/* ============================================================
   DESKTOP.CSS — UX améliorations desktop uniquement
   Breakpoint minimum : 1025px
   ============================================================ */

@media (min-width: 1025px) {

  /* ══════════════════════════════════════════
     SCROLL PROGRESS BAR
  ══════════════════════════════════════════ */
  #scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 2px;
    width: 0%;
    background: linear-gradient(90deg, var(--clr-blue), var(--clr-cyan));
    z-index: 9999;
    transition: width 0.1s linear;
    pointer-events: none;
  }

  /* ══════════════════════════════════════════
     BACK TO TOP
  ══════════════════════════════════════════ */
  #back-to-top {
    position: fixed;
    bottom: var(--sp-8);
    right: var(--sp-8);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--clr-bg-card);
    border: 1px solid var(--clr-border);
    color: var(--clr-text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 500;
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.3s ease, transform 0.3s ease, border-color 0.2s ease, color 0.2s ease;
    pointer-events: none;
  }
  #back-to-top.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
  }
  #back-to-top:hover {
    border-color: var(--clr-blue);
    color: var(--clr-blue);
    background: rgba(59,130,246,0.08);
  }

  /* ══════════════════════════════════════════
     NAV — Active link indicator
  ══════════════════════════════════════════ */
  .nav__link {
    position: relative;
  }
  .nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--clr-blue);
    border-radius: 2px;
    transform: scaleX(0);
    transition: transform 0.2s ease;
    transform-origin: left;
  }
  .nav__link.active::after,
  .nav__link:hover::after {
    transform: scaleX(1);
  }
  .nav__link.active {
    color: var(--clr-text-primary);
  }

  /* ══════════════════════════════════════════
     HERO — mieux utiliser l'espace large
  ══════════════════════════════════════════ */
  .hero__grid {
    grid-template-columns: 1fr 380px;
    gap: var(--sp-20);
  }

  .hero__photo-frame {
    width: 320px;
    height: 415px;
  }

  /* ══════════════════════════════════════════
     PROJECTS — 3 colonnes sur desktop
  ══════════════════════════════════════════ */
  #projects .projects__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Project cards — hover amélioré */
  .project-card {
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    cursor: default;
  }
  .project-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 48px rgba(59,130,246,0.12), 0 4px 16px rgba(0,0,0,0.3);
    border-color: rgba(59,130,246,0.4);
  }

  /* ══════════════════════════════════════════
     STACK — 9 colonnes sur large desktop
  ══════════════════════════════════════════ */
  #stack .stack__grid {
    grid-template-columns: repeat(9, 1fr);
  }

  /* Stack items — hover amélioré */
  .stack-item {
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  }
  .stack-item:hover {
    transform: translateY(-5px) scale(1.04);
    border-color: rgba(59,130,246,0.5);
    box-shadow: 0 8px 24px rgba(59,130,246,0.1);
  }
  .stack-item:hover .stack-item__name {
    color: var(--clr-blue);
  }
  .stack-item__name {
    transition: color 0.2s ease;
  }

  /* ══════════════════════════════════════════
     SKILLS — hover sur les catégories
  ══════════════════════════════════════════ */
  .skill-category {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }
  .skill-category:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.2);
  }

  /* ══════════════════════════════════════════
     CERTIFICATIONS — hover amélioré
  ══════════════════════════════════════════ */
  .cert-card {
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    border-left: 3px solid transparent;
  }
  .cert-card:hover {
    transform: translateX(6px);
    border-left-color: var(--clr-blue);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  }

  /* ══════════════════════════════════════════
     TIMELINE — hover items
  ══════════════════════════════════════════ */
  .timeline-item {
    transition: transform 0.2s ease;
  }
  .timeline-item:hover {
    transform: translateX(4px);
  }

  /* ══════════════════════════════════════════
     CONTACT — cartes plus larges, mieux centrées
  ══════════════════════════════════════════ */
  .contact__channels {
    grid-template-columns: repeat(2, 260px);
    justify-content: center;
    gap: var(--sp-6);
    max-width: none;
  }

  .contact__channel-card {
    padding: var(--sp-10) var(--sp-8);
  }
  .contact__channel-icon {
    font-size: 2rem;
  }
  .contact__channel-value {
    font-size: var(--fs-base);
  }

  /* ══════════════════════════════════════════
     CLIENT BADGES — hover
  ══════════════════════════════════════════ */
  .client-badge {
    transition: border-color 0.2s ease, transform 0.2s ease;
    cursor: default;
  }
  .client-badge:hover {
    border-color: rgba(59,130,246,0.4);
    transform: translateY(-2px);
  }

  /* ══════════════════════════════════════════
     STAT CARDS — hover
  ══════════════════════════════════════════ */
  .stat-card {
    transition: transform 0.2s ease, border-color 0.2s ease;
  }
  .stat-card:hover {
    transform: translateY(-4px);
    border-color: rgba(59,130,246,0.3);
  }

  /* ══════════════════════════════════════════
     ABOUT CARD — hover sur les contact items
  ══════════════════════════════════════════ */
  .contact-item {
    transition: transform 0.2s ease;
  }
  .contact-item:hover {
    transform: translateX(4px);
  }

  /* ══════════════════════════════════════════
     EDU CARDS — hover
  ══════════════════════════════════════════ */
  .edu-card {
    transition: border-color 0.2s ease, transform 0.2s ease;
  }
  .edu-card:hover {
    border-color: rgba(59,130,246,0.3);
    transform: translateX(4px);
  }

}