/* ===== RESET & BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

/* ===== SCROLLBAR (design moderne) ===== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #020617;
}

::-webkit-scrollbar-thumb {
  background: #06b6d4;
  border-radius: 10px;
}

/* ===== ANIMATIONS ===== */

/* Fade in */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeIn 1s ease forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Reveal au scroll */
.reveal {
  opacity: 0;
  transform: translateY(60px);
  transition: all 1s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Animation zoom légère */
.zoom-in {
  transform: scale(0.95);
  opacity: 0;
  animation: zoomIn 0.8s ease forwards;
}

@keyframes zoomIn {
  to {
    transform: scale(1);
    opacity: 1;
  }
}

/* ===== HOVER EFFECTS ===== */

/* Cartes */
.card-hover {
  transition: all 0.4s ease;
}

.card-hover:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 255, 255, 0.1);
}

/* Boutons */
button,
a {
  transition: all 0.3s ease;
}

/* Glow cyan */
.glow:hover {
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.4);
}

/* ===== IMAGE HERO EFFECT ===== */
img {
  transition: all 0.4s ease;
}

img:hover {
  transform: scale(1.03);
}

/* ===== NAVIGATION ===== */
nav a {
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -5px;
  width: 0%;
  height: 2px;
  background: #06b6d4;
  transition: width 0.3s;
}

nav a:hover::after {
  width: 100%;
}

/* ===== MOBILE MENU ===== */
#mobile-menu {
  animation: slideDown 0.4s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== SECTION SPACING FIX ===== */
section {
  scroll-margin-top: 100px;
}

/* ===== TEXT GRADIENT (optionnel stylé) ===== */
.text-gradient {
  background: linear-gradient(90deg, #06b6d4, #22c55e);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ===== SHADOW PREMIUM ===== */
.shadow-soft {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

/* ===== RESPONSIVE FIX ===== */
@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem !important;
  }

  h2 {
    font-size: 1.8rem !important;
  }
}