/* ═══════════════════════════════════════════════════════════
   ENEDE — landing institucional
   Design system: "Technical Precision" (ver diseño/DESIGN.md)
   ═══════════════════════════════════════════════════════════ */

:root {
  /* ── Color ─────────────────────────────────────────────── */
  --primary:            #003ec7;
  --primary-bright:     #0052ff;
  --on-primary:         #ffffff;

  --surface:            #ffffff;
  --surface-alt:        #f8f9ff;
  --surface-sunken:     #eff4ff;
  --surface-hover:      #f1f4f9;

  --on-surface:         #0b1c30;   /* títulos — coincide con el navy del logo */
  --on-surface-variant: #434656;   /* cuerpo */
  --outline:            #737688;   /* texto terciario / marcas técnicas */
  --outline-variant:    #c3c5d9;   /* bordes */
  --hairline:           #e2e7f0;   /* bordes suaves */

  --dark:               #0b1c30;
  --on-dark:            #eaf1ff;
  --on-dark-variant:    #a9bad3;
  --dark-hairline:      rgba(234, 241, 255, .16);

  /* ── Tipografía ────────────────────────────────────────── */
  --font-head: 'Hanken Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* ── Espaciado (base 4px) ──────────────────────────────── */
  --xs: 8px;
  --sm: 16px;
  --md: 24px;
  --lg: 48px;
  --xl: 80px;
  --margin: 32px;
  --max: 1280px;

  /* ── Forma ─────────────────────────────────────────────── */
  --r-sm: 2px;
  --r:    4px;
  --r-lg: 8px;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 88px; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  margin: 0;
  background: var(--surface);
  color: var(--on-surface-variant);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
figure { margin: 0; }
ul, ol, dl, dd { margin: 0; padding: 0; list-style: none; }

h1, h2, h3 {
  font-family: var(--font-head);
  color: var(--on-surface);
  margin: 0;
  letter-spacing: -.02em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.25rem, 1.4rem + 3.6vw, 3.5rem); line-height: 1.08; font-weight: 700; }
h2 { font-size: clamp(1.75rem, 1.3rem + 1.9vw, 2.5rem); line-height: 1.15; font-weight: 600; }
h3 { font-size: 1.25rem; line-height: 1.3;  font-weight: 600; }
p  { margin: 0; }

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--primary-bright);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

.skip {
  position: absolute; left: -9999px;
  background: var(--dark); color: var(--on-dark);
  padding: var(--xs) var(--sm); z-index: 200;
}
.skip:focus { left: var(--sm); top: var(--xs); }

/* ═══ Layout ══════════════════════════════════════════════ */
.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--margin);
}
@media (max-width: 640px) { .wrap { padding-inline: var(--sm); } }

.section { padding-block: var(--xl); position: relative; }
.section--alt  { background: var(--surface-alt); border-block: 1px solid var(--hairline); }
.section--dark { background: var(--dark); color: var(--on-dark-variant); }
.section--dark h2 { color: var(--on-dark); }

@media (max-width: 640px) { .section { padding-block: var(--lg); } }

/* ═══ Grilla técnica de fondo ═════════════════════════════ */
.grid-bg {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(to right,  rgba(115,118,136,.09) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(115,118,136,.09) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(120% 90% at 50% 0%, #000 30%, transparent 78%);
}
.grid-bg--edge { inset: 0 0 0 auto; width: 38%; mask-image: linear-gradient(to left, #000, transparent); }
.grid-bg--dark {
  background-image:
    linear-gradient(to right,  rgba(234,241,255,.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(234,241,255,.07) 1px, transparent 1px);
}
.wrap { position: relative; z-index: 1; }

/* ═══ Tipografía auxiliar ═════════════════════════════════ */
.eyebrow,
.tag,
.mono,
.card__ref,
.frame__tag,
.frame__note,
.contact__label,
.hero__mark {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.eyebrow { display: block; color: var(--primary); margin-bottom: var(--xs); }
.eyebrow--light { color: #7ea2ff; }

.tag {
  display: inline-block;
  border: 1px solid var(--primary);
  color: var(--primary);
  padding: 6px 10px;
  letter-spacing: .14em;
}

.lead { font-size: 1.125rem; line-height: 1.65; max-width: 52ch; }
.lead--light { color: var(--on-dark-variant); }

.link {
  color: var(--primary);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.link:hover { color: var(--primary-bright); }

/* ═══ Botones ═════════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--xs);
  padding: 14px 24px;
  border: 1px solid transparent;
  border-radius: var(--r);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .18s, border-color .18s, color .18s;
}
.btn .ico { width: 18px; height: 18px; fill: currentColor; flex: none; }

.btn--primary { background: var(--primary); color: var(--on-primary); box-shadow: 0 2px 0 rgba(0,0,0,.06); }
.btn--primary:hover { background: var(--on-surface); }

.btn--dark { background: var(--on-surface); color: #fff; }
.btn--dark:hover { background: var(--primary); }

.btn--ghost { border-color: var(--outline-variant); color: var(--on-surface); background: var(--surface); }
.btn--ghost:hover { background: var(--surface-hover); border-color: var(--primary); }

.btn--light { background: var(--surface); color: var(--on-surface); }
.btn--light:hover { background: var(--primary-bright); color: #fff; }

.btn--sm { padding: 10px 18px; font-size: 12px; }
.btn--block { width: 100%; }

/* ═══ Header ══════════════════════════════════════════════ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--hairline);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--md);
  padding-block: var(--sm);
}
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand img { border-radius: 50%; flex: none; }

/* Fallback: si el navegador no soporta máscaras, se ve el texto. */
.brand__name {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -.04em;
  color: var(--on-surface);
}

/* El wordmark real es assets/wordmark.png (letras opacas, fondo transparente).
   Se pinta con `currentColor` vía máscara, así toma el color del contexto:
   navy sobre fondo claro, blanco sobre fondo oscuro. Un solo archivo. */
@supports ((-webkit-mask-image: url("assets/wordmark.png")) or (mask-image: url("assets/wordmark.png"))) {
  .brand__name {
    display: block;
    flex: none;
    height: 26px;
    aspect-ratio: 654 / 171;
    background-color: currentColor;
    -webkit-mask: url("assets/wordmark.png") no-repeat center / contain;
            mask: url("assets/wordmark.png") no-repeat center / contain;
    /* oculta el texto de fallback sin sacarlo del árbol de accesibilidad */
    text-indent: -200vw;
    overflow: hidden;
    white-space: nowrap;
  }
  .site-footer .brand__name { height: 23px; }
  /* En pantallas chicas el header se achica para no comerse el espacio. */
  @media (max-width: 480px) {
    .brand img { width: 32px; height: 32px; }
    .brand__name { height: 22px; }
  }
}

.nav__links { display: flex; gap: var(--md); }
.nav__links a {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--on-surface-variant);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
  transition: color .18s, border-color .18s;
}
.nav__links a:hover { color: var(--primary); border-bottom-color: var(--primary); }

.nav__actions { display: flex; align-items: center; gap: var(--xs); }

.nav__toggle {
  display: none;
  width: 42px; height: 42px;
  padding: 11px;
  background: none;
  border: 1px solid var(--outline-variant);
  border-radius: var(--r);
  cursor: pointer;
}
.nav__toggle span {
  display: block; height: 2px; background: var(--on-surface);
  transition: transform .2s, opacity .2s;
}
.nav__toggle span + span { margin-top: 4px; }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.nav__mobile { display: none; flex-direction: column; border-top: 1px solid var(--hairline); }
.nav__mobile a {
  padding: var(--sm) var(--margin);
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--on-surface);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline);
}
.nav__mobile a:hover { background: var(--surface-hover); color: var(--primary); }

@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__toggle { display: block; }
  .nav__mobile:not([hidden]) { display: flex; }
}
@media (max-width: 480px) {
  .nav__actions .btn--dark { display: none; }
  .nav__mobile a { padding-inline: var(--sm); }
}

/* ═══ Hero ════════════════════════════════════════════════ */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(48px, 7vw, 104px);
  border-bottom: 1px solid var(--hairline);
}
.hero__inner {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: var(--xl);
  align-items: center;
}
.hero__copy > * + * { margin-top: var(--md); }
.hero h1 em { font-style: normal; color: var(--primary); }

.hero__cta { display: flex; flex-wrap: wrap; gap: var(--xs); padding-top: var(--xs); }

.hero__mark {
  position: absolute; z-index: 1;
  color: var(--outline); opacity: .55;
  line-height: 1.6;
}
.hero__mark--tl { top: 40px; left: 40px; }
.hero__mark--br { bottom: 40px; right: 40px; text-align: right; }

@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; gap: var(--lg); }
  .hero__visual { order: -1; }
  .hero__mark { display: none; }
}

/* ═══ Marcos de imagen ════════════════════════════════════ */
.frame {
  position: relative;
  border: 1px solid var(--outline-variant);
  background: var(--surface);
  overflow: hidden;
}
/* Esquinita azul tipo plano técnico */
.frame::before,
.card::before {
  content: '';
  position: absolute; top: -1px; right: -1px;
  width: 10px; height: 10px;
  border-top: 2px solid var(--primary);
  border-right: 2px solid var(--primary);
  z-index: 2;
}
.frame--square { aspect-ratio: 1; }
.frame--wide   { aspect-ratio: 16 / 10; }
/* El hero es 4:3 (no cuadrado): la imagen es apaisada y en un cuadrado se
   recortaba casi la mitad del ancho, que era lo que la hacía ver ampliada. */
.frame--hero   { aspect-ratio: 4 / 3; }
@media (max-width: 900px) { .frame--hero { aspect-ratio: 16 / 10; } }
.frame--dark   { border-color: var(--dark-hairline); background: rgba(255,255,255,.04); }
.frame img { width: 100%; height: 100%; object-fit: cover; }
/* Para planos y esquemas: mostrarlos enteros, sin recortar. */
.frame__fit { object-fit: contain !important; padding: var(--sm); background: var(--surface); }

/* Foto de producto con fondo transparente: se muestra entera y con aire, para
   que no se amplíe más allá de su resolución nativa y quede nítida. */
.frame__producto { object-fit: contain !important; padding: 14%; }

.frame__note {
  position: absolute; bottom: var(--xs); left: var(--xs);
  color: var(--primary);
  background: rgba(255,255,255,.9);
  padding: 4px 8px;
}
.frame__caption {
  position: absolute; inset: auto 0 0 0;
  background: rgba(255,255,255,.94);
  border-top: 1px solid var(--outline-variant);
  padding: 12px var(--sm);
}
.frame__tag { display: block; color: var(--primary); margin-bottom: 2px; }
.frame__caption strong { font-size: 14px; color: var(--on-surface); }

/* ═══ Encabezado de sección ═══════════════════════════════ */
.section__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: var(--md);
  margin-bottom: var(--lg);
}
.section__head--center { justify-content: center; text-align: center; }
.section__intro { max-width: 42ch; font-size: 1rem; line-height: 1.65; }
.section__intro--flush { margin-top: var(--sm); }
.section__intro--center { margin: var(--sm) auto 0; }

@media (max-width: 780px) {
  .section__head { flex-direction: column; align-items: flex-start; }
}

/* ═══ Cards de servicios ══════════════════════════════════ */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--sm);
}
.card {
  position: relative;
  border: 1px solid var(--outline-variant);
  background: var(--surface);
  padding: var(--md);
  transition: background-color .25s, border-color .25s;
}
.card:hover { background: var(--surface-alt); border-color: var(--primary); }
.card__ico { display: block; margin-bottom: var(--md); }
.card__ico svg { width: 40px; height: 40px; fill: var(--primary); }
.card h3 { margin-bottom: var(--xs); }
.card p  { font-size: 15px; line-height: 1.6; margin-bottom: var(--md); }
.card__ref { color: var(--outline); font-size: 10px; }

/* ═══ Split (media + copy) ════════════════════════════════ */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--xl);
  align-items: center;
}
.split--reverse .split__copy { order: -1; }
.split--contact { align-items: start; }

@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; gap: var(--lg); }
  .split--reverse .split__copy { order: 0; }
}

/* ═══ Specs ═══════════════════════════════════════════════ */
.specs { display: grid; gap: var(--xs); margin-top: var(--md); }
.spec {
  display: flex;
  align-items: center;
  gap: var(--sm);
  background: var(--surface);
  border: 1px solid var(--outline-variant);
  padding: var(--sm);
}
.spec__val {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  flex: none;
  min-width: 108px;
  letter-spacing: -.02em;
}
.spec__val small { font-size: 11px; font-weight: 500; display: block; letter-spacing: .04em; }
.spec dd strong { display: block; font-size: 13px; color: var(--on-surface); font-weight: 600; }
.spec dd span   { display: block; font-size: 14px; margin-top: 2px; }

@media (max-width: 480px) {
  .spec { flex-direction: column; align-items: flex-start; gap: var(--xs); }
  .spec__val { min-width: 0; }
}

/* ═══ Chips de materiales ═════════════════════════════════ */
.materiales { margin-top: var(--md); }
.materiales__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--outline);
  margin-bottom: 10px;
}
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips li {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--on-surface-variant);
  background: var(--surface-hover);
  border: 1px solid var(--hairline);
  border-radius: var(--r-sm);
  padding: 5px 10px;
}

/* ═══ Bento de trabajos ═══════════════════════════════════ */
/* Grilla de 4 columnas donde cada pieza cae en el molde que le queda mejor:
   .b-tall para las fotos verticales, .b-wide para las apaisadas, .b-big
   para la que mejor aguanta el tamaño grande. Así ninguna se recorta de más. */
.bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 220px;
  gap: var(--sm);
}
.b-tall { grid-row: span 2; }
.b-big  { grid-column: span 2; grid-row: span 2; }
.b-wide { grid-column: span 2; }

.bento img { transition: transform .5s ease; }
.bento .frame:hover img { transform: scale(1.05); }
@media (prefers-reduced-motion: reduce) {
  .bento .frame:hover img { transform: none; }
}

@media (max-width: 780px) {
  .bento { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 170px; }
}
@media (max-width: 460px) {
  /* Una sola columna: los spans horizontales dejarían huecos. */
  .bento { grid-template-columns: 1fr; grid-auto-rows: 240px; }
  .b-big, .b-wide { grid-column: span 1; }
  .b-big  { grid-row: span 2; }
  .b-tall { grid-row: span 2; }
}

.trabajos__cta {
  margin-top: var(--md);
  text-align: center;
  font-size: 15px;
}

/* ═══ Mascotas ════════════════════════════════════════════ */
.section--dark .split__copy > * + * { margin-top: var(--md); }
.feat { display: grid; gap: 10px; }
.feat li {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  line-height: 1.55;
}
.feat li::before {
  content: '';
  position: absolute; left: 0; top: .5em;
  width: 8px; height: 8px;
  background: #7ea2ff;
}

/* ═══ Contacto ════════════════════════════════════════════ */
.contact__list { display: grid; gap: var(--xs); margin-top: var(--lg); }
.contact__item {
  display: flex;
  align-items: center;
  gap: var(--sm);
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--outline-variant);
  text-decoration: none;
  transition: border-color .18s, background-color .18s;
}
a.contact__item:hover { border-color: var(--primary); background: var(--surface-sunken); }
.contact__ico {
  flex: none;
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border: 1px solid var(--hairline);
  background: var(--surface-alt);
}
.contact__ico svg { width: 20px; height: 20px; fill: var(--primary); }
.contact__label { display: block; color: var(--outline); font-size: 10px; }
.contact__text strong { font-size: 15px; color: var(--on-surface); font-weight: 600; }

/* ═══ Formulario ══════════════════════════════════════════ */
.form {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--outline-variant);
  padding: var(--md);
  display: grid;
  gap: var(--sm);
}
.form::before {
  content: '';
  position: absolute; top: -1px; right: -1px;
  width: 10px; height: 10px;
  border-top: 2px solid var(--primary);
  border-right: 2px solid var(--primary);
}
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sm); }
@media (max-width: 520px) { .form__row { grid-template-columns: 1fr; } }

.field { display: grid; gap: 6px; }
.field label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--outline);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--on-surface);
  background: var(--surface);
  border: 1px solid var(--outline-variant);
  border-radius: var(--r);
  padding: 12px;
  transition: border-color .18s, box-shadow .18s;
}
.field textarea { resize: vertical; min-height: 110px; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--primary-bright);
  box-shadow: 0 0 0 1px var(--primary-bright);
}
.field ::placeholder { color: var(--outline); opacity: .8; }

.form__note { font-size: 13px; color: var(--outline); text-align: center; }

/* Trampa antispam: fuera de vista pero sin display:none, que algunos bots detectan. */
.hp {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%);
  white-space: nowrap; border: 0;
}

.form__status {
  font-size: 14px;
  line-height: 1.5;
  padding: 12px;
  border: 1px solid;
  border-radius: var(--r);
}
.form__status--ok    { color: #0f5c2e; background: #e7f6ec; border-color: #a8dcbc; }
.form__status--error { color: #93000a; background: #ffdad6; border-color: #f3b4ae; }
.form__status--error .link { color: inherit; }

.btn:disabled { opacity: .6; cursor: progress; }

/* ═══ Footer ══════════════════════════════════════════════ */
.site-footer { background: var(--surface); border-top: 1px solid var(--hairline); }
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--md);
  padding-block: var(--lg);
}
.footer__brand p { font-size: 14px; margin-top: 10px; line-height: 1.6; }

.footer__links { display: flex; flex-wrap: wrap; gap: var(--md); }
.footer__links a {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--on-surface-variant);
  text-decoration: none;
}
.footer__links a:hover { color: var(--primary); }

.footer__social a {
  display: grid; place-items: center;
  width: 38px; height: 38px;
  border: 1px solid var(--outline-variant);
  transition: border-color .18s;
}
.footer__social a:hover { border-color: var(--primary); }
.footer__social svg { width: 17px; height: 17px; fill: var(--on-surface-variant); }
.footer__social a:hover svg { fill: var(--primary); }

.footer__legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--xs);
  padding-block: var(--sm);
  border-top: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--outline);
}