/* Base & Typography */
html {
    scroll-behavior: smooth;
}

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

/* Scroll Reveal */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal[data-reveal="delay-1"] { transition-delay: 0.1s; }
.reveal[data-reveal="delay-2"] { transition-delay: 0.2s; }
.reveal[data-reveal="delay-3"] { transition-delay: 0.3s; }

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    .reveal.visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Navbar */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

#navbar.scrolled {
    background: rgba(253, 243, 236, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(123, 45, 59, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #7B2D3B;
    transition: width 0.3s ease;
}

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

/* Mobile Menu */
#mobile-menu {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-link {
    position: relative;
    padding: 4px 0;
}

.mobile-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #7B2D3B;
    transition: width 0.3s ease;
}

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

/* Feature Cards */
.feature-card {
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
}

/* Smooth image loading */
img {
    loading: lazy;
}

/* Selection color */
::selection {
    background: #7B2D3B;
    color: #F5E6D3;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #FDF3EC;
}

::-webkit-scrollbar-thumb {
    background: #7B2D3B;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #9A3D4E;
}