:root {
  color-scheme: light;
  --paper: #f5f1e8;
  --paper-deep: #ebe2d4;
  --ink: #15191a;
  --muted: #606764;
  --teal: #243b3c;
  --teal-soft: #d7e4df;
  --oxide: #b54f37;
  --amber: #d6a23a;
  --line: rgba(21, 25, 26, 0.16);
  --shadow: 0 24px 80px rgba(21, 25, 26, 0.13);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    linear-gradient(rgba(36, 59, 60, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 59, 60, 0.08) 1px, transparent 1px),
    var(--paper);
  background-size: 40px 40px;
  font-size: 16px;
  line-height: 1.6;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background:
    radial-gradient(circle at 12% 18%, rgba(181, 79, 55, 0.12), transparent 28%),
    radial-gradient(circle at 86% 12%, rgba(36, 59, 60, 0.16), transparent 30%),
    linear-gradient(145deg, rgba(245, 241, 232, 0.8), rgba(235, 226, 212, 0.72));
}

a {
  color: inherit;
  text-decoration-color: rgba(181, 79, 55, 0.48);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.24em;
}

a:hover {
  color: var(--oxide);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 12px 5vw;
  border-bottom: 1px solid var(--line);
  background: rgba(245, 241, 232, 0.88);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
}

.brand span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  min-height: 40px;
  padding: 8px 12px;
  border: 1px solid transparent;
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
  text-decoration: none;
}

.nav-links a:hover {
  border-color: var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.36);
}

main {
  overflow: hidden;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(380px, 1.08fr);
  gap: 48px;
  align-items: center;
  width: min(1180px, 90vw);
  min-height: calc(100vh - 72px);
  margin: 0 auto;
  padding: 64px 0 56px;
}

.hero-copy {
  max-width: 640px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--oxide);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 11ch;
  margin-bottom: 22px;
  font-size: 5rem;
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: 2.5rem;
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.28rem;
  line-height: 1.18;
  letter-spacing: 0;
}

.hero-lede {
  max-width: 620px;
  margin-bottom: 30px;
  color: #343c3a;
  font-size: 1.18rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}

.button-link,
.text-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 6px;
  font-weight: 800;
  text-decoration: none;
}

.button-link {
  padding: 12px 18px;
  color: #fffaf0;
  background: var(--teal);
  box-shadow: 0 14px 32px rgba(36, 59, 60, 0.22);
}

.button-link:hover {
  color: #fffaf0;
  background: #1c3031;
}

.text-link {
  padding: 12px 4px;
  color: var(--teal);
}

.text-link::after {
  margin-left: 8px;
  content: "->";
}

.hero-visual {
  position: relative;
  margin: 0;
  isolation: isolate;
}

.hero-visual::before {
  position: absolute;
  inset: 8% -6% -8% 10%;
  z-index: -1;
  border: 1px solid rgba(181, 79, 55, 0.22);
  content: "";
}

.hero-visual img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid rgba(21, 25, 26, 0.18);
  box-shadow: var(--shadow);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: min(1180px, 90vw);
  margin: 0 auto 84px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(245, 241, 232, 0.68);
}

.metrics div {
  min-height: 126px;
  padding: 22px;
  border-right: 1px solid var(--line);
}

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

.metrics strong {
  display: block;
  margin-bottom: 6px;
  color: var(--teal);
  font-size: 2rem;
  line-height: 1;
}

.metrics span {
  color: var(--muted);
  font-size: 0.93rem;
  font-weight: 700;
}

.section-intro,
.sources {
  width: min(860px, 90vw);
  margin: 0 auto 34px;
}

.section-intro p:not(.eyebrow),
.sources p:not(.eyebrow) {
  color: var(--muted);
  font-size: 1.06rem;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  width: min(1180px, 90vw);
  margin: 0 auto 92px;
}

.case-card {
  display: flex;
  flex-direction: column;
  min-height: 310px;
  padding: 24px;
  border: 1px solid rgba(21, 25, 26, 0.14);
  border-radius: 8px;
  background: rgba(255, 252, 245, 0.78);
  box-shadow: 0 16px 46px rgba(21, 25, 26, 0.08);
}

.case-card p {
  color: #3d4542;
}

.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
}

.case-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 9px;
  border: 1px solid rgba(36, 59, 60, 0.18);
  border-radius: 999px;
  color: var(--teal);
  background: var(--teal-soft);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.78rem;
  font-weight: 800;
}

.source-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
  padding-top: 20px;
}

.source-row a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 7px 10px;
  border: 1px solid rgba(181, 79, 55, 0.28);
  border-radius: 6px;
  color: var(--oxide);
  background: rgba(181, 79, 55, 0.08);
  font-size: 0.88rem;
  font-weight: 800;
  text-decoration: none;
}

.method {
  display: grid;
  grid-template-columns: minmax(220px, 0.6fr) minmax(0, 1.4fr);
  gap: 34px;
  width: min(1180px, 90vw);
  margin: 0 auto 92px;
  padding: 44px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.method-grid article {
  min-height: 220px;
  padding: 22px;
  border-left: 3px solid var(--amber);
  background: rgba(255, 252, 245, 0.54);
}

.method-grid span {
  display: block;
  margin-bottom: 24px;
  color: var(--oxide);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-weight: 900;
}

.method-grid p {
  color: var(--muted);
}

.sources {
  margin-bottom: 82px;
}

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

.sources li {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.sources a {
  color: var(--teal);
  font-weight: 800;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 5vw 36px;
  border-top: 1px solid var(--line);
  color: var(--paper);
  background: var(--teal);
}

.site-footer p {
  max-width: 760px;
  margin-bottom: 0;
}

.site-footer a {
  flex: 0 0 auto;
  color: var(--paper);
  font-weight: 800;
}

@media (max-width: 920px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 48px;
  }

  h1 {
    max-width: 12ch;
    font-size: 4rem;
  }

  h2 {
    font-size: 2.1rem;
  }

  .metrics,
  .case-grid,
  .method,
  .method-grid {
    grid-template-columns: 1fr;
  }

  .metrics div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

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

@media (max-width: 640px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    min-height: 114px;
    padding: 12px 20px;
  }

  .nav-links {
    width: 100%;
    justify-content: space-between;
  }

  .nav-links a {
    padding-right: 8px;
    padding-left: 8px;
  }

  .hero,
  .metrics,
  .case-grid,
  .method,
  .section-intro,
  .sources {
    width: min(100% - 40px, 1180px);
  }

  .hero {
    gap: 34px;
    padding-top: 38px;
  }

  h1 {
    font-size: 3.1rem;
  }

  h2 {
    font-size: 1.82rem;
  }

  .hero-lede {
    font-size: 1.05rem;
  }

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

  .button-link,
  .text-link {
    justify-content: center;
    width: 100%;
  }

  .case-card,
  .method-grid article {
    padding: 20px;
  }

  .site-footer {
    flex-direction: column;
    padding-right: 20px;
    padding-left: 20px;
  }
}