:root {
  color: #151c28;
  background: #f7f9fd;
  font-family: "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-synthesis: none;
  --blue: #2167ed;
  --blue-strong: #1558d8;
  --blue-soft: #edf4ff;
  --green: #16ad67;
  --ink: #151c28;
  --muted: #6f7a8d;
  --line: #e2e8f1;
  --surface: #ffffff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 0; overflow-x: hidden; background: #f7f9fd; color: var(--ink); }
a { color: inherit; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible { outline: 3px solid rgba(33, 103, 237, 0.26); outline-offset: 3px; }
.icon { width: 22px; height: 22px; display: block; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.skip-link { position: fixed; top: 8px; left: 8px; padding: 10px 14px; border-radius: 10px; background: #101722; color: #fff; font-weight: 700; transform: translateY(-150%); z-index: 100; }
.skip-link:focus { transform: translateY(0); }
.brand-mark { width: 44px; height: 44px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 14px; background: var(--blue); color: #fff; font-size: 22px; font-weight: 800; letter-spacing: -0.04em; box-shadow: 0 8px 22px rgba(33, 103, 237, 0.22); }
.brand-mark.small { width: 34px; height: 34px; border-radius: 11px; font-size: 17px; box-shadow: none; }
.brand-mark.tiny { width: 27px; height: 27px; border-radius: 9px; font-size: 13px; box-shadow: none; }
.eyebrow { color: var(--blue); font-size: 11px; font-weight: 800; letter-spacing: 0.15em; text-transform: uppercase; }

.site-header {
  width: min(calc(100% - 40px), 1200px);
  min-height: 86px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 28px;
}
.site-brand { display: inline-flex; align-items: center; gap: 11px; justify-self: start; font-size: 16px; font-weight: 760; text-decoration: none; }
.site-header nav { display: flex; align-items: center; gap: 30px; }
.site-header nav a { color: #5d687a; font-size: 13px; font-weight: 650; text-decoration: none; }
.site-header nav a:hover { color: var(--blue); }
.header-login { min-height: 44px; padding: 0 18px; display: inline-flex; align-items: center; justify-self: end; border: 1px solid #d7e2f7; border-radius: 14px; background: #fff; color: var(--blue); font-size: 13px; font-weight: 750; text-decoration: none; box-shadow: 0 6px 18px rgba(27, 42, 68, 0.05); }

main { overflow: clip; }
.hero { width: min(calc(100% - 40px), 1200px); min-height: 650px; margin: 0 auto; padding: 64px 0 74px; display: grid; grid-template-columns: minmax(0, 0.88fr) minmax(520px, 1.12fr); align-items: center; gap: clamp(44px, 7vw, 92px); }
.hero-copy .eyebrow { display: inline-flex; align-items: center; gap: 8px; }
.hero-copy .eyebrow i { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(22, 173, 103, 0.1); }
.hero-copy h1 { max-width: 620px; margin: 19px 0 0; font-size: clamp(48px, 5vw, 72px); line-height: 0.99; letter-spacing: -0.058em; }
.hero-lead { max-width: 570px; margin: 25px 0 0; color: #5c687b; font-size: 18px; line-height: 1.62; }
.hero-actions { margin-top: 34px; display: flex; align-items: center; gap: 22px; }
.primary-action, .light-action { min-height: 54px; padding: 0 21px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; border-radius: 17px; background: var(--blue); color: #fff; font-size: 14px; font-weight: 750; text-decoration: none; box-shadow: 0 10px 25px rgba(33, 103, 237, 0.21); }
.primary-action:hover { background: var(--blue-strong); }
.primary-action .icon, .light-action .icon { width: 19px; height: 19px; }
.text-action { min-height: 44px; display: inline-flex; align-items: center; color: #4f5b6d; font-size: 13px; font-weight: 700; text-underline-offset: 4px; }
.hero-note { margin: 24px 0 0; display: flex; align-items: center; gap: 8px; color: #7a8494; font-size: 11px; }
.hero-note .icon { width: 18px; height: 18px; color: var(--green); }

.product-stage { position: relative; min-width: 0; padding: 34px 0 36px; }
.product-stage::before { content: ""; position: absolute; inset: 4% -18% 0 -8%; border-radius: 50%; background: radial-gradient(circle, rgba(33, 103, 237, 0.15), rgba(33, 103, 237, 0) 69%); }
.stage-orbit { position: absolute; border: 1px solid rgba(33, 103, 237, 0.12); border-radius: 50%; }
.stage-orbit::after { content: ""; position: absolute; width: 9px; height: 9px; border-radius: 50%; background: #42db8a; box-shadow: 0 0 14px rgba(66, 219, 138, 0.65); }
.stage-orbit.orbit-large { width: 410px; height: 410px; right: -145px; top: -65px; }
.stage-orbit.orbit-large::after { left: 58px; bottom: 60px; }
.stage-orbit.orbit-small { width: 230px; height: 230px; left: -90px; bottom: -30px; }
.stage-orbit.orbit-small::after { right: 34px; top: 22px; }
.product-window { position: relative; min-height: 500px; display: grid; grid-template-columns: 188px minmax(0, 1fr); overflow: hidden; border: 1px solid rgba(214, 223, 237, 0.95); border-radius: 27px; background: #f8fafc; box-shadow: 0 32px 80px rgba(28, 45, 75, 0.18); transform: rotate(0.7deg); z-index: 1; }
.window-sidebar { padding: 20px 13px; display: flex; flex-direction: column; border-right: 1px solid var(--line); background: rgba(255, 255, 255, 0.98); }
.window-brand { display: flex; align-items: center; gap: 8px; font-size: 11px; }
.window-status { margin: 13px 5px 0; display: flex; align-items: center; gap: 6px; color: var(--green); font-size: 9px; }
.window-status i, .online-pill i { width: 7px; height: 7px; display: block; border-radius: 50%; background: var(--green); }
.window-label { margin: 29px 8px 9px; color: #9aa2af; font-size: 8px; font-weight: 800; letter-spacing: 0.13em; text-transform: uppercase; }
.window-chat, .window-nav { width: 100%; border: 0; background: transparent; color: #727d8d; text-align: left; }
.window-chat { min-height: 52px; padding: 8px 9px; display: flex; align-items: center; gap: 8px; border-radius: 12px; }
.window-chat.active { background: var(--blue-soft); color: var(--blue); }
.window-chat > .icon { width: 17px; height: 17px; }
.window-chat > span { min-width: 0; margin-right: auto; display: grid; gap: 3px; color: #273142; font-size: 10px; font-weight: 750; }
.window-chat small { overflow: hidden; color: #9098a6; font-size: 7px; font-weight: 500; text-overflow: ellipsis; white-space: nowrap; }
.window-chat b { width: 18px; height: 18px; display: grid; place-items: center; border-radius: 50%; background: var(--blue); color: #fff; font-size: 8px; }
.window-nav { min-height: 39px; margin-top: 4px; padding: 0 10px; display: flex; align-items: center; gap: 9px; border-radius: 11px; font-size: 9px; }
.window-chat + .window-nav { margin-top: auto; }
.window-nav .icon { width: 17px; height: 17px; }
.window-conversation { min-width: 0; padding: 20px 20px 16px; display: flex; flex-direction: column; }
.window-topline { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.window-topline > div { display: grid; gap: 3px; }
.window-topline span { font-size: 13px; font-weight: 760; }
.window-topline small { color: #929baa; font-size: 8px; }
.online-pill { padding: 6px 8px; display: flex; align-items: center; gap: 5px; border-radius: 999px; background: #eaf8f1; color: var(--green); font-size: 8px !important; }
.window-date { margin: 27px 0 17px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 8px; color: #a0a8b4; font-size: 8px; }
.window-date::before, .window-date::after { content: ""; height: 1px; background: var(--line); }
.preview-user { max-width: 82%; margin-left: auto; padding: 12px 13px 8px; display: grid; justify-items: end; gap: 5px; border-radius: 17px 17px 5px 17px; background: var(--blue); color: #fff; font-size: 10px; line-height: 1.4; box-shadow: 0 7px 15px rgba(33, 103, 237, 0.16); }
.preview-user time { color: rgba(255, 255, 255, 0.72); font-size: 7px; }
.preview-answer { margin-top: 16px; }
.preview-answer header { display: flex; align-items: center; gap: 8px; color: #6f7887; }
.preview-answer header strong { margin-right: auto; font-size: 9px; }
.preview-answer header time { font-size: 7px; }
.preview-answer > p { margin: 11px 0 9px; color: #313a49; font-size: 10px; line-height: 1.5; }
.preview-answer ul { margin: 0; padding: 0; display: grid; gap: 7px; list-style: none; }
.preview-answer li { display: flex; align-items: flex-start; gap: 7px; color: #5f697a; font-size: 8px; line-height: 1.35; }
.check-dot { width: 16px; height: 16px; display: block; flex: 0 0 auto; border-radius: 6px; background: #eaf1ff; }
.check-dot.green { background: #e7f8ef; }
.check-dot.violet { background: #f1edff; }
.preview-answer button { width: 100%; min-height: 38px; margin-top: 13px; padding: 0 11px; display: flex; align-items: center; gap: 7px; border: 0; border-radius: 11px; background: var(--blue); color: #fff; font-size: 9px; font-weight: 750; }
.preview-answer button .icon { width: 15px; height: 15px; }
.preview-answer button .icon:last-child { margin-left: auto; }
.preview-composer { min-height: 42px; margin-top: auto; padding: 4px 5px 4px 10px; display: flex; align-items: center; gap: 8px; border: 1px solid var(--line); border-radius: 15px; background: #fff; color: #a0a8b5; font-size: 9px; box-shadow: 0 6px 16px rgba(30, 46, 73, 0.05); }
.preview-composer > .icon { width: 17px; height: 17px; color: #7e8796; }
.preview-composer span { margin-right: auto; }
.preview-composer b { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 11px; background: var(--blue); color: #fff; }
.preview-composer b .icon { width: 16px; height: 16px; }

.trust-strip { width: min(calc(100% - 40px), 1200px); margin: 0 auto; padding: 25px 0; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust-strip > div { padding: 0 30px; display: grid; gap: 5px; border-right: 1px solid var(--line); text-align: center; }
.trust-strip > div:last-child { border-right: 0; }
.trust-strip strong { font-size: 15px; }
.trust-strip span { color: var(--muted); font-size: 11px; }

.section { width: min(calc(100% - 40px), 1200px); margin: 0 auto; }
.section-heading { max-width: 710px; margin: 0 auto 48px; text-align: center; }
.section-heading h2, .steps h2, .security h2, .final-cta h2 { margin: 13px 0 0; font-size: clamp(34px, 4vw, 50px); line-height: 1.08; letter-spacing: -0.045em; }
.section-heading p, .steps-copy > p, .security > div > p { margin: 17px 0 0; color: var(--muted); font-size: 16px; line-height: 1.62; }
.features { padding: 128px 0 116px; }
.feature-grid { display: grid; grid-template-columns: 1.18fr 0.91fr 0.91fr; gap: 18px; }
.feature-card { min-height: 330px; padding: 31px; display: flex; flex-direction: column; overflow: hidden; border: 1px solid var(--line); border-radius: 25px; background: #fff; box-shadow: 0 12px 38px rgba(27, 42, 68, 0.055); }
.feature-card.featured { background: linear-gradient(150deg, #ffffff 35%, #f0f6ff); }
.feature-icon { width: 49px; height: 49px; display: grid; place-items: center; border-radius: 16px; background: var(--blue-soft); color: var(--blue); }
.feature-icon.green { background: #e9f8f0; color: var(--green); }
.feature-icon.violet { background: #f1edff; color: #7459dd; }
.feature-icon .icon { width: 25px; height: 25px; }
.feature-card h3 { margin: 28px 0 0; font-size: 22px; line-height: 1.2; letter-spacing: -0.025em; }
.feature-card p { margin: 12px 0 0; color: var(--muted); font-size: 13px; line-height: 1.58; }
.mini-chats { margin: auto -8px -8px; padding-top: 26px; display: grid; gap: 6px; }
.mini-chats span { min-height: 43px; padding: 0 13px; display: flex; align-items: center; border: 1px solid var(--line); border-radius: 12px; background: rgba(255, 255, 255, 0.84); color: #697386; font-size: 10px; }
.mini-chats span.active { border-color: #cfe0ff; background: #fff; color: #293446; font-weight: 700; box-shadow: 0 6px 18px rgba(27, 42, 68, 0.06); }
.mini-chats i { width: 18px; height: 18px; margin-left: auto; display: grid; place-items: center; border-radius: 50%; background: var(--blue); color: #fff; font-size: 8px; font-style: normal; }

.steps { padding: 96px clamp(34px, 7vw, 88px); display: grid; grid-template-columns: 0.9fr 1.1fr; align-items: center; gap: clamp(54px, 9vw, 120px); border-radius: 34px; background: #101a2b; color: #fff; }
.steps .eyebrow { color: #7fb2ff; }
.steps-copy > p { color: #aeb9ca; }
.steps-copy .primary-action { margin-top: 30px; }
.steps-list { margin: 0; padding: 0; display: grid; list-style: none; }
.steps-list li { position: relative; min-height: 102px; padding: 0 0 28px 66px; display: flex; }
.steps-list li::before { content: ""; position: absolute; top: 48px; bottom: 0; left: 23px; width: 1px; background: #344159; }
.steps-list li:last-child::before { display: none; }
.steps-list li > span { position: absolute; top: 0; left: 0; width: 47px; height: 47px; display: grid; place-items: center; border: 1px solid #3e506e; border-radius: 15px; background: #17253a; color: #8ab8ff; font-size: 15px; font-weight: 800; }
.steps-list strong { font-size: 16px; }
.steps-list p { margin: 7px 0 0; color: #9faabd; font-size: 12px; line-height: 1.5; }

.security { padding: 128px 0; display: grid; grid-template-columns: auto minmax(0, 1fr) minmax(290px, 0.72fr); align-items: center; gap: 34px; }
.security-mark { width: 82px; height: 82px; display: grid; place-items: center; border-radius: 25px; background: #e9f8f0; color: var(--green); }
.security-mark .icon { width: 39px; height: 39px; }
.security h2 { max-width: 650px; font-size: clamp(32px, 3.8vw, 48px); }
.security ul { margin: 0; padding: 28px; display: grid; gap: 17px; border: 1px solid var(--line); border-radius: 23px; background: #fff; list-style: none; box-shadow: 0 12px 38px rgba(27, 42, 68, 0.055); }
.security li { display: flex; align-items: center; gap: 10px; color: #536074; font-size: 12px; }
.security li .icon { width: 18px; height: 18px; color: var(--green); }

.final-cta { width: min(calc(100% - 40px), 1200px); margin: 0 auto 70px; padding: clamp(38px, 6vw, 70px); display: flex; align-items: center; justify-content: space-between; gap: 36px; overflow: hidden; border-radius: 32px; background: linear-gradient(125deg, #1658d8, #2677f0 60%, #16a7e8); color: #fff; box-shadow: 0 28px 60px rgba(33, 103, 237, 0.2); }
.final-cta .eyebrow { color: #bcd7ff; }
.final-cta h2 { font-size: clamp(34px, 4vw, 50px); }
.final-cta p { margin: 14px 0 0; color: rgba(255, 255, 255, 0.78); font-size: 14px; }
.light-action { flex: 0 0 auto; background: #fff; color: var(--blue); box-shadow: 0 10px 30px rgba(4, 36, 92, 0.18); }

footer { width: min(calc(100% - 40px), 1200px); min-height: 100px; margin: 0 auto; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }
footer p { margin: 0; }
footer > span { justify-self: end; }

@media (max-width: 1020px) {
  .hero { grid-template-columns: 1fr; padding-top: 48px; }
  .hero-copy { max-width: 760px; text-align: center; justify-self: center; }
  .hero-copy .eyebrow, .hero-note, .hero-actions { justify-content: center; }
  .hero-copy h1 { max-width: 760px; }
  .hero-lead { margin-right: auto; margin-left: auto; }
  .product-stage { width: min(100%, 720px); justify-self: center; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .feature-card.featured { grid-column: 1 / -1; min-height: 300px; }
  .mini-chats { max-width: 520px; }
  .security { grid-template-columns: auto 1fr; }
  .security ul { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
  .site-header { width: min(calc(100% - 28px), 1200px); min-height: 76px; grid-template-columns: 1fr auto; }
  .site-header nav { display: none; }
  .brand-mark { width: 40px; height: 40px; border-radius: 13px; font-size: 20px; }
  .hero { width: min(calc(100% - 28px), 1200px); min-height: 0; padding: 52px 0 62px; gap: 42px; }
  .hero-copy h1 { font-size: clamp(42px, 12vw, 60px); }
  .hero-lead { font-size: 16px; }
  .product-window { min-height: 500px; grid-template-columns: 1fr; transform: none; }
  .window-sidebar { display: none; }
  .trust-strip { width: min(calc(100% - 28px), 1200px); grid-template-columns: 1fr; }
  .trust-strip > div { padding: 20px; border-right: 0; border-bottom: 1px solid var(--line); }
  .trust-strip > div:last-child { border-bottom: 0; }
  .section { width: min(calc(100% - 28px), 1200px); }
  .features { padding: 90px 0 82px; }
  .section-heading { margin-bottom: 34px; text-align: left; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card.featured { grid-column: auto; }
  .steps { padding: 48px 25px; grid-template-columns: 1fr; gap: 48px; border-radius: 27px; }
  .security { padding: 88px 0; grid-template-columns: 1fr; gap: 24px; }
  .security ul { grid-column: auto; padding: 23px; }
  .final-cta { width: min(calc(100% - 28px), 1200px); margin-bottom: 45px; padding: 40px 25px; display: grid; border-radius: 27px; }
  .light-action { width: 100%; }
  footer { width: min(calc(100% - 28px), 1200px); padding: 26px 0; grid-template-columns: 1fr auto; }
  footer p { display: none; }
}

@media (max-width: 420px) {
  .site-brand { font-size: 14px; }
  .header-login { min-height: 42px; padding: 0 15px; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 10px; }
  .text-action { justify-content: center; }
  .hero-note { align-items: flex-start; text-align: left; }
  .product-stage { padding-top: 10px; }
  .product-window { min-height: 480px; border-radius: 22px; }
  .window-conversation { padding: 17px 15px 14px; }
  .section-heading h2, .steps h2, .security h2, .final-cta h2 { font-size: 34px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
}