/* PREFORM public site. Colours are the Brand Lock tokens only. Dark by design: Ground is true black. */
@font-face {
  font-family: "Archivo PF";
  src: url("/assets/fonts/archivo-800-wdth100-125.v1.woff2") format("woff2");
  font-weight: 800;
  font-stretch: 100% 125%;
  font-style: normal;
  font-display: swap;
}

:root {
  --ground: #000000;
  --paper: #F3F5F8;
  --amber: #E67300;        /* Amber Light: text, hairlines, anything used as light */
  --amber-paint: #CC660F;  /* Amber Paint: filled shapes, button fills */
  --ink-78: rgba(243, 245, 248, .78);
  --ink-62: rgba(243, 245, 248, .62);
  --ink-24: rgba(243, 245, 248, .24);
  --ink-14: rgba(243, 245, 248, .14);
  --ink-06: rgba(243, 245, 248, .06);
  --display: "Archivo PF", "Arial Black", "Helvetica Neue", Arial, sans-serif;
  --ui: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
  --wrap: 1120px;
  --gutter: 16px;
  --radius: 10px;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--paper);
  font: 400 1.0625rem/1.6 var(--ui);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--paper); text-decoration-color: var(--ink-24); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--amber); }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 3px; border-radius: 4px; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.narrow { max-width: 760px; }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip {
  position: absolute; left: 8px; top: -60px; z-index: 10;
  background: var(--paper); color: var(--ground); font-weight: 700;
  padding: 10px 16px; border-radius: 0 0 8px 8px; text-decoration: none;
}
.skip:focus { top: 0; }

/* Header */
.site-header { border-bottom: 1px solid var(--ink-14); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
.brand { display: inline-flex; align-items: center; padding: 8px 0; text-decoration: none; }
.brand img { height: 20px; width: auto; }               /* PRE mark, cap 20px */
.site-nav ul { display: flex; gap: 18px; list-style: none; }
.site-nav a { font-size: .9375rem; font-weight: 600; text-decoration: none; color: var(--ink-78); padding: 10px 0; display: inline-block; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--paper); }
.site-nav a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--amber); }
@media (min-width: 400px) {
  .brand img { height: 16.9px; }                         /* wordmark 150px wide, cap 16.3px: above the 1x channel floor */
}
@media (min-width: 768px) {
  .site-nav ul { gap: 28px; }
}

/* Type */
.kicker {
  margin: 0 0 14px; font: 700 .75rem/1.2 var(--ui); letter-spacing: .18em; text-transform: uppercase; color: var(--amber);
}
h1, h2, h3 { margin: 0; font-family: var(--display); font-weight: 800; color: var(--paper); overflow-wrap: break-word; }
.display {
  font-stretch: 125%;
  font-size: clamp(2.125rem, 1rem + 3.9vw, 3.75rem);
  line-height: 1.02;
  letter-spacing: -0.015em;
}
h2 { font-stretch: 112%; font-size: clamp(1.625rem, 1.15rem + 2vw, 2.5rem); line-height: 1.08; letter-spacing: -0.01em; }
h3 { font-stretch: 100%; font-size: 1.1875rem; line-height: 1.25; }
.display + .lede { margin-top: 18px; }
.lede { font-size: clamp(1.125rem, 1rem + .5vw, 1.375rem); line-height: 1.5; color: var(--ink-78); max-width: 40em; }
.muted { color: var(--ink-62); }
.small { font-size: .875rem; line-height: 1.55; }
.serif-line { font-family: var(--serif); font-style: italic; font-weight: 400; font-size: clamp(1.375rem, 1.1rem + 1.2vw, 2rem); color: var(--paper); margin: 0; }

/* Buttons */
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.cta-row + .small { margin-top: 14px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 50px; padding: 0 24px; border-radius: var(--radius);
  font: 700 1rem/1.2 var(--ui); letter-spacing: .01em; text-decoration: none; text-align: center;
  border: 1px solid transparent; transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}
@media (max-width: 599px) { .cta-row .btn { flex: 1 1 auto; } }
.btn-primary { background: var(--amber-paint); color: var(--ground); border-color: var(--amber-paint); }
.btn-primary:hover { background: var(--amber); border-color: var(--amber); }
.btn-primary:focus-visible { outline-color: var(--paper); }
.btn-ghost { background: transparent; color: var(--paper); border-color: var(--ink-24); }
.btn-ghost:hover { border-color: var(--paper); }
.arrow::after { content: "\2192"; font-family: var(--ui); }
.text-link { font-weight: 700; text-decoration: none; display: inline-flex; gap: 8px; align-items: center; padding: 6px 0; }
.text-link:hover { color: var(--amber); }

/* Hero */
.hero {
  padding: 48px 0 56px;
  background: radial-gradient(70% 60% at 50% -10%, rgba(230, 115, 0, .16), rgba(230, 115, 0, 0) 70%);
}
.hero .wm { width: min(100%, 880px); height: auto; margin: 8px 0 36px; overflow: visible; }
.hero-page { padding: 44px 0 48px; background: radial-gradient(60% 70% at 15% -20%, rgba(230, 115, 0, .14), rgba(230, 115, 0, 0) 70%); }
@media (min-width: 768px) {
  .hero { padding: 80px 0 88px; }
  .hero-page { padding: 72px 0 72px; }
}
.wm .gl { transform-box: fill-box; transform-origin: 50% 50%; }

/* Sections */
.section { padding: 56px 0; border-top: 1px solid var(--ink-14); }
.section-head { margin-bottom: 32px; max-width: 46em; }
.section-head p:not(.kicker) { margin-top: 14px; color: var(--ink-78); }
@media (min-width: 768px) { .section { padding: 80px 0; } }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 0 28px; list-style: none; }
.tile { padding: 20px 0 22px; border-top: 1px solid var(--ink-14); }
.tile .num { display: block; font: 700 .75rem/1 var(--ui); letter-spacing: .14em; color: var(--amber); margin-bottom: 12px; }
.tile p { margin: 8px 0 0; color: var(--ink-78); font-size: 1rem; }

.split { display: grid; gap: 20px; }
@media (min-width: 768px) { .split { grid-template-columns: 1fr 1fr; gap: 28px; } }
.panel { border: 1px solid var(--ink-14); border-radius: 14px; padding: 28px 22px; background: var(--ink-06); }
@media (min-width: 768px) { .panel { padding: 36px 32px; } }
.panel h2 { margin-bottom: 18px; }
.ticks { list-style: none; margin: 0 0 22px; }
.ticks li { position: relative; padding: 10px 0 10px 22px; border-top: 1px solid var(--ink-14); color: var(--ink-78); }
.ticks li:first-child { border-top: 0; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 1.15em; width: 10px; height: 2px; background: var(--amber); }

.facts { display: grid; gap: 0 28px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); list-style: none; }
.facts li { padding: 20px 0; border-top: 1px solid var(--ink-14); }
.facts h3 { margin-bottom: 8px; }
.facts p { margin: 0; color: var(--ink-78); font-size: 1rem; }

.steps { list-style: none; display: grid; gap: 0 28px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); counter-reset: step; }
.steps li { counter-increment: step; padding: 20px 0; border-top: 1px solid var(--ink-14); }
.steps li::before { content: "0" counter(step); display: block; font: 700 .75rem/1 var(--ui); letter-spacing: .14em; color: var(--amber); margin-bottom: 12px; }
.steps p { margin: 8px 0 0; color: var(--ink-78); font-size: 1rem; }

.roles { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 0 28px; }
.roles li { padding: 18px 0; border-top: 1px solid var(--ink-14); }
.roles p { margin: 6px 0 0; color: var(--ink-78); font-size: 1rem; }

.closer { text-align: left; }
.closer .serif-line { margin-bottom: 8px; }

.notice {
  border: 1px solid rgba(230, 115, 0, .45); background: rgba(230, 115, 0, .08);
  border-radius: 14px; padding: 22px 20px; margin: 0 0 8px;
}
.notice h2 { font-stretch: 100%; font-size: 1.375rem; margin-bottom: 10px; }
.notice .cta-row { margin-top: 16px; }
.prose h2 { font-size: 1.5rem; font-stretch: 100%; margin: 40px 0 12px; }
.prose p, .prose li { color: var(--ink-78); }
.prose ul { padding-left: 1.2em; margin: 0 0 1em; }
.prose li { margin: 6px 0; }
.sign { margin-top: 24px; color: var(--ink-78); }
.sign strong { color: var(--paper); }

/* Links page */
.links-page { min-height: 100vh; display: flex; flex-direction: column; }
.links-main {
  flex: 1; padding: 48px 0 40px;
  background: radial-gradient(80% 50% at 50% -10%, rgba(230, 115, 0, .16), rgba(230, 115, 0, 0) 70%);
}
.links-col { max-width: 440px; margin: 0 auto; padding: 0 var(--gutter); text-align: center; }
.links-col .wm { width: min(100%, 300px); height: auto; margin: 0 auto 22px; overflow: visible; }
.links-col h1 { font-size: 1.5rem; font-stretch: 125%; line-height: 1.15; }
.links-col .sub { color: var(--ink-78); margin: 10px 0 28px; }
.link-list { list-style: none; display: grid; gap: 12px; }
.link-list .btn { width: 100%; min-height: 56px; font-size: 1.0625rem; }
.social { list-style: none; display: flex; gap: 10px; flex-wrap: wrap; }
.social a {
  display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 14px;
  border: 1px solid var(--ink-24); border-radius: 999px; text-decoration: none; font-size: .9375rem; font-weight: 600;
}
.social a:hover { border-color: var(--paper); }
.social svg { width: 16px; height: 16px; fill: currentColor; }

/* Footer */
.site-footer { border-top: 1px solid var(--ink-14); padding: 40px 0 48px; font-size: .9375rem; color: var(--ink-78); }
.footer-top { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 20px; margin-bottom: 22px; }
.footer-top img { width: 150px; height: auto; }
.footer-top p { margin: 0; color: var(--ink-62); }
.footer-notes { list-style: none; display: grid; gap: 6px; margin-bottom: 24px; color: var(--paper); }
.footer-notes a { font-weight: 700; }
.footer-grid { display: grid; gap: 20px; align-items: start; }
@media (min-width: 768px) { .footer-grid { grid-template-columns: 1fr auto; } }
.footer-nav ul { list-style: none; display: flex; flex-wrap: wrap; gap: 4px 20px; }
.footer-nav a { display: inline-block; padding: 8px 0; text-decoration: none; color: var(--ink-78); }
.footer-nav a:hover { color: var(--paper); }
.footer-contact { margin: 6px 0 0; }
.footer-legal { margin: 24px 0 0; color: var(--ink-62); font-size: .8125rem; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}