/* =============================================
   style.css — Le design de mon site personnel
   Auteur : Ton Nom
   Version : 1.0
   ============================================= */

/* ========== 1. VARIABLES CSS (le système de design) ==========
   Les variables CSS sont comme des "réglages" de ton design.
   Tu changes une valeur ici, et ça change partout sur le site.
   C'est une bonne pratique professionnelle.
*/
:root {
  /* Couleurs principales */
  --color-bg: #080c10;           /* Fond principal (noir profond) */
  --color-bg-2: #0d1117;         /* Fond secondaire (cartes) */
  --color-bg-3: #161b22;         /* Fond tertiaire (bordures) */

  --color-accent: #e8ff00;       /* Accent jaune-vert (signature) */
  --color-accent-2: #00d4aa;     /* Accent secondaire (turquoise) */

  --color-text: #e6edf3;         /* Texte principal (blanc doux) */
  --color-text-muted: #7d8590;   /* Texte secondaire (gris) */
  --color-text-faint: #30363d;   /* Texte très discret */

  --color-border: #21262d;       /* Couleur des bordures */

  /* Typographie */
  --font-display: 'Syne', sans-serif;    /* Pour les titres */
  --font-body: 'DM Sans', sans-serif;    /* Pour le texte */

  /* Espacements (système cohérent) */
  --space-xs: 0.5rem;    /*  8px */
  --space-sm: 1rem;      /* 16px */
  --space-md: 1.5rem;    /* 24px */
  --space-lg: 2.5rem;    /* 40px */
  --space-xl: 4rem;      /* 64px */
  --space-2xl: 6rem;     /* 96px */

  /* Effets */
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --transition: 0.3s ease;

  /* Largeur max du contenu */
  --max-width: 1200px;
}

/* ========== 2. RESET CSS ==========
   Le navigateur applique ses propres styles par défaut.
   On les remet à zéro pour partir d'une base propre.
*/
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;  /* Calcul de taille plus logique */
}

html {
  scroll-behavior: smooth;  /* Défilement fluide sur les ancres */
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;  /* Empêche le scroll horizontal */
}

/* Liens : on retire le style par défaut */
a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

/* Listes : on retire les puces par défaut */
ul {
  list-style: none;
}

/* ========== 3. CLASSES UTILITAIRES ==========
   Des classes réutilisables partout dans le HTML.
*/
.container {
  max-width: var(--max-width);
  margin: 0 auto;           /* Centrer horizontalement */
  padding: 0 var(--space-md);
}

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

/* ========== 4. BOUTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.8rem 1.8rem;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  letter-spacing: 0.01em;
}

/* Bouton principal : fond jaune-vert */
.btn-primary {
  background: var(--color-accent);
  color: #000;
  font-weight: 700;
}

.btn-primary:hover {
  background: #fff;
  transform: translateY(-2px);  /* Légère élévation au survol */
  box-shadow: 0 8px 30px rgba(232, 255, 0, 0.3);
}

/* Bouton secondaire : bordure transparente */
.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

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

/* ========== 5. NAVIGATION ========== */
.navbar {
  position: fixed;          /* Reste en haut même en scrollant */
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;             /* Au-dessus de tout le reste */
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem var(--space-lg);
  background: rgba(8, 12, 16, 0.8);
  backdrop-filter: blur(12px);      /* Effet verre dépoli */
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}

/* Logo */
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

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

/* Liens navigation */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-links a {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-weight: 400;
}

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

/* Bouton CTA dans la nav */
.nav-cta {
  background: var(--color-accent) !important;
  color: #000 !important;
  font-weight: 700 !important;
  padding: 0.5rem 1.2rem;
  border-radius: 6px;
}

/* Bouton hamburger (mobile) - caché sur desktop */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

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

/* ========== 6. SECTION HERO ========== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
  padding: 8rem var(--space-lg) var(--space-xl);
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
}

/* Fond décoratif */
.hero-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

/* Grille de fond */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(232, 255, 0, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 255, 0, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}

/* Lueur centrale */
.hero-glow {
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 212, 170, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

/* Contenu texte du hero */
.hero-content {
  flex: 1;
  max-width: 600px;
  animation: fadeInUp 0.8s ease forwards;
}

/* Badge "disponible" */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 212, 170, 0.1);
  border: 1px solid rgba(0, 212, 170, 0.2);
  color: var(--color-accent-2);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  margin-bottom: var(--space-md);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent-2);
  animation: pulse 2s infinite;  /* Animation de pulsation */
}

/* Titre principal */
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem); /* Taille fluide selon l'écran */
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-md);
}

.title-line {
  display: block;
}

.title-line.accent {
  color: var(--color-accent);
}

/* Sous-titre */
.hero-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 500px;
  margin-bottom: var(--space-lg);
}

/* Boutons d'action */
.hero-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}

/* Statistiques */
.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

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

.stat-number {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--color-border);
}

/* ========== 7. CARTE CODE (visuel du hero) ========== */
.hero-visual {
  flex: 0 0 auto;
  animation: fadeInUp 0.8s 0.2s ease both;
}

.hero-card {
  background: var(--color-bg-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  width: 340px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.card-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.8rem 1rem;
  background: var(--color-bg-3);
  border-bottom: 1px solid var(--color-border);
}

/* Points de couleur style macOS */
.card-dots {
  display: flex;
  gap: 6px;
}

.card-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-text-faint);
}

.card-dots span:nth-child(1) { background: #ff5f56; }
.card-dots span:nth-child(2) { background: #ffbd2e; }
.card-dots span:nth-child(3) { background: #27c93f; }

.card-title {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-family: 'Courier New', monospace;
}

/* Zone de code */
.card-code {
  padding: 1.5rem;
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  line-height: 2;
}

.code-line {
  display: block;
}

.code-line.indent {
  padding-left: 1.5rem;
}

/* Couleurs syntaxiques */
.c-tag   { color: #7ee787; }
.c-attr  { color: #79c0ff; }
.c-val   { color: #a5d6ff; }
.c-text  { color: #e6edf3; }

/* Curseur clignotant */
.code-cursor {
  display: inline-block;
  color: var(--color-accent);
  animation: blink 1s infinite;
  font-weight: bold;
}

.card-footer {
  padding: 0.8rem 1rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: 0.5rem;
}

/* Tags de technologie */
.tag-html { background: rgba(240, 80, 50, 0.15); color: #f05032; padding: 0.2rem 0.6rem; border-radius: 4px; font-size: 0.75rem; font-weight: 600; }
.tag-css  { background: rgba(38, 77, 228, 0.15); color: #264de4; padding: 0.2rem 0.6rem; border-radius: 4px; font-size: 0.75rem; font-weight: 600; }
.tag-js   { background: rgba(247, 223, 30, 0.15); color: #f7df1e; padding: 0.2rem 0.6rem; border-radius: 4px; font-size: 0.75rem; font-weight: 600; }

/* ========== 8. INDICATEUR DE SCROLL ========== */
.scroll-indicator {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  animation: bounce 2s infinite;
}

.scroll-arrow {
  font-size: 1.2rem;
}

/* ========== 9. SECTIONS COMMUNES ========== */
.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
}

/* ========== 10. SECTION À PROPOS ========== */
.about {
  padding: var(--space-2xl) var(--space-lg);
  max-width: var(--max-width);
  margin: 0 auto;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.about-text p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
  line-height: 1.8;
}

.about-text .btn {
  margin-top: var(--space-md);
}

/* Grille de compétences */
.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.skill-tag {
  background: var(--color-bg-3);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  transition: var(--transition);
}

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

/* ========== 11. SECTION PROJETS ========== */
.projects {
  padding: var(--space-2xl) var(--space-lg);
  background: var(--color-bg-2);
}

.projects .container {
  max-width: var(--max-width);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.project-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: var(--transition);
}

.project-card:hover {
  border-color: rgba(232, 255, 0, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Carte mise en avant */
.project-card.featured {
  border-color: rgba(232, 255, 0, 0.2);
  background: linear-gradient(135deg, rgba(232, 255, 0, 0.03), var(--color-bg));
}

.project-category {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent-2);
  margin-bottom: 0.75rem;
}

.project-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.project-card p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

/* Tags de projet */
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.project-tags span {
  background: var(--color-bg-3);
  color: var(--color-text-muted);
  padding: 0.3rem 0.7rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
}

/* ========== 12. FOOTER ========== */
.footer {
  padding: var(--space-xl) var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.footer-content {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

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

.footer-text,
.footer-copy {
  color: var(--color-text-muted);
  font-size: 0.85rem;
}

/* ========== 13. ANIMATIONS ========== */
/* Apparition de bas en haut */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Curseur clignotant */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* Point de pulsation */
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 212, 170, 0.4); }
  50%       { box-shadow: 0 0 0 6px rgba(0, 212, 170, 0); }
}

/* Rebond (scroll indicator) */
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

/* ========== 14. RESPONSIVE DESIGN ==========
   On adapte le design selon la taille de l'écran.
   "max-width: 768px" = s'applique sur mobile/tablette.
*/
@media (max-width: 1024px) {
  /* Tablette */
  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: 7rem;
    min-height: auto;
    padding-bottom: var(--space-2xl);
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-actions,
  .hero-stats {
    justify-content: center;
  }

  .hero-subtitle {
    max-width: 100%;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    text-align: center;
  }

  .skills-grid {
    justify-content: center;
  }

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

@media (max-width: 768px) {
  /* Mobile */

  /* Navigation : on cache les liens, on affiche le hamburger */
  .nav-links {
    display: none;          /* Caché par défaut */
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg-2);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: var(--space-md);
    gap: var(--space-sm);
  }

  /* Quand le menu est ouvert (classe ajoutée par JS) */
  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: flex;  /* Afficher le hamburger */
  }

  .navbar {
    padding: 1rem var(--space-md);
    position: relative; /* Pour que le menu dropdown fonctionne */
  }

  .hero-card {
    width: 100%;
    max-width: 340px;
  }

  .hero-stats {
    gap: var(--space-sm);
  }

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

  .scroll-indicator {
    display: none;
  }
}

/* ========== SECTION SERVICES ========== */
.services {
    padding: var(--space-2xl) var(--space-lg);
    max-width: var(--max-width);
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}

.service-card {
    background: var(--color-bg-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: var(--transition);
}

.service-card:hover {
    border-color: rgba(232, 255, 0, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.service-card.featured {
    border-color: rgba(232, 255, 0, 0.2);
    background: linear-gradient(135deg, rgba(232, 255, 0, 0.03), var(--color-bg-2));
}

.service-icon {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.service-card p {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    line-height: 1.6;
    margin-bottom: var(--space-sm);
}

.service-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.service-list li {
    color: var(--color-text-muted);
    font-size: 0.8rem;
    padding-left: 1rem;
    position: relative;
}

.service-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}

/* ========== BOUTON WHATSAPP FLOTTANT ========== */
.whatsapp-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 999;
    background: #25D366;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: var(--transition);
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: white;
    color: #000;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
}

.whatsapp-btn:hover .whatsapp-tooltip {
    opacity: 1;
}

/* ========== BOUTON LANGUE FR/EN ========== */
.lang-switcher {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    padding: 0.4rem 0.9rem;
    border-radius: 6px;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.05em;
}

.lang-switcher:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* ========== SECTION CONTACT ========== */
.contact {
    padding: var(--space-2xl) var(--space-lg);
    background: var(--color-bg-2);
}

.contact-grid {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.contact-text p {
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: var(--space-sm);
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.contact-card {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem 1.2rem;
    transition: var(--transition);
}

.contact-card:hover {
    border-color: var(--color-accent);
    transform: translateX(6px);
}

.contact-icon {
    font-size: 1.5rem;
    width: 40px;
    text-align: center;
}

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

.contact-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    font-weight: 600;
}

.contact-value {
    font-size: 0.95rem;
    color: var(--color-text);
    font-weight: 500;
}

.contact-arrow {
    color: var(--color-accent);
    font-size: 1.2rem;
    opacity: 0;
    transition: var(--transition);
}

.contact-card:hover .contact-arrow {
    opacity: 1;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}