:root {
  --bg: #f7f3f0;
  --panel: #fffdfb;
  --panel-alt: #f8e9eb;
  --ink: #1c1c1c;
  --muted: #5f5a5a;
  --accent: #d8222b;
  --accent-dark: #a5141d;
  --accent-soft: #f9d7dc;
  --line: rgba(28, 28, 28, 0.12);
  --success: #1f8a5c;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Arial", "Helvetica Neue", Helvetica, sans-serif;
  background: linear-gradient(180deg, #fffaf8 0%, #f4ede8 100%);
  color: var(--ink);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
}

.page-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 20px 96px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 0 18px;
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand-mark {
  display: block;
  width: auto;
  max-width: 220px;
  height: 64px;
  object-fit: contain;
  background: transparent;
  box-shadow: none;
  border: none;
  border-radius: 0;
  padding: 0;
  margin: 0;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 0.95rem;
}

.main-nav a {
  transition: opacity 0.2s ease;
}

.main-nav a:hover {
  opacity: 0.7;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.8fr);
  gap: 28px;
  align-items: stretch;
}

.hero-copy,
.reward-panel {
  background: rgba(255, 255, 255, 0.56);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: 0 18px 40px rgba(59, 38, 21, 0.06);
}

.hero-copy {
  padding: 34px 28px 26px;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.77rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  color: var(--accent-dark);
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(2.3rem, 5vw, 4.2rem);
  line-height: 0.96;
  letter-spacing: -0.06em;
}

.subtitle {
  margin: 16px 0 0;
  font-size: 1.05rem;
  color: var(--muted);
}

.steps {
  margin-top: 32px;
  display: grid;
  gap: 16px;
}

.step-card {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px 18px;
}

.step-icon {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--accent-soft);
  display: grid;
  place-items: center;
  font-weight: 800;
  color: var(--accent-dark);
}

.step-card h2 {
  margin: 0 0 6px;
  font-size: 1.05rem;
}

.step-card p {
  margin: 0;
  color: var(--muted);
}

.faq-rail {
  margin-top: 28px;
  display: grid;
  gap: 12px;
}

.faq-toggle {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 17px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  text-align: left;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.faq-toggle:hover {
  transform: translateY(-1px);
  border-color: rgba(214, 96, 42, 0.35);
}

.toggle-plus {
  font-size: 1.5rem;
  color: var(--accent-dark);
}

.faq-answer {
  display: none;
  background: rgba(242, 231, 215, 0.8);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0 16px;
  overflow: hidden;
}

.faq-answer p {
  margin: 16px 0;
  color: var(--muted);
}

.faq-toggle.active + .faq-answer {
  display: block;
}

.reward-panel {
  position: relative;
  padding: 28px 24px 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: linear-gradient(180deg, rgba(255,255,255,0.95), rgba(243,236,226,0.95));
}

.promo-badge {
  align-self: flex-start;
  background: rgba(31, 138, 92, 0.1);
  color: var(--success);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.reward-panel h2 {
  margin: 18px 0 0;
  font-size: clamp(2.9rem, 6vw, 5rem);
  line-height: 0.9;
  letter-spacing: -0.08em;
}

.promo-label {
  margin: 8px 0 0;
  font-weight: 700;
  color: var(--muted);
}

.reward-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
}

.reward-points div {
  background: rgba(255,255,255,0.72);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.reward-points strong {
  font-size: 1.15rem;
}

.reward-points span {
  color: var(--muted);
  font-size: 0.76rem;
}

.claim-btn {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: max(14px, env(safe-area-inset-bottom));
  width: min(92vw, 420px);
  margin-top: 0;
  appearance: none;
  border: none;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent) 0%, #f05460 100%);
  color: #fff;
  font-weight: 800;
  font-size: 1.02rem;
  letter-spacing: 0.03em;
  cursor: pointer;
  text-transform: uppercase;
  padding: 18px 22px;
  box-shadow: 0 14px 28px rgba(216, 34, 43, 0.26);
  transition: transform 0.18s ease, box-shadow 0.18s ease, left 0.2s ease;
  z-index: 999;
}

.claim-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 30px rgba(216, 34, 43, 0.32);
}

.secure-copy {
  margin: 14px 0 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
}

.category-strip {
  max-width: 1200px;
  margin: 24px auto 0;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.category-strip div {
  background: rgba(255,255,255,0.56);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 12px;
  text-align: center;
  font-weight: 700;
  color: var(--muted);
}

@media (max-width: 840px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .category-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .page-shell {
    padding: 14px 14px 110px;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .main-nav {
    gap: 14px;
    flex-wrap: wrap;
  }

  .hero-copy,
  .reward-panel {
    border-radius: 20px;
  }

  .hero-copy {
    padding: 22px 18px 18px;
  }

  .hero-copy h1 {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .subtitle {
    font-size: 0.95rem;
  }

  .step-card {
    padding: 14px 12px;
    gap: 12px;
  }

  .step-card h2 {
    font-size: 0.98rem;
  }

  .step-card p,
  .faq-answer p,
  .secure-copy,
  .main-nav,
  .promo-label {
    font-size: 0.8rem;
  }

  .faq-toggle {
    padding: 14px 12px;
    font-size: 0.82rem;
  }

  .reward-panel {
    padding: 18px 16px 16px;
  }

  .reward-points,
  .category-strip {
    grid-template-columns: 1fr;
  }

  .brand-mark {
    max-width: 180px;
    height: 52px;
  }

  .reward-panel .secure-copy {
    margin-bottom: 78px;
  }
}