/* ── Color tokens ── */
:root {
  --bg: #ffffff;
  --text: #1a1a1a;
  --muted: #6b6b6b;
  --divider: #e5e5e5;
  --link: #1a1a1a;
  --link-hover: #444444;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141414;
    --text: #e8e8e8;
    --muted: #888888;
    --divider: #2e2e2e;
    --link: #e8e8e8;
    --link-hover: #aaaaaa;
  }
}

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

/* ── Base ── */
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
}

/* ── Layout ── */
main {
  max-width: 640px;
  margin: 0 auto;
  padding: 3.5rem 2rem 4rem;
}

@media (max-width: 480px) {
  main {
    padding: 2.5rem 1.25rem 3rem;
  }
}

/* ── Header ── */
header {
  margin-bottom: 2.5rem;
}

.headshot {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  margin-bottom: 1rem;
}

h1 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

.tagline {
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 0.6rem;
}

.linkedin {
  font-size: 0.875rem;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--divider);
  transition: color 0.15s ease, border-color 0.15s ease;
}

.linkedin:hover {
  color: var(--text);
  border-color: var(--muted);
}

/* ── Experience ── */
.experience {
  border-top: 1px solid var(--divider);
  padding-top: 2rem;
  margin-bottom: 3rem;
}

.experience h2 {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.25rem;
}

.experience-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.exp-header {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.2rem;
}

.exp-company {
  font-size: 0.9375rem;
  font-weight: 500;
}

.exp-meta {
  font-size: 0.8125rem;
  color: var(--muted);
}

.exp-desc {
  font-size: 0.875rem;
  color: var(--muted);
}

/* ── Projects ── */
.projects {
  border-top: 1px solid var(--divider);
  padding-top: 2rem;
  margin-bottom: 3rem;
}

.projects h2 {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.25rem;
}

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

.project-list a {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  min-height: 44px;
  align-items: center;
  color: var(--link);
  text-decoration: none;
  padding: 0.25rem 0;
  border-radius: 4px;
  transition: color 0.15s ease;
}

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

.project-name {
  font-size: 0.9375rem;
  font-weight: 500;
  flex-shrink: 0;
}

.project-desc {
  font-size: 0.875rem;
  color: var(--muted);
}

@media (max-width: 480px) {
  .project-list a {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.15rem;
  }
}

/* ── Easter egg ── */
#easter-egg {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  font-size: 1.5rem;
  font-weight: 600;
  pointer-events: none;
  opacity: 0;
  z-index: 100;
}

#easter-egg.active {
  animation: egg-flash 1.8s ease forwards;
}

@keyframes egg-flash {
  0%   { opacity: 0; transform: scale(0.85); }
  15%  { opacity: 1; transform: scale(1.05); }
  40%  { opacity: 1; transform: scale(1); }
  80%  { opacity: 1; }
  100% { opacity: 0; transform: scale(1); }
}

.projects.reveal {
  animation: reveal-drop 0.5s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes reveal-drop {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Footer ── */
footer {
  border-top: 1px solid var(--divider);
  padding-top: 1.5rem;
}

footer p {
  font-size: 0.8125rem;
  color: var(--muted);
}