/* ContactBlitz Landing Page */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: #374151;
  background: #FAFAF9;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Layout */

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Nav */

.nav {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #E5E7EB;
  z-index: 100;
}

.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.nav-logo svg {
  height: 48px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: #6B7280;
  text-decoration: none;
  transition: color 150ms ease;
}

.nav-link:hover {
  color: #111827;
}

.nav-link-active {
  color: #2563EB;
}

/* Buttons */

.btn {
  display: inline-block;
  font-family: inherit;
  font-size: 16px;
  font-weight: 500;
  text-decoration: none;
  border: none;
  cursor: pointer;
  border-radius: 8px;
  transition: all 150ms ease;
}

.btn-primary {
  background: #2563EB;
  color: #fff;
  padding: 10px 24px;
}

.btn-primary:hover {
  background: #1D4ED8;
}

.btn-lg {
  padding: 14px 32px;
  font-size: 17px;
  font-weight: 600;
}

/* Hero */

.hero {
  padding: 80px 0 48px;
  text-align: center;
}

.hero h1 {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -1px;
  color: #111827;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 19px;
  color: #6B7280;
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
}

/* Formats bar */

.formats {
  padding: 0 0 64px;
  text-align: center;
}

.formats-grid {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.format-tag {
  background: #fff;
  border: 1px solid #E5E7EB;
  border-radius: 24px;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 500;
  color: #6B7280;
}

/* Steps */

.steps {
  padding: 64px 0;
  background: #fff;
  border-top: 1px solid #E5E7EB;
  border-bottom: 1px solid #E5E7EB;
}

.steps h2 {
  text-align: center;
  font-size: 32px;
  font-weight: 600;
  margin-bottom: 48px;
  color: #111827;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.step {
  text-align: center;
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #2563EB;
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.step h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
  color: #111827;
}

.step p {
  font-size: 15px;
  color: #6B7280;
  line-height: 1.6;
}

/* Features */

.features {
  padding: 64px 0;
}

.features h2 {
  text-align: center;
  font-size: 32px;
  font-weight: 600;
  margin-bottom: 48px;
  color: #111827;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.feature {
  background: #fff;
  border: 1px solid #E5E7EB;
  border-radius: 12px;
  padding: 28px;
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: #EFF6FF;
  color: #2563EB;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.feature h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
  color: #111827;
}

.feature p {
  font-size: 15px;
  color: #6B7280;
  line-height: 1.6;
}

/* Use Cases */

.use-cases {
  padding: 64px 0;
  background: #fff;
  border-top: 1px solid #E5E7EB;
}

.use-cases h2 {
  text-align: center;
  font-size: 32px;
  font-weight: 600;
  margin-bottom: 40px;
  color: #111827;
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.use-case-card {
  background: #F9FAFB;
  border: 1px solid #E5E7EB;
  border-radius: 10px;
  padding: 24px;
  text-decoration: none;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.use-case-card:hover {
  border-color: #2563EB;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.1);
}

.use-case-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: #2563EB;
  background: #EFF6FF;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 10px;
}

.use-case-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: #111827;
  margin-bottom: 6px;
}

.use-case-card p {
  font-size: 14px;
  color: #6B7280;
  line-height: 1.6;
}

.use-case-card-more {
  background: #EFF6FF;
  border-color: #BFDBFE;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.use-case-card-more h3 {
  color: #2563EB;
}

/* CTA */

.cta {
  padding: 72px 0;
  text-align: center;
  background: #fff;
  border-top: 1px solid #E5E7EB;
}

.cta h2 {
  font-size: 32px;
  font-weight: 600;
  margin-bottom: 8px;
  color: #111827;
}

.cta p {
  font-size: 17px;
  color: #6B7280;
  margin-bottom: 28px;
}

/* Footer */

.footer {
  padding: 32px 0;
  border-top: 1px solid #E5E7EB;
}

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

.footer-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.footer-name {
  font-weight: 600;
  color: #111827;
}

.footer-copy {
  font-size: 14px;
  color: #9CA3AF;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 14px;
  color: #6B7280;
  text-decoration: none;
}

.footer-links a:hover {
  color: #2563EB;
}

/* Pricing */

.pricing {
  padding: 0 0 64px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 720px;
  margin: 0 auto;
}

.pricing-card {
  background: #fff;
  border: 1px solid #E5E7EB;
  border-radius: 12px;
  padding: 32px;
  position: relative;
}

.pricing-card-featured {
  border-color: #2563EB;
  box-shadow: 0 0 0 1px #2563EB;
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: #2563EB;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 4px 16px;
  border-radius: 24px;
}

.pricing-card-header {
  text-align: center;
  margin-bottom: 24px;
}

.pricing-card-header h3 {
  font-size: 20px;
  font-weight: 600;
  color: #111827;
  margin-bottom: 8px;
}

.pricing-price {
  font-size: 48px;
  font-weight: 700;
  color: #111827;
  line-height: 1;
}

.pricing-period {
  font-size: 15px;
  color: #9CA3AF;
  margin-top: 4px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 28px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: #374151;
  padding: 8px 0;
}

.pricing-features li svg {
  flex-shrink: 0;
}

.btn-block {
  display: block;
  text-align: center;
  width: 100%;
}

.btn-secondary {
  background: #fff;
  color: #374151;
  padding: 10px 24px;
  border: 1px solid #E5E7EB;
}

.btn-secondary:hover {
  background: #F9FAFB;
}

.btn-disabled {
  opacity: 0.6;
  cursor: default;
  pointer-events: none;
}

/* FAQ */

.faq {
  padding: 64px 0;
  background: #fff;
  border-top: 1px solid #E5E7EB;
}

.faq h2 {
  text-align: center;
  font-size: 32px;
  font-weight: 600;
  margin-bottom: 40px;
  color: #111827;
}

.faq-list {
  max-width: 680px;
  margin: 0 auto;
}

.faq-item {
  padding: 20px 0;
  border-bottom: 1px solid #E5E7EB;
}

.faq-item:last-child {
  border-bottom: none;
}

.faq-item h3 {
  font-size: 16px;
  font-weight: 600;
  color: #111827;
  margin-bottom: 6px;
}

.faq-item p {
  font-size: 15px;
  color: #6B7280;
  line-height: 1.6;
}

/* How It Works - Detail Steps */

.detail-steps {
  padding: 0 0 64px;
}

.detail-step {
  padding: 48px 0;
  border-bottom: 1px solid #E5E7EB;
}

.detail-step:last-child {
  border-bottom: none;
}

.detail-step-content {
  max-width: 720px;
  margin: 0 auto;
}

.detail-step-content h2 {
  font-size: 24px;
  font-weight: 600;
  color: #111827;
  margin-bottom: 12px;
}

.detail-step-content > p {
  font-size: 16px;
  color: #6B7280;
  line-height: 1.6;
  margin-bottom: 24px;
}

.detail-formats {
  margin-top: 24px;
}

.detail-formats h4 {
  font-size: 14px;
  font-weight: 600;
  color: #9CA3AF;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.detail-format-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.detail-format {
  background: #fff;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  padding: 16px;
}

.detail-format strong {
  display: block;
  font-size: 15px;
  color: #111827;
  margin-bottom: 2px;
}

.detail-format span {
  font-size: 14px;
  color: #9CA3AF;
}

/* Pipeline */

.pipeline {
  display: flex;
  align-items: stretch;
  gap: 16px;
}

.pipeline-stage {
  flex: 1;
  background: #fff;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  padding: 20px;
}

.pipeline-label {
  font-size: 13px;
  font-weight: 600;
  color: #2563EB;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.pipeline-stage p {
  font-size: 14px;
  color: #6B7280;
  line-height: 1.6;
}

.pipeline-arrow {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

/* Fields grid */

.fields-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.field-tag {
  background: #EFF6FF;
  color: #2563EB;
  font-size: 14px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 6px;
}

/* Export options */

.export-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.export-option {
  background: #fff;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  padding: 20px;
}

.export-option h4 {
  font-size: 15px;
  font-weight: 600;
  color: #111827;
  margin-bottom: 4px;
}

.export-option p {
  font-size: 14px;
  color: #9CA3AF;
  line-height: 1.5;
}

/* Legal Pages */

.legal {
  padding: 0 0 64px;
}

.legal-content {
  max-width: 720px;
  margin: 0 auto;
}

.legal-content h2 {
  font-size: 20px;
  font-weight: 600;
  color: #111827;
  margin: 32px 0 12px;
}

.legal-content h2:first-child {
  margin-top: 0;
}

.legal-content h3 {
  font-size: 16px;
  font-weight: 600;
  color: #374151;
  margin: 20px 0 8px;
}

.legal-content p {
  font-size: 15px;
  color: #6B7280;
  line-height: 1.7;
  margin-bottom: 12px;
}

.legal-content ul {
  margin: 0 0 16px 24px;
}

.legal-content li {
  font-size: 15px;
  color: #6B7280;
  line-height: 1.7;
  padding: 2px 0;
}

.legal-content a {
  color: #2563EB;
  text-decoration: none;
}

.legal-content a:hover {
  text-decoration: underline;
}

/* Blog Index */

.blog-list {
  padding: 0 0 64px;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.blog-card {
  background: #fff;
  border: 1px solid #E5E7EB;
  border-radius: 12px;
  padding: 28px;
  text-decoration: none;
  transition: border-color 150ms ease, box-shadow 150ms ease;
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  border-color: #2563EB;
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.1);
}

.blog-card-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: #2563EB;
  background: #EFF6FF;
  padding: 4px 12px;
  border-radius: 24px;
  margin-bottom: 12px;
  width: fit-content;
}

.blog-card h2 {
  font-size: 20px;
  font-weight: 600;
  color: #111827;
  margin-bottom: 8px;
  line-height: 1.3;
}

.blog-card p {
  font-size: 15px;
  color: #6B7280;
  line-height: 1.6;
  flex: 1;
}

.blog-card-meta {
  font-size: 13px;
  color: #9CA3AF;
  margin-top: 16px;
}

/* Blog Article */

.blog-article {
  padding: 0 0 64px;
}

.blog-article-content {
  max-width: 720px;
  margin: 0 auto;
}

.blog-back {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  color: #6B7280;
  text-decoration: none;
  margin-bottom: 20px;
}

.blog-back:hover {
  color: #2563EB;
}

.blog-article-content h1 {
  font-size: 36px;
  font-weight: 700;
  color: #111827;
  line-height: 1.2;
  margin-bottom: 8px;
}

.blog-article-meta {
  font-size: 15px;
  color: #9CA3AF;
  margin-bottom: 32px;
}

.blog-article-content h2 {
  font-size: 22px;
  font-weight: 600;
  color: #111827;
  margin: 32px 0 12px;
}

.blog-article-content p {
  font-size: 16px;
  color: #374151;
  line-height: 1.75;
  margin-bottom: 16px;
}

.blog-article-content ul,
.blog-article-content ol {
  margin: 0 0 20px 24px;
}

.blog-article-content li {
  font-size: 16px;
  color: #374151;
  line-height: 1.75;
  padding: 3px 0;
}

.blog-cta {
  margin-top: 40px;
  padding: 32px;
  background: #F9FAFB;
  border: 1px solid #E5E7EB;
  border-radius: 12px;
  text-align: center;
}

.blog-cta p {
  font-size: 17px;
  color: #374151;
  margin-bottom: 16px;
}

/* Support Page */

.support-options {
  padding: 0 0 64px;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.support-card {
  background: #fff;
  border: 1px solid #E5E7EB;
  border-radius: 12px;
  padding: 28px;
  text-align: center;
}

.support-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: #EFF6FF;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.support-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: #111827;
  margin-bottom: 8px;
}

.support-card p {
  font-size: 15px;
  color: #6B7280;
  line-height: 1.6;
  margin-bottom: 20px;
}

.support-card .btn {
  font-size: 14px;
}

/* Responsive */

@media (max-width: 768px) {
  .hero {
    padding: 48px 0 32px;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero-sub {
    font-size: 17px;
  }

  .steps-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .use-cases-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .footer-brand {
    flex-direction: column;
    gap: 4px;
  }

  .nav-links {
    gap: 16px;
  }

  .nav-link {
    display: none;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .detail-format-grid {
    grid-template-columns: 1fr;
  }

  .pipeline {
    flex-direction: column;
  }

  .pipeline-arrow {
    justify-content: center;
    transform: rotate(90deg);
  }

  .export-options {
    grid-template-columns: 1fr;
  }

  .support-grid {
    grid-template-columns: 1fr;
  }

  .blog-grid {
    grid-template-columns: 1fr;
  }

  .blog-article-content h1 {
    font-size: 28px;
  }
}