/* ══════════════════════════════════════
   RAIFLECTION — adn.css
══════════════════════════════════════ */

#adn { background: var(--dark2); padding: 40px 5%; }

.adn-wrapper {
  border-radius: 20px;
  padding: 40px;
  background: linear-gradient(
    135deg,
    #1a1b2e 0%,
    #22233a 15%,
    #2a2b42 25%,
    #1e1f35 40%,
    #252640 55%,
    #1c1d32 70%,
    #2e2f4a 85%,
    #1a1b2e 100%
  );
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.08),
    inset 0 -1px 0 rgba(0,0,0,0.4),
    inset 1px 0 0 rgba(255,255,255,0.04),
    0 20px 60px rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.06);
}

.adn-intro-top {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
  margin-bottom: 10px;
}

.adn-intro-left { display: flex; flex-direction: column; }

.adn-intro-subtext {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--grey);
  line-height: 1.7;
  width: 100%;
  margin-bottom: 28px;
  text-align: justify;
  hyphens: auto;
  word-spacing: -1px;
}

.adn-intro-subtext strong { color: var(--white); font-weight: 500; }

.adn-intro-svg-card {
  background: linear-gradient(135deg, rgba(0,212,255,0.05), rgba(33,52,94,0.15));
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
  min-height: 300px;
}

.adn-intro-svg-card:hover {
  border-color: rgba(0,212,255,0.5);
  box-shadow: 0 12px 30px rgba(0,212,255,0.1);
}

.adn-svg-layout {
  display: flex;
  flex-direction: row;
  gap: 24px;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding-bottom: 44px;
}

.adn-svg-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  flex: 1;
}

.adn-svg-item svg { width: 80px; height: 80px; }

.adn-svg-sublabel {
  font-size: 0.65rem;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--cyan);
  text-align: center;
}

.adn-intro-svg-label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: rgba(0,0,0,0.35);
  font-size: 0.68rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--cyan);
  text-align: center;
  padding: 8px 0;
  border-top: 1px solid rgba(0,212,255,0.15);
}

/* 4 Cards */
.adn-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
}

.adn-card {
  background: var(--dark3);
  padding: 44px 40px;
  position: relative;
  overflow: hidden;
  transition: all 0.4s;
}

.adn-card::before {
  content: '';
  position: absolute; top:0; left:0;
  width: 3px; height: 0;
  background: var(--cyan);
  transition: height 0.4s;
}

.adn-card:hover::before { height: 100%; }
.adn-card:hover { background: #1e1e2e; }

.adn-icon { width: 48px; height: 48px; margin-bottom: 24px; color: var(--cyan); }

.adn-card-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.5rem;
  letter-spacing: 2px;
  margin-bottom: 14px;
}

.adn-card-text { color: var(--grey); font-size: 0.92rem; line-height: 1.75; }

/* ── RESPONSIVE ADN ── */
@media (max-width: 900px) {
  .adn-intro-top { grid-template-columns: 1fr; }
  .adn-intro-svg-card { display: none; }
  .adn-grid { grid-template-columns: 1fr; }
  .adn-wrapper { padding: 24px; }
  .adn-intro-subtext { text-align: left; }
}
@media (max-width: 900px) {
  #adn { padding-left: 3%; padding-right: 3%; }
  .adn-wrapper { padding: 16px; }
  .adn-grid { grid-template-columns: 1fr; gap: 2px; }

  /* SVG à gauche du titre sur mobile */
  .adn-card {
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
  }

  .adn-card-header-mobile {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 12px;
  }

  .adn-icon {
    width: 36px; height: 36px;
    margin-bottom: 0;
    flex-shrink: 0;
  }
}