:root {
  --bg: #0a0a12;
  --bg-alt: #0e0e1a;
  --card: #14141f;
  --card-border: #24243a;
  --text: #f2f2f7;
  --text-dim: #a3a3b8;
  --purple: #7c5cfc;
  --blue: #4e7fef;
  --grad: linear-gradient(120deg, var(--purple), var(--blue));
  --radius: 14px;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

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

code, pre {
  font-family: "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

img { max-width: 100%; display: block; }

/* ---------- neural background canvas ---------- */
#neural-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

/* ---------- background blobs ---------- */
.bg-blobs {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.35;
}
.blob-1 {
  width: 480px; height: 480px;
  background: var(--purple);
  top: -120px; left: -100px;
  animation: drift1 22s ease-in-out infinite alternate;
}
.blob-2 {
  width: 420px; height: 420px;
  background: var(--blue);
  top: 20%; right: -140px;
  animation: drift2 26s ease-in-out infinite alternate;
}
.blob-3 {
  width: 380px; height: 380px;
  background: #a97cfc;
  bottom: -160px; left: 30%;
  animation: drift3 30s ease-in-out infinite alternate;
}
@keyframes drift1 { to { transform: translate(60px, 80px) scale(1.1); } }
@keyframes drift2 { to { transform: translate(-70px, 40px) scale(0.95); } }
@keyframes drift3 { to { transform: translate(40px, -60px) scale(1.05); } }

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(10, 10, 18, 0.7);
  border-bottom: 1px solid var(--card-border);
}
.nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand { flex-shrink: 0; display: flex; align-items: center; }
.brand-logo { height: 28px; width: auto; max-width: none; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-right: auto;
  margin-left: 12px;
}
.nav-links a {
  font-size: 0.92rem;
  color: var(--text-dim);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }
.nav-cta { display: flex; gap: 10px; align-items: center; }
.nav-lang {
  display: flex;
  gap: 4px;
  padding-left: 14px;
  margin-left: 4px;
  border-left: 1px solid var(--card-border);
}
.nav-lang a {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-dim);
  padding: 3px 6px;
  border-radius: 6px;
}
.nav-lang a:hover { color: var(--text); background: var(--card); }
.nav-lang a[aria-current="page"] { color: var(--text); background: var(--card); }

/* ---------- mobile nav toggle ---------- */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 4px 18px rgba(124, 92, 252, 0.35);
}
.btn-primary:hover { box-shadow: 0 6px 24px rgba(124, 92, 252, 0.5); }
.btn-ghost {
  background: var(--card);
  border-color: var(--card-border);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--purple); }
.btn-outline {
  background: transparent;
  border-color: var(--card-border);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--blue); }
.btn-lg { padding: 13px 22px; font-size: 0.95rem; }

/* ---------- layout helpers ---------- */
main { position: relative; z-index: 1; }
.section { padding: 96px 24px; }
.section-alt { background: var(--bg-alt); }
.section-inner { max-width: 1180px; margin: 0 auto; }
.section h2 {
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  line-height: 1.3;
  margin: 0 0 16px;
}
.section-lede {
  color: var(--text-dim);
  font-size: 1.05rem;
  max-width: 700px;
  margin: 0 0 40px;
}
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- hero ---------- */
.hero {
  padding: 140px 24px 100px;
  position: relative;
  z-index: 1;
}
.hero-inner {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}
.hero-logo { height: 64px; margin: 0 auto 28px; }
.hero h1 {
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 1.15;
  margin: 0 0 20px;
  font-weight: 800;
}
.hero-sub {
  color: var(--text-dim);
  font-size: 1.15rem;
  max-width: 620px;
  margin: 0 auto 36px;
  line-height: 1.6;
}
.hero-cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}
#copy-install { position: relative; }
#copy-install code { background: none; color: #fff; font-weight: 600; }
.copy-hint {
  font-size: 0.72rem;
  opacity: 0.75;
  border-left: 1px solid rgba(255, 255, 255, 0.3);
  padding-left: 8px;
  margin-left: 4px;
}

.hero-code { max-width: 640px; width: 100%; margin: 0 auto; }
.code-window {
  width: 100%;
  box-sizing: border-box;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: left;
  overflow: hidden;
  overflow-x: auto;
}
.code-dots {
  display: flex;
  gap: 6px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--card-border);
}
.code-dots span {
  width: 10px; height: 10px; border-radius: 50%;
  background: #3a3a4d;
}
.code-dots span:nth-child(1) { background: #ff5f57; }
.code-dots span:nth-child(2) { background: #febc2e; }
.code-dots span:nth-child(3) { background: #28c840; }
.code-window pre {
  margin: 0;
  padding: 20px;
  font-size: 0.86rem;
  line-height: 1.6;
  color: #d7d7ea;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.hero-code pre {
  /* reserves height for the tallest typewriter snippet (4 lines) so cycling
     between snippets doesn't reflow the page */
  min-height: calc(1.6em * 4);
}
#typewriter { color: #d7d7ea; }
.caret {
  display: inline-block;
  width: 8px;
  background: var(--purple);
  animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ---------- grids / cards ---------- */
.grid { display: grid; gap: 20px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.card:hover {
  transform: translateY(-4px);
  border-color: var(--purple);
  box-shadow: var(--shadow);
}
.card-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--grad);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  margin-bottom: 16px;
  color: #fff;
}
.card h3 { margin: 0 0 10px; font-size: 1.05rem; }
.card p { margin: 0; color: var(--text-dim); font-size: 0.92rem; line-height: 1.6; }
.card code {
  background: rgba(124, 92, 252, 0.15);
  padding: 1px 6px;
  border-radius: 5px;
  font-size: 0.85em;
}

/* ---------- features grid ---------- */
.feature-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.feature-card:hover { transform: translateY(-3px); border-color: var(--blue); }
.feature-card h4 { margin: 0; font-size: 0.95rem; }
.feature-card p { margin: 0; color: var(--text-dim); font-size: 0.82rem; line-height: 1.5; }
.badge {
  align-self: flex-start;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 999px;
}
.badge-alpha { background: rgba(124, 92, 252, 0.18); color: #a58cff; }
.badge-beta { background: rgba(254, 188, 46, 0.15); color: #febc2e; }

/* collapsed features grid: show first 8 cards, toggle reveals the rest */
.features-collapsed .feature-card:nth-child(n + 9) { display: none; }
.features-toggle-wrap { text-align: center; margin-top: 28px; }

/* ---------- compliance ---------- */
.compliance-layout {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}
.compliance-layout p { color: var(--text-dim); line-height: 1.7; }
.compliance-list {
  list-style: none;
  padding: 0;
  margin: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.compliance-list li {
  padding: 12px 16px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  font-size: 0.92rem;
}
.disclaimer {
  font-size: 0.85rem;
  border-left: 2px solid var(--purple);
  padding-left: 14px;
  color: var(--text-dim);
}

/* ---------- roadmap / dashboard mock ---------- */
.roadmap-layout {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 40px;
  align-items: start;
}
.dashboard-mock {
  position: relative;
  display: grid;
  grid-template-columns: 150px 1fr;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  user-select: none;
}
.mock-ribbon {
  position: absolute;
  top: 16px;
  right: -34px;
  transform: rotate(40deg);
  background: var(--grad);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 4px 40px;
  z-index: 2;
}
.mock-sidebar {
  background: var(--bg-alt);
  border-right: 1px solid var(--card-border);
  padding: 18px 14px;
}
.mock-brand {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-dim);
  line-height: 1.3;
  margin-bottom: 18px;
}
.mock-nav-item {
  font-size: 0.78rem;
  color: var(--text-dim);
  padding: 8px 10px;
  border-radius: 7px;
  margin-bottom: 4px;
}
.mock-nav-item.active {
  background: rgba(124, 92, 252, 0.15);
  color: var(--text);
  font-weight: 600;
}
.mock-nav-item.mock-soon {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #6b6b80;
  border: 1px dashed var(--card-border);
}
.mock-soon-tag {
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  background: var(--grad);
  color: #fff;
  padding: 2px 6px;
  border-radius: 999px;
}
.mock-main { padding: 20px; }
.mock-tiles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}
.mock-tile {
  background: var(--bg-alt);
  border: 1px solid var(--card-border);
  border-radius: 9px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.mock-tile span { font-size: 0.62rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.03em; }
.mock-tile strong { font-size: 1.05rem; }
.mock-charts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.mock-chart-card {
  background: var(--bg-alt);
  border: 1px solid var(--card-border);
  border-radius: 9px;
  padding: 12px;
}
.mock-chart-title { font-size: 0.66rem; color: var(--text-dim); display: block; margin-bottom: 8px; }
.mock-line-chart svg { width: 100%; height: 50px; }
.mock-bars { display: flex; flex-direction: column; gap: 6px; }
.mock-bar-row { display: flex; align-items: center; gap: 8px; font-size: 0.68rem; color: var(--text-dim); }
.mock-bar-row span { width: 46px; flex-shrink: 0; }
.mock-bar-row i {
  display: block;
  height: 7px;
  border-radius: 999px;
  background: var(--grad);
}
.roadmap-list ul { list-style: none; padding: 0; margin: 16px 0 20px; display: flex; flex-direction: column; gap: 12px; }
.roadmap-list li {
  padding: 12px 16px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.55;
}
.roadmap-list li strong { color: var(--text); }

/* ---------- case study ---------- */
.case-study-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}

/* grid children must be allowed to shrink below their <pre> content width,
   otherwise wide code snippets overflow the viewport on mobile (Safari) */
.compliance-layout > *,
.case-study-grid > *,
.roadmap-layout > * {
  min-width: 0;
}
.case-label { font-size: 0.85rem; color: var(--text-dim); margin: 0 0 10px; font-weight: 600; }
.case-subhead {
  font-size: 1.2rem;
  margin: 48px 0 12px;
  padding-top: 40px;
  border-top: 1px solid var(--card-border);
}
.case-subhead:first-of-type { margin-top: 24px; padding-top: 0; border-top: none; }
.case-result {
  margin-top: 32px;
  color: var(--text-dim);
  font-size: 0.98rem;
  border-left: 2px solid var(--blue);
  padding-left: 16px;
}
.code-card .code-window { height: 100%; }

/* ---------- tabs ---------- */
.tab-bar {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.tab-btn {
  background: var(--card);
  border: 1px solid var(--card-border);
  color: var(--text-dim);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active {
  background: var(--grad);
  color: #fff;
  border-color: transparent;
}
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn 0.35s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ---------- footer ---------- */
.footer {
  border-top: 1px solid var(--card-border);
  padding: 56px 24px 40px;
  position: relative;
  z-index: 1;
}
.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  text-align: center;
}
.footer-logo { height: 30px; margin: 0 auto 26px; }
.footer-links {
  display: flex;
  justify-content: center;
  gap: 26px;
  flex-wrap: wrap;
  margin-bottom: 22px;
}
.footer-links a {
  color: var(--text-dim);
  font-size: 0.9rem;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--text); }
.footer-meta { color: #6b6b80; font-size: 0.82rem; margin: 0; }
.footer-meta a { text-decoration: underline; transition: color 0.2s; }
.footer-meta a:hover { color: var(--text-dim); }

/* ---------- reveal-on-scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.in-view { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    margin: 0;
    padding: 10px 24px 18px;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--card-border);
    box-shadow: var(--shadow);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px 0; width: 100%; }
  .nav-lang {
    margin: 8px 0 0;
    padding: 12px 0 0;
    border-left: none;
    border-top: 1px solid var(--card-border);
    width: 100%;
  }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .compliance-layout, .case-study-grid, .roadmap-layout { grid-template-columns: 1fr; }
  .mock-tiles { grid-template-columns: repeat(2, 1fr); }
  .mock-charts { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero { padding: 110px 20px 70px; }
  .section { padding: 64px 20px; }
  .dashboard-mock { grid-template-columns: 1fr; }
  .mock-sidebar { display: flex; gap: 8px; overflow-x: auto; border-right: none; border-bottom: 1px solid var(--card-border); }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .blob { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .caret { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- blog ---------- */
.section h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.25;
  margin: 0 0 16px;
}
.blog-post-body {
  color: var(--text-dim);
  font-size: 1.02rem;
  line-height: 1.75;
}
.blog-post-body h2 {
  color: var(--text);
  font-size: 1.4rem;
  margin: 40px 0 14px;
}
.blog-post-body p { margin: 0 0 18px; }
.blog-post-body a { color: var(--purple); text-decoration: underline; }
.blog-post-body ul, .blog-post-body ol { margin: 0 0 18px; padding-left: 22px; }
.blog-post-body li { margin: 0 0 8px; }
.blog-post-body code {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 0.9em;
  color: var(--text);
}
.blog-post-body pre {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 18px 20px;
  overflow-x: auto;
  margin: 0 0 18px;
}
.blog-post-body pre code { background: none; border: none; padding: 0; }