/* ============================================
   Orbit VPN Landing Page — Design System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* --- CSS Variables / Design Tokens --- */
:root {
  --color-bg-deep: #050A1A;
  --color-bg-primary: #0B1026;
  --color-bg-card: #0F1535;
  --color-bg-card-hover: #141B42;
  --color-accent-purple: #6C3CE1;
  --color-accent-purple-light: #8B5CF6;
  --color-accent-cyan: #00D4FF;
  --color-accent-cyan-dim: #0097B2;
  --color-accent-blue: #3B82F6;
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #A0AEC0;
  --color-text-muted: #64748B;
  --color-border: rgba(108, 60, 225, 0.15);
  --color-glow-purple: rgba(108, 60, 225, 0.3);
  --color-glow-cyan: rgba(0, 212, 255, 0.2);
  --gradient-hero: linear-gradient(135deg, #050A1A 0%, #0B1026 30%, #1A0F3C 70%, #0B1026 100%);
  --gradient-button: linear-gradient(135deg, #6C3CE1 0%, #3B82F6 50%, #00D4FF 100%);
  --gradient-button-hover: linear-gradient(135deg, #7C4CF1 0%, #4B92FF 50%, #10E4FF 100%);
  --gradient-card: linear-gradient(145deg, rgba(15, 21, 53, 0.8), rgba(20, 27, 66, 0.4));
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3), 0 1px 4px rgba(108, 60, 225, 0.1);
  --shadow-glow: 0 0 40px rgba(108, 60, 225, 0.15), 0 0 80px rgba(0, 212, 255, 0.08);
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-medium: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  text-decoration: none;
  color: inherit;
}

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

ul, ol {
  list-style: none;
}

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-accent-cyan);
  margin-bottom: 16px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--color-accent-cyan);
  border-radius: 2px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #FFFFFF 30%, var(--color-accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  line-height: 1.7;
}

/* --- Animated Background Canvas --- */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition-medium);
}

.nav.scrolled {
  background: rgba(5, 10, 26, 0.85);
  backdrop-filter: blur(20px) saturate(1.8);
  -webkit-backdrop-filter: blur(20px) saturate(1.8);
  border-bottom: 1px solid var(--color-border);
  padding: 10px 0;
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--color-text-primary);
}

.nav-logo img {
  width: 38px;
  height: 38px;
  filter: drop-shadow(0 0 8px var(--color-glow-cyan));
}

.nav-logo span {
  background: linear-gradient(90deg, #fff 40%, var(--color-accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

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

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

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

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: var(--gradient-button);
  color: #fff;
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(108, 60, 225, 0.3);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(108, 60, 225, 0.5);
}

.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  background: none;
  border: none;
}

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

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(108, 60, 225, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(60px);
  animation: pulse-glow 6s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(80px);
  animation: pulse-glow 8s ease-in-out infinite reverse;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.1); }
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  animation: fadeInUp 1s ease-out;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(108, 60, 225, 0.12);
  border: 1px solid rgba(108, 60, 225, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-accent-purple-light);
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
}

.hero-badge svg {
  width: 16px;
  height: 16px;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5.5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.08;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, var(--color-accent-purple-light) 0%, var(--color-accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: 40px;
  max-width: 480px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 36px;
  background: var(--gradient-button);
  color: #fff;
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: var(--transition-medium);
  box-shadow: 0 8px 32px rgba(108, 60, 225, 0.35);
  position: relative;
  overflow: hidden;
}

.btn-download::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  transition: 0.6s;
}

.btn-download:hover::before {
  left: 100%;
}

.btn-download:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 44px rgba(108, 60, 225, 0.5);
}

.btn-download svg {
  width: 22px;
  height: 22px;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  background: transparent;
  color: var(--color-text-primary);
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255,255,255,0.15);
  cursor: pointer;
  transition: var(--transition-fast);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  border-color: var(--color-accent-cyan);
  background: rgba(0, 212, 255, 0.05);
  color: var(--color-accent-cyan);
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

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

.hero-stat-value {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-text-primary);
  line-height: 1;
  margin-bottom: 4px;
}

.hero-stat-value .accent {
  color: var(--color-accent-cyan);
}

.hero-stat-label {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInRight 1s ease-out 0.3s both;
}

.hero-phone-wrapper {
  position: relative;
  z-index: 2;
}

.hero-phone-wrapper img {
  width: 100%;
  max-width: 540px;
  border-radius: var(--radius-lg);
  filter: drop-shadow(0 20px 60px rgba(0, 0, 0, 0.4));
}

.hero-orbit-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 110%;
  height: 110%;
  border: 1px solid rgba(108, 60, 225, 0.15);
  border-radius: 50%;
  animation: orbit-rotate 20s linear infinite;
}

.hero-orbit-ring::before {
  content: '';
  position: absolute;
  top: -5px;
  left: 50%;
  width: 10px;
  height: 10px;
  background: var(--color-accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 15px var(--color-accent-cyan), 0 0 30px var(--color-glow-cyan);
}

.hero-orbit-ring-2 {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 130%;
  height: 130%;
  border: 1px solid rgba(0, 212, 255, 0.08);
  border-radius: 50%;
  animation: orbit-rotate 30s linear infinite reverse;
}

@keyframes orbit-rotate {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Floating Elements around hero */
.floating-element {
  position: absolute;
  border-radius: var(--radius-md);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  backdrop-filter: blur(20px);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 5;
  box-shadow: var(--shadow-card);
  animation: float 4s ease-in-out infinite;
}

.floating-element.el-1 {
  top: 10%;
  right: -5%;
  animation-delay: 0s;
}

.floating-element.el-2 {
  bottom: 15%;
  left: -5%;
  animation-delay: 1.5s;
}

.floating-element .icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.floating-element .icon.green {
  background: rgba(16, 185, 129, 0.15);
  color: #10B981;
}

.floating-element .icon.blue {
  background: rgba(59, 130, 246, 0.15);
  color: #3B82F6;
}

.floating-element .info {
  display: flex;
  flex-direction: column;
}

.floating-element .info-label {
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

.floating-element .info-value {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}

/* --- Features Section --- */
.features {
  padding: 100px 0;
  position: relative;
  z-index: 1;
}

.features-header {
  text-align: center;
  margin-bottom: 64px;
}

.features-header .section-subtitle {
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  position: relative;
  padding: 36px 30px;
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: var(--transition-medium);
  overflow: hidden;
  cursor: default;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient-button);
  opacity: 0;
  transition: var(--transition-fast);
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: rgba(108, 60, 225, 0.3);
  box-shadow: var(--shadow-glow);
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.5rem;
  position: relative;
}

.feature-icon.purple {
  background: rgba(108, 60, 225, 0.12);
  color: var(--color-accent-purple-light);
}

.feature-icon.cyan {
  background: rgba(0, 212, 255, 0.1);
  color: var(--color-accent-cyan);
}

.feature-icon.blue {
  background: rgba(59, 130, 246, 0.12);
  color: var(--color-accent-blue);
}

.feature-icon svg {
  width: 26px;
  height: 26px;
}

.feature-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
}

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

/* --- How It Works Section --- */
.how-it-works {
  padding: 100px 0;
  position: relative;
  z-index: 1;
}

.how-it-works-header {
  text-align: center;
  margin-bottom: 64px;
}

.how-it-works-header .section-subtitle {
  margin: 0 auto;
}

.steps-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}

.steps-container::before {
  content: '';
  position: absolute;
  top: 44px;
  left: 16%;
  right: 16%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent-purple), var(--color-accent-cyan), transparent);
  opacity: 0.3;
}

.step-card {
  text-align: center;
  position: relative;
}

.step-number {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 28px;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  background: var(--gradient-card);
  border: 2px solid var(--color-border);
  color: var(--color-accent-cyan);
  position: relative;
  z-index: 2;
  transition: var(--transition-medium);
}

.step-card:hover .step-number {
  border-color: var(--color-accent-cyan);
  box-shadow: 0 0 30px var(--color-glow-cyan);
}

.step-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  max-width: 280px;
  margin: 0 auto;
}

/* --- Servers / Global Coverage Section --- */
.servers {
  padding: 100px 0;
  position: relative;
  z-index: 1;
}

.servers .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.servers-visual {
  position: relative;
}

.globe-wrapper {
  position: relative;
  width: 100%;
  max-width: 450px;
  margin: 0 auto;
}

.globe-wrapper img {
  width: 100%;
  animation: globe-float 6s ease-in-out infinite;
  filter: drop-shadow(0 0 40px rgba(59, 130, 246, 0.2));
}

@keyframes globe-float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(2deg); }
}

.server-locations {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 36px;
}

.server-loc {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: var(--transition-fast);
}

.server-loc:hover {
  border-color: rgba(0, 212, 255, 0.3);
  background: var(--color-bg-card-hover);
}

.server-loc .flag {
  font-size: 1.3rem;
}

.server-loc-info {
  display: flex;
  flex-direction: column;
}

.server-loc-name {
  font-size: 0.85rem;
  font-weight: 600;
}

.server-loc-ping {
  font-size: 0.72rem;
  color: #10B981;
}

/* --- Testimonials / Trust --- */
.trust {
  padding: 100px 0;
  position: relative;
  z-index: 1;
}

.trust-header {
  text-align: center;
  margin-bottom: 64px;
}

.trust-header .section-subtitle {
  margin: 0 auto;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.trust-card {
  padding: 32px 28px;
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: var(--transition-medium);
}

.trust-card:hover {
  transform: translateY(-4px);
  border-color: rgba(108, 60, 225, 0.3);
}

.trust-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  color: #FBBF24;
  font-size: 0.9rem;
}

.trust-text {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

.trust-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.trust-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-button);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: #fff;
}

.trust-name {
  font-size: 0.88rem;
  font-weight: 600;
}

.trust-role {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* --- CTA Section --- */
.cta-section {
  padding: 100px 0;
  position: relative;
  z-index: 1;
}

.cta-box {
  position: relative;
  padding: 72px 60px;
  background: linear-gradient(135deg, rgba(108, 60, 225, 0.15) 0%, rgba(0, 212, 255, 0.08) 100%);
  border: 1px solid rgba(108, 60, 225, 0.2);
  border-radius: var(--radius-xl);
  text-align: center;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 40%, rgba(108, 60, 225, 0.1), transparent 50%),
              radial-gradient(circle at 70% 60%, rgba(0, 212, 255, 0.08), transparent 50%);
  animation: cta-bg-move 10s ease-in-out infinite;
}

@keyframes cta-bg-move {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-3%, -3%); }
}

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

.cta-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.2;
}

.cta-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: 36px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* --- Footer --- */
.footer {
  padding: 60px 0 30px;
  border-top: 1px solid var(--color-border);
  position: relative;
  z-index: 1;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr repeat(2, 1fr);
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand {
  max-width: 300px;
}

.footer-brand .nav-logo {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 18px;
  color: var(--color-text-primary);
}

.footer-col a {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  padding: 5px 0;
  transition: var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-accent-cyan);
  transform: translateX(4px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.footer-socials {
  display: flex;
  gap: 16px;
}

.footer-socials a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: var(--transition-fast);
}

.footer-socials a:hover {
  background: var(--color-accent-purple);
  border-color: var(--color-accent-purple);
  color: #fff;
  transform: translateY(-2px);
}

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

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Scroll Animations */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* --- Mobile Menu --- */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 360px;
  height: 100vh;
  background: rgba(11, 16, 38, 0.98);
  backdrop-filter: blur(30px);
  z-index: 2000;
  padding: 80px 32px 40px;
  transition: var(--transition-medium);
  border-left: 1px solid var(--color-border);
}

.mobile-menu.active {
  right: 0;
}

.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1999;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-fast);
}

.mobile-menu-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu .close-btn {
  position: absolute;
  top: 24px;
  right: 24px;
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition-fast);
}

.mobile-menu .close-btn:hover {
  background: rgba(255,255,255,0.05);
}

.mobile-menu nav {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.mobile-menu nav a {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition-fast);
}

.mobile-menu nav a:hover {
  color: var(--color-accent-cyan);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-content {
    order: 1;
  }

  .hero-visual {
    order: 2;
    margin-top: 40px;
  }

  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .servers .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .servers-content .section-subtitle {
    margin: 0 auto 20px;
  }

  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }

  .floating-element {
    display: none;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-cta.desktop {
    display: none;
  }

  .nav-mobile-toggle {
    display: flex;
  }

  .hero {
    padding: 100px 0 60px;
    min-height: auto;
  }

  .hero-title {
    font-size: clamp(2.2rem, 8vw, 3rem);
  }

  .hero-phone-wrapper img {
    max-width: 380px;
  }

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

  .features-grid,
  .steps-container,
  .trust-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .steps-container::before {
    display: none;
  }

  .server-locations {
    grid-template-columns: 1fr;
    max-width: 320px;
    margin: 36px auto 0;
  }

  .cta-box {
    padding: 48px 28px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-brand {
    max-width: 100%;
  }

  .footer-brand .nav-logo {
    justify-content: center;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .hero-orbit-ring,
  .hero-orbit-ring-2 {
    display: none;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .btn-download,
  .btn-secondary {
    width: 100%;
    justify-content: center;
  }

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