@import url("https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500&family=Work+Sans:wght@400;500;600;700&display=swap");

/* Shared monochrome visual system for the Precious Ojogu portfolio. */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #fbfbfa;
  --surface: #ffffff;
  --border: #dededb;
  --text: #181817;
  --muted: #656562;
  --link: #181817;
  --link-hover: #4d4d49;

  --font-sans: "Work Sans", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "Courier New", Courier, monospace;

  --content-max: 45rem;
  --space-page-top: 3.5rem;
  --space-page-inline: 1.5rem;
  --space-page-bottom: 5rem;
  --space-section: 3.75rem;
  --space-section-compact: 2.5rem;
  --space-project-lead: 1.25rem;
  --space-audience: 1.75rem;
  --space-nested: 1rem;
  --space-metric-row: 0.65rem;
  --space-rule: 1px;
  --space-rule-strong: 2px;

  --body-size: 1.0625rem;
  --small-size: 1rem;
  --meta-size: 0.75rem;
  --body-leading: 1.72;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121211;
    --surface: #1b1b19;
    --border: #353532;
    --text: #ededeb;
    --muted: #a3a39d;
    --link: #ededeb;
    --link-hover: #c8c8c1;
  }
}

html {
  font-size: 16px;
}

body {
  min-height: 100vh;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-page-top) var(--space-page-inline) var(--space-page-bottom);
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--body-size);
  line-height: var(--body-leading);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
p,
ul,
dl,
article,
section,
address {
  max-width: 100%;
}

h1 {
  font-size: 1.625rem;
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.1;
}

h2 {
  margin: var(--space-section) 0 1.25rem;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.13em;
  line-height: 1.35;
  text-transform: uppercase;
}

h3 {
  margin: 2rem 0 0.45rem;
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.35;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--link);
  text-decoration-color: var(--border);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--link-hover);
  text-decoration-color: var(--muted);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 4px;
}

abbr {
  cursor: help;
  text-decoration: underline dotted;
  text-underline-offset: 3px;
}

em {
  color: var(--muted);
  font-style: italic;
}

strong {
  font-weight: 600;
}

.site-header {
  border-bottom: var(--space-rule) solid var(--border);
  padding-bottom: 1.75rem;
}

.site-header h1 {
  margin-bottom: 0.35rem;
}

.site-header .title {
  margin-bottom: 0.8rem;
  color: var(--muted);
  font-size: 0.9375rem;
}

.site-header address {
  margin-bottom: 0.65rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-style: normal;
  line-height: 1.7;
}

.site-header address a {
  color: var(--muted);
}

.site-header .resume-link {
  margin-bottom: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.site-nav {
  border-bottom: var(--space-rule) solid var(--border);
  padding: 0.9rem 0;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.35rem;
  list-style: none;
}

.site-nav a {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.035em;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--text);
}

.site-nav a[aria-current="page"] {
  text-decoration: underline;
  text-decoration-color: var(--text);
  text-underline-offset: 3px;
}

.site-main {
  margin-top: var(--space-section);
}

.site-main > section + section {
  margin-top: var(--space-section);
}

.site-main > section > h2:first-child {
  margin-top: 0;
}

.site-main article {
  border-top: var(--space-rule) solid var(--border);
  margin-bottom: 2.75rem;
  padding-top: 2rem;
}

.site-main > section > article:first-of-type {
  border-top: none;
  padding-top: 0;
}

.site-main article section {
  margin-top: var(--space-section-compact);
}

.agency-entry > .agency-project {
  border-left: var(--space-rule-strong) solid var(--border);
  padding-left: var(--space-nested);
}

.agency-entry > .agency-project-first {
  margin-top: var(--space-project-lead);
}

.site-main article section h3 {
  margin-top: 0;
}

.site-main article > .product-audience {
  margin-top: var(--space-audience);
}

.product-audience h4 {
  margin-bottom: 0.65rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.product-audience ul {
  margin-bottom: 0;
}

.proof-point {
  color: var(--muted);
  font-size: var(--small-size);
}

.site-main article > .proof-point {
  margin-top: 2.25rem;
}

.site-main article .proof-point h4 {
  margin: 0 0 1rem;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--small-size);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.35;
}

.site-main article .metric-list {
  display: grid;
  gap: var(--space-metric-row);
  margin: 0;
}

.site-main article .metric-list > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: var(--space-nested);
  border-bottom: var(--space-rule) solid var(--border);
  padding-bottom: var(--space-metric-row);
}

.site-main article .metric-list > div:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.site-main article .metric-list dt {
  margin: 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--meta-size);
  font-weight: 500;
  letter-spacing: 0.055em;
  line-height: 1.55;
  text-transform: uppercase;
}

.site-main article .metric-list dd {
  margin: 0;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: var(--small-size);
  font-weight: 500;
  line-height: 1.55;
  text-align: right;
}

.proof-note {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: var(--small-size);
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.entry-meta,
.entry-type {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--meta-size);
  letter-spacing: 0.055em;
  line-height: 1.55;
  text-transform: uppercase;
}

.entry-meta {
  margin-bottom: 1rem;
}

.entry-type {
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.entry-links,
.project-links {
  margin-top: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.7;
}

.entry-links a,
.project-links a {
  display: inline-block;
  margin-right: 1.25rem;
}

.stack {
  margin-top: 1rem;
  border-top: var(--space-rule) solid var(--border);
  padding-top: 0.85rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.7;
}

.site-main ul {
  margin-bottom: 1rem;
  padding-left: 1.25rem;
}

.site-main li {
  margin-bottom: 0.4rem;
  font-size: var(--small-size);
  line-height: 1.65;
}

.page-links {
  margin: var(--space-section-compact) 0 0;
  border-top: var(--space-rule-strong) solid var(--text);
  border-bottom: var(--space-rule) solid var(--border);
  padding: 1.15rem 0 1.05rem;
}

.page-links-label {
  margin-bottom: 0.75rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--meta-size);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-links ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

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

.page-links a span {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem 3rem;
}

.skill-group {
  margin-bottom: 1.75rem;
}

.skill-group h2 {
  margin-top: 0;
  margin-bottom: 0.9rem;
}

.skill-group ul {
  list-style: none;
  padding: 0;
}

.skill-group li {
  border-bottom: var(--space-rule) solid var(--border);
  padding: 0.45rem 0;
}

.skill-group li:last-child {
  border-bottom: none;
}

.note {
  margin-left: 0.45rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.medium-link {
  display: block;
  margin-bottom: 2rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.site-main article .article-summary {
  max-width: 62ch;
  margin: 0.35rem 0 0.85rem;
  color: var(--muted);
  font-size: var(--small-size);
  line-height: 1.65;
}

.read-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.035em;
}

.site-main dl {
  margin-bottom: 1.75rem;
}

.site-main dt {
  margin-top: 1.1rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--meta-size);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-main dt:first-child {
  margin-top: 0;
}

.site-main dd {
  font-size: var(--small-size);
}

.page-contact form {
  margin-top: 0.75rem;
}

.page-contact form p {
  margin-bottom: 1.4rem;
}

.page-contact label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--meta-size);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.page-contact input,
.page-contact textarea {
  width: 100%;
  appearance: none;
  border: var(--space-rule) solid var(--border);
  border-radius: 0;
  background: var(--surface);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--small-size);
  line-height: 1.5;
  padding: 0.8rem 0.85rem;
}

.page-contact input:focus,
.page-contact textarea:focus {
  border-color: var(--muted);
  outline: none;
}

.page-contact textarea {
  min-height: 150px;
  resize: vertical;
}

.page-contact button[type="submit"] {
  min-height: 2.85rem;
  border: none;
  background: var(--text);
  color: var(--bg);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.07em;
  padding: 0.75rem 1.8rem;
  text-transform: uppercase;
}

.page-contact button[type="submit"]:hover {
  opacity: 0.75;
}

.form-note {
  margin-bottom: 1.5rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.site-footer {
  margin-top: var(--space-page-bottom);
  border-top: var(--space-rule) solid var(--border);
  padding-top: 1.5rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: var(--meta-size);
  line-height: 1.7;
}

.site-footer p {
  margin-bottom: 0;
}

@media (max-width: 44rem) {
  body {
    padding: 2.5rem 1rem 3.75rem;
  }

  .site-header {
    padding-bottom: 1.5rem;
  }

  .site-nav ul {
    column-gap: 1rem;
  }

  .site-main {
    margin-top: 2.75rem;
  }

  .site-main > section + section {
    margin-top: var(--space-section-compact);
  }

  .site-main article {
    margin-bottom: 2.25rem;
    padding-top: 1.6rem;
  }

  h2 {
    margin-bottom: 1rem;
  }

  .skills-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .page-links {
    margin-top: 2rem;
  }

  .page-links ul {
    grid-template-columns: 1fr;
  }

  .site-main article .metric-list > div {
    grid-template-columns: 1fr;
    gap: calc(var(--space-metric-row) / 2);
  }

  .site-main article .metric-list dd {
    text-align: left;
  }

  .agency-entry > .agency-project {
    padding-left: calc(var(--space-nested) * 0.75);
  }
}