/*
 * Component styles for testingcharlie.co.uk (homepage, design option 3a).
 * Tokens live in tokens.css; this file only consumes them, so nothing here
 * hard-codes a themeable colour. Ordered top-to-bottom to match the page.
 */

/* ------------------------------------------------------------------ base -- */

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

html {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

/* Keep anchored sections clear of the viewport top when jumped to. */
[id] {
  scroll-margin-top: 24px;
}

body {
  margin: 0;
  font-family: var(--font-display);
  background: var(--page);
  color: var(--ink);
  line-height: 1.5;
  transition:
    background-color 0.25s ease,
    color 0.25s ease;
}

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

h1,
h2,
h3 {
  margin: 0;
}

button {
  font: inherit;
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Skip link for keyboard users. */
.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 10;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--hair);
  border-radius: 8px;
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 12px;
}

.noscript-note {
  max-width: 640px;
  margin: 44px auto;
  padding: 0 24px;
  font-family: sans-serif;
}

/* ------------------------------------------------------------- utilities -- */

.app {
  animation: riseIn 0.7s var(--ease-entrance) both;
}

.wrap {
  max-width: var(--max-width);
  margin-inline: auto;
}

.mono {
  font-family: var(--font-mono);
}

/* Shared "$ ~/section" prompt header. */
.prompt {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
}

/* Signal-green pill used for CI/status chips ("✓ build", "✓ passing"…). */
.pass {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--passbg);
  color: var(--passink);
  border: 1px solid var(--passbd);
  border-radius: 8px;
  padding: 6px 9px;
  font-family: var(--font-mono);
  font-size: 12px;
}

.pass--md {
  border-radius: 7px;
  padding: 5px 9px;
  font-size: 11.5px;
}

.pass--sm {
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 11px;
}

/* Dark-green contact/CTA chip. */
.chip {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--chipink);
  background: var(--chipbg);
  border: 1px solid var(--chipbd);
  border-radius: 999px;
  padding: 8px 13px;
  transition:
    background-color 0.15s ease,
    color 0.15s ease,
    border-color 0.15s ease;
}

.chip:hover,
.chip:focus-visible {
  background: var(--chiphbg);
  color: var(--chiphink);
  border-color: var(--chiphbg);
}

/* Traffic-light dots on chrome bars (fixed colours). */
.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  flex: none;
}

.dot--red {
  background: var(--dot-red);
}

.dot--amber {
  background: var(--dot-amber);
}

.dot--green {
  background: var(--dot-green);
}

/* Small pulsing status dot. */
.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
  flex: none;
  animation: pulseDot 2.4s ease-in-out infinite;
}

/* --------------------------------------------------------------- nav (1) -- */

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 26px 44px;
  border-bottom: 1px solid var(--hair);
}

.nav__brand {
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 500;
}

.nav__brand-tld {
  color: var(--faint);
}

.nav__cursor {
  color: var(--accent);
  font-weight: 700;
  animation: blink 1.1s step-end infinite;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
}

.status {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--astrong);
}

.nav__link {
  color: var(--muted);
  transition: color 0.15s ease;
}

.nav__link:hover,
.nav__link:focus-visible {
  color: var(--astrong);
}

.theme-toggle {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--hair);
  padding: 7px 11px;
  border-radius: 999px;
  cursor: pointer;
  transition:
    color 0.15s ease,
    border-color 0.15s ease;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  border-color: var(--astrong);
  color: var(--astrong);
}

.nav .chip {
  padding: 7px 13px;
}

/* -------------------------------------------------------------- hero (2) -- */

.hero {
  padding: 46px 44px 36px;
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 44px;
  align-items: start;
}

.hero__kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted2);
}

.hero__title {
  font-size: 82px;
  line-height: 0.92;
  letter-spacing: -0.035em;
  font-weight: 700;
  margin-top: 18px;
}

.hero__title-dot {
  color: var(--accent);
}

.hero__lead {
  font-size: 18.5px;
  line-height: 1.55;
  color: var(--muted);
  margin-top: 22px;
  max-width: 480px;
}

.hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

/* CI/CD pipeline panel. */
.pipeline {
  background: var(--surface);
  border: 1px solid var(--hair);
  border-radius: 14px;
  padding: 22px;
}

.pipeline__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted2);
}

.pipeline__status {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--astrong);
  text-transform: none;
  letter-spacing: 0;
}

.pipeline__stages {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 12px;
}

.pipeline__sep {
  color: var(--faint);
}

.pipeline__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 18px;
}

.stat {
  background: var(--s2);
  border: 1px solid var(--hair2);
  border-radius: 10px;
  padding: 12px 13px;
}

.stat__num {
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.stat__num--accent {
  color: var(--astrong);
}

.stat__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted2);
  margin-top: 3px;
}

/* ----------------------------------------------------------- marquee (3) -- */

.marquee {
  overflow: hidden;
  background: var(--band);
  color: var(--bandink);
  padding: 14px 0;
  white-space: nowrap;
}

.marquee__track {
  display: inline-flex;
  width: max-content;
  animation: marqueeX 26s linear infinite;
}

.marquee__item {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.03em;
}

.marquee__sep {
  color: var(--band-green);
  margin: 0 20px;
}

/* ------------------------------------------------------------- about (bio) -- */

.about {
  padding: 44px;
  border-bottom: 1px solid var(--hair);
}

.about .prompt {
  margin-bottom: 22px;
}

.about__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 44px;
  align-items: start;
}

.about__title {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.about__lead {
  font-size: 16.5px;
  line-height: 1.6;
  color: var(--muted);
  margin-top: 18px;
  max-width: 480px;
}

.about__highlights {
  margin: 0;
  display: flex;
  flex-direction: column;
}

.about__term {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted2);
  padding-top: 16px;
  border-top: 1px solid var(--hair2);
}

.about__detail {
  margin: 5px 0 0;
  padding-bottom: 16px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--muted);
}

/* Portfolio hand-off link under the intro — the deeper CV lives off-site. */
.about__cta {
  display: inline-block;
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--astrong);
  transition: color 0.15s ease;
}

.about__cta:hover,
.about__cta:focus-visible {
  color: var(--accent);
}

/* ---------------------------------------------------------- featured (4) -- */

.featured {
  padding: 48px 44px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
  align-items: center;
  border-bottom: 1px solid var(--hair);
}

.featured__title {
  font-size: 40px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: 14px;
  line-height: 1.02;
}

.featured__body {
  font-size: 16.5px;
  line-height: 1.6;
  color: var(--muted);
  margin-top: 18px;
  max-width: 400px;
}

.featured__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.featured__actions {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 22px;
}

.link {
  font-size: 15px;
  font-weight: 500;
  color: var(--astrong);
  transition: color 0.15s ease;
}

.link:hover,
.link:focus-visible {
  color: var(--accent);
}

.featured__meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--muted2);
}

/* Browser mockup. */
.browser {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--hair);
}

.browser__bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 11px 14px;
  background: var(--chrome);
  border-bottom: 1px solid var(--hair);
}

.browser__url {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted2);
  margin-left: 8px;
}

.browser__status {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--astrong);
  display: flex;
  align-items: center;
  gap: 5px;
}

.browser__body {
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
  background: repeating-linear-gradient(
    135deg,
    var(--stripea),
    var(--stripea) 12px,
    var(--stripeb) 12px,
    var(--stripeb) 24px
  );
}

.browser__shot {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.browser__shot-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted2);
  background: var(--surface);
  padding: 6px 11px;
  border-radius: 6px;
  border: 1px solid var(--hair);
}

/* -------------------------------------------------- recent activity (5) -- */

.activity {
  padding: 44px;
  background: var(--page);
  border-bottom: 1px solid var(--hair);
}

.activity__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 26px;
  margin-top: 22px;
}

/* git log terminal. */
.terminal {
  background: var(--surface);
  border: 1px solid var(--hair);
  border-radius: 12px;
  overflow: hidden;
}

.terminal__bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  background: var(--chrome);
  border-bottom: 1px solid var(--hair);
}

.terminal__title {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted2);
  margin-left: 8px;
}

.terminal__branch {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--astrong);
}

.terminal__body {
  padding: 6px 18px 16px;
}

.commit {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: baseline;
  padding: 10px 0;
  border-top: 1px solid var(--hair2);
  color: inherit;
  font-family: var(--font-mono);
  transition: color 0.15s ease;
}

.commit:hover,
.commit:focus-visible {
  color: var(--astrong);
}

.commit__hash {
  color: var(--astrong);
  font-size: 12.5px;
}

.commit__msg {
  font-size: 12.5px;
  color: var(--muted);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.commit:hover .commit__msg,
.commit:focus-visible .commit__msg {
  color: var(--astrong);
}

.commit__time {
  font-size: 11px;
  color: var(--faint);
  white-space: nowrap;
}

/* GitHub panel. */
.github {
  background: var(--surface);
  border: 1px solid var(--hair);
  border-radius: 12px;
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
}

.github__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted2);
}

.github__handle {
  color: var(--muted);
  text-transform: none;
  letter-spacing: 0;
}

.heatmap {
  margin-top: 20px;
  display: grid;
  grid-auto-flow: column;
  grid-template-rows: repeat(7, 11px);
  grid-auto-columns: 11px;
  gap: 3px;
  justify-content: start;
}

.heatmap--empty {
  display: none;
}

.heatmap__cell {
  width: 11px;
  height: 11px;
  border-radius: 2px;
  background: var(--cellempty);
}

.heatmap__cell--l1 {
  background: var(--heat1);
}

.heatmap__cell--l2 {
  background: var(--heat2);
}

.heatmap__cell--l3 {
  background: var(--heat3);
}

.heatmap__cell--l4 {
  background: var(--heat4);
}

.github__caption {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted2);
  margin-top: 18px;
  line-height: 1.5;
}

.github__spacer {
  flex: 1;
}

.github__link {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--astrong);
  margin-top: 16px;
  transition: color 0.15s ease;
}

.github__link:hover,
.github__link:focus-visible {
  color: var(--accent);
}

/* -------------------------------------------------------- more work (6) -- */

.work {
  padding: 44px;
  border-bottom: 1px solid var(--hair);
}

.work .prompt {
  margin-bottom: 22px;
}

.work__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
}

.project-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--hair2);
  border-radius: 12px;
  padding: 26px;
  color: inherit;
  transition: border-color 0.15s ease;
}

.project-card:hover,
.project-card:focus-visible {
  border-color: var(--accent);
}

.project-card__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}

.project-card__title {
  font-size: 25px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.project-card__desc {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--muted);
  margin-top: 12px;
}

.project-card__meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--faint);
  margin-top: 16px;
}

/* ---------------------------------------------------------- writing (7) -- */

.writing {
  padding: 44px;
  border-bottom: 1px solid var(--hair);
}

.writing .prompt {
  margin-bottom: 10px;
}

.post {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px;
  align-items: baseline;
  padding: 20px 0;
  border-top: 1px solid var(--hair);
  color: inherit;
  transition: color 0.15s ease;
}

.post:hover,
.post:focus-visible {
  color: var(--astrong);
}

.post__title {
  font-size: 27px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.post__blurb {
  display: block;
  font-size: 15px;
  line-height: 1.5;
  color: var(--muted);
  margin-top: 7px;
  max-width: 520px;
}

.post:hover .post__blurb,
.post:focus-visible .post__blurb {
  color: var(--muted);
}

.post__meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--faint);
  text-align: right;
  white-space: nowrap;
}

.writing__soon {
  border-top: 1px solid var(--hair);
  padding: 28px 0 6px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.03em;
  color: var(--muted2);
}

.writing__cursor {
  color: var(--accent);
  font-weight: 700;
  animation: blink 1.1s step-end infinite;
}

/* --------------------------------------------------------- footer CTA (8) -- */

.site-footer {
  background: var(--band);
  color: var(--bandink);
}

.site-footer__inner {
  padding: 62px 44px;
}

.site-footer__prompt {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--band-green);
  letter-spacing: 0.05em;
}

.site-footer__title {
  font-size: 50px;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-top: 16px;
  line-height: 1.02;
}

.site-footer__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-top: 34px;
}

.site-footer__email {
  font-size: 24px;
  font-weight: 500;
  color: var(--bandink);
  border-bottom: 2px solid var(--accent);
  padding-bottom: 3px;
  transition: color 0.15s ease;
}

.site-footer__email:hover,
.site-footer__email:focus-visible {
  color: var(--band-green);
}

.site-footer__socials {
  display: flex;
  gap: 20px;
  font-family: var(--font-mono);
  font-size: 13px;
}

.social {
  color: var(--band-muted);
  transition: color 0.15s ease;
}

.social:hover,
.social:focus-visible {
  color: var(--band-green);
}

/* ------------------------------------------------------------ keyframes -- */

@keyframes riseIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes marqueeX {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

@keyframes pulseDot {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}

@keyframes blink {
  0%,
  49% {
    opacity: 1;
  }
  50%,
  100% {
    opacity: 0;
  }
}

/* ----------------------------------------------------------- responsive -- */

@media (max-width: 900px) {
  .hero,
  .featured,
  .activity__grid,
  .work__grid,
  .about__grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 40px 32px 28px;
  }

  .hero__title {
    font-size: clamp(44px, 12vw, 82px);
  }

  .featured,
  .activity,
  .work,
  .writing,
  .about {
    padding-left: 32px;
    padding-right: 32px;
  }

  .featured__title {
    font-size: clamp(32px, 8vw, 40px);
  }
}

@media (max-width: 600px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 20px 24px;
  }

  .nav__links {
    flex-wrap: wrap;
    gap: 14px;
  }

  .hero {
    padding: 32px 24px 24px;
  }

  .featured,
  .activity,
  .work,
  .writing,
  .about {
    padding-top: 32px;
    padding-bottom: 32px;
    padding-left: 24px;
    padding-right: 24px;
  }

  .site-footer__inner {
    padding: 44px 24px;
  }

  .site-footer__title {
    font-size: 34px;
  }
}

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

  .app,
  .marquee__track,
  .status-dot,
  .nav__cursor,
  .writing__cursor {
    animation: none !important;
  }

  * {
    transition-duration: 0.001ms !important;
  }
}