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

:root {
  --bg:         #0a0e1a;
  --surface:    #111827;
  --border:     #1e2d47;
  --text:       #e8edf5;
  --muted:      #7a8ba6;
  --accent:     #4d8eef;
  --accent-dim: #1a3560;
  --green:      #34d399;
  --radius:     6px;
  --font-sans:  'Inter', system-ui, sans-serif;
  --font-head:  'Poppins', system-ui, sans-serif;
  --max-w:      760px;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  padding: 2.5rem 1.25rem 5rem;
}

/* ─── Layout ────────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
}

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2.25rem 0;
}

/* ─── Language Toggle ────────────────────────────────────── */
.lang-toggle {
  position: fixed;
  top: 1.25rem;
  right: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  z-index: 100;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
}

.lang-btn {
  background: none;
  border: none;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: pointer;
  padding: 0.15rem 0.4rem;
  border-radius: 999px;
  transition: color 0.15s, background 0.15s;
}

.lang-btn.active {
  color: var(--accent);
  background: var(--accent-dim);
}

.lang-btn:hover:not(.active) { color: var(--text); }

.lang-sep { color: var(--border); font-size: 0.85rem; }

/* ─── Header ────────────────────────────────────────────── */
.header {
  padding-top: 1rem;
  margin-bottom: 2.25rem;
}

.name {
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text);
  line-height: 1.15;
  margin-bottom: 0.35rem;
}

.title {
  font-size: 1rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 0.75rem;
  letter-spacing: 0.01em;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.contact-links a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
}

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

.dot { color: var(--border); }

/* ─── Sections ───────────────────────────────────────────── */
.section { }

.section-title {
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.4rem;
}

/* ─── About ──────────────────────────────────────────────── */
.about-text {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.75;
  max-width: 64ch;
}

/* ─── Entry (Experience / Education) ────────────────────── */
.entry { margin-bottom: 1.25rem; }

.entry-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.3rem;
  flex-wrap: wrap;
}

.entry-title {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.15rem;
}

.entry-org {
  font-size: 0.875rem;
  color: var(--muted);
}

.entry-location {
  font-size: 0.875rem;
  color: var(--muted);
}

.entry-period {
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

.badge-current {
  color: var(--green);
  background: rgba(52, 211, 153, 0.08);
  border: 1px solid rgba(52, 211, 153, 0.2);
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
}

.verify-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.6rem;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--green);
  background: rgba(52, 211, 153, 0.08);
  border: 1px solid rgba(52, 211, 153, 0.2);
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  text-decoration: none;
  transition: border-color 0.15s, background 0.15s;
}

.verify-badge:hover {
  border-color: var(--green);
  background: rgba(52, 211, 153, 0.14);
}

.verify-icon {
  font-weight: 700;
}

.entry-dept {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.6rem;
  font-style: italic;
}

.entry-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.entry-list li {
  font-size: 0.875rem;
  color: var(--muted);
  padding-left: 1rem;
  position: relative;
}

.entry-list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.75rem;
  line-height: 1.8;
}

/* ─── Skills ─────────────────────────────────────────────── */
.skills-grid {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.skill-group {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
}

.skill-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  min-width: 110px;
  padding-top: 0.2rem;
  flex-shrink: 0;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.tag {
  font-size: 0.78rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.2rem 0.65rem;
  transition: border-color 0.15s, color 0.15s;
}

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

/* ─── Certifications ─────────────────────────────────────── */
.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 0.85rem;
}

.cert-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  transition: border-color 0.2s;
}

.cert-card:hover { border-color: var(--accent); }

.cert-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.cert-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}

.cert-year {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
  padding-top: 0.1rem;
}

.cert-org {
  font-size: 0.78rem;
  color: var(--accent);
  display: block;
  margin-bottom: 0.35rem;
}

.cert-desc {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.5;
}

.cert-card-featured { border-color: var(--accent-dim); }

/* ─── Certification score breakdown (accordion) ──────────── */
.cert-scores {
  margin-top: 0.75rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--border);
}

.cert-scores-summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  list-style: none;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent);
}

.cert-scores-summary::-webkit-details-marker { display: none; }

.cert-scores-summary::after {
  content: '▾';
  color: var(--muted);
  flex-shrink: 0;
  transition: transform 0.2s;
}

.cert-scores[open] .cert-scores-summary::after { transform: rotate(180deg); }

.cert-scores-summary:hover { color: var(--text); }

.cert-scores-overall {
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}

.cert-scores-body {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-top: 0.85rem;
}

.score-row {
  display: grid;
  grid-template-columns: 92px 1fr 32px;
  align-items: center;
  gap: 0.6rem;
}

.score-row-overall .score-label,
.score-row-overall .score-value { color: var(--accent); }

.score-label {
  font-size: 0.72rem;
  color: var(--muted);
}

.score-bar {
  height: 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
}

.score-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--green));
  border-radius: 999px;
}

.score-value {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text);
  text-align: right;
}

.cert-scores-meta {
  margin-top: 0.75rem;
  padding-top: 0.6rem;
  border-top: 1px solid var(--border);
  font-size: 0.7rem;
  color: var(--muted);
}

/* ─── Projects ───────────────────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 0.85rem;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  transition: border-color 0.2s;
}

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

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.project-name {
  font-family: var(--font-head);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}

.project-link {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  white-space: nowrap;
  padding-top: 0.1rem;
  transition: color 0.15s;
}

.project-link:hover { color: var(--text); }

.project-tech {
  font-size: 0.75rem;
  color: var(--accent);
  display: block;
  margin-bottom: 0.35rem;
}

.project-desc {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.5;
}

/* ─── Languages ──────────────────────────────────────────── */
.languages-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.language-item {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.45rem 0.85rem;
}

.language-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.language-level {
  font-size: 0.78rem;
  color: var(--muted);
}

/* ─── Print ──────────────────────────────────────────────── */
@media print {
  body {
    background: #fff;
    color: #111;
    padding: 1.5rem;
  }

  :root {
    --bg: #fff;
    --surface: #f5f5f5;
    --border: #d0d0d0;
    --text: #111;
    --muted: #555;
    --accent: #1a56c4;
    --accent-dim: #dce8ff;
  }

  .lang-toggle { display: none; }

  .cert-card, .tag { page-break-inside: avoid; }
}

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 560px) {
  .skill-group { flex-direction: column; gap: 0.4rem; }
  .skill-label { min-width: unset; }
  .certs-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .entry-header { flex-direction: column; }
  .lang-toggle { top: 0.75rem; right: 0.75rem; }
}