/* ==========================================================================
   CSS INLINE COMPLET - JULIEN LEINER PORTFOLIO (LIGHT MODE ARCHITECTURAL)
   ========================================================================== */

:root {
    --bg-page: #f8fafc;
    --bg-surface: #ffffff;
    --bg-muted: #f1f5f9;
    --bg-elevated: #ffffff;
    
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --text-subtle: #94a3b8;
    
    --border-light: #e2e8f0;
    --border-medium: #cbd5e1;
    --border-dark: #94a3b8;
    
    --accent-navy: #0f172a;
    --accent-blue: #2563eb;
    --accent-blue-hover: #1d4ed8;
    --accent-blue-soft: #eff6ff;
    
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.03);
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-full: 9999px;
    
    --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-page);
    color: var(--text-primary);
}

body {
    font-family: var(--font-body);
    line-height: 1.65;
    background-color: var(--bg-page);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    width: 100%;
}

a {
    color: inherit;
    text-decoration: none !important;
    transition: var(--transition);
}

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

/* Container fluide strict 1180px */
.container {
    width: 100%;
    max-width: 1180px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 36px;
    padding-right: 36px;
}

/* Espacements verticaux généreux */
.section {
    padding: 85px 0;
    position: relative;
}

.section-alt {
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}

/* ==========================================================================
   NAVIGATION
   ========================================================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
}

.brand-link {
    display: flex;
    flex-direction: column;
    text-decoration: none !important;
}

.brand-name {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.brand-sub {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-link {
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none !important;
    position: relative;
    padding: 6px 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--accent-navy);
    color: #ffffff !important;
    font-size: 0.88rem;
    font-weight: 600;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    text-decoration: none !important;
    transition: var(--transition);
}

.nav-cta:hover {
    background-color: var(--accent-blue);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero-section {
    padding: 95px 0 85px 0;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    border-bottom: 1px solid var(--border-light);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.25fr 0.85fr;
    gap: 56px;
    align-items: center;
}

.hero-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-blue);
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.hero-eyebrow::before {
    content: '';
    display: inline-block;
    width: 18px;
    height: 2px;
    background-color: var(--accent-blue);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.2rem;
    line-height: 1.12;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.03em;
    margin-bottom: 16px;
}

.hero-subtitle {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 500;
    color: var(--text-secondary);
    line-height: 1.35;
    margin-bottom: 24px;
}

.hero-bio {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: 32px;
}

.hero-meta-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 36px;
}

.meta-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-medium);
    padding: 7px 14px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.chip-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: #10b981;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background-color: var(--accent-navy);
    color: #ffffff !important;
    font-weight: 600;
    font-size: 0.96rem;
    padding: 13px 26px;
    border-radius: var(--radius-sm);
    text-decoration: none !important;
    transition: var(--transition);
    border: 1px solid transparent;
}

.btn-primary:hover {
    background-color: var(--accent-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background-color: var(--bg-surface);
    color: var(--text-primary) !important;
    font-weight: 600;
    font-size: 0.96rem;
    padding: 13px 24px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-medium);
    text-decoration: none !important;
    transition: var(--transition);
}

.btn-secondary:hover {
    background-color: var(--bg-muted);
    border-color: var(--border-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* Colonne Visuelle Profile */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.profile-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 380px;
    position: relative;
}

.profile-img-wrap {
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--bg-muted);
    margin-bottom: 20px;
    border: 1px solid var(--border-light);
}

.profile-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-info h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.profile-info p {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 18px;
}

.profile-skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    border-top: 1px solid var(--border-light);
    padding-top: 16px;
}

.skill-badge {
    background: var(--bg-muted);
    border: 1px solid var(--border-light);
    font-family: var(--font-mono);
    font-size: 0.76rem;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
}

/* ==========================================================================
   SECTION EN-TÊTE NOBLE & SOBRE
   ========================================================================== */

.section-header {
    margin-bottom: 40px;
}

.section-eyebrow {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-blue);
    margin-bottom: 10px;
    display: block;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.025em;
    margin-bottom: 14px;
}

.section-intro {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 720px;
    line-height: 1.7;
}

/* ==========================================================================
   BARRE DE FILTRES INTERACTIFS (Projets)
   ========================================================================== */

.filter-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-light);
}

.filter-btn {
    appearance: none;
    border: 1px solid var(--border-medium);
    background-color: var(--bg-surface);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.84rem;
    font-weight: 500;
    padding: 9px 18px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover {
    background-color: var(--bg-muted);
    color: var(--text-primary);
    border-color: var(--border-dark);
}

.filter-btn.active {
    background-color: var(--accent-navy);
    color: #ffffff;
    border-color: var(--accent-navy);
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

/* ==========================================================================
   GRILLE DE PROJETS (Hauteurs égales flexbox, Zéro Look IA)
   ========================================================================== */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 32px;
}

.project-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--border-dark);
}

.project-media {
    position: relative;
    width: 100%;
    height: 220px;
    background-color: #0b1120;
    overflow: hidden;
    border-bottom: 1px solid var(--border-light);
}

.project-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.project-card:hover .project-media img {
    transform: scale(1.03);
}

.project-badge-top {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(15, 23, 42, 0.88);
    backdrop-filter: blur(6px);
    color: #ffffff;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    padding: 5px 11px;
    border-radius: var(--radius-sm);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.project-date-top {
    position: absolute;
    top: 14px;
    right: 14px;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(6px);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    padding: 5px 11px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.project-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background-color: var(--bg-muted);
    border-bottom: 1px solid var(--border-light);
}

.project-card-header .project-badge-top {
    position: static;
    background: var(--accent-navy);
    color: #ffffff;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    padding: 5px 11px;
    border-radius: var(--radius-sm);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.project-card-header .project-date-top {
    position: static;
    background: var(--bg-surface);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    padding: 5px 11px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-medium);
}

.project-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-number {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--accent-blue);
    margin-bottom: 6px;
    letter-spacing: 0.06em;
}

.project-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
    margin-bottom: 12px;
}

.project-desc {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 18px;
    flex-grow: 1;
}

.project-challenges {
    background-color: var(--bg-muted);
    border-left: 3px solid var(--accent-navy);
    padding: 10px 14px;
    margin-bottom: 18px;
    font-size: 0.84rem;
    color: var(--text-secondary);
    line-height: 1.55;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.project-challenges strong {
    color: var(--text-primary);
    font-weight: 600;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid var(--border-light);
}

.tag {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    background-color: var(--bg-muted);
    color: var(--text-secondary);
    padding: 4px 9px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-light);
}

.project-footer {
    padding: 14px 24px;
    background-color: #fafbfc;
    border-top: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.project-context {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.project-link-out {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--accent-blue);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    text-decoration: none !important;
}

/* ==========================================================================
   SECTION EXPÉRIENCES & FORMATION (Issu du CV)
   ========================================================================== */

.parcours-flow {
    display: flex;
    flex-direction: column;
    gap: 44px;
}

.parcours-block {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.parcours-block-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 16px;
}

.parcours-block-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-medium);
}

.parcours-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.parcours-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.parcours-grid-1 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

.timeline-item-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    transition: var(--transition);
}

.timeline-item-card:hover {
    border-color: var(--accent-navy);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.timeline-date {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-blue);
    margin-bottom: 6px;
    text-transform: uppercase;
}

.timeline-heading {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
    line-height: 1.35;
}

.timeline-sub {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-blue);
    margin-bottom: 10px;
}

.timeline-desc {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 0;
}

/* ==========================================================================
   SECTION COMPÉTENCES TECHNIQUES (Lignes Horizontales Cohérentes)
   ========================================================================== */

.skills-linear-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: var(--bg-surface);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-sm);
}

.skill-row {
    display: grid;
    grid-template-columns: 240px 1fr;
    align-items: center;
    gap: 24px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-light);
}

.skill-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.skill-row:first-child {
    padding-top: 0;
}

.skill-row-title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}

.skill-row-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.skill-chip {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    background-color: var(--bg-muted);
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-light);
    white-space: nowrap;
}

/* ==========================================================================
   SECTION CONTACT SOBRE & DIRECTE (Zero Blabla IA)
   ========================================================================== */

.contact-simple-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-lg);
    padding: 44px 48px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact-simple-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-light);
}

.contact-simple-text h2 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.contact-simple-text p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0;
}

.contact-grid-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.contact-link-pill {
    display: flex;
    flex-direction: column;
    padding: 16px 22px;
    background-color: var(--bg-muted);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    text-decoration: none !important;
    transition: var(--transition);
}

.contact-link-pill:hover {
    background-color: #ffffff;
    border-color: var(--accent-navy);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.contact-link-label {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--accent-blue);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.contact-link-val {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-light);
    padding: 36px 0;
}

.footer-container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.footer-copy {
    font-size: 0.88rem;
    color: var(--text-muted);
}

.footer-copy strong {
    color: var(--text-primary);
}

.footer-nav {
    display: flex;
    gap: 24px;
    list-style: none;
}

.footer-nav a {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-decoration: none !important;
}

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

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .profile-card {
        max-width: 100%;
    }
    
    .parcours-grid-3,
    .parcours-grid-2 {
        grid-template-columns: 1fr;
    }
    
    .contact-simple-card {
        grid-template-columns: 1fr;
        padding: 32px 24px;
    }
    
    .skill-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding-left: 20px;
        padding-right: 20px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2.3rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .contact-simple-header {
        flex-direction: column;
        align-items: stretch;
        gap: 20px;
    }

    .contact-grid-links {
        grid-template-columns: 1fr;
    }
    
    .filter-bar {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 12px;
    }
    
    .filter-btn {
        white-space: nowrap;
    }
}