/* style.css */
:root {
  --primary-color: #3b82f6;
  --primary-hover: #2563eb;
  --secondary-color: #1e293b;
  --background-color: #f8fafc;
  --text-color: #334155;
  --text-light: #64748b;
  --white: #ffffff;
  --border-color: #e2e8f0;
  --accent-color: #f59e0b;
  --success-color: #10b981;
}

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

html {
  scroll-behavior: smooth;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

body {
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
}

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

ul {
  list-style: none;
}

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

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  padding: 15px 0;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-links {
  display: flex;
  gap: 30px;
}

.nav-links a {
  font-weight: 500;
  color: var(--secondary-color);
  transition: color 0.3s;
}

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

.nav-cta {
  display: flex;
  gap: 15px;
  align-items: center;
}

.btn {
  display: inline-block;
  padding: 10px 24px;
  border-radius: 8px;
  font-weight: 600;
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-login {
  color: var(--secondary-color);
}

.btn-login:hover {
  color: var(--primary-color);
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--white);
  box-shadow: 0 4px 6px rgba(59, 130, 246, 0.2);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  color: var(--white);
}

.menu-toggle {
  display: none;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding: 150px 0 80px;
  text-align: center;
  background: linear-gradient(135deg, #f0f4ff 0%, #ffffff 100%);
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  color: var(--secondary-color);
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-light);
  max-width: 700px;
  margin: 0 auto 30px;
}

.discount-badge {
  display: inline-block;
  background-color: #fee2e2;
  color: #ef4444;
  padding: 6px 16px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 30px;
}

.hero-cta .btn {
  padding: 14px 40px;
  font-size: 1.1rem;
}

/* Section Titles */
.section-title {
  text-align: center;
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--secondary-color);
  margin-bottom: 50px;
}

/* Features (Dynamic Cards) */
.features {
  padding: 80px 0;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.card {
  background: var(--white);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s;
}

.card:hover {
  transform: translateY(-5px);
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.card h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: var(--secondary-color);
}

.card p {
  color: var(--text-light);
}

/* Pricing Section */
.pricing {
  padding: 80px 0;
  background-color: #f1f5f9;
}

.pricing-card {
  background: var(--white);
  padding: 40px 30px;
  border-radius: 16px;
  text-align: center;
  position: relative;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
}

.pricing-card.highlight {
  border: 2px solid var(--primary-color);
  transform: scale(1.05);
}

.badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-color);
  color: #fff;
  padding: 5px 15px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
}

.pricing-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 15px;
}

.price {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--secondary-color);
  margin-bottom: 20px;
}

.price span {
  font-size: 1rem;
  color: var(--text-light);
  font-weight: 400;
}

.pricing-features {
  margin-bottom: 30px;
  text-align: left;
  flex-grow: 1;
}

.pricing-features li {
  margin-bottom: 10px;
  color: var(--text-color);
  display: flex;
  align-items: center;
  gap: 10px;
}

.pricing-features li::before {
  content: '✓';
  color: var(--success-color);
  font-weight: bold;
}

/* Platforms */
.platforms {
  padding: 80px 0;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.platform-card {
  text-align: center;
  padding: 30px;
  background: var(--white);
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.platform-card h3 {
  margin: 15px 0;
}

/* Why Choose */
.why-choose {
  padding: 80px 0;
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  color: var(--white);
}

.why-choose .section-title {
  color: var(--white);
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 800px;
  margin: 0 auto;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  background: rgba(255, 255, 255, 0.1);
  padding: 20px;
  border-radius: 10px;
}

.feature-icon {
  font-size: 1.5rem;
}

.feature-content h3 {
  font-size: 1.2rem;
  margin-bottom: 5px;
}

.feature-content p {
  color: #cbd5e1;
}

/* CTA Section */
.bottom-cta {
  padding: 100px 0;
  text-align: center;
  background-color: var(--primary-color);
  color: var(--white);
}

.bottom-cta h2 {
  font-size: 2.5rem;
  margin-bottom: 30px;
}

.bottom-cta .btn {
  background-color: var(--white);
  color: var(--primary-color);
  font-size: 1.2rem;
  padding: 15px 50px;
}

.bottom-cta .btn:hover {
  background-color: #f8fafc;
}

/* Testimonials */
.testimonials {
  padding: 80px 0;
  overflow: hidden;
}

.marquee-container {
  display: flex;
  width: 200%;
  animation: marquee 20s linear infinite;
}

.marquee-container:hover {
  animation-play-state: paused;
}

.testimonial-card {
  width: 300px;
  background: var(--white);
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  margin: 0 15px;
  flex-shrink: 0;
}

.stars {
  color: var(--accent-color);
  margin-bottom: 10px;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-color);
  margin-bottom: 15px;
  font-style: italic;
}

.user-info {
  font-weight: 600;
  color: var(--secondary-color);
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* FAQ */
.faq {
  padding: 80px 0;
  background-color: #f1f5f9;
}

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

details {
  background: var(--white);
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 5px rgba(0,0,0,0.02);
}

summary {
  padding: 20px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: '+';
  font-size: 1.2rem;
  transition: transform 0.3s;
}

details[open] summary::after {
  transform: rotate(45deg);
}

details[open] summary {
  border-bottom: 1px solid var(--border-color);
}

.faq-content {
  padding: 20px;
  color: var(--text-light);
}

/* Footer */
footer {
  background-color: var(--secondary-color);
  color: #cbd5e1;
  padding: 40px 0;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-bottom: 20px;
}

.footer-links a {
  transition: color 0.3s;
}

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

/* Responsive */
@media (max-width: 992px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .platform-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .navbar .nav-links, .navbar .nav-cta {
    display: none;
  }
  
  .navbar .menu-toggle {
    display: block;
  }
  
  .hero h1 {
    font-size: 2.2rem;
  }
  
  .grid-3 {
    grid-template-columns: 1fr;
  }
  
  .pricing-card.highlight {
    transform: none;
  }
  
  .platform-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-links {
    flex-direction: column;
    gap: 15px;
  }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero h1, .hero p, .hero-cta { animation: fadeIn 0.8s ease-out forwards; }
.card, .pricing-card, .feature-item { animation: fadeIn 1s ease-out forwards; }