:root {
    color-scheme: light;
    --paper: #f7f7f5;
    --white: #ffffff;
    --ink: #0d0d0e;
    --muted: #6e6e73;
    --line: #d8d8d5;
    --blue: #0066ff;
    --aqua: #74e0d1;
    --coral: #ff7a57;
    --yellow: #ffd85a;
    --green: #2eb67d;
    --header-height: 70px;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    overflow-x: hidden;
    background: var(--paper);
    color: var(--ink);
    letter-spacing: 0;
    -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
main { min-width: 0; overflow: clip; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
img { display: block; max-width: 100%; }

.scroll-progress {
    position: fixed;
    inset: 0 0 auto;
    z-index: 120;
    height: 3px;
    background: transparent;
}
.scroll-progress span { display: block; width: 100%; height: 100%; background: var(--blue); transform: scaleX(0); transform-origin: left; }

.site-header {
    position: fixed;
    z-index: 100;
    top: 0;
    left: 50%;
    width: min(1120px, calc(100% - 40px));
    height: var(--header-height);
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    transform: translateX(-50%);
    transition: background-color .3s ease, border-color .3s ease;
    border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
    width: 100%;
    padding-inline: max(20px, calc((100% - 1120px) / 2));
    background: rgba(247,247,245,.88);
    border-color: rgba(13,13,14,.1);
    backdrop-filter: blur(18px);
}
.brand { display: inline-flex; align-items: center; gap: 10px; width: max-content; font-weight: 700; font-size: 15px; }
.brand img { width: 34px; height: 34px; border-radius: 8px; object-fit: cover; }
.desktop-nav { display: flex; align-items: center; gap: 32px; font-size: 13px; color: #333335; }
.desktop-nav a { position: relative; padding-block: 12px; }
.desktop-nav a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 7px; height: 1px; background: var(--ink); transform: scaleX(0); transition: transform .2s ease; }
.desktop-nav a:hover::after, .desktop-nav a:focus-visible::after { transform: scaleX(1); }
.nav-download { justify-self: end; display: inline-flex; align-items: center; gap: 7px; padding: 10px 15px; border-radius: 999px; background: var(--ink); color: #fff; font-size: 13px; font-weight: 650; transition: transform .2s ease, background .2s ease; }
.nav-download:hover { transform: translateY(-2px); background: var(--blue); }
.menu-button, .mobile-menu { display: none; }

.hero {
    position: relative;
    min-height: 96svh;
    padding: 142px 24px 54px;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow: hidden;
    background: var(--paper);
}
.hero-copy { position: relative; z-index: 3; max-width: 900px; text-align: center; }
.eyebrow, .section-index { margin: 0 0 24px; color: var(--blue); font-size: 12px; line-height: 1; font-weight: 750; text-transform: uppercase; }
.hero-title { margin: 0; font-size: 94px; line-height: .92; font-weight: 760; }
.hero-title span { display: inline-block; opacity: 0; transform: translateY(90px); animation: title-in .9s cubic-bezier(.16,1,.3,1) forwards; }
.hero-title span:nth-child(2) { animation-delay: .08s; }
.hero-lead { max-width: 600px; margin: 28px auto 0; color: #515156; font-size: 21px; line-height: 1.55; }
.hero-actions { margin-top: 32px; display: flex; align-items: center; justify-content: center; gap: 24px; }
.primary-button, .download-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 52px;
    padding: 0 24px;
    border-radius: 999px;
    background: var(--blue);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    box-shadow: 0 12px 34px rgba(0,102,255,.2);
    transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}
.primary-button:hover, .download-button:hover { transform: translateY(-3px); background: #0053cf; box-shadow: 0 16px 42px rgba(0,102,255,.28); }
.text-link { font-size: 15px; font-weight: 650; }
.text-link span { display: inline-block; transition: transform .2s ease; }
.text-link:hover span { transform: translate(3px, 3px); }
.hero-meta { margin: 19px 0 0; display: flex; justify-content: center; gap: 22px; color: #85858a; font-size: 12px; }
.hero-meta span + span::before { content: ""; display: inline-block; width: 3px; height: 3px; margin: 0 11px 3px 0; border-radius: 50%; background: #aaa; }
.reveal-item { opacity: 0; transform: translateY(18px); animation: soft-in .8s .32s cubic-bezier(.16,1,.3,1) forwards; }
.hero-lead.reveal-item { animation-delay: .2s; }
.hero-actions.reveal-item { animation-delay: .3s; }
.hero-meta.reveal-item { animation-delay: .4s; }
.hero-stage { position: relative; z-index: 1; width: min(1120px, 100%); height: 330px; margin-top: 28px; display: grid; place-items: center; }
.app-icon-wrap { position: relative; width: 230px; height: 230px; perspective: 900px; }
.hero-app-icon { position: relative; z-index: 2; width: 100%; height: 100%; object-fit: cover; border-radius: 52px; border: 1px solid rgba(0,0,0,.12); box-shadow: 0 34px 60px rgba(0,0,0,.2); animation: icon-float 5s ease-in-out infinite; will-change: transform; }
.icon-shadow { position: absolute; z-index: 0; left: 12%; right: 12%; bottom: -34px; height: 24px; background: rgba(0,0,0,.2); filter: blur(15px); transform: scaleX(.8); animation: shadow-breathe 5s ease-in-out infinite; }
.stage-word { position: absolute; top: 50%; margin: 0; color: #d8d8d4; font-size: 122px; line-height: 1; font-weight: 800; pointer-events: none; }
.stage-word-left { right: calc(50% + 124px); transform: translateY(-50%); }
.stage-word-right { left: calc(50% + 124px); transform: translateY(-50%); }
.next-section-cue { position: absolute; bottom: 18px; width: 26px; height: 42px; border: 1px solid #b9b9b6; border-radius: 16px; }
.next-section-cue span { position: absolute; top: 8px; left: 11px; width: 3px; height: 7px; border-radius: 2px; background: var(--ink); animation: cue 1.8s ease-in-out infinite; }

.manifesto { position: relative; min-height: 720px; overflow: hidden; display: grid; place-items: center; background: var(--ink); color: #fff; }
.manifesto-inner { position: relative; z-index: 2; width: min(1100px, calc(100% - 48px)); padding: 100px 0; }
.manifesto .section-index { color: var(--aqua); }
.manifesto h2 { max-width: 950px; margin: 0; font-size: 72px; line-height: 1.08; font-weight: 700; }
.manifesto-inner > p:last-child { max-width: 480px; margin: 34px 0 0 auto; color: #b6b6ba; font-size: 18px; line-height: 1.7; }
.manifesto-line { position: absolute; top: 50%; left: 0; display: flex; width: max-content; color: #242426; font-size: 168px; font-weight: 800; white-space: nowrap; transform: translateY(-50%) rotate(-4deg); }
.manifesto-line div { animation: marquee 24s linear infinite; }

.experience { padding: 150px 0 80px; background: var(--white); }
.experience-intro { width: min(1120px, calc(100% - 48px)); margin: 0 auto 110px; }
.experience-intro h2, .moments-heading h2, .download-heading h2 { margin: 0; font-size: 68px; line-height: 1.08; font-weight: 700; }
.experience-intro > p:last-child { max-width: 460px; margin: 30px 0 0 56%; color: var(--muted); font-size: 17px; line-height: 1.7; }
.experience-stage { width: min(1120px, calc(100% - 48px)); margin: 0 auto; display: grid; grid-template-columns: minmax(320px, .9fr) minmax(420px, 1.1fr); gap: 120px; align-items: start; }
.phone-wrap { position: sticky; top: 95px; height: calc(100svh - 120px); min-height: 690px; display: grid; place-items: center; perspective: 1300px; }
.phone { position: relative; width: 360px; height: 740px; padding: 10px; border-radius: 54px; background: #09090a; box-shadow: 0 40px 90px rgba(0,0,0,.22), inset 0 0 0 1px #3d3d3f; transform-style: preserve-3d; transition: transform .18s ease-out; }
.phone-speaker { position: absolute; z-index: 4; top: 18px; left: 50%; width: 82px; height: 22px; transform: translateX(-50%); border-radius: 16px; background: #09090a; }
.phone-screen { position: relative; height: 100%; overflow: hidden; border-radius: 45px; background: #f5f5f2; }
.phone-status { height: 38px; padding: 13px 20px 0; display: flex; justify-content: space-between; font-size: 10px; font-weight: 700; }
.phone-topbar { padding: 20px 20px 18px; display: flex; align-items: center; justify-content: space-between; }
.phone-kicker { display: block; margin-bottom: 4px; color: var(--blue); font-size: 8px; font-weight: 800; }
.phone-topbar strong { font-size: 22px; }
.phone-topbar img { width: 36px; height: 36px; border-radius: 8px; object-fit: cover; }
.preview-screen { position: absolute; inset: 112px 0 66px; padding: 0 16px 18px; opacity: 0; transform: translateX(24px); pointer-events: none; transition: opacity .35s ease, transform .45s cubic-bezier(.16,1,.3,1); }
.preview-screen.is-active { opacity: 1; transform: translateX(0); pointer-events: auto; }
.featured-post { min-height: 254px; padding: 24px; display: flex; flex-direction: column; background: var(--ink); color: #fff; border-radius: 8px; }
.post-label { display: flex; align-items: center; gap: 7px; color: #bcbcc1; font-size: 10px; }
.post-label span { width: 7px; height: 7px; border-radius: 50%; background: var(--coral); box-shadow: 0 0 0 5px rgba(255,122,87,.14); }
.featured-post h3 { margin: auto 0 10px; max-width: 220px; font-size: 27px; line-height: 1.16; }
.featured-post p { margin: 0; color: #bcbcc1; font-size: 11px; line-height: 1.55; }
.post-meta { margin-top: 18px; padding-top: 12px; display: flex; justify-content: space-between; border-top: 1px solid #343437; color: #f2f2f2; font-size: 9px; }
.topic-row { margin-top: 8px; padding: 11px; display: grid; grid-template-columns: 42px 1fr auto; align-items: center; gap: 10px; background: #fff; border-bottom: 1px solid #e5e5e2; }
.topic-row img { width: 42px; height: 42px; border-radius: 7px; object-fit: cover; }
.topic-row strong, .topic-row span { display: block; }
.topic-row strong { font-size: 12px; }
.topic-row div span { margin-top: 4px; color: #88888d; font-size: 9px; }
.topic-row > span { color: var(--blue); }
.screen-label { margin: 0 0 13px; font-size: 12px; font-weight: 700; }
.discover-grid { display: grid; gap: 8px; }
.discover-tile { min-height: 120px; padding: 18px; display: flex; flex-direction: column; justify-content: space-between; border-radius: 8px; color: var(--ink); }
.discover-tile span { font-size: 10px; }
.discover-tile strong { max-width: 210px; font-size: 20px; line-height: 1.2; }
.discover-tile.coral { background: var(--coral); }
.discover-tile.yellow { background: var(--yellow); }
.discover-tile.blue { background: #82b4ff; }
.message-row { padding: 15px 0; display: grid; grid-template-columns: 42px 1fr auto; gap: 10px; align-items: center; border-bottom: 1px solid #ddd; }
.avatar { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%; font-size: 12px; font-weight: 800; }
.avatar.coral { background: var(--coral); }.avatar.blue { background: #82b4ff; }.avatar.green { background: var(--aqua); }
.message-row strong { font-size: 12px; }.message-row p { margin: 4px 0 0; color: #777; font-size: 9px; }.message-row time { color: #999; font-size: 8px; }
.profile-head { padding: 30px 15px; display: flex; flex-direction: column; align-items: center; text-align: center; }
.profile-head img { width: 78px; height: 78px; border-radius: 18px; object-fit: cover; }
.profile-head strong { margin-top: 14px; font-size: 18px; }.profile-head span { margin-top: 6px; color: #777; font-size: 10px; }
.profile-stats { padding: 18px 5px; display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid #ddd; }
.profile-stats span { text-align: center; color: #777; font-size: 9px; }.profile-stats strong { display: block; margin-bottom: 5px; color: var(--ink); font-size: 16px; }
.profile-banner { margin-top: 14px; padding: 16px; border-radius: 8px; background: var(--aqua); font-size: 12px; font-weight: 750; }
.phone-tabs { position: absolute; inset: auto 0 0; height: 66px; padding: 7px 10px 9px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid #e0e0dd; background: rgba(255,255,255,.94); backdrop-filter: blur(12px); }
.phone-tabs button { appearance: none; padding: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; border: 0; background: transparent; color: #9a9a9f; font-size: 8px; cursor: pointer; }
.phone-tabs button span { font-size: 18px; line-height: 1; }
.phone-tabs button.is-active { color: var(--blue); font-weight: 700; }
.story-list { padding: 20vh 0 10vh; }
.story { min-height: 70vh; padding: 18vh 0 80px; border-top: 1px solid var(--line); opacity: .28; transition: opacity .4s ease; }
.story.is-active { opacity: 1; }
.story > span { color: var(--blue); font-size: 12px; font-weight: 800; }
.story h3 { max-width: 520px; margin: 22px 0 20px; font-size: 43px; line-height: 1.14; }
.story p { max-width: 420px; margin: 0; color: var(--muted); font-size: 17px; line-height: 1.7; }

.moments { padding: 150px 0; overflow: hidden; background: #eaf0ff; }
.moments-heading { width: min(1120px, calc(100% - 48px)); margin: 0 auto 78px; }
.category-track { width: max-content; padding: 0 max(24px, calc((100vw - 1120px) / 2)); display: flex; gap: 16px; animation: track-drift 18s ease-in-out infinite alternate; }
.category-item { width: 330px; min-height: 410px; padding: 28px; display: flex; flex-direction: column; border-radius: 8px; }
.category-item img { width: 150px; height: 150px; margin: 8px auto 42px; object-fit: contain; transition: transform .35s cubic-bezier(.16,1,.3,1); }
.category-item:hover img { transform: translateY(-8px) rotate(3deg) scale(1.05); }
.category-item span { font-size: 12px; font-weight: 800; }
.category-item strong { max-width: 240px; margin-top: auto; font-size: 29px; line-height: 1.18; }
.category-item.aqua { background: var(--aqua); }.category-item.coral { background: var(--coral); }.category-item.ink { background: var(--ink); color: #fff; }.category-item.yellow { background: var(--yellow); }

.download { position: relative; padding: 150px 24px; background: var(--paper); }
.download-heading, .download-layout { width: min(1120px, 100%); margin-inline: auto; }
.download-heading img { width: 100px; height: 100px; margin-bottom: 36px; border-radius: 22px; object-fit: cover; box-shadow: 0 18px 45px rgba(0,0,0,.16); }
.download-heading > p:last-child { max-width: 530px; margin: 24px 0 0; color: var(--muted); font-size: 17px; line-height: 1.65; }
.download-layout { margin-top: 80px; padding-top: 48px; display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; border-top: 1px solid var(--line); }
.version-details > div { min-height: 66px; display: flex; align-items: center; justify-content: space-between; gap: 30px; border-bottom: 1px solid var(--line); }
.version-details span { color: var(--muted); font-size: 13px; }.version-details strong { font-size: 14px; text-align: right; }
.download-action > p { margin: 0 0 16px; font-size: 23px; font-weight: 720; }
.download-action ul { margin: 0 0 26px; padding: 0; list-style: none; color: var(--muted); font-size: 14px; line-height: 1.75; }
.download-action li::before { content: ""; display: inline-block; width: 5px; height: 5px; margin: 0 9px 2px 0; border-radius: 50%; background: var(--green); }
.download-button { width: 100%; min-height: 74px; justify-content: flex-start; padding: 12px 22px; border-radius: 8px; }
.download-symbol { width: 42px; height: 42px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 50%; background: rgba(255,255,255,.16); font-size: 22px; }
.download-button > span:last-child { display: flex; flex-direction: column; gap: 3px; }.download-button strong { font-size: 15px; }.download-button small { color: rgba(255,255,255,.72); font-size: 11px; font-weight: 500; }
.download-button.is-loading, .download-button[aria-disabled="true"] { background: #9b9b9e; box-shadow: none; cursor: not-allowed; }
.download-button.is-loading:hover, .download-button[aria-disabled="true"]:hover { transform: none; }
.integrity-row { min-height: 42px; margin-top: 11px; display: flex; justify-content: space-between; align-items: center; gap: 16px; color: #8b8b90; font-size: 10px; }
.integrity-row span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.integrity-row button { flex: 0 0 auto; padding: 0; border: 0; border-bottom: 1px solid currentColor; background: transparent; color: var(--ink); font-size: 11px; cursor: pointer; }

.site-footer { padding: 58px max(24px, calc((100% - 1120px) / 2)); display: grid; grid-template-columns: 1fr auto; gap: 26px; align-items: center; background: var(--ink); color: #fff; }
.footer-brand img { width: 40px; height: 40px; }.site-footer p { grid-column: 1; margin: 0; color: #8f8f94; font-size: 13px; }.site-footer nav { grid-column: 2; grid-row: 1 / 3; display: flex; gap: 26px; color: #b7b7bb; font-size: 12px; }.site-footer nav a:hover { color: #fff; }.site-footer small { grid-column: 1 / -1; padding-top: 24px; border-top: 1px solid #29292c; color: #707075; }
.toast { position: fixed; z-index: 130; left: 50%; bottom: 28px; max-width: calc(100% - 40px); padding: 12px 18px; border-radius: 999px; background: var(--ink); color: #fff; font-size: 13px; opacity: 0; transform: translate(-50%, 18px); pointer-events: none; transition: opacity .25s ease, transform .25s ease; }
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

[data-reveal] { opacity: 0; transform: translateY(40px); transition: opacity .8s ease, transform .9s cubic-bezier(.16,1,.3,1); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@keyframes title-in { to { opacity: 1; transform: translateY(0); } }
@keyframes soft-in { to { opacity: 1; transform: translateY(0); } }
@keyframes icon-float { 0%,100% { transform: translateY(0) rotateX(0) rotateY(0); } 50% { transform: translateY(-15px) rotateX(3deg) rotateY(-4deg); } }
@keyframes shadow-breathe { 0%,100% { opacity: .7; transform: scaleX(.82); } 50% { opacity: .38; transform: scaleX(.65); } }
@keyframes cue { 0% { opacity: 0; transform: translateY(0); } 40% { opacity: 1; } 100% { opacity: 0; transform: translateY(14px); } }
@keyframes marquee { to { transform: translateX(-100%); } }
@keyframes track-drift { to { transform: translateX(min(-12vw, -180px)); } }

@media (max-width: 900px) {
    :root { --header-height: 62px; }
    .site-header { width: calc(100% - 32px); grid-template-columns: 1fr auto auto; gap: 8px; }
    .site-header.is-scrolled { padding-inline: 16px; }
    .desktop-nav { display: none; }
    .nav-download { min-height: 40px; padding: 8px 13px; font-size: 12px; }
    .menu-button { justify-self: end; width: 40px; height: 40px; padding: 0; display: grid; place-content: center; gap: 6px; border: 0; background: transparent; }
    .menu-button span { display: block; width: 20px; height: 1.5px; background: var(--ink); transition: transform .25s ease; }
    .menu-button[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
    .menu-button[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
    .mobile-menu { position: fixed; z-index: 90; inset: 0; padding: 102px 24px 40px; flex-direction: column; gap: 6px; background: rgba(247,247,245,.98); }
    .mobile-menu:not([hidden]) { display: flex; }
    .mobile-menu a { min-height: 54px; padding: 12px 0; display: flex; align-items: center; border-bottom: 1px solid var(--line); font-size: 26px; font-weight: 650; }
    .hero { min-height: 94svh; padding: 112px 20px 54px; }
    .hero-title { font-size: 58px; }
    .hero-lead { font-size: 17px; }
    .hero-stage { height: 270px; margin-top: 24px; }
    .app-icon-wrap { width: 180px; height: 180px; }
    .hero-app-icon { border-radius: 42px; }
    .stage-word { font-size: 68px; }
    .stage-word-left { right: calc(50% + 90px); }
    .stage-word-right { left: calc(50% + 90px); }
    .manifesto { min-height: 620px; }
    .manifesto h2, .experience-intro h2, .moments-heading h2, .download-heading h2 { font-size: 48px; }
    .manifesto-line { font-size: 110px; }
    .experience { padding-top: 110px; }
    .experience-intro { margin-bottom: 50px; }
    .experience-intro > p:last-child { margin-left: 0; }
    .experience-stage { grid-template-columns: minmax(0, 1fr); gap: 30px; }
    .phone-wrap { position: relative; top: auto; min-height: auto; height: 740px; }
    .story-list { padding: 0; }
    .story { min-height: auto; padding: 60px 0; opacity: 1; }
    .story h3 { font-size: 34px; }
    .moments { padding: 110px 0; }
    .category-track { width: 100%; padding: 0 24px 18px; gap: 14px; overflow-x: auto; overscroll-behavior-x: contain; scroll-snap-type: x mandatory; animation: none; scrollbar-width: none; }
    .category-track::-webkit-scrollbar { display: none; }
    .category-item { width: 290px; min-height: 370px; flex: 0 0 auto; scroll-snap-align: center; }
    .download { padding-block: 110px; }
    .download-layout { grid-template-columns: minmax(0, 1fr); gap: 44px; }
}

@media (max-width: 560px) {
    .site-header { width: calc(100% - 24px); }
    .site-header.is-scrolled { padding-inline: 12px; }
    .brand span { font-size: 14px; }
    .nav-download { padding-inline: 11px; }
    .hero { min-height: auto; padding: 100px 16px 62px; }
    .hero-title { font-size: 52px; }
    .hero-lead { max-width: 330px; font-size: 16px; }
    .hero-actions { flex-direction: column; gap: 17px; }
    .primary-button { width: min(300px, 100%); }
    .hero-meta { flex-direction: column; gap: 6px; }
    .hero-meta span + span::before { display: none; }
    .hero-stage { width: 100%; height: 230px; }
    .app-icon-wrap { width: 148px; height: 148px; }
    .hero-app-icon { border-radius: 34px; }
    .stage-word { font-size: 44px; color: #dededb; }
    .stage-word-left { right: calc(50% + 72px); }
    .stage-word-right { left: calc(50% + 72px); }
    .next-section-cue { display: none; }
    .manifesto-inner, .experience-intro, .experience-stage, .moments-heading { width: calc(100% - 36px); }
    .manifesto h2, .experience-intro h2, .moments-heading h2, .download-heading h2 { font-size: 39px; }
    .manifesto-inner > p:last-child { font-size: 16px; }
    .experience { padding-top: 90px; }
    .experience-intro { margin-bottom: 28px; }
    .experience-intro > p:last-child { font-size: 15px; }
    .phone-wrap { height: 635px; overflow: hidden; }
    .phone { width: min(310px, calc(100vw - 36px)); height: 636px; border-radius: 47px; }
    .phone-screen { border-radius: 39px; }
    .phone-topbar { padding-top: 16px; }
    .preview-screen { top: 106px; }
    .featured-post { min-height: 220px; }
    .story { padding-block: 48px; }
    .story h3 { font-size: 30px; }
    .moments { padding-block: 90px; }
    .moments-heading { margin-bottom: 50px; }
    .category-track { padding-inline: 18px; }
    .category-item { width: min(260px, calc(100vw - 52px)); min-height: 340px; padding: 22px; }
    .category-item img { width: 128px; height: 128px; }
    .category-item strong { font-size: 25px; }
    .download { padding: 90px 18px; }
    .download-heading img { width: 82px; height: 82px; border-radius: 18px; }
    .download-layout { margin-top: 54px; padding-top: 30px; }
    .download-action > p { font-size: 20px; }
    .download-button { min-height: 70px; padding-inline: 16px; }
    .integrity-row { align-items: flex-start; flex-direction: column; gap: 8px; }
    .integrity-row span { width: 100%; }
    .site-footer { grid-template-columns: 1fr; }
    .site-footer p, .site-footer nav, .site-footer small { grid-column: 1; grid-row: auto; }
    .site-footer nav { flex-direction: column; gap: 14px; }
}

@media (max-width: 350px) {
    .brand span { display: none; }
    .hero-title { font-size: 46px; }
    .hero-stage { height: 210px; }
    .app-icon-wrap { width: 132px; height: 132px; }
    .hero-app-icon { border-radius: 30px; }
    .stage-word { font-size: 36px; }
    .stage-word-left { right: calc(50% + 64px); }
    .stage-word-right { left: calc(50% + 64px); }
    .manifesto h2, .experience-intro h2, .moments-heading h2, .download-heading h2 { font-size: 34px; }
    .phone-wrap { height: 570px; }
    .phone { width: 276px; height: 568px; border-radius: 43px; }
    .phone-screen { border-radius: 35px; }
    .phone-topbar { padding: 14px 16px 12px; }
    .preview-screen { inset: 98px 0 62px; padding-inline: 12px; }
    .featured-post { min-height: 196px; padding: 18px; }
    .featured-post h3 { font-size: 23px; }
    .topic-row { padding: 8px; }
    .topic-row img { width: 36px; height: 36px; }
    .phone-tabs { height: 62px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
    [data-reveal], .reveal-item, .hero-title span { opacity: 1; transform: none; }
}