/* Reset et variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #00ff41;
    --secondary-color: #ff0080;
    --accent-color: #00d4ff;
    --bg-color: #0a0a0a;
    --card-bg: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --gradient-primary: linear-gradient(135deg, #00ff41, #00d4ff);
    --gradient-secondary: linear-gradient(135deg, #ff0080, #ff4500);
    --font-primary: 'Orbitron', monospace;
    --font-secondary: 'Rajdhani', sans-serif;
    --shadow-neon: 0 0 20px rgba(0, 255, 65, 0.3);
    --shadow-pink: 0 0 20px rgba(255, 0, 128, 0.3);
    --shadow-blue: 0 0 20px rgba(0, 212, 255, 0.3);
    /* Navbar/Mobile menu */
    --navbar-height: 64px;
    --navmenu-bg-start: rgba(10, 12, 14, 0.98);
    --navmenu-bg-end: rgba(10, 10, 10, 0.96);
}

body {
    font-family: var(--font-secondary);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Matrix Background */
#matrix-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.1;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid var(--primary-color);
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: var(--navbar-height);
}

.nav-logo .logo-text {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-logo .logo-text:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 10px var(--primary-color));
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link.active {
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--primary-color);
}
@media (hover: hover) {
    .nav-link:hover {
        color: var(--primary-color);
        text-shadow: 0 0 10px var(--primary-color);
    }
}

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

.nav-link.active::after { width: 100%; }
@media (hover: hover) {
    .nav-link:hover::after { width: 100%; }
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: 0.3s;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 20px 50px;
    position: relative;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.terminal-window {
    background: #1a1a1a;
    border-radius: 10px;
    margin-bottom: 2rem;
    border: 1px solid var(--primary-color);
    box-shadow: var(--shadow-neon);
    animation: slideInLeft 1s ease-out;
}

.terminal-header {
    background: #2a2a2a;
    padding: 10px 15px;
    border-radius: 10px 10px 0 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.terminal-button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

.terminal-button:hover {
    transform: scale(1.2);
    box-shadow: 0 0 10px currentColor;
}

.terminal-button.red { background: #ff5f57; }
.terminal-button.yellow { background: #ffbd2e; }
.terminal-button.green { background: #28ca42; }

.terminal-title {
    margin-left: auto;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.terminal-body {
    padding: 20px;
    font-family: 'Courier New', monospace;
}

.prompt { color: var(--primary-color); }
.command { color: var(--text-primary); }
.cursor {
    animation: blink 1s infinite;
    color: var(--primary-color);
}
@keyframes blink { 0%,50%{opacity:1} 51%,100%{opacity:0} }

.hero-title {
    font-family: var(--font-primary);
    font-size: clamp(2.5rem, 8vw, 4rem);
    font-weight: 900;
    margin-bottom: 1rem;
    line-height: 1.2;
    animation: slideInRight 1s ease-out;
}

.glitch {
    position: relative;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glitch 2s infinite;
}

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

.glitch::before { animation: glitch-1 0.5s infinite; color: var(--secondary-color); z-index: -1; }
.glitch::after  { animation: glitch-2 0.5s infinite; color: var(--accent-color); z-index: -2; }

@keyframes glitch { 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 glitch-1 { 0%,100%{transform:translate(0)} 10%{transform:translate(-2px,-2px)} 20%{transform:translate(2px,2px)} 30%{transform:translate(-2px,2px)} 40%{transform:translate(2px,-2px)} }
@keyframes glitch-2 { 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)} }

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
    animation: slideInUp 1s ease-out 0.5s both;
}

.typing-animation {
    border-right: 2px solid var(--primary-color);
    animation: typing 3s steps(40) infinite;
}
@keyframes typing { 0%,100%{border-right-color:var(--primary-color)} 50%{border-right-color:transparent} }

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 500px;
    animation: slideInUp 1s ease-out 0.7s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    animation: slideInUp 1s ease-out 0.9s both;
}

/* Enhanced Social Links Styling */
.hero-social {
    display: flex;
    gap: 30px;
    margin-top: 40px;
    justify-content: center;
    flex-wrap: wrap;
    animation: slideInUp 1s ease-out 1.1s both;
}

.social-hero-link {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    background: rgba(0, 255, 255, 0.1);
    border: 2px solid rgba(0, 255, 255, 0.3);
    border-radius: 12px;
    text-decoration: none;
    color: #fff;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    min-width: 200px;
}

.social-hero-link::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0,255,255,0.2), transparent);
    transition: left 0.5s ease;
}
.social-hero-link:hover::before { left: 100%; }
.social-hero-link:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 255, 255, 0.4);
    border-color: #0ff;
}

.social-icon {
    display: flex; align-items: center; justify-content: center;
    width: 50px; height: 50px; background: rgba(0,255,255,0.1); border-radius: 8px;
    flex-shrink: 0;
}

/* Enhanced Profile Image Styling */
.profile-image-container {
    position: relative;
    width: 320px; height: 320px; border-radius: 50%; overflow: hidden;
    border: 4px solid var(--primary-color); box-shadow: var(--shadow-neon);
    transition: all 0.3s ease; animation: profileFloat 3s ease-in-out infinite;
}
.profile-image-container:hover { transform: scale(1.05); box-shadow: 0 0 40px rgba(0,255,65,0.6); border-color: var(--secondary-color); }

.profile-image { width:115%; height:127%; object-fit:cover; object-position:center; transition:.3s; filter:brightness(1.1) contrast(1.1); }
.profile-image-container:hover .profile-image { transform:scale(1.1); filter:brightness(1.2) contrast(1.2); }

.image-overlay { position:absolute; inset:0; background: radial-gradient(circle at center, transparent 40%, rgba(0,255,65,0.1) 100%); pointer-events:none; transition:.3s; }
.profile-image-container:hover .image-overlay { background: radial-gradient(circle at center, transparent 30%, rgba(0,255,65,0.2) 100%); }

.image-glow { position:absolute; top:-20px; left:-20px; right:-20px; bottom:-20px; border-radius:50%; background: conic-gradient(var(--primary-color) 0deg, var(--accent-color) 90deg, var(--secondary-color) 180deg, var(--primary-color) 270deg, var(--primary-color) 360deg); opacity:0; animation: glowRotate 4s linear infinite; z-index:-1; }
.profile-image-container:hover .image-glow { opacity:.3; }

@keyframes profileFloat { 0%,100%{transform:translateY(0) rotate(0)} 33%{transform:translateY(-10px) rotate(1deg)} 66%{transform:translateY(5px) rotate(-1deg)} }
@keyframes glowRotate { 0%{transform:rotate(0)} 100%{transform:rotate(360deg)} }

/* Responsive adjustments for profile image */
@media (max-width: 768px) {
    .profile-image-container { width: 250px; height: 250px; }
}
@media (max-width: 480px) {
    .profile-image-container { width: 200px; height: 200px; }
}

.platform-icon {
    width: 35px; height: 35px; object-fit: contain;
    filter: brightness(0.8) contrast(1.2);
    transition: all 0.3s ease;
}
/* Effets hover améliorés */
.github-link:hover .platform-icon { filter: brightness(1.2) contrast(1.3); transform: scale(1.1); }
.linkedin-link:hover .platform-icon { filter: brightness(1.2) contrast(1.3) hue-rotate(200deg); transform: scale(1.1); }
.hackerrank-link:hover .platform-icon { filter: brightness(1.2) contrast(1.3) hue-rotate(120deg); transform: scale(1.1); }

.social-profile { display:flex; flex-direction:column; gap:5px; }
.social-label { font-size:16px; font-weight:600; color:#0ff; }
.social-username { font-size:14px; color:#ccc; font-family:'Orbitron', monospace; }

/* Tooltip Enhancement */
.social-hero-link[data-tooltip]:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: -35px; left: 50%; transform: translateX(-50%);
    background: rgba(0,0,0,0.9); color:#0ff; padding:5px 10px; border-radius:4px; font-size:12px; white-space:nowrap; z-index:1000; border:1px solid #0ff;
}

/* Animation Enhancement */
.social-hero-link { animation: socialFloat 3s ease-in-out infinite; }
.social-hero-link:nth-child(1){animation-delay:0s}
.social-hero-link:nth-child(2){animation-delay:.5s}
.social-hero-link:nth-child(3){animation-delay:1s}
@keyframes socialFloat { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-3px)} }

.btn {
    display: inline-flex; align-items: center; gap: .5rem;
    padding: 12px 24px; border: none; border-radius: 50px;
    text-decoration: none; font-weight: 600; transition: all .3s ease;
    cursor: pointer; position: relative; overflow: hidden;
}
.btn::before {
    content:''; position:absolute; inset:0; left:-100%;
    background: linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);
    transition: all .5s ease;
}
.btn:hover::before { left:100%; }
.btn-primary { background: var(--gradient-primary); color: var(--bg-color); box-shadow: var(--shadow-neon); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(0,255,65,.4); }
.btn-secondary { background: transparent; color: var(--primary-color); border: 2px solid var(--primary-color); }
.btn-secondary:hover { background: var(--primary-color); color: var(--bg-color); transform: translateY(-2px); }

.hero-image {
    flex: 1; display:flex; justify-content:center; align-items:center; min-height:400px;
    animation: fadeIn 1s ease-out 1.3s both;
}
.image-placeholder {
    width:300px; height:300px; border:2px dashed var(--primary-color); border-radius:50%;
    display:flex; flex-direction:column; align-items:center; justify-content:center; color:var(--primary-color);
    animation:pulse 2s infinite; transition:.3s;
}
.image-placeholder:hover { border-color:var(--secondary-color); color:var(--secondary-color); transform:scale(1.05); }
.image-placeholder i { font-size:4rem; margin-bottom:1rem; }
@keyframes pulse { 0%,100%{box-shadow:0 0 0 0 rgba(0,255,65,.7)} 50%{box-shadow:0 0 0 20px rgba(0,255,65,0)} }

@keyframes slideInLeft { from{transform:translateX(-100px);opacity:0} to{transform:translateX(0);opacity:1} }
@keyframes slideInRight{ from{transform:translateX(100px);opacity:0} to{transform:translateX(0);opacity:1} }
@keyframes slideInUp   { from{transform:translateY(30px);opacity:0} to{transform:translateY(0);opacity:1} }
@keyframes fadeIn      { from{opacity:0} to{opacity:1} }

/* Section Styles */
section { padding: 80px 0; position: relative; }
.section-title {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.section-title .number { color: var(--primary-color); font-size: 1rem; vertical-align: top; margin-right: .5rem; }

/* About Section */
.about { background: linear-gradient(135deg, rgba(26, 26, 26, 0.8), rgba(10, 10, 10, 0.9)); }
.about-content { display:grid; grid-template-columns: 2fr 1fr; gap:3rem; align-items:start; }

/* About: centering and safe widths */
.about .container { max-width: 1100px; }
.about-text { max-width: 900px; margin: 0 auto; }
.about-text p { text-align: center; }
.about .code-block { max-width: 100%; margin-left: auto; margin-right: auto; }
/* Avoid horizontal overflow with long lines/links inside the code block */
.about .code-content {
    white-space: pre-wrap;      /* wrap code lines on small screens */
    word-break: break-word;     /* break long words */
}
.about .code-content a { word-break: break-all; }

.code-block {
    background:#1a1a1a; border-radius:10px; overflow:hidden; border:1px solid var(--primary-color);
    margin-bottom:2rem; box-shadow: var(--shadow-neon);
}
.code-header { background:#2a2a2a; padding:10px 20px; color:var(--text-secondary); font-size:.9rem; display:flex; align-items:center; gap:.5rem; }
.code-header::before { content:'●'; color:var(--primary-color); }
.code-content { padding:20px; font-family:'Courier New', monospace; font-size:.9rem; line-height:1.6; overflow-x:auto; }
.code-keyword{color:#ff79c6} .code-variable{color:#8be9fd} .code-property{color:#50fa7b} .code-string{color:#f1fa8c} .code-number{color:#bd93f9}

.stats-grid { display:grid; grid-template-columns:1fr 1fr; gap:1.5rem; }
.stat-item {
    text-align:center; padding:1.5rem; background:rgba(26,26,26,.8); border-radius:10px; border:1px solid var(--primary-color);
    transition:.3s; position:relative; overflow:hidden;
}
.stat-item::before { content:''; position:absolute; inset:0; left:-100%; background:linear-gradient(90deg,transparent,rgba(0,255,65,.1),transparent); transition:.5s; }
.stat-item:hover::before { left:100%; }
.stat-item:hover { transform: translateY(-5px); box-shadow: var(--shadow-neon); }
.stat-number { font-family:var(--font-primary); font-size:2.5rem; font-weight:900; color:var(--primary-color); display:block; margin-bottom:.5rem; }
.stat-label { color:var(--text-secondary); font-size:.9rem; }

/* Skills Section */
.skills-grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap:2rem; }
.skill-category { background: rgba(26,26,26,.8); padding:2rem; border-radius:15px; border:1px solid var(--primary-color); box-shadow: var(--shadow-neon); transition:.3s; }
.skill-category:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0,255,65,.2); }
.skill-category h3 { font-family:var(--font-primary); color:var(--primary-color); margin-bottom:1.5rem; display:flex; align-items:center; gap:.5rem; }
.skill-item { margin-bottom:1.5rem; }
.skill-item span { display:block; margin-bottom:.5rem; color:var(--text-primary); font-weight:500; }
.skill-bar { background:#2a2a2a; height:8px; border-radius:10px; overflow:hidden; position:relative; }
.skill-progress { height:100%; background: var(--gradient-primary); border-radius:10px; width:0; transition: width 2s ease; position:relative; }
.skill-progress::after { content:''; position:absolute; inset:0; background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent); animation: shimmer 2s infinite; }
@keyframes shimmer { 0%{transform:translateX(-100%)} 100%{transform:translateX(100%)} }

/* Languages Section */
.languages-section { margin-top:4rem; padding:2rem; background: rgba(26,26,26,.5); border-radius:20px; border:1px solid var(--primary-color); }
.languages-title {
    font-family:var(--font-primary); font-size:2rem; color:var(--primary-color); text-align:center; margin-bottom:2rem;
    display:flex; align-items:center; justify-content:center; gap:1rem;
}
.languages-title i { font-size: 2.5rem; background: var(--gradient-primary); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.languages-grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap:2rem; }

.language-card { background: rgba(26,26,26,.8); border-radius: 15px; padding:2rem; border:2px solid; transition:.3s; position:relative; overflow:hidden; }
.language-card::before { content:''; position:absolute; inset:0; left:-100%; background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent); transition:.5s; }
.language-card:hover::before { left:100%; }
.language-card.native { border-color:#ffd700; box-shadow:0 0 20px rgba(255,215,0,.3); }
.language-card.advanced { border-color:var(--primary-color); box-shadow: var(--shadow-neon); }
.language-card.intermediate { border-color:var(--accent-color); box-shadow: var(--shadow-blue); }

.language-header { display:flex; align-items:center; gap:1rem; margin-bottom:1.5rem; }
.language-icon { width:50px; height:50px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:1.5rem; background: var(--gradient-primary); color:var(--bg-color); animation: rotate 3s linear infinite; }
.language-card.native .language-icon { background: linear-gradient(135deg,#ffd700,#ffed4e); }
.language-card.advanced .language-icon { background: var(--gradient-primary); }
.language-card.intermediate .language-icon { background: linear-gradient(135deg, var(--accent-color), #4dabf7); }
@keyframes rotate { 0%,100%{transform:rotate(0)} 50%{transform:rotate(180deg)} }

.language-info h3 { font-family:var(--font-primary); font-size:1.2rem; color:var(--text-primary); margin-bottom:.5rem; }
.language-level { font-size:.9rem; font-weight:600; padding:.25rem .75rem; border-radius:15px; display:inline-block; }
.native-level { background: linear-gradient(135deg,#ffd700,#ffed4e); color:var(--bg-color); }
.advanced-level { background: var(--gradient-primary); color:var(--bg-color); }
.intermediate-level { background: linear-gradient(135deg, var(--accent-color), #4dabf7); color:var(--bg-color); }

.language-progress { margin:1.5rem 0; }
.progress-bar { background:#2a2a2a; height:12px; border-radius:10px; overflow:hidden; position:relative; }
.progress-fill { height:100%; border-radius:10px; width:0; transition: width 2s ease; position:relative; }
.native-progress { background: linear-gradient(135deg,#ffd700,#ffed4e); }
.advanced-progress { background: var(--gradient-primary); }
.intermediate-progress { background: linear-gradient(135deg, var(--accent-color), #4dabf7); }
.progress-fill::after { content:''; position:absolute; inset:0; background: linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent); animation: shimmer 2s infinite; }

.progress-text { text-align:center; margin-top:.5rem; font-size:.9rem; color:var(--text-secondary); font-weight:500; }
.language-skills { display:flex; flex-wrap:wrap; gap:.5rem; margin-top:1rem; }
.skill-tag { background: rgba(26,26,26,.8); color:var(--text-secondary); padding:.25rem .75rem; border-radius:15px; font-size:.8rem; border:1px solid var(--primary-color); transition:.3s; }
.skill-tag:hover { background: var(--primary-color); color:var(--bg-color); transform: translateY(-2px); }

/* Education Section */
.education { background: linear-gradient(135deg, rgba(26,26,26,.8), rgba(10,10,10,.9)); position:relative; }
.education::before { content:''; position:absolute; inset:0; background: radial-gradient(circle at 50% 50%, rgba(0,255,65,.05) 0%, transparent 70%); pointer-events:none; }
.education-timeline { position:relative; max-width:1000px; margin:0 auto; padding:2rem 0; }
.education-timeline::before {
    content:''; position:absolute; left:50%; top:0; bottom:0; width:4px; background: var(--gradient-primary);
    transform: translateX(-50%); border-radius:2px; box-shadow: 0 0 20px rgba(0,255,65,.5);
}
.education-item { position:relative; margin-bottom:4rem; display:flex; align-items:center; opacity:0; animation: slideInUp .6s ease forwards; }
.education-item:nth-child(even) { flex-direction: row-reverse; }
.education-item:nth-child(2){ animation-delay:.3s; }

.education-year {
    background: var(--gradient-primary); color:var(--bg-color);
    padding:1rem 2rem; border-radius:50px; font-weight:700; font-family:var(--font-primary);
    white-space:nowrap; position:relative; z-index:2; box-shadow:0 10px 30px rgba(0,255,65,.3); transition:.3s;
}
.education-year:hover { transform: scale(1.05); box-shadow:0 15px 40px rgba(0,255,65,.4); }

.education-content {
    flex:1; background: rgba(26,26,26,.9); padding:2rem; border-radius:20px; border:2px solid var(--primary-color);
    position:relative; margin:0 2rem; box-shadow: var(--shadow-neon); transition:.3s;
}
.education-content:hover { transform: translateY(-5px); box-shadow: 0 20px 40px rgba(0,255,65,.2); }
.education-content::before {
    content:''; position:absolute; top:50%; width:20px; height:20px; background:var(--primary-color); border-radius:50%;
    transform: translateY(-50%); box-shadow: 0 0 15px rgba(0,255,65,.7);
}
.education-item:nth-child(odd) .education-content::before { right:-30px; }
.education-item:nth-child(even) .education-content::before { left:-30px; }

.education-header { display:flex; align-items:flex-start; gap:1rem; margin-bottom:1.5rem; }
.education-icon { width:60px; height:60px; background: var(--gradient-primary); border-radius:15px; display:flex; align-items:center; justify-content:center; font-size:1.5rem; color:var(--bg-color); flex-shrink:0; animation: bounce 2s infinite; }
@keyframes bounce { 0%,20%,50%,80%,100%{transform:translateY(0)} 40%{transform:translateY(-10px)} 60%{transform:translateY(-5px)} }
.education-info { flex:1; }
.education-info h3 { font-family:var(--font-primary); color:var(--primary-color); font-size:1.3rem; margin-bottom:.5rem; }
.education-info h4 { color:var(--text-primary); font-size:1.1rem; margin-bottom:.5rem; font-weight:600; }
.education-location { display:flex; align-items:center; gap:.5rem; color:var(--text-secondary); font-size:.9rem; }
.education-status { display:flex; align-items:center; gap:.5rem; font-weight:600; padding:.5rem 1rem; border-radius:25px; font-size:.9rem; flex-shrink:0; }
.education-status.current { background: var(--gradient-primary); color:var(--bg-color); animation: pulse-status 2s infinite; }
.education-status.completed { background: var(--gradient-secondary); color:var(--text-primary); }
@keyframes pulse-status { 0%,100%{box-shadow:0 0 0 0 rgba(0,255,65,.7)} 50%{box-shadow:0 0 0 10px rgba(0,255,65,0)} }
.education-description { margin:1rem 0; color:var(--text-secondary); line-height:1.6; }
.education-highlights { display:flex; flex-wrap:wrap; gap:1rem; margin-top:1rem; }
.highlight-item { display:flex; align-items:center; gap:.5rem; background: rgba(0,255,65,.1); padding:.5rem 1rem; border-radius:20px; font-size:.9rem; color:var(--text-primary); border:1px solid var(--primary-color); transition:.3s; }
.highlight-item:hover { background: var(--primary-color); color:var(--bg-color); transform: translateY(-2px); }
.highlight-item i { color:var(--primary-color); font-size:.8rem; }
.highlight-item:hover i { color:var(--bg-color); }

/* Projects Section */
.projects { background: linear-gradient(135deg, rgba(26,26,26,.8), rgba(10,10,10,.9)); }
.projects-grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap:2rem; }
.project-card { background: rgba(26,26,26,.8); border-radius:15px; overflow:hidden; border:1px solid var(--primary-color); transition:.3s; position:relative; }
.project-card::before { content:''; position:absolute; inset:0; left:-100%; background:linear-gradient(90deg,transparent,rgba(0,255,65,.1),transparent); transition:.5s; }
.project-card:hover::before { left:100%; }
.project-card:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(0,255,65,.2); }

.project-image { height:200px; background: linear-gradient(135deg,#2a2a2a,#1a1a1a); display:flex; align-items:center; justify-content:center; border-bottom:1px solid var(--primary-color); position:relative; overflow:hidden; }
.project-image::before { content:''; position:absolute; inset:0; background: radial-gradient(circle at 50% 50%, rgba(0,255,65,.1) 0%, transparent 70%); }
.project-image i { font-size:3rem; color:var(--primary-color); z-index:1; position:relative; animation: float 3s ease-in-out infinite; }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-10px)} }

.project-content { padding:1.5rem; }
.project-content h3 { color:var(--primary-color); margin-bottom:1rem; font-family:var(--font-primary); }
.project-content p { color:var(--text-secondary); margin-bottom:1rem; line-height:1.6; }
.project-details ul { margin:1rem 0; padding-left:1.5rem; }
.project-details li { color:var(--text-secondary); margin-bottom:.5rem; }
.project-tech { display:flex; flex-wrap:wrap; gap:.5rem; margin-bottom:1rem; }
.project-tech span { background: var(--gradient-primary); color:var(--bg-color); padding:.25rem .75rem; border-radius:15px; font-size:.8rem; font-weight:600; transition:.3s; }
.project-tech span:hover { transform: translateY(-2px); box-shadow: 0 5px 15px rgba(0,255,65,.3); }
.project-meta { display:flex; justify-content:space-between; align-items:center; margin-bottom:1rem; font-size:.9rem; color:var(--text-secondary); }
.project-links { display:flex; gap:1rem; }
.project-link { color:var(--primary-color); font-size:1.2rem; transition:.3s; padding:.5rem; border-radius:50%; border:1px solid var(--primary-color); text-decoration:none; }
.project-link:hover { color:var(--bg-color); background:var(--primary-color); transform: scale(1.2); }

/* Experience Section */
.timeline { position:relative; max-width:800px; margin:0 auto; }
.timeline::before {
    content:''; position:absolute; left:50%; top:0; bottom:0; width:4px; background: var(--gradient-primary);
    transform: translateX(-50%); border-radius:2px; box-shadow: 0 0 20px rgba(0,255,65,.5);
}
.timeline-item { position:relative; margin-bottom:3rem; display:flex; align-items:flex-start; }
.timeline-item::before {
    content:''; position:absolute; left:50%; top:20px; width:20px; height:20px; background:var(--primary-color); border-radius:50%;
    transform: translateX(-50%); box-shadow: 0 0 20px rgba(0,255,65,.7); z-index:1;
}
.timeline-item:nth-child(odd) { flex-direction: row-reverse; }
.timeline-item:nth-child(odd) .timeline-content { text-align:right; padding-right:2rem; }
.timeline-item:nth-child(even) .timeline-content { padding-left:2rem; }

.timeline-date {
    background: var(--gradient-primary); color:var(--bg-color);
    padding:.75rem 1.5rem; border-radius:25px; font-weight:700; font-family:var(--font-primary);
    white-space:nowrap; position:relative; z-index:2; box-shadow:0 10px 30px rgba(0,255,65,.3); transition:.3s;
}
.timeline-date:hover { transform: scale(1.05); box-shadow:0 15px 40px rgba(0,255,65,.4); }

.timeline-content {
    flex:1; background: rgba(26,26,26,.8); padding:1.5rem; border-radius:15px; border:1px solid var(--primary-color); position:relative; transition:.3s;
}
.timeline-content:hover { transform: translateY(-5px); box-shadow: 0 15px 30px rgba(0,255,65,.2); }
.timeline-content h3 { color:var(--primary-color); margin-bottom:.5rem; font-family:var(--font-primary); }
.timeline-content h4 { color:var(--secondary-color); margin-bottom:1rem; font-weight:600; }
.company-link a { color:var(--accent-color); text-decoration:none; transition:.3s; }
.company-link a:hover { color:var(--primary-color); text-decoration:underline; }
.timeline-content ul { margin-top:1rem; padding-left:1.5rem; }
.timeline-content li { color:var(--text-secondary); margin-bottom:.5rem; }

/* Contact Section */
.contact-content { display:grid; grid-template-columns:1fr 1fr; gap:3rem; align-items:start; }
.contact-info h3 { color:var(--primary-color); margin-bottom:1rem; font-family:var(--font-primary); font-size:1.5rem; }
.contact-methods { margin:2rem 0; }
.contact-method {
    display:flex; align-items:center; gap:1rem; margin-bottom:1rem; color:var(--text-secondary);
    padding:1rem; background: rgba(26,26,26,.5); border-radius:10px; border:1px solid var(--primary-color); transition:.3s;
}
.contact-method:hover { background: rgba(0,255,65,.1); transform: translateX(10px); }
.contact-method i { color:var(--primary-color); width:20px; font-size:1.2rem; }

.social-links { display:flex; gap:1rem; margin-top:2rem; }
.social-link {
    display:flex; align-items:center; gap:.5rem; padding:.75rem 1.5rem; background: rgba(26,26,26,.8); color:var(--text-primary);
    border:2px solid; border-radius:50px; text-decoration:none; font-weight:600; transition:.3s; position:relative; overflow:hidden;
}
.social-link::before { content:''; position:absolute; inset:0; left:-100%; transition:.3s; }
.social-link:hover::before { left:0; }
.social-link.linkedin { border-color:#0077b5; }
.social-link.linkedin:hover { background:#0077b5; transform: translateY(-5px); box-shadow:0 10px 30px rgba(0,119,181,.3); }
.social-link.github { border-color:#333; }
.social-link.github:hover { background:#333; transform: translateY(-5px); box-shadow:0 10px 30px rgba(51,51,51,.3); }
.social-link.hackerrank { border-color:#2ec866; }
.social-link.hackerrank:hover { background:#2ec866; transform: translateY(-5px); box-shadow:0 10px 30px rgba(46,200,102,.3); }
.social-link i, .social-link span { position:relative; z-index:1; }

.contact-form { display:flex; flex-direction:column; gap:1rem; }
.form-group { position:relative; }
.form-group input, .form-group textarea {
    width:100%; padding:1rem; background: rgba(26,26,26,.8); border:1px solid var(--primary-color);
    border-radius:10px; color:var(--text-primary); font-family:var(--font-secondary); transition:.3s;
}
.form-group input:focus, .form-group textarea:focus { outline:none; box-shadow: var(--shadow-neon); border-color:var(--accent-color); transform: translateY(-2px); }
.form-group input::placeholder, .form-group textarea::placeholder { color:var(--text-secondary); }
.error-message { color:var(--secondary-color); font-size:.8rem; margin-top:.5rem; display:block; }
.form-group input.error, .form-group textarea.error { border-color:var(--secondary-color); box-shadow: 0 0 10px rgba(255,0,128,.3); }
.btn.success { background: var(--gradient-primary); color:var(--bg-color); }

/* Footer */
.footer { background: rgba(10,10,10,.95); padding:2rem 0; border-top:1px solid var(--primary-color); }
.footer-content { display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:1rem; }
.footer-left p { color:var(--text-secondary); margin-bottom:.5rem; }
.footer-left i { color:var(--secondary-color); animation: pulse 2s infinite; }
.footer-social { display:flex; gap:1rem; }
.footer-social a { color:var(--primary-color); font-size:1.5rem; transition:.3s; padding:.5rem; border-radius:50%; border:1px solid var(--primary-color); }
.footer-social a:hover { background:var(--primary-color); color:var(--bg-color); transform: scale(1.2); }

/* Scroll Animations */
.animate-on-scroll { opacity:0; transform: translateY(30px); transition: all .6s ease; }
.animate-on-scroll.animated { opacity:1; transform: translateY(0); }
.animate-glow { animation: glow 2s ease-in-out infinite; }
@keyframes glow { 0%,100%{box-shadow:0 0 5px var(--primary-color)} 50%{box-shadow:0 0 20px var(--primary-color)} }

/* Smooth Scrolling */
html { scroll-behavior: smooth; }

/* Custom Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-color); }
::-webkit-scrollbar-thumb { background: var(--gradient-primary); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-color); }

/* ================== Responsive (Tablette & Mobile) ================== */
/* Base pour ≤ 1024px (tablettes + mobiles): tout centré, grilles repliées */
@media (max-width: 1024px) {
    html, body { width: 100%; max-width: 100%; overflow-x: hidden; }

    .container { max-width: 100%; padding: 0 16px; }

    /* Centrage global des sections et éléments principaux */
    section, .container,
    .hero, .about, .skills, .projects, .education, .contact {
        text-align: center;
    }

    /* Navigation: plein écran sous la barre (sheet) avec fond foncé */
    .hamburger { display: flex; }
    /* semi-transparent overlay behind the drawer */
    .nav-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,.45);
        opacity: 0;
        pointer-events: none;
        transition: opacity .25s ease;
        z-index: 1999;
    }
    .nav-overlay.active { opacity: 1; pointer-events: auto; }

    .nav-menu {
        position: fixed;
        top: var(--navbar-height);
        left: 0;
        right: 0;
        bottom: 0;
        width: 100vw;
        height: calc(100vh - var(--navbar-height));
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        gap: 2.75rem;
        background: linear-gradient(180deg, #0b0b0e 0%, #0a0a0a 70%, #000 100%);
        padding: 20px 16px 24px;
        border-top: 1px solid rgba(255,255,255,0.06);
        box-shadow: 0 10px 30px rgba(0,0,0,.45);
        overflow-y: auto;
        transform: translateY(-110%);
        opacity: 0;
        pointer-events: none;
        transition: transform .3s ease, opacity .2s ease;
        z-index: 2000;
    }
    .nav-menu.active,
    .nav-menu.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
    .nav-link {
        width: min(92vw, 560px);
        padding: 1rem 1.25rem;
        border-radius: 14px;
        border: 1px solid rgba(255,255,255,.06);
        margin: 0;
        color: var(--text-primary);
        text-align: center;
        background: rgba(255,255,255,0.02);
        position: relative;
        font-size: 1.15rem;
        letter-spacing: .3px;
    }
    .nav-link::before{ display: none; }
    .nav-link.active {
        background: rgba(0,255,65,0.14);
        border-color: rgba(0,255,65,0.55);
        text-shadow: none;
    }
    @media (hover: hover) {
        .nav-link:hover {
            background: rgba(0,255,65,0.10);
            border-color: rgba(0,255,65,0.35);
        }
        .nav-link:hover::after { width: 100%; }
    }

    /* Hero centré et en colonne */
    .hero {
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 100px 16px 50px;
    }
    .hero-content { max-width: 700px; margin: 0 auto 1.5rem; }
    .hero-description { max-width: 700px; margin-left: auto; margin-right: auto; }
    .hero-buttons { justify-content: center; }
    .btn { width: 100%; max-width: 320px; justify-content: center; }

    /* Réduction/centrage des grilles */
    .about-content,
    .skills-grid,
    .languages-grid,
    .projects-grid,
    .contact-content {
        grid-template-columns: 1fr !important;
        gap: 1.5rem;
        justify-items: center;
        align-items: stretch;
    }

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

    .skill-category,
    .language-card,
    .project-card,
    .education-content,
    .timeline-content {
        text-align: center;
    }

    .hero-social { flex-direction: column; align-items: center; gap: 16px; }
    .social-hero-link { min-width: 260px; justify-content: center; }

    /* Timelines: verticales, centrées, contenu pleine largeur */
    .timeline::before,
    .education-timeline::before {
        left: 20px; right: auto; transform: none;
        width: 3px;
    }
    .timeline-item,
    .education-item {
        flex-direction: column !important;
        align-items: stretch;
        margin-bottom: 2rem;
    }
    .timeline-item::before {
        left: 20px; top: 14px; transform: none; width: 14px; height: 14px;
    }
    .timeline-content,
    .education-content {
        width: 100%;
        margin: 0;
        padding: 1.25rem 1rem 1.25rem 2.25rem; /* décalage pour le rail à gauche */
        box-sizing: border-box;
        text-align: center;
    }
    .timeline-item:nth-child(odd) .timeline-content {
        text-align: center; padding-right: 1rem; padding-left: 2.25rem;
    }
    .timeline-date,
    .education-year {
        margin: 0 0 0.75rem 2.25rem; /* alignée au contenu */
        width: fit-content;
        align-self: center;
    }
    .education-content::before {
        display: none; /* la pastille principale suffit sur mobile/tablette */
    }

    /* Contact */
    .contact-method { justify-content: center; }
    .social-links { flex-direction: column; align-items: center; gap: 1rem; }
    .social-link { justify-content: center; width: 100%; max-width: 320px; }

    /* Sections */
    section { padding: 60px 0; }
    .section-title { font-size: 2.2rem; margin-bottom: 2rem; }
}

/* Affinage pour ≤ 768px (téléphones) */
@media (max-width: 768px) {
    .hero-title { font-size: 2.2rem; }
    .hero-subtitle { font-size: 1.1rem; }
    .hero-description { font-size: .95rem; }

    .project-image { height: 160px; }

    .education-header { flex-direction: column; align-items: center; text-align: center; }
    .education-status { align-self: center; }

    .footer-content { flex-direction: column; text-align: center; }
    .footer-social { justify-content: center; }
}

/* Micro pour ≤ 480px */
@media (max-width: 480px) {
    .hero-title { font-size: 1.9rem; }
    .section-title { font-size: 1.8rem; }
    .btn { max-width: 280px; padding: 12px 16px; }
    .social-hero-link { min-width: 100%; }

    .timeline-date, .education-year {
        margin-left: 2rem;
        font-size: .9rem;
        padding: .5rem 1rem;
    }
    .timeline-content, .education-content {
        padding: 1rem 1rem 1rem 2rem;
    }
}
/* Language switch button */
.lang-switch {
  margin-left: 12px;
  display: flex;
  align-items: center;
}

.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  background: linear-gradient(135deg, rgba(0,255,65,.15), rgba(0,212,255,.15));
  border: 1.5px solid rgba(0,255,65,.6);
  color: #eaffea;
  box-shadow: 0 0 12px rgba(0,255,65,.25);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  backdrop-filter: blur(6px);
}

.lang-btn i {
  font-size: 0.95rem;
}

@media (hover:hover){
  .lang-btn:hover{
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(0,255,65,.35);
    border-color: #00ff41;
  }
  .lang-btn:active{
    transform: translateY(0);
  }
}


/* ===== Language pill (amélioré) ===== */
.lang-switch { margin-left: 12px; }
.lang-btn{
  display:inline-flex;align-items:center;gap:.45rem;
  padding:.45rem .8rem;border:1px solid rgba(0,255,65,.6);
  border-radius:999px;background:rgba(0,0,0,.35);color:#0ff;
  text-decoration:none;font-weight:700;letter-spacing:.4px;
  box-shadow:0 0 10px rgba(0,255,65,.25); transition:.25s;
}
.lang-btn i{font-size:.95rem}
.lang-btn:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(0,255,65,.35);}

/* ===== CV button (même style que .btn mais accentué) ===== */
.btn-cv{
  background: var(--gradient-secondary); color:#fff;
  box-shadow: var(--shadow-pink);
}
.btn-cv:hover{transform:translateY(-2px); box-shadow:0 10px 30px rgba(255,0,128,.4);}

/* ===== CV Modal ===== */
.cv-overlay{
  position:fixed; inset:0; background:rgba(0,0,0,.75);
  display:none; align-items:center; justify-content:center; z-index:2000;
}
.cv-overlay.show{display:flex;}
.cv-modal{
  width:min(1000px, 92vw); height:min(88vh, 860px);
  background: #0f1013; border:1px solid rgba(0,255,65,.35);
  border-radius:16px; overflow:hidden; box-shadow:0 30px 120px rgba(0,0,0,.6);
}
.cv-topbar{
  display:flex; align-items:center; justify-content:space-between;
  background:linear-gradient(135deg,#101418,#0a0a0a);
  padding:.65rem .9rem; border-bottom:1px solid rgba(0,255,65,.25);
}
.cv-title{font-family:var(--font-primary); color:#0ff; font-weight:800;}
.cv-actions{display:flex; gap:.5rem;}
.cv-actions .mini{
  display:inline-flex; align-items:center; gap:.45rem;
  padding:.45rem .7rem; border:1px solid rgba(0,255,65,.35);
  border-radius:8px; color:#0ff; text-decoration:none; transition:.2s;
}
.cv-actions .mini:hover{background:rgba(0,255,65,.1)}
.cv-close{
  border:none; background:transparent; color:#fff; font-size:1.2rem; cursor:pointer;
  padding:.3rem .5rem; border-radius:8px;
}
.cv-close:hover{background:rgba(255,255,255,.08)}
.cv-frame{width:100%; height:calc(100% - 52px); border:0; background:#111;}