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

img {
  max-width: 100%;
  display: block;
}

/* ----------------------------------------------------------------
   Design tokens
---------------------------------------------------------------- */
:root {
  /* Warm paper palette */
  --bg:           #fafaf7;
  --bg-subtle:    #f0efe9;
  --bg-tint:      #e8e6dd;
  --text:         #2c2c2a;
  --text-2:       #5f5e5a;
  --text-muted:   #888780;
  --text-faint:   #b4b2a9;
  --border:       #d3d1c7;

  /* Type */
  --serif: 'Newsreader', 'Source Serif 4', 'Iowan Old Style', Georgia, serif;
  --mono:  'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  /* Layout */
  --max-w: 860px;
  --gutter: clamp(1.5rem, 5vw, 4.5rem);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:           #1a1a18;
    --bg-subtle:    #242420;
    --bg-tint:      #2c2c2a;
    --text:         #e8e6dd;
    --text-2:       #b4b2a9;
    --text-muted:   #888780;
    --text-faint:   #5f5e5a;
    --border:       #3a3a35;
  }
}

/* ----------------------------------------------------------------
   Base
---------------------------------------------------------------- */
html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  font-feature-settings: 'kern', 'liga', 'onum';
}

::selection {
  background: var(--bg-tint);
  color: var(--text);
}

:focus-visible {
  outline: 2px solid var(--text-2);
  outline-offset: 3px;
  border-radius: 1px;
}

a { color: inherit; }

/* ----------------------------------------------------------------
   Layout
---------------------------------------------------------------- */
.page {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2.5rem var(--gutter) 5rem;
}

/* ----------------------------------------------------------------
   Nav strip (inner pages)
---------------------------------------------------------------- */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding-bottom: 1.25rem;
  border-bottom: 0.5px solid var(--border);
  margin-bottom: 3.5rem;
}

.nav__brand {
  font-family: var(--serif);
  font-size: 1.0625rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--text);
}

.nav__links {
  font-family: var(--mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.nav__links a {
  color: var(--text-faint);
  text-decoration: none;
  transition: color 0.15s ease;
}

.nav__links a:hover {
  color: var(--text);
}

.nav__links a[aria-current="page"] {
  color: var(--text);
  border-bottom: 0.5px solid var(--text);
}

.nav__sep {
  color: var(--text-faint);
}

/* ----------------------------------------------------------------
   Hero (homepage)
---------------------------------------------------------------- */
.hero__name {
  font-family: var(--serif);
  font-size: clamp(2.75rem, 8vw, 3.5rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.hero__tag {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
}

.hero__bio-row {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 1.75rem;
  margin-bottom: 3rem;
}

.hero__photo {
  width: 220px;
  height: 260px;
  background: var(--bg-tint);
  border-radius: 3px;
  object-fit: cover;
}

.hero__bio {
  font-family: var(--serif);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
}

@media (max-width: 480px) {
  .hero__bio-row {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* ----------------------------------------------------------------
   Section links (homepage)
---------------------------------------------------------------- */
.section-links {
  border-top: 0.5px solid var(--border);
  padding-top: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.section-links a {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  text-decoration: none;
  color: var(--text);
}

.section-links a > span:first-child {
  font-family: var(--serif);
  font-size: 1.0625rem;
  transition: color 0.15s ease;
}

.section-links a > span:last-child {
  font-family: var(--mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
  text-align: right;
  white-space: nowrap;
}

.section-links a:hover > span:first-child {
  color: var(--text-2);
}

/* ----------------------------------------------------------------
   Page header (inner pages)
---------------------------------------------------------------- */
.page-header {
  margin-bottom: 3rem;
}

.page-header__title {
  font-family: var(--serif);
  font-size: clamp(2.25rem, 6vw, 2.5rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-bottom: 0.375rem;
}

.page-header__meta {
  font-family: var(--mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.page-header__meta a {
  color: var(--text-muted);
  text-decoration: underline;
  text-decoration-thickness: 0.5px;
  text-underline-offset: 2px;
  transition: color 0.15s ease;
}

.page-header__meta a:hover {
  color: var(--text);
}

.page-header__intro {
  font-family: var(--serif);
  font-size: 0.9375rem;
  font-style: italic;
  color: var(--text-2);
  line-height: 1.6;
  max-width: 30rem;
  margin-top: 0.75rem;
}

/* ----------------------------------------------------------------
   Section caps + dividers
---------------------------------------------------------------- */
.section-cap {
  font-family: var(--mono);
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 1.125rem;
}

.section-divider {
  border-top: 0.5px solid var(--border);
  margin: 2.75rem 0;
}

/* ----------------------------------------------------------------
   Entry (resume + writing + misc shared)
---------------------------------------------------------------- */
.entry {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  align-items: baseline;
}

.entry--wide {
  grid-template-columns: 100px minmax(0, 1fr);
}

.entry__date {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  padding-top: 0.2em;
}

.entry__title {
  font-family: var(--serif);
  font-size: 1.0625rem;
  font-weight: 500;
  line-height: 1.4;
  margin-bottom: 0.125rem;
  color: var(--text);
  text-decoration: none;
  display: inline-block;
  transition: color 0.15s ease;
}

a.entry__title:hover {
  color: var(--text-2);
}

.entry__subtitle {
  font-family: var(--serif);
  font-size: 0.875rem;
  font-style: italic;
  color: var(--text-2);
  line-height: 1.5;
}

.entry__institution {
  font-family: var(--serif);
  font-size: 0.875rem;
  font-style: italic;
  color: var(--text-2);
  margin-bottom: 0.375rem;
}

.entry__description {
  font-family: var(--serif);
  font-size: 0.875rem;
  color: var(--text-2);
  line-height: 1.55;
}

.entry__pub {
  font-family: var(--serif);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text);
}

.entry__pub em {
  color: var(--text-2);
}

.entry__pub a {
  color: inherit;
  text-decoration: none;
}

.entry__pub a:hover em {
  color: var(--text);
  text-decoration: underline;
  text-decoration-thickness: 0.5px;
  text-underline-offset: 2px;
}

@media (max-width: 480px) {
  .entry,
  .entry--wide {
    grid-template-columns: 1fr;
    gap: 0.25rem;
    margin-bottom: 1.75rem;
  }
  .entry__date {
    padding-top: 0;
  }
}

/* ----------------------------------------------------------------
   Misc entries (longer-form)
---------------------------------------------------------------- */
.misc-entry {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  align-items: baseline;
}

.misc-entry__date {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  padding-top: 0.35em;
}

.misc-entry__body {
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
}

.misc-entry__intro {
  margin-bottom: 0.625rem;
}

.misc-entry__list {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-2);
  list-style: none;
  padding-left: 1rem;
}

.misc-entry__list li::before {
  content: "— ";
  color: var(--text-faint);
  margin-right: 0.25rem;
}

.misc-entry__quote {
  font-family: var(--serif);
  font-style: italic;
  color: var(--text-2);
  border-left: 2px solid var(--border);
  padding-left: 1rem;
  margin-bottom: 0.5rem;
}

.misc-entry__attr {
  font-family: var(--mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.misc-end {
  border-top: 0.5px solid var(--border);
  margin-top: 2rem;
  padding-top: 1.5rem;
  font-family: var(--mono);
  font-size: 0.6875rem;
  color: var(--text-faint);
  text-align: center;
}

@media (max-width: 480px) {
  .misc-entry {
    grid-template-columns: 1fr;
    gap: 0.375rem;
  }
  .misc-entry__date {
    padding-top: 0;
  }
}

/* ----------------------------------------------------------------
   Article (individual blog post)
---------------------------------------------------------------- */
.article-meta {
  font-family: var(--mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  letter-spacing: 0.04em;
}

.article-title {
  font-family: var(--serif);
  font-size: clamp(1.75rem, 5vw, 2.125rem);
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.15;
  margin-bottom: 0.75rem;
}

.article-subtitle {
  font-family: var(--serif);
  font-size: 1.125rem;
  font-style: italic;
  color: var(--text-2);
  line-height: 1.5;
  margin-bottom: 3rem;
}

.article-body {
  font-family: var(--serif);
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--text);
}

.article-body > * + * {
  margin-top: 1.25rem;
}

.article-body h2 {
  font-family: var(--serif);
  font-size: 1.375rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-top: 2.5rem;
}

.article-body h3 {
  font-family: var(--serif);
  font-size: 1.125rem;
  font-weight: 500;
  margin-top: 2rem;
}

.article-body blockquote {
  font-style: italic;
  color: var(--text-2);
  border-left: 2px solid var(--border);
  padding-left: 1.125rem;
}

.article-body a {
  color: var(--text);
  text-decoration: underline;
  text-decoration-thickness: 0.5px;
  text-underline-offset: 2px;
  transition: color 0.15s ease;
}

.article-body a:hover {
  color: var(--text-2);
}

.article-body code {
  font-family: var(--mono);
  font-size: 0.875em;
  background: var(--bg-subtle);
  padding: 0.125em 0.375em;
  border-radius: 2px;
}

.article-body hr {
  border: 0;
  border-top: 0.5px solid var(--border);
  margin: 2.75rem auto;
  width: 4rem;
}

.article-body ul, .article-body ol {
  padding-left: 1.5rem;
}

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

.article-footer {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 0.5px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.article-footer a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.article-footer a:hover {
  color: var(--text);
}

/* ----------------------------------------------------------------
   Contact form
---------------------------------------------------------------- */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.form-field label {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.form-field input,
.form-field textarea {
  font-family: var(--serif);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  border: 0.5px solid var(--border);
  border-radius: 2px;
  padding: 0.625rem 0.75rem;
  width: 100%;
  transition: border-color 0.15s ease, background 0.15s ease;
  -webkit-appearance: none;
  appearance: none;
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--text-2);
  background: var(--bg-subtle);
}

.form-field input::placeholder,
.form-field textarea::placeholder {
  color: var(--text-faint);
}

.form-field input.invalid,
.form-field textarea.invalid {
  border-color: #b94040;
}

.form-field__error {
  font-family: var(--mono);
  font-size: 0.625rem;
  color: #b94040;
  display: none;
}

.form-field__error.visible {
  display: block;
}

.form-field textarea {
  resize: vertical;
  min-height: 9rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 480px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-submit {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding-top: 0.25rem;
}

.btn-send {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--text);
  border: none;
  border-radius: 2px;
  padding: 0.625rem 1.25rem;
  cursor: pointer;
  transition: opacity 0.15s ease;
}

.btn-send:hover {
  opacity: 0.75;
}

.btn-send:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.form-status {
  font-family: var(--mono);
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.form-status.success {
  color: #3a7a3a;
}

.form-status.error {
  color: #b94040;
}

.form-success-msg {
  display: none;
  padding: 1.5rem 0;
  font-family: var(--serif);
  font-size: 1.0625rem;
  color: var(--text-2);
  font-style: italic;
}

/* ----------------------------------------------------------------
   Page footer (social links)
---------------------------------------------------------------- */
.footer {
  margin-top: 4rem;
  font-family: var(--mono);
  font-size: 0.6875rem;
  color: var(--text-faint);
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer a {
  color: var(--text-faint);
  text-decoration: none;
  transition: color 0.15s ease;
}

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