/* ============================================
   D&S Industrial Fasteners — Custom Styles
   ============================================ */

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

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #141414;
}
::-webkit-scrollbar-thumb {
    background: #3d3d3d;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #E8634B;
}

/* Floating animation for hero cards */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

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

.animate-float {
    animation: float 4s ease-in-out infinite;
}

.animate-float-delayed {
    animation: float-delayed 5s ease-in-out infinite;
    animation-delay: 1s;
}

/* Fade-in on scroll */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }
.fade-in-delay-5 { transition-delay: 0.5s; }
.fade-in-delay-6 { transition-delay: 0.6s; }

/* Navbar scroll state */
nav.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

nav.scrolled .font-serif {
    color: #ffffff !important;
}

/* Selection color */
::selection {
    background: rgba(232, 99, 75, 0.3);
    color: #ffffff;
}

/* Focus visible */
:focus-visible {
    outline: 2px solid #E8634B;
    outline-offset: 2px;
}

/* Mobile menu transition */
#mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, opacity 0.3s ease;
}

#mobile-menu.open {
    max-height: 400px;
    opacity: 1;
}

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

/* Print styles */
@media print {
    nav, #contact, button { display: none; }
    body { color: #000; background: #fff; }
}