:root {
    color-scheme: dark;
    --canvas: #111210;
    --ink: #f5f3e9;
    --muted: #aeafa6;
    --line: #373a33;
    --accent: #edb257;
    --serif: Georgia, "Times New Roman", serif;
    --sans: "Segoe UI", Arial, sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; background: var(--canvas); color: var(--ink); font-family: var(--sans); font-size: 17px; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .6; }
a:focus-visible, button:focus-visible, summary:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--accent); outline-offset: 6px; }
::selection { color: var(--canvas); background: var(--accent); }
.container { width: calc(100% - 112px); max-width: 1408px; margin-inline: auto; }
.icon-definitions { position: absolute; width: 0; height: 0; overflow: hidden; }
.metrika-pixel { position: absolute; left: -9999px; width: 1px; height: 1px; }
.icon { width: 24px; height: 24px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.skip-link { position: fixed; z-index: 100; top: 12px; left: 16px; padding: 12px 18px; background: var(--ink); color: var(--canvas); transform: translateY(-180%); }
.skip-link:focus { transform: none; }
.header { position: relative; z-index: 10; }
.header-inner { min-height: 92px; display: flex; justify-content: space-between; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-family: var(--serif); font-size: 39px; font-weight: 700; letter-spacing: -1.7px; line-height: 1.2; }
.brand-name { white-space: nowrap; }
.brand-mark { width: 52px; height: 52px; object-fit: contain; flex: 0 0 auto; transition: transform .35s cubic-bezier(.2,.8,.2,1); }
.brand:hover .brand-mark { transform: rotate(-6deg) scale(1.06); }
.brand-dot { color: var(--accent); }
.navigation { display: flex; gap: 40px; color: var(--muted); font-size: 17px; }
.navigation a { padding: 12px 0; transition: color .18s; }
.navigation a:hover { color: var(--ink); }
.button { min-height: 58px; display: inline-flex; justify-content: center; align-items: center; gap: 14px; padding: 16px 25px; border: 1px solid transparent; border-radius: 7px; font-size: 18px; font-weight: 600; line-height: 1.35; text-align: center; transition: background .18s, color .18s, transform .25s; }
.button:hover:not(:disabled) { transform: translateY(-3px); }
.button:active:not(:disabled) { transform: translateY(0); }
.button-outline { color: var(--accent); border-color: var(--accent); background: transparent; min-height: 46px; padding: 10px 24px; font-size: 16px; font-weight: 400; }
.button-outline:hover { background: var(--accent); color: var(--canvas); }
.button-primary { background: var(--accent); color: var(--canvas); }
.button-primary:hover { background: #f5c37b; }
.button-dark { background: var(--canvas); color: var(--ink); border-color: var(--canvas); }
.button-dark:hover:not(:disabled) { background: #292b25; }
.button-dark:focus-visible { outline-color: var(--canvas); }
.hero { display: grid; grid-template-columns: 1.17fr 1fr; gap: 48px; min-height: 737px; align-items: center; padding-block: 30px 38px; }
.hero-copy { position: relative; z-index: 1; padding-top: 40px; }
.hero h1 { margin: 0; font-family: var(--serif); font-size: clamp(53px, 5.5vw, 86px); font-weight: 700; line-height: 1.06; letter-spacing: -3px; }
.hero h1 span { display: block; }
.accent { color: var(--accent); }
.hero-description { max-width: 630px; margin: 34px 0 38px; color: var(--muted); font-size: 26px; line-height: 1.45; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 24px 34px; }
.hero-actions .button { min-height: 68px; padding: 18px 28px; font-size: 21px; }
.text-link { display: inline-flex; gap: 14px; align-items: center; border-bottom: 1px solid #7c7e73; padding-block: 7px; font-size: 19px; line-height: 1.4; }
.text-link:hover { color: var(--accent); border-color: var(--accent); }
.text-link .icon { width: 22px; height: 22px; }
.text-link .icon { transition: transform .25s; }
.text-link:hover .icon { transform: translateX(5px); }
.release-note { margin: 21px 0 0; font-size: 15px; color: var(--muted); }
.phone-stack { position: relative; width: 100%; max-width: 610px; height: 680px; justify-self: end; }
.phone { padding: 8px; border: 2px solid #5a5e55; border-radius: 38px; background: #080907; box-shadow: 0 16px 40px #0008, inset 0 0 0 2px #181b15; }
.phone img { display: block; width: 100%; height: auto; border-radius: 28px; }
.phone-front { position: absolute; z-index: 2; width: 310px; top: 4px; left: 0; }
.phone-back { position: absolute; z-index: 1; width: 260px; top: 86px; right: 0; }
.hero-orbit { position: absolute; inset: 35px -12px 20px; pointer-events: none; overflow: hidden; }
.hero-orbit span { position: absolute; width: 94%; aspect-ratio: 1; top: 12%; left: 3%; border: 1px solid #edb25724; border-radius: 50%; }
.hero-orbit span + span { width: 115%; top: 3%; left: -7%; border-color: #edb2570d; }
.principles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); padding-block: 38px; }
.principle { display: flex; align-items: center; gap: 30px; padding: 0 42px; }
.principle + .principle { border-left: 1px solid var(--line); }
.principle:first-child { padding-left: 40px; }
.principle .icon { width: 40px; height: 40px; stroke-width: 1.2; }
.principle h2 { font-size: 18px; font-weight: 600; margin: 0 0 6px; }
.principle p { font-size: 15px; line-height: 1.6; color: var(--muted); margin: 0; }
.section-title { font-family: var(--serif); font-size: clamp(42px, 4vw, 55px); font-weight: 700; line-height: 1.08; letter-spacing: -1.7px; margin: 0; }
.story { border-top: 1px solid var(--line); margin-top: 60px; }
.story-heading { display: grid; grid-template-columns: 1fr 1fr; align-items: end; gap: 60px; padding-block: 75px; }
.story-heading p { color: var(--muted); font-size: 19px; margin: 0; }
.story-grid { display: grid; grid-template-columns: 50% 50%; position: relative; border-top: 1px solid var(--line); background: #090a08; }
.visual-column { height: 100vh; height: 100svh; min-height: 560px; position: sticky; top: 0; align-self: start; display: grid; place-items: center; overflow: hidden; border-right: 1px solid var(--line); background: radial-gradient(circle at 50% 45%, #241c11, #0c0d0b 50%, #090a08 80%); }
.story-orbit { position: absolute; width: min(78%, 600px); aspect-ratio: 1; pointer-events: none; }
.story-orbit span { position: absolute; inset: 0; border: 1px solid #edb25726; border-radius: 50%; }
.story-orbit span + span { inset: -45px; border-color: #edb2570d; }
.story-phone-depth { position: relative; z-index: 1; }
.phone-shell { width: min(300px, calc((100svh - 150px) * .45)); aspect-ratio: 576 / 1280; position: relative; overflow: hidden; padding: 8px; border: 1px solid #6e665e; border-radius: 39px; background: #0a0a09; box-shadow: 0 35px 70px #0009; }
.phone-screen { position: absolute; inset: 8px; width: calc(100% - 16px); height: calc(100% - 16px); object-fit: cover; border-radius: 31px; opacity: 0; transform: scale(1.025); transition: opacity .55s ease, transform .7s ease; }
.phone-screen.is-active { opacity: 1; transform: scale(1); }
.visual-count { position: absolute; top: 32px; right: 36px; font: 32px var(--serif); color: var(--accent); }
.visual-count span { font: 13px var(--sans); color: var(--muted); }
.visual-label { position: absolute; bottom: 35px; left: 36px; color: var(--muted); text-transform: uppercase; font-size: 11px; letter-spacing: .15em; }
.story-progress { position: absolute; bottom: 0; left: 0; width: 100%; height: 2px; background: var(--line); }
.story-progress span { display: block; width: 100%; height: 100%; background: var(--accent); transform: scaleX(.25); transform-origin: left; transition: transform .55s ease; }
.chapter { min-height: 92vh; min-height: 92svh; display: flex; align-items: center; padding: 95px clamp(32px, 6vw, 100px); border-bottom: 1px solid var(--line); border-left: 2px solid transparent; transition: border-color .35s ease; }
.chapter.is-active { border-left-color: var(--accent); }
.chapter-inner { width: 100%; max-width: 630px; min-width: 0; }
.chapter-index { color: var(--accent); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .18em; }
.chapter h3 { font: 700 clamp(46px, 4.8vw, 74px)/1.04 var(--serif); letter-spacing: -.04em; margin: 24px 0 30px; overflow-wrap: break-word; }
.chapter p { color: var(--muted); font-size: 18px; line-height: 1.75; margin: 0; }
.chapter-list { list-style: none; padding: 0; margin: 30px 0 0; }
.chapter-list li { display: flex; align-items: flex-start; gap: 12px; padding: 14px 0; border-top: 1px solid var(--line); font-size: 14px; }
.chapter-list .icon { color: var(--accent); width: 18px; height: 22px; }
.chapter-list li { transition: border-color .25s; }
.chapter-list li:hover { border-color: var(--accent); }
.mobile-shot { display: none; }
.download-band { position: relative; isolation: isolate; overflow: hidden; background: var(--accent); color: var(--canvas); padding-block: 58px 26px; }
.download-wave-depth { position: absolute; z-index: -1; width: 520px; height: 440px; top: -70px; right: 18%; pointer-events: none; opacity: .075; }
.download-wave { display: flex; align-items: center; justify-content: center; gap: 20px; height: 100%; transform: rotate(-18deg); }
.download-wave span { width: 14px; height: 90px; border-radius: 10px; background: var(--canvas); }
.download-wave span:nth-child(2), .download-wave span:nth-child(6) { height: 180px; }
.download-wave span:nth-child(3), .download-wave span:nth-child(5) { height: 280px; }
.download-wave span:nth-child(4) { height: 370px; }
.download-layout { max-width: 1240px; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 48px; }
.download-layout h2 { margin: 0; font-family: var(--serif); font-size: clamp(42px, 4vw, 60px); letter-spacing: -1.8px; line-height: 1.05; }
.download-actions { max-width: 330px; text-align: center; }
.download-actions .button { min-height: 60px; padding-inline: 28px; white-space: nowrap; }
.download-meta { font-size: 14px; margin: 12px 0 0; }
.download-status { font-size: 14px; line-height: 1.5; margin: 12px 0 0; }
.download-status:empty { display: none; }
.download-status.is-error { font-weight: 600; }
.download-footnote { max-width: 1240px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 32px; border-top: 1px solid #11121042; padding-top: 20px; margin-top: 36px; font-size: 13px; }
.questions { max-width: 1240px; display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; padding-block: 85px; }
.questions .section-title { font-size: 45px; }
.question-illustration { margin-top: 34px; width: 124px; height: 124px; color: var(--accent); opacity: .16; }
.question-illustration .icon { width: 100%; height: 100%; stroke-width: .7; }
.faq-list { min-width: 0; }
.faq-list details { border-bottom: 1px solid #565a50; }
.faq-list summary { display: flex; justify-content: space-between; align-items: center; gap: 24px; list-style: none; padding: 20px 0; cursor: pointer; font-size: 17px; line-height: 1.5; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary .icon { width: 20px; height: 20px; transition: transform .18s; }
.faq-list details[open] summary .icon { transform: rotate(180deg); }
.faq-list details[open] summary { color: var(--accent); }
.faq-list details p { color: var(--muted); margin: 0; padding: 0 40px 25px 0; font-size: 16px; line-height: 1.7; }
.footer { display: flex; justify-content: space-between; align-items: center; gap: 30px; border-top: 1px solid #565a50; padding-block: 30px 40px; }
.footer-contact { text-align: right; }
.footer-contact a { font-size: 15px; }
.footer-contact a:hover { color: var(--accent); }
.footer-contact p { font-size: 12px; color: var(--muted); margin: 7px 0 0; }
.motion-toggle { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 6px 0; margin-top: 5px; background: transparent; color: var(--muted); border: 0; font-size: 13px; }
.motion-toggle[aria-pressed="true"] #motion-state { color: var(--accent); }
.motion-toggle:hover { color: var(--ink); }
@media (min-width: 1700px) { .hero { min-height: 800px; } }
@media (max-width: 1280px) {
    .container { width: calc(100% - 80px); }
    .hero { gap: 28px; min-height: 675px; }
    .hero-copy { padding-top: 0; }
    .hero h1 { font-size: 5.2vw; letter-spacing: -2px; }
    .hero-description { font-size: 20px; }
    .hero-actions { gap: 18px 24px; }
    .hero-actions .button { font-size: 18px; }
    .text-link { font-size: 16px; }
    .phone-stack { height: 590px; }
    .phone-front { width: 265px; }
    .phone-back { width: 215px; top: 94px; }
    .principle { gap: 20px; padding-inline: 24px; }
    .principle:first-child { padding-left: 24px; }
    .desktop-break { display: none; }
}
@media (max-width: 991.98px) {
    .story-grid { display: block; }
    .visual-column { display: none; }
    .chapter { min-height: auto; padding: 65px max(24px, calc((100% - 720px) / 2)); border-left: 0; }
    .chapter h3 { font-size: clamp(36px, 6vw, 58px); }
    .mobile-shot { display: block; width: min(100%, 270px); margin: 0 auto 48px; padding: 7px; border: 1px solid #5f5750; border-radius: 30px; background: #0b0b0a; }
    .mobile-shot img { display: block; width: 100%; height: auto; aspect-ratio: 576 / 1280; object-fit: cover; border-radius: 23px; }
}
@media (max-width: 960px) {
    .container { width: calc(100% - 48px); }
    .navigation { gap: 22px; font-size: 15px; }
    .brand { font-size: 34px; }
    .hero { grid-template-columns: 1.1fr 1fr; gap: 24px; min-height: 580px; }
    .hero h1 { font-size: 5.6vw; letter-spacing: -1.8px; }
    .hero-description { font-size: 17px; margin-block: 24px; }
    .hero-actions .button { min-height: 56px; padding: 14px 18px; font-size: 16px; }
    .phone-stack { height: 510px; }
    .phone-front { width: 220px; }
    .phone-back { width: 175px; top: 105px; }
    .phone { padding: 6px; border-radius: 28px; }
    .phone img { border-radius: 20px; }
    .principles { padding-block: 30px; }
    .principle { padding-inline: 16px; gap: 16px; align-items: flex-start; }
    .principle:first-child { padding-left: 0; }
    .principle .icon { width: 30px; height: 30px; }
    .principle h2 { font-size: 16px; }
    .principle p { font-size: 13px; }
    .section-title { font-size: 42px; }
    .download-layout { gap: 30px; }
    .download-layout h2 { font-size: 43px; }
    .download-actions .button { font-size: 16px; padding-inline: 20px; }
    .questions { gap: 40px; }
    .questions .section-title { font-size: 38px; }
}
@media (max-width: 800px) {
    html { scroll-padding-top: 24px; }
    .container { width: calc(100% - 40px); }
    .header-inner { min-height: 82px; gap: 20px; }
    .navigation { display: none; }
    .brand { font-size: 33px; }
    .brand { gap: 9px; }
    .brand-mark { width: 40px; height: 40px; }
    .header-download { font-size: 14px; padding: 10px 18px; min-height: 44px; }
    .hero { grid-template-columns: 1fr; gap: 38px; padding-block: 40px 30px; }
    .hero h1 { font-size: clamp(33px, 9vw, 62px); letter-spacing: -1.5px; line-height: 1.12; }
    .hero-description { max-width: 490px; font-size: 18px; margin-block: 24px; }
    .hero-actions { gap: 20px 26px; }
    .hero-actions .button { min-height: 58px; font-size: 17px; padding: 17px 22px; }
    .text-link { font-size: 16px; min-height: 44px; }
    .release-note { font-size: 13px; margin-top: 18px; }
    .phone-stack { justify-self: center; width: 100%; max-width: 390px; height: 535px; }
    .phone-front { width: 226px; left: 0; top: 0; }
    .phone-back { width: 190px; right: 0; top: 68px; }
    .principles { grid-template-columns: 1fr; padding-block: 0 10px; }
    .principle, .principle:first-child { padding: 25px 4px; gap: 24px; }
    .principle + .principle { border-left: 0; border-top: 1px solid var(--line); }
    .principle .icon { width: 34px; height: 34px; }
    .principle h2 { font-size: 18px; }
    .principle p { font-size: 15px; }
    .section-title { font-size: clamp(32px, 8vw, 52px); letter-spacing: -1.3px; }
    .story { margin-top: 35px; }
    .story-heading { grid-template-columns: 1fr; gap: 25px; padding-block: 55px; }
    .story-heading p { font-size: 17px; }
    .chapter p { font-size: 17px; }
    .chapter-list li { font-size: 13px; }
    .mobile-shot { width: 235px; margin-bottom: 38px; }
    .download-wave-depth { right: -150px; opacity: .05; }
    .question-illustration { display: none; }
    .download-band { padding-block: 40px 25px; }
    .download-layout { grid-template-columns: 1fr; gap: 30px; }
    .download-layout h2 { font-size: clamp(36px, 7vw, 47px); letter-spacing: -1.2px; }
    .download-actions { text-align: left; max-width: 100%; }
    .download-actions .button { padding-inline: 25px; font-size: 17px; }
    .download-meta { font-size: 13px; }
    .download-footnote { margin-top: 28px; font-size: 12px; gap: 7px; flex-direction: column; }
    .questions { grid-template-columns: 1fr; gap: 24px; padding-block: 55px; }
    .questions .section-title { font-size: 39px; }
    .questions .section-title br { display: none; }
    .faq-list summary { min-height: 65px; font-size: 16px; }
    .faq-list details p { padding-right: 0; font-size: 15px; }
    .footer { align-items: flex-start; padding-block: 25px 35px; gap: 20px; }
    .footer .brand { font-size: 30px; }
    .footer-contact a { font-size: 14px; }
    .footer-contact p { font-size: 10px; }
}
@media (max-width: 360px) {
    .container { width: calc(100% - 32px); }
    .header-inner { gap: 12px; }
    .header .brand { font-size: 29px; gap: 7px; }
    .header .brand-mark { width: 34px; height: 34px; }
    .header-download { font-size: 13px; padding-inline: 12px; }
    .hero h1 { font-size: 31px; letter-spacing: -1.2px; }
    .hero-description { font-size: 17px; }
    .hero-actions { gap: 14px; }
    .phone-stack { height: 460px; }
    .phone-front { width: 196px; }
    .phone-back { width: 158px; top: 67px; }
    .hero-orbit { inset-inline: 0; overflow: hidden; }
    .chapter { padding-inline: 20px; }
    .chapter h3 { font-size: 34px; }
    .mobile-shot { width: 215px; }
    .footer { flex-direction: column; }
    .footer-contact { text-align: left; }
}
@media (prefers-reduced-motion: reduce) {
    html:not([data-motion="full"]) { scroll-behavior: auto; }
    html:not([data-motion="full"]) *, html:not([data-motion="full"]) *::before, html:not([data-motion="full"]) *::after { transition: none !important; }
}
html[data-motion="reduced"] { scroll-behavior: auto; }
html[data-motion="reduced"] *, html[data-motion="reduced"] *::before, html[data-motion="reduced"] *::after { transition: none !important; }
