body {
    margin: 0;
    font-family: "Segoe UI", Tahoma, sans-serif;
    background: linear-gradient(to bottom, #dff3e6, #f4fbf6);
    overflow-x: hidden;
}

/* Background Glow */
.background-glow {
    position: fixed;
    top: -200px;
    left: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0,150,255,0.4), transparent 70%);
    z-index: -1;
}

/* Container */
.portal-container {
    width: 1000px;
    margin: 50px auto;
    border-radius: 15px;
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(10px);
    box-shadow: 0 0 40px rgba(0, 80, 160, 0.3);
    overflow: hidden;
}

/* Header */
.portal-header {
    background: linear-gradient(135deg, #2e8b57, #1b5e3c);
    color: white;
    padding: 40px;
    position: relative;
}

.portal-header::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(255,255,255,0.4), transparent 60%);
}

.logo-area h1 {
    margin: 0;
    font-size: 28px;
    letter-spacing: 2px;
}

.logo-area p {
    margin-top: 10px;
    font-size: 14px;
}

/* Navigation */
.top-nav {
    display: flex;
    justify-content: center;
    gap: 20px;
    padding: 15px;
    background: linear-gradient(to bottom, #eaf7ef, #d4f0dd);
}

.top-nav a {
    text-decoration: none;
    padding: 8px 18px;
    border-radius: 20px;
   background: linear-gradient(to bottom, #ffffff, #c8ead6);
    border: 1px solid #2e8b57;
    color: #0b3d2e;
    font-weight: bold;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.top-nav a:hover {
    background: linear-gradient(to bottom, #e6f4ff, #99ccff);
}

/* Body */
.portal-body {
    padding: 40px;
}

/* Glass Modules */
.glass-module {
    background: rgba(255,255,255,0.75);
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: 0 8px 20px rgba(0, 80, 160, 0.15);
    border: 1px solid rgba(200,220,255,0.7);
}

.glass-module h2 {
    margin-top: 0;
    color: #1b5e3c;
}

/* Buttons */
.vista-button {
    padding: 10px 20px;
    border-radius: 25px;
    border: 1px solid #2e8b57;
    background: linear-gradient(to bottom, #ffffff, #a8d5ba);
    font-weight: bold;
    cursor: pointer;
    margin-right: 10px;
    box-shadow: 0 3px 8px rgba(0,0,0,0.2);
}

.vista-button:hover {
    background: linear-gradient(to bottom, #ffffff, #a8d5ba);
}

/* Footer */
.portal-footer {
    text-align: center;
    padding: 15px;
    background: linear-gradient(to bottom, #1b5e3c, #0b3d2e);
    color: white;
    font-size: 12px;
}