/* Modern CSS Reset */
*, *::before, *::after {
  box-sizing: border-box;
}

body, h1, h2, h3, h4, p, figure, blockquote, dl, dd {
  margin: 0;
}

:root {
  --primary-color: #6200ea;
  --secondary-color: #03dac6;
  --accent-color: #bb86fc;
  --text-color: #121212;
  --light-bg: #f5f5f5;
  --dark-bg: #121212;
  --white: #ffffff;
  --gradient: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  --card-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  min-height: 100vh;
  text-rendering: optimizeSpeed;
  line-height: 1.6;
  font-family: 'Inter', sans-serif;
  color: var(--text-color);
  background-color: var(--white);
}

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

a:hover {
  color: var(--secondary-color);
}

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

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
header {
  background-color: var(--white);
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  width: 2.5rem;
  height: 2.5rem;
}

.logo-text {
  font-weight: 700;
  font-size: 1.5rem;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Navigation */
.nav-list {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: 2rem;
}

.nav-list li a {
  font-weight: 500;
  position: relative;
}

.nav-list li a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient);
  transition: var(--transition);
}

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

.nav-button {
  background: var(--gradient);
  color: var(--white);
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.nav-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

/* Hero Section */
.hero {
  padding: 12rem 0 6rem;
  background: linear-gradient(135deg, rgba(98, 0, 234, 0.05) 0%, rgba(3, 218, 198, 0.05) 100%);
  position: relative;
  overflow: hidden;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-text h1 {
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  font-weight: 800;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-text p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  color: var(--text-color);
  opacity: 0.9;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

.primary-button {
  background: var(--gradient);
  color: var(--white);
  border: none;
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.primary-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.secondary-button {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  padding: 1rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
}

.secondary-button:hover {
  background-color: rgba(98, 0, 234, 0.1);
}

.hero-image {
  position: relative;
}

.hero-image svg {
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
}

/* Features Section */
.features {
  padding: 6rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-color);
}

.section-header p {
  font-size: 1.125rem;
  max-width: 700px;
  margin: 0 auto;
  opacity: 0.8;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: var(--transition);
  padding: 2rem;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 12px 20px rgba(0, 0, 0, 0.15);
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 16px;
  margin-bottom: 1.5rem;
  background: linear-gradient(45deg, rgba(98, 0, 234, 0.1), rgba(3, 218, 198, 0.1));
}

.feature-icon svg {
  width: 32px;
  height: 32px;
}

.feature-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.feature-description {
  opacity: 0.8;
}

/* How It Works Section */
.how-it-works {
  padding: 6rem 0;
  background-color: var(--light-bg);
}

.steps-container {
  max-width: 900px;
  margin: 0 auto;
}

.step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

.step:last-child {
  margin-bottom: 0;
}

.step-number {
  width: 80px;
  height: 80px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 2rem;
  font-weight: 700;
}

.step-content h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

/* Testimonials */
.testimonials {
  padding: 6rem 0;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: var(--white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--card-shadow);
  padding: 2rem;
}

.testimonial-text {
  font-size: 1.125rem;
  font-style: italic;
  margin-bottom: 1.5rem;
  position: relative;
}

.testimonial-text::before {
  content: '"';
  font-size: 4rem;
  color: rgba(98, 0, 234, 0.1);
  position: absolute;
  top: -1.5rem;
  left: -0.5rem;
  font-family: Georgia, serif;
}

.testimonial-author {
  display: flex;
  align-items: center;
}

.author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  overflow: hidden;
  margin-right: 1rem;
  background: var(--light-bg);
}

.author-name {
  font-weight: 600;
}

.author-title {
  font-size: 0.875rem;
  opacity: 0.7;
}

/* CTA Section */
.cta {
  padding: 6rem 0;
  background: var(--gradient);
  color: var(--white);
  text-align: center;
}

.cta-content {
  max-width: 700px;
  margin: 0 auto;
}

.cta h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  font-weight: 700;
}

.cta p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.cta-button {
  background: var(--white);
  color: var(--primary-color);
  border: none;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1.125rem;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  display: inline-block;
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

/* Footer */
footer {
  background-color: var(--dark-bg);
  color: var(--white);
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
}

.footer-info {
  display: flex;
  flex-direction: column;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.footer-logo-icon {
  width: 2rem;
  height: 2rem;
}

.footer-logo-text {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--white);
}

.footer-description {
  opacity: 0.7;
  margin-bottom: 1.5rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
  margin-top: auto;
}

.social-icon {
  width: 36px;
  height: 36px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.social-icon:hover {
  background-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-3px);
}

.footer-links h3 {
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.footer-links ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links ul li {
  margin-bottom: 0.75rem;
}

.footer-links ul li a {
  color: var(--white);
  opacity: 0.7;
  transition: var(--transition);
}

.footer-links ul li a:hover {
  opacity: 1;
}

.footer-bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  opacity: 0.6;
  font-size: 0.9rem;
}

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

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

/* Responsive Styles */
@media screen and (max-width: 992px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .hero-image {
    order: -1;
  }
  
  .hero-text h1 {
    font-size: 2.5rem;
  }
  
  .hero-text p {
    font-size: 1.125rem;
  }
  
  .section-header h2 {
    font-size: 2rem;
  }
}

@media screen and (max-width: 768px) {
  .nav-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--white);
    padding: 1.5rem;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    flex-direction: column;
    gap: 1.5rem;
  }
  
  .nav-list.show {
    display: flex;
  }
  
  .mobile-nav-toggle {
    display: block;
  }
  
  .hero {
    padding: 8rem 0 4rem;
  }
  
  .step {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 1rem;
  }
  
  .step-number {
    margin: 0 auto;
  }
}

@media screen and (max-width: 576px) {
  html {
    font-size: 14px;
  }
  
  .hero-text h1 {
    font-size: 2rem;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .section-header h2 {
    font-size: 1.75rem;
  }
}