:root,
:root[data-theme="ayu-dark"] {
  color-scheme: dark;
  --ayu-bg: #0b0e14;
  --ayu-fg: #bfbdb6;
  --ayu-selection: #1b3a5b;
  --ayu-black: #1e232b;
  --ayu-red: #ea6c73;
  --ayu-green: #7fd962;
  --ayu-yellow: #f9af4f;
  --ayu-blue: #53bdfa;
  --ayu-magenta: #cda1fa;
  --ayu-cyan: #90e1c6;
  --ayu-white: #c7c7c7;
  --ayu-bright-black: #686868;
  --ayu-bright-red: #f07178;
  --ayu-bright-green: #aad94c;
  --ayu-bright-yellow: #ffb454;
  --ayu-bright-blue: #59c2ff;
  --ayu-bright-magenta: #d2a6ff;
  --ayu-bright-cyan: #95e6cb;
  --ayu-bright-white: #ffffff;

  --canvas: var(--ayu-bg);
  --canvas-raised: #121720;
  --canvas-inset: var(--ayu-black);
  --text: var(--ayu-fg);
  --text-strong: var(--ayu-bright-white);
  --text-quiet: var(--ayu-fg);
  --prompt: var(--ayu-blue);
  --link: var(--ayu-blue);
  --selected-bg: var(--ayu-selection);
  --selected-text: var(--ayu-fg);
  --action-fill: var(--ayu-yellow);
  --menu-accent: var(--ayu-yellow);
  --menu-number-text: var(--ayu-bg);
  --action-label: var(--menu-accent);
  --cursor: var(--ayu-blue);
  --action-border: #8a6230; /* derived role colour: 3:1 boundary on canvas */
  --action-wash: rgb(249 175 79 / 7%);
  --action-text: var(--ayu-bg);
  --line: #292f3a;
  --line-strong: #4a5260;
  --focus: var(--ayu-bright-cyan);
  --status: var(--ayu-green);
  --error: var(--ayu-bright-red);
  --site-gutter: clamp(1rem, 4vw, 3rem);
  --content-max: 72rem;
  --reading-max: 54rem;
  --font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;
  --motion-short: 140ms;
}

:root[data-theme="ayu-light"] {
  color-scheme: light;
  --ayu-bg: #f8f9fa;
  --ayu-fg: #5c6166;
  --ayu-selection: #d3e1f5;
  --ayu-black: #000000;
  --ayu-red: #ea6c6d;
  --ayu-green: #6cbf43;
  --ayu-yellow: #eca944;
  --ayu-blue: #3199e1;
  --ayu-magenta: #9e75c7;
  --ayu-cyan: #46ba94;
  --ayu-white: #c7c7c7;
  --ayu-bright-black: #686868;
  --ayu-bright-red: #f07171;
  --ayu-bright-green: #86b300;
  --ayu-bright-yellow: #f2ae49;
  --ayu-bright-blue: #399ee6;
  --ayu-bright-magenta: #a37acc;
  --ayu-bright-cyan: #4cbf99;
  --ayu-bright-white: #d1d1d1;

  --canvas: var(--ayu-bg);
  --canvas-raised: #ffffff;
  --canvas-inset: #ffffff;
  --text: var(--ayu-fg);
  --text-strong: #262b30;
  --text-quiet: var(--ayu-fg);
  --prompt: #47802c; /* Ayu Light green, darkened to 4.54:1 for text */
  --link: #1b77b8; /* Ayu Light blue, darkened to 4.55:1 for text */
  --selected-bg: var(--ayu-selection);
  --selected-text: var(--ayu-fg);
  --action-fill: var(--ayu-yellow);
  --menu-accent: #9e6510; /* Ayu Light yellow, darkened to 4.61:1 for text */
  --menu-number-text: #ffffff;
  --action-border: var(--ayu-fg);
  --action-wash: var(--ayu-yellow); /* exact Ayu Light yellow as a fill */
  --action-text: #000000;
  --action-label: #000000; /* 10.3:1 on the yellow fill */
  --cursor: var(--ayu-blue);
  --line: #d7dce1;
  --line-strong: #8e979f;
  --focus: var(--ayu-fg);
  --status: var(--ayu-green);
  --error: #9b232b;
}

* { box-sizing: border-box; }

html {
  background: var(--canvas);
  scroll-padding-top: 6rem;
}
body {
  margin: 0;
  min-width: 0;
  background: var(--canvas);
  color: var(--text);
  font: 400 15px/1.6 var(--font-mono);
  -webkit-font-smoothing: antialiased;
}
p, h1, h2, h3 { margin: 0; }
a { color: var(--link); text-underline-offset: .2em; }
a:hover { color: var(--text-strong); }
button, select { font: inherit; color: inherit; }
button, select { cursor: pointer; }
button:disabled, select:disabled { cursor: default; }
[hidden] { display: none !important; }
::selection { color: var(--selected-text); background: var(--selected-bg); }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 4px; }
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}
.skip-link {
  position: fixed;
  z-index: 30;
  inset: .5rem auto auto .75rem;
  padding: .5rem .75rem;
  background: var(--canvas-raised);
  transform: translateY(-150%);
}
.skip-link:focus { transform: none; }

/* Slim terminal chrome; controls stay beside Exit instead of becoming panels. */
.terminal-bar {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem 1.5rem;
  min-height: 46px;
  padding: 4px 16px;
  background: var(--canvas-raised);
  border-bottom: 1px solid var(--line);
  color: var(--text-quiet);
  font-size: 13px;
}
.terminal-brand { color: var(--text-quiet); text-decoration: none; white-space: nowrap; }
.terminal-controls { display: flex; align-items: center; justify-content: flex-end; gap: 18px; }
.theme-choice {
  min-height: 32px;
  max-width: 115px;
  padding: 3px 2px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--text-quiet);
  font-size: 13px;
}
.theme-choice option { color: var(--text); background: var(--canvas-raised); }
.language-switch { display: flex; align-items: center; gap: 5px; }
.language-link, .exit-link { display: inline-flex; align-items: center; min-height: 32px; color: var(--text-quiet); text-decoration: none; }
.language-link { min-width: 24px; justify-content: center; }
.language-link[aria-current="page"] { color: var(--text-strong); text-decoration: underline; text-underline-offset: 5px; }
.language-divider { opacity: .65; }
.exit-link { white-space: nowrap; }
.terminal-bar--entry {
  justify-content: flex-end;
  padding: 12px 20px;
  background: var(--canvas);
  border: 0;
}

/* The entry screen is deliberately almost empty, like the supplied reference. */
.entry-screen {
  display: grid;
  place-items: center;
  min-height: 100svh;
  padding: 100px 24px;
  text-align: center;
}
.entry-content { max-width: 100%; padding-top: 32px; }
.entry-content h1 {
  color: var(--text);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: .09em;
  text-transform: uppercase;
}
.entry-cursor { margin-left: .35em; font-size: .85em; color: var(--cursor); animation: cursor-blink 1s steps(1, end) 4; }
.entry-role { margin-top: 8px; color: var(--text-quiet); font-size: 12px; letter-spacing: .015em; }
.entry-status { margin: 0 0 40px; color: var(--text-quiet); font-size: 11px; letter-spacing: .09em; }
.status-dot { display: inline-block; width: 6px; height: 6px; margin-right: 8px; border-radius: 50%; background: var(--status); vertical-align: middle; }
.entry-lead { max-width: 52ch; margin: 24px auto 0; color: var(--text-quiet); font-size: 14px; line-height: 1.65; }
.entry-secondary { display: inline-block; margin-top: 20px; padding-block: 4px; color: var(--text-quiet); font-size: 13px; text-decoration: underline; text-underline-offset: 3px; }
.entry-secondary:hover { color: var(--text); }
.entry-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 56px;
  margin-top: 48px;
  padding: 14px 30px;
  border: 1px solid var(--action-border);
  border-radius: 3px;
  background: var(--action-wash);
  color: var(--action-label);
  font-size: 14px;
  text-decoration: none;
  text-transform: uppercase;
  transition: color 140ms, border-color 140ms, background 140ms, box-shadow 140ms;
}
.entry-action:hover { color: var(--text-strong); border-color: var(--menu-accent); box-shadow: 0 0 14px var(--action-wash); }
.home-summaries { width: min(100%, 1000px); margin-inline: auto; padding: 48px 64px 32px; }
.summary-section { margin-top: 72px; scroll-margin-top: 32px; }
.summary-section .document-copy > p:not(.summary-kicker) { max-width: 65ch; }
.summary-kicker { margin: 0 0 4px; color: var(--text-quiet); font-size: 12px; letter-spacing: .09em; text-transform: uppercase; }
.site-footer { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; width: min(100%, 1000px); margin-inline: auto; padding: 32px 64px 48px; border-top: 1px solid var(--line); color: var(--text-quiet); font-size: 13px; }
.site-footer p { margin: 0; }

/* Match the reference's single, indented transcript and generous upper space. */
.terminal-screen { width: min(100%, 1000px); margin-inline: auto; padding: clamp(72px, 14vh, 140px) 64px 48px; }
.command-line { margin: 0; overflow-wrap: anywhere; }
.command-line > span:last-child { white-space: nowrap; }
.command-prompt { color: var(--prompt); }
.terminal-output, .document-copy { margin-left: 24px; }
.intro-block .terminal-output { max-width: 630px; margin-top: 8px; }
.intro-copy { overflow-wrap: anywhere; }
.contact-reveal { margin-top: 24px; }
.contact-reveal__initial { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px; }
.text-action {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 5px;
  border: 1px solid var(--action-border);
  border-radius: 2px;
  background: var(--action-wash);
  color: var(--action-label);
  text-decoration: none;
}
.text-action:hover { color: var(--text-strong); border-color: var(--menu-accent); }
.contact-reveal__result { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px; }
.email-address { color: var(--menu-accent); overflow-wrap: anywhere; }
.contact-reveal__result .text-action { color: var(--text); border-color: var(--line); background: transparent; font-size: 12px; }
.contact-reveal__error { margin-top: 8px; color: var(--error); }
.noscript-contact { margin-top: 8px; }
.menu-block { margin-top: 32px; }
.menu-block > .terminal-output { margin-top: 8px; }
.menu-heading { margin-bottom: 8px; font-size: 15px; font-weight: 400; }
.terminal-menu { padding: 0; margin: 0; list-style: none; }
.menu-link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  width: fit-content;
  max-width: 100%;
  min-height: 30px;
  padding: 3px 0;
  color: var(--text);
  text-decoration: none;
  overflow-wrap: anywhere;
}
.menu-number { flex: 0 0 auto; color: var(--menu-accent); }
.menu-link:hover, .menu-link--current { color: var(--menu-accent); }
.menu-link--current .menu-number { color: var(--action-text); background: var(--action-fill); }
.menu-link--current { font-weight: 500; }
.menu-region:focus-visible { outline-offset: 7px; }
[data-document-region][aria-busy="true"] { opacity: .7; }
.document-output { margin-top: 32px; scroll-margin-top: 80px; animation: document-arrive 160ms ease-out; }
.document-output > .document-copy { margin-top: 8px; }
.document-copy { overflow-wrap: anywhere; }
.document-copy h1, .document-copy h2, .document-copy h3 { color: var(--text); font-size: 15px; line-height: 1.6; font-weight: 600; }
.document-copy h1 { margin-bottom: 16px; }
.document-copy h2 { margin-bottom: 16px; }
.document-copy h3 { margin: 20px 0 8px; }
.document-copy p + p { margin-top: 16px; }
.document-section { margin-top: 28px; }
.markdown-marker { color: var(--text-quiet); }
.capability-list, .experience-list, .credential-list, .resource-links { padding: 0; margin: 0; list-style: none; }
.capability-list > li, .experience-list > li { margin-top: 20px; }
.capability-list > li:first-child h3, .experience-list > li:first-child h3 { margin-top: 0; }
.technology-line { margin-top: 8px !important; }
.technology-line > span { font-weight: 600; }
.experience-date { margin-bottom: 8px; color: var(--text-quiet); }
.credential-list { margin-top: 16px; }
.credential-list > li, .resource-links > li { margin-top: 8px; }
.credential-list a, .resource-links a { text-decoration: none; }
.credential-list a:hover, .resource-links a:hover { text-decoration: underline; }
.credential-provider { color: var(--text-quiet); }
.link-marker { color: var(--menu-accent); }
.document-links { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 28px; }
.document-links a { display: inline-block; padding-block: 4px; }
.back-to-menu { display: inline-block; margin-top: 28px; padding-block: 4px; }
.terminal-ready { margin-top: 32px; }
.cursor { color: var(--cursor); animation: cursor-blink 1s steps(1, end) 4; }
@keyframes cursor-blink { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } }
@keyframes document-arrive { from { opacity: .65; transform: translateY(3px); } to { opacity: 1; transform: none; } }
/* Typed command: 18 ms per character. The text stays in the DOM; the animation only reveals it. */
.cmd-typed.is-typing { display: inline-block; overflow: hidden; white-space: nowrap; vertical-align: bottom; width: calc(var(--len) * 1ch + 1px); animation: type-in calc(var(--len) * 18ms) steps(var(--len)) both; }
@keyframes type-in { from { width: 0; } }
.menu-tools { margin: 16px 0 0; }
/* Shortcut state is visible: filled when on, outlined and muted when off. */
.shortcut-toggle[aria-pressed="false"] { background: transparent; border-color: var(--line-strong); color: var(--text-quiet); }

@media (max-width: 767px) {
  .terminal-screen { padding: 96px 24px 40px; }
  .home-summaries, .site-footer { padding-inline: 24px; }
  .terminal-output, .document-copy { margin-left: 16px; }
  .menu-link { min-height: 40px; padding-block: 7px; }
}
@media (max-width: 640px) {
  .terminal-bar { flex-wrap: wrap; gap: 0; padding: 5px 16px; }
  .terminal-brand { width: 100%; min-height: 25px; }
  .terminal-controls { width: 100%; gap: 16px; }
  .theme-choice { min-height: 36px; max-width: 130px; font-size: 16px; }
  .language-link, .exit-link { min-height: 36px; }
  .terminal-bar--entry { padding: 10px 16px; }
  .terminal-bar--entry .terminal-controls { width: auto; }
  .entry-role { max-width: 30ch; margin-inline: auto; }
}
@media (max-width: 360px) {
  .terminal-screen { padding-inline: 16px; }
  .home-summaries, .site-footer { padding-inline: 16px; }
  .terminal-output, .document-copy { margin-left: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .cmd-typed.is-typing { width: auto; overflow: visible; }
}
@media (forced-colors: active) {
  .menu-link--current { outline: 1px solid Highlight; }
  .entry-action { border-color: ButtonText; }
}