/* ==========================================================================
   YouTube Studio MCP - Modern Design System (Clean White Mode & Dark Mode)
   ========================================================================== */

:root {
  /* Clean Light / White Mode Palette (Default) */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  
  --border-color: #e2e8f0;
  --border-focus: #cbd5e1;
  --border-subtle: #f1f5f9;
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --accent-red: #e60023;
  --accent-red-hover: #cc001f;
  --accent-red-glow: rgba(230, 0, 35, 0.12);
  --accent-gradient: linear-gradient(135deg, #e60023 0%, #ff4b4b 100%);
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px -2px rgba(0, 0, 0, 0.06), 0 2px 6px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 12px 30px -4px rgba(0, 0, 0, 0.08), 0 4px 12px -2px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 4px 20px -2px rgba(15, 23, 42, 0.04), 0 0 0 1px rgba(226, 232, 240, 0.8);
  --shadow-card-hover: 0 16px 32px -4px rgba(15, 23, 42, 0.08), 0 0 0 1px rgba(203, 213, 225, 0.9);
  
  --terminal-bg: #0f172a;
  --terminal-border: #334155;
  --terminal-text: #f8fafc;
  --terminal-muted: #64748b;
  --terminal-prompt: #38bdf8;
  --terminal-green: #4ade80;
  --terminal-yellow: #fbbf24;
  --terminal-red: #f87171;
}

[data-theme="dark"] {
  --bg-primary: #090d16;
  --bg-secondary: #0f172a;
  --bg-tertiary: #1e293b;
  --bg-card: #131d31;
  --bg-card-hover: #1a2742;
  
  --border-color: #1e293b;
  --border-focus: #334155;
  --border-subtle: #1e293b;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --accent-red-glow: rgba(255, 0, 51, 0.25);
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px -2px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 12px 30px -4px rgba(0, 0, 0, 0.6);
  --shadow-card: 0 4px 20px -2px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.07);
  --shadow-card-hover: 0 16px 32px -4px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 0, 51, 0.3);
}

/* ==========================================================================
   Base Styles & Reset
   ========================================================================== */

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

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
  position: relative;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Background Ambient Glow */
.bg-glow-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
  transition: opacity 0.5s ease;
}

.glow-1 {
  top: -100px;
  right: 10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(230, 0, 35, 0.25) 0%, transparent 70%);
}

.glow-2 {
  top: 600px;
  left: 5%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.15) 0%, transparent 70%);
}

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

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

[data-theme="dark"] .navbar {
  background-color: rgba(9, 13, 22, 0.85);
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: var(--accent-gradient);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 4px 12px var(--accent-red-glow);
}

.logo-icon svg {
  width: 22px;
  height: 22px;
}

.logo-icon.small {
  width: 30px;
  height: 30px;
}

.logo-icon.small svg {
  width: 18px;
  height: 18px;
}

.badge-mcp {
  font-size: 0.7rem;
  background-color: var(--bg-tertiary);
  color: var(--accent-red);
  border: 1px solid var(--border-color);
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  font-weight: 700;
  margin-left: 0.25rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
  transition: all 0.2s ease;
}

.theme-toggle-btn:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-focus);
}

[data-theme="light"] .moon-icon {
  display: inline-block;
}
[data-theme="light"] .sun-icon {
  display: none;
}

[data-theme="dark"] .moon-icon {
  display: none;
}
[data-theme="dark"] .sun-icon {
  display: inline-block;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: 0 4px 14px var(--accent-red-glow);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--accent-red-glow);
}

.btn-secondary {
  background-color: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--border-color);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background-color: var(--bg-secondary);
  border-color: var(--border-focus);
  transform: translateY(-1px);
}

.btn-github {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  font-size: 0.9rem;
}

.btn-github:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--border-focus);
}

.github-icon {
  width: 18px;
  height: 18px;
}

.btn-icon {
  width: 18px;
  height: 18px;
}

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

.hero-section {
  padding: 5rem 0 3.5rem;
  position: relative;
  z-index: 1;
}

.hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 0.4rem 1rem;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.75rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 8px #22c55e;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.hero-title {
  font-family: 'Outfit', sans-serif;
  font-size: 3.75rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  max-width: 900px;
}

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 760px;
  margin-bottom: 2.5rem;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
}

/* ==========================================================================
   Interactive Terminal Playground
   ========================================================================== */

.terminal-wrapper {
  width: 100%;
  max-width: 960px;
  background-color: var(--terminal-bg);
  border: 1px solid var(--terminal-border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
  text-align: left;
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.25rem;
  background-color: rgba(15, 23, 42, 0.9);
  border-bottom: 1px solid var(--terminal-border);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

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

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

.terminal-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: #94a3b8;
}

.terminal-badge {
  font-size: 0.65rem;
  font-weight: 700;
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.terminal-actions-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background-color: rgba(30, 41, 59, 0.6);
  border-bottom: 1px solid var(--terminal-border);
  overflow-x: auto;
}

.terminal-prompt-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: #94a3b8;
  margin-right: 0.25rem;
  white-space: nowrap;
}

.prompt-tab {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #cbd5e1;
  padding: 0.4rem 0.85rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.prompt-tab:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
}

.prompt-tab.active {
  background: var(--accent-red);
  border-color: var(--accent-red);
  color: #ffffff;
  box-shadow: 0 0 12px rgba(230, 0, 35, 0.4);
}

.terminal-body {
  padding: 1.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  color: var(--terminal-text);
  line-height: 1.7;
  max-height: 380px;
  overflow-y: auto;
}

.term-line {
  margin-bottom: 0.4rem;
}

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

.term-cmd {
  color: #ffffff;
  font-weight: 500;
}

.term-tool {
  color: #fbbf24;
  font-weight: 600;
}

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

.term-output {
  color: #cbd5e1;
  background: rgba(0, 0, 0, 0.25);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border-left: 3px solid var(--accent-red);
  margin: 0.5rem 0 1rem;
}

/* ==========================================================================
   Section Components & Headers
   ========================================================================== */

.section {
  padding: 6rem 0;
  position: relative;
  z-index: 1;
}

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

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent-red);
  background-color: var(--bg-tertiary);
  padding: 0.3rem 0.8rem;
  border-radius: 6px;
  margin-bottom: 1rem;
}

.section-title {
  font-family: 'Outfit', sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   Features Grid
   ========================================================================== */

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: var(--shadow-card);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.feature-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.feature-icon-wrapper svg {
  width: 24px;
  height: 24px;
}

.feature-icon-wrapper.red { background: rgba(230, 0, 35, 0.1); color: var(--accent-red); }
.feature-icon-wrapper.blue { background: rgba(59, 130, 246, 0.1); color: #3b82f6; }
.feature-icon-wrapper.green { background: rgba(34, 197, 94, 0.1); color: #22c55e; }
.feature-icon-wrapper.purple { background: rgba(168, 85, 247, 0.1); color: #a855f7; }
.feature-icon-wrapper.amber { background: rgba(245, 158, 11, 0.1); color: #f59e0b; }
.feature-icon-wrapper.rose { background: rgba(244, 63, 94, 0.1); color: #f43f5e; }

.feature-card h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.feature-card code {
  background-color: var(--bg-tertiary);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--text-primary);
}

/* ==========================================================================
   Tools Directory & Filter
   ========================================================================== */

.tools-section {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.tools-control-bar {
  margin-bottom: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.search-box {
  position: relative;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--text-muted);
}

.search-box input {
  width: 100%;
  padding: 1rem 1rem 1rem 3.25rem;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-primary);
  font-size: 1rem;
  outline: none;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.search-box input:focus {
  border-color: var(--accent-red);
  box-shadow: 0 0 0 3px var(--accent-red-glow);
}

.category-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pill-btn {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.pill-btn:hover {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
}

.pill-btn.active {
  background-color: var(--text-primary);
  border-color: var(--text-primary);
  color: var(--bg-primary);
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.tool-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
  transition: all 0.2s ease;
}

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

.tool-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.tool-name {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--accent-red);
}

.tool-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
}

.tool-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.tool-params {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.param-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  color: var(--text-muted);
}

.param-tag.required {
  border-color: rgba(230, 0, 35, 0.3);
  color: var(--accent-red);
  background-color: rgba(230, 0, 35, 0.05);
}

/* ==========================================================================
   Architecture Diagram
   ========================================================================== */

.arch-flow-diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 3rem 2rem;
  box-shadow: var(--shadow-card);
}

.arch-node {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.75rem;
  text-align: center;
  width: 260px;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.arch-node.active-node {
  border-color: var(--accent-red);
  box-shadow: 0 8px 24px var(--accent-red-glow);
  background: var(--bg-card);
}

.node-icon {
  font-size: 2.2rem;
  margin-bottom: 0.75rem;
}

.node-title {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  margin-bottom: 0.35rem;
}

.node-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.flow-arrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  width: 140px;
}

.arrow-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

.arrow-line {
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--border-color), var(--accent-red), var(--border-color));
  position: relative;
}

.arrow-line::after {
  content: '';
  position: absolute;
  right: 0;
  top: -4px;
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 6px solid var(--accent-red);
}

/* ==========================================================================
   Quickstart / Config Generator
   ========================================================================== */

.config-generator-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.config-tabs-header {
  display: flex;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
}

.config-tab-btn {
  padding: 1rem 1.5rem;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.config-tab-btn:hover {
  color: var(--text-primary);
}

.config-tab-btn.active {
  color: var(--accent-red);
  border-bottom-color: var(--accent-red);
  background-color: var(--bg-card);
}

.config-code-block {
  padding: 1.5rem;
  background-color: var(--terminal-bg);
}

.code-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--terminal-border);
}

.code-filepath {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: #94a3b8;
}

.btn-copy {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #ffffff;
  padding: 0.4rem 0.85rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-copy:hover {
  background: rgba(255, 255, 255, 0.2);
}

.copy-icon {
  width: 15px;
  height: 15px;
}

.config-code-block pre {
  margin: 0;
  overflow-x: auto;
}

.config-code-block code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  color: #f8fafc;
  line-height: 1.6;
}

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

.footer {
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 3rem;
  background-color: var(--bg-secondary);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-tagline {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

.footer-right {
  text-align: right;
}

.footer-copy {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.author-link {
  color: var(--text-primary);
  font-weight: 600;
  text-decoration: none;
}

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

.footer-links {
  display: flex;
  justify-content: flex-end;
  gap: 1.25rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.85rem;
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 992px) {
  .hero-title {
    font-size: 2.75rem;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .arch-flow-diagram {
    flex-direction: column;
    gap: 1rem;
  }
  .flow-arrow {
    transform: rotate(90deg);
    margin: 0.5rem 0;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
  .hero-title {
    font-size: 2.25rem;
  }
  .hero-subtitle {
    font-size: 1rem;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .tools-grid {
    grid-template-columns: 1fr;
  }
  .footer-content {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }
  .footer-right {
    text-align: center;
  }
  .footer-links {
    justify-content: center;
  }
}