:root {
    --bg: #0f172a;
    --accent: #6366f1;
}

html {
    scroll-behavior: smooth
}

body {
    background: var(--bg)
}

/* Buttons */
.btn-primary {
    display: inline-block;
    background: linear-gradient(90deg, var(--accent), #7c3aed);
    color: white;
    padding: 0.6rem 1rem;
    border-radius: 0.6rem;
    font-weight: 600;
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.12);
    transition: transform .18s ease, box-shadow .18s ease
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(99, 102, 241, 0.16)
}

.btn-outline {
    display: inline-block;
    padding: 0.55rem 0.9rem;
    border-radius: 0.6rem;
    border: 1px solid rgba(99, 102, 241, 0.18);
    color: var(--accent);
    font-weight: 600;
    background: transparent
}

/* Cards */
.service-card {
    padding: 1.25rem;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
    border-radius: 0.8rem;
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.project-card {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
    border-radius: 0.8rem;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.03);
    box-shadow: 0 6px 24px rgba(2, 6, 23, 0.6)
}

/* subtle utility classes */
.text-indigoAccent {
    color: var(--accent)
}

/* Fade-in animation for sections */
.reveal {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity .7s ease, transform .7s ease
}

.reveal.active {
    opacity: 1;
    transform: none
}

/* Mobile nav (simple) */
#mobile-menu {
    display: none
}

#mobile-menu.open {
    display: block;
    position: fixed;
    inset: 64px 16px auto 16px;
    background: rgba(8, 10, 20, 0.95);
    padding: 1rem;
    border-radius: 0.6rem;
    border: 1px solid rgba(255, 255, 255, 0.03)
}

/* Responsive tweaks */
@media (max-width:768px) {
    .btn-primary {
        padding: 0.6rem 0.8rem
    }
}

/* Form inputs subtle focus */
input:focus,
textarea:focus {
    box-shadow: 0 6px 18px rgba(99, 102, 241, 0.08);
    border-color: rgba(99, 102, 241, 0.3)
}