:root {
  --bg: #f8f4ea;
  --bg-warm: #ffe9c9;
  --surface: #ffffff;
  --text: #1b2438;
  --muted: #5b6275;
  --line: #e6dfcf;
  --navy: #1b2438;
  --red: #e31a26;
  --red-text: #b4121d; /* the red as small TEXT: 6.3:1 on --bg (plain --red is 4.3:1) */
  --amber: #f7940a;
  --green: #0e8f5f;
  --blue: #1257b4;
  --cream: #f4efe4;
  --btn: #1b2438;
  --btn-text: #f4efe4;
  --link: #1257b4;
  --shadow: 0 18px 40px -18px rgba(27, 36, 56, 0.35);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17130f;
    --bg-warm: #2d2016;
    --surface: #241e17;
    --text: #f4efe4;
    --muted: #b9b2a3;
    --line: #3a3228;
    --btn: #f7940a;
    --btn-text: #1b1208;
    --link: #f0a65a;
    --red-text: #ff6b73; /* 6.7:1 on the dark --bg */
    --shadow: 0 18px 40px -18px rgba(0, 0, 0, 0.7);
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; } /* classes like .cta/.cleared-view set display and would otherwise beat the attribute */
html { scroll-behavior: smooth; }
[id] { scroll-margin-top: 104px; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--link); }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }

/* nav */
.nav { position: sticky; top: 0; z-index: 10; background: var(--bg); background: color-mix(in srgb, var(--bg) 70%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; gap: 24px; height: 88px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; color: var(--text); text-decoration: none; }
.logo { flex: none; }
.logo img { width: 72px; height: 72px; flex: none; }
.nav-links { display: flex; gap: 20px; margin-left: auto; }
.nav-links a { color: var(--muted); text-decoration: none; font-weight: 600; font-size: 15px; }
.nav-links a:hover { color: var(--text); }
.nav .btn { margin-left: 0; padding: 9px 16px; font-size: 15px; white-space: nowrap; flex: none; }
@media (max-width: 760px) { .nav-links { display: none; } .nav .btn { margin-left: auto; } }
@media (max-width: 400px) {
  .nav .wrap { height: 72px; gap: 12px; }
  .logo { font-size: 17px; gap: 8px; }
  .logo img { width: 48px; height: 48px; }
  .nav .btn { padding: 8px 12px; }
  [id] { scroll-margin-top: 88px; }
}

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 24px; border-radius: 14px; background: var(--btn); color: var(--btn-text); font-weight: 700; text-decoration: none; box-shadow: var(--shadow); }
.btn:hover { transform: translateY(-1px); }
.btn.ghost { background: transparent; color: var(--text); border: 2px solid var(--line); box-shadow: none; }

/* hero */
.hero { padding: 56px 0 24px; }
.hero .wrap { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 32px; align-items: center; }
.eyebrow { display: inline-block; padding: 6px 12px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line); font-size: 14px; font-weight: 700; color: var(--muted); }
.hero h1 { font-size: clamp(36px, 6vw, 58px); line-height: 1.05; margin: 16px 0; letter-spacing: -0.02em; }
.hero h1 em { font-style: normal; color: var(--red); }
.lede { font-size: 20px; color: var(--muted); max-width: 30em; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 12px; }
.fine { font-size: 14px; color: var(--muted); }
.hero-art { position: relative; display: grid; place-items: center; }
.hero-art .disc { position: absolute; width: 92%; aspect-ratio: 1; border-radius: 50%; background: linear-gradient(160deg, #ffd9a0, #ffb36b 60%, #f7940a); opacity: 0.9; }
.hero-art img { position: relative; width: 82%; filter: drop-shadow(0 18px 24px rgba(27, 36, 56, 0.25)); }
.bubble { position: absolute; top: 0; right: 0; background: var(--surface); color: var(--text); border-radius: 16px; padding: 10px 14px; font-weight: 700; font-size: 15px; box-shadow: var(--shadow); }
@media (max-width: 820px) { .hero .wrap { grid-template-columns: 1fr; } .hero-art { order: -1; max-width: 320px; margin: 0 auto; } }

/* sections */
section { padding: 64px 0; }
.kicker { color: var(--red-text); font-weight: 800; font-size: 14px; letter-spacing: 0.08em; text-transform: uppercase; }
h2 { font-size: clamp(28px, 4vw, 40px); line-height: 1.15; margin: 8px 0 12px; letter-spacing: -0.01em; }
.sub { color: var(--muted); font-size: 19px; max-width: 36em; margin: 0 0 32px; }

/* phones */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step { text-align: center; }
.step h3 { margin: 20px 0 4px; font-size: 20px; }
.step p { margin: 0; color: var(--muted); font-size: 16px; }
.phone { width: 210px; aspect-ratio: 9 / 18.5; margin: 0 auto; border-radius: 34px; background: var(--navy); padding: 9px; box-shadow: var(--shadow); }
.screen { height: 100%; border-radius: 26px; overflow: hidden; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; padding: 18px 12px; text-align: center; color: #f4efe4; background: linear-gradient(180deg, #2a2f3f, #1b2438); }
.screen .label { font-size: 12px; opacity: 0.75; text-transform: uppercase; letter-spacing: 0.1em; }
.ring { --p: 0%; width: 128px; aspect-ratio: 1; border-radius: 50%; display: grid; place-items: center; background: conic-gradient(var(--amber) 0 var(--p), rgba(255, 255, 255, 0.14) 0); }
.ring span { width: 88%; aspect-ratio: 1; border-radius: 50%; background: #121622; display: grid; place-items: center; font-size: 30px; font-weight: 800; }
.screen.win { background: linear-gradient(180deg, #ffd9a0, #ffb36b); color: #1b2438; }
.screen.win img { width: 96px; }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr; gap: 40px; } }

/* exercises */
.band { background: var(--surface); border-block: 1px solid var(--line); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: var(--bg); border: 1px solid var(--line); border-radius: 20px; padding: 24px; }
.card .ico { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; background: var(--cream); margin-bottom: 14px; }
.card .ico svg { width: 34px; height: 34px; stroke: var(--navy); fill: none; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.card h3 { margin: 0 0 4px; font-size: 20px; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
@media (max-width: 760px) { .cards { grid-template-columns: 1fr; } }

/* two-column feature */
.split { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 40px; align-items: center; }
.split.flip { grid-template-columns: 1.1fr 0.9fr; }
.split .art { display: grid; place-items: center; background: linear-gradient(160deg, var(--bg-warm), transparent); border-radius: 28px; padding: 32px; }
.split .art > img { width: min(300px, 80%); filter: drop-shadow(0 14px 20px rgba(27, 36, 56, 0.25)); }
.ticks { list-style: none; padding: 0; margin: 16px 0 0; }
.ticks li { position: relative; padding-left: 32px; margin: 10px 0; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 6px; width: 20px; height: 20px; border-radius: 50%; background: var(--green); }
.ticks li::after { content: ""; position: absolute; left: 7px; top: 10px; width: 5px; height: 9px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg); }
.link-demo { margin-top: 20px; padding: 14px 16px; border-radius: 14px; border: 1px dashed var(--line); background: var(--surface); font: 14px ui-monospace, Menlo, monospace; color: var(--muted); overflow-wrap: anywhere; }
@media (max-width: 820px) { .split, .split.flip { grid-template-columns: 1fr; } .split.flip .art { order: -1; } }

/* faq */
details { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 16px 20px; margin: 12px 0; }
summary { cursor: pointer; font-weight: 700; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-size: 22px; line-height: 1; color: var(--muted); }
details[open] summary::after { content: "\2212"; }
details p { margin: 10px 0 0; color: var(--muted); }

/* closing cta */
.final { background: var(--navy); color: #f4efe4; text-align: center; border-radius: 28px; padding: 48px 20px; width: min(1040px, calc(100% - 32px)); margin: 0 auto; }
.final .mascot-disc { width: 176px; aspect-ratio: 1; margin: 0 auto 12px; border-radius: 50%; display: grid; place-items: center; background: linear-gradient(160deg, #ffd9a0, #ffb36b 60%, #f7940a); }
.final .mascot-disc img { width: 74%; margin: 0; filter: drop-shadow(0 8px 10px rgba(27, 36, 56, 0.25)); }
.final h2 { color: #f4efe4; }
.final .btn { background: var(--amber); color: #1b1208; }
.final p { color: #c9cddb; }

/* footer */
footer { padding: 48px 0 40px; color: var(--muted); font-size: 15px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 16px 32px; align-items: center; justify-content: space-between; }
footer nav { display: flex; gap: 20px; flex-wrap: wrap; }
footer a { color: var(--muted); text-decoration: none; font-weight: 600; }
footer a:hover { color: var(--text); }

/* document pages (privacy, terms, challenge, 404) */
.doc { max-width: 720px; margin: 0 auto; padding: 48px 16px 64px; }
.doc h1 { font-size: clamp(32px, 5vw, 44px); line-height: 1.1; margin: 0 0 8px; letter-spacing: -0.02em; }
.doc h2 { font-size: 22px; margin: 36px 0 8px; }
.doc p, .doc li { color: var(--text); }
.doc ul { padding-left: 20px; }
.doc .meta { color: var(--muted); }
.todo { border: 2px dashed var(--amber); border-radius: 10px; padding: 10px 14px; color: var(--text); background: color-mix(in srgb, var(--amber) 14%, transparent); }
.panel { text-align: center; padding: 48px 16px 64px; }
.panel .mascot { width: 220px; margin: 0 auto 16px; filter: drop-shadow(0 14px 20px rgba(27, 36, 56, 0.25)); }
.panel h1 { font-size: clamp(32px, 6vw, 48px); line-height: 1.1; margin: 0 0 12px; }
.panel .lede { margin: 0 auto 24px; }
.panel .cta { justify-content: center; }

/* ---- fun: feathers, tap targets, reveals ---- */
#feather-layer { position: fixed; inset: 0; pointer-events: none; overflow: hidden; z-index: 5; }
.fall { position: absolute; top: -80px; opacity: 0.85; animation: fall linear forwards; will-change: transform; }
@keyframes fall {
  0%   { transform: translate(0, 0) rotate(0deg); opacity: 0; }
  8%   { opacity: 0.85; }
  50%  { transform: translate(var(--sway), 55vh) rotate(calc(var(--spin) / 2)); }
  100% { transform: translate(calc(var(--sway) * -0.6), 115vh) rotate(var(--spin)); opacity: 0.6; }
}
.pop { position: fixed; z-index: 30; pointer-events: none; transform: translate(-50%, -50%); animation: pop 1.1s cubic-bezier(.2,.7,.3,1) forwards; }
@keyframes pop {
  0%   { transform: translate(-50%, -50%) scale(0.4) rotate(0); opacity: 1; }
  100% { transform: translate(calc(-50% + var(--dx)), calc(-50% + var(--dy) + 120px)) scale(1) rotate(var(--rot)); opacity: 0; }
}

.rooster-btn { position: relative; width: 68%; border: 0; padding: 0; background: none; cursor: pointer; -webkit-tap-highlight-color: transparent; }
.rooster-btn img { width: 100%; transition: transform .25s; }
.rooster-btn:hover img { transform: rotate(-3deg) scale(1.03); }
.rooster-btn:focus-visible { outline: 3px solid var(--blue); outline-offset: 6px; border-radius: 24px; }
.rooster-btn.wiggle img { animation: wiggle .7s ease; }
@keyframes wiggle {
  0%, 100% { transform: rotate(0) scale(1); }
  15% { transform: rotate(-8deg) scale(1.06); }
  35% { transform: rotate(7deg) scale(1.06); }
  55% { transform: rotate(-5deg); }
  75% { transform: rotate(3deg); }
}
.hint { position: absolute; left: 4%; bottom: 4%; background: var(--navy); color: var(--cream); font-size: 13px; font-weight: 800; padding: 6px 12px; border-radius: 999px; animation: nudge 2.2s ease-in-out infinite; }
@keyframes nudge { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }

/* hero ornament feathers */
.orn { position: absolute; width: 58px; opacity: 0.9; animation: bob 6s ease-in-out infinite; pointer-events: none; }
.orn.a { left: 2%; top: 14%; transform: rotate(-30deg); }
.orn.b { right: 0; bottom: 16%; width: 70px; animation-delay: -2s; }
.orn.c { left: 10%; bottom: 8%; width: 44px; animation-delay: -4s; }
@keyframes bob { 0%, 100% { translate: 0 0; rotate: 0deg; } 50% { translate: 0 -14px; rotate: 10deg; } }

/* try-it demo */
.demo { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.demo .phone { width: 250px; }
.demo .ring span { font-size: 28px; }
.rep-btn { margin-top: 8px; padding: 12px 22px; border: 0; border-radius: 999px; background: var(--amber); color: #1b1208; font-weight: 800; font-size: 15px; cursor: pointer; box-shadow: 0 6px 0 #b86d00; transition: transform .08s, box-shadow .08s; }
.rep-btn:active { transform: translateY(4px); box-shadow: 0 2px 0 #b86d00; }
.rep-btn.alt { background: var(--cream); box-shadow: 0 6px 0 #b9b09c; }
.screen .msg { font-size: 13px; opacity: .85; min-height: 18px; }
.screen.cleared { background: linear-gradient(180deg, #ffd9a0, #ffb36b); color: #1b2438; }
.screen .cleared-view { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.screen .cleared-view img { width: 110px; animation: wiggle .8s ease; }
.screen .live { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.screen.cleared .live { display: none; }
@media (max-width: 820px) { .demo { grid-template-columns: 1fr; text-align: center; } .demo .ticks { text-align: left; display: inline-block; } }

/* hover life */
.phone { transition: transform .3s; }
.step:hover .phone { transform: translateY(-8px) rotate(-1.5deg); }
.card { transition: transform .25s, box-shadow .25s; }
.card:hover { transform: translateY(-6px) rotate(-0.6deg); box-shadow: var(--shadow); }
.split .art > img { transition: transform .3s; }
.split .art:hover > img { transform: rotate(-3deg) scale(1.04); }
.btn { transition: transform .15s; }

/* scroll reveal (only when JS opts in, so no-JS shows everything) */
.js-reveal .reveal { opacity: 0; translate: 0 28px; transition: opacity .6s ease var(--d, 0ms), translate .6s ease var(--d, 0ms), transform .25s, box-shadow .25s; }
.js-reveal .reveal.in { opacity: 1; translate: 0 0; }

@media (prefers-reduced-motion: reduce) {
  .orn, .hint, .rooster-btn.wiggle img, .screen .cleared-view img { animation: none; }
  .fall, .pop { display: none; }
  .card:hover, .btn:hover, .step:hover .phone, .rooster-btn:hover img, .split .art:hover > img { transform: none; }
  html { scroll-behavior: auto; }
}

/* specificity fixes: .hero-art img (above) would otherwise override these */
.hero-art .orn { position: absolute; width: 58px; filter: none; }
.hero-art .orn.b { width: 70px; }
.hero-art .orn.c { width: 44px; }
.hero-art .rooster-btn img { width: 100%; }

/* ---- sunrise that warms as you scroll (--sun is 0..1, set by fun.js) ---- */
#sky { --sun: 0.3; position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
#sky .cool, #sky .warm { position: absolute; inset: 0; }
#sky .cool { background: linear-gradient(180deg, #dfe6f6 0%, #eceaf2 45%, var(--bg) 100%); }
#sky .warm { background: linear-gradient(180deg, #ffe0ae 0%, #ffd2a6 40%, #ffeccf 100%); opacity: var(--sun); }
#sky .sun {
  position: absolute; left: 50%; bottom: 0; width: 60vmax; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 190, 90, 0.75) 0%, rgba(255, 190, 90, 0.25) 40%, transparent 68%);
  transform: translate(-50%, calc(70% - var(--sun) * 45%));
  opacity: calc(0.25 + var(--sun) * 0.75);
}
@media (prefers-color-scheme: dark) {
  #sky .cool { background: linear-gradient(180deg, #151a2b 0%, #1a1722 50%, var(--bg) 100%); }
  #sky .warm { background: linear-gradient(180deg, #3a2414 0%, #2d1c12 50%, #241a12 100%); }
}

/* real app screenshots inside the phone frame */
.phone .shot { width: 100%; height: 100%; object-fit: cover; object-position: top; border-radius: 26px; display: block; }
.split .art .phone { width: 230px; }