:root {
  --font-body: 'Gill Sans MT', 'Gill Sans', 'Trebuchet MS', sans-serif;
  --font-heading: 'Gill Sans MT', 'Gill Sans', 'Trebuchet MS', sans-serif;
  --color-background: #f7f9fc;
  --color-surface: #ffffff;
  --color-text: #112240;
  --color-muted: #5c6c80;
  --color-accent: #1f6feb;
  --color-accent-hover: #1957b8;
  --color-border: #d8e1ec;
  --shadow-soft: 0 12px 28px rgba(17, 34, 64, 0.08);
  --max-width: 960px;
}

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-background);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  background: var(--color-accent);
  color: #fff;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  transition: transform 0.2s ease;
  transform: translateY(-12px);
  z-index: 1000;
}

.skip-link:focus {
  left: 50%;
  transform: translate(-50%, 0);
}

.site-header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(216, 225, 236, 0.6);
  z-index: 10;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-weight: 500;
}

.nav-links a {
  color: var(--color-text);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

main {
  display: block;
}

.section {
  padding: 5rem 1.5rem;
}

.section-hero {
  background: linear-gradient(135deg, rgba(31, 111, 235, 0.08), rgba(31, 111, 235, 0));
  padding-top: 6rem;
}

.section-alt {
  background: var(--color-surface);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.section-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  margin: 0 0 1rem;
  line-height: 1.1;
}

.lead {
  font-size: 1.1rem;
  max-width: 50ch;
  color: var(--color-muted);
  margin-bottom: 2rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  background: var(--color-accent);
  color: #fff;
  font-weight: 600;
  border: 1px solid transparent;
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.button:hover,
.button:focus {
  background: var(--color-accent-hover);
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
}

.button-secondary {
  background: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.button-secondary:hover,
.button-secondary:focus {
  background: rgba(31, 111, 235, 0.1);
  color: var(--color-accent-hover);
  box-shadow: none;
}

.section h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin: 0 0 2rem;
}

.meta {
  color: var(--color-muted);
  margin-bottom: 1rem;
}

.experience-item,
.education-item {
  background: var(--color-surface);
  border: 1px solid rgba(216, 225, 236, 0.8);
  border-radius: 16px;
  padding: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-soft);
}

.experience-item h3,
.education-item h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-family: var(--font-heading);
  font-size: 1.35rem;
}

.role-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.role-title {
  display: block;
  font-weight: 600;
  color: var(--color-text);
}

.role-meta {
  display: block;
  margin-top: 0.25rem;
  color: var(--color-muted);
}

.company-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.4rem;
  margin-top: 1rem;
  border-radius: 999px;
  background: var(--color-accent);
  color: #fff;
  font-weight: 600;
  border: 1px solid transparent;
  box-shadow: var(--shadow-soft);
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.company-button:hover,
.company-button:focus {
  background: var(--color-accent-hover);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(17, 34, 64, 0.12);
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.link-card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.5rem;
  border-radius: 14px;
  background: var(--color-surface);
  border: 1px solid rgba(216, 225, 236, 0.9);
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.link-card:hover,
.link-card:focus {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(17, 34, 64, 0.12);
  text-decoration: none;
}

.link-label {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  color: var(--color-muted);
}

.link-value {
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-text);
}

.site-footer {
  border-top: 1px solid rgba(216, 225, 236, 0.6);
  background: rgba(255, 255, 255, 0.7);
  padding: 1.5rem;
  text-align: center;
  color: var(--color-muted);
}

@media (max-width: 768px) {
  .site-header .container {
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-start;
  }

  .nav-links {
    flex-wrap: wrap;
    gap: 1rem;
  }

  .section {
    padding: 4rem 1.25rem;
  }

  .experience-item,
  .education-item {
    padding: 1.75rem;
  }
}

@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
    align-items: flex-start;
  }

  .button,
  .button-secondary {
    width: 100%;
  }
}