:root {
  --bg: #f6f7fb;
  --surface: #ffffff;
  --surface-2: #f0f3f8;
  --text: #172033;
  --muted: #5d697d;
  --border: #dbe2ee;
  --accent: #214e9f;
  --accent-hover: #163b7a;
  --shadow: 0 12px 30px rgba(16, 24, 40, 0.08);
  --radius: 18px;
  --max-width: 1100px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

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

.wrap {
  width: min(var(--max-width), calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  padding: 1.25rem 0 2.5rem;
  background: linear-gradient(180deg, #ffffff 0%, #f6f7fb 100%);
  border-bottom: 1px solid var(--border);
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.25rem 0 1.5rem;
}

.brand {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  color: var(--text);
}

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

.site-nav a {
  color: var(--muted);
  font-size: 0.95rem;
}

.site-nav a:hover {
  color: var(--text);
}

.hero {
  padding: 3rem 0 1rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.82rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  line-height: 1.05;
  max-width: 12ch;
}

.hero-copy {
  margin: 1.25rem 0 0;
  max-width: 68ch;
  font-size: 1.08rem;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.85rem 1.15rem;
  border-radius: 999px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

.button:hover {
  transform: translateY(-1px);
}

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

.button-primary:hover {
  background: var(--accent-hover);
  color: #fff;
}

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

.button-secondary:hover {
  background: var(--surface-2);
  color: var(--text);
}

.section {
  padding: 4rem 0 0;
}

.section-heading {
  margin-bottom: 1rem;
}

.section-label {
  margin: 0 0 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(1.45rem, 3vw, 2rem);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.35rem;
}

.card p:first-child {
  margin-top: 0;
}

.card p:last-child {
  margin-bottom: 0;
}

.skills-grid,
.projects-grid {
  display: grid;
  gap: 1rem;
}

.skills-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.projects-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.list,
.bullet-list {
  margin: 0;
  padding-left: 1.1rem;
}

.list li,
.bullet-list li {
  margin: 0.35rem 0;
}

.experience-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

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

.project-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.project-card h3,
.experience h3 {
  margin: 0;
  font-size: 1.15rem;
}

.project-card a {
  font-weight: 600;
}

.contact-card p {
  margin: 0.35rem 0;
}

.site-footer {
  padding: 2.5rem 0 3rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 900px) {
  .skills-grid,
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .nav-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero h1 {
    max-width: 100%;
  }
}

@media (max-width: 640px) {
  .wrap {
    width: min(var(--max-width), calc(100% - 1.25rem));
  }

  .hero {
    padding-top: 2rem;
  }

  .section {
    padding-top: 3rem;
  }

  .card {
    padding: 1.1rem;
  }

  .button {
    width: 100%;
  }

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

  .site-nav {
    gap: 0.75rem;
  }
}