/* Base Styles */
:root {
  --primary: #00C9FF;
  --primary-dark: #0099cc;
  --secondary: #92FE9D;
  --dark: #111111;
  --dark-light: #222222;
  --light: #ffffff;
  --light-gray: #f5f5f5;
  --medium-gray: #999999;
  --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  --font-main: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  --border-radius: 12px;
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

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

body {
  font-family: var(--font-main);
  background-color: var(--dark);
  color: var(--light);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

ul {
  list-style: none;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

main {
  flex: 1;
}

/* Typography */
h1, h2, h3, h4 {
  margin-bottom: 1rem;
  line-height: 1.3;
}

h1 {
  font-size: 1.8rem;
  font-weight: 700;
}

h1 span {
  color: var(--primary);
}

h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 2.5rem;
}

h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1.5rem;
  font-size: 1rem;
  opacity: 0.9;
}

/* Buttons */
.primary-button {
  display: inline-block;
  background: var(--gradient);
  color: var(--light);
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(0, 201, 255, 0.4);
  border: none;
  cursor: pointer;
  text-align: center;
  font-size: 1.1rem;
}

.primary-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 201, 255, 0.5);
}

.secondary-button {
  display: inline-block;
  background: transparent;
  color: var(--light);
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid rgba(255, 255, 255, 0.2);
  text-align: center;
  font-size: 1.1rem;
}

.secondary-button:hover {
  border-color: var(--primary);
  background: rgba(0, 201, 255, 0.1);
}

.cta-button {
  background: var(--gradient);
  padding: 0.8rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: 0 4px 15px rgba(0, 201, 255, 0.4);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 201, 255, 0.5);
}

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(17, 17, 17, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
  padding: 1rem 0;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.logo {
  display: flex;
  align-items: center;
}

.site-logo {
  width: 40px;
  height: 40px;
  margin-right: 1rem;
}

nav {
  display: flex;
  align-items: center;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.menu-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  position: relative;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 30px;
  height: 3px;
  margin: 6px 0;
  background: var(--light);
  border-radius: 3px;
  transition: var(--transition);
}

/* Hero Section */
.hero-section {
  padding: 10rem 0 5rem;
  background: var(--dark);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at top right, rgba(0, 201, 255, 0.1) 0%, transparent 50%);
  z-index: 0;
}

.hero-content {
  max-width: 600px;
  position: relative;
  z-index: 2;
}

.hero-content h2 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
}

.hero-content p {
  font-size: 1.2rem;
  margin-bottom: 2.5rem;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 1.5rem;
}

.hero-visual {
  position: absolute;
  top: 50%;
  right: 0;
  width: 50%;
  transform: translateY(-50%);
  z-index: 1;
}

.hero-visual svg {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
}

/* Sections */
.section {
  padding: 7rem 0;
  position: relative;
}

.section.dark {
  background-color: var(--dark-light);
}

.section-title {
  text-align: center;
  position: relative;
  margin-bottom: 4rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient);
  border-radius: 2px;
}

/* Steps Section */
.steps-container {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 2rem;
}

.step-card {
  background: rgba(255, 255, 255, 0.05);
  padding: 2.5rem;
  border-radius: var(--border-radius);
  text-align: center;
  flex: 1;
  min-width: 280px;
  position: relative;
  transition: var(--transition);
  box-shadow: var(--box-shadow);
}

.step-card:hover {
  transform: translateY(-10px);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.step-number {
  position: absolute;
  top: 15px;
  right: 15px;
  width: 30px;
  height: 30px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
}

.step-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
}

.step-card h3 {
  color: var(--primary);
}

/* Technology Section */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2.5rem;
}

.tech-feature {
  text-align: center;
  transition: var(--transition);
}

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

.tech-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
}

.tech-feature h3 {
  color: var(--primary);
  margin-bottom: 1rem;
}

/* Use Cases Section */
.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.use-case {
  background: rgba(255, 255, 255, 0.05);
  padding: 2.5rem;
  border-radius: var(--border-radius);
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--box-shadow);
}

.use-case:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.use-case-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 1.5rem;
}

.use-case h3 {
  color: var(--primary);
  margin-bottom: 1rem;
}

.cta-center {
  display: flex;
  justify-content: center;
  margin-top: 3rem;
}

/* FAQ Section */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius);
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.faq-question {
  padding: 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question h3 {
  font-size: 1.2rem;
  margin-bottom: 0;
}

.toggle-icon {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  transition: var(--transition);
}

.faq-answer {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active .toggle-icon {
  transform: rotate(45deg);
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 1.5rem 1.5rem;
}

/* Footer */
footer {
  background-color: var(--dark-light);
  padding: 5rem 0 2rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 2rem;
}

.footer-logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-logo p {
  margin-top: 1rem;
  font-weight: 600;
  font-size: 1.2rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-fill-color: transparent;
}

.footer-links {
  display: flex;
  gap: 5rem;
}

.footer-nav h4,
.footer-legal h4 {
  color: var(--primary);
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.5rem;
  font-size: 1.1rem;
}

.footer-nav h4::after,
.footer-legal h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 2px;
  background: var(--gradient);
}

.footer-nav ul li,
.footer-legal ul li {
  margin-bottom: 0.8rem;
}

.footer-nav ul li a,
.footer-legal ul li a {
  opacity: 0.8;
  transition: var(--transition);
}

.footer-nav ul li a:hover,
.footer-legal ul li a:hover {
  opacity: 1;
  color: var(--primary);
}

.copyright {
  text-align: center;
  opacity: 0.7;
  font-size: 0.9rem;
}

/* Responsive Styles */
@media (max-width: 992px) {
  html {
    font-size: 15px;
  }
  
  .hero-content h2 {
    font-size: 2.5rem;
  }
  
  .hero-visual {
    position: relative;
    width: 100%;
    transform: none;
    top: auto;
    right: auto;
    margin-top: 3rem;
  }
  
  .hero-content {
    max-width: 100%;
  }
  
  .container {
    width: 90%;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
  
  .menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
  
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    flex-direction: column;
    background-color: var(--dark-light);
    padding: 6rem 2rem 2rem;
    z-index: 1000;
    transition: var(--transition);
    box-shadow: -10px 0px 30px rgba(0, 0, 0, 0.3);
  }
  
  .nav-menu.active {
    right: 0;
  }
  
  .nav-menu li {
    margin: 1rem 0;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .hero-buttons a {
    width: 100%;
    text-align: center;
  }
  
  .footer-content {
    flex-direction: column;
    gap: 3rem;
  }
  
  .footer-links {
    width: 100%;
    justify-content: space-between;
    gap: 2rem;
  }
}

@media (max-width: 576px) {
  .section {
    padding: 5rem 0;
  }
  
  .hero-section {
    padding: 8rem 0 4rem;
  }
  
  .footer-links {
    flex-direction: column;
    gap: 3rem;
  }
  
  .steps-container {
    flex-direction: column;
  }
  
  .step-card {
    width: 100%;
  }
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animated {
  animation: fadeIn 0.6s ease-out forwards;
}

.delay-100 {
  animation-delay: 0.1s;
}

.delay-200 {
  animation-delay: 0.2s;
}

.delay-300 {
  animation-delay: 0.3s;
}

.delay-400 {
  animation-delay: 0.4s;
}

.delay-500 {
  animation-delay: 0.5s;
}
