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

body {
    overflow-x: hidden;
}

/* Scroll Reveal Animations */
.reveal-up {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Hero entrance animations — above the fold, always visible */
#hero .reveal-up {
    opacity: 1;
    transform: translateY(0);
}

#hero .reveal-up:nth-child(1) {
    animation: fadeSlideUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.2s both;
}

#hero .reveal-up:nth-child(2) {
    animation: fadeSlideUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.4s both;
}

#hero .reveal-up:nth-child(3) {
    animation: fadeSlideUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.6s both;
}

#hero .reveal-up:nth-child(4) {
    animation: fadeSlideUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.8s both;
}

@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

    #hero .reveal-up {
        animation: none;
        opacity: 1;
        transform: none;
    }

    html {
        scroll-behavior: auto;
    }

    .group img {
        transition: none;
    }
}

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

::-webkit-scrollbar-track {
    background: #1a1a1a;
}

::-webkit-scrollbar-thumb {
    background: #3d3d3d;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #e8636b;
}

/* Selection color */
::selection {
    background: #e8636b;
    color: #ffffff;
}

/* Mobile menu transitions */
#mobile-menu {
    transition: opacity 0.5s ease, pointer-events 0.5s ease;
}

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

/* Navbar glass effect on scroll */
#navbar.scrolled {
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Image hover smoothness */
img {
    -webkit-font-smoothing: antialiased;
}