/* ==========================================================================
   Siety Compliance — componentes: botón, enlace, etiqueta, campo,
   header y footer
   ========================================================================== */

/* --- Iconos ------------------------------------------------------------- */

.icon {
  flex: none;
  width: 1em;
  height: 1em;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* --- Botón -------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  min-height: var(--control-h);
  padding: 0 var(--s-5);
  border: var(--border) solid transparent;
  border-radius: var(--radius-s);
  background: var(--accent);
  color: var(--on-accent);
  font-size: 1rem;
  font-weight: var(--fw-medium);
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  transition:
    background-color var(--dur-hover) var(--ease),
    border-color var(--dur-hover) var(--ease),
    color var(--dur-hover) var(--ease);
}

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

.btn .icon {
  transition: transform var(--dur-hover) var(--ease);
}

.btn:hover .icon--arrow {
  transform: translateX(3px);
}

.btn--secondary {
  border-color: var(--line-strong);
  background: transparent;
  color: var(--text-1);
}

.btn--secondary:hover {
  border-color: var(--text-1);
  background: var(--surface-2);
}

.btn--sm {
  min-height: var(--tap);
  padding: 0 var(--s-4);
  font-size: 0.9375rem;
}

.btn[disabled],
.btn[aria-disabled="true"] {
  border-color: var(--line);
  background: var(--surface-2);
  color: var(--text-3);
  cursor: not-allowed;
}

/* Sobre superficie oscura el botón principal se invierte */
.on-ink .btn:not(.btn--secondary) {
  background: var(--on-ink-1);
  color: var(--ink);
}

.on-ink .btn:not(.btn--secondary):hover {
  background: var(--accent-on-ink);
}

/* --- Enlace ------------------------------------------------------------- */

.link {
  color: var(--link);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: text-decoration-color var(--dur-hover) var(--ease);
}

.link:hover {
  text-decoration-thickness: 2px;
}

/* Enlace suelto, fuera de un párrafo: área táctil completa */
.link--tap {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  min-height: var(--tap);
  color: var(--link);
  font-weight: var(--fw-medium);
  text-decoration: none;
}

.link-arrow span {
  background: linear-gradient(currentColor, currentColor) 0 100% / 0 1px no-repeat;
  transition: background-size var(--dur-hover) var(--ease);
}

.link-arrow:hover span {
  background-size: 100% 1px;
}

.link-arrow .icon {
  transition: transform var(--dur-hover) var(--ease);
}

.link-arrow:hover .icon {
  transform: translateX(3px);
}

/* --- Etiqueta (categorías) --------------------------------------------- */

.chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0 var(--s-3);
  border: var(--border) solid var(--line);
  border-radius: var(--radius-s);
  background: var(--surface);
  color: var(--text-2);
  font-size: var(--fs-small);
  line-height: 1;
  text-decoration: none;
  transition:
    border-color var(--dur-hover) var(--ease),
    color var(--dur-hover) var(--ease),
    background-color var(--dur-hover) var(--ease);
}

/* Amplía el área táctil a 44 px sin agrandar la etiqueta */
a.chip::after {
  content: "";
  position: absolute;
  inset: -0.375rem 0;
}

a.chip:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.chip[aria-current="true"] {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

/* --- Campo de formulario ------------------------------------------------ */

.field {
  display: grid;
  align-content: start;
  gap: var(--s-2);
}

.field__label {
  color: var(--text-1);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  line-height: 1.3;
}

.field__input {
  width: 100%;
  min-height: var(--control-h);
  padding: 0 var(--s-4);
  border: var(--border) solid var(--line-strong);
  border-radius: var(--radius-s);
  background: var(--surface);
  color: var(--text-1);
  transition: border-color var(--dur-hover) var(--ease);
}

textarea.field__input {
  min-height: 7.5rem;
  padding-block: var(--s-3);
  line-height: var(--lh-body);
  resize: vertical;
}

select.field__input {
  padding-right: var(--s-7);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234b4763' stroke-width='1.75' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-position: right var(--s-4) center;
  background-size: 1.125rem;
  background-repeat: no-repeat;
}

.field__input::placeholder {
  color: var(--text-3);
  opacity: 1;
}

.field__input:hover {
  border-color: var(--text-2);
}

.field__input:focus-visible {
  border-color: var(--focus);
  outline-offset: 1px;
}

.field__help {
  color: var(--text-3);
  font-size: var(--fs-small);
  line-height: var(--lh-small);
}

.field--error .field__input {
  border-color: var(--danger);
}

.field--error .field__help {
  color: var(--danger);
}

/* --- Header ------------------------------------------------------------- */

.header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: var(--border) solid var(--line);
  background: var(--bg);
}

.header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-5);
  height: var(--header-h);
}

.header__logo {
  display: flex;
  flex: none;
  align-items: center;
  min-height: var(--tap);
}

.header__logo img {
  width: auto;
  height: 3rem;
}

.header__actions {
  display: flex;
  flex: none;
  align-items: center;
  gap: var(--s-2);
}

.menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: var(--tap);
  height: var(--tap);
  margin-right: calc(var(--s-2) * -1);
  padding: 0;
  border: 0;
  border-radius: var(--radius-s);
  background: transparent;
  color: var(--text-1);
}

.menu-btn .icon {
  width: 1.5rem;
  height: 1.5rem;
}

.menu-btn .icon--close,
[data-menu="open"] .menu-btn .icon--menu {
  display: none;
}

[data-menu="open"] .menu-btn .icon--close {
  display: block;
}

/* --- Navegación --------------------------------------------------------- */

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  margin: 0;
}

.nav__item {
  position: relative;
  display: flex;
  align-items: center;
}

.nav__link {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  min-height: var(--tap);
  padding: 0 var(--s-3);
  border: 0;
  border-radius: var(--radius-s);
  background: transparent;
  color: var(--text-1);
  font-size: 0.9375rem;
  font-weight: var(--fw-medium);
  line-height: 1.2;
  text-decoration: none;
  transition: color var(--dur-hover) var(--ease);
}

.nav__link:hover,
.nav__link[aria-current="page"] {
  color: var(--accent);
}

.nav__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--tap);
  height: var(--tap);
  margin-left: calc(var(--s-4) * -1);
  margin-right: calc(var(--s-2) * -1);
  padding: 0;
  border: 0;
  border-radius: var(--radius-s);
  background: transparent;
  color: var(--text-2);
}

.nav__toggle:focus-visible {
  outline-offset: -6px;
}

.nav__toggle .icon,
.nav__link .icon {
  transition: transform var(--dur-hover) var(--ease);
}

.nav__item[data-open] .icon--chevron {
  transform: rotate(180deg);
}

.nav__panel {
  position: absolute;
  top: calc(100% + var(--s-2));
  left: 0;
  z-index: 10;
  min-width: 17.5rem;
  margin: 0;
  padding: var(--s-2);
  border: var(--border) solid var(--line);
  border-radius: var(--radius-m);
  background: var(--surface);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-0.25rem);
  transition:
    opacity var(--dur-hover) var(--ease),
    transform var(--dur-hover) var(--ease),
    visibility 0s linear var(--dur-hover);
}

/* Puente invisible para que el cursor no pierda el panel al bajar */
.nav__panel::before {
  content: "";
  position: absolute;
  inset: calc(var(--s-2) * -1 - 1px) 0 auto;
  height: var(--s-2);
}

.nav__panel--wide {
  columns: 2;
  column-gap: var(--s-2);
  min-width: 35rem;
}

.nav__panel li {
  break-inside: avoid;
}

.nav__item[data-open] > .nav__panel {
  opacity: 1;
  visibility: visible;
  transform: none;
  transition-delay: 0s;
}

.nav__panel a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  min-height: var(--tap);
  padding: var(--s-2) var(--s-3);
  border-radius: var(--radius-s);
  color: var(--text-1);
  font-size: 0.9375rem;
  line-height: 1.3;
  text-decoration: none;
  transition:
    background-color var(--dur-hover) var(--ease),
    color var(--dur-hover) var(--ease);
}

.nav__panel a:hover {
  background: var(--surface-2);
  color: var(--accent);
}

.nav__panel a[aria-current="page"] {
  color: var(--accent);
}

.nav__panel .icon {
  color: var(--text-3);
}

.nav__cta {
  display: none;
}

@media (hover: hover) and (min-width: 64em) {
  .nav__item:not([data-suppress]):hover > .nav__panel {
    opacity: 1;
    visibility: visible;
    transform: none;
    transition-delay: 0s;
  }
}

/* --- Navegación en móvil y tablet -------------------------------------- */

@media (max-width: 63.99em) {
  .menu-btn {
    display: inline-flex;
  }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 0;
    z-index: 40;
    padding: var(--s-2) var(--gutter) var(--s-7);
    overflow-y: auto;
    overscroll-behavior: contain;
    background: var(--bg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.5rem);
    transition:
      opacity var(--dur-hover) var(--ease),
      transform var(--dur-hover) var(--ease),
      visibility 0s linear var(--dur-hover);
  }

  [data-menu="open"] .nav {
    opacity: 1;
    visibility: visible;
    transform: none;
    transition-delay: 0s;
  }

  [data-menu="open"] body {
    overflow: hidden;
  }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav__item {
    display: grid;
    grid-template-columns: 1fr auto;
    border-bottom: var(--border) solid var(--line);
  }

  .nav__link {
    justify-content: space-between;
    min-height: 3.5rem;
    padding: 0;
    font-size: 1.1875rem;
    text-align: left;
  }

  button.nav__link {
    grid-column: 1 / -1;
    width: 100%;
  }

  .nav__toggle {
    width: 3.5rem;
    height: 3.5rem;
    margin: 0 calc(var(--s-4) * -1) 0 0;
    color: var(--text-1);
  }

  .nav__toggle .icon,
  button.nav__link .icon {
    width: 1.25rem;
    height: 1.25rem;
  }

  .nav__panel,
  .nav__panel--wide {
    position: static;
    grid-column: 1 / -1;
    display: none;
    min-width: 0;
    padding: 0 0 var(--s-3);
    border: 0;
    columns: 1;
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: none;
  }

  .nav__panel::before {
    content: none;
  }

  .nav__item[data-open] > .nav__panel {
    display: block;
  }

  .nav__panel a {
    min-height: 3rem;
    padding-inline: 0;
    color: var(--text-2);
    font-size: 1rem;
  }

  .nav__panel a:hover {
    background: transparent;
  }

  .nav__cta {
    display: block;
    margin-top: var(--s-6);
  }

  .nav__cta .btn {
    width: 100%;
  }
}

@media (max-width: 39.99em) {
  .header__cta {
    display: none;
  }

  .header__logo img {
    height: 2.5rem;
  }
}

/* --- Footer ------------------------------------------------------------- */

.footer {
  padding-block: var(--s-9) var(--s-6);
  background: var(--ink);
  color: var(--text-1);
}

.footer__top {
  display: grid;
  gap: var(--s-6);
  padding-bottom: var(--s-8);
}

.footer__logo {
  width: auto;
  height: 3rem;
}

.footer__claim {
  max-width: 14ch;
  font-size: var(--fs-h2);
  font-weight: var(--fw-bold);
  line-height: var(--lh-h2);
  letter-spacing: var(--track-h2);
}

.footer__cols {
  display: grid;
  gap: var(--s-7) var(--s-6);
  padding-block: var(--s-7);
  border-top: var(--border) solid var(--line);
}

.footer__col .label {
  margin-bottom: var(--s-3);
}

.footer__list {
  margin: 0;
}

.footer__list a,
.footer__text {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  min-height: var(--tap);
  color: var(--text-2);
  line-height: 1.4;
  text-decoration: none;
  transition: color var(--dur-hover) var(--ease);
}

.footer__list a:hover {
  color: var(--text-1);
}

.footer__list .icon {
  width: 1.125rem;
  height: 1.125rem;
  color: var(--text-3);
}

.footer__legal {
  padding-top: var(--s-5);
  border-top: var(--border) solid var(--line);
  color: var(--text-3);
  font-size: var(--fs-small);
  line-height: var(--lh-small);
}

.footer__legal p {
  max-width: none;
}

@media (min-width: 48em) {
  .footer__top {
    grid-template-columns: 1fr auto;
    align-items: end;
  }

  .footer__logo {
    grid-column: 1 / -1;
  }

  .footer__cols {
    grid-template-columns: 1.2fr 1fr 1fr;
  }
}