/* Ravensgate Group: site styles. Tokens come from his own assets (see ../DESIGN-NOTES.md). */
:root {
  --ink: #0b0c0e;          /* his icon background (#07090b), lifted a touch for screens */
  --ink-2: #12151b;        /* slate from the architecture banner; second dark surface */
  --ink-3: #1b2029;        /* raised dark surface, hairlines on dark */
  --ivory: #f1ede5;        /* his lockup ivory */
  --paper: #f4f1eb;        /* light sections: his ivory, one step lighter */
  --text: #16181c;
  --muted: #5b5f66;
  --muted-dark: #a7abb2;   /* secondary text on dark */
  --rule: #d9d3c7;         /* hairline on light */
  --rule-dark: #2a303a;    /* hairline on dark */
  --brass: #a8936a;        /* the thin rules beside GROUP in his banner; hairlines only */
  --serif: "Cormorant Garamond", "Cormorant", Garamond, "Times New Roman", serif;
  --sans: "Hanken Grotesk", "Helvetica Neue", Arial, sans-serif;
  --gutter: clamp(16px, 4.2vw, 64px);
  --max: 1240px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
a { color: inherit; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- Header ---------- */
.site-header {
  background: var(--ink);
  color: var(--ivory);
  border-bottom: 1px solid var(--rule-dark);
  position: sticky; top: 0; z-index: 20;
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 84px; gap: 24px; }
.lockup { display: flex; align-items: center; gap: 16px; text-decoration: none; color: var(--ivory); }
.lockup img { height: 38px; width: auto; }
.lockup .bar { width: 1px; height: 40px; background: rgba(241,237,229,.55); }
.lockup .words { display: flex; flex-direction: column; align-items: center; line-height: 1; }
.lockup .name { font-family: var(--serif); font-weight: 500; font-size: 22px; letter-spacing: .16em; margin-right: -.16em; }
.lockup .group {
  display: flex; align-items: center; gap: 8px; margin-top: 6px;
  font-family: var(--serif); font-size: 10.5px; letter-spacing: .55em; margin-right: -.55em; font-weight: 600;
}
.lockup .group::before, .lockup .group::after { content: ""; width: 22px; height: 1px; background: var(--brass); }

.nav { display: flex; align-items: center; gap: 30px; }
.nav a, .nav .nav-inert {
  font: 400 15px/1 var(--sans); color: rgba(241,237,229,.82); text-decoration: none;
  padding: 8px 0; border-bottom: 1px solid transparent; background: none; border-top: 0; border-left: 0; border-right: 0;
}
.nav a:hover { color: var(--ivory); }
.nav a[aria-current]:not(.btn) { color: var(--ivory); border-bottom-color: var(--brass); }
/* People: shown as a tab, does nothing on click (his 18 Oct choice, W5). */
.nav .nav-inert { cursor: pointer; }
.nav .nav-inert:hover { color: var(--ivory); }
.btn {
  position: relative; isolation: isolate; /* no overflow:hidden: its clip is not pixel-snapped and let the dark page show through the bottom border at some zooms */
  display: inline-flex; align-items: center; justify-content: center; gap: 14px;
  font: 500 14.5px/18px var(--sans); /* whole-pixel line box keeps the button height whole */ letter-spacing: .02em; text-decoration: none;
  padding: 16px 24px 16px 26px; border: 1px solid currentColor; cursor: pointer; background: transparent; color: inherit;
  transition: color .35s ease, border-color .35s ease, background-color .35s ease;
}
.btn .arr { width: 18px; height: 10px; flex: none; transition: transform .35s cubic-bezier(.2,.7,.2,1); }
.btn:hover .arr, .btn:focus-visible .arr { transform: translateX(4px); }
.btn:focus-visible { outline: 1px solid var(--brass); outline-offset: 3px; }
/* Primary: ivory, with a thin brass rule as its bottom border (round 3: the rule used to sit inside an ivory hairline, which read as dark showing along the bottom); on hover an ink panel slides in from the left and the whole border turns brass. */
.btn-solid { background: var(--ivory); color: var(--ink); border-color: var(--ivory); border-bottom: 2px solid var(--brass); padding-bottom: 15px; }
.btn-solid::before {
  content: ""; position: absolute; inset: 0; z-index: -1; background: var(--ink-2);
  transform: scaleX(0); transform-origin: left center; transition: transform .45s cubic-bezier(.2,.7,.2,1);
}
.btn-solid:hover, .btn-solid:focus-visible { color: var(--ivory); border-color: var(--brass); }
.btn-solid:hover::before, .btn-solid:focus-visible::before { transform: scaleX(1); }
.btn-line { border-color: rgba(241,237,229,.4); }
.btn-line:hover { background: rgba(241,237,229,.06); border-color: var(--ivory); }
.btn-ink { background: var(--ink); color: var(--ivory); border-color: var(--ink); border-bottom: 2px solid var(--brass); padding-bottom: 15px; }
.btn-ink::before { content: ""; position: absolute; inset: 0; z-index: -1; background: var(--ink-3); transform: scaleX(0); transform-origin: left center; transition: transform .45s cubic-bezier(.2,.7,.2,1); }
.btn-ink:hover::before, .btn-ink:focus-visible::before { transform: scaleX(1); }
.nav a.btn { padding: 12px 18px 11px 20px; margin-left: 6px; color: var(--ink); background: var(--ivory); border: 1px solid var(--ivory); border-bottom: 2px solid var(--brass); }
.nav a.btn:hover, .nav a.btn:focus-visible { color: var(--ivory); border-color: var(--brass); }

.menu-toggle { display: none; background: none; border: 0; color: var(--ivory); font: 500 13px/1 var(--sans); letter-spacing: .2em; text-transform: uppercase; cursor: pointer; padding: 10px 0; }

/* ---------- Type ---------- */
.eyebrow { font: 500 12px/1.5 var(--sans); letter-spacing: .2em; text-transform: uppercase; color: var(--muted); margin: 0 0 22px; }
.dark .eyebrow, .dark-2 .eyebrow { color: var(--muted-dark); }
h1, h2, h3, .stat .figure { font-variant-numeric: lining-nums; }
h1, h2, h3 { font-family: var(--serif); font-weight: 500; letter-spacing: -.005em; margin: 0; }
h1 { font-size: clamp(44px, 6.4vw, 84px); line-height: 1.02; }
h2 { font-size: clamp(32px, 3.6vw, 48px); line-height: 1.1; }
h3 { font-size: clamp(24px, 2.2vw, 30px); line-height: 1.2; }
.lede { font-size: clamp(18px, 1.5vw, 20px); line-height: 1.6; max-width: 36em; color: var(--muted); }
.dark .lede, .dark-2 .lede { color: rgba(241,237,229,.78); }
p { margin: 0 0 1.1em; }

/* ---------- Sections ---------- */
.dark { background: var(--ink); color: var(--ivory); }
.dark-2 { background: var(--ink-2); color: var(--ivory); }
section { padding: clamp(72px, 10vw, 128px) 0; }
main > section[id] { scroll-margin-top: 84px; }
.hero { padding: clamp(84px, 13vw, 168px) 0 clamp(72px, 10vw, 128px); }
.hero h1 { max-width: 13.5em; margin-bottom: 34px; }
.hero .lede { margin-bottom: 44px; }
.hero .lede-lead { margin-bottom: 20px; }
.hero .cta-row { display: flex; gap: 14px; flex-wrap: wrap; }

.band { padding: 0; background: var(--ink); height: clamp(260px, 34vw, 620px); overflow: hidden; }
.band picture, .band img, .photo-bg picture, .photo-bg img { display: block; width: 100%; height: 100%; }
.band img { object-fit: cover; object-position: 50% 45%; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 7vw, 112px); align-items: start; }
.split > .col-rule { border-left: 1px solid var(--rule); padding-left: clamp(24px, 3.4vw, 48px); }
.dark .split > .col-rule { border-left-color: var(--rule-dark); }

.rows { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.rows li { border-bottom: 1px solid var(--rule); }
.rows a, .rows .row { display: flex; justify-content: space-between; align-items: center; padding: 18px 0; text-decoration: none; font-size: 17px; }
.rows a .arrow { transition: transform .2s ease; }
.rows a:hover .arrow { transform: translateX(4px); }
.note { font-size: 14px; color: var(--muted); margin-top: 18px; }
.dark .note, .dark-2 .note { color: var(--muted-dark); }

.stat { display: grid; grid-template-columns: auto 1fr; gap: clamp(28px, 5vw, 72px); align-items: end; border-top: 1px solid var(--rule-dark); padding-top: 44px; }
.stat .figure { font-family: var(--serif); font-weight: 400; font-size: clamp(80px, 11vw, 148px); line-height: .85; letter-spacing: -.02em; }
.stat .figure sup { font-size: .25em; vertical-align: top; position: relative; top: .35em; color: var(--muted-dark); margin-left: 4px; }
.stat .what { font-family: var(--serif); font-size: clamp(24px, 2.4vw, 32px); line-height: 1.25; max-width: 22em; margin: 0; }
.stat .footnote { grid-column: 1 / -1; font-size: 13px; color: var(--muted-dark); margin: 0; letter-spacing: .02em; }

.principles { border-top: 1px solid var(--rule); margin-top: 48px; }
.principle { display: grid; grid-template-columns: minmax(180px, 1fr) 2.6fr; gap: 32px; padding: 30px 0; border-bottom: 1px solid var(--rule); }
.principle .label { font: 500 12.5px/1.6 var(--sans); letter-spacing: .18em; text-transform: uppercase; color: var(--muted); padding-top: 3px; }
.principle p { margin: 0; max-width: 40em; }

.sides { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--rule-dark); }
.sides > div { padding: 40px 0 8px; }
.sides > div + div { border-left: 1px solid var(--rule-dark); padding-left: clamp(24px, 4vw, 56px); }
.sides > div:first-child { padding-right: clamp(24px, 4vw, 56px); }
.sides h3 { margin-bottom: 14px; }
.sides p { color: rgba(241,237,229,.8); margin: 0; }

.actfor { border-top: 1px solid var(--rule); }
.actfor article { display: grid; grid-template-columns: 1fr 1.5fr; gap: clamp(24px, 5vw, 80px); padding: 40px 0; border-bottom: 1px solid var(--rule); scroll-margin-top: 100px; }
.actfor .tag { font: 500 12px/1.5 var(--sans); letter-spacing: .2em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }
.actfor h3 { max-width: 14em; }
.actfor p { margin: 0; max-width: 34em; font-size: 18px; }

.person { display: grid; grid-template-columns: 1fr 1.6fr; gap: clamp(32px, 6vw, 96px); }
.person .role { font: 500 12.5px/1.6 var(--sans); letter-spacing: .18em; text-transform: uppercase; color: var(--muted); margin-top: 10px; }

.close h2 { max-width: 16em; margin-bottom: 36px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: clamp(40px, 7vw, 112px); margin-top: 56px; }
.direct dl { margin: 0; border-top: 1px solid var(--rule); }
.direct dt { font: 500 12px/1.5 var(--sans); letter-spacing: .2em; text-transform: uppercase; color: var(--muted); padding-top: 22px; }
.direct dd { margin: 6px 0 0; padding-bottom: 22px; border-bottom: 1px solid var(--rule); font-family: var(--serif); font-size: 24px; }
.direct dd a { text-decoration: none; border-bottom: 1px solid var(--rule); }
.direct dd a:hover { border-bottom-color: var(--text); }
form .field { margin-bottom: 22px; }
form label { display: block; font: 500 12px/1.5 var(--sans); letter-spacing: .18em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
form input, form select, form textarea {
  width: 100%; font: 400 17px/1.5 var(--sans); color: var(--text); background: transparent;
  border: 0; border-bottom: 1px solid #b9b2a4; padding: 10px 0; border-radius: 0; -webkit-appearance: none; appearance: none;
}
form select { background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 12px) 55%, calc(100% - 7px) 55%; background-size: 5px 5px; background-repeat: no-repeat; }
form textarea { min-height: 140px; resize: vertical; border: 1px solid #b9b2a4; padding: 12px; }
form input:focus, form select:focus, form textarea:focus { outline: none; border-color: var(--ink); }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.hp { position: absolute; left: -9999px; }
.form-note { font-size: 13.5px; color: var(--muted); margin-top: 16px; }

/* ---------- Open slots (visible on purpose until filled; see README) ---------- */
.slot { font-family: var(--sans); font-size: .8em; letter-spacing: .02em; color: #8a5a00; background: #f6ecd2; border: 1px dashed #c9a24a; padding: 2px 8px; }
.dark .slot, .site-footer .slot { color: #e7cf91; background: rgba(201,162,74,.12); border-color: rgba(201,162,74,.6); }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: var(--ivory); padding: 72px 0 40px; }
.foot-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid var(--rule-dark); }
.foot-top img { height: 120px; width: auto; }
.foot-top h4 { font: 500 12px/1.5 var(--sans); letter-spacing: .2em; text-transform: uppercase; color: var(--muted-dark); margin: 0 0 18px; }
.foot-top ul { list-style: none; padding: 0; margin: 0; }
.foot-top li { margin-bottom: 10px; }
.foot-top a, .foot-top .nav-inert { text-decoration: none; color: rgba(241,237,229,.85); font: 400 15.5px/1.5 var(--sans); background: none; border: 0; padding: 0; cursor: pointer; }
.foot-top a:hover { color: var(--ivory); }
.foot-legal { padding-top: 28px; font-size: 13px; color: var(--muted-dark); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
.foot-legal p { margin: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .nav { display: none; }
  .menu-toggle { display: block; }
  .site-header.open .nav {
    display: flex; flex-direction: column; align-items: flex-start; gap: 6px;
    position: absolute; top: 84px; left: 0; right: 0; background: var(--ink); padding: 18px var(--gutter) 28px; border-bottom: 1px solid var(--rule-dark);
  }
  .site-header.open .nav a, .site-header.open .nav .nav-inert { font-size: 19px; padding: 10px 0; }
  .site-header.open .nav a.btn { margin-left: 0; margin-top: 12px; font-size: 15px; padding: 14px 22px 13px; }
  .split, .contact-grid, .person, .actfor article { grid-template-columns: 1fr; }
  .split > .col-rule { border-left: 0; padding-left: 0; }
  .principle { grid-template-columns: 1fr; gap: 10px; }
  .foot-top { grid-template-columns: 1fr 1fr; }
  .foot-top > div:first-child { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  body { font-size: 16.5px; }
  .site-header .wrap { height: 72px; }
  .site-header.open .nav { top: 72px; }
  .lockup img { height: 30px; }
  .lockup .bar { height: 32px; }
  .lockup .name { font-size: 17px; }
  .lockup .group { font-size: 9px; }
  .lockup .group::before, .lockup .group::after { width: 14px; }
  .sides { grid-template-columns: 1fr; }
  .sides > div + div { border-left: 0; padding-left: 0; border-top: 1px solid var(--rule-dark); }
  .stat { grid-template-columns: 1fr; gap: 18px; }
  .two { grid-template-columns: 1fr; gap: 0; }
  .hero .cta-row .btn { width: 100%; text-align: center; }
}

/* ---------- One-page additions (18 Oct, second round) ---------- */
.hero { position: relative; overflow: hidden; }
.hero .wrap { position: relative; z-index: 1; }

.intro-text { display: grid; grid-template-columns: 1fr 1.25fr; gap: clamp(40px, 7vw, 112px); align-items: start; }
.intro-text h2 { max-width: 13em; }
.intro-text .lede { color: var(--text); max-width: none; }
.intro-text .lede + .lede { color: var(--muted); }

.caps { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: clamp(56px, 7vw, 96px); border-top: 1px solid var(--rule); }
.cap { padding: 34px clamp(20px, 2.6vw, 40px) 38px 0; border-bottom: 1px solid var(--rule); }
.cap:not(:nth-child(3n+1)) { padding-left: clamp(20px, 2.6vw, 40px); border-left: 1px solid var(--rule); }
.cap .num { font: 500 12px/1 var(--sans); letter-spacing: .2em; color: var(--brass); margin-bottom: 18px; }
.cap h3 { margin-bottom: 12px; }
.cap p { margin: 0; color: var(--muted); max-width: 26em; }

/* Stat card over a skyscraper photo with a translucent brand-colour wash. */
.photo-bg { position: relative; overflow: hidden; background: var(--ink-2); padding: clamp(96px, 13vw, 176px) 0; }
.photo-bg picture { position: absolute; inset: 0; }
.photo-bg img { object-fit: cover; object-position: 50% 50%; filter: grayscale(.35); }
.photo-bg::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(11,12,14,.55) 0%, rgba(18,21,27,.30) 45%, rgba(11,12,14,.70) 100%),
    linear-gradient(90deg, rgba(18,21,27,.80) 0%, rgba(18,21,27,.55) 60%, rgba(168,147,106,.22) 100%);
}
.photo-bg .wrap { position: relative; z-index: 1; }
.stat-card {
  max-width: 980px; padding: clamp(32px, 4.5vw, 64px);
  background: rgba(11,12,14,.62); border: 1px solid rgba(241,237,229,.14);
  -webkit-backdrop-filter: blur(3px); backdrop-filter: blur(3px);
}
.stat-card .stat { border-top: 0; padding-top: 0; }
.stat-card .eyebrow { color: var(--muted-dark); }

.leader { border-top: 1px solid var(--rule-dark); padding-top: 48px; }

.actfor .tag { color: var(--brass); }

.intro-text.intro-actfor { grid-template-columns: 1fr 1.5fr; gap: clamp(24px, 5vw, 80px); } /* round 3: same columns as the rows below, so the owners line starts where their descriptions start */
.intro-actfor + .actfor { margin-top: 56px; }

.contact-sec { border-top: 1px solid var(--rule); }
.contact-sec .contact-grid { margin-top: 48px; }

/* ---------- Opening animation (see DESIGN-NOTES) ---------- */
.splash { display: none; }
html.intro .splash {
  display: flex; position: fixed; inset: 0; z-index: 100; background: var(--ink); color: var(--ivory);
  flex-direction: column; align-items: center; justify-content: center; gap: 26px; cursor: pointer;
  animation: splash-out .6s cubic-bezier(.4,0,.2,1) 1.85s forwards;
}
.splash .mark { position: relative; width: 96px; height: auto; }
.splash .mark img { width: 100%; height: auto; clip-path: inset(100% 0 0 0); animation: mark-draw .9s cubic-bezier(.6,0,.2,1) .1s forwards; }
.splash .mark::after { /* a soft light that passes over the mark as it finishes, like Harrington's pen tip */
  content: ""; position: absolute; inset: -10% -40%; background: linear-gradient(100deg, transparent 40%, rgba(241,237,229,.55) 50%, transparent 60%);
  mix-blend-mode: overlay; transform: translateX(-60%); opacity: 0; animation: glint .8s ease .75s forwards;
}
.splash .rule { width: 180px; height: 1px; background: var(--brass); transform: scaleX(0); animation: rule-grow .7s cubic-bezier(.6,0,.2,1) .55s forwards; }
.splash .words { display: flex; flex-direction: column; align-items: center; line-height: 1; }
.splash .name { font-family: var(--serif); font-weight: 500; font-size: clamp(26px, 3.2vw, 38px); letter-spacing: .5em; margin-right: -.5em; clip-path: inset(0 50% 0 50%); animation: word-open 1s cubic-bezier(.6,0,.2,1) .7s forwards; }
.splash .group { display: flex; align-items: center; gap: 10px; margin-top: 12px; font-family: var(--serif); font-weight: 600; font-size: 12px; letter-spacing: .55em; margin-right: -.55em; opacity: 0; animation: fade-in .6s ease 1.25s forwards; }
.splash .group::before, .splash .group::after { content: ""; width: 26px; height: 1px; background: var(--brass); }
html.intro .site-header { opacity: 0; animation: fade-in .6s ease 2.2s forwards; }
html.intro .hero .rise { opacity: 0; transform: translateY(18px); animation: rise .9s cubic-bezier(.2,.7,.2,1) forwards; }
html.intro .hero .rise:nth-child(1) { animation-delay: 2.05s; }
html.intro .hero .rise:nth-child(2) { animation-delay: 2.15s; }
html.intro .hero .rise:nth-child(3) { animation-delay: 2.3s; }
html.intro .hero .rise:nth-child(4) { animation-delay: 2.45s; }
html.intro .hero .rise:nth-child(5) { animation-delay: 2.6s; }
@keyframes mark-draw { to { clip-path: inset(0 0 0 0); } }
@keyframes glint { 0% { opacity: 1; transform: translateX(-60%); } 100% { opacity: 0; transform: translateX(60%); } }
@keyframes rule-grow { to { transform: scaleX(1); } }
@keyframes word-open { to { clip-path: inset(0 0 0 0); letter-spacing: .2em; margin-right: -.2em; } }
@keyframes fade-in { to { opacity: 1; } }
@keyframes splash-out { to { opacity: 0; visibility: hidden; transform: translateY(-12px); } }
@keyframes rise { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  html.intro .splash { display: none; }
  html.intro .site-header, html.intro .hero .rise { animation: none; opacity: 1; transform: none; }
  .btn, .btn::before, .btn .arr { transition: none; }
}

@media (max-width: 960px) {
  .intro-text { grid-template-columns: 1fr; gap: 28px; }
  .caps { grid-template-columns: 1fr 1fr; }
  .cap:not(:nth-child(3n+1)) { padding-left: 0; border-left: 0; }
  .cap:nth-child(2n) { padding-left: clamp(20px, 2.6vw, 40px); border-left: 1px solid var(--rule); }
}
@media (max-width: 760px) {
  .band { height: auto; aspect-ratio: 16 / 10; }
}
@media (max-width: 640px) {
  main > section[id] { scroll-margin-top: 72px; }
  .caps { grid-template-columns: 1fr; }
  .cap, .cap:nth-child(2n) { padding: 28px 0; border-left: 0; }
  .photo-bg::after { background: linear-gradient(180deg, rgba(11,12,14,.55) 0%, rgba(18,21,27,.45) 50%, rgba(11,12,14,.75) 100%), linear-gradient(0deg, rgba(168,147,106,.16), rgba(168,147,106,0)); }
  .hero .cta-row .btn { justify-content: space-between; }
}

/* ---------- Logo wall (21 Oct) ---------- */
/* Directly under the hero, on the same ink, behind a hairline: no title, no caption (his instruction).
   Files are already ivory (assets/img/logos/); opacity keeps them quiet. Heights in index.html (--h) even out
   optical weight: wide wordmarks sit lower, solid square marks a little smaller than open ones. */
.logo-wall { padding: 0; }
.logo-wall .wrap > .logo-viewport { border-top: 1px solid var(--rule-dark); }
.logo-viewport {
  overflow: hidden; padding: clamp(30px, 3.6vw, 44px) 0 clamp(34px, 4vw, 52px);
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 8%, #000 92%, transparent 100%);
          mask-image: linear-gradient(90deg, transparent 0, #000 8%, #000 92%, transparent 100%);
}
.logo-track { display: flex; width: max-content; }
.logo-list { display: flex; align-items: center; list-style: none; margin: 0; padding: 0; }
.logo-list li { flex: none; display: flex; align-items: center; justify-content: center; height: 48px; margin-right: clamp(56px, 6vw, 88px); }
.logo-list img { height: var(--h); width: auto; max-width: none; opacity: .62; }
@media (prefers-reduced-motion: no-preference) {
  .logo-track { animation: logo-scroll 70s linear infinite; }
  .logo-viewport:hover .logo-track { animation-play-state: paused; }
}
@keyframes logo-scroll { to { transform: translateX(-50%); } }
@media (max-width: 640px) {
  .logo-list li { height: 40px; margin-right: 44px; }
  .logo-list img { height: calc(var(--h) * .84); }
  .logo-track { animation-duration: 55s; }
}
@media (prefers-reduced-motion: reduce) {
  /* No movement: one static, centred, wrapping grid. */
  .logo-viewport { -webkit-mask-image: none; mask-image: none; }
  .logo-track { width: auto; }
  .logo-dup { display: none; }
  .logo-list { flex-wrap: wrap; justify-content: center; row-gap: 28px; width: 100%; }
  .logo-list li { margin: 0 clamp(18px, 3vw, 40px); }
}

/* ---------- Privacy notice (21 Oct) ---------- */
.page-head { padding: clamp(64px, 9vw, 112px) 0 clamp(48px, 7vw, 80px); }
.page-head h1 { margin-bottom: 0; }
.prose { max-width: calc(40em + 2 * var(--gutter)); }
.prose h2 { font-size: clamp(24px, 2.2vw, 30px); margin: 40px 0 10px; }
.prose p { margin: 0 0 14px; }
.prose a { text-decoration-color: var(--brass); text-underline-offset: 3px; }
.prose .updated { margin-top: 44px; font-size: 14px; color: var(--muted); }
.form-note a { text-underline-offset: 3px; }