:root {
  color-scheme: light;
  --blue: #566776;
  --blue-hover: #414f59;
  --blue-bright: #7d8a93;
  --blue-soft: #f1f3f4;
  --blue-soft-2: #f7f8f9;
  --ink: #20262b;
  --text: #41484d;
  --muted: #626a70;
  --subtle: #777f84;
  --line: #e7e9eb;
  --line-strong: #ccd1d4;
  --surface: #ffffff;
  --surface-muted: #f8f8f8;
  --surface-blue: #f7f8f9;
  --positive: #25875a;
  --warning: #8a5d12;
  --wrap: 1160px;
  --radius: 6px;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body { margin: 0; min-width: 320px; padding-bottom: 0; background: var(--surface); color: var(--ink); font-size: 16px; line-height: 1.7; }
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
img { display: block; max-width: 100%; }
figure { margin: 0; }
::selection { background: #e8ebed; color: var(--ink); }
:focus-visible { outline: 3px solid #68737a; outline-offset: 3px; }
.wrap { width: min(var(--wrap), calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: absolute; z-index: 1000; top: -100px; left: 16px; padding: 10px 16px; border-radius: 8px; background: var(--blue); color: #fff; }
.skip-link:focus { top: 12px; }

.site-header { position: sticky; z-index: 50; top: 0; border-bottom: 1px solid var(--line); background: #fff; }
.nav-shell { display: flex; height: 76px; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; flex: 0 0 auto; align-items: center; gap: 10px; }
.brand img { width: 42px; height: 42px; border: 1px solid rgba(23, 33, 43, .08); border-radius: 11px; object-fit: cover; }
.brand-word { display: grid; line-height: 1.12; }
.brand-word strong { font-size: 17px; font-weight: 750; letter-spacing: -.04em; }
.brand-word small { margin-top: 5px; color: var(--subtle); font-size: 9px; letter-spacing: .12em; }
.site-nav { display: flex; align-items: center; gap: 26px; }
.site-nav a { position: relative; padding: 9px 0; color: var(--muted); font-size: 14px; transition: color .16s ease; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--blue); }
.site-nav a[aria-current="page"]::after { position: absolute; right: 0; bottom: 0; left: 0; height: 2px; background: var(--blue); content: ""; }
.nav-cta { display: inline-flex; min-height: 40px; flex: 0 0 auto; align-items: center; justify-content: center; gap: 8px; padding: 0 14px; border: 1px solid var(--blue); border-radius: 9px; color: var(--blue); font-size: 13px; font-weight: 650; transition: background .16s ease, color .16s ease; }
.nav-cta:hover { background: var(--blue); color: #fff; }
.nav-cta .arrow, .arrow { color: inherit; }
.language-switch { display: inline-flex; min-width: 42px; min-height: 38px; flex: 0 0 auto; align-items: center; justify-content: center; padding: 0 9px; border: 1px solid var(--line-strong); border-radius: 9px; color: var(--blue); font-size: 12px; font-weight: 700; transition: border-color .16s ease, background .16s ease; }
.language-switch:hover { border-color: var(--blue); background: var(--blue-soft-2); }
.language-option { color: var(--blue); font-weight: 650; }
.menu-toggle { display: none; }

h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: var(--ink); letter-spacing: -.035em; }
h1 { font-size: clamp(38px, 5.5vw, 66px); font-weight: 750; line-height: 1.12; }
h2 { font-size: clamp(28px, 3.8vw, 42px); font-weight: 720; line-height: 1.22; }
h3 { font-size: 19px; font-weight: 680; line-height: 1.4; }
.lead { max-width: 650px; color: var(--muted); font-size: clamp(16px, 1.65vw, 18px); line-height: 1.85; }
.muted { color: var(--muted); }
.eyebrow, .section-kicker { color: var(--blue); font-size: 11px; font-weight: 700; letter-spacing: .11em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 9px; }
.eyebrow::before { width: 18px; height: 2px; background: var(--blue-bright); content: ""; }
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--positive); }
.section-kicker { margin-bottom: 12px; }
.section-head { max-width: 760px; }
.section-head h2 { margin-bottom: 14px; }
.section-head p { max-width: 630px; color: var(--muted); font-size: 16px; line-height: 1.8; }
.btn-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 26px; }
.btn { display: inline-flex; min-height: 46px; align-items: center; justify-content: center; gap: 10px; padding: 0 17px; border: 1px solid transparent; border-radius: 9px; font-size: 14px; font-weight: 650; transition: background .16s ease, border-color .16s ease, color .16s ease, transform .16s ease; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { border-color: var(--blue); background: var(--blue); color: #fff; }
.btn-primary:hover { border-color: var(--blue-hover); background: var(--blue-hover); }
.btn-quiet { border-color: var(--line-strong); background: #fff; color: var(--blue); }
.btn-quiet:hover { border-color: var(--blue); background: var(--blue-soft-2); }
.btn-arrow { font-size: 16px; }

.hero-home { position: relative; padding: 54px 0 38px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(300px, .8fr); align-items: center; gap: 54px; }
.hero-copy { position: relative; z-index: 1; padding: 22px 0; }
.hero-copy h1 { max-width: 630px; margin: 18px 0 8px; }
.hero-copy h1 em { color: var(--blue); font-style: normal; }
.hero-subtitle { margin: 0 0 15px; color: var(--subtle); font-size: 15px; letter-spacing: .015em; }
.hero-copy .lead { max-width: 590px; margin-bottom: 0; }
.download-actions { display: flex; flex-wrap: wrap; align-items: stretch; gap: 10px; margin-top: 23px; }
.store-badge { display: grid; min-width: 170px; min-height: 79px; align-content: center; gap: 1px; padding: 10px 15px; border: 1px solid var(--line-strong); border-radius: 10px; background: #fff; }
.store-badge-link { border-color: var(--blue); background: var(--blue); color: #fff; transition: background .16s ease, border-color .16s ease; }
.store-badge-link:hover { border-color: var(--blue-hover); background: var(--blue-hover); }
.store-platform { color: inherit; font-size: 10px; opacity: .84; }
.store-badge strong { font-size: 17px; line-height: 1.35; }
.store-caption { display: flex; align-items: center; justify-content: space-between; gap: 10px; color: inherit; font-size: 11px; opacity: .92; }
.store-badge-pending { border-color: var(--line); background: var(--surface-muted); color: var(--muted); }
.download-note { max-width: 480px; margin: 9px 0 0; color: var(--subtle); font-size: 11px; line-height: 1.6; }
.hero-note { display: flex; align-items: center; gap: 8px; margin: 18px 0 0; color: var(--muted); font-size: 12px; }
.lock-dot { display: grid; width: 21px; height: 21px; flex: 0 0 auto; place-items: center; border-radius: 50%; background: var(--blue-soft); color: var(--blue); font-size: 12px; }
.hero-visual { position: relative; display: grid; min-height: 455px; place-items: center; }
.scene-glow, .orbit { display: none; }
.hero-phone { position: relative; z-index: 1; width: min(100%, 276px); padding: 6px; overflow: hidden; border: 1px solid var(--line-strong); border-radius: 27px; background: #fff; }
.hero-phone img { width: 100%; height: auto; border-radius: 21px; }
.scene-caption { position: absolute; right: 4px; bottom: 28px; display: grid; gap: 1px; padding: 10px 13px; border: 1px solid var(--line); border-radius: 9px; background: #fff; color: var(--muted); font-size: 11px; }
.scene-caption strong { color: var(--ink); font-size: 12px; }
.scene-caption span { color: var(--blue); }




.home-section { padding: 74px 0; }
.split-layout { display: grid; grid-template-columns: minmax(240px, .78fr) minmax(0, 1.22fr); align-items: start; gap: 72px; }
.sticky-copy { position: sticky; top: 108px; }
.sticky-copy h2 { margin-bottom: 13px; }
.principle-list { border-top: 1px solid var(--line); }
.principle { display: grid; grid-template-columns: 38px minmax(0, 1fr) 20px; align-items: start; gap: 14px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.principle-num { color: var(--blue); font-size: 12px; font-weight: 700; }
.principle h3 { margin: 0 0 5px; font-size: 17px; }
.principle p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
.principle .plus { color: var(--blue); font-size: 17px; }
.feature-shelf { padding: 72px 0 78px; background: var(--surface-muted); }
.feature-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; margin-top: 30px; }
.feature-card { position: relative; min-height: 220px; padding: 19px 17px; border: 1px solid var(--line); border-radius: 12px; background: #fff; transition: border-color .16s ease, background .16s ease; }
.feature-card:hover { border-color: #e7e9eb; background: #f8f8f8; }
.feature-icon { display: grid; width: 34px; height: 34px; margin-bottom: 19px; place-items: center; border-radius: 50%; background: var(--blue-soft); color: var(--blue); font-size: 12px; font-weight: 750; }
.feature-card h3 { margin: 0 0 8px; font-size: 15px; }
.feature-card p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.75; }
.card-arrow { position: absolute; top: 18px; right: 17px; color: var(--blue); font-size: 14px; }
.device-showcase { padding: 74px 0; }
.device-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(240px, .7fr); align-items: center; gap: 55px; padding: 30px 0; border: 0; border-block: 1px solid var(--line); border-radius: 0; background: #fff; }
.device-copy h2 { max-width: 580px; margin-bottom: 14px; }
.device-copy p { max-width: 600px; color: var(--muted); line-height: 1.85; }
.device-screen { display: grid; justify-items: center; gap: 10px; }
.device-screen-frame { width: min(100%, 195px); padding: 0; border: 0; border-radius: 0; background: transparent; }
.device-screen-frame img { width: 100%; height: auto; border-radius: 4px; }
.device-screen figcaption { color: var(--subtle); font-size: 11px; text-align: center; }
.privacy-band { padding: 4px 0 4px 20px; border: 0; border-left: 2px solid var(--blue); border-radius: 0; background: transparent; }
.privacy-band h2 { max-width: 640px; margin-bottom: 12px; }
.privacy-band p { max-width: 660px; margin-bottom: 0; color: var(--muted); }
.privacy-band .btn-row { margin-top: 20px; }
.cta-section { padding: 56px 0 82px; }
.cta-card { display: flex; align-items: center; justify-content: space-between; gap: 35px; padding: 28px 0; border: 0; border-block: 1px solid var(--line); border-radius: 0; background: #fff; }
.cta-card h2 { max-width: 620px; margin: 0; font-size: clamp(27px, 3.5vw, 38px); }
.cta-card p { margin: 9px 0 0; color: var(--muted); }
.cta-card .btn { flex: 0 0 auto; }
.cta-download { flex-wrap: wrap; }
.download-actions-final { margin: 0; }
.download-note-final { flex-basis: 100%; margin: -20px 0 0; }

.page-hero { padding: 49px 0 42px; border-bottom: 1px solid var(--line); background: var(--surface-muted); }
.page-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) 150px; align-items: center; gap: 40px; }
.page-hero h1 { max-width: 820px; margin: 14px 0 12px; font-size: clamp(38px, 5.4vw, 61px); }
.page-hero .lead { max-width: 720px; margin-bottom: 0; }
.page-mark { position: relative; display: grid; width: 126px; height: 126px; justify-self: end; place-items: center; border-radius: 50%; background: var(--blue-soft); color: var(--blue); font-size: 10px; font-weight: 700; letter-spacing: .07em; text-align: center; }
.page-mark::before { position: absolute; inset: 9px; border: 1px solid #e7e9eb; border-radius: 50%; content: ""; }
.page-mark span { position: relative; }
.page-body { padding: 54px 0 78px; }
.content-narrow { max-width: 900px; }
.section-divider { margin: 42px 0; border: 0; border-top: 1px solid var(--line); }
.about-intro { display: grid; grid-template-columns: minmax(210px, .7fr) minmax(0, 1.3fr); align-items: start; gap: 55px; }
.about-pull { color: var(--blue); font-size: 23px; font-weight: 650; line-height: 1.55; }
.body-copy { color: var(--text); font-size: 15px; line-height: 1.9; }
.body-copy p { margin: 0 0 16px; }
.values-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 27px; }
.value-card { padding: 18px; border: 1px solid var(--line); border-radius: 11px; background: #fff; }
.value-card small { display: block; margin-bottom: 13px; color: var(--blue); font-size: 10px; font-weight: 700; }
.value-card strong { display: block; margin-bottom: 6px; font-size: 15px; }
.value-card p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.75; }
.capability-list { display: grid; gap: 10px; }
.capability { display: grid; grid-template-columns: 44px minmax(0, 1fr) minmax(150px, .4fr); align-items: center; gap: 18px; padding: 20px 18px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.capability-index { color: var(--blue); font-size: 13px; font-weight: 750; }
.capability h2 { margin: 0 0 7px; font-size: 19px; }
.capability p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.capability-tag { justify-self: end; color: var(--muted); font-size: 11px; text-align: right; }
.capability-tag span { display: inline-block; padding: 6px 9px; border: 1px solid var(--line); border-radius: 999px; }
.capability-note { margin-top: 18px; padding: 14px 16px; border-left: 3px solid var(--blue-bright); background: var(--blue-soft-2); color: var(--text); font-size: 13px; line-height: 1.8; }

.screen-showcase { padding: 54px 0 48px; border-bottom: 1px solid var(--line); background: var(--surface-muted); }
.screen-gallery { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-top: 26px; }
.screen-card { display: grid; align-content: start; justify-items: center; gap: 10px; padding: 14px 12px 13px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.screen-phone { width: min(100%, 200px); padding: 4px; overflow: hidden; border: 1px solid var(--line-strong); border-radius: 19px; background: #fff; }
.screen-phone img { width: 100%; height: auto; border-radius: 15px; }
.screen-card figcaption { display: grid; gap: 2px; text-align: center; }
.screen-card figcaption strong { font-size: 13px; }
.screen-card figcaption span { color: var(--muted); font-size: 11px; }
.screens-note { margin: 14px 0 0; color: var(--subtle); font-size: 11px; line-height: 1.7; }

.contact-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .92fr); align-items: start; gap: 44px; }
.contact-list { display: grid; gap: 9px; }
.contact-card { display: grid; grid-template-columns: 42px minmax(0, 1fr) auto; align-items: center; gap: 12px; padding: 15px; border: 1px solid var(--line); border-radius: 11px; background: #fff; transition: border-color .16s ease, background .16s ease; }
.contact-card:hover { border-color: #e7e9eb; background: #f8f8f8; }
.contact-icon { display: grid; width: 38px; height: 38px; place-items: center; border-radius: 50%; background: var(--blue-soft); color: var(--blue); font-weight: 700; }
.contact-card strong { display: block; font-size: 13px; }
.contact-card small { display: block; margin-top: 2px; color: var(--muted); font-size: 11px; }
.contact-card .contact-value { color: var(--blue); font-size: 12px; }
.contact-form { padding: 22px; border: 1px solid var(--line); border-radius: 13px; background: #fff; }
.contact-form h2 { margin-bottom: 7px; font-size: 24px; }
.contact-form > p { margin-bottom: 18px; color: var(--muted); font-size: 13px; }
.field { display: grid; gap: 6px; margin-bottom: 13px; }
.field label { color: var(--text); font-size: 12px; font-weight: 600; }
.field input, .field textarea { width: 100%; padding: 11px 12px; border: 1px solid var(--line-strong); border-radius: 8px; outline: none; background: #fff; color: var(--ink); font-size: 14px; }
.field input:focus, .field textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 2px rgba(32, 38, 43, .06); }
.field textarea { min-height: 108px; resize: vertical; }
.field input::placeholder, .field textarea::placeholder { color: #667580; opacity: 1; }
.form-footnote { margin: 12px 0 0; color: var(--muted); font-size: 11px; line-height: 1.65; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 17px 0; list-style: none; cursor: pointer; font-size: 15px; font-weight: 650; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { color: var(--blue); font-size: 20px; font-weight: 400; content: "+"; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 780px; margin: 0; padding: 0 32px 18px 0; color: var(--muted); font-size: 13px; line-height: 1.85; }
.faq-list a, .policy-content a { color: var(--blue); text-decoration: underline; text-decoration-color: #e7e9eb; text-underline-offset: 3px; }
.faq-list a:hover, .policy-content a:hover { color: var(--blue-hover); }

.policy-meta { display: flex; flex-wrap: wrap; gap: 12px 20px; margin-bottom: 18px; color: var(--muted); font-size: 12px; }
.policy-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); align-items: start; gap: 28px; }
.policy-toc { position: sticky; top: 94px; padding: 16px 14px; border: 1px solid var(--line); border-radius: 11px; background: var(--surface-muted); }
.policy-toc > strong { display: block; margin-bottom: 9px; font-size: 13px; }
.policy-toc nav { display: grid; gap: 2px; }
.policy-toc a { display: block; padding: 6px 7px; border-radius: 6px; color: var(--muted); font-size: 11px; line-height: 1.5; }
.policy-toc a:hover { background: #f1f3f4; color: var(--blue); }
.policy-content { min-width: 0; padding: 24px 28px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.policy-content h2 { margin: 30px 0 8px; font-size: 18px; letter-spacing: -.02em; scroll-margin-top: 95px; }
.policy-content h2:first-of-type { margin-top: 0; }
.policy-content p, .policy-content li { color: var(--text); font-size: 14px; line-height: 1.9; }
.policy-content p { margin: 0 0 13px; }
.policy-content li { margin: 6px 0; }
.policy-content ul, .policy-content ol { padding-left: 22px; }
.notice, .policy-warning { padding: 14px 16px; border: 1px solid #f1dbab; border-radius: 9px; background: #fff9e9; color: #634812; font-size: 13px; line-height: 1.75; }

.demo-layout { display: grid; grid-template-columns: minmax(0, .75fr) minmax(0, 1.25fr); align-items: start; gap: 36px; }
.demo-copy h2 { font-size: 31px; }
.demo-copy p { color: var(--text); font-size: 14px; line-height: 1.85; }
.demo-card { padding: 20px; border: 1px solid var(--line); border-radius: 13px; background: #fff; }
.demo-top { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding-bottom: 13px; border-bottom: 1px solid var(--line); }
.demo-top strong { font-size: 13px; }
.demo-label { color: var(--blue); font-size: 10px; font-weight: 700; letter-spacing: .08em; }
.demo-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin: 16px 0; }
.demo-step { padding: 11px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface-muted); opacity: .7; transition: opacity .16s ease, border-color .16s ease, background .16s ease; }
.demo-step.is-active { border-color: #ccd1d4; background: var(--blue-soft); opacity: 1; }
.demo-step small { display: block; margin-bottom: 8px; color: var(--subtle); font-size: 9px; }
.demo-step strong { font-size: 12px; }
.demo-message { min-height: 86px; padding: 14px; border: 1px solid var(--line); border-radius: 9px; background: var(--surface-muted); }
.demo-message small { display: block; margin-bottom: 8px; color: var(--muted); font-size: 9px; letter-spacing: .08em; }
.demo-message p { margin: 0; color: var(--ink); font-size: 13px; overflow-wrap: anywhere; }
.demo-actions { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 14px; }
.demo-status { color: var(--muted); font-size: 11px; }
.demo-disclaimer { margin: 14px 0 0; padding-top: 12px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; line-height: 1.7; }
.is-running .demo-step.is-active { border-color: var(--blue-bright); }

.site-footer { border-top: 1px solid var(--line); background: var(--surface-muted); }
.footer-main { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(130px, .7fr) minmax(130px, .7fr); gap: 38px; padding: 34px 0 26px; }
.footer-brand p { max-width: 300px; margin: 12px 0 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
.contact-mini { display: inline-flex; align-items: center; gap: 7px; margin-top: 12px; color: var(--blue); font-size: 12px; }
.footer-col strong { display: block; margin-bottom: 9px; font-size: 12px; }
.footer-col a { display: block; width: max-content; max-width: 100%; margin: 6px 0; color: var(--muted); font-size: 12px; transition: color .16s ease; }
.footer-col a:hover, .footer-bottom a:hover { color: var(--blue); }
.footer-bottom { display: flex; justify-content: space-between; gap: 18px; padding: 13px 0 17px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.footer-bottom-links { display: flex; flex-wrap: wrap; gap: 16px; }

.mobile-more-menu { display: none; }

@media (max-width: 1020px) {
  .site-nav { gap: 17px; }
  .site-nav a { font-size: 13px; }
  .feature-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .hero-grid { gap: 32px; }
  .split-layout { gap: 42px; }
  .contact-layout { gap: 28px; }
  .policy-layout { grid-template-columns: 190px minmax(0, 1fr); gap: 18px; }
}

@media (max-width: 760px) {
  html { scroll-padding-top: 72px; }

  .wrap { width: min(var(--wrap), calc(100% - 34px)); }
  .nav-shell { height: 62px; gap: 14px; }
  .brand img { width: 37px; height: 37px; border-radius: 9px; }
  .brand { gap: 8px; }
  .brand-word strong { font-size: 16px; }
  .brand-word small { font-size: 8px; }
  .site-nav, .nav-cta, .language-switch { display: none; }
  .hero-home { padding: 34px 0 24px; }
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .hero-copy { padding: 8px 0 0; }
  .hero-copy h1 { margin: 13px 0 5px; font-size: clamp(38px, 10vw, 52px); }
  .hero-subtitle { margin-bottom: 10px; font-size: 13px; }
  .hero-copy .lead { font-size: 15px; }
  .download-actions { gap: 8px; margin-top: 17px; }
  .store-badge { min-width: 0; flex: 1 1 145px; min-height: 72px; padding: 9px 11px; }
  .store-badge strong { font-size: 15px; }
  .store-caption { font-size: 10px; }
  .download-note { font-size: 10px; }
  .hero-note { margin-top: 12px; font-size: 11px; }
  .hero-visual { min-height: 330px; margin-top: 5px; }
  .hero-phone { width: min(66vw, 238px); }
  .scene-caption { right: 0; bottom: 16px; font-size: 10px; }
  .signal-strip { gap: 8px 13px; padding: 13px 0 19px; font-size: 11px; }
  .home-section { padding: 48px 0; }
  .split-layout { grid-template-columns: minmax(0, 1fr); gap: 21px; }
  .sticky-copy { position: static; }
  .sticky-copy h2 { margin-bottom: 8px; }
  .sticky-copy .lead { font-size: 15px; }
  .principle { grid-template-columns: 30px minmax(0, 1fr) 17px; gap: 10px; padding: 16px 0; }
  .principle h3 { font-size: 16px; }
  .principle p { font-size: 12px; }
  .feature-shelf { padding: 48px 0; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; margin-top: 20px; }
  .feature-card { min-height: 185px; padding: 14px 12px; }
  .feature-icon { width: 30px; height: 30px; margin-bottom: 14px; }
  .feature-card h3 { font-size: 14px; }
  .feature-card p { font-size: 11px; }
  .device-showcase { padding: 48px 0; }
  .device-grid { grid-template-columns: minmax(0, 1fr); gap: 22px; padding: 23px 0; }
  .device-screen-frame { width: min(55vw, 180px); }
  .privacy-band { padding: 15px 0 15px 15px; }
  .privacy-band h2 { font-size: 29px; }
  .cta-section { padding: 36px 0 44px; }
  .cta-card { align-items: center; flex-direction: column; gap: 18px; padding: 22px 0; }
  .cta-download { gap: 15px; }
  .download-actions-final { width: 100%; margin: 0; }
  .download-note-final { margin: -8px 0 0; }
  .page-hero { padding: 34px 0 29px; }
  .page-hero-grid { grid-template-columns: minmax(0, 1fr) 72px; gap: 10px; }
  .page-hero h1 { margin: 11px 0 9px; font-size: clamp(34px, 8vw, 46px); }
  .page-hero .lead { font-size: 14px; }
  .page-mark { width: 66px; height: 66px; font-size: 7px; }
  .page-mark::before { inset: 5px; }
  .page-body { padding: 35px 0 48px; }
  .about-intro { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .about-pull { margin-bottom: 7px; font-size: 20px; }
  .body-copy { font-size: 14px; }
  .values-list { grid-template-columns: minmax(0, 1fr); gap: 8px; margin-top: 18px; }
  .value-card { padding: 15px; }
  .capability { grid-template-columns: 31px minmax(0, 1fr); gap: 9px; padding: 16px 13px; }
  .capability h2 { font-size: 17px; }
  .capability p { font-size: 12px; }
  .capability-tag { grid-column: 2; justify-self: start; margin-top: 4px; text-align: left; }
  .screen-showcase { padding: 36px 0 28px; }
  .screen-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; margin-top: 18px; }
  .screen-card { gap: 7px; padding: 9px 7px; }
  .screen-phone { width: min(100%, 170px); }
  .screen-card figcaption strong { font-size: 12px; }
  .screen-card figcaption span { font-size: 10px; }
  .screens-note { font-size: 10px; }
  .contact-layout { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .contact-card { grid-template-columns: 38px minmax(0, 1fr); gap: 9px; padding: 12px; }
  .contact-card .contact-value { grid-column: 2; font-size: 11px; }
  .contact-form { padding: 18px; }
  .policy-meta { font-size: 11px; }
  .policy-layout { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .policy-toc { position: static; padding: 11px; }
  .policy-toc nav { display: flex; gap: 5px; overflow-x: auto; padding-bottom: 2px; scrollbar-width: thin; }
  .policy-toc a { flex: 0 0 auto; max-width: 210px; padding: 6px 8px; border: 1px solid var(--line); background: #fff; white-space: nowrap; }
  .policy-content { padding: 18px 16px; }
  .policy-content h2 { margin-top: 24px; font-size: 17px; }
  .policy-content p, .policy-content li { font-size: 13px; }
  .notice, .policy-warning { font-size: 12px; }
  .demo-layout { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .demo-copy h2 { font-size: 28px; }
  .demo-card { padding: 15px; }
  .demo-steps { gap: 5px; }
  .demo-step { padding: 9px 7px; }
  .demo-step strong { font-size: 10px; }
  .demo-actions { align-items: flex-start; flex-direction: column; }
  .demo-actions .btn { width: 100%; }
  .footer-main { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 15px; padding: 25px 0 20px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-col strong { font-size: 11px; }
  .footer-col a { font-size: 11px; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 7px; padding-bottom: 12px; font-size: 10px; }
  .footer-bottom-links { gap: 13px; }





  .mobile-more-menu:not([hidden]) { position: fixed; z-index: 80; inset: 0; display: block; }
  .more-menu-backdrop { position: absolute; inset: 62px 0 0; width: 100%; border: 0; background: rgba(23, 33, 43, .08); }
  .more-menu-panel { position: fixed; top: 66px; right: 10px; bottom: auto; left: auto; width: min(340px, calc(100vw - 20px)); max-height: calc(100vh - 78px); overflow-y: auto; padding: 8px 13px 12px; border: 1px solid var(--line-strong); border-radius: 4px; background: #fff; }
  .more-menu-heading { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 9px; }
  .more-menu-heading strong { font-size: 15px; }
  .more-menu-close { padding: 6px 9px; border: 1px solid var(--line); border-radius: 7px; background: #fff; color: var(--blue); font-size: 12px; }
  .more-menu-links { display: grid; }
  .more-menu-link { padding: 11px 4px; border-bottom: 1px solid var(--line); color: var(--text); font-size: 14px; }
  .more-menu-link:last-child { border-bottom: 0; }
  .more-menu-link:hover { color: var(--blue); }
}

@media (max-width: 420px) {
  .wrap { width: calc(100% - 28px); }
  .hero-phone { width: min(68vw, 220px); }
  .hero-visual { min-height: 294px; }
  .feature-card { min-height: 195px; }
  .store-badge { flex-basis: 132px; }
  .contact-form { padding: 15px; }
  .demo-top { align-items: flex-start; flex-direction: column; gap: 5px; }
  .more-menu-panel { right: 7px; left: 7px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

.translation-note { margin: 0 0 18px; padding: 12px 14px; border-left: 3px solid var(--blue); border-radius: 0 8px 8px 0; background: var(--blue-soft-2); color: var(--muted); font-size: 13px; line-height: 1.65; }
.more-menu-link.language-option { color: var(--blue); font-weight: 650; }


/* Telegram-inspired website layout refinement: simple, text-led, and responsive. */
html[lang="en"] .hero-subtitle { display: none; }
.site-header { box-shadow: none; }
.nav-shell { height: 68px; gap: 22px; }
.brand img { border-radius: 5px; }
.nav-cta { border-radius: 4px; }
.language-switch { min-width: 34px; min-height: 34px; padding-inline: 4px; border-width: 0 0 1px; border-radius: 0; }
.btn { border-radius: 4px; }
.btn:hover { transform: none; }
.store-badge { min-width: 148px; min-height: 63px; padding: 8px 12px; border-radius: 4px; box-shadow: none; }
.store-badge-pending { background: #fff; }

.mobile-menu-toggle { display: none; width: 36px; height: 36px; flex: 0 0 auto; place-items: center; padding: 7px; border: 1px solid var(--line-strong); border-radius: 4px; background: #fff; color: var(--blue); cursor: pointer; }
.mobile-menu-toggle svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }
.mobile-menu-toggle[aria-expanded="true"] { border-color: var(--blue); }

.hero-home { padding: 48px 0 28px; }
.hero-grid { display: flex; flex-direction: column; gap: 18px; }
.hero-copy { display: flex; max-width: 790px; flex-direction: column; align-items: center; margin-inline: auto; padding: 0; text-align: center; }
.hero-copy .eyebrow { justify-content: center; }
.hero-copy .eyebrow::before, .hero-copy .eyebrow .dot { display: none; }
.hero-copy h1 { max-width: 820px; margin: 8px 0 5px; font-size: clamp(42px, 5.4vw, 62px); }
.hero-subtitle { margin-bottom: 14px; }
.hero-copy .lead { max-width: 720px; margin: 0 auto; }
.download-actions { justify-content: center; margin-top: 20px; }
.download-note { margin-inline: auto; text-align: center; }
.hero-note { justify-content: center; }

.hero-visual { width: 100%; min-height: 0; margin: 2px auto 0; }
.hero-phone { width: min(100%, 250px); padding: 0; border: 0; border-radius: 0; background: transparent; }
.hero-phone img { border-radius: 4px; }
.scene-caption { display: none; }
.signal-strip { justify-content: center; border-top: 0; border-bottom: 1px solid var(--line); }

.home-section { padding: 54px 0; }
.feature-shelf { padding: 58px 0 62px; border-block: 1px solid var(--line); background: #fff; }
.feature-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0; margin-top: 24px; border-top: 1px solid var(--line); }
.feature-card { display: grid; grid-template-columns: 46px minmax(0, 1.1fr) minmax(220px, .9fr) 20px; align-items: center; gap: 18px; min-height: 0; padding: 17px 0; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: #fff; }
.feature-card:hover { border-color: var(--line); background: #fff; }
.feature-icon { grid-row: 1; grid-column: 1; display: block; width: auto; height: auto; margin: 0; border-radius: 0; background: transparent; color: var(--blue); font-size: 12px; }
.feature-card h3 { grid-row: 1; grid-column: 2; margin: 0; font-size: 15px; }
.feature-card p { grid-row: 1; grid-column: 3; margin: 0; font-size: 12px; }
.card-arrow { position: static; grid-row: 1; grid-column: 4; justify-self: end; }
.device-showcase { padding: 54px 0; }
.device-grid { gap: 48px; padding: 30px 0; border: 0; border-block: 1px solid var(--line); border-radius: 0; background: #fff; }
.device-screen-frame { width: min(100%, 210px); padding: 0; border: 0; border-radius: 0; background: transparent; }
.device-screen-frame img { border-radius: 4px; }
.device-screen figcaption { font-size: 12px; }
.privacy-band { padding: 4px 0 4px 20px; border: 0; border-left: 2px solid var(--blue); border-radius: 0; background: transparent; }
.cta-section { padding: 38px 0 60px; }
.cta-card { align-items: center; flex-direction: column; justify-content: center; gap: 16px; padding: 28px 0; border: 0; border-block: 1px solid var(--line); border-radius: 0; background: #fff; text-align: center; }
.cta-card h2 { max-width: 720px; }
.download-actions-final { justify-content: center; margin: 0; }
.download-note-final { margin: 0; }

.page-hero { padding: 40px 0 34px; background: #fff; }
.page-hero-grid { grid-template-columns: minmax(0, 1fr); gap: 0; }
.page-mark { display: none; }
.page-hero h1 { max-width: 850px; }
.page-body { padding-block: 42px 64px; }
.values-list { display: block; margin-top: 20px; border-top: 1px solid var(--line); }
.value-card { padding: 16px 0; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: transparent; }
.value-card small { margin-bottom: 6px; }
.capability-list { gap: 0; border-top: 1px solid var(--line); }
.capability { grid-template-columns: 44px minmax(0, 1fr) minmax(140px, .4fr); padding: 17px 0; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: transparent; }
.capability-tag span { padding: 0; border: 0; border-radius: 0; }
.capability-note { padding: 12px 0 12px 14px; border-left: 2px solid var(--blue); background: transparent; }
.screen-showcase { background: #fff; }
.screen-gallery { gap: 26px; }
.screen-card { padding: 0; border: 0; border-radius: 0; background: transparent; }
.screen-phone { padding: 0; border: 0; border-radius: 0; background: transparent; }
.screen-phone img { border-radius: 4px; }
.contact-list { gap: 0; border-top: 1px solid var(--line); }
.contact-card { padding: 13px 0; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: transparent; }
.contact-card:hover { border-color: var(--line); background: transparent; }
.contact-icon { border-radius: 0; background: transparent; color: var(--blue); }
.contact-form { padding: 0; border: 0; border-radius: 0; background: transparent; }
.field input, .field textarea { border-radius: 4px; }
.policy-toc { padding: 5px 0 5px 13px; border: 0; border-left: 2px solid var(--blue); border-radius: 0; background: transparent; }
.policy-toc a { padding: 5px 0; border-radius: 0; }
.policy-toc a:hover { background: transparent; text-decoration: underline; }
.policy-content { padding: 0; border: 0; border-radius: 0; background: transparent; }
.notice, .policy-warning { padding: 11px 13px; border: 0; border-left: 2px solid #a97700; border-radius: 0; background: transparent; }
.demo-card { padding: 0; border: 0; border-radius: 0; background: transparent; }
.demo-step { border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: transparent; }
.demo-step.is-active { border-color: var(--blue); background: transparent; }
.demo-message { border: 0; border-left: 2px solid var(--blue); border-radius: 0; background: transparent; }
.site-footer { background: #fff; }
.translation-note { border-radius: 0; background: transparent; }

@media (max-width: 1020px) {
  .site-nav { gap: 14px; }
  .feature-card { grid-template-columns: 40px minmax(0, 1fr) minmax(180px, .9fr) 18px; gap: 13px; }
  .screen-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  body { padding-bottom: 0; }
  .nav-shell { height: 62px; gap: 10px; }
  .site-nav, .nav-cta { display: none; }
  .language-switch { display: inline-flex; min-width: 32px; min-height: 32px; margin-left: auto; padding-inline: 3px; border: 0; border-radius: 0; }
  .mobile-menu-toggle { display: grid; }

  .hero-home { padding: 34px 0 25px; }
  .hero-grid { gap: 14px; }
  .hero-copy { padding: 0; }
  .hero-copy h1 { margin-top: 8px; font-size: clamp(38px, 9.5vw, 52px); }
  .hero-copy .lead { font-size: 15px; }
  .download-actions { width: 100%; gap: 8px; margin-top: 16px; }
  .store-badge { min-width: 0; min-height: 58px; flex: 1 1 130px; padding: 7px 9px; }
  .store-badge strong { font-size: 14px; }
  .store-caption { font-size: 10px; }
  .download-note { font-size: 10px; }
  .hero-note { margin-top: 10px; font-size: 11px; }
  .hero-visual { margin-top: 0; }
  .hero-phone { width: min(62vw, 230px); }

  .home-section { padding: 39px 0; }
  .feature-shelf { padding: 40px 0 42px; }
  .feature-grid { margin-top: 17px; }
  .feature-card { grid-template-columns: 31px minmax(0, 1fr) 18px; gap: 7px 10px; padding: 14px 0; }
  .feature-icon { grid-row: 1; grid-column: 1; }
  .feature-card h3 { grid-row: 1; grid-column: 2; font-size: 14px; }
  .feature-card p { grid-row: 2; grid-column: 2 / 4; font-size: 12px; }
  .card-arrow { grid-row: 1; grid-column: 3; }
  .device-showcase { padding: 38px 0; }
  .device-grid { grid-template-columns: minmax(0, 1fr); gap: 19px; padding: 24px 0; }
  .device-screen-frame { width: min(57vw, 185px); }
  .privacy-band { padding-left: 15px; }
  .cta-section { padding: 28px 0 38px; }
  .cta-card { gap: 13px; padding: 22px 0; }
  .page-hero { padding: 30px 0 25px; }
  .page-hero-grid { grid-template-columns: minmax(0, 1fr); }
  .page-hero h1 { font-size: clamp(34px, 8vw, 46px); }
  .page-body { padding: 29px 0 43px; }
  .capability { grid-template-columns: 31px minmax(0, 1fr); gap: 9px; padding: 15px 0; }
  .capability-tag { grid-column: 2; justify-self: start; margin-top: 2px; text-align: left; }
  .screen-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 11px; }
  .screen-phone { width: min(100%, 160px); }
  .contact-layout { grid-template-columns: minmax(0, 1fr); gap: 25px; }
  .policy-layout { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .policy-toc { position: static; padding: 8px 0 6px; border-left: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .policy-toc nav { gap: 12px; }
  .policy-toc a { max-width: 210px; padding: 6px 0; border: 0; background: transparent; }
  .policy-content { padding: 0; }
  .demo-layout { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .footer-main { gap: 20px 14px; }



  .more-menu-heading { margin-bottom: 3px; padding: 4px 0 10px; border-bottom: 1px solid var(--line); }
  .more-menu-close { border-radius: 3px; }
  .more-menu-links { display: grid; }
  .more-menu-link { padding: 10px 2px; border-bottom: 1px solid var(--line); border-radius: 0; font-size: 13px; }
  .more-menu-link.language-option { margin-top: 5px; border-top: 1px solid var(--line); border-bottom: 0; }
}

@media (max-width: 380px) {
  .brand-word small { display: none; }
  .hero-copy h1 { font-size: 37px; }
  .store-platform { font-size: 9px; }
}


/* Neutral palette refinement: the supplied logo keeps its original blue; page chrome stays editorial and restrained. */

::selection { background: #e8ebed; color: var(--ink); }
:focus-visible { outline-color: #68737a; }
.skip-link { background: var(--ink); }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink); }
.site-nav a[aria-current="page"]::after { background: var(--line-strong); }
.nav-cta { border-color: var(--line-strong); border-radius: 4px; color: var(--ink); }
.nav-cta:hover { border-color: var(--ink); background: var(--ink); color: #fff; }
.language-switch { border-color: transparent; border-radius: 0; background: transparent; color: var(--muted); text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 4px; }
.language-switch:hover { border-color: transparent; background: transparent; color: var(--ink); text-decoration-color: currentColor; }
.mobile-menu-toggle { border-color: var(--line-strong); border-radius: 4px; color: var(--ink); }
.mobile-menu-toggle[aria-expanded="true"] { border-color: var(--line-strong); background: var(--surface-muted); }
.eyebrow, .section-kicker { color: var(--subtle); font-weight: 550; letter-spacing: .035em; }
.eyebrow::before { background: var(--line-strong); }
.hero-copy h1 em { color: var(--ink); }
.btn-primary, .store-badge-link { border-color: var(--ink); background: var(--ink); color: #fff; }
.btn-primary:hover, .store-badge-link:hover { border-color: #394147; background: #394147; }
.btn-quiet { border-color: var(--line-strong); color: var(--text); }
.btn-quiet:hover { border-color: var(--line-strong); background: var(--surface-muted); color: var(--ink); }
.lock-dot { border: 1px solid var(--line); background: transparent; color: var(--muted); }
.principle-num, .principle .plus, .feature-icon, .card-arrow, .capability-index, .about-pull, .demo-label { color: var(--muted); }
.feature-card:hover, .contact-card:hover { border-color: var(--line); background: #fff; }
.privacy-band, .policy-toc, .capability-note, .demo-message { border-left-color: var(--line-strong); }
.capability-note { background: transparent; }
.contact-icon { background: transparent; color: var(--muted); }
.contact-card .contact-value { color: var(--text); }
.field input:focus, .field textarea:focus { border-color: var(--line-strong); box-shadow: 0 0 0 2px rgba(32, 38, 43, .06); }
.faq-list summary::after { color: var(--muted); }
.policy-toc a:hover { background: transparent; color: var(--ink); }
.policy-list a, .policy-content a { color: #46545d; }
.policy-list a:hover, .policy-content a:hover { color: var(--ink); }
.demo-step.is-active { border-color: var(--line-strong); background: var(--surface-muted); }
.site-footer a:hover, .footer-bottom a:hover { color: var(--ink); }
.more-menu-link:hover, .more-menu-link.language-option { color: var(--ink); }
.brand-word small { letter-spacing: .045em; }

@media (max-width: 760px) {
  .language-switch { border: 0; background: transparent; }
}


.footer-bottom-links { flex-wrap: wrap; align-items: center; }
.footer-icp { display: inline-block; max-width: 100%; color: var(--muted); font-size: inherit; white-space: nowrap; }
@media (max-width: 760px) {
  .footer-bottom-links { gap: 8px 12px; }
}


/* Paired platform download marks, inspired by the user's AppSite reference. */
.download-actions { align-items: stretch; gap: 10px; }
.store-badge { display: flex; width: 216px; min-width: 0; min-height: 64px; flex: 1 1 0; align-items: center; justify-content: flex-start; gap: 12px; padding: 10px 13px; border: 1px solid #22282d; border-radius: 4px; text-align: left; }
.store-badge-link { background: #22282d; color: #fff; text-decoration: none; }
.store-badge-link:hover { border-color: #414950; background: #414950; color: #fff; }
.store-badge-pending { background: #596168; border-color: #596168; color: #fff; cursor: default; }
.store-mark { width: 23px; height: 23px; flex: 0 0 auto; object-fit: contain; filter: brightness(0) invert(1); }
.store-badge-copy { display: flex; min-width: 0; flex-direction: column; gap: 1px; }
.store-badge-copy .store-platform { color: #d5d9dc; font-size: 10px; font-weight: 500; letter-spacing: .025em; line-height: 1.2; text-transform: none; }
.store-badge-copy strong { color: #fff; font-size: 14px; font-weight: 600; line-height: 1.35; }
.store-badge-copy .store-caption { color: #e1e4e6; font-size: 10px; line-height: 1.25; }
.download-note { max-width: 560px; }
@media (max-width: 760px) {
  .download-actions { width: 100%; gap: 8px; }
  .store-badge { width: auto; min-width: 0; min-height: 62px; padding: 8px 9px; gap: 8px; }
  .store-mark { width: 21px; height: 21px; }
  .store-badge-copy strong { font-size: 12px; }
  .store-badge-copy .store-caption { font-size: 9px; }
}
@media (max-width: 360px) {
  .store-badge { padding-inline: 7px; gap: 6px; }
  .store-badge-copy .store-platform, .store-badge-copy .store-caption { font-size: 8px; }
  .store-badge-copy strong { font-size: 11px; }
}

/* Google Play is shown as its intact full-color wordmark, not a recolored prism. */
.store-status { display: flex; width: 216px; min-width: 0; min-height: 64px; flex: 1 1 0; flex-direction: column; align-items: center; justify-content: center; gap: 5px; padding: 8px 10px; text-align: center; }
.googleplay-lockup { display: block; width: min(142px, 100%); height: auto; object-fit: contain; }
.store-coming-soon { color: var(--muted); font-size: 10px; line-height: 1.25; }
@media (max-width: 760px) {
  .store-status { width: auto; min-width: 0; min-height: 62px; flex: 1 1 130px; padding: 6px 7px; gap: 4px; }
  .googleplay-lockup { width: min(132px, 100%); }
  .store-coming-soon { font-size: 9px; }
}
@media (max-width: 360px) {
  .googleplay-lockup { width: min(118px, 100%); }
}

/* Layout polish: keep the Telegram-inspired editorial flow, tighten the first fold, and align store choices. */
.hero-home { padding: 36px 0 24px; }
.hero-grid { gap: 10px; }
.hero-copy { max-width: 760px; }
.hero-copy h1 { margin: 5px 0 3px; font-size: clamp(40px, 5vw, 56px); line-height: 1.08; }
.hero-subtitle { margin-bottom: 9px; }
.hero-copy .lead { max-width: 680px; font-size: clamp(15px, 1.35vw, 16px); line-height: 1.68; }
.download-actions { width: min(100%, 438px); justify-content: center; gap: 12px; margin-top: 16px; }
.store-badge, .store-status { width: calc((100% - 12px) / 2); max-width: 213px; min-height: 62px; flex: 1 1 0; }
.store-badge { gap: 8px; padding: 8px 10px; }
.store-mark { width: 21px; height: 21px; }
.store-badge-copy strong { font-size: 13px; }
.store-badge-copy .store-platform, .store-badge-copy .store-caption, .store-coming-soon { font-size: 9px; }
.store-status { gap: 4px; padding: 6px 8px; }
.googleplay-lockup { width: min(132px, 100%); }
.download-note { max-width: 520px; margin-top: 7px; }
.hero-note { margin-top: 10px; }
.hero-visual { margin-top: 0; }
.hero-phone { width: min(100%, 270px); }
.feature-shelf { padding: 46px 0 50px; }
.feature-grid { margin-top: 18px; }
.feature-card { gap: 14px; padding-block: 14px; }
.device-showcase { padding: 44px 0; }
.device-grid { gap: 36px; padding-block: 23px; }
.cta-section { padding: 32px 0 48px; }

@media (max-width: 760px) {
  .hero-home { padding: 29px 0 18px; }
  .hero-copy h1 { font-size: clamp(38px, 8.7vw, 46px); }
  .hero-copy .lead { font-size: 14px; line-height: 1.68; }
  .download-actions { width: min(100%, 438px); gap: 8px; margin-top: 14px; }
  .store-badge, .store-status { width: calc((100% - 8px) / 2); min-width: 0; min-height: 60px; flex: 1 1 0; }
  .store-badge { gap: 7px; padding: 7px 8px; }
  .store-badge-copy strong { font-size: 11px; }
  .store-badge-copy .store-platform, .store-badge-copy .store-caption, .store-coming-soon { font-size: 8px; }
  .store-mark { width: 20px; height: 20px; }
  .googleplay-lockup { width: min(124px, 100%); }
  .hero-phone { width: min(68vw, 235px); }
  .feature-shelf { padding: 36px 0 40px; }
  .feature-grid { margin-top: 14px; }
  .feature-card { gap: 7px 10px; padding-block: 13px; }
  .device-showcase { padding: 36px 0; }
  .device-grid { gap: 18px; padding-block: 19px; }
  .cta-section { padding: 27px 0 40px; }
}

@media (max-width: 360px) {
  .store-badge, .store-status { min-height: 58px; }
  .store-badge { gap: 5px; padding-inline: 6px; }
  .store-badge-copy .store-platform, .store-badge-copy .store-caption, .store-coming-soon { font-size: 7.5px; }
  .store-badge-copy strong { font-size: 10px; }
  .googleplay-lockup { width: min(116px, 100%); }
}


/* Homepage refinement: clear download placement, editorial layout, and subtle motion. */
.hero-home { padding: 52px 0 48px; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(290px, .82fr);
  align-items: center;
  gap: clamp(40px, 6vw, 82px);
}
.hero-copy { max-width: 620px; margin: 0; padding: 18px 0; text-align: left; }
.hero-copy .eyebrow { justify-content: flex-start; }
.hero-copy h1 { max-width: 620px; margin: 14px 0 8px; font-size: clamp(44px, 4.6vw, 60px); line-height: 1.1; text-align: left; }
.hero-subtitle { margin-bottom: 15px; text-align: left; }
.hero-copy .lead { max-width: 550px; margin: 0; text-align: left; }
.download-actions { width: min(100%, 438px); justify-content: flex-start; margin-top: 22px; }
.download-note { max-width: 440px; margin: 9px 0 0; text-align: left; }
.hero-visual { width: 100%; min-height: 0; margin: 0; place-items: center; }
.hero-phone { width: min(100%, 290px); padding: 5px; border: 1px solid var(--line-strong); border-radius: 8px; background: #fff; }
.hero-phone img { border-radius: 4px; }
.scene-caption {
  position: static;
  display: grid;
  justify-items: center;
  gap: 0;
  margin-top: 9px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--subtle);
  text-align: center;
}
.scene-caption strong { color: var(--muted); font-size: 11px; font-weight: 600; }
.scene-caption span { color: var(--subtle); font-size: 10px; }
.privacy-band { border-left-color: var(--line-strong); }

/* White controls with a fine brand-blue outline; no gray or black solid CTA. */
.btn-primary, .store-badge-link {
  border: 1px solid #182768;
  background: #fff;
  color: #182768;
}
.btn-primary:hover, .store-badge-link:hover {
  border-color: #182768;
  background: #fff;
  color: #182768;
}
.store-badge-link { transition: border-color .16s ease, color .16s ease, transform .16s ease; }
.store-badge-link:hover { transform: translateY(-1px); }
.store-badge-link .store-badge-copy,
.store-badge-link .store-badge-copy .store-platform,
.store-badge-link .store-badge-copy strong,
.store-badge-link .store-badge-copy .store-caption {
  color: #182768;
  opacity: 1;
}
.store-mark { filter: brightness(0) saturate(100%) invert(12%) sepia(48%) saturate(3090%) hue-rotate(219deg) brightness(85%) contrast(112%); }
.store-coming-soon { color: #182768; }
.feature-card { transition: color .18s ease, border-color .18s ease, transform .18s ease; }
.feature-card:hover { transform: translateX(3px); }

@media (max-width: 900px) {
  .hero-home { padding-top: 38px; }
  .hero-grid { grid-template-columns: 1fr; gap: 24px; }
  .hero-copy { max-width: 700px; margin-inline: auto; padding: 10px 0 0; text-align: center; }
  .hero-copy .eyebrow { justify-content: center; }
  .hero-copy h1 { margin-inline: auto; text-align: center; }
  .hero-subtitle, .hero-copy .lead { margin-inline: auto; text-align: center; }
  .download-actions { justify-content: center; margin-inline: auto; }
  .download-note { margin-inline: auto; text-align: center; }
  .hero-visual { margin-inline: auto; }
  .hero-phone { width: min(72vw, 270px); }
}

@media (max-width: 420px) {
  .hero-home { padding: 30px 0 34px; }
  .hero-grid { gap: 20px; }
  .hero-copy h1 { font-size: clamp(36px, 10vw, 44px); }
  .download-actions { gap: 8px; }
  .store-badge { min-width: 0; width: calc(50% - 4px); padding-inline: 10px; }
  .store-badge strong { font-size: 15px; }
  .googleplay-lockup { max-width: 100%; }
  .hero-phone { width: min(74vw, 250px); }
}

@media (max-width: 360px) {
  html[lang="en"] .hero-copy h1 { font-size: clamp(30px, 9.3vw, 32px); letter-spacing: -.055em; }
  .store-badge-copy strong { font-size: 11px; }
  .store-badge-copy .store-platform, .store-badge-copy .store-caption, .store-coming-soon { font-size: 8px; }
}

@media (prefers-reduced-motion: no-preference) {
  @keyframes imimchat-settle-in {
    from { opacity: 0; transform: translateY(9px); }
    to { opacity: 1; transform: translateY(0); }
  }
  @keyframes imimchat-menu-in {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
  }
  .hero-copy { animation: imimchat-settle-in 360ms cubic-bezier(.2, .65, .3, 1) both; }
  .hero-visual { animation: imimchat-settle-in 420ms cubic-bezier(.2, .65, .3, 1) 70ms both; }
  .more-menu-panel { animation: imimchat-menu-in 180ms ease-out both; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto !important; }
  *, *::before, *::after {
    animation: none !important;
    scroll-behavior: auto !important;
    transition: none !important;
  }
}


/* Persistent theme switch and Apple-friendly picture fallbacks. */
.theme-toggle {
  display: inline-grid;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  place-items: center;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: background-color .18s ease, border-color .18s ease, color .18s ease;
}
.theme-toggle:hover { border-color: var(--blue); background: var(--blue-soft-2); }
.theme-toggle svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.theme-icon-sun { display: none; }
html[data-theme="dark"] .theme-icon-moon { display: none; }
html[data-theme="dark"] .theme-icon-sun { display: block; }
.hero-phone picture, .device-screen-frame picture, .screen-phone picture { display: block; width: 100%; }

html[data-theme="dark"] {
  color-scheme: dark;
  --blue: #aebfe8;
  --blue-hover: #c7d4f2;
  --blue-bright: #90a4d0;
  --blue-soft: #1c2841;
  --blue-soft-2: #182238;
  --ink: #eff2f8;
  --text: #d8deea;
  --muted: #b3bdcd;
  --subtle: #929daf;
  --line: #2a3446;
  --line-strong: #465570;
  --surface: #101621;
  --surface-muted: #151e2b;
  --surface-blue: #1a2538;
  --positive: #79c99a;
  --warning: #e6c276;
}
html[data-theme="dark"] body { background: var(--surface); color: var(--ink); transition: background-color .18s ease, color .18s ease; }
html[data-theme="dark"] .site-header,
html[data-theme="dark"] .site-footer,
html[data-theme="dark"] .feature-shelf,
html[data-theme="dark"] .device-grid,
html[data-theme="dark"] .cta-card,
html[data-theme="dark"] .page-hero,
html[data-theme="dark"] .screen-showcase { background: var(--surface); }
html[data-theme="dark"] .hero-phone,
html[data-theme="dark"] .screen-card,
html[data-theme="dark"] .screen-phone,
html[data-theme="dark"] .value-card,
html[data-theme="dark"] .capability,
html[data-theme="dark"] .contact-card,
html[data-theme="dark"] .contact-form,
html[data-theme="dark"] .policy-toc,
html[data-theme="dark"] .policy-content,
html[data-theme="dark"] .demo-card { background: var(--surface-muted); }
html[data-theme="dark"] .feature-card,
html[data-theme="dark"] .device-screen-frame,
html[data-theme="dark"] .cta-card,
html[data-theme="dark"] .privacy-band { background: transparent; }
html[data-theme="dark"] .site-header { border-bottom-color: var(--line); }
html[data-theme="dark"] .site-footer { border-top-color: var(--line); }
html[data-theme="dark"] .feature-card,
html[data-theme="dark"] .feature-card:hover,
html[data-theme="dark"] .contact-card:hover { border-color: var(--line); background-color: transparent; }
html[data-theme="dark"] .contact-card:hover { background-color: var(--surface-blue); }
html[data-theme="dark"] .btn-primary,
html[data-theme="dark"] .btn-quiet,
html[data-theme="dark"] .store-badge-link {
  border-color: #7b8fca;
  background: transparent;
  color: #dce5ff;
}
html[data-theme="dark"] .btn-primary:hover,
html[data-theme="dark"] .btn-quiet:hover,
html[data-theme="dark"] .store-badge-link:hover,
html[data-theme="dark"] .theme-toggle:hover,
html[data-theme="dark"] .mobile-menu-toggle:hover,
html[data-theme="dark"] .language-switch:hover { border-color: #a7b8ec; background: var(--blue-soft); color: #f1f4ff; }
html[data-theme="dark"] .store-badge,
html[data-theme="dark"] .store-badge-pending,
html[data-theme="dark"] .mobile-menu-toggle,
html[data-theme="dark"] .theme-toggle,
html[data-theme="dark"] .more-menu-panel,
html[data-theme="dark"] .more-menu-close,
html[data-theme="dark"] .policy-toc a,
html[data-theme="dark"] .field input,
html[data-theme="dark"] .field textarea { border-color: var(--line-strong); background: var(--surface-muted); color: var(--ink); }
html[data-theme="dark"] .store-badge-link .store-badge-copy,
html[data-theme="dark"] .store-badge-link .store-platform,
html[data-theme="dark"] .store-badge-link .store-badge-copy strong,
html[data-theme="dark"] .store-badge-link .store-caption,
html[data-theme="dark"] .store-coming-soon { color: #dce5ff; }
html[data-theme="dark"] .store-mark { filter: brightness(0) invert(1); }
html[data-theme="dark"] .mobile-menu-toggle[aria-expanded="true"] { border-color: var(--blue); }
html[data-theme="dark"] .more-menu-backdrop { background: rgba(3, 7, 14, .72); }
html[data-theme="dark"] .more-menu-link { border-bottom-color: var(--line); color: var(--text); }
html[data-theme="dark"] .policy-toc a:hover,
html[data-theme="dark"] .more-menu-link:hover { background: var(--blue-soft); color: var(--blue-hover); }
html[data-theme="dark"] .field input::placeholder,
html[data-theme="dark"] .field textarea::placeholder { color: var(--subtle); }
html[data-theme="dark"] .field input:focus,
html[data-theme="dark"] .field textarea:focus { box-shadow: 0 0 0 2px rgba(174, 191, 232, .18); }
html[data-theme="dark"] .notice,
html[data-theme="dark"] .policy-warning { border-color: #68532e; background: #2a2418; color: #ead8aa; }
html[data-theme="dark"] .faq-list a,
html[data-theme="dark"] .policy-content a { text-decoration-color: var(--line-strong); }
html[data-theme="dark"] ::selection { background: #324160; color: #fff; }
html[data-theme="dark"] :focus-visible { outline-color: #b8c8f3; }

@media (max-width: 760px) {
  .nav-shell { gap: 14px; }
}


/* Use the supplied real dark-mode app screen only when the site theme is dark. */
.theme-image { display: block; width: 100%; }
.theme-image-dark { display: none; width: 100%; height: auto; }
html[data-theme="dark"] .theme-image-light { display: none; }
html[data-theme="dark"] .theme-image-dark { display: block; }