:root {
  --ink: #f7fbf7;
  --muted: rgba(247, 251, 247, 0.68);
  --dark: #050807;
  --panel: rgba(8, 14, 13, 0.72);
  --panel-strong: rgba(10, 18, 17, 0.94);
  --line: rgba(247, 251, 247, 0.14);
  --accent: #50d5ff;
  --green: #71e4a9;
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  color: var(--ink);
  background:
    linear-gradient(140deg, rgba(80, 213, 255, 0.12), transparent 34rem),
    linear-gradient(180deg, #081110 0%, var(--dark) 100%);
  font-family:
    Arial,
    "Noto Sans KR",
    sans-serif;
}

body {
  padding: 22px;
}

a {
  color: inherit;
}

.download-header,
.download-shell {
  width: min(1080px, calc(100% - 8px));
  margin-inline: auto;
}

.download-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 42px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(247, 251, 247, 0.06);
  color: var(--accent);
  font-weight: 900;
}

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

.brand span span {
  color: var(--muted);
  font-size: 0.84rem;
}

.download-header nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.download-header nav a,
.download-button {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 14px;
  text-decoration: none;
  font-weight: 800;
}

.download-header nav a {
  color: var(--muted);
}

.download-header nav a:hover {
  color: var(--ink);
  border-color: rgba(247, 251, 247, 0.34);
}

.download-shell {
  display: grid;
  gap: 24px;
}

.download-hero {
  max-width: 780px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 14px;
  font-size: clamp(2.6rem, 6vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.download-hero p:last-child {
  max-width: 640px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.7;
}

.download-list {
  display: grid;
  gap: 14px;
}

.download-item {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  background: var(--panel);
  box-shadow: 0 28px 54px rgba(0, 0, 0, 0.24);
}

.file-icon {
  width: 74px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid color-mix(in srgb, var(--accent) 44%, transparent);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  color: var(--accent);
  font-weight: 900;
}

.file-copy h2 {
  margin-bottom: 12px;
  font-size: 1.42rem;
  line-height: 1.1;
}

.file-copy dl {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
}

.file-copy div {
  min-width: 130px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 9px 10px;
  background: rgba(247, 251, 247, 0.04);
}

.file-copy dt {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
}

.file-copy dd {
  margin: 4px 0 0;
  font-weight: 800;
}

.download-button {
  min-width: 124px;
  background: color-mix(in srgb, var(--green) 18%, transparent);
  border-color: color-mix(in srgb, var(--green) 48%, transparent);
  color: var(--ink);
}

.download-button:hover {
  border-color: color-mix(in srgb, var(--green) 78%, transparent);
}

@media (max-width: 720px) {
  body {
    padding: 16px;
  }

  .download-header,
  .download-item {
    align-items: flex-start;
    grid-template-columns: 1fr;
  }

  .download-header {
    flex-direction: column;
  }

  .download-header nav {
    justify-content: flex-start;
  }

  .file-copy dl {
    display: grid;
    grid-template-columns: 1fr;
  }

  .download-button {
    width: 100%;
  }
}