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

body {
  font-family:
    -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell,
    'Helvetica Neue', sans-serif;
  line-height: 1.6;
  color: #1a1a1a;
  background: #fff;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1rem;
}

.container-narrow {
  max-width: 768px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  z-index: 100;
  padding: 1rem 0;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: #856673;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 600;
  transition:
    transform 0.2s,
    box-shadow 0.2s;
  text-align: center;
}

.btn-primary {
  background: #856673;
  color: #fff;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(133, 102, 115, 0.3);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

/* Hero */
.hero {
  padding: 3rem 0;
  background: linear-gradient(to bottom, #fff, #f9fafb);
}

@media (min-width: 768px) {
  .hero {
    padding: 5rem 0;
  }
}

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

@media (min-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.hero-text {
  text-align: center;
}

@media (min-width: 768px) {
  .hero-text {
    text-align: left;
  }
}

.hero h1 {
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  color: #111;
}

@media (min-width: 768px) {
  .hero h1 {
    font-size: 3rem;
  }
}

@media (min-width: 1024px) {
  .hero h1 {
    font-size: 3.5rem;
  }
}

.hero-description {
  font-size: 1.125rem;
  color: #4b5563;
  margin-bottom: 2rem;
  line-height: 1.7;
}

@media (min-width: 768px) {
  .hero-description {
    font-size: 1.25rem;
  }
}

.social-proof {
  margin-top: 2rem;
  color: #6b7280;
  font-size: 1rem;
  text-align: center;
  grid-column: 1 / -1;
}

@media (min-width: 768px) {
  .social-proof {
    text-align: left;
    grid-column: 1 / 2;
  }
}

.hero-image {
  display: flex;
  justify-content: center;
}

@media (min-width: 768px) {
  .hero-image {
    justify-content: flex-end;
  }
}

.hero-image img {
  max-width: 350px;
  width: 100%;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.15));
}

@media (min-width: 768px) {
  .hero-image img {
    max-width: 400px;
  }
}

/* Sections */
.section {
  padding: 3rem 0;
}

@media (min-width: 768px) {
  .section {
    padding: 5rem 0;
  }
}

.section-alt {
  background: #f9fafb;
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 3rem;
  color: #111;
  line-height: 1.2;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.5rem;
    margin-bottom: 4rem;
  }
}

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

/* Pain Points */
.pain-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .pain-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

.pain-card {
  background: #f9fafb;
  border-left: 4px solid #856673;
  padding: 1.5rem;
  border-radius: 0.5rem;
}

.pain-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: #111;
  line-height: 1.3;
}

@media (min-width: 768px) {
  .pain-card h3 {
    font-size: 1.25rem;
  }
}

.pain-card p {
  color: #4b5563;
  line-height: 1.6;
  font-size: 0.95rem;
}

/* Features */
.feature-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .feature-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (min-width: 1024px) {
  .feature-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.feature-card {
  background: #fff;
  border-radius: 0.75rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
  transition:
    transform 0.2s,
    box-shadow 0.2s;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.feature-img {
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  width: 100%;
}

.feature-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: #111;
  line-height: 1.3;
}

@media (min-width: 768px) {
  .feature-card h3 {
    font-size: 1.25rem;
  }
}

.feature-card p {
  color: #4b5563;
  line-height: 1.6;
  font-size: 0.9rem;
}

@media (min-width: 768px) {
  .feature-card p {
    font-size: 0.95rem;
  }
}

/* Reviews */
.review-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}

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

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

.review-card {
  background: #fff;
  border-radius: 0.75rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  padding: 1.5rem;
}

.stars {
  color: #fbbf24;
  font-size: 1.125rem;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .stars {
    font-size: 1.25rem;
  }
}

.review-text {
  color: #4b5563;
  margin-bottom: 1rem;
  font-style: italic;
  line-height: 1.6;
  font-size: 0.95rem;
}

@media (min-width: 768px) {
  .review-text {
    font-size: 1rem;
  }
}

.review-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.avatar {
  font-size: 1.75rem;
}

@media (min-width: 768px) {
  .avatar {
    font-size: 2rem;
  }
}

.name {
  font-weight: 600;
  color: #111;
  font-size: 0.95rem;
}

/* Comparison */
.comparison {
  max-width: 900px;
  margin: 0 auto;
}

.comparison-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

@media (min-width: 768px) {
  .comparison-row {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
  }
}

.comparison-col {
  padding: 1rem;
  border-radius: 0.5rem;
  font-size: 0.95rem;
  line-height: 1.5;
}

@media (min-width: 768px) {
  .comparison-col {
    padding: 1.25rem;
    font-size: 1.05rem;
  }
}

.comparison-without {
  background: #fee2e2;
  color: #991b1b;
}

.comparison-with {
  background: #dcfce7;
  color: #166534;
}

/* FAQ */
.faq {
  max-width: 768px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid #e5e7eb;
  padding: 1.25rem 0;
}

@media (min-width: 768px) {
  .faq-item {
    padding: 1.5rem 0;
  }
}

.faq-question {
  font-size: 1.05rem;
  font-weight: 600;
  color: #111;
  cursor: pointer;
  list-style: none;
  line-height: 1.4;
  padding-right: 2rem;
  position: relative;
}

@media (min-width: 768px) {
  .faq-question {
    font-size: 1.125rem;
  }
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: '▼';
  position: absolute;
  right: 0;
  top: 0;
  font-size: 0.875rem;
  color: #6b7280;
}

details[open] .faq-question::after {
  content: '▲';
}

.faq-answer {
  margin-top: 1rem;
  color: #4b5563;
  line-height: 1.7;
  padding-left: 0;
  font-size: 0.95rem;
}

@media (min-width: 768px) {
  .faq-answer {
    font-size: 1rem;
    padding-left: 1rem;
  }
}

/* Footer */
.footer {
  background: #111;
  color: #fff;
  padding: 2.5rem 0;
  text-align: center;
}

@media (min-width: 768px) {
  .footer {
    padding: 3rem 0;
  }
}

.footer-social-proof {
  font-size: 1rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

@media (min-width: 768px) {
  .footer-social-proof {
    font-size: 1.125rem;
  }
}

.footer-copyright {
  margin-top: 2rem;
  color: #9ca3af;
  font-size: 0.875rem;
}

/* Utilities */
.cta-center {
  text-align: center;
  margin-top: 2.5rem;
}

@media (min-width: 768px) {
  .cta-center {
    margin-top: 3rem;
  }
}