/* ==========================================================================
   SHAOLIN MICROSYSTEMS - ENTERPRISE STYLESHEET
   Aesthetics: Deep Technical Slate, Industrial Orange & Amber Accents, Terminal Styling
   ========================================================================== */

:root {
  --bg-main: #0a0d16;
  --bg-card: #121826;
  --bg-card-hover: #171f32;
  --border-color: #1f2a42;
  --border-glow: rgba(249, 115, 22, 0.12);
  
  --text-main: #e2e8f0;
  --text-muted: #94a3b8;
  --text-light: #f8fafc;
  --text-dark: #0f172a;
  
  --accent-primary: #ea580c; /* Tech Orange */
  --accent-secondary: #f59e0b; /* Amber */
  --accent-glow: rgba(234, 88, 12, 0.35);
  
  --color-success: #10b981; /* Terminal Green */
  --bg-terminal: #07090f;
  
  --font-sans: "Segoe UI", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  
  --max-width: 1200px;
  --header-height: 80px;
}

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

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

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.625;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Skip link for Accessibility */
.skip-link {
  position: absolute;
  left: 1.5rem;
  top: -4rem;
  z-index: 9999;
  background-color: var(--accent-primary);
  color: var(--text-light);
  padding: 0.75rem 1.25rem;
  border-radius: 4px;
  font-weight: 700;
  text-decoration: none;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1.5rem;
}

/* Container */
.main-container {
  flex-grow: 1;
}

.section-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 5rem 1.5rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-light);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: 3rem;
  font-weight: 800;
}

h2 {
  font-size: 2.25rem;
  margin-bottom: 1.5rem;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1.5rem;
  color: var(--text-muted);
}

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

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

/* Header & JS-Free Navigation */
.site-header {
  background-color: rgba(10, 13, 22, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.header-inner {
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-logo {
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.05em;
  color: var(--text-light);
  display: flex;
  align-items: center;
}

.logo-accent {
  color: var(--accent-primary);
  margin-right: 0.15rem;
}

.site-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-light);
  border-bottom-color: var(--accent-primary);
}

.nav-cta {
  background-color: var(--accent-primary);
  color: var(--text-light);
  padding: 0.6rem 1.2rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: background-color var(--transition-fast);
}

.nav-cta:hover {
  background-color: #c2410c;
  color: var(--text-light);
}

/* Mobile Nav Styles (JS-free checkbox hack) */
.menu-toggle-checkbox {
  display: none;
}

.menu-toggle-label {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  cursor: pointer;
  z-index: 1010;
}

.menu-toggle-label .bar {
  width: 100%;
  height: 2px;
  background-color: var(--text-light);
  transition: all var(--transition-normal);
}

@media (max-width: 768px) {
  .menu-toggle-label {
    display: flex;
  }
  
  .site-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-main);
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 3rem;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-normal), opacity var(--transition-normal), visibility var(--transition-normal);
    z-index: 999;
  }
  
  .nav-list {
    flex-direction: column;
    gap: 2rem;
    width: 100%;
    text-align: center;
  }
  
  .nav-link {
    font-size: 1.25rem;
    display: block;
    width: fit-content;
    margin: 0 auto;
  }
  
  .nav-cta-item {
    margin-top: 1rem;
  }
  
  .menu-toggle-checkbox:checked ~ .site-nav {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .menu-toggle-checkbox:checked ~ .menu-toggle-label .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  
  .menu-toggle-checkbox:checked ~ .menu-toggle-label .bar:nth-child(2) {
    opacity: 0;
  }
  
  .menu-toggle-checkbox:checked ~ .menu-toggle-label .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  cursor: pointer;
  text-align: center;
}

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

.btn-primary:hover {
  background-color: #c2410c;
  border-color: #c2410c;
  color: var(--text-light);
}

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

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

.btn-outline {
  background-color: transparent;
  color: var(--accent-secondary);
  border: 1px solid var(--accent-secondary);
}

.btn-outline:hover {
  background-color: rgba(245, 158, 11, 0.08);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

/* Homepage Hero */
.hero-block {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 6rem 1.5rem 4rem 1.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  background-color: rgba(234, 88, 12, 0.1);
  color: var(--accent-secondary);
  border: 1px solid rgba(234, 88, 12, 0.2);
  padding: 0.35rem 0.85rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-title {
  margin-bottom: 1.5rem;
  line-height: 1.15;
}

.accent-gradient {
  color: var(--accent-secondary);
  background: linear-gradient(135deg, var(--accent-secondary) 0%, var(--accent-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: 1.15rem;
  line-height: 1.7;
  margin-bottom: 2.5rem;
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  gap: 1rem;
}

/* CSS Terminal Mockup */
.terminal-mockup {
  background-color: var(--bg-terminal);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 20px var(--border-glow);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.terminal-bar {
  background-color: #121826;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
}

.terminal-bar .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 6px;
  display: inline-block;
}

.terminal-bar .dot.red { background-color: #ef4444; }
.terminal-bar .dot.yellow { background-color: #f59e0b; }
.terminal-bar .dot.green { background-color: #10b981; }

.terminal-title {
  color: var(--text-muted);
  font-size: 0.75rem;
  margin-left: 1rem;
}

.terminal-body {
  padding: 1.25rem;
  color: #a7f3d0; /* Soft terminal green */
}

.term-input {
  color: var(--text-light);
  margin-bottom: 0.5rem;
}

.term-output {
  margin-bottom: 0.75rem;
  color: var(--text-muted);
}

.term-output.success {
  color: var(--color-success);
}

.cursor {
  display: inline-block;
  width: 8px;
  height: 15px;
  background-color: var(--accent-secondary);
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

/* Metric Bar */
.metric-section {
  background-color: #0e1220;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 3rem 1.5rem;
}

.metric-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}

.metric-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-secondary);
  margin-bottom: 0.25rem;
  font-family: var(--font-mono);
}

.metric-label {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (max-width: 768px) {
  .metric-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

/* Capabilities Grid Section */
.capabilities-section {
  background-color: var(--bg-main);
  padding: 6rem 1.5rem;
}

.section-center-header {
  max-width: 700px;
  margin: 0 auto 4rem auto;
  text-align: center;
}

.section-tag {
  color: var(--accent-primary);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.75rem;
}

.section-header-desc {
  font-size: 1.1rem;
}

.capabilities-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.capability-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 2.5rem;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.capability-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-primary);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), 0 0 15px var(--border-glow);
  background-color: var(--bg-card-hover);
}

.card-icon {
  color: var(--accent-secondary);
  width: 48px;
  height: 48px;
  margin-bottom: 1.5rem;
}

.card-icon svg {
  width: 100%;
  height: 100%;
}

.capability-card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.capability-card p {
  font-size: 0.95rem;
  flex-grow: 1;
}

.card-link {
  font-weight: 600;
  font-size: 0.9rem;
  margin-top: 1rem;
}

/* Featured Insights Section */
.featured-insights {
  background-color: #0a0d16;
  border-top: 1px solid var(--border-color);
  padding: 6rem 1.5rem;
}

.section-header-row {
  max-width: var(--max-width);
  margin: 0 auto 3.5rem auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.insights-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.insight-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  transition: all var(--transition-normal);
}

.insight-card:hover {
  border-color: var(--accent-secondary);
  background-color: var(--bg-card-hover);
}

.insight-card-inner {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.insight-date {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  display: block;
}

.insight-title {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.insight-title a {
  color: var(--text-light);
}

.insight-desc {
  font-size: 0.9rem;
  flex-grow: 1;
  margin-bottom: 1.5rem;
}

.insight-link {
  font-weight: 600;
  font-size: 0.9rem;
}

@media (max-width: 992px) {
  .insights-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .section-header-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }
}

/* CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, #1e150f 0%, #0d0907 100%);
  border-top: 1px solid var(--accent-primary);
  padding: 5rem 1.5rem;
  text-align: center;
}

.cta-inner {
  max-width: 700px;
  margin: 0 auto;
}

.cta-inner h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.cta-inner p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

/* Footer styles */
.site-footer {
  background-color: #07090f;
  border-top: 1px solid var(--border-color);
  padding: 4rem 1.5rem 2rem 1.5rem;
  font-size: 0.9rem;
}

.footer-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-logo {
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text-light);
  display: block;
  margin-bottom: 1.25rem;
}

.footer-desc {
  font-size: 0.85rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.footer-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-success);
  box-shadow: 0 0 8px var(--color-success);
}

.status-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-success);
  font-weight: 600;
}

.footer-title {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
  color: var(--text-light);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

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

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

.contact-detail {
  margin-bottom: 0.75rem;
  color: var(--text-muted);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.footer-meta-links {
  display: flex;
  gap: 0.75rem;
}

.footer-meta-links .separator {
  color: var(--border-color);
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
  }
}

@media (max-width: 576px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

/* Single Article Layout */
.single-article {
  max-width: 800px;
  margin: 0 auto;
  padding: 5rem 1.5rem;
}

.article-header {
  margin-bottom: 3.5rem;
}

.article-meta-top {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.back-link {
  color: var(--accent-secondary);
}

.article-title {
  font-size: 2.75rem;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

.article-lead {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--text-light);
  opacity: 0.9;
  margin-bottom: 2rem;
}

.article-featured-img-container {
  margin-top: 2rem;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.article-featured-img {
  width: 100%;
  height: auto;
  display: block;
}

.article-content {
  font-size: 1.1rem;
  line-height: 1.75;
  color: #cbd5e1;
}

.article-content h2 {
  font-size: 1.75rem;
  margin-top: 3rem;
  margin-bottom: 1.25rem;
  color: var(--text-light);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.article-content h3 {
  font-size: 1.35rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--text-light);
}

.article-content p {
  margin-bottom: 1.5rem;
}

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

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

.article-content blockquote {
  border-left: 4px solid var(--accent-primary);
  background-color: var(--bg-card);
  padding: 1rem 1.5rem;
  margin: 2rem 0;
  border-radius: 0 4px 4px 0;
  font-style: italic;
}

.article-content blockquote p {
  margin-bottom: 0;
}

.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  margin: 2rem 0;
  display: block;
}

.article-content pre {
  background-color: var(--bg-terminal);
  border: 1px solid var(--border-color);
  padding: 1.25rem;
  border-radius: 6px;
  overflow-x: auto;
  margin: 2rem 0;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.article-content code {
  font-family: var(--font-mono);
  background-color: rgba(234, 88, 12, 0.1);
  color: var(--accent-secondary);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-size: 0.9em;
}

.article-content pre code {
  background-color: transparent;
  color: inherit;
  padding: 0;
  border-radius: 0;
  font-size: inherit;
}

/* Static Contact Form Page Facade */
.contact-facade-container {
  max-width: 600px;
  margin: 3rem auto 0 auto;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 3rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-light);
}

.form-input, .form-textarea {
  width: 100%;
  background-color: var(--bg-main);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.75rem 1rem;
  color: var(--text-light);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast);
}

.form-select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  color: var(--text-light);
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--accent-primary);
  outline: none;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.btn-block {
  width: 100%;
}

/* List section layouts */
.section-header-block {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem auto;
}

.section-main-title {
  font-size: 2.75rem;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.15rem;
}

.insights-list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.insight-preview-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  transition: all var(--transition-normal);
}

.insight-preview-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-4px);
  background-color: var(--bg-card-hover);
}

.insight-preview-card .card-inner {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.insight-preview-card .card-meta {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.insight-preview-card .card-title {
  font-size: 1.35rem;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.insight-preview-card .card-title a {
  color: var(--text-light);
}

.insight-preview-card .card-excerpt {
  font-size: 0.95rem;
  flex-grow: 1;
  margin-bottom: 1.5rem;
}

.insight-preview-card .card-read-more {
  font-weight: 600;
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .insights-list-grid {
    grid-template-columns: 1fr;
  }
}