/* kqso.eu — monochrome like the app (web/src/theme/tokens.css): ink on paper, the log
   line in monospace, the one colour is the app's danger red (DUPE / ERROR). */

:root {
  --ink: #1a1a1a;
  --paper: #ffffff;
  --surface: #f6f6f6;
  --muted: #646464;
  --line: #cfcfcf;
  --red: #b00020;
  --radius: 5px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, 'Liberation Mono', monospace;
  --sans: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  --wide: 72rem;
  --text: 44rem;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e8e8e8;
    --paper: #131313;
    --surface: #1f1f1f;
    --muted: #a0a0a0;
    --line: #3a3a3a;
    --red: #ff6b7f;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
  font-size: 14px;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 1rem/1.6 var(--sans);
  overflow-x: hidden;
}
img,
video {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: inherit;
  text-underline-offset: 0.18em;
  text-decoration-thickness: 1px;
}
a:hover {
  text-decoration-thickness: 2px;
}
:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 2px;
  border-radius: 2px;
}
.mono,
code,
kbd {
  font-family: var(--mono);
  font-size: 0.94em;
}
code {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 0 0.25em;
  white-space: nowrap;
}
kbd {
  border: 1px solid var(--ink);
  border-bottom-width: 2px;
  border-radius: 3px;
  padding: 0 0.3em;
}
h1,
h2,
h3 {
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
h1 {
  font-size: clamp(1.75rem, 4.2vw, 2.6rem);
  font-weight: 800;
  margin: 0 0 1rem;
  letter-spacing: -0.035em;
}
h2 {
  font-size: clamp(1.3rem, 2.4vw, 1.6rem);
  font-weight: 750;
  margin: 0 0 0.75rem;
}
h3 {
  font-size: 1.15rem;
  margin: 1.5rem 0 0.4rem;
}
p {
  margin: 0 0 1rem;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 0.5rem 1rem;
  z-index: 10;
}
.skip:focus {
  left: 0;
}

/* Header */
.top {
  position: sticky;
  top: 0;
  z-index: 5;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.top-in {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0.6rem 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.brand {
  flex: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  font-size: 1.2rem;
  text-decoration: none;
  letter-spacing: -0.02em;
}
.brand img {
  border-radius: 6px;
}
.nav {
  display: flex;
  gap: 0.25rem 1.1rem;
  align-items: center;
  margin-left: auto;
  font-size: 0.95rem;
}
.nav a {
  text-decoration: none;
  padding: 0.2rem 0;
  border-bottom: 2px solid transparent;
}
.nav a:hover,
.nav a[aria-current='page'] {
  border-bottom-color: var(--ink);
}
.langs {
  display: inline-flex;
  flex: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font: 600 0.75rem var(--mono);
  letter-spacing: 0.04em;
  overflow: hidden;
}
.langs > * {
  padding: 0.35rem 0.5rem;
  text-decoration: none;
  color: var(--muted);
}
.langs > a:hover {
  color: var(--ink);
  background: var(--surface);
}
.langs [aria-current] {
  background: var(--ink);
  color: var(--paper);
}
.menu-btn {
  display: none;
}
@media (max-width: 62rem) {
  .menu-btn {
    display: block;
    margin-left: auto;
    font: inherit;
    font-size: 0.95rem;
    background: none;
    color: inherit;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 0.35rem 0.75rem;
    cursor: pointer;
  }
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 0.25rem 1rem 0.75rem;
  }
  .nav.open {
    display: flex;
  }
  .nav a {
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--line);
  }
  .nav a:last-child {
    border-bottom: 0;
  }
  .nav a[aria-current='page'] {
    font-weight: 700;
    border-bottom-color: var(--line);
  }
}
/* On a phone the switch moves into the menu, so the top row fits. */
.nav-langs {
  display: none;
}
@media (max-width: 36rem) {
  .top-in > .langs {
    display: none;
  }
  .nav-langs {
    display: block;
    padding: 0.75rem 0 0.25rem;
  }
  .nav-langs .langs > * {
    padding: 0.45rem 0.9rem;
    font-size: 0.85rem;
    border-bottom: 0;
  }
  .top-in {
    gap: 0.5rem;
  }
  .top-open {
    padding: 0.4rem 0.7rem;
    font-size: 0.9rem;
  }
}
/* The narrowest phones: the icon alone is the brand. */
@media (max-width: 21.5rem) {
  .brand span {
    display: none;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.6rem;
  padding: 0.5rem 1.05rem;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  font-weight: 650;
  font-size: 0.98rem;
  text-decoration: none;
  white-space: nowrap;
  line-height: 1.2;
}
.btn:hover {
  background: var(--surface);
}
.btn-ink {
  background: var(--ink);
  color: var(--paper);
}
.btn-ink:hover {
  background: var(--ink);
  opacity: 0.88;
}
.btn svg {
  width: 1.15em;
  height: 1.15em;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}
.btn small {
  display: block;
  font-weight: 400;
  font-size: 0.72rem;
  opacity: 0.75;
}
.btns {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

/* Layout */
.wrap {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 1rem;
}
.text {
  max-width: var(--text);
}
.band {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}
.band + .band {
  border-top: 1px solid var(--line);
}
.band-grey {
  background: var(--surface);
}
.lead {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 38rem;
}
.eyebrow {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.6rem;
}

/* Hero: the log line is the thesis */
.hero {
  padding: clamp(2.5rem, 7vw, 5rem) 0 clamp(3rem, 7vw, 5rem);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (max-width: 56rem) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
}
.hero .lead {
  margin-bottom: 1.6rem;
}
.hero-note {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--muted);
}

/* The input line and its chips, drawn as the app does */
.logline {
  border: 2px solid var(--ink);
  border-radius: 10px;
  padding: clamp(1rem, 3vw, 1.6rem);
  background: var(--paper);
  box-shadow: 6px 6px 0 var(--ink);
}
.logline-ctx {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.6rem;
  margin-bottom: 1rem;
}
.logline-ctx b {
  color: var(--ink);
  font-weight: 700;
}
.logline-input {
  font-family: var(--mono);
  font-size: clamp(1.15rem, 3.2vw, 1.6rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 2px solid var(--ink);
  border-radius: 6px;
  padding: 0.45em 0.6em;
  min-height: 2.2em;
  white-space: nowrap;
  overflow: hidden;
}
.logline-input .caret {
  display: inline-block;
  width: 0.09em;
  height: 1.05em;
  background: var(--ink);
  vertical-align: -0.15em;
  margin-left: 0.04em;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink {
  50% {
    opacity: 0;
  }
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.9rem;
  min-height: 2.3rem;
  align-content: flex-start;
}
@media (max-width: 36rem) {
  .chips {
    min-height: 4.9rem;
  }
}
.chip {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  font-family: var(--mono);
  font-size: 1rem;
  font-weight: 600;
  background: var(--ink);
  color: var(--paper);
  border: 2px solid var(--ink);
  border-radius: 5px;
  padding: 0.22rem 0.55rem;
}
.chip small {
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  opacity: 0.7;
}
.chip.missing {
  background: transparent;
  color: var(--muted);
  border-style: dashed;
  border-color: var(--muted);
}
.chip.in {
  animation: chip-in 0.18s ease-out;
}
@keyframes chip-in {
  from {
    transform: translateY(4px);
    opacity: 0;
  }
}
.logline-saved {
  margin-top: 1rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--muted);
  min-height: 1.4em;
}
.logline-dots {
  display: flex;
  gap: 0.35rem;
  margin-top: 0.9rem;
}
.logline-dots button {
  font: 0.75rem var(--mono);
  color: var(--muted);
  background: none;
  border: 1px solid var(--line);
  border-radius: 99px;
  padding: 0.15rem 0.6rem;
  cursor: pointer;
}
.logline-dots button[aria-pressed='true'] {
  color: var(--paper);
  background: var(--ink);
  border-color: var(--ink);
}

/* Use cases: each card opens with the line you'd type there */
.uses {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15.5rem, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}
.use {
  display: flex;
  flex-direction: column;
  border: 2px solid var(--ink);
  border-radius: 8px;
  padding: 1.1rem 1.1rem 1rem;
  text-decoration: none;
  background: var(--paper);
  transition: transform 0.12s, box-shadow 0.12s;
}
.use:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--ink);
}
.use h3 {
  margin: 0.9rem 0 0.35rem;
  font-size: 1.2rem;
}
.use p {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0;
  flex: 1;
}
.use .more {
  margin-top: 0.9rem;
  font-weight: 650;
  font-size: 0.92rem;
}
.typed {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1.5px solid var(--ink);
  border-radius: 4px;
  padding: 0.35rem 0.55rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Features */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14.5rem, 1fr));
  gap: 1.75rem 2rem;
  margin-top: 2rem;
}
.feature h3 {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}
.feature svg,
.icon {
  width: 1.4rem;
  height: 1.4rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}
.feature p {
  color: var(--muted);
  font-size: 0.96rem;
  margin: 0;
}

/* Screenshots */
.shots {
  display: flex;
  gap: 1.25rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding: 0.25rem 1rem 1.25rem;
  margin-top: 2rem;
  /* Full width, the edges fade out: the screenshots drift through. */
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent);
}
.shots::-webkit-scrollbar {
  display: none;
}
/* site.js moves it; snapping would fight every small step. */
.shots.drift {
  scroll-snap-type: none;
}
.shots figure {
  margin: 0;
  flex: none;
  scroll-snap-align: start;
}
.shots img {
  height: min(68vh, 34rem);
  width: auto;
  max-width: none;
  border: 2px solid var(--ink);
  border-radius: 10px;
}
.shots figcaption,
.shot figcaption {
  font-size: 0.86rem;
  color: var(--muted);
  margin-top: 0.5rem;
  max-width: 22rem;
}
.shots-nav {
  display: flex;
  justify-content: center;
  gap: 4rem;
  margin-top: 0.5rem;
}
.shots-nav button {
  font: 600 1.1rem var(--mono);
  width: 2.6rem;
  height: 2.6rem;
  color: var(--ink);
  background: var(--paper);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  cursor: pointer;
}
.shots-nav button:hover {
  background: var(--surface);
}

/* Platforms */
.platforms {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}
.platform {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.2rem;
  background: var(--paper);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.platform h3 {
  margin: 0;
}
.platform p {
  font-size: 0.95rem;
  color: var(--muted);
  margin: 0 0 0.5rem;
  flex: 1;
}

/* Content pages */
.page-head {
  padding: clamp(2.5rem, 6vw, 4rem) 0 1rem;
}
.page-head .lead {
  margin: 0;
}
.split {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: start;
}
.split.flip > :first-child {
  order: 2;
}
@media (max-width: 52rem) {
  .split {
    grid-template-columns: 1fr;
  }
  .split.flip > :first-child {
    order: 0;
  }
}
.shot {
  margin: 0;
}
.shot img,
.shot video {
  border: 2px solid var(--ink);
  border-radius: 8px;
  width: 100%;
}
.shot.phone img {
  max-width: 20rem;
}
.ticks {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}
.ticks li {
  position: relative;
  padding-left: 1.5rem;
  margin: 0.45rem 0;
}
.ticks li::before {
  content: '';
  position: absolute;
  left: 0.15rem;
  top: 0.62em;
  width: 0.55rem;
  height: 0.55rem;
  border: 2px solid var(--ink);
  border-radius: 2px;
}
.example {
  margin: 1rem 0 1.25rem;
  border-left: 3px solid var(--ink);
  padding: 0.2rem 0 0.2rem 1rem;
}
.example .typed {
  display: inline-block;
  max-width: 100%;
  margin-bottom: 0.4rem;
}
.example p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--muted);
}
.dupe {
  background: var(--ink);
  color: var(--paper);
}
.red {
  color: var(--red);
}
table.refs {
  border-collapse: collapse;
  margin: 0.5rem 0 1.25rem;
  font-size: 0.95rem;
}
table.refs th,
table.refs td {
  text-align: left;
  padding: 0.35rem 1.25rem 0.35rem 0;
  border-bottom: 1px solid var(--line);
}
table.refs td {
  font-family: var(--mono);
}
.callout {
  border: 2px solid var(--ink);
  border-radius: 8px;
  padding: 1.25rem 1.4rem;
  margin: 2rem 0;
}
.callout p:last-child {
  margin: 0;
}

/* A row of phone screenshots (the chat) */
.shot-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  align-items: start;
  margin-top: 2rem;
}
@media (max-width: 52rem) {
  .shot-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .shot-row > :last-child {
    grid-column: 1 / -1;
  }
}

/* News */
.release {
  display: grid;
  grid-template-columns: 6rem minmax(0, 1fr);
  gap: 1rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
}
.release h2 {
  font-size: 1.6rem;
  margin: 0;
}
.release ul {
  margin: 0;
  padding-left: 1.1rem;
}
.release li {
  margin: 0 0 0.6rem;
}
@media (max-width: 36rem) {
  .release {
    grid-template-columns: 1fr;
    gap: 0.4rem;
  }
}

/* FAQ */
.faq details {
  border-top: 1px solid var(--line);
  padding: 0.9rem 0;
}
.faq details:last-of-type {
  border-bottom: 1px solid var(--line);
}
.faq summary {
  font-weight: 650;
  cursor: pointer;
  font-size: 1.05rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary::after {
  content: '+';
  font-family: var(--mono);
  font-weight: 400;
  font-size: 1.3rem;
  line-height: 1;
}
.faq details[open] summary::after {
  content: '−';
}
.faq details > div {
  padding-top: 0.6rem;
  color: var(--muted);
}
.faq details > div p:last-child {
  margin: 0;
}

/* Footer */
.foot {
  border-top: 2px solid var(--ink);
  margin-top: 3rem;
}
.foot-in {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 1.5rem 1rem 2.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 2rem;
  font-size: 0.9rem;
  color: var(--muted);
}
.foot-in p {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.foot-in img {
  border-radius: 4px;
}
.foot-links {
  flex-wrap: wrap;
  gap: 0.4rem 1.1rem !important;
}

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