:root {
  --color-bg-primary: #0f172a;
  --color-bg-secondary: #1e293b;
  --color-text-primary: #f1f5f9;
  --color-text-secondary: #94a3b8;
  --color-accent: #22c55e;
  --color-accent-dark: #16a34a;
  --color-border: rgba(148, 163, 184, 0.1);
  
  --font-primary: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  --radius-sm: 0.5rem;
  --radius-md: 1rem;
  --radius-lg: 1.5rem;
  --radius-xl: 2rem;
  
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background: linear-gradient(-45deg, #0f172a, #1e293b, #0f172a, #1e3a5f);
  background-size: 400% 400%;
  animation: gradient-shift 15s ease infinite;
  color: var(--color-text-primary);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(34, 197, 94, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 197, 94, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Animations */
@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

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

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(34, 197, 94, 0.3); }
  50% { box-shadow: 0 0 40px rgba(34, 197, 94, 0.6); }
}

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

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

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  backdrop-filter: blur(12px);
  background: rgba(15, 23, 42, 0.7);
  border-bottom: 1px solid var(--color-border);
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 2.5rem;
  height: 2.5rem;
  background: linear-gradient(135deg, var(--color-accent), #10b981);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-icon svg {
  width: 1.5rem;
  height: 1.5rem;
  color: white;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.025em;
}

.logo-highlight {
  color: var(--color-accent);
}

.btn-cloud {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  background: var(--color-accent);
  color: var(--color-bg-primary);
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: var(--transition);
  animation: pulse-glow 2s ease-in-out infinite;
}

.btn-cloud:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
}

.btn-cloud svg {
  width: 1.25rem;
  height: 1.25rem;
}

/* Hero Section */
.hero {
  padding-top: 8rem;
  padding-bottom: 5rem;
  text-align: center;
  position: relative;
  z-index: 1;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid var(--color-border);
  border-radius: 9999px;
  margin-bottom: 2rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.status-indicator {
  width: 0.5rem;
  height: 0.5rem;
  background: var(--color-accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

.hero-title {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: linear-gradient(90deg, #22c55e, #10b981, #14b8a6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 3vw, 1.5rem);
  color: var(--color-text-secondary);
  max-width: 42rem;
  margin: 0 auto 3rem;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.btn-primary,
.btn-secondary,
.btn-author {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  border-radius: var(--radius-lg);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(90deg, var(--color-accent), #10b981);
  color: var(--color-bg-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 40px rgba(34, 197, 94, 0.3);
}

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

.btn-secondary:hover {
  background: rgba(30, 41, 59, 0.8);
  transform: translateY(-2px);
}

.btn-primary svg,
.btn-secondary svg,
.btn-author svg {
  width: 1.5rem;
  height: 1.5rem;
}

/* Services Section */
.services {
  padding: 5rem 0;
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: clamp(2rem, 5vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 40rem;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: rgba(30, 41, 59, 0.5);
  backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card-glow {
  position: absolute;
  top: 0;
  right: 0;
  width: 8rem;
  height: 8rem;
  background: radial-gradient(circle, var(--card-color, #22c55e) 0%, transparent 70%);
  opacity: 0.1;
  border-radius: 50%;
  filter: blur(40px);
}

.card-content {
  position: relative;
  z-index: 1;
}

.service-icon {
  width: 3.5rem;
  height: 3.5rem;
  background: linear-gradient(135deg, var(--card-color, #22c55e), color-mix(in srgb, var(--card-color, #22c55e) 80%, black));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.service-icon svg {
  width: 2rem;
  height: 2rem;
  color: white;
}

.service-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.service-description {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.tag {
  padding: 0.25rem 0.5rem;
  background: color-mix(in srgb, var(--card-color, #22c55e) 20%, transparent);
  color: color-mix(in srgb, var(--card-color, #22c55e) 100%, white 30%);
  font-size: 0.75rem;
  border-radius: var(--radius-sm);
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--card-color, #22c55e);
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
}

.service-link:not(.disabled):not(.active):hover {
  color: color-mix(in srgb, var(--card-color, #22c55e) 80%, white);
}

.service-link.disabled {
  color: var(--color-text-secondary);
  cursor: not-allowed;
}

.service-link.active {
  color: var(--color-accent);
}

.service-link svg {
  width: 1rem;
  height: 1rem;
}

/* Why Self-Host Section */
.why-section {
  padding: 5rem 0;
  background: rgba(15, 23, 42, 0.5);
  position: relative;
  z-index: 1;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.benefit-item {
  text-align: center;
  padding: 1.5rem;
}

.benefit-icon {
  --icon-color: #22c55e;
  width: 4rem;
  height: 4rem;
  margin: 0 auto 1rem;
  background: color-mix(in srgb, var(--icon-color) 20%, transparent);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
}

.benefit-icon svg {
  width: 2rem;
  height: 2rem;
  color: var(--icon-color);
}

.benefit-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.benefit-description {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Author Section */
.author-section {
  padding: 5rem 0;
  position: relative;
  z-index: 1;
}

.author-card {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.8), rgba(15, 23, 42, 0.8));
  backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 3rem;
  max-width: 56rem;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.author-bg {
  position: absolute;
  top: 0;
  right: 0;
  width: 16rem;
  height: 16rem;
  background: radial-gradient(circle, rgba(34, 197, 94, 0.05), transparent);
  border-radius: 50%;
  filter: blur(60px);
}

.author-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  position: relative;
  z-index: 1;
}

.author-avatar {
  width: 8rem;
  height: 8rem;
  background: linear-gradient(135deg, var(--color-accent), #10b981);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

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

.author-label {
  color: var(--color-accent);
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-mono);
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

.author-name {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.author-bio {
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
  max-width: 32rem;
  margin-left: auto;
  margin-right: auto;
}

.btn-author {
  background: rgba(51, 65, 85, 1);
  color: var(--color-text-primary);
}

.btn-author:hover {
  background: rgba(51, 65, 85, 0.8);
  transform: translateY(-2px);
}

/* Footer */
.footer {
  padding: 3rem 0;
  border-top: 1px solid var(--color-border);
  position: relative;
  z-index: 1;
}

.vpn-section {
  margin-bottom: 3rem;
}

.vpn-title {
  text-align: center;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
}

.vpn-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.vpn-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--color-text-primary);
  transition: var(--transition);
}

.vpn-card:hover {
  background: rgba(30, 41, 59, 0.7);
  transform: translateY(-2px);
}

.vpn-flag {
  font-size: 2rem;
  line-height: 1;
}

.vpn-name {
  font-weight: 600;
  font-size: 0.875rem;
}

.vpn-url {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.vpn-arrow {
  width: 1rem;
  height: 1rem;
  color: var(--color-text-secondary);
  margin-left: 0.5rem;
}

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

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-copyright {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

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

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

/* Responsive Design */
@media (min-width: 640px) {
  .author-content {
    flex-direction: row;
    text-align: left;
  }
  
  .author-info {
    text-align: left;
  }
}

@media (max-width: 768px) {
  .hero {
    padding-top: 6rem;
    padding-bottom: 3rem;
  }
  
  .services,
  .why-section,
  .author-section {
    padding: 3rem 0;
  }
  
  .section-header {
    margin-bottom: 2rem;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .author-card {
    padding: 2rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}