:root{
    --accent-color: #1b95cd;
    --gradient-1: #404040;
    --gradient-2: #2a2a2a;
    --font-main: "fRegu";
}
*{ 
    margin: 0px;
    padding: 0px;
    box-sizing: border-box;
}
html {
    max-width: 100%;
    overflow-x: hidden;
    font-size: 16px;
}
h1,h2,h3{
    font-family: var(--font-main), sans-serif;
}
h1 {
    font-weight: 600;
    font-size: 2rem;
    text-decoration: none;
    color: #195791;
}
h2 {
    font-weight: 400;
    font-size: 1.5rem;
    text-decoration: none;
}
h3 {
    font-weight: 400;
    font-size: 1.2rem;
    vertical-align: sub;
}
header {
    background: linear-gradient(180deg,var(--gradient-1) 20%,var(--gradient-2) 90%);
    border-bottom: 5px solid var(--accent-color);
    width: 100vw;
    overflow: hidden;
    height: 80px;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
}
#L {
    max-height: 80px;
    display: flex;
    align-items: center;
    gap: 2px;
}
#L h1 {
    color: #fff;
    font-family: var(--font-main), sans-serif;
}
#L span{
    content: "";
    width: 8px;
    height: 30px;
    background: #fff;
    display: inline-block;
    animation: blink 1.6s steps(2) infinite;
}
nav {
    width: 60%;
    max-width: 600px;
    display: flex; 
    justify-content: space-evenly;
    align-items: center;
}
.underline {
    text-decoration: none; 
    font-family: var(--font-main), sans-serif;
    font-weight: 400;
    color: #fff;
    font-size: 1.9em;
    text-align: center;
    position: relative; 
}
.underline .active {
    cursor: not-allowed;
}
.underline::after{
    content: "";
    display: block;
    position: relative;
    width: 100%;
    height: 1px;
    border: 2px solid #fff;
    border-radius: 2px;
    background: #fff;
    right: 0;
    bottom: 0;
    transform: scaleX(0);
    transform-origin: bottom left;
    transition: transform 0.4s ease-in-out;
}
.underline:hover {
    font-weight: 600;
}
.underline:hover::after{
    transform: scaleX(1);
}
footer {
    background: linear-gradient(180deg, var(--gradient-2) 20%, var(--gradient-1) 90%);
    border-top: 5px solid var(--accent-color);
    width: 100%;
    height: 100px;
    overflow: hidden;
    bottom: 0;
}

@media (max-width:650px) {
    #L h1 {
        font-size: 1.3rem;
    }
    .underline {
    font-size: 1.25em;
    }
    .underline::after {
    border: 1px solid #fff;
    }
    .underline:hover {
    font-weight: 700;
    }
    header {
    z-index: 99;
    height: 60px;
    top: 0;
    overflow: visible;
    position: sticky;
    border-bottom: none;
    }
  
    nav a {
    padding: 5px;
    }
    #L span {
        width: 6px;
        height: 20px;
        
    }
}
@keyframes blink {
    0% {
      opacity: 0;
    }
}

#top {font-size: 2.5em ; font-weight: 700}