/* ─── BASE ─── */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
}

::selection {
  background: #1B4332;
  color: #F5F3E8;
}

/* ─── NAVBAR SCROLL STATE ─── */
#site-header {
  background: transparent;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

#site-header.scrolled {
  background: rgba(253, 252, 248, 0.97);
  box-shadow: 0 1px 20px rgba(27, 67, 50, 0.08);
  backdrop-filter: blur(10px);
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: #1B4332;
  transition: width 0.25s ease;
}

.nav-link:hover::after {
  width: 100%;
}

/* ─── ROOM CARDS ─── */
.room-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* ─── SCROLL REVEAL ─── */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

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

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ─── FORM FOCUS ─── */
input:focus, textarea:focus {
  outline: none;
}

/* ─── MOBILE NAV LINKS ─── */
.mobile-nav-link {
  display: block;
  padding: 8px 0;
  border-bottom: 1px solid rgba(27, 67, 50, 0.1);
}

.mobile-nav-link:last-child {
  border-bottom: none;
}

/* ─── MOBILE MENU ANIMATION ─── */
#mobile-menu {
  animation: slideDown 0.3s ease forwards;
}

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

#mobile-menu.hidden {
  display: none;
}

/* ─── IMAGE LOADING ─── */
img {
  background-color: #d5e0d5;
}