/*
 * Styles of the BananaShot site (B-10 decisions 23 and 25: option A "Studio" with the aurora background).
 * The accent is the app accent (Palette.DEFAULT_ACCENT, #C8EC46). The --lime names stay, as the LIME tokens
 * of Palette.kt do. The page is not near-black: a slow, blurred aurora of green and blue light is behind the page,
 * and the header, the bands, the panels, and the footer are matte glass over it.
 * The demos (demos.css) keep the colors of the app.
 */
:root {
  color-scheme: dark;
  --bg: #151a21;
  --inset: #16181b;
  --panel: #212327;
  --card: #232529;
  --raised: #2c2e33;
  --line: rgba(255, 255, 255, 0.09);
  --line-2: rgba(255, 255, 255, 0.15);
  --fg: #e6e4e0;
  --fg-2: #a6a49f;
  --fg-3: #7a7873;
  --fg-strong: #f6f5f2;
  --lime: #c8ec46;
  --lime-hover: #d0ed68;
  --on-lime: #191e09;
  --lime-tint: rgba(200, 236, 70, 0.07);
  --lime-edge: rgba(200, 236, 70, 0.19);
  --sage: #a7b78e;
  --red: #ff7351;
  --yellow: #f2d64b;
  --yellow-tint: rgba(242, 214, 75, 0.08);
  --yellow-line: rgba(242, 214, 75, 0.35);
  --court: #3d6b8c;
  --court-dark: #2c5470;
  --court-line: rgba(255, 255, 255, 0.55);
  --court-text: #9cc3e2;
  /* Matte glass: a dark tint, a blur of the aurora, a light top edge. */
  --glass: rgba(26, 32, 40, 0.58);
  --glass-strong: rgba(24, 29, 37, 0.76);
  --glass-edge: rgba(255, 255, 255, 0.09);
  --glass-light: inset 0 1px 0 rgba(255, 255, 255, 0.07);
  --blur: blur(22px) saturate(150%);
  --radius: 16px;
  --radius-sm: 10px;
  --max: 1160px;
  --text-max: 720px;
  --font: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --mono: Consolas, ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
}

/* ---- The aurora behind the page ---- */
body::before, body::after { content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none; }
/* Wide, slow bands of green and blue light, very blurred. */
body::before {
  inset: -20%;
  background:
    conic-gradient(from 210deg at 50% 40%, rgba(200, 236, 70, 0) 0deg, rgba(200, 236, 70, 0.30) 40deg, rgba(54, 140, 110, 0.36) 90deg, rgba(61, 107, 140, 0.50) 150deg, rgba(61, 107, 140, 0) 210deg, rgba(61, 107, 140, 0.30) 280deg, rgba(200, 236, 70, 0) 360deg);
  filter: blur(90px);
  animation: aurora-turn 60s linear infinite;
}
@keyframes aurora-turn { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { body::before { animation: none; } }
/* Fine grain on top, so that the large color areas look matte, not flat. */
body::after {
  opacity: 0.09; mix-blend-mode: overlay;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

img, svg { display: block; max-width: 100%; }
a { color: var(--lime); text-underline-offset: 3px; }
a:hover { color: var(--lime-hover); }
code { font-family: var(--mono); font-size: 0.92em; background: var(--raised); padding: 1px 5px; border-radius: 4px; }
h1, h2, h3 { font-family: var(--font-display); color: var(--fg-strong); line-height: 1.2; margin: 0 0 0.5em; }
h1, h2 { text-wrap: balance; }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 650; letter-spacing: -0.01em; }
h3 { font-size: 1.1rem; font-weight: 600; }
p { margin: 0 0 1em; }
[id] { scroll-margin-top: 84px; }
:focus-visible { outline: 2px solid var(--lime); outline-offset: 2px; border-radius: 4px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
.wrap.narrow { max-width: var(--text-max); }
.muted { color: var(--fg-2); }
.small { font-size: 0.875rem; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 8px; z-index: 10; background: var(--lime); color: var(--on-lime); padding: 6px 12px; }

/* ---- Header ---- */
.site-header {
  position: sticky; top: 0; z-index: 5;
  background: var(--glass-strong);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  border-bottom: 1px solid var(--glass-edge);
}
.site-header .wrap { display: flex; align-items: center; gap: 24px; min-height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--fg-strong); text-decoration: none; font-weight: 650; font-size: 1.05rem; }
.brand:hover { color: var(--fg-strong); }
.brand img { width: 28px; height: 28px; }
.nav { display: flex; gap: 4px; margin-left: auto; flex-wrap: wrap; }
.nav a { color: var(--fg-2); text-decoration: none; padding: 6px 10px; border-radius: 8px; font-size: 0.95rem; }
.nav a:hover { color: var(--fg-strong); background: rgba(255, 255, 255, 0.07); }
/* The current page has a light pill, so that the reader sees where they are. */
.nav a[aria-current="page"] { color: var(--fg-strong); background: rgba(255, 255, 255, 0.09); box-shadow: inset 0 0 0 1px var(--glass-edge); }
@media (max-width: 640px) {
  /* The menu goes under the logo. The row gap keeps the current-page pill away from the logo. */
  .site-header .wrap { flex-wrap: wrap; gap: 10px 0; padding-top: 10px; padding-bottom: 8px; }
  /* Five items fit in one line at 375 px. A narrower screen wraps them. */
  .nav { gap: 2px; margin-left: -7px; width: calc(100% + 7px); }
  .nav a { padding: 6px 7px; font-size: 0.88rem; }
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 26px; border-radius: 999px;
  font-weight: 600; text-decoration: none; border: 1px solid transparent;
}
.btn-primary { background: var(--lime); color: var(--on-lime); }
.btn-primary:hover { background: var(--lime-hover); color: var(--on-lime); }
.btn-secondary { background: rgba(255, 255, 255, 0.05); color: var(--fg-strong); border-color: var(--line-2); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur); }
.btn-secondary:hover { background: rgba(255, 255, 255, 0.1); color: var(--fg-strong); }
.btn svg { width: 20px; height: 20px; flex: none; }
.btn-note { display: block; margin-top: 10px; font-size: 0.875rem; color: var(--fg-2); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

/* ---- Sections of the home page ---- */
main { display: block; }
.section { padding: 128px 0 0; }
main > section:last-child { padding-bottom: 128px; }
.section-head { max-width: 760px; margin: 0 auto 64px; text-align: center; }
.section-head h2 { font-size: clamp(2rem, 4.6vw, 3.2rem); letter-spacing: -0.03em; line-height: 1.08; }
.section-head p.muted { font-size: 1.15rem; }
/* A neutral label with a small dot. The dot has the color of the section. */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 10px;
  color: var(--fg-2); font-size: 0.78rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--dot, var(--lime)); }

/* ---- Home: hero. The text and the buttons on the left, the screenshot on the right. ---- */
.hero { padding: 104px 0 24px; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 72px; align-items: center; }
.hero h1 { font-size: clamp(2.6rem, 5.4vw, 4.6rem); letter-spacing: -0.035em; line-height: 1.02; }
.hero p.lead { font-size: 1.2rem; color: var(--fg-2); max-width: 34em; margin-bottom: 36px; }
.hero .btn-note { margin-top: 16px; }
.hero .wrap > .ui-demo { box-shadow: 0 50px 100px -40px rgba(200, 236, 70, 0.18), 0 40px 80px -30px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.06); }
@media (max-width: 760px) {
  .hero { padding-top: 56px; }
  .hero .wrap { grid-template-columns: minmax(0, 1fr); gap: 48px; }
}

/* ---- Home: steps. No cards: a line on top and a large thin number. ---- */
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 40px; counter-reset: step; list-style: none; padding: 0; margin: 0; }
.steps li { border-top: 1px solid var(--line-2); padding: 24px 0 0; counter-increment: step; }
.steps li::before {
  content: counter(step, decimal-leading-zero);
  display: block; margin-bottom: 18px;
  font: 200 3.2rem/1 var(--font-display); color: var(--lime); letter-spacing: -0.02em;
}
.steps h3 { font-size: 1.25rem; }
.steps p { color: var(--fg-2); margin: 0; }
.steps p.step-tags { color: var(--fg); font-weight: 500; font-size: 0.95rem; margin-bottom: 8px; }
@media (max-width: 960px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .steps { grid-template-columns: minmax(0, 1fr); } }

/* ---- Home: feature rows with an animation. A large thin number and a large title. ---- */
.feature-rows { display: grid; gap: 144px; }
.feature-row { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: 56px; align-items: center; }
.feature-row:nth-child(even) .feature-text { order: 2; }
/* A wide row gives more space to a detailed animation. */
.feature-row.wide { grid-template-columns: minmax(0, 0.6fr) minmax(0, 1.4fr); gap: 64px; }
.feature-row.wide:nth-child(even) { grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr); }
.feature-num { font: 200 3.6rem/1 var(--font-display); color: var(--fg-3); margin-bottom: 20px; }
.feature-row h3 { font-size: clamp(1.6rem, 3vw, 2.3rem); letter-spacing: -0.02em; }
.feature-row p { color: var(--fg-2); font-size: 1.15rem; line-height: 1.65; margin: 0; }
@media (max-width: 880px) {
  .feature-rows { gap: 88px; }
  .feature-num { font-size: 2.6rem; }
  .feature-row, .feature-row.wide, .feature-row.wide:nth-child(even) { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .feature-row:nth-child(even) .feature-text { order: 0; }
}

/* ---- Home: the advantage sections. Each one is a soft band of its own color, each item is a tile. ---- */
/* Local and safe: the court blue. No AI: the accent. */
main > .section-local { --tint: 61, 107, 140; --dot: var(--court-text); }
main > .section-noai { --tint: 200, 236, 70; --dot: var(--lime); }
main > .section-local,
main > .section-noai {
  margin-top: 128px; padding: 112px 0;
  background: linear-gradient(180deg, rgba(var(--tint), 0.15), rgba(var(--tint), 0.05)), var(--glass);
  border-top: 1px solid rgba(var(--tint), 0.25); border-bottom: 1px solid rgba(var(--tint), 0.12);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
}
main > .section-noai { margin-top: 0; border-top-color: rgba(var(--tint), 0.2); }
main > .section-local .section-head,
main > .section-noai .section-head { margin-bottom: 48px; }
.features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.feature {
  padding: 28px 26px 30px; border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.045); border: 1px solid rgba(255, 255, 255, 0.07);
  border-top: 3px solid rgba(var(--tint, 200, 236, 70), 0.7); box-shadow: var(--glass-light);
}
.feature svg { width: 26px; height: 26px; color: var(--lime); margin-bottom: 14px; }
.feature h3 { font-size: 1.25rem; }
.feature p { color: var(--fg-2); margin: 0; font-size: 1.02rem; }
@media (max-width: 880px) {
  main > .section-local { margin-top: 88px; }
  main > .section-local, main > .section-noai { padding: 72px 0; }
  .features { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
}
@media (max-width: 560px) { .features { grid-template-columns: minmax(0, 1fr); } }

/* ---- Home: the note of the author. Centered, with large text. ---- */
.author { display: flex; flex-direction: column; align-items: center; gap: 28px; max-width: 780px; margin: 0 auto; text-align: center; }
.author p { font-size: 1.4rem; line-height: 1.55; color: var(--fg-strong); letter-spacing: -0.01em; margin: 0 0 0.8em; }
.author p.author-sign { font-size: 1rem; color: var(--fg-2); margin: 1.2em 0 0; }
.author-avatar {
  flex: none; width: 80px; height: 80px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--lime); color: var(--on-lime);
  font-family: var(--font-display); font-size: 2rem; font-weight: 700;
}

/* ---- Home: example videos. Each one is a link to YouTube with a still image. ---- */
.videos { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }
.video { margin: 0; }
.video-play {
  position: relative; display: block; width: 100%; aspect-ratio: 16 / 9; overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 14px; background: #000;
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.7);
}
.video-play img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s, opacity 0.2s; opacity: 0.88; }
.video-play:hover img { transform: scale(1.03); opacity: 1; }
.video-btn {
  position: absolute; left: 50%; top: 50%; width: 76px; height: 76px; margin: -38px 0 0 -38px;
  display: grid; place-items: center; border-radius: 50%;
  background: var(--lime); color: var(--on-lime);
  box-shadow: 0 0 0 10px rgba(200, 236, 70, 0.18), 0 10px 30px rgba(0, 0, 0, 0.5);
  transition: transform 0.15s;
}
.video-btn svg { width: 30px; height: 30px; margin-left: 3px; }
.video-play:hover .video-btn { transform: scale(1.08); }
.video figcaption { display: flex; flex-wrap: wrap; gap: 4px 12px; align-items: baseline; margin-top: 16px; }
.video figcaption b { color: var(--fg-strong); font-weight: 600; font-size: 1.1rem; }
.video figcaption span { color: var(--fg-2); font-size: 0.9rem; }
.video-note { margin: 28px 0 0; text-align: center; color: var(--fg-3); font-size: 0.85rem; }
@media (max-width: 720px) { .videos { grid-template-columns: minmax(0, 1fr); } }

/* ---- Call to action: a large centered glass panel with an accent glow ---- */
.cta {
  display: flex; flex-direction: column; flex-wrap: wrap; gap: 32px; align-items: center; justify-content: center; text-align: center;
  padding: 96px 40px; border: 1px solid var(--glass-edge); border-radius: 32px;
  background: radial-gradient(60% 90% at 50% 0%, rgba(200, 236, 70, 0.18), transparent 70%), var(--glass);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur); box-shadow: var(--glass-light);
}
.cta h2 { font-size: clamp(2.2rem, 5vw, 3.6rem); letter-spacing: -0.03em; margin-bottom: 6px; }
.cta p { margin: 0; color: var(--fg-2); }
@media (max-width: 880px) { .section { padding-top: 88px; } }
@media (max-width: 560px) { .cta { padding: 56px 22px; border-radius: 22px; } }

/* ---- Text pages ---- */
.page { padding: 56px 0 80px; }
.page h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); }
.page h2 { font-size: 1.45rem; margin-top: 2em; }
.page h3 { margin-top: 1.6em; }
.page ul, .page ol { padding-left: 1.3em; margin: 0 0 1em; }
.page li { margin-bottom: 0.4em; }
.page li > ul { margin-top: 0.4em; }
.page .lead { font-size: 1.15rem; color: var(--fg-2); }
.toc, .card {
  background: var(--glass); border: 1px solid var(--glass-edge); border-radius: var(--radius);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur); box-shadow: var(--glass-light);
}
.toc { padding: 16px 20px; margin: 28px 0; }
.toc p { margin: 0 0 6px; font-weight: 600; color: var(--fg-strong); }
.toc ul { margin: 0; }
.note { border: 1px solid var(--yellow-line); background: var(--yellow-tint); border-radius: var(--radius-sm); padding: 14px 18px; margin: 20px 0; }
.note p:last-child { margin-bottom: 0; }
.note strong { color: var(--yellow); }
.card { padding: 24px; margin: 24px 0; }
.card > :last-child { margin-bottom: 0; }
.meta { color: var(--fg-2); font-size: 0.9rem; }

/* Numbered install steps. */
.install { list-style: none; counter-reset: install; padding: 0 !important; }
.install > li { counter-increment: install; position: relative; padding-left: 44px; margin-bottom: 18px; }
.install > li::before {
  content: counter(install);
  position: absolute; left: 0; top: 0; width: 28px; height: 28px;
  display: grid; place-items: center; border-radius: 50%;
  background: var(--raised); border: 1px solid var(--line-2); color: var(--fg-strong); font-size: 0.85rem; font-weight: 700;
}

/* System needs table. */
.spec { width: 100%; border-collapse: collapse; margin: 0 0 1em; }
.spec th, .spec td { text-align: left; vertical-align: top; padding: 10px 0; border-bottom: 1px solid var(--line); }
.spec th { width: 34%; color: var(--fg-2); font-weight: 500; padding-right: 16px; }
@media (max-width: 560px) {
  .spec th, .spec td { display: block; width: auto; padding: 0; border: 0; }
  .spec th { padding-top: 12px; }
  .spec tr { display: block; border-bottom: 1px solid var(--line); padding-bottom: 12px; }
}

/* FAQ. */
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer; list-style: none; padding: 18px 32px 18px 0; position: relative;
  font-weight: 600; color: var(--fg-strong);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 14px; font-size: 1.4rem; color: var(--fg-2); font-weight: 400; }
.faq details[open] summary::after { content: "\2212"; }
.faq details > div { padding: 0 0 18px; color: var(--fg); }
.faq h2 { margin-top: 2em; }

/* Changelog. */
.release { border-left: 2px solid var(--line-2); padding: 0 0 8px 24px; margin: 32px 0; position: relative; }
.release::before { content: ""; position: absolute; left: -7px; top: 8px; width: 12px; height: 12px; border-radius: 50%; background: var(--lime); }
.release h2 { margin: 0 0 4px; font-size: 1.3rem; }

/* ---- Footer ---- */
.site-footer {
  border-top: 1px solid var(--glass-edge); padding: 40px 0 48px; color: var(--fg-2); font-size: 0.9rem;
  background: var(--glass-strong); backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
}
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 16px 40px; justify-content: space-between; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.site-footer a { color: var(--fg-2); text-decoration: none; }
.site-footer a:hover { color: var(--fg-strong); }
.site-footer p { margin: 0; }