/* ==========================================================================
   SKAN PG & HOMES - DESIGN SYSTEM & STYLES
   Zero-brokerage, high-trust organic marketplace design system
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-canvas: #F8FAFC;
  --surface-card: #FFFFFF;
  --surface-card-subtle: #F1F5F9;
  
  --color-midnight: #0F172A;
  --color-midnight-light: #1E293B;
  --color-slate-dark: #334155;
  --color-slate: #64748B;
  --color-slate-light: #94A3B8;
  --border-subtle: #E2E8F0;
  --border-strong: #CBD5E1;

  /* Brand Accents */
  --accent-emerald: #10B981;
  --accent-emerald-dark: #059669;
  --accent-emerald-bg: #ECFDF5;
  --accent-emerald-border: #A7F3D0;

  --accent-saffron: #F59E0B;
  --accent-saffron-dark: #D97706;
  --accent-saffron-bg: #FEF3C7;

  --accent-navy: #1E3A8A;
  --accent-blue-bg: #EFF6FF;

  --color-danger: #EF4444;
  --color-danger-bg: #FEF2F2;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.05);

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-pill: 9999px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

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

html {
  font-family: var(--font-family);
  font-size: 16px;
  scroll-behavior: smooth;
  color: var(--color-midnight);
  background-color: var(--bg-canvas);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-midnight);
  letter-spacing: -0.02em;
}

.brand-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--color-midnight) 0%, #1E3A8A 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: 0 4px 10px rgba(15, 23, 42, 0.15);
}

.brand-title {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-title span:first-child {
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--color-midnight);
}

.brand-title span:last-child {
  font-weight: 600;
  font-size: 0.7rem;
  color: var(--accent-emerald);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-slate);
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-midnight);
  background-color: var(--surface-card-subtle);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--color-midnight);
  color: #fff;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.18);
}

.btn-primary:hover {
  background-color: var(--color-midnight-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--surface-card);
  color: var(--color-midnight);
  border-color: var(--border-strong);
}

.btn-secondary:hover {
  background-color: var(--surface-card-subtle);
}

.btn-emerald {
  background-color: var(--accent-emerald);
  color: #fff;
}

.btn-emerald:hover {
  background-color: var(--accent-emerald-dark);
}

.btn-danger {
  background-color: var(--color-danger);
  color: #fff;
}

.btn-danger:hover {
  background-color: #dc2626;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-midnight);
}

/* ==========================================================================
   HERO / BANNER SECTION
   ========================================================================== */
.hero-section {
  padding: 4.5rem 1.5rem 3.5rem;
  text-align: center;
  background: radial-gradient(circle at 50% 0%, #FFFFFF 0%, var(--bg-canvas) 85%);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  background-color: var(--accent-emerald-bg);
  border: 1px solid var(--accent-emerald-border);
  color: var(--accent-emerald-dark);
  font-size: 0.82rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-title {
  font-size: 2.85rem;
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-midnight);
  max-width: 800px;
  margin: 0 auto 1.25rem;
}

.hero-title .highlight {
  color: var(--accent-emerald);
  background: linear-gradient(135deg, #059669 0%, #10B981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-slate);
  max-width: 650px;
  margin: 0 auto 2.25rem;
  line-height: 1.6;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.google-play-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background-color: var(--color-midnight);
  color: #fff;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-fast);
}

.google-play-badge:hover {
  transform: translateY(-2px);
  background-color: #000;
}

.google-play-badge svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

.google-play-badge .badge-text {
  text-align: left;
  line-height: 1.2;
}

.google-play-badge .badge-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--color-slate-light);
  letter-spacing: 0.05em;
}

.google-play-badge .badge-brand {
  font-size: 1.05rem;
  font-weight: 700;
}

.stats-bar {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px dashed var(--border-subtle);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.stat-item {
  text-align: center;
}

.stat-val {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--color-midnight);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-slate);
  font-weight: 500;
}

/* ==========================================================================
   FEATURE CARDS
   ========================================================================== */
.features-section {
  padding: 4.5rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
}

.section-tag {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-emerald);
  margin-bottom: 0.5rem;
  display: inline-block;
}

.section-title {
  font-size: 2.15rem;
  font-weight: 800;
  color: var(--color-midnight);
  letter-spacing: -0.02em;
  margin-bottom: 0.85rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-slate);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
}

.feature-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--border-strong);
}

.feature-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.feature-icon-emerald {
  background-color: var(--accent-emerald-bg);
  color: var(--accent-emerald-dark);
}

.feature-icon-saffron {
  background-color: var(--accent-saffron-bg);
  color: var(--accent-saffron-dark);
}

.feature-icon-navy {
  background-color: var(--accent-blue-bg);
  color: var(--accent-navy);
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-midnight);
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--color-slate);
  line-height: 1.6;
}

/* ==========================================================================
   DOCUMENT & POLICY PAGE LAYOUT
   ========================================================================== */
.policy-container {
  max-width: 1160px;
  margin: 2.5rem auto 4rem;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2.5rem;
  align-items: start;
}

.policy-sidebar {
  position: sticky;
  top: 5rem;
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.sidebar-title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-slate-light);
  margin-bottom: 1rem;
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.toc-link {
  display: block;
  font-size: 0.88rem;
  color: var(--color-slate);
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  border-left: 2px solid transparent;
}

.toc-link:hover, .toc-link.active {
  color: var(--color-midnight);
  background-color: var(--surface-card-subtle);
  border-left-color: var(--accent-emerald);
  font-weight: 600;
}

.policy-content {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-sm);
}

.doc-header {
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1.75rem;
  margin-bottom: 2rem;
}

.doc-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.85rem;
  flex-wrap: wrap;
}

.doc-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  background-color: var(--accent-emerald-bg);
  color: var(--accent-emerald-dark);
  border: 1px solid var(--accent-emerald-border);
}

.doc-date {
  font-size: 0.85rem;
  color: var(--color-slate);
  font-weight: 500;
}

.doc-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-midnight);
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

.doc-lead {
  font-size: 1.05rem;
  color: var(--color-slate);
  line-height: 1.65;
}

.policy-section {
  margin-bottom: 2.5rem;
  scroll-margin-top: 6rem;
}

.policy-section h2 {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--color-midnight);
  margin-bottom: 0.9rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--surface-card-subtle);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.policy-section h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-slate-dark);
  margin: 1.25rem 0 0.5rem;
}

.policy-section p {
  color: var(--color-slate-dark);
  margin-bottom: 1rem;
  font-size: 0.97rem;
  line-height: 1.7;
}

.policy-section ul, .policy-section ol {
  margin-left: 1.5rem;
  margin-bottom: 1.25rem;
  color: var(--color-slate-dark);
  font-size: 0.97rem;
  line-height: 1.7;
}

.policy-section li {
  margin-bottom: 0.4rem;
}

.highlight-box {
  background: var(--surface-card-subtle);
  border-left: 4px solid var(--accent-emerald);
  padding: 1.25rem 1.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.5rem 0;
}

.highlight-box.warning {
  border-left-color: var(--accent-saffron);
  background: var(--accent-saffron-bg);
}

.highlight-box.danger {
  border-left-color: var(--color-danger);
  background: var(--color-danger-bg);
}

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

.highlight-box strong {
  color: var(--color-midnight);
}

.policy-table-wrapper {
  overflow-x: auto;
  margin: 1.5rem 0;
}

.policy-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  text-align: left;
}

.policy-table th {
  background-color: var(--surface-card-subtle);
  padding: 0.85rem 1rem;
  font-weight: 700;
  color: var(--color-midnight);
  border-bottom: 2px solid var(--border-subtle);
}

.policy-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--color-slate-dark);
  vertical-align: top;
}

/* ==========================================================================
   ACCOUNT DELETION FORM
   ========================================================================== */
.deletion-card {
  background: #fff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  margin: 2rem 0;
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 1.35rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-midnight);
  margin-bottom: 0.4rem;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--color-midnight);
  background-color: #fff;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--color-midnight);
  box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.1);
}

.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--color-slate-dark);
  cursor: pointer;
}

.form-checkbox-label input {
  margin-top: 0.25rem;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  margin-top: auto;
  background-color: var(--color-midnight);
  color: #fff;
  border-top: 1px solid var(--color-midnight-light);
  padding: 4rem 1.5rem 2rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand h4 {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.footer-brand p {
  color: var(--color-slate-light);
  font-size: 0.92rem;
  line-height: 1.6;
  max-width: 320px;
  margin-bottom: 1.25rem;
}

.footer-col h5 {
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #fff;
  margin-bottom: 1.2rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-col a {
  color: var(--color-slate-light);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--color-slate-light);
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 900px) {
  .policy-container {
    grid-template-columns: 1fr;
  }
  
  .policy-sidebar {
    position: static;
    margin-bottom: 1rem;
  }
  
  .footer-container {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 680px) {
  .hero-title {
    font-size: 2.15rem;
  }
  
  .nav-links {
    display: none;
  }
  
  .mobile-toggle {
    display: block;
  }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border-subtle);
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
  }

  .policy-content {
    padding: 1.75rem;
  }

  .footer-container {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}