/* ============================================================
   Hoja de estilos compartida
   Dirección visual: placa de datos técnicos (data plate)
   ============================================================ */

:root {
  --ink:        #08192A;
  --ink-soft:   #0F2E48;
  --steel:      #7C93A6;
  --paper:      #E9EDF0;
  --signal:     #E03A21;

  --plate-line: rgba(124, 147, 166, 0.32);
  --rule:       rgba(8, 25, 42, 0.14);

  --display: 'Saira Condensed', 'Arial Narrow', sans-serif;
  --body:    'IBM Plex Sans', system-ui, sans-serif;
  --mono:    'IBM Plex Mono', ui-monospace, monospace;

  --gutter: clamp(1.25rem, 4vw, 3.5rem);
  --maxw: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--ink); }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

/* ---------- Barra superior ---------- */

.topbar {
  background: var(--ink);
  color: var(--paper);
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(233, 237, 240, 0.14);
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 62px;
  flex-wrap: wrap;
  padding-block: 0.6rem;
}

.mark {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.32rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--paper);
  text-decoration: none;
  line-height: 1.1;
}

.mark span {
  display: block;
  font-family: var(--mono);
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  color: var(--steel);
  text-transform: uppercase;
}

.nav {
  display: flex;
  gap: clamp(0.9rem, 2.4vw, 1.9rem);
  flex-wrap: wrap;
}

.nav a {
  color: var(--paper);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  padding-block: 0.35rem;
  border-bottom: 1px solid transparent;
}

.nav a:hover,
.nav a:focus-visible { border-bottom-color: var(--signal); }

/* ---------- Hero ---------- */

.hero {
  background: var(--ink);
  color: var(--paper);
  padding-block: clamp(3rem, 8vw, 5.5rem);
  border-bottom: 3px solid var(--signal);
}

.hero__grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--steel);
  margin: 0 0 1.1rem;
}

.hero h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2.6rem, 6.4vw, 4.4rem);
  line-height: 0.98;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  margin: 0 0 1.2rem;
}

.hero h1 em {
  font-style: normal;
  color: var(--signal);
}

.hero p {
  max-width: 46ch;
  color: #C6D2DC;
  margin: 0 0 2rem;
}

/* ---------- Placa de datos (elemento firma) ---------- */

.plate {
  background: linear-gradient(150deg, #16354F 0%, #0C2439 100%);
  border: 1px solid var(--plate-line);
  border-radius: 3px;
  padding: 1.6rem 1.5rem;
  position: relative;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.07);
}

.plate::before,
.plate::after {
  content: '';
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--steel);
  opacity: 0.5;
  top: 10px;
}

.plate::before { left: 10px; }
.plate::after  { right: 10px; }

.plate__title {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--steel);
  border-bottom: 1px solid var(--plate-line);
  padding-bottom: 0.7rem;
  margin-bottom: 0.9rem;
  text-align: center;
}

.plate__row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  padding-block: 0.42rem;
  border-bottom: 1px dotted var(--plate-line);
}

.plate__row:last-child { border-bottom: 0; }

.plate__row dt { color: var(--steel); margin: 0; }
.plate__row dd { color: var(--paper); margin: 0; text-align: right; }

.plate dl { margin: 0; }

/* ---------- Botones ---------- */

.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.85rem 1.6rem;
  border: 1px solid var(--signal);
  background: var(--signal);
  color: #fff;
  border-radius: 2px;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease;
}

.btn:hover,
.btn:focus-visible { background: transparent; color: var(--signal); }

.btn--ghost {
  background: transparent;
  border-color: var(--steel);
  color: var(--paper);
}

.btn--ghost:hover,
.btn--ghost:focus-visible { border-color: var(--paper); color: var(--paper); }

.btn--sm { padding: 0.62rem 1.1rem; font-size: 0.72rem; }

/* ---------- Secciones ---------- */

.section { padding-block: clamp(3rem, 7vw, 5rem); }

.section--alt { background: #fff; }

.section__head {
  display: flex;
  align-items: baseline;
  gap: 1.1rem;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 0.8rem;
  margin-bottom: 2.4rem;
  flex-wrap: wrap;
}

.section__head h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.7rem, 3.6vw, 2.5rem);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  margin: 0;
  line-height: 1;
}

.section__head .code {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--steel);
  text-transform: uppercase;
  margin-left: auto;
}

/* ---------- Catálogo ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(276px, 1fr));
  gap: 1.6rem;
}

.card {
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: 3px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.section--alt .card { background: var(--paper); }

.card__media {
  aspect-ratio: 4 / 3;
  background:
    repeating-linear-gradient(
      45deg,
      rgba(124, 147, 166, 0.12) 0 10px,
      transparent 10px 20px
    ),
    #DDE3E8;
  display: grid;
  place-items: center;
  border-bottom: 1px solid var(--rule);
}

.card__media img { width: 100%; height: 100%; object-fit: cover; }

.card__ph {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #5D7386;
  text-align: center;
  padding: 0 1rem;
}

.card__body {
  padding: 1.2rem 1.25rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  flex: 1;
}

.card h3 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.32rem;
  text-transform: uppercase;
  letter-spacing: 0.015em;
  margin: 0;
  line-height: 1.1;
}

.specs {
  margin: 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding-block: 0.55rem;
}

.specs div {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  padding-block: 0.22rem;
}

.specs dt { color: #5D7386; margin: 0; }
.specs dd { margin: 0; font-weight: 600; }

.card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: auto;
  flex-wrap: wrap;
}

.price {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.55rem;
  letter-spacing: 0.01em;
}

.price small {
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 400;
  color: #5D7386;
  display: block;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* ---------- Pasos ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.6rem;
  counter-reset: step;
  list-style: none;
  padding: 0;
  margin: 0;
}

.steps li {
  counter-increment: step;
  border-top: 2px solid var(--ink);
  padding-top: 1rem;
}

.steps li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--signal);
  letter-spacing: 0.14em;
  display: block;
  margin-bottom: 0.5rem;
}

.steps h3 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.18rem;
  text-transform: uppercase;
  margin: 0 0 0.5rem;
}

.steps p { margin: 0; font-size: 0.95rem; color: #33465A; }

/* ---------- Contacto ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
}

.contact-grid h3 {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #5D7386;
  margin: 0 0 0.6rem;
  font-weight: 400;
}

.contact-grid p { margin: 0; }

/* ---------- Páginas de política ---------- */

.doc { padding-block: clamp(2.5rem, 6vw, 4rem); }

.doc__inner { max-width: 74ch; }

.doc h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3rem);
  text-transform: uppercase;
  line-height: 1.02;
  margin: 0 0 0.6rem;
}

.doc .updated {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #5D7386;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 1.2rem;
  margin: 0 0 2.2rem;
}

.doc h2 {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.42rem;
  text-transform: uppercase;
  margin: 2.4rem 0 0.7rem;
  letter-spacing: 0.01em;
}

.doc p, .doc li { color: #22364A; }

.doc ul, .doc ol { padding-left: 1.2rem; }

.doc li { margin-bottom: 0.45rem; }

.callout {
  background: #fff;
  border-left: 3px solid var(--signal);
  padding: 1.1rem 1.3rem;
  margin: 1.6rem 0;
  font-size: 0.96rem;
}

.callout strong { font-weight: 600; }

/* ---------- Pie ---------- */

.footer {
  background: var(--ink);
  color: #B9C6D2;
  padding-block: 3rem 2rem;
  margin-top: 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(233, 237, 240, 0.16);
}

.footer h4 {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel);
  margin: 0 0 0.8rem;
  font-weight: 400;
}

.footer a { color: #DCE5EC; text-decoration: none; display: block; padding-block: 0.18rem; }
.footer a:hover, .footer a:focus-visible { color: #fff; text-decoration: underline; }

.footer p { margin: 0 0 0.3rem; font-size: 0.92rem; }

.footer__legal {
  padding-top: 1.4rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--steel);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ---------- Responsive ---------- */

@media (max-width: 820px) {
  .hero__grid { grid-template-columns: 1fr; }
  .topbar__inner { min-height: 0; }
}

/* ---------- Accesibilidad ---------- */

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition-duration: 0.01ms !important; }
}