* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    font-family: 'Nerko One', cursive;
    background: #121212;
    color: #fff;
    min-height: 100%;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

header {
    width: 100%;
    padding: 10px 30px;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(18,18,18,0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #222;
}

header .logo {
    font-family: 'Permanent Marker', cursive;
    font-size: 1.8em;
    text-decoration: none;
    color: #00f0ff;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 25px;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s;
}

.nav-links a:hover {
    color: #a259ff;
}

section#home {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    text-align: center;
    padding: 0 20px;
}

.hero .heading {
    font-family: 'Permanent Marker', cursive;
    font-size: 5em;
    line-height: 1.2;
    color: #00f0ff;
    text-shadow: 0 0 20px #00f0ff;
}

.hero .subheading {
    font-size: 1.5em;
    margin: 20px 0;
    color: #cccccc;
}

.btn {
    padding: 12px 30px;
    background: linear-gradient(90deg, #00f0ff, #a259ff);
    color: #121212;
    text-decoration: none;
    font-weight: bold;
    border-radius: 50px;
    transition: 0.3s;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.5);
}


section#timeconverter {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 100px 20px;
    box-sizing: border-box;
}

.converter-container {
    background: #1e1e1e;
    padding: 40px 30px;
    border-radius: 20px;
    max-width: 450px;
    width: 100%;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    border: 1px solid #333;
}

.converter-container h2 {
    font-family: 'Permanent Marker', cursive;
    margin-bottom: 30px;
    font-size: 2.5em;
    color: #00f0ff;
    text-shadow: 0 0 15px #00f0ff;
}

.input-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 20px;
    text-align: left;
}

.input-group label {
    margin-bottom: 5px;
    font-size: 1.1em;
    color: #cccccc;
}

.input-group input,
.input-group select {
    padding: 12px;
    border-radius: 10px;
    border: 1px solid #333;
    outline: none;
    font-size: 1em;
    background: #121212;
    color: #fff;
}

.input-group input:focus,
.input-group select:focus {
    border-color: #00f0ff;
    box-shadow: 0 0 10px #00f0ff;
}

#convertBtn {
    padding: 12px 25px;
    background: linear-gradient(90deg, #00f0ff, #a259ff);
    border: none;
    border-radius: 50px;
    font-size: 1.1em;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
    color: #121212;
}

#convertBtn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 15px #00f0ff, 0 0 25px #a259ff;
}

#result {
    margin-top: 20px;
    font-size: 1.3em;
    color: #00f0ff;
}

footer {
    text-align: center;
    padding: 20px;
    background: #1e1e1e;
    border-top: 1px solid #333;
    color: #aaaaaa;
}


@media screen and (max-width: 600px) {
    .hero .heading {
        font-size: 3.5em;
    }

    .converter-container {
        padding: 30px 20px;
    }
}