/* ===== Tokens ===== */
:root {
  --bg: #f6f6f4;
  --surface: #ffffff;
  --surface-2: #f0f0ee;
  --text: #1c1c1c;
  --muted: #666;
  --border: #e2e2e0;
  --accent: #1c1c1c;
  --accent-text: #ffffff;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.05);
  --radius: 10px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111112;
    --surface: #19191b;
    --surface-2: #232326;
    --text: #ececec;
    --muted: #9a9a9e;
    --border: #2c2c30;
    --accent: #ececec;
    --accent-text: #111112;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.25);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #111112;
  --surface: #19191b;
  --surface-2: #232326;
  --text: #ececec;
  --muted: #9a9a9e;
  --border: #2c2c30;
  --accent: #ececec;
  --accent-text: #111112;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.25);
  color-scheme: dark;
}

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

body {
  font-family: "Montserrat", system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  padding: 32px 16px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

ul {
  list-style: none;
}

img {
  display: block;
  max-width: 100%;
}

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ===== Page chrome ===== */
.page {
  max-width: 1000px;
  margin: 0 auto;
}

.page--narrow {
  max-width: 640px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.back-link {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--muted);
  transition: color 0.2s, letter-spacing 0.2s;
}

.back-link:hover {
  color: var(--text);
  letter-spacing: 2px;
}

.theme-toggle {
  margin-left: auto;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  font-size: 15px;
  transition: background 0.2s;
}

.theme-toggle:hover {
  background: var(--surface-2);
}

.page-title {
  font-size: 30px;
  letter-spacing: 2px;
  margin-bottom: 6px;
}

.page-intro {
  color: var(--muted);
  margin-bottom: 28px;
}

.footer {
  margin-top: 28px;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ===== Buttons & chips ===== */
.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 700;
  border-radius: 6px;
  background: var(--accent);
  color: var(--accent-text);
  border: 1px solid var(--accent);
  transition: opacity 0.2s, transform 0.2s;
}

.btn:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip {
  font-size: 11px;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  white-space: nowrap;
}

/* ===== Resume (index) ===== */
.resume {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: 40px;
  padding: 40px;
}

.resume h1 {
  font-size: 30px;
  letter-spacing: 2px;
  line-height: 1.2;
}

.headline {
  margin-top: 6px;
  color: var(--muted);
}

.section {
  margin-top: 28px;
}

.section:first-child {
  margin-top: 0;
}

.section h2 {
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding-bottom: 6px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.info-list li {
  display: flex;
  gap: 10px;
  align-items: baseline;
  margin-bottom: 4px;
  overflow-wrap: anywhere;
}

.info-list a:hover {
  text-decoration: underline;
}

.timeline-item {
  position: relative;
  padding-left: 18px;
  margin-bottom: 18px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text);
}

.timeline-item:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 3px;
  top: 19px;
  bottom: -14px;
  width: 1px;
  background: var(--border);
}

.timeline-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2px 12px;
}

.timeline-meta {
  font-size: 12px;
  color: var(--muted);
}

.timeline-item p {
  margin-top: 4px;
}

.badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 0 7px;
  margin-left: 6px;
  border-radius: 4px;
  border: 1px solid var(--border);
  color: var(--muted);
  vertical-align: middle;
}

.skill-group + .skill-group {
  margin-top: 12px;
}

.skill-group h3 {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}

.hobbies {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-weight: 700;
}

/* ===== Works ===== */
.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.work-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.25s ease;
}

.work-card:hover {
  transform: translateY(-4px);
}

.work-card img {
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}

.work-placeholder {
  aspect-ratio: 2 / 1;
  display: grid;
  place-items: center;
  padding: 16px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 1px;
  text-align: center;
  color: var(--muted);
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}

.work-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
}

.work-title {
  font-size: 16px;
}

.work-tagline {
  font-size: 12px;
  font-style: italic;
  color: var(--muted);
}

.work-desc {
  flex: 1;
  font-size: 13px;
  color: var(--muted);
}

.work-body .btn-row {
  margin-top: 6px;
}

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}

.contact-card {
  --brand: var(--text);
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  font-weight: 700;
  transition: transform 0.2s, border-color 0.2s;
}

.contact-card svg {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  fill: currentColor;
  transition: color 0.2s;
}

.contact-card small {
  display: block;
  font-weight: 400;
  font-size: 11px;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.contact-card:hover {
  transform: translateY(-3px);
  border-color: var(--brand);
}

.contact-card:hover svg {
  color: var(--brand);
}

/* ===== States ===== */
.status {
  padding: 48px 0;
  text-align: center;
  color: var(--muted);
}

.spinner {
  width: 36px;
  height: 36px;
  margin: 0 auto 12px;
  border: 3px solid var(--border);
  border-top-color: var(--text);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  body {
    padding: 20px 16px;
  }

  .resume {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    padding: 24px 20px;
  }

  .resume > div + div {
    margin-top: 28px;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 13px;
  }

  .resume h1,
  .page-title {
    font-size: 24px;
  }
}