:root {
  --bg: #0e0e10;
  --bg-elev: #16161a;
  --fg: #ececec;
  --fg-dim: #8a8a90;
  --accent: #7aa7ff;
  --accent-strong: #5b8def;
  --accent-fg: #0a0e1c;
  --border: rgba(255, 255, 255, 0.08);
  --surface: rgba(28, 28, 32, 0.7);
  --grid: rgba(255, 255, 255, 0.025);
  --max-w: 1040px;

  /* Mock-note syntax colors */
  --ex-comment: #8a8a90;
  --ex-heading: #ececec;
  --ex-var: #9ecbff;
  --ex-num: #f5a97f;
  --ex-op: #6f6f76;
  --ex-result: #a6da95;
  --ex-keyword: #c6a0f6;
  --ex-unit: #7a7a83;
  --ex-string: #e0c46c;
  --ex-check-done: #6f7d6a;
  --ex-check-todo: #ececec;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #faf9f5;
    --bg-elev: #ffffff;
    --fg: #1a1a1f;
    --fg-dim: #62626a;
    --accent: #2f6dee;
    --accent-strong: #1d4ed8;
    --accent-fg: #ffffff;
    --border: rgba(0, 0, 0, 0.09);
    --surface: rgba(255, 255, 255, 0.7);
    --grid: rgba(0, 0, 0, 0.04);

    --ex-comment: #6a6a72;
    --ex-heading: #1a1a1f;
    --ex-var: #1f5cb8;
    --ex-num: #b85b1a;
    --ex-op: #7a7a83;
    --ex-result: #2c7a2c;
    --ex-keyword: #7a3fbf;
    --ex-unit: #6a6a72;
    --ex-string: #a87a14;
    --ex-check-done: #8a8a90;
    --ex-check-todo: #1a1a1f;
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family:
    -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  letter-spacing: -0.005em;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 32px 32px;
}

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

code,
kbd {
  font-family:
    "JetBrains Mono", "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.88em;
}

code {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--accent);
}

kbd {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  padding: 1px 7px;
  border-radius: 5px;
  font-size: 0.85em;
  color: var(--fg);
}

/* --- Nav --------------------------------------------------------------- */

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 20px 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.04em;
  text-transform: lowercase;
}
.brand img {
  border-radius: 6px;
}

.nav nav {
  display: flex;
  gap: 24px;
}
.nav nav a {
  font-size: 13px;
  color: var(--fg-dim);
  transition: color 0.18s ease;
}
.nav nav a:hover {
  color: var(--fg);
}

/* --- Hero -------------------------------------------------------------- */

.hero {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
  padding: 80px 28px 100px;
  text-align: center;
}
.hero::before {
  content: "";
  position: absolute;
  top: 40px;
  left: 50%;
  transform: translateX(-50%);
  width: 520px;
  height: 320px;
  background:
    radial-gradient(
      ellipse at center,
      rgba(122, 167, 255, 0.18),
      transparent 65%
    );
  filter: blur(20px);
  pointer-events: none;
  z-index: -1;
}
@media (prefers-color-scheme: light) {
  .hero::before {
    background: radial-gradient(
      ellipse at center,
      rgba(47, 109, 238, 0.1),
      transparent 65%
    );
  }
}

.hero-logo {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
  margin-bottom: 36px;
}

.hero h1 {
  font-size: clamp(36px, 6vw, 60px);
  line-height: 1.05;
  margin: 0 0 24px;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.hero .lede {
  font-size: 18px;
  color: var(--fg-dim);
  max-width: 620px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

.cta {
  display: inline-flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 8px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition:
    background 0.18s ease,
    border-color 0.18s ease,
    color 0.18s ease,
    transform 0.12s ease;
}
.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-fg);
}
.btn-primary:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  color: var(--accent-fg);
}

.btn-ghost {
  background: transparent;
  color: var(--fg);
}
.btn-ghost:hover {
  background: var(--bg-elev);
}

.kbd-hint {
  margin-top: 28px;
  font-size: 13px;
  color: var(--fg-dim);
}

/* --- Examples ---------------------------------------------------------- */

.examples {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 40px 28px 80px;
}

.examples-intro {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 48px;
}
.examples-intro h2 {
  margin: 0 0 16px;
}
.examples-intro p {
  color: var(--fg-dim);
  font-size: 16px;
  margin: 0;
}

.example-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 18px;
}

.note-mock {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.02) inset,
    0 24px 48px rgba(0, 0, 0, 0.28);
  transition:
    transform 0.22s ease,
    border-color 0.22s ease;
  display: flex;
  flex-direction: column;
}
.note-mock:hover {
  transform: translateY(-3px);
  border-color: rgba(122, 167, 255, 0.28);
}

.note-mock-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.02),
    transparent
  );
}
.note-mock-dots {
  display: inline-flex;
  gap: 6px;
}
.note-mock-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
}
@media (prefers-color-scheme: light) {
  .note-mock-dots span {
    background: rgba(0, 0, 0, 0.12);
  }
}
.note-mock-title {
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-dim);
  margin-left: 6px;
}
.note-mock-meta {
  margin-left: auto;
  font-size: 11px;
  color: var(--fg-dim);
  font-family:
    "JetBrains Mono", "SF Mono", ui-monospace, Menlo, Consolas, monospace;
}

.note-mock-body {
  padding: 18px 20px 20px;
  font-family:
    "JetBrains Mono", "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  font-size: 12.5px;
  line-height: 1.65;
  white-space: pre;
  overflow: hidden;
  flex: 1;
  letter-spacing: 0;
}

.note-mock-body .h {
  color: var(--ex-heading);
  font-weight: 600;
  letter-spacing: -0.005em;
}
.note-mock-body .c {
  color: var(--ex-comment);
  font-style: italic;
}
.note-mock-body .v {
  color: var(--ex-var);
}
.note-mock-body .n {
  color: var(--ex-num);
}
.note-mock-body .o {
  color: var(--ex-op);
}
.note-mock-body .r {
  color: var(--ex-result);
}
.note-mock-body .k {
  color: var(--ex-keyword);
}
.note-mock-body .u {
  color: var(--ex-unit);
  font-style: italic;
}
.note-mock-body .s {
  color: var(--ex-string);
}
.note-mock-body .done {
  color: var(--ex-check-done);
  text-decoration: line-through;
  text-decoration-color: rgba(150, 150, 160, 0.45);
  text-decoration-thickness: 1px;
}
.note-mock-body .todo {
  color: var(--ex-check-todo);
}
.note-mock-body .caret {
  display: inline-block;
  width: 1px;
  height: 1.05em;
  background: var(--accent);
  vertical-align: text-bottom;
  margin-left: 1px;
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink {
  50% {
    opacity: 0;
  }
}

.note-mock-foot {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--fg-dim);
  font-family:
    "JetBrains Mono", "SF Mono", ui-monospace, Menlo, Consolas, monospace;
}
.note-mock-foot .rec {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #e85a5a;
  box-shadow: 0 0 0 0 rgba(232, 90, 90, 0.6);
  animation: pulse 1.4s ease-out infinite;
  flex-shrink: 0;
}
.note-mock-foot .pin {
  color: var(--accent);
}
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(232, 90, 90, 0.55);
  }
  70% {
    box-shadow: 0 0 0 7px rgba(232, 90, 90, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(232, 90, 90, 0);
  }
}

/* --- Features ---------------------------------------------------------- */

.features,
.aesthetic,
.shortcuts,
.download {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 80px 28px;
}

h2 {
  font-size: clamp(28px, 4vw, 38px);
  margin: 0 0 48px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.feature {
  padding: 24px;
  background: var(--surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition:
    transform 0.18s ease,
    border-color 0.18s ease;
}
.feature:hover {
  transform: translateY(-2px);
  border-color: rgba(122, 167, 255, 0.25);
}

.feature-icon {
  font-size: 28px;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(122, 167, 255, 0.12);
  border-radius: 10px;
  margin-bottom: 16px;
  font-family:
    "JetBrains Mono", "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  color: var(--accent);
}

.feature h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 600;
}

.feature p {
  margin: 0;
  color: var(--fg-dim);
  font-size: 14px;
  line-height: 1.55;
}
.feature code {
  font-size: 12px;
  padding: 1px 5px;
}

/* --- Aesthetic --------------------------------------------------------- */

.aesthetic-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 820px) {
  .aesthetic-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.aesthetic ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.aesthetic li {
  position: relative;
  padding-left: 26px;
  color: var(--fg-dim);
  font-size: 15px;
}
.aesthetic li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.aesthetic strong {
  color: var(--fg);
  font-weight: 600;
}

/* Palette mock (cmd-K style) */
.palette-mock {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.02) inset,
    0 30px 60px rgba(0, 0, 0, 0.35);
}
.palette-search {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}
.palette-search .prompt {
  color: var(--accent);
  font-family:
    "JetBrains Mono", "SF Mono", ui-monospace, Menlo, Consolas, monospace;
}
.palette-search .query {
  font-size: 14px;
  color: var(--fg);
  flex: 1;
}
.palette-search .query .caret {
  display: inline-block;
  width: 1px;
  height: 1em;
  background: var(--accent);
  vertical-align: text-bottom;
  margin-left: 2px;
  animation: blink 1.1s steps(1) infinite;
}
.palette-search .esc {
  font-size: 11px;
  color: var(--fg-dim);
  font-family:
    "JetBrains Mono", "SF Mono", ui-monospace, Menlo, Consolas, monospace;
}
.palette-list {
  list-style: none;
  margin: 0;
  padding: 8px 0;
  max-height: 340px;
}
.palette-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 16px;
  font-size: 13px;
  color: var(--fg);
}
.palette-list li.active {
  background: rgba(122, 167, 255, 0.1);
  border-left: 2px solid var(--accent);
  padding-left: 14px;
}
@media (prefers-color-scheme: light) {
  .palette-list li.active {
    background: rgba(47, 109, 238, 0.08);
  }
}
.palette-list .idx {
  font-family:
    "JetBrains Mono", "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  font-size: 11px;
  color: var(--fg-dim);
  min-width: 16px;
}
.palette-list .pin-dot {
  color: var(--accent);
  font-size: 14px;
  margin-right: -4px;
}
.palette-list .preview {
  color: var(--fg-dim);
  font-size: 12px;
  margin-left: auto;
  font-family:
    "JetBrains Mono", "SF Mono", ui-monospace, Menlo, Consolas, monospace;
  white-space: nowrap;
}
.palette-list .ttl {
  color: #d9a44a;
  font-size: 11px;
  margin-left: auto;
  font-family:
    "JetBrains Mono", "SF Mono", ui-monospace, Menlo, Consolas, monospace;
}
.palette-foot {
  padding: 10px 16px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 14px;
  font-size: 11px;
  color: var(--fg-dim);
  font-family:
    "JetBrains Mono", "SF Mono", ui-monospace, Menlo, Consolas, monospace;
}
.palette-foot kbd {
  background: transparent;
  border: 1px solid var(--border);
  padding: 0 5px;
  border-radius: 4px;
  color: var(--fg-dim);
  font-size: 10px;
}

/* --- Shortcuts --------------------------------------------------------- */

.shortcuts h2 {
  text-align: center;
}
.shortcuts-sub {
  text-align: center;
  color: var(--fg-dim);
  max-width: 560px;
  margin: -32px auto 48px;
}

.shortcut-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px 40px;
}
.shortcut-group h3 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-dim);
  font-weight: 600;
  margin: 0 0 14px;
}
.shortcut-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.shortcut-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.shortcut-list li:last-child {
  border-bottom: none;
}
.shortcut-list .label {
  color: var(--fg-dim);
}
.shortcut-list .keys {
  margin-left: auto;
  display: inline-flex;
  gap: 4px;
  align-items: center;
  flex-shrink: 0;
}
.shortcut-list .keys .sep {
  color: var(--fg-dim);
  font-size: 11px;
}

/* --- Download ---------------------------------------------------------- */

.download {
  text-align: center;
}
.download .lede {
  color: var(--fg-dim);
  font-size: 16px;
  margin: -32px auto 36px;
  max-width: 540px;
}

.downloads {
  display: inline-flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.downloads .btn {
  flex-direction: column;
  padding: 18px 36px;
  gap: 4px;
  min-width: 180px;
}
.downloads .btn[data-soon] {
  pointer-events: none;
  opacity: 0.55;
  filter: saturate(0.6);
}

.release-note {
  margin-top: 22px;
  font-size: 12px;
  color: var(--fg-dim);
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}
.release-note a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.downloads .os {
  font-size: 15px;
  font-weight: 600;
}
.downloads .hint {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.8;
}

.legal {
  margin-top: 28px;
  font-size: 13px;
  color: var(--fg-dim);
}
.legal a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

/* --- Footer ------------------------------------------------------------ */

footer {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 28px;
  color: var(--fg-dim);
  font-size: 12px;
  margin-top: 60px;
}