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

:root {
  --bg: #080808;
  --bg-2: #0f0f0f;
  --bg-3: #141414;
  --surface: rgba(255, 255, 255, 0.04);
  --border: rgba(255, 255, 255, 0.08);
  --border-hi: rgba(255, 255, 255, 0.16);
  --accent: #f5f5f7;
  --accent-dim: rgba(245, 245, 247, 0.6);
  --muted: rgba(255, 255, 255, 0.38);
  --radius: 12px;
  --radius-lg: 24px;
  --font: "Google Sans", -apple-system, sans-serif;
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--accent);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

code {
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 0.82em;
  background: rgba(255, 255, 255, 0.08);
  padding: 0.15em 0.4em;
  border-radius: 5px;
  color: rgba(245, 245, 247, 0.85);
}

.bg-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.18;
}

.orb-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #3a7bd5, transparent 70%);
  top: -200px;
  left: -150px;
  animation: drift 18s ease-in-out infinite alternate;
}

.orb-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #1a8a6f, transparent 70%);
  bottom: 10%;
  right: -100px;
  animation: drift 22s ease-in-out infinite alternate-reverse;
}

.orb-3 {
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, #5a2d8a, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation: drift 28s ease-in-out infinite alternate;
}

@keyframes drift {
  from {
    transform: translate(0, 0);
  }

  to {
    transform: translate(40px, 30px);
  }
}

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 24px;
  transition: background var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(8, 8, 8, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  opacity: 0.9;
  transition: opacity var(--transition);
}

.nav-logo:hover {
  opacity: 1;
}

.nav-icon {
  width: 26px;
  height: 26px;
  border-radius: 7px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  font-size: 0.85rem;
  color: var(--accent-dim);
  padding: 6px 12px;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}

.nav-links a:hover {
  color: var(--accent);
  background: var(--surface);
}

.nav-github {
  display: flex !important;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border) !important;
  color: var(--accent) !important;
  padding: 6px 14px !important;
}

.nav-github:hover {
  border-color: var(--border-hi) !important;
  background: var(--surface) !important;
}

/* Hamburger button */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  padding: 0;
  transition: border-color var(--transition), background var(--transition);
}

.nav-hamburger:hover {
  border-color: var(--border-hi);
  background: var(--surface);
}

.nav-hamburger span {
  display: block;
  width: 16px;
  height: 1.5px;
  background: var(--accent-dim);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition), width var(--transition);
}

.nav-hamburger.open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
  width: 0;
}

.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile menu */
.nav-mobile {
  display: none;
  flex-direction: column;
  padding: 8px 16px 16px;
  gap: 2px;
  border-top: 1px solid var(--border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 24px;
  margin-bottom: 24px;
}

.nav-mobile a {
  font-size: 0.9rem;
  color: var(--accent-dim);
  padding: 10px 12px;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}

.nav-mobile a:hover {
  color: var(--accent);
  background: var(--surface);
}

.nav-mobile.open {
  display: flex;
}

.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  gap: 56px;
}

.hero-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(3.5rem, 10vw, 7rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  background: linear-gradient(160deg, #ffffff 30%, rgba(255, 255, 255, 0.45) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 20px;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--accent-dim);
  font-weight: 400;
  line-height: 1.65;
  max-width: 480px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-image {
  width: 100%;
  max-width: 900px;
}

.screenshot-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.04),
    0 40px 100px rgba(0, 0, 0, 0.6),
    0 0 80px rgba(58, 123, 213, 0.08);
  position: relative;
}

.screenshot-frame::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.04) 0%, transparent 60%);
  pointer-events: none;
  z-index: 1;
}

.screenshot-frame img {
  width: 100%;
  display: block;
  height: auto;
}

.screenshot-link {
  display: block;
  position: relative;
}

.screenshot-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.screenshot-overlay span {
  color: #fff;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.9;
}

.screenshot-link:hover .screenshot-overlay {
  opacity: 1;
}

.screenshot-link:hover img {
  transform: scale(1.02);
  transition: transform 0.4s ease;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: 50px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-large {
  padding: 14px 32px;
  font-size: 1rem;
}

.btn-primary {
  background: var(--accent);
  color: #0a0a0a;
  border-color: var(--accent);
}

.btn-primary:hover {
  background: rgba(245, 245, 247, 0.88);
  box-shadow: 0 0 24px rgba(245, 245, 247, 0.15);
}

.btn-ghost {
  background: transparent;
  color: var(--accent-dim);
  border-color: var(--border);
}

.btn-ghost:hover {
  color: var(--accent);
  border-color: var(--border-hi);
  background: var(--surface);
}

.section {
  position: relative;
  z-index: 1;
  padding: 100px 24px;
}

.section-dark {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-install {
  background: radial-gradient(ellipse at 50% 0%, rgba(58, 123, 213, 0.06) 0%, transparent 70%);
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 16px;
  background: linear-gradient(140deg, #ffffff 40%, rgba(255, 255, 255, 0.55) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  font-size: 1rem;
  color: var(--accent-dim);
  max-width: 520px;
  margin-bottom: 48px;
  line-height: 1.7;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 16px;
  margin-top: 48px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color var(--transition), background var(--transition);
}

.feature-card:hover {
  border-color: var(--border-hi);
  background: rgba(255, 255, 255, 0.06);
}

.feature-icon {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.07);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--accent-dim);
}

.feature-card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.feature-card p {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.65;
}

.preview-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 48px;
}

.preview-row {
  display: flex;
  gap: 14px;
  align-items: stretch;
}

.preview-col {
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}

.preview-col .preview-item {
  flex: 1;
}

.preview-full {
  width: 100%;
}

.preview-sidebar {
  flex: 0 0 auto;
  width: 22%;
}

.preview-stretch {
  flex: 1;
}

.preview-half {
  flex: 1;
}

.preview-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.preview-item:hover {
  border-color: var(--border-hi);
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.preview-item img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.preview-caption {
  position: absolute;
  bottom: 10px;
  left: 12px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  padding: 3px 9px;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.customise-layout {
  display: flex;
  gap: 28px;
  align-items: flex-start;
}

.customise-code {
  flex: 1 1 0;
  min-width: 0;
}

.customise-sidebar {
  flex: 0 0 260px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.customise-block-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.accent-swatches {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.swatch {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgb(var(--c));
  border: 2px solid rgba(255, 255, 255, 0.1);
  cursor: pointer;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition),
    border-color var(--transition), outline var(--transition);
  outline: 2px solid transparent;
  outline-offset: 3px;
}

.swatch:hover {
  transform: scale(1.12);
  border-color: rgba(255, 255, 255, 0.28);
  box-shadow: 0 0 14px rgba(var(--c), 0.45);
}

.swatch.active {
  outline-color: rgba(255, 255, 255, 0.5);
}

.swatch::after {
  content: attr(data-label);
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.62rem;
  color: var(--muted);
  white-space: nowrap;
  font-weight: 500;
}

.radius-slider-wrap {
  position: relative;
  padding-bottom: 28px;
}

.radius-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
  position: relative;
  z-index: 1;
  transition: background var(--transition);
}

.radius-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid rgba(0, 0, 0, 0.4);
  cursor: pointer;
  box-shadow: 0 0 8px rgba(245, 245, 247, 0.3);
  transition: box-shadow var(--transition), transform var(--transition);
}

.radius-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid rgba(0, 0, 0, 0.4);
  cursor: pointer;
  box-shadow: 0 0 8px rgba(245, 245, 247, 0.3);
}

.radius-slider:hover::-webkit-slider-thumb {
  box-shadow: 0 0 14px rgba(245, 245, 247, 0.5);
  transform: scale(1.1);
}

.radius-slider::-webkit-slider-runnable-track {
  border-radius: 2px;
}

.radius-slider::-moz-range-track {
  height: 4px;
  border-radius: 2px;
  background: var(--border);
}

.radius-stops {
  position: absolute;
  bottom: 6px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  padding: 0 2px;
}

.radius-stops span {
  font-size: 0.6rem;
  color: var(--muted);
  cursor: pointer;
  transition: color var(--transition);
  position: relative;
}

.radius-stops span::before {
  content: '';
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 6px;
  background: var(--border);
}

.radius-stops span.active {
  color: var(--accent);
}

.radius-stops span.active::before {
  background: var(--accent);
}

.radius-preview-row {
  margin-top: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.prev-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(30, 30, 30, 0.8);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 4px;
  width: fit-content;
}

.prev-nav-pill {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 50px;
  color: var(--muted);
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-radius 0.2s var(--ease);
  white-space: nowrap;
}

.prev-nav-active {
  background: rgb(245, 245, 247);
  color: #121212;
}

.prev-listitem {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 0.8rem;
  color: rgb(245, 245, 247);
  transition: background 0.2s var(--ease), border-radius 0.2s var(--ease);
}

.prev-listitem-icon {
  width: 28px;
  height: 28px;
  border-radius: 50px;
  background: rgba(245, 245, 247, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgb(245, 245, 247);
  flex-shrink: 0;
  transition: background 0.2s var(--ease);
}

.prev-card {
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: border-radius 0.2s var(--ease);
  background: #1a1a2e;
}

.prev-card-img {
  position: relative;
  height: 90px;
  background: linear-gradient(135deg, #1a1a2e 0%, #2d2d44 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.prev-card-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.prev-play-btn {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(245, 245, 247, 0.15);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgb(245, 245, 247);
  transition: background 0.2s var(--ease), border-radius 0.2s var(--ease), color 0.2s var(--ease);
}

.prev-card-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
}

.prev-card-progress {
  width: 35%;
  height: 100%;
  background: rgb(245, 245, 247);
  transition: background 0.2s var(--ease);
}

.var-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

.var-table tr {
  border-bottom: 1px solid var(--border);
}

.var-table tr:last-child {
  border-bottom: none;
}

.var-table td {
  padding: 10px 4px;
  vertical-align: top;
}

.var-name {
  white-space: nowrap;
  padding-right: 14px !important;
}

.var-name code {
  font-size: 0.75rem;
  color: #b39ddb;
  background: rgba(179, 157, 219, 0.1);
}

.var-desc {
  color: var(--muted);
  line-height: 1.5;
}

.code-block {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 32px;
  max-width: 680px;
}

.install-code {
  max-width: 780px;
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.code-lang {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.copy-btn {
  font-family: var(--font);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-dim);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 10px;
  cursor: pointer;
  transition: all var(--transition);
}

.copy-btn:hover {
  color: var(--accent);
  border-color: var(--border-hi);
  background: var(--surface);
}

.copy-btn.copied {
  color: #4caf88;
  border-color: rgba(76, 175, 136, 0.3);
}

pre {
  padding: 20px 22px;
  overflow-x: auto;
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 0.83rem;
  line-height: 1.7;
  color: rgba(245, 245, 247, 0.75);
}

pre .c {
  color: rgba(255, 255, 255, 0.28);
}

pre .sel {
  color: #79b8ff;
}

pre .var {
  color: #b39ddb;
}

pre .val {
  color: #a5d6a7;
  transition: color 0.4s ease;
}

pre .prop {
  color: #79b8ff;
}

pre .str {
  color: #f48fb1;
}

/* Install section */
.install-download {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 32px;
}

.install-note {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.5;
}

.install-note a {
  color: var(--accent-dim);
  border-bottom: 1px solid var(--border);
  transition: color var(--transition), border-color var(--transition);
}

.install-note a:hover {
  color: var(--accent);
  border-color: var(--border-hi);
}

.install-details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0;
  margin-bottom: 40px;
  max-width: 680px;
  transition: border-color var(--transition);
}

.install-details[open] {
  border-color: var(--border-hi);
}

.install-details summary {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent-dim);
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color var(--transition);
}

.install-details summary::-webkit-details-marker {
  display: none;
}

.install-details summary::before {
  content: '';
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='rgba(245,245,247,0.6)' stroke-width='2'%3E%3Cpath d='M9 18l6-6-6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  transition: transform var(--transition);
}

.install-details[open] summary::before {
  transform: rotate(90deg);
}

.install-details summary:hover {
  color: var(--accent);
}

.install-details-body {
  padding: 0 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.install-details-body p {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.7;
}

.install-details-body a {
  color: var(--accent-dim);
  border-bottom: 1px solid var(--border);
  transition: color var(--transition);
}

.install-details-body a:hover {
  color: var(--accent);
}

.install-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 40px 0 24px;
  max-width: 680px;
}

.install-divider::before,
.install-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.install-divider span {
  font-size: 0.78rem;
  color: var(--muted);
  white-space: nowrap;
  font-weight: 500;
  letter-spacing: 0.05em;
}

.install-manual-desc {
  font-size: 1rem;
  color: var(--accent-dim);
  margin-bottom: 72px;
  line-height: 1.6;
  max-width: 680px;
}

.install-manual-desc strong {
  color: var(--accent);
}

.install-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.os-picker {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.os-card {
  flex: 1;
  min-width: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 20px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  font-family: var(--font);
  color: var(--accent-dim);
}

.os-card:hover {
  border-color: var(--border-hi);
  background: rgba(255, 255, 255, 0.06);
  color: var(--accent);
}

.os-card.active {
  border-color: rgba(245, 245, 247, 0.4);
  background: rgba(245, 245, 247, 0.07);
  color: var(--accent);
}

.os-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.os-name {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.os-ext {
  font-size: 0.72rem;
  font-family: "SF Mono", "Fira Code", monospace;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 7px;
  border-radius: 4px;
}

.os-card.active .os-ext {
  color: var(--accent-dim);
  background: rgba(245, 245, 247, 0.1);
}

.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 48px 24px 32px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.footer-left .nav-logo {
  margin-bottom: 10px;
}

.footer-left p {
  font-size: 0.82rem;
  color: var(--muted);
}

.footer-right {
  display: flex;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
}

.footer-right a {
  font-size: 0.82rem;
  color: var(--muted);
  transition: color var(--transition);
}

.footer-right a:hover {
  color: var(--accent);
}

.footer-bottom {
  max-width: 1100px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.footer-bottom p {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.22);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.38);
  transition: color var(--transition);
}

.footer-bottom a:hover {
  color: var(--accent-dim);
}

/* Scroll to top button */
.scroll-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 90;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(20, 20, 20, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  color: var(--accent-dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity var(--transition), transform var(--transition),
    border-color var(--transition), color var(--transition);
}

.scroll-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.scroll-top:hover {
  border-color: var(--border-hi);
  color: var(--accent);
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay {
  transition-delay: 0.12s;
}

.reveal-delay-2 {
  transition-delay: 0.24s;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .hero {
    padding: 100px 20px 60px;
  }

  .preview-row {
    flex-direction: column;
  }

  .preview-sidebar {
    width: 100%;
  }

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

  .customise-layout {
    flex-direction: column;
  }

  .customise-sidebar {
    flex: none;
    width: 100%;
  }

  .customise-code {
    width: 100%;
    min-width: 0;
  }

  .customise-code .code-block {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .customise-code pre {
    overflow-x: auto;
    max-width: 100%;
    font-size: 0.72rem;
  }

  .customise-code code {
    display: block;
    width: max-content;
    min-width: 100%;
  }

  .footer-inner {
    flex-direction: column;
    gap: 24px;
  }

  .install-details {
    max-width: 100%;
  }

  .install-manual-desc {
    max-width: 100%;
  }

  .scroll-top {
    bottom: 20px;
    right: 20px;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }

  .install-links {
    flex-direction: column;
  }

  .install-download {
    align-items: stretch;
  }

  .btn-large {
    text-align: center;
    justify-content: center;
  }
}

.video-frame {
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.video-frame iframe {
    width: 100%;
    height: 100%;
    display: block;
    border: 0;
    /* Hides YouTube controls bar bleed at edges */
    margin: -1px;
}

.section-video {
    padding: 0 24px 80px;
}

.video-embed {
    max-width: 900px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.04),
        0 40px 100px rgba(0, 0, 0, 0.6),
        0 0 80px rgba(58, 123, 213, 0.08);
    aspect-ratio: 16 / 9;
    position: relative;
}

.video-embed iframe {
    width: 100%;
    height: 100%;
    display: block;
}