/* BoosterLab — Design System v1 */
html { scroll-behavior: smooth; }
html, body { overflow-x: hidden; max-width: 100vw; }
img { max-width: 100%; height: auto; }
footer img { width: auto; max-height: 5rem; }
body {
  background: #05060A;
  color: #E5E7F0;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  font-family: 'Inter', system-ui, sans-serif;
}
.grain::before {
  content: "";
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.35'/%3E%3C/svg%3E");
  opacity: 0.06; pointer-events: none; z-index: 1; mix-blend-mode: overlay;
}
.radial-glow {
  background: radial-gradient(600px circle at 50% 0%, rgba(61,190,255,0.18), transparent 50%),
              radial-gradient(800px circle at 80% 30%, rgba(20,0,100,0.35), transparent 60%),
              radial-gradient(500px circle at 10% 60%, rgba(56,67,208,0.25), transparent 60%);
}
.radial-glow-warm {
  background: radial-gradient(600px circle at 50% 0%, rgba(248,99,92,0.15), transparent 50%),
              radial-gradient(800px circle at 80% 30%, rgba(20,0,100,0.3), transparent 60%),
              radial-gradient(500px circle at 10% 60%, rgba(56,67,208,0.2), transparent 60%);
}
.text-gradient {
  background: linear-gradient(180deg, #FFFFFF 0%, #A8B0C4 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.text-cyan-gradient {
  background: linear-gradient(135deg, #3DBEFF 0%, #5B8CFF 50%, #A78BFA 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.text-coral-gradient {
  background: linear-gradient(135deg, #F8635C 0%, #FF8A84 50%, #A78BFA 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.btn-primary {
  background: linear-gradient(180deg, #3DBEFF 0%, #2B8EE0 100%);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.15) inset, 0 10px 30px -10px rgba(61,190,255,0.6), 0 0 60px -15px rgba(61,190,255,0.5);
  transition: all .25s ease;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 0 1px rgba(255,255,255,0.25) inset, 0 20px 40px -10px rgba(61,190,255,0.7), 0 0 80px -10px rgba(61,190,255,0.6); }
.btn-coral {
  background: linear-gradient(180deg, #F8635C 0%, #D94A43 100%);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.15) inset, 0 10px 30px -10px rgba(248,99,92,0.6), 0 0 60px -15px rgba(248,99,92,0.5);
  transition: all .25s ease;
}
.btn-coral:hover { transform: translateY(-2px); }
.btn-ghost {
  background: rgba(61,190,255,0.12);
  border: 1px solid rgba(61,190,255,0.45);
  color: #fff;
  backdrop-filter: blur(10px);
  transition: all .25s ease;
}
.btn-ghost:hover { background: rgba(61,190,255,0.2); border-color: rgba(61,190,255,0.7); }
.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.01) 100%);
  border: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(20px);
}
.card-hover { transition: all .3s ease; }
.card-hover:hover {
  border-color: rgba(61,190,255,0.3);
  background: linear-gradient(180deg, rgba(61,190,255,0.04) 0%, rgba(255,255,255,0.01) 100%);
  transform: translateY(-4px);
}
.card-hover-coral:hover {
  border-color: rgba(248,99,92,0.3);
  background: linear-gradient(180deg, rgba(248,99,92,0.04) 0%, rgba(255,255,255,0.01) 100%);
  transform: translateY(-4px);
}
.divider-line { background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent); height: 1px; }
.number-ring {
  background: radial-gradient(circle, rgba(61,190,255,0.2), transparent 70%);
  border: 1px solid rgba(61,190,255,0.4);
}
.pricing-featured {
  background: linear-gradient(180deg, rgba(61,190,255,0.08) 0%, rgba(20,0,100,0.1) 100%);
  border: 1px solid rgba(61,190,255,0.4);
  box-shadow: 0 0 80px -20px rgba(61,190,255,0.4);
}
details[open] summary .chev { transform: rotate(180deg); }
.chev { transition: transform .3s; }
/* Contenu toujours visible ; animation via JS optionnelle */
[data-reveal] { opacity: 1; transform: none; transition: all .8s cubic-bezier(.2,.8,.2,1); }
.logo-strip { mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.glow-dot::after {
  content: ''; position: absolute; inset: -4px; border-radius: 9999px;
  background: #3DBEFF; filter: blur(8px); opacity: .6; z-index: -1;
}
@keyframes glow { 0%,100% { opacity: 0.5; transform: scale(1); } 50% { opacity: 0.9; transform: scale(1.05); } }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes marquee { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
.animate-glow { animation: glow 4s ease-in-out infinite; }
.animate-float { animation: float 8s ease-in-out infinite; }
.animate-marquee { animation: marquee 40s linear infinite; }

/* MODAL / POPUP LEAD FORM */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(5,6,10,0.82);
  backdrop-filter: blur(12px);
  z-index: 100;
  display: none;
  align-items: center; justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity .3s ease;
}
.modal-overlay.open { display: flex; opacity: 1; }
.modal {
  background: linear-gradient(180deg, #111320 0%, #0A0B12 100%);
  border: 1px solid rgba(61,190,255,0.25);
  border-radius: 24px;
  max-width: 560px; width: 100%;
  max-height: 92vh; overflow-y: auto;
  padding: 2.5rem;
  position: relative;
  box-shadow: 0 50px 100px -20px rgba(0,0,0,0.8), 0 0 100px -20px rgba(61,190,255,0.3);
  transform: translateY(24px) scale(0.97);
  transition: transform .4s cubic-bezier(.2,.8,.2,1);
}
.modal-overlay.open .modal { transform: none; }
.modal select, .modal input, .modal textarea {
  color: #fff;
  background-color: rgba(255,255,255,0.04);
}
.modal select option {
  color: #fff;
  background-color: #0A0B12;
}
.modal select:focus option:checked,
.modal select option:hover {
  background: linear-gradient(90deg, #3843D0, #3DBEFF);
  color: #fff;
}
.modal-close {
  position: absolute; top: 1rem; right: 1rem;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 9999px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  transition: all .2s;
}
.modal-close:hover { background: rgba(255,255,255,0.1); color: #fff; }
.modal-input {
  width: 100%;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 0.95rem 1rem;
  color: #fff;
  font-size: 0.95rem;
  transition: all .2s;
  font-family: inherit;
}
.modal-input:focus {
  outline: none;
  border-color: rgba(61,190,255,0.5);
  background: rgba(61,190,255,0.05);
}
.modal-input::placeholder { color: rgba(255,255,255,0.35); }
.modal-step { display: none; }
.modal-step.active { display: block; animation: fadeUp .5s ease-out; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

/* Logo responsive — cap sur mobile pour éviter débordement */
@media (max-width: 767px) {
  nav img[alt="BoosterLab"] { max-height: 48px; height: auto; width: auto; }
  footer img[alt="BoosterLab"] { max-height: 64px; height: auto; width: auto; }
}