/* ── Reset & Base ─────────────────────────────────────────────────────────── */

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

:root {
  --color-bg: #fafafa;
  --color-surface: #ffffff;
  --color-text: #1a2332;
  --color-text-secondary: #5a6777;
  --color-accent: #2d3a4a;
  --color-accent-light: #3d5a80;
  --color-border: #e2e6ea;
  --color-tag-bg: #eef1f4;
  --font-sans: "Inter", "Helvetica Neue", -apple-system, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", "Fira Code", monospace;
  --max-width: 720px;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
}

a {
  color: var(--color-accent-light);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}

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

/* ── Layout ───────────────────────────────────────────────────────────────── */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Header / Hero ────────────────────────────────────────────────────────── */

.hero {
  padding: 5rem 0 3rem;
  border-bottom: 1px solid var(--color-border);
}

.hero__name {
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-accent);
  margin-bottom: 0.25rem;
}

.hero__title {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  font-weight: 400;
  margin-bottom: 1.25rem;
}

.hero__summary {
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.7;
  max-width: 600px;
}

.hero__contact {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.hero__contact a {
  color: var(--color-text-secondary);
}

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

/* ── Sections ─────────────────────────────────────────────────────────────── */

section {
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--color-border);
}

section:last-of-type {
  border-bottom: none;
}

.section__heading {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
}

/* ── Experience entries ───────────────────────────────────────────────────── */

.entry {
  margin-bottom: 2rem;
}

.entry:last-child {
  margin-bottom: 0;
}

.entry__header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
  margin-bottom: 0.2rem;
}

.entry__company {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

.entry__dates {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.entry__role {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.5rem;
}

.entry__description {
  font-size: 0.88rem;
  color: var(--color-text);
  line-height: 1.65;
}

.entry__tech {
  margin-top: 0.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-tag-bg);
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
  letter-spacing: 0.01em;
}

/* ── Education ────────────────────────────────────────────────────────────── */

.edu-entry {
  margin-bottom: 1rem;
}

.edu-entry:last-child {
  margin-bottom: 0;
}

.edu-entry__degree {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
}

.edu-entry__school {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

/* ── Skills list ──────────────────────────────────────────────────────────── */

.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 2rem;
}

.skill-category__label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.skill-category__items {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ── Footer ───────────────────────────────────────────────────────────────── */

footer {
  padding: 2rem 0;
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

/* ── Responsive ───────────────────────────────────────────────────────────── */

@media (max-width: 600px) {
  .hero {
    padding: 3rem 0 2rem;
  }

  .hero__name {
    font-size: 1.75rem;
  }

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

  .entry__header {
    flex-direction: column;
  }
}