:root {
  color-scheme: dark;
  --bg: #000000;
  --surface: #0a0a0b;
  --surface-2: #111113;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #ededef;
  --text-secondary: #a0a0a8;
  --text-muted: #6e6e76;
  --accent: #4d9aff;
  --accent-strong: #266ec8;
  --radius: 12px;
  --radius-lg: 16px;
  --max-width: 1120px;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}

main {
  flex: 1;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: #7ab5ff;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 0.1em 0.38em;
  border-radius: 5px;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.82);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.brand:hover {
  color: var(--text);
}

.brand img {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 11px 20px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.94rem;
  line-height: 1.2;
  border: 1px solid transparent;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}

.btn svg {
  flex-shrink: 0;
}

.btn-sm {
  padding: 7px 14px;
  font-size: 0.86rem;
  border-radius: 8px;
}

.nav-links .btn-primary,
.btn-primary {
  background: var(--text);
  color: #000000;
}

.nav-links .btn-primary:hover,
.btn-primary:hover {
  background: #ffffff;
  color: #000000;
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}

.btn-secondary:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.26);
}

/* Hero */
.hero {
  padding: 96px 0 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.75rem);
  line-height: 1.06;
  letter-spacing: -0.035em;
  font-weight: 700;
  margin-bottom: 22px;
}

.hero h1 span {
  color: var(--text-muted);
}

.hero-lead {
  font-size: 1.12rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

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

.hero-visual svg {
  display: block;
  width: 100%;
  height: auto;
}

/* Specs strip */
.specs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 80px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* Label comes first in the markup (dt before dd); show the value on top */
.spec {
  display: flex;
  flex-direction: column-reverse;
  justify-content: flex-end;
  padding: 28px 24px;
}

.spec + .spec {
  border-left: 1px solid var(--border);
}

.spec-value {
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.spec-label {
  margin-top: 4px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

/* Sections */
.section {
  padding: 104px 0;
}

.section + .section {
  border-top: 1px solid var(--border);
}

.section-header {
  max-width: 640px;
  margin-bottom: 56px;
}

.eyebrow {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3.2vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  font-weight: 700;
  margin-bottom: 16px;
}

.section-header p {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

/* Feature grid: 1px gaps over a border-coloured background give hairline dividers */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.feature {
  background: var(--bg);
  padding: 32px;
}

.feature-icon {
  display: inline-flex;
  color: var(--accent);
  margin-bottom: 18px;
}

.feature h3,
.step h3,
.connection h3 {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}

.feature p,
.step p,
.connection p {
  font-size: 0.94rem;
  color: var(--text-secondary);
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  list-style: none;
  counter-reset: step;
}

.step {
  counter-increment: step;
  padding-top: 24px;
  border-top: 1px solid var(--border-strong);
}

.step::before {
  content: counter(step, decimal-leading-zero);
  display: block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.connections {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 64px;
}

.connection {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.connection-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.connection-tag {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* Download */
.downloads {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.download-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
}

.download-card .platform {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.download-card .platform svg {
  color: var(--text-secondary);
}

.download-card > p {
  color: var(--text-secondary);
  font-size: 0.94rem;
  margin-bottom: 20px;
}

.requirements {
  list-style: none;
  margin-bottom: 28px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.requirements li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.requirements li:first-child {
  border-top: 1px solid var(--border);
}

.requirements li span:first-child {
  color: var(--text-muted);
}

.requirements li span:last-child {
  text-align: right;
}

.download-card .btn {
  margin-top: auto;
  align-self: flex-start;
}

/* FAQ */
.faq-layout {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  align-items: start;
}

.faq-layout .section-header {
  margin-bottom: 0;
}

.faq-list {
  border-top: 1px solid var(--border);
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 0;
  font-weight: 500;
  font-size: 1rem;
  cursor: pointer;
  list-style: none;
}

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

.faq-item summary::after {
  content: "";
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  margin-right: 4px;
  border-right: 1.5px solid var(--text-muted);
  border-bottom: 1.5px solid var(--text-muted);
  transform: translateY(-2px) rotate(45deg);
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  transform: translateY(2px) rotate(-135deg);
}

.faq-item summary:hover {
  color: #ffffff;
}

.faq-body {
  padding: 0 32px 24px 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.faq-body p + p {
  margin-top: 10px;
}

/* Legal pages */
.legal-hero {
  padding: 72px 0 40px;
  border-bottom: 1px solid var(--border);
}

.legal-hero h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  letter-spacing: -0.03em;
  font-weight: 700;
  margin-bottom: 8px;
}

.legal-meta {
  color: var(--text-muted);
  font-size: 0.92rem;
}

.legal-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 64px;
  padding-top: 48px;
  padding-bottom: 96px;
  align-items: start;
}

.legal-toc {
  position: sticky;
  top: 96px;
}

.legal-toc h2 {
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.legal-toc ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
  border-left: 1px solid var(--border);
}

.legal-toc a {
  display: block;
  padding-left: 14px;
  color: var(--text-secondary);
  font-size: 0.87rem;
  line-height: 1.35;
}

.legal-toc a:hover {
  color: var(--text);
}

.legal-content {
  max-width: 720px;
}

.summary-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 48px;
}

.summary-box h2 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.summary-box ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px 28px;
}

.summary-box strong {
  display: block;
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.summary-box span {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.legal-section {
  margin-bottom: 44px;
}

.legal-section h2 {
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin-bottom: 14px;
}

.legal-section h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 24px 0 10px;
}

.legal-section p,
.legal-section li {
  color: var(--text-secondary);
  font-size: 0.96rem;
}

.legal-section p {
  margin-bottom: 14px;
}

.legal-section ul {
  padding-left: 20px;
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.legal-section strong {
  color: var(--text);
  font-weight: 600;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

th,
td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
  vertical-align: top;
}

th {
  background: var(--surface);
  font-weight: 600;
  font-size: 0.84rem;
  color: var(--text);
}

td {
  color: var(--text-secondary);
}

tr:last-child td {
  border-bottom: none;
}

/* 404 */
.not-found {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px;
  text-align: center;
}

.not-found h1 {
  font-size: 2.4rem;
  letter-spacing: -0.03em;
  font-weight: 700;
  margin-bottom: 12px;
}

.not-found p {
  color: var(--text-secondary);
  margin-bottom: 28px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 48px 0 40px;
  font-size: 0.87rem;
  color: var(--text-muted);
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  margin-bottom: 32px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  list-style: none;
}

.footer-links a {
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--text);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
}

.footer-bottom .legal-note {
  max-width: 560px;
}

/* Responsive */
@media (max-width: 960px) {
  .hero {
    padding-top: 64px;
  }
  .hero-grid,
  .faq-layout {
    grid-template-columns: 1fr;
  }
  .faq-layout {
    gap: 40px;
  }
  .hero-visual {
    max-width: 560px;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .specs {
    grid-template-columns: repeat(2, 1fr);
  }
  .spec:nth-child(3) {
    border-left: none;
  }
  .spec:nth-child(n + 3) {
    border-top: 1px solid var(--border);
  }
  .legal-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .legal-toc {
    position: static;
  }
}

@media (max-width: 680px) {
  .container {
    padding: 0 16px;
  }
  .nav-links {
    gap: 16px;
  }
  .nav-links .hide-mobile {
    display: none;
  }
  .hero {
    padding: 48px 0 56px;
  }
  .specs {
    margin-top: 56px;
  }
  .spec {
    padding: 22px 16px;
  }
  .section {
    padding: 72px 0;
  }
  .section-header {
    margin-bottom: 40px;
  }
  .features-grid,
  .steps,
  .connections,
  .downloads,
  .summary-box ul {
    grid-template-columns: 1fr;
  }
  .steps {
    gap: 32px;
  }
  .feature,
  .download-card {
    padding: 26px;
  }
  .faq-body {
    padding-right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

@media print {
  .site-header,
  .legal-toc,
  .site-footer {
    display: none;
  }
  .legal-layout {
    grid-template-columns: 1fr;
  }
  body,
  .legal-section p,
  .legal-section li,
  .legal-meta {
    color: #111111;
    background: #ffffff;
  }
}