/* WordPressVN — Custom Design System & Styles */


:root {
  /* Color Palette */
  --bg-primary: #fcfbfa;       /* Warm Alabaster */
  --bg-secondary: #f6f4f0;     /* Soft Sand */
  --bg-tertiary: #eeebe5;      /* Light Sandstone */
  --text-primary: #1b1b19;     /* Deep Obsidian */
  --text-secondary: #5e5d56;   /* Muted Slate Gray */
  --accent: #1e5044;           /* Editorial Forest Green */
  --accent-light: #2b7060;     /* Interactive Teal */
  --contrast: #c35a35;         /* Warm Terracotta */
  --border-color: #e2dfd9;     /* Structured Grid Border */
  --border-focus: #1b1b19;     /* Focus Border */
  --selection-bg: #e5efe9;     /* Soft Green Highlight */

  /* Typography */
  --font-serif: Georgia, "Times New Roman", serif;
  --font-sans: "Segoe UI", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  /* Spacing & Layout */
  --max-width: 1200px;
  --max-width-article: 720px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --transition-smooth: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background-color: var(--selection-bg);
}

/* Typography Scale */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  color: var(--text-primary);
  line-height: 1.25;
  font-weight: 600;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.6rem, 3.5vw, 2rem);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  margin-top: 1.8rem;
  margin-bottom: 0.8rem;
}

p {
  margin-bottom: 1.25rem;
}

p:empty {
  display: none;
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  transition: var(--transition-smooth);
}

a:hover {
  color: var(--accent-light);
  text-decoration-color: var(--contrast);
}

/* Focus States (A11y) */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--contrast);
  outline-offset: 4px;
}

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

/* Structural Header & Grid Lines */
.site-header {
  border-bottom: 1px solid var(--border-color);
  padding: var(--space-md) 0;
  background-color: var(--bg-primary);
}

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

.logo-group {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.logo-text {
  font-family: var(--font-sans);
  font-size: 1.3rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  text-decoration: none;
}

.logo-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background-color: var(--bg-secondary);
  color: var(--accent);
  border: 1px solid var(--border-color);
  padding: 2px 6px;
  border-radius: 3px;
  font-weight: 500;
}

.site-nav ul {
  display: flex;
  list-style: none;
  gap: var(--space-md);
}

.site-nav a {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--text-primary);
  border-bottom: 2px solid var(--contrast);
  padding-bottom: 4px;
}

/* Site Footer */
.site-footer {
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  padding: var(--space-xl) 0 var(--space-lg) 0;
  margin-top: var(--space-xl);
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.footer-info-brand {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.footer-tagline {
  font-size: 0.9rem;
  max-width: 320px;
}

.footer-column h4 {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

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

.footer-column li {
  margin-bottom: 0.5rem;
}

.footer-column a {
  color: var(--text-secondary);
  text-decoration: none;
}

.footer-column a:hover {
  color: var(--accent-light);
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

/* HOMEPAGE - BOLD MAGAZINE GRID */
.home-hero-layout {
  display: grid;
  grid-template-columns: 5fr 7fr;
  border-bottom: 1px solid var(--border-color);
}

.home-intro-col {
  padding: var(--space-lg) var(--space-md) var(--space-lg) 0;
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.home-manifesto {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.home-manifesto .lead-word {
  color: var(--text-primary);
  font-weight: 600;
}

/* Site Blueprint Graphic Pattern (CSS layout visualization) */
.site-blueprint-graphic {
  margin-top: var(--space-lg);
  border: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  border-radius: 4px;
  opacity: 0.85;
}

.blueprint-line {
  height: 8px;
  background-color: var(--border-color);
  border-radius: 2px;
}

.blueprint-line.w-full { width: 100%; }
.blueprint-line.w-3-4 { width: 75%; }
.blueprint-line.w-1-2 { width: 50%; }

.blueprint-row {
  display: flex;
  gap: var(--space-xs);
}

.blueprint-box {
  flex: 1;
  height: 40px;
  border: 1px dashed var(--accent-light);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-light);
}

/* Homepage Featured Column */
.home-featured-col {
  padding: var(--space-lg) 0 var(--space-lg) var(--space-md);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.featured-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--contrast);
  letter-spacing: 0.15em;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.featured-label::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: var(--contrast);
  border-radius: 50%;
}

.featured-title {
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.featured-title a {
  color: var(--text-primary);
  text-decoration: none;
}

.featured-title a:hover {
  color: var(--accent);
}

.featured-excerpt {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  max-width: 580px;
}

.featured-meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.read-more-btn {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  text-decoration: none;
  border: 1px solid var(--accent);
  padding: var(--space-sm) var(--space-md);
  border-radius: 0;
  align-self: flex-start;
  transition: var(--transition-smooth);
}

.read-more-btn:hover {
  background-color: var(--accent);
  color: var(--bg-primary);
  border-color: var(--accent);
}

/* Secondary Article Section on Home */
.recent-articles-section {
  padding: var(--space-xl) 0;
}

.section-header-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 2px solid var(--text-primary);
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.section-label {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.section-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-secondary);
  text-decoration: none;
}

.section-link:hover {
  color: var(--accent);
}

/* Article Cards Grid */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.article-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-color);
}

.card-meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
  display: flex;
  gap: var(--space-sm);
}

.card-title {
  font-size: 1.5rem;
  line-height: 1.3;
  margin-bottom: var(--space-sm);
}

.card-title a {
  color: var(--text-primary);
  text-decoration: none;
}

.card-title a:hover {
  color: var(--accent-light);
}

.card-excerpt {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.card-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  font-weight: 500;
  text-decoration: none;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.card-link:hover {
  color: var(--contrast);
}

/* SINGLE ARTICLE & PAGE LAYOUTS */
.article-header {
  padding: var(--space-xl) 0 var(--space-md) 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--space-xl);
}

.article-title-layout {
  max-width: var(--max-width-article);
  margin: 0 auto;
}

.article-category {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--contrast);
  margin-bottom: var(--space-sm);
  display: block;
}

.article-main-title {
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  line-height: 1.15;
  margin-bottom: var(--space-md);
}

.article-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-color);
  padding-top: var(--space-sm);
}

.article-meta-left {
  display: flex;
  gap: var(--space-md);
}

.article-content {
  max-width: var(--max-width-article);
  margin: 0 auto;
}

/* Post Typography Styling */
.article-content p {
  margin-bottom: 1.5rem;
  line-height: 1.75;
}

.article-content hr {
  border: 0;
  height: 1px;
  background-color: var(--border-color);
  margin: var(--space-lg) 0;
}

.article-content blockquote {
  border-left: 4px solid var(--contrast);
  padding-left: var(--space-md);
  margin: var(--space-md) 0;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--text-secondary);
}

.article-content ul, 
.article-content ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.article-content li {
  margin-bottom: 0.5rem;
  line-height: 1.6;
}

/* Contact Form Facade Layout */
.contact-layout {
  max-width: var(--max-width-article);
  margin: 0 auto;
  padding-top: var(--space-md);
}

.contact-form {
  margin-top: var(--space-lg);
  border: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  border-radius: 4px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.full-width {
  grid-column: span 2;
}

.form-group label {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.form-input {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  padding: 12px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 0;
  color: var(--text-primary);
  transition: var(--transition-smooth);
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
  background-color: #ffffff;
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-note {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: var(--space-xs);
  display: flex;
  align-items: center;
  gap: 6px;
}

.form-submit-btn {
  cursor: pointer;
  background-color: var(--accent);
  color: var(--bg-primary);
  border: 0;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 14px 28px;
  align-self: flex-start;
  transition: var(--transition-smooth);
}

.form-submit-btn:hover {
  background-color: var(--accent-light);
}

/* Success notification style */
.form-notification {
  display: none;
  background-color: var(--selection-bg);
  border: 1px solid var(--accent-light);
  color: var(--accent);
  padding: var(--space-sm);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 3px;
  margin-bottom: var(--space-md);
}

/* RESPONSIVE BREAKPOINTS */
@media (max-width: 900px) {
  .home-hero-layout {
    grid-template-columns: 1fr;
  }
  
  .home-intro-col {
    border-right: 0;
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-md) 0 var(--space-lg) 0;
  }
  
  .home-featured-col {
    padding: var(--space-lg) 0 0 0;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }
  
  .footer-grid .footer-column:first-child {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .articles-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .form-group.full-width {
    grid-column: span 1;
  }
  
  .site-header .container {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
  
  .site-nav ul {
    gap: var(--space-sm);
    justify-content: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
}