/* =============================================
   STUDIO NCLS — portfolio-page.css
   Styles des pages de projet individuelles
============================================= */

/* ===== HERO PROJET ===== */
.project-hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: flex-end;
  padding-top: var(--header-h);
  overflow: hidden;
}
.project-hero--blue   { background: linear-gradient(135deg, #0c1628 0%, #1e3a5f 55%, #1d4ed8 100%); }
.project-hero--purple { background: linear-gradient(135deg, #130d22 0%, #2d1863 55%, #6d28d9 100%); }
.project-hero--cyan   { background: linear-gradient(135deg, #071820 0%, #0c3d5c 55%, #0284c7 100%); }
.project-hero--green  { background: linear-gradient(135deg, #081a0f 0%, #14432a 55%, #047857 100%); }
.project-hero--amber  { background: linear-gradient(135deg, #150e00 0%, #3d2800 55%, #b45309 100%); }
.project-hero--rose   { background: linear-gradient(135deg, #180808 0%, #3f1010 55%, #be123c 100%); }

/* Grille décorative */
.project-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 48px 48px;
}
/* Dégradé bas vers haut pour lisibilité du texte */
.project-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7,7,15,0.75) 0%, rgba(7,7,15,0.2) 50%, transparent 100%);
}
.project-hero .container {
  position: relative;
  z-index: 1;
  width: 100%;
  padding-bottom: 3.5rem;
}
.project-hero__breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 2rem;
}
.project-hero__breadcrumb a {
  color: rgba(255,255,255,0.55);
  transition: color 0.25s;
}
.project-hero__breadcrumb a:hover { color: #fff; }
.project-hero__breadcrumb svg { flex-shrink: 0; }
.project-hero__category {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-light);
  background: rgba(59,130,246,0.18);
  border: 1px solid rgba(59,130,246,0.35);
  padding: 0.35rem 0.9rem;
  border-radius: 8px;
  margin-bottom: 1.1rem;
}
.project-hero__title {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-bottom: 0.9rem;
}
.project-hero__tagline {
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: rgba(255,255,255,0.65);
  line-height: 1.6;
  max-width: 640px;
}

/* ===== LAYOUT CONTENU ===== */
.project-content {
  padding: 5rem 0 6rem;
}
.project-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 4rem;
  align-items: start;
}

/* === Colonne principale === */
.project-main {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}
.project-section__label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-light);
  display: block;
  margin-bottom: 0.6rem;
}
.project-section h2 {
  font-size: clamp(1.5rem, 2.5vw, 1.9rem);
  color: var(--text);
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.project-section h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.75rem;
}
.project-section p {
  font-size: 1rem;
  line-height: 1.82;
  color: var(--text-sec);
  margin-bottom: 1.1rem;
}
.project-section p:last-child { margin-bottom: 0; }

/* Blocs défi / solution avec accent latéral */
.project-blocks {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.project-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 1.4rem 1.6rem;
}
.project-block--green { border-left-color: #10b981; }
.project-block__title {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}
.project-block p {
  font-size: 0.95rem;
  line-height: 1.72;
  color: var(--text-sec);
  margin: 0;
}

/* Cards de résultats */
.project-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 0.5rem;
}
.result-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem 1.25rem;
  text-align: center;
  transition: var(--transition);
}
.result-card:hover {
  border-color: var(--border-h);
  transform: translateY(-4px);
  box-shadow: var(--shadow-blue);
}
.result-card__num {
  display: block;
  font-size: 2.1rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.6rem;
}
.result-card__label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
  line-height: 1.4;
}

/* === Sidebar / métadonnées === */
.project-sidebar {
  position: sticky;
  top: calc(var(--header-h) + 2rem);
}
.project-meta {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0 1.75rem;
  overflow: hidden;
}
.meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}
.meta-item:last-of-type { border-bottom: none; }
.meta-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}
.meta-value {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
}
.meta-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 1rem 0 1.25rem;
  border-top: 1px solid var(--border);
  margin-top: 0.5rem;
}
.meta-tags .tag { font-size: 0.73rem; }
.project-meta .btn {
  width: 100%;
  justify-content: center;
  margin: 1.25rem 0 1.75rem;
}

/* ===== NAVIGATION PREV / NEXT ===== */
.project-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--border);
}
.project-nav__item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 2.5rem clamp(1rem, 4vw, 2.5rem);
  text-decoration: none;
  transition: background var(--transition);
}
.project-nav__item:hover { background: var(--bg-card); }
.project-nav__item--next {
  text-align: right;
  border-left: 1px solid var(--border);
}
.project-nav__dir {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.project-nav__item--next .project-nav__dir { justify-content: flex-end; }
.project-nav__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
  transition: color var(--transition);
}
.project-nav__item:hover .project-nav__title { color: var(--accent-light); }
.project-nav__cat {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ===== LIGHT MODE overrides page projet ===== */
[data-theme="light"] .project-hero::after {
  background: linear-gradient(to top, rgba(245,247,250,0.6) 0%, rgba(245,247,250,0.1) 40%, transparent 100%);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .project-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .project-sidebar { position: static; }
  .project-results { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .project-hero { min-height: 380px; }
  .project-results { grid-template-columns: 1fr; max-width: 280px; margin: 0.5rem auto 0; }
  .project-nav { grid-template-columns: 1fr; }
  .project-nav__item--next { border-left: none; border-top: 1px solid var(--border); text-align: left; }
  .project-nav__item--next .project-nav__dir { justify-content: flex-start; }
}