:root {
  color-scheme: only light;
  font-family: "Inter", "Roboto", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  --bg: #f7fafc;
  --surface: #ffffff;
  --accent: #1e62ff;
  --accent-muted: #a3c4ff;
  --text: #0f1b2c;
  --text-muted: #546071;
  --border: rgba(15, 27, 44, 0.08);
  --radius-lg: 28px;
  --radius-md: 20px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
}

.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 32px 16px 48px;
}

.main-content,
.top-bar {
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.top-bar {
  align-items: center;
  text-align: center;
  margin-bottom: 16px;
}

.back-link {
  margin-top: 8px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}

.logo-mark {
  width: 72px;
  height: 72px;
  border-radius: 24px;
  overflow: hidden;
  margin-bottom: 8px;
  box-shadow: 0 15px 35px rgba(15, 27, 44, 0.12);
}

.logo-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.helper-label {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

h1 {
  margin: 4px 0 0;
  font-size: 1.875rem;
}

.main-content {
  gap: 32px;
}

.hero {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: 0 20px 60px rgba(23, 53, 102, 0.08);
}

.hero-kicker {
  margin: 0 0 8px;
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 600;
}

.hero h2 {
  margin: 0 0 12px;
  font-size: 1.5rem;
  line-height: 1.3;
}

.hero-text {
  margin: 0 0 24px;
  color: var(--text-muted);
  line-height: 1.5;
}

.primary-action {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  text-decoration: none;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), #467dff);
  border-radius: 999px;
  padding: 16px 24px;
  min-height: 52px;
  width: 100%;
  transition: background 0.2s ease, transform 0.2s ease;
  box-shadow: 0 15px 35px rgba(30, 98, 255, 0.28);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.01em;
}

.primary-action:active {
  transform: translateY(1px);
}

.primary-action.pulse {
  position: relative;
  animation: pulse-wave 2.6s ease-in-out infinite;
}

.primary-action.pulse::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: 0 0 0 0 rgba(30, 98, 255, 0.35);
  opacity: 0.7;
  animation: pulse-glow 2.6s ease-in-out infinite;
  pointer-events: none;
}

.primary-action::before {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: inherit;
  background: radial-gradient(
    circle at 30% 20%,
    rgba(255, 255, 255, 0.45),
    rgba(255, 255, 255, 0)
  );
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

.primary-action:hover::before {
  opacity: 1;
}

.info-card {
  display: flex;
  flex-direction: column;
  gap: 20px;
  background: transparent;
}

.info-card > div {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 20px 18px;
  border: 1px solid var(--border);
}

.info-card h3 {
  margin: 0 0 8px;
  font-size: 1.15rem;
}

.info-card p {
  margin: 0 0 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

.secondary-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}

.secondary-link::after {
  content: "→";
  font-size: 1.1em;
}

.section-header {
  gap: 12px;
}

.section-header h2 {
  margin: 0;
  font-size: 1.45rem;
}

.card-list,
.detail-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.detail-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 24px;
  border: 1px solid var(--border);
  box-shadow: 0 12px 40px rgba(15, 27, 44, 0.06);
}

.detail-card ul {
  margin: 0;
  padding-left: 20px;
  color: var(--text-muted);
  line-height: 1.6;
}

.detail-card li + li {
  margin-top: 8px;
}

.section-title h3 {
  margin: 0 0 4px;
  font-size: 1.2rem;
}

.section-title p {
  margin: 0;
  color: var(--text-muted);
}

.faq details {
  background: rgba(30, 98, 255, 0.05);
  border-radius: 16px;
  padding: 14px 16px;
  border: 1px solid rgba(30, 98, 255, 0.12);
}

.faq details + details {
  margin-top: 12px;
}

.faq summary {
  font-weight: 600;
  cursor: pointer;
}

.faq p {
  margin: 8px 0 0;
  color: var(--text-muted);
}

.highlight-card {
  background: linear-gradient(135deg, var(--accent), #4d8bff);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  box-shadow: 0 25px 60px rgba(30, 98, 255, 0.35);
}

.highlight-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.highlight-intro {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.tag-pill {
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.16);
}

.highlight-text {
  margin: 0;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.92);
}

.highlight-points {
  margin: 0;
  padding-left: 20px;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.5;
}

.highlight-points li + li {
  margin-top: 6px;
}

.highlight-card .primary-action {
  background: #fff;
  color: var(--accent);
  box-shadow: none;
}

.price-highlight {
  display: inline-block;
  padding: 2px 10px;
  margin-left: 6px;
  border-radius: 12px;
  background: rgba(30, 98, 255, 0.12);
  border: 1px solid rgba(30, 98, 255, 0.25);
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.official-section {
  background: transparent;
  border-radius: var(--radius-md);
  padding: 16px 8px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.secondary-action {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 52px;
  border-radius: 999px;
  border: 1px solid var(--accent);
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  padding: 14px 20px;
}

.official-section .secondary-action {
  border-color: var(--border);
  color: var(--text-muted);
  box-shadow: none;
  font-weight: 500;
}

.disclaimer {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
  text-align: center;
}

@media (min-width: 768px) {
  body {
    background: linear-gradient(180deg, #f1f5fb, #f9fbff);
  }

  .app-shell {
    padding: 64px 16px 80px;
  }

  .top-bar {
    align-items: flex-start;
    text-align: left;
  }
}

@keyframes pulse-wave {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.015);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes pulse-glow {
  0% {
    box-shadow: 0 0 0 0 rgba(30, 98, 255, 0.35);
  }
  70% {
    box-shadow: 0 0 0 16px rgba(30, 98, 255, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(30, 98, 255, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .primary-action.pulse,
  .primary-action.pulse::after {
    animation: none;
  }
}