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

html {
    scroll-behavior: smooth;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Geometric shapes */
.geo-shape {
    position: absolute;
    pointer-events: none;
}

.geo-circle-1 {
    width: 600px;
    height: 600px;
    border-radius: 50%;
    border: 1px solid rgba(45, 212, 191, 0.08);
    top: -200px;
    right: -150px;
}

.geo-circle-2 {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(45, 212, 191, 0.05);
    bottom: 10%;
    left: -80px;
}

.geo-rect-1 {
    width: 120px;
    height: 120px;
    background: rgba(45, 212, 191, 0.06);
    border-radius: 24px;
    top: 30%;
    left: 15%;
    transform: rotate(15deg);
}

.geo-triangle {
    width: 0;
    height: 0;
    border-left: 60px solid transparent;
    border-right: 60px solid transparent;
    border-bottom: 104px solid rgba(45, 212, 191, 0.06);
    top: 20%;
    right: 10%;
    transform: rotate(-20deg);
}

/* Tap cards */
.tap-card {
    transform: translateY(0);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

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

/* Navbar scroll */
nav.scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(45, 212, 191, 0.1);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile menu */
#menu-overlay {
    animation: fadeInUp 0.3s ease forwards;
}

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

::-webkit-scrollbar-track {
    background: #0a1628;
}

::-webkit-scrollbar-thumb {
    background: rgba(45, 212, 191, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(45, 212, 191, 0.5);
}