/* ═══════════════════════════════════════════
   THE TYPOGRAPHER
   Typography-driven, nearly monochrome design.
   Personality from font choices, spacing, proportions.
   ═══════════════════════════════════════════ */

:root {
  --color-bg: #FFFFFF;
  --color-bg-subtle: #FAFAFA;
  --color-text: #111111;
  --color-text-secondary: #555555;
  --color-text-tertiary: #888888;
  --color-accent: #C41E3A;
  --color-border: #E0E0E0;
  --color-blockquote-border: #D0D0D0;
  --color-code-bg: #F5F5F5;
  --color-link: #111111;
  --color-link-hover: #C41E3A;

  --font-body: 'Helvetica Neue', Helvetica, Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'IBM Plex Mono', 'Menlo', monospace;

  --width-reading: 680px;
  --width-max: 780px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg: #111111;
    --color-bg-subtle: #1A1A1A;
    --color-text: #E8E8E8;
    --color-text-secondary: #AAAAAA;
    --color-text-tertiary: #777777;
    --color-accent: #E25A6E;
    --color-border: #2A2A2A;
    --color-blockquote-border: #3A3A3A;
    --color-code-bg: #1E1E1E;
    --color-link: #E8E8E8;
    --color-link-hover: #E25A6E;
  }
}

[data-theme="dark"] {
  --color-bg: #111111;
  --color-bg-subtle: #1A1A1A;
  --color-text: #E8E8E8;
  --color-text-secondary: #AAAAAA;
  --color-text-tertiary: #777777;
  --color-accent: #E25A6E;
  --color-border: #2A2A2A;
  --color-blockquote-border: #3A3A3A;
  --color-code-bg: #1E1E1E;
  --color-link: #E8E8E8;
  --color-link-hover: #E25A6E;
}

/* ── Reset & Base ── */

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

html {
  font-size: 16px;
  min-height: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  background-color: var(--color-bg);
  overscroll-behavior-y: none;
}

body {
  font-family: var(--font-body);
  min-height: 100vh;
  color: var(--color-text);
  line-height: 1.6;
  transition: color 0.3s ease;
}

/* ── Navigation ── */

nav {
  max-width: var(--width-max);
  margin: 0 auto;
  padding: 2rem 1.5rem 0;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.9rem;
}

nav a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

nav a:hover {
  color: var(--color-link-hover);
}

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

.nav-home {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text) !important;
  letter-spacing: -0.02em;
}

.nav-right {
  display: flex;
  gap: 1.5rem;
  align-items: baseline;
}

.theme-toggle {
  background: none;
  border: none;
  color: var(--color-text-tertiary);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0;
  font-family: var(--font-body);
  transition: color 0.2s ease;
}

.theme-toggle:hover {
  color: var(--color-text);
}

.lang-toggle {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
}

/* ── Main Content Area ── */

main {
  max-width: var(--width-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Homepage ── */

.hero-collapse {
  height: calc(8rem + 40vh);
  margin-top: 6rem;
}

.page-home .hero {
  position: sticky;
  top: 1rem;
  z-index: 50;
  background: var(--color-bg);
  padding-bottom: 1.5rem;
}

.page-home .hero h1 {
  font-size: clamp(2.75rem, 9vw, 5.5rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.02;
  margin-bottom: 0.9rem;
}

.page-home .hero .tagline {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-text-tertiary);
  letter-spacing: 0.02em;
}

/* ── Wordmark Row ── */

.wordmark-row {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem 1.6rem;
  margin-top: 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
}

.wordmark-row li {
  margin: 0;
  padding: 0;
}

.hero .hero-link {
  color: var(--color-text-tertiary);
  text-decoration: none;
  transition: color 0.2s;
}

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

.ascii-sticky {
  position: sticky;
  top: 8rem;
  height: 40vh;
  z-index: 1;
}

.content-layer {
  position: relative;
  z-index: 20;
  background: var(--color-bg);
}

.page-home .bio {
  max-width: var(--width-reading);
  margin-bottom: 5rem;
  padding-top: 2rem;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--color-text-secondary);
}

.page-home .bio p + p {
  margin-top: 1rem;
}

.page-home .bio a {
  color: var(--color-text);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color 0.2s ease;
}

.page-home .bio a:hover {
  color: var(--color-link-hover);
}

.page-home .thoughts-section h2 {
  font-size: 0.9rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-tertiary);
  margin-bottom: 2rem;
}

/* ── Article List (homepage + thoughts page) ── */
.article-list {
  list-style: none;
  max-width: var(--width-reading);
}

.article-list li {
  padding: 1.1rem 0;
  border-top: 1px solid var(--color-border);
}

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

.article-list a {
  text-decoration: none;
  color: var(--color-text);
  display: block;
}

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

.article-title {
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 1.4;
  transition: color 0.2s ease;
  letter-spacing: -0.01em;
}

.article-description {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--color-text-tertiary);
  margin-top: 0.35rem;
}

.article-date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-tertiary);
  margin-top: 0.5rem;
  letter-spacing: 0.02em;
}

/* ── Thoughts Page ── */

.page-thoughts {
  margin-top: 6rem;
}

.page-thoughts h1 {
  font-size: 0.9rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-tertiary);
  margin-bottom: 2rem;
  font-weight: 400;
}

.page-thoughts .note {
  font-size: 0.85rem;
  color: var(--color-text-tertiary);
  margin-bottom: 2rem;
}

/* ── Article Page ── */

.article-header {
  margin-top: 6rem;
  margin-bottom: 3.5rem;
  max-width: var(--width-reading);
}

.article-header h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.25;
  margin-bottom: 1rem;
}

.article-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  letter-spacing: 0.02em;
}

.article-body {
  font-size: 1.125rem;
  line-height: 1.6;
}

.article-body p {
  margin-bottom: 1.5rem;
}

.article-body h2 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-text);
  margin-top: 3rem;
  margin-bottom: 1.2rem;
  letter-spacing: -0.02em;
}

.article-body h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.article-body blockquote {
  margin: 2rem 0;
  padding: 0 0 0 1.5rem;
  border-left: 2px solid var(--color-blockquote-border);
  color: var(--color-text-tertiary);
  font-style: italic;
}

.article-body blockquote p {
  margin-bottom: 0;
}

/* ── Pull Quote ── */

.pull-quote {
  position: relative;
  margin: 3rem 0;
  padding: 0.2rem 0 0.2rem 1.6rem;
  border-left: 2px solid var(--color-accent);
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--color-accent);
}

.pull-quote::before {
  content: '\201C';
  position: absolute;
  left: 0.95rem;
  top: -0.15em;
  font-family: var(--font-body);
  font-size: 2.5rem;
  line-height: 1;
  color: var(--color-accent);
  opacity: 0.3;
}

.article-body code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--color-code-bg);
  padding: 0.15em 0.4em;
  border-radius: 3px;
}

.article-body pre {
  background: var(--color-code-bg);
  padding: 1.5rem;
  border-radius: 4px;
  overflow-x: auto;
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
  line-height: 1.6;
}

.article-body pre code {
  background: none;
  padding: 0;
}

.article-body figure {
  margin: 2.5rem 0;
}

.article-body figure img {
  width: 100%;
  display: block;
}

.article-body figcaption {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-tertiary);
  margin-top: 0.7rem;
  letter-spacing: 0.02em;
}

.article-body img {
  max-width: 100%;
  height: auto;
  margin: 2rem 0;
  display: block;
}

.article-body ul,
.article-body ol {
  margin-bottom: 1.5rem;
  padding-left: 0.66rem;
  line-height: 1.75;
}

.article-body li {
  margin-bottom: 0.5rem;
}

.article-body hr {
  margin: 2.5rem 0;
}

.article-body hr::before {
  content: '...';
  font-size: 1.5rem;
  letter-spacing: 0.6em;
  color: var(--color-text-tertiary);
}

.article-nav {
  max-width: var(--width-reading);
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.article-nav a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-tertiary);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.2s ease;
}

.article-nav a:hover {
  color: var(--color-link-hover);
}

/* ── Shared Prose (article-body + about-body) ── */

.article-body,
.about-body {
  max-width: var(--width-reading);
  color: var(--color-text-secondary);
}

.article-body {
  max-width: 640px;
}

.article-body a,
.about-body a {
  color: var(--color-text);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color 0.2s ease;
}

.article-body a:hover,
.about-body a:hover {
  color: var(--color-link-hover);
}

.article-body strong,
.about-body strong {
  font-weight: 600;
  color: var(--color-text);
}

.article-body li::marker,
.about-body li::marker {
  color: var(--color-accent);
}

.article-body hr,
.about-body hr {
  border: none;
  text-align: center;
}

/* ── About Page ── */

.page-about {
  margin-top: 6rem;
}

.page-about > h1 {
  font-size: 0.9rem;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-tertiary);
  margin-bottom: 3rem;
  font-weight: 400;
}

.about-body {
  font-size: 1.05rem;
  line-height: 1.78;
}

.about-body p {
  margin-bottom: 1.6rem;
}

.about-body h2 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-top: 3.5rem;
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}

.about-body h2:first-child {
  margin-top: 0;
}

.about-body ul {
  margin-top: 0.5rem;
  margin-bottom: 2rem;
  padding-left: 1.5rem;
  line-height: 1.8;
  list-style-type: disc;
}

.about-body li {
  margin-bottom: 0.6rem;
  padding-left: 0.3rem;
}

.about-body h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.about-body ol {
  margin-top: 0.5rem;
  margin-bottom: 2rem;
  padding-left: 1.5rem;
  line-height: 1.8;
}

.about-body ol li {
  margin-bottom: 0.6rem;
  padding-left: 0.3rem;
}

.about-body hr {
  margin: 3rem 0 2.5rem;
}

.about-body hr::before {
  content: '· · ·';
  font-size: 1rem;
  letter-spacing: 0.3em;
  color: var(--color-text-tertiary);
}

/* ── Book Section ── */

.book-section {
  display: flex;
  gap: 2.5rem;
  align-items: flex-start;
  margin: 2rem 0 2.5rem;
}

.book-cover {
  flex-shrink: 0;
}

.book-cover img {
  display: block;
  width: 200px;
  height: auto;
  border-radius: 4px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.book-cover img:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.book-info {
  flex: 1;
}

.book-info p {
  margin-bottom: 0.8rem;
}

.book-info ul {
  margin-top: 0.5rem;
  margin-bottom: 0;
}

/* ── Media Embeds ── */

.media-embed {
  margin: 2rem 0 2.5rem;
}

.media-embed iframe {
  width: 100%;
  max-width: 560px;
  height: 315px;
  border: none;
  border-radius: 4px;
}

.podcast-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  text-decoration: none !important;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.podcast-link:hover {
  border-color: var(--color-accent);
  background: var(--color-bg);
}

.podcast-play {
  font-size: 1.2rem;
  color: var(--color-accent);
}

.podcast-label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  letter-spacing: 0.01em;
}

.about-portrait {
  display: flex;
  justify-content: center;
  margin-top: 3.5rem;
  padding-bottom: 1rem;
}

.about-portrait img {
  display: block;
  width: 148px;
  height: auto;
  border-radius: 100%;
  box-shadow: inset 0 0 0 2px var(--color-bg);
  opacity: 0.95;
  transition: opacity 0.3s ease;
}

.about-portrait img:hover {
  opacity: 1;
}

/* ── Footer ── */

footer {
  max-width: var(--width-max);
  margin: 0 auto;
  margin-top: 6rem;
  padding: 5rem 1.5rem 3rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-tertiary);
  letter-spacing: 0.02em;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

footer a {
  color: var(--color-text-tertiary);
  text-decoration: none;
  transition: color 0.2s ease;
}

footer a:hover {
  color: var(--color-link-hover);
}

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

/* ── Responsive ── */

@media (max-width: 600px) {
  nav {
    padding: 1.5rem 1.25rem 0;
  }

  main {
    padding: 0 1.25rem;
  }

  .hero-collapse {
    height: calc(7rem + 30vh);
    margin-top: 4rem;
  }

  .ascii-sticky {
    height: 30vh;
  }

  .page-home .hero h1 {
    font-size: clamp(2.4rem, 14vw, 3.2rem);
    letter-spacing: -0.02em;
    line-height: 1.05;
  }

  .wordmark-row {
    gap: 0.7rem 1.2rem;
    font-size: 0.65rem;
  }

  .page-home .bio {
    font-size: 1rem;
    margin-bottom: 3.5rem;
  }

  .page-thoughts {
    margin-top: 4rem;
  }

  .article-header {
    margin-top: 4rem;
    margin-bottom: 2.5rem;
  }

  .article-header h1 {
    font-size: 1.6rem;
  }

  .article-body {
    font-size: 1.05rem;
  }

  .page-about {
    margin-top: 4rem;
  }

  .about-body {
    font-size: 1rem;
  }

  .about-portrait img {
    width: 120px;
  }

  .book-section {
    flex-direction: column;
    gap: 1.5rem;
  }

  .book-cover img {
    width: 160px;
  }

  .media-embed iframe {
    height: 200px;
  }

  footer {
    padding: 4rem 1.25rem 2.5rem;
    flex-direction: column;
    gap: 0.5rem;
  }
}

/* ── Slide Overview (before .slide-inner) ── */

.slide-overview {
  margin: 2rem 0 1.25rem;
}

.slide-overview__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.slide-overview__item {
  margin: 0;
  padding: 0;
}

.slide-overview__button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-secondary);
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.01em;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.slide-overview__button:hover {
  border-color: var(--color-text-tertiary);
  color: var(--color-text);
}

.slide-overview__button.is-active {
  border-color: var(--color-accent);
  background: color-mix(in srgb, var(--color-accent) 12%, transparent);
  color: var(--color-text);
}

.slide-overview__dot {
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 999px;
  background: var(--color-border);
}

.slide-overview__button.is-active .slide-overview__dot {
  background: var(--color-accent);
}

.slide-inner .is-selected {
  outline: 2px solid color-mix(in srgb, var(--color-accent) 40%, transparent);
  outline-offset: 6px;
  border-radius: 6px;
}