:root {
    color-scheme: light dark;
    --bg: #f0f2f8;
    --bg-glow: rgba(0, 113, 227, 0.20);
    --bg-glow-2: rgba(255, 94, 58, 0.10);
    --card-bg: rgba(255, 255, 255, 0.72);
    --section-bg: rgba(255, 255, 255, 0.24);
    --header-bg: rgba(255, 255, 255, 0.55);
    --card-blur: 20px;
    --text: #1d1d1f;
    --text-secondary: #6e6e73;
    --accent: #0071e3;
    --accent-hover: #0077ed;
    --accent-2: #ff5e3a;
    --accent-soft: rgba(0, 113, 227, 0.12);
    --border: rgba(0, 0, 0, 0.08);
    --shadow: rgba(0, 60, 130, 0.14);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #121212;
        --bg-glow: rgba(77, 163, 255, 0.22);
        --bg-glow-2: rgba(255, 122, 89, 0.12);
        --card-bg: rgba(255, 255, 255, 0.06);
        --section-bg: rgba(255, 255, 255, 0.03);
        --header-bg: rgba(255, 255, 255, 0.08);
        --card-blur: 24px;
        --text: #e8e8ea;
        --text-secondary: #9b9b9f;
        --accent: #4da3ff;
        --accent-hover: #6fb5ff;
        --accent-2: #ff7a59;
        --accent-soft: rgba(77, 163, 255, 0.18);
        --border: rgba(255, 255, 255, 0.10);
        --shadow: rgba(0, 0, 0, 0.55);
    }
}

* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, "SF Pro Text", "SF Pro Display", "Helvetica Neue", Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    margin: 0;
    padding: 0 20px 60px;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    text-align: justify;
    hyphens: none;
}

/* Le texte justifié ne convient qu'aux blocs de contenu ; les titres,
   boutons, nav et autres éléments courts restent alignés à gauche
   (ou centrés/déjà gérés au cas par cas plus bas). */
h1, h2, h3, h4, h5, h6,
nav, .site-nav, .social-links, .card-title, .tag, .post-meta, button, a.btn {
    text-align: left;
    hyphens: none;
}

/* Fond animé : deux taches de couleur (--bg-glow / --bg-glow-2, définies
   par page dans theme.css) qui dérivent lentement en boucle. */
body::before,
body::after {
    content: "";
    position: fixed;
    width: 82vmax;
    height: 82vmax;
    border-radius: 50%;
    filter: blur(40px);
    z-index: -1;
    pointer-events: none;
}

body::before {
    top: -24vmax;
    left: -20vmax;
    background: radial-gradient(circle, var(--bg-glow) 0%, var(--bg-glow) 40%, transparent 78%);
    animation: bg-drift-a 16s ease-in-out infinite;
}

body::after {
    top: -14vmax;
    right: -26vmax;
    background: radial-gradient(circle, var(--bg-glow-2) 0%, var(--bg-glow-2) 40%, transparent 78%);
    animation: bg-drift-b 20s ease-in-out infinite;
}

@keyframes bg-drift-a {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33%      { transform: translate(22vmax, 20vmax) scale(1.3); }
    66%      { transform: translate(8vmax, 34vmax) scale(0.8); }
}

@keyframes bg-drift-b {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33%      { transform: translate(-24vmax, 16vmax) scale(0.8); }
    66%      { transform: translate(-10vmax, 36vmax) scale(1.3); }
}

@media (prefers-reduced-motion: reduce) {
    body::before,
    body::after {
        animation: none;
    }
}

.container {
    max-width: 720px;
    margin: 0 auto;
}

a {
    color: var(--accent);
}

/* Header / hero */
header.hero {
    padding: 56px 0 32px;
    text-align: center;
}

header.hero h1 {
    font-size: 38px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 8px;
    background: linear-gradient(100deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--accent);
    display: inline-block;
    text-align: center;
}

header.hero p.tagline {
    font-size: 18px;
    color: var(--text-secondary);
    margin: 0;
}

/* Chaque moitié de la tagline reste d'un seul tenant ; sur téléphone
   elles passent sur deux lignes et le tiret de séparation disparaît. */
header.hero p.tagline span {
    white-space: nowrap;
}

@media (max-width: 600px) {
    header.hero p.tagline span {
        display: block;
    }

    header.hero p.tagline .tagline-sep {
        display: none;
    }
}

/* Site nav on subpages: home + 4 categories + contact (mailto).
   Collante au scroll : reste visible en haut de page, sur une seule
   ligne (sa hauteur fixe sert de repère à .section-nav, qui se cale
   juste en dessous). */
.site-nav {
    position: sticky;
    top: 8px;
    z-index: 10;
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    gap: 20px;
    padding: 10px 16px;
    margin: 24px 0 8px;
    background: var(--header-bg);
    border: 1px solid var(--border);
    border-radius: 999px;
    -webkit-backdrop-filter: blur(var(--card-blur));
    backdrop-filter: blur(var(--card-blur));
}

.site-nav a {
    font-size: 14px;
    white-space: nowrap;
    font-weight: 500;
    text-decoration: none;
    color: var(--text-secondary);
    padding: 2px 0;
    border-bottom: 2px solid transparent;
    transition: color 0.15s ease, border-color 0.15s ease;
}

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

.site-nav a.active {
    color: var(--text);
    border-color: var(--accent);
    font-weight: 600;
}

@media (max-width: 420px) {
    .site-nav {
        gap: 10px;
        padding: 10px 12px;
    }

    .site-nav a {
        font-size: 13px;
    }
}

/* Axis tiles grid (home page), regroupées par cadre ("Pro" / "Art") */
.axes {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin: 24px 0 48px;
}

.axis-group {
    background: var(--section-bg);
    -webkit-backdrop-filter: blur(var(--card-blur));
    backdrop-filter: blur(var(--card-blur));
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 24px;
}

.axis-group h2 {
    font-size: 20px;
    font-weight: 600;
    margin: 0 0 16px;
}

.axis-group-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

@media (max-width: 480px) {
    .axis-group-cards {
        grid-template-columns: 1fr;
    }
}

.axis-card {
    position: relative;
    background:
        linear-gradient(160deg, var(--accent-soft), transparent 65%),
        var(--card-bg);
    -webkit-backdrop-filter: blur(var(--card-blur));
    backdrop-filter: blur(var(--card-blur));
    border-radius: 20px;
    border: 1px solid var(--accent-soft);
    box-shadow: 0 12px 32px var(--shadow);
    padding: 30px 22px 26px;
    text-decoration: none;
    color: var(--text);
    display: flex;
    flex-direction: column;
    gap: 6px;
    overflow: hidden;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.axis-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(100deg, var(--accent), var(--accent-2));
}

.axis-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 48px var(--shadow);
    border-color: var(--accent);
}

.axis-card .axis-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    border-radius: 15px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    box-shadow: 0 6px 16px var(--accent-soft);
    margin-bottom: 4px;
}

.axis-card h3 {
    margin: 0;
    font-size: 19px;
    font-weight: 600;
}

.axis-card p {
    margin: 0;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.axis-card.coming-soon {
    opacity: 0.7;
}

.axis-card .badge {
    align-self: flex-start;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--accent);
    background: var(--accent-soft);
    border-radius: 999px;
    padding: 3px 9px;
    margin-top: 4px;
}

footer {
    text-align: center;
    color: var(--text-secondary);
    font-size: 13px;
    margin-top: 48px;
}

/* Page header (subpages) — identité propre : dégradé teinté par
   l'accent de la page (thème par section), plus léger que les cadres
   de contenu (--section-bg), pour se distinguer des blocs en dessous
   tout en laissant passer le fond animé. Centré, comme le hero de
   l'accueil ; le paragraphe d'intro est justifié comme le reste du
   corps de page, avec sa dernière ligne centrée. */
.page-header {
    text-align: center;
    background:
        linear-gradient(160deg, var(--accent-soft), transparent 70%),
        var(--header-bg);
    border: 1px solid var(--accent-soft);
    border-radius: 24px;
    padding: 32px 28px;
    margin: 24px 0 32px;
    -webkit-backdrop-filter: blur(var(--card-blur));
    backdrop-filter: blur(var(--card-blur));
}

.profile-photo {
    display: block;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent-soft);
    margin: 0 auto 16px;
}

.page-header h1 {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 10px;
    background: linear-gradient(100deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--accent);
    display: inline-block;
    text-align: center;
}

.page-header p.name {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 4px;
    text-align: center;
}

.page-header p.role {
    font-size: 17px;
    font-weight: 600;
    color: var(--accent);
    margin: 0 0 12px;
    text-align: center;
}

.page-header p.intro {
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0 auto;
    max-width: 560px;
    text-align: justify;
    text-align-last: center;
}

.page-header .social-links {
    justify-content: center;
    margin-top: 16px;
}

/* Timeline (CV) */
.timeline {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin: 0 0 40px;
}

.timeline-entry {
    background: var(--card-bg);
    -webkit-backdrop-filter: blur(var(--card-blur));
    backdrop-filter: blur(var(--card-blur));
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 8px 24px var(--shadow);
    padding: 20px 22px;
}

.timeline-entry .period {
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 4px;
}

.timeline-entry h3 {
    margin: 0 0 2px;
    font-size: 18px;
    font-weight: 600;
}

.timeline-entry .company {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skills-hint {
    font-size: 13px;
    color: var(--text-secondary);
    margin: -8px 0 16px;
}

.skill-tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--card-bg);
    -webkit-backdrop-filter: blur(var(--card-blur));
    backdrop-filter: blur(var(--card-blur));
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 6px 14px;
    text-decoration: none;
    cursor: pointer;
    transition: color 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.skill-tag:hover {
    color: var(--accent);
    border-color: var(--accent-soft);
}

.skill-tag.active {
    color: #fff;
    background: linear-gradient(100deg, var(--accent), var(--accent-2));
    border-color: transparent;
}

/* Cible d'une compétence cliquée : ne masque jamais les autres entrées,
   se contente de faire ressortir celle(s) concernée(s). */
.timeline-entry.skill-highlight {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft), 0 0 24px 4px var(--accent-soft);
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.timeline-entry .highlights {
    font-size: 14px;
    color: var(--text);
    background: var(--accent-soft);
    border-left: 3px solid var(--accent);
    border-radius: 6px;
    padding: 10px 14px;
    margin: 0 0 14px;
}

.timeline-entry ul {
    margin: 0;
    padding-left: 18px;
    font-size: 15px;
    line-height: 1.5;
    color: var(--text);
}

.timeline-entry ul li {
    margin-bottom: 4px;
}

.timeline-entry h4 {
    margin: 16px 0 6px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent);
}

section.block {
    margin: 40px 0;
    background: var(--section-bg);
    -webkit-backdrop-filter: blur(var(--card-blur));
    backdrop-filter: blur(var(--card-blur));
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 24px;
}

section.block h2 {
    font-size: 20px;
    font-weight: 600;
    margin: 0 0 16px;
}

/* Navigation d'ancres internes à une page (ex: site/cv/ — Parcours /
   Ma méthode IA / Formation), collante au scroll pour rester joignable
   même après un saut vers une section plus bas. */
.section-nav {
    position: sticky;
    top: 62px;
    z-index: 5;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    padding: 10px 12px;
    margin: 8px 0 16px;
    background: var(--section-bg);
    border: 1px solid var(--border);
    border-radius: 999px;
    -webkit-backdrop-filter: blur(var(--card-blur));
    backdrop-filter: blur(var(--card-blur));
}

/* Les cibles d'ancre de .section-nav ne doivent pas atterrir sous la
   barre sticky : décale le point de scroll de la hauteur de la barre. */
.anchor-target {
    scroll-margin-top: 140px;
}

.section-nav a {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--card-bg);
    -webkit-backdrop-filter: blur(var(--card-blur));
    backdrop-filter: blur(var(--card-blur));
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 6px 14px;
    text-decoration: none;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.section-nav a:hover {
    color: var(--accent);
    border-color: var(--accent-soft);
}

.page-header p.intro strong {
    color: var(--text);
}

/* Coming soon page */
.coming-soon-body {
    text-align: center;
    padding: 60px 0;
}

.coming-soon-body .emoji {
    font-size: 48px;
    display: block;
    margin-bottom: 16px;
}

.coming-soon-body p {
    color: var(--text-secondary);
    font-size: 16px;
    max-width: 480px;
    margin: 0 auto;
}

/* Blog hub: tag filters */
.blog-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    margin: 0 0 28px;
    background: var(--section-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    -webkit-backdrop-filter: blur(var(--card-blur));
    backdrop-filter: blur(var(--card-blur));
}

.blog-filters:empty {
    display: none;
}

.tag-chip {
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--card-bg);
    -webkit-backdrop-filter: blur(var(--card-blur));
    backdrop-filter: blur(var(--card-blur));
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 6px 14px;
    cursor: pointer;
    transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.tag-chip:hover {
    color: var(--accent);
    border-color: var(--accent-soft);
}

.tag-chip.active {
    color: #fff;
    background: linear-gradient(100deg, var(--accent), var(--accent-2));
    border-color: transparent;
}

/* Blog hub: post cards */
.blog-posts {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 48px;
}

.blog-post-card {
    display: block;
    background: var(--card-bg);
    -webkit-backdrop-filter: blur(var(--card-blur));
    backdrop-filter: blur(var(--card-blur));
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: 0 10px 30px var(--shadow);
    padding: 22px 24px;
    text-decoration: none;
    color: var(--text);
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.blog-post-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 16px 40px var(--shadow);
    border-color: var(--accent-soft);
}

.blog-post-date {
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 6px;
}

.blog-post-card h2 {
    margin: 0 0 8px;
    font-size: 20px;
    font-weight: 600;
}

.blog-post-summary {
    margin: 0 0 14px;
    font-size: 15px;
    line-height: 1.5;
    color: var(--text-secondary);
}

.blog-post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tag-pill {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--accent);
    background: var(--accent-soft);
    border-radius: 999px;
    padding: 3px 10px;
}

.blog-empty {
    color: var(--text-secondary);
    font-size: 15px;
    padding: 20px 0;
}

/* Blog hub: constellation de concepts */
.concept-cloud {
    background:
        radial-gradient(ellipse at 30% 20%, var(--accent-soft), transparent 60%),
        var(--section-bg);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 24px 24px 28px;
    margin: 0 0 28px;
    -webkit-backdrop-filter: blur(var(--card-blur));
    backdrop-filter: blur(var(--card-blur));
}

.concept-cloud-head h2 {
    margin: 0 0 6px;
    font-size: 17px;
    font-weight: 700;
    color: var(--accent);
}

.concept-cloud-intro {
    margin: 0 0 18px;
    font-size: 13px;
    line-height: 1.5;
    color: var(--text-secondary);
    max-width: 52ch;
}

.concept-cloud-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 18px;
}

.concept-search {
    flex: 1 1 220px;
    font-family: inherit;
    font-size: 13px;
    color: var(--text);
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 8px 16px;
}

.concept-search::placeholder {
    color: var(--text-secondary);
}

.concept-clear {
    font-family: inherit;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 8px 14px;
    cursor: pointer;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.concept-clear:hover {
    color: var(--accent);
    border-color: var(--accent-soft);
}

.concept-constellation {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: center;
    gap: 6px 16px;
    min-height: 40px;
}

.concept-constellation--empty::after {
    content: "Rien à montrer pour l'instant.";
    color: var(--text-secondary);
    font-size: 13px;
}

.concept-star {
    font-family: inherit;
    font-weight: 600;
    line-height: 1.4;
    color: var(--text-secondary);
    background: none;
    border: none;
    padding: 2px 4px;
    cursor: pointer;
    transition: color 0.15s ease, opacity 0.15s ease, transform 0.15s ease;
}

.concept-star::before {
    content: "✦";
    display: inline-block;
    margin-right: 4px;
    font-size: 0.7em;
    color: var(--accent-2);
    vertical-align: middle;
}

.concept-star:hover {
    color: var(--accent);
}

.concept-star.active {
    color: var(--accent);
}

.concept-star.active::before {
    color: var(--accent);
}

.concept-star.dimmed {
    opacity: 0.25;
}

/* Blog post page */
.post-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-top: 4px;
}

.post-meta .post-date {
    font-size: 14px;
    color: var(--text-secondary);
}

.post-body {
    font-size: 17px;
    line-height: 1.7;
    margin-bottom: 48px;
}

.post-body p {
    margin: 0 0 20px;
}

/* Social links */
.social-links {
    display: flex;
    gap: 14px;
    margin-top: 16px;
}

header.hero .social-links {
    justify-content: center;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.15s ease;
}

.social-link:hover {
    color: var(--accent);
}

.social-link svg {
    width: 18px;
    height: 18px;
}

/* Dark mode: heavier headings read better on translucent glass */
@media (prefers-color-scheme: dark) {
    header.hero h1,
    .page-header h1,
    .axis-card h2,
    .timeline-entry h3 {
        font-weight: 700;
    }
}