@font-face {
  font-family: 'Druk Wide';
  src: url('fonts/DrukWideBold.ttf') format('truetype');
  font-weight: 700;
  font-display: swap;
}

:root {
  --bg: #0a0a0a;
  --surface: #141414;
  --surface-2: #1e1e1e;
  --border: #2a2a2a;
  --rule: #4a4a4a;
  --text: #e8e8e8;
  --text-soft: #b4b4b2;
  --text-2: #8f8f8d;
  --accent: #d94545;
  --accent-fill: #c63d3d;
  --accent-fill-hover: #b33636;
  --light: #ecebe6;

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-logo: 'Druk Wide', 'Space Grotesk', system-ui, sans-serif;

  --pad: clamp(20px, 4vw, 56px);
  --section-y: clamp(88px, 13vh, 160px);
}

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

[hidden] {
  display: none !important;
}

html {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.6;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

a {
  color: inherit;
}

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

.skip {
  position: absolute;
  left: var(--pad);
  top: -100px;
  z-index: 20;
  padding: 10px 14px;
  background: var(--surface-2);
  color: var(--text);
  text-decoration: none;
}

.skip:focus {
  top: 12px;
}

/* ---------------------------------------------------------------- marca */

.logo {
  font-family: var(--font-logo);
  font-weight: 700;
  color: var(--accent);
  font-size: clamp(1.75rem, 2.6vw, 2.375rem);
  line-height: 1;
  letter-spacing: -0.01em;
  text-decoration: none;
  display: inline-flex;
  align-items: baseline;
  padding: 8px 2px;
}

.logo .colon {
  display: inline-flex;
  justify-content: center;
  width: 0;
  overflow: hidden;
  color: color-mix(in srgb, var(--accent) 55%, transparent);
  transition: width 0.3s ease-in-out;
}

.logo:hover .colon,
.logo:focus-visible .colon {
  width: 0.6em;
}

/* ---------------------------------------------------------------- cabecera */

.nav {
  position: absolute;
  inset: 0 0 auto 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 18px var(--pad);
}

.nav-links {
  display: flex;
  gap: 28px;
  margin-left: auto;
}

.nav-links a {
  color: var(--text-soft);
  text-decoration: none;
  font-size: 0.9375rem;
  padding: 10px 0;
}

.nav-links a:hover {
  color: var(--text);
}

.lang {
  display: flex;
  gap: 2px;
}

.lang button {
  min-width: 44px;
  min-height: 44px;
  background: none;
  border: 0;
  color: var(--text-2);
  font: 500 0.8125rem var(--font-body);
  letter-spacing: 0.04em;
  cursor: pointer;
}

.lang button[aria-pressed='true'] {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 6px;
  text-decoration-color: var(--accent);
}

/* ---------------------------------------------------------------- hero */

.hero {
  position: relative;
  height: 100svh;
  min-height: 640px;
  max-height: 1200px;
  overflow: hidden;
  background: var(--bg);
}

.hero canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  /* la cabecera queda sobre oscuro aunque el suelo llegue arriba */
  -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 120px);
  mask-image: linear-gradient(to bottom, transparent 0, #000 120px);
}

.hero-copy {
  position: absolute;
  left: var(--pad);
  bottom: clamp(36px, 7vh, 72px);
  z-index: 2;
  max-width: 35rem;
}

h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.5rem, 4.3vw, 3.75rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin: 0 0 22px;
  text-wrap: balance;
}

.lead {
  color: var(--text-soft);
  font-size: 1.125rem;
  line-height: 1.55;
  max-width: 31em;
  margin: 0 0 30px;
}

.hero-aside {
  position: absolute;
  right: var(--pad);
  bottom: clamp(36px, 7vh, 72px);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 14px;
  max-width: 19rem;
  text-align: right;
}

.hero-caption {
  margin: 0;
  text-wrap: balance;
  color: var(--text-2);
  font-size: 0.875rem;
  line-height: 1.5;
}

.segmented {
  display: inline-flex;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
}

.segmented button {
  min-height: 40px;
  padding: 0 18px;
  border: 0;
  border-radius: 4px;
  background: transparent;
  color: var(--text-2);
  font: 500 0.9375rem var(--font-body);
  cursor: pointer;
  transition: background-color 0.1s ease-out, color 0.1s ease-out;
}

.segmented button:hover {
  color: var(--text);
}

.segmented button[aria-pressed='true'] {
  background: var(--surface-2);
  color: var(--text);
}

.hero.no-webgl canvas {
  display: none;
}

.hero-fallback {
  position: absolute;
  inset: 88px var(--pad) 42% var(--pad);
  display: grid;
  place-items: center;
}

/* el plano viene en vertical; girado queda como la vista «Planta» (la entrada a la derecha) */
.hero-fallback img {
  width: min(32vh, 30vw);
  transform: rotate(-90deg);
}

/* ---------------------------------------------------------------- botones */

.btn {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 4px;
  font: 500 1rem var(--font-body);
  text-decoration: none;
  transition: background-color 0.1s ease-out;
}

.btn-primary {
  background: var(--accent-fill);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-fill-hover);
}

/* ---------------------------------------------------------------- secciones */

.section {
  max-width: 1440px;
  margin: 0 auto;
  padding: var(--section-y) var(--pad) 0;
}

h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.875rem, 3.1vw, 2.625rem);
  line-height: 1.1;
  letter-spacing: -0.022em;
  margin: 0;
  text-wrap: balance;
}

h3 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.3125rem;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
}

p {
  margin: 0;
}

/* Pasos: una cadena de cotas, cada tramo un paso */

.steps {
  list-style: none;
  margin: 88px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.steps li {
  position: relative;
  padding: 34px 40px 0 0;
  border-top: 1px solid var(--rule);
}

.steps li::before,
.steps li:last-child::after {
  content: '';
  position: absolute;
  top: -10px;
  width: 1.5px;
  height: 20px;
  background: var(--text);
  transform: rotate(45deg);
}

.steps li::before {
  left: 0;
}

.steps li:last-child::after {
  right: 0;
}

.step-n {
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
}

.steps p {
  color: var(--text-soft);
  max-width: 30em;
}

/* Bloques a dos columnas */

.split {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  column-gap: clamp(32px, 8vw, 128px);
  align-items: start;
}

.split-text p {
  color: var(--text-soft);
  max-width: 34em;
  margin-top: 22px;
}

.split-text p + p {
  margin-top: 16px;
}

/* Cajetín: el cuadro de datos de un plano */

.cajetin {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--rule);
  font-size: 1rem;
}

.cajetin caption {
  caption-side: top;
  text-align: left;
  padding: 0 0 12px;
  color: var(--text-2);
  font-size: 0.9375rem;
}

.cajetin th,
.cajetin td {
  padding: 16px 20px;
  text-align: left;
  vertical-align: top;
  border-top: 1px solid var(--border);
}

.cajetin th {
  width: 48%;
  font-weight: 400;
  color: var(--text-2);
  border-right: 1px solid var(--border);
}

.cajetin td {
  font-family: var(--font-display);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

/* Para quién */

.who {
  margin: 0;
}

.who > div {
  padding: 26px 0;
  border-top: 1px solid var(--border);
}

.who > div:last-child {
  border-bottom: 1px solid var(--border);
}

.who dt {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.3125rem;
  letter-spacing: -0.01em;
}

.who dd {
  margin: 6px 0 0;
  color: var(--text-soft);
  max-width: 34em;
}

/* Contacto */

.contact {
  padding-bottom: var(--section-y);
}

.contact h2 {
  font-size: clamp(2.25rem, 4.6vw, 3.75rem);
  letter-spacing: -0.03em;
}

.contact p {
  color: var(--text-soft);
  max-width: 32em;
  margin: 20px 0 32px;
  font-size: 1.125rem;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 28px;
  max-width: 1440px;
  margin: 0 auto;
  padding: 28px var(--pad) 40px;
  border-top: 1px solid var(--border);
  color: var(--text-2);
  font-size: 0.875rem;
}

.logo-sm {
  font-size: 1.375rem;
  padding: 0;
}

.footer > span:last-child {
  margin-left: auto;
}

.footer .legal {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
}

.footer .legal a {
  color: var(--text-2);
  padding: 10px 0;
}

.footer .legal a:hover {
  color: var(--text);
}

/* ---------------------------------------------------------------- estrecho */

@media (max-width: 860px) {
  .nav-links {
    display: none;
  }

  .lang {
    margin-left: auto;
  }

  .split {
    grid-template-columns: minmax(0, 1fr);
    row-gap: 44px;
  }
}

@media (max-width: 760px), (orientation: portrait) and (max-width: 1024px) {
  .hero {
    min-height: 680px;
  }

  .hero canvas {
    height: var(--scene-h, 100%);
    -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 76px, #000 calc(100% - 44px), transparent 100%);
    mask-image: linear-gradient(to bottom, transparent 0, #000 76px, #000 calc(100% - 44px), transparent 100%);
  }

  .hero-copy {
    right: var(--pad);
    bottom: 32px;
  }

  h1 {
    font-size: clamp(2.125rem, 9.4vw, 3rem);
    margin-bottom: 16px;
  }

  .lead {
    font-size: 1.0625rem;
    margin-bottom: 24px;
  }

  .hero-aside {
    left: var(--pad);
    right: var(--pad);
    bottom: auto;
    top: var(--aside-top, 58%);
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    max-width: none;
    text-align: left;
    gap: 16px;
  }

  .hero-caption {
    font-size: 0.8125rem;
    max-width: 15rem;
    order: -1;
  }
}

@media (max-width: 760px) {
  .steps {
    grid-template-columns: minmax(0, 1fr);
    margin-top: 48px;
  }

  .steps li {
    border-top: 0;
    border-left: 1px solid var(--rule);
    padding: 0 0 40px 28px;
  }

  .steps li:last-child {
    padding-bottom: 4px;
  }

  .steps li::before {
    left: -1px;
    top: -9px;
  }

  .steps li:last-child::after {
    display: none;
  }

  .step-n {
    position: static;
    display: block;
    transform: none;
    margin-bottom: 6px;
  }
}

/* ---------------------------------------------------------------- formulario de contacto */

.formulario {
  max-width: 720px;
  margin-top: 40px;
  text-align: left;
}

.campos {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 20px;
}

.campo.ancho {
  grid-column: 1 / -1;
}

.campo label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.9375rem;
  color: var(--text-soft);
}

.formulario input:not([type='checkbox']),
.formulario select,
.formulario textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: var(--surface);
  color: var(--text);
  font: 400 1rem var(--font-body);
}

.formulario textarea {
  resize: vertical;
  min-height: 132px;
  line-height: 1.5;
}

.formulario select {
  appearance: none;
  padding-right: 40px;
  background-image: linear-gradient(45deg, transparent 50%, var(--text-2) 50%), linear-gradient(135deg, var(--text-2) 50%, transparent 50%);
  background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%;
  background-size: 5px 5px;
  background-repeat: no-repeat;
}

.formulario input:not([type='checkbox']):focus-visible,
.formulario select:focus-visible,
.formulario textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: transparent;
}

.formulario [aria-invalid='true'] {
  border-color: var(--accent);
}

.formulario .error {
  margin: 6px 0 0;
  font-size: 0.875rem;
  color: #f08a8a;
}

.trampa {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.acepta {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-top: 24px;
}

.acepta input {
  flex: none;
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  accent-color: var(--accent-fill);
}

.acepta label {
  color: var(--text-soft);
  font-size: 0.9375rem;
}

.acepta a,
.otra-via a {
  color: var(--text);
  text-decoration-color: var(--accent);
  text-underline-offset: 4px;
}

.info-datos {
  margin: 12px 0 24px;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--text-2);
  max-width: 44em;
}

.formulario button {
  border: 0;
  cursor: pointer;
}

.formulario button:disabled {
  opacity: 0.6;
  cursor: progress;
}

.estado-form {
  margin: 16px 0 0;
  min-height: 1.5em;
}

.estado-form[data-tipo='ok'] {
  color: var(--text);
}

.estado-form[data-tipo='error'] {
  color: #f08a8a;
}

.otra-via {
  margin-top: 28px;
  font-size: 0.9375rem;
  color: var(--text-2);
}

@media (max-width: 640px) {
  .campos {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* los párrafos del formulario no heredan el estilo de los de la sección de contacto */
.contact .formulario p {
  max-width: 44em;
  margin-left: 0;
  margin-right: 0;
  font-size: 0.9375rem;
}

.contact .formulario .error {
  margin: 6px 0 0;
  font-size: 0.875rem;
  color: #f08a8a;
}

.contact .formulario .info-datos {
  margin: 12px 0 24px;
  font-size: 0.8125rem;
  color: var(--text-2);
}

.contact .formulario .estado-form {
  margin: 16px 0 0;
  font-size: 1rem;
}