/* Acadence marketing page. Foolscap and red pen: ruled paper, ballpoint ink, a tutor's marks. */
:root {
  --desk: #F1F4F8;
  --paper: #FFFFFF;
  --rule: #D3E2F1;
  --margin: #EE9AA0;
  --ink: #1C2B55;
  --graphite: #566076;
  --pen: #C62534;
  --night: #0E1116;
  --night-line: #2A3242;
  --night-text: #E7ECF5;
  --sky: #8AB4FF;
  --hl: #FFE45C;

  --f-display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --f-body: "Atkinson Hyperlegible Next", "Segoe UI", system-ui, sans-serif;
  --f-hand: "Kalam", "Segoe Print", cursive;

  --line: 34px; /* foolscap rule spacing on the script */
  --gutter: 16px;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--desk);
  color: var(--ink);
  font: 400 1.0625rem/1.6 var(--f-body);
}
h1, h2, h3 { font-family: var(--f-display); line-height: 1.08; letter-spacing: -0.02em; margin: 0; }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.75rem); font-weight: 700; }
h3 { font-size: 1.3rem; font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0; }
a { color: inherit; }
ul { margin: 0; padding: 0; list-style: none; }

.wrap { width: min(1160px, 100% - 2 * var(--gutter)); margin-inline: auto; }
:focus-visible { outline: 3px solid var(--pen); outline-offset: 3px; border-radius: 4px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--paper); padding: 8px 12px; z-index: 10; }
.skip:focus { left: 8px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 22px; border-radius: 10px;
  font: 700 1rem/1 var(--f-body); text-decoration: none; cursor: pointer;
  border: 2px solid transparent; transition: transform .15s ease, background-color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-small { min-height: 40px; padding: 0 16px; font-size: .95rem; }
.btn-ink { background: var(--ink); color: #fff; }
.btn-ink:hover { background: #26386b; }
.btn-line { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-pen { background: var(--pen); color: #fff; width: 100%; }
.btn-pen:disabled { background: #d9dde5; color: #7b8396; cursor: not-allowed; transform: none; }
.btn-paper { background: var(--paper); color: var(--night); }
.linkish { background: none; border: 0; padding: 6px 0; font: inherit; font-size: .95rem; color: var(--graphite); text-decoration: underline; cursor: pointer; }

/* Header */
.top { position: sticky; top: 0; z-index: 5; background: rgb(241 244 248 / .92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--rule); }
.top-row { display: flex; align-items: center; gap: 24px; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font: 800 1.35rem/1 var(--f-display); letter-spacing: -0.02em; text-decoration: none; }
.brand-mark { width: 30px; height: 30px; }
.top nav { margin-left: auto; }
.top nav ul { display: flex; gap: 22px; }
.top nav a { text-decoration: none; color: var(--graphite); font-size: .98rem; }
.top nav a:hover { color: var(--ink); }

/* Hero */
.hero { display: grid; grid-template-columns: 5fr 7fr; gap: 56px; align-items: center; padding-block: 72px 88px; }
.kicker { font-size: .9rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--pen); margin-bottom: 18px; }
.hero h1 { font-size: clamp(2.5rem, 5vw, 4.25rem); font-weight: 800; }
.hero h1 mark {
  color: inherit; padding: 0 .08em;
  background: linear-gradient(100deg, transparent 0 1%, var(--hl) 2% 97%, transparent 98%) 0 62% / 100% 55% no-repeat;
  -webkit-box-decoration-break: clone; box-decoration-break: clone;
}
.lede { margin-top: 22px; font-size: 1.15rem; color: var(--graphite); max-width: 34em; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }

/* The script: the page's signature */
.script { margin: 0; }
.sheet {
  position: relative; display: grid; grid-template-columns: 44px 1fr 220px;
  background:
    repeating-linear-gradient(to bottom, transparent 0 calc(var(--line) - 1px), var(--rule) calc(var(--line) - 1px) var(--line)) 0 18px / 100% 100%,
    var(--paper);
  border-radius: 6px; box-shadow: 0 1px 0 #e3e8ef, 0 18px 40px -18px rgb(28 43 85 / .35);
  transform: rotate(-.6deg); padding: 18px 20px 24px 0; line-height: var(--line);
}
.sheet::before { content: ""; position: absolute; top: 0; bottom: 0; left: 44px; border-left: 2px solid var(--margin); }
.sheet-margin { grid-row: 1; font: 700 1.1rem/var(--line) var(--f-body); text-align: center; color: var(--ink); }
.q { grid-column: 2 / 4; padding-left: 16px; font-size: 1rem; line-height: var(--line); }
.working { grid-column: 2; padding-left: 16px; min-width: 0; }
.proposals { grid-column: 3; }
.q-marks { white-space: nowrap; font-weight: 700; }
.total { display: inline-block; min-width: 1ch; text-align: center; transition: color .2s; }
.working { margin-top: var(--line); }
.hand { position: relative; font: 400 1.6rem/var(--line) var(--f-hand); color: #23409a; white-space: nowrap; }
.smudge { filter: blur(.7px); opacity: .8; }
.ev { outline: 2px dashed var(--sky); outline-offset: 2px; border-radius: 4px; transition: outline-color .3s; }
.ev-flag { outline-color: #e2a300; }

.tick, .cross { position: absolute; top: 2px; width: 34px; height: 28px; margin-left: 12px; fill: none; stroke: var(--pen); stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; }
.tick path, .cross path { stroke-dasharray: 60; stroke-dashoffset: 60; }
.cross { width: 24px; height: 24px; top: 5px; }

.proposals { display: flex; flex-direction: column; gap: 10px; padding-left: 12px; line-height: 1.4; }
.prop { background: #F5F8FC; border: 1px solid var(--rule); border-left: 4px solid var(--sky); border-radius: 8px; padding: 10px 12px; font-size: .9rem; }
.prop-flag { border-left-color: #e2a300; }
.prop-head b { font-family: var(--f-display); font-size: 1.05rem; margin-right: 6px; }
.prop-state { color: var(--graphite); }
.prop-why { margin-top: 4px; }
.prop-actions { display: flex; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.chip { font: 700 .85rem/1 var(--f-body); padding: 8px 10px; min-height: 34px; border-radius: 999px; border: 1.5px solid var(--ink); background: var(--paper); color: var(--ink); cursor: pointer; }
.chip[aria-pressed="true"] { background: var(--ink); color: #fff; }

.script figcaption { margin-top: 18px; font-size: .95rem; color: var(--graphite); text-align: center; }

/* Script states, set by site.js */
.script.a1-accept .line-a1 .tick path,
.script.approved .line-m1 .tick path { stroke-dashoffset: 0; }
.script.a1-reject .line-a1 .cross path { stroke-dashoffset: 0; }
.script.approved .ev { outline-color: transparent; }
.script.approved .total { color: var(--pen); font-family: var(--f-hand); font-size: 1.3em; border: 2px solid var(--pen); border-radius: 50%; padding: 0 .35em; }
.script.approved .prop-actions { display: none; }
.tick path, .cross path { transition: stroke-dashoffset .45s ease-out; }
.script.approved .line-m1 .tick path { transition-delay: .1s; }

/* How a worksheet moves: numbers sit left of the red margin, as on foolscap */
.how { background: var(--paper); border-block: 1px solid var(--rule); padding-block: 80px; }
.steps { list-style: none; margin: 40px 0 0; padding: 0; counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); column-gap: 28px; border-top: 1px solid var(--rule); }
.steps li { counter-increment: step; position: relative; padding: 28px 24px 8px 64px; }
.steps li::before {
  content: counter(step); position: absolute; left: 0; top: 22px; width: 44px; text-align: center;
  font: 400 2rem/1 var(--f-hand); color: var(--pen);
}
.steps li::after { content: ""; position: absolute; left: 50px; top: 0; bottom: 0; border-left: 2px solid var(--margin); }
.steps h3 { margin-bottom: 10px; }
.steps p { color: var(--graphite); font-size: 1rem; }

/* Features */
.features { padding-block: 88px 40px; }
.roles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 40px; }
.role h3 { padding-bottom: 12px; border-bottom: 2px solid var(--ink); }
.role li { padding-block: 14px; border-bottom: 1px solid var(--rule); color: var(--graphite); }
.role li b { color: var(--ink); display: block; }

/* AI: does / doesn't */
.ai { padding-block: 56px 88px; }
.ai-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 32px; }
.ai-cols h3 { margin-bottom: 8px; }
.ticks li, .crosses li { position: relative; padding: 12px 0 12px 36px; border-bottom: 1px solid var(--rule); }
.ticks li::before, .crosses li::before { position: absolute; left: 4px; top: 8px; font: 400 1.4rem/1.2 var(--f-hand); color: var(--pen); }
.ticks li::before { content: "✓"; }
.crosses li::before { content: "✗"; color: var(--graphite); }

/* Founding centres */
.founding { background: var(--paper); border-block: 1px solid var(--rule); padding-block: 48px; }
.founding h2 { color: var(--pen); }
.founding-row { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.founding p { margin-top: 10px; max-width: 44em; }
.founding .btn { flex-shrink: 0; }

/* Plans, on the app's own night colour */
.plans { background: var(--night); color: var(--night-text); padding-block: 88px; }
.plans-lede { margin-top: 12px; color: #aab3c5; }
.plan-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 420px)); gap: 24px; margin-top: 36px; }
.plan { border: 1px solid var(--night-line); border-radius: 14px; padding: 28px; display: flex; flex-direction: column; }
.plan h3 { font-size: 1.7rem; color: #fff; }
.plan-for { margin-top: 6px; color: #aab3c5; }
.plan ul { margin: 20px 0 28px; flex: 1; }
.plan li { padding: 10px 0 10px 26px; border-bottom: 1px solid var(--night-line); position: relative; }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--sky); font-weight: 700; }

/* FAQ */
.faq { padding-block: 88px; max-width: 820px; }
.faq h2 { margin-bottom: 24px; }
details { border-bottom: 1px solid var(--rule); }
summary { cursor: pointer; padding: 18px 36px 18px 0; font: 700 1.1rem/1.35 var(--f-body); position: relative; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 4px; top: 14px; font: 400 1.6rem/1 var(--f-display); color: var(--pen); }
details[open] summary::after { content: "−"; }
details p { padding-bottom: 20px; color: var(--graphite); }

/* Footer */
.foot { background: var(--ink); color: #fff; padding-block: 64px 40px; text-align: center; }
.foot-ask { font: 700 clamp(1.4rem, 2.6vw, 2rem)/1.2 var(--f-display); }
.foot-num { display: inline-block; margin-top: 18px; font: 800 clamp(1.6rem, 4.4vw, 2.8rem)/1.1 var(--f-display); text-decoration-color: var(--pen); text-underline-offset: 8px; text-decoration-thickness: 3px; }
.foot-small { margin-top: 36px; font-size: .9rem; color: #b8c2d9; }

/* Narrower screens */
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; gap: 48px; padding-block: 48px 64px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .roles { grid-template-columns: 1fr; gap: 32px; }
  .top nav { display: none; }
  .top .btn { margin-left: auto; }
}
@media (max-width: 640px) {
  .sheet { grid-template-columns: 36px 1fr; transform: none; padding-right: 14px; }
  .sheet::before { left: 36px; }
  .q { grid-column: 2; }
  .proposals { grid-column: 2; padding: 18px 0 0 16px; }
  .steps { grid-template-columns: 1fr; }
  .ai-cols { grid-template-columns: 1fr; }
  .founding-row { flex-direction: column; align-items: flex-start; }
  .plan-grid { grid-template-columns: 1fr; }
  .foot-num { word-break: break-word; }
}

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