/* ===== Base & Typography ===== */
html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #FAF6F1;
}
::-webkit-scrollbar-thumb {
    background: #7B2D3B;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #5c1e28;
}

/* ===== Selection ===== */
::selection {
    background: #7B2D3B;
    color: #FAF6F1;
}

/* ===== Navigation ===== */
.nav-link {
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: #7B2D3B;
    transition: width 0.3s ease;
}
.nav-link:hover::after,
.nav-link:focus::after {
    width: 100%;
}

#site-header.scrolled #nav-bg {
    background: rgba(250, 246, 241, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(26, 20, 18, 0.06);
}

/* ===== Mobile Menu ===== */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}
#mobile-menu.open .mobile-link {
    animation: fadeUp 0.4s ease forwards;
}
#mobile-menu.open .mobile-link:nth-child(1) { animation-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { animation-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { animation-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { animation-delay: 0.2s; }

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#menu-toggle[aria-expanded="true"] #bar1 {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}
#menu-toggle[aria-expanded="true"] #bar2 {
    opacity: 0;
    width: 0;
}
#menu-toggle[aria-expanded="true"] #bar3 {
    bottom: 50%;
    transform: translateY(50%) rotate(-45deg);
}

/* ===== Scroll Reveal ===== */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(32px);
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Staggered delays ===== */
.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; }

/* ===== Image loading ===== */
img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* ===== Focus styles ===== */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #7B2D3B;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ===== Decorative patterns ===== */
.section-divider {
    background: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 8px,
        rgba(123, 45, 59, 0.06) 8px,
        rgba(123, 45, 59, 0.06) 16px
    );
    height: 1px;
}

/* ===== Amenity card hover glow ===== */
.group:hover .amenity-icon {
    transform: scale(1.1);
    transition: transform 0.4s ease;
}
.amenity-icon {
    transition: transform 0.4s ease;
}

/* ===== Smooth image transitions ===== */
.group img {
    will-change: transform;
}

/* ===== Mobile responsiveness ===== */
@media (max-width: 768px) {
    .font-serif {
        line-height: 1.1;
    }
}

/* ===== 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;
    }
}