:root {
  color-scheme: dark;
  --bg: #070b10;
  --surface: #0e151d;
  --surface-2: #151e28;
  --line: #304455;
  --text: #f3f7fb;
  --muted: #a9b9c7;
  --cyan: #26d8ff;
  --blue: #5d7cff;
  --mint: #2ee6a6;
  --amber: #ffbd45;
  --red: #ff667a;
  --radius: 24px;
  --shadow: 0 24px 80px rgba(0,0,0,.35);
}
* { box-sizing: border-box; }
html { background: var(--bg); scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    radial-gradient(circle at 85% -10%, rgba(93,124,255,.18), transparent 32rem),
    radial-gradient(circle at -10% 28%, rgba(38,216,255,.10), transparent 24rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, sans-serif;
}
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
a { color: var(--cyan); }
.shell { width: min(100%, 1120px); margin: 0 auto; padding: 0 18px 112px; }
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  min-height: 78px; padding: 10px 0;
  background: linear-gradient(180deg, rgba(7,11,16,.98) 62%, rgba(7,11,16,0));
  backdrop-filter: blur(16px);
}
.brand { display: flex; align-items: center; gap: 11px; min-width: 0; }
.brand-mark {
  position: relative; width: 42px; height: 42px; flex: 0 0 42px;
  border: 2px solid var(--cyan); border-radius: 50%;
  box-shadow: 0 0 24px rgba(38,216,255,.22), inset 0 0 18px rgba(38,216,255,.08);
}
.brand-mark::before, .brand-mark::after { content: ""; position: absolute; border-radius: 50%; }
.brand-mark::before { inset: 7px; border: 2px solid var(--blue); border-left-color: transparent; transform: rotate(-30deg); }
.brand-mark::after { width: 7px; height: 7px; background: var(--mint); top: 5px; right: 2px; box-shadow: 0 0 10px var(--mint); }
.brand-title-row { display: flex; align-items: center; gap: 8px; }
.brand-name { font: 700 16px/1 Space Grotesk, sans-serif; letter-spacing: .08em; white-space: nowrap; }
.beta-badge { padding: 4px 7px 3px; border: 1px solid rgba(46,230,166,.58); border-radius: 999px; color: var(--mint); background: rgba(46,230,166,.08); box-shadow: 0 0 16px rgba(46,230,166,.12); font-size: 9px; font-weight: 900; line-height: 1; letter-spacing: .1em; }
.brand-sub { margin-top: 5px; color: var(--muted); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }
.lang-toggle { display: flex; padding: 4px; background: var(--surface); border: 1px solid var(--line); border-radius: 999px; }
.lang-toggle button { min-width: 45px; min-height: 38px; border: 0; border-radius: 999px; background: transparent; color: var(--muted); font-weight: 800; cursor: pointer; }
.lang-toggle button.active { background: var(--text); color: #071018; }
.hero { padding: 28px 0 14px; }
.eyebrow { color: var(--mint); font-weight: 800; font-size: 12px; letter-spacing: .14em; text-transform: uppercase; text-shadow:0 0 14px rgba(46,230,166,.5); }
h1 { margin: 10px 0 12px; max-width: 780px; font: 700 clamp(42px, 8vw, 82px)/.96 Space Grotesk, sans-serif; letter-spacing: -.055em; }
.gradient-text { background: linear-gradient(90deg, var(--cyan), #7d8cff 62%, #af82ff); background-clip: text; color: transparent; }
.hero-copy { max-width: 670px; margin: 0; color: #b2bfcb; font-size: clamp(16px, 2vw, 19px); line-height: 1.6; }
.dashboard { display: grid; grid-template-columns: 1.2fr .8fr; gap: 16px; margin: 25px 0 28px; }
.panel { background: linear-gradient(145deg, rgba(21,30,40,.92), rgba(12,19,27,.92)); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.pulse-panel { display: flex; align-items: center; gap: 20px; padding: 22px; }
.ring {
  display: grid; place-items: center; width: 112px; height: 112px; flex: 0 0 112px;
  border-radius: 50%; background: conic-gradient(var(--mint) 0 78%, #183129 78% 100%); position: relative;
  box-shadow: 0 0 35px rgba(46,230,166,.12);
}
.ring::after { content: ""; position: absolute; inset: 11px; border-radius: 50%; background: #0d141b; }
.ring-value { position: relative; z-index: 1; text-align: center; font: 700 30px/1 Space Grotesk; }
.ring-value small { display: block; margin-top: 5px; color: var(--muted); font: 600 9px/1 Inter; letter-spacing: .08em; text-transform: uppercase; }
.pulse-copy h2 { margin: 0 0 7px; font: 700 21px/1.2 Space Grotesk; }
.pulse-copy p { margin: 0; color: var(--muted); line-height: 1.5; font-size: 13px; }
.mini-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; overflow: hidden; }
.mini-stat { padding: 24px 18px; background: rgba(10,16,23,.7); }
.mini-stat strong { display: block; font: 700 30px/1 Space Grotesk; }
.mini-stat span { display: block; margin-top: 7px; color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .09em; }
.toolbar { display: grid; grid-template-columns: 1fr auto; gap: 12px; margin: 18px 0 20px; }
.search { position: relative; }
.search::before { content: "⌕"; position: absolute; left: 18px; top: 12px; color: var(--cyan); font-size: 25px; }
.search input { width: 100%; height: 54px; padding: 0 18px 0 52px; color: var(--text); background: var(--surface); border: 1px solid var(--line); border-radius: 18px; outline: none; }
.search input:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(38,216,255,.10); }
.filter-row { display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; padding-bottom: 2px; }
.filter-row::-webkit-scrollbar { display: none; }
.chip { min-height: 48px; padding: 0 17px; border: 1px solid color-mix(in srgb,var(--chip-accent) 20%,var(--line)); border-radius: 16px; background: var(--surface); color: color-mix(in srgb,var(--chip-accent) 46%,var(--muted)); font-weight: 700; white-space: nowrap; cursor: pointer; }
.chip.active { background: color-mix(in srgb,var(--chip-accent) 14%,var(--surface)); color: var(--chip-accent); border-color: color-mix(in srgb,var(--chip-accent) 52%,var(--line)); box-shadow: 0 0 18px color-mix(in srgb,var(--chip-accent) 10%,transparent); }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 12px; margin: 30px 0 15px; }
.section-heading h2 { margin: 0; font: 700 26px/1.1 Space Grotesk; }
.section-heading span { color: var(--muted); font-size: 12px; }
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.product-card { position: relative; min-height: 285px; padding: 20px; overflow: hidden; display: flex; flex-direction: column; }
.product-card::after { content: ""; position: absolute; width: 180px; height: 180px; right: -95px; top: -95px; border: 28px solid var(--accent, var(--cyan)); border-radius: 50%; opacity: .1; pointer-events: none; }
.card-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.status { display: inline-flex; align-items: center; gap: 7px; color: var(--mint); font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; text-shadow:0 0 12px color-mix(in srgb,currentColor 55%,transparent); }
.status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; box-shadow: 0 0 10px currentColor; }
.status.sold-out { color:#ff5c68; }
.save { position: relative; z-index: 2; width: 44px; height: 44px; flex: 0 0 44px; padding: 0; display: inline-grid; place-items: center; border: 1px solid rgba(38,216,255,.28); border-radius: 14px; background: rgba(7,11,16,.72); color:#9bafbf; box-shadow:0 0 14px rgba(38,216,255,.08); cursor: pointer; font-size: 21px; line-height: 1; }
.save.saved { color: var(--amber); border-color: rgba(255,189,69,.48); box-shadow:0 0 18px rgba(255,189,69,.16); }
.product-card h3 { margin: 23px 0 9px; font: 700 30px/1 Space Grotesk; letter-spacing: -.03em; }
.category-tag { width:fit-content; margin-bottom:8px; padding:5px 8px; border:1px solid color-mix(in srgb,var(--accent) 38%,var(--line)); border-radius:999px; background:color-mix(in srgb,var(--accent) 9%,transparent); color:var(--accent); font-size:11px; font-weight:900; letter-spacing:.04em; text-transform:uppercase; text-shadow:0 0 11px color-mix(in srgb,var(--accent) 45%,transparent); }
.card-kicker { min-height: 40px; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.5; }
.evidence { display: inline-flex; align-items: center; gap: 7px; margin-top: 16px; color:#dce8f3; font-size: 11px; font-weight: 700; }
.evidence i { width: 30px; height: 5px; border-radius: 99px; background: linear-gradient(90deg, var(--accent), rgba(255,255,255,.16)); }
.card-bottom { display: flex; align-items: end; justify-content: space-between; gap: 12px; margin-top: auto; padding-top: 20px; }
.price small { display: block; color: var(--muted); font-size: 10px; margin-bottom: 4px; }
.price strong { font: 700 23px/1 Space Grotesk; }
.explore { min-width: 112px; min-height: 48px; border: 0; border-radius: 15px; background: var(--accent); color: #071018; font-weight: 800; cursor: pointer; }
.empty { grid-column: 1/-1; padding: 40px; text-align: center; color: var(--muted); }
.notice { margin-top: 24px; padding: 18px 20px; color: #a9b7c4; font-size: 12px; line-height: 1.6; }
.notice strong { color: var(--text); }
.detail { padding-top: 12px; }
.back { min-height: 46px; padding: 0 16px; border: 1px solid var(--line); border-radius: 15px; background: var(--surface); color: var(--text); font-weight: 700; cursor: pointer; }
.detail-hero { margin: 18px 0 16px; padding: 26px; position: relative; overflow: hidden; }
.detail-hero::after { content:""; position:absolute; width:260px; height:260px; right:-145px; top:-135px; border:34px solid var(--accent); border-radius:50%; opacity:.12; }
.detail-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 17px; }
.badge { padding: 8px 11px; border: 1px solid var(--line); border-radius: 999px; color: #c2ced9; background: rgba(7,11,16,.5); font-size: 11px; font-weight: 700; }
.badge.accent { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 40%, transparent); }
.detail h1 { margin: 0 0 12px; font-size: clamp(42px, 8vw, 72px); }
.detail-lead { position: relative; z-index: 1; max-width: 760px; margin: 0; color: #b7c3ce; line-height: 1.65; }
.format-list { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 22px; }
.format { padding: 12px 14px; border-radius: 14px; background: rgba(7,11,16,.58); border: 1px solid var(--line); font-size: 12px; }
.format strong { margin-left: 8px; color: var(--amber); }
.format small { display:block; margin-top:7px; color:#ff657d; font-size:9px; font-weight:900; letter-spacing:.08em; text-transform:uppercase; }
.format.format-sold { border-color:rgba(255,101,125,.3); background:rgba(255,101,125,.06); }
.detail-save { position: relative; z-index: 2; min-height: 52px; margin-top: 16px; padding: 0 18px; border: 1px solid rgba(38,216,255,.45); border-radius: 16px; background: rgba(38,216,255,.12); color: var(--cyan); font-weight: 800; cursor: pointer; }
.detail-save span { margin-right: 9px; font-size: 19px; }
.detail-save.saved { color: var(--amber); border-color: rgba(255,189,69,.42); background: rgba(255,189,69,.1); }
.detail-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 16px; align-items: start; }
.signal-card { padding: 22px; position: sticky; top: 84px; }
.signal-card h2 { margin: 0; font: 700 20px/1.2 Space Grotesk; }
.signal-meter { display: grid; place-items: center; width: 196px; height: 196px; margin: 22px auto 13px; border-radius: 50%; background: conic-gradient(var(--accent) 0 var(--meter), #1c2833 var(--meter) 100%); position: relative; }
.signal-meter::after { content:""; position:absolute; inset:15px; border-radius:50%; background:var(--surface); }
.signal-core { position:relative; z-index:1; width:70px; height:70px; border:1px solid color-mix(in srgb, var(--accent) 42%, transparent); border-radius:50%; box-shadow:0 0 28px color-mix(in srgb, var(--accent) 18%, transparent); }
.signal-core i { position:absolute; width:10px; height:10px; border-radius:50%; background:var(--accent); box-shadow:0 0 12px var(--accent); }
.signal-core i:nth-child(1) { left:29px; top:8px; }
.signal-core i:nth-child(2) { left:10px; bottom:13px; opacity:.72; }
.signal-core i:nth-child(3) { right:10px; bottom:13px; opacity:.45; }
.signal-stage { width: fit-content; max-width: 100%; margin: 0 auto 17px; padding: 8px 11px; border: 1px solid color-mix(in srgb, var(--accent) 38%, var(--line)); border-radius: 999px; color: var(--accent); text-align: center; font-size: 12px; font-weight: 800; }
.signal-card p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.55; }
.saved-overview { display: grid; grid-template-columns: auto 1fr; gap: 22px; align-items: center; padding: 20px; margin: 0 0 18px; }
.saved-ring-wrap { width: 118px; text-align: center; }
.saved-ring { width: 118px; height: 118px; display: grid; place-items: center; border-radius: 50%; position: relative; }
.saved-ring::after { content:""; position:absolute; inset:11px; border-radius:50%; background:var(--surface); }
.saved-ring strong { position:relative; z-index:1; display:block; font:700 36px/1 Space Grotesk; }
.saved-ring-label { margin-top:9px; color:var(--muted); font-size:12px; font-weight:800; letter-spacing:.08em; text-transform:uppercase; }
.saved-copy h3 { margin:0 0 12px; font:700 20px/1.2 Space Grotesk; }
.saved-copy p { margin:0; color:var(--muted); font-size:13px; line-height:1.5; }
.saved-breakdown { display:flex; flex-wrap:wrap; gap:8px; }
.saved-breakdown span { display:inline-flex; align-items:center; gap:7px; padding:9px 10px; border:1px solid var(--line); border-radius:12px; color:var(--muted); font-size:11px; }
.saved-breakdown i { width:7px; height:7px; border-radius:50%; }
.saved-breakdown strong { color:var(--text); }
.accordions { display: grid; gap: 10px; }
details { background: linear-gradient(145deg, rgba(21,30,40,.92), rgba(12,19,27,.92)); border: 1px solid var(--line); border-radius: 19px; overflow: hidden; }
summary { list-style: none; min-height: 66px; padding: 19px 54px 19px 20px; position: relative; cursor: pointer; font-weight: 800; }
summary::-webkit-details-marker { display: none; }
summary::after { content:"+"; position:absolute; right:20px; top:15px; color:var(--cyan); font-size:28px; font-weight:400; }
details[open] summary::after { content:"−"; }
.detail-body { padding: 0 20px 20px; color: #aebac5; font-size: 14px; line-height: 1.68; }
.detail-body p:first-child { margin-top: 0; }
.detail-body ul { padding-left: 19px; }
.detail-body li + li { margin-top: 7px; }
.source-list { display: grid; gap: 9px; }
.source-link { display: flex; justify-content: space-between; gap: 12px; padding: 12px; border-radius: 13px; background: rgba(7,11,16,.55); text-decoration: none; font-size: 12px; }
.source-link span:last-child { color: var(--muted); white-space: nowrap; }
.bottom-nav { position: fixed; z-index: 30; left: 50%; bottom: 12px; transform: translateX(-50%); width: min(calc(100% - 18px), 720px); display: grid; grid-template-columns: repeat(5, 1fr); padding: 6px; border: 1px solid var(--line); border-radius: 20px; background: rgba(14,21,29,.93); box-shadow: var(--shadow); backdrop-filter: blur(18px); }
.nav-btn { min-width: 0; min-height: 54px; padding: 5px 2px; border: 0; border-radius: 15px; background: transparent; color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: -.02em; cursor: pointer; }
.nav-btn span { display: block; margin-bottom: 4px; font-size: 20px; }
.nav-btn.active { background: rgba(38,216,255,.11); color: var(--cyan); }
.tool-page { padding-top: 0; }
.tool-heading { padding: 24px 0 22px; }
.tool-heading h1 { margin: 8px 0 10px; font-size: clamp(38px,7vw,66px); }
.tool-heading p { max-width: 700px; margin: 0; color:#c6d3df; font-size: 16px; line-height: 1.6; }
.compare-setup { padding: 18px; margin-bottom: 14px; }
.setup-title { display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:13px; color:var(--muted); font-size:11px; font-weight:800; letter-spacing:.08em; text-transform:uppercase; }
.setup-title button { border:0; background:transparent; color:var(--amber); font-size:11px; font-weight:800; cursor:pointer; }
.selected-strip { display:flex; gap:10px; overflow-x:auto; padding-bottom:4px; scrollbar-width:thin; scrollbar-color:var(--cyan) transparent; }
.selected-product, .add-product { min-width:170px; min-height:94px; padding:14px; border:1px solid color-mix(in srgb,var(--accent,var(--cyan)) 45%,var(--line)); border-radius:17px; background:linear-gradient(145deg,color-mix(in srgb,var(--accent,var(--cyan)) 12%,#0a1118),#091018); text-align:left; scroll-snap-align:start; cursor:pointer; }
.selected-product > span { color:var(--accent); font-size:10px; font-weight:900; letter-spacing:.08em; text-transform:uppercase; }
.selected-product strong { display:flex; align-items:center; gap:8px; margin-top:8px; overflow:hidden; color:var(--text); font-size:16px; white-space:nowrap; text-overflow:ellipsis; }
.selected-product strong i { width:8px; height:8px; flex:0 0 8px; border-radius:50%; background:var(--accent); box-shadow:0 0 11px var(--accent); }
.selected-product small { display:block; margin-top:7px; color:#adc1d2; font-size:10px; }
.add-product { display:grid; place-items:center; gap:4px; border-style:dashed; border-color:rgba(38,216,255,.35); color:var(--cyan); text-align:center; font-size:11px; font-weight:800; }
.add-product span { font-size:24px; line-height:1; }
.profile-chooser { margin-top:14px; padding:14px; border:1px solid var(--line); border-radius:17px; background:#080f16; }
.chooser-heading { display:flex; align-items:center; justify-content:space-between; margin-bottom:11px; }
.chooser-heading strong { font-size:14px; }
.chooser-heading button { width:36px; height:36px; border:1px solid var(--line); border-radius:50%; background:var(--surface); color:var(--muted); font-size:22px; cursor:pointer; }
.chooser-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:8px; max-height:52vh; overflow-y:auto; padding-right:3px; }
.chooser-grid button { min-width:0; min-height:68px; padding:11px; display:grid; grid-template-columns:9px 1fr; column-gap:8px; border:1px solid color-mix(in srgb,var(--accent) 35%,var(--line)); border-radius:14px; background:color-mix(in srgb,var(--accent) 8%,#0b1219); color:var(--text); text-align:left; cursor:pointer; }
.chooser-grid button:disabled { opacity:.3; cursor:not-allowed; }
.chooser-grid i { width:8px; height:8px; margin-top:4px; border-radius:50%; background:var(--accent); }
.chooser-grid span { overflow:hidden; font-weight:800; white-space:nowrap; text-overflow:ellipsis; }
.chooser-grid small { grid-column:2; margin-top:3px; overflow:hidden; color:var(--muted); font-size:9px; white-space:nowrap; text-overflow:ellipsis; }
.swap-mark { display: grid; place-items: center; width: 46px; height: 46px; margin-bottom: 4px; border: 1px solid var(--line); border-radius: 50%; color: var(--cyan); background: #0a121a; font-size: 20px; }
.cross-note { margin: 0 0 14px; padding: 13px 15px; border: 1px solid rgba(255,189,69,.28); border-radius: 14px; background: rgba(255,189,69,.08); color: #d8bd83; font-size: 13px; line-height: 1.5; }
.swipe-hint { margin:0 0 8px; color:var(--cyan); text-align:right; font-size:11px; font-weight:800; text-shadow:0 0 12px rgba(38,216,255,.5); }
.matrix-scroll { overflow-x:auto; padding:0; scrollbar-width:thin; scrollbar-color:var(--cyan) transparent; }
.compare-matrix { min-width:calc(var(--compare-count) * 170px); }
.matrix-head, .matrix-values { display:grid; grid-template-columns:repeat(var(--compare-count),minmax(0,1fr)); }
.matrix-head { position:relative; border-bottom:1px solid var(--line); background:rgba(9,16,23,.98); }
.matrix-head article { position:relative; min-width:0; min-height:156px; padding:17px 14px; border-top:3px solid var(--accent); }
.matrix-head article + article, .matrix-values article + article { border-left:1px solid var(--line); }
.matrix-head article > span { display:grid; place-items:center; width:22px; height:22px; margin-bottom:10px; border-radius:50%; background:var(--accent); color:#061018; font-size:11px; font-weight:900; }
.matrix-head strong { display:block; overflow:hidden; font:700 19px/1.1 Space Grotesk; white-space:nowrap; text-overflow:ellipsis; }
.matrix-head small { display:block; min-height:31px; margin-top:6px; color:#b7c7d5; font-size:10px; line-height:1.4; }
.matrix-head button { margin-top:10px; padding:7px 9px; border:1px solid color-mix(in srgb,var(--accent) 45%,var(--line)); border-radius:10px; background:color-mix(in srgb,var(--accent) 10%,#091018); color:var(--accent); font-size:10px; font-weight:900; cursor:pointer; }
.matrix-row h2 { margin:0; padding:13px 14px; border-bottom:1px solid var(--line); background:#111a23; color:#d9f3ff; font-size:11px; letter-spacing:.08em; text-transform:uppercase; text-shadow:0 0 12px rgba(38,216,255,.22); }
.matrix-values article { min-width:0; padding:17px 14px; background:rgba(8,14,20,.62); }
.matrix-values p { margin:0; color:#ced9e3; font-size:12px; line-height:1.55; }
.matrix-values .accent-copy { color:var(--accent); font-weight:800; text-shadow:0 0 11px color-mix(in srgb,var(--accent) 38%,transparent); }
.compare-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.compare-list li { position: relative; padding-left: 18px; color:#cfdae4; font-size: 12px; line-height: 1.45; }
.compare-list li::before { position: absolute; left: 0; font-weight: 900; }
.compare-list.pros li::before { content: '＋'; color: var(--mint); }
.compare-list.cons li::before { content: '−'; color: var(--amber); }
.solution-calculator { max-width:980px; margin:0 auto; padding:18px; overflow:hidden; }
.calculator-unit-choice { margin-bottom:14px; padding:15px; border:1px solid rgba(38,216,255,.32); border-radius:17px; background:linear-gradient(135deg,rgba(38,216,255,.1),rgba(8,14,20,.76)); }
.calculator-unit-choice > span { display:block; margin-bottom:10px; color:#dff8ff; font-size:13px; font-weight:900; letter-spacing:.06em; text-transform:uppercase; }
.calc-flow { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:12px; }
.calc-step { position:relative; min-width:0; padding:18px; border:1px solid color-mix(in srgb,var(--step-accent) 32%,var(--line)); border-radius:19px; background:linear-gradient(145deg,color-mix(in srgb,var(--step-accent) 8%,#0a1118),#091018); overflow:hidden; }
.calc-step::after { content:""; position:absolute; width:120px; height:120px; right:-72px; top:-72px; border:18px solid var(--step-accent); border-radius:50%; opacity:.08; pointer-events:none; }
.calc-step-head { position:relative; z-index:1; display:grid; grid-template-columns:34px 1fr; gap:11px; align-items:start; }
.calc-step-head > span { display:grid; place-items:center; width:34px; height:34px; border-radius:50%; background:var(--step-accent); color:#061018; font-weight:900; box-shadow:0 0 18px color-mix(in srgb,var(--step-accent) 34%,transparent); }
.calc-step h2 { margin:1px 0 5px; color:var(--text); font:700 18px/1.15 Space Grotesk; }
.calc-step-head p { min-height:47px; margin:0; color:var(--muted); font-size:12px; line-height:1.45; }
.target-unit-toggle { position:relative; z-index:1; display:grid; grid-template-columns:1fr 1fr; gap:5px; padding:5px; border:1px solid var(--line); border-radius:14px; background:#071018; }
.target-unit-toggle button { display:grid; place-items:center; gap:2px; min-height:54px; border:0; border-radius:10px; background:transparent; color:var(--muted); font-weight:900; cursor:pointer; }
.target-unit-toggle button strong { font-size:17px; line-height:1; text-transform:none; }
.target-unit-toggle button small { font-size:11px; font-weight:700; }
.target-unit-toggle button.active { background:rgba(38,216,255,.15); color:var(--cyan); box-shadow:0 0 18px rgba(38,216,255,.14); }
.calc-presets { position:relative; z-index:1; display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:7px; margin-top:16px; }
.calc-presets button { min-width:0; min-height:42px; padding:6px; border:1px solid var(--line); border-radius:12px; background:#071018; color:#b7c8d6; font-size:12px; font-weight:800; cursor:pointer; }
.calc-presets button.active { border-color:color-mix(in srgb,var(--step-accent) 58%,var(--line)); background:color-mix(in srgb,var(--step-accent) 14%,#071018); color:var(--step-accent); box-shadow:0 0 17px color-mix(in srgb,var(--step-accent) 12%,transparent); }
.calc-custom { position:relative; z-index:1; display:grid; gap:7px; margin-top:13px; }
.calc-custom span { color:var(--step-accent); font-size:11px; font-weight:900; letter-spacing:.06em; text-transform:uppercase; }
.calc-custom input { width:100%; min-height:50px; padding:0 14px; border:1px solid var(--line); border-radius:13px; background:#071018; color:var(--text); outline:none; font:700 19px/1 Space Grotesk; }
.calc-custom input:focus { border-color:var(--step-accent); box-shadow:0 0 0 3px color-mix(in srgb,var(--step-accent) 11%,transparent); }
.calc-result { margin-top:14px; padding:20px; border:1px solid rgba(38,216,255,.35); border-radius:20px; background:radial-gradient(circle at 10% 15%,rgba(38,216,255,.11),transparent 38%),linear-gradient(145deg,#0d1822,#091018); }
.result-heading span { color:var(--cyan); font-size:12px; font-weight:900; letter-spacing:.1em; text-transform:uppercase; text-shadow:0 0 13px rgba(38,216,255,.48); }
.result-layout { display:grid; grid-template-columns:180px 1fr; gap:20px; align-items:center; margin-top:15px; }
.sample-ring { width:170px; height:170px; display:grid; place-items:center; border-radius:50%; background:conic-gradient(var(--cyan) 0 var(--sample-fill),#1b2a36 var(--sample-fill) 100%); box-shadow:0 0 34px rgba(38,216,255,.13); position:relative; }
.sample-ring::after { content:""; position:absolute; inset:14px; border-radius:50%; background:#0b141c; }
.sample-ring > div { position:relative; z-index:1; width:105px; text-align:center; }
.sample-ring strong { display:block; color:var(--cyan); font:700 27px/1 Space Grotesk; text-shadow:0 0 16px rgba(38,216,255,.35); }
.sample-ring small { display:block; margin-top:7px; color:var(--muted); font-size:11px; font-weight:800; line-height:1.25; text-transform:uppercase; }
.result-metrics { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:9px; }
.result-metrics > div { min-width:0; min-height:118px; padding:14px; border:1px solid var(--line); border-radius:15px; background:rgba(7,11,16,.62); }
.result-metrics span { display:block; color:var(--muted); font-size:11px; font-weight:900; letter-spacing:.06em; text-transform:uppercase; }
.result-metrics strong { display:block; margin-top:13px; color:var(--text); font:700 20px/1.08 Space Grotesk; overflow-wrap:anywhere; }
.result-metrics small { display:block; margin-top:7px; color:var(--cyan); font-size:11px; font-weight:800; }
.calculation-line { display:flex; justify-content:space-between; gap:16px; margin-top:15px; padding-top:14px; border-top:1px solid var(--line); color:var(--muted); font-size:12px; }
.calculation-line span { text-transform:uppercase; letter-spacing:.06em; font-weight:800; }
.calculation-line strong { color:#dceaf4; text-align:right; }
.calc-empty { padding:40px 12px; color:var(--muted); text-align:center; font-size:14px; }
.calc-reset { display:block; min-height:42px; margin:13px auto 0; padding:0 16px; border:1px solid var(--line); border-radius:999px; background:#091119; color:var(--muted); font-size:12px; font-weight:800; cursor:pointer; }
.calculator-limit { max-width: 720px; margin: 14px auto 0; padding: 17px; display: flex; align-items: flex-start; gap: 12px; }
.calculator-limit > span { display: grid; place-items: center; width: 26px; height: 26px; flex: 0 0 26px; border: 1px solid var(--cyan); border-radius: 50%; color: var(--cyan); font-weight: 800; }
.calculator-limit p { margin: 2px 0 0; color: var(--muted); font-size: 13px; line-height: 1.55; }
.site-footer { max-width:1100px; margin:0 auto; padding:10px 18px 108px; color:#6f8291; font-size:11px; font-weight:700; letter-spacing:.04em; text-align:center; }
.site-footer strong { display:block; color:#9db0bf; font:700 13px/1.2 Space Grotesk,sans-serif; letter-spacing:.01em; }
.site-footer span { display:block; margin-top:5px; }
.install-layer { position:fixed; inset:0; z-index:500; display:grid; align-items:end; justify-items:center; padding:18px; background:rgba(1,5,8,.78); backdrop-filter:blur(12px); }
.install-sheet { position:relative; width:min(100%,460px); padding:22px; border:1px solid rgba(38,216,255,.42); border-radius:26px; background:radial-gradient(circle at 10% 0,rgba(38,216,255,.16),transparent 38%),linear-gradient(155deg,#111d28,#070d13 72%); box-shadow:0 24px 80px rgba(0,0,0,.65),0 0 38px rgba(38,216,255,.11); }
.install-handle { width:48px; height:5px; margin:-10px auto 18px; border-radius:999px; background:#344959; }
.install-close { position:absolute; top:15px; right:15px; width:38px; height:38px; border:1px solid var(--line); border-radius:50%; background:#091119; color:#a9bac7; font-size:25px; line-height:1; cursor:pointer; }
.install-symbol { display:grid; place-items:center; width:62px; height:62px; margin-bottom:17px; border:2px solid var(--cyan); border-radius:18px; color:var(--cyan); background:#08141c; box-shadow:0 0 24px rgba(38,216,255,.24); }
.install-symbol span { font-size:35px; line-height:1; transform:translateY(-2px); }
.install-badge { color:var(--mint); font-size:11px; font-weight:900; letter-spacing:.13em; }
.install-sheet h2 { max-width:350px; margin:8px 0; color:var(--text); font:700 29px/1.05 Space Grotesk; }
.install-benefit { margin:0; color:#adbdc9; font-size:15px; line-height:1.5; }
.install-steps { display:grid; grid-template-columns:auto 1fr; gap:12px; align-items:start; margin-top:18px; padding:15px; border:1px solid var(--line); border-radius:16px; background:rgba(6,13,19,.75); }
.install-steps span { padding:5px 8px; border-radius:999px; background:rgba(38,216,255,.13); color:var(--cyan); font-size:11px; font-weight:900; }
.install-steps p { margin:0; color:#d2dce4; font-size:14px; line-height:1.5; }
.install-actions { display:grid; grid-template-columns:1fr auto; gap:9px; margin-top:18px; }
.install-actions button { min-height:48px; padding:0 17px; border-radius:14px; font-size:14px; font-weight:900; cursor:pointer; }
.install-primary { border:0; background:linear-gradient(135deg,var(--cyan),#55e7ff); color:#061018; box-shadow:0 0 22px rgba(38,216,255,.18); }
.install-secondary { border:1px solid var(--line); background:#091119; color:#a9bac7; }
@media (max-width: 780px) {
  .dashboard, .detail-grid { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
  .product-card { min-height: 250px; }
  .signal-card { position: static; }
  .toolbar { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .shell { padding-inline: 14px; }
  .brand-sub { display: none; }
  .brand-name { font-size: 14px; }
  .pulse-panel { padding: 17px; gap: 15px; }
  .ring { width: 92px; height: 92px; flex-basis: 92px; }
  .ring-value { font-size: 25px; }
  .mini-stat { padding: 19px 14px; }
  .mini-stat strong { font-size: 26px; }
  .detail-hero { padding: 22px 18px; }
  .saved-overview { grid-template-columns: 96px 1fr; gap: 14px; padding: 16px; }
  .saved-ring-wrap { width:96px; }
  .saved-ring { width: 96px; height: 96px; }
  .compare-setup { padding:14px; }
  .selected-product, .add-product { min-height:84px; padding:12px; }
  .chooser-grid { grid-template-columns:1fr; }
  .solution-calculator { padding:12px; }
  .calc-flow { grid-template-columns:1fr; }
  .calc-step { padding:16px; }
  .calc-step-head p { min-height:0; }
  .calc-presets { grid-template-columns:repeat(3,minmax(0,1fr)); }
  .result-layout { grid-template-columns:1fr; }
  .sample-ring { width:150px; height:150px; margin:0 auto; }
  .result-metrics { grid-template-columns:1fr; }
  .result-metrics > div { min-height:0; }
  .calculation-line { display:grid; gap:7px; }
  .calculation-line strong { text-align:left; }
  .install-layer { padding:10px; }
  .install-sheet { padding:20px 18px calc(20px + env(safe-area-inset-bottom)); border-radius:24px; }
  .install-sheet h2 { font-size:26px; }
}
@media (prefers-reduced-motion: no-preference) {
  .product-card, .explore, .chip, .save { transition: transform .18s ease, border-color .18s ease, background .18s ease; }
  .product-card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
  .explore:active, .chip:active, .save:active { transform: scale(.96); }
  .install-sheet { animation:install-rise .28s ease-out both; }
}
@keyframes install-rise { from { opacity:0; transform:translateY(32px); } to { opacity:1; transform:translateY(0); } }