/* penswoop brand: Midnight. A near-black page, warm white type, and ink that glows on dark.
   Shared by every page: home, pricing, docs, playground, Studio, legal. */
:root {
  --page: #101114;
  --raised: #1c1d21;
  --sunk: #16171a;
  --ink: #f2efe9;
  --text-2: #a9a59d;
  --muted: #85817a;
  --line: rgb(242 239 233 / 0.09);
  --line-strong: rgb(242 239 233 / 0.16);
  --marker: #ff6369;
  --marker-text: #ff8589;
  --hi: #ffd84d;
  --focus: #8da4ef;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow-sm: 0 1px 2px rgb(0 0 0 / 0.3);
  --shadow: 0 0 0 1px rgb(242 239 233 / 0.08), 0 24px 64px -24px rgb(0 0 0 / 0.7);
  --sans: Geist, system-ui, sans-serif;
  --mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --hand: Caveat, Kalam, "Bradley Hand", cursive;
  color-scheme: dark;
}

/* Product mock-ups and screenshots stay light, like the real apps people mark up. */
.light {
  --page: #ffffff; --raised: #f5f4f2; --sunk: #faf9f7; --ink: #18181a; --text-2: #55524d; --muted: #76726b;
  --line: rgb(24 24 26 / 0.09); --line-strong: rgb(24 24 26 / 0.16);
  background: var(--page); color: var(--ink); color-scheme: light;
}

/* On the dark page a highlighter brightens instead of darkening. */
.on-dark [data-hl] { mix-blend-mode: normal; opacity: 0.3 }

* { box-sizing: border-box }
[hidden] { display: none !important }
html { scroll-padding-top: 88px; -webkit-text-size-adjust: 100% }
body { margin: 0; background: var(--page); color: var(--ink); font: 400 15px/1.6 var(--sans); -webkit-font-smoothing: antialiased }
button, input, select, textarea { font: inherit; color: inherit }
a { color: inherit; text-underline-offset: 3px }
img, svg, video, canvas { display: block; max-width: 100% }
img, video { height: auto }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 6px }
code, pre, kbd { font-family: var(--mono) }
::selection { background: color-mix(in srgb, var(--hi) 70%, transparent) }
.wrap { max-width: 1160px; margin-inline: auto; padding-inline: 24px }
@media (min-width: 900px) { .wrap { padding-inline: 32px } }

/* Type */
.display { margin: 0; font: 600 clamp(48px, 7.5vw, 96px)/1 var(--sans); letter-spacing: -0.045em }
.h2 { margin: 0; font: 600 clamp(32px, 4.4vw, 48px)/1.08 var(--sans); letter-spacing: -0.035em }
.h3 { margin: 0; font-size: 17px; font-weight: 500; line-height: 1.35 }
.lead { margin: 0; font-size: 19px; line-height: 1.55; color: var(--text-2); max-width: 36rem }
.muted { color: var(--muted) }
.small { font-size: 13px; line-height: 20px }
.meta { font: 12px/16px var(--mono); color: var(--muted) }

/* Top bar */
.nav { position: sticky; top: 0; z-index: 20; background: rgb(16 17 20 / 0.82); backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid transparent; transition: border-color 160ms var(--ease) }
.nav.scrolled { border-bottom-color: var(--line) }
.nav .wrap { display: flex; align-items: center; gap: 32px; height: 64px }
.logo { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; font-size: 17px; font-weight: 600; letter-spacing: -0.01em }
.logo svg { color: var(--marker) }
.nav nav { display: flex; gap: 24px; font-size: 14px }
.nav nav a { text-decoration: none; color: var(--text-2); transition: color 160ms var(--ease) }
/* Phones: links get a finger-sized tap area without changing how they look. */
@media (max-width: 640px) { .nav nav a, .footer a { display: inline-block; padding-block: 12px; margin-block: -12px } }
.nav nav a[aria-current="page"] { color: var(--ink) }
.nav .end { margin-left: auto; display: flex; align-items: center; gap: 16px }
@media (hover: hover) and (pointer: fine) { .nav nav a:hover { color: var(--ink) } }
@media (max-width: 640px) { .nav .wrap { gap: 20px } .nav nav .hide-sm { display: none } }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 40px; padding: 0 16px; border: 1px solid var(--line-strong); border-radius: 10px; background: var(--page); color: var(--ink); font-size: 14px; font-weight: 500; text-decoration: none; white-space: nowrap; cursor: pointer; transition: background-color 160ms var(--ease), border-color 160ms var(--ease), transform 160ms var(--ease) }
.btn:active { transform: scale(0.98) }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none }
.btn.primary { background: var(--ink); border-color: var(--ink); color: #101114 }
.btn.lg { height: 48px; padding: 0 20px; font-size: 15px; border-radius: 12px }
.btn.sm { height: 32px; padding: 0 12px; font-size: 13px; border-radius: 8px }
.btn svg { width: 16px; height: 16px }
@media (hover: hover) and (pointer: fine) {
  .btn:hover:not(:disabled) { background: var(--raised) }
  .btn.primary:hover:not(:disabled) { background: #ffffff; border-color: #ffffff }
}

/* Controls */
.seg { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; padding: 2px; border-radius: 10px; background: var(--raised) }
.seg button { height: 28px; padding: 0 6px; border: 0; border-radius: 8px; background: none; font-size: 12.5px; color: var(--text-2); cursor: pointer; transition: background-color 160ms var(--ease), color 160ms var(--ease) }
.seg button[aria-pressed="true"] { background: var(--page); color: var(--ink); box-shadow: var(--shadow-sm), 0 0 0 1px var(--line) }
.inks { display: flex; gap: 8px; flex-wrap: wrap }
.inks button { width: 24px; height: 24px; padding: 0; border-radius: 50%; border: 2px solid var(--page); background: var(--c); box-shadow: 0 0 0 1px var(--line-strong); cursor: pointer; transition: box-shadow 160ms var(--ease), transform 160ms var(--ease) }
.inks button[aria-pressed="true"] { box-shadow: 0 0 0 2px var(--ink) }
.inks button:active { transform: scale(0.94) }
.field { display: grid; gap: 8px }
.field > label, .field > .lbl { display: flex; justify-content: space-between; font-size: 13px; color: var(--text-2) }
.field output { color: var(--ink); font-variant-numeric: tabular-nums }
.input { height: 36px; padding: 0 12px; border: 1px solid var(--line-strong); border-radius: 8px; background: var(--page) }
input[type="range"] { width: 100%; accent-color: var(--ink) }

/* Code */
pre.code { margin: 0; padding: 20px; overflow-x: auto; border-radius: 12px; background: #0b0c0e; box-shadow: inset 0 0 0 1px var(--line); color: #ededeb; font: 13px/1.7 var(--mono) }
pre.code .s { color: #f4a9a3 } pre.code .k { color: #a09c95 } pre.code .c { color: #7c7a74 }
.codebox { position: relative; isolation: isolate }
.codebox .copy { position: absolute; top: 12px; right: 12px; z-index: 1; height: 28px; padding: 0 10px; border: 1px solid #3a3a3d; border-radius: 6px; background: #232326; color: #ededeb; font-size: 12px; cursor: pointer; transition: background-color 160ms var(--ease), transform 160ms var(--ease) }
.codebox .copy:active { transform: scale(0.97) }
:not(pre) > code { padding: 1px 6px; border-radius: 6px; background: var(--raised); font-size: 0.86em }
kbd { display: inline-block; min-width: 20px; padding: 0 6px; border: 1px solid var(--line-strong); border-bottom-width: 2px; border-radius: 6px; font-size: 12px; line-height: 18px; text-align: center }

/* Footer */
.footer { margin-top: 128px; border-top: 1px solid var(--line) }
.footer .wrap { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 32px; padding-block: 48px 64px; font-size: 14px }
@media (max-width: 720px) { .footer .wrap { grid-template-columns: 1fr 1fr } .footer .about { grid-column: 1 / -1 } }
.footer h4 { margin: 0 0 12px; font-size: 13px; font-weight: 500; color: var(--muted) }
.footer ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px }
.footer a { text-decoration: none; color: var(--text-2); transition: color 160ms var(--ease) }
.footer .about p { margin: 12px 0 0; color: var(--muted); max-width: 30ch }
@media (hover: hover) and (pointer: fine) { .footer a:hover { color: var(--ink) } }

/* Toast */
.toast { position: fixed; left: 50%; bottom: 24px; z-index: 50; translate: -50% 0; padding: 10px 16px; border-radius: 10px; background: var(--ink); color: #101114; font-size: 14px; box-shadow: var(--shadow); opacity: 0; transform: translateY(8px); transition: opacity 220ms var(--ease), transform 220ms var(--ease); pointer-events: none }
.toast.on { opacity: 1; transform: none }
@media (prefers-reduced-motion: reduce) { .toast { transform: none } }