:root{--ink:#0f0f0f;--text:rgba(18,18,18,.75);--muted:#4e5462;--soft:#53504c;--blue:#0276ff;--blue-dark:#0060d6;--navy:#132042;--gray:#f5f5f5;--gray2:#efefef;--line:#e6e6e6}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:Inter,Arial,sans-serif;font-size:16px;line-height:1.6;color:var(--text);background:#fff}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:600;line-height:1.2}
em.serif{font-style:italic;font-weight:400}
.wrap{max-width:1200px;margin:0 auto;padding:0 40px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--blue);color:#fff;font-weight:700;font-size:16px;letter-spacing:.6px;text-decoration:none;border-radius:50px;height:50px;padding:0 44px;transition:background .15s}
.btn:hover,.btn:focus-visible{background:var(--blue-dark)}
.btn svg{width:18px;height:18px}
.btn-white{background:#fff;color:#111;height:46px;padding:0 26px;font-size:15px;letter-spacing:.2px}
.btn-white:hover,.btn-white:focus-visible{background:#eef3ff}
.eyebrow{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--soft);margin:0 0 10px}
.section{padding:90px 0}

/* top */
.announce{background:var(--navy);color:#fff;text-align:center;font-size:13px;font-weight:700;padding:12px 16px;line-height:1.4}
.nav{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:20}
.nav .wrap{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:76px;padding:0 20px}
.nav .left,.nav .right{display:flex;gap:24px;font-size:13px;color:#111}
.nav .right{justify-content:flex-end;align-items:center}
.nav a{text-decoration:none}
.nav a:hover{text-decoration:underline}
.nav .brand img{height:42px;width:auto}
.nav .shop{display:inline-flex;align-items:center;gap:6px;font-weight:600}
.nav .shop svg{width:14px;height:14px}

/* hero */
.hero{text-align:center;padding:30px 0 0}
.chip{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:#111;margin-bottom:10px}
.chip span{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--blue)}
.hero h1{font-size:46px;font-weight:700;line-height:1.2;max-width:1020px;margin:0 auto 18px;letter-spacing:-.01em}
.hero p{max-width:640px;margin:0 auto 22px;color:#111;font-size:15px;line-height:1.6}
.hero .btn{min-width:296px}
.hero .assure{display:flex;align-items:center;justify-content:center;gap:10px;margin:16px auto 0;color:#111;font-size:15px}
.hero .assure svg{width:22px;height:22px}
.hero .band{margin:36px auto 0;width:100%;max-width:1060px}
.strip{overflow:hidden;padding:56px 0 30px;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.strip ul{display:flex;gap:64px;list-style:none;margin:0;padding:0;width:max-content;animation:slide 38s linear infinite}
.strip li{font-size:30px;font-weight:600;color:#a6a6a6;white-space:nowrap;letter-spacing:-.02em}
.strip li:nth-child(odd){font-style:italic;font-weight:500;font-family:Georgia,"Times New Roman",serif}
@keyframes slide{to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.strip ul{animation:none}}

/* split heading */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start;margin-bottom:56px}
.split h2{font-size:36px;font-weight:500;line-height:1.25}
.split p{color:var(--ink);font-size:18px;line-height:1.5;font-weight:500;margin:34px 0 0;opacity:.78}

/* how panel */
.how{background:#000;border-radius:16px;color:#fff;padding:56px 56px 52px;position:relative;overflow:hidden}
.how::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(2,118,255,.35),transparent 70%)}
.how h3{color:#fff;font-size:44px;font-weight:400;display:flex;align-items:center;gap:18px;margin-bottom:36px;position:relative;z-index:1}
.how h3 svg{width:42px;height:42px}
.how ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:36px;position:relative;z-index:1}
.how li b{display:block;font-size:13px;letter-spacing:2px;color:#8fb8ff;margin-bottom:8px}
.how li strong{display:block;font-size:19px;font-weight:600;margin-bottom:6px}
.how li p{margin:0;color:rgba(255,255,255,.72);font-size:15px}

.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:8px}
.trio figure{margin:0}
.trio img{width:100%;aspect-ratio:4/5;object-fit:cover}
.trio figcaption{padding:28px 25px 0}
.trio h3{font-size:20px;font-weight:500;margin-bottom:10px}
.trio p{margin:0;font-size:14px;line-height:1.6;color:#333}

/* carousel */
.picture{background:var(--gray)}
.picture .split{margin-bottom:40px}
.picture .split h2{font-size:36px}
.picture .split p{color:var(--muted);font-weight:400;font-size:16px;margin-top:6px;opacity:1}
.track{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 80px)/4.6);gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding-bottom:4px}
.track::-webkit-scrollbar{display:none}
.slide{scroll-snap-align:start}
.slide img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:4px;background:#fff}
.slide img.fit{object-fit:contain}
.slide h3{font-size:16px;font-weight:700;color:#333;margin:24px 0 8px;line-height:1.35}
.slide p{font-size:14px;line-height:1.45;color:#333;margin:0}
.track-ui{display:flex;align-items:center;justify-content:space-between;margin-top:40px}
.dots{display:flex;gap:8px;margin:0 auto}
.dots i{display:block;width:30px;height:4px;border-radius:2px;background:#d9d9d9}
.dots i.on{background:#000}
.arrows{display:flex;gap:16px}
.arrows button{width:52px;height:52px;border-radius:50%;border:0;cursor:pointer;display:grid;place-items:center;background:#fff;color:#000}
.arrows button + button{background:#000;color:#fff}
.arrows svg{width:22px;height:22px}

/* goals */
.goals{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.goal-list{list-style:none;margin:0;padding:0}
.goal-list button{display:block;width:100%;text-align:left;background:none;border:0;padding:8px 0;font:300 26px/1.4 Inter,sans-serif;color:#b8b8b8;cursor:pointer}
.goal-list button[aria-selected="true"]{color:#111;font-weight:400}
.goal-panel{display:grid;grid-template-columns:200px 1fr;gap:28px;align-items:center}
.goal-panel img{border-radius:14px;aspect-ratio:1;object-fit:cover}
.goal-panel [role=tabpanel] h3{font-size:22px;margin-bottom:10px}
.goal-panel ul{margin:0;padding:0;list-style:none}
.goal-panel li{position:relative;padding-left:26px;margin-bottom:8px;color:#333;font-size:15px}
.goal-panel li::before{content:"";position:absolute;left:0;top:7px;width:14px;height:8px;border-left:2px solid var(--blue);border-bottom:2px solid var(--blue);transform:rotate(-45deg)}

/* banner */
.banner{position:relative;color:#fff;background:#1d4d7a url("../images/content_image3.webp") right center/cover no-repeat;min-height:600px;display:flex;align-items:center}
.banner::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(18,52,92,.92) 0%,rgba(18,52,92,.72) 45%,rgba(18,52,92,0) 75%)}
.banner .wrap{position:relative;width:100%}
.banner .inner{max-width:540px}
.badge{display:inline-flex;align-items:center;gap:8px;border:1px solid #fff;border-radius:4px;padding:6px 12px;font-size:13px;font-weight:500;margin-bottom:22px}
.badge svg{width:16px;height:16px}
.banner h2{color:#fff;font-size:34px;line-height:1.3;margin-bottom:26px}
.banner h2 mark{background:#fff;color:var(--navy);padding:0 6px}
.banner p{font-size:15px;margin:0 0 18px;font-weight:500}
.banner .btn-white{margin-top:12px}

/* compare */
.center-head{text-align:center;margin-bottom:44px}
.center-head h2{font-size:34px;font-weight:600}
.center-head h2 em{display:block;font-weight:400}
.center-head p{font-size:14px;color:#333;margin:14px 0 0}
.cmp{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}
.cmp .pic{border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#ddd8d2,#f3efe9)}
.cmp .pic img{width:100%;aspect-ratio:1/1;object-fit:cover}
.acc{display:grid;gap:10px}
.acc details{background:#f7f7f7;border-radius:8px}
.acc summary{list-style:none;cursor:pointer;padding:16px 22px;font-weight:600;color:#111;font-size:14px;display:flex;justify-content:space-between;align-items:center}
.acc summary::-webkit-details-marker{display:none}
.acc summary::after{content:"+";font-weight:400;font-size:20px;line-height:1;color:#666}
.acc details[open] summary::after{content:"\2212"}
.acc .body{padding:0 22px 20px;font-size:13px;color:#444;line-height:1.6}
.acc table{width:100%;border-collapse:collapse;font-size:12.5px}
.acc th,.acc td{text-align:left;padding:8px 6px;border-bottom:1px solid #e3e3e3;vertical-align:top}
.acc th{color:#111;font-weight:600}
.acc ul{margin:0;padding-left:18px}

/* product */
.product{background:#fff}
.pgrid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:start}
.gallery .main{border-radius:10px;overflow:hidden;background:#eceae6}
.gallery .main img{width:100%;aspect-ratio:1/1;object-fit:cover}
.thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:10px}
.thumbs button{padding:0;border:2px solid transparent;border-radius:8px;overflow:hidden;cursor:pointer;background:#eee}
.thumbs button[aria-pressed="true"]{border-color:#111}
.thumbs img{width:100%;aspect-ratio:1;object-fit:cover}
.tag{display:inline-block;background:#b8ecfb;color:#063b4d;font-size:12px;font-weight:600;padding:3px 8px;border-radius:2px;letter-spacing:.3px;margin-bottom:12px}
.info h2{font-size:40px;font-weight:600;margin-bottom:6px}
.info .lede{font-size:22px;color:#a7a7a7;font-weight:500;margin:0 0 18px;line-height:1.3}
.info .desc{color:#222;font-size:15px;margin:0 0 22px}
.perks{display:grid;grid-template-columns:1fr 1fr;gap:16px 24px;margin:0 0 26px;padding:0;list-style:none}
.perks li{display:flex;gap:12px;align-items:center;font-size:14px;font-weight:600;color:#111;line-height:1.35}
.perks svg{flex:none;width:34px;height:34px;padding:7px;border-radius:50%;background:#eaf3ff;color:var(--blue)}
.info .btn{width:100%;height:56px}
.stock{display:flex;align-items:center;justify-content:center;gap:8px;font-size:13px;color:#333;margin:12px 0 22px}
.stock i{width:9px;height:9px;border-radius:50%;background:#1fbf75}
.refund{display:flex;gap:16px;align-items:center;border:1px solid #ddd;border-radius:8px;padding:18px}
.refund svg{flex:none;width:52px;height:52px;color:var(--blue)}
.refund strong{display:block;color:#111;font-size:15px;margin-bottom:2px}
.refund p{margin:0;font-size:13px;color:#444}
.ptabs{margin-top:22px;border:1px solid #ddd;border-radius:6px;overflow:hidden}
.ptabs [role=tablist]{display:grid;grid-template-columns:repeat(3,1fr)}
.ptabs [role=tab]{border:0;border-right:1px solid #ddd;background:#fff;padding:12px 6px;font:600 11px/1.2 Inter,sans-serif;letter-spacing:1px;text-transform:uppercase;color:#111;cursor:pointer}
.ptabs [role=tab]:last-child{border-right:0}
.ptabs [role=tab][aria-selected="true"]{background:#13738c;color:#fff}
.ptabs [role=tabpanel]{padding:16px 18px;font-size:13px;color:#333}
.ptabs [role=tabpanel] ul{margin:0;padding-left:18px}
.ptabs [role=tabpanel] li{margin-bottom:5px}
.wellness{margin-top:22px;background:#e2f0f4;border:1px solid #5a9fb3;border-radius:8px;padding:18px 20px}
.wellness strong{display:block;color:#111;font-size:15px;margin-bottom:4px}
.wellness p{margin:0;font-size:13px;color:#2b3a40}

/* faq */
.faq{max-width:800px;margin:0 auto}
.faq h2{text-align:center;font-size:34px;margin-bottom:40px}
.faq details{border-bottom:1px solid #e3e3e3}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 0;font-size:18px;font-weight:500;color:#111}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex:none;width:28px;height:28px;border-radius:50%;background:#111;color:#fff;display:grid;place-items:center;font-size:20px;line-height:1}
.faq details[open] summary::after{content:"\2212"}
.faq details p{margin:0 0 20px;color:#333;font-size:15px}

/* final */
.final{text-align:center;padding:80px 0 90px;background:var(--gray)}
.final h2{font-size:40px;font-weight:700;margin:0 auto 14px;max-width:760px}
.final p{max-width:620px;margin:0 auto 26px;color:#333}

/* footer */
footer{background:#fff;border-top:1px solid var(--line);padding:46px 0 34px;font-size:13px;color:#444}
footer .top{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
footer .top img{height:38px;width:auto}
footer nav{display:flex;flex-wrap:wrap;gap:8px 22px}
footer nav a{text-decoration:none;color:#111;font-weight:500}
footer nav a:hover{text-decoration:underline}
footer .legal{margin-top:26px;padding-top:20px;border-top:1px solid var(--line);line-height:1.7}
footer .legal p{margin:0 0 8px}

@media (max-width:1024px){
  .wrap{padding:0 24px}
  .track{grid-auto-columns:calc((100% - 40px)/2.6)}
  .goal-panel{grid-template-columns:1fr}
  .goal-panel img{max-width:260px}
}
@media (max-width:860px){
  .nav .left{display:none}
  .nav .wrap{grid-template-columns:auto 1fr}
  .nav .brand{justify-self:start}
  .hero h1{font-size:34px}
  .split,.goals,.cmp,.pgrid{grid-template-columns:1fr;gap:28px}
  .split p{margin-top:0}
  .how{padding:36px 26px}
  .how h3{font-size:32px}
  .how ol,.trio{grid-template-columns:1fr}
  .trio figcaption{padding:20px 4px 18px}
  .section{padding:64px 0}
  .banner{min-height:520px;background-position:70% center}
  .banner::before{background:linear-gradient(180deg,rgba(18,52,92,.55),rgba(18,52,92,.92))}
}
@media (max-width:560px){
  .wrap{padding:0 16px}
  .nav .right{gap:12px}
  .nav .right .why{display:none}
  .nav .brand img{height:34px}
  .hero h1{font-size:29px}
  .hero .btn{min-width:0;width:100%}
  .strip li{font-size:22px}
  .split h2,.picture .split h2,.center-head h2,.faq h2{font-size:28px}
  .track{grid-auto-columns:78%}
  .goal-list button{font-size:21px}
  .perks{grid-template-columns:1fr}
  .info h2{font-size:32px}
  .final h2{font-size:30px}
  .acc .body{overflow-x:auto}
}