:root {
  --bg: #f6f5f1;
  --bg-soft: #efede6;
  --surface: #ffffff;
  --text: #15201f;
  --muted: #56625f;
  --line: #e2dfd6;
  --brand: #1d7f7a;
  --brand-deep: #134e57;
  --link: #155e63;
  --accent: #e8862a;
  --accent-ink: #a9560f;
  --code-bg: #e9ece6;
  --button-text: #ffffff;
  --shadow: rgb(16 40 42 / 0.22);
  --glow: rgb(29 127 122 / 0.18);
  --terminal-bg: #12201f;
  --terminal-text: #e6efed;

  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", system-ui, sans-serif;
  --font-display:
    -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", system-ui, sans-serif;
  --font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --radius: 14px;
  --gutter: clamp(16px, 4vw, 32px);

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1517;
    --bg-soft: #111d20;
    --surface: #152226;
    --text: #e8eeed;
    --muted: #a0afad;
    --line: #24363b;
    --brand: #2c9a93;
    --brand-deep: #0f3d44;
    --link: #74d3ca;
    --accent: #f2a14a;
    --accent-ink: #f2a14a;
    --code-bg: #1c2d31;
    --button-text: #ffffff;
    --shadow: rgb(0 0 0 / 0.55);
    --glow: rgb(44 154 147 / 0.22);
    --terminal-bg: #081012;
    --terminal-text: #e6efed;

    color-scheme: dark;
  }
}

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

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--link);
  text-underline-offset: 0.18em;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 6px;
}

code,
kbd {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: var(--code-bg);
  border-radius: 6px;
  padding: 0.1em 0.38em;
}

p code,
kbd {
  white-space: nowrap;
}

kbd {
  border: 1px solid var(--line);
  border-bottom-width: 2px;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: 1.12;
  letter-spacing: -0.02em;
  text-wrap: balance;
  margin: 0;
}

h2 {
  font-size: clamp(1.9rem, 4.2vw, 2.75rem);
  max-width: 20ch;
}

h3 {
  font-size: 1.35rem;
  letter-spacing: -0.01em;
}

.container {
  width: 100%;
  max-width: 1160px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -100px;
  z-index: 10;
  background: var(--surface);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 8px;
}

.skip-link:focus {
  top: 16px;
}

/* Header */

.site-header {
  padding-top: env(safe-area-inset-top, 0px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 650;
  font-size: 1.1rem;
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(12px, 3vw, 28px);
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.95rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
}

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

.nav-github {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

@media (max-width: 560px) {
  .nav-links li:not(:last-child) {
    display: none;
  }
}

/* Hero */

.hero {
  position: relative;
  padding-top: clamp(32px, 7vw, 72px);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 22% -10% auto;
  height: 70%;
  background: radial-gradient(closest-side, var(--glow), transparent);
  pointer-events: none;
}

.hero-copy {
  position: relative;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-icon {
  width: clamp(88px, 12vw, 112px);
  filter: drop-shadow(0 14px 24px var(--shadow));
  margin-bottom: 24px;
}

.pill {
  margin: 0 0 18px;
  padding: 4px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.85rem;
}

h1 {
  font-size: clamp(2.4rem, 7vw, 4.4rem);
  letter-spacing: -0.035em;
  line-height: 1.04;
}

.lead {
  max-width: 40rem;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  transition:
    transform 0.15s ease,
    background-color 0.15s ease;
}

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

.button-primary {
  background: var(--brand-deep);
  color: var(--button-text);
}

.button-primary:hover {
  background: var(--brand);
}

.button-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--line);
}

@media (prefers-reduced-motion: reduce) {
  .button,
  .button:hover {
    transition: none;
    transform: none;
  }
}

.fineprint {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 0.875rem;
}

.hero-shot {
  position: relative;
  margin-top: clamp(40px, 6vw, 64px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.hero-shot img {
  margin-inline: auto;
  filter: drop-shadow(0 30px 60px var(--shadow));
}

/* Sections */

.section {
  padding-block: clamp(64px, 10vw, 112px);
}

.eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
}

.eyebrow span {
  color: var(--accent-ink);
}

.section-lead {
  max-width: 34rem;
  margin: 18px 0 0;
  color: var(--muted);
}

/* Intro video */

.intro-video {
  padding-top: 0;
}

.video-frame {
  margin: clamp(28px, 4vw, 44px) 0 0;
}

.video-frame video {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  background: #0d1517;
  box-shadow: 0 30px 60px -20px var(--shadow);
}

.video-frame figcaption {
  max-width: 44rem;
  margin-top: 16px;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Why */

.why {
  background: var(--bg-soft);
  border-block: 1px solid var(--line);
}

.why-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(32px, 6vw, 72px);
  align-items: center;
}

.note-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 24px 48px -24px var(--shadow);
  overflow: hidden;
}

.note-chrome {
  display: flex;
  gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
}

.note-chrome span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--line);
}

.note-body {
  padding: clamp(20px, 4vw, 36px);
}

.note-body h3 {
  font-size: clamp(1.5rem, 3vw, 1.9rem);
  margin-bottom: 18px;
}

.md {
  color: var(--muted);
  opacity: 0.55;
  font-weight: 500;
}

.note-body p {
  margin: 0 0 14px;
}

.tasks {
  list-style: none;
  margin: 22px 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 8px 20px;
  font-size: 0.97rem;
}

.tasks li {
  position: relative;
  padding-left: 30px;
}

/* A checked task-list box, like the app's preview. */
.tasks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.22em;
  width: 18px;
  height: 18px;
  border-radius: 5px;
  background: var(--brand);
}

.tasks li::after {
  content: "";
  position: absolute;
  left: 6px;
  top: calc(0.22em + 3px);
  width: 5px;
  height: 9px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.signature {
  color: var(--muted);
  font-style: italic;
  margin-bottom: 0;
}

/* Features */

.features h2 {
  margin-bottom: clamp(40px, 6vw, 72px);
}

.feature {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}

.feature + .feature {
  margin-top: clamp(64px, 9vw, 112px);
}

.feature:nth-child(even of .feature) {
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
}

.feature:nth-child(even of .feature) .feature-copy {
  order: 2;
}

.feature-copy h3 {
  font-size: clamp(1.45rem, 2.6vw, 1.85rem);
  margin-bottom: 16px;
}

.feature-copy p {
  margin: 0 0 14px;
  color: var(--muted);
}

.feature-copy p:last-child {
  margin-bottom: 0;
}

.feature-shot {
  display: block;
  border-radius: var(--radius);
}

.feature-shot img {
  filter: drop-shadow(0 22px 40px var(--shadow));
}

/* A cropped window: frame it with a hairline and fade out the cut edge. */
.feature-shot-fade {
  mask-image: linear-gradient(to bottom, #000 72%, transparent);
}

.feature-shot-fade img {
  filter: none;
  border: 1px solid var(--line);
  border-radius: 16px;
}

/* Details */

.details {
  background: var(--bg-soft);
  border-block: 1px solid var(--line);
}

.detail-grid {
  list-style: none;
  margin: clamp(32px, 5vw, 56px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: 16px;
}

.detail-grid li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}

.detail-grid h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.detail-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.97rem;
}

/* Get it */

.get-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}

.code-block {
  position: relative;
  background: var(--terminal-bg);
  color: var(--terminal-text);
  border-radius: var(--radius);
  box-shadow: 0 24px 48px -24px var(--shadow);
}

.code-block pre {
  margin: 0;
  padding: 56px 24px 28px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1.8;
}

.code-block code {
  background: none;
  padding: 0;
  font-size: inherit;
}

.copy-button {
  position: absolute;
  top: 12px;
  right: 12px;
  border: 1px solid rgb(255 255 255 / 0.18);
  background: rgb(255 255 255 / 0.08);
  color: var(--terminal-text);
  font: inherit;
  font-size: 0.8rem;
  padding: 4px 12px;
  border-radius: 999px;
  cursor: pointer;
}

.copy-button:hover {
  background: rgb(255 255 255 / 0.16);
}

/* Screenshot viewer */

[data-lightbox] {
  display: block;
  cursor: zoom-in;
}

body:has(.lightbox[open]) {
  overflow: hidden;
}

.lightbox {
  width: 100vw;
  height: 100dvh;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: calc(env(safe-area-inset-top, 0px) + clamp(16px, 4vw, 48px)) clamp(16px, 4vw, 48px)
    calc(env(safe-area-inset-bottom, 0px) + clamp(16px, 4vw, 48px));
  border: 0;
  background: transparent;
  cursor: zoom-out;
}

.lightbox[open] {
  display: grid;
  place-items: center;
}

.lightbox::backdrop {
  background: rgb(6 12 13 / 0.84);
  backdrop-filter: blur(6px);
}

.lightbox img {
  width: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 30px 60px rgb(0 0 0 / 0.5));
  animation: lightbox-in 0.18s ease-out;
}

@keyframes lightbox-in {
  from {
    opacity: 0;
    transform: scale(0.97);
  }
}

@media (prefers-reduced-motion: reduce) {
  .lightbox img {
    animation: none;
  }
}

.lightbox-close {
  position: fixed;
  top: calc(env(safe-area-inset-top, 0px) + 14px);
  right: 14px;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgb(255 255 255 / 0.2);
  border-radius: 50%;
  background: rgb(255 255 255 / 0.1);
  color: #fff;
  cursor: pointer;
}

.lightbox-close:hover {
  background: rgb(255 255 255 / 0.2);
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom, 0px);
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  padding-block: 28px;
}

.footer-inner p {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
}

.footer-links {
  display: flex;
  gap: 20px;
  list-style: none;
  margin: 0;
  padding: 0;
}

/* Narrow screens */

@media (max-width: 860px) {
  .why-grid,
  .feature,
  .feature:nth-child(even of .feature),
  .get-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .feature:nth-child(even of .feature) .feature-copy {
    order: 0;
  }

  h1 br {
    display: none;
  }
}