/* fx-faqs-pro: Professional Forex FAQ Theme
   Modern, responsive, premium design */

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

:root {
  /* Color Palette - Professional Finance */
  --color-primary: #0066cc;
  --color-primary-dark: #0052a3;
  --color-secondary: #00b4d8;
  --color-accent: #ffd60a;
  --color-success: #06a77d;
  --color-warning: #ff6b6b;

  --color-bg: #ffffff;
  --color-bg-dark: #0a0e27;
  --color-surface: #f8f9fa;
  --color-surface-dark: #1a1f3a;
  --color-border: #e0e6f1;
  --color-border-dark: #2a3050;

  --color-text: #1a1a2e;
  --color-text-light: #6b7280;
  --color-text-lighter: #9ca3af;
  --color-text-dark: #ffffff;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", sans-serif;
  --font-serif: "Georgia", "Times New Roman", serif;
  --font-mono: "Monaco", "Menlo", "Ubuntu Mono", monospace;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.2);

  /* Transitions */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: var(--color-bg-dark);
    --color-surface: var(--color-surface-dark);
    --color-border: var(--color-border-dark);
    --color-text: var(--color-text-dark);
  }
}

html {
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: 3rem;
  letter-spacing: -0.02em;
}

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

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-light);
}

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

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

/* Layout */
.viewport {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-content {
  flex: 1;
}

.outer {
  padding: 0 var(--spacing-lg);
}

.inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* Header */
.site-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: white;
  padding: var(--spacing-xl) 0;
  box-shadow: var(--shadow-lg);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-logo {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.site-logo img {
  height: 40px;
  width: auto;
}

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

.site-nav a {
  color: white;
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 6px;
  transition: var(--transition);
}

.site-nav a:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

/* Hero Section */
.site-header-cover {
  position: relative;
  overflow: hidden;
}

.site-description {
  font-size: 1.2rem;
  opacity: 0.95;
  margin-top: var(--spacing-md);
}

/* Posts Grid */
.posts-feed {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--spacing-lg);
  padding: var(--spacing-2xl) 0;
}

/* Post Card */
.post-card {
  background: var(--color-surface);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.post-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.post-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
}

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

.post-card-tag {
  display: inline-block;
  background: var(--color-primary);
  color: white;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  width: fit-content;
}

.post-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  line-height: 1.4;
}

.post-card-excerpt {
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
  flex: 1;
}

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

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

.post-card-author-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
}

/* Single Post */
.post-template {
  padding: var(--spacing-2xl) 0;
}

.post-header {
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
  text-align: center;
}

.post-header-title {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-lg);
  line-height: 1.2;
}

.post-header-meta {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  color: var(--color-text-light);
  font-size: 0.95rem;
  flex-wrap: wrap;
}

.post-header-meta-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.post-content {
  max-width: 800px;
  margin: 0 auto;
}

.post-content > * + * {
  margin-top: var(--spacing-lg);
}

.post-content h2 {
  margin-top: var(--spacing-2xl);
}

.post-content p {
  font-size: 1.05rem;
  line-height: 1.8;
}

.post-content code {
  background: var(--color-surface);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.post-content pre {
  background: var(--color-surface);
  padding: var(--spacing-lg);
  border-radius: 8px;
  overflow-x: auto;
  margin: var(--spacing-lg) 0;
}

.post-content blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  font-style: italic;
  color: var(--color-text-light);
}

/* Subscribe Box */
.subscribe-box {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: white;
  padding: var(--spacing-2xl);
  border-radius: 12px;
  margin: var(--spacing-2xl) 0;
  text-align: center;
}

.subscribe-box-title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.subscribe-box-description {
  margin-bottom: var(--spacing-lg);
  opacity: 0.9;
}

.subscribe-form {
  display: flex;
  gap: var(--spacing-sm);
  max-width: 400px;
  margin: 0 auto;
}

.subscribe-form input {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: 6px;
  font-size: 1rem;
}

.subscribe-form button {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--color-accent);
  color: var(--color-text);
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

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

/* Footer */
.site-footer {
  background: var(--color-surface);
  color: var(--color-text-light);
  padding: var(--spacing-2xl) 0;
  margin-top: var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
}

.site-footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
  color: var(--color-text);
  margin-bottom: var(--spacing-md);
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: var(--spacing-sm);
}

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

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

.site-footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin: var(--spacing-2xl) 0;
}

.pagination a,
.pagination .page-number {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  transition: var(--transition);
}

.pagination a:hover,
.pagination .active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* Responsive */
@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .site-header {
    padding: var(--spacing-lg) 0;
  }

  .site-header-inner {
    flex-direction: column;
    gap: var(--spacing-md);
  }

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

  .outer {
    padding: 0 var(--spacing-md);
  }

  .posts-feed {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }

  .post-header-title {
    font-size: 1.75rem;
  }

  .subscribe-form {
    flex-direction: column;
  }

  .subscribe-form input,
  .subscribe-form button {
    width: 100%;
  }
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
  .post-card {
    border: 1px solid var(--color-border);
  }

  .post-content code {
    background: rgba(0, 102, 204, 0.1);
  }

  .post-content pre {
    background: rgba(0, 0, 0, 0.3);
  }
}

/* Utilities */
.text-center {
  text-align: center;
}

.mt-lg {
  margin-top: var(--spacing-lg);
}

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

.opacity-75 {
  opacity: 0.75;
}