/* Variables globales - Thème professionnel développeur */
:root {
    --primary-color: #0f172a;
    --secondary-color: #0ea5e9;
    --accent-color: #06b6d4;
    --text-color: #334155;
    --text-muted: #64748b;
    --light-text: #f8fafc;
    --background-light: #f1f5f9;
    --background-dark: #0f172a;
    --card-bg: #ffffff;
    --transition-speed: 0.25s;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
    --box-shadow-hover: 0 10px 40px -10px rgba(15, 23, 42, 0.15);
    
    /* Polices */
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Space Grotesk', sans-serif;
    --font-secondary: 'Poppins', sans-serif;
}

/* Reset et styles de base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
    font-weight: 400;
}

/* Navigation */
.navbar {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(12px);
    padding: 0.75rem 0;
    transition: all var(--transition-speed);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

.navbar-brand {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.5px;
    color: var(--light-text) !important;
}

.navbar-brand img {
    height: 42px;
    width: auto;
}

.nav-link {
    font-family: var(--font-primary);
    color: rgba(248, 250, 252, 0.85) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0.85rem !important;
    transition: color var(--transition-speed);
    letter-spacing: 0.02em;
}

.nav-link:hover,
.nav-link.active {
    color: var(--secondary-color) !important;
}

/* Header/Masthead */
.masthead {
    background: linear-gradient(160deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--light-text);
    padding: 100px 1.5rem 5rem;
    padding-bottom: 6rem;
    position: relative;
    overflow: hidden;
}

.masthead::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(14, 165, 233, 0.15), transparent),
                radial-gradient(ellipse 60% 40% at 80% 50%, rgba(6, 182, 212, 0.08), transparent);
    pointer-events: none;
}

.masthead-content {
    max-width: 720px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.masthead-badge {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--secondary-color);
    background: rgba(14, 165, 233, 0.12);
    border: 1px solid rgba(14, 165, 233, 0.3);
    padding: 0.4rem 1rem;
    border-radius: 100px;
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
    animation: fadeInDown 0.8s ease-out;
}

.masthead-heading {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.15;
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    margin-bottom: 0.75rem;
    animation: fadeInDown 0.9s ease-out;
}

.masthead-subheading {
    font-family: var(--font-primary);
    font-weight: 500;
    letter-spacing: 0.02em;
    font-size: clamp(1.1rem, 2.5vw, 1.35rem);
    color: rgba(248, 250, 252, 0.8);
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease-out;
}

.masthead-pitch {
    font-size: clamp(0.95rem, 2vw, 1.1rem);
    color: rgba(248, 250, 252, 0.75);
    max-width: 540px;
    margin: 0 auto 1.75rem;
    line-height: 1.6;
    animation: fadeIn 1.1s ease-out;
}

.masthead-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    animation: fadeIn 1.2s ease-out;
}

.masthead-buttons .btn {
    min-width: 160px;
}

/* Bandeau "En bref" sous le hero */
.masthead-strip {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(8px);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 0.9rem 0;
}

.masthead-strip-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem 2.5rem;
}

.masthead-strip-item {
    font-size: 0.9rem;
    color: rgba(248, 250, 252, 0.9);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.masthead-strip-item i {
    color: var(--secondary-color);
    font-size: 1rem;
}

@media (max-width: 576px) {
    .masthead-strip-inner { gap: 1rem 1.5rem; }
    .masthead-strip-item { font-size: 0.85rem; }
}

/* Bouton ghost (lien discret) */
.btn-ghost {
    color: rgba(248, 250, 252, 0.7);
    border: none;
    background: transparent;
}

.btn-ghost:hover {
    color: var(--light-text);
    background: rgba(255, 255, 255, 0.08);
}

/* Sections */
.page-section {
    padding: 5rem 0;
}

.section-heading {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.2;
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.section-divider {
    width: 48px;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--accent-color));
    border-radius: 2px;
    margin: 0 auto 2.5rem;
}

.section-description {
    max-width: 640px;
    margin: 0 auto 2.5rem;
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
}

/* À propos */
.about-content {
    font-size: 1.05rem;
    max-width: 680px;
    margin: 0 auto;
}

.about-content p {
    font-family: var(--font-primary);
    font-weight: 400;
    line-height: 1.8;
    letter-spacing: 0.02em;
    color: var(--text-color);
}

.about-lead {
    margin-bottom: 1rem;
}

.about-secondary {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

.about-buttons {
    margin-top: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Formation et Expériences */
.timeline {
    position: relative;
    max-width: 720px;
    margin: 0 auto;
}

.timeline-item {
    margin-bottom: 1.5rem;
    position: relative;
}

.timeline-content {
    background: var(--card-bg);
    padding: 1.75rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: 1px solid rgba(15, 23, 42, 0.06);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.timeline-content:hover {
    transform: translateY(-3px);
    box-shadow: var(--box-shadow-hover);
}

.timeline-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.timeline-header img {
    width: 52px;
    height: 52px;
    object-fit: contain;
    margin-right: 1.25rem;
    border-radius: var(--border-radius-sm);
    background: var(--background-light);
}

.timeline-title h3 {
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: -0.02em;
    font-size: 1.15rem;
    margin-bottom: 0.25rem;
    color: var(--primary-color);
}

.timeline-title h4 {
    font-family: var(--font-primary);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--secondary-color);
}

.timeline-body p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.timeline-actions {
    margin-top: 1rem;
}

/* Projets */
.portfolio-item {
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: 1px solid rgba(15, 23, 42, 0.06);
    transition: box-shadow var(--transition-speed), transform var(--transition-speed);
}

.portfolio-item:hover {
    box-shadow: var(--box-shadow-hover);
}

.article {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
}

.article img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.article:hover img {
    transform: scale(1.05);
}

.article-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    background: linear-gradient(transparent 0%, rgba(15, 23, 42, 0.85) 100%);
    color: var(--light-text);
}

.article-content h2 {
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: -0.02em;
    font-size: 1.2rem;
    margin-bottom: 0.35rem;
}

.article-content p {
    font-size: 0.85rem;
    opacity: 0.9;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.article-content .article-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.read-more {
    display: inline-block;
    padding: 0.4rem 0.9rem;
    background: rgba(255, 255, 255, 0.15);
    color: var(--light-text);
    text-decoration: none;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.25);
    transition: background var(--transition-speed), border-color var(--transition-speed);
}

.read-more:hover {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    color: var(--light-text);
}

/* Compétences */
.skills-container {
    max-width: 1200px;
    margin: 0 auto;
}

.skill-category {
    margin-bottom: 3rem;
}

.skill-category h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
    gap: 1.2rem;
    padding: 1rem;
    justify-items: center;
}

.skill {
    text-align: center;
    padding: 0.8rem;
    background: var(--light-text);
    border-radius: 12px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
    transition: all var(--transition-speed);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 95px;
    max-width: 95px;
    margin: 0 auto;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.skill:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.12);
    border-color: var(--secondary-color);
}

.skill img {
    width: 32px;
    height: 32px;
    margin-bottom: 0.6rem;
    object-fit: contain;
    filter: brightness(0.95);
    transition: all var(--transition-speed);
}

.skill:hover img {
    filter: brightness(1);
    transform: scale(1.05);
}

.skill i {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.skill p {
    margin: 0;
    font-family: var(--font-primary);
    font-weight: 500;
    letter-spacing: 0.2px;
    font-size: 0.7rem;
    color: var(--text-color);
    line-height: 1.2;
    word-wrap: break-word;
    max-width: 100%;
}

/* Ajustements spécifiques pour certaines icônes */
.skill img[alt="Sublime Text"] {
    width: 30px;
    height: 30px;
    padding: 1px;
}

.skill img[alt="Eclipse"] {
    width: 32px;
    height: 32px;
    padding: 1px;
}

.skill img[alt="Jira"] {
    width: 30px;
    height: 30px;
    padding: 1px;
}

.skill img[alt="Trello"] {
    width: 32px;
    height: 32px;
    padding: 1px;
}

.skill img[alt="MS Project"] {
    width: 30px;
    height: 30px;
    padding: 1px;
}

.skill img[alt="Pack Office"] {
    width: 32px;
    height: 32px;
    padding: 1px;
}

.skill img[alt="Canva"] {
    width: 30px;
    height: 30px;
    padding: 1px;
}

/* Veille */
.veille-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: 1px solid rgba(15, 23, 42, 0.06);
    overflow: hidden;
}

.veille-header h3 {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--primary-color);
    padding: 1.5rem 2rem 0;
    margin-bottom: 0.5rem;
}

.veille-body {
    padding: 0 2rem 2rem;
}

.veille-body p {
    color: var(--text-muted);
    line-height: 1.7;
}

.veille-sources h4 {
    font-size: 0.9rem;
    color: var(--text-color);
    margin-top: 1.25rem;
    margin-bottom: 0.5rem;
}

.veille-sources ul {
    list-style: none;
    padding: 0;
}

.veille-sources a {
    color: var(--secondary-color);
    text-decoration: none;
}

.veille-sources a:hover {
    text-decoration: underline;
}

.veille-actions {
    margin-top: 1rem;
}

/* Compétences - section compacte */
.skills-section {
    background: var(--background-light);
}

.skills-grid-compact {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    max-width: 800px;
    margin: 0 auto;
}

.skill-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--card-bg);
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-color);
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: var(--box-shadow);
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.skill-badge:hover {
    border-color: var(--secondary-color);
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.15);
}

.skill-badge img {
    width: 22px;
    height: 22px;
    object-fit: contain;
}

/* Contact */
.contact-card {
    background: var(--card-bg);
    padding: 2.5rem 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: 1px solid rgba(15, 23, 42, 0.06);
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    font-family: var(--font-primary);
    font-weight: 500;
    font-size: 1rem;
}

.contact-item i {
    font-size: 1.35rem;
    color: var(--secondary-color);
    margin-right: 1rem;
    width: 28px;
    text-align: center;
}

.contact-item a {
    color: var(--text-color);
    text-decoration: none;
    transition: color var(--transition-speed);
}

.contact-item a:hover {
    color: var(--secondary-color);
}

/* Footer */
.footer {
    background: var(--background-dark);
    color: rgba(248, 250, 252, 0.8);
    padding: 1.75rem 0;
    text-align: center;
    font-size: 0.9rem;
}

.footer p {
    font-family: var(--font-primary);
    font-weight: 400;
    margin: 0;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Media Queries */
@media (max-width: 992px) {
    .masthead-heading {
        font-size: 2.5rem;
    }
    
    .masthead-subheading {
        font-size: 1.5rem;
    }
    
    .section-heading {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .page-section {
        padding: 60px 0;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .timeline-header {
        flex-direction: column;
        text-align: center;
    }
    
    .timeline-header img {
        margin-right: 0;
        margin-bottom: 1rem;
    }

    .skills-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.8rem;
    }

    .skill {
        min-height: 85px;
        max-width: 85px;
        padding: 0.6rem;
    }

    .skill img {
        width: 28px;
        height: 28px;
        margin-bottom: 0.5rem;
    }

    .skill p {
        font-size: 0.65rem;
    }

    .masthead-heading {
        font-size: 2.5rem;
        letter-spacing: -0.8px;
    }
    
    .masthead-subheading {
        font-size: 1.5rem;
        letter-spacing: 0.3px;
    }
    
    .section-heading {
        font-size: 2rem;
        letter-spacing: -0.4px;
    }
}

@media (max-width: 576px) {
    .masthead-heading {
        font-size: 2rem;
        letter-spacing: -0.6px;
    }
    
    .masthead-subheading {
        font-size: 1.2rem;
        letter-spacing: 0.2px;
    }
    
    .skills-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.6rem;
    }

    .skill {
        min-height: 80px;
        max-width: 80px;
        padding: 0.5rem;
    }

    .skill img {
        width: 26px;
        height: 26px;
        margin-bottom: 0.4rem;
    }

    .skill p {
        font-size: 0.6rem;
    }
}

/* Utilitaires */
.btn-sm {
    padding: 0.4rem 1rem;
    font-size: 0.875rem;
}

.btn {
    padding: 0.7rem 1.5rem;
    border-radius: 8px;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition-speed);
    letter-spacing: 0.02em;
}

.btn-primary {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.btn-primary:hover {
    background-color: #0284c7;
    border-color: #0284c7;
    transform: translateY(-1px);
}

.btn-outline-primary {
    color: var(--secondary-color);
    border: 2px solid var(--secondary-color);
    background: transparent;
}

.btn-outline-primary:hover {
    background-color: var(--secondary-color);
    color: var(--light-text);
}

.btn-outline-light {
    color: var(--light-text);
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: transparent;
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.8);
    color: var(--light-text);
}

.bg-light {
    background-color: var(--background-light) !important;
}

/* Nouveau format de stage */
.space-y-8 {
    margin-top: 2rem;
}

.conte {
    position: relative;
    background: var(--light-text);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 2rem;
    margin-bottom: 2rem;
    display: flex;
    gap: 2rem;
    transition: transform var(--transition-speed);
}

.conte:hover {
    transform: translateY(-5px);
}

.conte img {
    width: 120px;
    height: 120px;
    object-fit: contain;
    border-radius: var(--border-radius);
    background: var(--background-light);
}

.text-container {
    flex: 1;
}

.text-container svg {
    color: var(--secondary-color);
    margin-right: 0.5rem;
    vertical-align: middle;
}

.text-container .font-medium {
    display: inline-flex;
    align-items: center;
    color: var(--text-color);
    margin-bottom: 1rem;
}

.text-container .font-semibold {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.text-container h4 {
    color: var(--secondary-color);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.text-container .text-sm {
    color: #666;
    margin-bottom: 1rem;
}

.text-container p:not(.text-sm) {
    margin-bottom: 1rem;
    line-height: 1.6;
}

.text-container .read-more {
    margin-right: 1rem;
}

@media (max-width: 768px) {
    .conte {
        flex-direction: column;
        text-align: center;
    }

    .conte img {
        width: 100px;
        height: 100px;
        margin: 0 auto;
    }

    .text-container .font-medium {
        justify-content: center;
    }
}

/* Filtres de compétences */
.portfolio-filters {
    margin-bottom: 2rem;
}

.filter-btn {
    margin: 0.5rem;
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    transition: all var(--transition-speed);
    background-color: transparent;
    border: 2px solid var(--secondary-color);
    color: var(--secondary-color);
    font-family: var(--font-primary);
    font-weight: 500;
    letter-spacing: 0.3px;
}

.filter-btn:hover {
    background-color: var(--secondary-color);
    color: var(--light-text);
}

.filter-btn.active {
    background-color: var(--secondary-color);
    color: var(--light-text);
}

.skill {
    transition: opacity 0.3s ease-in-out;
    opacity: 1;
}