@font-face {
  font-family: 'Inter';
  src: url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');
}

:root {
  --bg-color: #000000;
  --primary-color: #00C896;
  --text-color: #ffffff;
  --text-secondary-color: #888888;
  --border-color: rgba(255, 255, 255, 0.1);
  --card-bg: rgba(255, 255, 255, 0.05);
  --card-hover-bg: rgba(255, 255, 255, 0.08);
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.quantum-dots {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
  background: radial-gradient(ellipse at center, rgba(4, 33, 25, 0.3) 0%, rgba(0,0,0,0) 70%);
}

.quantum-dot {
  position: absolute;
  background-color: white;
  border-radius: 50%;
  opacity: 0;
  animation: float 20s infinite linear;
}

@keyframes float {
  0% { transform: translateY(0) translateX(0); opacity: 0; }
  10% { opacity: 0.7; }
  90% { opacity: 0.7; }
  100% { transform: translateY(-100vh) translateX(var(--x-end)); opacity: 0; }
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.navbar {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: 95%;
  max-width: 1200px;
  z-index: 1000;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(16, 18, 27, 0.5);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  animation: fadeInDown 1s ease-out;
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translate(-50%, -100%); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-logo img {
  height: 32px;
  width: 32px;
}

.nav-logo-text {
  font-size: 20px;
  font-weight: 600;
}

.nav-links a {
  color: var(--text-secondary-color);
  text-decoration: none;
  margin-left: 32px;
  font-weight: 500;
  transition: color 0.3s ease;
}

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

.nav-cta {
  background: var(--primary-color);
  color: #000;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.nav-cta:hover {
  transform: scale(1.05);
  box-shadow: 0 0 20px rgba(0, 200, 150, 0.5);
}

.hero {
  padding-top: 20vh;
  min-height: 100vh;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.hero-content {
  animation: fadeInUp 1s ease-out 0.2s;
  animation-fill-mode: forwards;
  opacity: 0;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero h1 {
  font-size: 72px;
  font-weight: 800;
  background: linear-gradient(90deg, #ffffff, #d0d0d0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -2px;
  margin-bottom: 16px;
}

.hero .highlight {
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color, #3694FF));
  -webkit-background-clip: text;
}

.hero p {
  font-size: 20px;
  max-width: 600px;
  color: var(--text-secondary-color);
  margin-bottom: 32px;
}

.hero-cta-group {
  display: flex;
  gap: 16px;
}

.btn {
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--primary-color);
  color: #000;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(0, 200, 150, 0.6);
}

.btn-secondary {
  background: var(--card-bg);
  color: var(--text-color);
  border: 1px solid var(--border-color);
}
.btn-secondary:hover {
  background: var(--card-hover-bg);
  border-color: #fff;
}

.hero-image-showcase {
    margin-top: 100px;
    position: relative;
    width: 100%;
    max-width: 1000px;
}

.hero-image-showcase img {
    border-radius: 16px;
    border: 1px solid var(--border-color);
    position: absolute;
    width: 250px;
    transition: transform 0.5s ease-out;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.hero-image-showcase img:nth-child(1) {
    transform: rotate(-10deg) translate(-50%, -10%);
    z-index: 1;
    left: 20%;
}

.hero-image-showcase img:nth-child(2) {
    transform: rotate(0deg) scale(1.1);
    z-index: 2;
    left: 50%;
    transform: translateX(-50%);
}

.hero-image-showcase img:nth-child(3) {
    transform: rotate(10deg) translate(50%, -10%);
    z-index: 1;
    right: 20%;
}

.hero:hover .hero-image-showcase img:nth-child(1) {
    transform: rotate(-12deg) translate(-50%, -15%) scale(1.05);
}
.hero:hover .hero-image-showcase img:nth-child(2) {
    transform: translateX(-50%) scale(1.15);
}
.hero:hover .hero-image-showcase img:nth-child(3) {
    transform: rotate(12deg) translate(50%, -15%) scale(1.05);
}


section {
  padding: 80px 0;
  margin-bottom: 20px;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2 {
  font-size: 48px;
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 12px;
}

.section-header p {
  font-size: 18px;
  color: var(--text-secondary-color);
  max-width: 500px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 32px;
  border-radius: 16px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  margin-bottom: 16px;
}

.feature-card:hover {
  transform: translateY(-5px);
  background: var(--card-hover-bg);
  border-color: rgba(255, 255, 255, 0.2);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at var(--x) var(--y), rgba(0, 200, 150, 0.15), transparent 50%);
  opacity: 0;
  transition: opacity 0.5s;
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  font-size: 32px;
  color: var(--primary-color);
  margin-bottom: 16px;
  background-color: rgba(0, 200, 150, 0.1);
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
}

.feature-card h3 {
  font-size: 22px;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--text-secondary-color);
  font-size: 16px;
}

.screenshot-carousel {
  position: relative;
  width: 100%;
  max-width: 350px;
  margin: 0 auto;
}

.carousel-viewport {
    overflow: hidden;
    width: 100%;
}

.carousel-track {
  display: flex;
  transition: transform 0.5s ease-in-out;
}

.carousel-slide {
  flex: 0 0 100%;
  padding: 0 12px;
  display: flex;
  justify-content: center;
}

.carousel-slide img {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 0;
  pointer-events: none;
}

.carousel-btn {
  pointer-events: all;
  background-color: rgba(0,0,0,0.3);
  color: white;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(5px);
}
.carousel-btn:hover {
  background-color: rgba(0,0,0,0.6);
  transform: scale(1.1);
}
.carousel-btn.prev {
  margin-left: -40px;
}
.carousel-btn.next {
  margin-right: -40px;
}
.carousel-dots {
    text-align: center;
    margin-top: 24px;
}
.carousel-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    background-color: var(--border-color);
    border-radius: 50%;
    margin: 0 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}
.carousel-dot.active {
    background-color: var(--primary-color);
}

.footer {
  background: var(--card-bg);
  border-top: 1px solid var(--border-color);
  padding: 30px 0;
  text-align: center;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.footer-logo img {
  height: 40px;
  width: 40px;
}

.footer-logo-text {
  font-size: 24px;
  font-weight: 600;
}

.footer-links {
  margin-bottom: 24px;
}

.footer-links a {
  color: var(--text-secondary-color);
  text-decoration: none;
  margin: 0 16px;
  transition: color 0.3s ease;
}

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

.footer-copyright {
  color: var(--text-secondary-color);
  font-size: 14px;
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.phone-mockup {
    position: relative;
    width: 280px;
    height: 560px;
    margin: 0 auto;
    background: #111;
    border-radius: 40px;
    box-shadow: 0 0 0 2px #333, 0 20px 50px rgba(0,0,0,0.5);
    padding: 12px;
}

.phone-mockup-screen {
    background: #000;
    width: 100%;
    height: 100%;
    border-radius: 30px;
    overflow: hidden;
}

.phone-mockup-screen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tech-stack-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.tech-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 24px;
    height: 150px;
    background: var(--card-bg);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    text-align: center;
}

.tech-card:hover {
    transform: translateY(-5px);
    background: var(--card-hover-bg);
    border-color: rgba(255, 255, 255, 0.2);
}

.tech-card svg {
    width: 48px;
    height: 48px;
}

.tech-card p {
    font-size: 16px;
    font-weight: 500;
}

.quick-start {
    /* background: var(--card-bg); */
    /* border-top: 1px solid var(--border-color); */
    /* border-bottom: 1px solid var(--border-color); */
}

.quick-start-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: start;
    margin-bottom: 32px;
}

.quick-start-column h3 {
    font-size: 24px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.code-block {
    background: #0D1117;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    font-family: 'SF Mono', 'Menlo', 'monospace';
    font-size: 14px;
    overflow-x: auto;
    margin-top: 16px;
    line-height: 1.6;
    white-space: pre-wrap;
}

.code-block pre {
    margin: 0;
    white-space: pre;
}

.code-block span {
    color: #58A6FF;
    display: block;
    margin-bottom: 4px;
}

.code-block code {
    display: block;
    margin: 4px 0;
}

.contributing-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    background: var(--card-bg);
    padding: 48px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.contributing-content p {
    color: var(--text-secondary-color);
    margin-bottom: 24px;
}

.navbar .nav-logo-text,
.navbar .nav-links a {
    text-shadow: 0 1px 3px rgba(0,0,0,0.7);
}

@media (max-width: 768px) {
  section {
    padding: 60px 0;
    margin-bottom: 10px;
  }

  .nav-links { display: none; }
  .hero { 
    padding-top: 100px;
    min-height: 80vh; 
  }
  .hero h1 { 
    font-size: 36px; 
    letter-spacing: -1px;
  }
  .hero p { font-size: 16px; margin-bottom: 24px; }
  .hero-image-showcase { 
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 40px;
  }
  .hero-image-showcase img {
    position: relative;
    width: 70%;
    margin: 10px auto;
    transform: none !important;
    left: auto !important;
    right: auto !important;
  }
  .section-header h2 { font-size: 28px; margin-bottom: 12px; }
  .section-header p { font-size: 16px; }
  .btn { padding: 12px 20px; font-size: 14px; }
  .quick-start-content { 
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .features-grid { grid-template-columns: 1fr; }
  .tech-stack-grid { 
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .download-options { 
    flex-direction: column; 
    align-items: center;
    gap: 24px;
  }
  .download-card { 
    width: 100%; 
    max-width: 320px;
  }
  .feature-card {
    margin-bottom: 16px;
  }
  .navbar {
    width: 90%;
    padding: 12px 16px;
  }
  .carousel-btn.prev {
    margin-left: -12px;
  }
  .carousel-btn.next {
    margin-right: -12px;
  }
}

/* Small phones */
@media (max-width: 480px) {
  .hero h1 {
    font-size: 28px;
  }
  
  .section-header h2 {
    font-size: 24px;
  }
  
  .feature-card {
    padding: 24px;
  }
  
  .tech-stack-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .carousel-btn {
    width: 36px;
    height: 36px;
  }
  
  .footer-links a {
    margin: 0 8px;
    font-size: 14px;
  }
}

.download-options {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-top: 32px;
}

.download-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    width: 280px;
    text-align: center;
    transition: all 0.3s ease;
}

.download-card:hover {
    transform: translateY(-5px);
    background: var(--card-hover-bg);
    border-color: rgba(255, 255, 255, 0.2);
}

.download-card h3 {
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.download-card p {
    color: var(--text-secondary-color);
    margin-bottom: 16px;
    font-size: 14px;
}

.version-badge {
    display: inline-block;
    background: rgba(0, 200, 150, 0.15);
    color: var(--primary-color);
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 12px;
    margin-bottom: 16px;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 32px;
}

.contact-link {
    color: var(--text-secondary-color);
    font-size: 24px;
    transition: all 0.3s ease;
}

.contact-link:hover {
    color: var(--primary-color);
    transform: translateY(-3px);
}

#download {
    padding: 20px 0;
}

#contribute {
    padding: 40px 0;
}

#features {
  padding-top: 160px;
}