:root {
  --bg: #0d1117;
  --bg-soft: #161b22;
  --bg-card: #1f2937;
  --border: #30363d;
  --text: #f0f6fc;
  --muted: #8b949e;
  --accent: #58a6ff;
  --accent-hover: #79c0ff;
  --green: #3fb950;
  --radius: 16px;
  --max-width: 1120px;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

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

.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(13, 17, 23, 0.9);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.navbar {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-weight: 700;
  font-size: 1.05rem;
}

.nav-links {
  display: flex;
  gap: 22px;
  list-style: none;
  font-size: 0.95rem;
  color: var(--muted);
}

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

.hero {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 96px 24px 72px;
}

.hero-content {
  max-width: 820px;
}

.eyebrow,
.section-label {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
}

.hero-description {
  color: var(--muted);
  font-size: 1.15rem;
  max-width: 720px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.btn {
  padding: 12px 18px;
  border-radius: 10px;
  font-weight: 600;
  border: 1px solid var(--border);
}

.btn-primary {
  background: var(--accent);
  color: #07111f;
  border-color: var(--accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
}

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

.social-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.95rem;
}

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

.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 56px 24px;
}

.section-header {
  margin-bottom: 28px;
}

.section h2 {
  font-size: 2rem;
  letter-spacing: -0.03em;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.project-card {
  background: linear-gradient(180deg, var(--bg-soft), var(--bg-card));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  min-height: 260px;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.status {
  color: var(--green);
  font-size: 0.8rem;
  margin-bottom: 16px;
}

.project-card h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.project-card p {
  color: var(--muted);
  font-size: 0.95rem;
  flex: 1;
}

.project-card a {
  color: var(--accent);
  margin-top: 20px;
  font-weight: 600;
}

.split-section {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 40px;
  align-items: start;
}

.muted {
  color: var(--muted);
}

.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tech-list span {
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 0.95rem;
}

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.timeline-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  background: var(--bg-soft);
}

.timeline-item span {
  color: var(--accent);
  font-weight: 700;
}

.timeline-item p {
  margin-top: 10px;
  color: var(--muted);
}

.site-footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 36px 24px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .split-section {
    grid-template-columns: 1fr;
  }

  .timeline-grid {
    grid-template-columns: 1fr;
  }
}
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    width: 340px;
    height: 340px;

    object-fit: cover;

    border-radius: 50%;

    border: 4px solid #30363d;

    background: #161b22;

    box-shadow:
        0 0 0 1px rgba(255,255,255,0.03),
        0 10px 30px rgba(0,0,0,0.45);

    transition:
        transform .25s ease,
        box-shadow .25s ease;
}

.hero-image img:hover {
    transform: scale(1.03);

    box-shadow:
        0 0 0 1px rgba(88,166,255,.25),
        0 15px 40px rgba(0,0,0,.55);
}
@media (max-width: 600px) {
  .hero {
    padding-top: 72px;
  }

  .project-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    text-align: center;
  }
}