/* ============================================================================
   kHouse Dossier · Base
   ----------------------------------------------------------------------------
   Reset + element defaults + container + type primitives.
   Reads tokens only — never hardcodes color, spacing, or radius.
   ============================================================================ */

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; }
html, body, h1, h2, h3, h4, h5, h6, p, ul, ol, figure, blockquote, dl, dd { margin: 0; padding: 0; }
ul, ol { padding-left: 1.2em; }

html { -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--kd-font-sans);
    font-size: var(--kd-text-3);
    line-height: 1.55;
    color: var(--kd-fg);
    background: var(--kd-bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    transition: background var(--kd-dur) var(--kd-ease), color var(--kd-dur) var(--kd-ease);
}

img, svg, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: none; padding: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }

::selection { background: var(--kd-accent); color: var(--kd-accent-fg); }

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

/* ---- Container ---- */
.kd-container {
    width: 100%;
    max-width: var(--kd-container);
    margin-inline: auto;
    padding-inline: var(--kd-container-pad);
}

/* ---- Type primitives ----
   These map intent → token. Use these on any element so swaps are global. */
.kd-display   { font-size: var(--kd-text-9); font-weight: var(--kd-w-bold); line-height: 1.05; letter-spacing: var(--kd-track-tight); }
.kd-h1        { font-size: var(--kd-text-8); font-weight: var(--kd-w-bold); line-height: 1.1;  letter-spacing: var(--kd-track-tight); }
.kd-h2        { font-size: var(--kd-text-7); font-weight: var(--kd-w-bold); line-height: 1.15; letter-spacing: var(--kd-track-snug); }
.kd-h3        { font-size: var(--kd-text-6); font-weight: var(--kd-w-semi); line-height: 1.25; letter-spacing: var(--kd-track-snug); }
.kd-h4        { font-size: var(--kd-text-5); font-weight: var(--kd-w-semi); line-height: 1.3; }
.kd-lede      { font-size: var(--kd-text-4); color: var(--kd-fg-soft); line-height: 1.55; }
.kd-body      { font-size: var(--kd-text-3); color: var(--kd-fg); line-height: 1.6; }
.kd-small     { font-size: var(--kd-text-2); color: var(--kd-fg-muted); }

/* Mono micro-label — used for INTEL · COMMS · DOSSIER · refs */
.kd-mono {
    font-family: var(--kd-font-mono);
    font-size: var(--kd-text-1);
    font-weight: var(--kd-w-semi);
    text-transform: uppercase;
    letter-spacing: var(--kd-track-mono);
    color: var(--kd-fg-muted);
}
.kd-mono--xs { font-size: var(--kd-text-0); }
.kd-mono--fg { color: var(--kd-fg); }

/* Section eyebrow — mono label + a thin rule so titles get a consistent header */
.kd-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--kd-s-2);
    margin-bottom: var(--kd-s-3);
}
.kd-eyebrow::before {
    content: '';
    width: 24px;
    height: 1px;
    background: var(--kd-fg-muted);
}

/* Text helpers */
.kd-muted   { color: var(--kd-fg-muted); }
.kd-soft    { color: var(--kd-fg-soft); }
.kd-tabnums { font-variant-numeric: tabular-nums; }

/* ---- Section scaffolding ---- */
.kd-section            { padding-block: var(--kd-pad-section-y); }
.kd-section--alt       { background: var(--kd-bg-alt); }
.kd-section--sunken    { background: var(--kd-bg-sunken); }
.kd-section--bordered  { border-top: var(--kd-border-w) solid var(--kd-border); }

.kd-section__head      { margin-bottom: var(--kd-s-8); }
.kd-section__head--center { text-align: center; max-width: 720px; margin-inline: auto; }
.kd-section__head .kd-h2 { margin-top: var(--kd-s-2); }
.kd-section__head .kd-lede { margin-top: var(--kd-s-3); max-width: 60ch; }

/* Divider */
.kd-rule { border: 0; height: var(--kd-border-w); background: var(--kd-border); margin: 0; }

/* Visually-hidden (for a11y labels) */
.kd-sr {
    position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden;
    clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}