/* ============================================================
   PORTFOLIO — style.css
   Thème : Dark mode éditorial — Syne + DM Sans
   ============================================================ */

/* ============================================================
   1. VARIABLES & RESET
============================================================ */
:root {
  /* Palette principal:*/
  
  --bg:          #0b0c0e;
  --bg-alt:      #111316;
  --surface:     #181b20;
  --border:      #222529;
  --border-light:#2e3238;


  /* Texte */
  --text:        #f18d0a;
  --text-muted:  #f0f3f7;
  --text-faint:  #464d57;

  /* Accent */
  --accent:      #c8f45a;   /* vert électrique — ✏️ Change pour personnaliser */
  --accent-dim:  #8db33a;
  --accent-glow: rgba(200, 244, 90, 0.12);

  /* Typographie */
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;

  /* Espacement & rayons */
  --radius:      10px;
  --radius-lg:   18px;
  --gap:         clamp(1.5rem, 4vw, 3rem);

  /* Transitions */
  --ease:        cubic-bezier(0.16, 1, 0.3, 1);
  --dur:         0.4s;

  /* Header */
  --header-h:    68px;
}

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

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

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  cursor: none; /* On utilise le curseur custom */
}

/* Accessibilité : outline visible uniquement au clavier */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

img { display: block; max-width: 100%; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }
button { cursor: pointer; font-family: inherit; }

/* ============================================================
   2. CURSEUR PERSONNALISÉ
============================================================ */
.cursor {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.1s var(--ease);
}

.cursor-follower {
  width: 32px;
  height: 32px;
  border: 1.5px solid var(--accent);
  border-radius: 50%;
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: left 0.12s var(--ease), top 0.12s var(--ease), width 0.3s var(--ease), height 0.3s var(--ease), opacity 0.3s;
  opacity: 0.6;
}

/* Agrandir au survol des liens / boutons */
body.cursor-hover .cursor-follower {
  width: 56px;
  height: 56px;
  opacity: 0.3;
}

/* Masquer le curseur custom sur mobile */
@media (hover: none) {
  .cursor, .cursor-follower { display: none; }
  body { cursor: auto; }
}

/* ============================================================
   3. SCROLLBAR
============================================================ */
::-webkit-scrollbar       { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 4px; }

/* ============================================================
   4. TYPOGRAPHIE GLOBALE
============================================================ */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

p { color: var(--text-muted); max-width: 62ch; }

strong { color: var(--text); font-weight: 600; }

/* ============================================================
   5. LAYOUT UTILITAIRES
============================================================ */
.container {
  width: min(100%, 1140px);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3rem);
}

.section {
  padding-block: clamp(5rem, 10vw, 9rem);
  position: relative;
}

.section-alt {
  background: var(--bg-alt);
}

/* En-tête de section */
.section-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: clamp(3rem, 6vw, 5rem);
}

.section-number {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent);
  opacity: 0.7;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--text);
}

/* ============================================================
   6. BOUTONS
============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.6rem;
  border-radius: 6px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  transition: all var(--dur) var(--ease);
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #0b0c0e;
}
.btn-primary:hover {
  background: #d8ff6a;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--border-light);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.btn-full { width: 100%; justify-content: center; }

/* ============================================================
   7. ANIMATIONS REVEAL (scroll)
============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

/* Délais en cascade pour les enfants directs d'une grille */
.reveal:nth-child(2) { transition-delay: 0.08s; }
.reveal:nth-child(3) { transition-delay: 0.16s; }
.reveal:nth-child(4) { transition-delay: 0.24s; }

/* ============================================================
   8. HEADER / NAV
============================================================ */
.header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background 0.4s, box-shadow 0.4s;
}

.header.scrolled {
  background: rgba(11, 12, 14, 0.85);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
}

.nav {
  width: 100%;
  max-width: 1140px;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo initiales */
.nav-logo span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1.5px solid var(--accent);
  border-radius: 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  transition: background var(--dur);
}
.nav-logo:hover span {
  background: var(--accent);
  color: #0b0c0e;
}

/* Liens nav */
.nav-links {
  display: flex;
  gap: 2.5rem;
}

.nav-link {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  transition: color var(--dur);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  inset-inline: 0;
  bottom: -3px;
  height: 1.5px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}

.nav-link:hover,
.nav-link.active { color: var(--text); }
.nav-link:hover::after,
.nav-link.active::after { transform: scaleX(1); }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--dur) var(--ease), opacity var(--dur);
}

/* ============================================================
   9. HERO
============================================================ */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-block-start: calc(var(--header-h) + 2rem);
  overflow: hidden;
}

/* Grille de fond */
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.35;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
  pointer-events: none;
}

.hero-content {
  max-width: 820px;
  padding-inline: clamp(1.25rem, 5vw, 3rem);
  margin-inline: auto;
  width: 100%;
}

/* Label "disponible" */
.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  max-width: none;
  margin-bottom: 1.5rem;
}
.hero-label::before {
  content: '';
  display: block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(200,244,90,.5); }
  50%       { box-shadow: 0 0 0 8px transparent; }
}

/* Nom hero */
.hero-name {
  font-size: clamp(4rem, 11vw, 9rem);
  font-weight: 500;
  line-height: 0.9;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
}

.hero-name-first { color: var(--text); }
.hero-name-last  { color: var(--accent); }

/* Titre */
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.3rem);
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.03em;
  max-width: none;
  margin-bottom: 1rem;
}

/* Description */
.hero-desc {
  font-size: 1.05rem;
  font-weight: 300;
  max-width: 52ch;
  margin-bottom: 2.5rem;
}

/* CTA */
.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--text-faint), transparent);
  animation: scrollLine 2s ease infinite;
}
@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================================================
   10. ABOUT
============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
}

.about-text p {
  margin-bottom: 1.1rem;
  font-size: 1.02rem;
}

/* Faits clés */
.about-facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem 2rem;
  margin-block: 2rem;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.about-facts li {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.fact-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.fact-value {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

/* Photo */
.about-photo {
  flex-shrink: 0;
}

.photo-frame {
  position: relative;
  width: clamp(180px, 22vw, 280px);
}

.photo-placeholder {
  width: 100%;
  aspect-ratio: 3/4;
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  position: relative;
  z-index: 1;
}

.photo-frame img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  position: relative;
  z-index: 1;
}

/* Déco derrière la photo */
.photo-deco {
  position: absolute;
  inset: 12px -12px -12px 12px;
  border: 1.5px solid var(--accent);
  border-radius: var(--radius-lg);
  opacity: 0.35;
  z-index: 0;
}

/* ============================================================
   11. COMPÉTENCES
============================================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.skill-card {
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--dur), transform var(--dur) var(--ease);
}
.skill-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.skill-card-icon {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.skill-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1.5rem;
}

.skill-list { display: flex; flex-direction: column; gap: 1rem; }

.skill-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.skill-name {
  font-size: 0.87rem;
  color: var(--text-muted);
  font-weight: 400;
}

.skill-bar {
  height: 3px;
  background: var(--border-light);
  border-radius: 2px;
  overflow: hidden;
}

.skill-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  width: 0; /* animé en JS */
  transition: width 1.2s var(--ease);
}

/* ============================================================
   12. PROJETS
============================================================ */
/* Filtres */
.filter-bar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.filter-btn {
  padding: 0.45rem 1.1rem;
  border-radius: 30px;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  background: transparent;
  border: 1.5px solid var(--border-light);
  color: var(--text-muted);
  transition: all var(--dur) var(--ease);
}
.filter-btn:hover { border-color: var(--accent); color: var(--accent); }
.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #0b0c0e;
}

/* Grille projets */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

/* Carte projet */
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--dur), transform var(--dur) var(--ease), box-shadow var(--dur);
}
.project-card:hover {
  border-color: var(--border-light);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,.4);
}

/* Masquage filtre */
.project-card.hidden {
  display: none;
}

/* Image / placeholder */
.project-visual {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.project-img-placeholder {
  width: 100%;
  height: 100%;
  background: var(--c, #1a1a2e);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 800;
  color: rgba(255,255,255,.06);
}

.project-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Overlay sur survol */
.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(11,12,14,.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  opacity: 0;
  transition: opacity var(--dur);
}
.project-card:hover .project-overlay { opacity: 1; }

.project-link {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  padding: 0.55rem 1.2rem;
  border-radius: 5px;
  background: var(--accent);
  color: #0b0c0e;
  transition: background var(--dur);
}
.project-link:hover { background: #d8ff6a; }

.project-link-ghost {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,.2);
  color: var(--text);
}
.project-link-ghost:hover { border-color: var(--accent); color: var(--accent); background: transparent; }

/* Corps carte */
.project-body { padding: 1.5rem; }

.project-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.project-category {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.project-year {
  font-size: 0.75rem;
  color: var(--text-faint);
  font-family: var(--font-display);
}

.project-title {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.6rem;
}

.project-desc {
  font-size: 0.88rem;
  line-height: 1.65;
  margin-bottom: 1.1rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.project-tags li {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  color: var(--text-muted);
}

/* ============================================================
   13. CONTACT
============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
}

.contact-heading {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  color: var(--text);
  line-height: 1.05;
  margin-bottom: 1.5rem;
}

.contact-intro p {
  font-size: 1.02rem;
  margin-bottom: 2rem;
}

.contact-links { display: flex; flex-direction: column; gap: 0.85rem; }

.contact-social {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: color var(--dur);
}
.contact-social:hover { color: var(--accent); }

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1.5px solid var(--border-light);
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: border-color var(--dur), color var(--dur);
  flex-shrink: 0;
}
.contact-social:hover .social-icon {
  border-color: var(--accent);
  color: var(--accent);
}

/* Formulaire */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

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

.form-group label {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.form-group input,
.form-group textarea {
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 0.8rem 1rem;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--dur);
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-faint); }
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-status {
  font-size: 0.85rem;
  min-height: 1.2em;
  max-width: none;
}
.form-status.success { color: var(--accent); }
.form-status.error   { color: #ff6b6b; }

/* ============================================================
   14. FOOTER
============================================================ */
.footer {
  padding-block: 2rem;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.footer-copy,
.footer-credit {
  font-size: 0.82rem;
  color: var(--text-faint);
  max-width: none;
}

/* ============================================================
   15. RESPONSIVE
============================================================ */

/* --- Tablette --- */
@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
  }
  .about-photo {
    order: -1;
    display: flex;
    justify-content: center;
  }
  .photo-frame {
    width: clamp(140px, 40vw, 220px);
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Mobile --- */
@media (max-width: 640px) {
  /* Nav mobile */
  .nav-links {
    /* afficher toutes les menu en mode mobile */
    position: fixed;
    inset: 0;
    background: var(--bg-alt);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    transform: translateX(100%);
    transition: transform var(--dur) var(--ease);
    z-index: -200;
    -ms-transform-origin-y: 0%;
     transform-origin-y: 0%;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-link { font-size: 1.1rem; }

  .nav-toggle {
    display: flex;
    z-index: 201;
  }
  /* Animation hamburger → croix */
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .about-facts { grid-template-columns: 1fr; }

  .hero-cta { flex-direction: column; }
  .hero-cta .btn { justify-content: center; }

  .footer-inner { justify-content: center; text-align: center; }
}