/* Autoauditoría de EMCode.TECH, v2 visual.
   Marca: los tokens del sitio principal (Archivo + Martian Mono, un solo acento naranja).
   Aperturas oscuras con medios; el contenido vive sobre papel claro para que no pese.
   El naranja se reserva para lo que el lector puede hacer. El verde solo marca "verificado". */

@font-face { font-family: "Archivo"; src: url("../fonts/archivo.woff2") format("woff2"); font-weight: 400 700; font-style: normal; font-display: swap; }
@font-face { font-family: "Martian Mono"; src: url("../fonts/martian-mono.woff2") format("woff2"); font-weight: 400 500; font-style: normal; font-display: swap; }

:root {
  --night: #0a0a0e;
  --night-2: #14141b;
  --night-line: #2a2a34;
  --on-night: #f4f4f6;
  --on-night-dim: #b4b4be;
  --paper: #f3f4f6;
  --card: #ffffff;
  --line: #dcdee4;
  --ink: #15161c;
  --muted: #565a67;
  --accent: #fa6111;
  --accent-hi: #fb8a4c;
  --accent-text: #b33a00;
  --signal: #34d399;
  --signal-text: #0b7a55;
  --warn-text: #a32a1a;
  --font-sans: "Archivo", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "Martian Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --radius: 1rem;
  --gutter: clamp(1rem, 4vw, 2rem);
  --maxw: 72rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; display: block; }
img { height: auto; }
a { color: var(--accent-text); text-underline-offset: 0.2em; }
a:hover { color: var(--ink); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 3px; }
.on-night :focus-visible, .site-header :focus-visible, .site-footer :focus-visible { outline-color: var(--accent-hi); }

.skip { position: absolute; left: 1rem; top: -4rem; padding: 0.6rem 1rem; background: var(--accent); color: var(--night); font-weight: 600; z-index: 200; border-radius: 0.4rem; text-decoration: none; }
.skip:focus { top: 1rem; color: var(--night); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.wrap { width: min(100% - 2 * var(--gutter), var(--maxw)); margin-inline: auto; }
h1, h2, h3, h4 { font-weight: 700; line-height: 1.08; letter-spacing: -0.02em; text-wrap: balance; margin: 0; }
h1 { font-size: clamp(2.2rem, 6vw + 0.4rem, 4.6rem); }
h2 { font-size: clamp(1.7rem, 3.2vw + 0.6rem, 2.7rem); }
h3 { font-size: 1.2rem; letter-spacing: -0.01em; line-height: 1.2; }
p { margin: 0 0 0.9rem; max-width: 62ch; }
code { font-family: var(--font-mono); font-size: 0.82em; background: #e8eaee; padding: 0.1em 0.4em; border-radius: 0.3rem; overflow-wrap: anywhere; }
.on-night code { background: #1f1f28; }
.mono { font-family: var(--font-mono); }
.eyebrow { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin: 0 0 1rem; }
.on-night .eyebrow { color: var(--on-night-dim); }
.eyebrow::before { content: ""; display: inline-block; width: 0.5rem; height: 0.5rem; border-radius: 50%; background: var(--signal); margin-right: 0.6rem; vertical-align: 0.05em; }

/* Cabecera y menú */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(10, 10, 14, 0.9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--night-line); color: var(--on-night); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 3.5rem; }
.brand { color: #fff; font-weight: 700; font-size: 1.1rem; letter-spacing: -0.02em; text-decoration: none; }
.brand:hover { color: #fff; }
.brand span { color: var(--on-night-dim); }
.nav-desktop { display: none; gap: 0.25rem; align-items: center; }
.nav-desktop a { color: var(--on-night-dim); text-decoration: none; padding: 0.55rem 0.8rem; border-radius: 0.5rem; font-size: 0.92rem; }
.nav-desktop a:hover { color: #fff; background: var(--night-2); }
.nav-desktop a[aria-current="page"] { color: #fff; background: var(--night-2); box-shadow: inset 0 -2px 0 var(--accent); }
.nav-mobile { position: relative; }
.nav-mobile summary { list-style: none; cursor: pointer; min-height: 2.75rem; display: inline-flex; align-items: center; gap: 0.6rem; padding: 0 0.9rem; border: 1px solid var(--night-line); border-radius: 0.5rem; font-size: 0.92rem; color: #fff; }
.nav-mobile summary::-webkit-details-marker { display: none; }
.nav-mobile summary::after { content: ""; width: 0.55rem; height: 0.55rem; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor; transform: rotate(45deg) translateY(-2px); }
.nav-mobile[open] summary::after { transform: rotate(-135deg) translateY(-2px); }
.nav-mobile ul { position: absolute; right: 0; top: calc(100% + 0.5rem); margin: 0; padding: 0.4rem; list-style: none; width: min(80vw, 18rem); background: var(--night-2); border: 1px solid var(--night-line); border-radius: 0.8rem; box-shadow: 0 20px 40px rgba(0,0,0,.45); }
.nav-mobile a { display: flex; align-items: center; gap: 0.7rem; min-height: 2.9rem; padding: 0 0.8rem; color: #fff; text-decoration: none; border-radius: 0.5rem; }
.nav-mobile a:hover, .nav-mobile a[aria-current="page"] { background: #20202a; }
.nav-mobile a[aria-current="page"] { box-shadow: inset 3px 0 var(--accent); }
.nav-mobile .n { font-family: var(--font-mono); font-size: 0.72rem; color: var(--on-night-dim); width: 1.6rem; }
@media (min-width: 62em) { .nav-desktop { display: flex; } .nav-mobile { display: none; } }

/* Etiquetas de dato: se distinguen por texto y forma, no solo por color */
.tag { display: inline-block; font-family: var(--font-mono); font-size: 0.66rem; font-weight: 500; letter-spacing: 0.05em; text-transform: uppercase; line-height: 1; padding: 0.32rem 0.5rem; border-radius: 0.3rem; border: 1px solid var(--muted); white-space: nowrap; vertical-align: 0.1em; margin-right: 0.4rem; color: var(--ink); background: transparent; }
.tag--v { border-color: var(--signal-text); }
.tag--v::before { content: "✓ "; color: var(--signal-text); }
.tag--i::before { content: "≈ "; }
.tag--s { color: var(--muted); border-style: dashed; }
.tag--s::before { content: "? "; }
.on-night .tag { color: var(--on-night); border-color: var(--on-night-dim); }
.on-night .tag--v { border-color: var(--signal); }
.on-night .tag--v::before { color: var(--signal); }
.on-night .tag--s { color: var(--on-night-dim); }

/* Botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; min-height: 2.9rem; padding: 0.55rem 1.3rem; background: var(--accent); color: var(--night); font-weight: 600; text-decoration: none; border-radius: 0.6rem; border: 0; font-family: inherit; font-size: 1rem; cursor: pointer; }
.btn:hover { background: var(--accent-hi); color: var(--night); }
.btn--ghost { background: transparent; color: var(--on-night); border: 1px solid rgba(255,255,255,.4); }
.btn--ghost:hover { background: rgba(255,255,255,.12); color: #fff; }
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: #2b2d38; color: #fff; }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.75rem; }

/* Apertura con medio de fondo */
.opener { position: relative; isolation: isolate; color: var(--on-night); background: var(--night) var(--poster, none) center / cover no-repeat; overflow: hidden; min-height: min(78vh, 46rem); display: flex; align-items: flex-end; }
.opener--cover { min-height: min(92vh, 56rem); }
.opener-media { position: absolute; inset: -6% 0; z-index: -2; }
.opener-media video, .opener-media img { width: 100%; height: 100%; object-fit: cover; }
.opener-media .poster { position: absolute; inset: 0; }
.opener-media video { position: relative; }
.opener::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(10,10,14,.55) 0%, rgba(10,10,14,.35) 35%, rgba(10,10,14,.88) 100%), radial-gradient(60% 80% at 15% 100%, rgba(10,10,14,.75), transparent); }
.opener .wrap { padding-block: clamp(2.5rem, 7vw, 5rem); position: relative; }
.opener h1 { max-width: 16ch; }
.opener--cover h1 { max-width: 15ch; }
.opener .lede { font-size: clamp(1.1rem, 1.2vw + 0.8rem, 1.45rem); color: #e4e4ea; max-width: 40ch; margin-top: 1.25rem; line-height: 1.4; }
.bignum { position: absolute; right: var(--gutter); top: clamp(0.5rem, 3vw, 2rem); font-family: var(--font-mono); font-weight: 500; font-size: clamp(6rem, 22vw, 17rem); line-height: 1; color: transparent; -webkit-text-stroke: 1.5px rgba(255,255,255,.28); pointer-events: none; user-select: none; }
.media-ctl { position: absolute; right: var(--gutter); bottom: 1rem; z-index: 3; display: none; align-items: center; gap: 0.5rem; min-height: 2.5rem; padding: 0 0.9rem; font-family: var(--font-sans); font-size: 0.82rem; color: #fff; background: rgba(10,10,14,.6); border: 1px solid rgba(255,255,255,.35); border-radius: 2rem; cursor: pointer; }
.media-ctl:hover { background: rgba(10,10,14,.85); }
.js .media-ctl { display: inline-flex; }
@media (prefers-reduced-motion: reduce) { .opener-media video { display: none; } .media-ctl { display: none !important; } }

/* Secciones sobre papel */
.section { padding-block: clamp(2.75rem, 6vw, 5rem); }
.section--tight { padding-block: clamp(2rem, 4vw, 3rem); }
.section--night { background: var(--night); color: var(--on-night); }
.section--white { background: var(--card); }
.sec-head { margin-bottom: clamp(1.5rem, 3vw, 2.25rem); max-width: 48rem; }
.sec-head p { color: var(--muted); font-size: 1.1rem; margin-top: 0.9rem; }
.section--night .sec-head p { color: var(--on-night-dim); }
.kicker { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent-text); margin: 0 0 0.6rem; }
.section--night .kicker { color: var(--accent-hi); }

/* Cifras */
.stats { display: grid; gap: 1px; grid-template-columns: repeat(2, 1fr); background: var(--night-line); border: 1px solid var(--night-line); border-radius: var(--radius); overflow: hidden; }
.stat { background: var(--night-2); padding: clamp(1rem, 2.5vw, 1.6rem); color: var(--on-night); }
.stat b { display: block; font-family: var(--font-mono); font-weight: 500; font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1; letter-spacing: -0.04em; color: #fff; }
.stat b small { font-size: 0.45em; letter-spacing: 0; color: var(--on-night-dim); margin-left: 0.15em; }
.stat span { display: block; margin-top: 0.7rem; font-size: 0.92rem; color: var(--on-night-dim); line-height: 1.35; }
.stat .tag { display: inline-block; margin: 0.7rem 0 0; color: inherit; }
.stat .tag--v { border-color: var(--signal-text); }
.stat:not(.stats--light .stat) .tag--v { border-color: var(--signal); }
.stat--hot b { color: var(--accent); }
.stats--light { background: var(--line); border-color: var(--line); }
.stats--light .stat { background: var(--card); color: var(--ink); }
.stats--light .stat b { color: var(--ink); }
.stats--light .stat span { color: var(--muted); }
.stats--light .stat--hot b { color: var(--accent-text); }
.stats--3 { grid-template-columns: 1fr; }
@media (min-width: 40em) { .stats--3 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 48em) { .stats--4 { grid-template-columns: repeat(4, 1fr); } .stats--5 { grid-template-columns: repeat(5, 1fr); } }

/* Tarjetas de hallazgo */
.cards { display: grid; gap: 1rem; }
.cards--2 { grid-template-columns: 1fr; }
.cards--3 { grid-template-columns: 1fr; }
@media (min-width: 48em) { .cards--2 { grid-template-columns: repeat(2, 1fr); } .cards--3 { grid-template-columns: repeat(3, 1fr); } }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.1rem, 2.5vw, 1.6rem); display: flex; flex-direction: column; gap: 0.6rem; }
.card h3 { font-size: 1.25rem; }
.card p { margin: 0; color: var(--muted); }
.card .tag { align-self: flex-start; margin: 0; }
.card .glyph { font-family: var(--font-mono); font-size: 0.78rem; color: var(--muted); letter-spacing: 0.08em; }
.card .big { font-family: var(--font-mono); font-weight: 500; font-size: clamp(2.4rem, 5vw, 3.6rem); line-height: 1; letter-spacing: -0.05em; color: var(--accent-text); }
.card--dark { background: var(--night-2); border-color: var(--night-line); color: var(--on-night); }
.card--dark p { color: var(--on-night-dim); }
.card--dark .tag { color: var(--on-night); border-color: var(--on-night-dim); }
.card--dark .tag--v { border-color: var(--signal); }
.card--dark .tag--v::before { color: var(--signal); }
.card--dark .big { color: var(--accent); }
.card--dark .glyph { color: var(--on-night-dim); }
a.card { text-decoration: none; color: inherit; transition: transform .2s, border-color .2s; }
a.card:hover { border-color: var(--ink); transform: translateY(-3px); color: inherit; }
a.card .go { margin-top: auto; padding-top: 0.6rem; color: var(--accent-text); font-weight: 600; }
a.card--dark .go { color: var(--accent-hi); }
a.card--dark:hover { border-color: var(--accent); }
.finding-grid { display: grid; gap: 1rem; grid-template-columns: 1fr; }
@media (min-width: 48em) { .finding-grid { grid-template-columns: repeat(6, 1fr); } .finding-grid .card { grid-column: span 2; } .finding-grid .card--wide { grid-column: span 3; } }

/* Desplegables */
details.more { border: 1px solid var(--line); border-radius: 0.8rem; background: var(--card); margin-top: 1rem; }
details.more > summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 3rem; padding: 0.6rem 1rem; font-weight: 600; font-size: 0.98rem; border-radius: 0.8rem; }
details.more > summary::-webkit-details-marker { display: none; }
details.more > summary::after { content: "+"; font-family: var(--font-mono); font-size: 1.3rem; line-height: 1; color: var(--accent-text); flex: none; }
details.more[open] > summary::after { content: "−"; }
details.more > summary:hover { background: #eef0f3; }
.more-body { padding: 0.25rem 1rem 1rem; }
.more-body > :last-child { margin-bottom: 0; }
.more-body ul { margin: 0 0 0.5rem; padding-left: 1.1rem; max-width: 66ch; }
.more-body li { margin-bottom: 0.55rem; color: #2c2e38; }
.more-body h4 { font-size: 0.95rem; margin: 1.1rem 0 0.4rem; }
.card details.more, .card--dark details.more { margin-top: 0.4rem; }
.card--dark details.more { background: transparent; border-color: var(--night-line); }
.card--dark details.more > summary:hover { background: #1c1c25; }
.card--dark .more-body li { color: var(--on-night-dim); }
.section--night details.more { background: var(--night-2); border-color: var(--night-line); }
.section--night details.more > summary:hover { background: #1c1c25; }
.section--night .more-body li, .section--night .more-body p { color: var(--on-night-dim); }
.section--night details.more > summary::after { color: var(--accent-hi); }

/* Barras de nota */
.bars { display: grid; gap: 0.55rem; margin: 0; padding: 0; list-style: none; }
.bar { display: grid; grid-template-columns: 1fr; gap: 0.3rem 1rem; align-items: center; background: var(--card); border: 1px solid var(--line); border-radius: 0.8rem; padding: 0.8rem 1rem; }
.bar .lab { font-weight: 600; }
.bar .lab small { display: block; font-weight: 400; color: var(--muted); font-size: 0.88rem; margin-top: 0.15rem; }
.bar .track { height: 0.7rem; border-radius: 1rem; background: #e6e8ec; position: relative; overflow: hidden; }
.bar .fill { position: absolute; inset: 0 auto 0 0; width: calc(var(--v) / 5 * 100%); border-radius: 1rem; background: var(--ink); transform-origin: left center; }
.bar.low .fill { background: var(--accent-text); }
.bar .score { font-family: var(--font-mono); font-size: 0.9rem; font-weight: 500; }
.bar .meter { display: grid; grid-template-columns: 1fr 3.2rem; gap: 0.8rem; align-items: center; }
.bar .meter .score { text-align: right; }
@media (min-width: 48em) { .bar { grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); } }
.scale { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 0.7rem; color: var(--muted); margin-top: 0.7rem; max-width: none; }

/* Dos columnas comparativas */
.versus { display: grid; gap: 1rem; grid-template-columns: 1fr; }
@media (min-width: 48em) { .versus { grid-template-columns: 1fr 1fr; } }
.versus .side { border-radius: var(--radius); padding: clamp(1.2rem, 3vw, 2rem); }
.versus .side--a { background: var(--card); border: 1px solid var(--line); }
.versus .side--b { background: var(--ink); color: #fff; }
.versus h3 { font-size: 0.78rem; font-family: var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase; font-weight: 500; color: var(--muted); margin-bottom: 0.9rem; }
.versus .side--b h3 { color: var(--on-night-dim); }
.versus .big-line { font-size: clamp(1.4rem, 2.6vw, 2rem); font-weight: 700; line-height: 1.12; letter-spacing: -0.02em; margin: 0 0 0.8rem; max-width: 18ch; }
.versus p { color: inherit; opacity: .82; margin: 0; }

/* Figuras con marcas */
.shot { position: relative; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; }
.shot img { width: 100%; }
.pin { position: absolute; left: var(--x); top: var(--y); transform: translate(-50%, -50%); width: 1.9rem; height: 1.9rem; border-radius: 50%; background: var(--accent); color: var(--night); font-family: var(--font-mono); font-weight: 500; font-size: 0.85rem; display: grid; place-items: center; box-shadow: 0 0 0 4px rgba(250,97,17,.28), 0 4px 12px rgba(0,0,0,.35); }
figure { margin: 0; }
figcaption { margin-top: 0.7rem; font-size: 0.86rem; color: var(--muted); max-width: 60ch; }
.callouts { margin: 0.9rem 0 0; padding: 0; list-style: none; display: grid; gap: 0.5rem; counter-reset: pin; }
.callouts li { display: grid; grid-template-columns: 1.7rem 1fr; gap: 0.6rem; align-items: start; font-size: 0.95rem; counter-increment: pin; }
.callouts li::before { content: counter(pin); width: 1.5rem; height: 1.5rem; border-radius: 50%; background: var(--accent); color: var(--night); font-family: var(--font-mono); font-size: 0.78rem; display: grid; place-items: center; }
.split { display: grid; gap: clamp(1.25rem, 3vw, 2.5rem); grid-template-columns: 1fr; align-items: start; }
@media (min-width: 48em) { .split { grid-template-columns: 1fr 1fr; } .split--shot-narrow { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); } .split--phone { grid-template-columns: 18rem 1fr; } }
.phone { max-width: 20rem; }

/* Chips de rutas / estado */
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0; padding: 0; list-style: none; }
.chip { display: inline-flex; align-items: center; gap: 0.55rem; padding: 0.5rem 0.8rem; background: var(--card); border: 1px solid var(--line); border-radius: 0.6rem; font-size: 0.9rem; }
.chip code { background: none; padding: 0; font-size: 0.8rem; }
.chip b { font-family: var(--font-mono); font-weight: 500; font-size: 0.78rem; padding: 0.2rem 0.4rem; border-radius: 0.3rem; background: var(--warn-text); color: #fff; }
.chip.ok b { background: var(--signal-text); }
.chip.miss { border-style: dashed; color: var(--muted); }
.chip.miss b { background: #6b6e7a; }

/* Matriz de comparación */
.matrix { width: 100%; border-collapse: separate; border-spacing: 0 0.4rem; font-size: 0.93rem; }
.matrix th, .matrix td { text-align: left; padding: 0.7rem 0.9rem; background: var(--card); vertical-align: middle; }
.matrix thead th { background: none; font-family: var(--font-mono); font-size: 0.68rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.07em; color: var(--muted); padding-block: 0.3rem; }
.matrix tbody th { font-weight: 600; border-radius: 0.6rem 0 0 0.6rem; }
.matrix tbody td:last-child { border-radius: 0 0.6rem 0.6rem 0; }
.matrix tr.us th, .matrix tr.us td { background: var(--ink); color: #fff; }
.matrix .y::before, .matrix .n::before, .matrix .q::before { display: inline-block; width: 1.3rem; font-family: var(--font-mono); }
.matrix .y::before { content: "●"; color: var(--signal-text); }
.matrix .n::before { content: "○"; color: var(--warn-text); }
.matrix .q::before { content: "?"; color: var(--muted); }
.matrix tr.us .y::before { color: var(--signal); }
.matrix tr.us .n::before { color: #ff8a73; }
.scroll-x { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.scroll-x:focus-visible { outline-offset: 0; }
.matrix { min-width: 38rem; }

/* Tablas dentro de desplegables */
.tbl { width: 100%; border-collapse: collapse; font-size: 0.9rem; min-width: 34rem; }
.tbl th, .tbl td { text-align: left; vertical-align: top; padding: 0.65rem 0.8rem; border-top: 1px solid var(--line); }
.tbl thead th { border-top: 0; font-family: var(--font-mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); font-weight: 500; white-space: nowrap; }
.tbl tbody th { font-weight: 600; }
.tbl .num { font-family: var(--font-mono); font-size: 0.85rem; }
.tbl caption { text-align: left; padding: 0 0 0.6rem; color: var(--muted); font-size: 0.85rem; }

/* Anillos de Lighthouse */
.rings { display: grid; gap: 1rem; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 48em) { .rings { grid-template-columns: repeat(4, 1fr); } }
.ring { background: var(--night-2); border: 1px solid var(--night-line); border-radius: var(--radius); padding: 1.2rem 1rem 1rem; text-align: center; color: var(--on-night); }
.ring svg { width: min(100%, 9.5rem); height: auto; display: block; margin: 0 auto; }
.ring .track { fill: none; stroke: #2a2a34; stroke-width: 9; }
.ring .arc { fill: none; stroke: var(--signal); stroke-width: 9; stroke-linecap: round; stroke-dasharray: var(--c) var(--c); stroke-dashoffset: calc(var(--c) * (1 - var(--p) / 100)); transform: rotate(-90deg); transform-origin: 50% 50%; }
.ring .arc.mid { stroke: var(--accent); }
.ring text { font-family: var(--font-mono); font-weight: 500; fill: #fff; font-size: 30px; text-anchor: middle; dominant-baseline: central; }
.ring .name { display: block; margin-top: 0.6rem; font-size: 0.92rem; color: var(--on-night-dim); }

/* Medidores horizontales */
.hmeter { margin: 0; padding: 0; list-style: none; display: grid; gap: 0.9rem; }
.hmeter li { display: grid; gap: 0.35rem; }
.hmeter .row { display: flex; justify-content: space-between; gap: 1rem; font-size: 0.95rem; }
.hmeter .row b { font-family: var(--font-mono); font-weight: 500; }
.hmeter .trk { height: 0.8rem; background: #2a2a34; border-radius: 1rem; position: relative; overflow: hidden; }
.hmeter .val { position: absolute; inset: 0 auto 0 0; width: var(--w); background: var(--accent); border-radius: 1rem; transform-origin: left center; }
.section--light .hmeter .trk { background: #e6e8ec; }

/* Puntos de consultas */
.dots { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0; padding: 0; list-style: none; }
.dots li { width: 2.6rem; height: 2.6rem; border-radius: 50%; border: 2px dashed var(--muted); display: grid; place-items: center; font-family: var(--font-mono); font-size: 0.75rem; color: var(--muted); }

/* Teselas de plataforma */
.tiles { display: grid; gap: 0.75rem; grid-template-columns: repeat(2, 1fr); margin: 0; padding: 0; list-style: none; }
@media (min-width: 48em) { .tiles { grid-template-columns: repeat(4, 1fr); } }
.tile { background: var(--card); border: 1px solid var(--line); border-radius: 0.9rem; padding: 1rem; display: flex; flex-direction: column; gap: 0.5rem; min-height: 8.5rem; }
.tile h3 { font-size: 1rem; }
.tile p { margin: 0; font-size: 0.85rem; color: var(--muted); line-height: 1.35; }
.tile .tag { align-self: flex-start; margin: 0; }
.tile.empty { border-style: dashed; background: transparent; }
.tile.live { border-color: var(--signal-text); }
.tile .state { margin-top: auto; font-family: var(--font-mono); font-size: 0.72rem; color: var(--muted); }

/* Línea de tiempo del blog */
.timeline { position: relative; margin: 1.5rem 0 0.5rem; height: 3.2rem; }
.timeline .rail { position: absolute; left: 0; right: 0; top: 1.2rem; height: 4px; border-radius: 4px; background: #3a3a46; }
.timeline .span { position: absolute; left: 0; top: 1.2rem; height: 4px; border-radius: 4px; background: var(--accent); width: 100%; transform-origin: left center; }
.timeline .pt { position: absolute; top: 0.75rem; width: 1rem; height: 1rem; border-radius: 50%; background: #fff; border: 3px solid var(--accent); }
.timeline .pt--a { left: 0; }
.timeline .pt--b { right: 0; background: var(--night); border-color: #fff; }
.timeline .lbl { position: absolute; top: 2.1rem; font-family: var(--font-mono); font-size: 0.72rem; color: var(--on-night-dim); }
.timeline .lbl--a { left: 0; }
.timeline .lbl--b { right: 0; text-align: right; }
.timeline .mid { position: absolute; left: 50%; transform: translateX(-50%); top: -0.3rem; font-family: var(--font-mono); font-size: 0.8rem; color: #fff; white-space: nowrap; }

/* Plan */
.accordion { display: grid; gap: 0.5rem; margin: 0; padding: 0; list-style: none; }
.act { background: var(--card); border: 1px solid var(--line); border-radius: 0.8rem; }
.act > details > summary { list-style: none; cursor: pointer; display: grid; grid-template-columns: 2.4rem 1fr auto; gap: 0.6rem; align-items: center; padding: 0.85rem 1rem; min-height: 3.4rem; border-radius: 0.8rem; }
.act > details > summary::-webkit-details-marker { display: none; }
.act > details > summary:hover { background: #eef0f3; }
.act .n { font-family: var(--font-mono); font-size: 0.8rem; color: var(--muted); }
.act .t { font-weight: 600; line-height: 1.25; }
.act .pm { font-family: var(--font-mono); font-size: 1.2rem; color: var(--accent-text); }
.act details[open] .pm::before { content: "−"; }
.act details:not([open]) .pm::before { content: "+"; }
.act .body { padding: 0 1rem 1rem 4rem; color: #2c2e38; }
.act .body p { margin: 0 0 0.5rem; }
.act .src { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--muted); }
@media (max-width: 40em) { .act .body { padding-left: 1rem; } }
.group-head { display: flex; align-items: baseline; gap: 0.9rem; margin: 2.2rem 0 0.8rem; }
.group-head:first-of-type { margin-top: 0; }
.group-head .letter { font-family: var(--font-mono); font-size: 2rem; line-height: 1; color: var(--accent-text); }
.group-head h3 { font-size: 1.35rem; }
.steps { display: grid; gap: 1rem; margin: 0; padding: 0; list-style: none; counter-reset: s; grid-template-columns: 1fr; }
@media (min-width: 48em) { .steps { grid-template-columns: repeat(4, 1fr); } }
.steps li { background: var(--night-2); border: 1px solid var(--night-line); border-radius: var(--radius); padding: 1.2rem; counter-increment: s; }
.steps li::before { content: counter(s, decimal-leading-zero); display: block; font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent-hi); margin-bottom: 0.8rem; }
.steps b { display: block; margin-bottom: 0.3rem; color: #fff; }
.steps span { color: var(--on-night-dim); font-size: 0.95rem; line-height: 1.4; }

/* Etiqueta-guía (leyenda) */
.legend { display: grid; gap: 0.75rem; grid-template-columns: 1fr; }
@media (min-width: 48em) { .legend { grid-template-columns: repeat(3, 1fr); } }
.legend .card { gap: 0.8rem; }
.legend .tag { font-size: 0.78rem; padding: 0.4rem 0.65rem; }

/* Paginador */
.pager { display: grid; gap: 0.75rem; grid-template-columns: 1fr; }
@media (min-width: 40em) { .pager { grid-template-columns: 1fr 1fr; } }
.pager a { display: flex; flex-direction: column; gap: 0.25rem; padding: 1.1rem 1.3rem; border: 1px solid var(--night-line); border-radius: var(--radius); background: var(--night-2); color: #fff; text-decoration: none; min-height: 5rem; justify-content: center; transition: border-color .2s, transform .2s; }
.pager a:hover { border-color: var(--accent); color: #fff; transform: translateY(-2px); }
.pager small { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--on-night-dim); }
.pager strong { font-size: 1.15rem; }
.pager .next { text-align: right; align-items: flex-end; }
.pager .next strong::after { content: " →"; color: var(--accent); }
.pager .prev strong::before { content: "← "; color: var(--accent); }
.pager .solo { grid-column: 1 / -1; }
.progress { display: flex; gap: 0.4rem; margin: 0 0 1.25rem; padding: 0; list-style: none; }
.progress a { display: block; height: 0.5rem; width: clamp(1.8rem, 6vw, 3.2rem); border-radius: 1rem; background: rgba(255,255,255,.28); }
.progress a:hover { background: rgba(255,255,255,.55); }
.progress a[aria-current="page"] { background: var(--accent); }

/* Pie */
.site-footer { background: var(--night); color: var(--on-night-dim); padding-block: 2.5rem 3rem; font-size: 0.88rem; }
.site-footer .wrap { display: grid; gap: 1.5rem; }
@media (min-width: 48em) { .site-footer .wrap { grid-template-columns: 1.3fr 1fr; } }
.site-footer p { margin: 0 0 0.5rem; max-width: 58ch; }
.site-footer a { color: #fff; }
.site-footer a:hover { color: var(--accent-hi); }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.2rem; }
.site-footer ul a { display: inline-block; padding: 0.3rem 0; }
.site-footer .credits { grid-column: 1 / -1; border-top: 1px solid var(--night-line); padding-top: 1.25rem; font-size: 0.82rem; }
.site-footer .credits p { max-width: 90ch; }

/* Utilidades */
.mt { margin-top: clamp(1.5rem, 3vw, 2.25rem); }
.muted { color: var(--muted); }
.note { font-size: 0.95rem; color: var(--muted); }
.lead-line { font-size: clamp(1.25rem, 2.2vw, 1.7rem); font-weight: 600; letter-spacing: -0.015em; line-height: 1.25; max-width: 34ch; }
.quote { border-left: 4px solid var(--accent); padding: 0.2rem 0 0.2rem 1.1rem; font-size: clamp(1.1rem, 1.6vw, 1.35rem); font-weight: 600; line-height: 1.3; max-width: 44ch; margin: 0; }
.pdf-card { display: flex; flex-wrap: wrap; gap: 1rem 1.5rem; align-items: center; justify-content: space-between; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem 1.4rem; }
.pdf-card p { margin: 0; max-width: 46ch; }
.pdf-card strong { display: block; font-size: 1.1rem; }

/* Animación: el estado inicial lo pone JS; sin JS todo se ve. */
@media (prefers-reduced-motion: reduce) {
  [data-reveal], [data-reveal] * { opacity: 1 !important; transform: none !important; }
  a.card { transition: none; }
}
@media print { .site-header, .media-ctl, .skip { display: none; } .opener { min-height: 0; } }

/* Miniaturas de tarjetas de capítulo */
.thumb { width: 100%; aspect-ratio: 16 / 8; object-fit: cover; border-radius: 0.7rem; background: var(--night); }
.card--dark .thumb { margin-bottom: 0.4rem; }
.pager-wrap { padding-block: clamp(2rem, 5vw, 3.5rem); background: var(--night); }

.plain { margin: 0; padding: 0; list-style: none; display: grid; gap: 0.7rem; }
.plain li { max-width: 62ch; }
.section--night .plain { color: var(--on-night-dim); }

.quote.mt { margin-top: clamp(1.5rem, 3vw, 2.25rem); }

@media (max-width: 47.99em) { .stats--5 .stat:last-child { grid-column: 1 / -1; } }
@media (max-width: 39.99em) { .bignum { display: none; } }

.matrix tbody th, .matrix tbody td { color: var(--ink); }
.matrix tr.us th, .matrix tr.us td { color: #fff; }
.matrix tr.us code { background: #2a2a34; }
.matrix tbody th { min-width: 11rem; }