/* Sticky Notes landing page. One accent (sticky-note yellow), one radius (12px),
   light and dark from the system setting. Terminal blocks stay dark in both,
   because they are captures of a dark terminal. */

@font-face {
  font-family: 'Geist';
  src: url('fonts/Geist-Variable.woff2') format('woff2');
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --bg: #f7f7f8;
  --surface: #ffffff;
  --ink: #18181b;
  --muted: #5d5d66;
  --line: #e4e4e7;
  --accent: #f5d90a;
  --accent-ink: #18181b;
  --accent-soft: #fbf1a8;
  --term-bg: #161616;
  --term-fg: #e6e6e6;
  --term-dim: #8a8a8a;
  --term-line: #2c2c2e;
  --radius: 12px;
  --sans: 'Geist', ui-sans-serif, system-ui, sans-serif;
  --mono: ui-monospace, 'SF Mono', Menlo, Consolas, 'DejaVu Sans Mono', monospace;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e0e10;
    --surface: #17171a;
    --ink: #ededef;
    --muted: #a1a1aa;
    --line: #27272a;
    --accent-soft: rgb(245 217 10 / 0.14);
    --term-bg: #1a1a1d;
    --term-line: #2e2e32;
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

code,
kbd {
  font-family: var(--mono);
  font-size: 0.88em;
}

.wrap {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 24px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  font: 500 15px/1 var(--sans);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s;
}

.btn:hover {
  border-color: var(--muted);
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.btn-primary:hover {
  border-color: var(--ink);
}

.btn:focus-visible,
.copy:focus-visible,
.nav a:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
}

/* Nav */

.nav {
  height: 68px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: -0.01em;
}

.mark {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  background: var(--accent);
  transform: rotate(-4deg);
}

.nav-links {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 15px;
}

.nav-links a:not(.btn) {
  color: var(--muted);
  text-decoration: none;
}

.nav-links a:not(.btn):hover {
  color: var(--ink);
}

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

.gh svg {
  width: 18px;
  height: 18px;
}

footer a {
  color: inherit;
}

/* Hero */

.hero {
  padding-top: 64px;
}

.hero h1 {
  margin: 0;
  max-width: 20ch;
  text-wrap: balance;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.035em;
  font-weight: 650;
}

.mark-text {
  background: linear-gradient(transparent 58%, var(--accent-soft) 58%);
  padding: 0 0.04em;
}

@media (prefers-color-scheme: dark) {
  .mark-text {
    background: linear-gradient(transparent 58%, rgb(245 217 10 / 0.28) 58%);
  }
}

.hero p {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: 19px;
  color: var(--muted);
}

.ctas {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-shot {
  margin: 56px 0 0;
}

figcaption {
  margin-top: 12px;
  font-size: 14px;
  color: var(--muted);
}

/* Terminal frames: real captures and real command output */

.term {
  container-type: inline-size;
  background: var(--term-bg);
  color: var(--term-fg);
  border: 1px solid var(--term-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.term-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 14px;
  border-bottom: 1px solid var(--term-line);
  font: 12px/1 var(--mono);
  color: var(--term-dim);
}

.term-bar i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--term-line);
}

.term-bar span {
  margin-left: 6px;
}

.term pre {
  margin: 0;
  padding: 16px 18px;
  overflow-x: auto;
  font: 13px/1.5 var(--mono);
  white-space: pre;
}

/* 150 columns that scale to the frame, so the capture keeps its real layout */
.term pre.capture {
  font-size: clamp(6px, calc((100cqw - 36px) / 91), 13.5px);
  line-height: 1.32;
}

.reel {
  display: grid;
}

.reel > pre {
  grid-area: 1 / 1;
  opacity: 0;
}

.reel > pre.last {
  opacity: 1;
}

.term .b {
  font-weight: 700;
}

/* Fill the gap between lines so the pane's background reads as one block */
.term pre.capture span[style*='background'] {
  padding-block: 0.09em;
}

.term .d {
  color: var(--term-dim);
}

.term .s {
  text-decoration: line-through;
}

.term .prompt {
  color: var(--term-dim);
}

/* Sections */

section {
  padding: 120px 0 0;
}

h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-weight: 650;
  max-width: 22ch;
}

.lede {
  margin: 16px 0 0;
  max-width: 60ch;
  color: var(--muted);
}

/* Four kinds: the real pane next to a short legend */

.kinds {
  margin-top: 40px;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}

.pane-crop {
  background: #262626;
}

.legend {
  margin: 0;
  display: grid;
  gap: 22px;
}

.legend > div {
  padding-left: 14px;
  border-left: 3px solid var(--bar);
}

.legend dt {
  font-weight: 600;
}

.legend dd {
  margin: 2px 0 0;
  color: var(--muted);
}

section figure {
  margin: 36px 0 0;
}

/* Install */

.install {
  padding-bottom: 120px;
}

.install-box {
  margin-top: 36px;
  max-width: 1000px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.cmd {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--term-bg);
  color: var(--term-fg);
  border: 1px solid var(--term-line);
  border-radius: var(--radius);
  padding: 6px 6px 6px 18px;
}

.cmd code {
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  white-space: nowrap;
  font-size: 14px;
  padding: 10px 0;
}

.copy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 12px;
  border-radius: 8px;
  border: 1px solid var(--term-line);
  background: transparent;
  color: var(--term-fg);
  font: 500 13px/1 var(--sans);
  cursor: pointer;
  flex: none;
}

.copy:hover {
  border-color: var(--term-dim);
}

.copy svg {
  width: 15px;
  height: 15px;
}

.copy .icon-done,
.copy.done .icon-copy {
  display: none;
}

.copy.done .icon-done {
  display: inline;
  color: var(--accent);
}

.install .note {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: 15px;
  color: var(--muted);
}

footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 40px;
  font-size: 14px;
  color: var(--muted);
}

footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}

/* Motion: the hero comes in once, sections rise as they scroll in. */

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
}

/* The replay: board, Claude at work, the note that needs you (held longest) */
@keyframes frame-1 {
  0%, 24% { opacity: 1; }
  26%, 100% { opacity: 0; }
}

@keyframes frame-2 {
  0%, 24% { opacity: 0; }
  26%, 49% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

@keyframes frame-3 {
  0%, 49% { opacity: 0; }
  51%, 98% { opacity: 1; }
  100% { opacity: 0; }
}

@media (prefers-reduced-motion: no-preference) {
  .hero h1,
  .hero p,
  .hero .ctas,
  .hero-shot {
    animation: rise 0.7s cubic-bezier(0.16, 1, 0.3, 1) both;
  }

  .hero p {
    animation-delay: 0.08s;
  }

  .hero .ctas {
    animation-delay: 0.16s;
  }

  .hero-shot {
    animation-delay: 0.28s;
  }

  .reel > .f1 {
    animation: frame-1 12s infinite;
  }

  .reel > .f2 {
    animation: frame-2 12s infinite;
  }

  .reel > .f3 {
    animation: frame-3 12s infinite;
  }

  @supports (animation-timeline: view()) {
    .reveal {
      animation: rise linear both;
      animation-timeline: view();
      animation-range: entry 0% entry 35%;
    }
  }
}

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

/* Small screens: one column everywhere */

@media (max-width: 767px) {
  .wrap {
    padding-inline: 16px;
  }

  .hero {
    padding-top: 40px;
  }

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

  section {
    padding-top: 88px;
  }

  .kinds {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }
}

.term pre.wrap-lines {
  white-space: pre-wrap;
}