:root {
  color-scheme: light;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  background: #ffffff;
  color: #172136;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #ffffff;
}

a {
  color: inherit;
  text-decoration: none;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
  background: rgba(255, 255, 255, 0.92);
  padding: 0 28px;
  backdrop-filter: blur(16px);
}

.brand,
.header-cta,
.actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.brand {
  gap: 10px;
  font-weight: 800;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  color: #4b5563;
  font-size: 14px;
}

nav a {
  border-radius: 999px;
  padding: 8px 12px;
}

nav a:hover,
.secondary:hover {
  background: #f1f5f9;
}

.header-cta,
.primary {
  border-radius: 999px;
  background: #111827;
  color: #ffffff;
  font-weight: 700;
}

.header-cta {
  padding: 9px 14px;
  white-space: nowrap;
}

.hero {
  min-height: min(720px, calc(100vh - 64px));
  display: grid;
  align-items: end;
  background-image: linear-gradient(90deg, rgba(15, 23, 42, 0.88), rgba(15, 23, 42, 0.58), rgba(15, 23, 42, 0.16)), var(--hero-image);
  background-position: center;
  background-size: cover;
  color: #ffffff;
  padding: clamp(48px, 8vw, 104px) 28px;
}

.hero-copy {
  width: min(820px, 100%);
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(42px, 7vw, 82px);
  line-height: 1.05;
  letter-spacing: 0;
}

.lead {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 20px;
  line-height: 1.75;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.actions a {
  min-height: 48px;
  border-radius: 999px;
  padding: 0 20px;
  font-weight: 800;
}

.primary {
  background: #ffffff;
  color: #111827;
}

.secondary {
  border: 1px solid rgba(255, 255, 255, 0.55);
  color: #ffffff;
}

.content-band {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(28px, 5vw, 72px);
  padding: clamp(48px, 7vw, 92px) clamp(22px, 6vw, 80px);
}

.muted {
  background: #f8fafc;
}

.copy-block {
  max-width: 560px;
}

.copy-block h2 {
  color: #111827;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.18;
  letter-spacing: 0;
}

.copy-block p,
.steps,
.faq-list p,
.grid p {
  color: #5f6b7a;
  font-size: 16px;
  line-height: 1.8;
}

.section-kicker {
  color: #0f766e;
}

.media-card {
  align-self: start;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  background: #ffffff;
  padding: 10px;
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.08);
}

.media-preview {
  display: block;
  width: 100%;
  max-height: 520px;
  border-radius: 6px;
  object-fit: cover;
}

.grid,
.faq-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.grid article,
.faq-list article {
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  background: #ffffff;
  padding: 22px;
}

.grid h3,
.faq-list h3 {
  color: #111827;
  font-size: 18px;
  line-height: 1.45;
}

.steps {
  margin: 0;
  padding-left: 22px;
}

.steps li + li {
  margin-top: 12px;
}

.scenario-list {
  display: flex;
  flex-wrap: wrap;
  align-content: start;
  gap: 12px;
}

.scenario-list span {
  border: 1px solid #d1fae5;
  border-radius: 999px;
  background: #ecfdf5;
  color: #065f46;
  padding: 10px 14px;
  font-weight: 700;
}

footer {
  border-top: 1px solid #e5e7eb;
  padding: 28px;
  text-align: center;
  color: #64748b;
}

footer a {
  text-decoration: underline;
  text-underline-offset: 4px;
}

@media (max-width: 920px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 18px;
  }

  nav {
    justify-content: flex-start;
  }

  .header-cta {
    display: none;
  }

  .hero {
    min-height: 620px;
  }

  .content-band,
  .grid,
  .faq-list {
    grid-template-columns: 1fr;
  }
}