/* Base */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { overflow-x: hidden; }

/* Scroll Reveal */
.scroll-reveal {
    opacity: 1;
    transform: none;
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.scroll-reveal[data-state="hidden"] {
    opacity: 0;
    transform: translateY(32px);
}
@media (prefers-reduced-motion: no-preference) {
    .scroll-reveal {
        opacity: 0;
        transform: translateY(32px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    .scroll-reveal.is-visible {
        opacity: 1;
        transform: none;
    }
}

/* Navbar */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}
#navbar.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(10, 22, 40, 0.06);
}

/* Mobile menu */
#mobile-menu {
    animation: slideDown 0.3s ease;
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Smooth anchor offset */
section[id] {
    scroll-margin-top: 80px;
}

/* Selection */
::selection {
    background: rgba(31, 208, 160, 0.2);
    color: #0A1628;
}

/* Subtle pattern overlay for hero */
#hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(10, 22, 40, 0.03) 1px, transparent 0);
    background-size: 32px 32px;
    pointer-events: none;
}