:root{
  --asphalt:#1c2024; --asphalt-2:#2a3036; --signal:#ffc21a; --paper:#f6f5f1; --ink:#15181b; --mute:#5d666e; --ok:#2e9e5b; --warn:#e0a100; --bad:#d2432f;
  --display:'Barlow Condensed',Impact,sans-serif; --body:'Barlow',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{font-family:var(--body);color:var(--ink);background:var(--paper);line-height:1.55;font-size:17px}
a{color:inherit;text-decoration:none}
:focus-visible{outline:3px solid var(--signal);outline-offset:3px}
h1,h2,h3{font-family:var(--display);line-height:1.02;letter-spacing:.2px}
h1{font-size:clamp(2.8rem,7vw,5.2rem);font-weight:800}
h2{font-size:clamp(2rem,4.5vw,3.2rem);font-weight:700}
h3{font-size:1.5rem;font-weight:700}

/* nav */
.nav{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:12px 5vw;background:var(--asphalt);color:#fff}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:700;font-size:1.4rem}
.brand-mark{display:grid;place-items:center;width:34px;height:34px;background:var(--signal);color:var(--ink);border-radius:6px;font-size:1rem}
.menu{display:flex;align-items:center;gap:22px;font-weight:500}
.menu a:not(.btn):hover{color:var(--signal)}
.burger{display:none;background:none;border:0;color:#fff;font-size:1.6rem;cursor:pointer}

/* buttons */
.btn{display:inline-block;padding:12px 22px;border-radius:8px;font-weight:600;border:2px solid transparent;cursor:pointer;font:600 1rem var(--body);transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-2px)}
.btn-solid{background:var(--signal);color:var(--ink)}
.btn-ghost{border-color:currentColor;background:transparent}
.btn-ghost.light{color:#fff}

/* hero */
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:4vw;align-items:center;padding:7vh 5vw;background:var(--asphalt);color:#fff;min-height:82vh}
.tag{display:inline-block;margin-bottom:18px;padding:4px 12px;border:1px solid var(--signal);border-radius:99px;color:var(--signal);font-size:.9rem}
.lead{margin:22px 0 28px;max-width:52ch;color:#cfd4d8;font-size:1.15rem}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}.cta-row.center{justify-content:center}
.hero-art{position:relative;aspect-ratio:1;max-height:480px;border-radius:24px;background:linear-gradient(#39424b,#232930);overflow:hidden}
.road{position:absolute;inset:auto 0 0 0;height:38%;background:#14171a}
.road span{position:absolute;top:50%;left:0;width:200%;height:6px;background:repeating-linear-gradient(90deg,var(--signal) 0 40px,transparent 40px 90px);animation:dash 1.4s linear infinite}
@keyframes dash{to{transform:translateX(-90px)}}
.car{position:absolute;left:50%;bottom:34%;transform:translateX(-50%);font-size:7rem}
.badge{position:absolute;top:22px;left:22px;padding:10px 14px;background:var(--signal);color:var(--ink);border-radius:10px;font-size:.95rem}
.badge b{font-family:var(--display);font-size:1.4rem;margin-left:4px}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);background:var(--signal);color:var(--ink)}
.stats div{padding:26px 5vw;border-right:2px solid rgba(0,0,0,.12)}
.stats div:last-child{border:0}
.stats b{display:block;font-family:var(--display);font-size:2.8rem;line-height:1}
.stats span{font-weight:500}

/* sections */
.section{padding:9vh 5vw}
.section.dark{background:var(--asphalt);color:#fff}
.section.alt{background:#e9e6dd}
.sub{margin:12px 0 36px;color:var(--mute);max-width:60ch}
.dark .sub{color:#aeb6bd}.sub.left{margin-bottom:20px}

.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pillars article{padding:28px;background:#fff;border-radius:6px;border-top:5px solid var(--signal)}
.pillars .ico{font-size:2rem}
.pillars h3{margin:10px 0 8px}
.pillars p{color:var(--mute)}
.pillars em{display:inline-block;margin-top:14px;font-style:normal;font-weight:600;color:var(--ok)}

/* tabs */
.tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.tabs button{padding:10px 18px;border-radius:99px;border:1px solid #4a535b;background:transparent;color:#fff;font:600 1rem var(--body);cursor:pointer}
.tabs button[aria-selected="true"]{background:var(--signal);color:var(--ink);border-color:var(--signal)}
.tab-panel{display:grid;grid-template-columns:1fr 1fr;gap:30px;padding:28px;background:var(--asphalt-2);border-radius:10px}
.tab-panel ol{padding-left:20px;display:grid;gap:8px;color:#d7dce0}
.tab-panel .meta{margin-top:14px;color:var(--signal);font-weight:600}

/* diagnosis */
.split{display:grid;grid-template-columns:1fr 1fr;gap:5vw;align-items:start}
.checks{list-style:none;padding:0;display:grid;gap:10px}
.checks li::before{content:"✓";margin-right:10px;color:var(--ok);font-weight:700}
.chat{display:grid;gap:12px;padding:26px;background:#fff;border-radius:10px;box-shadow:0 10px 30px rgba(0,0,0,.08)}
.chat label{font-weight:600}
.chat textarea{padding:12px;border:2px solid #d6d3c9;border-radius:8px;font:inherit;resize:vertical}
.chat small{color:var(--mute)}
.result{padding:16px;border-radius:8px;background:var(--paper);border-left:6px solid var(--warn)}
.result.ok{border-color:var(--ok)}.result.bad{border-color:var(--bad)}
.result h4{font-family:var(--display);font-size:1.3rem}
.result ul{padding-left:18px;margin:6px 0}

/* plan */
.plan{display:grid;grid-template-columns:auto 1fr auto;gap:36px;align-items:center;margin-top:30px;padding:34px;background:#fff;border:3px solid var(--ink);border-radius:12px}
.plan-head p{font-weight:600}
.price b{font-family:var(--display);font-size:3.6rem}
.plan ul{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:8px 24px}
.plan li::before{content:"✓ ";color:var(--ok);font-weight:700}

/* steps */
.steps{list-style:none;padding:0;margin-top:30px;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
.steps li{position:relative;padding:60px 4px 0;border-top:4px solid var(--ink);counter-increment:s}
.steps li::before{content:counter(s);position:absolute;top:-4px;left:0;padding:6px 14px;background:var(--ink);color:var(--signal);font:700 1.4rem var(--display)}
.steps p{color:var(--mute)}

/* quotes */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quotes blockquote{padding:26px;background:#fff;border-radius:6px}
.quotes cite{display:block;margin-top:14px;font-style:normal;font-weight:600}
.quotes p::before{content:"“";color:var(--signal);font:700 2.4rem var(--display);margin-right:4px}

/* coverage */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0 18px}
.chips span{padding:9px 18px;border:1px solid #4a535b;border-radius:99px}

/* cta + footer */
.cta{padding:10vh 5vw;text-align:center;background:var(--signal)}
.cta p{margin:12px 0 26px}
.cta .btn-solid{background:var(--ink);color:#fff}
.cta .btn-ghost.light{color:var(--ink)}
footer{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px;padding:56px 5vw 24px;background:var(--asphalt);color:#c3c9ce}
footer h4{margin-bottom:10px;color:#fff}
footer a,footer span{display:block;margin-bottom:6px}
footer a:hover{color:var(--signal)}
.legal{grid-column:1/-1;padding-top:20px;border-top:1px solid #3a424a;font-size:.9rem}

/* responsive */
@media (max-width:900px){
  .burger{display:block}
  .menu{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;padding:20px 5vw;background:var(--asphalt)}
  .menu.open{display:flex}
  .hero,.split,.tab-panel{grid-template-columns:1fr}
  .hero-art{max-height:320px}
  .stats,.steps{grid-template-columns:1fr 1fr}
  .pillars,.quotes{grid-template-columns:1fr}
  .plan{grid-template-columns:1fr}.plan ul{grid-template-columns:1fr}
  footer{grid-template-columns:1fr 1fr}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}