/* Design system tokens (DESIGN.md) — single source of color/type/spacing */
:root {
  /* colors */
  --kop-brand-primary: #1d5f7e;
  --kop-brand-primary-deep: #0c4860;
  --kop-brand-primary-container: #d9e9f1;
  --kop-brand-on-primary: #ffffff;
  --kop-capture-green: #588028;
  --kop-on-capture-green: #ffffff;
  --kop-signal-green: #84c03c;
  /* Verde legible sobre el azul de marca (DESIGN.md): el de captura se
     queda en 1.5:1 sobre el hero y era ilegible. Mismo valor en oscuro:
     el hero es una banda oscura en los dos temas. */
  --kop-capture-green-on-brand: #a8e77f;
  --kop-surface: #ffffff;
  --kop-background: #f3f5f6;
  --kop-outline: #d3dbdf;
  --kop-text: #0e1b22;
  --kop-text-muted: #4e6470;
  --kop-dark-text-muted: #8fa5b1;
  --kop-disabled: #a0aeb6;
  --kop-success: #1e8e5a;
  --kop-warning: #a05f10;
  --kop-danger: #c03434;
  --kop-info: #1d5f7e;

  /* typography */
  --kop-font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --kop-display-xl-size: 48px;
  --kop-display-xl-weight: 700;
  --kop-display-xl-line: 62.4px;
  --kop-display-l-size: 32px;
  --kop-display-l-weight: 700;
  --kop-display-l-line: 41.6px;
  --kop-title-l-size: 24px;
  --kop-title-l-weight: 600;
  --kop-title-l-line: 31.2px;
  --kop-title-m-size: 20px;
  --kop-title-m-weight: 600;
  --kop-title-m-line: 26px;
  --kop-body-l-size: 18px;
  --kop-body-l-weight: 400;
  --kop-body-l-line: 26.1px;
  --kop-body-m-size: 16px;
  --kop-body-m-weight: 400;
  --kop-body-m-line: 23.2px;
  --kop-label-size: 14px;
  --kop-label-weight: 600;
  --kop-label-line: 18.2px;
  --kop-caption-size: 12px;
  --kop-caption-weight: 400;
  --kop-caption-line: 17.4px;

  /* rounded */
  --kop-radius-s: 6px;
  --kop-radius-m: 12px;
  --kop-radius-l: 20px;
  --kop-radius-xl: 24px;
  --kop-radius-full: 9999px;

  /* spacing */
  --kop-space-xs: 4px;
  --kop-space-s: 8px;
  --kop-space-m: 12px;
  --kop-space-l: 16px;
  --kop-space-xl: 24px;
  --kop-space-xxl: 32px;
  --kop-space-xxxl: 48px;
  --kop-space-xxxxl: 64px;
}

/* DESIGN.md dark palette: enabled by the OS preference (the site has no
   toggle of its own). `[data-theme='dark']` remains as a manual override. */
@media (prefers-color-scheme: dark) {
  :root {
    --kop-brand-primary: #7fb8d4;
    --kop-brand-primary-container: #1d3d4f;
    --kop-brand-on-primary: #c7e1f0;
    --kop-capture-green: #84c03c;
    --kop-on-capture-green: #0e1b22;
    --kop-surface: #16262f;
    --kop-background: #0e1b22;
    --kop-outline: #2c4452;
    --kop-text: #eaf2f6;
    --kop-text-muted: #8fa5b1;
    --kop-disabled: #54626b;
    --kop-success: #3fa97a;
    --kop-warning: #d98b1f;
    --kop-danger: #e06060;
  }
}

[data-theme='dark'] {
  --kop-brand-primary: #7fb8d4;
  --kop-brand-primary-container: #1d3d4f;
  --kop-brand-on-primary: #c7e1f0;
  --kop-capture-green: #84c03c;
  --kop-on-capture-green: #0e1b22;
  --kop-surface: #16262f;
  --kop-background: #0e1b22;
  --kop-outline: #2c4452;
  --kop-text: #eaf2f6;
  --kop-text-muted: #8fa5b1;
  --kop-disabled: #54626b;
  --kop-success: #3fa97a;
  --kop-warning: #d98b1f;
  --kop-danger: #e06060;
}

/* Base */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--kop-font-family);
  font-size: var(--kop-body-m-size);
  line-height: var(--kop-body-m-line);
  color: var(--kop-text);
  background: var(--kop-background);
}

main {
  display: block;
}

a {
  color: var(--kop-brand-primary);
}

/* button-primary (DESIGN.md) */
.button-primary,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 var(--kop-space-l);
  border-radius: var(--kop-radius-full);
  font-size: var(--kop-label-size);
  font-weight: var(--kop-label-weight);
  line-height: var(--kop-label-line);
  text-decoration: none;
}

.button-primary {
  background: var(--kop-brand-primary);
  color: var(--kop-brand-on-primary);
}

.button-primary:hover {
  background: var(--kop-brand-primary-deep);
}

.button-secondary {
  background: var(--kop-surface);
  border: 1px solid var(--kop-outline);
  color: var(--kop-brand-primary);
}

/* card (DESIGN.md) */
.card {
  background: var(--kop-surface);
  border: 1px solid var(--kop-outline);
  border-radius: var(--kop-radius-l);
  padding: var(--kop-space-xl);
}

/* nav-bar */
.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--kop-space-l);
  padding: var(--kop-space-l) var(--kop-space-xl);
  background: var(--kop-surface);
  border-bottom: 1px solid var(--kop-outline);
}

.nav-bar__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--kop-space-s);
  font-size: var(--kop-title-m-size);
  font-weight: var(--kop-title-m-weight);
  color: var(--kop-text);
  text-decoration: none;
}

.nav-bar__brand img {
  display: block;
  height: 34px;
  width: auto;
}

.nav-bar__actions {
  display: flex;
  align-items: center;
  gap: var(--kop-space-l);
}

.nav-bar__lang {
  color: var(--kop-text-muted);
  font-size: var(--kop-label-size);
  text-decoration: none;
}

/* footer (DESIGN.md) */
.footer {
  background: var(--kop-background);
  color: var(--kop-text-muted);
  font-size: var(--kop-caption-size);
  line-height: var(--kop-caption-line);
  padding: var(--kop-space-xxl) var(--kop-space-l);
  display: flex;
  flex-wrap: wrap;
  gap: var(--kop-space-l);
  justify-content: space-between;
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--kop-space-m);
}

.footer__brand img {
  width: 56px;
  height: auto;
}

.footer a {
  color: var(--kop-text-muted);
}

.footer__links {
  display: flex;
  gap: var(--kop-space-l);
}

/* Shared section eyebrows / leads */
.section__eyebrow,
.hero__eyebrow {
  margin: 0 0 var(--kop-space-s);
  font-size: var(--kop-label-size);
  font-weight: var(--kop-label-weight);
  line-height: var(--kop-label-line);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--kop-brand-primary);
}

.section__lead {
  max-width: 44rem;
  margin: 0 auto var(--kop-space-xxl);
  text-align: center;
  font-size: var(--kop-body-l-size);
  line-height: var(--kop-body-l-line);
  color: var(--kop-text-muted);
}

/* Hero */
.hero {
  padding: var(--kop-space-xxxxl) var(--kop-space-xl);
  /* Tonos de marca fijos, NO var(--kop-brand-primary): en oscuro ese token
     pasa a ser un azul claro de acento para texto, así que el hero se
     invertía y todo lo que lleva encima quedaba ilegible (el h1 a 1.6:1).
     El hero es una banda oscura de marca en los dos temas (DESIGN.md). */
  background: radial-gradient(120% 90% at 50% 0%, #1d5f7e 0%, #0c4860 55%);
  text-align: center;
}

.hero__inner {
  max-width: 46rem;
  margin: 0 auto;
}

.hero__logo {
  width: 102px;
  height: auto;
  margin-bottom: var(--kop-space-l);
  filter: drop-shadow(0 6px 18px rgba(0, 0, 0, 0.35));
}

.hero__eyebrow {
  color: var(--kop-capture-green-on-brand);
}

.hero h1 {
  margin: 0 0 var(--kop-space-l);
  font-size: var(--kop-display-xl-size);
  font-weight: var(--kop-display-xl-weight);
  line-height: var(--kop-display-xl-line);
  color: var(--kop-brand-on-primary);
}

.hero__lead {
  margin: 0 auto var(--kop-space-xxl);
  max-width: 40rem;
  font-size: var(--kop-body-l-size);
  line-height: var(--kop-body-l-line);
  color: #d7e6ef;
}

.hero__ctas {
  display: flex;
  gap: var(--kop-space-l);
  justify-content: center;
  flex-wrap: wrap;
}

.hero__ctas .button-primary {
  background: var(--kop-capture-green);
  color: var(--kop-on-capture-green);
}

.hero__ctas .button-primary:hover {
  filter: brightness(0.9);
}

.hero__ctas .button-secondary {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--kop-brand-on-primary);
}

.hero__note {
  margin: var(--kop-space-xl) 0 0;
  font-size: var(--kop-label-size);
  /* 4.8:1 sobre el extremo claro del gradiente; el #a9c6d5 anterior se
     quedaba en 3.9:1. */
  color: #c2d9e4;
}

/* Section shell */
.section {
  max-width: 64rem;
  margin: 0 auto;
  padding: var(--kop-space-xxxl) var(--kop-space-xl);
}

.section > .section__eyebrow,
.vision > .section__eyebrow {
  text-align: center;
}

.section h2 {
  font-size: var(--kop-display-l-size);
  font-weight: var(--kop-display-l-weight);
  line-height: var(--kop-display-l-line);
  text-align: center;
  margin: 0 0 var(--kop-space-xxl);
}

/* Problem — before / after */
.ba {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: var(--kop-space-xl);
}

.ba__col {
  border-radius: var(--kop-radius-l);
  border: 1px solid var(--kop-outline);
  background: var(--kop-surface);
  padding: var(--kop-space-xl);
}

.ba__col h3 {
  margin: 0 0 var(--kop-space-l);
  font-size: var(--kop-title-m-size);
  font-weight: var(--kop-title-m-weight);
}

.ba__col ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--kop-space-m);
}

.ba__col li {
  position: relative;
  padding-left: 1.6rem;
  color: var(--kop-text-muted);
}

.ba__col li::before {
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 700;
}

.ba__col--before li::before {
  content: '✕';
  color: var(--kop-danger);
}

.ba__col--after {
  border-color: var(--kop-capture-green);
  background: var(--kop-brand-primary-container);
}

.ba__col--after li::before {
  content: '✓';
  color: var(--kop-success);
}

/* How it works — mockup + steps */
.how {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: var(--kop-space-xxxl);
  align-items: center;
}

.how__media {
  text-align: center;
}

.how__media img {
  max-width: min(300px, 70vw);
  height: auto;
  filter: drop-shadow(0 12px 30px rgba(18, 63, 85, 0.18));
}

.how__body h2 {
  text-align: left;
  margin-bottom: var(--kop-space-xl);
}

.how__steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--kop-space-xl);
}

.how__step {
  display: flex;
  gap: var(--kop-space-l);
  align-items: flex-start;
}

.how__num {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--kop-radius-full);
  background: var(--kop-brand-primary-container);
  color: var(--kop-brand-primary-deep);
  font-weight: var(--kop-label-weight);
}

.how__step h3 {
  margin: 0 0 var(--kop-space-xs);
  font-size: var(--kop-title-l-size);
  font-weight: var(--kop-title-l-weight);
  line-height: var(--kop-title-l-line);
}

.how__step p {
  margin: 0;
  color: var(--kop-text-muted);
}

/* Benefits grid */
.benefits {
  display: grid;
  /* ponytail: four blocks, so two per row instead of a 3+1 orphan */
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr));
  gap: var(--kop-space-xl);
}

.benefit__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  margin-bottom: var(--kop-space-l);
  border-radius: var(--kop-radius-m);
  background: var(--kop-brand-primary-container);
  font-size: 1.5rem;
  line-height: 1;
}

.benefit h3 {
  margin: 0 0 var(--kop-space-s);
  font-size: var(--kop-title-m-size);
  font-weight: var(--kop-title-m-weight);
}

.benefit p {
  margin: 0;
  color: var(--kop-text-muted);
}

/* Organizations band */
.orgs {
  background: var(--kop-brand-primary-deep);
  color: var(--kop-brand-on-primary);
}

.orgs__inner {
  max-width: 64rem;
  margin: 0 auto;
  padding: var(--kop-space-xxxl) var(--kop-space-xl);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--kop-space-xl);
}

.orgs .section__eyebrow {
  color: var(--kop-capture-green-on-brand);
}

.orgs h2 {
  margin: 0 0 var(--kop-space-s);
  font-size: var(--kop-display-l-size);
  font-weight: var(--kop-display-l-weight);
  line-height: var(--kop-display-l-line);
}

.orgs p {
  margin: 0;
  max-width: 34rem;
  color: #d7e6ef;
}

.orgs .button-primary {
  flex: none;
  background: var(--kop-capture-green);
  color: var(--kop-on-capture-green);
}

.orgs .button-primary:hover {
  filter: brightness(0.9);
}

/* Vision */
.vision__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: var(--kop-space-xl);
}

.vision__item {
  padding-top: var(--kop-space-l);
  border-top: 3px solid var(--kop-capture-green);
}

.vision__item h3 {
  margin: 0 0 var(--kop-space-s);
  font-size: var(--kop-title-m-size);
  font-weight: var(--kop-title-m-weight);
}

.vision__item p {
  margin: 0;
  color: var(--kop-text-muted);
}

/* Final CTA band */
.cta-band {
  background: radial-gradient(
    120% 120% at 50% 0%,
    var(--kop-brand-primary) 0%,
    var(--kop-brand-primary-deep) 60%
  );
}

.cta-band__inner {
  max-width: 46rem;
  margin: 0 auto;
  padding: var(--kop-space-xxxxl) var(--kop-space-xl);
  text-align: center;
}

.cta-band h2 {
  margin: 0 0 var(--kop-space-l);
  font-size: var(--kop-display-l-size);
  font-weight: var(--kop-display-l-weight);
  line-height: var(--kop-display-l-line);
  color: var(--kop-brand-on-primary);
}

.cta-band p {
  margin: 0 auto var(--kop-space-xxl);
  max-width: 34rem;
  color: #d7e6ef;
}

.casos-cta {
  max-width: 64rem;
  margin: 0 auto;
  padding: 0 var(--kop-space-xl);
  text-align: center;
  color: var(--kop-text-muted);
}

/* Cases per trade (/casos/) */
.caso {
  background: var(--kop-surface);
  border: 1px solid var(--kop-outline);
  border-radius: var(--kop-radius-l);
  padding: var(--kop-space-xl);
  margin-bottom: var(--kop-space-xxl);
  /* The anchor lands under the nav bar without this: each case is linkable on
     its own (#fontaneria) and that is how it gets shared. */
  scroll-margin-top: var(--kop-space-xxl);
}

.caso__head h3 {
  margin: 0 0 var(--kop-space-s);
}

.caso__persona {
  margin: 0 0 var(--kop-space-m);
  color: var(--kop-brand-primary);
  font-size: var(--kop-label-size);
  font-weight: var(--kop-label-weight);
}

.caso__entradilla {
  margin: 0 0 var(--kop-space-xl);
  color: var(--kop-text-muted);
}

/* Padding-bottom ratio: the iframe has no intrinsic size, and a phone
   recording is portrait — reserving 16:9 left half the frame empty. */
.caso__video {
  position: relative;
  padding-bottom: 177.78%;
  max-width: 22rem;
  margin: 0 auto var(--kop-space-xl);
  border-radius: var(--kop-radius-m);
  overflow: hidden;
}

.caso__video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.caso__pendiente {
  margin: 0 0 var(--kop-space-xl);
  color: var(--kop-text-muted);
  font-size: var(--kop-caption-size);
}

.caso__pasos summary {
  cursor: pointer;
  font-weight: var(--kop-label-weight);
  color: var(--kop-brand-primary);
}

.caso__pasos ol {
  margin: var(--kop-space-l) 0 0;
  padding-left: var(--kop-space-xl);
  color: var(--kop-text-muted);
}

.caso__pasos li {
  margin-bottom: var(--kop-space-m);
}

.caso__salto {
  font-variant-numeric: tabular-nums;
  margin-right: var(--kop-space-s);
}

.caso__dicho {
  display: block;
  font-style: italic;
}

/* Legal pages */
.legal {
  max-width: 46rem;
  margin: 0 auto;
  padding: var(--kop-space-xxxl) var(--kop-space-xl);
}

@media (max-width: 48rem) {
  .how {
    grid-template-columns: 1fr;
    gap: var(--kop-space-xl);
  }

  .how__body h2 {
    text-align: center;
  }
}

@media (max-width: 40rem) {
  .hero h1 {
    font-size: var(--kop-display-l-size);
    line-height: var(--kop-display-l-line);
  }

  .orgs__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

.cta-band .cta-band__mail {
  margin: var(--kop-space-l) auto 0;
}