:root {
  --bg: #0f1720;
  --card: #0b1220;
  --card2: rgba(255,255,255,0.03);
  --accent: #6ee7b7;
  --accent-dim: rgba(110,231,183,0.12);
  --muted: #9aa6b2;
  --text: #e6eef6;
  --border: rgba(255,255,255,0.10);
  --border-section: rgba(255,255,255,0.16);
}

* { box-sizing: border-box }

body {
  font-family: Inter, system-ui, Segoe UI, Roboto, Arial;
  margin: 0;
  background: linear-gradient(180deg, #071127 0%, #081225 100%);
  color: var(--text);
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none }
a:hover { text-decoration: underline }

.container { max-width: 1000px; margin: 0 auto; padding: 24px }

/* ── HEADER / ABOUT ─────────────────────────────────────────────────── */
.site-header {
  border-bottom: 1px solid var(--border);
  padding: 48px 0 40px;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

@media (min-width: 720px) {
  .about-grid { grid-template-columns: 1fr 320px; align-items: start; }
}

.about-label {
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 8px;
}

.site-header h1 {
  margin: 0 0 4px;
  font-size: 36px;
  font-weight: 700;
  line-height: 1.1;
}

.about-title {
  color: var(--muted);
  margin: 0 0 16px;
  font-size: 16px;
}

.about-summary {
  color: var(--muted);
  margin: 0 0 24px;
  font-size: 15px;
  max-width: 580px;
}

.about-summary strong { color: var(--text) }

.about-links { display: flex; gap: 10px; flex-wrap: wrap }

.btn {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  background: var(--accent);
  color: #071127;
  transition: opacity .15s;
}
.btn:hover { opacity: .85; text-decoration: none }

.btn-ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid rgba(110,231,183,0.35);
}
.btn-ghost:hover { background: var(--accent-dim); text-decoration: none }

/* Stack panel */
.stack-panel {
  background: var(--card2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
}

.panel-label {
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 10px;
}

.stack-grid { display: flex; flex-wrap: wrap; gap: 8px }

.pill {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--accent-dim);
  color: var(--accent);
  font-weight: 500;
}

.pill-muted {
  background: rgba(255,255,255,0.05);
  color: var(--muted);
}

/* ── SECTIONS ───────────────────────────────────────────────────────── */
.section {
  margin-top: 48px;
  padding-top: 48px;
  border-top: 1px solid var(--border-section);
}

.section-title {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--text);
}

.section-sub {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 18px;
}

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

.tl-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 24px 0;
  border-top: 1px solid var(--border-section);
}

@media (min-width: 600px) {
  .tl-item { grid-template-columns: 160px 1fr; gap: 24px }
}

.tl-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 2px;
}

.tl-date {
  font-size: 12px;
  color: var(--muted);
  white-space: nowrap;
}

.tl-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 20px;
  width: fit-content;
}

.tl-badge.current {
  background: var(--accent-dim);
  color: var(--accent);
}

.tl-body h3 {
  margin: 0 0 2px;
  font-size: 16px;
  font-weight: 600;
}

.tl-company {
  font-size: 13px;
  color: var(--accent);
  margin: 0 0 10px;
}

.tl-body ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 14px;
}

.tl-body ul li { margin-bottom: 4px }
.tl-body ul li a { font-size: 13px }

/* ── EDUCATION ──────────────────────────────────────────────────────── */
.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 16px;
}

@media (min-width: 640px) {
  .edu-grid { grid-template-columns: repeat(4, 1fr) }
}

.edu-item {
  background: var(--card2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.edu-degree {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
}

.edu-field {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.edu-inst {
  font-size: 12px;
  color: var(--muted);
}

/* ── PROJECTS ───────────────────────────────────────────────────────── */
.projects {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 640px) {
  .projects { grid-template-columns: 1fr 1fr }
}

.project {
  display: flex;
  gap: 16px;
  background: linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0.01));
  border: 1px solid var(--border);
  padding: 16px;
  border-radius: 10px;
  align-items: flex-start;
}

.project img {
  width: 300px;
  height: 200px;
  object-fit: cover;
  border-radius: 6px;
  flex-shrink: 0;
}

.project-body h3 { margin: 0 0 6px; font-size: 14px }
.project-body p  { margin: 4px 0; color: var(--muted); font-size: 13px }
.project-body a  { font-size: 13px; font-weight: 600 }

/* ── FOOTER ─────────────────────────────────────────────────────────── */
.footer {
  margin: 52px 0 56px;
  color: var(--muted);
  font-size: 14px;
  border-top: 1px solid var(--border);
  padding-top: 24px;
}