/* styles.css — version épurée, pro, accessible */

/* === Variables (clair/obscur auto) === */
:root {
  --bg: #ffffff;
  --fg: #0b1220;
  --muted: #5a6472;
  --accent: #2563eb; /* bleu pro */
  --accent-contrast: #ffffff;
  --surface: #f6f8fb; /* cartes claires */
  --border: #e6eaf0;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 4px 12px rgba(16, 24, 40, 0.06);
}

[data-theme="dark"] {
  --bg: #0d1117;
  --fg: #e6edf3;
  --muted: #9aa4b2;
  --accent: #58a6ff;
  --accent-contrast: #0b1220;
  --surface: #111827;
  --border: #1f2937;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.25), 0 6px 20px rgba(0, 0, 0, 0.25);
}

/* === Reset doux === */
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto,
    "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji",
    "Segoe UI Symbol";
  color: var(--fg);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* === Typographie & rythme vertical === */
h1,
h2 {
  line-height: 1.2;
  margin: 0 0 0.5rem;
}
h1 {
  font-size: clamp(2rem, 2.8vw, 2.75rem);
  letter-spacing: -0.02em;
}
h2 {
  font-size: clamp(1.35rem, 2vw, 1.6rem);
  color: var(--fg);
}
p,
li {
  color: var(--fg);
}
small,
.muted {
  color: var(--muted);
}

/* === Layout global === */
header {
  background: linear-gradient(180deg, var(--surface), transparent);
  border-bottom: 1px solid var(--border);
  padding: 3.5rem 1rem 2.5rem;
  text-align: center;
}
header p {
  color: var(--muted);
  font-weight: 500;
}

nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  backdrop-filter: saturate(120%) blur(6px);
  background: color-mix(in oklab, var(--bg) 88%, transparent);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1rem;
}

nav a {
  text-decoration: none;
  color: var(--fg);
  font-weight: 600;
  padding: 0.4rem 0.6rem;
  border-radius: 8px;
  transition: background 0.2s ease, color 0.2s ease;
}
nav a:hover {
  background: var(--surface);
}
nav a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

#theme-toggle {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  color: var(--fg);
  border-radius: 8px;
  transition: background 0.2s ease;
}
#theme-toggle:hover {
  background: var(--surface);
}

main {
  max-width: 1040px;
  margin: 0 auto;
  padding: 2rem 1rem 3rem;
}

/* === Sections / cartes === */
section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.5rem;
  box-shadow: var(--shadow);
  margin: 1.25rem 0 1.5rem;
}
section h2 {
  margin-bottom: 0.75rem;
}
section p + p {
  margin-top: 0.75rem;
}

/* === Listes & puces === */
ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
ul li + li {
  margin-top: 0.5rem;
}

/* === Liens === */
a {
  color: var(--accent);
}
a:hover {
  text-decoration: underline;
}
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* === Photo de profil === */
.profile-pic {
  display: flex;
  justify-content: center;
  margin-top: 1rem;
}
.profile-pic img {
  width: 128px;
  height: 128px;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid var(--border);
  box-shadow: var(--shadow);
}

/* === Grille Projets === */
#projects .grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(12, 1fr);
}
.project-card {
  grid-column: span 12;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  box-shadow: var(--shadow);
}
.project-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}
.project-meta {
  margin: 0.25rem 0 0.75rem;
  color: var(--muted);
}

/* Badges techno */
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.5rem;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--fg);
}

/* CTA */
.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.85rem;
  border-radius: 10px;
  background: var(--accent);
  color: var(--accent-contrast);
  border: 1px solid color-mix(in oklab, var(--accent) 84%, black);
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.05s ease, filter 0.2s ease;
}
.cta:hover {
  filter: brightness(1.05);
  text-decoration: none;
}
.cta:active {
  transform: translateY(1px);
}

/* === Sections spécifiques === */
#skills ul li,
#soft-skills ul li {
  color: var(--fg);
}
#experience li strong {
  color: var(--fg);
}
#education li strong {
  color: var(--fg);
}

/* === Footer === */
footer {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

/* === Responsive === */
@media (min-width: 680px) {
  section {
    padding: 2rem;
  }
  .project-card {
    grid-column: span 6;
  }
}
@media (min-width: 980px) {
  .project-card {
    grid-column: span 4;
  }
}

/* === Impression (CV PDF) === */
@media print {
  nav,
  .profile-pic img,
  footer {
    display: none !important;
  }
  body {
    background: #fff;
    color: #000;
  }
  section {
    break-inside: avoid;
    box-shadow: none;
    border-color: #e5e7eb;
  }
}