/* Variables */
:root {
  --bg: #0f1115;
  --panel: #171a21;
  --text: #e6e6e6;
  --muted: #9aa0a6;
  --accent: #970000;
  --border: #262a33;
}

/* Global */
* {
  box-sizing: border-box;
}

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

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

/* Nav Bar */
.navbar {
  border-bottom: 1px solid var(--border);
  background: rgba(15,17,21,0.9);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav-inner {
  max-width: 1200px;
  margin: auto;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav a {
  margin-left: 1.5rem;
  color: var(--muted);
}

nav a:hover {
  color: var(--text);
}

.notice {
  background: #ffcc00;
  color: #000;
  text-align: center;
  padding: 2px 5px;
  font-size: small;
  font-weight: 600;
  height: auto;
}

.logo {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  font-weight: 600;
}

.logos-title {
  display: block;
  margin-bottom: 1.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.logo-row {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.logo-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.85rem;
}

.logo-item img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  opacity: 0.85;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.logo-item:hover img {
  opacity: 1;
  transform: translateY(-2px);
}

.logo img {
  width: 28px;
}

/* Hero */
.hero {
  padding: 6rem 1rem;
  text-align: center;
  background: radial-gradient(circle at top, #202020, var(--bg));
}

.hero h1 {
  font-size: 2rem;
  max-width: 800px;
  margin: auto;
}

.hero p {
  max-width: 640px;
  margin: 1.5rem auto;
  color: var(--muted);
}

.hero-actions {
  margin-top: 2rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  font-weight: 500;
  margin: 0.5rem;
}

.btn.primary {
  background: var(--accent);
  color: #fff;
}

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

.btn.secondary:hover {
  scale: 1.02;
  box-shadow:
    0 8px 24px rgba(79, 140, 255, 0.25),
    0 2px 6px rgba(0, 0, 0, 0.35);
}

/* Logo Row */
.logos {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--muted);
}

.logo-row span {
  margin: 0 1rem;
}

/* Features */
.features {
  max-width: 1200px;
  margin: auto;
  padding: 2rem 1rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

/* Cards */
.feature-card {
  background: var(--panel);
  padding: 1.5rem;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.showcase {
  padding: 2rem 1rem;
}

.showcase-inner {
  max-width: 1200px;
  margin: auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

.showcase video,
.showcase-inner video {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.opensource {
  padding: 2rem 1rem;
  text-align: center;
}

.os-card {
  max-width: 900px;
  margin: auto;
  background: var(--panel);
  padding: 3rem;
  border-radius: 12px;
  border: 1px solid var(--border);
}

/* Download Widget */
.downloads {
  padding: 2rem 1rem;
}

.downloads-inner {
  max-width: 900px;
  margin: auto;
}

.release {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.release-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.release h3 {
  margin: 0;
}

.release-date {
  color: var(--muted);
  font-size: 0.85rem;
}

.release-assets {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.release-assets a {
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  font-weight: 500;
  margin: 0.5rem;
}

.release-assets a:hover {
  scale: 1.02;
  box-shadow:
    0 8px 24px rgba(79, 140, 255, 0.25),
    0 2px 6px rgba(0, 0, 0, 0.35);
}

.loading {
  color: var(--muted);
}

.release-error {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  color: var(--muted);
}

.release-error a {
  color: var(--accent);
  text-decoration: none;
}

.release-error a:hover {
  text-decoration: underline;
}

/* Footer */
.footer {
  padding: 2rem;
  text-align: center;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

/* Mobile Support */
@media (max-width: 768px) {
  .showcase-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .showcase-text {
    margin-top: 1.5rem;
  }

  .showcase video,
  .showcase-inner video {
    max-width: 100%;
  }
  
}