/* Shared public-site design system. Logical spacing follows Persian RTL. */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body {
  margin: 0;
  background: radial-gradient(ellipse 65% 620px at 85% 0, var(--glow-indigo), transparent 80%), radial-gradient(ellipse 55% 620px at 0 380px, var(--glow-cyan), transparent 85%), var(--bg);
  color: var(--ink); font: 16px/1.95 var(--font); -webkit-font-smoothing: antialiased;
}
h1, h2, h3, p, figure, blockquote { margin: 0; }
h1, h2, h3 { font-weight: 750; line-height: 1.55; }
h1 { font-size: clamp(34px, 4.1vw, 54px); letter-spacing: -1.5px; white-space: pre-line; }
h2 { font-size: clamp(26px, 2.9vw, 36px); letter-spacing: -.7px; white-space: pre-line; }
h3 { font-size: 19px; }
p { color: var(--muted); }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { color: inherit; font: inherit; }
button, a, summary { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; }
img { display: block; max-width: 100%; height: auto; }
svg { flex-shrink: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a, button, input, select, textarea, summary { outline-offset: 5px; }
:focus-visible { outline: 3px solid var(--focus); }
::selection { background: var(--brand); color: var(--on-brand); }
[hidden] { display: none !important; }
.container { width: min(1200px, calc(100% - 64px)); margin-inline: auto; }
.section { padding-block: 80px; }
.icon { width: 22px; height: 22px; vertical-align: middle; }
.flip { transform: rotate(180deg); }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.js-only { display: none !important; }
[data-enhanced=true] .js-only { display: inline-flex !important; }
.skip-link { position: fixed; inset-block-start: -80px; inset-inline-start: 20px; padding: 12px 20px; border-radius: 12px; background: var(--ink); color: var(--bg); z-index: 100; }
.skip-link:focus { inset-block-start: 12px; }
.button {
  min-height: 52px; padding: 12px 24px; border: 1px solid transparent; border-radius: 14px;
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  font-size: 14px; font-weight: 650; line-height: 1.8;
  transition: background .2s, border-color .2s, box-shadow .2s, transform .2s var(--ease);
}
.button-primary { color: var(--on-brand); background: var(--brand); box-shadow: 0 6px 18px color-mix(in srgb, var(--brand) 17%, transparent); }
.button-small { min-height: 44px; padding: 9px 16px; font-size: 13px; border-radius: 12px; }
.button-quiet { color: var(--ink); background: color-mix(in srgb, var(--surface) 65%, transparent); border-color: var(--line); }
.button-white { background: #fff; color: #35299f; }
.button:active { transform: translateY(1px); }
.icon-button { display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0; width: 44px; height: 44px; padding: 10px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); transition: background .2s, border-color .2s, transform .2s var(--ease); }
.text-button { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 8px 0; border: 0; background: transparent; color: var(--brand); font-size: 13px; font-weight: 600; }
/* Compact, translucent navigation with one clear primary action. */
.site-header { position: sticky; top: 0; z-index: 30; background: var(--bg); border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent); }
@supports (backdrop-filter: blur(16px)) { .site-header { background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: blur(16px); } }
.header-inner { min-height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; font-size: 19px; font-weight: 750; line-height: 1.7; }
.brand img { width: 44px; height: 44px; border-radius: 13px; box-shadow: 0 4px 12px #30227a18; }
.brand small { display: block; color: var(--muted); font-size: 10px; font-weight: 450; }
.main-nav { display: flex; align-items: center; gap: 4px; font-size: 13px; }
.main-nav a { position: relative; padding: 10px 12px; min-height: 44px; color: var(--muted); border-radius: 10px; transition: color .2s, background .2s; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.theme-toggle { position: relative; overflow: hidden; }
.theme-toggle .icon { position: absolute; transition: opacity .2s, transform .2s var(--ease); }
.theme-sun { opacity: 0; transform: rotate(-45deg) scale(.7); }
.theme-moon { opacity: 1; }
[data-theme=dark] .theme-sun { opacity: 1; transform: none; }
[data-theme=dark] .theme-moon { opacity: 0; transform: rotate(45deg) scale(.7); }
.menu-button, [data-enhanced=true] .menu-button { display: none !important; }
.menu-close-icon { display: none; }
.menu-button[aria-expanded=true] .menu-open-icon { display: none; }
.menu-button[aria-expanded=true] .menu-close-icon { display: block; }
/* The modal sits in the top layer, independent of the sticky header. */
.menu-open { overflow: hidden; scroll-behavior: auto; }
.menu-open body { position: fixed; top: var(--menu-scroll-top, 0px); inset-inline: 0; width: 100%; overflow: hidden; }
.mobile-menu {
  display: none; position: fixed; inset-block: 0; inset-inline-start: auto; inset-inline-end: auto;
  right: 0; left: auto; margin: 0; padding: 0; width: min(360px, calc(100% - 24px)); max-width: none;
  height: 100vh; height: 100dvh; max-height: none; overflow: hidden;
  border: 0; border-inline-end: 1px solid var(--line); border-radius: 24px 0 0 24px;
  background: var(--surface); color: var(--ink); box-shadow: var(--shadow-raised);
}
.mobile-menu[open] { display: flex; flex-direction: column; animation: menu-in .24s var(--ease); }
.mobile-menu::backdrop { background: #06091299; backdrop-filter: blur(5px); }
.mobile-menu-header {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-shrink: 0;
  padding: max(22px, env(safe-area-inset-top)) max(20px, env(safe-area-inset-right)) 22px 20px;
  border-bottom: 1px solid var(--line); background: var(--surface-alt);
}
.mobile-menu-header .brand { min-width: 0; flex-shrink: 1; font-size: 17px; }
.mobile-menu-header .brand > span { min-width: 0; overflow-wrap: anywhere; }
.mobile-menu-header .brand img { flex-shrink: 0; }
.mobile-menu-content {
  display: flex; flex-direction: column; gap: 16px; flex: 1; min-height: 0; overflow-y: auto;
  overscroll-behavior: contain; padding: 24px max(20px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) 20px;
  scrollbar-width: thin; scrollbar-color: var(--line) transparent;
}
.mobile-menu-content h2 { font-size: 13px; font-weight: 500; letter-spacing: 0; color: var(--muted); }
.mobile-nav { display: flex; flex-direction: column; gap: 6px; }
.mobile-nav a {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  min-height: 56px; padding: 14px 16px; border-radius: 14px; font-size: 15px; font-weight: 600;
  background: var(--surface-alt); transition: background .2s, color .2s;
}
.mobile-nav a > span { min-width: 0; overflow-wrap: anywhere; }
.mobile-nav-chevron { width: 18px; height: 18px; transform: rotate(90deg); color: var(--brand); }
.mobile-nav a:active { background: var(--brand-soft); color: var(--brand); }
.mobile-menu-footer { margin-top: auto; padding-top: 20px; border-top: 1px solid var(--line); }
.mobile-menu-footer > .button { width: 100%; }
.mobile-menu-footer > p { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 16px; font-size: 11px; }
.mobile-menu-footer > p .icon { width: 18px; height: 18px; }
@keyframes menu-in { from { opacity: .7; transform: translateX(100%); } to { opacity: 1; transform: none; } }
/* The app and its order workflow anchor the visual identity. */
.hero { display: grid; grid-template-columns: 1.07fr 1fr; align-items: center; gap: 60px; padding-block: 38px 40px; }
.hero-copy { max-width: 580px; animation: hero-in .5s var(--ease) both; }
.intro-line { display: inline-flex; align-items: center; gap: 9px; margin-bottom: 18px; font-size: 13px; color: var(--brand); }
.intro-dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; box-shadow: 0 0 0 5px var(--brand-soft); }
.hero-description { max-width: 500px; font-size: 16px; margin-block: 22px 28px; line-height: 2.1; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-preview { min-width: 0; }
.preview-stage { height: 490px; position: relative; isolation: isolate; overflow: hidden; border: 1px solid color-mix(in srgb, var(--brand) 16%, var(--line)); border-radius: 36px; background: radial-gradient(ellipse at 20% 10%, var(--glow-cyan), transparent 70%), radial-gradient(ellipse at 90% 95%, var(--glow-indigo), transparent 75%), var(--stage); }
.stage-grid { position: absolute; inset: 0; z-index: -1; background-image: linear-gradient(color-mix(in srgb, var(--brand) 8%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--brand) 8%, transparent) 1px, transparent 1px); background-size: 44px 44px; mask-image: linear-gradient(transparent, #000 50%, transparent); }
.stage-orbit { position: absolute; width: 390px; height: 390px; border-radius: 50%; border: 1px solid color-mix(in srgb, var(--brand) 18%, transparent); top: 50px; left: 50%; transform: translateX(-50%); box-shadow: 0 0 0 32px color-mix(in srgb, var(--brand) 4%, transparent); }
.phone-preview { position: absolute; border: 5px solid var(--surface); border-radius: 26px; box-shadow: 0 24px 48px #1118312b; }
.phone-front { width: 220px; right: 44px; top: 30px; transform: rotate(5deg); }
.phone-back { width: 203px; left: 36px; top: 95px; transform: rotate(-7deg); }
.statistics { padding-block: 10px 0; }
.stats-strip { display: grid; grid-template-columns: repeat(4, 1fr); padding: 28px 16px; background: color-mix(in srgb, var(--surface) 82%, transparent); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.stat { display: flex; align-items: center; justify-content: center; gap: 16px; padding-inline: 16px; border-inline-end: 1px solid var(--line); }
.stat:last-child { border: 0; }
.stat > .icon { color: var(--brand); width: 24px; height: 24px; }
.stat strong { display: block; font-size: 27px; font-weight: 750; line-height: 1.6; font-variant-numeric: tabular-nums; }
.stat span { color: var(--muted); font-size: 12px; }
.section-heading { display: flex; justify-content: space-between; align-items: center; gap: 24px; margin-bottom: 32px; }
.section-heading p { max-width: 580px; font-size: 14px; margin-top: 12px; }
.section-symbol { display: grid; place-items: center; width: 60px; height: 60px; color: var(--brand); background: var(--brand-soft); border-radius: 18px; }
.section-symbol .icon { width: 28px; height: 28px; }
.feature-grid { display: grid; grid-template-columns: 1.12fr 1fr; gap: 24px; }
.feature-main { position: relative; overflow: hidden; border: 1px solid color-mix(in srgb, var(--brand) 17%, var(--line)); border-radius: 28px; padding: 32px; background: radial-gradient(ellipse at 0 0, var(--glow-indigo), transparent 65%), var(--surface); box-shadow: var(--shadow); }
.feature-main-heading { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; color: var(--muted); font-size: 12px; }
.feature-icon { display: inline-flex; align-items: center; justify-content: center; width: 48px; height: 48px; flex-shrink: 0; border-radius: 15px; color: var(--brand); background: var(--brand-soft); }
.feature-main h3 { font-size: 32px; white-space: pre-line; letter-spacing: -.6px; }
.feature-main > p { margin-top: 16px; font-size: 14px; max-width: 440px; }
.order-track { display: grid; gap: 0; margin-top: 28px; }
.order-track li { position: relative; display: flex; gap: 14px; align-items: center; padding-block: 14px; --status: var(--brand); --status-bg: var(--brand-soft); }
.order-track li:not(:last-child)::after { content: ''; position: absolute; inset-inline-start: 21px; top: calc(50% + 22px); bottom: -14px; width: 2px; background: var(--line); }
.order-track .status-review { --status: var(--amber); --status-bg: var(--amber-soft); }
.order-track .status-accepted { --status: var(--blue); --status-bg: var(--blue-soft); }
.order-track .status-progress { --status: var(--progress); --status-bg: var(--progress-soft); }
.order-track .status-completed { --status: var(--green); --status-bg: var(--green-soft); }
.track-icon { display: grid; place-items: center; position: relative; z-index: 1; width: 44px; height: 44px; border: 1px solid color-mix(in srgb, var(--status) 16%, transparent); background: var(--status-bg); color: var(--status); border-radius: 14px; flex-shrink: 0; }
.order-track strong { color: var(--status); font-size: 14px; font-weight: 650; }
.order-track p { font-size: 12px; margin-top: 2px; }
.track-number { margin-inline-start: auto; color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.feature-list { display: grid; align-self: center; grid-auto-rows: max-content; gap: 16px; }
.feature-item { display: flex; align-items: flex-start; gap: 18px; padding: 24px; border: 1px solid var(--line); border-radius: 22px; background: var(--surface); transition: border-color .2s, box-shadow .2s, transform .2s var(--ease); }
.feature-item:nth-child(2) .feature-icon { color: var(--green); background: var(--green-soft); }
.feature-item:nth-child(3) .feature-icon { color: var(--blue); background: var(--blue-soft); }
.feature-item h3 { margin-bottom: 8px; }
.feature-item p { font-size: 14px; line-height: 2.05; }
.gallery-section { padding-block: 64px; border-block: 1px solid var(--line); background: radial-gradient(ellipse at 20% 60%, var(--glow-indigo), transparent 70%), color-mix(in srgb, var(--surface-alt) 45%, var(--bg)); }
.gallery-layout { display: grid; grid-template-columns: 280px minmax(0, 1fr); align-items: center; gap: 52px; }
.gallery-copy > p { margin-top: 18px; font-size: 14px; }
.gallery-hint { display: flex; align-items: center; gap: 8px; margin-top: 24px; color: var(--brand); font-size: 12px; }
.gallery-hint .icon { width: 17px; height: 17px; }
.gallery-rail { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; min-width: 0; }
.gallery-item { min-width: 0; }
.gallery-item > a { display: block; position: relative; border: 5px solid var(--surface); border-radius: 24px; box-shadow: var(--shadow); overflow: hidden; transition: transform .25s var(--ease), box-shadow .25s; }
.gallery-item img { width: 100%; }
.zoom-icon { position: absolute; display: grid; place-items: center; width: 38px; height: 38px; bottom: 12px; left: 12px; border-radius: 12px; background: var(--surface); color: var(--ink); box-shadow: var(--shadow); }
.zoom-icon .icon { width: 18px; height: 18px; }
.gallery-item figcaption { padding: 16px 4px 0; }
.gallery-item figcaption strong { display: block; font-size: 15px; font-weight: 650; }
.gallery-item figcaption > span { display: block; color: var(--muted); font-size: 11px; margin-top: 4px; }
.centered { display: block; text-align: center; }
.centered p { margin-inline: auto; }
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px; margin-top: 40px; }
.step-top { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.step-number { display: inline-grid; place-items: center; flex-shrink: 0; width: 42px; height: 42px; border-radius: 13px; background: var(--brand-soft); color: var(--brand); font-size: 17px; font-weight: 650; }
.step-line { flex: 1; height: 1px; background: var(--line); }
.step-top > .icon { width: 22px; height: 22px; color: var(--muted); }
.steps h3 { font-size: 17px; margin-bottom: 10px; }
.steps p { font-size: 13px; }
.reviews-section { padding-top: 0; }
.reviews-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.review-card { display: flex; flex-direction: column; padding: 28px; border: 1px solid var(--line); border-radius: 22px; background: var(--surface); box-shadow: var(--shadow); transition: border-color .2s, box-shadow .2s, transform .2s var(--ease); }
.review-stars { display: flex; gap: 4px; color: var(--gold); }
.review-stars .icon { width: 20px; height: 20px; fill: var(--gold); stroke: var(--gold-edge); stroke-width: 1; filter: drop-shadow(0 2px 3px #eba80726); }
.review-card blockquote { flex: 1; margin-block: 22px 26px; font-size: 14px; line-height: 2.1; }
.review-card figcaption { display: flex; align-items: center; gap: 12px; border-top: 1px solid var(--line); padding-top: 18px; }
.review-card figcaption img { width: 44px; height: 44px; border-radius: 50%; background: var(--surface-alt); }
.review-card figcaption strong { font-size: 13px; font-weight: 600; }
.review-card figcaption small { display: block; font-size: 11px; color: var(--muted); }
.review-card figcaption > .icon { margin-inline-start: auto; color: var(--brand); width: 22px; height: 22px; }
.faq-section { display: grid; grid-template-columns: .75fr 1.25fr; gap: 70px; padding-top: 0; }
.faq-intro > .icon { width: 44px; height: 44px; margin-bottom: 20px; color: var(--brand); }
.faq-intro > p { font-size: 14px; margin-top: 14px; max-width: 300px; }
.faq-list { display: grid; gap: 12px; align-content: start; }
details { border: 1px solid var(--line); border-radius: 18px; background: var(--surface); transition: border-color .2s, box-shadow .2s, background .2s; }
summary { display: flex; align-items: center; justify-content: space-between; gap: 24px; cursor: pointer; padding: 20px 22px; border-radius: inherit; font-size: 15px; font-weight: 600; list-style: none; transition: color .2s; }
summary::-webkit-details-marker { display: none; }
summary .icon { width: 20px; height: 20px; color: var(--brand); transition: transform .2s var(--ease); }
details[open] summary .icon { transform: rotate(45deg); }
details[open] summary { color: var(--brand); }
details[open] { border-color: color-mix(in srgb, var(--brand) 30%, var(--line)); box-shadow: var(--shadow); }
.faq-answer { min-width: 0; }
.faq-answer > p { font-size: 14px; padding: 0 22px 22px; max-width: 660px; }
.download-banner { position: relative; overflow: hidden; display: flex; justify-content: space-between; align-items: center; gap: 48px; padding: 48px 56px; margin-bottom: 80px; border-radius: 32px; color: #fff; background: radial-gradient(ellipse at 0 0, #25838c70, transparent 60%), linear-gradient(120deg, #322765, #4937b8); box-shadow: var(--shadow-raised); }
.download-banner > div:first-child { position: relative; z-index: 1; }
.download-banner h2 { font-size: 34px; }
.download-banner p { color: #e3dfff; font-size: 14px; margin-block: 16px 24px; }
.banner-art { display: grid; place-items: center; position: relative; width: 330px; height: 220px; flex-shrink: 0; }
.banner-art img { width: 112px; height: 112px; border-radius: 30px; transform: rotate(-9deg); z-index: 1; box-shadow: 0 16px 32px #18123740; }
.banner-orbit { position: absolute; width: 210px; height: 210px; border: 1px solid #ffffff24; border-radius: 50%; }
.banner-orbit.second { width: 310px; height: 310px; }
/* Footer: directory, contact surface and authentic trust seal. */
.site-footer { padding-top: 56px; background: radial-gradient(ellipse at 100% 100%, var(--glow-indigo), transparent 65%), var(--surface); border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1.5fr .8fr 1fr auto; gap: 52px; align-items: start; padding-bottom: 44px; }
.footer-brand > p { max-width: 310px; margin-top: 18px; font-size: 13px; }
.footer-grid h2 { font-size: 14px; font-weight: 650; margin-bottom: 16px; letter-spacing: 0; }
.footer-links { display: flex; flex-direction: column; align-items: flex-start; }
.footer-links > a { color: var(--muted); font-size: 13px; min-height: 36px; padding-block: 5px; transition: color .2s; }
.support-note { display: flex; gap: 9px; align-items: flex-start; font-size: 13px; margin-bottom: 16px; max-width: 210px; }
.support-note .icon { width: 20px; height: 20px; margin-top: 3px; color: var(--brand); }
.contact-link { display: flex; align-items: center; gap: 10px; min-height: 44px; font-size: 14px; font-weight: 600; transition: color .2s; }
.contact-link .icon { width: 19px; height: 19px; color: var(--brand); }
.contact-link bdi { overflow-wrap: anywhere; }
.social-links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.social-links .icon-button { background: var(--bg); }
.enamad { width: 144px; padding: 14px; border: 1px solid var(--line); border-radius: 20px; background: var(--bg); text-align: center; }
.enamad > a { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.enamad img { width: 100px; height: 110px; object-fit: contain; background: #fff; border-radius: 12px; }
.enamad span { display: flex; align-items: center; gap: 6px; color: var(--brand); font-size: 11px; }
.enamad span .icon { width: 13px; height: 13px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; gap: 20px; border-top: 1px solid var(--line); padding-block: 20px; color: var(--muted); font-size: 11px; }
.footer-bottom > .back-top { gap: 8px; color: var(--ink); }
.footer-bottom .icon { width: 16px; height: 16px; transform: rotate(180deg); }
/* Download page, installation details and package integrity controls. */
.download-hero { padding-block: 38px 56px; }
.back-link { gap: 8px; }
.back-link .icon { width: 18px; height: 18px; }
.download-heading { text-align: center; margin: 0 auto 32px; max-width: 720px; }
.download-heading > img { width: 72px; height: 72px; border-radius: 22px; margin: 0 auto 14px; box-shadow: var(--shadow); }
.download-heading h1 { font-size: clamp(30px, 3.6vw, 44px); }
.download-heading > p { font-size: 15px; margin: 16px auto 0; max-width: 590px; }
.download-heading > .back-link { margin-top: 18px; }
.notice { display: flex; align-items: flex-start; gap: 14px; max-width: 760px; margin: 0 auto 28px; padding: 20px 24px; border: 1px solid color-mix(in srgb, var(--amber) 25%, var(--line)); background: var(--amber-soft); border-radius: 18px; font-size: 14px; }
.notice > .icon { color: var(--amber); margin-top: 3px; }
.notice strong { color: var(--amber); }
.notice p { margin-top: 6px; font-size: 13px; }
.download-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.download-card { display: flex; flex-direction: column; padding: 28px; border: 1px solid var(--line); border-radius: 24px; background: var(--surface); box-shadow: var(--shadow); transition: border-color .2s, box-shadow .2s, transform .2s var(--ease); }
.download-card.is-available { border-color: color-mix(in srgb, var(--brand) 48%, var(--line)); background: radial-gradient(ellipse at 0 0, var(--glow-indigo), transparent 90%), var(--surface); }
.source-top { display: flex; align-items: center; margin-bottom: 20px; }
.store-logo { display: grid; place-items: center; flex-shrink: 0; width: 64px; height: 64px; background: var(--surface-alt); border-radius: 18px; color: var(--brand); }
.store-logo img { width: 48px; height: 48px; border-radius: 12px; }
.store-logo > .icon { width: 28px; height: 28px; }
.download-card h2 { font-size: 23px; letter-spacing: -.4px; }
.download-card > p { font-size: 13px; margin-top: 8px; margin-bottom: auto; }
.download-card > .button { width: 100%; margin-top: 28px; padding-inline: 14px; }
.download-card > small { display: block; font-size: 11px; color: var(--muted); margin-top: 12px; text-align: center; }
.button-disabled { color: var(--muted); background: var(--surface-alt); border-color: var(--line); }
.release-section { display: grid; grid-template-columns: .8fr 1.2fr; border: 1px solid var(--line); border-radius: 28px; background: var(--surface); overflow: hidden; }
.release-preview { display: flex; align-items: flex-start; justify-content: center; padding: 36px 28px 0; max-height: 550px; overflow: hidden; background: radial-gradient(ellipse at 40% 20%, var(--glow-cyan), transparent 80%), var(--stage); }
.release-preview > img { width: 230px; border: 5px solid var(--surface); border-radius: 26px; transform: rotate(-5deg); box-shadow: var(--shadow-raised); }
.release-detail { min-width: 0; padding: 40px; }
.release-detail > .feature-icon { margin-bottom: 18px; }
.release-detail > h2 { font-size: 28px; }
.release-detail > p { font-size: 14px; margin-top: 12px; }
.release-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 28px; margin-block: 28px; }
.release-meta dt { color: var(--muted); font-size: 12px; }
.release-meta dd { margin: 4px 0 0; font-size: 17px; font-weight: 650; }
.checksum-block { border-top: 1px solid var(--line); padding-top: 20px; }
.checksum-block > span { display: block; font-size: 12px; color: var(--muted); margin-bottom: 10px; }
.checksum-block code { display: block; overflow-wrap: anywhere; padding: 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg); font: 12px/1.8 Consolas, monospace; user-select: all; }
.copy-status { font-size: 12px; }
.installation { max-width: 900px; }
.install-steps { display: grid; gap: 24px; }
.install-steps li { display: flex; align-items: flex-start; gap: 18px; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.install-steps li:last-child { border: 0; padding-bottom: 0; }
.install-steps h3 { font-size: 17px; margin-bottom: 6px; }
.install-steps p { font-size: 14px; }
/* Native dialog retains keyboard focus and a direct image-link fallback. */
.dialog-open { overflow: hidden; }
dialog { padding: 20px; width: 600px; max-width: calc(100vw - 32px); max-height: 94dvh; border: 1px solid var(--line); border-radius: 24px; background: var(--surface); color: var(--ink); box-shadow: var(--shadow-raised); }
dialog[open] { animation: dialog-in .18s var(--ease); }
dialog::backdrop { background: #060912c7; backdrop-filter: blur(6px); }
.dialog-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 16px; }
.dialog-toolbar > p { font-size: 13px; }
.dialog-image { display: flex; align-items: center; justify-content: center; gap: 16px; }
.dialog-image img { height: calc(90dvh - 110px); width: auto; max-width: calc(100% - 120px); object-fit: contain; border-radius: 16px; }
@keyframes hero-in { from { opacity: .5; transform: translateY(8px); } to { opacity: 1; transform: none; } }
@keyframes dialog-in { from { opacity: .5; transform: scale(.98); } to { opacity: 1; transform: none; } }
/* Revealed once on entry; content is visible until JS enables the observer. */
.reveal-ready { transition: opacity .55s var(--ease) var(--reveal-delay, 0ms), transform .55s var(--ease) var(--reveal-delay, 0ms), border-color .2s, box-shadow .2s; }
.reveal-ready:not(.is-visible) { opacity: 0; transform: translateY(16px); }
.reveal-ready:focus-within { opacity: 1; transform: none; transition-delay: 0ms; }
.feature-icon, .store-logo { transition: transform .25s var(--ease); }
.order-track li { transition: background .2s; border-radius: 14px; }
@media (hover: hover) {
  .button-primary:hover { background: var(--brand-hover); transform: translateY(-2px); box-shadow: 0 10px 24px color-mix(in srgb, var(--brand) 24%, transparent); }
  .button-quiet:hover, .icon-button:hover { background: var(--surface-alt); border-color: color-mix(in srgb, var(--brand) 30%, var(--line)); }
  .button-white:hover { background: #eeeaff; transform: translateY(-2px); }
  .main-nav a:hover { color: var(--brand); background: var(--brand-soft); }
  .mobile-nav a:hover { color: var(--brand); background: var(--brand-soft); }
  .gallery-item > a:hover { transform: translateY(-4px); box-shadow: var(--shadow-raised); }
  .feature-item:hover, .review-card:hover, .download-card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--brand) 35%, var(--line)); box-shadow: var(--shadow-raised); }
  .feature-item:hover .feature-icon, .download-card:hover .store-logo { transform: rotate(-5deg) scale(1.04); }
  .order-track li:hover { background: color-mix(in srgb, var(--status-bg) 60%, transparent); }
  .footer-links > a:hover, .contact-link:hover, .back-link:hover, .footer-bottom > a:hover, summary:hover { color: var(--brand); }
}
@media (max-width: 1100px) {
  .header-inner { gap: 16px; }
  .main-nav a { padding-inline: 9px; font-size: 12px; }
  .brand { font-size: 17px; }
  .hero { gap: 30px; }
  .preview-stage { height: 460px; }
  .phone-front { right: 26px; width: 203px; }
  .phone-back { left: 22px; width: 188px; }
  .stat { gap: 10px; }
  .stat strong { font-size: 24px; }
  .gallery-layout { grid-template-columns: 240px minmax(0, 1fr); gap: 36px; }
  .gallery-rail { gap: 18px; }
  .feature-main { padding: 26px; }
  .footer-grid { gap: 32px; grid-template-columns: 1.25fr .8fr 1fr auto; }
}
@media (max-width: 900px) {
  .container { width: calc(100% - 40px); }
  .header-inner { min-height: 72px; flex-wrap: wrap; gap: 12px; }
  .header-actions { margin-inline-start: auto; }
  .main-nav { order: 3; width: 100%; flex-direction: column; align-items: stretch; padding-bottom: 12px; }
  [data-menu-ready=true] .main-nav { display: none; }
  [data-enhanced=true][data-menu-ready=true] .menu-button { display: inline-flex !important; }
  .section { padding-block: 60px; }
  .hero { gap: 24px; padding-block: 30px; }
  .download-hero { padding-top: 30px; }
  h1 { font-size: 36px; }
  .hero-description { font-size: 14px; margin-block: 18px 24px; }
  .hero-actions { gap: 8px; }
  .hero-actions .button { padding-inline: 14px; font-size: 12px; gap: 8px; }
  .preview-stage { height: 410px; border-radius: 28px; }
  .phone-front { right: 22px; width: 174px; }
  .phone-back { left: 14px; top: 86px; width: 164px; }
  .stat > .icon { display: none; }
  .feature-grid { gap: 18px; }
  .feature-item { gap: 14px; padding: 24px; }
  .feature-item .feature-icon { width: 40px; height: 40px; border-radius: 12px; }
  .feature-item h3 { font-size: 17px; }
  .feature-item p, .feature-main > p { font-size: 13px; }
  .order-track p { font-size: 11px; }
  .gallery-layout { grid-template-columns: 1fr; gap: 32px; }
  .gallery-copy { max-width: 580px; }
  .gallery-copy h2 { white-space: normal; }
  .gallery-copy > p { margin-top: 12px; }
  .gallery-hint { margin-top: 16px; }
  .gallery-rail { width: min(100%, 700px); margin-inline: auto; gap: 26px; }
  .steps { gap: 22px; }
  .steps h3 { font-size: 15px; }
  .steps p { font-size: 12px; }
  .reviews-section, .faq-section { padding-top: 0; }
  .reviews-grid { gap: 16px; }
  .review-card { padding: 22px; }
  .review-card blockquote { font-size: 13px; }
  .review-card figcaption { gap: 8px; }
  .review-card figcaption > .icon { display: none; }
  .faq-section { gap: 36px; }
  .download-banner { padding: 36px; gap: 24px; margin-bottom: 60px; }
  .banner-art { width: 240px; }
  .download-banner h2 { font-size: 30px; }
  .footer-grid { grid-template-columns: 1.1fr 1fr; gap: 32px 48px; }
  .footer-brand { grid-column: 1; }
  .footer-links { grid-column: 2; grid-row: 1; }
  .footer-contact { grid-column: 1; }
  .enamad { grid-column: 2; }
  .download-card { padding: 22px; }
  .download-cards { gap: 16px; }
  .store-logo { width: 56px; height: 56px; }
  .store-logo img { width: 42px; height: 42px; }
  .download-card h2 { font-size: 21px; }
  .download-card > .button { font-size: 12px; }
  .release-detail { padding: 28px; }
}
@media (max-width: 600px) {
  html { scroll-padding-top: 86px; }
  .container { width: calc(100% - 36px); }
  .header-inner { min-height: 70px; }
  .brand { font-size: 16px; gap: 9px; }
  .brand img { width: 38px; height: 38px; border-radius: 12px; }
  .brand small { font-size: 9px; }
  .header-actions { gap: 8px; }
  .header-actions > .button { display: none; }
  .main-nav { gap: 4px; padding-block: 8px 16px; border-top: 1px solid var(--line); }
  .main-nav a { padding-inline: 12px; font-size: 13px; }
  .hero { grid-template-columns: 1fr; gap: 28px; padding-block: 28px 24px; }
  .hero-copy { max-width: 480px; }
  .intro-line { font-size: 12px; margin-bottom: 14px; }
  h1 { font-size: clamp(31px, 8.5vw, 40px); line-height: 1.6; letter-spacing: -1px; }
  .hero-description { font-size: 14px; line-height: 2.05; margin-block: 16px 24px; }
  .hero-actions { gap: 10px; }
  .hero-actions .button { min-height: 50px; padding-inline: 18px; font-size: 13px; }
  .hero-preview { width: 100%; max-width: 450px; margin-inline: auto; }
  .preview-stage { height: 420px; }
  .phone-front { width: 184px; right: 35px; top: 24px; }
  .phone-back { width: 174px; left: 26px; top: 70px; }
  .stats-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 6px 20px; border-radius: 22px; }
  .stat { justify-content: flex-start; padding: 18px 0; }
  .stat:nth-child(2n) { padding-inline-start: 20px; border-inline-end: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
  .stat:last-child { border-top: 1px solid var(--line); }
  .stat strong { font-size: 24px; }
  .stat span { font-size: 11px; }
  .section { padding-block: 52px; }
  .section-heading { margin-bottom: 24px; align-items: flex-start; }
  .section-heading p { font-size: 13px; margin-top: 10px; }
  .section-heading h2 { font-size: 27px; }
  .section-symbol { display: none; }
  .feature-grid { grid-template-columns: 1fr; gap: 16px; }
  .feature-main { padding: 26px; border-radius: 24px; }
  .feature-main h3 { font-size: 30px; }
  .feature-main > p { font-size: 14px; }
  .feature-list { gap: 12px; }
  .feature-item { padding: 24px; gap: 16px; border-radius: 20px; }
  .feature-item p { font-size: 13px; }
  .order-track li { gap: 12px; }
  .order-track p { font-size: 12px; max-width: 220px; }
  .gallery-section { padding-block: 44px; overflow: hidden; }
  .gallery-rail { display: flex; overflow-x: auto; scroll-snap-type: x proximity; gap: 20px; padding: 8px 8px 18px; scrollbar-width: thin; scrollbar-color: var(--brand) var(--line); }
  .gallery-item { flex: 0 0 190px; scroll-snap-align: start; }
  .gallery-item figcaption > span { font-size: 11px; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 24px; margin-top: 32px; }
  .step-top { gap: 10px; margin-bottom: 16px; }
  .step-number { width: 38px; height: 38px; font-size: 16px; }
  .steps h3 { font-size: 16px; }
  .steps p { font-size: 13px; }
  .reviews-section, .faq-section { padding-top: 0; }
  .reviews-grid { grid-template-columns: 1fr; gap: 16px; }
  .review-card { padding: 26px; }
  .review-card blockquote { font-size: 14px; margin-block: 20px 24px; }
  .review-card figcaption > .icon { display: block; }
  .faq-section { grid-template-columns: 1fr; gap: 24px; }
  .faq-intro > .icon { width: 34px; height: 34px; margin-bottom: 12px; }
  .faq-intro > p { max-width: none; font-size: 13px; }
  summary { font-size: 14px; padding: 18px; gap: 16px; }
  .faq-answer > p { font-size: 13px; padding: 0 18px 20px; }
  .download-banner { padding: 32px 28px; margin-bottom: 52px; border-radius: 26px; }
  .download-banner h2 { font-size: 28px; }
  .download-banner p { font-size: 13px; max-width: 240px; }
  .download-banner .button { font-size: 12px; padding-inline: 18px; }
  .banner-art { position: absolute; left: -90px; top: 45px; width: 210px; opacity: .16; pointer-events: none; }
  .site-footer { padding-top: 36px; }
  .footer-grid { gap: 32px 24px; padding-bottom: 32px; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .footer-brand { grid-column: 1 / -1; }
  .footer-brand > p { max-width: 350px; }
  .footer-links { grid-column: 1; grid-row: 2 / span 2; }
  .footer-contact { grid-column: 2; grid-row: 2; }
  .support-note { font-size: 12px; }
  .contact-link { font-size: 13px; gap: 7px; }
  .enamad { grid-column: 2; grid-row: 3; width: 132px; }
  .footer-bottom { flex-wrap: wrap; gap: 8px 20px; font-size: 10px; padding-block: 18px; }
  .download-hero { padding-block: 28px 36px; }
  .download-heading { margin-bottom: 28px; }
  .download-heading h1 { font-size: 31px; line-height: 1.65; }
  .download-heading > p { font-size: 14px; }
  .download-heading > img { width: 64px; height: 64px; border-radius: 20px; margin-bottom: 12px; }
  .download-cards { grid-template-columns: 1fr; gap: 18px; }
  .download-card { padding: 26px; }
  .source-top { margin-bottom: 18px; }
  .download-card h2 { font-size: 23px; }
  .download-card > .button { font-size: 14px; margin-top: 24px; }
  .download-card > small { font-size: 11px; }
  .release-section { grid-template-columns: 1fr; border-radius: 24px; }
  .release-preview { padding-top: 30px; max-height: 300px; order: 2; }
  .release-preview > img { width: 200px; }
  .release-detail { padding: 28px 24px; }
  .release-detail > h2 { font-size: 26px; }
  .release-detail > p { font-size: 13px; }
  .release-meta { gap: 20px; }
  .release-meta dd { font-size: 16px; }
  .checksum-block code { font-size: 11px; }
  .install-steps li { gap: 14px; }
  .install-steps h3 { font-size: 16px; }
  .install-steps p { font-size: 13px; }
  .notice { padding: 18px; gap: 10px; font-size: 13px; }
  .notice p { font-size: 12px; }
  dialog { padding: 14px; border-radius: 20px; }
  .dialog-toolbar > p { font-size: 12px; }
  .dialog-image { gap: 8px; }
  .dialog-image img { max-width: calc(100% - 104px); }
}
@media (max-width: 360px) {
  .container { width: calc(100% - 28px); }
  .brand { font-size: 15px; }
  .brand small { font-size: 8px; }
  .brand img { width: 34px; height: 34px; }
  .header-actions { gap: 6px; }
  .hero-actions .button { padding-inline: 12px; font-size: 12px; }
  .preview-stage { height: 378px; }
  .phone-front { width: 166px; right: 24px; }
  .phone-back { width: 152px; left: 20px; }
  .stat strong { font-size: 22px; }
  .feature-main, .feature-item { padding: 22px; }
  .track-number { display: none; }
  .steps { gap: 28px 18px; }
  .footer-grid { gap: 28px 18px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal-ready:not(.is-visible) { opacity: 1; transform: none; }
}