:root {
  --paper: #F6F5F1;
  --ink: #1B2430;
  --ink-soft: #4A5361;
  --accent: #2F6B63;
  --accent-soft: #C9973E;
  --rule: #DAD7CD;
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Fraunces', serif;
  padding: 6vh 1.5rem;
}

.lang-switch {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  z-index: 10;
}

.lang-btn {
  background: none;
  border: none;
  padding: 0;
  line-height: 0;
  cursor: pointer;
  border-radius: 2px;
  transition: opacity 0.2s ease;
}

.flag-icon {
  display: block;
  width: 20px;
  height: 14px;
  border-radius: 2px;
}

.lang-btn:hover {
  opacity: 0.8;
}

.lang-btn.active {
  opacity: 1;
}

.lang-btn:not(.active) {
  opacity: 0.45;
}

.lang-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.layout {
  max-width: 480px;
  width: 100%;
  margin: 0 auto;
}

.rail {
  margin-bottom: 2.5rem;
}

.avatar {
  display: block;
  width: 144px;
  height: 144px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 20%;
  margin: 0 0 1.5rem 0;
  border: 1px solid var(--rule);
}

.eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.02em;
  margin: 0 0 1.75rem 0;
  min-height: 1.2em;
}

.cursor {
  display: inline-block;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.name {
  font-size: clamp(2.25rem, 6vw, 3.25rem);
  font-weight: 500;
  line-height: 1.05;
  margin: 0 0 0.4rem 0;
  letter-spacing: -0.01em;
}

.role {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-soft);
  margin: 0 0 0.75rem 0;
}

.section-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-soft);
  margin: 0 0 0.6rem 0;
}

.now {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8rem;
  color: var(--ink-soft);
  line-height: 1.6;
  margin: 0 0 2.5rem 0;
  text-wrap: balance;
}

.bio {
  font-size: 1.05rem;
  font-style: italic;
  color: var(--ink-soft);
  line-height: 1.6;
  margin: 0 0 2.5rem 0;
  text-wrap: balance;
}

.rule {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 0 0 2rem 0;
}

.location {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.75rem;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
  margin: 0 0 1.5rem 0;
}

.links {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-bottom: 1.75rem;
}

.links a {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.95rem;
  color: var(--ink);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  width: fit-content;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.links a:hover,
.links a:focus-visible {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.links a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.arrow {
  font-size: 0.8rem;
  opacity: 0.6;
}

.icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.skills-groups {
  margin: 0 0 2.5rem 0;
}

.skills {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  color: var(--ink-soft);
  letter-spacing: 0.01em;
  line-height: 1.6;
  margin: 0 0 0.5rem 0;
}

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

.skills-label {
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-right: 0.15rem;
}

.credential {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8rem;
  color: var(--ink-soft);
  line-height: 1.6;
  margin: 0 0 0.5rem 0;
}

.credential:last-of-type {
  margin-bottom: 0;
}

.credential-group {
  margin-bottom: 2.5rem;
}

.credential-group:last-child {
  margin-bottom: 0;
}

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

.credential a:hover,
.credential a:focus-visible {
  color: var(--accent-soft);
  border-bottom-color: var(--accent-soft);
}

@media (max-width: 420px) {
  .layout {
    max-width: 100%;
  }
}

@media (min-width: 900px) {
  .layout {
    max-width: 960px;
    display: flex;
    align-items: flex-start;
    gap: 4rem;
  }

  .rail {
    flex: 0 0 280px;
    position: sticky;
    top: 6vh;
    margin-bottom: 0;
  }

  .rail .name {
    font-size: clamp(1.9rem, 2.2vw, 2.4rem);
  }

  .content {
    flex: 1 1 auto;
    max-width: 600px;
  }
}

@media (max-width: 900px) {
  .lang-switch {
    top: 1rem;
    right: 1rem;
  }
}