:root {
  color-scheme: light;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #17212b;
  background: #f5f7f8;
  --ink: #17212b;
  --muted: #5e6b76;
  --line: #d9e0e6;
  --panel: #ffffff;
  --brand: #0f766e;
  --brand-dark: #115e59;
  --accent: #1f6feb;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, #eef3f5 0, #f9fafb 480px),
    #f9fafb;
}

a {
  color: inherit;
}

.siteHeader {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 0 clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgb(23 33 43 / 0.08);
  background: rgb(245 247 248 / 0.92);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-size: 1rem;
  font-weight: 800;
  text-decoration: none;
}

.brandMark {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  object-fit: cover;
  box-shadow: 0 2px 7px rgb(23 33 43 / 0.14);
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 650;
}

.nav a {
  text-decoration: none;
}

.nav a:hover {
  color: var(--brand-dark);
}

.hero {
  display: grid;
  grid-template-columns: minmax(320px, 0.86fr) minmax(420px, 1.14fr);
  align-items: center;
  gap: clamp(28px, 5vw, 72px);
  max-width: 1240px;
  min-height: calc(100vh - 72px);
  margin: 0 auto;
  padding: clamp(40px, 6vw, 82px) clamp(20px, 5vw, 48px) 46px;
}

.heroText {
  max-width: 620px;
}

.heroBrand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  color: #24313d;
  font-size: 0.98rem;
  font-weight: 850;
}

.heroBrand img {
  width: 17px;
  height: 17px;
  border-radius: 4px;
  object-fit: cover;
  box-shadow: 0 2px 7px rgb(23 33 43 / 0.12);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--brand-dark);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 620px;
  margin-bottom: 20px;
  color: #111827;
  font-size: clamp(2.6rem, 6vw, 5.4rem);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 12px;
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 9px;
  font-size: 1.08rem;
  letter-spacing: 0;
}

.lead {
  max-width: 560px;
  margin-bottom: 26px;
  color: #3f4b56;
  font-size: 1.13rem;
  line-height: 1.65;
}

.heroActions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.primaryButton,
.secondaryButton {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 800;
  text-decoration: none;
  transition:
    transform 120ms ease,
    background 120ms ease,
    border-color 120ms ease;
}

.primaryButton {
  background: var(--brand);
  color: #ffffff;
  box-shadow: 0 12px 24px rgb(15 118 110 / 0.22);
}

.primaryButton:hover {
  background: var(--brand-dark);
  transform: translateY(-1px);
}

.primaryButton[aria-disabled="true"] {
  pointer-events: none;
  background: #87929d;
  box-shadow: none;
}

.secondaryButton {
  border: 1px solid #b9c4ce;
  background: #ffffff;
  color: #20303d;
}

.secondaryButton:hover {
  border-color: var(--brand);
}

.downloadMeta {
  min-height: 22px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.heroVisual {
  min-width: 0;
}

.heroVisual > img,
.imageGrid img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgb(23 33 43 / 0.12);
  border-radius: 8px;
  background: #ffffff;
  box-shadow: 0 24px 60px rgb(23 33 43 / 0.16);
}

.summaryBand {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 1140px;
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--line);
}

.summaryBand div {
  min-height: 112px;
  padding: 24px;
  background: #ffffff;
}

.summaryBand strong,
.summaryBand span {
  display: block;
}

.summaryBand strong {
  margin-bottom: 7px;
  font-size: 1.02rem;
}

.summaryBand span {
  color: var(--muted);
  line-height: 1.45;
}

.section,
.downloadSection {
  max-width: 1140px;
  margin: 0 auto;
  padding: clamp(70px, 9vw, 110px) 20px 0;
}

.sectionIntro {
  max-width: 720px;
  margin-bottom: 30px;
}

.sectionIntro p:not(.eyebrow),
.downloadSection p {
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.65;
}

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

.featureGrid article {
  min-height: 184px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.featureGrid p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.visualSection {
  padding-top: 96px;
}

.imageGrid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

figure {
  margin: 0;
}

figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.5;
}

.downloadSection {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  margin-top: 96px;
  padding: 34px;
  border: 1px solid rgb(15 118 110 / 0.2);
  border-radius: 8px;
  background: #e9f5f3;
}

.downloadSection h2 {
  font-size: clamp(1.8rem, 3vw, 2.7rem);
}

.downloadSection p {
  max-width: 720px;
  margin-bottom: 0;
}

.downloadButtons {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
  min-width: 250px;
}

.releaseDocument {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.releaseDocument h3 {
  margin-bottom: 16px;
  font-size: 1.5rem;
}

.releaseDocument h4 {
  margin: 26px 0 10px;
  font-size: 1.12rem;
}

.releaseDocument h5 {
  margin: 20px 0 8px;
  font-size: 1rem;
}

.releaseDocument p,
.releaseDocument li,
.releaseLoading {
  color: var(--muted);
  line-height: 1.6;
}

.releaseDocument ul {
  margin: 0 0 6px;
  padding-left: 22px;
}

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

.contactBox div {
  padding: 24px;
  background: #ffffff;
}

.contactBox span,
.contactBox strong,
.contactBox a {
  display: block;
}

.contactBox span {
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.contactBox a {
  color: var(--brand-dark);
  font-weight: 800;
  text-decoration: none;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  max-width: 1140px;
  margin: 80px auto 0;
  padding: 28px 20px 36px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

.footer span:first-child {
  color: var(--ink);
  font-weight: 800;
}

@media (max-width: 900px) {
  .siteHeader {
    position: static;
    flex-direction: column;
    align-items: flex-start;
    min-height: 0;
    padding-top: 18px;
    padding-bottom: 18px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .summaryBand,
  .featureGrid,
  .imageGrid,
  .contactBox,
  .downloadSection {
    grid-template-columns: 1fr;
  }

  .downloadSection {
    align-items: stretch;
  }

  .downloadButtons {
    min-width: 0;
  }

  .downloadSection .primaryButton,
  .downloadSection .secondaryButton {
    width: 100%;
  }

  .releaseDocument {
    padding: 20px;
  }
}

@media (max-width: 560px) {
  .nav {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
  }

  h1 {
    font-size: 2.55rem;
  }

  .heroActions .primaryButton,
  .heroActions .secondaryButton {
    width: 100%;
  }

  .summaryBand div,
  .featureGrid article,
  .contactBox div {
    padding: 20px;
  }
}
