:root {
  --ink: #141714;
  --muted: #626861;
  --paper: #f4f5f1;
  --white: #ffffff;
  --line: #d7dad2;
  --acid: #dfff00;
  --blue: #3157ff;
  --orange: #ff6b2c;
  --cyan: #35d4d1;
  --dark: #171a18;
  --max: 1240px;
  --header: 4.5rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5.5rem; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; font-size: 1rem; line-height: 1.65; overflow-x: hidden; overflow-wrap: anywhere; }
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { color: inherit; }
svg { width: 1.1rem; height: 1.1rem; stroke-width: 2; flex: none; }
.skip-link { position: fixed; top: -4rem; left: 1rem; z-index: 999; padding: .75rem 1rem; background: var(--acid); color: var(--ink); font-weight: 800; }
.skip-link:focus { top: 1rem; }
.section { position: relative; padding: 5rem 1rem; }
.section-inner { width: 100%; max-width: var(--max); margin: 0 auto; }
.eyebrow { margin: 0 0 .75rem; color: var(--blue); font-size: .73rem; line-height: 1.2; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.eyebrow.light { color: var(--acid); }
.site-header { position: fixed; inset: 0 0 auto; z-index: 100; height: var(--header); border-bottom: 1px solid rgba(20,23,20,.1); background: rgba(244,245,241,.91); backdrop-filter: blur(16px); }
.header-inner { width: 100%; max-width: 1380px; height: 100%; margin: auto; padding: 0 1rem; display: flex; align-items: center; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .55rem; white-space: nowrap; }
.brand-mark { position: relative; width: 2.1rem; height: 2.1rem; border: .22rem solid currentColor; border-radius: 50%; display: grid; place-items: center; }
.brand-mark::before, .brand-mark::after, .brand-mark span::before, .brand-mark span::after { content: ""; position: absolute; background: currentColor; }
.brand-mark::before { width: .22rem; height: 2.65rem; }
.brand-mark::after { width: 2.65rem; height: .22rem; }
.brand-mark span { width: .52rem; height: .52rem; border-radius: 50%; background: var(--blue); z-index: 1; }
.brand-name { font-size: 1.14rem; line-height: 1; font-weight: 950; }
.brand-name span { color: var(--blue); }
.brand small { padding-left: .55rem; border-left: 1px solid var(--line); color: var(--muted); font-size: .72rem; }
.desktop-nav { display: none; margin-left: auto; align-items: center; gap: 2rem; }
.desktop-nav a { position: relative; font-size: .88rem; font-weight: 700; }
.desktop-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -.55rem; height: 2px; background: var(--blue); transition: right .25s; }
.desktop-nav a:hover::after { right: 0; }
.header-download { display: none; min-height: 2.75rem; margin-left: auto; padding: 0 1rem; align-items: center; gap: .5rem; background: var(--ink); color: white; font-size: .82rem; font-weight: 800; }
.header-download:hover { background: var(--blue); }
.menu-toggle { width: 2.75rem; height: 2.75rem; margin-left: auto; border: 1px solid var(--ink); background: transparent; display: grid; place-items: center; cursor: pointer; }
.mobile-nav { position: fixed; inset: var(--header) 0 auto; padding: 1rem; background: var(--paper); border-bottom: 1px solid var(--line); box-shadow: 0 1rem 2rem rgba(20,23,20,.1); }
.mobile-nav a { min-height: 3.2rem; display: flex; align-items: center; border-bottom: 1px solid var(--line); font-weight: 750; }

.hero { position: relative; min-height: 48rem; padding: calc(var(--header) + 2.4rem) 1rem 4.5rem; background: #f7f8f4; overflow: hidden; }
.hero-grid { position: absolute; inset: 0; opacity: .55; background-image: linear-gradient(rgba(20,23,20,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(20,23,20,.055) 1px, transparent 1px); background-size: 3.2rem 3.2rem; mask-image: linear-gradient(to bottom, black 35%, transparent 88%); }
.hero::before { content: ""; position: absolute; width: 27rem; height: 27rem; right: -16rem; top: 3rem; border: 4rem solid var(--acid); border-radius: 50%; opacity: .8; }
.hero::after { content: ""; position: absolute; width: 9rem; height: 9rem; left: -6rem; bottom: 7rem; border: 2.2rem solid var(--blue); transform: rotate(18deg); }
.hero-word { position: absolute; left: 50%; bottom: 2rem; transform: translateX(-50%); color: transparent; -webkit-text-stroke: 1px rgba(20,23,20,.08); font-size: clamp(5rem, 15vw, 13rem); font-weight: 950; line-height: .7; white-space: nowrap; pointer-events: none; }
.hero-inner { position: relative; z-index: 2; width: 100%; min-width: 0; max-width: 1380px; margin: auto; display: grid; gap: 2.8rem; align-items: center; }
.hero-copy, .hero-console { min-width: 0; }
.hero .reveal { opacity: 1; transform: none; }
.status-line { display: inline-flex; align-items: center; gap: .55rem; padding: .32rem .6rem; margin-bottom: 1.5rem; border: 1px solid #cdd0c8; background: rgba(255,255,255,.72); font-size: .7rem; font-weight: 800; }
.status-line b { padding-left: .55rem; border-left: 1px solid var(--line); color: var(--muted); }
.pulse { width: .48rem; height: .48rem; border-radius: 50%; background: #50c961; box-shadow: 0 0 0 .25rem rgba(80,201,97,.15); }
.hero h1 { margin: 0; max-width: 13ch; font-size: clamp(2.55rem, 9vw, 6.2rem); line-height: .98; letter-spacing: 0; font-weight: 950; text-transform: capitalize; }
.hero h1 span { position: relative; color: var(--blue); }
.hero h1 span::after { content: ""; position: absolute; left: 0; right: 0; bottom: .06em; height: .12em; background: var(--acid); z-index: -1; }
.hero-lead { max-width: 39rem; margin: 1.5rem 0 0; color: #4e544d; font-size: 1rem; }
.hero-lead strong { overflow-wrap: anywhere; }
.hero-lead strong { color: var(--ink); }
.hero-actions { margin-top: 1.7rem; display: grid; grid-template-columns: 1fr; gap: .75rem; }
.btn { min-height: 3.25rem; padding: .75rem 1.1rem; display: inline-flex; align-items: center; justify-content: center; gap: .65rem; border: 1px solid var(--ink); font-size: .87rem; line-height: 1; font-weight: 850; transition: transform .2s, box-shadow .2s, background .2s; }
.btn:hover { transform: translateY(-2px); box-shadow: .35rem .35rem 0 var(--ink); }
.btn-primary { background: var(--acid); }
.btn-primary small { padding-left: .65rem; border-left: 1px solid rgba(20,23,20,.35); font-size: .67rem; }
.btn-secondary { background: white; }
.btn-dark { width: 100%; background: var(--ink); color: white; }
.btn-dark:hover { background: var(--blue); box-shadow: .35rem .35rem 0 var(--acid); }
.hero-trust { margin-top: 2rem; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.hero-trust div { padding: .85rem .35rem 0 0; }
.hero-trust div + div { padding-left: .75rem; border-left: 1px solid var(--line); }
.hero-trust b, .hero-trust span { display: block; }
.hero-trust b { font-size: 1.15rem; line-height: 1.2; }
.hero-trust span { margin-top: .2rem; color: var(--muted); font-size: .68rem; }

.hero-console { position: relative; width: 100%; max-width: min(47rem, calc(100vw - 2.7rem)); margin: auto; border: 1px solid var(--ink); background: var(--dark); box-shadow: .7rem .7rem 0 var(--acid); }
.console-top { min-height: 2.7rem; padding: 0 .8rem; display: flex; align-items: center; gap: .8rem; color: white; border-bottom: 1px solid #434844; font-size: .62rem; }
.console-top > span { display: flex; gap: .3rem; }
.console-top > span i { width: .42rem; height: .42rem; border-radius: 50%; background: #5f665f; }
.console-top > span i:first-child { background: var(--orange); }
.console-top b { overflow: hidden; letter-spacing: .08em; white-space: nowrap; text-overflow: ellipsis; }
.console-top em { margin-left: auto; padding: .18rem .45rem; background: var(--acid); color: var(--ink); font-style: normal; font-weight: 850; }
.console-stage { position: relative; aspect-ratio: 16/10.1; overflow: hidden; }
.console-stage::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,15,13,.75), transparent 47%); pointer-events: none; }
.console-stage > img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.crosshair { position: absolute; z-index: 2; left: 50%; top: 48%; width: 2.1rem; height: 2.1rem; transform: translate(-50%,-50%); border: 1px solid rgba(223,255,0,.9); border-radius: 50%; }
.crosshair::before, .crosshair::after { content: ""; position: absolute; left: 50%; top: 50%; background: var(--acid); transform: translate(-50%,-50%); }
.crosshair::before { width: 2.8rem; height: 1px; }
.crosshair::after { width: 1px; height: 2.8rem; }
.crosshair span { position: absolute; left: 50%; top: 50%; width: .24rem; height: .24rem; transform: translate(-50%,-50%); background: var(--acid); }
.metric { position: absolute; z-index: 3; min-width: 7.4rem; padding: .55rem .65rem; border: 1px solid rgba(255,255,255,.42); background: rgba(16,22,19,.82); color: white; backdrop-filter: blur(8px); }
.metric small, .metric b, .metric span { display: block; }
.metric small { color: #b9c0ba; font-size: .56rem; font-weight: 800; }
.metric b { font-size: 1.3rem; line-height: 1.25; }
.metric b em { font-size: .65rem; font-style: normal; }
.metric span { color: var(--acid); font-size: .58rem; }
.metric-a { left: .8rem; bottom: .8rem; }
.metric-b { right: .8rem; top: .8rem; }
.metric-c { display: none; right: .8rem; bottom: .8rem; }
.console-bottom { min-height: 3rem; padding: .55rem .75rem; display: flex; justify-content: space-between; gap: .4rem; color: #c3c8c3; }
.console-bottom span { display: inline-flex; align-items: center; gap: .35rem; font-size: .58rem; }
.console-bottom svg { width: .85rem; color: var(--acid); }
.hero-ticker { position: absolute; z-index: 3; left: -1%; right: -1%; bottom: 0; height: 2.7rem; display: flex; align-items: center; background: var(--ink); color: white; overflow: hidden; transform: rotate(-.6deg); }
.hero-ticker div { font-size: .72rem; font-weight: 900; letter-spacing: .08em; white-space: nowrap; animation: ticker 20s linear infinite; }
.hero-ticker span { padding: 0 1rem; color: var(--acid); }
@keyframes ticker { to { transform: translateX(-35%); } }

.quick-strip { padding: 0 1rem; background: white; border-bottom: 1px solid var(--line); }
.quick-inner { max-width: var(--max); margin: auto; display: grid; grid-template-columns: 1fr 1fr; }
.strip-label { display: none; }
.quick-inner a { min-height: 6rem; padding: .8rem; display: grid; align-content: center; grid-template-columns: 1.5rem 1fr; column-gap: .45rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.quick-inner a:nth-of-type(even) { border-right: 0; }
.quick-inner a svg { grid-row: span 2; color: var(--blue); }
.quick-inner a b { font-size: .77rem; line-height: 1.25; }
.quick-inner a small { color: var(--muted); font-size: .65rem; }
.quick-inner a:hover { background: var(--acid); }

.entry-index { padding: 2.4rem 1rem; background: #e9ece5; border-bottom: 1px solid var(--line); }
.entry-index-head { margin: 0 auto 1.2rem; max-width: var(--max); display: grid; gap: .35rem; }
.entry-index-head h2 { margin: 0; font-size: clamp(1.35rem, 4vw, 2.1rem); line-height: 1.15; }
.entry-index-head p:last-child { max-width: 42rem; margin: 0; color: var(--muted); font-size: .76rem; }
.entry-grid { max-width: var(--max); margin: auto; display: grid; gap: .55rem; }
.entry-grid a { min-height: 4.7rem; padding: .7rem .8rem; display: grid; grid-template-columns: 1.8rem 1fr; column-gap: .55rem; align-content: center; border: 1px solid var(--line); background: white; }
.entry-grid a:hover { border-color: var(--blue); box-shadow: .25rem .25rem 0 var(--blue); }
.entry-grid span { grid-row: span 2; color: var(--blue); font-size: .62rem; font-weight: 850; }
.entry-grid b, .entry-grid small { display: block; }
.entry-grid b { font-size: .78rem; line-height: 1.25; }
.entry-grid small { margin-top: .2rem; color: var(--muted); font-size: .63rem; }
.entry-notes { max-width: var(--max); margin: .8rem auto 0; padding: .9rem; display: grid; gap: .55rem; border: 1px solid var(--line); background: rgba(255,255,255,.58); list-style: none; }
.entry-notes li { display: grid; gap: .12rem; }
.entry-notes b { color: var(--blue); font-size: .68rem; }
.entry-notes span { color: var(--muted); font-size: .67rem; }

.section-heading { margin-bottom: 2rem; display: grid; gap: 1rem; }
.section-heading h2, .insights-copy h2, .plan-copy h2, .faq-intro h2 { margin: 0; font-size: clamp(2rem, 7vw, 4.1rem); line-height: 1.06; letter-spacing: 0; font-weight: 920; }
.section-heading > p { max-width: 35rem; margin: 0; color: var(--muted); }
.feature-section { background: var(--paper); }
.feature-layout { display: grid; gap: 1.25rem; }
.feature-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.feature-tab { position: relative; min-height: 8.2rem; padding: .9rem; border: 0; background: white; text-align: left; cursor: pointer; transition: background .2s; }
.feature-tab > span { position: absolute; right: .65rem; top: .45rem; color: #b5b9b2; font-size: .6rem; font-weight: 850; }
.feature-tab svg { display: block; width: 1.45rem; height: 1.45rem; margin-bottom: .85rem; color: var(--blue); }
.feature-tab b, .feature-tab small { display: block; }
.feature-tab b { font-size: .82rem; }
.feature-tab small { margin-top: .2rem; color: var(--muted); font-size: .64rem; }
.feature-tab.active { background: var(--acid); }
.feature-tab.active svg { color: var(--ink); }
.feature-view { border: 1px solid var(--ink); background: var(--ink); }
.feature-view figure { position: relative; margin: 0; aspect-ratio: 16/9; overflow: hidden; }
.feature-view figure img { width: 100%; height: 100%; object-fit: cover; transition: opacity .2s; }
.feature-view figure img.changing { opacity: .2; }
.feature-view figcaption { position: absolute; left: .7rem; right: .7rem; bottom: .7rem; padding: .6rem .75rem; display: flex; justify-content: space-between; gap: 1rem; background: rgba(20,23,20,.83); color: white; backdrop-filter: blur(6px); font-size: .68rem; }
.feature-view figcaption span { color: var(--acid); font-weight: 800; }
.feature-detail { padding: 1rem; color: white; }
.feature-detail small, .feature-detail strong { display: block; }
.feature-detail small { color: #99a099; font-size: .65rem; }
.feature-detail strong { font-size: .88rem; }
.feature-detail p { margin: .85rem 0 0; color: #c8cdc8; font-size: .78rem; }
.level-bars { height: 2.8rem; margin-top: .8rem; display: flex; gap: .4rem; align-items: end; }
.level-bars span { width: .45rem; background: var(--acid); }
.level-bars span:nth-child(1) { height: 92%; }
.level-bars span:nth-child(2) { height: 75%; }
.level-bars span:nth-child(3) { height: 84%; }
.level-bars span:nth-child(4) { height: 62%; }

.insights-section { background: var(--dark); color: white; overflow: hidden; }
.insights-bg { position: absolute; right: -1rem; top: -.2em; color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.08); font-size: clamp(4rem, 14vw, 12rem); line-height: 1; font-weight: 950; white-space: nowrap; }
.insights-grid { position: relative; display: grid; gap: 2.5rem; align-items: center; }
.insights-copy > p:not(.eyebrow) { max-width: 34rem; color: #bfc5bf; }
.check-list { margin: 1.5rem 0; padding: 0; list-style: none; }
.check-list li { padding: .85rem 0; display: flex; gap: .75rem; border-top: 1px solid #383d39; color: #cbd0cb; }
.check-list li:last-child { border-bottom: 1px solid #383d39; }
.check-list svg { margin-top: .2rem; color: var(--acid); }
.check-list b { display: block; color: white; }
.text-link { display: inline-flex; align-items: center; gap: .5rem; color: var(--blue); font-weight: 850; border-bottom: 1px solid currentColor; }
.insights-section .text-link { color: var(--acid); }
.analysis-board { position: relative; padding: .55rem; border: 1px solid #585f59; background: #242925; box-shadow: .75rem .75rem 0 var(--blue); }
.analysis-image { aspect-ratio: 16/10; overflow: hidden; }
.analysis-image img { width: 100%; height: 100%; object-fit: cover; }
.score-panel { margin-top: .55rem; padding: .9rem; display: grid; grid-template-columns: 5.4rem 1fr; gap: 1rem; align-items: center; background: #111412; }
.score-ring { width: 5.4rem; height: 5.4rem; display: grid; place-content: center; border: .42rem solid var(--acid); border-right-color: #394039; border-radius: 50%; text-align: center; line-height: 1; }
.score-ring span { font-size: .55rem; color: #aeb5ae; }
.score-ring b { font-size: 1.45rem; }
.score-ring small { font-size: .55rem; }
.score-data p { position: relative; margin: 0 0 .65rem; padding-bottom: .38rem; display: flex; justify-content: space-between; gap: .5rem; font-size: .64rem; }
.score-data p:last-child { margin: 0; }
.score-data p i { position: absolute; left: 0; bottom: 0; width: 100%; height: .18rem; background: #3b413c; }
.score-data p i::after { content: ""; display: block; height: 100%; background: var(--cyan); }
.score-data p:nth-child(1) i::after { width: 89.6%; }
.score-data p:nth-child(2) i::after { width: 78%; }
.score-data p:nth-child(3) i::after { width: 84.5%; }

.modes-section { background: #eef0eb; }
.mode-gallery { display: grid; gap: .75rem; }
.mode-gallery article { position: relative; min-height: 18rem; overflow: hidden; background: var(--ink); color: white; }
.mode-gallery img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; transition: transform .45s; }
.mode-gallery article::after { content: ""; position: absolute; inset: 35% 0 0; background: linear-gradient(transparent, rgba(10,12,10,.9)); }
.mode-gallery article:hover img { transform: scale(1.035); }
.mode-gallery article > div { position: absolute; z-index: 2; left: 1rem; right: 1rem; bottom: 1rem; }
.mode-gallery span { color: var(--acid); font-size: .63rem; font-weight: 850; }
.mode-gallery h3 { margin: .15rem 0; font-size: 1.55rem; }
.mode-gallery p { margin: 0; color: #d3d8d3; font-size: .78rem; }

.plan-section { background: white; }
.plan-grid { display: grid; gap: 2rem; align-items: center; }
.plan-copy > p:not(.eyebrow) { max-width: 35rem; color: var(--muted); }
.plan-controls { max-width: 34rem; margin-top: 2rem; display: grid; gap: 1.4rem; }
.plan-controls fieldset { margin: 0; padding: 0; border: 0; }
.plan-controls legend { width: 100%; margin-bottom: .6rem; display: flex; justify-content: space-between; font-size: .76rem; font-weight: 800; }
.plan-controls output { color: var(--blue); }
.segmented { display: grid; grid-template-columns: repeat(3,1fr); border: 1px solid var(--ink); }
.segmented button { min-height: 2.75rem; border: 0; border-right: 1px solid var(--ink); background: white; font-size: .78rem; font-weight: 800; cursor: pointer; }
.segmented button:last-child { border-right: 0; }
.segmented button.active { background: var(--acid); }
input[type="range"] { width: 100%; height: 1.5rem; margin: 0; accent-color: var(--blue); cursor: pointer; }
.range-labels { display: flex; justify-content: space-between; color: var(--muted); font-size: .6rem; }
.routine-board { padding: 1rem; border: 1px solid var(--ink); background: var(--paper); box-shadow: .7rem .7rem 0 var(--orange); }
.routine-head { padding: .25rem 0 1rem; display: flex; justify-content: space-between; align-items: center; border-bottom: 2px solid var(--ink); }
.routine-head span { font-size: .67rem; font-weight: 850; }
.routine-head b { font-size: 1.7rem; line-height: 1; }
.routine-board ol { margin: 0; padding: 0; list-style: none; }
.routine-board li { min-height: 5rem; padding: .75rem 0; display: grid; grid-template-columns: 2.1rem 1fr auto; gap: .65rem; align-items: center; border-bottom: 1px solid var(--line); }
.routine-board li > span { width: 1.8rem; height: 1.8rem; display: grid; place-items: center; background: var(--ink); color: white; font-size: .6rem; font-weight: 850; }
.routine-board li b, .routine-board li small { display: block; }
.routine-board li b { font-size: .78rem; }
.routine-board li small { color: var(--muted); font-size: .62rem; }
.routine-board time { color: var(--blue); font-size: .7rem; font-weight: 850; }
.routine-board .btn { margin-top: 1rem; }

.download-section { background: var(--blue); color: white; overflow: hidden; }
.download-word { position: absolute; left: 50%; top: -.15em; transform: translateX(-50%); color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.15); font-size: clamp(5rem, 17vw, 13rem); font-weight: 950; line-height: 1; white-space: nowrap; }
.download-panel { position: relative; padding: 1.1rem; display: grid; gap: 1.5rem; border: 1px solid rgba(255,255,255,.6); background: rgba(20,23,20,.92); box-shadow: .75rem .75rem 0 var(--acid); }
.download-main { display: grid; gap: 1rem; }
.app-icon { position: relative; width: 4.7rem; height: 4.7rem; display: grid; place-items: center; border: 2px solid white; border-radius: .5rem; background: var(--blue); }
.app-icon::before, .app-icon::after { content: ""; position: absolute; background: white; }
.app-icon::before { width: 2px; height: 3.5rem; }
.app-icon::after { width: 3.5rem; height: 2px; }
.app-icon span { width: 1.05rem; height: 1.05rem; border-radius: 50%; background: var(--acid); z-index: 1; }
.download-main h2 { margin: 0; font-size: clamp(2rem, 7vw, 4rem); line-height: 1.05; }
.download-main p:not(.eyebrow) { max-width: 38rem; margin: .8rem 0 0; color: #cbd0cb; }
.app-meta { margin-top: 1rem; display: flex; flex-wrap: wrap; gap: .5rem 1rem; }
.app-meta span { display: inline-flex; align-items: center; gap: .35rem; font-size: .7rem; }
.app-meta svg { color: var(--acid); }
.download-cta { min-height: 5rem; padding: 1rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; background: var(--acid); color: var(--ink); }
.download-cta small, .download-cta b { display: block; }
.download-cta small { font-size: .6rem; }
.download-cta b { font-size: 1rem; }
.download-cta > svg { width: 1.5rem; height: 1.5rem; }
.download-cta:hover { background: white; }
.install-flow { margin-top: 2.2rem; display: grid; border: 1px solid rgba(255,255,255,.3); }
.install-flow article { position: relative; min-height: 8.5rem; padding: 1rem; display: grid; grid-template-columns: 2.4rem 1fr; gap: .8rem; align-content: center; border-bottom: 1px solid rgba(255,255,255,.3); }
.install-flow article:last-child { border-bottom: 0; }
.install-flow article > span { position: absolute; right: .75rem; top: .5rem; color: rgba(255,255,255,.26); font-size: 2rem; font-weight: 950; }
.install-flow article > svg { color: var(--acid); width: 1.6rem; height: 1.6rem; }
.install-flow h3 { margin: 0; font-size: .9rem; }
.install-flow p { margin: .15rem 0 0; color: #ccd2cc; font-size: .7rem; }
.keyword-index { margin-top: 1.5rem; color: #dfe4df; font-size: .7rem; }
.keyword-index p { margin: 0; display: flex; flex-wrap: wrap; gap: .35rem .8rem; }
.keyword-index b { color: white; }
.keyword-index a { text-decoration: underline; text-underline-offset: .2rem; }

.faq-section { background: var(--paper); }
.faq-grid { display: grid; gap: 2rem; }
.faq-intro > p:not(.eyebrow) { color: var(--muted); }
.accordion details { border-top: 1px solid var(--ink); }
.accordion details:last-child { border-bottom: 1px solid var(--ink); }
.accordion summary { min-height: 4.7rem; padding: .8rem 0; display: flex; align-items: center; justify-content: space-between; gap: .8rem; font-size: .9rem; font-weight: 850; cursor: pointer; list-style: none; }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary svg { transition: transform .25s; }
.accordion details[open] summary svg { transform: rotate(45deg); color: var(--blue); }
.accordion details p { margin: -.25rem 2.2rem 1rem 0; color: var(--muted); font-size: .82rem; }

.site-footer { padding: 3.5rem 1rem 5.5rem; background: var(--ink); color: white; }
.footer-inner { max-width: var(--max); margin: auto; display: grid; gap: 2rem; }
.footer-brand p, .footer-note p { max-width: 23rem; color: #aeb5ae; font-size: .76rem; }
.footer-links { display: grid; align-content: start; gap: .45rem; }
.footer-links b, .footer-note b { margin-bottom: .3rem; color: var(--acid); font-size: .72rem; }
.footer-links a { color: #cbd0cb; font-size: .74rem; }
.footer-links a:hover { color: white; }
.site-footer .brand-mark span { background: var(--acid); }
.site-footer .brand-name span { color: var(--acid); }
.footer-bottom { max-width: var(--max); margin: 2rem auto 0; padding-top: 1rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: .7rem; border-top: 1px solid #3d433e; color: #899089; font-size: .65rem; }
.footer-bottom a { display: inline-flex; align-items: center; gap: .3rem; color: white; }
.mobile-download-bar { position: fixed; z-index: 90; left: .7rem; right: .7rem; bottom: .7rem; min-height: 3.8rem; padding: .55rem .6rem .55rem .85rem; display: flex; align-items: center; justify-content: space-between; gap: .7rem; border: 1px solid #3e433f; background: rgba(20,23,20,.95); color: white; box-shadow: 0 .4rem 1.5rem rgba(0,0,0,.22); backdrop-filter: blur(12px); }
.mobile-download-bar b, .mobile-download-bar small { display: block; }
.mobile-download-bar b { font-size: .76rem; }
.mobile-download-bar small { color: #aeb5ae; font-size: .6rem; }
.mobile-download-bar a { min-height: 2.7rem; padding: 0 .85rem; display: flex; align-items: center; gap: .35rem; background: var(--acid); color: var(--ink); font-size: .72rem; font-weight: 850; }

.reveal { opacity: 0; transform: translateY(1.2rem); transition: opacity .7s ease, transform .7s ease; }
.reveal[data-delay="1"] { transition-delay: .12s; }
.reveal[data-delay="2"] { transition-delay: .22s; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; } .reveal { opacity: 1; transform: none; } }

@media (min-width: 640px) {
  .section { padding: 6rem 1.5rem; }
  .header-inner { padding: 0 1.5rem; }
  .hero-actions { display: flex; flex-wrap: wrap; }
  .header-download { display: inline-flex; }
  .menu-toggle { margin-left: 0; }
  .hero { padding-left: 1.5rem; padding-right: 1.5rem; }
  .metric-c { display: block; }
  .hero-console { max-width: min(47rem, calc(100vw - 4rem)); }
  .quick-strip { padding: 0 1.5rem; }
  .quick-inner { grid-template-columns: repeat(4,1fr); }
  .quick-inner a, .quick-inner a:nth-of-type(even) { border-right: 1px solid var(--line); border-bottom: 0; }
  .entry-index { padding-left: 1.5rem; padding-right: 1.5rem; }
  .entry-grid { grid-template-columns: repeat(2, 1fr); }
  .entry-notes { grid-template-columns: repeat(2, 1fr); gap: .8rem 1.2rem; }
  .feature-tabs { grid-template-columns: repeat(4,1fr); }
  .download-main { grid-template-columns: 5.5rem 1fr; }
  .download-panel { padding: 1.5rem; }
  .install-flow { grid-template-columns: repeat(3,1fr); }
  .install-flow article { border-bottom: 0; border-right: 1px solid rgba(255,255,255,.3); }
  .install-flow article:last-child { border-right: 0; }
  .footer-inner { grid-template-columns: 1.5fr 1fr 1fr; }
  .footer-note { grid-column: 1/-1; }
}

@media (min-width: 768px) {
  .section-heading { grid-template-columns: 1.35fr .65fr; align-items: end; }
  .section-heading.compact { grid-template-columns: 1.5fr .5fr; }
  .hero-trust b { font-size: 1.35rem; }
  .mode-gallery { grid-template-columns: 1.25fr .75fr; grid-template-rows: 1fr 1fr; }
  .mode-large { grid-row: 1/3; min-height: 35rem !important; }
  .mode-card { min-height: 17rem !important; }
  .download-panel { grid-template-columns: 1fr 16rem; align-items: center; }
  .faq-grid { grid-template-columns: .75fr 1.25fr; }
}

@media (min-width: 1024px) {
  :root { --header: 5rem; }
  .section { padding: 7.2rem 2rem; }
  .header-inner { padding: 0 2rem; }
  .desktop-nav { display: flex; }
  .header-download { margin-left: 1rem; }
  .menu-toggle, .mobile-nav { display: none !important; }
  .hero { min-height: 53rem; padding: calc(var(--header) + 4.4rem) 2rem 6rem; display: flex; align-items: center; }
  .hero-inner { grid-template-columns: .82fr 1.18fr; gap: 4rem; }
  .hero-copy { padding-bottom: 3rem; }
  .hero-console { transform: rotate(1.2deg); }
  .quick-strip { padding: 0 2rem; }
  .entry-index { padding-left: 2rem; padding-right: 2rem; }
  .entry-grid { grid-template-columns: repeat(5, 1fr); }
  .entry-grid a { min-height: 7.4rem; }
  .entry-notes { grid-template-columns: repeat(5, 1fr); }
  .quick-inner { grid-template-columns: .55fr repeat(4,1fr); }
  .strip-label { display: flex; align-items: center; color: var(--muted); font-size: .62rem; font-weight: 850; }
  .quick-inner a { padding: 1rem 1.2rem; }
  .feature-layout { grid-template-columns: 18rem 1fr; gap: 1rem; }
  .feature-tabs { grid-template-columns: 1fr; }
  .feature-tab { min-height: 7.4rem; padding: 1.1rem; }
  .feature-tab svg { display: inline-block; margin: 0 .7rem 0 0; vertical-align: middle; }
  .feature-tab b { display: inline-block; }
  .feature-tab small { margin-left: 2.55rem; }
  .feature-view { display: grid; grid-template-columns: 1fr 13rem; }
  .feature-view figure { aspect-ratio: auto; min-height: 33rem; }
  .feature-detail { display: flex; flex-direction: column; justify-content: flex-end; }
  .level-bars { height: 7rem; }
  .insights-grid { grid-template-columns: .78fr 1.22fr; gap: 5rem; }
  .plan-grid { grid-template-columns: 1fr 1fr; gap: 6rem; }
  .download-panel { padding: 2.2rem; grid-template-columns: 1fr 18rem; }
  .install-flow article { padding: 1.5rem; }
  .footer-inner { grid-template-columns: 1.5fr .7fr .9fr 1.2fr; }
  .footer-note { grid-column: auto; }
  .site-footer { padding: 4.5rem 2rem 2rem; }
  .mobile-download-bar { display: none; }
}

@media (min-width: 1280px) {
  .hero-inner { grid-template-columns: .77fr 1.23fr; }
  .feature-view { grid-template-columns: 1fr 15rem; }
}

@media (max-width: 374px) {
  .hero { padding-left: .75rem; padding-right: .75rem; }
  .hero h1 { font-size: 2.35rem; }
  .hero-actions .btn { width: 100%; }
  .feature-tab { min-height: 8.6rem; }
  .mobile-download-bar { left: .35rem; right: .35rem; bottom: .35rem; }
  .mobile-download-bar a { padding: 0 .55rem; }
}

@media (max-width: 479px) {
  .hero-lead { max-width: 100%; }
  .hero-actions { display: grid; grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
  .hero-actions .btn-primary { justify-content: flex-start; }
}

/* Portfolio-style visual system inspired by the reference composition. */
.hero { min-height: 58rem; padding-top: calc(var(--header) + 2rem); background: #071216; color: #fff; }
.hero-backdrop { position: absolute; inset: 0; overflow: hidden; }
.hero-backdrop img { width: 100%; height: 100%; object-fit: cover; object-position: 56% center; filter: saturate(.85) contrast(1.08) brightness(.58); transform: scale(1.04); }
.hero-backdrop::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(3,10,13,.94) 0%, rgba(3,10,13,.7) 33%, rgba(3,10,13,.12) 78%), linear-gradient(0deg, rgba(3,10,13,.85), transparent 45%); }
.hero-grid { opacity: .2; background-size: 4rem 4rem; background-image: linear-gradient(rgba(91,240,232,.24) 1px, transparent 1px), linear-gradient(90deg, rgba(91,240,232,.24) 1px, transparent 1px); mask-image: linear-gradient(to bottom, black, transparent 90%); }
.hero-word { left: 53%; bottom: 5rem; color: transparent; -webkit-text-stroke: 1px rgba(110,243,235,.2); font-size: clamp(4.8rem, 13vw, 12rem); letter-spacing: .04em; transform: translateX(-20%) rotate(-90deg); transform-origin: center; opacity: .8; }
.hero-inner { max-width: 1280px; gap: 3rem; }
.hero-copy { max-width: 37rem; padding-left: 2.8rem; }
.hero h1 { max-width: 10ch; font-size: clamp(3.1rem, 8vw, 6.8rem); letter-spacing: .01em; }
.hero h1 em { display: inline-block; margin-top: .35em; color: #d4ff48; font-size: .29em; font-style: normal; letter-spacing: .12em; }
.hero h1 span { color: #55e4df; }
.hero h1 span::after { display: none; }
.hero .eyebrow { color: #69e8e1; }
.hero-lead { color: rgba(255,255,255,.78); }
.hero-lead strong { color: #d4ff48; }
.status-line { border-color: rgba(255,255,255,.35); background: rgba(6,18,20,.58); color: #fff; }
.status-line b { color: #9feee7; border-color: rgba(255,255,255,.25); }
.hero-trust { border-color: rgba(255,255,255,.28); }
.hero-trust div + div { border-color: rgba(255,255,255,.28); }
.hero-trust span { color: rgba(255,255,255,.62); }
.hero-console { border-color: #52e0d8; box-shadow: .75rem .75rem 0 #d4ff48; transform: rotate(1deg); }
.console-stamp { position: absolute; right: 1rem; top: 4rem; z-index: 4; padding: .35rem .5rem; border: 1px solid rgba(212,255,72,.8); color: #d4ff48; font-size: .62rem; line-height: 1.15; letter-spacing: .08em; text-align: right; transform: rotate(90deg) translateX(100%); transform-origin: right top; }
.console-stamp small { color: #fff; font-size: .45rem; }
.hero-rail { position: absolute; z-index: 4; left: 1rem; top: calc(var(--header) + 1.2rem); bottom: 5rem; width: 9rem; display: flex; flex-direction: column; align-items: flex-start; }
.rail-brand { display: flex; align-items: center; gap: .55rem; color: #fff; font-size: .7rem; line-height: 1.05; letter-spacing: .08em; }
.rail-brand .brand-mark { width: 1.7rem; height: 1.7rem; border-width: .16rem; }
.rail-brand .brand-mark::before { height: 2.1rem; width: .16rem; }
.rail-brand .brand-mark::after { width: 2.1rem; height: .16rem; }
.rail-brand .brand-mark span { width: .42rem; height: .42rem; background: #55e4df; }
.rail-links { position: relative; display: grid; gap: 1rem; margin-top: 5rem; }
.rail-links::before { content: ""; position: absolute; left: .22rem; top: .4rem; bottom: .4rem; width: 1px; background: rgba(255,255,255,.35); }
.rail-links a { position: relative; display: flex; gap: .65rem; align-items: center; color: rgba(255,255,255,.62); font-size: .66rem; letter-spacing: .05em; writing-mode: horizontal-tb; }
.rail-links a span { width: .48rem; height: .48rem; border: 1px solid rgba(255,255,255,.55); border-radius: 50%; background: #071216; font-size: 0; }
.rail-links a.active, .rail-links a:hover { color: #d4ff48; }
.rail-links a.active span { border-color: #d4ff48; background: #d4ff48; box-shadow: 0 0 0 .25rem rgba(212,255,72,.16); }
.rail-scroll { margin-top: auto; display: inline-flex; align-items: center; gap: .45rem; color: rgba(255,255,255,.5); font-size: .55rem; letter-spacing: .16em; writing-mode: vertical-rl; }
.rail-scroll svg { width: .8rem; height: .8rem; color: #55e4df; }
.hero-ticker { background: #55e4df; color: #071216; }
.hero-ticker span { color: #071216; }
.hero .btn-secondary { background: rgba(7,18,22,.72); border-color: rgba(255,255,255,.65); color: #fff; backdrop-filter: blur(10px); }
.hero .btn-secondary:hover { background: #fff; color: #071216; box-shadow: .35rem .35rem 0 #55e4df; }

.quick-strip { background: #0b1d20; border-color: rgba(255,255,255,.12); color: #fff; }
.quick-inner a { border-color: rgba(255,255,255,.12); background: transparent; }
.quick-inner a b { color: #fff; }
.quick-inner a small, .strip-label { color: rgba(255,255,255,.55); }
.quick-inner a svg { color: #55e4df; }
.quick-inner a:hover { background: #173b3d; }
.entry-index { background: #d8f3ef; }
.entry-grid a { background: #f6fffd; }
.feature-section { background: #f6f7f3; }
.feature-section .section-heading h2, .modes-section h2 { max-width: 14ch; }
.insights-section { background: #091719; }
.modes-section { background: #dce7e3; }
.mode-gallery article { border: 1px solid rgba(7,18,20,.4); }
.download-section { background: #55e4df; }
.download-panel { box-shadow: .75rem .75rem 0 #071216; }
.faq-section { background: #f2f3ee; }

@media (min-width: 1024px) {
  .hero { min-height: 54rem; padding-left: 2rem; padding-right: 2rem; }
  .hero-copy { padding-left: 4.5rem; }
  .hero-rail { left: 2rem; }
  .hero-console { margin-right: 1.5rem; }
}
@media (max-width: 767px) {
  .hero { min-height: 61rem; }
  .hero-rail { position: absolute; left: .8rem; top: calc(var(--header) + .9rem); bottom: auto; width: auto; }
  .rail-brand { opacity: .9; }
  .rail-links { display: none; }
  .rail-scroll { display: none; }
  .hero-copy { padding-left: 0; padding-top: 3.5rem; }
  .hero-console { transform: none; }
  .hero-word { right: -8rem; left: auto; transform: rotate(-90deg); }
}
@media (max-width: 479px) {
  .hero { padding-top: calc(var(--header) + 1.5rem); min-height: 68rem; }
  .hero-backdrop img { object-position: 48% center; }
  .hero-copy { padding-top: 4rem; }
  .hero .status-line { margin-bottom: 1.2rem; }
  .hero .eyebrow { max-width: 24rem; }
  .hero h1 { font-size: 3.15rem; }
  .hero-actions { grid-template-columns: 1fr 1fr; }
  .hero-actions .btn { min-width: 0; padding: .72rem .6rem; font-size: .73rem; }
  .hero-actions .btn-primary { justify-content: center; }
  .hero-actions .btn-primary small { display: none; }
  .hero-console { max-width: 100%; box-shadow: .45rem .45rem 0 #d4ff48; }
  .console-stamp { display: none; }
}