/* Focus AI Brain. Product page. Built on the Focus AI Design System tokens (tokens.css). */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-clearance); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--color-bg-page);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-underline-offset: 4px; text-decoration-thickness: 1px; }
a:focus-visible, button:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}
::selection { background: var(--color-accent); color: #fff; }
html { scrollbar-color: #343434 var(--color-bg-dark); }
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--color-bg-dark); }
::-webkit-scrollbar-thumb { background: #343434; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  text-wrap: balance;
  margin: 0;
}
p { margin: 0; text-wrap: pretty; }

.wrap { width: 100%; max-width: var(--container-2xl); margin: 0 auto; padding: 0 var(--space-section-x); }
.mono { font-family: var(--font-mono); }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 999; background: var(--color-accent); padding: 8px 12px; }

/* HUD corner ticks */
.ticked { position: relative; }
.ticked > .tk { position: absolute; width: 9px; height: 9px; pointer-events: none; border-color: var(--color-tick); border-style: solid; border-width: 0; }
.tk.tl { top: -1px; left: -1px; border-top-width: 1px; border-left-width: 1px; }
.tk.tr { top: -1px; right: -1px; border-top-width: 1px; border-right-width: 1px; }
.tk.bl { bottom: -1px; left: -1px; border-bottom-width: 1px; border-left-width: 1px; }
.tk.br { bottom: -1px; right: -1px; border-bottom-width: 1px; border-right-width: 1px; }

/* Buttons (Focus AI Button, primary and outline) */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: var(--control-height-lg); padding: 0 var(--control-padding-x-lg);
  font-family: var(--font-display); font-size: 14px; letter-spacing: var(--tracking-caps);
  text-transform: uppercase; text-decoration: none; white-space: nowrap;
  border: 1px solid transparent; border-radius: 0; cursor: pointer;
  transition: box-shadow var(--duration-fast) var(--easing-out-quart), border-color var(--duration-fast) var(--easing-out-quart), color var(--duration-fast) var(--easing-out-quart), background-color var(--duration-fast) var(--easing-out-quart);
}
.btn svg { width: 16px; height: 16px; }
.btn-primary { background: var(--color-accent); color: #fff; }
.btn-primary:hover { box-shadow: var(--shadow-glow-accent); }
.btn-outline { background: transparent; color: var(--color-text-primary); border-color: var(--color-border-default); }
.btn-outline:hover { border-color: var(--color-accent); color: var(--color-accent-light); box-shadow: 0 0 8px rgba(44,97,210,.35), 0 0 20px rgba(44,97,210,.15); }
.btn-sm { height: var(--control-height-sm); padding: 0 var(--control-padding-x-sm); font-size: 12px; }

/* Nav: dark glass island */
.nav {
  position: fixed; z-index: var(--z-nav); top: var(--nav-top); left: 50%; transform: translateX(-50%);
  width: calc(100% - 32px); max-width: var(--nav-max-width); height: var(--nav-height);
  display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 0 10px 0 20px;
  background: linear-gradient(180deg, var(--liquid-glass-tint-top), var(--liquid-glass-tint-bottom));
  -webkit-backdrop-filter: var(--liquid-glass-nav-backdrop); backdrop-filter: var(--liquid-glass-nav-backdrop);
  border: 1px solid var(--liquid-glass-border); box-shadow: var(--shadow-nav);
}
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.brand img { height: 22px; width: auto; }
.brand .prod { font-family: var(--font-display); font-size: 12px; letter-spacing: var(--tracking-caps); color: var(--color-accent-light); padding-left: 14px; border-left: 1px solid var(--color-border-default); line-height: 22px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a:not(.btn) { font-family: var(--font-display); font-size: 12px; letter-spacing: var(--tracking-caps); text-transform: uppercase; color: var(--color-text-secondary); text-decoration: none; transition: color var(--duration-fast); }
.nav-links a:not(.btn):hover { color: #fff; }

/* Hero */
.hero { position: relative; padding: calc(var(--nav-clearance) + 24px) 0 var(--space-section-y); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 11fr 13fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.hero h1 .name { display: block; font-size: clamp(40px, 5vw, 64px); line-height: 1.04; letter-spacing: 0.04em; color: #fff; }
.hero h1 .claim { display: block; margin-top: 18px; font-size: clamp(22px, 2.4vw, 32px); line-height: 1.2; letter-spacing: 0.05em; color: var(--color-accent-light); }
.hero .lede { margin-top: 28px; font-size: clamp(16px, 1.35vw, 18px); line-height: 1.6; color: rgba(255,255,255,.72); max-width: 34rem; }
.hero .actions { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 12px; }
.hero .foot { margin-top: 28px; font-family: var(--font-mono); font-size: 12px; letter-spacing: var(--tracking-caps-narrow); text-transform: uppercase; color: var(--color-faint); display: flex; align-items: center; gap: 10px; }
.dot { width: 7px; height: 7px; border-radius: 0; background: var(--color-success); box-shadow: 0 0 8px rgba(52,211,153,.8); flex: none; }

/* Pixel field behind hero */
.field { position: absolute; inset: 0; z-index: -1; pointer-events: none; opacity: .9;
  -webkit-mask-image: radial-gradient(ellipse 48% 75% at 80% 45%, #000 25%, transparent 78%);
  mask-image: radial-gradient(ellipse 48% 75% at 80% 45%, #000 25%, transparent 78%); }
.field canvas { width: 100%; height: 100%; }

/* Gate console */
.console { background: var(--color-surface-sunken); border: 1px solid var(--color-border-default); box-shadow: var(--shadow-xl); font-family: var(--font-mono); }
.console-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--color-border-subtle); background: var(--color-surface-header); font-size: 12px; letter-spacing: var(--tracking-caps-narrow); text-transform: uppercase; color: var(--color-text-secondary); }
.console-bar .id { color: #fff; }
.console-bar .tag { color: var(--color-faint); }
.replay { background: none; border: 1px solid var(--color-border-default); color: var(--color-text-secondary); font: inherit; letter-spacing: inherit; text-transform: uppercase; padding: 5px 10px; cursor: pointer; display: inline-flex; gap: 8px; align-items: center; transition: color var(--duration-fast), border-color var(--duration-fast); }
.replay:hover { color: #fff; border-color: var(--color-accent); }
.replay svg { width: 12px; height: 12px; }

.steps { list-style: none; margin: 0; padding: 6px 0; }
.step { display: grid; grid-template-columns: 104px 1fr; gap: 16px; padding: 14px 18px; border-bottom: 1px dashed var(--color-border-subtle); transition: opacity var(--duration-slow) var(--easing-decelerate), filter var(--duration-slow) var(--easing-decelerate); }
.step:last-child { border-bottom: 0; }
.step .k { font-size: 11px; letter-spacing: var(--tracking-caps); text-transform: uppercase; color: var(--color-faint); padding-top: 3px; display: flex; gap: 8px; align-items: flex-start; }
.step .k i { width: 7px; height: 7px; margin-top: 3px; background: var(--cell-off); flex: none; transition: background var(--duration-medium), box-shadow var(--duration-medium); }
.step.on .k i { background: var(--cell-on); box-shadow: var(--shadow-glow-cell); }
.step.on .k { color: var(--color-accent-light); }
.step .v { font-size: 13.5px; line-height: 1.6; color: var(--color-text-primary); min-width: 0; }
.step .meta { display: block; font-size: 12px; color: var(--color-faint); letter-spacing: .02em; margin-bottom: 4px; }
.step blockquote { margin: 0; font-family: var(--font-body); font-size: 15px; color: rgba(255,255,255,.86); }
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 7px; }
.checks li { display: grid; grid-template-columns: 1fr auto; gap: 12px; font-size: 13px; color: var(--color-text-secondary); transition: color var(--duration-base); }
.checks li b { font-weight: 400; font-size: 11px; letter-spacing: var(--tracking-caps); color: var(--color-inactive); transition: color var(--duration-base), text-shadow var(--duration-base); }
.checks li.ok { color: #fff; }
.checks li.ok b { color: var(--color-success); }
.verdict { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; }
.stamp { font-size: 14px; letter-spacing: var(--tracking-caps-wide); text-transform: uppercase; color: var(--color-success); display: inline-flex; align-items: center; gap: 10px; }
.stamp::before { content: ""; width: 9px; height: 9px; background: var(--color-success); }
.verdict .aside { color: var(--color-text-secondary); font-size: 12.5px; }
.record { display: grid; grid-template-columns: auto 1fr; gap: 4px 16px; font-size: 12.5px; }
.record dt { color: var(--color-faint); text-transform: uppercase; letter-spacing: var(--tracking-caps-narrow); font-size: 11px; padding-top: 2px; }
.record dd { margin: 0; color: #fff; overflow-wrap: anywhere; }
.record dd.act { color: var(--color-success); }

.playing .step:not(.on) { opacity: .28; filter: blur(1.5px); }

.note { margin-top: 12px; font-family: var(--font-mono); font-size: 11px; letter-spacing: var(--tracking-caps-narrow); text-transform: uppercase; color: var(--color-faint); text-align: right; }

/* Sections */
section { position: relative; }
.sec { padding: var(--space-section-y) 0; border-top: 1px solid var(--color-border-subtle); }
.sec h2 { font-size: var(--text-h2); line-height: 1.12; letter-spacing: 0.06em; }
.sec .intro { margin-top: 22px; font-size: 17px; line-height: 1.65; color: rgba(255,255,255,.7); max-width: 60ch; }

/* Leak */
.leak { display: grid; grid-template-columns: 6fr 6fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.leaks { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--color-border-default); }
.leaks li { display: grid; grid-template-columns: 150px 1fr; gap: 24px; padding: 22px 0; border-bottom: 1px solid var(--color-border-default); align-items: baseline; }
.leaks .where { font-family: var(--font-mono); font-size: 12px; letter-spacing: var(--tracking-caps); text-transform: uppercase; color: var(--color-faint); }
.leaks .what { font-family: var(--font-display); font-size: clamp(17px, 1.7vw, 21px); letter-spacing: .04em; text-transform: uppercase; line-height: 1.35; }
.leak .coda { margin-top: 28px; font-size: 16px; line-height: 1.65; color: rgba(255,255,255,.7); max-width: 56ch; }
.leak .coda strong { color: #fff; font-weight: 500; }

/* Pipeline */
.pipe-frame { margin-top: 56px; border: 1px solid var(--color-border-default); }
.pipe { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(6, 1fr); }
.stage .art { display: block; font-family: var(--font-mono); font-size: 11.5px; line-height: 1.5; color: var(--color-accent-light); padding: 8px 10px; background: var(--color-surface-well); border: 1px solid var(--color-border-subtle); overflow-wrap: anywhere; }
.stage { padding: 26px 18px 28px; border-right: 1px solid var(--color-border-default); display: flex; flex-direction: column; gap: 18px; min-width: 0; background: var(--color-bg-page); transition: background var(--duration-slow); }
.stage:last-child { border-right: 0; }
.stage .cells { display: grid; grid-template-columns: repeat(8, var(--cell-size)); gap: var(--cell-gap); }
.stage .cells span { width: var(--cell-size); height: var(--cell-size); background: var(--cell-off); transition: background var(--duration-medium), box-shadow var(--duration-medium); }
.stage .cells span.on { background: var(--cell-on); }
.stage .cells span.hi { background: var(--cell-hi); box-shadow: var(--shadow-glow-cell); }
.stage h3 { font-size: 18px; letter-spacing: var(--tracking-heading); }
.stage p { font-size: 14.5px; line-height: 1.6; color: rgba(255,255,255,.66); }
.stage .art { margin-top: auto; }
.stage.gate { background: var(--color-bg-section-alt); }
.pipe-foot { margin-top: 18px; font-size: 15px; color: var(--color-text-secondary); max-width: 70ch; }

/* Ask */
.ask { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.query { font-family: var(--font-mono); }
.q-line { display: flex; gap: 14px; align-items: center; padding: 18px 20px; border-bottom: 1px solid var(--color-border-subtle); background: var(--color-surface-input); font-size: 14px; }
.q-line .prompt { width: 16px; height: 16px; color: var(--color-accent-light); flex: none; }
.q-line .caret { display: inline-block; width: 8px; height: 16px; background: var(--color-accent-light); vertical-align: -3px; margin-left: 2px; animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.a-body { padding: 22px 20px 8px; font-family: var(--font-body); font-size: 16px; line-height: 1.7; color: rgba(255,255,255,.88); }
.a-body sup { font-family: var(--font-mono); font-size: 10px; color: var(--color-accent-light); margin-left: 2px; }
.a-body .gone { color: var(--color-faint); }
.cites { list-style: none; margin: 0; padding: 12px 20px 20px; display: grid; gap: 8px; }
.cites li { display: grid; grid-template-columns: 22px 1fr auto; gap: 12px; align-items: baseline; font-size: 12.5px; padding: 10px 12px; border: 1px solid var(--color-border-subtle); background: var(--color-surface-well); }
.cites .n { color: var(--color-accent-light); }
.cites .path { color: #fff; overflow-wrap: anywhere; }
.cites .st { font-size: 11px; letter-spacing: var(--tracking-caps-narrow); text-transform: uppercase; color: var(--color-success); white-space: nowrap; }
.cites .st.sup { color: var(--color-warning); }

/* Workers */
.workers { margin-top: 48px; border-top: 1px solid var(--color-border-default); }
.worker { display: grid; grid-template-columns: minmax(180px, 3fr) 5fr 3fr; gap: 24px; padding: 24px 0; border-bottom: 1px solid var(--color-border-default); align-items: baseline; transition: background var(--duration-base); }
.worker h3 { font-size: 17px; letter-spacing: var(--tracking-heading); }
.worker p { font-size: 15px; color: rgba(255,255,255,.7); line-height: 1.6; }
.worker .io { font-family: var(--font-mono); font-size: 12px; letter-spacing: .04em; color: var(--color-faint); }
.worker .io { display: inline-flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.worker .io svg { width: 14px; height: 14px; flex: none; }
.worker .io em { font-style: normal; color: var(--color-accent-light); }
.workers-note { margin-top: 20px; font-size: 14px; color: var(--color-faint); max-width: 70ch; }

/* Trust */
.trust { display: grid; grid-template-columns: 6fr 6fr; gap: clamp(32px, 5vw, 72px); align-items: start; }
.history { margin-top: 36px; font-family: var(--font-mono); }
.hist { list-style: none; margin: 0; padding: 8px 0; }
.hist li { display: grid; grid-template-columns: 58px 1fr auto; gap: 14px; align-items: baseline; padding: 11px 18px; font-size: 12.5px; border-bottom: 1px dashed var(--color-border-subtle); }
.hist li:last-child { border-bottom: 0; }
.hist .when { color: var(--color-faint); }
.hist .what { color: #fff; overflow-wrap: anywhere; }
.hist .st { font-size: 11px; letter-spacing: var(--tracking-caps-narrow); text-transform: uppercase; padding: 3px 8px; border: 1px solid var(--color-border-default); color: var(--color-text-secondary); white-space: nowrap; }
.hist .st.a { border-color: rgba(52,211,153,.5); color: var(--color-success); }
.hist .st.s { border-color: rgba(251,191,36,.45); color: var(--color-warning); }
.principles { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--color-border-default); }
.principles li { padding: 28px 0 30px; border-bottom: 1px solid var(--color-border-default); }
.principles h3 { font-size: clamp(17px, 1.6vw, 20px); letter-spacing: .08em; line-height: 1.3; }
.principles p { margin-top: 12px; font-size: 15.5px; line-height: 1.65; color: rgba(255,255,255,.7); max-width: 56ch; }

/* Proof */
.proof { display: grid; grid-template-columns: 7fr 5fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.proof .intro { max-width: 58ch; }
.proof ul { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 12px; }
.proof li { display: flex; gap: 14px; align-items: baseline; font-size: 15px; color: rgba(255,255,255,.8); }
.proof li .dot { transform: translateY(-2px); }
.proof li .dot.next { background: var(--color-accent); box-shadow: 0 0 8px rgba(44,97,210,.9); }
.proof .deep { margin-top: 32px; }
.mark { aspect-ratio: 1; width: 100%; max-width: 420px; justify-self: end; }
.mark canvas { width: 100%; height: 100%; }

/* Close */
.close { padding: clamp(80px, 11vw, 160px) 0; border-top: 1px solid var(--color-border-subtle); text-align: center; background: radial-gradient(ellipse 60% 70% at 50% 100%, rgba(44,97,210,.16), transparent 70%); }
.close h2 { font-size: var(--text-h1); line-height: 1.1; letter-spacing: .06em; margin: 0 auto; max-width: 30ch; }
.close p { margin: 22px auto 0; font-size: 17px; color: rgba(255,255,255,.7); max-width: 52ch; }
.close .actions { margin-top: 40px; display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; }

footer { border-top: 1px solid var(--color-border-subtle); padding: 32px 0 40px; }
.foot-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 32px; font-family: var(--font-mono); font-size: 12px; letter-spacing: var(--tracking-caps-narrow); text-transform: uppercase; color: var(--color-faint); }
.foot-row img { height: 20px; width: auto; }
.foot-row nav { display: flex; gap: 24px; flex-wrap: wrap; }
.foot-row a { text-decoration: none; color: var(--color-text-secondary); }
.foot-row a:hover { color: #fff; }



/* Demo */
.demo { margin-top: 48px; display: grid; grid-template-columns: 5fr 7fr; gap: clamp(24px, 3vw, 40px); align-items: start; }
.demo-pick { display: grid; gap: 10px; }
.pick { text-align: left; font-family: var(--font-body); font-size: 15px; line-height: 1.5; color: rgba(255,255,255,.82); background: var(--color-surface-well); border: 1px solid var(--color-border-default); padding: 14px 16px; cursor: pointer; transition: border-color var(--duration-fast), box-shadow var(--duration-fast), color var(--duration-fast); }
.pick .src { display: block; font-family: var(--font-mono); font-size: 12px; letter-spacing: .04em; color: var(--color-faint); margin-bottom: 6px; }
.pick:hover { border-color: #4a4a50; color: #fff; }
.pick[aria-pressed="true"] { border-color: var(--color-accent); color: #fff; box-shadow: var(--shadow-card-hover); }
.pick:focus-visible, .ask-q:focus-visible { outline: var(--focus-ring-width) solid var(--focus-ring-color); outline-offset: var(--focus-ring-offset); }
.demo .run { margin-top: 6px; justify-self: start; }
.demo .run[aria-disabled="true"] { opacity: .6; cursor: progress; }
.checks li b.fail { color: var(--color-error); }
.checks li.ok b.esc, .checks li b.esc { color: var(--color-warning); }
.stamp.dup { color: var(--color-accent-light); }
.stamp.dup::before { background: var(--color-accent-light); }
.stamp.rej { color: var(--color-error); }
.stamp.rej::before { background: var(--color-error); }
.stamp.esc { color: var(--color-warning); }
.stamp.esc::before { background: var(--color-warning); }
.ask-demo { margin-top: 40px; display: grid; grid-template-columns: 5fr 7fr; gap: clamp(24px, 3vw, 40px); align-items: start; }
.asks { display: grid; gap: 10px; }
.ask-q { text-align: left; font-family: var(--font-mono); font-size: 13px; letter-spacing: .02em; color: rgba(255,255,255,.82); background: transparent; border: 1px solid var(--color-border-default); padding: 12px 14px; cursor: pointer; display: flex; gap: 10px; align-items: center; transition: border-color var(--duration-fast), color var(--duration-fast); }
.ask-q:hover { border-color: #4a4a50; color: #fff; }
.ask-q[aria-pressed="true"] { border-color: var(--color-accent); color: #fff; }
.a-body .none { color: var(--color-warning); }

#q-text.ph { color: var(--color-faint); }
.ask-q .try { margin-left: auto; font-size: 11px; letter-spacing: var(--tracking-caps-narrow); text-transform: uppercase; color: var(--color-accent-light); white-space: nowrap; }
.hist .by { display: block; margin-top: 3px; font-size: 11.5px; color: var(--color-faint); }
.close .mail { margin-top: 18px; font-family: var(--font-mono); font-size: 13px; color: var(--color-text-secondary); }
.close .mail a { color: #fff; }

/* Architecture diagram (from The Brain in Layers, adapted) */
:root { --iso-hl: rgba(44,97,210,.42); --iso-line: #3d5aa0; --iso-side: #0a0a0d; --iso-side2: #0e0e12; --iso-top: #121216; --sacc: #2C61D2; --sarrow: #55555c; --sdash: #3a3a40; --line2: #343434; --acc: #2C61D2; --acc-txt: #b5d2ff; --faint: #838385; }
.iso-wrap { margin: 40px auto 8px; max-width: 980px; }
.iso { display: block; width: 100%; height: auto; }
.iso a { cursor: pointer; }
.iso-name { font: 500 13px var(--font-display); letter-spacing: .13em; fill: var(--acc-txt); }
.iso-sub { font: 400 10.5px var(--font-mono); letter-spacing: .04em; fill: var(--faint); }
.iso-rail { font: 500 10px var(--font-display); letter-spacing: .16em; fill: var(--faint); }
.iso a:hover .iso-top, .iso a:focus-visible .iso-top { stroke: var(--acc); stroke-width: 2; filter: drop-shadow(0 0 14px rgba(44,97,210,.5)); }
.iso a:hover .iso-name { fill: #fff; }
svg.iso-m { display: none; width: 100%; max-width: 380px; height: auto; margin: 0 auto; }
.layer .lnum { font-family: var(--font-mono); font-size: 12px; color: var(--color-faint); }
@media (max-width: 720px) { svg.iso.d-wide { display: none; } svg.iso-m { display: block; } }

/* Architecture */
.layers-frame { margin-top: 48px; border: 1px solid var(--color-border-default); padding: 0 clamp(18px, 2.5vw, 32px); }
.layers { list-style: none; margin: 0; padding: 0; }
.layer { display: grid; grid-template-columns: 170px 1fr 260px; gap: 28px; padding: 26px 0; border-bottom: 1px solid var(--color-border-subtle); align-items: start; }
.layer:last-child { border-bottom: 0; }
.layer h3 { font-size: 18px; letter-spacing: var(--tracking-heading); color: #fff; display: flex; gap: 12px; align-items: center; }
.layer h3::before { content: ""; width: 10px; height: 10px; background: var(--cell-on); flex: none; }
.layer.gate h3::before { background: var(--cell-hi); box-shadow: var(--shadow-glow-cell); }
.layer.loop h3::before { background: var(--cell-hi); }
.layer p { font-size: 15px; line-height: 1.65; color: rgba(255,255,255,.7); max-width: 62ch; }
.layer p strong { color: #fff; font-weight: 500; }
.layer h3 .state { grid-column: 2; justify-self: start; font-size: 11px; letter-spacing: var(--tracking-caps-narrow); padding: 3px 7px; border: 1px solid var(--color-border-default); color: var(--color-text-secondary); white-space: nowrap; }
.layer h3 .state.live { border-color: rgba(52,211,153,.5); color: var(--color-success); }
.layer h3 { display: grid; grid-template-columns: 10px auto auto; column-gap: 10px; align-items: center; justify-content: start; }
.tech { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; align-content: flex-start; }
.tech li { font-family: var(--font-mono); font-size: 12px; color: var(--color-text-secondary); padding: 4px 8px; border: 1px solid var(--color-border-subtle); background: var(--color-surface-well); }
.planes { margin-top: 40px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--color-accent); }
.plane { padding: 24px 24px 4px 0; }
.plane + .plane { padding-left: 24px; border-left: 1px solid var(--color-border-subtle); }
.plane h3 { font-size: 15px; letter-spacing: var(--tracking-caps-narrow); color: var(--color-accent-light); }
.plane p { margin-top: 10px; font-size: 14.5px; line-height: 1.6; color: rgba(255,255,255,.68); }

@media (max-width: 960px) {
  .demo, .ask-demo { grid-template-columns: 1fr; }
  .layer { grid-template-columns: 1fr; gap: 12px; }
  .layers-frame { padding: 0 18px; }
  .planes { grid-template-columns: 1fr; }
  .plane, .plane + .plane { padding: 20px 0 4px; border-left: 0; border-top: 1px solid var(--color-border-subtle); }
}

/* Responsive */
@media (max-width: 1100px) {
  .leak { grid-template-columns: 1fr; }
  .pipe { grid-template-columns: repeat(3, 1fr); }
  .stage { border-bottom: 1px solid var(--color-border-default); }
  .stage:nth-child(3n) { border-right: 0; }
  .stage:nth-child(n+4) { border-bottom: 0; }
}
@media (max-width: 960px) {
  .hero-grid, .leak, .ask, .proof, .trust { grid-template-columns: 1fr; }
  .nav-links a:not(.btn) { display: none; }
  .mark { justify-self: start; max-width: 280px; }
  .worker { grid-template-columns: 1fr; gap: 8px; }
}
@media (max-width: 640px) {
  .sec h2 { font-size: 23px; letter-spacing: 0.05em; }
  .close h2 { font-size: 26px; }
  .pipe { grid-template-columns: 1fr; }
  .stage { border-right: 0; }
  .hist li { grid-template-columns: 1fr auto; }
  .hist .when { grid-column: 1 / -1; }
  .leaks li { grid-template-columns: 1fr; gap: 6px; }
  .step { grid-template-columns: 1fr; gap: 8px; padding: 14px; }
  .brand .prod { display: none; }
  .hero .foot { align-items: flex-start; }
  .hero .foot .dot { margin-top: 4px; }
  .cites li { grid-template-columns: 22px 1fr; }
  .cites .st { grid-column: 2; }
  .hero .actions .btn, .close .actions .btn { width: 100%; }
  .btn { padding: 0 20px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .q-line .caret { animation: none; }
}

/* Fix round 1 */
.hero .actions .btn { padding: 0 20px; letter-spacing: var(--tracking-caps-narrow); }
@media (max-width: 960px) {
  .field { opacity: .45; -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 55%, transparent 100%); mask-image: linear-gradient(180deg, transparent 0%, #000 55%, transparent 100%); }
}