:root {
      --bg: #050607;
      --text: #f5f5f5;
      --text-muted: #b3b3b3;
      --accent: #3ccb5a;
      --accent-dark: #1e7a3a;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      background: var(--bg);
      color: var(--text);
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      margin: 0;
      padding: 0;
      background: url("greenviper.jpg") no-repeat right top;
      background-size: auto 100vh;
      background-attachment: fixed;
      background-color: #000;
    }

    .page {
      max-width: 960px;
      margin: 0 auto;
      padding: 2rem 1.5rem 3rem;
      position: relative;
    }

    header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1.5rem;
      margin-bottom: 2.5rem;
    }

    .brand {
      display: flex;
      flex-direction: column;
      gap: 0.25rem;
    }

    .brand-title {
      font-size: 1.8rem;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    .brand-subtitle {
      font-size: 0.95rem;
      color: var(--text-muted);
    }

    .hero-image {
      position: relative;
      flex-shrink: 0;
    }

    .hero-image img {
      display: block;
      max-width: 260px;
      height: auto;
      filter: drop-shadow(0 0 24px rgba(0, 0, 0, 0.9));
    }

    main {
      display: grid;
      grid-template-columns: minmax(0, 2fr) minmax(0, 1.4fr);
      gap: 2.5rem;
      align-items: flex-start;
    }

    .section {
      margin-bottom: 2rem;
    }

    h2 {
      font-size: 1.2rem;
      margin-bottom: 0.75rem;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      color: var(--text-muted);
    }

    p {
      font-size: 0.98rem;
      line-height: 1.6;
      color: var(--text);
      margin-bottom: 0.75rem;
    }

    .muted {
      color: var(--text-muted);
      font-size: 0.9rem;
    }

    .pill {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      padding: 0.25rem 0.7rem;
      border-radius: 999px;
      background: rgba(60, 203, 90, 0.12);
      color: var(--accent);
      font-size: 0.8rem;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      margin-bottom: 0.75rem;
    }

    .download-block {
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
      padding: 1.25rem 1.5rem;
      border-radius: 0.75rem;
      background: radial-gradient(circle at top left, rgba(60, 203, 90, 0.18), transparent 55%);
      border: 1px solid rgba(255, 255, 255, 0.06);
    }

    .download-button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      padding: 0.8rem 1.4rem;
      border-radius: 999px;
      border: none;
      cursor: pointer;
      background: var(--accent);
      color: #020303;
      font-weight: 600;
      font-size: 0.95rem;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      transition: background 0.15s ease, transform 0.1s ease, box-shadow 0.1s ease;
      box-shadow: 0 0 18px rgba(60, 203, 90, 0.35);
    }

    .download-button:hover {
      background: var(--accent-dark);
      transform: translateY(-1px);
      box-shadow: 0 0 24px rgba(60, 203, 90, 0.5);
    }

    .download-button:active {
      transform: translateY(0);
      box-shadow: 0 0 10px rgba(60, 203, 90, 0.3);
    }

    .version {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    .desktop-note {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    .mobile-message {
      display: none;
      font-size: 0.9rem;
      color: var(--text-muted);
      padding: 0.9rem 1rem;
      border-radius: 0.6rem;
      border: 1px dashed rgba(255, 255, 255, 0.12);
      background: rgba(255, 255, 255, 0.02);
    }

    footer {
      margin-top: 2.5rem;
      font-size: 0.8rem;
      color: var(--text-muted);
      text-align: left;
      opacity: 0.8;
    }

	#license {
		max-width: 800px;
		margin: 0 auto;
		padding: 20px 30px;
		line-height: 1.4;
		font-size: 16px;
	}

	#license h1 {
		margin-top: 0;
		font-size: 26px;
	}

	#license p {
		margin: 0 0 10px 0;
	}

	#license ol {
		margin: 10px 0 10px 20px;
		padding: 0;
	}

	#license li {
		margin-bottom: 12px;
	}

	#license ul {
		margin: 5px 0 10px 20px;
		padding: 0;
	}

	#license strong {
		font-weight: 600;
	}

	a {
		color: #4CCF4A;
		text-decoration: none;
		transition: color 0.15s ease;
	}

	a:hover {
		color: #7CFF78;
	}

	a:active {
		color: #2E9E2D;
	}

	a:visited {
		color: #3AA83A;
	}

	a:focus {
		outline: 2px solid #9AFF8F;
		outline-offset: 2px;
	}

	.tip-me a {
		display: inline-block;
		padding: 12px 22px;
		background: #4CCF4A;
		color: #000;
		font-weight: 600;
		text-decoration: none;
		border-radius: 6px;
		transition: background 0.15s ease, color 0.15s ease;
	}

	.tip-me a:hover {
		background: #7CFF78;
		color: #000;
	}

	.tip-me a:active {
		background: #2E9E2D;
		color: #fff;
	}

	.tip-me a:focus {
		outline: 2px solid #9AFF8F;
		outline-offset: 3px;
	}

	.download-desktop {
		display: flex;
		flex-direction: column;
		gap: 20px;
	}

	.version,
	.desktop-note {
		line-height: 1.4;
	}

	.tip-me {
		margin-top: 10px;
	}

	#how-to-use {
		max-width: 900px;
		margin: 60px auto;
		padding: 20px 30px;
		line-height: 1.6;
	}

	#how-to-use h2 {
		font-size: 32px;
		margin-bottom: 20px;
	}

	#how-to-use h3 {
		font-size: 22px;
		margin-top: 30px;
		margin-bottom: 10px;
	}

	#how-to-use p {
		margin-bottom: 14px;
	}

	.wv-screenshot {
		margin: 20px 0 40px 0;
		text-align: center;
	}

	.wv-screenshot img {
		max-width: 100%;
		border-radius: 6px;
		border: 1px solid #333;
		box-shadow: 0 0 12px rgba(0, 255, 0, 0.15);
	}

	.collapsible {
		margin: 60px auto;
		max-width: 900px;
		border: 1px solid #333;
		border-radius: 6px;
		background: rgba(0,0,0,0.4);
	}

	.collapsible-header {
		display: flex;
		justify-content: space-between;
		align-items: center;
		padding: 18px 24px;
		cursor: pointer;
	}

	.collapsible-header:hover {
		background: rgba(0,255,0,0.08);
	}

	.collapsible-header h2 {
		margin: 0;
		font-size: 26px;
	}

	.collapsible-helper {
		font-size: 14px;
		color: #4CCF4A;
	}

	.collapsible-content {
		max-height: 0;
		overflow: hidden;
		padding: 0 24px;
		transition: max-height 0.35s ease, padding 0.35s ease;
	}

	.collapsible.open .collapsible-content {
		max-height: none;
		padding: 24px;
	}

	.collapsible-header {
		display: block;
		padding: 24px;
		cursor: pointer;
	}

	.collapsible-header h2 {
		display: block;
		margin: 0 0 12px 0;
		font-size: 28px;
	}

	.collapsible-description {
		display: block;
		margin: 0 0 12px 0;
		line-height: 1.5;
		font-size: 16px;
	}

	.collapsible-helper {
		display: block;
		margin: 0;
		font-size: 14px;
		color: #4CCF4A;
	}

	.collapsible-content {
		max-height: 0;
		overflow: hidden;
		padding: 0 24px;
		transition: max-height 0.35s ease, padding 0.35s ease;
	}

	.wv-screenshot {
		margin: 20px 0 40px 0;
		text-align: center;
	}

	.wv-screenshot img {
		max-width: 100%;
		border-radius: 6px;
		border: 1px solid #333;
		box-shadow: 0 0 12px rgba(0, 255, 0, 0.15);
	}

	@media (max-width: 768px) {
      header {
        flex-direction: column-reverse;
        align-items: flex-start;
      }

      .hero-image img {
        max-width: 200px;
      }

      main {
        grid-template-columns: minmax(0, 1fr);
      }

      .download-desktop {
        display: none;
      }

      .mobile-message {
        display: block;
      }
    }