/* zachsibert.com - one stylesheet, no build step.
   Palette: one warm amber, near-black ink, off-white paper.
   The board mock stays dark in both schemes because it is a terminal. */

:root {
  --paper: #f6f1e6;
  --paper-2: #ede6d6;
  --ink: #16161d;
  --ink-2: #4f4b44;
  --line: #16161d;
  --shadow: #16161d;
  --focus: #16161d;
  --dot: rgba(22, 22, 29, 0.14);
  --amber: #f5a623;
  --on-amber: #16161d;
  --board-bg: #1b1b26;
  --board-fg: #e6e3dc;
  --board-dim: #9297ad;
  --board-blue: #4b5a8c;
  --board-amber: #ffaf00;
  --board-red: #ee6b63;
  --board-green: #7fc97f;
  --board-sel: #f4f1ea;
  --board-bar: #d8d5cd;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #14141b;
    --paper-2: #1d1d28;
    --ink: #ece7dc;
    --ink-2: #b6b0a5;
    --line: #ece7dc;
    --shadow: #ece7dc;
    --focus: #ffb52e;
    --dot: rgba(236, 231, 220, 0.1);
    --amber: #ffb52e;
  }
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

body {
  margin: 0;
  background: var(--paper);
  background-image: radial-gradient(var(--dot) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.5;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

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

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

code,
kbd,
pre {
  font-family: var(--mono);
}

p code {
  font-size: 0.92em;
  padding: 0.05em 0.3em;
  border: 1px solid var(--ink-2);
}

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

.wrap {
  width: 100%;
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 48em) {
  .wrap {
    padding: 0 2rem;
  }
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  padding: 0.5rem 1rem;
  background: var(--amber);
  color: var(--on-amber);
  border: 3px solid var(--line);
  font-family: var(--mono);
  font-weight: 700;
  z-index: 10;
}

.skip:focus {
  top: 1rem;
}

/* Header */

.site-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
  border-bottom: 3px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
}

.brand svg {
  width: 22px;
  height: 24px;
  flex: none;
}

.site-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  margin: 0;
  padding: 0;
  font-family: var(--mono);
  font-size: 0.9rem;
}

.site-nav a {
  text-decoration: none;
  padding: 0.2rem 0;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover {
  border-bottom-color: var(--amber);
}

/* Hero */

.hero {
  display: grid;
  gap: 2.5rem;
  padding-top: 3rem;
  padding-bottom: 3.5rem;
  align-items: center;
}

@media (min-width: 64em) {
  .hero {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 3.5rem;
    padding-top: 4.5rem;
    padding-bottom: 5rem;
  }
}

.hero-copy {
  min-width: 0;
}

.eyebrow {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  margin: 0;
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.tag {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  background: var(--amber);
  color: var(--on-amber);
  border: 2px solid var(--line);
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
}

h1 {
  margin: 0.9rem 0 1rem;
  font-family: var(--mono);
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.04em;
  overflow-wrap: anywhere;
}

h1 .cursor {
  display: inline-block;
  width: 0.5em;
  height: 0.85em;
  margin-left: 0.08em;
  background: var(--amber);
  vertical-align: -0.06em;
  animation: blink 1.1s steps(1) infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.pitch {
  margin: 0 0 1.75rem;
  max-width: 34ch;
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  font-weight: 500;
  line-height: 1.35;
}

.install {
  border: 3px solid var(--line);
  background: var(--board-bg);
  color: var(--board-fg);
  box-shadow: 6px 6px 0 var(--shadow);
  font-family: var(--mono);
  min-width: 0;
}

.install-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.4rem 0.4rem 0.4rem 0.8rem;
  border-bottom: 2px solid var(--board-blue);
  font-size: 0.78rem;
  color: var(--board-dim);
}

.install pre {
  margin: 0;
  padding: 0.9rem 0.9rem 1rem;
  font-size: 0.92rem;
  line-height: 1.55;
  white-space: pre-wrap;
  overflow-wrap: break-word;
}

.install .prompt {
  color: var(--board-amber);
  user-select: none;
}

.copy {
  font: inherit;
  font-weight: 700;
  color: var(--board-fg);
  background: transparent;
  border: 2px solid var(--board-dim);
  padding: 0.15rem 0.6rem;
  cursor: pointer;
}

.copy:hover {
  border-color: var(--board-amber);
  color: var(--board-amber);
}

.copy:focus-visible {
  outline-color: var(--board-amber);
}

.install-note {
  margin: 1rem 0 1.5rem;
  color: var(--ink-2);
  font-size: 0.95rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  display: inline-block;
  padding: 0.65rem 1.1rem;
  font-family: var(--mono);
  font-weight: 700;
  text-decoration: none;
  color: var(--ink);
  background: var(--paper);
  border: 3px solid var(--line);
  box-shadow: 4px 4px 0 var(--shadow);
  transition: transform 0.08s ease, box-shadow 0.08s ease;
}

.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--shadow);
}

.btn:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--shadow);
}

.btn-amber {
  background: var(--amber);
  color: var(--on-amber);
}

/* Board mock: a CSS drawing of the real six-pane layout */

.board {
  font-family: var(--mono);
  font-size: clamp(0.6rem, 1.35vw, 0.78rem);
  line-height: 1.45;
  background: var(--board-bg);
  color: var(--board-fg);
  border: 3px solid var(--line);
  box-shadow: 8px 8px 0 var(--shadow);
  padding: 0.5rem 0.6rem 0.6rem;
  min-width: 0;
  overflow: hidden;
}

@media (min-width: 64em) {
  .board {
    font-size: 0.72rem;
  }
}

.board-title {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.15em 0.6em;
  background: var(--board-bar);
  color: #1b1b26;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
}

.board-title span {
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.pane {
  position: relative;
  border: 2px solid var(--board-blue);
  margin-top: 1.1em;
  padding: 0.6em 0.4em 0.35em;
}

.pane-t {
  position: absolute;
  top: -0.8em;
  left: 0.6em;
  padding: 0 0.3em;
  background: var(--board-bg);
  color: var(--board-dim);
  white-space: nowrap;
}

.pane.focus {
  border-color: var(--board-amber);
}

.pane.focus .pane-t {
  color: var(--board-amber);
  font-weight: 700;
}

.row {
  display: grid;
  grid-template-columns: 7ch minmax(0, 11ch) minmax(0, 1fr) 4ch;
  gap: 0 1ch;
  padding: 0 0.3em;
  white-space: nowrap;
}

@media (min-width: 40em) {
  .row {
    grid-template-columns: 8ch minmax(0, 18ch) minmax(0, 1fr) 5ch;
  }
}

.row > span {
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.row.head {
  font-weight: 700;
  text-decoration: underline;
}

.row .r {
  text-align: right;
}

.row.sel {
  background: var(--board-sel);
  color: #1b1b26;
}

.c-amber {
  color: var(--board-amber);
}

.c-red {
  color: var(--board-red);
}

.c-green {
  color: var(--board-green);
}

.c-dim {
  color: var(--board-dim);
}

.board-keys {
  margin-top: 0.8em;
  padding: 0 0.3em;
  color: var(--board-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.board-keys b {
  color: var(--board-fg);
  font-weight: 700;
}

/* Sections */

.section {
  padding: 3.5rem 0;
  border-top: 3px solid var(--line);
}

@media (min-width: 64em) {
  .section {
    padding: 5rem 0;
  }
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 1.5rem;
  margin-bottom: 1rem;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.num {
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--ink-2);
}

.lede {
  margin: 0 0 2.25rem;
  max-width: 62ch;
  font-size: 1.15rem;
  color: var(--ink-2);
}

/* Panes */

.panes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
}

.card {
  min-width: 0;
  padding: 1.25rem;
  border: 3px solid var(--line);
  background: var(--paper-2);
  box-shadow: 6px 6px 0 var(--shadow);
  display: grid;
  gap: 0.75rem;
  align-content: start;
}

.card h3 {
  margin: 0;
  font-family: var(--mono);
  font-size: 1.15rem;
  line-height: 1.25;
}

.card p {
  margin: 0;
  color: var(--ink-2);
}

.key {
  display: inline-grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.05rem;
  background: var(--amber);
  color: var(--on-amber);
  border: 2px solid var(--line);
  box-shadow: 3px 3px 0 var(--shadow);
}

/* Keys */

.keys {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem 2.5rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
}

.keys li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.keys h3 {
  margin: 0 0 0.25rem;
  font-size: 1.1rem;
}

.keys p {
  margin: 0;
  color: var(--ink-2);
}

kbd.cap {
  display: inline-grid;
  place-items: center;
  min-width: 2.75rem;
  height: 2.75rem;
  padding: 0 0.7rem;
  font-family: var(--mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ink);
  background: var(--paper-2);
  border: 3px solid var(--line);
  border-radius: 4px;
  box-shadow: 0 4px 0 var(--shadow);
}

.more-keys {
  margin: 2.5rem 0 0;
  padding: 1rem 1.25rem;
  border: 3px dashed var(--line);
  font-family: var(--mono);
  font-size: 0.9rem;
  line-height: 2;
}

.more-keys kbd {
  font-weight: 700;
  padding: 0.1rem 0.4rem;
  border: 2px solid var(--line);
  background: var(--paper-2);
  margin-right: 0.35rem;
}

.more-keys span {
  display: inline-block;
  margin-right: 1.25rem;
}

/* How it fits */

.fits {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
  margin: 0 0 2.5rem;
}

.fits .card h3 {
  font-family: var(--sans);
  font-size: 1.25rem;
}

.fits .card h3 span {
  display: inline-block;
  padding: 0 0.4rem;
  margin-right: 0.35rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  background: var(--amber);
  color: var(--on-amber);
  border: 2px solid var(--line);
  vertical-align: 0.1em;
}

.fits ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--ink-2);
}

.fits li + li {
  margin-top: 0.35rem;
}

.facts {
  margin: 0;
  display: grid;
  gap: 1.25rem 2rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
}

.facts div {
  min-width: 0;
  padding-top: 0.75rem;
  border-top: 3px solid var(--line);
}

.facts dt {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.facts dd {
  margin: 0.35rem 0 0;
  color: var(--ink-2);
}

/* Screenshot */

.shot {
  margin: 0;
}

.shot .frame {
  border: 3px solid var(--line);
  box-shadow: 8px 8px 0 var(--shadow);
  background: var(--board-bg);
}

.shot figcaption {
  margin-top: 1.25rem;
  max-width: 62ch;
  font-size: 0.95rem;
  color: var(--ink-2);
}

/* About */

.about {
  display: grid;
  gap: 1.5rem 2rem;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
}

.avatar {
  display: grid;
  place-items: center;
  width: 5.5rem;
  height: 5.5rem;
  font-family: var(--mono);
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  background: var(--amber);
  color: var(--on-amber);
  border: 3px solid var(--line);
  box-shadow: 5px 5px 0 var(--shadow);
}

.about h2 {
  margin: 0 0 0.25rem;
  font-size: clamp(1.6rem, 3.5vw, 2.25rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.about .role {
  margin: 0 0 1rem;
  font-family: var(--mono);
  color: var(--ink-2);
}

.about p {
  max-width: 60ch;
}

/* Footer */

.site-foot {
  border-top: 3px solid var(--line);
  padding-top: 1.5rem;
  padding-bottom: 2.5rem;
  font-family: var(--mono);
  font-size: 0.9rem;
}

.site-foot ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}