:root {
  --bg: #fafaf9;
  --text: #1c1917;
  --muted: #57534e;
  --faint: #a8a29e;
  --border: #e7e5e4;
  --border-strong: #d6d3d1;
  --accent: #1d4ed8;

  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI",
    Roboto, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--text);
  color: var(--bg);
}

a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  text-decoration-color: var(--border-strong);
  transition: color 0.15s ease, text-decoration-color 0.15s ease;
}

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

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

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

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 6rem) clamp(1.25rem, 5vw, 2.5rem)
    clamp(3rem, 6vw, 5rem);
}

/* ── Intro ──────────────────────────────────────────────────────── */

.intro {
  margin-bottom: clamp(3.5rem, 7vw, 5rem);
}

.name {
  font-size: clamp(2rem, 4.5vw, 2.75rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.role {
  margin-top: 0.4rem;
  color: var(--muted);
  font-size: 1.05rem;
  font-weight: 400;
}

.bio {
  margin-top: 1.5rem;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--text);
  max-width: 60ch;
}

/* ── CV download (intro) ────────────────────────────────────────── */

.cv-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 1.5rem;
  padding: 0.6rem 1rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--bg);
  background: var(--text);
  border: 1px solid var(--text);
  border-radius: 2px;
  transition: background 0.15s ease, border-color 0.15s ease,
    transform 0.2s ease;
}

.cv-link:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}

.cv-link span {
  font-family: var(--sans);
  font-size: 0.95rem;
  transition: transform 0.2s ease;
}

.cv-link:hover span {
  transform: translateY(2px);
}

/* ── Bio details (year, location, languages) ────────────────────── */

.bio__details {
  list-style: none;
  margin-top: 1.75rem;
  display: grid;
  gap: 0.6rem;
}

.bio__details li {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  align-items: baseline;
  gap: 1rem;
  font-size: 0.95rem;
  color: var(--text);
}

.bio__details-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

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

.section {
  margin-bottom: clamp(3rem, 6vw, 4.5rem);
}

.section__head {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

/* ── Projects ───────────────────────────────────────────────────── */

.project {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

.project:first-of-type {
  padding-top: 0;
}

.project:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}

.project__no {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--faint);
  padding-top: 0.45rem;
  letter-spacing: 0.04em;
}

.project__media {
  margin: 0 0 1.25rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  background: #fff;
}

.project__media img {
  display: block;
  width: 100%;
  height: auto;
}

.project__title {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.project__desc {
  margin-top: 0.55rem;
  color: var(--text);
  line-height: 1.6;
  font-size: 0.98rem;
  max-width: 58ch;
}

.project__award {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.45rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.project__award span {
  font-size: 0.85rem;
  line-height: 1;
}

.project__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1rem;
}

.project__tags li {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--muted);
  padding: 0.22rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 2px;
  background: #fff;
}

.project__links {
  margin-top: 1.1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.project__links a {
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--text);
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 2px;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: color 0.15s ease, border-color 0.15s ease, transform 0.2s ease;
}

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

.project__links a span {
  font-family: var(--sans);
  font-size: 0.85rem;
  transition: transform 0.2s ease;
}

.project__links a:hover span {
  transform: translate(2px, -2px);
}

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

.experience {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

.experience:first-of-type {
  padding-top: 0;
}

.experience:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}

.experience__title {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.experience__meta {
  margin-top: 0.35rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.experience__desc {
  margin-top: 0.7rem;
  color: var(--text);
  line-height: 1.6;
  font-size: 0.98rem;
  max-width: 58ch;
}

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

.skills {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skills li {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text);
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 2px;
  background: #fff;
}

/* ── Contact ────────────────────────────────────────────────────── */

.contact {
  list-style: none;
  display: grid;
  gap: 0.65rem;
}

.contact li {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  align-items: baseline;
  gap: 1rem;
}

.contact__label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.contact a {
  text-decoration: none;
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 1px;
  width: max-content;
  max-width: 100%;
  word-break: break-word;
}

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

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

.footer {
  margin-top: clamp(3rem, 6vw, 4.5rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--faint);
}

/* ── Load reveal ────────────────────────────────────────────────── */

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(0.75rem);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.intro,
.section,
.footer {
  animation: fadeUp 0.7s cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

.intro { animation-delay: 0.05s; }
.section:nth-of-type(1) { animation-delay: 0.15s; }
.section:nth-of-type(2) { animation-delay: 0.25s; }
.section:nth-of-type(3) { animation-delay: 0.35s; }
.section:nth-of-type(4) { animation-delay: 0.45s; }
.footer { animation-delay: 0.55s; }

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

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

@media (max-width: 560px) {
  .project {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }
  .project__no {
    padding-top: 0;
  }
  .contact li,
  .bio__details li {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }
}