/* Variables globales */
:root {
    /* Nouvelle palette de couleurs */
    --bg-dark: #0f172a;
    --bg-light: #ffffff;
    --primary: #3b82f6;
    --secondary: #06b6d4;
    --accent: #8b5cf6;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #f8fafc;
    
    /* Ombres */
    --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.1), 0 2px 4px -1px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.1), 0 4px 6px -2px rgba(15, 23, 42, 0.05);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Animations globales */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

@keyframes scaleIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-primary);
    line-height: 1.7;
}

/* Header et Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.2rem 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(15, 23, 42, 0.05);
    box-shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.02);
}

.nav-bar {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition);
}

.logo:hover {
    transform: translateY(-1px);
    opacity: 0.9;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    padding: 0.6rem 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    transition: width 0.3s ease;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
    transform: translateY(-1px);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    padding: 8rem 2rem 4rem;
    background: linear-gradient(to bottom right, #fafafa, #f0f9ff);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    text-align: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1), transparent 70%);
    transform: rotate(-45deg);
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    width: 100%;
    padding: 0 1rem;
}

.hero-text {
    max-width: 800px;
    margin: 0 auto;
}

.welcome-text {
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.welcome-text::before,
.welcome-text::after {
    content: '';
    height: 1px;
    width: clamp(20px, 3vw, 30px);
    background: var(--text-secondary);
    opacity: 0.5;
}

.hero-title {
    font-size: clamp(1.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: clamp(1rem, 3vw, 1.5rem);
    padding-bottom: 0.2em;
    color: var(--text-primary);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    word-wrap: break-word;
    hyphens: auto;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    color: var(--text-secondary);
    margin-bottom: clamp(2rem, 4vw, 2.5rem);
    font-weight: 400;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.cta-container {
    display: flex;
    gap: clamp(1rem, 2vw, 1.5rem);
    margin-top: clamp(2rem, 4vw, 3rem);
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 12px;
    transition: var(--transition);
    text-decoration: none;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: #2563eb;
}

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

.btn-secondary:hover {
    background: rgba(59, 130, 246, 0.1);
    transform: translateY(-2px);
}

/* Sections communes */
section {
    padding: 6rem 2rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 4rem;
    color: var(--text-primary);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -1rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        display: none;
    }
    
    .hero {
        padding: 2rem 1rem;
        min-height: 100vh;
    }
    
    .hero-text {
        width: 100%;
    }
    
    .cta-container {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }

    .welcome-text {
        margin-bottom: 1rem;
    }

    .hero-subtitle {
        padding: 0 0.5rem;
    }
}

@media screen and (max-width: 480px) {
    .hero {
        padding: 6rem 1rem 3rem;
    }

    .hero-title {
        font-size: clamp(1.25rem, 4vw, 2.5rem);
        line-height: 1.3;
        padding: 0 0.5rem;
    }

    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
}

@media screen and (max-width: 350px) {
    .hero-title {
        font-size: clamp(1.1rem, 3.5vw, 2rem);
        line-height: 1.4;
        padding: 0 0.25rem;
    }
}

/* Burger Menu */
.burger {
    display: none;
    cursor: pointer;
    width: 24px;
    height: 24px;
    position: relative;
}

.burger div {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    margin: 6px 0;
    transition: var(--transition);
}

/* Animation classes */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 0.6s ease forwards;
}

.fade-in-delay-1 {
    animation-delay: 0.2s;
}

.fade-in-delay-2 {
    animation-delay: 0.4s;
}

@keyframes fadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* À propos */
.about {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(139, 92, 246, 0.05));
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(59, 130, 246, 0.1), transparent 60%);
    pointer-events: none;
}

.about-content {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 4rem;
}

.about-text {
    flex: 1;
    text-align: left;
    padding: 2rem;
}

.about-text p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.about-text strong {
    color: var(--text-primary);
    font-weight: 600;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-image {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 3rem;
}

.about-image i {
    font-size: 8rem;
    color: var(--primary);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: float 3s ease-in-out infinite;
}

.about-image::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1), transparent 70%);
    border-radius: 50%;
    z-index: -1;
}

@media (max-width: 768px) {
    .about-content {
        flex-direction: column;
        padding: 1.5rem;
        gap: 2rem;
    }
    
    .about-text {
        padding: 0;
    }
    
    .about-text p {
        font-size: 1.1rem;
    }
    
    .about-image {
        order: -1;
        padding: 2rem;
    }

    .about-image i {
        font-size: 6rem;
    }
}

/* Compétences améliorées */
.skills {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(139, 92, 246, 0.05));
    position: relative;
    overflow: hidden;
}

.skills::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(59, 130, 246, 0.1), transparent 60%);
    pointer-events: none;
}

.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.skill-category {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.skill-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.skill-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid rgba(59, 130, 246, 0.1);
}

.skill-header i {
    font-size: 2rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.skill-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.skill-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.skill-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.5rem;
    border-radius: 12px;
    transition: var(--transition);
}

.skill-item:hover {
    background: rgba(59, 130, 246, 0.05);
}

.skill-item i {
    font-size: 1.8rem;
    color: var(--primary);
    transition: var(--transition);
}

.skill-info {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.skill-info-left {
    flex: 1;
}

.skill-info span {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.3rem;
}

.skill-percentage {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary);
    min-width: 45px;
    text-align: right;
}

.skill-level {
    height: 8px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 4px;
    overflow: hidden;
    flex: 1;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 4px;
    transition: width 1s ease-in-out;
}

@media (max-width: 768px) {
    .skills-container {
        grid-template-columns: 1fr;
        padding: 0;
    }

    .skill-category {
        padding: 1.5rem;
    }

    .skill-header {
        margin-bottom: 1.5rem;
    }

    .skill-header i {
        font-size: 1.8rem;
    }

    .skill-header h3 {
        font-size: 1.3rem;
    }

    .skill-item i {
        font-size: 1.5rem;
    }
}

/* Projets améliorés */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.project-card {
    background-color: var(--white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.project-image {
    height: 220px;
    position: relative;
    overflow: hidden;
}

.project-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.2));
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-info {
    padding: 2rem;
}

.project-info h3 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.project-tech span {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: var(--gray-100);
    border-radius: 50px;
    margin: 0.3rem;
    font-size: 0.9rem;
    transition: var(--transition);
}

.project-tech span:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.project-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.project-links .btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    min-width: 100px;
}

.project-links .btn i {
    font-size: 0.8rem;
    margin-right: 0.5rem;
}

.project-link {
    text-decoration: none;
    color: var(--primary-color);
}

/* Contact amélioré */
.contact {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(139, 92, 246, 0.05));
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(59, 130, 246, 0.1), transparent 60%);
    pointer-events: none;
}

.contact-container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.contact-form {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease;
}

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

.form-group {
    margin-bottom: 2rem;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(59, 130, 246, 0.1);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    color: var(--text-primary);
    font-family: inherit;
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.form-group input:focus + label,
.form-group textarea:focus + label {
    color: var(--primary);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

.contact-form .btn {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.contact-form .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.3);
}

.contact-form .btn:active {
    transform: translateY(0);
}

.contact-form .btn i {
    font-size: 1.1rem;
}

/* Animation pour le message de succès/erreur */
.form-message {
    padding: 1rem;
    margin-top: 1rem;
    border-radius: 12px;
    text-align: center;
    font-weight: 500;
    animation: slideIn 0.3s ease;
}

.form-message.success {
    background: rgba(34, 197, 94, 0.1);
    color: rgb(21, 128, 61);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.form-message.error {
    background: rgba(239, 68, 68, 0.1);
    color: rgb(185, 28, 28);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Footer amélioré */
.footer {
    background: var(--bg-light);
    color: var(--text-primary);
    padding: 3rem 2rem;
    position: relative;
    border-top: 1px solid rgba(15, 23, 42, 0.1);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.footer-left {
    text-align: left;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-tagline {
    color: var(--text-secondary);
    font-size: 1rem;
    max-width: 300px;
    line-height: 1.6;
}

.footer-right {
    text-align: right;
}

.footer-copyright {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

@media screen and (max-width: 768px) {
    .footer {
        padding: 2rem 1.5rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }

    .footer-left, .footer-right {
        text-align: center;
    }

    .footer-tagline {
        margin: 0 auto;
    }
}

/* Media Queries améliorées */
@media screen and (max-width: 768px) {
    .hero-title {
        font-size: clamp(2rem, 4vw, 3rem);
        line-height: 1.3;
        padding-bottom: 0.2em;
    }

    .hero-content h1 {
        font-size: 3.5rem;
    }

    .hero-content h2 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    .cta-container {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        width: 100%;
        background: var(--glass-bg);
        backdrop-filter: blur(10px);
        flex-direction: column;
        align-items: center;
        padding: 2rem 0;
        gap: 1.5rem;
        border-bottom: 1px solid var(--glass-border);
        animation: slideIn 0.3s ease-out;
    }

    .nav-links.active {
        display: flex;
    }

    .burger {
        display: block;
    }

    .section-title {
        font-size: 2.2rem;
    }
}