/* ===================================================================
   EMPíRIA — landing  ·  Montserrat + paleta de marca
   =================================================================== */

:root {
  --teal:        #004D61;   /* base */
  --teal-2:      #0F7C8C;   /* secundario */
  --flujo:       #4FA3B8;   /* acento flujo */
  --dorado:      #C6A15B;   /* valor / ROI */
  --gris:        #6F7C80;
  --texto:       #2E2E2E;
  --suave:       #F2F7F8;   /* fondo suave */
  --blanco:      #FFFFFF;
  --max:         1080px;
  --radio:       10px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Montserrat', system-ui, sans-serif;
  color: var(--texto);
  background: var(--blanco);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 1.25rem; }
.narrow { max-width: 760px; }

/* ---------- Tipografía de secciones ---------- */
h1, h2, h3, h4 { line-height: 1.2; color: var(--teal); font-weight: 700; }
h1 { font-size: clamp(1.9rem, 5vw, 3.1rem); font-weight: 800; }
.section-title { font-size: clamp(1.5rem, 3.5vw, 2.2rem); margin-bottom: .75rem; }
.section-sub { color: var(--gris); font-size: 1.05rem; max-width: 720px; margin-bottom: 2rem; }

.eyebrow {
  text-transform: uppercase; letter-spacing: .18em; font-weight: 600;
  font-size: .8rem; color: var(--dorado); margin-bottom: 1rem;
}

/* ---------- Botones ---------- */
.btn {
  display: inline-block; font-weight: 600; font-family: inherit; cursor: pointer;
  padding: .85rem 1.8rem; border-radius: var(--radio); border: 2px solid var(--teal);
  font-size: 1rem; transition: background .15s, color .15s; text-decoration: none;
}
.btn-primary { background: var(--teal); color: var(--blanco); }
.btn-primary:hover { background: #00657f; border-color: #00657f; text-decoration: none; }
.btn-sm { padding: .5rem 1.1rem; font-size: .9rem; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.95); backdrop-filter: blur(6px);
  border-bottom: 1px solid #e6edee;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 84px; }
.brand img { height: 60px; width: auto; display: block; }
.brand:hover { text-decoration: none; }

.nav-links { display: flex; align-items: center; gap: 1.5rem; }
.nav-links a { color: var(--texto); font-weight: 500; }
.nav-links a.btn { color: var(--blanco); }
.nav summary { list-style: none; display: none; cursor: pointer; }
.nav summary::-webkit-details-marker { display: none; }

/* ---------- Hero ---------- */
.hero {
  background: var(--suave); padding: clamp(3.5rem, 9vw, 7rem) 0;
  position: relative; overflow: hidden;
}
/* ponytail: bombillo de marca como filigrana de fondo — sin asset nuevo, da profundidad */
.hero::after {
  content: ""; position: absolute; right: -4%; top: 50%; transform: translateY(-50%);
  width: min(74vw, 840px); aspect-ratio: 1; opacity: .10; pointer-events: none;
  background: url("assets/bombillo-principal.png") no-repeat center / contain;
}
.hero-inner { max-width: 820px; position: relative; z-index: 1; }
.hero h1 { margin-bottom: 1.25rem; }
.lead { font-size: 1.2rem; color: var(--texto); margin-bottom: 2rem; max-width: 700px; }
.lead strong { color: var(--teal); }

/* ---------- Secciones genéricas ---------- */
.section { padding: clamp(3rem, 7vw, 5.5rem) 0; }
.section-soft { background: var(--suave); }
.section-dark { background: var(--teal); color: var(--blanco); }
.section-dark .section-title { color: var(--blanco); }
.section-dark .section-sub { color: rgba(255,255,255,.85); }

/* ---------- Tarjetas ---------- */
.cards { display: grid; gap: 1.5rem; }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--blanco); border: 1px solid #e6edee; border-radius: var(--radio);
  padding: 1.75rem;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 77, 97, .10);
  border-color: #cdd9db;
}
.card h3 { margin-bottom: .5rem; }
.card p { color: var(--gris); font-size: .98rem; }
.card-icon { height: 64px; width: auto; margin-bottom: 1rem; }

.group-title { color: var(--dorado); font-size: 1.1rem; text-transform: uppercase;
  letter-spacing: .1em; margin: 2.5rem 0 1.25rem; }
.section-soft .group-title:first-of-type { margin-top: 0; }
.card-service h4 { font-size: 1.1rem; margin-bottom: .5rem; }
.card-service p { color: var(--gris); font-size: .95rem; }

/* ---------- La verdad incómoda ---------- */
.truth-list { list-style: none; display: grid; gap: .85rem; margin: 1.5rem 0; }
.truth-list li {
  font-size: 1.15rem; font-weight: 500; padding-left: 1.75rem; position: relative;
}
.truth-list li::before {
  content: "→"; position: absolute; left: 0; color: var(--dorado); font-weight: 700;
}
.truth-close { color: rgba(255,255,255,.9); font-size: 1.05rem; margin-top: 1rem; }

/* ---------- Métricas ---------- */
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.metric {
  background: var(--suave); border-radius: var(--radio); padding: 1.75rem 1.25rem;
  text-align: center; border-bottom: 4px solid var(--dorado);
}
.metric-num { display: block; font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; color: var(--teal); }
.metric-label { display: block; color: var(--gris); font-size: .95rem; margin-top: .35rem; }
.disclaimer { color: var(--gris); font-size: .82rem; margin-top: 1.75rem; max-width: 760px; }

/* ---------- Cómo trabajamos ---------- */
.values { list-style: none; display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.5rem 0; }
.values li {
  background: var(--suave); color: var(--teal); font-weight: 600; font-size: .95rem;
  padding: .5rem 1.1rem; border-radius: 999px; border: 1px solid #dbe7e9;
}
.values-note { color: var(--gris); }

/* ---------- Contacto ---------- */
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.contact-text p { color: rgba(255,255,255,.9); margin: 1rem 0 1.5rem; }
.contact-list { list-style: none; display: grid; gap: .6rem; font-weight: 500; }
.contact-list a { color: var(--blanco); text-decoration: underline; text-underline-offset: 3px; }

.contact-form { display: grid; gap: 1rem; background: var(--blanco); padding: 2rem; border-radius: var(--radio); }
.contact-form label { display: grid; gap: .35rem; color: var(--texto); font-weight: 600; font-size: .9rem; }
.contact-form input, .contact-form textarea {
  font-family: inherit; font-size: 1rem; padding: .7rem .85rem;
  border: 1px solid #cdd9db; border-radius: 8px; color: var(--texto); width: 100%;
}
.contact-form input:focus, .contact-form textarea:focus {
  outline: 2px solid var(--flujo); border-color: var(--flujo);
}
.contact-form .btn { margin-top: .25rem; }
.hidden-field { display: none; }

/* ---------- Footer ---------- */
.site-footer { background: var(--suave); border-top: 1px solid #e6edee; padding: 2.5rem 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }
.footer-logo { height: 72px; width: auto; }
.footer-meta { color: var(--gris); font-size: .85rem; text-align: right; }

/* ===================================================================
   Responsive
   =================================================================== */
@media (max-width: 820px) {
  .cards-3, .metrics, .contact-inner { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: repeat(2, 1fr); }

  /* Menú móvil con <details> nativo */
  .nav summary {
    display: flex; flex-direction: column; gap: 5px; padding: .4rem;
  }
  .nav summary span { width: 26px; height: 3px; background: var(--teal); border-radius: 2px; }
  .nav[open] .nav-links {
    position: absolute; right: 1.25rem; top: 64px;
    background: var(--blanco); border: 1px solid #e6edee; border-radius: var(--radio);
    flex-direction: column; align-items: stretch; padding: 1rem; gap: 1rem;
    box-shadow: 0 10px 30px rgba(0,0,0,.08); min-width: 200px;
  }
  .nav-links { display: none; }
  .nav[open] .nav-links { display: flex; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-meta { text-align: left; }
}

@media (max-width: 480px) {
  .metrics { grid-template-columns: 1fr; }
}

/* ===================================================================
   Animaciones — aparición al hacer scroll
   =================================================================== */
/* Solo se ocultan si <html> tiene la clase .anim (la pone el JS sólo si hay soporte).
   Sin JS → nunca se ocultan → la página se ve completa. */
.anim .reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.anim .reveal.in { opacity: 1; transform: none; }
.anim .metric:nth-child(2), .anim .card:nth-child(2) { transition-delay: .08s; }
.anim .metric:nth-child(3), .anim .card:nth-child(3) { transition-delay: .16s; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .card:hover { transform: none; }
}