@font-face {
  font-family: "Newsreader";
  src: url("/fonts/newsreader-subset.woff2") format("woff2");
  font-weight: 400 600;
  font-style: normal;
  font-display: swap;
}

:root {
  --color-paper: #FAFAF8;
  --color-paper-alt: #F3F2EE;
  --color-ink: #14140F;
  --color-ink-soft: #6B6B62;
  --color-rule: rgba(20, 20, 15, 0.08);
  --color-rule-strong: rgba(20, 20, 15, 0.16);
  --color-signal: #D4500F;
  --color-signal-deep: #A83C08;
  --color-slate-green: #3D5A54;

  --font-display: "Newsreader", Georgia, "Times New Roman", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --radius-card: 12px;
}

/* Base
   ------------------------------------------------------------------ */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, p, address {
  margin: 0;
}

ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

a {
  color: inherit;
}

svg {
  display: block;
}

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

/* Tipografía
   ------------------------------------------------------------------ */

.t-hero {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 7vw, 5rem);
  line-height: 1.04;
  letter-spacing: -0.025em;
  font-weight: 500;
}

.t-h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 500;
}

.t-h3 {
  font-family: var(--font-display);
  font-size: 1.3125rem;
  line-height: 1.3;
  font-weight: 500;
}

.t-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
}

.t-lead {
  font-size: clamp(1.0625rem, 1.6vw, 1.25rem);
  line-height: 1.6;
  color: var(--color-ink-soft);
}

.nota {
  font-size: 0.975rem;
  color: var(--color-ink-soft);
}

.nota--menor {
  font-size: 0.9rem;
}

.destacado {
  color: var(--color-signal);
}

/* Ritmo vertical: la separación la decide el par de hermanos, no una clase
   por elemento. */
.t-eyebrow + .t-hero { margin-top: 1.25rem; }
.t-eyebrow + .t-h2   { margin-top: 1rem; }
.t-eyebrow + .t-h3   { margin-top: 0.5rem; }
.t-hero + .t-lead    { margin-top: 1.5rem; }
.t-h2 + p            { margin-top: 1.5rem; }
.t-h3 + .nota        { margin-top: 0.75rem; }
.t-lead + .nota      { margin-top: 1.5rem; }
.nota + .nota        { margin-top: 0.75rem; }
p + p                { margin-top: 1rem; }

/* Estructura
   ------------------------------------------------------------------ */

.contenedor {
  margin-inline: auto;
  max-width: 1120px;
  padding-inline: 1.5rem;
}

.contenedor--estrecho {
  max-width: 680px;
}

.seccion {
  border-bottom: 1px solid var(--color-rule);
  padding-block: 4.5rem;
  scroll-margin-top: 5rem;
}

.seccion--alt {
  background-color: var(--color-paper-alt);
}

@media (min-width: 48rem) {
  .seccion { padding-block: 8rem; }
}

.rejilla {
  display: grid;
  gap: 1.5rem;
  margin-top: 3rem;
}

@media (min-width: 48rem) {
  .rejilla--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rejilla--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* Cabecera
   ------------------------------------------------------------------ */

.cabecera {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--color-rule);
  background-color: rgba(250, 250, 248, 0.85);
  backdrop-filter: blur(4px);
}

.cabecera__barra {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1rem;
}

.marca {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.nav {
  display: none;
  align-items: center;
  gap: 2rem;
}

.nav__enlace {
  font-size: 0.95rem;
  color: var(--color-ink-soft);
  text-decoration: none;
  transition: color 150ms ease;
}

.nav__enlace:hover {
  color: var(--color-ink);
}

.menu-boton {
  display: inline-flex;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  cursor: pointer;
}

.menu-movil {
  border-top: 1px solid var(--color-rule);
  padding: 0.5rem 1.5rem 1.25rem;
}

.menu-movil__nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.menu-movil__enlace {
  padding-block: 0.5rem;
  color: var(--color-ink-soft);
  text-decoration: none;
}

.menu-movil .boton {
  margin-top: 0.5rem;
  padding-block: 0.625rem;
}

@media (min-width: 48rem) {
  .nav { display: flex; }
  .menu-boton,
  .menu-movil { display: none; }
}

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

.boton {
  display: inline-block;
  border-radius: var(--radius-card);
  padding: 0.5rem 1rem;
  font-size: 0.95rem;
  font-weight: 500;
  text-align: center;
  text-decoration: none;
  transition: opacity 150ms ease, background-color 150ms ease;
}

.boton--solido {
  background-color: var(--color-signal-deep);
  color: #fff;
}

.boton--solido:hover {
  opacity: 0.9;
}

.boton--linea {
  border: 1px solid var(--color-rule-strong);
}

.boton--linea:hover {
  background-color: var(--color-paper-alt);
}

.boton--grande {
  padding: 0.75rem 1.5rem;
  font-size: inherit;
}

.saltar {
  position: absolute;
  left: -9999px;
}

.saltar:focus {
  top: 0.75rem;
  left: 0.75rem;
  z-index: 50;
  border: 1px solid var(--color-rule-strong);
  border-radius: var(--radius-card);
  background-color: var(--color-paper);
  padding: 0.5rem 1rem;
}

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

.hero__rejilla {
  display: grid;
  align-items: center;
  gap: 3rem;
}

.hero__svg {
  width: 100%;
  height: auto;
  max-width: 420px;
}

.hero__botones {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 2.25rem;
}

@media (min-width: 40rem) {
  .hero__botones { flex-direction: row; }
}

@media (min-width: 64rem) {
  .hero__rejilla {
    grid-template-columns: 1.05fr 1fr;
    gap: 4rem;
  }
  .hero__grafico { justify-self: end; }
}

/* Tarjetas
   ------------------------------------------------------------------ */

.tarjeta {
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-card);
  padding: 1.75rem;
  transition: transform 300ms ease, border-color 300ms ease;
}

.tarjeta:hover {
  transform: translateY(-2px);
  border-color: var(--color-rule-strong);
}

.tarjeta--paper {
  background-color: var(--color-paper);
}

.tarjeta svg + .t-h3 {
  margin-top: 1.25rem;
}

.precio {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-top: 1.5rem;
  border-top: 1px solid var(--color-rule);
  padding-top: 1.25rem;
}

.precio__importe {
  font-family: var(--font-display);
  font-size: 1.5rem;
}

.precio__plazo {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-ink-soft);
}

.aviso {
  margin-top: 2rem;
  max-width: 62ch;
  font-size: 0.95rem;
  color: var(--color-ink-soft);
}

/* Proceso
   ------------------------------------------------------------------ */

.pasos {
  display: grid;
  gap: 2.5rem;
  margin-top: 3rem;
}

.paso svg + .t-eyebrow {
  margin-top: 1.25rem;
}

@media (min-width: 48rem) {
  .pasos { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* Sobre el técnico
   ------------------------------------------------------------------ */

.sobre {
  display: grid;
  align-items: center;
  gap: 3rem;
}

.retrato {
  aspect-ratio: 4 / 5;
  width: 100%;
  max-width: 280px;
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-card);
  background-color: var(--color-paper);
  padding: 2rem;
}

.retrato svg {
  width: 100%;
  height: 100%;
}

@media (min-width: 64rem) {
  .sobre { grid-template-columns: 0.8fr 1.2fr; }
}

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

.contacto {
  display: grid;
  gap: 3rem;
}

.contacto__acciones {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.enlace-contacto {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-radius: var(--radius-card);
  padding: 1rem 1.5rem;
  font-weight: 500;
  text-decoration: none;
  transition: opacity 150ms ease, background-color 150ms ease;
}

.enlace-contacto--solido {
  background-color: var(--color-signal-deep);
  color: #fff;
}

.enlace-contacto--solido:hover {
  opacity: 0.9;
}

.enlace-contacto--linea {
  border: 1px solid var(--color-rule-strong);
}

.enlace-contacto--linea:hover {
  background-color: var(--color-paper-alt);
}

.enlace-contacto__etiqueta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-ink-soft);
}

@media (min-width: 64rem) {
  .contacto { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

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

.pie {
  position: relative;
  overflow: hidden;
}

.pie__ondas {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  width: 100%;
  height: 10rem;
  pointer-events: none;
}

.pie__interior {
  position: relative;
  padding-block: 3.5rem;
}

.pie__superior {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
}

.pie__marca {
  font-family: var(--font-display);
  font-size: 1.2rem;
}

.pie__datos {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-style: normal;
  line-height: 1.625;
  color: var(--color-ink-soft);
}

.pie__legal {
  margin-top: 2.5rem;
  border-top: 1px solid var(--color-rule);
  padding-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-ink-soft);
}

@media (min-width: 48rem) {
  .pie__superior { flex-direction: row; }
}

/* Iconos y adornos
   ------------------------------------------------------------------ */

.icono-signal { color: var(--color-signal); }
.icono-verde  { color: var(--color-slate-green); }
.trazo-signal { stroke: var(--color-signal); }

.reticula {
  background-image:
    linear-gradient(to right, rgba(20, 20, 15, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(20, 20, 15, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
}

@keyframes convergencia {
  0%   { r: 62; opacity: 0.30; }
  70%  { r: 5;  opacity: 0.85; }
  100% { r: 5;  opacity: 0.85; }
}

.rtk-halo {
  animation: convergencia 4.5s cubic-bezier(0.22, 1, 0.36, 1) infinite;
  transform-box: fill-box;
}

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 400ms ease-out, transform 400ms ease-out;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}