/* Premium Minimalist Landing Page Design System */
:root {
  --bg-color: #ffffff;
  --card-bg: #f8f9fa;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --border-color: #f1f5f9;
  --primary-color: #0d9488; /* Teal */
  --primary-hover: #0f766e;
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Header & Navigation */
header {
  max-width: 1000px;
  margin: 0 auto;
  padding: 24px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

/* Container */
.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Hero Section */
.hero {
  padding: 80px 0;
  text-align: center;
}

.hero-tag {
  display: inline-block;
  background-color: #f0fdfa;
  color: var(--primary-color);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 9999px;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.hero-title {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1.5px;
  max-width: 720px;
  margin: 0 auto 24px;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 36px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
}

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

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

.btn-secondary {
  background-color: white;
  border-color: #cbd5e1;
  color: var(--text-primary);
}

.btn-secondary:hover {
  background-color: #f8fafc;
}

/* Features Section */
.section {
  padding: 80px 0;
  border-top: 1px solid var(--border-color);
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-title {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.feature-card {
  background-color: var(--card-bg);
  border-radius: 8px;
  padding: 30px;
  border: 1px solid var(--border-color);
}

.feature-icon {
  font-size: 28px;
  margin-bottom: 16px;
}

.feature-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}

.feature-desc {
  font-size: 14px;
  color: var(--text-secondary);
}

/* Steps Section */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 30px;
}

.step-card {
  position: relative;
  padding: 20px;
}

.step-number {
  font-size: 40px;
  font-weight: 800;
  color: #e2e8f0;
  margin-bottom: 10px;
  line-height: 1;
}

/* Pricing Section */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 800px;
  margin: 0 auto;
}

.pricing-card {
  background-color: white;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 40px 30px;
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card.popular {
  border-color: var(--primary-color);
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.05);
}

.popular-badge {
  position: absolute;
  top: -12px;
  right: 20px;
  background-color: var(--primary-color);
  color: white;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 9999px;
}

.pricing-name {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pricing-price {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 8px;
}

.pricing-price span {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
}

.pricing-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 30px;
  flex-grow: 1;
}

.pricing-features li {
  font-size: 14px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* FAQ Accordions */
.faq-list {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background-color: var(--card-bg);
}

.faq-question {
  padding: 20px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  padding: 0 20px 20px;
  color: var(--text-secondary);
  font-size: 14px;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

/* Footer */
footer {
  text-align: center;
  padding: 60px 20px;
  background-color: #fafafa;
  border-top: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 13px;
}

/* Responsive */
@media(max-width: 600px) {
  .hero-title {
    font-size: 32px;
  }
}