/* ─── Color tokens ─────────────────────────────────────────── */

:root {
  --bg: hsl(34, 26%, 95%);
  --fg: hsl(45, 8%, 9%);
  --muted: hsl(30, 4%, 52%);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: hsl(30, 5%, 7%);
    --fg: hsl(33, 16%, 89%);
    --muted: hsl(30, 4%, 60%);
  }
}

/* ─── Reset & base ─────────────────────────────────────────── */

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--bg);
  color: var(--fg);
  font-family: 'Noto Sans', sans-serif;
  font-weight: 400;
  font-size: 0.9375rem; /* 15px */
  line-height: 1.7;
  min-height: 100dvh;
}

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

main {
  max-width: 680px;
  margin: 0 auto;
  padding: 4rem 1.5rem 6rem;
}

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

header {
  margin-bottom: 3rem;
}

h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 0.2rem;
}

.location {
  font-size: 0.875rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
  font-style: italic;
}

.contact-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.25rem 0;
  font-size: 0.8125rem;
}

.contact-bar a {
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--muted) 50%, transparent);
  padding-bottom: 0.5px;
  transition:
    color 0.15s ease,
    border-color 0.15s ease;
}

.contact-bar a:hover {
  color: var(--muted);
  border-color: transparent;
}

.sep {
  color: var(--muted);
  padding: 0 0.5rem;
  user-select: none;
}

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

section {
  margin-bottom: 2.75rem;
}

h2 {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid color-mix(in srgb, var(--muted) 20%, transparent);
}

/* ─── Entry (experience / projects) ───────────────────────── */

article.entry {
  margin-bottom: 1.75rem;
}

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

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

.entry-title {
  font-weight: 600;
  font-size: 0.9375rem;
}

.entry-date {
  font-size: 0.8125rem;
  white-space: nowrap;
}

.entry-sub {
  font-size: 0.8125rem;
  margin-bottom: 0.5rem;
}

article ul {
  padding-left: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

article ul li {
  font-size: 0.9rem;
  line-height: 1.65;
}

article p {
  font-size: 0.9rem;
  line-height: 1.65;
}

/* ─── Inline links ─────────────────────────────────────────── */

.inline-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.8125rem;
  border-bottom: 1px solid color-mix(in srgb, var(--muted) 40%, transparent);
  padding-bottom: 0.5px;
  margin-left: 0.3rem;
  transition: color 0.15s ease;
}

.inline-link:hover {
  color: var(--fg);
}

.inline-link.small {
  font-size: 0.75rem;
  font-weight: 400;
}

/* ─── Open source list ─────────────────────────────────────── */

.oss-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.oss-list li {
  font-size: 0.9rem;
  line-height: 1.6;
  padding-left: 1.1rem;
  position: relative;
}

.oss-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--muted);
}

/* ─── Skills grid ──────────────────────────────────────────── */

.skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.skill-tag {
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.25rem 0.65rem;
  border: 1px solid color-mix(in srgb, var(--muted) 35%, transparent);
  border-radius: 3px;
  color: var(--fg);
  background: color-mix(in srgb, var(--muted) 8%, transparent);
  letter-spacing: 0.01em;
}

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

.edu-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.edu-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.25rem;
  font-size: 0.9rem;
}

/* ─── Certificates ─────────────────────────────────────────── */

.cert-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.cert-link {
  font-size: 0.9rem;
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--muted) 40%, transparent);
  padding-bottom: 0.5px;
  transition: color 0.15s ease;
}

.cert-link:hover {
  color: var(--muted);
  border-color: transparent;
}

/* ─── Utility ──────────────────────────────────────────────── */

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

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

@media (max-width: 480px) {
  h1 {
    font-size: 1.6rem;
  }

  .entry-meta {
    flex-direction: column;
    gap: 0.1rem;
  }

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

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

  .sep {
    display: none;
  }
}