/* --------------------------------------------
  DESIGN Welcome AVICENNE – Premium Unified CSS
-------------------------------------------- */

/* Variables globales */
:root {
  --brand-1: #6aa6ff;
  --brand-2: #9b8cff;
  --text-primary: #ffffff;
  --text-muted: rgba(255,255,255,0.65);
  --card-bg: rgba(255,255,255,0.06);
  --card-border: rgba(255,255,255,0.12);
  --shadow-soft: 0 10px 30px rgba(0,0,0,.25);

  --gradient-bg: 
    radial-gradient(1200px 600px at 10% 10%, rgba(28,126,214,.18) 0%, transparent 60%),
    radial-gradient(1000px 500px at 90% 20%, rgba(120,76,255,.14) 0%, transparent 60%),
    linear-gradient(180deg, #0e1117 0%, #0b0f14 100%);
}

.dot {
  animation: pulseGlow 2s infinite alternate;
}

@keyframes pulseGlow {
  from { box-shadow: 0 0 6px rgba(106,166,255,.4); }
  to   { box-shadow: 0 0 18px rgba(106,166,255,.9); }
}

/* SECTION PREMIUM */
.section-premium {
  background: var(--gradient-bg);
  padding: clamp(1rem, 2vw, 3.5rem) 0;
  position: relative;
  overflow: hidden;
}

.section-premium::before,
.section-premium::after {
  content: "";
  position: absolute;
  inset: -10%;
  background: radial-gradient(500px at 80% 10%, rgba(106,166,255,.10), transparent 70%);
  z-index: 0;
}

.section-premium::after {
  background: radial-gradient(600px at 10% 90%, rgba(120,76,255,.10), transparent 70%);
}

/* GRID PREMIUM — Structure stable */
.premium-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
  align-items: center;
}

@media (min-width: 992px) {
  .premium-grid {
    grid-template-columns: 1.2fr 1fr;
  }
}

@media (max-width: 768px) {
  .heading-premium .title {
    font-size: 1.8rem;
  }

  .heading-premium .subtitle {
    font-size: 1.1rem;
  }
}

/* CARD GLASS */
.card-glass {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.card-glass:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 20px 60px rgba(0,0,0,.35);
  border-color: rgba(255,255,255,0.25);
}

/* TITRES PREMIUM */
.heading-premium .kicker {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .9rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.heading-premium .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand-1), var(--brand-2));
  box-shadow: 0 0 14px rgba(106,166,255,.6);
}

.heading-premium .title {
  margin: .4rem 0 .5rem;
  color: var(--text-primary);
  font-weight: 800;
}

.heading-premium .subtitle {
  font-weight: 700;
  background: linear-gradient(135deg, var(--brand-1), var(--brand-2));
  -webkit-background-clip: text;
  color: transparent;
}

/* TEXTES */
.text-premium {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* MEDIA PREMIUM */
.premium-media {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-soft);
  background: rgba(255,255,255,.05);
}

.premium-media img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  aspect-ratio: 16/9;
}

.premium-media img {
  transition: transform 0.8s ease;
}

.premium-media:hover img {
  transform: scale(1.08);
}

/* CTA */
.btn-brand {
  background: linear-gradient(135deg, var(--brand-1), var(--brand-2));
  border: none;
  color: #0b0f14;
  border-radius: 999px;
  padding: .85rem 1.4rem;
  font-weight: 600;
  transition: all 0.25s ease;
}
.btn-brand:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 10px 25px rgba(106,166,255,.4);
}

.btn-ghost {
  border: 1px solid var(--card-border);
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
  border-radius: 999px;
  padding: .85rem 1.4rem;
}
.btn-ghost:hover {
  box-shadow: 0 10px 25px rgba(233, 235, 238, 0.781);  
  transform: translateY(-2px) scale(1.03);
  background: linear-gradient(135deg, var(--brand-1), var(--brand-2));
  transition: .2s;
}  

/* BADGES */
.meta-badge {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.chip {
  background: rgba(255,255,255,.06);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  padding: .35rem .7rem;
  color: var(--text-primary);
  font-size: .85rem;
}

/* ANIMATION REVEAL */
.reveal {
  opacity: 0;
  transform: scale(0.96) translateY(20px);
  transition: all 0.7s cubic-bezier(.2,.65,.3,1);
}
.reveal.in {
  opacity: 1;
  transform: scale(1) translateY(0);
}