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

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

body {
    overflow-x: hidden;
}

/* Hero Gradient */
.hero-gradient {
    background: linear-gradient(135deg, #070f1f 0%, #0f1f3d 40%, #1a3a5c 70%, #0d4a4a 100%);
}

.hero-pattern {
    background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.08) 1px, transparent 0);
    background-size: 40px 40px;
}

/* Floating Orbs */
.hero-orb {
    animation: float 8s ease-in-out infinite;
}

.hero-orb-1 {
    animation-delay: 0s;
    top: 10%;
    left: 5%;
}

.hero-orb-2 {
    animation-delay: -3s;
}

.hero-orb-3 {
    animation-delay: -5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-30px) scale(1.05); }
}

/* Navbar */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: #34d399;
    transition: width 0.2s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* Mobile menu */
#mobile-menu {
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.mobile-link {
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.mobile-link:last-child {
    border-bottom: none;
}

/* Service Cards */
.service-card {
    transform: translateY(0);
}

.service-card:hover {
    transform: translateY(-4px);
}

/* Scroll Reveal */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
    }

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

/* About grid background */
.about-grid-bg {
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

/* Focus styles */
input:focus, textarea:focus, button:focus, a:focus {
    outline: none;
}

/* Selection */
::selection {
    background: rgba(52, 211, 153, 0.3);
    color: #070f1f;
}

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

::-webkit-scrollbar-track {
    background: #070f1f;
}

::-webkit-scrollbar-thumb {
    background: #1a3a5c;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #34d399;
}