* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
:root {
  --bg-main: #1a1d3d;
  --bg-overlay: #242851;
  --bg-card: #2b2f5a;
  --bg-card-hover: #34386a;
  --text-main: #e6e8f5;
  --text-muted: #9ea2c1;
  --accent: #7c4cff;
  --accent-2: #9966ff;
  --accent-soft: rgba(124, 76, 255, 0.2);
  --accent-soft-2: rgba(124, 76, 255, 0.12);
  --border: rgba(120, 128, 184, 0.35);
}
body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
    Cantarell, sans-serif;
  background:
    radial-gradient(circle at 0% 0%, #2f2454 0%, transparent 45%),
    radial-gradient(circle at 100% 100%, #221744 0%, transparent 40%),
    var(--bg-main);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  overflow-y: auto;
  overflow-x: hidden;
}
.container {
  text-align: center;
  padding: 2rem;
  max-width: 600px;
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-sizing: border-box;
}
.logo-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin: 0 auto 1rem;
}
.logo-icon {
  width: 250px;
  height: auto;
  filter: drop-shadow(0 0 30px rgba(124, 76, 255, 0.42));
  animation: float 3s ease-in-out infinite;
}
.logo-text {
  margin-top: 0.5rem;
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  text-transform: lowercase;
}
@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}
.tagline {
  font-size: 1.8rem;
  color: var(--accent-2);
  margin-bottom: 2rem;
  min-height: 2.5rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-align: center;
}
.tagline-static {
  display: inline;
}
.tagline-dynamic {
  display: inline;
}
.tagline-char {
  display: inline-block;
  opacity: 1;
  white-space: pre;
}
.tagline-char.fade-out {
  animation: charFadeOut 0.15s ease-out forwards;
}
.tagline-char.fade-in {
  opacity: 0;
  animation: charFadeIn 0.15s ease-in forwards;
}
@keyframes charFadeOut {
  to {
    opacity: 0;
  }
}
@keyframes charFadeIn {
  to {
    opacity: 1;
  }
}
.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 3rem;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-main);
  background: linear-gradient(135deg, var(--accent) 0, var(--accent-2) 100%);
  border: none;
  border-radius: 12px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 0 30px rgba(124, 76, 255, 0.35);
  position: relative;
  overflow: hidden;
}
.os-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}
.os-icon svg {
  width: 100%;
  height: 100%;
}
.download-btn .os-icon svg path,
.download-btn .os-icon svg polygon {
  fill: var(--text-main);
}
.download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(124, 76, 255, 0.55);
}
.download-btn:active {
  transform: translateY(0);
}
.download-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left 0.5s;
}
.download-btn:hover::before {
  left: 100%;
}
.learn-more-link-wrapper {
  display: block;
}
.learn-more-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--accent-2);
  font-size: 0.9rem;
  text-decoration: none;
  opacity: 0.75;
  transition: opacity 0.3s ease;
}
.learn-more-link svg {
  width: 1em;
  height: 1em;
  flex-shrink: 0;
}
.learn-more-link:hover {
  opacity: 0.5;
  text-decoration: underline;
}
.platform-note {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.all-downloads {
  margin-top: 0.2rem;
}
.all-downloads-toggle {
  background: 0 0;
  border: none;
  color: var(--accent-2);
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: underline;
  padding: 0.5rem;
  transition: opacity 0.3s ease;
}
.all-downloads-toggle:hover {
  opacity: 0.7;
}
.downloads-list {
  margin-top: 0.7rem;
  padding: 0;
  background: var(--bg-overlay);
  border: 1px solid var(--accent-soft);
  border-radius: 8px;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition:
    max-height 0.3s ease,
    padding 0.3s ease,
    opacity 0.3s ease;
}
.downloads-list.open {
  max-height: 500px;
  padding: 1.5rem;
  overflow-y: auto;
  opacity: 1;
  margin-bottom: 30px;
}
.downloads-list.open::-webkit-scrollbar {
  width: 10px;
  background-color: transparent;
}
.downloads-list.open::-webkit-scrollbar-track {
  background-color: transparent;
}
.downloads-list.open::-webkit-scrollbar-thumb {
  background-color: #5b5f8d;
  border-radius: 10px;
  border: 2px solid transparent;
  background-clip: content-box;
}
.downloads-list.open::-webkit-scrollbar-thumb:hover {
  background-color: rgba(150, 156, 202, 0.9);
}
.download-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem;
  margin-bottom: 0.5rem;
  background: var(--bg-card);
  border-radius: 6px;
  transition: background 0.2s ease;
}
.download-item:hover {
  background: var(--bg-card-hover);
}
.download-item:last-child {
  margin-bottom: 0;
}
.download-name {
  color: var(--text-main);
  font-size: 0.85rem;
  flex: 1;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.download-name-text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}
.download-name-platform {
  font-weight: 600;
  white-space: nowrap;
}
.download-name-variant {
  font-size: 0.75rem;
  opacity: 0.7;
  white-space: nowrap;
}
.download-name .os-icon {
  width: 18px;
  height: 18px;
}
.download-name .os-icon svg path,
.download-name .os-icon svg polygon {
  fill: var(--accent-2);
}
.download-links {
  display: flex;
  gap: 0.5rem;
  margin-left: 1rem;
}
.download-link {
  color: var(--accent-2);
  text-decoration: none;
  font-size: 0.8rem;
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--accent-soft);
  border-radius: 4px;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.download-link:hover {
  background: var(--accent-soft-2);
  border-color: rgba(124, 76, 255, 0.45);
}
.download-link.sig {
  color: var(--text-muted);
  border-color: var(--border);
}
.download-link.sig:hover {
  color: var(--accent-2);
  background: var(--accent-soft-2);
  border-color: var(--accent-soft);
}
.social-icons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: auto;
  padding-top: 2.5rem;
}
.social-icons a {
  opacity: 0.7;
  transition: opacity 0.3s ease;
}
.social-icons a:hover {
  opacity: 1;
}
.social-icons img {
  width: 34px;
  height: 34px;
}
.footer-attribution {
  margin-top: 0.5rem;
  opacity: 1;
}
.footer-attribution .formless-logo {
  height: 24px;
  width: auto;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
  font-size: 0.8rem;
}
.footer-links a {
  color: var(--accent-2);
  text-decoration: none;
  opacity: 0.6;
  transition: opacity 0.3s ease;
}
.footer-links a:hover {
  opacity: 1;
}
.footer-links span {
  color: var(--accent-2);
  opacity: 0.3;
}
.main-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  justify-content: center;
  width: 100%;
}
@media (max-width: 480px) {
  h1 {
    font-size: 2rem;
  }
  .logo {
    width: 120px;
  }
}
@media (max-width: 768px) {
  .container {
    padding: 1rem;
    flex-direction: column;
  }
  .main-content {
    justify-content: flex-start;
    padding-top: 1rem;
  }
  .logo-container {
    margin-bottom: 2rem;
    max-width: 90vw;
  }
  .logo-icon {
    width: min(200px, 90vw);
    height: auto;
  }
  .logo-text {
    margin-top: 0.8rem;
    font-size: clamp(2rem, 10vw, 2.6rem);
  }
  h1 {
    font-size: 1.5rem;
    margin: 1.5rem 0 0.5rem;
  }
  p {
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
  }
  .download-btn {
    padding: 0.8rem 1.5rem;
    font-size: 0.9rem;
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
    justify-content: center;
    text-align: center;
  }
  .download-btn .os-icon {
    margin-right: 0.5rem;
  }
  .download-btn #downloadText {
    flex: 0 0 auto;
  }
  .platform-note {
    font-size: 0.75rem;
    margin-top: 0.5rem;
  }
  .all-downloads {
    width: 100%;
    max-width: 300px;
    margin: 0.5rem auto 0;
  }
  .downloads-list {
    max-width: 100%;
  }
  .download-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  .download-name {
    font-size: 0.85rem;
  }
  .download-links {
    width: 100%;
    justify-content: flex-start;
  }
  .download-link {
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
  }
  .social-icons {
    gap: 1rem;
    padding-top: 2rem;
  }
  .social-icons img {
    width: 28px;
    height: 28px;
  }
  .footer-attribution {
    margin-top: 1.5rem;
  }
  .footer-attribution .formless-logo {
    height: 20px;
  }
}