/* ── Base ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { overflow-x: hidden; }

/* ── Header scroll state ── */
#site-header {
  background: transparent;
  transition: background 0.35s, box-shadow 0.35s, backdrop-filter 0.35s;
}
#site-header.scrolled {
  background: rgba(250, 245, 252, 0.85);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(123, 45, 142, 0.08);
}

/* ── Nav links ── */
.nav-link {
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #7B2D8E, #d97706);
  border-radius: 2px;
  transition: width 0.3s;
}
.nav-link:hover::after { width: 100%; }

/* ── Mobile menu ── */
#mobile-menu.open {
  opacity: 1;
  pointer-events: auto;
}
#mobile-menu.closed {
  opacity: 0;
  pointer-events: none;
}

/* ── Floating card animations ── */
@keyframes float1 {
  0%, 100% { transform: translateY(0px) rotate(-2deg); }
  50% { transform: translateY(-14px) rotate(-1deg); }
}
@keyframes float2 {
  0%, 100% { transform: translateY(0px) rotate(1deg); }
  50% { transform: translateY(-10px) rotate(2deg); }
}
@keyframes float3 {
  0%, 100% { transform: translateY(0px) rotate(2deg); }
  50% { transform: translateY(-12px) rotate(0deg); }
}
.card-float-1 { animation: float1 5s ease-in-out infinite; }
.card-float-2 { animation: float2 4.5s ease-in-out infinite 0.5s; }
.card-float-3 { animation: float3 5.5s ease-in-out infinite 1s; }

/* ── Service cards ── */
.card-service {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.card-service.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Fade-in animations ── */
[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #faf5fc; }
::-webkit-scrollbar-thumb { background: #d4a2e0; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #b86fcf; }

/* ── Selection ── */
::selection { background: rgba(123, 45, 142, 0.15); color: #4f1d5b; }

/* ── Form select arrow ── */
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237B2D8E' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* ── Responsive adjustments ── */
@media (max-width: 640px) {
  .card-float-1, .card-float-2, .card-float-3 { display: none; }
  #hero { min-height: auto; padding-top: 100px; padding-bottom: 60px; }
}

@media (min-width: 641px) and (max-width: 1023px) {
  .card-float-1 { display: none; }
  .card-float-2 { display: none; }
  .card-float-3 { display: none; }
}