/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: #1a1a1a;
  background-color: #ffffff;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Color Variables */
:root {
  --primary: #8b5cf6;
  --primary-dark: #7c3aed;
  --accent: #06b6d4;
  --accent-dark: #0891b2;
  --text-primary: #1a1a1a;
  --text-secondary: #6b7280;
  --background: #ffffff;
  --card-background: #f9fafb;
  --border: #e5e7eb;
}

/* Typography */
.text-primary {
  color: var(--primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border: none;
  border-radius: 0.75rem;
  font-size: 1.125rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background-color: var(--primary);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: white;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-secondary:hover {
  background-color: var(--primary);
  color: white;
}

.btn-outline {
  background-color: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border);
}

.btn-outline:hover {
  background-color: var(--card-background);
}

/* Icons */
.icon {
  width: 1.25rem;
  height: 1.25rem;
  stroke-width: 2;
}

.star-icon {
  color: #fbbf24;
}

/* Badge */
.badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: rgba(139, 92, 246, 0.1);
  color: var(--primary);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
  padding: 5rem 0 8rem;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

@media (min-width: 1024px) {
  .hero-title {
    font-size: 3.75rem;
  }
}

.hero-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.cta-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

@media (min-width: 640px) {
  .cta-buttons {
    flex-direction: row;
  }
}

.social-proof {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

@media (min-width: 640px) {
  .social-proof {
    flex-direction: row;
    gap: 2rem;
  }
}

.proof-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-image {
  position: relative;
}

.image-container {
  position: relative;
  z-index: 10;
}

.image-container img {
  width: 100%;
  max-width: 32rem;
  margin: 0 auto;
  border-radius: 1rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  display: block;
}

.image-glow {
  position: absolute;
  inset: 0;
  background: rgba(139, 92, 246, 0.2);
  border-radius: 1rem;
  filter: blur(3rem);
  transform: scale(1.1);
  z-index: -1;
}

/* Problems Section */
.problems-section {
  padding: 5rem 0;
  background-color: var(--card-background);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

@media (min-width: 1024px) {
  .section-title {
    font-size: 3rem;
  }
}

.section-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 48rem;
  margin: 0 auto;
}

.problems-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 4rem;
}

@media (min-width: 768px) {
  .problems-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.problem-card {
  background: white;
  padding: 2rem;
  border-radius: 1rem;
  text-align: center;
  border: 2px solid var(--border);
  transition: all 0.3s ease;
}

.problem-card:hover {
  border-color: rgba(139, 92, 246, 0.5);
  transform: translateY(-4px);
}

.problem-icon {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}

.brain-icon {
  background-color: rgba(139, 92, 246, 0.1);
  color: var(--primary);
}

.target-icon {
  background-color: rgba(6, 182, 212, 0.1);
  color: var(--accent);
}

.energy-icon {
  background-color: rgba(34, 197, 94, 0.1);
  color: #22c55e;
}

.problem-icon svg {
  width: 2rem;
  height: 2rem;
  stroke-width: 2;
}

.problem-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.problem-card p {
  color: var(--text-secondary);
}

.problems-image {
  text-align: center;
}

.problems-image img {
  width: 100%;
  max-width: 64rem;
  border-radius: 0.75rem;
  box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.1);
}

/* Solution Section */
.solution-section {
  padding: 5rem 0;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
}

.solution-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 1024px) {
  .solution-grid {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
}

.solution-image img {
  width: 100%;
  border-radius: 1rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.solution-title {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

@media (min-width: 1024px) {
  .solution-title {
    font-size: 3rem;
  }
}

.solution-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.benefits-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.check-icon {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--primary);
  margin-top: 0.25rem;
  flex-shrink: 0;
  stroke-width: 2;
}

.benefit-item h4 {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.benefit-item p {
  color: var(--text-secondary);
}

/* Contents Section */
.contents-section {
  padding: 5rem 0;
  background-color: var(--card-background);
}

.contents-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 768px) {
  .contents-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .contents-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.content-card {
  background: white;
  padding: 1.5rem;
  border-radius: 1rem;
  transition: all 0.3s ease;
  border: 1px solid var(--border);
}

.content-card:hover {
  box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.content-icon {
  width: 3rem;
  height: 3rem;
  background-color: rgba(139, 92, 246, 0.1);
  color: var(--primary);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.content-icon svg {
  width: 1.5rem;
  height: 1.5rem;
  stroke-width: 2;
}

.content-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.content-card p {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Final CTA Section */
.final-cta-section {
  padding: 5rem 0;
  background-color: var(--primary);
  color: white;
  text-align: center;
}

.cta-content {
  max-width: 64rem;
  margin: 0 auto;
}

.cta-title {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
}

@media (min-width: 1024px) {
  .cta-title {
    font-size: 3rem;
  }
}

.cta-description {
  font-size: 1.25rem;
  opacity: 0.9;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.guarantees {
  margin-top: 2rem;
}

.guarantee-text {
  font-size: 1.125rem;
  opacity: 0.9;
  line-height: 1.6;
  font-style: italic;
  max-width: 48rem;
  margin: 0 auto;
}

.guarantee-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.guarantee-item .check-icon {
  width: 1rem;
  height: 1rem;
  color: white;
}

/* Footer */
.footer {
  padding: 3rem 0;
  background-color: var(--card-background);
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer p {
  color: var(--text-secondary);
}

.disclaimer {
  background-color: white;
  padding: 2rem;
  border-radius: 0.75rem;
  margin-bottom: 2rem;
  border: 1px solid var(--border);
  text-align: left;
}

.disclaimer p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.disclaimer p:last-child {
  margin-bottom: 0;
}

.footer > .container > p:last-child {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-top: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .solution-title,
  .cta-title {
    font-size: 1.75rem;
  }

  .hero-description,
  .section-description,
  .cta-description {
    font-size: 1rem;
  }

  .btn {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
  }
}

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

.hero-content,
.hero-image,
.problem-card,
.content-card {
  animation: fadeInUp 0.6s ease-out;
}

.problem-card:nth-child(2) {
  animation-delay: 0.1s;
}

.problem-card:nth-child(3) {
  animation-delay: 0.2s;
}
