:root {
  --rb-pink: #dc968c;
  --rb-pink-2: #e38cb2;
  --rb-brown: #733e2e;
  --rb-cream: #fbf4ea;
  --rb-sky: #3db7d6;
  --rb-orange: #f4a259;
  --rb-green: #8fcb6b;
  --rb-yellow: #f2d16b;
}

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Hero */
.rb-hero {
  position: relative; overflow: hidden; color: var(--rb-brown);
  padding: clamp(60px, 9vw, 120px) 0 clamp(80px, 10vw, 130px);
  background:
    radial-gradient(circle at 85% 15%, rgba(220, 150, 140, .28), transparent 40%),
    radial-gradient(circle at 10% 90%, rgba(143, 203, 107, .22), transparent 40%),
    var(--rb-cream);
}
.rb-hero .eyebrow { background: var(--rb-brown); color: #fff; }
.rb-hero .lead { color: #8a5a4a; }
.rb-logo { width: min(520px, 100%); margin: 6px 0 22px; filter: drop-shadow(0 8px 0 rgba(115, 62, 46, .18)); }
.rb-hero-art img {
  width: 100%; max-width: 520px; margin-inline: auto; border-radius: 40px;
  border: 8px solid #fff; box-shadow: 0 30px 60px rgba(115, 62, 46, .25); rotate: 2deg;
}
.btn-rb-ghost { color: var(--rb-brown); background: #fff; box-shadow: inset 0 0 0 3px var(--rb-brown); }
.rb-badges { list-style: none; display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 26px 0 0; }
.rb-badges li {
  font-family: "Fredoka", sans-serif; font-weight: 500; font-size: .95rem;
  padding: 6px 14px; border-radius: 999px; background: #fff; box-shadow: 0 2px 0 rgba(115, 62, 46, .12);
}

/* Bands */
.band-rb-pink { background: linear-gradient(135deg, var(--rb-pink), var(--rb-pink-2)); color: #fff; }
.rb-hero + .band::before { --prev: var(--rb-cream); }
.band-rb-cream { background: var(--rb-cream); color: var(--rb-brown); }
.band-rb-pink + .band-rb-cream { --prev: var(--rb-pink-2); }
.band-rb-green { background: linear-gradient(135deg, var(--rb-green), #b7dc7e); color: var(--rb-brown); --prev: var(--rb-cream); }
.band-rb-brown { background: linear-gradient(135deg, var(--rb-brown), #8f5341); color: #fff; --prev: #b7dc7e; }
.band-rb-sky { background: linear-gradient(135deg, var(--rb-sky), #6fcde4); color: #fff; --prev: #8f5341; }
.band-rb-sky + .band-rb-cream { --prev: #6fcde4; }
.band-rb-cta { background: linear-gradient(135deg, var(--rb-orange), var(--rb-pink)); color: #fff; --prev: var(--rb-cream); }
.band-rb-cream .eyebrow { background: #fff; color: var(--rb-brown); box-shadow: 0 2px 0 rgba(115, 62, 46, .1); }
.band-rb-green .eyebrow { background: rgba(255, 255, 255, .6); }
.band-rb-green .checks li::before { color: var(--rb-brown); }

/* Rules */
.rules { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 46px; }
.rule { background: #fff; color: var(--rb-brown); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); text-align: center; }
.rule h3 { margin: 20px 0 6px; }
.rule p { margin: 0; color: #8a5a4a; }
.rb-board {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 5px; padding: 8px;
  background: #fff; border-radius: 18px; box-shadow: inset 0 0 0 2px #f3e6d6;
  width: min(240px, 100%); margin-inline: auto;
}
.rb-board span { position: relative; aspect-ratio: 1; border-radius: 9px; display: grid; place-items: center; }
.rb-board .reg-0 { background: var(--rb-sky); }
.rb-board .reg-1 { background: var(--rb-orange); }
.rb-board .reg-2 { background: var(--rb-green); }
.rb-board .reg-3 { background: var(--rb-pink-2); }
.rb-board .is-dim { opacity: .28; }
.rb-board img { width: 86%; }
.rb-board .x { position: absolute; inset: 24%; }
.rb-board .x::before, .rb-board .x::after {
  content: ""; position: absolute; left: 50%; top: -8%; width: 18%; height: 116%;
  background: #fff; border-radius: 99px; translate: -50% 0; rotate: 45deg;
}
.rb-board .x::after { rotate: -45deg; }

.controls {
  display: flex; align-items: center; justify-content: center; gap: 22px; flex-wrap: wrap;
  margin: 40px auto 0; padding: 20px 30px; max-width: 760px;
  background: rgba(255, 255, 255, .2); border-radius: var(--radius);
}
.controls img { width: 80px; }
.controls ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 4px; font-size: 1.1rem; }
.controls strong { font-family: "Fredoka", sans-serif; font-weight: 600; }

/* Phones */
.phone {
  width: min(300px, 100%); margin-inline: auto; border-radius: 38px; overflow: hidden;
  border: 9px solid #2b1a14; background: #2b1a14; box-shadow: 0 26px 50px rgba(43, 26, 20, .35);
}
.phone img { width: 100%; border-radius: 28px; }
.rb-learn { grid-template-columns: .8fr 1.2fr; }

/* Features */
.features { display: grid; gap: 16px; margin-top: 28px; }
.feature { display: flex; gap: 18px; align-items: center; background: #fff; border-radius: 22px; padding: 16px 20px; box-shadow: 0 8px 20px rgba(115, 62, 46, .08); }
.feature img { width: 64px; flex: none; }
.feature h3 { font-size: 1.25rem; margin: 0 0 2px; }
.feature p { margin: 0; color: #8a5a4a; font-size: 1rem; }

/* Garden */
.rb-garden img {
  width: 100%; max-width: 500px; margin-inline: auto; border-radius: 40px;
  border: 8px solid #fff; box-shadow: 0 30px 60px rgba(60, 90, 40, .3); rotate: -2deg;
}

/* Screenshots */
.shots { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; margin-top: 46px; }
.shots figure { margin: 0; text-align: center; }
.shots .phone { width: 100%; max-width: 250px; border-color: #fff; background: #fff; border-width: 7px; }
.shots figcaption { font-family: "Fredoka", sans-serif; font-weight: 500; font-size: 1.1rem; margin-top: 16px; }
.band-rb-brown .eyebrow { background: rgba(255, 255, 255, .18); }

/* Perks */
.perks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; margin-top: 46px; }
.perk { background: #fff; color: var(--rb-brown); border-radius: var(--radius); padding: 28px; text-align: center; box-shadow: var(--shadow); }
.perk img { width: 96px; margin: 0 auto 10px; }
.perk p { margin: 0; color: #8a5a4a; }
.fair { text-align: center; font-weight: 700; margin: 34px auto 0; max-width: 60ch; }

/* FAQ */
.rb-faq details { background: #fff; border-radius: 20px; margin-top: 14px; box-shadow: 0 6px 16px rgba(115, 62, 46, .08); }
.rb-faq details:first-of-type { margin-top: 36px; }
.rb-faq summary {
  cursor: pointer; list-style: none; padding: 18px 56px 18px 24px; position: relative;
  font-family: "Fredoka", sans-serif; font-weight: 500; font-size: 1.2rem;
}
.rb-faq summary::-webkit-details-marker { display: none; }
.rb-faq summary::after {
  content: "+"; position: absolute; right: 20px; top: 50%; translate: 0 -50%;
  width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center;
  background: var(--rb-pink); color: #fff; font-size: 1.3rem; transition: rotate .2s;
}
.rb-faq details[open] summary::after { rotate: 45deg; }
.rb-faq details p { padding: 0 24px 20px; margin: 0; color: #8a5a4a; }

/* CTA */
.rb-cta-art img { width: min(300px, 70%); margin-inline: auto; filter: drop-shadow(0 20px 30px rgba(115, 62, 46, .35)); }
.band-rb-cta .btn-light { color: var(--rb-pink); }

@media (max-width: 900px) {
  .rules, .perks { grid-template-columns: 1fr; max-width: 420px; margin-inline: auto; }
  .rb-learn { grid-template-columns: 1fr; }
  .rb-learn .phone { order: 2; }
  .shots { grid-template-columns: repeat(2, 1fr); }
  .rb-hero-art { order: -1; }
  .rb-hero-art img { max-width: 360px; }
}
@media (max-width: 520px) {
  .shots { gap: 16px; }
  .controls { flex-direction: column; text-align: center; }
}