:root{--bg:#050505;--panel:#101013;--text:#f5f5f5;--muted:#9a9aa1;--red:#e20d17;--line:#25252a}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}header{height:84px;display:flex;align-items:center;gap:40px;padding:0 5vw;position:sticky;top:0;background:rgba(5,5,5,.9);backdrop-filter:blur(12px);z-index:5;border-bottom:1px solid #171719}header img{width:155px}nav{display:flex;gap:28px;margin-left:auto}nav a{font-size:13px;color:#ccc}.hero{min-height:720px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:50px;padding:80px 7vw;background:radial-gradient(circle at 75% 45%,rgba(226,13,23,.14),transparent 28%)}.wrap{max-width:700px}.eyebrow{font-size:12px;letter-spacing:.18em;font-weight:700;color:#ddd}.eyebrow:before{content:"";display:inline-block;width:28px;height:2px;background:var(--red);margin-right:10px;vertical-align:middle}h1,h2,h3{font-family:Arial Black,Arial,sans-serif;text-transform:uppercase}h1{font-size:clamp(56px,7vw,100px);line-height:.92;margin:18px 0}h1 span{color:var(--red)}h2{font-size:clamp(40px,5vw,64px);margin:12px 0 30px}.lead{font-size:18px;line-height:1.7;color:var(--muted);max-width:650px}.actions{display:flex;gap:14px;margin-top:30px}.btn,.ghost{display:inline-block;padding:15px 22px;border-radius:5px;font-weight:800;text-transform:uppercase;font-size:13px}.btn{background:linear-gradient(135deg,#ff1d2b,#cf0812);box-shadow:0 12px 30px rgba(226,13,23,.18)}.ghost{border:1px solid #333}.device{width:360px;height:230px;justify-self:center;border-radius:18px;padding:30px;background:linear-gradient(145deg,#242429,#0e0e10);border:1px solid #3a3a40;box-shadow:0 35px 80px #000;transform:rotate(-7deg);position:relative}.device small,.device em{display:block;letter-spacing:.18em;color:#888;font-size:9px}.device strong{display:block;font-size:40px;margin-top:50px}.device b{position:absolute;right:28px;top:24px;font-size:60px;color:var(--red)}.section{padding:100px 7vw}.cards,.steps{display:grid;grid-template-columns:repeat(2,1fr);gap:25px}.cards article{background:linear-gradient(180deg,#111114,#0b0b0d);border:1px solid var(--line);border-radius:10px;padding:28px}.mock{height:220px;border-radius:8px;background:radial-gradient(circle,rgba(226,13,23,.12),transparent 50%);display:flex;align-items:center;justify-content:center;gap:18px;font-size:32px;font-weight:900}.mock b{font-size:52px;color:var(--red)}h3{font-size:28px}.cards h3{display:flex;justify-content:space-between;gap:20px}.cards h3 strong{color:#fff}.cards p,.cards li,.steps p,.brand p{color:var(--muted);line-height:1.6}.dark{background:#0a0a0c;border-block:1px solid #17171a}select{width:min(600px,100%);padding:16px;background:#08080a;color:white;border:1px solid #333;border-radius:5px}#result{width:min(600px,100%);margin-top:18px;padding:18px;background:#101013;border-left:3px solid var(--red);color:#ccc}.steps{grid-template-columns:repeat(3,1fr)}.steps>div{padding:24px 18px;border-top:2px solid var(--line)}.steps span{color:var(--red);font-weight:900;font-size:24px}.brand{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:center;padding:100px 7vw;background:#080809}.brand img{width:min(100%,420px);justify-self:center}.cta{display:flex;justify-content:space-between;align-items:center;gap:35px;padding:70px 7vw;background:linear-gradient(110deg,#0a0a0b,#15090b);border-top:1px solid #2a1518}.cta h2{margin-bottom:0;max-width:780px;font-size:50px}footer{padding:28px 7vw;color:#666;border-top:1px solid #171719;font-size:12px}@media(max-width:850px){nav{display:none}.hero{grid-template-columns:1fr;min-height:auto}.device{margin:30px auto}.cards,.steps,.brand{grid-template-columns:1fr}.cta{align-items:flex-start;flex-direction:column}}@media(max-width:520px){header img{width:125px}.hero,.section,.brand,.cta{padding-left:22px;padding-right:22px}h1{font-size:52px}.device{width:280px;height:180px}.device strong{font-size:31px;margin-top:35px}.device b{font-size:48px}.cards h3{flex-direction:column;gap:6px}.cta h2{font-size:38px}.actions{flex-direction:column}}
.compat-lead{max-width:760px;color:var(--muted);line-height:1.7;margin:-12px 0 34px}.bike-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.bike-card{appearance:none;text-align:left;color:var(--text);background:linear-gradient(180deg,#111114,#09090b);border:1px solid var(--line);border-radius:10px;padding:0 0 20px;overflow:hidden;cursor:pointer;transition:.2s;font:inherit}.bike-card:hover{transform:translateY(-3px);border-color:#555}.bike-card.active{border-color:var(--red);box-shadow:0 0 0 1px var(--red),0 16px 45px rgba(226,13,23,.12)}.bike-img{height:230px;display:flex;align-items:center;justify-content:center;padding:15px;background:radial-gradient(circle at 50% 60%,#242429 0,transparent 65%)}.bike-img.white{background:#eee}.bike-img img{width:100%;height:100%;object-fit:contain}.bike-card>strong,.bike-card>small,.bike-card>.year{display:block;margin-left:20px;margin-right:20px}.bike-card>.year{color:var(--red);font-weight:900;font-size:11px;letter-spacing:.12em;margin-top:18px;margin-bottom:7px}.bike-card>strong{font-family:Arial Black,Arial,sans-serif;text-transform:uppercase;font-size:18px;line-height:1.2}.bike-card>small{color:var(--muted);margin-top:8px}.selection{display:flex;align-items:center;justify-content:space-between;gap:30px;margin-top:28px;padding:24px 28px;background:#111114;border:1px solid #29292e;border-left:3px solid var(--red);border-radius:7px}.selection p{font-size:10px;letter-spacing:.15em;color:#888;font-weight:800;margin:0 0 6px}.selection h3{font-size:22px;margin:0}.selection .check{float:left;margin-right:14px;width:34px;height:34px;display:grid;place-items:center;border-radius:50%;background:var(--red);font-weight:900}.selected-product{text-align:right}.selected-product strong{display:block;font-size:23px}.selected-product b{display:block;color:var(--red);font-size:22px;margin-top:3px}@media(max-width:1000px){.bike-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:620px){.bike-grid{grid-template-columns:1fr}.bike-img{height:210px}.selection{align-items:flex-start;flex-direction:column}.selected-product{text-align:left}}

.bike-card{text-decoration:none;color:inherit;display:block}.bike-card:hover{transform:translateY(-4px);border-color:#8d1b20}.bike-card small{display:block}

.section-lead{max-width:900px;color:var(--muted);line-height:1.75;margin:-12px 0 34px}.hero-product{justify-self:center;width:min(560px,100%);position:relative}.hero-product img{width:100%;display:block;border-radius:14px;border:1px solid #2b2b30;box-shadow:0 35px 90px #000}.hero-product>div{position:absolute;left:22px;bottom:20px;padding:11px 14px;background:rgba(5,5,5,.82);backdrop-filter:blur(8px);border-left:3px solid var(--red)}.hero-product small,.hero-product strong{display:block}.hero-product small{color:var(--red);font-weight:900;letter-spacing:.15em}.hero-product strong{font-size:12px;margin-top:4px}.hero-points{display:flex;flex-wrap:wrap;gap:9px;margin-top:28px}.hero-points span{font-size:11px;color:#c6c6ca;border:1px solid #2d2d32;padding:8px 10px;border-radius:99px;background:#0d0d0f}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.product-card{overflow:hidden;border:1px solid var(--line);border-radius:11px;background:linear-gradient(180deg,#121215,#09090b)}.product-card img{width:100%;height:250px;object-fit:cover;display:block;background:#1a1a1d}.product-copy{padding:23px}.product-copy>span{font-weight:900;color:var(--red);font-size:12px;letter-spacing:.12em}.product-copy h3{font-size:24px;margin:10px 0}.product-copy p{color:var(--muted);line-height:1.55;min-height:48px}.product-copy b{display:block;font-size:12px;color:#ddd;margin:12px 0 18px}.product-copy a{font-size:12px;text-transform:uppercase;font-weight:900}.legacy{margin-top:18px}.note{max-width:950px;margin:25px 0 0;color:#777;font-size:12px;line-height:1.6}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:40px}.feature-grid>div{border:1px solid var(--line);padding:20px;background:#0d0d10}.feature-grid b,.feature-grid span{display:block}.feature-grid b{text-transform:uppercase}.feature-grid span{color:var(--muted);font-size:13px;margin-top:7px}.manual-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.manual{display:block;border:1px solid #2a2a30;border-radius:9px;padding:22px;background:#101013;transition:.2s}.manual:hover{border-color:var(--red);transform:translateY(-2px)}.manual span{color:var(--red);font-size:12px;font-weight:900}.manual strong,.manual small,.manual b{display:block}.manual strong{font-family:Arial Black,Arial,sans-serif;text-transform:uppercase;font-size:21px;margin:7px 0 10px}.manual small{color:var(--muted);line-height:1.5;min-height:58px}.manual b{font-size:12px;margin-top:18px}.warning{margin-top:22px;padding:18px 20px;border-left:3px solid var(--red);background:#121214;color:#aaa;line-height:1.6}.warning b{color:#fff}.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.video-grid iframe{width:100%;aspect-ratio:16/9;border:1px solid #29292d;border-radius:9px;background:#111}.cta p{color:var(--muted);max-width:720px;line-height:1.6}
@media(max-width:1100px){.product-grid{grid-template-columns:repeat(2,1fr)}.manual-grid{grid-template-columns:repeat(2,1fr)}.video-grid{grid-template-columns:1fr 1fr}.feature-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.product-grid,.manual-grid,.video-grid,.feature-grid{grid-template-columns:1fr}.product-card img{height:220px}.hero-product{margin-top:10px}.legacy{margin-top:0}}

/* Central Magic Box story */
.magic-central{position:relative;padding:92px 5vw;background:radial-gradient(circle at 78% 45%,rgba(255,86,0,.12),transparent 30%),#080809;border-top:1px solid #202024;border-bottom:1px solid #202024;overflow:hidden}.magic-central-wrap{max-width:1500px;margin:0 auto;display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}.magic-central-copy h2{font-size:clamp(38px,5.3vw,76px);line-height:.95;margin:12px 0 24px;max-width:900px}.magic-lead{font-size:18px;line-height:1.75;color:#d0d0d5;max-width:830px}.magic-highlight{margin:28px 0;padding:22px 24px;border-left:4px solid #ff5a00;background:#111114}.magic-highlight strong{font-size:18px}.magic-highlight p{color:#c8c8ce;line-height:1.65;margin:8px 0 0}.magic-feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:28px 0}.magic-feature-grid>div{display:grid;grid-template-columns:38px 1fr;column-gap:10px;align-items:start;background:#101012;border:1px solid #27272d;border-radius:8px;padding:17px}.magic-feature-grid span{grid-row:1/3;color:#ff5a00;font-size:11px;font-weight:950;letter-spacing:.12em}.magic-feature-grid b{font-size:14px}.magic-feature-grid small{color:#96969f;line-height:1.45;margin-top:4px}.magic-note{font-size:12px;line-height:1.6;color:#85858f;max-width:800px;margin:0 0 26px}.magic-central-visual{position:relative;min-height:620px;display:flex;align-items:center;justify-content:center}.magic-central-visual img{position:relative;z-index:2;width:min(100%,720px);border-radius:14px;box-shadow:0 35px 90px rgba(0,0,0,.55);transform:rotate(-2deg)}.product-orbit{position:absolute;width:620px;height:620px;border:1px solid rgba(255,90,0,.25);border-radius:50%;box-shadow:0 0 100px rgba(255,90,0,.08)}.product-tag{position:absolute;right:2%;bottom:11%;z-index:3;background:#ff5a00;color:#090909;padding:15px 18px;box-shadow:0 15px 35px rgba(0,0,0,.35)}.product-tag small,.product-tag strong{display:block}.product-tag small{font-size:9px;font-weight:900;letter-spacing:.14em}.product-tag strong{font-size:16px;margin-top:3px}@media(max-width:950px){.magic-central-wrap{grid-template-columns:1fr}.magic-central-visual{min-height:auto}.product-orbit{display:none}.magic-feature-grid{grid-template-columns:1fr}.product-tag{right:1%;bottom:5%}}

/* V14: cleaner hero, no hero product image */
.hero{grid-template-columns:1fr;min-height:650px;padding-top:90px;padding-bottom:90px;background:radial-gradient(circle at 68% 42%,rgba(226,13,23,.11),transparent 34%)}
.hero .wrap{max-width:1050px}
.hero h1{max-width:1000px}
.hero .lead{max-width:820px}
.hero-product{display:none!important}
@media(max-width:850px){.hero{min-height:auto}}

/* Legal / trademark clarification */
.legal-disclaimer{max-width:1180px;margin:0 auto 18px;padding:18px 5vw;color:#8f8f97;font-size:10px;line-height:1.65;text-align:left;border-bottom:1px solid #222}
.legal-disclaimer strong{color:#c9c9cf}
.race-notice{max-width:1180px;margin:36px auto 0;padding:16px 18px;background:#15120d;border:1px solid #4a3820;border-left:3px solid #d89c2f;color:#c9b38b;font-size:11px;line-height:1.6}
.race-notice strong{color:#efc46d}
.reference-label{margin-top:-12px;color:#888;font-size:11px;text-transform:uppercase;letter-spacing:.08em}

/* Order request page */
.shop-page { max-width: 1100px; margin: 0 auto; padding: 7rem 1.5rem 4rem; }
.shop-panel { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.1); border-radius: 18px; padding: clamp(1.5rem,4vw,3rem); }
.shop-form { display:grid; grid-template-columns:1fr 1fr; gap:1rem; margin-top:2rem; }
.shop-form label { display:flex; flex-direction:column; gap:.45rem; font-weight:600; }
.shop-form .full { grid-column:1 / -1; }
.shop-form input, .shop-form select, .shop-form textarea { width:100%; padding:.9rem 1rem; border:1px solid rgba(255,255,255,.16); border-radius:10px; background:#111; color:inherit; font:inherit; box-sizing:border-box; }
.shop-form textarea { resize:vertical; }
@media (max-width:700px) { .shop-form { grid-template-columns:1fr; } .shop-form .full { grid-column:auto; } }

.independence-note {
  max-width: 760px;
  margin-top: 1.25rem;
  font-size: .82rem;
  line-height: 1.55;
  opacity: .68;
}

.use-at-own-risk {
  max-width: 1100px;
  margin: 1.25rem auto;
  padding: 1rem 1.15rem;
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 10px;
  font-size: .78rem;
  line-height: 1.55;
  opacity: .72;
}

/* Customer reviews */
.reviews-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.25rem;margin:2rem 0 3rem}
.review-card{background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.10);border-radius:16px;overflow:hidden}
.review-photo{display:block;width:100%;aspect-ratio:16/10;object-fit:cover}
.review-body{padding:1.35rem}
.review-stars{letter-spacing:.12em;font-size:1.05rem;margin-bottom:.7rem}
.review-text{line-height:1.65;margin:.25rem 0 1.1rem}
.review-body small{display:block;opacity:.62;margin-top:.25rem}
.reviews-empty{opacity:.65}
.review-submit{display:grid;grid-template-columns:.8fr 1.2fr;gap:3rem;align-items:start;background:rgba(255,255,255,.035);border:1px solid rgba(255,255,255,.09);border-radius:18px;padding:clamp(1.4rem,4vw,2.5rem)}
.review-form{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.review-form label{display:flex;flex-direction:column;gap:.45rem;font-weight:600}
.review-form .full{grid-column:1/-1}
.review-form input,.review-form select,.review-form textarea{width:100%;box-sizing:border-box;padding:.9rem 1rem;border:1px solid rgba(255,255,255,.16);border-radius:10px;background:#111;color:inherit;font:inherit}
.review-form input[type=file]{padding:.7rem}
.review-form textarea{resize:vertical}
.review-form small,.review-moderation-note{opacity:.62;font-size:.82rem;line-height:1.5}
.review-form .consent{flex-direction:row;align-items:flex-start;font-weight:400}
.review-form .consent input{width:auto;margin-top:.25rem}
@media(max-width:850px){.reviews-grid{grid-template-columns:1fr}.review-submit{grid-template-columns:1fr}.review-form{grid-template-columns:1fr}.review-form .full{grid-column:auto}}


/* FAQ */
.faq-section{max-width:1180px;margin:0 auto}
.faq-section .section-lead{max-width:760px}
.faq-group{margin-top:2.4rem}
.faq-group>h3{font-size:1.2rem;margin:0 0 1rem}
.faq-item{border-top:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.025)}
.faq-item:last-child{border-bottom:1px solid rgba(255,255,255,.12)}
.faq-item summary{cursor:pointer;list-style:none;padding:1.15rem 3rem 1.15rem 1rem;font-weight:700;position:relative;line-height:1.45}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";position:absolute;right:1rem;top:50%;transform:translateY(-50%);font-size:1.5rem;font-weight:400}
.faq-item[open] summary:after{content:"–"}
.faq-answer{padding:0 1rem 1.2rem;max-width:900px;line-height:1.65;opacity:.88}
.faq-answer p{margin:.6rem 0}
.faq-answer ol{padding-left:1.4rem;margin:.75rem 0}
.faq-answer li{margin:.35rem 0}

.mapping-scope-note{margin:1.1rem 0;font-size:.84rem;line-height:1.6;opacity:.7;max-width:850px}
.magic-highlight p+p{margin-top:1rem}

.factory-ecu-route{
  margin:1.8rem 0;
  padding:1.4rem 1.5rem;
  border:1px solid rgba(255,255,255,.12);
  border-radius:14px;
  background:rgba(255,255,255,.035);
  max-width:900px;
}
.factory-ecu-route h3{margin:.25rem 0 .8rem;font-size:1.35rem}
.factory-ecu-route p{line-height:1.65}
.factory-ecu-note{font-size:.86rem;opacity:.72;margin-top:1rem}

.magic-core-title{max-width:900px;margin:0 0 1.2rem;font-size:clamp(2rem,4.2vw,4.4rem);line-height:1.02;letter-spacing:-.035em}
.magic-core-title span{display:block}
.magic-core-title span:nth-child(2){opacity:.9}
.magic-core-title span:nth-child(3){font-size:.68em;line-height:1.15;margin-top:.35rem;opacity:.82}
@media(max-width:700px){.magic-core-title{font-size:clamp(2rem,10vw,3.2rem);line-height:1.05}.magic-core-title span:nth-child(3){font-size:.62em}}

/* V36 order submission + warranty */
.order-hp{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important}
.order-status{display:none;margin-top:1.25rem;padding:1rem 1.15rem;border:1px solid #343434;background:#111;line-height:1.55}
.order-status.success{display:block;border-color:#2d7d46;background:#0c1b11}
.order-status.error{display:block;border-color:#b73535;background:#211010}
.shop-form button[disabled]{opacity:.6;cursor:wait}
.warranty-note strong{white-space:nowrap}

.cta-actions{display:flex;gap:.75rem;flex-wrap:wrap;align-items:center}

/* V49 - Akrapovic mapping feature table */
.mapping-feature-table-wrap{overflow-x:auto;margin:20px 0 12px}.mapping-feature-table{width:100%;border-collapse:collapse;min-width:520px;background:#0b0b0c}.mapping-feature-table caption{text-align:left;font-weight:700;margin-bottom:10px;color:#fff}.mapping-feature-table th,.mapping-feature-table td{padding:12px 14px;border:1px solid #2b2b2f;text-align:left}.mapping-feature-table th{color:#fff;background:#141416}.mapping-feature-table td{color:#c9c9cf}.mapping-feature-table td strong{color:#fff}


/* V51 — DWS technical guide redesign */
.guide-page{max-width:1320px;margin:0 auto;padding:52px 5vw 90px}
.guide-topbar{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:18px 5vw;border-bottom:1px solid #2b2b2f;background:#070708;position:sticky;top:0;z-index:20}
.guide-topbar img{width:150px;display:block}.guide-topbar nav{margin-left:auto}.guide-topbar nav a{font-size:12px;text-transform:uppercase;font-weight:800;letter-spacing:.04em}
.guide-hero{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center;padding:54px 0 38px;border-bottom:1px solid #222}
.guide-kicker,.guide-label{color:#ff1826;font-size:12px;letter-spacing:.14em;font-weight:900;text-transform:uppercase}.guide-hero h1{font-size:clamp(48px,6.5vw,88px);line-height:.92;margin:16px 0 22px;max-width:780px}.guide-hero p{font-size:17px;line-height:1.65;color:#c4c4ca;max-width:720px}.guide-hero strong{color:#ff2632}.guide-hero-visual{min-height:380px;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle,rgba(226,13,23,.13),transparent 55%);border-radius:18px}.guide-hero-visual img{width:min(100%,560px);max-height:420px;object-fit:contain;filter:drop-shadow(0 28px 45px rgba(0,0,0,.6))}
.guide-panel{margin-top:28px;background:linear-gradient(145deg,#111114,#09090b);border:1px solid #2a2a2f;border-top:2px solid #e20d17;border-radius:12px;padding:30px}.guide-panel h2{font-size:clamp(30px,3.6vw,48px);margin:7px 0 16px;line-height:1}.guide-panel p{color:#c2c2c8;line-height:1.65;max-width:900px}.guide-panel strong{color:#fff}
.guide-solution{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center}.guide-solution img{width:100%;max-height:390px;object-fit:contain}.guide-benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}.guide-benefit{padding:18px;background:#0b0b0d;border:1px solid #303036;border-radius:8px}.guide-benefit b{display:block;font-size:13px;text-transform:uppercase;margin-bottom:7px}.guide-benefit b:before{content:'✓';display:inline-grid;place-items:center;width:23px;height:23px;margin-right:8px;border-radius:50%;background:#e20d17;color:#fff}.guide-benefit small{display:block;color:#9b9ba3;line-height:1.5;padding-left:32px}
.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:22px}.guide-card{background:#0d0d0f;border:1px solid #29292e;border-radius:10px;padding:26px}.guide-card h2{font-size:clamp(25px,2.8vw,38px);margin:7px 0 16px}.guide-model-list{display:grid;gap:0;margin-top:12px}.guide-model{display:grid;grid-template-columns:92px 1fr auto;gap:16px;align-items:center;padding:13px 0;border-top:1px solid #2c2c31}.guide-model img{width:92px;height:62px;object-fit:contain}.guide-model b{font-size:14px}.guide-model b span{color:#ff1826}.guide-model small{display:block;color:#a5a5ac;margin-top:4px}.guide-arrow{font-size:25px;color:#ddd}.guide-cta{display:block;margin-top:18px;padding:16px 18px;text-align:center;border-radius:6px;background:linear-gradient(135deg,#ff1d2b,#d20a14);font-weight:900;text-transform:uppercase}.guide-note{margin-top:14px;padding:13px 15px;border-left:3px solid #e20d17;background:#241012;color:#c7c7cc;font-size:12px;line-height:1.55}
.guide-table{width:100%;border-collapse:collapse;margin-top:14px}.guide-table th,.guide-table td{border:1px solid #33343a;padding:12px;text-align:left}.guide-table th{background:#151518;font-size:12px}.guide-table td{color:#d0d0d5}.status-no{color:#ff2632;font-weight:900}.status-yes{color:#59d36a;font-weight:900}
.model-mapping-card{margin:28px 0;padding:24px;border:1px solid #303036;border-top:2px solid #e20d17;border-radius:10px;background:linear-gradient(145deg,#111114,#09090b)}.model-mapping-card .guide-label{margin:0 0 7px}.model-mapping-card h3{font-size:26px;margin:0 0 14px}.model-mapping-card table{width:100%;border-collapse:collapse}.model-mapping-card th,.model-mapping-card td{padding:11px 12px;border:1px solid #303036}.model-mapping-card th{background:#151518;text-align:left}.model-mapping-card p{color:#aaa;line-height:1.55;font-size:13px}
@media(max-width:850px){.guide-topbar{position:relative;align-items:flex-start}.guide-topbar nav{display:flex;flex-wrap:wrap;gap:12px}.guide-hero,.guide-solution,.guide-grid{grid-template-columns:1fr}.guide-hero-visual{min-height:260px}.guide-benefits{grid-template-columns:1fr}.guide-page{padding-top:25px}.guide-model{grid-template-columns:76px 1fr auto}.guide-model img{width:76px}}

/* V54 — responsive desktop + iOS/Android optimization */
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:96px}
body{overflow-x:hidden;-webkit-font-smoothing:antialiased}
img,svg,video,iframe{max-width:100%}
button,input,select,textarea{font:inherit}
a,button,.bike-card,summary{touch-action:manipulation}
:focus-visible{outline:2px solid var(--red);outline-offset:3px}

/* Mobile navigation */
.mobile-nav-toggle{display:none;margin-left:auto;width:46px;height:46px;border:1px solid #333;border-radius:6px;background:#0d0d0f;color:#fff;align-items:center;justify-content:center;cursor:pointer}
.mobile-nav-toggle span,.mobile-nav-toggle:before,.mobile-nav-toggle:after{content:"";display:block;width:21px;height:2px;background:#fff;position:absolute;transition:.2s}
.mobile-nav-toggle{position:relative}.mobile-nav-toggle:before{transform:translateY(-7px)}.mobile-nav-toggle:after{transform:translateY(7px)}
.mobile-nav-toggle[aria-expanded="true"] span{opacity:0}.mobile-nav-toggle[aria-expanded="true"]:before{transform:rotate(45deg)}.mobile-nav-toggle[aria-expanded="true"]:after{transform:rotate(-45deg)}

@media(max-width:900px){
 header{height:72px;padding:0 20px;gap:15px}header img{width:132px;height:auto}header .mobile-nav-toggle{display:flex}
 header nav{display:none;position:absolute;top:72px;left:0;right:0;margin:0;padding:12px 20px 20px;background:rgba(5,5,5,.98);border-bottom:1px solid #2b2b2f;flex-direction:column;gap:0;max-height:calc(100dvh - 72px);overflow:auto}
 header nav.is-open{display:flex}header nav a{display:flex;align-items:center;min-height:48px;padding:8px 4px;border-bottom:1px solid #1e1e21;font-size:14px}
 .hero{padding:56px 22px;gap:28px}.section,.brand,.cta{padding:64px 22px}.magic-central,.magic-model-focus,.akra-performance{padding-left:22px;padding-right:22px}
 h1{font-size:clamp(42px,12vw,66px);overflow-wrap:anywhere}h2{font-size:clamp(31px,9vw,46px);overflow-wrap:anywhere}h3{overflow-wrap:anywhere}.lead,.section-lead{font-size:16px}
 .actions,.model-actions,.cta-actions{gap:10px}.btn,.ghost{min-height:46px;display:inline-flex;align-items:center;justify-content:center}
 .guide-topbar{padding:14px 20px;flex-wrap:wrap}.guide-topbar img{width:132px}.guide-topbar nav{width:100%;margin:0;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;-webkit-overflow-scrolling:touch}.guide-topbar nav a{white-space:nowrap;min-height:40px;display:flex;align-items:center}
 .guide-page{padding-left:20px;padding-right:20px}.guide-hero h1{font-size:clamp(42px,12vw,64px)}
 .mapping-feature-table-wrap,.guide-card{overflow-x:auto;-webkit-overflow-scrolling:touch}.guide-table{min-width:560px}
 .magic-model-wrap{gap:30px}.magic-model-focus{padding-top:48px;padding-bottom:55px}.magic-model-copy h2{font-size:clamp(34px,10vw,50px)}
 .price-panel{min-width:0;width:100%}.model-product{gap:24px}
}
@media(max-width:600px){
 .hero{padding-top:44px;padding-bottom:50px}.hero-points{gap:7px}.hero-points span{font-size:10px;padding:7px 9px}
 .cards,.steps,.bike-grid,.product-grid,.manual-grid,.video-grid,.feature-grid,.reviews-grid{grid-template-columns:minmax(0,1fr)}
 .bike-img{height:190px}.product-card img{height:auto;max-height:260px;object-fit:contain}.product-copy p{min-height:0}
 .magic-central{padding-top:58px;padding-bottom:58px}.magic-central-wrap{gap:32px}.magic-central-copy h2{font-size:clamp(34px,10vw,48px)}.magic-central-visual{min-height:0}.magic-central-visual img{transform:none}.product-tag{position:relative;right:auto;bottom:auto;display:inline-block;margin-top:12px}
 .guide-page{padding-top:22px;padding-bottom:58px}.guide-hero{padding-top:30px;gap:22px}.guide-hero-visual{min-height:200px}.guide-panel,.guide-card{padding:20px}.guide-benefit{padding:15px}.guide-model{grid-template-columns:66px minmax(0,1fr) auto;gap:10px}.guide-model img{width:66px;height:50px}
 .review-submit{padding:20px}.review-form input,.review-form select,.review-form textarea,.shop-form input,.shop-form select,.shop-form textarea{font-size:16px;min-height:46px}
 .model-mapping-card{padding:18px;margin:20px 0}.model-mapping-card table{font-size:13px}.model-mapping-card th,.model-mapping-card td{padding:9px 8px}
 footer{padding:25px 22px}.cta h2{font-size:clamp(31px,9vw,42px)}
}
@media(hover:none){.bike-card:hover,.manual:hover{transform:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}