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

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

body {
    overflow-x: hidden;
}

/* Navigation */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: currentColor;
    transition: width 0.3s ease;
}

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

#nav.scrolled {
    background: rgba(244, 252, 250, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(16, 42, 67, 0.06);
}

#nav.scrolled .nav-link {
    color: #243b53;
}

#nav.scrolled .nav-link::after {
    background: #00a365;
}

#nav.scrolled .text-midnight-900 {
    color: #102a43;
}

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

.mobile-link {
    position: relative;
    transition: color 0.3s ease;
}

.mobile-link:hover {
    color: #00a365;
}

/* Hero animations */
.hero-subtitle {
    opacity: 0;
    transform: translateY(16px);
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.2s;
}

.hero-title {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.4s;
}

.hero-desc {
    opacity: 0;
    transform: translateY(16px);
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.6s;
}

.hero-ctas {
    opacity: 0;
    transform: translateY(16px);
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.8s;
}

.hero-scroll {
    opacity: 0;
    animation: fadeUp 0.8s ease forwards, float 2.5s ease-in-out infinite;
    animation-delay: 1.2s, 2s;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(6px); }
}

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

.reveal[data-revealed="false"] {
    opacity: 0;
    transform: translateY(24px);
}

/* Room cards */
.room-card {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.room-card[data-revealed="false"] {
    opacity: 0;
    transform: translateY(24px);
}

/* Form */
input:focus, textarea:focus {
    border-color: #33d499 !important;
    box-shadow: 0 0 0 3px rgba(51, 212, 153, 0.1);
}

/* Selection */
::selection {
    background: #33d499;
    color: #0a1628;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
    .reveal[data-revealed="false"] {
        opacity: 1;
        transform: none;
    }
    .room-card[data-revealed="false"] {
        opacity: 1;
        transform: none;
    }
    .hero-subtitle, .hero-title, .hero-desc, .hero-ctas, .hero-scroll {
        opacity: 1;
        transform: none;
    }
}

/* Focus visible */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 2px solid #33d499;
    outline-offset: 2px;
}