/* ===================================================================
   Fondo de Resguardo Minero PEN E.I.R.L. — Estilos
   Paleta: industrial (acero) + dorado minero + naranja seguridad
   =================================================================== */

:root {
  --oro:       #d4a017;
  --oro-osc:   #b8860b;
  --acero:     #0f1c2e;
  --acero-2:   #1b2c44;
  --naranja:   #f97316;
  --tinta:     #0f1c2e;
  --gris-tx:   #475569;
  --gris-sv:   #64748b;
  --borde:     #e2e8f0;
  --fondo:     #f5f7fa;
  --blanco:    #ffffff;
  --radio:     16px;
  --sombra:    0 4px 6px -1px rgba(15,28,46,.07), 0 2px 4px -2px rgba(15,28,46,.05);
  --sombra-lg: 0 22px 44px -14px rgba(15,28,46,.28);
  --trans:     .25s cubic-bezier(.4,0,.2,1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 78px; }
body { font-family: 'Inter', system-ui, sans-serif; color: var(--tinta); background: var(--blanco); line-height: 1.65; -webkit-font-smoothing: antialiased; }
h1,h2,h3,h4,.logo { font-family: 'Plus Jakarta Sans', sans-serif; line-height: 1.2; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.contenedor { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

/* ===== Botones ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 12px 26px; border: none; border-radius: 10px; font-family: 'Plus Jakarta Sans', sans-serif; font-size: 1rem; font-weight: 600; cursor: pointer; transition: var(--trans); white-space: nowrap; }
.btn-grande { padding: 15px 32px; font-size: 1.05rem; }
.btn-bloque { width: 100%; }
.btn-primario { background: var(--oro); color: #1a1300; box-shadow: 0 10px 22px -8px rgba(212,160,23,.7); }
.btn-primario:hover { background: var(--oro-osc); transform: translateY(-2px); }
.btn-claro { background: #fff; color: var(--acero); border: 1.5px solid transparent; }
.btn-claro:hover { transform: translateY(-2px); box-shadow: var(--sombra-lg); }
.btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }

/* ===== Etiquetas ===== */
.etiqueta { display: inline-flex; align-items: center; gap: 8px; background: rgba(212,160,23,.16); color: var(--oro); padding: 7px 16px; border-radius: 999px; font-size: .85rem; font-weight: 600; margin-bottom: 22px; }
.etiqueta-seccion { display: inline-block; color: var(--oro-osc); font-weight: 700; font-size: .8rem; letter-spacing: .09em; text-transform: uppercase; margin-bottom: 12px; }

/* ===== Cabecera ===== */
.cabecera { position: sticky; top: 0; z-index: 100; background: #fff; backdrop-filter: blur(12px); border-bottom: 1px solid var(--borde); box-shadow: 0 1px 10px -4px rgba(15,28,46,.12); }
.cabecera-flex { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: inline-flex; align-items: center; gap: 12px; font-size: 1.12rem; font-weight: 800; color: var(--acero); }
.logo-texto strong { color: var(--oro-osc); }
.logo-icono { display: grid; place-items: center; width: 42px; height: 42px; background: #fff; border: 1px solid var(--borde); border-radius: 10px; overflow: hidden; padding: 2px; }
.logo-icono img { width: 100%; height: 100%; object-fit: contain; }
.nav-principal { display: flex; align-items: center; gap: 30px; }
.nav-principal a { font-weight: 500; color: var(--gris-tx); transition: var(--trans); }
.nav-principal a:hover { color: var(--oro-osc); }
.nav-principal .nav-destacado { color: var(--oro-osc); font-weight: 700; position: relative; }
.nav-principal .nav-destacado::after { content: ""; position: absolute; top: -3px; right: -10px; width: 7px; height: 7px; background: var(--naranja); border-radius: 50%; }
.nav-principal .nav-cta { background: var(--oro); color: var(--acero); padding: 10px 20px; border-radius: 10px; font-weight: 700; }
.nav-principal .nav-cta:hover { background: var(--oro-osc); color: #fff; }
.nav-toggle { display: none; background: none; border: none; font-size: 1.6rem; color: var(--acero); cursor: pointer; }

/* ===== Hero ===== */
.hero { position: relative; color: #fff; padding: 130px 0 120px; background:
  linear-gradient(rgba(15,28,46,.82), rgba(15,28,46,.88)),
  url('../img/hero.jpg') center/cover no-repeat; }
.hero-overlay { position: absolute; inset: 0; background: radial-gradient(circle at 80% 20%, rgba(212,160,23,.18), transparent 40%); }
.hero-contenido { position: relative; max-width: 760px; }
.hero h1 { font-size: 3.3rem; font-weight: 800; letter-spacing: -.02em; margin-bottom: 22px; }
.hero-sub { font-size: 1.22rem; color: #cbd5e1; margin-bottom: 34px; }
.hero-sub strong { color: #fff; }
.hero-acciones { display: flex; gap: 14px; flex-wrap: wrap; }

/* ===== Stats ===== */
.stats { background: var(--acero-2); padding: 36px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat { display: flex; align-items: center; gap: 16px; color: #fff; }
.stat i { font-size: 1.9rem; color: var(--oro); width: 50px; text-align: center; }
.stat strong { font-family: 'Plus Jakarta Sans', sans-serif; font-size: 1.7rem; display: block; }
.stat span { color: #94a3b8; font-size: .9rem; }

/* ===== Franja de confianza ===== */
.confianza { background: var(--blanco); padding: 30px 0; border-bottom: 1px solid var(--borde); }
.confianza-titulo { text-align: center; color: var(--gris-sv); font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 18px; }
.confianza-items { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px 34px; }
.confianza-items span { display: inline-flex; align-items: center; gap: 9px; color: var(--gris-tx); font-weight: 600; font-size: .95rem; }
.confianza-items i { color: var(--oro-osc); font-size: 1.1rem; }

/* ===== Secciones ===== */
.seccion { padding: 90px 0; }
.seccion-clara { background: var(--fondo); }
.encabezado-seccion { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.encabezado-seccion h2 { font-size: 2.4rem; font-weight: 800; letter-spacing: -.02em; margin-bottom: 14px; }
.encabezado-seccion p { color: var(--gris-tx); font-size: 1.1rem; }

/* ===== Servicios ===== */
.grid-servicios { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 26px; }
.servicio { background: #fff; border: 1px solid var(--borde); border-radius: var(--radio); transition: var(--trans); position: relative; overflow: hidden; }
.servicio:hover { transform: translateY(-8px); box-shadow: var(--sombra-lg); border-color: transparent; }
.servicio-foto { position: relative; height: 180px; overflow: hidden; }
.servicio-foto img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s cubic-bezier(.4,0,.2,1); }
.servicio-foto::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(15,28,46,.35)); }
.servicio:hover .servicio-foto img { transform: scale(1.07); }
.servicio-cuerpo { padding: 30px 28px 32px; }
.servicio-icono { width: 60px; height: 60px; display: grid; place-items: center; font-size: 1.55rem; color: var(--oro-osc); background: rgba(212,160,23,.12); border-radius: 16px; margin-top: -54px; margin-bottom: 18px; position: relative; border: 4px solid #fff; box-shadow: var(--sombra); }
.servicio h3 { font-size: 1.25rem; margin-bottom: 10px; }
.servicio p { color: var(--gris-tx); font-size: .96rem; }

/* ===== Nosotros ===== */
.nosotros-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.nosotros-img { position: relative; border-radius: var(--radio); box-shadow: var(--sombra-lg); }
.nosotros-img img { width: 100%; height: 460px; object-fit: cover; border-radius: var(--radio); }
.nosotros-badge { position: absolute; bottom: -22px; left: -22px; display: flex; align-items: center; gap: 14px; background: #fff; padding: 18px 22px; border-radius: 16px; box-shadow: var(--sombra-lg); }
.nosotros-badge i { font-size: 1.7rem; color: var(--oro-osc); }
.nosotros-badge strong { display: block; font-family: 'Plus Jakarta Sans', sans-serif; font-size: 1.25rem; }
.nosotros-badge span { font-size: .85rem; color: var(--gris-tx); }

/* ===== Galería ===== */
.galeria { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 200px; gap: 18px; }
.galeria-item { position: relative; margin: 0; border-radius: var(--radio); overflow: hidden; box-shadow: var(--sombra); }
.galeria-grande { grid-column: span 2; grid-row: span 2; }
.galeria-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.4,0,.2,1); }
.galeria-item::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 45%, rgba(15,28,46,.78)); }
.galeria-item figcaption { position: absolute; left: 18px; bottom: 16px; right: 18px; z-index: 2; color: #fff; font-weight: 600; font-size: .95rem; transform: translateY(6px); opacity: 0; transition: var(--trans); }
.galeria-item:hover img { transform: scale(1.08); }
.galeria-item:hover figcaption { transform: translateY(0); opacity: 1; }
.nosotros-texto h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 18px; }
.nosotros-texto p { color: var(--gris-tx); font-size: 1.06rem; margin-bottom: 22px; }
.lista-check { display: grid; gap: 12px; margin-bottom: 30px; }
.lista-check li { display: flex; align-items: center; gap: 12px; color: var(--tinta); font-weight: 500; }
.lista-check li i { color: #16a34a; font-size: 1.1rem; }

/* ===== Valores ===== */
.grid-valores { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }
.valor { background: var(--acero); color: #fff; border-radius: var(--radio); padding: 34px 28px; transition: var(--trans); }
.valor:hover { transform: translateY(-6px); box-shadow: var(--sombra-lg); }
.valor-num { font-family: 'Plus Jakarta Sans', sans-serif; font-size: 2.4rem; font-weight: 800; color: var(--oro); margin-bottom: 14px; }
.valor h3 { font-size: 1.25rem; margin-bottom: 8px; }
.valor p { color: #94a3b8; font-size: .96rem; }

/* ===== Puestos de trabajo ===== */
.seccion-empleos { background: var(--fondo); }
.empleos-intro { display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; align-items: center; margin-bottom: 50px; }
.empleos-intro-texto h2 { font-size: 2.4rem; font-weight: 800; letter-spacing: -.02em; margin-bottom: 16px; }
.empleos-intro-texto p { color: var(--gris-tx); font-size: 1.08rem; margin-bottom: 26px; }
.empleos-intro-img { position: relative; border-radius: var(--radio); overflow: hidden; box-shadow: var(--sombra-lg); }
.empleos-intro-img img { width: 100%; height: 320px; object-fit: cover; }
.empleos-intro-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(15,28,46,.4)); }

.grid-empleos { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 26px; align-items: start; }
.empleo-cat-destacada { border: 2px solid var(--oro); position: relative; }
.empleo-cat-destacada::after { content: "Más solicitado"; position: absolute; top: -12px; right: 18px; background: var(--oro); color: #1a1300; font-size: .72rem; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; padding: 5px 12px; border-radius: 999px; }
.empleo-cat { background: #fff; border: 1px solid var(--borde); border-radius: var(--radio); padding: 28px 26px; box-shadow: var(--sombra); transition: var(--trans); }
.empleo-cat:hover { transform: translateY(-6px); box-shadow: var(--sombra-lg); }
.empleo-cat-cab { display: flex; align-items: center; gap: 16px; padding-bottom: 18px; margin-bottom: 8px; border-bottom: 2px solid var(--borde); }
.empleo-cat-icono { display: grid; place-items: center; width: 54px; height: 54px; flex: none; background: var(--acero); color: var(--oro); border-radius: 14px; font-size: 1.4rem; }
.empleo-cat-cab h3 { font-size: 1.35rem; }
.empleo-cat-tag { display: inline-block; margin-top: 4px; font-size: .75rem; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; color: var(--oro-osc); background: rgba(212,160,23,.14); padding: 3px 10px; border-radius: 999px; }
.empleo-lista { display: flex; flex-direction: column; }
.empleo-lista li { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--borde); }
.empleo-lista li:last-child { border-bottom: none; }
.empleo-info { display: flex; flex-direction: column; gap: 6px; }
.empleo-puesto { color: var(--tinta); font-weight: 500; font-size: .96rem; }
.empleo-puesto em { color: var(--gris-sv); font-style: normal; font-size: .82rem; font-weight: 500; }
.empleo-sueldo { align-self: flex-start; font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 700; font-size: .9rem; color: var(--acero); background: var(--fondo); border: 1px solid var(--borde); padding: 5px 11px; border-radius: 8px; white-space: nowrap; }
.empleo-wsp { flex: none; display: inline-flex; align-items: center; gap: 7px; background: #25d366; color: #fff; font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 700; font-size: .85rem; padding: 9px 15px; border-radius: 9px; transition: var(--trans); white-space: nowrap; }
.empleo-wsp i { font-size: 1.05rem; }
.empleo-wsp:hover { background: #1ebe5a; transform: translateY(-2px); box-shadow: 0 8px 18px -6px rgba(37,211,102,.6); }

.empleos-acciones { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 4px; }
.empleo-cta-sub { display: block; margin-top: 6px; color: #94a3b8; font-size: .88rem; }
.empleo-cta { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; margin-top: 40px; background: var(--acero); color: #cbd5e1; border-radius: var(--radio); padding: 28px 32px; }
.empleo-cta p { font-size: .95rem; max-width: 640px; }
.empleo-cta p i { color: var(--oro); margin-right: 6px; }

/* ===== CTA final ===== */
.cta-final { background: linear-gradient(135deg, var(--oro), var(--oro-osc)); color: #1a1300; text-align: center; padding: 80px 0; }
.cta-final h2 { font-size: 2.4rem; font-weight: 800; margin-bottom: 14px; }
.cta-final p { font-size: 1.15rem; margin-bottom: 32px; opacity: .9; }
.cta-final .btn-claro { color: var(--acero); }

/* ===== Contacto ===== */
.contacto-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: start; }
.contacto-info h2 { font-size: 2.1rem; font-weight: 800; margin-bottom: 14px; }
.contacto-info p { color: var(--gris-tx); margin-bottom: 26px; }
.contacto-datos { display: grid; gap: 16px; }
.contacto-datos li { display: flex; align-items: center; gap: 14px; color: var(--tinta); font-weight: 500; }
.contacto-datos li i { width: 42px; height: 42px; display: grid; place-items: center; background: var(--acero); color: var(--oro); border-radius: 12px; }

.formulario { background: #fff; border: 1px solid var(--borde); padding: 34px; border-radius: var(--radio); box-shadow: var(--sombra); }
.fila { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.campo { margin-bottom: 18px; }
.campo label { display: block; font-weight: 600; margin-bottom: 8px; font-size: .95rem; }
.campo-opcional { color: var(--gris-sv); font-weight: 400; font-size: .82rem; }
.campo input, .campo select, .campo textarea { width: 100%; padding: 13px 16px; border: 1.5px solid var(--borde); border-radius: 10px; font-size: 1rem; font-family: inherit; color: var(--tinta); transition: var(--trans); background: #fff; resize: vertical; }
.campo input:focus, .campo select:focus, .campo textarea:focus { outline: none; border-color: var(--oro); box-shadow: 0 0 0 4px rgba(212,160,23,.15); }
.nota-segura { text-align: center; color: var(--gris-sv); font-size: .85rem; margin-top: 16px; }
.resultado { margin-top: 16px; }
.alerta { padding: 15px 18px; border-radius: 12px; font-weight: 500; }
.alerta-ok { background: #dcfce7; color: #166534; border: 1px solid #86efac; }
.alerta-error { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }

/* ===== WhatsApp ===== */
.contacto-datos li a { display: flex; align-items: center; gap: 14px; color: var(--tinta); font-weight: 500; transition: var(--trans); }
.contacto-datos li a:hover { color: #128c4a; }
.contacto-datos li a .fa-whatsapp { width: 42px; height: 42px; display: grid; place-items: center; background: #25d366; color: #fff; border-radius: 12px; font-size: 1.3rem; }
.dato-wsp { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: #128c4a; background: rgba(37,211,102,.14); padding: 3px 9px; border-radius: 999px; }

.wsp-flotante { position: fixed; right: 22px; bottom: 22px; z-index: 200; display: inline-flex; align-items: center; gap: 10px; background: #25d366; color: #fff; padding: 13px 20px 13px 16px; border-radius: 999px; font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 700; box-shadow: 0 12px 28px -8px rgba(37,211,102,.7); transition: var(--trans); }
.wsp-flotante i { font-size: 1.7rem; }
.wsp-flotante:hover { background: #1ebe5a; transform: translateY(-3px); box-shadow: 0 16px 34px -8px rgba(37,211,102,.8); }
@media (max-width: 480px) {
  .wsp-flotante span { display: none; }
  .wsp-flotante { padding: 15px; right: 16px; bottom: 16px; }
}

/* ===== Pie ===== */
.pie { background: var(--acero); color: #94a3b8; padding-top: 64px; }
.pie-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; }
.logo-pie { display: inline-block; margin-bottom: 16px; }
.pie-logo-img { height: 84px; background: #fff; border-radius: 12px; padding: 8px 12px; }
.pie-grid p { font-size: .95rem; max-width: 280px; }
.pie-grid h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
.pie-grid > div a { display: flex; align-items: center; gap: 8px; color: #94a3b8; padding: 5px 0; transition: var(--trans); }
.pie-grid > div:not(:first-child) a:hover { color: var(--oro); }
.pie-base { border-top: 1px solid rgba(255,255,255,.08); padding: 24px 0; text-align: center; font-size: .9rem; }

/* ===== Responsive ===== */
@media (max-width: 980px) {
  .nosotros-grid, .contacto-grid { grid-template-columns: 1fr; gap: 40px; }
  .nosotros-img { order: -1; margin-bottom: 22px; }
  .nosotros-img img { height: 320px; }
  .nosotros-badge { left: 16px; bottom: -18px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 2.7rem; }
  .pie-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .galeria { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 180px; }
  .galeria-grande { grid-column: span 2; grid-row: span 1; }
  .empleos-intro { grid-template-columns: 1fr; gap: 30px; }
  .empleos-intro-img { order: -1; }
}
@media (max-width: 680px) {
  .nav-principal { position: fixed; inset: 72px 0 auto 0; flex-direction: column; align-items: stretch; gap: 4px;
    background: #fff; padding: 14px 18px 20px; border-bottom: 1px solid var(--borde); box-shadow: 0 18px 30px -16px rgba(15,28,46,.3);
    transform: translateY(-130%); transition: var(--trans); }
  .nav-principal a { padding: 13px 12px; border-radius: 10px; border-bottom: 1px solid var(--borde); }
  .nav-principal a:last-child { border-bottom: none; }
  .nav-principal a:hover { background: var(--fondo); }
  .nav-principal .nav-destacado::after { display: none; }
  .nav-principal .nav-cta { text-align: center; margin-top: 8px; border-bottom: none; }
  .nav-principal.abierto { transform: translateY(0); }
  .cabecera-flex { gap: 8px; }
  .nav-toggle { display: block; flex: 0 0 auto; font-size: 1.55rem; }
  .logo { font-size: .9rem; gap: 9px; min-width: 0; overflow: hidden; }
  .logo-icono { flex: none; width: 36px; height: 36px; }
  .logo-texto { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .hero { padding: 90px 0 80px; }
  .hero h1 { font-size: 2.1rem; }
  .hero-sub { font-size: 1.05rem; }
  .encabezado-seccion h2, .nosotros-texto h2, .contacto-info h2, .cta-final h2 { font-size: 1.7rem; }
  .seccion { padding: 60px 0; }
  .pie-grid { grid-template-columns: 1fr; gap: 26px; }
}
@media (max-width: 430px) {
  .contenedor { padding: 0 16px; }
  .hero h1 { font-size: 1.85rem; }
  .hero-acciones { flex-direction: column; align-items: stretch; }
  .hero-acciones .btn { width: 100%; }
  .stats-grid { grid-template-columns: 1fr; }
  .fila { grid-template-columns: 1fr; }
  .formulario { padding: 24px 20px; }
  .grid-servicios, .grid-valores { grid-template-columns: 1fr; }
  .galeria { grid-template-columns: 1fr; grid-auto-rows: 200px; }
  .galeria-grande { grid-column: span 1; }
  .empleo-lista li { flex-direction: column; align-items: flex-start; gap: 6px; }
  .empleo-cta { flex-direction: column; align-items: stretch; text-align: center; }
  .empleo-cta .btn { width: 100%; }
}