:root {
  --ink: #06172b;
  --ink-soft: #0a2340;
  --ink-card: #0d2b4d;
  --sky: #36c8ff;
  --blue: #168bff;
  --indigo: #4656ed;
  --ice: #ecf8ff;
  --text: #d7e7f6;
  --muted: #8eabc5;
  --line: rgba(173, 218, 255, .15);
  --white: #f8fbff;
  --shadow: 0 28px 70px rgba(0, 8, 24, .35);
  --radius: 26px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 84% 2%, rgba(41, 151, 255, .13), transparent 31rem),
    linear-gradient(180deg, #06172b 0%, #061426 50%, #07182d 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .22;
  background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 70%);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
p { line-height: 1.75; }
h1, h2, h3, p { margin-top: 0; }
button, a { -webkit-tap-highlight-color: transparent; }
.shell { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 100; background: white; color: #07182d; padding: 12px 18px; border-radius: 10px; }
.skip-link:focus { top: 16px; }
.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; }

.ambient { position: fixed; pointer-events: none; filter: blur(1px); border-radius: 999px; z-index: -1; }
.ambient-one { width: 420px; height: 420px; right: -190px; top: 27%; border: 1px solid rgba(81, 194, 255, .12); box-shadow: 0 0 120px rgba(24, 139, 255, .08) inset; }
.ambient-two { width: 260px; height: 260px; left: -140px; top: 58%; border: 1px solid rgba(74, 85, 237, .14); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(6, 23, 43, .76);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(173, 218, 255, .08);
}
.nav-wrap { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand img { width: 204px; height: auto; }
#site-nav { display: flex; align-items: center; gap: 34px; color: #a9bfd3; font-size: 14px; font-weight: 650; }
#site-nav > a:not(.nav-cta) { position: relative; transition: color .2s ease; }
#site-nav > a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; bottom: -8px; width: 0; height: 2px; background: var(--sky); transition: width .2s ease; }
#site-nav > a:hover { color: var(--white); }
#site-nav > a:hover::after { width: 100%; }
.nav-cta { padding: 12px 18px; color: var(--white); border: 1px solid rgba(91, 214, 255, .34); border-radius: 999px; background: rgba(40, 158, 255, .08); }
.language-switch { display: inline-flex; align-items: center; gap: 3px; padding: 3px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.025); }
.lang-button { min-width: 42px; height: 30px; padding: 0 10px; border: 0; border-radius: 999px; color: #7793ad; background: transparent; font: inherit; font-size: 12px; font-weight: 800; cursor: pointer; transition: color .2s ease, background .2s ease, box-shadow .2s ease; }
.lang-button:hover { color: var(--white); }
.lang-button.is-active { color: var(--white); background: linear-gradient(135deg, #168bff, #3f57e9); box-shadow: 0 5px 15px rgba(25, 128, 246, .2); }
.menu-toggle { display: none; border: 0; background: none; width: 42px; height: 42px; padding: 9px; }
.menu-toggle span:not(.sr-only) { display: block; height: 2px; margin: 5px 0; background: var(--white); border-radius: 2px; }

.hero { min-height: 780px; display: grid; align-items: center; padding: 94px 0 88px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 64px; }
.eyebrow, .section-kicker { text-transform: uppercase; letter-spacing: .18em; font-size: 12px; font-weight: 800; color: #7fb4df; }
.eyebrow { display: flex; align-items: center; gap: 11px; margin-bottom: 24px; }
.eyebrow b { font: inherit; }
.eyebrow span { width: 28px; height: 2px; background: linear-gradient(90deg, var(--sky), var(--blue)); }
h1 { color: var(--white); font-size: clamp(54px, 6.2vw, 86px); line-height: .96; letter-spacing: -.058em; margin-bottom: 28px; max-width: 720px; }
h1 em { display: inline-block; color: transparent; font-style: normal; background: linear-gradient(90deg, #56dcff, #1f9cff 48%, #7480ff); -webkit-background-clip: text; background-clip: text; }
.hero-lead { max-width: 630px; color: #a9bfd3; font-size: 18px; }
.hero-actions { margin-top: 36px; display: flex; align-items: center; flex-wrap: wrap; gap: 15px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 14px; min-height: 54px; padding: 0 23px; border-radius: 14px; font-size: 14px; font-weight: 800; transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: linear-gradient(135deg, #168bff, #3f57e9); box-shadow: 0 16px 40px rgba(25, 128, 246, .25); }
.button-primary:hover { box-shadow: 0 19px 45px rgba(25, 128, 246, .38); }
.button-quiet { color: #c9deef; border: 1px solid var(--line); }
.button-quiet:hover { border-color: rgba(91, 214, 255, .34); }
.trust-row { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 20px; color: #708ca6; font-size: 12px; text-transform: uppercase; letter-spacing: .08em; font-weight: 750; }
.trust-row span::before { content: "✓"; color: var(--sky); margin-right: 7px; }

.hero-visual { position: relative; min-height: 560px; display: grid; place-items: center; }
.hero-visual::before { content: ""; position: absolute; width: 520px; height: 520px; border-radius: 50%; background: radial-gradient(circle, rgba(31, 143, 255, .15), transparent 67%); }
.orbit { position: absolute; border: 1px solid rgba(86, 214, 255, .12); border-radius: 50%; }
.orbit::before { content: ""; position: absolute; width: 8px; height: 8px; border-radius: 50%; background: var(--sky); box-shadow: 0 0 18px var(--sky); }
.orbit-one { width: 470px; height: 470px; transform: rotate(18deg); }
.orbit-one::before { top: 31px; right: 91px; }
.orbit-two { width: 585px; height: 585px; transform: rotate(-28deg); }
.orbit-two::before { bottom: 86px; left: 45px; background: #6975ff; box-shadow: 0 0 18px #6975ff; }
.support-console {
  position: relative;
  z-index: 2;
  width: min(445px, 88vw);
  padding: 22px;
  border: 1px solid rgba(163, 217, 255, .18);
  border-radius: 29px;
  background: linear-gradient(145deg, rgba(16, 48, 80, .92), rgba(6, 24, 44, .95));
  box-shadow: var(--shadow), inset 0 1px rgba(255,255,255,.06);
  transform: perspective(900px) rotateY(-5deg) rotateX(2deg);
}
.console-top { display: flex; align-items: center; justify-content: space-between; padding: 0 3px 19px; border-bottom: 1px solid var(--line); color: #bdd4e7; font-size: 13px; font-weight: 700; }
.status-dot { display: inline-block; width: 8px; height: 8px; margin-right: 8px; border-radius: 50%; background: #4ae0a1; box-shadow: 0 0 12px rgba(74,224,161,.6); }
.live-label { color: #55dca0; font-size: 10px; letter-spacing: .16em; }
.message-card { margin-top: 19px; min-height: 84px; display: grid; grid-template-columns: 43px 1fr auto; gap: 12px; align-items: center; padding: 15px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.035); }
.message-card .avatar { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 13px; background: rgba(42, 158, 255, .12); color: #6cceff; font-weight: 800; }
.message-card small { color: #7492ad; font-size: 10px; text-transform: uppercase; letter-spacing: .12em; font-weight: 800; }
.message-card p { margin: 3px 0 0; color: #d8e9f7; font-size: 13px; line-height: 1.35; }
.message-card time { align-self: start; color: #5f7b95; font-size: 10px; }
.message-agent { border-color: rgba(56, 165, 255, .25); background: linear-gradient(135deg, rgba(27, 136, 255, .12), rgba(70, 86, 237, .1)); }
.message-agent .avatar { color: white; background: linear-gradient(135deg, var(--blue), var(--indigo)); }
.check { width: 26px; height: 26px; display: grid; place-items: center; border-radius: 50%; color: #43d99a; background: rgba(67, 217, 154, .09); font-weight: 900; }
.route-line { display: flex; align-items: center; gap: 10px; margin: 15px 0 -3px; }
.route-line span { flex: 1; height: 1px; background: var(--line); }
.route-line b { color: #66839e; font-size: 9px; text-transform: uppercase; letter-spacing: .13em; }
.console-footer { display: flex; align-items: center; gap: 15px; margin-top: 21px; padding: 17px 2px 0; border-top: 1px solid var(--line); }
.console-footer p { margin: 0; font-size: 11px; line-height: 1.4; }
.console-footer strong { color: #cbe1f2; }
.console-footer span { color: #67849f; }
.pulse-bars { height: 35px; display: flex; align-items: end; gap: 4px; }
.pulse-bars i { display: block; width: 4px; height: 30%; border-radius: 3px; background: linear-gradient(var(--sky), var(--blue)); animation: pulse 1.2s ease-in-out infinite; }
.pulse-bars i:nth-child(2) { height: 70%; animation-delay: .12s; }.pulse-bars i:nth-child(3) { height: 100%; animation-delay: .24s; }.pulse-bars i:nth-child(4) { height: 55%; animation-delay: .36s; }
@keyframes pulse { 50% { transform: scaleY(.45); opacity: .55; } }
.float-card { position: absolute; z-index: 3; display: grid; padding: 15px 18px; border: 1px solid rgba(142, 208, 255, .18); border-radius: 17px; background: rgba(9, 33, 57, .92); backdrop-filter: blur(12px); box-shadow: 0 18px 45px rgba(0, 8, 20, .27); }
.float-card b { color: white; font-size: 18px; }
.float-card span { color: #7693ad; font-size: 10px; }
.float-card-one { left: -3px; top: 110px; }
.float-card-two { right: -9px; bottom: 85px; grid-template-columns: 30px auto; column-gap: 8px; }
.float-card-two .spark { grid-row: 1 / 3; align-self: center; color: #68d4ff; font-size: 23px; }

.signal-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.018); }
.signal-grid { min-height: 150px; display: grid; grid-template-columns: .7fr 1.3fr; align-items: center; gap: 60px; }
.signal-grid p { margin: 0; color: #6f8aa2; font-size: 13px; text-transform: uppercase; letter-spacing: .11em; font-weight: 800; }
.signal-grid blockquote { margin: 0; color: #dcedfa; font-size: clamp(22px, 3vw, 35px); letter-spacing: -.03em; font-weight: 600; }

.section { padding: 120px 0; }
.section-heading { display: grid; grid-template-columns: 1fr .72fr; gap: 90px; align-items: end; margin-bottom: 58px; }
.section-kicker { display: block; margin-bottom: 17px; }
h2 { color: var(--white); font-size: clamp(38px, 4.3vw, 60px); line-height: 1.05; letter-spacing: -.045em; }
.section-heading h2 { margin-bottom: 0; }
.section-heading > p { margin: 0 0 4px; color: #829eb8; }
.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.service-card {
  position: relative;
  min-height: 340px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.025);
  overflow: hidden;
  transition: transform .25s ease, border-color .25s ease, background .25s ease;
}
.service-card::before { content: ""; position: absolute; width: 170px; height: 170px; right: -80px; bottom: -90px; border-radius: 50%; background: radial-gradient(circle, rgba(28, 145, 255, .14), transparent 66%); opacity: 0; transition: opacity .25s ease; }
.service-card:hover { transform: translateY(-5px); border-color: rgba(71, 191, 255, .31); background: rgba(255,255,255,.035); }
.service-card:hover::before { opacity: 1; }
.service-card.featured { background: linear-gradient(145deg, rgba(21, 119, 220, .16), rgba(69, 86, 237, .08)); border-color: rgba(71, 191, 255, .25); }
.service-number { position: absolute; right: 27px; top: 25px; color: #45617b; font-size: 11px; letter-spacing: .1em; font-weight: 800; }
.service-icon { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: 30px; color: #6ddaff; font-size: 21px; border: 1px solid rgba(93, 208, 255, .22); border-radius: 15px; background: rgba(42, 158, 255, .08); }
.service-card h3 { margin-bottom: 13px; color: #eff8ff; font-size: 23px; letter-spacing: -.02em; }
.service-card p { color: #84a0b9; max-width: 510px; font-size: 14px; }
.service-card ul { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 26px 0 0; }
.service-card li { color: #8eacc6; padding: 7px 10px; border: 1px solid var(--line); border-radius: 999px; font-size: 10px; text-transform: uppercase; letter-spacing: .08em; font-weight: 750; }

.chat-demo { padding-top: 90px; background: linear-gradient(180deg, transparent, rgba(16, 77, 126, .12), transparent); }
.chat-heading { align-items: center; }
.chat-app {
  min-height: 690px;
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  border: 1px solid rgba(148, 210, 255, .17);
  border-radius: 30px;
  background: #081b30;
  box-shadow: 0 35px 90px rgba(0, 8, 24, .36), inset 0 1px rgba(255,255,255,.04);
  overflow: hidden;
}
.chat-sidebar { min-width: 0; padding: 22px 18px; border-right: 1px solid rgba(153, 212, 255, .12); background: linear-gradient(180deg, rgba(19, 55, 87, .72), rgba(7, 25, 44, .82)); }
.chat-app-brand { min-height: 58px; display: grid; grid-template-columns: 42px 1fr auto; gap: 12px; align-items: center; padding: 0 5px 20px; border-bottom: 1px solid var(--line); }
.chat-brand-mark, .thread-avatar, .conversation-avatar { display: grid; place-items: center; flex: 0 0 auto; color: white; background: linear-gradient(135deg, #1698ff, #4c50da); font-weight: 850; box-shadow: inset 0 1px rgba(255,255,255,.16); }
.chat-brand-mark { width: 42px; height: 42px; border-radius: 14px; font-size: 17px; }
.chat-app-brand strong { display: block; color: #f0f8ff; font-size: 13px; letter-spacing: .08em; }
.chat-app-brand small { display: block; margin-top: 2px; color: #6f8ba4; font-size: 10px; }
.online-pill { display: inline-flex; align-items: center; gap: 6px; padding: 6px 9px; border-radius: 999px; color: #78e5b6; background: rgba(64, 210, 150, .08); font-size: 9px; font-weight: 800; text-transform: uppercase; letter-spacing: .07em; }
.online-pill i { width: 6px; height: 6px; border-radius: 50%; background: #42daa0; box-shadow: 0 0 10px rgba(66, 218, 160, .7); }
.inbox-row { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin: 23px 7px 12px; }
.inbox-row h3 { margin: 0; color: #d9eafa; font-size: 13px; }
.inbox-row > span { min-width: 24px; height: 24px; display: grid; place-items: center; border-radius: 8px; color: #7fcfff; background: rgba(40, 154, 255, .1); font-size: 10px; font-weight: 800; }
.conversation-list { display: grid; gap: 8px; }
.conversation-item { width: 100%; position: relative; display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 12px; align-items: center; padding: 14px 13px; border: 1px solid transparent; border-radius: 17px; color: inherit; background: transparent; font: inherit; text-align: left; cursor: pointer; transition: border-color .2s ease, background .2s ease, transform .2s ease; }
.conversation-item:hover { border-color: rgba(115, 197, 255, .14); background: rgba(255,255,255,.035); transform: translateX(2px); }
.conversation-item.is-active { border-color: rgba(72, 182, 255, .25); background: linear-gradient(135deg, rgba(27, 137, 243, .15), rgba(54, 71, 198, .08)); }
.conversation-avatar { width: 44px; height: 44px; border-radius: 14px; font-size: 11px; }
.conversation-item:nth-child(2) .conversation-avatar { background: linear-gradient(135deg, #735fee, #9a62d3); }
.conversation-item:nth-child(3) .conversation-avatar { background: linear-gradient(135deg, #00a890, #35c6a2); }
.conversation-item:nth-child(4) .conversation-avatar { background: linear-gradient(135deg, #d16b45, #e9a340); }
.conversation-copy { min-width: 0; display: grid; gap: 5px; }
.conversation-topline { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.conversation-topline strong { color: #e7f4ff; font-size: 12px; }
.conversation-topline time { color: #5e7a94; font-size: 9px; }
.conversation-preview { display: block; color: #7692aa; font-size: 10px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.conversation-state { position: absolute; left: 69px; bottom: 6px; color: #6a87a1; font-size: 8px; text-transform: uppercase; letter-spacing: .07em; font-weight: 800; opacity: 0; transition: opacity .2s ease; }
.conversation-item.is-active .conversation-state { opacity: 1; }
.conversation-state.is-solved { color: #59d7a2; }
.conversation-state.is-open { color: #6fcfff; }
.conversation-state.is-waiting { color: #ebbc65; }
.chat-thread-panel { min-width: 0; display: grid; grid-template-rows: auto minmax(0, 1fr) auto auto; background: radial-gradient(circle at 60% -20%, rgba(33, 129, 224, .13), transparent 45%), #07182b; }
.thread-header { min-height: 82px; display: flex; align-items: center; gap: 13px; padding: 17px 26px; border-bottom: 1px solid var(--line); background: rgba(8, 29, 50, .74); }
.thread-avatar { width: 46px; height: 46px; border-radius: 15px; font-size: 11px; }
.thread-identity { min-width: 0; display: grid; gap: 3px; }
.thread-identity strong { color: #edf8ff; font-size: 14px; }
.thread-identity small { color: #6f8ca6; font-size: 10px; }
.thread-status { margin-left: auto; padding: 7px 10px; border-radius: 999px; color: #5de0a8; background: rgba(53, 203, 145, .08); font-size: 9px; font-weight: 850; text-transform: uppercase; letter-spacing: .08em; }
.thread-status.is-open { color: #70d1ff; background: rgba(55, 160, 244, .09); }
.thread-status.is-waiting { color: #efc16f; background: rgba(218, 158, 55, .09); }
.thread-messages { min-height: 450px; max-height: 510px; overflow-y: auto; padding: 21px 28px 30px; scrollbar-width: thin; scrollbar-color: rgba(100, 163, 207, .35) transparent; }
.thread-date { width: max-content; margin: 0 auto 23px; padding: 6px 11px; border-radius: 999px; color: #617f9a; background: rgba(255,255,255,.035); font-size: 9px; font-weight: 750; text-transform: uppercase; letter-spacing: .08em; }
.message-row { display: flex; flex-direction: column; align-items: flex-start; margin-top: 17px; }
.message-row.is-agent { align-items: flex-end; }
.message-label { margin: 0 9px 6px; color: #5f7f9b; font-size: 9px; font-weight: 750; text-transform: uppercase; letter-spacing: .08em; }
.chat-bubble { max-width: min(600px, 78%); padding: 13px 15px 10px; border: 1px solid rgba(153, 211, 253, .12); border-radius: 17px 17px 17px 5px; background: rgba(255,255,255,.045); box-shadow: 0 11px 30px rgba(0, 8, 20, .12); }
.message-row.is-agent .chat-bubble { border-color: rgba(66, 175, 255, .22); border-radius: 17px 17px 5px 17px; background: linear-gradient(135deg, rgba(17, 124, 222, .3), rgba(49, 75, 201, .24)); }
.chat-bubble p { margin: 0; color: #bed1e2; font-size: 12px; line-height: 1.55; }
.message-row.is-agent .chat-bubble p { color: #e2f2ff; }
.chat-bubble time { display: block; margin-top: 5px; color: #5d7a94; font-size: 8px; text-align: right; }
.message-row.is-agent .chat-bubble time { color: #7fb5dc; }
.reply-composer { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; margin: 0 24px; padding: 10px; border: 1px solid rgba(143, 208, 255, .15); border-radius: 17px; background: rgba(255,255,255,.035); }
.reply-composer input { min-width: 0; height: 42px; padding: 0 9px; border: 0; outline: none; color: #dceefa; background: transparent; font: inherit; font-size: 12px; }
.reply-composer input::placeholder { color: #5d7992; }
.reply-composer:focus-within { border-color: rgba(81, 192, 255, .4); box-shadow: 0 0 0 3px rgba(46, 151, 238, .08); }
.reply-composer button { min-width: 92px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 0 17px; border: 0; border-radius: 12px; color: white; background: linear-gradient(135deg, #168bff, #4652e2); font: inherit; font-size: 11px; font-weight: 800; cursor: pointer; box-shadow: 0 9px 24px rgba(23, 112, 232, .22); }
.demo-note { margin: 11px 27px 17px; color: #57738d; font-size: 9px; line-height: 1.45; }
.demo-note > span:first-child { margin-right: 4px; color: #679fc4; }

.approach { background: linear-gradient(180deg, transparent, rgba(15, 61, 101, .16), transparent); }
.approach-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 110px; align-items: start; }
.approach-copy { position: sticky; top: 135px; }
.approach-copy p { color: #839fb8; max-width: 500px; }
.text-link { display: inline-flex; align-items: center; gap: 14px; margin-top: 22px; color: #7bdcff; font-size: 13px; font-weight: 800; }
.text-link span { transition: transform .2s ease; }.text-link:hover span { transform: translate(3px, -3px); }
.process-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.process-list li { display: grid; grid-template-columns: 70px 1fr; gap: 28px; padding: 29px 0; border-bottom: 1px solid var(--line); }
.process-list .step { color: #50cffd; font-size: 12px; letter-spacing: .1em; font-weight: 800; }
.process-list h3 { margin-bottom: 7px; color: #eaf6ff; font-size: 22px; }
.process-list p { margin: 0; color: #7895ae; font-size: 14px; }

.principles { padding-top: 70px; }
.principles-panel { padding: 68px; border: 1px solid rgba(84, 194, 255, .2); border-radius: 34px; background: linear-gradient(135deg, rgba(18, 92, 159, .18), rgba(58, 78, 219, .08) 55%, rgba(255,255,255,.02)); box-shadow: inset 0 1px rgba(255,255,255,.04); }
.panel-intro h2 { max-width: 870px; margin-bottom: 54px; }
.panel-intro h2 em { color: #68d6ff; font-style: normal; }
.principle-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.principle-grid article { padding-top: 25px; border-top: 1px solid rgba(172, 221, 255, .2); }
.principle-grid article > span { color: #66d7ff; font-size: 10px; font-weight: 800; }
.principle-grid h3 { margin: 14px 0 8px; color: #eef8ff; font-size: 17px; }
.principle-grid p { margin: 0; color: #829eb8; font-size: 13px; }

.about-grid { display: grid; grid-template-columns: .65fr 1.35fr; gap: 90px; align-items: center; }
.about-mark { min-height: 370px; position: relative; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 32px; background: radial-gradient(circle at 50% 50%, rgba(30, 141, 248, .12), transparent 65%); overflow: hidden; }
.about-mark::before, .about-mark::after { content: ""; position: absolute; border: 1px solid rgba(84, 198, 255, .12); border-radius: 50%; }
.about-mark::before { width: 250px; height: 250px; }.about-mark::after { width: 350px; height: 350px; }
.about-mark svg { position: relative; z-index: 1; width: 190px; fill: none; stroke: url(#none); }
.about-mark svg path:first-child { stroke: #1f94f7; stroke-width: 8; stroke-linecap: round; }
.about-mark svg path:last-child { stroke: #5bd7ff; stroke-width: 8; stroke-linecap: round; stroke-linejoin: round; }
.about-mark > span { position: absolute; z-index: 2; bottom: 28px; left: 29px; color: #6987a2; font-size: 10px; text-transform: uppercase; letter-spacing: .15em; font-weight: 800; line-height: 1.6; }
.about-mark > span b { font: inherit; }
.about-copy p { max-width: 700px; color: #849fb8; }
.about-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 35px; }
.about-facts div { padding: 19px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.02); }
.about-facts b { display: block; color: #f1f9ff; font-size: 22px; }
.about-facts span { color: #728da5; font-size: 11px; }

.contact { padding: 60px 0 115px; }
.contact-panel { min-height: 390px; display: grid; grid-template-columns: 1.15fr .85fr; gap: 80px; align-items: center; padding: 68px; border-radius: 34px; background: linear-gradient(125deg, #0f65b7, #194cca 58%, #3f43bd); box-shadow: 0 35px 80px rgba(4, 42, 103, .35); overflow: hidden; position: relative; }
.contact-panel::before { content: ""; position: absolute; width: 430px; height: 430px; right: -120px; top: -230px; border: 1px solid rgba(255,255,255,.15); border-radius: 50%; box-shadow: 0 0 0 65px rgba(255,255,255,.025), 0 0 0 130px rgba(255,255,255,.018); }
.contact-panel .section-kicker { color: #bce7ff; }
.contact-panel h2 { margin: 0; }
.contact-action { position: relative; z-index: 1; }
.contact-action p { color: rgba(241,249,255,.78); font-size: 14px; }
.email-link { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-top: 28px; padding: 19px 20px; border: 1px solid rgba(255,255,255,.22); border-radius: 16px; background: rgba(7, 34, 68, .2); color: white; font-size: 14px; font-weight: 800; word-break: break-word; }
.email-link b { width: 36px; height: 36px; flex: 0 0 36px; display: grid; place-items: center; border-radius: 50%; background: rgba(255,255,255,.12); }

footer { border-top: 1px solid var(--line); padding: 45px 0 35px; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr auto; gap: 45px; align-items: center; }
.footer-brand img { width: 170px; }
.footer-grid p { margin: 0; color: #65829c; font-size: 11px; line-height: 1.65; }
.footer-links { display: flex; gap: 20px; color: #9ab4cc; font-size: 12px; font-weight: 700; }
.footer-links a:hover { color: #70d9ff; }
.copyright { grid-column: 1 / -1; padding-top: 23px; border-top: 1px solid rgba(173,218,255,.08); }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .65s ease, transform .65s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .hero { padding-top: 72px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 760px; }
  .hero-visual { min-height: 520px; }
  .float-card-one { left: 8%; }.float-card-two { right: 7%; }
  .section-heading { grid-template-columns: 1fr; gap: 25px; }
  .chat-app { grid-template-columns: 310px minmax(0, 1fr); }
  .approach-grid { grid-template-columns: 1fr; gap: 60px; }
  .approach-copy { position: static; }
  .about-grid { grid-template-columns: .8fr 1.2fr; gap: 50px; }
  .contact-panel { grid-template-columns: 1fr; gap: 35px; }
}

@media (max-width: 760px) {
  .shell { width: min(100% - 32px, 1180px); }
  .nav-wrap { min-height: 72px; }
  .brand img { width: 175px; }
  .menu-toggle { display: block; }
  #site-nav { position: absolute; left: 16px; right: 16px; top: 73px; display: grid; gap: 0; padding: 12px; border: 1px solid var(--line); border-radius: 18px; background: rgba(7, 25, 45, .98); box-shadow: var(--shadow); transform: translateY(-12px); opacity: 0; pointer-events: none; transition: .2s ease; }
  #site-nav.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  #site-nav a { padding: 14px; }
  .language-switch { margin: 8px 14px; justify-self: start; }
  .nav-cta { margin-top: 6px; text-align: center; }
  .hero { min-height: auto; padding: 70px 0 55px; }
  h1 { font-size: clamp(48px, 14vw, 68px); }
  .hero-lead { font-size: 16px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .trust-row { display: grid; gap: 10px; }
  .hero-visual { min-height: 470px; margin: 0 -10px; }
  .support-console { padding: 17px; transform: none; }
  .float-card { display: none; }
  .orbit-one { width: 380px; height: 380px; }.orbit-two { width: 450px; height: 450px; }
  .signal-grid { grid-template-columns: 1fr; gap: 10px; padding: 32px 0; }
  .section { padding: 90px 0; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 0; padding: 28px; }
  .chat-demo { padding-top: 65px; }
  .chat-app { min-height: 0; grid-template-columns: 1fr; border-radius: 22px; }
  .chat-sidebar { padding: 17px 14px; border-right: 0; border-bottom: 1px solid rgba(153, 212, 255, .12); }
  .chat-app-brand { padding-bottom: 16px; }
  .conversation-list { grid-auto-flow: column; grid-auto-columns: minmax(220px, 78%); overflow-x: auto; padding-bottom: 5px; scroll-snap-type: x mandatory; }
  .conversation-item { scroll-snap-align: start; }
  .thread-header { padding: 15px 18px; }
  .thread-messages { min-height: 420px; max-height: 480px; padding: 18px 17px 25px; }
  .chat-bubble { max-width: 88%; }
  .reply-composer { margin: 0 14px; }
  .demo-note { margin: 10px 17px 15px; }
  .principles-panel { padding: 39px 26px; }
  .principle-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .about-mark { min-height: 300px; }
  .about-facts { grid-template-columns: 1fr; }
  .contact { padding-bottom: 85px; }
  .contact-panel { padding: 42px 25px; min-height: 0; }
  .email-link { font-size: 12px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
}

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