:root {
  --primary: #4c7766;
  --primary-dark: #365448;
  --accent: #c96a52;
  --accent-hover: #b05741;
  --bg-color: #fdf8f5;
  --surface: #ffffff;
  --text-main: #333333;
  --text-muted: #666666;
  --border-color: #eaeaea;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.12);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--text-main);
  background-color: var(--bg-color);
  line-height: 1.6;
}

h1, h2, h3, h4 {
  font-family: 'Lora', serif;
  font-weight: 600;
  line-height: 1.3;
  color: var(--primary-dark);
}

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

a {
  text-decoration: none;
  color: var(--primary);
  transition: var(--transition);
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Typography Utilities */
.text-center { text-align: center; }
.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
.section-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 3rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Button */
.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  background-color: var(--accent);
  color: white;
  font-weight: 600;
  font-size: 1.1rem;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
  text-align: center;
}
.btn:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: white;
}
.btn-large {
  font-size: 1.3rem;
  padding: 1.2rem 3rem;
  width: 100%;
  max-width: 400px;
}

/* Hero Section */
.hero {
  padding: 5rem 0;
  background-color: var(--surface);
}
.hero-content {
  display: flex;
  align-items: center;
  gap: 4rem;
}
.hero-text {
  flex: 1;
}
.hero-title {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  color: var(--primary-dark);
}
.hero-desc {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}
.hero-image {
  flex: 1;
  position: relative;
}
.hero-image img {
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  transform: rotate(2deg);
  transition: var(--transition);
}
.hero-image img:hover {
  transform: rotate(0deg) scale(1.02);
}

/* Sections */
section {
  padding: 5rem 0;
}

.bg-surface { background-color: var(--surface); }
.bg-light { background-color: var(--bg-color); }
.bg-primary { 
  background-color: var(--primary); 
  color: white;
}
.bg-primary h2, .bg-primary p { color: white; }

/* Grid Layouts */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

/* Video Section Placeholder */
.video-wrapper {
  background: #000;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  font-size: 1.2rem;
  margin-bottom: 2rem;
}
.video-script {
  background: var(--surface);
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--primary);
  font-style: italic;
  color: var(--text-muted);
}

/* Features List */
.feature-list {
  list-style: none;
}
.feature-list li {
  position: relative;
  padding-left: 2.5rem;
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}
.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: #fff;
  background-color: var(--primary);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: bold;
}

/* Problem/Solution Cards */
.card {
  background: var(--surface);
  padding: 3rem;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  height: 100%;
}
.card h3 {
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
}

/* Author Section */
.author-image img {
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  border: 8px solid var(--surface);
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
}

/* Pricing Section */
.pricing-card {
  background: var(--surface);
  max-width: 500px;
  margin: 0 auto;
  padding: 3rem;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  text-align: center;
  border: 2px solid var(--primary);
  position: relative;
}
.badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: 20px;
  font-weight: bold;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.price-old {
  text-decoration: line-through;
  color: var(--text-muted);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}
.price-new {
  font-size: 4rem;
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1;
  margin-bottom: 2rem;
}
.price-new span {
  font-size: 1.5rem;
  vertical-align: top;
}

/* Guarantee */
.guarantee-box {
  display: flex;
  align-items: center;
  gap: 2rem;
  background: rgba(255,255,255,0.1);
  padding: 2rem;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.2);
  margin-top: 3rem;
}
.guarantee-icon {
  font-size: 3rem;
}

/* FAQ Accordion */
.faq-item {
  background: var(--surface);
  border-radius: 8px;
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.faq-item summary {
  padding: 1.5rem;
  font-weight: 600;
  font-size: 1.1rem;
  cursor: pointer;
  list-style: none;
  position: relative;
  font-family: 'Lora', serif;
  color: var(--primary-dark);
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 1.5rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}
.faq-item[open] summary::after {
  content: '-';
}
.faq-item p {
  padding: 0 1.5rem 1.5rem;
  color: var(--text-muted);
}

/* Footer */
footer {
  background: var(--primary-dark);
  color: white;
  text-align: center;
  padding: 3rem 0;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hero-content {
    flex-direction: column;
    text-align: center;
  }
  .grid-2 {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .section-title {
    font-size: 2rem;
  }
  .guarantee-box {
    flex-direction: column;
    text-align: center;
  }
}