/* Custom styles for S & D Consulting */

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

/* Custom animations */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(-3deg); }
    50% { transform: translateY(-12px) rotate(-3deg); }
}

@keyframes float-delayed {
    0%, 100% { transform: translateY(0px) rotate(2deg); }
    50% { transform: translateY(-10px) rotate(2deg); }
}

.animate-float {
    animation: float 6s ease-in-out infinite;
}

.animate-float-delayed {
    animation: float-delayed 7s ease-in-out infinite;
    animation-delay: 1s;
}

/* Navbar scroll state */
nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(16, 42, 67, 0.06), 0 4px 20px rgba(16, 42, 67, 0.06);
}

nav.scrolled .nav-link {
    color: #334e68;
}

nav.scrolled .nav-link:hover {
    color: #102a43;
}

nav.scrolled .mobile-link {
    color: #102a43;
}

/* Mobile menu open state */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

/* Hamburger animation */
#menu-btn.active #bar1 {
    transform: translateY(4px) rotate(45deg);
}

#menu-btn.active #bar2 {
    opacity: 0;
    transform: scaleX(0);
}

#menu-btn.active #bar3 {
    transform: translateY(-4px) rotate(-45deg);
}

/* Scroll reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* Selection color */
::selection {
    background-color: rgba(212, 154, 42, 0.2);
    color: #102a43;
}

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

::-webkit-scrollbar-track {
    background: #f0f4f8;
}

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

::-webkit-scrollbar-thumb:hover {
    background: #9fb3c8;
}

/* Focus visible for accessibility */
:focus-visible {
    outline: 2px solid #d49a2a;
    outline-offset: 2px;
}

/* Subtle gradient border on service cards */
.group:hover::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 1rem;
    padding: 1px;
    background: linear-gradient(135deg, rgba(212, 154, 42, 0.3), rgba(16, 42, 67, 0.1));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}