/* ── Base & Reset ───────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Navbar ──────────────────────────────────────── */
#navbar {
  background: transparent;
  transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

#navbar.scrolled {
  background: rgba(253, 252, 250, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 20px rgba(123, 45, 59, 0.08);
}

.nav-link { position: relative; }
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: #7B2D3B;
  transition: all 0.3s ease;
  transform: translateX(-50%);
}
.nav-link:hover::after { width: 60%; }

/* ── Mobile menu ─────────────────────────────────── */
#mobile-menu {
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.mobile-link { transition: background 0.2s ease; }

/* ── Hero floating cards ─────────────────────────── */
@keyframes float-slow {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-14px); }
}
@keyframes float-medium {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-10px); }
}
@keyframes float-fast {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-18px); }
}

.float-card-1 { animation: float-slow 5s ease-in-out infinite; }
.float-card-2 { animation: float-medium 4s ease-in-out infinite 0.5s; }
.float-card-3 { animation: float-fast 3.5s ease-in-out infinite 1s; }

/* ── Scroll indicator ────────────────────────────── */
@keyframes scroll-line {
  0%   { top: -100%; opacity: 0; }
  50%  { opacity: 1; }
  100% { top: 200%; opacity: 0; }
}
.animate-scroll-line {
  animation: scroll-line 1.8s ease-in-out infinite;
}

/* ── Scroll reveal ───────────────────────────────── */
.scroll-reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

/* Progressive enhancement: JS adds animated class */
@media (prefers-reduced-motion: no-preference) {
  .scroll-reveal[data-reveal] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .scroll-reveal[data-reveal].revealed {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Button hover lift ───────────────────────────── */
a:hover { transition: all 0.2s ease; }

/* ── Smooth focus outlines ───────────────────────── */
input:focus, textarea:focus, button:focus {
  outline: none;
}

/* ── Selection color ─────────────────────────────── */
::selection {
  background: #F4B4BF;
  color: #4F1D26;
}

/* ── Scrollbar ───────────────────────────────────── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #FDF0F2; }
::-webkit-scrollbar-thumb { background: #E88A9A; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #B83A5A; }

/* ── Print ───────────────────────────────────────── */
@media print {
  #navbar, #mobile-menu, .scroll-indicator { display: none; }
  body { color: #000; background: #fff; }
}