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

:root {
  --bg: #0a0a0f;
  --bg2: #111118;
  --surface: #16161f;
  --border: #2a2a3a;
  --accent: #6c63ff;
  --accent2: #00d4aa;
  --text: #f0eff8;
  --text-muted: #8b8aa8;
  --font-main: 'Space Grotesk', sans-serif;
  --font-mono: 'DM Mono', monospace;
}

body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===== HEADER ===== */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.navbar-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--accent);
}

nav ul { list-style: none; display: flex; gap: 2rem; }

nav a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: color 0.2s;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width 0.25s;
}

nav a:hover, nav a.active { color: var(--text); }
nav a:hover::after, nav a.active::after { width: 100%; }

/* ===== MAIN ===== */
#content {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem 2rem 4rem;
  flex: 1;
}

/* ===== PAGE HEADER ===== */
.page-header {
  margin-bottom: 2.5rem;
}

.page-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent2);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 0.5rem;
}

.page-header h1 {
  font-size: 2.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-sub {
  margin-top: 0.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ===== GRID LAYOUT ===== */
.about-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1.5rem;
  align-items: start;
}

/* ===== PANEL ===== */
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.panel:last-child { margin-bottom: 0; }

.panel-title {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.dot.edu { background: var(--accent); }
.dot.exp { background: var(--accent2); }
.dot.skill { background: #f4a261; }

/* ===== TIMELINE (Education) ===== */
.timeline { display: flex; flex-direction: column; }

.timeline-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.tl-icon {
  width: 38px;
  height: 38px;
  min-width: 38px;
  border-radius: 8px;
  background: var(--bg2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.tl-icon img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.tl-body { flex: 1; padding-top: 2px; }

.tl-body h3 {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}

.tl-major {
  display: block;
  font-size: 0.78rem;
  color: var(--accent2);
  font-family: var(--font-mono);
  margin-top: 2px;
}

.tl-year {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-top: 2px;
}

.tl-connector {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 6px 0 6px 18px;
}

.timeline-item.featured .tl-icon {
  border-color: var(--accent);
  background: rgba(108, 99, 255, 0.1);
}

.timeline-item.featured .tl-body h3 {
  color: var(--accent);
}

/* ===== RIGHT COL ===== */
.right-col { display: flex; flex-direction: column; gap: 0; }

/* ===== EXPERIENCE LIST ===== */
.exp-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.exp-item {
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--border);
}

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

.exp-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.exp-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
}

.exp-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(108, 99, 255, 0.15);
  color: #9b8fff;
  border: 1px solid rgba(108, 99, 255, 0.3);
  font-weight: 500;
}

.exp-badge.camp {
  background: rgba(0, 212, 170, 0.1);
  color: #00d4aa;
  border-color: rgba(0, 212, 170, 0.25);
}

.exp-badge.vol {
  background: rgba(244, 162, 97, 0.1);
  color: #f4a261;
  border-color: rgba(244, 162, 97, 0.25);
}

.exp-badge.comp {
  background: rgba(230, 57, 70, 0.1);
  color: #e35d6a;
  border-color: rgba(230, 57, 70, 0.2);
}

.exp-org {
  font-size: 0.8rem;
  color: var(--accent2);
  font-family: var(--font-mono);
  margin-top: 3px;
}

.exp-year {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-top: 1px;
}

.exp-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-top: 4px;
}

/* ===== SKILLS GRID ===== */
.skill-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.skill-block.cert {
  grid-column: 1 / -1;
}

.skill-category {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.skill-tags span {
  font-size: 0.78rem;
  padding: 3px 10px;
  border-radius: 4px;
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-mono);
}

.skill-tags .cert-tag {
  background: rgba(244, 162, 97, 0.08);
  border-color: rgba(244, 162, 97, 0.25);
  color: #f4a261;
}

/* ===== FOOTER ===== */
footer {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 1.2rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 800px) {
  .about-grid { grid-template-columns: 1fr; }
  .skill-grid { grid-template-columns: 1fr; }
  .skill-block.cert { grid-column: 1; }
}

@media (max-width: 500px) {
  .page-header h1 { font-size: 2rem; }
  .navbar-container { padding: 0 1rem; }
  nav ul { gap: 1.2rem; }
}