:root {
  color-scheme: dark;
  --bg: #061019;
  --surface: #0b1823;
  --surface-high: #102331;
  --surface-soft: #0d1d29;
  --line: #263d4b;
  --line-soft: rgba(255, 255, 255, 0.08);
  --text: #f5f8f9;
  --soft: #ccd7dc;
  --muted: #91a5af;
  --teal: #66e7c7;
  --teal-soft: rgba(102, 231, 199, 0.1);
  --amber: #f6ad3c;
  --max: 1220px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 78% 8%, rgba(65, 217, 187, 0.13), transparent 30rem),
    radial-gradient(circle at 8% 42%, rgba(61, 117, 158, 0.08), transparent 27rem),
    var(--bg);
  line-height: 1.6;
}
img { max-width: 100%; }
a { color: inherit; }
button { font: inherit; }
.skip-link {
  position: fixed; top: 0.5rem; left: 0.5rem; z-index: 50; transform: translateY(-150%);
  padding: 0.6rem 0.9rem; color: #06110f; background: var(--teal); border-radius: 8px;
}
.skip-link:focus { transform: none; }
.site-header, main > section, footer {
  width: min(calc(100% - 2.5rem), var(--max));
  margin-inline: auto;
}
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 0; border-bottom: 1px solid var(--line-soft);
}
.brand { display: flex; gap: 0.7rem; align-items: center; text-decoration: none; }
.brand img { width: 2.35rem; height: 2.35rem; border-radius: 9px; }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 0.9rem; }
.brand small { margin-top: -0.12rem; color: var(--muted); font-size: 0.65rem; }
.site-header nav { display: flex; gap: 1.35rem; align-items: center; }
.site-header nav a { color: var(--muted); font-size: 0.78rem; font-weight: 700; text-decoration: none; }
.site-header nav a:hover { color: var(--text); }
.site-header .nav-cta { padding: 0.5rem 0.8rem; color: var(--text); border: 1px solid var(--line); border-radius: 8px; }

h1, h2, h3 { margin-top: 0; line-height: 1.08; letter-spacing: -0.035em; }
h1 { max-width: 680px; margin-bottom: 1rem; font-size: clamp(2.65rem, 4.4vw, 4rem); }
h2 { margin-bottom: 1rem; font-size: clamp(2.1rem, 4.3vw, 4rem); }
h3 { font-size: 1.25rem; }
.eyebrow {
  margin: 0 0 0.9rem; color: var(--teal); font-size: 0.72rem; font-weight: 850;
  letter-spacing: 0.12em; text-transform: uppercase;
}
.section-lead { max-width: 760px; margin: 0 auto; color: var(--muted); font-size: 1.08rem; }

.hero {
  display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(32rem, 1.1fr);
  gap: 3rem; align-items: center; min-height: calc(100svh - 6rem); padding: 2.25rem 0 3rem;
}
.lead { max-width: 650px; margin-bottom: 1.15rem; color: var(--soft); font-size: 1rem; }
.quick-value {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.55rem;
  max-width: 680px; margin-bottom: 1.15rem;
}
.quick-value div {
  min-width: 0; padding: 0.65rem 0.75rem; background: rgba(13, 29, 41, 0.72);
  border: 1px solid var(--line); border-radius: 9px;
}
.quick-value strong, .quick-value span { display: block; }
.quick-value strong { margin-bottom: 0.12rem; color: var(--teal); font-size: 0.7rem; text-transform: uppercase; }
.quick-value span { color: var(--muted); font-size: 0.68rem; line-height: 1.35; }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.button {
  display: inline-flex; justify-content: center; padding: 0.82rem 1.15rem;
  border: 1px solid transparent; border-radius: 9px; font-size: 0.88rem; font-weight: 800;
  text-decoration: none; cursor: pointer;
}
.button:hover { transform: translateY(-1px); }
.primary { color: #061410; background: var(--teal); }
.secondary { border-color: var(--line); }
.trust-row { display: flex; flex-wrap: wrap; gap: 0.45rem 0.9rem; margin-top: 0.9rem; color: #778d98; font-size: 0.68rem; }
.trust-row span::before { margin-right: 0.4rem; color: var(--teal); content: "✓"; }

.hero-visual { position: relative; min-width: 0; padding: 1rem 0 2rem; }
.visual-window, .screenshot-frame {
  overflow: hidden; padding: 0.38rem; background: var(--surface-high);
  border: 1px solid #315064; border-radius: 16px; box-shadow: 0 30px 80px rgba(0, 0, 0, 0.42);
}
.window-bar {
  display: flex; gap: 0.35rem; align-items: center; padding: 0.55rem 0.45rem 0.75rem;
}
.window-bar span { width: 0.52rem; height: 0.52rem; background: #496270; border-radius: 50%; }
.window-bar small { margin-left: auto; color: #78909d; font-size: 0.6rem; }
.visual-window img, .screenshot-frame img { display: block; width: 100%; border-radius: 11px; }
.context-note {
  display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 0.85rem; align-items: center;
  margin-top: 0.85rem; padding: 0.8rem 0.95rem; background: var(--surface);
  border: 1px solid var(--line); border-radius: 10px;
}
.context-note span {
  padding: 0.32rem 0.55rem; color: var(--teal); background: var(--teal-soft);
  border-radius: 6px; font-size: 0.66rem; font-weight: 800; text-transform: uppercase;
}
.context-note strong { color: var(--soft); font-size: 0.75rem; font-weight: 650; }

.positioning { padding: 6.5rem 0; text-align: center; border-top: 1px solid var(--line-soft); }
.positioning h2 { max-width: 900px; margin-inline: auto; }
.session-to-project {
  display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 1rem;
  align-items: center; margin-top: 3.5rem; text-align: left;
}
.session-to-project article {
  min-height: 12rem; padding: 1.5rem; background: var(--surface);
  border: 1px solid var(--line); border-radius: 15px;
}
.session-to-project .highlight-card { background: linear-gradient(145deg, rgba(102, 231, 199, 0.12), var(--surface)); border-color: rgba(102, 231, 199, 0.4); }
.session-to-project small { display: block; margin: 1.4rem 0 0.35rem; color: var(--muted); font-size: 0.66rem; text-transform: uppercase; }
.session-to-project h3 { margin-bottom: 0.7rem; }
.session-to-project p { margin: 0; color: var(--muted); font-size: 0.84rem; }
.step-icon { color: var(--teal); font: 700 0.76rem ui-monospace, monospace; }
.flow-arrow { color: var(--teal); font-size: 1.4rem; }

.workflow, .measure { padding: 6.5rem 0; }
.section-heading { display: flex; justify-content: space-between; gap: 3rem; align-items: end; margin-bottom: 3rem; }
.section-heading > div { max-width: 760px; }
.section-heading > p { max-width: 410px; margin: 0 0 0.3rem; color: var(--muted); }
.section-heading.centered { display: block; max-width: 780px; margin-right: auto; margin-left: auto; text-align: center; }
.section-heading.centered > p { max-width: 650px; margin-inline: auto; }
.workflow-grid, .insight-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.8rem; }
.workflow-grid article, .insight-grid article {
  min-width: 0; padding: 1.5rem; background: var(--surface); border: 1px solid var(--line); border-radius: 13px;
}
.workflow-grid article > span {
  display: inline-block; margin-bottom: 3rem; padding: 0.3rem 0.55rem;
  color: var(--teal); background: var(--teal-soft); border-radius: 6px; font-size: 0.65rem; font-weight: 800; text-transform: uppercase;
}
.workflow-grid h3, .insight-grid h3 { margin-bottom: 0.65rem; }
.workflow-grid p, .insight-grid p { margin: 0; color: var(--muted); font-size: 0.82rem; }

.workspace {
  display: grid; grid-template-columns: 0.62fr 1.38fr; gap: 4rem; align-items: center;
  width: min(calc(100% - 2.5rem), 1380px); padding: 6.5rem 0;
}
.workspace-copy > p:not(.eyebrow) { color: var(--muted); }
.workspace-copy ul { display: flex; flex-wrap: wrap; gap: 0.55rem; padding: 0; list-style: none; }
.workspace-copy li { padding: 0.4rem 0.65rem; color: var(--soft); background: var(--teal-soft); border-radius: 7px; font-size: 0.78rem; }
.workspace-copy li::before { margin-right: 0.4rem; color: var(--teal); content: "✓"; }

.measure { border-top: 1px solid var(--line-soft); }
.insight-grid article strong { display: block; margin-bottom: 1.8rem; color: var(--amber); font-size: 0.72rem; text-transform: uppercase; }
.insight-grid article:nth-child(even) strong { color: var(--teal); }

.continuity {
  display: grid; grid-template-columns: 1fr 0.8fr; gap: 4rem; align-items: center;
  margin-top: 2rem; margin-bottom: 2rem; padding: 3rem;
  background: linear-gradient(120deg, rgba(102, 231, 199, 0.1), rgba(13, 29, 41, 0.8));
  border: 1px solid rgba(102, 231, 199, 0.25); border-radius: 18px;
}
.continuity h2 { margin: 0; font-size: clamp(2rem, 3.5vw, 3.2rem); }
.continuity > p { margin: 0; color: var(--soft); }

.commands { padding: 6.5rem 0; scroll-margin-top: 2rem; }
.command-groups {
  display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.75fr); gap: 1rem;
  max-width: 980px; margin: 0 auto;
}
.command-group {
  padding: 1.5rem; background: var(--surface); border: 1px solid var(--line); border-radius: 15px;
}
.command-group .section-label {
  color: var(--teal); font-size: 0.68rem; font-weight: 800; letter-spacing: 0.09em; text-transform: uppercase;
}
.command-group h3 { margin: 0.35rem 0 1.2rem; }
.command-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.75rem; }
.command-group .command-list { justify-content: flex-start; }
.command-list code {
  padding: 0.7rem 1rem; color: var(--teal); background: rgba(102, 231, 199, 0.08);
  border: 1px solid rgba(102, 231, 199, 0.25); border-radius: 999px;
  font: 700 0.82rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.command-note { margin: 1.5rem auto 0; color: var(--soft); text-align: center; }
.command-note code { color: var(--teal); font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.command-note a { color: var(--teal); font-weight: 750; }

.install { padding: 6.5rem 0; scroll-margin-top: 2rem; }
.prompt {
  overflow: hidden; max-width: 940px; margin: 0 auto; background: #07111c;
  border: 1px solid #2b485e; border-radius: 15px; box-shadow: 0 25px 65px rgba(0, 0, 0, 0.35);
}
.prompt-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.75rem 0.9rem; color: #b7c7d2; background: var(--surface-high);
  border-bottom: 1px solid var(--line); font-size: 0.76rem;
}
.prompt-bar button {
  padding: 0.45rem 0.7rem; color: var(--text); background: #1a3042;
  border: 1px solid #38566e; border-radius: 7px; font-weight: 750; cursor: pointer;
}
pre { overflow-x: auto; margin: 0; padding: 1.4rem; white-space: pre-wrap; }
pre code { color: #d9e3e9; font: 0.81rem/1.7 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

.local-first {
  display: flex; gap: 1.4rem; align-items: center; margin-bottom: 8rem; padding: 2.2rem;
  background: var(--teal-soft); border: 1px solid rgba(102, 231, 199, 0.25); border-radius: 17px;
}
.local-first img { flex: 0 0 auto; width: 4.8rem; height: 4.8rem; border-radius: 14px; }
.local-first h2 { margin-bottom: 0.4rem; font-size: 1.9rem; }
.local-first p:last-child { margin: 0; color: var(--muted); }

footer {
  display: flex; justify-content: space-between; align-items: center;
  padding: 2.2rem 0; color: var(--muted); border-top: 1px solid var(--line-soft); font-size: 0.76rem;
}
footer strong, footer span { display: block; }
footer strong { color: var(--soft); }
footer nav { display: flex; gap: 1.1rem; }
footer a { text-decoration: none; }
footer a:hover { color: var(--text); }

@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-copy { max-width: 820px; }
  .hero-visual { width: min(100%, 780px); margin: 0 auto; }
  .workflow-grid, .insight-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .workspace { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 760px) {
  .site-header nav a:not(.nav-cta):not(.github-link) { display: none; }
  .hero { padding-top: 4.5rem; }
  h1 { font-size: clamp(2.6rem, 11vw, 3.8rem); }
  .session-to-project { grid-template-columns: 1fr; }
  .command-groups { grid-template-columns: 1fr; }
  .flow-arrow { transform: rotate(90deg); text-align: center; }
  .section-heading, .continuity { grid-template-columns: 1fr; display: grid; gap: 1.2rem; }
  .context-note { grid-template-columns: 1fr; }
}

@media (max-width: 540px) {
  .site-header, main > section, footer { width: min(calc(100% - 1.5rem), var(--max)); }
  .workflow-grid, .insight-grid, .quick-value { grid-template-columns: 1fr; }
  .actions { display: grid; }
  .positioning, .workflow, .workspace, .measure, .commands, .install { padding: 5.5rem 0; }
  .continuity { padding: 1.5rem; }
  .local-first { align-items: flex-start; padding: 1.4rem; }
  .local-first img { width: 3.4rem; height: 3.4rem; }
  footer { flex-direction: column; gap: 1rem; align-items: flex-start; }
}

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