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

body {
  font-family: "Fredoka", "Comic Sans MS", "Chalkduster", "Bradley Hand",
    cursive, sans-serif;
  line-height: 1.6;
  color: #333;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  padding: 10px 0;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

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

.logo-text {
  font-size: 1.5rem;
  font-weight: bold;
  color: #333;
  font-family: "Fredoka", "Comic Sans MS", "Chalkduster", "Bradley Hand",
    cursive, sans-serif;
}

.nav-links {
  display: flex;
  gap: 30px;
  align-items: center;
}

.nav-link {
  color: #333;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1rem;
  transition: color 0.3s ease;
  font-family: "Fredoka", "Comic Sans MS", "Chalkduster", "Bradley Hand",
    cursive, sans-serif;
}

.nav-link:hover {
  color: #667eea;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  position: relative;
  z-index: 1001;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: #333;
  margin: 3px 0;
  transition: 0.3s;
  border-radius: 3px;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}

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

.menu-toggle.active span:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}

/* Header Hero */
.hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  z-index: 2;
  width: 100%;
  text-align: center;
}

.hero-text-center {
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3rem;
  color: #fff;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
  font-weight: bold;
}

.hero-subtitle {
  font-size: 1.4rem;
  color: #e0e0e0;
  margin-bottom: 40px;
  line-height: 1.6;
}

.coming-soon {
  text-align: center;
}

.soon-badge {
  background: linear-gradient(45deg, #ff6b6b, #ffd93d);
  color: white;
  padding: 15px 30px;
  border-radius: 50px;
  font-size: 1.5rem;
  font-weight: bold;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

.hero-decoration {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.floating-icon {
  position: absolute;
  font-size: 3rem;
  animation: float 6s ease-in-out infinite;
}

.floating-icon:nth-child(1) {
  top: 20%;
  left: 10%;
}

.floating-icon:nth-child(2) {
  top: 60%;
  right: 15%;
}

.floating-icon:nth-child(3) {
  top: 30%;
  right: 30%;
}

.floating-icon:nth-child(4) {
  top: 70%;
  left: 20%;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(10deg);
  }
}

/* Preview Section */
.preview-section {
  padding: 80px 0;
  background: #ffffff;
}

.section-title {
  text-align: center;
  font-size: 3rem;
  color: #333;
  margin-bottom: 50px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.models-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin-bottom: 40px;
}

.model-card {
  background: white;
  border-radius: 20px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: all 0.3s ease;
  border: 3px solid transparent;
}

.model-card:hover {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  border-color: #ffd93d;
}

.model-card h3 {
  font-size: 1.8rem;
  margin-bottom: 15px;
  color: #333;
}

.model-container {
  position: relative;
  width: 100%;
  height: 300px;
  background: #ffffff;
  border-radius: 15px;
  margin-bottom: 15px;
}

.ar-button {
  background: linear-gradient(45deg, #ff6b6b, #ffd93d);
  color: white;
  border: none;
  padding: 12px 20px;
  border-radius: 25px;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
  box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
  animation: arPulse 2s infinite;
  position: absolute;
  bottom: 10px;
  right: 10px;
  z-index: 10;
  font-family: "Fredoka", sans-serif;
  min-width: 120px;
}

.ar-button:hover {
  background: linear-gradient(45deg, #ff5252, #ffcc02);
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(255, 107, 107, 0.6);
}

@keyframes arPulse {
  0% {
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.6);
    transform: scale(1.02);
  }
  100% {
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
    transform: scale(1);
  }
}

.model-card p {
  font-size: 1.1rem;
  color: #666;
  font-weight: bold;
}

/* Tutorial Modal */
.tutorial-modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(10px);
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.tutorial-content {
  position: relative;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  margin: 2% auto;
  padding: 0;
  width: 90%;
  max-width: 800px;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  max-height: 95vh;
  display: flex;
  flex-direction: column;
}

.tutorial-header {
  padding: 20px 30px;
  background: rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.tutorial-header h3 {
  color: white;
  font-size: 1.8rem;
  margin: 0;
  font-family: "Fredoka", sans-serif;
}

.close-tutorial {
  color: white;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  border: none;
  background: none;
  padding: 5px 10px;
  border-radius: 50%;
  transition: all 0.3s ease;
}

.close-tutorial:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}

.tutorial-body {
  flex: 1;
  overflow-y: auto;
  padding: 30px;
}

.tutorial-step {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 15px;
  padding: 25px;
  margin-bottom: 20px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transform: translateY(20px);
  opacity: 0;
  animation: slideUp 0.5s ease forwards;
}

.tutorial-step:nth-child(1) {
  animation-delay: 0.1s;
}
.tutorial-step:nth-child(2) {
  animation-delay: 0.2s;
}
.tutorial-step:nth-child(3) {
  animation-delay: 0.3s;
}
.tutorial-step:nth-child(4) {
  animation-delay: 0.4s;
}
.tutorial-step:nth-child(5) {
  animation-delay: 0.5s;
}

@keyframes slideUp {
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.step-icon {
  font-size: 3rem;
  margin-bottom: 15px;
  display: block;
  text-align: center;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

.step-title {
  color: #ffd93d;
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 15px;
  text-align: center;
}

.step-description {
  color: white;
  font-size: 1rem;
  line-height: 1.6;
  text-align: center;
}

.step-controls {
  display: flex;
  justify-content: space-around;
  margin-top: 20px;
  flex-wrap: wrap;
  gap: 15px;
}

.control-demo {
  background: rgba(255, 255, 255, 0.2);
  padding: 15px;
  border-radius: 10px;
  text-align: center;
  flex: 1;
  min-width: 120px;
}

.control-icon {
  font-size: 2rem;
  margin-bottom: 8px;
  display: block;
}

.control-text {
  color: white;
  font-size: 0.9rem;
  font-weight: 500;
}

.tutorial-footer {
  padding: 20px 30px;
  background: rgba(0, 0, 0, 0.2);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

.start-ar-btn {
  background: linear-gradient(45deg, #51cf66, #40c057);
  color: white;
  border: none;
  padding: 15px 30px;
  border-radius: 25px;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: "Fredoka", sans-serif;
}

.start-ar-btn:hover {
  background: linear-gradient(45deg, #40c057, #37b24d);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(81, 207, 102, 0.4);
}

.tutorial-nav-btn {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: none;
  padding: 12px 25px;
  border-radius: 25px;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: "Fredoka", sans-serif;
}

.tutorial-nav-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

/* Features Section */
.features {
  padding: 80px 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

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

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.feature-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  padding: 30px;
  text-align: center;
  border: 2px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

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

.feature-icon {
  font-size: 3rem;
  margin-bottom: 15px;
}

.feature-card h3 {
  font-size: 1.5rem;
  color: white;
  margin-bottom: 15px;
}

.feature-card p {
  color: #e0e0e0;
  font-size: 1rem;
}

/* CTA Section */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(45deg, #ff6b6b, #ffd93d);
  text-align: center;
}

.cta-content h2 {
  font-size: 2.5rem;
  color: white;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.cta-content p {
  font-size: 1.3rem;
  color: white;
  margin-bottom: 40px;
}

.notify-form {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.email-input {
  padding: 15px 20px;
  border: none;
  border-radius: 25px;
  font-size: 1.1rem;
  width: 300px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.notify-button {
  background: linear-gradient(45deg, #845ef7, #7c3aed);
  color: white;
  border: none;
  padding: 15px 30px;
  border-radius: 25px;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
}

.notify-button:hover {
  background: linear-gradient(45deg, #7c3aed, #6d28d9);
  transform: scale(1.05);
}

.social-links p {
  color: white;
  font-size: 1.2rem;
  margin-bottom: 20px;
}

.social-icons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.social-link {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  text-decoration: none;
  padding: 10px 20px;
  border-radius: 20px;
  transition: all 0.3s ease;
}

.social-link:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-3px);
}

/* Footer */
footer {
  background: #333;
  color: white;
  text-align: center;
  padding: 30px 0;
}

footer p {
  font-size: 1.1rem;
}

/* WhatsApp Button */
.whatsapp-button {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
}

.whatsapp-button a {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #25d366;
  color: white;
  text-decoration: none;
  padding: 15px 20px;
  border-radius: 50px;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
  transition: all 0.3s ease;
  font-weight: bold;
  font-size: 1rem;
}

.whatsapp-button a:hover {
  background: #20ba5a;
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(37, 211, 102, 0.4);
}

.whatsapp-button svg {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

/* Responsive Design */
@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: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .menu-toggle {
    display: flex;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .hero-subtitle {
    font-size: 1.2rem;
  }

  .section-title {
    font-size: 2rem;
    margin-bottom: 30px;
  }

  .models-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .model-card {
    padding: 15px;
  }

  .model-container {
    height: 250px;
  }

  .ar-button {
    padding: 10px 15px;
    font-size: 0.9rem;
    bottom: 8px;
    right: 8px;
    min-width: 100px;
  }

  .tutorial-content {
    width: 95%;
    margin: 5% auto;
    max-height: 90vh;
  }

  .tutorial-body {
    padding: 20px;
  }

  .tutorial-step {
    padding: 20px;
  }

  .step-controls {
    flex-direction: column;
  }

  .control-demo {
    min-width: auto;
  }

  .tutorial-footer {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.8rem;
  }

  .tutorial-header {
    padding: 15px 20px;
  }

  .tutorial-header h3 {
    font-size: 1.5rem;
  }

  .tutorial-body {
    padding: 15px;
  }

  .tutorial-step {
    padding: 15px;
    margin-bottom: 15px;
  }

  .step-title {
    font-size: 1.3rem;
  }

  .step-description {
    font-size: 0.9rem;
  }
}