:root {
    --portfolio-card-max-width: 320px;
    --portfolio-card-image-height: 200px;
    --portfolio-card-radius: 12px;
}

html,
body {
    overflow-x: hidden;
}

/* Portfolio hero adjustments */
.hero-portfolio h1 {
    font-size: clamp(1.8rem, 8vw, 3.5rem); /* smaller min and max for mobile */
    word-break: break-word; /* breaks long words */
    overflow-wrap: break-word;
    text-align: center;
    padding: 0 1rem; /* add padding to avoid touching edges */
}

.hero-portfolio p {
    font-size: clamp(1rem, 4vw, 1.2rem);
    text-align: center;
    padding: 0 1rem;
    overflow-wrap: break-word;
}

.hero-portfolio .scroll-hint {
    z-index: 2;
}

.hero-portfolio .hero-content {
    z-index: 2;
}

/* Projects grid */
.projects-grid,
.open-source-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: auto;
    justify-items: center; /* center cards in sparse rows */
    align-items: start;
}

.projects-grid a.project-card,
.open-source-grid a.open-source-card,
.open-source-card,
.project-card {
    display: block;
    width: 100%;
    max-width: var(--portfolio-card-max-width);
    text-decoration: none;
    color: inherit;
    border-radius: var(--portfolio-card-radius);
    overflow: hidden;
    border: 2px solid rgba(0, 0, 0, 0.08);
    background: rgba(255, 255, 255, 0.95);
    transition: transform 0.28s ease, box-shadow 0.28s ease;
    box-sizing: border-box;
}

.projects-grid a.project-card:hover,
.open-source-grid a.open-source-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 14px 22px rgba(0, 0, 0, 0.09);
    cursor: pointer;
}

.projects-grid .project-card img,
.open-source-grid .open-source-card img,
.project-card img,
.open-source-card img {
    width: 100%;
    height: var(--portfolio-card-image-height);
    display: block;
    object-fit: cover;
    border-radius: var(--portfolio-card-radius) var(--portfolio-card-radius) 0 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.project-info,
.open-source-card .card-info {
    padding: 1rem;
    text-align: center;
}

.project-info h3,
.open-source-card .card-info h3 {
    font-size: clamp(1rem, 4vw, 1.15rem);
    word-break: break-word;
}

.project-info p,
.open-source-card .card-info p {
    font-size: clamp(0.85rem, 3vw, 0.95rem);
    word-break: break-word;
}

/* Open Source Section */
.open-source {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: auto;
    text-align: center;
}

.open-source h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    font-weight: 800;
}

.open-source-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    justify-items: center;
}

.open-source-card {
    display: flex;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 12px;
    border: 2px solid rgba(0, 0, 0, 0.1);
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    width: 100%;
    max-width: 280px;
}

.open-source-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.1);
    cursor: pointer;
}

.open-source-card img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    border-radius: 12px 12px 0 0;
}

.open-source-card .card-info {
    padding: 1rem;
}

.open-source-card .card-info h3 {
    margin: 0.5rem 0;
    font-size: 1.1rem;
}

.open-source-card .card-info p {
    font-size: 0.9rem;
    color: rgba(17, 17, 17, 0.7);
}

.portfolio-section {
    padding: 0.2rem 1rem;
    max-width: 1200px;
    margin: auto;
}

.portfolio-section h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    font-weight: 800;
    text-align: center;
}

/* Make sure very small viewports stack nicely */
@media (max-width: 1024px) {
    :root {
        /* optional adjustments for tablet */
        --portfolio-card-max-width: 300px;
        --portfolio-card-image-height: 180px;
    }
}

@media (max-width: 768px) {
    .projects-grid,
    .open-source-grid {
        grid-template-columns: 1fr; /* single column */
        padding: 2rem 1rem;
        justify-items: center; /* center cards horizontally */
    }

    .projects-grid a.project-card,
    .open-source-card {
        width: 100%; /* fill available width */
        max-width: 320px; /* optional cap */
    }

    .projects-grid .project-card img,
    .open-source-card img {
        width: 100%;
        height: auto; /* scale proportionally */
    }

    .portfolio-section {
        padding: 1rem;
    }

    .portfolio-section h2 {
        font-size: 1.8rem;
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 480px) {
    .projects-grid,
    .open-source-grid {
        padding: 1rem;
        gap: 1rem;
    }

    .projects-grid a.project-card,
    .open-source-card {
        width: 100%;
        max-width: 100%;
    }

    .portfolio-section h2 {
        font-size: clamp(1.5rem, 6vw, 2rem);
    }
}