:root {
  --yellow: #ffd10c;
  --yellow-soft: #fff4c2;
  --ink: #0d0d0d;
  --ink-2: #1a1a1a;
  --ink-3: #2a2a2a;
  --text: #1c1c1c;
  --muted: #6b6b6b;
  --bg: #ffffff;
  --bg-alt: #faf8f1;
  --line: #ece8db;
  --wa: #25d366;
  --radius: 18px;
  --shadow: 0 10px 30px -12px rgba(0, 0, 0, .18);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --display: "Space Grotesk", var(--font);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img, video { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--display); line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.02em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
.muted { color: var(--muted); }
.lead { font-size: 1.12rem; color: #444; max-width: 36em; }

.container { width: min(1160px, 100% - 40px); margin-inline: auto; }
.container--narrow { width: min(780px, 100% - 40px); }

.ico { width: 1.25em; height: 1.25em; flex: none; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .55em; padding: .9em 1.5em; border-radius: 999px; font-weight: 600; text-decoration: none; border: 2px solid transparent; cursor: pointer; transition: transform .2s, box-shadow .2s, background .2s; font-size: 1rem; }
.btn:hover { transform: translateY(-2px); }
.btn--sm { padding: .6em 1.1em; font-size: .92rem; }
.btn--block { width: 100%; }
.btn--wa { background: var(--wa); color: #fff; box-shadow: 0 8px 20px -8px rgba(37, 211, 102, .7); }
.btn--primary { background: var(--yellow); color: var(--ink); }
.btn--primary:hover { box-shadow: 0 8px 20px -8px rgba(255, 209, 12, .9); }
.btn--ghost { border-color: currentColor; background: transparent; }
.btn--dark { background: var(--ink); color: #fff; }

/* Header */
.header { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .85); backdrop-filter: blur(12px); border-bottom: 1px solid transparent; transition: border-color .2s; }
.header.is-scrolled { border-color: var(--line); }
.header__inner { display: flex; align-items: center; gap: 24px; height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-family: var(--display); font-size: 1.1rem; }
.brand img { border-radius: 8px; height: 44px; width: auto; }
.brand b { font-weight: 500; color: var(--muted); }
.nav { display: flex; gap: 26px; margin-left: auto; }
.nav a { text-decoration: none; font-weight: 500; font-size: .95rem; position: relative; }
.nav a::after { content: ""; position: absolute; left: 0; bottom: -4px; height: 2px; width: 0; background: var(--yellow); transition: width .2s; }
.nav a:hover::after { width: 100%; }
.nav__link-muted { color: var(--muted); }
.burger { display: none; background: none; border: 0; width: 40px; height: 40px; cursor: pointer; padding: 8px; }
.burger span { display: block; height: 2px; background: var(--ink); margin: 6px 0; transition: transform .2s; }
.burger[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.burger[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 72px 0 96px; background: radial-gradient(circle at 85% 20%, var(--yellow-soft), transparent 55%), var(--bg); }
.hero__grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; }
.hl { background: linear-gradient(transparent 62%, var(--yellow) 62%); padding: 0 .1em; }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px; background: var(--ink); color: #fff; font-size: .85rem; font-weight: 500; margin-bottom: 20px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--wa); box-shadow: 0 0 0 0 rgba(37, 211, 102, .7); animation: pulse 2s infinite; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 40px; }
.hero__stats { list-style: none; padding: 0; margin: 0; display: flex; gap: 36px; }
.hero__stats b { display: block; font-family: var(--display); font-size: 1.6rem; }
.hero__stats span { font-size: .85rem; color: var(--muted); }

.stack { position: relative; aspect-ratio: 1 / 1; max-width: 520px; margin-inline: auto; }
.stack::before { content: ""; position: absolute; inset: 12%; border-radius: 50%; background: var(--yellow); }
.stack__v { position: absolute; width: 68%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 16px; background: var(--ink-2); box-shadow: var(--shadow); border: 3px solid #fff; animation: float 6s ease-in-out infinite; }
.stack__v--1 { top: 4%; left: 0; z-index: 2; }
.stack__v--2 { top: 36%; right: 0; z-index: 1; animation-delay: -2s; }
.stack__v--3 { bottom: 4%; left: 10%; z-index: 3; animation-delay: -4s; }

/* Sections */
.section { padding: 96px 0; }
.section--alt { background: var(--bg-alt); }
.section--dark { background: var(--ink); color: #eee; }
.section--dark p { color: #b5b5b5; }
.section__head { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.section__head p { color: var(--muted); }
.eyebrow { display: inline-block; font-size: .78rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: #a58400; margin-bottom: 12px; }
.section--dark .eyebrow { color: var(--yellow); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.step { padding: 32px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: transform .25s, box-shadow .25s; }
.step:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.step__n { display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: var(--yellow); font-family: var(--display); font-weight: 700; margin-bottom: 18px; }
.step p { color: var(--muted); margin: 0; }

/* Features */
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature { padding: 26px; background: #fff; border-radius: var(--radius); border: 1px solid var(--line); transition: border-color .2s, transform .25s; }
.feature:hover { border-color: var(--yellow); transform: translateY(-3px); }
.feature .ico { width: 40px; height: 40px; padding: 9px; border-radius: 12px; background: var(--ink); color: var(--yellow); margin-bottom: 16px; }
.feature h3 { font-size: 1.02rem; }
.feature p { color: var(--muted); font-size: .93rem; margin: 0; }

.app { margin-top: 40px; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; padding: 28px 32px; border-radius: var(--radius); background: var(--ink); color: #fff; }
.app p { color: #b5b5b5; margin: 0; }
.app__links { display: flex; gap: 12px; }

/* Assistance */
.chips { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.chips li { padding: 18px 20px; border-radius: 14px; background: var(--bg-alt); border-left: 4px solid var(--yellow); }
.chips b { display: block; font-family: var(--display); }
.chips span { font-size: .88rem; color: var(--muted); }

/* Telemetry */
.cams { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.cam { margin: 0; position: relative; border-radius: var(--radius); overflow: hidden; background: var(--ink-2); aspect-ratio: 16 / 9; }
.cam video { width: 100%; height: 100%; object-fit: cover; }
.cam figcaption { position: absolute; left: 14px; top: 14px; padding: 4px 12px; border-radius: 999px; background: rgba(0, 0, 0, .6); backdrop-filter: blur(6px); font-size: .8rem; font-weight: 600; display: flex; align-items: center; gap: 6px; }
.cam figcaption::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #ff4d4d; }

.stats { list-style: none; padding: 0; margin: 56px 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stats b { display: block; font-family: var(--display); font-size: clamp(2.2rem, 4vw, 3rem); color: var(--yellow); }
.stats b::after { content: "%"; }
.stats span { color: #b5b5b5; font-size: .92rem; }

.yt { max-width: 860px; margin: 0 auto; border-radius: var(--radius); overflow: hidden; aspect-ratio: 16 / 9; background: var(--ink-2); }
.yt iframe, .yt__poster { width: 100%; height: 100%; border: 0; }
.yt__poster { position: relative; padding: 0; cursor: pointer; background: none; }
.yt__poster img { width: 100%; height: 100%; object-fit: cover; opacity: .75; transition: opacity .2s; }
.yt__poster:hover img { opacity: .95; }
.yt__play { position: absolute; inset: 0; margin: auto; width: 78px; height: 78px; border-radius: 50%; background: var(--yellow); color: var(--ink); display: grid; place-items: center; box-shadow: 0 0 0 10px rgba(255, 209, 12, .25); }
.yt__play .ico { width: 34px; height: 34px; }

.driver { margin-top: 56px; padding: 32px; border-radius: var(--radius); border: 1px solid var(--ink-3); display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.driver div { max-width: 620px; }
.driver p { margin: 0; }

/* Plans */
.plans { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; align-items: stretch; }
.plan { position: relative; display: flex; flex-direction: column; padding: 30px 22px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: transform .25s, box-shadow .25s; }
.plan:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.plan h3 small { display: block; font-family: var(--font); font-size: .78rem; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.plan__price { font-family: var(--display); font-size: 2rem; font-weight: 700; margin: 12px 0 4px; }
.plan__price small { font-size: .95rem; margin-right: 3px; }
.plan__price span { font-size: .9rem; font-weight: 500; color: var(--muted); }
.plan__fee { font-size: .85rem; color: var(--muted); margin-bottom: 24px; flex: 1; }
.plan--featured { background: var(--ink); color: #fff; border-color: var(--ink); }
.plan--featured .plan__price span, .plan--featured .plan__fee, .plan--featured h3 small { color: #b5b5b5; }
.plan__tag { position: absolute; top: -12px; left: 22px; background: var(--yellow); color: var(--ink); font-size: .72rem; font-weight: 700; padding: 4px 10px; border-radius: 999px; text-transform: uppercase; letter-spacing: .06em; }

/* Quotes */
.quotes { display: grid; gap: 16px; }
.quotes blockquote { margin: 0; padding: 22px 24px; background: #fff; border-radius: var(--radius); border: 1px solid var(--line); }
.quotes p { margin: 0 0 8px; font-size: 1.02rem; }
.quotes cite { font-style: normal; font-weight: 600; font-size: .88rem; color: var(--muted); }
.quotes cite::before { content: "★★★★★  "; color: #e0b400; letter-spacing: 1px; }

/* FAQ */
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 20px 40px 20px 0; font-weight: 600; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); width: 28px; height: 28px; border-radius: 50%; background: var(--yellow-soft); display: grid; place-items: center; font-size: 1.2rem; transition: transform .2s, background .2s; }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); background: var(--yellow); }
.faq details p { color: var(--muted); padding-right: 40px; }

/* CTA */
.cta { background: var(--yellow); padding: 80px 0; text-align: center; }
.cta h2 { color: var(--ink); }
.cta p { font-size: 1.1rem; margin-bottom: 28px; }

/* Footer */
.footer { background: var(--ink); color: #ddd; padding: 56px 0 28px; }
.footer .brand b, .footer .muted { color: #8a8a8a; }
.footer__grid { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.footer .muted { margin-top: 16px; font-size: .9rem; }
.footer__links { display: grid; gap: 10px; align-content: start; }
.footer__links a { text-decoration: none; }
.footer__links a:hover { color: var(--yellow); }
.footer__copy { border-top: 1px solid var(--ink-3); padding-top: 24px; margin-top: 40px; font-size: .85rem; }

/* Floating WhatsApp */
.wa-float { position: fixed; right: 22px; bottom: 22px; z-index: 60; width: 60px; height: 60px; border-radius: 50%; background: var(--wa); color: #fff; display: grid; place-items: center; box-shadow: 0 10px 25px -6px rgba(37, 211, 102, .8); animation: pulse 2.4s infinite; transition: transform .2s; }
.wa-float:hover { transform: scale(1.08); }
.wa-float .ico { width: 32px; height: 32px; }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, .55); }
  70% { box-shadow: 0 0 0 14px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}
@keyframes float { 50% { transform: translateY(-10px); } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* Responsive */
@media (max-width: 1080px) {
  .features { grid-template-columns: repeat(2, 1fr); }
  .plans { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 860px) {
  .nav { position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; gap: 0; background: #fff; border-bottom: 1px solid var(--line); padding: 8px 20px 20px; opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .25s, transform .25s, visibility .25s; }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; }
  .nav a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .burger { display: block; }
  .header__cta { margin-left: auto; }
  .hero { padding: 40px 0 72px; }
  .hero__grid, .split { grid-template-columns: 1fr; gap: 40px; }
  .steps, .cams { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .plans { grid-template-columns: 1fr 1fr; }
  .section { padding: 72px 0; }
}
@media (max-width: 540px) {
  .features, .chips, .plans { grid-template-columns: 1fr; }
  .hero__stats { gap: 22px; }
  .header__cta { display: none; }
  .burger { margin-left: auto; }
}