/* ==========================================================================
   Componentes
   ========================================================================== */

/* --- Botones ------------------------------------------------------------- */
.btn {
  --btn-color: var(--vs-red);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--vs-space-2);
  padding: 0.625rem 1.5rem;
  border: 2px solid var(--btn-color);
  border-radius: var(--vs-radius-sm);
  background: transparent;
  color: var(--btn-color);
  font-family: var(--vs-font-body);
  font-size: var(--vs-fs-lg);
  font-weight: var(--vs-fw-semibold);
  line-height: 1.4;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--vs-duration) var(--vs-ease),
              color var(--vs-duration) var(--vs-ease),
              border-color var(--vs-duration) var(--vs-ease);
}

.btn:hover,
.btn:focus-visible {
  background: var(--btn-color);
  color: #fff;
}

.btn--light {
  --btn-color: #fff;
}
.btn--light:hover,
.btn--light:focus-visible {
  background: #fff;
  color: var(--vs-ink);
}

.btn--solid {
  background: var(--vs-red);
  color: #fff;
}
.btn--solid:hover,
.btn--solid:focus-visible {
  background: var(--vs-red-hover);
  border-color: var(--vs-red-hover);
  color: #fff;
}

.btn--sm { padding: 0.375rem 1rem; font-size: var(--vs-fs-sm); }
.btn--block { width: 100%; }
.btn[disabled] { opacity: .55; cursor: not-allowed; }

/* --- Cabecera ------------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--vs-z-header);
  background: var(--vs-surface);
  box-shadow: var(--vs-shadow-header);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--vs-space-5);
  min-height: var(--vs-header-h);
}

.site-brand { display: flex; align-items: center; flex: 0 0 auto; }
.site-brand img { height: var(--vs-logo-h); width: auto; }
.site-brand__text {
  font-family: var(--vs-font-heading);
  font-size: var(--vs-fs-lg);
  font-weight: var(--vs-fw-black);
  color: var(--vs-red);
  text-decoration: none;
  letter-spacing: -0.01em;
}

/* Navegación */
.nav__list {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.75rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav__list a {
  display: inline-block;
  padding: var(--vs-space-2) 0;
  color: var(--vs-red);
  font-size: var(--vs-fs-sm);
  font-weight: var(--vs-fw-semibold);
  text-decoration: none;
  position: relative;
}

.nav__list a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--vs-duration) var(--vs-ease);
}

.nav__list a:hover::after,
.nav__list .current-menu-item > a::after,
.nav__list .current_page_item > a::after,
.nav__list .current-menu-ancestor > a::after { transform: scaleX(1); }

.nav__list .current-menu-item > a,
.nav__list .current_page_item > a { color: var(--vs-ink); }

/* Submenús */
.nav__list li { position: relative; }
.nav__list .sub-menu {
  position: absolute;
  top: 100%; left: 0;
  min-width: 220px;
  margin: 0; padding: var(--vs-space-2) 0;
  list-style: none;
  background: #fff;
  border: 1px solid var(--vs-line);
  border-radius: var(--vs-radius);
  box-shadow: var(--vs-shadow-card);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity var(--vs-duration) var(--vs-ease),
              transform var(--vs-duration) var(--vs-ease),
              visibility var(--vs-duration);
}
.nav__list li:hover > .sub-menu,
.nav__list li:focus-within > .sub-menu {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.nav__list .sub-menu a { padding: var(--vs-space-2) var(--vs-space-4); width: 100%; }
.nav__list .sub-menu a::after { display: none; }

/* Botón hamburguesa */
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  margin: 5px auto;
  background: var(--vs-red);
  transition: transform var(--vs-duration) var(--vs-ease),
              opacity var(--vs-duration) var(--vs-ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 900px) {
  :root { --vs-header-h: var(--vs-header-h-sm); }

  .nav-toggle { display: block; }

  .site-nav {
    position: fixed;
    inset: var(--vs-header-h) 0 0 0;
    padding: var(--vs-space-6) var(--vs-gutter);
    background: #fff;
    overflow-y: auto;
    transform: translateX(100%);
    visibility: hidden;
    transition: transform var(--vs-duration) var(--vs-ease), visibility var(--vs-duration);
  }
  .site-nav.is-open { transform: translateX(0); visibility: visible; }

  .nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__list > li + li { border-top: 1px solid var(--vs-line); }
  .nav__list a { padding: var(--vs-space-4) 0; font-size: var(--vs-fs-lg); }
  .nav__list a::after { display: none; }
  .nav__list .sub-menu {
    position: static; opacity: 1; visibility: visible; transform: none;
    border: 0; box-shadow: none; padding-left: var(--vs-space-4);
  }
}

/* --- Tarjetas ------------------------------------------------------------ */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--vs-radius);
  background: var(--vs-surface);
  box-shadow: var(--vs-shadow-card);
  transition: transform var(--vs-duration) var(--vs-ease),
              box-shadow var(--vs-duration) var(--vs-ease);
}

.card:hover { transform: translateY(-4px); box-shadow: var(--vs-shadow-lift); }

.card__media {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--vs-surface-100);
}

.card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 400ms var(--vs-ease);
}
.card:hover .card__media img { transform: scale(1.04); }

.card__body {
  display: flex;
  flex-direction: column;
  gap: var(--vs-space-3);
  padding: var(--vs-space-5);
  flex: 1;
}

.card__title { margin: 0; font-size: var(--vs-fs-h3); }
.card__title a { color: inherit; text-decoration: none; }
.card__excerpt { color: var(--vs-muted); font-size: var(--vs-fs-sm); }
.card__actions { margin-top: auto; }

/* Tarjeta de proyecto: overlay sobre la imagen */
.card--project .card__media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(to top, var(--vs-overlay-strong) 0%, transparent 60%);
}

.card--project .card__body {
  position: absolute;
  inset: auto 0 0 0;
  padding: var(--vs-space-5);
  color: #fff;
  z-index: 1;
}
.card--project .card__title { color: #fff; }

/* Tarjeta de categoría */
.card--category { text-align: center; }
.card--category .card__media { aspect-ratio: 4 / 3; background: #fff; }
.card--category .card__media img { object-fit: contain; padding: var(--vs-space-4); }

/* Logo de marca / cliente */
.logo-tile {
  display: grid;
  place-items: center;
  padding: var(--vs-space-4);
  min-height: 120px;
}
.logo-tile img {
  max-height: 80px;
  width: auto;
  object-fit: contain;
  filter: grayscale(1);
  opacity: .75;
  transition: filter var(--vs-duration) var(--vs-ease), opacity var(--vs-duration) var(--vs-ease);
}
.logo-tile:hover img { filter: none; opacity: 1; }

/* --- Carrusel (scroll-snap, sin librerías) ------------------------------- */
.carousel { position: relative; }

.carousel__viewport {
  display: flex;
  gap: var(--vs-space-5);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
  padding-block: var(--vs-space-2);
}
.carousel__viewport::-webkit-scrollbar { display: none; }

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

.carousel__slide {
  flex: 0 0 calc((100% - (var(--per-view) - 1) * var(--vs-space-5)) / var(--per-view));
  scroll-snap-align: start;
  --per-view: 4;
}

@media (max-width: 980px) { .carousel__slide { --per-view: 3; } }
@media (max-width: 720px) { .carousel__slide { --per-view: 2; } }
@media (max-width: 520px) { .carousel__slide { --per-view: 1; } }

.carousel__nav {
  position: absolute;
  top: 50%;
  translate: 0 -50%;
  width: 40px; height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--vs-line);
  border-radius: 50%;
  background: #fff;
  color: var(--vs-ink);
  cursor: pointer;
  box-shadow: var(--vs-shadow-card);
  transition: background-color var(--vs-duration) var(--vs-ease),
              color var(--vs-duration) var(--vs-ease);
}
.carousel__nav:hover { background: var(--vs-red); color: #fff; border-color: var(--vs-red); }
.carousel__nav[hidden] { display: none; }
.carousel__nav--prev { left: calc(var(--vs-space-5) * -1); }
.carousel__nav--next { right: calc(var(--vs-space-5) * -1); }

@media (max-width: 1180px) {
  .carousel__nav--prev { left: 0; }
  .carousel__nav--next { right: 0; }
}

.carousel__dots {
  display: flex;
  justify-content: center;
  gap: var(--vs-space-2);
  margin-top: var(--vs-space-4);
  padding: 0;
  list-style: none;
}
.carousel__dot {
  width: 9px; height: 9px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--vs-line);
  cursor: pointer;
  transition: background-color var(--vs-duration) var(--vs-ease), width var(--vs-duration) var(--vs-ease);
}
.carousel__dot[aria-current="true"] { background: var(--vs-red); width: 22px; border-radius: 5px; }

/* --- Formularios --------------------------------------------------------- */
.form { display: grid; gap: var(--vs-space-4); }

.form__row { display: grid; gap: var(--vs-space-4); grid-template-columns: 1fr 1fr; }
@media (max-width: 640px) { .form__row { grid-template-columns: 1fr; } }

.field { display: grid; gap: var(--vs-space-2); }

.field__label {
  font-size: var(--vs-fs-sm);
  font-weight: var(--vs-fw-semibold);
  color: var(--vs-ink);
}
.field__label .required { color: var(--vs-red); }

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.75rem 0.875rem;
  border: 1px solid var(--vs-line);
  border-radius: var(--vs-radius-sm);
  background: #fff;
  transition: border-color var(--vs-duration) var(--vs-ease),
              box-shadow var(--vs-duration) var(--vs-ease);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--vs-red);
  box-shadow: 0 0 0 3px rgba(224, 43, 32, .15);
  outline: none;
}

.field textarea { min-height: 160px; resize: vertical; }

.field__error { font-size: var(--vs-fs-sm); color: var(--vs-error); }
.field[data-invalid="true"] input,
.field[data-invalid="true"] textarea { border-color: var(--vs-error); }

/* Honeypot: oculto para humanos, visible para bots simples. */
.field--hp { position: absolute; left: -9999px; opacity: 0; pointer-events: none; }

.form__notice {
  padding: var(--vs-space-4);
  border-radius: var(--vs-radius-sm);
  border-left: 4px solid;
  font-size: var(--vs-fs-sm);
}
.form__notice--ok    { border-color: var(--vs-success); background: #eef7f1; color: #14532d; }
.form__notice--error { border-color: var(--vs-error);   background: #fdeeed; color: #7f1d1d; }

/* --- Migas y paginación --------------------------------------------------- */
.breadcrumbs {
  font-size: var(--vs-fs-sm);
  color: var(--vs-muted);
  margin-bottom: var(--vs-space-5);
}
.breadcrumbs a { color: var(--vs-muted); }
.breadcrumbs a:hover { color: var(--vs-red); }

.pagination {
  display: flex;
  justify-content: center;
  gap: var(--vs-space-2);
  margin-top: var(--vs-space-7);
}
.pagination .page-numbers {
  display: grid;
  place-items: center;
  min-width: 40px; height: 40px;
  padding-inline: var(--vs-space-2);
  border: 1px solid var(--vs-line);
  border-radius: var(--vs-radius-sm);
  color: var(--vs-ink);
  text-decoration: none;
}
.pagination .page-numbers:hover,
.pagination .page-numbers.current {
  background: var(--vs-red);
  border-color: var(--vs-red);
  color: #fff;
}

/* --- Pie ------------------------------------------------------------------ */
.site-footer { background: var(--vs-black); color: rgba(255, 255, 255, .75); }

.site-footer__inner {
  display: grid;
  gap: var(--vs-space-6);
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  padding-block: var(--vs-section-y);
}

@media (max-width: 900px) { .site-footer__inner { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .site-footer__inner { grid-template-columns: 1fr; } }

.footer__logo img { max-width: 160px; }

.footer__heading {
  margin-bottom: var(--vs-space-3);
  font-size: var(--vs-fs-lg);
  font-weight: var(--vs-fw-bold);
  color: #fff;
}

.footer__list { margin: 0; padding: 0; list-style: none; display: grid; gap: var(--vs-space-2); }
.footer__list a { color: rgba(255, 255, 255, .75); text-decoration: none; font-size: var(--vs-fs-sm); }
.footer__list a:hover { color: #fff; text-decoration: underline; }

.footer__contact-item {
  display: flex;
  align-items: center;
  gap: var(--vs-space-3);
  font-size: var(--vs-fs-sm);
}
.footer__contact-item a { color: rgba(255, 255, 255, .85); text-decoration: none; }
.footer__contact-item a:hover { color: #fff; }

.social {
  display: flex;
  gap: var(--vs-space-3);
  padding: 0;
  margin: 0;
  list-style: none;
}
.social a {
  display: grid;
  place-items: center;
  width: 40px; height: 40px;
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: 50%;
  color: #fff;
}
.social a:hover { background: var(--vs-red); border-color: var(--vs-red); }

.site-footer__bar {
  background: var(--vs-muted);
  color: rgba(255, 255, 255, .9);
  font-size: var(--vs-fs-xs);
}
.site-footer__bar .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--vs-space-3);
  padding-block: var(--vs-space-4);
}
.site-footer__bar a { color: #fff; font-weight: var(--vs-fw-semibold); }

/* --- Botón flotante de WhatsApp ------------------------------------------ */
.whatsapp-fab {
  position: fixed;
  right: var(--vs-space-5);
  bottom: var(--vs-space-5);
  z-index: var(--vs-z-overlay);
  display: grid;
  place-items: center;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  box-shadow: var(--vs-shadow-lift);
  transition: transform var(--vs-duration) var(--vs-ease);
}
.whatsapp-fab:hover { transform: scale(1.06); color: #fff; }


/* Iconos de enlaces: sin subrayado y WhatsApp más legible. */
.social a,
.social a .vs-icon,
.whatsapp-fab,
.whatsapp-fab .vs-icon {
  text-decoration: none;
}

.whatsapp-fab .vs-icon {
  font-size: 34px !important;
}

/* Las flechas se alinean al centro visual del listado de logos. */
.carousel.logos .carousel__nav {
  top: calc(50% - 34px);
}