/* CIFU AI Dashcam preview. Palette: navy + teal (shared with IC360) + amber accent. No external requests. */
:root{--navy:#0b1626;--navy-2:#13233a;--navy-3:#1b3050;--ink:#18222f;--muted:#566275;--line:#e1e6ee;--bg-alt:#f3f6fa;--teal:#14b8a6;--teal-dk:#0f8f82;--teal-lt:#2dd4bf;--amber:#f5b454;--red:#ef6a5b;--radius:16px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);line-height:1.6;background:#fff;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
.container{max-width:1160px;margin:0 auto;padding:0 24px}
.narrow{max-width:820px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:50}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* header */
.site-header{position:sticky;top:0;z-index:30;background:rgba(11,22,38,.94);backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.07)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:700;letter-spacing:-.01em}
.logo b{color:var(--teal-lt);font-weight:600}
.logo-mark{width:30px;height:30px}
nav{display:flex;gap:26px;align-items:center}
nav a{color:#c5cfdd;text-decoration:none;font-size:.92rem;font-weight:500}
nav a:hover{color:#fff}
nav .nav-cta{background:var(--amber);color:#2a1c00;padding:9px 18px;border-radius:999px;font-weight:700}
nav .nav-cta:hover{background:#ffc972;color:#2a1c00}
.menu-btn{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;align-items:center}
.menu-btn span{display:block;width:22px;height:2px;background:#fff;border-radius:2px}

/* hero */
.hero{position:relative;background:var(--navy);color:#fff;overflow:hidden;padding:96px 0 88px}
.hero-bg{position:absolute;inset:0;background:linear-gradient(100deg,rgba(11,22,38,.96) 30%,rgba(11,22,38,.7) 70%,rgba(11,22,38,.55)),url(../assets/stock/night-highway.jpg) center/cover}
.hero-grid{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.76rem;font-weight:700;color:var(--teal-lt);margin-bottom:14px}
.eyebrow.dark{color:var(--teal-dk)}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.5rem);line-height:1.1;letter-spacing:-.028em;font-weight:750}
.lead{font-size:1.12rem;color:#c8d2e0;max-width:600px;margin-top:22px}
.hero-actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 24px;border-radius:999px;font-weight:700;text-decoration:none;font-size:.95rem;border:0;cursor:pointer;font-family:inherit}
.btn-primary{background:var(--teal);color:#05201c}
.btn-primary:hover{background:var(--teal-lt)}
.btn-ghost{border:1px solid rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber)}
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.chips li{border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);padding:6px 14px;border-radius:999px;font-size:.84rem;color:#dbe4f0}
.hero-product{position:relative;text-align:center}
.hero-product img{position:relative;width:min(100%,460px);margin:0 auto;filter:drop-shadow(0 24px 40px rgba(0,0,0,.5))}
.glow{position:absolute;left:50%;top:50%;width:420px;height:420px;transform:translate(-50%,-50%);background:radial-gradient(circle,rgba(20,184,166,.35),transparent 65%)}
.media-tag{display:inline-block;margin-top:12px;font-size:.72rem;letter-spacing:.02em;padding:3px 10px;border-radius:6px;font-weight:600}
.media-tag.real{background:rgba(245,180,84,.16);color:var(--amber);border:1px dashed rgba(245,180,84,.55)}
.section:not(.section-dark) .media-tag.real{color:#8a5a06;background:#fff6e5}

/* strip */
.strip{background:var(--navy-2);color:#fff;border-top:1px solid rgba(255,255,255,.06)}
.strip-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.strip-item{padding:26px 24px;border-right:1px solid rgba(255,255,255,.08)}
.strip-item:last-child{border-right:0}
.strip-item h3{font-size:1rem;margin-bottom:4px}
.strip-item p{font-size:.87rem;color:#a9b6c9}
.strip-item a{display:inline-block;margin-top:10px;font-size:.87rem;color:var(--amber);font-weight:600;text-decoration:none}

/* sections */
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}
.section-dark{background:var(--navy);color:#fff}
.section h2{font-size:clamp(1.65rem,3.2vw,2.3rem);letter-spacing:-.022em;line-height:1.18;max-width:760px;font-weight:720}
.section-lead{color:var(--muted);margin-top:14px;max-width:640px}
.section-dark .section-lead{color:#b8c4d6}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.pillars{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.pillar{padding:24px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.pillar-num{font-weight:700;color:var(--teal-dk);font-size:.85rem;display:block;margin-bottom:12px}
.pillar h3{font-size:1.08rem;margin-bottom:6px}
.pillar p{color:var(--muted);font-size:.93rem}

.cards4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px}
.scene{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.scene img{height:170px;width:100%;object-fit:cover}
.scene div{padding:20px}
.scene h3{font-size:1.04rem;margin-bottom:6px}
.scene p{color:var(--muted);font-size:.9rem}

/* features */
.main-feats{margin:22px 0 0}
.feature-split{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:40px}
.feature-col{background:var(--navy-2);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:30px}
.feature-col header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.feature-col h3{font-size:1.3rem}
.feature-col>p{color:#b8c4d6;font-size:.95rem}
.tag{font-size:.72rem;font-weight:800;letter-spacing:.1em;padding:4px 10px;border-radius:6px}
.tag-adas{background:var(--teal);color:#05201c}.tag-dms{background:var(--amber);color:#2a1c00}
.feature-list{list-style:none;margin:20px 0;display:grid;gap:10px}
.feature-list li{display:flex;gap:14px;align-items:baseline;padding:10px 14px;background:rgba(255,255,255,.05);border-radius:10px}
.feature-list b{color:#fff;min-width:48px}
.feature-list span{color:#b8c4d6;font-size:.9rem}
.feature-list.two{grid-template-columns:1fr 1fr}
.feature-list.two li{padding:10px 14px}
.frame{margin-top:8px}
.frame img{border-radius:12px;width:100%;border:1px solid rgba(255,255,255,.12)}
.extras{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px}
.extras article{padding:22px;border-left:3px solid var(--teal)}
.extras h4{font-size:1rem;margin-bottom:6px}
.extras p{color:#b8c4d6;font-size:.9rem}

/* hardware */
.ticks{list-style:none;display:grid;gap:10px;margin-top:22px}
.ticks li{padding-left:26px;position:relative}
.ticks li::before{content:"";position:absolute;left:0;top:.55em;width:10px;height:10px;border-radius:50%;background:var(--teal)}
.gallery{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.gallery figure{background:radial-gradient(circle at 50% 40%,var(--navy-3),var(--navy));border-radius:var(--radius);padding:14px;aspect-ratio:1}
.gallery img{width:100%;height:100%;object-fit:contain}
.gallery .wide{grid-column:1/-1;margin:0}

.placeholder-frame{border:2px dashed #b9c4d4;border-radius:var(--radius);display:grid;place-items:center;text-align:center;padding:20px;background:repeating-linear-gradient(135deg,#fff,#fff 12px,#f6f8fb 12px,#f6f8fb 24px);color:var(--muted);font-size:.88rem}
.placeholder-frame b,.placeholder-inline b{display:block;color:#b36b00;letter-spacing:.14em;font-size:.72rem;margin-bottom:6px}
.gallery .placeholder-frame{aspect-ratio:1}
.placeholder-frame.wide{min-height:200px}

/* how */
.steps{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px;counter-reset:s}
.steps li{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:relative}
.step-n{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--navy);color:var(--amber);font-weight:800;margin-bottom:14px}
.steps h3{font-size:1.1rem;margin-bottom:6px}
.steps p{color:var(--muted);font-size:.92rem}
.platform{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center;margin-top:64px}
.platform h3{font-size:1.4rem;max-width:420px}
.fine{font-size:.8rem;color:var(--muted);margin-top:16px}
.section-dark .fine{color:#8fa0b8}
.mock{background:var(--navy);border-radius:14px;overflow:hidden;box-shadow:0 30px 60px -20px rgba(11,22,38,.5);border:1px solid #243a59}
.mock-bar{display:flex;align-items:center;gap:6px;padding:10px 14px;background:var(--navy-2);color:#9fb0c8;font-size:.78rem}
.mock-bar i{width:9px;height:9px;border-radius:50%;background:#33496a}
.mock-bar span{margin-left:10px}
.mock-body{display:grid;grid-template-columns:1.4fr 1fr;gap:14px;padding:14px}
.mock-video{position:relative;aspect-ratio:16/10;border-radius:10px;background:repeating-linear-gradient(135deg,#0f1d31,#0f1d31 14px,#12233b 14px,#12233b 28px);display:grid;place-items:center;border:1px dashed #3b5578}
.placeholder-inline{text-align:center;color:#8fa0b8;font-size:.78rem;padding:10px}
.mock-hud{z-index:2;position:absolute;left:8px;bottom:8px;display:flex;gap:6px}
.mock-hud span{background:rgba(0,0,0,.6);color:#fff;font-size:.68rem;padding:2px 8px;border-radius:5px}
.mock-hud span:first-child{background:var(--amber);color:#2a1c00;font-weight:700}
.mock-side{display:grid;gap:8px;align-content:start}
.mock-item{background:var(--navy-2);color:#dbe4f0;border-radius:8px;padding:9px 12px;font-size:.8rem;display:flex;flex-wrap:wrap;gap:4px 8px;align-items:center;border:1px solid transparent}
.mock-item.on{border-color:var(--teal)}
.mock-item small{width:100%;color:#8fa0b8;padding-left:16px}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block}.dot.amber{background:var(--amber)}.dot.teal{background:var(--teal)}.dot.red{background:var(--red)}
.mock-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:4px}
.mock-actions button{border:0;border-radius:8px;padding:8px 0;font-weight:700;font-size:.78rem;font-family:inherit}
.pass{background:var(--teal);color:#05201c}.fail{background:var(--red);color:#2a0a05}.talk{background:transparent;color:#fff;border:1px solid #3b5578!important}

/* caps */
.caps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}
.caps article{border-top:3px solid var(--teal);padding:20px 4px 0}
.caps h3{margin-bottom:8px}
.caps p{color:var(--muted);font-size:.93rem}

/* benefits */
.benefits{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}
.benefits article{background:var(--navy-2);border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);padding:26px}
.benefits h3{font-size:1.08rem;margin-bottom:12px;color:var(--amber)}
.benefits ul{list-style:none;display:grid;gap:8px}
.benefits li{color:#c3cede;font-size:.92rem;padding-left:18px;position:relative}
.benefits li::before{content:"";position:absolute;left:0;top:.6em;width:7px;height:7px;border-radius:50%;background:var(--teal)}

/* specs */
.spec-grid{display:grid;grid-template-columns:1.7fr 1fr;gap:32px;margin-top:40px;align-items:start}
.spec{width:100%;border-collapse:collapse;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.spec th,.spec td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);font-size:.95rem;vertical-align:top}
.spec th{width:34%;background:var(--bg-alt);font-weight:600}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:0}
.tbc{background:#fff9ec;border:1px dashed #e2b25a;border-radius:var(--radius);padding:24px}
.tbc h3{margin-bottom:6px;color:#8a5a06}
.tbc p{font-size:.88rem;color:var(--muted)}
.tbc ul{margin:14px 0 0 18px;display:grid;gap:4px;font-size:.92rem}

.proof{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:36px}

/* faq */
.faq{margin-top:34px;border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line);padding:18px 0}
summary{cursor:pointer;font-weight:650;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::after{content:"+";color:var(--teal-dk);font-size:1.4rem;line-height:1}
details[open] summary::after{content:"\2212"}
details p{color:var(--muted);margin-top:10px;max-width:700px}

/* contact */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.contact-list{list-style:none;display:grid;gap:14px;margin-top:30px}
.contact-list li{display:flex;gap:16px;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.1);color:#e1e8f2}
.contact-list span{width:70px;flex-shrink:0;font-size:.76rem;text-transform:uppercase;letter-spacing:.1em;color:#8fa0b8;padding-top:3px}
.contact-list a{color:#fff;font-weight:600}
.tbd{color:var(--amber);font-style:normal;font-weight:600;font-size:.88rem}
.form{background:var(--navy-2);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);padding:28px;display:grid;gap:16px}
.form label{display:grid;gap:6px;font-size:.84rem;color:#c3cede;font-weight:500}
.form input,.form textarea{background:var(--navy);border:1px solid #2b4263;border-radius:10px;padding:11px 14px;color:#fff;font:inherit;font-size:.95rem}
.form input:focus,.form textarea:focus{outline:2px solid var(--teal);border-color:var(--teal)}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form .btn{justify-self:start}

/* footer */
.site-footer{background:#07101c;color:#8fa0b8;font-size:.9rem;padding:56px 0 24px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.foot-grid p{margin-top:14px;max-width:300px}
.foot-grid h4{color:#fff;margin-bottom:12px;font-size:.9rem}
.foot-grid a:not(.logo){display:block;color:#8fa0b8;text-decoration:none;margin-bottom:8px}
.foot-grid a:not(.logo):hover{color:var(--teal-lt)}
.foot-base{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);font-size:.8rem}

/* responsive */
@media (max-width:980px){
  .hero-grid,.split,.platform,.contact,.spec-grid,.feature-split{grid-template-columns:1fr}
  .cards4,.caps,.benefits,.steps{grid-template-columns:1fr 1fr}
  .strip-grid{grid-template-columns:1fr 1fr}
  .strip-item:nth-child(2){border-right:0}
  .extras{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .hero{padding:64px 0}
  .section{padding:72px 0}
}
@media (max-width:720px){
  .menu-btn{display:flex}
  nav{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--navy);padding:10px 24px 20px;border-bottom:1px solid rgba(255,255,255,.1)}
  nav.open{display:flex}
  nav a{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.06)}
  nav .nav-cta{text-align:center;margin-top:12px;border:0}
  .cards4,.caps,.benefits,.steps,.proof,.pillars,.form .row,.feature-list.two{grid-template-columns:1fr}
  .strip-grid{grid-template-columns:1fr}
  .strip-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.08)}
  .mock-body{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .spec th{width:40%}
  .container{padding:0 20px}
}
/* overflow guards */
.split>*,.hero-grid>*,.platform>*,.contact>*,.spec-grid>*,.feature-split>*,.gallery>*{min-width:0}
.glow{max-width:100vw}
@media (max-width:720px){.glow{width:300px;height:300px}.gallery .placeholder-frame{aspect-ratio:auto;min-height:140px}.spec th,.spec td{padding:12px 12px}}

.spec-cta{background:var(--navy,#0b1f3a);color:#fff;border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;gap:12px;align-self:start}
.spec-cta h3{color:#fff}
.spec-cta p{color:#c9d6e6;font-size:.95rem}
.spec-cta .btn{align-self:flex-start}

.quotes{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin:28px 0}
.quote{background:#fff;border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:var(--radius);padding:26px;margin:0}
.quote blockquote{margin:0 0 14px;font-size:1.05rem;line-height:1.55;color:var(--ink)}
.quote figcaption{font-weight:700;color:var(--teal-dk);font-size:.9rem}
.quote figcaption span{font-weight:400;color:#b36b00;font-size:.78rem;margin-left:6px}
.proof-clip{margin-top:8px}
@media (max-width:720px){.quotes{grid-template-columns:1fr}}