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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #ffffff;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

/* Background avec image et particules */
.background {
    position: fixed;
    width: 100vw;
    height: 100vh;
    top: 0;
    left: 0;
    z-index: -1;
    background: url('background.jpg') center/cover no-repeat fixed;
}

/* Container pour les particules de neige */
.snow-container {
    position: fixed;
    width: 100vw;
    height: 100vh;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.snow-container .shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.8);
    pointer-events: none;
}

@keyframes snowfall {
    0% {
        transform: translateY(-100px) translateX(0);
        opacity: 1;
    }
    100% {
        transform: translateY(calc(100vh + 100px)) translateX(var(--drift));
        opacity: 1;
    }
}

/* Effet Glassmorphism */
.glass-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-top: 1px solid rgba(255, 255, 255, 0.5);
    border-left: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37),
                inset 0 1px 0 0 rgba(255, 255, 255, 0.2);
    padding: 40px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.5),
                inset 0 1px 0 0 rgba(255, 255, 255, 0.3);
}

/* Navigation */
.glass-nav {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1200px;
    padding: 20px 40px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-top: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3),
                inset 0 1px 0 0 rgba(255, 255, 255, 0.2);
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    z-index: 1000;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    background: linear-gradient(135deg, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    grid-column: 2;
    justify-self: center;
    text-align: center;
}

.nav-links {
    display: flex;
    list-style: none;
    grid-column: 3;
    justify-self: end;
    gap: 30px;
}

.nav-links a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: #ffffff;
    transition: width 0.3s ease;
}

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

/* Main Content */
main {
    padding-top: 120px;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
    position: relative;
    z-index: 1;
}

/* Hero Section */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero-card {
    max-width: 800px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.gradient-text {
    background: linear-gradient(135deg, #fff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.5rem;
    margin-bottom: 15px;
    opacity: 0.9;
}

.description {
    font-size: 1.1rem;
    opacity: 0.8;
    margin-bottom: 30px;
}

/* Bouton Glass */
.glass-button {
    padding: 15px 40px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.04));
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-top: 1px solid rgba(255, 255, 255, 0.6);
    border-left: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 50px;
    color: #ffffff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2),
                inset 0 1px 0 0 rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.glass-button:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.06));
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3),
                inset 0 1px 0 0 rgba(255, 255, 255, 0.4);
}

/* About Section */
.about {
    margin: 100px 0;
}

.about h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.about p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 30px;
    opacity: 0.9;
}

.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.glass-tag {
    padding: 10px 20px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.04));
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-top: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 25px;
    font-size: 0.9rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2),
                inset 0 1px 0 0 rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.glass-tag:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.06));
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25),
                inset 0 1px 0 0 rgba(255, 255, 255, 0.3);
}

/* Projects Section */
.projects {
    margin: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    text-align: center;
}

.project-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.project-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.project-card p {
    opacity: 0.9;
    margin-bottom: 20px;
    line-height: 1.6;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 12px 28px;
    color: #ffffff;
    text-decoration: none;
    font-weight: 600;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.04));
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-top: 1px solid rgba(255, 255, 255, 0.55);
    border-left: 1px solid rgba(255, 255, 255, 0.55);
    border-radius: 999px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25),
                inset 0 1px 0 0 rgba(255, 255, 255, 0.25);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.project-link::after {
    content: '→';
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.project-link:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.06));
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3),
                inset 0 1px 0 0 rgba(255, 255, 255, 0.35);
}

.project-link:hover::after {
    transform: translateX(4px);
}

/* Contact Section */
.contact {
    margin: 100px 0;
}

.contact-card {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.contact p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-item {
    color: #ffffff;
    text-decoration: none;
    display: inline-block;
}

/* Footer */
.glass-footer {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.02));
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-top: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: inset 0 1px 0 0 rgba(255, 255, 255, 0.2);
    padding: 30px;
    text-align: center;
    margin-top: 100px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1.2rem;
    }

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

    .glass-nav {
        padding: 15px 20px;
    }
}