@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@500;600;700;800&display=swap');
:root{--ink:#10232b;--ink-2:#173943;--teal:#16b8a6;--teal-dark:#087e75;--mist:#eef5f4;--paper:#fbfdfc;--white:#fff;--muted:#64757b;--line:#dce7e5;--warm:#d9f26c;--shadow:0 20px 60px rgba(16,35,43,.12);--radius:24px;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font-family:'DM Sans',Arial,sans-serif;line-height:1.65}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button{font:inherit}h1,h2,h3{font-family:'Manrope',Arial,sans-serif;line-height:1.12;letter-spacing:-.04em;margin:0}p{margin:0}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.skip-link{position:fixed;left:1rem;top:-5rem;z-index:100;background:var(--white);padding:.75rem 1rem;border-radius:8px}.skip-link:focus{top:1rem}.site-header{height:84px;max-width:var(--max);margin:auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:2rem}.brand{display:flex;align-items:center;gap:.8rem;font:700 1rem 'Manrope',sans-serif}.brand-mark{display:grid;place-items:center;width:43px;height:43px;border-radius:14px;background:var(--ink);color:var(--warm);font-size:.82rem;letter-spacing:.03em}.brand small{display:block;color:var(--muted);font:500 .69rem 'DM Sans',sans-serif;letter-spacing:.01em}.site-header nav{display:flex;align-items:center;gap:2rem;font-weight:600;font-size:.92rem}.site-header nav a{position:relative}.site-header nav a:after{content:'';position:absolute;left:0;right:100%;bottom:-5px;height:2px;background:var(--teal);transition:.25s}.site-header nav a:hover:after,.site-header nav a:focus-visible:after{right:0}.menu-button{display:none;background:none;border:0;padding:8px}.menu-button span:not(.sr-only){display:block;width:24px;height:2px;margin:5px;background:var(--ink)}.hero{min-height:650px;background:var(--ink);color:var(--white);display:grid;grid-template-columns:minmax(0,1fr) minmax(420px,.82fr);align-items:center;gap:4rem;padding:70px max(24px,calc((100vw - var(--max))/2));overflow:hidden}.hero-copy{max-width:670px}.eyebrow{display:block;color:var(--teal-dark);font-size:.75rem;line-height:1.3;text-transform:uppercase;letter-spacing:.14em;font-weight:800;margin-bottom:1rem}.eyebrow.light{color:#65e2d6}.hero h1{font-size:clamp(3.1rem,6vw,5.8rem);max-width:760px}.hero-copy>p{font-size:1.14rem;max-width:590px;color:#bfd0d3;margin:1.7rem 0 2.1rem}.hero-actions{display:flex;gap:.8rem;flex-wrap:wrap}.button{display:inline-flex;justify-content:center;align-items:center;min-height:50px;border-radius:999px;padding:.7rem 1.35rem;font-weight:700;transition:transform .2s,background .2s}.button:hover{transform:translateY(-2px)}.button.primary{background:var(--warm);color:var(--ink)}.button.ghost{border:1px solid #557078;color:var(--white)}.button.secondary{background:var(--ink);color:var(--white)}.trust-row{display:flex;gap:2.2rem;list-style:none;margin:3.2rem 0 0;padding:0}.trust-row li{display:grid}.trust-row strong{font:700 1.45rem 'Manrope'}.trust-row span{color:#91a9ae;font-size:.76rem}.hero-visual{position:relative;display:grid;place-items:center;min-height:490px}.mechanism-card{position:relative;z-index:2;background:var(--white);color:var(--ink);border-radius:30px;padding:14px;box-shadow:0 40px 90px rgba(0,0,0,.28);transform:rotate(3deg);max-width:460px}.mechanism-card img{width:100%;height:330px;object-fit:cover;border-radius:20px;background:#eee}.mechanism-card>div{padding:18px 12px 10px;display:grid}.mechanism-card strong{font:700 1.05rem 'Manrope'}.mechanism-card small{color:var(--muted)}.visual-label{position:absolute;z-index:3;top:28px;left:-30px;background:var(--warm);color:var(--ink);padding:.65rem 1rem;border-radius:999px;font-weight:800;font-size:.75rem;transform:rotate(-8deg)}.orbit{position:absolute;border:1px solid #31515a;border-radius:50%}.orbit.one{width:520px;height:520px}.orbit.two{width:690px;height:690px}.benefits{max-width:var(--max);margin:-1px auto 0;display:grid;grid-template-columns:repeat(3,1fr);background:var(--white);box-shadow:var(--shadow);position:relative;z-index:4}.benefits article{padding:34px 38px;border-right:1px solid var(--line)}.benefits article:last-child{border:0}.benefits span{color:var(--teal-dark);font-weight:800;font-size:.72rem}.benefits h2{font-size:1.05rem;letter-spacing:-.02em;margin:.5rem 0}.benefits p{font-size:.9rem;color:var(--muted);line-height:1.55}.section{max-width:var(--max);margin:auto;padding:110px 24px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:3rem;margin-bottom:45px}.section-heading h2,.guide h2,.cta h2{font-size:clamp(2.2rem,4vw,3.5rem)}.section-heading>p{max-width:460px;color:var(--muted)}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.product-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .25s,box-shadow .25s}.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}.product-image{display:block;background:#f0f1f1;overflow:hidden}.product-image img{width:100%;height:260px;object-fit:cover;transition:transform .4s}.product-card:hover .product-image img{transform:scale(1.035)}.product-body{padding:27px}.product-body .eyebrow{font-size:.66rem;margin-bottom:.55rem}.product-body h3{font-size:1.25rem;letter-spacing:-.025em}.product-body p{color:var(--muted);font-size:.92rem;margin:1rem 0 1.2rem}.text-link{font-weight:800;font-size:.88rem;color:var(--teal-dark)}.guide{max-width:var(--max);margin:0 auto 100px;padding:65px;display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;background:var(--ink);color:var(--white);border-radius:34px}.guide-intro>p{color:#aabfc3;margin-top:1.5rem}.guide-list article{display:grid;grid-template-columns:40px 1fr auto;gap:18px;align-items:center;padding:25px 0;border-bottom:1px solid #31505a}.guide-list article:last-child{border:0}.guide-list article>span{color:#65e2d6;font-size:.75rem;font-weight:800}.guide-list h3{font-size:1rem;letter-spacing:-.02em}.guide-list p{color:#91a9ae;font-size:.85rem}.guide-list a{font-weight:700;font-size:.85rem;color:var(--warm);white-space:nowrap}.seo-copy{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;border-top:1px solid var(--line);padding-top:90px;padding-bottom:90px}.seo-copy h2{font-size:2.5rem}.seo-copy p{color:var(--muted);margin-bottom:1rem}.faq{padding-top:70px}.faq-list{max-width:880px;margin:auto}.faq details{border-top:1px solid var(--line)}.faq details:last-child{border-bottom:1px solid var(--line)}.faq summary{list-style:none;cursor:pointer;font:700 1.05rem 'Manrope';padding:24px 48px 24px 0;position:relative}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:'+';position:absolute;right:8px;top:18px;font-size:1.5rem;color:var(--teal-dark)}.faq details[open] summary:after{content:'−'}.faq details p{color:var(--muted);padding:0 48px 24px 0}.cta{max-width:var(--max);margin:0 auto 110px;padding:70px;text-align:center;border-radius:34px;background:linear-gradient(135deg,#136d69,var(--ink-2));color:var(--white)}.cta p{color:#b9d0d1;margin:1rem 0 1.8rem}.site-footer{max-width:var(--max);margin:auto;padding:50px 24px 35px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr auto;gap:30px;color:var(--muted);font-size:.85rem}.footer-brand{display:block;color:var(--ink);font:800 1.1rem 'Manrope';margin-bottom:.3rem}.footer-links{display:flex;gap:1.5rem;color:var(--ink);font-weight:700}.legal-note{grid-column:1/-1;font-size:.75rem;padding-top:22px;border-top:1px solid var(--line)}.breadcrumbs{max-width:var(--max);margin:0 auto;padding:28px 24px;color:var(--muted);font-size:.8rem;display:flex;gap:.6rem}.breadcrumbs a:hover{color:var(--teal-dark)}.product-detail{max-width:var(--max);margin:20px auto 100px;padding:0 24px;display:grid;grid-template-columns:1fr 1fr;gap:75px;align-items:start}.detail-image{position:sticky;top:25px;background:#eef1f1;border-radius:30px;padding:20px;overflow:hidden}.detail-image img{width:100%;height:520px;object-fit:cover;border-radius:20px}.detail-image>span{position:absolute;left:35px;bottom:35px;background:rgba(16,35,43,.9);color:#fff;padding:.6rem .9rem;border-radius:99px;font-size:.7rem;font-weight:700}.detail-copy{padding-top:35px}.detail-copy h1{font-size:clamp(2.8rem,5vw,4.7rem)}.detail-copy .lead{font-size:1.15rem;color:var(--ink-2);margin:1.5rem 0}.detail-copy>p:not(.lead){color:var(--muted)}.compatibility{margin:1.8rem 0;padding:20px 22px;background:var(--mist);border-left:3px solid var(--teal);border-radius:0 16px 16px 0}.compatibility strong{font:800 .8rem 'Manrope';text-transform:uppercase;letter-spacing:.08em}.compatibility p{font-size:.9rem;margin-top:.25rem}.platforms{margin-top:2.2rem}.platforms h2{font-size:1.1rem;margin-bottom:1rem}.platform{display:grid;grid-template-columns:1fr auto;position:relative;padding:15px 45px 15px 18px;border:1px solid var(--line);border-radius:15px;margin:.7rem 0;transition:.2s}.platform:hover{transform:translateX(4px);border-color:var(--teal)}.platform span{font-weight:800}.platform small{grid-column:1;color:var(--muted)}.platform b{position:absolute;right:20px;top:23px}.platform-note{color:var(--muted);font-size:.76rem;margin-top:.9rem}.detail-sections{max-width:var(--max);margin:0 auto 110px;padding:0 24px;display:grid;grid-template-columns:1fr 1fr;gap:30px}.detail-sections article{padding:40px;background:var(--white);border:1px solid var(--line);border-radius:24px}.detail-sections h2{font-size:1.8rem;margin-bottom:1.5rem}.content-list,.number-list{list-style:none;margin:0;padding:0}.content-list li{display:flex;gap:.7rem;padding:.65rem 0;border-bottom:1px solid var(--line)}.content-list li span{color:var(--teal-dark);font-weight:800}.number-list li{display:flex;align-items:center;gap:1rem;margin:1.1rem 0}.number-list span{flex:0 0 34px;height:34px;display:grid;place-items:center;border-radius:50%;background:var(--ink);color:#fff;font-weight:800}.related-cta{max-width:var(--max);margin:0 auto 100px;padding:45px;display:flex;align-items:center;justify-content:space-between;gap:2rem;background:var(--mist);border-radius:24px}.related-cta h2{font-size:1.8rem}.legal-page{max-width:800px;margin:30px auto 100px;padding:40px 24px}.legal-page h1{font-size:clamp(2.8rem,6vw,5rem);margin-bottom:2rem}.legal-page h2{font-size:1.5rem;margin:2.4rem 0 .7rem}.legal-page p{color:var(--muted)}
@media(max-width:900px){.hero{grid-template-columns:1fr;padding-top:70px}.hero-visual{min-height:400px}.mechanism-card{max-width:400px}.benefits{margin:0 24px}.product-grid{grid-template-columns:repeat(2,1fr)}.guide,.seo-copy{grid-template-columns:1fr}.guide{margin-left:24px;margin-right:24px}.product-detail{grid-template-columns:1fr;gap:30px}.detail-image{position:relative;top:0}.detail-sections{grid-template-columns:1fr}}
@media(max-width:680px){.site-header{height:72px}.menu-button{display:block}.site-header nav{position:absolute;z-index:20;left:16px;right:16px;top:68px;display:none;flex-direction:column;align-items:stretch;gap:0;background:var(--white);padding:10px;border-radius:16px;box-shadow:var(--shadow)}.site-header nav.open{display:flex}.site-header nav a{padding:13px}.hero{min-height:auto;padding:64px 22px 55px;gap:1.5rem}.hero h1{font-size:3rem}.hero-visual{min-height:340px}.mechanism-card{max-width:310px}.mechanism-card img{height:230px}.orbit.one{width:370px;height:370px}.orbit.two{display:none}.visual-label{left:-8px}.trust-row{gap:1.4rem;margin-top:2.2rem}.benefits{grid-template-columns:1fr;margin:0}.benefits article{border-right:0;border-bottom:1px solid var(--line);padding:25px 24px}.section{padding:75px 20px}.section-heading{display:block}.section-heading>p{margin-top:1rem}.product-grid{grid-template-columns:1fr}.product-image img{height:250px}.guide{padding:40px 22px;margin:0 12px 70px;border-radius:24px;gap:28px}.guide-list article{grid-template-columns:32px 1fr}.guide-list article>a{grid-column:2}.seo-copy{gap:28px}.seo-copy h2{font-size:2rem}.cta{margin:0 12px 70px;padding:45px 22px;border-radius:24px}.site-footer{grid-template-columns:1fr}.footer-links{flex-direction:column;gap:.4rem}.product-detail{margin-bottom:65px;padding:0 18px}.detail-image{padding:10px;border-radius:20px}.detail-image img{height:340px;border-radius:14px}.detail-copy h1{font-size:2.75rem}.detail-sections{padding:0 18px}.detail-sections article{padding:28px 22px}.related-cta{margin:0 18px 70px;padding:30px 22px;display:block}.related-cta .button{margin-top:1.2rem}.breadcrumbs{overflow:auto;white-space:nowrap}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}
.detail-image img{height:360px}
@media(max-width:680px){.detail-image img{height:240px}}
.compatibility{position:relative;overflow:visible;margin-top:2rem;padding:24px 24px 22px;border-left:0;border-radius:18px;background:#eaf4f2;box-shadow:inset 4px 0 0 var(--teal)}
.compatibility strong{display:block;line-height:1.4;margin:0 0 .45rem;padding:0;color:var(--ink)}
.compatibility p{line-height:1.6;margin:0}
.platforms{margin-top:2.4rem;padding:26px;border-radius:22px;background:var(--ink);color:var(--white);box-shadow:0 18px 45px rgba(16,35,43,.2)}
.platforms h2{font-size:1.5rem;margin:.2rem 0 .35rem;color:var(--white)}
.platform-kicker{color:#65e2d6;font-size:.68rem;font-weight:800;letter-spacing:.13em;text-transform:uppercase}
.platform-intro{color:#b9cbcf;font-size:.88rem;margin-bottom:1.2rem}
.platform{min-height:66px;border:0;background:var(--white);color:var(--ink);padding:13px 50px 13px 18px;box-shadow:0 7px 18px rgba(0,0,0,.14)}
.platform:hover{transform:translateY(-2px);border-color:transparent}
.platform:before{content:'';position:absolute;left:0;top:0;bottom:0;width:7px;border-radius:15px 0 0 15px}
.platform.shopier:before{background:#6941c6}.platform.hepsiburada:before{background:#ff6000}.platform.trendyol:before{background:#f27a1a}
.platform.shopier span{color:#5632ad}.platform.hepsiburada span{color:#d34f00}.platform.trendyol span{color:#d75f12}
.platform-note{color:#91a9ae}
.product-warning{margin:1rem 0 1.5rem;padding:18px 20px;border:1px solid #efd894;border-radius:16px;background:#fff9e7;color:#5c4b16}
.product-warning strong{display:block;font:800 .74rem 'Manrope';text-transform:uppercase;letter-spacing:.08em;margin-bottom:.3rem}
.product-warning p{font-size:.9rem;line-height:1.55}.product-warning a{display:inline;font-weight:800;text-decoration:underline;text-underline-offset:3px}
.bearing-story{max-width:var(--max);margin:0 auto 100px;padding:64px;display:grid;grid-template-columns:.85fr 1.15fr;gap:70px;background:linear-gradient(135deg,#11313a,var(--ink));color:var(--white);border-radius:34px}
.bearing-story h2{font-size:clamp(2.2rem,4vw,3.5rem)}.bearing-story p{color:#b4c8cc;margin-bottom:1rem}.bearing-story strong{display:block;margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid #35545c;color:var(--warm)}
.video-hero{padding:85px max(24px,calc((100vw - var(--max))/2));background:var(--ink);color:var(--white)}.video-hero h1{font-size:clamp(3.3rem,7vw,6rem)}.video-hero p{max-width:700px;color:#b8cacf;font-size:1.08rem;margin-top:1.4rem}.video-grid{max-width:var(--max);margin:auto;padding:90px 24px;display:grid;grid-template-columns:repeat(2,1fr);gap:32px}.video-grid article{background:var(--white);border:1px solid var(--line);border-radius:24px;padding:16px 16px 28px}.video-grid article:first-child{grid-column:1/-1}.video-grid h2{font-size:1.45rem;margin:0 12px .6rem}.video-grid p{color:var(--muted);margin:0 12px}.video-grid .eyebrow{margin:22px 12px 8px}.video-frame{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:16px;background:#091b21}.video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.video-note{max-width:var(--max);margin:0 auto 100px;padding:50px;background:var(--mist);border-radius:24px}.video-note h2{font-size:2rem}.video-note p{max-width:760px;color:var(--muted);margin:.8rem 0 1.4rem}
@media(max-width:900px){.bearing-story{grid-template-columns:1fr;margin-left:24px;margin-right:24px}.video-grid{grid-template-columns:1fr}.video-grid article:first-child{grid-column:auto}}
@media(max-width:680px){.platforms{padding:20px 16px}.bearing-story{padding:38px 22px;margin:0 12px 70px;border-radius:24px;gap:26px}.video-grid{padding:60px 18px}.video-note{margin:0 18px 70px;padding:32px 22px}}
.video-grid .eyebrow{margin:12px 12px 8px}.video-grid article>p{margin-bottom:20px}.video-frame{display:block;margin-top:18px;color:var(--white)}.video-frame img{width:100%;height:100%;object-fit:cover;transition:transform .3s,filter .3s}.video-frame:after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(5,20,25,.86),rgba(5,20,25,.05) 65%)}.video-frame:hover img{transform:scale(1.025);filter:brightness(.9)}.video-frame .play-icon{position:absolute;z-index:2;left:50%;top:50%;transform:translate(-50%,-50%);display:grid;place-items:center;width:68px;height:68px;padding-left:5px;border-radius:50%;background:var(--warm);color:var(--ink);font-size:1.35rem;box-shadow:0 12px 30px rgba(0,0,0,.28)}.video-frame strong{position:absolute;z-index:2;left:22px;bottom:18px;font-size:.92rem}
.video-grid article:first-child{grid-column:auto}
.gear-guidance{max-width:var(--max);margin:-55px auto 100px;padding:28px 32px;display:grid;grid-template-columns:52px 1fr auto;align-items:center;gap:24px;border:1px solid #efd894;border-radius:22px;background:#fff9e7;box-shadow:0 16px 40px rgba(75,59,13,.08)}.guidance-icon{display:grid;place-items:center;width:52px;height:52px;border-radius:16px;background:#f1c84b;color:#4e3a00;font:800 1.5rem 'Manrope'}.gear-guidance .eyebrow{color:#806200;margin-bottom:.35rem}.gear-guidance h2{font-size:1.32rem;letter-spacing:-.025em}.gear-guidance p{max-width:760px;color:#6c5b2c;font-size:.9rem;margin-top:.45rem}.gear-guidance .button{white-space:nowrap;background:#594300}
.contact-email{display:inline-flex;flex-direction:column;margin-top:14px;padding:10px 15px;border-radius:12px;background:var(--ink);color:var(--white);font-weight:800;box-shadow:0 8px 22px rgba(16,35,43,.14);transition:transform .2s,background .2s}.contact-email span{color:#65e2d6;font-size:.62rem;text-transform:uppercase;letter-spacing:.14em}.contact-email:hover{transform:translateY(-2px);background:var(--ink-2)}
@media(max-width:900px){.gear-guidance{margin:-45px 24px 80px;grid-template-columns:52px 1fr}.gear-guidance .button{grid-column:2;justify-self:start}}
@media(max-width:680px){.gear-guidance{margin:-35px 12px 65px;padding:24px 20px;grid-template-columns:1fr}.gear-guidance .button{grid-column:auto;justify-self:stretch}.guidance-icon{width:44px;height:44px}}
.brand-logo{width:56px;height:56px;object-fit:contain;flex:0 0 56px}.site-header{height:92px}.gear-guidance{margin:70px auto 0}.products-section{padding-top:70px}.contact-email small{display:block;max-width:270px;margin-top:3px;color:#c4d4d7;font-size:.7rem;font-weight:500;letter-spacing:0;text-transform:none;line-height:1.35}
@media(max-width:900px){.gear-guidance{margin:55px 24px 0}}
@media(max-width:680px){.site-header{height:78px}.brand-logo{width:48px;height:48px;flex-basis:48px}.gear-guidance{margin:40px 12px 0}.products-section{padding-top:55px}}
.seo-copy{position:relative;max-width:var(--max);margin:0 auto 85px;padding:64px;grid-template-columns:.9fr 1.1fr;gap:70px;border:0;border-radius:34px;background:linear-gradient(135deg,#0c5a57 0%,#102f38 68%,#10232b 100%);color:var(--white);overflow:hidden;box-shadow:0 24px 70px rgba(16,35,43,.16)}.seo-copy:after{content:'100%';position:absolute;right:-18px;top:-48px;color:rgba(255,255,255,.045);font:800 10rem 'Manrope';letter-spacing:-.08em}.seo-copy h2{position:relative;z-index:1;color:var(--white);font-size:clamp(2.2rem,4vw,3.45rem)}.compatibility-lead{position:relative;z-index:1;margin-top:1.4rem;padding-left:18px;border-left:3px solid var(--warm);color:#d6e5e6;font-size:1.02rem}.compatibility-content{position:relative;z-index:1}.compatibility-content p{color:#bfd2d4;margin-bottom:1rem}.compatibility-tags{display:flex;flex-wrap:wrap;gap:9px;list-style:none;margin:1.7rem 0 0;padding:0}.compatibility-tags li{padding:8px 12px;border:1px solid #4f7d80;border-radius:999px;background:rgba(255,255,255,.06);color:#eaf5f4;font-size:.78rem;font-weight:700}.faq{padding-top:55px;background:transparent}.faq .section-heading{padding-bottom:24px;border-bottom:1px solid var(--line)}
@media(max-width:900px){.seo-copy{grid-template-columns:1fr;margin-left:24px;margin-right:24px;padding:48px;gap:35px}}
@media(max-width:680px){.seo-copy{margin:0 12px 65px;padding:38px 22px;border-radius:24px}.seo-copy:after{font-size:6rem;top:-25px}.faq{padding-top:40px}}