:root {
  color-scheme: dark;
  --canvas: #050d0e;
  --surface: #071416;
  --card: #0b191b;
  --border: #203d40;
  --lime: #cbfa45;
  --mint: #04e8d7;
  --green: #00f39b;
  --white: #f7fcfc;
  --muted: #afbec4;
  --ink: #07100f;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--canvas); color: var(--white); font-family: Inter, "Segoe UI Variable", "Segoe UI", system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible, summary:focus-visible { outline: 2px solid var(--mint); outline-offset: 4px; }
::selection { background: var(--lime); color: var(--ink); }
.shell { width: min(1280px, calc(100% - 80px)); margin-inline: auto; }
.section { scroll-margin-top: 32px; }
.alternate { background: var(--surface); }
.skip-link { position: fixed; z-index: 20; top: -90px; left: 20px; padding: 12px 18px; border-radius: 8px; background: var(--lime); color: var(--ink); font-weight: 700; }
.skip-link:focus { top: 12px; }

.site-header { position: relative; z-index: 10; border-bottom: 1px solid rgba(32,61,64,.8); background: var(--canvas); }
.header-inner { height: 96px; display: flex; align-items: center; gap: 36px; }
.brand { display: inline-flex; align-items: center; flex: none; gap: 14px; }
.brand img { border-radius: 11px; }
.brand-copy { display: grid; gap: 3px; }
.brand-copy strong { font-size: 24px; letter-spacing: -.035em; line-height: 1; }
.brand-copy small { font-size: 9px; line-height: 1.3; letter-spacing: .13em; color: var(--muted); white-space: nowrap; }
.desktop-nav { display: flex; gap: 50px; align-items: center; margin-left: auto; }
.desktop-nav a, .site-footer nav a { color: var(--muted); font-size: 14px; transition: color .18s ease; }
.desktop-nav a:hover, .site-footer nav a:hover { color: var(--white); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 16px; min-height: 52px; padding: 0 26px; border-radius: 12px; font-size: 14px; font-weight: 700; white-space: nowrap; transition: transform .18s ease, background-color .18s ease, border-color .18s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--lime); color: var(--ink); }
.button-primary:hover { background: #d8ff77; }
.button-secondary { border: 1px solid var(--border); background: var(--card); color: var(--white); }
.button-secondary:hover { border-color: #3b7773; }
.button-dark { background: var(--ink); color: var(--white); }
.button-dark:hover { background: #1c3431; }
.header-action { min-width: 168px; margin-left: 54px; }
.mobile-menu { display: none; }

.eyebrow { margin: 0; color: var(--mint); font-size: 12px; font-weight: 800; letter-spacing: .025em; line-height: 1.4; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 42px; font-size: clamp(46px, 4.2vw, 64px); line-height: 1.17; letter-spacing: -.045em; }
h1 span { color: var(--lime); }
h2 { margin: 26px 0 22px; font-size: clamp(36px, 3.45vw, 50px); line-height: 1.15; letter-spacing: -.04em; }
h3 { margin: 0; letter-spacing: -.025em; }
.section-intro { max-width: 980px; margin-bottom: 0; color: var(--muted); font-size: 18px; line-height: 1.55; }

.hero { padding: 72px 0 0; }
.hero-grid { display: grid; grid-template-columns: minmax(0, .83fr) minmax(0, 1.17fr); gap: 44px; align-items: center; min-height: 560px; }
.hero-copy { padding-bottom: 36px; }
.hero-copy .eyebrow { margin-bottom: 40px; }
.hero-intro { max-width: 525px; margin-bottom: 52px; color: var(--muted); font-size: 18px; line-height: 1.6; }
.hero-actions { display: flex; gap: 14px; }
.hero-actions .button-primary { min-width: 218px; }
.hero-actions .button-secondary { min-width: 190px; }
.hero-note { display: flex; align-items: center; gap: 12px; margin: 34px 0 0; color: var(--muted); font-size: 13px; }
.status-dot { display: inline-block; flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--mint); }
.status-dot.pale { background: var(--white); }
.hero-media { position: relative; width: 100%; aspect-ratio: 728 / 590; align-self: stretch; }
.media-label { position: absolute; z-index: 1; top: 0; left: 1.4%; }
.desktop-shot { position: absolute; top: 4.8%; left: 0; width: 94.8%; border: 1px solid var(--border); border-radius: 18px; background: var(--card); box-shadow: 0 26px 60px rgba(0,0,0,.25); overflow: hidden; }
.desktop-shot img { width: 100%; height: auto; }
.extension-shot { position: absolute; top: 30.2%; left: 62.4%; width: 34.3%; border: 1px solid #305753; border-radius: 18px; background: var(--card); box-shadow: 0 25px 55px rgba(0,0,0,.55), 0 0 22px rgba(4,232,215,.06); overflow: hidden; }
.extension-shot img { width: 100%; height: auto; }
.hero-proof { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 4px; padding: 26px 0 37px; border-top: 1px solid var(--border); }
.hero-proof div { display: grid; gap: 10px; }
.hero-proof small { color: var(--mint); font-size: 10px; font-weight: 800; }
.hero-proof strong { font-size: 16px; font-weight: 650; }

.platform { padding: 86px 0 74px; }
.platform-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px; margin-top: 34px; }
.platform-card { display: flex; flex-direction: column; min-height: 570px; padding: 30px; border: 1px solid var(--border); border-radius: 20px; background: var(--card); }
.platform-card-head { display: flex; align-items: start; justify-content: space-between; gap: 20px; }
.tag { min-width: 190px; padding: 9px 14px; border: 1px solid var(--border); border-radius: 999px; color: var(--mint); font-size: 10px; font-weight: 800; line-height: 1.1; }
.card-index { color: var(--lime); font-size: 44px; font-weight: 800; letter-spacing: -.05em; line-height: 1; }
.platform-card h3 { max-width: 530px; margin: 30px 0 44px; font-size: 29px; line-height: 1.2; }
.platform-card > p { max-width: 510px; margin-bottom: 30px; color: var(--muted); font-size: 17px; line-height: 1.55; }
.mini-surface { margin-top: auto; padding: 24px; border: 1px solid var(--border); border-radius: 15px; background: var(--surface); }
.engine-surface > div { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.engine-surface > div strong { font-size: 15px; }
.engine-surface p { display: flex; gap: 15px; align-items: center; margin: 17px 0 0; padding-top: 18px; border-top: 1px solid var(--border); color: var(--muted); font-size: 12px; }
.research-surface small { color: var(--mint); font-size: 10px; font-weight: 800; }
.fake-input { margin-top: 15px; padding: 15px 17px; border: 1px solid var(--border); border-radius: 9px; color: var(--muted); font-size: 13px; }
.research-surface p { margin: 18px 0 0; color: var(--white); font-size: 12px; }

.workflow { padding: 76px 0 105px; }
.workflow h2 { max-width: 760px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; margin-top: 78px; }
.feature-card { min-height: 224px; padding: 26px 25px; border: 1px solid var(--border); border-radius: 17px; background: var(--card); }
.feature-number { color: var(--mint); font-size: 12px; font-weight: 800; }
.feature-card h3 { margin: 23px 0 12px; font-size: 21px; line-height: 1.2; }
.feature-card p { max-width: 310px; margin: 0; color: var(--muted); font-size: 15px; line-height: 1.35; }
.capabilities { padding: 76px 0 105px; }
.capabilities .feature-grid { margin-top: 77px; }

.security { padding: 78px 0 80px; }
.security-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 90px; align-items: center; }
.security .section-intro { max-width: 480px; margin-top: 42px; }
.security-list { padding: 14px 32px; border: 1px solid var(--border); border-radius: 20px; background: var(--card); }
.security-list > div { display: grid; grid-template-columns: 70px 1fr; padding: 25px 0; }
.security-list > div + div { border-top: 1px solid var(--border); }
.security-list > div > span { color: var(--lime); font-size: 23px; font-weight: 800; }
.security-list p { display: grid; gap: 8px; margin: 0; }
.security-list strong { font-size: 18px; }
.security-list small { color: var(--muted); font-size: 13px; line-height: 1.45; }

.closing { padding: 52px 0 50px; }
.closing-panel { display: flex; align-items: center; justify-content: space-between; gap: 35px; min-height: 275px; padding: 40px; border-radius: 20px; background: var(--lime); color: var(--ink); }
.closing .eyebrow { color: var(--ink); font-size: 11px; }
.closing h2 { max-width: 720px; margin: 24px 0 23px; font-size: clamp(34px, 3.2vw, 46px); }
.closing p:last-child { margin-bottom: 0; font-size: 16px; font-weight: 550; }
.closing .button { min-width: 190px; }
.site-footer { padding: 0 0 30px; }
.footer-top { display: flex; align-items: center; justify-content: space-between; padding: 36px 0 43px; border-top: 1px solid var(--border); }
.footer-top nav { display: flex; gap: 52px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; color: var(--muted); font-size: 13px; }
.footer-bottom p { margin-bottom: 0; }

@media (max-width: 1100px) {
  .shell { width: min(100% - 48px, 1280px); }
  .desktop-nav { gap: 25px; }
  .header-action { margin-left: 12px; }
  .hero-grid { gap: 25px; }
  .hero-actions { flex-wrap: wrap; }
  .platform-grid { gap: 20px; }
  .security-grid { gap: 40px; }
}

@media (min-width: 761px) and (max-width: 950px) {
  .hero-grid { display: block; min-height: 0; }
  .hero-copy { padding-bottom: 0; }
  .hero-copy .eyebrow { margin-bottom: 28px; }
  .hero-intro { margin-bottom: 30px; }
  .hero-media { max-width: 710px; margin: 38px auto 0; }
  .hero-proof { margin-top: 16px; }
}

@media (max-width: 760px) {
  .shell { width: calc(100% - 40px); }
  .header-inner { height: 76px; }
  .brand { gap: 9px; }
  .brand img { width: 40px; height: 40px; border-radius: 9px; }
  .brand-copy strong { font-size: 19px; }
  .brand-copy small { font-size: 8px; }
  .desktop-nav, .header-action { display: none; }
  .mobile-menu { display: block; position: relative; margin-left: auto; }
  .mobile-menu summary { display: grid; place-content: center; gap: 4px; width: 42px; height: 38px; border: 1px solid var(--border); border-radius: 10px; background: var(--card); cursor: pointer; list-style: none; }
  .mobile-menu summary::-webkit-details-marker { display: none; }
  .mobile-menu summary span { display: block; width: 17px; height: 2px; border-radius: 2px; background: var(--white); }
  .mobile-menu nav { display: grid; min-width: 195px; position: absolute; right: 0; top: 49px; padding: 8px; border: 1px solid var(--border); border-radius: 12px; background: #0c1d1d; box-shadow: 0 20px 45px rgba(0,0,0,.45); }
  .mobile-menu nav a { padding: 12px; border-radius: 7px; font-size: 14px; }
  .mobile-menu nav a:hover { background: #173033; }
  h2 { font-size: 36px; }
  .section-intro { font-size: 15px; }
  .eyebrow { font-size: 11px; }
  .hero { padding-top: 44px; }
  .hero-grid { display: block; min-height: auto; }
  .hero-copy { padding: 0; }
  .hero-copy .eyebrow { margin-bottom: 35px; }
  h1 { margin-bottom: 32px; font-size: clamp(34px, 9vw, 43px); line-height: 1.22; }
  .hero-intro { margin-bottom: 33px; font-size: 15px; line-height: 1.6; }
  .hero-actions { display: grid; gap: 12px; }
  .hero-actions .button { width: 100%; }
  .hero-note { margin-top: 20px; font-size: 11px; }
  .hero-media { margin-top: 48px; width: 100%; aspect-ratio: 350 / 325; }
  .media-label { display: none; }
  .desktop-shot { top: 0; left: 0; width: 95.7%; border-radius: 14px; }
  .extension-shot { top: 13%; left: 48.5%; width: 46.8%; border-radius: 12px; }
  .hero-proof { grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 18px; padding: 22px 0 34px; }
  .hero-proof small { font-size: 9px; }
  .hero-proof strong { font-size: 13px; }
  .platform { padding: 55px 0 70px; }
  .platform h2 { margin: 24px 0 22px; }
  .platform-grid { display: grid; grid-template-columns: 1fr; gap: 18px; margin-top: 30px; }
  .platform-card { min-height: 410px; padding: 20px 18px; border-radius: 18px; }
  .tag { min-width: 0; padding: 9px 12px; font-size: 9px; }
  .card-index { font-size: 26px; }
  .platform-card h3 { max-width: 300px; margin: 35px 0 24px; font-size: 24px; }
  .platform-card > p { margin-bottom: 25px; font-size: 14px; line-height: 1.55; }
  .mini-surface { padding: 16px; }
  .engine-surface p { gap: 9px; flex-wrap: wrap; font-size: 10px; }
  .research-surface p { font-size: 10px; }
  .workflow, .capabilities { padding: 50px 0 70px; }
  .workflow h2 { margin: 25px 0 25px; }
  .feature-grid, .capabilities .feature-grid { grid-template-columns: 1fr; gap: 12px; margin-top: 38px; }
  .feature-card { min-height: 180px; padding: 24px; }
  .feature-card h3 { margin: 20px 0 10px; }
  .security { padding: 53px 0 54px; }
  .security-grid { grid-template-columns: 1fr; gap: 28px; }
  .security h2 { margin: 25px 0 22px; }
  .security .section-intro { margin-top: 0; }
  .security-list { padding: 10px 18px; border-radius: 16px; }
  .security-list > div { grid-template-columns: 50px 1fr; padding: 22px 0; }
  .security-list strong { font-size: 16px; }
  .security-list small { font-size: 12px; }
  .closing { padding: 31px 0 37px; }
  .closing-panel { display: block; min-height: 0; padding: 22px; border-radius: 18px; }
  .closing h2 { margin: 26px 0 28px; font-size: 30px; }
  .closing p:last-child { font-size: 13px; line-height: 1.5; }
  .closing .button { width: 100%; margin-top: 38px; }
  .footer-top { display: grid; gap: 32px; padding: 30px 0 25px; }
  .footer-top nav { flex-wrap: wrap; gap: 18px 25px; }
  .footer-bottom { display: block; font-size: 12px; line-height: 1.5; }
  .footer-bottom p + p { margin-top: 10px; }
}

@media (max-width: 390px) {
  .shell { width: calc(100% - 32px); }
  .hero-media { margin-top: 40px; }
  .hero-proof { gap: 18px 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button, .desktop-nav a, .site-footer nav a { transition: none; }
}