*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    overflow-x: hidden;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #f0f4ff;
}
::-webkit-scrollbar-thumb {
    background: #bccffd;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #90b4fd;
}

/* Selection color */
::selection {
    background: #e9b22f;
    color: #161f4d;
}

/* Mobile menu animation */
.menu-line {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

#mobile-menu.open .menu-line:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}
#mobile-menu.open .menu-line:nth-child(2) {
    opacity: 0;
}
#mobile-menu.open .menu-line:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
    width: 5rem;
}

#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

/* Navbar scroll state */
#navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-blur-md;
    box-shadow: 0 1px 20px rgba(22, 31, 77, 0.08);
}

#navbar.scrolled .font-display,
#navbar.scrolled .text-navy-900 {
    color: #161f4d;
}

#navbar.scrolled .text-navy-900\/60,
#navbar.scrolled .text-navy-900\/70 {
    color: rgba(22, 31, 77, 0.6);
}

/* Service card hover - text color fix */
.service-card h3 {
    color: #161f4d;
}

.service-card p {
    color: rgba(22, 31, 77, 0.6);
}

/* Fade-in animation for scroll reveal */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Stagger delays */
.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; }

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