/* banca-web.com.mx - Estilo Corporativo Profesional */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.75;
    color: #0d4f3c;
    background: #e8f5e9;
    background-image: 
        linear-gradient(90deg, transparent 98%, rgba(76,175,80,0.1) 100%),
        linear-gradient(0deg, transparent 98%, rgba(76,175,80,0.1) 100%);
    background-size: 50px 50px;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: linear-gradient(180deg, #2e7d32 0%, #1b5e20 100%);
    color: white;
    padding: 2rem 0;
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    border-bottom: 6px solid #4caf50;
    position: relative;
    transition: all 0.3s;
}

header::before {
    content: '₿';
    position: absolute;
    right: 50px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 4rem;
    opacity: 0.1;
    transition: transform 0.3s;
}

header:hover::before {
    transform: translateY(-50%) rotate(360deg);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 1;
}

.logo {
    font-size: 2.3rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    transition: letter-spacing 0.3s;
}

.logo:hover {
    letter-spacing: 5px;
}

nav a {
    color: white;
    text-decoration: none;
    margin: 0 1.2rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: all 0.3s;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: white;
    transition: all 0.3s;
    transform: translateX(-50%);
}

nav a:hover::after {
    width: 80%;
}

nav a:hover {
    background: rgba(255,255,255,0.2);
}

.content {
    background: white;
    padding: 3.5rem;
    margin: 2.5rem 0;
    border-radius: 0;
    box-shadow: 
        0 0 0 1px #4caf50,
        0 0 0 5px #81c784,
        0 15px 40px rgba(0,0,0,0.2);
    transition: box-shadow 0.3s;
}

.content:hover {
    box-shadow: 
        0 0 0 1px #4caf50,
        0 0 0 5px #81c784,
        0 20px 50px rgba(76,175,80,0.3);
}

h1 {
    color: white;
    font-size: 3.3rem;
    text-align: center;
    padding: 3.5rem 0;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
}

h2 {
    color: #1b5e20;
    font-size: 2.4rem;
    margin: 2.5rem 0 1.5rem;
    border-left: 8px solid #4caf50;
    padding-left: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: padding-left 0.3s;
}

h2:hover {
    padding-left: 2rem;
}

.security-box {
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    border: 4px solid #4caf50;
    padding: 2.5rem;
    margin: 2rem 0;
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(76,175,80,0.2);
    transition: all 0.3s;
}

.security-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(76,175,80,0.3);
}

footer {
    background: linear-gradient(180deg, #1b5e20 0%, #0d4f3c 100%);
    color: white;
    text-align: center;
    padding: 3rem 20px;
    border-top: 6px solid #4caf50;
}

.slide-in {
    animation: slideInRight 0.8s ease;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}