/* ==========================================================================
   iPago — hoja de estilos
   Paleta tomada del logotipo oficial: marino #334781 · naranja #F15C22
   ========================================================================== */

@font-face {
  font-family: 'Urbanist'; font-style: normal; font-weight: 400; font-display: swap;
  src: url('../fonts/urbanist-400.woff2') format('woff2');
}
@font-face {
  font-family: 'Urbanist'; font-style: normal; font-weight: 600; font-display: swap;
  src: url('../fonts/urbanist-600.woff2') format('woff2');
}
@font-face {
  font-family: 'Urbanist'; font-style: normal; font-weight: 700; font-display: swap;
  src: url('../fonts/urbanist-700.woff2') format('woff2');
}
@font-face {
  font-family: 'Urbanist'; font-style: normal; font-weight: 800; font-display: swap;
  src: url('../fonts/urbanist-800.woff2') format('woff2');
}

:root {
  --marino:        #334781;
  --marino-oscuro: #22305A;
  --marino-tinta:  #172242;
  --naranja:       #F15C22;
  --naranja-claro: #FF7A45;
  --tinta:         #1E293B;
  --gris:          #5B6579;
  --gris-claro:    #8A93A6;
  --linea:         #E4E8EF;
  --fondo:         #FFFFFF;
  --fondo-alt:     #F6F8FB;
  --radio:         14px;
  --ancho:         1120px;
  --sombra:        0 1px 2px rgba(23,34,66,.04), 0 8px 24px rgba(23,34,66,.06);
  --sombra-alta:   0 2px 4px rgba(23,34,66,.06), 0 18px 44px rgba(23,34,66,.12);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 88px; }

body {
  margin: 0;
  background: var(--fondo);
  color: var(--tinta);
  font-family: 'Urbanist', 'Segoe UI', system-ui, -apple-system, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--marino); text-decoration: none; }
a:hover { color: var(--naranja); }

h1, h2, h3 { line-height: 1.15; letter-spacing: -.02em; margin: 0; font-weight: 800; }
h1 { font-size: clamp(2.1rem, 5.2vw, 3.5rem); }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.4rem); }
h3 { font-size: 1.16rem; font-weight: 700; letter-spacing: -.01em; }
p  { margin: 0 0 1rem; }

.contenedor { width: 100%; max-width: var(--ancho); margin: 0 auto; padding: 0 24px; }

.seccion { padding: clamp(64px, 9vw, 108px) 0; }
.seccion--alt { background: var(--fondo-alt); border-block: 1px solid var(--linea); }

.etiqueta {
  display: inline-block; font-size: .78rem; font-weight: 700;
  letter-spacing: .16em; text-transform: uppercase; color: var(--naranja);
  margin-bottom: 14px;
}
.encabezado { max-width: 44rem; margin-bottom: clamp(36px, 5vw, 56px); }
.encabezado p { color: var(--gris); font-size: 1.08rem; margin: 16px 0 0; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px; border-radius: 999px; border: 1.5px solid transparent;
  font-weight: 700; font-size: .98rem; line-height: 1; cursor: pointer;
  transition: transform .15s ease, background-color .15s ease, border-color .15s ease, color .15s ease;
}
.btn:hover  { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn svg { width: 18px; height: 18px; flex: none; }

.btn--principal { background: var(--naranja); color: #fff; }
.btn--principal:hover { background: var(--naranja-claro); color: #fff; }

.btn--secundario { background: transparent; color: var(--marino); border-color: rgba(51,71,129,.28); }
.btn--secundario:hover { border-color: var(--marino); background: rgba(51,71,129,.05); color: var(--marino); }

.btn--claro { background: rgba(255,255,255,.1); color: #fff; border-color: rgba(255,255,255,.3); }
.btn--claro:hover { background: rgba(255,255,255,.18); color: #fff; border-color: rgba(255,255,255,.55); }

.botonera { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- Encabezado del sitio ---------- */
.cabecera {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.88);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--linea);
}
.cabecera__interior { display: flex; align-items: center; gap: 24px; height: 76px; }
.cabecera__logo img { height: 34px; width: auto; }

/* El logo de la barra aparece sólo cuando el de la portada ya se encogió */
.cabecera__logo {
  opacity: 0; transform: translateY(-4px);
  transition: opacity .25s ease, transform .25s ease;
  pointer-events: none;
}
.cabecera.compacta .cabecera__logo { opacity: 1; transform: none; pointer-events: auto; }

.nav { margin-left: auto; display: flex; align-items: center; gap: 30px; }
.nav a {
  font-weight: 600; font-size: .96rem; color: var(--gris);
  position: relative; padding: 4px 0;
}
.nav a:hover { color: var(--marino); }
.nav a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px;
  background: var(--naranja); transform: scaleX(0); transform-origin: left;
  transition: transform .2s ease;
}
.nav a:hover::after { transform: scaleX(1); }
.nav .btn {
  margin-left: 4px; padding: 12px 24px; color: #fff;
  font-size: .95rem; border-radius: 999px;
}
.nav .btn:hover { color: #fff; }
.nav .btn::after { display: none; }

.menu-btn {
  margin-left: auto; display: none; width: 44px; height: 44px;
  border: 1px solid var(--linea); border-radius: 10px; background: #fff;
  cursor: pointer; align-items: center; justify-content: center;
}
.menu-btn span { display: block; width: 18px; height: 2px; background: var(--marino); position: relative; }
.menu-btn span::before, .menu-btn span::after {
  content: ''; position: absolute; left: 0; width: 18px; height: 2px; background: var(--marino);
}
.menu-btn span::before { top: -6px; } .menu-btn span::after { top: 6px; }

/* ---------- Portada ---------- */
.portada {
  position: relative; overflow: hidden; color: var(--tinta);
  background:
    radial-gradient(74rem 34rem at 82% -14%, rgba(241,92,34,.13), transparent 60%),
    radial-gradient(60rem 34rem at 4% 106%, rgba(51,71,129,.10), transparent 62%),
    linear-gradient(180deg, #FFFFFF 0%, var(--fondo-alt) 100%);
  border-bottom: 1px solid var(--linea);
  padding: clamp(66px, 10vw, 120px) 0 clamp(56px, 8vw, 92px);
}
.portada::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(51,71,129,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(51,71,129,.05) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(72% 72% at 50% 38%, #000 25%, transparent 100%);
  -webkit-mask-image: radial-gradient(72% 72% at 50% 38%, #000 25%, transparent 100%);
}
.portada > * { position: relative; z-index: 1; }

/* Logotipo grande de entrada: 50% del ancho de pantalla, se encoge al hacer scroll */
.marca-hero { margin-bottom: clamp(26px, 4vw, 44px); }
.marca-hero img {
  width: clamp(230px, 50vw, 720px); height: auto;
  transform-origin: left center; will-change: transform, opacity;
}

.portada__texto { max-width: 46rem; }
.portada h1 { color: var(--marino); }
.portada h1 em { font-style: normal; color: var(--naranja); }
.portada__entrada {
  font-size: clamp(1.04rem, 2vw, 1.22rem); color: var(--gris);
  margin: 22px 0 34px; max-width: 40rem;
}

.datos {
  display: grid; gap: 1px; margin-top: clamp(48px, 7vw, 72px);
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  background: var(--linea);
  border: 1px solid var(--linea); border-radius: var(--radio); overflow: hidden;
  box-shadow: var(--sombra);
}
.dato { background: #fff; padding: 24px 26px; }
.dato strong { display: block; font-size: 1.85rem; font-weight: 800; color: var(--marino); line-height: 1.1; }
.dato span { display: block; margin-top: 6px; font-size: .92rem; color: var(--gris); line-height: 1.45; }

/* ---------- Familias de soluciones ---------- */
.familia + .familia { margin-top: clamp(48px, 6vw, 68px); }

.familia__cabecera {
  display: flex; align-items: flex-start; gap: 18px;
  padding-bottom: 18px; margin-bottom: 26px;
  border-bottom: 1px solid var(--linea);
}
.familia__chip {
  flex: none; width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: var(--marino); color: #fff;
  font-weight: 800; font-size: .95rem; letter-spacing: .02em;
}
.familia__titulo { font-size: clamp(1.28rem, 2.4vw, 1.55rem); font-weight: 800; color: var(--marino); }
.familia__bajada { margin: 6px 0 0; color: var(--gris); font-size: 1rem; max-width: 52rem; }

/* ---------- Tarjetas de solución ---------- */
.rejilla { display: grid; gap: 22px; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); }

.tarjeta {
  background: #fff; border: 1px solid var(--linea); border-radius: var(--radio);
  padding: 30px 28px; box-shadow: var(--sombra);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.tarjeta:hover { transform: translateY(-3px); box-shadow: var(--sombra-alta); border-color: #D3DAE7; }
.tarjeta__icono {
  width: 46px; height: 46px; border-radius: 12px; margin-bottom: 20px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(241,92,34,.10); color: var(--naranja);
}
.tarjeta__icono svg { width: 23px; height: 23px; }
.tarjeta h3 { margin-bottom: 10px; color: var(--marino); }
.tarjeta p  { color: var(--gris); font-size: .98rem; margin: 0; }

/* ---------- Segmentos ---------- */
.segmento {
  background: #fff; border: 1px solid var(--linea); border-radius: var(--radio);
  padding: 30px 28px; border-top: 3px solid var(--naranja);
}
.segmento h3 { color: var(--marino); margin-bottom: 14px; }
.segmento dt {
  font-size: .74rem; font-weight: 700; letter-spacing: .14em;
  text-transform: uppercase; color: var(--gris-claro); margin-bottom: 4px;
}
.segmento dd { margin: 0 0 18px; color: var(--gris); font-size: .98rem; }
.segmento dd:last-child { margin-bottom: 0; }

/* ---------- Nosotros ---------- */
.dos-columnas {
  display: grid; gap: clamp(36px, 6vw, 72px); align-items: start;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
}
.dos-columnas p { color: var(--gris); }
.dos-columnas p.destacado { color: var(--tinta); font-size: 1.12rem; font-weight: 600; }

.pilares { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px;
  background: var(--linea); border: 1px solid var(--linea); border-radius: var(--radio); overflow: hidden; }
.pilar { background: #fff; padding: 22px 24px; }
.pilar strong { display: block; color: var(--marino); font-weight: 700; }
.pilar span { display: block; color: var(--gris); font-size: .95rem; margin-top: 4px; }

/* ---------- Contacto ---------- */
.contacto {
  color: var(--tinta);
  border-top: 1px solid var(--linea);
  background:
    radial-gradient(56rem 28rem at 88% 0%, rgba(241,92,34,.12), transparent 62%),
    linear-gradient(180deg, var(--fondo-alt) 0%, #FFFFFF 100%);
}
.contacto h2 { color: var(--marino); }
.contacto p { color: var(--gris); }
.contacto .dos-columnas { align-items: center; }

.datos-contacto { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.datos-contacto li {
  display: flex; align-items: center; gap: 14px;
  background: #fff; border: 1px solid var(--linea);
  border-radius: 12px; padding: 16px 20px; box-shadow: var(--sombra);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.datos-contacto li:hover { border-color: #C9D2E3; box-shadow: var(--sombra-alta); }
.datos-contacto svg { width: 20px; height: 20px; color: var(--naranja); flex: none; }
.datos-contacto a, .datos-contacto span { color: var(--marino); font-weight: 700; }
.datos-contacto small { display: block; font-weight: 400; color: var(--gris-claro); font-size: .82rem; }

/* ---------- Pie ---------- */
.pie {
  background: #fff; border-top: 1px solid var(--linea);
  color: var(--gris); padding: 40px 0; font-size: .92rem;
}
.pie__interior { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between; }
.pie img { height: 28px; width: auto; }
.pie a { color: var(--gris); }
.pie a:hover { color: var(--naranja); }
.pie__legal { display: flex; gap: 22px; flex-wrap: wrap; }

/* ---------- Adaptación a móvil ---------- */
@media (max-width: 900px) {
  .dos-columnas { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .menu-btn { display: flex; }
  .nav {
    position: absolute; top: 76px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--linea);
    padding: 8px 24px 20px; display: none; box-shadow: var(--sombra);
  }
  .nav.abierto { display: flex; }
  .nav a { padding: 13px 0; border-bottom: 1px solid var(--linea); }
  .nav a::after { display: none; }
  .nav .btn { margin-top: 16px; justify-content: center; }
  .botonera .btn { flex: 1 1 auto; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}