/**
 * Pharma Commercial Intelligence & Analytics Program
 * Responsive & Mobile Adaptation Stylesheet
 */

/* Laptops & Medium Screens (max-width: 1200px) */
@media (max-width: 1200px) {
  .nav-links {
    gap: 1rem;
  }
  .nav-link {
    font-size: 0.76rem;
    letter-spacing: 0.3px;
  }
  .btn-header-watch {
    padding: 0.5rem 0.85rem;
    font-size: 0.75rem;
  }
  .btn-header-enroll {
    padding: 0.5rem 1rem;
    font-size: 0.78rem;
  }
}

/* Tablets & Small Desktops (max-width: 1024px) */
@media (max-width: 1024px) {
  .header-nav {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .nav-links {
    position: fixed;
    top: 84px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    flex-direction: column;
    padding: 2.5rem 1.5rem;
    gap: 1rem;
    transform: translateY(-150%);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 999;
    border-bottom: 2px solid var(--border-gold);
    overflow-y: auto;
    direction: ltr;
    display: flex;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.1);
  }

  .nav-links.open {
    transform: translateY(0);
  }

  .nav-link {
    font-size: 1.05rem;
    width: 100%;
    text-align: center;
    padding: 0.85rem 1rem;
    border-radius: var(--radius-md);
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    color: var(--text-main);
  }

  .mobile-drawer-ctas {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    width: 100%;
    margin-top: 0.5rem;
  }

  .mobile-drawer-ctas .btn {
    width: 100%;
    padding: 0.9rem;
    font-size: 1rem;
  }

  .fact-strip {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 1.5rem;
  }
  
  .fact-item:nth-child(3)::after {
    display: none;
  }
  
  .learn-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .audience-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .tech-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .apps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .certificate-wrapper {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* Tablets & Large Mobile Devices (max-width: 768px) */
@media (max-width: 768px) {
  .header-container {
    gap: 0.75rem;
    height: 76px;
  }

  .brand-logo-img {
    width: 36px;
    height: 36px;
  }

  .brand-name {
    font-size: 0.92rem;
    letter-spacing: 0.5px;
  }

  .brand-tagline {
    font-size: 0.6rem;
    display: none; /* Hide secondary tagline on very small screens to maintain clean spacing */
  }

  .header-cta-group {
    order: 2;
  }

  .btn-header-enroll {
    padding: 0.48rem 0.95rem;
    font-size: 0.75rem;
    letter-spacing: 0.4px;
  }

  .mobile-menu-btn {
    order: 3;
    padding: 0.45rem;
  }

  .section {
    padding: 3.5rem 0;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .hero-title {
    font-size: 2.15rem;
  }

  .hero-subtitle {
    font-size: 1.15rem;
  }

  .hero-desc {
    font-size: 1rem;
    line-height: 1.7;
  }

  /* Grids adjustments */
  .problem-grid {
    grid-template-columns: 1fr;
  }

  .transformation-comparison {
    grid-template-columns: 1fr;
  }

  .learn-grid {
    grid-template-columns: 1fr;
  }

  .how-it-works-grid {
    grid-template-columns: 1fr;
  }

  .audience-grid {
    grid-template-columns: 1fr;
  }

  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .apps-grid {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-group.full-width {
    grid-column: span 1;
  }

  .payment-methods-grid {
    grid-template-columns: 1fr;
  }

  .payment-steps-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .video-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .mobile-sticky-cta {
    display: flex;
  }

  body {
    padding-bottom: 70px; /* Space for sticky mobile CTA */
  }

  .form-wrapper-card {
    padding: 1.75rem 1.25rem;
  }

  .pricing-card {
    padding: 2.5rem 1.5rem;
  }

  .capstone-showcase {
    padding: 2rem 1.25rem;
  }

  .module-header {
    padding: 1.25rem 1rem;
  }

  .lecture-list {
    padding: 1rem;
  }

  .lecture-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}

/* Small Mobile Screens (max-width: 480px) */
@media (max-width: 480px) {
  .fact-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .fact-item:nth-child(2)::after,
  .fact-item:nth-child(4)::after {
    display: none;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }

  .hero-cta-group .btn {
    width: 100%;
  }

  .price-amount {
    font-size: 3rem;
  }

  .payment-steps-list {
    grid-template-columns: 1fr;
  }
}