:root {
  color-scheme: light;
  --bg: #f6f7f4;
  --paper: #ffffff;
  --ink: #16212a;
  --muted: #5e6a73;
  --line: #d9ddd9;
  --accent: #0f7c8d;
  --accent-strong: #075b68;
  --warm: #a4602f;
  --shadow: 0 24px 60px rgba(22, 33, 42, 0.12);
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  overflow-x: hidden;
}

a {
  color: inherit;
}

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

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 10;
  padding: 10px 14px;
  background: var(--ink);
  color: white;
  border-radius: 6px;
}

.skip-link:focus {
  top: 16px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 4;
  border-bottom: 1px solid rgba(217, 221, 217, 0.82);
  background: rgba(246, 247, 244, 0.9);
  backdrop-filter: saturate(160%) blur(18px);
}

.nav {
  max-width: var(--max);
  margin: 0 auto;
  min-height: 72px;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 760;
  letter-spacing: 0;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(15, 124, 141, 0.18);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 0.94rem;
  font-weight: 640;
  color: var(--muted);
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-download {
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
}

.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 86px 24px 72px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(240px, 0.62fr);
  gap: 48px;
  align-items: center;
}

.hero-copy h1,
.policy-hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.75rem, 8vw, 5.9rem);
  line-height: 0.95;
  letter-spacing: 0;
  text-wrap: balance;
}

.hero-copy p {
  max-width: 620px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(1.1rem, 2vw, 1.34rem);
  overflow-wrap: break-word;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 18px;
  border-radius: 8px;
  font-weight: 760;
  text-decoration: none;
  line-height: 1.15;
}

.button.primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 14px 30px rgba(15, 124, 141, 0.24);
}

.button.primary:hover {
  background: var(--accent-strong);
}

.button.secondary {
  border: 1px solid var(--line);
  background: var(--paper);
}

.hero-art {
  justify-self: center;
  width: min(100%, 340px);
  aspect-ratio: 1;
  padding: 18px;
  border: 1px solid rgba(217, 221, 217, 0.9);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(255,255,255,0.92), rgba(255,255,255,0.62)),
    radial-gradient(circle at 50% 45%, rgba(15, 124, 141, 0.18), transparent 58%);
  box-shadow: var(--shadow);
}

.hero-art img {
  width: 100%;
  height: 100%;
  border-radius: 8px;
  object-fit: cover;
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 74px 24px;
}

.band {
  max-width: none;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.band > * {
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr);
  gap: 40px;
  align-items: end;
  padding: 0 24px;
}

.section h2,
.policy-content h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1;
  letter-spacing: 0;
}

.section-heading p,
.workflow-copy p,
.safety-layout p,
.download p,
.policy-hero p,
.policy-content p {
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.feature-grid {
  max-width: var(--max);
  margin: 46px auto 0;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.feature {
  min-height: 176px;
  padding: 26px;
  background: var(--paper);
}

.feature h3,
.steps strong {
  margin: 0;
  font-size: 1.04rem;
  line-height: 1.25;
}

.feature p {
  margin: 12px 0 0;
  color: var(--muted);
}

.workflow {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: 56px;
  align-items: start;
}

.workflow-copy {
  position: sticky;
  top: 104px;
}

.workflow-copy p {
  margin-top: 22px;
}

.steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 18px;
}

.steps li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px 20px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.68);
}

.steps span {
  width: 44px;
  height: 44px;
  grid-row: span 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(164, 96, 47, 0.12);
  color: var(--warm);
  font-weight: 800;
}

.steps p {
  margin: -6px 0 0;
  color: var(--muted);
}

.safety-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.75fr);
  gap: 48px;
  align-items: center;
  padding: 0 24px;
}

.safety-layout p {
  margin-top: 22px;
}

.check-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.check-list li {
  padding: 16px 18px;
  border-left: 4px solid var(--accent);
  background: var(--bg);
  border-radius: 0 8px 8px 0;
  font-weight: 650;
}

.download {
  text-align: center;
}

.download p {
  max-width: 680px;
  margin: 20px auto 30px;
}

.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 34px 24px 46px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer p {
  max-width: 720px;
  margin: 0;
}

.site-footer div {
  display: flex;
  gap: 18px;
  white-space: nowrap;
}

.policy-page {
  max-width: 860px;
  margin: 0 auto;
  padding: 76px 24px 88px;
}

.policy-hero {
  padding-bottom: 44px;
  border-bottom: 1px solid var(--line);
}

.policy-date {
  margin: 0 0 16px;
  color: var(--warm);
  font-weight: 760;
}

.policy-hero h1 {
  font-size: clamp(3rem, 8vw, 5rem);
}

.policy-hero p {
  max-width: 720px;
  margin-top: 22px;
  font-size: 1.18rem;
}

.policy-content {
  display: grid;
  gap: 34px;
  padding-top: 46px;
}

.policy-content section {
  display: grid;
  gap: 12px;
}

.policy-content h2 {
  font-size: clamp(1.45rem, 2vw, 1.9rem);
}

.policy-content a {
  color: var(--accent-strong);
  font-weight: 700;
}

@media (max-width: 840px) {
  .nav {
    min-height: auto;
    padding: 18px 20px;
    align-items: flex-start;
  }

  .nav,
  .nav-links,
  .hero,
  .section-heading,
  .workflow,
  .safety-layout,
  .site-footer {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
    flex-wrap: wrap;
    gap: 12px 18px;
  }

  .hero {
    padding: 56px 20px 58px;
  }

  .hero-art {
    justify-self: start;
    width: min(100%, 260px);
  }

  .section {
    padding: 56px 20px;
  }

  .section-heading,
  .feature-grid,
  .safety-layout {
    padding: 0;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .workflow-copy {
    position: static;
  }

  .site-footer div {
    white-space: normal;
  }
}

@media (max-width: 540px) {
  .hero-copy h1,
  .policy-hero h1 {
    font-size: 2.6rem;
    line-height: 1.02;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .steps li {
    grid-template-columns: 1fr;
  }

  .steps span {
    grid-row: auto;
  }
}