* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Roboto', sans-serif;
}

body {
    background-color: #0f111a;
    color: #e0e0e0;
    line-height: 1.6;
}

header {
    text-align: center;
    padding: 80px 20px;
    background: linear-gradient(135deg, #0d0f23, #1a1c3c);
    border-bottom: 2px solid #1f1f40;
}

header h1 {
    font-size: 3rem;
    font-weight: 700;
    color: #00fff7;
    margin-bottom: 10px;
    text-shadow: 0 0 10px #00fff7;
}

header p {
    font-size: 1.2rem;
    color: #a0a0a0;
}

nav {
    display: flex;
    justify-content: center;
    gap: 20px;
    background-color: #1a1c3c;
    padding: 15px 0;
    border-bottom: 1px solid #2c2f50;
    position: sticky;
    top: 0;
    z-index: 10;
}

nav a {
    text-decoration: none;
    color: #e0e0e0;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

nav a:hover {
    background-color: #00fff7;
    color: #0f111a;
    transform: translateY(-2px);
}

.hero {
    text-align: center;
    padding: 100px 20px;
    background: #0f111a;
}

.hero h1 {
    font-size: 2.8rem;
    color: #00fff7;
    text-shadow: 0 0 8px #00fff7;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
    color: #a0a0a0;
}

section#programmierung {
    padding: 80px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

section#programmierung h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 50px;
    color: #00fff7;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}

.card {
    background-color: #1a1c3c;
    padding: 30px 20px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 255, 247, 0.2);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #2c2f50;
}

.card h3 {
    margin-bottom: 15px;
    color: #00fff7;
    font-size: 1.5rem;
}

.card p {
    font-size: 1rem;
    color: #c0c0c0;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(0, 255, 247, 0.4);
}

.card ul li {
    list-style: none;
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    color: #c0c0c0;
}

.card ul li::before {
    content: "💡";
    position: absolute;
    left: 0;
    color: #00fff7;
}

section#about {
    padding: 80px 20px;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    background-color: #0f111a;
}

section#about h2 {
    font-size: 2rem;
    margin-bottom: 25px;
    color: #00fff7;
}

section#about p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: #c0c0c0;
}

.highlight {
    font-weight: 700;
    color: #00fff7;
}

footer {
    text-align: center;
    padding: 50px 20px;
    background-color: #1a1c3c;
    color: #808080;
    border-top: 1px solid #2c2f50;
}

footer p {
    font-size: 0.95rem;
    opacity: 0.8;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2.2rem;
    }
    .hero h1 {
        font-size: 2rem;
    }
    nav {
        flex-wrap: wrap;
    }
}

@keyframes fadeIn {
    from {opacity: 0; transform: translateY(10px);}
    to {opacity: 1; transform: translateY(0);}
}

.btn-primary {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 8px;
    background: #00fff7;
    color: #0f111a;
    font-weight: 600;
    text-decoration: none;
    margin-top: 20px;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    box-shadow: 0 0 20px #00fff7, 0 0 40px #764ba2;
    transform: translateY(-3px);
}

.contact2 {
    display: inline-block;
    padding: 16px 36px;
    border-radius: 12px;
    background: linear-gradient(135deg, #1f2a3a, #2c3e50);
    color: #ffffff;
    font-weight: 600;
    text-decoration: none;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 8px rgba(0, 255, 247, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

.contact2:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 14px rgba(0, 255, 247, 0.2);
    background: linear-gradient(135deg, #2c3e50, #1f2a3a);
}

.coding-languages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
    padding: 60px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.coding-languages a.coding {
    display: block;
    background-color: #1a1c3c;
    border-radius: 15px;
    padding: 30px 20px;
    color: #e0e0e0;
    text-align: center;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #2c2f50;
}

.coding-languages a.coding:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 20px rgba(0, 255, 247, 0.15);
}

.coding-languages .icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.coding-languages a.python:hover {
    border-color: #306998;
}
.coding-languages a.java:hover {
    border-color: #f89820;
}
.coding-languages a.javascript:hover {
    border-color: #f0db4f;
}
.coding-languages a.html:hover {
    border-color: #e44d26;
}
.coding-languages a.css:hover {
    border-color: #264de4;
}

coding-languages {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.level-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.level-buttons a {
    display: inline-block;
    padding: 16px 28px;
    border-radius: 12px;
    background: linear-gradient(135deg, #1f2a3a, #2c3e50);
    color: #ffffff;
    font-weight: 600;
    text-decoration: none;
    font-size: 1rem;
    box-shadow: 0 4px 8px rgba(0, 255, 247, 0.1);
    transition: all 0.3s ease;
}

.level-buttons a:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 14px rgba(0, 255, 247, 0.2);
    background: linear-gradient(135deg, #2c3e50, #1f2a3a);
}


ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: 20px;
}

ul li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
}

ul li::before {
    content: "💡";
    position: absolute;
    left: 0;
    color: #00fff7;
}

code {
    background-color: #1a1c3c;
    color: #c0c0c0;
    padding: 4px 6px;
    border-radius: 4px;
    font-family: 'Fira Code', monospace;
    font-size: 0.95rem;
}

pre {
    background-color: #1a1c3c;
    color: #c0c0c0;
    padding: 15px;
    border-radius: 10px;
    overflow-x: auto;
    box-shadow: 0 4px 10px rgba(0,255,247,0.05);
    margin-bottom: 25px;
}

.button {
    background-color: #2c3e50;
    color: #ffffff;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.button:hover {
    background-color: #00c8d8;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,200,216,0.3);
}

:root {
    --primary-color: #00fff7; 
    --secondary-color: #764ba2;
    --accent-color: #00fff7;
}

header h1,
.coding-languages a.coding:hover,
.contact2,
.level-buttons a {
    color: var(--primary-color);
    box-shadow: 0 4px 10px var(--accent-color, rgba(0,255,247,0.3));
    border-color: var(--secondary-color);
}

.coding-languages a.coding,
.contact2,
.level-buttons a {
    background: linear-gradient(135deg, var(--primary-color, #1f2a3a), var(--secondary-color, #2c3e50));
}

.featured-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    display: block;
}

.content {
    max-width: 1000px;
    margin: 60px auto;
    padding: 30px;
    background: #1a1c3c;
    border: 1px solid #2c2f50;
    border-radius: 15px;
    box-shadow: 0 6px 20px rgba(0, 255, 247, 0.08);
    animation: fadeIn 0.6s ease-in-out;
}

.content h2 {
    color: #00fff7;
    font-size: 1.8rem;
    margin-top: 40px;
    margin-bottom: 15px;
    border-left: 4px solid #00fff7;
    padding-left: 12px;
}

.content p {
    color: #c0c0c0;
    font-size: 1.05rem;
    margin-bottom: 15px;
    line-height: 1.7;
}

.dropdown {
    position: relative;
}

.submenu,
.submenu ul {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #1a1c3c;
    border: 1px solid #2c2f50;
    border-radius: 10px;
    min-width: 220px;
    display: none;
    flex-direction: column;
    padding: 10px 0;
    box-shadow: 0 8px 20px rgba(0,255,247,0.15);
    animation: fadeIn 0.2s ease-in-out;
    z-index: 1000;
}

.submenu ul {
    top: 0;
    left: 100%;
}

.submenu li {
    list-style: none;
    position: relative;
}

.submenu li a,
.submenu li {
    padding: 10px 18px;
    color: #e0e0e0;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.25s ease;
}

.submenu li:hover {
    background-color: #00fff7;
    color: #0f111a;
}

.dropdown:hover > .submenu {
    display: flex;
}

.submenu li:hover > ul {
    display: flex;
}

nav ul li::before {
    content: none;
}

.submenu li::after {
    content: "▶";
    position: absolute;
    right: 10px;
    font-size: 0.7rem;
    color: #00fff7;
}

.submenu li:not(:has(ul))::after {
    content: "";
}