*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }
body { margin: 0; background: var(--blanco); color: var(--negro); font-family: var(--fuente-texto); font-size: var(--cuerpo); line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--fuente-titular); font-weight: 800; letter-spacing: -.02em; line-height: 1.05; margin: 0; text-wrap: balance; }
h1 { font-size: var(--h1); }
h2 { font-size: var(--h2); }
h3 { font-size: var(--h3); line-height: 1.2; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--dorado); outline-offset: 3px; }

.contenedor { width: 100%; max-width: calc(var(--ancho) + 2 * var(--gutter)); margin: 0 auto; padding-inline: var(--gutter); }
.seccion { padding-block: clamp(64px, 9vw, 120px); }
.seccion--alterna { background: var(--blanco-calido); }
.seccion--marino { background: var(--marino); color: var(--blanco); }
.seccion--marino .ceja { color: var(--dorado); }
.ceja { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--naranja); margin-bottom: 14px; }
.encabezado-seccion { max-width: 720px; margin-bottom: clamp(32px, 5vw, 56px); display: grid; gap: 14px; }
.encabezado-seccion p { color: var(--gris-texto); }
.seccion--marino .encabezado-seccion p { color: rgba(255, 255, 255, .75); }

.boton { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 12px 22px; border-radius: 999px; font: 700 15px/1 var(--fuente-texto); text-decoration: none; border: 2px solid transparent; cursor: pointer; transition: transform .15s ease, background .15s ease, color .15s ease; }
.boton:hover { transform: translateY(-1px); }
.boton--dorado { background: var(--dorado); color: var(--negro); }
.boton--dorado:hover { background: var(--dorado-oscuro); }
.boton--negro { background: var(--negro); color: var(--blanco); }
.boton--contorno { background: transparent; color: var(--negro); border-color: var(--negro); }
.seccion--marino .boton--contorno { color: var(--blanco); border-color: var(--blanco); }

/* Encabezado */
.cabecera { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .94); backdrop-filter: blur(10px); border-bottom: 1px solid transparent; transition: box-shadow .2s ease, border-color .2s ease; }
.cabecera.con-sombra { border-color: var(--linea); box-shadow: 0 8px 24px -18px rgba(0, 0, 0, .35); }
.cabecera__fila { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 72px; }
.logo { display: inline-flex; flex-direction: column; text-decoration: none; line-height: 1; }
.logo__marca { font: 800 22px/1 var(--fuente-titular); letter-spacing: .04em; color: var(--negro); }
.logo__sello { font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--naranja); margin-top: 4px; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a:not(.boton) { text-decoration: none; font-size: 15px; font-weight: 600; color: var(--gris-texto); }
.nav a:not(.boton):hover { color: var(--negro); }
.nav-toggle { display: none; background: none; border: 0; padding: 10px; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--negro); margin: 5px 0; transition: transform .2s ease, opacity .2s ease; }
@media (max-width: 767px) {
  .nav-toggle { display: block; }
  .nav { position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--blanco); border-bottom: 1px solid var(--linea); padding: 8px var(--gutter) 20px; display: none; }
  .nav.abierto { display: flex; }
  .nav a:not(.boton) { padding: 14px 0; border-bottom: 1px solid var(--linea); }
  .nav .boton { margin-top: 16px; }
}

/* Pie */
.pie { background: var(--negro); color: rgba(255, 255, 255, .78); padding-block: 56px 32px; font-size: 15px; }
.pie__fila { display: grid; gap: 32px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.pie .logo__marca { color: var(--blanco); }
.pie h3 { color: var(--blanco); font-size: 15px; margin-bottom: 10px; letter-spacing: 0; }
.pie a { color: rgba(255, 255, 255, .85); }
.pie__legal { border-top: 1px solid rgba(255, 255, 255, .12); margin-top: 40px; padding-top: 20px; font-size: 13px; color: rgba(255, 255, 255, .55); display: grid; gap: 10px; }
.logo__img { height: 44px; width: auto; }
.logo__img--pie { height: 52px; }
@media (max-width: 420px) { .logo__img { height: 36px; } }