:root {
  --ink: #172533;
  --ink-soft: #314252;
  --muted: #6d7a86;
  --line: #dbe3e9;
  --cloud: #f5f7fa;
  --paper: #ffffff;
  --violet: #7667f8;
  --violet-soft: #eeecff;
  --mint: #58c7b0;
  --mint-soft: #dcf5ee;
  --coral: #f59e82;
  --coral-soft: #ffede7;
  --shadow: 0 32px 80px rgba(23, 37, 51, .14);
  --content: min(1180px, calc(100vw - 48px));
  font-family: "Avenir Next", "SF Pro Display", "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--cloud);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background:
    linear-gradient(rgba(23, 37, 51, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 37, 51, .035) 1px, transparent 1px),
    var(--cloud);
  background-size: 32px 32px;
  color: var(--ink);
}

a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  transform: translateY(-160%);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow);
  font-weight: 700;
}

.skip-link:focus { transform: translateY(0); }

:focus-visible {
  outline: 3px solid var(--mint);
  outline-offset: 4px;
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: 100%;
  min-height: 72px;
  padding: 12px max(24px, calc((100vw - 1180px) / 2));
  border-bottom: 1px solid rgba(219, 227, 233, .8);
  background: rgba(245, 247, 250, .88);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  gap: 11px;
  width: fit-content;
  font-size: 15px;
  font-weight: 750;
  letter-spacing: -.02em;
}

.brand img { width: 38px; height: 38px; }

.site-header nav, .site-footer nav {
  display: flex;
  align-items: center;
  gap: 30px;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 650;
}

.site-header nav a, .site-footer nav a {
  position: relative;
  padding: 10px 0;
}

.site-header nav a::after, .site-footer nav a::after {
  position: absolute;
  right: 0;
  bottom: 5px;
  left: 0;
  height: 2px;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  background: var(--violet);
  transition: transform 180ms ease;
}

.site-header nav a:hover::after, .site-footer nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.header-cta {
  justify-self: end;
  padding: 11px 17px;
  border-radius: 12px;
  background: var(--ink);
  color: white;
  font-size: 13px;
  font-weight: 750;
  transition: transform 160ms ease, background 160ms ease;
}

.header-cta:hover { transform: translateY(-2px); background: #24384a; }

.hero {
  display: grid;
  grid-template-columns: minmax(390px, .88fr) minmax(620px, 1.32fr);
  gap: clamp(46px, 6vw, 92px);
  align-items: center;
  width: var(--content);
  min-height: calc(100svh - 72px);
  margin: 0 auto;
  padding: 84px 0 92px;
}

.hero-copy { position: relative; z-index: 2; }

.hero-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 28px;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 700;
}

.hero-kicker span {
  width: 29px;
  height: 8px;
  border-radius: 8px 2px 8px 2px;
  background: linear-gradient(90deg, var(--violet) 0 52%, var(--mint) 52%);
}

.hero h1 {
  max-width: 650px;
  margin: 0;
  font-size: clamp(54px, 6.3vw, 92px);
  font-weight: 760;
  letter-spacing: -.072em;
  line-height: .98;
}

.hero-summary {
  max-width: 570px;
  margin: 34px 0 0;
  color: var(--ink-soft);
  font-size: clamp(16px, 1.35vw, 19px);
  line-height: 1.85;
}

.hero-actions { display: flex; gap: 12px; margin-top: 36px; }

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  padding: 0 23px;
  border-radius: 14px;
  font-size: 14px;
  font-weight: 760;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover { transform: translateY(-2px); }
.button--primary { background: var(--violet); color: white; box-shadow: 0 14px 30px rgba(118, 103, 248, .25); }
.button--primary:hover { box-shadow: 0 18px 36px rgba(118, 103, 248, .33); }
.button--quiet { border: 1px solid var(--line); background: rgba(255, 255, 255, .56); }

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 32px 0 0;
  padding: 0;
  color: var(--muted);
  font-size: 12px;
  list-style: none;
}

.hero-facts li { display: flex; align-items: center; gap: 7px; }
.fact-dot { width: 7px; height: 7px; border-radius: 50%; }
.fact-dot--violet { background: var(--violet); }
.fact-dot--mint { background: var(--mint); }
.fact-dot--coral { background: var(--coral); }

.workspace-demo {
  position: relative;
  display: grid;
  grid-template-columns: 58px 198px minmax(330px, 1fr);
  grid-template-rows: minmax(478px, 1fr) 31px;
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .9);
  border-radius: 25px;
  background: var(--paper);
  box-shadow: var(--shadow), 0 0 0 10px rgba(255, 255, 255, .48);
  transform: perspective(1400px) rotateY(-2deg) rotateX(1deg);
  transform-origin: center;
}

.workspace-demo::before {
  position: absolute;
  z-index: -1;
  top: -74px;
  right: -86px;
  width: 250px;
  height: 250px;
  border-radius: 50%;
  background: var(--mint);
  content: "";
  opacity: .18;
  filter: blur(32px);
}

.demo-account-rail {
  display: flex;
  grid-row: 1;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 13px 9px;
  background: var(--ink);
}

.demo-account-rail > img { width: 38px; height: 38px; margin-bottom: 6px; }
.demo-avatar, .demo-add {
  position: relative;
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 12px;
  background: #314252;
  color: #d9e4ec;
  font-size: 12px;
  font-weight: 760;
}

.demo-avatar--active { background: var(--violet); color: white; }
.demo-avatar--active::before { position: absolute; left: -9px; width: 3px; height: 22px; border-radius: 0 4px 4px 0; background: var(--mint); content: ""; }
.demo-avatar i { position: absolute; right: -2px; bottom: -1px; width: 9px; height: 9px; border: 2px solid var(--ink); border-radius: 50%; background: var(--mint); }
.demo-avatar b { position: absolute; top: -5px; right: -6px; display: grid; min-width: 17px; height: 17px; place-items: center; padding: 0 4px; border: 2px solid var(--ink); border-radius: 12px; background: var(--coral); color: var(--ink); font-size: 8px; }
.demo-add { margin-top: auto; border: 1px dashed #637383; background: transparent; font-size: 18px; font-weight: 400; }

.demo-dialogs {
  grid-row: 1;
  min-width: 0;
  padding: 19px 12px;
  border-right: 1px solid #e6ebef;
  background: #f9fafc;
}

.demo-panel-head { display: flex; align-items: center; justify-content: space-between; padding: 0 5px 14px; }
.demo-panel-head strong { font-size: 15px; }
.demo-panel-head span { color: var(--violet); font-size: 9px; font-weight: 760; }
.demo-search { margin-bottom: 10px; padding: 9px 11px; border: 1px solid #e3e9ee; border-radius: 10px; background: white; color: #9aa5ae; font-size: 9px; }
.demo-dialog { position: relative; display: grid; grid-template-columns: 36px minmax(0, 1fr) auto; gap: 9px; align-items: center; margin: 3px 0; padding: 10px 8px; border-radius: 12px; }
.demo-dialog--active { background: var(--violet-soft); }
.demo-dialog--muted { opacity: .68; }
.dialog-avatar { display: grid; width: 36px; height: 36px; place-items: center; flex: 0 0 auto; border-radius: 12px; background: #e8edf1; color: var(--ink-soft); font-size: 11px; font-weight: 760; }
.dialog-avatar--mint { background: var(--mint-soft); color: #237a69; }
.dialog-avatar--violet { background: var(--violet-soft); color: #5143cc; }
.dialog-avatar--coral { background: var(--coral-soft); color: #9a4e38; }
.demo-dialog div { min-width: 0; }
.demo-dialog strong { display: block; overflow: hidden; font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.demo-dialog p { overflow: hidden; margin: 4px 0 0; color: #7c8994; font-size: 8px; text-overflow: ellipsis; white-space: nowrap; }
.demo-dialog time { align-self: start; color: #97a2ac; font-size: 7px; }
.demo-dialog > b { position: absolute; right: 8px; bottom: 9px; display: grid; width: 15px; height: 15px; place-items: center; border-radius: 50%; background: var(--violet); color: white; font-size: 7px; }

.demo-conversation { display: grid; grid-row: 1; grid-template-rows: auto 1fr auto; min-width: 0; background: #eef3f5; }
.demo-conversation > header { display: flex; align-items: center; gap: 10px; min-height: 62px; padding: 11px 16px; border-bottom: 1px solid #e5eaee; background: rgba(255, 255, 255, .9); }
.demo-conversation > header div { display: grid; gap: 3px; }
.demo-conversation > header strong { font-size: 11px; }
.demo-conversation > header small { color: #6f7e89; font-size: 8px; }
.demo-conversation > header small i { display: inline-block; width: 6px; height: 6px; margin-right: 4px; border-radius: 50%; background: var(--mint); }
.ai-status { margin-left: auto; padding: 6px 8px; border-radius: 8px; background: var(--mint-soft); color: #257564; font-size: 7px; font-weight: 760; }
.demo-messages { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: 10px; padding: 22px 26px; }
.message-date { align-self: center; padding: 4px 8px; border-radius: 9px; background: rgba(23, 37, 51, .08); color: #788691; font-size: 7px; }
.message { max-width: 78%; padding: 10px 12px 7px; border-radius: 13px; box-shadow: 0 5px 13px rgba(23, 37, 51, .06); }
.message strong { color: #477164; font-size: 8px; }
.message p { margin: 3px 0 4px; font-size: 9px; line-height: 1.45; }
.message time { display: block; color: #8b98a2; font-size: 7px; text-align: right; }
.message time b { color: var(--violet); }
.message--incoming { border-bottom-left-radius: 4px; background: white; }
.message--outgoing { align-self: flex-end; border-bottom-right-radius: 4px; background: #e6e3ff; }
.context-trace { display: flex; align-items: center; align-self: center; gap: 6px; color: #798792; font-size: 7px; }
.context-trace span { width: 18px; height: 1px; background: var(--mint); }
.demo-conversation > footer { display: flex; align-items: center; gap: 10px; min-height: 52px; margin: 0 12px 12px; padding: 8px 9px 8px 14px; border-radius: 13px; background: white; color: #9ca6ae; font-size: 9px; }
.demo-conversation > footer b { margin-left: auto; padding: 8px 10px; border-radius: 9px; background: var(--violet); color: white; font-size: 8px; }
.demo-statusbar { display: flex; grid-column: 1 / -1; grid-row: 2; align-items: center; gap: 16px; padding: 0 13px; border-top: 1px solid #e2e8ed; background: white; color: #6d7a85; font-size: 7px; }
.demo-statusbar span:first-child { margin-right: auto; }
.demo-statusbar i { display: inline-block; width: 6px; height: 6px; margin-right: 5px; border-radius: 50%; background: var(--mint); }

.section-heading > p {
  margin: 0 0 16px;
  color: var(--violet);
  font-size: 13px;
  font-weight: 760;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(38px, 4.7vw, 67px);
  font-weight: 740;
  letter-spacing: -.06em;
  line-height: 1.08;
}

.problem {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 90px;
  width: var(--content);
  margin: 0 auto;
  padding: 132px 0;
  border-top: 1px solid var(--line);
}

.problem-list { border-top: 1px solid var(--ink); }
.problem-list article { display: grid; grid-template-columns: 110px 1fr 180px; gap: 24px; align-items: baseline; padding: 28px 0; border-bottom: 1px solid var(--line); }
.problem-list span { color: var(--muted); font-size: 12px; font-weight: 700; }
.problem-list p { margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.75; }
.problem-list strong { font-size: 13px; text-align: right; }

.workflow { padding: 130px max(24px, calc((100vw - 1180px) / 2)); background: var(--ink); color: white; }
.section-heading--wide { display: grid; grid-template-columns: 1fr 1.2fr; column-gap: 80px; align-items: end; max-width: 1180px; margin: 0 auto 78px; }
.section-heading--wide > p { grid-column: 1 / -1; color: var(--mint); }
.section-heading--wide > span { max-width: 430px; color: #aebbc6; font-size: 15px; line-height: 1.8; }
.workflow-line { max-width: 1180px; margin: 0 auto; border-top: 1px solid #526170; }
.workflow-line article { display: grid; grid-template-columns: 100px 1fr 380px; gap: 42px; align-items: center; min-height: 220px; padding: 36px 0; border-bottom: 1px solid #526170; }
.workflow-index { align-self: start; padding-top: 4px; color: var(--mint); font-size: 12px; font-weight: 760; }
.workflow-line h3 { margin: 0 0 14px; font-size: 25px; letter-spacing: -.035em; }
.workflow-line p { max-width: 500px; margin: 0; color: #aebbc6; font-size: 14px; line-height: 1.8; }
.capability-visual { min-height: 112px; border: 1px solid #526170; background: #1c2d3d; }
.account-stack { display: flex; align-items: center; justify-content: center; padding: 18px; }
.account-stack > span { display: grid; width: 82px; height: 82px; place-items: center; margin-left: -10px; border: 4px solid var(--ink); border-radius: 26px; background: var(--violet); font-size: 20px; font-weight: 760; }
.account-stack > span:nth-child(2) { background: var(--mint); color: var(--ink); transform: translateY(7px); }
.account-stack > span:nth-child(3) { background: var(--coral); color: var(--ink); transform: translateY(-7px); }
.account-stack small { align-self: end; margin-bottom: 11px; font-size: 7px; font-weight: 700; opacity: .75; }
.change-stream { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 18px; }
.change-stream span { display: flex; align-items: center; gap: 6px; color: #d8e2e9; font-size: 8px; white-space: nowrap; }
.change-stream span i { width: 7px; height: 7px; border-radius: 50%; background: var(--mint); }
.change-stream b { width: 26px; height: 1px; background: #526170; }
.scope-visual { display: grid; gap: 8px; align-content: center; padding: 18px; }
.scope-visual span { display: grid; grid-template-columns: 29px 1fr auto; align-items: center; gap: 9px; padding: 9px; border-radius: 9px; background: #26394a; font-size: 9px; }
.scope-visual i { display: grid; width: 29px; height: 29px; place-items: center; border-radius: 9px; background: var(--mint); color: var(--ink); font-style: normal; font-weight: 760; }
.scope-visual b { color: var(--mint); font-size: 7px; }
.scope-visual .scope-off { opacity: .55; }
.scope-visual .scope-off i { background: #607080; color: white; }
.operation-visual { display: grid; gap: 7px; align-content: center; padding: 18px 22px; }
.operation-visual span { display: flex; align-items: center; gap: 10px; color: #d8e2e9; font-size: 9px; }
.operation-visual i { width: var(--width, 62%); height: 7px; border-radius: 5px; background: var(--mint); }
.operation-visual span:nth-child(2) i { --width: 37%; background: var(--violet); }
.operation-visual span:nth-child(3) i { --width: 16%; background: var(--coral); }

.feature-map {
  padding: 138px max(24px, calc((100vw - 1180px) / 2));
  background: var(--paper);
}

.section-heading--feature-map {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  column-gap: 80px;
  align-items: end;
  max-width: 1180px;
  margin: 0 auto 76px;
}

.section-heading--feature-map > p { grid-column: 1 / -1; }
.section-heading--feature-map > span {
  max-width: 420px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.8;
}

.feature-directory {
  max-width: 1180px;
  margin: 0 auto;
  border-top: 2px solid var(--ink);
}

.feature-group {
  display: grid;
  grid-template-columns: 310px minmax(0, 1fr);
  border-bottom: 1px solid var(--ink);
}

.feature-group > header {
  padding: 38px 44px 38px 0;
}

.feature-group > header > span {
  display: inline-flex;
  margin-bottom: 46px;
  padding: 7px 10px;
  border-radius: 8px;
  background: var(--violet-soft);
  color: #584bd0;
  font-size: 11px;
  font-weight: 760;
}

.feature-group:nth-child(2) > header > span,
.feature-group:nth-child(5) > header > span {
  background: var(--mint-soft);
  color: #277666;
}

.feature-group:nth-child(3) > header > span {
  background: var(--coral-soft);
  color: #934b37;
}

.feature-group > header h3 {
  margin: 0 0 14px;
  font-size: 25px;
  letter-spacing: -.045em;
  line-height: 1.22;
}

.feature-group > header p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.75;
}

.feature-items {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-left: 1px solid var(--line);
}

.feature-items > div {
  display: flex;
  min-height: 224px;
  flex-direction: column;
  padding: 38px 34px 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.feature-items > div:nth-last-child(-n+2) { border-bottom: 0; }
.feature-items > div:nth-child(even) { border-right: 0; }

.feature-items strong {
  margin-bottom: 15px;
  font-size: 17px;
  letter-spacing: -.025em;
}

.feature-items p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.75;
}

.feature-items small {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 24px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 650;
}

.feature-items small::before {
  width: 18px;
  height: 2px;
  background: var(--mint);
  content: "";
}

.showcase { width: var(--content); margin: 0 auto; padding: 138px 0; }
.showcase > .section-heading { display: grid; grid-template-columns: 1fr 1fr; align-items: end; margin-bottom: 62px; }
.showcase > .section-heading p { grid-column: 1 / -1; }
.showcase-stage { display: grid; grid-template-columns: 1.35fr .65fr; gap: 18px; }
.showcase-stage article { position: relative; min-height: 510px; overflow: hidden; }
.showcase-main { display: grid; grid-template-columns: .8fr 1.2fr; padding: 52px; background: var(--violet-soft); }
.showcase-side { display: flex; flex-direction: column; padding: 42px; background: var(--mint-soft); }
.showcase-copy { position: relative; z-index: 2; }
.showcase-copy > span { color: #6458d5; font-size: 12px; font-weight: 760; }
.showcase-copy h3 { max-width: 360px; margin: 18px 0 15px; font-size: clamp(28px, 3vw, 43px); letter-spacing: -.055em; line-height: 1.08; }
.showcase-copy p { max-width: 360px; margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.8; }
.showcase-side .showcase-copy > span { color: #2a7969; }
.floating-app { position: absolute; right: 46px; bottom: -34px; width: min(355px, 48%); min-width: 300px; overflow: hidden; border: 1px solid rgba(23, 37, 51, .1); border-radius: 20px 20px 0 0; background: white; box-shadow: 0 28px 60px rgba(53, 44, 141, .19); transform: rotate(-2deg); }
.floating-app header { display: flex; align-items: center; gap: 8px; padding: 14px 16px; border-bottom: 1px solid #e6e9ee; }
.floating-app header i { width: 8px; height: 8px; border-radius: 50%; background: var(--mint); }
.floating-app header strong { font-size: 11px; }
.floating-app header span { margin-left: auto; color: #8a96a0; }
.floating-app__body { padding: 29px 26px 48px; }
.floating-app__body > p { margin: 0 0 8px; color: var(--muted); font-size: 10px; }
.floating-app__body > strong { font-size: 23px; letter-spacing: -.04em; }
.floating-app dl { display: grid; gap: 0; margin: 25px 0; }
.floating-app dl div { display: flex; justify-content: space-between; padding: 12px 0; border-top: 1px solid #e8edf1; font-size: 10px; }
.floating-app dt { color: var(--muted); }
.floating-app dd { margin: 0; font-weight: 700; }
.floating-app button { width: 100%; padding: 12px; border: 0; border-radius: 10px; background: var(--violet); color: white; font: inherit; font-size: 10px; font-weight: 760; }
.job-progress { margin-top: auto; padding: 24px; border: 1px solid rgba(23, 37, 51, .1); background: rgba(255, 255, 255, .58); }
.job-progress > div { display: flex; align-items: center; justify-content: space-between; font-size: 11px; }
.job-progress > i { display: block; height: 8px; margin: 17px 0 20px; overflow: hidden; border-radius: 6px; background: rgba(23, 37, 51, .1); }
.job-progress > i b { display: block; width: 87.5%; height: 100%; border-radius: inherit; background: var(--ink); }
.job-progress ul { display: grid; gap: 9px; margin: 0; padding: 0; color: var(--ink-soft); font-size: 9px; list-style: none; }
.job-progress li { display: flex; align-items: center; gap: 7px; }
.job-progress li span { width: 7px; height: 7px; border-radius: 50%; background: var(--mint); }
.job-progress li:nth-child(2) span { background: var(--violet); }
.job-progress li:nth-child(3) span { background: var(--coral); }

.advantages { display: grid; grid-template-columns: .78fr 1.22fr; gap: 100px; width: var(--content); margin: 0 auto; padding: 132px 0 150px; border-top: 1px solid var(--line); }
.section-heading--sticky { position: sticky; top: 120px; align-self: start; }
.advantage-list { border-top: 1px solid var(--ink); }
.advantage-list article { display: grid; grid-template-columns: 54px 1fr; gap: 24px; padding: 34px 0 40px; border-bottom: 1px solid var(--line); }
.advantage-list > article > span { color: var(--violet); font-size: 11px; font-weight: 760; }
.advantage-list h3 { margin: 0 0 12px; font-size: 22px; letter-spacing: -.035em; }
.advantage-list p { max-width: 650px; margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.8; }

.boundaries {
  display: grid;
  grid-template-columns: .78fr 1.22fr;
  gap: 100px;
  padding: 132px max(24px, calc((100vw - 1180px) / 2));
  background: #e9eef2;
}

.section-heading--boundaries > span {
  display: block;
  max-width: 410px;
  margin-top: 28px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.8;
}

.boundary-list { border-top: 1px solid var(--ink); }
.boundary-list article {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 30px;
  align-items: baseline;
  padding: 27px 0;
  border-bottom: 1px solid #c8d2da;
}

.boundary-list strong { font-size: 13px; }
.boundary-list p { margin: 0; color: var(--ink-soft); font-size: 13px; line-height: 1.75; }

.start { display: flex; min-height: 570px; flex-direction: column; align-items: center; justify-content: center; padding: 90px 24px; background: var(--ink); color: white; text-align: center; }
.start > img { width: 58px; height: 58px; margin-bottom: 30px; }
.start > p { margin: 0 0 18px; color: var(--mint); font-size: 13px; font-weight: 700; }
.start h2 { max-width: 810px; margin: 0; font-size: clamp(42px, 5.6vw, 76px); letter-spacing: -.065em; line-height: 1.04; }
.button--light { margin-top: 38px; background: white; color: var(--ink); }
.start small { margin-top: 16px; color: #91a0ad; font-size: 10px; }

.site-footer { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 32px; min-height: 110px; padding: 24px max(24px, calc((100vw - 1180px) / 2)); background: #101d28; color: white; }
.brand--footer img { width: 34px; height: 34px; }
.site-footer p { color: #82919d; font-size: 10px; text-align: center; }
.site-footer nav { justify-self: end; color: #bdc8d0; }

@keyframes hero-enter {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes workspace-enter {
  from { opacity: 0; }
  to { opacity: 1; }
}

.hero-copy { animation: hero-enter 520ms cubic-bezier(.2, .8, .2, 1) both; }
.workspace-demo { animation: workspace-enter 640ms 90ms cubic-bezier(.2, .8, .2, 1) both; }

@media (max-width: 1100px) {
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 76px; }
  .hero-copy { max-width: 760px; }
  .workspace-demo { grid-template-columns: 58px 210px minmax(360px, 1fr); width: 100%; transform: none; }
  .problem, .advantages { gap: 55px; }
  .feature-group { grid-template-columns: 270px minmax(0, 1fr); }
  .feature-group > header { padding-right: 32px; }
  .workflow-line article { grid-template-columns: 80px 1fr 310px; gap: 28px; }
  .showcase-main { grid-template-columns: 1fr; }
  .floating-app { width: 330px; }
}

@media (max-width: 820px) {
  :root { --content: min(calc(100% - 32px), 680px); }
  .site-header { grid-template-columns: 1fr auto; min-height: 66px; padding-inline: 16px; }
  .site-header nav { display: none; }
  .brand img { width: 34px; height: 34px; }
  .hero { gap: 54px; padding: 64px 0 72px; }
  .hero h1 { font-size: clamp(50px, 15vw, 76px); }
  .workspace-demo { grid-template-columns: 52px 180px minmax(330px, 1fr); grid-template-rows: 450px 30px; width: 760px; transform: scale(.84); transform-origin: left top; margin-bottom: -90px; }
  .problem, .advantages { grid-template-columns: 1fr; gap: 48px; padding: 94px 0; }
  .problem-list article { grid-template-columns: 90px 1fr; }
  .problem-list strong { grid-column: 2; text-align: left; }
  .workflow { padding-block: 96px; }
  .section-heading--wide { grid-template-columns: 1fr; gap: 22px; margin-bottom: 54px; }
  .workflow-line article { grid-template-columns: 70px 1fr; }
  .capability-visual { grid-column: 2; width: 100%; }
  .feature-map { padding-block: 96px; }
  .section-heading--feature-map { grid-template-columns: 1fr; gap: 24px; margin-bottom: 54px; }
  .feature-group { grid-template-columns: 1fr; }
  .feature-group > header { padding: 38px 0; }
  .feature-group > header > span { margin-bottom: 25px; }
  .feature-items { border-top: 1px solid var(--line); border-left: 0; }
  .showcase { padding: 96px 0; }
  .showcase-stage { grid-template-columns: 1fr; }
  .showcase-stage article { min-height: 470px; }
  .showcase-main { padding: 38px; }
  .floating-app { right: 36px; }
  .section-heading--sticky { position: static; }
  .boundaries { grid-template-columns: 1fr; gap: 48px; padding-block: 96px; }
  .site-footer { grid-template-columns: 1fr; justify-items: center; padding-block: 36px; }
  .site-footer .brand, .site-footer nav { justify-self: center; }
}

@media (max-width: 560px) {
  .header-cta { padding: 10px 13px; }
  .hero { overflow: hidden; }
  .hero-kicker { align-items: flex-start; line-height: 1.5; }
  .hero h1 { font-size: clamp(48px, 16vw, 68px); }
  .hero-summary { font-size: 16px; line-height: 1.75; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .hero-facts { display: grid; grid-template-columns: 1fr 1fr; }
  .workspace-demo {
    grid-template-columns: 48px minmax(0, 1fr);
    grid-template-rows: 430px 30px;
    width: 100%;
    margin-bottom: 0;
    transform: none;
  }
  .demo-dialogs { display: none; }
  .demo-conversation { grid-column: 2; }
  .demo-account-rail { gap: 9px; padding-inline: 6px; }
  .demo-account-rail > img, .demo-avatar, .demo-add { width: 34px; height: 34px; }
  .demo-conversation > header { gap: 7px; padding-inline: 10px; }
  .demo-conversation > header .dialog-avatar { width: 32px; height: 32px; }
  .ai-status { display: none; }
  .demo-messages { padding: 18px 12px; }
  .message { max-width: 92%; }
  .demo-statusbar span:nth-child(n+3) { display: none; }
  .section-heading h2 { font-size: 42px; }
  .problem-list article { grid-template-columns: 1fr; gap: 10px; padding: 24px 0; }
  .problem-list strong { grid-column: 1; margin-top: 4px; }
  .workflow { padding-inline: 16px; }
  .workflow-line article { grid-template-columns: 1fr; min-height: 0; padding: 38px 0; }
  .workflow-index { padding: 0; }
  .capability-visual { grid-column: 1; min-height: 104px; }
  .account-stack > span { width: 72px; height: 72px; }
  .feature-map { padding-inline: 16px; }
  .feature-items { grid-template-columns: 1fr; }
  .feature-items > div { min-height: 0; padding: 29px 0; border-right: 0; }
  .feature-items > div:nth-last-child(2) { border-bottom: 1px solid var(--line); }
  .feature-items small { margin-top: 24px; padding-top: 0; }
  .showcase > .section-heading { grid-template-columns: 1fr; }
  .showcase-stage article { min-height: 520px; }
  .showcase-main, .showcase-side { padding: 30px 24px; }
  .floating-app { right: 20px; bottom: -38px; width: calc(100% - 40px); min-width: 0; }
  .advantage-list article { grid-template-columns: 38px 1fr; gap: 12px; }
  .boundaries { padding-inline: 16px; }
  .boundary-list article { grid-template-columns: 1fr; gap: 8px; padding: 23px 0; }
  .start { min-height: 520px; }
  .site-footer nav { gap: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
