/* Landwaiter website.
   Light first: ivory paper, navy ink, IBM Plex. The red of the logo's clapper is the signal
   colour: it marks only the bell, the live dot and a reopened file. Teal marks a checked receipt,
   brass marks money. Every animation sits behind prefers-reduced-motion. */

:root {
  --paper: #F8F6F1;
  --paper-2: #F2EFE7;
  --sheet: #FFFFFF;
  --ink: #13294B;
  --text: #24314A;
  --muted: #5E6878;
  --faint: #8D95A3;
  --rule: #E5E0D5;
  --rule-strong: #CDC6B7;
  --navy: #13294B;
  --navy-2: #213F6E;
  --red: #C8102E;
  --teal: #23695F;
  --teal-soft: #E2EFEC;
  --brass: #8A6215;
  --mark: #F4E6B5;
  --hatch: rgba(19, 41, 75, 0.09);
  --glow: rgba(33, 63, 110, 0.10);
  --logo-ink: #13294B;
  --logo-red: #C8102E;
  --btn-bg: #13294B;
  --btn-fg: #FFFFFF;
  --btn-hover: #1E3A66;
  --band: #13294B;
  --band-text: #DCE4F0;
  --code-bg: #0F2140;
  --shadow: 0 1px 2px rgba(19, 41, 75, 0.05), 0 10px 30px -14px rgba(19, 41, 75, 0.20);
  --shadow-lg: 0 2px 6px rgba(19, 41, 75, 0.05), 0 30px 70px -28px rgba(19, 41, 75, 0.38);

  --serif: "IBM Plex Serif", Georgia, "Times New Roman", serif;
  --sans: "IBM Plex Sans", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --ease: cubic-bezier(0.2, 0.7, 0.1, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --gutter: clamp(16px, 4.2vw, 44px);
  --nav-h: 68px;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --paper: #0A111E;
  --paper-2: #0E1727;
  --sheet: #111C30;
  --ink: #EEF2F8;
  --text: #CAD3E1;
  --muted: #93A0B5;
  --faint: #66748B;
  --rule: #1F2D45;
  --rule-strong: #2E4163;
  --navy: #A9C1E8;
  --navy-2: #C9D8F0;
  --red: #E8414B;
  --teal: #6CC3B7;
  --teal-soft: rgba(108, 195, 183, 0.12);
  --brass: #E2B865;
  --mark: rgba(226, 184, 101, 0.22);
  --hatch: rgba(169, 193, 232, 0.07);
  --glow: rgba(90, 130, 200, 0.16);
  --logo-ink: #FFFFFF;
  --logo-red: #E8414B;
  --btn-bg: #E6EDF7;
  --btn-fg: #0D1B33;
  --btn-hover: #FFFFFF;
  --band: #15284A;
  --band-text: #D2DCEC;
  --code-bg: #0B1628;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 10px 30px -14px rgba(0, 0, 0, 0.6);
  --shadow-lg: 0 2px 6px rgba(0, 0, 0, 0.3), 0 30px 70px -28px rgba(0, 0, 0, 0.8);
  color-scheme: dark;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background-color 0.5s var(--ease), color 0.5s var(--ease);
}
h1, h2, h3, h4, p, ol, ul, dl, dd, figure, blockquote { margin: 0; }
ol, ul { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
sup { font-size: 0.62em; line-height: 0; vertical-align: super; }
sup a { color: var(--muted); font-family: var(--mono); padding: 0 1px; }
sup a:hover { color: var(--ink); }
::selection { background: var(--mark); color: var(--ink); }
:focus-visible { outline: 2px solid var(--navy); outline-offset: 3px; border-radius: 6px; }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.lg-ink { fill: var(--logo-ink); transition: fill 0.5s var(--ease); }
.lg-red { fill: var(--logo-red); transition: fill 0.5s var(--ease); }
.ico { width: 16px; height: 16px; flex: none; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.money { color: var(--brass); }
.label {
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.wrap {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding-left: max(var(--gutter), env(safe-area-inset-left, 0px));
  padding-right: max(var(--gutter), env(safe-area-inset-right, 0px));
}
.skip {
  position: absolute; left: 12px; top: -60px; z-index: 100;
  background: var(--btn-bg); color: var(--btn-fg); padding: 10px 16px; border-radius: 8px;
}
.skip:focus { top: 12px; }

/* ---------- Type ---------- */
.h2 {
  font-family: var(--serif);
  font-weight: 500;
  color: var(--ink);
  font-size: clamp(2rem, 1.15rem + 3vw, 3.6rem);
  line-height: 1.06;
  letter-spacing: -0.022em;
  text-wrap: balance;
  max-width: 20ch;
}
.h2 .soft { color: var(--faint); }
.h3 {
  font-family: var(--serif);
  font-weight: 500;
  color: var(--ink);
  font-size: clamp(1.35rem, 1.1rem + 0.8vw, 1.75rem);
  letter-spacing: -0.012em;
  line-height: 1.2;
}
.lede {
  font-size: clamp(1.05rem, 0.98rem + 0.35vw, 1.22rem);
  line-height: 1.6;
  color: var(--muted);
  max-width: 60ch;
  margin-top: 26px;
}
.fine { font-size: 0.82rem; color: var(--faint); line-height: 1.55; max-width: 70ch; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 0 22px;
  border-radius: 10px;
  font-weight: 500; font-size: 0.98rem; letter-spacing: -0.005em;
  transition: transform 0.35s var(--ease), background-color 0.3s var(--ease), color 0.3s var(--ease), box-shadow 0.35s var(--ease), border-color 0.3s;
  white-space: nowrap;
}
.btn .ico { transition: transform 0.35s var(--ease); }
.btn:hover .ico { transform: translateX(3px); }
.btn-primary { background: var(--btn-bg); color: var(--btn-fg); box-shadow: 0 1px 0 rgba(255,255,255,0.08) inset, 0 8px 22px -12px rgba(19,41,75,0.6); }
.btn-primary:hover { background: var(--btn-hover); transform: translateY(-1px); box-shadow: 0 1px 0 rgba(255,255,255,0.08) inset, 0 14px 30px -14px rgba(19,41,75,0.7); }
.btn-ghost { border: 1px solid var(--rule-strong); color: var(--ink); background: color-mix(in srgb, var(--sheet) 60%, transparent); }
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-1px); }
.btn-ghost:hover .ico { transform: translateY(2px); }
.btn-light { background: #FFFFFF; color: #13294B; }
.btn-light:hover { transform: translateY(-1px); background: #F2F5FA; }
.btn-sm { min-height: 40px; padding: 0 16px; font-size: 0.9rem; }

/* ---------- Progress and nav ---------- */
.progress { position: fixed; inset: 0 0 auto 0; height: 2px; z-index: 60; pointer-events: none; }
.progress span { display: block; height: 100%; background: var(--navy); transform-origin: 0 50%; transform: scaleX(0); }

.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  height: var(--nav-h);
  transition: background-color 0.4s var(--ease), box-shadow 0.4s var(--ease), backdrop-filter 0.4s;
}
.nav.is-scrolled {
  background: color-mix(in srgb, var(--paper) 80%, transparent);
  -webkit-backdrop-filter: saturate(1.4) blur(16px);
  backdrop-filter: saturate(1.4) blur(16px);
  box-shadow: 0 1px 0 var(--rule);
}
.nav-inner { height: 100%; display: flex; align-items: center; gap: 28px; }
.nav-logo { flex: none; display: block; }
.logo { height: 32px; width: auto; aspect-ratio: 3715.75 / 712; }
.nav-links { display: flex; gap: 26px; margin-left: auto; font-size: 0.92rem; }
.nav-links a { color: var(--muted); position: relative; padding: 6px 0; transition: color 0.25s; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: var(--ink);
  transform: scaleX(0); transform-origin: 100% 50%; transition: transform 0.45s var(--ease);
}
.nav-links a:hover, .nav-links a.is-current { color: var(--ink); }
.nav-links a:hover::after, .nav-links a.is-current::after { transform: scaleX(1); transform-origin: 0 50%; }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.theme-toggle {
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  color: var(--ink); border: 1px solid var(--rule); background: color-mix(in srgb, var(--sheet) 50%, transparent);
  transition: border-color 0.3s, transform 0.35s var(--ease);
}
.theme-toggle:hover { border-color: var(--rule-strong); transform: rotate(-12deg); }
.theme-toggle .ico { width: 18px; height: 18px; grid-area: 1 / 1; transition: opacity 0.35s, transform 0.5s var(--ease); }
.theme-toggle .ico-sun { opacity: 0; transform: rotate(-90deg) scale(0.6); }
:root[data-theme="dark"] .theme-toggle .ico-moon { opacity: 0; transform: rotate(90deg) scale(0.6); }
:root[data-theme="dark"] .theme-toggle .ico-sun { opacity: 1; transform: none; }
.menu-toggle { display: none; width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--rule); position: relative; }
.menu-toggle span { position: absolute; left: 11px; right: 11px; height: 1.5px; background: var(--ink); transition: transform 0.4s var(--ease), top 0.4s var(--ease); }
.menu-toggle span:first-child { top: 15px; }
.menu-toggle span:last-child { top: 23px; }
.menu-toggle[aria-expanded="true"] span:first-child { top: 19px; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:last-child { top: 19px; transform: rotate(-45deg); }
.mobile-menu {
  background: color-mix(in srgb, var(--paper) 94%, transparent);
  -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--rule);
}
.mobile-menu nav { display: flex; flex-direction: column; padding-top: 8px; padding-bottom: 24px; }
.mobile-menu a:not(.btn) { font-family: var(--serif); font-size: 1.5rem; color: var(--ink); padding: 12px 0; border-bottom: 1px solid var(--rule); }
.mobile-menu .btn { margin-top: 20px; }

/* ---------- Reveal ---------- */
.js .reveal { opacity: 0; transform: translateY(22px); filter: blur(6px); transition: opacity 1s var(--ease), transform 1.1s var(--ease), filter 1s var(--ease); transition-delay: var(--d, 0s); }
.js .reveal.is-in { opacity: 1; transform: none; filter: none; }

/* ---------- Article tags ---------- */
.article-tag { display: flex; align-items: center; gap: 14px; margin-bottom: 30px; font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; }
.art-no { color: var(--ink); font-weight: 500; }
.art-rule { flex: 0 0 56px; height: 1px; background: var(--rule-strong); transform-origin: 0 50%; transition: transform 1.2s var(--ease) 0.2s; }
.js .article-tag.reveal:not(.is-in) .art-rule { transform: scaleX(0); }
.art-name { color: var(--muted); }

/* ---------- Sections ---------- */
.section { position: relative; padding-block: clamp(96px, 12vw, 168px); }
.section + .section { border-top: 1px solid var(--rule); }

/* ---------- Hero ---------- */
.hero { position: relative; padding-top: calc(var(--nav-h) + clamp(28px, 5vw, 68px)); padding-bottom: clamp(56px, 7vw, 96px); overflow: hidden; }
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-bg::before {
  content: ""; position: absolute; inset: -10% -10% auto auto; width: 70vw; height: 70vw; max-width: 1100px; max-height: 1100px;
  background: radial-gradient(closest-side, var(--glow), transparent 72%);
}
.hatch {
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(-32deg, var(--hatch) 0 1px, transparent 1px 8px);
  -webkit-mask-image: radial-gradient(52% 58% at 78% 42%, #000 0%, rgba(0,0,0,0.35) 45%, transparent 75%);
  mask-image: radial-gradient(52% 58% at 78% 42%, #000 0%, rgba(0,0,0,0.35) 45%, transparent 75%);
}


.hero-grid {
  position: relative; display: grid; grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  grid-template-areas: "head head" "copy visual"; column-gap: clamp(32px, 5vw, 80px); row-gap: clamp(36px, 4.5vw, 60px); align-items: start;
}
.hero-head { grid-area: head; }
.hero-copy { grid-area: copy; padding-top: 6px; }
.hero-visual { grid-area: visual; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 28px; }
.pip { width: 7px; height: 7px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 0 color-mix(in srgb, var(--red) 45%, transparent); animation: pip 2.4s var(--ease) infinite; }
@keyframes pip { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--red) 45%, transparent); } 70%, 100% { box-shadow: 0 0 0 9px transparent; } }
.hero-title {
  font-family: var(--serif); font-weight: 500; color: var(--ink);
  font-size: clamp(2.4rem, 0.8rem + 5.6vw, 6.1rem);
  line-height: 1.0; letter-spacing: -0.032em;
}
.hero-title .line { display: block; overflow: hidden; padding-bottom: 0.08em; margin-bottom: -0.04em; }
.hero-title .line > span { display: inline-block; }
.hero-title em { font-style: italic; font-weight: 400; position: relative; white-space: nowrap; }
.hero-title em::after {
  content: ""; position: absolute; left: 0.02em; right: 0.02em; bottom: 0.02em; height: 0.06em; background: var(--navy); opacity: 0.85;
  transform-origin: 0 50%; transform: scaleX(0); transition: transform 1.2s var(--ease) 1.5s;
}
.hero.is-in .hero-title em::after { transform: scaleX(1); }
.hero-lede { margin-top: 0; font-size: clamp(1.05rem, 0.98rem + 0.4vw, 1.25rem); color: var(--muted); max-width: 54ch; line-height: 1.6; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.hero-proof {
  display: inline-flex; align-items: center; gap: 14px; margin-top: 34px; padding: 12px 16px 12px 14px;
  border: 1px solid var(--rule); border-radius: 14px; background: color-mix(in srgb, var(--sheet) 70%, transparent);
  max-width: 560px; transition: border-color 0.3s, transform 0.4s var(--ease);
}
.hero-proof:hover { border-color: var(--rule-strong); transform: translateY(-1px); }
.hp-num { font-size: 1.35rem; font-weight: 500; color: var(--ink); }
.hp-text { font-size: 0.88rem; color: var(--muted); line-height: 1.4; }
.hero-proof .ico { color: var(--muted); }

/* Hero intro motion */
.js [data-hero] { opacity: 0; transform: translateY(16px); transition: opacity 1s var(--ease), transform 1.1s var(--ease); }
.js .hero-title [data-hero] { opacity: 1; transform: translateY(108%); transition: transform 1.2s var(--ease); }
.js .hero.is-in [data-hero] { opacity: 1; transform: none; }
.js .hero.is-in [data-hero="1"] { transition-delay: 0.1s; }
.js .hero.is-in [data-hero="2"] { transition-delay: 0.22s; }
.js .hero.is-in [data-hero="3"] { transition-delay: 0.34s; }
.js .hero.is-in [data-hero="4"] { transition-delay: 0.55s; }
.js .hero.is-in [data-hero="5"] { transition-delay: 0.68s; }
.js .hero.is-in [data-hero="6"] { transition-delay: 0.8s; }
.js .hero.is-in [data-hero="7"] { transition-delay: 0.45s; transition-duration: 1.4s; }

/* The product file card */
.hero-visual { position: relative; perspective: 1400px; }
.file-card {
  position: relative; background: var(--sheet); border: 1px solid var(--rule); border-radius: 18px;
  box-shadow: var(--shadow-lg); padding: 22px 22px 18px;
  transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: transform 0.8s var(--ease), background-color 0.5s, border-color 0.5s;
  transform-style: preserve-3d;
}
.file-card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 0%), color-mix(in srgb, var(--navy) 6%, transparent), transparent 60%);
}
.fc-head { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; padding-bottom: 16px; border-bottom: 1px solid var(--rule); }
.fc-title { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.fc-title strong { font-family: var(--serif); font-weight: 500; font-size: 1.3rem; color: var(--ink); letter-spacing: -0.01em; line-height: 1.2; }
.fc-sub { font-size: 0.85rem; color: var(--muted); }
.fc-status { display: flex; align-items: center; gap: 8px; flex: none; padding: 6px 10px; border-radius: 999px; border: 1px solid var(--rule); font-size: 0.78rem; color: var(--muted); }
.fc-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--brass); animation: blink 1.2s steps(2, jump-none) infinite; }
.fc-timer { color: var(--ink); font-size: 0.78rem; }
.file-card.is-done .fc-dot { background: var(--teal); animation: none; }
.file-card.is-done .fc-state { color: var(--teal); }
@keyframes blink { 50% { opacity: 0.25; } }
.fc-rows { margin: 6px 0 0; }
.fc-rows li {
  position: relative; display: grid; grid-template-columns: 112px minmax(0, 1fr) auto 18px; gap: 12px; align-items: center;
  padding: 12px 0; border-bottom: 1px dashed var(--rule);
}
.fc-q { font-size: 0.82rem; color: var(--muted); }
.fc-v { color: var(--ink); font-weight: 500; font-size: 0.95rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.fc-v.mono { font-size: 0.92rem; }
.fc-r { font-size: 0.7rem; color: var(--faint); white-space: nowrap; }
.fc-tick { width: 18px; height: 18px; color: var(--teal); }
.js .fc-rows li .fc-v, .js .fc-rows li .fc-r, .js .fc-rows li .fc-tick { opacity: 0; transform: translateY(4px); transition: opacity 0.5s var(--ease), transform 0.6s var(--ease); }
.js .fc-rows li .fc-tick { transform: scale(0.4); transition-delay: 0.15s; }
.js .fc-rows li::after {
  content: ""; position: absolute; left: 124px; right: 30px; top: 50%; height: 9px; margin-top: -4.5px; border-radius: 5px;
  background: linear-gradient(90deg, var(--paper-2) 0%, var(--rule) 40%, var(--paper-2) 80%); background-size: 200% 100%;
  animation: shimmer 1.4s linear infinite; transition: opacity 0.3s;
}
.js .fc-rows li.is-done::after { opacity: 0; animation: none; }
.js .fc-rows li.is-done .fc-v, .js .fc-rows li.is-done .fc-r, .js .fc-rows li.is-done .fc-tick { opacity: 1; transform: none; }
@keyframes shimmer { from { background-position: 100% 0; } to { background-position: -100% 0; } }
.fc-foot { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; padding-top: 14px; font-size: 0.85rem; color: var(--text); }
.fc-open .label { margin-right: 6px; }
.fc-sign { font-family: var(--serif); font-style: italic; color: var(--ink); padding: 6px 12px; border: 1px solid var(--rule-strong); border-radius: 8px; }
.js .fc-foot { opacity: 0.35; transition: opacity 0.8s var(--ease); }
.js .file-card.is-done .fc-foot { opacity: 1; }

.receipt-float {
  position: relative; z-index: 2; margin: -14px -18px 0 auto; width: min(340px, 86%);
  display: flex; flex-direction: column; gap: 8px;
  background: var(--sheet); border: 1px solid var(--rule); border-radius: 14px; box-shadow: var(--shadow-lg);
  padding: 14px 16px; font-size: 0.86rem;
}
.receipt-float q { font-family: var(--serif); color: var(--ink); line-height: 1.45; quotes: "“" "”"; }
.rf-src { font-size: 0.7rem; color: var(--faint); display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.ok { display: inline-flex; align-items: center; gap: 4px; color: var(--teal); }
.ok .ico { width: 13px; height: 13px; }
.js .receipt-float { opacity: 0; transform: translateY(14px); transition: opacity 0.9s var(--ease), transform 1s var(--ease); }
.js .hero-visual.is-done .receipt-float { opacity: 1; transform: none; animation: float 7s var(--ease-in-out) 1s infinite; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }

/* Entry strip: a customs form's numbered boxes */
.entry-strip {
  margin-top: clamp(72px, 9vw, 120px);
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid var(--rule-strong); border-bottom: 1px solid var(--rule-strong);
}
.entry-strip > div { padding: 16px 18px 18px; border-left: 1px solid var(--rule); }
.entry-strip > div:first-child { border-left: 0; padding-left: 0; }
.entry-strip dt { display: flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.box { display: inline-grid; place-items: center; width: 18px; height: 18px; border: 1px solid var(--rule-strong); border-radius: 3px; font-size: 0.62rem; color: var(--ink); letter-spacing: 0; }
.entry-strip dd { font-size: 0.92rem; color: var(--ink); line-height: 1.4; }

/* ---------- Article I · stakes ---------- */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; margin-top: clamp(48px, 6vw, 80px); border-top: 1px solid var(--rule-strong); }
.stat { padding: 28px 28px 8px 0; }
.stat + .stat { padding-left: 28px; border-left: 1px solid var(--rule); }
.stat-num { font-family: var(--serif); font-weight: 400; font-size: clamp(2.5rem, 1.6rem + 2.6vw, 4rem); color: var(--ink); letter-spacing: -0.03em; line-height: 1; }
.stat-num.money { color: var(--ink); }
.stat figcaption { margin-top: 14px; font-size: 0.92rem; color: var(--muted); line-height: 1.5; max-width: 30ch; }
.stat:nth-child(2) { --d: 0.08s; } .stat:nth-child(3) { --d: 0.16s; } .stat:nth-child(4) { --d: 0.24s; }

.why { margin-top: clamp(96px, 11vw, 150px); }
.why-head { display: flex; justify-content: space-between; align-items: baseline; gap: 24px; flex-wrap: wrap; margin-bottom: 28px; }
.why-head p { color: var(--muted); }
.traps { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; }
.trap {
  display: flex; flex-direction: column; gap: 10px; padding: 22px 20px 24px; background: var(--sheet);
  border: 1px solid var(--rule); border-radius: 14px; transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease), border-color 0.3s;
}
.trap:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--rule-strong); }
.trap-no { font-size: 0.72rem; color: var(--faint); }
.trap strong { font-family: var(--serif); font-weight: 500; font-size: 1.15rem; color: var(--ink); }
.trap span:last-child { font-size: 0.9rem; color: var(--muted); line-height: 1.5; }
.trap:nth-child(2) { --d: 0.06s; } .trap:nth-child(3) { --d: 0.12s; } .trap:nth-child(4) { --d: 0.18s; } .trap:nth-child(5) { --d: 0.24s; }
.big-line {
  margin-top: clamp(72px, 9vw, 120px); text-align: center;
  font-family: var(--serif); font-weight: 400; color: var(--ink);
  font-size: clamp(1.8rem, 1rem + 3.2vw, 3.6rem); letter-spacing: -0.025em; line-height: 1.1; text-wrap: balance;
}
.big-line em { font-style: italic; }

/* ---------- Article II · method ---------- */
.method { background: var(--paper-2); }
.story { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(32px, 6vw, 96px); margin-top: clamp(40px, 6vw, 80px); }
.story-steps { grid-column: 1; grid-row: 1; }
.story-stage { grid-column: 2; grid-row: 1; position: sticky; top: calc(var(--nav-h) + 6vh); height: min(78vh, 680px); align-self: start; }
.step { min-height: 78vh; display: flex; flex-direction: column; justify-content: center; padding: 40px 0; transition: opacity 0.6s var(--ease); }
.js .step { opacity: 0.28; }
.step:first-child { min-height: 60vh; justify-content: flex-start; padding-top: 12vh; }
.step:last-child { min-height: 70vh; }
.js .step.is-active { opacity: 1; }
.step-no { font-size: 0.78rem; color: var(--faint); margin-bottom: 14px; }
.step h3 { font-family: var(--serif); font-weight: 500; color: var(--ink); font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2.3rem); line-height: 1.12; letter-spacing: -0.018em; text-wrap: balance; }
.step p { margin-top: 18px; color: var(--muted); max-width: 46ch; font-size: 1.04rem; }
.stage-frame {
  position: relative; height: 100%; background: var(--sheet); border: 1px solid var(--rule); border-radius: 22px; box-shadow: var(--shadow-lg); overflow: hidden;
}
.stage-frame::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.6;
  background-image: linear-gradient(var(--rule) 1px, transparent 1px), linear-gradient(90deg, var(--rule) 1px, transparent 1px);
  background-size: 32px 32px; background-position: -1px -1px;
  -webkit-mask-image: radial-gradient(80% 70% at 50% 50%, #000, transparent 85%); mask-image: radial-gradient(80% 70% at 50% 50%, #000, transparent 85%);
}
.stage-top { position: absolute; top: 18px; left: 22px; right: 22px; display: flex; justify-content: space-between; align-items: center; z-index: 3; }
.stage-dots { display: flex; gap: 6px; }
.stage-dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--rule-strong); transition: background-color 0.4s, transform 0.4s var(--ease); }
.stage-dots i.on { background: var(--ink); transform: scale(1.25); }
.scene { position: absolute; inset: 56px 28px 28px; display: grid; place-items: center; opacity: 0; transform: translateY(18px) scale(0.985); transition: opacity 0.7s var(--ease), transform 0.9s var(--ease); pointer-events: none; }
.scene.is-active { opacity: 1; transform: none; pointer-events: auto; }

/* Scene 1: documents */
.docs { position: relative; width: min(100%, 440px); height: 100%; max-height: 420px; }
.doc {
  position: absolute; width: 58%; aspect-ratio: 0.78; background: var(--sheet); border: 1px solid var(--rule-strong); border-radius: 8px; box-shadow: var(--shadow);
  padding: 16px 14px; display: flex; flex-direction: column; gap: 9px;
  transition: transform 1.1s var(--ease), opacity 0.8s var(--ease);
}
.doc .label { font-size: 0.6rem; margin-bottom: 6px; color: var(--ink); }
.doc i { display: block; height: 6px; border-radius: 3px; background: var(--rule); }
.doc i.s { width: 62%; }
.doc i:nth-of-type(4n+3) { width: 84%; }
.d1 { left: 0; top: 20%; transform: rotate(-7deg); z-index: 2; }
.d2 { left: 21%; top: 3%; transform: rotate(2deg); z-index: 1; }
.d3 { left: 42%; top: 24%; transform: rotate(8deg); z-index: 3; }
.scene:not(.is-active) .d1 { transform: translate(-30px, 40px) rotate(-14deg); opacity: 0; }
.scene:not(.is-active) .d2 { transform: translate(0, 60px) rotate(0deg); opacity: 0; }
.scene:not(.is-active) .d3 { transform: translate(30px, 40px) rotate(14deg); opacity: 0; }
.data-stamp {
  position: absolute; left: 50%; bottom: 4%; transform: translateX(-50%) rotate(-3deg); z-index: 4; white-space: nowrap;
  font-size: 0.72rem; letter-spacing: 0.12em; color: var(--ink); padding: 8px 14px; border: 1.5px solid var(--ink); border-radius: 6px; background: var(--sheet);
  transition: transform 0.6s var(--ease) 0.6s, opacity 0.4s 0.6s;
}
.scene:not(.is-active) .data-stamp { transform: translateX(-50%) rotate(-3deg) scale(1.4); opacity: 0; }

/* Scene 2: library */
.library { width: 100%; max-width: 480px; display: flex; flex-direction: column; gap: 26px; }
.lib-count { display: flex; flex-direction: column; gap: 6px; }
.lib-num-row { display: flex; align-items: baseline; }
.lib-plus { font-family: var(--serif); font-size: clamp(1.8rem, 1.2rem + 1.6vw, 2.6rem); color: var(--muted); margin-left: 2px; }
.lib-num { font-family: var(--serif); font-size: clamp(2.4rem, 1.6rem + 2.4vw, 3.6rem); color: var(--ink); letter-spacing: -0.03em; line-height: 1; }
.lib-count span:last-child { color: var(--muted); font-size: 0.92rem; }
.shelves { display: flex; flex-wrap: wrap; gap: 8px; }
.shelves span {
  font-size: 0.8rem; color: var(--ink); padding: 7px 11px; border: 1px solid var(--rule-strong); border-radius: 8px; background: var(--paper);
  transition: opacity 0.6s var(--ease), transform 0.7s var(--ease); transition-delay: calc(var(--i, 0) * 45ms + 0.15s);
}
.scene:not(.is-active) .shelves span { opacity: 0; transform: translateY(8px); }

/* Scene 3: team */
.team { width: min(100%, 460px); height: auto; overflow: visible; }
.team-links path { stroke: var(--rule-strong); stroke-width: 1.2; fill: none; stroke-dasharray: 130; stroke-dashoffset: 130; transition: stroke-dashoffset 1s var(--ease); }
.scene.is-active .team-links path { stroke-dashoffset: 0; }
.team-pulses circle { fill: var(--teal); }
.team-nodes circle { fill: var(--sheet); stroke: var(--ink); stroke-width: 1.3; }
.team-nodes text { font-family: var(--mono); font-size: 10px; letter-spacing: 0.04em; fill: var(--muted); text-anchor: middle; }
.team-nodes .lead circle { fill: var(--ink); }
.team-nodes .lead text { fill: var(--sheet); font-size: 12px; font-weight: 500; }
.team-nodes > g { transition: opacity 0.6s var(--ease); }
.scene:not(.is-active) .team-nodes > g:not(.lead) { opacity: 0; }

/* Scene 4: receipt */
.receipt-scene { width: 100%; max-width: 500px; display: flex; flex-direction: column; gap: 18px; }
.src-doc { background: var(--paper); border: 1px solid var(--rule); border-radius: 12px; padding: 18px 20px; }
.src-doc .label { display: block; margin-bottom: 10px; }
.src-doc p { font-family: var(--serif); font-size: 0.98rem; line-height: 1.6; color: var(--muted); }
.src-doc mark, .receipt mark {
  color: var(--ink); background: linear-gradient(var(--mark), var(--mark)) no-repeat 0 85% / 0% 70%;
  transition: background-size 1.4s var(--ease) 0.4s; padding: 0 1px;
  -webkit-box-decoration-break: clone; box-decoration-break: clone;
}
.scene.is-active .src-doc mark, .ex-panel.is-active .receipt mark { background-size: 100% 70%; }
.checks { display: flex; flex-direction: column; gap: 8px; }
.chk { display: inline-flex; align-items: center; gap: 8px; font-size: 0.88rem; color: var(--teal); font-weight: 500; transition: opacity 0.5s var(--ease), transform 0.6s var(--ease); }
.chk .ico { width: 16px; height: 16px; padding: 2px; border-radius: 50%; background: var(--teal-soft); }
.checks .chk:nth-child(1) { transition-delay: 1.4s; } .checks .chk:nth-child(2) { transition-delay: 1.6s; } .checks .chk:nth-child(3) { transition-delay: 1.8s; }
.scene:not(.is-active) .chk { opacity: 0; transform: translateX(-8px); }

/* Scene 5: the duty ledger */
.ledger { width: 100%; max-width: 460px; background: var(--code-bg); color: #D7E1F0; border-radius: 14px; overflow: hidden; box-shadow: var(--shadow-lg); }
.ledger-head { padding: 13px 18px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.ledger-head .label { color: #8FA3C2; }
.ledger-rows li { display: grid; grid-template-columns: 116px 1fr auto; gap: 12px; align-items: center; padding: 13px 18px; border-bottom: 1px dashed rgba(255,255,255,0.1); font-size: 0.9rem; transition: opacity 0.6s var(--ease), transform 0.7s var(--ease); }
.ledger-rows li .mono:first-child { color: #9EC1FF; font-size: 0.82rem; }
.ledger-rows li .mono:last-child { color: #FFFFFF; }
.ledger-rows li:nth-child(2) { transition-delay: 0.15s; } .ledger-rows li:nth-child(3) { transition-delay: 0.3s; }
.scene:not(.is-active) .ledger-rows li { opacity: 0; transform: translateX(-10px); }
.ledger-total { display: flex; justify-content: space-between; align-items: baseline; padding: 16px 18px 6px; font-size: 0.9rem; color: #A9B9D3; }
.ledger-total .money { color: #F0CF8E; font-size: 1.6rem; transition: opacity 0.6s var(--ease) 0.6s; }
.scene:not(.is-active) .ledger-total .money { opacity: 0; }
.ledger-foot { padding: 8px 18px 16px; }
.ledger-foot .chk { color: #7FD3C6; transition-delay: 0.9s; }
.ledger-foot .chk .ico { background: rgba(127, 211, 198, 0.14); }

/* Scene 6: questions */
.questions { width: 100%; max-width: 460px; display: flex; flex-direction: column; gap: 12px; }
.qcard {
  display: flex; flex-direction: column; gap: 6px; background: var(--sheet); border: 1px solid var(--rule-strong); border-radius: 12px; padding: 14px 16px;
  box-shadow: var(--shadow); transition: opacity 0.6s var(--ease), transform 0.8s var(--ease);
}
.qcard strong { font-family: var(--serif); font-weight: 500; color: var(--ink); font-size: 1.04rem; line-height: 1.35; }
.qmeta { font-size: 0.8rem; color: var(--brass); }
.qcard:nth-child(2) { transition-delay: 0.15s; margin-left: 18px; } .qcard:nth-child(3) { transition-delay: 0.3s; margin-left: 36px; }
.scene:not(.is-active) .qcard { opacity: 0; transform: translateY(20px); }

/* Scene 7: sign */
.sign { width: 100%; max-width: 440px; display: flex; flex-direction: column; gap: 6px; }
.sign-file { background: var(--paper); border: 1px solid var(--rule); border-radius: 12px; padding: 16px 18px; display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.sign-file strong { font-family: var(--serif); font-weight: 500; color: var(--ink); font-size: 1.1rem; }
.sign-rows { display: flex; flex-direction: column; gap: 7px; margin-top: 6px; }
.sign-rows i { display: block; height: 6px; border-radius: 3px; background: var(--rule); }
.sign-rows i:nth-child(odd) { width: 84%; } .sign-rows i:nth-child(3n) { width: 66%; }
.signature { width: 100%; max-width: 320px; height: auto; overflow: visible; }
.signature path { fill: none; stroke: var(--ink); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 900; stroke-dashoffset: 900; transition: stroke-dashoffset 2.2s var(--ease-in-out) 0.3s; }
.scene.is-active .signature path, .is-in .sig-decl path { stroke-dashoffset: 0; }
.sign-line { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; border-top: 1px solid var(--ink); padding-top: 8px; font-size: 0.8rem; color: var(--muted); }
.sign-line .mono { color: var(--teal); }

/* ---------- Article III · explorer ---------- */
.file-intro { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(24px, 5vw, 72px); align-items: end; }
.file-intro .lede { margin-top: 0; }
.explorer { display: grid; grid-template-columns: 300px minmax(0, 1fr); gap: 20px; margin-top: clamp(40px, 5vw, 64px); }
.ex-tabs { display: flex; flex-direction: column; gap: 6px; }
.ex-tabs button {
  display: grid; grid-template-columns: 26px 1fr auto; align-items: center; gap: 10px; text-align: left;
  padding: 14px 16px; border-radius: 12px; border: 1px solid transparent; color: var(--muted); font-size: 0.98rem;
  transition: background-color 0.35s var(--ease), color 0.25s, border-color 0.35s, box-shadow 0.35s, transform 0.4s var(--ease);
  position: relative;
}
.ex-tabs button > .mono:first-child { font-size: 0.74rem; color: var(--faint); }
.ex-mini { font-size: 0.78rem; color: var(--faint); }
.ex-tabs button:hover { color: var(--ink); background: color-mix(in srgb, var(--sheet) 60%, transparent); }
.ex-tabs button[aria-selected="true"] { background: var(--sheet); color: var(--ink); border-color: var(--rule); box-shadow: var(--shadow); }
.ex-tabs button[aria-selected="true"]::before { content: ""; position: absolute; left: -1px; top: 14px; bottom: 14px; width: 2px; border-radius: 2px; background: var(--ink); }
.ex-tabs button[aria-selected="true"] .ex-mini { color: var(--ink); }
.ex-panels { position: relative; min-height: 470px; }
.ex-panel {
  background: var(--sheet); border: 1px solid var(--rule); border-radius: 18px; box-shadow: var(--shadow-lg); padding: clamp(22px, 3vw, 36px);
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 28px 36px; align-content: start;
}
.ex-panel[hidden] { display: none; }
.ex-panel header { grid-column: 1 / -1; padding-bottom: 20px; border-bottom: 1px solid var(--rule); }
.ex-answer { margin-top: 8px; font-family: var(--serif); font-weight: 500; color: var(--ink); font-size: clamp(1.9rem, 1.3rem + 2vw, 2.9rem); letter-spacing: -0.02em; line-height: 1.05; }
.ex-answer.mono { font-family: var(--mono); font-weight: 500; letter-spacing: -0.03em; }
.ex-answer.money { color: var(--brass); }
.ex-sub { margin-top: 10px; color: var(--muted); }
.ex-why { display: flex; flex-direction: column; gap: 14px; }
.ex-why li { position: relative; padding-left: 20px; color: var(--text); font-size: 0.97rem; line-height: 1.55; }
.ex-why li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 7px; height: 7px; border: 1.5px solid var(--ink); border-radius: 1px; transform: rotate(45deg); }
.receipt { align-self: start; border: 1px solid var(--rule-strong); border-radius: 12px; background: var(--paper); overflow: hidden; }
.receipt figcaption { display: flex; align-items: center; gap: 8px; padding: 11px 14px; border-bottom: 1px solid var(--rule); font-size: 0.84rem; color: var(--ink); font-weight: 500; flex-wrap: wrap; }
.receipt figcaption .mono { margin-left: auto; font-size: 0.74rem; color: var(--muted); font-weight: 400; }
.receipt blockquote { padding: 16px 16px 6px; font-family: var(--serif); font-size: 1.02rem; line-height: 1.6; color: var(--ink); }
.receipt-ok { display: flex; align-items: center; gap: 8px; padding: 10px 16px 14px; font-size: 0.82rem; color: var(--teal); font-weight: 500; }
.receipt-ok .ico { width: 16px; height: 16px; padding: 2px; border-radius: 50%; background: var(--teal-soft); }
.js .ex-panel.is-entering { animation: panelIn 0.7s var(--ease) both; }
.js .ex-panel.is-entering .ex-why li { animation: liIn 0.7s var(--ease) both; }
.js .ex-panel.is-entering .ex-why li:nth-child(2) { animation-delay: 0.06s; }
.js .ex-panel.is-entering .ex-why li:nth-child(3) { animation-delay: 0.12s; }
.js .ex-panel.is-entering .receipt-ok { animation: liIn 0.6s var(--ease) 1.2s both; }
@keyframes panelIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes liIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.file .fine { margin-top: 22px; }

/* ---------- Article IV · proof ---------- */
.proof .lede { max-width: 64ch; }
.headline-stats { display: grid; grid-template-columns: 1.25fr 1fr 1fr; margin-top: clamp(48px, 6vw, 80px); border-top: 1px solid var(--rule-strong); }
.hs { padding: 30px 28px 8px 0; }
.hs + .hs { padding-left: 28px; border-left: 1px solid var(--rule); }
.hs-num { font-family: var(--serif); font-weight: 400; color: var(--ink); font-size: clamp(3rem, 2rem + 3.4vw, 5rem); letter-spacing: -0.04em; line-height: 0.95; }
.hs-main .hs-num { font-size: clamp(4rem, 2.4rem + 6vw, 8.4rem); }
.hs-num .pct { font-size: 0.5em; letter-spacing: 0; margin-left: 0.04em; color: var(--muted); }
.hs-num .of { font-size: 0.4em; letter-spacing: 0; color: var(--muted); }
.hs p { margin-top: 16px; color: var(--muted); max-width: 32ch; font-size: 0.97rem; }
.hs p strong { color: var(--ink); font-weight: 500; }
.hs:nth-child(2) { --d: 0.1s; } .hs:nth-child(3) { --d: 0.2s; }

.grid-wrap { margin-top: clamp(56px, 7vw, 88px); background: var(--sheet); border: 1px solid var(--rule); border-radius: 18px; padding: clamp(20px, 3vw, 32px); box-shadow: var(--shadow); }
.grid-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 22px; }
.legend { display: inline-flex; align-items: center; gap: 8px; font-size: 0.8rem; color: var(--muted); }
.legend i { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.legend i + i, .legend .lg-wrong { margin-left: 8px; }
.lg-right { background: var(--ink); }
.lg-wrong { border: 1.5px solid var(--faint); }
.answer-grid { --dot: clamp(7px, 0.62vw, 10px); --gap: clamp(2.5px, 0.26vw, 4px); display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 28px clamp(16px, 2.4vw, 32px); }
.ag { display: flex; flex-direction: column; gap: 10px; }
.ag-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.ag-name { font-size: 0.9rem; color: var(--ink); font-weight: 500; }
.ag-score { font-size: 0.86rem; color: var(--ink); font-weight: 500; }
.ag-dots { display: grid; grid-template-columns: repeat(10, var(--dot)); gap: var(--gap); }
.ag-dots i { width: var(--dot); height: var(--dot); border-radius: 50%; background: var(--ink); transition: transform 0.5s var(--ease), opacity 0.4s; transition-delay: calc(var(--i) * 6ms); }
.ag-dots i.w { background: transparent; border: 1.5px solid var(--faint); }
.js .answer-grid:not(.is-in) .ag-dots i { transform: scale(0); opacity: 0; }

.field { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: clamp(28px, 5vw, 72px); margin-top: clamp(72px, 9vw, 120px); align-items: start; }
.field-copy p { margin-top: 14px; color: var(--muted); }
.field-copy .fine { margin-top: 18px; }
.bars { display: flex; flex-direction: column; gap: 22px; }
.bar { display: grid; grid-template-columns: minmax(0, 1fr) 64px; gap: 8px 14px; align-items: center; }
.bar-label { grid-column: 1 / -1; font-size: 0.88rem; color: var(--muted); }
.bar-label strong { color: var(--ink); font-weight: 600; }
.bar-track { height: 12px; border-radius: 6px; background: var(--paper-2); border: 1px solid var(--rule); overflow: hidden; }
.bar-fill { display: block; height: 100%; width: calc(var(--v) * 1%); background: var(--rule-strong); border-radius: 6px; transform-origin: 0 50%; transition: transform 1.6s var(--ease); }
.bar:nth-child(2) .bar-fill { transition-delay: 0.12s; } .bar:nth-child(3) .bar-fill { transition-delay: 0.24s; } .bar:nth-child(4) .bar-fill { transition-delay: 0.42s; }
.js .field:not(.is-in) .bar-fill { transform: scaleX(0); }
.bar-val { font-size: 0.95rem; color: var(--muted); text-align: right; }
.bar-us .bar-track { height: 16px; border-radius: 8px; }
.bar-us .bar-fill { background: linear-gradient(90deg, var(--navy-2), var(--ink)); }
:root[data-theme="dark"] .bar-us .bar-fill { background: linear-gradient(90deg, #6F8FC4, var(--navy-2)); }
.bar-us .bar-val { color: var(--ink); font-weight: 500; font-size: 1.1rem; }

.proof-notes { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: clamp(28px, 5vw, 72px); margin-top: clamp(72px, 9vw, 120px); align-items: center; }
.pull blockquote { font-family: var(--serif); font-style: italic; font-weight: 400; color: var(--ink); font-size: clamp(1.5rem, 1rem + 1.8vw, 2.4rem); line-height: 1.2; letter-spacing: -0.015em; position: relative; padding-left: 0.6em; text-wrap: balance; }
.pull blockquote::before { content: "“"; position: absolute; left: -0.1em; top: -0.12em; font-size: 1.6em; color: var(--rule-strong); }
.pull figcaption { margin-top: 16px; font-size: 0.85rem; color: var(--faint); padding-left: 1.2em; }
.facts { display: flex; flex-direction: column; border-top: 1px solid var(--rule-strong); }
.facts li { display: grid; grid-template-columns: 128px 1fr; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--rule); color: var(--muted); font-size: 0.95rem; }
.facts .mono { color: var(--ink); font-weight: 500; font-size: 0.9rem; }

/* ---------- Article V · watchtower ---------- */
.watch { background: var(--paper-2); }
.watch-grid { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); gap: clamp(36px, 6vw, 96px); align-items: center; }
.sources { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 32px; }
.sources li { font-size: 0.8rem; padding: 6px 10px; border: 1px solid var(--rule-strong); border-radius: 999px; color: var(--ink); background: var(--sheet); }
.tower { background: var(--sheet); border: 1px solid var(--rule); border-radius: 20px; box-shadow: var(--shadow-lg); overflow: hidden; }
.tower-head { display: flex; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--rule); }
.tower-body { display: grid; grid-template-columns: minmax(0, 1fr) 72px minmax(0, 1fr); gap: 16px; align-items: center; padding: 22px 20px 24px; min-height: 360px; }
.feed { display: flex; flex-direction: column; gap: 10px; min-height: 300px; justify-content: flex-start; }
.feed li {
  display: flex; flex-direction: column; gap: 3px; padding: 10px 12px; border: 1px solid var(--rule); border-radius: 10px; background: var(--paper);
  animation: feedIn 0.8s var(--ease) both;
}
.feed li.is-hit { border-color: color-mix(in srgb, var(--red) 45%, var(--rule)); }
.feed .f-time { font-family: var(--mono); font-size: 0.66rem; color: var(--faint); letter-spacing: 0.06em; }
.feed .f-text { font-size: 0.84rem; color: var(--ink); line-height: 1.35; }
.feed li.is-out { animation: feedOut 0.6s var(--ease) both; }
@keyframes feedIn { from { opacity: 0; transform: translateY(-12px); } to { opacity: 1; transform: none; } }
@keyframes feedOut { to { opacity: 0; transform: translateY(10px); height: 0; padding-block: 0; margin-top: -10px; border-width: 0; } }
.tower-bell { position: relative; display: grid; place-items: center; height: 84px; }
.bell { width: 64px; height: 64px; transform-origin: 50% 20%; }
.tower-bell.ringing .bell { animation: ring 0.9s var(--ease); }
@keyframes ring { 0% { transform: rotate(0); } 20% { transform: rotate(10deg); } 40% { transform: rotate(-8deg); } 60% { transform: rotate(5deg); } 80% { transform: rotate(-2deg); } 100% { transform: rotate(0); } }
.ring { position: absolute; left: 50%; top: calc(50% + 27px); width: 14px; height: 14px; margin: -7px 0 0 -7px; border-radius: 50%; border: 1.5px solid var(--red); opacity: 0; }
.tower-bell.ringing .r1 { animation: ripple 1.4s var(--ease) both; }
.tower-bell.ringing .r2 { animation: ripple 1.4s var(--ease) 0.25s both; }
@keyframes ripple { from { opacity: 0.9; transform: scale(1); } to { opacity: 0; transform: scale(5); } }
.files { display: flex; flex-direction: column; gap: 10px; }
.files li { display: grid; grid-template-columns: 1fr auto; gap: 2px 10px; padding: 11px 12px; border: 1px solid var(--rule); border-radius: 10px; transition: border-color 0.4s, background-color 0.4s; }
.f-name { font-size: 0.88rem; color: var(--ink); font-weight: 500; }
.f-meta { grid-row: 2; grid-column: 1 / -1; font-size: 0.74rem; color: var(--faint); }
.f-state { grid-row: 1; grid-column: 2; align-self: center; white-space: nowrap; display: inline-flex; align-items: center; gap: 6px; font-size: 0.72rem; font-family: var(--mono); color: var(--muted); }
.f-state::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--rule-strong); }
.files li.is-reopened { border-color: color-mix(in srgb, var(--red) 50%, var(--rule)); background: color-mix(in srgb, var(--red) 4%, var(--sheet)); }
.files li.is-reopened .f-state { color: var(--red); }
.files li.is-reopened .f-state::before { background: var(--red); }
.files li.is-redraft .f-state { color: var(--teal); }
.files li.is-redraft .f-state::before { background: var(--teal); }

/* ---------- Article VI · work ---------- */
.offers { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-top: clamp(48px, 6vw, 72px); }
.offer {
  position: relative; padding: 26px 22px 28px; background: var(--sheet); border: 1px solid var(--rule); border-radius: 16px;
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease), border-color 0.3s; overflow: hidden;
}
.offer::after { content: ""; position: absolute; left: 22px; right: 22px; bottom: 0; height: 2px; background: var(--ink); transform: scaleX(0); transform-origin: 0 50%; transition: transform 0.6s var(--ease); }
.offer:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--rule-strong); }
.offer:hover::after { transform: scaleX(1); }
.offer-no { font-size: 0.8rem; color: var(--faint); }
.offer h3 { margin-top: 26px; font-family: var(--serif); font-weight: 500; font-size: 1.3rem; color: var(--ink); line-height: 1.2; }
.offer p { margin-top: 12px; font-size: 0.93rem; color: var(--muted); }
.offer:nth-child(2) { --d: 0.06s; } .offer:nth-child(3) { --d: 0.12s; } .offer:nth-child(4) { --d: 0.18s; }
.trial {
  position: relative; overflow: hidden; margin-top: 28px; border-radius: 22px; background: var(--band); color: var(--band-text);
  display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: clamp(24px, 4vw, 64px); align-items: end;
  padding: clamp(28px, 5vw, 56px);
}
.trial::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: repeating-linear-gradient(-32deg, rgba(255,255,255,0.05) 0 1px, transparent 1px 9px);
  -webkit-mask-image: radial-gradient(60% 90% at 100% 0%, #000, transparent 70%); mask-image: radial-gradient(60% 90% at 100% 0%, #000, transparent 70%);
}
.trial .label { color: #9FB2D1; }
.trial h3 { margin-top: 14px; font-family: var(--serif); font-weight: 500; color: #FFFFFF; font-size: clamp(1.6rem, 1.1rem + 1.8vw, 2.5rem); line-height: 1.12; letter-spacing: -0.02em; text-wrap: balance; }
.trial-copy p { margin-top: 16px; max-width: 52ch; }
.trial-act { position: relative; display: flex; flex-direction: column; gap: 16px; align-items: flex-start; }
.trial-act p { font-size: 0.88rem; color: #A9B9D3; }

/* ---------- Article VII · name ---------- */
.name-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(36px, 6vw, 96px); align-items: center; }
.name-copy > p:not(.article-tag) { margin-top: 22px; color: var(--muted); max-width: 52ch; font-size: 1.06rem; }
.name-copy > p:last-child { color: var(--ink); font-family: var(--serif); font-size: 1.3rem; line-height: 1.4; }
.mark-explainer { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; justify-items: center; }
.mark-box { position: relative; width: min(100%, 400px); aspect-ratio: 1; }
.mark { width: 100%; height: 100%; }
.mx-ring { position: absolute; left: 50%; top: 90.4%; width: 11%; aspect-ratio: 1; transform: translate(-50%, -50%); border-radius: 50%; border: 2px solid var(--red); opacity: 0; pointer-events: none; }
.name.is-ringing .mx-ring { animation: ripple2 2.2s var(--ease) infinite; }
@keyframes ripple2 { 0% { opacity: 0.8; transform: translate(-50%, -50%) scale(1); } 80%, 100% { opacity: 0; transform: translate(-50%, -50%) scale(2.6); } }
.pin {
  position: absolute; left: var(--x); top: var(--y); width: 24px; height: 24px; margin: -12px 0 0 -12px; border-radius: 50%;
  display: grid; place-items: center; font-family: var(--mono); font-size: 0.7rem; font-weight: 500;
  background: var(--sheet); color: var(--ink); border: 1.5px solid var(--ink); box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  transition: transform 0.5s var(--ease), background-color 0.3s, color 0.3s, opacity 0.6s var(--ease);
}
.js .mark-explainer:not(.is-in) .pin { opacity: 0; transform: scale(0.4); }
.pin:nth-of-type(2) { transition-delay: 0.1s; } .pin:nth-of-type(3) { transition-delay: 0.2s; } .pin:nth-of-type(4) { transition-delay: 0.3s; } .pin:nth-of-type(5) { transition-delay: 0.4s; } .pin:nth-of-type(6) { transition-delay: 0.5s; } .pin:nth-of-type(7) { transition-delay: 0.6s; }
.pin.is-hot { transform: scale(1.28); transition-delay: 0s; box-shadow: 0 0 0 5px color-mix(in srgb, var(--sheet) 75%, transparent), 0 4px 14px rgba(0,0,0,0.22); }
.mark-legend { width: 100%; max-width: 460px; display: grid; grid-template-columns: 1fr; gap: 0; border-top: 1px solid var(--rule); }
.mark-legend li { display: flex; gap: 12px; align-items: baseline; padding: 10px 6px; border-bottom: 1px solid var(--rule); font-size: 0.92rem; color: var(--muted); cursor: default; transition: color 0.25s, background-color 0.25s; }
.mark-legend b { font-size: 0.74rem; color: var(--faint); font-weight: 500; }
.mark-legend li.is-hot { color: var(--ink); }
.mark-legend li.is-hot b { color: var(--ink); }

/* ---------- Declaration ---------- */
.declaration { background: var(--paper-2); }
.parchment {
  position: relative; max-width: 880px; margin: 0 auto; text-align: center;
  background: var(--sheet); border: 1px solid var(--rule-strong); border-radius: 6px;
  padding: clamp(40px, 7vw, 88px) clamp(22px, 6vw, 80px);
  box-shadow: var(--shadow-lg);
}
.parchment::before { content: ""; position: absolute; inset: 10px; border: 1px solid var(--rule); border-radius: 3px; pointer-events: none; }
.decl-title { margin-top: 18px; font-family: var(--serif); font-weight: 400; color: var(--ink); font-size: clamp(2rem, 1.2rem + 3vw, 3.6rem); letter-spacing: -0.025em; line-height: 1.08; }
.decl-title em { font-style: italic; white-space: nowrap; }
.tenets { margin: clamp(28px, 4vw, 44px) auto 0; max-width: 620px; }
.tenets li { font-family: var(--serif); font-size: clamp(1.15rem, 1rem + 0.7vw, 1.55rem); color: var(--text); padding: 12px 0; border-bottom: 1px solid var(--rule); line-height: 1.35; }
.tenets li:first-child { border-top: 1px solid var(--rule); }
.js .parchment .tenets li { opacity: 0; transform: translateY(10px); transition: opacity 0.9s var(--ease), transform 1s var(--ease); }
.js .parchment.is-in .tenets li { opacity: 1; transform: none; }
.parchment.is-in .tenets li:nth-child(2) { transition-delay: 0.12s; } .parchment.is-in .tenets li:nth-child(3) { transition-delay: 0.24s; }
.parchment.is-in .tenets li:nth-child(4) { transition-delay: 0.36s; } .parchment.is-in .tenets li:nth-child(5) { transition-delay: 0.48s; }
.decl-sign { display: flex; flex-direction: column; align-items: center; gap: 6px; margin: 36px auto 34px; }
.sig-decl { max-width: 240px; }
.sig-decl path { transition-delay: 0.9s; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--rule); padding: clamp(56px, 7vw, 88px) 0 40px; background: var(--paper); }
.foot-top { display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.foot-logo { height: 34px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 22px; font-size: 0.92rem; color: var(--muted); }
.foot-links a:hover { color: var(--ink); }
.foot-note { margin-top: 36px; max-width: 86ch; font-size: 0.85rem; color: var(--muted); line-height: 1.6; }
.sources-list { margin-top: 24px; padding-left: 20px; list-style: decimal; font-size: 0.78rem; color: var(--faint); line-height: 1.7; columns: 2 380px; column-gap: 40px; }
.sources-list li { break-inside: avoid; }
.sources-list a { color: var(--muted); text-decoration: underline; text-decoration-color: var(--rule-strong); text-underline-offset: 2px; }
.sources-list a:hover { color: var(--ink); }
.sources-list li:target { color: var(--ink); }
.foot-bottom { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--rule); display: flex; justify-content: space-between; gap: 16px; font-size: 0.82rem; color: var(--faint); }
.to-top { display: inline-flex; align-items: center; gap: 6px; }
.to-top .ico { transform: rotate(-90deg); }
.to-top:hover { color: var(--ink); }

/* ---------- Responsive ---------- */
@media (max-width: 1120px) {
  .nav-links { gap: 18px; }
  .traps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .offers { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 980px) {
  .nav-links, .nav-cta { display: none; }
  .menu-toggle { display: block; }
  .nav-actions { margin-left: auto; }
  .hero-grid { grid-template-columns: minmax(0, 1fr); grid-template-areas: "head" "copy" "visual"; }
  .hero-visual { max-width: 640px; }
  .entry-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .entry-strip > div { border-left: 0; padding-left: 0; border-top: 1px solid var(--rule); }
  .entry-strip > div:nth-child(-n+2) { border-top: 0; }
  .entry-strip > div:nth-child(even) { padding-left: 18px; border-left: 1px solid var(--rule); }
  .entry-strip > div:last-child { grid-column: 1 / -1; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat:nth-child(3) { padding-left: 0; border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--rule); }
  .story { display: block; margin-top: 32px; }
  .story-stage { position: sticky; top: var(--nav-h); height: calc(46vh + 22px); min-height: 320px; z-index: 2; margin: 0 calc(-1 * var(--gutter)); padding: 8px var(--gutter) 14px; background: linear-gradient(var(--paper-2) 90%, transparent); }
  .stage-frame { border-radius: 18px; }
  .step, .step:first-child, .step:last-child { min-height: 64vh; justify-content: flex-start; padding-top: 4vh; padding-bottom: 8vh; }
  .step:last-child { min-height: 50vh; }
  .scene { inset: 48px 16px 16px; }
  .file-intro { grid-template-columns: minmax(0, 1fr); }
  .explorer { grid-template-columns: minmax(0, 1fr); }
  .ex-tabs { flex-direction: row; overflow-x: auto; gap: 8px; padding: 2px 2px 8px; margin: 0 calc(-1 * var(--gutter)); padding-left: var(--gutter); padding-right: var(--gutter); scrollbar-width: none; scroll-snap-type: x mandatory; }
  .ex-tabs::-webkit-scrollbar { display: none; }
  .ex-tabs button { flex: none; grid-template-columns: auto auto; gap: 2px 8px; padding: 10px 14px; border-color: var(--rule); scroll-snap-align: start; }
  .ex-tabs button .ex-mini { grid-column: 1 / -1; }
  .ex-tabs button[aria-selected="true"]::before { display: none; }
  .ex-panels { min-height: 0; }
  .ex-panel { grid-template-columns: minmax(0, 1fr); }
  .headline-stats { grid-template-columns: minmax(0, 1fr); }
  .hs + .hs { padding-left: 0; border-left: 0; border-top: 1px solid var(--rule); }
  .hs { padding-bottom: 24px; }
  .answer-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); --dot: 9px; --gap: 3px; }
  .field, .proof-notes, .watch-grid, .name-grid, .trial { grid-template-columns: minmax(0, 1fr); }
  .trial { align-items: start; }
  .mark-explainer { margin-top: 8px; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .logo { height: 30px; }
  .hero-ctas .btn { flex: 1 1 auto; }
  .hero-proof { align-items: flex-start; }
  .file-card { padding: 18px 16px 14px; }
  .fc-head { flex-direction: column; gap: 12px; }
  .fc-rows li { grid-template-columns: 104px minmax(0, 1fr) 18px; }
  .fc-r { display: none; }
  .js .fc-rows li::after { left: 116px; }
  .receipt-float { margin: -14px 10px 0 auto; width: auto; max-width: 92%; }
  .js .hero-visual.is-done .receipt-float { animation: none; }
  .hero-title em { white-space: normal; }
  .hero-title em::after { display: none; }
  .entry-strip { grid-template-columns: minmax(0, 1fr); }
  .entry-strip > div, .entry-strip > div:nth-child(even) { padding-left: 0; border-left: 0; border-top: 1px solid var(--rule); display: grid; grid-template-columns: 120px 1fr; gap: 10px; padding-block: 12px; }
  .entry-strip > div:first-child { border-top: 0; }
  .entry-strip dt { margin-bottom: 0; }
  .stats { grid-template-columns: minmax(0, 1fr); }
  .stat, .stat + .stat { padding-left: 0; border-left: 0; padding-right: 0; }
  .stat + .stat { border-top: 1px solid var(--rule); }
  .traps { grid-template-columns: minmax(0, 1fr); }
  .story-stage { height: calc(44vh + 22px); }
  .offers { grid-template-columns: minmax(0, 1fr); }
  .tower-body { grid-template-columns: minmax(0, 1fr); min-height: 0; }
  .feed { min-height: 236px; }
  .tower-bell { height: 70px; }
  .facts li { grid-template-columns: 1fr; gap: 2px; }
  .foot-bottom { flex-direction: column; }
  .answer-grid { --dot: 9px; --gap: 3px; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 16px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; transition-delay: 0s !important; scroll-behavior: auto !important; }
  .js .reveal, .js [data-hero], .js .hero-title [data-hero] { opacity: 1; transform: none; filter: none; }
  .team-pulses { display: none; }
}

/* Anchors land below the fixed nav when smooth scrolling is off */
section[id] { scroll-margin-top: var(--nav-h); }