/* Starline public site. Same system as the product: near-black ground, one lime accent, IBM Plex, hairline borders,
   mono tabular figures. Depth from surface steps, not shadows. Motion is transform and opacity only and switches off under
   prefers-reduced-motion. Mobile first where it matters: one column under 760 px, 16 px inputs, 44 px tap targets. */
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 400; font-display: swap; src: url(/fonts/ibm-plex-sans-latin-400-normal.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 500; font-display: swap; src: url(/fonts/ibm-plex-sans-latin-500-normal.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 600 700; font-display: swap; src: url(/fonts/ibm-plex-sans-latin-600-normal.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 500; font-display: swap; src: url(/fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2"); }
:root {
  --bg: #0a0c0a; --bg2: #101410; --bg3: #161b16; --bg4: #1d231d;
  --line: #222a22; --line2: #2e372e; --line3: #3b463b;
  --fg: #eef2ea; --fg2: #aab4a6; --fg3: #6f7a6d; --fg4: #4a534a;
  --lime: #c4f82a; --lime-ink: #0a0c0a; --lime-08: rgba(196,248,42,.08); --lime-14: rgba(196,248,42,.14); --lime-25: rgba(196,248,42,.25);
  --neg: #ff6b6b; --pos: #8fe36a;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif; --mono: "IBM Plex Mono", ui-monospace, monospace;
  --ease: cubic-bezier(.2,.7,.2,1); --spring: cubic-bezier(.34,1.4,.64,1);
  --r: 12px; --r2: 18px; --maxw: 1200px;
}
* { box-sizing: border-box; }
html { color-scheme: dark; scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.5 var(--sans); overflow-x: clip; }
a { color: var(--lime); text-decoration: none; } a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }
.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }
:focus-visible { outline: 2px solid var(--lime); outline-offset: 3px; border-radius: 4px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--lime); color: var(--lime-ink); padding: 6px 10px; z-index: 100; } .skip:focus { left: 8px; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 max(22px, env(safe-area-inset-left)); }
[hidden] { display: none !important; }

/* header */
.hd { position: sticky; top: 0; z-index: 30; border-bottom: 1px solid transparent; transition: background .25s var(--ease), border-color .25s var(--ease); }
.hd.stuck { background: rgba(10,12,10,.88); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom-color: var(--line); }
.hd-in { max-width: var(--maxw); margin: 0 auto; padding: 12px max(22px, env(safe-area-inset-left)); display: flex; align-items: center; gap: 10px; min-height: 66px; }
.brand { display: flex; } .brand img { height: 23px; width: auto; display: block; }
.hd-nav { margin-left: auto; display: flex; gap: 2px; }
.hd-nav a, .hd-signin { position: relative; color: var(--fg2); font-weight: 500; font-size: 14px; padding: 10px 12px; border-radius: 8px; }
.hd-nav a::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 4px; height: 2px; background: var(--lime); transform: scaleX(0); transform-origin: left; transition: transform .24s var(--ease); }
.hd-nav a:hover, .hd-signin:hover { color: var(--fg); text-decoration: none; } .hd-nav a:hover::after { transform: scaleX(1); }
.hd-signin { margin-left: 6px; }

/* buttons */
.cta { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; background: var(--lime); color: var(--lime-ink); font-weight: 650; font-size: 14px; padding: 11px 18px; border-radius: 10px; border: 0; cursor: pointer; white-space: nowrap; transition: background .16s, transform .16s var(--spring), box-shadow .16s; }
.cta:hover { background: #d3ff45; text-decoration: none; box-shadow: 0 0 0 4px var(--lime-14); } .cta:active { transform: scale(.97); }
.cta.big { font-size: 15px; padding: 15px 26px; min-height: 50px; }
.cta:disabled { opacity: .5; cursor: default; }
.ghost { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; border: 1px solid var(--line2); color: var(--fg); font-weight: 550; font-size: 15px; padding: 14px 24px; border-radius: 10px; white-space: nowrap; transition: border-color .16s, background .16s, transform .16s var(--spring); }
.ghost:hover { border-color: var(--line3); background: var(--bg3); text-decoration: none; } .ghost:active { transform: scale(.97); }
.ctas { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; } .ctas.center { justify-content: center; }
.fine { font-size: 12.5px; color: var(--fg3); margin: 16px 0 0; }

/* hero */
.hero { display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr); gap: 54px; align-items: center; padding-top: 56px; padding-bottom: 56px; }
.hero.solo { grid-template-columns: minmax(0, 780px); padding-top: 88px; padding-bottom: 96px; }   /* no product picture: the public page shows no data (2 Oct) */
.kicker { font-size: 13px; color: var(--fg3); margin: 0 0 18px; }
h1 { font-size: clamp(36px, 4.3vw, 60px); line-height: 1.05; letter-spacing: -.03em; font-weight: 650; margin: 0; text-wrap: balance; }
h1 .hl { color: var(--lime); -webkit-box-decoration-break: clone; box-decoration-break: clone; background: linear-gradient(var(--lime), var(--lime)) no-repeat left bottom / 0 .055em; animation: sweep .85s .35s var(--ease) forwards; }
@keyframes sweep { to { background-size: 100% .055em; } }
.sub { font-size: 18px; line-height: 1.5; color: var(--fg2); max-width: 46ch; margin: 22px 0 30px; text-wrap: pretty; }
.shot { margin: 0; border: 1px solid var(--line); border-radius: var(--r2); overflow: hidden; background: var(--bg2); }
.shot img { display: block; width: 100%; height: auto; }


/* method */
h2 { font-size: clamp(27px, 3.1vw, 40px); line-height: 1.1; letter-spacing: -.028em; font-weight: 650; margin: 0 0 18px; text-wrap: balance; max-width: 22ch; }
h3 { font-size: 20px; margin: 0 0 9px; font-weight: 600; letter-spacing: -.012em; }
.lead { font-size: 16px; line-height: 1.6; color: var(--fg2); max-width: 58ch; text-wrap: pretty; margin: 0; }
.how { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 56px; padding-bottom: 92px; }
.how-stick { position: sticky; top: 100px; align-self: start; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.steps li { border: 1px solid var(--line); border-radius: var(--r2); background: var(--bg2); padding: 24px 26px; transition: border-color .2s var(--ease), background .2s var(--ease); }
.steps li:hover { border-color: var(--line3); background: var(--bg3); }
.sn { font-size: 12px; color: var(--lime); letter-spacing: .08em; display: block; margin-bottom: 8px; }
.steps p { margin: 0; color: var(--fg2); font-size: 15px; line-height: 1.62; }

/* tools */
.tools { padding-bottom: 72px; }
.grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; margin-top: 34px; }
.grid > .tile { grid-column: span 2; } .grid > .tile.half { grid-column: span 3; }
.tile { position: relative; overflow: hidden; border: 1px solid var(--line); border-radius: var(--r2); background: var(--bg2); padding: 26px; display: flex; flex-direction: column; transition: border-color .2s var(--ease), transform .3s var(--ease); }
.tile::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .3s var(--ease); background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 50%), var(--lime-08), transparent 62%); }
.tile:hover { border-color: var(--line3); transform: translateY(-3px); } .tile:hover::after { opacity: 1; }
.tile p { margin: 0; color: var(--fg2); font-size: 14.5px; line-height: 1.62; }
/* middles diagram + record steps (small tiles) */
.mv { margin: auto 0 0; padding-top: 22px; display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); row-gap: 6px; font-size: 12px; }
.mv-bar { display: flex; align-items: center; justify-content: space-between; gap: 6px; min-width: 0; height: 26px; padding: 0 9px; border: 1px solid var(--line2); background: var(--bg3); color: var(--fg); white-space: nowrap; overflow: hidden; }
.mv-bar b { font-weight: 500; color: var(--fg3); }
.mv-bar.over { grid-column: 3 / 8; border-right: 0; border-radius: 7px 0 0 7px; }
.mv-bar.under { grid-column: 1 / 6; border-left: 0; border-radius: 0 7px 7px 0; }
.mv-scale { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); margin: 2px 0 0; padding: 6px 0 0; list-style: none; text-align: center; color: var(--fg3); border-top: 1px solid var(--line2); }
.mv-scale li { padding: 3px 0; } .mv-scale .w { background: var(--lime-25); color: var(--fg); font-weight: 600; } .mv-scale .s { border-radius: 6px 0 0 6px; } .mv-scale .e { border-radius: 0 6px 6px 0; }
.mv figcaption { grid-column: 1 / -1; margin-top: 4px; font-size: 12.5px; color: var(--fg3); }
.rv { margin: auto 0 0; padding: 22px 0 0; list-style: none; font-size: 13px; line-height: 1.45; }
.rv li { position: relative; padding: 0 0 12px 24px; color: var(--fg3); }
.rv li::before { content: ""; position: absolute; left: 2px; top: 4px; width: 11px; height: 11px; box-sizing: border-box; border-radius: 50%; border: 2px solid var(--lime); background: var(--bg2); }
.rv li:not(:last-child)::after { content: ""; position: absolute; left: 7px; top: 17px; bottom: 1px; width: 1px; background: var(--line3); }
.rv li:last-child { padding-bottom: 0; } .rv li:last-child::before { background: var(--lime); }
.rv b { color: var(--fg); font-weight: 600; }
.fit { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 12px; }
.fit > div { border: 1px solid var(--line); border-radius: var(--r2); padding: 22px 24px; background: linear-gradient(180deg, var(--bg2), var(--bg)); }
.fit h3 { font-size: 17px; } .fit p { margin: 0; color: var(--fg2); font-size: 14px; line-height: 1.6; }

/* coverage */
.cover { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; padding-bottom: 92px; }
.cover h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .09em; color: var(--fg3); font-weight: 600; margin-bottom: 14px; }
.chips { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips li { border: 1px solid var(--line2); border-radius: 999px; padding: 7px 14px; font-size: 14px; color: var(--fg); background: var(--bg2); }

/* record */
.record { margin-bottom: 92px; }
.record-in { border: 1px solid var(--line); border-radius: 22px; background: var(--bg2); padding: 56px 40px; text-align: center; }
.record h2 { max-width: none; }
.record .lead { margin: 28px auto 0; }

/* access */
.access { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: start; padding-bottom: 92px; }
.ticks { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 10px; color: var(--fg2); }
.ticks li::before { content: ""; display: inline-block; width: 7px; height: 12px; border: solid var(--lime); border-width: 0 2px 2px 0; transform: rotate(45deg); margin: 0 12px 2px 3px; }
.access-form, .access-done { border: 1px solid var(--line2); border-radius: var(--r2); background: var(--bg2); padding: 26px; display: grid; gap: 14px; }
.access-form label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--fg3); text-transform: uppercase; letter-spacing: .06em; }
.access-form .opt { text-transform: none; letter-spacing: 0; color: var(--fg4); }
.access-form input { font: 16px/1.3 var(--sans); color: var(--fg); background: var(--bg); border: 1px solid var(--line2); border-radius: 10px; padding: 12px 13px; text-transform: none; letter-spacing: 0; transition: border-color .15s, box-shadow .15s; }
.access-form input:focus { outline: none; border-color: rgba(196,248,42,.5); box-shadow: 0 0 0 3px var(--lime-08); }
.access-form .cta { width: 100%; }
.access-form .fine { margin: 0; }
.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-err { color: var(--neg); background: rgba(255,107,107,.12); border: 1px solid rgba(255,107,107,.3); border-radius: 8px; padding: 9px 11px; font-size: 13.5px; }
.access-done h3 { color: var(--lime); font-size: 22px; margin: 0; }

/* questions */
.faq { padding-bottom: 92px; }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 28px; }
.faq details { border: 1px solid var(--line); border-radius: var(--r); background: var(--bg2); padding: 18px 22px; transition: border-color .2s; }
.faq details[open] { border-color: var(--line3); }
.faq summary { cursor: pointer; font-weight: 600; font-size: 16px; list-style: none; display: flex; align-items: center; gap: 12px; min-height: 28px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; margin-left: auto; color: var(--lime); font-family: var(--mono); font-size: 19px; transition: transform .2s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq p { margin: 12px 0 0; color: var(--fg2); font-size: 14.5px; line-height: 1.62; }

/* close + footer */
.end { text-align: center; padding-bottom: 92px; }
.end-star { display: block; margin: 0 auto 18px; height: 26px; width: auto; }
.end h2 { font-size: clamp(29px, 3.6vw, 46px); margin: 0 auto 12px; max-width: none; }
.end p { color: var(--fg2); margin: 0 0 26px; }
.ft { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; border-top: 1px solid var(--line); padding-top: 26px; padding-bottom: calc(48px + env(safe-area-inset-bottom)); font-size: 12.5px; color: var(--fg3); }
.ft-brand { height: 16px; width: auto; }
.ft-c { flex: 1; min-width: 280px; display: flex; align-items: flex-start; gap: 12px; max-width: 80ch; line-height: 1.55; }
.ft-c a { color: var(--fg2); text-decoration: underline; text-underline-offset: 2px; }
.b18 { border: 1px solid var(--line3); border-radius: 999px; padding: 2px 9px; font-weight: 700; color: var(--fg2); flex: none; }
.ft-r { margin-left: auto; display: flex; gap: 16px; } .ft-r a { color: var(--fg3); } .ft-r a:hover { color: var(--lime); }

/* motion */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s var(--ease), transform .55s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; } h1 .hl { background-size: 100% .055em; }
}

/* responsive */
@media (max-width: 1080px) {
  .hero { grid-template-columns: 1fr; gap: 36px; padding-top: 36px; } .hero.solo { padding-top: 56px; padding-bottom: 64px; }
  .how { grid-template-columns: 1fr; gap: 28px; } .how-stick { position: static; }
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .grid > .tile, .grid > .tile.half { grid-column: span 1; } .grid > .tile.first { grid-column: 1 / -1; }
  .fit { grid-template-columns: 1fr; }
  .access { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 760px) {
  body { font-size: 15.5px; }
  .hd-nav { display: none; } .hd-signin { margin-left: auto; padding: 10px 8px; }
  .hd-in { min-height: 58px; padding-top: 8px; padding-bottom: 8px; } .hd .cta { padding: 10px 14px; min-height: 40px; }
  .grid, .faq-grid, .cover { grid-template-columns: minmax(0, 1fr); } .grid > .tile, .grid > .tile.half, .grid > .tile.first { grid-column: auto; }
  .tile { padding: 22px; }
  .record-in { padding: 38px 18px; }
  .how, .tools, .cover, .record, .access, .faq, .end { padding-bottom: 64px; } .record { margin-bottom: 64px; }
  .sub { font-size: 17px; margin: 18px 0 24px; }
  .ctas .cta, .ctas .ghost { flex: 1 1 auto; }
  .access-form { padding: 20px; }
}
@media (max-width: 380px) { .hd .cta { display: none; } }

/* legal pages */
.legal { max-width: 760px; padding-top: 40px; padding-bottom: 60px; }
.legal h1 { font-size: clamp(30px, 4vw, 44px); margin-bottom: 8px; }
.legal h2 { font-size: 21px; margin: 34px 0 10px; max-width: none; }
.legal p, .legal li { color: var(--fg2); line-height: 1.65; }
.legal ul { padding-left: 20px; } .legal li { margin: 6px 0; }
.legal .lead { margin-top: 18px; }