/* ESPRIT DU THÉ — Style V1.0 */
/* Charte : jade #5a9e6f · fond sombre · typo élégante */

:root {
  --jade: #5a9e6f;
  --jade-l: #7ec49a;
  --jade-d: #3d7a52;
  --bg: #0a0f0c;
  --bg-card: #111a14;
  --bg-card2: #162019;
  --text: #e8f0ea;
  --text-s: #a0b8a8;
  --border: rgba(90,158,111,0.2);
  --hh: 60px;
  --radius: 8px;
  --font: 'Georgia', serif;
  --font-ui: 'Helvetica Neue', Arial, sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  min-height: 100vh;
  line-height: 1.6;
}

/* HEADER */
header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--hh);
  background: rgba(10,15,12,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  z-index: 100;
}

.logo {
  font-family: var(--font);
  font-size: 1.1rem;
  color: var(--jade-l);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.logo span { color: var(--text-s); font-size: 0.7rem; display: block; letter-spacing: 0.3em; }

nav a {
  color: var(--text-s);
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-left: 24px;
  transition: color 0.2s;
}
nav a:hover { color: var(--jade-l); }

/* MAIN */
main { padding-top: var(--hh); }

/* HERO */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  padding: 60px 24px;
  position: relative;
  overflow: hidden;
}

.hero canvas {
  position: absolute;
  inset: 0;
  opacity: 0.4;
}

.hero-content { position: relative; z-index: 1; max-width: 700px; }

.hero h1 {
  font-family: var(--font);
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--jade-l);
  letter-spacing: 0.08em;
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero p {
  color: var(--text-s);
  font-size: 1rem;
  letter-spacing: 0.05em;
  margin-bottom: 40px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.btn-jade {
  display: inline-block;
  padding: 14px 40px;
  background: var(--jade);
  color: var(--bg);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: background 0.2s, transform 0.1s;
}
.btn-jade:hover { background: var(--jade-l); transform: translateY(-1px); }

/* CATALOGUE */
.section { padding: 80px 32px; max-width: 1200px; margin: 0 auto; }
.section-title {
  font-family: var(--font);
  font-size: 1.6rem;
  color: var(--jade-l);
  letter-spacing: 0.1em;
  margin-bottom: 40px;
  text-align: center;
}

.filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 8px 20px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-s);
  border-radius: 20px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: all 0.2s;
}
.filter-btn:hover, .filter-btn.active {
  background: var(--jade);
  border-color: var(--jade);
  color: var(--bg);
}

.grid-produits {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.card-produit {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s;
}
.card-produit:hover {
  border-color: var(--jade);
  transform: translateY(-2px);
}

.card-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  background: var(--bg-card2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-s);
  font-size: 2rem;
}

.card-body { padding: 16px; }
.card-nom {
  font-family: var(--font);
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 4px;
}
.card-sku { font-size: 0.7rem; color: var(--text-s); letter-spacing: 0.1em; margin-bottom: 8px; }
.card-prix {
  font-size: 1.1rem;
  color: var(--jade-l);
  font-weight: 600;
}
.card-prix span { font-size: 0.75rem; color: var(--text-s); font-weight: normal; }

/* POPUP PRODUIT */
.popup-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.popup-overlay.open { display: flex; }
.popup {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-width: 700px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}
.popup-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.popup-close {
  background: none;
  border: none;
  color: var(--text-s);
  font-size: 1.4rem;
  cursor: pointer;
  padding: 4px 8px;
}
.popup-body { padding: 24px; }

/* PANIER */
.panier-btn {
  position: fixed;
  bottom: 24px; right: 24px;
  background: var(--jade);
  color: var(--bg);
  border: none;
  border-radius: 50px;
  padding: 14px 24px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  z-index: 150;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 20px rgba(90,158,111,0.4);
  transition: background 0.2s;
}
.panier-btn:hover { background: var(--jade-l); }
.panier-count {
  background: var(--bg);
  color: var(--jade-l);
  border-radius: 50%;
  width: 22px; height: 22px;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

/* FOOTER */
footer {
  border-top: 1px solid var(--border);
  padding: 32px;
  text-align: center;
  color: var(--text-s);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  header { padding: 0 16px; }
  nav { display: none; }
  .section { padding: 60px 16px; }
  .hero { padding: 40px 16px; min-height: 80vh; }
}