/* ============================================================================
   INGEMET · COMPONENTES
   Piezas reutilizables entre la portada y las fichas de producto.
   ========================================================================== */

/* --- Transición entre páginas -------------------------------------------- */

@view-transition {
  navigation: auto;
}

::view-transition-old(root) {
  animation: vt-out 220ms var(--ease-in-out) both;
}

::view-transition-new(root) {
  animation: vt-in 420ms var(--ease-out) both;
}

@keyframes vt-out {
  to {
    opacity: 0;
  }
}

@keyframes vt-in {
  from {
    opacity: 0;
    transform: translate3d(0, 14px, 0);
  }
}

/* Respaldo para navegadores sin View Transitions. */
.page-veil {
  position: fixed;
  inset: 0;
  z-index: 900;
  background: var(--ink);
  opacity: 0;
  visibility: hidden;
  transition: opacity 260ms var(--ease-in-out), visibility 260ms;
}

.page-veil.is-on {
  opacity: 1;
  visibility: visible;
}

/* --- Barra de progreso ---------------------------------------------------- */

/* Enlace de salto: aparece solo al llegar con el teclado. */
.skip {
  position: fixed;
  inset-block-start: 10px;
  inset-inline-start: 10px;
  z-index: 300;
  transform: translateY(-160%);
  transition: transform var(--d-base) var(--ease-spring);
}

.skip:focus-visible {
  transform: none;
}

.progress {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 120;
  height: 2px;
  background: linear-gradient(90deg, var(--teal-deep), var(--teal-bright));
  transform: scaleX(0);
  transform-origin: 0 50%;
}

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

.site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  border-block-end: 1px solid transparent;
  transition:
    background var(--d-base) var(--ease-out),
    border-color var(--d-base) var(--ease-out),
    backdrop-filter var(--d-base) var(--ease-out);
}

.site-header.is-stuck {
  background: color-mix(in srgb, var(--ink) 78%, transparent);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-block-end-color: var(--line);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--s-5);
  width: min(var(--container), 100% - var(--gutter) * 2);
  margin-inline: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding-block: 9px;
  flex-shrink: 0;
  transition: opacity var(--d-fast) var(--ease-out);
}

.brand:hover {
  opacity: 0.75;
}

.brand img {
  width: auto;
  height: 30px;
}

/* El logotipo mantiene el reconocimiento inmediato; el descriptor da escala
   y contexto B2B sin competir con la navegación. */
.brand::after {
  content: "PRODUCTOS METÁLICOS";
  padding-inline-start: var(--s-3);
  border-inline-start: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--fog-dim);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--s-1);
  margin-inline-start: auto;
}

.nav__link {
  position: relative;
  padding: 9px 14px;
  border-radius: var(--r-sm);
  font-size: var(--t-sm);
  font-weight: 500;
  color: var(--fog);
  transition: color var(--d-fast) var(--ease-out);
}

.nav__link:hover {
  color: var(--chalk);
}

.nav__link::after {
  content: "";
  position: absolute;
  inset-block-end: 2px;
  inset-inline-start: 14px;
  width: 0;
  height: 1px;
  background: var(--teal);
  transition: width var(--d-base) var(--ease-out);
}

.nav__link.is-active {
  color: var(--chalk);
}

.nav__link.is-active::after {
  width: calc(100% - 28px);
}

.site-header__cta {
  margin-inline-start: var(--s-4);
}

/* Botón hamburguesa */
.burger {
  display: none;
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  margin-inline-start: auto;
  border-radius: var(--r-sm);
  position: relative;
}

.burger span {
  position: absolute;
  inset-inline: 11px;
  height: 1.5px;
  background: var(--chalk);
  border-radius: 2px;
  transition: transform var(--d-base) var(--ease-out), opacity var(--d-fast);
}

.burger span:nth-child(1) {
  inset-block-start: 15px;
}

.burger span:nth-child(2) {
  inset-block-start: 20.5px;
}

.burger span:nth-child(3) {
  inset-block-start: 26px;
}

.burger.is-open span:nth-child(1) {
  transform: translateY(5.5px) rotate(45deg);
}

.burger.is-open span:nth-child(2) {
  opacity: 0;
}

.burger.is-open span:nth-child(3) {
  transform: translateY(-5.5px) rotate(-45deg);
}

@media (max-width: 920px) {
  .brand::after {
    display: none;
  }

  .burger {
    display: block;
  }

  /* Especificidad elevada a propósito: el bloque .btn se declara más
     abajo en este archivo y, con un solo selector de clase, ganaría por
     orden de aparición. */
  .site-header .site-header__cta {
    display: none;
  }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: var(--s-4) var(--gutter) var(--s-6);
    background: color-mix(in srgb, var(--ink) 96%, transparent);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-block-end: 1px solid var(--line);
    clip-path: inset(0 0 100% 0);
    transition: clip-path 420ms var(--ease-out);
  }

  .nav.is-open {
    clip-path: inset(0 0 0 0);
  }

  .nav__link {
    padding: 16px 0;
    font-size: var(--t-lg);
    border-block-end: 1px solid var(--line-soft);
    border-radius: 0;
  }

  .nav__link::after {
    inset-inline-start: 0;
  }

  .nav__link.is-active::after {
    width: 34px;
  }
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  padding: 13px 22px;
  border-radius: var(--r-sm);
  font-size: var(--t-sm);
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
  cursor: pointer;
  transition:
    background var(--d-fast) var(--ease-out),
    color var(--d-fast) var(--ease-out),
    border-color var(--d-fast) var(--ease-out),
    transform var(--d-fast) var(--ease-out),
    box-shadow var(--d-base) var(--ease-out);
}

.btn:active {
  transform: translateY(1px);
}

.btn__arrow {
  display: inline-block;
  transition: transform var(--d-base) var(--ease-spring);
}

.btn:hover .btn__arrow {
  transform: translateX(4px);
}

.btn--primary {
  background: var(--teal);
  color: #04211e;
  border: 1px solid var(--teal);
}

.btn--primary:hover {
  background: var(--teal-bright);
  border-color: var(--teal-bright);
  box-shadow: var(--glow-teal);
}

.btn--ghost {
  background: transparent;
  color: var(--chalk);
  border: 1px solid var(--line-strong);
}

.btn--ghost:hover {
  background: var(--steel);
  border-color: var(--fog-dim);
}

.btn--quiet {
  padding-block: 10px;
  padding-inline: 0;
  color: var(--teal);
  border: 0;
  background: none;
}

.btn--quiet:hover {
  color: var(--teal-bright);
}

.btn--wide {
  width: 100%;
}

.btn--lg {
  padding: 16px 28px;
  font-size: var(--t-base);
}

.btn__icon {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}

/* --- Glifo de sección -----------------------------------------------------
   Dibujo técnico de la sección transversal del producto. Es el sistema de
   identificación del catálogo: cada familia se reconoce por su corte.      */

.glyph {
  display: block;
  color: var(--teal);
  overflow: visible;
}

.glyph path,
.glyph circle,
.glyph rect,
.glyph polyline {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.35;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.glyph .glyph__axis {
  stroke: var(--amber);
  stroke-dasharray: 4 3.5;
  opacity: 0.6;
  stroke-width: 1;
}

/* Trazo animado al entrar en vista o al pasar el cursor. */
.glyph--draw path,
.glyph--draw circle,
.glyph--draw rect,
.glyph--draw polyline {
  stroke-dasharray: var(--len, 260);
  stroke-dashoffset: var(--len, 260);
  transition: stroke-dashoffset 1.1s var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
}

.glyph--draw.is-drawn path,
.glyph--draw.is-drawn circle,
.glyph--draw.is-drawn rect,
.glyph--draw.is-drawn polyline {
  stroke-dashoffset: 0;
}

/* --- Tarjeta de producto --------------------------------------------------
   La fotografía manda. La tipografía y el glifo se colocan encima sin
   competir con ella.                                                        */

.pcard {
  position: relative;
  display: flex;
  flex-direction: column;
  isolation: isolate;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--graphite);
  overflow: hidden;
  transition:
    border-color var(--d-base) var(--ease-out),
    transform var(--d-base) var(--ease-out),
    box-shadow var(--d-base) var(--ease-out);
}

.pcard:hover {
  border-color: color-mix(in srgb, var(--teal) 45%, transparent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pcard__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #05080a;
  --pcard-image-shift: -8%;
}

.pcard__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* Las fotografías editoriales son verticales y las tarjetas horizontales.
     La escala da margen de recorte y el desplazamiento eleva el material
     dentro de la card sin mover ni redimensionar el contenedor. */
  object-position: center 80%;
  transform: translateY(var(--pcard-image-shift)) scale(1.14);
  transition: transform 900ms var(--ease-out), opacity var(--d-slow) var(--ease-out);
}

/* Tubos y cañerías concentran el material más abajo que el resto de las
   familias, por eso reciben un encuadre ligeramente más alto. */
.pcard[data-product="tubos"] .pcard__media img {
  object-position: center 86%;
}

.pcard[data-product="tubos"] .pcard__media {
  --pcard-image-shift: -11%;
}

.pcard[data-product="canerias"] .pcard__media img {
  object-position: center 83%;
}

.pcard[data-product="canerias"] .pcard__media {
  --pcard-image-shift: -10%;
}

.pcard:hover .pcard__media img {
  transform: translateY(var(--pcard-image-shift)) scale(1.19);
}

.pcard__media::before {
  content: "";
  position: absolute;
  inset-block: -20%;
  inset-inline-start: -42%;
  z-index: 1;
  width: 26%;
  background: linear-gradient(to right, transparent, rgba(237, 243, 247, 0.18), transparent);
  transform: skewX(-18deg) translateX(-120%);
  transition: transform 900ms var(--ease-out);
  pointer-events: none;
}

.pcard:hover .pcard__media::before {
  transform: skewX(-18deg) translateX(650%);
}

/* Velo inferior para que el texto siempre tenga contraste. */
.pcard__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(6, 9, 12, 0.94) 0%,
    rgba(6, 9, 12, 0.5) 32%,
    rgba(6, 9, 12, 0) 62%
  );
  pointer-events: none;
}

.pcard__index {
  position: absolute;
  inset-block-start: var(--s-4);
  inset-inline-start: var(--s-4);
  z-index: 2;
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  font-weight: 500;
  letter-spacing: var(--track-mono);
  color: var(--fog);
}

.pcard__glyph {
  position: absolute;
  inset-block-start: var(--s-4);
  inset-inline-end: var(--s-4);
  z-index: 2;
  width: 34px;
  height: 34px;
  color: var(--fog-dim);
  transition: color var(--d-base) var(--ease-out), transform var(--d-slow) var(--ease-out);
}

.pcard:hover .pcard__glyph {
  color: var(--teal);
  transform: rotate(90deg);
}

.pcard__caption {
  position: absolute;
  inset-block-end: 0;
  inset-inline: 0;
  z-index: 2;
  padding: var(--s-5);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--s-4);
}

.pcard__name {
  font-size: var(--t-xl);
  font-weight: 600;
  letter-spacing: var(--track-display);
}

.pcard__variants {
  display: block;
  margin-block-start: 4px;
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  letter-spacing: var(--track-mono);
  text-transform: uppercase;
  color: var(--fog);
}

.pcard__go {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  color: var(--chalk);
  transition:
    background var(--d-base) var(--ease-out),
    color var(--d-base) var(--ease-out),
    border-color var(--d-base) var(--ease-out);
}

.pcard:hover .pcard__go {
  background: var(--teal);
  border-color: var(--teal);
  color: #04211e;
}

.pcard__body {
  flex: 1;
  min-height: 6.75rem;
  padding: var(--s-5);
  border-block-start: 1px solid var(--line-soft);
}

.pcard__body p {
  font-size: var(--t-sm);
  color: var(--fog);
  line-height: var(--lh-relaxed);
}

/* --- Chips ---------------------------------------------------------------- */

.chip {
  display: inline-flex;
  align-items: baseline;
  gap: var(--s-2);
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--steel);
  font-size: var(--t-sm);
  font-weight: 500;
  color: var(--fog);
  cursor: pointer;
  transition:
    border-color var(--d-fast) var(--ease-out),
    color var(--d-fast) var(--ease-out),
    background var(--d-fast) var(--ease-out);
}

.chip:hover {
  color: var(--chalk);
  border-color: var(--fog-dim);
}

.chip.is-on {
  background: color-mix(in srgb, var(--teal) 14%, transparent);
  border-color: var(--teal);
  color: var(--chalk);
}

.chip small {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fog-dim);
}

.chip.is-on small {
  color: var(--teal);
}

/* --- Tabla técnica -------------------------------------------------------- */

.spec {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--graphite);
}

.spec table {
  font-size: var(--t-sm);
}

.spec thead th {
  padding: 14px 20px;
  text-align: start;
  background: var(--steel);
  border-block-end: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  font-weight: 500;
  letter-spacing: var(--track-mono);
  text-transform: uppercase;
  color: var(--fog);
  white-space: nowrap;
}

.spec tbody tr {
  transition: background var(--d-fast) var(--ease-out);
}

.spec tbody tr:hover {
  background: color-mix(in srgb, var(--teal) 5%, transparent);
}

.spec tbody td {
  padding: 15px 20px;
  border-block-end: 1px solid var(--line-soft);
  color: var(--fog);
  vertical-align: top;
}

.spec tbody tr:last-child td {
  border-block-end: 0;
}

.spec tbody td:first-child {
  color: var(--chalk);
  font-weight: 500;
  width: 26%;
}

.spec tbody td:last-child {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  color: var(--fog-dim);
  width: 28%;
}

@media (max-width: 720px) {
  .spec table,
  .spec thead,
  .spec tbody,
  .spec tr,
  .spec td {
    display: block;
    width: 100%;
  }

  .spec thead {
    display: none;
  }

  .spec tbody tr {
    padding: var(--s-4) var(--s-5);
    border-block-end: 1px solid var(--line-soft);
  }

  .spec tbody td {
    padding: 3px 0;
    border: 0;
    width: 100% !important;
  }

  .spec tbody td::before {
    content: attr(data-th) " ";
    font-family: var(--font-mono);
    font-size: 0.625rem;
    letter-spacing: var(--track-mono);
    text-transform: uppercase;
    color: var(--fog-dim);
    display: block;
    margin-block-end: 2px;
  }

  .spec tbody td:first-child::before {
    display: none;
  }

  .spec tbody td:first-child {
    font-size: var(--t-base);
    margin-block-end: var(--s-2);
  }
}

/* --- Acordeón FAQ ---------------------------------------------------------- */

.faq {
  border-block-start: 1px solid var(--line);
}

.faq__item {
  border-block-end: 1px solid var(--line);
}

.faq__q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-5);
  padding: var(--s-5) 0;
  text-align: start;
  font-size: var(--t-lg);
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--chalk);
  transition: color var(--d-fast) var(--ease-out);
}

.faq__q:hover {
  color: var(--teal);
}

.faq__sign {
  position: relative;
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.faq__sign::before,
.faq__sign::after {
  content: "";
  position: absolute;
  inset-block-start: 50%;
  inset-inline-start: 0;
  width: 100%;
  height: 1.5px;
  background: currentColor;
  transform: translateY(-50%);
  transition: transform var(--d-base) var(--ease-out), opacity var(--d-fast);
}

.faq__sign::after {
  transform: translateY(-50%) rotate(90deg);
}

.faq__item.is-open .faq__sign::after {
  transform: translateY(-50%) rotate(0deg);
  opacity: 0;
}

.faq__a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--d-slow) var(--ease-out);
}

.faq__item.is-open .faq__a {
  grid-template-rows: 1fr;
}

.faq__a > div {
  overflow: hidden;
}

.faq__a p {
  padding-block-end: var(--s-5);
  max-width: 72ch;
  color: var(--fog);
  line-height: var(--lh-relaxed);
}

/* --- Formulario ------------------------------------------------------------ */

.field {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}

.field--full {
  grid-column: 1 / -1;
}

.field label {
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  font-weight: 500;
  letter-spacing: var(--track-mono);
  text-transform: uppercase;
  color: var(--fog-dim);
  transition: color var(--d-fast) var(--ease-out);
}

.field:focus-within label {
  color: var(--teal);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 15px;
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  color: var(--chalk);
  font-size: var(--t-sm);
  transition: border-color var(--d-fast) var(--ease-out), background var(--d-fast) var(--ease-out);
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--fog-dim);
}

.field input:hover,
.field select:hover,
.field textarea:hover {
  border-color: var(--line-strong);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--teal);
  background: var(--graphite);
}

.field textarea {
  resize: vertical;
  min-height: 130px;
  line-height: var(--lh-relaxed);
}

.field select {
  min-height: 48px;
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--fog-dim) 50%),
    linear-gradient(135deg, var(--fog-dim) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  cursor: pointer;
}

.field__error {
  display: none;
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  letter-spacing: 0.06em;
  color: var(--amber);
}

.field.has-error input,
.field.has-error select,
.field.has-error textarea {
  border-color: var(--amber);
}

.field.has-error .field__error {
  display: block;
}

/* --- WhatsApp ------------------------------------------------------------- */

.wa {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  padding: 12px 20px 12px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--steel);
  text-align: start;
  cursor: pointer;
  transition:
    border-color var(--d-base) var(--ease-out),
    background var(--d-base) var(--ease-out),
    transform var(--d-base) var(--ease-out);
}

.wa:hover {
  border-color: color-mix(in srgb, var(--teal) 55%, transparent);
  background: var(--steel-2);
  transform: translateY(-2px);
}

.wa__mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: var(--r-pill);
  background: #1f9d55;
  flex-shrink: 0;
}

.wa__mark img {
  width: 21px;
  height: 21px;
}

.wa__text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.wa__text strong {
  font-size: var(--t-sm);
  font-weight: 600;
}

.wa__text small {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fog-dim);
}

/* Botón flotante */
.wa-fab {
  position: fixed;
  inset-block-end: 22px;
  inset-inline-end: 22px;
  z-index: 95;
  opacity: 0;
  transform: translateY(14px) scale(0.94);
  pointer-events: none;
  transition:
    opacity var(--d-base) var(--ease-out),
    transform var(--d-base) var(--ease-spring);
  box-shadow: var(--shadow-lg);
}

.wa-fab.is-on {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

@media (max-width: 560px) {
  .wa-fab .wa__text {
    display: none;
  }

  .wa-fab {
    padding: 10px;
    inset-block-end: 16px;
    inset-inline-end: 16px;
  }
}

/* --- Aviso emergente ------------------------------------------------------ */

.toast {
  position: fixed;
  inset-block-end: 24px;
  inset-inline-start: 50%;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: var(--s-3);
  max-width: min(440px, calc(100vw - 32px));
  padding: 14px 18px;
  background: var(--steel);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  font-size: var(--t-sm);
  color: var(--chalk);
  transform: translate(-50%, 20px);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--d-base) var(--ease-out),
    transform var(--d-base) var(--ease-spring),
    visibility var(--d-base);
}

.toast.is-on {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

.toast::before {
  content: "";
  width: 3px;
  align-self: stretch;
  border-radius: 2px;
  background: var(--amber);
  flex-shrink: 0;
}

/* --- Pie de página -------------------------------------------------------- */

.site-footer {
  position: relative;
  z-index: 1;
  border-block-start: 1px solid var(--line);
  background: var(--ink-2);
  padding-block: var(--s-8) var(--s-6);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) repeat(3, minmax(0, 1fr));
  gap: var(--s-7) var(--s-5);
}

.site-footer__brand img {
  height: 28px;
  width: auto;
  margin-block-end: var(--s-4);
}

.site-footer__brand p {
  font-size: var(--t-sm);
  color: var(--fog);
  line-height: var(--lh-relaxed);
  max-width: 42ch;
}

.site-footer__brand strong {
  color: var(--chalk);
  font-weight: 600;
}

.fcol {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.fcol > span {
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  font-weight: 500;
  letter-spacing: var(--track-mono);
  text-transform: uppercase;
  color: var(--fog-dim);
  margin-block-end: var(--s-1);
}

.fcol a,
.fcol p {
  padding-block: 6px;
  font-size: var(--t-sm);
  color: var(--fog);
  transition: color var(--d-fast) var(--ease-out);
  width: fit-content;
}

.fcol a:hover {
  color: var(--teal);
}

.site-footer__base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  margin-block-start: var(--s-7);
  padding-block-start: var(--s-5);
  border-block-start: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: var(--t-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fog-dim);
}

@media (max-width: 860px) {
  .site-footer__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 480px) {
  .site-footer__grid {
    grid-template-columns: 1fr;
  }
}

/* --- Página 404 ----------------------------------------------------------- */

.error-page {
  min-height: 100svh;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 78% 22%, rgba(15, 196, 181, 0.1), transparent 28rem),
    linear-gradient(145deg, var(--ink), var(--graphite));
}

.error-page__inner {
  padding-block: clamp(4rem, 12vw, 9rem);
}

.error-page .brand {
  display: inline-flex;
  margin-block-end: clamp(4rem, 10vw, 8rem);
}

.error-page .u-mono {
  color: var(--teal);
}

.error-page h1 {
  max-width: 12ch;
  margin-block: var(--s-3);
  font-size: clamp(2.6rem, 7vw, 6.5rem);
  line-height: 0.96;
  letter-spacing: -0.055em;
}

.error-page__lead {
  max-width: 55ch;
  color: var(--fog);
  line-height: var(--lh-relaxed);
}

.error-page__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  margin-block-start: var(--s-6);
}