/* ============================================
   Digital Estate Planning - CSS Variables
   Change these values to retheme the entire site
   ============================================ */

:root {
  /* Primary Colors */
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #dbeafe;

  /* Secondary / Accent */
  --color-secondary: #059669;
  --color-secondary-dark: #047857;
  --color-secondary-light: #d1fae5;

  /* Warning / Alert */
  --color-warning: #d97706;
  --color-warning-light: #fef3c7;
  --color-danger: #dc2626;
  --color-danger-light: #fee2e2;

  /* Neutrals */
  --color-text: #1f2937;
  --color-text-light: #6b7280;
  --color-text-muted: #9ca3af;
  --color-bg: #ffffff;
  --color-bg-alt: #f9fafb;
  --color-bg-dark: #111827;
  --color-border: #e5e7eb;
  --color-border-dark: #d1d5db;

  /* Typography */
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: var(--font-body);
  --font-size-base: 1.125rem;      /* 18px - senior-friendly */
  --font-size-sm: 1rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --line-height: 1.7;
  --line-height-heading: 1.3;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* Layout */
  --max-width: 800px;
  --max-width-wide: 1100px;
  --border-radius: 8px;
  --border-radius-lg: 12px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
}

/* ============================================
   Base Styles
   ============================================ */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--color-text);
  background-color: var(--color-bg);
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: var(--line-height-heading);
  margin-top: 0;
  color: var(--color-text);
}

h1 { font-size: var(--font-size-3xl); margin-bottom: var(--space-md); }
h2 { font-size: var(--font-size-2xl); margin-bottom: var(--space-sm); margin-top: var(--space-xl); }
h3 { font-size: var(--font-size-xl); margin-bottom: var(--space-sm); margin-top: var(--space-lg); }
h4 { font-size: var(--font-size-lg); margin-bottom: var(--space-xs); margin-top: var(--space-md); }

p {
  margin-bottom: var(--space-md);
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover {
  color: var(--color-primary-dark);
}

/* ============================================
   Layout Containers
   ============================================ */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-wide {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ============================================
   Header & Navigation
   ============================================ */

.site-header {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-sm) 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.site-logo {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
}

.site-logo:hover {
  color: var(--color-primary);
}

.site-nav {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--color-text-light);
  text-decoration: none;
  font-size: var(--font-size-sm);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius);
  transition: all 0.2s;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--color-primary);
  background-color: var(--color-primary-light);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
  background-color: var(--color-bg-alt);
  padding: var(--space-2xl) 0;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: var(--space-md);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto var(--space-lg);
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--border-radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: white;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary-light);
}

.btn-group {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  justify-content: center;
}

/* ============================================
   Cards
   ============================================ */

.card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-sm);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

/* ============================================
   Alerts / Callouts
   ============================================ */

.callout {
  padding: var(--space-md);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--color-primary);
  background-color: var(--color-primary-light);
  margin: var(--space-md) 0;
}

.callout-warning {
  border-left-color: var(--color-warning);
  background-color: var(--color-warning-light);
}

.callout-danger {
  border-left-color: var(--color-danger);
  background-color: var(--color-danger-light);
}

.callout-success {
  border-left-color: var(--color-secondary);
  background-color: var(--color-secondary-light);
}

/* ============================================
   Lists
   ============================================ */

ul, ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-lg);
}

li {
  margin-bottom: var(--space-xs);
}

.checklist {
  list-style: none;
  padding-left: 0;
}

.checklist li {
  padding-left: 2rem;
  position: relative;
}

.checklist li::before {
  content: "☐";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

/* ============================================
   Tables
   ============================================ */

table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-md) 0;
  font-size: var(--font-size-sm);
}

th, td {
  padding: var(--space-sm);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

th {
  background-color: var(--color-bg-alt);
  font-weight: 600;
  color: var(--color-text);
}

tr:hover {
  background-color: var(--color-bg-alt);
}

/* ============================================
   Sections
   ============================================ */

section {
  padding: var(--space-xl) 0;
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-lg);
}

/* ============================================
   Footer
   ============================================ */

.site-footer {
  background-color: var(--color-bg-dark);
  color: var(--color-text-muted);
  padding: var(--space-xl) 0 var(--space-lg);
  margin-top: var(--space-xl);
}

.site-footer a {
  color: var(--color-text-muted);
}

.site-footer a:hover {
  color: white;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-bottom {
  border-top: 1px solid #374151;
  padding-top: var(--space-md);
  text-align: center;
  font-size: var(--font-size-sm);
}

/* ============================================
   Utility Classes
   ============================================ */

.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.text-light { color: var(--color-text-light); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-lg { margin-top: var(--space-lg); }
.mb-lg { margin-bottom: var(--space-lg); }

/* ============================================
   Print Styles
   ============================================ */

@media print {
  .site-header,
  .site-footer,
  .btn {
    display: none;
  }

  body {
    font-size: 12pt;
    line-height: 1.5;
  }

  .card {
    border: 1px solid #ccc;
    break-inside: avoid;
  }
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 640px) {
  :root {
    --font-size-base: 1rem;
    --space-xl: 2.5rem;
    --space-2xl: 4rem;
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
  }

  .btn-group {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    text-align: center;
  }
}