/* ProductOwner website: shared styles for every page (site/). Colours follow the app: blue #2458d6, green #10b981. */
:root {
  --bg: #f6f8fb; --surface: #ffffff; --surface-2: #eef2f7; --line: #dde3eb; --fg: #172033; --muted: #5b6980;
  --accent: #2458d6; --accent-ink: #fff; --accent-soft: #e8effd; --good: #177a3c; --code-bg: #0f1724; --code-fg: #e5eaf2;
  --shadow: 0 1px 2px rgba(16,24,40,.06), 0 12px 32px rgba(16,24,40,.08);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b1018; --surface: #121924; --surface-2: #182131; --line: #243044; --fg: #e5eaf2; --muted: #93a1b8;
    --accent: #5b8def; --accent-ink: #0b1018; --accent-soft: #17264a; --good: #4ade80; --code-bg: #070b12;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 12px 32px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"] {
  --bg: #0b1018; --surface: #121924; --surface-2: #182131; --line: #243044; --fg: #e5eaf2; --muted: #93a1b8;
  --accent: #5b8def; --accent-ink: #0b1018; --accent-soft: #17264a; --good: #4ade80; --code-bg: #070b12;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 12px 32px rgba(0,0,0,.35);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.6 "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre { font-family: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace; }
.wrap { width: min(1120px, 100% - 32px); margin: 0 auto; }
section { padding: 88px 0; }
h1, h2, h3 { line-height: 1.2; margin: 0; letter-spacing: -0.01em; }
h2 { font-size: clamp(28px, 4vw, 38px); }
.eyebrow { color: var(--accent); font-weight: 600; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 10px; }
.lead { color: var(--muted); font-size: 18px; max-width: 680px; margin: 14px 0 0; }

/* top bar */
header.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
header.top .wrap { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--fg); font-size: 18px; }
.brand:hover { text-decoration: none; }
.logo { display: block; }
nav.links { display: flex; gap: 22px; margin-left: auto; }
nav.links a { color: var(--muted); font-weight: 500; font-size: 15px; }
nav.links a:hover { color: var(--fg); text-decoration: none; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: 10px; font-weight: 600; font-size: 15px; border: 1px solid transparent; cursor: pointer; font-family: inherit; }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { border-color: var(--line); color: var(--fg); background: var(--surface); }
.btn-ghost:hover { border-color: var(--muted); }
.theme { background: none; border: 1px solid var(--line); color: var(--muted); width: 36px; height: 36px; border-radius: 9px; cursor: pointer; display: grid; place-items: center; }

/* hero */
.hero { padding: 84px 0 64px; position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: -40% -10% auto; height: 640px; background: radial-gradient(closest-side, color-mix(in srgb, var(--accent) 22%, transparent), transparent); pointer-events: none; }
.hero .wrap { position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(34px, 4.6vw, 52px); font-weight: 700; }
.hero h1 span { color: var(--accent); }
.hero .lead { font-size: 19px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.trust { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 26px; color: var(--muted); font-size: 14px; }
.trust span::before { content: "✓"; color: var(--good); font-weight: 700; margin-right: 6px; }

/* product preview */
.shot { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); overflow: hidden; }
.shot-bar { display: flex; gap: 6px; padding: 10px 12px; border-bottom: 1px solid var(--line); background: var(--surface-2); }
.shot-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.shot-body { display: grid; grid-template-columns: 120px 1fr; min-height: 300px; }
.shot-side { background: #111a2b; padding: 12px 10px; display: grid; gap: 8px; align-content: start; }
.shot-side b { display: block; height: 8px; border-radius: 4px; background: #24324a; }
.shot-side b.on { background: #3b5ea8; }
.shot-main { padding: 14px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; align-content: start; }
.col h4 { margin: 0 0 8px; font-size: 11px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
.card { background: var(--surface-2); border: 1px solid var(--line); border-radius: 8px; padding: 8px; margin-bottom: 8px; font-size: 11.5px; }
.card .k { color: var(--accent); font-family: "IBM Plex Mono", monospace; font-size: 10.5px; }
.card .tag { display: inline-block; margin-top: 5px; padding: 1px 6px; border-radius: 999px; font-size: 10px; background: var(--accent-soft); color: var(--accent); }
.card .tag.g { background: color-mix(in srgb, var(--good) 15%, transparent); color: var(--good); }


/* why: the comparison */
.why { padding-top: 40px; }
.compare { margin-top: 36px; border-radius: 24px; box-shadow: var(--shadow); overflow-x: auto; -webkit-overflow-scrolling: touch; }
.compare svg { display: block; width: 100%; min-width: 760px; height: auto; }
.leaks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 20px; }
.leak-card { background: var(--surface); border: 1px solid var(--line); border-left: 4px solid #e5484d; border-radius: 12px; padding: 18px 20px; }
.leak-card.good { border-left-color: var(--good); }
.leak-card b { font-size: 17px; }
.leak-card p { margin: 6px 0 0; color: var(--muted); font-size: 15px; }
/* benefits and savings */
.ben { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 36px; }
.ben-col { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
.ben-col h3 { font-size: 19px; margin-bottom: 10px; }
.ben-col ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.ben-col li { position: relative; padding-left: 26px; color: var(--muted); font-size: 15px; }
.ben-col li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--good); font-weight: 700; }
.save { margin-top: 20px; border-radius: 18px; padding: 28px; background: linear-gradient(135deg, #12235a, #0b1430); color: #e9efff; display: grid; grid-template-columns: 1fr 1.6fr; gap: 24px; align-items: center; }
.save .eyebrow { color: #8fb0ff; }
.save h3 { font-size: 24px; margin: 6px 0 8px; }
.save-head p { margin: 0; color: #b9c6e8; font-size: 15px; }
.save-nums { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.save-nums > div { background: rgba(255,255,255,.06); border: 1px solid rgba(150,175,255,.22); border-radius: 14px; padding: 16px; }
.save-nums .n { display: block; font-size: 34px; font-weight: 700; line-height: 1.1; color: #fff; }
.save-nums .l { display: block; margin-top: 6px; font-size: 14px; color: #c3cfee; }
.save-nums small { color: #8fa0c8; }
.save-note { grid-column: 1 / -1; margin: 0; font-size: 13px; color: #8fa0c8; }

/* tour video */
.tour { padding-top: 24px; }
.video { position: relative; border-radius: 16px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); background: #0b1220; aspect-ratio: 16 / 10; }
.video video { width: 100%; height: 100%; display: block; object-fit: cover; }
.chapters { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.chapters button { border: 1px solid var(--line); background: var(--surface); color: var(--fg); border-radius: 999px; padding: 6px 14px; font: inherit; font-size: 14px; cursor: pointer; }
.chapters button:hover { border-color: var(--accent); color: var(--accent); }
.vtabs { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 10px; margin-top: 26px; }
.vtabs button { text-align: left; border: 1px solid var(--line); background: var(--surface); color: var(--fg); border-radius: 14px; padding: 12px 16px; font: inherit; font-weight: 600; font-size: 16px; cursor: pointer; }
.vtabs button small { display: block; font-weight: 400; font-size: 13.5px; color: var(--muted); margin-top: 3px; }
.vtabs button[aria-selected="true"] { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }

/* features */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 40px; }
.feat { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
.feat .ic { width: 38px; height: 38px; border-radius: 10px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; margin-bottom: 14px; }
.feat h3 { font-size: 17px; margin-bottom: 6px; }
.feat p { margin: 0; color: var(--muted); font-size: 15px; }

/* flow */
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; margin-top: 40px; counter-reset: s; }
.step { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 18px; position: relative; }
.step::before { counter-increment: s; content: counter(s); width: 28px; height: 28px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); display: grid; place-items: center; font-weight: 700; font-size: 14px; margin-bottom: 10px; }
.step h3 { font-size: 15.5px; margin-bottom: 4px; }
.step p { margin: 0; color: var(--muted); font-size: 14px; }
.step small { display: block; margin-top: 8px; color: var(--accent); font-weight: 600; font-size: 12px; }

/* roles */
.roles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 40px; }
.role { border-left: 3px solid var(--accent); padding: 4px 0 4px 16px; }
.role h3 { font-size: 16px; margin-bottom: 4px; }
.role p { margin: 0; color: var(--muted); font-size: 15px; }

/* install */
.install { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.tabs { display: inline-flex; gap: 4px; padding: 4px; background: var(--surface-2); border: 1px solid var(--line); border-radius: 12px; margin-top: 32px; flex-wrap: wrap; }
.tabs button { border: 0; background: none; padding: 9px 16px; border-radius: 9px; font: inherit; font-weight: 600; font-size: 14.5px; color: var(--muted); cursor: pointer; }
.tabs button[aria-selected="true"] { background: var(--surface); color: var(--fg); box-shadow: 0 1px 3px rgba(0,0,0,.12); }
.panel { display: none; margin-top: 24px; }
.panel.on { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: 32px; }
.panel > *, ol.steps > li { min-width: 0; }
ol.steps { margin: 0; padding: 0; list-style: none; counter-reset: i; display: grid; gap: 18px; }
ol.steps > li { position: relative; padding-left: 44px; }
ol.steps > li::before { counter-increment: i; content: counter(i); position: absolute; left: 0; top: 0; width: 30px; height: 30px; border-radius: 50%; border: 2px solid var(--accent); color: var(--accent); display: grid; place-items: center; font-weight: 700; font-size: 14px; }
ol.steps h4 { margin: 3px 0 4px; font-size: 16px; }
ol.steps p { margin: 0 0 8px; color: var(--muted); font-size: 15px; }
.code { position: relative; background: var(--code-bg); color: var(--code-fg); border-radius: 10px; padding: 14px 76px 14px 16px; font-size: 13.5px; white-space: pre-wrap; word-break: break-all; border: 1px solid #1f2a3d; }
.code .p { color: #7f8ea8; user-select: none; }
.copy { position: absolute; top: 8px; right: 8px; background: #1e2a3f; color: #c7d1e0; border: 1px solid #2c3a52; border-radius: 7px; padding: 4px 9px; font: 600 12px "IBM Plex Sans", sans-serif; cursor: pointer; }
.copy:hover { background: #26354f; }
.result { background: var(--surface-2); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; font-size: 14px; }
.result b { color: var(--good); }
aside.box { background: var(--bg); border: 1px solid var(--line); border-radius: 14px; padding: 20px; align-self: start; }
aside.box h4 { margin: 0 0 10px; font-size: 15px; }
aside.box ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: 14.5px; }
aside.box li { margin-bottom: 6px; }
.note { margin-top: 14px; font-size: 14px; color: var(--muted); }

/* requirements */
table.req { width: 100%; border-collapse: collapse; margin-top: 32px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; font-size: 15px; }
table.req th, table.req td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.req th { width: 180px; color: var(--muted); font-weight: 600; background: var(--surface-2); }
table.req tr:last-child th, table.req tr:last-child td { border-bottom: 0; }

/* faq */
.faq { margin-top: 32px; display: grid; gap: 10px; max-width: 860px; }
details { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 4px 18px; }
summary { cursor: pointer; font-weight: 600; padding: 12px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
summary::after { content: "+"; color: var(--muted); font-weight: 400; font-size: 20px; line-height: 1; }
details[open] summary::after { content: "–"; }
details p { margin: 0 0 14px; color: var(--muted); }

/* cta + footer */
.final { text-align: center; }
.final .lead { margin-left: auto; margin-right: auto; }
.final .cta { justify-content: center; }

@media (max-width: 960px) {
  .hero .wrap, .panel.on { grid-template-columns: minmax(0, 1fr); }
  .grid, .roles { grid-template-columns: 1fr 1fr; }
  .ben, .leaks { grid-template-columns: 1fr; }
  .save { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  section { padding: 64px 0; }
  .grid, .roles, .flow { grid-template-columns: 1fr; }
  .save-nums { grid-template-columns: 1fr; }
  .shot-body { grid-template-columns: 1fr; }
  .shot-side { display: none; }
  .shot-main { grid-template-columns: 1fr 1fr; }
  .shot-main .col:nth-child(3) { display: none; }
  table.req th { width: 110px; }
}

/* ===== shared layout (all pages) ===== */
:root { --green: #10b981; --glow: color-mix(in srgb, var(--accent) 20%, transparent); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--accent); color: var(--accent-ink); padding: 8px 14px; border-radius: 8px; z-index: 50; }
.skip:focus { left: 12px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
header.top .wrap { gap: 18px; }
.brand { letter-spacing: -.01em; }
.logo { width: 32px; height: 32px; }
nav.links { gap: 4px; }
nav.links a { padding: 8px 12px; border-radius: 9px; }
nav.links a:hover { background: var(--surface-2); }
nav.links a[aria-current="page"] { color: var(--fg); background: var(--accent-soft); }
.btn-sm { padding: 8px 14px; font-size: 14.5px; }
.btn-lg { padding: 13px 22px; font-size: 16px; border-radius: 12px; }
.btn-primary { box-shadow: 0 6px 18px -6px color-mix(in srgb, var(--accent) 70%, transparent); }
.menu { display: none; background: none; border: 1px solid var(--line); width: 38px; height: 36px; border-radius: 9px; cursor: pointer; padding: 0 9px; flex-direction: column; justify-content: center; gap: 4px; }
.menu span { display: block; height: 2px; background: var(--fg); border-radius: 2px; transition: transform .2s, opacity .2s; }
.menu[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.muted { color: var(--muted); }
.center { text-align: center; }
.center .lead { margin-left: auto; margin-right: auto; }
.center .cta { justify-content: center; }
section.alt { background: var(--surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-weight: 600; font-size: 13px; }
.pill i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 3px color-mix(in srgb, var(--green) 25%, transparent); }
.soon { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--surface-2); color: var(--muted); border: 1px solid var(--line); vertical-align: middle; }

/* page hero (inner pages) */
.page-hero { padding: 72px 0 40px; position: relative; overflow: hidden; }
.page-hero::before { content: ""; position: absolute; inset: -60% -20% auto; height: 560px; background: radial-gradient(closest-side, var(--glow), transparent); pointer-events: none; }
.page-hero .wrap { position: relative; }
.page-hero h1 { font-size: clamp(32px, 4.4vw, 48px); max-width: 860px; }
.page-hero h1 span { color: var(--accent); }

/* home hero */
.hero-mark { display: grid; place-items: center; position: relative; }
.hero-mark::before { content: ""; position: absolute; width: 78%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(closest-side, color-mix(in srgb, var(--accent) 35%, transparent), transparent 70%); filter: blur(10px); }
.hero-mark img { position: relative; width: min(340px, 70vw); height: auto; animation: float 6s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(-10px); } }
@media (prefers-reduced-motion: reduce) { .hero-mark img { animation: none; } }
.hero-split { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 40px; align-items: center; }
.stack { margin-top: 56px; }

/* replaces strip */
.replaces { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.replaces span { padding: 8px 14px; border-radius: 10px; border: 1px dashed var(--line); color: var(--muted); font-size: 14px; background: var(--surface); }
.replaces span.one { border: 1px solid var(--accent); color: var(--accent); background: var(--accent-soft); font-weight: 600; }

/* cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 36px; }
.cards.two { grid-template-columns: repeat(2, 1fr); }
.cards.four { grid-template-columns: repeat(4, 1fr); }
.c { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 24px; transition: border-color .2s, transform .2s, box-shadow .2s; }
a.c { color: inherit; display: block; }
a.c:hover { text-decoration: none; border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow); }
.c h3 { font-size: 18px; margin-bottom: 8px; }
.c p { margin: 0; color: var(--muted); font-size: 15px; }
.c ul { margin: 12px 0 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.c li { position: relative; padding-left: 24px; color: var(--muted); font-size: 15px; }
.c li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 700; }
.c .more { display: inline-block; margin-top: 14px; font-weight: 600; font-size: 14.5px; color: var(--accent); }
.ico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 16px; background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 22%, transparent), color-mix(in srgb, var(--green) 14%, transparent)); color: var(--accent); }
.ico svg { width: 22px; height: 22px; }

/* feature groups (product page) */
.group { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 40px; padding: 56px 0; border-top: 1px solid var(--line); }
.group:first-of-type { border-top: 0; }
.group h2 { font-size: clamp(24px, 3vw, 30px); }
.group .lead { font-size: 16.5px; }
.group .list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.group .item { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
.group .item h3 { font-size: 16px; margin-bottom: 4px; }
.group .item p { margin: 0; color: var(--muted); font-size: 14.5px; }
.toc { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.toc a { padding: 7px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--fg); font-size: 14px; font-weight: 500; }
.toc a:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

/* download page */
.apps { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 36px; }
.app { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 26px; display: grid; gap: 14px; align-content: start; }
.app header { display: flex; align-items: center; gap: 14px; }
.app header .ico { margin: 0; }
.app h3 { font-size: 20px; }
.app p { margin: 0; color: var(--muted); }
.dl { display: flex; flex-wrap: wrap; gap: 10px; }
.store { display: inline-flex; align-items: center; gap: 10px; padding: 9px 16px; border-radius: 12px; background: #0b1018; color: #fff; border: 1px solid #2a3446; font-weight: 600; }
.store small { display: block; font-size: 11px; font-weight: 500; opacity: .75; line-height: 1.1; }
.store b { display: block; font-size: 15.5px; line-height: 1.2; }
.store svg { width: 22px; height: 22px; }
.store:hover { text-decoration: none; border-color: #4b5a75; }
.store[aria-disabled="true"] { opacity: .55; cursor: default; }
.os { display: inline-flex; align-items: center; gap: 8px; }
.os svg { width: 18px; height: 18px; }

/* pricing */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 40px; align-items: stretch; }
.plans.four { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1100px) { .plans.four { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .plans.four { grid-template-columns: 1fr; } }
.plan .yearly { font-size: 13px; color: var(--muted); margin-top: -8px; }
.custom-plan { margin-top: 22px; display: flex; gap: 20px; align-items: center; justify-content: space-between; flex-wrap: wrap; background: var(--surface); border: 1px dashed var(--line); border-radius: 18px; padding: 22px 28px; }
.custom-plan h3 { font-size: 20px; margin: 0 0 4px; }
.custom-plan p { margin: 0; color: var(--muted); }
table.compare-t tr.sect td { background: var(--surface-2); font-weight: 600; font-size: 13px; text-transform: uppercase; letter-spacing: .05em; }
.plan { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 28px; display: flex; flex-direction: column; gap: 14px; position: relative; }
.plan.pop { border: 2px solid var(--accent); box-shadow: 0 20px 50px -24px color-mix(in srgb, var(--accent) 60%, transparent); }
.plan .tag { position: absolute; top: -12px; left: 24px; background: var(--accent); color: var(--accent-ink); font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 999px; }
.plan h3 { font-size: 20px; }
.plan .price { font-size: 34px; font-weight: 700; letter-spacing: -.02em; line-height: 1.1; }
.plan .price small { font-size: 15px; font-weight: 500; color: var(--muted); letter-spacing: 0; }
.plan p { margin: 0; color: var(--muted); font-size: 15px; }
.plan ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 9px; flex: 1; }
.plan li { position: relative; padding-left: 24px; font-size: 15px; }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 700; }
.plan .btn { justify-content: center; }
table.compare-t { width: 100%; border-collapse: collapse; margin-top: 32px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; font-size: 15px; }
table.compare-t th, table.compare-t td { padding: 13px 16px; border-bottom: 1px solid var(--line); text-align: left; }
table.compare-t thead th { background: var(--surface-2); font-size: 14px; }
table.compare-t td:not(:first-child), table.compare-t th:not(:first-child) { text-align: center; }
table.compare-t tr:last-child td { border-bottom: 0; }
.yes { color: var(--green); font-weight: 700; }
.no { color: var(--muted); }
.scroll-x { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* services */
.team-roles { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.team-roles span { display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; border-radius: 12px; background: var(--surface); border: 1px solid var(--line); font-weight: 500; font-size: 14.5px; }
.team-roles span::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.models { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 36px; }
.banner { margin-top: 24px; border-radius: 22px; padding: 40px; background: radial-gradient(120% 140% at 0% 0%, #2f66e8 0%, #1a3c9e 45%, #0b1430 100%); color: #eaf0ff; display: grid; grid-template-columns: minmax(0, 1.4fr) auto; gap: 24px; align-items: center; position: relative; overflow: hidden; }
.banner h2 { color: #fff; }
.banner p { color: #c4d2f5; margin: 10px 0 0; max-width: 640px; }
.banner .btn-ghost { background: rgba(255,255,255,.08); color: #fff; border-color: rgba(255,255,255,.25); }
.banner .btn-primary { background: #fff; color: #1a3c9e; box-shadow: none; }
.banner .mark { position: absolute; right: -40px; bottom: -60px; width: 260px; opacity: .12; pointer-events: none; }

/* about / contact */
.contact { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 32px; }
.contact .c a { font-weight: 600; word-break: break-all; }
mark { background: color-mix(in srgb, #facc15 30%, transparent); color: inherit; padding: 0 4px; border-radius: 4px; }
.values { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 32px; }

/* legal pages */
.legal { width: min(780px, 100% - 32px); margin: 0 auto; padding: 56px 0 72px; }
.legal h1 { font-size: clamp(30px, 4.6vw, 40px); margin-bottom: 6px; }
.legal .meta { color: var(--muted); font-size: 14px; margin: 0 0 24px; }
.legal .intro { font-size: 18px; color: var(--muted); }
.legal h2 { font-size: 20px; margin: 36px 0 8px; }
.legal p, .legal li { max-width: 70ch; line-height: 1.7; }
.legal ul { padding-left: 22px; }
.legal .box { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 16px 20px; margin: 20px 0; }

/* footer */
footer.site { border-top: 1px solid var(--line); padding: 56px 0 calc(64px + env(safe-area-inset-bottom)); background: var(--surface); }
footer.site .wrap { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 28px; }
footer.site h4 { margin: 0 0 12px; font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--fg); }
footer.site a { display: block; color: var(--muted); padding: 3px 0; font-size: 14.5px; }
footer.site a:hover { color: var(--accent); }
footer.site .brand { display: inline-flex; color: var(--fg); font-size: 17px; padding: 0; }
.foot-brand p { margin: 12px 0 0; max-width: 320px; font-size: 14.5px; }
footer.site .foot-line { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 14.5px; color: var(--muted); line-height: 1.6; }
footer.site .foot-line a { display: inline; padding: 0; }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

@media (max-width: 960px) {
  nav.links { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; gap: 2px; padding: 10px 16px 16px; background: var(--bg); border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  nav.links.open { display: flex; }
  nav.links a { padding: 12px 14px; font-size: 16px; }
  .menu { display: flex; }
  .theme { margin-left: auto; }
  .hero-split, .group, .banner { grid-template-columns: minmax(0, 1fr); }
  .hero-mark { order: -1; }
  .hero-mark img { width: min(220px, 50vw); }
  .cards, .plans, .models, .values, .cards.four { grid-template-columns: 1fr 1fr; }
  .apps, .contact { grid-template-columns: 1fr; }
  footer.site .wrap { grid-template-columns: 1fr 1fr; }
  .foot-brand { grid-column: 1 / -1; }
}
@media (max-width: 620px) {
  .hide-sm { display: none; }
  .cards, .cards.two, .cards.four, .plans, .models, .values, .group .list { grid-template-columns: 1fr; }
  .page-hero { padding: 48px 0 24px; }
  .group { padding: 40px 0; gap: 20px; }
  .banner { padding: 28px; }
  .plan.pop { order: -1; }
}

/* the browser hides [hidden] only when nothing else sets display */
[hidden] { display: none !important; }

/* user guide */
.guide { max-width: 860px; }
.g-sec { padding: 34px 0; border-top: 1px solid var(--line); scroll-margin-top: 80px; }
.g-sec:first-child { border-top: 0; padding-top: 12px; }
.g-sec h2 { font-size: clamp(22px, 3vw, 28px); margin-bottom: 12px; }
.g-sec p { color: var(--muted); margin: 10px 0; }
.g-steps, .g-list { margin: 12px 0 0; padding-left: 22px; display: grid; gap: 10px; color: var(--muted); }
.g-steps b, .g-list b, .g-sec p b { color: var(--fg); }
.g-tip { background: var(--accent-soft); border-radius: 12px; padding: 12px 16px; color: var(--fg) !important; font-size: 15px; }
.g-grid, .g-flow { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 14px; }
.g-flow { grid-template-columns: repeat(3, 1fr); }
.g-grid > div, .g-flow > div { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 16px; display: grid; gap: 6px; }
.g-grid span, .g-flow span { color: var(--muted); font-size: 14.5px; }
@media (max-width: 760px) { .g-grid, .g-flow { grid-template-columns: 1fr; } }

/* =====================================================================
   Modern theme layer (2026 refresh): deeper colours, gradient accents,
   glass surfaces, softer depth. Overrides the base styles above.
   ===================================================================== */
:root {
  --bg: #f7f8fc; --surface: #ffffff; --surface-2: #f1f4fa; --line: #e3e8f2; --fg: #0e1526; --muted: #586379;
  --accent: #2f5bea; --accent-2: #06b6d4; --accent-3: #10b981; --accent-ink: #fff; --accent-soft: #eaf0ff;
  --grad: linear-gradient(120deg, #2f5bea 0%, #4f7cff 40%, #06b6d4 100%);
  --grad-text: linear-gradient(100deg, #2f5bea 0%, #3b82f6 45%, #0891b2 100%);
  --glass: color-mix(in srgb, var(--surface) 78%, transparent);
  --ring: color-mix(in srgb, var(--accent) 28%, var(--line));
  --shadow: 0 1px 2px rgba(15,23,42,.04), 0 8px 24px -8px rgba(15,23,42,.10), 0 24px 60px -24px rgba(47,91,234,.18);
  --radius: 20px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #06080f; --surface: #0d121d; --surface-2: #121a28; --line: rgba(148,163,200,.14); --fg: #eef2fa; --muted: #9aa6bd;
    --accent: #6d8cff; --accent-2: #22d3ee; --accent-3: #34d399; --accent-ink: #fff; --accent-soft: rgba(109,140,255,.12);
    --grad: linear-gradient(120deg, #3b5bfd 0%, #5b7cff 40%, #0ea5e9 100%);
    --grad-text: linear-gradient(100deg, #8da4ff 0%, #6d8cff 40%, #22d3ee 100%);
    --glass: rgba(17,24,39,.55);
    --ring: rgba(109,140,255,.35);
    --shadow: 0 1px 0 rgba(255,255,255,.04) inset, 0 20px 50px -20px rgba(0,0,0,.7), 0 30px 80px -40px rgba(59,91,253,.35);
  }
}
:root[data-theme="dark"] {
  --bg: #06080f; --surface: #0d121d; --surface-2: #121a28; --line: rgba(148,163,200,.14); --fg: #eef2fa; --muted: #9aa6bd;
  --accent: #6d8cff; --accent-2: #22d3ee; --accent-3: #34d399; --accent-ink: #fff; --accent-soft: rgba(109,140,255,.12);
  --grad: linear-gradient(120deg, #3b5bfd 0%, #5b7cff 40%, #0ea5e9 100%);
  --grad-text: linear-gradient(100deg, #8da4ff 0%, #6d8cff 40%, #22d3ee 100%);
  --glass: rgba(17,24,39,.55);
  --ring: rgba(109,140,255,.35);
  --shadow: 0 1px 0 rgba(255,255,255,.04) inset, 0 20px 50px -20px rgba(0,0,0,.7), 0 30px 80px -40px rgba(59,91,253,.35);
}

body { font-family: "Inter", "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif; font-feature-settings: "cv11", "ss01"; letter-spacing: -.003em; }
/* a soft aurora behind every page */
body::before { content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(900px 520px at 12% -8%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%),
    radial-gradient(760px 480px at 95% 6%, color-mix(in srgb, var(--accent-2) 11%, transparent), transparent 70%),
    radial-gradient(900px 600px at 50% 110%, color-mix(in srgb, var(--accent-3) 7%, transparent), transparent 70%); }
h1, h2, h3 { letter-spacing: -.025em; font-weight: 700; }
h1 { letter-spacing: -.035em; }
h2 { font-size: clamp(30px, 4.2vw, 44px); }
.lead { line-height: 1.65; }

/* gradient highlight on headline words */
.hero h1 span, .page-hero h1 span { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* eyebrow as a small chip */
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 5px 12px; border-radius: 999px; font-size: 12px; letter-spacing: .1em;
  background: var(--accent-soft); border: 1px solid var(--ring); color: var(--accent); margin-bottom: 16px; }
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--grad); box-shadow: 0 0 10px var(--accent); }
.save .eyebrow, .banner .eyebrow { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.18); color: #cfe0ff; }

/* header: frosted glass */
header.top { background: color-mix(in srgb, var(--bg) 70%, transparent); backdrop-filter: saturate(160%) blur(16px); -webkit-backdrop-filter: saturate(160%) blur(16px); border-bottom: 1px solid var(--line); }
header.top .wrap { height: 68px; }
nav.links a { font-size: 14.5px; }
nav.links a[aria-current="page"] { background: var(--accent-soft); color: var(--accent); }
.theme, .menu { background: var(--glass); }

/* buttons */
.btn { border-radius: 12px; transition: transform .15s ease, box-shadow .2s ease, filter .2s ease, border-color .2s, background .2s; }
.btn-primary { background: var(--grad); color: #fff; border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 1px 0 rgba(255,255,255,.25) inset, 0 10px 30px -10px color-mix(in srgb, var(--accent) 80%, transparent); }
.btn-primary:hover { transform: translateY(-1px); filter: brightness(1.06); box-shadow: 0 1px 0 rgba(255,255,255,.25) inset, 0 16px 40px -12px color-mix(in srgb, var(--accent) 90%, transparent); }
.btn-ghost { background: var(--glass); border-color: var(--line); backdrop-filter: blur(8px); }
.btn-ghost:hover { border-color: var(--ring); transform: translateY(-1px); }

/* hero */
.hero { padding: 104px 0 88px; }
.hero::before { inset: -30% -20% auto; height: 760px;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--accent) 26%, transparent), transparent),
              radial-gradient(40% 50% at 80% 40%, color-mix(in srgb, var(--accent-2) 16%, transparent), transparent); }
.hero::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px; mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000, transparent 75%); -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, #000, transparent 75%); }
.hero h1 { font-size: clamp(38px, 5.4vw, 64px); line-height: 1.05; }
.hero .lead { font-size: 19px; }
.pill { background: var(--glass); border: 1px solid var(--ring); color: var(--fg); backdrop-filter: blur(8px); }
.hero-mark::before { width: 90%; background: radial-gradient(closest-side, color-mix(in srgb, var(--accent) 45%, transparent), color-mix(in srgb, var(--accent-2) 18%, transparent) 55%, transparent 72%); filter: blur(24px); }
.hero-mark img { filter: drop-shadow(0 30px 60px color-mix(in srgb, var(--accent) 45%, transparent)); }
.page-hero { padding: 88px 0 48px; }

/* sections: no hard bands, a soft tint instead */
section { padding: 104px 0; position: relative; }
section.alt { background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--surface-2) 70%, transparent) 18%, color-mix(in srgb, var(--surface-2) 70%, transparent) 82%, transparent); border: 0; }
.install { background: transparent; border: 0; }

/* every card: glass surface, gradient hairline, lift on hover */
.c, .feat, .ben-col, .leak-card, .step, .group .item, .plan, .app, .g-grid > div, .g-flow > div, details, aside.box, .vtabs button, .shot {
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface) 92%, transparent), color-mix(in srgb, var(--surface) 72%, transparent));
  border: 1px solid var(--line); border-radius: var(--radius); backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 rgba(255,255,255,.05) inset; }
.c, .feat, .ben-col, .group .item, .app { transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; }
.c:hover, .feat:hover, .ben-col:hover, .group .item:hover, .app:hover { transform: translateY(-3px); border-color: var(--ring); box-shadow: var(--shadow); }
.c { padding: 28px; }
.leak-card { border-left-width: 1px; position: relative; overflow: hidden; }
.leak-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: linear-gradient(#f43f5e, #fb923c); }
.leak-card.good::before { background: linear-gradient(var(--accent-3), var(--accent-2)); }
.ico { border-radius: 14px; background: var(--grad); color: #fff; box-shadow: 0 8px 20px -8px color-mix(in srgb, var(--accent) 80%, transparent); }
.c li::before, .ben-col li::before, .plan li::before { color: var(--accent-3); }
.shot { border-radius: 18px; box-shadow: var(--shadow); }
.replaces span { border-radius: 999px; background: var(--glass); }
.replaces span.one { background: var(--grad); color: #fff; border-color: transparent; box-shadow: 0 8px 24px -10px var(--accent); }
.compare { border-radius: 24px; box-shadow: var(--shadow); border: 1px solid var(--line); }

/* video and chips */
.video { border-radius: 22px; box-shadow: var(--shadow); border-color: var(--ring); }
.chapters button, .toc a { background: var(--glass); border-radius: 999px; transition: all .2s; }
.chapters button:hover, .toc a:hover { background: var(--accent-soft); border-color: var(--ring); text-decoration: none; }
.vtabs button[aria-selected="true"] { border-color: transparent; box-shadow: 0 0 0 1.5px var(--accent) inset, var(--shadow); background: var(--accent-soft); }

/* savings and services banners: richer gradient with glow */
.save, .banner { border-radius: 26px; border: 1px solid rgba(140,170,255,.22);
  background: radial-gradient(80% 120% at 0% 0%, #3651f0 0%, transparent 60%), radial-gradient(70% 120% at 100% 100%, #0891b2 0%, transparent 55%), #0a1230;
  box-shadow: 0 30px 80px -30px rgba(54,81,240,.6); }
.save-nums > div { background: rgba(255,255,255,.07); border-radius: 16px; backdrop-filter: blur(6px); }
.banner .btn-primary { background: #fff; color: #1d3bd1; }

/* pricing highlight */
.plan.pop { border: 1px solid transparent; background:
  linear-gradient(var(--surface), var(--surface)) padding-box, var(--grad) border-box; box-shadow: var(--shadow); }
.plan .tag { background: var(--grad); }
.plan .price { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
table.req, table.compare-t { border-radius: var(--radius); }

/* final call to action */
.final .wrap { padding: 64px 32px; border-radius: 28px; border: 1px solid var(--ring);
  background: radial-gradient(60% 120% at 50% 0%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 70%), var(--glass); box-shadow: var(--shadow); }

/* footer */
footer.site { background: color-mix(in srgb, var(--surface) 60%, transparent); position: relative; border-top: 0; }
footer.site::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--accent), var(--accent-2), transparent); opacity: .6; }
footer.site h4 { color: var(--muted); font-size: 12px; }
footer.site a { color: var(--fg); opacity: .78; }
footer.site a:hover { opacity: 1; color: var(--accent); text-decoration: none; }

@media (max-width: 620px) {
  section { padding: 72px 0; }
  .hero { padding: 64px 0 56px; }
  .final .wrap { padding: 40px 20px; }
}
.hero .wrap, .page-hero .wrap { z-index: 1; }
.page-hero { overflow: visible; }

/* =====================================================================
   Motion and depth: 3D hero, tilting cards, moving light. Everything
   here is switched off for people who ask for reduced motion.
   ===================================================================== */
/* top scroll progress */
.progress { position: fixed; top: 0; left: 0; height: 3px; width: 100%; z-index: 60; transform-origin: 0 50%; transform: scaleX(var(--p, 0)); background: var(--grad); box-shadow: 0 0 12px var(--accent); pointer-events: none; }

/* animated aurora: the page background slowly drifts */
body::before { animation: aurora 22s ease-in-out infinite alternate; }
@keyframes aurora { 0% { transform: translate3d(0,0,0) scale(1); } 50% { transform: translate3d(-3%,2%,0) scale(1.06); } 100% { transform: translate3d(2%,-2%,0) scale(1.03); } }

/* shimmering gradient headline words */
.hero h1 span, .page-hero h1 span { background-size: 220% 100%; animation: shimmer 8s ease-in-out infinite; }
@keyframes shimmer { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }

/* hero: a 3D stage that follows the pointer */
.hero-mark { perspective: 1100px; min-height: 420px; }
.mark3d { position: relative; display: grid; place-items: center; transform-style: preserve-3d; transition: transform .25s ease-out;
  transform: rotateX(var(--rx, 6deg)) rotateY(var(--ry, -10deg)); }
.mark3d img { position: relative; transform: translateZ(40px); animation: float3d 7s ease-in-out infinite; }
@keyframes float3d { 50% { transform: translateZ(40px) translateY(-14px) rotateZ(-1.5deg); } }
.orbit { position: absolute; left: 50%; top: 50%; width: 460px; height: 460px; margin: -230px 0 0 -230px; border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent); transform: rotateX(72deg); transform-style: preserve-3d; pointer-events: none; }
.orbit::after { content: ""; position: absolute; top: -5px; left: 50%; width: 10px; height: 10px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 16px 4px var(--accent-2); }
.orbit.o1 { animation: spin 14s linear infinite; }
.orbit.o2 { width: 360px; height: 360px; margin: -180px 0 0 -180px; border-color: color-mix(in srgb, var(--accent-3) 40%, transparent); transform: rotateX(72deg) rotateY(18deg); animation: spin2 10s linear infinite reverse; }
.orbit.o2::after { background: var(--accent-3); box-shadow: 0 0 16px 4px var(--accent-3); }
@keyframes spin { to { transform: rotateX(72deg) rotateZ(360deg); } }
@keyframes spin2 { to { transform: rotateX(72deg) rotateY(18deg) rotateZ(360deg); } }
.chip3d { position: absolute; display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; padding: 9px 14px; border-radius: 14px; font-size: 13px; font-weight: 600; color: var(--fg);
  background: var(--glass); border: 1px solid var(--ring); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); box-shadow: var(--shadow); }
.chip3d b { font-family: "IBM Plex Mono", monospace; color: var(--accent); font-size: 12px; }
.chip3d i { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-3); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent-3) 22%, transparent); }
.chip3d i.live { background: #f43f5e; box-shadow: 0 0 0 4px rgba(244,63,94,.2); animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 8px rgba(244,63,94,0); } }
.chip3d.k1 { left: -6%; top: 14%; transform: translateZ(110px); animation: bob 6s ease-in-out infinite; }
.chip3d.k2 { right: -8%; top: 46%; transform: translateZ(140px); animation: bob 7s ease-in-out -2s infinite; }
.chip3d.k3 { left: 6%; bottom: 8%; transform: translateZ(90px); animation: bob 8s ease-in-out -4s infinite; }
@keyframes bob { 50% { translate: 0 -10px; } }

/* the board preview sits at an angle and straightens on hover */
.hero-split .shot, section.alt .shot { transform: perspective(1400px) rotateY(-14deg) rotateX(6deg); transition: transform .6s cubic-bezier(.2,.8,.2,1), box-shadow .6s; box-shadow: 30px 40px 80px -40px rgba(0,0,0,.55), var(--shadow); }
.hero-split .shot:hover, section.alt .shot:hover { transform: perspective(1400px) rotateY(0) rotateX(0); }
.shot .card { animation: cardIn .7s cubic-bezier(.2,.8,.2,1) both; }
.shot .col:nth-child(2) .card { animation-delay: .15s; } .shot .col:nth-child(3) .card { animation-delay: .3s; }
@keyframes cardIn { from { opacity: 0; transform: translateY(10px) scale(.97); } }

/* cards tilt toward the pointer, with a spotlight that follows it */
[data-tilt] { transform-style: preserve-3d; will-change: transform; }
[data-tilt].tilting { transition: transform .08s linear, border-color .25s, box-shadow .25s; }
[data-tilt] { position: relative; }
[data-tilt]::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity .3s;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), color-mix(in srgb, var(--accent) 16%, transparent), transparent 45%); }
[data-tilt]:hover::after { opacity: 1; }
[data-tilt] .ico { transform: translateZ(30px); transition: transform .3s; }
[data-tilt]:hover .ico { transform: translateZ(30px) scale(1.08) rotate(-4deg); }

/* buttons: a light sweep on hover */
.btn-primary { position: relative; overflow: hidden; }
.btn-primary::after { content: ""; position: absolute; inset: 0; background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,.35) 50%, transparent 70%); transform: translateX(-120%); transition: transform .7s ease; }
.btn-primary:hover::after { transform: translateX(120%); }

/* richer reveal: rise in from below with a slight 3D tilt, one after another */
.reveal { opacity: 0; transform: perspective(900px) translateY(26px) rotateX(8deg); transition: opacity .8s cubic-bezier(.2,.8,.2,1), transform .8s cubic-bezier(.2,.8,.2,1); transition-delay: var(--d, 0s); }
.reveal.in { opacity: 1; transform: none; }

/* glowing animated border on the main call to action */
.final .wrap { position: relative; overflow: hidden; }
.final .wrap::before { content: ""; position: absolute; inset: -1px; border-radius: inherit; padding: 1px; pointer-events: none;
  background: conic-gradient(from var(--a, 0deg), transparent 0 70%, var(--accent) 80%, var(--accent-2) 90%, transparent 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; animation: turn 6s linear infinite; }
@property --a { syntax: "<angle>"; initial-value: 0deg; inherits: false; }
@keyframes turn { to { --a: 360deg; } }

@media (max-width: 960px) {
  .hero-mark { min-height: 300px; }
  .orbit { width: 320px; height: 320px; margin: -160px 0 0 -160px; }
  .orbit.o2 { width: 250px; height: 250px; margin: -125px 0 0 -125px; }
  .chip3d { font-size: 12px; padding: 7px 11px; }
  .chip3d.k1 { left: 0; } .chip3d.k2 { right: 0; }
  .hero-split .shot, section.alt .shot { transform: none; }
}
@media (max-width: 620px) { .chip3d.k3 { display: none; } }

@media (prefers-reduced-motion: reduce) {
  body::before, .hero h1 span, .page-hero h1 span, .mark3d img, .orbit, .chip3d, .chip3d i.live, .shot .card, .final .wrap::before { animation: none !important; }
  .mark3d, [data-tilt] { transform: none !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .progress { display: none; }
}
/* hero stage fixes: no flattening layers inside the 3D stage */
.hero-mark::before { display: none; }
.mark3d::before { content: ""; position: absolute; left: 50%; top: 50%; width: 520px; height: 520px; margin: -260px 0 0 -260px; border-radius: 50%; pointer-events: none;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--accent) 40%, transparent), color-mix(in srgb, var(--accent-2) 14%, transparent) 60%, transparent 75%); transform: translateZ(-80px); }
.chip3d { backdrop-filter: none; -webkit-backdrop-filter: none; background: color-mix(in srgb, var(--surface) 92%, transparent); }
.chip3d.k1 { transform: translateZ(150px); }
.chip3d.k2 { transform: translateZ(170px); }
.chip3d.k3 { left: 2%; bottom: -4%; transform: translateZ(160px); }
.hero::after { display: none; }
.hero { background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(#000 70%, transparent); }
.hero-mark img { filter: none; }
html, body { overflow-x: clip; }
.mark3d { width: 100%; min-height: inherit; }
@media (max-width: 960px) { .chip3d.k1 { left: 2%; top: 10%; } .chip3d.k2 { right: 2%; top: auto; bottom: 14%; } }
.chip3d.k1 { left: 6%; top: 16%; } .chip3d.k2 { right: 0; top: 50%; } .chip3d.k3 { left: 12%; bottom: 6%; }
@media (max-width: 960px) {
  .chip3d.k1 { left: 8%; top: 12%; transform: translateZ(40px); }
  .chip3d.k2 { right: 6%; top: auto; bottom: 12%; transform: translateZ(50px); }
  .chip3d.k3 { transform: translateZ(40px); }
}

/* ===== Home hero v3: a story moving across the board, in 3D ===== */
.hero h1 { font-size: clamp(36px, 4.4vw, 58px); line-height: 1.06; }
.hero-split { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 56px; }
.hero-mark { min-height: 540px; }
.mark3d { min-height: 540px; }
.mark3d::before { width: 560px; height: 560px; margin: -280px 0 0 -280px; }
.orbit { width: 560px; height: 560px; margin: -280px 0 0 -280px; opacity: .55; }
.orbit.o2 { width: 470px; height: 470px; margin: -235px 0 0 -235px; }

.stage-board { position: absolute; left: 50%; top: 50%; width: 440px; margin: -150px 0 0 -220px; height: 300px; border-radius: 20px; transform: translateZ(30px);
  background: linear-gradient(180deg, color-mix(in srgb, var(--surface) 96%, transparent), color-mix(in srgb, var(--surface-2) 96%, transparent));
  border: 1px solid var(--ring); box-shadow: 0 40px 80px -30px rgba(0,0,0,.55), 0 0 0 1px rgba(255,255,255,.04) inset, 0 30px 90px -40px var(--accent); overflow: hidden; }
.sb-top { display: flex; align-items: center; gap: 6px; padding: 12px 14px; border-bottom: 1px solid var(--line); font-size: 12px; color: var(--muted); font-weight: 600; }
.sb-top i { width: 9px; height: 9px; border-radius: 50%; background: var(--line); }
.sb-top i:nth-child(1) { background: #f43f5e; } .sb-top i:nth-child(2) { background: #f59e0b; } .sb-top i:nth-child(3) { background: #10b981; }
.sb-top span { margin-left: 8px; }
.sb-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; padding: 14px; }
.sb-col { display: grid; gap: 8px; align-content: start; min-height: 190px; padding: 8px; border-radius: 12px; background: color-mix(in srgb, var(--surface-2) 70%, transparent); }
.sb-col b { font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.sb-col em { display: block; height: 34px; border-radius: 8px; background: color-mix(in srgb, var(--fg) 6%, transparent); border: 1px solid var(--line); }
.sb-col em.s { height: 24px; opacity: .6; }
.sb-col:nth-child(1) { box-shadow: inset 0 2px 0 #6d8cff; } .sb-col:nth-child(2) { box-shadow: inset 0 2px 0 #f59e0b; } .sb-col:nth-child(3) { box-shadow: inset 0 2px 0 #10b981; }

/* the story card walks Define → Build → Deliver */
.sb-story { position: absolute; top: 100px; left: 22px; width: calc((440px - 28px - 20px) / 3 - 8px); padding: 10px; border-radius: 10px; z-index: 2;
  background: var(--surface); border: 1px solid var(--accent); box-shadow: 0 14px 30px -12px color-mix(in srgb, var(--accent) 70%, transparent);
  animation: walk 9s cubic-bezier(.65,0,.35,1) infinite; }
.sb-story .k { display: block; font: 600 10.5px "IBM Plex Mono", monospace; color: var(--accent); }
.sb-story strong { display: block; font-size: 11.5px; line-height: 1.3; margin: 3px 0 7px; color: var(--fg); }
.sb-story .st { position: relative; display: block; height: 18px; }
.sb-story .st i { position: absolute; left: 0; top: 0; font-style: normal; font-size: 10px; font-weight: 700; padding: 2px 7px; border-radius: 999px; opacity: 0; white-space: nowrap; }
.sb-story .st .a { background: rgba(109,140,255,.16); color: var(--accent); animation: st-a 9s infinite; }
.sb-story .st .b { background: rgba(245,158,11,.18); color: #d97706; animation: st-b 9s infinite; }
.sb-story .st .c { background: rgba(16,185,129,.18); color: #059669; animation: st-c 9s infinite; }
@keyframes walk { 0%, 24% { transform: translateX(0); } 33%, 57% { transform: translateX(calc(100% + 18px)); } 66%, 92% { transform: translateX(calc(200% + 36px)); } 97% { transform: translateX(calc(200% + 36px)); opacity: 0; } 98% { transform: translateX(0); opacity: 0; } 100% { opacity: 1; } }
@keyframes st-a { 0%, 26% { opacity: 1; } 30%, 100% { opacity: 0; } }
@keyframes st-b { 0%, 30% { opacity: 0; } 34%, 59% { opacity: 1; } 63%, 100% { opacity: 0; } }
@keyframes st-c { 0%, 63% { opacity: 0; } 67%, 94% { opacity: 1; } 97%, 100% { opacity: 0; } }
.sb-track { position: absolute; left: 14px; right: 14px; bottom: 14px; height: 4px; border-radius: 4px; background: var(--line); overflow: hidden; }
.sb-track i { display: block; height: 100%; width: 100%; background: var(--grad); transform-origin: 0 50%; animation: track 9s cubic-bezier(.65,0,.35,1) infinite; }
@keyframes track { 0%, 24% { transform: scaleX(.33); } 33%, 57% { transform: scaleX(.66); } 66%, 95% { transform: scaleX(1); } 100% { transform: scaleX(.33); } }

/* logo badge floats in front of the board's corner */
.mark3d img.badge3d { position: absolute; width: 112px; height: auto; right: calc(50% - 250px); top: calc(50% - 200px); transform: translateZ(120px); animation: badge 7s ease-in-out infinite; filter: none; }
@keyframes badge { 50% { transform: translateZ(120px) translateY(-10px) rotate(-4deg); } }

/* status chips: outside the board, one lights up per step */
.chip3d { opacity: .35; transition: opacity .4s; }
.chip3d.k1 { left: calc(50% - 230px); right: auto; top: calc(50% - 222px); bottom: auto; transform: translateZ(90px); animation: chip1 9s infinite, bob 6s ease-in-out infinite; }
.chip3d.k2 { right: calc(50% - 250px); left: auto; top: calc(50% + 172px); bottom: auto; transform: translateZ(110px); animation: chip2 9s infinite, bob 7s ease-in-out -2s infinite; }
.chip3d.k3 { left: calc(50% - 250px); right: auto; top: calc(50% + 172px); bottom: auto; transform: translateZ(100px); animation: chip3 9s infinite, bob 8s ease-in-out -4s infinite; }
.chip3d.k3 { top: calc(50% + 228px); left: calc(50% - 150px); }
@keyframes chip1 { 0%, 28% { opacity: 1; } 34%, 100% { opacity: .35; } }
@keyframes chip2 { 0%, 31% { opacity: .35; } 36%, 60% { opacity: 1; } 66%, 100% { opacity: .35; } }
@keyframes chip3 { 0%, 64% { opacity: .35; } 69%, 94% { opacity: 1; } 100% { opacity: .35; } }

@media (max-width: 1100px) and (min-width: 961px) { .hero-mark, .mark3d { min-height: 500px; } .mark3d { transform: scale(.88) rotateX(var(--rx, 6deg)) rotateY(var(--ry, -10deg)); } }
@media (max-width: 960px) {
  .hero-mark, .mark3d { min-height: 470px; }
  .hero-mark { order: 1; }
  .chip3d.k1 { transform: translateZ(40px); } .chip3d.k2 { transform: translateZ(40px); } .chip3d.k3 { transform: translateZ(40px); }
}
@media (max-width: 520px) {
  .mark3d { transform: scale(.78); transform-origin: 50% 50%; }
  .hero-mark, .mark3d { min-height: 420px; }
  .orbit { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .sb-story, .sb-story .st i, .sb-track i, .badge3d, .chip3d { animation: none !important; }
  .sb-story .st .a, .chip3d { opacity: 1; }
}
@keyframes walk { 0%, 24% { transform: translateX(0); opacity: 1; } 33%, 57% { transform: translateX(calc(100% + 18px)); opacity: 1; } 66%, 92% { transform: translateX(calc(200% + 36px)); opacity: 1; } 96% { transform: translateX(calc(200% + 36px)); opacity: 0; } 97% { transform: translateX(0); opacity: 0; } 100% { transform: translateX(0); opacity: 1; } }
@keyframes chip1 { 0%, 28% { opacity: 1; } 34%, 100% { opacity: .55; } }
@keyframes chip2 { 0%, 31% { opacity: .55; } 36%, 60% { opacity: 1; } 66%, 100% { opacity: .55; } }
@keyframes chip3 { 0%, 64% { opacity: .55; } 69%, 94% { opacity: 1; } 100% { opacity: .55; } }
.chip3d.k2 { top: calc(50% + 165px); }
.chip3d.k3 { top: calc(50% + 165px); left: calc(50% - 240px); }
@media (max-width: 520px) { .mark3d img.badge3d { width: 84px; right: calc(50% - 200px); top: calc(50% - 190px); } }

/* ===== Motion on every page ===== */
/* page heroes: headline, text and links rise in one after another */
.page-hero .wrap > *, .hero-split > div:first-child > * { animation: rise .9s cubic-bezier(.2,.8,.2,1) both; }
.page-hero .wrap > *:nth-child(2), .hero-split > div:first-child > *:nth-child(2) { animation-delay: .08s; }
.page-hero .wrap > *:nth-child(3), .hero-split > div:first-child > *:nth-child(3) { animation-delay: .16s; }
.page-hero .wrap > *:nth-child(4), .hero-split > div:first-child > *:nth-child(4) { animation-delay: .24s; }
.page-hero .wrap > *:nth-child(5), .hero-split > div:first-child > *:nth-child(5) { animation-delay: .32s; }
.hero-mark { animation: stageIn 1.2s cubic-bezier(.2,.8,.2,1) .2s both; }
@keyframes rise { from { opacity: 0; transform: translateY(22px); filter: blur(6px); } }
@keyframes stageIn { from { opacity: 0; transform: translateY(30px) scale(.94); } }
/* drifting light shapes behind every page heading */
.page-hero::after { content: ""; position: absolute; width: 380px; height: 380px; right: -60px; top: -80px; border-radius: 42% 58% 63% 37% / 41% 44% 56% 59%; pointer-events: none; z-index: 0;
  background: conic-gradient(from 120deg, color-mix(in srgb, var(--accent) 40%, transparent), color-mix(in srgb, var(--accent-2) 30%, transparent), color-mix(in srgb, var(--accent-3) 20%, transparent), color-mix(in srgb, var(--accent) 40%, transparent));
  filter: blur(60px); opacity: .55; animation: blob 18s ease-in-out infinite alternate; }
@keyframes blob { 0% { transform: translate(0,0) rotate(0) scale(1); border-radius: 42% 58% 63% 37% / 41% 44% 56% 59%; } 50% { transform: translate(-80px,40px) rotate(60deg) scale(1.15); border-radius: 58% 42% 38% 62% / 55% 61% 39% 45%; } 100% { transform: translate(-30px,90px) rotate(120deg) scale(.95); } }
/* table of contents chips float in */
.toc a { animation: rise .7s cubic-bezier(.2,.8,.2,1) both; }
.toc a:nth-child(2) { animation-delay: .05s; } .toc a:nth-child(3) { animation-delay: .1s; } .toc a:nth-child(4) { animation-delay: .15s; } .toc a:nth-child(5) { animation-delay: .2s; } .toc a:nth-child(n+6) { animation-delay: .25s; }
/* section icons gently breathe */
.ico { animation: breathe 5s ease-in-out infinite; }
@keyframes breathe { 50% { box-shadow: 0 10px 26px -6px color-mix(in srgb, var(--accent) 95%, transparent); } }
/* table rows and FAQ items slide in */
table.req tr, table.compare-t tbody tr, .faq details { transition: background .2s; }
table.compare-t tbody tr:hover, table.req tr:hover { background: var(--accent-soft); }
details[open] { border-color: var(--ring); box-shadow: var(--shadow); }
details[open] p { animation: rise .45s ease both; }
/* legal pages and user guide fade in */
.legal, .guide { animation: rise .8s cubic-bezier(.2,.8,.2,1) both; }
@media (prefers-reduced-motion: reduce) {
  .page-hero .wrap > *, .hero-split > div:first-child > *, .hero-mark, .page-hero::after, .toc a, .ico, .legal, .guide, details[open] p { animation: none !important; }
}