/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; }
body { overflow-x: hidden; }

/* ===== NAV ===== */
#nav { transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease; }
#nav.scrolled { background: rgba(255,255,255,0.92); backdrop-filter: blur(16px); box-shadow: 0 1px 0 rgba(0,0,0,0.06), 0 4px 20px rgba(0,0,0,0.06); }
.nav-link { position: relative; }

/* ===== MOBILE MENU ===== */
#mobile-menu { animation: slideDown 0.3s ease; }
@keyframes slideDown { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }

/* ===== HERO ===== */
.animate-blob { animation: blob 7s infinite ease-in-out; }
.animation-delay-2000 { animation-delay: 2s; }
.animation-delay-4000 { animation-delay: 4s; }
@keyframes blob {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -50px) scale(1.1); }
  66% { transform: translate(-20px, 20px) scale(0.9); }
}

/* ===== SCROLL INDICATOR ===== */
.animate-scroll-line { animation: scrollLine 2s ease-in-out infinite; }
@keyframes scrollLine {
  0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

/* ===== REVEAL ANIMATIONS ===== */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.8s cubic-bezier(0.16,1,0.3,1), transform 0.8s cubic-bezier(0.16,1,0.3,1); }
.reveal.revealed { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ===== ROOM CARDS ===== */
.group:hover .group-hover\:scale-110 { transition-timing-function: cubic-bezier(0.34,1.56,0.64,1); }

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: #94a3b8; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #64748b; }

/* ===== FOCUS VISIBLE ===== */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 2px solid #0d9488; outline-offset: 2px; border-radius: 0.5rem; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .font-display { font-size: clamp(1.75rem, 8vw, 2.5rem); }
}