/* ============================================
   VARIABLES & RESET
   ============================================ */

:root {
    /* Dark Theme */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --text-primary: #e8e8e8;
    --text-secondary: #a0a0a8;
    --accent: #00ff88;
    --accent-rgb: 0, 255, 136;
    --accent-secondary: #00d4ff;
    --glass-bg: rgba(18, 18, 26, 0.4);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: rgba(0, 0, 0, 0.3);
    --glow-color: rgba(100, 100, 150, 0.15);

    /* Typography */
    --font-main: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
    --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

[data-theme="light"] {
    --bg-primary: #f5f5fa;
    --bg-secondary: #ffffff;
    --text-primary: #1a1a1f;
    --text-secondary: #5a5a65;
    --accent: #00cc6a;
    --accent-rgb: 0, 204, 106;
    --accent-secondary: #0099ff;
    --glass-bg: rgba(255, 255, 255, 0.5);
    --glass-border: rgba(0, 0, 0, 0.08);
    --glass-shadow: rgba(0, 0, 0, 0.1);
    --glow-color: rgba(100, 100, 150, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
}

/* ============================================
   ANIMATED BACKGROUND
   ============================================ */

.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

#matrix {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.03;
}

.gradient-orbs {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.25;
    animation: float 25s infinite ease-in-out;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(100, 100, 200, 0.3) 0%, transparent 70%);
    top: -15%;
    left: -15%;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(150, 100, 200, 0.25) 0%, transparent 70%);
    bottom: -15%;
    right: -15%;
    animation-delay: -10s;
}

.orb-3 {
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(100, 150, 200, 0.2) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    animation-delay: -20s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    25% {
        transform: translate(80px, -80px) scale(1.05);
    }

    50% {
        transform: translate(-60px, 80px) scale(0.95);
    }

    75% {
        transform: translate(-80px, -60px) scale(1.02);
    }
}

/* ============================================
   GLASS EFFECT
   ============================================ */

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px var(--glass-shadow);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   NAVIGATION
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 1rem 0;
    box-shadow: 0 4px 30px var(--glass-shadow);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.2rem;
    transition: all 0.3s ease;
    position: relative;
}

.logo::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}

.logo:hover::after {
    width: 100%;
}

.logo:hover {
    transform: translateY(-2px);
}

.logo-bracket {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.logo:hover .logo-bracket {
    color: var(--accent-secondary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    position: relative;
    padding: 0.5rem 0;
    transition: all 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
    transition: width 0.3s ease;
    border-radius: 2px;
}

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

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

.theme-toggle {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    padding: 0.7rem 1.2rem;
    cursor: pointer;
    border-radius: 50px;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.theme-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px var(--glow-color);
    border-color: var(--glass-border);
}

.theme-toggle:active {
    transform: translateY(0);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 0.4rem;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 2rem;
}

.hero-content {
    max-width: 900px;
}

.glitch-wrapper {
    position: relative;
}

.hero-title {
    font-size: clamp(3rem, 10vw, 7rem);
    font-weight: 900;
    color: var(--accent);
    margin-bottom: 1rem;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-title::before,
.hero-title::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.8;
}

.hero-title::before {
    color: #ff00ff;
    animation: glitch1 2.5s infinite;
    clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
}

.hero-title::after {
    color: #00ffff;
    animation: glitch2 2.5s infinite;
    clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
}

@keyframes glitch1 {

    0%,
    100% {
        transform: translate(0);
    }

    20% {
        transform: translate(-2px, 2px);
    }

    40% {
        transform: translate(-2px, -2px);
    }

    60% {
        transform: translate(2px, 2px);
    }

    80% {
        transform: translate(2px, -2px);
    }
}

@keyframes glitch2 {

    0%,
    100% {
        transform: translate(0);
    }

    20% {
        transform: translate(2px, -2px);
    }

    40% {
        transform: translate(2px, 2px);
    }

    60% {
        transform: translate(-2px, -2px);
    }

    80% {
        transform: translate(-2px, 2px);
    }
}

.terminal-text {
    font-size: 1.2rem;
    color: var(--accent);
    margin-bottom: 1rem;
    font-family: var(--font-main);
}

.prompt {
    color: var(--text-secondary);
}

.typing-text {
    color: var(--text-primary);
}

.cursor {
    animation: blink 1s infinite;
    color: var(--accent);
}

@keyframes blink {

    0%,
    49% {
        opacity: 1;
    }

    50%,
    100% {
        opacity: 0;
    }
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    font-family: var(--font-display);
}

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

.cta-btn {
    position: relative;
    padding: 1.1rem 2.5rem;
    font-size: 1rem;
    text-decoration: none;
    color: var(--text-primary);
    border-radius: 50px;
    overflow: hidden;
    transition: all 0.3s ease;
    font-weight: 500;
}

.cta-btn span {
    position: relative;
    z-index: 2;
}

.cta-btn-anim::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-secondary) 100%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
    z-index: 1;
}

.cta-btn:hover::before {
    width: 300px;
    height: 300px;
}

.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px var(--glow-color);
}

.cta-btn.secondary {
    border-color: var(--accent-secondary);
}

.scroll-indicator {
    margin-top: 5rem;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--glass-border);
    border-radius: 25px;
    position: relative;
    margin: 0 auto;
}

.wheel {
    width: 4px;
    height: 10px;
    background: var(--accent);
    border-radius: 2px;
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        top: 10px;
    }

    100% {
        opacity: 0;
        top: 30px;
    }
}

/* ============================================
   SECTIONS
   ============================================ */

.section {
    padding: 8rem 0;
    position: relative;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 4rem;
    font-size: 2.5rem;
    color: var(--text-primary);
}

.title-number {
    font-size: 1.5rem;
    color: var(--accent);
    font-family: var(--font-main);
}

.title-text {
    font-family: var(--font-display);
    font-weight: 700;
}

.title-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, var(--glass-border), transparent);
}

/* ============================================
   ABOUT SECTION
   ============================================ */

.about-content {
    border-radius: 30px;
    padding: 3rem;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
    align-items: start;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
}

.about-text .lead {
    font-size: 1.3rem;
    color: var(--text-primary);
    font-weight: 500;
}

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

.quote {
    margin-top: 2rem;
    padding: 2rem;
    border-radius: 20px;
    border-left: 4px solid var(--accent);
    position: relative;
}

.quote-icon {
    font-size: 4rem;
    color: var(--accent);
    opacity: 0.2;
    position: absolute;
    top: -10px;
    left: 10px;
}

.quote p {
    font-style: italic;
    color: var(--text-primary);
    position: relative;
    z-index: 1;
}

.stats-grid {
    display: grid;
    gap: 1.5rem;
}

.stat-card {
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px var(--glow-color);
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.stat-value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent);
    font-family: var(--font-display);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* ============================================
   SKILLS SECTION - NOUVEAU SYSTÈME PRO
   ============================================ */

.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.skill-category {
    padding: 2.5rem;
    border-radius: 30px;
    transition: all 0.4s ease;
}

.skill-category:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px var(--glow-color);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--glass-border);
}

.category-icon {
    font-size: 2.2rem;
    filter: drop-shadow(0 0 10px var(--glow-color));
}

.category-header h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    font-family: var(--font-display);
    font-weight: 600;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.skill-badge {
    padding: 0.7rem 1.3rem;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: 25px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    cursor: default;
    position: relative;
    overflow: hidden;
}

.skill-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.skill-badge:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 5px 20px var(--glow-color);
}

.skill-badge:hover::before {
    left: 100%;
}

/* ============================================
   PROJECTS SECTION
   ============================================ */

.projects-grid {
    display: grid;
    gap: 2.5rem;
}

.project-card {
    padding: 3rem;
    border-radius: 30px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 2rem;
    align-items: start;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
}

.project-card:hover {
    transform: translateX(15px);
    box-shadow: 0 15px 60px var(--glow-color);
}

.project-number {
    font-size: 4rem;
    font-weight: 900;
    color: var(--accent);
    opacity: 0.15;
    font-family: var(--font-display);
    transition: opacity 0.3s ease;
}

.project-card:hover .project-number {
    opacity: 0.3;
}

.project-content h3 {
    font-size: 1.8rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-family: var(--font-display);
}

.project-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.tag {
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.tag:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.project-links {
    display: flex;
    align-items: center;
}

.project-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    text-decoration: none;
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    transition: all 0.3s ease;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
}

.project-link:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 5px 25px var(--glow-color);
}

.project-link-no {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    text-decoration: none;
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    transition: all 0.3s ease;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
}

.project-link-no:hover {
    border-color: red;
    color: red;
    transform: translateY(-3px);
    box-shadow: 0 5px 25px var(--glow-color);
}

.project-glow {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--glow-color) 0%, transparent 70%);
    border-radius: 50%;
    top: 50%;
    right: -150px;
    transform: translateY(-50%);
    pointer-events: none;
    opacity: 0.5;
    transition: all 0.3s ease;
}

.project-card:hover .project-glow {
    right: -100px;
    opacity: 0.8;
}

/* ============================================
   BLOG SECTION
   ============================================ */

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2.5rem;
}

.blog-card {
    padding: 2.5rem;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    display: block;
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px var(--glow-color);
}

.blog-date {
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: 0.1em;
}

.blog-card h3 {
    font-size: 1.6rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-family: var(--font-display);
    transition: color 0.3s ease;
}

.blog-card:hover h3 {
    color: var(--accent);
}

.blog-card p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.blog-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.blog-arrow {
    font-size: 1.5rem;
    color: var(--accent);
    transition: transform 0.3s ease;
}

.blog-card:hover .blog-arrow {
    transform: translateX(8px);
}

.card-glow {
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, var(--glow-color) 0%, transparent 70%);
    border-radius: 50%;
    top: -50px;
    right: -50px;
    pointer-events: none;
    opacity: 0.6;
    transition: all 0.3s ease;
}

.blog-card:hover .card-glow {
    width: 250px;
    height: 250px;
    opacity: 1;
}

/* ============================================
   CONTACT SECTION
   ============================================ */

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-text {
    padding: 3rem;
    border-radius: 30px;
    text-align: center;
}

.contact-text h3 {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-family: var(--font-display);
}

.contact-text p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.contact-methods {
    display: grid;
    gap: 1.5rem;
}

.contact-btn {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem 2rem;
    text-decoration: none;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.contact-btn:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 40px var(--glow-color);
}

.btn-icon {
    font-size: 2rem;
}

.btn-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.btn-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.btn-value {
    font-size: 1.1rem;
    color: var(--text-primary);
    font-weight: 600;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    margin-top: 8rem;
    padding: 2rem;
    border-radius: 30px 30px 0 0;
    text-align: center;
}

.footer-content p {
    color: var(--text-secondary);
    margin: 0.5rem 0;
}

.footer-tagline {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .container {
        padding: 0 2rem;
    }

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

    .skills-container {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }

    .project-card {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
    }

    .project-number {
        font-size: 3rem;
    }
}

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

    .mobile-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 3rem;
    }

    .section {
        padding: 4rem 0;
    }

    .section-title {
        font-size: 2rem;
    }

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

    .about-content,
    .contact-text {
        padding: 2rem;
    }

    .skill-category {
        padding: 1.5rem;
    }

    .project-card {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .cta-btn {
        width: 100%;
    }
}

/* ============================================
   ANIMATIONS & UTILITIES
   ============================================ */

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeIn 0.8s ease forwards;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-secondary);
}

/* Selection */
::selection {
    background: rgba(var(--accent-rgb), 0.3);
    color: var(--text-primary);
}

/* Focus styles */
button:focus {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
}