/* VeilGuard — landing page styles */
:root {
  --bg: #07090a;
  --bg-2: #0c0f10;
  --panel: #101415;
  --panel-2: #151a1b;
  --line: #1f2729;
  --line-2: #2a3437;
  --text: #e9efec;
  --muted: #9aa8a3;
  --dim: #6c7a75;
  --green: #3dff95;
  --green-2: #12c968;
  --green-glow: rgba(61, 255, 149, .45);
  --red: #ff4f5e;
  --red-glow: rgba(255, 79, 94, .45);
  --amber: #ffc24b;
  --r: 14px;
  --r-lg: 22px;
  --font-display: "Bricolage Grotesque", ui-sans-serif, system-ui, sans-serif;
  --font-body: "Hanken Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --wrap: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
}

*, *::before, *::after { box-sizing: border-box; }
html { overflow-x: clip; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 17px/1.6 var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
/* subtle grain + grid atmosphere */
body::before {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: -1;
  background:
    linear-gradient(rgba(255,255,255,.022) 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(90deg, rgba(255,255,255,.022) 1px, transparent 1px) 0 0 / 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 75%);
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { margin: 0; font-family: var(--font-display); letter-spacing: -.02em; }
p { margin: 0; }
code, .mono { font-family: var(--font-mono); }
code { font-size: .88em; background: var(--panel-2); border: 1px solid var(--line); padding: .1em .4em; border-radius: 6px; color: var(--green); }
strong { color: #fff; font-weight: 600; }

:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; border-radius: 6px; }
.skip { position: absolute; left: 12px; top: -60px; background: var(--green); color: #031; padding: 10px 14px; border-radius: 8px; z-index: 100; font-weight: 600; }
.skip:focus { top: 12px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- Buttons ---------- */
.btn {
  --h: 48px;
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  height: var(--h); padding: 0 22px; border-radius: 999px;
  font: 600 15px/1 var(--font-body); text-decoration: none; white-space: nowrap;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .2s ease, box-shadow .25s ease, background .2s ease, border-color .2s ease;
}
.btn--sm { --h: 38px; padding: 0 16px; font-size: 14px; }
.btn--block { width: 100%; }
.btn--primary { background: var(--green); color: #02140a; box-shadow: 0 0 0 0 var(--green-glow), 0 8px 30px -10px var(--green-glow); }
.btn--primary:hover { transform: translateY(-1px); box-shadow: 0 0 0 4px rgba(61,255,149,.15), 0 10px 40px -8px var(--green-glow); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--line-2); }
.btn--ghost:hover { border-color: var(--green); color: var(--green); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font: 600 12px/1 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--green);
  margin-bottom: 18px;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); display: inline-block; flex: none; }
.dot--live { box-shadow: 0 0 0 0 var(--green-glow); animation: ping 2s infinite; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 var(--green-glow); } 80%,100% { box-shadow: 0 0 0 10px rgba(61,255,149,0); } }

.display { font-size: clamp(46px, 7.4vw, 96px); line-height: .95; font-weight: 800; letter-spacing: -.045em; }
.display em { font-style: normal; color: var(--green); text-shadow: 0 0 40px var(--green-glow); }
.display--sm { font-size: clamp(38px, 5.5vw, 72px); }
.h2 { font-size: clamp(30px, 4vw, 50px); line-height: 1.05; font-weight: 800; max-width: 18ch; }
.lede { font-size: clamp(17px, 1.5vw, 19px); color: var(--muted); max-width: 52ch; margin-top: 24px; }
.body-lg { font-size: 18px; color: var(--muted); max-width: 52ch; margin-top: 18px; }
.fineprint { font-size: 12.5px; color: var(--dim); }
.g { color: var(--green); font-weight: 600; } .r { color: var(--red); font-weight: 600; }
.link { display: inline-block; margin-top: 22px; color: var(--green); text-decoration: none; font-weight: 600; border-bottom: 1px solid rgba(61,255,149,.35); }
.link:hover { border-color: var(--green); }

/* ---------- Nav ---------- */
.nav { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(14px) saturate(140%); -webkit-backdrop-filter: blur(14px) saturate(140%); background: rgba(7,9,10,.72); border-bottom: 1px solid rgba(255,255,255,.05); }
.nav__inner { display: flex; align-items: center; gap: 24px; height: 66px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand__mark { width: 26px; height: 26px; color: var(--green); filter: drop-shadow(0 0 8px var(--green-glow)); }
.brand__name { font: 800 19px/1 var(--font-display); letter-spacing: -.02em; }
.brand__by { font: 400 12px/1 var(--font-mono); color: var(--dim); }
.nav__links { display: flex; gap: 26px; margin-left: auto; }
.nav__links a { color: var(--muted); text-decoration: none; font-size: 15px; }
.nav__links a:hover { color: var(--text); }
.nav__cta { display: flex; gap: 10px; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: clamp(48px, 8vw, 110px) 0 clamp(56px, 8vw, 100px); overflow: hidden; }
.hero__glow { position: absolute; inset: -20% -10% auto 30%; height: 760px; background: radial-gradient(closest-side, rgba(61,255,149,.16), transparent 70%); filter: blur(30px); pointer-events: none; }
.hero__grid { position: relative; display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero__actions--center { justify-content: center; }
.hero__facts { list-style: none; padding: 0; margin: 40px 0 0; display: grid; gap: 10px; color: var(--muted); font-size: 15px; }
.hero__facts .mono { color: var(--green); font-size: 12px; margin-right: 10px; opacity: .8; }

/* ---------- Halo + window ---------- */
.halo {
  --c: var(--green); --glow: var(--green-glow);
  position: relative; border-radius: var(--r-lg); padding: 3px;
  background: var(--c);
  box-shadow: 0 0 0 1px var(--c), 0 0 28px 2px var(--glow), 0 0 90px -10px var(--glow), 0 40px 80px -30px rgba(0,0,0,.8);
  transition: background .5s ease, box-shadow .5s ease;
  animation: breathe 3.6s ease-in-out infinite;
}
.halo[data-state="off"], .frame[data-state="off"] { --c: var(--red); --glow: var(--red-glow); }
@keyframes breathe { 50% { box-shadow: 0 0 0 1px var(--c), 0 0 40px 4px var(--glow), 0 0 120px -6px var(--glow), 0 40px 80px -30px rgba(0,0,0,.8); } }

.window { background: var(--bg-2); border-radius: calc(var(--r-lg) - 3px); overflow: hidden; }
.window__bar { display: flex; align-items: center; gap: 7px; padding: 12px 14px; border-bottom: 1px solid var(--line); background: #0e1213; }
.tl { width: 10px; height: 10px; border-radius: 50%; background: #2b3336; flex: none; }
.window__url { margin-left: 10px; font-size: 12px; color: var(--dim); background: #090c0d; border: 1px solid var(--line); padding: 5px 10px; border-radius: 8px; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.shield-pill { display: inline-flex; align-items: center; gap: 6px; font: 600 11px/1 var(--font-mono); color: var(--c, var(--green)); padding: 6px 9px; border-radius: 999px; border: 1px solid currentColor; white-space: nowrap; }
.shield-pill .dot { width: 6px; height: 6px; background: currentColor; }
.halo .shield-pill { color: var(--c); }

.window__body { position: relative; padding: 18px; min-height: 380px; display: flex; flex-direction: column; justify-content: flex-end; gap: 12px; }
.thread { display: flex; flex-direction: column; gap: 10px; }
.msg { max-width: 86%; padding: 11px 14px; border-radius: 14px; font-size: 14.5px; line-height: 1.45; animation: rise .4s ease both; }
.msg--ai { background: var(--panel-2); color: var(--muted); border-bottom-left-radius: 4px; }
.msg--me { align-self: flex-end; background: #17251e; border: 1px solid #1f3b2c; color: var(--text); border-bottom-right-radius: 4px; }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } }

.composer { display: flex; align-items: flex-end; gap: 10px; padding: 12px 12px 12px 14px; border-radius: 14px; background: var(--panel); border: 1px solid var(--line-2); min-height: 56px; }
.composer__text { flex: 1; font-size: 14.5px; line-height: 1.5; color: var(--text); min-height: 22px; word-break: break-word; }
.composer__text::after { content: ""; display: inline-block; width: 2px; height: 1.05em; background: var(--green); vertical-align: -2px; margin-left: 1px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.composer__send { width: 32px; height: 32px; border-radius: 9px; background: #1b2224; display: grid; place-items: center; color: var(--dim); font-weight: 700; flex: none; transition: background .2s, color .2s; }
.composer.is-ready .composer__send { background: var(--green); color: #02140a; }

.secret { font-family: var(--font-mono); font-size: .9em; padding: 1px 4px; border-radius: 5px; transition: background .3s, color .3s, box-shadow .3s; }
.secret.is-flagged { background: rgba(255,79,94,.14); color: #ffb3ba; box-shadow: inset 0 -2px 0 var(--red); animation: shake .4s ease; }
.secret.is-masked, .masked { background: rgba(61,255,149,.12); color: var(--green); box-shadow: inset 0 0 0 1px rgba(61,255,149,.35); font-family: var(--font-mono); padding: 1px 6px; border-radius: 5px; }
@keyframes shake { 25% { transform: translateX(-2px); } 75% { transform: translateX(2px); } }

.warn {
  position: absolute; left: 18px; right: 18px; bottom: 84px;
  background: #121617; border: 1px solid #3a2226; border-radius: 14px; padding: 14px;
  box-shadow: 0 20px 50px -10px rgba(0,0,0,.8), 0 0 0 1px rgba(255,79,94,.08);
  opacity: 0; transform: translateY(10px) scale(.98); pointer-events: none;
  transition: opacity .3s ease, transform .3s ease;
}
.warn.is-open { opacity: 1; transform: none; }
.warn__head { display: flex; align-items: center; gap: 12px; }
.warn__head strong { display: block; font-size: 15px; }
.warn__sub { font-size: 12.5px; color: var(--dim); }
.warn__icon { width: 30px; height: 30px; border-radius: 9px; display: grid; place-items: center; background: rgba(255,79,94,.15); color: var(--red); font-weight: 800; flex: none; }
.risk { margin-left: auto; font: 600 11px/1 var(--font-mono); text-transform: uppercase; letter-spacing: .08em; color: var(--red); background: rgba(255,79,94,.12); border: 1px solid rgba(255,79,94,.35); padding: 6px 8px; border-radius: 6px; white-space: nowrap; }
.risk--sm { margin: 0; }
.warn__list { list-style: none; margin: 12px 0; padding: 10px 12px; background: #0b0e0f; border-radius: 10px; font-size: 12.5px; color: var(--muted); }
.warn__list li { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.tag { display: inline-block; font: 600 11px/1 var(--font-mono); color: var(--muted); border: 1px solid var(--line-2); padding: 5px 7px; border-radius: 6px; white-space: nowrap; }
.warn__actions { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font: 600 13px/1 var(--font-body); padding: 9px 12px; border-radius: 9px; border: 1px solid var(--line-2); color: var(--text); transition: transform .15s, box-shadow .2s; }
.chip--primary { background: var(--green); color: #02140a; border-color: var(--green); }
.chip--primary.is-pressed { transform: scale(.94); box-shadow: 0 0 0 5px rgba(61,255,149,.25); }
.chip--danger { color: var(--red); border-color: rgba(255,79,94,.35); }

.demo__caption { margin-top: 18px; text-align: center; font-size: 12px; color: var(--dim); letter-spacing: .04em; }
.demo__caption span::before { content: "› "; color: var(--green); }

/* ---------- Strip ---------- */
.strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: linear-gradient(180deg, rgba(255,255,255,.015), transparent); padding: 40px 0 34px; }
.strip__title { font-size: 12px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--dim); margin-bottom: 18px; text-align: center; }
.badges { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.badges li { font: 600 15px/1 var(--font-display); padding: 11px 16px; border-radius: 999px; border: 1px solid var(--line-2); background: var(--panel); color: var(--text); transition: border-color .2s, color .2s, box-shadow .2s; }
.badges li:hover { border-color: rgba(61,255,149,.6); box-shadow: 0 0 20px -6px var(--green-glow); }
.badges .badge--add { border-style: dashed; color: var(--green); background: transparent; }
.strip__desk { text-align: center; color: var(--muted); font-size: 14.5px; margin-top: 22px; }
.strip__desk .mono { font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--green); border: 1px solid rgba(61,255,149,.35); padding: 4px 7px; border-radius: 6px; margin-right: 8px; }
.strip .fineprint { text-align: center; margin-top: 14px; }

/* ---------- Sections ---------- */
.section { padding: clamp(72px, 10vw, 130px) 0; }
.section__head { margin-bottom: clamp(36px, 5vw, 60px); }

/* steps */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: s; position: relative; }
.step { position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 28px; display: flex; flex-direction: column; gap: 12px; }
.step:not(:last-child)::after { content: ""; position: absolute; right: -18px; top: 46px; width: 18px; height: 1px; background: linear-gradient(90deg, var(--green), transparent); }
.step__num { font-size: 12px; color: var(--green); }
.step h3 { font-size: 26px; font-weight: 800; }
.step p { color: var(--muted); font-size: 15.5px; }
.step__viz { margin-top: auto; padding: 14px; background: #0b0e0f; border: 1px solid var(--line); border-radius: 12px; font-size: 13px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 6px; align-items: center; min-height: 54px; }
mark.hl { background: rgba(255,79,94,.14); color: #ffb3ba; box-shadow: inset 0 -2px 0 var(--red); padding: 1px 4px; border-radius: 4px; }

/* halo section */
.section--halo { background: radial-gradient(ellipse 60% 70% at 75% 50%, rgba(61,255,149,.06), transparent 70%); }
.halo-split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.toggle { margin-top: 30px; display: inline-flex; align-items: center; gap: 14px; background: none; border: 0; color: var(--text); font: 500 16px/1 var(--font-body); cursor: pointer; padding: 6px 0; }
.toggle__track { width: 56px; height: 30px; border-radius: 999px; background: var(--green); position: relative; transition: background .3s; box-shadow: 0 0 20px -4px var(--green-glow); }
.toggle__thumb { position: absolute; top: 3px; left: 29px; width: 24px; height: 24px; border-radius: 50%; background: #031; transition: left .3s ease; }
.toggle[aria-pressed="false"] .toggle__track { background: var(--red); box-shadow: 0 0 20px -4px var(--red-glow); }
.toggle[aria-pressed="false"] .toggle__thumb { left: 3px; }
.toggle__label strong { color: var(--green); }
.toggle[aria-pressed="false"] .toggle__label strong { color: var(--red); }

.halo-frames { display: grid; place-items: center; padding: 20px; }
.frame {
  --c: var(--green); --glow: var(--green-glow);
  width: 100%; max-width: 480px; aspect-ratio: 16 / 10; border-radius: 16px; background: var(--bg-2);
  border: 3px solid var(--c);
  box-shadow: 0 0 30px 0 var(--glow), 0 0 100px -10px var(--glow), inset 0 0 40px -20px var(--glow);
  transition: border-color .5s, box-shadow .5s; overflow: hidden;
}
.frame__bar { display: flex; align-items: center; gap: 7px; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.frame__label { margin-left: auto; font-size: 11px; font-weight: 600; color: var(--c); transition: color .5s; }
.frame__lines { padding: 26px; display: grid; gap: 14px; }
.frame__lines i { display: block; height: 12px; border-radius: 6px; background: var(--panel-2); }
.frame__lines i.short { width: 55%; }

/* feature groups */
.groups { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px; }
.group { --accent: var(--green); background: var(--panel); border: 1px solid var(--line); border-radius: var(--r-lg); padding: clamp(22px, 3vw, 34px); position: relative; overflow: hidden; }
.group::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 2px; background: linear-gradient(90deg, var(--accent), transparent 70%); }
.group--prompt { grid-column: span 5; }
.group--web { grid-column: span 7; grid-row: span 2; }
.group--crypto { grid-column: span 5; --accent: var(--amber); }
.group--identity { grid-column: span 6; --accent: #c4a6ff; }
.group--evidence { grid-column: span 6; --accent: var(--green); }
.group--admin { grid-column: span 12; --accent: #7fd8ff; }
.group__head { margin-bottom: 20px; }
.group__idx { font-size: 12px; color: var(--accent); }
.group h3 { font-size: 28px; font-weight: 800; margin-top: 6px; }
.group__head p { color: var(--muted); margin-top: 6px; font-size: 15.5px; }
.feat { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; }
.group--web .feat { grid-template-columns: 1fr 1fr; column-gap: 26px; }
.group--admin .feat { grid-template-columns: repeat(4, 1fr); column-gap: 26px; }
.feat li { padding: 13px 0; border-top: 1px solid var(--line); display: grid; gap: 3px; }
.feat b { font-weight: 600; font-size: 15.5px; color: var(--text); }
.feat b::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 2px; background: var(--accent); margin-right: 9px; vertical-align: 2px; }
.feat span { color: var(--dim); font-size: 14px; padding-left: 15px; }

/* industry packs */
.section--industries { padding-top: 0; }
.packs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.pack { --accent: var(--green); min-width: 0; position: relative; overflow: hidden; background: var(--panel); border: 1px solid var(--line); border-radius: var(--r-lg); padding: clamp(22px, 3vw, 34px); display: flex; flex-direction: column; gap: 16px; }
.pack::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 2px; background: linear-gradient(90deg, var(--accent), transparent 70%); }
.pack--finance { --accent: var(--amber); }
.pack--health { --accent: #7fd8ff; }
.pack--legal { --accent: #c4a6ff; }
.pack--web3 { --accent: var(--green); }
.pack__head { display: flex; align-items: baseline; gap: 12px; }
.pack__idx { font-size: 12px; color: var(--accent); }
.pack h3 { font-size: 26px; font-weight: 800; }
.pack__p { color: var(--muted); font-size: 15.5px; }
.pack__tags { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.pack__tags li { font: 600 12px/1.2 var(--font-mono); color: var(--text); padding: 7px 10px; border-radius: 8px; border: 1px solid var(--line-2); background: #0b0e0f; max-width: 100%; overflow-wrap: anywhere; }
.pack__note { margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.pack__note .mono { font-size: 11px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); border: 1px solid var(--line-2); padding: 3px 6px; border-radius: 6px; margin-right: 8px; }
.packs__fine { margin-top: 22px; max-width: 80ch; }

/* privacy */
.section--privacy { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.privacy { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.ledger { margin: 0; border: 1px solid var(--line-2); border-radius: var(--r-lg); overflow: hidden; background: var(--bg); }
.ledger__row { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 18px 22px; border-top: 1px solid var(--line); }
.ledger__row:first-child { border-top: 0; }
.ledger dt { font-weight: 500; }
.ledger dd { margin: 0; color: var(--dim); font-size: 13px; text-align: right; white-space: nowrap; }
.ledger dd .mono { color: var(--amber); font-size: 12.5px; font-weight: 600; }
.ledger__row--never dd .mono { color: var(--green); }

/* install */
.install { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.card { min-width: 0; background: var(--panel); border: 1px solid var(--line); border-radius: var(--r-lg); padding: clamp(22px, 3vw, 34px); display: flex; flex-direction: column; gap: 18px; }
.card__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.card h3 { font-size: 24px; font-weight: 800; }
.card__p { color: var(--muted); font-size: 15.5px; }
.card .btn { margin-top: auto; }
.ins { list-style: none; counter-reset: i; margin: 0; padding: 0; display: grid; gap: 12px; }
.ins li { counter-increment: i; position: relative; padding-left: 40px; color: var(--muted); font-size: 15.5px; }
.ins li::before { content: counter(i); position: absolute; left: 0; top: -1px; width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center; font: 600 12px/1 var(--font-mono); color: var(--green); border: 1px solid rgba(61,255,149,.35); }
.ins a { color: var(--green); }
.code { position: relative; background: #070909; border: 1px solid var(--line-2); border-radius: 12px; }
.code pre { margin: 0; padding: 16px 84px 16px 16px; white-space: pre-wrap; overflow-wrap: anywhere; }
.code code { background: none; border: 0; padding: 0; color: var(--green); font-size: 13.5px; }
.copy { position: absolute; top: 50%; right: 8px; transform: translateY(-50%); background: var(--panel-2); color: var(--text); border: 1px solid var(--line-2); border-radius: 8px; padding: 7px 12px; font: 600 12px/1 var(--font-mono); cursor: pointer; }
.copy:hover { border-color: var(--green); color: var(--green); }

/* faq */
.faq-wrap { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(28px, 5vw, 80px); align-items: start; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 20px 40px 20px 0; position: relative; font: 600 18px/1.35 var(--font-display); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); font: 400 24px/1 var(--font-mono); color: var(--green); transition: transform .25s; }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { color: var(--muted); padding: 0 0 22px; max-width: 62ch; }

/* cta */
.cta { padding: clamp(80px, 10vw, 130px) 0; text-align: center; position: relative; overflow: hidden; }
.cta::before { content: ""; position: absolute; left: 50%; top: 50%; width: min(900px, 140vw); height: 420px; transform: translate(-50%, -50%); background: radial-gradient(closest-side, rgba(61,255,149,.14), transparent); pointer-events: none; }
.cta__inner { position: relative; }
.cta .body-lg { margin: 18px auto 0; }

/* footer */
.footer { border-top: 1px solid var(--line); padding: 40px 0 48px; }
.footer__inner { display: grid; grid-template-columns: 1fr auto; gap: 20px 40px; align-items: center; }
.footer__links { display: flex; flex-wrap: wrap; gap: 22px; }
.footer__links a { color: var(--muted); text-decoration: none; font-size: 15px; }
.footer__links a:hover { color: var(--green); }
.footer__legal { grid-column: 1 / -1; }
.footer__brand .fineprint { margin-top: 6px; }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1020px) {
  .hero__grid { grid-template-columns: minmax(0, 1fr); }
  .demo { max-width: 620px; width: 100%; margin: 0 auto; }
  .group--prompt, .group--web, .group--crypto, .group--identity, .group--evidence { grid-column: span 12; grid-row: auto; }
  .group--admin .feat { grid-template-columns: 1fr 1fr; }
  .faq-wrap { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 860px) {
  .nav__links { display: none; }
  .nav__cta { margin-left: auto; }
  .steps { grid-template-columns: 1fr; }
  .step:not(:last-child)::after { right: auto; left: 46px; top: auto; bottom: -18px; width: 1px; height: 18px; background: linear-gradient(180deg, var(--green), transparent); }
  .halo-split, .privacy, .install, .packs { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .hide-sm { display: none; }
  .brand__by { display: none; }
  .group--web .feat, .group--admin .feat { grid-template-columns: 1fr; }
  .window__body { padding: 14px; min-height: 400px; }
  .warn { left: 12px; right: 12px; bottom: 80px; padding: 12px; }
  .warn__actions { gap: 6px; }
  .chip { font-size: 12px; padding: 8px 9px; }
  .ledger__row { flex-direction: column; align-items: flex-start; gap: 4px; padding: 16px 18px; }
  .ledger dd { text-align: left; white-space: normal; }
  .footer__inner { grid-template-columns: 1fr; }
  .hero__actions .btn { flex: 1 1 100%; }
  .badges li { font-size: 14px; padding: 9px 13px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}