/* ...existing code... */

/* ============================================================
   styleprojet1.css — Détail projet
   Harmonisé avec la DA violet futuriste (mêmes couleurs / boutons)
   ============================================================ */



/* --- HEADER (identique à index.html) --- */
.container {
  width: min(1200px, 90%);
  margin: 0 auto;
}

/* --- HEADER --- */
.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(14, 11, 22, 0.7);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--violet-light);
  text-decoration: none;
}

.nav ul {
  display: flex;
  list-style: none;
  gap: 4rem;
}

.nav a {
  color: var(--white);
  text-decoration: none;
  position: relative;
  transition: var(--transition);
}

/*.nav a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--violet);
  transition: var(--transition);
}
  
C'est les bar en dessous des href de la barre nav*/

.nav a:hover::after,
.nav a.active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lang-switch {
  display: flex;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  overflow: hidden;
}

.lang-btn {
  background: transparent;
  color: var(--gray);
  border: none;
  padding: 0.4rem 0.8rem;
  cursor: pointer;
  transition: var(--transition);
}

.lang-btn.active,
.lang-btn:hover {
  background: var(--violet-dark);
  color: var(--white);
}

.nav-toggle {
  display: none;
  font-size: 1.5rem;
  color: var(--white);
  background: none;
  border: none;
}

   
:root{
  --violet: #8b5cf6;
  --violet-light: #a78bfa;
  --violet-dark: #5b21b6;
  --bg-dark: #0e0b16;
  --bg-card: #161327;
  --bg-hover: #1f1a33;
  --white: #f3f3f8;
  --gray: #9ca3af;
  --radius: 16px;
  --shadow: 0 0 30px rgba(139,92,246,0.12);
  --transition: all 0.3s ease;
}

/* reset / base */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,body{
  height:100%;
  margin:0;
  font-family: 'Poppins', 'Inter', system-ui, sans-serif;
  background: linear-gradient(180deg, rgba(14,11,22,1) 0%, rgba(12,10,18,1) 100%);
  color: var(--white);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}



/* header (simple, cohérent avec index) */
.site-header{
  position: sticky;
  top: 0;
  background: rgba(14,11,22,0.6);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.03);
  z-index: 50;
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 1rem 0;
}
.logo{
  color: var(--violet-light);
  font-weight:700;
  text-decoration:none;
}

/* projet layout */
.project-layout{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

/* image */
.project-image img{
  width:100%;
  height:100%;
  max-height: 620px;
  object-fit: cover;
  border-radius: calc(var(--radius) - 4px);
  border: 3px solid rgba(91,33,182,0.18);
  box-shadow: 0 10px 40px rgba(11,8,20,0.6), var(--shadow);
  display:block;
}

/* content */
.project-content{
  background: linear-gradient(180deg, rgba(22,19,30,0.6), rgba(16,13,24,0.6));
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255,255,255,0.03);
}

.project-title{
  margin: 0 0 0.6rem;
  font-size: 1.9rem;
  color: var(--violet-light);
}

.project-intro{
  color: var(--gray);
  margin-bottom: 1rem;
  line-height:1.6;
}

.project-tools{
  margin: 0.5rem 0 1.25rem;
  padding-left: 1.1rem;
  color: var(--gray);
}
.project-tools li{
  margin-bottom: 0.25rem;
}

/* boutons (mêmes classes que index) */
.btn {
  display: inline-block;
  text-decoration: none;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.btn.primary {
  background: var(--violet);
  color: var(--white);
  box-shadow: var(--shadow);
}

.btn.primary:hover {
  background: var(--violet-light);
  /*transform: translateY(-3px);*/
}

.btn.ghost {
  border: 1px solid var(--violet);
  color: var(--violet);
}

.btn.ghost:hover {
  background: var(--violet);
  color: var(--white);
}

.btn.outline {
  border: 1px solid var(--gray);
  color: var(--gray);
}

.btn.outline:hover {
  border-color: var(--violet);
  color: var(--violet);
}

.btn.small {
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
}
/* project-links alignment */
.project-links{
  display:flex;
  gap:0.75rem;
  margin-top: 1.25rem;
}

/* responsive */
@media (max-width: 900px){
  .project-layout{
    grid-template-columns: 1fr;
  }
  .project-image img{
    max-height: 420px;
    margin-bottom: 1rem;
  }
  .container{ padding: 2rem 0; }
}

/* petites touches d'accessibilité , survol des bouton*/


a:hover,
a:focus {
  color: var(--white);
  background: var(--violet);
  box-shadow: var(--shadow);
  border-bottom: 1px solid var(--violet);
  outline: none;
  text-decoration: none;
}

a {
  color: var(--violet-light);
  text-decoration: none;
  transition: color 0.3s, background 0.3s, box-shadow 0.3s;
  border-bottom: 1px solid transparent;
  border-radius: var(--radius);
  padding: 0.15em 0.4em;
}