:root {
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #a5b4fc;
  --accent-color: #f59e0b;
  --accent-dark: #d97706;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-light: #9ca3af;
  --background: #ffffff;
  --background-alt: #f9fafb;
  --border: #e5e7eb;
  --success: #10b981;
  --error: #ef4444;
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --border-radius: 0.5rem;
  --border-radius-lg: 1rem;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;
}

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

html, body {
  overflow-x: hidden;
  max-width: 100%;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background);
  width: 100%;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
  width: 100%;
  overflow-x: hidden;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-6);
  border: none;
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

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

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-12);
  color: var(--text-primary);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -var(--spacing-4);
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  border-radius: 2px;
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: var(--transition);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4);
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  overflow-x: hidden;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  text-decoration: none;
  color: var(--text-primary);
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius);
}

.brand-text {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary-color);
}

.nav-links {
  display: flex;
  gap: var(--spacing-8);
}

.nav-link {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: var(--transition);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-2);
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

.hero {
  padding: calc(var(--spacing-20) + 60px) 0 var(--spacing-20);
  background: linear-gradient(135deg, var(--background) 0%, var(--background-alt) 100%);
  overflow: hidden;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23f3f4f6" opacity="0.5"/><circle cx="75" cy="75" r="1" fill="%23e5e7eb" opacity="0.3"/><circle cx="50" cy="10" r="0.5" fill="%23d1d5db" opacity="0.4"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.1;
  pointer-events: none;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-16);
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
  width: 100%;
  overflow-x: hidden;
}

.hero-title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--spacing-4);
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-4);
  font-weight: 600;
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-8);
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-8);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--primary-color);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: 500;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-4);
}

.hero-image {
  position: relative;
}

.hero-img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
  transition: var(--transition);
}

.hero-img:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.features {
  padding: var(--spacing-20) 0;
  background: var(--background);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-8);
}

.feature-card {
  background: var(--background);
  padding: var(--spacing-8);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
  border: 1px solid var(--border);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-4);
  display: block;
}

.feature-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-3);
  color: var(--text-primary);
}

.feature-description {
  color: var(--text-secondary);
  line-height: 1.7;
}

.screenshots {
  padding: var(--spacing-20) 0;
  background: var(--background-alt);
}

.screenshots-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-8);
}

.screenshot-item {
  background: var(--background);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.screenshot-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.screenshot-img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.screenshot-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin: var(--spacing-4) var(--spacing-6) var(--spacing-2);
  color: var(--text-primary);
}

.screenshot-description {
  color: var(--text-secondary);
  margin: 0 var(--spacing-6) var(--spacing-6);
}

.faq {
  padding: var(--spacing-20) 0;
  background: var(--background);
}

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

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-4);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  box-shadow: var(--shadow);
}

.faq-question {
  width: 100%;
  padding: var(--spacing-6);
  background: var(--background);
  border: none;
  text-align: left;
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}

.faq-question:hover {
  background: var(--background-alt);
}

.faq-icon {
  font-size: var(--font-size-xl);
  font-weight: 300;
  color: var(--primary-color);
  transition: var(--transition);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background: var(--background-alt);
}

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

.faq-answer p {
  padding: var(--spacing-6);
  color: var(--text-secondary);
  line-height: 1.7;
}

.download {
  padding: var(--spacing-20) 0;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
}

.download .section-title {
  color: white;
}

.download .section-title::after {
  background: white;
}

.download-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-16);
  align-items: center;
}

.download-description {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-8);
  opacity: 0.9;
}

.download-stats {
  display: flex;
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-8);
}

.download-stat {
  text-align: center;
}

.download-buttons {
  display: flex;
  gap: var(--spacing-4);
}

.download-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-4) var(--spacing-6);
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius);
  color: white;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  backdrop-filter: blur(10px);
}

.download-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-2px);
}

.download-btn img {
  width: 24px;
  height: 24px;
}

.download-img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-lg);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.newsletter {
  padding: var(--spacing-16) 0;
  background: var(--background-alt);
  text-align: center;
}

.newsletter-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--spacing-4);
  color: var(--text-primary);
}

.newsletter-description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-8);
}

.contact {
  padding: var(--spacing-20) 0;
  background: var(--background);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-16);
}

.contact-subtitle {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-4);
  color: var(--text-primary);
}

.contact-description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-8);
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-6);
}

.contact-method {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  padding: var(--spacing-4);
  background: var(--background-alt);
  border-radius: var(--border-radius);
  text-decoration: none;
  color: var(--text-primary);
  transition: var(--transition);
}

.contact-method:hover {
  background: var(--primary-light);
  transform: translateX(4px);
}

.contact-icon {
  font-size: var(--font-size-2xl);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.contact-details strong {
  font-weight: 600;
  color: var(--text-primary);
}

.contact-details span {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.contact-form {
  background: var(--background-alt);
  padding: var(--spacing-8);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: var(--spacing-6);
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-2);
  color: var(--text-primary);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: var(--spacing-3);
  border: 2px solid var(--border);
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  transition: var(--transition);
  background: var(--background);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.footer {
  background: var(--text-primary);
  color: white;
  padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-16);
  margin-bottom: var(--spacing-12);
}

.footer-brand {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-4);
}

.footer-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--border-radius);
}

.footer-brand-text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.footer-brand-text strong {
  font-size: var(--font-size-lg);
  font-weight: 700;
}

.footer-brand-text span {
  font-size: var(--font-size-sm);
  opacity: 0.8;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-8);
}

.footer-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--spacing-4);
  color: white;
}

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

.footer-list li {
  margin-bottom: var(--spacing-2);
}

.footer-link {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition);
}

.footer-link:hover {
  color: var(--primary-light);
}

.footer-text {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.6;
  margin-bottom: var(--spacing-4);
}

.footer-address {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-8);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

.legal-content {
  background: var(--background);
  padding: var(--spacing-8);
  border-radius: var(--border-radius-lg);
  margin: var(--spacing-8) 0;
  box-shadow: var(--shadow);
}

.legal-content h1,
.legal-content h2,
.legal-content h3 {
  color: var(--text-primary);
  margin-bottom: var(--spacing-4);
}

.legal-content h1 {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  border-bottom: 2px solid var(--primary-color);
  padding-bottom: var(--spacing-4);
}

.legal-content h2 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  margin-top: var(--spacing-8);
}

.legal-content h3 {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-top: var(--spacing-6);
}

.legal-content p,
.legal-content li {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--spacing-4);
}

.legal-content ul,
.legal-content ol {
  margin-left: var(--spacing-6);
  margin-bottom: var(--spacing-4);
}

.legal-content a {
  color: var(--primary-color);
  text-decoration: none;
}

.legal-content a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    padding: var(--spacing-4);
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1001;
    display: flex;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
    visibility: hidden;
  }
  
  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-12);
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .hero-buttons {
    justify-content: center;
    flex-wrap: wrap;
  }
  
  .hero-stats {
    justify-content: center;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    width: 100%;
    max-width: 100%;
  }
  
  .screenshots-grid {
    grid-template-columns: 1fr;
    width: 100%;
    max-width: 100%;
  }
  
  .download-content {
    grid-template-columns: 1fr;
    text-align: center;
    width: 100%;
    max-width: 100%;
  }
  
  .download-buttons {
    justify-content: center;
    flex-wrap: wrap;
    width: 100%;
    max-width: 100%;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
    width: 100%;
    max-width: 100%;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
    width: 100%;
    max-width: 100%;
  }
  
  .footer-links {
    grid-template-columns: 1fr;
    width: 100%;
    max-width: 100%;
  }
}

/* Prevent horizontal scroll */
* {
  max-width: 100%;
}

img, video, iframe {
  max-width: 100%;
  height: auto;
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-3);
  }
  
  .hero {
    padding: calc(var(--spacing-16) + 60px) 0 var(--spacing-16);
  }
  
  .hero-title {
    font-size: var(--font-size-2xl);
  }
  
  .section-title {
    font-size: var(--font-size-2xl);
  }
  
  .hero-stats {
    flex-direction: column;
    gap: var(--spacing-4);
  }
  
  .download-stats {
    flex-direction: column;
    gap: var(--spacing-4);
  }
  
  .download-buttons {
    flex-direction: column;
  }
}