/* ============================================================
   Palamedes — reset, typography, layout primitives
   ============================================================ */

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

html {
    -webkit-text-size-adjust: 100%;
    scroll-padding-top: 6rem;
}

body,
h1, h2, h3, h4, h5, h6,
p, figure, blockquote,
dl, dd, ol, ul {
    margin: 0;
}

ol[class],
ul[class] {
    list-style: none;
    padding: 0;
}

body {
    min-height: 100vh;
    background: var(--ground);
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: var(--step-0);
    line-height: 1.6;
    font-weight: 450;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

img,
picture,
svg {
    max-width: 100%;
    display: block;
}

/* Any component that sets its own `display` would otherwise beat the user
   agent's [hidden] rule, and JS toggling `hidden` would silently do
   nothing. This keeps `hidden` authoritative everywhere. */
[hidden] {
    display: none !important;
}

input,
button,
textarea,
select {
    font: inherit;
    color: inherit;
}

/* ---------- headings: sentence case, tight, never shouted ---------- */

h1, h2, h3, h4, h5, h6 {
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--ink);
    text-wrap: balance;
}

h1 { font-size: var(--step-4); }
h2 { font-size: var(--step-2); }
h3 { font-size: var(--step-1); }
h4, h5, h6 { font-size: var(--step-0); }

.display-xl {
    font-size: clamp(var(--step-4), 6.5vw, var(--step-6));
    line-height: 1.04;
    letter-spacing: -0.035em;
    font-weight: 800;
}

p { text-wrap: pretty; }

a {
    color: var(--royal);
    text-decoration-thickness: 1px;
    text-underline-offset: 0.18em;
}

hr {
    border: 0;
    border-top: 1px solid var(--rule);
    margin: var(--sp-5) 0;
}

/* ---------- focus: always visible, never removed ---------- */

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

/* On the royal-filled surfaces the ring has to be light to be seen. */
.stat--feature :focus-visible,
.widget--feature :focus-visible,
.sidebar :focus-visible {
    outline-color: #FFFFFF;
}

.skip-link {
    position: absolute;
    left: var(--sp-3);
    top: -100%;
    z-index: 100;
    background: var(--royal);
    color: var(--on-royal);
    padding: var(--sp-2) var(--sp-4);
    border-radius: var(--radius);
    font-weight: 700;
    text-decoration: none;
}

.skip-link:focus-visible { top: var(--sp-3); }

/* ============================================================
   App shell — fixed sidebar, scrolling main column
   ============================================================ */

.app {
    display: grid;
    grid-template-columns: var(--sidebar) minmax(0, 1fr);
    min-height: 100vh;
}

.app__body {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.main {
    flex: 1;
    padding: var(--sp-6) var(--sp-6) var(--sp-8);
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
}

/* Signed out there is no sidebar, so the shell is a single column. */
.app--plain { grid-template-columns: minmax(0, 1fr); }

/* Below this the sidebar is replaced by the bottom tab bar. */
@media (max-width: 60rem) {
    .app { grid-template-columns: minmax(0, 1fr); }
    .main { padding: var(--sp-5) var(--sp-4) var(--sp-8); }
}

.container {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: var(--sp-5);
}

.container--narrow { max-width: var(--container-narrow); }
.container--mid { max-width: 48rem; }

/* ============================================================
   Layout primitives
   ============================================================ */

.stack > * + * { margin-top: var(--sp-5); }
.stack--tight > * + * { margin-top: var(--sp-3); }
.stack--loose > * + * { margin-top: var(--sp-6); }

.cluster {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--sp-3);
}

.cluster--between { justify-content: space-between; }
.cluster--end { justify-content: flex-end; }
.cluster--tight { gap: var(--sp-2); }

.grid {
    display: grid;
    gap: var(--sp-5);
}

.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(21rem, 100%), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(15rem, 100%), 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(min(13rem, 100%), 1fr)); }

.grid--split { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }

@media (max-width: 64rem) {
    .grid--split { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- bento: a twelve-column field ----------
   Widgets claim a span. Below 60rem every widget takes the full width,
   so the span classes only exist above that breakpoint. `.bento > *`
   and `.span-*` carry equal specificity, so the span rules must stay
   below the reset — order is what decides them. */

.bento {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--sp-4);
    align-items: start;
}

.bento > * { grid-column: span 12; }

@media (min-width: 60rem) {
    .span-3 { grid-column: span 3; }
    .span-4 { grid-column: span 4; }
    .span-5 { grid-column: span 5; }
    .span-6 { grid-column: span 6; }
    .span-7 { grid-column: span 7; }
    .span-8 { grid-column: span 8; }
    .span-9 { grid-column: span 9; }
}

/* ============================================================
   Text utilities — deliberately few
   ============================================================ */

.eyebrow {
    font-size: var(--step--2);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: var(--ink-faint);
}

.muted { color: var(--ink-muted); }
.faint { color: var(--ink-faint); }
.small { font-size: var(--step--1); }
.lead {
    font-size: var(--step-1);
    color: var(--ink-muted);
    font-weight: 450;
}
.center { text-align: center; }
.nowrap { white-space: nowrap; }
.tnum { font-variant-numeric: tabular-nums; }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
}

/* ============================================================
   Motion — opt-in only
   ============================================================ */

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