/* 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;
}

::selection {
    background: rgba(255, 107, 74, 0.3);
    color: #fff;
}

/* Scroll reveal base — content always visible, animation applied via JS */
.reveal-up {
    opacity: 1;
    transform: none;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Stat cards float animation */
@media (prefers-reduced-motion: no-preference) {
    .stat-card {
        animation: float 6s ease-in-out infinite;
    }
    .stat-card:nth-child(2) {
        animation-delay: -1.5s;
    }
    .stat-card:nth-child(3) {
        animation-delay: -3s;
    }
    .stat-card:nth-child(4) {
        animation-delay: -4.5s;
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* Navbar scroll state */
.nav-scrolled {
    background: rgba(13, 13, 13, 0.95) !important;
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

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

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0D0D0D;
}
::-webkit-scrollbar-thumb {
    background: #3D3D3D;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #FF6B4A;
}

/* Focus styles */
a:focus-visible, button:focus-visible {
    outline: 2px solid #FF6B4A;
    outline-offset: 2px;
    border-radius: 4px;
}

/* Image aspect ratios */
img {
    max-width: 100%;
    height: auto;
}

/* Subtle gradient text utility */
.text-gradient-coral {
    background: linear-gradient(135deg, #FF6B4A, #FFA88E);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}