/* FJP Investments - Premium Financial Blog Design System */

:root {
  /* Color Palette */
  --primary: #0066cc;
  --primary-dark: #0052a3;
  --secondary: #34c759;
  --accent: #ff3b30;
  --bg-primary: #ffffff;
  --bg-secondary: #f5f5f7;
  --bg-tertiary: #efefef;
  --text-primary: #1d1d1f;
  --text-secondary: #86868b;
  --text-tertiary: #a1a1a6;
  --border: #e5e5ea;
  --success: #34c759;
  --warning: #ff9500;
  --danger: #ff3b30;
  
  /* Typography */
  --font-display: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', sans-serif;
  --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
  
  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 28px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.12);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.5rem;
  font-weight: 600;
}

h4 {
  font-size: 1.25rem;
  font-weight: 600;
}

h5 {
  font-size: 1rem;
  font-weight: 600;
}

h6 {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

p {
  font-size: 1rem;
  line-height: 1.65;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

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

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

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.container-sm {
  max-width: 800px;
}

.container-lg {
  max-width: 1400px;
}

/* Navigation */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all var(--transition-fast);
}

header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
}

nav {
  display: flex;
  gap: var(--spacing-xl);
  align-items: center;
}

nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  transition: color var(--transition-fast);
}

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

nav a.active {
  color: var(--primary);
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition-fast);
}

nav a:hover::after,
nav a.active::after {
  width: 100%;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  text-decoration: none;
  gap: var(--spacing-xs);
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--text-secondary);
}

.btn-ghost {
  color: var(--primary);
  padding: var(--spacing-sm) 0;
}

.btn-ghost:hover {
  color: var(--primary-dark);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1rem;
}

/* Hero Section */
.hero {
  padding: var(--spacing-2xl) 0;
  background: linear-gradient(135deg, #f5f5f7 0%, #ffffff 100%);
  border-bottom: 1px solid var(--border);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.hero-text h1 {
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.hero-text p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

.hero-ctas {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.hero-image {
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 4rem;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

/* Featured Articles Section */
.featured-section {
  padding: var(--spacing-2xl) 0;
}

.section-header {
  margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
  margin-bottom: var(--spacing-sm);
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

/* Article Card */
.article-card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  border-color: var(--text-secondary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.article-image {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: rgba(255, 255, 255, 0.3);
}

.article-content {
  padding: var(--spacing-lg);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  font-size: 0.85rem;
  color: var(--text-tertiary);
}

.article-category {
  display: inline-block;
  background: var(--bg-secondary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-weight: 600;
  color: var(--primary);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.article-card h3 {
  margin-bottom: var(--spacing-sm);
  flex-grow: 1;
}

.article-card p {
  margin-bottom: var(--spacing-md);
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.article-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
}

.article-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.article-avatar {
  width: 28px;
  height: 28px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 0.75rem;
}

.read-time {
  color: var(--text-tertiary);
}

/* Ad Placements - Optimized for Google AdSense */
.ad-container {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin: var(--spacing-2xl) 0;
  min-height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  font-size: 0.85rem;
}

.ad-horizontal {
  min-height: 90px;
}

.ad-vertical {
  min-height: 600px;
}

.ad-square {
  min-height: 300px;
  width: 300px;
}

.ad-label {
  position: absolute;
  top: 8px;
  left: 12px;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* Blog Listing */
.blog-container {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--spacing-2xl);
  padding: var(--spacing-2xl) 0;
}

.blog-articles {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.blog-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.blog-card:hover {
  border-color: var(--text-secondary);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.blog-card-image {
  aspect-ratio: 1;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.blog-card-content h3 {
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
}

.blog-card-content p {
  margin-bottom: var(--spacing-md);
}

.blog-sidebar {
  position: sticky;
  top: 120px;
  height: fit-content;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

/* Sidebar Widget */
.widget {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.widget h3 {
  margin-bottom: var(--spacing-md);
  font-size: 1rem;
}

.widget-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.widget-item {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}

.widget-item:last-child {
  border-bottom: none;
}

.widget-item a {
  display: block;
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-fast);
}

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

/* Tools & Calculators */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  padding: var(--spacing-2xl) 0;
}

.tool-card {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  transition: all var(--transition-base);
  cursor: pointer;
}

.tool-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-8px);
}

.tool-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.tool-card h3 {
  margin-bottom: var(--spacing-sm);
}

.tool-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

/* Calculator Form */
.calculator {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  font-size: 0.95rem;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: var(--font-body);
  transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.form-range {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: var(--border);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.form-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.form-range::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
}

/* Results Display */
.result-box {
  background: var(--bg-primary);
  border: 2px solid var(--primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.result-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-xs);
}

.result-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  font-family: var(--font-mono);
}

/* Market Data Section */
.market-data {
  padding: var(--spacing-2xl) 0;
}

.market-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.market-table thead {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.market-table th {
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.market-table td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}

.market-table tbody tr:hover {
  background: var(--bg-secondary);
}

.price-up {
  color: var(--success);
  font-weight: 600;
}

.price-down {
  color: var(--danger);
  font-weight: 600;
}

.price-neutral {
  color: var(--text-secondary);
}

/* Newsletter Signup */
.newsletter {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  text-align: center;
  margin: var(--spacing-2xl) 0;
}

.newsletter h2 {
  color: white;
  margin-bottom: var(--spacing-md);
}

.newsletter p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--spacing-lg);
}

.newsletter-form {
  display: flex;
  gap: var(--spacing-sm);
  max-width: 500px;
  margin: 0 auto;
}

.newsletter-form input {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
}

.newsletter-form button {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: white;
  color: var(--primary);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.newsletter-form button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Footer */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: var(--spacing-2xl) 0;
  margin-top: var(--spacing-2xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
  margin-bottom: var(--spacing-md);
  font-size: 0.95rem;
}

.footer-section ul {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  list-style: none;
}

.footer-section a {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-section a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  color: var(--text-tertiary);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

/* Responsive Design */
@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }
  
  .container {
    padding: 0 var(--spacing-md);
  }
  
  nav {
    gap: var(--spacing-lg);
    font-size: 0.9rem;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
  }
  
  .hero-image {
    display: none;
  }
  
  .blog-container {
    grid-template-columns: 1fr;
  }
  
  .blog-sidebar {
    position: static;
  }
  
  .blog-card {
    grid-template-columns: 150px 1fr;
  }
  
  .featured-grid {
    grid-template-columns: 1fr;
  }
  
  .newsletter-form {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }
  
  nav {
    gap: var(--spacing-md);
    font-size: 0.85rem;
  }
  
  .hero-ctas {
    flex-direction: column;
  }
  
  .blog-card {
    grid-template-columns: 1fr;
  }
  
  .blog-card-image {
    display: none;
  }
  
  .ad-vertical,
  .ad-square {
    width: 100%;
    height: auto;
  }
  
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s var(--transition-slow) forwards;
}

.slide-in-left {
  animation: slideInLeft 0.6s var(--transition-slow) forwards;
}

.slide-in-right {
  animation: slideInRight 0.6s var(--transition-slow) forwards;
}

/* Staggered animations */
@for $i from 1 through 6 {
  .fade-in-delay-#{$i} {
    animation: fadeIn 0.6s var(--transition-slow) forwards;
    animation-delay: calc(#{$i} * 100ms);
  }
}

/* Print Styles */
@media print {
  header, footer, .ad-container, .newsletter {
    display: none;
  }
}