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

:root {
  --bg: #1a1a2e;
  --bg-section: #16213e;
  --text: #e0e0e0;
  --text-muted: #8a8a9a;
  --accent: #e94560;
  --accent-2: #0f3460;
  --border: #2a2a4a;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

main {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

h2 {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
  margin-top: 0.5rem;
}

.projects-heading {
  margin-top: 2rem;
}

/* Intro: sprite left + cover letter right */
#intro {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  padding: 3rem 0 2rem;
  position: relative;
}

.intro-text p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text);
}

/* Content section */
#content {
  padding: 0 0 2rem;
}

/* Experiences */
.experience-row {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 0.8rem 1rem;
  margin-bottom: 0.25rem;
  margin-left: 0;
  border-radius: 8px;
  text-decoration: none;
  color: var(--text);
  transition: background 0.2s, border-color 0.2s;
  border: 1px solid transparent;
  position: relative;
}

.experience-row:hover {
  background: var(--bg-section);
  border-color: var(--border);
}

/* Highlight when sprite is on this row */
.experience-row.sprite-here {
  background: var(--bg-section);
  border-color: var(--accent);
  box-shadow: 0 0 12px rgba(233, 69, 96, 0.1);
}

.exp-icon {
  flex-shrink: 0;
  width: 88px;
  height: 88px;
}

.icon-placeholder {
  width: 88px;
  height: 88px;
  border-radius: 10px;
  image-rendering: pixelated;
}

.icon-placeholder.rocket { background: #e94560; }
.icon-placeholder.satellite { background: #4ecdc4; }
.icon-placeholder.lab { background: #3498db; }
.icon-placeholder.chip { background: #9b59b6; }

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

.exp-title {
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 0.15rem;
}

.exp-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.exp-arrow {
  flex-shrink: 0;
  font-size: 1.1rem;
  color: var(--text-muted);
  transition: transform 0.2s, color 0.2s;
}

.experience-row:hover .exp-arrow {
  transform: translateX(4px);
  color: var(--accent);
}

/* Footer */
footer {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: 1.5rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--border);
}

/* Responsive */
@media (max-width: 600px) {
  main {
    padding: 0 1rem;
  }

  #intro {
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    padding-top: 2rem;
  }

  .intro-text p {
    font-size: 1rem;
  }

  .experience-row {
    padding: 0.7rem 0.8rem;
    gap: 0.8rem;
  }

  .experience-row { margin-left: 0; }
  .exp-icon { width: 64px; height: 64px; }
  .icon-placeholder { width: 64px; height: 64px; }
}