@media (prefers-color-scheme: light) {
  :root {
    --bg: #f8fafc;
    --text: #0b0c0f;
    --muted: #4b5563;
    --card: #ffffff;
  }

  .navbar.is-dark.navbar--scrolled {
    background: rgba(255,255,255,0.8);
  }
}

@media screen and (max-width: 1023px) {
  .has-text-centered-touch { text-align: center !important; }
  body.nav-open {
    overflow: hidden;
    touch-action: none;
  }

  .navbar {
    padding: 0;
  }

  .navbar.is-dark {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 950;
    background: transparent;
    box-shadow: none;
    transition: background 200ms ease, box-shadow 200ms ease;
  }

  .navbar.is-dark.navbar--mobile-open {
    background: linear-gradient(180deg, rgba(9, 10, 13, 0.98) 0%, rgba(9, 10, 13, 0.94) 45%, rgba(9, 10, 13, 0.9) 100%);
    box-shadow: 0 14px 38px rgba(0, 0, 0, 0.6);
  }

  .navbar-brand {
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 0.5rem 0.75rem;
  }

  .navbar-brand .navbar-item.brand-mark {
    margin-right: auto;
  }

  .navbar-burger {
    display: inline-flex;
    position: fixed;
    top: 0.75rem;
    right: 1rem;
    z-index: 960;
    pointer-events: auto;
  }

  .navbar-menu {
    position: fixed;
    top: 3.5rem;
    left: 0;
    right: 0;
    bottom: 0;
    margin: 0;
    padding: 1.5rem 1.75rem 3.5rem;
    background: rgba(6, 7, 10, 0.96);
    border-top: 1px solid rgba(var(--accent-rgb), 0.2);
    backdrop-filter: blur(18px) saturate(135%);
    display: none;
    pointer-events: auto;
    overflow-y: auto;
    z-index: 940;
  }

  .navbar-menu .navbar-end {
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  .navbar-menu .navbar-item {
    position: relative;
    justify-content: flex-start;
    font-size: 1.05rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.75rem 0.5rem;
    border-radius: calc(var(--radius) * 1.5);
    background: rgba(255, 255, 255, 0.02);
    transition: background 160ms ease, color 160ms ease, transform 160ms ease;
  }

  .navbar-menu .navbar-item::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    border: 1px solid rgba(var(--accent-rgb), 0.28);
    opacity: 0;
    transition: opacity 160ms ease;
  }

  .navbar-menu .navbar-item:hover,
  .navbar-menu .navbar-item:focus {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text);
    transform: translateY(-1px);
  }

  .navbar-menu .navbar-item:hover::after,
  .navbar-menu .navbar-item:focus::after {
    opacity: 0.6;
  }

  .navbar.is-dark.navbar--mobile-open .navbar-menu,
  .navbar-menu.is-active {
    display: block;
  }

  .hero .columns.is-centered {
    margin-left: 0;
    margin-right: 0;
  }

  .hero .columns {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
  }

  .hero .columns > .column {
    display: flex;
    justify-content: center;
  }

  .hero .profile-card,
  .hero-side-panel {
    width: 100%;
    max-width: 28rem;
  }
}

@media screen and (min-width: 769px) {
  .has-text-right-tablet { text-align: right !important; }
  .column.is-10-tablet { flex: 0 0 83.333%; max-width: 83.333%; }
  .column.is-offset-1-tablet { margin-left: 8.333%; }
  .column.is-6 { flex: 0 0 50%; max-width: 50%; }
}

@media screen and (max-width: 768px) {
  .background-animation::after {
    opacity: 0.25;
  }

  body[data-page="home"] main,
  body[data-page="contact"] main {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  body[data-page="home"] .hero-body {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }

  body[data-page="contact"] .section {
    padding-top: 3rem;
    padding-bottom: 3rem;
  }

  body[data-page="contact"] .contact-grid {
    margin-top: 2rem;
  }

  .hero .container {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

  .hero-side-panel,
  .content-panel {
    padding: var(--space-5);
  }

  .navbar-menu {
    background: rgba(17, 19, 24, 0.94);
    border-radius: var(--radius);
    padding: 1rem;
    border: 1px solid rgba(var(--primary-rgb), 0.25);
    box-shadow: 0 18px 32px rgba(0, 0, 0, 0.35);
  }

  .hero-body {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }

  .profile-card {
    padding: 1.5rem;
  }

  .timeline::before {
    left: 8px;
    transform: none;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    padding-left: 2rem;
  }

  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content {
    margin: 0;
    grid-column: 1 / -1;
  }

  .timeline-dot {
    left: 8px;
  }
}

@media screen and (min-width: 1024px) {
  .hero-body {
    padding-top: 7rem;
    padding-bottom: 7rem;
  }

  .column.is-5-desktop { flex: 0 0 41.666%; max-width: 41.666%; }
  .column.is-6-desktop { flex: 0 0 50%; max-width: 50%; }
  .column.is-8-desktop { flex: 0 0 66.666%; max-width: 66.666%; }
  .column.is-offset-2-desktop { margin-left: 16.666%; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .background-animation {
    display: none;
  }
}