/* ==========================================================================
   Velocity Tech Inc
   Built to DESIGN.md — "mission control behind frosted glass".
   Dark is the default. Light is a faithful inversion of the same system:
   same hairlines, same density, same weight-400 display type.
   Accent substitution: the Signal Blue role is filled by the brand crimson.
   ========================================================================== */

/* ------------------------------------------------------- theme: dark (default) */
:root,
:root[data-theme="dark"] {
  --void:      #0b0c0e;
  --graphite:  #131416;
  --charcoal:  #1f1f21;
  --smoke:     #3c3d3e;
  --soft-fill: rgba(255, 255, 255, 0.05);

  --steel:  #71717a;
  --fog:    #858687;
  --ash:    #9d9e9f;
  --chalk:  #cececf;
  --snow:   #ffffff;

  /* primary action: bone pill, dark text */
  --act-bg:   #f2f2f2;
  --act-fg:   #333333;
  --act-bg-h: #ffffff;

  --signal: #e23c55;
  --arc:    #f06a7e;
  --ring:   #f49aa8;
  --deep:   #ba223b;
  --ember:  #f9a542;
  --mint:   #4ade80;

  --hair:      rgba(255, 255, 255, 0.07);
  --hair-soft: rgba(255, 255, 255, 0.05);
  --lift:      rgba(255, 255, 255, 0.08);

  --bloom: rgba(226, 60, 85, 0.13);
  --hdr-bg: rgba(11, 12, 14, 0.72);
  --hdr-bg-solid: rgba(11, 12, 14, 0.92);
  --ftr-bg: #171717;

  --shadow-card: 0 20px 44px rgba(0,0,0,.14), 0 4px 10px rgba(0,0,0,.08);
  --shadow-mock: 0 100px 106px rgba(0,0,0,.05), 0 42px 44px rgba(0,0,0,.04),
                 0 22px 24px rgba(0,0,0,.03), 0 12px 12px rgba(0,0,0,.03);
  --mock-bg: rgba(21,22,24,.8);

  color-scheme: dark;
}

/* ------------------------------------------------------- theme: light */
:root[data-theme="light"] {
  --void:      #fbfbfa;
  --graphite:  #ffffff;
  --charcoal:  #f4f3f2;
  --smoke:     #c9cacd;
  --soft-fill: rgba(16, 17, 20, 0.05);

  --steel:  #85878e;
  --fog:    #5e6066;
  --ash:    #74767c;
  --chalk:  #33353a;
  --snow:   #16171a;

  /* primary action inverts: ink pill, light text */
  --act-bg:   #16171a;
  --act-fg:   #f7f7f6;
  --act-bg-h: #000000;

  --signal: #ba223b;
  --arc:    #9c1b31;
  --ring:   #e23c55;
  --deep:   #ba223b;
  --ember:  #b56a05;
  --mint:   #1f8a5a;

  --hair:      rgba(16, 17, 20, 0.11);
  --hair-soft: rgba(16, 17, 20, 0.07);
  --lift:      rgba(16, 17, 20, 0.05);

  --bloom: rgba(186, 34, 59, 0.09);
  --hdr-bg: rgba(251, 251, 250, 0.78);
  --hdr-bg-solid: rgba(251, 251, 250, 0.94);
  --ftr-bg: #f4f3f2;

  --shadow-card: 0 12px 30px rgba(16,17,20,.06), 0 2px 6px rgba(16,17,20,.04);
  --shadow-mock: 0 60px 80px rgba(16,17,20,.05), 0 24px 30px rgba(16,17,20,.04),
                 0 8px 12px rgba(16,17,20,.03);
  --mock-bg: #ffffff;

  color-scheme: light;
}

/* ------------------------------------------------------- shared tokens */
:root {
  --font: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
          "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --page: 1080px;
  --gut: clamp(20px, 5vw, 32px);
  --gap: clamp(64px, 9vw, 96px);
  --pad-card: 28px;

  --r-xs: 5.26px;
  --r-sm: 8.77px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-pill: 10px;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* --------------------------------------------------------------- reset */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  background: var(--void);
  color: var(--snow);
  font-family: var(--font);
  font-feature-settings: "ss01" on, "ss03" on;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background .3s var(--ease), color .3s var(--ease);
}

img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; }

h1, h2, h3, h4 { margin: 0; font-weight: 400; }
p { margin: 0; }
ul { list-style: none; margin: 0; padding: 0; }

::selection { background: var(--deep); color: #fff; }
:focus-visible { outline: 1.5px solid var(--ring); outline-offset: 3px; border-radius: 4px; }

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--act-bg); color: var(--act-fg);
  padding: 10px 20px; z-index: 300; border-radius: 0 0 var(--r-pill) 0; font-size: 14px;
}
.skip:focus { left: 0; }

/* --------------------------------------------------------------- layout */
.wrap { width: 100%; max-width: var(--page); margin-inline: auto; padding-inline: var(--gut); }
section { position: relative; }
.section { padding-block: var(--gap); }
.hair-top { border-top: .5px solid var(--hair-soft); }

/* --------------------------------------------------------------- type */
.display-lg { font-size: clamp(38px, 6.2vw, 64px); line-height: .94; letter-spacing: -0.02em; }
.display    { font-size: clamp(32px, 5vw, 52px);   line-height: 1;    letter-spacing: -0.025em; }
.heading-lg { font-size: clamp(28px, 4vw, 42px);   line-height: 1.2;  letter-spacing: -0.021em; }
.heading    { font-size: clamp(24px, 3vw, 32px);   line-height: 1.25; letter-spacing: -0.02em; }

.lede { font-size: 17px; line-height: 1.6; letter-spacing: -0.02em; color: var(--fog); font-weight: 440; max-width: 46ch; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase;
  color: var(--fog); margin-bottom: 20px;
}
.eyebrow::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--signal); }

.accent { color: var(--signal); }
.dim { color: var(--fog); }

.section-head { max-width: 58ch; margin-bottom: 48px; }
.section-head .lede { margin-top: 16px; }

/* --------------------------------------------------------------- buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  border-radius: var(--r-pill); font-size: 14px; font-weight: 450;
  letter-spacing: -0.023em; cursor: pointer; white-space: nowrap;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.btn svg { flex: none; transition: transform .2s var(--ease); }
.btn:hover svg { transform: translateX(2px); }

.btn--primary {
  background: var(--act-bg); color: var(--act-fg);
  padding: 9px 20px; box-shadow: 0 1px 4px rgba(0,0,0,.1), 0 0 1px rgba(0,0,0,.1);
}
.btn--primary:hover { background: var(--act-bg-h); }

.btn--ghost { background: var(--soft-fill); color: var(--snow); padding: 9px 16px; }
.btn--ghost:hover { background: var(--lift); }

.btn--link { padding: 0; color: var(--snow); opacity: .92; }
.btn--link:hover { color: var(--signal); opacity: 1; }

/* --------------------------------------------------------------- theme toggle */
.theme {
  width: 30px; height: 30px; display: grid; place-items: center;
  border-radius: var(--r-sm); cursor: pointer; color: var(--fog);
  box-shadow: 0 0 0 .5px var(--hair);
  transition: color .2s var(--ease), background .2s var(--ease);
}
.theme:hover { color: var(--snow); background: var(--soft-fill); }
.theme svg { width: 15px; height: 15px; }
.theme .moon { display: none; }
:root[data-theme="light"] .theme .moon { display: block; }
:root[data-theme="light"] .theme .sun  { display: none; }

/* --------------------------------------------------------------- announcement */
.announce {
  position: relative; z-index: 120; background: var(--void);
  border-bottom: .5px solid var(--hair-soft);
  font-size: 13px; letter-spacing: -0.026em; color: var(--chalk);
}
.announce__in { display: flex; align-items: center; justify-content: center; gap: 10px; min-height: 40px; padding-inline: var(--gut); }
.announce .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 4px currentColor; flex: none; }
.announce a { color: var(--snow); text-decoration: underline; text-underline-offset: 2px; }
.announce__x { position: absolute; right: var(--gut); opacity: .55; cursor: pointer; padding: 4px; line-height: 0; }
.announce__x:hover { opacity: 1; }

/* --------------------------------------------------------------- nav */
.hdr {
  position: sticky; top: 0; z-index: 100; height: 72px; display: flex; align-items: center;
  background: var(--hdr-bg);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: .5px solid transparent;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
.hdr.is-stuck { border-bottom-color: var(--hair); background: var(--hdr-bg-solid); }
.hdr__in { display: flex; align-items: center; width: 100%; }

.brand { flex: none; }
.brand img { height: 26px; width: auto; }

.nav { display: flex; align-items: center; gap: 26px; margin: 0 auto; }
.nav a { font-size: 14px; letter-spacing: -0.023em; color: var(--snow); opacity: .92; transition: color .18s var(--ease); }
.nav a:hover { color: var(--signal); opacity: 1; }

.hdr__end { display: flex; align-items: center; gap: 14px; flex: none; }

.burger { display: none; padding: 8px; cursor: pointer; }
.burger span { display: block; width: 18px; height: 1px; background: var(--snow); transition: transform .25s var(--ease), opacity .2s var(--ease); }
.burger span + span { margin-top: 5px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* --------------------------------------------------------------- hero */
.hero { padding-block: clamp(56px, 9vw, 96px) 0; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; top: -320px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 620px; pointer-events: none;
  background: radial-gradient(ellipse at 50% 50%, var(--bloom) 0%, transparent 66%);
}
.hero__split { position: relative; display: grid; grid-template-columns: 1.35fr 1fr; gap: clamp(32px, 6vw, 72px); align-items: end; margin-bottom: 56px; }
.hero__aside { padding-bottom: 4px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.hero__meta {
  display: flex; gap: 20px; flex-wrap: wrap; margin-top: 28px; padding-top: 20px;
  border-top: .5px solid var(--hair-soft); font-size: 12px; letter-spacing: -0.015em; color: var(--steel);
}
.hero__meta i { width: 4px; height: 4px; border-radius: 50%; background: var(--smoke); font-style: normal; align-self: center; }

/* --------------------------------------------------------------- mockups */
.mock {
  border-radius: 7px; background: var(--mock-bg); overflow: hidden;
  box-shadow: var(--shadow-mock), 0 0 0 .5px var(--hair), inset 0 1px 0 var(--lift);
}
.mock__bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; border-bottom: .5px solid var(--hair-soft); background: var(--soft-fill); }
.mock__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--smoke); opacity: .6; }
.mock__tabs { display: flex; gap: 2px; margin-left: 14px; }
.mock__tab {
  font-size: 11px; letter-spacing: -0.015em; color: var(--fog);
  padding: 4px 10px; border-radius: var(--r-xs); cursor: pointer;
  transition: color .18s var(--ease), background .18s var(--ease);
}
.mock__tab:hover { color: var(--chalk); background: var(--soft-fill); }
.mock__tab[aria-selected="true"] { color: var(--snow); background: var(--soft-fill); }

/* hero workspace panels */
.hpanel { display: none; }
.hpanel.is-on { display: block; animation: fade .25s var(--ease); }
.hpanel__in { padding: 20px; min-height: 340px; }

/* source list with relevance weighting */
.srcs { display: grid; gap: 0; }
.src { display: grid; grid-template-columns: 1fr auto; gap: 16px; align-items: center; padding: 11px 0; }
.src + .src { border-top: .5px solid var(--hair-soft); }
.src__n { font-size: 12px; letter-spacing: -0.02em; color: var(--snow); }
.src__m { font-size: 10px; color: var(--steel); margin-top: 2px; }
.src__r { display: flex; align-items: center; gap: 9px; }

/* eval metric grid */
.metrics { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--hair-soft); }
.metric { background: var(--mock-bg); padding: 14px 16px; }
.metric__l { font-size: 9px; font-weight: 500; letter-spacing: .07em; text-transform: uppercase; color: var(--steel); margin-bottom: 7px; }
.metric__k { font-size: 21px; letter-spacing: -0.03em; color: var(--snow); font-variant-numeric: tabular-nums; }
.metric__d { font-size: 10px; color: var(--steel); margin-top: 3px; font-variant-numeric: tabular-nums; }
.metric__d b { font-weight: 500; color: var(--mint); }
.mock__meta { margin-left: auto; font-family: var(--mono); font-size: 10px; color: var(--steel); }

.mock__body { display: grid; grid-template-columns: 1.25fr 1fr; min-height: 340px; }
.mock__left { padding: 20px; border-right: .5px solid var(--hair-soft); }
.mock__right { padding: 20px; background: var(--soft-fill); }
.mock__label { font-size: 9px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--steel); margin-bottom: 12px; }

.msg { margin-bottom: 14px; }
.msg__who { font-size: 10px; color: var(--steel); margin-bottom: 5px; }
.msg__txt {
  font-size: 12px; line-height: 1.55; letter-spacing: -0.015em; color: var(--chalk);
  background: var(--charcoal); border: .5px solid var(--hair-soft);
  border-radius: var(--r-sm); padding: 10px 12px;
}
.msg--user .msg__txt { background: var(--soft-fill); color: var(--snow); }
.cite {
  display: inline-flex; align-items: center; gap: 4px; font-family: var(--mono); font-size: 9px;
  color: var(--signal); border: .5px solid var(--signal); border-radius: var(--r-xs);
  padding: 1px 5px; margin: 8px 4px 0 0;
}

.node { position: relative; background: var(--charcoal); border: .5px solid var(--hair); border-radius: var(--r-sm); padding: 10px 12px; margin-bottom: 22px; }
.node:last-child { margin-bottom: 0; }
.node:not(:last-child)::after { content: ""; position: absolute; left: 50%; bottom: -22px; width: .5px; height: 22px; background: var(--smoke); }
.node__hd { display: flex; align-items: center; gap: 7px; margin-bottom: 3px; }
.node__hd svg { width: 13px; height: 13px; flex: none; }
.node__t { font-size: 11px; font-weight: 500; color: var(--snow); letter-spacing: -0.015em; }
.node__d { font-size: 10px; color: var(--fog); }
.node__v { margin-left: auto; font-family: var(--mono); font-size: 9px; color: var(--steel); }

.badge {
  display: inline-flex; align-items: center; gap: 4px; font-size: 9px; font-weight: 500;
  border-radius: var(--r-xs); padding: 2px 6px;
  border: .5px solid var(--mint); color: var(--mint); background: color-mix(in srgb, var(--mint) 10%, transparent);
}
.badge i { width: 4px; height: 4px; border-radius: 50%; background: currentColor; font-style: normal; }
.badge--wait { border-color: var(--ember); color: var(--ember); background: color-mix(in srgb, var(--ember) 10%, transparent); }

/* --------------------------------------------------------------- interior page head */
.phead { position: relative; overflow: hidden; padding-block: clamp(48px, 7vw, 88px) clamp(28px, 4vw, 44px); }
.phead::before {
  content: ""; position: absolute; top: -300px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 560px; pointer-events: none;
  background: radial-gradient(ellipse at 50% 50%, var(--bloom) 0%, transparent 66%);
}
.phead > * { position: relative; }
.phead .lede { margin-top: 20px; max-width: 54ch; }

.crumb { display: flex; align-items: center; gap: 8px; font-size: 11px; letter-spacing: -0.01em; color: var(--steel); margin-bottom: 24px; }
.crumb a:hover { color: var(--signal); }
.crumb svg { width: 11px; height: 11px; }

/* --------------------------------------------------------------- arms (about) */
.arms { display: grid; grid-template-columns: repeat(3, 1fr); }
.arm { padding: 26px 24px 0 0; border-top: .5px solid var(--hair); }
.arm__l { display: block; font-family: var(--mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; color: var(--signal); margin-bottom: 12px; }
.arm h3 { font-size: 17px; letter-spacing: -0.03em; color: var(--snow); margin-bottom: 7px; }
.arm p { font-size: 13.5px; line-height: 1.5; letter-spacing: -0.023em; color: var(--fog); }

/* the three arms as a connected system, not a list */
.loop { padding: 22px 20px; display: grid; gap: 0; }
.loop__n {
  position: relative; background: var(--charcoal); border: .5px solid var(--hair);
  border-radius: var(--r-sm); padding: 13px 15px; margin-bottom: 26px;
}
.loop__n:last-child { margin-bottom: 0; }
.loop__n:not(:last-child)::after {
  content: ""; position: absolute; left: 26px; bottom: -26px;
  width: .5px; height: 26px; background: var(--smoke);
}
.loop__hd { display: flex; align-items: center; gap: 9px; margin-bottom: 4px; }
.loop__hd svg { width: 14px; height: 14px; color: var(--signal); flex: none; }
.loop__t { font-size: 13px; font-weight: 500; letter-spacing: -0.02em; color: var(--snow); }
.loop__d { font-size: 11px; line-height: 1.45; color: var(--fog); padding-left: 23px; }
.loop__feed {
  font-family: var(--mono); font-size: 9px; letter-spacing: .06em; text-transform: uppercase;
  color: var(--signal); padding-left: 23px; margin-top: 7px;
}

/* what we won't do — the page's one editorial moment */
.wont { display: grid; }
.wont__i { display: grid; grid-template-columns: 22px 1fr; gap: 16px; align-items: start; padding-block: 22px; border-top: .5px solid var(--hair); }
.wont__i:last-child { border-bottom: .5px solid var(--hair); }
.wont__x { width: 20px; height: 20px; display: grid; place-items: center; border-radius: 50%; border: .5px solid var(--signal); color: var(--signal); margin-top: 2px; }
.wont__x svg { width: 10px; height: 10px; }
.wont__t { font-size: clamp(17px, 2vw, 21px); letter-spacing: -0.028em; color: var(--snow); margin-bottom: 6px; }
.wont__d { font-size: 13.5px; line-height: 1.5; letter-spacing: -0.023em; color: var(--fog); max-width: 62ch; }

/* pull-quote — used for the mission */
.quote { border-left: 1.5px solid var(--signal); padding-left: clamp(20px, 3vw, 32px); max-width: 60ch; }
.quote p { font-size: clamp(17px, 2.2vw, 22px); line-height: 1.5; letter-spacing: -0.028em; color: var(--chalk); }
.quote p + p { margin-top: 16px; }

@media (max-width: 940px) {
  .arms { grid-template-columns: 1fr; }
  .arm { padding-right: 0; }
}

/* --------------------------------------------------------------- capability strip */
.strip { border-top: .5px solid var(--hair-soft); border-bottom: .5px solid var(--hair-soft); }

.spec { display: grid; grid-template-columns: 148px 1fr; gap: 28px; padding-block: 26px; align-items: start; }
.spec + .spec { border-top: .5px solid var(--hair-soft); }
.spec__l {
  font-family: var(--mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--steel); padding-top: 6px;
}
.spec__v { display: flex; flex-wrap: wrap; gap: 7px; }

.chip {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 12.5px; letter-spacing: -0.02em; color: var(--chalk);
  padding: 5px 13px; border-radius: 999px;
  border: .5px solid var(--hair); background: var(--graphite);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
.chip:hover { border-color: var(--signal); color: var(--snow); }

/* roles carry a marker — they're people we place, not technology */
.chip--role::before {
  content: ""; width: 4px; height: 4px; border-radius: 50%;
  background: var(--signal); flex: none;
}

@media (max-width: 720px) {
  .spec { grid-template-columns: 1fr; gap: 12px; }
  .spec__l { padding-top: 0; }
}

/* --------------------------------------------------------------- cards */
.grid { display: grid; gap: 12px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--graphite); border-radius: var(--r-md); padding: var(--pad-card);
  box-shadow: inset 0 1px 0 var(--lift), 0 0 0 .5px var(--hair);
  transition: box-shadow .28s var(--ease), background .28s var(--ease);
}
.card:hover { box-shadow: inset 0 1px 0 var(--lift), 0 0 0 .5px var(--signal), var(--shadow-card); }
.card__ico { color: var(--signal); margin-bottom: 18px; }
.card__ico svg { width: 16px; height: 16px; }
.card h3 { font-size: 18px; letter-spacing: -0.034em; color: var(--snow); margin-bottom: 8px; }
.card p { font-size: 14px; line-height: 1.43; letter-spacing: -0.023em; color: var(--fog); }

.tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 18px; }
.tag { font-family: var(--mono); font-size: 9px; color: var(--steel); border: .5px solid var(--hair); border-radius: var(--r-xs); padding: 2px 6px; }

/* --------------------------------------------------------------- products */
/* Horizontal tab bar — deliberately not the vertical rail used in #platform,
   so the two tabbed sections don't read as the same component twice. */
.ptabs {
  display: flex; gap: 0; overflow-x: auto; scrollbar-width: none;
  border-bottom: .5px solid var(--hair);
}
.ptabs::-webkit-scrollbar { display: none; }

.ptab {
  flex: none; text-align: left; cursor: pointer;
  padding: 16px 26px 15px; margin-bottom: -.5px;
  border-bottom: 1.5px solid transparent;
  transition: background .2s var(--ease), border-color .2s var(--ease);
}
.ptab:first-child { padding-left: 0; }
.ptab:hover { background: var(--soft-fill); }
.ptab__d {
  display: block; font-family: var(--mono); font-size: 9px; letter-spacing: .1em;
  text-transform: uppercase; color: var(--steel); margin-bottom: 5px;
}
.ptab__n { display: block; font-size: 17px; letter-spacing: -0.03em; color: var(--fog); transition: color .2s var(--ease); }
.ptab[aria-selected="true"] { border-bottom-color: var(--signal); }
.ptab[aria-selected="true"] .ptab__n { color: var(--snow); }
.ptab[aria-selected="true"] .ptab__d { color: var(--signal); }

.ppanel { display: none; padding-top: clamp(32px, 4.5vw, 52px); }
.ppanel.is-on { display: block; animation: fade .3s var(--ease); }

.prod {
  display: grid; grid-template-columns: 1.05fr .95fr;
  gap: clamp(28px, 5vw, 60px);
  align-items: center;
}

.prod__domain {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--mono); font-size: 10px; letter-spacing: .1em;
  text-transform: uppercase; color: var(--steel); margin-bottom: 14px;
}
.prod__domain::before { content: ""; width: 14px; height: .5px; background: var(--signal); }

.prod h3 { font-size: clamp(24px, 3vw, 30px); letter-spacing: -0.03em; color: var(--snow); margin-bottom: 6px; }
.prod__is { font-size: 13px; letter-spacing: -0.02em; color: var(--steel); margin-bottom: 26px; }

/* the challenge — the loudest text in the row, deliberately */
.challenge { border-left: 1.5px solid var(--signal); padding-left: 20px; margin-bottom: 22px; }
.challenge__l { display: block; font-size: 9px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; color: var(--signal); margin-bottom: 9px; }
.challenge p { font-size: clamp(15px, 1.6vw, 17px); line-height: 1.55; letter-spacing: -0.024em; color: var(--chalk); }

.answer { display: grid; gap: 9px; }
.answer__l { display: block; font-size: 9px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; color: var(--steel); margin-bottom: 11px; }
.answer li { display: grid; grid-template-columns: 13px 1fr; gap: 10px; align-items: start; font-size: 13.5px; line-height: 1.5; letter-spacing: -0.023em; color: var(--fog); }
.answer svg { width: 12px; height: 12px; color: var(--signal); margin-top: 4px; }

/* mini UI panels — one per product, each showing its own kind of work */
.pm { padding: 16px 18px; display: grid; gap: 9px; }
.pm__row { display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: center; }
.pm__n { font-size: 12px; letter-spacing: -0.02em; color: var(--snow); }
.pm__s { font-size: 10px; color: var(--steel); }
.pm__score { display: flex; align-items: center; gap: 9px; }
.bar { width: 58px; height: 3px; border-radius: 2px; background: var(--soft-fill); overflow: hidden; }
.bar span { display: block; height: 100%; background: var(--signal); border-radius: 2px; }
.bar--dim span { background: var(--smoke); }
.pm__pct { font-family: var(--mono); font-size: 10px; color: var(--fog); min-width: 26px; text-align: right; }
.pm__sep { height: .5px; background: var(--hair-soft); }
.pm__foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-top: 4px; font-size: 10px; color: var(--steel); }

/* pipeline stage strip — jobs and candidates moving through the funnel */
.stages { display: grid; grid-template-columns: repeat(4, 1fr); border-bottom: .5px solid var(--hair-soft); }
.stage { padding: 14px 14px; border-right: .5px solid var(--hair-soft); }
.stage:last-child { border-right: 0; }
.stage__n { font-size: 19px; letter-spacing: -0.03em; color: var(--snow); font-variant-numeric: tabular-nums; }
.stage__l { font-size: 9px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--steel); margin-top: 4px; }
.stage--now .stage__n { color: var(--signal); }

/* the scheduled interview, with its prep sheet */
.slot { padding: 14px 16px; display: grid; gap: 5px; }
.slot__hd { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.slot__when { font-family: var(--mono); font-size: 10px; letter-spacing: .04em; color: var(--signal); }
.slot__who { font-size: 12.5px; letter-spacing: -0.02em; color: var(--snow); }
.slot__panel { font-size: 10px; color: var(--steel); }
.slot__prep { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 7px; padding-top: 9px; border-top: .5px solid var(--hair-soft); font-size: 10px; color: var(--steel); }

@media (max-width: 940px) {
  .prod { grid-template-columns: 1fr; gap: 26px; }
}

/* --------------------------------------------------------------- tabs */
.tabs { display: grid; grid-template-columns: 32% 1fr; gap: 32px; align-items: start; }
.tabs__list { display: grid; gap: 2px; }
.tabs__btn {
  display: grid; grid-template-columns: 16px 1fr; gap: 10px; align-items: start;
  text-align: left; padding: 14px 16px; border-radius: var(--r-sm); cursor: pointer;
  border-left: 1.5px solid transparent; transition: background .2s var(--ease);
}
.tabs__btn:hover { background: var(--soft-fill); }
.tabs__btn[aria-selected="true"] { background: var(--soft-fill); border-left-color: var(--signal); }
.tabs__btn svg { width: 15px; height: 15px; margin-top: 2px; color: var(--steel); transition: color .2s var(--ease); }
.tabs__btn[aria-selected="true"] svg { color: var(--signal); }
.tabs__btn b { display: block; font-size: 14px; font-weight: 450; letter-spacing: -0.023em; color: var(--fog); margin-bottom: 2px; }
.tabs__btn[aria-selected="true"] b { color: var(--snow); }
.tabs__btn small { font-size: 12px; letter-spacing: -0.015em; color: var(--steel); line-height: 1.4; }

.tabs__panel { display: none; }
.tabs__panel.is-on { display: block; animation: fade .3s var(--ease); }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.tbl { width: 100%; border-collapse: collapse; font-size: 11px; }
.tbl th { text-align: left; font-size: 9px; font-weight: 500; letter-spacing: .05em; text-transform: uppercase; color: var(--steel); padding: 8px 12px; border-bottom: .5px solid var(--hair-soft); }
.tbl td { padding: 8px 12px; border-bottom: .5px solid var(--hair-soft); color: var(--chalk); letter-spacing: -0.015em; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl .num { text-align: right; font-family: var(--mono); font-size: 10px; color: var(--fog); }
.tbl .name { color: var(--snow); }
.up { color: var(--mint); }

/* --------------------------------------------------------------- story */
.story { position: relative; }
.act {
  display: grid; grid-template-columns: 132px 1fr 1fr; gap: clamp(20px, 4vw, 44px);
  padding-block: 40px; border-top: .5px solid var(--hair); align-items: start;
}
.act:last-child { border-bottom: .5px solid var(--hair); }
.act__when { position: sticky; top: 104px; }
.act__wk { font-family: var(--mono); font-size: 10px; letter-spacing: .06em; color: var(--signal); display: block; margin-bottom: 6px; }
.act__ph { font-size: 12px; letter-spacing: -0.015em; color: var(--steel); }
.act h3 { font-size: 22px; letter-spacing: -0.03em; color: var(--snow); margin-bottom: 12px; }
.act p { font-size: 14px; line-height: 1.55; letter-spacing: -0.023em; color: var(--fog); }
.act p + p { margin-top: 12px; }

.deliv {
  border-radius: var(--r-md); background: var(--graphite);
  box-shadow: inset 0 1px 0 var(--lift), 0 0 0 .5px var(--hair); padding: 18px 20px;
}
.deliv h4 { font-size: 9px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--steel); margin-bottom: 12px; }
.deliv li { display: grid; grid-template-columns: 13px 1fr; gap: 9px; align-items: start; font-size: 13px; line-height: 1.45; letter-spacing: -0.023em; color: var(--chalk); }
.deliv li + li { margin-top: 9px; }
.deliv svg { width: 12px; height: 12px; color: var(--signal); margin-top: 4px; }

.exit {
  margin-top: 14px; padding-top: 12px; border-top: .5px solid var(--hair-soft);
  font-size: 12px; line-height: 1.5; letter-spacing: -0.015em; color: var(--steel);
}
.exit b { color: var(--fog); font-weight: 500; }

/* --------------------------------------------------------------- split */
.split { display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(32px, 6vw, 64px); align-items: center; }
.checks { display: grid; gap: 14px; margin-top: 28px; }
.checks li { display: grid; grid-template-columns: 15px 1fr; gap: 10px; align-items: start; font-size: 14px; line-height: 1.43; letter-spacing: -0.023em; color: var(--fog); }
.checks svg { width: 14px; height: 14px; color: var(--signal); margin-top: 3px; }
.checks strong { color: var(--snow); font-weight: 450; }

/* --------------------------------------------------------------- CTA */
.cta {
  border-radius: var(--r-lg); background: var(--graphite); padding: clamp(40px, 6vw, 64px) clamp(24px, 5vw, 56px);
  text-align: center; position: relative; overflow: hidden;
  box-shadow: inset 0 1px 0 var(--lift), 0 0 0 .5px var(--hair), var(--shadow-card);
}
.cta::before {
  content: ""; position: absolute; top: -180px; left: 50%; transform: translateX(-50%);
  width: 620px; height: 420px; pointer-events: none;
  background: radial-gradient(ellipse at 50% 50%, var(--bloom) 0%, transparent 66%);
}
.cta > * { position: relative; }
.cta .lede { margin: 16px auto 0; }
.cta__row { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-top: 28px; }

/* --------------------------------------------------------------- contact */
.contact { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(32px, 6vw, 64px); }
.info { display: grid; gap: 20px; margin-top: 32px; }
.info li { display: grid; grid-template-columns: 32px 1fr; gap: 12px; align-items: start; }
.info .ic { width: 32px; height: 32px; display: grid; place-items: center; border-radius: var(--r-sm); background: var(--charcoal); box-shadow: 0 0 0 .5px var(--hair); color: var(--signal); }
.info .ic svg { width: 14px; height: 14px; }
.info dt { font-size: 9px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--steel); margin-bottom: 3px; }
.info dd { margin: 0; font-size: 14px; letter-spacing: -0.023em; color: var(--chalk); }
.info a:hover { color: var(--signal); }

.form { background: var(--graphite); border-radius: var(--r-md); padding: var(--pad-card); box-shadow: inset 0 1px 0 var(--lift), 0 0 0 .5px var(--hair), var(--shadow-card); }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 11px; font-weight: 450; color: var(--fog); margin-bottom: 6px; }
.field .req { color: var(--signal); }
.field input, .field select, .field textarea {
  width: 100%; padding: 9px 12px; border-radius: var(--r-sm);
  background: var(--charcoal); border: .5px solid var(--hair); color: var(--snow);
  font: inherit; font-size: 13px; letter-spacing: -0.023em;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field textarea { resize: vertical; min-height: 96px; line-height: 1.5; }
.field ::placeholder { color: var(--steel); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--signal);
  box-shadow: 0 0 0 1.5px color-mix(in srgb, var(--signal) 30%, transparent);
}
.field select { appearance: none; cursor: pointer; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form .btn { width: 100%; margin-top: 4px; }

.status { margin-top: 12px; font-size: 12px; padding: 9px 12px; border-radius: var(--r-sm); display: none; }
.status.is-ok  { display: block; color: var(--mint); border: .5px solid var(--mint); background: color-mix(in srgb, var(--mint) 8%, transparent); }
.status.is-err { display: block; color: var(--signal); border: .5px solid var(--signal); background: color-mix(in srgb, var(--signal) 8%, transparent); }

.hp { position: absolute; left: -9999px; width: 0; height: 0; opacity: 0; }

/* --------------------------------------------------------------- footer */
.ftr { background: var(--ftr-bg); border-top: .5px solid var(--hair); padding-block: 48px 32px; }
.ftr__grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 32px; margin-bottom: 40px; }
/* width:auto is required — the reset's height:auto is overridden below, so
   without it max-width:100% stretches the logo to the column width */
.ftr__brand img { height: 24px; width: auto; margin-bottom: 14px; opacity: .9; }
.ftr__brand p { font-size: 12px; line-height: 1.5; color: var(--steel); max-width: 30ch; }
.ftr h4 { font-size: 9px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; color: var(--steel); margin-bottom: 14px; }
.ftr ul { display: grid; gap: 9px; }
.ftr ul a { font-size: 12px; color: var(--fog); transition: color .18s var(--ease); }
.ftr ul a:hover { color: var(--snow); }
.ftr__base { border-top: .5px solid var(--hair-soft); padding-top: 24px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 11px; color: var(--steel); }
.ftr__base nav { display: flex; gap: 20px; flex-wrap: wrap; }
.ftr__base a:hover { color: var(--fog); }

/* --------------------------------------------------------------- reveal */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }

/* --------------------------------------------------------------- responsive */
@media (max-width: 940px) {
  .hero__split { grid-template-columns: 1fr; align-items: start; gap: 28px; }
  .tabs, .split, .contact { grid-template-columns: 1fr; }
  .grid--3 { grid-template-columns: 1fr 1fr; }
  .mock__body { grid-template-columns: 1fr; }
  .mock__left { border-right: 0; border-bottom: .5px solid var(--hair-soft); }
  .ftr__grid { grid-template-columns: 1fr 1fr; }
  .act { grid-template-columns: 110px 1fr; }
  .act .deliv { grid-column: 2; }
  .act__when { position: static; }
}

@media (max-width: 820px) {
  .nav {
    position: fixed; inset: 112px 0 auto 0; margin: 0; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--void); border-bottom: .5px solid var(--hair); padding: 4px var(--gut) 20px;
    transform: translateY(-8px); opacity: 0; visibility: hidden; transition: all .25s var(--ease);
    max-height: calc(100vh - 112px); overflow-y: auto;
  }
  .nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav a { padding: 14px 0; border-bottom: .5px solid var(--hair-soft); font-size: 15px; }
  .burger { display: block; }
  .hdr__end { margin-left: auto; }
}

@media (max-width: 620px) {
  .grid--3, .field-row, .ftr__grid { grid-template-columns: 1fr; }

  /* wrap the product tabs rather than scrolling them — with the scrollbar
     hidden, an off-screen tab has no affordance and reads as missing */
  .ptabs { overflow-x: visible; flex-wrap: wrap; }
  .ptab { padding-inline: 14px; }
  .ptab:first-child { padding-left: 0; }
  .act { grid-template-columns: 1fr; gap: 16px; }
  .act .deliv { grid-column: 1; }
  .hero__cta .btn { width: 100%; }
  .announce__x { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}