:root {
  --bg: #0b1120;
  --bg-soft: #111a2e;
  --card: #131d33;
  --border: #22304d;
  --text: #e6ebf5;
  --muted: #8b98b4;
  --accent: #34d399;
  --accent-2: #60a5fa;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f7f9fc;
    --bg-soft: #eef2f8;
    --card: #ffffff;
    --border: #dfe5ef;
    --text: #0f172a;
    --muted: #5b6780;
    --accent: #059669;
    --accent-2: #2563eb;
    --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
    color-scheme: light;
  }
}

:root[data-theme="light"] {
  --bg: #f7f9fc;
  --bg-soft: #eef2f8;
  --card: #ffffff;
  --border: #dfe5ef;
  --text: #0f172a;
  --muted: #5b6780;
  --accent: #059669;
  --accent-2: #2563eb;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  color-scheme: light;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px max(16px, calc((100% - 1100px) / 2));
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 800; font-size: 1.25rem; letter-spacing: -0.02em; }
.brand span { color: var(--accent); }
.nav nav { display: flex; gap: 22px; margin-left: auto; font-size: 0.95rem; color: var(--muted); }
.nav nav a:hover { color: var(--accent); }
.theme-toggle {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  width: 38px; height: 38px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 1.1rem;
}

main { max-width: 1100px; margin: 0 auto; padding: 0 16px; }

.hero {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
  align-items: center;
  min-height: calc(100vh - 70px);
  padding: 48px 0;
}
.eyebrow { color: var(--accent); font-family: "JetBrains Mono", monospace; margin: 0; }
h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); line-height: 1.05; margin: 8px 0; letter-spacing: -0.03em; }
.title-badge {
  display: inline-block;
  margin: 4px 0 14px;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--border));
  background: color-mix(in srgb, var(--accent) 12%, var(--card));
  color: var(--accent);
  font-weight: 600;
  font-size: 0.95rem;
}
.role { font-size: clamp(1.2rem, 2.6vw, 1.6rem); color: var(--muted); margin: 0 0 18px; min-height: 2.4em; }
.typed { color: var(--text); font-weight: 600; }
.caret { color: var(--accent); animation: blink 1s steps(1) infinite; margin-left: 2px; }
@keyframes blink { 50% { opacity: 0; } }
.lead { color: var(--muted); max-width: 56ch; }

.cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0; }
.btn {
  display: inline-flex; align-items: center;
  padding: 11px 20px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  font-weight: 600;
  transition: transform 0.15s, border-color 0.15s;
}
.btn:hover { transform: translateY(-2px); border-color: var(--accent); }
.btn.primary { background: var(--accent); color: #062018; border-color: var(--accent); }

.stats { display: flex; gap: 32px; list-style: none; padding: 0; margin: 28px 0 0; }
.stats strong { display: block; font-size: 2rem; font-weight: 800; color: var(--accent); font-variant-numeric: tabular-nums; }
.stats span { color: var(--muted); font-size: 0.9rem; }

.hero-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--shadow);
  text-align: center;
}
.hero-card img { border-radius: 50%; border: 3px solid var(--accent); width: 150px; height: 150px; object-fit: cover; }
.code {
  text-align: left;
  margin: 22px 0 0;
  padding: 16px;
  border-radius: 12px;
  background: var(--bg-soft);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  overflow-x: auto;
}
.code .k { color: var(--accent-2); }
.code .s { color: var(--accent); }
.code .b { color: #f59e0b; }

.section { padding: 72px 0 24px; }
h2 { font-size: 1.8rem; letter-spacing: -0.02em; margin: 0 0 20px; display: flex; align-items: center; gap: 12px; }
h2::after { content: ""; flex: 1; height: 1px; background: var(--border); max-width: 320px; }
.num { color: var(--accent); font-family: "JetBrains Mono", monospace; font-size: 1.1rem; }
.muted { color: var(--muted); }
.about p { color: var(--muted); max-width: 75ch; }
.about strong { color: var(--text); }

.skills { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.skill {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
}
.skill h3 { margin: 0 0 12px; font-size: 1rem; }
.skill ul { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0; }
.skill li { background: var(--bg-soft); border-radius: 999px; padding: 4px 12px; font-size: 0.85rem; }

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 24px; }
.chip {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--muted);
  padding: 7px 16px;
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  font-size: 0.9rem;
}
.chip.active, .chip:hover { color: var(--text); border-color: var(--accent); }
.chip.active { background: color-mix(in srgb, var(--accent) 18%, var(--card)); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 18px; }
.card {
  display: flex; flex-direction: column;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  animation: pop 0.35s ease both;
}
.card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: var(--shadow); }
@keyframes pop { from { opacity: 0; transform: translateY(10px); } }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.card .emoji { font-size: 1.6rem; }
.card h3 { margin: 8px 0 6px; font-size: 1.15rem; }
.card p { margin: 0 0 14px; color: var(--muted); font-size: 0.93rem; flex: 1; }
.highlight { color: var(--accent); font-weight: 600; font-size: 0.88rem; margin-bottom: 12px; }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 14px; }
.tags span { font-family: "JetBrains Mono", monospace; font-size: 0.75rem; color: var(--accent-2); }
.meta { display: flex; gap: 14px; flex-wrap: wrap; font-size: 0.8rem; color: var(--muted); border-top: 1px solid var(--border); padding-top: 12px; }
.lang-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; vertical-align: middle; }
.badge { font-size: 0.72rem; border: 1px solid var(--border); border-radius: 999px; padding: 2px 8px; color: var(--muted); }

.subhead { margin: 36px 0 12px; }
.feature {
  display: flex; gap: 18px; align-items: flex-start;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 14%, var(--card)), var(--card));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  transition: border-color 0.2s;
}
.feature:hover { border-color: var(--accent); }
.feature .emoji { font-size: 2.2rem; }
.feature p { color: var(--muted); margin: 6px 0; }

.timeline { list-style: none; padding: 0; margin: 0; border-left: 2px solid var(--border); }
.timeline li { position: relative; padding: 0 0 18px 22px; }
.timeline li::before {
  content: ""; position: absolute; left: -7px; top: 6px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--accent);
}
.timeline time { display: block; font-size: 0.8rem; color: var(--muted); }
.timeline a:hover { color: var(--accent); }

.contact { text-align: center; padding-bottom: 72px; }
.contact h2 { justify-content: center; }
.contact h2::after { display: none; }
.contact .cta { justify-content: center; }

footer { text-align: center; color: var(--muted); font-size: 0.85rem; padding: 24px 16px 40px; border-top: 1px solid var(--border); }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .card, .caret { animation: none; }
}

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; min-height: auto; gap: 32px; }
  .nav nav { display: none; }
  .theme-toggle { margin-left: auto; }
  .stats { gap: 22px; }
  .grid { grid-template-columns: 1fr; }
}

/* ---------- Bouton CV dans la barre de navigation ---------- */
.nav-cv { padding: 7px 14px; font-size: 0.9rem; border-color: var(--accent); color: var(--accent); }
.nav-cv:hover { background: color-mix(in srgb, var(--accent) 14%, var(--card)); }

/* ---------- Domaines et engagements ---------- */
.domains { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-top: 28px; }
.domain {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  transition: transform 0.2s, border-color 0.2s;
}
.domain:hover { transform: translateY(-3px); border-color: var(--accent); }
.domain .emoji { font-size: 1.6rem; }
.domain h3 { margin: 8px 0 6px; font-size: 1.05rem; }
.domain p { margin: 0; color: var(--muted); font-size: 0.92rem; }

/* ---------- Parcours et expérience : frise chronologique ---------- */
.journey { list-style: none; padding: 0; margin: 8px 0 0; position: relative; }
.journey::before {
  content: ""; position: absolute; left: 150px; top: 8px; bottom: 8px;
  width: 2px; background: var(--border);
}
.journey > li { display: grid; grid-template-columns: 130px 1fr; gap: 40px; margin-bottom: 22px; position: relative; }
.journey > li::before {
  content: ""; position: absolute; left: 144px; top: 22px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent);
}
.period { font-family: "JetBrains Mono", monospace; font-size: 0.85rem; color: var(--accent); padding-top: 18px; text-align: right; }
.card-tl {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 22px;
  transition: border-color 0.2s;
}
.card-tl:hover { border-color: var(--accent); }
.card-tl h3 { margin: 0; font-size: 1.08rem; }
.card-tl .org { margin: 4px 0 8px; color: var(--accent-2); font-weight: 600; font-size: 0.92rem; }
.card-tl p, .card-tl li { color: var(--muted); font-size: 0.93rem; }
.card-tl p { margin: 0 0 8px; }
.card-tl ul { margin: 0 0 10px; padding-left: 18px; }
.card-tl li { margin-bottom: 4px; }
.card-tl .tags { margin: 0; }

.feature .badge { margin-left: 8px; vertical-align: middle; }
.cv-note { margin-top: 4px; font-size: 0.88rem; }
.cv-note a { color: var(--accent); }

@media (max-width: 820px) {
  .journey::before { left: 7px; }
  .journey > li { grid-template-columns: 1fr; gap: 6px; padding-left: 30px; }
  .journey > li::before { left: 1px; top: 4px; }
  .period { text-align: left; padding-top: 0; }
  .nav-cv { margin-left: auto; }
  .theme-toggle { margin-left: 8px; }
}