:root {
  color-scheme: dark;
  --bg: #05070b;
  --bg-2: #0b1017;
  --panel: #101720;
  --panel-2: #0c1118;
  --line: #27313d;
  --line-strong: #3a4655;
  --text: #f4f7fb;
  --muted: #9ba7b7;
  --accent: #24e0c7;
  --accent-soft: rgba(36, 224, 199, .14);
  --danger: #e34c5f;
  --danger-soft: rgba(227, 76, 95, .16);
  --silver: #d9dee8;
  --gold: #f5c85b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Arial, "Malgun Gothic", sans-serif;
  background:
    radial-gradient(circle at 80% 8%, rgba(36, 224, 199, .12), transparent 28%),
    radial-gradient(circle at 12% 78%, rgba(227, 76, 95, .09), transparent 30%),
    linear-gradient(180deg, #080b10 0%, var(--bg) 48%, #030406 100%);
  color: var(--text);
}

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

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 32px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
  background: rgba(5, 7, 11, .72);
  backdrop-filter: blur(18px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand, nav, nav form {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.brand-text {
  font-weight: 800;
  letter-spacing: 0;
  color: var(--silver);
}

.brand-text .logo-i {
  color: var(--accent);
}

.brand-text .logo-l {
  color: var(--danger);
}

nav a, nav button {
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  cursor: pointer;
}

nav .login {
  color: var(--text);
}

nav a:hover, nav button:hover {
  color: var(--accent);
}

main {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(360px, 1.08fr);
  gap: 48px;
  align-items: center;
  min-height: calc(100vh - 220px);
  padding: 72px 0 42px;
}

.eyebrow {
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  margin: 0 0 12px;
}

h1 {
  font-size: clamp(42px, 7vw, 84px);
  line-height: 1;
  margin: 0 0 20px;
  letter-spacing: 0;
  color: var(--silver);
}

.hero-logo {
  font-weight: 900;
}

.hero-logo .logo-i {
  color: var(--accent);
}

.hero-logo .logo-l {
  color: var(--danger);
}

.hero-copy p:not(.eyebrow) {
  max-width: 620px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.release-note {
  margin-top: 18px;
  color: var(--muted);
}

.release-note strong {
  color: var(--text);
}

.primary, .secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 6px;
  font-weight: 700;
}

.primary {
  background: linear-gradient(135deg, var(--accent), #71f7e5);
  color: #03110f;
  border: 1px solid var(--accent);
  box-shadow: 0 14px 34px rgba(36, 224, 199, .18);
}

.secondary {
  border: 1px solid var(--line);
  color: var(--text);
}

.app-preview {
  border: 1px solid rgba(217, 222, 232, .14);
  border-radius: 8px;
  background: linear-gradient(180deg, #121923, #080b10);
  padding: 10px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, .42), inset 0 1px rgba(255, 255, 255, .04);
}

.app-preview img {
  width: 100%;
  display: block;
  border-radius: 6px;
  object-fit: contain;
}

dl {
  display: grid;
  gap: 12px;
  margin: 0;
}

dl div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

dt { color: var(--muted); }
dd { margin: 0; font-weight: 800; }

.features {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  padding: 0 0 72px;
}

.features article {
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, .025), rgba(255, 255, 255, 0));
  padding: 22px 0 0;
}

.features span {
  color: var(--accent);
  font-weight: 800;
}

.features h2 {
  margin-top: 14px;
  font-size: 22px;
}

.features p {
  color: var(--muted);
  line-height: 1.65;
}

.section, .page-title, .post-detail, .form, .message {
  padding: 48px 0;
}

.section-head, .page-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

h2 {
  font-size: 28px;
  margin: 0;
}

.post-list {
  border-top: 1px solid var(--line);
}

.board-tabs {
  display: flex;
  gap: 8px;
  margin: -20px 0 28px;
}

.board-tabs a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  background: var(--panel-2);
}

.board-tabs a.active {
  color: #03110f;
  border-color: var(--accent);
  background: var(--accent);
  font-weight: 800;
}

.release-list {
  display: grid;
  gap: 18px;
  padding-bottom: 56px;
}

.release-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 24px;
}

.release-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.release-body {
  margin: 20px 0 0;
  padding: 18px;
  border-radius: 6px;
  background: #0c1014;
  color: var(--muted);
  white-space: pre-wrap;
  line-height: 1.6;
  font: inherit;
}

.asset-list {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.asset-list a {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.github-link {
  display: inline-block;
  margin-top: 18px;
  color: var(--accent);
}

.post-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
  border-bottom: 1px solid var(--line);
  color: var(--text);
}

.post-row span {
  font-weight: 700;
}

.post-row time, .post-row small, .meta, .empty {
  color: var(--muted);
}

.back {
  color: var(--accent);
  display: inline-block;
  margin-bottom: 24px;
}

.post-detail h1, .page-title h1, .message h1 {
  font-size: 42px;
}

.content {
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  white-space: pre-wrap;
  line-height: 1.8;
}

.form {
  display: grid;
  gap: 18px;
  max-width: 720px;
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
}

input, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #0c1014;
  color: var(--text);
  padding: 14px;
  font: inherit;
}

select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #0c1014;
  color: var(--text);
  padding: 14px;
  font: inherit;
}

.error {
  color: var(--gold);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 32px;
  color: var(--muted);
  border-top: 1px solid rgba(255, 255, 255, .08);
}

@media (max-width: 760px) {
  .site-header, .site-footer, .page-title, .post-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-header {
    padding: 18px;
  }

  nav {
    flex-wrap: wrap;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 42px;
  }

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

@media (max-width: 980px) {
  .features {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}