/* ==========================================
   CSS Custom Properties (overridden per partner via JS)
   ========================================== */
:root {
  --color-primary: #4f46e5;
  --color-secondary: #7c3aed;
  --color-text: #111827;
  --color-text-light: #6b7280;
  --color-text-muted: #9ca3af;
  --color-bg: #ffffff;
  --color-surface: #f3f4f6;
  --color-border: #e5e7eb;

  /* System sans-serif stack */
  --font-family:
    system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, Helvetica,
    sans-serif;

  --spacing-xs: 0.375rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  --content-width: 760px;
  --radius-sm: 6px;
  --radius: 12px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);

  --header-height: 64px;
}

/* ==========================================
   Reset & Base
   ========================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1.5rem);
}

body {
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: opacity 0.15s;
}

a:hover {
  opacity: 0.75;
}

/* ==========================================
   Page Layout
   ========================================== */
#page {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

/* ==========================================
   Header — logo centered
   ========================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--spacing-lg);
}

.partner-logo {
  height: 36px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
}

/* ==========================================
   Hero
   ========================================== */
.page-hero {
  background: var(--color-primary);
  padding: var(--spacing-2xl) var(--spacing-lg);
  text-align: center;
}

.hero-inner {
  max-width: var(--content-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
}

.hero-label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
}

.hero-title {
  font-size: 1.625rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.hero-updated {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.8);
  background-color: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  padding: 0.25rem 0.875rem;
  margin-top: var(--spacing-xs);
}

/* ==========================================
   Main Content
   ========================================== */
.main-content {
  flex: 1;
  padding: var(--spacing-lg) var(--spacing-md) var(--spacing-2xl);
}

.content-wrapper {
  max-width: var(--content-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

/* ==========================================
   Table of Contents
   ========================================== */
.toc {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.toc-heading {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  counter-reset: toc-counter;
}

.toc-list li {
  counter-increment: toc-counter;
}

.toc-list li a {
  display: flex;
  align-items: baseline;
  gap: 0.375rem;
  font-size: 0.875rem;
  color: var(--color-text-light);
  text-decoration: none;
  padding: 0.3125rem 0.5rem;
  border-radius: var(--radius-sm);
  transition:
    background-color 0.15s,
    color 0.15s;
}

.toc-list li a:hover {
  background-color: color-mix(in srgb, var(--color-primary) 8%, transparent);
  color: var(--color-primary);
  opacity: 1;
}

.toc-list li a::before {
  content: counter(toc-counter, decimal-leading-zero);
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--color-primary);
  opacity: 0.55;
  flex-shrink: 0;
  min-width: 1.5rem;
}

/* ==========================================
   Policy Card
   ========================================== */
.policy-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--spacing-xl) var(--spacing-lg);
  box-shadow: var(--shadow);
}

/* ==========================================
   Policy Content
   ========================================== */
.policy-content .policy-section {
  padding-bottom: var(--spacing-xl);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--spacing-xl);
}

.policy-content .policy-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.policy-last-updated {
  display: inline-block;
  font-size: 0.8125rem;
  font-style: normal;
  color: var(--color-text-muted);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.2rem 0.75rem;
  margin-bottom: var(--spacing-lg);
}

.policy-content h2 {
  display: flex;
  align-items: center;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  padding: 0.5rem var(--spacing-md);
  background-color: color-mix(in srgb, var(--color-primary) 6%, white);
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.policy-content h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-xs);
}

.policy-content p {
  font-size: 0.9375rem;
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
  line-height: 1.75;
}

.policy-content p:last-child {
  margin-bottom: 0;
}

.policy-content ul,
.policy-content ol {
  padding-left: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
}

.policy-content li {
  font-size: 0.9375rem;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
  line-height: 1.7;
}

.policy-content strong {
  font-weight: 600;
  color: var(--color-text);
}

/* ==========================================
   Footer
   ========================================== */
.site-footer {
  background-color: #0f172a;
  padding: var(--spacing-xl) var(--spacing-lg);
}

.footer-inner {
  max-width: var(--content-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  text-align: center;
}

.legal-entity {
  font-size: 0.8125rem;
  font-weight: 500;
  color: #94a3b8;
}

.footer-copy {
  font-size: 0.6875rem;
  color: #475569;
}

/* ==========================================
   Responsive — Tablet (640px+)
   ========================================== */
@media (min-width: 640px) {
  .page-hero {
    padding: var(--spacing-3xl) var(--spacing-xl);
  }

  .hero-title {
    font-size: 2rem;
  }

  .main-content {
    padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-3xl);
  }

  .policy-card {
    padding: var(--spacing-2xl);
  }

  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

/* ==========================================
   Responsive — Desktop (1024px+)
   ========================================== */
@media (min-width: 1024px) {
  :root {
    --header-height: 72px;
  }

  .partner-logo {
    height: 44px;
    max-width: 220px;
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .page-hero {
    padding: 4.5rem var(--spacing-xl);
  }

  .content-wrapper {
    gap: var(--spacing-lg);
  }

  .toc-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2px;
  }
}