/* ==========================================================================
   Agencia Detective — Cabecera, portada, pie
   ========================================================================== */

/* --------------------------------------------------------------------------
   Cabecera fija. Siempre se apoya sobre una banda oscura (portada o cabecera
   de página interior), de modo que el texto blanco nunca pierde contraste.
   -------------------------------------------------------------------------- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-header);
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease-out);
}

/* El fondo desenfocado va en una capa aparte y NUNCA en la cabecera.
   `backdrop-filter` crea bloque contenedor para los descendientes
   `position: fixed`, y el panel de navegación móvil vive dentro de la
   cabecera: aplicado aquí, el menú quedaba recortado a la altura del
   header en cuanto se hacía scroll. Un pseudoelemento no contiene nada. */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: rgba(10, 20, 36, 0.92);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease-out);
}

.site-header.is-scrolled::before { opacity: 1; }
.site-header.is-scrolled { border-bottom-color: var(--rule-dark-soft); }

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

/* ---- Marca ---- */
.brand {
  position: relative;
  z-index: 2; /* Por encima del panel móvil, que se despliega dentro del header. */
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--white);
  flex: none;
  margin-right: auto;
}

.brand__mark {
  width: 40px;
  height: auto;
  color: var(--white);
  flex: none;
}

.brand__text { display: flex; flex-direction: column; line-height: 1; }

.brand__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: 0.005em;
  word-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}

.brand__tag {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
  margin-top: 3px;
}

@media (max-width: 480px) {
  .brand__mark { width: 34px; }
  .brand__name { font-size: 0.9375rem; }
  .brand__tag { font-size: 0.5625rem; }
}

/* ---- Navegación de escritorio ---- */
.nav { display: flex; align-items: center; gap: var(--sp-1); }

.nav__link {
  position: relative;
  display: block;
  padding: 0.55rem 0.85rem;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.74);
  transition: color var(--dur-fast) var(--ease-out);
}

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

.nav__link::after {
  content: "";
  position: absolute;
  left: 0.85rem;
  right: 0.85rem;
  bottom: 0.25rem;
  height: 2px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease-out);
}

.nav__link:hover::after,
.nav__link[aria-current="page"]::after { transform: scaleX(1); }

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

/* ---- Acción de cabecera ---- */
.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.6rem 1.1rem;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--r-xs);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--white);
  white-space: nowrap;
  transition:
    background-color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out);
}

.header-cta:hover {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
}

.header-cta svg { width: 15px; height: 15px; flex: none; }

/* ---- Botón hamburguesa ---- */
.nav-toggle {
  position: relative;
  z-index: 2; /* Debe seguir pulsable con el panel abierto. */
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  color: var(--white);
  flex: none;
}

.nav-toggle__bars {
  position: relative;
  width: 22px;
  height: 2px;
  background: currentColor;
  transition: background-color var(--dur-fast) var(--ease-out);
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 22px;
  height: 2px;
  background: currentColor;
  transition: transform var(--dur) var(--ease-out);
}

.nav-toggle__bars::before { top: -7px; }
.nav-toggle__bars::after  { top: 7px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after  { transform: translateY(-7px) rotate(-45deg); }

/* ---- Navegación móvil ---- */
@media (max-width: 1000px) {
  .nav-toggle { display: grid; }

  .nav {
    position: fixed;
    inset: 0;
    z-index: 1;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: calc(var(--header-h) + var(--sp-6)) var(--gutter) var(--sp-8);
    background: var(--ink);
    transform: translateX(100%);
    visibility: hidden;
    transition:
      transform var(--dur) var(--ease-in-out),
      visibility var(--dur);
    overflow-y: auto;
  }

  .nav.is-open {
    transform: translateX(0);
    visibility: visible;
  }

  .nav__link {
    padding: 1.1rem 0;
    font-size: 1rem;
    letter-spacing: 0.1em;
    border-bottom: 1px solid var(--rule-dark-soft);
  }

  .nav__link::after { left: 0; right: auto; width: 28px; bottom: 0.5rem; }

  .header-cta { display: none; }

  .nav .nav__cta { display: grid; gap: 0.75rem; margin-top: var(--sp-7); }
}

/* Contacto directo dentro del panel móvil: en escritorio ya está en la
   cabecera, así que aquí no se repite. */
.nav__cta { display: none; }

@media (max-width: 1000px) {
  body.nav-open { overflow: hidden; }
}

/* --------------------------------------------------------------------------
   Portada con video rescatado
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: min(92svh, 880px);
  padding-top: calc(var(--header-h) + var(--sp-7));
  padding-bottom: 0;
  background: var(--ink);
  color: var(--text-invert);
  overflow: hidden;
  isolation: isolate;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
  background: var(--ink);
}

.hero__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* Desaturado y frío: la grabación original es material de archivo de 2021,
     tratarla la integra con la paleta y evita competir con el titular. */
  filter: grayscale(0.65) brightness(0.52) contrast(1.14);
}

/* Velo en dos capas: degradado vertical para legibilidad + tinte azul de marca */
.hero__scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg,
      rgba(10, 20, 36, 0.82) 0%,
      rgba(10, 20, 36, 0.44) 34%,
      rgba(10, 20, 36, 0.80) 74%,
      rgba(10, 20, 36, 0.97) 100%),
    linear-gradient(104deg,
      rgba(16, 35, 63, 0.72) 0%,
      rgba(16, 35, 63, 0.10) 62%);
}

/* Retícula técnica muy tenue: lenguaje de instrumento, no decoración */
.hero__grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 92px 92px;
  mask-image: radial-gradient(ellipse 78% 62% at 50% 42%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 78% 62% at 50% 42%, #000 30%, transparent 100%);
}

.hero__inner {
  width: min(100% - (var(--gutter) * 2), var(--container));
  margin-inline: auto;
  padding-bottom: clamp(2.5rem, 1.5rem + 3vw, 4rem);
}

.hero__body { max-width: 760px; }

.hero__title {
  font-size: var(--fs-display-xl);
  font-weight: 800;
  line-height: var(--lh-tight);
  letter-spacing: -0.038em;
  color: var(--white);
  max-width: 19ch;
  text-wrap: initial;
}

.hero__lead {
  margin-top: var(--sp-5);
  max-width: 46ch;
  font-size: var(--fs-lead);
  color: rgba(238, 242, 248, 0.82);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-top: var(--sp-6);
}

/* ---- El elemento firma: la palabra tachada que se revela ----
   Es literalmente la propuesta de valor de la agencia: destapar lo oculto.
   Un único momento orquestado en toda la página. */

.redact {
  position: relative;
  display: inline-block;
  color: var(--amber);
  white-space: nowrap;
}

.redact::after {
  content: "";
  position: absolute;
  inset: 0.08em -0.14em 0.1em -0.14em;
  background: var(--amber);
  transform-origin: right center;
  animation: redact-lift 900ms var(--ease-in-out) 700ms both;
}

@keyframes redact-lift {
  0%   { transform: scaleX(1); }
  100% { transform: scaleX(0); }
}

@media (prefers-reduced-motion: reduce) {
  .redact::after { display: none; }
}

/* ---- Franja de credenciales al pie de la portada ---- */
.hero__facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: clamp(2.5rem, 1.6rem + 3vw, 4rem);
  border-top: 1px solid var(--rule-dark);
}

.hero__fact {
  padding: var(--sp-5) var(--sp-4) 0 0;
  border-left: 1px solid var(--rule-dark);
  padding-left: var(--sp-4);
}
.hero__fact:first-child { border-left: 0; padding-left: 0; }

.hero__fact dt {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-invert-soft);
}

.hero__fact dd {
  margin-top: 0.35rem;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 0.9rem + 0.6vw, 1.35rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--white);
}

@media (max-width: 780px) {
  .hero__facts { grid-template-columns: repeat(2, 1fr); gap: 0; }
  .hero__fact:nth-child(3) { border-left: 0; padding-left: 0; }
  .hero__fact:nth-child(n+3) { margin-top: var(--sp-4); }
  .hero__body { max-width: none; }
}

@media (max-width: 480px) {
  .hero { min-height: 88svh; }
  .hero__title { max-width: 100%; }
}

/* --------------------------------------------------------------------------
   Cabecera de páginas interiores
   -------------------------------------------------------------------------- */

.page-head {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(3rem, 2rem + 4vw, 5.5rem));
  padding-bottom: clamp(2.5rem, 1.8rem + 3vw, 4.5rem);
  background: var(--ink);
  color: var(--text-invert);
  overflow: hidden;
  isolation: isolate;
}

.page-head::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 86px 86px;
  mask-image: radial-gradient(ellipse 70% 90% at 82% 30%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 70% 90% at 82% 30%, #000 0%, transparent 78%);
}

.page-head::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(ellipse 60% 120% at 88% 10%, rgba(44, 111, 209, 0.20), transparent 62%);
}

/* Cada pestaña lleva su propia imagen. La ruta se declara en clases de este
   mismo archivo y no en una custom property: las `url()` de una variable se
   resuelven contra la hoja que las consume, no contra el documento, y acaban
   apuntando a assets/css/assets/img/. El velo va en ::after, ya presente. */
.page-head--image {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.page-head--image::after {
  background:
    /* Funde con la sección siguiente para que la foto no se corte en seco */
    linear-gradient(
      180deg,
      transparent 58%,
      rgba(10, 20, 36, 0.72) 86%,
      var(--ink) 100%),
    linear-gradient(
      100deg,
      rgba(10, 20, 36, 0.95) 0%,
      rgba(10, 20, 36, 0.83) 34%,
      rgba(10, 20, 36, 0.50) 68%,
      rgba(10, 20, 36, 0.32) 100%),
    radial-gradient(ellipse 60% 120% at 88% 10%, rgba(44, 111, 209, 0.18), transparent 62%);
}

@media (max-width: 760px) {
  .page-head--image::after {
    background:
      linear-gradient(
        180deg,
        rgba(10, 20, 36, 0.90) 0%,
        rgba(10, 20, 36, 0.86) 55%,
        rgba(10, 20, 36, 0.80) 100%);
  }
}

.page-head__title {
  font-size: var(--fs-display-lg);
  font-weight: 800;
  letter-spacing: -0.035em;
  color: var(--white);
  max-width: 18ch;
}

.page-head__lead {
  margin-top: var(--sp-4);
  max-width: 56ch;
  font-size: var(--fs-lead);
  color: rgba(238, 242, 248, 0.78);
}

/* ---- Migas ---- */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: var(--sp-5);
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-invert-soft);
}

.breadcrumbs a { transition: color var(--dur-fast) var(--ease-out); }
.breadcrumbs a:hover { color: var(--amber); }
.breadcrumbs li[aria-current] { color: var(--white); }
.breadcrumbs__sep { color: rgba(255, 255, 255, 0.32); }

/* --------------------------------------------------------------------------
   Pie
   -------------------------------------------------------------------------- */

.site-footer {
  background: var(--ink);
  color: var(--text-invert);
  padding-top: clamp(3.5rem, 2.4rem + 4vw, 5.5rem);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: var(--sp-7) var(--sp-6);
  padding-bottom: clamp(2.5rem, 2rem + 2vw, 3.5rem);
}

.footer__brand .brand { margin-right: 0; }

.footer__about {
  margin-top: var(--sp-4);
  max-width: 34ch;
  font-size: var(--fs-sm);
  color: var(--text-invert-soft);
}

.footer__title {
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  font-weight: 500;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: var(--sp-4);
}

.footer__list { display: flex; flex-direction: column; gap: 0.7rem; }

.footer__list a,
.footer__list span {
  font-size: var(--fs-sm);
  color: var(--text-invert-soft);
  transition: color var(--dur-fast) var(--ease-out);
}

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

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
}

.footer__contact-item svg {
  width: 16px;
  height: 16px;
  margin-top: 0.28rem;
  flex: none;
  color: var(--azure-bright);
}

.footer__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding-block: var(--sp-5);
  border-top: 1px solid var(--rule-dark-soft);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-invert-soft);
}

.footer__bar a:hover { color: var(--amber); }
.footer__legal { display: flex; flex-wrap: wrap; gap: var(--sp-4); }

@media (max-width: 900px) {
  .footer__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 540px) {
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bar { flex-direction: column; align-items: flex-start; }
}

/* --------------------------------------------------------------------------
   Acciones flotantes
   -------------------------------------------------------------------------- */

.float-stack {
  position: fixed;
  right: clamp(1rem, 0.5rem + 1.4vw, 1.75rem);
  bottom: clamp(1rem, 0.5rem + 1.4vw, 1.75rem);
  z-index: var(--z-float);
  display: flex;
  flex-direction: column-reverse;
  align-items: flex-end;
  gap: 0.65rem;
}

.float-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  height: 52px;
  padding-inline: 1.05rem;
  border-radius: var(--r-pill);
  background: var(--ink-2);
  border: 1px solid var(--rule-dark);
  color: var(--white);
  box-shadow: var(--shadow-lg);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
  transition:
    background-color var(--dur) var(--ease-out),
    border-color var(--dur) var(--ease-out),
    transform var(--dur) var(--ease-out);
}

.float-btn svg { width: 21px; height: 21px; flex: none; }

.float-btn:hover {
  background: var(--azure-deep);
  border-color: var(--azure);
  transform: translateY(-2px);
}

.float-btn__label {
  max-width: 0;
  overflow: hidden;
  opacity: 0;
  transition:
    max-width var(--dur) var(--ease-out),
    opacity var(--dur) var(--ease-out);
}

.float-btn:hover .float-btn__label,
.float-btn:focus-visible .float-btn__label {
  max-width: 14rem;
  opacity: 1;
}

/* Volver arriba */
.to-top {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: var(--r-pill);
  background: rgba(10, 20, 36, 0.86);
  border: 1px solid var(--rule-dark);
  color: var(--white);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition:
    opacity var(--dur) var(--ease-out),
    visibility var(--dur),
    transform var(--dur) var(--ease-out),
    background-color var(--dur) var(--ease-out);
}

.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--azure-deep); }
.to-top svg { width: 17px; height: 17px; }

@media (max-width: 480px) {
  .float-btn { height: 48px; padding-inline: 0.95rem; }
}

/* En pantallas estrechas los flotantes se comen el ancho útil */
@media (max-width: 380px) {
  .float-stack { gap: 0.5rem; }
  .float-btn { height: 44px; padding-inline: 0.7rem; }
  .float-btn svg { width: 19px; height: 19px; }
  .to-top { width: 38px; height: 38px; }
}