:root {
  color-scheme: light;
  --ink: #1d1d1f;
  --muted: #65656b;
  --soft: #f5f5f7;
  --line: #e4e4e7;
  --link: #0066cc;
  --shell: 1160px;
  --tracking: -0.045em;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans", "Noto Sans", Arial, sans-serif;
  color: var(--ink);
  background: #fff;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-block-start: 88px; }
body { margin: 0; line-height: 1.6; }
h1, h2, h3, p, figure { margin: 0; }
a { color: inherit; text-decoration: none; }
img { display: block; max-inline-size: 100%; block-size: auto; }
svg { flex-shrink: 0; }
a, summary { -webkit-tap-highlight-color: transparent; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--link); outline-offset: 5px; }
.shell { inline-size: min(var(--shell), calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: absolute; inset-block-start: 12px; inset-inline-start: 16px; z-index: 100; padding: 10px 18px; background: var(--ink); color: #fff; transform: translateY(-180%); border-radius: 8px; }
.skip-link:focus { transform: translateY(0); }

.site-header { position: relative; z-index: 20; background: #fff; border-block-end: 1px solid #f0f0f2; }
.header-inner { display: flex; align-items: center; gap: 28px; min-block-size: 82px; padding-block: 14px; }
.brand { display: inline-flex; align-items: center; gap: 11px; min-inline-size: 0; min-block-size: 44px; font-size: 18px; font-weight: 650; letter-spacing: -0.025em; }
.brand img { inline-size: 37px; block-size: 37px; border-radius: 10px; }
.brand span { overflow-wrap: anywhere; }
.header-nav { display: flex; align-items: center; justify-content: flex-end; gap: 28px; margin-inline-start: auto; font-size: 13px; }
.header-nav a { display: inline-flex; align-items: center; min-block-size: 44px; transition: color 160ms; }
.header-nav a:hover { color: var(--link); }
.nav-download { border: 1px solid var(--line); border-radius: 99px; padding: 8px 17px; white-space: nowrap; }
.language-picker { position: relative; flex-shrink: 0; font-size: 13px; }
.language-picker summary { display: flex; align-items: center; gap: 8px; min-block-size: 44px; padding: 9px 2px; list-style: none; cursor: pointer; }
.language-picker summary::-webkit-details-marker { display: none; }
.language-picker .chevron { transition: transform 160ms; }
.language-picker[open] .chevron { transform: rotate(180deg); }
.language-options { position: absolute; inset-inline-end: 0; inset-block-start: calc(100% + 8px); min-inline-size: 210px; max-block-size: calc(100dvh - 110px); overflow-y: auto; padding: 8px; margin: 0; list-style: none; background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 12px 40px rgb(0 0 0 / 10%); }
.language-options a { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-block-size: 44px; padding: 9px 14px; border-radius: 9px; }
.language-options a:hover, .language-options a[aria-current="page"] { background: var(--soft); }
.language-options a[aria-current="page"]::after { content: "✓"; font-size: 14px; color: var(--muted); }

.hero { display: grid; grid-template-columns: 1.13fr 1fr; align-items: center; gap: 48px; padding-block: 72px 80px; }
.hero-copy { min-inline-size: 0; padding-block: 24px; }
.eyebrow { font-size: 12px; font-weight: 650; line-height: 1.6; letter-spacing: 0.085em; color: var(--muted); }
.hero h1 { max-inline-size: 600px; margin-block-start: 21px; font-size: clamp(46px, 5.7vw, 76px); line-height: 1.08; font-weight: 680; letter-spacing: var(--tracking); text-wrap: balance; }
.hero-description { max-inline-size: 475px; margin-block-start: 26px; font-size: 19px; line-height: 1.7; color: var(--muted); }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 22px; margin-block-start: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-block-size: 50px; padding: 13px 23px; border: 1px solid transparent; border-radius: 99px; font-size: 15px; font-weight: 550; line-height: 1.5; text-align: center; transition: background-color 160ms, border-color 160ms, transform 160ms; }
.button-primary, .store-button { background: var(--ink); color: #fff; }
.button-primary:hover, .store-button:hover { background: #38383b; transform: translateY(-2px); }
.text-link { display: inline-flex; align-items: center; gap: 5px; min-block-size: 44px; color: var(--link); font-size: 15px; }
.text-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.platform-note { margin-block-start: 15px; font-size: 12px; color: var(--muted); }
.hero-art { position: relative; display: grid; justify-items: center; align-items: center; min-inline-size: 0; padding-block: 24px 10px; }
.hero-orbit { position: absolute; inline-size: 100%; aspect-ratio: 1; border-radius: 50%; background: #f3f2ef; }
.hero-device { position: relative; z-index: 1; inline-size: min(62%, 265px); }
.phone-frame { overflow: hidden; border: 5px solid #242426; border-radius: 33px; background: #fff; }
.hero-device .phone-frame { box-shadow: 0 25px 65px rgb(34 34 38 / 13%); }
.phone-frame img { inline-size: 100%; block-size: auto; }
.hero-device figcaption { inline-size: 155%; margin-inline-start: -27.5%; margin-block-start: 22px; font-size: 12px; line-height: 1.6; text-align: center; color: var(--muted); }
.glyph-card { position: absolute; z-index: 2; inset-inline-start: 0; inset-block-start: 38%; display: grid; justify-items: center; gap: 5px; inline-size: 126px; padding: 15px 12px 12px; border-radius: 22px; background: #fff; box-shadow: 0 12px 35px rgb(0 0 0 / 7%); }
.glyph-card img { inline-size: 90px; block-size: 90px; border-radius: 14px; }
.glyph-card span { font-family: "Songti SC", "Noto Serif CJK SC", serif; font-size: 18px; color: var(--muted); }

.section { padding-block: 100px; scroll-margin-block-start: 24px; }
.section-soft { background: var(--soft); }
.section-heading { max-inline-size: 770px; margin-inline: auto; text-align: center; }
.section-heading h2 { margin-block-start: 14px; font-size: clamp(31px, 4vw, 48px); font-weight: 650; line-height: 1.18; letter-spacing: var(--tracking); text-wrap: balance; }
.section-heading > p:last-child { max-inline-size: 630px; margin-inline: auto; margin-block-start: 22px; font-size: 17px; line-height: 1.75; color: var(--muted); }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 44px; margin-block-start: 64px; }
.feature { min-inline-size: 0; }
.feature-index { display: block; margin-block-end: 25px; font-size: 29px; font-weight: 350; letter-spacing: -0.05em; color: #a1a1a6; }
.feature-tag { font-size: 12px; color: var(--muted); font-weight: 550; }
.feature h3 { margin-block-start: 10px; font-size: 25px; line-height: 1.3; letter-spacing: -0.035em; font-weight: 650; text-wrap: balance; }
.feature > p:last-child { margin-block-start: 16px; font-size: 16px; line-height: 1.8; color: var(--muted); }

.preview-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; margin-block-start: 55px; }
.preview-card { min-inline-size: 0; }
.preview-screen { display: grid; place-items: center; padding: 35px 20px; background: var(--soft); border-radius: 26px; }
.preview-screen .phone-frame { inline-size: min(100%, 213px); border-width: 4px; border-radius: 29px; }
.preview-card figcaption { padding: 24px 4px 0; }
.preview-card h3 { font-size: 20px; line-height: 1.4; letter-spacing: -0.025em; font-weight: 650; }
.preview-card p { margin-block-start: 10px; font-size: 15px; line-height: 1.8; color: var(--muted); }

.download-section { text-align: center; }
.download-icon { inline-size: 66px; block-size: 66px; border-radius: 17px; margin-inline: auto; margin-block-end: 29px; }
.download-links { display: flex; align-items: stretch; justify-content: center; flex-wrap: wrap; gap: 14px; margin-block-start: 34px; }
.store-button { min-block-size: 58px; max-inline-size: 295px; padding: 14px 22px; border-radius: 14px; font-size: 14px; }
.store-button span { min-inline-size: 0; }
.store-button-outline { background: transparent; border-color: #b6b6bd; color: var(--ink); }
.store-button-outline:hover { background: #eaeaec; border-color: #98989f; }
.download-note { margin-block-start: 18px; font-size: 12px; color: var(--muted); }

.site-footer { padding-block: 47px 30px; font-size: 12px; color: var(--muted); }
.footer-top { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 28px; }
.footer-brand { display: inline-flex; align-items: center; min-block-size: 44px; font-size: 16px; color: var(--ink); font-weight: 650; letter-spacing: -0.025em; }
.footer-top p { margin-block-start: 8px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 10px 25px; }
.footer-links a { display: inline-flex; align-items: center; min-block-size: 44px; }
.footer-links a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 4px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-block-start: 28px; padding-block-start: 23px; border-block-start: 1px solid var(--line); }
.footer-bottom p:last-child { max-inline-size: 590px; }

.legal-main { max-inline-size: 760px; padding-block: 70px 90px; font-size: 16px; line-height: 1.85; }
.legal-main h1 { margin-block-end: 32px; font-size: clamp(36px, 5vw, 52px); line-height: 1.15; letter-spacing: var(--tracking); }
.legal-main h2 { margin-block: 34px 14px; font-size: 23px; line-height: 1.4; letter-spacing: -0.025em; }
.legal-main p { margin-block: 18px; color: #505056; }
.legal-main ul { padding-inline-start: 24px; color: #505056; }
.legal-main li { margin-block: 9px; }
.legal-main a { color: var(--link); text-decoration: underline; text-underline-offset: 3px; }
.legal-main .legal-note { font-size: 13px; color: var(--muted); }
.redirect-main { max-inline-size: 680px; padding-block: 85px; text-align: center; }
.redirect-main h1 { margin-block: 25px 20px; font-size: clamp(34px, 5vw, 48px); line-height: 1.2; letter-spacing: var(--tracking); }
.redirect-main > p { color: var(--muted); }
.redirect-main .download-links { flex-direction: column; align-items: center; }
.redirect-main .store-button { inline-size: min(100%, 300px); }

html:lang(ar), html:lang(hi), html:lang(bn) { --tracking: 0; }
:lang(ar) .eyebrow, :lang(hi) .eyebrow, :lang(bn) .eyebrow { letter-spacing: 0; }
:lang(ar) .hero h1, :lang(hi) .hero h1, :lang(bn) .hero h1 { line-height: 1.3; }
:lang(ar) h2, :lang(hi) h2, :lang(bn) h2 { line-height: 1.4; }
:lang(ar) h3, :lang(hi) h3, :lang(bn) h3 { letter-spacing: 0; line-height: 1.5; }
[dir="rtl"] .arrow { transform: rotate(180deg); }
[dir="rtl"] .glyph-card { direction: ltr; }

@media (min-width: 1600px) {
  .hero { padding-block: 94px 105px; }
}

@media (max-width: 1000px) {
  .shell { inline-size: calc(100% - 64px); }
  .header-inner { gap: 20px; }
  .header-nav { gap: 18px; }
  .hero { gap: 30px; padding-block: 58px 64px; }
  .hero h1 { font-size: clamp(40px, 5.9vw, 62px); }
  .hero-description { font-size: 17px; }
  .hero-device { inline-size: min(68%, 245px); }
  .glyph-card { inline-size: 102px; padding: 12px 8px 9px; border-radius: 18px; }
  .glyph-card img { inline-size: 74px; block-size: 74px; }
  .section { padding-block: 80px; }
  .feature-grid { gap: 28px; }
  .feature h3 { font-size: 22px; }
  .preview-grid { gap: 18px; }
  .preview-screen { padding: 28px 18px; border-radius: 22px; }
  .preview-screen .phone-frame { border-radius: 24px; }
  .preview-card h3 { font-size: 18px; }
}

@media (max-width: 760px) {
  .shell { inline-size: calc(100% - 40px); }
  .header-inner { min-block-size: 72px; gap: 16px; padding-block: 12px; }
  .brand { font-size: 16px; gap: 8px; }
  .brand img { inline-size: 32px; block-size: 32px; border-radius: 8px; }
  .header-nav { gap: 0; }
  .nav-detail { display: none; }
  .nav-download { font-size: 12px; padding: 7px 12px; }
  .language-picker { font-size: 12px; }
  .language-picker summary { gap: 5px; }
  .hero { grid-template-columns: minmax(0, 1fr); gap: 15px; padding-block: 48px 64px; }
  .hero-copy { padding-block: 0; text-align: center; }
  .hero .eyebrow { font-size: 11px; }
  .hero h1 { max-inline-size: 610px; margin-inline: auto; margin-block-start: 18px; font-size: clamp(39px, 8.2vw, 58px); line-height: 1.14; }
  .hero-description { max-inline-size: 510px; margin-inline: auto; margin-block-start: 23px; font-size: 17px; }
  .hero-actions { justify-content: center; gap: 12px 24px; margin-block-start: 25px; }
  .hero-art { max-inline-size: 450px; inline-size: 100%; margin-inline: auto; margin-block-start: 22px; }
  .hero-device { inline-size: min(61%, 238px); }
  .glyph-card { inset-inline-start: 3%; inline-size: 106px; }
  .hero-device figcaption { font-size: 11px; }
  .section { padding-block: 65px; }
  .section-heading h2 { font-size: clamp(30px, 6.3vw, 42px); }
  .section-heading > p:last-child { margin-block-start: 18px; font-size: 16px; }
  .feature-grid { grid-template-columns: minmax(0, 1fr); gap: 32px; margin-block-start: 40px; }
  .feature { display: grid; grid-template-columns: 43px minmax(0, 1fr); gap: 0 15px; }
  .feature-index { grid-row: 1 / 4; margin: 0; font-size: 23px; }
  .feature h3 { grid-column: 2; font-size: 23px; }
  .feature > p:last-child { grid-column: 2; margin-block-start: 12px; font-size: 15px; }
  .preview-grid { grid-template-columns: minmax(0, 1fr); gap: 40px; margin-block-start: 38px; }
  .preview-card { inline-size: 100%; max-inline-size: 460px; margin-inline: auto; }
  .preview-screen { padding: 31px 20px; border-radius: 25px; }
  .preview-screen .phone-frame { inline-size: min(64%, 228px); border-radius: 29px; }
  .preview-card figcaption { padding: 19px 3px 0; text-align: center; }
  .preview-card h3 { font-size: 21px; }
  .preview-card p { margin-inline: auto; max-inline-size: 360px; }
  .download-icon { inline-size: 59px; block-size: 59px; }
  .download-links { flex-direction: column; align-items: center; gap: 12px; }
  .store-button { inline-size: min(100%, 325px); max-inline-size: 325px; min-block-size: 57px; }
  .footer-top { flex-direction: column; gap: 18px; }
  .footer-links { gap: 4px 20px; }
  .footer-bottom { flex-direction: column; gap: 10px; margin-block-start: 19px; }
  .legal-main { padding-block: 48px 60px; }
}

@media (max-width: 420px) {
  .header-inner { gap: 10px; }
  .header-nav { display: none; }
  .language-picker { margin-inline-start: auto; }
  .language-picker summary { gap: 6px; }
  .brand { max-inline-size: calc(100% - 140px); }
  .brand span { font-size: 15px; }
  .hero h1 { font-size: clamp(35px, 10vw, 42px); }
  .hero-description { font-size: 16px; }
  .hero-actions { gap: 12px; }
  .hero-actions .button { padding-inline: 20px; }
  .hero-actions .text-link { font-size: 14px; }
  .glyph-card { inline-size: 87px; border-radius: 17px; }
  .glyph-card img { inline-size: 61px; block-size: 61px; border-radius: 10px; }
  .glyph-card span { font-size: 16px; }
  .hero-device .phone-frame { border-radius: 28px; border-width: 4px; }
  .feature { grid-template-columns: 30px minmax(0, 1fr); gap: 0 12px; }
  .section-heading h2 { font-size: 30px; }
  :lang(ar) .hero h1, :lang(hi) .hero h1, :lang(bn) .hero h1 { line-height: 1.35; }
}

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