/* ─────────────────────────────────────────────────────────────
   tresmillonesdeviviendas.es
   Paleta rojo + verde sobre crema, con cabecera oscura.
   Hereda el espíritu editorial de jorgegalindo.eu pero con un
   contraste más rotundo: hero oscuro, capítulos cremas,
   marcas de capítulo tipográficas como filigrana.
   ───────────────────────────────────────────────────────────── */

:root {
  --paper:        #F4EFE2;
  --paper-soft:   #FAF6ED;
  --paper-deep:   #ECE5D2;

  --ink:          #1A1C24;
  --ink-deep:     #0F1118;
  --ink-soft:     #535868;
  --ink-mute:     #8A8E9C;

  /* verde — lo que se construye, lo deseado, la oferta */
  --green:        #2F8A6B;
  --green-deep:   #1B6B50;
  --green-pastel: #B6DDC8;
  --green-soft:   rgba(47, 138, 107, 0.10);
  --green-haze:   rgba(182, 221, 200, 0.30);

  /* rojo — el déficit, lo que falta, la demanda insatisfecha */
  --red:          #C13027;
  --red-deep:     #8E1F18;
  --red-pastel:   #F5C6BF;
  --red-soft:     rgba(193, 48, 39, 0.10);
  --red-haze:     rgba(245, 198, 191, 0.32);

  /* rules */
  --rule:         #D9D2C0;
  --rule-strong:  #BFB6A2;
  --rule-dark:    rgba(244, 239, 226, 0.22);

  /* layout */
  --max:          760px;
  --max-wide:     1080px;
  --max-chart:    920px;
  --gutter:       clamp(1.25rem, 4vw, 2rem);

  /* type */
  --display:      "Spectral", "Source Serif 4", "Iowan Old Style", Georgia, serif;
  --serif:        "Spectral", "Source Serif 4", "Iowan Old Style", Georgia, serif;
  --mono:         "Roboto Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  /* motion */
  --ease:         cubic-bezier(.2, .6, .2, 1);
  --t-fast:       .18s;
  --t-med:        .32s;
  --t-slow:       .56s;
  --t-xslow:      .9s;
}

/* ─────────────────────────  reset / base  ───────────────────────── */

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

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

a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--rule-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--t-fast) var(--ease), text-decoration-color var(--t-fast) var(--ease);
}
a:hover { color: var(--green-deep); text-decoration-color: var(--green-deep); }

cite { font-style: italic; }
em { font-style: italic; }
strong { font-weight: 600; }

::selection { background: var(--green-pastel); color: var(--ink); }

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}
.container--wide { max-width: var(--max-wide); }
.container--chart { max-width: var(--max-chart); }

.skip { position: absolute; left: -9999px; }
.skip:focus {
  left: 1rem; top: 1rem; padding: .5rem 1rem;
  background: var(--ink); color: var(--paper);
  z-index: 100; border-radius: 2px;
}

/* ─── divider con bloque central · "ladrillo" ─── */
.rule--brick {
  border: 0;
  height: 8px;
  position: relative;
  margin: clamp(2rem, 4vw, 3rem) auto;
  max-width: var(--max-wide);
}
.rule--brick::before,
.rule--brick::after {
  content: "";
  position: absolute;
  top: 50%;
  height: 1px;
  background: var(--rule);
  width: calc(50% - 14px);
  transform: translateY(-50%);
}
.rule--brick::before { left: 0; }
.rule--brick::after  { right: 0; }
.rule--brick > span {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 6px; height: 6px;
  background: var(--ink-mute);
  display: block;
}
.rule--brick.is-red    > span { background: var(--red); }
.rule--brick.is-green  > span { background: var(--green); }

/* ─────────────────────────  nav  ───────────────────────── */

.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(15, 17, 24, 0.78);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: background var(--t-med) var(--ease),
              border-color var(--t-med) var(--ease);
}
.nav.is-cream {
  background: color-mix(in oklab, var(--paper) 92%, transparent);
  border-bottom-color: var(--rule);
}

.nav__inner {
  max-width: var(--max-wide);
  display: flex; align-items: center; justify-content: space-between;
  min-height: 56px;
  font-family: var(--mono);
  font-size: .8rem;
}
.nav__brand {
  font-family: var(--mono);
  font-weight: 500;
  text-decoration: none;
  color: var(--paper-soft);
  letter-spacing: 0;
  transition: color var(--t-fast) var(--ease);
}
.nav__brand-bracket {
  color: var(--green-pastel);
  transition: color var(--t-fast) var(--ease);
}
.nav__brand-house {
  margin-left: .45em;
  font-size: 1.05em;
  line-height: 1;
  color: var(--green-pastel);
  font-weight: 400;
  letter-spacing: 0;
  vertical-align: -1px;
  transition: color var(--t-fast) var(--ease);
}
.nav.is-cream .nav__brand        { color: var(--ink); }
.nav.is-cream .nav__brand-bracket{ color: var(--green); }
.nav.is-cream .nav__brand-house  { color: var(--green); }

.nav__list {
  display: flex; gap: clamp(.55rem, 1.4vw, 1.1rem);
  list-style: none; margin: 0; padding: 0;
}
.nav__list a {
  text-decoration: none;
  color: rgba(244, 239, 226, 0.72);
  font-weight: 400;
  position: relative;
  padding-bottom: 2px;
  transition: color var(--t-fast) var(--ease);
}
.nav__list a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--green-pastel);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-med) var(--ease),
              background var(--t-fast) var(--ease);
}
.nav__list a:hover { color: var(--paper); }
.nav__list a:hover::after,
.nav__list a.is-current::after { transform: scaleX(1); }
.nav__list a.is-current { color: var(--paper); }

.nav.is-cream .nav__list a            { color: var(--ink-soft); }
.nav.is-cream .nav__list a:hover,
.nav.is-cream .nav__list a.is-current { color: var(--ink); }
.nav.is-cream .nav__list a::after     { background: var(--green); }

.nav__num {
  display: inline-block;
  font-variant-numeric: tabular-nums;
  font-size: .68rem;
  margin-right: .3rem;
  opacity: .55;
}

.nav__lang {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  margin-left: clamp(.6rem, 1.5vw, 1.2rem);
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: 0.04em;
}
.nav__lang-on {
  color: var(--paper);
  font-weight: 500;
}
.nav__lang-sep {
  color: var(--ink-mute);
  opacity: 0.6;
}
.nav__lang-off {
  color: rgba(244, 239, 226, 0.55);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease);
}
.nav__lang-off:hover { color: var(--paper); }
.nav.is-cream .nav__lang-on  { color: var(--ink); }
.nav.is-cream .nav__lang-sep { color: var(--ink-mute); }
.nav.is-cream .nav__lang-off { color: var(--ink-soft); }
.nav.is-cream .nav__lang-off:hover { color: var(--ink); }

@media (max-width: 980px) {
  .nav__list { gap: clamp(.5rem, 1.2vw, .9rem); font-size: .72rem; }
  .nav__num  { display: none; }
}
@media (max-width: 720px) {
  .nav__inner { gap: .5rem; }
  .nav__list { gap: .55rem; flex-wrap: nowrap; font-size: .72rem; }
  .nav__list a { padding: .15rem .35rem; }
  .nav__num    { display: inline-block; margin-right: 0; opacity: .9; font-size: .72rem; }
  .nav__label  { display: none; }
  .nav__lang   { margin-left: .25rem; font-size: .7rem; }
  .nav__brand  { font-size: .76rem; }
}

/* ─────────────────────────  hero (oscuro)  ───────────────────────── */

.hero {
  background: var(--ink-deep);
  color: var(--paper);
  padding: clamp(3.5rem, 9vw, 7rem) 0 clamp(4rem, 9vw, 7rem);
  position: relative;
  isolation: isolate;
  overflow: hidden;
}
/* halo verde y rojo muy tenues sobre el fondo oscuro */
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
  z-index: 0;
  border-radius: 50%;
  filter: blur(80px);
}
.hero::before {
  top: -10%; right: -10%;
  width: 50%; height: 70%;
  background: radial-gradient(circle, rgba(193, 48, 39, 0.22) 0%, transparent 65%);
}
.hero::after {
  bottom: -20%; left: -10%;
  width: 50%; height: 70%;
  background: radial-gradient(circle, rgba(47, 138, 107, 0.20) 0%, transparent 65%);
}

.hero__inner {
  max-width: var(--max-wide);
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(180px, 280px) minmax(0, 1fr);
  gap: clamp(2rem, 6vw, 4.5rem);
  align-items: center;
}
@media (max-width: 800px) {
  .hero__inner { grid-template-columns: 1fr; gap: 2rem; }
  .hero__cover { max-width: 200px; margin: 0 auto; }
}

.hero__cover {
  display: block;
  width: 100%;
  opacity: 0;
  transform: translateY(12px) translateX(-8px);
  transition: opacity var(--t-xslow) var(--ease),
              transform var(--t-xslow) var(--ease);
}
.hero__cover.is-shown {
  opacity: 1;
  transform: none;
}
.hero__cover-img {
  width: 100%;
  max-width: 280px;
  height: auto;
  display: block;
  border-radius: 1px;
  box-shadow:
    0 28px 50px -28px rgba(0, 0, 0, .65),
    0 6px 14px -8px rgba(0, 0, 0, .35);
}

.hero__copy { min-width: 0; }

.hero__kicker {
  font-family: var(--mono);
  font-size: .82rem;
  color: var(--green-pastel);
  margin: 0 0 1.5rem;
  letter-spacing: .04em;
  min-height: 1.4em;
}
.hero__kicker .caret {
  display: inline-block;
  color: var(--green-pastel);
  margin-left: .15rem;
  font-weight: 300;
  animation: blink 1.2s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%      { opacity: .15; }
}

.hero__title {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(1.5rem, 3.2vw, 2.35rem);
  line-height: 1.25;
  letter-spacing: -0.012em;
  margin: 0;
  color: var(--paper);
  max-width: 32ch;
  text-wrap: balance;
}
.hero__title em {
  font-style: italic;
  color: var(--green-pastel);
  font-weight: 500;
}
.hero__line { display: block; }
.hero__line + .hero__line { margin-top: .65em; }

/* underline animado: aparece tras terminar el typing,
   trazo de izquierda a derecha. */
.hero__title .ul {
  background-image: linear-gradient(var(--green-pastel), var(--green-pastel));
  background-repeat: no-repeat;
  background-position: 0 calc(100% - 1px);
  background-size: 0% 2px;
  padding-bottom: 3px;
  transition: background-size .85s var(--ease);
}
.hero__title .ul.is-drawn { background-size: 100% 2px; }
.hero__title .num {
  font-variant-numeric: tabular-nums;
  font-style: normal;
  font-weight: 500;
}
.hero__title .num--red   { color: var(--red-pastel); }
.hero__title .num--green { color: var(--green-pastel); }

.hero__title .word { white-space: nowrap; }
.hero__title .char { display: inline; transition: opacity .04s linear; }
.hero__title .char--pending { opacity: 0; }
.hero__title .char--em       { color: var(--green-pastel); font-style: italic; font-weight: 500; }
.hero__title .char--num-red  { color: var(--red-pastel);   font-weight: 500; font-variant-numeric: tabular-nums; }
.hero__title .char--num-green{ color: var(--green-pastel); font-weight: 500; font-variant-numeric: tabular-nums; }
.hero__title .caret-inline {
  display: inline-block;
  color: var(--green-pastel);
  font-weight: 300;
  margin-left: .03em;
  animation: blink 1.2s ease-in-out infinite;
}
.hero__title.is-typed .caret-inline { display: none; }

/* ─────────────────────────  buttons  ───────────────────────── */

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-weight: 500; font-size: .82rem;
  padding: .8rem 1.15rem;
  border-radius: 2px;
  text-decoration: none;
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer; line-height: 1;
  letter-spacing: .015em;
  transition: background var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease);
}
.btn--primary { background: var(--green); color: var(--paper); border-color: var(--green); }
.btn--primary:hover { background: var(--green-deep); border-color: var(--green-deep); }
.btn--red { background: var(--red); color: var(--paper); border-color: var(--red); }
.btn--red:hover { background: var(--red-deep); border-color: var(--red-deep); }
.btn--outline { border-color: var(--rule-strong); color: var(--ink); }
.btn--outline:hover { border-color: var(--green); color: var(--green-deep); }
.btn--lg { padding: .95rem 1.4rem; font-size: .88rem; }

/* ─────────────────────────  capítulos  ───────────────────────── */

.chapter {
  padding: clamp(2.5rem, 6vw, 4rem) 0;
  position: relative;
  isolation: isolate;
}
.chapter__inner {
  max-width: var(--max-wide);
  position: relative;
}

/* Marca de agua: número de capítulo enorme, paper-deep, detrás del título.
   Es el "toque" tipográfico que diferencia este sitio de jorgegalindo.eu. */
.chapter__bignum {
  position: absolute;
  top: -0.25em;
  left: -0.05em;
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(7rem, 16vw, 13rem);
  line-height: 0.85;
  color: var(--paper-deep);
  z-index: 0;
  pointer-events: none;
  user-select: none;
  letter-spacing: -0.05em;
  font-variant-numeric: tabular-nums;
}
.chapter__bignum::after { content: none; }

.chapter__head,
.chapter__title,
.chapter__lede,
.chapter__body,
.chapter__minread,
.chart {
  position: relative;
  z-index: 1;
}

.chapter__head {
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--ink-mute);
  margin: 0 0 .85rem;
  text-transform: lowercase;
  display: inline-flex;
  align-items: baseline;
  gap: .5rem;
}
.chapter__head .ch-num {
  color: var(--green);
  font-weight: 500;
}
.chapter--red .chapter__head .ch-num { color: var(--red); }

.chapter__title {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(1.85rem, 3.6vw, 2.65rem);
  line-height: 1.08;
  letter-spacing: -0.018em;
  margin: 0 0 1rem;
  color: var(--ink);
  text-wrap: balance;
  max-width: 22ch;
}
.chapter__lede {
  font-family: var(--display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  line-height: 1.4;
  color: var(--ink);
  margin: 0 0 1.75rem;
  max-width: 48ch;
}
.chapter__lede em       { color: var(--green-deep); font-style: italic; }
.chapter--red .chapter__lede em { color: var(--red-deep); }

.chapter__body { max-width: 56ch; }
.chapter__body p {
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.6;
  margin: 0 0 1rem;
}

.chapter__body .cap01-section-tag {
  display: flex;
  align-items: center;
  gap: .8rem;
  margin: 2.2rem 0 1.4rem;
  font-family: var(--mono);
  font-size: .72rem;
  line-height: 1;
  letter-spacing: .08em;
  text-transform: lowercase;
  color: var(--red-deep);
}
.chapter__body .cap01-section-tag::before {
  content: "";
  display: block;
  width: 28px;
  height: 1px;
  background: var(--red);
}
.chapter__body .cap01-section-tag::after {
  content: "";
  display: block;
  flex: 1;
  height: 1px;
  background: var(--rule-strong);
}
.chapter__body strong { color: var(--ink); font-weight: 600; }
.chapter--red .chapter__body strong { color: var(--ink); }

/* ─── cajitas del cuerpo del cap 01 (3 dispositivos, misma familia) ─── */

/* a · pair: contraste horizontal (antes / después) — el "after" se tiñe */
.chapter__body .cap01-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--rule-strong);
  margin: 1.1rem 0 1.25rem;
  max-width: 56ch;
  overflow: hidden;
}
.chapter__body .cap01-pair--single {
  grid-template-columns: 1fr;
  max-width: none;
}

/* Cap. 04 · paper card a todo el ancho del chapter__inner */
.chapter__inner > .cap04-paper {
  position: relative;
  z-index: 1;
  margin: 1.5rem 0 1.7rem;
  border: 1px solid var(--rule-strong);
  background: var(--red-haze);
  border-left: 3px solid var(--red);
  padding: 1.1rem 1.4rem 1.25rem;
}
.cap04-paper__tag {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .04em;
  text-transform: lowercase;
  color: var(--red-deep);
  margin: 0 0 .55rem;
  font-weight: 500;
}
.cap04-paper__body {
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--ink);
  margin: 0 0 .7rem;
  max-width: 78ch;
}
.cap04-paper__body strong { color: var(--ink); font-weight: 600; }
.cap04-paper__body em { font-style: italic; color: var(--red-deep); }
.cap04-paper__src {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .03em;
  color: var(--ink-mute);
  margin: 0;
  padding-top: .5rem;
  border-top: 1px dashed var(--rule);
}
.cap04-paper__src a { color: var(--ink-soft); text-decoration: none; }
.cap04-paper__src a:hover { color: var(--red-deep); }
@media (max-width: 720px) {
  .chapter__inner > .cap04-paper { padding: .95rem 1.05rem 1rem; }
  .cap04-paper__body { font-size: .95rem; }
}

/* ─────────────────────────────────────────────────────────────
   Anchos homogéneos en todos los capítulos
   Todo a la misma columna (max-chart, 920px) · sin splits 2/3 cols
   ───────────────────────────────────────────────────────────── */
#porque-no .chapter__body,
#crisis    .chapter__body,
#construir .chapter__body,
#regular   .chapter__body,
#construir .chapter__inner > .cap03-sim,
#construir .chapter__inner > .cap03-tabs,
#regular   .chapter__inner > .cap04-paper,
#regular   .chapter__inner > .cap03-tabs,
#porque-no .chapter__minread,
#crisis    .chapter__minread,
#construir .chapter__minread,
#regular   .chapter__minread {
  max-width: var(--max-chart);
}
#construir .chapter__inner > .cap03-tabs,
#construir .chapter__inner > .cap03-sim,
#regular   .chapter__inner > .cap03-tabs { margin-left: 0; margin-right: 0; }

#regular .chapter__body .cap01-procedure,
#regular .chapter__body .cap01-procedure--3cols {
  grid-template-columns: 1fr;
  max-width: var(--max-chart);
}

/* ─────────────────────────────────────────────────────────────
   /evaluacionambiental · caso extremo
   Reusa la paleta y la tipografía del sitio principal y añade
   bloques específicos: hero, cards de marco normativo, timeline
   horizontal de 6 casos, casos detallados, cierre.
   ───────────────────────────────────────────────────────────── */

.ev-hero {
  position: relative;
  padding: clamp(5rem, 10vw, 8rem) 0 clamp(3rem, 6vw, 5rem);
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
}
.ev-hero__inner {
  max-width: var(--max-chart);
  padding: 0 var(--gutter);
  margin: 0 auto;
}
.ev-hero__kicker {
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--red-deep);
  margin: 0 0 1rem;
  text-transform: lowercase;
}
.ev-hero__title {
  font-family: var(--display);
  font-weight: 400;
  font-style: italic;
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  line-height: 1.18;
  color: var(--ink);
  margin: 0 0 1.4rem;
  max-width: 32ch;
  text-wrap: balance;
}
.ev-hero__line { display: block; }
.ev-hero__line + .ev-hero__line { margin-top: .35em; }
.ev-hero__sub {
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0;
  max-width: 64ch;
}

.ev-section {
  padding: clamp(3rem, 6vw, 5rem) 0;
}

.ev-section .chapter__inner {
  max-width: var(--max-chart);
  padding: 0 var(--gutter);
  margin: 0 auto;
}
.ev-section .chapter__body {
  max-width: var(--max-chart);
}

/* Tres tarjetas (marco / nulidad) — same family as cap01-mech */
.ev-tres {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .65rem;
  margin: 1.5rem 0 1.75rem;
  max-width: var(--max-chart);
}
.ev-tres--two { grid-template-columns: repeat(2, 1fr); }
.ev-tres__card {
  border: 1px solid var(--rule-strong);
  background: var(--paper-soft);
  padding: 1rem 1.05rem 1.1rem;
  display: flex;
  flex-direction: column;
}
.chapter--red .ev-tres__card { background: var(--red-haze); border-left: 2px solid var(--red); }
.ev-tres__tag {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .05em;
  text-transform: lowercase;
  color: var(--red-deep);
  margin: 0 0 .35rem;
  font-weight: 500;
}
.ev-tres__head {
  font-family: var(--display);
  font-style: italic;
  font-size: 1.1rem;
  line-height: 1.2;
  color: var(--ink);
  margin: 0 0 .45rem;
}
.ev-tres__body {
  font-family: var(--serif);
  font-size: .95rem;
  line-height: 1.45;
  color: var(--ink-soft);
  margin: 0;
}
.ev-tres__body strong { color: var(--ink); font-weight: 600; }
.ev-tres__body em { color: var(--red-deep); font-style: italic; }
@media (max-width: 720px) {
  .ev-tres { grid-template-columns: 1fr; }
}

/* Timeline horizontal · 6 casos · 30 años */
.ev-timeline-fig {
  margin: 2rem 0 1.25rem;
}
.ev-timeline-fig__plot {
  background: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 1rem .5rem .25rem;
}
.ev-timeline-fig__plot svg {
  width: 100%;
  height: auto;
  font-family: var(--mono);
}
.ev-timeline-fig__caption {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .02em;
  color: var(--ink-mute);
  margin: .6rem 0 0;
  max-width: 78ch;
  line-height: 1.45;
}
.ev-tl-axis line { stroke: #0F1118; stroke-width: 1; }
.ev-tl-axis text {
  font-size: 10px;
  fill: var(--ink-soft);
}
.ev-tl-axis-title {
  font-size: 11px;
  fill: var(--ink-mute);
  text-anchor: middle;
}
.ev-tl-row-name {
  font-family: var(--mono);
  font-size: 10.5px;
  fill: var(--ink);
  font-weight: 500;
}
.ev-tl-mark {
  font-family: var(--mono);
  font-size: 9.5px;
  fill: var(--ink-soft);
}
.ev-tl-row-end {
  font-family: var(--mono);
  font-size: 10px;
  fill: var(--red-deep);
  font-weight: 500;
}
.ev-tl-legal-label {
  font-family: var(--mono);
  font-size: 10px;
  fill: var(--green-deep);
  font-weight: 500;
}

/* Casos detallados · 6 tarjetas grandes */
.ev-casos {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
  margin: 1.5rem 0 1rem;
  max-width: var(--max-chart);
}
.ev-caso {
  border: 1px solid var(--rule-strong);
  background: var(--paper-soft);
  padding: 1.4rem 1.5rem 1.5rem;
  position: relative;
}
.chapter--red .ev-caso { background: rgba(245, 198, 191, 0.18); border-left: 3px solid var(--red); }
.ev-caso__tag {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .05em;
  text-transform: lowercase;
  color: var(--red-deep);
  margin: 0 0 .4rem;
  font-weight: 500;
}
.ev-caso__titulo {
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.45rem;
  line-height: 1.18;
  color: var(--ink);
  margin: 0 0 .55rem;
}
.ev-caso__lede {
  font-family: var(--display);
  font-style: italic;
  font-size: 1.08rem;
  line-height: 1.4;
  color: var(--ink);
  margin: 0 0 .9rem;
}
.ev-caso__hechos {
  list-style: none;
  padding: 0;
  margin: 0 0 .9rem;
  font-family: var(--serif);
  font-size: .95rem;
  color: var(--ink-soft);
}
.ev-caso__hechos li {
  padding-left: 1.1rem;
  position: relative;
  margin-bottom: .35rem;
  line-height: 1.45;
}
.ev-caso__hechos li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--red);
  font-family: var(--mono);
  top: .05em;
}
.ev-caso__hechos strong { color: var(--ink); font-weight: 600; }
.ev-caso__por-que {
  font-family: var(--mono);
  font-size: .82rem;
  line-height: 1.5;
  color: var(--ink-soft);
  margin: 0;
  padding-top: .8rem;
  border-top: 1px dashed var(--rule);
  letter-spacing: .005em;
}
.ev-caso__por-que em { color: var(--red-deep); font-style: italic; }

/* Quote · doctrina */
.ev-quote {
  border-left: 3px solid var(--red);
  background: var(--red-haze);
  padding: 1rem 1.4rem 1.05rem;
  margin: 1.4rem 0 1.2rem;
  max-width: var(--max-chart);
}
.ev-quote p {
  font-family: var(--display);
  font-style: italic;
  font-size: 1.1rem;
  line-height: 1.45;
  color: var(--ink);
  margin: 0;
}

/* Lista CCAA */
.ev-ccaa-list {
  list-style: none;
  padding: 0;
  margin: 1.4rem 0 1.2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .6rem;
  max-width: var(--max-chart);
}
.ev-ccaa-list li {
  border: 1px solid var(--rule-strong);
  background: var(--red-haze);
  padding: .85rem 1.05rem 1rem;
}
.ev-ccaa-list__head {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .05em;
  text-transform: lowercase;
  color: var(--red-deep);
  margin: 0 0 .35rem;
  font-weight: 500;
}
.ev-ccaa-list__body {
  font-family: var(--serif);
  font-size: .95rem;
  line-height: 1.45;
  color: var(--ink-soft);
  margin: 0;
}
.ev-ccaa-list__body strong { color: var(--ink); font-weight: 600; }
@media (max-width: 720px) {
  .ev-ccaa-list { grid-template-columns: 1fr; }
}

/* Lista de fixes */
.ev-fixes {
  list-style: none;
  padding: 0;
  margin: 1rem 0 1.5rem;
  font-family: var(--serif);
  font-size: 1.02rem;
  color: var(--ink);
  max-width: var(--max-chart);
}
.ev-fixes li {
  padding-left: 1.4rem;
  position: relative;
  margin-bottom: .55rem;
  line-height: 1.5;
}
.ev-fixes li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--red);
}
.ev-fixes li strong { font-weight: 600; }

/* Cierre con CTA */
.ev-cierre {
  background: var(--paper-soft);
  border-top: 1px solid var(--rule);
  padding: clamp(3rem, 6vw, 5rem) 0;
}
.ev-cierre__inner {
  max-width: var(--max-chart);
  padding: 0 var(--gutter);
  margin: 0 auto;
  text-align: left;
}
.ev-cierre__head {
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: .06em;
  text-transform: lowercase;
  color: var(--green-deep);
  margin: 0 0 .8rem;
}
.ev-cierre__title {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(1.6rem, 3.2vw, 2.3rem);
  line-height: 1.15;
  color: var(--ink);
  margin: 0 0 .9rem;
  max-width: 22ch;
}
.ev-cierre__body {
  font-family: var(--serif);
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0 0 1.4rem;
  max-width: 60ch;
}
.ev-cierre__buttons {
  display: flex;
  gap: .8rem;
  flex-wrap: wrap;
}
.chapter__body .cap01-pair__card {
  padding: .85rem 1rem .95rem;
  border-right: 1px dashed var(--rule-strong);
  background: var(--paper-soft);
}
.chapter__body .cap01-pair__card:last-child {
  border-right: none;
  background: var(--red-haze);
}
.chapter__body .cap01-pair__tag {
  font-family: var(--mono);
  font-size: .7rem;
  line-height: 1.3;
  letter-spacing: .05em;
  text-transform: lowercase;
  color: var(--ink-soft);
  margin: 0 0 .4rem;
}
.chapter__body .cap01-pair__card:last-child .cap01-pair__tag { color: var(--red-deep); }
.chapter__body .cap01-pair__body {
  font-family: var(--mono);
  font-size: .85rem;
  line-height: 1.5;
  color: var(--ink);
  margin: 0;
  letter-spacing: .005em;
}

/* b · procedure: 4 recuadros con 4 intensidades suaves de rojo */
.chapter__body .cap01-procedure {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .55rem;
  margin: 1.1rem 0 1.25rem;
  max-width: 56ch;
}
.chapter__body .cap01-procedure__step {
  border: 1px solid var(--rule-strong);
  padding: .8rem .9rem .85rem;
}
.chapter__body .cap01-procedure__step:nth-child(1) { background: rgba(245, 198, 191, 0.18); }
.chapter__body .cap01-procedure__step:nth-child(2) { background: rgba(245, 198, 191, 0.34); }
.chapter__body .cap01-procedure__step:nth-child(3) { background: rgba(245, 198, 191, 0.50); }
.chapter__body .cap01-procedure__step:nth-child(4) { background: rgba(245, 198, 191, 0.66); }
.chapter__body .cap01-procedure--3cols { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 600px) {
  .chapter__body .cap01-procedure--3cols { grid-template-columns: 1fr; }
}
.chapter__body .cap01-procedure__num {
  font-family: var(--mono);
  font-size: .7rem;
  line-height: 1.3;
  letter-spacing: .06em;
  text-transform: lowercase;
  color: var(--red-deep);
  margin: 0 0 .35rem;
}
.chapter__body .cap01-procedure__body {
  font-family: var(--mono);
  font-size: .82rem;
  line-height: 1.45;
  color: var(--ink);
  margin: 0;
  letter-spacing: .005em;
}

/* c · mech: cajas apiladas, fondo red-haze + borde rojo a la izquierda */
.chapter__body .cap01-mech {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  margin: 1.1rem 0 1.25rem;
  max-width: 56ch;
}
.chapter__body .cap01-mech__card {
  border-left: 2px solid var(--red);
  background: var(--red-haze);
  padding: .75rem 1rem .85rem;
}
.chapter__body .cap01-mech__head {
  font-family: var(--mono);
  font-size: .78rem;
  line-height: 1.3;
  letter-spacing: .04em;
  text-transform: lowercase;
  color: var(--red-deep);
  margin: 0 0 .35rem;
  font-weight: 500;
}
.chapter__body .cap01-mech__body {
  font-family: var(--mono);
  font-size: .85rem;
  line-height: 1.55;
  color: var(--ink);
  margin: 0;
  letter-spacing: .005em;
}

@media (max-width: 600px) {
  .cap01-pair { grid-template-columns: 1fr; }
  .cap01-pair__card { border-right: none; border-bottom: 1px dashed var(--rule-strong); }
  .cap01-pair__card:last-child { border-bottom: none; }
  .cap01-procedure { grid-template-columns: 1fr; }
}

.chapter__minread {
  border-left: 2px solid var(--green);
  padding: .25rem 0 .25rem 1rem;
  margin: 1.75rem 0;
  max-width: 52ch;
}
.chapter__minread--top {
  margin: 0 0 2rem;
  max-width: 56ch;
}
.chapter--red .chapter__minread { border-left-color: var(--red); }
.chapter__minread-head {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .04em;
  text-transform: lowercase;
  color: var(--green-deep);
  margin: 0 0 .35rem;
}
.chapter--red .chapter__minread-head { color: var(--red-deep); }
.chapter__minread-body {
  font-family: var(--mono);
  font-style: normal;
  font-size: .92rem;
  line-height: 1.55;
  color: var(--ink);
  margin: 0;
  letter-spacing: .005em;
}
.chapter__minread--top .chapter__minread-body {
  font-size: 1rem;
  line-height: 1.6;
}

.chapter__placeholder {
  font-family: var(--mono);
  font-size: .85rem;
  color: var(--ink-mute);
  letter-spacing: .02em;
  margin: 1rem 0 0;
  padding: .85rem 1rem;
  border: 1px dashed var(--rule-strong);
  border-radius: 2px;
  max-width: 52ch;
  background: var(--paper-soft);
}

/* ─────────────────────────  charts (D3, Roboto Mono)  ───────────────────────── */

.chart {
  margin: 2rem auto 1rem;
  max-width: var(--max-chart);
  font-family: var(--mono);
}
.chart__head {
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .04em;
  text-transform: lowercase;
  color: var(--ink-mute);
  margin: 0 0 .25rem;
}
.chart__title {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 1rem;
  line-height: 1.3;
  margin: 0 0 .25rem;
  color: var(--ink);
  letter-spacing: 0;
  text-transform: lowercase;
}
.chart__sub {
  font-family: var(--mono);
  font-style: normal;
  font-size: .82rem;
  color: var(--ink-soft);
  margin: 0 0 1rem;
  max-width: 60ch;
  letter-spacing: .01em;
}
.chart__legend {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: .76rem;
  color: var(--ink-soft);
  margin: 0 0 .6rem;
  letter-spacing: .02em;
  text-transform: lowercase;
}
.chart__legend-swatch {
  display: inline-block;
  width: 14px; height: 3px;
  margin-right: .45rem;
  vertical-align: 4px;
}
.chart__plot {
  background: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: .75rem .35rem .25rem;
  overflow: hidden;
}
.chart__plot--diagram {
  padding: 1rem .25rem .5rem;
}
.chart__plot svg {
  font-family: var(--mono) !important;
  font-size: 11px;
  display: block;
  width: 100%;
  height: auto;
}
.chart__plot svg text { font-family: var(--mono) !important; }
.chart__source {
  font-family: var(--mono);
  font-size: .7rem;
  color: var(--ink-mute);
  margin: .5rem 0 0;
  letter-spacing: .02em;
}
.chart__readout {
  font-family: var(--display);
  font-style: italic;
  font-size: 1rem;
  line-height: 1.55;
  color: var(--ink);
  margin: 1rem 0 0;
  max-width: 60ch;
}
.chart__readout strong {
  color: var(--green-deep);
  font-weight: 500;
  font-style: normal;
  font-variant-numeric: tabular-nums;
}
.chart__readout strong.red { color: var(--red-deep); }


/* ─────────────────────────  cierre / libro  ───────────────────────── */

.book-close {
  padding: clamp(2.5rem, 5vw, 4rem) 0;
  background: var(--paper-soft);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.book-close__inner {
  max-width: var(--max-wide);
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}
@media (max-width: 800px) {
  .book-close__inner { grid-template-columns: 1fr; gap: 1.5rem; }
  .book-close__cover { max-width: 200px; }
}
.book-close__cover-img {
  width: 100%;
  max-width: 280px;
  height: auto;
  display: block;
  border-radius: 1px;
  box-shadow:
    0 22px 40px -22px rgba(35, 38, 49, .35),
    0 4px 12px -8px rgba(35, 38, 49, .15);
}
.book-close__copy { max-width: 56ch; }
.book-close__head {
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--ink-mute);
  margin: 0 0 .85rem;
  text-transform: lowercase;
}
.book-close__title {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  line-height: 1.1;
  margin: 0 0 .35rem;
  letter-spacing: -0.012em;
}
.book-close__sub {
  font-family: var(--display);
  font-style: italic;
  color: var(--green-deep);
  margin: 0 0 1.25rem;
  font-size: 1.15rem;
}
.book-close__copy p {
  font-family: var(--serif);
  font-size: 1.02rem;
  line-height: 1.55;
  color: var(--ink);
  margin: 0 0 1rem;
}
.book-close__buy { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; margin-top: .25rem; }

/* ─────────────────────────  footer  ───────────────────────── */

.footer {
  padding: clamp(2.5rem, 5vw, 3.5rem) 0 1.25rem;
  background: var(--ink-deep);
  color: var(--paper);
}
.footer__inner {
  max-width: var(--max-wide);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--rule-dark);
}
.footer__write { display: flex; flex-direction: column; gap: .5rem; }
.footer__label {
  font-family: var(--mono);
  font-size: .72rem;
  color: var(--green-pastel);
  margin: 0;
  letter-spacing: .04em;
  text-transform: lowercase;
}
.footer__author {
  font-family: var(--display);
  font-style: italic;
  font-size: clamp(1.4rem, 3vw, 1.95rem);
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--rule-dark);
  padding-bottom: 2px;
  letter-spacing: -0.005em;
  transition: color var(--t-fast) var(--ease), border-bottom-color var(--t-fast) var(--ease);
}
.footer__author:hover { color: var(--green-pastel); border-bottom-color: var(--green-pastel); }
.footer__links {
  list-style: none; padding: 0; margin: 0;
  display: flex; gap: 1.25rem;
  font-family: var(--mono);
  font-size: .85rem;
  flex-wrap: wrap;
}
.footer__links a { color: rgba(244, 239, 226, 0.72); text-decoration: none; }
.footer__links a:hover { color: var(--green-pastel); }
.footer__bottom {
  max-width: var(--max-wide);
  padding-top: 1rem;
  font-family: var(--mono);
  font-size: .72rem;
  color: rgba(244, 239, 226, 0.55);
  letter-spacing: .02em;
}
.footer__bottom p { margin: 0 0 .35rem; }
.footer__bottom p:last-child { margin-bottom: 0; }
.footer__attrib { font-size: .68rem; color: rgba(244, 239, 226, 0.45); }
.footer__attrib a { color: rgba(244, 239, 226, 0.62); text-decoration: none; }
.footer__attrib a:hover { color: var(--green-pastel); }

/* ─────────────────────────  reveal  ───────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--t-slow) var(--ease),
              transform var(--t-slow) var(--ease);
}
.reveal.is-in { opacity: 1; transform: none; }

/* ─────────────────────────────────────────────────────────────
   Cap. 03.a · Simulador del cuánto
   ───────────────────────────────────────────────────────────── */
.cap03-sim__intro {
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--ink-soft);
  max-width: 64ch;
  margin: 0 0 1.4rem;
}
.cap03-sim__intro em { color: var(--ink-mute); font-style: normal; font-family: var(--mono); font-size: 0.85em; }

.cap03-sim {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  background: var(--paper-soft);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 1.5rem 1.6rem;
  margin-bottom: 2rem;
}
.cap03-sim__chart svg { width: 100%; height: auto; display: block; }

.cap03-sim__axis line { stroke: var(--ink); stroke-width: 1; }
.cap03-sim__axis-label,
.cap03-sim__axis-y {
  font-family: var(--mono);
  font-size: 11px;
  fill: var(--ink-soft);
}

.cap03-sim__target line { stroke: var(--ink-mute); stroke-width: 0.8; }
.cap03-sim__target text {
  font-family: var(--mono);
  font-size: 10px;
  fill: var(--ink-mute);
}

.cap03-sim__curve {
  fill: none;
  stroke-width: 2.4;
  stroke-linejoin: round;
}
.cap03-sim__curve--need  { stroke: var(--ink-soft); stroke-dasharray: 6 3; }
.cap03-sim__curve--build { stroke: var(--green-deep); }

.cap03-sim__legend line {
  stroke-width: 2.4;
}
.cap03-sim__legend text {
  font-family: var(--mono);
  font-size: 10px;
  fill: var(--ink-soft);
}

.cap03-sim__cross { opacity: 0; transition: opacity 0.3s var(--ease); }
.cap03-sim__cross.is-on { opacity: 1; }
.cap03-sim__cross circle { fill: var(--red); }
.cap03-sim__cross-line { stroke: var(--red); stroke-width: 1; stroke-dasharray: 2 2; }
.cap03-sim__cross-label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  fill: var(--red);
}

.cap03-sim__controls {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
}
.cap03-sim__slider-label {
  display: grid;
  gap: 0.45rem;
}
.cap03-sim__slider-text {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: lowercase;
  color: var(--red);
}
.cap03-sim__slider-value {
  font-family: var(--serif);
  font-size: 1.1rem;
  color: var(--ink);
}
.cap03-sim__slider-value strong {
  font-weight: 600;
  font-size: 1.4rem;
  color: var(--green-deep);
  font-variant-numeric: tabular-nums;
}
.cap03-sim__slider {
  width: 100%;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  margin: 0.4rem 0 0;
}
.cap03-sim__slider::-webkit-slider-runnable-track {
  height: 6px;
  background: linear-gradient(to right, var(--green) 0%, var(--green-pastel) 100%);
  border-radius: 3px;
}
.cap03-sim__slider::-moz-range-track {
  height: 6px;
  background: var(--green);
  border-radius: 3px;
}
.cap03-sim__slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--red);
  border: 3px solid var(--paper);
  margin-top: -8px;
  box-shadow: 0 2px 6px rgba(26, 28, 36, 0.25);
  cursor: pointer;
}
.cap03-sim__slider::-moz-range-thumb {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--red);
  border: 3px solid var(--paper);
  box-shadow: 0 2px 6px rgba(26, 28, 36, 0.25);
  cursor: pointer;
}
.cap03-sim__slider-marks {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-mute);
  letter-spacing: 0.02em;
  margin-top: 0.2rem;
}

.cap03-sim__outputs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  border-top: 1px dashed var(--rule);
  padding-top: 1.1rem;
}
.cap03-sim__output {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.cap03-sim__output-num {
  font-family: var(--display);
  font-size: 2rem;
  font-weight: 500;
  color: var(--red);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.cap03-sim__output-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  color: var(--ink-soft);
  line-height: 1.3;
}

@media (max-width: 720px) {
  .cap03-sim { padding: 1.2rem 1.1rem; }
  .cap03-sim__outputs { grid-template-columns: 1fr; gap: 0.7rem; }
  .cap03-sim__output-num { font-size: 1.6rem; }
  .cap03-sim__slider-marks { font-size: 9px; }
}

/* ─────────────────────────────────────────────────────────────
   Cap. 03 · Construir · subapartados y fichas-palanca
   ───────────────────────────────────────────────────────────── */
.cap03__sub {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: lowercase;
  color: var(--red);
  margin: clamp(2.5rem, 5vw, 4rem) 0 1.2rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--rule);
  font-weight: 500;
}
.cap03__intro {
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0 0 1.6rem;
  max-width: 64ch;
}

/* Archivador clásico: 7 pestañas escalonadas en diagonal arriba-derecha,
   cada una con un tono de verde. La activa se pega al panel principal,
   donde se renderiza la ficha completa. */
.cap03-tabs {
  position: relative;
  max-width: var(--max-wide);
  margin: 1rem 0 2rem;
}

.cap03-tabs__nav {
  display: flex;
  gap: 4px;
  margin-bottom: -1px;
  flex-wrap: wrap;
}
.cap03-tab {
  flex: 1 1 0;
  min-width: 5.5rem;
  background: var(--tone, var(--green));
  border: 0;
  border-radius: 5px 5px 0 0;
  padding: 0.65rem 0.8rem 0.85rem;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  color: var(--paper-soft);
  transition: filter var(--t-fast) var(--ease), padding var(--t-fast) var(--ease);
}
.cap03-tab:hover { filter: brightness(1.1); }
.cap03-tab.is-active {
  padding-bottom: 1.05rem;
  position: relative;
  z-index: 2;
}
.cap03-tab__num {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  font-weight: 500;
  opacity: 0.8;
}
.cap03-tab__title {
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  text-transform: lowercase;
  line-height: 1.2;
}

/* Panel principal: la ficha activa se renderiza aquí */
.cap03-tabs__panel {
  position: relative;
  background: var(--paper-soft);
  border: 1px solid var(--rule-strong);
  border-radius: 0 5px 5px 5px;
  padding: 1.6rem 1.8rem 1.5rem;
  z-index: 50;
  min-height: 16rem;
}
.cap03-ficha { display: none; }
.cap03-ficha.is-active { display: block; }
.cap03-ficha__titulo {
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.65rem;
  line-height: 1.15;
  letter-spacing: -0.012em;
  margin: 0 0 0.85rem;
  color: var(--ink);
}
.cap03-ficha__def {
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.5;
  margin: 0 0 0.95rem;
  color: var(--ink);
}
.cap03-ficha__cita {
  font-family: var(--serif);
  font-style: italic;
  font-size: 0.94rem;
  line-height: 1.45;
  border-left: 2px solid var(--rule);
  padding: 0.1rem 0 0.1rem 0.85rem;
  margin: 0 0 0.95rem;
  color: var(--ink-soft);
}
.cap03-ficha__cita em { font-style: normal; font-weight: 500; color: var(--ink); }
.cap03-ficha__supp {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: lowercase;
  color: var(--ink-mute);
  margin: 0 0 0.55rem;
}
.cap03-ficha__casos {
  list-style: none;
  padding: 0;
  margin: 0 0 0.85rem;
  font-family: var(--serif);
  font-size: 0.92rem;
  color: var(--ink-soft);
}
.cap03-ficha__casos li {
  padding-left: 1rem;
  position: relative;
  margin-bottom: 0.32rem;
  line-height: 1.4;
}
.cap03-ficha__casos li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--red);
  font-family: var(--mono);
}
.cap03-ficha__cite {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--ink-mute);
  margin: auto 0 0;
  padding-top: 0.6rem;
  border-top: 1px dashed var(--rule);
}

@media (max-width: 900px) {
  .cap03-tabs__nav {
    gap: 3px;
    flex-wrap: nowrap;
  }
  .cap03-tab {
    flex: 1 1 0;
    min-width: 0;
    padding: 0.55rem 0.4rem 0.7rem;
    text-align: center;
    align-items: center;
  }
  /* Sólo número visible en móvil, las pestañas quedan más estrechas */
  .cap03-tab__title { display: none; }
  .cap03-tab__num {
    font-size: 0.95rem;
    opacity: 1;
  }
  .cap03-tabs__panel { padding: 1.15rem 1.2rem 1rem; }
  .cap03-ficha__titulo { font-size: 1.3rem; }
  .cap03-ficha__def { font-size: 0.95rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .reveal      { opacity: 1; transform: none; }
  .hero__cover { opacity: 1; transform: none; }
}

/* ─────────────────────────────────────────────────────────────
   Cap. 01 · Mapa de Madrid + scrollytelling
   ───────────────────────────────────────────────────────────── */
.cap01-mapa {
  position: relative;
  width: 100%;
  margin-top: clamp(2rem, 4vw, 3.5rem);
  display: grid;
  grid-template-columns: 1fr minmax(320px, 420px);
  gap: clamp(1.5rem, 4vw, 3rem);
  padding: 0 var(--gutter);
  max-width: var(--max-wide);
  margin-left: auto;
  margin-right: auto;
}
.cap01-mapa__sticky {
  position: sticky;
  top: 72px;
  height: calc(100vh - 96px);
  min-height: 520px;
  background: var(--paper);
  border: 1px solid var(--rule);
  overflow: hidden;
}
.cap01-mapa__map {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.cap01-mapa__map .maplibregl-canvas { outline: none; }
.cap01-mapa__map .maplibregl-ctrl-attrib {
  font-family: var(--mono);
  font-size: 10px;
  background: rgba(244, 239, 226, 0.85);
  color: var(--ink-soft);
}
.cap01-mapa__legend {
  position: absolute;
  bottom: 1.25rem;
  left: 1rem;
  max-width: 280px;
  background: rgba(244, 239, 226, 0.92);
  border-left: 2px solid var(--red);
  padding: 0.6rem 0.8rem;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-soft);
  z-index: 2;
  transition: border-color var(--t-med) var(--ease);
}
.cap01-mapa__legend-title {
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--red);
  margin: 0 0 0.25rem;
}
.cap01-mapa__legend-body { margin: 0; }

.cap01-mapa__steps {
  display: flex;
  flex-direction: column;
  gap: 30vh;
  padding: 30vh 0 40vh;
}
.cap01-step {
  background: var(--paper-soft);
  border-left: 2px solid var(--rule);
  padding: 1.1rem 1.25rem;
  font-family: var(--serif);
  font-size: 1.02rem;
  line-height: 1.55;
  color: var(--ink);
  opacity: 0.55;
  transition: opacity var(--t-med) var(--ease), border-color var(--t-med) var(--ease), background var(--t-med) var(--ease);
}
.cap01-step.is-active {
  opacity: 1;
  border-left-color: var(--red);
  background: var(--paper);
}
.cap01-step p { margin: 0 0 0.8rem; }
.cap01-step p:last-child { margin-bottom: 0; }
.cap01-step__tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.6rem !important;
}
.cap01-step--cierre {
  background: transparent;
  border-left-color: var(--red);
}
.cap01-step__sub {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--red);
  margin: 1.2rem 0 0.5rem !important;
}
.cap01-step__bullets {
  list-style: none;
  padding: 0;
  margin: 0 0 0.6rem;
}
.cap01-step__bullets li {
  position: relative;
  padding-left: 1.1rem;
  margin-bottom: 0.55rem;
  font-size: 0.96rem;
  line-height: 1.5;
}
.cap01-step__bullets li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--red);
  font-weight: 500;
}
.cap01-step__bullets li em {
  color: var(--ink-soft);
  font-style: normal;
  font-family: var(--mono);
  font-size: 0.85em;
  letter-spacing: 0.02em;
}

/* Variante con puntitos unidos por línea discontinua */
.cap01-step__bullets--dotted li {
  padding-left: 1.4rem;
}
.cap01-step__bullets--dotted li::before {
  content: "";
  position: absolute;
  left: 0.25rem;
  top: 0.55rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--red);
}
.cap01-step__bullets--dotted li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 0.45rem;
  top: 1.05rem;
  bottom: -0.55rem;
  width: 0;
  border-left: 1px dashed var(--red);
  opacity: 0.5;
}

.cap01-pin {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--red);
  border: 2px solid var(--paper-soft);
  box-shadow: 0 2px 6px rgba(26, 28, 36, 0.25);
  cursor: pointer;
  transition: transform var(--t-med) var(--ease), box-shadow var(--t-med) var(--ease);
}
.cap01-pin.is-active {
  transform: scale(1.55);
  box-shadow: 0 0 0 8px rgba(193, 48, 39, 0.18), 0 4px 10px rgba(26, 28, 36, 0.3);
}
.cap01-pin.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.4);
}

@media (max-width: 900px) {
  .cap01-mapa {
    grid-template-columns: 1fr;
    padding: 0;
  }
  .cap01-mapa__sticky {
    top: 56px;
    height: 48vh;
    min-height: 320px;
    border-left: none;
    border-right: none;
  }
  .cap01-mapa__steps {
    padding: 3vh var(--gutter) 24vh;
    gap: 0;
  }
  /* En móvil cada step se desvanece cuando inactivo (igual patrón que los otros bloques),
     para que no quede tapado a medias por el bg paper del sticky. */
  .cap01-step {
    min-height: 60vh;
    margin-bottom: 0;
    padding: 0.9rem 1.1rem;
    font-size: 0.95rem;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s var(--ease), transform 0.4s var(--ease);
    pointer-events: none;
  }
  .cap01-step.is-active {
    opacity: 1;
    transform: none;
    pointer-events: auto;
    border-left-color: var(--red);
    background: transparent;
  }
  /* El step de cierre lleva mucho copy (casos + cifras): le damos fondo
     translúcido en móvil para que se lea por encima del mapa sticky. */
  .cap01-step--cierre,
  .cap01-step--cierre.is-active {
    background: rgba(244, 239, 226, 0.94);
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
    padding: 1.1rem 1.2rem;
    border-left-color: var(--red);
  }
  .cap01-mapa__legend { max-width: 180px; bottom: 0.6rem; font-size: 10px; }
}

/* ─────────────────────────────────────────────────────────────
   Cap. 01 · Bloque 2 · Edificio isométrico
   ───────────────────────────────────────────────────────────── */
.cap01-edif__intro {
  margin-top: clamp(3rem, 6vw, 5rem);
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}
.cap01-edif__title {
  font-family: var(--display);
  font-size: clamp(1.6rem, 3.2vw, 2.2rem);
  line-height: 1.15;
  margin: 0 0 0.5rem;
  color: var(--ink);
}
.cap01-edif__lede {
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--ink-soft);
  max-width: 60ch;
  margin: 0;
}

.cap01-edif {
  position: relative;
  display: grid;
  grid-template-columns: 1fr minmax(320px, 420px);
  gap: clamp(1.5rem, 4vw, 3rem);
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.cap01-edif__sticky {
  position: sticky;
  top: 72px;
  height: calc(100vh - 96px);
  min-height: 520px;
  display: grid;
  place-items: center;
}
.cap01-edif__stage {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  transition: transform 1.1s var(--ease);
}
.cap01-edif__svg {
  width: 56%;
  height: auto;
  max-height: 95%;
  transition: transform 0.55s var(--ease);
  transform-origin: 50% 50%;
}

/* Cambios de cámara por step.
   El viewBox reserva aire arriba para las líneas comparativas (sólo se usan en el step A),
   por lo que en los demás steps subimos el SVG para centrar el edificio en la mitad superior. */
.cap01-edif__stage[data-step="0"]      .cap01-edif__svg { transform: scale(0.92) translate(0, 0); }
.cap01-edif__stage[data-step="A"]      .cap01-edif__svg { transform: scale(0.92) translate(0, 0); }
.cap01-edif__stage[data-step="B"]      .cap01-edif__svg { transform: scale(1.30) translate(0, -16%); }
.cap01-edif__stage[data-step="C"]      .cap01-edif__svg { transform: scale(1.30) translate(0, -16%); }
.cap01-edif__stage[data-step="cierre"] .cap01-edif__svg { transform: scale(1.30) translate(0, -16%); }

/* Capas SVG */
.cap01-edif-layer { transition: opacity 0.45s var(--ease); }
.cap01-edif-layer--A,
.cap01-edif-layer--B,
.cap01-edif-layer--C { opacity: 0; pointer-events: none; }
.cap01-edif__stage[data-step="A"] .cap01-edif-layer--A { opacity: 1; }
.cap01-edif__stage[data-step="B"] .cap01-edif-layer--B { opacity: 1; }
.cap01-edif__stage[data-step="C"] .cap01-edif-layer--C { opacity: 1; }

/* Edificio aspiracional vs construido. En step 0 y cierre se ve el alto
   (8 plantas, Chamartín). A partir del step A, el edificio "se corta"
   a 6 plantas (PAUs recientes oeste de Barajas): el alto queda como
   silueta tenue y el corto pasa a sólido. */
.cap01-edif-layer--short { opacity: 0; }
.cap01-edif__stage[data-step="A"]      .cap01-edif-layer--tall,
.cap01-edif__stage[data-step="B"]      .cap01-edif-layer--tall,
.cap01-edif__stage[data-step="C"]      .cap01-edif-layer--tall { opacity: 0.18; }
.cap01-edif__stage[data-step="A"]      .cap01-edif-layer--short,
.cap01-edif__stage[data-step="B"]      .cap01-edif-layer--short,
.cap01-edif__stage[data-step="C"]      .cap01-edif-layer--short { opacity: 1; }

.cap01-edif-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  fill: var(--ink-soft);
}
.cap01-edif-label--red { fill: var(--red); }
.cap01-edif-label--green { fill: var(--green); }
.cap01-edif-label--ambar { fill: #B98715; }
.cap01-edif-label--ink { fill: var(--ink); }

/* Steps en columna lateral.
   Cada step tiene altura suficiente para mantener al sticky pinneado y
   sólo se ve mientras emerge en la franja inferior del viewport.
   Cuando sube y deja esa franja, hace fade-out y desaparece (no se queda
   atenuado en columna). */
.cap01-edif__steps {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  padding: 6vh 0 30vh;
}
.cap01-edif-step {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1.2rem 1.4rem;
  font-family: var(--serif);
  font-size: 1.02rem;
  line-height: 1.55;
  color: var(--ink);
  border-left: 2px solid var(--red);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease);
  pointer-events: none;
}
.cap01-edif-step.is-active {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
.cap01-edif-step p { margin: 0 0 0.85rem; }
.cap01-edif-step p:last-child { margin-bottom: 0; }

@media (max-width: 900px) {
  .cap01-edif {
    grid-template-columns: 1fr;
    padding: 0;
    gap: 0;
  }
  .cap01-edif__sticky {
    top: 56px;
    height: 50vh;
    min-height: 320px;
    background: var(--paper);
    z-index: 2;
  }
  /* En móvil el SVG ocupa más del ancho del sticky para que el edificio se lea bien */
  .cap01-edif__svg { width: 90%; max-height: 100%; }
  .cap01-edif__steps { padding: 3vh var(--gutter) 24vh; }
  .cap01-edif-step {
    min-height: 60vh;
    padding: 0.9rem 1.1rem;
    font-size: 0.95rem;
  }
  .cap01-edif__intro {
    padding: 0 var(--gutter);
    margin-top: clamp(2rem, 5vw, 3rem);
    margin-bottom: clamp(1rem, 2vw, 1.5rem);
  }
}

/* ─────────────────────────────────────────────────────────────
   Cap. 01 · Bloque 3 · Timeline horizontal · Tiempo
   ───────────────────────────────────────────────────────────── */
.cap01-tiempo__intro {
  margin-top: clamp(3rem, 6vw, 5rem);
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}
.cap01-tiempo__title {
  font-family: var(--display);
  font-size: clamp(1.6rem, 3.2vw, 2.2rem);
  line-height: 1.15;
  margin: 0 0 0.5rem;
  color: var(--ink);
}
.cap01-tiempo__lede {
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--ink-soft);
  max-width: 60ch;
  margin: 0;
}

.cap01-tiempo {
  position: relative;
  display: grid;
  grid-template-columns: 1fr minmax(320px, 420px);
  gap: clamp(1.5rem, 4vw, 3rem);
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.cap01-tiempo__sticky {
  position: sticky;
  top: 72px;
  height: calc(100vh - 96px);
  min-height: 480px;
  display: grid;
  place-items: center;
}
.cap01-tiempo__stage {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
}
.cap01-tiempo__svg {
  width: 96%;
  height: auto;
  max-height: 92%;
}

/* Cifra-bofetada */
.cap01-tiempo-total {
  font-family: var(--display);
  font-weight: 500;
  font-size: 44px;
  fill: var(--red);
  transition: opacity 0.5s var(--ease);
  opacity: 0.25;
}
.cap01-tiempo-total-sub {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  fill: var(--ink-soft);
  transition: opacity 0.5s var(--ease);
  opacity: 0.25;
}
.cap01-tiempo__stage[data-step="cierre"] .cap01-tiempo-total,
.cap01-tiempo__stage[data-step="cierre"] .cap01-tiempo-total-sub { opacity: 1; }

/* Eje */
.cap01-tiempo-axis line { stroke: var(--ink); stroke-width: 0.8; }
.cap01-tiempo-axis text {
  font-family: var(--mono);
  font-size: 10px;
  fill: var(--ink-soft);
  text-anchor: middle;
}
.cap01-tiempo-axis-title {
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  fill: var(--ink-mute);
}

/* Segmentos */
.cap01-tiempo-seg {
  fill: rgba(26, 28, 36, 0.06);
  stroke: rgba(26, 28, 36, 0.30);
  stroke-width: 1;
  transition: fill 0.5s var(--ease), stroke 0.5s var(--ease);
}
.cap01-tiempo-label-out {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  fill: var(--ink);
  text-anchor: middle;
  opacity: 0;
  transition: opacity 0.5s var(--ease);
}
.cap01-tiempo-years-out {
  font-family: var(--mono);
  font-size: 11px;
  fill: var(--ink-soft);
  text-anchor: middle;
  opacity: 0;
  transition: opacity 0.5s var(--ease);
}

/* Activación de segmentos por step (cumulativa) */
.cap01-tiempo__stage[data-step="A"] .cap01-tiempo-seg--A,
.cap01-tiempo__stage[data-step="B"] .cap01-tiempo-seg--A,
.cap01-tiempo__stage[data-step="C"] .cap01-tiempo-seg--A,
.cap01-tiempo__stage[data-step="D"] .cap01-tiempo-seg--A,
.cap01-tiempo__stage[data-step="cierre"] .cap01-tiempo-seg--A { fill: #F5C6BF; stroke: #C13027; }

.cap01-tiempo__stage[data-step="B"] .cap01-tiempo-seg--B,
.cap01-tiempo__stage[data-step="C"] .cap01-tiempo-seg--B,
.cap01-tiempo__stage[data-step="D"] .cap01-tiempo-seg--B,
.cap01-tiempo__stage[data-step="cierre"] .cap01-tiempo-seg--B { fill: #E8857B; stroke: #A02921; }

.cap01-tiempo__stage[data-step="C"] .cap01-tiempo-seg--C,
.cap01-tiempo__stage[data-step="D"] .cap01-tiempo-seg--C,
.cap01-tiempo__stage[data-step="cierre"] .cap01-tiempo-seg--C { fill: #D44C42; stroke: #8E1F18; }

.cap01-tiempo__stage[data-step="D"] .cap01-tiempo-seg--D,
.cap01-tiempo__stage[data-step="cierre"] .cap01-tiempo-seg--D { fill: #A02921; stroke: #5A1410; }

/* Etiquetas: aparecen cuando su segmento está activo */
.cap01-tiempo__stage[data-step="A"]      .cap01-tiempo-label--A,
.cap01-tiempo__stage[data-step="A"]      .cap01-tiempo-years--A,
.cap01-tiempo__stage[data-step="B"]      .cap01-tiempo-label--A,
.cap01-tiempo__stage[data-step="B"]      .cap01-tiempo-years--A,
.cap01-tiempo__stage[data-step="C"]      .cap01-tiempo-label--A,
.cap01-tiempo__stage[data-step="C"]      .cap01-tiempo-years--A,
.cap01-tiempo__stage[data-step="D"]      .cap01-tiempo-label--A,
.cap01-tiempo__stage[data-step="D"]      .cap01-tiempo-years--A,
.cap01-tiempo__stage[data-step="cierre"] .cap01-tiempo-label--A,
.cap01-tiempo__stage[data-step="cierre"] .cap01-tiempo-years--A,
.cap01-tiempo__stage[data-step="B"]      .cap01-tiempo-label--B,
.cap01-tiempo__stage[data-step="B"]      .cap01-tiempo-years--B,
.cap01-tiempo__stage[data-step="C"]      .cap01-tiempo-label--B,
.cap01-tiempo__stage[data-step="C"]      .cap01-tiempo-years--B,
.cap01-tiempo__stage[data-step="D"]      .cap01-tiempo-label--B,
.cap01-tiempo__stage[data-step="D"]      .cap01-tiempo-years--B,
.cap01-tiempo__stage[data-step="cierre"] .cap01-tiempo-label--B,
.cap01-tiempo__stage[data-step="cierre"] .cap01-tiempo-years--B,
.cap01-tiempo__stage[data-step="C"]      .cap01-tiempo-label--C,
.cap01-tiempo__stage[data-step="C"]      .cap01-tiempo-years--C,
.cap01-tiempo__stage[data-step="D"]      .cap01-tiempo-label--C,
.cap01-tiempo__stage[data-step="D"]      .cap01-tiempo-years--C,
.cap01-tiempo__stage[data-step="cierre"] .cap01-tiempo-label--C,
.cap01-tiempo__stage[data-step="cierre"] .cap01-tiempo-years--C,
.cap01-tiempo__stage[data-step="D"]      .cap01-tiempo-label--D,
.cap01-tiempo__stage[data-step="D"]      .cap01-tiempo-years--D,
.cap01-tiempo__stage[data-step="cierre"] .cap01-tiempo-label--D,
.cap01-tiempo__stage[data-step="cierre"] .cap01-tiempo-years--D { opacity: 1; }

/* Steps a la derecha */
.cap01-tiempo__steps {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  padding: 6vh 0 30vh;
}
.cap01-tiempo-step {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1.2rem 1.4rem;
  font-family: var(--serif);
  font-size: 1.02rem;
  line-height: 1.55;
  color: var(--ink);
  border-left: 2px solid var(--red);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease);
  pointer-events: none;
}
.cap01-tiempo-step.is-active {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
.cap01-tiempo-step p { margin: 0 0 0.85rem; }
.cap01-tiempo-step p:last-child { margin-bottom: 0; }
.cap01-tiempo-step em {
  color: var(--ink-soft);
  font-style: normal;
  font-family: var(--mono);
  font-size: 0.85em;
  letter-spacing: 0.02em;
}

@media (max-width: 900px) {
  .cap01-tiempo {
    grid-template-columns: 1fr;
    padding: 0;
    gap: 0;
  }
  .cap01-tiempo__sticky {
    top: 56px;
    height: 44vh;
    min-height: 280px;
    background: var(--paper);
    z-index: 2;
  }
  .cap01-tiempo__svg { width: 96%; max-height: 100%; }
  .cap01-tiempo__steps { padding: 3vh var(--gutter) 24vh; }
  .cap01-tiempo-step {
    min-height: 60vh;
    padding: 0.9rem 1.1rem;
    font-size: 0.95rem;
  }
  .cap01-tiempo__intro {
    padding: 0 var(--gutter);
    margin-top: clamp(2rem, 5vw, 3rem);
    margin-bottom: clamp(1rem, 2vw, 1.5rem);
  }
  .cap01-tiempo-total { font-size: 30px; }
}

/* ─────────────────────────────────────────────────────────────
   Cap. 01 · Bloque 4 · Construir no sale rentable · dos torres
   ───────────────────────────────────────────────────────────── */
.cap01-coste__intro {
  margin-top: clamp(3rem, 6vw, 5rem);
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}
.cap01-coste__title {
  font-family: var(--display);
  font-size: clamp(1.6rem, 3.2vw, 2.2rem);
  line-height: 1.15;
  margin: 0;
  color: var(--ink);
}
.cap01-coste {
  position: relative;
  display: grid;
  grid-template-columns: 1fr minmax(320px, 420px);
  gap: clamp(1.5rem, 4vw, 3rem);
  max-width: var(--max-wide);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.cap01-coste__sticky {
  position: sticky;
  top: 72px;
  height: calc(100vh - 96px);
  min-height: 480px;
  display: grid;
  place-items: center;
}
.cap01-coste__stage {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
}
.cap01-coste__svg {
  width: 78%;
  height: auto;
  max-height: 92%;
}

.cap01-coste-total {
  font-family: var(--display);
  font-size: 24px;
  fill: var(--ink);
  opacity: 0.25;
  transition: opacity 0.5s var(--ease);
}
.cap01-coste__stage[data-step="cierre"] .cap01-coste-total { opacity: 1; fill: var(--red); }

.cap01-coste-floor { stroke: var(--ink); stroke-width: 1; }

/* Líneas horizontales de capacidad de pago.
   Renderizadas DESPUÉS de la torre en el DOM para verse por encima. */
.cap01-coste-cap {
  opacity: 0;
  transition: opacity 0.5s var(--ease);
}
.cap01-coste-cap-label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-anchor: end;
  opacity: 0;
  transition: opacity 0.5s var(--ease);
}

.cap01-coste-cap--mercado { stroke: #1A1C24; stroke-width: 1.4; }
.cap01-coste-cap-label--mercado { fill: #1A1C24; }
.cap01-coste__stage[data-step="D"]      .cap01-coste-cap--mercado,
.cap01-coste__stage[data-step="D"]      .cap01-coste-cap-label--mercado,
.cap01-coste__stage[data-step="cierre"] .cap01-coste-cap--mercado,
.cap01-coste__stage[data-step="cierre"] .cap01-coste-cap-label--mercado { opacity: 1; }

.cap01-coste-cap--joven { stroke: #1B6B50; stroke-width: 2.2; }
.cap01-coste-cap-label--joven { fill: #1B6B50; }
.cap01-coste__stage[data-step="cierre"] .cap01-coste-cap--joven,
.cap01-coste__stage[data-step="cierre"] .cap01-coste-cap-label--joven { opacity: 1; }

.cap01-coste-cap--trabajadora { stroke: #2F8A6B; stroke-width: 2.2; }
.cap01-coste-cap-label--trabajadora { fill: #2F8A6B; }
.cap01-coste__stage[data-step="cierre"] .cap01-coste-cap--trabajadora,
.cap01-coste__stage[data-step="cierre"] .cap01-coste-cap-label--trabajadora { opacity: 1; }

.cap01-coste-tower-foot {
  font-family: var(--mono);
  font-size: 11px;
  fill: var(--ink-soft);
  text-anchor: middle;
  letter-spacing: 0.04em;
}

/* Segmentos de la torre de costes */
.cap01-coste-seg {
  fill: rgba(193, 48, 39, 0.12);
  stroke: rgba(193, 48, 39, 0.32);
  stroke-width: 1;
  transition: fill 0.5s var(--ease), stroke 0.5s var(--ease);
}
.cap01-coste__stage[data-step="0"]      .cap01-coste-seg--A,
.cap01-coste__stage[data-step="A"]      .cap01-coste-seg--A,
.cap01-coste__stage[data-step="B"]      .cap01-coste-seg--A,
.cap01-coste__stage[data-step="C"]      .cap01-coste-seg--A,
.cap01-coste__stage[data-step="D"]      .cap01-coste-seg--A,
.cap01-coste__stage[data-step="cierre"] .cap01-coste-seg--A { fill: #F5C6BF; stroke: #C13027; }

.cap01-coste__stage[data-step="A"]      .cap01-coste-seg--B,
.cap01-coste__stage[data-step="B"]      .cap01-coste-seg--B,
.cap01-coste__stage[data-step="C"]      .cap01-coste-seg--B,
.cap01-coste__stage[data-step="D"]      .cap01-coste-seg--B,
.cap01-coste__stage[data-step="cierre"] .cap01-coste-seg--B { fill: #ECA39B; stroke: #B22A22; }

.cap01-coste__stage[data-step="B"]      .cap01-coste-seg--C,
.cap01-coste__stage[data-step="C"]      .cap01-coste-seg--C,
.cap01-coste__stage[data-step="D"]      .cap01-coste-seg--C,
.cap01-coste__stage[data-step="cierre"] .cap01-coste-seg--C { fill: #E0857B; stroke: #95231C; }

.cap01-coste__stage[data-step="C"]      .cap01-coste-seg--D,
.cap01-coste__stage[data-step="D"]      .cap01-coste-seg--D,
.cap01-coste__stage[data-step="cierre"] .cap01-coste-seg--D { fill: #C84539; stroke: #6E1812; }

.cap01-coste__stage[data-step="D"]      .cap01-coste-seg--E,
.cap01-coste__stage[data-step="cierre"] .cap01-coste-seg--E { fill: #A02921; stroke: #4A0E0A; }

.cap01-coste-seg-label {
  font-family: var(--mono);
  font-size: 11px;
  fill: var(--ink);
  text-anchor: end;
  letter-spacing: 0.04em;
  opacity: 0;
  transition: opacity 0.5s var(--ease);
}
.cap01-coste__stage[data-step="0"]      .cap01-coste-seg-label--A,
.cap01-coste__stage[data-step="A"]      .cap01-coste-seg-label--A,
.cap01-coste__stage[data-step="B"]      .cap01-coste-seg-label--A,
.cap01-coste__stage[data-step="C"]      .cap01-coste-seg-label--A,
.cap01-coste__stage[data-step="D"]      .cap01-coste-seg-label--A,
.cap01-coste__stage[data-step="cierre"] .cap01-coste-seg-label--A,
.cap01-coste__stage[data-step="A"]      .cap01-coste-seg-label--B,
.cap01-coste__stage[data-step="B"]      .cap01-coste-seg-label--B,
.cap01-coste__stage[data-step="C"]      .cap01-coste-seg-label--B,
.cap01-coste__stage[data-step="D"]      .cap01-coste-seg-label--B,
.cap01-coste__stage[data-step="cierre"] .cap01-coste-seg-label--B,
.cap01-coste__stage[data-step="B"]      .cap01-coste-seg-label--C,
.cap01-coste__stage[data-step="C"]      .cap01-coste-seg-label--C,
.cap01-coste__stage[data-step="D"]      .cap01-coste-seg-label--C,
.cap01-coste__stage[data-step="cierre"] .cap01-coste-seg-label--C,
.cap01-coste__stage[data-step="C"]      .cap01-coste-seg-label--D,
.cap01-coste__stage[data-step="D"]      .cap01-coste-seg-label--D,
.cap01-coste__stage[data-step="cierre"] .cap01-coste-seg-label--D,
.cap01-coste__stage[data-step="D"]      .cap01-coste-seg-label--E,
.cap01-coste__stage[data-step="cierre"] .cap01-coste-seg-label--E { opacity: 1; }

/* Steps a la derecha */
.cap01-coste__steps {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  padding: 6vh 0 30vh;
}
.cap01-coste-step {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1.2rem 1.4rem;
  font-family: var(--serif);
  font-size: 1.02rem;
  line-height: 1.55;
  color: var(--ink);
  border-left: 2px solid var(--red);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease);
  pointer-events: none;
}
.cap01-coste-step.is-active {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
.cap01-coste-step p { margin: 0 0 0.85rem; }
.cap01-coste-step p:last-child { margin-bottom: 0; }
.cap01-coste-step em {
  color: var(--ink-soft);
  font-style: normal;
  font-family: var(--mono);
  font-size: 0.85em;
  letter-spacing: 0.02em;
}

@media (max-width: 900px) {
  .cap01-coste {
    grid-template-columns: 1fr;
    padding: 0;
    gap: 0;
  }
  .cap01-coste__sticky {
    top: 56px;
    height: 48vh;
    min-height: 320px;
    background: var(--paper);
    z-index: 2;
  }
  .cap01-coste__svg { width: 92%; max-height: 100%; }
  .cap01-coste__steps { padding: 3vh var(--gutter) 24vh; }
  .cap01-coste-step {
    min-height: 60vh;
    padding: 0.9rem 1.1rem;
    font-size: 0.95rem;
  }
  .cap01-coste__intro {
    padding: 0 var(--gutter);
    margin-top: clamp(2rem, 5vw, 3rem);
    margin-bottom: clamp(1rem, 2vw, 1.5rem);
  }
  .cap01-coste-total { font-size: 18px; }
}