:root {
  --bg: #0b1020;
  --panel: #111827;
  --panel-2: #172033;
  --line: #273449;
  --text: #f8fafc;
  --muted: #a8b3c7;
  --brand: #ff6b2c;
  --brand-2: #19c5b8;
  --brand-3: #4f7cff;
  --paper: #f6f8fb;
  --ink: #111827;
  --soft: #e7edf5;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
  --radius: 8px;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(120deg, rgba(255, 107, 44, 0.14), transparent 35%), linear-gradient(260deg, rgba(25, 197, 184, 0.12), transparent 35%);
}
img { max-width: 100%; }
a { color: inherit; text-decoration: none; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 14px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(11, 16, 32, 0.88);
  backdrop-filter: blur(16px);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0;
}
.brand img {
  width: 38px;
  height: 38px;
  border-radius: 8px;
}
.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 600;
}
.nav a:hover { color: var(--text); }
.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: clamp(56px, 8vw, 108px) clamp(18px, 5vw, 72px) clamp(48px, 7vw, 88px);
}
.hero-copy { max-width: 760px; }
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}
.badges span {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  padding: 7px 12px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.045);
  font-size: 0.84rem;
  font-weight: 700;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 860px;
  margin-bottom: 22px;
  font-size: clamp(2.8rem, 7vw, 6.4rem);
  line-height: 0.94;
  letter-spacing: 0;
}
.hero-copy p {
  max-width: 680px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.34rem);
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border-radius: var(--radius);
  font-weight: 800;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}
.button:hover { transform: translateY(-2px); }
.button.primary { color: #111827; background: var(--brand); }
.button.marketplace {
  width: fit-content;
  margin: 4px 0 14px;
  color: #ffffff;
  background: #007acc;
}
.button.openvsx {
  width: fit-content;
  color: #ffffff;
  background: #c160ef;
}
.install-steps .button.openvsx {
  margin: 0 0 14px;
}
.button.secondary {
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.06);
}
.extension-preview {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  overflow: hidden;
  background: #0e1628;
  box-shadow: var(--shadow);
}
.preview-topbar, .preview-toolbar, .preview-input {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
}
.preview-topbar strong { font-size: 0.98rem; }
.preview-topbar small {
  margin-left: auto;
  color: var(--brand-2);
  font-weight: 700;
}
.traffic { display: flex; gap: 6px; }
.traffic span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--brand);
}
.traffic span:nth-child(2) { background: #eab308; }
.traffic span:nth-child(3) { background: var(--brand-2); }
.preview-toolbar { background: rgba(255, 255, 255, 0.03); }
.preview-toolbar button {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 7px 10px;
  color: var(--text);
  background: var(--panel-2);
  font: inherit;
  font-size: 0.8rem;
  font-weight: 700;
}
.chat-feed {
  display: grid;
  gap: 14px;
  padding: 18px;
}
.message {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 13px 14px;
  background: rgba(255, 255, 255, 0.035);
}
.message span {
  display: block;
  margin-bottom: 5px;
  color: var(--brand-2);
  font-size: 0.78rem;
  font-weight: 800;
}
.message p {
  margin-bottom: 0;
  color: #dbe5f4;
  font-size: 0.93rem;
}
.user-message { margin-left: 34px; }
.agent-message {
  margin-right: 28px;
  border-color: rgba(255, 107, 44, 0.36);
}
.system-message { border-color: rgba(25, 197, 184, 0.32); }
.preview-input {
  border-top: 1px solid var(--line);
  border-bottom: 0;
  color: var(--muted);
  background: #0b1221;
  font-size: 0.92rem;
}
.section {
  position: relative;
  padding: clamp(58px, 8vw, 96px) clamp(18px, 5vw, 72px);
}
.band-light { color: var(--ink); background: var(--paper); }
.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}
.eyebrow {
  margin-bottom: 10px;
  color: var(--brand);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
h2 {
  margin-bottom: 14px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.03;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.feature-card {
  min-height: 190px;
  border: 1px solid var(--soft);
  border-radius: var(--radius);
  padding: 24px;
  background: #ffffff;
  box-shadow: 0 12px 32px rgba(20, 34, 62, 0.08);
}
.feature-card h3 {
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 1.08rem;
}
.feature-card p {
  margin-bottom: 0;
  color: #526071;
}
.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}
.section-text {
  max-width: 650px;
  color: var(--muted);
  font-size: 1.08rem;
}
.timeline {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.timeline li {
  display: flex;
  align-items: center;
  gap: 16px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: var(--radius);
  padding: 16px;
  background: rgba(255, 255, 255, 0.045);
  color: #dbe5f4;
}
.timeline span {
  display: inline-grid;
  place-items: center;
  flex: 0 0 42px;
  height: 42px;
  border-radius: 8px;
  color: #0b1020;
  background: var(--brand-2);
  font-weight: 900;
}
.install-section { color: var(--ink); background: #ffffff; }
.install-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.8fr);
  gap: 20px;
}
.command-box, .install-steps {
  border-radius: var(--radius);
  padding: 22px;
}
.command-box {
  color: var(--text);
  background: #0b1221;
  border: 1px solid #1d2a40;
}
.command-title {
  margin-bottom: 16px;
  color: var(--brand-2);
  font-weight: 900;
}
pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}
code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.94rem;
}
.install-steps {
  border: 1px solid var(--soft);
  background: var(--paper);
}
.install-steps h3 { margin-bottom: 10px; }
.install-steps p { color: #526071; }
.footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 28px 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  color: var(--muted);
  background: #080d19;
  text-align: center;
}
.footer img {
  width: 32px;
  height: 32px;
  border-radius: 7px;
}
.footer p { margin-bottom: 0; }
.footer a {
  color: var(--text);
  font-weight: 700;
}
@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }
  .nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }
  .hero, .split-section, .install-layout {
    grid-template-columns: 1fr;
  }
  .hero { min-height: auto; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 620px) {
  .feature-grid { grid-template-columns: 1fr; }
  .actions {
    align-items: stretch;
    flex-direction: column;
  }
  .button { width: 100%; }
  .footer { flex-direction: column; }
}