/* ==========================================================================
   Joshua Odubu — portfolio
   Concept: hospital wayfinding. One bold sign panel, everything else quiet.
   ========================================================================== */

@font-face {
  font-family: "Atkinson Hyperlegible Next";
  src: url("../fonts/atkinson-hyperlegible-next.woff2") format("woff2");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Atkinson Hyperlegible Mono";
  src: url("../fonts/atkinson-hyperlegible-mono.woff2") format("woff2");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}

/* Tokens
   ------------------------------------------------------------------------ */
:root {
  --spruce: #0e3b36;
  --spruce-deep: #0a2c28;
  --signal: #f2c230;
  --paper: #fbfbf8;
  --ink: #17201e;
  --slate: #56625f;
  --line: #d9dfdc;
  --surface: #f1f4f2;
  --link: #0e5b52;

  --font-sans: "Atkinson Hyperlegible Next", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "Atkinson Hyperlegible Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --step--1: 0.9375rem;
  --step-0: 1.125rem;
  --step-1: 1.375rem;
  --step-2: 1.75rem;
  --step-3: clamp(2rem, 1.5rem + 2vw, 2.5rem);
  --step-4: clamp(2.375rem, 1.6rem + 3.6vw, 4rem);

  --space-s: 1rem;
  --space-m: 1.5rem;
  --space-l: 2.5rem;
  --space-xl: clamp(4rem, 3rem + 4vw, 7rem);

  --gutter: clamp(1rem, 0.5rem + 3vw, 2.5rem);
  --max: 72rem;
  --measure: 38rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --spruce: #0c332f;
    --spruce-deep: #082522;
    --paper: #101716;
    --ink: #e6ecea;
    --slate: #a2afab;
    --line: #2b3734;
    --surface: #17211f;
    --link: #f2c230;
  }
}

/* Base
   ------------------------------------------------------------------------ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-m);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: 1.6;
  font-kerning: normal;
}

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

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.15;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

h2 {
  font-size: var(--step-3);
  font-weight: 700;
}

h3 {
  font-size: var(--step-2);
  font-weight: 700;
}

p {
  margin: 0;
  text-wrap: pretty;
}

p + p {
  margin-top: var(--space-s);
}

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  text-decoration-thickness: 2px;
}

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

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

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -4rem;
  z-index: 10;
  padding: 0.5rem 1rem;
  background: var(--signal);
  color: var(--spruce-deep);
  font-weight: 700;
}

.skip-link:focus {
  top: 0.75rem;
}

.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* Buttons
   ------------------------------------------------------------------------ */
.button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 3rem;
  padding: 0.65rem 1.25rem;
  border: 2px solid currentColor;
  border-radius: 4px;
  font-weight: 700;
  font-size: var(--step-0);
  line-height: 1.2;
  text-decoration: none;
}

.button--signal {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--spruce-deep);
}

.button--signal:hover {
  background: #ffd24a;
  border-color: #ffd24a;
}

.button--ghost {
  color: #fff;
}

.button--ghost:hover {
  background: rgb(255 255 255 / 0.08);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Site header (sits on the sign panel)
   ------------------------------------------------------------------------ */
.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-s) var(--space-l);
  padding-block: var(--space-m);
}

.wordmark {
  color: #fff;
  font-weight: 700;
  font-size: var(--step-1);
  letter-spacing: -0.01em;
  text-decoration: none;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  display: inline-block;
  padding-block: 0.375rem;
  color: rgb(255 255 255 / 0.86);
  font-size: var(--step--1);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 3px solid transparent;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: #fff;
  border-bottom-color: var(--signal);
}

/* Sign panel (the one bold element)
   ------------------------------------------------------------------------ */
.sign {
  background: var(--spruce);
  color: #fff;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-l);
  padding-block: var(--space-l) var(--space-xl);
}

.hero h1 {
  max-width: 16ch;
  font-size: var(--step-4);
  font-weight: 750;
  line-height: 1.05;
  letter-spacing: -0.025em;
}

.hero-role {
  margin-top: var(--space-s);
  color: var(--signal);
  font-size: var(--step-2);
  font-weight: 700;
  line-height: 1.25;
}

.hero-intro {
  max-width: var(--measure);
  margin-top: var(--space-m);
  color: rgb(255 255 255 / 0.86);
  font-size: var(--step-1);
  line-height: 1.5;
}

.hero .button-row {
  margin-top: var(--space-l);
}

.hero-photo {
  margin: 0;
  max-width: 13rem;
}

.hero-photo img {
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 20%;
  border-radius: 4px;
}

@media (min-width: 56rem) {
  .hero {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: end;
  }

  .hero-photo {
    justify-self: end;
    width: 100%;
    max-width: 22rem;
  }
}

/* The yellow band along the bottom of the sign */
.sign-band {
  background: var(--signal);
  color: var(--spruce-deep);
}

.sign-band p {
  padding-block: 0.875rem;
  font-weight: 700;
  font-size: var(--step--1);
}

/* Sections
   ------------------------------------------------------------------------ */
.section {
  padding-block: var(--space-xl);
}

.section + .section {
  border-top: 1px solid var(--line);
}

.section-head {
  max-width: var(--measure);
  margin-bottom: var(--space-l);
}

.section-head p {
  margin-top: var(--space-s);
  color: var(--slate);
}

/* Projects
   ------------------------------------------------------------------------ */
.projects {
  display: grid;
  gap: var(--space-xl);
}

.project {
  display: grid;
  gap: var(--space-m) var(--space-l);
}

@media (min-width: 56rem) {
  .project {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
  }
}

.project-shot {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
}

.project-shot img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top left;
  width: 100%;
}

.project-status {
  display: inline-block;
  margin-top: 0.5rem;
  color: var(--slate);
  font-size: var(--step--1);
}

.project-facts {
  display: grid;
  gap: var(--space-s);
  margin: var(--space-m) 0 0;
}

.project-facts dt {
  font-weight: 700;
}

.project-facts dd {
  margin: 0.125rem 0 0;
  color: var(--slate);
}

.stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin: 0.375rem 0 0;
  padding: 0;
  list-style: none;
}

.stack li {
  padding: 0.125rem 0.625rem;
  border-radius: 3px;
  background: var(--surface);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin: var(--space-m) 0 0;
  padding: 0;
  list-style: none;
  font-weight: 700;
}

.project--minor {
  padding: var(--space-m);
  border-left: 4px solid var(--signal);
  background: var(--surface);
}

@media (min-width: 56rem) {
  .project--minor {
    grid-template-columns: minmax(0, 1fr);
    max-width: 48rem;
  }
}

.project--minor p {
  margin-top: 0.5rem;
  color: var(--slate);
}

/* Experience
   ------------------------------------------------------------------------ */
.experience {
  display: grid;
  gap: var(--space-xl);
}

@media (min-width: 56rem) {
  .experience {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: var(--space-l) var(--space-xl);
  }
}

.timeline {
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline > li {
  position: relative;
  padding-left: var(--space-m);
  padding-bottom: var(--space-l);
  border-left: 2px solid var(--line);
}

.timeline > li:last-child {
  padding-bottom: 0;
}

.timeline > li::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 0.45rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 3px var(--paper);
}

.timeline h3 {
  font-size: var(--step-1);
}

.timeline .meta {
  margin-top: 0.25rem;
  color: var(--slate);
  font-size: var(--step--1);
}

.timeline ul {
  margin: var(--space-s) 0 0;
  padding-left: 1.1rem;
}

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

.skills h3 {
  font-size: var(--step-1);
}

.skills h3 + ul {
  margin-top: 0.5rem;
}

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

.skills ul li {
  padding-block: 0.5rem;
  border-bottom: 1px solid var(--line);
}

.skills ul + h3 {
  margin-top: var(--space-l);
}

/* Writing
   ------------------------------------------------------------------------ */
.post-list {
  margin: 0;
  padding: 0;
  list-style: none;
  max-width: 48rem;
}

.post-list li + li {
  margin-top: var(--space-l);
}

.post-list a {
  font-size: var(--step-2);
  font-weight: 700;
  line-height: 1.2;
}

.post-list time {
  display: block;
  margin-top: 0.375rem;
  color: var(--slate);
  font-size: var(--step--1);
}

.post-list p {
  margin-top: 0.5rem;
  max-width: var(--measure);
  color: var(--slate);
}

/* Contact
   ------------------------------------------------------------------------ */
.contact-email {
  display: inline-block;
  margin-top: var(--space-m);
  font-size: var(--step-3);
  font-weight: 700;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 2rem;
  margin: var(--space-l) 0 0;
  padding: 0;
  list-style: none;
  font-weight: 700;
}

/* Article (blog post)
   ------------------------------------------------------------------------ */
.page-head {
  padding-block: var(--space-l) var(--space-xl);
}

.page-head h1 {
  max-width: 22ch;
  font-size: var(--step-4);
  font-weight: 750;
  line-height: 1.05;
  letter-spacing: -0.025em;
}

.page-head p {
  max-width: var(--measure);
  margin-top: var(--space-m);
  color: rgb(255 255 255 / 0.86);
  font-size: var(--step-1);
}

.page-head .button-row {
  margin-top: var(--space-l);
}

.prose {
  max-width: var(--measure);
  padding-block: var(--space-xl);
}

.prose h2 {
  margin-top: var(--space-l);
  margin-bottom: var(--space-s);
  font-size: var(--step-2);
}

.prose p + p {
  margin-top: 1.25rem;
}

.prose ul {
  margin: 1.25rem 0;
  padding-left: 1.25rem;
}

.prose ul li + li {
  margin-top: 0.375rem;
}

.prose blockquote {
  margin: var(--space-l) 0;
  padding: 0 0 0 var(--space-m);
  border-left: 4px solid var(--signal);
  font-size: var(--step-1);
  font-weight: 600;
  line-height: 1.45;
}

.back-link {
  display: inline-block;
  margin-top: var(--space-l);
  font-weight: 700;
}

/* Footer
   ------------------------------------------------------------------------ */
.site-footer {
  padding-block: var(--space-l);
  background: var(--spruce-deep);
  color: rgb(255 255 255 / 0.78);
  font-size: var(--step--1);
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem var(--space-l);
}

.site-footer a {
  color: #fff;
}

/* Motion
   ------------------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}