:root {
  --ink: #0b1119;
  --ink-soft: #111c28;
  --ink-muted: #8d9aaa;
  --paper: #f4f7f8;
  --card: #ffffff;
  --line: #dfe6eb;
  --text: #15202b;
  --muted: #657383;
  --teal: #38d7c1;
  --teal-dark: #0f988a;
  --amber: #f2b56a;
  --radius: 22px;
  --max: 1180px;
  --shadow: 0 18px 55px rgba(12, 29, 43, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--text); background: var(--paper); font-family: Inter, "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif; line-height: 1.6; -webkit-font-smoothing: antialiased; }
html[lang="ar"] body { font-family: "Noto Sans Arabic", "Segoe UI", Tahoma, sans-serif; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; }
.container { width: min(var(--max), calc(100% - 48px)); margin: 0 auto; }
.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; }

.site-header { position: fixed; z-index: 20; inset: 0 0 auto; display: flex; align-items: center; justify-content: space-between; height: 78px; padding: 0 max(24px, calc((100vw - var(--max)) / 2)); color: #f9ffff; background: rgba(11,17,25,.74); border-bottom: 1px solid rgba(255,255,255,.09); backdrop-filter: blur(18px); transition: background .25s, height .25s, box-shadow .25s; }
.site-header.is-scrolled { height: 66px; background: rgba(11,17,25,.94); box-shadow: 0 8px 30px rgba(0,0,0,.18); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: .02em; }
.brand-mark { display: grid; width: 30px; height: 30px; place-items: center; color: var(--ink); background: var(--teal); border-radius: 10px; font-weight: 800; }
.site-nav { display: flex; align-items: center; gap: 26px; font-size: 14px; color: #cbd5dc; }
.site-nav a { transition: color .2s, transform .2s; }
.site-nav a:hover, .site-nav a:focus-visible { color: #fff; transform: translateY(-1px); }
.site-nav .nav-cta { padding: 10px 17px; color: var(--ink); background: var(--teal); border-radius: 999px; font-weight: 700; }
.site-nav .nav-cta:hover { color: var(--ink); background: #75f0de; }
.site-nav .nav-admin { color: #9eacb8; }
.language-picker { display: inline-flex; margin-left: 18px; }
.language-picker select { min-height: 32px; padding: 0 27px 0 11px; color: #d5e5e6; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.2); border-radius: 999px; cursor: pointer; font: inherit; font-size: 11px; font-weight: 750; letter-spacing: .03em; transition: color .2s, background .2s, border-color .2s, transform .2s; }
.language-picker select:hover, .language-picker select:focus-visible { color: var(--ink); background: var(--teal); border-color: var(--teal); transform: translateY(-1px); }
.language-picker option { color: var(--text); background: #fff; }
.menu-toggle { display: none; border: 0; color: #fff; background: transparent; cursor: pointer; }
.menu-toggle span { display: block; width: 23px; height: 2px; margin: 5px 0; background: currentColor; border-radius: 2px; }

.section { padding: 128px 0; }
.section-dark { color: #f7fbfc; background: var(--ink); }
.section-ink { color: #eaf4f4; background: #101b27; }
.section-light { background: var(--paper); }
.eyebrow { display: flex; align-items: center; gap: 9px; margin: 0 0 20px; color: #9eacb8; font-size: 12px; letter-spacing: .15em; text-transform: uppercase; }
.eyebrow-dark { color: var(--teal-dark); }
.eyebrow-dot, .status-pulse { width: 7px; height: 7px; display: inline-block; background: var(--teal); border-radius: 50%; box-shadow: 0 0 0 5px rgba(56,215,193,.12); }
.section-heading { max-width: 620px; margin-bottom: 55px; }
.section-heading.center { margin-right: auto; margin-left: auto; text-align: center; }
.section-heading.center .eyebrow { justify-content: center; }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-weight: 650; letter-spacing: -.045em; line-height: 1.1; }
h1 { max-width: 640px; margin-bottom: 24px; font-size: clamp(46px, 6.4vw, 83px); }
h1 em, h2 em { color: var(--teal); font-style: normal; }
h2 { margin-bottom: 18px; font-size: clamp(35px, 4.5vw, 57px); }
h2 span { color: #6a7883; }
h3 { margin-bottom: 10px; font-size: 21px; line-height: 1.3; letter-spacing: -.025em; }
.section-heading > p:last-child { color: var(--muted); font-size: 16px; }

.hero { position: relative; min-height: 760px; padding: 190px 0 105px; overflow: hidden; }
.hero-backdrop { position: absolute; inset: 0; background: radial-gradient(circle at 78% 32%, rgba(38,105,111,.38), transparent 30%), radial-gradient(circle at 12% 100%, rgba(24,51,68,.56), transparent 44%); pointer-events: none; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1fr) minmax(390px, .9fr); align-items: center; gap: 50px; }
.hero-copy { position: relative; z-index: 2; }
.hero-lede { max-width: 500px; margin-bottom: 32px; color: #aab8c2; font-size: 17px; }
.hero-actions, .final-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 13px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 47px; padding: 0 21px; border: 1px solid transparent; border-radius: 999px; font-size: 14px; font-weight: 700; transition: transform .2s, background .2s, border-color .2s, color .2s; }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.button-primary { color: var(--ink); background: var(--teal); }
.button-primary:hover { background: #77f3e0; }
.button-quiet { color: #c0cbd1; border-color: rgba(255,255,255,.19); }
.button-quiet:hover { color: #fff; border-color: rgba(255,255,255,.55); }
.button-outline { color: inherit; border-color: rgba(255,255,255,.28); }
.button-outline:hover { border-color: var(--teal); color: var(--teal); }
.download-meta { margin: 13px 0 0; color: #81929d; font-size: 12px; }
.final-cta .download-meta { color: #8fa5ad; }
.button[aria-disabled="true"] { cursor: default; opacity: .62; pointer-events: none; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 19px; margin-top: 62px; color: #80909b; font-size: 12px; }
.hero-proof span { padding-right: 19px; border-right: 1px solid rgba(255,255,255,.16); }
.hero-proof span:last-child { border-right: 0; }
.hero-proof strong { color: #e7f4f3; font-size: 13px; }
.hero-visual { position: relative; min-height: 490px; display: grid; place-items: center; }
.visual-glow, .scene-glow { position: absolute; width: 390px; height: 390px; border-radius: 50%; background: rgba(39,151,147,.21); filter: blur(48px); }
.vehicle-stage { position: relative; z-index: 2; width: min(100%, 530px); transform: translate(2%, 7%); filter: drop-shadow(0 32px 30px rgba(0,0,0,.45)); }
.vehicle-stage img { width: 100%; object-fit: contain; }
.hero-orbit { position: absolute; border: 1px solid rgba(102,230,211,.18); border-radius: 50%; transform: rotate(-18deg); }
.orbit-one { width: 490px; height: 220px; }
.orbit-two { width: 600px; height: 280px; opacity: .5; transform: rotate(18deg); }
.floating-card { position: absolute; z-index: 4; display: flex; align-items: center; gap: 10px; padding: 13px 16px; color: #dce9eb; background: rgba(23,39,49,.83); border: 1px solid rgba(255,255,255,.11); border-radius: 15px; box-shadow: 0 15px 35px rgba(0,0,0,.3); backdrop-filter: blur(12px); }
.floating-card small { display: block; color: #8da0a8; font-size: 12px; }
.floating-card strong { display: block; margin-top: 1px; font-size: 14px; }
.card-status { top: 16%; left: 4%; }
.card-status .card-chevron { margin-left: 8px; color: var(--teal); }
.card-range { right: 2%; bottom: 11%; }
.card-range strong { color: #f6ffff; font-size: 20px; }
.card-range i { color: #9db1b7; font-size: 12px; font-style: normal; font-weight: 400; }
.range-icon { color: var(--amber); font-size: 23px; }
.scroll-cue { position: absolute; bottom: 27px; left: 50%; display: flex; align-items: center; gap: 9px; color: #778892; font-size: 12px; letter-spacing: .12em; transform: translateX(-50%); }
.scroll-cue span { width: 22px; height: 1px; background: #778892; }

.capabilities { position: relative; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 17px; }
.feature-card { min-height: 260px; padding: 30px 28px; background: var(--card); border: 1px solid rgba(212,222,227,.7); border-radius: var(--radius); box-shadow: 0 7px 24px rgba(16,42,58,.04); transition: transform .25s, box-shadow .25s; }
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.feature-card-large { grid-column: span 2; min-height: 340px; background: linear-gradient(130deg, #dff8f4, #fff 60%); }
.feature-icon { display: grid; width: 42px; height: 42px; margin-bottom: 24px; place-items: center; color: var(--teal-dark); background: #e4f5f2; border-radius: 13px; font-size: 22px; }
.icon-signal { color: #1269a4; background: #e4f2fb; }
.icon-eye { color: #986b16; background: #fff0d9; }
.icon-automation { color: #7e49a0; background: #f1e4fa; }
.icon-shield { color: #47875f; background: #e0f3e9; }
.icon-sound { color: #bb5d4c; background: #fce8e2; }
.icon-plugin { color: #3f66a5; background: #e4eaf8; }
.feature-kicker { margin-bottom: 10px; color: var(--muted); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; }
.feature-card > p:not(.feature-kicker) { margin-bottom: 20px; color: var(--muted); font-size: 14px; }
.text-link { display: inline-flex; align-items: center; gap: 9px; color: var(--teal-dark); font-size: 13px; font-weight: 700; }
.text-link span { font-size: 17px; transition: transform .2s; }
.text-link:hover span { transform: translateX(4px); }
.feature-tag { display: inline-block; padding: 5px 10px; color: #6c7881; background: #edf1f2; border-radius: 99px; font-size: 12px; }
.mini-dashboard { display: flex; gap: 14px; margin-top: 24px; padding-top: 19px; border-top: 1px solid rgba(52,139,131,.18); }
.mini-dashboard span { display: flex; flex-direction: column; min-width: 72px; }
.mini-dashboard b { color: #1b4648; font-size: 18px; letter-spacing: -.04em; }
.mini-dashboard small { color: #718289; font-size: 12px; }
.mini-dashboard .unit { margin-left: 2px; color: #6b8b8a; font-size: 12px; }

.product-showcase { border-top: 1px solid rgba(213,224,228,.7); }
.showcase-grid { display: grid; grid-template-columns: 1.3fr .7fr; gap: 18px; }
.showcase-card { min-width: 0; margin: 0; overflow: hidden; background: var(--card); border: 1px solid rgba(212,222,227,.8); border-radius: var(--radius); box-shadow: 0 7px 24px rgba(16,42,58,.05); }
.showcase-card img { display: block; width: 100%; height: 315px; object-fit: cover; object-position: center; background: #121b24; }
.showcase-card-wide img { height: 390px; }
.showcase-card figcaption { display: flex; min-height: 108px; flex-direction: column; gap: 7px; padding: 21px 24px 24px; }
.showcase-card figcaption strong { color: var(--text); font-size: 18px; letter-spacing: -.02em; }
.showcase-card figcaption span { color: var(--muted); font-size: 13px; }

.scenes { overflow: hidden; }
.scene-grid { display: grid; grid-template-columns: .93fr 1fr; align-items: center; gap: 100px; }
.scene-visual { position: relative; min-height: 460px; display: grid; align-items: center; justify-items: center; }
.scene-visual img { position: relative; z-index: 1; width: min(100%, 555px); filter: drop-shadow(0 32px 27px rgba(0,0,0,.45)); }
.scene-glow { width: 330px; height: 330px; background: rgba(26,132,133,.23); }
.scene-label { position: absolute; z-index: 2; right: 4%; bottom: 13%; display: flex; align-items: center; gap: 8px; padding: 11px 14px; color: #bdd5d5; background: rgba(32,53,61,.86); border: 1px solid rgba(146,219,211,.2); border-radius: 11px; font-size: 12px; }
.scene-copy > p:not(.eyebrow) { max-width: 490px; color: #9badb6; }
.scene-list { margin: 33px 0; border-top: 1px solid rgba(255,255,255,.13); }
.scene-list div { display: grid; grid-template-columns: 82px 1fr 28px; gap: 13px; align-items: center; padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,.13); }
.scene-list span { color: #7b999c; font-size: 12px; }
.scene-list strong { color: #e0ecee; font-size: 13px; font-weight: 500; }
.scene-list i { color: #5c777c; font-size: 12px; font-style: normal; text-align: right; }

.workflow .section-heading { margin-bottom: 60px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--line); }
.step { position: relative; padding: 32px 28px 12px 0; border-right: 1px solid var(--line); }
.step + .step { padding-left: 31px; }
.step:last-child { border-right: 0; }
.step-number { display: block; margin-bottom: 36px; color: var(--teal-dark); font-size: 13px; font-weight: 700; }
.step p { max-width: 250px; color: var(--muted); font-size: 14px; }

.safety { padding-top: 105px; padding-bottom: 105px; background: #0d1822; }
.safety-inner { display: grid; grid-template-columns: 1fr .8fr; align-items: center; gap: 80px; }
.safety-copy > p:not(.eyebrow) { max-width: 510px; color: #97aab4; }
.safety-points { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 29px; }
.safety-points span { padding: 7px 11px; color: #b1cbc9; border: 1px solid rgba(114,205,194,.24); border-radius: 99px; font-size: 11px; }
.security-card { padding: 24px 25px; color: #cfdbde; background: #142632; border: 1px solid rgba(117,215,203,.18); border-radius: 18px; box-shadow: 0 24px 50px rgba(0,0,0,.25); }
.security-top { display: flex; align-items: center; gap: 11px; padding-bottom: 21px; border-bottom: 1px solid rgba(255,255,255,.12); }
.security-mark { display: grid; width: 34px; height: 34px; place-items: center; color: #0e3835; background: var(--teal); border-radius: 50%; font-weight: 800; }
.security-top small { display: block; color: #79939a; font-size: 12px; }
.security-top strong { display: block; margin-top: 1px; font-size: 14px; }
.security-bars { margin-left: auto; color: var(--teal); letter-spacing: 2px; }
.security-line { display: flex; justify-content: space-between; padding-top: 18px; color: #91a6af; font-size: 12px; }
.security-line b { color: #c7e1dd; font-weight: 500; }

.faq-grid { display: grid; grid-template-columns: .7fr 1fr; gap: 105px; }
.faq-list details { border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; color: var(--text); cursor: pointer; list-style: none; font-size: 15px; font-weight: 650; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--teal-dark); font-size: 23px; font-weight: 400; transition: transform .2s; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { max-width: 620px; margin: -6px 30px 21px 0; color: var(--muted); font-size: 13px; }

.final-cta { padding: 110px 0; background: #111f2b; }
.final-cta-inner { display: flex; align-items: end; justify-content: space-between; gap: 35px; }
.final-cta h2 { margin-bottom: 0; }
.final-actions { justify-content: flex-end; }
.site-footer { padding: 35px 0 39px; color: #8999a3; background: #0b1119; font-size: 12px; }
.footer-inner { display: grid; grid-template-columns: 1.1fr 1fr auto; align-items: center; gap: 30px; }
.footer-inner .brand { color: #e9f5f3; }
.footer-inner p { margin: 0; text-align: center; }
.footer-inner nav { display: flex; justify-content: flex-end; gap: 16px; }
.footer-inner nav a:hover { color: var(--teal); }
.footer-inner small { grid-column: 1 / -1; padding-top: 21px; border-top: 1px solid rgba(255,255,255,.1); color: #637580; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-delay { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; } .reveal { opacity: 1; transform: none; } }

@media (max-width: 900px) {
  .site-header { padding-right: 24px; padding-left: 24px; }
  .menu-toggle { display: block; }
  .language-picker { margin-left: auto; margin-right: 10px; }
  .site-nav { position: absolute; top: calc(100% + 1px); right: 16px; left: 16px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 10px; background: rgba(13,25,35,.98); border: 1px solid rgba(255,255,255,.1); border-radius: 16px; box-shadow: 0 22px 35px rgba(0,0,0,.3); }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 12px 13px; }
  .site-nav .nav-cta { margin-top: 6px; text-align: center; }
  .hero { min-height: auto; padding-top: 155px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 700px; }
  .hero-visual { min-height: 405px; }
  .card-status { left: 9%; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-card-large { grid-column: span 2; }
  .showcase-grid { grid-template-columns: 1fr; }
  .scene-grid { gap: 40px; }
  .faq-grid { gap: 50px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-inner p { grid-row: 2; grid-column: 1 / -1; text-align: left; }
  .footer-inner nav { justify-content: flex-start; }
}

html[dir="rtl"] .hero-grid,
html[dir="rtl"] .scene-grid,
html[dir="rtl"] .faq-grid,
html[dir="rtl"] .safety-inner,
html[dir="rtl"] .footer-inner { direction: rtl; }
html[dir="rtl"] .hero-proof span { padding-right: 0; padding-left: 19px; border-right: 0; border-left: 1px solid rgba(255,255,255,.16); }
html[dir="rtl"] .hero-proof span:last-child { border-left: 0; }
html[dir="rtl"] .scene-label { right: auto; left: 4%; }
html[dir="rtl"] .text-link:hover span { transform: translateX(-4px); }
html[dir="rtl"] .footer-inner p { text-align: right; }
html[dir="rtl"] .footer-inner nav { justify-content: flex-start; }
html[dir="rtl"] .final-actions { justify-content: flex-start; }
@media (max-width: 640px) {
  .container { width: min(var(--max), calc(100% - 34px)); }
  .section { padding: 86px 0; }
  h1 { font-size: clamp(42px, 13vw, 65px); }
  h2 { font-size: clamp(34px, 11vw, 48px); }
  .hero { padding-top: 135px; padding-bottom: 73px; }
  .hero-lede { font-size: 15px; }
  .hero-proof { gap: 10px; margin-top: 42px; }
  .hero-proof span { padding-right: 10px; }
  .hero-visual { min-height: 295px; margin-top: 10px; }
  .visual-glow { width: 270px; height: 270px; }
  .orbit-one { width: 315px; height: 150px; }
  .orbit-two { width: 380px; height: 180px; }
  .vehicle-stage { width: 118%; transform: translateY(7%); }
  .floating-card { padding: 10px 11px; }
  .card-status { top: 10%; left: 0; }
  .card-range { right: 0; bottom: 3%; }
  .scroll-cue { display: none; }
  .feature-grid, .scene-grid, .safety-inner, .faq-grid { grid-template-columns: 1fr; }
  .feature-card, .feature-card-large { grid-column: auto; min-height: 0; }
  .feature-card-large { min-height: 300px; }
  .showcase-card img, .showcase-card-wide img { height: auto; max-height: 280px; }
  .scene-visual { min-height: 310px; }
  .scene-label { right: 0; bottom: 4%; }
  .scene-copy { margin-top: 10px; }
  .steps { grid-template-columns: 1fr; }
  .step, .step + .step { padding: 24px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .step-number { margin-bottom: 17px; }
  .step:last-child { border-bottom: 0; }
  .safety { padding-top: 80px; padding-bottom: 80px; }
  .security-card { margin-top: 8px; }
  .final-cta-inner { display: block; }
  .final-actions { justify-content: flex-start; margin-top: 30px; }
  .footer-inner { grid-template-columns: 1fr; gap: 18px; }
  .footer-inner p { grid-row: auto; }
  .footer-inner nav { flex-wrap: wrap; }
  .footer-inner small { grid-column: auto; }
}
@media (max-width: 640px) {
  html[dir="rtl"] .hero-proof span { padding-right: 0; padding-left: 10px; }
  html[dir="rtl"] .scene-label { right: auto; left: 0; }
}