/* Cassie's landing page (index.html). Calm and plain, after linear.app and animos.app: one idea a section,
   lots of space, one button that matters. Every colour is a token below, set again for dark mode. */
:root {
  color-scheme: light dark;
  /* the page */
  --page: #f5f5f7; --page-2: #ececf0; --card: #ffffff; --ink: #1d1d1f; --mute: #5e5e66; --line: rgba(29, 29, 31, .1);
  /* the night band: the hero and the closing call, dark in both themes */
  --night: #0b0b0e; --night-2: #16161b; --night-ink: #f7f7f8; --night-mute: #a6a6b0; --night-line: rgba(255, 255, 255, .1);
  /* Cassie's popup in the demo: always dark, like the real one */
  --pop: #16151b; --pop-ink: #ffffff; --pop-mute: #c4c4cc; --pop-line: rgba(255, 255, 255, .12); --pop-soft: rgba(255, 255, 255, .08);
  /* the one accent: Cassie's highlighter */
  --accent: #ffd84d; --accent-ink: #1d1d1f;
  /* the featured plan */
  --feat: #1d1d1f; --feat-ink: #f7f7f8; --feat-mute: #c4c4cc; --feat-line: rgba(255, 255, 255, .16);
  --shade: rgba(0, 0, 0, .12);
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --body: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --r: 16px; --r-lg: 24px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --page: #08090a; --page-2: #101114; --card: #111216; --ink: #f7f8f8; --mute: #9a9ba3; --line: rgba(255, 255, 255, .09);
    --night: #08090a; --night-2: #111216;
    --feat: #f7f8f8; --feat-ink: #08090a; --feat-mute: #4a4b52; --feat-line: rgba(8, 9, 10, .14);
    --shade: rgba(0, 0, 0, .5);
  }
}
:root[data-theme="dark"] {
  --page: #08090a; --page-2: #101114; --card: #111216; --ink: #f7f8f8; --mute: #9a9ba3; --line: rgba(255, 255, 255, .09);
  --night: #08090a; --night-2: #111216;
  --feat: #f7f8f8; --feat-ink: #08090a; --feat-mute: #4a4b52; --feat-line: rgba(8, 9, 10, .14);
  --shade: rgba(0, 0, 0, .5);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; background: var(--page); color: var(--ink); font: 17px/1.55 var(--body); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; }
img { max-width: 100%; display: block; }
h1, h2, h3, .btn { font-family: var(--sans); }
h1, h2 { text-wrap: balance; }
button, input { font-family: inherit; }
.wrap { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* ---------- nav: a thin bar, like Linear's ---------- */
.nav { position: fixed; inset: 0 0 auto; z-index: 50; height: 72px; display: flex; align-items: center; gap: 24px; padding: 0 max(16px, calc((100% - 1120px) / 2)); background: color-mix(in srgb, var(--night) 82%, transparent); color: var(--night-ink); border-bottom: 1px solid var(--night-line); backdrop-filter: blur(18px) saturate(1.4); -webkit-backdrop-filter: blur(18px) saturate(1.4); transition: background .3s, color .3s, border-color .3s; }
.nav.light { background: color-mix(in srgb, var(--page) 86%, transparent); color: var(--ink); border-color: var(--line); }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 18px; letter-spacing: -.01em; text-decoration: none; min-height: 44px; }
.brand svg { width: 24px; height: 24px; }
.nav.light .brand, footer .brand { --logo-arrow: var(--page); }
footer .brand { color: var(--ink); }
.nav .links { display: flex; gap: 4px; margin-left: auto; font-size: 15px; }
.nav .links a { text-decoration: none; opacity: .78; padding: 0 12px; min-height: 44px; display: inline-flex; align-items: center; }
.nav .links a:hover { opacity: 1; }
.ext-get { position: relative; display: flex; }
.ext-get small { position: absolute; left: 0; right: 0; top: calc(100% + 2px); text-align: center; font: 500 11px/1 var(--sans); opacity: .78; white-space: nowrap; }
.ext-get + .btn { margin-left: -12px; }
@media (max-width: 760px) { .nav .links, .ext-get { display: none; } .nav .btn { margin-left: auto; } }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 20px; border-radius: 999px; font: 600 15.5px/1 var(--sans); text-decoration: none; cursor: pointer; border: 1px solid transparent; white-space: nowrap; transition: transform .15s, background .2s, border-color .2s; }
.btn:active { transform: translateY(1px); }
.btn.solid { background: var(--night-ink); color: var(--night); }
.btn.solid:hover { background: var(--page-2); }
.nav.light .btn.solid { background: var(--ink); color: var(--page); }
.btn.quiet { background: transparent; color: inherit; border-color: var(--night-line); }
.nav.light .btn.quiet { border-color: var(--line); }
.btn.big { min-height: 52px; padding: 0 26px; font-size: 17px; }
.btn.ink { background: var(--ink); color: var(--page); }
.btn.line { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.line:hover { border-color: var(--ink); }
.text-link { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0; border: 0; background: none; color: var(--night-mute); font: 500 15.5px/1 var(--sans); cursor: pointer; text-decoration: none; }
.text-link:hover { color: var(--night-ink); }

/* ---------- 1. hero: a headline, one button, and Cassie to try ---------- */
.hero { position: relative; isolation: isolate; background: var(--night); color: var(--night-ink); padding: 152px 0 96px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: -2; opacity: .22; }
.hero-bg canvas { opacity: 0; transition: opacity 1.4s ease; }
.hero-bg.live canvas { opacity: 1; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, transparent 40%, var(--night) 96%); pointer-events: none; }
.hero h1 { font: 600 clamp(40px, 6.4vw, 76px)/1.04 var(--sans); letter-spacing: -.03em; margin: 0; max-width: 15ch; }
.hero .lead { font-size: clamp(17px, 1.5vw, 19px); color: var(--night-mute); max-width: 560px; margin: 24px 0 40px; }
.hero .cta { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; }
.hero-try { margin-top: 64px; perspective: 1400px; }
.hero-try .try-win { transform-origin: 50% 0; transform: rotateX(calc((1 - var(--flat, 1)) * 16deg)) scale(calc(.94 + var(--flat, 1) * .06)); will-change: transform; }
/* the spinning light around the one button that matters (Animos's beam) */
@property --beam { syntax: "<angle>"; inherits: false; initial-value: 0deg; }
.btn.beam { position: relative; isolation: isolate; }
.btn.beam::before { content: ""; position: absolute; inset: -2px; z-index: -1; border-radius: inherit; padding: 2px; background: conic-gradient(from var(--beam), transparent 0 62%, var(--accent) 80%, var(--night-ink) 88%, transparent 96%); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0); animation: beam 3.6s linear infinite; }
.btn.beam.off::before { animation-play-state: paused; }
@keyframes beam { to { --beam: 360deg; } }

/* the lesson page to highlight (landing/try.js) */
.try-win { position: relative; max-width: 920px; border-radius: var(--r-lg); background: var(--card); color: var(--ink); border: 1px solid var(--night-line); box-shadow: 0 40px 90px var(--shade); }
.try-bar { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--line); font: 600 13px/1 var(--sans); color: var(--mute); }
.try-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.try-bar span { margin-left: 8px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#try-page { position: relative; padding: 24px 28px 28px; cursor: text; -webkit-tap-highlight-color: transparent; }
#try-page h3 { margin: 0 0 4px; font: 700 24px/1.15 var(--sans); letter-spacing: -.02em; }
#try-page .tp-meta { margin: 0 0 16px; font-size: 13px; color: var(--mute); }
#try-page p.tp-text { margin: 0 0 12px; font-size: 17px; line-height: 1.7; }
#try-page b[data-term] { font-weight: 700; background-image: linear-gradient(currentColor, currentColor); background-size: 100% 1.5px; background-position: 0 92%; background-repeat: no-repeat; cursor: pointer; border-radius: 3px; }
#try-page b[data-term]:hover { background-color: var(--page-2); }
#try-page ::selection { background: var(--accent); color: var(--accent-ink); }
#try-hint { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 16px; padding: 8px 12px 8px 10px; border-radius: 999px; background: var(--accent); color: var(--accent-ink); font: 600 13px/1 var(--sans); transition: opacity .3s, transform .3s; }
#try-hint svg { width: 14px; height: 14px; }
#try-hint svg path { fill: var(--accent-ink); }
#try-hint.play { animation: tpNudge 1.6s ease-in-out 3; }
#try-hint.done { opacity: 0; transform: translateY(-6px); pointer-events: none; }
@keyframes tpNudge { 0%, 100% { transform: none; } 30% { transform: translateY(-4px); } 60% { transform: translateY(1px); } }
#try-bot { position: absolute; right: -20px; bottom: -32px; width: 88px; height: 88px; z-index: 3; pointer-events: none; filter: drop-shadow(0 14px 20px var(--shade)); }
#try-bot .cassie-bot { width: 100%; height: 100%; display: block; }
.try-note { margin: 24px 0 0; font-size: 14.5px; color: var(--night-mute); }
#try-pop { position: absolute; z-index: 6; width: min(340px, calc(100% - 24px)); border-radius: var(--r); background: var(--pop); color: var(--pop-ink); box-shadow: 0 26px 60px var(--shade); border: 1px solid var(--pop-line); cursor: default; animation: tpIn .18s ease-out; }
#try-pop[hidden] { display: none; }
@keyframes tpIn { from { opacity: 0; transform: translateY(-6px) scale(.98); } }
#try-pop .tp-h { display: flex; justify-content: space-between; align-items: center; padding: 8px 8px 8px 14px; border-bottom: 1px solid var(--pop-line); font: 700 11.5px/1 var(--sans); letter-spacing: .12em; }
#try-pop .tp-x { width: 44px; height: 44px; border: 0; border-radius: 10px; background: transparent; color: var(--pop-ink); font-size: 20px; cursor: pointer; }
#try-pop .tp-x:hover { background: var(--pop-soft); }
#try-pop .tp-q { margin: 0; padding: 12px 14px 10px; font-size: 14.5px; font-weight: 600; }
#try-pop .tp-acts { display: flex; gap: 8px; padding: 0 14px 14px; }
#try-pop [data-act] { flex: 1; min-height: 44px; border-radius: 10px; border: 1px solid var(--pop-line); background: var(--pop-soft); color: var(--pop-ink); font: 600 14px/1 var(--sans); cursor: pointer; }
#try-pop [data-act]:hover { background: var(--pop-line); }
#try-pop [data-act].on { background: var(--pop-ink); color: var(--pop); border-color: var(--pop-ink); }
.tp-out { padding: 12px 14px 14px; border-top: 1px solid var(--pop-line); font-size: 14.5px; line-height: 1.55; }
.tp-out[hidden] { display: none; }
.tp-out p { margin: 0; }
.tp-dots { display: inline-flex; gap: 5px; } .tp-dots i { width: 7px; height: 7px; border-radius: 50%; background: var(--pop-ink); opacity: .3; animation: tpDot 1s infinite; } .tp-dots i:nth-child(2) { animation-delay: .15s; } .tp-dots i:nth-child(3) { animation-delay: .3s; }
@keyframes tpDot { 50% { opacity: 1; transform: translateY(-3px); } }
.tp-open { display: inline-block; margin-top: 8px; font-weight: 600; }
.tp-quiz { font-weight: 600; margin-bottom: 8px !important; }
.tp-opts { display: grid; gap: 8px; }
.tp-opts button { text-align: left; min-height: 44px; padding: 8px 12px; border-radius: 10px; border: 1px solid var(--pop-line); background: var(--pop-soft); color: inherit; font: 500 14px/1.3 var(--body); cursor: pointer; }
.tp-opts button.right { background: var(--pop-ink); color: var(--pop); border-color: var(--pop-ink); font-weight: 700; }
.tp-opts button.right::after { content: "  ✓"; }
.tp-opts button.wrong { text-decoration: line-through; color: var(--pop-mute); }
.tp-fb { margin-top: 8px !important; color: var(--pop-mute); }
.tp-card { position: relative; display: block; width: 100%; min-height: 104px; border: 0; padding: 0; background: none; color: inherit; cursor: pointer; perspective: 800px; font: inherit; }
.tp-card .f, .tp-card .b { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; padding: 12px 14px; border-radius: 12px; text-align: center; backface-visibility: hidden; -webkit-backface-visibility: hidden; transition: transform .5s; }
.tp-card .f { background: var(--pop-ink); color: var(--pop); font: 700 18px/1.2 var(--sans); }
.tp-card .f small { font: 500 12px/1 var(--body); }
.tp-card .b { background: var(--pop-soft); border: 1px solid var(--pop-line); transform: rotateY(180deg); font-size: 14px; }
.tp-card.flip .f { transform: rotateY(-180deg); }
.tp-card.flip .b { transform: rotateY(0); }
.tp-note { margin-top: 8px !important; font-size: 13px; color: var(--pop-mute); }

/* ---------- sections ---------- */
main > section { padding: 96px 0; }
.kicker { margin: 0 0 16px; font: 600 13px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--mute); }
h2 { font: 600 clamp(32px, 4.4vw, 52px)/1.08 var(--sans); letter-spacing: -.025em; margin: 0; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px 64px; align-items: start; }
.split .sub { margin: 0; color: var(--mute); font-size: 19px; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

/* 2. the sentence: held on screen while it comes into focus, word by word (Animos) */
#why { padding: 0; height: 220vh; }
.say-pin { position: sticky; top: 0; height: 100vh; display: flex; align-items: center; justify-content: center; }
.say { font: 600 clamp(28px, 3.8vw, 48px)/1.25 var(--sans); letter-spacing: -.02em; margin: 0; max-width: 24ch; text-align: center; }
.say span { color: var(--mute); filter: blur(3px); transition: color .3s, filter .3s; }
.say span.lit { color: var(--ink); filter: none; }

/* 3. how it works: three cards that stack as you scroll */
.how-stack { margin-top: 64px; display: grid; gap: 24px; }
.how-card { position: sticky; top: 96px; display: grid; grid-template-columns: 1fr 1.1fr; gap: 40px; align-items: center; min-height: 380px; padding: 40px; border-radius: var(--r-lg); background: var(--card); border: 1px solid var(--line); box-shadow: 0 -16px 40px var(--page); }
.how-card:nth-child(2) { top: 112px; } .how-card:nth-child(3) { top: 128px; }
.how-card { transform: scale(calc(1 - var(--sink, 0) * .05)); transform-origin: 50% 0; }
.how-card .n { font: 600 13px/1 var(--sans); letter-spacing: .14em; color: var(--mute); }
.how-card h3 { margin: 16px 0 8px; font-size: 28px; letter-spacing: -.02em; }
.how-card p { margin: 0; color: var(--mute); font-size: 17px; }
@media (max-width: 760px) { .how-card { position: relative; top: 0 !important; grid-template-columns: 1fr; padding: 24px; min-height: 0; } }
/* the little pictures: drawn from the app's own screens */
.pic { border-radius: var(--r); background: var(--page-2); border: 1px solid var(--line); padding: 24px; font-size: 15px; }
.pic .hlw { background: var(--accent); color: var(--accent-ink); border-radius: 4px; padding: 0 3px; }
.pic .bub { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px; }
.pic .bub + .bub { margin-top: 8px; }
.pic .bub b { display: block; margin-bottom: 4px; }
.pic ol { margin: 8px 0 0; padding-left: 20px; }
.pic .qa { display: grid; gap: 8px; margin-top: 8px; }
.pic .qa span { display: block; padding: 8px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--card); }
.pic .qa span.ok { background: var(--ink); color: var(--page); border-color: var(--ink); font-weight: 600; }
.pic .meta { color: var(--mute); font-size: 13px; }

/* 4. built for every student, and a strip of subjects sliding by (Animos's showcase) */
.subjects { display: flex; overflow: hidden; margin-top: 64px; -webkit-mask: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); mask: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent); }
.subjects ul { display: flex; gap: 16px; margin: 0; padding: 0 16px 0 0; list-style: none; flex: none; animation: slide 48s linear infinite; }
.subjects.off ul, .subjects:hover ul { animation-play-state: paused; }
.subjects li { flex: none; width: 220px; padding: 20px; border-radius: var(--r); background: var(--card); border: 1px solid var(--line); }
.subjects b { display: block; font: 600 17px/1.3 var(--sans); }
.subjects span { color: var(--mute); font-size: 15px; }
@keyframes slide { to { transform: translateX(-100%); } }
.grid6 { margin-top: 24px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 960px) { .grid6 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .grid6 { grid-template-columns: 1fr; } }
.who { padding: 24px; border-radius: var(--r); background: var(--card); border: 1px solid var(--line); }
.who .ico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--page-2); }
.who .ico svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.who h3 { margin: 16px 0 8px; font-size: 19px; letter-spacing: -.01em; }
.who p { margin: 0; color: var(--mute); font-size: 15.5px; }
.who .go { display: inline-flex; align-items: center; min-height: 44px; margin-top: 8px; margin-right: 16px; font-weight: 600; font-size: 15px; }

/* 5. private, and made here */
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 64px; }
@media (max-width: 760px) { .pair { grid-template-columns: 1fr; } }
.pair article { padding: 32px; border-radius: var(--r); background: var(--card); border: 1px solid var(--line); }
.pair h3 { margin: 0 0 8px; font-size: 22px; letter-spacing: -.01em; }
.pair p { margin: 0; color: var(--mute); }
.pair a { display: inline-flex; align-items: center; min-height: 44px; margin-top: 8px; font-weight: 600; }

/* ---------- 6. pricing ---------- */
.toggles { display: flex; flex-wrap: wrap; gap: 8px; margin: 40px 0 24px; }
.seg { display: inline-flex; padding: 4px; border-radius: 999px; background: var(--page-2); border: 1px solid var(--line); }
.seg button { border: 0; background: transparent; color: var(--mute); font: 600 14.5px/1 var(--sans); min-height: 44px; padding: 0 16px; border-radius: 999px; cursor: pointer; }
.seg button.on { background: var(--card); color: var(--ink); box-shadow: 0 2px 8px var(--shade); }
.seg button small { font-weight: 700; color: var(--ink); margin-left: 6px; font-size: 12px; }
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: start; }
@media (max-width: 960px) { .plans { grid-template-columns: 1fr; max-width: 520px; } }
.plan { position: relative; padding: 32px; border-radius: var(--r-lg); background: var(--card); border: 1px solid var(--line); }
.plan h3 { margin: 0; font-size: 24px; letter-spacing: -.02em; }
.plan .tag { color: var(--mute); margin: 8px 0 24px; font-size: 15.5px; }
.plan .price { display: flex; align-items: baseline; gap: 8px; }
.plan .price b { font: 600 44px/1 var(--sans); letter-spacing: -.03em; }
.plan .price span { color: var(--mute); }
.plan .bill { color: var(--mute); font-size: 14.5px; min-height: 22px; margin: 8px 0 24px; }
.plan .btn { width: 100%; }
.plan ul { list-style: none; margin: 24px 0 0; padding: 24px 0 0; border-top: 1px solid var(--line); display: grid; gap: 12px; }
.plan li { display: flex; gap: 10px; align-items: flex-start; font-size: 15.5px; }
.plan li svg { flex: none; width: 18px; height: 18px; margin-top: 3px; }
.plan .pass { display: inline-block; margin: 0 0 8px; padding: 4px 10px; border-radius: 999px; border: 1px solid currentColor; font-size: 12.5px; font-weight: 700; letter-spacing: .04em; }
.plan .pass[hidden] { display: none; }
.plan .under { margin: 12px 0 0; font-size: 13.5px; line-height: 1.45; color: var(--mute); }
.plan .all summary { display: flex; align-items: center; min-height: 44px; margin-top: 12px; font-weight: 600; font-size: 15px; cursor: pointer; list-style: none; }
.plan .all summary::-webkit-details-marker { display: none; }
.plan .all summary::after { content: "+"; margin-left: 8px; font-weight: 400; font-size: 20px; }
.plan .all[open] summary::after { content: "−"; }
.plan .all ul { margin-top: 8px; padding-top: 16px; }
.plan.feat { background: var(--feat); color: var(--feat-ink); border-color: var(--feat); }
.plan.feat .tag, .plan.feat .bill, .plan.feat .price span, .plan.feat .under { color: var(--feat-mute); }
.plan.feat ul { border-color: var(--feat-line); }
.plan.feat .btn.solid { background: var(--feat-ink); color: var(--feat); }
.badge { position: absolute; top: 16px; right: 16px; font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: 6px 10px; border-radius: 999px; background: var(--accent); color: var(--accent-ink); }
.anchor { margin: 32px 0 0; font-size: 17px; font-weight: 600; text-align: center; }
.fine { margin: 16px 0 0; color: var(--mute); font-size: 14.5px; text-align: center; }

/* ---------- 7. faq ---------- */
.faq { display: grid; gap: 8px; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 0 24px; }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; min-height: 64px; font-weight: 600; font-size: 17px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-weight: 400; font-size: 24px; color: var(--mute); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0 0 24px; color: var(--mute); }

/* ---------- the closing call and the footer ---------- */
.final { margin-top: 96px; border-radius: var(--r-lg); background: var(--night); color: var(--night-ink); padding: 96px 32px; text-align: center; border: 1px solid var(--night-line); }
.final h2 { margin: 0 auto 16px; }
.final p { color: var(--night-mute); margin: 0 auto 40px; max-width: 520px; font-size: 19px; }
footer { padding: 64px 0; border-top: 1px solid var(--line); color: var(--mute); font-size: 15px; }
.foot { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 32px; }
@media (max-width: 760px) { .foot { grid-template-columns: 1fr 1fr; } }
.foot h4 { margin: 0 0 8px; font-size: 14px; color: var(--ink); }
.foot nav { display: grid; }
.foot a { text-decoration: none; min-height: 44px; display: inline-flex; align-items: center; }
.foot a:hover { color: var(--ink); }

/* ---------- the tour video, the toast ---------- */
.modal { position: fixed; inset: 0; z-index: 100; background: color-mix(in srgb, var(--night) 88%, transparent); backdrop-filter: blur(8px); display: none; align-items: center; justify-content: center; padding: 16px; }
.modal.open { display: flex; }
.modal video { width: min(1100px, 100%); border-radius: var(--r); }
.modal button { position: absolute; top: 16px; right: 16px; width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--night-line); background: var(--night-2); color: var(--night-ink); font-size: 22px; cursor: pointer; }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(20px); background: var(--ink); color: var(--page); padding: 14px 20px; border-radius: 14px; font-weight: 600; font-size: 15px; opacity: 0; pointer-events: none; transition: .3s; z-index: 120; max-width: calc(100% - 32px); text-align: center; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- arriving as you scroll (all still with Reduce Motion) ---------- */
.rv { opacity: 0; transform: translateY(24px); transition: opacity .8s cubic-bezier(.2, .7, .2, 1), transform .8s cubic-bezier(.2, .7, .2, 1); }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rv { opacity: 1; transform: none; transition: none; }
  .say span { color: var(--ink); filter: none; transition: none; }
  #why { height: auto; padding: 96px 0; } .say-pin { position: static; height: auto; }
  .hero-try .try-win, .how-card { transform: none; }
  .btn.beam::before, .subjects ul { animation: none; }
  .subjects { overflow-x: auto; } .subjects ul[aria-hidden] { display: none; }
  #try-hint.play, .tp-dots i { animation: none; }
}