/* Custom styles for Piedmont Traction C10s */

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f5f3ed;
}
::-webkit-scrollbar-thumb {
    background: #047857;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #065f46;
}

/* Selection color */
::selection {
    background-color: #047857;
    color: #fff;
}

/* Fade-in animations (progressive enhancement - only apply when JS is available) */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered children */
.fade-in-stagger > * {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}
.fade-in-stagger.visible > *:nth-child(1) { transition-delay: 0s; }
.fade-in-stagger.visible > *:nth-child(2) { transition-delay: 0.1s; }
.fade-in-stagger.visible > *:nth-child(3) { transition-delay: 0.2s; }
.fade-in-stagger.visible > *:nth-child(4) { transition-delay: 0.3s; }
.fade-in-stagger.visible > *:nth-child(5) { transition-delay: 0.4s; }
.fade-in-stagger.visible > *:nth-child(6) { transition-delay: 0.5s; }
.fade-in-stagger.visible > * {
    opacity: 1;
    transform: translateY(0);
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    .fade-in,
    .fade-in-stagger > * {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* Navbar scroll state */
.navbar-scrolled {
    box-shadow: 0 1px 3px rgba(4, 120, 87, 0.1);
}

/* Hero card float animation */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}
.float-1 { animation: float 4s ease-in-out infinite; }
.float-2 { animation: float 5s ease-in-out infinite 0.5s; }
.float-3 { animation: float 4.5s ease-in-out infinite 1s; }

/* Button hover effects */
a:hover {
    transition: all 0.2s ease;
}