/* =========================================================
   Fondo unificado — CAU Villa Lugano
   Incluir en cualquier página con:
     <link rel="stylesheet" href="shared/background.css">
   ========================================================= */

html {
    background-color: #061716;
    scrollbar-width: auto;
    scrollbar-color: #00c7b1 #061716;
}

::-webkit-scrollbar { width: 14px; }
::-webkit-scrollbar-track { background: #061716; }
::-webkit-scrollbar-thumb { background: #00c7b1; }
::-webkit-scrollbar-thumb:hover { background: #48b3a4; }

body {
    background-color: #061716;
    position: relative;
}

/* Capa 1: degradé profundo con tonos teal */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(1100px 700px at 16% 6%,  rgba(0, 199, 177, 0.08) 0%, rgba(0, 199, 177, 0) 62%),
        radial-gradient(1000px 700px at 50% 100%, rgba(0, 140, 125, 0.12) 0%, rgba(0, 140, 125, 0) 66%),
        linear-gradient(170deg, #041211 0%, #071d1b 40%, #082422 72%, #061716 100%);
}

/* Capa 2: grilla sutil centrada */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.006) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.006) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(circle at center, black 45%, transparent 100%);
}