:root {
  --tp-bg: #eef3f9;
  --tp-surface: #ffffff;
  --tp-surface-alt: #f7f9fc;
  --tp-surface-soft: #f2f5fa;
  --tp-border: #d7dfeb;
  --tp-border-strong: #c3d0e2;
  --tp-text: #152238;
  --tp-text-soft: #5f6f86;
  --tp-text-faint: #7b8ba3;
  --tp-primary: #1a73e8;
  --tp-primary-dark: #0f52ba;
  --tp-primary-soft: #e8f0fe;
  --tp-primary-border: #c8dafc;
  --tp-white: #ffffff;
  --tp-shadow: 0 20px 40px rgba(17, 34, 68, 0.08);
  --tp-shadow-soft: 0 12px 24px rgba(17, 34, 68, 0.06);
  --tp-radius-xl: 24px;
  --tp-radius-lg: 18px;
  --tp-radius-md: 14px;
  --tp-radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", Arial, sans-serif;
  color: var(--tp-text);
  background: var(--tp-bg);
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  font: inherit;
}

.shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 88px 0;
}

.section-white {
  background: var(--tp-surface);
}

.section-tint {
  background: linear-gradient(180deg, #f9fbff 0%, #f3f7fd 100%);
}

.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--tp-primary);
  margin-bottom: 12px;
}

.section-heading {
  margin-bottom: 28px;
  max-width: 760px;
}

.section-heading.centered {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-heading.narrow {
  max-width: 680px;
}

.section-heading h2,
.hero h1,
.final-cta-card h2,
.hero-card h2 {
  margin: 0;
  letter-spacing: -0.03em;
  line-height: 1.08;
}

.section-heading h2 {
  font-size: clamp(32px, 4vw, 48px);
}

.section-heading p,
.hero-copy,
.sample-caption,
.final-cta-card p {
  font-size: 18px;
  line-height: 1.7;
  color: var(--tp-text-soft);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(238, 243, 249, 0.96);
  border-bottom: 1px solid rgba(215, 223, 235, 0.92);
  backdrop-filter: blur(10px);
}

.nav-shell {
  min-height: 78px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.nav-links,
.nav-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-links {
  margin-left: auto;
}

.nav-links a,
.nav-link-light,
.mobile-actions a,
.mobile-nav-list a,
.site-footer a {
  color: var(--tp-text-soft);
}

.nav-links a:hover,
.nav-link-light:hover,
.mobile-actions a:hover,
.mobile-nav-list a:hover,
.site-footer a:hover {
  color: var(--tp-primary-dark);
}

.nav-toggle {
  display: none;
  margin-left: auto;
  border: 1px solid var(--tp-border);
  background: var(--tp-surface);
  color: var(--tp-text);
  border-radius: 12px;
  padding: 10px 14px;
}

.mobile-menu {
  border-top: 1px solid var(--tp-border);
  background: var(--tp-surface);
}

.mobile-menu-inner {
  padding-top: 16px;
  padding-bottom: 20px;
}

.mobile-nav-list,
.mobile-actions {
  display: grid;
  gap: 12px;
}

.mobile-actions {
  margin-top: 18px;
}

.desktop-only {
  display: flex;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 14px;
  padding: 14px 20px;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-small {
  padding: 11px 16px;
  border-radius: 12px;
}

.button-primary {
  background: var(--tp-primary);
  color: var(--tp-white);
  box-shadow: var(--tp-shadow-soft);
}

.button-primary:hover {
  background: var(--tp-primary-dark);
}

.button-secondary {
  background: var(--tp-surface);
  border-color: var(--tp-border);
  color: var(--tp-text);
}

.button-secondary:hover {
  background: var(--tp-surface-alt);
  border-color: var(--tp-border-strong);
}

.button-white {
  background: var(--tp-white);
  color: var(--tp-primary-dark);
}

.button-outline-white {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.35);
  color: var(--tp-white);
}

.hero {
  padding-top: 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 34px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(44px, 6vw, 68px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero-note,
.section-footnote,
.sample-caption,
.callout-card p:last-child {
  color: var(--tp-text-soft);
}

.hero-note,
.section-footnote {
  margin-top: 16px;
  font-size: 14px;
}

.hero-card-wrap {
  position: relative;
}

.hero-card {
  background: var(--tp-surface);
  border: 1px solid var(--tp-border);
  border-radius: var(--tp-radius-xl);
  overflow: hidden;
  box-shadow: var(--tp-shadow);
}

.hero-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 16px;
  background: #f8fbff;
  border-bottom: 1px solid var(--tp-border);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #c8dafc;
}

.browser-bar {
  margin-left: 8px;
  flex: 1;
  min-width: 0;
  border-radius: 999px;
  border: 1px solid var(--tp-border);
  background: var(--tp-surface);
  color: var(--tp-text-faint);
  font-size: 12px;
  padding: 8px 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hero-card-body {
  padding: 28px;
}

.status-badge,
.pricing-badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--tp-primary-soft);
  border: 1px solid var(--tp-primary-border);
  color: var(--tp-primary-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.hero-card h2 {
  font-size: clamp(28px, 3vw, 38px);
  margin-top: 18px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.stat-grid article,
.attestation-card,
.info-card,
.step-card,
.audience-card,
.pricing-card,
.callout-card,
.faq-list details {
  background: var(--tp-surface);
  border: 1px solid var(--tp-border);
  border-radius: var(--tp-radius-lg);
  box-shadow: var(--tp-shadow-soft);
}

.stat-grid article {
  padding: 16px;
}

.stat-grid span,
.attestation-card span,
.pricing-card p,
.site-footer h3 {
  display: block;
  color: var(--tp-text-faint);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.stat-grid strong,
.attestation-card strong {
  display: block;
  margin-top: 8px;
  font-size: 15px;
  line-height: 1.5;
}

.attestation-card {
  margin-top: 16px;
  padding: 18px;
  background: #fbfcff;
}

.card-grid,
.steps-grid,
.audience-grid,
.pricing-grid,
.footer-grid,
.sample-grid {
  display: grid;
  gap: 20px;
}

.four-up {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.info-card {
  padding: 22px;
}

.info-card h3,
.step-card h3,
.audience-card h2,
.pricing-card h3,
.callout-card h2,
.final-cta-card h2 {
  margin: 0;
  letter-spacing: -0.02em;
}

.info-card h3 {
  font-size: 20px;
}

.info-card p,
.step-card p,
.audience-card p,
.pricing-card p,
.callout-card p,
.faq-list p,
.site-footer p {
  color: var(--tp-text-soft);
  line-height: 1.65;
}

.steps-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.step-card {
  padding: 28px;
}

.step-number {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: var(--tp-primary);
  color: var(--tp-white);
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 18px;
}

.section-footnote {
  font-weight: 600;
}

.section-footnote.center {
  text-align: center;
}

.sample-grid {
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  align-items: center;
}

.feature-list,
.check-list,
.pricing-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-list,
.check-list {
  display: grid;
  gap: 12px;
}

.feature-list li,
.check-list li,
.pricing-card li {
  position: relative;
  padding-left: 26px;
  line-height: 1.55;
}

.feature-list li::before,
.check-list li::before,
.pricing-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--tp-primary);
}

.sample-frame {
  background: linear-gradient(180deg, #f9fbff 0%, #edf3fb 100%);
  padding: 16px;
  border-radius: var(--tp-radius-xl);
  border: 1px solid var(--tp-border);
  box-shadow: var(--tp-shadow);
}

.sample-frame img {
  border-radius: 16px;
  border: 1px solid var(--tp-border);
}

.audience-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.audience-card {
  padding: 34px;
}

.audience-card-accent {
  background: linear-gradient(180deg, #1a73e8 0%, #145fc2 100%);
  color: var(--tp-white);
  border-color: transparent;
}

.audience-card-accent p,
.audience-card-accent .eyebrow,
.audience-card-accent .check-list li {
  color: rgba(255, 255, 255, 0.92);
}

.check-list.light li::before {
  background: rgba(255, 255, 255, 0.9);
}

.callout-shell {
  display: flex;
  justify-content: center;
}

.callout-card {
  padding: 40px;
  max-width: 920px;
  background: linear-gradient(180deg, #f7faff 0%, #eef4fd 100%);
}

.pricing-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: stretch;
}

.pricing-card {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pricing-card-featured {
  border: 2px solid var(--tp-primary);
}

.price-row {
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.price-row span {
  font-size: 14px;
  font-weight: 600;
  color: var(--tp-text-soft);
}

.pricing-card ul {
  display: grid;
  gap: 10px;
  flex: 1;
}

.faq-shell {
  max-width: 860px;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-list details {
  padding: 20px 22px;
}

.faq-list summary {
  cursor: pointer;
  font-size: 18px;
  font-weight: 700;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list p {
  margin: 14px 0 0;
}

.final-cta {
  padding-top: 40px;
}

.final-cta-card {
  background: linear-gradient(135deg, #1a73e8 0%, #0f52ba 100%);
  color: var(--tp-white);
  border-radius: 32px;
  padding: 52px 36px;
  text-align: center;
  box-shadow: var(--tp-shadow);
}

.final-cta-card p {
  color: rgba(255, 255, 255, 0.9);
  max-width: 760px;
  margin: 18px auto 0;
}

.centered-actions {
  justify-content: center;
}

.site-footer {
  border-top: 1px solid var(--tp-border);
  background: #f8fbff;
  padding: 40px 0 48px;
}

.footer-grid {
  grid-template-columns: 1.6fr repeat(3, minmax(0, 1fr));
}

.footer-brand {
  margin-bottom: 12px;
}

.site-footer h3 {
  margin: 0 0 14px;
}

.site-footer a {
  display: block;
  margin-bottom: 10px;
}

@media (max-width: 1100px) {
  .hero-grid,
  .sample-grid,
  .four-up,
  .pricing-grid,
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 800px) {
  .desktop-only {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .hero-grid,
  .sample-grid,
  .four-up,
  .pricing-grid,
  .footer-grid,
  .stat-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 72px 0;
  }

  .hero {
    padding-top: 32px;
  }

  .hero-card-body,
  .audience-card,
  .callout-card,
  .final-cta-card {
    padding: 26px;
  }

  .shell {
    padding: 0 18px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
}
