/* Landing and public pages: layout only (tokens are in theme.css). Scoped to .landing / .landing-page. */

body:has(.landing) { background: var(--vp-bg); }
/* app.css locks body to 100dvh / overflow hidden for the chat, so the landing page scrolls itself. */
.landing-page { font-family: var(--vp-font); line-height: 1.6; letter-spacing: -.01em; position: relative; height: 100vh; height: 100dvh; overflow-y: auto; overflow-x: hidden; scroll-behavior: smooth; background: var(--vp-bg); color: var(--vp-ink); }

.landing {
    position: relative; z-index: 1;
    max-width: 1200px; margin: 0 auto; padding: 0 clamp(16px, 3vw, 28px) 40px;
    line-height: 1.6; letter-spacing: -.01em;
    font-family: var(--vp-font);
}
:where(.landing) :where(h1, h2, h3, p, ol, ul) { margin: 0; padding: 0; font-family: inherit; }
:where(.landing) :where(h2, h3) { line-height: 1.25; }
:where(.landing) :where(ol, ul) { list-style: none; }
.landing h1:focus { outline: none; }
.landing-page a { color: inherit; }

/* Light beams
   Mirrors the Figma frame (1440 x 900): one "background" layer of 2331.85 x 2107.73 at (-129, -739)
   that holds every beam. All numbers are the Figma px divided by 14.4, in --u (1vw), so the whole
   artwork scales with the window. The layer is a direct child of .landing-page (not the centred
   column) and is clipped by .landing-beams. */
.landing-beams { --u: 1vw; position: absolute; top: 0; left: 0; width: 100%; height: calc(var(--u) * 62.5); overflow: hidden; pointer-events: none; z-index: 0; opacity: var(--vp-beam-opacity);
    -webkit-mask-image: linear-gradient(#000 60%, transparent); mask-image: linear-gradient(#000 60%, transparent); }
.landing-bg { position: absolute; width: calc(var(--u) * 161.93); height: calc(var(--u) * 146.37); left: calc(var(--u) * -8.96); top: calc(var(--u) * -51.32); }
.beam { position: absolute; border-radius: 999px; transform: rotate(26deg); background: linear-gradient(180deg, #d9fbe8 0%, var(--vp-green-light) 40%, var(--vp-green) 100%); }
.beam--a { width: calc(var(--u) * 4.4); height: calc(var(--u) * 84); left: calc(var(--u) * 74.7); top: calc(var(--u) * 32.8); filter: blur(calc(var(--u) * 1)); opacity: .95; }
.beam--b { width: calc(var(--u) * 11); height: calc(var(--u) * 80); left: calc(var(--u) * 71.4); top: calc(var(--u) * 34.8); filter: blur(calc(var(--u) * 4.2)); opacity: .6; }
.beam--c { width: calc(var(--u) * 2.8); height: calc(var(--u) * 44.9); left: calc(var(--u) * 16.6); top: calc(var(--u) * 52.6); filter: blur(calc(var(--u) * 1.7)); opacity: .4; transform: rotate(-141deg); }
.glow { position: absolute; width: calc(var(--u) * 40.2); height: calc(var(--u) * 40.2); left: calc(var(--u) * 52.4); top: calc(var(--u) * 60.4); border-radius: 50%; background: rgba(0, 178, 92, .18); filter: blur(calc(var(--u) * 6.9)); }

/* Nav */
.landing-nav { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; max-width: 1200px; margin: 0 auto; padding: 14px clamp(16px, 3vw, 28px); }
.landing-page .landing-brand { justify-self: start; font-size: 22px; font-weight: 700; color: var(--vp-ink); text-decoration: none; }
.landing-brand__vega { color: var(--vp-accent); }
.landing-menu { display: flex; gap: clamp(20px, 3vw, 40px); font-size: 14px; font-weight: 700; }
.landing-menu a { text-decoration: none; color: var(--vp-ink); opacity: .85; }
.landing-menu a:hover { opacity: 1; color: var(--vp-accent); }
.landing-nav__right { justify-self: end; display: flex; align-items: center; gap: 12px; }

/* Hero */
.landing-hero { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; align-items: center; padding: clamp(32px, 6vw, 72px) 0 clamp(48px, 7vw, 88px); min-height: min(640px, 70vh); }
.landing-eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--vp-accent); }
.landing-eyebrow::before { content: ""; width: 28px; height: 3px; border-radius: 3px; background: linear-gradient(90deg, var(--vp-green), var(--vp-green-light)); }
.landing-title { font-size: clamp(34px, 5vw, 54px); font-weight: 700; line-height: 1.15; letter-spacing: -.03em; margin: 16px 0 22px; max-width: 14em; }
.landing-gradient { background: linear-gradient(135deg, var(--vp-green), var(--vp-green-light)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.landing-lead { font-size: 16px; line-height: 1.65; color: var(--vp-muted); max-width: 30rem; }
.landing-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 32px; }

/* Buttons (pill) */
.landing-btn { white-space: nowrap; display: inline-block; padding: 13px 26px; border-radius: 40px; font-size: 15px; font-weight: 700; text-decoration: none; border: 2px solid transparent; transition: transform .2s, box-shadow .2s, border-color .2s, color .2s; }
.landing-btn--sm { padding: 9px 20px; font-size: 14px; }
.landing-page .landing-btn--green { background: linear-gradient(135deg, var(--vp-green), var(--vp-green-light)); color: #fff; box-shadow: 0 6px 22px rgba(0, 178, 92, .35); }
.landing-page .landing-btn--green:hover { box-shadow: 0 8px 30px rgba(0, 178, 92, .6); transform: translateY(-1px); }
.landing-page .landing-btn--ink { background: var(--vp-ink-btn-bg); color: var(--vp-ink-btn-fg); }
.landing-page .landing-btn--ink:hover { box-shadow: 0 0 0 3px var(--vp-border-green); }
.landing-page .landing-btn--outline { border-color: var(--vp-border); color: var(--vp-ink); }
.landing-page .landing-btn--outline:hover { border-color: var(--vp-green-light); color: var(--vp-accent); }

/* Tilted glass browser */
.landing-browser { transform: perspective(1400px) rotateY(-9deg) rotateX(3deg) rotate(-2deg); transform-origin: left center;
    background: var(--vp-card); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--vp-border-green); border-radius: 12px; overflow: hidden;
    box-shadow: var(--vp-shadow), inset 0 1px 0 rgba(255, 255, 255, .1); }
.landing-browser__bar { display: flex; align-items: center; gap: 7px; padding: 10px 14px; border-bottom: 1px solid var(--vp-hairline); }
.dot { width: 8px; height: 8px; border-radius: 50%; }
.dot--r { background: #d8695b; } .dot--y { background: #eac213; } .dot--g { background: #79c743; }
.landing-browser__url { margin: 0 auto; padding: 2px 40px; font-size: 11px; color: var(--vp-faint); background: var(--vp-url-bg); border-radius: 4px; }
.landing-browser__body { padding: clamp(16px, 2.4vw, 26px); display: flex; flex-direction: column; gap: 8px; }
.landing-demo__tag { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--vp-faint); margin-bottom: 6px; }
.landing-demo__tag--out { color: var(--vp-accent); }
.landing-demo__in p { color: var(--vp-muted); font-style: italic; }
.landing-demo__arrow { text-align: center; color: var(--vp-accent); font-size: 22px; line-height: 1; }
.landing-demo__out { padding: 14px 16px; border-radius: 10px; background: var(--vp-tint); border: 1px solid var(--vp-border-green); }
.landing-demo__out p { font-size: 14px; }

/* Sections */
.landing-section { padding: 64px 0 8px; }
.landing-label { display: block; text-align: center; font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--vp-accent); margin-bottom: 8px; }
.landing-h2 { font-size: clamp(24px, 3.4vw, 34px); font-weight: 700; letter-spacing: -.03em; text-align: center; margin-bottom: 8px; }
.landing-section > .landing-h2 + ol,
.landing-section > .landing-h2 + ul { margin-top: 32px; }

.landing-card { position: relative; overflow: hidden; background: var(--vp-card); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); border: 1px solid var(--vp-border); border-radius: 14px; padding: 24px; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .1); transition: border-color .3s, transform .3s, box-shadow .3s; }
.landing-card::before { content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 3px; background: linear-gradient(90deg, var(--vp-green), var(--vp-green-light), transparent 80%); opacity: .8; }
.landing-card:hover { border-color: var(--vp-border-green); transform: translateY(-3px); box-shadow: 0 14px 40px rgba(0, 178, 92, .14); }
.landing-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.landing-card p { color: var(--vp-muted); font-size: 15px; }

.landing-steps { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.landing-features { display: grid; gap: 18px; grid-template-columns: repeat(4, 1fr); }
@media (max-width: 960px) { .landing-features { grid-template-columns: repeat(2, 1fr); } }
.landing-step { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: 50%; background: linear-gradient(135deg, var(--vp-green), var(--vp-green-light)); color: #fff; font-weight: 700; margin-bottom: 12px; box-shadow: 0 4px 14px rgba(0, 178, 92, .35); }

.landing-faq { max-width: 760px; margin: 0 auto; }
.landing-faq details { background: var(--vp-card); border: 1px solid var(--vp-border); border-left: 3px solid var(--vp-green); border-radius: 12px; padding: 14px 18px; margin-top: 12px; }
.landing-faq summary { cursor: pointer; font-weight: 700; }
.landing-faq summary:hover, .landing-faq details[open]:not(.is-closing) summary { color: var(--vp-accent); }
.landing-faq details p { margin-top: 8px; color: var(--vp-muted); font-size: 15px; }

.landing-final { text-align: center; margin-top: 72px; padding: 56px 24px; border: 1px solid var(--vp-border-green); border-radius: 18px; background: radial-gradient(ellipse 70% 120% at 50% 0%, rgba(0, 178, 92, .22), transparent 70%), var(--vp-card); }
.landing-final .landing-btn { margin-top: 18px; }

/* Responsive */
@media (max-width: 1100px) { .landing-browser { transform: perspective(1400px) rotateY(-5deg) rotateX(2deg) rotate(-1deg); } }
@media (max-width: 900px) {
    .landing-hero { grid-template-columns: 1fr; min-height: 0; }
    .landing-browser { transform: none; }
    .landing-menu { display: none; }
    .landing-nav { grid-template-columns: 1fr auto; }
    /* Narrow screens: scale the same artwork up so the beam stays visible */
    .landing-beams { --u: 1.7vw; height: 130vw; }
}
@media (max-width: 560px) { .landing-features { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { .landing-page { scroll-behavior: auto; } .landing-card, .landing-btn { transition: none; } }

/* Sticky frosted bar */
.landing-bar { position: sticky; top: 0; z-index: 30; background: color-mix(in srgb, var(--vp-bg) 62%, transparent); backdrop-filter: blur(16px) saturate(1.4); -webkit-backdrop-filter: blur(16px) saturate(1.4); }
.landing-bar::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px; background: linear-gradient(90deg, transparent, var(--vp-border-green), transparent); opacity: .7; }
.landing-section, .landing-final, .pi [id] { scroll-margin-top: 84px; }

/* Hero details */
.landing-title__l { display: block; text-wrap: balance; }
.landing-points { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 26px; font-size: 13.5px; color: var(--vp-muted); }
.landing-points li { display: inline-flex; align-items: center; gap: 7px; }
.landing-points svg, .landing-checks svg { flex-shrink: 0; color: var(--vp-accent); }

/* Section headings */
.landing-sub { text-align: center; color: var(--vp-muted); max-width: 40rem; margin: 0 auto; font-size: 16px; }
.landing-section > .landing-sub + ol, .landing-section > .landing-sub + ul { margin-top: 32px; }
.landing-label--left, .landing-h2--left, .landing-sub--left { text-align: left; margin-left: 0; }

/* Cards: icon tiles */
.landing-ico { width: 42px; height: 42px; border-radius: 12px; display: inline-grid; place-items: center; background: var(--vp-tint); color: var(--vp-accent); border: 1px solid var(--vp-border-green); }
.landing-card__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.landing-card__top .landing-step { margin-bottom: 0; }
.landing-features .landing-ico { margin-bottom: 14px; }

/* Six-part structure */
.landing-parts { display: grid; gap: 14px; grid-template-columns: repeat(3, 1fr); margin-top: 32px; }
.landing-parts li { position: relative; padding: 18px 20px; border-radius: 14px; background: var(--vp-tint); border: 1px solid var(--vp-border-green); transition: background .3s, border-color .3s, transform .3s; }
.landing-parts li:hover { background: color-mix(in srgb, var(--vp-green) 20%, transparent); border-color: var(--vp-green-light); transform: translateY(-2px); }
.landing-part__n { font: 700 12px/1 var(--vp-mono); letter-spacing: .12em; color: var(--vp-accent); }
.landing-parts h3 { font-size: 17px; font-weight: 700; margin: 8px 0 2px; }
.landing-parts p { color: var(--vp-muted); font-size: 14.5px; }

/* Prompt score */
.landing-score { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 5vw, 64px); align-items: center; }
.landing-checks { display: grid; gap: 12px; margin-top: 22px; color: var(--vp-muted); font-size: 15px; }
.landing-checks li { display: flex; gap: 10px; align-items: flex-start; }
.landing-checks svg { margin-top: 3px; }
.landing-eval { max-width: 460px; width: 100%; justify-self: end; }
.landing-eval:hover { transform: none; }
.landing-eval__head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 10px; }
.landing-eval__head strong { font-size: 16px; }
.landing-eval__pct { font-size: 22px; font-weight: 800; color: var(--vp-accent); }
.landing-eval__sum { font-style: italic; font-size: 14px !important; margin-bottom: 14px; }
.landing-eval__rows { margin: 0; display: grid; gap: 8px; }
.landing-eval__rows > div { display: flex; align-items: center; justify-content: space-between; font-size: 14px; }
.landing-eval__rows dt { color: var(--vp-ink); }
.landing-eval__rows dd { margin: 0; }
.dots { display: inline-flex; gap: 5px; }
.dots i { width: 10px; height: 10px; border-radius: 50%; background: var(--vp-hairline); border: 1px solid var(--vp-border); }
.dots i.on { background: linear-gradient(135deg, var(--vp-green), var(--vp-green-light)); border-color: transparent; }
.landing-eval__note { margin-top: 14px; font-size: 12px !important; color: var(--vp-faint) !important; text-align: right; }

/* Examples */
.landing-cases { display: grid; gap: 18px; grid-template-columns: repeat(3, 1fr); margin-top: 32px; }
.landing-cases h3 { margin-bottom: 12px; }
.landing-case__label { font: 700 11px/1 var(--vp-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--vp-faint) !important; margin: 10px 0 6px; }
.landing-case__label--out { color: var(--vp-accent) !important; }
.landing-case__rough { font-style: italic; }
.landing-case__out { color: var(--vp-ink) !important; font-size: 14px !important; padding: 10px 12px; border-radius: 10px; background: var(--vp-tint); border: 1px solid var(--vp-border-green); }

/* FAQ: animated chevron + focus rings */
.landing-faq summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.landing-faq summary::-webkit-details-marker { display: none; }
.landing-faq summary::after { content: ""; flex-shrink: 0; width: 8px; height: 8px; margin-right: 4px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg); transition: transform .25s; opacity: .7; }
.landing-faq details[open]:not(.is-closing) summary::after { transform: rotate(-135deg); }
.landing-page a:focus-visible, .landing-page button:focus-visible, .landing-faq summary:focus-visible { outline: 2px solid var(--vp-green-light); outline-offset: 3px; border-radius: 8px; }

/* Closing CTA + footer */
.landing-final .landing-sub { margin-bottom: 4px; }
.landing-footer { margin-top: 64px; padding-top: 36px; border-top: 1px solid var(--vp-hairline); color: var(--vp-muted); font-size: 14px; }
.landing-footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 32px; }
.landing-footer__brand p { max-width: 26rem; margin-top: 10px; line-height: 1.6; }
.landing-footer h3 { margin: 0 0 12px; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--vp-ink); }
.landing-footer nav { display: flex; flex-direction: column; gap: 8px; }
.landing-page .landing-footer nav a { color: var(--vp-muted); text-decoration: none; }
.landing-page .landing-footer nav a:hover { color: var(--vp-accent); text-decoration: underline; }
.landing-footer__copy { margin-top: 36px; padding-top: 18px; border-top: 1px solid var(--vp-hairline); font-size: 13px; color: var(--vp-muted); text-align: center; }

@media (max-width: 900px) {
    .landing-parts, .landing-cases { grid-template-columns: repeat(2, 1fr); }
    .landing-score { grid-template-columns: 1fr; }
    .landing-eval { justify-self: stretch; max-width: none; }
    .landing-footer__grid { grid-template-columns: 1fr 1fr; }
    .landing-footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
    .landing-parts, .landing-cases { grid-template-columns: 1fr; }
    .landing-points { flex-direction: column; gap: 8px; }
}

@media (max-width: 360px) {
    .landing-page .landing-brand { font-size: 19px; }
    .landing-brand { gap: 6px; }
    .landing-mascot { height: 34px; }
    .landing-nav__right { gap: 8px; }
    .landing-btn--sm { padding: 9px 14px; }
}

/* Brand: mascot + wordmark */
.landing-brand { display: inline-flex; align-items: center; gap: 10px; }
.landing-mascot { display: inline-flex; align-items: center; height: 40px; flex-shrink: 0; }
.landing-mascot .vega-full { height: 100%; }
.landing-footer .landing-mascot { height: 36px; }
@media (prefers-reduced-motion: reduce) { .landing-mascot .vega-full, .landing-mascot .veye { animation: none; } }

/* FAQ accordion motion */
.landing-faq details { box-sizing: border-box; }
.landing-faq details[open]:not(.is-closing) p { animation: faq-in .32s ease both; }
@keyframes faq-in { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
.landing-faq details.is-closing p { opacity: 0; transition: opacity .18s ease; }
@media (prefers-reduced-motion: reduce) { .landing-faq details[open] p { animation: none; } .landing-faq details.is-closing p { transition: none; } }

/* Public content pages (/prompts, /guide) */
.pi { max-width: 780px; margin: 0 auto; padding: 36px clamp(16px, 3vw, 28px) 8px; }
.pi-crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 13px; color: var(--vp-muted); margin-bottom: 18px; }
.pi-crumbs a { color: var(--vp-muted); text-decoration: none; }
.pi-crumbs a:hover { color: var(--vp-accent); text-decoration: underline; }
.pi-crumbs [aria-current] { color: var(--vp-ink); }
.pi-title { font-size: clamp(30px, 5vw, 44px); line-height: 1.15; letter-spacing: -.02em; font-weight: 800; margin: 0 0 16px; text-wrap: balance; }
.pi-lead { font-size: 17px; color: var(--vp-muted); margin: 0 0 28px; }
.pi-h2 { font-size: 22px; font-weight: 700; margin: 36px 0 12px; letter-spacing: -.01em; }
.pi p, .pi li { line-height: 1.7; }
.pi a { color: var(--vp-accent); }
.pi-list { list-style: disc; padding-left: 1.3em; display: grid; gap: 8px; color: var(--vp-ink); }
.pi-list li::marker { color: var(--vp-accent); }
.pi-example { margin: 8px 0 0; }
.pi-example .pi-h2 { margin-top: 0; }
.pi-note { font-size: 12.5px; color: var(--vp-faint); margin-top: 12px; }
.pi-num { display: inline-block; margin-right: 6px; font: 700 13px/1 var(--vp-mono); letter-spacing: .12em; color: var(--vp-accent); }
.pi-related { list-style: none; padding: 0; display: grid; gap: 8px; }
.pi-cta { margin: 44px 0 8px; }
.pi-grid { margin-top: 8px; }
.pi-card-title { font-size: 18px; margin: 0 0 8px; }
.pi-card-title a { color: var(--vp-ink); text-decoration: none; }
.pi-card-title a:hover { color: var(--vp-accent); }
.pi-more { display: inline-block; margin-top: 8px; font-weight: 600; text-decoration: none; }
.pi-more:hover { text-decoration: underline; }
.landing-more { text-align: center; margin-top: 28px; }
.landing-more a { font-weight: 600; text-decoration: none; color: var(--vp-accent); }
.landing-more a:hover { text-decoration: underline; }
.landing-footer__grid { grid-template-columns: 1.6fr 1fr 1.2fr 1fr; }
@media (max-width: 900px) { .landing-footer__grid { grid-template-columns: 1fr 1fr; } }

/* Hero demo: typing and loading loop (driven by js/landing-demo.js) */
.landing-demo { transition: opacity .35s ease; }
.landing-demo.is-leaving { opacity: 0; }
.landing-demo__out { position: relative; transition: opacity .3s ease; }
.landing-demo.is-idle .landing-demo__out { opacity: .4; }
.landing-demo__load { display: none; align-items: center; gap: 6px; color: var(--vp-muted); font-size: 13px; padding: 4px 0; }
.landing-demo__load span { margin-left: 4px; }
.landing-demo__load i { width: 7px; height: 7px; border-radius: 50%; background: var(--vp-accent); animation: demo-bounce 1s ease-in-out infinite; }
.landing-demo__load i:nth-child(2) { animation-delay: .15s; }
.landing-demo__load i:nth-child(3) { animation-delay: .3s; }
.landing-demo.is-loading .landing-demo__load { display: flex; }
.landing-demo.is-loading .landing-demo__out p { display: none; }
.landing-demo .is-typing::after { content: ""; display: inline-block; width: 2px; height: 1em; margin-left: 2px; vertical-align: -.12em; background: currentColor; animation: demo-caret .9s steps(1) infinite; }
@keyframes demo-bounce { 0%, 80%, 100% { transform: translateY(0); opacity: .5; } 40% { transform: translateY(-5px); opacity: 1; } }
@keyframes demo-caret { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) {
    .landing-demo__load i, .landing-demo .is-typing::after { animation: none; }
}

/* Score card: fade between examples (driven by js/landing-demo.js) */
.landing-eval__fade { transition: opacity .35s ease; }
.landing-eval__fade.is-fading { opacity: 0; }
.landing-eval__rows > div { transition: opacity .45s ease, transform .45s ease; transition-delay: calc(var(--i, 0) * 70ms); }
.landing-eval__fade.is-fading .landing-eval__rows > div { opacity: 0; transform: translateY(6px); transition-delay: 0s; }
@media (prefers-reduced-motion: reduce) {
    .landing-eval__fade, .landing-eval__rows > div { transition: none; }
}
.pi--wide { max-width: 1040px; }
.pi-grid--two { grid-template-columns: repeat(2, 1fr); }
.pi-letters { font: 600 12px/1.5 var(--vp-mono); letter-spacing: .04em; color: var(--vp-accent); margin: 0 0 6px; }
@media (max-width: 900px) { .pi-grid--two { grid-template-columns: 1fr; } }