/* TennMesh Community Website Styles */

/* ============================================
   CSS Custom Properties - Design System
   ============================================ */

:root {
  /* Background colors - dark with subtle teal undertone */
  --color-bg: #080f11;
  --color-surface: #0c1517;
  --color-surface-light: #121e22;
  --color-surface-hover: #1a282d;

  /* Border */
  --color-border: #1e2e32;
  --color-border-light: #2a3d42;

  /* Text hierarchy */
  --color-text: #e7e7e8;
  --color-text-muted: #9b9fa1;
  --color-text-dim: #5c6365;

  /* Primary accent - orange */
  --color-primary: #f94d00;
  --color-primary-hover: #ff6b2b;
  --color-primary-muted: rgba(249, 77, 0, 0.15);

  /* Status colors */
  --color-success: #48d597;
  --color-error: #e5484d;
  --color-warning: #f5a623;

  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
}

/* ============================================
   Reset and Base Styles
   ============================================ */

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-primary);
  line-height: 1.6;
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  color: var(--color-text);
  font-weight: 600;
  line-height: 1.3;
  margin-top: 0;
  margin-bottom: var(--space-4);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1rem; }

p {
  color: var(--color-text-muted);
  margin-top: 0;
  margin-bottom: var(--space-4);
}

/* Links */
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.15s ease;
}

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

/* Code */
code, pre {
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

code {
  background: var(--color-surface);
  padding: 0.2em 0.4em;
  border-radius: var(--radius-sm);
  color: var(--color-text);
}

pre {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  overflow-x: auto;
}

pre code {
  background: none;
  padding: 0;
}

/* ============================================
   Layout
   ============================================ */

main {
  min-height: calc(100vh - 200px);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* ============================================
   Navigation
   ============================================ */

nav {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-4) 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-6);
}

.nav-logo {
  display: flex;
  align-items: center;
  transition: opacity 0.15s ease;
}

.nav-logo:hover {
  opacity: 0.8;
}

.nav-logo-img {
  height: 32px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}

nav a {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

nav a:hover,
nav a.active {
  color: var(--color-text);
  background: var(--color-surface-light);
}

/* Mobile navigation */
@media (max-width: 768px) {
  .nav-container {
    flex-direction: column;
    gap: var(--space-4);
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* ============================================
   Footer
   ============================================ */

footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-8) var(--space-6);
  color: var(--color-text-dim);
  font-size: 0.875rem;
  margin-top: var(--space-16);
}

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

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

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-8);
}

.footer-section h4 {
  color: var(--color-text);
  font-size: 0.875rem;
  margin-bottom: var(--space-3);
}

.footer-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-section li {
  margin-bottom: var(--space-2);
}

.footer-bottom {
  max-width: 1200px;
  margin: var(--space-8) auto 0;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.625rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
}

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

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

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

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

.btn-large {
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
}

/* ============================================
   Cards
   ============================================ */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color 0.15s ease;
}

.card:hover {
  border-color: var(--color-border-light);
}

.card h3 {
  margin-top: 0;
}

/* ============================================
   Info Box - Network Settings
   ============================================ */

.info-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-6);
  margin: var(--space-6) 0;
}

.info-box h3 {
  margin-top: 0;
  margin-bottom: var(--space-4);
}

.info-box dl {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-2) var(--space-4);
}

.info-box dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-dim);
  font-weight: 500;
}

.info-box dd {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--color-text);
  margin: 0;
}

/* ============================================
   Status Indicators
   ============================================ */

.status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.875rem;
}

.status::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-online::before {
  background: var(--color-success);
  box-shadow: 0 0 8px var(--color-success);
}

.status-offline::before {
  background: var(--color-error);
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
  padding: var(--space-16) var(--space-6);
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-logo {
  max-width: 400px;
  width: 100%;
  height: auto;
  margin: 0 auto var(--space-6);
  display: block;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.hero .tagline {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.hero .sub {
  font-size: 1rem;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: var(--space-8);
}

.hero .cta-buttons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .hero-logo {
    max-width: 280px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero .tagline {
    font-size: 1rem;
  }
}

/* ============================================
   Quick Start Steps
   ============================================ */

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-6);
  margin: var(--space-8) 0;
}

.step {
  position: relative;
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color 0.15s ease;
}

.step:hover {
  border-color: var(--color-border-light);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  color: white;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: 50%;
  margin-bottom: var(--space-4);
}

.step h3 {
  font-size: 1rem;
  margin-bottom: var(--space-2);
}

.step p {
  font-size: 0.875rem;
  margin: 0;
}

/* ============================================
   Content Sections
   ============================================ */

.content-section {
  padding: var(--space-12) 0;
}

.content-section h2 {
  text-align: center;
  margin-bottom: var(--space-8);
}

/* ============================================
   Feature Grid
   ============================================ */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
  margin: var(--space-8) 0;
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all 0.15s ease;
}

.feature-card:hover {
  border-color: var(--color-border-light);
  transform: translateY(-2px);
}

.feature-card h3 {
  margin-top: 0;
  margin-bottom: var(--space-3);
}

.feature-card p {
  margin: 0;
  font-size: 0.875rem;
}

/* ============================================
   Video Embed
   ============================================ */

.video-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  height: 0;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.video-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-lg);
}

/* ============================================
   Utility Classes
   ============================================ */

.text-center {
  text-align: center;
}

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

.mt-8 {
  margin-top: var(--space-8);
}

.mb-8 {
  margin-bottom: var(--space-8);
}

.py-12 {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
}

/* ============================================
   Responsive Utilities
   ============================================ */

@media (max-width: 768px) {
  .container,
  .container-narrow {
    padding: 0 var(--space-4);
  }

  .content-section {
    padding: var(--space-8) 0;
  }
}