/* ===== VARIABLES CSS ===== */
:root {
    /* Couleurs */
    --primary-color: #90a9ee;
    --primary-dark: #081c54;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --text-color: #232529;
    --text-light: #6b7280;
    --background-color: #ffffff;
    --background-light: #f8fafc;
    --border-color: #e5e7eb;
    
    /* Typographie */
    --font-family: 'Poppins', sans-serif;
    --font-size-base: 16px;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Espacements */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Ombres */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ===== RESET CSS ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-light);
}

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

a:hover {
    color: var(--primary-dark);
}

/* ===== LAYOUT ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

section {
    padding: var(--spacing-3xl) 0;
}

/* ===== AJUSTEMENTS LOGO DANS LA NAVIGATION ===== */
.nav-logo-img {
    height: 80px;
    width: auto;
    object-fit: contain;
    transition: all var(--transition-fast);
}

.nav-logo-img:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

.nav-container {
    align-items: center;
}

/* ===== UTILITIES ===== */
.highlight {
    color: var(--primary-color);
    font-weight: 700;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: 6px;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    font-size: var(--font-size-base);
}

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

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

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

.btn-secondary:hover {
    background-color: var(--text-color);
    color: white;
    transform: translateY(-2px);
}

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

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

.btn-small {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.875rem;
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    backdrop-filter: blur(20px);
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-fast);
    height: 80px;
}

.navbar.scrolled {
    background: linear-gradient(50deg, var(--primary-color) 0%, #e1dce7 80%);
    box-shadow: var(--shadow-xl);
}
.navbar.scrolled .welcome-text {
    color: white; /* ou une autre couleur, comme var(--accent-color) pour une couleur vive */
    text-shadow: #1f2937;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.nav-logo:hover {
    opacity: 0.8;
}

.welcome-text {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: black;
    text-shadow: 0 2px 10px rgba(255, 255, 255, 0.2);
    font-family: consolas, monospace;
}

.nav-logo-right {
    font-size: 20px;
    color: rgb(37, 37, 37);
    font-family: 'Poppins', sans-serif;
}

/* ===== HORLOGE INTERACTIVE ===== */
.interactive-clock {
    position: relative;
    top: 200px;
    width: 380px;
    height: 380px;
}

.clock-circle {
    width: 100%;
    height: 100%;
    border: 3px solid rgb(22, 2, 2);
    border-radius: 50%;
    position: relative;
    background: rgba(119, 186, 31, 0.929);
    backdrop-filter: blur(10px);
}

.clock-center {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 10px;
    height: 10px;
    background: white;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    box-shadow: 0 0 10px rgba(255,255,255,0.5);
}

.clock-hand {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 3px;
    height: 60px;
    background: white;
    transform-origin: bottom center;
    transform: translate(-50%, -100%) rotate(0deg);
    transition: transform 0.3s ease;
    border-radius: 2px;
    box-shadow: 0 0 10px rgba(255,255,255,0.3);
}

.clock-hand::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 20%;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-bottom: 8px solid white;
    transform: translateX(-50%);
}

/* Sections du menu autour de l'horloge */
.menu-section {
    position: absolute;
    font-size: 20px;
    font-weight: 500;
    color: white;
    cursor: pointer;
    transition: all var(--transition-fast);
    padding: 6px 12px;
    border-radius: 15px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
}

.menu-section:hover {
    background: rgba(255,255,255,0.2);
    transform: scale(1.05);
}

.menu-section.active {
    background: rgba(78, 205, 196, 0.3);
    color: #4ecdc4;
    transform: scale(1.1);
    border-color: #4ecdc4;
}

.section-accueil {
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
}

.section-apropos {
    top: 50%;
    right: 10px;
    transform: translateY(-50%);
}

.section-projets {
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
}

.section-competences {
    top: 50%;
    left: 10px;
    transform: translateY(-50%);
}

.section-contact {
    top: 25%;
    left: 25%;
    transform: translate(-50%, -50%);
}

/* ===== HERO SECTION ===== */
.hero {
    padding: 180px 0 var(--spacing-3xl);
    background: linear-gradient(135deg, var(--background-color) 0%, var(--background-light) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-content {
    animation: fadeInLeft 1s ease;
}

.hero-title {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-lg);
    color: var(--text-color);
}

.hero-subtitle {
    font-size: var(--font-size-2xl);
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.hero-description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2xl);
    color: var(--text-light);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-lg);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease;
}

.image-placeholder {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: white;
    box-shadow: var(--shadow-xl);
}

/* ===== SECTIONS ===== */
.about {
    background-color: var(--background-light);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.stat {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: white;
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast);
}

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

.stat h3 {
    font-size: var(--font-size-3xl);
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.stat p {
    color: var(--text-light);
    margin: 0;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.skill-category {
    text-align: center;
    padding: var(--spacing-2xl);
    background-color: white;
    border-radius: 10px;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-fast);
}

.skill-category:hover {
    transform: translateY(-10px);
}

.skill-category h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-xl);
}

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

.skill-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-lg);
    background-color: var(--background-light);
    border-radius: 8px;
    transition: all var(--transition-fast);
}

.skill-item:hover {
    background-color: var(--primary-color);
    color: white;
    transform: scale(1.05);
}

.skill-item i {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
    transition: color var(--transition-fast);
}

.skill-item:hover i {
    color: white;
}

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

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.project-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.project-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
}
.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.project-content {
    padding: var(--spacing-xl);
}

.project-content h3 {
    color: var(--text-color);
    margin-bottom: var(--spacing-md);
}

.project-content p {
    margin-bottom: var(--spacing-lg);
    color: var(--text-light);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.project-tech span {
    background-color: var(--background-light);
    color: var(--primary-color);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: var(--spacing-md);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.contact-info h3 {
    margin-bottom: var(--spacing-lg);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-item i {
    color: var(--primary-color);
    font-size: var(--font-size-lg);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    border-radius: 50%;
    transition: all var(--transition-fast);
}
.social-link i {
  color: white;
  font-size: 1.5rem;
}
.social-link:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    background-color: rgb(49, 49, 198);
}

.footer {
    background: rgb(218, 215, 215);
    color: white;
    text-align: center;
    padding: 1rem 0;
    font-size: 10px;
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: var(--spacing-md);
        height: auto;
        padding: var(--spacing-lg) var(--spacing-xl);
    }

    .navbar {
        height: auto;
        min-height: 140px;
    }

    .interactive-clock {
        width: 300px;
        height: 300px;
        top: 150px;
    }

    .hero {
        padding: 200px 0 var(--spacing-3xl);
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-image {
        display: none;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }

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

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

    .contact-content {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
}

/* ===== MODAL CUSTOM - Remplacement de alert() ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.modal-content {
    background-color: white;
    padding: var(--spacing-xl);
    border-radius: 10px;
    box-shadow: var(--shadow-xl);
    max-width: 400px;
    width: 90%;
    text-align: center;
    position: relative;
}

.modal-content h4 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.modal-content button {
    margin-top: var(--spacing-lg);
}