/* Reset & variables */
* { margin:0; padding:0; box-sizing:border-box; }
:root {
  --bg: #000;
  --fg: #D1D1D1;
  --accent: #00FFFF;
  --font-main: 'Geist', sans-serif;
  --font-mono: 'Courier New', monospace;
}
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-main);
  overflow-x: hidden;
}
/* Canvas */
canvas#bg {
  position: fixed; top:0; left:0;
  width:100%; height:100%; z-index:-1;
}

/* Lang switch */
#lang-switch {
  position: fixed;
  top: 20px;
  right: 20px;
  display: flex;
  gap: 10px;
  z-index: 100;
}
.lang-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity .3s, transform .3s;
  padding: 0;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  outline: none;
}
.lang-btn img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  pointer-events: none;
}
.lang-btn:hover {
  opacity: 1;
  transform: scale(1.15);
}
.lang-btn:focus {
  outline: none;
}
.lang-btn.active {
  opacity: 1;
}
.lang-btn.active img {
  box-shadow: 0 0 15px rgba(0,255,255,0.6);
}

/* Hero */
.hero {
  text-align: center;
  padding: 120px 20px 60px;
}
.hero-name {
  font-size: 3rem;
  margin-bottom: 10px;
}
.hero-tagline {
  font-size: 1.2rem;
  opacity: 0.8;
}

/* Console */
.console-container {
  width:85%; max-width:900px;
  margin:20px auto;
  background:#111;
  border:1px solid var(--accent);
  border-radius:6px;
  overflow:hidden;
  font-family: var(--font-mono);
}
.console-header {
  background:#222;
  padding:6px;
  display:flex;gap:5px;
}
.dot { width:10px;height:10px;border-radius:50%; }
.red{background:#FF5F56;} .yellow{background:#FFBD2E;} .green{background:#27C93F;}
.console-body {
  padding:10px;
  min-height:200px;
  color:var(--fg);
  font-size:0.9rem;
  line-height:1.6;
}

/* Expertise */
.expertise {
  padding:50px 20px 100px; text-align:center;
}
.expertise h2 {
  margin-bottom:30px; font-size:2rem;
}
.exp-category {
  margin-bottom:40px;
  padding-top: clamp(25px, 4vh, 50px);
}
.exp-category:first-of-type {
  padding-top: 0;
}
.exp-category h3 {
  margin-bottom:15px; font-size:1.35rem; font-weight:700; color:var(--fg); text-transform:uppercase; letter-spacing:1px;
}
.icons-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  row-gap: clamp(50px, 8vh, 100px);
  column-gap: clamp(8px, 1.2vw, 18px);
  justify-items: center;
  margin-top: 20px;
  padding-bottom: 20px;
  max-width: 100%;
}
.icon {
  font-size:3.5rem; color:var(--fg);
  transition:transform .3s,color .3s; position:relative;
  cursor: pointer;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 80px;
  padding-bottom: 15px;
}
.icon img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  filter: brightness(0.8);
  transition: filter .3s;
}
.icon-light-bg img {
  background: rgba(255, 255, 255, 0.9);
  border-radius: 8px;
  padding: 4px;
}
.icon:hover img {
  filter: brightness(1) drop-shadow(0 0 10px var(--accent));
}
.icon:hover {
  color:var(--accent); transform:scale(1.15);
}
.icon:hover::after {
  content:attr(data-tooltip);
  position:absolute; bottom:-35px; left:50%;
  transform:translateX(-50%);
  background:var(--accent); color:#000;
  padding:6px 12px; border-radius:5px;
  font-size:0.75rem; white-space:nowrap;
  z-index: 999;
  box-shadow: 0 2px 10px rgba(0,255,255,0.5);
  pointer-events: none;
}

/* Footer */
footer {
  position:fixed; bottom:0; left:0; right:0;
  display:flex; align-items:center;
  justify-content:space-between;
  padding:8px 15px;
  background:rgba(0,0,0,0.8);
  z-index: 100;
}
.footer-left {
  font-size:0.75rem; opacity:0.7;
  flex: 1;
}
.footer-center {
  flex: 1;
  display: flex;
  justify-content: center;
}
.circle-menu {
  display:flex; gap:12px;
}
.nav-item {
  width:45px; height:45px;
  background:rgba(255,255,255,0.05);
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  color:var(--fg); font-size:1.3rem;
  transition:transform .3s,background .3s;
  position:relative;
}
.nav-item.center {
  background:var(--accent); color:#000;
}
.nav-item.active {
  background: var(--accent);
  color: #000;
  transform: scale(1.2);
  border: 2px solid var(--accent);
  box-shadow: 0 0 15px var(--accent);
}
.nav-item:hover {
  background:rgba(0,255,255,0.15);
  transform:scale(1.15);
}
.footer-right.social {
  display:flex; gap:12px;
  flex: 1;
  justify-content: flex-end;
}
.footer-right.social a {
  color:var(--fg); font-size:1.3rem;
  transition:transform .3s,color .3s;
}
.footer-right.social a:hover {
  color:var(--accent); transform:scale(1.15);
}

/* Page en travaux */
.page-work {
  height:calc(100vh - 200px);
  display:flex; flex-direction:column;
  align-items:center; justify-content:center;
  color:var(--fg); text-align:center;
}
.page-work i {
  font-size:5rem; color:var(--accent);
  animation:bounce 2s infinite;
}
.page-work p {
  margin-top:20px; font-size:1.5rem;
}
@keyframes bounce {
  0%,100% {transform:translateY(0);}
  50% {transform:translateY(-20px);}
}

/* Projects Page */
.projects-section {
  padding: 50px 20px 120px;
  max-width: 1200px;
  margin: 0 auto;
}
.projects-section h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 50px;
  color: var(--accent);
}
.project-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
  background: rgba(255,255,255,0.03);
  padding: 30px;
  border-radius: 10px;
  border: 1px solid rgba(0,255,255,0.2);
  transition: transform 0.3s, box-shadow 0.3s;
}
.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,255,255,0.2);
}
.project-card.reverse {
  grid-template-columns: 1fr 1fr;
}
.project-card.reverse .project-info {
  order: 2;
}
.project-card.reverse .project-demo {
  order: 1;
}
.project-info h3 {
  font-size: 1.8rem;
  color: var(--accent);
  margin-bottom: 15px;
}
.project-info p {
  line-height: 1.8;
  margin-bottom: 20px;
  color: var(--fg);
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}
.tag {
  background: rgba(0,255,255,0.1);
  color: var(--accent);
  padding: 5px 15px;
  border-radius: 20px;
  font-size: 0.85rem;
  border: 1px solid var(--accent);
}
.project-links {
  display: flex;
  gap: 15px;
}
.project-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: rgba(0,255,255,0.1);
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 5px;
  text-decoration: none;
  transition: all 0.3s;
}
.project-links a:hover {
  background: var(--accent);
  color: #000;
}
.project-demo {
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.5);
  border-radius: 10px;
  overflow: hidden;
  position: relative;
  min-height: 300px;
}
.project-demo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}
.project-demo:hover img {
  transform: scale(1.05);
}
.demo-placeholder {
  color: var(--accent);
  font-size: 3rem;
}

/* CV Page */
.cv-section {
  padding: 50px 20px 120px;
  max-width: 1000px;
  margin: 0 auto;
}
.cv-section h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 40px;
  color: var(--accent);
}
.cv-viewer {
  background: rgba(255,255,255,0.03);
  padding: 20px;
  border-radius: 10px;
  border: 1px solid rgba(0,255,255,0.2);
  margin-bottom: 40px;
}
.cv-controls {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 20px;
}
.cv-controls a {
  padding: 12px 25px;
  background: rgba(0,255,255,0.1);
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 5px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s;
}
.cv-controls a:hover {
  background: var(--accent);
  color: #000;
}
.cv-embed {
  width: 100%;
  height: 800px;
  border: none;
  border-radius: 5px;
}
.certifications {
  margin-top: 50px;
}
.certifications h3 {
  font-size: 2rem;
  margin-bottom: 30px;
  text-align: center;
  color: var(--accent);
}
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}
.cert-card {
  background: rgba(255,255,255,0.03);
  padding: 25px;
  border-radius: 10px;
  border: 1px solid rgba(0,255,255,0.2);
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}
.cert-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,255,255,0.2);
}
.cert-card i {
  font-size: 3rem;
  color: var(--accent);
  margin-bottom: 15px;
}
.cert-card h4 {
  font-size: 1.3rem;
  margin-bottom: 10px;
  color: var(--fg);
}
.cert-card p {
  color: var(--fg);
  opacity: 0.8;
  line-height: 1.6;
}

/* About Page */
.about-section {
  padding: 50px 20px 120px;
  max-width: 1200px;
  margin: 0 auto;
}
.about-intro {
  text-align: center;
  margin-bottom: 60px;
}
.about-intro h2 {
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 30px;
}
.about-intro p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--fg);
  max-width: 900px;
  margin: 0 auto 20px;
}
.games-section {
  margin-top: 60px;
}
.games-section h3 {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 40px;
  color: var(--accent);
}
.games-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}
.game-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(0,255,255,0.2);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
  overflow: hidden;
}
.game-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,255,255,0.2);
}
.game-card h4 {
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 15px;
}
.game-card iframe {
  width: 100%;
  height: 450px;
  border: none;
  border-radius: 5px;
  display: block;
}

/* Contact Page */
.contact-section {
  padding: 50px 20px 120px;
  max-width: 700px;
  margin: 0 auto;
}
.contact-section h2 {
  text-align: center;
  font-size: 2.5rem;
  color: var(--accent);
  margin-bottom: 15px;
}
.contact-section .subtitle {
  text-align: center;
  font-size: 1.2rem;
  color: var(--fg);
  opacity: 0.8;
  margin-bottom: 40px;
}
.contact-form {
  background: rgba(255,255,255,0.03);
  padding: 40px;
  border-radius: 10px;
  border: 1px solid rgba(0,255,255,0.2);
}
.form-group {
  margin-bottom: 25px;
}
.form-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 1rem;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px;
  background: rgba(0,0,0,0.5);
  border: 1px solid rgba(0,255,255,0.3);
  border-radius: 5px;
  color: var(--fg);
  font-family: var(--font-main);
  font-size: 1rem;
  transition: border-color 0.3s;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form-group textarea {
  resize: vertical;
  min-height: 150px;
}
.submit-btn {
  width: 100%;
  padding: 15px;
  background: rgba(0,255,255,0.1);
  color: var(--accent);
  border: 2px solid var(--accent);
  border-radius: 5px;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s;
}
.submit-btn:hover {
  background: var(--accent);
  color: #000;
}
.form-message {
  margin-top: 20px;
  padding: 15px;
  border-radius: 5px;
  text-align: center;
  display: none;
}
.form-message.success {
  background: rgba(40,167,69,0.2);
  border: 1px solid #28a745;
  color: #28a745;
}
.form-message.error {
  background: rgba(220,53,69,0.2);
  border: 1px solid #dc3545;
  color: #dc3545;
}

/* Responsive */
@media(max-width:900px) {
  .project-card,
  .project-card.reverse {
    grid-template-columns: 1fr;
  }
  .project-card.reverse .project-info,
  .project-card.reverse .project-demo {
    order: unset;
  }
  .games-grid {
    grid-template-columns: 1fr;
  }
  .game-card iframe {
    height: 300px;
  }
}

@media(max-width:1200px) {
  .icons-grid { 
    grid-template-columns:repeat(5,1fr); 
    row-gap: clamp(45px, 7vh, 90px);
    column-gap: clamp(8px, 1.2vw, 18px);
  }
  .icon { min-height: 75px; padding-bottom: 12px; }
}

@media(max-width:900px) {
  .icons-grid { 
    grid-template-columns:repeat(4,1fr); 
    row-gap: clamp(40px, 6vh, 80px);
    column-gap: clamp(6px, 1vw, 15px);
  }
  .icon { min-height: 70px; padding-bottom: 10px; }
  .icon img { width: 50px; height: 50px; }
  .icon i { font-size: 3rem !important; }
}

@media(max-width:700px) {
  .icons-grid { 
    grid-template-columns:repeat(3,1fr); 
    row-gap: clamp(38px, 5.5vh, 75px);
    column-gap: clamp(5px, 0.8vw, 12px);
  }
  .icon { min-height: 65px; padding-bottom: 8px; }
  .icon img { width: 48px; height: 48px; }
  .icon i { font-size: 2.9rem !important; }
}

@media(max-width:600px) {
  .icons-grid { 
    grid-template-columns:repeat(3,1fr); 
    row-gap: clamp(35px, 5vh, 70px);
    column-gap: clamp(6px, 1vw, 15px);
  }
  .icon { min-height: 60px; padding-bottom: 6px; transform:scale(0.95); }
  .icon:hover { transform:scale(1.05); }
  .icon img { width: 44px; height: 44px; }
  .icon i { font-size: 2.7rem !important; }
  .exp-category { padding-top: clamp(20px, 3vh, 40px); }
  .expertise { padding-bottom: 80px; }
  .console-body { min-height:150px; }
  .nav-item { width:40px; height:40px; font-size:1.2rem; }
  .hero-name { font-size: 2rem; }
  .hero-tagline { font-size: 1rem; }
  .project-card { padding: 20px; }
  .contact-form { padding: 25px; }
  footer { flex-direction: column; gap: 10px; padding: 10px; }
  .footer-left { font-size: 0.7rem; }
  .circle-menu { gap: 8px; }
}

@media(max-width:400px) {
  .icons-grid { 
    grid-template-columns:repeat(2,1fr); 
    row-gap: clamp(32px, 4.5vh, 65px);
    column-gap: clamp(5px, 0.8vw, 12px);
  }
  .icon { min-height: 55px; padding-bottom: 5px; }
  .icon img { width: 40px; height: 40px; }
  .icon i { font-size: 2.5rem !important; }
  .exp-category { padding-top: clamp(15px, 2.5vh, 35px); }
  .expertise { padding-bottom: 70px; }
}