/* Base & Reset */
*, *::before, *::after {
    box-sizing: border-box;
}

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

body {
    margin: 0;
    overflow-x: hidden;
}

img {
    display: block;
    max-width: 100%;
}

/* Selection Color */
::selection {
    background-color: rgba(255, 107, 53, 0.3);
    color: #f6f6f6;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0a0a0a;
}
::-webkit-scrollbar-thumb {
    background: #3a3a3a;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #ff6b35;
}

/* Reveal Animations */
.reveal-up {
    opacity: 0;
    transform: translateY(30px);
    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-left {
    opacity: 0;
    transform: translateX(-40px);
    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-right {
    opacity: 0;
    transform: translateX(40px);
    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.visible,
.reveal-left.visible,
.reveal-right.visible {
    opacity: 1;
    transform: translate(0, 0);
}

/* Stagger children */
.reveal-up:nth-child(1) { transition-delay: 0.05s; }
.reveal-up:nth-child(2) { transition-delay: 0.1s; }
.reveal-up:nth-child(3) { transition-delay: 0.15s; }
.reveal-up:nth-child(4) { transition-delay: 0.2s; }
.reveal-up:nth-child(5) { transition-delay: 0.25s; }
.reveal-up:nth-child(6) { transition-delay: 0.3s; }

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .reveal-up,
    .reveal-left,
    .reveal-right {
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    html {
        scroll-behavior: auto;
    }
    
    img {
        transition: none;
    }
}

/* Navbar Scrolled State */
.navbar-scrolled {
    background-color: rgba(10, 10, 10, 0.95) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.navbar-scrolled #navbar nav a {
    color: #e7e7e7;
}

/* Mobile Menu Active State */
.mobile-menu-open #mobile-menu {
    opacity: 1 !important;
    pointer-events: all !important;
}

.mobile-menu-open #bar1 {
    transform: translateY(6px) rotate(45deg);
}

.mobile-menu-open #bar2 {
    opacity: 0;
}

.mobile-menu-open #bar3 {
    transform: translateY(-6px) rotate(-45deg);
    width: 1.5rem;
}

/* Form Focus Styles */
input:focus,
textarea:focus {
    border-color: #ff6b35 !important;
    box-shadow: 0 0 0 1px rgba(255, 107, 53, 0.2);
}

/* Smooth Image Loading */
img {
    image-rendering: auto;
}

/* Utility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}