:root {
  color-scheme: dark;
  --bg: #101413;
  --ink: #f2f5ef;
  --muted: #b8c2bb;
  --line: #34413e;
  --panel: #18201e;
  --teal: #39d4b7;
  --lime: #d4ed77;
  --amber: #f4b95b;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--bg);
  color: var(--ink);
}

a {
  color: inherit;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 68px;
  padding: 12px clamp(18px, 4vw, 44px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(16, 20, 19, 0.86);
  backdrop-filter: blur(18px);
}

.brand,
nav {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand {
  min-width: 0;
  text-decoration: none;
  font-weight: 900;
}

.brand-mark {
  display: grid;
  width: 36px;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 8px;
  background: var(--lime);
  color: #111614;
}

nav a {
  color: var(--muted);
  font-size: 0.94rem;
  text-decoration: none;
}

.nav-button,
.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 999px;
  padding: 0 18px;
  font-weight: 900;
  text-decoration: none;
}

.nav-button,
.primary-action {
  background: var(--lime);
  color: #111614;
}

.secondary-action {
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: var(--ink);
}

.hero {
  min-height: 82vh;
  display: grid;
  align-items: end;
  padding: 110px clamp(20px, 6vw, 80px) 52px;
  background:
    linear-gradient(90deg, rgba(16, 20, 19, 0.94) 0%, rgba(16, 20, 19, 0.72) 42%, rgba(16, 20, 19, 0.2) 100%),
    url("assets/newsletter-sponsor-pricing-lab-screenshot.png") center right / min(74vw, 1180px) auto no-repeat,
    radial-gradient(circle at 80% 20%, rgba(57, 212, 183, 0.26), transparent 34rem),
    #111614;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--lime);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p,
dd {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(3.1rem, 10vw, 8rem);
  line-height: 0.88;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(2rem, 5vw, 4.5rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.3rem;
}

.lede {
  max-width: 700px;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.42rem);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.product-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.product-strip div {
  padding: 22px clamp(18px, 4vw, 42px);
  background: #141a18;
}

dt {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

dd {
  margin: 8px 0 0;
  font-size: clamp(1.15rem, 2.2vw, 1.6rem);
  font-weight: 900;
}

.product-view,
.workflow,
.buyer-band,
.final-cta {
  padding: clamp(56px, 9vw, 112px) clamp(20px, 6vw, 80px);
}

.product-view {
  display: grid;
  grid-template-columns: minmax(280px, 0.38fr) minmax(0, 0.62fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  background: #f2f5ef;
  color: #121715;
}

.product-view .eyebrow,
.workflow .eyebrow,
.buyer-band .eyebrow,
.final-cta .eyebrow {
  color: #237665;
}

.product-view p,
.workflow p,
.buyer-band p,
.final-cta p {
  color: #4b5652;
  font-size: 1.08rem;
  line-height: 1.65;
}

figure {
  margin: 0;
}

.product-view img {
  width: 100%;
  border: 1px solid rgba(18, 23, 21, 0.18);
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(18, 23, 21, 0.22);
}

figcaption {
  margin-top: 12px;
  color: #5a6661;
}

.feature-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.feature-band article {
  min-height: 280px;
  padding: clamp(28px, 5vw, 56px);
  background: #151c1a;
}

.feature-band p {
  color: var(--muted);
  line-height: 1.6;
}

.workflow {
  background: #d7eadc;
  color: #121715;
}

.workflow ol {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  background: rgba(18, 23, 21, 0.2);
}

.workflow li {
  min-height: 220px;
  padding: 24px;
  background: #edf5ef;
}

.workflow li span {
  display: block;
  margin-bottom: 34px;
  color: #237665;
  font-weight: 900;
}

.buyer-band {
  display: grid;
  grid-template-columns: minmax(280px, 0.5fr) minmax(280px, 0.5fr);
  gap: 32px;
  background: var(--amber);
  color: #15120b;
}

.buyer-band p {
  color: #3f321d;
}

.final-cta {
  display: grid;
  grid-template-columns: minmax(220px, 340px) minmax(0, 1fr);
  gap: clamp(26px, 5vw, 64px);
  align-items: center;
  background: #f2f5ef;
  color: #121715;
}

.final-cta img {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 22px 60px rgba(18, 23, 21, 0.24);
}

.final-cta .primary-action {
  margin-top: 8px;
  background: #111614;
  color: #f2f5ef;
}

@media (max-width: 900px) {
  .site-header {
    position: static;
    align-items: flex-start;
  }

  nav {
    display: none;
  }

  .hero {
    min-height: 780px;
    padding-top: 48px;
    background:
      linear-gradient(180deg, rgba(16, 20, 19, 1) 0%, rgba(16, 20, 19, 1) 72%, rgba(16, 20, 19, 0.82) 86%, rgba(16, 20, 19, 0.34) 100%),
      url("assets/newsletter-sponsor-pricing-lab-screenshot.png") center calc(100% + 170px) / 116vw auto no-repeat,
      #111614;
  }

  h1 {
    font-size: clamp(2.8rem, 14vw, 4rem);
  }

  .product-strip,
  .product-view,
  .feature-band,
  .workflow ol,
  .buyer-band,
  .final-cta {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .brand span:last-child {
    white-space: normal;
  }

  .hero {
    min-height: 700px;
    padding-inline: 16px;
  }

  .product-view,
  .workflow,
  .buyer-band,
  .final-cta {
    padding-inline: 16px;
  }
}