body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
  background: #1e1e1e;
  color: #eee;
  line-height: 1.6;
  cursor: url('cursor.svg') 0 0, auto;
  scroll-behavior: smooth;
}

body * {
  cursor: inherit !important;
}

input, textarea {
  cursor: text !important;
}

html {
  scroll-padding-top: var(--header-height);
  scroll-behavior: smooth;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

a {
  color: #7fd0ff;
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #b5e4ff;
}

.marquee-container {
  top: 0;
  z-index: 1001;
  position: sticky;
  height: 2.5em;
  width: 100%;
  overflow: hidden;
  white-space: nowrap;
  box-sizing: border-box;
  padding: 5px 5px;
  background: rgb(30 30 30 / 90%);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
}

.marquee-track {
  display: inline-flex;
  display: flex;
  width: max-content;
  will-change: transform;
  animation: scroll-left 12s linear infinite;
}

.marquee-text {
  padding-right: 2rem;
}

@keyframes scroll-left {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

.site-header {
  position: sticky;
  top: 2.5em;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.5rem;
  background: rgba(15, 15, 15, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.logo-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  box-shadow: 0 0 12px rgba(0, 0, 0, 0.6);
}

.site-title {
  font-family: 'Archivo Black', system-ui, sans-serif;
  font-size: 1.4rem;
  margin: 0;
}

.site-tagline {
  margin: 0;
  font-size: 0.85rem;
  opacity: 0.8;
}

.main-nav {
  display: flex;
  gap: 1rem;
  font-size: 0.95rem;
}

.main-nav a {
  position: relative;
  padding-bottom: 0.15rem;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #7fd0ff, #ff9af3);
  transition: width 0.2s ease;
}

.main-nav a:hover::after {
  width: 100%;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.4fr);
  gap: 2.5rem;
  padding: 3rem 1.5rem 2.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-content {
  animation: fadeInUp 0.7s ease-out both;
}

.hero-title {
  font-family: 'Archivo Black', system-ui, sans-serif;
  font-size: 2.2rem;
  margin-bottom: 0.75rem;
}

.hero-subtitle {
  font-size: 1rem;
  max-width: 34rem;
  opacity: 0.9;
}

.hero-actions {
  margin-top: 1.5rem;
}

.download-main-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 0.15rem;
  padding: 0.9rem 1.4rem;
  border-radius: 999px;
  border: none;
  background: linear-gradient(135deg, #7fd0ff, #ff9af3);
  color: #111;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  transform-origin: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}

.download-main-btn:hover {
  transform: translateY(-1px) scale(1.02);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.6);
  filter: brightness(1.05);
}

.download-main-label {
  font-size: 1rem;
}

.download-main-sub {
  font-size: 0.8rem;
  opacity: 0.9;
}

.download-panel {
  margin-top: 0.9rem;
  padding: 0.75rem;
  border-radius: 14px;
  background: rgba(20, 20, 20, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.7);
  max-width: 420px;
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.download-panel.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.download-option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.55rem 0.6rem;
  border-radius: 10px;
  background: transparent;
  transition: background 0.15s ease, transform 0.15s ease;
}

.download-option img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.download-option:hover {
  background: rgba(255, 255, 255, 0.04);
  transform: translateY(-1px);
}

.download-os {
  display: block;
  font-weight: 600;
  font-size: 0.95rem;
}

.download-desc {
  display: block;
  font-size: 0.8rem;
  opacity: 0.8;
}

.hero-note {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  opacity: 0.9;
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-card {
  width: 100%;
  max-width: 320px;
  padding: 1.4rem 1.3rem;
  border-radius: 18px;
  background: radial-gradient(circle at top left, #2b2b2b, #151515);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.7);
  animation: floatCard 5s ease-in-out infinite;
}

.hero-card h3 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1.05rem;
  font-family: 'Archivo Black', system-ui, sans-serif;
}

.hero-card ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.hero-card li {
  position: relative;
  padding-left: 1.1rem;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
}

.hero-card li::before {
  content: "•";
  position: absolute;
  left: 0;
  top: 0;
  color: #7fd0ff;
}

.terminal-block {
  position: relative;
  background: #1e1e1e;
  margin-top: 0.75em;
  margin-bottom: 0.75em;
  padding: 16px;
  border-radius: 8px;
  color: #4e9a06;
  font-family: Consolas, monospace;
}

.copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 104px;
  height: 36px;
  padding: 0;
  border: 1px solid rgba(78, 154, 6, 0.55);
  border-radius: 6px;
  background: #262626;
  color: #b7ff9a;
  cursor: pointer;
  overflow: hidden;
  display: grid;
  place-items: center;
  transition: all 0.2s ease;
}

.copy-btn:hover {
  border-color: rgba(78, 154, 6, 1);
  background: #2d2d2d;
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(78, 154, 6, 0.3);
}

.copy-btn .copy-layer {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.copy-layer-out {
  transform: translateY(0);
  opacity: 1;
}

.copy-layer-in {
  transform: translateY(100%);
  opacity: 0;
}

.copy-btn.success .copy-layer-out {
  transform: translateY(-100%);
  opacity: 0;
}

.copy-btn.success .copy-layer-in {
  transform: translateY(0);
  opacity: 1;
}

.copy-btn .copy-layer i {
  width: 16px;
  height: 16px;
}
pre {
  margin: 0;
  white-space: pre;
}

.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 5000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.popup-box {
  background: #111;
  padding: 20px 30px;
  border-radius: 8px;
  max-width: 400px;
  text-align: center;
  border: 1px solid rgba(255,255,255,0.1);
  transform: scale(0.9);
  transition: transform 0.25s ease;
}

.popup-buttons {
  margin-top: 20px;
  display: flex;
  justify-content: space-between;
}

.confirm-btn {
  background: #4caf50;
  padding: 8px 14px;
  border-radius: 5px;
  color: white;
  text-decoration: none;
}

#cancelDownload {
  background: #444;
  padding: 8px 14px;
  border-radius: 5px;
  color: white;
  border: none;
  cursor: pointer;
}

/* When visible */
.popup-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

.popup-overlay.show .popup-box {
  transform: scale(1);
}

/* Sections */
.section {
  padding: 2.5rem 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

.section-title {
  font-family: 'Archivo Black', system-ui, sans-serif;
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

.section-intro {
  max-width: 40rem;
  font-size: 0.95rem;
  opacity: 0.9;
}

/* Tabs */
.tabs {
  margin-top: 1.5rem;
  border-radius: 16px;
  background: rgba(20, 20, 20, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.7);
  overflow: hidden;
}

.tab-list {
  display: flex;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(15, 15, 15, 0.95);
}

.tab-button {
  flex: 1;
  padding: 0.7rem 0.5rem;
  border: none;
  background: transparent;
  color: #ccc;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.tab-button img {
  width: 18px;
  height: 18px;
  object-fit: contain;
}

.tab-button.active {
  background: linear-gradient(135deg, rgba(127, 208, 255, 0.15), rgba(255, 154, 243, 0.15));
  color: #fff;
}

.tab-button:hover:not(.active) {
  background: rgba(255, 255, 255, 0.03);
}

.tab-panels {
  padding: 1.3rem 1.4rem 1.4rem;
}

.tab-panel {
  display: none;
  animation: fadeInUp 0.3s ease-out;
}

.tab-panel.active {
  display: block;
}

.steps-list {
  margin: 0.5rem 0 0;
  padding-left: 1.2rem;
  font-size: 0.9rem;
}

.steps-list li {
  margin-bottom: 0.7rem;
}

.steps-list code {
  display: inline-block;
  margin-top: 0.2rem;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
  font-family: "Consolas", "Courier New", monospace;
  font-size: 0.8rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.4rem;
  margin-top: 1.5rem;
}

.feature-card {
  padding: 1.1rem 1.1rem;
  border-radius: 14px;
  background: rgba(20, 20, 20, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6);
  font-size: 0.9rem;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.feature-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.feature-card h3 {
  margin-top: 0;
  margin-bottom: 0.4rem;
  font-size: 1rem;
  font-family: 'Archivo Black', system-ui, sans-serif;
}

.faq-list {
  margin-top: 1.2rem;
}

.faq-item {
  margin-bottom: 0.7rem;
  border-radius: 10px;
  background: rgba(20, 20, 20, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 0.6rem 0.8rem;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
}

.faq-item[open] {
  border-color: rgba(127, 208, 255, 0.7);
  background: rgba(25, 25, 25, 0.98);
}

.faq-item p {
  margin-top: 0.4rem;
  font-size: 0.85rem;
}

.site-footer {
  padding: 0.5rem;
  text-align: center;
  font-size: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: #151515;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes floatCard {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
  100% {
    transform: translateY(0);
  }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
  }

  .site-header {
    justify-content: center;
  }
}

@media (max-width: 650px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 2rem 1.1rem;
  }

  .hero {
    padding: 2.2rem 1.1rem 2rem;
  }

  .hero-title {
    font-size: 1.8rem;
  }
}


.main-nav {
  position: relative;
}

.main-nav .menu {
  display: flex;
  gap: 1rem;
}

.menu-icon {
  display: none;
  font-size: 2rem;
  cursor: pointer;
  user-select: none;
}

#menu-toggle {
  display: none;
}

@media (max-width: 600px) {
  .main-nav .menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 3rem;
    right: 0;
    background: #171717;
    padding: 1rem;
    border: 1px solid #1e1e1e;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  }
  
  #menu-toggle:checked + .menu-icon + .menu {
    display: flex;
  }

  .menu-icon {
    display: block;
  }
}

.menu-icon {
  width: 28px;
  height: 22px;
  display: none;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  z-index: 2000;
}

.menu-icon span {
  display: block;
  height: 3px;
  background: #fff;
  border-radius: 3px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

#menu-toggle:checked + .menu-icon span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

#menu-toggle:checked + .menu-icon span:nth-child(2) {
  opacity: 0;
}

#menu-toggle:checked + .menu-icon span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

@media (max-width: 600px) {

  .main-nav .menu {
    position: absolute;
    top: 3rem;
    right: 0;
    background: #111;
    padding: 0.8rem 1rem;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 4px 10px rgba(0,0,0,0.4);
    flex-direction: column;
    gap: 0.8rem;
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
  }

  #menu-toggle:checked + .menu-icon + .menu {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .menu-icon {
    display: flex;
  }
}

    .compatibility-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0;
      padding: 0;
      border: 2px solid #e5e7eb;
      border-radius: 12px;
      background: white;
      font-weight: 600;
      font-size: 16px;
      cursor: pointer;
      transition: all 1s ease;
      box-shadow: 0 2px 8px rgba(0,0,0,0.1);
      user-select: none;
	  width: 3.5rem;
	  height: 3.5rem;
	  border: 0.15rem solid #e5e7eb;
	  border-radius: 0.9rem;
	  top: 1.25rem;
	  right: 1.25rem;
	  box-shadow: 0 0.25rem 1.25rem rgba(0,0,0,0.15);
    }

    .compatibility-btn:hover {
      box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    }

	.compatibility-btn:hover .icon {
	  transform: rotate(360deg) scale(1.1);
	  transition: transform 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
	}

    .compatibility-btn.compatible {
      border-color: #151515;
      background: #1e1e1e;
      color: #7ebfed;
    }

    .compatibility-btn.incompatible {
      border-color: #ef4444;
      background: #fef2f2;
      color: #991b1b;
    }

    .icon {
      width: 1.5rem;
      height: 1.5rem;
      stroke-width: 0.15rem;
      stroke: currentColor;
      fill: none;
      transition: transform 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    }
    
    .status-text {
      font-weight: 600;
    }