/* Base styles and custom utilities */

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

body {
    overflow-x: hidden;
}

/* Navigation transition */
#navbar.scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
}

#navbar.scrolled .nav-link {
    color: #334155;
}

#navbar.scrolled .nav-link:hover {
    color: #0d9488;
}

#navbar.scrolled .nav-brand {
    color: #0f172a;
}

#navbar.scrolled #hero ~ nav .w-9,
#navbar.scrolled .group span:first-child {
    background: #0d9488;
}

/* Mobile menu links */
.mobile-link {
    border-bottom: 1px solid #f1f5f9;
    padding-bottom: 0.75rem;
}

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

/* Reveal animations - progressive enhancement */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }

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

    .reveal-left {
        opacity: 0;
        transform: translateX(-40px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }

    .reveal-left.visible {
        opacity: 1;
        transform: translateX(0);
    }

    .reveal-right {
        opacity: 0;
        transform: translateX(40px);
        transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    }

    .reveal-right.visible {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Default visible state for reduced-motion or no-JS */
@media (prefers-reduced-motion: reduce) {
    .reveal,
    .reveal-left,
    .reveal-right {
        opacity: 1;
        transform: none;
    }
}

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

::-webkit-scrollbar-track {
    background: #f8fafc;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 9999px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Selection color */
::selection {
    background: #99f6e4;
    color: #042f2e;
}

/* Smooth image rendering */
img {
    -webkit-font-smoothing: antialiased;
}