/* ---------------------------------------------------------------- fonts -- */

@font-face {
  font-family: "Martian Mono";
  src: url("/static/fonts/martian-mono-latin.woff2") format("woff2");
  font-weight: 100 800;
  font-stretch: 75% 112.5%;
  font-display: swap;
}

@font-face {
  font-family: "Atkinson";
  src: url("/static/fonts/atkinson-hyperlegible-400-latin.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Atkinson";
  src: url("/static/fonts/atkinson-hyperlegible-700-latin.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}

/* ---------------------------------------------------------------- tokens -- */

:root {
  --black: #0c0b0b;
  --white: #f3f3f3;
  --blue-100: #2a79f0;
  --blue-200: #165cca;
  --sky: #a0d9ff;
  --grass: #d4ffbc;
  --shadow-blue: #4078e8;

  --paper: #ffffff;
  --sky-pale: #cfeaff;
  --grass-pale: #eaffdb;
  --ink-soft: #4a4746;

  --mono: "Martian Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "Atkinson", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --external-glyph: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M2 5h5v2H4v5h5V9h2v5H2V5z'/%3E%3Cpath d='M9 2h5v5h-2V5.41L8.71 8.71 7.29 7.29 10.59 4H9V2z'/%3E%3C/svg%3E");

  --page-width: 1120px;
  --gutter: 24px;
  --border: 1.4px solid var(--black);
  --pixel: 8px;
}

/* ------------------------------------------------------------------ base -- */

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

html {
  scroll-behavior: smooth;
}

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

h1,
h2,
h3 {
  font-family: var(--mono);
  font-weight: 600;
  font-stretch: 75%;
  letter-spacing: -0.02em;
  margin: 0;
}

p {
  margin: 0;
}

a {
  color: var(--blue-200);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--black);
}

:focus-visible {
  outline: 3px solid var(--blue-100);
  outline-offset: 3px;
}

img,
svg {
  display: block;
}

code,
pre {
  font-family: var(--mono);
  font-stretch: 87.5%;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* --------------------------------------------------------------- chrome  -- */

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--white);
  border-bottom: var(--border);
}

.nav-inner {
  max-width: var(--page-width);
  margin: 0 auto;
  padding: 12px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.nav-logo img {
  height: 30px;
  width: auto;
  image-rendering: pixelated;
}

.nav-links {
  display: flex;
  gap: 22px;
  font-family: var(--mono);
  font-size: 0.74rem;
  font-stretch: 87.5%;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Symmetric top edge: the hover underline would otherwise push the text off centre. */
.nav-links a {
  color: var(--black);
  text-decoration: none;
  padding: 2px 0;
  border-top: 2px solid transparent;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover {
  border-bottom-color: var(--blue-100);
}

/* Leaves the site — mark it, in the wordmark's own pixel idiom. */
.nav-links a[target="_blank"]::after {
  content: "";
  display: inline-block;
  width: 0.95em;
  height: 0.95em;
  margin-left: 0.42em;
  vertical-align: baseline;
  background: currentColor;
  -webkit-mask: var(--external-glyph) no-repeat center / contain;
  mask: var(--external-glyph) no-repeat center / contain;
}

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

.button {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-stretch: 87.5%;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-decoration: none;
  color: var(--black);
  background: var(--paper);
  border: var(--border);
  padding: 11px 18px;
  box-shadow: 4px 4px 0 var(--black);
  transition: transform 0.08s steps(2), box-shadow 0.08s steps(2);
}

.button:hover {
  color: var(--black);
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--black);
}

.button:active {
  transform: translate(4px, 4px);
  box-shadow: 0 0 0 var(--black);
}

.button-primary {
  background: var(--blue-200);
  color: var(--white);
}

.button-primary:hover {
  color: var(--white);
  background: var(--blue-100);
}

.text-link {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-stretch: 87.5%;
  background: none;
  border: 0;
  padding: 0;
  color: var(--blue-200);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ------------------------------------------------------------------ sky  -- */

/* No bottom border: the .horizon dither is the edge. */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--sky-pale) 0%, var(--sky) 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(12, 11, 11, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(12, 11, 11, 0.045) 1px, transparent 1px);
  background-size: 16px 16px;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: var(--page-width);
  margin: 0 auto;
  padding: 88px var(--gutter) 116px;
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 48px;
  align-items: center;
}

.hero-short .hero-inner {
  padding: 72px var(--gutter) 104px;
  grid-template-columns: minmax(0, 1fr);
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-stretch: 87.5%;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-200);
  margin-bottom: 18px;
}

h1 {
  font-size: clamp(2.5rem, 6.4vw, 4.15rem);
  line-height: 1.02;
  letter-spacing: -0.045em;
  margin-bottom: 22px;
}

.lede {
  font-size: 1.16rem;
  line-height: 1.55;
  max-width: 33em;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.hero-note {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-stretch: 87.5%;
  line-height: 1.7;
  color: var(--ink-soft);
  margin-top: 26px;
  max-width: 60em;
}

.hero-art {
  display: flex;
  justify-content: center;
}

.bottle {
  width: min(100%, 340px);
  height: auto;
  image-rendering: pixelated;
  animation: bob 6s ease-in-out infinite;
  filter: drop-shadow(10px 12px 0 rgba(12, 11, 11, 0.12));
}

@keyframes bob {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(-1.2deg); }
}

/* clouds */

.sky-clouds {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.cloud {
  position: absolute;
  will-change: transform;
}

.cloud-shape {
  width: 100%;
  height: auto;
}

.cloud-1 { top: 12%; width: 150px; animation: drift 68s linear infinite; }
.cloud-2 { top: 34%; width: 96px; animation: drift 96s linear infinite -22s; }
.cloud-3 { top: 62%; width: 210px; animation: drift 124s linear infinite -60s; }
.cloud-4 { top: 6%; width: 64px; animation: drift 84s linear infinite -45s; }

@keyframes drift {
  from { transform: translateX(-260px); }
  to { transform: translateX(calc(100vw + 260px)); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cloud { animation: none; }
  .cloud-1 { left: 6%; }
  .cloud-2 { left: 62%; }
  .cloud-3 { left: 28%; }
  .cloud-4 { left: 84%; }
  .bottle { animation: none; }
  .button { transition: none; }
}

/* Dithered pixel transition between colour bands: three 8px rows stepping from
   25% to 75% coverage, the way an 8-bit sky fades into the ground. */

.horizon {
  --dither: var(--white);
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 24px;
  background:
    linear-gradient(90deg, var(--dither) 0 8px, transparent 8px 32px) 0 0 / 32px 8px repeat-x,
    linear-gradient(90deg, var(--dither) 0 8px, transparent 8px 16px) 0 8px / 16px 8px repeat-x,
    linear-gradient(90deg, transparent 0 8px, var(--dither) 8px 32px) 0 16px / 32px 8px repeat-x;
}

/* --------------------------------------------------------------- sections -- */

.section {
  max-width: var(--page-width);
  margin: 0 auto;
  padding: 84px var(--gutter);
}

.section-title {
  font-size: clamp(1.7rem, 3.2vw, 2.5rem);
  line-height: 1.1;
  margin-bottom: 16px;
}

.section-lede {
  font-size: 1.06rem;
  max-width: 46em;
  color: var(--ink-soft);
}

.section-lede.narrow {
  max-width: 34em;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

/* statement */

.statement {
  padding-top: 76px;
  padding-bottom: 40px;
}

.statement-text {
  font-family: var(--mono);
  font-stretch: 87.5%;
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  line-height: 1.6;
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.statement-text + .statement-text {
  margin-top: 1em;
}

.statement-follow {
  margin-top: 26px;
  max-width: 34em;
  font-size: 1.06rem;
  color: var(--ink-soft);
}

/* uses */

.uses {
  padding-top: 40px;
}

.use-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 2px;
  background: var(--black);
  border: var(--border);
}

.use {
  background: var(--paper);
  padding: 26px 24px 30px;
}

.use h2 {
  font-size: 0.94rem;
  line-height: 1.3;
  font-stretch: 87.5%;
  margin-bottom: 10px;
}

.use p {
  font-size: 0.97rem;
  color: var(--ink-soft);
}

/* catalog */

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(268px, 1fr));
  gap: 14px;
}

.app-card {
  display: block;
  background: var(--paper);
  border: var(--border);
  padding: 14px;
  text-decoration: none;
  color: var(--black);
  transition: transform 0.08s steps(2), box-shadow 0.08s steps(2);
}

.app-card[hidden] {
  display: none;
}

.app-card:hover {
  color: var(--black);
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--shadow-blue);
}

.app-title {
  display: block;
  font-family: var(--mono);
  font-stretch: 87.5%;
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 4px;
}

.app-desc {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--ink-soft);
}

/* paths */

.paths {
  border-top: var(--border);
  border-bottom: var(--border);
  max-width: none;
  background:
    linear-gradient(180deg, var(--white) 0%, var(--grass-pale) 100%);
}

.paths-inner {
  max-width: var(--page-width);
  margin: 0 auto;
}

.path-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 22px;
  margin-top: 42px;
}

.path {
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: var(--border);
  box-shadow: 6px 6px 0 var(--shadow-blue);
  padding: 26px 24px 28px;
}

.path-managed {
  background: var(--grass-pale);
}

.path-number {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--blue-200);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.path h3 {
  font-size: 1.22rem;
  line-height: 1.2;
  font-stretch: 87.5%;
  margin-bottom: 22px;
}

.path-body {
  font-size: 0.98rem;
  color: var(--ink-soft);
}

.path-points {
  list-style: none;
  padding: 0;
  margin: 18px 0 0;
  font-size: 0.92rem;
}

.path-points li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 9px;
  line-height: 1.45;
}

.path-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  background: var(--blue-100);
}

.path-cost {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-stretch: 87.5%;
  font-weight: 600;
  margin: 20px 0 22px;
  padding-top: 16px;
  border-top: 1.4px dotted rgba(12, 11, 11, 0.25);
}

.path .button {
  margin-top: auto;
  align-self: flex-start;
}

.paths-footnote {
  margin-top: 34px;
  font-size: 0.92rem;
  color: var(--ink-soft);
  max-width: 46em;
}

/* bring your own app */

.own-app-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  gap: 56px;
  align-items: start;
}

.step-list {
  margin-top: 36px;
  display: grid;
  gap: 24px;
}

.step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.step-number {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--blue-200);
  padding-top: 3px;
}

.step h3 {
  font-size: 0.92rem;
  font-stretch: 87.5%;
  margin-bottom: 5px;
}

.step p {
  font-size: 0.97rem;
  color: var(--ink-soft);
}

.step-command {
  display: block;
  margin-top: 10px;
  padding: 8px 12px;
  background: var(--black);
  color: var(--white);
  font-size: 0.74rem;
  font-stretch: 87.5%;
  overflow-x: auto;
  white-space: nowrap;
}

.step-command::before {
  content: "$ ";
  color: var(--grass);
}

/* how it works */

.piece-list {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(215px, 1fr));
  gap: 26px 32px;
}

.piece h3 {
  font-size: 0.88rem;
  font-stretch: 87.5%;
  margin-bottom: 5px;
}

.piece p {
  font-size: 0.97rem;
  color: var(--ink-soft);
  max-width: 40em;
}

.own-app-code {
  border: var(--border);
  background: var(--black);
  box-shadow: 6px 6px 0 var(--shadow-blue);
}

.code-label {
  font-family: var(--mono);
  font-size: 0.66rem;
  font-stretch: 87.5%;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--black);
  background: var(--sky);
  padding: 8px 14px;
  border-bottom: var(--border);
}

.own-app-code pre {
  margin: 0;
  padding: 20px 18px;
  overflow-x: auto;
  color: var(--white);
  font-size: 0.78rem;
  line-height: 1.75;
}

.own-app-code .text-link {
  display: block;
  padding: 14px 18px;
  border-top: 1.4px solid rgba(243, 243, 243, 0.25);
  color: var(--sky);
}

/* project */

.project-card {
  border: var(--border);
  background: var(--paper);
  padding: 40px 36px;
  box-shadow: 8px 8px 0 var(--shadow-blue);
}

.project-card p {
  max-width: 46em;
  color: var(--ink-soft);
}

.project-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

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

.footer {
  position: relative;
  background: var(--grass);
  margin-top: 20px;
}

/* The sky dither, mirrored: white settling down into the grass. */
.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 24px;
  background:
    linear-gradient(90deg, transparent 0 8px, var(--white) 8px 32px) 0 0 / 32px 8px repeat-x,
    linear-gradient(90deg, var(--white) 0 8px, transparent 8px 16px) 0 8px / 16px 8px repeat-x,
    linear-gradient(90deg, var(--white) 0 8px, transparent 8px 32px) 0 16px / 32px 8px repeat-x;
}

.footer-inner {
  max-width: var(--page-width);
  margin: 0 auto;
  padding: 56px var(--gutter) 64px;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr));
  gap: 40px;
}

.footer-brand img {
  height: 34px;
  width: auto;
  max-width: 100%;
  margin-bottom: 18px;
  image-rendering: pixelated;
}

.footer-license {
  font-size: 0.88rem;
  max-width: 30em;
  color: var(--ink-soft);
}

.footer-column h2 {
  font-size: 0.7rem;
  font-stretch: 87.5%;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 14px;
}

.footer-column ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
  font-size: 0.92rem;
}

.footer-column a {
  color: var(--black);
  text-decoration-color: rgba(12, 11, 11, 0.35);
}

.footer-column a:hover {
  text-decoration-color: var(--black);
}

.footer-base {
  border-top: var(--border);
}

.footer-base-inner {
  max-width: var(--page-width);
  margin: 0 auto;
  padding: 16px var(--gutter);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-stretch: 87.5%;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ----------------------------------------------------------- apps page  -- */

.apps-header {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--sky-pale) 0%, var(--sky) 100%);
}

.apps-header-inner {
  position: relative;
  max-width: var(--page-width);
  margin: 0 auto;
  padding: 62px var(--gutter) 82px;
}

.apps-header h1 {
  font-size: clamp(2rem, 4.6vw, 3.1rem);
}

.apps-body {
  padding-top: 46px;
}

.filters {
  display: grid;
  gap: 18px;
  margin-bottom: 22px;
}

.search input {
  width: 100%;
  max-width: 420px;
  font-family: var(--mono);
  font-stretch: 87.5%;
  font-size: 0.84rem;
  padding: 12px 14px;
  border: var(--border);
  background: var(--paper);
  color: var(--black);
}

.search input::placeholder {
  color: rgba(12, 11, 11, 0.45);
}

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

.chip {
  font-family: var(--mono);
  font-size: 0.68rem;
  font-stretch: 87.5%;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--paper);
  border: var(--border);
  padding: 7px 11px;
  cursor: pointer;
  color: var(--black);
}

.chip span {
  color: var(--ink-soft);
  margin-left: 4px;
}

.chip:hover {
  background: var(--sky);
}

.chip.is-active {
  background: var(--black);
  color: var(--white);
}

.chip.is-active span {
  color: var(--sky);
}

.result-count {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-stretch: 87.5%;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin-bottom: 18px;
}

.app-grid-full {
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
}

.empty-state {
  font-family: var(--mono);
  font-size: 0.82rem;
  font-stretch: 87.5%;
  padding: 40px 0;
}

.catalog-source {
  margin-top: 34px;
  font-size: 0.86rem;
  color: var(--ink-soft);
}

/* --------------------------------------------------------------- narrow  -- */

@media (max-width: 900px) {
  .hero-inner,
  .own-app-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-inner {
    padding-top: 60px;
    padding-bottom: 96px;
  }

  .hero-art {
    justify-content: flex-start;
  }

  .bottle {
    width: 180px;
  }

  .footer-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  body {
    font-size: 16px;
  }

  .section {
    padding: 56px var(--gutter);
  }

  .nav-links {
    gap: 14px;
    font-size: 0.68rem;
  }

  .nav-logo img {
    height: 24px;
  }

  .project-card {
    padding: 28px 22px;
  }

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