/* ============================================================
   CSS CUSTOM PROPERTIES (Light / Dark)
   ============================================================ */
:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f8f9fb;
  --color-surface: #ffffff;
  --color-border: #e8eaed;
  --color-text: #1a1a2e;
  --color-text-secondary: #5a6270;
  --color-text-muted: #8c95a0;
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-accent-subtle: #eff6ff;
  --color-accent-2: #7c3aed;
  --color-card-shadow: 0 1px 3px rgba(0, 0, 0, 0.07), 0 4px 12px rgba(0, 0, 0, 0.05);
  --color-card-shadow-hover: 0 4px 16px rgba(37, 99, 235, 0.13), 0 1px 4px rgba(0, 0, 0, 0.08);
  --nav-height: 64px;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --color-bg: #0f1117;
  --color-bg-alt: #161b27;
  --color-surface: #1e2330;
  --color-border: #2a3044;
  --color-text: #eef0f5;
  --color-text-secondary: #9ba3b5;
  --color-text-muted: #6b7485;
  --color-accent: #4f8ef7;
  --color-accent-hover: #6fa3f9;
  --color-accent-subtle: #1e2d4a;
  --color-accent-2: #a78bfa;
  --color-card-shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 4px 12px rgba(0, 0, 0, 0.2);
  --color-card-shadow-hover: 0 4px 20px rgba(79, 142, 247, 0.2), 0 1px 4px rgba(0, 0, 0, 0.25);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Noto Sans KR', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  transition: background-color var(--transition), color var(--transition);
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

strong {
  font-weight: 700;
  color: var(--color-accent);
}

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section-alt {
  background-color: var(--color-bg-alt);
  transition: background-color var(--transition);
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
  color: var(--color-text);
}

.section-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--color-accent);
  margin-top: 10px;
  border-radius: 2px;
}

.section-subtitle {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-top: 4px;
  margin-bottom: 40px;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  height: var(--nav-height);
  transition: background-color var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.nav-header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .nav-header.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 2px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-text);
  flex-shrink: 0;
  transition: opacity var(--transition);
  font-family: 'Inter', sans-serif;
  letter-spacing: -0.01em;
}

.nav-logo:hover {
  opacity: 0.75;
}

.logo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 3px 7px;
  border-radius: 5px;
  line-height: 1;
  margin-right: 1px;
}

.logo-dot {
  color: var(--color-accent);
  font-size: 1.4rem;
  line-height: 1;
  font-weight: 800;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.nav-link {
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color var(--transition), background-color var(--transition);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-accent);
  background-color: var(--color-accent-subtle);
}

.theme-toggle {
  margin-left: auto;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1.5px solid var(--color-border);
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  transition: border-color var(--transition), background-color var(--transition), transform 0.2s;
  flex-shrink: 0;
}

.theme-toggle:hover {
  background-color: var(--color-accent-subtle);
  border-color: var(--color-accent);
  transform: rotate(20deg);
}

/* Hamburger (mobile) */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 80px 24px 60px;
  position: relative;
  background: linear-gradient(160deg, var(--color-bg) 60%, var(--color-accent-subtle) 100%);
  transition: background var(--transition);
  text-align: center;
}

.hero-inner {
  max-width: 680px;
  width: 100%;
}

.hero-badge {
  display: inline-block;
  padding: 5px 16px;
  border-radius: 100px;
  border: 1.5px solid var(--color-accent);
  color: var(--color-accent);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero-name {
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 20px;
  color: var(--color-text);
}

.hero-name-en {
  display: block;
  font-size: 0.48em;
  font-weight: 400;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  margin-top: 6px;
  font-family: 'Inter', sans-serif;
}

.hero-tagline {
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 32px;
  font-weight: 400;
}

.hero-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 40px;
}

.keyword {
  padding: 6px 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  font-weight: 500;
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}

.keyword:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-subtle);
}

.btn-primary {
  display: inline-block;
  padding: 14px 36px;
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  transition: background var(--transition), transform 0.15s, box-shadow var(--transition);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.72rem;
  color: var(--color-text-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: scrollBounce 2s infinite;
}

.hero-scroll-hint::after {
  content: '';
  display: block;
  width: 1px;
  height: 36px;
  background: var(--color-text-muted);
  margin: 6px auto 0;
  opacity: 0.4;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* ============================================================
   CORE COMPETENCIES
   ============================================================ */
.competency-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 44px;
}

.competency-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color var(--transition), box-shadow var(--transition), transform 0.18s;
}

.competency-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--color-card-shadow-hover);
  transform: translateY(-3px);
}

.competency-icon {
  font-size: 1.8rem;
  margin-bottom: 14px;
  line-height: 1;
}

.competency-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.competency-card p {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* ============================================================
   EXPERIENCE
   ============================================================ */
.experience-block {
  margin-top: 44px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--color-card-shadow);
}

.exp-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}

.exp-company {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: 8px;
}

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

.exp-tag {
  padding: 3px 10px;
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  border-radius: 4px;
  font-size: 0.78rem;
  font-weight: 600;
}

.exp-period {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  text-align: right;
}

.exp-duration {
  display: block;
  font-size: 0.78rem;
  color: var(--color-accent);
  font-weight: 600;
  margin-top: 4px;
}

.exp-desc {
  font-size: 0.93rem;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
  line-height: 1.7;
}

.exp-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ============================================================
   PROJECTS
   ============================================================ */
.project-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 44px;
}

.project-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition), transform 0.18s;
  box-shadow: var(--color-card-shadow);
}

.project-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--color-card-shadow-hover);
  transform: translateY(-2px);
}

.project-card--highlight {
  border-left: 4px solid var(--color-accent);
}

.project-card--personal {
  border-left: 4px solid var(--color-accent-2);
}

.project-card-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px 28px 0;
}

.project-number {
  font-family: 'Inter', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-border);
  line-height: 1;
  flex-shrink: 0;
  user-select: none;
  min-width: 36px;
}

.project-card:hover .project-number {
  color: var(--color-accent);
  transition: color var(--transition);
}

.project-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
  line-height: 1.35;
  margin-bottom: 5px;
}

.project-period {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.project-duration {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 8px;
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  border-radius: 4px;
  font-weight: 600;
}

.project-body {
  padding: 16px 28px 24px 80px;
}

.project-overview {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: 18px;
  line-height: 1.65;
}

.project-details {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 18px;
}

.project-detail-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 12px;
  align-items: baseline;
  font-size: 0.87rem;
}

.detail-label {
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  flex-shrink: 0;
}

.detail-value {
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

/* ============================================================
   SKILLS & TAGS
   ============================================================ */
.skill-tag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  font-weight: 500;
  transition: border-color var(--transition), color var(--transition);
}

.skill-tag:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* ============================================================
   EDUCATION GRID
   ============================================================ */
.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 44px;
}

.edu-block {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--color-card-shadow);
}

.edu-block--full {
  grid-column: 1 / -1;
}

.edu-block-title {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.edu-item-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.edu-item-header strong {
  font-size: 1rem;
  color: var(--color-text);
}

.edu-period {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.edu-dept {
  display: block;
  font-size: 0.88rem;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 8px;
}

.edu-note {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.cert-item {
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
}

.cert-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.cert-item:first-child {
  padding-top: 0;
}

.cert-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 6px;
}

.cert-header strong {
  font-size: 0.95rem;
  color: var(--color-text);
}

.cert-date {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.cert-desc {
  font-size: 0.84rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Skills grid within edu block */
.skills-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.skill-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.skill-group-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  width: 110px;
  flex-shrink: 0;
}

.skill-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.skill-chip {
  display: inline-block;
  padding: 5px 13px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 0.84rem;
  color: var(--color-text-secondary);
  font-weight: 500;
  transition: all var(--transition);
}

.skill-chip:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-subtle);
}

.skill-chip--accent {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-subtle);
  font-weight: 600;
}

/* ============================================================
   INLINE LINK
   ============================================================ */
.inline-link {
  color: var(--color-accent);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: opacity var(--transition);
}

.inline-link:hover {
  opacity: 0.75;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 48px 0 32px;
  transition: background var(--transition), border-color var(--transition);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 28px;
  margin-bottom: 32px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

.footer-brand .logo-badge {
  font-size: 0.68rem;
  padding: 2px 6px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
}

.footer-link {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  transition: color var(--transition);
}

.footer-link:hover {
  color: var(--color-accent);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-align: center;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

/* ============================================================
   ANIMATIONS — fade-in-up on scroll
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s cubic-bezier(0.4, 0, 0.2, 1), transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children */
.competency-grid .fade-in:nth-child(1) { transition-delay: 0s; }
.competency-grid .fade-in:nth-child(2) { transition-delay: 0.08s; }
.competency-grid .fade-in:nth-child(3) { transition-delay: 0.16s; }
.competency-grid .fade-in:nth-child(4) { transition-delay: 0.24s; }

.project-list .fade-in:nth-child(1) { transition-delay: 0s; }
.project-list .fade-in:nth-child(2) { transition-delay: 0.07s; }
.project-list .fade-in:nth-child(3) { transition-delay: 0.14s; }
.project-list .fade-in:nth-child(4) { transition-delay: 0.21s; }
.project-list .fade-in:nth-child(5) { transition-delay: 0.28s; }

/* ============================================================
   RESPONSIVE — TABLET (≤ 768px)
   ============================================================ */
@media (max-width: 768px) {
  :root { --nav-height: 56px; }

  .section { padding: 64px 0; }

  /* Nav mobile */
  .nav-hamburger { display: flex; }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 4px;
    transform: translateY(-110%);
    transition: transform var(--transition), opacity var(--transition);
    opacity: 0;
    pointer-events: none;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-link {
    display: block;
    padding: 10px 14px;
    font-size: 1rem;
  }

  .theme-toggle { margin-left: 0; }

  /* Hero */
  .hero { padding: 60px 24px 48px; }
  .hero-name { font-size: 2.2rem; }

  /* Competency */
  .competency-grid { grid-template-columns: 1fr; gap: 14px; }

  /* Projects */
  .project-body { padding-left: 28px; }
  .project-detail-item { grid-template-columns: 80px 1fr; }

  /* Education grid */
  .edu-grid { grid-template-columns: 1fr; }

  /* Footer */
  .footer-inner { flex-direction: column; gap: 20px; }
  .footer-links { flex-direction: column; gap: 10px; }
}

/* ============================================================
   RESPONSIVE — MOBILE (≤ 480px)
   ============================================================ */
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .section { padding: 52px 0; }

  .hero { min-height: calc(100svh - var(--nav-height)); }
  .hero-name { font-size: 1.85rem; }
  .hero-tagline { font-size: 0.95rem; }
  .hero-keywords { gap: 8px; }
  .keyword { font-size: 0.8rem; padding: 5px 12px; }
  .btn-primary { width: 100%; text-align: center; }

  .project-card-header { padding: 18px 18px 0; }
  .project-body { padding: 14px 18px 18px; }
  .project-detail-item { grid-template-columns: 1fr; gap: 3px; }
  .detail-label { display: inline-block; margin-bottom: 2px; }

  .experience-block { padding: 20px; }
  .exp-header { flex-direction: column; }
  .exp-period { text-align: left; }

  .edu-block { padding: 20px 16px; }
  .skill-group { flex-direction: column; align-items: flex-start; }
  .skill-group-label { width: auto; }
}

/* ============================================================
   PORTFOLIO TOOLS LIST (Project 5)
   ============================================================ */
.portfolio-tools {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 16px 0 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.portfolio-tool {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition), color var(--transition);
  cursor: pointer;
}

.portfolio-tool:last-child {
  border-bottom: none;
}

.portfolio-tool:hover {
  background: var(--color-accent-subtle);
}

.portfolio-tool:hover .portfolio-tool-arrow {
  color: var(--color-accent);
  transform: translateX(2px) translateY(-2px);
}

.portfolio-tool-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  padding: 4px 8px;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: 5px;
  font-family: 'Inter', sans-serif;
  flex-shrink: 0;
}

.portfolio-tool-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.portfolio-tool-info strong {
  font-size: 0.9rem;
  color: var(--color-text);
  font-weight: 600;
}

.portfolio-tool-info span {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

.portfolio-tool-arrow {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  flex-shrink: 0;
  transition: color var(--transition), transform 0.15s;
}

/* ============================================================
   PRINT STYLES (optional, for PDF export)
   ============================================================ */
@media print {
  .nav-header, .theme-toggle, .hero-scroll-hint, .nav-hamburger { display: none !important; }
  .section { padding: 32px 0; }
  .project-card, .competency-card, .edu-block { break-inside: avoid; }
  body { font-size: 14px; }
}