/* ============================================
   PufProxy — Growtopia Proxy Site
   Design System & Styles
   ============================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Orbitron:wght@400;500;600;700;800;900&display=swap');

/* ---------- CSS Variables ---------- */
:root {
  /* Colors */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: rgba(20, 20, 35, 0.6);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --border-glass: rgba(255, 255, 255, 0.08);

  --neon-green: #00ff88;
  --neon-green-dim: rgba(0, 255, 136, 0.15);
  --neon-purple: #a855f7;
  --neon-purple-dim: rgba(168, 85, 247, 0.15);
  --neon-blue: #3b82f6;
  --neon-cyan: #06b6d4;

  --text-primary: #f0f0f5;
  --text-secondary: #8888a0;
  --text-muted: #55556a;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, var(--neon-green), var(--neon-purple));
  --gradient-card: linear-gradient(135deg, rgba(0, 255, 136, 0.05), rgba(168, 85, 247, 0.05));
  --gradient-btn: linear-gradient(135deg, #00ff88, #00cc6a);
  --gradient-btn-secondary: linear-gradient(135deg, rgba(168, 85, 247, 0.2), rgba(59, 130, 246, 0.2));

  /* Shadows */
  --glow-green: 0 0 20px rgba(0, 255, 136, 0.3), 0 0 60px rgba(0, 255, 136, 0.1);
  --glow-purple: 0 0 20px rgba(168, 85, 247, 0.3), 0 0 60px rgba(168, 85, 247, 0.1);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Orbitron', monospace;

  /* Spacing */
  --section-padding: 100px 0;
  --container-width: 1200px;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 24px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

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

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition-fast);
}

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

/* ---------- Utility ---------- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--neon-green-dim);
  border: 1px solid rgba(0, 255, 136, 0.2);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--neon-green);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 20px;
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 16px;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.8;
}

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

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  padding: 10px 0;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-btn);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: var(--glow-green);
}

.nav-logo-text {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
}

.nav-logo-text span {
  color: var(--neon-green);
}

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

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--neon-green);
  transition: width var(--transition-normal);
  border-radius: 2px;
}

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

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  padding: 8px 20px !important;
  background: var(--gradient-btn);
  color: var(--bg-primary) !important;
  border-radius: var(--radius-sm);
  font-weight: 700 !important;
  font-size: 0.85rem !important;
  letter-spacing: 0.5px;
  transition: all var(--transition-normal) !important;
  box-shadow: 0 0 15px rgba(0, 255, 136, 0.2);
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-green) !important;
  color: var(--bg-primary) !important;
}

/* Mobile menu toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

#particles-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.4;
  pointer-events: none;
}

.hero-glow-1 {
  width: 500px;
  height: 500px;
  background: var(--neon-green);
  top: -150px;
  right: -100px;
  opacity: 0.08;
}

.hero-glow-2 {
  width: 400px;
  height: 400px;
  background: var(--neon-purple);
  bottom: -100px;
  left: -100px;
  opacity: 0.1;
}

.hero-glow-3 {
  width: 300px;
  height: 300px;
  background: var(--neon-blue);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0.05;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 100px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  backdrop-filter: blur(10px);
  animation: fadeInDown 0.8s ease forwards;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: var(--neon-green);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 24px;
  animation: fadeInUp 0.8s ease 0.1s forwards;
  opacity: 0;
}

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

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 550px;
  margin: 0 auto 40px;
  line-height: 1.7;
  animation: fadeInUp 0.8s ease 0.2s forwards;
  opacity: 0;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s ease 0.3s forwards;
  opacity: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-btn);
  color: var(--bg-primary);
  box-shadow: 0 0 20px rgba(0, 255, 136, 0.25);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--glow-green);
}

.btn-primary:active {
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--gradient-btn-secondary);
  color: var(--text-primary);
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.btn-secondary:hover {
  transform: translateY(-3px);
  border-color: var(--neon-purple);
  box-shadow: var(--glow-purple);
}

.btn-icon {
  font-size: 1.2rem;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  margin-top: 64px;
  animation: fadeInUp 0.8s ease 0.4s forwards;
  opacity: 0;
}

.hero-stat {
  text-align: center;
}

.hero-stat-value {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--neon-green);
  margin-bottom: 4px;
}

.hero-stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ---------- Features Section ---------- */
.features {
  padding: var(--section-padding);
  position: relative;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-top: 56px;
}

.feature-card {
  position: relative;
  padding: 36px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-hero);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 255, 136, 0.2);
  box-shadow: var(--shadow-card), 0 0 40px rgba(0, 255, 136, 0.05);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.feature-icon.green {
  background: var(--neon-green-dim);
  box-shadow: 0 0 20px rgba(0, 255, 136, 0.1);
}

.feature-icon.purple {
  background: var(--neon-purple-dim);
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.1);
}

.feature-icon.blue {
  background: rgba(59, 130, 246, 0.15);
  box-shadow: 0 0 20px rgba(59, 130, 246, 0.1);
}

.feature-icon.cyan {
  background: rgba(6, 182, 212, 0.15);
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.1);
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ---------- Setup / How To Section ---------- */
.setup {
  padding: var(--section-padding);
  position: relative;
}

.setup-steps {
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-top: 56px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.setup-step {
  display: flex;
  gap: 24px;
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: all var(--transition-normal);
  position: relative;
}

.setup-step:hover {
  border-color: rgba(0, 255, 136, 0.15);
  transform: translateX(8px);
}

.step-number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-btn);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--bg-primary);
  box-shadow: var(--glow-green);
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.step-content p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.step-content code {
  display: inline-block;
  padding: 2px 10px;
  margin-top: 8px;
  background: rgba(0, 255, 136, 0.08);
  border: 1px solid rgba(0, 255, 136, 0.15);
  border-radius: var(--radius-sm);
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  color: var(--neon-green);
}

/* Connector line between steps */
.setup-step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 55px;
  bottom: -32px;
  width: 2px;
  height: 32px;
  background: linear-gradient(to bottom, var(--neon-green), transparent);
  opacity: 0.3;
}

/* ---------- FAQ Section ---------- */
.faq {
  padding: var(--section-padding);
}

.faq-list {
  max-width: 750px;
  margin: 56px auto 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.faq-item:hover {
  border-color: rgba(0, 255, 136, 0.12);
}

.faq-item.active {
  border-color: rgba(0, 255, 136, 0.2);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

.faq-question:hover {
  background: rgba(255, 255, 255, 0.02);
}

.faq-question h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.faq-toggle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--neon-green-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--neon-green);
  transition: all var(--transition-normal);
  flex-shrink: 0;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
  background: var(--neon-green);
  color: var(--bg-primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-answer p {
  padding: 0 24px 20px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ---------- CTA Section ---------- */
.cta-section {
  padding: 80px 0 100px;
}

.cta-box {
  position: relative;
  padding: 64px 48px;
  background: var(--gradient-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  text-align: center;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon-green), transparent);
}

.cta-box h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.cta-box p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto 32px;
  line-height: 1.7;
}

.cta-box .hero-actions {
  animation: none;
  opacity: 1;
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border-glass);
  padding: 40px 0;
}

.footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
}

.footer-logo span {
  color: var(--neon-green);
}

.footer-divider {
  width: 1px;
  height: 16px;
  background: var(--text-muted);
}

.footer-copy {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

/* ---------- Scroll Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.7s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Animations ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse-dot {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(0, 255, 136, 0.4);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(0, 255, 136, 0);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-15px);
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 15, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 24px;
    z-index: 999;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: 1.2rem;
  }

  .nav-toggle {
    display: flex;
    z-index: 1001;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .section-title {
    font-size: 1.8rem;
  }

  .hero-stats {
    gap: 24px;
    flex-wrap: wrap;
  }

  .hero-stat-value {
    font-size: 1.4rem;
  }

  .setup-step {
    flex-direction: column;
    gap: 16px;
    padding: 24px;
  }

  .setup-step:not(:last-child)::after {
    display: none;
  }

  .cta-box {
    padding: 40px 24px;
  }

  .cta-box h2 {
    font-size: 1.5rem;
  }

  .footer .container {
    flex-direction: column;
    text-align: center;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }
}