:root {
      --bg: #0d1117;
      --bg-soft: #121923;
      --panel: rgba(255, 255, 255, 0.04);
      --panel-strong: rgba(255, 255, 255, 0.07);
      --border: rgba(255, 255, 255, 0.1);
      --text: #f3f7fb;
      --muted: #a8b3c2;
      --accent: #2dd4bf;
      --accent-2: #14b8a6;
      --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
      --radius: 20px;
      --radius-sm: 14px;
      --container: 1180px;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: 'Inter', sans-serif;
      background:
        radial-gradient(circle at top left, rgba(45, 212, 191, 0.12), transparent 35%),
        radial-gradient(circle at 85% 10%, rgba(59, 130, 246, 0.12), transparent 28%),
        linear-gradient(180deg, #0b1016 0%, #0d1117 100%);
      color: var(--text);
      line-height: 1.6;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img {
      max-width: 100%;
      display: block;
    }

    .container {
      width: min(var(--container), calc(100% - 2rem));
      margin: 0 auto;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.55rem 0.9rem;
      border: 1px solid var(--border);
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.04);
      color: var(--muted);
      font-size: 0.82rem;
      font-family: 'Space Mono', monospace;
      letter-spacing: 0.02em;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      -webkit-backdrop-filter: blur(18px);
      backdrop-filter: blur(18px);
      background: rgba(8, 12, 18, 0.72);
      border-bottom: 1px solid rgba(255,255,255,0.06);
    }

    .header-inner {
      min-height: 78px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1.5rem;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 0.9rem;
      font-weight: 700;
      letter-spacing: -0.02em;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 12px;
      display: grid;
      place-items: center;
      background: linear-gradient(135deg, rgba(45,212,191,0.25), rgba(20,184,166,0.08));
      border: 1px solid rgba(45, 212, 191, 0.28);
      color: var(--accent);
      font-family: 'Space Mono', monospace;
      font-size: 0.95rem;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.1;
    }

    .brand-text strong {
      font-size: 1rem;
    }

    .brand-text span {
      color: var(--muted);
      font-size: 0.8rem;
      font-weight: 500;
    }

    .nav {
      display: flex;
      align-items: center;
      gap: 1.2rem;
      flex-wrap: wrap;
    }

    .nav a {
      color: var(--muted);
      font-size: 0.95rem;
      transition: 0.2s ease;
    }

    .nav a:hover {
      color: var(--text);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }

    .header-cta {
      padding: 0.8rem 1rem;
      border-radius: 999px;
      border: 1px solid rgba(45, 212, 191, 0.28);
      background: rgba(45, 212, 191, 0.1);
      color: #d7fffa;
      font-weight: 600;
      transition: 0.25s ease;
    }

    .header-cta:hover {
      background: rgba(45, 212, 191, 0.18);
      transform: translateY(-1px);
    }

    .header-github {
      padding: 0.55rem 0.85rem;
      font-size: 0.88rem;
    }

    .hero {
      padding: 5.5rem 0 4rem;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 2rem;
      align-items: center;
    }

    .hero-copy h1 {
      margin-top: 1.25rem;
      font-size: clamp(2.6rem, 5vw, 5.2rem);
      line-height: 0.98;
      letter-spacing: -0.05em;
      max-width: 11ch;
    }

    .hero-copy h1 span {
      color: var(--accent);
    }

    .hero-copy p {
      margin-top: 1.4rem;
      max-width: 62ch;
      color: var(--muted);
      font-size: 1.08rem;
    }

    .hero-actions {
      display: flex;
      gap: 1rem;
      flex-wrap: wrap;
      margin-top: 2rem;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.6rem;
      min-height: 48px;
      padding: 0.95rem 1.2rem;
      border-radius: 999px;
      border: 1px solid transparent;
      font-weight: 600;
      transition: 0.25s ease;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--accent), var(--accent-2));
      color: #062b27;
      box-shadow: 0 12px 30px rgba(45, 212, 191, 0.2);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 16px 34px rgba(45, 212, 191, 0.28);
    }

    .btn-secondary {
      border-color: var(--border);
      background: rgba(255,255,255,0.03);
      color: var(--text);
    }

    .btn-secondary:hover {
      background: rgba(255,255,255,0.06);
      transform: translateY(-2px);
    }

    .hero-card {
      background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
      border: 1px solid var(--border);
      border-radius: 28px;
      padding: 1.4rem;
      box-shadow: var(--shadow);
    }

    .hero-panel {
      border-radius: 20px;
      padding: 1.25rem;
      background:
        linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
      border: 1px solid rgba(255,255,255,0.08);
    }

    .panel-top {
      display: flex;
      justify-content: space-between;
      gap: 1rem;
      margin-bottom: 1rem;
      color: var(--muted);
      font-family: 'Space Mono', monospace;
      font-size: 0.8rem;
    }

    .code-preview {
      font-family: 'Space Mono', monospace;
      font-size: 0.92rem;
      color: #d7e4f3;
      background: #0a0f15;
      border: 1px solid rgba(255,255,255,0.06);
      border-radius: 16px;
      padding: 1.2rem;
      overflow-x: auto;
    }

    .mini-kpis {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 0.9rem;
      margin-top: 1rem;
    }

    .mini-kpi {
      padding: 1rem;
      border-radius: 16px;
      background: rgba(255,255,255,0.04);
      border: 1px solid rgba(255,255,255,0.06);
    }

    .mini-kpi strong {
      display: block;
      font-size: 1.35rem;
      letter-spacing: -0.03em;
    }

    .mini-kpi span {
      color: var(--muted);
      font-size: 0.92rem;
    }

    section {
      padding: 2rem 0 5rem;
    }

    .section-head {
      display: flex;
      justify-content: space-between;
      align-items: end;
      gap: 1rem;
      margin-bottom: 2rem;
      flex-wrap: wrap;
    }

    .section-title {
      font-size: clamp(1.8rem, 2vw, 2.6rem);
      letter-spacing: -0.04em;
    }

    .about-panel .section-title,
    .contact-panel .section-title {
      margin-top: 1rem;
    }

    .section-head p {
      color: var(--muted);
      max-width: 60ch;
    }

    /* Base Card Component (DRY) */
    .card {
      border: 1px solid var(--border);
      background: linear-gradient(180deg, rgba(255,255,255,0.045), rgba(255,255,255,0.025));
      border-radius: var(--radius);
      box-shadow: var(--shadow);
    }

    .hero-card {
      background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
      border-radius: 28px;
      padding: 1.4rem;
    }

    .projects-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 1.2rem;
    }

    .project-card {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      min-height: 320px;
      padding: 1.35rem;
      border-radius: 22px;
      transition: transform 0.2s ease, border-color 0.2s ease;
    }

    @media (hover: hover) {
      .project-card:hover {
        transform: translateY(-4px);
        border-color: rgba(45, 212, 191, 0.45);
      }
    }

    .project-card:focus-within {
      transform: translateY(-4px);
      border-color: rgba(45, 212, 191, 0.45);
    }

    .projects-footer {
      display: flex;
      justify-content: flex-end;
      margin-top: 1.5rem;
    }

    .more-projects-link {
      color: var(--muted);
      font-size: 0.92rem;
      font-family: 'Space Mono', monospace;
      transition: color 0.2s ease;
    }

    .more-projects-link:hover,
    .more-projects-link:focus-visible {
      color: var(--accent);
      outline: none;
    }

    .project-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      margin-bottom: 1rem;
      color: var(--muted);
      font-size: 0.8rem;
      font-family: 'Space Mono', monospace;
    }

    .project-card h3 {
      font-size: 1.35rem;
      margin-bottom: 0.75rem;
      letter-spacing: -0.03em;
    }

    .project-card p {
      color: var(--muted);
      font-size: 0.97rem;
      max-width: 36ch;
    }

    .tags {
      display: flex;
      flex-wrap: wrap;
      gap: 0.55rem;
      margin-top: 1.25rem;
    }

    .tag {
      padding: 0.42rem 0.7rem;
      border-radius: 999px;
      background: rgba(45, 212, 191, 0.09);
      border: 1px solid rgba(45, 212, 191, 0.16);
      color: #c5fffa;
      font-size: 0.78rem;
      font-family: 'Space Mono', monospace;
    }

    .project-link {
      display: inline-flex;
      align-items: center;
      gap: 0.45rem;
      margin-top: 1.4rem;
      color: var(--text);
      font-weight: 600;
    }

    .expertise-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 1rem;
    }

    .expertise-card {
      padding: 1.2rem;
      border-radius: 20px;
      background: rgba(255,255,255,0.035);
      box-shadow: none;
    }

    .expertise-card h3 {
      margin-bottom: 0.65rem;
      font-size: 1rem;
      letter-spacing: -0.02em;
    }

    .expertise-card p {
      color: var(--muted);
      font-size: 0.94rem;
    }

    .about-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 1.2rem;
    }

    .about-panel,
    .contact-panel {
      padding: 1.5rem;
      border-radius: 24px;
    }

    .about-panel p,
    .contact-panel p {
      color: var(--muted);
      margin-top: 0.8rem;
      max-width: 65ch;
    }

    .about-list {
      margin-top: 1.2rem;
      display: grid;
      gap: 0.85rem;
    }

    .about-list li {
      list-style: none;
      color: #dce7f5;
      display: flex;
      gap: 0.75rem;
      align-items: start;
    }

    .about-list li::before {
      content: "•";
      color: var(--accent);
      font-weight: 700;
    }

    .contact-links {
      display: flex;
      flex-wrap: wrap;
      gap: 0.9rem;
      margin-top: 1.5rem;
    }

    .contact-chip {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.8rem 1rem;
      border-radius: 999px;
      border: 1px solid var(--border);
      background: rgba(255,255,255,0.04);
      color: var(--text);
      transition: 0.2s ease;
    }

    .contact-chip:hover {
      background: rgba(255,255,255,0.08);
      border-color: rgba(255,255,255,0.25);
    }

    .contact-chip-primary {
      border-color: rgba(45, 212, 191, 0.38);
      background: rgba(45, 212, 191, 0.12);
      color: #d7fffa;
      font-weight: 600;
    }

    .contact-chip-primary:hover {
      background: rgba(45, 212, 191, 0.22);
      border-color: rgba(45, 212, 191, 0.55);
    }

    .footer {
      padding: 1.4rem 0 2.5rem;
      border-top: 1px solid rgba(255,255,255,0.06);
      color: var(--muted);
      font-size: 0.92rem;
    }

    .footer-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      flex-wrap: wrap;
    }

    @media (max-width: 1080px) {
      .hero-grid,
      .about-grid,
      .projects-grid,
      .expertise-grid {
        grid-template-columns: 1fr 1fr;
      }

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

    @media (max-width: 760px) {
      .header-inner {
        min-height: 0;
        padding: 1rem 0;
        align-items: flex-start;
        flex-direction: column;
      }

      .nav {
        gap: 0.85rem;
      }

      .hero {
        padding-top: 3.6rem;
      }

      .hero-grid,
      .about-grid,
      .projects-grid,
      .expertise-grid,
      .mini-kpis {
        grid-template-columns: 1fr;
      }

      .hero-copy h1 {
        max-width: 100%;
      }

      .section-head {
        align-items: flex-start;
      }
    }

/* Ajouts apres migration : vignettes, grille a propos, lien actif, reveal */
.project-card {
  display: flex;
  flex-direction: column;
  padding: 0; /* le padding passe dans .project-body */
  overflow: hidden;
  border-radius: 22px;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease;
}

.project-thumb {
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #0a0f15;
  border-bottom: 1px solid var(--border);
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.5s ease;
}

@media (hover: hover) {
  .project-card:hover .project-thumb img {
    transform: scale(1.04);
  }
}

.project-body {
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  flex: 1;
  gap: 1.25rem;
}

/* Remplace .about-grid par une version simple pleine largeur */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
}

/* Bonus : limiter la largeur du texte pour la lisibilité */
.about-panel p,
.contact-panel p {
  max-width: 70ch;
}
section[id] {
  scroll-margin-top: 90px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}
/* Nav : lien actif */
.nav a.is-active {
  color: var(--text);
  position: relative;
}
.nav a.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

/* Reveal au scroll */
.will-reveal {
  opacity: 0;
  transform: translateY(12px);
  transition:
    opacity 0.5s ease,
    transform 0.5s ease;
}
.will-reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .will-reveal {
    opacity: 1;
    transform: none;
  }
}

.project-gallery {
  position: relative;
}

.project-gallery-bar {
  position: absolute;
  left: 0.55rem;
  right: 0.55rem;
  bottom: 0.55rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
}

.gallery-arrow,
.lightbox-arrow,
.lightbox-close {
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(13, 17, 23, 0.78);
  color: #f3f7fb;
  cursor: pointer;
}

.gallery-arrow {
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  font-size: 1.25rem;
  line-height: 1;
}

.gallery-arrow:focus-visible,
.gallery-dot:focus-visible,
.lightbox-arrow:focus-visible,
.lightbox-close:focus-visible,
.project-thumb:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.gallery-dots {
  display: flex;
  gap: 0.35rem;
}

.gallery-dot {
  width: 0.55rem;
  height: 0.55rem;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.45);
  cursor: pointer;
}

.gallery-dot[aria-selected="true"] {
  background: var(--accent);
  width: 1.1rem;
}

.lightbox {
  width: min(1100px, calc(100vw - 2rem));
  max-height: calc(100vh - 2rem);
  margin: auto;
  padding: 3rem 4.2rem 1.4rem;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: #0d1117;
  color: var(--text);
}

.lightbox::backdrop {
  background: rgba(0, 0, 0, 0.8);
}

.lightbox-figure {
  margin: 0;
}

.lightbox img {
  display: block;
  width: 100%;
  max-height: calc(100vh - 9rem);
  object-fit: contain;
  background: #0a0f15;
  border-radius: 12px;
}

.lightbox figcaption {
  margin-top: 0.7rem;
  text-align: center;
  color: var(--muted);
  font-family: "Space Mono", monospace;
  font-size: 0.82rem;
}

.lightbox-close,
.lightbox-arrow {
  position: absolute;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 999px;
  font-size: 1.4rem;
  line-height: 1;
}

.lightbox-close {
  top: 0.8rem;
  right: 0.8rem;
}

.lightbox-prev {
  left: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox-next {
  right: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
}

@media (max-width: 760px) {
  .lightbox {
    padding: 3rem 0.8rem 1rem;
  }

  .lightbox-prev {
    left: 0.35rem;
  }

  .lightbox-next {
    right: 0.35rem;
  }
}