body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #08120a;
    color: #e5f5df;
}
.portfolio-container {
    max-width: 1000px;
    margin: 40px auto;
    padding: 30px;
    background: #0f1c14;
    border: 1px solid #27482b;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
}
.hero {
    text-align: center;
    padding: 24px 16px;
}
.hero h1 {
    margin: 0;
    font-size: 3rem;
    color: #8edc8e;
}
.hero-subtitle {
    margin: 12px 0 0;
    font-size: 1.4rem;
    color: #9cf29c;
    font-weight: 600;
}
.hero p {
    font-size: 1.1rem;
    color: #cfe9c8;
    margin-top: 10px;
}
.section {
    margin-top: 32px;
    padding: 18px 24px;
    background: #112317;
    border-radius: 12px;
    border: 1px solid #2b4b2f;
}
.section h2 {
    margin-top: 0;
    color: #d3f7d3;
    border-bottom: none;
    padding-bottom: 0;
}
.section ul {
    padding-left: 20px;
}
.section li {
    margin-bottom: 10px;
}
.highlight {
    color: #a8f59b;
    font-weight: 700;
}
.contact {
    text-align: center;
    margin-top: 24px;
}
.contact a {
    display: inline-block;
    margin: 8px 12px;
    padding: 12px 22px;
    background: #1a6f1a;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    transition: background 0.25s ease;
}
.contact a:hover {
    background: #165c16;
}
@media (max-width: 700px) {
    .portfolio-container {
        margin: 20px;
        padding: 20px;
    }
    .hero h1 {
        font-size: 2.2rem;
    }
}

.section-header-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 18px;
    background: #2a6f2a;
    color: #f5fff7;
    border: none;
    border-radius: 12px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.25s ease, transform 0.2s ease;
}

.section-header-button:hover,
.section-header-button:focus {
    background: #3b873b;
    transform: translateY(-1px);
    outline: none;
}

.section-content {
    transition: all 0.25s ease;
}

.section-content.hidden {
    display: none;
}

.projects-content {
    display: grid;
    gap: 16px;
}

.project-detail {
    padding: 16px;
    background: #141f18;
    border-left: 4px solid #4dbb70;
    border-radius: 8px;
    border: 1px solid #27482f;
}

.project-detail h3 {
    color: #9fec9f;
    margin-top: 0;
    margin-bottom: 10px;
}

.project-detail ul {
    padding-left: 20px;
    margin: 10px 0;
}

.project-detail li {
    margin-bottom: 6px;
    color: #d8fad8;
}

.project-detail p {
    color: #d8fad8;
    line-height: 1.5;
    margin: 8px 0;
}

.project-meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin: 10px 0;
}

.tag {
    display: inline-block;
    padding: 4px 10px;
    background: #357e35;
    color: white;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 600;
}