/* Nethír - Terminal-Logika Design System */
:root {
  --color-primary: #101418;
  --color-secondary: #5a6570;
  --color-accent: #2ec4a6;
  --color-surface: #eceff1;
  --color-ink: #0b0e11;
  --color-border: rgba(90, 101, 112, 0.35);
  --color-border-bright: #2ec4a6;
  --color-panel-bg: #161c22;
  --color-text-main: #d0d7de;
  --color-text-muted: #8b949e;
  
  --font-display: 'Martian Mono', monospace;
  --font-body: 'Red Hat Text', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-radius: 0 !important; /* Strict no-rounded-corners directive */
}

html {
  font-size: 16px;
  background-color: var(--color-primary);
  color: var(--color-text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

/* Universal List Reset & Formatting - Mandatory rule for both prose and intro containers */
ul, ol {
  padding-left: 1.75rem;
  margin-top: 1rem;
  margin-bottom: 1.25rem;
}

li {
  margin-bottom: 0.5rem;
}

.nethir-prose ul, .nethir-prose ol {
  padding-left: 1.75rem;
  margin-top: 1rem;
  margin-bottom: 1.25rem;
}

.nethir-prose li {
  margin-bottom: 0.5rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  color: #ffffff;
  line-height: 1.25;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.15s ease, border-color 0.15s ease;
}

a:hover {
  color: #ffffff;
}

/* Container */
.nethir-container {
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Chrome Header: Stacked-Centered (No horizontal bar, brand block top, menu below) */
.nethir-site-header {
  padding: 3rem 1.25rem 2rem 1.25rem;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-primary);
}

.nethir-site-branding {
  margin-bottom: 1.75rem;
}

.nethir-brand-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  color: #ffffff;
  display: inline-block;
  text-transform: uppercase;
}

.nethir-brand-title::after {
  content: " //";
  color: var(--color-accent);
}

.nethir-brand-tagline {
  font-family: var(--font-display);
  font-size: 0.875rem;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.5rem;
}

/* Centered single row of links separated by rule lines */
.nethir-site-nav {
  display: flex;
  justify-content: center;
}

.nethir-nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.nethir-nav-item {
  margin: 0;
  padding: 0;
  border-right: 1px solid var(--color-border);
}

.nethir-nav-item:first-child {
  border-left: 1px solid var(--color-border);
}

.nethir-nav-link {
  display: block;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.6rem 1.25rem;
  color: var(--color-text-main);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nethir-nav-link:hover, .nethir-nav-link.active {
  color: var(--color-accent);
  background-color: rgba(46, 196, 166, 0.08);
}

/* Main Content Wrapper */
.nethir-main {
  flex: 1;
  padding-top: 3rem;
  padding-bottom: 4rem;
}

/* Homepage Hero: Overlap System */
.nethir-hero-wrapper {
  position: relative;
  margin-bottom: 3.5rem;
  padding-top: 1.5rem;
}

.nethir-hero-overlap-title {
  font-size: clamp(1.75rem, 4.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-accent);
  background-color: var(--color-primary);
  border: 1px solid var(--color-accent);
  padding: 1rem 1.5rem;
  display: inline-block;
  position: relative;
  z-index: 2;
  margin-left: 1rem;
  max-width: calc(100% - 2rem);
  word-break: break-word;
}

.nethir-hero-tint-panel {
  background-color: var(--color-surface);
  color: var(--color-ink);
  border: 1px solid var(--color-secondary);
  padding: 3rem 2rem 2rem 2rem;
  margin-top: -1.75rem;
  position: relative;
  z-index: 1;
  font-size: 1.05rem;
  line-height: 1.65;
}

.nethir-hero-tint-panel h4 {
  font-family: var(--font-display);
  color: var(--color-ink);
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  font-size: 1.1rem;
  border-bottom: 1px solid rgba(11, 14, 17, 0.2);
  padding-bottom: 0.25rem;
}

.nethir-hero-tint-panel p {
  margin-bottom: 1rem;
}

/* Section Pitch Triptych Grid */
.nethir-triptych-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 4rem;
}

.nethir-triptych-card {
  background-color: var(--color-panel-bg);
  border: 1px solid var(--color-border);
  padding: 1.5rem;
}

.nethir-triptych-heading {
  font-size: 1rem;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.nethir-triptych-body {
  font-size: 0.9rem;
  color: var(--color-text-main);
  line-height: 1.5;
}

/* Article Listing: Lead Plus Rest System */
.nethir-stream-container {
  margin-bottom: 3rem;
}

.nethir-section-heading {
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
  color: #ffffff;
}

/* Lead Article (Large treatment) */
.nethir-lead-box {
  background-color: var(--color-panel-bg);
  border: 1px solid var(--color-accent);
  padding: 2rem;
  margin-bottom: 1.5rem;
}

.nethir-lead-header-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.nethir-pill-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  background-color: var(--color-accent);
  color: var(--color-primary);
  padding: 0.2rem 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
}

.nethir-lead-pubdate {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--color-secondary);
}

.nethir-lead-heading {
  font-size: clamp(1.4rem, 3.5vw, 2rem);
  margin-bottom: 1rem;
  line-height: 1.25;
}

.nethir-lead-heading a {
  color: #ffffff;
}

.nethir-lead-heading a:hover {
  color: var(--color-accent);
}

.nethir-lead-excerpt {
  font-size: 1rem;
  color: var(--color-text-main);
  line-height: 1.6;
}

/* Rest Articles (Compact titles-only stream) */
.nethir-compact-stream {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
}

.nethir-compact-item {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-primary);
}

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

.nethir-compact-code {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--color-accent);
  font-weight: 600;
  flex-shrink: 0;
}

.nethir-compact-date {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--color-secondary);
  flex-shrink: 0;
}

.nethir-compact-heading {
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 1.4;
}

.nethir-compact-heading a {
  color: var(--color-text-main);
}

.nethir-compact-heading a:hover {
  color: var(--color-accent);
}

/* Single Article & Page Layout */
.nethir-single-article {
  max-width: 820px;
  margin: 0 auto;
}

.nethir-article-header {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 2rem;
  margin-bottom: 2.5rem;
}

.nethir-article-meta {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--color-secondary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nethir-meta-section {
  color: var(--color-accent);
  text-transform: uppercase;
}

.nethir-single-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.25rem;
}

.nethir-article-lead {
  font-size: 1.15rem;
  color: var(--color-text-main);
  line-height: 1.6;
  border-left: 3px solid var(--color-accent);
  padding-left: 1.25rem;
}

/* Prose formatting */
.nethir-prose {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-text-main);
}

.nethir-prose h2 {
  font-size: 1.4rem;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.4rem;
  color: var(--color-accent);
}

.nethir-prose h3 {
  font-size: 1.15rem;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: #ffffff;
}

.nethir-prose p {
  margin-bottom: 1.25rem;
}

.nethir-prose blockquote {
  border-left: 2px solid var(--color-accent);
  padding: 0.75rem 1.25rem;
  margin: 1.5rem 0;
  background-color: var(--color-panel-bg);
  font-style: italic;
}

.nethir-prose code {
  font-family: var(--font-display);
  font-size: 0.9em;
  background-color: var(--color-panel-bg);
  color: var(--color-accent);
  padding: 0.15em 0.4em;
  border: 1px solid var(--color-border);
}

.nethir-prose pre {
  background-color: var(--color-panel-bg);
  border: 1px solid var(--color-border);
  padding: 1rem;
  overflow-x: auto;
  margin-bottom: 1.5rem;
}

.nethir-prose pre code {
  background: none;
  border: none;
  padding: 0;
}

.nethir-article-footer {
  margin-top: 3.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.nethir-back-link {
  font-family: var(--font-display);
  font-size: 0.9rem;
  text-transform: uppercase;
}

/* Chrome Footer */
.nethir-site-footer {
  border-top: 1px solid var(--color-border);
  padding: 2.5rem 1.25rem;
  background-color: var(--color-primary);
  margin-top: auto;
}

.nethir-footer-inner {
  max-width: 980px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
}

.nethir-footer-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: #ffffff;
  margin-right: 0.5rem;
}

.nethir-footer-desc {
  font-size: 0.875rem;
  color: var(--color-secondary);
}

.nethir-footer-nav {
  font-family: var(--font-display);
  font-size: 0.85rem;
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.nethir-footer-sep {
  color: var(--color-secondary);
}

/* Page Header */
.nethir-page-header {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1.5rem;
  margin-bottom: 2.5rem;
}

.nethir-page-title {
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
}

.nethir-page-lead {
  font-size: 1.1rem;
  color: var(--color-secondary);
}

/* Responsive Adjustments for Mobile Viewports (including 375px) */
@media (max-width: 768px) {
  .nethir-triptych-grid {
    grid-template-columns: 1fr;
  }

  .nethir-compact-item {
    flex-direction: column;
    gap: 0.25rem;
  }

  .nethir-hero-overlap-title {
    margin-left: 0.5rem;
    max-width: calc(100% - 1rem);
  }

  .nethir-hero-tint-panel {
    padding: 2.5rem 1.25rem 1.5rem 1.25rem;
  }

  .nethir-lead-box {
    padding: 1.25rem;
  }

  .nethir-nav-list {
    flex-direction: column;
    width: 100%;
  }

  .nethir-nav-item {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    width: 100%;
  }

  .nethir-nav-item:first-child {
    border-left: none;
  }

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