:root {
    --bg-light: #f3f4f6;
    --text-dark: #1f2937;
    --text-muted: #4b5563;
    --accent: #0284c7;
    --accent-hover: #0369a1;
    --border: rgba(0, 0, 0, 0.08);
    --font-sans: 'Inter', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-light);
    color: var(--text-dark);
    font-family: var(--font-sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.navigation a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    margin-left: 24px;
    transition: color 0.2s ease;
}

.navigation a:hover {
    color: var(--accent);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 24px 80px;
}

.hero-split {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 80px 0;
    gap: 48px;
}

.hero-text {
    flex: 1;
    max-width: 580px;
}

.hero-eyebrow {
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.2rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.hero-title span {
    color: var(--accent);
}

.hero-subtitle {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 20px;
    letter-spacing: 0.05em;
}

.hero-description {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn-filled {
    background-color: var(--accent);
    color: #ffffff;
    border: 2px solid var(--accent);
}

.btn-filled:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
}

.btn-outline {
    background-color: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
}

.btn-outline:hover {
    background-color: var(--accent);
    color: #ffffff;
}

.hero-image-wrap {
    width: 320px;
    height: 320px;
    flex-shrink: 0;
}

.profile-photo {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 6px solid #ffffff;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.section {
    padding: 60px 0;
    border-top: 1px solid var(--border);
}

.section-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 30px;
}

.about-content p {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
    max-width: 800px;
}

.projects-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.project-card {
    background-color: #ffffff;
    border: 1px solid var(--border);
    padding: 30px;
    border-radius: 6px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.04);
}

.project-badge {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 12px;
}

.project-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.project-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.5;
}

.project-tech {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    opacity: 0.8;
}

.contact-box {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-box p {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 16px;
}

.footer {
    text-align: center;
    padding: 30px 20px;
    border-top: 1px solid var(--border);
    background-color: #ffffff;
}

.footer p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

@media (max-width: 900px) {
    .hero-split {
        flex-direction: column-reverse;
        text-align: center;
        padding: 40px 0;
        gap: 32px;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-image-wrap {
        width: 260px;
        height: 260px;
    }
}