:root{--bg:#07090d;--bg2:#0d1118;--card:#111722;--line:#1f2a3a;--blue:#1e90ff;--blue2:#4fb0ff;--ink:#f3f6fa;--mute:#9aa7b8;--r:16px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue2)}
:focus-visible{outline:3px solid var(--blue2);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;background:var(--blue);color:#fff;padding:8px 12px;border-radius:8px;z-index:50}
.skip:focus{left:8px}
.wrap{width:min(1120px,100% - 40px);margin-inline:auto}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 20px;padding-top:max(10px,env(safe-area-inset-top));background:rgba(7,9,13,.88);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand img{height:40px;width:auto}
.topbar nav{display:flex;align-items:center;gap:4px}
.topbar nav a{color:var(--ink);text-decoration:none;font-weight:600;font-size:14px;padding:8px 10px;border-radius:999px}
.topbar nav a:hover{color:var(--blue2)}
.topbar nav .nav-cta{background:var(--blue);color:#fff}
.topbar nav .nav-cta:hover{background:var(--blue2);color:#fff}
@media (max-width:480px){.topbar nav a:not(.nav-cta):not(.nav-compare){display:none}.brand img{height:34px}.topbar nav .nav-compare{border:1px solid #33465f}}
.eyebrow{margin:0 0 8px;color:var(--blue2);font-weight:800;font-size:12.5px;letter-spacing:.16em;text-transform:uppercase}
h1,h2,h3{line-height:1.08;margin:0;letter-spacing:-.02em}
h1{font-size:clamp(42px,11vw,84px);font-weight:900;text-transform:uppercase}
h1 span{color:var(--blue)}
h2{font-size:clamp(30px,7.5vw,48px);font-weight:900;margin-bottom:22px}
h3{font-size:22px;font-weight:800}
.sub{color:var(--mute);margin:-10px 0 24px;font-size:17px}
.hero{position:relative;background:var(--bg)}
.hero-img{position:relative}
.hero-img img{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:50% 50%}
@media (min-width:600px){.hero-img img{aspect-ratio:3/2}}
@media (min-width:1000px){.hero-img img{aspect-ratio:21/9;object-position:50% 45%}}
.hero-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,9,13,0) 0%,rgba(7,9,13,0) 62%,rgba(7,9,13,.8) 90%,var(--bg) 100%)}
.hero-copy{position:relative;margin-top:-20px;padding-bottom:48px}
.lede{color:#c9d3df;font-size:18px;max-width:560px;margin:16px 0 26px}
.btns{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 22px;border-radius:12px;font-weight:800;text-decoration:none;font-size:16px;border:2px solid transparent;transition:transform .12s,background .12s}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 8px 24px -10px rgba(30,144,255,.8)}
.btn-primary:hover{background:var(--blue2)}
.btn-ghost{color:var(--ink);border-color:#33465f}
.btn-ghost:hover{border-color:var(--blue2)}
.btn-sm{min-height:44px;padding:10px 16px;font-size:15px}
.btn-wide{width:100%}
.btn-lg{font-size:18px;padding:16px 24px;word-break:break-all}
.section{padding:64px 0;border-top:1px solid var(--line)}
.section-alt{background:var(--bg2)}
.cards{display:grid;gap:20px}
@media (min-width:700px){.cards{grid-template-columns:1fr 1fr}}
@media (min-width:1040px){.cards{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column}
.card-img{background:#05070b}
.card-img img{width:100%;aspect-ratio:1/1;object-fit:cover}
.card-feature{border-color:rgba(30,144,255,.55);box-shadow:0 0 0 1px rgba(30,144,255,.25),0 20px 50px -30px rgba(30,144,255,.7)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body p{margin:0;color:#c3ccd8}
.card-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.tag{background:rgba(30,144,255,.14);color:var(--blue2);border:1px solid rgba(30,144,255,.4);font-weight:800;font-size:13px;padding:4px 10px;border-radius:999px}
.ticks{list-style:none;padding:0;margin:0;display:grid;gap:7px}
.ticks li{position:relative;padding-left:26px;color:var(--ink);font-size:15px}
.ticks li::before{content:"";position:absolute;left:2px;top:.42em;width:12px;height:7px;border-left:3px solid var(--blue);border-bottom:3px solid var(--blue);transform:rotate(-45deg)}
.swatch-line{font-size:14px;color:var(--mute)!important;display:flex;flex-wrap:wrap;align-items:center;gap:4px 6px}
.dot{display:inline-block;width:14px;height:14px;border-radius:50%;background:var(--c);border:2px solid #3a4a60;vertical-align:-2px;margin-left:4px}
.dot-rainbow{background:conic-gradient(#e33,#f90,#ee3,#3c6,#39f,#a4f,#e33)}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:8px;border-top:1px solid var(--line)}
.price{font-weight:800;font-size:17px}
.build{display:grid;gap:24px}
@media (min-width:860px){.build{grid-template-columns:1.05fr 1fr;align-items:start}}
.build-photo{margin:0}
.build-photo img{border-radius:var(--r);width:100%;aspect-ratio:1/1;object-fit:cover;border:1px solid var(--line)}
.build-photo figcaption{color:var(--mute);font-size:14px;margin-top:8px}
.specs dl{margin:0;display:grid}
.specs dl div{display:grid;grid-template-columns:92px 1fr;gap:12px;padding:13px 0;border-bottom:1px solid var(--line)}
.specs dt{color:var(--blue2);font-weight:800;text-transform:uppercase;font-size:13px;letter-spacing:.08em;padding-top:2px}
.specs dd{margin:0}
.inside{margin:22px 0 0;display:flex;gap:14px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:12px}
.inside img{width:118px;border-radius:10px;flex:none}
.inside figcaption{color:var(--mute);font-size:14px}
.picker{display:grid;gap:22px}
@media (min-width:860px){.picker{grid-template-columns:1fr 1fr;align-items:start}.picker-photo{position:sticky;top:84px}}
.picker-photo{margin:0;background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.picker-photo img{width:100%;aspect-ratio:1/1;object-fit:cover}
@media (max-width:859px){.picker-photo img{aspect-ratio:5/4}}
.picker-photo figcaption{padding:10px 14px;color:var(--mute);font-size:14px}
fieldset{border:0;padding:0;margin:0 0 20px;min-width:0}
legend{font-weight:800;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--blue2);margin-bottom:10px;padding:0}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chips label{position:relative;cursor:pointer}
.chips input{position:absolute;opacity:0;width:1px;height:1px}
.chips span{display:inline-flex;align-items:center;gap:8px;min-height:46px;padding:10px 16px;border-radius:12px;border:2px solid #2a3850;background:var(--card);font-weight:700}
.chips span small{color:var(--mute);font-weight:600}
.chips .dot{margin-left:0}
.chips input:checked+span{border-color:var(--blue);background:rgba(30,144,255,.14);box-shadow:0 0 0 1px var(--blue) inset}
.chips input:focus-visible+span{outline:3px solid var(--blue2);outline-offset:2px}
.note{color:var(--mute);font-size:14px;margin:10px 0 0}
.summary{background:var(--card);border:1px solid var(--blue);border-radius:var(--r);padding:16px;display:grid;gap:12px}
.summary p{margin:0}
.custom{margin-top:16px}
.steps{list-style:none;margin:0;padding:0;display:grid;gap:14px}
@media (min-width:860px){.steps{grid-template-columns:repeat(3,1fr)}}
.steps li{display:flex;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px}
.steps li>span{flex:none;width:40px;height:40px;border-radius:12px;background:var(--blue);color:#fff;font-weight:900;font-size:20px;display:grid;place-items:center}
.steps h3{font-size:19px;margin-bottom:4px}
.steps p{margin:0;color:#c3ccd8}
.about{display:grid;gap:24px;align-items:center}
.about p{color:#c9d3df;font-size:17px;max-width:620px}
.about-logo{max-width:340px;opacity:.95}
@media (max-width:859px){.about-logo{max-width:200px}}
@media (min-width:860px){.about{grid-template-columns:1.4fr 1fr}}
.contact{text-align:center;background:radial-gradient(120% 90% at 50% 0%,rgba(30,144,255,.18),transparent 60%),var(--bg)}
.contact .sub{margin-top:-10px}
.facts{list-style:none;padding:0;margin:26px 0 0;display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.facts li{border:1px solid var(--line);background:var(--card);border-radius:999px;padding:8px 14px;color:#c3ccd8;font-size:14px}
.footer{border-top:1px solid var(--line);padding:36px 0 calc(36px + env(safe-area-inset-bottom));text-align:center;color:var(--mute)}
.footer img{width:180px;margin:0 auto 10px}
.footer p{margin:4px 0}
.small{font-size:13px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}

/* water-resistance */
.drop{width:1em;height:1em;fill:currentColor;flex:none}
.wr-line{display:flex;gap:10px;align-items:flex-start;max-width:560px;margin:-8px 0 24px;padding:12px 14px;border-radius:12px;background:rgba(30,144,255,.12);border:1px solid rgba(30,144,255,.45);color:var(--ink);font-size:15.5px;line-height:1.4}
.wr-line .drop{color:var(--blue2);width:22px;height:22px;margin-top:1px}
.wr-line small{display:block;color:var(--mute);font-size:13px;margin-top:2px}
.wr-badge{display:inline-flex!important;align-items:center;gap:6px;width:max-content;margin:0!important;padding:5px 11px;border-radius:999px;background:var(--blue);color:#fff!important;font-weight:800;font-size:13px;letter-spacing:.04em;text-transform:uppercase}

/* USB panel add-on */
.addon{margin:0!important;font-size:14px;color:var(--mute)!important;border-top:1px dashed var(--line);padding-top:10px}
.addon strong{color:var(--blue2)}
.check{display:flex;gap:12px;align-items:flex-start;cursor:pointer;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.check input{width:22px;height:22px;margin:2px 0 0;accent-color:var(--blue);flex:none}
.check span{font-weight:700;line-height:1.35}
.check strong{color:var(--blue2)}
.check small{display:block;font-weight:500;color:var(--mute);font-size:13px;margin-top:3px}
.check:has(input:checked){border-color:var(--blue);background:rgba(30,144,255,.12)}

/* Compare */
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.cmp{--cols:1fr 1fr;max-width:900px;margin-inline:auto}
.cmp-pics,.cmp-head,.cmp-row,.cmp-foot{display:grid;grid-template-columns:var(--cols);column-gap:10px}
.cmp-corner{display:none}
.cmp-pics img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px;border:1px solid var(--line);background:#05070b}
.cmp-head{position:sticky;top:var(--tb,56px);z-index:5;background:var(--bg2);padding:0 0 8px;box-shadow:0 10px 18px -14px rgba(0,0,0,.9)}
.cmp-pick{display:flex;flex-direction:column;padding-top:10px}
.cmp-pick select{appearance:none;-webkit-appearance:none;width:100%;min-height:46px;padding:10px 34px 10px 12px;border-radius:10px;border:2px solid var(--blue);background:#0a0f17 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'%3E%3Cpath d='M1 1l6 6 6-6' fill='none' stroke='%234fb0ff' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 12px center;color:var(--ink);font:inherit;font-weight:800;font-size:16px;cursor:pointer}
.cmp-pick select:hover{border-color:var(--blue2)}
.cmp-price{font-weight:900;font-size:20px;text-align:center;letter-spacing:-.01em}
.cmp-rows{display:grid}
.cmp-row{padding:12px 0;border-bottom:1px solid var(--line);row-gap:6px;align-items:center}
.cmp-row[hidden]{display:none}
.cmp-label{grid-column:1/-1;text-align:center;color:var(--mute);font-weight:800;font-size:12px;letter-spacing:.1em;text-transform:uppercase}
.cmp-row.is-diff .cmp-label{color:var(--blue2)}
.cmp-row.is-diff .cmp-label::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--blue);margin-right:7px;vertical-align:1px}
.cmp-cell{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:2px;min-height:30px;font-weight:700;font-size:15px;line-height:1.3}
.cmp-cell .cmp-mark{font-size:20px;line-height:1}
.cmp-cell small{color:var(--mute);font-weight:600;font-size:12.5px}
.cmp-cell.is-unk .cmp-mark{color:var(--mute);font-size:22px;font-weight:700}
.cmp-row:first-child .cmp-cell{font-size:19px;font-weight:900}
.cmp-empty{text-align:center;color:var(--mute);padding:18px 0;margin:0}
.cmp-diff{display:inline-flex;align-items:center;gap:8px;cursor:pointer;font-weight:700;font-size:14px;color:var(--ink)}
.cmp-diff input{width:20px;height:20px;accent-color:var(--blue);margin:0}
.cmp-diff-m{display:flex;width:max-content;margin:0 0 14px auto;padding:8px 14px;border:1px solid var(--line);border-radius:999px;background:var(--card);font-size:13.5px}
.cmp-foot{margin-top:14px}
.cmp-foot>div{display:flex;flex-direction:column;align-items:stretch;gap:8px;text-align:center}
.cmp-foot-price{font-weight:900;font-size:18px}
.cmp-foot .btn{padding:10px 8px;font-size:14.5px;line-height:1.2}
.cmp-legend{text-align:center;margin-top:16px}
@media (min-width:700px){
  .cmp{--cols:minmax(180px,1.1fr) 1fr 1fr;margin-inline:0}
  .cmp-pics,.cmp-head,.cmp-row,.cmp-foot{column-gap:16px}
  .cmp-corner{display:block}
  .cmp-head .cmp-corner{display:flex;align-items:flex-end;padding-bottom:12px}
  .cmp-diff-m{display:none}
  .cmp-label{grid-column:auto;text-align:left;font-size:12.5px}
  .cmp-row{padding:14px 0}
  .cmp-cell{font-size:16px}
  .cmp-foot .btn{font-size:15px;padding:10px 14px}
}

/* TWS */
.badges{display:flex;flex-wrap:wrap;gap:8px}
.badges .wr-badge{margin:0!important}
.tws-badge{display:inline-flex;align-items:center;gap:5px;margin:0;padding:4px 11px;border-radius:999px;border:2px solid var(--blue);color:var(--blue2);font-weight:800;font-size:13px;letter-spacing:.04em;text-transform:uppercase;background:rgba(30,144,255,.08)}
.tws-badge svg{width:15px;height:15px}
.tws{position:relative;padding:48px 0;background:radial-gradient(120% 140% at 0% 0%,rgba(30,144,255,.28),transparent 55%),linear-gradient(180deg,#0b1422,#07090d);border-top:1px solid rgba(30,144,255,.4);border-bottom:1px solid rgba(30,144,255,.4)}
.tws-wrap{display:grid;gap:24px;align-items:center}
.tws-art svg{width:100%;max-width:420px;height:auto;display:block;margin-inline:auto}
.tws h2{font-size:clamp(34px,8.5vw,56px);font-weight:900;text-transform:uppercase}
.tws h2 span{color:var(--blue2);display:block}
.tws-copy>p:not(.eyebrow){color:#c9d3df;font-size:17px;margin:14px 0 16px;max-width:560px}
.tws-points{list-style:none;padding:0;margin:0 0 22px;display:flex;flex-wrap:wrap;gap:8px}
.tws-points li{padding:7px 12px;border-radius:999px;background:var(--card);border:1px solid var(--line);font-weight:700;font-size:14px}
.tws-points li::before{content:"✓";color:var(--blue2);font-weight:900;margin-right:6px}
@media (min-width:820px){.tws{padding:72px 0}.tws-wrap{grid-template-columns:1fr 1.1fr;gap:48px}.tws-art{order:2}}

.guide-link{display:block;max-width:560px;margin:18px auto 0}
.guide-img{display:block;width:100%;height:auto;border-radius:14px;box-shadow:0 10px 30px rgba(0,0,0,.35)}

.card-img{position:relative}
.sold-tag{position:absolute;top:12px;left:12px;background:#e5484d;color:#fff;font-weight:800;font-size:12px;letter-spacing:.12em;text-transform:uppercase;padding:7px 11px;border-radius:999px}
.card.is-sold-out .card-img img{opacity:.55}
.btn.is-sold{background:#1f2a3a;color:var(--mute);box-shadow:none;cursor:default;pointer-events:none}
.chips input:disabled+span{opacity:.45;cursor:not-allowed}