/* ZenBriefr Shared Styles - Modern Green Theme */

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

:root {
  --bg: #0a0a0a;
  --text: #ffffff;
  --text-dim: #a0a0a0;
  --accent: #00ff88;
  --card: #151515;
  --border: #2a2a2a;
}

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Nav */
nav {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

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

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

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

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

.btn-primary {
  background: var(--accent);
  color: #000;
  padding: 0.65rem 1.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.2s, opacity 0.2s;
  display: inline-block;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-1px);
  opacity: 0.9;
}

/* Hero */
.hero {
  padding: 6rem 0 4rem;
  text-align: center;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.hero h1 .highlight {
  color: var(--accent);
}

.hero p {
  font-size: 1.35rem;
  color: var(--text-dim);
  max-width: 700px;
  margin: 0 auto 3rem;
  line-height: 1.5;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  align-items: center;
  margin-bottom: 1rem;
}

.btn-large {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
  border-radius: 10px;
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 1rem 2rem;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.2s;
  display: inline-block;
}

.btn-secondary:hover {
  border-color: var(--text-dim);
}

.trust-line {
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-top: 1rem;
}

/* Demo */
.demo-section {
  padding: 3rem 0 6rem;
}

.video-container {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: 0 20px 60px rgba(0, 255, 136, 0.1);
}

.video-placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-placeholder img {
  width: 90%;
  height: auto;
  border-radius: 8px;
  opacity: 0.9;
}

.play-button {
  width: 80px;
  height: 80px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.2s;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.play-button:hover {
  transform: translate(-50%, -50%) scale(1.1);
}

.play-icon {
  width: 0;
  height: 0;
  border-left: 25px solid #000;
  border-top: 15px solid transparent;
  border-bottom: 15px solid transparent;
  margin-left: 6px;
}

/* Comparison */
.comparison {
  padding: 6rem 0;
  background: var(--card);
}

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

.section-tag {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.2rem;
  color: var(--text-dim);
  max-width: 600px;
  margin: 0 auto;
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.comparison-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem;
}

.comparison-card.bad {
  border-color: #ff4444;
}

.comparison-card.good {
  border-color: var(--accent);
  background: linear-gradient(135deg, #001a0f 0%, var(--bg) 100%);
}

.comparison-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.comparison-icon {
  font-size: 2.5rem;
}

.comparison-header h3 {
  font-size: 1.5rem;
  font-weight: 700;
}

.comparison-steps {
  list-style: none;
  margin-bottom: 2rem;
}

.comparison-steps li {
  padding: 0.75rem 0;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  font-size: 1.05rem;
}

.comparison-steps li:last-child {
  border-bottom: none;
}

.time-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 1.1rem;
}

.time-badge.slow {
  background: #2a0f0f;
  color: #ff6666;
}

.time-badge.fast {
  background: #0f2a1a;
  color: var(--accent);
}

/* Features */
.features {
  padding: 6rem 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 1100px;
  margin: 3rem auto 0;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: var(--accent);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.feature-desc {
  color: var(--text-dim);
  line-height: 1.6;
  font-size: 0.95rem;
}

/* Pricing */
.pricing {
  padding: 6rem 0;
  background: var(--card);
}

.price-simple {
  text-align: center;
  max-width: 700px;
  margin: 3rem auto 0;
  background: var(--bg);
  border: 2px solid var(--accent);
  border-radius: 16px;
  padding: 3rem;
}

.price-amount {
  font-size: 4rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.price-label {
  font-size: 1.25rem;
  color: var(--text-dim);
  margin-bottom: 2rem;
}

.price-note {
  font-size: 1.05rem;
  color: var(--text-dim);
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

/* CTA */
.cta-section {
  padding: 6rem 0;
  text-align: center;
}

.cta-section h2 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.cta-section p {
  font-size: 1.2rem;
  color: var(--text-dim);
  margin-bottom: 2.5rem;
}

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

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
}

.footer-link {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.9rem;
}

.footer-link:hover {
  color: var(--text);
}

.footer-text {
  color: var(--text-dim);
  font-size: 0.85rem;
}

/* Value Props Grid */
.value-props {
  padding: 6rem 0;
  background: var(--card);
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
  max-width: 1000px;
  margin: 3rem auto 0;
}

.value-item {
  text-align: center;
  padding: 2rem;
}

.value-icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
}

.value-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1rem;
}

.value-description {
  color: var(--text-dim);
  line-height: 1.7;
}

/* FAQ Section */
.faq-section {
  padding: 6rem 0;
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 1rem;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-question {
  padding: 1.5rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s ease;
}

.faq-question:hover {
  background: rgba(0, 255, 136, 0.05);
}

.faq-question::after {
  content: "+";
  font-size: 1.5rem;
  color: var(--accent);
  transition: transform 0.3s ease;
}

.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 1.5rem 1.5rem;
  color: var(--text-dim);
  line-height: 1.7;
  display: none;
}

.faq-item.open .faq-answer {
  display: block;
  animation: fadeInDown 0.3s ease;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Guarantee Box */
.guarantee {
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.1), rgba(0, 179, 119, 0.1));
  border: 2px solid var(--accent);
  border-radius: 16px;
  padding: 3rem;
  text-align: center;
  margin: 4rem 0;
}

.guarantee-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1rem;
}

.guarantee-text {
  color: var(--text-dim);
  font-size: 1.1rem;
  line-height: 1.7;
  max-width: 600px;
  margin: 0 auto;
}

/* Legal Pages */
.legal-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 8rem 2rem 4rem;
  line-height: 1.7;
}

.legal-header {
  text-align: center;
  margin-bottom: 3rem;
}

.legal-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1rem;
}

.legal-date {
  color: var(--text-dim);
  font-family: 'Inter', monospace;
}

.legal-content {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 3rem;
  margin-bottom: 2rem;
}

.legal-content h2 {
  color: var(--accent);
  font-size: 1.5rem;
  margin: 2rem 0 1rem 0;
  border-bottom: 2px solid var(--border);
  padding-bottom: 0.5rem;
}

.legal-content h3 {
  color: var(--text);
  font-size: 1.25rem;
  margin: 1.5rem 0 1rem 0;
}

.legal-content p {
  color: var(--text-dim);
  margin-bottom: 1rem;
}

.legal-content ul {
  color: var(--text-dim);
  margin: 1rem 0;
  padding-left: 2rem;
}

.legal-content li {
  margin-bottom: 0.5rem;
}

.legal-content strong {
  color: var(--text);
  font-weight: 600;
}

.back-link {
  display: inline-flex;
  align-items: center;
  color: var(--accent);
  text-decoration: none;
  margin-bottom: 2rem;
  font-weight: 500;
  transition: color 0.3s ease;
}

.back-link:hover {
  color: var(--text);
}

.contact-section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
}

.contact-section h3 {
  color: var(--text);
  margin-bottom: 1rem;
}

.contact-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.contact-links a {
  color: var(--accent);
  text-decoration: none;
  font-family: 'Inter', monospace;
  transition: color 0.3s ease;
}

.contact-links a:hover {
  color: var(--text);
}

.highlight-box {
  background: var(--card);
  border: 1px solid var(--accent);
  border-radius: 12px;
  padding: 1.5rem;
  margin: 1.5rem 0;
}

.highlight-box strong {
  color: var(--accent);
}

/* ROI Section */
.roi-section {
  padding: 6rem 0;
  background: var(--bg);
}

.roi-calculator {
  max-width: 900px;
  margin: 3rem auto 0;
}

.calculation-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 3rem;
}

.calculation-card h3 {
  font-size: 1.3rem;
  color: var(--text);
  margin-bottom: 2rem;
  text-align: center;
}

.math-steps {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.math-step {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem;
  background: var(--bg);
  border-radius: 12px;
}

.step-number {
  width: 40px;
  height: 40px;
  background: var(--accent);
  color: #000;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.step-content {
  flex: 1;
}

.step-label {
  font-size: 0.9rem;
  color: var(--text-dim);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.step-math {
  font-size: 1.1rem;
  color: var(--text);
  font-weight: 500;
}

.roi-conclusion {
  text-align: center;
  padding: 1.5rem;
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.1), rgba(0, 179, 119, 0.05));
  border: 1px solid var(--accent);
  border-radius: 12px;
  font-size: 1.3rem;
  color: var(--accent);
}

/* Target Customers */
.target-customers {
  padding: 6rem 0;
  background: var(--card);
}

.customer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  max-width: 1000px;
  margin: 3rem auto 0;
}

.customer-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  transition: border-color 0.2s, transform 0.2s;
}

.customer-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.customer-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.customer-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.customer-card p {
  color: var(--text-dim);
  line-height: 1.6;
}

/* Founder Story */
.founder-story {
  padding: 6rem 0;
  background: var(--bg);
}

.testimonial-card {
  max-width: 800px;
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 3rem;
  text-align: center;
}

.testimonial-card blockquote {
  font-size: 1.3rem;
  line-height: 1.6;
  color: var(--text);
  font-style: italic;
  margin-bottom: 1.5rem;
  position: relative;
}

.testimonial-card blockquote::before {
  content: '"';
  font-size: 4rem;
  color: var(--accent);
  position: absolute;
  left: -2rem;
  top: -1rem;
  line-height: 1;
}

.testimonial-card cite {
  font-size: 1rem;
  color: var(--accent);
  font-weight: 600;
  font-style: normal;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero p {
    font-size: 1.1rem;
  }
  
  .comparison-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .value-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .nav-links {
    gap: 1rem;
  }
  
  .legal-container {
    padding: 4rem 1rem 2rem;
  }
  
  .legal-title {
    font-size: 2rem;
  }
  
  .legal-content {
    padding: 2rem;
  }
  
  .math-step {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }
  
  .calculation-card {
    padding: 2rem;
  }
  
  .customer-grid {
    grid-template-columns: 1fr;
  }
  
  .testimonial-card {
    padding: 2rem;
  }
  
  .testimonial-card blockquote::before {
    display: none;
  }
}