/* checkst website – tokens and sizes from the pencil design (1440 px artboard, 80 px gutters). */

@import url("fonts.css");

:root,
[data-theme="light"] {
  color-scheme: light;
  --bg: #f5f5f3;
  --surface: #ffffff;
  --surface-muted: #efefec;
  --surface-hover: #e8e8e4;
  --border: #e3e3df;
  --border-strong: #cfcfca;
  --text-primary: #1a1a19;
  --text-secondary: #5c5c58;
  --text-tertiary: #8a8a85;
  --accent: #1d7657;
  --accent-hover: #17654a;
  --accent-soft: #e2f1ea;
  --on-accent: #ffffff;
  --project: #6b45c4;
  --project-soft: #efeafb;
  --context: #1668a3;
  --context-soft: #e4f0f9;
  --prio-a: #c9440e;
  --prio-a-soft: #fbeae2;
  --prio-b: #a87400;
  --danger: #c4314b;
  --shot-shadow: 0 24px 60px #1a1a1926;
  --glow: 0 6px 18px #1d765740;
  --quick-card: #1b1b1d;
  --quick-card-border: #2e2e32;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #1b1b1d;
  --surface: #252528;
  --surface-muted: #202023;
  --surface-hover: #2e2e32;
  --border: #36363a;
  --border-strong: #48484d;
  --text-primary: #f1f1ef;
  --text-secondary: #a9a9a5;
  --text-tertiary: #76767a;
  --accent: #4dc393;
  --accent-hover: #62d1a3;
  --accent-soft: #1c3a2e;
  --on-accent: #0c1f17;
  --project: #b7a1f2;
  --project-soft: #2e2645;
  --context: #72b8e8;
  --context-soft: #1d3142;
  --prio-a: #f28a5b;
  --prio-a-soft: #3f2419;
  --prio-b: #e6b84c;
  --danger: #f17a86;
  --shot-shadow: 0 24px 60px #00000080;
  --glow: 0 6px 18px #4dc39330;
  --quick-card: #141416;
  --quick-card-border: #34343a;
}

:root {
  --font-display: "Outfit Variable", "Outfit", system-ui, sans-serif;
  --font-ui: "Inter Variable", "Inter", "Segoe UI", system-ui, sans-serif;
  --font-mono: "JetBrains Mono Variable", "JetBrains Mono", Consolas, monospace;
  --gutter: max(32px, calc((100% - 1280px) / 2));
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-primary);
  font: 16px/1.5 var(--font-ui);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

h1,
h2,
h3,
p {
  margin: 0;
}

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

svg {
  flex-shrink: 0;
}

.skip {
  position: absolute;
  left: -9999px;
}

.skip:focus {
  left: 16px;
  top: 16px;
  z-index: 10;
  padding: 8px 12px;
  background: var(--surface);
  border-radius: 8px;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

[data-theme="dark"] .only-light,
[data-theme="light"] .only-dark {
  display: none;
}

.eyebrow {
  font: 600 15px/1.2 var(--font-ui);
  color: var(--accent);
}

h2 {
  font: 600 48px/1.08 var(--font-display);
  letter-spacing: -1.4px;
}

.lead {
  font-size: 17px;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 20px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  transition: background 0.15s, transform 0.15s, box-shadow 0.15s;
}

.btn-sm {
  gap: 8px;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 14px;
}

.btn-lg {
  padding: 16px 24px;
  font-size: 16px;
}

.btn-xl {
  gap: 12px;
  padding: 18px 28px;
  border-radius: 12px;
  font-size: 17px;
  font-weight: 700;
}

.btn-accent {
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 600;
}

.btn-accent:hover {
  background: var(--accent-hover);
}

.btn-glow {
  box-shadow: var(--glow);
}

.btn-outline {
  box-shadow: inset 0 0 0 1px var(--border-strong);
}

.btn-outline:hover,
.btn-surface:hover,
.btn-quiet:hover {
  background: var(--surface-hover);
}

.btn-surface {
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--border-strong);
}

.btn-quiet {
  background: var(--bg);
  box-shadow: inset 0 0 0 1px var(--border);
}

.btn-white {
  background: #ffffff;
  color: #15573f;
  box-shadow: 0 10px 24px #0a2a1e55;
}

.btn-white:hover {
  transform: translateY(-1px);
}

/* ---------- navigation ---------- */

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px var(--gutter);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font: 600 26px/1 var(--font-display);
  letter-spacing: -0.6px;
}

.brand.small {
  font-size: 22px;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  gap: 36px;
  font-size: 15px;
  color: var(--text-secondary);
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-switch {
  display: inline-flex;
  gap: 4px;
  padding: 6px 10px;
  font-size: 13px;
  color: var(--text-tertiary);
}

.lang-switch a.active {
  color: var(--text-primary);
  font-weight: 600;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border-radius: 9px;
  background: var(--surface-muted);
  box-shadow: inset 0 0 0 1px var(--border);
}

.theme-toggle button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  padding: 0 7px;
  border: 0;
  border-radius: 6px;
  background: none;
  color: var(--text-tertiary);
  font: 500 13px var(--font-ui);
  cursor: pointer;
}

.theme-toggle button span {
  display: none;
}

.theme-toggle button[aria-checked="true"] {
  padding: 0 10px 0 8px;
  background: var(--surface);
  color: var(--text-primary);
  box-shadow: 0 1px 2px #0000001a;
}

.theme-toggle button[aria-checked="true"] span {
  display: inline;
}

/* ---------- hero ---------- */

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 88px var(--gutter) 0;
  text-align: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px 6px 8px;
  border-radius: 999px;
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--border);
  font-size: 13px;
  color: var(--text-secondary);
}

.badge-tag {
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
}

.hero h1 {
  max-width: 1000px;
  margin-top: 28px;
  font: 600 76px/1.02 var(--font-display);
  letter-spacing: -2.4px;
}

.hero-sub {
  max-width: 640px;
  margin-top: 24px;
  font-size: 20px;
  line-height: 1.5;
  color: var(--text-secondary);
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 36px;
}

.hero-meta {
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-tertiary);
}

.product-shot {
  width: 100%;
  max-width: 1280px;
  aspect-ratio: 1280 / 620;
  margin-top: 64px;
  overflow: hidden;
  border-radius: 14px 14px 0 0;
  box-shadow: var(--shot-shadow), 0 0 0 1px var(--border);
}

.product-shot img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- compat strip ---------- */

.compat {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 16px 40px;
  padding: 40px var(--gutter);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.compat-label {
  font-size: 14px;
  color: var(--text-tertiary);
}

.compat-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  color: var(--text-secondary);
}

/* ---------- features ---------- */

.features {
  display: flex;
  flex-direction: column;
  gap: 56px;
  padding: 120px var(--gutter);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
}

.section-head > div {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 720px;
}

.aside {
  color: var(--text-secondary);
}

.grid-row {
  display: grid;
  gap: 20px;
}

.row-1 {
  grid-template-columns: 760fr 500fr;
  min-height: 440px;
}

.row-2 {
  grid-template-columns: repeat(3, 1fr);
  min-height: 400px;
}

.row-3 {
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  padding: 8px 4px 0;
}

.card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
  padding: 36px;
  border-radius: 18px;
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--border);
}

.card-small {
  padding: 32px;
}

.card-text {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card h3 {
  font: 600 26px/1.2 var(--font-display);
  letter-spacing: -0.5px;
}

.card-small h3 {
  font-size: 24px;
  letter-spacing: -0.4px;
}

.card-text p {
  font-size: 16px;
  line-height: 1.55;
  color: var(--text-secondary);
}

.card-small .card-text p {
  font-size: 15px;
}

.syntax-demo {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 24px;
  border-radius: 12px;
  background: var(--surface-muted);
}

.raw-line {
  font-size: 15px;
  color: var(--text-secondary);
  overflow-wrap: anywhere;
}

.syntax-demo hr {
  width: 100%;
  height: 1px;
  margin: 0;
  border: 0;
  background: var(--border);
}

.task-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 8px;
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--border);
}

.checkbox {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  border-radius: 5px;
  background: var(--surface);
  box-shadow: inset 0 0 0 1.5px var(--border-strong);
}

.prio {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 20px;
  flex-shrink: 0;
  border-radius: 4px;
  font: 700 11px var(--font-mono);
}

.prio-a {
  background: var(--prio-a-soft);
  color: var(--prio-a);
}

.task-title {
  font-size: 15px;
  font-weight: 500;
}

.chip {
  display: inline-flex;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.25;
  white-space: nowrap;
}

.chip-project {
  background: var(--project-soft);
  color: var(--project);
}

.chip-context {
  background: var(--context-soft);
  color: var(--context);
}

.task-due {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  font-size: 13px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 13px;
  color: var(--text-tertiary);
}

.legend span {
  display: inline-flex;
  gap: 6px;
}

.legend code {
  font-weight: 600;
}

.tok-prio,
.tok-prio-a {
  color: var(--prio-a);
}

.tok-prio-b {
  color: var(--prio-b);
}

.tok-project {
  color: var(--project);
}

.tok-context {
  color: var(--context);
}

.tok-due {
  color: var(--text-primary);
}

.legend .tok-due {
  color: var(--text-primary);
}

/* quick-capture card: always the dark bar, as in the app */
.card-quick {
  background: var(--quick-card);
  box-shadow: inset 0 0 0 1px var(--quick-card-border);
}

.card-quick h3 {
  color: #f1f1ef;
}

.card-quick .card-text p {
  color: #a9a9a5;
}

.keys {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #76767a;
}

.keycap {
  display: inline-flex;
  align-items: center;
  padding: 3px 9px 2px;
  border-radius: 4px;
  border: 1px solid #48484d;
  border-bottom-width: 2px;
  background: #202023;
  color: #a9a9a5;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.2;
}

.quick-bar {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: 12px;
  background: #1e1e21;
  box-shadow: inset 0 0 0 1px #ffffff1f, 0 12px 28px #00000059;
  color: var(--text-primary);
  text-align: left;
}

.qb-input {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px 8px;
  font-size: 15px;
  white-space: nowrap;
  overflow: hidden;
}

.qb-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  border-radius: 7px;
  background: var(--accent);
}

.qb-text {
  margin-right: 5px;
}

.qb-context {
  margin-right: 5px;
  color: var(--context);
  font-weight: 500;
}

.qb-token {
  display: inline-flex;
  align-items: center;
}

.qb-typed {
  color: var(--project);
  font-weight: 500;
}

.qb-caret {
  width: 2px;
  height: 19px;
  background: var(--text-primary);
  animation: blink 1.1s steps(1) infinite;
}

.qb-ghost {
  color: var(--text-tertiary);
}

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

.qb-preview {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px 12px 50px;
  font-size: 11px;
  color: var(--text-tertiary);
  white-space: nowrap;
  overflow: hidden;
}

.qb-preview code {
  color: var(--text-secondary);
}

.qb-suggest {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 6px 8px 8px;
  border-top: 1px solid #ffffff14;
}

.qb-section {
  display: flex;
  justify-content: space-between;
  padding: 4px 8px;
  font-size: 11px;
  color: var(--text-tertiary);
}

.qb-section span:first-child {
  font-weight: 500;
}

.qb-item {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 34px;
  padding: 0 8px;
  border-radius: 7px;
  background: #ffffff12;
  font-size: 13px;
}

.qb-item > svg {
  color: var(--project);
}

.qb-name {
  flex: 1;
}

.qb-name b {
  color: var(--project);
  font-weight: 700;
}

.qb-meta {
  font-size: 11px;
  color: var(--text-tertiary);
}

.qb-item .keycap {
  padding: 1px 6px;
  font-size: 11px;
}

/* small feature cards */
.suggest-demo {
  display: flex;
  flex-direction: column;
  padding: 6px;
  border-radius: 10px;
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--border), 0 8px 20px #1a1a1914;
  font-size: 14px;
}

.sd-input {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}

.sd-input b {
  color: var(--project);
}

.sd-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 6px;
  color: var(--project);
  font-weight: 500;
}

.sd-row.active {
  background: var(--accent-soft);
}

.sd-row small {
  margin-left: auto;
  font-size: 12px;
  font-weight: 400;
  color: var(--text-tertiary);
}

.theme-demo {
  display: flex;
  height: 150px;
  overflow: hidden;
  border-radius: 10px;
  box-shadow: 0 0 0 1px var(--border);
}

.td {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
}

.td-light {
  background: #f5f5f3;
}

.td-dark {
  background: #1b1b1d;
}

.td-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 6px;
}

.td-light .td-row {
  background: #ffffff;
}

.td-dark .td-row {
  background: #252528;
}

.td-box {
  width: 12px;
  height: 12px;
  border-radius: 3px;
}

.td-light .td-box {
  background: #e3e3df;
}

.td-dark .td-box {
  background: #36363a;
}

.td-box.on {
  background: #1d7657;
}

.td-line {
  height: 6px;
  max-width: 70%;
  border-radius: 3px;
}

.td-light .td-line {
  background: #cfcfca;
}

.td-dark .td-line {
  background: #48484d;
}

.lang-demo {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ld-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 10px;
  background: var(--surface-muted);
}

.ld-row.active {
  box-shadow: inset 0 0 0 1.5px var(--accent);
}

.ld-code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: var(--surface);
  font: 700 12px var(--font-mono);
  color: var(--text-secondary);
}

.ld-row.active .ld-code {
  background: var(--accent-soft);
  color: var(--accent);
}

.ld-row b,
.ld-row small {
  display: block;
}

.ld-row b {
  font-size: 15px;
  font-weight: 600;
}

.ld-row small {
  font-size: 13px;
  color: var(--text-secondary);
}

.mini-feature {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.icon-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
}

.mini-feature b {
  font-weight: 600;
}

.mini-feature p {
  font-size: 15px;
  color: var(--text-secondary);
}

/* ---------- todo.txt ---------- */

.todotxt {
  display: grid;
  grid-template-columns: 520px 1fr;
  align-items: center;
  gap: 80px;
  padding: 120px var(--gutter);
  background: #141416;
  color: var(--text-primary);
}

.todotxt-text {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.points {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin: 0;
  padding: 16px 0 0;
  list-style: none;
}

.points li {
  display: flex;
  gap: 14px;
}

.points .icon-box {
  width: 36px;
  height: 36px;
  border-radius: 9px;
}

.points b,
.points span span {
  display: block;
}

.points b {
  font-weight: 600;
}

.points span span {
  font-size: 15px;
  color: var(--text-secondary);
}

.editor {
  overflow: hidden;
  border-radius: 12px;
  background: #1e1e21;
  box-shadow: inset 0 0 0 1px #36363a, 0 30px 60px #00000066;
}

.editor-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: #252528;
  border-bottom: 1px solid #36363a;
  font-size: 13px;
  color: var(--text-secondary);
}

.editor-bar .spacer {
  flex: 1;
}

.editor-bar code {
  font-size: 11px;
  color: var(--text-tertiary);
}

.editor-lines {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  padding: 22px 22px 26px 52px;
  font: 14px/1.4 var(--font-mono);
  counter-reset: line;
  list-style: none;
  overflow-x: auto;
}

.editor-lines li {
  position: relative;
  white-space: pre;
  counter-increment: line;
}

.editor-lines li::before {
  content: counter(line);
  position: absolute;
  left: -30px;
  color: #48484d;
}

.editor .tok-text {
  color: #f1f1ef;
}

.editor .tok-prio-a {
  color: #f28a5b;
}

.editor .tok-prio-b,
.editor .tok-due {
  color: #e6b84c;
}

.editor .tok-project {
  color: #b7a1f2;
}

.editor .tok-context {
  color: #72b8e8;
}

.editor .tok-done {
  color: #76767a;
}

.cursor {
  display: inline-block;
  width: 2px;
  height: 18px;
  vertical-align: middle;
  background: #4dc393;
  animation: blink 1.1s steps(1) infinite;
}

/* ---------- open source ---------- */

.open-source {
  display: grid;
  grid-template-columns: 480px 1fr;
  align-items: center;
  gap: 80px;
  padding: 120px var(--gutter);
}

.os-text {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.os-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 12px;
}

.repo-card {
  overflow: hidden;
  border-radius: 16px;
  background: var(--surface);
  box-shadow: inset 0 0 0 1px var(--border);
}

.repo-head {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 28px;
  border-bottom: 1px solid var(--border);
}

.repo-name {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  color: var(--text-secondary);
}

.repo-name b {
  color: var(--text-primary);
}

.repo-name:hover b {
  text-decoration: underline;
}

.public {
  padding: 2px 8px;
  border-radius: 999px;
  box-shadow: inset 0 0 0 1px var(--border-strong);
  font-size: 12px;
}

.repo-head p {
  font-size: 15px;
  color: var(--text-secondary);
}

.topics {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.topics a {
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--context-soft);
  color: var(--context);
  font-size: 12px;
  font-weight: 500;
}

.repo-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.repo-facts > div {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 28px;
}

.repo-facts > div + div {
  border-left: 1px solid var(--border);
}

.repo-facts span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-tertiary);
}

.repo-facts b {
  font-weight: 600;
}

.repo-facts a:hover {
  text-decoration: underline;
}

.repo-clone {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 28px;
  background: var(--surface-muted);
  border-top: 1px solid var(--border);
}

.repo-clone code {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 14px;
}

.repo-clone code span {
  margin-right: 12px;
  color: var(--text-tertiary);
}

.copy {
  display: inline-flex;
  border: 0;
  background: none;
  color: var(--text-secondary);
  cursor: pointer;
  font: inherit;
}

.copy.copied {
  color: var(--accent);
}

/* ---------- download ---------- */

.download {
  padding: 0 var(--gutter) 120px;
}

.download-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 80px 64px 64px;
  border-radius: 24px;
  background: linear-gradient(180deg, #1f7c5c, #15573f);
  color: #ffffff;
  text-align: center;
}

.download-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 88px;
  height: 88px;
  border-radius: 22px;
  background: #ffffff1a;
  box-shadow: inset 0 0 0 1px #ffffff33;
}

.download-box h2 {
  margin-top: 32px;
  font-size: 56px;
  letter-spacing: -1.6px;
}

.download-box .lead {
  margin-top: 16px;
  font-size: 18px;
  color: #d6efe4;
}

.download-box .btn-white {
  margin-top: 36px;
}

.download-meta {
  margin-top: 14px;
  font-size: 13px;
  color: #a8d9c3;
}

.download-meta a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.download-options {
  display: grid;
  grid-auto-columns: 1fr;
  grid-auto-flow: column;
  gap: 16px;
  width: 100%;
  margin-top: 48px;
}

.option {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px;
  border: 0;
  border-radius: 14px;
  background: #ffffff12;
  box-shadow: inset 0 0 0 1px #ffffff26;
  color: #ffffff;
  text-align: left;
  font: inherit;
  cursor: pointer;
  transition: background 0.15s;
}

.option:hover {
  background: #ffffff1f;
}

.option-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.option-head svg:first-child {
  color: #bfebd6;
}

.option-head svg:last-child {
  margin-left: auto;
  color: #a8d9c3;
}

.option-head b {
  font-weight: 600;
}

.option code {
  font-size: 13px;
  color: #bfebd6;
}

.option p {
  font-size: 14px;
  line-height: 1.5;
  color: #d6efe4;
}

/* ---------- faq ---------- */

.faq {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 80px;
  padding: 40px var(--gutter) 120px;
}

.faq-head {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-list details {
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
}

.faq-list details:first-child {
  border-top: 1px solid var(--border);
}

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 19px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary svg {
  color: var(--text-tertiary);
}

.faq-list details[open] summary .lucide-plus,
.faq-list details:not([open]) summary .lucide-minus {
  display: none;
}

.faq-list p {
  margin-top: 10px;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* ---------- footer ---------- */

.footer {
  display: flex;
  flex-direction: column;
  gap: 40px;
  padding: 56px var(--gutter) 40px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  font-size: 14px;
  color: var(--text-secondary);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  gap: 40px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 320px;
}

.footer-brand .brand {
  color: var(--text-primary);
}

.footer-cols {
  display: flex;
  gap: 72px;
}

.footer-cols > div {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-cols b {
  color: var(--text-primary);
  font-weight: 600;
}

.footer-cols a:hover,
.footer-lang a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-tertiary);
}

.footer-lang {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-lang a.active {
  color: var(--text-primary);
  font-weight: 600;
}

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

@media (max-width: 1100px) {
  .nav-links {
    display: none;
  }
}

@media (max-width: 980px) {
  .row-1 {
    grid-template-columns: 1fr;
  }

  .todotxt,
  .open-source,
  .faq {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .row-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .row-2 {
    grid-template-columns: 1fr;
  }

  .download-options {
    grid-auto-flow: row;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-top {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .nav {
    padding-block: 14px;
  }

  .hide-sm,
  .lang-switch {
    display: none;
  }

  .hero {
    padding-top: 48px;
  }

  .hero h1 {
    font-size: 44px;
    letter-spacing: -1.2px;
  }

  .hero-sub {
    font-size: 17px;
  }

  h2,
  .download-box h2 {
    font-size: 34px;
    letter-spacing: -0.8px;
  }

  .features,
  .todotxt,
  .open-source {
    padding-block: 72px;
  }

  .card,
  .card-small {
    padding: 22px;
  }

  .row-3 {
    grid-template-columns: 1fr;
  }

  .task-row {
    flex-wrap: wrap;
  }

  .repo-facts {
    grid-template-columns: 1fr;
  }

  .repo-facts > div + div {
    border-left: 0;
    border-top: 1px solid var(--border);
  }

  .download-box {
    padding: 48px 20px 24px;
  }

  .footer-cols {
    flex-wrap: wrap;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}