:root {
  /* --color-neutral: #191f28;
  --color-neutral-muted: #333d4b; */
  --color-neutral: #333d4b;
  --color-neutral-muted: #4e5968;
  --color-neutral-subtle: #6b7684;
  --color-neutral-placeholder: #b0b8c1;
  --color-link: #3182f6;
}

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

body {
  font-family: "Pretendard Variable", -apple-system, BlinkMacSystemFont,
    system-ui, sans-serif;
  background: #fff;
  color: var(--color-neutral);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-link);
  text-decoration: none;
  cursor: pointer;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 40px;
}

/* Header */
.header {
  margin-bottom: 48px;
}

.header h1 {
  font-size: 28px;
  font-weight: 700;
  margin: 8px 0;
  color: var(--color-neutral);
}

.header img {
  width: 120px;
}

.header .role {
  font-size: 16px;
  color: var(--color-neutral-muted);
  margin-bottom: 16px;
  font-weight: 600;
}

.header .intro {
  font-size: 15px;
  color: var(--color-neutral-muted);
  line-height: 1.8;
}

.header .contact {
  margin-top: 16px;
  font-size: 14px;
  color: var(--color-neutral-subtle);
}

.header .contact a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
  margin-right: 16px;
}

/* Section */
.section {
  margin-bottom: 40px;
}

.section h2 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-neutral);
  margin-bottom: 20px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-neutral);
}

.section h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-neutral);
  margin-bottom: 6px;
}

.section p {
  font-size: 14px;
  color: var(--color-neutral-muted);
  margin-bottom: 12px;
}

.section ul {
  list-style: none;
  padding-left: 0;
}

.section ul li {
  position: relative;
  padding-left: 14px;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--color-neutral-muted);
  line-height: 1.7;
}

.section ul li::before {
  content: "•";
  position: absolute;
  left: 0;
  top: -4.5px;
  font-size: 18px;
  line-height: inherit;
  color: var(--color-neutral);
}

.section ul li strong {
  color: var(--color-neutral);
  font-weight: 500;
}

/* Sub list */
.section ul ul {
  margin-top: 6px;
  margin-left: 4px;
}

.section ul ul li {
  font-size: 13px;
  color: var(--color-neutral-subtle);
  margin-bottom: 4px;
}

/* Item Block (Work Experience & Projects 공통) */
.item-block {
  margin-bottom: 24px;
}

.item-block:last-child {
  margin-bottom: 0;
}

.item-header {
  margin-bottom: 8px;
}

.item-title-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 2px;
}

.item-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-neutral);
}

.item-meta {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 14px;
  color: var(--color-neutral-muted);
}

.item-desc {
  font-size: 14px;
  color: var(--color-neutral-muted);
  margin-bottom: 10px;
}

.item-links {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
}

.item-links span {
  color: var(--color-neutral-placeholder);
}

.item-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.item-stack span {
  display: inline-block;
  padding: 2px 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-neutral-muted);
  background: #f2f4f6;
  border-radius: 4px;
}

.item-sub {
  margin-top: 20px;
}

.item-sub-title {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-neutral);
  margin-bottom: 4px;
}

.item-sub-desc {
  font-size: 14px;
  color: var(--color-neutral-muted);
  margin-bottom: 8px;
}

/* Skills Grid */
.skills-row {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 12px;
}

.skill-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.skill-item .label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-neutral-placeholder);
  min-width: 60px;
}

.skill-item .value {
  font-size: 14px;
  color: var(--color-neutral);
}

/* Footer */
.footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid #eee;
  text-align: center;
  font-size: 13px;
  color: var(--color-neutral-placeholder);
}

/* Callout */
.callout {
  background: #f2f4f6;
  padding: 12px 16px;
  text-align: center;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-neutral-muted);
}

.callout a {
  font-weight: 600;
}

/* Responsive */
@media (max-width: 640px) {
  .container {
    padding: 40px 24px;
  }

  .header h1 {
    font-size: 24px;
  }

  .skills-row {
    flex-direction: column;
    gap: 12px;
  }
}