```css
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
    background: #fff;
    color: #181818;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    display: block;
    max-width: 100%;
}

.container {
    width: min(1100px, 90%);
    margin: 0 auto;
}


/* Header */

.header {
    position: sticky;
    top: 0;
    z-index: 10;
    padding: 20px 0;
    background: rgba(255, 255, 255, .92);
    border-bottom: 1px solid #ddd;
    backdrop-filter: blur(10px);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: bold;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    font-size: .9rem;
}

.nav-links a:hover,
.project-link:hover,
.text-link:hover {
    text-decoration: underline;
}


/* Hero */

.hero {
    min-height: 85vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 80px;
    align-items: center;
}

.hero-label,
.section-label {
    font-size: .75rem;
    font-weight: bold;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: clamp(2.8rem, 6vw, 5rem);
    line-height: 1.05;
    margin-bottom: 30px;
}

.hero-description {
    max-width: 600px;
    margin-bottom: 35px;
    font-size: 1.1rem;
    color: #555;
}

.hero-links {
    display: flex;
    align-items: center;
    gap: 25px;
}

.hero-image img {
    width: 100%;
    aspect-ratio: .5;
    object-fit: cover;
    filter: grayscale(100%);
}


/* Buttons */

.button {
    display: inline-block;
    padding: 13px 22px;
    background: #181818;
    color: #fff;
    border: 1px solid #181818;
    transition: .2s ease;
}

.button:hover {
    background: #fff;
    color: #181818;
}


/* Sections */

.section {
    padding: 120px 0;
    border-top: 1px solid #ddd;
}

.section h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    line-height: 1.05;
    margin-bottom: 40px;
}

.section-text {
    max-width: 750px;
    font-size: 1.15rem;
    color: #555;
}


/* Skills */

.skills-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: #ddd;
}

.skill-group {
    min-height: 160px;
    padding: 35px;
    background: #fff;
    transition: .2s ease;
}

.skill-group:hover {
    background: #f5f5f5;
}

.skill-group h3 {
    margin-bottom: 10px;
}


/* Projects */

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: #ddd;
}

.project-card {
    min-height: 300px;
    padding: 35px;
    background: #fff;
    display: flex;
    flex-direction: column;
    transition: .2s ease;
}

.project-card:hover {
    background: #f5f5f5;
}

.project-number {
    margin-bottom: 35px;
    font-size: .75rem;
    letter-spacing: 2px;
    color: #777;
}

.project-card h3 {
    margin-bottom: 12px;
    font-size: 1.5rem;
}

.project-description {
    margin-bottom: 18px;
    color: #555;
}

.project-tech,
.project-focus {
    font-size: .85rem;
    color: #555;
}

.project-tech {
    margin-top: auto;
    padding-top: 20px;
    margin-bottom: 10px;
    border-top: 1px solid #ddd;
}

.project-focus {
    margin-bottom: 20px;
}

.project-tech strong,
.project-focus strong {
    color: #181818;
}

.project-link {
    font-weight: bold;
}


/* Contact */

#contact {
    min-height: 60vh;
    display: flex;
    align-items: center;
}


/* Footer */

.footer {
    padding: 30px 0;
    border-top: 1px solid #ddd;
    color: #666;
    font-size: .85rem;
}


/* Responsive */

@media (max-width: 768px) {

    .nav-links {
        gap: 15px;
    }

    .hero {
        padding: 70px 0;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .hero-image {
        max-width: 300px;
    }

    .skills-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 80px 0;
    }
}
```