/* ============================================
   NEPTURE DIGITALS — Design system
   Fond spatial sombre, dégradés cyan → violet
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Couleurs */
  --void: #06070d;
  --panel: #10132157;
  --panel-solid: #10101f;
  --panel-border: rgba(139, 122, 255, 0.16);
  --cyan: #49e0ff;
  --violet: #8b5cf6;
  --violet-deep: #5b3df5;
  --ink: #eef1ff;
  --ink-muted: #8991b3;
  --ink-faint: #565d7d;
  --danger: #ff6b6b;
  --success: #4ade80;

  /* Typo */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Rythme */
  --radius: 14px;
  --radius-sm: 8px;
  --container: 1160px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  background: var(--void);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Fond étoilé subtil, fixe */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(139, 92, 246, 0.18), transparent 60%),
    radial-gradient(ellipse 60% 40% at 90% 10%, rgba(73, 224, 255, 0.10), transparent 60%),
    var(--void);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

p { margin: 0 0 1em; color: var(--ink-muted); }

a {
  color: var(--cyan);
  text-decoration: none;
}

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Ruban signature (motif du logo) ---------- */
.ribbon-divider {
  width: 100%;
  height: 64px;
  display: block;
  margin: 0 auto;
  opacity: 0.9;
}
.ribbon-divider path {
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
}

.ribbon-glow-anim {
  animation: ribbonDrift 8s ease-in-out infinite;
}
@keyframes ribbonDrift {
  0%, 100% { transform: translateY(0px); opacity: 0.85; }
  50% { transform: translateY(-4px); opacity: 1; }
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(6, 7, 13, 0.72);
  border-bottom: 1px solid var(--panel-border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink);
}
.nav-brand img { height: 32px; width: 32px; }
.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--ink-muted);
  font-size: 0.94rem;
  font-weight: 500;
  transition: color 0.2s ease;
  margin-left: 28px;
}
.nav-links a:first-child { margin-left: 0; }
.nav-links a:hover, .nav-links a.active { color: var(--ink); }

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

@media (max-width: 720px) {
  .nav-links {
    position: fixed;
    top: 64px; left: 0; right: 0;
    flex-direction: column;
    background: var(--panel-solid);
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--panel-border);
    transform: translateY(-120%);
    transition: transform 0.25s ease;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-toggle { display: block; }
}

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--cyan), var(--violet-deep));
  color: #05060b;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px -8px rgba(139, 92, 246, 0.55); }
.btn-ghost {
  background: transparent;
  border-color: var(--panel-border);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--violet); color: var(--ink); }
.btn-disabled {
  background: var(--panel-solid);
  color: var(--ink-faint);
  cursor: not-allowed;
  border-color: var(--panel-border);
}
.btn-sm { padding: 8px 16px; font-size: 0.85rem; }
.btn-danger { background: rgba(255,107,107,0.12); color: var(--danger); border-color: rgba(255,107,107,0.3); }

/* ---------- Hero ---------- */
.hero {
  padding: 120px 0 80px;
  text-align: center;
  position: relative;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 20px;
  display: inline-block;
}
.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  max-width: 780px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--ink) 40%, var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-sub {
  max-width: 560px;
  margin: 0 auto 36px;
  font-size: 1.08rem;
}
.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Sections ---------- */
.section {
  padding: 72px 0;
}
.section-head {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 48px;
}
.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--violet);
}

/* ---------- Cartes collections (accueil) ---------- */
.collections-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.collection-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.collection-card:hover {
  border-color: var(--violet);
  transform: translateY(-3px);
}
.collection-card .count {
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: 0.85rem;
}
.collection-card h3 { margin: 8px 0 6px; font-size: 1.2rem; }

/* ---------- Étapes (comment ça marche) ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 32px;
}
.step .step-num {
  font-family: var(--font-mono);
  color: var(--violet);
  font-size: 0.85rem;
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
.step h3 { font-size: 1.05rem; margin-bottom: 6px; }
.step p { font-size: 0.92rem; }

/* ---------- Filtres catalogue ---------- */
.filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 44px;
}
.filter-chip {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--panel-border);
  background: transparent;
  color: var(--ink-muted);
  cursor: pointer;
  transition: all 0.15s ease;
}
.filter-chip:hover { color: var(--ink); }
.filter-chip.active {
  background: var(--panel-solid);
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- Grille produits ---------- */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 22px;
}
.product-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.product-card::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  opacity: 0;
  transition: opacity 0.25s ease;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}
.product-card:hover::before { opacity: 1; }
.product-card:hover { transform: translateY(-3px); }

.product-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--violet);
  align-self: flex-start;
  border: 1px solid var(--panel-border);
  padding: 3px 10px;
  border-radius: 999px;
}
.product-card h3 { font-size: 1.1rem; margin: 4px 0 0; }
.product-format { font-size: 0.82rem; color: var(--ink-faint); font-family: var(--font-mono); }
.product-desc { font-size: 0.9rem; flex: 1; }
.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
  padding-top: 14px;
  border-top: 1px solid var(--panel-border);
}
.product-price {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--ink);
}
.product-price.tbd { color: var(--ink-faint); font-size: 0.85rem; }

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

/* ---------- Formulaires ---------- */
.form-field { margin-bottom: 18px; text-align: left; }
.form-field label {
  display: block;
  font-size: 0.85rem;
  color: var(--ink-muted);
  margin-bottom: 6px;
}
.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: 12px 14px;
  background: var(--panel-solid);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-sm);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 0.95rem;
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--cyan);
}
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.card-panel {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 32px;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--panel-border);
  padding: 40px 0;
  margin-top: 60px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-brand { display: flex; align-items: center; gap: 8px; font-family: var(--font-display); }
.footer-brand img { height: 22px; width: 22px; }
.footer-links { display: flex; gap: 20px; list-style: none; padding: 0; margin: 0; }
.footer-links a { color: var(--ink-faint); font-size: 0.85rem; margin-left: 20px; }
.footer-links li:first-child a { margin-left: 0; }
.footer-note { font-size: 0.8rem; color: var(--ink-faint); text-align: center; margin-top: 24px; }

/* ---------- Utilitaires ---------- */
.text-center { text-align: center; }
.mt-lg { margin-top: 48px; }
.badge-soon {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-faint);
  border: 1px dashed var(--panel-border);
  padding: 2px 8px;
  border-radius: 999px;
}

/* ---------- Table admin ---------- */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.admin-table th, .admin-table td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--panel-border);
}
.admin-table th {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
}
.admin-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 14px;
}
.toast {
  position: fixed;
  bottom: 24px; right: 24px;
  background: var(--panel-solid);
  border: 1px solid var(--panel-border);
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  z-index: 100;
  animation: toastIn 0.2s ease;
}
@keyframes toastIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.toast.error { border-color: var(--danger); color: var(--danger); }
.toast.success { border-color: var(--success); color: var(--success); }