/* ============================================================
   Alex Example Portfolio (portfolio2) — clean personal portfolio
   Instrument Serif headlines, Inter body, JetBrains Mono meta
   ============================================================ */

:root {
  color-scheme: light;
  --bg: #fafaf7;
  --fg: #1a1a17;
  --muted: #6b6b66;
  --border: #e6e4dd;
  --accent: #1a1a17;
  --card-bg: #f1efe8;
  --hover: #f3f1ea;
  --font-serif: "Instrument Serif", ui-serif, Georgia, serif;
  --font-sans: "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}
[data-theme="dark"] {
  color-scheme: dark;
  --bg: #131312;
  --fg: #f1efe8;
  --muted: #8c8a82;
  --border: #2a2a27;
  --accent: #f1efe8;
  --card-bg: #1c1c1a;
  --hover: #1f1f1d;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "ss01", "cv11";
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
button { font: inherit; cursor: pointer; background: transparent; border: 0; color: inherit; padding: 0; }
hr { border: 0; border-top: 1px solid var(--border); margin: 0; }
::selection { background: var(--fg); color: var(--bg); }

.skip-link { position: absolute; left: -9999px; top: 0; padding: .5rem 1rem; background: var(--fg); color: var(--bg); z-index: 100; }
.skip-link:focus { left: 0; }

.serif { font-family: var(--font-serif); letter-spacing: -.01em; }
.mono { font-family: var(--font-mono); font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; }
.muted { color: var(--muted); }
.plain { list-style: none; padding: 0; margin: 0; }

/* -------- Header -------- */
.site-header {
  position: sticky; top: 0; z-index: 40;
  border-bottom: 1px solid color-mix(in oklab, var(--border) 70%, transparent);
  background: color-mix(in oklab, var(--bg) 80%, transparent);
  backdrop-filter: blur(10px);
}
.site-header__inner {
  max-width: 64rem; margin: 0 auto; padding: 1.125rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.site-brand {
  font-family: var(--font-serif); font-size: 1.25rem; letter-spacing: -.01em;
}
.primary-nav { display: none; gap: 2rem; font-size: .875rem; color: var(--muted); }
.primary-nav a:hover, .primary-nav a.is-active { color: var(--fg); }
@media (min-width: 640px) { .primary-nav { display: inline-flex; } }
.site-header__end { display: flex; align-items: center; gap: .5rem; }

.social-links { display: none; align-items: center; gap: .125rem; }
@media (min-width: 640px) { .social-links { display: inline-flex; } }
.social-links__item {
  width: 2rem; height: 2rem; border-radius: .375rem;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--muted); transition: background .15s, color .15s;
}
.social-links__item:hover { background: var(--hover); color: var(--fg); }

.theme-toggle {
  width: 2rem; height: 2rem; border-radius: .375rem;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--muted); transition: background .15s, color .15s;
}
.theme-toggle:hover { background: var(--hover); color: var(--fg); }
.theme-toggle__moon { display: none; }
[data-theme="dark"] .theme-toggle__sun { display: none; }
[data-theme="dark"] .theme-toggle__moon { display: inline-block; }

/* -------- Shell -------- */
.site-main { min-height: calc(100vh - 200px); }
.page-shell {
  max-width: 64rem; margin: 0 auto; padding: 5rem 1.5rem;
}
.page-shell--narrow { max-width: 48rem; }
@media (min-width: 640px) { .page-shell { padding: 7rem 1.5rem; } }

/* -------- Headings -------- */
.eyebrow { color: var(--muted); margin: 0 0 1.5rem; }
.page-title {
  font-family: var(--font-serif);
  font-size: clamp(2.5rem, 4.5vw, 3rem);
  line-height: 1.05; letter-spacing: -.02em; margin: .5rem 0 0;
}
.page-title--xl { font-size: clamp(2.75rem, 6vw, 4.5rem); }
.page-lede { font-size: 1.125rem; color: var(--muted); margin: 1.5rem 0 0; max-width: 38rem; }

/* -------- Hero (home) -------- */
.hero { padding: 1rem 0 4rem; }
.hero__headline {
  font-family: var(--font-serif);
  font-size: clamp(2.75rem, 6.5vw, 4.5rem);
  line-height: 1.05; letter-spacing: -.02em; margin: 0;
}
.hero__lede { margin: 2rem 0 0; max-width: 36rem; font-size: 1.125rem; color: var(--muted); }

/* -------- Featured grid (home) -------- */
.featured { border-top: 1px solid var(--border); padding-top: 3rem; }
.featured__head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 2.5rem; }
.featured__head h2 { font-size: 1.5rem; margin: 0; }
.featured__grid { list-style: none; padding: 0; margin: 0; display: grid; gap: 2rem; }
@media (min-width: 640px) { .featured__grid { grid-template-columns: 1fr 1fr; } }

.project-card { display: block; }
.project-card__cover {
  aspect-ratio: 4/3; background: var(--card-bg); border-radius: .5rem; overflow: hidden;
}
.project-card__cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.project-card:hover .project-card__cover img { transform: scale(1.04); }
.project-card__row { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-top: 1rem; }
.project-card__title { font-family: var(--font-serif); font-size: 1.25rem; margin: 0; letter-spacing: -.01em; }
.project-card__year { color: var(--muted); }
.project-card__desc { margin: .25rem 0 0; font-size: .875rem; color: var(--muted); }

/* -------- Meta cols (home) -------- */
.meta-cols {
  margin-top: 6rem; border-top: 1px solid var(--border); padding-top: 3rem;
  display: grid; gap: 2.5rem;
}
@media (min-width: 640px) { .meta-cols { grid-template-columns: repeat(3, 1fr); } }
.meta-cols h3 { font-size: 1.25rem; margin: 0 0 .75rem; }
.meta-cols p { margin: 0; font-size: .875rem; }
.meta-cols a { text-decoration: underline; text-underline-offset: .25rem; }
.elsewhere-list { list-style: none; padding: 0; margin: 0; font-size: .875rem; color: var(--muted); }
.elsewhere-list li + li { margin-top: .25rem; }
.elsewhere-list a:hover { color: var(--fg); }

/* -------- Work index -------- */
.work-header { margin-bottom: 4rem; }
.work-list {
  list-style: none; padding: 0; margin: 0;
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
}
.work-list > li + li { border-top: 1px solid var(--border); }
.work-row {
  display: grid; gap: 1rem; padding: 2rem 0;
  grid-template-columns: 1fr; align-items: baseline;
  transition: background .15s;
}
.work-row:hover { background: var(--hover); }
.work-row__date { color: var(--muted); }
.work-row__title { font-family: var(--font-serif); font-size: 1.5rem; margin: 0; letter-spacing: -.01em; }
.work-row__desc { margin: .375rem 0 0; font-size: .875rem; color: var(--muted); }
.work-row__role, .work-row__arrow { color: var(--muted); font-size: .875rem; }
.work-row__arrow { justify-self: end; }
@media (min-width: 768px) {
  .work-row {
    grid-template-columns: 8rem 1fr 10rem 2rem;
    padding: 2rem 1rem;
  }
}

/* -------- Project detail -------- */
.back-link {
  display: inline-flex; align-items: center; gap: .5rem;
  color: var(--muted); margin-bottom: 2.5rem;
}
.back-link:hover { color: var(--fg); }
.project-header { max-width: 48rem; margin-bottom: 3rem; }
.project-hero {
  margin: 0 0 4rem;
  aspect-ratio: 16/9; background: var(--card-bg); border-radius: .75rem; overflow: hidden;
}
.project-hero img { width: 100%; height: 100%; object-fit: cover; }
.project-body { display: grid; gap: 3rem; }
@media (min-width: 768px) { .project-body { grid-template-columns: 1fr 2fr; gap: 3rem; } }
.project-side { display: flex; flex-direction: column; gap: 2rem; }
.project-side h4 { margin: 0 0 .5rem; }
.project-side p { margin: 0; font-size: .875rem; }
.project-side .plain li { font-size: .875rem; padding: .125rem 0; }
.project-main section + section { margin-top: 3rem; }
.project-main h2 { font-size: 1.5rem; margin: 0 0 1rem; }
.bullets { list-style: none; padding: 0; margin: 0; }
.bullets li {
  position: relative; padding-left: 1rem; color: var(--muted);
  margin-top: .75rem;
}
.bullets li::before {
  content: ""; position: absolute; left: 0; top: .55rem;
  width: 4px; height: 4px; border-radius: 50%; background: var(--fg); opacity: .6;
}

/* -------- Typography specimen -------- */
.spec-section { margin-top: 5rem; border-top: 1px solid var(--border); padding-top: 2.5rem; }
.spec-section__head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 1.5rem; }
.spec-section__label { color: var(--muted); margin: 0; }
.spec-display { font-family: var(--font-serif); font-size: clamp(2.5rem, 6vw, 4.5rem); line-height: 1.02; letter-spacing: -.02em; margin: 2rem 0 0; }
.spec-display--italic { font-style: italic; font-size: 1.875rem; margin-top: 1.5rem; }
.spec-grid { display: grid; gap: 2rem; margin-top: 2rem; }
@media (min-width: 640px) { .spec-grid { grid-template-columns: 1fr 1fr; } }
.spec-grid p { margin: 0; line-height: 1.6; }
.spec-weights { margin-top: 2.5rem; display: grid; gap: .5rem; font-size: .875rem; }
.w-300 { font-weight: 300; }
.w-400 { font-weight: 400; }
.w-500 { font-weight: 500; }
.w-600 { font-weight: 600; }
.spec-code {
  margin-top: 2rem; padding: 1.5rem; border-radius: .5rem;
  background: var(--card-bg); overflow-x: auto; font-size: .875rem;
}
.spec-scale { margin-top: 2rem; display: grid; gap: .5rem; }
.spec-scale__row {
  display: grid; grid-template-columns: 7rem 1fr; align-items: baseline; gap: 1rem;
  padding: .75rem 0; border-bottom: 1px solid color-mix(in oklab, var(--border) 60%, transparent);
}

/* -------- Contact -------- */
.contact-block { margin-top: 3rem; padding-top: 2.5rem; border-top: 1px solid var(--border); }
.contact-block__email {
  font-family: var(--font-serif); font-size: 1.875rem; display: inline-block;
  text-underline-offset: .5rem;
}
.contact-block__email:hover { text-decoration: underline; }
.contact-block__press { margin: 1.5rem 0 0; font-size: .875rem; }
.contact-block__press a { text-decoration: underline; text-underline-offset: .25rem; }
.contact-meta {
  margin-top: 4rem; padding-top: 2.5rem; border-top: 1px solid var(--border);
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; font-size: .875rem;
}
.contact-meta dt { margin: 0 0 .5rem; }
.contact-meta dd { margin: 0; }

/* -------- About -------- */
.about-facts {
  margin-top: 4rem; padding-top: 2.5rem; border-top: 1px solid var(--border);
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; font-size: .875rem;
}
@media (min-width: 640px) { .about-facts { grid-template-columns: repeat(4, 1fr); } }
.about-facts dt { margin: 0 0 .5rem; }
.about-facts dd { margin: 0; }

/* -------- Legal -------- */
.legal-shell { display: grid; gap: 3rem; }
@media (min-width: 768px) { .legal-shell { grid-template-columns: 12rem 1fr; gap: 4rem; } }
.legal-side__list { list-style: none; padding: 0; margin: .75rem 0 0; display: grid; gap: .375rem; font-size: .875rem; }
.legal-side__list a { color: var(--muted); }
.legal-side__list a:hover, .legal-side__list a.is-active { color: var(--fg); }
.legal-side__list a.is-active { font-weight: 500; }
.legal-main__head { margin-bottom: 2.5rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--border); }
.legal-main__head h1 { font-size: 2.25rem; margin: 0 0 .5rem; letter-spacing: -.02em; }

/* -------- Prose (rendered Markdown / HTML body) -------- */
.prose { font-size: 1rem; line-height: 1.7; color: var(--fg); }
.prose > * + * { margin-top: 1.25rem; }
.prose h2 { font-family: var(--font-serif); font-size: 1.5rem; margin-top: 2.5rem; letter-spacing: -.01em; }
.prose h3 { font-family: var(--font-serif); font-size: 1.25rem; margin-top: 2rem; letter-spacing: -.01em; }
.prose p { color: var(--fg); }
.prose a { text-decoration: underline; text-underline-offset: .25rem; }
.prose ul, .prose ol { padding-left: 1.25rem; }
.prose li { margin-top: .5rem; color: var(--fg); }
.prose strong { font-weight: 600; }
.prose blockquote {
  margin-left: 0; padding-left: 1.25rem;
  border-left: 2px solid var(--border); color: var(--muted);
}
.prose code { font-family: var(--font-mono); font-size: .875em; background: var(--card-bg); padding: .125rem .375rem; border-radius: .25rem; }
.prose pre { background: var(--card-bg); padding: 1.25rem; border-radius: .5rem; overflow-x: auto; }
.prose pre code { background: transparent; padding: 0; }
.prose table {
  display: block; width: 100%; overflow-x: auto;
  border-collapse: collapse; font-size: .9375rem;
}
.prose th, .prose td {
  padding: .75rem .875rem .75rem 0;
  border-bottom: 1px solid var(--border); text-align: left;
}
.prose th { font-weight: 600; color: var(--fg); }
.prose td { color: var(--muted); }
.prose ul.contains-task-list { list-style: none; padding-left: 0; }
.prose .task-list-item {
  display: flex; gap: .625rem; align-items: flex-start;
}
.prose .task-list-item input[type="checkbox"] {
  flex: 0 0 auto; margin-top: .45em; accent-color: var(--accent);
}
.prose .zp-alert {
  padding: 1rem 1.125rem; border: 1px solid var(--border);
  border-left: 3px solid var(--accent); border-radius: .5rem;
  background: var(--card-bg);
}
.prose .zp-alert__title {
  margin: 0 0 .35rem; font-family: var(--font-mono);
  font-size: .75rem; line-height: 1.4; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted);
}

/* -------- Footer -------- */
.site-footer { margin-top: 8rem; border-top: 1px solid color-mix(in oklab, var(--border) 70%, transparent); }
.site-footer__inner {
  max-width: 64rem; margin: 0 auto; padding: 2.5rem 1.5rem;
  display: flex; flex-direction: column; gap: 1.5rem; font-size: .875rem; color: var(--muted);
}
@media (min-width: 640px) {
  .site-footer__inner { flex-direction: row; align-items: center; justify-content: space-between; }
}
.site-footer__copy { margin: 0; }
.site-footer__end { display: flex; flex-wrap: wrap; align-items: center; gap: 1.5rem; }
.legal-nav { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.legal-nav a:hover, .legal-nav a.is-active { color: var(--fg); }
.site-footer .social-links { display: inline-flex; }
.site-footer__attribution {
  margin: 0; padding: 1rem 1.5rem 2rem; text-align: center;
  font-size: .75rem; color: var(--muted);
  font-family: var(--font-mono); letter-spacing: .08em; text-transform: uppercase;
}
.site-footer__attribution a { text-decoration: underline; }

/* -------- Misc -------- */
.not-found { text-align: center; }
.archive-group + .archive-group { margin-top: 3rem; }
.post-index li { padding: 1rem 0; border-bottom: 1px solid var(--border); }
.post-index strong { font-family: var(--font-serif); font-size: 1.25rem; font-weight: 400; letter-spacing: -.01em; }
.post-index p { margin: .25rem 0 0; }