/* Layout - Monochrome Theme */

/* Header / Navigation */
.header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  z-index: 50;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-foreground);
}

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

.logo-icon {
  flex-shrink: 0;
}

.nav {
  display: none;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-8);
}

.nav-link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-foreground);
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-muted-foreground);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}

/* Mobile Menu Button */
.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 20px;
  height: 20px;
  padding: 0;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-foreground);
  transition: all var(--transition-fast);
}

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

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

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

/* Mobile Navigation */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background-color: var(--color-background);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-4);
  z-index: 50;
}

.mobile-nav.active {
  display: block;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.mobile-nav-link {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-foreground);
}

/* Main Content */
main {
  flex: 1;
}

/* Hero Section */
.hero {
  background-color: var(--color-secondary);
  padding: var(--spacing-20) 0;
}

.hero-content {
  max-width: 768px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  background-color: var(--color-background);
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  margin-bottom: var(--spacing-6);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
}

.hero-badge-text {
  font-size: var(--font-size-sm);
  color: var(--color-foreground);
}

.hero-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-foreground);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-6);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-muted-foreground);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-8);
}

.hero-cta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

/* Stats Section */
.stats-section {
  padding: var(--spacing-16) 0;
  background-color: var(--color-background);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-8);
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-foreground);
  margin-bottom: var(--spacing-2);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-muted-foreground);
}

/* Features Section */
.features-section {
  padding: var(--spacing-20) 0;
  background-color: var(--color-muted);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-16);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-foreground);
  margin-bottom: var(--spacing-4);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-muted-foreground);
  max-width: 640px;
  margin: 0 auto;
  line-height: var(--line-height-relaxed);
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-6);
}

.feature-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-6);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background-color: rgba(23, 23, 23, 0.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-4);
}

.feature-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
}

.feature-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-card-foreground);
  margin-bottom: var(--spacing-2);
}

.feature-description {
  font-size: var(--font-size-sm);
  color: var(--color-muted-foreground);
  line-height: var(--line-height-relaxed);
}

/* Services Section */
.services-section {
  padding: var(--spacing-20) 0;
  background-color: var(--color-background);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-6);
}

.service-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-8);
  transition: box-shadow var(--transition-fast);
}

.service-card:hover {
  box-shadow: var(--shadow-lg);
}

.service-icon {
  width: 40px;
  height: 40px;
  color: var(--color-primary);
  margin-bottom: var(--spacing-4);
}

.service-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-card-foreground);
  margin-bottom: var(--spacing-3);
}

.service-description {
  font-size: var(--font-size-base);
  color: var(--color-muted-foreground);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-6);
}

.service-list {
  margin-bottom: var(--spacing-6);
}

.service-list-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-3);
}

.service-list-item svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.service-list-item span {
  font-size: var(--font-size-sm);
  color: var(--color-muted-foreground);
}

/* Service Card Toggle */
.service-card-header {
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.service-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  width: 100%;
  padding: var(--spacing-3) 0;
  margin-top: var(--spacing-4);
  border: none;
  background: none;
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.service-toggle-btn:hover {
  color: var(--color-foreground);
}

.service-toggle-btn svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.service-card.expanded .service-toggle-btn svg {
  transform: rotate(180deg);
}

.service-details {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, opacity 0.3s ease-out;
  opacity: 0;
}

.service-card.expanded .service-details {
  max-height: 500px;
  opacity: 1;
  transition: max-height 0.3s ease-in, opacity 0.3s ease-in;
}

.service-details-inner {
  padding-top: var(--spacing-4);
  border-top: 1px solid var(--color-border);
  margin-top: var(--spacing-4);
}

/* Testimonials Section */
.testimonials-section {
  padding: var(--spacing-20) 0;
  background-color: var(--color-muted);
  overflow: hidden;
}

.testimonials-slider {
  width: 100%;
  overflow: hidden;
  margin-top: var(--spacing-8);
}

.testimonials-track {
  display: flex;
  gap: var(--spacing-6);
  animation: scroll 60s linear infinite;
  width: max-content;
}

.testimonials-track:hover {
  animation-play-state: paused;
}

@keyframes scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(calc(-320px * 30 - var(--spacing-6) * 30));
  }
}

.testimonial-card {
  flex-shrink: 0;
  width: 320px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-6);
  transition: box-shadow var(--transition-fast);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-lg);
}

.testimonial-stars {
  margin-bottom: var(--spacing-3);
}

.testimonial-stars span {
  color: #f59e0b;
  font-size: var(--font-size-base);
  letter-spacing: 2px;
}

.testimonial-content {
  font-size: var(--font-size-sm);
  color: var(--color-muted-foreground);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-4);
  min-height: 60px;
}

.testimonial-author {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-card-foreground);
}

.testimonial-role {
  font-size: var(--font-size-xs);
  color: var(--color-muted-foreground);
}

/* CTA Section */
.cta-section {
  background-color: var(--color-primary);
  padding: var(--spacing-20) 0;
  text-align: center;
}

.cta-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-foreground);
  margin-bottom: var(--spacing-4);
}

.cta-subtitle {
  font-size: var(--font-size-lg);
  color: rgba(250, 250, 250, 0.9);
  max-width: 640px;
  margin: 0 auto var(--spacing-8);
  line-height: var(--line-height-relaxed);
}

/* Footer */
.footer {
  background-color: var(--color-muted);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-12) 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-12);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-foreground);
  margin-bottom: var(--spacing-4);
}

.footer-logo-icon {
  flex-shrink: 0;
}

.footer-description {
  font-size: var(--font-size-sm);
  color: var(--color-muted-foreground);
  line-height: var(--line-height-relaxed);
}

.footer-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-foreground);
  margin-bottom: var(--spacing-4);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.footer-links-2col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-2) var(--spacing-4);
}

.footer-link {
  font-size: var(--font-size-sm);
  color: var(--color-muted-foreground);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  padding-top: var(--spacing-8);
  border-top: 1px solid var(--color-border);
}

.footer-copyright {
  font-size: var(--font-size-sm);
  color: var(--color-muted-foreground);
  text-align: center;
}