/* AniBeam's site. Colours are the app's AniBeam Dark theme; yellow is the logo's and is kept
   for the logo, the beam and the main download button. Teal is the app's accent and only
   marks a matched show. */
:root {
  --ground: #07090f;
  --raised: #0d1119;
  --line: #161c28;
  --edge: #2a3244;
  --faint: #5f6885;
  --muted: #a3aec5;
  --text: #e6ebf5;
  --bright: #f2f5fa;
  --brand: #fdc901;
  --brand-ink: #0d0e11;
  --matched: #46e0c4;

  --sans: "Archivo", system-ui, sans-serif;
  --mono: "B612 Mono", ui-monospace, monospace;

  --gutter: clamp(16px, 4vw, 56px);
  --wide: 1360px;
  --radius-l: 20px;
  --radius-m: 12px;
}

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

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

body {
  margin: 0;
  background: var(--ground);
  color: var(--text);
  font: 400 1.125rem/1.55 var(--sans);
  font-variation-settings: "wdth" 100;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--bright); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { color: var(--brand); }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 6px; }

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

code, kbd {
  font-family: var(--mono);
  font-size: 0.86em;
}
kbd {
  padding: 0.05em 0.4em;
  border: 1px solid var(--edge);
  border-radius: 6px;
  color: var(--bright);
}

h1, h2, h3 { margin: 0; color: var(--bright); font-weight: 800; }
h2 {
  font-size: clamp(2rem, 4.2vw, 3.25rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  font-variation-settings: "wdth" 118;
}
h3 {
  font-size: 1.25rem;
  line-height: 1.2;
  font-weight: 700;
  font-variation-settings: "wdth" 110;
}

/* Top bar */
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--wide);
  margin: 0 auto;
  padding: 20px var(--gutter);
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--bright);
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 800;
  font-variation-settings: "wdth" 118;
  letter-spacing: -0.01em;
}
.brand img { border-radius: 8px; }
.top-nav { display: flex; gap: 28px; }
.top-nav a { color: var(--muted); text-decoration: none; font-weight: 500; }
.top-nav a:hover { color: var(--bright); }

/* Hero: the folder on the right turns into a library */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
  max-width: var(--wide);
  margin: 0 auto;
  padding: clamp(40px, 8vh, 96px) var(--gutter) clamp(48px, 8vh, 88px);
}
.hero h1 {
  font-size: clamp(2.6rem, 5.6vw, 5.25rem);
  line-height: 0.98;
  letter-spacing: -0.025em;
  font-weight: 850;
  font-variation-settings: "wdth" 122;
  text-wrap: balance;
}
.lede {
  max-width: 34em;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 1.1875rem;
}
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.fine { margin: 16px 0 0; color: var(--faint); font-size: 0.9375rem; }

.button {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--edge);
  border-radius: 999px;
  background: var(--raised);
  color: var(--bright);
  font-weight: 650;
  text-decoration: none;
  transition: background-color 120ms, border-color 120ms, transform 120ms;
}
.button:hover { border-color: var(--faint); color: var(--bright); background: var(--line); }
.button:active { transform: translateY(1px); }
.button.primary {
  border-color: var(--brand);
  background: var(--brand);
  color: var(--brand-ink);
  font-size: 1.0625rem;
  padding: 0 28px;
  min-height: 54px;
}
.button.primary:hover { background: #ffd83a; border-color: #ffd83a; color: var(--brand-ink); }
.button.quiet { border-color: transparent; background: transparent; color: var(--muted); }
.button.quiet:hover { color: var(--bright); background: var(--raised); }

/* The match panel */
.match {
  margin: 0;
  padding: 22px 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: var(--raised);
  overflow: hidden;
}
.match-root {
  padding: 0 24px 12px;
  color: var(--faint);
  font: 400 0.875rem/1 var(--mono);
}
.match-rows { list-style: none; margin: 0; padding: 0; }
.match-rows li {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 40px minmax(0, 0.9fr);
  align-items: center;
  gap: 12px;
  padding: 13px 24px;
  border-top: 1px solid var(--line);
}
.match-rows code {
  overflow: hidden;
  color: var(--muted);
  font-size: 0.8125rem;
  line-height: 1.45;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.match-rows code span { display: block; overflow: hidden; color: var(--faint); text-overflow: ellipsis; }
.beam {
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--brand));
}
.show { display: flex; flex-direction: column; min-width: 0; }
.show b {
  overflow: hidden;
  color: var(--bright);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.25;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.show small {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--faint);
  font-size: 0.8125rem;
}
.show small::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--matched);
}

/* The page's one animated moment: each file is swept by the beam and resolves into its show.
   Without motion it simply shows the matched state. */
@media (prefers-reduced-motion: no-preference) {
  .match-rows li::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, transparent 0 40%, rgba(253, 201, 1, 0.16) 50%, transparent 60% 100%);
    background-size: 260% 100%;
    background-position: 100% 0;
    opacity: 0;
    pointer-events: none;
    animation: sweep 900ms cubic-bezier(.3, .7, .2, 1) calc(500ms + var(--i) * 260ms) both;
  }
  .beam {
    transform-origin: left;
    animation: draw 420ms ease-out calc(620ms + var(--i) * 260ms) both;
  }
  .show {
    animation: land 420ms ease-out calc(820ms + var(--i) * 260ms) both;
  }
}
@keyframes sweep {
  0% { opacity: 1; background-position: 100% 0; }
  100% { opacity: 1; background-position: 0 0; }
}
@keyframes draw {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}
@keyframes land {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: none; }
}

/* Screenshots */
.shot { margin: 0; }
.shot img {
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
}
.shot figcaption { margin-top: 12px; color: var(--faint); font-size: 0.9375rem; }
.shot-hero {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.shot-hero img { border-radius: var(--radius-l); }

/* Features */
.features {
  max-width: var(--wide);
  margin: 0 auto;
  padding: clamp(80px, 12vh, 140px) var(--gutter) 0;
}
.features-head { max-width: 40rem; }
.features-head p { margin: 20px 0 0; color: var(--muted); }
.feature-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 40px 36px;
  margin: 56px 0 72px;
}
.feature-list dt {
  color: var(--bright);
  font-weight: 700;
  font-variation-settings: "wdth" 110;
}
.feature-list dd { margin: 8px 0 0; color: var(--muted); font-size: 1rem; }
.shot-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }

/* Install */
.install {
  max-width: var(--wide);
  margin: 0 auto;
  padding: clamp(80px, 12vh, 140px) var(--gutter) 0;
}
.install-version { margin: 16px 0 40px; color: var(--muted); }
.platforms { display: grid; gap: 4px; }
.platform {
  display: grid;
  grid-template-columns: 180px minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  padding: 28px;
  border-radius: var(--radius-l);
}
.platform { position: relative; }
.platform + .platform:not(.yours)::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 28px;
  right: 28px;
  height: 1px;
  background: var(--line);
}
.platform.yours + .platform::before { display: none; }
.platform h3 { font-size: 1.5rem; padding-top: 8px; }
.platform.yours { background: var(--raised); }
.platform.yours .button { border-color: var(--brand); background: var(--brand); color: var(--brand-ink); }
.platform.yours .button:hover { background: #ffd83a; }
.platform.yours h3::after {
  content: "Your system";
  display: block;
  margin-top: 6px;
  color: var(--faint);
  font-size: 0.875rem;
  font-weight: 500;
  font-variation-settings: "wdth" 100;
  letter-spacing: 0;
}
.get p { margin: 14px 0 0; color: var(--muted); font-size: 0.9375rem; }
.cmd {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 6px;
  background: var(--line);
  color: var(--bright);
  font-size: 0.8125rem;
  overflow-wrap: anywhere;
}
.note { margin: 6px 0 0; color: var(--faint); font-size: 0.9375rem; }
.after { margin: 24px 0 0; color: var(--muted); }

/* First steps: a real sequence, so it gets numbers */
.steps {
  max-width: var(--wide);
  margin: 0 auto;
  padding: clamp(80px, 12vh, 140px) var(--gutter) clamp(80px, 12vh, 140px);
}
.steps ol {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 36px;
  margin: 48px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}
.steps li { counter-increment: step; }
.steps li::before {
  content: counter(step);
  display: block;
  margin-bottom: 14px;
  color: var(--edge);
  font-size: 4rem;
  font-weight: 900;
  line-height: 1;
  font-variation-settings: "wdth" 125;
}
.steps p { margin: 10px 0 0; color: var(--muted); font-size: 1rem; }

/* Footer */
.foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px 28px;
  max-width: var(--wide);
  margin: 0 auto;
  padding: 40px var(--gutter) 56px;
  border-top: 1px solid var(--line);
}
.foot img { border-radius: 10px; }
.foot p { flex: 1 1 24rem; margin: 0; color: var(--faint); font-size: 0.9375rem; }
.foot nav { display: flex; flex-wrap: wrap; gap: 24px; }
.foot nav a { color: var(--muted); text-decoration: none; font-size: 0.9375rem; }
.foot nav a:hover { color: var(--bright); }

/* Narrower screens */
@media (max-width: 1100px) {
  .feature-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps ol { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .platform { grid-template-columns: 140px minmax(0, 1fr); }
  .platform .note { grid-column: 2; }
}
@media (max-width: 900px) {
  .hero { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  body { font-size: 1.0625rem; }
  .top-nav { gap: 18px; }
  .match-rows li { grid-template-columns: minmax(0, 1fr); gap: 6px; padding: 12px 18px; }
  .match-root { padding: 0 18px 12px; }
  .beam { width: 40px; }
  .feature-list { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .shot-pair { grid-template-columns: minmax(0, 1fr); }
  .platform { grid-template-columns: minmax(0, 1fr); gap: 16px; padding: 22px 20px; }
  .platform .note { grid-column: auto; }
  .platform h3 { padding-top: 0; }
  .steps ol { grid-template-columns: minmax(0, 1fr); }
  .button.primary { width: 100%; justify-content: center; }
}