:root {
  --ink: #f3f7fb;
  --muted: #9baec0;
  --line: #293b4d;
  --paper: #091521;
  --white: #102131;
  --blue: #55a9ff;
  --blue-dark: #3188e2;
  --cyan: #65d6dc;
  --lime: #c7ee61;
  --shadow: 0 24px 70px rgba(28, 45, 65, 0.18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Segoe UI", Inter, Arial, sans-serif; letter-spacing: 0; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
img { display: block; max-width: 100%; }

.site-header { position: sticky; top: 0; z-index: 50; height: 72px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 28px; padding: 0 4vw; background: rgba(7, 18, 29, 0.94); border-bottom: 1px solid rgba(41, 59, 77, 0.9); backdrop-filter: blur(16px); }
.brand { display: inline-flex; align-items: center; gap: 10px; width: max-content; font-size: 19px; font-weight: 750; }
.brand img { width: 30px; height: 30px; object-fit: contain; }
.site-header nav { display: flex; align-items: center; gap: 24px; font-size: 14px; color: #a8b8c7; }
.site-header nav a[aria-current="page"] { color: white; }
.nav-demo { padding: 0; color: inherit; background: none; border: 0; cursor: pointer; }
.nav-demo:hover { color: var(--blue); }
.site-header nav a:hover { color: var(--blue); }
.site-header > .button { justify-self: end; }
.menu-button { display: none; background: none; border: 0; }

.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 48px; padding: 0 20px; color: white; background: var(--blue); border: 1px solid var(--blue); border-radius: 6px; font-size: 14px; font-weight: 700; box-shadow: 0 8px 20px rgba(40, 111, 212, 0.2); transition: transform 180ms ease, background 180ms ease; }
.button:hover { transform: translateY(-2px); background: var(--blue-dark); }
.button-small { min-height: 40px; padding: 0 16px; }
.eyebrow { margin: 0 0 16px; color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; }

.hero { min-height: calc(100svh - 72px); display: grid; grid-template-columns: minmax(320px, 0.78fr) minmax(590px, 1.22fr); align-items: center; gap: 6vw; max-width: 1540px; margin: 0 auto; padding: 6vh 4vw 9vh; overflow: hidden; }
.hero-copy { position: relative; z-index: 2; }
.hero h1 { max-width: 690px; margin: 0; font-size: clamp(54px, 6.1vw, 96px); line-height: 0.94; font-weight: 780; }
.hero-lede { max-width: 650px; margin: 28px 0 0; color: var(--muted); font-size: clamp(17px, 1.45vw, 21px); line-height: 1.65; }
.hero-actions { display: flex; align-items: center; gap: 24px; margin-top: 32px; }
.text-link { display: inline-flex; align-items: center; gap: 10px; padding: 0; color: var(--ink); background: none; border: 0; cursor: pointer; font-size: 14px; font-weight: 750; }
.play { width: 30px; height: 30px; display: grid; place-items: center; padding-left: 2px; color: var(--blue); border: 1px solid #b8c6d4; border-radius: 50%; font-size: 9px; }
.trust-row { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 34px; color: #9fb0c0; font-size: 12px; font-weight: 650; }
.trust-row span::before { content: "✓"; margin-right: 7px; color: #168b74; }
.hero-product { position: relative; width: min(830px, 60vw); background: #102131; border: 1px solid #33495d; border-radius: 7px; box-shadow: 0 30px 90px rgba(0, 0, 0, 0.46); transform: perspective(1400px) rotateY(-4deg); transform-origin: right center; }
.hero-product > img { width: 100%; border-radius: 0 0 6px 6px; }
.window-bar { height: 36px; display: flex; align-items: center; gap: 7px; padding: 0 12px; color: #93a7b8; background: #14283a; border-bottom: 1px solid #30475a; border-radius: 7px 7px 0 0; }
.window-bar span, .demo-browser-bar span { width: 8px; height: 8px; border-radius: 50%; background: #bbc4cc; }
.window-bar small { margin-left: 8px; }
.hero-signal { position: absolute; right: -22px; bottom: -28px; display: flex; align-items: baseline; gap: 10px; padding: 16px 20px; color: #f5f9fc; background: #10283d; border: 1px solid #31506a; border-radius: 5px; box-shadow: 0 16px 38px rgba(0, 0, 0, 0.42); }
.hero-signal b { font-size: 25px; }.hero-signal span { color: #cdd8e1; font-size: 12px; }

.capability-strip { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 18px; padding: 22px 4vw; color: #dbe6ef; background: #10283d; border-block: 1px solid #294257; font-size: 11px; font-weight: 750; letter-spacing: 0.1em; text-transform: uppercase; }
.capability-strip i { width: 4px; height: 4px; background: var(--lime); transform: rotate(45deg); }

.intro { max-width: 920px; margin: 0 auto; padding: 130px 4vw 76px; text-align: center; }
.intro h2, .privacy-band h2, .demo-heading h2, .closing h2 { margin: 0; font-size: clamp(40px, 5vw, 72px); line-height: 1.02; }
.intro > p:last-child { max-width: 720px; margin: 24px auto 0; color: var(--muted); font-size: 18px; line-height: 1.7; }

.feature-showcase { max-width: 1450px; margin: 0 auto; padding: 0 4vw 140px; }
.feature-tabs { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.feature-tab { min-height: 62px; color: #657382; background: none; border: 0; border-right: 1px solid var(--line); cursor: pointer; font-size: 13px; font-weight: 750; }
.feature-tab:last-child { border-right: 0; }
.feature-tab.active { color: var(--blue); box-shadow: inset 0 -3px var(--blue); }
.feature-frame { display: grid; grid-template-columns: 0.34fr 0.66fr; gap: 64px; align-items: center; padding-top: 62px; }
.feature-copy h3 { margin: 0; font-size: clamp(34px, 3.4vw, 52px); line-height: 1.05; }
.feature-copy > p:last-child { margin: 22px 0 0; color: var(--muted); font-size: 17px; line-height: 1.7; }
.feature-image-shell { padding: 10px; background: #122638; border: 1px solid #30475b; border-radius: 7px; box-shadow: 0 28px 70px rgba(0, 0, 0, 0.34); }
.feature-image-shell img { width: 100%; border-radius: 3px; }

.privacy-band { display: grid; grid-template-columns: 1fr 0.72fr; gap: 42px 8vw; padding: 120px max(4vw, calc((100vw - 1320px) / 2)); color: white; background: #10283d; }
.eyebrow.light { color: #72d7dc; }
.privacy-band > p { align-self: end; margin: 0 0 6px; color: #c2d0da; font-size: 18px; line-height: 1.7; }
.privacy-points { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 36px; background: rgba(255,255,255,0.16); }
.privacy-points article { min-height: 220px; padding: 34px; background: #10283d; }
.privacy-points b { color: var(--lime); font-size: 12px; letter-spacing: 0.12em; }
.privacy-points h3 { margin: 42px 0 10px; font-size: 21px; }
.privacy-points p { margin: 0; color: #b9c9d3; line-height: 1.6; }

.demo-callout { max-width: 1450px; margin: 0 auto; padding: 130px 4vw; }
.demo-heading { display: grid; grid-template-columns: 1fr 0.75fr; gap: 80px; align-items: end; margin-bottom: 54px; }
.demo-heading > div:last-child { max-width: 600px; justify-self: end; }
.demo-heading > div:last-child p { margin: 0 0 18px; color: var(--muted); line-height: 1.7; }
.demo-heading .button { margin-top: 8px; }

.closing { display: flex; flex-direction: column; align-items: center; padding: 110px 4vw 130px; text-align: center; background: #0d1c2a; border-top: 1px solid var(--line); }
.closing > img { width: 58px; height: 58px; margin-bottom: 30px; object-fit: contain; }
.closing > p:not(.eyebrow) { margin: 22px 0 28px; color: var(--muted); font-size: 18px; }

footer { display: grid; grid-template-columns: 1fr 1.4fr auto; align-items: center; gap: 24px; padding: 42px 4vw 28px; color: #c2ced7; background: #0b1d2d; }
footer .brand { color: white; }
footer > p { margin: 0; font-size: 13px; }
footer > div { display: flex; gap: 24px; font-size: 13px; }
footer small { grid-column: 1 / -1; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.12); color: #7f919f; }

.page-hero { max-width: 1380px; margin: 0 auto; padding: 110px 4vw 76px; }
.page-hero.compact { max-width: 1040px; text-align: center; }
.page-hero h1 { max-width: 980px; margin: 0; font-size: clamp(48px, 6vw, 86px); line-height: 0.98; }
.page-hero > p:last-child { max-width: 760px; margin: 26px 0 0; color: var(--muted); font-size: 19px; line-height: 1.7; }
.page-hero.compact > p:last-child { margin-inline: auto; }
.page-visual { max-width: 1380px; margin: 0 auto; padding: 0 4vw 120px; }
.page-visual img { width: 100%; border: 10px solid #122638; border-radius: 7px; box-shadow: 0 32px 90px rgba(0,0,0,.38); }
.content-band { padding: 110px max(4vw, calc((100vw - 1280px) / 2)); border-top: 1px solid var(--line); }
.content-band.alt { background: #0d1c2a; }
.section-heading { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; margin-bottom: 62px; }
.section-heading h2 { margin: 0; font-size: clamp(36px, 4vw, 58px); line-height: 1.06; }
.section-heading p { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.75; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.feature-grid article { min-height: 270px; padding: 32px; background: var(--paper); }
.feature-grid .number { color: var(--cyan); font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.feature-grid h3 { margin: 68px 0 12px; font-size: 22px; }
.feature-grid p { margin: 0; color: var(--muted); line-height: 1.65; }
.media-row { display: grid; grid-template-columns: 1fr 1fr; gap: 66px; align-items: center; margin-top: 70px; }
.media-row.reverse .media-copy { order: 2; }
.media-row img { width: 100%; border: 8px solid #142638; border-radius: 6px; box-shadow: 0 20px 55px rgba(0,0,0,.3); }
.media-copy h2 { margin: 0; font-size: clamp(34px, 4vw, 54px); line-height: 1.05; }
.media-copy p { color: var(--muted); line-height: 1.7; }
.detail-list { display: grid; gap: 14px; margin-top: 28px; }
.detail-list span { padding: 15px 0; border-bottom: 1px solid var(--line); color: #cad5de; }
.detail-list span::before { content: "✓"; margin-right: 10px; color: var(--cyan); }
.steps { counter-reset: steps; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.steps article { position: relative; min-height: 260px; padding: 34px; background: #102131; border: 1px solid var(--line); border-radius: 6px; }
.steps article::before { counter-increment: steps; content: "0" counter(steps); color: var(--cyan); font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.steps h3 { margin: 56px 0 12px; font-size: 23px; }.steps p { color: var(--muted); line-height: 1.65; }
.policy-layout { display: grid; grid-template-columns: 260px minmax(0, 760px); gap: 80px; max-width: 1120px; margin: 0 auto; padding: 40px 4vw 120px; }
.policy-nav { position: sticky; top: 100px; align-self: start; display: grid; gap: 6px; }
.policy-nav a { padding: 10px 12px; color: var(--muted); border-left: 2px solid var(--line); font-size: 13px; }
.policy-nav a:hover { color: white; border-color: var(--blue); }
.policy-copy section { padding: 34px 0; border-bottom: 1px solid var(--line); }
.policy-copy h2 { margin: 0 0 16px; font-size: 28px; }.policy-copy p, .policy-copy li { color: var(--muted); line-height: 1.75; }
.support-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; max-width: 1100px; margin: 0 auto; padding: 0 4vw 120px; }
.support-card { padding: 34px; background: #102131; border: 1px solid var(--line); border-radius: 6px; }
.support-card h2 { margin: 0 0 12px; font-size: 24px; }.support-card p { min-height: 52px; color: var(--muted); line-height: 1.6; }
.support-card a { color: var(--blue); font-weight: 700; }
.demo-modal { position: fixed; inset: 0; z-index: 100; display: none; place-items: center; padding: 3vh 2vw; color: var(--ink); background: rgba(2,8,14,.84); backdrop-filter: blur(8px); }
.demo-modal.open { display: grid; }
.demo-modal-shell { display: grid; grid-template-rows: 60px 1fr; width: min(96vw, 1500px); height: min(94vh, 940px); overflow: hidden; background: #091521; border: 1px solid #3b5368; border-radius: 8px; box-shadow: 0 36px 120px rgba(0,0,0,.75); }
.demo-modal header { display: flex; align-items: center; justify-content: space-between; padding: 0 16px 0 20px; background: #102335; border-bottom: 1px solid #30475a; }
.demo-modal-brand { display: flex; align-items: center; gap: 11px; }.demo-modal-brand img { width: 34px; height: 34px; object-fit: contain; }.demo-modal-brand span { display: flex; flex-direction: column; gap: 2px; }.demo-modal-brand small { color: var(--muted); font-size: 11px; }
.demo-modal-actions { display: flex; align-items: center; gap: 16px; }.demo-modal-actions a { color: var(--blue); font-size: 12px; font-weight: 700; }.demo-modal-actions button { width: 36px; height: 36px; color: #dce7f0; background: #1a3043; border: 1px solid #3b5368; border-radius: 5px; cursor: pointer; font-size: 24px; line-height: 1; }
.demo-modal iframe { width: 100%; height: 100%; background: white; border: 0; } body.modal-open { overflow: hidden; }

@media (max-width: 1000px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-header nav, .site-header > .button { display: none; }
  .menu-button { display: grid; gap: 5px; padding: 12px; }
  .menu-button span { width: 22px; height: 2px; background: var(--ink); }
  .site-header.menu-open nav { position: absolute; top: 72px; left: 0; right: 0; display: flex; flex-direction: column; align-items: stretch; padding: 24px 4vw; background: var(--paper); border-bottom: 1px solid var(--line); }
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 86px; }
  .hero-copy { max-width: 760px; }
  .hero-product { width: 100%; margin-top: 28px; transform: none; }
  .feature-frame { grid-template-columns: 1fr; gap: 34px; }
  .privacy-band, .demo-heading { grid-template-columns: 1fr; }
  .demo-heading > div:last-child { justify-self: start; }
  .section-heading, .media-row, .policy-layout { grid-template-columns: 1fr; }
  .feature-grid, .steps { grid-template-columns: 1fr 1fr; }
  .policy-nav { position: static; grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
  .hero { padding: 72px 20px 80px; }
  .hero h1 { font-size: 52px; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .hero-signal { right: 12px; bottom: -42px; }
  .capability-strip { justify-content: flex-start; padding-left: 20px; }
  .intro, .feature-showcase, .demo-callout { padding-left: 20px; padding-right: 20px; }
  .feature-tabs { grid-template-columns: repeat(5, minmax(86px, 1fr)); overflow-x: auto; }
  .privacy-band { padding: 90px 20px; }
  .privacy-points { grid-template-columns: 1fr; }
  .privacy-points article { min-height: 170px; }
  .privacy-points h3 { margin-top: 26px; }
  .demo-stage { height: 66vh; min-height: 470px; overflow: auto; }
  footer { grid-template-columns: 1fr; }
  footer small { grid-column: 1; }
  .feature-grid, .steps, .support-grid { grid-template-columns: 1fr; }
  .media-row.reverse .media-copy { order: 0; }
  .demo-modal { padding: 0; }
  .demo-modal-shell { width: 100vw; height: 100vh; border: 0; border-radius: 0; }
  .demo-modal-actions a { display: none; }
}

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