white);
  background-color: var(--accent-color);
  border-color: var(--accent-color);
}

.btn-lg {
  --btn-padding-y: calc(var(--spacing-md) + var(--spacing-xs));
  --btn-padding-x: calc(var(--spacing-lg) + var(--spacing-sm));
  --btn-font-size: var(--font-size-lg);
  --btn-border-radius: var(--border-radius-lg);
}

.btn-sm {
  --btn-padding-y: var(--spacing-sm);
  --btn-padding-x: var(--spacing-md);
  --btn-font-size: var(--font-size-sm);
  --btn-border-radius: var(--border-radius-sm);
}

.btn-block {
  display: block;
  width: 100%;
}

/* Header Styles - Modern sticky header with gradient effect */
.header {
  padding: var(--spacing-md) 0;
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: var(--z-index-sticky);
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
  padding: var(--spacing-sm) 0;
}

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

.logo-container {
  display: flex;
  align-items: center;
}

.logo {
  margin: 0;
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

/* Navigation styles - Modern horizontal menu for desktop */
.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-lg);
}

.nav-link {
  display: block;
  padding: var(--spacing-sm) 0;
  color: var(--text-color);
  text-decoration: none;
  font-weight: 500;
  transition: all var(--transition-base);
  position: relative;
  z-index: 1;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  transition: width var(--transition-base);
  z-index: -1;
}

.nav-link:hover::after,
.nav-link:focus::after {
  width: 100%;
}

/* Mobile menu toggle - Hamburger menu */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px; /* Accessibility touch target */
  height: 44px;
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  position: relative;
}

.mobile-menu-toggle .hamburger {
  width: 20px;
  height: 2px;
  background-color: var(--primary-color);
  margin: 2px 0;
  transition: 0.3s;
  position: relative;
  transform-origin: center;
}

.mobile-menu-toggle.active .hamburger:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}

.mobile-menu-toggle.active .hamburger:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active .hamburger:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}

/* Hero Section - Modern gradient with abstract geometric pattern */
.hero-section {
  padding: var(--spacing-xxxl) 0 var(--spacing-xxl);
  background: linear-gradient(135deg, var(--primary-color-light) 0%, var(--white) 100%);
  position: relative;
  overflow: hidden;
  margin-bottom: var(--spacing-xxl);
}

.hero-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(0, 114, 206, 0.05) 0%, transparent 20%),
    radial-gradient(circle at 90% 80%, rgba(255, 107, 53, 0.05) 0%, transparent 20%);
  pointer-events: none;
}

.hero-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-xxl);
  position: relative;
  z-index: 1;
  max-width: var(--max-width-xl);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

@media (max-width: 991.98px) {
  .hero-content {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-xl);
  }
  
  .hero-cta {
    justify-content: center;
  }
}

.hero-text {
  flex: 1;
}

.hero-title {
  font-size: var(--font-size-xxxxl);
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-heading);
  letter-spacing: -0.025em;
}

@media (max-width: 767.98px) {
  .hero-title {
    font-size: var(--font-size-xxxl);
  }
}

.hero-subtitle {
  font-size: var(--font-size-xxl);
  color: var(--text-color-light);
  margin-bottom: var(--spacing-md);
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--text-color-light);
  margin-bottom: var(--spacing-xl);
  line-height: var(--line-height-base);
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* Core Advantages Section - Modern card-based design */
.core-advantages {
  padding: var(--spacing-xxl) 0;
  background-color: var(--gray-50);
}

.section-title {
  text-align: center;
  font-size: var(--font-size-xxl);
  color: var(--primary-color);
  margin-bottom: var(--spacing-xxl);
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}

.advantage-card {
  text-align: center;
  padding: var(--spacing-xl);
  background-color: var(--white);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.advantage-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  transform: scaleX(0);
  transition: transform var(--transition-base);
  z-index: -1;
}

.advantage-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.advantage-card:hover::before {
  transform: scaleX(1);
}

.advantage-icon {
  margin: 0 auto var(--spacing-md);
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-color-light));
  border-radius: var(--border-radius-full);
  color: var(--white);
  font-size: var(--font-size-xxl);
}

.advantage-title {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-lg);
}

.advantage-description {
  color: var(--text-color-light);
  line-height: var(--line-height-base);
}

/* Core Products Section - Modern card layout */
.core-products {
  padding: var(--spacing-xxl) 0;
  background-color: var(--white);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}

.product-card {
  background-color: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  text-align: center;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color-light);
  position: relative;
  overflow: hidden;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.product-icon {
  margin: 0 auto var(--spacing-md);
  width: fit-content;
  font-size: var(--font-size-xxxl);
  color: var(--primary-color);
}

.product-title {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-lg);
}

.product-description {
  color: var(--text-color-light);
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-base);
}

.product-link {
  display: inline-block;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-base);
}

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

/* Solutions Section - Card-based design with hover effects */
.solutions-section {
  padding: var(--spacing-xxl) 0;
  background-color: var(--gray-50);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.solution-card {
  background-color: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  text-align: center;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color-light);
  position: relative;
  overflow: hidden;
}

.solution-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.solution-title {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-lg);
}

.solution-description {
  color: var(--text-color-light);
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-base);
}

.solution-link {
  display: inline-block;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-base);
}

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

/* Latest News Section - Modern card design */
.latest-news {
  padding: var(--spacing-xxl) 0;
  background-color: var(--white);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.news-card {
  background-color: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  border: 1px solid var(--border-color-light);
  position: relative;
  overflow: hidden;
}

.news-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.news-date {
  display: block;
  color: var(--text-color-lighter);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xs);
}

.news-title {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-lg);
}

.news-excerpt {
  color: var(--text-color-light);
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-base);
}

.news-link {
  display: inline-block;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-base);
}

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

/* Footer - Modern multi-column design */
.footer {
  background-color: var(--gray-900);
  color: var(--white);
  padding: var(--spacing-xxl) 0 var(--spacing-md);
  margin-top: var(--spacing-xxl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-title {
  color: var(--white);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
  font-weight: 600;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: var(--gray-400);
  text-decoration: none;
  transition: color var(--transition-base);
  display: block;
  position: relative;
  padding-left: var(--spacing-md);
}

.footer-links a::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent-color);
  transition: transform var(--transition-base);
}

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

.footer-links a:hover::before {
  transform: translateX(3px);
}

.footer-bottom {
  border-top: 1px solid var(--gray-700);
  padding-top: var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

@media (max-width: 767.98px) {
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

.copyright {
  margin: 0;
  color: var(--gray-400);
}

.footer-legal {
  display: flex;
  gap: var(--spacing-md);
}

.footer-legal a {
  color: var(--gray-400);
  text-decoration: none;
}

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

/* Breadcrumb Navigation - Modern design */
.breadcrumb {
  padding: var(--spacing-md) 0;
  background-color: var(--gray-100);
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
  font-size: var(--font-size-sm);
}

.breadcrumb li:not(:last-child)::after {
  content: "›";
  margin: 0 var(--spacing-sm);
  color: var(--text-color-lighter);
}

.breadcrumb a {
  color: var(--text-color-light);
  text-decoration: none;
  transition: color var(--transition-base);
}

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

/* Card Component - Modern design with hover effects */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  word-wrap: break-word;
  background-color: var(--white);
  background-clip: border-box;
  border: 0 solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  overflow: hidden;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.card-img-top {
  width: 100%;
  border-top-left-radius: var(--border-radius-lg);
  border-top-right-radius: var(--border-radius-lg);
}

.card-body {
  flex: 1 1 auto;
  padding: var(--spacing-xl);
}

.card-title {
  margin-bottom: var(--spacing-md);
  color: var(--primary-color);
  font-size: var(--font-size-lg);
}

.card-text {
  margin-bottom: 0;
  color: var(--text-color-light);
  line-height: var(--line-height-base);
}

/* Table Styles - Modern design with hover effects */
.table {
  --table-color: var(--text-color);
  --table-bg: transparent;
  --table-border-color: var(--border-color);
  --table-accent-bg: transparent;
  --table-striped-color: var(--text-color);
  --table-striped-bg: rgba(0, 0, 0, 0.025);
  --table-active-color: var(--text-color);
  --table-active-bg: rgba(0, 0, 0, 0.05);
  --table-hover-color: var(--text-color);
  --table-hover-bg: rgba(0, 114, 206, 0.05);
  
  width: 100%;
  margin-bottom: var(--spacing-lg);
  color: var(--table-color);
  vertical-align: top;
  border-color: var(--table-border-color);
}

.table th {
  padding: var(--spacing-md) var(--spacing-lg);
  font-weight: 600;
  text-transform: uppercase;
  font-size: var(--font-size-sm);
  color: var(--text-color-lighter);
  background-color: var(--gray-100);
  border-bottom: 2px solid var(--table-border-color);
}

.table td {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--table-border-color);
}

.table-hover tbody tr {
  transition: background-color var(--transition-fast);
}

.table-hover tbody tr:hover {
  --table-color: var(--table-hover-color);
  background-color: var(--table-hover-bg);
}

/* Form Styles - Modern design */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--text-color);
}

.form-control {
  display: block;
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-base);
  font-weight: 400;
  line-height: var(--line-height-base);
  color: var(--text-color);
  background-color: var(--white);
  background-clip: padding-box;
  border: 1px solid var(--border-color);
  appearance: none;
  border-radius: var(--border-radius-md);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-control:focus {
  color: var(--text-color);
  background-color: var(--white);
  border-color: var(--primary-color);
  outline: 0;
  box-shadow: 0 0 0 0.25rem rgba(0, 114, 206, 0.25);
}

.form-control::placeholder {
  color: var(--text-color-lighter);
  opacity: 1;
}

/* Tabs Component - Modern design */
.tab-container {
  display: flex;
  flex-direction: column;
}

.tab-buttons {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--spacing-lg);
}

.tab-button {
  padding: var(--spacing-md) var(--spacing-lg);
  border: 1px solid transparent;
  background: none;
  color: var(--text-color-light);
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
}

.tab-button.active,
.tab-button:hover {
  color: var(--primary-color);
  border-bottom: 2px solid var(--primary-color);
}

.tab-button.active {
  font-weight: 600;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  animation: fadeIn 0.3s ease-in-out;
}

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

/* Accordion Component - Modern design */
.accordion-item {
  border: 1px solid var(--border-color-light);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-sm);
  overflow: hidden;
}

.accordion-header {
  margin: 0;
}

.accordion-button {
  display: flex;
  align-items: center;
  width: 100%;
  padding: var(--spacing-lg);
  font-size: var(--font-size-lg);
  color: var(--text-color);
  text-align: left;
  background-color: var(--gray-50);
  border: 0;
  border-radius: 0;
  transition: all var(--transition-base);
}

.accordion-button:hover {
  background-color: var(--gray-100);
}

.accordion-button:not(.collapsed) {
  color: var(--primary-color);
  background-color: var(--white);
}

.accordion-button:not(.collapsed)::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%230072ce'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
}

.accordion-button::after {
  flex-shrink: 0;
  width: var(--font-size-lg);
  height: var(--font-size-lg);
  margin-left: auto;
  content: "";
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23212529'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
  transition: transform var(--transition-base);
}

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

/* Modal Component - Modern design */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-index-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal.show {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background-color: var(--white);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(-20px);
  transition: transform var(--transition-base);
}

.modal.show .modal-dialog {
  transform: translateY(0);
}

.modal-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  margin: 0;
  font-size: var(--font-size-xl);
}

.modal-close {
  background: none;
  border: none;
  font-size: var(--font-size-xxl);
  cursor: pointer;
  color: var(--text-color-light);
}

.modal-body {
  padding: var(--spacing-lg);
}

.modal-footer {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
}

/* Call to Action Section - Standout design */
.cta-section {
  padding: var(--spacing-xxl) 0;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-color-dark) 100%);
  color: var(--white);
  text-align: center;
}

.cta-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.cta-title {
  font-size: var(--font-size-xxxl);
  margin-bottom: var(--spacing-md);
  color: var(--white);
}

.cta-description {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xl);
  color: rgba(255, 255, 255, 0.9);
}

.cta-buttons {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  justify-content: center;
}

@media (max-width: 767.98px) {
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
  }
}

/* Testimonial Component */
.testimonial {
  background-color: var(--gray-50);
  padding: var(--spacing-xxl) 0;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
}

.testimonial-card {
  background-color: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  text-align: center;
  position: relative;
}

.testimonial-card::before {
  content: """;
  position: absolute;
  top: -30px;
  left: 20px;
  font-size: 80px;
  color: var(--primary-color-light);
  font-family: serif;
  line-height: 1;
  opacity: 0.2;
}

.testimonial-content {
  margin-bottom: var(--spacing-md);
  font-style: italic;
  color: var(--text-color-light);
  position: relative;
  z-index: 1;
}

.testimonial-author {
  font-weight: 600;
  color: var(--primary-color);
}

.testimonial-position {
  color: var(--text-color-lighter);
  font-size: var(--font-size-sm);
}

/* Feature Grid - Highlighting key features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin: var(--spacing-xxl) 0;
}

.feature-card {
  text-align: center;
  padding: var(--spacing-xl);
  background-color: var(--white);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color-light);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.feature-icon {
  margin: 0 auto var(--spacing-md);
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-color-light));
  border-radius: var(--border-radius-full);
  color: var(--white);
  font-size: var(--font-size-xxl);
}

.feature-title {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-lg);
}

.feature-description {
  color: var(--text-color-light);
  line-height: var(--line-height-base);
}

/* Newsletter Signup Component */
.newsletter {
  background-color: var(--primary-color);
  color: var(--white);
  padding: var(--spacing-xxl) 0;
  text-align: center;
}

.newsletter-content {
  max-width: 600px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.newsletter-title {
  font-size: var(--font-size-xxl);
  margin-bottom: var(--spacing-sm);
  color: var(--white);
}

.newsletter-description {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-xl);
  color: rgba(255, 255, 255, 0.9);
}

.newsletter-form {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  justify-content: center;
}

.newsletter-input {
  flex: 1;
  min-width: 250px;
  padding: var(--spacing-md) var(--spacing-lg);
  border: none;
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-base);
}

.newsletter-button {
  padding: var(--spacing-md) var(--spacing-xl);
  background-color: var(--accent-color);
  color: var(--white);
  border: none;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  font-size: var(--font-size-base);
  font-weight: 500;
  transition: background-color var(--transition-base);
}

.newsletter-button:hover {
  background-color: var(--accent-color-dark);
}

/* Client Logos Carousel */
.clients {
  padding: var(--spacing-xxl) 0;
  background-color: var(--gray-50);
  text-align: center;
}

.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-xl);
  align-items: center;
}

.client-logo {
  filter: grayscale(100%) opacity(0.6);
  transition: all var(--transition-base);
  max-width: 120px;
  margin: 0 auto;
  display: block;
}

.client-logo:hover {
  filter: grayscale(0%) opacity(1);
  transform: scale(1.1);
}

/* Statistics Counter */
.stats {
  padding: var(--spacing-xxl) 0;
  background-color: var(--primary-color);
  color: var(--white);
  text-align: center;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
}

.stat-item {
  color: var(--white);
}

.stat-number {
  font-size: var(--font-size-xxxxl);
  font-weight: 700;
  display: block;
  margin-bottom: var(--spacing-sm);
}

.stat-label {
  font-size: var(--font-size-lg);
  opacity: 0.9;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  width: 44px;
  height: 44px;
  background-color: var(--primary-color);
  color: var(--white);
  border: none;
  border-radius: var(--border-radius-full);
  cursor: pointer;
  z-index: var(--z-index-sticky);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--primary-color-dark);
  transform: translateY(-3px);
}

/* Custom scrollbar for modern look */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
  border-radius: var(--border-radius-full);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-400);
  border-radius: var(--border-radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-600);
}

/* Focus styles for accessibility */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--primary-color);
  color: white;
  padding: 8px;
  text-decoration: none;
  border-radius: var(--border-radius-md);
  z-index: var(--z-index-tooltip);
  transition: top 0.3s;
}

.skip-link:focus {
  top: 6px;
}