/* Deft site, v2. Direction: Technical Precision, read as an inspection instrument.
   One accent: process cyan. Purple lives only inside the slop specimen. */

:root {
  --bg: #f4f6f8;
  --panel: #e9eef2;
  --ink: #14181d;
  --muted: #56626e;
  --line: #cfd7de;
  --accent: #00a3d9;
  --accent-ink: #006f94;
  --tint: #e2f3f9;
  --night: #0e1216;
  --night-2: #161c22;
  --on-night: #eef2f5;
  --on-night-muted: #9aa7b2;

  --f-head: "Martian Mono", ui-monospace, Menlo, monospace;
  --f-body: "Hanken Grotesk", system-ui, sans-serif;
  --f-mono: "Martian Mono", ui-monospace, Menlo, monospace;

  --ease: cubic-bezier(0.32, 0.72, 0, 1);
  --shadow: 0 1px 0 rgba(20, 24, 29, 0.04), 0 18px 40px -22px rgba(20, 40, 60, 0.35);
  --radius: 6px;
  --gutter: clamp(20px, 5vw, 80px);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--f-body); font-size: 1.125rem; line-height: 1.6;
  overflow-x: hidden;
}
h1, h2, h3 { font-family: var(--f-head); font-stretch: 75%; margin: 0; line-height: 1.05; letter-spacing: -0.02em; }
p { margin: 0; }
a { color: inherit; }
code { font-family: var(--f-mono); font-size: 0.82em; font-stretch: 87.5%; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 60; background: var(--ink); color: var(--bg); padding: 10px 14px; }
.skip:focus { top: 12px; }

/* ---------- Ruler: page depth as a measurement ---------- */
.ruler {
  position: fixed; left: 0; top: 0; bottom: 0; width: 22px; z-index: 30; pointer-events: none;
  border-right: 1px solid var(--line); background:
    repeating-linear-gradient(to bottom, var(--muted) 0 1px, transparent 1px 40px) right 0 top 0 / 12px 100% no-repeat,
    repeating-linear-gradient(to bottom, var(--line) 0 1px, transparent 1px 8px) right 0 top 0 / 6px 100% no-repeat,
    rgba(244, 246, 248, 0.86);
}
.ruler__mark { position: absolute; left: 0; right: -6px; top: 0; height: 2px; background: var(--accent); will-change: transform; }
.ruler__read {
  display: none; position: absolute; left: 28px; top: 0; font-family: var(--f-mono); font-size: 0.7rem; color: var(--accent-ink);
  background: var(--bg); padding: 1px 5px; border: 1px solid var(--line); will-change: transform; white-space: nowrap;
}

/* ---------- Nav ---------- */
.nav {
  position: relative; z-index: 20; display: flex; align-items: center; gap: 24px;
  min-height: 64px; padding: 10px var(--gutter); border-bottom: 1px solid var(--line); background: var(--bg);
}
.brand {
  display: inline-flex; align-items: center; gap: 9px; text-decoration: none;
  font-family: var(--f-head); font-weight: 800; font-size: 1.3rem; letter-spacing: -0.04em; font-stretch: 75%;
}
.brand__lens {
  width: 20px; height: 20px; border-radius: 50%; border: 2px solid var(--ink);
  background: radial-gradient(circle at 35% 35%, #fff 0 18%, var(--tint) 30%, var(--accent) 100%);
}
.nav nav { flex: 1; }
.nav ul { display: flex; gap: 26px; list-style: none; margin: 0 0 0 28px; padding: 0; }
.nav ul a {
  display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; font-weight: 500; font-size: 1rem;
  background: linear-gradient(var(--accent), var(--accent)) 0 calc(100% - 10px) / 0 2px no-repeat;
  transition: background-size 220ms var(--ease);
}
.nav ul a:hover { background-size: 100% 2px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px; min-height: 52px; padding: 14px 22px;
  font-family: var(--f-body); font-weight: 600; font-size: 1.05rem; text-decoration: none;
  color: var(--ink); background: var(--accent); border-radius: var(--radius);
  box-shadow: 0 10px 24px -12px rgba(0, 120, 170, 0.6);
  transition: transform 160ms var(--ease), background-color 160ms var(--ease);
}
.btn:hover { background: #12b4e8; }
.btn:active { transform: scale(0.98); }
.btn svg { width: 17px; height: 17px; }
.btn--sm { min-height: 44px; padding: 9px 16px; font-size: 0.95rem; }
.btn--light { background: var(--accent); }

.install { display: inline-flex; align-items: stretch; max-width: 100%; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; overflow: hidden; }
.install code { display: flex; align-items: center; padding: 12px 14px; font-size: 0.78rem; white-space: nowrap; overflow-x: auto; min-width: 0; scrollbar-width: none; }
.install code::-webkit-scrollbar { display: none; }
.install code::before { content: "$"; color: var(--accent-ink); margin-right: 10px; }
.install button {
  font-family: var(--f-body); font-weight: 600; font-size: 0.95rem; cursor: pointer;
  border: 0; border-left: 1px solid var(--line); background: var(--panel); color: var(--ink); min-width: 74px; min-height: 48px; padding: 0 16px;
}
.install button:hover { background: var(--tint); }
.install--dark { background: var(--night-2); border-color: #2a333c; color: var(--on-night); }
.install--dark code::before { color: var(--accent); }
.install--dark button { background: #222b33; color: var(--on-night); border-left-color: #2a333c; }
.install--dark button:hover { background: #2b3640; }
.install-wrap { min-width: 0; max-width: 100%; }
.copied { min-height: 1.5em; margin-top: 6px; font-size: 0.95rem; color: var(--muted); }

.cta { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 14px 18px; margin-top: 28px; }
.cta--center { justify-content: center; }

/* ---------- Hero: pinned stage, loupe canvas ---------- */
.hero { position: relative; height: 185vh; margin-top: -65px; }
.hero__stage { position: sticky; top: 0; height: 100vh; height: 100dvh; overflow: hidden; background: #7c6cf2; }
.hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; touch-action: pan-y; cursor: none; }
.no-loupe .hero__canvas { cursor: default; }
.hero__tag {
  position: absolute; right: var(--gutter); bottom: clamp(20px, 5vh, 48px); z-index: 3;
  font-family: var(--f-mono); font-size: 0.72rem; color: var(--ink); background: rgba(244, 246, 248, 0.92);
  border: 1px solid var(--line); padding: 5px 10px; border-radius: 4px;
}
.hero__hint {
  position: absolute; left: 0; top: 0; z-index: 3; pointer-events: none;
  font-family: var(--f-mono); font-size: 0.72rem; color: var(--ink); background: rgba(244, 246, 248, 0.95);
  border: 1px solid var(--accent); padding: 5px 10px; border-radius: 4px; white-space: nowrap;
  opacity: 0; transition: opacity 300ms var(--ease); will-change: transform;
}
.hero__hint.on { opacity: 1; }

.slip {
  position: absolute; z-index: 4; left: var(--gutter); bottom: clamp(20px, 5vh, 48px);
  width: min(600px, calc(100% - 2 * var(--gutter)));
  background: var(--bg); border: 0; border-top: 3px solid var(--accent); border-radius: var(--radius);
  padding: clamp(20px, 2.4vw, 32px); box-shadow: 0 30px 60px -30px rgba(10, 20, 40, 0.55);
}
.slip h1 { font-weight: 800; font-size: clamp(1.8rem, 2.9vw, 2.7rem); line-height: 1.04; letter-spacing: -0.035em; text-wrap: balance; }
.slip__sub { margin-top: 14px; font-size: clamp(1.02rem, 1.15vw, 1.1rem); color: #2a323b; max-width: 34rem; }
.slip .cta { margin-top: 22px; }
.slip__note { margin-top: 4px; font-size: 0.95rem; color: var(--muted); }

/* staggered cascade, once */
.js .cascade > * { opacity: 0; transform: translateY(12px); }
.js.ready .cascade > * { opacity: 1; transform: none; transition: opacity 420ms var(--ease), transform 520ms var(--ease); }
.js.ready .cascade > :nth-child(2) { transition-delay: 150ms; }
.js.ready .cascade > :nth-child(3) { transition-delay: 300ms; }
.js.ready .cascade > :nth-child(4) { transition-delay: 380ms; }

/* ---------- Sections ---------- */
.sec { position: relative; padding: clamp(88px, 13vh, 150px) 0; border-top: 1px solid var(--line); }
.wrap { padding: 0 var(--gutter); max-width: 1320px; }
.h2 { font-weight: 800; font-size: clamp(1.9rem, 3.6vw, 3.4rem); line-height: 1.04; letter-spacing: -0.035em; max-width: 20ch; text-wrap: balance; }
.lead { margin-top: 20px; max-width: 38rem; font-size: 1.2rem; color: #2a323b; }
.aside { margin-top: 40px; color: var(--muted); max-width: 40rem; }
.muted { color: var(--muted); }
.tag { font-family: var(--f-mono); font-size: 0.8rem; color: var(--muted); }
.more {
  display: inline-flex; align-items: center; min-height: 44px; margin-top: 32px;
  font-weight: 600; text-decoration: none; border-bottom: 2px solid var(--accent);
}
.more:hover { color: var(--accent-ink); }

/* Problem: inspection with leader lines */
.problem { background: var(--bg); }
.inspect {
  margin: 64px 0 0; padding: 0 var(--gutter);
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.7fr) minmax(0, 1fr); gap: 0 40px; align-items: center;
}
.inspect .tag { grid-column: 2; margin-top: 14px; }
.inspect__notes { list-style: none; padding: 0; margin: 0; display: grid; gap: 64px; }
.inspect__notes li { position: relative; }
.inspect__notes b { display: block; font-family: var(--f-head); font-stretch: 75%; font-weight: 700; font-size: 1.12rem; letter-spacing: -0.02em; }
.inspect__notes li::before {
  content: attr(data-n); display: inline-grid; place-items: center; width: 28px; height: 28px; margin-bottom: 10px;
  border-radius: 50%; border: 2px solid var(--accent); color: var(--accent-ink); font-family: var(--f-mono); font-size: 0.8rem; font-weight: 700;
}
.inspect__notes span { display: block; margin-top: 6px; color: var(--muted); font-size: 1.02rem; }
.inspect__notes--l li::after, .inspect__notes--r li::after {
  content: ""; position: absolute; top: 14px; height: 1px; width: 40px; background: var(--accent);
}
.inspect__notes--l { text-align: right; }
.inspect__notes--l li::after { right: -40px; }
.inspect__notes--r li::after { left: -40px; }

.mock { position: relative; background: #f8fafc; border: 0; border-radius: 10px; box-shadow: var(--shadow); font-family: Arial, Helvetica, sans-serif; }
.mock__nav { display: flex; align-items: center; gap: 16px; padding: 13px 18px; }
.mock__nav span { width: 42px; height: 7px; border-radius: 4px; background: #cbd5e1; }
.mock__nav .mock__logo { width: 70px; height: 13px; background: #94a3b8; margin-right: auto; }
.mock__nav .mock__pill { width: 72px; height: 24px; border-radius: 12px; background: #8b5cf6; }
.mock__hero { position: relative; text-align: center; padding: 50px 20px 46px; background: linear-gradient(120deg, #8b5cf6, #3b82f6); color: #fff; }
.mock__h { font-weight: 700; font-size: clamp(1.5rem, 3vw, 2.4rem); line-height: 1.1; }
.mock__line { display: block; height: 8px; width: 50%; margin: 16px auto 0; border-radius: 4px; background: rgba(255,255,255,.65); }
.mock__line--s { width: 36%; margin-top: 8px; }
.mock__btn { display: inline-block; margin-top: 22px; padding: 10px 24px; border-radius: 999px; background: #fff; color: #6d28d9; font-weight: 700; font-size: 0.92rem; }
.mock__cards { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; padding: 22px 18px 10px; }
.mock__cards div { background: #fff; border: 1px solid #e2e8f0; border-radius: 12px; padding: 16px; }
.mock__cards b { display: block; width: 34px; height: 34px; margin-bottom: 12px; border-radius: 9px; background: linear-gradient(135deg, #8b5cf6, #3b82f6); }
.mock__cards span { display: block; height: 7px; margin-top: 8px; border-radius: 4px; background: #cbd5e1; }
.mock__cards span:first-of-type { width: 70%; height: 9px; background: #334155; }
.mock__proof { position: relative; text-align: center; padding: 18px 18px 24px; color: #475569; font-size: 0.9rem; }
.mock__proof span { display: inline-block; width: 60px; height: 13px; margin: 10px 7px 0; border-radius: 7px; background: #cbd5e1; }
.ring {
  position: absolute; display: grid; place-items: center; width: 64px; height: 64px; border-radius: 50%;
  border: 2px solid var(--accent); box-shadow: 0 0 0 4px rgba(0, 163, 217, 0.18), inset 0 0 0 1px rgba(255,255,255,.6);
  font-family: var(--f-mono); font-style: normal; font-size: 0.78rem; font-weight: 700; color: var(--ink);
  background: radial-gradient(circle, rgba(244,246,248,0.0) 50%, rgba(226,243,249,0.75) 100%);
}
.ring--1 { left: 18%; top: 34px; }
.ring--2 { right: 22px; top: 18px; }
.ring--3 { left: calc(50% - 32px); top: 6px; }
.ring--4 { right: 24%; top: 2px; }
.kicker { margin-top: 72px; font-family: var(--f-head); font-stretch: 75%; font-weight: 800; letter-spacing: -0.03em; font-size: clamp(1.4rem, 2.4vw, 2.1rem); line-height: 1.15; max-width: 26ch; }

/* Proof: inspection report ledger */
.proof { background: var(--panel); }
.report { margin-top: 56px; border-top: 1px solid var(--ink); }
.row {
  display: grid; grid-template-columns: 90px minmax(0, 0.8fr) minmax(0, 1.6fr); gap: 12px 40px;
  padding: 30px var(--gutter); border-bottom: 1px solid var(--line); background: var(--bg);
}
.row:nth-child(even) { background: #f7f9fa; }
.row__id { font-family: var(--f-mono); font-size: 0.85rem; color: var(--accent-ink); padding-top: 4px; }
.row h3 { font-weight: 700; font-size: 1.25rem; letter-spacing: -0.02em; }
.row__body p + p { margin-top: 10px; }
.row__body b { font-weight: 600; }
.lost { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.lost s { text-decoration-color: var(--accent); text-decoration-thickness: 2px; color: var(--muted); }
.lost span { display: block; font-size: 0.95rem; color: var(--accent-ink); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips span {
  font-family: var(--f-mono); font-size: 0.78rem; padding: 32px 8px 6px; min-width: 96px; border: 1px solid var(--line); border-radius: 4px;
  background: linear-gradient(var(--c) 0 24px, #fff 24px);
}

/* How: pipeline, edge to edge */
.how { background: var(--bg); overflow: clip; }
.pipe { position: relative; margin-top: 72px; }
.pipe::before { content: ""; position: absolute; left: 0; right: 0; top: 36px; height: 2px; background: var(--ink); }
.pipe__track { position: absolute; left: 0; right: 0; top: 36px; height: 0; }
.pipe__track span {
  position: absolute; top: 0; transform: translateY(-50%); font-family: var(--f-mono); font-size: 0.8rem; padding: 6px 10px; border-radius: 4px;
}
.pipe__in { left: var(--gutter); background: linear-gradient(120deg, #8b5cf6, #3b82f6); color: #fff; }
.pipe__out { right: var(--gutter); background: var(--ink); color: var(--bg); box-shadow: 0 0 0 2px var(--accent); }
.gates {
  list-style: none; margin: 0; padding: 0 calc(var(--gutter) + 110px); display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 48px; counter-reset: g;
}
.gates li { position: relative; padding-top: 104px; counter-increment: g; }
.gate {
  position: absolute; left: 0; top: 0; width: 28px; height: 72px; background: var(--bg);
  border: 2px solid var(--ink); border-radius: 3px;
}
.gate::before { content: ""; position: absolute; left: 50%; top: 6px; bottom: 6px; width: 2px; transform: translateX(-50%); background: var(--accent); }
.gates h3 { font-weight: 800; font-size: clamp(1.6rem, 2.4vw, 2.2rem); letter-spacing: -0.03em; }
.gates h3::before { content: "gate " counter(g) " · "; font-size: 0.45em; font-weight: 500; color: var(--accent-ink); letter-spacing: 0; vertical-align: middle; }
.gates p { margin-top: 10px; max-width: 26rem; transition: color 300ms var(--ease); }
.gate { transition: background-color 300ms var(--ease), border-color 300ms var(--ease); }
.gates li.passed .gate { background: var(--accent); border-color: var(--accent-ink); }
.gates li.passed .gate::before { background: var(--bg); }
.gates li.active h3 { color: var(--accent-ink); }
.pipe.moving .gates li:not(.passed):not(.active) p { color: var(--muted); }

/* the page that travels the pipeline */
.js .how.scrub { height: 260vh; padding: 0; }
.js .how.scrub .how__pin { position: sticky; top: 0; min-height: 100vh; min-height: 100dvh; padding: clamp(72px, 11vh, 120px) 0 48px; display: flex; flex-direction: column; justify-content: center; }
.js .how.scrub .pipe { margin-top: 64px; }
.token {
  position: absolute; left: 0; top: 36px; z-index: 2; width: 132px; height: 92px; margin: -46px 0 0 -66px;
  border-radius: 8px; overflow: hidden; will-change: transform;
  background: linear-gradient(135deg, #8b5cf6, #3b82f6);
  box-shadow: 0 18px 30px -16px rgba(20, 30, 60, 0.6);
  transition: background 400ms var(--ease), box-shadow 400ms var(--ease), border-radius 400ms var(--ease);
  display: none;
}
.js .how.travel .token { display: block; }
.js .how.scrub .token { scale: 1.45; }
.token span, .token i { position: absolute; display: block; transition: all 400ms var(--ease); }
.token__bar { left: 0; right: 0; top: 0; height: 12px; background: rgba(255,255,255,0.18); }
.token__h { left: 22px; right: 22px; top: 22px; height: 9px; border-radius: 4px; background: #fff; }
.token__l { left: 30px; right: 30px; top: 37px; height: 4px; border-radius: 2px; background: rgba(255,255,255,0.7); }
.token__l--s { left: 40px; right: 40px; top: 45px; }
.token__btn { left: 48px; right: 48px; top: 54px; height: 9px; border-radius: 5px; background: #fff; }
.token__cards { left: 10px; right: 10px; top: 70px; height: 16px; display: flex !important; gap: 5px; position: absolute; }
.token__cards i { position: static !important; flex: 1; border-radius: 3px; background: rgba(255,255,255,0.92); }
.token__brief, .token__pass {
  font-family: var(--f-mono); font-size: 9px; line-height: 1; padding: 3px 5px; border-radius: 3px; opacity: 0; transform: scale(0.6);
}
.token__brief { right: 5px; top: 15px; background: var(--tint); color: var(--accent-ink); border: 1px solid var(--accent); }
.token__pass { right: 5px; bottom: 5px; background: var(--accent); color: var(--ink); font-weight: 700; }
/* stage 1: the brief is attached */
.token.s1 .token__brief { opacity: 1; transform: none; }
/* stage 2: committed palette and layout */
.token.s2 { background: #f4f6f8; border-radius: 4px; box-shadow: 0 0 0 1.5px var(--ink), 0 18px 30px -16px rgba(20, 30, 60, 0.5); }
.token.s2 .token__bar { background: transparent; border-bottom: 1px solid var(--line); }
.token.s2 .token__h { right: 44px; left: 10px; height: 11px; background: var(--ink); border-radius: 1px; }
.token.s2 .token__l { left: 10px; right: 54px; background: var(--muted); }
.token.s2 .token__l--s { left: 10px; right: 70px; }
.token.s2 .token__btn { left: 10px; right: 78px; border-radius: 2px; background: var(--ink); }
.token.s2 .token__cards { left: 10px; right: 10px; }
.token.s2 .token__cards i { background: transparent; border-top: 1.5px solid var(--ink); border-radius: 0; }
.token.s2 .token__cards i:nth-child(2) { flex: 0.4; }
/* stage 3: passed */
.token.s3 { box-shadow: 0 0 0 2px var(--accent), 0 0 0 7px rgba(0, 163, 217, 0.18), 0 18px 30px -16px rgba(20, 30, 60, 0.5); }
.token.s3 .token__pass { opacity: 1; transform: none; }

/* readout: needle and check codes */
.needle {
  position: absolute; left: 0; top: -10px; width: 2px; height: 48px; background: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 163, 217, 0.18); transform-origin: 50% 100%; will-change: transform;
}
.needle::after { content: ""; position: absolute; left: -5px; bottom: -6px; width: 12px; height: 12px; border-radius: 50%; background: var(--accent); }
.readout__code { margin: 44px 0 0 var(--gutter); font-family: var(--f-mono); font-size: 0.85rem; color: var(--accent-ink); min-height: 1.4em; }

/* Rules: readout */
.rules { background: var(--panel); }
.rules__grid { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 40px 64px; align-items: start; padding-right: var(--gutter); }
.readout__num {
  font-family: var(--f-head); font-weight: 800; font-stretch: 75%; letter-spacing: -0.08em; line-height: 0.8;
  font-size: clamp(9rem, 26vw, 24rem); color: var(--ink); padding-left: calc(var(--gutter) - 0.05em);
}
.readout__ticks {
  position: relative; display: block; height: 28px; margin: 18px 0 0 var(--gutter);
  background:
    repeating-linear-gradient(to right, var(--ink) 0 2px, transparent 2px 40px) 0 0 / 100% 28px no-repeat,
    repeating-linear-gradient(to right, var(--muted) 0 1px, transparent 1px 8px) 0 14px / 100% 14px no-repeat;
}

.spec { padding-top: 16px; }
.spec dl { margin: 40px 0 0; }
.spec dl > div { display: grid; grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr); gap: 8px 28px; padding: 20px 0; border-top: 1px solid var(--line); }
.spec dl > div:last-child { border-bottom: 1px solid var(--line); }
.spec dt { font-family: var(--f-head); font-stretch: 75%; font-weight: 700; font-size: 1.1rem; letter-spacing: -0.02em; }
.spec dd { margin: 0; }
.spec code { background: var(--tint); color: var(--accent-ink); padding: 1px 6px; border-radius: 3px; }

/* Works with */
.agents { margin-top: 48px; border-collapse: collapse; width: 100%; max-width: 820px; }
.agents th, .agents td { text-align: left; padding: 18px 0; border-bottom: 1px solid var(--line); vertical-align: baseline; }
.agents tr:first-child th, .agents tr:first-child td { border-top: 1px solid var(--ink); }
.agents th { font-family: var(--f-head); font-stretch: 75%; font-weight: 700; font-size: 1.15rem; width: 34%; padding-right: 24px; }

/* FAQ */
.faq { background: var(--bg); }
.qa { margin: 56px 0 0; max-width: 1080px; }
.qa > div { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 10px 56px; padding: 24px 0; border-top: 1px solid var(--line); }
.qa > div:last-child { border-bottom: 1px solid var(--line); }
.qa dt { font-family: var(--f-head); font-stretch: 75%; font-weight: 700; font-size: 1.12rem; line-height: 1.3; }
.qa dd { margin: 0; }

/* Final: inside the lens */
.final {
  position: relative; overflow: hidden; background: var(--night); color: var(--on-night);
  padding: clamp(80px, 12vh, 140px) var(--gutter); display: grid; place-items: center; min-height: 100dvh;
}
.final::before {
  content: ""; position: absolute; left: 50%; top: 50%; width: min(140vw, 1500px); aspect-ratio: 1; transform: translate(-50%, -50%);
  background: repeating-radial-gradient(circle, rgba(255,255,255,0.035) 0 1px, transparent 1px 28px);
}
.final__lens {
  position: relative; width: min(860px, 92vw); aspect-ratio: 1; border-radius: 50%;
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: clamp(28px, 9vw, 120px);
  min-width: 0;
  background: radial-gradient(circle at 50% 45%, #1b232b 0%, #121820 62%, #0d1217 100%);
  box-shadow:
    0 0 0 2px var(--accent), 0 0 0 10px rgba(0, 163, 217, 0.12),
    inset 0 0 80px rgba(0, 163, 217, 0.16), inset 0 -40px 80px rgba(0,0,0,0.5), 0 40px 120px -40px rgba(0, 163, 217, 0.45);
}
.final__lens > * { max-width: 100%; min-width: 0; }
.final__lens::after {
  content: ""; position: absolute; left: 16%; top: 9%; width: 30%; height: 16%; border-radius: 50%;
  background: radial-gradient(ellipse, rgba(255,255,255,0.22), transparent 70%); transform: rotate(-24deg); pointer-events: none;
}
.final h2 { font-weight: 800; font-size: clamp(1.9rem, 4vw, 3.6rem); line-height: 1.04; letter-spacing: -0.035em; text-wrap: balance; }
.final__line { margin-top: 18px; color: var(--on-night-muted); font-size: 1.15rem; }
.final__line code { color: var(--accent); }
.final .copied { color: var(--on-night-muted); text-align: left; }
.final__risk { margin-top: 8px; color: var(--on-night-muted); font-size: 1rem; }

/* Footer */
.foot { padding: 36px var(--gutter) 44px; border-top: 1px solid var(--line); background: var(--bg); }
.foot__row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 32px; }
.foot ul { display: flex; flex-wrap: wrap; gap: 0 24px; list-style: none; margin: 0; padding: 0; }
.foot ul a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; font-weight: 500; }
.foot ul a:hover { text-decoration: underline; text-decoration-color: var(--accent); text-decoration-thickness: 2px; }
.foot__small { margin-top: 10px; color: var(--muted); font-size: 1rem; }
.foot__small a { display: inline-block; min-height: 44px; line-height: 44px; }

/* ---------- Responsive ---------- */
@media (max-width: 1000px) {
  .inspect { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .inspect .tag { grid-column: 1; margin-top: -16px; }
  .inspect__notes { grid-template-columns: 1fr 1fr; gap: 24px; text-align: left !important; }
  .inspect__notes li::after { display: none; }
  .inspect__notes--r { order: 3; }
  .pipe { margin-top: 56px; }
  .pipe::before { left: calc(var(--gutter) + 13px); right: auto; top: 0; bottom: 0; width: 2px; height: auto; }
  .pipe__track { display: none; }
  .gates { grid-template-columns: minmax(0, 1fr); gap: 48px; padding: 0 var(--gutter); }
  .gates li { padding-top: 0; padding-left: 52px; }
  .gate { height: 44px; }
  .token { top: 0; left: calc(var(--gutter) - 6px); width: 96px; height: 64px; margin: -32px 0 0 0; }
  .token__cards { top: 46px; height: 12px; }
  .token__h { top: 16px; } .token__l { top: 29px; } .token__l--s { top: 35px; } .token__btn { top: 40px; height: 6px; }
  .js .how.travel .gates li { padding-left: 124px; }
  .rules__grid { grid-template-columns: minmax(0, 1fr); padding: 0 var(--gutter); }
  .readout__num, .readout__ticks, .readout__code { padding-left: 0; margin-left: 0; }
  .row { grid-template-columns: 56px minmax(0, 1fr); }
  .row__body { grid-column: 2; }
}
@media (max-width: 900px) {
  .ruler { display: none; }
  .nav ul { display: none; }
  .hero { height: 150vh; }
  .slip { left: 12px; right: 12px; width: auto; bottom: 12px; padding: 20px; }
  .slip h1 { font-size: 1.6rem; }
  .slip__sub { font-size: 1rem; margin-top: 10px; }
  .slip .cta { margin-top: 14px; gap: 10px; }
  .slip__note { display: none; }
  .hero__tag { top: 76px; bottom: auto; right: 12px; font-size: 0.66rem; }
}
@media (max-width: 600px) {
  body { font-size: 1.0625rem; }
  .cta { flex-direction: column; align-items: stretch; }
  .cta .btn { justify-content: center; }
  .install { width: 100%; }
  .install code { flex: 1; }
  .inspect__notes { grid-template-columns: minmax(0, 1fr); }
  .mock__cards { grid-template-columns: 1fr 1fr; }
  .mock__cards div:nth-child(3) { display: none; }
  .ring { width: 48px; height: 48px; }
  .spec dl > div, .qa > div { grid-template-columns: minmax(0, 1fr); }
  .agents th { display: block; width: auto; padding-bottom: 2px; border: 0 !important; }
  .agents td { display: block; padding-top: 0; border: 0 !important; }
  .agents tr { display: block; border-top: 1px solid var(--line); }
  .agents tr:last-child { border-bottom: 1px solid var(--line); }
  .final__lens { aspect-ratio: auto; border-radius: 28px; padding: 44px 22px; }
  .final .cta { align-items: stretch; width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  .js .cascade > * { opacity: 1; transform: none; }
  .hero { height: auto; }
  .hero__stage { position: relative; height: 100vh; height: 100dvh; }
}