/* HERO SECTION */
.hero {
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('https://source.unsplash.com/1600x600/?data,technology') center/cover no-repeat;
    color: #fff;
    text-align: center;
    padding: 6rem 2rem;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    background-color: #00bfa5;
    color: #fff;
    padding: 0.8rem 2rem;
    border-radius: 5px;
    font-weight: 600;
    transition: background 0.3s;
}

.cta-button:hover {
    background-color: #009e8f;
}

/* SECTIONS */
.section {
    max-width: 1200px;
    margin: 4rem auto;
    padding: 0 2rem;
    text-align: center;
}

.section h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #1e1e2f;
}

/* PROJECT GRID */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.project-card {
    background-color: #fff;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 6px 18px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.project-card h3 {
    margin-bottom: 1rem;
    color: #00bfa5;
}

.project-card p {
    margin-bottom: 1.5rem;
}

.project-link {
    font-weight: 600;
    color: #1e1e2f;
    transition: color 0.3s;
}

.project-link:hover {
    color: #00bfa5;
}

/* SKILLS GRID */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.skills-grid h3 {
    margin-bottom: 0.8rem;
    color: #00bfa5;
}

.skills-grid ul li {
    margin-bottom: 0.4rem;
}

/* CONTACT SECTION */
.contact-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1rem;
}

.contact-links a {
    background-color: #1e1e2f;
    color: #fff;
    padding: 0.6rem 1.2rem;
    border-radius: 5px;
    font-weight: 500;
    transition: background 0.3s;
}

.contact-links a:hover {
    background-color: #00bfa5;
    color: #fff;
}

/* FOOTER */
footer {
    background-color: #1e1e2f;
    color: #fff;
    text-align: center;
    padding: 1.5rem 2rem;
    margin-top: 4rem;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .nav-links {
        flex-direction: column;
        gap: 0.8rem;
    }

    .hero h2 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }
}