:root{color-scheme:dark;--bg:#0b0d0f;--surface:#111417;--surface-2:#171b1e;--line:#293036;--text:#f2f5f5;--muted:#9aa5aa;--accent:#3ad1d3;--accent-deep:#102f34;--radius:14px;--shell:1120px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB",sans-serif;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{max-width:100%;display:block}
.shell{width:min(calc(100% - 48px),var(--shell));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(11,13,15,.88);border-bottom:1px solid rgba(64,74,80,.55);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.nav{height:72px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{width:42px;height:42px;border-radius:10px}
.brand span{display:grid;gap:2px}
.brand strong{font-size:18px;line-height:1;letter-spacing:-.02em}
.brand small{font-size:9px;line-height:1;color:var(--muted);font-weight:700;letter-spacing:.14em}
.nav-links{display:flex;align-items:center;gap:28px;font-size:13px;color:var(--muted)}
.nav-links a{text-decoration:none;transition:color .2s ease}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--text)}
.hero{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(160px,.65fr);gap:40px;align-items:center;padding:72px 0 88px}
.hero-copy{max-width:720px}
.eyebrow{margin:0 0 20px;color:var(--accent);font-size:12px;font-weight:700;letter-spacing:.12em}
.hero h1,.legal-hero h1{margin:0;max-width:760px;font-size:clamp(52px,4.6vw,76px);font-weight:590;line-height:.99;letter-spacing:-.052em}
.hero-lead{max-width:560px;margin:26px 0 0;color:#b5bec1;font-size:18px;line-height:1.68}
.hero-actions{display:flex;gap:12px;margin-top:32px}
.button{min-height:46px;padding:0 20px;border:1px solid transparent;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;text-decoration:none;font-size:14px;font-weight:650;white-space:nowrap;transition:transform .18s ease,background .18s ease,border-color .18s ease}
.button:active{transform:translateY(1px)}
.button.primary{background:var(--accent);color:#071012}
.button.primary:hover{background:#6bdee0}
.button.secondary{border-color:var(--line);background:var(--surface);color:var(--text)}
.button.secondary:hover{border-color:#465158}
.hero-mark{justify-self:end;padding-right:8%}
.hero-mark img{width:184px;height:184px;border-radius:36px;box-shadow:0 24px 80px rgba(24,110,119,.18)}
.app-shot{grid-column:1/-1;margin:10px 0 0;border:1px solid #394248;border-radius:var(--radius);overflow:hidden;background:var(--surface);box-shadow:0 30px 100px rgba(0,0,0,.32)}
.app-shot img{width:100%;height:auto}
.statement{display:grid;grid-template-columns:1.25fr .75fr;gap:80px;padding:104px 0;border-top:1px solid var(--line)}
.statement h2,.section-heading h2,.compatibility h2,.privacy-callout h2{margin:0;font-size:clamp(34px,4.4vw,62px);font-weight:560;line-height:1.08;letter-spacing:-.055em}
.statement p{align-self:end;margin:0;max-width:500px;color:var(--muted);font-size:17px;line-height:1.75}
.feature-layout{display:grid;grid-template-columns:1.5fr .5fr;gap:18px;padding-bottom:110px}
.feature-main{min-height:540px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow:hidden;display:grid;grid-template-rows:auto 1fr}
.feature-copy{padding:42px 44px 34px;max-width:760px}
.feature-copy h3,.feature-side h3{margin:0 0 14px;font-size:26px;font-weight:550;letter-spacing:-.035em}
.feature-copy p,.feature-side p{margin:0;color:var(--muted);line-height:1.7}
.wave-detail{min-height:300px;overflow:hidden;border-top:1px solid var(--line);background:#090b0d}
.wave-detail img{width:150%;max-width:none;height:100%;object-fit:cover;object-position:center 72%}
.feature-side{display:grid;grid-template-rows:repeat(3,1fr);gap:18px}
.feature-side article{padding:30px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
.feature-side article:nth-child(2){background:linear-gradient(145deg,var(--accent-deep),var(--surface) 72%)}
.feature-side h3{font-size:19px}
.feature-side p{font-size:14px}
.workflow{padding:104px 0;border-top:1px solid var(--line)}
.section-heading{max-width:760px}
.section-heading p{margin:20px 0 0;color:var(--muted);font-size:17px}
.workflow-list{margin-top:58px}
.workflow-list article{display:grid;grid-template-columns:180px 1fr;gap:36px;padding:30px 0;border-bottom:1px solid var(--line)}
.workflow-list article:first-child{border-top:1px solid var(--line)}
.workflow-list span{color:var(--accent);font-size:13px;font-weight:700}
.workflow-list h3{margin:0 0 9px;font-size:22px;font-weight:540;letter-spacing:-.025em}
.workflow-list p{margin:0;max-width:730px;color:var(--muted);line-height:1.7}
.compatibility{padding:96px 0 110px;display:grid;grid-template-columns:.7fr 1.3fr;gap:80px;border-top:1px solid var(--line)}
.compatibility-copy p{max-width:470px;margin:22px 0 0;color:var(--muted);line-height:1.7}
.format-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.format-grid>div{min-height:128px;padding:26px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);display:flex;flex-direction:column;justify-content:space-between}
.format-grid>div:nth-child(2),.format-grid>div:nth-child(3){background:var(--surface-2)}
.format-grid strong{font-size:17px;font-weight:540}
.format-grid span{color:var(--muted);font:12px ui-monospace,"SFMono-Regular",Menlo,monospace}
.privacy-callout{margin-bottom:110px;padding:64px;display:grid;grid-template-columns:132px 1fr;gap:48px;align-items:center;border:1px solid #295058;border-radius:var(--radius);background:linear-gradient(135deg,#0d1e23,var(--surface) 58%)}
.privacy-callout img{width:132px;height:132px;border-radius:28px}
.privacy-callout p{max-width:700px;margin:18px 0 20px;color:#aeb9bd;line-height:1.7}
.text-link{color:var(--accent);font-weight:650;text-decoration:none}
.text-link:hover{text-decoration:underline}
.footer{padding:36px 0 44px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr auto;gap:18px;color:var(--muted);font-size:13px}
.footer-brand{display:flex;align-items:baseline;gap:14px}
.footer-brand strong{color:var(--text);font-size:17px}
.footer-links{display:flex;gap:22px}
.footer-links a{text-decoration:none}
.footer-links a:hover{color:var(--text)}
.footer small{grid-column:1/-1;color:#687379}
.legal-main{padding-bottom:100px}
.legal-hero{max-width:900px;padding:90px 0 70px}
.legal-hero h1{font-size:clamp(46px,5vw,70px)}
.legal-hero>p:not(.eyebrow){max-width:660px;margin:24px 0 0;color:var(--muted);font-size:17px;line-height:1.75}
.legal-hero .button{margin-top:30px}
.support-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.support-grid article{padding:32px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
.support-grid h2,.support-section>h2,.support-contact h2,.privacy-article section h2{margin:0 0 14px;font-size:24px;font-weight:550;letter-spacing:-.03em}
.support-grid p,.support-contact p{margin:0;color:var(--muted);line-height:1.75}
.support-section{padding:84px 0;border-bottom:1px solid var(--line)}
.workflow-list.compact{margin-top:30px}
.faq details{border-top:1px solid var(--line);padding:0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{padding:22px 0;cursor:pointer;font-size:17px;font-weight:520;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";float:right;color:var(--accent);font:20px ui-monospace,"SFMono-Regular",Menlo,monospace}
.faq details[open] summary:after{content:"−"}
.faq details p{max-width:780px;margin:0 0 24px;color:var(--muted);line-height:1.75}
.shortcut-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:30px}
.shortcut-grid>div{padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);display:grid;gap:18px}
.shortcut-grid kbd{width:max-content;padding:5px 8px;border:1px solid #414b51;border-radius:6px;background:#20252a;color:var(--text);font:12px ui-monospace,"SFMono-Regular",Menlo,monospace}
.shortcut-grid span{color:var(--muted);font-size:13px}
.support-contact{padding:84px 0 0}
.support-contact p{max-width:700px;margin-bottom:18px}
.privacy-article{max-width:860px}
.privacy-article .legal-hero{padding-bottom:40px}
.effective-date{font:12px ui-monospace,"SFMono-Regular",Menlo,monospace!important;color:var(--accent)!important}
.privacy-summary{margin:0 0 30px;padding:26px 28px;border:1px solid #295058;border-radius:var(--radius);background:var(--accent-deep)}
.privacy-summary strong{display:block;margin-bottom:8px}
.privacy-summary p{margin:0;color:#b7c3c7;line-height:1.75}
.privacy-article section{padding:28px 0;border-bottom:1px solid var(--line)}
.privacy-article section p{margin:0;color:var(--muted);line-height:1.8}
.privacy-article section a{color:var(--accent)}
@media(max-width:900px){.hero{grid-template-columns:1fr;padding-top:54px}
.hero-mark{display:none}
.statement,.compatibility{grid-template-columns:1fr;gap:28px}
.feature-layout{grid-template-columns:1fr}
.feature-side{grid-template-columns:repeat(3,1fr);grid-template-rows:auto}
.privacy-callout{padding:42px}
.shortcut-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){.shell{width:min(calc(100% - 32px),var(--shell))}
.nav{height:66px}
.brand img{width:38px;height:38px}
.nav-links{gap:15px;font-size:12px}
.nav-links a:first-child{display:none}
.hero{padding:42px 0 64px}
.hero h1,.legal-hero h1{font-size:42px;line-height:1.05}
.hero-lead{font-size:16px}
.hero-actions{align-items:stretch}
.button{padding:0 15px}
.statement{padding:72px 0}
.statement h2,.section-heading h2,.compatibility h2,.privacy-callout h2{font-size:36px}
.feature-layout{padding-bottom:76px}
.feature-main{min-height:440px}
.feature-copy{padding:28px}
.feature-side{grid-template-columns:1fr}
.workflow{padding:72px 0}
.workflow-list{margin-top:34px}
.workflow-list article{grid-template-columns:1fr;gap:12px;padding:24px 0}
.compatibility{padding:72px 0}
.format-grid{grid-template-columns:1fr}
.privacy-callout{margin-bottom:72px;padding:28px;grid-template-columns:72px 1fr;gap:22px}
.privacy-callout img{width:72px;height:72px;border-radius:18px}
.privacy-callout h2{font-size:30px}
.footer{grid-template-columns:1fr}
.footer-links{flex-wrap:wrap}
.support-grid{grid-template-columns:1fr}
.legal-hero{padding:60px 0 50px}
.support-section{padding:64px 0}
.shortcut-grid{grid-template-columns:1fr}
.privacy-summary{padding:22px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
.button,.nav-links a{transition:none}
}
.global-hub-header{--hub-paper:#f3f4ee;--hub-ink:#111713;--hub-accent:#54db8a;position:absolute;z-index:80;top:0;left:0;width:100%;height:102px;pointer-events:none}
.global-hub-brand{position:absolute;top:13px;left:max(34px,calc((100vw - 1120px)/2));min-height:78px;display:inline-flex;align-items:center;gap:12px;color:#edf4ef;font-size:28px;font-weight:640;letter-spacing:-.035em;line-height:1;text-decoration:none;pointer-events:auto}
.global-hub-brand img{width:58px;height:58px;border-radius:15px;object-fit:cover}
.global-hub-nav{position:fixed;z-index:90;top:18px;left:50%;height:64px;padding:6px;display:flex;align-items:center;gap:4px;border:1px solid #d7dbd3;border-radius:999px;color:var(--hub-ink);background:rgba(243,244,238,.96);box-shadow:0 16px 48px rgba(0,0,0,.34);transform:translateX(-50%);pointer-events:auto;backdrop-filter:blur(14px)}
.global-hub-nav>a,.global-hub-nav summary{min-height:50px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-size:14px;font-weight:720;text-decoration:none;white-space:nowrap;cursor:pointer;list-style:none}
.global-hub-nav summary::-webkit-details-marker{display:none}
.global-hub-nav>a:hover,.global-hub-nav summary:hover{background:#e4e7df}
.global-hub-nav .global-hub-action{min-width:128px;color:#092014;background:var(--hub-accent)}
.global-hub-nav details{position:relative}
.global-hub-nav details>summary span{color:#268650;transition:transform .2s ease}
.global-hub-nav details[open]>summary span{transform:rotate(180deg)}
.global-hub-menu{position:absolute;top:70px;left:50%;width:386px;padding:18px;display:grid;gap:2px;border:1px solid #d7dbd3;border-radius:34px;color:var(--hub-ink);background:var(--hub-paper);box-shadow:0 30px 80px rgba(0,0,0,.42);transform:translateX(-50%)}
.global-hub-menu>a{min-height:72px;padding:9px 12px;display:grid;grid-template-columns:52px 1fr;align-items:center;gap:14px;border-radius:18px;text-decoration:none}
.global-hub-menu>a:hover{background:#e2e5dd}
.global-hub-menu img{width:50px;height:50px;border-radius:13px;object-fit:cover}
.global-hub-menu span{display:grid;gap:3px}
.global-hub-menu strong{font-size:17px}
.global-hub-menu small{color:#687169;font-size:13px}
.global-hub-support{position:absolute;top:26px;right:max(34px,calc((100vw - 1120px)/2));min-height:48px;padding:0 20px;display:inline-flex;align-items:center;gap:18px;border:1px solid #284a39;border-radius:999px;color:#d4dfd7;background:rgba(9,30,23,.92);font-size:13px;font-weight:680;text-decoration:none;pointer-events:auto}
.global-hub-header+main>.hero,.global-hub-header+main.legal-main{padding-top:150px}
@media(max-width:1080px){.global-hub-brand{left:22px}.global-hub-support{display:none}.global-hub-nav>a,.global-hub-nav summary{padding:0 16px}}
@media(max-width:800px){.global-hub-header{height:86px}.global-hub-brand{top:10px;left:14px;min-height:62px;gap:9px;font-size:21px}.global-hub-brand img{width:46px;height:46px;border-radius:12px}.global-hub-nav{top:16px;left:auto;right:14px;height:54px;transform:none}.global-hub-nav>a:not(.global-hub-action){display:none}.global-hub-nav .global-hub-action{min-width:96px;min-height:42px;padding:0 15px}.global-hub-nav .global-hub-action span{display:none}.global-hub-nav summary{min-height:42px;padding:0 15px}.global-hub-menu{position:fixed;top:78px;left:12px;width:calc(100vw - 24px);transform:none}}
.app-store-download{display:inline-flex;align-items:center;flex:0 0 auto;overflow:hidden;border-radius:8px;line-height:0;transition:transform .18s ease,filter .18s ease}.app-store-download img{display:block;width:auto;height:46px}.app-store-download:hover{transform:translateY(-1px);filter:brightness(1.04)}.app-store-download:active{transform:translateY(1px)}@media(max-width:640px){.hero-actions{flex-wrap:wrap}.app-store-download img{height:46px}}
