:root {
  --ink: #17201d;
  --muted: #5f6f69;
  --paper: #f5f4ef;
  --panel: #ffffff;
  --line: #d8dfda;
  --green: #1f6f5b;
  --green-dark: #12483c;
  --mint: #dff0ea;
  --gold: #d89d38;
  --coral: #c85f4e;
  --violet: #695c9f;
  --shadow: 0 22px 60px rgba(25, 38, 34, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 16px 0;
  background: rgba(245, 244, 239, 0.94);
  backdrop-filter: blur(12px);
}

.brand,
nav,
.hero-actions,
.product-strip,
.final-cta {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  text-decoration: none;
  font-weight: 850;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  color: #fff;
  background: var(--green-dark);
  border-radius: 8px;
  font-size: 0.78rem;
}

nav {
  gap: 18px;
  color: var(--muted);
  font-size: 0.94rem;
}

nav a {
  text-decoration: none;
}

.nav-button,
.primary-action,
.secondary-action {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 7px;
  text-decoration: none;
  font-weight: 850;
}

.nav-button,
.primary-action {
  color: #fff;
  background: var(--green-dark);
  box-shadow: 0 10px 24px rgba(18, 72, 60, 0.22);
}

.secondary-action {
  color: var(--green-dark);
  background: #edf7f2;
  border: 1px solid #b7d1c7;
}

main {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  min-height: calc(100svh - 116px);
  display: grid;
  align-items: end;
  margin-bottom: 18px;
  padding: 38px;
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(23, 32, 29, 0.88) 0%, rgba(23, 32, 29, 0.62) 46%, rgba(23, 32, 29, 0.18) 100%),
    url("assets/technical-author-sprint-planner-screenshot.png") center right / cover no-repeat;
  box-shadow: var(--shadow);
}

.hero-overlay {
  width: min(650px, 100%);
  padding-bottom: 22px;
}

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

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

h1 {
  margin-bottom: 18px;
  color: #fff;
  font-size: 3.9rem;
  line-height: 0.98;
}

h2 {
  margin-bottom: 18px;
  font-size: 3.05rem;
  line-height: 1;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.06rem;
}

p,
li {
  color: var(--muted);
  line-height: 1.62;
}

.lede {
  max-width: 610px;
  margin-bottom: 26px;
  color: #edf7f2;
  font-size: 1.12rem;
}

.hero-actions {
  gap: 12px;
  flex-wrap: wrap;
}

.product-strip {
  align-items: stretch;
  margin-bottom: 82px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--panel);
}

.product-strip div {
  flex: 1;
  min-width: 0;
  padding: 16px;
  border-right: 1px solid var(--line);
}

.product-strip div:last-child {
  border-right: 0;
}

dt {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

dd {
  margin-left: 0;
  margin-bottom: 0;
  font-weight: 850;
}

.product-view {
  display: grid;
  grid-template-columns: minmax(280px, 0.74fr) minmax(0, 1.26fr);
  gap: 42px;
  align-items: center;
  margin-bottom: 76px;
}

.section-copy p {
  max-width: 620px;
}

figure img {
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.feature-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-bottom: 84px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--line);
}

.feature-band article {
  min-height: 190px;
  padding: 24px;
  background: #fff;
}

.workflow {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
  gap: 44px;
  align-items: start;
  margin-bottom: 78px;
}

ol {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
}

li {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  min-height: 86px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

li span {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: #fff;
  border-radius: 8px;
  background: var(--green-dark);
  font-weight: 900;
}

li p {
  margin-bottom: 0;
}

.buyer-band {
  display: grid;
  grid-template-columns: minmax(260px, 0.78fr) minmax(0, 1.22fr);
  gap: 30px;
  align-items: center;
  margin-bottom: 78px;
  padding: 28px;
  color: #fff;
  border-radius: 8px;
  background: var(--green-dark);
}

.buyer-band h2,
.buyer-band p {
  color: #fff;
}

.buyer-band .eyebrow {
  color: #f1ca7d;
}

.buyer-band p:last-child {
  margin-bottom: 0;
}

.final-cta {
  gap: 34px;
  align-items: center;
  margin-bottom: 54px;
  padding: 34px;
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.final-cta img {
  width: min(360px, 42%);
  border-radius: 8px;
}

.final-cta h2 {
  font-size: 2.6rem;
}

@media (max-width: 920px) {
  .site-header,
  nav,
  .product-strip,
  .final-cta {
    align-items: flex-start;
  }

  .site-header,
  .product-strip,
  .final-cta {
    flex-direction: column;
  }

  nav {
    width: 100%;
    flex-wrap: wrap;
  }

  .hero {
    min-height: 72svh;
    padding: 26px;
    background:
      linear-gradient(180deg, rgba(23, 32, 29, 0.9) 0%, rgba(23, 32, 29, 0.68) 58%, rgba(23, 32, 29, 0.42) 100%),
      url("assets/technical-author-sprint-planner-screenshot.png") center / cover no-repeat;
  }

  h1 {
    font-size: 2.7rem;
  }

  h2,
  .final-cta h2 {
    font-size: 2.1rem;
  }

  .product-strip div {
    width: 100%;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .product-strip div:last-child {
    border-bottom: 0;
  }

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

  .final-cta img {
    width: min(100%, 360px);
  }
}

@media (max-width: 560px) {
  main,
  .site-header {
    width: min(100% - 22px, 1180px);
  }

  .hero {
    min-height: 68svh;
    padding: 20px;
  }

  .nav-button,
  .primary-action,
  .secondary-action {
    width: 100%;
  }

  .hero-actions {
    width: 100%;
  }

  li {
    grid-template-columns: 44px minmax(0, 1fr);
  }
}