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

:root {
  
  --primary: #5100ff;
  --primary-foreground: #ffffff;
  --secondary: #005dff;
  --secondary-foreground: #ffffff;
  --background: #ffffff;
  --foreground: #4b5563;
  --card: #f9fafb;
  --card-foreground: #4b5563;
  --muted: #f9fafb;
  --muted-foreground: #6b7280;
  --border: #e5e7eb;
  --accent: #6366f1;
  --accent-foreground: #ffffff;

  
  --dark-background: #0a0a0a;
  --dark-foreground: #f1f5f9;
  --dark-card: #313131;
  --dark-muted: #140039;
  --dark-border: #475569;

  
  --font-family: "Vazirmatn", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  
  --container-max-width: 1200px;
  --section-padding: 5rem 0;
  --border-radius: 2rem;

  
  --transition: all 0.3s ease;
}

[data-theme="dark"] {
  --background: var(--dark-background);
  --foreground: var(--dark-foreground);
  --card: #141414;
  --card-foreground: var(--dark-foreground);
  --muted: var(--dark-muted);
  --border: #2d3a43;
}

body {
  font-family: var(--font-family);
  background-color: var(--background);
  color: var(--foreground);
  line-height: 1.6;
  direction: rtl;
  transition: var(--transition);
}

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1rem;
}


h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}


.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 2rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--primary-foreground);
}

.btn-primary:hover {
  background-color: #0e7490;
  transform: translateY(-2px);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--secondary-foreground);
}

.btn-secondary:hover {
  background-color: #4f46e5;
  transform: translateY(-2px);
}

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

.btn-outline:hover {
  background-color: var(--muted);
  border-color: var(--primary);
}

.btn-outline-white {
  background-color: transparent;
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: white;
}

.btn-large {
  
  font-size: 1rem;
}

.btn-full {
  width: 100%;
}

.btn-icon {
  font-size: 1.2em;
}


.badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: var(--muted);
  color: var(--muted-foreground);
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 1rem;
}


.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  
  transition: var(--transition);
}

[data-theme="dark"] .header {
  background-color: #0a0a0a;
}

.header.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .header.scrolled {
  background-color: rgba(15, 23, 42, 0.95);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.25rem;
}

.logo {
  width: 2rem;
  height: 2rem;
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
}

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

.nav-link {
  color: var(--muted-foreground);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle {
  width: 2.5rem;
  height: 2.5rem;
  border: none;
  background: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.theme-toggle:hover {
  background-color: var(--muted);
}

.sun-icon,
.moon-icon {
  font-size: 1.2rem;
}

[data-theme="dark"] .sun-icon {
  display: none;
}

[data-theme="light"] .moon-icon,
body:not([data-theme]) .moon-icon {
  display: none;
}

.login-link {
  color: var(--muted-foreground);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.login-link:hover {
  color: var(--foreground);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 3px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-toggle span {
  width: 20px;
  height: 2px;
  background-color: var(--foreground);
  transition: var(--transition);
}


.hero {
  padding: 8rem 0 4rem;
  background: linear-gradient(135deg, var(--background) 0%, var(--muted) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: linear-gradient(to right, var(--border) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border) 1px, transparent 1px);
  background-size: 4rem 4rem;
  opacity: 0.5;
  z-index: 0;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--muted-foreground);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.hero-features {
  display: flex;
  gap: 2rem;
  font-size: 0.875rem;
  color: var(--muted-foreground);
}

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

.check-icon {
  color: var(--primary);
  font-weight: bold;
}


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

.phone-mockup {
  width: 300px;
  height: 600px;
  background: linear-gradient(135deg, #2d2d2d, #1e1e1e);
  border-radius: 2rem;
  padding: 0.4rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  position: relative;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: #0a0a0a;
  border-radius: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  position: relative;
  overflow: hidden;
}

.voice-wave {
  display: flex;
  gap: 4px;
  margin-bottom: 2rem;
}

.listening {
         animation: hueShift 5s ease-in-out infinite;
         }
@keyframes hueShift {
0% { filter: hue-rotate(0deg); }
25% { filter: hue-rotate(90deg); }
50% { filter: hue-rotate(180deg); }
75% { filter: hue-rotate(270deg); }
100% { filter: hue-rotate(360deg); }
}

@keyframes wave {
  0%,
  100% {
    transform: scaleY(1);
  }
  50% {
    transform: scaleY(0.3);
  }
}

.spark-logo {
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 1rem;
}

.listening-text {
  font-size: 1rem;
  opacity: 0.8;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.8;
  }
  50% {
    opacity: 0.4;
  }
}


section {
  padding: var(--section-padding);
}

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

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.section-description {
  font-size: 1.125rem;
  color: var(--muted-foreground);
  max-width: 600px;
  margin: 0 auto;
}


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

.feature-card {
  background-color: var(--card);
  
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.feature-description {
  color: var(--muted-foreground);
}


.how-it-works {
  background: linear-gradient(135deg, var(--background) 0%, var(--muted) 100%);
  position: relative;
  overflow: hidden;
}

.how-it-works::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: linear-gradient(to right, var(--border) 1px, transparent 1px),
    linear-gradient(to bottom, var(--border) 1px, transparent 1px);
  background-size: 4rem 4rem;
  opacity: 0.5;
  z-index: 0;
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  position: relative;
}

.step {
  text-align: center;
}

.step-number {
  width: 4rem;
  height: 4rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  margin: 0 auto 1.5rem;
}

.step-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.step-description {
  color: var(--muted-foreground);
}


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

.testimonial-card {
  background-color: var(--card);
  
  border-radius: var(--border-radius);
  padding: 2rem;
  transition: var(--transition);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
}

.stars {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.testimonial-text {
  font-size: 1.125rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-top: 1rem;
  
}

.author-avatar {
  width: 3rem;
  height: 3rem;
  background-color: var(--muted);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

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

.author-role {
  font-size: 0.875rem;
  color: var(--muted-foreground);
}


.pricing {
  background-color: var(--muted);
}

.pricing-toggle {
  display: flex;
  justify-content: center;
  margin-bottom: 3rem;
}

.toggle-btn {
  padding: 0.75rem 1.5rem;
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  font-weight: 500;
  transition: var(--transition);
  border-radius: 2rem;
}

.toggle-btn.active {
  background-color: var(--primary);
  color: var(--primary-foreground);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}

.pricing-card {
  background-color: var(--card);
  
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  position: relative;
  transition: var(--transition);
}

.pricing-card.featured {
  border-color: var(--primary);
  transform: scale(1.05);
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
}

.pricing-card.featured:hover {
  transform: scale(1.05) translateY(-4px);
}

.popular-badge {
  position: absolute;
  top: -0.5rem;
  right: 1rem;
  background-color: var(--primary);
  color: var(--primary-foreground);
  padding: 0.25rem 1rem;
  border-radius: 1rem;
  font-size: 0.75rem;
  font-weight: 600;
}

.plan-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.plan-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.25rem;
  margin-bottom: 1rem;
}

.price {
  font-size: 3rem;
  font-weight: 800;
}

.period {
  color: var(--muted-foreground);
}

.plan-description {
  color: var(--muted-foreground);
  margin-bottom: 2rem;
}

.plan-features {
  list-style: none;
  margin-bottom: 2rem;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  text-align: right;
}

.check {
  color: var(--primary);
  font-weight: bold;
}


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

.faq-item {
  
}

.faq-question {
  width: 100%;
  padding: 1.5rem 0;
  border: none;
  background: none;
  text-align: right;
  font-family: inherit;
  font-size: 1.125rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--foreground);
}

.faq-icon {
  font-size: 1.5rem;
  transition: var(--transition);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

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

.faq-answer p {
  padding-bottom: 1.5rem;
  color: var(--muted-foreground);
  line-height: 1.6;
}


.cta {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: linear-gradient(to right, rgba(255, 255, 255, 0.1) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 4rem 4rem;
  z-index: 0;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.cta-description {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 1rem;
}

.cta-note {
  font-size: 0.875rem;
  opacity: 0.8;
}


.footer {
  background-color: var(--card);
  border-top: 1px solid var(--border);
  padding: 1rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-description {
  color: var(--muted-foreground);
  margin: 1rem 0;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  width: 2.5rem;
  height: 2.5rem;
  background-color: var(--muted);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: var(--transition);
}

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

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-title {
  font-weight: 700;
  margin-bottom: 1rem;
}

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

.footer-list li {
  margin-bottom: 0.5rem;
}

.footer-list a {
  color: var(--muted-foreground);
  text-decoration: none;
  transition: var(--transition);
}

.footer-list a:hover {
  color: var(--foreground);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  
  
}

.copyright {
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

.footer-legal {
  display: flex;
  gap: 2rem;
}

.footer-legal a {
  color: var(--muted-foreground);
  text-decoration: none;
  font-size: 0.875rem;
  transition: var(--transition);
}

.footer-legal a:hover {
  color: var(--foreground);
}


@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

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

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

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

  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .hero-features {
    flex-direction: column;
    gap: 1rem;
  }

  .phone-mockup {
    width: 250px;
    height: 500px;
  }

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

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

  .cta-actions {
    flex-direction: column;
    align-items: center;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 0.75rem;
  }

  .hero {
    padding: 6rem 0 3rem;
  }

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

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

  .features-grid,
  .testimonials-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .steps {
    grid-template-columns: 1fr;
  }
}