:root {
  --primary-color: #3b82f6;
  --primary-dark: #2563eb;
  --secondary-color: #f9fafb;
  --dark-color: #111827;
  --gray-color: #6b7280;
  --light-color: #ffffff;
  --border-color: #e5e7eb;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: "Roboto", sans-serif;
  line-height: 1.7;
  color: var(--gray-color);
  background-color: var(--light-color);
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 20px;
}

section {
  padding: 100px 0;
}

h1,
h2,
h3 {
  font-family: "Poppins", sans-serif;
  font-weight: 700;
  color: var(--dark-color);
  line-height: 1.3;
  margin-bottom: 16px;
}

h1 {
  font-size: 3.2rem;
  font-weight: 700;
  color: var(--dark-color);
  line-height: 1.2;
  margin-bottom: 20px;
}

h1 strong {
  color: var(--primary-color);
}

h2 {
  font-size: 2.4rem;
  text-align: center;
  font-weight: 700;
  color: var(--dark-color);
  margin-bottom: 16px;
}

h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--dark-color);
  margin-bottom: 12px;
}

.section-subtitle {
  text-align: center;
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 50px auto;
}

.cta-button {
  display: inline-block;
  background: var(--primary-color);
  color: var(--light-color);
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  font-family: "Roboto", sans-serif;
  font-size: 1.1rem;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
}

.cta-button:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.header {
  background: var(--light-color);
  padding: 16px 0;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.header-right {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  color: var(--gray-color);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

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

.logo {
  font-size: 2rem;
  font-weight: 700;
  font-family: "Poppins", sans-serif;
  color: var(--primary-color);
  text-decoration: none;
}

#hero {
  padding: 80px 0 0 0;
  background: var(--light-color);
}

.hero-content {
  display: flex;
  align-items: center;
  gap: 60px;
}

.hero-text {
  flex: 1;
}

.hero-text p {
  font-size: 1.1rem;
  margin-bottom: 30px;
}

.hero-image {
  flex: 1;
  text-align: center;
}

.hero-image img {
  max-width: 100%;
  border-radius: 12px;
}

.cards-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 0;
}

.problem-title {
  margin-bottom: 40px !important;
}

.card {
  background: var(--light-color);
  padding: 36px 28px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  text-align: center;
  transition: all 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  border-color: var(--primary-color);
}

.card .icon {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 20px;
  transition: color 0.2s ease;
}

.card:hover .icon {
  color: var(--primary-dark);
}

#solution,
#for-whom {
  background-color: var(--secondary-color);
}

#how-it-works {
  background-color: var(--light-color);
}

.video-container {
  position: relative;
  width: 100%;
  margin: 0 auto;
  padding-top: 56.25%;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

#testimonials {
  background-color: var(--light-color);
}

.testimonials-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 50px;
}

.testimonial {
  background: var(--light-color);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 30px;
  transition: all 0.3s ease;
  position: relative;
}

.testimonial:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
}

.testimonial-content .quote-icon {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 20px;
  opacity: 0.7;
}

.testimonial-content p {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 25px;
  font-style: italic;
  color: var(--gray-color);
}

.testimonial-author {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.author-info h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark-color);
  margin-bottom: 5px;
}

.author-info span {
  font-size: 0.9rem;
  color: var(--gray-color);
}

.rating {
  display: flex;
  gap: 2px;
}

.rating i {
  font-size: 1rem;
  color: #fbbf24;
}

#pricing {
  background-color: var(--secondary-color);
}

.pricing-container {
  display: flex;
  justify-content: center;
  margin-top: 50px;
}

.pricing-card {
  background: var(--light-color);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 40px 30px;
  max-width: 400px;
  width: 100%;
  text-align: center;
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card.featured {
  border: 2px solid var(--primary-color);
  box-shadow: 0 10px 40px rgba(59, 130, 246, 0.1);
}

.pricing-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
}

.pricing-header .price-badge {
  background: var(--primary-color);
  color: var(--light-color);
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 20px;
}

.pricing-header h3 {
  font-size: 1.8rem;
  margin-bottom: 15px;
  color: var(--dark-color);
}

.price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  margin-bottom: 10px;
}

.price .currency {
  font-size: 1.5rem;
  color: var(--gray-color);
  margin-right: 5px;
}

.price .amount {
  font-size: 4rem;
  font-weight: 700;
  color: var(--dark-color);
  line-height: 1;
}

.price .period {
  font-size: 1.1rem;
  color: var(--gray-color);
  margin-left: 5px;
}

.price-description {
  color: var(--gray-color);
  font-size: 1rem;
  margin-bottom: 30px;
}

.pricing-features ul {
  list-style: none;
  text-align: left;
  margin-bottom: 30px;
}

.pricing-features li {
  padding: 12px 0;
  border-bottom: 1px solid #f3f4f6;
  display: flex;
  align-items: center;
  color: var(--gray-color);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features li i {
  color: #10b981;
  font-size: 1.2rem;
  margin-right: 15px;
  font-weight: bold;
}

.pricing-button {
  display: block;
  background: var(--primary-color);
  color: var(--light-color);
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  margin-bottom: 15px;
}

.pricing-button:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.3);
}

.guarantee {
  font-size: 0.9rem;
  color: var(--gray-color);
  margin: 0;
}

.faq-container {
  max-width: 800px;
  margin: 40px auto 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border-color);
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 20px 0;
  font-family: "Poppins", sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark-color);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question i {
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}

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

.faq-answer p {
  padding-bottom: 20px;
}

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

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

#final-cta {
  background: var(--primary-color);
  color: var(--light-color);
  text-align: center;
  border-radius: 20px;
  margin: 0 20px;
}

#final-cta .container {
  padding: 60px 20px;
}

#final-cta h2,
#final-cta p {
  color: var(--light-color);
}

#final-cta .cta-button {
  background: var(--light-color);
  color: var(--primary-color);
}

#final-cta .note {
  margin-top: 15px;
  font-size: 0.9rem;
  opacity: 0.8;
}

.footer {
  background: var(--dark-color);
  color: #d1d5db;
  padding: 40px 0;
  text-align: center;
  margin-top: 80px;
}

@media (max-width: 992px) {
  .nav {
    display: none;
  }

  .header-right {
    gap: 0;
  }

  .hero-content {
    flex-direction: column;
    text-align: center;
  }
  .hero-text {
    margin-bottom: 40px;
  }
}

@media (max-width: 768px) {
  section {
    padding: 80px 0;
  }

  h1 {
    font-size: 2.4rem;
    line-height: 1.3;
    margin-bottom: 18px;
  }
  h2 {
    font-size: 2rem;
    margin-bottom: 14px;
  }
  h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
  }

  .section-subtitle {
    margin: 0 auto 40px auto;
  }

  .cards-container,
  .testimonials-container {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .card {
    padding: 28px 24px;
    margin: 0 10px;
  }

  .cta-button {
    padding: 10px 20px;
    font-size: 1rem;
  }

  #hero {
    padding: 80px 0 100px 0;
  }

  .hero-content {
    flex-direction: column;
    text-align: center;
    gap: 40px;
  }

  .testimonial-author {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .pricing-card {
    margin: 0 10px;
    padding: 30px 20px;
  }

  .price .amount {
    font-size: 3rem;
  }
}