body {
    font-family: 'Sacramento', cursive;
    background-color: #f5edd6;   /* Papyrus */
    color: #3c2f2f;
    margin: 0;
    padding: 0;
    line-height: 1.7;
}

.header-box {
    background-color: #6b2c2c;   /* Brown-reddish header */
    color: #f5e8c7;
    padding: 35px 40px;
    text-align: center;
    max-width: 1100px;
    margin: 20px auto 30px auto;
    border-radius: 12px;
    position: relative;
   
    /* Even shadow on all sides */
    box-shadow: 0 0 25px rgba(0, 0, 0, 0.45),
                0 0 10px rgba(0, 0, 0, 0.25);
}

.header-box h1 {
    margin: 0 0 8px 0;
    font-size: 3.5em;
    font-family: 'Sacramento', cursive;
    font-weight: 400;
    letter-spacing: 2px;
}

.header-box h2 {
    margin: 0;
    font-size: 2.0em;
    font-family: 'Sacramento', cursive;
    font-weight: 400;
}

.back-link {
    position: absolute;
    top: 25px;
    right: 40px;
    font-size: 16pt;
    color: #f5e8c7;
    text-decoration: none;
}

.back-link:hover {
    color: #ffdab9;
    text-decoration: underline;
}

/* Dark green-brown footer / main content area */
.content-box {
    background-color: #2c3f2f;     /* Dark green-brown */
    color: #f5e8c7;
    border: 2px solid #3c2f2f;
    max-width: 1100px;
    margin: 0 auto 40px auto;
    padding: 45px;                 /* Slightly more padding too */
    border-radius: 8px;
    min-height: 70vh;
}

/* Larger font sizes for the entire content area */
.portfolio-list {
    text-align: left;
    max-width: 700px;
    font-size: 20pt;               /* Increased from 18pt */
}

.portfolio-list ul {
    padding-left: 30px;
}

.portfolio-list li {
    margin: 22px 0;                /* Slightly more spacing */
}

.portfolio-list a {
    color: #e0d4b8;
    text-decoration: none;
}

.portfolio-list a:hover {
    color: #ffdab9;
    text-decoration: underline;
}

.section-title {
    font-size: 24pt;               /* Increased from 22pt */
    margin: 40px 0 18px 0;         /* More breathing room */
    color: #f5e8c7;
}

.lab-description {
    font-size: 18pt;               /* Increased from 16pt */
    line-height: 1.75;
    margin: 25px 0 40px 30px;
    max-width: 650px;
    color: #e0d4b8;
}