:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-soft: #edf3ff;
  --ink: #0d1422;
  --muted: #667085;
  --line: #d6dce7;
  --line-strong: #bac4d4;
  --blue: #1557ff;
  --blue-dark: #0a42d9;
  --success: #16a365;
  --radius: 18px;
  --shadow: 0 24px 80px rgba(32, 49, 82, .12);
  --shell: min(1360px, calc(100vw - 48px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
img, video { max-width: 100%; display: block; }
.shell { width: var(--shell); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 100; background: var(--ink); color: white; padding: 10px 16px; border-radius: 8px; }
.skip-link:focus { top: 16px; }

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 30;
  border-bottom: 1px solid transparent;
  transition: background .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.site-header.scrolled { background: rgba(246, 247, 249, .88); backdrop-filter: blur(18px); border-color: rgba(186, 196, 212, .75); box-shadow: 0 8px 30px rgba(32, 49, 82, .06); }
.header-inner { height: 76px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 36px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 750; letter-spacing: -.02em; width: max-content; }
.brand-mark { position: relative; width: 28px; height: 25px; display: block; }
.brand-mark i { position: absolute; width: 8px; height: 18px; border-radius: 8px; background: var(--blue); transform: rotate(42deg); }
.brand-mark i:nth-child(1) { left: 2px; top: 4px; }
.brand-mark i:nth-child(2) { left: 11px; top: 0; }
.brand-mark i:nth-child(3) { left: 18px; top: 7px; height: 13px; }
.site-nav { display: flex; align-items: center; gap: 34px; font-size: 14px; }
.site-nav a, .site-footer nav a { color: #283142; transition: color .2s ease; }
.site-nav a:hover, .site-footer nav a:hover { color: var(--blue); }
.header-cta { justify-self: end; }
.menu-toggle { display: none; }

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid var(--blue);
  border-radius: 10px;
  padding: 0 24px;
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}
.button:hover { background: var(--blue-dark); box-shadow: 0 12px 30px rgba(21, 87, 255, .2); transform: translateY(-2px); }
.button:active { transform: translateY(1px) scale(.99); }
.button-small { min-height: 44px; padding-inline: 20px; font-size: 14px; }
.button-secondary { color: var(--blue); background: transparent; }
.button-secondary:hover { color: #fff; }
.button-light { background: #fff; color: var(--blue); border-color: #fff; }
.button-light:hover { background: #eef3ff; color: var(--blue-dark); }
.play { font-size: 12px; }

.hero {
  min-height: 100dvh;
  padding-top: 110px;
  background-color: var(--bg);
  background-image: linear-gradient(rgba(190, 199, 215, .16) 1px, transparent 1px), linear-gradient(90deg, rgba(190, 199, 215, .16) 1px, transparent 1px);
  background-size: 120px 120px;
  overflow: hidden;
}
.hero-inner { text-align: center; }
.eyebrow { margin: 0 0 18px; color: #6b7891; font-size: 11px; font-weight: 750; letter-spacing: .34em; text-transform: uppercase; }
.hero h1 { max-width: 1030px; margin: 0 auto; font-size: clamp(46px, 6vw, 86px); line-height: .98; letter-spacing: -.065em; font-weight: 500; }
.hero-copy { max-width: 760px; margin: 24px auto 0; color: var(--muted); font-size: clamp(17px, 1.6vw, 22px); line-height: 1.45; }
.hero-actions { display: flex; justify-content: center; gap: 14px; margin-top: 26px; }

.chat-window { width: min(1110px, 100%); height: 470px; margin: 42px auto 0; display: grid; grid-template-columns: 250px 1fr; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius) var(--radius) 0 0; background: rgba(255,255,255,.86); box-shadow: var(--shadow); text-align: left; }
.chat-sidebar { padding: 22px 18px; border-right: 1px solid var(--line); background: rgba(246, 248, 252, .88); }
.chat-sidebar-top { display: flex; justify-content: space-between; align-items: center; }
.chat-app-icon { width: 24px; height: 24px; border: 2px solid #59677e; border-radius: 7px; }
.chat-sidebar-top button { border: 0; background: transparent; font-size: 24px; cursor: pointer; }
.chat-new { margin-top: 20px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 9px; background: white; font-weight: 650; }
.chat-label { margin: 24px 10px 8px; color: #8792a5; font-size: 12px; }
.chat-sidebar ul { list-style: none; margin: 0; padding: 0; }
.chat-sidebar li { padding: 9px 11px; border-radius: 8px; color: #536078; font-size: 14px; }
.chat-sidebar li.active { color: var(--ink); background: #e9effd; }
.chat-main { position: relative; padding: 18px 28px 72px; min-width: 0; }
.chat-toolbar { display: flex; justify-content: space-between; align-items: center; }
.chat-toolbar button { border: 1px solid var(--line); background: white; padding: 8px 12px; border-radius: 8px; }
.user-dot { width: 31px; height: 31px; border-radius: 50%; background: #e8edf5; }
.message { border-radius: 13px; font-size: 14px; }
.message-user { width: max-content; max-width: 74%; margin: 22px 0 18px auto; padding: 12px 16px; background: #e8f0ff; }
.message-agent { display: grid; grid-template-columns: 34px 1fr; gap: 10px; align-items: start; }
.agent-dot { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 9px; color: var(--blue); background: #eef3ff; }
.message-agent p { margin: 5px 0 12px; }
.data-table { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: #fff; }
.table-row { display: grid; grid-template-columns: 1.8fr .7fr .7fr; border-top: 1px solid #e6eaf0; }
.table-row:first-child { border-top: 0; }
.table-row span { padding: 7px 10px; border-right: 1px solid #e6eaf0; font-size: 12px; }
.table-row span:last-child { border-right: 0; }
.table-head { color: #788398; background: #f7f8fa; }
.confirm-row { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-top: 10px; padding: 10px 10px 10px 14px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.confirm-row button, .action-dialog button { border: 1px solid var(--blue); border-radius: 8px; padding: 9px 16px; background: var(--blue); color: #fff; font-weight: 700; cursor: pointer; }
.chat-compose { position: absolute; left: 28px; right: 28px; bottom: 18px; min-height: 48px; display: flex; align-items: center; gap: 14px; padding: 6px 7px 6px 12px; border: 1px solid var(--line); border-radius: 12px; background: #fff; color: #9aa3b1; font-size: 13px; }
.connection { display: inline-flex; align-items: center; gap: 6px; color: #4d596b; white-space: nowrap; }
.connection i { width: 7px; height: 7px; border-radius: 50%; background: var(--success); }
.chat-compose button { width: 34px; height: 34px; margin-left: auto; border: 0; border-radius: 8px; background: var(--blue); color: #fff; cursor: pointer; }
.benefit-strip { background: #fff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.benefit-list { min-height: 72px; display: grid; grid-template-columns: repeat(4, 1fr); align-items: center; }
.benefit-list span { padding: 0 22px; border-left: 1px solid var(--line); font-size: 13px; text-align: center; }
.benefit-list span:first-child { border-left: 0; }

.section { padding: 120px 0; }
.section-heading { max-width: 900px; margin-bottom: 54px; }
.section-heading h2 { margin: 0; font-size: clamp(40px, 5.2vw, 72px); line-height: 1.02; letter-spacing: -.055em; font-weight: 550; }
.section-heading h2 span { color: var(--blue); }
.section-heading > p:last-child { max-width: 700px; margin: 20px 0 0; color: var(--muted); font-size: 19px; line-height: 1.55; }
.compact-heading { max-width: 920px; }

.demos { background: #fff; }
.demo-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 26px; align-items: start; }
.demo-stack { display: grid; gap: 24px; }
.demo-card h3 { margin: 14px 0 0; font-size: 18px; letter-spacing: -.02em; }
.video-placeholder { position: relative; width: 100%; height: 490px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, #f8faff, #eaf0fb); cursor: pointer; text-align: left; }
.video-placeholder.compact { height: 210px; }
.video-ui { position: absolute; inset: 10% 7%; display: grid; align-content: start; gap: 16px; padding: 28px; border: 1px solid #cbd5e5; border-radius: 13px; background: rgba(255,255,255,.8); color: #344054; }
.video-placeholder.compact .video-ui { padding: 18px; gap: 10px; }
.video-question { justify-self: end; padding: 9px 12px; border-radius: 9px; background: #e8f0ff; font-size: 13px; }
.video-answer { max-width: 75%; padding: 11px 12px; border-radius: 9px; background: #f3f5f8; font-size: 13px; }
.video-play { position: absolute; inset: 50% auto auto 50%; transform: translate(-50%, -50%); width: 58px; height: 58px; display: grid; place-items: center; border-radius: 50%; background: rgba(13,20,34,.86); color: white; padding-left: 3px; }
.video-time { position: absolute; left: 15px; bottom: 14px; padding: 5px 8px; border-radius: 6px; background: rgba(13,20,34,.84); color: white; font-size: 12px; }
.mini-chart, .mini-bars { height: 120px; display: flex; align-items: end; justify-content: space-around; gap: 12px; padding: 16px; border: 1px solid var(--line); background: #fff; }
.mini-chart i, .mini-bars i { width: 10%; background: linear-gradient(var(--blue), #9bb8ff); border-radius: 3px 3px 0 0; }
.mini-chart i:nth-child(1), .mini-bars i:nth-child(1) { height: 28%; }.mini-chart i:nth-child(2), .mini-bars i:nth-child(2) { height: 52%; }.mini-chart i:nth-child(3), .mini-bars i:nth-child(3) { height: 38%; }.mini-chart i:nth-child(4), .mini-bars i:nth-child(4) { height: 74%; }.mini-chart i:nth-child(5), .mini-bars i:nth-child(5) { height: 62%; }.mini-bars i:nth-child(6) { height: 90%; }
.video-placeholder.compact .mini-bars { height: 76px; padding: 8px; }

.connection-section { background-image: linear-gradient(rgba(190, 199, 215, .14) 1px, transparent 1px), linear-gradient(90deg, rgba(190, 199, 215, .14) 1px, transparent 1px); background-size: 110px 110px; }
.connection-flow { display: grid; grid-template-columns: 1fr 140px 1fr 140px 1fr; align-items: center; margin: 72px 0; }
.flow-node { min-height: 190px; display: grid; place-items: center; align-content: center; gap: 8px; padding: 24px; border: 1px solid var(--line-strong); border-radius: var(--radius); background: rgba(255,255,255,.78); box-shadow: 0 16px 50px rgba(32,49,82,.07); text-align: center; }
.flow-node.emphasized { border-color: #8babff; background: #f0f5ff; }
.flow-node strong { font-size: 20px; }
.flow-node small { color: var(--muted); }
.node-glyph { width: 58px; height: 58px; display: grid; place-items: center; border-radius: 14px; background: var(--blue); color: white; font-size: 14px; font-weight: 800; letter-spacing: .04em; }
.flow-line { position: relative; height: 2px; background: #7da2ff; }
.flow-line::after { content: ""; position: absolute; right: -2px; top: -4px; width: 8px; height: 8px; border-top: 2px solid var(--blue); border-right: 2px solid var(--blue); transform: rotate(45deg); }
.flow-line i { position: absolute; left: 45%; top: -3px; width: 8px; height: 8px; border-radius: 50%; background: var(--blue); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line-strong); }
.steps li { padding: 30px 28px 0 0; }
.steps li + li { padding-left: 28px; border-left: 1px solid var(--line); }
.steps span, .control-benefits span, .security-points span { color: var(--blue); font-size: 26px; font-weight: 500; }
.steps h3, .control-benefits h3, .security-points h3 { margin: 14px 0 8px; font-size: 20px; line-height: 1.2; }
.steps p, .control-benefits p, .security-points p { margin: 0; color: var(--muted); }
.compatibility { display: flex; align-items: center; gap: 22px; width: max-content; max-width: 100%; margin: 70px 0 0 auto; padding: 20px 24px; border: 1px solid var(--line); border-radius: var(--radius); background: white; }
.erp-logo { min-width: 70px; font-size: 30px; font-weight: 850; text-align: center; }
.one-c { color: #e72b2b; }.bas { color: var(--blue); }
.compatibility p { max-width: 330px; margin: 0; color: var(--muted); }

.control-section { background: #fff; }
.control-shell { display: grid; grid-template-columns: 210px 1fr 250px; min-height: 520px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: #fff; box-shadow: var(--shadow); }
.control-chats, .activity-log { padding: 26px 20px; background: #f7f8fa; }
.control-chats { display: flex; flex-direction: column; gap: 9px; border-right: 1px solid var(--line); }
.control-chats strong, .activity-log > strong { margin-bottom: 14px; font-size: 18px; }
.control-chats span { padding: 11px 10px; border-radius: 8px; color: #667085; font-size: 13px; }
.control-chats .selected { background: #e9f0ff; color: var(--ink); }
.control-conversation { padding: 34px; }
.control-conversation .message-user { margin-top: 0; }
.permission-card { margin: 20px 0; padding: 22px; border: 1px solid var(--line); border-radius: 12px; background: #f8fafc; }
.permission-card > p:first-child { margin-top: 0; }
.permission-card > div { display: flex; justify-content: space-between; gap: 20px; margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line); }
.permission-card > div span { color: var(--blue); font-size: 12px; }
.permission-card ul { margin: 9px 0; padding-left: 20px; color: var(--muted); font-size: 14px; }
.action-dialog { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 18px; border: 1px solid #9bb6ff; border-radius: 12px; background: #fff; box-shadow: 0 16px 50px rgba(21,87,255,.1); }
.action-dialog small { display: block; margin-top: 3px; color: var(--muted); }
.action-dialog > div:last-child { display: flex; gap: 8px; }
.action-dialog .ghost-action { background: #fff; color: #374151; border-color: var(--line); }
.activity-log { border-left: 1px solid var(--line); }
.activity-log ol { list-style: none; margin: 14px 0 0; padding: 0; }
.activity-log li { position: relative; display: grid; grid-template-columns: 12px 1fr; gap: 4px 10px; padding-bottom: 30px; }
.activity-log li::before { content: ""; position: absolute; left: 5px; top: 12px; bottom: 0; width: 1px; background: #cbd4e2; }
.activity-log li:last-child::before { display: none; }
.activity-log li > span { width: 11px; height: 11px; margin-top: 5px; border-radius: 50%; background: var(--blue); z-index: 1; }
.activity-log b { font-size: 13px; }
.activity-log small { grid-column: 2; color: var(--muted); }
.control-benefits { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 30px; border-top: 1px solid var(--line); }
.control-benefits > div { padding: 28px 28px 0 0; }
.control-benefits > div + div { padding-left: 28px; border-left: 1px solid var(--line); }

.testimonials-section { background: #f3f5f8; }
.testimonials-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 20px; }
.testimonial-stack { display: grid; gap: 20px; }
.testimonial { margin: 0; padding: 34px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.testimonial-main { min-height: 430px; display: flex; flex-direction: column; justify-content: space-between; }
.quote-mark { color: var(--blue); font-size: 70px; line-height: .8; font-weight: 800; }
.testimonial p { margin: 22px 0 42px; font-size: 22px; line-height: 1.3; letter-spacing: -.025em; }
.testimonial-main p { font-size: clamp(28px, 3vw, 44px); }
.testimonial footer { display: flex; flex-direction: column; gap: 3px; }
.testimonial footer span { color: var(--muted); }

.pilot-section { background: #fff; }
.pilot-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 90px 110px; align-items: start; }
.pilot-grid .section-heading { margin: 0; }
.pilot-path { list-style: none; margin: 0; padding: 0; }
.pilot-path li { display: grid; grid-template-columns: 80px 1fr; gap: 24px; padding: 34px 0; border-top: 1px solid var(--line); }
.pilot-path li:last-child { border-bottom: 1px solid var(--line); }
.pilot-path > li > span { color: var(--blue); font-size: 48px; font-weight: 300; line-height: 1; }
.pilot-path h3 { margin: 0 0 8px; font-size: 26px; }
.pilot-path p { margin: 0; color: var(--muted); }
.pilot-cta { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 38px 42px; border-radius: var(--radius); background: var(--blue); color: #fff; }
.pilot-cta p { margin: 0; max-width: 570px; font-size: 18px; }

.security-section { background-image: linear-gradient(rgba(190, 199, 215, .14) 1px, transparent 1px), linear-gradient(90deg, rgba(190, 199, 215, .14) 1px, transparent 1px); background-size: 110px 110px; }
.security-flow { display: grid; grid-template-columns: 1fr 1.1fr 1fr 1.1fr 1fr; align-items: center; margin: 72px 0 90px; }
.security-node { min-height: 140px; display: grid; place-items: center; align-content: center; gap: 10px; border: 1px solid #9eb6ed; border-radius: var(--radius); background: rgba(255,255,255,.82); text-align: center; }
.security-node span { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 12px; background: #edf3ff; color: var(--blue); font-size: 12px; font-weight: 800; }
.security-node.primary { background: #eef4ff; }
.secure-link { position: relative; height: 2px; background: #7ca1ff; }
.secure-link::after { content: ""; position: absolute; right: -2px; top: -4px; width: 8px; height: 8px; border-top: 2px solid var(--blue); border-right: 2px solid var(--blue); transform: rotate(45deg); }
.secure-link i { position: absolute; left: 50%; top: -3px; width: 8px; height: 8px; border-radius: 50%; background: var(--blue); }
.secure-link small { position: absolute; left: 50%; bottom: 15px; transform: translateX(-50%); width: 150px; color: var(--muted); text-align: center; }
.security-points { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line-strong); }
.security-points article { padding: 28px 28px 0 0; }
.security-points article + article { padding-left: 28px; border-left: 1px solid var(--line); }

.faq-section { background: #fff; }
.faq-grid { display: grid; grid-template-columns: .62fr 1.38fr; gap: 100px; }
.faq-grid .section-heading { align-self: start; }
.accordion { border-top: 1px solid var(--line-strong); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item button { width: 100%; min-height: 92px; display: flex; justify-content: space-between; align-items: center; gap: 20px; border: 0; background: transparent; font-size: clamp(20px, 2.2vw, 30px); text-align: left; cursor: pointer; }
.faq-item button i { position: relative; width: 20px; height: 20px; flex: 0 0 20px; }
.faq-item button i::before, .faq-item button i::after { content: ""; position: absolute; top: 9px; left: 0; width: 20px; height: 2px; background: var(--blue); transition: transform .2s ease; }
.faq-item button i::after { transform: rotate(90deg); }
.faq-item.open button i::after { transform: rotate(0); }
.faq-answer { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .3s ease; }
.faq-answer p { overflow: hidden; margin: 0; color: var(--muted); font-size: 17px; max-width: 720px; }
.faq-item.open .faq-answer { grid-template-rows: 1fr; }
.faq-item.open .faq-answer p { padding-bottom: 28px; }

.contact-section { padding: 100px 0; background: #fff; }
.contact-grid { display: grid; grid-template-columns: 1.15fr .85fr; border: 1px solid var(--line); border-radius: 22px; overflow: hidden; }
.contact-message { min-height: 650px; display: flex; flex-direction: column; padding: clamp(36px, 5vw, 76px); background: var(--blue); color: #fff; }
.contact-message .eyebrow { color: #dbe5ff; }
.contact-message h2 { max-width: 680px; margin: 0; font-size: clamp(42px, 5vw, 70px); line-height: 1.02; letter-spacing: -.055em; font-weight: 520; }
.contact-message > p:not(.eyebrow) { max-width: 620px; margin: 28px 0 0; color: #e3ebff; font-size: 19px; }
.contact-trust { display: flex; gap: 22px; margin-top: auto; padding-top: 40px; border-top: 1px solid rgba(255,255,255,.28); }
.contact-trust span { flex: 1; font-size: 13px; }
.contact-form { padding: clamp(36px, 4vw, 64px); background: #f9fafc; }
.contact-form h3 { margin: 0 0 30px; font-size: 24px; }
.contact-form label { display: grid; gap: 8px; margin-bottom: 18px; color: #4b5565; font-size: 13px; font-weight: 700; }
.contact-form input, .contact-form textarea { width: 100%; border: 1px solid var(--line-strong); border-radius: 10px; padding: 14px 15px; background: #fff; color: var(--ink); outline: none; resize: vertical; transition: border-color .2s ease, box-shadow .2s ease; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 4px rgba(21,87,255,.12); }
.contact-form .button { width: 100%; margin-top: 8px; }
.contact-form small { display: block; margin-top: 14px; color: var(--muted); text-align: center; }
.form-error { margin: 0 0 10px; color: #b42318; font-size: 14px; }

.site-footer { padding: 58px 0 24px; border-top: 1px solid var(--line); background: #f3f5f8; }
.footer-grid { display: grid; grid-template-columns: 1.3fr .9fr .7fr; gap: 60px; align-items: start; }
.footer-grid > div:first-child p { max-width: 390px; margin: 14px 0 0; color: var(--muted); }
.site-footer nav { display: grid; grid-template-columns: repeat(2, max-content); gap: 13px 34px; font-size: 14px; }
.footer-contact { display: flex; flex-direction: column; gap: 9px; text-align: right; }
.footer-contact a { color: var(--blue); font-weight: 700; }
.footer-contact span { color: var(--muted); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.75,.2,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 1000px) {
  :root { --shell: min(100% - 32px, 820px); }
  .header-inner { grid-template-columns: 1fr auto auto; gap: 14px; }
  .menu-toggle { width: 42px; height: 42px; display: grid; align-content: center; gap: 6px; border: 1px solid var(--line); border-radius: 9px; background: #fff; cursor: pointer; }
  .menu-toggle span:not(.sr-only) { width: 18px; height: 2px; margin-inline: auto; background: var(--ink); }
  .site-nav { position: fixed; inset: 76px 16px auto; display: grid; gap: 0; padding: 10px; border: 1px solid var(--line); border-radius: 12px; background: #fff; box-shadow: var(--shadow); opacity: 0; transform: translateY(-12px); pointer-events: none; transition: opacity .2s ease, transform .2s ease; }
  .site-nav.open { opacity: 1; transform: none; pointer-events: auto; }
  .site-nav a { padding: 13px 12px; }
  .chat-window { grid-template-columns: 190px 1fr; }
  .benefit-list { grid-template-columns: repeat(2, 1fr); padding: 12px 0; row-gap: 12px; }
  .benefit-list span:nth-child(3) { border-left: 0; }
  .demo-grid, .testimonials-grid, .pilot-grid, .faq-grid, .contact-grid { grid-template-columns: 1fr; }
  .demo-stack { grid-template-columns: repeat(2, 1fr); }
  .connection-flow { grid-template-columns: 1fr 70px 1fr 70px 1fr; }
  .control-shell { grid-template-columns: 180px 1fr; }
  .activity-log { grid-column: 1 / -1; border-left: 0; border-top: 1px solid var(--line); }
  .activity-log ol { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .activity-log li::before { display: none; }
  .pilot-grid .section-heading, .faq-grid .section-heading { position: static; }
  .pilot-cta { grid-column: auto; }
  .security-flow { grid-template-columns: 1fr 70px 1fr 70px 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-contact { grid-column: 1 / -1; text-align: left; }
}

@media (max-width: 700px) {
  :root { --shell: calc(100% - 28px); --radius: 14px; }
  .header-inner { height: 66px; }
  .brand { font-size: 14px; }
  .brand-mark { transform: scale(.84); transform-origin: left center; margin-right: -3px; }
  .header-cta { display: none; }
  .site-nav { top: 66px; }
  .hero { padding-top: 96px; background-size: 64px 64px; }
  .hero h1 { max-width: 370px; font-size: clamp(30px, 8.2vw, 34px); line-height: 1.02; }
  .hero h1 br { display: none; }
  .hero-copy { font-size: 17px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .chat-window { height: 450px; grid-template-columns: 1fr; margin-top: 34px; }
  .chat-sidebar { display: none; }
  .chat-main { padding: 15px 14px 68px; }
  .message-user { max-width: 92%; }
  .table-row { grid-template-columns: 1.55fr .65fr .65fr; }
  .table-row span { padding: 6px; font-size: 10px; }
  .confirm-row { align-items: flex-start; flex-direction: column; }
  .confirm-row button { width: 100%; }
  .chat-compose { left: 12px; right: 12px; }
  .chat-compose > span:nth-child(2) { display: none; }
  .benefit-list { grid-template-columns: 1fr; padding: 8px 0; }
  .benefit-list span { padding: 10px; border-left: 0; border-top: 1px solid var(--line); }
  .benefit-list span:first-child { border-top: 0; }
  .section { padding: 82px 0; }
  .section-heading { margin-bottom: 40px; }
  .section-heading h2 { font-size: 39px; }
  .section-heading > p:last-child { font-size: 17px; }
  .demo-stack { grid-template-columns: 1fr; }
  .video-placeholder, .video-placeholder.compact { height: 300px; }
  .connection-flow { grid-template-columns: 1fr; gap: 34px; }
  .flow-line { width: 2px; height: 34px; margin: -34px auto; }
  .flow-line::after { right: -4px; top: auto; bottom: -2px; transform: rotate(135deg); }
  .flow-line i { left: -3px; top: 45%; }
  .steps, .control-benefits, .security-points { grid-template-columns: 1fr; }
  .steps li, .control-benefits > div, .security-points article { padding: 24px 0; border-top: 1px solid var(--line); }
  .steps li + li, .control-benefits > div + div, .security-points article + article { padding-left: 0; border-left: 0; }
  .compatibility { width: 100%; flex-wrap: wrap; margin-top: 40px; }
  .compatibility p { flex-basis: 100%; }
  .control-shell { grid-template-columns: 1fr; }
  .control-chats { display: none; }
  .control-conversation { padding: 16px; }
  .action-dialog { align-items: stretch; flex-direction: column; }
  .action-dialog > div:last-child button { flex: 1; }
  .activity-log { padding: 22px 16px; }
  .activity-log ol { grid-template-columns: 1fr; }
  .testimonial-main { min-height: 340px; }
  .testimonial-main p { font-size: 28px; }
  .pilot-path li { grid-template-columns: 58px 1fr; }
  .pilot-path > li > span { font-size: 38px; }
  .pilot-cta { align-items: stretch; flex-direction: column; padding: 28px 22px; }
  .security-flow { grid-template-columns: 1fr; gap: 56px; margin: 60px 0; }
  .secure-link { width: 2px; height: 56px; margin: -56px auto; }
  .secure-link::after { right: -4px; top: auto; bottom: -2px; transform: rotate(135deg); }
  .secure-link i { left: -3px; top: 45%; }
  .secure-link small { left: 18px; bottom: 18px; transform: none; text-align: left; }
  .faq-item button { min-height: 76px; font-size: 20px; }
  .contact-section { padding: 70px 0; }
  .contact-message { min-height: 520px; }
  .contact-trust { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; gap: 38px; }
  .footer-contact { grid-column: auto; }
  .footer-bottom { flex-direction: column; }
}