/* ===== Variables & reset ===== */
:root {
  --bg: #0c0c10;
  --bg-elevated: #141418;
  --bg-card: rgba(255, 255, 255, 0.02);
  --border: rgba(255, 255, 255, 0.06);
  --text: #f0f0f4;
  --text-muted: #888899;
  --accent: #5b5fee;
  --accent-light: #7c7ef5;
  --accent-glow: rgba(91, 95, 238, 0.25);
  --success: #22c55e;
  --font: 'Outfit', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius: 10px;
  --radius-lg: 16px;
  --nav-height: 64px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --torch-x: 50%;
  --torch-y: 50%;
}

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

html {
  scroll-behavior: smooth;
}

.section,
.hero {
  scroll-margin-top: calc(var(--nav-height) + 12px);
}

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

/* ===== Preloader ===== */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.page-loader.loaded {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.page-loader-inner {
  text-align: center;
}

.page-loader-text {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  display: block;
  margin-bottom: 1rem;
  color: var(--text);
}

.page-loader-bar {
  width: 120px;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  margin: 0 auto;
}

.page-loader-bar::after {
  content: '';
  display: block;
  width: 40%;
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  animation: loader-bar 1s ease-in-out infinite;
}

@keyframes loader-bar {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
}

/* ===== Barre de progression scroll ===== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 1001;
  background: rgba(255, 255, 255, 0.06);
}

.scroll-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  transition: width 0.08s ease-out;
}

/* ===== Indicateur sections (dots) ===== */
.nav-dots {
  position: fixed;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.nav-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
}

.nav-dot:hover {
  background: var(--text-muted);
  transform: scale(1.2);
}

.nav-dot.active {
  background: var(--accent-light);
  box-shadow: 0 0 0 2px var(--bg), 0 0 12px var(--accent-glow);
}

@media (max-width: 900px) {
  .nav-dots { display: none; }
}

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  transition: background var(--transition), backdrop-filter var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  background: rgba(12, 12, 16, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--text);
}

.logo-bracket {
  color: var(--accent);
  font-family: var(--font-mono);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition);
  position: relative;
}

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

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

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text);
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: var(--nav-height) 1.5rem 5rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 45% at 50% -10%, rgba(91, 95, 238, 0.12), transparent 55%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 40%, black 20%, transparent 70%);
}

.hero-glow,
.hero-glow-1,
.hero-glow-2 {
  display: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  text-align: center;
}

.hero-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(2.25rem, 7vw, 4rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin-bottom: 1.25rem;
}

.hero-title .line {
  display: block;
}

.hero-title .accent {
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 480px;
  margin: 0 auto 2rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  font-family: var(--font);
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover {
  background: var(--accent-light);
  opacity: 0.95;
}

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

.btn-ghost:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.12);
  background: var(--bg-card);
}

.btn:active {
  transform: scale(0.98);
}

.btn-full { width: 100%; }

/* ===== Bandeau "En ce moment" ===== */
.now-strip {
  background: linear-gradient(90deg, rgba(91, 95, 238, 0.08), rgba(91, 95, 238, 0.03));
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.now-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

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

.hero-scroll {
  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: 0.8rem;
}

.scroll-indicator {
  width: 24px;
  height: 40px;
  border: 2px solid var(--border);
  border-radius: 12px;
  position: relative;
  overflow: hidden;
}

.scroll-indicator::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--accent);
  border-radius: 2px;
  animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {
  0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
  50% { opacity: 0.3; transform: translateX(-50%) translateY(12px); }
}

/* ===== Reveal animations ===== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s var(--transition-slow), transform 0.8s var(--transition-slow);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal:nth-child(1) { transition-delay: 0.1s; }
.reveal:nth-child(2) { transition-delay: 0.2s; }
.reveal:nth-child(3) { transition-delay: 0.3s; }
.reveal:nth-child(4) { transition-delay: 0.4s; }
.reveal:nth-child(5) { transition-delay: 0.5s; }
.reveal:nth-child(6) { transition-delay: 0.6s; }
.reveal:nth-child(7) { transition-delay: 0.7s; }
.reveal:nth-child(8) { transition-delay: 0.8s; }
.reveal:nth-child(9) { transition-delay: 0.9s; }

/* ===== Sections global ===== */
.section {
  padding: 5.5rem 1.5rem;
  position: relative;
}

.container {
  max-width: 920px;
  margin: 0 auto;
}

.section-title {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  margin-bottom: 0.25rem;
  color: var(--text);
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 2.5rem;
}

/* ===== À propos ===== */
.section-about {
  background: var(--bg-elevated);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: center;
}

.about-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.about-avatar-frame {
  padding: 6px;
  border: 2px solid var(--border);
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.05), 0 8px 32px rgba(0, 0, 0, 0.3);
  background: var(--bg-card);
  display: inline-block;
}

.about-avatar {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  color: white;
  overflow: hidden;
}

.about-avatar .avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-avatar .avatar-fallback { opacity: 0.95; }

.avatar-placeholder { opacity: 0.95; }

.about-badge {
  font-size: 0.8rem;
  color: var(--success);
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.about-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.about-text .about-lead {
  font-size: 1.15rem;
  margin-bottom: 1rem;
  color: var(--text);
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.about-stats {
  display: flex;
  gap: 2rem;
  margin-top: 1.5rem;
}

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

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-light);
  font-family: var(--font-mono);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== Études (Timeline) ===== */
.timeline {
  position: relative;
  padding-left: 2rem;
  border-left: 2px solid var(--border);
  margin-left: 0.5rem;
}

.timeline-item {
  position: relative;
  padding-bottom: 2.5rem;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-marker {
  position: absolute;
  left: -2rem;
  top: 0.25rem;
  transform: translateX(-50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  transition: opacity var(--transition);
}

.timeline-item:hover .timeline-marker {
  opacity: 0.9;
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  transition: border-color var(--transition), background var(--transition);
}

.timeline-item:hover .timeline-content {
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
}

.timeline-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  display: block;
  margin-bottom: 0.35rem;
}

.timeline-content h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.timeline-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* ===== Projets ===== */
.section-projects {
  background: var(--bg-elevated);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  transform-style: preserve-3d;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

@media (min-width: 900px) {
  .project-card:hover {
    transform: translateY(-6px) perspective(800px) rotateX(2deg);
  }
}

.project-image {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}

.project-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--bg-elevated) 0%, rgba(99, 102, 241, 0.15) 100%);
  transition: transform var(--transition-slow);
}

.project-2 { background: linear-gradient(135deg, var(--bg-elevated) 0%, rgba(34, 197, 94, 0.12) 100%); }
.project-3 { background: linear-gradient(135deg, var(--bg-elevated) 0%, rgba(251, 146, 60, 0.12) 100%); }

.project-card:hover .project-placeholder {
  transform: scale(1.05);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 10, 15, 0.9), transparent 50%);
  display: flex;
  align-items: flex-end;
  padding: 1rem;
  opacity: 0;
  transition: opacity var(--transition);
}

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

.project-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.project-info {
  padding: 1.5rem;
}

.project-info h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.project-info p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.link-arrow {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: gap var(--transition), color var(--transition);
}

.link-arrow::after {
  content: '→';
}

.link-arrow:hover {
  gap: 0.6rem;
  color: var(--text);
}

.link-arrow.project-open-modal {
  cursor: pointer;
}

/* ===== Compétences ===== */
.skills-categories {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.skill-group {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color var(--transition);
}

.skill-group:hover {
  border-color: rgba(255, 255, 255, 0.08);
}

.skill-category {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-tag {
  font-size: 0.85rem;
  padding: 0.45rem 1rem;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
  border-radius: 999px;
  border: 1px solid var(--border);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.skill-tag:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-1px);
}

/* ===== Contact ===== */
.contact-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
}

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

.contact-email-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.contact-copy {
  font-size: 0.8rem;
  padding: 0.35rem 0.65rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.contact-copy:hover {
  color: var(--accent-light);
  border-color: rgba(91, 95, 238, 0.3);
  background: rgba(91, 95, 238, 0.08);
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1rem;
  color: var(--text-muted);
  transition: color var(--transition), transform var(--transition);
}

.contact-link:hover {
  color: var(--accent-light);
  transform: translateX(4px);
}

.contact-icon {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

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

.form-group input,
.form-group textarea {
  padding: 0.85rem 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}

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

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* ===== Footer ===== */
.footer {
  padding: 2rem 1.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--border);
}

/* ===== Bouton remonter en haut ===== */
.back-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 999;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition), color var(--transition), border-color var(--transition);
  opacity: 0;
  pointer-events: none;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

.back-to-top:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
}

.back-to-top span {
  display: block;
  line-height: 1;
}

/* ===== Modal projet ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.modal-box {
  position: relative;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transform: scale(0.95);
  transition: transform var(--transition);
}

.modal-overlay.open .modal-box {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
}

.modal-close:hover {
  color: var(--text);
  background: var(--bg-card);
}

.modal-content .modal-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.modal-content .modal-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.modal-content .modal-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  line-height: 1.6;
}

.modal-content .modal-details {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

.modal-content .modal-link {
  display: inline-flex;
}

.modal-content .modal-link[style*="display:none"] {
  display: none !important;
}

/* ===== Toast ===== */
.toast {
  position: fixed;
  bottom: 5rem;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  padding: 0.75rem 1.25rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 500;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.toast.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* ===== Section divider (vague) ===== */
.section-divider {
  height: 40px;
  background: linear-gradient(180deg, transparent, var(--bg-elevated));
  margin: -1px 0 0;
  position: relative;
}

.section-divider::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border);
}

/* ===== Effet lampe torche (curseur) — léger ===== */
.torch-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  background: radial-gradient(
    circle 380px at var(--torch-x, 50%) var(--torch-y, 50%),
    transparent 0%,
    transparent 45%,
    rgba(0, 0, 0, 0.08) 70%,
    rgba(0, 0, 0, 0.18) 100%
  );
}

@media (hover: none) {
  .torch-overlay {
    display: none;
  }
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-card {
    margin: 0 auto;
  }

  .contact-box {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 2rem;
    gap: 0.5rem;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
    border-bottom: 1px solid var(--border);
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-toggle {
    display: flex;
  }

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

  .section {
    padding: 3.5rem 1rem;
  }
}

@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
  }

  .btn { width: 100%; }

  .about-stats {
    flex-direction: column;
    align-items: center;
  }
}