:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --text: #17202a;
  --muted: #526173;
  --primary: #1f4e79;
  --primary-dark: #163a5c;
  --border: #d8dee6;
  --accent-bg: #eef3f8;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

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

p,
h1,
h2,
h3 {
  margin-top: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(247, 248, 250, 0.96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(14px);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1120px, calc(100% - 40px));
  min-height: 68px;
  margin: 0 auto;
  gap: 24px;
}

.brand {
  color: var(--text);
  font-weight: 760;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 18px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 620;
}

.nav-links a {
  padding: 8px 0;
}

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

.section {
  padding: 84px 0;
}

.section-muted {
  background: var(--accent-bg);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  padding-top: 76px;
  background: var(--bg);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(340px, 0.65fr);
  align-items: center;
  gap: 42px;
}

.eyebrow,
.section-kicker,
.card-label {
  color: var(--primary-dark);
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow {
  margin-bottom: 18px;
}

h1 {
  max-width: 860px;
  margin-bottom: 14px;
  color: var(--text);
  font-size: 4.6rem;
  line-height: 1;
  letter-spacing: 0;
}

.headline {
  max-width: 860px;
  margin-bottom: 20px;
  color: var(--primary-dark);
  font-size: 1.38rem;
  font-weight: 720;
  line-height: 1.35;
}

.hero-text {
  max-width: 760px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: 1.08rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 720;
  line-height: 1.2;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

.button-primary {
  background: var(--primary);
  color: #ffffff;
}

.button-primary:hover,
.button-primary:focus {
  background: var(--primary-dark);
}

.button-secondary {
  background: var(--text);
  color: #ffffff;
}

.button-secondary:hover,
.button-secondary:focus {
  background: #0f1720;
}

.button-ghost {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}

.button-ghost:hover,
.button-ghost:focus {
  border-color: var(--primary);
  color: var(--primary-dark);
}

.hero-card {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 320px;
  padding: 26px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(23, 32, 42, 0.05);
}

.focus-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 18px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 610;
  line-height: 1.45;
}

.focus-list li {
  position: relative;
  padding-left: 18px;
}

.focus-list li::before {
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  content: "";
}

.two-column {
  display: grid;
  grid-template-columns: minmax(220px, 0.55fr) minmax(0, 1fr);
  gap: 54px;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 32px;
}

.section-kicker {
  margin-bottom: 10px;
}

h2 {
  margin-bottom: 16px;
  color: var(--text);
  font-size: 2.35rem;
  line-height: 1.18;
  letter-spacing: 0;
}

.section-body p,
.resume-panel p,
.contact-wrap p {
  color: var(--muted);
}

.section-body p:last-child,
.resume-panel p:last-child,
.contact-wrap p:last-child {
  margin-bottom: 0;
}

.experience-list {
  display: grid;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.experience-item {
  display: grid;
  grid-template-columns: minmax(230px, 0.42fr) minmax(0, 1fr);
  gap: 28px;
  padding: 24px;
  border-bottom: 1px solid var(--border);
}

.experience-item:last-child {
  border-bottom: 0;
}

.experience-meta h3 {
  margin-bottom: 6px;
  color: var(--text);
  font-size: 1.08rem;
  line-height: 1.35;
}

.experience-meta p {
  margin-bottom: 6px;
  color: var(--primary-dark);
  font-weight: 700;
  line-height: 1.4;
}

.experience-meta span {
  display: block;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 620;
}

.experience-details {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.project-card,
.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 10px 24px rgba(23, 32, 42, 0.04);
}

.project-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px;
}

.project-topline {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.project-topline h3 {
  margin-bottom: 0;
  color: var(--text);
  font-size: 1.18rem;
  line-height: 1.35;
}

.project-topline a {
  flex: 0 0 auto;
  padding: 6px 10px;
  background: var(--accent-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--primary-dark);
  font-size: 0.86rem;
  font-weight: 760;
}

.project-topline a:hover,
.project-topline a:focus {
  border-color: var(--primary);
}

.project-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.tag-row span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 10px;
  background: var(--accent-bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--primary-dark);
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.2;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.skill-card {
  padding: 24px;
}

.skill-card h3 {
  margin-bottom: 10px;
  color: var(--text);
  font-size: 1.08rem;
}

.skill-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.resume-panel {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1fr);
  align-items: center;
  gap: 36px;
}

.resume-buttons {
  justify-content: flex-end;
}

.contact-section {
  padding-bottom: 96px;
}

.contact-wrap {
  max-width: 800px;
  text-align: center;
}

.contact-link {
  display: inline-flex;
  margin-top: 8px;
  color: var(--primary-dark);
  font-weight: 760;
}

.contact-link:hover,
.contact-link:focus {
  text-decoration: underline;
}

@media (max-width: 900px) {
  h1 {
    font-size: 3.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  .nav-wrap {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 14px 0;
  }

  .hero-grid,
  .two-column,
  .experience-item,
  .project-grid,
  .skills-grid,
  .resume-panel {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 58px;
  }

  .section {
    padding: 64px 0;
  }

  .hero-card {
    min-height: auto;
  }

  .resume-buttons {
    justify-content: flex-start;
  }
}

@media (max-width: 560px) {
  h1 {
    font-size: 2.85rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .container,
  .nav-wrap {
    width: min(100% - 28px, 1120px);
  }

  .nav-links {
    width: 100%;
    justify-content: flex-start;
    gap: 4px 14px;
    font-size: 0.9rem;
  }

  .button-row {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .focus-list {
    grid-template-columns: 1fr;
  }

  .experience-item,
  .hero-card,
  .project-card,
  .skill-card {
    padding: 22px;
  }

  .project-topline {
    flex-direction: column;
  }

  .project-topline a {
    width: 100%;
    text-align: center;
  }
}