html {
    background-color: #dfecf2;
}

body {
    background-color: #e6f1f6;
    font-family: 'Nunito Sans', sans-serif;
    margin: 40px auto;
    padding: 40px 60px;
    max-width: 1200px;
    line-height: 1.3;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.02);
    border-radius: 8px;
}

h1 {
    font-size: 2.5em;
    color: black;
    margin-bottom: 0.2em;
    text-align: center;
}

h2 {
    font-size: 1.5em;
    border-bottom: 2px solid #7badc4;
    padding-bottom: 0.2em;
}

h3 {
    font-size: 1.15em;
    margin-bottom: 0.2em;
}

p {
    margin: 0.2em 0;
}

ul {
    padding-left: 20px;
    margin: 0.3em 0;
}

li {
    margin-bottom: 0.15em;
}

a {
    color: #3a8bb2;
    word-break: break-all;
}

a:hover {
    color: #2a6d8e;
}

section + section {
    margin-top: 3em;
}

.header {
    text-align: center;
}

.hero {
    background-size: cover;
    background-position: center;
    padding: 180px 40px;
    text-align: center;
    margin: -40px -60px 2em -60px;
}

.hero h1 {
    color: white;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
    margin: 0;
}

.project-links {
    display: flex;
    gap: 1em;
    margin-top: 0.5em;
}

.project-btn,
.back-link {
    display: inline-block;
    padding: 10px 24px;
    background-color: #b8e6fc;
    color: rgb(0, 0, 0);
    text-decoration: none;
    border-radius: 6px;
    font-weight: 600;
    text-align: center;
    transition: background-color 0.2s;
}

.project-btn:hover,
.back-link:hover {
    background-color: #96d5f4;
    color: rgb(0, 0, 0);
}

.back-link {
    margin-top: 2em;
}

.skill-group {
    margin-bottom: 0.6em;
}

.skill-tags {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.4em;
    margin-top: 0.3em;
}

.skill-tag {
    background-color: rgba(123, 173, 196, 0.15);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85em;
    transition: all 0.3s ease;
    cursor: default;
}

.skill-tag:hover {
    background-color: rgba(123, 173, 196, 0.3);
    box-shadow: 0 0 8px rgba(123, 173, 196, 0.5), 0 0 20px rgba(123, 173, 196, 0.3), 0 0 40px rgba(123, 173, 196, 0.15);
    transform: translateY(-1px);
}

@media only screen and (max-width: 600px) {
    body {
        padding: 20px 15px;
    }

    h1 {
        font-size: 1.8em;
    }

    h2 {
        font-size: 1.2em;
    }

    h3 {
        font-size: 1em;
    }

    ul {
        padding-left: 15px;
    }

    .hero {
        padding: 60px 15px;
        margin: -20px -15px 1.5em -15px;
    }

    .project-links {
        flex-direction: column;
    }
}

@media only screen and (min-width: 1200px) {
    body {
        padding: 50px 80px;
        max-width: 1400px;
    }

    h1 {
        font-size: 3em;
    }

    h2 {
        font-size: 1.8em;
    }

    h3 {
        font-size: 1.3em;
    }

    .hero {
        padding: 140px 80px;
        margin: -50px -80px 2em -80px;
    }
}