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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

/* Hero gradient */
.hero-gradient {
    background: radial-gradient(ellipse at 30% 50%, rgba(13, 148, 136, 0.35) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 50%, rgba(15, 23, 42, 0.9) 0%, transparent 60%),
                radial-gradient(ellipse at 50% 100%, rgba(245, 158, 11, 0.15) 0%, transparent 50%),
                linear-gradient(180deg, #020617 0%, #0f172a 50%, #020617 100%);
}

.hero-orb1 {
    background: radial-gradient(circle, rgba(13, 148, 136, 0.6) 0%, transparent 70%);
}

.hero-orb2 {
    background: radial-gradient(circle, rgba(245, 158, 11, 0.5) 0%, transparent 70%);
}

.hero-orb3 {
    background: radial-gradient(circle, rgba(20, 184, 166, 0.5) 0%, transparent 70%);
}

/* Hero text animation */
@keyframes heroReveal {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-headline {
    animation: heroReveal 1s ease-out forwards;
}

/* Scroll reveal animations */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.reveal[data-reveal] {
    opacity: 0;
    transform: translateY(30px);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal[data-reveal] {
        opacity: 0;
        transform: translateY(30px);
    }
}

/* Service card hover glow */
.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
}

.service-card {
    position: relative;
}

.service-card:hover::before {
    opacity: 1;
}

/* Navbar glass effect */
#navbar.scrolled {
    background: rgba(2, 6, 23, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Mobile menu */
.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

#mobileMenu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobileMenu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobileMenu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobileMenu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }

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

::-webkit-scrollbar-track {
    background: #020617;
}

::-webkit-scrollbar-thumb {
    background: #1e293b;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #334155;
}

/* Selection color */
::selection {
    background: rgba(245, 158, 11, 0.3);
    color: #fbbf24;
}

/* Focus visible */
:focus-visible {
    outline: 2px solid rgba(245, 158, 11, 0.6);
    outline-offset: 2px;
}

/* Select dropdown styling */
select option {
    background: #1e293b;
    color: #fff;
}

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