:root{
  --bg:#F2F4F7;--surface:#FFFFFF;--ink:#0F1B2D;--muted:#566173;--line:#DCE1E8;
  --brand:#1F4FFF;--brand-ink:#1636C9;--up:#0A9E6B;--down:#E0464E;
  --radius-lg:22px;--radius-sm:10px;
  --font:"Instrument Sans",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.6;font-feature-settings:"tnum" 1}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-ink)}
:focus-visible{outline:3px solid var(--brand);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-9999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:12px}
.wrap{width:min(1120px,100% - 40px);margin-inline:auto}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(242,244,247,.88);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;color:var(--ink);text-decoration:none;letter-spacing:-.01em}
.logo svg{width:30px;height:30px}
.nav{display:flex;gap:26px;align-items:center}
.nav a{color:var(--ink);text-decoration:none;font-size:15px;font-weight:500}
.nav a:hover{color:var(--brand-ink)}
.nav a.btn{padding:9px 16px;font-size:15px;color:#fff}
.nav a.btn:hover{color:#fff}
@media (max-width:720px){.nav a:not(.btn){display:none}}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--ink);color:#fff;text-decoration:none;font-weight:600;padding:14px 22px;border-radius:999px;border:0;font:inherit;font-weight:600;cursor:pointer}
.btn:hover{background:var(--brand-ink)}
.btn svg{width:20px;height:20px}
.btn-ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn-ghost:hover{background:var(--surface);color:var(--ink)}

/* hero */
.hero{padding:72px 0 56px}
.hero .wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(40px,6vw,68px);line-height:1.02;letter-spacing:-.035em;margin:0 0 22px;font-weight:700;max-width:14ch}
.hero p.lead{font-size:20px;color:var(--muted);margin:0 0 30px;max-width:36ch}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.free-note{margin-top:22px;font-size:15px;color:var(--muted);display:flex;gap:8px;align-items:center}
.free-note::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--up)}

.chart-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px 20px 12px;position:relative}
.chart-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}
.pair{font-weight:700;font-size:18px}
.pair small{display:block;font-weight:500;color:var(--muted);font-size:13px}
.price{font-size:28px;font-weight:700;letter-spacing:-.02em}
.chg{font-size:14px;font-weight:600;color:var(--up);margin-left:8px}
.tf{display:flex;gap:4px;margin:14px 0 6px}
.tf span{font-size:13px;font-weight:600;color:var(--muted);padding:4px 10px;border-radius:999px}
.tf span.on{background:var(--ink);color:#fff}
#heroChart{width:100%;height:auto;display:block}
.chart-card figcaption{font-size:12px;color:var(--muted);text-align:right;margin-top:4px}

/* sections */
section{padding:72px 0}
.section-title{font-size:clamp(30px,4vw,44px);line-height:1.08;letter-spacing:-.03em;margin:0 0 14px;font-weight:700;max-width:20ch}
.section-sub{color:var(--muted);font-size:19px;margin:0 0 40px;max-width:52ch}

/* screens */
.screens{display:flex;gap:28px;justify-content:center;align-items:flex-end;flex-wrap:wrap}
.device{width:min(240px,100%);aspect-ratio:600/1304;background:#0F1B2D;border-radius:42px;padding:9px;position:relative;flex:0 1 240px}
.device picture{display:block;height:100%}
.device img{width:100%;height:100%;object-fit:cover;border-radius:34px;background:#1B2230}
.device:nth-child(even){transform:translateY(28px)}
@media (max-width:1060px){.screens{flex-wrap:nowrap;overflow-x:auto;justify-content:flex-start;scroll-snap-type:x mandatory;padding:0 4px 40px;-webkit-overflow-scrolling:touch}.device{flex:0 0 220px;scroll-snap-align:center}.device:nth-child(even){transform:none}}
/* features */
.features{display:grid;grid-template-columns:repeat(2,1fr);gap:0;border-top:1px solid var(--line)}
.feature{padding:32px 32px 32px 0;border-bottom:1px solid var(--line)}
.feature:nth-child(even){padding:32px 0 32px 32px;border-left:1px solid var(--line)}
.feature h3{font-size:22px;margin:14px 0 8px;letter-spacing:-.015em}
.feature p{margin:0;color:var(--muted);max-width:42ch}
.feature svg{width:36px;height:36px}
@media (max-width:720px){.features{grid-template-columns:1fr}.feature,.feature:nth-child(even){padding:28px 0;border-left:0}}

/* free band */
.free-band{background:var(--ink);color:#fff;border-radius:var(--radius-lg);padding:56px;display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center}
.free-band h2{font-size:clamp(30px,4vw,44px);line-height:1.06;letter-spacing:-.03em;margin:0}
.free-band ul{list-style:none;margin:0;padding:0}
.free-band li{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.14);display:flex;gap:12px;align-items:center}
.free-band li:last-child{border-bottom:0}
.free-band li svg{flex:0 0 22px;width:22px;height:22px;color:#4ADE9C}
@media (max-width:860px){.free-band{grid-template-columns:1fr;padding:36px 24px}}

/* faq */
.faq{max-width:780px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:22px 40px 22px 0;font-weight:600;font-size:19px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:6px;top:50%;width:12px;height:12px;border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq details p{margin:0 0 22px;color:var(--muted);max-width:64ch}

/* cta */
.cta{text-align:center}
.cta .section-title,.cta .section-sub{margin-inline:auto}

/* footer */
.site-footer{border-top:1px solid var(--line);padding:40px 0 48px;font-size:15px;color:var(--muted)}
.site-footer .wrap{display:grid;grid-template-columns:1fr auto;gap:24px}
.site-footer nav{display:flex;gap:22px;flex-wrap:wrap}
.site-footer nav a{color:var(--ink);text-decoration:none;font-weight:500}
.site-footer nav a:hover{color:var(--brand-ink)}
.disclaimer{grid-column:1/-1;font-size:13px;max-width:90ch;margin:0}
@media (max-width:720px){.site-footer .wrap{grid-template-columns:1fr}}

/* legal pages */
.doc{padding:56px 0 80px}
.doc .wrap{max-width:760px}
.doc h1{font-size:clamp(36px,5vw,52px);letter-spacing:-.03em;line-height:1.05;margin:0 0 10px}
.doc .updated{color:var(--muted);margin:0 0 36px;font-size:15px}
.doc h2{color:var(--brand-ink);font-size:22px;letter-spacing:-.01em;margin:40px 0 10px}
.doc p,.doc li{max-width:68ch}
.doc ul{padding-left:22px}
.doc li{margin:6px 0}

/* support */
.support-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
@media (max-width:860px){.support-grid{grid-template-columns:1fr}}
.form{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px}
.form h2{margin-top:0;color:var(--ink)}
.field{margin-bottom:18px}
.field label{display:block;font-weight:600;font-size:15px;margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;font:inherit;font-size:16px;padding:12px 14px;border:1.5px solid var(--line);border-radius:var(--radius-sm);background:var(--bg);color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);background:#fff}
.field textarea{min-height:140px;resize:vertical}
.field .err{color:var(--down);font-size:14px;margin-top:6px;display:none}
.field.invalid input,.field.invalid textarea{border-color:var(--down)}
.field.invalid .err{display:block}
.form-status{margin-top:14px;font-size:15px;color:var(--up);font-weight:600;min-height:1.4em}
.contact-card{font-size:18px}
.contact-card a{font-weight:600}

/* 404 */
.notfound{min-height:70vh;display:grid;place-items:center;text-align:center;padding:60px 0}
.notfound .code{font-size:clamp(90px,18vw,180px);font-weight:700;letter-spacing:-.06em;line-height:1;color:var(--down);margin:0}
.notfound h1{font-size:30px;margin:10px 0}
.notfound p{color:var(--muted);margin:0 0 28px}

/* cookie banner */
.cookie{position:fixed;left:16px;right:16px;bottom:16px;z-index:90;max-width:560px;margin-inline:auto;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:18px 20px;box-shadow:0 18px 40px -18px rgba(15,27,45,.35);display:none}
.cookie.show{display:block}
.cookie p{margin:0 0 14px;font-size:15px}
.cookie .row{display:flex;gap:10px;flex-wrap:wrap}
.cookie .btn{padding:10px 18px;font-size:15px}

@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr;gap:40px}.hero{padding-top:48px}}