:root {
  --dark-blue: #0a1a2f;
  --dark-blue-light: #0f2b42;
  --primary: #04ac6f;
  --primary-dark: #038a58;
  --primary-light: #e6f7f0;
  --primary-glow: rgba(4, 172, 111, 0.4);
  --gray-400: #94a3b8;
  --gray-300: #cbd5e1;
  --white: #ffffff;
  --teal: var(--primary);
  --teal-dark: var(--primary-dark);
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "Inter", sans-serif;
  background: var(--dark-blue);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
section {
  padding: 100px 0;
  position: relative;
}
h2 {
  font-size: clamp(2rem, 5vw, 2.8rem);
  color: var(--teal);
  margin-bottom: 20px;
}
h3 {
  font-size: clamp(1.3rem, 3vw, 1.6rem);
  margin-bottom: 12px;
}
p {
  font-size: 1.1rem;
  color: var(--gray-400);
}
.btn {
  display: inline-block;
  background: var(--teal);
  color: var(--dark-blue);
  padding: 16px 40px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(0, 196, 180, 0.3);
}
.btn:hover {
  background: var(--teal-dark);
  transform: translateY(-2px);
}
.btn-secondary {
  background: transparent;
  border: 2px solid var(--teal);
  color: var(--teal);
}
.btn-secondary:hover {
  background: var(--teal);
  color: var(--dark-blue);
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease forwards;
}
@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.fade-in-delay-1 {
  animation-delay: 0.2s;
}
.fade-in-delay-2 {
  animation-delay: 0.4s;
}

.circle-decoration {
  position: absolute;
  border-radius: 50%;
  background: var(--teal);
  opacity: 0.15;
  z-index: 0;
  animation: float 20s ease-in-out infinite;
}
@keyframes float {
  0%,
  100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(30px, -30px);
  }
}
.circle-1 {
  width: 300px;
  height: 300px;
  top: -100px;
  right: -100px;
}
.circle-2 {
  width: 200px;
  height: 200px;
  bottom: 100px;
  left: -50px;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
}
.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-text h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  color: var(--teal);
  margin-bottom: 24px;
}
.hero-text p {
  font-size: 1.3rem;
  margin-bottom: 40px;
  line-height: 1.8;
}
.hero-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.phone-mockup {
  max-width: 400px;
  width: 100%;
  border-radius: 40px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
  animation: floatPhone 6s ease-in-out infinite;
}
@keyframes floatPhone {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

/* Problem Section */
.problem-value {
  background: linear-gradient(
    180deg,
    var(--dark-blue) 0%,
    var(--dark-blue-light) 100%
  );
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-top: 60px;
}
.problem-card {
  background: rgba(255, 255, 255, 0.05);
  padding: 40px;
  border-radius: 20px;
  border: 1px solid rgba(0, 196, 180, 0.2);
  transition: all 0.3s ease;
}
.problem-card:hover {
  transform: translateY(-10px);
  border-color: var(--teal);
  box-shadow: 0 20px 40px rgba(0, 196, 180, 0.2);
}
.icon-badge {
  width: 60px;
  height: 60px;
  background: var(--teal);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 20px;
}
.target-users {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 30px;
}
.user-tag {
  background: rgba(0, 196, 180, 0.2);
  padding: 10px 20px;
  border-radius: 50px;
  font-weight: 500;
  border: 1px solid var(--teal);
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  margin-top: 60px;
}
.feature-card {
  background: rgba(255, 255, 255, 0.05);
  padding: 40px;
  border-radius: 20px;
  text-align: center;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}
.feature-card:hover {
  border-color: var(--teal);
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 196, 180, 0.2);
}
.feature-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  display: block;
}
.feature-card h3 {
  color: var(--teal);
}
.feature-details {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.feature-details ul {
  list-style: none;
  text-align: left;
  font-size: 0.95rem;
}
.feature-details li {
  margin: 8px 0;
  padding-left: 25px;
  position: relative;
}
.feature-details li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--teal);
  font-weight: bold;
}

/* Screenshots */
.screenshots {
  background: linear-gradient(
    180deg,
    var(--dark-blue) 0%,
    var(--dark-blue-light) 100%
  );
  text-align: center;
}
.screenshot-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  margin-top: 60px;
}
.screenshot-item {
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.05);
  padding: 20px;
  transition: all 0.3s ease;
}
.screenshot-item:hover {
  transform: scale(1.05);
  box-shadow: 0 20px 40px rgba(0, 196, 180, 0.3);
}
.screenshot-item img {
  width: 100%;
  border-radius: 20px;
  border: 5px solid var(--white);
}
.screenshot-caption {
  margin-top: 20px;
  font-weight: 600;
  color: var(--teal);
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 60px;
}
.testimonial-card {
  background: rgba(255, 255, 255, 0.05);
  padding: 40px;
  border-radius: 20px;
  border-left: 4px solid var(--teal);
  transition: all 0.3s ease;
}
.testimonial-card:hover {
  transform: translateY(-5px);
}
.testimonial-text {
  font-style: italic;
  margin-bottom: 20px;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 15px;
}
.author-avatar {
  width: 50px;
  height: 50px;
  background: var(--teal);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: var(--dark-blue);
}

/* FAQ */
.faq {
  background: linear-gradient(
    180deg,
    var(--dark-blue) 0%,
    var(--dark-blue-light) 100%
  );
}
.faq-container {
  max-width: 800px;
  margin: 60px auto 0;
}
.faq-item {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 15px;
  margin-bottom: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.faq-question {
  padding: 25px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-question:hover {
  background: rgba(255, 255, 255, 0.08);
}
.faq-toggle {
  font-size: 1.5rem;
  color: var(--teal);
  transition: transform 0.3s ease;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 25px;
}
.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 25px 25px;
}
.faq-item.active .faq-toggle {
  transform: rotate(180deg);
}

/* Newsletter */
.newsletter {
  text-align: center;
}
.newsletter-form {
  max-width: 500px;
  margin: 40px auto 0;
  display: flex;
  gap: 15px;
}
.newsletter-form input {
  flex: 1;
  padding: 16px 24px;
  border-radius: 50px;
  border: 2px solid var(--teal);
  background: rgba(255, 255, 255, 0.05);
  color: var(--white);
  font-size: 1rem;
}
.newsletter-form input::placeholder {
  color: var(--gray-400);
}

/* Footer */
footer {
  background: var(--dark-blue-light);
  padding: 60px 0 30px;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}
.footer-links {
  list-style: none;
}
.footer-links li {
  margin: 12px 0;
}
.footer-links a {
  color: var(--gray-400);
  text-decoration: none;
}
.footer-links a:hover {
  color: var(--teal);
}
.social-icons {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 20px;
}
.social-icon {
  width: 45px;
  height: 45px;
  background: rgba(0, 196, 180, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  border: 1px solid var(--teal);
  text-decoration: none;
  transition: all 0.3s ease;
  color: #ffffff;
}
.social-icon:hover {
  background: var(--teal);
  transform: translateY(-3px);
}

.phone-carousel {
  position: relative;
  max-width: 380px;
  margin: 0 auto;
  border-radius: 40px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
}
.carousel-slide {
  display: none;
  animation: fade 0.8s ease-in-out;
}
.carousel-slide.active {
  display: block;
}
.carousel-slide img {
  width: 100%;
  height: auto;
  display: block;
}
.carousel-prev,
.carousel-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 196, 180, 0.7);
  color: white;
  border: none;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  font-size: 1.8rem;
  cursor: pointer;
  z-index: 10;
  transition: all 0.3s ease;
}
.carousel-prev {
  left: -20px;
}
.carousel-next {
  right: -20px;
}
.carousel-prev:hover,
.carousel-next:hover {
  background: var(--teal);
  transform: translateY(-50%) scale(1.1);
}
.carousel-dots {
  text-align: center;
  margin-top: 20px;
}
.dot {
  height: 12px;
  width: 12px;
  margin: 0 6px;
  background-color: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  display: inline-block;
  cursor: pointer;
  transition: all 0.3s ease;
}
.dot.active,
.dot:hover {
  background-color: var(--teal);
  transform: scale(1.3);
}
@keyframes fade {
  from {
    opacity: 0.8;
  }
  to {
    opacity: 1;
  }
}

/* Responsive */
@media (max-width: 968px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-buttons {
    justify-content: center;
  }
  .phone-carousel {
    max-width: 320px;
  }
  .carousel-prev {
    left: 10px;
  }
  .carousel-next {
    right: 10px;
  }
}

/* Responsive */
@media (max-width: 968px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-buttons {
    justify-content: center;
  }
  .hero-image {
    order: -1;
  }
  .phone-mockup {
    max-width: 300px;
  }
  section {
    padding: 60px 0;
  }
  .newsletter-form {
    flex-direction: column;
  }
  .footer-content {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 640px) {
  .problem-grid,
  .features-grid,
  .screenshot-gallery,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}