/* ==========================================================================
   呆鹅云机场 (SillyGoose Cloud Airport) Design System
   Theme: 高速 IPLC 专线与安全节点加速系统
   Visual Core: 极简纯净面板 (#FCFCFD), IPLC 高速数据流, 零日志安全
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Noto+Sans+SC:wght@300;400;500;700;900&family=JetBrains+Mono:wght@400;600;700&display=swap');

:root {
  /* Color System */
  --bg-canvas: #FCFCFD;
  --bg-velvet-subtle: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F1F5F9;
  
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
  
  --accent-cyan: #0EA5E9;
  --accent-cyan-hover: #0284C7;
  --accent-cyan-light: rgba(14, 165, 233, 0.08);
  --accent-teal: #14B8A6;
  
  --mercury-silver: #CBD5E1;
  --mercury-glow: rgba(14, 165, 233, 0.25);
  
  --border-subtle: rgba(15, 23, 42, 0.06);
  --border-accent: rgba(14, 165, 233, 0.3);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.05), 0 8px 10px -6px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 20px 40px -15px rgba(14, 165, 233, 0.12), 0 0 1px rgba(15, 23, 42, 0.08);
  --shadow-droplet: inset -2px -2px 6px rgba(0, 0, 0, 0.08), inset 2px 2px 6px rgba(255, 255, 255, 0.9), 0 8px 20px rgba(14, 165, 233, 0.2);

  --font-sans: 'Plus Jakarta Sans', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(14, 165, 233, 0.03) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(20, 184, 166, 0.03) 0%, transparent 40%);
  background-attachment: fixed;
}

/* Micro-Velvet Texture Overlay */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.015;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

/* Links & Typography */
a {
  color: inherit;
  text-decoration: none;
  transition: all 0.25s ease;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

/* Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Hydrophobic Status Badge */
.nanocoat-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-cyan);
  box-shadow: var(--shadow-sm);
  letter-spacing: 0.03em;
}

.nanocoat-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--accent-teal);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-teal);
  animation: pulseDroplet 2s infinite ease-in-out;
}

@keyframes pulseDroplet {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.4); opacity: 1; }
}

/* Hydrophobic Droplet Physics Pill */
.droplet-pill {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #FFFFFF 0%, #F1F5F9 100%);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-droplet);
  border-radius: var(--radius-full);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.8rem;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  cursor: pointer;
  border: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-cyan-hover) 100%);
  color: #FFFFFF;
  box-shadow: 0 8px 25px rgba(14, 165, 233, 0.35);
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.4) 0%, transparent 60%);
  transform: scale(0);
  transition: transform 0.5s ease-out;
  pointer-events: none;
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 30px rgba(14, 165, 233, 0.45);
}

.btn-primary:hover::after {
  transform: scale(1);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--bg-velvet-subtle);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

/* Header & Nav */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(252, 252, 253, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all 0.3s ease;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, #FFFFFF 0%, #E0F2FE 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-droplet);
  border: 1px solid rgba(14, 165, 233, 0.2);
  font-size: 1.4rem;
}

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

.nav-links a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  position: relative;
  padding: 0.4rem 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--accent-cyan);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent-cyan);
  transition: all 0.25s ease;
  transform: translateX(-50%);
  border-radius: 2px;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 80%;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--text-primary);
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding: 5rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 3.2rem;
  font-weight: 800;
  margin: 1.2rem 0 1.2rem;
  line-height: 1.15;
}

.gradient-text {
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 580px;
  line-height: 1.8;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
}

.metric-card {
  background: var(--bg-card);
  padding: 1rem 1.2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  text-align: center;
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-cyan);
}

.metric-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

/* Interactive Hydrophobic Canvas Showcase Box */
.hero-visual {
  position: relative;
}

.nanocoat-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-lg);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.nanocoat-card:hover {
  transform: translateY(-4px) scale(1.01);
}

.nanocoat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.canvas-container {
  width: 100%;
  height: 320px;
  background: linear-gradient(180deg, #F8FAFC 0%, #F1F5F9 100%);
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.04);
}

#dropletCanvas {
  width: 100%;
  height: 100%;
  cursor: crosshair;
}

.canvas-overlay-tag {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

/* Section Title & Subtitle */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem;
}

.section-title {
  font-size: 2.25rem;
  margin-top: 0.8rem;
  margin-bottom: 0.8rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

/* Core Advantages Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.8rem;
}

.feature-card {
  background: var(--bg-card);
  padding: 2.2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: var(--accent-cyan-light);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 1.4rem;
  box-shadow: inset 0 0 10px rgba(14, 165, 233, 0.1);
}

.feature-title {
  font-size: 1.25rem;
  margin-bottom: 0.8rem;
}

.feature-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  align-items: stretch;
}

.pricing-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: all 0.35s ease;
}

.pricing-card.popular {
  border: 2px solid var(--accent-cyan);
  box-shadow: var(--shadow-lg);
  transform: scale(1.03);
}

.popular-badge {
  position: absolute;
  top: -14px;
  right: 24px;
  background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-teal) 100%);
  color: #FFFFFF;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 1rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.pricing-name {
  font-size: 1.35rem;
  margin-bottom: 0.5rem;
}

.pricing-price {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-cyan);
  margin: 1rem 0;
  font-family: var(--font-mono);
}

.pricing-price span {
  font-size: 1rem;
  color: var(--text-muted);
  font-weight: 400;
}

.pricing-features {
  list-style: none;
  margin: 1.8rem 0;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 0.9rem;
}

.pricing-features li i {
  color: var(--accent-cyan);
  font-size: 1.1rem;
}

/* Suitable Users / Audience Cards */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.audience-card {
  background: var(--bg-card);
  padding: 1.8rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: flex-start;
  gap: 1.2rem;
}

.audience-avatar {
  font-size: 2rem;
  background: var(--bg-velvet-subtle);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Tutorials Showcase Section */
.tutorials-tab-nav {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.25s ease;
}

.tab-btn.active, .tab-btn:hover {
  background: var(--accent-cyan);
  color: #FFFFFF;
  border-color: var(--accent-cyan);
  box-shadow: 0 4px 14px rgba(14, 165, 233, 0.3);
}

.tutorial-step-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.5rem;
  align-items: flex-start;
}

.step-number {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-teal) 100%);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 15px rgba(14, 165, 233, 0.25);
}

/* User Reviews Carousel / Grid */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.8rem;
}

.review-card {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.review-stars {
  color: #F59E0B;
  margin-bottom: 1rem;
}

.review-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.review-user {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-avatar-placeholder {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan-light) 0%, #E2E8F0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--accent-cyan);
}

.user-name {
  font-weight: 700;
  font-size: 0.95rem;
}

.user-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Accordion FAQ */
.faq-accordion {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  margin-bottom: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.25s ease;
}

.faq-item.active {
  border-color: var(--accent-cyan);
}

.faq-question {
  padding: 1.4rem 1.8rem;
  font-size: 1.05rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.faq-toggle-icon {
  font-size: 1.2rem;
  color: var(--accent-cyan);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0, 1, 0, 1);
  background: var(--bg-velvet-subtle);
}

.faq-answer-inner {
  padding: 1.4rem 1.8rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  border-top: 1px solid var(--border-subtle);
}

/* Article Grid Showcase */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.article-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all 0.35s ease;
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-lg);
}

.article-body {
  padding: 1.8rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.article-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-cyan);
  background: var(--accent-cyan-light);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.8rem;
  width: fit-content;
}

.article-title {
  font-size: 1.2rem;
  margin-bottom: 0.8rem;
  line-height: 1.4;
}

.article-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
  padding-top: 1rem;
}

/* Article Detail Page Layout */
.article-detail-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 3rem;
  padding: 3rem 0;
}

.article-main {
  background: var(--bg-card);
  padding: 3rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

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

.article-header h1 {
  font-size: 2.4rem;
  margin: 1rem 0;
}

.article-content {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #334155;
}

.article-content h2 {
  font-size: 1.65rem;
  margin: 2.2rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--accent-cyan-light);
}

.article-content h3 {
  font-size: 1.3rem;
  margin: 1.8rem 0 0.8rem;
  color: var(--accent-cyan-hover);
}

.article-content p {
  margin-bottom: 1.4rem;
}

.article-content ul, .article-content ol {
  margin-bottom: 1.5rem;
  padding-left: 1.8rem;
}

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

.callout-box {
  background: var(--bg-velvet-subtle);
  border-left: 4px solid var(--accent-cyan);
  padding: 1.4rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.8rem 0;
}

.sidebar-sticky {
  position: sticky;
  top: 100px;
}

.widget-card {
  background: var(--bg-card);
  padding: 1.8rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  margin-bottom: 2rem;
}

.widget-title {
  font-size: 1.15rem;
  margin-bottom: 1.2rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border-subtle);
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.breadcrumbs a:hover {
  color: var(--accent-cyan);
}

/* Footer */
.footer {
  background: #0F172A;
  color: #94A3B8;
  padding: 4.5rem 0 2rem;
  margin-top: 6rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand .logo {
  color: #FFFFFF;
  margin-bottom: 1.2rem;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 320px;
}

.footer-title {
  color: #FFFFFF;
  font-size: 1rem;
  margin-bottom: 1.2rem;
}

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

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

.footer-links a {
  font-size: 0.88rem;
  color: #94A3B8;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Responsive Media Queries */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .hero-content h1 {
    font-size: 2.5rem;
  }
  
  .article-detail-layout {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 76px;
    left: 0;
    width: 100%;
    background: var(--bg-card);
    flex-direction: column;
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--border-subtle);
  }
  
  .nav-links.show {
    display: flex;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .hero-content h1 {
    font-size: 2rem;
  }
  
  .hero-metrics {
    grid-template-columns: 1fr;
  }
  
  .pricing-card.popular {
    transform: none;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .tutorial-step-card {
    grid-template-columns: 1fr;
  }
}