/* ---------- Reset & base ---------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-bg: #faf9f5;
  --color-ink: #1c1b18;
  --color-ink-muted: #5c584f;
  --color-accent: #7a2e2a;
  --color-border: #dbd6ca;

  --font-serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --font-sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, Menlo, monospace;

  --max-width: 680px;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.65;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-ink);
}

h2 {
  font-size: 1.375rem;
  font-weight: 700;
  padding-bottom: 12px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--color-border);
}

h3 {
  font-size: 1.05rem;
}

p {
  max-width: 62ch;
}

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

a:hover {
  border-bottom-color: currentColor;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

ul {
  list-style: none;
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-ink);
  color: var(--color-bg);
  padding: 10px 16px;
  z-index: 200;
}

.skip-link:focus {
  left: 16px;
  top: 16px;
}

/* ---------- Header / nav ---------- */
.site-header {
  border-bottom: 1px solid var(--color-border);
}

.navbar {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
}

.logo {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-ink);
  border-bottom: none;
}

.logo:hover {
  border-bottom: 1px solid var(--color-ink);
}

.nav-links {
  display: flex;
  gap: 22px;
}

.nav-links a {
  color: var(--color-ink-muted);
  font-size: 0.9rem;
}

.nav-links a:hover {
  color: var(--color-ink);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-ink);
  cursor: pointer;
}

/* ---------- Hero ---------- */
.hero {
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--color-border);
}

.hero h1 {
  font-size: 2.25rem;
  margin-bottom: 10px;
}

.role {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.hero-text {
  color: var(--color-ink-muted);
  font-size: 1.02rem;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 11px 20px;
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid var(--color-ink);
  border-bottom-width: 1px;
}

.btn-primary {
  background: var(--color-ink);
  color: var(--color-bg);
}

.btn-primary:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-bg);
}

.btn-secondary {
  background: transparent;
  color: var(--color-ink);
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ---------- Sections ---------- */
.section {
  padding: 56px 0;
  border-bottom: 1px solid var(--color-border);
}

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

.section > .container > p {
  color: var(--color-ink-muted);
  margin-bottom: 16px;
}

.section > .container > p:last-child {
  margin-bottom: 0;
}

/* ---------- Entries (experience / projects / education) ---------- */
.entry {
  border-left: 2px solid var(--color-border);
  padding-left: 20px;
  margin-bottom: 36px;
}

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

.entry-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}

.entry-date {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-ink-muted);
  white-space: nowrap;
}

.entry-meta {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-accent);
  margin-top: 4px;
}

.entry-list {
  margin-top: 14px;
}

.entry-list li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 8px;
  font-size: 0.95rem;
  color: var(--color-ink);
}

.entry-list li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: var(--color-ink-muted);
}

/* ---------- Skills ---------- */
.skills-list {
  display: flex;
  flex-direction: column;
}

.skills-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 20px;
  padding: 14px 0;
  border-top: 1px solid var(--color-border);
}

.skills-row:last-child {
  border-bottom: 1px solid var(--color-border);
}

.skills-row dt {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-ink-muted);
}

.skills-row dd {
  font-size: 0.95rem;
  color: var(--color-ink);
}

/* ---------- Contact ---------- */
.contact-list {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-list a {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  color: var(--color-ink);
}

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

/* ---------- Footer ---------- */
.site-footer {
  padding: 28px 0;
  color: var(--color-ink-muted);
  font-size: 0.82rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .nav-toggle {
    display: block;
  }

  nav {
    width: 100%;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: 16px 24px;
    gap: 14px;
    display: none;
  }

  .navbar {
    position: relative;
  }

  .nav-links.open {
    display: flex;
  }

  .hero h1 {
    font-size: 1.85rem;
  }

  .skills-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}