/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 48px;
  background-color: rgba(5, 7, 12, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(45, 212, 191, 0.1);
  z-index: var(--z-header);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  height: 100%;
  padding: 0 var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.header-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
}

.header-name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

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

.nav-link {
  display: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

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

.nav-cta {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-terracotta), var(--color-cyan-dark));
  border-radius: var(--radius-full);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-cyan);
}

.cta-icon {
  width: 20px;
  height: 20px;
  color: var(--color-text-primary);
}

@media (min-width: 768px) {
  .site-header {
    height: 64px;
  }
  
  .header-icon {
    width: 40px;
    height: 40px;
  }
  
  .nav-link {
    display: block;
  }
  
  .nav-cta {
    display: none;
  }
}

/* Download Buttons */
.download-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.store-button {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  min-height: 56px;
  background-color: var(--color-surface-2);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  text-align: left;
  width: 100%;
}

.store-button-google {
  background: linear-gradient(135deg, var(--color-terracotta), var(--color-terracotta-dark));
  border-color: rgba(212, 115, 74, 0.3);
}

.store-button-google:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-terracotta);
  border-color: var(--color-terracotta);
}

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

.store-button-apple {
  position: relative;
  background-color: var(--color-disabled-bg);
  border-color: rgba(255, 255, 255, 0.1);
  opacity: 0.55;
  filter: grayscale(0.6);
}

.store-button-apple:hover {
  transform: none;
  box-shadow: none;
}

.store-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.store-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.store-line-1 {
  font-size: 11px;
  font-weight: var(--font-weight-normal);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.store-line-2 {
  font-size: 18px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.coming-soon-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  padding: 4px 8px;
  background-color: var(--color-surface-3);
  color: var(--color-text-tertiary);
  font-size: 10px;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.download-buttons-large .store-button {
  min-height: 64px;
}

@media (min-width: 768px) {
  .download-buttons {
    flex-direction: row;
    justify-content: center;
  }
  
  .store-button {
    width: auto;
    min-width: 200px;
  }
}

/* Feature Cards */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.feature-card {
  position: relative;
  padding: var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-surface-1) 0%, var(--color-surface-2) 100%);
  border: 1px solid rgba(45, 212, 191, 0.1);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(24px);
  transition: all var(--transition-slow);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(45, 212, 191, 0.05) 0%, transparent 100%);
  border-radius: var(--radius-lg);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.feature-icon-well {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-surface-3), var(--color-surface-4));
  border: 2px solid rgba(45, 212, 191, 0.2);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  position: relative;
  z-index: 1;
}

.feature-icon {
  width: 28px;
  height: 28px;
  color: var(--color-cyan);
}

.feature-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-sm);
  position: relative;
  z-index: 1;
}

.feature-description {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  position: relative;
  z-index: 1;
}

@media (min-width: 768px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Section Styles */
.section-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--spacing-3xl) var(--spacing-md);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  text-align: center;
  margin-bottom: var(--spacing-md);
  background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

/* About Section */
.about {
  background-color: var(--color-surface-1);
}

.about-content {
  max-width: 800px;
  margin: var(--spacing-2xl) auto 0;
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.about-content p {
  margin-bottom: var(--spacing-lg);
}

.contact-info {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(45, 212, 191, 0.1);
  font-size: var(--font-size-base);
}

/* Footer */
.site-footer {
  background-color: var(--color-surface-2);
  border-top: 1px solid rgba(45, 212, 191, 0.1);
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--spacing-2xl) var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  text-align: center;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
}

.footer-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
}

.footer-name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.footer-contact a {
  color: var(--color-cyan);
  font-size: var(--font-size-base);
}

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

.footer-legal a {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  transition: color var(--transition-fast);
}

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

.footer-copyright {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  margin-top: var(--spacing-md);
}

@media (min-width: 768px) {
  .footer-inner {
    text-align: left;
  }
  
  .footer-brand {
    flex-direction: row;
  }
  
  .footer-legal {
    justify-content: flex-start;
  }
}

/* Floating CTA (Mobile Only) */
.floating-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-md);
  background: linear-gradient(to top, rgba(5, 7, 12, 0.98) 0%, rgba(5, 7, 12, 0.95) 50%, transparent 100%);
  backdrop-filter: blur(12px);
  z-index: var(--z-floating-cta);
  opacity: 0;
  transform: translateY(100%);
  transition: all var(--transition-base);
  pointer-events: none;
}

.floating-cta.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.floating-cta-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  background: linear-gradient(135deg, var(--color-terracotta), var(--color-cyan-dark));
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-xl);
  transition: all var(--transition-fast);
  min-height: 56px;
}

.floating-cta-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl), var(--shadow-glow-cyan);
}

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

.floating-cta-icon {
  width: 20px;
  height: 20px;
}

@media (min-width: 768px) {
  .floating-cta {
    display: none;
  }
}