/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height-mobile);
  background-color: rgba(13, 9, 8, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--surface-3);
  z-index: 1000;
  box-shadow: var(--shadow-md);
}

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

.header-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

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

.header-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  display: none;
}

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

.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  display: none;
}

.nav-link:hover {
  color: var(--text-primary);
  background-color: var(--surface-2);
}

.nav-link:active {
  background-color: var(--surface-3);
}

.cta-button-small {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: var(--space-2) var(--space-4);
  background: linear-gradient(135deg, var(--color-crimson) 0%, var(--color-rust) 100%);
  color: var(--text-primary);
  font-weight: 600;
  font-size: var(--text-sm);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 2px solid var(--color-rust);
}

.cta-button-small:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, var(--color-crimson-light) 0%, var(--color-rust-light) 100%);
}

.cta-button-small:active {
  transform: translateY(0);
  box-shadow: var(--shadow-md);
}

@media (min-width: 768px) {
  .site-header {
    height: var(--header-height-desktop);
  }

  .header-title {
    display: block;
  }

  .nav-link {
    display: block;
  }
}

/* Download buttons */
.download-button,
.download-button-large {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  min-width: 44px;
  min-height: 44px;
  background-color: var(--surface-2);
  border: 2px solid var(--color-dust);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-weight: 600;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

.download-button:hover,
.download-button-large:hover {
  border-color: var(--color-rust);
  background-color: var(--surface-3);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.download-button:active,
.download-button-large:active {
  transform: translateY(0);
  box-shadow: var(--shadow-md);
}

.download-button.google-play,
.download-button-large.google-play {
  border-color: var(--color-rust);
  background: linear-gradient(135deg, var(--surface-2) 0%, var(--surface-3) 100%);
}

.download-button.google-play:hover,
.download-button-large.google-play:hover {
  background: linear-gradient(135deg, var(--surface-3) 0%, var(--surface-4) 100%);
}

.download-button.app-store,
.download-button-large.app-store {
  opacity: 0.55;
  filter: grayscale(0.6);
  cursor: not-allowed;
  background-color: #2a2a2a;
  border-color: #4a4a4a;
}

.download-button.app-store:hover,
.download-button-large.app-store:hover {
  transform: none;
  box-shadow: none;
  background-color: #2a2a2a;
  border-color: #4a4a4a;
}

.store-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.button-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.2;
}

.button-label {
  font-size: var(--text-xs);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
}

.button-store {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--text-primary);
}

.coming-soon-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background-color: var(--color-dust);
  color: var(--surface-0);
  font-size: 0.625rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Feature cards */
.feature-card {
  background-color: var(--surface-1);
  border: 2px solid var(--surface-3);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-base);
}

.feature-card:hover {
  border-color: var(--color-rust);
  background-color: var(--surface-2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-crimson) 0%, var(--color-rust) 100%);
  border-radius: var(--radius-circle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
}

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

.feature-title {
  margin-bottom: var(--space-3);
  color: var(--text-primary);
}

.feature-description {
  color: var(--text-tertiary);
  line-height: 1.7;
}

/* Footer */
.site-footer {
  background-color: var(--surface-1);
  border-top: 1px solid var(--surface-3);
  padding: var(--space-8) 0 var(--space-6);
  margin-top: var(--space-10);
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.footer-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
}

.footer-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-link {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  padding: var(--space-2) 0;
  min-height: 44px;
  display: flex;
  align-items: center;
}

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

.footer-contact {
  color: var(--text-tertiary);
  font-size: var(--text-sm);
}

.contact-link {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: all var(--transition-fast);
}

.contact-link:hover {
  color: var(--color-accent-bright);
  text-decoration-color: currentColor;
}

.footer-copyright {
  text-align: center;
  padding-top: var(--space-6);
  border-top: 1px solid var(--surface-3);
  color: var(--text-muted);
  font-size: var(--text-sm);
}

/* Floating CTA */
.floating-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-4) var(--container-padding);
  background: linear-gradient(to top, rgba(13, 9, 8, 0.98) 0%, rgba(13, 9, 8, 0.95) 70%, transparent 100%);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 999;
  opacity: 0;
  transform: translateY(100%);
  transition: all var(--transition-base);
  padding-bottom: max(var(--space-4), env(safe-area-inset-bottom));
}

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

.floating-cta-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  width: 100%;
  min-height: 56px;
  padding: var(--space-4);
  background: linear-gradient(135deg, var(--color-crimson) 0%, var(--color-rust) 100%);
  color: var(--text-primary);
  font-weight: 700;
  font-size: var(--text-lg);
  border-radius: var(--radius-full);
  border: 2px solid var(--color-rust);
  box-shadow: var(--shadow-xl);
  transition: all var(--transition-base);
  text-decoration: none;
}

.floating-cta-button svg {
  width: 24px;
  height: 24px;
}

.floating-cta-button:hover {
  background: linear-gradient(135deg, var(--color-crimson-light) 0%, var(--color-rust-light) 100%);
  transform: scale(1.02);
}

.floating-cta-button:active {
  transform: scale(0.98);
}

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

  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}