/* ═══════════════════════════════════════════════════════════════
   HSE Tools — herramientas gratuitas de SST
   Producto propio con respaldo de HSE Rent. Paleta e identidad
   heredadas de hserent.com.pe (navy + naranja + Inter + radio 6px),
   pero con marca y navegación propias: esto es un catálogo de
   herramientas, no la web corporativa.
   ═══════════════════════════════════════════════════════════════ */

:root {
  --navy:       #0F1F3D;
  --navy-2:     #16294D;
  --navy-3:     #1E3560;

  --naranja:    #E8611A;
  --naranja-2:  #C74E10;
  --naranja-bg: #FDF0E8;

  --crema:      #F5F4F0;
  --blanco:     #FFFFFF;

  --tx:         #1B1C1A;
  --tx-2:       #5C6370;
  --tx-3:       #94A3B8;
  --tx-inv:     #FFFFFF;
  --tx-inv-2:   #CBD5E1;

  --linea:      #E2E5EA;
  --linea-2:    #CBD5E1;
  --linea-inv:  rgba(255,255,255,.16);

  --ok:         #1F7A4C;
  --ok-bg:      #E8F4ED;
  --ok-bd:      #B5DDC7;
  --alerta:     #A66A08;
  --alerta-bg:  #FBF2E0;
  --alerta-bd:  #E9D5A6;
  --error:      #B3261E;

  --sombra-1: 0 1px 2px rgba(15,31,61,.05);
  --sombra-2: 0 4px 16px rgba(15,31,61,.08);
  --sombra-3: 0 16px 40px rgba(15,31,61,.16);

  --r:  6px;
  --r-s: 4px;

  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --ancho: min(1200px, 100% - 3rem);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--sans);
  font-size: 16px; line-height: 1.6;
  color: var(--tx); background: var(--blanco);
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--naranja); color: #fff; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; border: 0; background: none; }
img { max-width: 100%; display: block; }
:focus-visible { outline: 2px solid var(--naranja); outline-offset: 2px; }

.wrap { width: var(--ancho); margin-inline: auto; }

/* ─── Anuncio superior ────────────────────────────────────── */
.topbar {
  background: var(--naranja-2); color: #fff;
  font-size: 13px; text-align: center; padding: .5rem 1rem;
}
.topbar b { font-weight: 700; }

/* ─── Navbar con marca propia ─────────────────────────────── */
.nav {
  background: #fff; border-bottom: 1px solid var(--linea);
  position: sticky; top: 0; z-index: 50;
}
.nav-in {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; padding: .85rem 0;
}
.marca { display: flex; align-items: center; gap: .7rem; }
.marca-logo { height: 36px; width: auto; }
.marca-sep { width: 1px; height: 24px; background: var(--linea-2); flex: none; }
.marca-txt {
  font-size: 17px; font-weight: 700; letter-spacing: -.01em;
  color: var(--naranja-2);
}

.nav-links { display: flex; align-items: center; gap: 1.6rem; }
.nav-links a { font-size: 15px; font-weight: 500; color: var(--navy); }
.nav-links a:hover { color: var(--naranja-2); }
.nav-cta {
  background: var(--naranja-2); color: #fff !important;
  padding: 10px 22px; border-radius: var(--r);
  font-weight: 600; font-size: 14.5px; transition: background .15s ease;
}
.nav-cta:hover { background: var(--naranja); }
@media (max-width: 880px) { .nav-links a:not(.nav-cta) { display: none; } }

/* ─── Hero con buscador ───────────────────────────────────── */
.hero { position: relative; background: var(--navy); color: var(--tx-inv); overflow: hidden; }
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: url('/assets/reel-monitoreo-radiacion.webp') center/cover no-repeat;
  opacity: .22;
}
.hero::after {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 88% 18%, rgba(232,97,26,.20), transparent 34%),
    linear-gradient(105deg, var(--navy) 22%, rgba(15,31,61,.80) 66%, rgba(15,31,61,.55) 100%);
}
.hero-in { position: relative; z-index: 1; padding: 4.25rem 0 3.75rem; max-width: 47rem; }

.eyebrow {
  display: inline-block; font-size: 12.5px; font-weight: 700;
  letter-spacing: .13em; text-transform: uppercase;
  color: var(--naranja); margin-bottom: 1rem;
}
.hero h1 {
  font-size: clamp(2rem, 4.6vw, 2.9rem);
  font-weight: 700; line-height: 1.14; letter-spacing: -.022em;
  text-wrap: balance; margin-bottom: 1rem;
}
.hero p {
  font-size: 17px; line-height: 1.65; color: var(--tx-inv-2);
  max-width: 40rem; margin-bottom: 1.75rem;
}

.rapidas { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .35rem; }
.rapidas button {
  padding: .38rem .95rem; border-radius: 999px;
  border: 1px solid rgba(255,255,255,.28);
  background: rgba(255,255,255,.07); color: var(--tx-inv-2);
  font-size: 13.5px; font-weight: 500;
  transition: background .15s ease, border-color .15s ease, color .15s ease;
}
.rapidas button:hover, .rapidas button.activa {
  background: var(--naranja-2); border-color: var(--naranja-2); color: #fff;
}

/* ─── Franja de confianza ─────────────────────────────────── */
.confianza { background: var(--navy-2); border-top: 1px solid var(--linea-inv); }
.confianza-in { display: flex; align-items: center; gap: 2.5rem; flex-wrap: wrap; padding: 1.1rem 0; }
.confianza-item { display: flex; align-items: center; gap: .6rem; font-size: 13.5px; color: var(--tx-inv-2); }
.confianza-item i { font-style: normal; color: var(--naranja); font-weight: 700; }

/* ─── Secciones ───────────────────────────────────────────── */
.seccion { padding: 4rem 0; }
.seccion-crema { background: var(--crema); }
.seccion-navy { background: var(--navy); color: var(--tx-inv); }

.sec-cab {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 1.5rem; flex-wrap: wrap; margin-bottom: 2rem;
}
.sec-cab-txt { max-width: 44rem; }
.sec-kicker {
  display: block; font-size: 12px; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--naranja-2); margin-bottom: .5rem;
}
.seccion-navy .sec-kicker { color: var(--naranja); }
.sec-cab h2 {
  font-size: clamp(1.4rem, 2.8vw, 1.85rem);
  font-weight: 700; line-height: 1.2; letter-spacing: -.018em;
  text-wrap: balance; margin-bottom: .5rem;
}
.sec-cab p { font-size: 16px; color: var(--tx-2); line-height: 1.6; }
.seccion-navy .sec-cab p { color: var(--tx-inv-2); }
.sec-nota { font-size: 13.5px; color: var(--tx-3); white-space: nowrap; }

/* ─── Rejillas ────────────────────────────────────────────── */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 1.5rem; }
.grid-destacadas { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 1.5rem; }
@media (max-width: 900px) { .grid-destacadas { grid-template-columns: 1fr; } }

.card {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--linea); border-radius: var(--r);
  overflow: hidden; box-shadow: var(--sombra-1);
  transition: box-shadow .2s ease, transform .2s ease;
}
.card:hover { box-shadow: var(--sombra-2); transform: translateY(-3px); }
.card[hidden] { display: none; }
@media (prefers-reduced-motion: reduce) { .card, .card:hover { transition: none; transform: none; } }

/* Cabecera con foto del momento de uso + velo navy. Las imágenes se
   generaron con el sujeto a un lado y aire oscuro al otro, para que el
   título tenga dónde apoyarse sin competir. */
.card-cab {
  position: relative; aspect-ratio: 3 / 2;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 1.4rem; color: #fff;
  background: var(--navy) center/cover no-repeat;
  overflow: hidden; transition: background-size .4s ease;
}
.card-destacada .card-cab { aspect-ratio: 2 / 1; }
.card-cab::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top,
    var(--navy) 0%, rgba(15,31,61,.92) 32%, rgba(15,31,61,.55) 60%, rgba(15,31,61,.18) 100%);
}
.card-cab::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0;
  height: 3px; background: var(--naranja); z-index: 2;
}
.card-cab > * { position: relative; z-index: 1; }
.card:hover .card-cab { background-size: 106%; }
@media (prefers-reduced-motion: reduce) { .card-cab, .card:hover .card-cab { transition: none; background-size: cover; } }

.card-ico {
  width: 40px; height: 40px; margin-bottom: .75rem;
  display: grid; place-items: center;
  background: rgba(232,97,26,.22); border: 1px solid rgba(232,97,26,.55);
  border-radius: var(--r-s); color: #FFA46B; backdrop-filter: blur(4px);
}
.card-ico svg { width: 21px; height: 21px; }
.card-cab h3 {
  font-size: 1.12rem; font-weight: 700; letter-spacing: -.012em;
  line-height: 1.25; margin-bottom: .15rem;
  text-shadow: 0 1px 8px rgba(15,31,61,.6);
}
.card-destacada .card-cab h3 { font-size: 1.3rem; }
.card-kicker {
  font-size: 11.5px; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: #FFA46B;
}

.card-cab.i-ats           { background-image: url('/assets/tool-ats.webp'); }
.card-cab.i-auditor       { background-image: url('/assets/tool-auditor.webp'); }
.card-cab.i-investigacion { background-image: url('/assets/tool-investigacion.webp'); }
.card-cab.i-calculadora   { background-image: url('/assets/tool-calculadora.webp'); }
.card-cab.i-estres        { background-image: url('/assets/tool-estres.webp'); }

.card-cuerpo { padding: 1.3rem 1.4rem 1.4rem; display: flex; flex-direction: column; flex: 1; }
.card-desc { font-size: 15px; color: var(--tx-2); line-height: 1.6; margin-bottom: 1rem; flex: 1; }

.etiquetas { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 1rem; }
.etiqueta {
  font-size: 11.5px; font-weight: 600; color: var(--tx-2);
  background: var(--crema); border: 1px solid var(--linea);
  padding: .18rem .55rem; border-radius: var(--r-s);
}

.pill { display: inline-flex; align-items: center; gap: .35rem; padding: .2rem .6rem; border-radius: 999px; font-size: 11.5px; font-weight: 600; }
.pill-ok { background: var(--ok-bg); color: var(--ok); border: 1px solid var(--ok-bd); }

.card-pie {
  display: flex; align-items: center; gap: .75rem;
  padding-top: 1.1rem; margin-top: auto; border-top: 1px solid var(--linea);
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  padding: 11px 24px; border-radius: var(--r);
  font-size: 14.5px; font-weight: 600;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.btn-naranja { background: var(--naranja-2); color: #fff; }
.btn-naranja:hover { background: var(--naranja); }
.btn-linea { border: 1.5px solid rgba(255,255,255,.5); color: #fff; }
.btn-linea:hover { border-color: #fff; background: rgba(255,255,255,.1); }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: var(--navy-3); }
.btn-block { width: 100%; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-cond { margin-left: auto; font-size: 13.5px; font-weight: 500; color: var(--tx-2); }
.btn-cond:hover { color: var(--naranja-2); text-decoration: underline; }

/* Mensaje cuando el buscador no encuentra nada */
.sin-resultados {
  padding: 2.5rem 1.5rem; text-align: center;
  border: 1px dashed var(--linea-2); border-radius: var(--r);
  color: var(--tx-2); font-size: 15px;
}
.sin-resultados[hidden] { display: none; }
.sin-resultados b { color: var(--tx); }

/* ─── Cómo funciona ───────────────────────────────────────── */
.pasos { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; }
.paso-n { font-size: 12.5px; font-weight: 700; letter-spacing: .1em; color: var(--naranja); margin-bottom: .55rem; }
.paso h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: .4rem; letter-spacing: -.01em; }
.paso p { font-size: 14.5px; color: var(--tx-inv-2); line-height: 1.6; }

/* ─── Franjas de llamada (comunidad y HSE Rent) ───────────── */
.franja {
  display: flex; align-items: center; justify-content: space-between;
  gap: 2rem; flex-wrap: wrap;
  padding: 2.25rem 2.5rem;
  background: #fff; border: 1px solid var(--linea); border-radius: var(--r);
  box-shadow: var(--sombra-1);
}
.franja-inv { background: var(--navy-2); border-color: var(--linea-inv); box-shadow: none; }
.franja-txt { max-width: 46rem; }
.franja h2 { font-size: clamp(1.25rem, 2.4vw, 1.6rem); font-weight: 700; letter-spacing: -.018em; line-height: 1.25; margin-bottom: .5rem; text-wrap: balance; }
.franja p { font-size: 15.5px; color: var(--tx-2); line-height: 1.6; }
.franja-inv h2 { color: #fff; }
.franja-inv p { color: var(--tx-inv-2); }
.franja .btn { flex: none; }
.franja-logo { height: 34px; width: auto; margin-bottom: 1rem; opacity: .95; }
@media (max-width: 700px) { .franja { padding: 1.75rem; } .franja .btn { width: 100%; } }

/* ─── Footer ──────────────────────────────────────────────── */
footer { background: var(--navy); color: var(--tx-inv-2); padding: 3rem 0 1.75rem; }
.foot-top {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 2rem; flex-wrap: wrap; padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--linea-inv);
}
.foot-marca .marca-txt strong { color: #fff; }
.foot-marca .marca-txt span { color: var(--tx-3); }
.foot-marca p { font-size: 13.5px; color: var(--tx-3); margin-top: .75rem; max-width: 22rem; }
.foot-links { display: flex; gap: 1.75rem; flex-wrap: wrap; font-size: 14.5px; }
.foot-links a:hover { color: var(--naranja); }
.foot-bajo {
  padding-top: 1.4rem; font-size: 13px; color: var(--tx-3);
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; align-items: center;
}
.foot-bajo img { height: 26px; width: auto; opacity: .8; }

/* ═══ Modales ═════════════════════════════════════════════ */
.overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(15,31,61,.55);
  display: grid; place-items: center; padding: 1.5rem; overflow-y: auto;
}
.overlay[hidden] { display: none !important; }

.modal {
  background: #fff; border-radius: var(--r); box-shadow: var(--sombra-3);
  width: min(540px, 100%); max-height: calc(100vh - 3rem);
  display: flex; flex-direction: column; overflow: hidden;
}
.modal-cab {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1.4rem 1.5rem 1.1rem; background: var(--navy); color: #fff;
}
.modal-cab h3 { font-size: 1.12rem; font-weight: 700; letter-spacing: -.015em; }
.modal-cab p { font-size: 13.5px; color: var(--tx-inv-2); margin-top: .3rem; }
.modal-x {
  flex: none; width: 30px; height: 30px; border-radius: var(--r-s);
  display: grid; place-items: center; color: var(--tx-inv-2); margin-left: auto;
}
.modal-x:hover { background: rgba(255,255,255,.12); color: #fff; }
.modal-cuerpo { padding: 1.5rem; overflow-y: auto; }
.modal-pie { padding: 1.1rem 1.5rem; border-top: 1px solid var(--linea); background: var(--crema); display: flex; gap: .7rem; }

.campo { margin-bottom: 1.05rem; }
.campo label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: .4rem; }
.campo label .req { color: var(--naranja-2); }
.campo input[type="text"], .campo input[type="email"], .campo input[type="tel"] {
  width: 100%; padding: .62rem .8rem;
  border: 1px solid var(--linea-2); border-radius: var(--r);
  font-size: 15px; color: var(--tx); background: #fff;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.campo input:focus { outline: none; border-color: var(--naranja); box-shadow: 0 0 0 3px var(--naranja-bg); }
.campo-fila { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
@media (max-width: 520px) { .campo-fila { grid-template-columns: 1fr; } }
.campo-err { font-size: 12.5px; color: var(--error); margin-top: .3rem; display: none; }
.campo.invalido input { border-color: var(--error); }
.campo.invalido .campo-err { display: block; }

.check { display: flex; gap: .65rem; align-items: flex-start; font-size: 13.5px; color: var(--tx-2); line-height: 1.55; }
.check input { margin-top: .2rem; flex: none; width: 16px; height: 16px; accent-color: var(--naranja-2); }
.check a { color: var(--naranja-2); text-decoration: underline; }

.entrega { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; margin-bottom: 1.15rem; }
.entrega-opt {
  border: 1.5px solid var(--linea-2); border-radius: var(--r);
  padding: .8rem; text-align: center; cursor: pointer;
  transition: border-color .15s ease, background .15s ease;
}
.entrega-opt:hover { border-color: var(--naranja); }
.entrega-opt input { position: absolute; opacity: 0; pointer-events: none; }
.entrega-opt:has(input:checked) { border-color: var(--naranja-2); background: var(--naranja-bg); }
.entrega-opt svg { width: 20px; height: 20px; margin-bottom: .3rem; color: var(--naranja-2); }
.entrega-opt span { display: block; font-size: 13.5px; font-weight: 600; }

.exito { text-align: center; padding: 1rem 0; }
.exito-ico {
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--ok-bg); border: 1px solid var(--ok-bd); color: var(--ok);
  display: grid; place-items: center; margin: 0 auto 1rem;
}
.exito h4 { font-size: 1.08rem; font-weight: 700; margin-bottom: .45rem; }
.exito p { font-size: 14.5px; color: var(--tx-2); max-width: 23rem; margin: 0 auto; }

.cond-lista { display: flex; flex-direction: column; gap: 1rem; }
.cond-item { display: flex; gap: .8rem; align-items: flex-start; }
.cond-item svg { flex: none; width: 17px; height: 17px; margin-top: .2rem; color: var(--naranja-2); }
.cond-item p { font-size: 14.5px; color: var(--tx-2); line-height: 1.6; }
.cond-item b { color: var(--tx); font-weight: 600; }

/* ─── Piezas tomadas del borrador de referencia ───────────── */
.sec-link { font-size: 14.5px; font-weight: 600; color: var(--naranja-2); white-space: nowrap; }
.sec-link:hover { text-decoration: underline; }
.result-count { font-size: 13.5px; color: var(--tx-3); white-space: nowrap; }

/* Etiqueta de categoría sobre la foto, en las destacadas */
.badge {
  align-self: flex-start;
  font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  background: var(--naranja-2); color: #fff;
  padding: .22rem .6rem; border-radius: var(--r-s);
  margin-bottom: .6rem;
}

/* "Gratis" sobre la foto, arriba a la derecha */
.tool-status {
  position: absolute; top: 1rem; right: 1rem; z-index: 2;
  font-size: 11.5px; font-weight: 700;
  background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.3);
  color: #fff; padding: .18rem .6rem; border-radius: 999px;
  backdrop-filter: blur(4px);
}

.tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 1rem; }
.tag {
  font-size: 11.5px; font-weight: 600; color: var(--tx-2);
  background: var(--blanco); border: 1px solid var(--linea);
  padding: .18rem .55rem; border-radius: var(--r-s);
}
.seccion-crema .tag { background: #fff; }

.use-link { font-size: 14.5px; font-weight: 700; color: var(--naranja-2); }
.use-link:hover { text-decoration: underline; }

/* Las destacadas llevan la categoría y el título sobre la foto; el ícono
   solo aparece en la biblioteca, donde no hay badge que lo sustituya. */
.card-destacada .card-ico { display: none; }