:root {
  color-scheme: light dark;
  --accent: #1f6f78;
  --accent-strong: #17555c;
  --bg: #f7fafa;
  --border: #d6e0e2;
  --muted: #5c686b;
  --panel: #ffffff;
  --text: #1c282a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101516;
    --border: #2d3c3f;
    --muted: #a8b5b8;
    --panel: #172022;
    --text: #edf7f8;
  }
}

* {
  box-sizing: border-box;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  margin: 0;
}

a {
  color: var(--accent);
}

.page {
  margin: 0 auto;
  max-width: 1020px;
  padding: 28px 22px 56px;
}

.nav {
  align-items: center;
  display: flex;
  gap: 14px;
  justify-content: space-between;
  margin-bottom: 58px;
}

.brand {
  align-items: center;
  color: var(--text);
  display: inline-flex;
  font-weight: 750;
  gap: 10px;
  text-decoration: none;
}

.logo {
  align-items: center;
  background: var(--accent);
  border-radius: 8px;
  color: white;
  display: inline-flex;
  font-size: 22px;
  font-weight: 800;
  height: 40px;
  justify-content: center;
  position: relative;
  width: 40px;
}

.logo::before {
  background: #e7fbfc;
  content: "";
  height: 7px;
  left: 0;
  position: absolute;
  right: 0;
  top: 0;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  align-items: center;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 7px;
  color: white;
  display: inline-flex;
  font-weight: 650;
  min-height: 40px;
  padding: 8px 14px;
  text-decoration: none;
}

.button.secondary {
  background: transparent;
  color: var(--accent);
}

.button.disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

.hero {
  display: grid;
  gap: 30px;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.95fr);
  margin-bottom: 64px;
}

.hero-copy {
  align-self: center;
}

.eyebrow {
  color: var(--accent);
  font-weight: 750;
  margin: 0 0 10px;
}

h1 {
  font-size: clamp(40px, 8vw, 72px);
  letter-spacing: 0;
  line-height: 1.02;
  margin: 0;
}

h2 {
  font-size: 24px;
  letter-spacing: 0;
  line-height: 1.25;
  margin: 0 0 12px;
}

p {
  margin: 0;
}

.lead {
  color: var(--muted);
  font-size: 20px;
  margin: 22px 0 26px;
  max-width: 620px;
}

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

.browser {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 18px 45px rgba(13, 31, 35, 0.12);
  min-height: 380px;
  overflow: hidden;
}

.drop-target {
  align-items: center;
  background: color-mix(in srgb, var(--accent) 12%, var(--panel));
  border-bottom: 2px solid var(--accent);
  display: grid;
  gap: 14px;
  grid-template-columns: auto minmax(0, 1fr);
  min-height: 92px;
  padding: 18px 26px;
}

.drop-target .logo {
  flex: 0 0 auto;
}

.drop-title {
  color: var(--accent-strong);
  font-size: 20px;
  font-weight: 750;
}

.drop-subtitle {
  color: var(--muted);
  font-size: 14px;
}

.drop-actions {
  display: grid;
  gap: 8px;
  grid-column: 1 / -1;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.drop-actions span {
  background: color-mix(in srgb, var(--panel) 82%, var(--text) 8%);
  border: 1px solid color-mix(in srgb, var(--text) 18%, transparent);
  border-radius: 6px;
  color: var(--text);
  display: block;
  font-size: 14px;
  font-weight: 750;
  min-width: 0;
  padding: 8px 10px;
  text-align: center;
}

.mock-page {
  padding: 42px 34px;
}

.mock-heading {
  font-size: 28px;
  font-weight: 750;
  margin-bottom: 18px;
}

.mock-text {
  color: var(--muted);
  font-size: 18px;
  max-width: 380px;
}

.selection {
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border-radius: 7px;
  color: var(--accent-strong);
  display: inline-block;
  font-size: 20px;
  font-weight: 750;
  margin-top: 42px;
  padding: 8px 18px;
}

.sections {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.section {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 22px;
}

.section ul {
  margin: 12px 0 0;
  padding-left: 20px;
}

.section li + li {
  margin-top: 7px;
}

.notice {
  background: color-mix(in srgb, var(--accent) 8%, var(--panel));
  border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--border));
  border-radius: 8px;
  color: var(--muted);
  margin-top: 24px;
  padding: 14px 16px;
}

.footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  margin-top: 56px;
  padding-top: 22px;
}

@media (max-width: 820px) {
  .page {
    padding: 20px 16px 42px;
  }

  .nav {
    align-items: flex-start;
    flex-direction: column;
    margin-bottom: 38px;
  }

  .hero,
  .sections {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 24px;
  }

  .lead {
    font-size: 18px;
  }
}