:root {
  color-scheme: dark;
  --navy-950: #04101f;
  --navy-900: #07182f;
  --navy-850: #0a203b;
  --navy-800: #0d2949;
  --blue-700: #155ea8;
  --blue-600: #1976d2;
  --blue-500: #2d91ea;
  --cyan-500: #38bdf8;
  --cyan-400: #67d4ff;
  --green-500: #39c98a;
  --ink-950: #0c1727;
  --ink-700: #334155;
  --ink-500: #64748b;
  --paper: #f7f9fc;
  --white: #ffffff;
  --line-dark: rgba(174, 206, 237, .18);
  --line-light: #dce5ef;
  --shadow-lg: 0 32px 80px rgba(0, 10, 25, .38);
  --shadow-md: 0 18px 50px rgba(20, 44, 80, .12);
  --radius-xl: 30px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --shell: min(1380px, calc(100% - 48px));
  --transition: 180ms ease;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
[id] { scroll-margin-top: 104px; }
body {
  margin: 0;
  min-width: 320px;
  background: var(--paper);
  color: var(--ink-950);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
svg { fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }

.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;
  top: 8px;
  left: 8px;
  z-index: 9999;
  transform: translateY(-140%);
  padding: 10px 14px;
  border-radius: 8px;
  background: #fff;
  color: #07182f;
  font-weight: 700;
}
.skip-link:focus { transform: translateY(0); }
.shell { width: var(--shell); margin-inline: auto; }
.section { padding: 112px 0; }
.section-dark { position: relative; overflow: hidden; background: var(--navy-950); color: var(--white); }
.section-light { background: var(--paper); }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  background: rgba(4, 16, 31, .78);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
  background: rgba(4, 16, 31, .95);
  border-color: rgba(255,255,255,.08);
  box-shadow: 0 12px 36px rgba(0,0,0,.18);
}
.header-inner { min-height: 84px; display: flex; align-items: center; gap: 28px; }
.brand { width: 245px; flex: 0 0 auto; }
.brand img { width: 100%; height: auto; }
.primary-nav { margin-left: auto; display: flex; align-items: center; gap: 27px; }
.primary-nav a { color: rgba(255,255,255,.76); font-size: .94rem; font-weight: 650; transition: color var(--transition); }
.primary-nav a:hover, .primary-nav a:focus-visible { color: #fff; }
.header-cta { margin-left: 12px; }
.nav-toggle { display: none; border: 0; background: transparent; color: #fff; padding: 8px; }
.nav-toggle span:not(.sr-only) { display: block; width: 24px; height: 2px; margin: 5px 0; background: currentColor; transition: transform var(--transition), opacity var(--transition); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  gap: 10px;
  padding: 0 22px;
  border: 1px solid var(--blue-500);
  border-radius: 12px;
  background: var(--blue-600);
  color: #fff;
  font-weight: 760;
  box-shadow: 0 12px 30px rgba(25, 118, 210, .22);
  transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.button:hover, .button:focus-visible { transform: translateY(-2px); background: #2386e0; border-color: #2386e0; box-shadow: 0 16px 38px rgba(25, 118, 210, .3); }
.button-small { min-height: 42px; padding: 0 16px; border-radius: 10px; font-size: .86rem; }
.button-small svg { width: 16px; height: 16px; }
.button-secondary { background: rgba(255,255,255,.04); border-color: rgba(255,255,255,.24); box-shadow: none; }
.button-secondary:hover, .button-secondary:focus-visible { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.38); }

.hero { min-height: 820px; padding: 142px 0 92px; }
.hero::before {
  content: "";
  position: absolute;
  width: 760px;
  height: 760px;
  right: -270px;
  top: -340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(36, 130, 216, .22), transparent 68%);
}
.hero::after {
  content: "";
  position: absolute;
  width: 640px;
  height: 640px;
  left: -320px;
  bottom: -420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56, 189, 248, .12), transparent 68%);
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  opacity: .24;
  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: 54px 54px;
  mask-image: linear-gradient(to bottom, black, transparent 84%);
}
.hero-layout { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1fr) minmax(560px, .98fr); gap: 52px; align-items: center; }
.hero-copy { min-width: 0; padding-top: 0; }
.eyebrow { display: inline-flex; align-items: center; gap: 11px; margin: 0 0 20px; color: var(--cyan-400); font-size: .78rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow span { width: 32px; height: 1px; background: currentColor; }
.eyebrow.dark { color: var(--blue-600); }
.hero h1 { max-width: 720px; margin: 0; font-size: clamp(3rem, 4vw, 3.7rem); line-height: 1.02; letter-spacing: -.045em; font-weight: 820; text-wrap: balance; }
.hero h1 em { color: var(--cyan-400); font-style: normal; font-weight: 650; }
.hero-lead { max-width: 640px; margin: 30px 0 0; color: rgba(255,255,255,.72); font-size: clamp(1.05rem, 1.5vw, 1.27rem); line-height: 1.72; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.trust-row { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 34px; color: rgba(255,255,255,.7); font-size: .84rem; font-weight: 650; }
.trust-row span { display: inline-flex; align-items: center; gap: 8px; }
.trust-row svg { width: 17px; height: 17px; color: var(--cyan-400); }

.product-stage { position: relative; min-width: 0; width: 100%; max-width: 720px; justify-self: end; padding: 42px 18px 42px; }
.browser-frame { position: relative; overflow: hidden; border: 1px solid rgba(177, 217, 255, .26); border-radius: 20px; background: #0a1c32; box-shadow: var(--shadow-lg); transform: perspective(1200px) rotateY(-2deg) rotateX(1deg); }
.browser-frame::after { content: ""; position: absolute; inset: 0; pointer-events: none; border-radius: inherit; box-shadow: inset 0 0 0 1px rgba(255,255,255,.02); }
.browser-topbar { height: 44px; display: flex; align-items: center; gap: 16px; padding: 0 15px; border-bottom: 1px solid rgba(255,255,255,.07); background: #071629; }
.window-controls { display: flex; gap: 5px; }
.window-controls i { width: 7px; height: 7px; border-radius: 50%; background: #526276; }
.window-controls i:first-child { background: #dc6c6c; }
.window-controls i:nth-child(2) { background: #d7a94b; }
.window-controls i:nth-child(3) { background: #58ad79; }
.browser-address { flex: 1; max-width: 320px; height: 24px; display: flex; align-items: center; gap: 7px; padding: 0 10px; border-radius: 7px; background: rgba(255,255,255,.05); color: rgba(255,255,255,.45); font-size: .64rem; }
.secure-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green-500); }
.browser-user { margin-left: auto; width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; background: #1f6eb3; color: #fff; font-size: .58rem; font-weight: 800; }
.app-shell { min-height: 520px; display: grid; grid-template-columns: 95px minmax(0, 1fr); }
.app-sidebar { display: flex; flex-direction: column; padding: 17px 10px 12px; border-right: 1px solid rgba(255,255,255,.07); background: #07182b; }
.app-logo { display: grid; place-items: center; margin: 0 auto 20px; width: 38px; height: 38px; border-radius: 10px; background: linear-gradient(135deg, #2788d8, #0b477d); color: #fff; font-size: .8rem; font-weight: 850; }
.app-sidebar nav { display: grid; gap: 6px; }
.app-sidebar nav a { display: grid; justify-items: center; gap: 4px; padding: 8px 4px; border-radius: 8px; color: rgba(255,255,255,.47); font-size: .52rem; }
.app-sidebar nav a.active { background: rgba(40, 137, 217, .16); color: var(--cyan-400); }
.app-sidebar nav svg { width: 16px; height: 16px; }
.sidebar-status { margin-top: auto; display: flex; justify-content: center; align-items: center; gap: 5px; color: rgba(255,255,255,.42); font-size: .5rem; }
.sidebar-status span { width: 5px; height: 5px; border-radius: 50%; background: var(--green-500); }
.app-main { min-width: 0; padding: 20px; background: linear-gradient(160deg, #0b2038, #09192b 65%); }
.app-header { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.app-header div { display: grid; }
.app-header small { color: rgba(255,255,255,.46); font-size: .58rem; }
.app-header strong { color: #fff; font-size: .86rem; }
.app-header button { border: 1px solid rgba(104, 194, 255, .35); border-radius: 7px; background: #1769aa; color: #fff; padding: 7px 10px; font-size: .54rem; }
.metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 16px; }
.metric-grid article { display: flex; align-items: center; gap: 10px; min-width: 0; padding: 13px; border: 1px solid rgba(255,255,255,.08); border-radius: 10px; background: rgba(255,255,255,.025); }
.metric-grid article div { min-width: 0; display: grid; }
.metric-grid small { color: rgba(255,255,255,.45); font-size: .48rem; }
.metric-grid strong { overflow: hidden; color: #fff; font-size: .61rem; white-space: nowrap; text-overflow: ellipsis; }
.metric-icon { width: 27px; height: 27px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 8px; background: rgba(255,255,255,.06); }
.metric-icon svg { width: 14px; height: 14px; }
.metric-icon.cyan { color: var(--cyan-400); }
.metric-icon.blue { color: #76a8ff; }
.metric-icon.green { color: #60dba1; }
.dashboard-grid { display: grid; grid-template-columns: 1.4fr .8fr; gap: 12px; margin-top: 12px; }
.chat-preview, .system-preview { min-width: 0; padding: 13px; border: 1px solid rgba(255,255,255,.08); border-radius: 10px; background: rgba(255,255,255,.025); }
.panel-title { display: flex; justify-content: space-between; gap: 8px; color: #fff; font-size: .6rem; }
.panel-title span { color: rgba(255,255,255,.42); font-size: .48rem; }
.chat-bubble { width: fit-content; max-width: 88%; margin-top: 11px; padding: 8px 10px; border-radius: 8px; font-size: .5rem; line-height: 1.45; }
.chat-bubble.user { margin-left: auto; background: #1769aa; color: #fff; border-bottom-right-radius: 3px; }
.chat-bubble.assistant { display: flex; gap: 7px; background: rgba(255,255,255,.06); color: rgba(255,255,255,.75); border-bottom-left-radius: 3px; }
.chat-bubble.assistant p { margin: 0; }
.assistant-mark { flex: 0 0 auto; width: 18px; height: 18px; display: grid; place-items: center; border-radius: 5px; background: rgba(56,189,248,.18); color: var(--cyan-400); font-size: .42rem; font-weight: 850; }
.chat-input { display: flex; justify-content: space-between; align-items: center; margin-top: 18px; padding: 8px 9px; border: 1px solid rgba(255,255,255,.08); border-radius: 7px; color: rgba(255,255,255,.28); font-size: .48rem; }
.chat-input b { width: 18px; height: 18px; display: grid; place-items: center; border-radius: 5px; background: #1769aa; color: #fff; }
.service-line { display: grid; grid-template-columns: 7px 1fr auto; align-items: center; gap: 6px; margin-top: 12px; color: rgba(255,255,255,.66); font-size: .49rem; }
.service-line i { width: 6px; height: 6px; border-radius: 50%; background: var(--green-500); }
.service-line b { color: #66dba1; font-size: .45rem; font-weight: 700; }
.mini-chart { height: 64px; display: flex; align-items: end; gap: 6px; margin-top: 18px; padding: 8px 8px 0; border-top: 1px solid rgba(255,255,255,.06); }
.mini-chart span { flex: 1; border-radius: 3px 3px 0 0; background: linear-gradient(to top, rgba(36,128,205,.25), #3d9eea); }
.stage-note { position: absolute; display: grid; grid-template-columns: 34px 1fr; column-gap: 9px; align-items: center; min-width: 172px; padding: 10px 12px; border: 1px solid rgba(255,255,255,.16); border-radius: 11px; background: rgba(6, 22, 40, .92); box-shadow: 0 18px 38px rgba(0,0,0,.2); backdrop-filter: blur(8px); }
.stage-note span { grid-row: 1 / span 2; width: 34px; height: 34px; display: grid; place-items: center; border-radius: 9px; background: rgba(56,189,248,.13); color: var(--cyan-400); font-size: .65rem; font-weight: 850; }
.stage-note strong { color: #fff; font-size: .68rem; }
.stage-note small { color: rgba(255,255,255,.48); font-size: .52rem; }
.note-one { left: -18px; bottom: -4px; }
.note-two { right: 8px; top: 10px; }

.section-heading { max-width: 760px; margin-bottom: 52px; }
.section-heading.centered { margin-inline: auto; text-align: center; }
.section-heading.centered .eyebrow { justify-content: center; }
.section-heading h2, .operations-copy h2, .why-intro h2, .contact-card h2 { margin: 0; font-size: clamp(2.15rem, 4vw, 4rem); line-height: 1.08; letter-spacing: -.045em; }
.section-heading > p:not(.eyebrow), .operations-copy > p, .contact-card > div > p:last-child { margin: 22px 0 0; color: var(--ink-500); font-size: 1.08rem; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card { position: relative; min-height: 272px; padding: 28px; overflow: hidden; border: 1px solid var(--line-light); border-radius: var(--radius-lg); background: #fff; box-shadow: 0 10px 30px rgba(23,54,92,.05); transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition); }
.feature-card:hover { transform: translateY(-5px); border-color: #bfd5e9; box-shadow: var(--shadow-md); }
.feature-number { position: absolute; top: 18px; right: 20px; color: #d5e2ee; font-size: 2.8rem; font-weight: 850; line-height: 1; }
.feature-icon { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 14px; background: #eaf5ff; color: var(--blue-600); }
.feature-icon svg { width: 25px; height: 25px; }
.feature-card h3 { margin: 22px 0 9px; font-size: 1.18rem; }
.feature-card p { margin: 0; color: var(--ink-500); font-size: .96rem; }

.architecture-section { background: linear-gradient(145deg, #061528, #0a213d); }
.architecture-section::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,.07) 1px, transparent 1px); background-size: 28px 28px; opacity: .08; }
.architecture-section .shell { position: relative; z-index: 2; }
.split-heading { max-width: none; display: grid; grid-template-columns: 1.1fr .9fr; gap: 80px; align-items: end; }
.split-heading > p { color: rgba(255,255,255,.62) !important; }
.architecture-board { display: grid; grid-template-columns: .72fr 58px 1.75fr 58px .8fr; align-items: stretch; padding: 24px; border: 1px solid rgba(164, 203, 238, .18); border-radius: var(--radius-xl); background: rgba(2, 13, 27, .36); box-shadow: 0 30px 80px rgba(0,0,0,.24); }
.architecture-column { min-width: 0; padding: 18px; border: 1px solid rgba(255,255,255,.1); border-radius: 18px; background: rgba(255,255,255,.025); }
.column-label { margin-bottom: 18px; color: var(--cyan-400); font-size: .69rem; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.arch-card { display: flex; align-items: center; gap: 13px; padding: 15px; border: 1px solid rgba(255,255,255,.09); border-radius: 12px; background: rgba(255,255,255,.025); }
.arch-card + .arch-card { margin-top: 10px; }
.arch-icon { width: 38px; height: 38px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 10px; color: var(--cyan-400); background: rgba(56,189,248,.09); }
.arch-icon svg { width: 20px; height: 20px; }
.arch-card div { display: grid; }
.arch-card strong { font-size: .82rem; }
.arch-card small { color: rgba(255,255,255,.45); font-size: .65rem; }
.arch-flow-label { margin-top: 22px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.08); color: rgba(255,255,255,.5); font-size: .68rem; text-align: center; }
.architecture-arrow { display: grid; place-items: center; }
.architecture-arrow span { position: relative; width: 34px; height: 1px; background: rgba(103,212,255,.55); }
.architecture-arrow span::after { content: ""; position: absolute; right: 0; top: 50%; width: 7px; height: 7px; border-top: 1px solid rgba(103,212,255,.8); border-right: 1px solid rgba(103,212,255,.8); transform: translateY(-50%) rotate(45deg); }
.platform-stack { display: grid; }
.stack-layer { position: relative; display: flex; align-items: center; gap: 13px; min-height: 84px; padding: 16px 18px; border: 1px solid rgba(255,255,255,.1); border-radius: 13px; background: rgba(255,255,255,.028); }
.stack-layer div { display: grid; }
.stack-layer strong { font-size: .9rem; }
.stack-layer small { margin-top: 3px; color: rgba(255,255,255,.46); font-size: .66rem; }
.layer-badge { width: 33px; height: 33px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 9px; color: var(--cyan-400); background: rgba(56,189,248,.1); font-size: .64rem; font-weight: 850; }
.portal-layer { border-color: rgba(56,189,248,.28); background: rgba(33,124,195,.09); }
.stack-connector { width: 1px; height: 16px; margin-inline: auto; background: rgba(255,255,255,.18); }
.stack-row { display: grid; grid-template-columns: 1fr 44px 1fr; align-items: center; }
.stack-link { display: grid; place-items: center; color: var(--cyan-400); font-size: .6rem; font-weight: 850; }
.backend-layer { border-color: rgba(77,197,139,.26); }
.model-layer { border-color: rgba(147,112,219,.3); }
.data-layer { border-color: rgba(255,255,255,.12); }
.service-list { display: grid; gap: 9px; }
.service-list > div { display: flex; align-items: center; gap: 12px; padding: 12px; border: 1px solid rgba(255,255,255,.08); border-radius: 11px; background: rgba(255,255,255,.02); }
.service-list svg { width: 22px; height: 22px; flex: 0 0 auto; color: var(--cyan-400); }
.service-list span { display: grid; }
.service-list strong { font-size: .75rem; }
.service-list small { color: rgba(255,255,255,.43); font-size: .6rem; }
.deployment-strip { display: grid; grid-template-columns: 1fr 1px 1fr 1px 1fr; align-items: center; margin-top: 18px; padding: 22px 28px; border: 1px solid rgba(164,203,238,.16); border-radius: 18px; background: rgba(255,255,255,.025); }
.deployment-strip > div { display: flex; justify-content: center; align-items: center; gap: 13px; }
.deployment-strip > i { width: 1px; height: 44px; background: rgba(255,255,255,.1); }
.deployment-icon { width: 42px; height: 42px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 12px; color: var(--cyan-400); background: rgba(56,189,248,.09); }
.deployment-icon svg { width: 23px; height: 23px; }
.deployment-strip div div { display: grid; }
.deployment-strip strong { font-size: .82rem; }
.deployment-strip small { color: rgba(255,255,255,.43); font-size: .63rem; }

.layer-explainer { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-top: 22px; }
.layer-card { position: relative; min-height: 245px; padding: 24px; border: 1px solid rgba(164,203,238,.16); border-radius: 18px; background: rgba(255,255,255,.026); overflow: hidden; }
.layer-card::after { content: ""; position: absolute; inset: auto -28px -48px auto; width: 120px; height: 120px; border-radius: 50%; border: 1px solid rgba(103,212,255,.08); }
.layer-card-head { display: grid; grid-template-columns: 42px 1fr; gap: 13px; align-items: start; }
.layer-card-head span { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 12px; color: var(--cyan-400); background: rgba(56,189,248,.1); font-size: .72rem; font-weight: 900; letter-spacing: .08em; }
.layer-card h3 { margin: 1px 0 0; color: #fff; font-size: 1.02rem; line-height: 1.35; }
.layer-card p { margin: 18px 0 0; color: rgba(255,255,255,.58); font-size: .88rem; line-height: 1.72; }
.layer-card:nth-child(2) { border-color: rgba(77,197,139,.22); }
.layer-card:nth-child(2) .layer-card-head span { color: #74dfad; background: rgba(77,197,139,.09); }
.layer-card:nth-child(3) { border-color: rgba(147,112,219,.26); }
.layer-card:nth-child(3) .layer-card-head span { color: #c5a9ff; background: rgba(147,112,219,.11); }
.layer-card:nth-child(4) { border-color: rgba(255,255,255,.14); }
.layer-framework { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 14px; border: 1px solid rgba(164,203,238,.16); border-radius: 18px; overflow: hidden; background: rgba(255,255,255,.08); }
.layer-framework > div { padding: 22px 24px; background: rgba(2,13,27,.82); }
.layer-framework strong { color: var(--cyan-400); font-size: .82rem; letter-spacing: .03em; }
.layer-framework p { margin: 9px 0 0; color: rgba(255,255,255,.5); font-size: .78rem; line-height: 1.65; }

.operations-section { padding: 88px 0; }
.operations-layout { display: grid; grid-template-columns: 1fr .95fr; gap: 72px; align-items: start; }
.operations-copy > p { max-width: 650px; }
.check-list { list-style: none; padding: 0; margin: 32px 0 0; display: grid; gap: 13px; }
.check-list li { display: flex; align-items: center; gap: 11px; color: var(--ink-700); font-weight: 650; }
.check-list span { width: 25px; height: 25px; display: grid; place-items: center; border-radius: 50%; background: #e7f7ef; color: #13895a; font-size: .78rem; font-weight: 900; }
.operations-visual { min-height: 0; display: grid; place-items: start center; margin: 0; }
.operations-visual-image img { display: block; width: auto; max-width: 100%; height: min(560px, calc(100vh - 180px)); max-height: 560px; margin-inline: auto; object-fit: contain; }


.why-section { padding: 100px 0; background: #0b213c; color: #fff; }
.why-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; align-items: start; }
.why-intro h2 { max-width: 560px; }
.why-intro > p:not(.eyebrow) { max-width: 610px; margin: 24px 0 0; color: rgba(255,255,255,.66); font-size: 1.03rem; line-height: 1.78; }
.why-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.why-card { min-height: 230px; padding: 28px; border: 1px solid rgba(255,255,255,.11); border-radius: 17px; background: rgba(255,255,255,.035); }
.why-card strong { color: var(--cyan-400); font-size: 1.25rem; }
.why-card p { margin: 16px 0 0; color: rgba(255,255,255,.62); line-height: 1.72; }
.privacy-note { display: grid; grid-template-columns: 58px 1fr; gap: 22px; align-items: start; margin-top: 26px; padding: 28px 30px; border: 1px solid rgba(103,212,255,.26); border-radius: 18px; background: rgba(103,212,255,.055); }
.privacy-icon { width: 58px; height: 58px; display: grid; place-items: center; border: 1px solid rgba(103,212,255,.35); border-radius: 16px; color: var(--cyan-400); background: rgba(103,212,255,.05); }
.privacy-icon svg { width: 29px; height: 29px; }
.privacy-note strong { display: block; color: #fff; font-size: 1.15rem; }
.privacy-note p { margin: 9px 0 0; color: rgba(255,255,255,.66); line-height: 1.75; }

.contact-section { padding: 100px 0; background: #061426; }
.contact-section::before { content: ""; position: absolute; inset: 0; opacity: .12; background-image: linear-gradient(30deg, transparent 48%, rgba(89,178,241,.5) 49%, rgba(89,178,241,.5) 51%, transparent 52%); background-size: 180px 180px; }
.contact-card { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 70px; padding: 54px 58px; border: 1px solid rgba(255,255,255,.13); border-radius: 26px; background: rgba(255,255,255,.025); }
.contact-card > div { max-width: 710px; }
.contact-card > div > p:last-child { color: rgba(255,255,255,.62); }
.contact-phone { display: grid; grid-template-columns: 52px auto; align-items: center; column-gap: 15px; min-width: 330px; padding: 19px 22px; border: 1px solid rgba(255,255,255,.26); border-radius: 16px; background: rgba(255,255,255,.035); transition: transform var(--transition), background var(--transition); }
.contact-phone:hover, .contact-phone:focus-visible { transform: translateY(-3px); background: rgba(255,255,255,.07); }
.contact-phone > span { grid-row: 1 / span 2; width: 52px; height: 52px; display: grid; place-items: center; border: 1px solid rgba(103,212,255,.5); border-radius: 50%; color: var(--cyan-400); }
.contact-phone svg { width: 25px; height: 25px; }
.contact-phone small { color: rgba(255,255,255,.55); font-size: .85rem; }
.contact-phone strong { color: #fff; font-size: 1.35rem; }

.legal-section { padding: 96px 0; background: #f4f7fb; color: var(--ink-700); }
.legal-heading { max-width: 760px; }
.legal-heading > p:last-child { margin-top: 18px; color: var(--ink-500); font-size: 1.02rem; line-height: 1.72; }
.legal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 40px; }
.legal-card { display: grid; grid-template-columns: 58px 1fr; gap: 20px; align-items: start; min-height: 260px; padding: 30px; border: 1px solid #dbe5ef; border-radius: 20px; background: #fff; box-shadow: 0 14px 34px rgba(29,58,91,.06); }
.legal-card-primary { border-color: rgba(47,132,255,.28); background: linear-gradient(145deg, #ffffff, #f8fbff); }
.legal-icon { width: 58px; height: 58px; display: grid; place-items: center; border-radius: 16px; color: var(--blue-600); background: #eaf4ff; }
.legal-icon svg { width: 29px; height: 29px; }
.legal-card h3, .legal-note h3 { margin: 0; color: var(--ink-900); font-size: 1.18rem; }
.legal-card address { margin-top: 16px; color: var(--ink-600); font-style: normal; line-height: 1.75; }
.legal-card p { margin: 18px 0 0; color: var(--ink-600); line-height: 1.72; }
.legal-card a { color: var(--blue-600); font-weight: 750; }
.legal-card a:hover, .legal-card a:focus-visible { text-decoration: underline; }
.legal-notes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 18px; }
.legal-note { padding: 26px; border: 1px solid #dbe5ef; border-radius: 18px; background: rgba(255,255,255,.78); }
.legal-note p { margin: 14px 0 0; color: var(--ink-600); font-size: .92rem; line-height: 1.72; }

.site-footer { padding: 48px 0; background: #030d19; color: rgba(255,255,255,.62); }
.footer-inner { display: grid; grid-template-columns: 240px 1fr auto; gap: 26px 46px; align-items: center; }
.footer-brand img { width: 100%; }
.footer-inner p { margin: 0; font-size: .9rem; }
.footer-links { display: flex; gap: 22px; font-size: .86rem; font-weight: 650; }
.footer-links a:hover, .footer-links a:focus-visible { color: #fff; }
.footer-inner small { grid-column: 1 / -1; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.08); color: rgba(255,255,255,.36); }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity 700ms ease, transform 700ms ease; }
.reveal.revealed { opacity: 1; transform: translateY(0); }
.reveal-delay { transition-delay: 100ms; }

@media (max-width: 1280px) {
  .header-cta { display: none; }
  .hero-layout { grid-template-columns: 1fr; }
  .hero-copy { max-width: 820px; }
  .product-stage { max-width: 920px; width: 100%; margin-inline: auto; justify-self: center; }
  .hero { padding-bottom: 90px; }
  .architecture-board { grid-template-columns: 1fr; gap: 16px; }
  .architecture-arrow { height: 30px; transform: rotate(90deg); }
  .architecture-arrow span { width: 25px; }
  .layer-explainer { grid-template-columns: 1fr 1fr; }
  .deployment-strip { grid-template-columns: 1fr; gap: 14px; }
  .deployment-strip > i { width: 100%; height: 1px; }
  .deployment-strip > div { justify-content: flex-start; }
}

@media (max-width: 900px) {
  :root { --shell: min(100% - 32px, 760px); }
  .section { padding: 82px 0; }
  .header-inner { min-height: 72px; }
  .brand { width: 210px; }
  .nav-toggle { display: block; margin-left: auto; }
  .primary-nav { position: absolute; top: 72px; left: 16px; right: 16px; display: grid; gap: 0; padding: 10px; border: 1px solid rgba(255,255,255,.1); border-radius: 14px; background: rgba(4,16,31,.98); box-shadow: 0 22px 50px rgba(0,0,0,.3); transform: translateY(-10px); opacity: 0; visibility: hidden; transition: opacity var(--transition), transform var(--transition), visibility var(--transition); }
  .primary-nav.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .primary-nav a { padding: 12px 14px; border-radius: 8px; }
  .primary-nav a:hover { background: rgba(255,255,255,.05); }
  .nav-toggle[aria-expanded="true"] span:not(.sr-only):nth-child(2) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:not(.sr-only):nth-child(3) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:not(.sr-only):nth-child(4) { transform: translateY(-7px) rotate(-45deg); }
  .hero { min-height: auto; padding-top: 132px; }
  .hero h1 { font-size: clamp(2.9rem, 8vw, 4.1rem); }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .split-heading, .operations-layout, .why-grid, .contact-card, .legal-grid { grid-template-columns: 1fr; gap: 38px; }
  .operations-section { padding: 78px 0; }
  .operations-visual-image img { width: min(100%, 620px); height: auto; max-height: none; }
  .contact-phone { min-width: 0; width: 100%; max-width: 420px; }
  .legal-notes { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-brand { width: 230px; }
  .footer-inner small { grid-column: auto; }
}

@media (max-width: 680px) {
  :root { --shell: calc(100% - 24px); }
  .brand { width: 180px; }
  .hero { padding-top: 118px; }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .trust-row { display: grid; gap: 10px; }
  .product-stage { padding: 18px 0 40px; }
  .browser-frame { transform: none; border-radius: 14px; }
  .browser-address { display: none; }
  .app-shell { grid-template-columns: 58px minmax(0,1fr); min-height: 450px; }
  .app-sidebar { padding-inline: 5px; }
  .app-sidebar nav a span { display: none; }
  .app-main { padding: 12px; }
  .metric-grid { grid-template-columns: 1fr; }
  .metric-grid article:nth-child(3) { display: none; }
  .dashboard-grid { grid-template-columns: 1fr; }
  .system-preview { display: none; }
  .stage-note { display: none; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 0; }
  .stack-row { grid-template-columns: 1fr; gap: 10px; }
  .stack-link { height: 22px; }
  .stack-link::before { content: "↓"; margin-right: 4px; }
  .layer-explainer { grid-template-columns: 1fr; }
  .layer-card { min-height: 0; }
  .layer-framework { grid-template-columns: 1fr; }
  .deployment-strip { padding: 20px; }
  .operations-visual { min-height: 0; overflow: visible; }
  .operations-visual-image img { width: min(100%, 520px); height: auto; max-height: none; }
  .why-cards { grid-template-columns: 1fr; }
  .privacy-note { grid-template-columns: 1fr; padding: 24px; }
  .why-card { min-height: 0; }
  .contact-card { padding: 34px 24px; }
  .legal-section { padding: 76px 0; }
  .legal-card { grid-template-columns: 1fr; padding: 24px; }
  .contact-phone { grid-template-columns: 45px auto; padding: 16px; }
  .contact-phone > span { width: 45px; height: 45px; }
  .contact-phone strong { font-size: 1.08rem; }
}

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