/* ── Reset & tokens ── */
:root {
  --bg: #080e1f;
  --surface: #0f1729;
  --surface-2: #141e32;
  --border: #1e2d50;
  --border-soft: rgba(255,255,255,0.07);
  --text: #e4ecff;
  --muted: #7e93c0;
  --accent: #5f83ff;
  --accent-glow: rgba(95,131,255,0.35);
  --accent-light: #a3b9ff;
  --green: #34d399;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow: 0 8px 32px rgba(0,0,0,0.45);
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  font-size: 0.97rem;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  background-image:
    radial-gradient(ellipse 80% 50% at 70% -10%, rgba(95,131,255,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 0% 100%, rgba(52,211,153,0.06) 0%, transparent 50%);
  background-attachment: fixed;
}

/* ── Layout ── */
.container {
  width: min(900px, 92%);
  margin: 0 auto;
}

/* ── Hero ── */
.hero {
  padding: 5rem 0 4rem;
  border-bottom: 1px solid var(--border-soft);
}

.hero-inner {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}

.avatar {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.4rem;
  color: #fff;
  box-shadow: 0 0 0 4px rgba(95,131,255,0.18), var(--shadow);
  letter-spacing: -0.02em;
}

.hero-text { flex: 1; min-width: 0; }

.eyebrow {
  margin: 0 0 0.6rem;
  font-size: 0.73rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-light);
  font-weight: 600;
}

h1 {
  margin: 0 0 0.3rem;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  background: linear-gradient(130deg, #fff 40%, var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.summary {
  margin: 0.5rem 0 0.6rem;
  font-size: 0.95rem;
  color: #c8d4f0;
  line-height: 1.6;
  max-width: 520px;
}

.location {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin: 0 0 0.9rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.2rem;
  margin-bottom: 1.4rem;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  color: var(--accent-light);
  text-decoration: none;
  transition: color 0.15s;
}

.contact-link:hover { color: #fff; }

.stats {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.stat {
  display: flex;
  flex-direction: column;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.7rem 1.1rem;
}

.stat .value {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text);
}

.stat .label {
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.actions {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  text-decoration: none;
  border-radius: var(--radius-sm);
  padding: 0.65rem 1.1rem;
  font-size: 0.88rem;
  font-weight: 600;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
  cursor: pointer;
}

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

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #4a6fd4 100%);
  color: #fff;
  box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-primary:hover { box-shadow: 0 10px 28px var(--accent-glow); }

.btn-secondary {
  background: rgba(255,255,255,0.06);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover { background: rgba(255,255,255,0.1); }

/* ── Main ── */
main { padding: 2.5rem 0 4rem; }


/* ── Cards / Sections ── */
.card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.6rem 1.75rem;
  margin-bottom: 1.2rem;
  box-shadow: var(--shadow);
}

.section-title {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 1.3rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.section-title svg { color: var(--accent); flex-shrink: 0; }

/* ── Timeline ── */
.timeline { display: flex; flex-direction: column; gap: 0; }

.timeline-item {
  display: flex;
  gap: 1rem;
  position: relative;
  padding-bottom: 1.5rem;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-item:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 18px;
  bottom: 0;
  width: 1px;
  background: var(--border);
}

.timeline-dot {
  flex-shrink: 0;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  margin-top: 0.3rem;
  box-shadow: 0 0 0 3px rgba(95,131,255,0.2);
}

.timeline-content { flex: 1; min-width: 0; }

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

.role {
  font-size: 0.98rem;
  font-weight: 700;
  display: block;
  margin-bottom: 0.15rem;
}

.org {
  margin: 0;
  font-size: 0.88rem;
}

.thesis {
  margin: 0.5rem 0 0;
  font-size: 0.86rem;
  font-style: italic;
  color: var(--accent-light);
  line-height: 1.5;
  border-left: 2px solid var(--accent);
  padding-left: 0.75rem;
}

/* ── Badges ── */
.badge {
  flex-shrink: 0;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  color: var(--muted);
  white-space: nowrap;
}

.badge-active {
  background: rgba(52,211,153,0.1);
  border-color: rgba(52,211,153,0.3);
  color: var(--green);
}

/* ── Skills categories ── */
.skills-categories {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1.5rem 1rem;
}

.skill-group-label {
  margin: 0 0 0.7rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.skill-group-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.skill-group-list li {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  padding-left: 0.9rem;
  position: relative;
}

.skill-group-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.6;
}

/* ── Experience details ── */
.exp-desc {
  margin: 0.65rem 0 0.5rem;
  font-size: 0.88rem;
  color: #c8d4f0;
  line-height: 1.65;
}

.tech-stack {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.55;
}

.tech-label {
  font-weight: 600;
  color: var(--accent-light);
}

/* ── Languages ── */
.lang-list {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.lang-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.8rem 1.1rem;
  min-width: 180px;
}

.lang-item strong { font-size: 0.95rem; }

.lang-level {
  font-size: 0.8rem;
  color: var(--muted);
}

/* ── Certifications ── */
.cert-list { display: flex; flex-direction: column; gap: 1rem; }

.cert-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s;
}

.cert-item:hover { border-color: rgba(95,131,255,0.3); }

.cert-logo {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #0077b5, #00a0dc);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.95rem;
  color: #fff;
}

.cert-item strong { font-size: 0.92rem; display: block; margin-bottom: 0.1rem; }

/* ── Tags ── */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.tag {
  font-size: 0.82rem;
  font-weight: 500;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  background: rgba(95,131,255,0.1);
  border: 1px solid rgba(95,131,255,0.22);
  color: var(--accent-light);
  transition: background 0.2s, border-color 0.2s;
  cursor: default;
}

.tag:hover {
  background: rgba(95,131,255,0.18);
  border-color: rgba(95,131,255,0.4);
}

/* ── Utilities ── */
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--border-soft);
  padding: 2rem 0 2.5rem;
}

.footer-inner { text-align: center; }

.footer-name {
  margin: 0 0 0.3rem;
  font-weight: 700;
  font-size: 1rem;
}

.footer p { margin: 0.15rem 0; }

.footer a {
  color: var(--accent-light);
  text-decoration: none;
}

.footer a:hover { text-decoration: underline; }

/* ── Responsive ── */
@media (max-width: 600px) {
  .hero-inner { flex-direction: column; gap: 1.2rem; }
  .avatar { width: 64px; height: 64px; font-size: 1.1rem; }
  .hero { padding: 3rem 0 2.5rem; }
  .card { padding: 1.2rem 1.1rem; }
  .timeline-header { flex-direction: column; gap: 0.4rem; }
}