/* ── Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

/* ── Scroll Reveal ── */
.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
  }
  .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Navigation ── */
#nav {
  background: transparent;
  transition: background 0.4s ease, box-shadow 0.4s ease;
}

#nav.scrolled {
  background: rgba(250, 249, 247, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(0,0,0,0.06);
}

/* ── Mobile Menu ── */
#mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

#mobile-menu.closed {
  opacity: 0;
  pointer-events: none;
}

/* ── Hamburger ── */
#bar1 { transform-origin: center; }
#bar2 { transform-origin: center; }
#bar3 { transform-origin: center; }

body.menu-open #bar1 {
  transform: translateY(4px) rotate(45deg);
}
body.menu-open #bar2 {
  opacity: 0;
}
body.menu-open #bar3 {
  transform: translateY(-4px) rotate(-45deg);
}

/* ── Selection ── */
::selection {
  background: #d46232;
  color: #fefce8;
}

/* ── Smooth Scroll Offset ── */
section[id] {
  scroll-margin-top: 80px;
}

/* ── Map Grayscale ── */
iframe {
  filter: grayscale(0.3);
  transition: filter 0.7s ease;
}
iframe:hover {
  filter: grayscale(0);
}

/* ── Horizontal Rule ── */
div.h-px {
  background: linear-gradient(to right, transparent, rgba(200,180,160,0.3), transparent);
}