:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #121212;
  --bg-card: #1a1a1a;
  --bg-hover: #222222;
  --text-primary: #f5f5f5;
  --text-secondary: #c0c0c0;
  --text-muted: #888888;
  --accent: #c41e3a;          /* discreet crimson red */
  --accent-hover: #e63950;
  --accent-soft: rgba(196, 30, 58, 0.15);
  --border: #2a2a2a;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
  --radius: 12px;
  --transition: 0.3s ease;
  --font-main: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-heading: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ========== NAVIGATION ========== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: var(--transition);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: 1px;
}

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

.nav-links {
  display: flex;
  gap: 1.8rem;
  list-style: none;
}

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

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent);
}

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

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

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.burger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition);
}

/* ========== HERO / ACCUEIL ========== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 1.5rem 3rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 40%, var(--accent-soft) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero h1 {
  font-size: clamp(3.5rem, 10vw, 6rem);
  font-weight: 800;
  letter-spacing: 4px;
  margin-bottom: 0.3rem;
  line-height: 1.1;
}

.hero h1 span {
  color: var(--accent);
}

.hero .subtitle {
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  color: var(--text-secondary);
  margin-bottom: 1.2rem;
  font-weight: 500;
}

.hero .tagline {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 1.2rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(196, 30, 58, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border);
}

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

/* ========== SECTIONS ========== */
section {
  padding: 5rem 1.5rem;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 0.5rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 50px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}

.section-subtitle {
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  font-size: 1.05rem;
}

/* ========== CARDS ========== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
  transition: var(--transition);
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

/* ========== PROFIL – Timeline ========== */
.timeline {
  position: relative;
  padding-left: 2rem;
  margin: 2rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  margin-bottom: 2rem;
  padding-left: 1.5rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2.15rem;
  top: 0.4rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg-primary);
}

.timeline-item h4 {
  color: var(--accent);
  font-size: 0.95rem;
  margin-bottom: 0.3rem;
}

.timeline-item p {
  color: var(--text-secondary);
}

/* ========== COMPETENCES ========== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.skill-category h3 {
  font-size: 1.15rem;
  margin-bottom: 1rem;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.skill-icon {
  width: 36px;
  height: 36px;
  min-width: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
}

.skill-icon svg {
  width: 18px;
  height: 18px;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.skill-tag {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 0.4rem 0.9rem;
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: var(--transition);
}

.skill-tag:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ========== QUALITES ========== */
.qualities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.quality-card {
  text-align: center;
  padding: 1.8rem 1.2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
  opacity: 0;
  transform: translateY(20px);
}

.quality-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.quality-card:hover {
  border-color: var(--accent);
  transform: translateY(-5px);
}

.quality-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
}

.quality-icon svg {
  width: 26px;
  height: 26px;
}

.quality-card h4 {
  margin-bottom: 0.4rem;
  font-size: 1.05rem;
}

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

/* ========== CERTIFICATIONS ========== */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

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

.cert-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.cert-img {
  height: 160px;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border);
}

.cert-body {
  padding: 1.3rem;
}

.cert-body h4 {
  margin-bottom: 0.4rem;
}

.cert-meta {
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 0.6rem;
}

.cert-body p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.cert-clickable {
  cursor: pointer;
}

.cert-clickable:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

/* ========== MODAL ========== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-width: 920px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 2rem;
  position: relative;
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.modal-overlay.open .modal {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1.2rem;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.8rem;
  cursor: pointer;
  line-height: 1;
  transition: color var(--transition);
}

.modal-close:hover {
  color: var(--accent);
}

.modal-title {
  font-size: 1.5rem;
  margin-bottom: 0.3rem;
  padding-right: 2rem;
}

.modal-subtitle {
  color: var(--text-muted);
  margin-bottom: 1.8rem;
  font-size: 0.95rem;
}

.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.2rem;
}

.module-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.module-card:hover {
  border-color: var(--accent);
}

.module-img {
  height: 120px;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.8rem;
  border-bottom: 1px solid var(--border);
}

.module-body {
  padding: 1rem;
}

.module-num {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

.module-body h4 {
  font-size: 0.95rem;
  margin-bottom: 0.35rem;
}

.module-body p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

/* ========== VEILLE ========== */
.veille-intro {
  background: var(--bg-card);
  border-left: 4px solid var(--accent);
  padding: 1.5rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-bottom: 2.5rem;
}

.table-wrapper {
  overflow-x: auto;
  margin: 2rem 0;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
}

th, td {
  padding: 1rem 1.2rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  background: var(--bg-secondary);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
}

td {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: var(--bg-hover);
}

/* Timeline veille */
.events-timeline {
  margin-top: 3rem;
}

.event-item {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.8rem;
  padding: 1.3rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.event-item:hover {
  border-color: var(--accent);
}

.event-date {
  min-width: 100px;
  font-weight: 600;
  color: var(--accent);
  font-size: 0.9rem;
}

.event-content h4 {
  margin-bottom: 0.3rem;
}

.event-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.6rem;
}

/* ========== E5 ========== */
.situations-grid {
  display: grid;
  gap: 1.8rem;
  margin-top: 2rem;
}

.situation-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem;
}

.situation-card h3 {
  color: var(--accent);
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

.situation-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.situation-meta span {
  background: var(--bg-secondary);
  padding: 0.3rem 0.8rem;
  border-radius: 50px;
}

.situation-section {
  margin-bottom: 1rem;
}

.situation-section h5 {
  font-size: 0.95rem;
  margin-bottom: 0.3rem;
  color: var(--text-primary);
}

.situation-section p,
.situation-section ul {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.situation-section ul {
  padding-left: 1.2rem;
}

/* ========== PROJETS ========== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  border-color: var(--accent);
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.project-img {
  height: 180px;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border);
}

.project-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-body h3 {
  margin-bottom: 0.5rem;
  font-size: 1.2rem;
}

.project-type {
  font-size: 0.8rem;
  color: var(--accent);
  margin-bottom: 0.8rem;
  font-weight: 600;
}

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

.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.2rem;
}

.tech-list span {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 0.25rem 0.7rem;
  border-radius: 50px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ========== CONTACT ========== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: var(--transition);
}

.contact-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.contact-icon {
  font-size: 2.2rem;
  color: var(--accent);
  margin-bottom: 1rem;
}

.contact-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.contact-card a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color var(--transition);
}

.contact-card a:hover {
  color: var(--accent);
}

.cv-download {
  text-align: center;
  margin-top: 3rem;
}

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

footer a {
  color: var(--accent);
  text-decoration: none;
}

/* ========== UTILITIES ========== */
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-2 { margin-bottom: 2rem; }
.text-center { text-align: center; }
.text-accent { color: var(--accent); }

/* Placeholder image style */
.placeholder {
  background: linear-gradient(135deg, #1a1a1a 0%, #252525 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-align: center;
  padding: 1rem;
}
.cert-img img,
.module-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  cursor: zoom-in;
}

.img-preview {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.85);
  z-index: 99999;
  cursor: zoom-out;
}

.img-preview.show {
  display: flex;
}

.img-preview img {
  max-width: 90vw;
  max-height: 90vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}


/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    background: var(--bg-secondary);
    flex-direction: column;
    align-items: center;
    padding: 1.5rem 0;
    gap: 1.2rem;
    border-bottom: 1px solid var(--border);
    transform: translateY(-150%);
    transition: transform 0.35s ease;
  }

  .nav-links.open {
    transform: translateY(0);
  }

  .burger {
    display: flex;
  }

  .burger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .burger.active span:nth-child(2) {
    opacity: 0;
  }
  .burger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  section {
    padding: 3.5rem 1.2rem;
  }

  .hero {
    padding-top: 5rem;
  }

  .event-item {
    flex-direction: column;
    gap: 0.5rem;
  }

  .event-date {
    min-width: auto;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }
}