/* EelNet Sales Site - Cyberpunk Theme */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ========================================
   CSS Variables (matching admin dashboard)
   ======================================== */
:root {
  /* Dark theme with neon accents */
  --bg-primary: #0a0e14;
  --bg-secondary: #141b22;
  --bg-tertiary: #1c2530;
  --bg-card: #0d1117;
  
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #484f58;
  
  --accent-cyan: #00d9ff;
  --accent-green: #39d353;
  --accent-red: #ff6b6b;
  --accent-yellow: #f0c674;
  --accent-purple: #bd93f9;
  
  --border-color: #30363d;
  --border-glow: rgba(0, 217, 255, 0.3);
  
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', Consolas, monospace;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  --shadow-glow: 0 0 20px rgba(0, 217, 255, 0.15);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  
  /* Spacing */
  --section-padding: 6rem;
  --container-max: 1200px;
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Grid background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(0, 217, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 217, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: -1;
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color 0.2s;
}

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

img {
  max-width: 100%;
  height: auto;
}

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

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

/* ========================================
   Layout
   ======================================== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: var(--section-padding) 0;
  position: relative;
}

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

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  padding: 0.25rem 0.75rem;
  background: rgba(0, 217, 255, 0.1);
  border: 1px solid rgba(0, 217, 255, 0.2);
  border-radius: 4px;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 1rem;
}

.section-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
}

.section-gradient {
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.1) 0%, rgba(189, 147, 249, 0.1) 100%);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.9375rem;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), #0099cc);
  color: var(--bg-primary);
  box-shadow: 0 2px 10px rgba(0, 217, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 217, 255, 0.4);
  color: var(--bg-primary);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-secondary);
  border-color: var(--accent-cyan);
  color: var(--text-primary);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

/* ========================================
   Header
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(10, 14, 20, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-primary);
}

.logo:hover {
  color: var(--text-primary);
}

.logo-icon {
  width: 36px;
  height: 36px;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

.login-btn {
  padding: 0.5rem 1.25rem;
}

/* Mobile menu button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding-top: var(--header-height);
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.grid-pattern {
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(ellipse at 50% 0%, rgba(0, 217, 255, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 50%, rgba(189, 147, 249, 0.06) 0%, transparent 50%);
}

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
}

.glow-1 {
  width: 600px;
  height: 600px;
  background: var(--accent-cyan);
  top: -200px;
  right: -100px;
  opacity: 0.15;
}

.glow-2 {
  width: 500px;
  height: 500px;
  background: var(--accent-purple);
  bottom: -150px;
  left: -100px;
  opacity: 0.1;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 4rem 0;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--accent-cyan);
  background: rgba(0, 217, 255, 0.1);
  border: 1px solid rgba(0, 217, 255, 0.2);
  padding: 0.375rem 0.875rem;
  border-radius: 20px;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 500px;
}

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

/* Hero Stats */
.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-bottom: 2rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.hero-stat-value {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-cyan);
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

/* Hero Logo visualization */
.hero-visual {
  position: relative;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-logo-container {
  position: relative;
  width: 320px;
  height: 320px;
}

.hero-logo-glow {
  position: absolute;
  inset: -20%;
  background: radial-gradient(circle, rgba(0, 217, 255, 0.2) 0%, rgba(189, 147, 249, 0.1) 40%, transparent 70%);
  border-radius: 50%;
  animation: glow-pulse 4s ease-in-out infinite;
}

.hero-logo {
  width: 100%;
  height: 100%;
  position: relative;
  z-index: 1;
}

.logo-ring {
  animation: ring-rotate 20s linear infinite;
  transform-origin: center;
}

.logo-ring-inner {
  animation: ring-rotate 15s linear infinite reverse;
  transform-origin: center;
}

.logo-eye {
  animation: eye-pulse 3s ease-in-out infinite;
}

.logo-pupil {
  animation: pupil-glow 2s ease-in-out infinite;
}

.logo-node {
  animation: node-float 3s ease-in-out infinite;
}

.node-1 { animation-delay: 0s; }
.node-2 { animation-delay: 0.5s; }
.node-3 { animation-delay: 1s; }
.node-4 { animation-delay: 1.5s; }
.node-5 { animation-delay: 2s; }
.node-6 { animation-delay: 2.5s; }

.logo-connection {
  animation: connection-pulse 2s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

@keyframes ring-rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes eye-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

@keyframes pupil-glow {
  0%, 100% { filter: drop-shadow(0 0 8px rgba(0, 217, 255, 0.5)); }
  50% { filter: drop-shadow(0 0 16px rgba(189, 147, 249, 0.8)); }
}

@keyframes node-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

@keyframes connection-pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.6; }
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  animation: float 2s ease-in-out infinite;
}

.scroll-arrow {
  width: 24px;
  height: 24px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
}

@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

/* ========================================
   Free Banner Section
   ======================================== */
.free-banner {
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.1) 0%, rgba(189, 147, 249, 0.1) 100%);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 4rem 0;
}

.free-banner-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.free-badge-large {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--bg-primary);
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green));
  padding: 0.5rem 1.5rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 20px rgba(0, 217, 255, 0.3);
}

.free-banner-content h2 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  margin-bottom: 1rem;
}

.free-banner-content p {
  color: var(--text-secondary);
  font-size: 1.125rem;
  line-height: 1.7;
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem;
  transition: all 0.3s;
}

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

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 217, 255, 0.1);
  border-radius: 12px;
  margin-bottom: 1.25rem;
}

.feature-icon svg {
  width: 24px;
  height: 24px;
  color: var(--accent-cyan);
}

.feature-card h3 {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
}

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

/* ========================================
   How It Works Section
   ======================================== */
.how-it-works {
  background: var(--bg-secondary);
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  max-width: 800px;
  margin: 0 auto;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2rem;
  align-items: start;
}

.step-number {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent-cyan);
  opacity: 0.3;
  line-height: 1;
}

.step-content h3 {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.step-content p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.step-highlight {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(57, 211, 83, 0.1);
  border: 1px solid rgba(57, 211, 83, 0.2);
  border-radius: 6px;
  color: var(--accent-green);
  font-size: 0.875rem;
  font-weight: 500;
}

.highlight-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.highlight-icon svg {
  width: 16px;
  height: 16px;
}

/* Code blocks */
.code-block {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  overflow-x: auto;
}

.code-block pre {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
}

.code-block code {
  color: var(--text-primary);
}

/* Syntax highlighting */
.code-keyword {
  color: var(--accent-purple);
}

.code-string {
  color: var(--accent-green);
}

.code-function {
  color: var(--accent-cyan);
}

.code-comment {
  color: var(--text-muted);
  font-style: italic;
}

.code-number {
  color: var(--accent-yellow);
}

.code-variable {
  color: var(--accent-red);
}

/* ========================================
   Integration Section
   ======================================== */
.integration-demo {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  overflow: hidden;
}

.code-tabs {
  display: flex;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.code-tab {
  flex: 1;
  padding: 1rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s;
  border-bottom: 2px solid transparent;
}

.code-tab:hover {
  color: var(--text-primary);
  background: rgba(0, 217, 255, 0.05);
}

.code-tab.active {
  color: var(--accent-cyan);
  border-bottom-color: var(--accent-cyan);
}

.code-panel {
  padding: 1.5rem;
}

.code-panel pre {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
  overflow-x: auto;
}

.code-panel.hidden {
  display: none;
}

/* Docs links */
.docs-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 3rem;
}

.docs-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-primary);
  transition: all 0.2s;
}

.docs-link:hover {
  border-color: var(--accent-cyan);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.docs-link svg {
  width: 20px;
  height: 20px;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.docs-link span {
  font-weight: 500;
  font-size: 0.9375rem;
}

/* ========================================
   Trust Section
   ======================================== */
.trust {
  background: var(--bg-secondary);
}

.trust-content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.trust-badges {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 3rem;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  transition: all 0.3s;
}

.trust-badge:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.trust-badge-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(0, 217, 255, 0.1);
  border-radius: 8px;
}

.trust-badge-icon svg {
  width: 20px;
  height: 20px;
  color: var(--accent-cyan);
}

.trust-badge span:last-child {
  font-weight: 500;
  color: var(--text-primary);
}

/* ========================================
   Support/Donation Section
   ======================================== */
.pricing {
  background: var(--bg-primary);
}

.donation-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.donation-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2rem 1.5rem;
  text-align: center;
  text-decoration: none;
  transition: all 0.3s;
  cursor: pointer;
  font-family: inherit;
  width: 100%;
}

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

.donation-card-featured {
  border-color: var(--accent-purple);
  box-shadow: 0 0 30px rgba(189, 147, 249, 0.2);
}

.donation-card-featured:hover {
  border-color: var(--accent-purple);
  box-shadow: 0 0 40px rgba(189, 147, 249, 0.3);
}

.donation-amount {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 0.5rem;
}

.donation-card-featured .donation-amount {
  color: var(--accent-purple);
}

.donation-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.donation-note {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 2rem;
}

.manifesto {
  font-size: 1.125rem;
  line-height: 1.8;
  max-width: 800px;
  margin: 3rem auto 0;
  text-align: center;
  color: var(--text-secondary);
}

/* ========================================
   Final CTA Section
   ======================================== */
.final-cta {
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.05) 0%, rgba(189, 147, 249, 0.05) 100%);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.final-cta-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.final-cta .section-description {
  margin-bottom: 2rem;
}

/* ========================================
   FAQ Section
   ======================================== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border-color);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 0;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
}

.faq-question span {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-primary);
}

.faq-question svg {
  width: 24px;
  height: 24px;
  color: var(--text-secondary);
  flex-shrink: 0;
  transition: transform 0.3s;
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding-bottom: 1.5rem;
}

.faq-answer p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
  background: var(--bg-secondary);
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 2.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
}

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

.contact-form .btn {
  margin-top: 0.5rem;
}

.form-note {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 1rem;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-color);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand {
  max-width: 280px;
}

.footer-brand .logo {
  margin-bottom: 1rem;
}

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

.footer-links h4 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

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

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

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  transition: color 0.2s;
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--bg-secondary);
  border-radius: 8px;
  color: var(--text-secondary);
  transition: all 0.2s;
}

.footer-social a:hover {
  background: var(--bg-tertiary);
  color: var(--accent-cyan);
}

.footer-social svg {
  width: 20px;
  height: 20px;
}

/* ========================================
   Responsive Styles
   ======================================== */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .donation-grid {
    grid-template-columns: repeat(2, 1fr);
    max-width: 500px;
  }
  
  .docs-links {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    gap: 2rem;
  }
}

@media (max-width: 640px) {
  .donation-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
  
  .donation-amount {
    font-size: 1.75rem;
  }
  
  .donation-card {
    padding: 1.5rem 1rem;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 4rem;
  }
  
  .hero-stats {
    gap: 1.5rem;
    justify-content: center;
  }
  
  .hero-stat-value {
    font-size: 1.5rem;
  }
  
  .trust-badges {
    gap: 1rem;
  }
  
  .trust-badge {
    flex: 1 1 calc(50% - 0.5rem);
    min-width: 140px;
  }
  
  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
  }
  
  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  .mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 2rem 0;
  }
  
  .hero-text {
    order: 1;
  }
  
  .hero-visual {
    order: 2;
    height: 250px;
    display: none;
  }
  
  .hero-logo-container {
    width: 200px;
    height: 200px;
  }
  
  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-cta {
    justify-content: center;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .step {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .step-number {
    font-size: 2rem;
  }
  
  .code-tabs {
    flex-wrap: wrap;
  }
  
  .code-tab {
    flex: none;
    padding: 0.75rem 1rem;
  }
  
  .docs-links {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-brand {
    max-width: none;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

/* ========================================
   Scrollbar
   ======================================== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ========================================
   Selection
   ======================================== */
::selection {
  background: rgba(0, 217, 255, 0.3);
  color: var(--text-primary);
}