:root {
  color-scheme: light;
  --ink: #15201d;
  --muted: #53645f;
  --line: #d9e0dc;
  --paper: #f7f8f6;
  --panel: #ffffff;
  --panel-soft: #eef4f1;
  --accent: #0f766e;
  --accent-dark: #0b4f4a;
  --warm: #8a4b32;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 64px;
  padding: 0 32px;
  border-bottom: 1px solid rgba(21, 32, 29, 0.08);
  background: rgba(247, 248, 246, 0.94);
  backdrop-filter: blur(10px);
}

.brand {
  font-size: 18px;
  font-weight: 800;
  text-decoration: none;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

nav a {
  text-decoration: none;
}

nav a:hover,
nav a:focus-visible {
  color: var(--accent-dark);
}

.hero {
  position: relative;
  min-height: 720px;
  display: grid;
  align-items: center;
  padding: 76px 32px 104px;
  overflow: hidden;
  background:
    linear-gradient(
      90deg,
      rgba(247, 248, 246, 1) 0%,
      rgba(247, 248, 246, 0.98) 42%,
      rgba(247, 248, 246, 0.84) 66%,
      rgba(247, 248, 246, 0.94) 100%
    ),
    url("assets/report-preview.png");
  background-position:
    center,
    right -3vw center;
  background-repeat: no-repeat;
  background-size:
    cover,
    min(800px, 54vw) auto;
}

.hero-copy {
  position: relative;
  max-width: 620px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: clamp(50px, 8vw, 96px);
  line-height: 0.96;
}

.hero-subtitle {
  max-width: 560px;
  margin: 24px 0 0;
  color: #20302c;
  font-size: clamp(24px, 3vw, 40px);
  font-weight: 700;
  line-height: 1.12;
}

.hero-note {
  max-width: 560px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.52;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  font-weight: 800;
  text-decoration: none;
}

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

.button.secondary {
  background: rgba(255, 255, 255, 0.72);
  color: var(--accent-dark);
}

.button:hover,
.button:focus-visible {
  border-color: var(--accent-dark);
  background: var(--accent-dark);
  color: #ffffff;
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 580px;
  margin: 34px 0 0;
}

.hero-proof div {
  min-height: 82px;
  padding: 14px;
  border: 1px solid rgba(21, 32, 29, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.7);
}

.hero-proof dt,
.hero-proof dd {
  margin: 0;
}

.hero-proof dt {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.hero-proof dd {
  margin-top: 6px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 850;
}

.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 72px 32px;
}

.split {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(280px, 1.2fr);
  gap: 56px;
  border-bottom: 1px solid var(--line);
}

.section h2 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.08;
}

.large-copy {
  margin: 0;
  color: var(--muted);
  font-size: clamp(19px, 2.2vw, 27px);
  font-weight: 620;
  line-height: 1.34;
}

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

.safety {
  border-bottom: 1px solid var(--line);
}

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

.safety-grid article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.safety-grid article:first-child {
  background: var(--panel-soft);
}

.safety-grid h3 {
  margin: 0 0 16px;
  font-size: 22px;
}

.safety-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.55;
}

.safety-grid p + p {
  margin-top: 12px;
}

.source-note {
  max-width: 900px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.source-note a {
  color: var(--accent-dark);
  font-weight: 800;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.proof-grid article {
  min-height: 190px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.proof-grid span {
  display: block;
  color: var(--warm);
  font-size: 42px;
  font-weight: 850;
  line-height: 1;
}

.proof-grid h3 {
  margin: 20px 0 8px;
  font-size: 18px;
}

.proof-grid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.deliverables {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.deliverable-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.deliverable-list li {
  min-height: 92px;
  display: flex;
  align-items: flex-end;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  font-weight: 800;
}

.evidence {
  padding-bottom: 56px;
}

.artifact-links {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.artifact-links a {
  min-height: 64px;
  display: flex;
  align-items: center;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--accent-dark);
  font-weight: 800;
  text-decoration: none;
}

.artifact-links a:hover,
.artifact-links a:focus-visible {
  border-color: var(--accent);
  background: #eef8f5;
}

.pilot {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.pilot h2 {
  max-width: 900px;
}

.disclaimer {
  max-width: none;
  background: #15201d;
  color: #ffffff;
}

.disclaimer h2,
.disclaimer p {
  max-width: 1120px;
  margin-right: auto;
  margin-left: auto;
}

.disclaimer p {
  color: #d9e0dc;
  font-size: 20px;
  line-height: 1.5;
}

.page-main {
  min-height: 100vh;
}

.page-hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: 96px 32px 72px;
}

.page-hero h1 {
  max-width: 900px;
}

@media (max-width: 920px) {
  .hero {
    min-height: 760px;
    align-items: start;
    padding-top: 72px;
    padding-bottom: 180px;
    background:
      linear-gradient(
        180deg,
        rgba(247, 248, 246, 1) 0%,
        rgba(247, 248, 246, 1) 62%,
        rgba(247, 248, 246, 0.96) 82%,
        rgba(247, 248, 246, 0.9) 100%
      ),
      url("assets/report-preview.png");
    background-position:
      center,
      right -260px bottom 18px;
    background-size:
      cover,
      760px auto;
  }

  .split,
  .pilot {
    grid-template-columns: 1fr;
    display: grid;
  }

  .proof-grid,
  .deliverable-list,
  .artifact-links,
  .safety-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 20px;
  }

  .hero,
  .section,
  .page-hero {
    padding-right: 20px;
    padding-left: 20px;
  }

  .hero {
    min-height: 920px;
    align-items: start;
    padding-top: 56px;
    padding-bottom: 260px;
    background:
      linear-gradient(
        180deg,
        rgba(247, 248, 246, 1) 0%,
        rgba(247, 248, 246, 1) 76%,
        rgba(247, 248, 246, 0.96) 90%,
        rgba(247, 248, 246, 0.88) 100%
      ),
      url("assets/report-preview.png");
    background-position:
      center,
      right -410px bottom 22px;
    background-size:
      cover,
      720px auto;
  }

  .proof-grid,
  .deliverable-list,
  .artifact-links,
  .safety-grid,
  .hero-proof {
    grid-template-columns: 1fr;
  }

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