/* ============================================
   NUMERIS - Layout (Header, Footer, Navigation)
   ============================================ */

/* ==================== HEADER ==================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  z-index: var(--z-fixed);
  transition: all var(--transition-base);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.nav-logo {
  display: flex;
  align-items: center;
  font-weight: 800;
  font-size: var(--text-2xl);
  color: var(--color-primary);
  font-family: var(--font-heading);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.logo-text {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-image {
  height: 50px;
  width: auto;
  object-fit: contain;
}

.footer-logo .logo-image {
  height: 60px;
  width: auto;
  object-fit: contain;
  filter: brightness(1.2);
}

/* Navigation Menu */
.nav-list {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.nav-link {
  padding: var(--spacing-2) var(--spacing-4);
  color: var(--color-gray-700);
  font-weight: 500;
  font-size: var(--text-base);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--color-primary);
  background: var(--color-gray-50);
}

.nav-link.active {
  color: var(--color-primary);
  font-weight: 600;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 3px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

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

.nav-toggle,
.nav-close {
  display: none;
  font-size: var(--text-2xl);
  color: var(--color-gray-700);
  cursor: pointer;
}

/* Main Content Spacing */
.main-content {
  margin-top: 80px;
  min-height: calc(100vh - 80px);
}

/* ==================== STICKY CTA ==================== */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  box-shadow: var(--shadow-xl);
  z-index: var(--z-sticky);
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

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

.sticky-cta-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4) 0;
  gap: var(--spacing-4);
}

.sticky-cta-text {
  display: flex;
  flex-direction: column;
  color: var(--color-white);
}

.sticky-cta-text strong {
  font-size: var(--text-lg);
  font-weight: 700;
}

.sticky-cta-text span {
  font-size: var(--text-sm);
  opacity: 0.9;
}

.sticky-cta-actions {
  display: flex;
  gap: var(--spacing-3);
}

/* ==================== FOOTER ==================== */
.footer {
  background: var(--color-gray-900);
  color: var(--color-gray-300);
  margin-top: auto;
}

.footer-top {
  padding: var(--spacing-16) 0 var(--spacing-12);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-8);
}

.footer-logo {
  margin-bottom: var(--spacing-4);
}

.footer-logo .logo-text {
  font-size: var(--text-3xl);
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-white));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-description {
  color: var(--color-gray-400);
  line-height: 1.7;
  margin-bottom: var(--spacing-5);
}

.footer-social {
  display: flex;
  gap: var(--spacing-3);
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gray-800);
  color: var(--color-gray-300);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.footer-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--spacing-4);
}

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

.footer-links a {
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-primary-light);
  padding-left: var(--spacing-2);
}

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

.footer-contact li {
  display: flex;
  gap: var(--spacing-3);
  color: var(--color-gray-400);
  line-height: 1.6;
}

.footer-contact i {
  color: var(--color-primary-light);
  width: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-contact a {
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

.footer-contact a:hover {
  color: var(--color-primary-light);
}

.footer-bottom {
  border-top: 1px solid var(--color-gray-800);
  padding: var(--spacing-6) 0;
}

.footer-bottom-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-4);
}

.footer-copyright {
  color: var(--color-gray-500);
  font-size: var(--text-sm);
  margin: 0;
}

.footer-legal {
  display: flex;
  gap: var(--spacing-4);
  font-size: var(--text-sm);
}

.footer-legal a {
  color: var(--color-gray-500);
  transition: color var(--transition-fast);
}

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

.footer-legal .separator {
  color: var(--color-gray-700);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1023px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background: var(--color-white);
    box-shadow: var(--shadow-2xl);
    padding: var(--spacing-8) var(--spacing-6);
    transition: right var(--transition-base);
    z-index: var(--z-modal);
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-2);
    margin-top: var(--spacing-8);
  }

  .nav-link {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
  }

  .nav-link.active::after {
    display: none;
  }

  .nav-close {
    display: block;
    position: absolute;
    top: var(--spacing-6);
    right: var(--spacing-6);
  }

  .nav-toggle {
    display: block;
  }

  .nav-actions .btn {
    display: none;
  }
}

@media (max-width: 767px) {
  .nav {
    height: 64px;
  }

  .main-content {
    margin-top: 64px;
  }

  .sticky-cta-content {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-3);
  }

  .sticky-cta-actions {
    width: 100%;
  }

  .sticky-cta-actions .btn {
    flex: 1;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-10);
  }

  .footer-bottom-content {
    flex-direction: column;
    text-align: center;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}