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

:root {
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-tertiary: #f3f4f6;
  --border-color: #e5e7eb;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 5rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --bg-tertiary: #374151;
    --border-color: #374151;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
  }
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: color-mix(in srgb, var(--bg-primary) 95%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: all 0.3s ease;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-weight: 600;
  font-size: 1.25rem;
  color: var(--text-primary);
  text-decoration: none;
}

.nav-logo-img {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

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

.nav-language-selector select {
  padding: 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.875rem;
  cursor: pointer;
}

.nav-download-btn {
  background: var(--primary-color);
  color: white !important;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: background 0.2s;
}

.nav-download-btn:hover {
  background: var(--primary-dark);
}

.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s;
}

.nav-mobile-toggle-open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-mobile-toggle-open span:nth-child(2) {
  opacity: 0;
}

.nav-mobile-toggle-open span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    flex-direction: column;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: 999;
  }

  .nav-links-open {
    transform: translateX(0);
  }

  .nav-links a {
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
  }

  .nav-language-selector {
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
  }

  .nav-download-btn {
    margin-top: var(--spacing-sm);
    text-align: center;
  }
}

/* Hero Section */
.hero {
  padding: calc(80px + var(--spacing-2xl)) var(--spacing-md) var(--spacing-2xl);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.hero-icon {
  margin-bottom: var(--spacing-sm);
}

.hero-icon-img {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

.hero-headline {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-sm);
}

.hero-subheadline {
  font-size: 1.25rem;
  line-height: 1.6;
  opacity: 0.95;
  margin-bottom: var(--spacing-md);
}

.hero-cta {
  margin: var(--spacing-md) 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 1rem 2rem;
  border-radius: var(--radius-lg);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: white;
  color: var(--primary-color);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-large {
  font-size: 1.125rem;
  padding: 1.25rem 2.5rem;
}

.btn-icon {
  font-size: 1.25rem;
  line-height: 1;
}

.hero-available {
  margin-top: var(--spacing-md);
  font-size: 0.875rem;
  opacity: 0.9;
}

.hero-platforms {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
}

.platform-badge {
  padding: 0.375rem 0.75rem;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  backdrop-filter: blur(10px);
}

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

.hero-screenshot {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
  transition: transform 0.3s;
}

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

/* Section Styles */
section {
  padding: var(--spacing-2xl) 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.section-description {
  text-align: center;
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Features Section */
.features {
  background: var(--bg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.feature-card {
  background: var(--bg-primary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: all 0.3s;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

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

.feature-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.feature-description {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Platforms Section */
.platforms {
  background: var(--bg-primary);
}

.platforms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.platform-item {
  text-align: center;
  padding: var(--spacing-lg);
}

.platform-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}

.platform-item h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Styles Section */
.styles {
  background: var(--bg-secondary);
}

.styles-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

@media (max-width: 1024px) {
  .styles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.style-card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all 0.3s;
}

.style-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.style-preview {
  width: 100%;
  height: 200px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.style-card h3 {
  padding: var(--spacing-md) var(--spacing-md) var(--spacing-xs);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.style-card p {
  padding: 0 var(--spacing-md) var(--spacing-md);
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Screenshots Section */
.screenshots {
  background: var(--bg-primary);
}

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

.screenshot-item {
  text-align: center;
  position: relative;
}

.screenshot-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  box-shadow: 
    0 0 0 8px rgba(0, 0, 0, 0.1),
    0 0 0 12px rgba(0, 0, 0, 0.05),
    0 20px 40px rgba(0, 0, 0, 0.2),
    0 0 0 1px rgba(0, 0, 0, 0.1) inset;
  transition: transform 0.3s, box-shadow 0.3s;
  background: #000;
  padding: 0;
  display: block;
}

.screenshot-img:hover {
  transform: scale(1.02);
  box-shadow: 
    0 0 0 8px rgba(0, 0, 0, 0.15),
    0 0 0 12px rgba(0, 0, 0, 0.08),
    0 25px 50px rgba(0, 0, 0, 0.3),
    0 0 0 1px rgba(0, 0, 0, 0.15) inset;
}

.screenshot-caption {
  margin-top: var(--spacing-sm);
  color: var(--text-secondary);
  font-weight: 500;
}

/* Testimonials Section */
.testimonials {
  background: var(--bg-primary);
  padding: var(--spacing-3xl) 0;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.testimonial-card {
  background: var(--bg-secondary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform 0.2s, box-shadow 0.2s;
}

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

.testimonial-text {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-primary);
  margin-bottom: var(--spacing-md);
  font-style: italic;
}

.testimonial-author {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 600;
  text-align: right;
}

/* FAQ Section */
.faq {
  background: var(--bg-secondary);
}

.faq-list {
  max-width: 800px;
  margin: var(--spacing-xl) auto 0;
}

/* Pro Section */
.pro {
  background: linear-gradient(135deg, var(--primary-color) 0%, #764ba2 100%);
  color: white;
  padding: var(--spacing-3xl) 0 var(--spacing-3xl);
}

.pro .section-title,
.pro .section-description {
  color: white;
  text-align: center;
}

.pro-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-2xl) 0;
}

.pro-feature-item {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: transform 0.2s, background 0.2s;
}

.pro-feature-item:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.15);
}

.pro-feature-icon {
  width: 32px;
  height: 32px;
  margin: 0 auto var(--spacing-sm);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pro-feature-icon svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}

.pro-feature-item h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: white;
}

.pro-feature-item p {
  font-size: 0.8125rem;
  opacity: 0.9;
  line-height: 1.4;
}

.pro-pricing {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-lg);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.pro-pricing-card {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  border: 2px solid rgba(255, 255, 255, 0.2);
  transition: transform 0.2s, border-color 0.2s;
}

.pro-pricing-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.4);
}

.pro-pricing-badge {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: white;
}

.pro-pricing-price {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: white;
}

.pro-pricing-description {
  font-size: 0.875rem;
  opacity: 0.9;
  line-height: 1.5;
}

.faq-item {
  background: var(--bg-primary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

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

/* Footer */
.footer {
  background: #1f2937;
  color: #ffffff;
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

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

.footer-section h3,
.footer-section h4 {
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  color: #ffffff;
}

.footer-section p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-xs);
}

.footer-link {
  display: block;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  margin-bottom: var(--spacing-xs);
  transition: color 0.2s;
}

.footer-link:hover {
  color: #ffffff;
}

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

.footer-made-with {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--spacing-xs);
}

.footer-copyright {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

@media (prefers-color-scheme: dark) {
  .footer {
    background: #1f2937;
    color: #ffffff;
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-mobile-toggle {
    display: flex;
  }

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

  .hero-headline {
    font-size: 2.5rem;
  }

  .hero-image {
    order: -1;
  }

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

  .features-grid,
  .styles-grid,
  .screenshots-grid,
  .pro-features-grid,
  .pro-pricing {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: calc(80px + var(--spacing-lg)) var(--spacing-sm) var(--spacing-lg);
    min-height: auto;
  }

  .hero-headline {
    font-size: 2rem;
  }

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

  .section-title {
    font-size: 1.75rem;
  }
}

/* RTL Support */
[dir="rtl"] {
  direction: rtl;
}

[dir="rtl"] .nav-container,
[dir="rtl"] .hero-container,
[dir="rtl"] .footer-content {
  direction: rtl;
}