/* =====================================================================
 *  RhinoHQ — Base styles & reset
 * ===================================================================== */

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

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--rhq-font-body);
    font-size: var(--rhq-text-base);
    line-height: var(--rhq-leading-normal);
    color: var(--rhq-text-primary);
    background-color: var(--rhq-surface-0);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0 0 var(--rhq-space-4);
    font-family: var(--rhq-font-display);
    font-weight: var(--rhq-weight-semibold);
    line-height: var(--rhq-leading-tight);
    letter-spacing: -0.01em;
    color: var(--rhq-text-primary);
}

h1 { font-size: var(--rhq-text-3xl); }
h2 { font-size: var(--rhq-text-2xl); }
h3 { font-size: var(--rhq-text-xl); }
h4 { font-size: var(--rhq-text-lg); }

p {
    margin: 0 0 var(--rhq-space-4);
    color: var(--rhq-text-secondary);
}

a {
    color: var(--rhq-accent);
    text-decoration: none;
    transition: color var(--rhq-transition-fast);
}

a:hover { color: var(--rhq-accent-hover); text-decoration: underline; }

code, pre, .rhq-mono {
    font-family: var(--rhq-font-mono);
    font-size: 0.9em;
}

code {
    padding: 0.15em 0.4em;
    border-radius: var(--rhq-radius-sm);
    background: var(--rhq-surface-inset);
    color: var(--rhq-text-primary);
}

ul, ol { margin: 0 0 var(--rhq-space-4); padding-left: var(--rhq-space-6); }
li { margin-bottom: var(--rhq-space-2); color: var(--rhq-text-secondary); }

hr {
    height: 1px;
    margin: var(--rhq-space-8) 0;
    border: 0;
    background: var(--rhq-border-subtle);
}

img, svg, video { max-width: 100%; height: auto; display: block; }

table { width: 100%; border-collapse: collapse; }

/* ---------------------------------------------------------------------
   Focus — always visible. Never remove without a replacement.
   --------------------------------------------------------------------- */
:focus-visible {
    outline: 2px solid var(--rhq-accent);
    outline-offset: 2px;
    border-radius: var(--rhq-radius-sm);
}

:focus:not(:focus-visible) { outline: none; }

/* ---------------------------------------------------------------------
   Utility
   --------------------------------------------------------------------- */
.rhq-container {
    width: 100%;
    max-width: var(--rhq-container-max);
    margin-inline: auto;
    padding-inline: var(--rhq-space-6);
}

@media (max-width: 640px) {
    .rhq-container { padding-inline: var(--rhq-space-4); }
}

.rhq-eyebrow {
    display: inline-block;
    margin-bottom: var(--rhq-space-3);
    font-family: var(--rhq-font-mono);
    font-size: var(--rhq-text-xs);
    font-weight: var(--rhq-weight-medium);
    letter-spacing: var(--rhq-tracking-eyebrow);
    text-transform: uppercase;
    color: var(--rhq-accent);
}

.rhq-muted { color: var(--rhq-text-muted); }
.rhq-secondary { color: var(--rhq-text-secondary); }

.rhq-sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.rhq-skip-link {
    position: absolute;
    top: -100px;
    left: var(--rhq-space-4);
    z-index: var(--rhq-z-toast);
    padding: var(--rhq-space-3) var(--rhq-space-4);
    border-radius: var(--rhq-radius-md);
    background: var(--rhq-accent);
    color: var(--rhq-text-on-accent);
    transition: top var(--rhq-transition-base);
}

.rhq-skip-link:focus { top: var(--rhq-space-4); text-decoration: none; }

.rhq-stack > * + * { margin-top: var(--rhq-space-4); }
.rhq-text-center { text-align: center; }