/* Landing-page styles. Colors and the shield mark follow the sharing tools. */
:root {
    color-scheme: dark;
    font: 16px/1.5 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: #edf3fa;
    background: #0d1420;
    --muted: #afc0d2;
    --blue: #a7c7ff;
    --border: #2a3b53;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; scrollbar-gutter: stable; }
body { margin: 0; min-width: 280px; background: radial-gradient(ellipse 70% 520px at 35% 0, #1a2c48 0, transparent 100%); }
body.modal-open { overflow: hidden; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, summary:focus-visible, code:focus-visible, video:focus-visible { outline: 3px solid #a7c7ff; outline-offset: 5px; }
::selection { background: #3977d580; color: #fff; }
h1, h2, h3, p { margin: 0; }
.page-width { width: min(1160px, calc(100% - 80px)); margin-inline: auto; }
.icon { width: 22px; height: 22px; flex-shrink: 0; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.small-icon { width: 16px; height: 16px; }
.icon-library { position: absolute; width: 0; height: 0; overflow: hidden; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 10; padding: 12px 18px; border-radius: 10px; background: #edf3fa; color: #0d1420; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 28px; min-height: 102px; border-bottom: 1px solid #afc0d21c; }
.brand { display: flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand-mark { display: grid; place-items: center; width: 44px; height: 46px; border: 1px solid #4a72ad; border-radius: 14px; background: linear-gradient(145deg, #326dcb, #1a417f); box-shadow: inset 0 1px 0 #ffffff1a, 0 6px 16px #06112660; color: #fff; }
.brand-mark .icon { width: 27px; height: 27px; }
.brand-name { font-size: 23px; line-height: 1.05; font-weight: 720; letter-spacing: -.8px; }
.brand-name > span:first-child { display: block; padding-bottom: 3px; color: #9bb8df; font-size: 9px; line-height: 1; font-weight: 700; letter-spacing: 3.2px; }
.header-nav { display: flex; align-items: center; gap: 32px; margin-left: auto; }
.nav-link, .header-social { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; color: #c3cfdf; font-size: 13px; font-weight: 550; transition: color .2s; }
.nav-link .icon { width: 16px; height: 16px; color: #9fb8dc; }
.nav-link:hover, .header-social:hover { color: #fff; }
.header-social { padding-left: 26px; border-left: 1px solid var(--border); }
.header-social > .icon:first-child { width: 20px; height: 20px; }
.hero { padding: 36px 0; }
.eyebrow { display: flex; align-items: center; gap: 9px; color: #a6b9d2; font-size: 10px; line-height: 1.5; font-weight: 650; letter-spacing: 1.9px; }
h1 { font-size: 28px; line-height: 1.4; font-weight: 550; letter-spacing: -.6px; }
.hero-benefits { display: flex; gap: 22px; flex-wrap: wrap; margin: 17px 0 0; padding: 0; list-style: none; }
.hero-benefits li { display: flex; align-items: center; gap: 7px; color: #d4deeb; font-size: 11px; }
.hero-benefits .icon { width: 14px; height: 14px; color: #81efce; stroke-width: 2; }
.tools-section { scroll-margin-top: 22px; }
.tools-section:focus { outline: none; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.section-heading h2 { font-size: 20px; font-weight: 560; letter-spacing: -.5px; }
.section-heading > span { color: #94a7bf; font-size: 12px; }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.feature-card { --accent: #a7c7ff; position: relative; isolation: isolate; display: flex; flex-direction: column; min-width: 0; overflow: hidden; border: 1px solid #31445f; border-radius: 22px; background: linear-gradient(135deg, #18263b, #142034); box-shadow: inset 0 1px 0 #e0edff0b, 0 8px 24px #03091420; transition: transform .25s, border-color .25s, box-shadow .25s; }
.transfer-card { --accent: #8ce2cc; }
.call-card { --accent: #c4b5f6; }
.extension-card { --accent: #eed2a1; }
.feature-art { position: relative; aspect-ratio: 560 / 230; overflow: hidden; background: #122036; }
.feature-category { position: absolute; z-index: 1; top: 23px; left: 26px; display: flex; align-items: center; gap: 11px; color: var(--accent); font-size: 9px; font-weight: 650; letter-spacing: 1.65px; }
.feature-corner { position: absolute; z-index: 1; right: 26px; top: 20px; width: 22px; height: 22px; color: #8aa2c0; transition: transform .25s, color .25s; }
.feature-art img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.feature-body { display: flex; flex-direction: column; flex: 1; padding: 23px 28px 25px; border-top: 1px solid #93b3df10; }
.feature-body h3 { font-size: clamp(21px, 2.05vw, 26px); line-height: 1.25; font-weight: 620; letter-spacing: -.75px; }
.feature-body > p { max-width: 440px; margin-top: 10px; color: #afc0d2; font-size: 13px; line-height: 1.75; }
.feature-actions { display: flex; align-items: center; gap: 18px; justify-content: space-between; margin-top: auto; padding-top: 23px; }
.feature-link { display: inline-flex; align-items: center; gap: 24px; min-height: 44px; padding: 10px 17px; border: 1px solid #4e6c944f; border-radius: 10px; background: #284364; color: #e8f0ff; font-size: 12px; font-weight: 600; transition: background .2s, border-color .2s; }
.sharing-card .feature-link { border-color: #5d97ed80; background: #346dc3; }
.feature-link::after { content: ""; position: absolute; inset: 0; z-index: 1; border-radius: 22px; }
.feature-link > .icon { width: 18px; height: 18px; }
.feature-link:focus-visible { outline: none; }
.feature-card:has(.feature-link:focus-visible) { outline: 3px solid #a7c7ff; outline-offset: 5px; }
.demo-link { position: relative; z-index: 2; display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; gap: 7px; min-height: 44px; padding: 8px 2px 8px 8px; color: #bacbe0; font-size: 11px; font-weight: 550; transition: color .2s; }
.demo-link .icon { width: 16px; height: 16px; }
.demo-link:hover { color: #fff; }
.toolkit-note { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 25px; color: #92a6c1; font-size: 11px; }
.toolkit-note .icon { width: 14px; height: 14px; color: #83aef2; }
.support-section { position: relative; margin-top: 54px; padding: 30px; border: 1px solid #344055; border-radius: 18px; background: radial-gradient(ellipse at 5% 0, #24304a 0, transparent 60%), #141e2f; }
.support-intro { display: flex; align-items: center; gap: 22px; padding-right: 175px; }
.support-icon { display: grid; place-items: center; flex-shrink: 0; width: 62px; height: 62px; border: 1px solid #6d66965c; border-radius: 19px; color: #c3b8ef; background: #302e4966; }
.support-icon .icon { width: 26px; height: 26px; stroke-width: 1.5; }
.support-intro .eyebrow { color: #b3aecb; font-size: 8px; letter-spacing: 1.7px; }
.support-intro h2 { margin-top: 6px; font-size: 23px; line-height: 1.3; font-weight: 550; letter-spacing: -.6px; }
.support-intro p:last-child { margin-top: 8px; color: #aebbd0; font-size: 12px; line-height: 1.6; }
.donation-details > summary { position: absolute; right: 30px; top: 50px; display: inline-flex; align-items: center; justify-content: center; gap: 16px; min-height: 44px; padding: 10px 17px; border: 1px solid #57617c; border-radius: 10px; color: #e0dbee; font-size: 12px; font-weight: 600; list-style: none; cursor: pointer; transition: background .2s, border-color .2s; }
.donation-details > summary::-webkit-details-marker { display: none; }
.donation-details > summary::marker { content: ""; }
.donation-details > summary:hover { background: #333b54; border-color: #a198ba; }
.donation-details > summary .icon { width: 16px; height: 16px; transition: transform .2s; }
.donation-details[open] > summary .icon { transform: rotate(180deg); }
.donation-panel { margin-top: 25px; padding-top: 24px; border-top: 1px solid #344055; }
.donation-hint { margin-bottom: 18px; color: #b8c6d9; font-size: 12px; }
.wallet-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.wallet { min-width: 0; padding: 16px; border: 1px solid #34445d; border-radius: 12px; background: #0d1726; }
.wallet-heading { display: flex; align-items: center; gap: 10px; }
.currency-icon { display: grid; place-items: center; flex: 0 0 30px; height: 30px; border-radius: 50%; font-size: 18px; }
.bitcoin { color: #f4c27d; background: #f4c27d17; }
.ethereum { color: #b5c5f3; background: #b5c5f317; }
.usdt { color: #85d8b9; background: #85d8b917; }
.wallet-heading strong { display: block; font-size: 12px; font-weight: 600; }
.wallet-heading small { display: block; margin-top: 2px; color: #9dacc2; font-size: 9px; }
.copy-button { display: flex; align-items: center; justify-content: center; gap: 5px; min-width: 44px; min-height: 44px; margin-left: auto; padding: 8px; border: 1px solid transparent; border-radius: 8px; background: transparent; color: #b9cbe3; font-size: 10px; }
.copy-button:hover { background: #23344e; border-color: #3c5577; color: #fff; }
.copy-button .icon { width: 15px; height: 15px; }
.copy-button.is-copied { color: #81efce; }
.wallet-address { display: block; margin-top: 12px; color: #acbdd3; font: 10px/1.8 ui-monospace, SFMono-Regular, Menlo, monospace; overflow-wrap: anywhere; user-select: all; }
.copy-status { min-height: 18px; margin-top: 12px; color: #81efce; font-size: 12px; }
.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 25px; margin-top: 38px; padding: 26px 0 35px; border-top: 1px solid #afc0d21c; }
.footer-brand { display: inline-block; font-size: 14px; font-weight: 650; letter-spacing: -.35px; }
.footer-copy p { margin-top: 5px; color: #94a7bf; font-size: 10px; }
.footer-links { display: flex; align-items: center; gap: 27px; }
.footer-links a { display: inline-flex; align-items: center; gap: 7px; min-height: 44px; color: #a7b6cb; font-size: 11px; transition: color .2s; }
.footer-links a:hover { color: #edf3fa; }
.footer-links .icon { width: 16px; height: 16px; }
.demo-dialog { width: min(900px, calc(100% - 40px)); max-height: calc(100dvh - 40px); margin: auto; padding: 0; overflow: auto; overscroll-behavior: contain; border: 1px solid #567196; border-radius: 20px; background: #142035; color: #edf3fa; box-shadow: 0 35px 100px #0009; }
.demo-dialog::backdrop { background: #050c17dc; backdrop-filter: blur(8px); }
.demo-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 22px 26px; }
.demo-heading .eyebrow { font-size: 9px; color: #9ebbea; }
.demo-heading h2 { margin-top: 5px; font-size: 24px; font-weight: 550; letter-spacing: -.5px; }
.dialog-close { display: grid; place-items: center; flex: 0 0 44px; height: 44px; border: 1px solid #3d5576; border-radius: 12px; background: #1e3049; color: #d6e4f8; }
.dialog-close:hover { background: #314968; }
.demo-player { background: #070d17; }
.demo-player video { display: block; width: 100%; max-height: 62dvh; aspect-ratio: 16 / 9; object-fit: contain; }
.video-error { padding: 20px; color: #d9c1c1; text-align: center; font-size: 14px; }
.retry-button { min-height: 44px; margin-top: 12px; padding: 8px 16px; border: 1px solid #4a72ad; border-radius: 8px; background: #284364; color: #e8f0ff; }
.demo-footer { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 18px 26px; }
.demo-footer a { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; font-size: 12px; }
.demo-footer .icon { width: 17px; height: 17px; }
#video-direct-link { color: #adbed6; }
.demo-feature-link { padding: 10px 16px; border-radius: 9px; background: #346dc3; color: #fff; font-weight: 600; }
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
    .feature-card:hover { transform: translateY(-4px); border-color: #668bbd; box-shadow: 0 16px 40px #03091466; }
    .feature-card:hover .feature-corner { transform: translate(2px, -2px); color: var(--accent); }
    .feature-card:hover .feature-art img { transform: scale(1.025); }
    .feature-link:hover { background: #355784; border-color: #7597c6; }
    .sharing-card .feature-link:hover { background: #3e7ad4; }
}
@media (max-width: 1000px) {
    .page-width { width: calc(100% - 48px); }
    .hero { padding: 32px 0; }
    .hero-benefits { gap: 10px 18px; }
    .feature-body { padding: 22px; }
    .feature-actions { gap: 12px; }
    .feature-link { gap: 14px; padding-inline: 13px; }
    .feature-category { left: 22px; }
    .support-intro { gap: 16px; padding-right: 140px; }
    .support-icon { width: 48px; height: 48px; border-radius: 15px; }
    .support-intro h2 { font-size: 20px; }
    .wallet-list { grid-template-columns: 1fr; }
    .wallet-address { font-size: 12px; }
    .wallet-heading strong { font-size: 14px; }
    .wallet-heading small { font-size: 11px; }
}
@media (max-width: 700px) {
    html { scroll-padding-top: 16px; }
    .page-width { width: calc(100% - 36px); }
    .site-header { min-height: 82px; gap: 16px; }
    .brand-mark { width: 37px; height: 39px; border-radius: 12px; }
    .brand-mark .icon { width: 24px; height: 24px; }
    .brand-name { font-size: 21px; }
    .brand-name > span:first-child { font-size: 8px; letter-spacing: 2.8px; }
    .header-social { display: none; }
    .header-nav { gap: 20px; }
    .nav-link { font-size: 12px; }
    .nav-link .icon { display: none; }
    .hero { padding: 30px 0; }
    h1 { font-size: 24px; }
    .hero-benefits { margin-top: 17px; gap: 24px; }
    .hero-benefits li { font-size: 11px; }
    .section-heading { margin-bottom: 18px; }
    .section-heading h2 { font-size: 19px; }
    .section-heading > span { display: none; }
    .feature-grid { grid-template-columns: 1fr; gap: 18px; }
    .feature-art { aspect-ratio: 560 / 225; }
    .feature-body { padding: 23px; }
    .feature-body h3 { font-size: 25px; }
    .feature-body > p { font-size: 13px; }
    .feature-actions { padding-top: 21px; }
    .feature-link { gap: 22px; padding-inline: 16px; font-size: 12px; }
    .demo-link { font-size: 12px; }
    .toolkit-note { margin-top: 22px; font-size: 10px; }
    .support-section { margin-top: 36px; padding: 24px; }
    .support-intro { align-items: flex-start; gap: 14px; padding-right: 0; }
    .support-icon { width: 38px; height: 38px; border-radius: 12px; }
    .support-icon .icon { width: 20px; height: 20px; }
    .support-intro .eyebrow { font-size: 7px; letter-spacing: 1.25px; }
    .support-intro h2 { font-size: 22px; }
    .support-intro p:last-child { font-size: 12px; }
    .donation-details > summary { position: static; width: 100%; margin-top: 23px; justify-content: space-between; }
    .donation-panel { margin-top: 22px; padding-top: 20px; }
    .site-footer { align-items: flex-start; margin-top: 28px; padding: 24px 0 28px; }
    .footer-links { flex-wrap: wrap; justify-content: flex-end; gap: 3px 20px; max-width: 220px; }
    .footer-links a { min-height: 36px; font-size: 10px; }
    .demo-dialog { width: calc(100% - 24px); max-height: calc(100dvh - 24px); border-radius: 16px; }
    .demo-heading, .demo-footer { padding: 18px; }
    .demo-heading h2 { font-size: 21px; }
    .demo-footer { gap: 14px; }
}
@media (max-width: 380px) {
    .page-width { width: calc(100% - 28px); }
    .header-nav { gap: 13px; }
    .nav-link { font-size: 10px; }
    .brand { gap: 8px; }
    .brand-name { font-size: 19px; }
    h1 { font-size: 22px; }
    .feature-body { padding: 20px 18px; }
    .feature-body h3 { font-size: 22px; }
    .feature-category { top: 16px; left: 18px; font-size: 8px; letter-spacing: 1.2px; }
    .feature-corner { top: 14px; right: 18px; width: 18px; height: 18px; }
    .feature-link { gap: 10px; padding-inline: 11px; font-size: 11px; }
    .demo-link { gap: 5px; font-size: 10px; }
    .support-section { padding: 20px 18px; }
    .support-icon { display: none; }
    .site-footer { flex-direction: column; gap: 10px; }
    .footer-links { justify-content: flex-start; max-width: none; gap: 18px; }
    .demo-footer a { font-size: 11px; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition: none !important; animation: none !important; }
}
@media (forced-colors: active) {
    .brand-mark, .feature-card, .feature-link, .donation-details > summary, .wallet, .demo-dialog { border: 1px solid ButtonText; }
    .feature-link:focus-visible { outline: 3px solid Highlight; }
}