/* 1. Global Reset */
* {
    box-sizing: border-box;
}

/* 2. Body Styling: Background Image & Centering */
body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', sans-serif;
    /* NOTE: Update the background-image path if necessary based on where this CSS file is located */
    background-image: url('../IMG/delcarmen.jpg'); 
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
}

/* 3. Container: Glassmorphism Effect */
.container {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5); /* Stronger overall shadow */
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    width: 90%;
    max-width: 480px;
    transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.container:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7); /* More dramatic lift shadow */
}

/* CSS for the Circular Logo */
.logo {
    width: 140px; /* Slightly larger size for emphasis */
    height: 140px; /* Must match width for perfect circle */
    border-radius: 50%; /* Makes the image circular */
    object-fit: cover; /* Ensures the image covers the circle without distortion */
    margin-bottom: 25px; /* Space between logo and title */
    border: 4px solid rgba(255, 255, 255, 0.8); /* A prominent white border */
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.6); /* Stronger shadow for depth */
}

h1 {
    margin-bottom: 25px;
    font-size: 2.3rem;
    color: #ffffff;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8); /* Stronger text shadow for contrast */
}

/* 4. Base Button Styles */
.btn {
    display: block;
    width: 100%;
    margin: 12px 0;
    padding: 14px;
    font-size: 1rem;
    font-weight: bold;
    border: none;
    border-radius: 40px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.5); /* Enhanced button shadow */
}

/* 5. Button Styles */
.btn-data {
    background: rgba(0, 77, 64, 0.8); /* Slightly transparent dark green */
    color: #ffffff;
}

.btn-data:hover {
    background: #00695c; /* Solid dark green on hover */
}

/* 6. New Transparent Button Style & Animation */
.btn-transparent {
    background: rgba(255, 255, 255, 0.05); /* Even more transparent background */
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.5);
    position: relative;
    overflow: hidden;
    z-index: 1;
    padding: 16px;
    text-shadow: 0 0 5px #00ffff;
}

/* Animation: Subtle 'shine' effect with a CYAN tint on hover */
.btn-transparent::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.4), transparent);
    transform: skewX(-30deg);
    transition: all 0.7s cubic-bezier(0.165, 0.84, 0.44, 1);
    z-index: 0;
}

.btn-transparent:hover::before {
    left: 100%;
}

.btn-transparent span {
    position: relative;
    z-index: 2;
}

.btn-transparent:hover {
    transform: scale(1.03);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.6), 0 0 20px rgba(0, 255, 255, 0.4); 
}