/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #fff;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo {
  display: flex;
  align-items: center;
  font-size: 24px;
  font-weight: 700;
  color: #5f399d;
  text-decoration: none;
}

.logo-img {
  width: 32px;
  height: 32px;
  margin-right: 12px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-menu a {
  text-decoration: none;
  color: #64748b;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
  padding: 8px 16px;
  border-radius: 8px;
}

.nav-menu a:hover {
  color: #5f399d;
  background: rgba(95, 57, 157, 0.1);
  transform: translateY(-2px);
}

.nav-menu a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(45deg, #d992d7, #8996e9);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-menu a:hover::after {
  width: 80%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: #333;
  margin: 3px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  padding: 80px 0 60px;
  background: linear-gradient(
    135deg,
    #0f0f23 0%,
    #1a1a2e 25%,
    #16213e 50%,
    #5f399d 75%,
    #7a59b0 100%
  );
  color: white;
  overflow: hidden;
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(
      circle at 20% 80%,
      rgba(120, 89, 176, 0.3) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(95, 57, 157, 0.3) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 40% 40%,
      rgba(217, 146, 215, 0.2) 0%,
      transparent 50%
    );
  animation: gradientShift 8s ease-in-out infinite;
}

@keyframes gradientShift {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.8;
  }
}

.particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.particle {
  position: absolute;
  background: linear-gradient(45deg, #d992d7, #8996e9);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}

.particle:nth-child(1) {
  width: 4px;
  height: 4px;
  top: 20%;
  left: 10%;
  animation-delay: 0s;
  animation-duration: 8s;
}

.particle:nth-child(2) {
  width: 6px;
  height: 6px;
  top: 60%;
  left: 20%;
  animation-delay: 1s;
  animation-duration: 6s;
}

.particle:nth-child(3) {
  width: 3px;
  height: 3px;
  top: 30%;
  right: 15%;
  animation-delay: 2s;
  animation-duration: 7s;
}

.particle:nth-child(4) {
  width: 5px;
  height: 5px;
  top: 70%;
  right: 25%;
  animation-delay: 3s;
  animation-duration: 5s;
}

.particle:nth-child(5) {
  width: 4px;
  height: 4px;
  top: 40%;
  left: 50%;
  animation-delay: 4s;
  animation-duration: 9s;
}

.particle:nth-child(6) {
  width: 7px;
  height: 7px;
  top: 80%;
  left: 70%;
  animation-delay: 5s;
  animation-duration: 6s;
}

.particle:nth-child(7) {
  width: 3px;
  height: 3px;
  top: 10%;
  right: 40%;
  animation-delay: 6s;
  animation-duration: 8s;
}

.particle:nth-child(8) {
  width: 5px;
  height: 5px;
  top: 50%;
  left: 80%;
  animation-delay: 7s;
  animation-duration: 7s;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px) translateX(0px);
    opacity: 0.7;
  }
  25% {
    transform: translateY(-20px) translateX(10px);
    opacity: 1;
  }
  50% {
    transform: translateY(-10px) translateX(-5px);
    opacity: 0.8;
  }
  75% {
    transform: translateY(-30px) translateX(15px);
    opacity: 0.9;
  }
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  background: linear-gradient(45deg, #ffffff, #d992d7, #8996e9, #ffffff);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 3s ease-in-out infinite;
}

.gradient-text {
  background: linear-gradient(45deg, #d992d7, #8996e9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.1rem;
  margin-bottom: 28px;
  opacity: 0.9;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  margin-bottom: 36px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(45deg, #d992d7, #8996e9);
  color: white;
  box-shadow: 0 4px 15px rgba(217, 146, 215, 0.4);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.5s;
}

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

.btn-primary:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 8px 25px rgba(217, 146, 215, 0.6);
}

.btn-primary a {
  color: inherit;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  height: 100%;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
}

.btn-secondary a {
  color: inherit;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  height: 100%;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline {
  background: transparent;
  color: #5f399d;
  border: 2px solid #5f399d;
}

.btn-outline:hover {
  background: #5f399d;
  color: white;
}

.btn-outline a {
  color: inherit;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  height: 100%;
}

.btn-outline:hover a {
  color: white;
}

.hero-stats {
  display: flex;
  gap: 36px;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2.5rem;
  font-weight: 700;
  color: #d992d7;
}

.stat-label {
  font-size: 1rem;
  opacity: 0.8;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
}

.vpn-illustration {
  position: relative;
  width: 100%;
  height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-illustration {
  width: 100%;
  height: 100%;
  object-fit: contain;
  max-width: 600px;
  max-height: 520px;
}

/* Features Section */
.features {
  padding: 100px 0;
  background: #f8fafc;
}

.section-header {
  text-align: center;
  margin-bottom: 80px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 16px;
}

.section-description {
  font-size: 1.25rem;
  color: #64748b;
  max-width: 600px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
}

.feature-card {
  background: white;
  padding: 40px 32px;
  border-radius: 16px;
  text-align: center;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  border: 1px solid #e2e8f0;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(217, 146, 215, 0.05),
    rgba(137, 150, 233, 0.05)
  );
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.feature-card:hover {
  transform: translateY(-8px) rotate(1deg);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(45deg, #5f399d, #7a59b0);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.feature-icon i {
  font-size: 32px;
  color: white;
}

.feature-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: #1e293b;
  margin-bottom: 16px;
}

.feature-description {
  color: #64748b;
  line-height: 1.6;
}

/* Pricing Section */
.pricing {
  padding: 100px 0;
  background: white;
}

.pricing-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 60px;
}

.toggle-label {
  font-weight: 500;
  color: #64748b;
}

.discount {
  background: #10b981;
  color: white;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.875rem;
  margin-left: 8px;
}

.toggle {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 30px;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #cbd5e1;
  transition: 0.4s;
  border-radius: 30px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 22px;
  width: 22px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: 0.4s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: #5f399d;
}

input:checked + .slider:before {
  transform: translateX(30px);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 800px;
  margin: 0 auto;
}

.pricing-card {
  background: white;
  border: 2px solid #e2e8f0;
  border-radius: 20px;
  padding: 40px 32px;
  text-align: center;
  position: relative;
  transition: all 0.3s ease;
  overflow: hidden;
}

.pricing-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #d992d7, #8996e9, #5f399d);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.pricing-card:hover::before {
  transform: scaleX(1);
}

.pricing-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  border-color: #d992d7;
}

.pricing-card.featured {
  border-color: #5f399d;
  transform: scale(1.05);
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
}

.pricing-card.featured::before {
  transform: scaleX(1);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(45deg, #5f399d, #7a59b0);
  color: white;
  padding: 8px 24px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
}

.plan-name {
  font-size: 1.5rem;
  font-weight: 600;
  color: #1e293b;
  margin-bottom: 16px;
}

.plan-price {
  margin-bottom: 32px;
}

.price {
  font-size: 3rem;
  font-weight: 700;
  color: #1e293b;
}

.currency {
  font-size: 1.5rem;
  color: #64748b;
}

.period {
  color: #64748b;
  font-size: 1rem;
}

.plan-features {
  list-style: none;
  margin-bottom: 32px;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  color: #64748b;
}

.plan-features i {
  color: #10b981;
  font-size: 16px;
}

/* FAQ Section */
.faq {
  padding: 100px 0;
  background: #f8fafc;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: white;
  border-radius: 12px;
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

.faq-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  border-color: #d992d7;
}

.faq-question {
  padding: 24px 32px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s ease;
  position: relative;
}

.faq-question::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(45deg, #d992d7, #8996e9);
  transform: scaleY(0);
  transition: transform 0.3s ease;
}

.faq-question:hover::before {
  transform: scaleY(1);
}

.faq-question:hover {
  background: linear-gradient(
    135deg,
    rgba(217, 146, 215, 0.05),
    rgba(137, 150, 233, 0.05)
  );
}

.faq-question h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: #1e293b;
}

.faq-question i {
  color: #5f399d;
  transition: transform 0.3s ease;
}

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

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

.faq-item.active .faq-answer {
  max-height: 200px;
}

.faq-answer p {
  padding: 0 32px 24px;
  color: #64748b;
  line-height: 1.6;
}

/* Contact Section */
.contact {
  padding: 100px 0;
  background: white;
}

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

.contact-methods {
  margin-top: 40px;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 32px;
}

.contact-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(45deg, #5f399d, #7a59b0);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-icon i {
  font-size: 24px;
  color: white;
}

.contact-details h4 {
  font-size: 1.125rem;
  font-weight: 600;
  color: #1e293b;
  margin-bottom: 4px;
}

.contact-details p {
  color: #64748b;
}

/* Footer */
.footer {
  background: #1e293b;
  color: white;
  padding: 60px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo {
  display: flex;
  align-items: center;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-logo .logo-img {
  width: 28px;
  height: 28px;
  margin-right: 12px;
}

.footer-description {
  color: #94a3b8;
  margin-bottom: 24px;
  line-height: 1.6;
}

.social-links {
  display: flex;
  gap: 16px;
}

.social-links a {
  width: 40px;
  height: 40px;
  background: #334155;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  transition: background-color 0.3s ease;
}

.social-links a:hover {
  background: #5f399d;
}

.footer-section h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 20px;
}

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

.footer-section ul li {
  margin-bottom: 12px;
}

.footer-section ul li a {
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid #334155;
  padding-top: 20px;
  text-align: center;
  color: #94a3b8;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background: white;
    flex-direction: column;
    justify-content: start;
    align-items: center;
    padding-top: 50px;
    transition: left 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-stats {
    justify-content: center;
    gap: 32px;
  }

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

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
  }

  .pricing-card.featured {
    transform: none;
  }

  .contact-content {
    flex-direction: column;
    text-align: center;
  }

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

  .section-title {
    font-size: 2rem;
  }

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

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

  .hero {
    padding: 100px 0 60px;
  }

  .hero-title {
    font-size: 1.6rem;
  }

  .hero-description {
    font-size: 1rem;
  }

  .btn {
    padding: 12px 24px;
    font-size: 14px;
  }

  .feature-card,
  .pricing-card {
    padding: 24px 20px;
  }

  .contact-form {
    padding: 24px;
  }
}

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

.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

/* Smooth scrolling for anchor links */
html {
  scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}