/* =========================================================
   Responsive rules
   ========================================================= */

@media (max-width: 1100px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-card {
    max-width: 620px;
  }

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

  .process-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .process-step:nth-child(3) {
    border-right: 0;
  }

  .process-step:nth-child(4),
  .process-step:nth-child(5) {
    padding-top: 28px;
    border-top: 1px solid var(--line);
  }

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

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

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

  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }

  .footer-col:last-child {
    grid-column: span 3;
  }

  .role-diagram {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .role-diagram .role-arrow {
    transform: rotate(90deg);
  }
}

@media (max-width: 980px) {
  .main-nav,
  .header-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .mobile-menu {
    display: block;
  }

  .service-section {
    grid-template-columns: 1fr;
  }

  .service-aside {
    position: static;
  }

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

  .split,
  .split--wide,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .media-collage {
    min-height: 440px;
  }

  .media-frame--portrait {
    width: 100%;
    max-height: 560px;
  }

  .membership-band {
    grid-template-columns: 1fr;
  }

  .service-nav {
    top: 64px;
  }
}

@media (max-width: 900px) {
  .section-head {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .why-china-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .why-stats {
    max-width: 560px;
  }

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

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

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

  .timeline-item {
    grid-template-columns: 80px 1fr;
    gap: 20px;
  }

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

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

  .process-grid {
    grid-template-columns: 1fr;
    border-top: 0;
  }

  .process-step {
    margin-left: 8px;
    padding: 0 0 32px 28px;
    border-right: 0;
    border-left: 1px solid var(--line);
  }

  .process-step::before {
    top: 4px;
    left: -5px;
  }

  .process-step:nth-child(4),
  .process-step:nth-child(5) {
    padding-top: 0;
    border-top: 0;
  }

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

@media (max-width: 720px) {
  .container {
    width: min(calc(100% - 40px), var(--container));
  }

  .hero {
    min-height: 720px;
    padding-top: 140px;
  }

  .hero--page {
    min-height: 540px;
  }

  .hero h1 {
    font-size: clamp(2.8rem, 12vw, 4.2rem);
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-card {
    padding: 22px;
  }

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

  .trust-item {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .trust-item:nth-child(odd) {
    border-right: 1px solid var(--line);
  }

  .trust-item:nth-child(3),
  .trust-item:nth-child(4) {
    border-bottom: 0;
  }

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

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

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

  .values-grid,
  .criteria-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-col:last-child {
    grid-column: span 2;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
  }

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

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .timeline-num {
    font-size: 1.8rem;
  }

  .role-diagram {
    grid-template-columns: 1fr;
  }

  .role-diagram .role-arrow {
    transform: rotate(90deg);
  }

  .page-hero {
    min-height: 520px;
  }

  .cta h2 {
    font-size: clamp(2.4rem, 10vw, 3.6rem);
  }

  .media-collage {
    min-height: 380px;
  }

  .media-collage-main {
    width: 88%;
    height: 76%;
  }

  .media-collage-inset {
    width: 52%;
    border-width: 6px;
  }

  .faq-answer {
    padding-right: 0;
  }

  .service-nav {
    top: 60px;
  }

  .service-section {
    scroll-margin-top: 136px;
  }
}

@media (max-width: 480px) {
  .trust-grid {
    grid-template-columns: 1fr;
  }

  .trust-item,
  .trust-item:nth-child(odd) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .trust-item:last-child {
    border-bottom: 0;
  }

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

  .footer-col:last-child {
    grid-column: auto;
  }

  .hero-stat {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }

  .hero-stat strong {
    font-size: 2rem;
  }

  .membership-band {
    padding: 24px;
  }

  .btn {
    padding-inline: 20px;
  }
}