html, body {
    height: 100%;
    margin: 0;
}

body {
    font-family: 'Poppins', sans-serif;
    display: flex;
    flex-direction: column;
    color: #2d3436;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-color: #f4f7f9;
}

.fondo {
    position: fixed;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    object-fit: cover;
    opacity: 0.9;
}

main {
    flex: 1;
}


h1, h2, .navbar-brand {
    font-weight: 700;
    letter-spacing: -0.5px;
}

.text-primary {
    color: white !important; 
    -webkit-text-fill-color: initial; 
    background: none !important;
}

nav.navbar,
.navbar.navbar-expand-sm.navbar-dark.bg-dark,
.navbar {
    background-color: rgba(255,255,255,0.60) !important; 
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.04) !important;
    border-bottom: 1px solid rgba(0,0,0,0.03) !important;
}

    .navbar .navbar-brand,
    .navbar .nav-link {
        color: #2d3436 !important; 
        font-weight: 600;
    }

     
        .navbar .nav-link:hover,
        .navbar .nav-link:focus {
            color: #6b4832 !important; 
            text-decoration: none;
        }

        .navbar .nav-link.active,
        .navbar .nav-link[aria-current="page"] {
            color: #6b4832 !important;
            background-color: transparent !important;
            box-shadow: 0 0 0 0.08rem rgba(107,72,50,0.06) !important;
        }

.navbar-collapse {
    background: rgba(255,255,255,0.58);
}

@media (min-width: 576px) {
    .navbar-collapse {
        background: transparent;
    }
}

.navbar .btn {
    color: #2d3436 !important;
    border-color: rgba(0,0,0,0.06) !important;
}


.btn-primary {
    background-color: #e25a3b !important; 
    border-color: #d04f34 !important;
    color: #ffffff !important;
    box-shadow: none !important;
}

    .btn-primary:hover, .btn-primary:focus, .btn-primary:active {
        background-color: #cf4d33 !important; 
        border-color: #b63f2b !important;
        color: #ffffff !important;
    }

.text-center.welcome-card,
.welcome-card {
    background-color: rgba(255, 255, 255, 0.60) !important; 
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: saturate(1.02) blur(8px); 
    border: 1px solid rgba(255,255,255,0.08) !important;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.05) !important;
    background-clip: padding-box; 
    position: relative;
    z-index: 1;
    will-change: backdrop-filter;
    padding: 2.5rem 1.5rem; 
}

    .welcome-card.shadow-sm {
        box-shadow: 0 6px 14px rgba(0,0,0,0.05) !important;
    }

    .welcome-card.bg-light {
        background-color: rgba(255,255,255,0.60) !important;
    }


.card {
    background-color: rgba(255, 255, 255, 0.60) !important; 
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: saturate(1.02) blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.10);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    background-clip: padding-box;
    position: relative;
    z-index: 1;
    will-change: transform, backdrop-filter;
}

    .card:hover {
        box-shadow: 0 14px 30px rgba(0,0,0,0.10);
    }

@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
    .welcome-card,
    .card,
    .navbar {
        background-color: rgba(255,255,255,0.92) !important; 
    }
}

footer {
    background-color: white;
    padding: 1.5rem 0;
    border-top: 1px solid #eee;
    font-size: 0.9rem;
}

html, body {
    height: 100%;
}

main {
    margin-bottom: 2rem;
}