:root{
  --navy:#07182b;--navy2:#0a3152;--blue:#0874dd;--cyan:#00a7c8;--ink:#13283b;
  --muted:#5e7387;--page:#edf4f8;--line:#d8e4ed;--white:#fff;
  --shadow:0 18px 50px rgba(7,31,54,.12);--max:1240px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--page);line-height:1.55}a{color:inherit}button,a{font:inherit}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;left:14px;top:-60px;background:#fff;padding:10px 14px;border-radius:8px;z-index:100}.skip-link:focus{top:14px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid rgba(10,49,82,.1)}.header-inner{width:min(calc(100% - 34px),var(--max));margin:auto;min-height:76px;display:grid;grid-template-columns:auto 1fr auto;gap:28px;align-items:center}.brand{display:flex;flex-direction:column;text-decoration:none;line-height:1}.wordmark,.footer-wordmark{font-weight:950;letter-spacing:.11em;color:var(--navy);font-size:1.55rem}.tagline-small{margin-top:7px;color:var(--blue);font-size:.68rem;font-weight:850;letter-spacing:.06em;text-transform:uppercase}.primary-nav{display:flex;justify-content:center;gap:30px}.primary-nav a{text-decoration:none;font-weight:750;color:#314a60}.primary-nav a:hover{color:var(--blue)}.header-cta,.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 19px;border-radius:10px;text-decoration:none;font-weight:900;border:1px solid transparent;cursor:pointer}.header-cta,.button.primary{color:#fff;background:linear-gradient(135deg,#075fbd,var(--blue));box-shadow:0 8px 22px rgba(8,116,221,.22)}.button.secondary{background:#fff;border-color:#c7d7e3;color:var(--navy)}.button.white{background:#fff;color:var(--blue);box-shadow:0 10px 30px rgba(0,0,0,.14)}.menu-button{display:none;background:transparent;border:0;font-size:1.55rem;color:var(--navy)}
.hero{overflow:hidden;background:radial-gradient(circle at 77% 12%,rgba(0,167,200,.18),transparent 27%),radial-gradient(circle at 16% 5%,rgba(8,116,221,.17),transparent 34%),linear-gradient(180deg,#fff,#edf6fc);border-bottom:1px solid #d7e5ee}.hero-inner{width:min(calc(100% - 34px),var(--max));margin:auto;padding:82px 0 76px;display:grid;grid-template-columns:1.12fr .88fr;gap:60px;align-items:center}.eyebrow{margin:0 0 12px;color:#0864bb;font-size:.78rem;font-weight:950;letter-spacing:.14em}.hero h1{margin:0;color:var(--navy);font-size:clamp(3rem,6vw,5.5rem);line-height:.94;letter-spacing:-.055em}.hero-text{max-width:700px;margin:26px 0 0;color:#465f75;font-size:1.13rem}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.platform-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.platform{display:inline-flex;padding:7px 11px;border-radius:999px;border:1px solid;font-size:.85rem;font-weight:850}.platform.available{color:#177b47;border-color:#abd8bb;background:#eaf8ef}.platform.planned{color:#51667a;border-color:#cbd8e2;background:#fff}
.hero-visual{position:relative;min-height:400px;border-radius:28px;background:radial-gradient(circle at center,rgba(0,167,200,.24),transparent 30%),linear-gradient(140deg,#061a2c,#0b416b);box-shadow:var(--shadow);overflow:hidden}.phone{position:absolute;top:102px;width:112px;height:220px;border:8px solid #e9f6ff;border-radius:25px;background:linear-gradient(160deg,#102e48,#081b2e);box-shadow:0 22px 35px rgba(0,0,0,.25)}.phone-left{left:52px;transform:rotate(-7deg)}.phone-right{right:52px;transform:rotate(7deg)}.screen-label{position:absolute;top:38%;left:50%;transform:translate(-50%,-50%);color:#fff;font-size:.73rem;font-weight:950;letter-spacing:.13em}.connection-dot{position:absolute;left:50%;bottom:27px;width:15px;height:15px;border-radius:50%;background:#42d190;box-shadow:0 0 0 8px rgba(66,209,144,.12);transform:translateX(-50%)}.connection-waves{position:absolute;left:50%;top:128px;width:126px;height:126px;transform:translateX(-50%)}.connection-waves span{position:absolute;inset:0;border:4px solid #55c7ef;border-left-color:transparent;border-right-color:transparent;border-radius:50%}.connection-waves span:nth-child(2){inset:20px;opacity:.72}.connection-waves span:nth-child(3){inset:41px;opacity:.95}.earbud{position:absolute;bottom:40px;width:42px;height:58px;border:10px solid #67d8ed;border-bottom-color:transparent;border-radius:50%}.earbud-left{left:24px}.earbud-right{right:24px}.visual-caption{position:absolute;left:0;right:0;bottom:14px;margin:0;color:#a9c8db;text-align:center;font-size:.74rem;font-weight:800}
.value-strip{width:min(calc(100% - 34px),var(--max));margin:-24px auto 0;position:relative;z-index:3;display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}.value-strip div{padding:21px 22px;display:grid}.value-strip div+div{border-left:1px solid #e1eaf0}.value-strip strong{color:var(--navy)}.value-strip span{color:var(--muted);font-size:.85rem}
.how-section,.difference-section,.earbuds-callout,.support-section{width:min(calc(100% - 34px),var(--max));margin-left:auto;margin-right:auto}.how-section{padding:88px 0}.section-heading{max-width:760px}.section-heading h2,.difference-section h2,.earbuds-callout h2,.support-section h2{margin:0;color:var(--navy);font-size:clamp(2.25rem,4.5vw,3.8rem);line-height:1.02;letter-spacing:-.04em}.section-heading>p:last-child{color:var(--muted);font-size:1.05rem}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:38px}.steps article{padding:30px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 9px 28px rgba(8,45,75,.07)}.step-number{display:grid;place-items:center;width:42px;height:42px;border-radius:11px;background:#e7f2ff;color:var(--blue);font-weight:950}.steps h3{margin:18px 0 8px;color:var(--navy);font-size:1.25rem}.steps p{margin:0;color:var(--muted)}
.use-section{padding:78px max(17px,calc((100% - var(--max))/2));background:radial-gradient(circle at 80% 0,rgba(0,167,200,.20),transparent 28%),linear-gradient(135deg,#06182b,#0a3d67);color:#fff}.section-heading.light h2{color:#fff}.use-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:36px}.use-grid article{padding:25px;border:1px solid rgba(255,255,255,.13);border-radius:16px;background:rgba(255,255,255,.055)}.use-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:10px;background:#0874dd;font-weight:950}.use-grid h3{margin:17px 0 8px}.use-grid p{margin:0;color:#bfd0de;font-size:.9rem}
.difference-section{padding:88px 0;display:grid;grid-template-columns:.85fr 1.15fr;gap:65px;align-items:center}.difference-copy>p:last-child{color:var(--muted);font-size:1.03rem}.comparison{overflow:hidden;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow)}.comparison>div{display:grid;grid-template-columns:1.4fr .6fr .6fr;gap:12px;padding:17px 20px;align-items:center}.comparison>div+div{border-top:1px solid #e4ebf1}.comparison-header{background:#eaf2f7}.comparison strong,.comparison b{color:var(--navy);text-align:center}.comparison>div span{font-weight:750}.comparison>div b:first-of-type{color:#12804a}
.earbuds-callout{margin-bottom:82px;padding:42px;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}.earbuds-callout h2{font-size:clamp(2rem,4vw,3.2rem)}.earbuds-callout p:last-child{max-width:760px;color:var(--muted)}
.cta-section{text-align:center;padding:78px 20px;background:linear-gradient(135deg,#0874dd,#00a7c8);color:#fff}.cta-section .eyebrow{color:#d9f7ff}.cta-section h2{margin:0;font-size:clamp(2.35rem,5vw,4rem);line-height:1}.cta-section p{font-size:1.08rem}.support-section{padding:72px 0;display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}.support-section p{color:var(--muted)}.support-section a{color:var(--blue);font-weight:850}
.site-footer{background:var(--navy);color:#fff}.footer-inner{width:min(calc(100% - 34px),var(--max));margin:auto;min-height:170px;display:grid;grid-template-columns:1.1fr 1fr .8fr;gap:40px;align-items:center}.footer-wordmark{color:#fff}.footer-inner p{color:#aebfcd}.footer-inner nav{display:flex;flex-wrap:wrap;justify-content:center;gap:20px}.footer-inner nav a{text-decoration:none;color:#d9e5ee;font-weight:750;font-size:.9rem}.parent-brand{text-align:right}
@media(max-width:1000px){.hero-inner{grid-template-columns:1fr}.hero-visual{max-width:720px}.value-strip{grid-template-columns:repeat(2,1fr)}.value-strip div:nth-child(3){border-left:0;border-top:1px solid #e1eaf0}.value-strip div:nth-child(4){border-top:1px solid #e1eaf0}.use-grid{grid-template-columns:repeat(2,1fr)}.difference-section{grid-template-columns:1fr}.earbuds-callout{grid-template-columns:1fr}.primary-nav{gap:18px}}
@media(max-width:820px){.header-inner{grid-template-columns:auto 1fr auto}.menu-button{display:block;justify-self:end}.header-cta{display:none}.primary-nav{display:none;grid-column:1/-1;flex-direction:column;padding-bottom:15px}.primary-nav.open{display:flex}.primary-nav a{padding:11px 0;border-top:1px solid #e5edf2}.steps{grid-template-columns:1fr}.support-section{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr;gap:22px;padding:36px 0;text-align:center}.parent-brand{text-align:center}}
@media(max-width:620px){.wordmark{font-size:1.32rem}.tagline-small{display:none}.hero-inner{width:min(calc(100% - 26px),var(--max));padding:52px 0 60px}.hero h1{font-size:clamp(2.75rem,14vw,4.2rem)}.hero-visual{min-height:330px}.phone{top:77px;width:82px;height:174px}.phone-left{left:32px}.phone-right{right:32px}.connection-waves{top:98px;width:98px;height:98px}.value-strip{width:min(calc(100% - 26px),var(--max));grid-template-columns:1fr}.value-strip div+div{border-left:0;border-top:1px solid #e1eaf0}.how-section,.difference-section,.earbuds-callout,.support-section{width:min(calc(100% - 26px),var(--max))}.how-section,.difference-section{padding:64px 0}.use-grid{grid-template-columns:1fr}.earbuds-callout{padding:28px 22px;margin-bottom:58px}.comparison>div{grid-template-columns:1.2fr .6fr .6fr;padding:14px 12px;font-size:.82rem}.support-section{padding:56px 0}}