/* Response Vision website. Follows the brand guidelines: Night first, Raleway + JetBrains Mono,
   five-colour palette, yellow V only in the logo, status colours only for points of interest. */
@font-face { font-family: "Raleway"; src: url("fonts/Raleway.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("fonts/JetBrainsMono.woff2") format("woff2"); font-weight: 100 800; font-display: swap; }

:root {
  --night: #151618; --surface: #1E1F22; --raised: #26272A; --line: #35363A; --charcoal: #353435;
  --fg: #F2F2F0; --fg2: #B4B6BB; --fg3: #8A8D93;
  --yellow: #F1AD33; --green: #557A43; --blue: #3EA0F5;
  --open: #E5484D; --monitor: #F1AD33; --dealt: #5FA04C; --not: #8D9096;
  --sans: "Raleway", "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--night); color: var(--fg); font: 400 17px/1.6 var(--sans); font-variant-numeric: lining-nums; }
img, svg { max-width: 100%; }
a { color: var(--blue); }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }
h1, h2, h3, h4 { margin: 0; font-weight: 800; line-height: 1.12; letter-spacing: -.01em; text-wrap: balance; }
p { margin: 0; }
.wrap { width: min(1140px, 100% - 40px); margin-inline: auto; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.muted { color: var(--fg2); }
.eyebrow { font-size: 12px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: var(--fg3); display: flex; align-items: center; gap: 12px; }
.eyebrow::before { content: ""; width: 28px; height: 3px; background: var(--fg); }
.skip { position: absolute; left: -999px; top: 8px; background: #fff; color: var(--night); padding: 8px 12px; border-radius: 6px; z-index: 50; }
.skip:focus { left: 8px; }

/* buttons: white with Night text for the main action, outline for the rest. No brand colour on controls. */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 22px; border-radius: 8px;
  font: 700 16px var(--sans); text-decoration: none; cursor: pointer; border: 1.5px solid #4A4B50; background: transparent; color: var(--fg); }
.btn:hover { border-color: var(--fg2); }
.btn.primary { background: #fff; border-color: #fff; color: var(--night); }
.btn.primary:hover { background: #DADAD7; border-color: #DADAD7; }

/* header */
.top { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--night) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; gap: 24px; height: 68px; }
.lockup { display: inline-flex; align-items: center; gap: 12px; color: #fff; text-decoration: none; }
.lockup img { height: 30px; width: auto; display: block; }
.lockup span { font-weight: 700; text-transform: uppercase; letter-spacing: .02em; line-height: .98; font-size: 14px; }
.top nav { margin-left: auto; display: flex; gap: 4px; }
.top nav a { color: var(--fg2); text-decoration: none; font-weight: 600; font-size: 15px; padding: 8px 12px; border-radius: 6px; }
.top nav a:hover { color: var(--fg); background: var(--raised); }
.top .btn { min-height: 40px; padding: 0 16px; font-size: 15px; }
@media (max-width: 900px) { .top nav { display: none; } .top .btn { margin-left: auto; } }

/* hero */
.hero { position: relative; overflow: hidden; padding: 88px 0 72px; border-bottom: 1px solid var(--line); }
.hero .pattern { position: absolute; inset: 0 0 0 auto; width: 46%; opacity: .5;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 60%); mask-image: linear-gradient(90deg, transparent, #000 60%); }
.hero .wrap { position: relative; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(40px, 6.4vw, 76px); margin: 18px 0 22px; }
.hero .lead { font-size: 20px; color: var(--fg2); max-width: 36ch; }
.hero .cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
@media (max-width: 900px) { .hero { padding-top: 56px; } .hero .wrap { grid-template-columns: 1fr; } .hero .pattern { width: 100%; opacity: .25; } }

/* phone mock: the app as crews see it */
.phone { width: 320px; max-width: 100%; margin-inline: auto; border-radius: 30px; border: 7px solid #0b0b0c; background: var(--night);
  overflow: hidden; box-shadow: 0 0 0 1px var(--line), 0 30px 80px rgba(0, 0, 0, .55); font-size: 12px; }
.ph-h { display: flex; align-items: center; gap: 8px; padding: 10px 12px; background: var(--surface); border-bottom: 1px solid var(--line); }
.ph-h img { width: 22px; height: 22px; }
.ph-h b { display: block; font-size: 12px; } .ph-h span { color: var(--fg2); font-size: 10px; }
.ph-map { position: relative; height: 230px; background: radial-gradient(circle at 25% 30%, #34472f, transparent 55%),
  radial-gradient(circle at 80% 70%, #43391f, transparent 55%), linear-gradient(160deg, #1f2d22, #2a2a1d); }
.ph-map svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.ph-map .count { position: absolute; left: 8px; top: 8px; background: var(--open); color: var(--night); font-weight: 700; font-size: 11px; padding: 3px 9px; border-radius: 99px; }
.ph-sheet { padding: 12px; background: var(--surface); border-top: 1px solid var(--line); display: grid; gap: 8px; }
.ph-sheet .grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.ph-btn { min-height: 40px; border-radius: 8px; border: 1.5px solid #4a4b50; background: var(--raised); font-weight: 700; display: flex; align-items: center; justify-content: center; gap: 6px; }
.ph-btn.sel { border-color: var(--fg); background: var(--line); }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; flex: none; }

/* sections */
section { padding: 88px 0; scroll-margin-top: 68px; }
section + section { border-top: 1px solid var(--line); }
.head { max-width: 760px; display: grid; gap: 14px; margin-bottom: 40px; }
.head h2 { font-size: clamp(32px, 4.4vw, 50px); }
.head p { color: var(--fg2); font-size: 19px; }
.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); }
.g3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
.g4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 24px; min-width: 0; }
.card h3 { font-size: 20px; margin-bottom: 8px; }
.card p { color: var(--fg2); font-size: 16px; }
.card .ic { width: 40px; height: 40px; margin-bottom: 14px; stroke: var(--fg); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* field-test numbers */
.stats { padding: 40px 0; background: var(--surface); }
.stats .wrap { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); gap: 24px; }
.stat b { display: block; font: 500 44px/1 var(--mono); }
.stat span { color: var(--fg2); font-size: 15px; }
.stats .note { grid-column: 1 / -1; color: var(--fg3); font-size: 14px; }

/* pillars */
.pillar { border-top: 3px solid var(--fg); padding-top: 18px; }
.pillar h3 { font-size: 24px; margin-bottom: 8px; }
.pillar p { color: var(--fg2); }

/* how it works */
.flow { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 24px; overflow-x: auto; }
.flow svg { display: block; min-width: 640px; width: 100%; height: auto; }
.steps { counter-reset: s; list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); }
.steps li { counter-increment: s; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 18px; }
.steps li::before { content: counter(s); display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--fg); color: var(--night); font-weight: 800; margin-bottom: 10px; }
.steps b { display: block; margin-bottom: 4px; }
.steps span { color: var(--fg2); font-size: 15px; }

/* map language */
.legend { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.marker { display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 4px 16px; align-items: center; }
.marker svg { grid-row: span 2; width: 56px; height: 56px; }
.marker b { font-size: 17px; } .marker span { color: var(--fg2); font-size: 15px; }

/* use cases */
.case { display: grid; gap: 12px; }
.case .tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag { font-size: 13px; font-weight: 700; padding: 3px 10px; border-radius: 99px; border: 1.5px solid var(--line); color: var(--fg2); }
.timeline { margin-top: 18px; border-left: 2px solid var(--line); padding-left: 18px; display: grid; gap: 12px; }
.timeline div { color: var(--fg2); font-size: 15px; }
.timeline .mono { color: var(--fg); margin-right: 8px; }

/* lists and FAQ */
.ticks { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.ticks li { display: grid; grid-template-columns: 22px 1fr; gap: 10px; color: var(--fg2); }
.ticks li::before { content: ""; width: 14px; height: 8px; border-left: 2.5px solid var(--fg); border-bottom: 2.5px solid var(--fg); transform: rotate(-45deg); margin-top: 7px; }
.ticks b { color: var(--fg); }
details { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 0 22px; }
details + details { margin-top: 10px; }
summary { cursor: pointer; font-weight: 700; font-size: 18px; min-height: 60px; display: flex; align-items: center; }
details p { color: var(--fg2); padding-bottom: 20px; }

/* contact */
.contact .wrap { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 48px; align-items: start; }
@media (max-width: 900px) { .contact .wrap { grid-template-columns: 1fr; } }
form { display: grid; gap: 16px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .row2 { grid-template-columns: 1fr; } }
label { display: grid; gap: 6px; font-weight: 600; font-size: 15px; }
label .opt { color: var(--fg3); font-weight: 400; }
input, select, textarea { font: inherit; color: var(--fg); background: var(--raised); border: 1px solid var(--line); border-radius: 8px; min-height: 48px; padding: 10px 12px; width: 100%; }
textarea { min-height: 140px; resize: vertical; }
.check { display: grid; grid-template-columns: 22px 1fr; gap: 10px; align-items: start; font-weight: 400; color: var(--fg2); }
.check input { width: 20px; height: 20px; min-height: 0; margin: 2px 0 0; accent-color: #fff; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.msg { padding: 14px 16px; border-radius: 8px; border: 1.5px solid var(--line); }
.msg.ok { border-color: var(--blue); }
.msg.err { border-color: var(--open); }

/* footer */
footer { border-top: 1px solid var(--line); padding: 40px 0 56px; color: var(--fg3); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 16px 32px; align-items: center; justify-content: space-between; }
footer a { color: var(--fg2); }

/* plain pages (privacy) */
.doc { max-width: 760px; padding: 64px 0 88px; }
.doc h1 { font-size: 44px; margin-bottom: 16px; }
.doc h2 { font-size: 24px; margin: 36px 0 10px; }
.doc p, .doc li { color: var(--fg2); }
.doc p + p { margin-top: 12px; }