/* ═══════════════════════════════════════
   PROJET — Styles spécifiques au template de projet
═══════════════════════════════════════ */

/* ══════════════════════════════════════
   LIEN RETOUR
══════════════════════════════════════ */

.back-link {
  position: fixed;
  top: 50%;
  left: 2rem;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
  z-index: 50;
}

.back-link:hover {
  color: var(--accent);
}

.back-link::before {
  content: '← ';
  writing-mode: horizontal-tb;
}

/* ══════════════════════════════════════
   HERO PROJET
══════════════════════════════════════ */

.project-hero {
  min-height: 100vh;
  flex-direction: column;
  justify-content: flex-end;
  padding: 10rem 6rem 5rem;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.project-hero::before {
  content: attr(data-num);
  position: absolute;
  right: 4rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: 'Playfair Display', serif;
  font-size: 30vw;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1px var(--border);
  pointer-events: none;
  line-height: 1;
}

.project-hero-meta {
  gap: 3rem;
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.2s forwards;
}

.meta-label {
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.3rem;
}

.meta-value {
  font-size: 0.8rem;
  color: var(--accent2);
}

.project-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(3.5rem, 8vw, 8rem);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.04em;
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.4s forwards;
}

.project-title em {
  color: var(--accent);
  font-style: italic;
}

.project-tags {
  gap: 0.7rem;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s 0.6s forwards;
}

/* ══════════════════════════════════════
   BARRE DE LIENS
══════════════════════════════════════ */

.links-bar {
  padding: 1.5rem 6rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.project-link {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--border);
  padding: 0.5rem 1.2rem;
  cursor: none;
  font-family: 'DM Mono', monospace;
  transition: color 0.2s, border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.project-link:hover {
  color: var(--accent);
  border-color: var(--accent2);
}

.project-link.primary {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

.project-link.primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--accent2);
  color: var(--bg);
}

/* ══════════════════════════════════════
   MOCKUPS
══════════════════════════════════════ */

.mockup-section {
  padding: 5rem 6rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 1.5px;
}

.mockup-frame {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  overflow: hidden;
}

.mockup-frame img {
  width: 100%;
  height: auto;
  display: block;
}

.mockup-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5px;
  background: var(--border);
}

.mockup-small {
  background: var(--surface);
  overflow: hidden;
}

.mockup-small img {
  width: 100%;
  height: auto;
  display: block;
}

/* ══════════════════════════════════════
   DESCRIPTION DU PROJET
══════════════════════════════════════ */

.project-desc-section {
  padding: 5rem 6rem;
  display: flex;
  flex-direction: column;
  gap: 4rem;
  border-bottom: 1px solid var(--border);
}

.project-desc-block h2 {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.project-desc-block p {
  font-size: 0.9rem;
  line-height: 1.85;
  color: #9e9891;
  margin-bottom: 1rem;
}

.project-desc-block p strong {
  color: var(--text);
  font-weight: 400;
}

.tech-stack {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 1px;
  background: var(--border);
  margin-top: 0;
}

.tech-item {
  background: var(--bg);
  padding: 1.5rem;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text);
  letter-spacing: 0.05em;
  transition: background 0.2s;
}

.tech-item:hover {
  background: var(--surface);
}

.tech-icon {
  display: block;
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

/* ══════════════════════════════════════
   NAVIGATION PRÉCÉDENT / SUIVANT
══════════════════════════════════════ */

.projects-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5px;
  background: var(--border);
  border-top: 1px solid var(--border);
}

.nav-project-btn {
  background: var(--bg);
  padding: 2.5rem 3rem;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: background 0.3s;
  cursor: none;
}

.nav-project-btn:hover {
  background: var(--surface);
}

.nav-project-btn.next {
  text-align: right;
}

.nav-dir {
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.2s;
}

.nav-proj-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  transition: color 0.2s;
}

.nav-project-btn:hover .nav-dir,
.nav-project-btn:hover .nav-proj-title {
  color: var(--accent);
}

/* ══════════════════════════════════════
   RESPONSIVE PROJET
══════════════════════════════════════ */

/* Tablet ≤ 900px */
@media (max-width: 900px) {
  .back-link { display: none; }

  .project-hero {
    padding: 8rem 3rem 4rem;
    min-height: auto;
  }

  .project-hero::before {
    font-size: 40vw;
    opacity: 0.6;
  }

  .links-bar {
    padding: 1.2rem 3rem;
  }

  .mockup-section {
    padding: 4rem 3rem;
  }

  .project-desc-section {
    padding: 4rem 3rem;
    gap: 3rem;
  }
}

/* Mobile ≤ 768px */
@media (max-width: 768px) {
  .back-link { display: none; }

  .project-hero {
    padding: 7rem 2rem 3rem;
    min-height: auto;
  }

  .project-hero::before {
    font-size: 45vw;
    opacity: 0.4;
  }

  .project-hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem;
  }

  .project-title {
    font-size: clamp(3rem, 13vw, 5rem);
    margin-bottom: 1.5rem;
  }

  .project-tags {
    display: flex;
  }

  .links-bar {
    padding: 1.2rem 2rem;
    gap: 0.7rem;
  }

  .project-link {
    cursor: pointer;
  }

  .mockup-section {
    padding: 3rem 2rem;
  }

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

  .project-desc-section {
    padding: 3rem 2rem;
    gap: 2.5rem;
  }

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

  .nav-project-btn {
    cursor: pointer;
    padding: 2rem;
  }

  .nav-project-btn.next {
    text-align: left;
  }
}

/* Mobile ≤ 480px — iPhone 15 Pro */
@media (max-width: 480px) {
  .project-hero {
    padding: 6.5rem 1.2rem 2.5rem;
  }

  .project-hero::before {
    font-size: 50vw;
    opacity: 0.25;
    right: 0;
  }

  .project-hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
  }

  .meta-label {
    font-size: 0.55rem;
  }

  .meta-value {
    font-size: 0.72rem;
  }

  .project-title {
    font-size: clamp(2.8rem, 14vw, 4rem);
    margin-bottom: 1.2rem;
    line-height: 0.95;
  }

  .links-bar {
    padding: 1rem 1.2rem;
    gap: 0.6rem;
  }

  .project-link {
    font-size: 0.62rem;
    padding: 0.5rem 0.9rem;
  }

  .mockup-section {
    padding: 2.5rem 1.2rem;
  }

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

  .project-desc-section {
    padding: 2.5rem 1.2rem;
    gap: 2rem;
  }

  .project-desc-block h2 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
  }

  .project-desc-block p {
    font-size: 0.85rem;
  }

  .tech-stack {
    grid-template-columns: repeat(auto-fill, minmax(85px, 1fr));
  }

  .tech-item {
    padding: 1rem;
    font-size: 0.7rem;
  }

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

  .nav-project-btn {
    padding: 1.8rem 1.2rem;
  }

  .nav-proj-title {
    font-size: 1.1rem;
  }
}