:root {
  --color-background: #000000;
  --color-text: #ffffff;
  --color-accent: #00ff9d;
  --color-gray: #666666;
  --color-dark-gray: #1a1a1a;
  --font-primary: "Satori", sans-serif;
  --font-secondary: "Instrument Serif", serif;
}

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

html {
  scroll-behavior: smooth;
}

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

/* Typography */
h1,
h2,
h3,
h4 {
  font-family: var(--font-primary);
  font-weight: 500;
  line-height: 1.2;
}

h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

em {
  font-family: var(--font-secondary);
  font-style: italic;
}

/* Section Tooltips */
.section-tooltip {
  display: inline-block;
  font-size: 0.9rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1.5rem;
  background: rgba(0, 255, 157, 0.1);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-weight: 500;
  margin-left: auto;
  margin-right: auto;
}

/* Sections with centered content */
.faq,
.testimonials,
.testimonial-highlight,
.getting-started,
.cta {
  text-align: center;
}

/* Reset text alignment for content that should be left-aligned */
.accordion,
.testimonial-card {
  text-align: left;
}

/* Navigation */
header {
  padding: 1.5rem 2rem;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(10px);
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.nav-links a {
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

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

.nav-button {
  background: var(--color-accent);
  color: var(--color-background);
  border: none;
  padding: 0.8rem 1.5rem;
  border-radius: 50px;
  font-family: var(--font-primary);
  font-weight: 500;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.nav-button:hover {
  transform: scale(1.05);
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  cursor: pointer;
  z-index: 1001;
}

.mobile-menu-btn span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--color-text);
  border-radius: 3px;
  transition: all 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 6rem 2rem 2rem;
}

.subtitle {
  font-size: 1.2rem;
  color: var(--color-gray);
  margin-bottom: 2rem;
}

.app-buttons {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
  align-items: center;
  justify-content: center;
}

.mt-2 {
  margin-top: 2rem;
}

.mt-1 {
  margin-top: 1rem;
}

.store-button {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 0.8rem 1.5rem;
  border-radius: 50px;
  color: var(--color-text);
  text-decoration: none;
  transition: all 0.3s ease;
}

.store-button:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.05);
}

.store-button i {
  font-size: 1.5rem;
}

.store-button span {
  font-size: 0.9rem;
}

.featured-on {
  margin-top: 4rem;
}

.featured-on p {
  color: var(--color-gray);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.featured-logos {
  display: flex;
  gap: 2rem;
  align-items: center;
  justify-content: center;
}

.featured-logos i {
  font-size: 1.5rem;
  color: var(--color-text);
  opacity: 0.6;
  transition: opacity 0.3s ease;
}

.featured-logos i:hover {
  opacity: 1;
}

/* Getting Started Section */
.getting-started {
  padding: 6rem 2rem;
  text-align: center;
  max-width: 1200px;
  margin: 0 auto;
}

.steps-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.step {
  background: rgba(17, 17, 17, 0.6);
  padding: 2rem;
  border-radius: 24px;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.step-number {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-dark-gray);
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--color-text);
}

.step img {
  width: 100%;
  max-width: 180px;
  height: 180px;
  margin: 1.5rem 0;
  object-fit: contain;
  border-radius: 12px;
}

.step h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.step p {
  color: var(--color-gray);
  font-size: 1rem;
  line-height: 1.6;
}

/* Testimonial Sections */
.testimonial-highlight {
  padding: 6rem 2rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.stars {
  color: var(--color-accent);
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

blockquote {
  font-size: 2rem;
  font-family: var(--font-secondary);
  line-height: 1.4;
  margin-bottom: 1.5rem;
}

.highlight {
  color: var(--color-accent);
}

cite {
  color: var(--color-gray);
  font-style: normal;
}

.testimonials {
  padding: 6rem 2rem;
  text-align: center;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 3rem;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.testimonial-card {
  background: linear-gradient(
    180deg,
    rgba(17, 17, 17, 0.8) 0%,
    rgba(17, 17, 17, 0.6) 100%
  );
  padding: 32px;
  border-radius: 24px;
  text-align: left;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2), 0 0 15px rgba(0, 255, 157, 0.1);
}

.testimonial-card .stars {
  color: var(--color-accent);
  font-size: 20px;
  margin-bottom: 24px;
  letter-spacing: 2px;
}

.testimonial-card p {
  font-size: 16px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 24px;
  font-family: var(--font-primary);
}

.author {
  display: flex;
  align-items: center;
  gap: 16px;
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--color-dark-gray);
  border: 2px solid var(--color-accent);
}

.author-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.author-info h4 {
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 4px;
  color: var(--color-text);
}

.author-info p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin: 0;
}

/* FAQ Section */
.faq {
  padding: 80px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.faq h2 {
  text-align: center;
  font-size: 3.5rem;
  margin-bottom: 20px;
}

.faq .subtitle {
  text-align: center;
  color: #666;
  margin-bottom: 60px;
  font-size: 1.2rem;
}

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

.accordion-item {
  background: #111;
  border-radius: 12px;
  margin-bottom: 16px;
  overflow: hidden;
  will-change: transform, opacity;
  transform: translateZ(0);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.accordion-item:hover {
  transform: translateY(-2px);
}

.accordion-item.active {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2), 0 0 10px rgba(0, 255, 157, 0.05);
}

.accordion-header {
  width: 100%;
  padding: 24px;
  background: transparent;
  border: none;
  text-align: left;
  font-size: 1.2rem;
  color: #fff;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  will-change: transform;
  transform: translateZ(0);
  transition: background-color 0.2s cubic-bezier(0.4, 0, 0.2, 1),
    color 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 12px;
}

.accordion-header:hover {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--color-accent);
}

.accordion-header::after {
  content: "+";
  font-size: 1.5rem;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.accordion-item.active .accordion-header::after {
  transform: rotate(45deg);
}

.accordion-item.active .accordion-header {
  color: var(--color-accent);
  background-color: rgba(0, 255, 157, 0.05);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.33, 1, 0.68, 1),
    padding 0.4s cubic-bezier(0.33, 1, 0.68, 1),
    opacity 0.4s cubic-bezier(0.33, 1, 0.68, 1);
  padding: 10px 24px 0 24px;
  opacity: 0;
  will-change: max-height, padding, opacity;
  transform: translateZ(0);
}

.accordion-item.active .accordion-content {
  max-height: 1000px; /* Will be set dynamically by JS */
  padding-bottom: 24px;
  opacity: 1;
}

.accordion-content p {
  color: #999;
  line-height: 1.6;
  margin: 0;
  transform: translateY(10px);
  transition: transform 0.4s cubic-bezier(0.33, 1, 0.68, 1);
  will-change: transform;
}

.accordion-item.active .accordion-content p {
  transform: translateY(0);
}

/* CTA Section */
.cta {
  padding: 6rem 2rem;
  text-align: center;
  position: relative;
}

.robot-icon {
  width: 64px;
  margin-bottom: 2rem;
}

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

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.newsletter h3 {
  margin-bottom: 1rem;
}

.newsletter-form {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
}

.newsletter-form input {
  flex: 1;
  padding: 0.8rem 1.2rem;
  border: 1px solid var(--color-gray);
  border-radius: 50px;
  background: transparent;
  color: var(--color-text);
}

.newsletter-form button {
  background: var(--color-accent);
  color: var(--color-background);
  border: none;
  padding: 0.8rem 1.5rem;
  border-radius: 50px;
  cursor: pointer;
}

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

.link-group h4 {
  margin-bottom: 1rem;
}

.link-group a {
  display: block;
  color: var(--color-gray);
  text-decoration: none;
  margin-bottom: 0.5rem;
  transition: color 0.3s ease;
}

.link-group a:hover {
  color: var(--color-text);
}

.footer-bottom {
  max-width: 1200px;
  margin: 4rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid var(--color-gray);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.social-links a {
  color: var(--color-gray);
  text-decoration: none;
  transition: color 0.3s ease;
  font-size: 1.2rem;
}

.social-links a:hover {
  color: var(--color-text);
}

/* Responsive Design */
@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 2rem;
  }

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

  .nav-links {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.95);
    padding: 80px 20px 40px;
    z-index: 1000;
    transition: right 0.3s ease;
    align-items: flex-start;
    gap: 1.5rem;
    backdrop-filter: blur(10px);
    border-left: 1px solid rgba(255, 255, 255, 0.1);
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links a {
    font-size: 1.1rem;
  }

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

  .newsletter-form {
    flex-direction: column;
  }

  blockquote {
    font-size: 1.5rem;
  }

  .testimonial-highlight {
    padding: 4rem 1.5rem;
  }

  .testimonials {
    padding: 4rem 1.5rem;
    position: relative;
  }

  .testimonials::after {
    content: "";
    position: absolute;
    right: 1rem;
    top: 50%;
    width: 40px;
    height: 40px;
    background: rgba(0, 255, 157, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 2s infinite;
    pointer-events: none;
    z-index: 10;
  }

  .testimonials::before {
    content: "→";
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-accent);
    font-size: 1.5rem;
    z-index: 11;
    pointer-events: none;
    animation: slideRight 1.5s infinite;
  }

  @keyframes pulse {
    0% {
      transform: translateY(-50%) scale(0.95);
      box-shadow: 0 0 0 0 rgba(0, 255, 157, 0.3);
    }
    70% {
      transform: translateY(-50%) scale(1);
      box-shadow: 0 0 0 10px rgba(0, 255, 157, 0);
    }
    100% {
      transform: translateY(-50%) scale(0.95);
      box-shadow: 0 0 0 0 rgba(0, 255, 157, 0);
    }
  }

  @keyframes slideRight {
    0%,
    100% {
      transform: translateY(-50%) translateX(-3px);
    }
    50% {
      transform: translateY(-50%) translateX(3px);
    }
  }

  .testimonials-grid {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 15px;
    margin-top: 2rem;
    padding: 0.5rem;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
    scrollbar-width: none; /* Firefox */
  }

  .testimonials-grid::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Edge */
  }

  .testimonial-card {
    padding: 24px;
    margin-bottom: 10px;
    border-radius: 16px;
    flex: 0 0 85%;
    scroll-snap-align: center;
    min-width: 280px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15), 0 0 5px rgba(0, 255, 157, 0.05);
    border: 1px solid rgba(0, 255, 157, 0.1);
  }

  .testimonial-card:active {
    transform: scale(0.98);
  }

  .testimonial-card .stars {
    font-size: 18px;
    margin-bottom: 16px;
  }

  .testimonial-card p {
    font-size: 15px;
    margin-bottom: 20px;
    line-height: 1.5;
  }

  .author {
    gap: 12px;
  }

  .author-avatar {
    width: 40px;
    height: 40px;
  }

  .author-info h4 {
    font-size: 15px;
  }

  .author-info p {
    font-size: 13px;
  }

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

@media (max-width: 480px) {
  .testimonials-grid {
    padding: 1rem 0.5rem;
    gap: 15px;
    margin: 2rem -0.5rem 0;
    scroll-padding: 0 1rem;
  }

  .testimonial-card {
    min-width: 260px;
    margin-right: 5px;
    flex: 0 0 80%;
  }
}

@media (max-width: 1024px) {
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    padding: 0 1rem;
  }
}

/* Language Selector Styles */
.language-selector-container {
  display: flex;
  align-items: center;
  margin-left: 20px;
  position: relative;
}

.language-label {
  margin-right: 8px;
  font-size: 14px;
  color: #333;
}

#language-selector {
  padding: 6px 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  background-color: white;
  font-size: 14px;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 8px center;
  background-size: 12px;
  padding-right: 28px;
}

#language-selector:hover {
  border-color: #aaa;
}

#language-selector:focus {
  outline: none;
  border-color: #0066cc;
  box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.2);
}

@media (max-width: 768px) {
  .language-selector-container {
    margin-left: 10px;
  }

  .language-label {
    display: none;
  }

  #language-selector {
    padding: 4px 24px 4px 8px;
    font-size: 12px;
    background-size: 10px;
    background-position: right 6px center;
  }
}

/* For very small screens */
@media (max-width: 480px) {
  .language-selector-container {
    margin-left: 5px;
  }

  #language-selector {
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}