/* Kubechart Landing Page Styles */

:root {
  --color-bg: #0d1117;
  --color-bg-secondary: #161b22;
  --color-bg-tertiary: #21262d;
  --color-text: #c9d1d9;
  --color-text-secondary: #8b949e;
  --color-text-muted: #6e7681;
  --color-accent: #326ce5;
  --color-accent-light: #58a6ff;
  --color-terminal-bg: #1a1a2e;
  --color-terminal-header: #252540;
  --color-border: #30363d;
  
  /* Status colors */
  --color-running: #3fb950;
  --color-pending: #d29922;
  --color-failed: #f85149;
  --color-succeeded: #8b949e;
  --color-terminating: #fb923c;
  
  /* Resource colors */
  --color-deployment: #58a6ff;
  --color-sts: #a371f7;
  --color-daemon: #3fb950;
  --color-job: #d29922;
  --color-cronjob: #8b949e;
  --color-service: #f0883e;
  --color-ingress: #79c0ff;
  --color-config: #56d364;
  
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', monospace;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  --radius: 12px;
  --radius-sm: 6px;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(13, 17, 23, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-text);
}

.logo-icon {
  color: var(--color-accent);
  font-size: 1.5rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.875rem;
  transition: color 0.2s;
}

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

.nav-github {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

/* Hero Section */
.hero {
  padding: 140px 0 80px;
  background: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(50, 108, 229, 0.15), transparent),
    var(--color-bg);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: rgba(50, 108, 229, 0.15);
  border: 1px solid rgba(50, 108, 229, 0.3);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-accent-light);
  margin-bottom: 20px;
}

.badge-dot {
  width: 6px;
  height: 6px;
  background: #3fb950;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

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

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  max-width: 500px;
}

.hero-ctas {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 28px;
}

.install-box {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--color-terminal-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 4px;
  max-width: 320px;
}

.install-command {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  color: var(--color-text);
  padding: 12px 16px;
  flex: 1;
}

.copy-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all 0.2s;
}

.copy-btn:hover {
  background: var(--color-border);
  color: var(--color-text);
}

.copy-btn.copied {
  background: var(--color-running);
  color: white;
  border-color: var(--color-running);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.875rem;
  transition: all 0.2s;
  max-width: fit-content;
}

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

.hero-badges {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-badge {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  background: var(--color-bg-secondary);
  padding: 6px 12px;
  border-radius: 20px;
  border: 1px solid var(--color-border);
}

/* Terminal */
.hero-terminal {
  background: var(--color-terminal-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--color-terminal-header);
  border-bottom: 1px solid var(--color-border);
}

.terminal-dots {
  display: flex;
  gap: 8px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

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

.terminal-body {
  padding: 20px 24px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
  min-height: 320px;
}

.terminal-line {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.prompt {
  color: var(--color-running);
  font-weight: 600;
}

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

.cursor {
  color: var(--color-accent);
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.terminal-output {
  color: var(--color-text-secondary);
  white-space: pre-wrap;
  line-height: 1.5;
}

/* Section Styles */
section {
  padding: 100px 0;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 60px;
}

/* Problem Section */
.problem {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.problem-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
}

.problem-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.problem-card h3 {
  font-size: 1.125rem;
  margin-bottom: 12px;
  color: var(--color-text);
}

.problem-card p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.problem-card code {
  font-family: var(--font-mono);
  background: var(--color-bg-tertiary);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.875rem;
}

/* Demo Section */
.demo {
  background: var(--color-bg);
}

.demo-header {
  margin-bottom: 60px;
}

.demo-comparison {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: stretch;
  margin-bottom: 60px;
}

.demo-side {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.demo-side .demo-terminal {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.demo-side .demo-terminal pre {
  flex: 1;
}

.demo-label {
  display: flex;
  justify-content: center;
}

.demo-label-badge {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.demo-label-badge.kubectl {
  background: rgba(248, 81, 73, 0.15);
  color: var(--color-failed);
  border: 1px solid rgba(248, 81, 73, 0.3);
}

.demo-label-badge.kubechart {
  background: rgba(63, 185, 80, 0.15);
  color: var(--color-running);
  border: 1px solid rgba(63, 185, 80, 0.3);
}

.demo-terminal {
  background: var(--color-terminal-bg);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.terminal-header.small {
  padding: 10px 14px;
}

.demo-terminal pre {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.7;
  overflow-x: auto;
  white-space: pre;
}

.kubectl-output pre {
  color: var(--color-text-secondary);
  overflow-y: auto;
}

.kubectl-text {
  color: #888;
}

/* Kubechart terminal colors */
.kubechart-text .c-cluster { color: var(--color-accent-light); font-weight: 600; }
.kubechart-text .c-prompt { color: var(--color-text-muted); }
.kubechart-text .c-tree { color: var(--color-text-muted); }
.kubechart-text .c-deployment { color: var(--color-deployment); }
.kubechart-text .c-sts { color: var(--color-sts); }
.kubechart-text .c-daemon { color: var(--color-daemon); }
.kubechart-text .c-job { color: var(--color-job); }
.kubechart-text .c-cronjob { color: var(--color-cronjob); }
.kubechart-text .c-rs { color: var(--color-text-secondary); }
.kubechart-text .c-rs-inactive { color: var(--color-text-muted); font-style: italic; }
.kubechart-text .c-pod { color: var(--color-running); }
.kubechart-text .c-service { color: var(--color-service); }
.kubechart-text .c-ingress { color: var(--color-ingress); }
.kubechart-text .c-config { color: var(--color-config); }
.kubechart-text .c-cpu { color: var(--color-running); }
.kubechart-text .c-mem { color: #a371f7; }
.kubechart-text .c-summary { color: var(--color-text-muted); }

.demo-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

/* Legend Section */
.legend-section {
  text-align: center;
}

.legend-section h3 {
  font-size: 1.25rem;
  margin-bottom: 24px;
  color: var(--color-text);
}

.legend-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px 24px;
  max-width: 800px;
  margin: 0 auto;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.legend-symbol {
  font-family: var(--font-mono);
  font-size: 1rem;
  width: 24px;
  text-align: center;
}

.legend-symbol.deployment { color: var(--color-deployment); }
.legend-symbol.sts { color: var(--color-sts); }
.legend-symbol.daemon { color: var(--color-daemon); }
.legend-symbol.job { color: var(--color-job); }
.legend-symbol.cronjob { color: var(--color-cronjob); }
.legend-symbol.rs { color: var(--color-text-secondary); }
.legend-symbol.pod-running { color: var(--color-running); }
.legend-symbol.pod-pending { color: var(--color-pending); }
.legend-symbol.pod-failed { color: var(--color-failed); }
.legend-symbol.pod-succeeded { color: var(--color-succeeded); }
.legend-symbol.service { color: var(--color-service); }
.legend-symbol.ingress { color: var(--color-ingress); }

/* Features Grid */
.features {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all 0.2s;
}

.feature-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1rem;
  margin-bottom: 10px;
  color: var(--color-text);
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.feature-card code {
  font-family: var(--font-mono);
  background: var(--color-bg-tertiary);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.8125rem;
}

.feature-card kbd {
  font-family: var(--font-mono);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  color: var(--color-text);
}

/* Quick Start */
.quickstart {
  background: var(--color-bg);
}

.quickstart-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 80px;
}

.quickstart-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
}

.quickstart-number {
  position: absolute;
  top: -16px;
  left: 24px;
  width: 32px;
  height: 32px;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
}

.quickstart-card h3 {
  font-size: 1.125rem;
  margin-bottom: 16px;
  margin-top: 8px;
  color: var(--color-text);
}

.code-block {
  background: var(--color-terminal-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  overflow-x: auto;
}

.code-block code {
  color: var(--color-text);
  white-space: nowrap;
}

.quickstart-card p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.quickstart-card kbd {
  font-family: var(--font-mono);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.8125rem;
}

/* Keyboard Shortcuts */
.keyboard-shortcuts {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
}

.keyboard-shortcuts h3 {
  font-size: 1.25rem;
  margin-bottom: 24px;
  text-align: center;
  color: var(--color-text);
}

.shortcuts-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.shortcut {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.shortcut kbd {
  font-family: var(--font-mono);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.8125rem;
  color: var(--color-text);
  min-width: 28px;
  text-align: center;
}

/* Comparison Table */
.comparison {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
}

.comparison-table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.comparison-table th,
.comparison-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
  background: var(--color-bg-tertiary);
  font-weight: 600;
  color: var(--color-text);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.comparison-table td {
  color: var(--color-text-secondary);
}

.comparison-table td.col-kubechart {
  background: rgba(50, 108, 229, 0.05);
  color: var(--color-text);
}

.comparison-table th.col-kubechart {
  background: rgba(50, 108, 229, 0.15);
  color: var(--color-accent-light);
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.comparison-table .check {
  color: var(--color-running);
  font-weight: 600;
  font-size: 1.25rem;
}

.comparison-table .cross {
  color: var(--color-failed);
  font-size: 1.25rem;
}

.comparison-table .tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.comparison-table .tag.minimal {
  background: rgba(63, 185, 80, 0.15);
  color: var(--color-running);
}

.comparison-table .tag.medium {
  background: rgba(210, 153, 34, 0.15);
  color: var(--color-pending);
}

.comparison-table .tag.heavy {
  background: rgba(248, 81, 73, 0.15);
  color: var(--color-failed);
}

.tooltip {
  color: var(--color-text-muted);
  cursor: help;
  margin-left: 4px;
}

.comparison-note {
  text-align: center;
  margin-top: 32px;
  font-size: 1rem;
  color: var(--color-text-secondary);
}

.comparison-note strong {
  color: var(--color-text);
}

/* Use Cases */
.usecases {
  background: var(--color-bg);
}

.usecases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.usecase-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  transition: all 0.2s;
}

.usecase-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
}

.usecase-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.usecase-card h3 {
  font-size: 1.125rem;
  margin-bottom: 12px;
  color: var(--color-text);
}

.usecase-card p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.usecase-card code {
  font-family: var(--font-mono);
  background: var(--color-bg-tertiary);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.875rem;
}

/* CTA Section */
.cta {
  background: 
    radial-gradient(ellipse 80% 50% at 50% 120%, rgba(50, 108, 229, 0.15), transparent),
    var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.cta-content {
  max-width: 600px;
  margin: 0 auto;
}

.cta h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.cta > div > p {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
}

.cta-install {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 12px;
  margin: 32px 0;
}

.install-command.large {
  font-size: 1.25rem;
  padding: 16px 24px;
  background: var(--color-terminal-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  height: 56px;
  display: flex;
  align-items: center;
}

.copy-btn.large {
  width: auto;
  padding: 16px 24px;
  font-size: 0.9375rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  height: 56px;
}

.cta-links {
  display: flex;
  gap: 16px;
  justify-content: center;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  color: white;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9375rem;
  transition: all 0.2s;
}

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

/* Footer */
.footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: 48px 0 32px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.125rem;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s;
}

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

.footer-copy {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .demo-comparison {
    grid-template-columns: 1fr;
  }
  
  .demo-arrow {
    transform: rotate(90deg);
    padding: 20px 0;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .shortcuts-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .usecases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 120px 0 60px;
  }
  
  .hero-title {
    font-size: 2.25rem;
  }
  
  .nav-links {
    display: none;
  }
  
  .problem-grid,
  .features-grid,
  .quickstart-grid,
  .usecases-grid {
    grid-template-columns: 1fr;
  }
  
  .shortcuts-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .comparison-table-wrapper {
    font-size: 0.8125rem;
  }
  
  .comparison-table th,
  .comparison-table td {
    padding: 12px 14px;
  }
  
  .cta h2 {
    font-size: 1.875rem;
  }
  
  .cta-install {
    flex-direction: column;
  }
  
  .cta-links {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.875rem;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .shortcuts-grid {
    grid-template-columns: 1fr;
  }
  
  .comparison-table th,
  .comparison-table td {
    padding: 10px 12px;
  }
}