/* --- Variables --- */
:root {
  --color-bg: #f8f8f6;
  --color-surface: #fff;
  --color-text: #1a1a1a;
  --color-text-muted: #555;
  --color-accent: #0d7377;
  --color-accent-hover: #095c5f;
  --color-border: #e5e5e3;
  --font-sans: "DM Sans", system-ui, -apple-system, sans-serif;
  --max-width: 880px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --radius: 8px;
}

/* --- Reset & base --- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

/* --- Header --- */
.header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}
.logo {
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-text);
  text-decoration: none;
}
.logo:hover { color: var(--color-accent); }
.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
}
.nav a:hover { color: var(--color-accent); }
.nav-toggle { display: none; }

/* --- Main content --- */
main { padding-bottom: var(--space-xl); }
.section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-xl) var(--space-md);
}
.section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 var(--space-md);
  color: var(--color-text);
}

/* --- Hero --- */
.hero {
  padding-top: var(--space-lg);
  padding-bottom: var(--space-lg);
}
.hero-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
  text-align: center;
}
.hero-photo {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid var(--color-border);
}
.hero-text h1 {
  font-size: 2rem;
  font-weight: 700;
  margin: 0 0 var(--space-xs);
}
.tagline {
  font-size: 1.125rem;
  color: var(--color-accent);
  font-weight: 600;
  margin: 0 0 var(--space-xs);
}
.location {
  color: var(--color-text-muted);
  margin: 0 0 var(--space-sm);
}
.availability {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

/* --- About --- */
.about-content p {
  margin: 0 0 var(--space-md);
  max-width: 65ch;
}
.about-content p:last-child { margin-bottom: 0; }

/* --- Work with me --- */
.work-intro {
  margin: 0;
  max-width: 65ch;
}

/* --- Experience --- */
.experience-company { margin: 0; }
.experience-company h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0 0 var(--space-xs);
}
.tenure {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin: 0 0 var(--space-md);
}
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid var(--color-border);
  padding-left: var(--space-md);
  margin-left: 0.5rem;
}
.timeline-item {
  position: relative;
  padding-bottom: var(--space-lg);
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--space-md) - 5px);
  top: 0.35rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
}
.timeline-item .role {
  display: block;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}
.timeline-item .dates,
.timeline-item .duration {
  display: block;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}
.timeline-item .description {
  margin: var(--space-sm) 0 0;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  max-width: 65ch;
}

/* --- Recommendations --- */
.recommendations-intro {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin: 0 0 var(--space-md);
}
.recommendations-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}
.recommendation-card {
  margin: 0;
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}
.recommendation-text {
  margin: 0 0 var(--space-sm);
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.6;
}
.recommendation-author {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-accent);
}

/* --- Contact CTA --- */
.section-cta {
  text-align: center;
}
.section-cta h2 { margin-bottom: var(--space-xs); }
.section-cta p {
  margin: 0 0 var(--space-md);
  color: var(--color-text-muted);
}
.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-accent);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  font-size: 1rem;
}
.btn:hover { background: var(--color-accent-hover); }
.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* --- Footer --- */
.footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}
.footer a {
  color: var(--color-accent);
  text-decoration: none;
}
.footer a:hover { text-decoration: underline; }
.copyright { margin: var(--space-xs) 0 0; }

/* --- Focus states --- */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav-list {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-border);
  }
  .nav-list.is-open { display: flex; }
  .nav-toggle {
    display: block;
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    cursor: pointer;
    position: relative;
  }
  .nav-toggle::before,
  .nav-toggle::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 1rem;
    height: 2px;
    background: var(--color-text);
    transform: translate(-50%, -50%);
  }
  .nav-toggle::before { margin-top: -4px; }
  .nav-toggle::after { margin-top: 4px; }
  .nav-toggle[aria-expanded="true"]::before {
    transform: translate(-50%, -50%) rotate(45deg);
    margin-top: 0;
  }
  .nav-toggle[aria-expanded="true"]::after {
    transform: translate(-50%, -50%) rotate(-45deg);
    margin-top: 0;
  }
<｜tool▁call▁end｜><｜tool▁call▁begin｜>

  .recommendations-grid {
    grid-template-columns: 1fr;
  }
  .hero-photo {
    width: 160px;
    height: 160px;
  }
  .hero-text h1 { font-size: 1.5rem; }
}

@media (min-width: 769px) {
  .nav-toggle { display: none !important; }
}