/* ============================================================
   Portfolio — N'dri Konan Jean Jaurès
   Organisation : 1. Tokens  2. Base  3. Layout  4. Composants
                  5. Sections  6. Animations  7. Responsive
   ============================================================ */

/* ---------- 1. Tokens (thème sombre par défaut) ---------- */
:root {
  --bg: #0b0b0f;
  --bg-elev: #131319;
  --bg-elev-2: #1a1a22;
  --border: #26262f;
  --border-strong: #363642;
  --text: #f5f5f7;
  --text-muted: #a1a1ae;
  --accent: #7c5cff;          /* boutons, traits, surfaces */
  --accent-text: #a48fff;     /* accent pour du petit texte (contraste AA sur fond sombre) */
  --accent-soft: rgba(124, 92, 255, 0.12);
  --on-accent: #ffffff;
  --success: #3ccf91;
  --danger: #ff6b7a;
  --glow: rgba(124, 92, 255, 0.22);

  --font-title: "Space Grotesk", "Sora", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --radius: 14px;
  --radius-sm: 8px;
  --container: 1120px;
  --gutter: 16px;
  --header-h: 64px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);

  color-scheme: dark;
}

/* Thème clair */
:root[data-theme="light"] {
  --bg: #fafafc;
  --bg-elev: #ffffff;
  --bg-elev-2: #f2f2f6;
  --border: #e4e4ea;
  --border-strong: #d0d0da;
  --text: #0b0b0f;
  --text-muted: #55556a;
  --accent: #6a48f5;
  --accent-text: #5634e0;
  --accent-soft: rgba(106, 72, 245, 0.08);
  --glow: rgba(124, 92, 255, 0.14);
  color-scheme: light;
}

/* ---------- 2. Base ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-title);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: balance;
}
h2 { font-size: clamp(1.75rem, 1.2rem + 2.2vw, 2.6rem); font-weight: 600; }
h3 { font-size: 1.2rem; font-weight: 600; }
p { margin: 0; }
a { color: inherit; }
img { max-width: 100%; display: block; }
ul, ol { margin: 0; padding: 0; }
button { font: inherit; color: inherit; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection { background: var(--accent); color: var(--on-accent); }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 16px; top: -48px; z-index: 100;
  background: var(--accent); color: var(--on-accent);
  padding: 8px 14px; border-radius: var(--radius-sm); text-decoration: none;
}
.skip-link:focus { top: 12px; }

.noscript { padding: 24px; text-align: center; }

/* ---------- 3. Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: 88px; }
.section--tight { padding-block: 24px 56px; }

.section-head { margin-bottom: 40px; max-width: 680px; }
.section-head--row {
  max-width: none;
  display: flex; flex-wrap: wrap; gap: 20px;
  align-items: flex-end; justify-content: space-between;
}
.eyebrow {
  font-family: var(--font-title);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-text);
  margin-bottom: 12px;
  display: flex; align-items: center; gap: 10px;
}
.eyebrow::before { content: ""; width: 24px; height: 1px; background: currentColor; }
.lead { color: var(--text-muted); font-size: 1.075rem; max-width: 60ch; }

/* ---------- 4. Composants ---------- */

/* Boutons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 0 20px;
  border-radius: 999px; border: 1px solid transparent;
  font-weight: 600; font-size: 0.95rem; text-decoration: none; cursor: pointer;
  transition: transform 0.2s var(--ease), background-color 0.2s, border-color 0.2s;
}
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: color-mix(in srgb, var(--accent) 88%, white); }
.btn-ghost { border-color: var(--border-strong); background: transparent; }
.btn-ghost:hover { border-color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: 0.6; cursor: progress; }

/* Puces (stack, compétences) */
.chips { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; }
.chip {
  font-size: 0.8rem; line-height: 1;
  padding: 7px 10px;
  border-radius: 999px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  white-space: nowrap;
}

/* Carte générique */
.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

/* Liens texte avec icône */
.link-arrow {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.9rem; font-weight: 500;
  color: var(--accent-text); text-decoration: none;
}
.link-arrow:hover { text-decoration: underline; text-underline-offset: 3px; }
.icon { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- Header / navigation ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header-h);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
.site-header.is-scrolled { border-bottom-color: var(--border); }

/* Barre de progression de lecture */
.scroll-progress {
  position: absolute; left: 0; bottom: -1px; width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-text));
  transform: scaleX(0); transform-origin: left; pointer-events: none;
}
.header-inner { height: 100%; display: flex; align-items: center; gap: 12px; }

.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; margin-right: auto; }
.brand-mark {
  display: grid; place-items: center;
  width: 34px; height: 34px; border-radius: 9px;
  background: var(--accent); color: var(--on-accent);
  font-family: var(--font-title); font-weight: 700; font-size: 0.9rem;
}
.brand-name { font-family: var(--font-title); font-weight: 600; }

.nav-list { list-style: none; display: flex; gap: 4px; position: relative; }

/* Indicateur glissant de la section active (créé par main.js) */
.nav-indicator {
  position: absolute; top: 0; bottom: 0; left: 0; width: 0; z-index: 0;
  border-radius: 999px; background: var(--accent-soft);
  opacity: 0; pointer-events: none;
  transition: transform 0.45s var(--ease), width 0.45s var(--ease), opacity 0.3s;
}
.nav-list li { position: relative; z-index: 1; }
.nav-list li.nav-indicator { position: absolute; z-index: 0; }
.nav-list a {
  display: block; padding: 8px 12px; border-radius: 999px;
  font-size: 0.92rem; text-decoration: none; color: var(--text-muted);
  transition: color 0.2s, background-color 0.2s;
}
.nav-list a:hover { color: var(--text); }
.nav-list a[aria-current="true"] { color: var(--text); background: var(--accent-soft); }

.nav-toggle, .theme-toggle {
  display: grid; place-items: center;
  width: 40px; height: 40px; border-radius: 10px;
  border: 1px solid var(--border); background: transparent; cursor: pointer;
}
.theme-toggle svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }
:root[data-theme="dark"] .icon-moon,
:root[data-theme="light"] .icon-sun { display: none; }

.nav-toggle { display: none; }
.nav-toggle-bar, .nav-toggle-bar::before, .nav-toggle-bar::after {
  display: block; width: 16px; height: 1.6px; background: currentColor; border-radius: 2px;
  transition: transform 0.25s var(--ease), opacity 0.2s;
}
.nav-toggle-bar { position: relative; }
.nav-toggle-bar::before, .nav-toggle-bar::after { content: ""; position: absolute; left: 0; }
.nav-toggle-bar::before { top: -5px; }
.nav-toggle-bar::after { top: 5px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after { transform: translateY(-5px) rotate(-45deg); }

/* ---------- 5. Sections ---------- */

/* Hero */
.hero {
  position: relative;
  min-height: calc(100svh - var(--header-h));
  display: flex; align-items: center;
  padding-block: 72px 96px;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(600px 400px at 78% 18%, var(--glow), transparent 70%),
    radial-gradient(500px 360px at 8% 92%, color-mix(in srgb, var(--glow) 50%, transparent), transparent 70%);
}
/* Grille de points, estompée vers les bords */
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(var(--border-strong) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 60% 40%, #000 20%, transparent 75%);
          mask-image: radial-gradient(ellipse 70% 60% at 60% 40%, #000 20%, transparent 75%);
  opacity: 0.6;
}
.hero-inner { display: grid; gap: 28px; }

.status {
  display: inline-flex; align-items: center; gap: 10px;
  width: fit-content; padding: 6px 14px 6px 12px;
  border: 1px solid var(--border); border-radius: 20px; line-height: 1.4;
  background: color-mix(in srgb, var(--bg-elev) 70%, transparent);
  font-size: 0.85rem; color: var(--text-muted);
}
.status-dot {
  flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--success);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--success) 20%, transparent);
}
.hero h1 {
  font-size: clamp(2.4rem, 1.4rem + 5vw, 4.6rem);
  font-weight: 700;
  letter-spacing: -0.035em;
}
.hero-title {
  font-family: var(--font-title);
  font-size: clamp(1.1rem, 0.95rem + 0.8vw, 1.45rem);
  font-weight: 500;
  color: var(--accent-text);
}
.hero-tagline { font-size: clamp(1.05rem, 1rem + 0.3vw, 1.2rem); color: var(--text-muted); max-width: 58ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }

/* Technologies principales, sous les boutons du hero */
.hero-stack { margin-top: 16px; padding-top: 24px; border-top: 1px solid var(--border); max-width: 640px; }

/* À propos */
.about-grid { display: grid; gap: 40px; }
.about-text { display: grid; gap: 16px; color: var(--text-muted); font-size: 1.05rem; }
.about-quote {
  margin: 8px 0 0; padding: 18px 20px;
  border-left: 2px solid var(--accent);
  background: linear-gradient(90deg, var(--accent-soft), transparent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text); font-weight: 500;
}
.approach { list-style: none; display: grid; gap: 12px; counter-reset: step; }
.approach li { padding: 20px; counter-increment: step; }
.approach h3 { font-size: 1.05rem; margin-bottom: 6px; display: flex; gap: 10px; }
.approach h3::before {
  content: "0" counter(step);
  font-size: 0.8rem; color: var(--accent-text); padding-top: 3px;
}
.approach p { color: var(--text-muted); font-size: 0.95rem; }

/* Compétences */
.skills-grid { display: grid; gap: 16px; }
.skill-card { padding: 24px; display: grid; gap: 16px; align-content: start; }
.skill-head { display: flex; align-items: center; gap: 12px; }
.skill-icon {
  display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px;
  background: var(--accent-soft); color: var(--accent-text);
}

/* Filtres */
.filters {
  position: relative;
  display: inline-flex; padding: 4px; gap: 4px;
  border: 1px solid var(--border); border-radius: 999px; background: var(--bg-elev);
}
.filter {
  border: 0; background: transparent; cursor: pointer;
  padding: 8px 16px; border-radius: 999px;
  font-size: 0.9rem; font-weight: 500; color: var(--text-muted);
  transition: background-color 0.2s, color 0.2s;
}
.filter:hover { color: var(--text); }
.filter[aria-pressed="true"] { background: var(--accent); color: var(--on-accent); }
.filter-count {
  display: inline-block; min-width: 1.5em; margin-left: 4px; padding: 1px 6px;
  border-radius: 999px; background: var(--bg-elev-2);
  font-size: 0.78rem; font-variant-numeric: tabular-nums;
}
.filter[aria-pressed="true"] .filter-count { background: rgba(255, 255, 255, 0.22); }

/* Pastille glissante sous le filtre actif (créée par main.js) */
.filter { position: relative; z-index: 1; }
.filter-pill {
  position: absolute; top: 4px; bottom: 4px; left: 4px; width: 0;
  border-radius: 999px; background: var(--accent);
  transition: transform 0.4s var(--ease), width 0.4s var(--ease);
}
.filters.has-pill .filter[aria-pressed="true"] { background: transparent; }

/* Projets */
.projects-grid { display: grid; gap: 20px; }
.project-card {
  position: relative;
  display: flex; flex-direction: column; overflow: hidden;
  transition: border-color 0.25s, transform 0.3s var(--ease);
}
.project-card:hover { border-color: var(--border-strong); }
.project-card[hidden] { display: none; }

.project-visual {
  aspect-ratio: 16 / 9; overflow: hidden;
  background: var(--bg-elev-2); border-bottom: 1px solid var(--border);
}
.project-visual img, .project-visual svg { width: 100%; height: 100%; object-fit: cover; object-position: top; }

/* Illustrations générées (coverSVG dans main.js) */
.cv-bg { fill: var(--bg-elev-2); }
.cv-panel { fill: var(--bg-elev); stroke: var(--border-strong); }
.cv-dot { fill: var(--border-strong); }
.cv-hi { fill: var(--accent-soft); stroke: var(--accent); stroke-opacity: 0.5; }
.cv-bar { fill: var(--accent); }
.cv-axis { stroke: var(--border-strong); }
.cv-line { fill: none; stroke: var(--accent); stroke-width: 3; stroke-linecap: round; }
.cv-dash { stroke-width: 2.5; stroke-dasharray: 6 6; }
.cv-stop { stop-color: var(--accent); }

.project-body { padding: 22px; display: flex; flex-direction: column; gap: 14px; flex: 1; }
.project-tags { display: flex; gap: 8px; }
.tag {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--accent-text);
}
.project-subtitle { color: var(--text-muted); font-size: 0.92rem; margin-top: 4px; }
.project-problem { font-size: 0.95rem; }
.project-context { font-size: 0.82rem; color: var(--text-muted); margin-top: 6px; }

/* Projets d'entreprise : code non public */
.confidential {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.82rem; color: var(--text-muted);
}
.confidential .icon { width: 15px; height: 15px; }
.confidential-note {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 14px 16px; border: 1px dashed var(--border-strong); border-radius: var(--radius-sm);
  font-size: 0.9rem; color: var(--text-muted);
}
.confidential-note .icon { margin-top: 2px; color: var(--accent-text); }
.project-problem b, .modal-section h3 { color: var(--text-muted); font-weight: 500; }

.result {
  display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap;
  padding: 12px 14px; border-radius: var(--radius-sm);
  background: var(--accent-soft);
}
.result strong { font-family: var(--font-title); font-size: 1.3rem; font-weight: 600; white-space: nowrap; }
.result span { font-size: 0.85rem; color: var(--text-muted); line-height: 1.4; }

.project-foot {
  display: flex; flex-wrap: wrap; align-items: center; gap: 16px;
  margin-top: auto; padding-top: 6px;
}
.project-foot .btn { min-height: 38px; padding: 0 16px; font-size: 0.88rem; margin-right: auto; }

/* Modale */
.modal {
  width: min(760px, calc(100% - 24px)); max-height: calc(100dvh - 32px);
  padding: 0; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--bg-elev); color: var(--text);
}
.modal::backdrop { background: rgba(5, 5, 8, 0.7); backdrop-filter: blur(4px); }
.modal[open] { animation: modal-in 0.25s var(--ease); }
.modal-inner { display: grid; }
.modal-visual { aspect-ratio: 16 / 8; max-height: 300px; width: 100%; overflow: hidden; background: var(--bg-elev-2); }
.modal-visual img, .modal-visual svg { width: 100%; height: 100%; object-fit: contain; }
.modal-body { padding: 24px; display: grid; gap: 22px; }
.modal-head { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; }
.modal-head h2 { font-size: 1.6rem; }
.modal-close {
  flex: none; width: 40px; height: 40px; border-radius: 10px; cursor: pointer;
  border: 1px solid var(--border); background: transparent;
  display: grid; place-items: center;
}
.modal-section { display: grid; gap: 8px; }
.modal-section h3 { font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; font-family: var(--font-body); }
.modal-section p { color: var(--text); }
.modal-list { padding-left: 1.1rem; display: grid; gap: 6px; }
.modal-list li::marker { color: var(--accent); }
.modal-links { display: flex; flex-wrap: wrap; gap: 12px; }

@keyframes modal-in {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
}

/* Timeline */
.timeline { list-style: none; position: relative; display: grid; gap: 24px; padding-left: 28px; }
.timeline::before {
  content: ""; position: absolute; left: 6px; top: 8px; bottom: 8px; width: 1px;
  background: var(--border);
}
/* Partie « parcourue » de la ligne : --progress est mis à jour au scroll par main.js */
.timeline::after {
  content: ""; position: absolute; left: 6px; top: 8px; bottom: 8px; width: 1px;
  background: linear-gradient(var(--accent), var(--accent-text));
  transform: scaleY(var(--progress, 1)); transform-origin: top;
}
.timeline-item { position: relative; padding: 24px; display: grid; gap: 14px; }
.timeline-item::before {
  content: ""; position: absolute; left: -28px; top: 30px;
  width: 13px; height: 13px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--accent);
}
.timeline-meta { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 0.88rem; color: var(--text-muted); }
.timeline-meta .duration { color: var(--accent-text); font-weight: 600; }
.timeline-cols { display: grid; gap: 16px; }
.timeline-cols h4 {
  font-family: var(--font-body); font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 8px;
}
.timeline-cols ul { padding-left: 1.1rem; display: grid; gap: 6px; font-size: 0.95rem; }
.timeline-cols li::marker { color: var(--accent); }

/* Formation */
.subhead { margin: 56px 0 20px; font-size: 1.35rem; }
.education { list-style: none; padding: 4px 24px; }
.edu-item {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 24px;
  padding: 18px 0; border-bottom: 1px solid var(--border);
}
.edu-item:last-child { border-bottom: 0; }
.edu-item h4 { font-size: 1rem; font-weight: 600; margin-bottom: 4px; }
.edu-period { font-size: 0.88rem; color: var(--text-muted); display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.edu-status {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--accent-text); background: var(--accent-soft); padding: 4px 8px; border-radius: 999px;
}

/* Chiffres clés */
.stats {
  list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px; background: var(--border);
  border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
}
.stat { background: var(--bg-elev); padding: 28px 22px; }
.stat-value {
  display: block; font-family: var(--font-title); font-weight: 600;
  font-size: clamp(2rem, 1.5rem + 2vw, 2.8rem); letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.stat-label { color: var(--text-muted); font-size: 0.92rem; }

/* Contact */
.contact-grid { display: grid; gap: 40px; }
.contact-links { list-style: none; display: grid; gap: 10px; margin-top: 28px; }
.contact-links a {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  text-decoration: none; transition: border-color 0.2s;
  overflow-wrap: anywhere;
}
.contact-links a:hover { border-color: var(--accent); }
.contact-links .icon { color: var(--accent-text); }

.contact-form { padding: 24px; display: grid; gap: 16px; align-content: start; }
.contact-form { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); }
.field { display: grid; gap: 6px; }
.field label { font-size: 0.88rem; font-weight: 500; }
.field input, .field textarea {
  width: 100%; padding: 12px 14px;
  font: inherit; font-size: 1rem; color: var(--text);
  background: var(--bg); border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.field [aria-invalid="true"] { border-color: var(--danger); }
.field-error { font-size: 0.82rem; color: var(--danger); }
.hp { position: absolute; left: -9999px; }
.form-status { font-size: 0.92rem; min-height: 1.4em; }
.form-status.is-ok { color: var(--success); }
.form-status.is-error { color: var(--danger); }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding-block: 28px; font-size: 0.88rem; color: var(--text-muted); }
.footer-inner { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; }
.footer-inner a { text-decoration: none; }
.footer-inner a:hover { color: var(--text); }

/* ---------- 6. Animations au scroll ----------
   Les éléments ne sont masqués que si JS est actif ET que
   l'utilisateur n'a pas demandé à réduire les animations. */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal {
    opacity: 0; transform: translateY(16px);
    transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
    transition-delay: var(--delay, 0ms);
  }
  .js .reveal.is-visible { opacity: 1; transform: none; }

  /* Hero : le nom se révèle mot par mot */
  .js .hero-name .word { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: 0.1em; margin-bottom: -0.1em; }
  .js .hero-name .word > span {
    display: inline-block;
    animation: word-up 0.9s var(--ease) both;
    animation-delay: calc(120ms + var(--i) * 90ms);
  }
  @keyframes word-up { from { transform: translateY(105%); } }

  /* Hero : lueur de fond qui dérive lentement */
  .hero-bg { animation: drift 18s ease-in-out infinite alternate; }
  @keyframes drift { to { transform: translate3d(-3%, 2%, 0) scale(1.06); } }

  /* Pastille « Disponible » qui pulse */
  .status-dot { animation: pulse 2.4s ease-out infinite; }
  @keyframes pulse {
    0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--success) 45%, transparent); }
    70%, 100% { box-shadow: 0 0 0 9px transparent; }
  }

  /* Trait des sur-titres qui se dessine à l'apparition */
  .js .reveal .eyebrow::before { width: 0; transition: width 0.7s var(--ease) 0.25s; }
  .js .reveal.is-visible .eyebrow::before { width: 24px; }

  /* Compétences et technos du hero : apparition en cascade */
  .js .hero-stack .chip,
  .js .skill-card .chip {
    opacity: 0; translate: 0 6px;
    transition: opacity 0.4s var(--ease), translate 0.4s var(--ease);
    transition-delay: calc(var(--delay, 0ms) + 150ms + var(--ci, 0) * 35ms);
  }
  .js .hero-stack.is-visible .chip,
  .js .skill-card.is-visible .chip { opacity: 1; translate: 0 0; }

  /* Timeline : points qui s'allument quand on les atteint */
  .js .timeline-item::before {
    border-color: var(--border-strong);
    transition: background-color 0.4s, border-color 0.4s, box-shadow 0.4s;
  }
  .js .timeline-item.is-reached::before {
    border-color: var(--accent); background: var(--accent);
    box-shadow: 0 0 0 5px var(--accent-soft);
  }

  /* Filtres : les cartes réapparaissent en cascade */
  .project-card.card-in { animation: card-in 0.5s var(--ease) both; animation-delay: calc(var(--k, 0) * 55ms); }
  @keyframes card-in { from { opacity: 0; transform: translateY(14px) scale(0.98); } }

  /* Modale : fondu du fond et fermeture douce */
  .modal[open]::backdrop { animation: fade-in 0.25s ease; }
  .modal.is-closing { animation: modal-out 0.2s var(--ease) forwards; }
  .modal.is-closing::backdrop { animation: fade-out 0.2s ease forwards; }
  @keyframes modal-out { to { opacity: 0; transform: translateY(8px) scale(0.98); } }
  @keyframes fade-in { from { opacity: 0; } }
  @keyframes fade-out { to { opacity: 0; } }

  /* Changement de thème : on laisse l'animation circulaire de main.js remplacer le fondu par défaut */
  ::view-transition-old(root),
  ::view-transition-new(root) { animation: none; mix-blend-mode: normal; }

  /* Survols (uniquement avec une souris) */
  @media (hover: hover) {
    /* Halo qui suit la souris sur le contour de la carte */
    .project-card::before {
      content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none;
      border-radius: inherit; padding: 1px;
      background: radial-gradient(240px circle at var(--mx, 50%) var(--my, 50%), var(--accent), transparent 70%);
      -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
      -webkit-mask-composite: xor;
      mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
      mask-composite: exclude;
      opacity: 0; transition: opacity 0.3s;
    }
    .project-card:hover::before { opacity: 1; }
    .project-card:hover { translate: 0 -4px; }
    .js .project-card.reveal {
      transition: opacity 0.6s var(--ease), transform 0.6s var(--ease), translate 0.35s var(--ease), border-color 0.25s;
      transition-delay: var(--delay, 0ms), var(--delay, 0ms), 0s, 0s;
    }
    .project-visual > img,
    .project-visual > svg { transition: transform 0.7s var(--ease); }
    .project-card:hover .project-visual > * { transform: scale(1.04); }

    .skill-icon { transition: transform 0.4s var(--ease); }
    .skill-card:hover .skill-icon { transform: rotate(-8deg) scale(1.08); }

    .btn .icon { transition: translate 0.25s var(--ease); }
    .btn-nudge-down:hover .icon { translate: 0 3px; }
    .btn-nudge-right:hover .icon { translate: 3px 0; }
  }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---------- 7. Responsive (mobile-first) ---------- */

/* Menu mobile */
@media (max-width: 799px) {
  .nav-toggle { display: grid; }
  .nav-list {
    position: absolute; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; gap: 2px; padding: 12px var(--gutter) 20px;
    background: var(--bg); border-bottom: 1px solid var(--border);
    display: none;
  }
  .nav-list.is-open { display: flex; }
  .nav-list li.nav-indicator { display: none; }
  .nav-list a { padding: 12px 14px; font-size: 1rem; }
}

@media (min-width: 600px) {
  :root { --gutter: 24px; }
  .skills-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .projects-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .timeline-cols { grid-template-columns: 1fr 1fr; gap: 24px; }
  .modal-body { padding: 32px; }
}

@media (min-width: 800px) {
  :root { --gutter: 32px; }
  /* L'indicateur glissant remplace le fond du lien actif */
  .nav-list.has-indicator a[aria-current="true"] { background: transparent; }
  .section { padding-block: 120px; }
  .about-grid { grid-template-columns: 1.15fr 1fr; gap: 64px; }
  .contact-grid { grid-template-columns: 1fr 1fr; gap: 64px; }
  .stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 1040px) {
  .projects-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .skills-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}