:root {
  --ink: #15191f;
  --night: #050a18;
  --midnight: #0b1638;
  --indigo: #172554;
  --signal: #6366f1;
  --signal-soft: #a5b4fc;
  --accent: #00a6a6;
  --paper: #f7f4ee;
  --muted: #667085;
  --line: rgba(247, 244, 238, 0.18);
  --dark-line: rgba(21, 25, 31, 0.12);
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Lexend, Inter, Avenir Next, Segoe UI, Arial, sans-serif;
  line-height: 1.5;
}

img,
svg {
  display: block;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 32px;
  background: rgba(5, 10, 24, 0.88);
  color: var(--paper);
  border-bottom: 1px solid rgba(247, 244, 238, 0.12);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font-weight: 750;
}

.brand-mark {
  width: 38px;
  height: 38px;
  color: var(--signal-soft);
}

.brand span:last-child {
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  color: rgba(247, 244, 238, 0.72);
  font-size: 14px;
  font-weight: 650;
}

.nav-links a:hover,
.header-cta:hover {
  color: #ffffff;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 18px;
  border: 1px solid rgba(0, 166, 166, 0.7);
  border-radius: 999px;
  color: var(--paper);
  font-size: 14px;
  font-weight: 750;
}

.hero {
  position: relative;
  min-height: 76svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--night);
  color: var(--paper);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 10, 24, 0.92), rgba(5, 10, 24, 0.38) 56%, rgba(5, 10, 24, 0.72)),
    url("assets/cover-background.jpg") center / cover no-repeat;
  transform: scale(1.02);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 8% 56px 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(247, 244, 238, 0.36), transparent);
}

.hero-inner {
  position: relative;
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
  padding: 76px 0 96px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

h1 {
  margin: 0;
  font-family: Lexend, Inter, Avenir Next, Segoe UI, Arial, sans-serif;
  font-size: 96px;
  line-height: 0.94;
  font-weight: 700;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 700px;
  margin: 28px 0 0;
  color: rgba(247, 244, 238, 0.82);
  font-size: 24px;
  line-height: 1.35;
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 800;
}

.button.primary {
  color: var(--night);
  background: var(--paper);
}

.button.secondary {
  color: var(--paper);
  border: 1px solid rgba(247, 244, 238, 0.32);
}

.button.primary.light {
  color: var(--night);
  background: var(--paper);
}

.button.secondary.light {
  color: var(--paper);
  border-color: rgba(247, 244, 238, 0.38);
}

.button.primary.dark {
  color: #ffffff;
  background: var(--night);
}

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

.section-inner {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

.question-band {
  padding: 82px 0;
  background: var(--paper);
}

.question-inner {
  border-left: 4px solid var(--accent);
  padding-left: 32px;
}

.question-inner h2 {
  max-width: 1000px;
  margin: 0;
  font-family: Lexend, Inter, Avenir Next, Segoe UI, Arial, sans-serif;
  font-size: 44px;
  line-height: 1.08;
  font-weight: 700;
}

.split-section,
.buyer-section,
.focus-section,
.founder-section,
.tool-section {
  padding: 104px 0;
  background: #ffffff;
}

.split-grid,
.evidence-grid,
.founder-grid,
.tool-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 64px;
  align-items: start;
}

.tool-section {
  background: #f7f4ee;
  border-top: 1px solid rgba(21, 25, 31, 0.08);
  border-bottom: 1px solid rgba(21, 25, 31, 0.08);
}

.tool-panel {
  display: grid;
  gap: 12px;
  padding: 28px;
  border: 1px solid rgba(21, 25, 31, 0.12);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 18px 46px rgba(5, 10, 24, 0.08);
}

.tool-panel span {
  min-height: 48px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  border-left: 3px solid var(--accent);
  background: rgba(23, 37, 84, 0.05);
  color: var(--indigo);
  font-weight: 850;
}

.tool-panel .button {
  justify-self: start;
  margin-top: 8px;
}

h2 {
  margin: 0;
  font-family: Lexend, Inter, Avenir Next, Segoe UI, Arial, sans-serif;
  font-size: 54px;
  line-height: 1.05;
  font-weight: 700;
}

.lead {
  max-width: 640px;
  margin: 22px 0 0;
  color: #3f4858;
  font-size: 20px;
  line-height: 1.55;
}

.offer-price {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  margin-top: 34px;
  padding: 14px 18px;
  border: 1px solid var(--dark-line);
  border-radius: 8px;
  background: #fbfaf7;
}

.offer-price span {
  color: var(--muted);
  font-size: 14px;
  font-weight: 750;
}

.offer-price strong {
  font-size: 22px;
}

.offer-list,
.buyer-grid,
.service-grid {
  display: grid;
  gap: 14px;
}

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

.offer-list article,
.buyer-grid article,
.service-grid article {
  min-height: 174px;
  padding: 24px;
  border: 1px solid var(--dark-line);
  border-radius: 8px;
  background: #fbfaf7;
}

.offer-list h3,
.buyer-grid h3,
.service-grid h3,
.method-rail h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.25;
}

.offer-list p,
.buyer-grid p,
.service-grid p,
.method-rail p {
  margin: 12px 0 0;
  color: #4c5565;
}

.method-section,
.services-section {
  padding: 104px 0;
  background:
    radial-gradient(circle at 72% 28%, rgba(99, 102, 241, 0.28), transparent 34%),
    linear-gradient(135deg, var(--night), var(--midnight) 50%, #08172b);
  color: var(--paper);
}

.section-heading {
  max-width: 780px;
  margin-bottom: 44px;
}

.method-rail {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--line);
}

.method-rail article {
  min-height: 220px;
  padding: 24px;
  background: rgba(5, 10, 24, 0.52);
}

.method-rail span,
.service-grid span {
  display: inline-flex;
  margin-bottom: 26px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.method-rail p,
.service-grid p {
  color: rgba(247, 244, 238, 0.7);
}

.evidence-section {
  padding: 104px 0;
  background: var(--paper);
}

.evidence-list,
.keyword-list,
.credentials {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.evidence-list span,
.keyword-list span,
.credentials span {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  padding: 0 15px;
  border-radius: 999px;
  border: 1px solid var(--dark-line);
  background: #ffffff;
  color: #333b49;
  font-weight: 720;
}

.focus-section {
  background:
    radial-gradient(circle at 18% 22%, rgba(86, 193, 195, 0.12), transparent 28%),
    linear-gradient(180deg, #ffffff, #fbfaf7);
}

.keyword-list {
  max-width: 1040px;
}

.keyword-list span {
  background: rgba(255, 255, 255, 0.84);
}

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

.service-grid article {
  background: rgba(247, 244, 238, 0.05);
  border-color: var(--line);
}

.service-grid h3 {
  color: var(--paper);
}

.founder-section {
  background:
    radial-gradient(circle at 84% 24%, rgba(99, 102, 241, 0.1), transparent 28%),
    linear-gradient(90deg, rgba(247, 244, 238, 0.98), #ffffff);
}

.founder-grid {
  align-items: center;
}

.founder-grid .credentials {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  align-content: start;
}

.founder-grid .credentials span {
  justify-content: center;
  min-height: 54px;
  padding: 0 20px;
  text-align: center;
}

.cta-section {
  padding: 112px 0;
  background: var(--night);
  color: var(--paper);
}

.cta-inner {
  max-width: 980px;
}

.cta-inner h2 {
  font-size: 56px;
}

.contact-line {
  margin: 28px 0 0;
  color: rgba(247, 244, 238, 0.78);
  font-weight: 750;
}

.fine-print {
  max-width: 700px;
  margin: 26px 0 0;
  color: rgba(247, 244, 238, 0.52);
  font-size: 14px;
}

.site-footer {
  background: var(--night);
  color: rgba(247, 244, 238, 0.62);
  border-top: 1px solid rgba(247, 244, 238, 0.12);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0;
  font-size: 14px;
}

@media (max-width: 980px) {
  .site-header {
    padding: 0 20px;
  }

  .nav-links {
    display: none;
  }

  h1 {
    font-size: 72px;
  }

  h2,
  .cta-inner h2 {
    font-size: 42px;
  }

  .split-grid,
  .evidence-grid,
  .founder-grid,
  .tool-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .method-rail,
  .buyer-grid,
  .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site-header {
    min-height: 66px;
  }

  .brand span:last-child {
    font-size: 15px;
  }

  .header-cta {
    min-height: 36px;
    padding: 0 13px;
  }

  .hero {
    min-height: 78svh;
  }

  .hero-inner,
  .section-inner {
    width: min(100% - 32px, var(--max));
  }

  h1 {
    font-size: 54px;
  }

  .hero-copy {
    font-size: 19px;
  }

  .question-inner {
    padding-left: 20px;
  }

  .question-inner h2,
  h2,
  .cta-inner h2 {
    font-size: 34px;
  }

  .offer-list,
  .method-rail,
  .buyer-grid,
  .service-grid {
    grid-template-columns: 1fr;
  }

  .split-section,
  .method-section,
  .evidence-section,
  .buyer-section,
  .focus-section,
  .services-section,
  .founder-section,
  .tool-section,
  .cta-section {
    padding: 76px 0;
  }

  .footer-inner {
    flex-direction: column;
  }
}