/* ==========================================================================
   Probe Request — site styles
   Static, no build step. Dark by default; light via [data-theme="light"].
   Brand colors from the logo kit README.
   ========================================================================== */

:root {
  color-scheme: dark;
  /* brand constants */
  --signal-blue: #1F5FA8;
  --deep-navy: #0E2A47;
  --beacon: #FF7A1A;
  --sky: #8DBBF0;
  --mist: #B8C6D6;
  --cloud: #F3F5F6;

  /* theme tokens (dark) */
  --bg: #06111C;
  --bg-2: #0A1B2C;
  --panel: rgba(14, 42, 71, 0.55);
  --panel-solid: #0C2135;
  --line: rgba(141, 187, 240, 0.14);
  --line-strong: rgba(141, 187, 240, 0.28);
  --ink: #EAF1F8;
  --ink-2: #C5D3E2;
  --muted: #8FA3B8;
  --accent: #8DBBF0;          /* text-safe accent */
  --accent-ink: #06111C;      /* text on accent */
  --beacon-ink: #1A0A00;      /* text on orange */
  --glow: rgba(255, 122, 26, 0.16);
  --ok: #5FD39A;
  --warn: #FFB547;
  --bad: #FF6B5E;
  --wm-probe: #8DBBF0;
  --wm-request: #FFFFFF;
  --wm-accent: #FF7A1A;
  --shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.6);

  /* type */
  --f-display: "Archivo", "Arial Black", "Helvetica Neue", Arial, sans-serif;
  --f-body: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --t-hero: clamp(2.5rem, 1.2rem + 6.4vw, 7.25rem);
  --t-h2: clamp(2rem, 1.2rem + 3.6vw, 4.25rem);
  --t-h3: clamp(1.15rem, 1rem + 0.5vw, 1.4rem);
  --t-lead: clamp(1.05rem, 0.98rem + 0.35vw, 1.25rem);
  --t-body: 1.0625rem;
  --t-small: 0.875rem;
  --t-micro: 0.75rem;

  --gutter: clamp(16px, 4vw, 48px);
  --maxw: 1320px;
  --radius: 14px;
  --header-h: 88px;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #F3F5F6;
  --bg-2: #E8EDF2;
  --panel: rgba(255, 255, 255, 0.78);
  --panel-solid: #FFFFFF;
  --line: rgba(14, 42, 71, 0.12);
  --line-strong: rgba(14, 42, 71, 0.24);
  --ink: #0E2A47;
  --ink-2: #26405C;
  --muted: #4A5A6A;
  --accent: #1F5FA8;
  --accent-ink: #FFFFFF;
  --beacon-ink: #1A0A00;
  --glow: rgba(255, 122, 26, 0.12);
  --ok: #17824F;
  --warn: #A55F00;
  --bad: #C0392B;
  --wm-probe: #1F5FA8;
  --wm-request: #0E2A47;
  --wm-accent: #FF7A1A;
  --shadow: 0 30px 70px -35px rgba(14, 42, 71, 0.35);
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--f-body);
  font-size: var(--t-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background-color .4s ease, color .4s ease;
}
img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
::selection { background: var(--beacon); color: var(--beacon-ink); }
:focus-visible { outline: 2px solid var(--beacon); outline-offset: 3px; border-radius: 4px; }
[hidden] { display: none !important; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  background: var(--beacon); color: var(--beacon-ink); padding: 10px 14px; border-radius: 8px;
  font-weight: 600; text-decoration: none;
}
.skip:focus { top: 12px; }

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }

.mono { font-family: var(--f-mono); }
.eyebrow {
  font-family: var(--f-mono); font-size: var(--t-micro); letter-spacing: .14em;
  text-transform: uppercase; color: var(--muted);
  display: inline-flex; align-items: center; gap: 10px;
}
.eyebrow .ch {
  white-space: nowrap;
  color: var(--beacon); border: 1px solid color-mix(in srgb, var(--beacon) 45%, transparent);
  padding: 3px 8px; border-radius: 999px; letter-spacing: .08em;
}

h1, h2, h3 { margin: 0; text-wrap: balance; }
.display {
  font-family: var(--f-display);
  font-stretch: 125%;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: .95;
}
h2.display { font-size: var(--t-h2); }
.lead { font-size: var(--t-lead); color: var(--ink-2); max-width: 60ch; line-height: 1.55; }
p { margin: 0; }

/* ---------- ambient cursor glow (pointer: fine only, set by JS) ---------- */
.cursor-glow {
  position: fixed; left: 0; top: 0; width: 520px; height: 520px; margin: -260px 0 0 -260px;
  border-radius: 50%; pointer-events: none; z-index: 0;
  background: radial-gradient(circle, var(--glow) 0%, transparent 62%);
  transform: translate3d(-9999px, -9999px, 0);
  will-change: transform; opacity: 0; transition: opacity .6s ease;
}
.has-pointer .cursor-glow { opacity: 1; }

/* ---------- header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  padding-top: env(safe-area-inset-top, 0px);
  transition: background-color .3s ease, border-color .3s ease, backdrop-filter .3s ease;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--line);
}
.header-row { height: var(--header-h); display: flex; align-items: center; gap: 16px; }
.brand { display: inline-flex; align-items: center; text-decoration: none; margin-right: auto; }
.brand svg.wm { flex: none; height: 34px; width: auto; aspect-ratio: 11392 / 1040; }
@media (min-width: 900px) { .brand svg.wm { height: 46px; } }

.nav { display: none; gap: 4px; align-items: center; }
.nav a {
  text-decoration: none; font-size: var(--t-small); color: var(--ink-2);
  padding: 8px 12px; border-radius: 999px; display: inline-flex; gap: 8px; align-items: baseline;
  transition: color .2s ease, background-color .2s ease;
}
.nav a .n { font-family: var(--f-mono); font-size: 10px; color: var(--muted); letter-spacing: .06em; }
.nav a:hover { color: var(--ink); background: var(--line); }
@media (min-width: 980px) { .nav { display: flex; } }

.icon-btn {
  width: 44px; height: 44px; display: inline-grid; place-items: center;
  border-radius: 999px; border: 1px solid var(--line); background: transparent; cursor: pointer;
  transition: border-color .2s ease, background-color .2s ease;
}
.icon-btn:hover { border-color: var(--line-strong); background: var(--line); }
.icon-btn svg { width: 18px; height: 18px; }
.theme-toggle .sun { display: none; }
:root[data-theme="light"] .theme-toggle .sun { display: block; }
:root[data-theme="light"] .theme-toggle .moon { display: none; }

.menu-btn { display: inline-grid; }
@media (min-width: 980px) { .menu-btn { display: none; } }
.menu-btn .bars { width: 18px; height: 12px; position: relative; }
.menu-btn .bars::before, .menu-btn .bars::after {
  content: ""; position: absolute; left: 0; right: 0; height: 2px; background: currentColor; border-radius: 2px;
  transition: transform .3s ease, top .3s ease;
}
.menu-btn .bars::before { top: 2px; }
.menu-btn .bars::after { top: 8px; }
.menu-open .menu-btn .bars::before { top: 5px; transform: rotate(45deg); }
.menu-open .menu-btn .bars::after { top: 5px; transform: rotate(-45deg); }

.header-cta { display: none; }
@media (min-width: 560px) { .header-cta { display: inline-flex; } }

/* mobile sheet */
.sheet {
  position: fixed; inset: 0; z-index: 45; background: var(--bg);
  padding: calc(var(--header-h) + env(safe-area-inset-top, 0px) + 24px) var(--gutter) calc(32px + env(safe-area-inset-bottom, 0px));
  display: flex; flex-direction: column; gap: 8px;
  transform: translateY(-100%); transition: transform .45s cubic-bezier(.7, 0, .2, 1);
  visibility: hidden;
}
.menu-open .sheet { transform: none; visibility: visible; }
.sheet a {
  text-decoration: none; display: flex; align-items: baseline; justify-content: space-between;
  padding: 14px 0; border-bottom: 1px solid var(--line);
  font-family: var(--f-display); font-stretch: 125%; font-weight: 800; font-size: clamp(1.8rem, 8vw, 2.6rem); letter-spacing: -.02em;
}
.sheet a .n { font-family: var(--f-mono); font-size: 12px; color: var(--beacon); font-weight: 400; letter-spacing: .08em; }
.sheet .fine { margin-top: auto; color: var(--muted); font-size: var(--t-small); }
@media (min-width: 980px) { .sheet { display: none; } }

/* ---------- buttons ---------- */
.btn {
  --bx: 0px; --by: 0px;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 0 22px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 600; font-size: 0.98rem; text-decoration: none; cursor: pointer; white-space: nowrap;
  transform: translate(var(--bx), var(--by));
  transition: transform .25s cubic-bezier(.2, .8, .2, 1), background-color .2s ease, border-color .2s ease, color .2s ease, box-shadow .25s ease;
}
.btn-primary { background: var(--beacon); color: var(--beacon-ink); }
.btn-primary:hover { box-shadow: 0 10px 34px -8px rgba(255, 122, 26, .6); }
.btn-ghost { border-color: var(--line-strong); color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--line); }
.btn-sm { min-height: 40px; padding: 0 16px; font-size: var(--t-small); }
.btn .arr { transition: transform .25s ease; }
.btn:hover .arr { transform: translateX(3px); }
.btn[disabled] { opacity: .6; cursor: progress; }

/* ---------- email form ---------- */
.signup { display: grid; gap: 10px; width: 100%; max-width: 520px; }
.signup-row {
  display: flex; gap: 6px; padding: 6px; border-radius: 999px;
  background: var(--panel); border: 1px solid var(--line-strong);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.signup-row:focus-within { border-color: var(--beacon); box-shadow: 0 0 0 4px var(--glow); }
.signup input[type="email"] {
  flex: 1 1 auto; min-width: 0; border: 0; background: transparent; outline: none;
  padding: 0 14px; font-size: 16px; /* 16px stops iOS zoom */
}
.signup input::placeholder { color: var(--muted); }
.signup .btn { flex: none; }
.signup-note { font-family: var(--f-mono); font-size: var(--t-micro); color: var(--muted); letter-spacing: .04em; padding-left: 18px; }
.signup-status { font-size: var(--t-small); padding-left: 18px; min-height: 1.4em; }
.signup-status.is-error { color: var(--bad); }
.signup-status.is-ok { color: var(--ok); }
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; opacity: 0; }

@media (max-width: 459px) {
  .signup-row { flex-direction: column; border-radius: 18px; padding: 6px; }
  .signup input[type="email"] { min-height: 48px; }
  .signup .btn { width: 100%; }
}

.confirm-card {
  border: 1px solid var(--line-strong); background: var(--panel); border-radius: 18px; padding: 18px 20px;
  display: grid; gap: 10px; max-width: 520px;
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
}
.confirm-card strong { font-family: var(--f-display); font-stretch: 112%; font-size: 1.15rem; }
.confirm-card p { color: var(--ink-2); font-size: var(--t-small); }
.preview-flag {
  font-family: var(--f-mono); font-size: var(--t-micro); color: var(--warn); letter-spacing: .05em;
  border-top: 1px dashed var(--line-strong); padding-top: 10px;
}

/* ==========================================================================
   HERO — RF coverage field
   ========================================================================== */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  padding-top: calc(var(--header-h) + env(safe-area-inset-top, 0px) + clamp(28px, 6vw, 72px));
  padding-bottom: clamp(32px, 5vw, 56px);
  min-height: clamp(640px, 94svh, 1000px);
  display: flex; flex-direction: column;
}
.hero canvas#field {
  position: absolute; inset: 0; width: 100%; height: 100%; z-index: -2;
}
.hero::after { /* legibility fade on the left + bottom */
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--bg) 70%, transparent) 0%, transparent 60%),
    linear-gradient(0deg, var(--bg) 0%, transparent 28%);
}
.hero-inner { flex: 1; display: flex; flex-direction: column; gap: clamp(24px, 4vw, 44px); }
.hero-top { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.hero h1 {
  font-size: var(--t-hero);
  max-width: 12ch;
}
@media (max-width: 480px) {
  .hero h1 { max-width: none; font-size: clamp(2.1rem, 1rem + 5.6vw, 7.25rem); }
}
.hero h1 .q { color: var(--beacon); }
.hero h1 .line { display: block; overflow: hidden; padding-bottom: .14em; margin-bottom: -.09em; }
.hero h1 .line > span { display: inline-block; transform: translateY(0); }
.js .hero h1 .line > span { animation: rise 1s cubic-bezier(.2, .8, .2, 1) both; }
.js .hero h1 .line:nth-child(2) > span { animation-delay: .08s; }
.js .hero h1 .line:nth-child(3) > span { animation-delay: .16s; }
@keyframes rise { from { transform: translateY(105%); } to { transform: translateY(0); } }

.hero-bottom {
  margin-top: auto;
  display: grid; gap: clamp(24px, 4vw, 48px);
  grid-template-columns: 1fr;
  align-items: end;
}
@media (min-width: 900px) { .hero-bottom { grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr); } }
.hero-copy { display: grid; gap: 22px; }
.hero-copy .lead { max-width: 46ch; }

.hint {
  font-family: var(--f-mono); font-size: var(--t-micro); color: var(--muted); letter-spacing: .06em;
  display: inline-flex; gap: 8px; align-items: center;
}
.hint .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--beacon); box-shadow: 0 0 0 0 var(--beacon); animation: ping 2s infinite; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 rgba(255, 122, 26, .6); } 100% { box-shadow: 0 0 0 12px rgba(255, 122, 26, 0); } }
.hint .t-touch { display: none; }
.is-touch .hint .t-mouse { display: none; }
.is-touch .hint .t-touch { display: inline; }

/* instrument readout */
.readout {
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  background: var(--panel); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  padding: 16px 18px 18px; display: grid; gap: 14px; font-family: var(--f-mono);
  box-shadow: var(--shadow); width: 100%; max-width: 440px; justify-self: end;
}
@media (max-width: 899px) { .readout { justify-self: stretch; max-width: none; } }
.readout-head { display: flex; justify-content: space-between; gap: 10px; font-size: 11px; letter-spacing: .1em; color: var(--muted); text-transform: uppercase; }
.readout-head .live { color: var(--ok); display: inline-flex; gap: 6px; align-items: center; }
.readout-head .live::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; animation: blink 1.4s steps(2, start) infinite; }
@keyframes blink { to { visibility: hidden; } }
.readout-main { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.rssi { font-size: clamp(2.2rem, 1.6rem + 2vw, 3rem); font-weight: 500; letter-spacing: -.03em; line-height: 1; font-variant-numeric: tabular-nums; }
.rssi small { font-size: .38em; color: var(--muted); margin-left: 4px; letter-spacing: 0; }
.verdict { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; padding: 5px 9px; border-radius: 999px; border: 1px solid currentColor; }
.verdict.pass { color: var(--ok); }
.verdict.marg { color: var(--warn); }
.verdict.fail { color: var(--bad); }
.meter { position: relative; height: 10px; border-radius: 999px; background: var(--line); overflow: visible; }
.meter .fill { position: absolute; inset: 0 auto 0 0; border-radius: 999px; background: linear-gradient(90deg, var(--signal-blue), var(--sky) 60%, var(--beacon)); width: 50%; transition: width .12s linear; }
.meter .target { position: absolute; top: -5px; bottom: -5px; width: 2px; background: var(--ink); left: 56%; }
.meter .target::after { content: "−67"; position: absolute; top: -16px; left: 50%; transform: translateX(-50%); font-size: 10px; color: var(--muted); }
.scale { display: flex; justify-content: space-between; font-size: 10px; color: var(--muted); letter-spacing: .04em; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; border-top: 1px solid var(--line); padding-top: 12px; }
.stats div { display: grid; gap: 2px; }
.stats dt { font-size: 10px; color: var(--muted); letter-spacing: .1em; text-transform: uppercase; }
.stats dd { margin: 0; font-size: 15px; font-variant-numeric: tabular-nums; }

/* ==========================================================================
   Sections
   ========================================================================== */
main { position: relative; z-index: 1; }
.section { padding-block: clamp(72px, 11vw, 160px); position: relative; }
.section + .section { border-top: 1px solid var(--line); }
.section-head { display: grid; gap: 20px; margin-bottom: clamp(36px, 6vw, 72px); }
.section-head .lead { margin-top: 4px; }
@media (min-width: 900px) {
  .section-head.split { grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); align-items: end; column-gap: 48px; }
  .section-head.split .eyebrow { grid-column: 1 / -1; }
}

/* reveal (from a visible resting state) */
.js .reveal { transition: opacity .9s ease, transform .9s cubic-bezier(.2, .8, .2, 1); transition-delay: var(--d, 0s); }
.js .reveal:not(.is-in) { opacity: .12; transform: translateY(28px); }

/* ---------- exams: feature cards ---------- */
.cards { display: grid; gap: 16px; grid-template-columns: 1fr; }
@media (min-width: 700px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1040px) { .cards { grid-template-columns: repeat(3, 1fr); } }
.card {
  --mx: 50%; --my: 50%; --rx: 0deg; --ry: 0deg;
  position: relative; overflow: hidden; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--panel-solid);
  padding: clamp(22px, 3vw, 32px); display: grid; gap: 14px; align-content: start;
  transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry));
  transition: transform .5s cubic-bezier(.2, .8, .2, 1), border-color .3s ease;
  min-height: 250px;
}
.card::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .3s ease;
  background: radial-gradient(360px circle at var(--mx) var(--my), var(--glow), transparent 60%);
}
.card:hover { border-color: var(--line-strong); }
.card:hover::before { opacity: 1; }
.card .k { font-family: var(--f-mono); font-size: var(--t-micro); letter-spacing: .12em; color: var(--beacon); text-transform: uppercase; }
.card h3 { font-family: var(--f-display); font-stretch: 112%; font-weight: 700; font-size: var(--t-h3); line-height: 1.2; }
.card p { color: var(--ink-2); font-size: 0.98rem; }
.card .glyph { width: 44px; height: 44px; margin-bottom: 6px; color: var(--accent); }
@media (min-width: 700px) and (max-width: 1039px) { .cards .card:last-child { grid-column: 1 / -1; min-height: 0; } }

/* counters */
.counters { display: grid; gap: 1px; grid-template-columns: 1fr; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin-top: clamp(40px, 6vw, 72px); }
@media (min-width: 700px) { .counters { grid-template-columns: repeat(3, 1fr); } }
.counter { background: var(--bg); padding: clamp(22px, 3vw, 32px); display: grid; gap: 6px; }
.counter .num { font-family: var(--f-display); font-stretch: 125%; font-weight: 800; font-size: clamp(2.6rem, 2rem + 2.6vw, 4rem); line-height: 1; font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.counter .num .suf { color: var(--beacon); }
.counter .lbl { color: var(--muted); font-size: var(--t-small); max-width: 28ch; }

/* roadmap */
.roadmap { margin-top: clamp(56px, 8vw, 96px); }
.roadmap h3 { font-family: var(--f-mono); font-weight: 500; font-size: var(--t-micro); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
.track {
  display: grid; grid-template-columns: 1fr auto; gap: 6px 16px; align-items: center;
  padding: 20px 4px; border-top: 1px solid var(--line); position: relative;
  transition: padding-left .35s cubic-bezier(.2, .8, .2, 1), background-color .3s ease;
}
.track:last-child { border-bottom: 1px solid var(--line); }
.track:hover { padding-left: 14px; }
.track .code { font-family: var(--f-display); font-stretch: 125%; font-weight: 800; font-size: clamp(1.5rem, 1.1rem + 2vw, 2.6rem); letter-spacing: -.02em; line-height: 1.05; }
.track .name { color: var(--muted); font-size: var(--t-small); grid-column: 1 / 2; }
.track .right { grid-column: 2; grid-row: 1 / span 2; display: flex; align-items: center; gap: 14px; }
.bars4 { display: inline-flex; gap: 3px; align-items: flex-end; height: 22px; }
.bars4 i { width: 5px; border-radius: 1px; background: var(--line-strong); }
.bars4 i:nth-child(1) { height: 25%; } .bars4 i:nth-child(2) { height: 50%; } .bars4 i:nth-child(3) { height: 75%; } .bars4 i:nth-child(4) { height: 100%; }
.bars4 i.on { background: var(--beacon); }
.tag { font-family: var(--f-mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; padding: 5px 10px; border-radius: 999px; border: 1px solid var(--line-strong); color: var(--muted); white-space: nowrap; }
.tag.live { color: var(--beacon); border-color: color-mix(in srgb, var(--beacon) 55%, transparent); }
@media (max-width: 520px) { .track .bars4 { display: none; } }

/* ---------- demo teaser ---------- */
.demo-grid { display: grid; gap: clamp(32px, 5vw, 64px); grid-template-columns: 1fr; align-items: center; }
@media (min-width: 960px) { .demo-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); } }
.demo-copy { display: grid; gap: 24px; }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.checks li { display: grid; grid-template-columns: 22px 1fr; gap: 12px; color: var(--ink-2); }
.checks li::before { content: ""; width: 14px; height: 14px; margin-top: 6px; border-radius: 50%; border: 3px solid var(--beacon); }

.qcard-wrap { position: relative; }
.qcard {
  border: 1px solid var(--line-strong); border-radius: 20px; background: var(--panel-solid);
  padding: clamp(20px, 3vw, 32px); display: grid; gap: 18px; box-shadow: var(--shadow);
}
.qmeta { display: flex; justify-content: space-between; font-family: var(--f-mono); font-size: 11px; letter-spacing: .1em; color: var(--muted); text-transform: uppercase; gap: 10px; flex-wrap: wrap; }
.qtext { font-size: clamp(1.05rem, 1rem + .3vw, 1.2rem); font-weight: 500; line-height: 1.5; }
.opts { display: grid; gap: 10px; }
.opt {
  display: grid; grid-template-columns: 32px 1fr; gap: 12px; align-items: center; text-align: left;
  padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line); background: transparent; width: 100%;
}
.opt .l { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 8px; border: 1px solid var(--line-strong); font-family: var(--f-mono); font-size: 12px; color: var(--muted); }
.qcard.locked .opts, .qcard.locked .qtext { filter: blur(5px); user-select: none; }
.lock {
  position: absolute; inset: 0; display: grid; place-items: center; padding: 20px; text-align: center;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--bg) 70%, transparent), transparent);
}
.lock-inner { display: grid; gap: 12px; justify-items: center; max-width: 320px; }
.lock-inner svg { width: 40px; height: 40px; color: var(--beacon); }
.lock-inner strong { font-family: var(--f-display); font-stretch: 112%; font-size: 1.2rem; }
.lock-inner p { color: var(--ink-2); font-size: var(--t-small); }

/* ---------- consulting ---------- */
.consult-grid { display: grid; gap: clamp(32px, 5vw, 64px); grid-template-columns: 1fr; }
@media (min-width: 960px) { .consult-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: start; } }
.status-pill { display: inline-flex; gap: 8px; align-items: center; font-family: var(--f-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--warn); border: 1px solid color-mix(in srgb, var(--warn) 50%, transparent); padding: 6px 12px; border-radius: 999px; width: fit-content; }
.status-pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.areas { list-style: none; margin: 8px 0 0; padding: 0; display: grid; gap: 0; }
.areas li { display: grid; grid-template-columns: 56px 1fr; gap: 12px; padding: 18px 0; border-top: 1px solid var(--line); }
.areas li:last-child { border-bottom: 1px solid var(--line); }
.areas .n { font-family: var(--f-mono); font-size: 12px; color: var(--muted); padding-top: 3px; }
.areas b { display: block; font-weight: 600; margin-bottom: 2px; }
.areas span { color: var(--muted); font-size: var(--t-small); }

.form-panel { border: 1px solid var(--line-strong); border-radius: 20px; background: var(--panel-solid); padding: clamp(20px, 3vw, 32px); display: grid; gap: 18px; }
.form-panel h3 { font-family: var(--f-display); font-stretch: 112%; font-weight: 700; font-size: var(--t-h3); }
.form-panel > p { color: var(--muted); font-size: var(--t-small); margin-top: -8px; }
.field { display: grid; gap: 6px; }
.field label { font-family: var(--f-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.field input, .field select, .field textarea {
  width: 100%; min-height: 48px; padding: 12px 14px; border-radius: 10px;
  border: 1px solid var(--line-strong); background: var(--bg); font-size: 16px; outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.field textarea { min-height: 110px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--beacon); box-shadow: 0 0 0 4px var(--glow); }
.field-row { display: grid; gap: 14px; grid-template-columns: 1fr; }
@media (min-width: 560px) { .field-row { grid-template-columns: 1fr 1fr; } }
.form-panel .btn { justify-self: start; }
@media (max-width: 459px) { .form-panel .btn { justify-self: stretch; } }

/* ---------- engineer ---------- */
.eng-grid { display: grid; gap: clamp(32px, 5vw, 72px); grid-template-columns: 1fr; align-items: center; }
@media (min-width: 900px) { .eng-grid { grid-template-columns: minmax(260px, .8fr) minmax(0, 1.2fr); } }
.sigil { position: relative; aspect-ratio: 1; width: 100%; max-width: 420px; margin-inline: auto; }
.sigil canvas { width: 100%; height: 100%; }
.eng-copy { display: grid; gap: 22px; }
.eng-copy .big { font-family: var(--f-display); font-stretch: 112%; font-weight: 700; font-size: clamp(1.45rem, 1.1rem + 1.4vw, 2.3rem); line-height: 1.2; letter-spacing: -.01em; text-wrap: balance; }
.eng-copy p { color: var(--ink-2); max-width: 62ch; }
.certs { display: flex; gap: 10px; flex-wrap: wrap; }
.cert { font-family: var(--f-mono); font-size: 12px; letter-spacing: .08em; padding: 8px 12px; border: 1px solid var(--line-strong); border-radius: 8px; display: inline-flex; gap: 8px; align-items: center; }
.cert b { color: var(--beacon); font-weight: 500; }
.fine { color: var(--muted); font-size: var(--t-micro); font-family: var(--f-mono); letter-spacing: .03em; line-height: 1.6; }

/* ---------- final CTA ---------- */
.final { text-align: left; overflow: hidden; }
.final .display { font-size: clamp(2.6rem, 1rem + 8vw, 9rem); line-height: .9; }
.final .display .o { color: var(--beacon); }
.final-row { display: grid; gap: 28px; margin-top: clamp(28px, 4vw, 48px); grid-template-columns: 1fr; align-items: end; }
@media (min-width: 900px) { .final-row { grid-template-columns: 1fr auto; } }
.final-row .lead { max-width: 44ch; }

/* marquee of channels */
.ticker { border-block: 1px solid var(--line); overflow: hidden; white-space: nowrap; font-family: var(--f-mono); font-size: 12px; color: var(--muted); letter-spacing: .1em; }
.ticker-track { display: inline-flex; gap: 40px; padding: 14px 0; animation: tick 50s linear infinite; }
.ticker-track span b { color: var(--beacon); font-weight: 500; }
@keyframes tick { to { transform: translateX(-50%); } }

/* ---------- footer ---------- */
.site-footer { padding-block: clamp(48px, 7vw, 80px) calc(28px + env(safe-area-inset-bottom, 0px)); border-top: 1px solid var(--line); }
.foot-grid { display: grid; gap: 32px; grid-template-columns: 1fr; }
@media (min-width: 800px) { .foot-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.foot-brand { display: grid; gap: 12px; }
.foot-brand svg.wm { height: 22px; width: auto; aspect-ratio: 11392 / 1040; }
.foot-brand .tagline { font-family: var(--f-mono); font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.foot-col h4 { margin: 0 0 12px; font-family: var(--f-mono); font-weight: 500; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.foot-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.foot-col a { text-decoration: none; color: var(--ink-2); font-size: var(--t-small); }
.foot-col a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.foot-base { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .js .reveal:not(.is-in) { opacity: 1; transform: none; }
  .card { transform: none !important; }
}

/* engineer sigil */
.sigil-svg { width: 100%; height: 100%; overflow: visible; }
.sigil-svg .dial { fill: none; stroke: var(--line-strong); stroke-width: .5; stroke-dasharray: 1 3; transform-origin: 0 0; animation: spin 60s linear infinite; }
.sigil-svg .dial-2 { fill: none; stroke: var(--line); stroke-width: .4; }
.sigil-svg .rings circle { fill: none; stroke: var(--wm-accent); stroke-width: .7; transform-origin: 0 0; opacity: 0; animation: wave 4.8s cubic-bezier(.2, .6, .4, 1) infinite; }
.sigil-svg .rings circle:nth-child(2) { animation-delay: 1.2s; }
.sigil-svg .rings circle:nth-child(3) { animation-delay: 2.4s; }
.sigil-svg .rings circle:nth-child(4) { animation-delay: 3.6s; }
@keyframes wave { 0% { transform: scale(1); opacity: .8; } 100% { transform: scale(3); opacity: 0; } }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .sigil-svg .rings circle { opacity: .25; } }