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

:root {
  color-scheme: light;
  font-family: Nunito, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #22242a;
  background: #eceef3;
}

html, body { min-height: 100%; margin: 0; }

body {
  min-height: 100vh;
  display: grid;
  place-items: start center;
  background: radial-gradient(circle at 50% -8%, rgba(90, 105, 245, 0.12), transparent 30rem), #eceef3;
}

.offer-shell {
  width: min(100%, 430px);
  min-height: 100vh;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 24px 80px rgba(20, 28, 44, 0.16);
}

.reward-hero {
  position: relative;
  min-height: 220px;
  padding: 28px 22px 0;
  text-align: center;
  color: #fff;
  border-radius: 0 0 16px 16px;
  background: radial-gradient(circle at 50% 110%, rgba(50, 72, 113, 0.48), transparent 48%), linear-gradient(180deg, #0b1019 0%, #161d2a 100%);
}

.partner-row {
  min-height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 18px;
}

.partner-mark { font-size: 0.82rem; font-weight: 900; letter-spacing: -0.04em; }
.partner-mark::before { content: "◆"; margin-right: 4px; color: #45e987; font-size: 0.67rem; }
.partner-mark span { color: #8d96a8; font-weight: 700; }

.verified-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 9px;
  border-radius: 6px;
  color: #07160f;
  background: linear-gradient(135deg, #a6f4c7, #5fe596);
  box-shadow: 0 5px 18px rgba(69, 233, 135, 0.22);
  font-size: 0.67rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.reward-hero h1 {
  margin: 0;
  font-size: clamp(2rem, 8vw, 2.55rem);
  line-height: 1.02;
  letter-spacing: -0.045em;
  font-weight: 900;
}

.gift-card {
  position: absolute;
  z-index: 2;
  left: 50%;
  bottom: -52px;
  width: 224px;
  height: 136px;
  overflow: hidden;
  transform: translateX(-50%);
  border-radius: 10px;
  text-align: left;
  padding: 4px 14px 12px 62px;
  color: #fff;
  background: linear-gradient(125deg, #db24cd 0%, #844ae4 48%, #17b9ed 100%);
  box-shadow: 0 22px 42px rgba(37, 37, 62, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.gift-card::after { content: ""; position: absolute; inset: auto 0 0; height: 14px; background: rgba(255, 255, 255, 0.9); }
.gift-card strong { position: relative; z-index: 2; display: block; font-size: 4rem; line-height: 0.92; font-weight: 500; letter-spacing: -0.07em; }
.reward-name { position: relative; z-index: 2; display: block; margin-top: 34px; font-size: 1.6rem; line-height: 1; font-weight: 900; }
.gift-card small { position: relative; z-index: 2; display: block; margin-top: 3px; font-size: 0.6rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; }

.orb { position: absolute; z-index: 1; display: block; border-radius: 50%; }
.orb-one { width: 76px; height: 76px; left: -21px; top: 16px; background: #20bbec; }
.orb-two { width: 38px; height: 38px; left: 27px; top: 49px; background: linear-gradient(135deg, #fff, #c7c9d2); }
.orb-three { width: 37px; height: 37px; right: 14px; bottom: 17px; background: #9f39ef; }

.brand-note {
  position: absolute;
  z-index: 3;
  left: 50%;
  bottom: -52px;
  width: 224px;
  margin: 0;
  transform: translate(-50%, 100%);
  color: #30323a;
  font-size: 0.52rem;
  font-weight: 700;
}

.question-panel { padding: 86px 10px 30px; }
.progress-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: center; margin-bottom: 25px; }
.progress-bars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; }
.progress-bars span { height: 5px; border-radius: 999px; background: #d8d9e1; }
.progress-bars .active { background: #2169d4; }
.progress-row p { margin: 0; color: #65666d; font-size: 0.78rem; }

.question-panel h2 { margin: 0 0 27px; text-align: center; font-size: 1.35rem; font-weight: 900; letter-spacing: -0.02em; }
.choices { display: grid; gap: 15px; }

.choice {
  position: relative;
  min-height: 68px;
  display: grid;
  grid-template-columns: 58px 1fr 58px;
  align-items: center;
  padding: 0 12px;
  border: 1px solid #d8d9e1;
  border-radius: 999px;
  color: #24252b;
  background: #f7f7fb;
  font: inherit;
  font-size: 1.35rem;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(31, 42, 68, 0.05);
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.gender-icon {
  width: 43px;
  height: 43px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 50%;
  color: #fff;
  font-family: system-ui, sans-serif;
  font-size: 1.85rem;
  font-weight: 800;
  line-height: 1;
  box-shadow: 0 8px 18px rgba(36, 64, 130, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.42);
}

.gender-female { background: linear-gradient(145deg, #d84dd8, #8357e8); }
.gender-male { background: linear-gradient(145deg, #28b9ec, #3267dc); }
.choice-yes { border-color: #246ad2; background: #fbfcff; }
.select-dot { justify-self: end; width: 17px; height: 17px; border: 2px solid #c7cad4; border-radius: 50%; background: #eceef4; box-shadow: inset 0 1px 2px rgba(20, 30, 50, 0.12); }
.choice:hover, .choice:focus-visible { transform: translateY(-2px); border-color: #246ad2; background: #fff; box-shadow: 0 12px 28px rgba(33, 105, 212, 0.14); outline: none; }
.choice:active { transform: translateY(0) scale(0.99); }
.choice:disabled { cursor: wait; opacity: 0.75; }

footer { padding: 18px 22px 24px; text-align: center; color: #666870; background: #fbfbfd; border-top: 1px solid #f0f0f4; font-size: 0.63rem; line-height: 1.35; }
footer p { margin: 0 0 5px; }

@media (min-width: 700px) {
  body { padding: 28px 0; }
  .offer-shell { min-height: 0; border-radius: 20px; }
  .reward-hero { border-radius: 20px 20px 16px 16px; }
}

@media (prefers-reduced-motion: reduce) { .choice { transition: none; } }