/* ─── Variables ─────────────────────────────────────────── */
:root {
  --color-bg:      #f4f0e8;
  --color-bg2:     #ece8e0;
  --color-bg-outer:#cdc6bc;
  --color-text:    #121018;
  --color-body:    #262030;
  --color-muted:   #8878a0;
  --color-accent:  #2c4898;
  --color-border:  #d0c8c0;
  --font-mono:     'IBM Plex Mono', monospace;
  --font-display:  'Chakra Petch', sans-serif;
  --max-width:     820px;
  --space:         1.5rem;
}

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

/* ─── Base ───────────────────────────────────────────────── */
html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--color-bg-outer);
  font-family: var(--font-mono);
  font-weight: 300;
  line-height: 1.6;
  padding: 0;
  min-height: 100vh;
}

/* ─── Background noise (SVG turbulence) ─────────────────── */
.bg-noise {
  position: fixed;
  inset: 0;
  background: var(--color-bg-outer);
  filter: url(#grain);
  z-index: -1;
  pointer-events: none;
}

/* ─── Page wrapper (the paper card) ─────────────────────── */
.page-wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  background: var(--color-bg);
  min-height: 100vh;
  box-shadow: 0 0 60px rgba(0,0,0,0.10);
  display: flex;
  flex-direction: column;
}

.page-wrap main {
  flex: 1;
  padding: 0 var(--space);
}

/* ─── Links ──────────────────────────────────────────────── */
a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
}

a:hover {
  border-bottom-color: var(--color-accent);
}

/* ─── Navigation ─────────────────────────────────────────── */
.site-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space) var(--space);
  border-bottom: 1px dashed var(--color-border);
  margin-bottom: calc(var(--space) * 2);
}

.nav-name {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--color-text);
  text-decoration: none;
  border-bottom: none;
}

.nav-right {
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--color-muted);
  text-decoration: none;
  border-bottom: none;
}

.nav-links a:hover {
  color: var(--color-accent);
}

.nav-links a[aria-current="page"] {
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 0.1rem;
}

/* ─── Page file comment ──────────────────────────────────── */
.page-file {
  font-family: var(--font-mono);
  font-size: 0.57rem;
  color: var(--color-border);
  letter-spacing: 0.08em;
  margin-bottom: 0.55rem;
}

/* ─── Typography ─────────────────────────────────────────── */
h1 {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: 0.02em;
  margin-bottom: var(--space);
  color: var(--color-text);
}

h2 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 400;
  line-height: 1.3;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

h3 {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 400;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}

p {
  font-size: 0.82rem;
  color: var(--color-body);
  margin-bottom: var(--space);
}

/* ─── Article content ────────────────────────────────────── */
article > header {
  margin-bottom: calc(var(--space) * 1.5);
}

article > header h1 {
  margin-bottom: 0.35rem;
}

article > header .tag-list {
  margin-top: 0.4rem;
}

article time {
  display: block;
  font-family: var(--font-mono);
  color: var(--color-muted);
  font-size: 0.58rem;
  letter-spacing: 0.06em;
}

article .content > * + * {
  margin-top: var(--space);
}

/* ─── Project list ───────────────────────────────────────── */
.project-list {
  list-style: none;
}

.project-list li {
  padding: var(--space) 0;
  border-top: 1px dotted var(--color-border);
}

.project-list li:last-child {
  border-bottom: 1px dotted var(--color-border);
}

.project-header {
  margin-bottom: 0.25rem;
}

.project-header h2,
.project-header h3 {
  margin-bottom: 0;
}

.project-header h2 a,
.project-header h3 a {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 400;
  text-decoration: none;
  border-bottom: none;
  color: var(--color-accent);
  letter-spacing: 0.02em;
}

.project-header h2 a:hover,
.project-header h3 a:hover {
  color: var(--color-text);
}

.project-status {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.project-list p {
  margin-bottom: 0;
  color: var(--color-body);
  font-size: 0.78rem;
  font-weight: 300;
}

/* ─── Tags ───────────────────────────────────────────────── */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
  list-style: none;
  margin: 0.35rem 0;
  padding: 0;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--color-accent);
  background: var(--color-bg2);
  border: 1px dotted var(--color-border);
  padding: 0.15rem 0.45rem;
  white-space: nowrap;
  line-height: 1.4;
}

/* ─── Post list ──────────────────────────────────────────── */
.post-list {
  list-style: none;
}

.post-list li {
  padding: var(--space) 0;
  border-top: 1px dotted var(--color-border);
}

.post-list li:last-child {
  border-bottom: 1px dotted var(--color-border);
}

.post-list a {
  display: block;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 400;
  text-decoration: none;
  border-bottom: none;
  color: var(--color-text);
  margin-bottom: 0.2rem;
  letter-spacing: 0.02em;
}

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

.post-list time {
  display: block;
  font-family: var(--font-mono);
  color: var(--color-muted);
  font-size: 0.58rem;
  letter-spacing: 0.06em;
  margin-bottom: 0.25rem;
}

.post-list p {
  margin-bottom: 0;
  color: var(--color-body);
  font-size: 0.78rem;
  font-weight: 300;
}

/* ─── About Page ─────────────────────────────────────────── */

.about-intro {
  font-size: 0.82rem;
  font-weight: 300;
  line-height: 1.6;
  margin-bottom: calc(var(--space) * 2);
  color: var(--color-body);
}

.about-cv {
  display: flex;
  flex-direction: column;
}

.about-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  column-gap: 2.5rem;
  padding: calc(var(--space) * 1.1) 0;
  border-top: 1px dotted var(--color-border);
}

.about-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  font-weight: 400;
  padding-top: 0.15rem;
  line-height: 1.4;
}

.about-body {
  font-size: 0.82rem;
  font-weight: 300;
  line-height: 1.6;
  color: var(--color-body);
}

.about-body p {
  margin-bottom: 0.6rem;
}

.about-body p:last-child {
  margin-bottom: 0;
}

.about-body ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.about-body ul li {
  display: flex;
  gap: 0.6rem;
  padding: 0.1rem 0;
  color: var(--color-body);
}

.about-body ul li::before {
  content: "–";
  color: var(--color-muted);
  flex-shrink: 0;
}

.about-body strong {
  color: var(--color-text);
  font-weight: 400;
}

/* ─── Social Page ────────────────────────────────────────── */
.social-intro {
  font-size: 0.82rem;
  font-weight: 300;
  line-height: 1.6;
  margin-bottom: calc(var(--space) * 2);
  color: var(--color-body);
}

.social-links {
  display: flex;
  flex-direction: column;
}

.social-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  column-gap: 2.5rem;
  padding: calc(var(--space) * 1.1) 0;
  border-top: 1px dotted var(--color-border);
}

.social-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  font-weight: 400;
  padding-top: 0.15rem;
  line-height: 1.4;
}

.social-link {
  font-size: 0.82rem;
  font-weight: 300;
  line-height: 1.6;
  color: var(--color-body);
}

/* ─── Footer ─────────────────────────────────────────────── */
footer {
  background: var(--color-bg2);
  border-top: 1px dashed var(--color-border);
  margin-top: calc(var(--space) * 3);
  padding: 0.55rem var(--space);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-links {
  display: flex;
  gap: 1.2rem;
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--color-muted);
  text-decoration: none;
  border-bottom: none;
  letter-spacing: 0.04em;
}

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

.status-bar {
  font-family: var(--font-mono);
  font-size: 0.52rem;
  color: var(--color-border);
  letter-spacing: 0.08em;
}

.status-mode {
  color: var(--color-accent);
}

/* ─── Focus styles ──────────────────────────────────────── */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 1px;
}

/* ─── Back link ──────────────────────────────────────────── */
.back-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--color-muted);
  letter-spacing: 0.04em;
  border-bottom: none;
  margin-bottom: 1rem;
}

.back-link:hover {
  color: var(--color-accent);
}

/* ─── Prose (article content) ────────────────────────────── */
.content {
  margin-top: var(--space);
}

.content > * + * {
  margin-top: var(--space);
}

.content p {
  font-size: 0.82rem;
  font-weight: 300;
  line-height: 1.6;
  color: var(--color-body);
  margin-bottom: 0;
}

.content h2 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--color-text);
  margin-top: calc(var(--space) * 2);
  margin-bottom: 0;
}

.content h3 {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--color-text);
  margin-top: calc(var(--space) * 1.5);
  margin-bottom: 0;
}

.content ul,
.content ol {
  padding-left: 1.2rem;
  font-size: 0.82rem;
  font-weight: 300;
  line-height: 1.6;
  color: var(--color-body);
}

.content li + li {
  margin-top: 0.25rem;
}

.content blockquote {
  border-left: 2px solid var(--color-border);
  padding-left: 1rem;
  color: var(--color-muted);
  font-style: normal;
}

.content code {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  background: var(--color-bg2);
  color: var(--color-accent);
  padding: 0.1em 0.35em;
  border-radius: 2px;
}

.content pre {
  background: var(--color-bg2);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  padding: 1rem;
  overflow-x: auto;
}

.content pre code {
  background: none;
  padding: 0;
  font-size: 0.76rem;
  color: var(--color-body);
}

.content img {
  max-width: 100%;
  height: auto;
  border-radius: 2px;
  display: block;
}

.content a {
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-border);
}

.content a:hover {
  border-bottom-color: var(--color-accent);
}

.content hr {
  border: none;
  border-top: 1px dotted var(--color-border);
  margin: calc(var(--space) * 1.5) 0;
}

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 820px) {
  .bg-noise { display: none; }
  body { background-color: var(--color-bg); }

  .site-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
  }

  .nav-right {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
  }

  .about-row {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }

  .about-portrait {
    width: 100px;
  }

  .social-row {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }

  .project-header {
    flex-direction: column;
    gap: 0.25rem;
  }
}

/* ─── Homepage ───────────────────────────────────────────── */
.home-hero {
  margin-bottom: calc(var(--space) * 2.5);
}

.home-tagline {
  font-size: 0.82rem;
  font-weight: 300;
  color: var(--color-body);
  line-height: 1.6;
  margin-bottom: 0.25rem;
}

.home-jobtitle {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--color-muted);
  letter-spacing: 0.06em;
  margin-bottom: 0;
}

.home-section {
  margin-bottom: calc(var(--space) * 2.5);
}

.home-section-label {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.home-section-label::before {
  content: '▸';
  font-size: 0.5rem;
}

.home-section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

.home-more {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--color-accent);
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--color-border);
  margin-top: 0.75rem;
  padding-bottom: 0.05rem;
}

.home-more:hover {
  border-bottom-color: var(--color-accent);
}

.home-section + .home-section {
  border-top: 1px dashed var(--color-border);
  padding-top: calc(var(--space) * 2);
}