/* VARIABLES CSS DARK MODE - TOUJOURS EN PREMIER */
:root {
  --bg-primary: #f5f5f5;
  --bg-secondary: rgba(255, 255, 255, 0.9);
  --text-primary: #333;
  --text-secondary: #666;
  --border-accent: #0076bf;
  --hero-bg: #0076bf;
}

[data-theme="dark"] {
  --bg-primary: #1a1a1a;
  --bg-secondary: rgba(42, 42, 42, 0.9);
  --text-primary: #e5e7eb;
  --text-secondary: #d1d5db;
  --border-accent: #3b82f6;
  --hero-bg: #1e3a8a;
}

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

html, body {
  margin: 0 !important;
  padding: 0 !important;
  height: 100%;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--bg-primary);
  padding-top: 120px;
  transition: background 0.3s, color 0.3s;
}

a {
  color: #0066cc;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: 95%;
  max-width: 1100px;
  margin: 0 auto;
}

/* BANDEAU HAUT - HEADER FIXE */
.hero {
  background: var(--hero-bg);
  color: #fff;
  padding: 30px 0;
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  backdrop-filter: blur(10px);
}

[data-theme="dark"] .hero {
  box-shadow: 0 2px 10px rgba(0,0,0,0.4);
}

.hero h1 {
  font-size: 1.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero h2 {
  margin-top: 8px;
  font-size: 1.4rem;
}

.theme-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.3);
  color: white;
  padding: 8px 12px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 16px;
  backdrop-filter: blur(10px);
  transition: all 0.3s;
}

[data-theme="dark"] .theme-btn {
  background: rgba(0,0,0,0.3);
  border-color: rgba(255,255,255,0.2);
}

.theme-btn:hover {
  transform: scale(1.1);
}

/* ACTIONS HEADER */
.header-actions {
  margin-top: 15px;
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-download, .btn-contact {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 25px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.btn-download {
  background: rgba(255,255,255,0.95);
  color: var(--border-accent);
  box-shadow: 0 8px 25px rgba(0,118,191,0.3);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.5);
}

.btn-download:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 15px 35px rgba(0,118,191,0.5);
}

.btn-contact {
  background: transparent;
  color: #ffffff;
  border: 2px solid rgba(255,255,255,0.8);
  backdrop-filter: blur(10px);
}

.btn-contact:hover {
  background: rgba(255,255,255,0.15);
  transform: translateY(-2px);
}

/* LAYOUT 2 COLONNES */
.layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 25px;
  padding: 25px 0 40px;
}

/* COLONNE GAUCHE - GLASSMORPHISM */
.sidebar section {
  background: var(--bg-secondary);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 20px 22px;
  margin-bottom: 18px;
  border-left: 4px solid var(--border-accent);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

[data-theme="dark"] .sidebar section {
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.sidebar section:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.15);
}

.sidebar h3 {
  font-size: 1.05rem;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* COLONNE DROITE - GLASSMORPHISM */
.content section, .profile {
  background: var(--bg-secondary);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 22px 25px;
  margin-bottom: 20px;
  border-top: 4px solid var(--border-accent);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

[data-theme="dark"] .content section,
[data-theme="dark"] .profile {
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.content section:hover,
.profile:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.2);
}

.content h3 {
  font-size: 1.15rem;
  margin-bottom: 15px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.profile {
  border-top: 4px solid var(--border-accent);
}

/* HOVER 3D SUR ITEMS */
.item {
  margin-bottom: 15px;
  padding: 12px;
  border-radius: 8px;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  cursor: pointer;
}

.item:hover {
  transform: translateY(-8px) rotateX(2deg);
  background: rgba(255, 255, 255, 0.4);
  box-shadow: 0 20px 40px rgba(0, 118, 191, 0.25);
}

[data-theme="dark"] .item:hover {
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 40px rgba(59, 130, 246, 0.35);
}

.item h4 {
  font-size: 1.05rem;
}

.meta {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
  display: block;
}

.tech {
  font-size: 0.85rem;
  color: #00518c;
  font-weight: 500;
}

.content p {
  text-align: justify;
  text-justify: inter-word;
  margin-bottom: 10px;
  line-height: 1.65;
}

.content .item p:not(.meta):not(.tech) {
  text-align: justify;
}

/* LOGOS */
.item-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.logo-entreprise {
  width: 60px;
  height: auto;
  object-fit: contain;
  transition: transform 0.3s;
}

.logo-entreprise:hover {
  transform: scale(1.1);
}

.mission {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 12px;
  padding: 10px;
  border-left: 3px solid rgba(0,118,191,0.3);
  border-radius: 0 8px 8px 0;
  transition: all 0.3s;
}

.mission:hover {
  border-left-color: var(--border-accent);
  padding-left: 15px;
}

.mission-logo {
  width: 40px;
  flex-shrink: 0;
}

/* COMPÉTENCES */
.skill {
  margin-bottom: 12px;
  font-size: 0.95rem;
  transition: transform 0.3s;
}

.skill:hover {
  transform: translateX(4px);
}

.bar {
  height: 8px;
  background: rgba(0, 0, 0, 0.1);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 6px;
  backdrop-filter: blur(10px);
}

[data-theme="dark"] .bar {
  background: rgba(255, 255, 255, 0.1);
}

.fill {
  height: 100%;
  background: linear-gradient(90deg, var(--border-accent), #3b82f6);
  border-radius: 4px;
  transition: width 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  box-shadow: 0 0 10px rgba(0,118,191,0.5);
}

.fill-90 { width: 90%; }
.fill-80 { width: 80%; }
.fill-70 { width: 70%; }
.fill-60 { width: 60%; }
.fill-50 { width: 50%; }

/* MENU */
.main-nav {
  margin-top: 15px;
}

.main-nav a {
  margin: 0 8px;
  color: rgba(255,255,255,0.9);
  font-size: 0.95rem;
  padding: 6px 12px;
  border-radius: 20px;
  transition: all 0.3s;
}

.main-nav a:hover {
  background: rgba(255,255,255,0.2);
  text-decoration: none;
  transform: translateY(-2px);
}

/* FORMULAIRE */
#contact {
  margin-top: 15px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-top: 15px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field label {
  font-size: 0.95rem;
  font-weight: 500;
}

.field input,
.field textarea {
  padding: 12px 16px;
  border: 2px solid rgba(0,0,0,0.1);
  border-radius: 12px;
  font-family: inherit;
  font-size: 0.95rem;
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(10px);
  transition: all 0.3s;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--border-accent);
  box-shadow: 0 0 0 4px rgba(0,118,191,0.1);
}

[data-theme="dark"] .field input,
[data-theme="dark"] .field textarea {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
}

.contact-form button {
  align-self: stretch;
  padding: 14px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--border-accent), #3b82f6);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  box-shadow: 0 8px 25px rgba(0,118,191,0.4);
}

.contact-form button:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 35px rgba(0,118,191,0.6);
}

/* FOOTER */
.footer {
  background: var(--bg-secondary);
  backdrop-filter: blur(20px);
  text-align: center;
  padding: 20px 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-top: 1px solid rgba(255,255,255,0.2);
  margin-top: 40px;
  border-radius: 12px 12px 0 0;
}

[data-theme="dark"] .footer {
  border-top-color: rgba(255,255,255,0.1);
}

/* SCROLL */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 220px;
}

/* RESPONSIVE */
@media (max-width: 800px) {
  .layout {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  body {
    padding-top: 100px;
  }
  
  .hero {
    padding: 25px 15px;
  }
  
  .theme-btn {
    top: 15px;
    right: 15px;
  }
  
  .header-actions {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }
}

/* Placeholder logo formation interne */
.formation-logo {
  width: 60px;
  height: 45px;
  background: linear-gradient(135deg, var(--border-accent) 0%, rgba(0,118,191,0.7) 100%);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0,118,191,0.3);
  font-size: 1.6rem;
  transition: all 0.3s;
}

.formation-logo:hover {
  transform: scale(1.1);
}

.formation-logo::before {
  content: "🎓";
}

[data-theme="dark"] .formation-logo {
  background: linear-gradient(135deg, var(--border-accent) 0%, rgba(59,130,246,0.8) 100%);
  box-shadow: 0 4px 12px rgba(59,130,246,0.4);
}