/* Preamble marketing — readable static content on the app's graphite tokens.
 * Every color comes from styles.css, so the page follows the viewer's theme.
 * The three --lp-* aliases below are the only landing-scoped values: the
 * alternating band, the illustration ground and the illustration edge. */
.landing-page { --lp-heading: var(--fs-marketing-heading); --lp-hero: var(--fs-hero); --lp-band: var(--bg-1); --lp-illustration: var(--bg-1); --lp-illustration-edge: var(--border-strong); background: var(--bg-0); color: var(--text); font-family: 'Geist', system-ui, sans-serif; height: auto; overflow-x: hidden; overflow-y: auto; }
.landing-page *, .landing-page *::before, .landing-page *::after { box-sizing: border-box; }
.landing-page .wrap { width: min(1240px, calc(100% - 112px)); margin-inline: auto; }
.landing-page a { color: inherit; }
.landing-page .label { font-size: var(--fs-ui); color: var(--text-muted); line-height: 1.5; font-weight: 500; margin: 0; letter-spacing: 0; }
.landing-page .brand-word { font-size: var(--fs-heading); }
.landing-page h1, .landing-page h2, .landing-page h3, .landing-page p { margin-top: 0; }
.landing-page h2 { font-size: var(--lp-heading); font-weight: 500; line-height: 1.14; letter-spacing: -.03em; margin-bottom: 0; }
.landing-page h3 { font-size: var(--fs-heading); font-weight: 500; line-height: 1.3; letter-spacing: -.015em; }
.landing-page a:focus-visible, .landing-page button:focus-visible, .landing-page input:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.lp-skip { position: fixed; top: -70px; left: 20px; z-index: 60; padding: 12px 20px; background: var(--accent-2); color: var(--on-accent); border-radius: var(--radius-sm); }
.lp-skip:focus { top: 12px; }
.lp-nav { position: sticky; top: 0; z-index: 40; background: var(--bg-0); border-bottom: 1px solid var(--hairline); }
.lp-nav.scrolled { box-shadow: var(--shadow-md); }
.lp-nav-inner { min-height: 72px; display: flex; align-items: center; gap: 32px; justify-content: space-between; }
.lp-brand { text-decoration: none; display: inline-flex; align-items: center; min-height: 44px; }
.lp-nav-links { display: flex; align-items: center; gap: 32px; margin-left: auto; }
.lp-nav-links a, .foot-links a { font-size: var(--fs-ui); text-decoration: none; color: var(--text-dim); min-height: 44px; display: inline-flex; align-items: center; }
.lp-nav-links a:hover, .foot-links a:hover {
  color: var(--text);
}
.btn-lp { min-height: 48px; display: inline-flex; justify-content: center; align-items: center; gap: 16px; border-radius: var(--radius-sm); font-size: var(--fs-ui); font-family: inherit; font-weight: 500; text-decoration: none; border: 1px solid transparent; padding: 0 20px; white-space: nowrap; cursor: pointer; transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease); }
.btn-lp.solid { background: var(--accent-2); color: var(--on-accent); border-color: transparent; }
.btn-lp.solid:hover {
  background: var(--action-hover);
}
.btn-lp.ghost { color: var(--text); background: var(--surface); border-color: var(--border-strong); }
.btn-lp.ghost:hover {
  background: var(--surface-2);
}
.btn-lp:disabled { cursor: wait; }
.btn-lp.solid:disabled { background: var(--surface-3); color: var(--text-muted); opacity: 1; }
.hero { padding: var(--sp-9) 0 0; background: var(--atmos-1); }
.hero-layout { display: grid; grid-template-columns: 1fr 1.12fr; gap: 48px; align-items: center; }
.hero-copy > .label { display: flex; align-items: center; gap: 9px; }
.lp-label-mark { display: inline-block; height: 7px; width: 7px; background: var(--accent); border-radius: 50%; box-shadow: 0 0 0 4px var(--accent-soft); }
.hero h1 { font-size: var(--lp-hero); line-height: 1.055; font-weight: 500; letter-spacing: -.04em; margin: 26px 0; }
.hero h1 .em { color: var(--accent); font-family: 'Playfair Display', Georgia, serif; font-style: italic; letter-spacing: 0; font-weight: 500; }
.hero-sub { font-size: var(--fs-body); line-height: 1.7; color: var(--text-dim); max-width: 470px; margin-bottom: 30px; }
.hero-auth { max-width: 460px; }
.hero-auth > label { display: block; font-size: var(--fs-ui); color: var(--text-dim); margin-bottom: 9px; font-weight: 500; }
.hero-auth-controls { display: flex; gap: 8px; }
.hero-auth input { min-width: 0; flex: 1; background: var(--surface); border: 1px solid var(--border-strong); padding: 0 15px; border-radius: var(--radius-sm); color: var(--text); font: inherit; font-size: var(--fs-body); min-height: 48px; transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.hero-auth input::placeholder { color: var(--text-muted); opacity: 1; }
.hero-auth input:focus-visible { outline: 0; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.hero-auth-note { color: var(--text-muted); font-size: var(--fs-caption); line-height: 1.6; margin: 12px 0 0; }
.hero-auth-error { font-size: var(--fs-ui); line-height: 1.6; color: var(--rose); margin: 12px 0 0; }
.hero-auth-error[hidden] { display: none; }
.hero-explore { display: inline-flex; align-items: center; gap: 18px; min-height: 44px; font-size: var(--fs-ui); text-decoration: none; margin-top: 24px; color: var(--text-dim); }
.hero-explore:hover {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.mock-stage { min-width: 0; margin: 10px -22px 0 0; }
.mock-window { border: 1px solid var(--lp-illustration-edge); border-radius: var(--radius-lg); overflow: hidden; background: var(--lp-illustration); box-shadow: var(--shadow-md); }
.mock-top { display: flex; align-items: center; gap: 12px; padding: 15px 18px; border-bottom: 1px solid var(--hairline); }
.landing-page .mock-brand { font-size: var(--fs-title); }
.mock-workspace { font-size: var(--fs-illustration); color: var(--text-muted); margin-left: auto; }
.mock-avatar { display: grid; place-items: center; width: 27px; height: 27px; border-radius: 50%; background: var(--surface-3); font-size: var(--fs-illustration); color: var(--text); }
.mock-content { display: grid; grid-template-columns: 138px 1fr; min-height: 367px; }
.mock-rail { display: flex; flex-direction: column; border-right: 1px solid var(--hairline); padding: 15px 10px; font-size: var(--fs-illustration); }
.mock-nav-item { padding: 8px; margin-bottom: 4px; color: var(--text-muted); }
.mock-nav-item.selected { background: var(--surface-3); color: var(--text); border-radius: var(--radius-sm); }
.mock-rail-label { color: var(--text-muted); padding: 20px 8px 8px; font-size: var(--fs-illustration); }
.mock-history { padding: 8px; color: var(--text-muted); }
.mock-rail-bottom { margin-top: auto; color: var(--text-muted); font-size: var(--fs-illustration); line-height: 1.6; padding: 20px 8px 0; }
.mock-main { padding: 46px 24px 28px; display: flex; flex-direction: column; justify-content: center; min-width: 0; }
.mock-context { color: var(--text-muted); font-size: var(--fs-illustration); text-align: center; }
.mock-h { font-family: 'Playfair Display', Georgia, serif; font-style: italic; font-weight: 500; font-size: var(--fs-heading); text-align: center; margin: 10px 0 20px; white-space: nowrap; }
.mock-composer { border: 1px solid var(--border-strong); background: var(--surface); border-radius: var(--radius); padding: 15px; color: var(--text); font-size: var(--fs-caption); line-height: 1.7; }
.mock-composer-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 24px; color: var(--text-muted); }
.mock-model { font-size: var(--fs-illustration); margin-left: 6px; }
.mock-send { width: 24px; height: 24px; background: var(--accent-2); color: var(--on-accent); font-size: var(--fs-body); border-radius: var(--radius-sm); text-align: center; }
.mock-suggestions { display: flex; gap: 7px; margin-top: 9px; }
.mock-suggestions > span { font-size: var(--fs-illustration); padding: 8px 7px; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); flex: 1; color: var(--text-muted); }
.mock-kit { display: flex; align-items: center; gap: 10px; padding-top: 23px; color: var(--text-muted); font-size: var(--fs-caption); }
.mock-kit-l { width: 29px; height: 29px; border-radius: var(--radius-sm); display: grid; place-items: center; border: 1px solid var(--border-strong); background: var(--surface-2); color: var(--text-dim); }
.mock-kit b { display: block; font-weight: 500; color: var(--text); }
.mock-kit small { display: block; font-size: var(--fs-illustration); margin-top: 4px; color: var(--text-muted); }
.mock-kit > span:last-child { margin-left: auto; }
.mock-stage figcaption { color: var(--text-muted); font-size: var(--fs-caption); text-align: right; line-height: 1.5; margin-top: 15px; }
.hero-foundation { display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; margin-top: var(--sp-8); padding: 28px 0; border-top: 1px solid var(--hairline); font-size: var(--fs-caption); color: var(--text-muted); }
.hero-foundation > div { display: flex; flex-wrap: wrap; gap: 28px; color: var(--text-dim); }
.hero-foundation > div span::before { content: '✓'; color: var(--text-muted); margin-right: 8px; }
.band { padding: var(--sp-9) 0; scroll-margin-top: 72px; }
.shift { border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); background: var(--lp-band); }
.shift-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 110px; align-items: center; }
.shift .label, .sec-head .label, .cta .label { margin-bottom: 22px; }
.shift-copy p { font-size: var(--fs-body); line-height: 1.8; color: var(--text-dim); margin: 22px 0 0; max-width: 460px; }
/* The shift visual: three steps that converge on one Preamble base. */
.shift-visual { border: 1px solid var(--lp-illustration-edge); border-radius: var(--radius-lg); background: var(--lp-illustration); padding: 20px; }
.shift-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.shift-steps span { display: flex; flex-direction: column; gap: 10px; padding: 12px; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); background: var(--surface-2); color: var(--text); font-size: var(--fs-caption); line-height: 1.4; }
.shift-steps i { font-style: normal; font-size: var(--fs-illustration); color: var(--text-muted); }
.shift-join { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; height: 18px; }
.shift-join span { width: 1px; height: 100%; margin-inline: auto; background: var(--border-strong); }
.shift-base { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 14px; border-radius: var(--radius-sm); background: var(--accent-2); color: var(--on-accent); }
.landing-page .shift-base .brand-word { font-size: var(--fs-title); color: inherit; }
.shift-base > span:last-child { font-size: var(--fs-caption); opacity: .85; }
.sec-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 60px; margin-bottom: var(--sp-7); }
.sec-head > p { max-width: 365px; margin: 0 0 4px; font-size: var(--fs-body); line-height: 1.8; color: var(--text-dim); }
.platform-grid { display: grid; grid-template-columns: 1.1fr 1fr 1fr; gap: 18px; }
.platform-feature { padding: 30px 26px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); display: flex; flex-direction: column; }
.feature-heading { display: flex; align-items: center; gap: 10px; margin-bottom: 32px; }
.feature-icon { width: 30px; height: 30px; display: grid; place-items: center; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); color: var(--text-dim); }
.platform-feature h3 { margin-bottom: 16px; }
.platform-feature > p { color: var(--text-dim); font-size: var(--fs-ui); line-height: 1.8; margin-bottom: 26px; }
/* Logo tiles: real brand marks on a small tile. `.light` is a white ground
   with a soft ring (marks drawn for light backgrounds); named tiles carry the
   brand's own ground, matching CONNECTOR_LOGOS in the app. */
.model-logos, .connector-logos { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0; }
.logo-tile { width: 46px; height: 46px; display: grid; place-items: center; border-radius: var(--radius-sm); border: 1px solid transparent; background: var(--surface-2); }
.logo-tile img { display: block; width: 28px; height: 28px; object-fit: contain; }
.logo-tile.light { background: #ffffff; border-color: rgba(17, 19, 24, 0.14); }
.logo-tile.slack { background: #221f34; }
.logo-tile.linear { background: #5e6ad2; }
.logo-tile.linear img { filter: brightness(0) invert(1); }
.logo-tile.jira { background: #0d2b5d; }
.logo-tile.confluence { background: #0c2b5f; }
.model-logos-wrap { margin-top: auto; padding-top: 22px; }
.logo-caption, .connector-more { color: var(--text-muted); font-size: var(--fs-caption); line-height: 1.6; margin: 14px 0 0; }
.connector-illustration { margin-top: auto; padding: 22px 0 4px; }
/* The kit stack: what one Adoption Kit bundles, in the illustration idiom. */
.kit-stack { margin-top: auto; border: 1px solid var(--lp-illustration-edge); border-radius: var(--radius-sm); background: var(--lp-illustration); padding: 14px; font-size: var(--fs-illustration); color: var(--text-dim); }
.kit-stack-head { display: flex; align-items: center; gap: 10px; padding-bottom: 12px; border-bottom: 1px solid var(--hairline); margin-bottom: 4px; }
.kit-stack-l { width: 30px; height: 30px; display: grid; place-items: center; border: 1px solid var(--border-strong); background: var(--surface-2); border-radius: var(--radius-sm); color: var(--text-dim); flex: 0 0 auto; }
.kit-stack-head b { display: block; font-weight: 500; color: var(--text); font-size: var(--fs-caption); }
.kit-stack-head small { display: block; font-size: var(--fs-illustration); color: var(--text-muted); margin-top: 2px; }
.kit-stack-row { display: grid; grid-template-columns: 72px 1fr; gap: 10px; align-items: center; padding: 8px 0; }
.kit-stack-row + .kit-stack-row { border-top: 1px solid var(--hairline); }
.kit-stack-k { color: var(--text); font-weight: 500; }
.kits { padding-top: 30px; }
/* Adoption Kits: one row of role tiles, one sentence, one CTA. */
.kit-row { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; list-style: none; padding: 0; margin: 0; }
.kit-tile { display: flex; flex-direction: column; gap: 6px; padding: 18px 16px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); min-width: 0; }
.kit-tile-l { height: 36px; width: 36px; display: grid; place-items: center; border: 1px solid var(--border-strong); background: var(--surface-2); border-radius: var(--radius-sm); font-size: var(--fs-caption); color: var(--text-dim); margin-bottom: 10px; }
.kit-category { font-size: var(--fs-ui); font-weight: 500; color: var(--text); }
.kit-tile-d { font-size: var(--fs-caption); line-height: 1.5; color: var(--text-muted); }
.kit-foot { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 22px; }
.kit-link { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; font-size: var(--fs-ui); font-weight: 500; text-decoration: none; color: var(--text); white-space: nowrap; transition: color var(--dur) var(--ease); }
.kit-link:hover {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}
.kit-note { color: var(--text-muted); font-size: var(--fs-caption); line-height: 1.8; margin: 0; }
.cta { padding: 0 0 90px; }
.cta-inner { border: 1px solid var(--border-strong); border-radius: var(--radius-lg); background: var(--bg-2); padding: 54px 60px; display: flex; align-items: center; justify-content: space-between; gap: 36px; }
.cta-inner p:not(.label) { color: var(--text-dim); font-size: var(--fs-body); line-height: 1.8; margin: 22px 0 0; max-width: 400px; }
.cta-inner .btn-lp { padding-inline: 26px; min-height: 52px; }
.lp-foot { border-top: 1px solid var(--divider); }
.foot-row { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 36px 0; }
.foot-links { display: flex; align-items: center; gap: 24px; }
.foot-copy { font-size: var(--fs-caption); color: var(--text-muted); }
@media (max-width: 1100px) {
  .landing-page .wrap { width: calc(100% - 64px); }
  .hero-layout { gap: 30px; grid-template-columns: 1fr 1fr; }
  .mock-stage { margin-right: 0; }
  .mock-content { grid-template-columns: 108px 1fr; }
  .mock-main { padding-inline: 15px; }
  .mock-rail { padding-inline: 6px; }
  .mock-kit small { font-size: var(--fs-illustration); }
  .hero-desktop-break { display: none; }
  .hero-foundation { flex-direction: column; gap: 15px; }
  .platform-grid { gap: 12px; }
  .platform-feature { padding: 25px 20px; }
  .kit-row { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .sec-head { gap: 35px; }
  .sec-head > p { max-width: 320px; }
  .shift-inner { gap: 60px; }
}
@media (max-width: 800px) {
  .hero { padding-top: 65px; }
  .hero-layout { grid-template-columns: 1fr; gap: 40px; }
  .hero-copy { max-width: 600px; }
  .hero h1 { font-size: var(--fs-hero); }
  .mock-stage { max-width: 680px; width: 100%; }
  .mock-content { grid-template-columns: 145px 1fr; }
  .mock-main { padding-inline: 35px; }
  .mock-h { font-size: var(--fs-heading); }
  .mock-context, .mock-history, .mock-nav-item, .mock-kit, .mock-composer { font-size: var(--fs-caption); }
  .mock-suggestions > span, .mock-kit small, .mock-model { font-size: var(--fs-illustration); }
  .hero-foundation { margin-top: 40px; }
  .band { padding-top: 70px; padding-bottom: 70px; }
  .sec-head, .shift-inner { display: grid; grid-template-columns: 1fr; gap: 25px; }
  .sec-head > p { max-width: 600px; }
  .platform-grid { grid-template-columns: 1fr; }
  .platform-feature { padding: 28px; }
  .feature-heading { margin-bottom: 24px; }
  .platform-feature h3 br { display: none; }
  .connector-illustration, .model-logos-wrap { padding-top: 0; }
  .shift-visual { max-width: 520px; }
  .cta { padding-top: 0; }
  .cta-inner { padding: 38px; }
  .foot-row { flex-wrap: wrap; gap: 16px 30px; }
  .foot-copy { width: 100%; }
}
@media (max-width: 560px) {
  .landing-page .wrap { width: calc(100% - 40px); }
  .lp-nav-inner { min-height: 114px; flex-wrap: wrap; gap: 0 12px; padding-top: 10px; }
  .landing-page .lp-brand .brand-word { font-size: var(--fs-heading); }
  .lp-nav-inner > .btn-lp { margin-left: auto; min-height: 42px; padding: 0 14px; font-size: var(--fs-ui); }
  .lp-nav-links { order: 3; width: 100%; gap: 0; justify-content: space-between; border-top: 1px solid var(--hairline); margin-top: 8px; }
  .lp-nav-links a { font-size: var(--fs-caption); }
  .hero { padding-top: 46px; }
  .hero-copy > .label { font-size: var(--fs-caption); letter-spacing: 0; }
  .hero h1 { font-size: var(--fs-hero); margin-top: 22px; }
  .hero-sub { font-size: var(--fs-body); line-height: 1.75; }
  .hero-auth-controls { flex-direction: column; gap: 10px; }
  .hero-auth-controls .btn-lp { min-height: 48px; }
  .hero-auth-note { font-size: var(--fs-caption); }
  .hero-explore { margin-top: 20px; }
  .hero-layout { gap: 24px; }
  .mock-stage { margin-top: 0; }
  .mock-top { padding: 13px; }
  .landing-page .mock-brand { font-size: var(--fs-title); }
  .mock-content { grid-template-columns: 1fr; min-height: 310px; }
  .mock-rail { display: none; }
  .mock-main { padding: 28px 20px; }
  .mock-h { font-size: var(--fs-heading); }
  .mock-context { font-size: var(--fs-illustration); }
  .mock-suggestions > span { padding-inline: 9px; }
  .mock-kit { padding-top: 18px; }
  .mock-kit small { font-size: var(--fs-illustration); }
  .mock-stage figcaption { font-size: var(--fs-illustration); text-align: center; margin-top: 12px; }
  .hero-foundation { padding: 25px 0; font-size: var(--fs-caption); }
  .hero-foundation > div { gap: 12px; flex-direction: column; font-size: var(--fs-caption); }
  .band { padding-block: 56px; scroll-margin-top: 115px; }
  .landing-page h2 { font-size: var(--fs-display); }
  .shift-copy p, .sec-head > p { font-size: var(--fs-body); }
  .sec-head { gap: 23px; margin-bottom: 28px; }
  .platform-feature { padding: 26px 23px; }
  .platform-feature h3 { font-size: var(--fs-heading); }
  .shift-steps { grid-template-columns: 1fr; }
  .shift-join { display: none; }
  .shift-base { margin-top: 10px; }
  .kits { padding-top: 0; }
  .kit-row { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .kit-tile { padding: 14px; }
  .kit-foot { flex-direction: column; align-items: flex-start; gap: 8px; }
  .kit-note { font-size: var(--fs-caption); }
  .cta { padding-top: 0; }
  .cta-inner { flex-direction: column; align-items: stretch; padding: 30px 25px; gap: 28px; }
  .cta-inner p:not(.label) { font-size: var(--fs-ui); }
  .foot-row { padding-block: 25px; }
  .foot-links { width: 100%; justify-content: space-between; gap: 12px; }
  .foot-links a { font-size: var(--fs-caption); }
}
@media (prefers-reduced-motion: reduce) { .landing-page { scroll-behavior: auto; } .landing-page *, .landing-page *::before, .landing-page *::after { animation: none !important; transition: none !important; } }