/* Base & Typography */
body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: rgba(45, 212, 191, 0.2);
    color: #f0fdf9;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #040d1a;
}
::-webkit-scrollbar-thumb {
    background: rgba(45, 212, 191, 0.3);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(45, 212, 191, 0.5);
}

/* Navbar */
.nav-link {
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #2dd4bf;
    transition: width 0.3s ease;
}
.nav-link:hover::after {
    width: 100%;
}

/* Mobile menu */
.menu-line {
    transition: all 0.3s ease;
}
#menu-toggle.active .menu-line:first-child {
    transform: rotate(45deg) translate(3px, 3px);
}
#menu-toggle.active .menu-line:last-child {
    transform: rotate(-45deg) translate(2px, -2px);
}

/* Floating cards animation */
.floating-card {
    animation: float 6s ease-in-out infinite;
}
.floating-card:nth-child(2) {
    animation-delay: -2s;
    animation-duration: 7s;
}
.floating-card:nth-child(3) {
    animation-delay: -4s;
    animation-duration: 5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

/* Service cards */
.service-card {
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(45, 212, 191, 0.3), transparent);
    opacity: 0;
    transition: opacity 0.5s ease;
}
.service-card:hover::before {
    opacity: 1;
}

/* Fade-in animations */
.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 */
.stagger > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.stagger.visible > *:nth-child(1) { transition-delay: 0.1s; }
.stagger.visible > *:nth-child(2) { transition-delay: 0.2s; }
.stagger.visible > *:nth-child(3) { transition-delay: 0.3s; }
.stagger.visible > *:nth-child(4) { transition-delay: 0.4s; }
.stagger.visible > *:nth-child(5) { transition-delay: 0.5s; }
.stagger.visible > *:nth-child(6) { transition-delay: 0.6s; }
.stagger.visible > * {
    opacity: 1;
    transform: translateY(0);
}

/* Select styling */
select option {
    background: #0a1931;
    color: #fff;
}

/* Smooth focus for inputs */
input:focus, textarea:focus, select:focus {
    outline: none;
}

/* Parallax-like subtle effect on hero image */
#hero img {
    transition: transform 0.5s ease;
}