/* ============================================================================
   ux-base.css
   Global base styles — resets, bare element rules, global animations.
   Requires: ux-tokens.css
   ============================================================================ */


/* ============================================================================
   SECTION 1: Global Reset & Base Elements
   ============================================================================ */

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

html {
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100%;
    background-color: var(--bg);
    background-image: radial-gradient(ellipse 200% 200% at -5% -5%, rgba(14,165,233,0.14) 0%, transparent 50%), radial-gradient(ellipse 130% 130% at 105% 105%, rgba(99,102,241,0.10) 0%, transparent 50%);
    background-attachment: fixed;
}

:root[data-theme="light"] {
    background-image: none;
}

body {
    font-family: var(--font-primary);
    font-weight: 400;
    color: var(--text);
    background: transparent;
    line-height: var(--lh-body);
    font-size: var(--type-body-md);
}

    /* Dot grid is applied by the component library overlay file */
    body::before {
        display: none;
    }

:root[data-theme="light"] body {
    background: transparent;
}

    :root[data-theme="light"] body::before {
        background-image:
            linear-gradient(rgba(2,132,199,0.06) 1px, transparent 1px),
            linear-gradient(90deg, rgba(2,132,199,0.06) 1px, transparent 1px);
        opacity: 0.55;
    }

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--text);
    margin-bottom: var(--space-3);
    letter-spacing: -0.02em;
    text-wrap: balance;
}

h1 {
    font-size: var(--type-h1);
    line-height: var(--lh-h1);
}

h2 {
    font-size: var(--type-h2);
    line-height: var(--lh-h2);
}

h3 {
    font-size: var(--type-h3);
    line-height: var(--lh-h3);
}

h4 {
    font-size: var(--type-body-lg);
    line-height: var(--lh-body);
}

h5 {
    font-size: var(--type-body-md);
    line-height: var(--lh-body);
}

h6 {
    font-size: var(--type-body-sm);
    line-height: var(--lh-body);
}

a {
    color: var(--primary);
    text-decoration: none;
}

    a:hover {
        color: var(--primary-dark);
    }

::-webkit-scrollbar {
    width: 5px;
    height: 5px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--surface-3);
    border-radius: var(--radius-full);
}

    ::-webkit-scrollbar-thumb:hover {
        background: color-mix(in srgb, var(--primary) 40%, var(--surface-3));
    }


/* ============================================================================
   SECTION 2: Accessibility & Motion
   ============================================================================ */

:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Headings receive programmatic focus from Blazor's FocusOnNavigate — suppress the ring */
h1:focus-visible, h2:focus-visible, h3:focus-visible,
h4:focus-visible, h5:focus-visible, h6:focus-visible {
    outline: none;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        transition: none !important;
        animation: none !important;
        scroll-behavior: auto !important;
    }
}


/* ============================================================================
   SECTION 3: Global Animations
   Used across all pages — home-page-specific keyframes live in Home.razor.css
   ============================================================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
        filter: blur(4px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.ux-fade-in-up {
    animation: fadeInUp var(--dur-slow) var(--ease-out) both;
}

.ux-fade-in {
    animation: fadeIn var(--dur-med) var(--ease-out) both;
}