/* ================================================
   Mark Moberg — markmoberg.com
   Design System
   ================================================ */

@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,opsz,wght@0,6..72,400;0,6..72,500;0,6..72,600;1,6..72,400&family=DM+Sans:ital,wght@0,400;0,500;0,600;1,400&display=swap');

:root {
  --color-bg: #FAF8F4;
  --color-bg-alt: #F2EFE9;
  --color-bg-card: #FFFFFF;
  --color-text: #2C2A25;
  --color-text-muted: #6B6860;
  --color-text-light: #9B978E;
  --color-accent: #1A6B5E;
  --color-accent-light: #E8F3F0;
  --color-accent-dark: #114A41;
  --color-warm: #B07D3A;
  --color-warm-light: #F5EDE0;
  --color-border: #E2DED6;
  --color-border-light: #EDEAE4;

  --font-heading: 'Newsreader', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, sans-serif;

  --max-width: 1080px;
  --content-width: 720px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 3rem;
  --space-xl: 5rem;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
}

img { max-width: 100%; display: block; }
a { color: var(--color-accent); text-decoration: none; }
a:hover { color: var(--color-accent-dark); }

/* ---- Typography ---- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 500;
  line-height: 1.25;
  color: var(--color-text);
}

h1 { font-size: 2.5rem; letter-spacing: -0.02em; }
h2 { font-size: 1.75rem; letter-spacing: -0.01em; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }

p { margin-bottom: 1.25rem; }
p:last-child { margin-bottom: 0; }

.lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

blockquote {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--color-text-muted);
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-md);
  margin: var(--space-lg) 0;
}

/* ---- Layout ---- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.content-narrow {
  max-width: var(--content-width);
  margin: 0 auto;
}

section {
  padding: var(--space-xl) 0;
}

section + section {
  border-top: 1px solid var(--color-border-light);
}

/* ---- Navigation ---- */
.site-nav {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border-light);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.site-nav__name {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-text);
  white-space: nowrap;
}

.site-nav__name span {
  font-weight: 400;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin-left: 0.35rem;
}

.site-nav__links {
  display: flex;
  gap: var(--space-md);
  list-style: none;
  flex-wrap: wrap;
}

.site-nav__links a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  transition: color 0.2s;
}

.site-nav__links a:hover,
.site-nav__links a.active {
  color: var(--color-accent);
}

/* Mobile nav */
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--color-text); margin: 4px 0; transition: 0.2s; }

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .site-nav__links {
    display: none;
    flex-direction: column;
    width: 100%;
    padding-top: var(--space-sm);
    gap: var(--space-sm);
  }
  .site-nav__links.open { display: flex; }
  .site-nav .container { flex-wrap: wrap; }
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.4rem; }
}

/* ---- Hero ---- */
.hero {
  padding: var(--space-xl) 0;
  border-bottom: none;
}

.hero h1 {
  margin-bottom: var(--space-sm);
}

.hero .lead {
  max-width: 600px;
}

.hero__subtitle {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

/* ---- Cards ---- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
}

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: 8px;
  padding: var(--space-md);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.card:hover {
  border-color: var(--color-border);
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.card h3 {
  margin-bottom: var(--space-xs);
}

.card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.card__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  margin-bottom: var(--space-sm);
}

/* ---- Framework vocabulary table ---- */
.vocab-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-md) 0;
  font-size: 0.9rem;
}

.vocab-table th {
  text-align: left;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.75rem;
  padding: var(--space-xs) var(--space-sm);
  border-bottom: 2px solid var(--color-border);
}

.vocab-table td {
  padding: var(--space-sm);
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: top;
}

.vocab-table td:first-child {
  font-weight: 500;
  white-space: nowrap;
  color: var(--color-accent-dark);
}

/* ---- Degradation arc stages ---- */
.arc-stages {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

.arc-stage {
  padding: var(--space-md);
  border-left: 3px solid var(--color-border);
  transition: border-color 0.2s;
}

.arc-stage:nth-child(1) { border-color: var(--color-accent); }
.arc-stage:nth-child(2) { border-color: #5A9E8F; }
.arc-stage:nth-child(3) { border-color: var(--color-warm); }
.arc-stage:nth-child(4) { border-color: #A15D3A; }

.arc-stage__number {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.25rem;
}

.arc-stage h3 {
  margin-bottom: var(--space-xs);
}

.arc-stage p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* ---- Disguise cards ---- */
.disguise-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: 8px;
  padding: var(--space-md);
  margin-bottom: var(--space-sm);
}

.disguise-card__impersonates {
  font-size: 0.8rem;
  font-style: italic;
  color: var(--color-text-light);
  margin-bottom: var(--space-xs);
}

.disguise-card h4 {
  margin-bottom: var(--space-xs);
}

.disguise-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

/* ---- Article list ---- */
.article-list {
  list-style: none;
}

.article-list li {
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.article-list li:last-child {
  border-bottom: none;
}

.article-list a {
  display: block;
}

.article-list h3 {
  margin-bottom: 0.25rem;
  transition: color 0.2s;
}

.article-list a:hover h3 {
  color: var(--color-accent);
}

.article-list .article-meta {
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.article-list p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-top: 0.35rem;
}

/* ---- Article page ---- */
.article-header {
  padding: var(--space-xl) 0 var(--space-lg);
}

.article-header .container {
  max-width: var(--content-width);
}

.article-header h1 {
  font-size: 2rem;
}

.article-body {
  padding-bottom: var(--space-xl);
}

.article-body h2 {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.article-body h3 {
  margin-top: var(--space-md);
  margin-bottom: var(--space-xs);
}

/* ---- Portrait ---- */
.portrait {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  margin-bottom: var(--space-lg);
  border: 3px solid var(--color-border-light);
}

/* ---- Credential badges ---- */
.credentials {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
  margin: var(--space-sm) 0;
}

.credential {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.2rem 0.65rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  color: var(--color-text-muted);
}

/* ---- CTA ---- */
.cta-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-accent);
  margin-top: var(--space-sm);
}

.cta-link::after {
  content: '→';
  transition: transform 0.2s;
}

.cta-link:hover::after {
  transform: translateX(3px);
}

.cta-button {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  padding: 0.65rem 1.5rem;
  border-radius: 6px;
  font-weight: 500;
  font-size: 0.95rem;
  transition: background 0.2s;
}

.cta-button:hover {
  background: var(--color-accent-dark);
  color: #fff;
}

/* ---- Footer ---- */
.site-footer {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border-light);
  color: var(--color-text-light);
  font-size: 0.85rem;
}

.site-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.footer-col h4 {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.footer-col ul {
  list-style: none;
}

.footer-col a {
  color: var(--color-text-light);
  font-size: 0.85rem;
}

.footer-col a:hover { color: var(--color-accent); }

/* ---- Timeline ---- */
.timeline {
  position: relative;
  padding-left: var(--space-lg);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border-light);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-lg);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-lg) - 4px);
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-bg);
}

.timeline-item h3 {
  margin-bottom: 0.25rem;
}

.timeline-item p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ---- Utility ---- */
.text-muted { color: var(--color-text-muted); }
.text-small { font-size: 0.85rem; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }