/* ============================================
   Grid Flipp: Match Puzzle — Privacy Policy
   Color palette inspired by the app logo
   ============================================ */

/* --- CSS Variables (Logo-Inspired Palette) --- */
:root {
  /* Primary accent — deep indigo / navy from logo background */
  --color-primary: #1E2A6E;
  --color-primary-light: #2E3F8F;
  --color-primary-dark: #101B4A;

  /* Gold accent from the star & border */
  --color-gold: #D9A441;
  --color-gold-light: #F4D36A;
  --color-gold-dark: #A66B12;

  /* Blue from the star tile */
  --color-blue: #2E9FFF;
  --color-blue-light: #58B9FF;

  /* Purple from the question mark tile */
  --color-purple: #8E28F2;
  --color-purple-light: #B14BFF;

  /* Green from the leaf tile */
  --color-green: #56D61F;
  --color-green-light: #7FE84A;

  /* Red from the heart tile */
  --color-red: #F13D2B;

  /* Neutrals */
  --color-bg: #F6F7FB;
  --color-surface: #FFFFFF;
  --color-text: #2C2C3A;
  --color-text-secondary: #5A5A72;
  --color-text-light: #8888A0;
  --color-border: #E4E6F0;
  --color-divider: #EDEDF5;

  /* Typography */
  --font-heading: 'Plus Jakarta Sans', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Spacing */
  --section-gap: 3rem;
  --content-max-width: 780px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Header --- */
.pp-header {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
  padding: 3rem 1.5rem 2.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.pp-header::before {
  content: '';
  position: absolute;
  top: -60%;
  left: -20%;
  width: 140%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 50%, rgba(142, 40, 242, 0.12) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 30%, rgba(46, 159, 255, 0.10) 0%, transparent 50%);
  pointer-events: none;
}

.pp-header::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-blue), var(--color-purple), var(--color-red), var(--color-gold), var(--color-green));
}

.header-content {
  position: relative;
  z-index: 1;
  max-width: var(--content-max-width);
  margin: 0 auto;
}

.app-logo {
  width: 88px;
  height: 88px;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25),
              0 2px 8px rgba(217, 164, 65, 0.20);
  margin-bottom: 1.25rem;
  object-fit: contain;
}

.app-name {
  font-family: var(--font-heading);
  font-size: 1.65rem;
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -0.02em;
  margin-bottom: 0.3rem;
}

.page-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.72);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* --- Main Content Area --- */
.pp-main {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

/* --- Effective Date Badge --- */
.effective-date {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, rgba(46, 159, 255, 0.08), rgba(142, 40, 242, 0.08));
  border: 1px solid rgba(46, 159, 255, 0.18);
  color: var(--color-primary);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.5rem 1.1rem;
  border-radius: 50px;
  margin-bottom: 2rem;
}

.effective-date .dot {
  width: 7px;
  height: 7px;
  background-color: var(--color-green);
  border-radius: 50%;
  flex-shrink: 0;
}

/* --- App Info Card --- */
.app-info-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem 1.75rem;
  margin-bottom: var(--section-gap);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.03);
}

.app-info-card dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem 1.25rem;
}

.app-info-card dt {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.app-info-card dd {
  font-size: 0.95rem;
  color: var(--color-text);
  font-weight: 500;
}

/* --- Section Styles --- */
.pp-section {
  margin-bottom: var(--section-gap);
  padding-bottom: var(--section-gap);
  border-bottom: 1px solid var(--color-divider);
}

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

/* Section number badge */
.section-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: 0.75rem;
  flex-shrink: 0;
}

.pp-section h2 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  letter-spacing: -0.015em;
  margin-bottom: 1rem;
  line-height: 1.35;
}

.pp-section p {
  margin-bottom: 1rem;
  color: var(--color-text);
  line-height: 1.8;
}

.pp-section p:last-child {
  margin-bottom: 0;
}

/* --- Intro Paragraph --- */
.intro-text {
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--color-text);
  margin-bottom: var(--section-gap);
  padding-bottom: var(--section-gap);
  border-bottom: 1px solid var(--color-divider);
}

.intro-text p {
  margin-bottom: 1rem;
}

.intro-text p:last-child {
  margin-bottom: 0;
}

/* --- Lists --- */
.pp-section ul {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 1rem;
}

.pp-section ul li {
  position: relative;
  padding-left: 1.6rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
  line-height: 1.7;
}

.pp-section ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-blue), var(--color-purple));
}

/* Alternate list bullet colors per section for variety */
.pp-section:nth-child(4n+1) ul li::before {
  background: linear-gradient(135deg, var(--color-blue), var(--color-purple));
}

.pp-section:nth-child(4n+2) ul li::before {
  background: linear-gradient(135deg, var(--color-green), var(--color-blue));
}

.pp-section:nth-child(4n+3) ul li::before {
  background: linear-gradient(135deg, var(--color-purple), var(--color-red));
}

.pp-section:nth-child(4n) ul li::before {
  background: linear-gradient(135deg, var(--color-gold), var(--color-red));
}

/* --- Highlight Box (for important sub-info) --- */
.highlight-box {
  background: linear-gradient(135deg, rgba(46, 159, 255, 0.04), rgba(142, 40, 242, 0.04));
  border-left: 3px solid var(--color-blue);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 1rem 1.25rem;
  margin: 1rem 0;
}

.highlight-box p {
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.highlight-box p:last-child {
  margin-bottom: 0;
}

/* --- Permission Badge --- */
.permission-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(86, 214, 31, 0.10);
  color: #2E8B0D;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.35rem 0.85rem;
  border-radius: 50px;
  margin: 0.5rem 0 0.75rem;
}

.permission-badge::before {
  content: '🔒';
  font-size: 0.8rem;
}

/* --- Contact Card --- */
.contact-card {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 2rem;
  margin-top: 1rem;
}

.contact-card .contact-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 0.25rem;
}

.contact-card .contact-value {
  font-size: 1.05rem;
  font-weight: 500;
  color: #FFFFFF;
  margin-bottom: 1.25rem;
}

.contact-card .contact-value:last-child {
  margin-bottom: 0;
}

.contact-card a {
  color: var(--color-gold-light);
  text-decoration: none;
  transition: color 0.2s ease;
}

.contact-card a:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

/* --- Footer --- */
.pp-footer {
  background: var(--color-primary-dark);
  padding: 2rem 1.5rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.85rem;
  line-height: 1.7;
}

.pp-footer .footer-inner {
  max-width: var(--content-max-width);
  margin: 0 auto;
}

.pp-footer .company-name {
  font-weight: 600;
  color: rgba(255, 255, 255, 0.8);
}

.pp-footer a {
  color: var(--color-gold-light);
  text-decoration: none;
  transition: color 0.2s ease;
}

.pp-footer a:hover {
  color: #FFFFFF;
}

.footer-divider {
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-blue), var(--color-purple));
  margin: 0.75rem auto;
  border-radius: 2px;
}

/* --- Back to Top Button --- */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 46px;
  height: 46px;
  border: none;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #FFFFFF;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(30, 42, 110, 0.3);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.3s ease;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-purple));
  box-shadow: 0 6px 22px rgba(30, 42, 110, 0.4);
  transform: translateY(-2px);
}

/* --- Responsive --- */
@media (max-width: 640px) {
  .pp-header {
    padding: 2.25rem 1.25rem 2rem;
  }

  .app-logo {
    width: 72px;
    height: 72px;
  }

  .app-name {
    font-size: 1.35rem;
  }

  .page-title {
    font-size: 0.95rem;
  }

  .pp-main {
    padding: 2rem 1.15rem 3rem;
  }

  .pp-section h2 {
    font-size: 1.18rem;
  }

  .app-info-card dl {
    grid-template-columns: 1fr;
    gap: 0.2rem;
  }

  .app-info-card dt {
    margin-top: 0.5rem;
  }

  .app-info-card dt:first-child {
    margin-top: 0;
  }

  .contact-card {
    padding: 1.5rem;
  }

  .back-to-top {
    bottom: 1.25rem;
    right: 1.25rem;
    width: 42px;
    height: 42px;
    font-size: 1rem;
  }
}

@media (max-width: 380px) {
  body {
    font-size: 15px;
  }

  .pp-header {
    padding: 2rem 1rem 1.75rem;
  }

  .pp-main {
    padding: 1.5rem 1rem 2.5rem;
  }

  .app-info-card {
    padding: 1.25rem;
  }
}

/* --- Print Styles --- */
@media print {
  .back-to-top {
    display: none;
  }

  .pp-header {
    background: var(--color-primary-dark) !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .pp-footer {
    background: var(--color-primary-dark) !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  body {
    font-size: 12pt;
  }
}