:root {
  --green: #128c7e;
  --green-dark: #075e54;
  --green-light: #dcf8c6;
  --accent: #25d366;
  --text: #111b21;
  --muted: #54656f;
  --border: #e9edef;
  --bg: #f0f2f5;
  --white: #ffffff;
  --max: 1080px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial,
    sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  font-size: 16px;
}

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

a:hover {
  text-decoration: underline;
}

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

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  text-decoration: none;
}

.logo:hover {
  text-decoration: none;
}

.logo-mark {
  flex-shrink: 0;
  display: block;
  width: 38px;
  height: 38px;
  background: transparent;
}

.logo-wordmark {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  column-gap: 0.2rem;
  row-gap: 0;
  line-height: 1.15;
  max-width: 11rem;
}

.logo-brand {
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: 1.12rem;
}

.logo-ai {
  font-weight: 800;
  color: var(--green);
  font-size: 1.12rem;
  letter-spacing: -0.02em;
}

.logo-tag {
  flex-basis: 100%;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.logo-icon {
  font-size: 1.4rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 500;
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--green);
}

.nav-links a.btn-primary,
.nav-links a.btn-primary:hover {
  color: #fff;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, transform 0.1s;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 100%);
  color: var(--white);
}

.btn-primary:hover {
  filter: brightness(1.05);
  color: var(--white);
}

.btn-secondary {
  background: var(--white);
  color: var(--green);
  border: 1px solid var(--green);
}

.btn-secondary:hover {
  background: var(--green-light);
  color: var(--green-dark);
}

.btn-lg {
  padding: 0.85rem 1.6rem;
  font-size: 1rem;
}

/* Hero */
.hero {
  padding: 4rem 0 3.5rem;
  background: linear-gradient(180deg, #f8fffe 0%, var(--white) 100%);
}

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

.hero-badge {
  display: inline-block;
  background: var(--green-light);
  color: var(--green-dark);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.15;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.hero-lead {
  font-size: 1.125rem;
  color: var(--muted);
  margin: 0 0 1.75rem;
  max-width: 32rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.hero-note {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0;
}

.hero-visual {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.mock-panel {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.mock-header {
  background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 100%);
  color: var(--white);
  padding: 0.75rem 1rem;
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.mock-logo {
  border-radius: 4px;
  flex-shrink: 0;
}

.mock-body {
  padding: 1rem;
  font-size: 0.85rem;
}

.mock-msg {
  background: var(--bg);
  border-radius: 8px;
  padding: 0.6rem 0.75rem;
  margin-bottom: 0.75rem;
  color: var(--muted);
}

.mock-msg.incoming {
  border-left: 3px solid var(--green);
}

.mock-actions {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.mock-pill {
  font-size: 0.7rem;
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--green);
  color: var(--green);
  border-radius: 999px;
}

.mock-draft {
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 0.75rem;
  min-height: 4rem;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.mock-result {
  background: #fafffe;
  border: 1px solid var(--green-light);
  border-radius: 8px;
  padding: 0.75rem;
  font-size: 0.8rem;
}

/* Sections */
section {
  padding: 4rem 0;
}

section:nth-child(even) {
  background: var(--bg);
}

.section-title {
  text-align: center;
  margin-bottom: 0.5rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.02em;
}

.section-sub {
  text-align: center;
  color: var(--muted);
  max-width: 36rem;
  margin: 0 auto 2.5rem;
}

/* Problem cards */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}

.card-icon {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

/* Flow */
.flow-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.flow-col h3 {
  margin-top: 0;
  color: var(--green-dark);
}

.flow-steps {
  list-style: none;
  padding: 0;
  margin: 0;
}

.flow-steps li {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
  align-items: flex-start;
}

.step-num {
  flex-shrink: 0;
  width: 1.75rem;
  height: 1.75rem;
  background: var(--green);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 720px;
  margin: 0 auto;
}

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

.price-card.featured {
  border-color: var(--green);
  box-shadow: 0 8px 32px rgba(18, 140, 126, 0.12);
  position: relative;
}

.price-card.featured::before {
  content: 'Popular';
  position: absolute;
  top: -0.65rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--green);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.75rem;
  border-radius: 999px;
}

.price-card h3 {
  margin: 0 0 0.5rem;
}

.price {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--green-dark);
  margin: 0.5rem 0;
}

.price span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--muted);
}

.price-features {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
  text-align: left;
  font-size: 0.92rem;
  color: var(--muted);
}

.price-features li {
  padding: 0.35rem 0;
  padding-left: 1.25rem;
  position: relative;
}

.price-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--green);
  font-weight: 700;
}

/* FAQ */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 0;
}

.faq-item h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.faq-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

/* CTA band */
.cta-band {
  background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 100%);
  color: var(--white);
  text-align: center;
  padding: 3.5rem 1rem;
}

.cta-band h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.cta-band p {
  margin: 0 0 1.5rem;
  opacity: 0.9;
}

.cta-band .btn-primary {
  background: var(--white);
  color: var(--green-dark);
}

.cta-band .btn-primary:hover {
  background: var(--green-light);
}

.cta-band--dark {
  background: var(--white);
  color: #111b21;
}

.cta-band--dark h2,
.cta-band--dark p {
  color: #111b21;
  opacity: 1;
}

/* Footer */
.site-footer {
  background: #111b21;
  color: #8696a0;
  padding: 2.5rem 0;
  font-size: 0.88rem;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-grid a {
  color: #aebac1;
}

.footer-links {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

/* Legal pages */
.legal-page {
  padding: 3rem 0 4rem;
  max-width: 720px;
}

.legal-page h1 {
  font-size: 2rem;
  margin-bottom: 0.25rem;
}

.legal-page .updated {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.legal-page h2 {
  font-size: 1.15rem;
  margin-top: 2rem;
}

.legal-page p,
.legal-page li {
  color: var(--muted);
  line-height: 1.7;
}

/* SEO landing pages */
.breadcrumb {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1rem;
}

.breadcrumb a {
  color: var(--green);
}

.seo-hero {
  padding: 3rem 0 2.5rem;
  background: linear-gradient(180deg, #f8fffe 0%, var(--white) 100%);
}

.seo-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.2;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.seo-lead {
  font-size: 1.125rem;
  color: var(--muted);
  max-width: 42rem;
  margin: 0 0 1.5rem;
}

.tagline-pill {
  display: inline-flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.tagline-pill span {
  background: var(--green-light);
  color: var(--green-dark);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
}

.content-section {
  padding: 3rem 0;
}

.content-section h2 {
  font-size: 1.5rem;
  margin: 0 0 1rem;
}

.content-section p {
  color: var(--muted);
  max-width: 42rem;
}

.example-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-left: 4px solid var(--green);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  font-size: 0.92rem;
}

.example-box strong {
  color: var(--text);
}

.example-box pre,
.example-box .example-block {
  white-space: pre-wrap;
  font-family: inherit;
  margin: 0.75rem 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.audience-grid article {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
}

.audience-grid h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
}

.audience-grid p {
  margin: 0;
  font-size: 0.9rem;
}

.related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.related-links a {
  font-size: 0.9rem;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  text-decoration: none;
  color: var(--green-dark);
  background: var(--white);
}

.related-links a:hover {
  background: var(--green-light);
  text-decoration: none;
}

.seo-faq {
  background: var(--bg);
  padding-block: 3rem;
  margin-block: 1rem;
}

.seo-faq .container {
  max-width: 720px;
}

.nav-links .nav-solutions {
  font-size: 0.92rem;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid,
  .flow-grid,
  .problem-grid,
  .features-grid {
    grid-template-columns: 1fr;
  }

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

  .nav-links .hide-mobile {
    display: none;
  }

  .logo-tag {
    display: none;
  }

  .logo-wordmark {
    max-width: none;
  }

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

@media (max-width: 600px) {
  .hero {
    padding-top: 2.5rem;
  }

  .hero-cta {
    flex-direction: column;
  }

  .hero-cta .btn {
    width: 100%;
  }
}