html,
body {
    overflow-x: hidden;
    box-sizing: border-box; /* ensures padding/borders don't exceed width */
}

/* Ensure all containers fit within viewport */
*,
*::before,
*::after {
    box-sizing: inherit;
}

/* Contact hero adjustments */
.hero-contact h1 {
    font-size: clamp(2.5rem, 6vw, 5rem);
    z-index: 2;
}

.hero-contact p {
    font-size: 1.2rem;
    z-index: 2;
}

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

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

/* Contact section layout */
.contact-section {
    padding: 4rem 2rem;
    max-width: 1200px;
    margin: auto;
}

.contact-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.contact-card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 12px;
    border: 2px solid rgba(0, 0, 0, 0.1);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

/* Form styling */
#contactForm {
    display: flex;
    flex-direction: column;
}

#contactForm label {
    margin: 0.5rem 0 0.2rem;
    font-weight: 600;
    text-align: left;
}

#contactForm input,
#contactForm textarea {
    padding: 0.8rem;
    border-radius: 8px;
    border: 1px solid rgba(0, 0, 0, 0.2);
    font-size: 1rem;
    margin-bottom: 1rem;
    transition: border-color 0.2s ease;
}

#contactForm input:focus,
#contactForm textarea:focus {
    outline: none;
    border-color: #00c8ff;
}

#contactForm button {
    padding: 0.8rem 1.2rem;
    border-radius: 8px;
    background: #111;
    border: none;
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
}

#contactForm button:hover {
    background: #242424;
}

/* Social links */
.social-card h2 {
    margin-bottom: 1rem;
    text-align: center;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.social-links img {
    width: 40px;
    height: 40px;
    transition: transform 0.2s ease;
}

.social-links a:hover img {
    transform: scale(1.1);
}

/* Responsive */
@media (max-width: 768px) {
    .projects-grid,
    .open-source-grid,
    .contact-container,
    .carousel-track {
        width: 100%;
        padding-left: 0;
        padding-right: 0;
        margin-left: auto;
        margin-right: auto;
    }

    .carousel-item,
    .contact-card,
    .project-card,
    .open-source-card {
        max-width: 100%;
    }

    /* Hero takes full screen height */
    .hero-contact {
        height: 100vh; /* full viewport height */
        padding: 0 1rem;
    }

    /* Center the contact section and reduce padding */
    .contact-section {
        padding: 2rem 1rem;
    }

    /* Stack contact cards vertically */
    .contact-container {
        grid-template-columns: 1fr; /* single column on mobile */
        gap: 1.5rem;
        justify-items: center; /* center cards horizontally */
    }

    .contact-card {
        width: 100%; /* full width in column layout */
        max-width: 400px;
    }

    /* Form input adjustments */
    #contactForm input,
    #contactForm textarea {
        font-size: 0.95rem;
        padding: 0.7rem;
    }

    #contactForm button {
        padding: 0.7rem 1rem;
    }

    /* Social links smaller and spaced better */
    .social-links img {
        width: 36px;
        height: 36px;
    }
}