/* Mobile-only enhancement layer. Keeps original styles intact and applies only on smaller screens. */
@media (max-width: 991px) {
  :root {
    --mobile-dock-height: 64px;
  }

  html,
  body {
    max-width: 100%;
    overflow-x: hidden;
  }

  body {
    padding-bottom: calc(var(--mobile-dock-height) + 20px);
  }

  #header {
    height: auto;
    min-height: 100vh;
    align-items: flex-start;
    padding: 74px 0 26px;
  }

  #header .container {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    padding-top: 12px;
    padding-bottom: 10px;
  }

  #header h1 {
    font-size: clamp(28px, 8vw, 36px);
    line-height: 1.2;
  }

  #header h2 {
    font-size: clamp(17px, 4.6vw, 20px);
    line-height: 1.45;
    margin-top: 14px;
  }

  #header .social-links {
    flex-wrap: wrap;
    margin-top: 18px;
  }

  .arrow-container {
    display: none;
  }

  section {
    padding-top: 54px;
    scroll-margin-top: 74px;
  }

  section .container {
    padding: 22px 14px;
  }

  .services .icon-box {
    margin: 10px 0;
    padding: 24px 16px;
  }

  .interests .icon-box {
    min-height: 84px;
  }

  /* Override hardcoded inline desktop coordinates in certification cards. */
  #education .portfolio .portfolio-container[style] {
    position: static !important;
    height: auto !important;
  }

  #education .portfolio .portfolio-item[style] {
    position: relative !important;
    left: auto !important;
    top: auto !important;
  }

  .portfolio .portfolio-wrap .portfolio-info::before,
  .portfolio .portfolio-wrap .portfolio-info::after {
    width: 30px;
    height: 30px;
  }

  #skills .icon-box p {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
  }

  #skills .icon-box p img {
    max-width: min(40vw, 140px);
    height: auto;
  }

  .contact .info-box i.bx {
    float: none;
    display: inline-flex;
    margin-bottom: 10px;
  }

  .contact .info-box h3,
  .contact .info-box p,
  .contact .info-box .social-links {
    margin-left: 0;
  }

  .contact .php-email-form {
    padding: 20px 14px;
  }

  .theme-toggle {
    top: 12px;
    right: 10px;
  }

  .mobile-nav-toggle {
    top: 12px;
    right: 58px;
  }

  .mobile-quick-nav {
    position: fixed;
    left: 50%;
    bottom: 10px;
    transform: translateX(-50%);
    width: min(96vw, 480px);
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 6px;
    z-index: 10020;
    padding: 8px;
    border-radius: 14px;
    background: color-mix(in srgb, var(--surface-background) 88%, transparent);
    border: 1px solid color-mix(in srgb, var(--text-color) 14%, transparent);
    backdrop-filter: blur(10px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.24);
  }

  .mobile-quick-nav__link {
    min-height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    font-size: 12px;
    font-weight: 600;
    text-align: center;
    padding: 6px 4px;
    background: color-mix(in srgb, var(--surface-tint) 84%, transparent);
    border: 1px solid transparent;
  }

  .mobile-quick-nav__link.is-active {
    border-color: var(--accent-color);
    color: var(--accent-color);
  }
}

@media (max-width: 430px) {
  .mobile-quick-nav {
    grid-template-columns: repeat(4, 1fr);
  }

  .mobile-quick-nav__link--resume {
    grid-column: span 2;
  }
}