:root {
  --color-primary: #15803d;
  --color-primary-hover: #166534;
  --color-primary-light: #f0fdf4;
  --color-primary-border: #bbf7d0;
  --color-bg: #f8fafc;
  --color-card: #ffffff;
  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-text-light: #64748b;
  --color-border: #e2e8f0;
  --color-warning-bg: #fff7ed;
  --color-warning-border: #ffedd5;
  --color-warning-text: #9a3412;
  --color-warning-icon: #ea580c;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05), 0 20px 25px -5px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2.5rem 1.25rem;
  -webkit-font-smoothing: antialiased;
}

.page-wrapper {
  width: 100%;
  max-width: 680px;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Card Container */
.content-card {
  background-color: var(--color-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-card);
  padding: 2.75rem 2.5rem;
}

@media (max-width: 640px) {
  body {
    padding: 1.25rem 0.875rem;
  }
  .content-card {
    padding: 1.75rem 1.25rem;
    border-radius: 16px;
  }
}

/* Brand Header */
.brand-header {
  text-align: center;
  margin-bottom: 2rem;
}

.logo-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-primary-light);
  border: 1px solid var(--color-primary-border);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.9375rem;
  letter-spacing: -0.01em;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  margin-bottom: 1rem;
}

.logo-icon {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.page-title {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.025em;
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

@media (max-width: 640px) {
  .page-title {
    font-size: 1.5rem;
  }
}

.intro-text {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Email Highlight Box */
.email-card {
  background-color: var(--color-primary-light);
  border: 1px solid var(--color-primary-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin: 1.75rem 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.625rem;
}

.email-label {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
}

.email-link {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  word-break: break-all;
  transition: color 0.15s ease;
}

.email-link:hover,
.email-link:focus-visible {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

.email-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

/* Permanent Notice Box */
.notice-box {
  background-color: var(--color-warning-bg);
  border: 1px solid var(--color-warning-border);
  border-left: 4px solid var(--color-warning-icon);
  border-radius: var(--radius-sm);
  padding: 0.875rem 1.125rem;
  margin-bottom: 2rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.notice-icon {
  width: 20px;
  height: 20px;
  color: var(--color-warning-icon);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.notice-text {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-warning-text);
  line-height: 1.45;
}

/* Content Sections */
.section-block {
  margin-bottom: 2rem;
}

.section-block:last-of-type {
  margin-bottom: 0;
}

.section-heading {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  letter-spacing: -0.015em;
}

/* Data List */
.data-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.data-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.bullet-icon {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 0.2rem;
}

/* Retained Info Box */
.retained-card {
  background-color: #f8fafc;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 1rem 1.25rem;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Steps List */
.steps-list {
  list-style: none;
  counter-reset: step-counter;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.steps-list li {
  counter-increment: step-counter;
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.step-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background-color: var(--color-primary);
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.steps-list strong {
  color: var(--color-text);
  font-weight: 600;
}

.inline-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

.inline-link:hover {
  text-decoration: underline;
}

/* Footer */
.page-footer {
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-light);
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.footer-link {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.footer-link:hover {
  color: var(--color-primary);
  text-decoration: underline;
}