/* ============================================
   CV Ingénieur - Feuille de styles principale
   Style : sobre, moderne, minimal
   Couleurs : #326586, #F4E9D4, #6F757B
   ============================================ */

/* ---------- Variables CSS ---------- */
:root {
  --color-primary: #1F3A5F;
  --color-secondary: #8bb8f7;
  --color-dark: #1E1E1E;
  --color-accent: #F4692A;
  --color-text: #1E1E1E;
  --color-text-light: #e8eef6;
  --color-text-white: #ffffff;
  --color-bg: #e8eef6;
  --color-bg-section: #ffffff;
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Work Sans', sans-serif;
  --space-xs: 0.3rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-xxl: 6rem;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.35s ease;
  --shadow-soft: 0 2px 12px rgba(50, 101, 134, 0.08);
  --nav-height: 64px;
  --rotation-photo: 0.33, 1.2, 0.68, 1
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  padding-top: var(--nav-height);
  min-height: 100vh;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

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

/* ---------- Typographie ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.25;
}

h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--color-dark);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.35rem, 2.5vw, 1.65rem);
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

h3 {
  font-size: 1.15rem;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

h4 {
  font-size: clamp(1.35rem, 2.5vw, 1.65rem);
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

/* ---------- Navigation (bandeau fixe) ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--color-dark);
  box-shadow: var(--shadow-soft);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-xs);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--space-md);
  box-sizing: border-box; /* important pour mobile */
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
}

.nav-links a {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-text-light);
  background: transparent;
  padding: var(--space-xs) var(--space-md);
  border-radius: 6px;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.nav-links a:hover {
  color: var(--color-accent);
  transform: scale(1.05);
}

.nav-links a.active {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-secondary);
}

.btn-download-cv {
  position: absolute;
  right: 0;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: var(--color-bg-section) !important;
  color: var(--color-accent) !important;
  padding: var(--space-xs) var(--space-md) !important;
  border-radius: 6px;
  white-space: nowrap;
}

.btn-download-cv:hover {
  background: var(--color-accent) !important;
  color: var(--color-bg) !important;
}

.nav-toggle {
  display: none; /* desktop : caché par défaut */
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text-light);
  cursor: pointer;
  z-index: 1001;
}

/* ---------- Responsive Mobile ---------- */
@media (max-width: 768px) {
  .nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-sm);
    position: relative;
  }

  /* Hamburger */
  .nav-toggle {
    display: block;
    font-size: 1.5rem;
    color: var(--color-text-light);
    background: none;
    border: none;
    cursor: pointer;
    order: 0;
    z-index: 1002; /* Au-dessus du menu */
  }

  /* CV bouton à droite */
  .btn-download-cv {
    order: 1;
    position: relative;
    margin-top: 0;
  }

  /* Menu mobile */
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background: var(--color-dark);
    display: none;
    flex-direction: column;
    align-items: center;
    padding: 1rem 0;
    z-index: 9999;
  }

  .nav-links.show {
    display: flex;
  }
}



/* ---------- Ajustements supplémentaires pour petits écrans ---------- */
@media (max-width: 480px) {
  .nav-links a {
    font-size: 0.9rem;
    padding: var(--space-xs) var(--space-sm);
  }

  .btn-download-cv {
    font-size: 0.9rem;
    padding: var(--space-xs) var(--space-sm) !important;
    position: static;       /* plus absolu, s'insère dans le flux */

  }
}



/* ---------- Conteneur principal ---------- */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.containerF{
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}


.container-wide {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-hero {
  max-width: 1100px;
}

/* ---------- Page Accueil : Hero ---------- */
.hero {
  min-height: 50vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-md) 0;
  background: var(--color-primary);
}

.hero-content {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-xl);
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(24px);
  animation: heroReveal 0.9s ease forwards;
}

.hero-photo-wrapper {
  perspective: 1000px; /* permet l'effet 3D */
  display: inline-block;
  flex-shrink: 0;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  overflow: hidden;
  border: 0px solid var(--color-bg);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  position: relative;
  background: rgba(250, 242, 227, 0.15);
  transition: transform var(--transition-normal);
}

.photo-border {
  display: flex;
  width: 100%;
  height: 100%;
  border: 4px solid var(--color-secondary); /* bordure visible */
  border-radius: 50%;
  overflow: hidden;            /* pour contenir l'image */
  transition: transform 3s cubic-bezier(var(--rotation-photo));
  transform-style: preserve-3d; 
  cursor: pointer;
  align-items: center;
}

.photo-border img.hero-photo {
  display: block;
  width: 100%;  /* remplit tout le parent */
  height: 100%; /* remplit tout le parent */
  border-radius: 50%; /* reste circulaire */
}

.hero-photo-wrapper:hover {
  transform: scale(1.05);
  perspective: 1000px;
}

.hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%; /* déjà circulaire */
  cursor: pointer;    /* indique que c’est cliquable */
  transition: transform 3s cubic-bezier(var(--rotation-photo)); /* animation fluide avec décélération */
  transform-style: preserve-3d; /* nécessaire pour 3D */
}

.hero-photo.flipped {
  transform: rotateY(1620deg); /* un tour complet sur l'axe Y */
}

.photo-border.flipped {
  transform: rotateY(1620deg) scale(1.00); /* rotation + léger zoom */
}

.hero-photo-fallback {
  display: none;
  position: absolute;
  inset: 0;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.9);
}

.hero-photo-fallback.show {
  display: flex;
}

.hero-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.hero h1 {
  color: var(--color-bg-section);
  font-size: clamp(1.75rem, 4vw, 2.5rem);


}

.hero .title {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  margin-top: var(--space-xs);
  animation: heroReveal 0.9s ease 0.15s forwards;
  opacity: 0;
  transform: translateY(24px);

}

.hero .tagline {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255, 255, 255, 0.85);
  margin-top: var(--space-lg);
  white-space: nowrap;
  font-style: italic;
  animation: heroReveal 0.9s ease 0.25s forwards;
  opacity: 0;
  transform: translateY(24px);
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  flex-wrap: wrap;
  justify-content: center;
  animation: heroReveal 0.9s ease 0.35s forwards;
  opacity: 0;
  transform: translateY(24px);
}

.btn-hero {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--color-secondary);
  color: var(--color-text);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-normal);
  box-shadow: 0 2px 8px rgba(139, 184, 247, 0.3);
}

.btn-hero:hover {
  background: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(246, 105, 42, 0.4);
}

.btn-hero i {
  font-size: 1rem;
}

@media (max-width: 600px) {
  .hero .tagline {
    white-space: normal;
  }
  .hero-photo-wrapper {
    width: 200px;
    height: 200px;
  }
  .hero-content {
    justify-content: center;
  }
  .hero-text {
    align-items: center;
    text-align: center;
  }
}

@keyframes heroReveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- Section À propos ---------- */
.section {
  padding: var(--space-lg) 0;
}

.section-alt {
  background: var(--color-bg-section);
  padding: var(--space-xl) 0;
}

.section-about {
  background: var(--color-bg-section);
  padding-top: var(--space-lg);
}

.section-title {
  margin-bottom: var(--space-sm);
  position: relative;
  display: inline-block;
}


.section-title::after {
  content: "";
  position: absolute;
  left: 0%;
  bottom: -8px;
  width: 40px;          /* longueur du trait */
  height: 2px;          /* épaisseur */
  background-color: var(--color-accent);
  border-radius: 1px;   /* optionnel, pour adoucir */
}

.section p {
  color: var(--color-text);
  max-width: 80ch;
}

/* ---------- Page Expériences ---------- */

.experience-card {
  background: var(--color-bg-section);
  padding: var(--space-md);
  margin-top: var(--space-md);
  border-radius: 16px;
  box-shadow: var(--shadow-soft);
  border: 0px solid var(--color-secondary);
  opacity: 0;
  transform: translateY(20px);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.experience-card.visible:hover {
  box-shadow: 0 1px 20px rgba(50, 101, 134, 0.12);
  transform: translateY(0) scale(1.02);
}

.experience-card h3 {
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.experience-meta {
  font-size: 0.9rem;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.experience-meta span {
  margin-right: var(--space-md);
}

.span2 {
  font-size: 0.8rem;
  margin-right: var(--space-md);
  color: var(--color-primary);
}

/* ---------- Page Compétences ---------- */
.skills-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: 2.5rem;
}

.skills-container > .skills-section:nth-child(5) {
  grid-column: 1;
}

@media (max-width: 768px) {
  .skills-container {
    grid-template-columns: 1fr;
  }
  
  .skills-container > .skills-section:nth-child(5) {
    grid-column: 1;
    width: 100%;
    margin: 0;
  }
}

.skills-section {
  margin-bottom: 0;
  padding: var(--space-md);
  background: var(--color-bg-section);
  border-radius: 16px;
  box-shadow: var(--shadow-soft);
  opacity: 0;
  transform: translateY(20px);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.skills-section.visible {
  opacity: 1;
  transform: translateY(0);
}

.skills-section.visible:hover {
  box-shadow: 0 4px 20px rgba(50, 101, 134, 0.12);
  transform: translateY(0) scale(1.02);
}

.skills-section h2 {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--color-primary);
  width: 108%;        /* largeur réduite */
  margin-left: -4%;      /* ou auto si tu veux centré */
  margin-top: -2%;      /* ou auto si tu veux centré */

}

.skills-section h4 {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--color-primary);
  width: 108%;        /* largeur réduite */
  margin-left: -4%;      /* ou auto si tu veux centré */
  margin-top: -2%;      /* ou auto si tu veux centré */

}

.skills-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.skills-list li {
  background: var(--color-bg-section);
  padding: var(--space-xs) var(--space-md);
  border-radius: 6px;
  font-size: 0.95rem;
  color: var(--color-text);
  box-shadow: var(--shadow-soft);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.skills-list li:hover {
  background: var(--color-accent);
  transform: scale(1.00);
  color: var(--color-dark);
}

/* ---------- Page Intérêts ---------- */
.interest-block {
  margin-bottom: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-bg-section);
  border-radius: 16px;
  box-shadow: var(--shadow-soft);
  opacity: 0;
  transform: translateY(20px);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.interest-block.visible {
  opacity: 1;
  transform: translateY(0);
}

.interest-block.visible:hover {
  box-shadow: 0 4px 20px rgba(50, 101, 134, 0.12);
  transform: translateY(0) scale(1.02);
}

.interest-block h2 {
  margin-bottom: var(--space-sm);
}

.interest-block p {
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

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

.interest-image {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  width: 100%;
  aspect-ratio: 16/10;
  background: var(--color-bg-section);
  object-fit: cover;
}

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

/* ---------- Utilitaires & Animations au scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.visible {
  padding: var(--space-sm);
  opacity: 1;
  max-width: 70ch;
  transform: translateY(0);
}


.revealtitle {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.revealtitle.visible {
  padding: var(--space-sm);
  opacity: 1;
  transform: translateY(0);
}


.revealtitle.visible::after {
  content: "";
  position: absolute;
  left: 1%;
  bottom: 13px;
  width: 30px;          /* longueur du trait */
  height: 2px;          /* épaisseur */
  background-color: var(--color-accent);
  border-radius: 1px;   /* optionnel, pour adoucir */
}

/* ---------- Éléments inline (code, etc.) ---------- */
code {
  font-family: var(--font-body);
  font-size: 0.9em;
  background: var(--color-dark);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  color: var(--color-primary);
}

/* ---------- Pied de page ---------- */
.page-footer {
  margin-top: var(--space-xs);
  padding: var(--space-md) 0;
  background: var(--color-dark);
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.page-footer .footer-inner {
  display: flex;
  max-width: none;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.page-footer .footer-contact {
  display: flex;
  align-items : center;
  gap: var(--space-sm);
}

.page-footer .footer-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.5rem;
  height: 2.5rem;
  padding: 0 var(--space-xs);
  color: var(--color-text-white);
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.page-footer .footer-icon:hover {
  color: var(--color-accent);
  transform: scale(1.15);
}

.page-footer .footer-icon i {
  font-size: 1.4rem;
}

.page-footer .footer-mail-toggle {
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-text-white);
}

.page-footer .footer-mail-toggle.showing-email {
  font-size: 0.85rem;
  white-space: nowrap;
}

.page-footer .btn-download-cv-footer {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  background: var(--color-bg-section) !important;
  color: var(--color-accent) !important;
  border-radius: 6px;
  font-weight: 500;
}

.page-footer .btn-download-cv-footer:hover {
  color: var(--color-bg-section) !important;
  background: var(--color-accent) !important;
}