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

:root {
    --bg: #000000;
    --bg-secondary: #000000;
    --bg-tertiary: #000000;
    --text: #42c9f1;
    --text-secondary: #ffffff;
    --text-tertiary: #718096;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-light: #60a5fa;
    --border: #1e3a5f;
    --border-light: #2d4a6f;
    --link: #60a5fa;
    --link-hover: #93c5fd;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 16px;
    font-weight: 400;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.5rem 0;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

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

.nav-brand {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text);
    text-decoration: none;
    letter-spacing: -0.01em;
    transition: var(--transition);
}

.nav-brand:hover {
    color: var(--accent-light);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 400;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    width: 22px;
    height: 2px;
    background: var(--text);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 2rem 4rem;
    text-align: center;
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(80px);
}

.hero-container {
    max-width: 800px;
    width: 100%;
    position: relative;
    z-index: 1;
}

.hero-name {
    font-size: clamp(3rem, 10vw, 7rem);
    font-weight: 300;
    line-height: 1.1;
    letter-spacing: -0.04em;
    margin-bottom: 1rem;
    color: #ff2020;
    text-shadow:
        0 0 8px #ff2020,
        0 0 20px #ff2020,
        0 0 40px #ff0000,
        0 0 80px #ff0000;
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.5rem);
    font-weight: 500;
    color: var(--accent-light);
    margin-bottom: 2rem;
    letter-spacing: -0.01em;
}

.hero-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
}

.hero-description p {
    margin-bottom: 1rem;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--accent);
    color: var(--text);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 6px;
    transition: var(--transition);
    border: 1px solid transparent;
}

.hero-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
}

/* Section Styles */
section {
    padding: 6rem 0;
    position: relative;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 300;
    letter-spacing: -0.03em;
    color: var(--text);
    margin-bottom: 3rem;
    text-align: center;
}

/* Compétences Section */
.competences {
    background: var(--bg-secondary);
    color: var(--text);
}

.competences .section-title {
    color: var(--text);
}

.competences-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
}

.competence-category {
    background: var(--bg-tertiary);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.competence-category:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.1);
}

.category-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--accent-light);
    margin-bottom: 1.5rem;
    letter-spacing: -0.01em;
}

.competence-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.competence-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}

.competence-item:last-child {
    border-bottom: none;
}

.competence-name {
    font-size: 0.95rem;
    color: var(--text);
    font-weight: 400;
}

.competence-level {
    font-size: 0.85rem;
    color: var(--accent-light);
    font-weight: 500;
    text-transform: capitalize;
    padding: 0.25rem 0.75rem;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 4px;
}

/* Projets Section */
.projets {
    background: var(--bg);
}

.projets-list {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.projet-card {
    background: var(--bg-secondary);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: var(--transition);
    color: var(--text);
    position: relative;
    overflow: hidden;
}

.projet-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--accent);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.projet-card:hover::before {
    transform: scaleY(1);
}

.projet-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.2);
}

.projet-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 500;
    color: var(--text);
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.projet-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.projet-tags {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.tag {
    display: inline-block;
    padding: 0.4rem 0.9rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--accent-light);
    font-weight: 400;
    transition: var(--transition);
}

.tag:hover {
    border-color: var(--accent);
    background: rgba(59, 130, 246, 0.1);
}

.projet-link {
    display: inline-block;
    color: var(--accent-light);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
    margin-right: 1.5rem;
}

.projet-link:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

.projet-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

/* Contact Section */
.contact {
    background: var(--bg-secondary);
    color: var(--text);
}

.contact .section-title {
    color: var(--text);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-item {
    background: var(--bg-tertiary);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    text-align: center;
    transition: var(--transition);
}

.contact-item:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.1);
}

.contact-item-title {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.contact-item-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.contact-link {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--accent);
    color: var(--text);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 6px;
    transition: var(--transition);
}

.contact-link:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
}

/* Footer */
.footer {
    border-top: 1px solid var(--border);
    padding: 2rem 0;
    background: var(--bg);
    color: var(--text);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.footer p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.heart {
    color: #ef4444;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 1.5rem;
    }

    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--bg-secondary);
        flex-direction: column;
        align-items: flex-start;
        padding: 6rem 2rem 2rem;
        border-left: 1px solid var(--border);
        transition: right 0.4s ease;
        z-index: 999;
    }

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

    .hero {
        padding: 6rem 1.5rem 3rem;
    }

    .section-container {
        padding: 0 1.5rem;
    }

    section {
        padding: 4rem 0;
    }

    .competences-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .hero-btn {
        width: 100%;
        max-width: 300px;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

    .hamburger.active span:nth-child(2) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
}

@media (max-width: 480px) {
    .projet-card {
        padding: 1.5rem;
    }

    .contact-item {
        padding: 2rem 1.5rem;
    }
}