/* ===========================
   CSS Reset & Base Styles
   =========================== */

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

:root {
    /* Color Palette */
    --primary-color: #6A1BC3;
    --secondary-color: #7FA3FF;
    --accent-color: #F7B330;
    --light-bg: #f5f5f5;
    --dark-bg: #1a1a1a;
    --text-color: #333;
    --text-light: #666;
    --border-color: #e0e0e0;
    --highlight-bg: #f0f0f0;
    --white: #ffffff;

    /* Typography */
    --font-primary: 'Roboto', sans-serif;
    --font-secondary: 'Montserrat', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
}

/* ===========================
   Typography
   =========================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
    margin-bottom: var(--spacing-sm);
    font-weight: lighter;
}

a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

strong {
    font-weight: 600;
}

em {
    font-style: italic;
    color: var(--text-light);
}

img {
    max-width: 100%;
    /**height: auto;**/
    display: block;
}

/* ===========================
   Utility Classes
   =========================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.section-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.1rem;
    color: var(--text-light);
}

.highlight-text {
    font-size: 1.15rem;
    line-height: 1.7;
    color: var(--primary-color);
}

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-family: var(--font-secondary);
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    border-radius: 50px;
    transition: all var(--transition-medium);
    cursor: pointer;
    border: none;
}

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

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

/* ===========================
   Navigation
   =========================== */

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-medium);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
}

.nav-brand {
    display: flex;
    align-items: center;
}

.nav-logo {
    height: 50px;
    width: auto;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 3px 0;
    transition: all var(--transition-fast);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-menu a {
    color: var(--primary-color);
    font-family: var(--font-secondary);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    transition: color var(--transition-fast);
}

.nav-menu a:hover {
    color: var(--secondary-color);
}

/* ===========================
   Hero Section
   =========================== */

.hero {
    position: relative;
    min-height: 40vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    text-align: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,138.7C960,139,1056,117,1152,106.7C1248,96,1344,96,1392,96L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
}

.hero-content {
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    margin-bottom: var(--spacing-lg);
    font-weight: 300;
}

/* ===========================
   Introduction Section
   =========================== */

.intro-section {
    background-color: var(--light-bg);
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.profile-image {
    text-align: center;
}

.profile-image img {
    width: 100%;
    max-width: 300px;
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-medium);
}

.profile-image img:hover {
    transform: scale(1.05);
}

.intro-text h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.intro-text p {
    font-size: 1.1rem;
    line-height: 1.8;
}

.contact-quick {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.contact-link {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--white);
    border-radius: 50px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
    font-weight: 500;
}

.contact-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ===========================
   Professions Section
   =========================== */

.professions-section {
    background-color: var(--white);
}

.profession-intro {
    font-size: 1.2rem;
    color: var(--text-light);
    font-style: italic;
    margin-bottom: var(--spacing-sm);
}

.professions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.profession-card {
    padding: var(--spacing-lg);
    background-color: var(--light-bg);
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.profession-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.profession-card-highlight {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
}

.profession-card h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.profession-card-highlight h3 {
    color: var(--white);
}

.profession-card-highlight em {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.linkedin-cta {
    text-align: center;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--highlight-bg);
    border-radius: 10px;
}

/* ===========================
   Help Section
   =========================== */

.help-section {
    background-color: var(--light-bg);
}

.help-intro {
    max-width: 900px;
    margin: 0 auto var(--spacing-lg);
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.principle-card {
    padding: var(--spacing-lg);
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--accent-color);
    transition: all var(--transition-medium);
}

.principle-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.principle-card h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.help-summary {
    text-align: center;
    max-width: 800px;
    margin: var(--spacing-lg) auto 0;
    padding: var(--spacing-lg);
    background-color: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow-md);
}

/* ===========================
   Specialties Section
   =========================== */

.specialties-section {
    background-color: var(--white);
}

.specialties-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.specialty-card {
    padding: var(--spacing-lg);
    background-color: var(--light-bg);
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

.specialty-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.specialty-card h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.highlight-keyword {
    color: var(--accent-color);
    font-weight: 600;
}

/* ===========================
   Projects Section
   =========================== */

.projects-section {
    background-color: var(--light-bg);
}

.projects-section .container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    max-width: none;
}

.projects-section > .container > h2,
.projects-section > .container > p {
    width: 100%;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(700px, 1fr));
    gap: var(--spacing-md);
}

.project-card {
    background-color: var(--white);
    border-radius: 15px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: box-shadow var(--transition-medium);
}

.project-card:hover {
    box-shadow: var(--shadow-lg);
}

/* Deux colonnes sur écran 1080p */
@media (min-width: 1024px) and (max-width: 1920px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

.project-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

.project-title {
    color: var(--primary-color);
    margin-top: var(--spacing-md);
}

.project-logo {
    display: inline-block;
}

.project-logos {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.project-logo img,
.project-logos img {
    height: 80px;
    width: auto;
    object-fit: contain;
}

.project-logo-placeholder {
    width: 250px;
    height: 110px;
    background-color: var(--light-bg);
    border: 2px dashed var(--border-color);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

.project-badge {
    max-height: 40px;
    max-width: 120px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.project-content p {
    font-size: 1.05rem;
    line-height: 1.8;
}

.project-challenge,
.project-solution {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md);
    background-color: var(--light-bg);
    border-radius: 10px;
    border-left: 4px solid var(--accent-color);
}

.project-solution {
    border-left-color: var(--secondary-color);
}

.project-challenge h4,
.project-solution h4 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.project-result {
    font-weight: 600;
    color: var(--secondary-color);
    font-size: 1.1rem;
    padding: var(--spacing-sm);
    background-color: rgba(127, 163, 255, 0.1);
    border-radius: 5px;
}

.project-highlight-box {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--accent-color) 0%, #ffc857 100%);
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.project-highlight-box h4 {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.project-highlight-box h4 a {
    color: var(--white);
    text-decoration: none;
    border-bottom: 3px solid var(--white);
    transition: all var(--transition-fast);
}

.project-highlight-box h4 a:hover {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.project-highlight-box p {
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 500;
    margin: 0;
}

.project-screenshot {
    margin: var(--spacing-lg) 0;
}

.project-screenshot img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: var(--shadow-md);
}

.project-screenshot .caption {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: var(--spacing-xs);
    font-style: italic;
}

.placeholder-image {
    width: 100%;
    height: 250px;
    background-color: var(--light-bg);
    border: 2px dashed var(--border-color);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-light);
}

.project-screenshots-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.project-screenshots-grid .project-screenshot {
    flex: 1 1 250px;
    min-width: 250px;
}

.testimonial {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-lg);
    background-color: var(--light-bg);
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    border-left: 5px solid var(--secondary-color);
}

.testimonial-text {
    font-size: 1.05rem;
    line-height: 1.8;
    font-style: italic;
    color: var(--text-color);
    margin-bottom: var(--spacing-md);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.testimonial-author img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: var(--shadow-sm);
}

.author-name {
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.author-title {
    color: var(--text-light);
    font-size: 0.95rem;
}

.testimonial-author-inline {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 2px solid rgba(0, 0, 0, 0.1);
}

.testimonial-author-inline p {
    margin-bottom: 0.25rem;
}

.testimonials-multiple {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.testimonials-multiple .testimonial {
    flex: 1 1 400px;
    min-width: 400px;
}

@media (max-width: 768px) {
    .testimonials-multiple .testimonial {
        flex: 1 1 100%;
        min-width: 280px;
    }
}

/* ===========================
   CTA Section
   =========================== */

.cta-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    text-align: center;
}

.cta-section h2 {
    color: var(--white);
}

.cta-section p {
    font-size: 1.2rem;
}

/* ===========================
   Contact Section
   =========================== */

.contact-section {
    background-color: var(--light-bg);
}

.contact-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.contact-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-lg);
    background-color: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    min-width: 250px;
    transition: all var(--transition-medium);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
}

.contact-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.contact-text {
    font-family: var(--font-secondary);
    font-weight: 600;
    font-size: 1.1rem;
}

.contact-card:hover .contact-text {
    color: var(--white);
}

/* ===========================
   Footer
   =========================== */

.footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.footer-logo {
    height: 80px;
    width: auto;
    margin-bottom: var(--spacing-md);
    filter: brightness(0) invert(1);
}

.footer-legal h3 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-legal p {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.cookies-notice {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

/* ===========================
   Animations
   =========================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===========================
   Responsive Design
   =========================== */

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--white);
        width: 100%;
        text-align: center;
        transition: left var(--transition-medium);
        box-shadow: var(--shadow-md);
        padding: var(--spacing-md) 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        margin: var(--spacing-sm) 0;
    }

    .intro-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .contact-quick {
        justify-content: center;
    }

    .professions-grid {
        grid-template-columns: 1fr;
    }

    .principles-grid,
    .specialties-grid {
        grid-template-columns: 1fr;
    }

    .project-logos {
        flex-direction: column;
        align-items: center;
    }

    .project-screenshots-grid {
        grid-template-columns: 1fr;
    }

    .testimonial-author {
        flex-direction: column;
        text-align: center;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-md: 1.5rem;
        --spacing-lg: 2rem;
        --spacing-xl: 2.5rem;
    }

    .section {
        padding: var(--spacing-lg) 0;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero {
        min-height: 35vh;
    }

    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.95rem;
    }

    .project-card,
    .principle-card,
    .specialty-card,
    .profession-card {
        padding: var(--spacing-md);
    }
}

/* ===========================
   Print Styles
   =========================== */

@media print {
    .navbar,
    .nav-toggle,
    .hero,
    .cta-section,
    .footer {
        display: none;
    }

    body {
        font-size: 12pt;
    }

    .section {
        page-break-inside: avoid;
    }

    a {
        text-decoration: underline;
    }
}