:root {
  --bg: #0a0a0f;
  --bg-alt: #13131a;
  --surface: #1a1a24;
  --primary: #6366f1;
  --primary-light: #818cf8;
  --accent: #ec4899;
  --accent-light: #f472b6;
  --text: #e5e7eb;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;
  --border: #27273a;
  --glow: rgba(99, 102, 241, 0.4);
  --glow-accent: rgba(236, 72, 153, 0.3);
  --radius: 16px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: 'Space Grotesk', -apple-system, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  cursor: none;
}

::selection {
  background: var(--primary);
  color: white;
}

/* CURSEUR CUSTOM */
.cursor,
.cursor-follower {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: difference;
}

.cursor {
  width: 12px;
  height: 12px;
  background: white;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s;
}

.cursor-follower {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  transform: translate(-50%, -50%);
  transition: width 0.3s, height 0.3s, border-color 0.3s;
}

body:hover .cursor {
  width: 16px;
  height: 16px;
}

a:hover ~ .cursor,
button:hover ~ .cursor {
  width: 32px;
  height: 32px;
  background: var(--primary);
}

/* NAVIGATION */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.2rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  font-size: 1.3rem;
}

.logo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.2); opacity: 0.8; }
}

.logo-accent {
  color: var(--primary);
}

.nav-menu {
  display: flex;
  gap: 2.5rem;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  transition: var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width var(--transition);
}

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

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

.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-burger span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* CONTENEUR */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-spacing {
  padding: 8rem 0;
}

/* SECTION HEADER */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-tag {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--primary-light);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--text) 0%, var(--text-muted) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* HERO SECTION */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.gradient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.6;
  animation: float-orb 8s ease-in-out infinite;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
  top: -200px;
  left: -200px;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  bottom: -150px;
  right: -150px;
  animation-delay: -3s;
}

.orb-3 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, #8b5cf6 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -5s;
}

@keyframes float-orb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.1); }
  66% { transform: translate(-20px, 20px) scale(0.9); }
}

.hero-content {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
}

.hero-text {
  position: relative;
  z-index: 2;
}

.hero-tag {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.text-gradient {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  position: relative;
}


.hero-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
  opacity: 0;
  transition: var(--transition);
}

.btn span,
.btn svg {
  position: relative;
  z-index: 1;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  box-shadow: 0 10px 30px var(--glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 40px var(--glow);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.1);
}

.btn-full {
  width: 100%;
}

.hero-stats {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-size: 2.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* HERO VISUAL */
.hero-visual {
  display: flex;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.visual-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  max-width: 400px;
}

.card-glow {
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--glow), var(--glow-accent));
  opacity: 0;
  transition: opacity var(--transition);
  z-index: -1;
  filter: blur(20px);
}

.visual-card:hover .card-glow {
  opacity: 0.6;
}

.floating {
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

.stack-icons {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.icon-item {
  animation: icon-pop 0.5s ease-out forwards;
  animation-delay: var(--delay);
  opacity: 0;
  transform: scale(0.5);
}

@keyframes icon-pop {
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.card-content h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.card-content p {
  color: var(--text-muted);
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--primary), transparent);
  animation: scroll-down 2s ease-in-out infinite;
}

@keyframes scroll-down {
  0%, 100% { transform: translateY(0); opacity: 0; }
  50% { transform: translateY(20px); opacity: 1; }
}

/* ABOUT SECTION */
.about-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-text .lead {
  font-size: 1.25rem;
  color: var(--text);
  margin-bottom: 1.5rem;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 1.2rem;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text-muted);
  transition: var(--transition);
}

.feature-item svg {
  color: var(--primary);
  flex-shrink: 0;
}

.feature-item:hover {
  border-color: var(--primary);
  transform: translateX(8px);
}

.about-image {
  display: flex;
  justify-content: center;
}

.image-wrapper {
  position: relative;
  width: 300px;
  height: 300px;
}

.image-glow {
  position: absolute;
  inset: -20px;
  background: linear-gradient(135deg, var(--glow), var(--glow-accent));
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.5;
  animation: pulse-glow 4s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.1); }
}

.image-placeholder {
  position: relative;
  width: 100%;
  height: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
}

/* WORK SECTION */
.work-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.project-image {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.project-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition);
}

.project-card:hover .project-img-placeholder {
  transform: scale(1.1);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 15, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: white;
  text-decoration: none;
  border-radius: 999px;
  font-weight: 600;
  transform: translateY(10px);
  transition: var(--transition);
}

.project-card:hover .project-link {
  transform: translateY(0);
}

.project-content {
  padding: 1.5rem;
}

.project-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.project-tag {
  padding: 0.25rem 0.75rem;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--primary-light);
}

.project-year {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.project-title {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
}

.project-desc {
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.project-tech {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.project-tech span {
  padding: 0.25rem 0.75rem;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* SKILLS SECTION */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.skill-category {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: var(--transition);
}

.skill-category:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}

.skill-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  margin-bottom: 1.5rem;
}

.skill-category h3 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.skill-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.skill-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.skill-bullet {
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
}

/* CONTACT SECTION */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.contact-item-static {
  cursor: default;
}

.contact-item-static:hover {
  transform: none;
  border-color: var(--border);
}

.contact-desc {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin: 1.5rem 0 2rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}

.contact-item svg {
  color: var(--primary);
  flex-shrink: 0;
}

.contact-item:hover {
  border-color: var(--primary);
  transform: translateX(8px);
}

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--glow);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* FOOTER */
.footer {
  padding: 3rem 0;
  border-top: 1px solid var(--border);
}

.footer-content {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-made {
  margin-top: 0.5rem;
  opacity: 0.7;
}

/* SCROLL ANIMATIONS */
[data-scroll] {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-scroll].visible {
  opacity: 1;
  transform: translateY(0);
}

/* RESPONSIVE */
@media (max-width: 1024px) {
  .hero-content,
  .about-grid,
  .contact-wrapper {
    grid-template-columns: 1fr;
  }
  
  .hero-visual {
    order: -1;
  }

  .rotating-words {
    min-width: 350px;
  }
  
  .nav-menu {
    position: fixed;
    inset: 80px 0 auto 0;
    flex-direction: column;
    gap: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    padding: 1rem 2rem;
    transform: translateY(-100%);
    opacity: 0;
    transition: var(--transition);
  }
  
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
  }
  
  .nav-link {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
  }
  
  .nav-burger {
    display: flex;
  }
  
  body {
    cursor: auto;
  }
  
  .cursor,
  .cursor-follower {
    display: none;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 1.5rem;
  }
  
  .section-spacing {
    padding: 5rem 0;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }

  .rotating-words {
    min-width: 280px;
  }
  
  .work-grid,
  .skills-grid {
    grid-template-columns: 1fr;
  }
}